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Air-conditioning electric saver and its working method

A working method and technology of air conditioners, which are applied in heating methods, electrical program control, space heating and ventilation, etc., can solve the problems of inconvenient installation, removal or maintenance, difficulty in finding the power cord of the compressor, and short service life. Simple structure, convenient installation and low cost

Inactive Publication Date: 2009-03-11
应章强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantage is that the power saver is to control the on-off of the compressor power cord (such as live wire) to control the operation of the compressor. For ordinary users, the compressor power cord is generally not easy to find, and it is often necessary to open the cabinet, which is not easy to install. , demolition or maintenance
In addition, it uses high-power relay contacts to switch, which has short service life, large volume and high cost

Method used

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  • Air-conditioning electric saver and its working method
  • Air-conditioning electric saver and its working method
  • Air-conditioning electric saver and its working method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] As shown in Fig. 1 , the air conditioning appliance of the present invention has a central control unit 1 (a single-chip microcomputer IC1 whose model is HT48R05A-1), a power supply circuit 2, a control output circuit 3 and a toggle switch 4.

[0027] The control output circuit 3 includes a relay J1, a current-limiting resistor R8 and a triode N1; the control output terminal of the central control unit 1 (that is, the PA7 terminal of the single-chip microcomputer IC1) is connected in series with one end of the current-limiting resistor R8, which is the input terminal of the control output circuit 3, and the resistor The other end of R8 is connected to the base of the triode N1, the emitter of the triode N1 is grounded, the collector of the triode N1, that is, the output terminal of the control output circuit 3, is connected to the control terminal of the relay J1, and the power supply terminal of the relay J1 is connected to the power supply circuit 2. In the relay J1, a d...

Embodiment 2

[0044] On the basis of Embodiment 1, this embodiment has the following modifications: as shown in Figure 2, a resistor R3 is set between the common contact COM of the relay J1 and the black lead-out line C, and its value range is: 20KΩ~300KΩ . In this embodiment, the resistor R3 is 100Ω.

Embodiment 3

[0046] On the basis of Embodiment 2, this embodiment has the following modifications: as shown in Figure 3, a resistor R2 is connected in series between the first end A1 of the thermistor RT and the normally open contact NO of the relay J1, and its value range is : 0.1Ω~200KΩ; in this embodiment, the resistance R2 is 10Ω.

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Abstract

An electricity economizer of air-conditioner is prepared as using power supply circuit to provide power onto central control unit and control output circuit, connecting output end of central control unit to input end of control output circuit and connecting output end of control output circuit to detection thermo-sensitive resistance RT of air-conditioner indoor temperature to control operation state of air-conditioner for saving electricity.

Description

technical field [0001] The invention relates to the field of household appliances, in particular to an air conditioner and a working method thereof. Background technique [0002] Most of the existing air conditioners are provided with a room temperature detection thermistor RT (abbreviation: thermistor RT) at the indoor air inlet, and the resistance value of the thermistor RT changes with the change of the ambient temperature. The central controller of the air conditioner controls the working state of the air conditioner according to the resistance change of the thermistor RT. For example: when the air conditioner is in cooling mode, if the room temperature is lower than the set temperature value, the resistance value of the thermistor RT is greater than the resistance value corresponding to the set temperature value, and the air conditioner controls its compressor to stop working , until the room temperature rises and is greater than the set temperature value, the compress...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/02F24F11/00
Inventor 应章强
Owner 应章强