CN213371386U - Heating plate and pressure cooker - Google Patents

Abstract

The utility model discloses a heating plate, heating plate's bottom is provided with a plurality of supporting parts of arranging along disk body circumference interval, and at least one supporting part stretches across protruding muscle along the width direction of the protruding muscle of disk body, arouses heating plate's deformation when taking place the dry combustion method phenomenon in avoiding pressure a kind of deep pot use, especially to the protruding muscle that the cladding has the heater, the supporting part sets up to stretching across protruding muscle, can promote protruding muscle and resist the ability of dry combustion method deformation, prolongs heating plate's life. The application also discloses a pressure cooker, pressure cooker is provided with the dish that generates heat as above, generate heat in the dish assembly is fixed in the cover that keeps warm, the supporting part supports with the cover that keeps warm and leans on. Under the condition, the pressure cooker is not provided with accessories such as a disc spring, a support, a stud and the like, so that the cost of the whole pressure cooker is greatly reduced, the number and the assembly mode of the accessories are effectively simplified, the assembly efficiency of a production line is improved, and the labor cost is reduced.

Description

Heating plate and pressure cooker

Technical Field

The utility model belongs to the technical field of kitchen utensil, especially, relate to a dish and pressure a kind of deep pot generate heat.

Background

The electric pressure cooker is an upgrading product of the traditional pressure cooker and electric cooker, combines the advantages of the pressure cooker and the electric cooker, realizes multiple functions of cooking, stewing, braising, boiling and the like by forming a certain pressure in the cooker through the processes of heating, temperature control, pressure control and the like, and becomes one of cooking appliances commonly used in the life of people.

The electric pressure cooker is mainly composed of upper cover, internal container, shell, control panel, pressure switch, heating disk and temp. controller. Wherein, the heating plate is a heating element of the pressure cooker core. In the working process, the pressure switch controls heating by detecting the up-and-down deformation of the heating disc at the bottom of the machine. However, if the heating plate is dried in the using process, the heating plate is deformed due to the dry burning, so that the heating control of the pressure switch is affected, particularly, the convex ribs coated with the heating wires are affected by the dry burning, the heating of the heating wires is disturbed, and the service life of the heating wires is shortened.

In addition, for the control of the electric pressure cooker, at present, the pressure regulation control is mostly carried out through the displacement measurement of the inner container or the heating disc or the pressure switch triggering control unit, so that the bottom of the heating disc is designed with components such as a pressure switch, a disc spring, a support, a hexagon nut and the like, the number of accessories is large, and the assembly, fixation and operation are complex. And in the mode of adopting pressure switch to carry out pressure control, pressure control system has higher to the size precision requirement of relevant key accessory, otherwise takes place easily and presses unqualified condition, and relevant accessory is more means that the size chain tolerance is more, and key size is difficult to be held, is unfavorable for the accuse to press worth stablely, and more accessory means the complicacy of assembly, produces the line inefficiency, increases the cost of labor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a heating plate to solve at least one of the above-mentioned technical problems.

The utility model discloses the technical scheme who adopts does:

the utility model provides a heating plate, includes the disk body, the bottom of disk body is provided with protruding muscle, the cladding has the heating tube in the protruding muscle, the bottom of disk body still is provided with the supporting part, the supporting part has a plurality ofly, and is a plurality of the supporting part is followed the circumference interval arrangement of disk body, at least one of them the supporting part is followed the width direction of protruding muscle spanes protruding muscle.

The central part of the heating plate is provided with a temperature measuring hole, and the distance L between the axis of the temperature measuring hole and the central line of the supporting part meets the following requirements: 4cm ≦ L ≦ 8 cm.

The application also provides a pressure cooker, which comprises a cooker body, a cooker cover and an inner container capable of being contained in the cooker body, wherein the cooker body comprises a shell and a heat preservation cover arranged on the inner side of the shell, the inner container is provided with a cooking cavity, the pressure cooker further comprises a heating unit for heating the inner container, the heating unit comprises the heating disc, the heating disc is arranged in the heat preservation cover, and the supporting part is abutted against the heat preservation cover.

The cooker cover is pivotally connected with the cooker body so as to open or cover the cooker body; the cooker cover is internally provided with a temperature detection element for detecting the temperature in the cooking cavity, the cooker body is internally provided with a control unit, and the temperature detection element is electrically connected with the control unit.

The cooker cover can be placed in the cooker body in a picking and placing way so as to open or cover the cooker body; a temperature detection element for detecting the temperature in the cooking cavity is arranged in the cooker cover, and a control unit is arranged in the cooker body; the cooker cover is provided with an upper coupler, the cooker body is provided with a lower coupler, and the lower coupler is electrically connected with the control unit; the upper coupler is coupled with the lower coupler in a state where the pot cover is closed to the pot body.

The display panel is arranged on the front side of the cooker body, and the lower coupler is arranged on the front side of the cooker body and is positioned above the display panel; the upper coupler is in plug-in fit with the lower coupler.

The supporting part is of a hollow structure.

The bottom of the tray body is also provided with a fixing part, the fixing part is abutted against the heat-preservation cover, and the fixing part is fixedly connected with the heat-preservation cover.

The fixing parts are arranged at intervals along the circumferential direction of the tray body; the heat preservation cover is provided with a mounting hole opposite to the fixing part, the pressure cooker further comprises a fastening piece, and the fixing part is connected with the heat preservation cover through the fastening piece.

The fixing parts and the supporting parts are arranged in a staggered mode along the circumferential direction of the tray body.

Since the technical scheme is used, the utility model discloses the beneficial effect who gains does:

1. the utility model discloses in, the bottom of the dish that generates heat is provided with a plurality of supporting parts of arranging along disk body circumference interval for support and reinforce the disk body. And at least one supporting part spanes the protruding muscle along the width direction of the protruding muscle of disk body, when avoiding taking place the dry combustion method phenomenon in the pressure a kind of deep pot use, dry combustion method will arouse the deformation of heating plate, especially to the protruding muscle that the cladding has the heater, the supporting part sets up to spaning the protruding muscle, can promote protruding muscle and resist the ability of dry combustion method deformation, and then the life of extension heating plate. Further, the distance between the central line of the supporting part and the axis of the central temperature measuring hole of the heating plate is controlled between 4cm and 8cm, so that the adverse effect caused by too close or too far distance between the supporting part and the heating plate is avoided, and the deformation resistance of the heating plate and the bottom heat-insulating cover of the heating plate is improved.

2. The application also discloses a pressure cooker, pressure cooker is including being used for the heating element of inner bag, heating element are provided with as above have the dish that generates heat of higher structural strength and high temperature resistance to deformation ability, generate heat set assembly fixed in the cover that keeps warm, the supporting part supports with the cover that keeps warm and leans on. Under this condition, the pressure cooker no longer carries out pressure regulation control through the displacement measurement of inner bag or dish that generates heat or pressure switch trigger control unit, and then has cancelled accessories such as dish spring, support, stud under the original pressure regulation control mode, not only greatly reduced the cost of complete machine, effectual quantity and the assembly methods of simplifying the accessory in addition, improved and produced line assembly efficiency, reduced the cost of labor. In addition, the simplified fittings also reduce the key fittings in the size chain, and improve the stability of pressure control.

3. In a preferred embodiment, the pressure cooker is provided with a conjoined structure, the cooker cover is pivotally connected with the cooker body, a temperature detection element for detecting the temperature in the cooking cavity is arranged in the cooker cover, a control unit is arranged in the cooker body, the temperature detection element is electrically connected with the control unit, and the cooking state is regulated and controlled through the signal transmission between the temperature detection element arranged on the cooker cover and the control unit.

4. In another preferred embodiment, the pressure cooker is provided with a split structure, the cooker cover is arranged in the cooker body in a removable manner, the cooker cover is provided with a temperature detection element for detecting the temperature in the cooking cavity and an upper coupler electrically connected with the temperature detection element, and the cooker body is provided with a control unit and a lower coupler electrically connected with the control unit. When the cooker cover covers the cooker body, the upper coupler is coupled with the lower coupler, so that the temperature detection element is electrically connected with the control unit.

5. Further, the lower coupler is arranged on the front side of the cooker body and above the display panel to play a role in clearly showing the covering position of a user. Simultaneously, the cooker cover is provided with the upper coupler at the position corresponding to the lower coupler, and the upper coupler is in plug-in coupling fit with the lower coupler, so that the cooker cover is convenient to cover, the user experience is improved, the electric connection between the temperature detection element and the control unit can be rapidly realized, and the cooker is simple to operate, convenient and fast.

