CN109751174A - A kind of hydraulic turbine list guide vane servomotor detection system - Google Patents
A kind of hydraulic turbine list guide vane servomotor detection system Download PDFInfo
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- CN109751174A CN109751174A CN201910175473.8A CN201910175473A CN109751174A CN 109751174 A CN109751174 A CN 109751174A CN 201910175473 A CN201910175473 A CN 201910175473A CN 109751174 A CN109751174 A CN 109751174A
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- servomotor
- sensor
- guide vane
- signal
- encoder
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Hydraulic Turbines (AREA)
Abstract
The invention discloses a kind of hydraulic turbine list guide vane servomotor detection systems, it is related to power station testing equipment field, technical solution is, including sequentially connected control ring, guide vane and base ring, the connection of the movable end of control ring and servomotor, sensor group is provided on servomotor, all the sensors of sensor group are electrically connected with signal acquisition module, constitute data feedback channel.The beneficial effects of the present invention are: this programme realizes the synthesis on-line checking of hydraulic turbine list guide vane servomotor, realize the intelligent management of servomotor operating parameter, pass through the transmission of cloud platform module simultaneously, the operating parameter of servomotor is uploaded into big data cloud platform, provides the technological approaches of long-range monitoring and health control for servomotor.
Description
Technical field
The present invention relates to power station testing equipment field, in particular to a kind of hydraulic turbine list guide vane servomotor detection system.
Background technique
The hydraulic turbine is a kind of prime mover, and effect is the flow energy in river to be converted into rotating mechanical energy, then pass through
Hydraulic turbine main shaft drives generator rotation that rotating mechanical energy is converted into electric energy.The main function of hydraulic turbine list guide vane servomotor is
Oil pressure is converted to the push-pull effort of adjusting rod, to drive turbine blade reclining operation mechanism (connecting rod-whirling arm mechanism) will
Axial movement is converted to the rotation of blade around the pivot, realizes the purpose that blade angle degree changes.But in unit running process,
It is possible that following problems: 1) causing guide vane link out of control since active force is excessive；2) certain single single guide vane servomotor failure；
3) foreign matter is clamped between guide vane；4) unbalanced water active force causes guide vane deformation etc., and then influences the peace of hydroelectric power plant and unit
Full stable operation, load reasonable distribution, hydroelectric power plant's economic benefit and grid supply quality, so hydraulic turbine list guide vane servomotor
Condition monitoring, the fault alarm of especially servomotor is poly-talented problem urgently to be solved.
Summary of the invention
In view of the above technical problems, the present invention provides a kind of hydraulic turbine list guide vane servomotor detection system.
Its technical solution is, including sequentially connected control ring, guide vane and base ring, the activity of the control ring and servomotor
End connects, and sensor group is provided on the servomotor, and all the sensors of the sensor group are electric with signal acquisition module
Connection constitutes data feedback channel；
Further include the control ring encoder that control ring Yu servomotor junction are set, guide vane and servomotor junction are set
Guide vane shaft encoder, the control ring encoder and guide vane shaft encoder are electrically connected with the signal acquisition module, constitute number
According to feedback channel；
The signal acquisition module passes sequentially through cloud module, signal antenna, constitutes wireless data communication channel with signal base station,
Data channel is constituted between the signal base station and cloud server, cloud server and cloud platform computer are handed over internet respectively
It changes planes connection, constitutes communication channel；The signal antenna forms wireless telecommunications access also between mobile phone APP terminal.
Preferably, the sensor group includes displacement sensor, outlet oil pressure sensor, vibrating sensor, oil temperature sensing
Device and import oil pressure sensor；
Institute's displacement sensors induction end is arranged on the push rod of the servomotor, for detecting the displacement of servomotor push rod；
Outlet oil pressure sensor sensing end is arranged at the hydraulic oil outlet of the servomotor, for detecting the servomotor
Outlet oil pressure；
The induction end of the vibrating sensor is arranged on the outer cylinder body of servomotor, is adsorbed, is used for by magnetic force suction base and cylinder body
Detect Oscillation Amplitude when servomotor work
The induction end of the oil temperature sensor is arranged on the oil inlet pipe of servomotor, for detecting the temperature of hydraulic oil；
The entrance of the hydraulic oil of the servomotor is arranged in the induction end of the import oil pressure sensor, for detecting described connect
The import oil pressure of power device；
The control ring encoder is used to acquire the rotation angle for the control ring that the servomotor pushes；
The guide vane shaft encoder is used to acquire the rotation angle for the guide vane being conditioned.
Preferably, institute's displacement sensors use GWC020 grating displacement sensor, range 0-1000mm, and the displacement passes
Sensor output is tri- road pulse signal of A, B, Z, and the advanced B phase of A phase indicates to rotate forward, and A phase lags B phase and indicates to invert, and Z is to return to zero letter
Number, what wiring used sensor output is A, B two pulse signals；The fixed railing of institute's displacement sensors is fixed at
On the outer cylinder body of the servomotor, the mobile grid of institute's displacement sensors are fixed on the stroke lever of the servomotor；
The outlet oil pressure sensor and import oil pressure sensor are all made of ELE-301 pressure sensor, which is
0-20MPa, pick-up output signal 4-20mA, using two-wire system wiring；
The oil temperature sensor uses PT100 thermal resistance, -50-150 DEG C of temperature range, and is become using SUP-ST500 intelligent temperature
Module is sent to convert a signal into standard output signals 4-20mA, using two-wire system wiring；
The vibrating sensor uses ZMT-YB40 type integration vibrating sensor, range 0-20mm/s, pick-up output signal 4-
20mA, using two-wire system wiring；
The guide vane shaft encoder and control ring encoder are all made of photoelectricity shaft encoder, concrete model A41369 photoelectricity incremental
Photoelectric encoder, the encoder have an A, tri- road pulse signal of B, Z, wherein A, and 90 degree of phase difference of B phase phase, the advanced B phase of A phase indicates just
Turn, A phase lags B phase and indicates to invert, and Z phase is one pulse of encoder every revolution.
Preferably, the cloud module uses the cloud data transmission module of model MNGate301-L.
Preferably, the information acquisition module uses the programmable controller of siemens PLC series, and main CUP is
224CN and 4 road analog input module EM231s.
4 road analog input module EM231s are separately connected the import oil pressure sensor, outlet oil pressure sensor, oil temperature
The output end of sensor and vibrating sensor, acquires analog signals, and the 6 road high-speed pulse input points of main CUP224CN connect respectively
The control ring encoder, guide vane shaft encoder and displacement sensor are connect, acquires A, B phase pulse signal of three respectively, and
Respective angular displacement and straight-line displacement are calculated by program analysis meter.
Preferably, the wiring of the guide vane shaft encoder is connect respectively using A, B two pulse signals of sensor output
Enter I0.1, I0.2 mouth of the host CPU of the signal acquisition module, the wiring of the control ring encoder is exported using the sensor
A, B two pulse signals be respectively connected to the signal acquisition module host CPU I0.5, I0.6 mouth.
Preferably, institute's displacement sensors wiring is respectively connected to letter using A, B two pulse signals of sensor output
I1.1, I1.2 mouth of the host CPU of number acquisition module.
Technical solution provided in an embodiment of the present invention has the benefit that this programme realizes hydraulic turbine list guide vane and connects
The synthesis on-line checking of power device realizes the intelligent management of servomotor operating parameter, while passing through the transmission of cloud platform module,
The operating parameter of servomotor is uploaded into big data cloud platform, provides the technology way of long-range monitoring and health control for servomotor
Diameter.
This programme utilizes vibrating sensor, pressure sensor, temperature sensor, guide vane shaft encoder, realizes the hydraulic turbine
The working condition of single guide vane servomotor detects；It is realized at acquisition and the signal of servomotor fault parameter by signal acquisition module
Reason and analysis, once the signals such as servomotor vibration are more than upper limit value, the alarm of device real time fail；Pass through cloud platform computer, interconnection
Network switch, cloud server, signal base station, mobile phone APP terminal, Ali's cloud big data of signal antenna, cloud module composition
Platform realizes the integrated information detection and mobile phone APP terminal monitoring of hydraulic turbine list guide vane servomotor.The present apparatus solves water wheels
The on-line real time monitoring problem of generating set, to guarantee that the safe and stable operation of the power station hydraulic turbine provides effective guarantee.
Detailed description of the invention
Fig. 1 is the functional block diagram of the embodiment of the present invention.
Fig. 2 is mounting arrangements and system logic relational graph of the sensor of the embodiment of the present invention on servomotor.
Fig. 3 is servomotor, control ring, base ring, guide vane, the connecting rod logical relation top view of the embodiment of the present invention.
Fig. 4 is the signal acquisition module of the embodiment of the present invention and the wiring diagram of sensor and cloud module.
