CN208294700U - Yawing brake system, yaw system and the wind power generating set of wind power generating set - Google Patents
Yawing brake system, yaw system and the wind power generating set of wind power generating set Download PDFInfo
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- CN208294700U CN208294700U CN201820994975.4U CN201820994975U CN208294700U CN 208294700 U CN208294700 U CN 208294700U CN 201820994975 U CN201820994975 U CN 201820994975U CN 208294700 U CN208294700 U CN 208294700U
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- 239000007788 liquid Substances 0.000 claims abstract description 34
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model provides the yawing brake system, yaw system and wind power generating set of a kind of wind power generating set, and the yawing brake system includes: hydraulic pump, reversal valve and brake oil cylinder；The hydraulic pump by the first port of the hydraulic pump by oil liquid be transported to the brake oil cylinder first port and the reversal valve first port and the hydraulic pump oil liquid is transported to the second port of the brake oil cylinder and the second port of the reversal valve by the second port of the hydraulic pump.Yawing brake system, yaw system and the wind power generating set of the wind power generating set of the utility model are directly connect with brake oil cylinder by hydraulic pump to reach braking effect, and pipeline is simple, and oil leak risk can be effectively reduced, and improve system reliability.
Description
Technical field
The utility model all things considered is related to technical field of wind power generation, more particularly, is related to a kind of wind-driven generator
Yawing brake system, yaw system and the wind power generating set of group.
Background technique
Wind-power electricity generation is the process for converting wind energy into electric energy.Since the wind-force and wind direction of natural wind field become constantly
Change, in order to efficiently utilize wind energy, the yaw system of wind power generating set makes leaf generally according to wind power generating set operating condition
Wheel is adjusted to correct direction windward, guarantees the generated energy of unit to greatest extent.Meanwhile when impeller is directed at wind direction, yaw
System can also provide necessary locking torque, to lock the position of impeller, guarantee the safe operation of wind power generating set.
The yawing brake system of wind power generating set provides brake force for yaw system, currently, wind power generating set is inclined
Boat braking system generallys use the mode of hydraulic braking, due to the pipeline of existing yawing brake system is complicated and leakage point compared with
It is more, it is easy to happen failure, the operational reliability of system is lower, it would be highly desirable to improve.
Utility model content
The purpose of this utility model is to provide a kind of yawing brake system of wind power generating set, yaw system and wind-force
Generating set can simplify pipeline, oil leak risk be effectively reduced, and improve system reliability.
The one side of the utility model provides a kind of yawing brake system of wind power generating set, comprising: hydraulic pump, commutation
Valve and brake oil cylinder；Oil liquid is transported to the brake oil cylinder by the first port of the hydraulic pump by the hydraulic pump
The first port and the hydraulic pump of first port and the reversal valve are defeated by oil liquid by the second port of the hydraulic pump
It is sent to the second port of the brake oil cylinder and the second port of the reversal valve.
Optionally, the yawing brake system of the wind power generating set further include: safety valve, wherein the reversal valve connects
It is connected to the safety valve and to the safety valve delivering oil.
Optionally, the yawing brake system of the wind power generating set further include: oil feeding reservoir, slippage pump and Fill valve,
In, the oil feeding reservoir is connected to the slippage pump and to the slippage pump delivering oil, and the slippage pump passes through the Fill valve
To the hydraulic pump delivering oil, wherein the safety valve is connected to the oil feeding reservoir.
Optionally, the yawing brake system of the wind power generating set further include: accumulator, wherein the accumulator
Oil inlet is connected to the slippage pump, and the oil outlet of the accumulator is connected to the Fill valve, so that the accumulator is from institute
Slippage pump is stated to receive oil liquid and pass through the Fill valve to the hydraulic pump delivering oil.
Optionally, the yawing brake system of the wind power generating set further include: motor, wherein the motor is connected to
The hydraulic pump simultaneously drives the hydraulic pump to operate.
Optionally, the hydraulic pump is integrated into the reversal valve, the safety valve, the slippage pump, the Fill valve
One.
The another aspect of the utility model also provides a kind of yaw system of wind power generating set, the wind power generating set
Yaw system include wind power generating set as described above yawing brake system.
The another aspect of the utility model also provides a kind of wind power generating set, and the wind power generating set includes institute as above
The yaw system for the wind power generating set stated.
Yawing brake system, yaw system and the wind power generating set of the wind power generating set of the utility model, pass through liquid
Press pump directly connect to reach braking effect with brake oil cylinder, and pipeline is simple, and oil leak risk can be effectively reduced.In addition, also
By the way that hydraulic pump and reversal valve, safety valve, slippage pump, Fill valve become one, the use of valve block is effectively reduced, is significantly mentioned
High system reliability.
Detailed description of the invention
By the detailed description carried out below in conjunction with the accompanying drawings, above and other objects, features and advantages of the utility model
It will become apparent, in which:
Fig. 1 shows the schematic diagram of the yawing brake system of the wind power generating set of embodiment according to the present utility model.
Specific embodiment
Now, different example embodiments is more fully described with reference to the accompanying drawings, wherein some exemplary embodiments are attached
It is shown in figure.
Referring to Fig. 1 describe the wind power generating set of embodiment according to the present utility model yawing brake system, partially
Boat system and wind power generating set.
Fig. 1 shows the schematic diagram of the yawing brake system of the wind power generating set of embodiment according to the present utility model.
Referring to Fig.1, the yawing brake system of the wind power generating set of embodiment according to the present utility model can include: hydraulic
Pump 100, reversal valve 200 and brake oil cylinder 300.
Hydraulic pump 100 is connected to reversal valve 200 and brake oil cylinder 300.
Oil liquid can be transported to 302 He of first port of brake oil cylinder 300 by hydraulic pump 100 by its first port 102
The first port 202 of reversal valve 200.
As an example, hydraulic pump 100 receives the first control signal sent when wind power generating set starting yaw, and respond
Change swash plate angle in the first control signal received, makes first port 102 that oil liquid is transported to brake oil cylinder 300
First port 302 and the first port of reversal valve 200 202 (that is, the flow direction of oil liquid be B to).
On the other hand, oil liquid can be transported to the second of brake oil cylinder 300 by its second port 104 by hydraulic pump 100
The second port 204 of port 304 and reversal valve 200.
As an example, hydraulic pump 100, which receives wind power generating set, stops the second control signal sending when yaw, and respond
Change swash plate angle in the second control signal received, makes second port 104 that oil liquid is transported to brake oil cylinder 300
Second port 304 and the second port of reversal valve 200 204 (that is, the flow direction of oil liquid be A to).
As an example, hydraulic pump 100 can be the two-way hydraulic pump of enclosed.
As an example, reversal valve 200 can be pilot operated directional control valve.
It executes braking it should be appreciated that brake oil cylinder 300 can be used for driving brake piece or releases braking.
In addition, the yawing brake system of wind power generating set can further include: safety valve 400.
Reversal valve 200 is connected to safety valve 400, and can be to 400 delivering oil of safety valve.
In particular, oil liquid is transported to peace by reversal valve 200 when system pressure reaches preset maximum pressure value
Full valve 400 prevents system pressure excessively high and damages device so that safety valve 400 plays the role of overvoltage protection.As an example,
Safety valve 400 can be overflow valve.
The yawing brake system of wind power generating set can further include: oil feeding reservoir 500, slippage pump 600 and Fill valve 700.
Oil feeding reservoir 500 is connected to slippage pump 600 and to 600 delivering oil of slippage pump, and slippage pump 600 passes through Fill valve 700
To 100 delivering oil of hydraulic pump.As an example, oil feeding reservoir 500 and slippage pump 600 can pass through piping connection.
Safety valve 400 is connected to oil feeding reservoir 500, so as to 500 delivering oil of oil feeding reservoir.For example, as described above, when being
When system pressure reaches preset maximum pressure value, oil liquid is transported to safety valve 400 by reversal valve 200, and safety valve 400 will connect
The oil liquid of receipts is transported to oil feeding reservoir 500.As an example, safety valve 400 and oil feeding reservoir 500 can be by connecting inside pump head.
Preferably, hydraulic pump 100 can be integrated into one with reversal valve 200, safety valve 400, slippage pump 600, Fill valve 700
Body.
In addition, the yawing brake system of wind power generating set can further include: accumulator 800.
The oil inlet of accumulator 800 is connected to slippage pump 600, and the oil outlet of accumulator 800 is connected to Fill valve 700, from
And accumulator 800 receives oil liquid from slippage pump 600 and passes through Fill valve 700 to 100 delivering oil of hydraulic pump.In this way, even if mending
Oil pump 600 breaks down, and accumulator 800 also can be used as repairing oil sources, to 100 delivering oil of hydraulic pump.As an example, accumulator
800 modes that threeway can be used are connected to slippage pump 600 and Fill valve 700, that is, the oil inlet of accumulator 800 is as threeway
A port is connected to slippage pump 600, and the oil outlet of accumulator 800 is connected to Fill valve 700 as another port of threeway.
The yawing brake system of wind power generating set can further include: motor 900.
Motor 900 is connected to hydraulic pump 100 and hydraulic pump 100 is driven to operate.
As an example, motor 900 can be connected to hydraulic pump 100 by shaft coupling.
It should be appreciated that Fill valve 700 can be used for that hydraulic pump 100 is prevented to be emptied, oil liquid is supplemented.
The course of work of the yawing brake system of wind power generating set is described in detail below.
When the yaw motor of wind power generating set starts yaw, hydraulic pump 100 receives wind power generating set starting yaw
When the first control signal that sends, and change swash plate angle in response to the first control signal received, make hydraulic pump 100
First port 102 exports oil liquid (that is, the flow direction of oil liquid be B to), and oil liquid pressure makes reversal valve 200 commutate to bottom, from
And oil liquid flows into safety valve 400 by the first port 202 of reversal valve 200；Also, the first port 102 of hydraulic pump 100 exports
Oil liquid also flow into the first port 302 of brake oil cylinder 300, so that brake oil cylinder 300 is bounced back, to brake block 10 and stop
Hull 20 separates, to release braking.When brake oil cylinder 300 retracts to most casual labourer position, system pressure is increased, and works as pressure rise
To hydraulic pump first pressure cutoff value (for example, 2Mpa) when, the swash plate angle of hydraulic pump 100 is reduced, 100 flow of hydraulic pump dimension
The flow of internal system leakage is held, meanwhile, 800 oil inlet of accumulator receives oil liquid, accumulator from the oil outlet of slippage pump 600
800 oil outlet supplements oil liquid to hydraulic pump 100 by Fill valve 700, to prevent hydraulic pump 100 to be emptied.
When the yaw motor of wind power generating set stops working, hydraulic pump 100 receives wind power generating set and stops yaw
When the second control signal that sends, and the second control signal in response to receiving changes swash plate angle, makes the of hydraulic pump 100
Two-port netwerk 104 exports oil liquid (that is, the flow direction of oil liquid be A to), and it is upper that oil liquid pressure commutates to reversal valve 200, thus
Oil liquid flows into safety valve 400 by the second port 204 of reversal valve 200；Also, the second port 104 of hydraulic pump 100 exports
Oil liquid also flow into the second port 304 of brake oil cylinder 300, stretch out brake oil cylinder 300, thus brake block 10 and brake
Disk 20 contacts, to execute braking.When brake oil cylinder 300 stretch out pressure reach hydraulic pump second pressure cutoff value (for example,
When 16Mpa), the swash plate angle of hydraulic pump 100 is reduced, and 100 flow of hydraulic pump maintains the flow of internal system leakage, meanwhile, it stores
Can 800 oil inlet of device from the oil outlet of slippage pump 600 receive oil liquid, the oil outlet of accumulator 800 is by Fill valve 700 to hydraulic
100 supplement oil liquid of pump, to prevent hydraulic pump 100 to be emptied.
In addition, embodiment according to the present utility model also provides a kind of yaw system of wind power generating set, including as above
The yawing brake system of the wind power generating set.
In addition, embodiment according to the present utility model also provides a kind of wind power generating set, including wind-force as described above
The yaw system of generating set.
In addition, the yawing brake system of the wind power generating set of the embodiments of the present invention, yaw system and wind-force hair
Motor group is directly connect with brake oil cylinder by hydraulic pump to reach braking effect, and pipeline is simple, and oil leak can be effectively reduced
Risk.In addition, also effectively reducing valve block by the way that hydraulic pump and reversal valve, safety valve, slippage pump, Fill valve become one
Use, significantly improve system reliability.
Although being particularly shown and describing the utility model referring to its exemplary embodiment, the technology of this field
Personnel, can be to it should be understood that in the case where not departing from the spirit and scope of the utility model defined by claim
It carries out various changes of form and details.
Claims (8)
1. a kind of yawing brake system of wind power generating set, which is characterized in that the yawing brake system includes: hydraulic pump
(100), reversal valve (200) and brake oil cylinder (300)；
Oil liquid is transported to the brake oil by the first port (102) of the hydraulic pump (100) by the hydraulic pump (100)
The first port (302) of cylinder (300) and the first port (202) of the reversal valve (200), and
Oil liquid is transported to the brake oil by the second port (104) of the hydraulic pump (100) by the hydraulic pump (100)
The second port (304) of cylinder (300) and the second port (204) of the reversal valve (200).
2. yawing brake system as described in claim 1, which is characterized in that the yawing brake system further include: safety valve
(400),
Wherein, the reversal valve (200) is connected to the safety valve (400) and to the safety valve (400) delivering oil.
3. yawing brake system as claimed in claim 2, which is characterized in that the yawing brake system further include: oil feeding reservoir
(500), slippage pump (600) and Fill valve (700),
Wherein, the oil feeding reservoir (500) is connected to the slippage pump (600) and to the slippage pump (600) delivering oil, described
Slippage pump (600) by the Fill valve (700) to the hydraulic pump (100) delivering oil,
Wherein, the safety valve (400) is connected to the oil feeding reservoir (500).
4. yawing brake system as claimed in claim 3, which is characterized in that the yawing brake system further include: accumulator
(800),
Wherein, the oil inlet of the accumulator (800) is connected to the slippage pump (600), the oil outlet of the accumulator (800)
The Fill valve (700) are connected to, so that the accumulator (800) receives oil liquid from the slippage pump (600) and passes through described
Fill valve (700) is to the hydraulic pump (100) delivering oil.
5. yawing brake system as described in claim 1, which is characterized in that the yawing brake system further include: motor
(900),
Wherein, the motor (900) is connected to the hydraulic pump (100) and the hydraulic pump (100) is driven to operate.
6. yawing brake system as claimed in claim 3, which is characterized in that the hydraulic pump (100) and the reversal valve
(200), the safety valve (400), the slippage pump (600), the Fill valve (700) become one.
7. a kind of yaw system of wind power generating set, which is characterized in that the yaw system of the wind power generating set includes such as
The yawing brake system of wind power generating set described in any one of claim 1-6.
8. a kind of wind power generating set, which is characterized in that the wind power generating set includes wind-force hair as claimed in claim 7
The yaw system of motor group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820994975.4U CN208294700U (en) | 2018-06-26 | 2018-06-26 | Yawing brake system, yaw system and the wind power generating set of wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820994975.4U CN208294700U (en) | 2018-06-26 | 2018-06-26 | Yawing brake system, yaw system and the wind power generating set of wind power generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208294700U true CN208294700U (en) | 2018-12-28 |
Family
ID=64702506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820994975.4U Active CN208294700U (en) | 2018-06-26 | 2018-06-26 | Yawing brake system, yaw system and the wind power generating set of wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208294700U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219837A (en) * | 2019-07-10 | 2019-09-10 | 无锡华瀚能源装备科技有限公司 | A kind of closed type hydraulic system for oil cylinder driving |
| CN111322328A (en) * | 2020-03-16 | 2020-06-23 | 中国北方车辆研究所 | Pump control cylinder hydraulic system for brake system actuation control |
| CN113858883A (en) * | 2020-06-30 | 2021-12-31 | 比亚迪股份有限公司 | Steering axle assembly, steering control system and vehicle |
-
2018
- 2018-06-26 CN CN201820994975.4U patent/CN208294700U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219837A (en) * | 2019-07-10 | 2019-09-10 | 无锡华瀚能源装备科技有限公司 | A kind of closed type hydraulic system for oil cylinder driving |
| CN111322328A (en) * | 2020-03-16 | 2020-06-23 | 中国北方车辆研究所 | Pump control cylinder hydraulic system for brake system actuation control |
| CN111322328B (en) * | 2020-03-16 | 2021-08-27 | 中国北方车辆研究所 | Pump control cylinder hydraulic system for brake system actuation control |
| CN113858883A (en) * | 2020-06-30 | 2021-12-31 | 比亚迪股份有限公司 | Steering axle assembly, steering control system and vehicle |
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