PLC-based automatic testing device for train air conditioner control panel
An automatic test device and control panel technology, applied in program control, general control system, electrical test/monitoring, etc., can solve the problems of large workload and time occupation of control panel line checking and debugging, and achieve fast speed and low labor , high-accuracy effect
Active Publication Date: 2021-04-09
NANJING ZHIZHUO ELECTRONICS TECH
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Problems solved by technology
The air conditioner control panel has a large number of components and corresponding wiring. The workload of checking and debugging the control panel is large, which takes up a lot of time in the entire production cycle and brings many uncertain factors to the progress of the project.
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[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0042] see Figure 1-11 , the present invention provides technical solutions:
[0043] A PLC-based automatic test device for train air-conditioning control panels, including host computer network cable interface 1, 380V power interface 2, 220V power interface 3, power control register serial port 4, RS232 communication serial port 5, three-phase electrical detection serial port 6, direct connection Signal serial port 7, rotary monitoring serial port 8, light ...
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The invention discloses a PLC-based automatic testing device for a train air conditioner control panel.An upper computer automatically initializes a monitoring device and a detection device after the automatic test device is normally installed, and debugging personnel modify and define gear information and communication address information according to display data returned by initialization of the upper computer, and the upper computer performs item-by-item control and inspection according to the test strategy to obtain control information and inspection information to complete inspection. Automatic testing of the train air conditioner control panel can be automatically completed only by connecting the serial port and the interface, installing the monitoring device and the detection device and modifying and defining the gear information and the communication address information by debugging personnel. The automatic testing device also has the advantages of being small in manual operation, capable of saving a large amount of labor time, high in automatic testing speed and high in efficiency.
Description
technical field [0001] The invention relates to the technical field of control panel testing, in particular to a PLC-based automatic testing device for train air-conditioning control panels. Background technique [0002] As the core equipment of train air-conditioning control, the air-conditioning control panel participates in the functional operation of air-conditioning fans, condensers, compressors and other equipment, and plays a decisive role in the operation of the air-conditioning system. The air conditioner control panel has a large number of components and corresponding wiring. The workload of checking and debugging the control panel is large, which takes up a lot of time in the entire production cycle and brings many uncertain factors to the progress of the project. The purpose of developing an automatic test device is to reduce manpower and time, and complete the work of checking lines and debugging. PLC has been widely used in the industry, and the development of...
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IPC IPC(8): G05B23/02
CPCG05B23/0224G05B2219/24065
Inventor 吴晓晴刘啸张步平傅宗俊李齐龙
Owner NANJING ZHIZHUO ELECTRONICS TECH