CN224052968U - Heat abstractor for wind power generation cabin dry-type transformer - Google Patents
Heat abstractor for wind power generation cabin dry-type transformerInfo
- Publication number
- CN224052968U CN224052968U CN202520731933.1U CN202520731933U CN224052968U CN 224052968 U CN224052968 U CN 224052968U CN 202520731933 U CN202520731933 U CN 202520731933U CN 224052968 U CN224052968 U CN 224052968U
- Authority
- CN
- China
- Prior art keywords
- air
- heat dissipation
- dry
- type transformer
- air outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
本实用新型涉及干式变压器的技术领域，特别是涉及一种风力发电机舱干式变压器用散热装置，其高效散热、防尘净化、适应高温；包括散热箱体及与散热箱体可开合连接的箱门；散热箱体内部设置有用于放置干式变压器的容纳腔，散热箱体的侧壁上固定有用于将空气冷却的冷风生成机构和用于容纳腔通风换气的风冷循环机构。
This utility model relates to the technical field of dry-type transformers, and in particular to a heat dissipation device for a dry-type transformer in a wind turbine nacelle, which is highly efficient in heat dissipation, dustproof and purification, and adaptable to high temperatures; it includes a heat dissipation box and a door that can be opened and closed connected to the heat dissipation box; the heat dissipation box has an internal cavity for placing the dry-type transformer, and a cold air generating mechanism for cooling the air and an air-cooling circulation mechanism for ventilating the cavity are fixed on the side wall of the heat dissipation box.
Description
Technical Field
The utility model relates to the technical field of dry transformers, in particular to a heat dissipation device for a dry transformer of a wind power generator cabin.
Background
Wind power generation is an increasingly important place in global energy structures as a clean, renewable energy technology. The dry type transformer in the wind driven generator cabin plays a key role in voltage conversion and power transmission, and a large amount of heat is generated in the operation process, so that the transformer is excessively high in temperature if heat cannot be effectively dissipated in time, the performance of the transformer is further influenced, the service life is shortened, even faults are caused, and the stable operation of the whole wind driven generation system is further influenced
The existing heat dissipating device for the dry-type transformer of the wind power generator cabin mostly adopts an air cooling or liquid cooling mode. The liquid cooling mode utilizes cooling liquid to circularly dissipate heat, and the cooling liquid temperature in a liquid cooling system is easy to generate temperature rise and heat exchange efficiency reduction in the high-temperature environment although the heat dissipation efficiency is higher than that of the air cooling, so that the heat dissipation devices are difficult to meet the heat dissipation requirement in the high-temperature environment.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the radiating device for the dry-type transformer of the wind power generator cabin, which has the advantages of high efficiency in radiating, dust prevention, purification and adaptation to high temperature.
The utility model discloses a heat dissipation device for a dry-type transformer of a wind power generator cabin, which comprises a heat dissipation box body and a box door which is connected with the heat dissipation box body in an openable manner, wherein a containing cavity for placing the dry-type transformer is arranged in the heat dissipation box body, and a cold air generating mechanism for cooling air and an air cooling circulating mechanism for ventilating the containing cavity are fixed on the side wall of the heat dissipation box body.
Further, the air cooling circulation mechanism comprises a plurality of groups of air inlet assemblies and a plurality of groups of air outlet assemblies, the air inlet assemblies are arranged at the lower part of the side face of the heat dissipation box body, and the air outlet assemblies are arranged at the top of the heat dissipation box body.
Further, the air inlet assembly comprises an air inlet and an air inlet pipeline, the air inlet is formed in the side wall of the heat dissipation box body, the air inlet pipeline is connected with the air inlet, the air outlet of the air inlet pipeline is connected with a wind collecting cover, and an air filtering assembly is arranged in the air inlet pipeline.
Further, the air filter assembly comprises a plurality of filter elements, and each filter element is arranged in sequence along the air flow direction.
