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Home appliance safety property combined measuring device

A technology for safety performance and combined testing, applied in the direction of measuring devices, measuring electricity, measuring electrical variables, etc., can solve the problems of inconvenient test data, printing and processing, and achieve the effect of shortening the development cycle, simple combination, and convenient maintenance.

Inactive Publication Date: 2006-08-09
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although PLC is more convenient for logic control, it is inconvenient for test data, printing and processing

Method used

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  • Home appliance safety property combined measuring device
  • Home appliance safety property combined measuring device
  • Home appliance safety property combined measuring device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0047] The overall principle diagram of the system of the present invention is as figure 1 As shown, it includes a mainboard module A and several functional test modules B, and several functional test modules B are connected to the mainboard module A through a serial port C. The motherboard module A mentioned above includes a host A1, a display device A2, an input device A3, a printout module A4, and a serial interface A5. The motherboard module A above also includes an externally expanded memory A6 and a clock module A7. The above-mentioned display device A2 is a monitor, the input device A3 is a keyboard input device, and the printout module A4 is a printer. The host computer A1 of the above-mentioned motherboard module A can be a PC, a notebook computer, or an industrial control computer.

[0048] The system host A1 provides two serial ports A5 and A8, and the photoelectrically isolated serial port is connected to each instrument measurement and control board; the interfa...

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Abstract

The combination test device includes mainboard module, and functional test modules connected to the mainboard module through serial port. The mainboard module includes host, display unit, input unit, printing and output module, serial interface, expanded memory, timing module. The host can be PC, notebook computer or industrial computer. Testing and controlling board of instrument and relevant interface board of instrument accomplish a functional test. Single or multiple functions can be combined quickly by adding or reducing relevant testing and controlling board as well as corresponding interface board in order to add or reduce functional test modules. Advantages are: simple combination, eliminating interference between modules, easy of maintenance, taking full advantage of resources, and shortening cycle for developing produce.

Description

1. Technical field: [0001] The invention is a combination test device for the safety performance of household appliances, which belongs to the innovative technology of the safety performance test device for household appliances. 2. Background technology: [0002] At present, the household appliance safety performance testing device has the following methods for measuring safety performance parameters (insulation resistance, leakage current, grounding resistance, withstand voltage, voltage and current power, and low-voltage start-up): [0003] 1) In the past, a special system composed of relay control and a single-chip microcomputer measurement and control was used. The hardware modular design was not used, and new functions needed to be re-developed, which lengthened the product development cycle; using this design method, the previous development When personnel change, subsequent developers will spend a lot of time and energy getting familiar with unfinished products, resul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G01D21/02
Inventor 汪仁煌严仍友
Owner GUANGDONG UNIV OF TECH
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