CN111403150B - Transformer heat abstractor - Google Patents
Transformer heat abstractor Download PDFInfo
- Publication number
- CN111403150B CN111403150B CN202010348984.8A CN202010348984A CN111403150B CN 111403150 B CN111403150 B CN 111403150B CN 202010348984 A CN202010348984 A CN 202010348984A CN 111403150 B CN111403150 B CN 111403150B
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- transformer
- dust removal
- water tank
- side wall
- dust
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/16—Water cooling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Transformer Cooling (AREA)
Abstract
The embodiment of the invention discloses a transformer heat dissipation device, which comprises a transformer box body and a supporting plate fixedly connected to the inner side wall of the transformer box body, wherein a dust removal cooling device is installed on the supporting plate, a straight pipe is installed on each inner side wall of the transformer box body, the bottoms of a plurality of straight pipes are commonly communicated with a circulating water tank installed at the bottom in the transformer box body, one side of the circulating water tank is connected with a water pump, one end of the water pump is connected with the top of the dust removal cooling device through a pipeline, and a ventilation device is arranged at the bottom of the side wall of the transformer; according to the invention, air is introduced into cooling water, dust in the air is adsorbed by water to achieve the purpose of dust removal, the problem that the dust in the air is accumulated on the surface of the transformer to influence the performance of the transformer is avoided, the temperature of the introduced air is reduced by the cooling water, and cold air falls onto transformer equipment through the air holes to be cooled, so that the cooling effect is better.
Description
Technical Field
The embodiment of the invention relates to the technical field of transformers, in particular to a transformer heat dissipation device.
Background
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, the main components are a primary coil, a secondary coil and an iron core, the oil-immersed self-cooling transformer is a novel high-performance transformer of one type, the structure is more reasonable, the performance is more excellent, and the transformer is only used for transformation of power grids of urban and rural and industrial and mining enterprises and transformers for combined transformers and pre-installed substations.
The transformer can produce a large amount of heat during operation, therefore need the heat abstractor to distribute away the heat that the transformer produced, make the inside temperature of transformer can not rise to higher output capacity and the operating condition who influences the transformer, current transformer generally dispels the heat and cools down the transformer through forced air cooling and water-cooling, also have the heat abstractor that forced air cooling and water-cooling combine, but adopt forced air cooling heat dissipation or combine forced air cooling to carry out the radiating device, after carrying out the heat dissipation cooling of longer time to the transformer inside, because there is a large amount of dusts in the air, directly get into the transformer inside by the air intake under the wind-force guide of forced air cooling device, can make the surface of transformer be full of a large amount of dusts, increase the potential safety hazard and influence the normal work of transformer, consequently, need.
Disclosure of Invention
Therefore, the embodiment of the invention provides a transformer heat dissipation device, which solves the problems that a large amount of dust in the air is accumulated on the surface of a transformer to influence the function of the transformer and increase the potential safety hazard when the existing transformer air-cooling heat dissipation device dissipates heat to the transformer.
In order to achieve the above object, an embodiment of the present invention provides the following:
a transformer heat dissipation device comprises a transformer box body and a supporting plate fixedly connected to the inner side wall of the transformer box body, wherein a dust removal cooling device is mounted on the supporting plate, a T-shaped pipe is mounted on each inner side wall of the transformer box body, the tops of a plurality of the T-shaped pipes are communicated with the bottom of the dust removal cooling device, the bottoms of the plurality of the T-shaped pipes are communicated with a circulating water tank mounted at the bottom in the transformer box body, one side of the circulating water tank is connected with a water pump, one end of the water pump is connected with the top of the dust removal cooling device through a pipeline, transformer equipment is mounted between the bottom of the supporting plate and the top of the circulating water tank, and a ventilation device is arranged;
the dust removal cooling device comprises a dust removal water tank arranged at the top of the supporting plate and a fan arranged on the side wall of the transformer, cooling water is filled in the dust removal water tank, one end of the rectangular pipe is communicated with the bottom of the dust removal water tank, one end of the fan is connected with an air inlet pipe, one end of the air inlet pipe, far away from the fan, is connected to the top of the dust removal water tank and extends downwards to the position below the liquid level of the cooling water, and air holes are correspondingly formed in the supporting plate;
a grid plate is arranged on the inner side wall of the dust removal water tank and is positioned between the end part of the air inlet pipe and the liquid level of the cooling water;
install the collection subassembly in the dust removal water tank, the collection subassembly is including seting up at the delivery port of dust removal water tank bottom and inserting the sieve section of thick bamboo of locating in the delivery port, just the top of word pipe connect in the bottom of delivery port, the top of sieve section of thick bamboo is through connecting rod fixedly connected with and grid plate threaded connection's screw thread section of thick bamboo, two actuating levers of the top symmetry fixedly connected with of screw thread section of thick bamboo, the top of transformer box corresponds the actuating lever and has seted up the dust groove, dust groove female connection has the apron, and two the top of actuating lever is located the apron.
As a preferable scheme of the invention, a waterproof and breathable film is connected between the outer side wall of the dust removal water tank and the inner side wall of the transformer tank body.
As a preferable scheme of the invention, the ventilation device comprises a ventilation tube communicated with the interior of the transformer box body and a plurality of baffle plates fixedly connected to the inner side wall of the ventilation tube in a staggered mode, the baffle plates form a square-shaped channel, and a fan is installed at one end, far away from the transformer box body, in the ventilation tube.
As a preferable scheme of the present invention, a filter screen is installed in a passage opening of the clip passage disposed near the fan.
In a preferred embodiment of the present invention, the top of the two driving rods is commonly connected with an auxiliary rod.
In a preferred embodiment of the present invention, the diameter of the top nozzle of the rectangular pipe is larger than the diameter of the bottom of the screen cylinder.
As a preferable scheme of the invention, one end of the pipeline, which is far away from the water pump, is positioned below the grid plate.
As a preferable scheme of the invention, the bottom of the dedusting water tank is in an inverted conical shape, and the water outlet is positioned in the center of the bottom of the dedusting water tank.
The embodiment of the invention has the following advantages:
according to the invention, air is introduced into cooling water, dust in the air is adsorbed by water to achieve the purpose of dust removal, the problem that the dust in the air is accumulated on the surface of the transformer to influence the performance of the transformer is avoided, the temperature of the introduced air is reduced by the cooling water, and cold air falls onto transformer equipment through the air holes to be cooled, so that the cooling effect is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a transformer heat dissipation device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a collecting assembly according to an embodiment of the present invention.
In the figure:
1-transformer tank body; 2-a support plate; 3-a dust removal cooling device; a 4-inch character tube; 5-a circulating water tank; 6, a water pump; 7-waterproof breathable film; 8-a ventilation device; 9-a collection assembly;
301-dust removal water tank; 302-a fan; 303-an air inlet pipe; 304-air holes; 305-a grid plate;
801-a funnel; 802-a baffle; 803-clip channel; 804-a fan; 805-a filter screen;
901-water outlet; 902-screen drum; 903-a threaded cylinder; 904-a drive rod; 905-dustproof groove; 906-cover plate; 907-auxiliary rod.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 and 2, the invention provides a transformer heat dissipation device, which comprises a transformer tank 1 and a support plate 2 fixedly connected to the inner side wall of the transformer tank 1, wherein a dust removal cooling device 3 is installed on the support plate 2, a zigzag tube 4 is installed on each inner side wall of the transformer tank 1, the tops of a plurality of zigzag tubes 4 are communicated with the bottom of the dust removal cooling device 3, the bottoms of the zigzag tubes 4 are commonly communicated with a circulating water tank 5 installed at the bottom in the transformer tank 1, one side of the circulating water tank 5 is connected with a water pump 6, one end of the water pump 6 is connected with the top of the dust removal cooling device 3 through a pipeline, transformer equipment is installed between the bottom of the support plate 2 and the top of the circulating water tank 5, and a ventilation device 7 is arranged at the bottom of;
dust removal cooling device 3 is including installing dust removal water tank 301 at backup pad 2 top and installing fan 302 on transformer 1 lateral wall, and is equipped with the cooling water in the dust removal water tank 301, the one end of zigzag 4 and the bottom intercommunication of dust removal water tank 301, fan 302 one end is connected with air-supply line 303, and the one end that fan 302 was kept away from to air-supply line 303 is connected to the top of dust removal water tank 301 and extends to cooling water liquid level below downwards, and the gas pocket 304 has been seted up to the correspondence on the backup pad 2.
When the dust removal cooling device is used, the fan 302 of the dust removal cooling device 3 pumps external air into the transformer box body 1, the air enters the dust removal water tank 301 through the air inlet pipe 303, and the wind pressure given by the fan 302 enables the wind power in the air inlet pipe 303 to overcome the water pressure of cooling water in the dust removal water tank 301, so that the air enters the cooling water.
The air gradually moves towards the surface of the cooling water in the cooling water, and the cooling water adsorbs dust in the air in the process of movement and removes the dust in the air, so that the dust in the air overflowing the cooling water is removed.
The air moves in the cooling water, the heat carried by the air is absorbed by the cooling water, and the temperature is reduced to be the same as that of the cooling water.
The cold air that spills over the cooling water passes through the gas pocket and moves towards 1 inside below of transformer box gradually to absorb inside heat gradually at the in-process of downstream, because the air is the gaseous state, can carry out all-round contact cooling to transformer equipment, the cooling effect is better, and does not have the dust in the air, can not have the dust after the heat dissipation cooling to remain to pile up on transformer equipment surface, causes the influence to transformer equipment's normal use.
When the dust removing and cooling device 3 is started, cooling water flows into the circulating water tank 5 from the zigzag pipe 4 communicated with the dust removing water tank 301, and when the cooling water flows along the zigzag pipe 4, the zigzag structure of the zigzag pipe 4 lengthens the flow path of the cooling water, so that the cooling water can absorb more heat when descending at the same height, and the cooling effect on the interior of the transformer tank 1 is better.
The cooling water flowing into the circulating water tank 5 is re-introduced into the dust-removing water tank 301 by the water pump 6 to remove dust from the air.
Preferably, the volume of the cooling water entering the dust removal water tank 301 is the same as the volume of the cooling water entering the circulation water tank 5, so that the volumes of the cooling water in the dust removal water tank 301 and the cooling water in the circulation water tank 5 are constant all the time, and the dust removal effect of air is ensured.
Preferably, because the continuous cyclic motion of cooling water in dust removal water tank 301 for cooling water in dust removal water tank 301 is in the state of rocking, and the cooling water that rocks can smash air bubble, has promoted the dust removal effect that makes the air better.
And dust removal water tank 301 is located the interior top of transformer box 1, can effectively block the heat that comes from the direct solar radiation transformer box 1 top, avoids aggravating the inside heat dissipation problem of transformer box 1.
A waterproof and breathable film 7 is connected between the outer side wall of the dust removal water tank 301 and the inner side wall of the transformer tank body 1.
Waterproof ventilated membrane 7 can allow the air molecule to pass through, holds back the water molecule for do not contain moisture in the air of moving to backup pad 2 below, can not make the transformer equipment of below become moist because of the moisture in the air, produce the electric leakage risk.
A grid plate 305 is mounted on the inner side wall of the dust removal water tank 301, and the grid plate 305 is located between the end of the air inlet pipe 303 and the cooling water level.
Air gets into and can produce a big bubble in the cooling water for the cooling water is not too good to the dust removal effect of air, through grid plate 305 to the cutting of air bubble, makes the big bubble breakage be a plurality of little bubbles, promotes the dust removal effect of cooling water.
The ventilation device 8 comprises a ventilation duct 801 communicated with the interior of the transformer box body 1 and a plurality of baffles 802 fixedly connected to the inner side wall of the ventilation duct 801 in a staggered mode, the baffles 802 form a return channel 803, and a fan 804 is installed at one end, far away from the transformer box body 1, in the ventilation duct 801.
Air enters the transformer tank 1 and flows to the outside through the ventilation device 8, and wind power circulation is carried out.
In order to prevent dust from entering the transformer tank 1 through the ventilator 8 and accumulating on the surface of the transformer equipment, a fan 804 is provided in the funnel 801, and the dust to be entered is blocked outside the transformer tank 1 by the wind force of the fan 804.
In order to prevent part of dust from entering the transformer tank 1 through the fan 803, the staggered baffle 802 forms the zigzag channel 803, the zigzag channel prevents external wind from directly blowing the dust into the transformer tank 1, the moving path of the dust is prolonged, and in the zigzag channel 803, the dust is only inclined by the outward wind of the fan 804, and the dust is prevented from entering the transformer tank 1.
A filter 805 is installed in a channel opening of the rectangular channel 803 near the fan 804.
To further ensure the dust blocking effect, a filter screen 805 is added, and the filter screen 805 blocks the dust from entering the path inside the transformer tank 1 only, so that most of the dust is blocked on the filter screen 805.
Install collection subassembly 9 in dust removal water tank 301, collection subassembly 9 is including seting up at the delivery port 901 of dust removal water tank 301 bottom and inserting a sieve section of thick bamboo 902 of locating in delivery port 901, and the top of zigzag pipe 4 is connected in the bottom of delivery port 901, the top of sieve section of thick bamboo 902 is through connecting rod fixedly connected with and grid plate 305 threaded connection's a screw section of thick bamboo 903, two actuating levers 904 of the symmetrical fixedly connected with in top of a screw section of thick bamboo 903, the top of transformer box 1 corresponds actuating lever 904 and has seted up dust groove 905, dust groove 905 female connection has apron 906, and the top of two actuating levers 904 is located apron 906.
After the dust in the air is adsorbed into the cooling water, the dust needs to be removed, otherwise, the zigzag pipe 4 is blocked along with the gradual increase of the dust, and the normal use of the device is affected.
The cooling water enters the character tube 4 through the water outlet 901, before the flowing-in character tube 4, dust in the cooling water enters the screen drum 902 along with water flow and is filtered by the screen drum 902, so that the dust is left in the screen drum 902, and the cooling water enters the character tube 4 through the bottom of the screen drum 902.
When dust in the screen drum 902 is accumulated more, the cover plate 906 is opened, the two driving rods 904 are rotated to disconnect the threaded drum 903 from the grid plate 305, and then the whole device is lifted upwards, so that the screen drum 902 is taken out to the outside of the transformer tank 1 for cleaning or replacement.
Operating in reverse in the manner described above, a cleaned or new screen cartridge 902 is partially installed in place and cover plate 906 is tightened to prevent dust from entering the interior of transformer tank 1 through dust chute 905.
The auxiliary lever 907 is commonly connected to the top of the two driving levers 904.
The auxiliary rod 907 can be more convenient and labor-saving when the threaded barrel 903 is screwed down in a rotating mode.
The top orifice diameter of the zigzag tube 4 is larger than the bottom diameter of the screen cylinder 902.
The cooling water passing through the screen drum 902 can be completely filled into the straight pipe 4, so that the leakage of the transformer equipment caused by the water leakage is avoided.
The end of the pipe remote from the water pump 6 is located below the grid plate 305.
The cooling water in the dust removal water tank 301 can be better agitated under the grid plate 305, so that the dust removal effect of the dust removal water tank 01 on air is better.
The bottom of the dedusting water tank 301 is in an inverted cone shape, and the water outlet 901 is located in the center of the bottom of the dedusting water tank 301.
The inverted conical bottom enables water flow to better flow into the water outlet 901 to enter the screen drum 902, and dust is better collected.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A transformer heat dissipation device is characterized by comprising a transformer box body (1) and a support plate (2) fixedly connected to the inner side wall of the transformer box body (1), wherein a dust removal cooling device (3) is installed on the support plate (2), a plurality of character pipes (4) are installed on each inner side wall of the transformer box body (1), the tops of the character pipes (4) are communicated with the bottom of the dust removal cooling device (3), the bottoms of the character pipes (4) are communicated with a circulating water tank (5) installed at the bottom in the transformer box body (1), one side of the circulating water tank (5) is connected with a water pump (6), one end of the water pump (6) is connected with the top of the dust removal cooling device (3) through a pipeline, and transformer equipment is installed between the bottom of the support plate (2) and the top of the circulating water tank (5), a ventilation device (8) is arranged at the bottom of the side wall of the transformer box body (1);
the dust removal cooling device (3) comprises a dust removal water tank (301) arranged at the top of the supporting plate (2) and a fan (302) arranged on the side wall of the transformer (1), cooling water is filled in the dust removal water tank (301), one end of the rectangular pipe (4) is communicated with the bottom of the dust removal water tank (301), one end of the fan (302) is connected with an air inlet pipe (303), one end, far away from the fan (302), of the air inlet pipe (303) is connected to the top of the dust removal water tank (301) and extends downwards to the position below the liquid level of the cooling water, and an air hole (304) is correspondingly formed in the supporting plate (2);
a grid plate (305) is mounted on the inner side wall of the dust removal water tank (301), and the grid plate (305) is located between the end of the air inlet pipe (303) and the liquid level of cooling water;
install collection subassembly (9) in dust removal water tank (301), collect subassembly (9) including set up delivery port (901) in dust removal water tank (301) bottom and insert sieve section of thick bamboo (902) of locating in delivery port (901), just the top of square tube (4) is connected in the bottom of delivery port (901), the top of sieve section of thick bamboo (902) is through connecting rod fixedly connected with and grid plate (305) threaded connection's screw thread section of thick bamboo (903), the top symmetry fixedly connected with two actuating levers (904) of screw thread section of thick bamboo (903), dust groove (905) have been seted up to the top of transformer box (1) corresponding actuating lever (904), dust groove (905) female connection has apron (906), and two the top of actuating lever (904) is located apron (906).
2. The transformer heat dissipation device according to claim 1, wherein a waterproof and breathable membrane (7) is connected between the outer side wall of the dust removal water tank (301) and the inner side wall of the transformer tank (1).
3. The transformer heat dissipation device according to claim 1, wherein the ventilation device (8) comprises a ventilation duct (801) communicated with the inside of the transformer tank (1) and a plurality of baffles (802) fixedly connected to the inner side wall of the ventilation duct (801) in a staggered manner, the plurality of baffles (802) form a return channel (803), and a fan (804) is installed at one end, far away from the transformer tank (1), in the ventilation duct (801).
4. The heat sink for transformer as recited in claim 3, wherein said channel (803) is provided with a filter (805) in a channel opening near said fan (804).
5. The transformer heat sink according to claim 1, wherein an auxiliary rod (907) is commonly connected to the tops of the two driving rods (904).
6. The transformer heat sink according to claim 1, wherein the top orifice diameter of the rectangular tube (4) is larger than the bottom diameter of the screen cylinder (902).
7. The transformer heat sink according to claim 1, wherein the end of the pipe remote from the water pump (6) is located below the grid plate (305).
8. The transformer heat dissipation device according to claim 1, wherein the bottom of the de-dusting water tank (301) is in an inverted cone shape, and the water outlet (901) is located at the center of the bottom of the de-dusting water tank (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010348984.8A CN111403150B (en) | 2020-04-28 | 2020-04-28 | Transformer heat abstractor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010348984.8A CN111403150B (en) | 2020-04-28 | 2020-04-28 | Transformer heat abstractor |
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| CN111403150A CN111403150A (en) | 2020-07-10 |
| CN111403150B true CN111403150B (en) | 2021-06-04 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834091B (en) * | 2020-07-23 | 2023-07-07 | 柳州索能特种变压器有限责任公司 | Dustproof noise reduction dry-type transformer |
| CN111986888A (en) * | 2020-08-21 | 2020-11-24 | 大唐环境产业集团股份有限公司 | Stable heat dissipation device based on transformer |
| CN115331916B (en) * | 2022-10-13 | 2023-02-03 | 山东鲁控电力设备有限公司 | Intelligent distribution transformer |
| CN116278879B (en) * | 2023-05-23 | 2023-08-15 | 泰州高意诚复合材料有限公司 | SMC wireless charging pile housing for new energy automobile |
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| JPH1070028A (en) * | 1996-08-27 | 1998-03-10 | Fuji Electric Co Ltd | Device for utilizing waste heat of transformer |
| CN205542275U (en) * | 2016-03-01 | 2016-08-31 | 陈昊 | Multiform heat abstractor of transformer |
| CN106410639A (en) * | 2016-11-17 | 2017-02-15 | 国网新疆电力公司和田供电公司 | Package transformer suitable for wet and dusty environment and with high safety |
| CN106935364A (en) * | 2017-05-02 | 2017-07-07 | 句容市江电电器机械有限公司 | Transformer case |
| CN207203755U (en) * | 2017-08-15 | 2018-04-10 | 张志仓 | A kind of chemical industry dust arrester |
| CN207367737U (en) * | 2017-11-10 | 2018-05-15 | 福建雄风电气有限公司 | A kind of dustproof heat radiator of new reservoir transformer |
| CN208738018U (en) * | 2018-08-13 | 2019-04-12 | 河南万锦电气设备有限公司 | A kind of transformer with warning device |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1070028A (en) * | 1996-08-27 | 1998-03-10 | Fuji Electric Co Ltd | Device for utilizing waste heat of transformer |
| CN205542275U (en) * | 2016-03-01 | 2016-08-31 | 陈昊 | Multiform heat abstractor of transformer |
| CN106410639A (en) * | 2016-11-17 | 2017-02-15 | 国网新疆电力公司和田供电公司 | Package transformer suitable for wet and dusty environment and with high safety |
| CN106935364A (en) * | 2017-05-02 | 2017-07-07 | 句容市江电电器机械有限公司 | Transformer case |
| CN207203755U (en) * | 2017-08-15 | 2018-04-10 | 张志仓 | A kind of chemical industry dust arrester |
| CN207367737U (en) * | 2017-11-10 | 2018-05-15 | 福建雄风电气有限公司 | A kind of dustproof heat radiator of new reservoir transformer |
| CN208738018U (en) * | 2018-08-13 | 2019-04-12 | 河南万锦电气设备有限公司 | A kind of transformer with warning device |
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| CN111403150A (en) | 2020-07-10 |
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