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CN214502829U - Hydroelectric generating set dynamic signal testing and analyzing device - Google Patents

Hydroelectric generating set dynamic signal testing and analyzing device Download PDF

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Publication number
CN214502829U
CN214502829U CN202120821379.8U CN202120821379U CN214502829U CN 214502829 U CN214502829 U CN 214502829U CN 202120821379 U CN202120821379 U CN 202120821379U CN 214502829 U CN214502829 U CN 214502829U
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China
Prior art keywords
sensor
eddy current
speed sensor
current sensor
shell
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Expired - Fee Related
Application number
CN202120821379.8U
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Chinese (zh)
Inventor
艾莉
方朝海
熊伟
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Honghe University
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Honghe University
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Priority to CN202120821379.8U priority Critical patent/CN214502829U/en
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Publication of CN214502829U publication Critical patent/CN214502829U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Arrangements For Transmission Of Measured Signals (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

本实用新型公开了一种水电机组动态信号测试分析装置,包括第一壳体及测试分析终端,第一壳体内设置有电池、振动发电机、振动传感器、无线发送模块及控制器,第一壳体的上端设置有第二壳体,第二壳体内安装有电涡流传感器及光电式速度传感器,电涡流传感器与光电式速度传感器呈竖向并排设置,电涡流传感器与光电式速度传感器的探头均伸出第二壳体的前端,振动传感器、无线发送模块、电涡流传感器及光电式速度传感器均与控制器电连;测试分析终端内设置有无线接收模块,无线发送模块与无线接收模块无线通讯。本实用新型将多个传感器集中安装在水电机组大轴的旁边,不需要用电缆传输信号,没有杂乱的电缆影响工作人员工作。

Figure 202120821379

The utility model discloses a dynamic signal test and analysis device for a hydroelectric unit, comprising a first casing and a test and analysis terminal. The first casing is provided with a battery, a vibration generator, a vibration sensor, a wireless sending module and a controller. The upper end of the body is provided with a second shell, and the eddy current sensor and the photoelectric speed sensor are installed in the second shell. The eddy current sensor and the photoelectric speed sensor are arranged vertically side by side. The probes of the eddy current sensor and the photoelectric speed sensor are both Extending out of the front end of the second housing, the vibration sensor, the wireless sending module, the eddy current sensor and the photoelectric speed sensor are all electrically connected to the controller; the test and analysis terminal is provided with a wireless receiving module, and the wireless sending module communicates with the wireless receiving module wirelessly . The utility model centrally installs a plurality of sensors beside the large shaft of the hydroelectric unit, does not need to use cables to transmit signals, and has no messy cables to affect the work of the staff.

