CN115132463B - Dry-type power transformer - Google Patents
Dry-type power transformer Download PDFInfo
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- CN115132463B CN115132463B CN202210942847.6A CN202210942847A CN115132463B CN 115132463 B CN115132463 B CN 115132463B CN 202210942847 A CN202210942847 A CN 202210942847A CN 115132463 B CN115132463 B CN 115132463B
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- 238000001816 cooling Methods 0.000 claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 238000009423 ventilation Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 35
- 239000000428 dust Substances 0.000 claims description 25
- 238000005507 spraying Methods 0.000 claims description 20
- 238000001125 extrusion Methods 0.000 claims description 17
- 230000006698 induction Effects 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 11
- 239000000806 elastomer Substances 0.000 claims description 11
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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
- H01F27/10—Liquid cooling
- H01F27/16—Water cooling
-
- 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
-
- 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
- H01F27/23—Corrosion protection
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Abstract
The invention discloses a dry-type power transformer, which comprises a box body, a cover body, a first sealing component, a second sealing component, an air cooling component and a water cooling component, wherein the cover body is arranged above the box body, a window for ventilation is formed in the cover body, the first sealing component is arranged outside the window, the air cooling component is arranged inside the box body, and the window is an air outlet of the air cooling component; an air port is formed in one side of the box body, and the second sealing assembly is arranged on the outer side of the air port; the first sealing component and the second sealing component are respectively provided with two opening and closing windows, and the opening and closing windows are opened and closed under electric control; the water cooling assembly is used for water-cooling the transformer; the water cooling assembly can work independently or in linkage with the air cooling assembly, and comprises a water tank, a cooling pipe and a first pump body.
Description
Technical Field
The invention is applied to the background of transformer equipment and is named as a dry type power transformer.
Background
Dry transformers are widely used in places such as local lighting, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and simply said dry transformers refer to transformers in which the iron cores and windings are not immersed in insulating oil.
In the working process of the dry-type transformer, a large amount of heat can be generated inside the dry-type transformer, if heat dissipation is not carried out timely, the performance of the transformer can be greatly influenced, liquid cooling and air cooling are commonly used at present, and in some cases of severe external environments, particularly outdoor conditions with more dust, in order to protect the service life of electrical components inside the dry-type transformer, a liquid cooling mode of a closed cavity is often adopted.
However, after the dry transformer works for a long time, the requirement of cooling by using circulating liquid cooling can not be met, auxiliary cooling is needed by adopting air cooling, however, because the dust in the external environment is more, a protection means is needed, the effect of air cooling is achieved under the condition that the dust is isolated outside, and no similar technology can be used for reference at present.
Therefore, it is necessary to provide a dry power transformer which can achieve the functions of intelligent cooling and automatic dust fall.
Disclosure of Invention
The present invention is directed to a dry-type power transformer, which solves the above-mentioned problems.
In order to solve the technical problems, the invention provides the following technical scheme: a dry-type power transformer, contains box, lid, first seal assembly, second seal assembly, forced air cooling subassembly, water-cooling subassembly, wherein:
The cover body is arranged above the box body, a window for ventilation is formed in the cover body, the first sealing component is arranged outside the window, the air cooling component is arranged inside the box body, and the window is an air outlet of the air cooling component;
An air port is formed in one side of the box body, and the second sealing assembly is arranged on the outer side of the air port;
The first sealing component and the second sealing component are respectively provided with two opening and closing windows, and the opening and closing windows are opened and closed under electric control;
the water cooling assembly is used for water-cooling the transformer;
the water cooling component can work independently or work in linkage with the air cooling component.
In one embodiment, the water cooling assembly comprises a water tank, a cooling tube, a first pump body, wherein:
the water tank is positioned at one side of the tank body, water for cooling is arranged in the water tank, the cooling pipe is positioned in the tank body, the water tank is communicated with the cooling pipe and forms a loop, and the first pump body is arranged in the loop;
the box cover is provided with a photovoltaic module, and the first pump body is electrically connected with the photovoltaic module.
