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Ultrasonic heat meter temperature sensor anti-wire-twisting device

A temperature sensor and sensor technology, applied in measuring devices, calorimeters, measuring heat, etc., can solve the problems of reducing the service life of wires and temperature sensors, and achieve the effect of simple structure and simple and fast installation

Inactive Publication Date: 2016-07-20
WEIHAI BOYANG ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the internal and external wires of the temperature sensor of the ultrasonic heat meter need to be connected in advance to play a sealing role. At this time, the rotation caused by the installation will twist the internal and external wires together, which greatly reduces the wire and temperature sensor. service life

Method used

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  • Ultrasonic heat meter temperature sensor anti-wire-twisting device

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Effect test

Embodiment Construction

[0010] Such as figure 1 As shown, a sensor cavity 6 is provided, a sensor cover 1 is installed on the upper end of the sensor cavity 6, a wire outlet 9 is processed on one side of the sensor cavity 6, a tubular sensor guide rod 7 is connected to the lower end of the sensor cavity 6, and the sensor guide The inner cavity of the rod 7 communicates with the sensor cavity 6, the sensor guide rod 7 is fixed with a stopper 3, the sensor guide rod 7 at the lower end of the stopper 3 is covered with a gasket 4, and the gap between the stopper 3 and the sensor cavity 6 The sensor guide rod 7 is covered with a live nut 2, the lower end of the sensor guide rod 7 is inserted into the through hole of the base 5, the sensor is installed in the base 5, the live nut 2 and the base 5 are threaded together, and the lower end of the wire 8 Connected with the sensor, the upper end of the wire 8 passes through the inner cavity of the sensor guide rod 7 and the sensor cavity 6 from the wire outlet ...

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Abstract

The invention relates to an ultrasonic heat meter temperature sensor anti-wire-twisting device and belongs to the field of an ultrasonic heat meter. The device is provided with a sensor cavity. The device is characterized in that a sensor cover is mounted on the upper end of the sensor cavity; one side of the sensor cavity is provided with a wire outlet; the lower end of the sensor cavity is connected with a tubular sensor guide rod; the inner cavity of the sensor guide rod is communicated with the sensor cavity; the sensor guide rod is fixedly provided with a baffle piece; the sensor guide rod between the baffle piece and the sensor cavity is sleeved by a movable nut; the lower end of the sensor guide rod is inserted into a through hole in a base; the base is internally equipped with a sensor; the movable nut and the base are screwed together through a thread; the lower ends of wires are connected with the sensor; and the upper ends of the wires pass through the wire outlet through the sensor guide rod inner cavity and the sensor cavity.

Description

technical field [0001] The invention relates to the field of ultrasonic heat meters, in particular to an anti-twisting device for a temperature sensor of an ultrasonic heat meter. Background technique [0002] As we all know, the ultrasonic heat meter measures the flow rate and displays the water flow through the ultrasonic method, and is an instrument that releases or absorbs heat energy through the heat exchange system. It uses the physical quantities measured by two sensors - the flow rate of the heat carrier and the temperature of the inlet and outlet, and then through the compensation and integral calculation of the density and enthalpy value, the calorific value can be obtained. However, the internal and external wires of the temperature sensor of the ultrasonic heat meter need to be connected in advance to play a sealing role. At this time, the rotation caused by the installation will twist the internal and external wires together, which greatly reduces the wire and t...

Claims

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Application Information

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IPC IPC(8): G01K17/10
CPCG01K17/10
Inventor 史雪丽吕凯军张国文
Owner WEIHAI BOYANG ELECTRONICS
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