US Pat. No. 9,918,357

FIXING MEMBER, COOKING RANGE AND OVEN WITH THE SAME

GUANGDONG MIDEA KITCHEN A...

1. A fixing member, comprising:
a base plate defining a mounting hole;
a connecting plate comprising a first plate segment connected at a first side of the base plate, a second plate segment, and
a third plate segment substantially parallel to the base plate, the second plate segment being connected between the first
and third plate segments; and

a fixing plate defining a first end connected at a second side of the base plate and perpendicular to the base plate, and
a second end having a snapping tongue bent and extended in a direction away from the connecting plate, a vertical distance
between a free end of the snapping tongue and the base plate being equal to or smaller than that between the third plate segment
and the base plate;

wherein a notch is formed at a free end of the third plate segment at a position corresponding to the snapping tongue.

US Pat. No. 9,918,358

MICROWAVE COOKING DEVICE

GUANGDONG MIDEA KITCHEN A...

1. A microwave oven, comprising:
a shell defining a cooling air inlet and a cooling air outlet therein;
a compartment defining a cavity, nested in the shell and defining an open front end, a receiving space being defined between
a rear plate of the compartment and a rear plate of the shell, an air intake duct being formed between a side plate of the
shell and a side plate of the compartment and communicated with the cooling air inlet;

a first electric member and a second electric member disposed in the receiving space respectively; and
a fan disposed in the receiving space, defining a first air inlet, a second air inlet opposite to the first air inlet, a first
air outlet communicated with the first air inlet to define a first air blowing channel, and a second air outlet communicated
with the second air inlet to define a second air blowing channel, the first air blowing channel being disposed independently
of the second air blowing channel, the fan being configured to cool the first electric member via the first air blowing channel
and to cool the second electric member via the second air blowing channel;

a compartment air inlet formed in the rear plate of the compartment, a compartment air outlet formed in the compartment, and
wherein the microwave oven further comprises a front air guiding plate defining an end adjacent to and opposite to the first
air outlet, and extending in a direction away from the first air outlet, a first air duct is formed between the front air
guiding plate and the rear plate of the compartment and communicated with the compartment air inlet, and a second air duct
is formed behind the front air guiding plate and opposite to the first electric member.

US Pat. No. 10,085,309

DRAWER-TYPE MICROWAVE OVEN

GUANGDONG MIDEA KITCHEN A...

1. A drawer-type microwave oven, comprising:an oven body, defining an oven cavity therein, and provided with a first microswitch, a second microswitch and a locking engagement component thereon;
a drawer, connected to the oven body, disposed in the oven cavity and between a closed position and an opened position in a push-pull way, provided with a door at an end of the drawer for driving the door to open or close the oven cavity, and provided with a locking component rested against the first microswitch removably and a limiting component rested against the second microswitch removably, the locking component being arranged on an inner wall of the door, and the locking engagement component being arranged in a front of the oven cavity, the locking component engaging with the locking engagement component to lock the door;
a drawer driving device, connected to the drawer; and
a controller, electrically connected to the drawer driving device, the first microswitch and the second microswitch respectively, and configured to control the drawer driving device to drive the drawer to be pushed into or pulled out of the oven cavity by monitoring state changes of the first microswitch and the second microswitch.

US Pat. No. 10,257,891

MICROWAVE OVEN

GUANGDONG MIDEA KITCHEN A...

1. A microwave oven comprising:a housing having a receiving chamber therein, a left air inlet and a right air inlet being provided at a bottom portion of the housing and an air outlet being provided in the housing;
an inner case provided in said receiving chamber, a left air channel being formed between a left side wall of said receiving chamber and a left side of said inner case and being in communication with said left air inlet and said air outlet of the housing, a right air channel being formed between a right side wall of said receiving chamber and a right side of said inner case and being in communication with said right air inlet and said air outlet of the housing; and
a left fan and a right fan, said left fan being provided in the left air channel and said right fan being provided in the right air channel, the left fan and the right fan each including a front impeller, a rear impeller and a driving motor, wherein at least one of the front impeller and the rear impeller is adjacent to at least one of a front wall and a rear wall of said receiving chamber which is corresponding thereto, said at least one of the front impeller and the rear impeller is spaced from the driving motor at a predetermined distance,
wherein the left fan is configured so that air entering from the left air inlet passes over the driving motor of the left fan, and the right fan is configured so that air entering from the right air inlet passes over the driving motor of the right fan.