In one embodiment, the air cooling assembly comprises a driving component and an air exhausting component, wherein:
the driving component is positioned in the box body, and the exhaust component is arranged at the output end of the driving component; and a temperature sensor is arranged in the box body.
In one embodiment, the air cooling assembly is further provided with a dust fall assembly, the dust fall assembly comprises a driving wheel, a driven wheel, a fixed shaft, a liquid cavity and a spraying component, wherein:
the driving wheel is sleeved at the output end of the driving part, the fixed shaft is fixedly arranged in the box body, the driven wheel is connected with the fixed shaft bearing, the driving wheel is connected with the driven wheel through a belt, the liquid cavity is arranged at the outer side of the fixed shaft, water for spraying is arranged in the liquid cavity, the extrusion part is arranged at the inner side of the driven wheel, the spraying part is arranged at the outer side of the box body and is positioned right above the air port, the liquid cavity is communicated with the spraying part through the rotating assembly, and a second one-way valve assembly is arranged in the communicating pipeline;
The second one-way valve assembly comprises a second sealing body and a second elastic body, one end of the second elastic body is fixedly arranged in the communication pipeline, and the other end of the second elastic body is fixedly arranged with the second sealing body.
In one embodiment, the air cooling assembly is further provided with a hydraulic assembly in communication with the dust settling assembly, the hydraulic assembly comprising a rotating assembly, a first one-way valve assembly, wherein:
a cavity is arranged in the fixed shaft and is communicated with the first pump body through the rotating assembly, the cavity is communicated with the liquid cavity, and the first one-way valve assembly is arranged in the pipeline;
The first one-way valve assembly comprises a first sealing body and a first elastic body, one end of the first elastic body is fixedly arranged in the pipeline, and the other end of the first elastic body is fixed with the first sealing body.
In one embodiment, the air cooling assembly is further provided with a sensing assembly comprising a sensing chamber, a third elastomer, a piston, wherein:
The induction cavity is fixedly arranged on the outer side of the box body and is positioned on one side of the window, a third elastic body is fixedly arranged in the induction cavity, a piston is fixedly arranged at the other end of the third elastic body, and the piston is in sliding connection with the induction cavity;
The extrusion part is hollow structure and is equipped with hydraulic oil in, the left side in response chamber is equipped with hydraulic oil, the left side in response chamber pass through rotating assembly with extrusion part's inside intercommunication.
In one embodiment, the rotating assembly comprises a stationary chamber, a rotating chamber, wherein:
The fixed chamber is in bearing connection with the rotating chamber, the fixed chamber is used for connecting the fixed end, and the rotating chamber is used for connecting the rotating end.
In one embodiment, the inside of the box is provided with a drying assembly comprising a fourth elastomer, a hygroscopic component, wherein:
The fourth elastomer is fixedly arranged at the bottom of the inner side of the box body, the upper end of the fourth elastomer is fixedly provided with a moisture absorption part, and the moisture absorption part is right opposite to the air port.
In one embodiment, the outside of box is equipped with the recovery subassembly, the recovery subassembly includes water receiving box, box body, second pump body, wherein:
The water receiving box is fixedly arranged on the outer side of the box body and is positioned under the spraying part, the box body is positioned on the water receiving box, a filter screen is arranged in the middle of the box body, and the box body is communicated with the water tank pipeline and is internally provided with a second pump body.
Compared with the prior art, the invention has the following beneficial effects: the invention can realize the combination of independent water cooling and air cooling by arranging the air cooling component and the water cooling component, and can adjust the dust falling force in real time according to the change of external wind power, thereby achieving the purpose of protecting the transformer.
