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Embedded sliding bearing lubricating film pressure wireless sensing and monitoring device

A sliding bearing and wireless sensing technology, which is applied in circuit devices, the measurement of properties of piezoelectric resistance materials, emergency power supply arrangements, etc.

Active Publication Date: 2022-06-17
SHAANXI SCI TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitation of application occasions, the research and application of the rotary type are less, and the existing products cannot be better applied in the wireless sensor monitoring of sliding bearings.

Method used

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  • Embedded sliding bearing lubricating film pressure wireless sensing and monitoring device
  • Embedded sliding bearing lubricating film pressure wireless sensing and monitoring device
  • Embedded sliding bearing lubricating film pressure wireless sensing and monitoring device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] like figure 1 As shown, the sliding bearing includes a bearing seat 5, a rotating machine shaft 1, an alloy bearing housing 3, and a left end cover 4 and a right end cover 2 located at both ends of the bearing. The rotating machine shaft 1 is sleeved with a bearing copper sleeve 6, the bearing copper The inner surface of the sleeve 6 is covered with a rubber bearing bush 7, and the inner surface of the rubber bearing bush 7 is provided with a groove, the bearing copper sleeve 6 is tightly fitted and fixed with the bearing shell 3, the outer end surface of the right end cover 2 is provided with an end cover plastic shell 10, and the right end cover 2 A sealing ring A14 and a sealing ring B15 are arranged between the shaft 1 and the rotating machinery. The sealing ring A14 and the sealing ring B15 cooperate with each other to realize the s...

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PUM

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Abstract

The invention discloses an embedded sliding bearing lubricating film pressure wireless sensing and monitoring device which comprises a wireless monitoring circuit and a wireless power supply structure. The wireless monitoring circuit comprises a pressure sensor and a signal conditioning and wireless transmitting circuit which are connected in sequence; the wireless power supply structure comprises a wireless power supply coupling mechanism and a wireless power supply peripheral circuit, the wireless power supply coupling mechanism comprises a secondary side magnetic core winding arranged on the rotating mechanical shaft and a primary side magnetic core winding arranged on the periphery of the secondary side magnetic core winding, and an air gap exists between the primary side magnetic core winding and the secondary side magnetic core winding. The wireless power supply peripheral circuit comprises a primary side circuit and a secondary side circuit, the primary side circuit is connected with an external direct current power supply, and the secondary side circuit comprises a micro lithium battery. Wireless monitoring of the pressure of the lubricating film of the sliding bearing can be realized under the condition that the complete structure of the bearing is not damaged.

Description

technical field [0001] The invention belongs to the technical field of bearings, and relates to an embedded sliding bearing lubricating film pressure wireless sensor monitoring device. Background technique [0002] Sliding bearings are widely used in large ships, ships, turbines and other mechanical equipment due to their stable and reliable operation. Its safe and reliable operation is the basis for ensuring the stable operation of the equipment. Studying and using advanced testing technology to monitor its condition can not only obtain important characteristic parameters of sliding bearing, but also predict faults through monitoring data, and carry out equipment maintenance and replacement without affecting the operation of equipment, thereby avoiding unsafe accidents. [0003] However, the working conditions of sliding bearings are complex in specific applications, and due to the tightness of the sliding bearings, it is difficult to accurately monitor the pressure of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L1/18H02J9/06H02J50/20
CPCG01L1/18H02J9/061H02J50/20
Inventor 王楠赵一帆王丹丹张楠江帆王鹏
Owner SHAANXI SCI TECH UNIV
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