US Pat. No. 10,149,352

MICROWAVE OVEN

GUANGDONG MIDEA KITCHEN A...

1. A microwave oven, comprising:an outer housing defining an accommodating chamber therein and having a first cooling air inlet and a first cooling air outlet therein;
an inner housing disposed within the accommodating chamber and defining a heating chamber therein, the heating chamber having a second cooling air inlet and a second cooling air outlet communicated with the first cooling air outlet, the second cooling air inlet and the second cooling air outlet being formed in the top wall of the heating chamber, a cooling air passage being defined between an upper surface of the inner housing and a top wall of the accommodating chamber and communicated with the second cooling air inlet;
a cooling fan having an air inlet communicated with the first cooling air inlet via an air inlet passage and an air outlet communicated with the cooling air passage, and the cooling fan being positioned between the upper surface of the inner housing and the top wall of the accommodating chamber; and
an electrical component disposed within the cooling air passage,
wherein the air inlet passage includes an air inlet section extended in a front-rear direction and a receiving section extended in a left-right direction, a front end of the air inlet section is communicated with the first cooling air inlet and a rear end of the air inlet section is communicated with a right end of the receiving section, and the cooling fan is disposed within the receiving section which is communicated with the cooling air passage,
wherein the microwave oven further comprises:
a side plate disposed on the upper surface of the inner housing and defining an accommodating space with a front wall of the accommodating chamber, the first cooling air inlet and outlet being formed in the front wall of the accommodating chamber;
a first plate disposed within the accommodating space and defining an air outlet passage with the side plate and the front wall of the accommodating chamber, the first cooling air outlet and the second cooling air outlet being communicated with each other via the air outlet passage; and
a second plate disposed within the accommodating space, the second plate defining one of the cooling air passage and the air inlet passage with the first plate and the front wall of the accommodating chamber, and the second plate defining the other of the cooling air passage and the air inlet passage with the side plate and the front wall of the accommodating chamber.

US Pat. No. 10,257,889

HIGH-FREQUENCY HEATING DEVICE AND METHOD AND APPARATUS FOR CONTROLLING POWER SUPPLY OF THE SAME

MIDEA GROUP CO., LTD., F...

1. A method for controlling a power supply of a high-frequency heating device, comprising:controlling a switching element of the high-frequency heating device to operate according to a control signal with a preset duty ratio;
detecting a real-time current flowing through the switching element; and
if the real-time current is greater than or equal to a preset current reference value, controlling the switching element to turn off, and controlling the switching element to turn on when a next turn-on window of the control signal comes and the real-time current is less than the preset current reference value;
if the real-time current is less than the preset current reference value, keeping the switching element turning on, controlling the switching element to turn off when a present turn-on window of the control signal ends, and controlling the switching element to turn on when the next turn-on window of the control signal comes and the real-time current is less than the preset current reference value.

US Pat. No. 10,194,494

MICROWAVE COOKING DEVICE

MIDEA GROUP CO., LTD., F...

1. A microwave cooking device, comprising:a shell defining an air inlet and an air outlet therein;
a filter screen disposed at the air outlet; and
a ventilation grid assembly comprising:
a body defining a through hole therein and disposed on an outer surface of the shell, the through hole being opposite to the filter screen;
a cover plate disposed on the body and moveable between an open position where the through hole is opened by the cover plate and a closed position where the through hole is closed by the cover plate, wherein the cover plate defines a positioning hole and a snapping groove therein;
a first support disposed at a bottom wall of the through hole;
a positioning column defining a first end disposed on the first support and a second end which is a free end and is fitted within the positioning hole, the cover plate being rotatable relative to the second end of the positioning column;
a second support and a third support disposed at the bottom wall of the through hole and spaced apart from each other; and
a positioning pin defining a first end disposed on the second support and a second end disposed on the third support, and snap-fitted within the snapping groove, the cover plate being rotatable relative to the positioning pin.