Figure 202120821379

Description

Hydroelectric generating set dynamic signal testing and analyzing device
Technical Field
The utility model relates to a hydroelectric generating set monitoring technology field, in particular to hydroelectric generating set dynamic signal test analytical equipment.
Background
The test and analysis device for accurately measuring and analyzing the dynamic signal of the hydroelectric generating set can be used for measuring and analyzing the frame vibration, the large shaft throw, the pressure pulsation and the working condition parameters of the hydroelectric generating set, and performing various conventional stability tests, transitional tests and other related performance tests, thereby becoming an important way for quickly acquiring the running state of the hydroelectric generating set and searching fault causes.
The existing method for acquiring the running state of the hydroelectric generating set is to install various sensors on the hydroelectric generating set for detection, but the existing sensors are separately installed at different positions of the hydroelectric generating set and are connected with a test analysis terminal by cables, so that a plurality of signal transmission cables are arranged around the hydroelectric generating set, and the operation of workers is affected in a mess.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hydroelectric generating set dynamic signal tests analytical equipment installs a plurality of sensors concentratedly on the next door of hydroelectric generating set main shaft, need not use cable transmission signal, does not have mixed and disorderly cable influence staff's work.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a dynamic signal testing and analyzing device of a hydroelectric generating set comprises a first shell and a testing and analyzing terminal, wherein a battery, a vibration generator, a vibration sensor, a wireless sending module and a controller are arranged in the first shell, the battery is electrically connected with the vibration generator and the controller, a second shell is arranged at the upper end of the first shell, an eddy current sensor and a photoelectric speed sensor are arranged in the second shell, the eddy current sensor and the photoelectric speed sensor are vertically arranged side by side, probes of the eddy current sensor and the photoelectric speed sensor extend out of the front end of the second shell, and the vibration sensor, the wireless sending module, the eddy current sensor and the photoelectric speed sensor are electrically connected with the controller; and a wireless receiving module is arranged in the test analysis terminal, and the wireless sending module is in wireless communication with the wireless receiving module.
By adopting the technical scheme, the device is arranged beside a large shaft of the hydroelectric generating set during installation, so that probes of the eddy current sensor and the photoelectric speed sensor are opposite to the large shaft, the large shaft is attached with a reflecting film matched with the photoelectric speed sensor for use, the vibration generator generates electricity by utilizing vibration of the hydroelectric generating set and stores the electricity in a battery, the vibration sensor directly monitors the vibration state of the hydroelectric generating set, the eddy current sensor monitors the swing degree condition of the large shaft, the photoelectric speed sensor is matched with the reflecting film to monitor the rotating speed of the large shaft, and finally the rotation speed is sent to the test analysis terminal through the wireless sending module for data analysis.
The utility model discloses a further set up to: the lower extreme of first casing is provided with the mounting panel, runs through a plurality of mounting holes have been seted up to the edge of mounting panel.
Compared with the prior art, the utility model discloses following beneficial effect has:
firstly, the utility model installs a plurality of sensors beside the large shaft of the hydroelectric generating set in a centralized way, so that no cable is needed to transmit signals, and no messy cable influences the work of workers;
secondly, the utility model discloses a vibration generator utilizes hydroelectric generating set's vibration electricity generation, for each component power supply of device, does not need external power supply.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is mainly used to show the internal structure of the first housing.
In the figure: 1. a first housing; 2. testing the analysis terminal; 3. mounting a plate; 31. mounting holes; 41. a battery; 42. a vibration generator; 43. a vibration sensor; 44. a wireless transmission module; 45. a controller; 5. a second housing; 6. an eddy current sensor; 7. photoelectric speed sensor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment, referring to fig. 1-2, a hydroelectric generating set dynamic signal testing and analyzing device comprises a first casing 1 and a testing and analyzing terminal 2, wherein a mounting plate 3 is disposed at the lower end of the first casing 1, a plurality of mounting holes 31 are formed through the edge of the mounting plate 3, a battery 41, a vibration generator 42, a vibration sensor 43, a wireless transmission module 44 and a controller 45 are disposed in the first casing 1, the battery 41 is electrically connected with the vibration generator 42 and the controller 45, a second casing 5 is disposed at the upper end of the first casing 1, an eddy current sensor 6 and a photoelectric speed sensor 7 are disposed in the second casing 5, the eddy current sensor 6 and the photoelectric speed sensor 7 are vertically arranged side by side, probes of the eddy current sensor 6 and the photoelectric speed sensor 7 extend out of the front end of the second casing 5, the vibration sensor 43, the wireless transmission module 44, the eddy current sensor 6 and the photoelectric speed sensor 7 are all electrically connected with the controller 45; the test analysis terminal 2 is provided with a wireless receiving module (not shown), and the wireless sending module 44 is in wireless communication with the wireless receiving module.
The working principle is as follows: when the device is installed, the device is installed beside a large shaft of a hydroelectric generating set, probes of an eddy current sensor 6 and a photoelectric speed sensor 7 are opposite to the large shaft, a reflection film matched with the photoelectric speed sensor 7 is attached to the large shaft, a vibration generator 42 generates electricity by utilizing vibration of the hydroelectric generating set and stores the electricity in a battery 41, a vibration sensor 43 directly monitors the vibration state of the hydroelectric generating set, the eddy current sensor 6 monitors the swing degree condition of the large shaft, and the photoelectric speed sensor 7 is matched with the reflection film to monitor the rotating speed of the large shaft and finally sends the rotation speed to a test analysis terminal 2 through a wireless sending module 44 for data analysis.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (2)

1. The utility model provides a hydroelectric generating set dynamic signal test analytical equipment, includes first casing (1) and test analysis terminal (2), its characterized in that: a battery (41), a vibration generator (42), a vibration sensor (43), a wireless sending module (44) and a controller (45) are arranged in the first shell (1), the battery (41) is electrically connected to the vibration generator (42) and the controller (45), a second shell (5) is arranged at the upper end of the first shell (1), an eddy current sensor (6) and a photoelectric speed sensor (7) are arranged in the second shell (5), the eddy current sensor (6) and the photoelectric speed sensor (7) are vertically arranged side by side, probes of the eddy current sensor (6) and the photoelectric speed sensor (7) extend out of the front end of the second shell (5), the vibration sensor (43), the wireless transmission module (44), the eddy current sensor (6) and the photoelectric speed sensor (7) are all electrically connected with the controller (45); and a wireless receiving module is arranged in the test analysis terminal (2), and the wireless sending module (44) is in wireless communication with the wireless receiving module.
2. The hydroelectric generating set dynamic signal testing and analyzing device according to claim 1, wherein: the lower extreme of first casing (1) is provided with mounting panel (3), runs through a plurality of mounting holes (31) have been seted up to the edge of mounting panel (3).
CN202120821379.8U 2021-04-21 2021-04-21 Hydroelectric generating set dynamic signal testing and analyzing device Expired - Fee Related CN214502829U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120821379.8U CN214502829U (en) 2021-04-21 2021-04-21 Hydroelectric generating set dynamic signal testing and analyzing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120821379.8U CN214502829U (en) 2021-04-21 2021-04-21 Hydroelectric generating set dynamic signal testing and analyzing device

Publications (1)

Publication Number Publication Date
CN214502829U true CN214502829U (en) 2021-10-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120821379.8U Expired - Fee Related CN214502829U (en) 2021-04-21 2021-04-21 Hydroelectric generating set dynamic signal testing and analyzing device

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117870842A (en) * 2023-02-22 2024-04-12 廖伟强 Wireless vibration detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117870842A (en) * 2023-02-22 2024-04-12 廖伟强 Wireless vibration detector

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211026

CF01 Termination of patent right due to non-payment of annual fee