6. As a preferred embodiment, the supporting part is of a hollow structure, so that the contact area between the supporting part and the heat-insulating cover is reduced, the heat transfer between the heating plate and the heat-insulating cover is reduced, the heating degree of the heat-insulating cover is reduced, and the deformation resistance of the bottom of the heat-insulating cover is favorably improved; and the heat transfer from the supporting part to the heat-insulating cover is reduced, the temperature rise of the heat-insulating cover is reduced, and the heat-insulating effect of the heat-insulating cover is improved. In addition, when the supporting part stretches across the convex rib, the hollow structure of the supporting part helps the heat dissipation of the corresponding part of the convex rib, the convex rib and the heating tube are prevented from being deformed due to high temperature, and the service life of the heating plate is prolonged.

7. Further, for the convenience of assembling and fixing the heating plate, a fixing part is further arranged at the bottom of the heating plate, and the heating plate is fixedly connected with the heat-insulating cover through the fixing part. Compared with the traditional dynamic mounting mode, the arrangement of structural parts can be reduced by fixedly connecting the heating plate with the heat-insulating cover, the assembly and fixation of the heating plate are simplified, and the pressure control stability is improved. Furthermore, the fixing parts are arranged in a plurality and are arranged at intervals along the circumferential direction of the tray body, so that stress concentration in the assembling process of the heating tray is reduced. The existence of fastener makes the dish that generates heat the assembly more firm, and fastener convenient operation, swift moreover helps promoting the assembly efficiency who generates heat the dish.

8. Preferably, the plurality of supporting parts and the fixing part are uniformly arranged at intervals and matched with each other to ensure that the heating plate is uniformly stressed and prevent the heating plate from deforming; meanwhile, the bottom of the heat-insulating cover is prevented from deforming due to the fact that the supporting area of the heating plate is too small under the action of pressure.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the application and not to limit the invention. In the drawings:

fig. 1 is a schematic view of a heating plate of the present invention.

Fig. 2 is a schematic view of the pressure cooker of the present invention.

Fig. 3 is an assembly schematic diagram of the heating plate and the heat preservation cover of the present invention.

Fig. 4 is an assembly explosion diagram of the heating plate and the heat-insulating cover of the present invention.

Wherein,

1 heating plate, 11 plate body, 12 convex ribs, 13 supporting part, 14 temperature measuring hole and 15 fixing part;

2 pot body, 21 shell, 22 pot cover, 23 inner container, 24 heat preservation cover, 241 mounting hole, 25 upper coupler, 26 lower coupler, 27 fastener and 28 panel.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1, 2 and 3, a heating plate 1 includes a plate body 11, a rib 12 is provided at the bottom of the plate body 11, a heating tube is covered in the rib 12, a supporting portion 13 is further provided at the bottom of the plate body 11, the supporting portion 13 is provided in a plurality of numbers, the supporting portion 13 is arranged along the circumferential direction of the plate body 11 at intervals, and at least one of the supporting portions 13 crosses the rib 12 along the width direction of the rib 12.

As a core heating component of the pressure cooker, the heating plate 1 is installed and fixed at the bottom of the cooker, and is electrified to generate heat so as to provide heat for food in the cooker body 2. As an independently detachable device of the pressure cooker, the heating plate 1 is easily deformed under the action of high temperature and the gravity of other devices such as the heating plate 1 or the inner container 23, so that the structural strength and the high-temperature deformation resistance of the heating plate 1 are important references for evaluating the quality of the heating plate 1.

In order to improve the structural strength and the high-temperature deformation resistance of the heating plate 1, a plurality of supporting parts 13 are arranged at intervals along the circumferential direction of the plate body 11 at the bottom of the plate body 11 to support and reinforce the plate body 11. And at least one supporting part 13 spanes protruding muscle 12 along the width direction of the protruding muscle 12 of disk body 11, when avoiding taking place the dry combustion method in the pressure cooker use, dry combustion method will arouse the deformation of heating plate 1, especially to the protruding muscle 12 that the cladding has the heater, supporting part 13 sets up to spaning protruding muscle 12, can promote protruding muscle 12 and resist the ability of dry combustion method deformation, and then prolongs the life of heating plate 1.

Preferably, a plurality of supporting portions 13 can be partially or completely arranged on the scattering supporting rib positions at the tray bottom, and the supporting portions 13 interact with the scattering supporting rib positions at the tray bottom, so that the structural strength and the high-temperature deformation resistance of the heating tray 1 are further improved.

