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Humidity detection method for domestic refuse

A technology for domestic waste and humidity detection, applied in the direction of material resistance, etc., can solve the problems of increasing the cost of humidity detection, unable to reflect the overall humidity level of domestic waste, and not suitable for humidity detection of domestic waste, so as to save the cost of detection. Effect

Inactive Publication Date: 2006-09-27
宁波通用塑料机械制造有限公司
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Problems solved by technology

[0004] However, neither the traditional humidity sensor nor the improved high-precision humidity sensor is suitable for detecting the humidity of domestic waste. There are two reasons: one is that the humidity of the domestic waste is uneven, and the humidity sensor can only be placed in the For a specific location, the detection result can only reflect the condition of the detection point, but cannot reflect the overall humidity level of domestic waste; second, the humidity detection of domestic waste does not need too high precision, and generally only needs to reflect the humidity level of the household waste. The three humidity states of , moderate and dry can meet the requirements, so the additional humidity detector will undoubtedly increase the cost of humidity detection

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Embodiment Construction

[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0015] Such as figure 1 , figure 2 As shown in the figure, a method for detecting the humidity of domestic waste involves directly placing two conductive probes 1 at two different positions in the treatment tank 2, and the different positions of the two conductive probes are adjacent to the space occupied by the domestic waste to be tested. on the opposite edge. By applying an external voltage Ux between the two conductive probes, connect the conductive probe 1 and the processing chip 4 through the wire 3, and directly measure the impedance Rx of the domestic waste to be tested, so that according to the law that the lower the impedance, the greater the humidity , to obtain the humidity of the domestic garbage to be tested.

[0016] The impedance of the domestic waste to be tested is measured by the following method. Take a sampling resisto...

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Abstract

This invention relates to a humidity detection method for domestic refuse. Wherein, inserting two electric probes into different positions of the target, forcing n exterior voltage U1 between probes, and measuring directly resistance of the garbage to obtain its moisture. Compared with prior art, This invention can get entire garbage moisture without extra sensor to reduce cost greatly.

Description

technical field [0001] The invention relates to a method for detecting humidity, in particular to a method for detecting humidity of domestic garbage. Background technique [0002] The traditional humidity detection method is to use a humidity sensor to obtain the humidity value through its output voltage corresponding to the humidity. The output characteristic curve of the conventional humidity sensor shows a linear growth trend, that is, the output voltage of the humidity sensor changes continuously with the change of humidity. Change. [0003] The improvement of various existing humidity detection technologies all focuses on how to further improve the detection accuracy. For example, the Chinese invention patent application "Apparatus and Method for Detecting Humidity" with application number ZL99125980.7 (publication number CN1259664A) discloses A humidity detection device and method that can realize high-precision detection, the humidity detection device includes a vol...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/12
Inventor 项福保何勇徐定俊赵红雷
Owner 宁波通用塑料机械制造有限公司