Rapid heating and accurate temperature control electric stewpot

Abstract

The utility model relates to an electric stewpot capable of rapidly heating and accurately controlling temperature. The electric stewpot comprises a heat preservation cover, a heat conduction plate attached to the bottom of the heat preservation cover, a heating pipe attached to the bottom of the heat conduction plate, a temperature sensor arranged on the heat conduction plate and a connecting piece used for connecting the heat conduction plate and the heat preservation cover. According to the electric stewpot capable of rapidly heating and accurately controlling the temperature, the heat conduction plate and the heat preservation cover are tightly attached through the connecting piece, brazing and polishing processes are omitted, and cost is saved. The temperature sensor is directly attached to the heating disc, and the temperature can be better controlled. The connecting piece can be a screw, a rivet, a blind rivet and the like.

Description

Technical Field

[0001] The utility model relates to the field of household appliances, in particular to a fast-heating and precisely temperature-controlled electric stew pot. Background Art

[0002] At present, the heat conduction method of electric stew pots is mainly to conduct heat to the pot body by combining the aluminum substrate and the insulation cover. However, the aluminum substrate and the insulation cover are mainly combined by brazing, and polishing is required before brazing, resulting in high cost and complex structure. Utility Model Content

[0003] In order to solve the above problems, the present technical solution provides an electric stew pot with fast heating and precise temperature control.

[0004] To achieve the above purpose, the technical solution is as follows:

[0005] A fast-heating and precisely temperature-controlled electric stew pot comprises a heat-insulating cover, a heat-conducting plate attached to the bottom of the heat-insulating cover, a heating pipe attached to the bottom of the heat-conducting plate, a temperature sensor arranged on the heat-conducting plate, and a connector for connecting the heat-conducting plate and the heat-insulating cover.

[0006] In the fast-heating and precisely temperature-controlled electric stew pot as described above, the heating tube is bent in a circular ring shape and forms a gap between its two ends. The temperature sensor passes through the gap and is surrounded by the heating tube.

[0007] In the fast-heating and precisely temperature-controlled electric stew pot as described above, a boss protruding upward is provided at the bottom of the heat-insulating cover, and the boss is integrally formed with the heat-insulating cover.

[0008] In the fast-heating and precisely temperature-controlled electric stew pot as described above, the boss comprises a plurality of grooves arranged at intervals, the top of the boss is used for contacting with the inner pot for heat conduction, and the bottom of the groove is used for contacting with the heat conduction plate for heat conduction.

[0009] In the fast-heating and precisely temperature-controlled electric stew pot as described above, the groove is in a circular ring shape, and a plurality of the grooves are stacked in sequence from the center of the boss toward the periphery.

[0010] In the fast heating and precise temperature control electric stew pot as described above, the heat conducting plate is provided with a mounting column and a positioning piece, one end of the positioning piece is connected to the mounting column, and the other end is used to press the temperature sensor toward the heat conducting plate so that the temperature sensor is closely attached to the heat conducting plate.

[0011] In the fast-heating and precise temperature-control electric stew pot as described above, the boss is provided with a connecting hole, and the connecting piece passes through the connecting hole and is riveted to the heat-conducting plate.

[0012] In the fast heating and precise temperature control electric stew pot as described above, the boss is provided with a positioning groove, the heat conducting plate is provided with a locking groove corresponding to the positioning groove, and the positioning groove is spaced apart from the locking groove.

[0013] In the fast heating and precise temperature control electric stew pot as described above, the heat conducting plate is an aluminum substrate, and an integrally formed limiting protrusion is stamped out on the heat conducting plate, and the limiting protrusion is used to limit the installation position of the heating tube and the positioning member.

[0014] In the fast heating and precise temperature control electric stew pot as described above, the positioning member includes a mounting portion cooperating with the mounting column, an arc-shaped pressure plate cooperating with the temperature sensor, and a bending portion connecting the mounting portion and the arc-shaped pressure plate. When the arc-shaped pressure plate approaches the mounting portion, the bending portion elastically deforms to provide resistance.

[0015] The beneficial effects of this application are:

[0016] The utility model provides a fast heating and precise temperature control electric stew pot, which uses a connector to tightly fit the heat conducting plate and the heat preservation cover, eliminating the brazing and polishing process and saving costs. The temperature sensor is directly attached to the heating plate, which can better control the temperature. The connector can be a screw, a rivet, a rivet, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a half-section view of the utility model. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] A fast-heating and precisely temperature-controlled electric stew pot comprises a heat-insulating cover 1, a heat-conducting plate 2 attached to the bottom of the heat-insulating cover 1, a heating tube 3 attached to the bottom of the heat-conducting plate 2, a temperature sensor 4 arranged on the heat-conducting plate 2, and a connector 5 for connecting the heat-conducting plate 2 and the heat-insulating cover 1.

[0022] The utility model provides a fast heating and precise temperature control electric stew pot, which uses a connector to tightly fit the heat conducting plate and the heat preservation cover, eliminating the brazing and polishing process and saving costs. The temperature sensor is directly attached to the heating plate, which can better control the temperature. The connector can be a screw, a rivet, a rivet, etc.

[0023] Further, as a preferred embodiment of the present invention but not limiting, the heating tube 3 is bent in a circular ring shape and forms a notch 31 between its two ends, and the temperature sensor 4 passes through the notch 31 and is surrounded by the heating tube 3. The notch provides an installation position, detects the temperature at the center of the heat conducting plate, and then controls it. The temperature sensor is electrically connected to the heating tube.

[0024] Further, as a preferred implementation of the present solution but not limiting, the bottom of the heat preservation cover 1 is provided with a boss 11 protruding upward, and the boss 11 is integrally formed with the heat preservation cover 1. The heat preservation cover is stamped to produce the boss, which can better fit the pot.

[0025] Further, as a preferred embodiment of the present solution but not limiting, the boss 11 includes a plurality of grooves 12 arranged at intervals, the top of the boss 11 is used to contact with the inner pot for heat conduction, and the bottom of the groove 12 is used to contact with the heat conduction plate 2 for heat conduction. The supporting force of the boss is improved, and the heat conduction can be made more uniform.

[0026] Further, as a preferred embodiment of the present invention but not limiting, the groove 12 is annular, and a plurality of the grooves 12 are stacked in sequence from the center of the boss 11 to the outer circumference. The heat of the heat conducting plate is preferentially conducted along the grooves to the boss, making the heat conduction more uniform.

[0027] Furthermore, as a preferred implementation of the present solution but not a limitation, the heat conducting plate 2 is provided with a mounting column 21 and a positioning member 22, one end of the positioning member 22 is connected to the mounting column 21, and the other end is used to press the temperature sensor 4 toward the heat conducting plate 2 so that the temperature sensor 4 is in close contact with the heat conducting plate 2.

[0028] Further, as a preferred implementation of the present solution but not limiting, the boss 11 is provided with a connection hole 13, and the connection member 5 passes through the connection hole 13 and is riveted to the heat conducting plate 2. The riveting method is simple and has high reliability.

[0029] Further, as a preferred embodiment of the present invention but not limiting, the boss 11 is provided with a positioning groove 16, the heat conducting plate 2 is provided with a positioning groove 24 corresponding to the positioning groove 16, and the positioning groove 16 is spaced from the positioning groove 24. The positioning groove corresponds to the positioning groove, which is easy to align and convenient for installation.

[0030] Further, as a preferred embodiment of the present solution but not a limitation, the heat conducting plate 2 is an aluminum substrate, and an integrally formed limiting protrusion 23 is stamped out on the heat conducting plate 2, and the limiting protrusion 23 is used to limit the installation position of the heating pipe 3 and the positioning member 22. The limiting protrusion facilitates the alignment of the heating pipe and the positioning member, and facilitates installation.

