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Temperature sensor integrated with electrostatic discharge function

A technology of temperature sensor and integrated static electricity, which is applied in the direction of thermometers, thermometers, and parts of thermometers that use directly heat-sensitive electric/magnetic elements, and can solve the problems of increased component costs and high carbon fiber costs, and achieve cost increases. Effect

Pending Publication Date: 2020-02-28
苏州达菲特过滤技术股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the proportion of carbon fiber needs to be increased by more than 15%, so that the cost of conductive parts should be the high cost of carbon fiber, which doubles the cost of parts, so it is also important to explore more economical conductive technology solutions

Method used

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  • Temperature sensor integrated with electrostatic discharge function
  • Temperature sensor integrated with electrostatic discharge function
  • Temperature sensor integrated with electrostatic discharge function

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Effect test

Embodiment 1

[0020] A temperature sensor with integrated electrostatic discharge function, the design scheme is as follows:

[0021] Such as figure 1 and 2 As shown, the temperature sensor with integrated electrostatic discharge function consists of seven parts:

[0022] 1. The temperature sensor housing 1 is used to arrange other components, and the gap of the housing is filled with black electronic glue.

[0023] 2. There are three temperature sensor electrodes 2, two of which are connected with thermistor leads 6 to transmit the temperature resistance; one is connected with the heat conduction cap lead 7 to transmit static charges.

[0024] 3. The sealing ring 3, the sensor is installed on the plastic filter for sealing.

[0025] 4. The heat conduction cap 4 is in direct contact with the diesel in the fuel system for temperature transfer.

[0026] 5. Thermistor 5 directly senses the temperature of the fuel, and the resistance value changes with the temperature.

[0027] 6. The lead...

Embodiment 2

[0031] The micro-end of the temperature sensor housing 1 is designed with an electrical interface in the form of a connector, which can be mated with the electrical interface of the whole vehicle. Two of the electrodes deliver a resistive signal and one electrode delivers an electrical charge. During the working process, the temperature sensitive resistor 5 senses the temperature change in the fuel, and outputs it to the electrical system of the diesel engine through the electrodes. The heat conduction cap 4 is a conductive element, which is connected to the ground terminal of the diesel engine through an electrode to discharge the charge.

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Abstract

The invention discloses a temperature sensor integrated with an electrostatic discharge function. The temperature sensor is configured on a fuel engine filter and comprises electrodes arranged in a shell body, wherein the shell body is separably combined on the fuel engine filter; the shell body comprises an end part arranged in the fuel engine filter in a matched manner; a sealing ring sleeves the end part and is used for being hermetically mounted with the fuel engine filter; the end part is provided with a heat conduction cap in direct contact with fuel oil, and a temperature-sensitive resistor is arranged in the heat conduction cap in a contact manner; a first electrode, a second electrode and a third electrode are arranged in the shell body; the first electrode is connected to the heat conduction cap by means of a lead wire; the second electrode and the third electrode are connected to the temperature-sensitive resistor by means of lead wires; electronic glue is filled in a structural gap in the inner cavity of the shell body; the temperature sensor is further provided with an electrical interface for external connection; and the first electrode, the second electrode and the third electrode are arranged in the electrical interface. The temperature sensor can meet the electrostatic discharge requirement of the plastic filter and can release electrostatic charges generated in diesel oil.

Description

technical field [0001] The invention relates to the technical field of engine electrostatic discharge treatment, in particular to a temperature sensor integrated with electrostatic discharge function. Background technique [0002] A phenomenon in which electrostatic charges may be generated when bulk non-conductive substances move toward each other in shear mode. For example, in the fuel system of an engine, when diesel oil flows in the pipeline, a large amount of electrostatic charge will be generated. If it is not released in time, electric sparks will be generated, causing safety accidents. [0003] Due to the flammable characteristics of gasoline, gasoline engines have begun to widely apply electrostatic discharge technology. From fuel pipelines to filters to fuel tanks, relevant electrostatic discharge links are designed for each position. According to the National V emission regulations and previous domestic diesel engine applications, the static electricity problem h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K7/16G01K1/08G01K1/00G01K1/16
CPCG01K7/16G01K1/08G01K1/00G01K1/16
Inventor 朱晓明陈卫
Owner 苏州达菲特过滤技术股份有限公司