CN101629546B - Integration hydraulic brake system of wind generating set - Google Patents
Integration hydraulic brake system of wind generating set Download PDFInfo
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- CN101629546B CN101629546B CN2009103061449A CN200910306144A CN101629546B CN 101629546 B CN101629546 B CN 101629546B CN 2009103061449 A CN2009103061449 A CN 2009103061449A CN 200910306144 A CN200910306144 A CN 200910306144A CN 101629546 B CN101629546 B CN 101629546B
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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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Abstract
The invention relates to an integration hydraulic brake system of a wind generating set, comprising a main bearing brake cylinder, a yaw brake cylinder, a locking cylinder and an integration brake device, and all parts are mutually connected by pipelines provided with a stop valve, a manual exchange valve and a magnetic exchange valve with the function of manual operation, wherein a pressure switch I for alarming is arranged at an oil leaking port of the brake cylinder. The hydraulic brake system has the advantages of manual operation function, compact volume, simple structure and simple operation.
Description
Technical field
The present invention relates to a kind of hydraulic braking sytem, especially relate to a kind of integration hydraulic brake system of wind generating set.
Background technique
The braking system of wind-driven generator comprises the locking braking three parts of principal shaft braking, driftage braking and locking cylinder, is the wind power generating set important component part.
Summary of the invention
Wind-driven generator has very high requirement to the Security and the reliability of braking system: not only under the normal situation of network operation, can reliably brake, and require under the situation that electrical breakdown or electrical system break down, also will possess the ability of reliable braking, and structure to want simple.In addition, under different operating modes, the desired braking force of wind power generating set is different.
At present, what the master cylinder of wind power generating set braking system adopted all is coupled in series, after wherein certain cylinder damages, can't judge which cylinder sewing, more can't monitor by the wind-driven generator unit automatic control system, cause difficulty for quick failure judgement point, thereby its Security and less reliable; Structure is also complicated, to the brake operating of locking cylinder, all by manually finishing inconvenient operation; The retardation pressure that provides also has only a kind of or two kinds, can not satisfy under different operating modes, and wind power generating set is to the different requirements of braking force.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective that prior art exists, a kind of reliable operation is provided, simple in structure, easy to operate, the integration hydraulic brake system of wind generating set of multiple retardation pressure can be provided.
The objective of the invention is to be achieved through the following technical solutions: it comprises the main bearing master cylinder with principal shaft braking function, driftage master cylinder with driftage braking function, locking cylinder with locking braking function, also be provided with the integration hydraulic brake device, the main bearing master cylinder is connected with the A hydraulic fluid port of the solenoid directional control valve III of band manual operation function by the M hydraulic fluid port of integration hydraulic brake device, the P hydraulic fluid port of solenoid directional control valve III is by the stop valve II, the one-way valve I links to each other with electric hydraulic pump, be connected with the accumulator II by one-way throttle valve between solenoid directional control valve III and the stop valve II, the oil outlet of electric hydraulic pump links to each other with the A hydraulic fluid port of safety valve by the one-way valve I, the electric hydraulic pump filler opening is communicated with fuel tank, the hydraulic hand-pump filler opening also is communicated with fuel tank, the hydraulic hand-pump oil outlet is connected with the P hydraulic fluid port of hand-operated direction valve by the one-way valve III, the P hydraulic fluid port of hand-operated direction valve links to each other with the A hydraulic fluid port of throttle valve, the B hydraulic fluid port of throttle valve respectively with the one-way valve I, the stop valve II, the stop valve I, the A hydraulic fluid port of safety valve links to each other, hydraulic hand-pump all is communicated with the P hydraulic fluid port of hand-operated direction valve with the oil outlet of electric hydraulic pump, the A of hand-operated direction valve, two hydraulic fluid ports of B are the C by the integration hydraulic brake device respectively, two hydraulic fluid ports of D link to each other with the locking cylinder hydraulic fluid port, the driftage master cylinder links to each other with the A hydraulic fluid port of the solenoid directional control valve II with manual operation function by the Y hydraulic fluid port of integration hydraulic brake device, the P hydraulic fluid port of solenoid directional control valve II links to each other with the stop valve II by the one-way valve II, the T hydraulic fluid port of solenoid directional control valve II links to each other with the A hydraulic fluid port of relief valve II, the B hydraulic fluid port of relief valve II connects fuel tank, be provided with solenoid directional control valve I between driftage master cylinder and the solenoid directional control valve II with manual operation function, the P hydraulic fluid port of solenoid directional control valve I links to each other with the A hydraulic fluid port of relief valve I, the B hydraulic fluid port of relief valve I connects fuel tank, be provided with the accumulator I between solenoid directional control valve I and the relief valve I, the main bearing master cylinder is connected with the L hydraulic fluid port of integration hydraulic brake device by oil pipe with the leakage hydraulic fluid port of driftage master cylinder, the L hydraulic fluid port connects the one-way valve IV, connect fuel tank by the one-way valve IV, between L hydraulic fluid port and one-way valve IV, be provided with a pressure switch I.