Further, as shown in fig. 1, a temperature measuring hole 14 is provided in the center of the heating plate 1, and a distance L between an axis of the temperature measuring hole 14 and a center line of the support portion 13 satisfies: 4cm ≦ L ≦ 8 cm. The temperature measuring hole 14 is arranged at the central position of the heating plate 1, so that the temperature sensing element can more accurately measure the temperature of the inner container 23 or the heating plate 1. When the heating plate 1 is applied to a pressure cooker, under the action of high pressure, the inner container 23 can move up and down, the inner container 23 moves down to transfer pressure to the heating plate 1, so that the pressure is indirectly transferred to the heat-insulating cover 24, and if the distance between the support part 13 and the heating plate 1 is too short, the stress is easily over-concentrated; if the distance between the supporting portion 13 and the heating plate 1 is too long, the supporting portion 13 cannot support the heating plate well. Therefore, the distance between the support portion 13 and the heat generating plate 1 needs to be set appropriately. In the scheme, the distance between the central line of the supporting part 13 and the axis of the central temperature measuring hole 14 of the heating plate 1 is controlled between 4cm and 8cm, so that the adverse effect caused by too close or too far distance between the supporting part 13 and the heating plate 1 is avoided, and the deformation resistance of the heating plate 1 and the bottom heat-insulating cover 24 thereof is improved.

The application also discloses a pressure cooker, as shown in fig. 2 and fig. 3, the pressure cooker comprises a cooker body 22, a cooker cover 22 and an inner container 23 which can be contained in the cooker body 2, the cooker body 2 comprises a shell 21 and a heat preservation cover 24 arranged on the inner side of the shell 21, the inner container 23 is provided with a cooking cavity, the pressure cooker further comprises a heating unit for heating the inner container 23, the heating unit comprises the heating disc 1, the heating disc 1 is arranged in the heat preservation cover 24, and the supporting part 13 is abutted to the heat preservation cover 24.

The pressure cooker comprises a heating unit for heating the inner container 23, the heating unit is provided with a heating plate 1 with higher structural strength and high-temperature deformation resistance, the heating plate 1 is assembled and fixed in the heat-insulating cover 24, and the heating surface of the heating plate 1 faces to the direction of the inner container 23 and is used for transferring heat to the inner container 23 to heat food in the cooking cavity. The supporting part 13 arranged on the heating plate 1 is abutted against the heat-insulating cover 24 to support and fix the heating plate 1.

Under the condition that dish 1 that generates heat is provided with supporting part 13, supporting part 13 supports with heat preservation cover 24 and leans on, the pressure cooker no longer carries out pressure regulation control through inner bag 23 or the displacement measurement of dish 1 that generates heat or pressure switch trigger control unit, and then has cancelled the dish spring under the original pressure regulation control mode, the support, accessories such as stud, not only greatly reduced the cost of complete machine, effectual quantity and the assembly mode of simplifying the accessory in addition, improved and produced line assembly efficiency, reduced the cost of labor. In addition, the simplified fittings also reduce the key fittings in the size chain, and improve the stability of pressure control.

In a preferred embodiment, the pot cover 22 is pivotally connected to the pot body 2 to open or close the pot body 2. A temperature detection element for detecting the temperature in the cooking cavity is arranged in the cooker cover 22, a control unit is arranged in the cooker body 2, and the temperature detection element is electrically connected with the control unit.

Under the condition that the heating plate 1 is provided with the supporting part 13, the supporting part 13 is abutted against the heat preservation cover 24, the pressure cooker does not perform pressure regulation control through displacement measurement of the inner container 23 or the heating plate 1 or a pressure switch trigger control unit any more, and cooking state can be regulated and controlled only through a temperature signal of a temperature detection element arranged on the cooker cover 22.

The pressure cooker in this scheme sets up to disjunctor structure, a kind of deep pot lid 22 and a kind of deep pot body 2 pivotal connection, is provided with the temperature-detecting element who is used for detecting the culinary art intracavity temperature in the a kind of deep pot lid 22, is provided with the control unit in the a kind of deep pot body 2, and the temperature-detecting element is connected with the control unit electricity, and the transmission of signal carries out the regulation and control of culinary art state between the temperature-detecting element that sets up a kind of deep.

