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Constant temperature node fault self-inspection method

A fault self-checking and node technology, which is applied in the direction of temperature control using electric mode, auxiliary controller with auxiliary heating device, etc., can solve problems such as wrong operation, and achieve the effect of low hardware requirements and easy realization

Active Publication Date: 2015-04-08
东莞市科为机械设备有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0006] However, based on the above two methods, when the temperature sensor fails, it may cause erroneous operation, so it is particularly important to detect node failures such as temperature sensors
[0007] At present, there are also some detection methods, which compare the temperature of all nodes with the preset temperature, but this method requires separate control processing and cannot be detected according to the node itself

Method used

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  • Constant temperature node fault self-inspection method

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Embodiment

[0037] In this embodiment, there are 6 temperature nodes, namely node A, node B, node C, node D, node E and node F, wherein every two nodes are adjacent nodes;

[0038] The distance from node A to node B is 3 meters, the distance from node A to node D is 4 meters, the distance from node A to node C is 2 meters, the distance from node A to node E is 5 meters, and the distance from node A to node F The distance is 6 meters;

[0039] The distance from node B to node C is 7 meters, the distance from node B to node D is 6.2 meters, the distance from node B to node E is 7.1 meters, and the distance from node B to node F is 6.4 meters;

[0040] The distance from node C to node D is 5.1 meters, the distance from node C to node E is 3.2 meters, and the distance from node C to node F is 5.2 meters;

[0041] The distance from node D to node E is 5.3 meters, and the distance from node D to node F is 3.3 meters;

[0042] The distance from node E to node F is 2.6 meters;

[0043] Set the...

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Abstract

The invention discloses a constant temperature node fault self-inspection method. The method comprises: using two adjacent nodes which satisfy a certain distance condition as interaction nodes, selecting a node with most interaction nodes, acquiring the absolute values of temperature differences between the node and the interaction nodes; acquiring the mean value of the absolute values of the temperature differences, and searching the node which has the maximum difference value between the absolute value of the temperature difference and the obtained mean value. The method determines a fault node through detecting temperature data of a plurality of nodes. The method is low in hardware requirement, and is easy to realize.

Description

technical field [0001] The invention belongs to the field of fault automatic detection, and more specifically relates to a constant temperature node fault self-detection method. Background technique [0002] The high-precision constant temperature and humidity laboratory system is mainly used in textile testing systems, paper testing, measurement calibration, paint testing, packaging testing, precision machining, three-coordinate testing, scientific research institutions, etc. As the requirements for quality control become more and more stringent, the demand for constant temperature and humidity environment is increasing, and the application fields are becoming wider and wider. [0003] At present, there are also different methods to maintain a constant indoor temperature. Commonly, the temperature is detected by a temperature sensor and compared with the temperature range required by the constant temperature, so as to control the operation of the air conditioner. [0004] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/30
Inventor 徐花张静雅肖亚韪
Owner 东莞市科为机械设备有限公司