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Dry heating prevention switch with draw hook and temperature control assembly using the switch

A technology of anti-dry heating and switching, which is applied in the direction of electric switches, thermal switches, thermal switch components, etc., can solve the problem that the inner pot cannot be powered off immediately, and achieve reliable mechanical stability, simple operation, and enhanced safety sexual effect

Inactive Publication Date: 2016-08-03
梁炜畅 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the electric rice cooker heated by a heating plate controlled by a sudden jump thermostat or a thermistor cannot be immediately powered off for protection when the inner pot is taken out, and only overheating protection methods such as thermal fuses can be adopted. This protection method is passive protection, and when overheating protection occurs, it is necessary to replace the thermal fuse or temperature control assembly

Method used

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  • Dry heating prevention switch with draw hook and temperature control assembly using the switch
  • Dry heating prevention switch with draw hook and temperature control assembly using the switch
  • Dry heating prevention switch with draw hook and temperature control assembly using the switch

Examples

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Effect test

Embodiment 1

[0032] As a preferred embodiment, such as Figure 4 , 56. The temperature control assembly provided by the present invention includes the above-mentioned anti-dry switch 1 with a pull hook, and an inner aluminum cover 170 is provided above the guide frame 12, and an accommodation cavity 120 is provided on the top of the guide frame 12, The accommodating cavity 120 is provided with a bimetal sheet 2, and also includes a heat conduction cover 3 provided with a skirt 31 and a fixing seat 4 arranged below the heat conduction cover 3, and the fixing seat 4 is provided with supporting feet 41 upwards, The skirt 31 of the heat conduction cover 3 is threaded on the support foot 41, a spring 5 is provided between the skirt 31 of the heat conduction cover 3 and the fixing seat 4, and the inner aluminum cover 170 is closely attached to On the inner top surface of the heat conduction cover 3 , the hook arm 110 extends downward through the fixing seat 4 and has a bent portion 111 at the e...

Embodiment 2

[0035] As another implementation, such as Figure 7 , 8 The temperature control assembly provided by the present invention includes the above-mentioned anti-dry switch 1 with a pull hook, an aluminum cover 17 is arranged above the guide frame 12, and the inner top surface of the aluminum cover 17 is closely attached to a thermistor 6 , also includes a fixing base 4 arranged below the aluminum cover 17, the aluminum cover 17 is provided with a skirt 171, the fixing base 4 is provided with a supporting foot 41 upward, and the skirt 171 of the aluminum cover 17 is worn On the support foot 41, a spring 5 is provided between the skirt 171 of the aluminum cover 17 and the fixed seat 4, and the hook arm 110 extends downward through the fixed seat 4 and has a bend at the end. The bent part 111 is located below the bottom end of the spring 5 , and the anti-dry switch 1 is fixed in the aluminum cover 17 through the bracket 8 .

[0036] The temperature control assembly of this kind of ...

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Abstract

The invention provides a dry heating prevention switch with a draw hook which is easy to reset, and electric connection between a moving contact assembly and a fixed contact assembly can be cut off at any time through operation of the draw hook. The switch includes the draw hook, a guide frame, a push rod arranged in a middle part of the guide frame in a penetrating manner, the moving contact assembly that abuts against the lower side of the push rod, the fixed contact assembly in separable electrical connection with the moving contact assembly and a pedestal used for installing the moving contact assembly and the fixed contact assembly, the top of the push rod abuts against the draw hook, the draw hook and the push rod move in the same direction, and a draw hook arm of the draw hook extends out of the guide frame. The invention also provides a control temperature assembly using the abovementioned dry heating prevention switch with the draw hook, can realize instant power-off protection when an electric cooker inner pot does not exist or is taken out, and can also be used for temperature limiting or automatic recovery overheating protection of normal rice cooking when the electric cooker inner pot exists.

Description

technical field [0001] The invention relates to the technical field of household electrical appliances, in particular to an anti-boiling-dry switch with a pull hook and a temperature control assembly using the switch. Background technique [0002] At present, the electric rice cooker heated by a heating plate controlled by a sudden jump thermostat or a thermistor cannot be immediately powered off for protection when the inner pot is taken out, and only overheating protection methods such as thermal fuses can be adopted. This protection method is passive protection, and the thermal fuse or temperature control assembly needs to be replaced when overheating protection occurs. Contents of the invention [0003] The primary purpose of the present invention is to provide an easy-to-reset anti-boil-dry switch with a pull hook, which can disconnect the electrical connection between the movable contact assembly and the fixed contact assembly at any time through the operation of the...

Claims

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Application Information

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IPC IPC(8): H01H37/54
CPCH01H37/54H01H2037/549
Inventor 梁炜畅韦科宏
Owner 梁炜畅
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