Annular passive contact type built-in temperature measuring device

A temperature measurement device and contact technology, applied in the field of temperature measurement, can solve the problems of large loss, error, temperature loss, etc., and achieve the effect of accurate measurement

Inactive Publication Date: 2016-10-26
杨志强
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Most of the existing technology is to measure the temperature of the outer surface of the cable. The measured object and the sensor are separated by the cable insulation layer, resulting in a large loss of temperature and a large error. The temperature measuring device is prone to accelerated weathering and corrosion in the harsh external environment for a long time. , oxidation and other aging failures. In recent years, some new technologies have appeared in the industry such as active wired temperature measurement. The internal battery is used to provide power to maintain temperature measure

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Embodiment Construction

[0026] Below, in conjunction with accompanying drawing and specific embodiment, the present invention is described further:

[0027] The invention provides an annular passive contact type built-in temperature measuring device, which is applied to the detection of cables, and the structure provided by the invention can be placed inside the cable to detect the wire core inside the cable. see Figure 1 to Figure 4 , the present invention includes a U-shaped frame 1 and a C-shaped frame 2, and the U-shaped frame 1 and the C-shaped frame 2 are connected to form a quasi-circular ring. The ring-like structure is set to better adapt to the shape inside the cable.

[0028] A cavity is provided in the U-shaped frame 1, and a temperature measuring mechanism 3 is installed in the cavity. The temperature measuring mechanism 3 includes a PCB board 31, a metal block 32, and an RFID temperature measuring chip 33. The PCB board 31 is provided with a controller, the metal block 32 is fixedly con

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Abstract

The invention discloses an annular passive contact type built-in temperature measuring device which comprises a U-shaped bracket and a C-shaped bracket. The U-shaped bracket is connected with the C-shaped bracket for forming a similar regular ring. The U-shaped bracket is internally provided with a chamber in which a temperature measuring mechanism is mounted. The temperature measuring mechanism comprises a PCB, metal blocks and an RFID temperature measuring chip. The PCB is provided with a controller. The metal block is fixedly connected with the PCB. The RFID temperature measuring chip is fixed on the PCB and corresponds with the position of the metal block. The RFID temperature measuring chip is connected with an RFID antenna. Furthermore the RFID temperature measuring chip is connected with the controller through the RFID antenna. The inside wall of the U-shaped bracket is provided with gaps. The metal blocks extend out of the gaps. The metal blocks are used for contacting with a measured wire core. The RFID temperature measuring chip is used for detecting the temperature of the metal block. The annular passive contact type built-in temperature measuring device realizes passive driving, no requirement for lead connection, and higher measurement accuracy.

Description

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Claims

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Application Information

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Owner 杨志强
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