US Pat. No. 10,337,731

BOTTOM CUP COVER, BURNER AND GAS APPLIANCE

GUANGDONG MIDEA KITCHEN A...

1. A bottom cup cover used in a burner, comprising:a gas intake assembly provided with a first gas intake channel, a connecting channel and a second gas intake channel, the connecting channel connecting the first gas intake channel to the second gas intake channel, the second gas intake channel being obliquely arranged relative to the first gas intake channel, and the first gas intake channel having a gas inlet;
a first primary air supplement cavity and a second primary air supplement cavity being defined in the bottom cup cover, the first primary air supplement cavity being separated from the second primary air supplement cavity, the first gas intake channel being in communication with the first primary air supplement cavity, the second gas intake channel being in communication with the second primary air supplement cavity, and the connecting channel being configured to gas flow to circulate between the first primary air supplement cavity and the second primary air supplement cavity;
a first supplement part, a first mixing part and a second supplement part;
the gas intake assembly comprising a first gas intake part, a second gas intake part and a connecting part, the connecting part connecting the first gas intake part and the second gas intake part;
the first gas intake part, the first supplement part and the first mixing part being connected sequentially, the second supplement part being connected to the first mixing part from above, the second gas intake part penetrating the first supplement part and the second supplement part, and the connecting part being arranged at an outer side wall of the first supplement part; and
the first supplement part defining the first primary air supplement cavity, the second supplement part defining the second primary air supplement cavity, the first mixing part defining a first groove in communication with the first primary air supplement cavity, the first gas intake part defining the first gas intake channel, the second gas intake part defining the second gas intake channel, and the connecting part defining the connecting channel.

US Pat. No. 10,397,990

MICROWAVE OVEN AND THAWING CONTROL METHOD AND DEVICE FOR THE SAME

GUANGDONG MIDEA KITCHEN A...

1. A thawing control method for a microwave oven, wherein the microwave oven comprises a microwave generator, the method comprises:detecting temperatures of a plurality of temperature detecting points on food in the microwave oven;
controlling the microwave generator to start, and thawing the food according to the temperatures of the plurality of temperature detecting points on the food;
wherein thawing the food according to the temperatures of the plurality of temperature detecting points on the food comprises:
thawing the food according to the temperatures of the plurality of temperature detecting points on the food, to maintain the temperature of the food between ?3° C.-0° C.;
wherein the temperatures of the plurality of temperature detecting points on the food are detected by an infrared temperature sensor disposed in the microwave oven, the infrared temperature sensor comprises M infrared temperature sensing probes, and the temperatures of the plurality of temperature detecting points on the food are detected by N infrared temperature sensing probes, where N and M are positive integers, and N is less than or equal to M;
wherein thawing the food according to the temperatures of the plurality of temperature detecting points on the food, to maintain the temperature of the food between ?3° C.-0° C. comprises:
thawing the food with a first firepower level, wherein the first firepower level is 30%-60% of a maximum firepower;
when 30% of the temperature detection values of the N infrared temperature sensing probes are larger than ?4° C., thawing the food with a second firepower level, wherein the second firepower level is 20%-40% of the maximum firepower;
when 60% of the temperature detection values of the N infrared temperature sensing probes are larger than ?4° C., thawing the food with a third firepower level, wherein the third firepower level is 30%-60% of the maximum firepower;
when 30% of the temperature detection values of the N infrared temperature sensing probes are between ?3° C.-0° C., thawing the food with a fourth firepower level, wherein the fourth firepower level is 0%-30% of the maximum firepower; and
when 80% of the temperature detection values of the N infrared temperature sensing probes are between ?3° C.-0° C., stopping thawing the food.

US Pat. No. 10,499,464

COOKING APPLIANCE

GUANGDONG MIDEA KITCHEN A...

1. A cooking appliance comprising:a base;
an oven door configured to articulate relative to the base between a first position that is closer to the base and a second position that is further from the base,
wherein an upper surface of the base, a lower surface of the oven door or both are configured to, in the first position, define an accommodating cavity for accommodating food;
an upper heating tube installed in the oven door and a lower heating tube installed in the base, wherein the upper heating tube and the lower heating tube are configured to generate heat for heating the accommodating cavity;
a first magnetron, a second magnetron, a first high voltage transformer and a second high voltage transformer installed in the base and configured to deliver microwave to the accommodating cavity; and
an air-cooled radiator installed in the base,
wherein the air-cooled radiator defines a first air outlet and a second air outlet,
wherein the first magnetron is arranged close to the first high voltage transformer such that one part of air blown out of the first air outlet flows through the first magnetron, and another part of the air blown out of the first air outlet flows through the first high voltage transformer, and
wherein the second magnetron is arranged close to the second high voltage transformer such that one part of air blown out of the second air outlet flows through the second magnetron and another part of the air blown out of the second air outlet flows through the second high voltage transformer.

US Pat. No. 10,462,857

MICROWAVE HEATING DEVICE

GUANGDONG MIDEA KITCHEN A...

1. A microwave heating device, comprising:an oven body defining a microwave heating chamber therein and provided with a door opening detection switch and a door closing detection switch;
a drawer door provided with a door opening touch configuration and a door closing touch configuration, installed on the oven body and movable between an open position in which the microwave heating chamber is opened and a closed position in which the microwave heating chamber is closed, wherein when the drawer door is in the open position, the door opening touch configuration touches the door opening detection switch and the door closing touch configuration releases the door closing detection switch; when the drawer door is in the closed position, the door closing touch configuration touches the door closing detection switch and the door opening touch configuration releases the door opening detection switch;
a driving device configured to drive the drawer door to move between the open position and the closed position, installed on one of the oven body and the drawer door and connected with the other one of the oven body and the drawer door in a drive way; and
a controller configured to communicate with the door opening detection switch, the door closing detection switch and the driving device,
wherein the door closing detection switch comprises a monitoring switch and a first primary switch disposed at a left side of the oven body, and a secondary switch and a second primary switch disposed at a right side of the oven body,
wherein the door closing touch configuration comprises left door closing touch configuration disposed at a left side of the drawer door and right door closing touch configuration disposed at a right side of the drawer door,
wherein when the drawer door is in the closed position, the left door closing touch configuration touches the monitoring switch followed by the first primary switch, and concomitantly, the right door closing touch configuration touches the secondary switch followed by the second primary switch, thereby sending feedback signal from the door closing detection switch to the controller, and wherein the controller receives the feedback signal that the drawer door is closed in place and communicates with the driving device to stop working,
wherein when the drawer door is in the open position, the left door closing touch configuration releases the monitoring switch followed by the first primary switch, and concomitantly, the right door closing touch configuration releases the secondary switch followed by the second primary switch, until the door opening touch configuration touches the door opening detection switch thereby sending feedback signal from the door opening detection switch to the controller, and wherein the controller receives the feedback signal that the drawer door is opened in place and communicates with the driving device to stop working,
wherein a guiding rail is disposed on the oven body, a guiding rail connection plate is disposed on the drawer door, and the guiding rail connection plate is movably fitted with the guiding rail;
wherein the door opening touch configuration is configured as a position limiting block disposed at the guiding rail connection plate, and the door closing touch configuration is configured as a door hook disposed at the drawer door.

US Pat. No. 10,412,787

COOKING APPLIANCE

GUANGDONG MIDEA KITCHEN A...

1. A cooking appliance comprisinga base;
an upper cover configured to articulate with the base;
a liquid retaining surface; and
a liquid container,
wherein the liquid container is detachably installed at a position on the liquid retaining surface such that a liquid flowing gravitationally downwards from the upper cover in an open position relative to the base is guided by a section of the liquid retaining surface into the liquid container.

US Pat. No. 10,502,432

KITCHEN APPLIANCE COMPRISING DRAWER

GUANGDONG MIDEA KITCHEN A...

1. A kitchen appliance with a drawer, comprising:a body having an accommodation cavity of which a front end is provided with an opening;
a drawer located in the accommodation cavity, wherein a drawer cover is fixedly attached to a front end of the drawer, and the drawer cover can drive the drawer to move relative to the body, so as to draw the drawer out of or push the drawer into the accommodation cavity; and
a position-limiting lock assembly mounted on the body and above the accommodation cavity, wherein the position-limiting lock assembly has a lock, one end of the lock being rotatably connected to the body and the other end of the lock protruding from a front opening of the body, when the other end of the lock rotates to a position in front of the drawer cover, the drawer is restrained from being pulled out of the accommodation cavity, and when the other end of the lock rotates away from the position in front of the drawer cover, the drawer can be pulled out of the accommodation cavity,
wherein:
the position-limiting lock assembly is located close to a side wall of the body, the one end of the lock is rotatably connected to the body through a rotating shaft, and the rotating shaft is arranged in the vertical direction such that the lock can rotate within a horizontal plane from the front of the drawer cover to a side of the drawer cover;
the lock is L-shaped and comprises a first connecting portion and an extending portion formed by bending extension of the first connecting portion, the first connecting portion is rotatably connected to the body through the rotating shaft, and the extending portion can rotate to a front and a side of the drawer cover; and
the front end of the body is provided with a control panel located above the drawer cover, and the first connecting portion is located between the drawer cover and the control panel and rotatably connected to a bottom surface of the control panel through the rotating shaft.

US Pat. No. 10,508,816

INTERLOCK SWITCH STRUCTURE AND MICROWAVE OVEN

GUANGDONG MIDEA KITCHEN A...

1. An interlock switch structure, comprising:a substrate;
a sliding latch;
a tactile disk member;
a door hook;
a first elastic member; and
multiple micro-switches;
wherein, the substrate is provided with a chute structure; the sliding latch is slidably matched with a chute of the chute structure, the sliding latch is provided with a sliding surface to match with the door hook;
the tactile disk member is pivotally communicated with the substrate, the micro-switches are located on a periphery of the tactile disk member, and contact points of the micro-switches are toward the tactile disk member;
the tactile disk member is provided with a seesaw to match with the door hook, a circumferential surface of the tactile disk member is provided with a rotating surface to match with the sliding latch, and a plurality of contact surfaces that are matched with the contact points;
in a process of locking the door hook, the door hook sequentially abuts the sliding latch and the seesaw such that the sliding latch is displaced, and the tactile disk member is rotated in a forward direction, and each contact surface abuts a corresponding contact point, triggering a corresponding micro-switch; and
in a process of releasing the door hook, the sliding latch is reset by the first elastic member and abuts the sliding surface such that the tactile disk member is rotated in reverse, and each contact surface leaves the corresponding contact point, resetting the corresponding micro-switch.

US Pat. No. 10,530,049

CABLE STRUCTURE, POWER CORD STRUCTURE, AND ELECTRICAL DEVICE

GUANGDONG MIDEA KITCHEN A...

1. A power cord structure, comprising:a power cord plug;
a power cord connector having a power cord interface and a data line interface; and
a cable structure having a first end and a second end, wherein the first end is connected to the power cord plug and the second end is connected to the power cord connector, the cable structure further comprising:
a power cord connecting the power cord plug to the power cord interface;
a shell arranged on the power cord;
an antenna arranged in the shell; and
a conductive wire connecting the antenna to the data line interface.

US Pat. No. 10,575,373

CONNECTION STRUCTURE AND INPUT/OUTPUT CONNECTION STRUCTURE OF SEMICONDUCTOR MICROWAVE GENERATOR FOR MICROWAVE OVEN, AND MICROWAVE OVEN

GUANGDONG MIDEA KITCHEN A...

