CN207145137U - A kind of blower fan is overrun detection control apparatus - Google Patents
A kind of blower fan is overrun detection control apparatus Download PDFInfo
- Publication number
- CN207145137U CN207145137U CN201720952969.8U CN201720952969U CN207145137U CN 207145137 U CN207145137 U CN 207145137U CN 201720952969 U CN201720952969 U CN 201720952969U CN 207145137 U CN207145137 U CN 207145137U
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- fan blade
- axle
- blade hub
- hub axle
- overrun
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- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000005457 optimization Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 208000033999 Device damage Diseases 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Overrun detection control apparatus the utility model discloses a kind of blower fan, including wind impeller boss (1), fan blade hub axle (3), rear transfer axle (4), wheel hub bracing strut (5), some fan blades (2) are provided with wind impeller boss (1), fan blade hub axle (3) is rotatablely connected with wheel hub bracing strut (5), and rear transfer axle (4) is rotatablely connected with wheel hub bracing strut (5)；The end of the fan blade hub axle (3) is fixedly connected with the tail end of wind impeller boss (1), driving gear (6) is socketed with hub spindle (1), driven gear (7) is socketed with rear transfer axle (4), fan blade hub axle (3) be arranged in parallel with rear transfer axle (4), and driving gear (6) engages with driven gear (7).The drawbacks of overcoming prior art the utility model has the advantage of it, novelty reasonable in design.
Description
Technical field
It the utility model is related to a kind of blower fan to overrun detection control apparatus, belong to wind power generation field.
Background technology
With the getting worse of energy problem, the energy and environmental problem have been faced main as Global Sustainable Development
Problem, the wide model of international community is increasingly caused to be paid close attention to.Greatly developing new energy becomes the fundamental way to solve the above problems, wind
It is important component in New Energy Industry that power, which generates electricity, and perhaps coming years Wind Power Generation Industry is by as the pillar industry of the country,
Have the advantages that take up an area less, pollution-free, the construction period is short, installation scaleable, by the extensive concern of countries in the world, whole
Powerful growth momentum is showed on world electricity market.When wind power equipment works, because wind-force is excessive, the wheel of wind power equipment
Hub axle is easily rotated and overrun, and rotation is overrun and can damage hub spindle and make hub spindle excessive wear, if the rotating speed of whole unit
It is out of hand, Wind turbines driving can be caused, whole equipment can be damaged.
Utility model content
Goal of the invention of the present utility model is：For existing for prior art " when wind power equipment works, due to wind-force
Excessive, the hub spindle of wind power equipment, which easily rotates, is overrun, and rotation is overrun and can damage hub spindle and make hub spindle excessive wear, such as
The rotating speed of the whole unit of fruit is out of hand, can cause Wind turbines driving, can damage whole equipment " the problem of, there is provided it is a kind of
Blower fan is overrun detection control apparatus.
In order to solve the above technical problems, the utility model adopts the technical scheme that, a kind of blower fan, which is overrun, detects control dress
Put, including wind impeller boss, fan blade hub axle, rear transfer axle, wheel hub bracing strut, some fan blades, wind are provided with wind impeller boss
Impeller hub axle is connected with hub spindle holder pivots, and rear transfer axle is connected with hub spindle holder pivots；The fan blade hub axle
End is fixedly connected with the tail end of wind impeller boss, and driving gear is socketed with hub spindle, passive tooth is socketed with rear transfer axle
Wheel, fan blade hub axle be arranged in parallel with rear transfer axle, and driving gear engages with driven gear；The tail end of the fan blade hub axle
It is provided with speed detector and deceleration device, the control signal of the output end connection deceleration device of speed detector.
In the technical scheme of the application, there is provided speed detector and deceleration device, when speed detector detects
After the rotating speed of fan blade hub axle is overrun, the tach signal of fan blade hub axle is transferred to deceleration device, passes through deceleration device
Fan blade hub axle is slowed down, and prevents fan blade hub axle is overrun from causing device damage.
Optimization, above-mentioned blower fan is overrun detection control apparatus, it is characterised in that：The speed detector includes sender
Disk, velocity sensor, sender set are socketed on the tail end of fan blade hub axle；The velocity sensor includes two opposed correlations
Photoelectric sensor, two correlation photoelectric sensors are respectively arranged at the both sides of sender set；One is provided with the sender set
The transmitting terminal of through hole, through hole and correlation photoelectric sensor is equipped with.
