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Programmable test controller, user program method and control method of components and parts

A programming method and controller technology, which is applied to program control, electrical program control, computer control, etc. in sequence/logic controllers, can solve the problem of high operating costs, large test sites, low average utilization rate of equipment, and complex programming and other issues to achieve the effect of strong applicability

Inactive Publication Date: 2009-01-28
HISENSE HOME APPLIANCES GRP CO LTD
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Problems solved by technology

[0005] 1) For the special test equipment, although it can solve the simulated working conditions of the test parts and interact with the tested parts synchronously, it can only be used for one kind of part test. For 30 kinds of part tests all the year round, a large test site is required and Average device usage is low
[0006] 2) The test control function can be achieved by adopting the environmental test chamber processing industry PLC in the existing market, but the environmental test chamber is not tailored to the tested components, the operating cost is high, and the programming is complicated

Method used

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  • Programmable test controller, user program method and control method of components and parts
  • Programmable test controller, user program method and control method of components and parts

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Embodiment Construction

[0027] The programmable test controller of the present invention plus external functional parts can generate test working conditions of various electrical parts and synchronous interactive control of tested parts. The specific embodiment of the present invention will be described in detail below by taking the component test of a refrigerator as an example.

[0028] Refrigerator products are equipped with thermostats, temperature sensors, fan motors and other components according to the configuration and function requirements, electromagnets with ice crushing function, refrigeration components of semiconductor refrigerators, etc. When conducting reliability tests of the above various components, usually Voltage, temperature, humidity, switch state detection, control means and corresponding timing, multi-channel pulse, and dynamic counting control functions are required. Programmable test controller of the present invention adopts the cost-effective single-chip microcomputer of ...

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Abstract

A programmable test controller of component and parts consists of monolithic computer, power support circuit, user input display circuit, signal input collection circuit and output driving circuit for realizing input and execution as well as intelligent judgment of user function command and for carrying out tracking. The controlling method of said controller and user programming method are both disclosed.

Description

technical field [0001] The invention relates to the technical field of test control of electrical devices, more specifically to a user programming method for programmable test controllers of electrical components of products such as refrigerators, ice machines, and freezers. Background technique [0002] The reliability index of key components is an important condition for market access of home appliances. The component reliability test conditions need to be composed of two parts, one is the component test environment; the other is the synchronous interaction under the specific conditions of the tested component. [0003] There are more than 30 types of electrical components for refrigerators, ice machines, freezers, etc., classified according to test methods, and more than ten combined control conditions. The basic conditions of the combined conditions are temperature, humidity, timing, overpressure protection, time-sharing, counting, and position control. [0004] At pre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/05G05B15/02G06F3/023G06F17/00
Inventor 鲍德君王新民
Owner HISENSE HOME APPLIANCES GRP CO LTD
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