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Electronic thermostat with compressor starting function

A compressor and thermostat technology, which is applied in the direction of using electric mode for temperature control, etc., can solve the problem of not having the compressor starting function and so on.

Active Publication Date: 2012-01-18
SHANGHAI STAR ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an electronic thermostat with a compressor starting function to solve the defect that the existing electronic thermostat does not have a compressor starting function

Method used

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  • Electronic thermostat with compressor starting function
  • Electronic thermostat with compressor starting function
  • Electronic thermostat with compressor starting function

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Embodiment Construction

[0009] figure 2 It is a schematic diagram of an embodiment of the present invention.

[0010] exist figure 2 Among them, L and N are single-phase AC power input lines, Cp is the compressor, and the three input lines S, M, and C of the compressor Cp are the starting winding, the main winding and the common terminal respectively, and P is the overload protector of the compressor. H1 is the heater for temperature compensation of the refrigeration appliance. C1 is a capacitor for step-down; U1 is a single-chip microcomputer; D3, R3, C3, D4, and C4 use the positive half cycle of the AC power supply to form a half-wave rectified and stabilized power supply for the above-mentioned single-chip microcomputer with an electronic thermostat with a compressor starting function Power supply for the control system; D1, D2, R2, and C2 use the negative half cycle of the AC power supply to form a half-wave regulated power supply to provide power for the LED lamp group used for internal ligh...

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Abstract

The invention relates to an electronic thermostat with a compressor starting function, which comprises a power circuit [1], a single-chip microcomputer [7], a compressor switch circuit [3], a compressor starting circuit [2], a temperature compensation circuit [4], a temperature regulation and detection circuit [5] and a light-emitting diode (LED) lamp group [6]. In the thermostat, the single-chip microcomputer forms a control system, the power circuit of the thermostat adopts a capacitor to reduce the voltage, then positive and negative half wave respectively handles, wherein a positive half circumference supplies power to the control system which is formed by the single-chip microcomputer [7] after rectification, filtration and voltage stabilization; a negative half circumference supplies power to the LED lamp group [6] for lighting the inside of a refrigerating device after rectification, filtration and voltage stabilization; and two connecting leads are arranged between the compressor starting circuit [2] and a compressor [Cp], wherein one connecting lead is connected with a compressor starting winding [S] and the other connecting lead is connected with a common end [C] of the compressor starting winding [S] and a main winding [M]. The thermostat realizes the functions of a traditional compressor non-power consumption starter on the electronic thermostat with the very simple circuit, the circuit is simple, the cost is low and the scope of application is wide.

Description

technical field [0001] The invention relates to a temperature control device, in particular to an electronic temperature controller of a small refrigeration appliance. Background technique [0002] At present, there are many schemes for using electronic technology to realize temperature control. Most of the temperature control schemes for small refrigeration appliances use traditional pressure thermostats, which have a single function and only realize temperature control, but because of their low cost, they are widely used. In recent years, with the improvement of living standards, people no longer meet the simple temperature control requirements, and some refrigeration appliances have begun to use single-chip microcomputer control systems. In addition to the temperature control function, it also has many other functions, such as temperature display. , touch buttons, etc., but the control of the compressor of the refrigeration appliance is no different from the control of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/19
Inventor 谭琦谭思怡
Owner SHANGHAI STAR ELECTRONICS TECH
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