In another preferred embodiment, as shown in fig. 2, the pot cover 22 is removably placed on the pot body 2 to open or close the pot body 2. A temperature detection element for detecting the temperature in the cooking cavity is arranged in the cooker cover 22, and a control unit is arranged in the cooker body 2; the cooker cover 22 is provided with an upper coupler 25, the cooker body 2 is provided with a lower coupler 26, and the lower coupler 26 is electrically connected with the control unit; the upper coupler 25 is coupled with the lower coupler 26 in a state where the pot cover 22 is closed to the pot body 2.

In the scheme, the pressure cooker is of a split structure, the cooker cover 22 is arranged in the cooker body 2 in a removable manner, the cooker cover 22 is provided with a temperature detection element for detecting the temperature in the cooking cavity and an upper coupler 25 electrically connected with the temperature detection element, and the cooker body 2 is provided with a control unit and a lower coupler 26 electrically connected with the control unit. When the pot cover 22 is covered to the pot body 2, the upper coupler 25 is coupled with the lower coupler 26, so that the temperature detection element is electrically connected with the control unit. The cooking state is regulated and controlled by the signal transmission between the temperature detecting element of the cooker cover 22 and the control unit.

Further, as shown in fig. 2, a display panel 28 is provided at the front side of the pot body 2, and the lower coupler 26 is provided at the front side of the pot body 2 and above the display panel 28; the upper coupler 25 is in plug-fit with the lower coupler 26.

The lower coupler 26 is provided on the front side of the cooker body 2 and above the display panel 28, and serves to clearly indicate the closing position of the user. Simultaneously, be provided with coupler 25 on the position corresponding with lower coupler 26 on the a kind of deep pot lid 22, go up coupler 25 and coupler 26 grafting coupling cooperation down, not only can make things convenient for the lid of a kind of deep pot lid 22 to close, promote user experience, can realize temperature detecting element and the electric connection of the control unit fast moreover, easy operation, convenient and fast.

As a preferred embodiment, as shown in fig. 1, 3 and 4, the supporting portion 13 is a hollow structure. The arrangement of the hollow structure of the supporting part 13 not only reduces the contact area between the supporting part 13 and the heat-insulating cover 24, but also reduces the heat transfer between the heating plate 1 and the heat-insulating cover 24, reduces the heating degree of the heat-insulating cover 24, and is beneficial to improving the deformation resistance of the bottom of the heat-insulating cover 24; and the heat transfer from the supporting part 13 to the heat-insulating cover 24 is reduced, the temperature rise of the heat-insulating cover 24 is reduced, and the heat-insulating effect of the heat-insulating cover 24 is improved. In addition, when the supporting portion 13 crosses the rib 12, the hollow structure of the supporting portion 13 helps to dissipate heat from the corresponding portion of the rib 12, thereby preventing the rib 12 and the heating tube from being deformed due to high temperature, and prolonging the service life of the heating plate 1.

Further, as shown in fig. 1, a fixing portion 15 is further disposed at the bottom of the tray body 11, the fixing portion 15 abuts against the heat-insulating cover 24, and the fixing portion 15 is fixedly connected with the heat-insulating cover 24. In order to facilitate the assembly and fixation of the heating plate 1, the bottom of the heating plate 1 is also provided with a fixing part 15, and the heating plate 1 is fixedly connected with the heat-insulating cover 24 through the fixing part 15. Compared with the traditional dynamic installation mode, namely the pressure cooker which carries out pressure regulation control through the displacement measurement of the inner container 23 or the heating plate 1 or the pressure switch triggering control unit, the arrangement of structural parts can be reduced by fixedly connecting the heating plate 1 and the heat-insulating cover 24, the assembly and fixation of the heating plate 1 are simplified, and the stability of pressure control is improved.

Further, as shown in fig. 1, the fixing portion 15 is plural, and the plural fixing portions 15 are arranged at intervals along the circumferential direction of the tray body 11. The heat preservation cover 24 is provided with a mounting hole 241 opposite to the fixing part 15, the pressure cooker further comprises a fastening piece 27, and the fixing part 15 is connected with the heat preservation cover 24 through the fastening piece 27.

