Coolant reclaiming machine control circuit
A technology for controlling circuits and recovery machines, which is applied to refrigerators, electrical program control, and program control in sequence/logic controllers, etc., and can solve problems such as single function, inconvenience for users, and lack of control circuit system control for refrigerant recovery machines , to achieve the effect of diversified functions
Active Publication Date: 2012-05-23
TAIZHOU LANGXUN MACHINERY
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Problems solved by technology
[0003] However, most refrigerant recovery machines lack a complete set of control circuits for system control, which brings great inconvenience to users.
As a result, the function of the current refrigerant recovery machine is relatively single, and it only has simple recovery and filling functions.
Using the refrigerant recovery machine cannot solve the problems in the air conditioning system, and the maintenance of the air conditioning system is more troublesome
Method used
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[0012] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
[0013] Such as figure 1 As shown, the control circuit of the refrigerant recovery machine includes a central processing unit, a power supply module that supplies power to the entire control circuit, and a memory connected to the central processing unit. Use the keyboard connected to the central processing unit to input operation instructions to the control circuit, while the display shows specific working steps and various working data. The control program and various data are stored in the memory.
[0014] The normal operation of the entire refrigerant recovery machine is controlled by the valve control circuit and the relay control circuit. The central processing unit sends control signals to these two circuits accordin...
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The invention provides a control circuit of a refrigerant reclaiming device, belonging to the refrigerant reclaiming technical field. The invention solves the problems of single function, troublesome maintenance and so on of the prior refrigerant reclaiming device. The control circuit of a refrigerant reclaiming device comprises a central processor, a power source module supplying power to the whole control circuit, and a storage and a signal input and output module which are connected to the central processor, wherein, the central processor is also connected with a valve control circuit for controlling an electromagnetic valve on inner pipelines of the reclaiming device and a relay control circuit for controlling the running of a compressor and a vacuum pump in the reclaiming device; andthe central processor sends control signals to the valve control circuit and the relay circuit so as to control the on / off of the pipelines in the reclaiming device and the working conditions of the compressor and the vacuum pump. The control circuit can complete only needs to a series of work of refrigerant reclamation and injection only according to the operational command inputted by a user. The control circuit of the refrigerant reclaiming device has the advantages of convenience, rapidness, unified control, various functions and so on.
Description
technical field [0001] The invention belongs to the technical field of refrigerant recovery, and relates to a control circuit, in particular to a control circuit of refrigerant recovery equipment. Background technique [0002] In the prior art, automobile air conditioners, central air conditioners, cold storages, refrigerators, etc. all have the problem of maintenance of refrigeration equipment, and it is necessary to use special equipment to clean and add refrigerant to the air conditioning system every once in a while. The refrigerant recovery machines currently on the market are designed for this purpose. Depending on the design of each manufacturer, most of the refrigerant recovery machines currently on the market have the functions of refrigerant recovery, vacuuming, and refrigerant filling. [0003] However, most refrigerant recovery machines lack a complete set of control circuits for system control, which brings great inconvenience to users. This has resulted in the...
Claims
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IPC IPC(8): F25B45/00G05B19/04
Inventor 冯纪方
Owner TAIZHOU LANGXUN MACHINERY