In the technical scheme of the application, two correlation photoelectric sensors are opposed and relative transmission infrared light, work as sender set
On through hole by two correlation photoelectric sensors when, electric signal is transferred to the defeated of deceleration device by correlation photoelectric sensor
Enter end.
Optimization, above-mentioned blower fan is overrun detection control apparatus, and the deceleration device includes driving belt, load, tension force are adjusted
Engagement positions, load are connected with fan blade hub axle by driving belt；The tension adjusting device includes linear motion electric cylinders and electricity
Cylinder control circuit, the electric cylinders bar top for the electric cylinders that move along a straight line are rotatably connected to the outer surface of rotating wheel, rotating wheel and driving belt
Sliding contact；The input of the output end connection electric cylinders control circuit of the correlation photoelectric sensor, electric cylinders control circuit
The control signal of output end connection linear motion electric cylinders.
Optimization, above-mentioned blower fan is overrun detection control apparatus, and the load be a rotary flywheel, and rotary flywheel is solid
Metallic.
In the technical scheme of the application, by increasing the rotational energy of load consumption fan blade hub axle for fan blade hub axle,
Reduce the rotating speed of fan blade hub axle.After electric signal is transferred to electric cylinders control circuit by correlation photoelectric sensor, electric cylinders control
After circuit is overrun by count detection to fan blade hub axle, by controlling the electric cylinders bar for the electric cylinders that move along a straight line to stretch out rotating wheel
With driving belt compressive contact, increase the tension force of driving belt so that load rotates with wind impeller boss axle, reduces fan blade hub axle
Rotational energy, so as to reduce the rotating speed of fan blade hub axle.
Optimization, above-mentioned blower fan is overrun detection control apparatus, is socketed with belt pulley in the fan blade hub axle, belt pulley with
Fan blade hub axle is fixedly connected, and one end of driving belt is socketed on the surface of belt pulley.
Optimization, above-mentioned blower fan is overrun detection control apparatus, and the belt pulley and load are provided with groove, driving belt
It is arranged in groove.
In the technical scheme of the application, fan blade hub axle is connected by belt pulley with driving belt, because driving belt exists
It is smaller with the contact of belt pulley, load when fan blade hub axle does not exceed the speed limit, in order to prevent driving belt and belt pulley, load de-
From contact, the application adds groove, limits the lateral movement of driving belt.
The drawbacks of overcoming prior art the utility model has the advantage of it, novelty reasonable in design.The application's
In technical scheme, when fan blade becomes oar, swept resistance movable contact, changed with the contact position of swept resistance, so that
The resistance value for the circuit being sequentially connected in series by sliding contact, power taking sheet metal, swept resistance movable contact, swept resistance becomes
Change, fan blade become oar detection electric circuit inspection resistance value change after according to change in resistance control the revolving power mechanism anglec of rotation so that
Obtain fan blade change propeller angle to be accurately controlled, improve the efficiency that blower fan receives wind energy.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the attachment structure schematic diagram of deceleration device of the present utility model.
Embodiment
The technical characterstic of the present invention is expanded on further with specific embodiment below in conjunction with the accompanying drawings.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, it is not used to limit the utility model.
Overrun detection control apparatus, including wind impeller boss 1, wind impeller boss as illustrated, the utility model is a kind of blower fan
Axle 3, rear transfer axle 4, wheel hub bracing strut 5, some fan blades 2, fan blade hub axle 3 and hub spindle branch are provided with wind impeller boss 1
Frame 5 is rotatablely connected, and rear transfer axle 4 is rotatablely connected with wheel hub bracing strut 5；The end of the fan blade hub axle 3 and wind impeller boss 1
Tail end be fixedly connected, driving gear 6 is socketed with hub spindle 1, driven gear 7, wind impeller boss are socketed with rear transfer axle 4
Axle 3 be arranged in parallel with rear transfer axle 4, and driving gear 6 engages with driven gear 7；The tail end of the fan blade hub axle 3 is provided with
Speed detector and deceleration device, the control signal of the output end connection deceleration device of speed detector.
