CN109166694B - Integrally cast epoxy resin mutual inductor - Google Patents
Integrally cast epoxy resin mutual inductor Download PDFInfo
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- CN109166694B CN109166694B CN201811026430.5A CN201811026430A CN109166694B CN 109166694 B CN109166694 B CN 109166694B CN 201811026430 A CN201811026430 A CN 201811026430A CN 109166694 B CN109166694 B CN 109166694B
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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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
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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
- H01F27/02—Casings
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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
- H01F27/02—Casings
- H01F27/022—Encapsulation
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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
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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
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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
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The invention relates to the technical field of accessory devices of transformers, in particular to an integrally cast epoxy resin transformer which can effectively protect a coil when a large current breaks down the transformer; moreover, the explosion of the shell after aging can be effectively prevented, and the potential safety hazard is reduced; meanwhile, the heat dissipation effect is improved, so that the coil is in a proper temperature environment, the service life of the coil is guaranteed, the precision of voltage or current regulation is improved, and later maintenance is facilitated; the coil winding device comprises a shell, wherein a working cavity is arranged in the shell, a coil is arranged in the working cavity, and wiring terminals are arranged at the top end and the bottom end of the shell; the outside of coil is provided with the insulating layer, and the casing is the epoxy material to casing and coil adopt casting integrated into one piece, still include multiunit absorber plate, heat conduction copper pipe, heat dissipation case, multiunit connecting rod, heating panel, grid plate, micro-fan, connecting plate, left mounting panel, right mounting panel, left fixed plate, right fixed plate, connecting rod and four set of fixation nut.
Description
Technical Field
The invention relates to the technical field of accessory devices of transformers, in particular to an integrally cast epoxy resin transformer.
Background
As is known, a transformer, also called an instrument transformer, is a general name of a current transformer and a voltage transformer, can convert high voltage into low voltage and large current into small current, and is used for measuring or protecting a system, and the function of the transformer is mainly to convert the high voltage or the large current into standard low voltage (100V) or standard small current (5A or 1A, both of which refer to rated values) in proportion so as to realize standardization and miniaturization of a measuring instrument, a protecting device and an automatic control device, and the transformer can be used for isolating the high voltage system to ensure the safety of human bodies and devices, and is widely used in the fields of power supply systems and power utilization systems; the existing mutual inductor comprises a shell, a working cavity is arranged in the shell, a coil is arranged in the working cavity, and a wiring terminal is arranged at the top end of the shell; when the existing mutual inductor is used, the mutual inductor is connected into a circuit through a wiring terminal, and the voltage or current in the circuit can be adjusted through the mutual inductor; the existing mutual inductor is found in use, when a large current breaks down the mutual inductor, the coil is easily damaged, and the service life of the mutual inductor is shortened; the shell covers the outer side of the coil, and the shell is easy to explode after aging, so that the coil is damaged together, and certain potential safety hazard exists; meanwhile, the heat dissipation effect is poor, heat in the working cavity is not easy to dissipate, and the coil is easily damaged when being in a high-temperature state for a long time, so that the accuracy of voltage or current regulation is influenced, and the use reliability is low; and it is generally through bolt and quick-witted case rack fixed connection, inconvenient follow-up maintenance.
Disclosure of Invention
In order to solve the technical problems, the invention provides a transformer which can effectively protect a coil when a large current breaks down a transformer, and ensures the service life of the coil; the shell and the mutual inductor are integrally cast, so that the explosion condition after the shell is aged is effectively prevented, and the potential safety hazard is reduced; meanwhile, the heat dissipation effect is improved, so that the coil is in a proper temperature environment, the service life of the coil is guaranteed, the precision of voltage or current regulation is improved, and the use reliability is improved; and conveniently carry out the angle to its whole and adjust, make things convenient for the integrative casting epoxy mutual-inductor of follow-up maintenance.
