CN112331453B - Dry-type transformer cooling system - Google Patents
Dry-type transformer cooling system Download PDFInfo
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- CN112331453B CN112331453B CN202110010700.9A CN202110010700A CN112331453B CN 112331453 B CN112331453 B CN 112331453B CN 202110010700 A CN202110010700 A CN 202110010700A CN 112331453 B CN112331453 B CN 112331453B
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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
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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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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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
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
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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
- H01F27/33—Arrangements for noise damping
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- Engineering & Computer Science (AREA)
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- Cooling Or The Like Of Electrical Apparatus (AREA)
- Transformer Cooling (AREA)
Abstract
The invention belongs to the technical field of transformers, and particularly relates to a heat dissipation system of a dry type transformer, aiming at the problems that the temperature difference between the center and the outer side is large due to the low central temperature dissipation speed of the dry type transformer, and the service life of the dry type transformer is influenced due to the poor cooling effect after the blown air flow is long time, the heat dissipation system comprises a base, an outer box body, an inner box body and the dry type transformer, wherein the outer box body and the inner box body are fixedly arranged above the base. According to the invention, a plurality of flowing air flows are formed on the outer surface of the dry-type transformer through the arrangement of the cooling flow channel, the heat dissipation flow channel, the air guide mechanism and the rectangular air groove, the air flowing air curtain is formed through the air flowing, the heat of the transformer is taken away by the flowing of the air curtain, and meanwhile, the vibration sound wave generated by the flowing of the air curtain offsets the sound waves such as low-frequency noise generated by the working of the transformer, so that a good noise reduction effect is achieved for the use of the dry-type transformer.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a heat dissipation system of a dry type transformer.
Background
The dry transformer is widely used in places such as local lighting, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and is simply a transformer with an iron core and windings which are not immersed in insulating oil, the dry transformer mainly comprises the iron core consisting of silicon steel sheets and coils poured by epoxy resin, an insulating cylinder is arranged between high-voltage coils and low-voltage coils to increase electrical insulation, the coils are supported and restrained by cushion blocks, and fasteners lapped by parts of the dry transformer have anti-loosening performance.
Dry-type transformer mainly relies on the multiunit fan that is located the bottom to blast air, and cold wind is from up blowing down, and dry-type transformer's winding resistance generally adopts multilayer drum formula or multilayer sectional type structure, and during this kind of cooling mode cooling, dry-type transformer's central temperature distributes speed slowly, leads to the difference in temperature between center and the outside big, and secondly, after the air current of blowing is long-time, the cooling effect is poor, influences dry-type transformer's life.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a dry-type transformer heat dissipation system.
The invention provides a dry-type transformer heat dissipation system, which comprises a base, an outer box body, an inner box body and a dry-type transformer, wherein the outer box body and the inner box body are both fixedly arranged above the base, the inner box body is positioned in the outer box body, a plurality of air exhaust grooves are arranged on both sides of the outer box body, and the same end of the outer box body and the inner box body is movably connected with two box doors, a heat insulation plate is arranged between the outer box body and the inner box body, and both sides of the heat insulation plate are respectively provided with a cooling flow passage and a heat dissipation flow passage, the middle of the top of the base is fixedly provided with a movable seat, and the top end of the movable seat is provided with a threaded pipe mechanism through a bearing, both ends of the threaded pipe mechanism are provided with symmetrically distributed threads, a plurality of support frames are screwed at both ends of the outer side of the threaded pipe mechanism, and the dry-type transformer is stably connected with the movable seat through the support frames and the threaded pipe mechanism;
the utility model discloses a heat exchanger, including interior box, heat insulating board, air exhaust mechanism, fixed mounting have two splitter plates with heat insulating board end seal connection between the both ends inner wall of interior box, the fixed surface of heat insulating board installs a plurality of refrigeration components, a plurality of rectangular channels have all been seted up to the both sides inner wall of interior box, and the inside sliding connection of rectangular channel has air guide mechanism, air guide mechanism's end fixed mounting has two pull rods, and the other end and the heat insulating board of pull rod are connected firmly.
Preferably, the refrigeration component comprises a heat insulation frame, a semiconductor refrigeration sheet is embedded in the heat insulation frame, and a heat end and a cold end of the semiconductor refrigeration sheet are respectively and fixedly provided with a heat dissipation fin plate and a cold guide fin plate.
Preferably, the heat dissipation fin plate and the cold guide fin plate are both arc-shaped structures, and the heat dissipation fin plate and the cold guide fin plate are distributed between the air exhaust groove and the rectangular groove.
Preferably, the air guide mechanism comprises an air guide shell, a groove portion with an arc-shaped structure is arranged at the end portion of the air guide shell, inclined air ports with opposite directions are arranged on two sides inside the groove portion, and injection grooves are arranged on two sides of the end portion of the air guide shell.
Preferably, the other end of the air guide shell is fixedly provided with a magnetic attraction plate with a rectangular frame structure, and the magnetic attraction plate is magnetically attracted and connected with the outer wall of the inner box body.
Preferably, the exhaust mechanism comprises a rectangular air box connected between the outer box body and the inner box body, a plurality of groups of fans are fixedly mounted at the top end of the rectangular air box, two ends of the rectangular air box extend to the outside of the outer box body, and a plurality of compensation air holes are formed in the surfaces of two ends of the rectangular air box.
Preferably, the support frame includes the rectangular pipe, and the side of rectangular pipe is provided with the thread groove, and the gag lever post has all been welded to the top both sides of rectangular pipe, and the side fixed mounting of gag lever post has the blotter, and the inside of rectangular pipe is provided with the ventilation groove, and the middle part of gag lever post is provided with the rectangle wind groove that is linked together with the ventilation groove.
Preferably, the screwed pipe mechanism includes the gim peg, and the both ends of gim peg all weld external screw thread pipe, and the outside of external screw thread pipe is provided with a plurality of through-hole grooves, and the both sides inner wall bottom of interior box is rotated and is installed the connecting air pipe with external screw thread pipe end looks spiro union.
Compared with the prior art, the invention provides a dry-type transformer heat dissipation system, which has the following beneficial effects:
on the outer side surface of the dry-type transformer, through the arrangement of the cooling runner, the heat dissipation runner, the air guide mechanism and the rectangular air groove, a plurality of flowing air flows are formed on the outer surface of the dry-type transformer, an air flowing air curtain is formed through air flowing, the heat of the transformer is taken away through the flowing of the air curtain, meanwhile, vibration sound waves generated by the flowing of the air curtain counteract sound waves such as low-frequency noise generated by the working of the transformer, and a good noise reduction effect is achieved for the use of the dry-type transformer.
The plurality of supporting frames are inserted between the dry-type transformer and the movable seat, the supporting frames at two sides are pushed towards the middle part by rotating the threaded pipe mechanism to finish the overhanging fixation of the dry-type transformer, the dry-type transformer has good shock absorption and noise reduction effects when in work, secondly, a cooling runner and a radiating runner are arranged between the outer box body and the inner box body through a heat insulation plate, a cold flow generated by a refrigerating component is utilized to wrap the inner box body when in radiating work, an air exhaust mechanism for air flow is arranged at the top end of the inner box body, hot air in the inner box body is pumped out and simultaneously guided into the cooling runner and the radiating runner through a splitter plate to take away heat generated by the refrigerating component, and the cold flow generated by the refrigerating component is guided by an air guide mechanism to blow the cold flow to the winding surface of the dry-type transformer to effectively cool the winding surface of the dry-type transformer, secondly, cold air is blown to the surface of the winding resistance, so that the surface temperature of the winding resistance is reduced, heat accumulation is avoided, the heat dissipation effect of the central temperature of the winding resistance is improved, and the service life of the dry-type transformer is prolonged.
The heat dissipation fin plate and the cold guide fin plate are of arc structures, contact area between the heat dissipation fin plate and the cold guide fin plate is increased, the air blowing air flow is guided, heat exchange efficiency is improved, secondly, the heat dissipation fin plate and the cold guide fin plate are located between the air exhaust groove and the rectangular groove, influence on cold and hot air flow in the cooling flow channel and the heat dissipation flow channel is reduced, and cooling efficiency of the inner space of the inner box body is improved.
The wind-guiding shell tip sets up the concave part of arc structure, and the winding outer wall surface of laminating transformer when cold air flows, and the injection of the reposition of redundant personnel segmentation through wind-guiding mechanism is at dry-type transformer winding surface, and when jetting through the slope wind gap, produces multichannel dispersed air current for winding surface cold air flows, and improves the diffusion scope of cold air, improves the cooling efficiency to winding surface.
The fan among the exhaust mechanism carries out inside and outside circulation with the air in the interior box, and utilizes the cold air of part circulation to accelerate the radiating effect to refrigeration assembly, prolongs refrigeration assembly's life, secondly, extracts the outside air through the compensation wind hole and compensates for air cycle speed.
After the support frame is installed, the through-hole groove is located the inside in ventilation groove, and then introduces the inside cold air of cooling runner inside the ventilation groove, blows to transformer winding surface from bottom to top through rectangle wind groove, reaches effectual cooling effect, and the setting of cooperation wind guiding mechanism, the effectual cooling blind area of avoiding dry-type transformer surface further improves transformer cooling efficiency.
Drawings
Fig. 1 is a schematic cross-sectional view of a heat dissipation system of a dry-type transformer according to the present invention;
fig. 2 is a schematic structural diagram of a refrigeration assembly of a heat dissipation system of a dry-type transformer according to the present invention;
fig. 3 is a schematic structural diagram of an air exhaust mechanism of a heat dissipation system of a dry-type transformer according to the present invention;
fig. 4 is a schematic structural diagram of a threaded pipe mechanism of a heat dissipation system of a dry-type transformer according to the present invention;
fig. 5 is a schematic view of a support frame structure of a dry-type transformer heat dissipation system according to the present invention;
fig. 6 is a schematic structural view of an air guiding mechanism of a heat dissipation system of a dry-type transformer according to the present invention.
In the figure: the refrigeration system comprises a base 1, a refrigeration component 2, a 201 heat insulation frame, a 202 semiconductor refrigeration piece, a 203 cold guide fin plate, a 204 heat dissipation fin plate, a 3 pull rod, a 4 air guide mechanism, a 401 air guide shell, a 402 magnetic suction plate, a 403 groove portion, a 404 inclined air port, a 405 jet groove, a 5 heat insulation plate, a 6 flow distribution plate, a 7 exhaust mechanism, a 701 rectangular air bellow, a 702 fan, 703 compensation air holes, an 8 inner box body, a 9 outer box body, a 10 heat dissipation flow channel, a 11 cooling flow channel, a 12 exhaust air groove, a 13 connecting air pipe, a 14 supporting frame, a 1401 rectangular pipe, a 1402 limiting rod, a buffer cushion, a 1404 thread groove, a 1405 ventilation groove, a 1406 rectangular air groove, a 15 transformer, a 16 thread pipe mechanism, a 1601 fixing bolt, a 1602 external thread pipe, a 1603 through hole groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, a heat dissipation system for a dry-type transformer includes a base 1, an outer box 9, an inner box 8, and a dry-type transformer 15, wherein the outer box 9 and the inner box 8 are both fixedly installed above the base 1, the inner box body 8 is positioned inside the outer box body 9, a plurality of air exhaust grooves 12 are arranged on both sides of the outer box body 9, two box doors are movably connected at the same end of the outer box body 9 and the inner box body 8, a heat insulation board 5 is arranged between the outer box body 9 and the inner box body 8, and the two sides of the heat insulation board 5 are respectively provided with a cooling runner 11 and a heat dissipation runner 10, the middle of the top of the base 1 is fixedly provided with a movable seat 17, and the top end of the movable seat 17 is provided with a threaded pipe mechanism 16 through a bearing, both ends of the threaded pipe mechanism 16 are provided with symmetrically distributed threads, both ends of the outer side of the threaded pipe mechanism 16 are respectively screwed with a plurality of support frames 14, the dry-type transformer 15 is firmly connected with the movable seat 17 through the support frame 14 and the threaded pipe mechanism 16;
an air exhaust mechanism 7 is fixedly installed at the top end inside the inner box body 8, two splitter plates 6 which are hermetically connected with the end parts of the heat insulation plates 5 are fixedly installed between the inner walls at the two ends of the outer box body 9, a plurality of refrigerating components 2 are fixedly installed on the surface of the heat insulation plates 5, a plurality of rectangular grooves are respectively formed in the inner walls at the two sides of the inner box body 8, an air guide mechanism 4 is slidably connected inside each rectangular groove, two pull rods 3 are fixedly installed at the end parts of the air guide mechanism 4, the other ends of the pull rods 3 are stably connected with the heat insulation plates 5, a plurality of support frames 14 are inserted between the dry-type transformer 15 and the movable seat 17, the support frames 14 at the two sides are pushed towards the middle part by rotating the threaded pipe mechanism 16, the overhanging fixation of the dry-type transformer 15 is completed, good damping and noise reduction effects are achieved when the dry-type transformer 15 works, utilize refrigeration component 2 to produce cold flow parcel interior box 8 at the heat dissipation during operation, install exhaust mechanism 7 that is used for the air flow at the top of interior box 8, take away the inside hot-air of interior box 8 and pass through flow distribution plate 6 simultaneously with its leading-in cooling runner 11 and heat dissipation runner 10, take away the heat that refrigeration component 2 produced, and pass through the guide of wind-guiding mechanism 4 with the cold flow that refrigeration component 2 produced, make it blow to the winding surface of dry-type transformer 15, carry out effectual cooling to it, secondly, utilize the cold air drum to blow winding surface, reduce its surface temperature and avoid the heat to pile up, improve the radiating effect of its central temperature.
In the invention, the refrigeration component 2 comprises a heat insulation frame 201, a semiconductor refrigeration sheet 202 is embedded in the heat insulation frame 201, a heat end and a cold end of the semiconductor refrigeration sheet 202 are respectively and fixedly provided with a heat dissipation fin plate 204 and a cold guide fin plate 203, the refrigeration component 2 generates cold air in the cooling flow channel 11 under the action of the semiconductor refrigeration sheet 202, so as to reduce the internal temperature of the inner box body 8 and achieve a good cooling effect, and heat generated by the work of the semiconductor refrigeration sheet 202 is blown to the outside through the blowing of the heat dissipation flow channel 10.
In the present invention, the heat dissipating fins 204 and the cold guiding fins 203 are both arc-shaped structures, and the heat dissipating fins 204 and the cold guiding fins 203 are distributed between the air exhaust groove 12 and the rectangular groove, and the heat dissipating fins 204 and the cold guiding fins 203 are arc-shaped structures, so that the contact area between the heat dissipating fins 204 and the air flow is increased, the heat exchange efficiency is improved while the air flow is guided, and secondly, the heat dissipating fins 204 and the cold guiding fins 203 are located between the air exhaust groove 12 and the rectangular groove, so as to reduce the influence on the cold and hot air flows in the cooling flow passage 11 and the heat dissipating flow passage 10, and improve the cooling efficiency of the inner space of the inner box 8.
In the invention, the air guide mechanism 4 comprises an air guide shell 401, the end part of the air guide shell 401 is provided with a groove part 403 with an arc structure, two sides inside the groove part 403 are provided with inclined air ports 404 with opposite directions, two sides of the end part of the air guide shell 401 are both provided with an injection groove 405, the end part of the air guide shell 401 is provided with the groove part 403 with the arc structure, the groove part is attached to the winding outer wall surface of the transformer, when cold air flows, the split-flow segmented injection of the air guide mechanism 4 is carried out on the winding surface of the dry-type transformer 15, and when the air is injected through the inclined air ports 404, a plurality of dispersed air flows are generated, the cold air flow on the winding surface is accelerated, the diffusion.
In the invention, the other end of the air guide shell 401 is fixedly provided with the magnetic attraction plate 402 with a rectangular frame structure, the magnetic attraction plate 402 is magnetically connected with the outer wall of the inner box body 8, the air guide mechanism 4 in the device is fixedly connected with the heat insulation plate 5 through the pull rod 3, when the dry-type transformer 15 is installed, the air guide shell 401 is pushed to separate the magnetic attraction plate 402 from the inner box body 8, the heat insulation plate 5 is pushed backwards to push the air guide mechanism 4 between the outer box body 9 and the inner box body 8, the disassembly and assembly work of the dry-type transformer 15 can be facilitated, and the convenience of maintenance is improved.
In the invention, the exhaust mechanism 7 comprises a rectangular air box 701 connected between an outer box body 9 and an inner box body 8, a plurality of groups of fans 702 are fixedly installed at the top end of the rectangular air box 701, two ends of the rectangular air box 701 extend to the outside of the outer box body 9, a plurality of compensation air holes 703 are formed in the surfaces of two ends of the rectangular air box 701, the fans 702 in the exhaust mechanism 7 carry out internal and external circulation on air in the inner box body 8, the heat dissipation effect on the refrigeration assembly 2 is accelerated by utilizing part of circulating cold air, the service life of the refrigeration assembly 2 is prolonged, secondly, outside air is extracted through the compensation air holes 703 for compensation, and the air circulation speed is accelerated.
In the invention, the support frame 14 comprises a rectangular pipe 1401, a thread groove 1404 is formed in the side surface of the rectangular pipe 1401, limiting rods 1402 are welded on two sides of the top end of the rectangular pipe 1401, cushion pads 1403 are fixedly installed on the side surface of the limiting rods 1402, a ventilation groove 1405 is formed in the rectangular pipe 1401, a rectangular wind groove 1406 communicated with the ventilation groove 1405 is formed in the middle of the limiting rods 1402, and when the offset 14 is installed, the cushion pads 1403 with elasticity are inserted into gaps of the I-shaped steel clamping pieces of the transformer, so that the dry-type transformer 15 is fixed.
In the invention, the screw pipe mechanism 16 comprises a fixing bolt 1601, and both ends of the fixing bolt 1601 are welded with an external screw pipe 1602, the outer side of the external screw pipe 1602 is provided with a plurality of through-hole slots 1603, the bottom of the inner wall of both sides of the inner box 8 is rotatably provided with a connecting air pipe 13 screwed with the end of the external screw pipe 1602, after the support frame 14 is installed, the through-hole slots 1603 are positioned inside the ventilation slot 1405, so that the cold air inside the cooling runner 11 is introduced into the ventilation slot 1405, and is blown to the winding surface of the transformer from the bottom to the top through the rectangular air slot 1406, so as to achieve effective cooling effect, and the arrangement of the air guide mechanism 4 is matched, so as to effectively avoid the cooling blind area on the surface of the dry-type transformer 15, further improve the cooling efficiency of the transformer, secondly, on the outer side surface of the dry-type transformer 15, through the arrangement of the cooling runner 11, the heat dissipation runner 10, the, the air flow air curtain is formed through air flow, the heat of the transformer is taken away through the flow of the air curtain, and meanwhile vibration sound waves generated by the flow of the air curtain counteract sound waves such as low-frequency noise generated by the operation of the transformer, so that a good noise reduction effect is achieved for the use of the dry-type transformer 15.
The working principle is as follows: when a dry type transformer 15 in the system is installed, a movable seat 17 is separated from a base 1, a plurality of support frames 14 are inserted between the dry type transformer 15 and the movable seat 17, a screwed pipe mechanism 16 is rotated to push the support frames 14 at two sides to the middle part, the suspension and fixation of the dry type transformer 15 are completed, good shock absorption and noise reduction effects are achieved when the dry type transformer 15 works, secondly, a cooling runner 11 and a radiating runner 10 are arranged between an outer box body 9 and an inner box body 8 through a heat insulation plate 5, the inner box body 8 is wrapped by cold flow generated by a refrigerating assembly 2 when the radiating works, an exhaust mechanism 7 for air flow is installed at the top end of the inner box body 8, hot air in the inner box body 8 is pumped out and guided into the cooling runner 11 and the radiating runner 10 through a flow distribution plate 6 to take away heat generated by the refrigerating assembly 2, and the cold flow generated by the refrigerating assembly 2 is guided through an air guide mechanism 4, make it blow to the winding surface of dry-type transformer 15, carry out effectual cooling to it, and then improve dry-type transformer 15's radiating effect, secondly, utilize cold air drum to blow winding surface, reduce its surface temperature and avoid the heat to pile up, improve the radiating effect of its central temperature.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A dry-type transformer heat dissipation system comprises a base (1), an outer box body (9), an inner box body (8) and a dry-type transformer (15), wherein the outer box body (9) and the inner box body (8) are fixedly arranged above the base (1), the inner box body (8) is positioned inside the outer box body (9), a plurality of exhaust grooves (12) are formed in two sides of the outer box body (9), two box doors are movably connected to the same end of the outer box body (9) and the same end of the inner box body (8), the dry-type transformer heat dissipation system is characterized in that a heat insulation plate (5) is arranged between the outer box body (9) and the inner box body (8), a cooling flow passage (11) and a heat dissipation flow passage (10) are respectively arranged on two sides of the heat insulation plate (5), a movable seat (17) is fixedly arranged in the middle of the top of the base (1), and a threaded pipe mechanism (16) is arranged, the two ends of the threaded pipe mechanism (16) are provided with symmetrically distributed threads, the two ends of the outer side of the threaded pipe mechanism (16) are respectively screwed with a plurality of support frames (14), and the dry-type transformer (15) is stably connected with the movable seat (17) through the support frames (14) and the threaded pipe mechanism (16);
the supporting frame (14) comprises a rectangular pipe (1401), a thread groove (1404) is formed in the side face of the rectangular pipe (1401), limiting rods (1402) are welded to two sides of the top end of the rectangular pipe (1401), cushion pads (1403) are fixedly installed on the side face of each limiting rod (1402), a ventilating groove (1405) is formed in the rectangular pipe (1401), and a rectangular wind groove (1406) communicated with the ventilating groove (1405) is formed in the middle of each limiting rod (1402);
an air exhaust mechanism (7) is fixedly mounted at the top end inside the inner box body (8), two splitter plates (6) which are connected with the end portions of the heat insulation plates (5) in a sealing mode are fixedly mounted between the inner walls of the two ends of the outer box body (9), a plurality of refrigerating assemblies (2) are fixedly mounted on the surface of each heat insulation plate (5), a plurality of rectangular grooves are formed in the inner walls of the two sides of the inner box body (8), an air guide mechanism (4) is connected inside each rectangular groove in a sliding mode, two pull rods (3) are fixedly mounted at the end portions of the air guide mechanism (4), and the other ends of the pull rods (3) are stably connected with the heat insulation plates (;
the wind guide mechanism (4) comprises a wind guide shell (401), the end portion of the wind guide shell (401) is provided with a groove portion (403) of an arc-shaped structure, two sides of the inside of the groove portion (403) are provided with inclined air ports (404) with opposite directions, two sides of the end portion of the wind guide shell (401) are provided with jet grooves (405), the other end of the wind guide shell (401) is fixedly provided with a magnetic suction plate (402) of a rectangular frame structure, and the magnetic suction plate (402) is connected with the outer wall of the inner box body (8) in a magnetic suction mode.
2. The dry-type transformer heat dissipation system as recited in claim 1, wherein the refrigeration assembly (2) comprises a heat insulation frame (201), a semiconductor refrigeration sheet (202) is embedded inside the heat insulation frame (201), and a heat dissipation fin (204) and a cold conduction fin (203) are fixedly installed at a hot end and a cold end of the semiconductor refrigeration sheet (202), respectively.
3. The dry-type transformer heat dissipation system as recited in claim 2, wherein the heat dissipation fins (204) and the cold conduction fins (203) are both arc-shaped structures, and the heat dissipation fins (204) and the cold conduction fins (203) are distributed between the exhaust duct (12) and the rectangular duct.
4. The heat dissipation system of a dry-type transformer as recited in claim 1, wherein the air exhaust mechanism (7) comprises a rectangular air box (701) connected between the outer box (9) and the inner box (8), and a plurality of sets of fans (702) are fixedly mounted on the top end of the rectangular air box (701), both ends of the rectangular air box (701) extend to the outside of the outer box (9), and both end surfaces of the rectangular air box (701) are provided with a plurality of compensation air holes (703).
5. The dry-type transformer cooling system as claimed in claim 1, wherein the threaded pipe mechanism (16) comprises a fixing bolt (1601), external threaded pipes (1602) are welded to both ends of the fixing bolt (1601), a plurality of through-hole slots (1603) are formed in the outer sides of the external threaded pipes (1602), and connecting air pipes (13) screwed with the ends of the external threaded pipes (1602) are rotatably mounted at the bottoms of the inner walls of both sides of the inner box (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010700.9A CN112331453B (en) | 2021-01-06 | 2021-01-06 | Dry-type transformer cooling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010700.9A CN112331453B (en) | 2021-01-06 | 2021-01-06 | Dry-type transformer cooling system |
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| CN112331453A CN112331453A (en) | 2021-02-05 |
| CN112331453B true CN112331453B (en) | 2021-05-18 |
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| CN113077965B (en) * | 2021-03-24 | 2023-01-13 | 广州市智馨电气有限公司 | Resin insulation dry-type transformer |
| CN114566365B (en) * | 2022-02-28 | 2023-05-09 | 长沙航特电子科技有限公司 | Power transformer with overheat protection function |
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| CN107808739B (en) * | 2017-12-04 | 2018-11-27 | 南京博路电气有限公司 | A kind of transformer protective housing with high-efficient radiating function |
| CN208797580U (en) * | 2018-10-25 | 2019-04-26 | 朝阳电力勘测设计院有限公司 | A kind of arc suppression coil convenient for heat dissipation |
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Denomination of invention: A cooling system for dry-type transformer Effective date of registration: 20221013 Granted publication date: 20210518 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Wenzhou Yueqing Hongqiao small and micro enterprise franchise sub branch Pledgor: Faraday Electric Co.,Ltd. Registration number: Y2022330002557 |
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