In the technical scheme of the application, there is provided speed detector and deceleration device, when speed detector detects
After the rotating speed of fan blade hub axle 3 is overrun, the tach signal of fan blade hub axle 3 is transferred to deceleration device, made by deceleration device
Obtain fan blade hub axle 3 to slow down, prevent fan blade hub axle 3 is overrun from causing device damage.
The speed detector includes sender set 8, velocity sensor, and sender set 8 is socketed on the tail of fan blade hub axle 3
End；The velocity sensor includes two opposed correlation photoelectric sensors 9, and two correlation photoelectric sensors 9 are set respectively
It is placed in the both sides of sender set 8；A through hole 81, through hole 81 and the hair of correlation photoelectric sensor 9 are provided with the sender set 8
End is penetrated to be equipped with.
In the technical scheme of the application, two correlation photoelectric sensors 9 are opposed and relative transmission infrared light, work as sender set
When through hole 81 on 8 is by two correlation photoelectric sensors 9, electric signal is transferred to deceleration dress by correlation photoelectric sensor 9
The input put.
The deceleration device includes driving belt 10, load 11, tension adjusting device, and load 11 is logical with fan blade hub axle 3
Driving belt 10 is crossed to connect；The tension adjusting device includes linear motion electric cylinders 12 and electric cylinders control circuit 14, linear motion
The electric cylinders bar top of electric cylinders 12 is rotatably connected to rotating wheel 13, the outer surface sliding contact of rotating wheel 13 and driving belt 10；Institute
State the input of the output end connection electric cylinders control circuit 14 of correlation photoelectric sensor 9, the output end of electric cylinders control circuit 14
The control signal of connection linear motion electric cylinders 12.
The load 11 is a rotary flywheel, and rotary flywheel is solid metal matter.
In the technical scheme of the application, by the rotation energy for increasing load consumption fan blade hub axle 3 for fan blade hub axle 3
Amount, reduce the rotating speed of fan blade hub axle 3.After electric signal is transferred to electric cylinders control circuit 14 by correlation photoelectric sensor 9, electricity
After cylinder control circuit 14 is overrun by count detection to fan blade hub axle 3, by controlling the electric cylinders bar for the electric cylinders 12 that move along a straight line to stretch
Go out so that rotating wheel 13 and the compressive contact of driving belt 10, the tension force of increase driving belt 10 so that load 11 is with wind impeller boss
Axle 3 rotates, and the rotational energy of fan blade hub axle 3 is reduced, so as to reduce the rotating speed of fan blade hub axle 3.
Belt pulley 15 is socketed with the fan blade hub axle 3, belt pulley 15 is fixedly connected with fan blade hub axle 3, is driven skin
The surface of belt pulley 15 is socketed on 10 one end.
The belt pulley 15 and load 11 are provided with groove 17, and driving belt 10 is arranged in groove 17.
In the technical scheme of the application, fan blade hub axle 3 is connected by belt pulley 15 with driving belt 10, due to being driven skin
With 10 when fan blade hub axle 3 does not exceed the speed limit with belt pulley 15, load 11 contact it is smaller, in order to prevent driving belt 10 with
Belt pulley 15, load 11 disengage, and the application adds groove 17, limit the lateral movement of driving belt 10.
Ring-shaped slide projection 18 and the support fan blade 2 that is equipped with of ring-shaped slide groove 19 are rotating, and prevent fan blade 2 from rotating
During misplace.
Certainly, it is to limitation of the present utility model that described above, which is not, and the utility model is also not limited to the example above, this
The those of ordinary skill of technical field, in essential scope of the present utility model, the variations, modifications, additions or substitutions made, all
The scope of protection of the utility model should be belonged to.
Claims (6)
- The detection control apparatus 1. a kind of blower fan is overrun, it is characterised in that：Including wind impeller boss (1), fan blade hub axle (3), rear portion Power transmission shaft (4), wheel hub bracing strut (5), some fan blades (2), fan blade hub axle (3) and hub spindle are provided with wind impeller boss (1) Support (5) is rotatablely connected, and rear transfer axle (4) is rotatablely connected with wheel hub bracing strut (5)；The end of the fan blade hub axle (3) It is fixedly connected with the tail end of wind impeller boss (1), driving gear (6) is socketed with hub spindle (3), rear transfer axle is socketed on (4) There is driven gear (7), fan blade hub axle (3) is be arranged in parallel with rear transfer axle (4), and driving gear (6) is nibbled with driven gear (7) Close；The tail end of the fan blade hub axle (3) is provided with speed detector and deceleration device, and the output end of speed detector connects Connect the control signal of deceleration device.
- The detection control apparatus 2. blower fan according to claim 1 is overrun, it is characterised in that：The speed detector includes Sender set (8), velocity sensor, sender set (8) are socketed on the tail end of fan blade hub axle (3)；The velocity sensor includes two Individual opposed correlation photoelectric sensor (9), two correlation photoelectric sensors (9) are respectively arranged at the both sides of sender set (8)； A through hole (81) is provided with the sender set (8), the transmitting terminal cooperation of through hole (81) and correlation photoelectric sensor (9) is set Put.
- The detection control apparatus 3. blower fan according to claim 2 is overrun, it is characterised in that：The deceleration device includes transmission Belt (10), load (11), tension adjusting device, load (11) are connected with fan blade hub axle (3) by driving belt (10)；Institute Stating tension adjusting device includes linear motion electric cylinders (12) and electric cylinders control circuit (14), the electric cylinders bar of linear motion electric cylinders (12) Top is rotatably connected to rotating wheel (13), the outer surface sliding contact of rotating wheel (13) and driving belt (10)；The correlation The input of the output end connection electric cylinders control circuit (14) of photoelectric sensor (9), the output end of electric cylinders control circuit (14) connect Connect the control signal of linear motion electric cylinders (12).
- The detection control apparatus 4. blower fan according to claim 3 is overrun, it is characterised in that：The load (11) is one and turned Dynamic flywheel, rotary flywheel is solid metal matter.
- The detection control apparatus 5. blower fan according to claim 3 is overrun, it is characterised in that：On the fan blade hub axle (3) Belt pulley (15) is socketed with, belt pulley (15) is fixedly connected with fan blade hub axle (3), and one end of driving belt (10) is socketed on skin The surface of belt wheel (15).
- The detection control apparatus 6. blower fan according to claim 5 is overrun, it is characterised in that：The belt pulley (15) and load (11) groove (17) is provided with, driving belt (10) is arranged in groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720952969.8U CN207145137U (en) | 2017-08-01 | 2017-08-01 | A kind of blower fan is overrun detection control apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720952969.8U CN207145137U (en) | 2017-08-01 | 2017-08-01 | A kind of blower fan is overrun detection control apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207145137U true CN207145137U (en) | 2018-03-27 |
Family
ID=61674083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720952969.8U Expired - Fee Related CN207145137U (en) | 2017-08-01 | 2017-08-01 | A kind of blower fan is overrun detection control apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207145137U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160869A (en) * | 2020-09-10 | 2021-01-01 | 华电电力科学研究院有限公司 | Over-speed prevention protection device for impeller of wind turbine generator and control method |
| CN112180114A (en) * | 2020-10-28 | 2021-01-05 | 深圳市海科船舶工程有限公司 | Boats and ships host computer rotational speed detection test instrument |
-
2017
- 2017-08-01 CN CN201720952969.8U patent/CN207145137U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160869A (en) * | 2020-09-10 | 2021-01-01 | 华电电力科学研究院有限公司 | Over-speed prevention protection device for impeller of wind turbine generator and control method |
| CN112160869B (en) * | 2020-09-10 | 2022-06-07 | 华电电力科学研究院有限公司 | Over-speed prevention protection device for impeller of wind turbine generator and control method |
| CN112180114A (en) * | 2020-10-28 | 2021-01-05 | 深圳市海科船舶工程有限公司 | Boats and ships host computer rotational speed detection test instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190813 Address after: 100052 801-03, 8th Floor, No. 1 Caishikou Street, Xicheng District, Beijing Patentee after: BEIJING TANGHAO POWER ENGINEERING TECHNOLOGY RESEARCH CO.,LTD. Address before: 102199 No. 1363 Kangxi Road, Badaling Economic Development Zone, Yanqing District, Beijing Patentee before: BEIJING PUHUA YINENG WIND POWER TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 |