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High-accuracy static extra high pressure sensor and pressure measurement method

An ultra-high pressure, high-precision technology, applied in the field of static ultra-high pressure sensors, can solve the problems of low precision, bulky, limited use, etc., and achieve the effects of rapid response, small size, and easy portability

Inactive Publication Date: 2012-12-12
SHANGHAI INST OF MEASUREMENT & TESTING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a high-precision static ultra-high pressure sensor and a method for measuring pressure, so as to solve the problem that the current ultra-high pressure measuring instruments either have low precision or slow response and are bulky when measuring pressure. limited defects

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  • High-accuracy static extra high pressure sensor and pressure measurement method
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  • High-accuracy static extra high pressure sensor and pressure measurement method

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with specific embodiments and accompanying drawings.

[0031] A high-precision static ultra-high pressure sensor, as attached Figure 5 As shown, the sensor housing 1 is included, and the sensor housing 1 is hermetically closed by the housing cover 2. The housing is an inner cavity 3 resistant to ultra-high pressure, and the inner cavity 3 is provided with a sensing element 4 and a sensor from the sensor. A lead base 5 for drawing electrical signals from the element 4, the sensing element 4 includes a sealed chamber 8 filled with a sensing medium for sensing pressure, and there is a sensing member 6 in the sealed chamber 8, and the sensing member is A rod member wound with a sensing wire, the sensing wire leads out an electrical signal through two lead cones 7 arranged in the lead base 5, and the two lead cones 7 are respectively connected with lead wires, and the lead base 5 is closed The sensing mem...

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Abstract

The invention relates to a pressure sensor, belongs to the field of extra high pressure measurement and particularly relates to a high-accuracy static extra high pressure sensor. The high-accuracy static extra high pressure sensor is characterized by comprising a sensor casing, the sensor casing is sealed by a casing cover, an inner cavity which is resistant to extra high pressure is arranged in the casing, a sensing element and a lead seat are arranged in the inner cavity, the lead seat leads out electrical signals from the sensing element, the sensing element comprises a seal chamber which is filled with sensing media and used for inducing pressure, a sensing component is arranged in the seal chamber, the sensing component is a rod which is wound by sensing metal wires, the sensing metal wires lead out the electrical signals through two lead awls arranged in the lead seat, an insulation layer is arranged between the lead awls and the lead seat, the two lead awls are connected with lead-out electric wires, the lead seat seals the sensing component, and the lead-out electric wires connected with the lead awls are lead out from the middle of the casing cover. The high-accuracy static extra high pressure sensor is rapid in response, light, small in size and capable of guaranteeing high-accuracy measurement.

Description

technical field [0001] The invention relates to a pressure sensor, in particular to a high-precision static ultra-high pressure sensor and a method for measuring pressure by using the ultra-high pressure sensor. Background technique [0002] The pressure range involved in pressure measurement is from a few Pa to more than 2000 MPa, which is usually divided into micro pressure (<10kPa), low pressure (0.01MPa-0.25MPa), medium pressure (0.25MPa-100MPa), high pressure (>100MPa) , Ultra-high pressure (>600MPa). Instruments for measuring pressure include liquid pressure gauges, piston pressure gauges, elastic pressure gauges and electric pressure gauges in terms of their principles. At present, the electrical measuring pressure gauges used for ultra-high pressure measurement include manganese copper resistance pressure gauges, and their structures include film type, foil type and wire type. [0003] Patents CN1303005A and CN1595084A introduce a thin-film ultra-high pres...

Claims

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Application Information

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IPC IPC(8): G01L9/02
Inventor 洪扁潘征宇张进明胡央丽葛振杰冷莹莹
Owner SHANGHAI INST OF MEASUREMENT & TESTING TECH
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