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Pressure-type temperature controller

A thermostat and pressure-type technology, applied in the field of mechanical thermostats, can solve the problems of compressor damage, failure to popularize and use, failure to start normally, etc., to achieve the effect of simplifying the electrical structure and saving costs

Active Publication Date: 2009-12-16
佛山通宝股份有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The disadvantage of this technical solution is that, since the compressor has a long-term current flow, first, it will damage the compressor, and second, the design of some compressors does not allow a small current to pass through when the compressor is stopped, otherwise it will not be able to Normal startup and startup, resulting in the inability to be widely used

Method used

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Examples

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Embodiment Construction

[0023] see Figure 5 to Figure 8 As shown, a single-pole double-throw pressure type thermostat with auxiliary switch is composed of a bellows 17 in the main body, a pressure bearing plate 18, a temperature adjustment spring, an adjustment shaft assembly and a switch box assembly, wherein the switch box assembly consists of a switch box 16. C terminal 2, L terminal 3, H terminal 4, moving contact 5, auxiliary contact 15, bow spring 7, C moving contact 8, H static contact 9, L static contact 10, auxiliary contact 11 , M terminal 13, M static contact 14, and auxiliary push rod 12. C terminal 2, C moving contact 8, moving contact piece 5, bow spring 7, L terminal 3, L static contact 10, M terminal 13, and M static contact 14 constitute a single-pole, double-pole switch that is controlled by temperature and produces a sudden jump action. Throw the switch. Auxiliary push rod 12, H terminal 4, H static contact 9, auxiliary contact 11, auxiliary contact piece 15, and C terminal 2 fo...

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Abstract

The invention discloses a pressure-type temperature controller which can ensure that no electric current flows from a refrigeration compressor of a refrigerator when the refrigeration compressor is stopped, thus being applicable to the refrigeration compressors of all kinds of refrigerators. In the pressure-type temperature controller, M terminal is added in a switch box based on the current single-pole single-throw pressure-type temperature controller with an auxiliary switch and among the C terminal, L terminal and M terminal are provided with a single-pole double-throw switch which can operate automatically according to the temperature change.

Description

technical field [0001] The invention relates to the technical field of mechanical temperature controllers, in particular to a pressure type temperature controller used in a refrigerator to control the startup and shutdown of a refrigeration compressor and other auxiliary circuits. Background technique [0002] The pressure thermostat is widely used in the refrigeration control of refrigerators. The existing pressure thermostat with auxiliary switch is composed of bellows, pressure plate, temperature adjustment spring, adjustment shaft assembly and switch box assembly in the main body. see figure 1 , figure 2 shown. The switch box assembly consists of switch box 1, C terminal 2, L terminal 3, H terminal 4, moving contact 5, auxiliary contact 6, bow spring 7, moving contact 8, H static contact 9, L static contact 10. An auxiliary contact 11 and an auxiliary push rod 12 are formed. C terminal 2, moving contact 8, moving contact piece 5, bow spring 7, L terminal 3, and L st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H37/38H01H37/64
Inventor 朱裕君谢誉荣
Owner 佛山通宝股份有限公司
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