CN114109729A - Braking device of wind driven generator - Google Patents
Braking device of wind driven generator Download PDFInfo
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- CN114109729A CN114109729A CN202111426357.2A CN202111426357A CN114109729A CN 114109729 A CN114109729 A CN 114109729A CN 202111426357 A CN202111426357 A CN 202111426357A CN 114109729 A CN114109729 A CN 114109729A
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 113
- 238000010248 power generation Methods 0.000 claims abstract description 74
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 238000010521 absorption reaction Methods 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims description 24
- 230000003139 buffering effect Effects 0.000 claims description 11
- 238000009529 body temperature measurement Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 description 23
- 230000000694 effects Effects 0.000 description 18
- 108010066057 cabin-1 Proteins 0.000 description 17
- 238000002791 soaking Methods 0.000 description 13
- 239000000047 product Substances 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000004519 grease Substances 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0244—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking
- F03D7/0248—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking by mechanical means acting on the power train
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/60—Cooling or heating of wind motors
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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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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention provides a wind driven generator braking device, which relates to the field of braking devices and comprises a power generation cabin, a transmission shaft, a braking assembly and a heat dissipation assembly, wherein one end of the transmission shaft is arranged inside the power generation cabin and is in transmission connection with a generator, a brake pad is arranged on the transmission shaft, the braking assembly is arranged inside the power generation cabin, a working end matched with the brake pad is arranged on the braking assembly, a heat absorption end of the heat dissipation assembly is connected with the working end of the braking assembly, and a heat dissipation end of the heat dissipation assembly is arranged outside the power generation cabin.
Description
Technical Field
The invention relates to the field of braking devices, in particular to a braking device of a wind driven generator.
Background
At present, a wind driven generator is one of the most important key devices in a wind power generation system, and the operation state and the service life of each part of a fan have important influence on the safe operation of the whole wind driven generator. During maintenance, the machine is stopped by a braking device. The braking device is continuously worn in long-term use, the braking performance is inevitably influenced, the operation safety of the whole system is influenced, the state detection of the braking device is actively carried out, and the braking device has important significance for timely problem handling of maintenance personnel and safe operation of the whole system.
Because wind power generation's pivot moment of torsion is great, and difficult braking, and in braking process, violent friction between brake block and the brake disc can produce a large amount of heats on the contact surface of brake block and brake disc, and these heats can influence the follow-up life of brake block and brake disc on the one hand greatly, and on the other hand also can influence the life of other electronic component inside the electricity generation storehouse.
Disclosure of Invention
The invention aims to provide a braking device of a wind driven generator, which solves the problem that the service life of a brake pad, a brake disc and other electronic elements in a power generation cabin is influenced because the conventional braking device of the wind driven generator does not have a heat dissipation function and cannot quickly discharge heat generated during braking by utilizing heat conduction.
The embodiment of the invention is realized by the following steps:
the utility model provides a aerogenerator arresting gear, includes the electricity generation storehouse, the transmission shaft, braking component and radiator unit, the one end of above-mentioned transmission shaft is located inside above-mentioned electricity generation storehouse and is connected with the generator transmission, be equipped with the brake block on the above-mentioned transmission shaft, inside above-mentioned electricity generation storehouse is located to above-mentioned braking component, be equipped with on the above-mentioned braking component with above-mentioned brake block complex work end, above-mentioned radiator unit's heat absorption end is connected with above-mentioned braking component's work end, above-mentioned electricity generation storehouse outside is located to above-mentioned radiator unit's heat dissipation end.
Further, in some embodiments of the present invention, the brake assembly includes an installation seat, a brake plate engaged with the brake pad, and a driving device for driving the brake plate, the installation seat is disposed inside the power generation compartment, the driving device is disposed on the installation seat, the brake plate is disposed on a working end of the driving device, and a heat absorption end of the heat dissipation assembly is connected to the brake plate.
Further, in some embodiments of the present invention, the mounting base is disposed inside the power generation compartment through the buffer assembly, and a heat absorbing end of the heat dissipation assembly passes through the buffer assembly and is connected to the braking plate.
Further, in some embodiments of the present invention, the buffer assembly includes an installation sleeve, a connection sleeve, a buffer sleeve and an elastic pad, one end of the installation sleeve is connected to the inside of the power generation compartment, the connection sleeve is disposed at the other end of the installation sleeve, the connection sleeve is provided with a connection protrusion, the installation base is provided with a connection groove matched with the connection protrusion, an expansion groove is disposed inside the connection groove, the elastic pad is disposed inside the expansion groove, the buffer sleeve is disposed outside the connection sleeve, and a heat absorption end of the heat dissipation assembly passes through the installation sleeve and the connection sleeve and is connected to the braking plate.