The leakage hole of described main bearing master cylinder is connected transparent hydraulic hose respectively with the leakage hole of driftage master cylinder, every transparent hydraulic hose all is connected with the hydraulic fluid port L of integration hydraulic brake device by the one-way valve V, just arrive fluid situation in the transparent hydraulic hose as can be known by manual observation, conclude the fault point fast.
Described every transparent hydraulic hose is externally connected with the pressure switch II of automatic warning usefulness, is beneficial to further realize reliably the automatic monitoring of leakage point, guarantees the security of operation of wind power generating set more reliably.
Hydraulic braking sytem of the present invention possesses manual operation function, and volume is small and exquisite, and compact structure is simple to operate, under the situation that electrical breakdown, electric hydraulic pump lost efficacy, can realize the blower fan safety brake manually; Also have the automatic trouble diagnosis ability, the pipe connection system of master cylinder of the present invention and integration hydraulic brake device can judge fast which master cylinder is leaking.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is master cylinder pipeline catenation principle figure embodiment illustrated in fig. 1;
Fig. 3 is the master cylinder pipeline catenation principle figure of band pressure switch embodiment illustrated in fig. 2.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
With reference to Fig. 1, present embodiment comprises the main bearing master cylinder 23 with principal shaft braking function, driftage master cylinder 24 with driftage braking function, locking cylinder 22 with locking braking function, also be provided with integration hydraulic brake device (being integration hydraulic brake device part among Fig. 1 in the dotted line frame), main bearing master cylinder 23 is connected with the A hydraulic fluid port of the solenoid directional control valve III 14 of band manual operation function by the M hydraulic fluid port of integration hydraulic brake device, the P hydraulic fluid port of solenoid directional control valve III 14 is by stop valve II 6, one-way valve I 3 links to each other with the oil outlet of electric hydraulic pump 2, be connected with accumulator II 15 by one-way throttle valve 16 between solenoid directional control valve III 14 and the stop valve II 6, the oil outlet of electric hydraulic pump 2 links to each other with the A hydraulic fluid port of safety valve 4 by one-way valve I 3, the B hydraulic fluid port of safety valve 4 links to each other with fuel tank, electric hydraulic pump 2 filler openings are communicated with fuel tank 1, hydraulic hand-pump 19 filler openings also are communicated with fuel tank 1, hydraulic hand-pump 19 oil outlets are connected with the P hydraulic fluid port of hand-operated direction valve 17 by one-way valve III 18, the P hydraulic fluid port of hand-operated direction valve 17 links to each other with the A hydraulic fluid port of throttle valve 20, the B hydraulic fluid port of throttle valve 20 respectively with one-way valve I 3, stop valve II 6, stop valve I 5, the A hydraulic fluid port of safety valve 4 links to each other, hydraulic hand-pump 19 is communicated with the P hydraulic fluid port of hand-operated direction valve 17 with the oil outlet of electric hydraulic pump 2, the A of hand-operated direction valve 17, two hydraulic fluid ports of B are by the C of integration hydraulic brake device, two hydraulic fluid ports of D link to each other with the locking cylinder hydraulic fluid port respectively, driftage master cylinder 24 links to each other with the A hydraulic fluid port of the solenoid directional control valve II 12 with manual operation function by the Y hydraulic fluid port of integration hydraulic brake device, the P hydraulic fluid port of solenoid directional control valve II 12 links to each other with the stop valve II by the one-way valve II, the T hydraulic fluid port of solenoid directional control valve II 12 links to each other with the A hydraulic fluid port of relief valve II 8, the B hydraulic fluid port of relief valve II 8 connects fuel tank 1, be provided with solenoid directional control valve I 11 between driftage master cylinder 24 and the solenoid directional control valve II 12 with manual operation function, the P hydraulic fluid port of solenoid directional control valve I 11 links to each other with the A hydraulic fluid port of relief valve I 7, the B hydraulic fluid port of relief valve I 7 connects fuel tank 1, be provided with accumulator I 9 between solenoid directional control valve I 11 and the relief valve I 7, main bearing master cylinder 23 is connected with the L hydraulic fluid port of integration hydraulic brake device by oil pipe with the leakage hydraulic fluid port of driftage master cylinder 24, the L hydraulic fluid port connects one-way valve IV 21, one-way valve IV 21 connected tanks 1 are provided with a pressure switch I 10 between L hydraulic fluid port and one-way valve IV 21.
Interconnect by stop valve I 5, stop valve II 6, hand-operated direction valve 17, solenoid directional control valve I 11, solenoid directional control valve II 12, solenoid directional control valve III 14 between each brake portion and cooperate, provide different braking pressure by accumulator I 9, accumulator II 15, master cylinder leaks the leakage alarm of hydraulic fluid port; Electric hydraulic pump 2 and hydraulic hand-pump 19 shared fuel tanks 1 are installed safety valve 4 at the oil outlet of electric hydraulic pump 2, and the outlet oil circuit of electric hydraulic pump 2 is divided into two-way, and a road direction working connection is main bearing master cylinder 23 fuel feeding, another road direction locking cylinder 22 fuel feeding; When stop valve II 6 is opened, when hand-operated direction valve 17 is in the meta function, electric hydraulic pump 2 is to the working connection fuel feeding; When stop valve II 6 was closed, operation hand-operated direction valve 17 realized that to locking cylinder 22 fuel feeding by regulating throttle valve 20, the piston rod movement speed of may command locking cylinder 22 is avoided producing excessive impact because of excessive velocities; Use hydraulic hand-pump 19 when the working connection fuel feeding is braked when needs, open stop valve II 6, hand-operated direction valve 17 is placed the meta function, realize hand brake; When needs during to locking cylinder 22 hand brake, close stop valve II 6, hand-operated direction valve 17 is placed needed station, operate hydraulic hand-pump 19 fuel feeding then and get final product.
By control solenoid directional control valve III 14, can realize the high pressure braking and the pressure release of main bearing master cylinder 23, retardation pressure is by the energy storage pressure decision of accumulator II 15, and accumulator II 15 is oil-filled by electric hydraulic pump 2 and hydraulic hand-pump 19, and its fuel supply flow rate can be transferred by one-way throttle valve 16; When solenoid directional control valve I 11 gets electric, solenoid directional control valve II 12 dead electricity, can realize high pressure braking to driftage master cylinder 24; Must be electric when solenoid directional control valve II 12, can realize low pressure braking to driftage master cylinder 24, pressure is by 8 decisions of relief valve II; When solenoid directional control valve I 11 dead electricity, solenoid directional control valve II 12 dead electricity, the middle compacting of the master cylinder 24 of can realizing going off course is moving, and retardation pressure is by the setting pressure decision of relief valve I 7, and accumulator I 9 provides pressure to replenish as auxiliary power source; High pressure, middle pressure and low pressure can be provided with flexibly according to the operating mode of actual blower fan, and each solenoid directional control valve all has the manual reverse of direction function, can finish the commutation of solenoid directional control valve by manually-operable.
[0015]With reference to Fig. 2, because principal shaft braking cylinder 23 is identical with the oil circuit Placement of driftage master cylinder 24, so unification is represented with master cylinder 25 among Fig. 2, one typhoon power generator generally has a plurality of master cylinder 25, the filler opening of these master cylinder 25 connects the M and the Y hydraulic fluid port of integration hydraulic brake device, and leaks the unified L hydraulic fluid port that connects the integration hydraulic brake device in oil circuit series connection back; The leakage hole place of each master cylinder 25 connects transparent hydraulic hose 26, transparent hydraulic hose 26 is connected with the hydraulic fluid port L of integration hydraulic brake device by one-way valve V 27, when certain master cylinder 25 takes place to leak, because the back pressure effect of one-way valve V 27, can be observed the fluid situation in the transparent hydraulic hose 26, simultaneously, because the unidirectional conducting effect of one-way valve V 27, avoided the leakage oil of this master cylinder to enter into the transparent hydraulic hose of other master cylinder; When pressure switch I 10 is reported to the police,, can conclude the fault point fast by the fluid situation in the transparent hydraulic hose 26 of manual observation.
With reference to Fig. 3, in order to realize the automatic warning and the judgement of each master cylinder 25 fault point, setting pressure switch II 28 between master cylinder and one-way valve V 27, when certain master cylinder 25 leaks, corresponding pressure switch II 28 will be reported to the police, automatically judge the fault point, realize automatic monitoring, help the maintenance of blower fan braking system all master cylinder fault points.
System architecture of the present invention is simple, and volume is small and exquisite, and is easy to operate.
Below just specifically describe one embodiment of the present invention, a preferred demonstration example.The scope that patent application of the present invention is asked for protection has more than and is limited to described mode of execution.All and technological scheme present embodiment equivalence all belongs to protection scope of the present invention.
Claims (3)
1. integration hydraulic brake system of wind generating set, comprise main bearing master cylinder, the driftage master cylinder with principal shaft braking function, locking cylinder with locking braking function with driftage braking function, it is characterized in that, also be provided with the integration hydraulic brake device, described main bearing master cylinder is connected with the A hydraulic fluid port of the solenoid directional control valve III of band manual operation function by the M hydraulic fluid port of integration hydraulic brake device, and the P hydraulic fluid port of solenoid directional control valve III links to each other with the electric hydraulic pump oil outlet by stop valve II, one-way valve I; The electric hydraulic pump oil outlet is connected with the A hydraulic fluid port of safety valve by the one-way valve I; Be connected with the accumulator II by one-way throttle valve between solenoid directional control valve III and the stop valve II, the electric hydraulic pump filler opening is communicated with fuel tank, the hydraulic hand-pump filler opening also is communicated with fuel tank, the hydraulic hand-pump oil outlet is connected with hand-operated direction valve P hydraulic fluid port by the one-way valve III, the P hydraulic fluid port of hand-operated direction valve links to each other with the A hydraulic fluid port of throttle valve with the oil outlet of one-way valve III, the B hydraulic fluid port of throttle valve respectively with the one-way valve I, the stop valve II, the stop valve I, the A hydraulic fluid port of safety valve links to each other, hydraulic hand-pump all is communicated with the P hydraulic fluid port of hand-operated direction valve with the oil outlet of electric hydraulic pump, the A of hand-operated direction valve, two hydraulic fluid ports of B are the C by the integration hydraulic brake device respectively, two hydraulic fluid ports of D link to each other with the locking cylinder hydraulic fluid port, the driftage master cylinder links to each other with the A hydraulic fluid port of the solenoid directional control valve II with manual operation function by the Y hydraulic fluid port of integration hydraulic brake device, the P hydraulic fluid port of solenoid directional control valve II links to each other with the stop valve II by the one-way valve II, the T hydraulic fluid port of solenoid directional control valve II links to each other with the A hydraulic fluid port of relief valve II, the B hydraulic fluid port of relief valve II connects fuel tank, the driftage master cylinder links to each other with the A hydraulic fluid port of the solenoid directional control valve I with manual operation function, the P hydraulic fluid port of solenoid directional control valve I links to each other with the A hydraulic fluid port of relief valve I, the B hydraulic fluid port of relief valve I connects fuel tank, be provided with the accumulator I between solenoid directional control valve I and the relief valve I, the main bearing master cylinder is connected with the L hydraulic fluid port of integration hydraulic brake device by oil pipe with the leakage hydraulic fluid port of driftage master cylinder, the L hydraulic fluid port connects the one-way valve IV, connect fuel tank by the one-way valve IV, between L hydraulic fluid port and one-way valve IV, be provided with a pressure switch I.
2. integration hydraulic brake system of wind generating set according to claim 1, it is characterized in that, the leakage hole of described main bearing master cylinder is connected transparent hydraulic hose respectively with the leakage hole of driftage master cylinder, and every transparent hydraulic hose all is connected with the hydraulic fluid port L of integration hydraulic brake device by the one-way valve V.
3. integration hydraulic brake system of wind generating set according to claim 2 is characterized in that, described transparent hydraulic hose is circumscribed with the pressure switch II of automatic warning usefulness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103061449A CN101629546B (en) | 2009-08-27 | 2009-08-27 | Integration hydraulic brake system of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103061449A CN101629546B (en) | 2009-08-27 | 2009-08-27 | Integration hydraulic brake system of wind generating set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101629546A CN101629546A (en) | 2010-01-20 |
| CN101629546B true CN101629546B (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103061449A Active CN101629546B (en) | 2009-08-27 | 2009-08-27 | Integration hydraulic brake system of wind generating set |
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| CN (1) | CN101629546B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022261A (en) * | 2010-11-29 | 2011-04-20 | 浙江大学 | Wind turbine brake system |
| CN102817777A (en) * | 2012-08-31 | 2012-12-12 | 杨洁 | Yawing and hub braking hydraulic system for wind driven generator set |
| CN102797632A (en) * | 2012-09-05 | 2012-11-28 | 杨洁 | Yaw control and braking hydraulic system for wind-driven generator unit |
| CN105649874B (en) * | 2015-12-31 | 2019-05-24 | 山东中车风电有限公司 | Based on modular MW class offshore wind generating redundant hydraulic system and method |
| CN105545846B (en) * | 2016-02-22 | 2017-04-12 | 北京金风科创风电设备有限公司 | Three-pin locking hydraulic system for draught fan impeller |
| CN111120423B (en) * | 2020-01-13 | 2021-03-23 | 北京交通大学 | Hydraulic loading system for steering engine |
| CN113916568A (en) * | 2021-02-02 | 2022-01-11 | 上海圣克赛斯液压股份有限公司 | Brake and fatigue test system comprising same |
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2009
- 2009-08-27 CN CN2009103061449A patent/CN101629546B/en active Active
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| CN101629546A (en) | 2010-01-20 |
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