The integrally poured epoxy resin mutual inductor comprises a shell, wherein a working cavity is arranged inside the shell, a coil is arranged in the working cavity, and a wiring terminal is arranged at the top end of the shell; an insulating layer is arranged on the outer side of the coil and is tightly combined with the coil, the shell is made of epoxy resin, and the shell and the coil are integrally molded by casting; also comprises a plurality of groups of heat absorbing plates, a heat conducting copper pipe and a heat dissipation box, wherein the plurality of groups of heat absorbing plates are all positioned in the working cavity, and the multiple groups of heat absorbing plates are all positioned at the inner side of the coil, the bottom end of the heat conducting copper pipe extends into the working cavity from the top end of the shell, the heat absorption plates are uniformly arranged on the outer side of the heat conduction copper pipe, a placing cavity is arranged in the heat dissipation box, the placing cavity is filled with cooling liquid, the bottom of the placing cavity is provided with a plurality of groups of connecting rods and heat dissipation plates, the bottom ends of the plurality of groups of connecting rods are all connected with the inner bottom wall of the placing cavity, the top ends of the plurality of groups of connecting rods are all connected with the bottom end of the heat dissipation plate, the top end of the heat conduction copper pipe extends into the placing cavity from the bottom end of the heat dissipation box and is connected with the bottom end of the heat dissipation plate, the top end of the heat dissipation box is provided with heat dissipation holes, a grid plate is arranged at the heat dissipation port, a micro fan is arranged at the bottom end of the grid plate, and the output end of the micro fan is vertically upward; the connecting rod comprises a connecting plate, a left mounting plate, a right mounting plate, a left fixing plate, a right fixing plate, a connecting rod and four groups of fixing nuts, wherein the left mounting plate and the right mounting plate are respectively arranged at the bottom of the left end and the bottom of the right mounting plate of the shell, the bottoms of the left fixing plate and the right fixing plate are respectively connected with the left side and the right side of the top end of the connecting plate, slots are respectively arranged at the top ends of the left fixing plate and the right fixing plate, the bottom ends of the left mounting plate and the right mounting plate are respectively inserted into the two groups of slots from the top ends of the left fixing plate and the right fixing plate, first fixing through holes are respectively arranged on the left fixing plate and the right fixing plate, second fixing through holes are respectively arranged on the left mounting plate and the right mounting plate, the right end of the connecting rod passes through the two groups of the first fixing, the four groups of fixing nuts are all sleeved on the connecting rod and are in threaded connection with the connecting rod, two groups of fixing nuts are respectively attached to two sides of the left fixing plate, and the other two groups of fixing nuts are respectively attached to two sides of the right fixing plate.
The integrally poured epoxy resin transformer further comprises a mounting plate, four groups of threaded rods and four groups of threaded pipes, wherein the mounting plate is mounted on one side of the top end of the shell, mounting grooves are formed in the left front side, the right front side, the left rear side and the right rear side of the top end of the mounting plate, ball bearings are fixedly mounted in the four groups of mounting grooves, the bottom ends of the four groups of threaded pipes are respectively inserted into the four groups of ball bearings from the top end of the mounting plate, the top ends of the four groups of threaded rods are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the heat dissipation box, and the bottom ends of the four groups of threaded rods are respectively inserted into and.
According to the integrally cast epoxy resin mutual inductor, the shell is made of epoxy resin raw materials, and a proper amount of aluminum hydroxide and benzyl alcohol are added into the raw materials.
According to the integrally cast epoxy resin mutual inductor, the multiple groups of heat absorption plates are all made of copper materials, and the multiple groups of heat absorption plates are all in a wave shape.
According to the integrally cast epoxy resin mutual inductor, the insulating rubber tube wraps the outer side of the heat conduction copper tube, and two ends of the insulating rubber tube are respectively connected with the bottom end of the heat dissipation box and the top end of the shell.
According to the integrally poured epoxy resin mutual inductor, the heat dissipation plate is made of copper materials and is wavy.
According to the integrally cast epoxy resin mutual inductor, the heat dissipation box and the insulating layer are made of epoxy resin materials, and the insulating layer and the shell are integrally formed.
According to the integrally cast epoxy resin mutual inductor, the bottom of the left end of the heat dissipation box is provided with the liquid discharge pipe, and the liquid discharge valve is arranged at the liquid discharge pipe.
Compared with the prior art, the invention has the beneficial effects that: the insulating layer is tightly attached to the coil, and when a large current breaks down the transformer, partial current can be shared through the insulating layer, so that the coil is effectively protected, and the service life of the coil is ensured; the shell and the mutual inductor are integrally cast, so that the explosion condition after the shell is aged is effectively prevented, and the potential safety hazard is reduced; the heat in the working cavity is absorbed by the plurality of groups of heat absorbing plates, the heat absorbing plates transmit the heat to the heat conducting copper pipe, the heat conducting copper pipe transmits the heat to the heat radiating plate through heat transfer, the heat on the heat radiating plate is absorbed by the cooling liquid, the cooling liquid is radiated by the micro fan, the cooling liquid has larger specific heat capacity, the heat radiating effect is improved, the coil is in a proper temperature environment, the service life of the coil is ensured, the precision of voltage or current regulation is improved, and the use reliability is improved; through loosening four sets of fixation nuts soon, under the coolant liquid exhaust's with the heat dissipation incasement condition, through the connecting rod with the certain angle of casing rotatory slope, the convenience carries out the maintenance in later stage to it.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention at a position A with a partially enlarged structure;
FIG. 3 is a schematic diagram of a top view of the connection between the absorber plate and the heat conducting copper tube according to the present invention;
FIG. 4 is a schematic view of the mounting structure of the present invention;
in the drawings, the reference numbers: 1. a housing; 2. a coil; 3. a wiring terminal; 5. a heat absorbing plate; 6. a heat conducting copper pipe; 7. a heat dissipation box; 8. cooling liquid; 9. a connecting rod; 10. a heat dissipation plate; 11. a grid plate; 12. a micro fan; 13. mounting a plate; 14. a threaded rod; 15. a threaded pipe; 16. a ball bearing; 17. an insulating rubber tube; 21. a liquid discharge pipe; 22. a connecting plate; 23. a left mounting plate; 24. a right mounting plate; 25. a left fixing plate; 26. a right fixing plate; 27. a connecting rod; 28. and (5) fixing the nut.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, the integrally poured epoxy resin transformer of the invention comprises a shell 1, a working cavity is arranged in the shell, a coil 2 is arranged in the working cavity, and a connecting terminal 3 is arranged at the top end of the shell; an insulating layer is arranged on the outer side of the coil and is tightly combined with the coil, the shell is made of epoxy resin, and the shell and the coil are integrally molded by casting; also comprises a plurality of groups of heat absorbing plates 5, heat conducting copper pipes 6 and a heat dissipation box 7, wherein the plurality of groups of heat absorbing plates are all positioned in the working cavity, and a plurality of groups of heat absorbing plates are all positioned at the inner side of the coil, the bottom end of the heat conducting copper pipe extends into the working cavity from the top end of the shell, the plurality of groups of heat absorbing plates are uniformly arranged at the outer side of the heat conducting copper pipe, a placing cavity is arranged inside the heat radiating box, cooling liquid 8 is filled in the placing cavity, a plurality of groups of connecting rods 9 and a heat radiating plate 10 are arranged at the bottom of the placing cavity, the bottom ends of the plurality of groups of connecting rods are all connected with the inner bottom wall of the placing cavity, the top ends of the plurality of groups of connecting rods are all connected with the bottom end of the heat radiating plate, the top end of the heat conducting, a grid plate 11 is arranged at the position of the heat dissipation opening, a micro fan 12 is arranged at the bottom end of the grid plate, and the output end of the micro fan is vertically upward; the connecting plate is characterized by further comprising a connecting plate 22, a left mounting plate 23, a right mounting plate 24, a left fixing plate 25, a right fixing plate 26, connecting rods 27 and four groups of fixing nuts 28, wherein the left mounting plate and the right mounting plate are respectively mounted at the bottom of the left end and the bottom of the right end of the shell, the bottom ends of the left fixing plate and the right fixing plate are respectively connected with the left side and the right side of the top end of the connecting plate, slots are respectively arranged at the top ends of the left fixing plate and the right fixing plate, the bottom ends of the left mounting plate and the right mounting plate are respectively inserted into the two groups of slots from the top ends of the left fixing plate and the right fixing plate, first fixing through holes are respectively arranged on the left fixing plate and the right fixing plate, second fixing through holes are respectively arranged on the left mounting plate and the right mounting plate, the right end of each connecting rod, four groups of fixing nuts are sleeved on the connecting rod and are in threaded connection with the connecting rod, wherein two groups of fixing nuts are respectively attached to two sides of the left fixing plate, and the other two groups of fixing nuts are respectively attached to two sides of the right fixing plate; the insulating layer is tightly attached to the coil, and when a large current breaks down the transformer, partial current can be shared through the insulating layer, so that the coil is effectively protected, and the service life of the coil is ensured; the shell and the mutual inductor are integrally cast, so that the explosion condition after the shell is aged is effectively prevented, and the potential safety hazard is reduced; the heat in the working cavity is absorbed by the plurality of groups of heat absorbing plates, the heat absorbing plates transmit the heat to the heat conducting copper pipe, the heat conducting copper pipe transmits the heat to the heat radiating plate through heat transfer, the heat on the heat radiating plate is absorbed by the cooling liquid, the cooling liquid is radiated by the micro fan, the cooling liquid has larger specific heat capacity, the heat radiating effect is improved, the coil is in a proper temperature environment, the service life of the coil is ensured, the precision of voltage or current regulation is improved, and the use reliability is improved; through loosening four sets of fixation nuts soon, under the coolant liquid exhaust's with the heat dissipation incasement condition, through the connecting rod with the certain angle of casing rotatory slope, the convenience carries out the maintenance in later stage to it.
The integrally poured epoxy resin transformer also comprises a mounting plate 13, four groups of threaded rods 14 and four groups of threaded pipes 15, wherein the mounting plate is mounted on one side of the top end of the shell, mounting grooves are formed in the left front side, the right front side, the left rear side and the right rear side of the top end of the mounting plate, ball bearings 16 are fixedly mounted in the four groups of mounting grooves, the bottom ends of the four groups of threaded pipes are respectively inserted into the four groups of ball bearings from the top end of the mounting plate, the top ends of the four groups of threaded rods are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the heat dissipation box, and the bottom ends of the four groups of threaded rods are respectively; through four groups of screwed pipes of manual rotation, through the cooperation of screwed pipe and threaded rod, can dismantle the heat dissipation case, selectively install the heat dissipation case, improve and use the reliability.
According to the integrally cast epoxy resin mutual inductor, the shell is made of epoxy resin raw materials, and a proper amount of aluminum hydroxide and benzyl alcohol are added into the raw materials; through adding aluminium hydroxide, play fire-retardant, reduce cost's effect, fill the mould when being convenient for epoxy to cast through adding benzyl alcohol, and improve the smoothness on product surface.
According to the integrally cast epoxy resin mutual inductor, a plurality of groups of heat absorption plates are all made of copper materials, and the plurality of groups of heat absorption plates are all in a wave shape; the heat absorbing plate is arranged in a wave shape and made of copper materials, so that the effective heat absorbing area of the heat absorbing plate is increased, and the heat absorbing effect is improved.
According to the integrally cast epoxy resin mutual inductor, the insulating rubber tube 17 wraps the outer side of the heat conducting copper tube, and two ends of the insulating rubber tube are respectively connected with the bottom end of the heat dissipation box and the top end of the shell; the heat conduction copper pipe is protected by the insulating rubber pipe.
According to the integrally poured epoxy resin mutual inductor, the heat dissipation plate is made of copper materials and is wavy; the heat dissipation plate is arranged in a wavy shape, so that the heat exchange efficiency of the heat dissipation plate and the cooling liquid is improved.
According to the integrally cast epoxy resin mutual inductor, the heat dissipation box and the insulating layer are made of epoxy resin materials, and the insulating layer and the shell are integrally formed; the processing cost is saved, the batch production is convenient, and the practicability is improved.
According to the integrally cast epoxy resin mutual inductor, the bottom of the left end of the heat dissipation box is provided with the liquid discharge pipe 21, and the liquid discharge valve is arranged at the position of the liquid discharge pipe; can derive the coolant liquid of heat dissipation incasement through the fluid-discharge tube, can also dispel the heat through micro fan simply, improve the practicality.
When the integrally cast epoxy resin mutual inductor works, before the actions are finished, the integrally cast epoxy resin mutual inductor is moved to a position required by a user, is tightly attached to a coil through an insulating layer, and can share part of current through the insulating layer when a large current breaks through the mutual inductor, so that the coil is effectively protected, and the service life of the coil is ensured; the shell and the mutual inductor are integrally cast, so that the explosion condition after the shell is aged is effectively prevented, and the potential safety hazard is reduced; the heat in the working cavity is absorbed by the multiple groups of heat absorbing plates, the heat is transmitted to the heat conducting copper pipe by the heat absorbing plates, the heat on the heat radiating plate is absorbed by the cooling liquid, the cooling liquid is radiated by the micro fan, the cooling liquid has larger specific heat capacity, the heat radiating effect is improved, the coil is in a proper temperature environment, the service life of the coil is ensured, the precision of voltage or current regulation is improved, the use reliability is improved, the heat radiating box can be disassembled by manually rotating the four groups of threaded pipes and matching the threaded pipes with the threaded rods, the heat radiating box is selectively installed, the four groups of fixing nuts are unscrewed, the shell is rotated and inclined by a certain angle through the connecting rods under the condition that the cooling liquid in the heat radiating box is discharged, the later-stage maintenance is convenient, and the aluminum hydroxide is added, play fire-retardantly, reduce cost's effect, fill the mould when being convenient for epoxy to cast through adding benzyl alcohol, and improve the smoothness nature on product surface, through setting the absorber plate to wavy shape and adopting the copper product, improve the effective heat absorption area of absorber plate, improve the heat absorption effect, protect heat conduction copper pipe through insulating rubber tube, through setting the heating panel to wavy, improve the heat exchange efficiency of heating panel and coolant liquid, be convenient for carry out fixed mounting to it through left fixed plate and right fixed plate, can adjust the mounted position through the bar mounting hole, can lead out the coolant liquid of heat dissipation incasement through the fluid-discharge tube, can also dispel the heat through micro fan simply.