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Novel electric short circuit tester

A short-circuit test, electrical technology, used in the preparation of test samples, etc., can solve problems such as inability to accurately control

Active Publication Date: 2011-06-08
SHENYANG FIRE RES INST OF MEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it cannot precisely control the conditions of the short circuit, which may lead to different results when different fire evidence identification laboratories prepare the same samples

Method used

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Embodiment Construction

[0016] Such as figure 1 As shown, a new type of electrical short circuit tester is provided with a sealed furnace 2 on the top of the furnace body 12, and a motor 9 is provided below it, and the motor 9 is placed in the cooling box 8. The output shaft of the motor 9 is connected to the connection post 4. Bottom connection, a sample collection tray 6 is provided at the bottom of the furnace 2, and two electrodes 10 pass through the bottom of the sample collection tray 6, and the two electrodes 10 are respectively located on both sides of the terminal post 4; at one end of the furnace body 12 Side is provided with control device 3.

[0017] The inner wall of the furnace body 12 is provided with an insulating layer, and a heating rod 11 and a thermocouple 1 are also provided inside it.

[0018] The outside of the furnace body 12 is also inserted into the furnace body 12 with an inflatable tube 13 .

[0019] The bottom of the furnace body 12 is also provided with rollers 7 .

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PUM

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Abstract

The invention relates to a novel electric short circuit tester which is used for identifying fire hazard material evidences. The novel electric short circuit tester has the structure that the upper part of a furnace body is provided with a sealed hearth; a motor is arranged below the sealed hearth and is arranged in a cooling box; an output shaft of the motor is connected with the bottom end of a wiring terminal; the bottom of the hearth is provided with a sample catch plate; two electrodes penetrate out of the bottom of the sample catch plate and are respectively positioned on two sides of the wiring terminal; and one end side of the furnace body is provided with a control device. The novel electric short circuit tester has the simple structure, the short circuit condition can be controlled, and the test precision of an identified object is improved.

Description

technical field [0001] The invention relates to a novel electrical short-circuit tester, which is used for identification of fire evidence. Background technique [0002] In recent years, the proportion of electrical fires in the total number of fires and losses has risen sharply, seriously affecting the stability and development of society. It is very important to determine the nature of the fire and find out the cause of the fire in a timely and accurate manner after the fire has occurred. [0003] Fire evidence identification laboratories usually need to prepare standard samples when identifying the melting properties of fire residue metals, and the preparation of standard samples should simulate the actual conditions of the fire scene as much as possible to ensure the accuracy and reliability of the identification results. [0004] At present, in the field of fire evidence identification, there is no device for preparing electrical short-circuit samples, and the preparat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/44
Inventor 王连铁高伟吴莹
Owner SHENYANG FIRE RES INST OF MEM