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A Sputtering Thin Film Pressure Transmitter

A sputtering thin film and transmitter technology, applied in the field of sensors, can solve the problems of poor anti-interference effect, achieve the effects of improving stability, suppressing high-frequency common-mode interference, and improving reliability

Active Publication Date: 2021-10-29
NINGBO CRRC TIMES TRANSDUCER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although, in the pressure transmitter described above, although the metal shield is used to achieve signal interference, its anti-interference effect is not good

Method used

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  • A Sputtering Thin Film Pressure Transmitter
  • A Sputtering Thin Film Pressure Transmitter
  • A Sputtering Thin Film Pressure Transmitter

Examples

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Embodiment Construction

[0035] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0036] Such as Figure 1 to Figure 7 As shown, a sputtering film pressure transmitter provided by the present invention includes, from top to bottom: an upper case assembly 100 , a circuit board assembly 200 and a lower case assembly 300 , and the connection between the upper case assembly 100 and the circuit board assembly 200 The electrical connection is formed through the first pin 400, the electrical connection is formed between the lower case assembly 300 and the circuit board assembly 200 through a gold wire 500, and the upper case assembly 100 and the lower case assembly 300 are fixed by welding, wherein the circuit board assembly 200 includes a pin bracket 210, and along the thickness direction of the pin bracket 2...

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Abstract

The invention provides a sputtering film pressure transmitter, which belongs to the technical field of sensors, and comprises from top to bottom: an upper shell assembly, a circuit board assembly and a lower shell assembly, and the upper shell assembly and the circuit board assembly pass through the first A pin forms an electrical connection, the lower shell component and the circuit board component form an electrical connection through a gold wire, and the upper shell component and the lower shell component are fixed by welding. A sputtering film pressure transmitter provided by the present invention realizes anti-reverse connection and suppression of interference signals such as surge, pulse group, conduction, and radiation through the power supply protection circuit board. In addition, the power supply protection in the circuit board assembly The circuit board, the signal processing circuit board and the signal transfer circuit board are all fixed by a purely mechanical structure, which is different from the colloidal fixing method in the prior art, avoiding the high temperature melting of the colloid, affecting the reliability of the transmitter, and improving the reliability of the transmitter. Transmitter use stability.

Description

technical field [0001] The invention belongs to the technical field of sensors, and relates to a transmitter, in particular to a sputtering film pressure transmitter. Background technique [0002] Pressure transmitter is the most commonly used sensor in industrial practice, suitable for industrial self-control environment, used to measure the pressure of liquid, gas or steam, etc. The pressure transmitter is mainly composed of a load cell sensor, a module circuit, a display head, a watch case and connectors, etc. It can convert the gas, liquid and other pressure signals received by the load cell sensor into a standard current and voltage signal. [0003] Chinese patent (CN210400699U) discloses a pressure transmitter, a pressure detection device and construction machinery. The pressure transmitter includes an electrical connector and a pressure nozzle that are connected to each other. For the pressure sensitive element detecting the pressure in the pressure detection channel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L19/00G01L19/06G01L19/14
CPCG01L19/0069G01L19/06G01L19/069G01L19/143G01L19/145G01L19/147G01L19/148
Inventor 张燕亮郑良广张林伟张曙坚金波
Owner NINGBO CRRC TIMES TRANSDUCER TECH CO LTD
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