Further, in some embodiments of the present invention, a detachable first heat-conducting rubber block is disposed on the braking plate, and a heat absorbing end of the heat dissipating assembly is connected to the first heat-conducting rubber block.
Further, in some embodiments of the present invention, a second heat conductive rubber block is disposed on the braking plate, a mounting groove for mounting the second heat conductive rubber block is disposed on the first heat conductive rubber block, one end of the second heat conductive rubber block is connected to the heat absorbing end of the heat dissipating assembly, and the other end of the second heat conductive rubber block is disposed outside the mounting groove.
Further, in some embodiments of the present invention, the heat dissipating assembly includes a heat conducting plate, the driving device is disposed on the mounting seat through the heat conducting plate, a lower end of the braking plate is slidably connected to the heat conducting plate, one end of the heat conducting pipe passes through the buffering assembly and is connected to the heat conducting plate, and the other end of the heat conducting pipe passes through the power generating compartment and is disposed outside the power generating compartment.
Further, in some embodiments of the present invention, the heat dissipation assembly further includes a soaking plate, the heat conduction plate is provided with a slot for installing the soaking plate, and one end of the heat conduction pipe passes through the buffering assembly and is connected to the soaking plate.
Further, in some embodiments of the present invention, the heat dissipation assembly further includes a heat dissipation sleeve, the heat dissipation sleeve is disposed outside the power generation compartment, and the other end of the heat pipe passes through the power generation compartment and is connected to the heat dissipation sleeve.
Furthermore, in some embodiments of the present invention, the power generation device further includes a temperature measurement alarm component, the temperature measurement alarm component includes a temperature detector and a temperature alarm, the temperature detector is disposed between the heat absorption end and the heat dissipation end of the heat dissipation component, the temperature alarm is disposed inside the power generation cabin, and the temperature detector is electrically connected to the temperature alarm.
The embodiment of the invention has at least the following advantages or beneficial effects:
the braking device of the wind driven generator in the embodiment comprises a power generation cabin, a transmission shaft, a braking assembly and a heat dissipation assembly, wherein one end of the transmission shaft is arranged inside the power generation cabin and is in transmission connection with a generator, a brake pad is arranged on the transmission shaft, the braking assembly is arranged inside the power generation cabin, a working end matched with the brake pad is arranged on the braking assembly, a heat absorption end of the heat dissipation assembly is connected with a working end of the braking assembly, and the heat dissipation end of the heat dissipation assembly is arranged outside the power generation cabin.
The use mode of the invention is as follows: when the worker needs to perform shutdown maintenance on the wind driven generator, the brake assembly can be started, so that the working end of the brake assembly is contacted with the brake pad to brake the wind driven generator, heat generated by the friction contact between the working end of the brake assembly and the brake pad can be absorbed by the heat absorption end of the heat dissipation assembly and is conducted to the heat dissipation end of the heat dissipation assembly through the heat conduction effect, the heat conduction speed is high, the effect is good, because the heat dissipation end of the heat dissipation assembly is arranged outside the power generation cabin, the heat dissipation end of the heat dissipation assembly can be contacted with air flow outside the power generation cabin to dissipate the heat of the heat dissipation end of the heat dissipation assembly, the heat generated by the friction contact between the working end and the brake pad can be rapidly and durably led out by the heat dissipation assembly, the internal and external temperature difference during normal power generation of the power generation cabin can be adjusted, the phenomenon that the internal and external temperature difference is too large during normal power generation of the power generation cabin to generate air pressure difference to influence the normal work of the interior of the power generation cabin can be avoided, in addition, the heat dissipation assembly relying on heat conduction and heat dissipation is arranged, when the heat dissipation effect is promoted, the overall sealing performance of the power generation cabin cannot be influenced, the influence of the external environment on the internal components of the power generation cabin is reduced, the service life of the wind driven generator is prolonged, the maintenance frequency is reduced, the problem that the existing wind driven generator braking device does not have a heat dissipation function, heat generated during braking cannot be rapidly discharged by utilizing heat conduction, and then the brake block is influenced, and the service lives of the brake disc and other electronic elements inside the power generation cabin are prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of an internal structure of a braking device of a wind turbine according to the present invention;
FIG. 2 is a schematic connection diagram of a brake assembly, a buffer assembly, a temperature measurement alarm assembly and a heat dissipation assembly according to the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
fig. 4 is an enlarged schematic view of fig. 2 at B.
Icon: 1-a power generation cabin, 11-a power generator, 12-a gear box, 13-a fan blade shaft, 2-a transmission shaft, 21-a brake pad, 3-a brake component, 31-a mounting seat, 311-a connecting groove, 312-an expansion groove, 32-a brake plate, 321-a first heat-conducting rubber block, 3211-a mounting groove, 322-a second heat-conducting rubber block, 33-a driving device, 4-a heat dissipation component, 41-a heat conducting plate, 411-a clamping groove, 42-a heat conducting pipe, 43-a soaking plate, 44-a heat dissipation sleeve, 5-a buffer component, 51-a mounting sleeve, 52-a connecting sleeve, 521-a connecting bulge, 53-a buffer sleeve, 54-an elastic pad, 6-a temperature measurement alarm component, 61-a temperature detector and 62-a temperature alarm.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the orientations or positional relationships are only used for convenience of describing the present invention and simplifying the description, but the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Referring to fig. 1 to 4, the present embodiment provides a braking device for a wind power generator, including a power generation compartment 1, a transmission shaft 2, a braking component 3 and a heat dissipation component 4, wherein one end of the transmission shaft 2 is disposed inside the power generation compartment 1 and is in transmission connection with the power generator, the transmission shaft 2 is provided with a brake pad 21, the braking component 3 is disposed inside the power generation compartment 1, the braking component 3 is provided with a working end engaged with the brake pad 21, a heat absorption end of the heat dissipation component 4 is connected with the working end of the braking component 3, and a heat dissipation end of the heat dissipation component 4 is disposed outside the power generation compartment 1.
In this embodiment: when a worker needs to perform shutdown maintenance on the wind driven generator, the brake assembly 3 can be started, so that the working end of the brake assembly 3 is in contact with the brake pad 21 to brake the wind driven generator, heat generated by the friction contact between the working end of the brake assembly 3 and the brake pad 21 can be absorbed by the heat absorption end of the heat dissipation assembly 4 and is conducted to the heat dissipation end of the heat dissipation assembly 4 through the heat conduction effect, the heat conduction speed is high, the effect is good, because the heat dissipation end of the heat dissipation assembly 4 is arranged outside the power generation cabin 1, the heat dissipation end of the heat dissipation assembly 4 can be in contact with air flow outside the power generation cabin 1 to dissipate the heat of the heat dissipation end of the heat dissipation assembly 4, the heat generated by the friction contact between the working end and the brake pad 21 can be rapidly and durably led out by the heat dissipation assembly 4, the internal and external temperature difference when the power generation cabin 1 generates power normally can be adjusted, and the internal and external temperature difference when the power generation cabin 1 generates power normally is avoided from being too large, produce the atmospheric pressure difference, influence the normal work of 1 inside components and parts in electricity generation storehouse, in addition, the setting relies on heat-conduction radiating radiator unit 4, when promoting the radiating effect, can not influence the whole leakproofness in electricity generation storehouse 1 yet, reduce the influence of external environment to 1 inside components and parts in electricity generation storehouse, prolong aerogenerator's life, reduce and maintain the frequency, it does not possess the heat dissipation function to have solved current aerogenerator arresting gear, the heat that produces when unable utilization heat-conduction will brake discharges fast, and then influence brake block 21, the brake disc and the problem of 1 inside other electronic component life in electricity generation storehouse.
In some other embodiments of the present embodiment, a gear box 12 is further disposed inside the power generation compartment 1, and the transmission shaft 2 is in transmission connection with an external blade shaft 13 through the gear box 12.
In the present embodiment: the power generation cabin 1 is also internally provided with a gear box 12, the transmission shaft 2 is in transmission connection with an external fan blade shaft 13 through the gear box 12, the gear box 12 is a common commercially available product, and the gear box 12 can adjust the rotation speed difference between the transmission shaft 2 and the fan blade shaft 13 to be matched with a generator to realize wind power generation.
Example 2
Referring to fig. 1 to 4, the present embodiment provides a wind turbine braking device based on embodiment 1, which is different from embodiment 1 in that: the brake assembly 3 includes an installation seat 31, a brake plate 32 engaged with the brake pad 21, and a driving device 33 for driving the brake plate 32, wherein the installation seat 31 is disposed inside the power generation compartment 1, the driving device 33 is disposed on the installation seat 31, the brake plate 32 is disposed on a working end of the driving device 33, and a heat absorbing end of the heat dissipating assembly 4 is connected to the brake plate 32.
In this embodiment: the mounting seat 31 is arranged inside the power generation bin 1, the mounting seat 31 provides a platform for mounting and supporting the driving device 33, the driving device 33 is arranged on the mounting seat 31, the braking plate 32 is arranged on the working end of the driving device 33, maintenance personnel can drive the braking plate 32 by using the driving device 33 according to actual needs to enable the braking plate 32 to be in contact with the brake pad 21 so as to realize braking, the heat absorbing end of the heat dissipation component 4 is connected with the braking plate 32, heat generated during braking can be effectively transferred to the heat dissipation end of the heat dissipation component 4 in a heat conduction mode, and finally heat dissipation is realized, in addition, the heat absorbing end of the heat dissipation component 4 connected with the braking plate 32 can also adjust the internal and external temperature difference when the power generation bin 1 normally generates power, the braking plate 32 can also increase the contact area between the heat absorbing end of the heat dissipation component 4 and hot air inside the power generation bin 1, and further avoid the internal and external temperature difference when the power generation bin 1 normally generates power, the air pressure difference is generated, and the normal work of the components in the power generation bin 1 is influenced.
In some other embodiments of the present embodiment, the driving device 33 may be any one of a commercially available hydraulic cylinder and a mechanical cylinder.
In the present embodiment: the commercial product is adopted as the driving device 33, so that the cost is low, the driving effect is good, and the replaceability is strong.
Example 3
Referring to fig. 1 to 4, the present embodiment provides a wind turbine braking device based on any of the above embodiments, and the difference between the wind turbine braking device and any of the above embodiments is: the power generation device further comprises a buffer component 5, the mounting seat 31 is arranged inside the power generation cabin 1 through the buffer component 5, and a heat absorption end of the heat dissipation component 4 penetrates through the buffer component 5 and is connected with the brake plate 32.
In this embodiment: mount pad 31 locates inside electricity generation storehouse 1 through buffering subassembly 5, the vibrations that produce between the work end of brake block 3 and brake block 21 when buffering subassembly 5 can effectively absorb the braking, maintain the stability of mount pad 31, reduce the probability that transmission shaft 2 and brake block 21 drifted, the heat absorption end of heat-radiating subassembly 4 passes buffering subassembly 5 and is connected with braking plate 32, buffering subassembly 5 can provide the protection for heat-conducting section of heat-radiating subassembly 4, the high-speed high temperature piece that produces between the work end of brake block 3 and the brake block 21 when avoiding the braking sputters the heat-conducting section of heat-radiating subassembly 4, and then influence the whole radiating effect of heat-radiating subassembly 4.
Example 4
Referring to fig. 1 to 4, the present embodiment provides a wind turbine braking device based on any of the above embodiments, and the difference between the wind turbine braking device and any of the above embodiments is: the buffer assembly 5 includes an installation sleeve 51, a connection sleeve 52, a buffer sleeve 53 and an elastic pad 54, wherein one end of the installation sleeve 51 is connected with the inside of the power generation compartment 1, the connection sleeve 52 is disposed at the other end of the installation sleeve 51, a connection protrusion 521 is disposed on the connection sleeve 52, a connection groove 311 matched with the connection protrusion 521 is disposed on the installation base 31, an expansion groove 312 is disposed inside the connection groove 311, the elastic pad 54 is disposed inside the expansion groove 312, the buffer sleeve 53 is sleeved outside the connection sleeve 52, and a heat absorption end of the heat dissipation assembly 4 passes through the installation sleeve 51 and the connection sleeve 52 and is connected with the braking plate 32.
In this embodiment: one end of the mounting sleeve 51 is connected with the inside of the power generation cabin 1, the connecting sleeve 52 is arranged at the other end of the mounting sleeve 51, the mounting sleeve 51 provides a platform for mounting and supporting the connecting sleeve 52, the connecting sleeve 52 is provided with a connecting protrusion 521, the mounting base 31 is provided with a connecting groove 311 matched with the connecting protrusion 521, the connecting protrusion 521 and the connecting groove 311 are matched with each other to realize stable and reliable connection, the connecting groove 311 is internally provided with an expansion groove 312, an elastic pad 54 is arranged inside the expansion groove 312, the expansion groove 312 provides a moving space for the connecting protrusion 521, and the elastic pad 54 is matched to effectively absorb the vibration generated between the working end of the brake component 3 and the brake pad 21 during braking, maintain the stability of the mounting base 31 and reduce the yaw probability of the transmission shaft 2 and the brake pad 21, the buffer sleeve 53 is sleeved outside the connecting sleeve 52 and can form a secondary buffer structure with the elastic pad 54 to further absorb the vibration generated between the working end of the brake component 3 and the brake pad 21 during braking, promote buffering effect, the heat absorption end of radiator unit 4 passes installation cover 51 and adapter sleeve 52 and is connected with brake plate 32, and installation cover 51 and adapter sleeve 52 can provide the protection for radiator unit 4's heat conduction section, and the high-speed high temperature piece that produces between brake unit 3's the working end and the brake block 21 when avoiding braking sputters radiator unit 4's heat conduction section on, and then influences radiator unit 4's whole radiating effect.
In some other embodiments of the present embodiment, the elastic pad 54 may be made of any commercially available rubber material, and the cushion sheath 53 may be made of any commercially available spring.
In the present embodiment: the commercial products are used as the elastic cushion 54 and the buffer sleeve 53, so that the cushion has low cost, good buffering effect, strong rebound resilience, durability and strong replaceability.
Example 5
Referring to fig. 1 to 4, the present embodiment provides a wind turbine braking device based on any of the above embodiments, and the difference between the wind turbine braking device and any of the above embodiments is: the brake plate 32 is provided with a first heat-conductive rubber block 321 which is detachable, and a heat absorption end of the heat dissipation assembly 4 is connected to the first heat-conductive rubber block 321.
In this embodiment: be equipped with the first heat conduction block 321 of detachable on the braking board 32, be convenient for dismantle alone and maintain the change, reduce the maintenance cost, first heat conduction block 321 replaces braking board 32 and brake block 21 contact during the braking, it is effectual to brake, can also reduce the damage to braking board 32 and brake block 21, heat sink 4's heat absorption end is connected with first heat conduction block 321, adopt heat conduction rubber material as first heat conduction block 321, excellent heat conductivility has, the heat that produces during the braking can be leading-in to heat sink 4's heat absorption end rapidly, finally derive via heat sink 4's heat dissipation end, the heat that produces when reducing the braking is to brake block 21, the influence of the inside components and parts of braking board 32 and electricity generation storehouse 1.
In some other embodiments of the present embodiment, the first heat-conducting rubber block 321 may be made of any commercially available rubber material with heat-conducting filler.
In the present embodiment: the first heat-conducting rubber block 321 is made of a commercially available product, and is low in cost, good in heat-conducting effect and strong in replaceability.
Example 6
Referring to fig. 1 to 4, the present embodiment provides a wind turbine braking device based on any of the above embodiments, and the difference between the wind turbine braking device and any of the above embodiments is: the brake plate 32 is provided with a second heat conductive rubber block 322, the first heat conductive rubber block 321 is provided with a mounting groove 3211 for mounting the second heat conductive rubber block 322, one end of the second heat conductive rubber block 322 is connected to the heat absorbing end of the heat dissipating assembly 4, and the other end of the second heat conductive rubber block 322 is disposed outside the mounting groove 3211.
In this embodiment: be equipped with second heat conduction rubber block 322 on the braking board 32, be equipped with the mounting groove 3211 that is used for installing second heat conduction rubber block 322 on the first heat conduction rubber block 321, mounting groove 3211 provides the platform of installation and support for second heat conduction rubber block 322, the one end of second heat conduction rubber block 322 is connected with heat sink 4's heat absorption end, the mounting groove 3211 outside is located to the other end of second heat conduction rubber block 322, in braking process, second heat conduction rubber block 322 contacts with brake block 21 earlier, carry out primary braking, then brake block 21 is pressed close to along with further of braking board 32, first heat conduction rubber block 321 also can contact with brake block 21, and then form secondary braking, braking is effectual, the cushioning nature is strong, 2 rotational speeds of transmission shaft descend at the excessive speed when avoiding braking, influence the life of the inside components and parts of generator and gear box 12.
In some other embodiments of the present embodiment, the second heat-conducting rubber block 322 may be made of any commercially available rubber material with heat-conducting filler.
In the present embodiment: and a commercially available product is adopted as the second heat-conducting rubber block 322, so that the cost is low, the heat-conducting effect is good, and the replaceability is strong.
Example 7
Referring to fig. 1 to 4, the present embodiment provides a wind turbine braking device based on any of the above embodiments, and the difference between the wind turbine braking device and any of the above embodiments is: the heat dissipating unit 4 includes a heat conducting plate 41 and a heat conducting pipe 42, the driving unit 33 is disposed on the mounting seat 31 through the heat conducting plate 41, the lower end of the braking plate 32 is slidably connected to the heat conducting plate 41, one end of the heat conducting pipe 42 penetrates the buffer unit 5 and is connected to the heat conducting plate 41, and the other end of the heat conducting pipe 42 penetrates the power generating compartment 1 and is disposed outside the power generating compartment 1.
In this embodiment: the driving device 33 is arranged on the mounting seat 31 through the heat conducting plate 41, the heat conducting plate 41 can provide a platform for mounting and supporting the driving device 33 on one hand, and on the other hand, the heat generated when the driving device 33 works can be led out, so that the service life of the driving device 33 is prolonged, the lower end of the braking plate 32 is in sliding connection with the heat conducting plate 41, on the premise that the free movement of the braking plate 32 is ensured, the heat generated by the braking plate 32 during braking can be conducted to the heat conducting plate 41, one end of the heat conducting pipe 42 penetrates through the buffer component 5 and is connected with the heat conducting plate 41, the other end of the heat conducting pipe 42 penetrates through the power generation cabin 1 and is arranged outside the power generation cabin 1, the heat generated by the braking plate 32 during braking is conducted to the heat conducting plate 41 and then is absorbed by one end of the heat conducting pipe 42 and is transferred to the other end outside the power generation cabin 1 along the heat conducting pipe 42, so that the rapid heat conduction is realized, and the heat dissipation effect is improved, the service life of the components inside the power generation cabin 1 is prolonged.
In some other embodiments of the present embodiment, any one of the same commercially available products can be used as the heat conduction pipes 42, and the number of the heat conduction pipes 42 can be multiple.
In the present embodiment: adopt the product sold in the market as heat pipe 42, low cost, the heat conduction is effectual, and the replaceability is strong, sets up many heat pipes 42, has strengthened heat conduction efficiency, promotes radiator unit 4's whole heat dispersion.
Example 8
Referring to fig. 1 to 4, the present embodiment provides a wind turbine braking device based on any of the above embodiments, and the difference between the wind turbine braking device and any of the above embodiments is: the heat dissipating unit 4 further includes a soaking plate 43, the heat conducting plate 41 is provided with a locking groove 411 for mounting the soaking plate 43, and one end of the heat conducting pipe 42 passes through the buffer unit 5 and is connected to the soaking plate 43.
In this embodiment: the heat conducting plate 41 is provided with a clamping groove 411 for mounting the soaking plate 43, one end of the heat conducting pipe 42 penetrates through the buffer assembly 5 and is connected with the soaking plate 43, the clamping groove 411 can be matched with the soaking plate 43 to form a stable connecting structure, and heat absorbed by the heat conducting plate 41 can be conveniently and uniformly conducted to the heat conducting pipe 42.
In some other embodiments of the present embodiment, a heat dissipation silicone grease is filled between the heat spreader 43 and the slot 411.
In the present embodiment: the heat dissipation silicone grease is filled between the soaking plate 43 and the clamping groove 411, the gap between the soaking plate 43 and the clamping groove 411 is filled with the heat dissipation silicone grease, the contact area between the soaking plate 43 and the clamping groove 411 is increased, the heat conduction efficiency is improved, and the overall heat dissipation effect of the heat dissipation assembly 4 is increased.
Example 9
Referring to fig. 1 to 4, the present embodiment provides a wind turbine braking device based on any of the above embodiments, and the difference between the wind turbine braking device and any of the above embodiments is: the heat dissipation assembly 4 further includes a heat dissipation sleeve 44, the heat dissipation sleeve 44 is disposed outside the power generation compartment 1, and the other end of the heat pipe 42 passes through the power generation compartment 1 and is connected to the heat dissipation sleeve 44.
In this embodiment: the heat dissipation sleeve 44 is disposed outside the power generation cabin 1, the other end of the heat pipe 42 penetrates through the power generation cabin 1 and is connected to the heat dissipation sleeve 44, and the heat dissipation sleeve 44 can increase the contact area between the other end of the heat pipe 42 and the external air flow, so as to accelerate heat dissipation.
In some other embodiments of the present embodiment, the heat dissipation sleeve 44 is provided with heat dissipation fins.
In the present embodiment: the heat dissipation sleeve 44 is provided with heat dissipation fins, which can further increase the contact area between the heat dissipation sleeve 44 and the external air flow, thereby increasing the contact area between the other end of the heat conduction pipe 42 and the external air flow, and further improving the heat dissipation effect.
Example 10
Referring to fig. 1 to 4, the present embodiment provides a wind turbine braking device based on any of the above embodiments, and the difference between the wind turbine braking device and any of the above embodiments is: still include temperature measurement warning subassembly 6, above-mentioned temperature measurement warning subassembly 6 includes thermoscope 61 and temperature alarm 62, and above-mentioned thermoscope 61 is located between the heat absorption end of above-mentioned radiator unit 4 and the heat dissipation end, and inside above-mentioned electricity generation storehouse 1 was located to above-mentioned temperature alarm 62, above-mentioned thermoscope 61 and above-mentioned temperature alarm 62 electric connection.
In this embodiment: temperature detector 61 is located between heat absorption end and the heat dissipation end of radiator unit 4, temperature alarm 62 is located inside electricity generation storehouse 1, temperature detector 61 and temperature alarm 62 electric connection, temperature when temperature detector 61 can effectively detect radiator unit 4 heat conduction, when the temperature that detects is higher than the default, temperature alarm 62 just can send alarm signal, remind maintainer inspection radiator unit 4's components and parts, avoid the unexpected inefficacy of radiator unit 4, lead to unable for braking component 3 provides the radiating effect, the heat that produces during the braking is piled up inside electricity generation storehouse 1, finally influence the life of the inside components and parts of electricity generation storehouse 1.
In some other embodiments of this embodiment, the temperature detector 61 may be any one of commercially available similar products, and the temperature alarm 62 may be any one of commercially available similar products.
In the present embodiment: the temperature detector 61 and the temperature alarm 62 are commercially available products, so that the cost is low, the performance is reliable, and the replaceability is strong.
In summary, the embodiments of the present invention provide a wind turbine braking device, which at least has the following beneficial effects:
the utility model provides a aerogenerator arresting gear, including electricity generation storehouse 1, transmission shaft 2, brake assembly 3 and radiator unit 4, the one end of above-mentioned transmission shaft 2 is located 1 inside above-mentioned electricity generation storehouse and is connected with the generator transmission, be equipped with brake block 21 on above-mentioned transmission shaft 2, above-mentioned brake assembly 3 is located 1 inside above-mentioned electricity generation storehouse, be equipped with on above-mentioned brake assembly 3 with above-mentioned brake block 21 complex work end, the heat absorption end of above-mentioned radiator unit 4 is connected with the work end of above-mentioned brake assembly 3, the heat dissipation end of above-mentioned radiator unit 4 is located 1 outsides in above-mentioned electricity generation storehouse.
When a worker needs to perform shutdown maintenance on the wind driven generator, the brake assembly 3 can be started, so that the working end of the brake assembly 3 is in contact with the brake pad 21 to brake the wind driven generator, heat generated by the friction contact between the working end of the brake assembly 3 and the brake pad 21 can be absorbed by the heat absorption end of the heat dissipation assembly 4 and is conducted to the heat dissipation end of the heat dissipation assembly 4 through the heat conduction effect, the heat conduction speed is high, the effect is good, because the heat dissipation end of the heat dissipation assembly 4 is arranged outside the power generation cabin 1, the heat dissipation end of the heat dissipation assembly 4 can be in contact with air flow outside the power generation cabin 1 to dissipate the heat of the heat dissipation end of the heat dissipation assembly 4, the heat generated by the friction contact between the working end and the brake pad 21 can be rapidly and durably led out by the heat dissipation assembly 4, the internal and external temperature difference when the power generation cabin 1 generates power normally can be adjusted, and the internal and external temperature difference when the power generation cabin 1 generates power normally is avoided from being too large, produce the atmospheric pressure difference, influence the normal work of 1 inside components and parts in electricity generation storehouse, in addition, the setting relies on heat-conduction radiating radiator unit 4, when promoting the radiating effect, can not influence the whole leakproofness in electricity generation storehouse 1 yet, reduce the influence of external environment to 1 inside components and parts in electricity generation storehouse, prolong aerogenerator's life, reduce and maintain the frequency, it does not possess the heat dissipation function to have solved current aerogenerator arresting gear, the heat that produces when unable utilization heat-conduction will brake discharges fast, and then influence brake block 21, the brake disc and the problem of 1 inside other electronic component life in electricity generation storehouse.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A wind driven generator braking device is characterized in that: the brake device comprises a power generation bin, a transmission shaft, a brake assembly and a heat dissipation assembly, wherein one end of the transmission shaft is arranged inside the power generation bin and is in transmission connection with a power generator, a brake pad is arranged on the transmission shaft, the brake assembly is arranged inside the power generation bin, a working end matched with the brake pad is arranged on the brake assembly, a heat absorption end of the heat dissipation assembly is connected with a working end of the brake assembly, and a heat dissipation end of the heat dissipation assembly is arranged outside the power generation bin.
2. A wind turbine braking apparatus according to claim 1, wherein: the brake assembly comprises a mounting seat, a brake plate matched with the brake block and a driving device used for driving the brake plate, the mounting seat is arranged inside the power generation bin, the driving device is arranged on the mounting seat, the brake plate is arranged on the working end of the driving device, and the heat absorption end of the heat dissipation assembly is connected with the brake plate.
3. A wind turbine braking apparatus according to claim 2, wherein: the mounting seat is arranged inside the power generation cabin through the buffering component, and the heat absorption end of the heat dissipation component penetrates through the buffering component and is connected with the brake plate.
4. A wind turbine braking apparatus according to claim 3, wherein: the buffer assembly comprises an installation sleeve, a connecting sleeve, a buffer sleeve and an elastic cushion, one end of the installation sleeve is connected with the inside of the power generation bin, the connecting sleeve is arranged at the other end of the installation sleeve, a connecting bulge is arranged on the connecting sleeve, a connecting groove matched with the connecting bulge is arranged on the installation seat, an expansion groove is arranged inside the connecting groove, the elastic cushion is arranged inside the expansion groove, the buffer sleeve is arranged on the outer side of the connecting sleeve, and a heat absorption end of the heat dissipation assembly penetrates through the installation sleeve and the connecting sleeve and is connected with the brake plate.
5. A wind turbine braking apparatus according to claim 2, wherein: the brake plate is provided with a first detachable heat-conducting rubber block, and the heat absorption end of the heat dissipation assembly is connected with the first heat-conducting rubber block.
6. A wind turbine braking apparatus according to claim 5, wherein: the brake block is provided with a second heat-conducting rubber block, the first heat-conducting rubber block is provided with a mounting groove for mounting the second heat-conducting rubber block, one end of the second heat-conducting rubber block is connected with the heat absorption end of the heat dissipation assembly, and the other end of the second heat-conducting rubber block is arranged on the outer side of the mounting groove.
7. A wind turbine braking apparatus according to claim 3, wherein: the heat dissipation assembly comprises a heat conducting plate and a heat conducting pipe, the driving device passes through the heat conducting plate is arranged on the mounting seat, the lower end of the brake plate is connected with the heat conducting plate in a sliding mode, one end of the heat conducting pipe penetrates through the buffer assembly and is connected with the heat conducting plate, and the other end of the heat conducting pipe penetrates through the power generation cabin and is arranged outside the power generation cabin.
8. A wind turbine braking apparatus according to claim 7, wherein: the heat dissipation assembly further comprises a vapor chamber, a clamping groove used for installing the vapor chamber is formed in the heat conduction plate, and one end of the heat conduction pipe penetrates through the buffering assembly and is connected with the vapor chamber.
9. A wind turbine braking apparatus according to claim 8, wherein: the heat dissipation assembly further comprises a heat dissipation sleeve, the heat dissipation sleeve is arranged outside the power generation bin, and the other end of the heat conduction pipe penetrates through the power generation bin and is connected with the heat dissipation sleeve.
10. A wind turbine braking apparatus according to any one of claims 1 to 9, wherein: the temperature measurement alarm assembly comprises a temperature detector and a temperature alarm, the temperature detector is arranged between the heat absorption end and the heat dissipation end of the heat dissipation assembly, the temperature alarm is arranged inside the power generation cabin, and the temperature detector is electrically connected with the temperature alarm.
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| CN202111426357.2A CN114109729B (en) | 2021-11-27 | 2021-11-27 | Braking device of wind driven generator |
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| CN115111295A (en) * | 2022-07-12 | 2022-09-27 | 梁志强 | Deceleration braking heat dissipation assembly of wind power generation equipment and implementation method thereof |
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| CN114109729B (en) | 2023-09-01 |
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Effective date of registration: 20230421 Address after: 123000 taitougao Village (gaoshanzi), changyingzi Town, Xinqiu District, Fuxin City, Liaoning Province Applicant after: Huaneng Fuxin Wind Power Co.,Ltd. Address before: 110161 Poly Garden Phase II, No. 16-1, Xinning street, Shenhe District, Shenyang City, Liaoning Province Applicant before: Zhang Guowei |
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