Split-type electric pressure cooker

Patent metadata

Field	Value
Publication number	US-11154154-B2
Application number	US-201716466285-A
Country	US
Kind code	B2
Filing date	Nov 1, 2017
Priority date	Dec 2, 2016
Publication date	Oct 26, 2021
Grant date	Oct 26, 2021

Abstract

Disclosed is a split-type electric pressure cooker. The cooker comprises a cooker body and a cooker lid, the cooker body being provided with a power supply device. The split-type electric pressure cooker further comprises: a mechanical vent valve, comprising a valve seat and a valve cover, wherein the valve seat is fixedly mounted on the cooker lid, and the valve cover can be movably mounted on the valve seat; a power transmitting device mounted on the cooker body and able to be electrically connected to the power supply device; a power receiving device mounted on the cooker lid; and a motor driving device mounted on the cooker lid and electrically connected to the power receiving device, the motor driving device being used for driving the valve cover to move so as to open or close the mechanical vent valve. With the cooperation of the power transmitting device and the power receiving device, the power transmission is realized between the cooker body and the cooker lid.

First claim

What is claimed is:

1. A split-type electric pressure cooker, comprising:
a cooker body and a cooker lid cooperating with the cooker body, wherein the cooker body includes a power supply device, wherein the split-type electric pressure cooker further comprises:
a mechanical vent valve, comprising a valve seat and a valve cover, wherein the valve seat is fixedly mounted on the cooker lid, and the valve cover is movably mounted on the valve seat;
a power transmitting device mounted on the cooker body and is able to be electrically connected to the power supply device, and the power transmitting device transmits power to a power receiving device;
the power receiving device mounted on the cooker lid;
a motor driving device, comprising a driving motor mounted on the cooker lid and electrically connected to the power receiving device, and a motor shaft of the driving motor is capable of driving the valve cover to move to open or close the mechanical vent valve; and
a venting switch and a controller mounted on the cooker body, the controller is electrically connected with the power supply device, the venting switch and the power transmitting device, and the venting switch is configured to send a trigger signal to the controller, so that the controller transmits power to the power transmitting device according to the trigger signal;
wherein, when the cooker lid is engaged with the cooker body, the power transmitting device cooperates with the power receiving device to realize power transmission; when the cooker lid is opened, the power transmitting device is separated from the power receiving device;
wherein the driving motor is a DC motor, the power receiving device comprises a first control plate, and the first control plate is electrically connected to the DC motor for transmitting direct current to the DC motor, and controlling the direction of rotation of the DC motor by controlling the direction of the direct current, to open or close the mechanical vent valve;
wherein the controller or the first control plate is further configured to control a position of the valve cover by controlling the power supply duration of the DC motor, and is configured to control an opening degree of the mechanical vent valve.

2. The split-type electric pressure cooker of claim 1 , wherein, the motor driving device further comprises:
a transmission assembly movably mounted on the cooker lid, and the transmission assembly cooperates with the motor shaft and the valve cover, the driving motor is capable of driving the valve cover to move through the transmission assembly, to open or close the mechanical vent valve.

3. The split-type electric pressure cooker of claim 2 , wherein, the transmission assembly comprises:
a transmission gear fixedly connected to the motor shaft;
a rotating rod, which is rotably connected to the cooker lid by a rotating shaft, a first end of the rotating rod is provided with an arc surface, the rotating shaft is located at the center of the arc surface, the arc surface is provided with a tooth, and the tooth is engaged with the transmission gear, and a second end of the rotating rod cooperates with the valve cover and may drive the valve cover to move.

4. The split-type electric pressure cooker of claim 2 , wherein, the transmission assembly comprises:
a transmission gear fixedly connected to the motor shaft;
a rack, which is slidably mounted on the cooker lid, the first end of the rack is engaged with the transmission gear, and the second end of the rack cooperates with the valve cover and may drive the valve cover to move.

5. The split-type electric pressure cooker of claim 2 , wherein,
a transmission gear fixedly connected to the motor shaft;
a rack slidably mounted on the cooker lid and being engaged with the transmission gear;
a transmission lever whose middle portion is rotably connected to the cooker lid, the both ends of the transmission lever cooperate with the rack and the valve cover respectively, wherein the transmission lever is configured to drive the valve cover to move under the driving of the rack.

6. The split-type electric pressure cooker of claim 1 , wherein,
the power transmitting device comprises a first flat coil, the power supply device is configured to transmit alternating current to the first flat coil, and the power receiving device comprises a second flat coil;
wherein, when the cooker lid is engaged with the cooker body, the first flat coil is opposite to the second flat coil.

7. The split-type electric pressure cooker of claim 6 , wherein,
the power receiving device further comprises a rectifying device, the second flat coil is electrically connected to the first control plate through the rectifying device, and the rectifying device converts alternating current transmitted by the second flat coil into direct current and transmit the direct current to the first control plate.

8. The split-type electric pressure cooker of claim 7 , wherein,
the rectifying device is a rectifying circuit disposed on the first control plate.

9. The split-type electric pressure cooker of claim 6 , wherein,
the power transmitting device further comprises a second control plate, the second control plate is disposed adjacent to the first flat coil or the first cylindrical coil in the power transmitting device, and the second control plate is electrically connected to the first flat coil or the first cylindrical coil and the power supply device.

10. The split-type electric pressure cooker of claim 1 , wherein,
the power transmitting device comprises a first cylindrical coil, the power supply device is configured to supply alternating current to the first cylindrical coil, and the power receiving device comprises a second cylindrical coil, and the inner diameter of the first cylindrical coil is not equal to that of the second cylindrical coil;
wherein, when the cooker lid is engaged with the cooker body, one of the first cylindrical coil and the second cylindrical coil extends into the other.

11. The split-type electric pressure cooker of claim 10 , wherein,
the power receiving device further comprises a rectifying device, the second cylindrical coil is electrically connected to the first control plate through the rectifying device, and the rectifying device converts alternating current transmitted by the second cylindrical coil into direct current and transmit the direct current to the first control plate.

12. The split-type electric pressure cooker of claim 11 , wherein,
the rectifying device is a rectifying circuit disposed on the first control plate.

13. The split-type electric pressure cooker of claim 10 , wherein,
the power transmitting device further comprises a second control plate, the second control plate is disposed adjacent to the first flat coil or the first cylindrical coil in the power transmitting device, and the second control plate is electrically connected to the first flat coil or the first cylindrical coil and the power supply device.

14. The split-type electric pressure cooker of claim 1 , wherein,
one of the power transmitting device and the power receiving device comprises a power socket, and the other comprises a power plug, and when the cooker lid is engaged with the cooker body, the power plug cooperates with the power socket.

15. The split-type electric pressure cooker of claim 14 , wherein,
the power receiving device further comprises a rectifying device, and the power socket or the power plug in the power receiving device is electrically connected to the DC motor through the rectifying device, the rectifying device is configured to convert altern

Assignees

• Foshan Shunde Midea Electrical Heating Appliances Mfg Co Ltd

Inventors

• Peng Feng
• Yang Xingguo
• Mo Rongkang

Classifications

• A47J27/09 Primary

  Safety devices · CPC title

• A23L7/1975

  Cooking or roasting · CPC title

• A47J36/00

  Parts, details or accessories of cooking-vessels (A47J27/00 - A47J33/00 take precedence insofar as these parts, details or accessories are restricted to a particular kind of cooking-vessel provided for in a single one of these groups) · CPC title

• A47J2027/043

  for cooking food in steam · CPC title

• A47J27/0802 Primary

  Control mechanisms for pressure-cookers · CPC title