1. A connection structure for a microwave oven, comprising:a semiconductor microwave generator, on a front face or a back face of which a microwave signal output port is provided; and
a microwave output device, wherein a first end of the microwave output device is connected to the microwave signal output port, and a second end of the microwave output device communicates with a cooking cavity of the microwave oven,
wherein the microwave output device is vertically connected to the front face or the back face of the semiconductor microwave generator such that the microwave output device extends in a direction normal to the front face or the back face of the semiconductor microwave generator;
wherein the microwave output device comprises:
a first radio frequency connector that includes a first socket that is connected to the microwave signal output port; and
a second radio frequency connector that includes a second socket that is connected to a waveguide box through a waveguide hole;
wherein a first plug of the first radio frequency connector is connected to a second plug of the second radio frequency connector; and
wherein one of the first plug and the second plug is male and the other is female.

US Pat. No. 10,531,523

MICROWAVE HEATING APPARATUS

GUANGDONG MIDEA KITCHEN A...

1. A microwave heating apparatus, comprising:a body defining a microwave heating chamber therein;
a drawer door moveably mounted on the body to open or close the microwave heating chamber;
a door switch button disposed on the body or the drawer door and configured to control the drawer door to be opened or closed;
a speed adjusting button disposed on the body or the drawer door;
a driving device coupled to the body and the drawer door, the driving device configured to drive the drawer door to move; and
a controller in communication with the door switch button, the speed adjusting button and the driving device respectively, the controller including:
a gear selection module coupled to the speed adjusting button and the driving device, the gear selection module includes a plurality of gears, each respective gear of the plurality of gears corresponding to a respective moving speed of a plurality of moving speeds of the drawer door; and
a timing module coupled to the speed adjusting button and the gear selection module, the timing module configured to detect a continuous touch time of the speed adjusting button to select one of the plurality of gears.

US Pat. No. 10,588,181

MICROWAVE OVEN AND THAWING CONTROL METHOD AND DEVICE FOR THE SAME

GUANGDONG MIDEA KITCHEN A...

1. A thawing control method for a microwave oven, wherein the microwave oven includes a microwave generator and a thawing control device, the thawing control device comprising a processor and a memory for storing instructions executable by the processor, and the method being executable by the processor comprises:acquiring a total period T of thawing according to a weight x of food in the microwave oven, wherein the total period T of thawing satisfies: T=K(x/100) seconds, where, 20 seconds/g?K?120 seconds/g; and
controlling the microwave generator to start, and thawing the food according to the total period T of thawing, the thawing the food according to the total period T of thawing includes:
thawing food with a plurality of firepower levels successively over the total period T of thawing, each firepower level of the plurality of firepower levels being between 0%˜60% of a maximum firepower.

US Pat. No. 10,588,182

SEMICONDUCTOR MICROWAVE OVEN AND SEMICONDUCTOR MICROWAVE SOURCE THEREOF

GUANGDONG MIDEA KITCHEN A...

1. A semiconductor microwave oven, comprising:a body having a chamber;
a microwave input device in communication with the chamber;
a semiconductor microwave source comprising:
a signal source configured to generate a first microwave signal,
a power divider comprising a first input end and N output ends, wherein the first input end of the power divider is connected to the signal source, wherein the power divider allocates power for the first microwave signal according to a preset proportion to generate N second microwave signals each having a same frequency,
wherein the N second microwave signals correspond to respective output ends of the power divider, and wherein N is an integer larger than or equal to two,
N drive amplifiers connected to the respective output ends of the power divider, wherein each drive amplifier is configured to conduct a drive amplification on a respective second microwave signal and to output an amplified respective second microwave signal, the N drive amplifiers each comprising:
a drive component configured to conduct a first drive amplification on the respective second microwave signal so as to generate a respective fourth microwave signal; and
an amplification component connected to the drive component, the amplification component configured to conduct a second amplification on the respective fourth microwave signal so as to generate the amplified respective second microwave signal after the first drive amplification by the drive component;
a power combiner connected to receive N amplified second microwave signals from the N drive amplifiers, the power combiner being configured to combine the N amplified second microwave signals into a single third microwave signal and to output the third microwave signal to the chamber via the microwave input device; and
a control device configured to control the signal source to generate the first microwave signal.