Wherein, appended drawing reference are as follows: 1, cloud platform computer；2, network switch is interconnected；3, cloud server；4, signal base station；
5, mobile phone APP terminal；6, signal antenna；7, cloud module；8, signal acquisition module；9, guide vane shaft encoder；10, control ring is compiled
Code device；11, displacement sensor；12, outlet oil pressure sensor；13, vibrating sensor；14, oil temperature sensor；15, import oil pressure
Sensor.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.Certainly, described herein specific examples are only used to explain the present invention, is not used to
Limit the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the invention can
To be combined with each other.
In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately
It is described, the meaning of " plurality " is two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
Embodiment 1
Referring to Fig. 1 to Fig. 4, the present invention provides a kind of hydraulic turbine list guide vane servomotor detection system, and technical solution is, including according to
The movable end of control ring, guide vane and the base ring of secondary connection, control ring and servomotor connects, and is provided with sensor group on servomotor,
The all the sensors of sensor group are electrically connected with signal acquisition module 8, constitute data feedback channel；
Further include the control ring encoder 10 that control ring Yu servomotor junction are set, is arranged in guide vane and servomotor junction
Guide vane shaft encoder 9, control ring encoder 10 and guide vane shaft encoder 9 be electrically connected with signal acquisition module 8, constitutes data
Feedback channel；
Signal acquisition module 8 passes sequentially through cloud module 7, signal antenna 6, constitutes wireless data communication channel with signal base station 4,
Data channel is constituted between signal base station 4 and cloud server 3, cloud server 3 and cloud platform computer 1 are handed over internet respectively
It changes planes 2 connections, constitutes communication channel；Signal antenna 6 forms wireless telecommunications access also between mobile phone APP terminal 5.
Sensor group includes displacement sensor 11, outlet oil pressure sensor 12, vibrating sensor 13, oil temperature sensor 14 and
Import oil pressure sensor 15；
11 induction end of displacement sensor is arranged on the push rod of servomotor, for detecting the displacement of servomotor push rod；
12 induction end of outlet oil pressure sensor is arranged at the hydraulic oil outlet of servomotor, for detecting the outlet oil of servomotor
Pressure；
The induction end of vibrating sensor 13 is arranged on the outer cylinder body of servomotor, is adsorbed by magnetic force suction base and cylinder body, for examining
Survey Oscillation Amplitude when servomotor work
The induction end of oil temperature sensor 14 is arranged on the oil inlet pipe of servomotor, for detecting the temperature of hydraulic oil；
The entrance of the hydraulic oil of servomotor is arranged in the induction end of import oil pressure sensor 15, for detecting the import of servomotor
Oil pressure；
Control ring encoder 10 is used to acquire the rotation angle of the control ring of servomotor promotion；
Guide vane shaft encoder 9 is used to acquire the rotation angle for the guide vane being conditioned.
Displacement sensor 11 uses GWC020 grating displacement sensor, range 0-1000mm, and the output of displacement sensor 11 is
A, tri- road pulse signal of B, Z, the advanced B phase of A phase indicate to rotate forward, and A phase lags B phase and indicates to invert, and Z is to return to zero signal, and wiring uses
Sensor output is A, B two pulse signals；The fixed railing of displacement sensor 11 is fixed at the outer shell of servomotor
On body, the mobile grid of displacement sensor 11 are fixed on the stroke lever of servomotor；
Outlet oil pressure sensor 12 and import oil pressure sensor 15 are all made of ELE-301 pressure sensor, which is
0-20MPa, pick-up output signal 4-20mA, using two-wire system wiring；
Oil temperature sensor 14 uses PT100 thermal resistance, -50-150 DEG C of temperature range, and uses SUP-ST500 intelligent temperature pick-up
Module converts a signal into standard output signals 4-20mA, using two-wire system wiring；
Vibrating sensor 13 uses ZMT-YB40 type integration vibrating sensor, range 0-20mm/s, pick-up output signal 4-
20mA, using two-wire system wiring；
Guide vane shaft encoder 9 and control ring encoder 10 are all made of photoelectricity shaft encoder, concrete model A41369 photoelectricity incremental
Photoelectric encoder, the encoder have an A, tri- road pulse signal of B, Z, wherein A, and 90 degree of phase difference of B phase phase, the advanced B phase of A phase indicates just
Turn, A phase lags B phase and indicates to invert, and Z phase is one pulse of encoder every revolution.
