CN207556810U - A kind of vacuum degree of big shaft end of the hydraulic turbine and aeration valve actuating length detecting system - Google Patents
A kind of vacuum degree of big shaft end of the hydraulic turbine and aeration valve actuating length detecting system Download PDFInfo
- Publication number
- CN207556810U CN207556810U CN201721512030.6U CN201721512030U CN207556810U CN 207556810 U CN207556810 U CN 207556810U CN 201721512030 U CN201721512030 U CN 201721512030U CN 207556810 U CN207556810 U CN 207556810U
- Authority
- CN
- China
- Prior art keywords
- hydraulic turbine
- aeration valve
- vacuum degree
- shaft end
- control circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model provides a kind of vacuum degree and aeration valve actuating length detecting system of the big shaft end of the hydraulic turbine, the vacuum meter entered in tonifying Qi connecting tube is stretched out outside spool including being sealingly disposed in aeration valve valve-rod body and measuring end, the vacuum meter dial plate of valve rod tail end is fixedly installed, it is arranged on stroboscopic lamp and camera that measurement end on hydroturbine cover is directed toward vacuum meter dial plate, measurement end direction is fixedly connected with the laser ruler of valve rod tail end and control terminal box with spool, the control terminal box and the stroboscopic lamp as detecting element, camera and laser ruler electrical connection, the big vacuum degree of shaft end and aeration valve actuating length under the big axis aeration valve operating status of the hydraulic turbine can be detected by the utility model in real time, convenient axis aeration valve big to the hydraulic turbine is safeguarded.
Description
Technical field
The utility model belongs to hydraulic power system overhaul device field, be related to a kind of big shaft end of hydraulic turbine vacuum degree and
Aeration valve actuating length detection technique, in particular for the vacuum degree and aeration valve actuating length of the big shaft end of the large and medium-sized hydraulic turbine
Detecting system.
Background technology
In hydraulic power plant, the hydraulic turbine generally holds when turbine-generator units are in 30%~60% nominal output operating mode
Flow vortex rope occurs easily in draft tube, causes cavity cavitation and unit vibration, it is therefore desirable to a kind of equipment eliminates flow vortex rope,
This equipment is exactly the big axis aeration valve of the hydraulic turbine.The effect of the big axis aeration valve of the hydraulic turbine is exactly to occur not in turbine-generator units
During steady working condition, air is filled into, increases the elasticity of water, improves the service condition of unit.Simultaneously as tonifying Qi destroys vacuum,
When can also prevent the unexpected removal of load of unit to be directed at hydraulic turbine emergency cut-off, due to generating negative pressure water attack, downstream tail water in draft tube
Strong impact power caused by recoil or lift machine phenomenon.
The big axis aeration valve operation principle of the hydraulic turbine is that the bullet of tonifying Qi valve spring is overcome by the vacuum power in the big axis of the hydraulic turbine
Power switchs valve body, therefore big axis aeration valve has two key indexes of vacuum degree and actuating length, it need to be detected,
Whether design requirement is met.
When the big axis aeration valve cisco unity malfunction of the hydraulic turbine, it is impossible to eliminate hydraulic turbine flow vortex rope and destruction well
Vacuum be easy to cause turbine-generator units cavity cavitation and unit vibration, can cause fluctuation when serious, shortens the hydraulic turbine longevity
Life and power system stability.But in hydraulic power plant's actual moving process, due to there are currently no one kind specifically for the hydraulic turbine
The vacuum degree and the relevant detection device of actuating length of big axis aeration valve detect it in real time, often only big in the hydraulic turbine
Axis aeration valve cisco unity malfunction causes hydrogenerator to occur that just it is checked and is repaired under abnormal conditions.Due to water
The big axis aeration valve of turbine goes wrong and cannot timely solve, the hidden danger be easy to causeing in production and safety.
Utility model content
The purpose of this utility model is that solving the problems in above-mentioned background technology, a kind of the true of the big shaft end of hydraulic turbine is provided
Reciprocal of duty cycle and aeration valve actuating length detecting system can detect the big axis aeration valve of the hydraulic turbine by the detecting system and run shape in real time
The vacuum degree and aeration valve actuating length of big shaft end under state, so that axis aeration valve big to the hydraulic turbine is safeguarded in time.
To achieve the above object, the utility model is realized using the technical solution being made of following technical measures.
A kind of vacuum degree of big shaft end of the hydraulic turbine and aeration valve actuating length detecting system, including being sealingly disposed in aeration valve
It in valve-rod body and measures outside end stretching spool into the vacuum meter in tonifying Qi connecting tube, the vacuum meter of valve rod tail end is fixedly installed
Dial plate is arranged on the stroboscopic lamp of measurement end direction vacuum meter dial plate and camera, measurement end direction on hydroturbine cover and consolidates with spool
Surely connect the laser ruler of valve rod tail end and control terminal box, the control terminal box with as detecting element stroboscopic lamp, take the photograph
As head and laser ruler are electrically connected.
The stroboscopic lamp, camera and laser ruler are arranged in the mounting box on hydroturbine cover, the position of mounting box
It puts corresponding with vacuum meter dial plate.
Wherein, the setting in the control terminal box includes laser ruler control circuit board, stroboscopic lamp control circuit board, camera shooting
Head control circuit plate and reservoir.Camera data recording is stored in reservoir by camera control circuit board, and will camera shooting
Head records picture by being wirelessly or non-wirelessly transmitted to real-time display in display equipment.
Wherein, the control terminal box is fixed on hydroturbine cover.
Normally, the control terminal box is connect with power supply.
Preferably, the setting of the control terminal box further includes display device, display device and laser ruler control circuit board,
At least one is electrically connected in stroboscopic lamp control circuit board and camera control circuit board.It can be imaged by display device real-time display
Head records picture, stroboscopic lamp current frequency and laser ruler data, facilitates and is controlled and detected.
Wherein, the first indicator light, the first indicator light and laser ruler control circuit board electricity are additionally provided on the detecting element box
Connection.The opening and closing of first indicator light is to be based on range data variation control by laser ruler control circuit.
Wherein, the second indicator light, the second indicator light and camera control circuit board electricity are additionally provided on the detecting element box
Connection.The opening and closing of second indicator light is to be controlled by camera shooting head control circuit based on image dynamic change, normally, described based on figure
As dynamic change control is according to image dynamic change output signal control by the digital monitor system software mating with camera
The opening and closing of the second indicator light is made to realize.
Normally, the laser ruler, stroboscopic lamp and camera and laser ruler control circuit board, stroboscopic lamp control circuit board,
Camera control circuit board, reservoir and display device are commercial equipment and corresponding mating control circuit board.
The utility model has following advantageous effect：
1st, the utility model can detect the vacuum degree and benefit of big shaft end under the big axis aeration valve operating status of the hydraulic turbine in real time
Air valve actuating length, convenient to the hydraulic turbine, big axis aeration valve is safeguarded in time.
2nd, the utility model records vacuum meter dial plate picture under stroboscopic lamp by camera, and vision is caused using stroboscopic lamp
It persists phenomenon conveniently vacuum meter dial plate is observed and recorded, so as to which the vacuum degree situation for accurately detecting the big shaft end of the hydraulic turbine refers to
Mark.
3rd, the utility model by laser ruler is detected in the big axis aeration valve of the hydraulic turbine and valve rod tail is fixedly connected with spool in real time
The actuating length at end realizes the non-contact actuating length status index for putting down the accurate detection big axis aeration valve of the hydraulic turbine in real time.
4th, it prompts the current hydraulic turbine big axis aeration valve state by indicator light in the utility model preferred embodiment, facilitates prompting
Related personnel pays attention to detecting whether aeration valve works normally.
5th, by the utility model, related technical personnel can investigate the big axis aeration valve of the hydraulic turbine and non-normal working occur in time
Failure, for solve hydrogenerator unusual service condition processing save the quality time, eliminate production and safety on hidden danger.
Description of the drawings
Fig. 1 is the vacuum degree of the big shaft end of the hydraulic turbine described in the utility model and the structure of aeration valve actuating length detecting system
Schematic diagram.
Fig. 2 be the big shaft end of the hydraulic turbine described in the utility model vacuum degree and aeration valve actuating length detecting system in tonifying Qi
Structure diagram under valve opening.
Wherein, control terminal box 1, mounting box 2, laser ruler 3, stroboscopic lamp 4, camera 5, vacuum meter 6, dial plate 6-1 are measured
End 6-2, the first indicator light 7, the second indicator light 8, aeration valve 9, aeration valve valve-rod body 9-1, tonifying Qi connecting tube 10, hydroturbine cover
11, rack 12.
Specific embodiment
It is described in further detail, but be not meant to be below in conjunction with the accompanying drawings and with specific embodiment to the utility model
Any restriction to the protection content of the utility model.
As shown in Figure 1, 2, the big axis aeration valve 9 of the hydraulic turbine of certain hydraulic power plant, including aeration valve valve-rod body 9-1, tonifying Qi
Hydroturbine cover 11 outside connecting tube 10 and spool, the hydroturbine cover 11 is mounted in rack 12, along aeration valve valve-rod body axis
Line opens through hole to install vacuum meter 6.
A kind of vacuum degree of big shaft end of the hydraulic turbine and aeration valve actuating length detecting system, including being sealingly disposed in aeration valve
In valve-rod body 9-1 and the vacuum meter 6 that end 6-2 stretchings spool enters outside in tonifying Qi connecting tube 10 is measured, vacuum meter dial plate 6-1 consolidates
Valve rod tail end is set surely, measurement end on hydroturbine cover 11 is arranged on and is directed toward the stroboscopic lamp 4 of vacuum meter dial plate 6-1 and camera 5, survey
Amount end, which is directed toward, is fixedly connected with the laser ruler 3 of valve rod tail end and control terminal box 1, the control terminal box 1 and conduct with spool
Stroboscopic lamp, camera and the laser ruler electrical connection of detecting element.The mining camera of the camera model KBA-700P types；Institute
State laser ruler model FSB-10 laser range sensors；The stroboscopic lamp model WEJ01 prints monitoring system stroboscopic lamp instrument.
The stroboscopic lamp, camera and laser ruler are arranged in the mounting box 2 on hydroturbine cover 11, install box position and vacuum
Meter dial plate is corresponding, and the control terminal box 1 is connect with power supply.
Laser ruler control circuit board, stroboscopic lamp control circuit board, camera control electricity are provided in the control terminal box 1
Road plate, display device, power switch and reservoir.Camera data recording is stored in reservoir by camera control circuit board
It is interior, and camera is recorded into real-time display on picture transmission to its display device.Laser ruler control circuit board, stroboscopic lamp control electricity
Road plate will be measured respectively in actuating length data and strobing frequency setting data transmission to its display device, facilitate carry out control and
Detection.Power switch controls laser ruler control circuit board, stroboscopic lamp control circuit board, camera control circuit board and multiple respectively
The opening and closing of display device.
The first indicator light 7 and the second indicator light 8 are additionally provided on the detecting element box, the first indicator light is red indicating light
And be electrically connected with laser ruler control circuit board, the second indicator light is electrically connected for yellow indicator lamp and with camera control circuit board.
The opening and closing of first indicator light is to be based on range data variation control by laser ruler control circuit.The opening and closing of second indicator light is by taking the photograph
Picture head control circuit is controlled based on image dynamic change, and the specially mating digital monitor system software of camera is moved according to image
State variation output signal controls the opening and closing of the second indicator light to realize.
Safeguard that the staff of the big axis aeration valve of the hydraulic turbine detects big axis in real time by the display device on control terminal box 1
The vacuum degree at end and aeration valve actuating length, concrete mode are that camera records vacuum meter dial plate in stroboscopic in observation display device
Picture under lamp causes visual persistence phenomenon to observe and record vacuum meter dial plate using stroboscopic lamp, so as to facilitate work people
The real-time vacuum degree of the big shaft end of member's detection hydraulic turbine；The laser ruler real time data in another display device is observed simultaneously, facilitates work
Make the real-time action stroke that personnel detect the big axis aeration valve of the hydraulic turbine, last staff combines real-time vacuum degree, real-time action
Stroke and corresponding index, judge whether the big axis aeration valve of the hydraulic turbine works normally.
In addition, camera record vacuum meter dial plate under stroboscopic lamp picture can also it is wireless by camera control circuit board or
Wired mode is transmitted to real-time display in other display equipment, to facilitate remote monitoring.
Claims (9)
1. a kind of vacuum degree of big shaft end of the hydraulic turbine and aeration valve actuating length detecting system, it is characterised in that including sealed set
In aeration valve valve-rod body (9-1) and measure outside end (6-2) stretching spool into the vacuum meter in tonifying Qi connecting tube (10)
(6), the vacuum meter dial plate (6-1) of valve rod tail end is fixedly installed, is arranged on measurement end on hydroturbine cover (11) and is directed toward vacuum meter table
The stroboscopic lamp (4) and camera (5) of disk (6-1), measurement end direction be fixedly connected with spool valve rod tail end laser ruler (3) and
Control terminal box (1), the control terminal box (1) are electrically connected with the stroboscopic lamp, camera and laser ruler as detecting element.
2. the vacuum degree of the big shaft end of the hydraulic turbine according to claim 1 and aeration valve actuating length detecting system, feature
It is：The stroboscopic lamp, camera and laser ruler are arranged at the mounting box (2) on hydroturbine cover (11) Nei, mounting box
Position it is corresponding with vacuum meter dial plate.
3. the vacuum degree of the big shaft end of the hydraulic turbine according to claim 1 or claim 2 and aeration valve actuating length detecting system, feature
It is：The control terminal box (1) includes laser ruler control circuit board, stroboscopic lamp control circuit board, camera control circuit board
And reservoir.
4. the vacuum degree of the big shaft end of the hydraulic turbine according to claim 1 or claim 2 and aeration valve actuating length detecting system, feature
It is：The control terminal box (1) is fixed on hydroturbine cover (11).
5. the vacuum degree of the big shaft end of the hydraulic turbine according to claim 1 or claim 2 and aeration valve actuating length detecting system, feature
It is：The control terminal box (1) connect with power supply.
6. the vacuum degree of the big shaft end of the hydraulic turbine and aeration valve actuating length detecting system, feature exist according to claim 3
In：The control terminal box (1) further includes display device, display device and laser ruler control circuit board, stroboscopic lamp control circuit
At least one is electrically connected in plate and camera control circuit board.
7. the vacuum degree of the big shaft end of the hydraulic turbine and aeration valve actuating length detecting system, feature exist according to claim 3
In：The first indicator light (7) is additionally provided on the mounting box of detecting element, the first indicator light is electrically connected with laser ruler control circuit board.
8. the vacuum degree of the big shaft end of the hydraulic turbine and aeration valve actuating length detecting system, feature exist according to claim 3
In：The second indicator light (8) is additionally provided on the mounting box of detecting element, the second indicator light is electrically connected with camera control circuit board.
9. the vacuum degree of the big shaft end of the hydraulic turbine and aeration valve actuating length detecting system, feature exist according to claim 7
In：The second indicator light (8) is additionally provided on the mounting box of detecting element, the second indicator light is electrically connected with camera control circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721512030.6U CN207556810U (en) | 2017-11-14 | 2017-11-14 | A kind of vacuum degree of big shaft end of the hydraulic turbine and aeration valve actuating length detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721512030.6U CN207556810U (en) | 2017-11-14 | 2017-11-14 | A kind of vacuum degree of big shaft end of the hydraulic turbine and aeration valve actuating length detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207556810U true CN207556810U (en) | 2018-06-29 |
Family
ID=62681445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721512030.6U Active CN207556810U (en) | 2017-11-14 | 2017-11-14 | A kind of vacuum degree of big shaft end of the hydraulic turbine and aeration valve actuating length detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207556810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059789A (en) * | 2019-12-02 | 2020-04-24 | 珠海格力电器股份有限公司 | Air conditioning system and control method |
-
2017
- 2017-11-14 CN CN201721512030.6U patent/CN207556810U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059789A (en) * | 2019-12-02 | 2020-04-24 | 珠海格力电器股份有限公司 | Air conditioning system and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201258784Y (en) | Diesel engine generating set control measurement protective system | |
| CN102285591B (en) | Braking glide quantity detector for crane | |
| CN207556810U (en) | A kind of vacuum degree of big shaft end of the hydraulic turbine and aeration valve actuating length detecting system | |
| CN209053851U (en) | A kind of automatic gas collection exhaust apparatus of hydraulic mechanism low pressure oil way | |
| CN207264147U (en) | A kind of diesel locomotive alarm system | |
| CN204164087U (en) | A kind of oil hydraulic cylinder attachable type monitoring diagnosis device | |
| CN203395557U (en) | Decelerator oil-way detection protection device capable of implementing interlock monitoring | |
| CN206143814U (en) | From explosion -proof sewer well lid of battery powered | |
| CN201339508Y (en) | Medium and low speed diesel engine monitor | |
| CN203604793U (en) | Device for detecting pressure status of dust remover bag chamber lift valve cylinder | |
| CN204116974U (en) | External boiler water level measuring and controlling device | |
| CN201387353Y (en) | Dust catcher ash bucket high material level detecting device | |
| CN110092252A (en) | A kind of hydraulic type buffer of elevator performance synthesis detection system | |
| CN204946842U (en) | Circuit breaker Intelligent exhaust device | |
| CN205192577U (en) | Hydrology video monitoring device | |
| CN209388140U (en) | A kind of controller | |
| CN206400045U (en) | The many situations of transformer remind control device | |
| CN209525745U (en) | A kind of electrical equipment control instrument measuring and controlling equipment | |
| CN201643861U (en) | Differential-pressure signal-emitting device of filter | |
| CN202350906U (en) | Combined rotating machinery monitoring protection system | |
| CN206223125U (en) | A kind of displacement measuring device of heating pipeline compensator | |
| CN106828530B (en) | Bogie system and bullet train monitor system | |
| CN215678698U (en) | Signal prompt structure of leakage current sensor | |
| CN201069737Y (en) | Digital quick oil pressure relay | |
| CN217380718U (en) | Cloud platform control system applied to standby generator set along highway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |