CN220434921U - Hydraulic generator jigger monitoring system - Google Patents

Hydraulic generator jigger monitoring system Download PDF

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Publication number
CN220434921U
CN220434921U CN202322144999.4U CN202322144999U CN220434921U CN 220434921 U CN220434921 U CN 220434921U CN 202322144999 U CN202322144999 U CN 202322144999U CN 220434921 U CN220434921 U CN 220434921U
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China
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module
guide bearing
monitoring
generator
main shaft
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CN202322144999.4U
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朱玉良
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Zhejiang Electric Power Research Monitor Technology Co ltd
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Zhejiang Electric Power Research Monitor Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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Abstract

The utility model discloses a hydro-generator jigger monitoring system, which comprises: the first monitoring assembly, the second monitoring assembly, the third monitoring assembly and the processing assembly; the first monitoring component is fixedly arranged on the hydraulic generator and can monitor the swing degree signal of the main shaft; the second monitoring component is fixedly arranged on the hydraulic generator and can monitor the rotating circle number signals of the main shaft; the third monitoring component is used for being arranged on the hydraulic generator in a specified mode and can monitor a rotating angle signal of the main shaft; the processing component can be in communication connection with the first monitoring component, the second monitoring component and the third monitoring component, and the processing component can receive the swing degree signal, the rotation number signal and the rotation angle signal. The hydro-generator jigger monitoring system provided by the utility model can monitor various information when the main shaft rotates, so that the comprehensiveness and reliability of monitoring data are improved.