[0031] Further, as a preferred embodiment of the present solution but not a limitation, the positioning member 22 includes a mounting portion 221 matched with the mounting column 21, an arc-shaped pressing plate 222 matched with the temperature sensor 4, and a bending portion 223 connecting the mounting portion 221 and the arc-shaped pressing plate 222, and when the arc-shaped pressing plate 222 approaches the mounting portion 221, the bending portion 223 is elastically deformed to provide resistance. The temperature sensor can be locked and can be prevented from being damaged by over-tightening.

[0032] The above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application. Other principles and basic structures that are the same or similar to those of the present application are within the protection scope of the present application.

Claims

1. A fast heating and precise temperature control electric stew pot, characterized in that: The invention comprises a heat-insulating cover (1), a heat-conducting plate (2) affixed to the bottom of the heat-insulating cover (1), a heating pipe (3) affixed to the bottom of the heat-conducting plate (2), a temperature sensor (4) arranged on the heat-conducting plate (2), and a connecting piece (5) for connecting the heat-conducting plate (2) and the heat-insulating cover (1).

2. The fast heating and precise temperature control electric stew pot according to claim 1, characterized in that: The heating tube (3) is bent in a circular ring shape and forms a notch (31) between its two ends; the temperature sensor (4) passes through the notch (31) and is surrounded by the heating tube (3).

3. The fast heating and precise temperature control electric stew pot according to claim 1, characterized in that: The bottom of the heat-insulating cover (1) is provided with a boss (11) protruding upwards, and the boss (11) and the heat-insulating cover (1) are integrally formed.

4. The fast heating and precise temperature control electric stew pot according to claim 3, characterized in that: The boss (11) comprises a plurality of grooves (12) arranged at intervals; the top of the boss (11) is used for contacting with the inner pot for heat conduction, and the bottom of the groove (12) is used for contacting with the heat conduction plate (2) for heat conduction.

5. The fast heating and precise temperature control electric stew pot according to claim 4, characterized in that: The groove (12) is in the shape of a circular ring, and a plurality of the grooves (12) are stacked in sequence from the center of the boss (11) toward the periphery.

6. The fast heating and precise temperature control electric stew pot according to claim 1, characterized in that: The heat conducting plate (2) is provided with a mounting column (21) and a positioning member (22); one end of the positioning member (22) is connected to the mounting column (21), and the other end is used to press the temperature sensor (4) toward the heat conducting plate (2) so that the temperature sensor (4) is in close contact with the heat conducting plate (2).

7. The fast heating and precise temperature control electric stew pot according to claim 3, characterized in that: The boss (11) is provided with a connection hole (13), and the connection piece (5) passes through the connection hole (13) and is riveted to the heat conducting plate (2).

8. The fast heating and precise temperature control electric stew pot according to claim 3, characterized in that: The boss (11) is provided with a positioning groove (16), the heat conducting plate (2) is provided with a locking groove (24) corresponding to the positioning groove (16), and the positioning groove (16) and the locking groove (24) are spaced apart.

9. The fast heating and precise temperature control electric stew pot according to claim 6, characterized in that: The heat conducting plate (2) is an aluminum substrate, and an integrally formed limiting protrusion (23) is punched out of the heat conducting plate (2), and the limiting protrusion (23) is used to limit the installation position of the heating tube (3) and the positioning member (22).

10. The fast heating and precise temperature control electric stew pot according to claim 6, characterized in that: The positioning member (22) comprises a mounting portion (221) cooperating with the mounting column (21), an arc-shaped pressure plate (222) cooperating with the temperature sensor (4), and a bending portion (223) connecting the mounting portion (221) and the arc-shaped pressure plate (222); when the arc-shaped pressure plate (222) approaches the mounting portion (221), the bending portion (223) elastically deforms to provide resistance.

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