US Pat. No. 10,588,452

COOKING APPLIANCE

GUANGDONG MIDEA KITCHEN A...

1. A cooking appliance, comprising a base, wherein the base comprises:a top plate, a bottom plate, a left outer housing, a right outer housing, a front plate and a rear plate, which form an accommodating space for accommodating electric devices, some of the electric devices being fixed to a lower surface of the top plate, and the others being fixed to an upper surface of the bottom plate;
wherein the electric devices include a fan assembly, a microwave generating device, a high-voltage transformer and a high-voltage capacitor, the fan assembly and the microwave generating device being fixedly installed on the lower surface of the top plate, and the high-voltage transformer and the high-voltage capacitor being fixedly installed on the upper surface of the bottom plate.

US Pat. No. 10,598,387

OVEN

GUANGDONG MIDEA KITCHEN A...

1. An oven, comprising:an oven body; and
a gas circuit system and an electric circuit system, both of which are installed on the oven body; wherein the gas circuit system comprises:
a gas pipeline installed on the oven body;
a combustor installed in the oven body and being in communication with an outlet of the gas pipeline;
a control switch installed on the gas pipeline; and
an electric control valve installed on the gas pipeline and controlling connection and disconnection of the gas pipeline together with the control switch; the electric circuit system comprises:
a controller installed on the oven body, connected to the electric control valve and matched with the control switch for use, wherein when the control switch is turned on, the controller switches on the electric control valve, and when the control switch is turned off, the controller switches off the electric control valve; and
a timer installed on the oven body and connected to the controller, and when the timer times out, the timer can control the controller to switch off the electric control valve, so that the electric control valve disconnects the gas pipeline;
wherein the timer comprises a first IC chip, the first IC chip is a timing chip;
wherein the controller is a second IC chip comprising a single chip processor;
wherein the single chip processor is configured to receive and process signal from the first IC chip, and output instruction to the electric control valve to control its on-off.

US Pat. No. 10,578,316

RANGE HOOD

GUANGDONG MIDEA KITCHEN A...

1. A range hood, comprising:a hood housing, provided with a hood circulating air outlet and a hood exhaust outlet;
a volute casing, having at least a portion disposed in the hood housing, defining a volute casing air passage therein, provided with a volute casing air inlet and a volute casing exhaust outlet that is in communication with the hood exhaust outlet, and comprising a fixed housing part and a movable housing part, the movable housing part being movable between a closed position and an open position relative to the fixed housing part,
wherein:
when the movable housing part is in the closed position, the fixed housing part is fitted with the movable housing part and air in the volute casing air passage is configured to be discharged from the volute casing exhaust outlet,
when the movable housing part is in the open position, the movable housing part is positioned relative to the fixed housing part to define a volute casing circulating air outlet in communication with the hood circulating air outlet and between the movable housing part and the fixed housing part, so as to allow the air in the volute casing air passage to be discharged into a room through the volute casing circulating air outlet and the hood circulating air outlet sequentially.

US Pat. No. 10,708,985

COVER BODY COMPONENT AND MICROWAVE OVEN

GUANGDONG MIDEA KITCHEN A...

1. A cover body component, applied to a microwave oven, comprising:a cover body, wherein the cover body defines a hollow cavity with one opening end; and
at least one water storage portion used for storing water, arranged at a top of the cover body and located in the hollow cavity;
wherein the at least one water storage portion further comprises:
a water storage groove arranged on the cover body, and the water storage groove is recessed toward one side of the hollow cavity;
a vent hole arranged on a side wall of the water storage groove, and the vent hole is close to an opening of the water storage groove and is connected to the hollow cavity; and
a first seal cover configured to cover the opening of the water storage groove, wherein an internal thread structure is arranged on the side wall of the opening of the water storage groove, and an external thread structure cooperatively installed with the internal thread structure is arranged circumferentially on the first seal cover.