The cold air generating mechanism comprises a condenser group, a compressor group and an evaporator group, wherein the condenser group and the evaporator group form a closed loop with the compressor group through pipelines, the evaporator group is arranged in an air inlet pipeline, the condenser group is arranged on the outer side of the heat dissipation box body, the evaporator group comprises a water collecting bucket and a plurality of evaporators, the evaporators are sequentially arranged along the air flowing direction, and the water collecting bucket is arranged below the evaporators.
Further, the cold air generating mechanism further comprises a spray head group, the spray head group comprises a plurality of spray heads facing the windward side of the evaporator, the spray heads are communicated with the water collecting bucket through pipelines, and the pipelines are provided with water spraying pumps and water filters.
Further, the air outlet assembly comprises an air outlet, an air outlet pipeline and an air outlet fan, the air outlet is formed in the side wall of the heat dissipation box body, the air outlet pipeline is connected with the air outlet, and the air outlet fan is arranged in the air outlet pipeline.
Further, a heat insulation layer is arranged on the heat dissipation box body.
Compared with the prior art, the utility model has the beneficial effects that:
The cold air generating mechanism is used for cooling air entering the accommodating cavity, and the air cooling circulating mechanism is used for realizing circulating flow of the air, so that the working temperature of the transformer can be effectively reduced, the heat dissipation efficiency is improved, and the transformer is particularly suitable for a high-temperature environment.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
fig. 3 is a schematic diagram of a connection structure of the cool air generating mechanism of the present utility model;
FIG. 4 is a schematic view showing the connection structure of the evaporator group and the shower head group of the present utility model;
The drawing comprises a cooling box body 1, a containing cavity 11, a box door 2, a cold air generating mechanism 3, a cold air generating mechanism 31, a condenser group 32, a compressor group 33, an evaporator group 331, a water collecting bucket 332, an evaporator 34, a nozzle group 341, a nozzle 342, a water spraying pump 343, a water filter 4, an air cooling circulation mechanism 41, an air inlet assembly 411, an air inlet 412, an air inlet pipeline 413, an air collecting cover 414, an air filtering assembly 4141, a filter element 42, an air outlet assembly 421, an air outlet 422, an air outlet pipeline 423, and an air outlet fan.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 2, the heat dissipating device for a dry-type transformer in a wind power generator room of the present utility model comprises a heat dissipating box 1 and a door 2 which is connected to the heat dissipating box 1 in an openable manner, in the embodiment of the present utility model, the heat dissipating box 1 is a unitary structure frame, a closed or semi-closed space is provided for the whole heat dissipating device, for accommodating and protecting the internal components, and it is usually made of a material having a certain strength, so as to prevent the external environment from interfering with the internal environment too much and protect the safety of operators, and the design of the door 2 is convenient for the operators to inspect, maintain and overhaul the internal of the heat dissipating box 1.
In the embodiment of the application, a containing cavity 11 for placing a dry-type transformer is arranged in a heat-radiating box body 1, a cold air generating mechanism 3 for cooling air and an air cooling circulating mechanism 4 for ventilating the containing cavity 11 are fixed on the side wall of the heat-radiating box body 1, the working principle is that the cold air generating mechanism 3 sucks air from the external environment and cools the air to a lower temperature based on the heat exchange characteristic of the air, the air cooling circulating mechanism 4 introduces the cooled cold air into the containing cavity 11 of the heat-radiating box body, when the cold air is in contact with the surface of the dry-type transformer, the temperature of the surface of the transformer is higher than that of the cold air, heat is transferred from the surface of the transformer to the cold air, the heated air is increased in temperature and reduced in density, and the hot air is discharged out of the containing cavity 11 under the action of the air cooling circulating mechanism 4 and is continuously supplemented, so the new cold air is circulated and reciprocated, and the air is not limited by the temperature of the external environment, so that the cold air is still provided with the low-temperature and the reliability and the stability of the heat-radiating device can be guaranteed under the high-temperature environment.
In some embodiments of the present application, the air cooling circulation mechanism 4 includes multiple groups of air inlet assemblies 41 and multiple groups of air outlet assemblies 42, the air inlet assemblies 41 are disposed at the lower part of the side surface of the heat dissipation box 1, the air outlet assemblies 42 are disposed at the top of the heat dissipation box 1, when the air cooling circulation mechanism 4 works, the air inlet assemblies 41 introduce low-temperature cold air cooled by the cold air generating mechanism 3 into the accommodating cavity 11 from the lower part of the side surface of the heat dissipation box 1, the cold air rises upwards along the bottom of the heat dissipation box 1 due to high density, fully contacts with the surface of the dry transformer disposed above to take away heat generated by the transformer, and the hot air gradually rises along with the rise of the air temperature, finally is discharged out of the box body through the air outlet assemblies 42 positioned at the top of the heat dissipation box 1, so as to form an orderly air convection channel, thereby avoiding the occurrence of air short circuit phenomenon, ensuring the uniform flow of air in the accommodating cavity and improving the heat dissipation efficiency.
In some embodiments of the present application, the air intake assembly 41 includes an air intake 411 and an air intake duct 412, the air intake 411 is opened on a side wall of the heat dissipation box 1, the air intake duct 412 is connected with the air intake 411, an air collecting cover 413 is connected to an air outlet of the air intake duct 412, and an air filtering assembly 414 is disposed in the air intake duct 412, in which the air filtering assembly 414 filters the air to remove impurities and particulate matters therein, the purified air flows in the air intake duct 412, and the cold air is intensively introduced into the accommodating cavity 11 of the heat dissipation box and uniformly distributed around the dry type transformer by the aggregation and guiding action of the air collecting cover 413, and the air entering the heat dissipation box 1 is ensured to be clean by the filtering of the air filtering assembly 414, which can not only prevent the accumulation of pollutants on the surface of the transformer, affect the heat dissipation effect, but also reduce the potential safety hazards such as short circuit and electric leakage caused by the dust entering the electric connection part, and improve the operation reliability and safety of the device.
As shown in FIG. 3, in some embodiments of the present application, the air filter assembly 414 comprises a plurality of filter elements 4141, wherein each filter element 4141 is arranged along the air flow direction, in the embodiments of the present application, the filter elements 4141 are of a detachable structure, so that the filter elements 4141 are convenient for workers to clean or replace regularly to keep good filtering effect, each filter element 4141 has a specific filtering structure and function, and can effectively intercept and filter particles with different sizes and properties, and the filter elements 4141 can be made of a plurality of different filtering materials, such as filter screens, filter cores and the like, and suitable filtering precision and materials are selected according to practical requirements so as to meet the requirements of air purification.
As shown in fig. 3 and 4, in some embodiments of the present application, the cool air generating mechanism 3 includes a condenser group 31, a compressor group 32, and an evaporator group 33; the condenser bank 31 and the evaporator bank 33 form a closed circuit with the compressor bank 32 through pipes, the evaporator set 33 is arranged in the air inlet pipeline 412, and the condenser set 31 is arranged outside the heat radiation box body 1; the evaporator group 33 comprises a water collecting bucket 331 and a plurality of evaporators 332, wherein each evaporator 332 is sequentially arranged along the air flow direction, and the water collecting bucket 331 is arranged below the evaporator 332; in an embodiment of the present application, the condenser unit 31 is mainly for cooling the high-temperature and high-pressure gas, which is changed into a liquid state after the refrigerant absorbs heat in the evaporator unit 33, by exchanging heat with the outside air, radiating the heat in the refrigerant to the outside environment, the condenser unit 31 is generally composed of a plurality of condenser units, to improve the heat dissipation efficiency; the compressor unit 32 compresses a low-temperature low-pressure refrigerant gas into a high-temperature high-pressure gas by the action of a compressor, then the refrigerant is conveyed into the condenser group 31 for cooling, and the refrigerant can continuously circulate in the whole closed loop through the operation of the compressor, so that a continuous refrigeration process is realized; the evaporator group 33 is used to cool the air entering the radiator tank, the evaporator 332 is arranged in sequence, so that the air is fully contacted with the evaporator, and the cooling effect is improved; during the passage of air through the evaporator 332, the water vapor therein condenses into water droplets on the surface of the evaporator 332 when cooled, and these droplets flow downward under the force of gravity, eventually fall into the water collection bucket 331 for collection, the condensed water can be used for other purposes after being properly treated, so that the recycling of water resources is realized.
As shown in FIG. 4, in some embodiments of the present application, the cold air generating mechanism 3 further comprises a spray head group 34, the spray head group 34 comprises a plurality of spray heads 341 facing the windward side of the evaporator 332, the spray heads 341 are communicated with the water collecting bucket 331 through a pipeline, and a water spray pump 342 and a water filter 343 are arranged on the pipeline, in the embodiment of the present application, the condensed water collected by the water collecting bucket 331 is reused for spraying water for cooling, and the additional cooling mode is matched with the cooling function of the evaporator 332, so that the cooling effect of the cold air generating mechanism 3 is further enhanced, and meanwhile, the water flow can flush the surface of the evaporator 332 through the water spraying process, so as to remove accumulated dust, dirt and other impurities.
In some embodiments of the present application, as shown in fig. 2, the air outlet assembly 42 includes an air outlet 421, an air outlet pipe 422 and an air outlet fan 423, the air outlet 421 is formed on a side wall of the heat dissipation case 1, the air outlet pipe 422 is connected with the air outlet 421, the air outlet fan 423 is installed in the air outlet pipe 422, in the embodiment of the present application, the air outlet 421 is an opening on the heat dissipation case 1 for exhausting internal hot air, the air outlet pipe 422 is used for guiding the hot air exhausted from the heat dissipation case 1 to flow according to a predetermined direction, the air outlet fan 423 drives the impeller to rotate by the motor to generate a strong airflow thrust, and the hot air in the heat dissipation case 1 is rapidly extracted and exhausted to the external environment through the air outlet pipe 422, so that a space is vacated for the subsequent cold air, thereby maintaining the circulation flow of the air in the heat dissipation case 1 and ensuring that the dry transformer is always in a suitable operating temperature range.
In some embodiments of the present application, the heat-dissipating box 1 is provided with a heat-insulating layer, in the embodiments of the present application, the heat-insulating layer covers the surface of the heat-dissipating box 1 to form a continuous isolation layer, and the heat-insulating layer is generally made of a material with a low heat conductivity coefficient, such as heat-insulating foam, ceramic fiber, aerogel, etc., so that the conduction speed of heat in the heat-insulating layer is greatly slowed down, thereby reducing the dissipation or transmission of heat, and meanwhile, the heat-insulating layer can reduce the influence of convection and radiation heat transfer to a certain extent, for example, some heat-insulating material surfaces have special coatings or structures, which can reflect part of radiant heat, and further reduce the heat transfer efficiency.
The utility model relates to a heat abstractor for a dry-type transformer of a wind power generator cabin, which comprises the following working procedures:
In the air inlet pipeline 412, the air firstly passes through an air filtering component 414, and is filtered by a plurality of filtering pieces 4141 which are sequentially arranged along the air flowing direction, and the filtered air continuously flows in the air inlet pipeline 412;
The air in the air inlet pipeline 412 passes through the evaporator group 33, the condenser group 31, the compressor group 32 and the evaporator group 33 in the cold air generating mechanism 3 form a closed loop through pipelines, and a plurality of evaporators 332 of the evaporator group 33 are sequentially arranged along the air flowing direction to cool the passing air, so that the temperature of the passing air is reduced and becomes cold air;
When the cooling effect needs to be further enhanced, the spray head group 34 works, water in the water collecting bucket 331 is filtered by the water filter 343 under the action of the water spray pump 342 through the pipeline, and then sprayed on the evaporator 332 through a plurality of spray heads 341 facing the windward side of the evaporator 332, so that the refrigerating effect of the evaporator 332 is further enhanced, and the passing air can be more fully cooled;
The cooled cold air enters the accommodating cavity 11 for accommodating the dry-type transformer in the heat-dissipating box body 1 through the air collecting cover 413 connected with the air outlet of the air inlet pipeline 412, and the air after heat exchange and temperature rise in the accommodating cavity 11 enters the air outlet pipeline 422 through the air outlet 421, and the hot air is discharged out of the heat-dissipating box body 1 under the action of the air outlet 423 in the air outlet pipeline 422, so that the primary air-cooling circulation heat dissipation process is completed;
The air cooling circulation mechanism 4 is provided with a plurality of groups of air inlet assemblies 41 and a plurality of groups of air outlet assemblies 42, so that air is continuously circulated in and out, and meanwhile, the cold air generation mechanism 3 continuously operates to cool the air, so that continuous heat dissipation of the dry-type transformer is realized.
The installation mode, the connection mode or the setting mode of the radiating device for the dry-type transformer of the wind power generator cabin are all common mechanical modes, and the radiating device can be implemented as long as the beneficial effects of the radiating device can be achieved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520731933.1U CN224052968U (en) | 2025-04-17 | 2025-04-17 | Heat abstractor for wind power generation cabin dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520731933.1U CN224052968U (en) | 2025-04-17 | 2025-04-17 | Heat abstractor for wind power generation cabin dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN224052968U true CN224052968U (en) | 2026-03-27 |
Family
ID=99219022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520731933.1U Active CN224052968U (en) | 2025-04-17 | 2025-04-17 | Heat abstractor for wind power generation cabin dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN224052968U (en) |
-
2025
- 2025-04-17 CN CN202520731933.1U patent/CN224052968U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105977572B (en) | The working medium cooling system by contact and its working method of capacity cell | |
| CN101315912B (en) | Composite refrigeration method and device for high-power electric semiconductor device | |
| CN102360746B (en) | Transformer forced oil circulation cooler | |
| CN104362700B (en) | Use electric automobile battery charger air cooling system and the control method thereof of chilled water pre-cooling | |
| WO2022037139A1 (en) | Cooling system for wind power generator | |
| CN207252115U (en) | A kind of liquid cooling heat radiation system of power-supply device | |
| CN204230973U (en) | A kind of air cooling system of electric automobile battery charger | |
| CN211090403U (en) | Air-Water Cooling Heat Dissipation Structure for Energy Saving Retrofit of High Voltage Inverter Equipment | |
| CN224052968U (en) | Heat abstractor for wind power generation cabin dry-type transformer | |
| CN116313404A (en) | A Transformer Shell with Noise Reduction Function | |
| CN209724711U (en) | A kind of industrial fan equipment that radiating efficiency can be improved | |
| CN112523978B (en) | Intelligent cooling equipment of wind driven generator | |
| CN118783694A (en) | A heat dissipation system for a motor group | |
| CN209818224U (en) | Cabin aeration cooling device | |
| CN109826764B (en) | Bearing cooling device and wind turbine comprising the same | |
| CN221863369U (en) | Structure and regulation and control device are inhaled to magnetism | |
| CN223540859U (en) | Wind turbine tower base inverter air jet circulation cooling device | |
| CN223826598U (en) | A heat dissipation structure for a refrigeration device | |
| CN111799684A (en) | An outdoor power distribution cabinet with good heat dissipation performance | |
| CN218275749U (en) | Civil air defense electrical control box | |
| CN211695172U (en) | Frequency conversion driver heat abstractor of air condensing units | |
| CN222228756U (en) | Thermal management cooling device of wind turbine generator system | |
| CN222387952U (en) | A thermal management device and vehicle thereof | |
| CN223885526U (en) | An SVG air-cooled heat dissipation device | |
| CN222302241U (en) | Air-cooled condenser, cooling system and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |