CN104236876B - Detect the device of turbine rotating part - Google Patents
Detect the device of turbine rotating part Download PDFInfo
- Publication number
- CN104236876B CN104236876B CN201410387446.4A CN201410387446A CN104236876B CN 104236876 B CN104236876 B CN 104236876B CN 201410387446 A CN201410387446 A CN 201410387446A CN 104236876 B CN104236876 B CN 104236876B
- Authority
- CN
- China
- Prior art keywords
- optical signal
- rotor
- luminous energy
- receiving unit
- component
- 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
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of devices of detection turbine rotating part, including：Luminous energy, which sends out component and sends out illumination, to be mapped on luminous energy receiving unit, and rotor luminous energy receiving unit converts light energy into electric energy and is transmitted to rotor power supply circuit, and rotor power supply circuit delivers the power to measuring device after completing filtering and voltage stabilizing；Measuring signal is transmitted to rotor optical signal and sends out component by measuring device, and rotor optical signal sends out component and converts electrical signals to optical signal, and transmits optical signal to optical signal transmission component；Optical signal transmission component receives optical signal, and transmits optical signal to optical signal receiving unit；Optical signal receiving unit receives optical signal, and converts optical signals to electric signal, and to detection module transmission telecommunications number；Detection module is detected turbine rotating part according to electric signal.To realize the long-term continuous detection of turbine rotating part, and the reliability and stability of measurement data can be improved.
Description
Technical field
The present invention relates to mechanical detection field more particularly to a kind of devices of detection turbine rotating part.
Background technology
The rotating part of turbine has complicated structure, needs to detect rotation in design experiment or when normal operation
Partial state.
The characteristics of turbine, which is its rotating part, complicated structure, therefore in design experiment or when normal operation
It is necessary to monitor the state of rotatable parts.However all the time, the detection of the rotor and movable vane of turbine is relatively difficult,
Its Major Difficulties is that due to rotor when running and movable vane be rotation relative to ground, can not connect power cord in a usual manner
And signal wire, therefore it is all relatively difficult to power and transmit detection signal to detection device.
Conventional settling mode has two classes：One kind is pacified in the shaft of rotor using slip ring transmission electric energy and signal
Slip ring is filled, applying certain pressure to brush makes it be fixed on slip ring, is rotor and movable vane to realize when shaft rotates
Upper measurement component transmission electric energy and signal.Or be mounted on brush in the shaft of rotor, and slip ring is fixed on ground.By
There is friction between slip ring and brush, the rotary speed of turbine is often higher, and abrasion is so that this mode working life
It is limited, cause the detection duration shorter.
Second class is the detection device configuration battery and wireless communication apparatus on rotor and movable vane, at runtime only according to
By battery powered, signal transmission will be detected to ground receiving wastewater facility by wireless telecommunications.By can be used on turbine rotary part
The capacity of the limitation in space, battery is very limited, and the detection duration is shorter.
The prior art is only capable of solving the detection of the turbine rotating part of short time, how to realize that long-term continuous detection is to work as
The preceding technical issues that need to address.
Invention content
The embodiment of the present invention provides a kind of device of detection turbine rotating part, can realize to turbine rotating part
Long-term continuous detection.
The embodiment of the present invention adopts the following technical scheme that：
A kind of device of detection turbine rotating part, including：Rotor power supply circuit, rotor optical signal send out component, survey
Measure device, optical signal transmission component, optical signal receiving unit, detection module；The rotor power supply circuit is to the measuring device
Electric energy is provided；
The measuring signal of acquisition is transmitted to the rotor optical signal and sends out component, the rotor light letter by the measuring device
It number sends out component and converts the measuring signal to optical signal, and the optical signal is transmitted to the optical signal transmission component；
The optical signal transmission component, for receiving the optical signal, and to described in optical signal receiving unit transmission
Optical signal；
The optical signal receiving unit is converted to electric signal for receiving the optical signal, and by the optical signal, and to
The detection module transmits the electric signal；
The detection module, for being detected to the turbine rotating part according to the electric signal.
Optionally, the device of the detection turbine rotating part further includes：Luminous energy sends out component, rotor luminous energy reception group
Part；
The rotor luminous energy receiving unit, the rotor power supply circuit and the rotor optical signal send out component and the whirlpool
Turbine rotating part is fixedly connected, and the luminous energy sends out component, the optical signal transmission component and the optical signal receiving unit
It is detached with turbine rotating part；
The luminous energy, which sends out component and sends out illumination, to be mapped on the luminous energy receiving unit, and the rotor luminous energy receiving unit will
Luminous energy is converted into electric energy and is transmitted to the rotor power supply circuit, after the rotor power supply circuit completion filtering and voltage stabilizing that electric energy is defeated
It is sent to the measuring device.
Optionally, symmetrical cylindricality centered on the rotor luminous energy receiving unit, the rotor luminous energy receiving unit it is several
The rotation axis coincident of what center line and the turbine rotating part；
The luminous energy sends out symmetrical cylindricality centered on component, and the luminous energy sends out the geometric center lines of component and the whirlpool
The rotation axis coincident of turbine rotating part, the least radius that the luminous energy sends out component are more than the rotor luminous energy receiving unit
Maximum radius；
The rotor luminous energy receiving unit is made of solar battery sheet.
Optionally, the optical signal transmission component is made of multiple fiber optic bundles, and one end of the multiple fiber optic bundle is around described
Rotor optical signal sends out and is uniformly placed on the outside of the rotational trajectory of component, and the other end of the multiple fiber optic bundle pools together composition
Fiber-optic output, the fiber-optic output are connect with optical signal collection assembly, and the optical signal collection assembly collects the rotor
Optical signal sends out the optical signal that component is sent out, using the optical signal of multifiber transmission acquisition.
Optionally, optical signal collection assembly is luxuriant and rich with fragrance alunite lens arrangement.
Optionally, it is provided with photoelectric sensor in the optical signal receiving unit, for converting optical signals to electric signal；
It is provided with concentrating element in the optical signal receiving unit, the optical signal for exporting the fiber optic bundle focuses,
The image face of the concentrating element is the fiber-optic output, and the imaging surface of the concentrating element is photoelectric sensor.
Optionally, the concentrating element is luxuriant and rich with fragrance alunite lens arrangement.
Optionally, the luminous energy, which is sent out, is provided with comb tooth-shape structure, institute between component and the rotor luminous energy receiving unit
Stating comb tooth-shape structure does not interfere the luminous energy to send out component and the rotor luminous energy receiving unit relative rotation, and obstructs light.
Optionally, the rotor power supply circuit detects the input voltage of the rotor luminous energy receiving unit, and with the survey
The signal of amount device output exports together, and the optical signal receiving unit makes the signal transmission exported together to detection module
Obtain the luminous intensity that the controller sends out component according to luminous energy described in the Signal Regulation received so that the rotor luminous energy receives
The output voltage of component keeps stablizing.
Based on the above-mentioned technical proposal, the device of the detection turbine rotating part of the embodiment of the present invention, measuring device will obtain
The measuring signal taken is transmitted to rotor optical signal and sends out component, and rotor optical signal sends out component and converts measuring signal to light letter
Number, and transmit optical signal to optical signal transmission component；Optical signal transmission component receives optical signal, and is passed to optical signal receiving unit
Optical signals；Optical signal receiving unit receives optical signal, and converts optical signals to electric signal, and transmits telecommunications to detection module
Number；Detection module is detected turbine rotating part according to electric signal.To realize to the long-term of turbine rotating part
Continuous detection.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to do one simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of the device of the detection turbine rotating part of the embodiment of the present invention；
Fig. 2 is the surface structure schematic diagram of the device of the detection turbine rotating part of the embodiment of the present invention；
Fig. 3 is dotted box portion schematic enlarged-scale view in Fig. 1；
Fig. 4 is a kind of sectional view of the device of the detection turbine rotating part of the embodiment of the present invention；
Fig. 5 is the enlarged drawing of dotted box portion in Fig. 4.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the present invention provides a kind of device of detection turbine rotating part, including：Luminous energy is sent out
Component 11, rotor luminous energy receiving unit 12, rotor optical signal send out component 13, rotor power supply circuit 14, measuring device 15, light letter
Number transmission assembly 16, optical signal receiving unit 17, detection module 18；The rotor power supply circuit 14 is carried to the measuring device 15
For electric energy；
The rotor luminous energy receiving unit 12, the rotor power supply circuit 14 and the rotor optical signal send out group 13 with
The turbine rotating part 19 is fixedly connected, and the luminous energy sends out component 11, the optical signal transmission component 16 and the light
Signal receiving assembly 17 is detached with turbine rotating part 19；
The luminous energy, which sends out component 11 and sends out illumination, to be mapped on the luminous energy receiving unit 12, the rotor luminous energy reception group
Part 12 converts light energy into electric energy and is transmitted to the rotor power supply circuit 14, and the rotor power supply circuit 14 completes filtering and voltage stabilizing
After deliver the power to the measuring device 15；
Measuring signal is transmitted to the rotor optical signal and sends out component 13, the rotor optical signal by the measuring device 15
It sends out component 13 and converts electrical signals to optical signal, and the optical signal is transmitted to the optical signal transmission component 16；
The optical signal transmission component 16 is transmitted for receiving the optical signal, and to the optical signal receiving unit 17
The optical signal；
The optical signal receiving unit 17 is converted to electric signal for receiving the optical signal, and by the optical signal, and
The electric signal is transmitted to the detection module 18；
The detection module 18, for being detected to the turbine rotating part 19 according to the electric signal.
The device of the embodiment of the present invention, luminous energy, which sends out component 11 and sends out illumination, to be mapped on rotor luminous energy receiving unit 12, will
Luminous energy is converted into electric energy and is transmitted to rotor power supply circuit 14, and rotor power supply circuit 14 delivers the power to after completing filtering and voltage stabilizing
Measuring device 15；Measuring signal is transmitted to rotor optical signal and sends out component 13 by measuring device 15, and rotor optical signal sends out component
13 convert electrical signals to optical signal, and transmit optical signal to optical signal transmission component 16；Optical signal transmission component 16 receives light
Signal, and transmit optical signal to optical signal receiving unit 17；Optical signal receiving unit 17 receives optical signal, and optical signal is converted
For electric signal, and to 18 transmission telecommunications number of detection module；Detection module 18 examines turbine rotating part according to electric signal
It surveys.To realize the long-term continuous detection to turbine rotating part.
Fig. 2 is the surface structure schematic diagram of the device of the detection turbine rotating part of the embodiment of the present invention, Fig. 3 Fig. 1
Middle dotted box portion schematic enlarged-scale view, as shown in figure 3, rotor optical signal, which sends out component 13, shares 4, circumferentially equidistantly
From distribution, be fixed together with turbine rotating part 19,15 rotor optical signal of measuring device send out component 13 shine or not
It shines, usual rotor optical signal sends out the state that component 13 is in flicker or bright variation, and this optical signal contains measurement
The metrical information of device 15.
Measuring signal is transmitted to the rotor optical signal and sends out component 13, the rotor optical signal by the measuring device 15
It sends out component 13 and converts electrical signals to optical signal.
In the embodiment of the present invention, symmetrical cylindricality (such as cylindrical), institute centered on the rotor luminous energy receiving unit 12
State the rotation axis coincident of the geometric center lines and the turbine rotating part 19 of rotor luminous energy receiving unit 12；
The luminous energy sends out symmetrical cylindricality (such as cylindrical) centered on component 11, and the luminous energy sends out the several of component 11
The rotation axis coincident of what center line and the turbine rotating part 19, the luminous energy send out the minimum of 11 cylindricality end face of component
Radius is more than the maximum radius of the 12 cylindricality end face of rotor luminous energy receiving unit.
In the embodiment of the present invention, the rotor luminous energy receiving unit 12 can be made of solar battery sheet.Rotor luminous energy
After receiving unit 12 converts light energy into electric energy, it is conveyed to rotor power supply circuit 14, rotor power supply circuit 14 completes filtering and steady
Pressure is that the measuring device 15 on movable vane and rotor is powered.Rotor luminous energy receiving unit 12 is connected on rotor, and mounting means can be with
It is that there is hinge arrangement from rotor tip socket or rotor luminous energy receiving unit 12, can opens and on armature spindle.