Cloud module 7 uses the cloud data transmission module of model MNGate301-L.
Information acquisition module 8 is using the programmable controller of siemens PLC series, and main CUP is 224CN and 4 tunnels are simulated
Measure input module EM231.
4 road analog input module EM231s are separately connected import oil pressure sensor 15, outlet oil pressure sensor 12, oil temperature
The output end of sensor 14 and vibrating sensor 13 acquires analog signals, the 6 road high-speed pulse input points point of main CUP224CN
Not Lian Jie control ring encoder 10, guide vane shaft encoder 9 and displacement sensor 11, respectively acquire three A, B phase pulse letter
Number, and respective angular displacement and straight-line displacement are calculated by program analysis meter.
The wiring of guide vane shaft encoder 9 is respectively connected to signal acquisition using A, B two pulse signals of sensor output
The wiring of I0.1, I0.2 mouth of the host CPU of module 8, control ring encoder 10 is believed using A, B two-way pulse of sensor output
Number it is respectively connected to I0.5, I0.6 mouth of the host CPU of signal acquisition module 8.
11 wiring of displacement sensor is respectively connected to signal acquisition module using A, B two pulse signals of sensor output
I1.1, I1.2 mouth of 8 host CPU.
The present invention in use, information acquisition module 8 by sensor group by the inlet and outlet oil pressure of servomotor, vibration, hydraulic
The information such as oil temperature and crank degree are sent to host computer and mobile phone APP terminal through cloud module, thus realize to servomotor and
The online real-time remote monitoring of impeller assembly.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of hydraulic turbine list guide vane servomotor detection system, including sequentially connected control ring, guide vane and base ring, the control
The movable end of ring and servomotor connects, and is provided with sensor group on the servomotor, which is characterized in that the institute of the sensor group
There is sensor to be electrically connected with signal acquisition module (8), constitutes data feedback channel；
It further include the control ring encoder (10) that control ring Yu servomotor junction are set, setting is connect in guide vane with servomotor
The guide vane shaft encoder (9) at place, the control ring encoder (10) and guide vane shaft encoder (9) with the signal acquisition module
(8) it is electrically connected, constitutes data feedback channel；
The signal acquisition module (8) passes sequentially through cloud module (7), signal antenna (6), constitutes with signal base station (4) wireless
Data communication channel constitutes data channel, cloud server (3) and cloud between the signal base station (4) and cloud server (3)
Platform computer (1) is connect with interconnection network switch (2) respectively, constitutes communication channel；The signal antenna (6) is gone back and cell phone application
Wireless telecommunications access is formed between terminal (5).
2. hydraulic turbine list guide vane servomotor detection system according to claim 1, which is characterized in that the sensor group packet
Displacement sensor (11), outlet oil pressure sensor (12), vibrating sensor (13) are included, oil temperature sensor (14) and import oil pressure pass
Sensor (15)；
Institute displacement sensors (11) induction end is arranged on the push rod of the servomotor, for detecting the position of servomotor push rod
It moves；
Outlet oil pressure sensor (12) induction end is arranged at the hydraulic oil outlet of the servomotor, for detecting described connect
The outlet oil pressure of power device；
The induction end of the vibrating sensor (13) is arranged on the outer cylinder body of servomotor, is adsorbed by magnetic force suction base and cylinder body,
For detecting Oscillation Amplitude when servomotor work
The induction end of the oil temperature sensor (14) is arranged on the oil inlet pipe of servomotor, for detecting the temperature of hydraulic oil；
The entrance of the hydraulic oil of the servomotor is arranged in the induction end of the import oil pressure sensor (15), for detecting
State the import oil pressure of servomotor；
The control ring encoder (10) is used to acquire the rotation angle for the control ring that the servomotor pushes；
The guide vane shaft encoder (9) is used to acquire the rotation angle for the guide vane being conditioned.
