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A flexible pressure detection device

A detection device and pressure technology, applied in the direction of hydraulic/pneumatic measurement, etc., can solve the problem of difficult to accurately measure the size of the force, and achieve the effect of strong shape plasticity and small volume

Active Publication Date: 2019-01-08
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem in the prior art that the average force per unit area can be measured, but it is difficult to accurately measure the force, the present invention further provides a flexible pressure detection device

Method used

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  • A flexible pressure detection device
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specific Embodiment approach 1

[0010] Specific implementation mode 1: Combination Figure 1-Figure 2 To explain this embodiment, a flexible pressure detection device described in this embodiment includes an upper support member 1, an upper sealing plate 2, a flexible sleeve body 4, a pressure film sensor 5, a lower support member 6, a lower sealing plate 7, The one-way inlet valve 8 and the one-way exhaust valve 9, the upper support 1 and the lower support 6 are both annular bodies, the inner side wall of the bottom end of the upper support 1 is machined with a first annular boss 1-1, and the lower support The inner side wall of the top end of the member 6 is processed with a second annular boss 6-1, the upper sealing plate 2 is arranged on the inner side wall of the upper supporting member 1, and the upper sealing plate 2 is in sealing connection with the inner side wall of the upper supporting member 1, and the lower sealing The plate 7 is arranged on the inner side wall of the lower support 6, and the low...

specific Embodiment approach 2

[0011] Specific implementation manner two: combination Figure 1-Figure 2 To explain this embodiment, the flexible pressure detection device described in this embodiment also includes two one-way valve sealing covers 3, and a one-way valve sealing cover 3 is installed on the one-way inlet valve 8 for one-way air extraction. Another one-way valve sealing cover 3 is installed on the valve 9, and the other structure is the same as the first embodiment.

specific Embodiment approach 3

[0012] Specific implementation mode three: combination Figure 1-Figure 2 To illustrate this embodiment, in the flexible pressure detection device described in this embodiment, the soft cover body 4 is made of an ultra-thin soft nano cloth that is elastic and does not leak liquid, and other structures are the same as the first embodiment.

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Abstract

The invention discloses a flexible pressure detection device. The invention relates to a flexible pressure detection device and aims at solving the problem of the prior art that the unit-area average force can be measured but the magnitude of the force is hard to accurately measure. The flexible pressure detection device comprises an upper support member, an upper sealing plate, a soft sleeve body, a pressure film sensor, a lower support member, a lower sealing plate, a one-way liquid-in valve and a one-way extraction valve, wherein the upper support member and the lower support member are both a ring body; the upper sealing plate is arranged on the inner side wall of the upper support member; the lower sealing plate is arranged on the inner side wall of the lower support member; the one-way liquid-in valve and the one-way extraction valve are both fixed on the lower sealing plate; the upper end of the soft sleeve body is in sealed connection with the bottom end of the upper support member; the lower end of the soft sleeve body is in sealed connection with the top end of the lower support member; and the pressure film sensor is fixed on the upper end surface of the lower sealing plate. The flexible pressure detection device disclosed by the invention is used for measuring the unit-area average force.

Description

Technical field [0001] The invention relates to a flexible pressure detection device. Background technique [0002] At present, pressure detection devices are widely used in various large-scale equipment, mainly to achieve pressure measurement between contact surfaces. There are many ways to make pressure sensors, mainly strain beams and thin film pressure sensors. However, these two methods are difficult to measure the average force per unit area in a space with limited volume and range of motion. Other sensors configured through spiral pipelines in the form of gas or liquid can achieve average per unit area. For force measurement, it is difficult to accurately measure the force. Therefore, it is necessary to provide a detection device that can accurately measure the average force per unit area. Summary of the invention [0003] In order to solve the problem that the average force per unit area can be measured in the prior art, the present invention is also difficult to accurat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L1/02
CPCG01L1/02
Inventor 朱延河张国安张宗伟
Owner HARBIN INST OF TECH
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