Drawings
The technical solution and other advantageous effects of the present application will be made apparent by the following detailed description of the specific embodiments of the present application with reference to the accompanying drawings.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the overall explosive structure of the present invention;
FIG. 3 is a schematic view of the partial structure at A of the present invention;
FIG. 4 is a schematic view of the partial structure of the present invention at B;
FIG. 5 is a schematic view of a hydraulic circuit of the present invention;
FIG. 6 is a schematic view of the sensing assembly and spray assembly of the present invention;
In the figure: 1. a case; 2. a cover body; 3. a photovoltaic module; 4. a first seal assembly; 5. a water tank; 6. a water receiving box; 7. a case body; 8. a second seal assembly; 9. an induction chamber; 10. a cooling tube; 11. an air port; 12. an exhaust component; 13. a spray member; 14. a second pump body; 15. a first pump body; 16. a fixed shaft; 17. a liquid chamber; 18. a first elastomer; 19. a first sealing body; 20. a second sealing body; 21. a second elastomer; 22. driven wheel; 23. an extrusion member; 24. a third elastomer; 25. a piston; 26. a second stationary chamber; 27. a second rotation chamber; 28. a driving part; 29. a driving wheel; 30. a first rotation chamber; 31. a first stationary chamber; 32. a third rotation chamber; 33. and a third stationary chamber.
Detailed Description
The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
Example 1
Referring to fig. 1-6, the present invention provides the following technical solutions: a dry-type power transformer, contains box 1, lid 2, first seal assembly 4, second seal assembly 8, forced air cooling subassembly, water-cooling subassembly, wherein:
The cover body 2 is arranged above the box body 1, a window for ventilation is formed in the cover body 2, the first sealing component 4 is arranged outside the window, the air cooling component is arranged inside the box body 1, and the window is an air outlet of the air cooling component;
one side of the box body 1 is provided with an air port 11, and the second sealing component 8 is arranged at the outer side of the air port 11;
The first sealing component 4 and the second sealing component 8 are respectively provided with two open-close windows which are opened and closed under the control of electric power;
the water cooling component is used for water-cooling the transformer;
The water cooling assembly includes water tank 5, cooling tube 10, first pump body 15, wherein:
the water tank 5 is positioned at one side of the tank body 1, water for cooling is arranged in the water tank 5, the cooling pipe 10 is positioned in the tank body 1, the water tank 5 is communicated with the cooling pipe 10 and forms a loop, and the first pump body 15 is arranged in the loop;
the case cover 2 is provided with a photovoltaic module 3, and the first pump body 15 is electrically connected with the photovoltaic module 3;
in this embodiment, the first sealing component 4 and the second sealing component 8 are both closed, so as to keep the inside of the transformer sealed and prevent external dust from entering, at this time, the photovoltaic component 3 drives the first pump body 15, so that water in the water tank 5 enters the cooling pipe 10 and then flows back into the water tank 5, and the inside of the transformer is cooled in the circulating process, where in order to enhance the cooling effect, the cooling pipes 10 may be multiple groups;
Example two
As shown in fig. 1 to 6, the structure of this embodiment is substantially the same as that of the first embodiment, except that the following structure is added to the first embodiment: the air cooling assembly comprises a driving part 28 and an exhaust part 12, wherein:
the driving component 28 is positioned in the box body 1, the exhaust component 12 is arranged at the output end of the driving component 28, the driving component 28 is electrically connected with the photovoltaic module 3, a temperature sensor is arranged in the box body 1, and a control system is arranged in the box body and used for coordinating the work of all electrical components;
in the present embodiment, the driving part 28 may be a motor;
in this embodiment, the exhaust component 12 may be a fan;
In the embodiment, the temperature inside the transformer is sensed by the temperature sensor, when a certain temperature is reached, the first sealing component 4 and the second sealing component 8 are both opened, the driving component 28 is controlled to be started and drive the air exhaust component 12 to operate, hot air flow inside the transformer is discharged through the window under the action of the air exhaust component 12, and cold air flow enters through the air port 11, so that the air flow speed inside the transformer is increased, and the cooling effect is enhanced;
in this embodiment, the air cooling assembly may be operated independently to help the water cooling assembly cool itself, and the air cooling assembly may also work together with the water cooling assembly to increase the cooling efficiency.
Example III
As shown in fig. 1-6, the structure of this embodiment is basically the same as that of the second embodiment, except that the following structure is added on the basis of the second embodiment: the air cooling assembly is also provided with a dust fall assembly, the dust fall assembly comprises a driving wheel 29, a driven wheel 22, a fixed shaft 16, a liquid cavity 17, a spraying part 13 and a first rotating assembly, wherein:
the driving wheel 29 is sleeved at the output end of the driving part 28, the fixed shaft 16 is fixedly arranged in the box body 1, the driven wheel 22 is connected with the fixed shaft 16 through a bearing, the driving wheel 29 is connected with the driven wheel 22 through a belt, the liquid cavity 17 is arranged at the outer side of the fixed shaft 16, water for spraying is arranged in the liquid cavity 17, the extrusion part 23 is arranged at the inner side of the driven wheel 22, the spraying part 13 is arranged at the outer side of the box body 1 and is positioned right above the air port 11, the liquid cavity 17 is communicated with the spraying part 13 through a first rotating assembly, and a second one-way valve assembly is arranged in a communicating pipeline;
The second one-way valve assembly comprises a second sealing body 20 and a second elastic body 21, one end of the second elastic body 21 is fixedly arranged in the communication pipeline, and the other end of the second elastic body 21 is fixedly arranged on the second sealing body 20;
The first rotating assembly comprises a first fixed chamber 31 and a first rotating chamber 30, the first fixed chamber 31 is connected with the first rotating chamber 30 through a bearing, the first fixed chamber 31 is connected with the water spraying pipe 13 through a pipeline, and the first rotating chamber 30 is connected with the liquid chamber 17 through a pipeline;
In the embodiment, in order to prevent excessive dust from entering the inside of the transformer during air cooling, the flowing gas is sprayed to reduce dust;
Specifically, in this embodiment, the driving part 28 drives the driving wheel 29 to rotate, so as to drive the driven wheel 22 to rotate, in the process of rotating the driven wheel 22, the extruding part 23 fixedly arranged in the driven wheel 22 extrudes the liquid cavity 17 fixedly arranged on the fixed shaft 16, and water is arranged in the liquid cavity 17, under the action of the extruding force, the water in the liquid cavity 17 pushes the second sealing body 20 through the first rotating component, and the water is sprayed out through the spraying part 13 to reduce dust of the cold air entering through the air port 11.
In this embodiment, since the pressing member 23 and the liquid chamber 17 are disposed at intervals, the second sealing body 20 is opened during pressing and is restored by the second elastic body 21 when not pressing, so that the amount of water sprayed can be controlled by the speed at which the driven wheel 22 rotates, so as to adapt to the situation that a large amount of dust is carried by a large air flow during high-power air cooling, and the increase of the water sprayed amount is helpful to increase the dust settling effect.
Example IV
As shown in fig. 1 to 6, the structure of this embodiment is basically the same as that of the third embodiment, except that the following structure is added to the third embodiment: the air cooling assembly is also provided with a hydraulic assembly, the hydraulic assembly is communicated with the dust fall assembly, the hydraulic assembly comprises a second rotating assembly and a first one-way valve assembly, and the hydraulic assembly comprises:
The fixed shaft 16 is internally provided with a cavity which is communicated with the first pump body 15 through a second rotating component, the cavity is communicated with the liquid cavity 17, and a first one-way valve component is arranged in the pipeline;
The first one-way valve assembly comprises a first sealing body 19 and a first elastic body 18, one end of the first elastic body 18 is fixedly arranged in the pipeline, and the other end of the first elastic body 18 is fixedly connected with the first sealing body 19;
The second rotating assembly comprises a second fixed chamber 26 and a second rotating chamber 27, the second fixed chamber 26 is connected with the second rotating chamber 27 through a bearing, the second fixed chamber 26 is connected with the water pump 15 through a pipeline, and the second rotating chamber 27 is connected with the fixed shaft 16 through a cavity pipeline;
in the embodiment, the hydraulic component can continuously provide water for the dust falling component, so that the dust falling work is ensured to be continuous;
Specifically, in this embodiment, the first pump body 15 pumps water out of the water tank 5, because of the existence of the cooling circuit, the water pumped out at the initial stage is all used for water cooling operation, the second sealing body 20 is subjected to larger spring force, when the cavity of the fixed shaft 16 and the liquid cavity 17 are full of water, the water cannot be sprayed out of the spraying component 13, when air cooling begins, the liquid cavity 17 is extruded due to rotation of the driven wheel 22, the pressure in the liquid cavity 17 is increased, the water in the liquid cavity 17 can only push the second sealing body 20 to enter the spraying component 13, when the water in the liquid cavity 17 is extruded, the pressure in the liquid cavity 17 is reduced, the water in the cavity of the fixed shaft 16 pushes the first sealing body 19 to enter the liquid cavity 17 to supplement water for the liquid cavity 17, so that the water quantity in the fixed shaft 16 is reduced, at the moment, the first pump body 15 also supplements the water in the cavity of the fixed shaft 16 until the water in the fixed shaft 16 is full of the pump, and the steps are repeated, so that the purpose of continuously dust falling is achieved.
Example five
As shown in fig. 1 to 6, the structure of this embodiment is basically the same as that of the fourth embodiment, except that the following structure is added to the fourth embodiment: the forced air cooling subassembly has still been furnished with the response subassembly, and the response subassembly includes response chamber 9, third elastomer 24, piston 25, third rotatory subassembly, wherein:
the sensing cavity 9 is fixedly arranged on the outer side of the box body 1 and is positioned on one side of the window 11, a third elastic body 24 is fixedly arranged in the sensing cavity 9, a piston 25 is fixedly arranged at the other end of the third elastic body 24, and the piston 25 is in sliding connection with the sensing cavity 9;
The extrusion part 23 is of a hollow structure and is internally provided with hydraulic oil, the left side of the induction cavity 9 is provided with hydraulic oil, and the left side of the induction cavity 9 is communicated with the inside of the extrusion part 23 through a rotating assembly;
the third rotating assembly comprises a third fixed chamber 33 and a third rotating chamber 32, the third fixed chamber 33 is connected with the third rotating chamber 32 through a bearing, the third fixed chamber 33 is connected with the sensing chamber 9 through a pipeline, and the third rotating chamber 32 is connected with the extrusion chamber 23 through a pipeline;
In the embodiment, the induction component is arranged, so that the external wind power can be induced, and the dust settling water quantity is adjusted according to the wind power, so that the effect of adapting to the external environment is achieved;
Specifically, in this embodiment, when the external wind force is small or no wind force exists, the piston 25 is at the initial position, the force of the extrusion part 23 extruding the liquid cavity 17 is small, when the external wind force is large, the piston 25 moves leftwards, the hydraulic oil in the extrusion sensing cavity 9 enters the extrusion part 23, so that the volume of the extrusion part 23 is increased, the extrusion force is increased when the hydraulic oil is extruded with the liquid cavity 17, the water quantity sprayed by the spraying part 13 is increased, and the risk of adapting to the external wind force and preventing more dust from entering the transformer when the wind force is large is achieved.
Example six
As shown in fig. 1 to 6, the structure of this embodiment is substantially the same as that of the fifth embodiment, except that the following structure is added to the fifth embodiment: the inside drying component that is equipped with of box 1, drying component include fourth elastomer, moisture absorption part, wherein:
The fourth elastic body is fixedly arranged at the bottom of the inner side of the box body 1, the upper end of the fourth elastic body is fixedly provided with a moisture absorption part, the moisture absorption part faces the air port 11, and a camera is arranged in the box body 1;
In this embodiment, the moisture absorption member is to prevent water from entering the inside of the transformer through the tuyere 11, because the moisture absorption capability of the moisture absorption member is limited, the weight thereof is not increased when reaching its limit, and the height of the moisture absorption member is collected by the camera, thereby determining the time when the air cooling is stopped, preventing water from not being absorbed and entering the inside of the transformer, and affecting the performance of the transformer.
The outside recovery subassembly that is equipped with of box 1, recovery subassembly include water receiving box 6, box body 7, the second pump body 14, wherein:
The water receiving box 6 is fixedly arranged on the outer side of the box body 1 and is positioned under the spraying part 13, the box body 7 is positioned under the water receiving box 6, a filter screen is arranged in the middle of the water receiving box, the box body 7 is communicated with the water tank 5 through a pipeline, and a second pump body 14 is arranged in the pipeline.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; may be directly connected, may be in communication with the interior of two elements or may be in interaction with two elements. It will be understood by those of ordinary skill in the art that the above terms are in the present application as the case may be.
The above description of the embodiment of the present application provides a dry-type power transformer, and specific examples are applied to describe the principle and implementation of the present application, where the description of the above embodiment is only used to help understand the technical solution and core idea of the present application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (5)
1. The utility model provides a dry-type power transformer, contains box (1), lid (2), first seal assembly (4), second seal assembly (8), forced air cooling subassembly, water-cooling subassembly, wherein:
The air-cooling box comprises a box body (1), a cover body (2), a first sealing component (4) and an air-cooling component, wherein the cover body (2) is arranged above the box body (1), a window for ventilation is formed in the cover body (2), the first sealing component (4) is arranged outside the window, the air-cooling component is arranged inside the box body (1), and the window is an air outlet of the air-cooling component;
an air port (11) is formed in one side of the box body (1), and the second sealing assembly (8) is arranged on the outer side of the air port (11);
the first sealing component (4) and the second sealing component (8) are respectively provided with two opening and closing windows, and the opening and closing windows are opened and closed under the control of electric power;
the water cooling assembly is used for water-cooling the transformer;
the water cooling component can work independently or work in linkage with the air cooling component;
The forced air cooling subassembly has still been furnished with the dust fall subassembly, the dust fall subassembly includes action wheel (29), follow driving wheel (22), fixed axle (16), liquid chamber (17), spray part (13), first rotating assembly, wherein:
the driving wheel (29) is sleeved at the output end of the driving part (28), the fixed shaft (16) is fixedly arranged in the box body (1), the driven wheel (22) is in bearing connection with the fixed shaft (16), the driving wheel (29) is connected with the driven wheel (22) through a belt, the liquid cavity (17) is arranged at the outer side of the fixed shaft (16), water for spraying is arranged in the liquid cavity (17), the extrusion part (23) is arranged at the inner side of the driven wheel (22), the spraying part (13) is arranged at the outer side of the box body (1) and is positioned right above the air port (11), the liquid cavity (17) is communicated with the spraying part (13) through a first rotating assembly, and a second one-way valve assembly is arranged in a communicating pipeline;
The second one-way valve assembly comprises a second sealing body (20) and a second elastic body (21), one end of the second elastic body (21) is fixedly arranged in the communication pipeline, and the other end of the second elastic body (21) is fixedly connected with the second sealing body (20);
The forced air cooling subassembly has still been furnished with hydraulic assembly, hydraulic assembly with dust fall subassembly intercommunication, hydraulic assembly includes second rotating assembly, first check valve subassembly, wherein:
A cavity is formed in the fixed shaft (16), the cavity is communicated with the first pump body (15) through the second rotating assembly, the cavity is communicated with the liquid cavity (17), and the first one-way valve assembly is arranged in the pipeline;
The first one-way valve assembly comprises a first sealing body (19) and a first elastic body (18), one end of the first elastic body (18) is fixedly arranged in the pipeline, and the other end of the first elastic body (18) is fixedly connected with the first sealing body (19);
The forced air cooling subassembly has still been furnished with the response subassembly, the response subassembly includes response chamber (9), third elastomer (24), piston (25), third rotating assembly, wherein:
the induction cavity (9) is fixedly arranged on the outer side of the box body (1) and is positioned on one side of the air port (11), a third elastic body (24) is fixedly arranged in the induction cavity (9), a piston (25) is fixedly arranged at the other end of the third elastic body (24), and the piston (25) is in sliding connection with the induction cavity (9);
The extrusion part (23) is of a hollow structure and internally provided with hydraulic oil, the left side of the induction cavity (9) is provided with hydraulic oil, and the left side of the induction cavity (9) is communicated with the inside of the extrusion part (23) through the third rotating assembly;
The first rotating assembly comprises a first fixed chamber (31) and a first rotating chamber (30), the first fixed chamber (31) is in bearing connection with the first rotating chamber (30), the first fixed chamber (31) is in pipeline connection with the spraying component (13), and the first rotating chamber (30) is in pipeline connection with the liquid chamber (17);
The second rotating assembly comprises a second fixed chamber (26) and a second rotating chamber (27), the second fixed chamber (26) is in bearing connection with the second rotating chamber (27), the second fixed chamber (26) is in pipeline connection with the first pump body (15), and the second rotating chamber (27) is in cavity pipeline connection with the fixed shaft (16);
The third rotating assembly comprises a third fixed chamber (33) and a third rotating chamber (32), the third fixed chamber (33) is in bearing connection with the third rotating chamber (32), the third fixed chamber (33) is in pipeline connection with the induction chamber (9), and the third rotating chamber (32) is in pipeline connection with the extrusion part (23).
2. A dry power transformer according to claim 1, wherein: the water cooling assembly comprises a water tank (5), a cooling pipe (10) and a first pump body (15), wherein:
The water tank (5) is positioned at one side of the tank body (1), water for cooling is arranged in the water tank (5), the cooling pipe (10) is positioned in the tank body (1), the water tank (5) is communicated with the cooling pipe (10) and forms a loop, and the first pump body (15) is arranged in the loop;
the photovoltaic module (3) is arranged on the cover body (2), and the first pump body (15) is electrically connected with the photovoltaic module (3).
3. A dry power transformer according to claim 2, characterized in that: the air cooling assembly comprises a driving component (28) and an exhaust component (12), wherein:
The driving component (28) is located inside the box body (1), the exhaust component (12) is installed at the output end of the driving component (28), the driving component (28) is electrically connected with the photovoltaic module (3), and a temperature sensor is arranged in the box body (1).
4. A dry power transformer according to claim 3, wherein: the inside drying module that is equipped with of box (1), drying module includes fourth elastomer, moisture absorption part, wherein:
the fourth elastic body is fixedly arranged at the bottom of the inner side of the box body (1), the upper end of the fourth elastic body is fixedly provided with a moisture absorption part, and the moisture absorption part is right opposite to the air port (11).
5. A dry power transformer according to claim 4, wherein: the outside recovery subassembly that is equipped with of box (1), recovery subassembly includes water receiving box (6), box body (7), second pump body (14), wherein:
The water receiving box (6) is fixedly arranged on the outer side of the box body (1) and is positioned under the spraying component (13), the box body (7) is positioned on the water receiving box (6), a filter screen is arranged in the middle of the box body, and the box body (7) is communicated with the water tank (5) through a pipeline and is internally provided with a second pump body (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210942847.6A CN115132463B (en) | 2022-08-08 | 2022-08-08 | Dry-type power transformer |
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| CN202210942847.6A CN115132463B (en) | 2022-08-08 | 2022-08-08 | Dry-type power transformer |
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| CN115132463A CN115132463A (en) | 2022-09-30 |
| CN115132463B true CN115132463B (en) | 2024-07-12 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766728A (en) * | 2018-07-21 | 2018-11-06 | 林秀云 | A kind of dry-type transformer convenient for ventilation and heat dedusting |
| CN111883342A (en) * | 2020-08-18 | 2020-11-03 | 江苏鹤都电器有限公司 | Dry-type transformer cooling device with intelligent frequency conversion function |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO329698B1 (en) * | 2009-02-23 | 2010-12-06 | Badger Explorer Asa | Hoyspenttransformator |
| DE102010018632B4 (en) * | 2009-04-24 | 2021-07-22 | Uwe Lüders | Solar powered air collector |
| KR200485512Y1 (en) * | 2016-06-20 | 2018-01-17 | 한동필 | Movable-type dust collector for removing of dust from electric transformer of railway vehicles. |
| CN113963895A (en) * | 2021-09-17 | 2022-01-21 | 戴强兵 | A high-efficient cooling structure of transformer for high temperature protection |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766728A (en) * | 2018-07-21 | 2018-11-06 | 林秀云 | A kind of dry-type transformer convenient for ventilation and heat dedusting |
| CN111883342A (en) * | 2020-08-18 | 2020-11-03 | 江苏鹤都电器有限公司 | Dry-type transformer cooling device with intelligent frequency conversion function |
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| CN115132463A (en) | 2022-09-30 |
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