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Variable frequency air conditioner detecting instrument

A frequency conversion air conditioner and detector technology, which is applied in the direction of instruments, measuring devices, and machine/structural component testing, can solve the problems of research and development of frequency conversion air conditioners, difficult after-sales maintenance, complex functions of frequency conversion air conditioners, and high control technology requirements. Ingenious design, powerful functions, simple research and development effects

Inactive Publication Date: 2009-06-24
GUANGDONG MIDEA ELECTRIC APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the inverter air conditioner has complex functions and high control technology requirements, so the research and development and after-sales maintenance of the inverter air conditioner are more difficult, complicated and heavy workload

Method used

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Embodiment

[0018] The principle block diagram of the present invention is as figure 1 As shown, it includes a central processing unit 1, a host computer communication circuit 2, a digital tube display circuit 3, a key selection circuit 4, a communication port 6 and a communication line group 7, a digital tube display circuit 3, a key selection circuit 4 and a central processing unit 1, the central processing unit 1 is connected to the upper computer through the upper computer communication circuit 2 and the communication port 6, and the central processing unit 1 is connected to the inverter air conditioner electronic control system through the communication line group 7.

[0019] Above-mentioned upper computer communication circuit part 2 comprises control chip IC2, two optocouplers IC3, IC4, and control chip IC2 carries out isolated communication with central processing unit 1 through two optocouplers IC3, IC4, and communication port 6 is connected with IC2, And the communication port 6...

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Abstract

The invention provides a detector which is used for function debugging, operational parameter detection and failure monitoring of an inverter air conditioner. The detector comprises a central processing unit, a host computer communication circuit, a nixietube display circuit, a button selective circuit, a communication port and a communication line group; the nixietube display circuit and the button selective circuit are connected with the central processing unit; the central processing unit is connected with a host computer through the host computer communication circuit and the communication port; and the central processing unit is connected with the electric control system of the inverter air conditioner through the communication line group. By applying the invention, the operational frequency of the inverter air conditioner, the wind speed of a DC blower, the divergence of an electronic expansion valve and the switching on / off of a four way valve can be set conveniently and quickly, so that the parameter debugging can be facilitated during the process of the development of the inverter air conditioner. Furthermore, by employing the invention, the operational parameters of the inverter air conditioner, including the operational frequency, the target frequency, various temperature sampling values, and the rotating speed of the blower, can be observed, and the data can be displayed in the form of a curve. In addition, the operational failure of the inverter air conditioner can be observed by applying the invention, and the information about the latest ten shutdown incidents is accessible.

Description

technical field [0001] The invention relates to a frequency conversion air conditioner detector used for function debugging, operation parameter detection and fault monitoring of frequency conversion air conditioner, which belongs to the transformation technology of frequency conversion air conditioner detector. Background technique [0002] The existing frequency conversion air conditioner is more and more favored by consumers because of its advantages of power saving and comfort. The frequency conversion air conditioner is the development trend of the air conditioner industry. However, inverter air conditioners have complex functions and high control technology requirements, so the research and development and after-sales maintenance of inverter air conditioners are more difficult, complicated, and heavy workload. Therefore, a device is needed to solve the difficulties encountered in the research, development and after-sales maintenance of the inverter air conditioner, so ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M19/00G01M99/00
Inventor 李强孙铁军罗宇华
Owner GUANGDONG MIDEA ELECTRIC APPLIANCES CO LTD
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