A constant pressure contact sensor

A contact sensor and pressure technology, applied in the field of measurement, can solve the problems of poor detection accuracy and inability to provide constant pressure, and achieve the effect of constant contact force and accuracy.

Active Publication Date: 2019-07-26
东营新瑞石油科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the object of the present invention is to provide a constant pressure contact sensor to solve the problem of poor detection accuracy caused by the inability to provide constant pressure in the prior art

Method used

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  • A constant pressure contact sensor

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Embodiment Construction

[0015] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0016] Such as figure 1 As shown, a constant pressure touch sensor includes a touch sensor 1, an imaging device, a pressure applying device, a mobile device and a constant pressure control system. The touch sensor can be a stress, speed or acceleration sensor, and the pressure applying device includes a support Frame 6 and the extension and lowering mechanism fixed on the support frame, the mobile device is a motor vehicle 4, the support frame is detachably fixed on the motor vehicle by screws or bolts, and the extension and lowering mechanism can be an existing oil cylinder or air cylinder or an electric push rod. Technology, the extension and lowering mechanism of the present embodiment is an oil cylinder 7, the piston of the oil cylinder and the contact sensor are detachably connected in the vertical direction, and the piston is passed t...

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Abstract

The invention discloses a constant-pressure contact type sensor, belonging to the field of measurement technologies. The constant-pressure contact type sensor comprises a contact type sensor, an imaging device, a pressure applying device, a moving device and a constant-pressure control system, wherein the pressure applying device comprises a supporting frame and a lifting mechanism fixed on the supporting frame, the moving device is a motor vehicle, the supporting frame is detachably fixed on the motor vehicle by means of fasteners, the contact type sensor is fixed on the lifting mechanism, the lifting mechanism is an oil cylinder, and the imaging device comprises a scanner which is arranged on the motor vehicle and used for forming an image of a detected surface. The constant-pressure contact type sensor can realize detection of the sensor through the lifting function of the pressure applying device, and provides accurate ground information by means of the imaging device, so that the constant-pressure control system can provide more precise real-time information for the pressure applying device, thereby ensuring that a contact force between the sensor and the detected surface is constant, and finally guaranteeing the accuracy of detection results.

Description

technical field [0001] The invention belongs to the technical field of measurement, and in particular relates to a constant pressure contact sensor. Background technique [0002] Contact sensors must be in contact to transmit signals, and the quality of contact with the object to be detected is a direct factor that affects signal transmission and thus detection accuracy. Therefore, how to improve the contact quality is the key link to improve the detection accuracy. [0003] The existing sensors basically use hand-held sensors for mobile detection. There are two problems in this scheme: one is that the hand-holding force is not accurate enough, and it is difficult to ensure a constant pressure coupling with the detected object to obtain more accurate test results; The moving distance and speed are limited, and it is difficult to conduct a thorough test for a large test object due to the limitations of the tester's own conditions; there is also a fixed sensor for detection, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D21/00
CPCG01D21/00
Inventor 胡明飞
Owner 东营新瑞石油科技有限责任公司
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