Description

Hydraulic generator jigger monitoring system
Technical Field
The utility model relates to the technical field of hydraulic generator jiggers, in particular to a hydraulic generator jiggers monitoring system.
Background
Before the hydraulic generator is started, turning the hydraulic generator to enable a main shaft of the hydraulic generator to rotate, and monitoring rotation information of the main shaft to judge the health state of the hydraulic generator; the wireless intelligent jigger system of the hydroelectric generating set provided by the patent CN212063789U is characterized in that a plurality of devices for monitoring the swing degree of a main shaft are arranged around (up and down and at the circumferential position of) the main shaft (or a large shaft) of the hydroelectric generating set, so that the axial deviation and tortuosity information of the main shaft is obtained; however, the system only monitors the swing degree of the main shaft, the data is single, and the data reliability is poor.
Disclosure of Invention
The utility model aims to provide a hydro-generator jigger monitoring system which solves the problems in the prior art and can monitor various information when a main shaft rotates, so that the comprehensiveness and reliability of monitoring data are improved.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a hydro-generator jigger monitoring system, comprising: the first monitoring assembly, the second monitoring assembly, the third monitoring assembly and the processing assembly; the first monitoring component is fixedly arranged on the hydraulic generator and can monitor the swing degree signal of the main shaft; the second monitoring component is fixedly arranged on the hydraulic generator and can monitor the rotation number signal of the main shaft; the third monitoring component is used for being arranged on the hydraulic generator in a stipulated mode and can monitor a rotating angle signal of the main shaft; the processing component is in communication connection with the first monitoring component, the second monitoring component and the third monitoring component, and the processing component can receive the swing degree signal, the rotation number signal and the rotation angle signal.
Preferably, the first monitoring assembly comprises a plurality of swing degree sensors, four swing degree sensors are fixedly arranged at the upper guide bearing, the lower guide bearing and the water guide bearing of the hydraulic generator, and the four swing degree sensors at the upper guide bearing, the lower guide bearing and the water guide bearing are respectively positioned in +X, +Y, -X and-Y directions of the main shaft.
Preferably, the second monitoring assembly comprises a key phase sensor, wherein the key phase sensor is fixedly arranged at the upper guide bearing and is positioned in the +X direction of the main shaft.
Preferably, the third monitoring assembly comprises an encoder, wherein the encoder is fixedly arranged at the upper guide bearing and is positioned at the +X direction of the main shaft.
Preferably, the processing assembly comprises a first module, a second module and a third module, wherein the first module, the second module and the third module are respectively and fixedly arranged at the upper guide bearing, the lower guide bearing and the water guide bearing, and the first module and the key phase sensor, the encoder and the four swing degree sensors at the upper guide bearing can be in communication connection and can receive the rotation circle number signal, the rotation angle signal and the swing degree signal; the second module is in communication connection with the four swing degree sensors at the lower guide bearing and can receive the swing degree signals; the third module is in communication connection with the four swing degree sensors at the water guide bearing and can receive the swing degree signals.
Preferably, the processing assembly further comprises a recording module, wherein the recording module is in communication connection with the first module, the second module and the third module and is used for receiving and recording signals sent by the first module, the second module and the third module.
Preferably, the first module and the key phase sensor, the encoder and the four yaw sensors at the upper guide bearing are all electrically connected and provide electric energy, and the second module and the four yaw sensors at the lower guide bearing are all electrically connected and provide electric energy; the third module and the four swing degree sensors at the water guide bearing can be electrically connected and provide electric energy.
Preferably, the first module, the second module and the third module can be connected in a communication manner.
Compared with the prior art, the utility model has the following technical effects:
according to the hydro-generator jigger monitoring system, when the hydro-generator jiggers, the first monitoring component monitors the swing degree signal of the main shaft, the second monitoring component monitors the rotation number signal of the main shaft, namely the jigger number, and the third monitoring component monitors the rotation angle signal of the main shaft, and the swing degree signal, the rotation number signal and the rotation angle signal can be transmitted to the processing component, so that a plurality of pieces of information of the main shaft can be monitored, the comprehensiveness and the reliability of monitoring data are improved, the health state of the hydro-generator can be conveniently, comprehensively and accurately judged in time, and the follow-up adjustment and overhaul can be conveniently carried out.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a hydraulic generator jigger monitoring system according to a first embodiment;
fig. 2 is a schematic diagram showing the positions of the yaw sensor, the key phase sensor and the encoder at the upper guide bearing according to the first embodiment.
Icon: 100-a hydraulic generator jigger monitoring system; 110-a first monitoring component; a 111-throw sensor; 120-a second monitoring component; 121-a key phase sensor; 130-a third monitoring component; 131-an encoder; 140-a processing assembly; 141-a first module; 142-a second module; 143-a third module; 200-a hydro-generator; 210-a spindle; 220-upper guide bearings; 230-a down-guide bearing; 240-water guide bearing; 250-housing.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a hydro-generator jigger monitoring system which is used for solving the problems in the prior art and capable of monitoring various information when a main shaft rotates so as to improve the comprehensiveness of main shaft monitoring.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Example 1
The present embodiment provides a hydro-generator jigger monitoring system 100, please refer to fig. 1 and 2, including a first monitoring component 110, a second monitoring component 120, a third monitoring component 130 and a processing component 140; the first monitoring assembly 110 is fixedly arranged on the hydraulic generator 200 and is capable of monitoring a swing signal of the main shaft 210; the second monitoring assembly 120 is fixedly arranged on the hydraulic generator 200, and is capable of monitoring a rotation number signal of the main shaft 210; the third monitoring assembly 130 is configured to be disposed on the hydraulic generator 200 and is capable of monitoring a rotation angle signal of the main shaft 210; the processing component 140 is communicatively connected to the first monitoring component 110, the second monitoring component 120, and the third monitoring component 130, and the processing component 140 is capable of receiving the yaw rate signal, the number of turns signal, and the angle of rotation signal.
When the hydraulic generator 200 is driven, the swing degree signal of the main shaft 210 is monitored through the first monitoring component 110, the rotation number signal of the main shaft 210, namely the number of turns of the turning gear, is monitored through the second monitoring component 120, and the rotation angle signal of the main shaft 210 is monitored through the third monitoring component 130, and the swing degree signal, the rotation number signal and the rotation angle signal can be transmitted to the processing component 140 for processing, so that a plurality of pieces of information of the main shaft 210 can be monitored, the monitoring comprehensiveness is improved, and the health state of the hydraulic generator 200 can be accurately judged in time, so that the follow-up adjustment and maintenance can be conveniently carried out.
