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A tank truck grounding detection system and method

A ground detection and tanker technology, applied in ground resistance measurement, short circuit test, capacitance measurement, etc., to improve flexibility and adaptability, ensure safety, and avoid leakage alarms

Active Publication Date: 2022-08-02
瑞尔安全(北京)技术有限公司
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Problems solved by technology

[0005] In order to solve the above-mentioned problems existing in the prior art, the present invention proposes a tank car grounding detection system and method, which can not only prevent the poor electrical conduction between the grounding body and the tank car parts, but also accurately identify the electrical conductivity between the tank car parts and the tank body , to avoid the phenomenon of "false pick-up" and ensure that the tanker is effectively grounded

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  • A tank truck grounding detection system and method
  • A tank truck grounding detection system and method
  • A tank truck grounding detection system and method

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Embodiment Construction

[0033] In order to describe the technical solutions and purposes of the present invention more clearly and clearly, the present invention is further described in detail below. The specific implementation methods described herein are only used to explain the present invention, and are not used to limit the present invention.

[0034] As we all know, due to the insulating effect of air, any conductor and the ground have a "ground capacitance", the size of which mainly depends on the conductor's ground-to-ground area and the ground-to-ground distance. The ground-to-ground capacitance is proportional to the conductor's ground-to-ground area, and Ground distance is inversely proportional. Due to the insulating effect of the tires of the tank car, both the tank body and the parts of the tank car have the above-mentioned "earth capacitance" with the ground. The ground area of ​​the tank body is much larger than that of the tank car parts, so the ground capacitance of the tank body i...

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Abstract

The invention discloses a tank truck grounding detection system and method. The system comprises: a truck connection connector connected with a tank truck component, a grounding connector connected with a grounding body; an on-off connector respectively connected with the truck connection connector and the grounding connector A switch; a detection module and a change-over switch arranged in series between the vehicle-connecting connector and the grounding connector; a central processing unit connected with the detection module; the detection module includes a parallel resistance detection unit and a capacitance detection unit; the central processing unit is used for connecting with the detection module. The transfer switch, the on-off switch, the resistance detection unit and the capacitance detection unit constitute a resistance detection circuit and a capacitance detection circuit; according to the double detection of the on-resistance and the capacitance to the ground, it is determined whether the tanker is effectively grounded. By using the invention, the phenomenon of "false pickup" can be avoided, and the effective grounding of the tanker can be ensured.

Description

technical field [0001] The invention relates to the technical field of grounding, in particular to a system and method for grounding detection of a tanker. Background technique [0002] The loading and unloading process of flammable and explosive materials will generate a lot of static electricity, and once the static electricity accumulates, it is easy to cause combustion or even explosion. In order to prevent the hidden danger of static electricity accidents, it is necessary to connect the tank car to the grounding body equipotentially to discharge static electricity during the loading and unloading operation of the tank car, and at the same time monitor the grounding condition of the tank car in real time. [0003] Existing ground detection systems usually use figure 1 The "on-resistance" detection principle shown is by detecting the on-resistance between the grounding body and the tanker and comparing it with a preset resistance threshold. When the on-resistance is low...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/52G01R27/20G01R27/26
CPCG01R27/20G01R27/2605
Inventor 雒海隆王喆井瑞鑫郝婷
Owner 瑞尔安全(北京)技术有限公司
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