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Non-contact heating temperature controller performance testing device

A non-contact, testing device technology, applied in electrical testing/monitoring, etc., can solve problems such as temperature overshoot, affect test results, and inconsistency with the actual working conditions of the thermostat, and achieve easy control of the temperature rise rate and accurate test detection. , The effect of preventing temperature overshoot

Inactive Publication Date: 2012-11-28
THE INSPECTION & QUARANTINE TECH CENT ZHEJIANG ENTRY EXIT INSPECTION & QUARANTINE BUREAU
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AI Technical Summary

Problems solved by technology

However, this technical solution still has the above three problems: first, there is an obvious temperature overshoot in the system, which affects the accuracy of the test; second, the existence of environmental stress will cause additional drift in the performance of the thermostat, affecting the durability of the thermostat The test and the determination of the drift of the thermostat. Third, due to the existence of cooling air, it does not match the actual working conditions of the thermostat, which in turn affects the test results.

Method used

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  • Non-contact heating temperature controller performance testing device

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Embodiment 1

[0018] A non-contact heating thermostat performance testing device (see attached figure 1), including the thermostat heating test system for sample test heating, the cooling system for cooling the thermostat heating test system, the lower control system for direct control of the thermostat heating test system and cooling system, and the collection of test data The test data system and upper control system of the test data system, the data test end of the thermostat heating test system, and the data test end of the cooling system are all electrically connected to the test data system, and the output end of the test data system is electrically connected to the upper control system. The output end of the lower control system is electrically connected to the input end of the lower control system, and the output end of the lower control system is respectively electrically connected to the control ends of the thermostat heating test system and the cooling system. The thermostat ...

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Abstract

The invention relates to a non-contact heating temperature controller performance testing device, which is capable of well solving the problems affecting the accuracy of tests in the prior art. The key points of the technical scheme are as follows: the device comprises a temperature controller heating testing system for performing sample testing heating, a cooling system for cooling the temperature controller heating testing system, a subordinate control system for directly controlling the temperature controller heating testing system and the cooling system, a test data system for collecting test data and a host control system; the data testing end of the temperature controller heating testing system and the data testing end of the cooling system both are electrically connected to the test data system; an output end of the test data system is electrically connected to the host control system; an output end of the host control system is electrically connected to an input end of the subordinate control system; and an output end of the subordinate control system is electrically connected to control ends of the temperature controller heating testing system and the cooling system, respectively. The non-contact heating temperature controller performance testing device is quite accurate in test detection.

Description

technical field [0001] The invention belongs to detection and monitoring devices, in particular to a temperature controller performance testing device capable of performing accurate testing. Background technique [0002] As an important component of household and similar products, thermostats have attracted much attention in the industry for their reliability and stability. GB14536.1-2008 and GB14536.10-2008 have specific requirements for the durability and accuracy of thermostat Requirements, however, with the development of technology and the improvement of product performance requirements of complete machine manufacturers, the industry's performance requirements for thermostats are also gradually increasing. In addition to the mechanical and electrical life of the thermostat, the time constant of the thermostat , Thermostat manufacturing deviation, drift, reset characteristics, and the influence of ambient temperature change rate on thermostat performance and other techni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02
Inventor 蔡永华唐仁幸张斌
Owner THE INSPECTION & QUARANTINE TECH CENT ZHEJIANG ENTRY EXIT INSPECTION & QUARANTINE BUREAU
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