In the alternative of this embodiment, preferably, the first monitoring assembly 110 includes a plurality of swing degree sensors 111, four swing degree sensors 111 are fixedly disposed at the upper guide bearing 220, the lower guide bearing 230 and the water guide bearing 240 of the hydraulic generator 200, and the four swing degree sensors 111 at the upper guide bearing 220, the lower guide bearing 230 and the water guide bearing 240 are respectively located at +x, +y, -X and-Y positions of the main shaft 210, that is, uniformly distributed along the circumferential direction of the main shaft 210, so that the swing degrees of the main shaft 210 at the upper guide bearing 220, the lower guide bearing 230 and the water guide bearing 240 are monitored in multiple directions, thereby fully monitoring whether the axial line of the main shaft 210 is bent, and improving the accuracy of monitoring.
Specifically, the four yaw rate sensors 111 at the upper guide bearing 220 may be fixed on the housing 250 of the hydraulic generator 100 at the upper guide bearing 220 by respective brackets, where the brackets and the housing 250 may be fixed by bonding, so that the stability is ensured while the structural stability of the hydraulic generator 100 is not damaged, and the hydraulic generator can be removed from the housing 250; the four swing degree sensors 111 at the position of the lower guide bearing 230 can be respectively and fixedly arranged on the inner wall of the bearing seat or the outer shell 250 of the lower guide bearing 230 through a bracket, and the bracket and the inner wall of the bearing seat or the outer shell 250 of the lower guide bearing 230 adopt a bonding fixing mode, so that the stability is ensured, the structural stability of the hydraulic generator 100 is not damaged, and the hydraulic generator can be taken down; the four swing degree sensors 111 at the water guide bearing 240 can also be respectively and fixedly arranged on the inner wall of the bearing seat or the outer shell 250 of the water guide bearing 240 through a bracket, and the bracket and the inner wall of the bearing seat or the outer shell 250 of the water guide bearing 240 adopt a bonding fixing mode, so that the stability is ensured, the structural stability of the hydraulic generator 100 is not damaged, and the hydraulic generator can be taken down.
In the alternative of the present embodiment, preferably, the second monitoring assembly 120 includes a key phase sensor 121, where the key phase sensor 121 is fixedly disposed at the upper guide bearing 220 and located at the +x direction of the spindle 210, specifically, the key phase sensor 121 may use a photoelectric rotation speed sensor, and is mainly used for recording the complete turning number of turns with key phase signals as data acquisition trigger when the spindle 210 rotates, and performing spindle zero positioning; the key phase sensor 121 is fixedly disposed on the housing 250 of the hydraulic generator 100 at the upper guide bearing 220 through a bracket, wherein the bracket and the housing 250 can be fixed by bonding, so that the structural stability of the hydraulic generator 100 is not damaged while the stability is ensured, and the hydraulic generator can be removed from the housing 250.
In an alternative of the present embodiment, preferably, the third monitoring assembly 130 includes an encoder 131, where the encoder 131 is fixedly disposed at the upper guide bearing 220 and is located in the +x direction of the main shaft 210; specifically, the third monitoring assembly 130 may adopt a large shaft positioning device integrated by an encoder, specifically includes a rotatable bracket, an encoder 131 and a controller, where the encoder 131 is fixedly arranged on the rotatable bracket, the rotatable bracket is fixedly arranged on the housing 250 of the hydraulic generator 100 at the upper guide bearing 220 and can adjust its angle to adapt to different scenes, specifically, the bottom of the rotatable bracket may adopt a bonding fixing mode, so that the stability is ensured, the structural stability of the hydraulic generator 100 is not damaged, and the hydraulic generator can be removed from the housing 250; the encoder 131 measures the rotation angle of the spindle 210 and transmits the rotation angle to the controller for processing, and the controller transmits signals to the processing component 140, so that the large-axis positioning device can accurately measure the rotation area of the spindle when being used for on-site jigger, and data measurement can be conveniently carried out every 1/8 turn of the large-axis stroke.
In the alternative of this embodiment, more preferably, the processing assembly 140 includes a first module 141, a second module 142 and a third module 143, where the first module 141, the second module 142 and the third module 143 are respectively fixedly disposed at the upper guide bearing 220, the lower guide bearing 230 and the water guide bearing 240, and the first module 141 and the key phase sensor 121, the encoder 131 and the four swing degree sensors 111 at the upper guide bearing 220 are all capable of being communicatively connected and capable of receiving a rotation number signal, a rotation angle signal and a swing degree signal; the second module 142 is communicatively coupled to the four yaw rate sensors 111 at the lower guide bearing 230 and is capable of receiving a yaw rate signal; the third module 143 is communicatively coupled to the four yaw rate sensors 111 at the water guide bearing 240 and is configured to receive a yaw rate signal; the arrangement of signal transmission and transmission cables of the sensors at the upper guide bearing 220, the lower guide bearing 230 and the water guide bearing 240 is facilitated by providing the first, second and third modules 141, 142 and 143; specifically, the first module 141 may be fixedly disposed on the housing 250 of the hydro-generator 100 at the upper guide bearing 220 through a bracket, the second module 142 may be fixedly disposed on the bearing seat of the lower guide bearing 230 or the inner wall of the housing 250 through a bracket, and the third module 143 may be fixedly disposed on the bearing seat of the water guide bearing 240 or the inner wall of the housing 250 through a bracket.
In an alternative of this embodiment, preferably, the processing component 140 further includes a recording module, where the recording module is communicatively connected to each of the first module 141, the second module 142, and the third module 143 and is configured to receive and record signals sent by the first module 141, the second module 142, and the third module 143; specifically, the recording module may be configured as a computer device, and performs data recording, storing, and other tasks on the signals sent by the first module 141, the second module 142, and the third module 143, so as to facilitate viewing.
In the alternative of this embodiment, preferably, the first module 141 is electrically connected to the key phase sensor 121, the encoder 131 and the four yaw rate sensors 111 at the upper guide bearing 220 and provides electric power, and the second module 142 is electrically connected to the four yaw rate sensors 111 at the lower guide bearing 230 and provides electric power; the third module 143 is electrically connectable to and provides electrical power to the four yaw rate sensors 111 at the water guide bearing 240; specifically, the first module 141, the second module 142 and the third module 143 all adopt TN8000-TDAS integrated devices, and are mainly used for supplying power to the sensor and collecting signals of the sensor signals during turning, and are provided with interfaces capable of wired and wireless data communication with on-site computer equipment.
In the alternative of this embodiment, preferably, the first module 141, the second module 142 and the third module 143 can be connected by wired or wireless communication, so that data can be synchronized, and the synchronism of data acquisition is ensured, so as to improve the accuracy of subsequent data processing.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In summary, the present description should not be construed as limiting the utility model.

Claims (8)

1. The utility model provides a hydro-generator jigger monitoring system which characterized in that: comprising the following steps:
the first monitoring assembly (110) is fixedly arranged on the hydraulic generator (200) and can monitor a swing degree signal of the main shaft (210);
the second monitoring assembly (120) is fixedly arranged on the hydraulic generator (200) and can monitor a rotation number signal of the main shaft (210);
a third monitoring unit (130) which is provided on the hydraulic generator (200) and is capable of monitoring a rotation angle signal of the main shaft (210); and
The processing component (140) is in communication connection with the first monitoring component (110), the second monitoring component (120) and the third monitoring component (130), and the processing component (140) can receive the swing degree signal, the rotation number signal and the rotation angle signal.
2. The hydro-generator jigger monitoring system as claimed in claim 1, wherein: the first monitoring assembly (110) comprises a plurality of swing degree sensors (111), four swing degree sensors (111) are fixedly arranged at an upper guide bearing (220), a lower guide bearing (230) and a water guide bearing (240) of the hydraulic generator (200), and the four swing degree sensors (111) at the upper guide bearing (220), the lower guide bearing (230) and the water guide bearing (240) are respectively located in +X, +Y, -X and-Y directions of the main shaft (210).
3. The hydro-generator jigger monitoring system as claimed in claim 2, wherein: the second monitoring assembly (120) comprises a key phase sensor (121), wherein the key phase sensor (121) is fixedly arranged at the upper guide bearing (220) and is positioned at the +X direction of the main shaft (210).
4. A hydro-generator jigger monitoring system as claimed in claim 3, wherein: the third monitoring assembly (130) comprises an encoder (131), and the encoder (131) is fixedly arranged at the upper guide bearing (220) and is positioned at the +X direction of the main shaft (210).
5. The hydro-generator jigger monitoring system as claimed in claim 4, wherein: the processing assembly (140) comprises a first module (141), a second module (142) and a third module (143), wherein the first module (141), the second module (142) and the third module (143) are respectively and fixedly arranged at the upper guide bearing (220), the lower guide bearing (230) and the water guide bearing (240), and the first module (141) and the key phase sensor (121), the encoder (131) and the four swing degree sensors (111) at the upper guide bearing (220) can be in communication connection and can receive the rotation circle number signal, the rotation angle signal and the swing degree signal; the second module (142) is communicatively connectable to each of the four yaw sensors (111) at the down-guide bearing (230) and is capable of receiving the yaw signal; the third module (143) is communicatively connectable to each of the four yaw sensors (111) at the water guide bearing (240) and is capable of receiving the yaw signal.
6. The hydro-generator jigger monitoring system as claimed in claim 5, wherein: the processing assembly (140) further comprises a recording module which is in communication connection with the first module (141), the second module (142) and the third module (143) and is used for receiving and recording signals sent by the first module (141), the second module (142) and the third module (143).
7. The hydro-generator jigger monitoring system as claimed in claim 5, wherein: the first module (141) is electrically connectable to and provides electrical power for each of the key phase sensor (121), the encoder (131) and the four yaw sensors (111) at the upper guide bearing (220), and the second module (142) is electrically connectable to and provides electrical power for each of the four yaw sensors (111) at the lower guide bearing (230); the third module (143) is electrically connectable to and provides electrical power to four of the yaw rate sensors (111) at the water guide bearing (240).
8. The hydro-generator jigger monitoring system as claimed in claim 6, wherein: the first module (141), the second module (142) and the third module (143) can be connected in a communication manner.
CN202322144999.4U 2023-08-09 2023-08-09 Hydraulic generator jigger monitoring system Active CN220434921U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322144999.4U CN220434921U (en) 2023-08-09 2023-08-09 Hydraulic generator jigger monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322144999.4U CN220434921U (en) 2023-08-09 2023-08-09 Hydraulic generator jigger monitoring system

Publications (1)

Publication Number Publication Date
CN220434921U true CN220434921U (en) 2024-02-02

Family

ID=89693834

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322144999.4U Active CN220434921U (en) 2023-08-09 2023-08-09 Hydraulic generator jigger monitoring system

Country Status (1)

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CN (1) CN220434921U (en)

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