3. hydraulic turbine list guide vane servomotor detection system according to claim 2, which is characterized in that institute's displacement sensors
(11) GWC020 grating displacement sensor, range 0-1000mm are used, institute's displacement sensors (11) output is tri- road arteries and veins of A, B, Z
Signal is rushed, the advanced B phase of A phase indicates to rotate forward, and A phase lags B phase and indicates to invert, and Z is to return to zero signal, and it is defeated that wiring uses the sensor
Out be A, B two pulse signals；The fixed railing of institute's displacement sensors (11) is fixed at the outer cylinder body of the servomotor
On, the mobile grid of institute's displacement sensors (11) are fixed on the stroke lever of the servomotor；
The outlet oil pressure sensor (12) and import oil pressure sensor (15) are all made of ELE-301 pressure sensor, the sensing
Tolerance journey is 0-20MPa, pick-up output signal 4-20mA, using two-wire system wiring；
The oil temperature sensor (14) uses PT100 thermal resistance, -50-150 DEG C of temperature range, and uses SUP-ST500 intelligent temperature
Degree transmitting module converts a signal into standard output signals 4-20mA, using two-wire system wiring；
The vibrating sensor (13) uses ZMT-YB40 type integration vibrating sensor, range 0-20mm/s, pick-up output letter
Number 4-20mA, using two-wire system wiring；
The guide vane shaft encoder (9) and control ring encoder (10) are all made of photoelectricity shaft encoder, concrete model A41369 light
Electric incremental photoelectric encoder, the encoder have an A, tri- road pulse signal of B, Z, wherein A, and 90 degree of phase difference of B phase phase, the advanced B of A phase
It mutually indicates to rotate forward, A phase lags B phase and indicates to invert, and Z phase is one pulse of encoder every revolution.
4. hydraulic turbine list guide vane servomotor detection system according to claim 1, which is characterized in that the cloud module
(7) the cloud data transmission module of model MNGate301-L is used.
5. hydraulic turbine list guide vane servomotor detection system according to claim 3, which is characterized in that the information collection mould
Block (8) uses the programmable controller of siemens PLC series, and main CUP is 224CN and 4 road analog input module EM231s；
4 road analog input module EM231s be separately connected the import oil pressure sensor (15), outlet oil pressure sensor (12),
The output end of oil temperature sensor (14) and vibrating sensor (13) acquires analog signals, the 6 road high-speed pulses of main CUP224CN
Input point is separately connected the control ring encoder (10), guide vane shaft encoder (9) and displacement sensor (11), acquires three respectively
A, B phase pulse signal of person.
6. hydraulic turbine list guide vane servomotor detection system described in -5 according to claim 1, which is characterized in that the guide vane teunnion is compiled
The wiring of code device (9) is respectively connected to the master of the signal acquisition module (8) using A, B two pulse signals of sensor output
I0.1, I0.2 mouth of CPU, the wiring of the control ring encoder (10) use A, B two pulse signals of sensor output
It is respectively connected to I0.5, I0.6 mouth of the host CPU of the signal acquisition module (8).
7. hydraulic turbine list guide vane servomotor detection system described in -6 according to claim 1, which is characterized in that the displacement sensing
Device (11) wiring is respectively connected to the host CPU of acquisition module described in signal (8) using A, B two pulse signals of sensor output
I1.1, I1.2 mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910175473.8A CN109751174A (en) | 2019-03-08 | 2019-03-08 | A kind of hydraulic turbine list guide vane servomotor detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910175473.8A CN109751174A (en) | 2019-03-08 | 2019-03-08 | A kind of hydraulic turbine list guide vane servomotor detection system |
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| Publication Number | Publication Date |
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| CN109751174A true CN109751174A (en) | 2019-05-14 |
Family
ID=66408218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910175473.8A Pending CN109751174A (en) | 2019-03-08 | 2019-03-08 | A kind of hydraulic turbine list guide vane servomotor detection system |
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| CN112502896A (en) * | 2020-11-30 | 2021-03-16 | 中国长江电力股份有限公司 | Early warning method and system for deviation degree of action rate of servomotor of water turbine speed governor |
| CN113819845A (en) * | 2021-08-05 | 2021-12-21 | 成都伊莱特光测科技有限公司 | Hydroelectric set servomotor stroke detection device and system |
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| CN106968875A (en) * | 2017-05-31 | 2017-07-21 | 国家电网公司 | Pump turbine gate positing measurement apparatus and method |
| CN107255061A (en) * | 2017-08-10 | 2017-10-17 | 黑龙江省电力有限公司牡丹江水力发电总厂 | A kind of horizontal hydraulic unit feedback of guide blade position device |
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| JP2012058007A (en) * | 2010-09-07 | 2012-03-22 | Tamagawa Seiki Co Ltd | Method for converting analog signal into digital signal |
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| CN113819845B (en) * | 2021-08-05 | 2024-03-19 | 成都伊莱特光测科技有限公司 | Stroke detection device and system for servomotor of hydroelectric generating set |
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