The fixing parts 15 are provided in plurality and arranged at intervals along the circumferential direction of the tray body 11, so that stress concentration during the assembly of the heat generating tray 1 can be reduced. When the heating plate is installed and used, the heating plate 1 is placed in the heat-insulating cover 24, the fixing part 15 of the heating plate 1 corresponds to the installation hole 241 of the heat-insulating cover 24, and the heating plate 1 and the heat-insulating cover 24 are assembled and fixed through the fastening piece 27. The fasteners 27 may be screws or other connectors. In this application, the fastening member 27 is a screw, and correspondingly, the fixing portion 15 is provided with a threaded hole, and the screw passes through the mounting hole 241 to be matched with the threaded hole, so as to fix the heating plate 1 to the heat-insulating cover 24. The existence of the fastener 27 enables the assembly of the heating plate 1 to be more stable, and the fastener 27 is convenient and quick to operate and is beneficial to improving the assembly efficiency of the heating plate 1.

Preferably, as shown in fig. 1 and 4, the fixing portions 15 and the supporting portions 13 are arranged in a staggered manner in the circumferential direction of the tray body 11. The bottom of the heating plate 1 is evenly provided with the supporting parts 13 and the fixing parts 15 at intervals, and the supporting parts 13 are abutted to the heat-insulating cover 24 to play a role in supporting the heating plate 1. The fixing part 15 abuts against the heat-insulating cover 24 and plays a role in fixing and supporting the heating plate 1. The plurality of supporting parts 13 and the fixing parts 15 are arranged at even intervals and matched with each other to enable the heating plate 1 to be stressed evenly and prevent the heating plate 1 from deforming; meanwhile, the deformation of the bottom of the heat preservation cover 24 caused by the over-small supporting area of the heating plate 1 under the pressure action is prevented.

The utility model can be realized by adopting or using the prior art for reference in places which are not mentioned in the utility model.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. A heating plate comprises a plate body, wherein the bottom of the plate body is provided with a convex rib, a heating tube is covered in the convex rib, the bottom of the plate body is also provided with a supporting part, and the heating plate is characterized in that,

the supporting parts are arranged along the circumferential direction of the tray body at intervals, and at least one supporting part crosses the convex rib along the width direction of the convex rib.

2. A heat generating tray according to claim 1,

the central part of the heating plate is provided with a temperature measuring hole, and the distance L between the axis of the temperature measuring hole and the central line of the supporting part meets the following requirements: 4cm ≦ L ≦ 8 cm.

3. A pressure cooker comprises a cooker body, a cooker cover and an inner container which can be contained in the cooker body, wherein the cooker body comprises a shell and a heat preservation cover which is arranged at the inner side of the shell, the inner container is provided with a cooking cavity, the pressure cooker also comprises a heating unit which is used for heating the inner container, and the pressure cooker is characterized in that,

the heating unit comprises the heating plate as claimed in claim 1, the heating plate is arranged in the heat-insulating cover, and the supporting part is abutted against the heat-insulating cover.

4. A pressure cooker according to claim 3,

the cooker cover is pivotally connected with the cooker body so as to open or cover the cooker body;

the cooker cover is internally provided with a temperature detection element for detecting the temperature in the cooking cavity, the cooker body is internally provided with a control unit, and the temperature detection element is electrically connected with the control unit.

5. A pressure cooker according to claim 3,

the cooker cover can be placed in the cooker body in a picking and placing way so as to open or cover the cooker body;

a temperature detection element for detecting the temperature in the cooking cavity is arranged in the cooker cover, and a control unit is arranged in the cooker body; the cooker cover is provided with an upper coupler, the cooker body is provided with a lower coupler, and the lower coupler is electrically connected with the control unit; the upper coupler is coupled with the lower coupler in a state where the pot cover is closed to the pot body.

6. A pressure cooker according to claim 5,

the display panel is arranged on the front side of the cooker body, and the lower coupler is arranged on the front side of the cooker body and is positioned above the display panel; the upper coupler is in plug-in fit with the lower coupler.

7. A pressure cooker according to any one of claims 3 to 6,

the supporting part is of a hollow structure.

8. A pressure cooker according to claim 7,

the bottom of the tray body is also provided with a fixing part, the fixing part is abutted against the heat-preservation cover, and the fixing part is fixedly connected with the heat-preservation cover.

9. A pressure cooker according to claim 8,

the fixing parts are arranged at intervals along the circumferential direction of the tray body;

the heat preservation cover is provided with a mounting hole opposite to the fixing part, the pressure cooker further comprises a fastening piece, and the fixing part is connected with the heat preservation cover through the fastening piece.

10. A pressure cooker according to claim 9,

the fixing parts and the supporting parts are arranged in a staggered mode along the circumferential direction of the tray body.

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