CN211212606U

CN211212606U - Pressure cooker cover assembly and electric pressure cooker

Info

Publication number: CN211212606U
Application number: CN201921732892.9U
Authority: CN
Inventors: 于博; 王训; 刘怀灿; 张鹏娥; 赵万东; 段智伟
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-08-11
Anticipated expiration: 2029-10-15

Abstract

The utility model relates to a pressure pot cover subassembly and electric pressure cooker, pressure pot cover subassembly include pot cover body and thermoelectric refrigeration piece, and the pot cover body is used for the lid to establish on pot body opening, is equipped with the installation cavity in the pot cover body, and thermoelectric refrigeration piece is installed in the installation cavity, and the wall that is close to pot body opening in the pot cover body is the diapire, and the cold junction and the diapire contact of thermoelectric refrigeration piece are equipped with inlet port and exhaust hole on the pot cover body, and inlet port and exhaust hole all link up to the installation cavity from the pot cover body outward. When the pressure is rapidly released, the cold end of the thermoelectric refrigerating piece can absorb heat through the bottom wall of the pot cover body, and then the air entering from the air inlet hole can take away the heat at the hot end of the thermoelectric refrigerating piece and flows out from the air outlet hole. In the whole rapid pressure relief process, the heat absorption and heat dissipation functions of the thermoelectric refrigerating sheet are directly utilized, no liquid flows in a cooling water system, and no extra noise is generated.

Description

Pressure cooker cover assembly and electric pressure cooker

Technical Field

The utility model relates to the field of household appliances, in particular to a pressure cooker cover assembly and an electric pressure cooker.

Background

The electric pressure cooker quickly realizes cooking of food by providing a high-temperature and high-pressure environment. Has the advantages of short cooking time, good food cooking taste and the like, and is widely used. However, after cooking under high temperature and high pressure, the cover can be opened only after the pressure in the electric pressure cooker is released. The time required for uncovering by natural cooling is long, and the user experience is influenced. Therefore, the exhaust valve and the cooling water system are generally adopted to realize rapid temperature reduction and pressure relief, and the above pressure relief process has the problem of noise.

SUMMERY OF THE UTILITY MODEL

Therefore, a pressure cooker cover assembly and an electric pressure cooker are needed, which can realize quick pressure relief and simultaneously can not generate extra noise.

The utility model provides a pressure cooker lid subassembly, includes pot cover body and thermoelectric refrigeration piece, the pot cover body is used for the lid to establish on pot body opening, be equipped with the installation cavity in the pot cover body, thermoelectric refrigeration piece is installed in the installation cavity, be close to in the pot cover body pot body open-ended wall is the diapire, the cold junction of thermoelectric refrigeration piece with the diapire contacts, be equipped with inlet port and exhaust hole on the pot cover body, the inlet port with the exhaust hole is all followed the pot cover body link up extremely outward the installation cavity.

Above-mentioned scheme provides a pressure cooker lid subassembly, and the lid is established the pot cover body on the pot body opening and can provides high temperature high pressure environment of cooking for the pot body. When the pressure needs to be quickly released, the cold end of the thermoelectric refrigerating piece can absorb heat through the bottom wall of the pot cover body, and then the air entering from the air inlet hole can take away the heat at the hot end of the thermoelectric refrigerating piece and flows out of the air outlet hole. In the whole rapid pressure relief process, the heat absorption and heat dissipation functions of the thermoelectric refrigerating sheet are directly utilized, no liquid flows in a cooling water system, and no extra noise is generated. Moreover, a certain space is reserved in the general pressure cooker cover assembly, the thermoelectric refrigerating piece is arranged in the mounting cavity of the cooker cover body in the scheme, the space utilization rate can be effectively improved, and the size of the pressure cooker cover assembly cannot be influenced.

In one embodiment, the mounting cavity is further provided with a heat dissipation plate, the heat dissipation plate is in contact with the hot end of the thermoelectric refrigeration sheet, the heat dissipation plate is located on one side, away from the bottom wall, of the thermoelectric refrigeration sheet, and the air inlet hole is located on one side, away from the bottom wall, of the heat dissipation plate.

In one embodiment, the heat dissipation plate is an aluminum alloy plate.

In one embodiment, the side surface of the heat dissipation plate away from the thermoelectric refrigeration piece is an upper side surface, and the upper side surface is provided with concave and convex heat dissipation lines.

In one embodiment, the heat dissipation lines are spiral, and the heat dissipation lines are gradually and rotationally extended outwards from the center of the heat dissipation plate.

In one embodiment, the air inlet holes are formed in the side wall of the pot cover body, the exhaust holes are formed in the top wall of the pot cover body, the air inlet holes and the exhaust holes are multiple, and the air inlet holes are circumferentially formed along the side wall of the pot cover body.

In one embodiment, the number of the thermoelectric cooling plates is multiple, and the plurality of the thermoelectric cooling plates are arranged in the installation cavity at intervals.

In one embodiment, the plurality of thermoelectric cooling fins are divided into a first group and a second group, and the first group and the second group are respectively controlled by two different switches.

An electric pressure cooker comprises the pressure cooker cover assembly.

According to the scheme, the electric pressure cooker is provided, and the pressure cooker cover assembly in any embodiment is arranged in the electric pressure cooker, so that extra noise can not be generated due to flowing of cooling water and other liquid in the process of realizing quick pressure relief.

In one embodiment, the electric pressure cooker further comprises a cooker body, the cooker cover body covers the opening of the cooker body, and the top wall of the cooker cover body is provided with a handle and an exhaust valve.

Drawings

FIG. 1 is an exploded view of the electric pressure cooker of the present embodiment;

fig. 2 is a top view of the pressure cooker cover assembly of the present embodiment;

fig. 3 is a schematic structural view of the pressure cooker cover assembly from another perspective;

fig. 4 is a schematic structural view of a pressure cooker cover assembly according to another embodiment.

Description of reference numerals:

10. a pressure cooker cover assembly; 11. a pot cover body; 111. a bottom wall; 112. a side wall; 113. a top wall; 12. a thermoelectric refrigeration chip; 13. an air inlet; 14. an exhaust hole; 15. a heat dissipation plate; 16. a handle; 17. an exhaust valve; 20. an electric pressure cooker; 21. and (4) a pot body.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

As shown in fig. 1 to 4, in one embodiment, a pressure cooker cover assembly 10 is provided, which comprises a cover body 11 and a thermoelectric cooling plate 12. As shown in fig. 1, the pot cover body 11 is used for covering the opening of the pot body 21, an installation cavity is arranged in the pot cover body 11, the thermoelectric cooling plate 12 is installed in the installation cavity, the wall of the pot cover body 11 close to the opening of the pot body 21 is a bottom wall 111, and the cold end of the thermoelectric cooling plate 12 is in contact with the bottom wall 111. As shown in fig. 2, an air inlet 13 and an air outlet 14 (the air inlet 13 and the air outlet 14 are not shown in fig. 1) are provided on the pot cover body 11, and both the air inlet 13 and the air outlet 14 penetrate from the outside of the pot cover body 11 to the installation cavity.

The pot cover body 11 covering the opening of the pot body 21 can provide a high-temperature and high-pressure cooking environment for the pot body 21. When the pressure needs to be quickly released, the cold end of the thermoelectric refrigeration piece 12 can absorb heat through the bottom wall 111 of the pot cover body 11, and then the air entering from the air inlet 13 can take away the heat at the hot end of the thermoelectric refrigeration piece 12 and flow out from the air outlet 14. In the whole rapid pressure relief process, the heat absorption and heat dissipation functions of the thermoelectric refrigerating sheet 12 are directly utilized, no liquid flows in a cooling water system, and no extra noise is generated. Moreover, the structural size of the thermoelectric refrigeration piece 12 is small, a certain space is reserved in the pressure cooker cover assembly 10, the thermoelectric refrigeration piece 12 is arranged in the installation cavity of the cooker cover body 11 in the scheme, the space utilization rate can be effectively improved, and the overall structural size of the pressure cooker cover assembly 10 cannot be greatly influenced.

And because the hot air can float upwards, therefore will thermoelectric refrigeration piece 12 sets up to the lid establishes in pot lid body 11 on pot body 21 opening, can further improve the heat dissipation pressure release effect. The thermoelectric refrigerating sheet 12 continuously distributes heat, the heat in the pot body 21 continuously floats upwards, and the pressure relief process can be quickly completed.

Furthermore, the number of the thermoelectric refrigeration pieces 12 can be multiple, and the heat dissipation efficiency is improved by using the plurality of thermoelectric refrigeration pieces 12. The plurality of thermoelectric refrigeration pieces 12 are arranged in the installation cavity at intervals, and an appropriate number of thermoelectric refrigeration pieces 12 can be selected to participate in the heat dissipation process according to the heat dissipation speed of actual needs.

For example, in one embodiment, the plurality of thermoelectric cooling fins 12 are divided into a first group and a second group, each of the first group and the second group being controlled by a different switch. Therefore, in the using process, if the heat needs to be dissipated as soon as possible and the cover is opened quickly, all the thermoelectric refrigeration sheets 12 can be conducted to participate in the heat dissipation process. If the pressure cooker cover assembly 10 is required to maintain a stewing environment for a certain time period based on cooking requirements, only one group of the pressure cooker cover assembly can be conducted, and the number of thermoelectric refrigerating fins 12 participating in a heat dissipation process is reduced.

Further, as shown in fig. 1, in an embodiment, a heat dissipation plate 15 is further disposed in the mounting cavity, the heat dissipation plate 15 is in contact with the hot end of the thermoelectric cooling plate 12, and the heat dissipation plate 15 is located on a side of the thermoelectric cooling plate 12 away from the bottom wall 111.

After all, the area of the hot end of the thermoelectric refrigerating sheet 12 is limited, and the heat dissipation plate 15 is further arranged on the hot end, so that the diffusion speed of heat conducted out by the thermoelectric refrigerating sheet 12 is increased, and the efficiency of rapid pressure relief is improved.

Specifically, in one embodiment, the heat dissipation plate 15 is an aluminum alloy plate. Alternatively, the heat dissipation plate 15 may be made of other materials with good thermal conductivity, and is not limited herein.

Further, the air inlet 13 is located on one side of the heat dissipation plate 15 away from the bottom wall 111, so that air entering from the air inlet 13 can rapidly pass through the heat dissipation plate 15, and floats upwards after absorbing heat and is discharged from the air outlet 14.

Further, in an embodiment, a side surface of the heat dissipation plate 15 away from the thermoelectric cooling plate 12 is an upper side surface, and the upper side surface is provided with concave and convex heat dissipation lines. The contact area between the heat sink 15 and the air is further increased, and the heat dissipation capacity is increased.

Specifically, the heat dissipation lines may be spiral, and the heat dissipation lines gradually rotate outward from the center of the heat dissipation plate 15. Or the heat dissipation lines may be configured in other shapes, which is not limited herein.

Further, as shown in fig. 2 to 4, in one embodiment, the air inlet 13 is disposed on a side wall 112 of the pot lid body 11, the air outlet 14 is disposed on a top wall 113 of the pot lid body 11, the air inlet 13 and the air outlet 14 are both plural, and the plural air inlets 13 are circumferentially disposed along the side wall 112 of the pot lid body 11.

Make 11 circumference of pot cover body air homoenergetic enough gets into the installation cavity improves the circulation efficiency of air in the installation cavity improves the radiating effect.

Specifically, the shapes of the air inlet holes 13 and the air outlet holes 14 may be long strips or rhombuses, and are not particularly limited herein.

Further, as shown in fig. 1, in another embodiment, an electric pressure cooker 20 is provided, comprising the above-mentioned pressure cooker cover assembly 10.

The above-mentioned scheme provides an electric pressure cooker 20, through setting up the pressure cooker cover assembly 10 described in any of the above-mentioned embodiments in the electric pressure cooker 20, in the process of realizing quick pressure release, will not produce extra noise because of the flow of liquid such as cooling water.

Further, as shown in fig. 1 and 2, in one embodiment, the electric pressure cooker 20 further includes a pot body 21, the pot cover body 11 is covered on an opening of the pot body 21, and a top wall 113 of the pot cover body 11 is provided with a handle 16 and an exhaust valve 17.

The heat in the pot body 21 is conducted to the cold end of the thermoelectric refrigerating sheet 12 through the pot cover body 11, and the heat is diffused out from the hot end of the thermoelectric refrigerating sheet 12, so that the rapid pressure relief of the electric pressure cooker 20 is realized.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a pressure cooker lid subassembly, a serial communication port, including pot cover body and thermoelectric refrigeration piece, the pot cover body is used for the lid to establish on pot body opening, be equipped with the installation cavity in the pot cover body, thermoelectric refrigeration piece is installed in the installation cavity, be close to in the pot cover body pot body open-ended wall is the diapire, the cold junction of thermoelectric refrigeration piece with the diapire contact, be equipped with inlet port and exhaust hole on the pot cover body, the inlet port with the exhaust hole is all followed this external lining up of pot cover extremely the installation cavity.

2. The cover assembly as claimed in claim 1, wherein a heat dissipating plate is further disposed in the mounting cavity, the heat dissipating plate is in contact with the hot end of the thermoelectric cooling plate, the heat dissipating plate is disposed on a side of the thermoelectric cooling plate away from the bottom wall, and the air inlet hole is disposed on a side of the heat dissipating plate away from the bottom wall.

3. The pressure cooker lid assembly of claim 2, wherein said heat sink plate is an aluminum alloy plate.

4. The pressure cooker lid assembly of claim 2, wherein the side of the heat dissipating plate away from the thermoelectric cooling fins is an upper side, and the upper side is provided with concave-convex heat dissipating lines.

5. The pressure cooker cover assembly of claim 4, wherein said heat dissipating ridges are spiral-shaped, and said heat dissipating ridges extend from the center of said heat dissipating plate to gradually rotate outward.

6. The pressure cooker lid assembly according to any one of claims 1 to 5, wherein the air inlet hole is provided on a side wall of the lid body, the air outlet hole is provided on a top wall of the lid body, the air inlet hole and the air outlet hole are both plural, and the plural air inlet holes are provided circumferentially along the side wall of the lid body.

7. The pressure cooker cover assembly as claimed in any one of claims 1 to 5, wherein said thermoelectric cooling plate is plural, and plural thermoelectric cooling plates are provided at intervals in said mounting cavity.

8. The pressure cooker cover assembly of claim 7, wherein the plurality of thermoelectric cooling fins are divided into a first group and a second group, the first group and the second group being controlled by two different switches, respectively.

9. An electric pressure cooker comprising a pressure cooker cover assembly according to any one of claims 1 to 8.

10. The electric pressure cooker according to claim 9, further comprising a cooker body, wherein the cooker cover body covers the opening of the cooker body, and the top wall of the cooker cover body is provided with a handle and an exhaust valve.