In the embodiment of the present invention, the optical signal transmission component 16 is made of multiple fiber optic bundles, the multiple fiber optic bundle
One end sends out around the rotor optical signal and is uniformly placed on the outside of the rotational trajectory of component 13, and the other end of the multiple fiber optic bundle converges
It gathers together and constitutes fiber-optic output, the fiber-optic output is connect with optical signal collection assembly 20, the optical signal collection group
Part 20 collects the rotor optical signal and sends out the optical signal that component 13 is sent out, and the light using multifiber transmission acquisition is believed
Number.
In the embodiment of the present invention, optical signal collection assembly 20 is luxuriant and rich with fragrance alunite lens arrangement.
In the embodiment of the present invention, it is provided with photoelectric sensor 22 in the optical signal receiving unit 17, is used for optical signal
Be converted to electric signal；
As shown in Figure 1, concentrating element 21 is provided in the optical signal receiving unit, for export the fiber optic bundle
Optical signal focuses, and the image face of the concentrating element 21 is the fiber-optic output, and the imaging surface of the concentrating element is photoelectricity
Sensor 22.In the embodiment of the present invention, photoelectric sensor 22 is mainly made of photodiode, and the light that convex lens is transmitted is believed
It number is converted to electric signal and exports to detection module 18.
In the embodiment of the present invention, the concentrating element 21 is luxuriant and rich with fragrance alunite lens arrangement, and concentrating element 21 as shown in Figure 4 can be
Convex lens.
As shown in figure 3, the luminous energy is sent out is provided with comb tooth form between component 11 and the rotor luminous energy receiving unit 12
Structure 23, the comb tooth-shape structure 23 do not interfere the luminous energy to send out the opposite rotation with the rotor luminous energy receiving unit 12 of component 11
Turn, and obstructs light.
Specifically, comb tooth-shape structure 23, while not interfering the two relative rotation, barrier light outflow is extraneous, comb tooth form
Structure 23 obstructs the entrance of ambient while not interfering the two relative rotation.
Fig. 4 is a kind of sectional view of the device of the detection turbine rotating part of the embodiment of the present invention, and Fig. 5 is empty in Fig. 4
The enlarged drawing of frame portion.It is made of LED light source array as shown in figure 5, luminous energy sends out component 11, luminous energy sends out component 11 and surrounds
In the periphery of rotor luminous energy receiving unit 12, geometric central axis is overlapped with the axle center of rotor 1, and minimum diameter connects more than rotor luminous energy
The maximum radius of component 12 is received, comb toothing 23 matches with the comb toothing of rotor luminous energy receiving unit 12, it is ensured that the two can
It is not interfere with each other with mutually rotating.
In the embodiment of the present invention, the rotor power supply circuit 14 detects the input electricity of the rotor luminous energy receiving unit 12
Pressure, and the signal exported with the measuring device 15 exports together, the signal that the optical signal receiving unit 17 will export together
It is transmitted to detection module 18 so that the controller sends out the luminous strong of component 11 according to luminous energy described in the Signal Regulation received
Degree so that the output voltage of the rotor luminous energy receiving unit 12 keeps stablizing.
The device of the detection turbine rotating part of the embodiment of the present invention, luminous energy, which sends out component and sends out illumination and be mapped to luminous energy, to be connect
It receives on component, converts light energy into electric energy and be transmitted to rotor power supply circuit, rotor power supply circuit will be electric after completing filtering and voltage stabilizing
Measuring device can be transported to；Measuring signal is transmitted to rotor optical signal and sends out component by measuring device, and rotor optical signal sends out group
Part converts electrical signals to optical signal, and transmits optical signal to optical signal transmission component；Optical signal transmission component receives optical signal,
And transmit optical signal to optical signal receiving unit 17；Optical signal receiving unit 17 receives optical signal, and converts optical signals to electricity
Signal, and to detection module transmission telecommunications number；Detection module is detected turbine rotating part according to electric signal.To real
Now to the long-term continuous detection of turbine rotating part, and the reliability and stability of measurement data can be improved.
Those skilled in the art various changes and modifications can be made to the invention without departing from the present invention spirit and
Range.In this way, if these modifications and changes of the present invention is within the scope of the claims of the present invention and its equivalent technology,
Then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of device of detection turbine rotating part, which is characterized in that including：Luminous energy sends out component, rotor luminous energy receives
Component, rotor power supply circuit, rotor optical signal send out component, measuring device, optical signal transmission component, optical signal receiving unit,
Detection module；The rotor power supply circuit provides electric energy to the measuring device；
The luminous energy, which sends out component and sends out illumination, to be mapped on the luminous energy receiving unit；
The rotor luminous energy receiving unit converts light energy into electric energy and is transmitted to the rotor power supply circuit；
The rotor power supply circuit delivers the power to the measuring device after completing filtering and voltage stabilizing；
The measuring signal of acquisition is transmitted to the rotor optical signal and sends out component, the rotor optical signal hair by the measuring device
Go out component and convert the measuring signal to optical signal, and the optical signal is transmitted to the optical signal transmission component；
The optical signal transmission component transmits the light letter for receiving the optical signal, and to the optical signal receiving unit
Number；
The optical signal receiving unit is converted to electric signal for receiving the optical signal, and by the optical signal, and to described
Detection module transmits the electric signal；
The detection module, for being detected to the turbine rotating part according to the electric signal；The rotor luminous energy
Receiving unit, the rotor power supply circuit and the rotor optical signal, which send out component and fixed with the turbine rotating part, to be connected
It connects, the luminous energy sends out component, the optical signal transmission component and the optical signal receiving unit and turbine rotating part point
From；
The luminous energy sends out and is provided with comb tooth-shape structure between component and the rotor luminous energy receiving unit, the comb tooth-shape structure
It does not interfere the luminous energy to send out component and the rotor luminous energy receiving unit relative rotation, and obstructs light.
2. the apparatus according to claim 1, which is characterized in that symmetrical column centered on the rotor luminous energy receiving unit
Shape, the rotation axis coincident of the geometric center lines of the rotor luminous energy receiving unit and the turbine rotating part；
The luminous energy sends out symmetrical cylindricality centered on component, and the luminous energy sends out the geometric center lines of component and the turbine
The rotation axis coincident of rotating part, the least radius that the luminous energy sends out component are more than the rotor luminous energy receiving unit most
Large radius.
3. the apparatus according to claim 1, which is characterized in that the rotor luminous energy receiving unit is by solar battery sheet group
At.
4. the apparatus according to claim 1, which is characterized in that the optical signal transmission component is made of multiple fiber optic bundles,
One end of the multiple fiber optic bundle sends out around the rotor optical signal and is uniformly placed on the outside of the rotational trajectory of component, the multiple light
The other end of fine beam pools together composition fiber-optic output, and the fiber-optic output is connect with optical signal collection assembly, described
Optical signal collection assembly collects the rotor optical signal and sends out the optical signal that component is sent out, and transmits and acquires using the multifiber
Optical signal.
5. device according to claim 4, which is characterized in that optical signal collection assembly is luxuriant and rich with fragrance alunite lens arrangement.
6. device according to claim 4, which is characterized in that be provided with photoelectric sensing in the optical signal receiving unit
Device, for converting optical signals to electric signal；
It is provided with concentrating element in the optical signal receiving unit, the optical signal for exporting the fiber optic bundle focuses, described
The image face of concentrating element is the fiber-optic output, and the imaging surface of the concentrating element is photoelectric sensor.
7. device according to claim 6, which is characterized in that the concentrating element is luxuriant and rich with fragrance alunite lens arrangement.
8. the apparatus according to claim 1, which is characterized in that the rotor power supply circuit detects the rotor luminous energy and receives
The input voltage of component, and exported together with the signal of measuring device output, the optical signal receiving unit will be defeated together
The signal transmission gone out is to detection module so that controller sends out the luminous strong of component according to luminous energy described in the Signal Regulation received
Degree so that the output voltage of the rotor luminous energy receiving unit keeps stablizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410387446.4A CN104236876B (en) | 2014-08-07 | 2014-08-07 | Detect the device of turbine rotating part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410387446.4A CN104236876B (en) | 2014-08-07 | 2014-08-07 | Detect the device of turbine rotating part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104236876A CN104236876A (en) | 2014-12-24 |
| CN104236876B true CN104236876B (en) | 2018-09-14 |
Family
ID=52225395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410387446.4A Active CN104236876B (en) | 2014-08-07 | 2014-08-07 | Detect the device of turbine rotating part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104236876B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1973179A (en) * | 2004-05-14 | 2007-05-30 | 韩国科学技术研究院 | Monitoring device for rotating body |
| CN1989905A (en) * | 2005-12-30 | 2007-07-04 | 西门子（中国）有限公司 | CT slip-ring system based on optical fibre data-transmission |
| CN102575968A (en) * | 2009-10-08 | 2012-07-11 | 莫斯柯米尔斯公司 | Balance test indexing tool for balance-testing a rotor |
| CN103822660A (en) * | 2012-11-16 | 2014-05-28 | 财团法人资讯工业策进会 | Sensing device capable of converting light energy into electric energy and conversion method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3360479B1 (en) * | 2010-01-21 | 2019-12-18 | ARKRAY, Inc. | Electric power supply method |
-
2014
- 2014-08-07 CN CN201410387446.4A patent/CN104236876B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1973179A (en) * | 2004-05-14 | 2007-05-30 | 韩国科学技术研究院 | Monitoring device for rotating body |
| CN1989905A (en) * | 2005-12-30 | 2007-07-04 | 西门子（中国）有限公司 | CT slip-ring system based on optical fibre data-transmission |
| CN102575968A (en) * | 2009-10-08 | 2012-07-11 | 莫斯柯米尔斯公司 | Balance test indexing tool for balance-testing a rotor |
| CN103822660A (en) * | 2012-11-16 | 2014-05-28 | 财团法人资讯工业策进会 | Sensing device capable of converting light energy into electric energy and conversion method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104236876A (en) | 2014-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR850001135B1 (en) | Solar energy collector | |
| US10468906B2 (en) | Optical charging system with integrated sensor and power receiver | |
| NZ586016A (en) | Wind power electricity generating system and relative control method using an image sensor facing a rotary assembly surface | |
| CN109828286B (en) | Laser radar | |
| CN104236876B (en) | Detect the device of turbine rotating part | |
| CN101888271B (en) | Optical data transmission system between rotating body and fixed body | |
| CN201344457Y (en) | Intensive sunlight fiber-guided lighting device | |
| CN106352799A (en) | Measuring instrument for power transmission line tower | |
| CN106586023A (en) | Synchronous data acquisition system and method | |
| CN201497709U (en) | Separating endoscope | |
| CN108240305A (en) | Generator centering monitors system and method | |
| KR20140059949A (en) | Yaw system structure of wind power generator with a free cable rotation | |
| CN209579582U (en) | Joint electric energy short range transmission structure and the legged type robot and mechanical arm for applying it | |
| CN105092880A (en) | Device for shaft rotation speed measurement and method thereof | |
| CN204041345U (en) | A kind of wind turbine assembly supervisory device | |
| CN107378642A (en) | A kind of drilling and milling machine main shaft digital display velocity measurement mechanisms | |
| CN210038159U (en) | Laser radar | |
| CN2632319Y (en) | Photoelectric combined logging hoister slip rings | |
| CN102723984A (en) | Data transmission device based on plane reflection in computer tomoscan imaging equipment | |
| CN211427097U (en) | Bird repelling and parameter monitoring device for power transmission line | |
| CN102901522A (en) | Optical fibre transmission type rotary encoding device | |
| CN208937815U (en) | A kind of electronic eyepiece | |
| CN203953689U (en) | Be applied to data communication system and the CT machine of CT machine | |
| CN215178542U (en) | Data transmission device for testing strength of high-speed rotating part | |
| CN208203480U (en) | Generator centering monitors system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190820 Granted publication date: 20180914 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20191230 Granted publication date: 20180914 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200121 Address after: 102209 Beijing Changping District in the future of the national electric investment group Park in the future science city south of Beijing Patentee after: China United heavy-duty gas turbine technology Co., Ltd. Address before: 100084, Beijing, Haidian District science and Technology Park, Tsinghua Science and technology building, block C, 10 Patentee before: Beijing Huatsing Gas Turbine & IGCC Technology Co., Ltd. |