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The integrally poured epoxy resin mutual inductor comprises a shell (1), wherein a working cavity is arranged inside the shell (1), a coil (2) is arranged in the working cavity, and a wiring terminal (3) is arranged at the top end of the shell (1); the coil is characterized in that an insulating layer is arranged on the outer side of the coil (2), the insulating layer is tightly combined with the coil (2), the shell (1) is made of epoxy resin, and the shell (1) and the coil (2) are integrally molded by casting; the coil is characterized by further comprising a plurality of groups of heat absorbing plates (5), heat conducting copper pipes (6) and a heat dissipation box (7), wherein the plurality of groups of heat absorbing plates (5) are all positioned in the working cavity, the plurality of groups of heat absorbing plates (5) are all positioned on the inner side of the coil (2), the bottom end of each heat conducting copper pipe (6) extends into the working cavity from the top end of the shell (1), the plurality of groups of heat absorbing plates (5) are uniformly arranged on the outer side of the heat conducting copper pipes (6), a placing cavity is arranged inside the heat dissipation box (7), cooling liquid (8) is filled in the placing cavity, a plurality of groups of connecting rods (9) and heat dissipation plates (10) are arranged at the bottom of the placing cavity, the bottom ends of the plurality of groups of connecting rods (9) are all connected with the inner bottom wall of the placing cavity, the top ends of the plurality of groups of connecting rods (9) are all connected with the bottom end of the heat dissipation plates, the top end of the heat dissipation box (7) is provided with heat dissipation holes, a grid plate (11) is arranged at the heat dissipation holes, a micro fan (12) is installed at the bottom end of the grid plate (11), and the output end of the micro fan (12) is vertically upward; the novel fixing device is characterized by further comprising a connecting plate (22), a left mounting plate (23), a right mounting plate (24), a left fixing plate (25), a right fixing plate (26), connecting rods (27) and four groups of fixing nuts (28), wherein the left mounting plate (23) and the right mounting plate (24) are respectively mounted at the bottom of the left end and the bottom of the right end of the shell (1), the bottoms of the left fixing plate (25) and the right fixing plate (26) are respectively connected with the left side and the right side of the top end of the connecting plate (22), slots are respectively formed in the top ends of the left fixing plate (25) and the right fixing plate (26), the bottom ends of the left mounting plate (23) and the right mounting plate (24) are respectively inserted into the two groups of slots from the top ends of the left fixing plate (25) and the right fixing plate (26), first fixing through holes are respectively formed in the left fixing plate (25) and the right fixing plate (26), second fixing, the right-hand member of connecting rod (27) passes two sets ofly from the left end of left fixed plate (25) first fixed through hole and two sets of second fixed through hole to the right side of right fixed plate (26) to be provided with the external screw thread structure on the lateral wall of connecting rod (27), four sets of fixation nut (28) are all established on connecting rod (27) and are passed through threaded connection with connecting rod (27), and wherein two sets of fixation nut (28) paste tightly with the both sides of left fixed plate (25) respectively, and two sets of fixation nut (28) paste tightly with the both sides of right fixed plate (26) respectively in addition.
2. The cast-in-one epoxy transformer according to claim 1, further comprising a mounting plate (13), four sets of threaded rods (14) and four sets of threaded pipes (15), wherein the mounting plate (13) is mounted on one side of the top end of the housing (1), mounting grooves are formed in the left front side, the right front side, the left rear side and the right rear side of the top end of the mounting plate (13), ball bearings (16) are fixedly mounted in the four sets of mounting grooves, the bottom ends of the four sets of threaded pipes (15) are respectively inserted into the four sets of ball bearings (16) from the top end of the mounting plate (13), the top ends of the four sets of threaded rods (14) are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the heat dissipation box (7), and the bottom ends of the four sets of threaded rods (14) are respectively inserted into and screwed into the top ends of.
3. The integrally cast epoxy resin transformer according to claim 2, wherein the shell (1) is made of epoxy resin, and a proper amount of aluminum hydroxide and benzyl alcohol are added into the epoxy resin.
4. A cast-in-one epoxy transformer according to claim 3, characterized in that the plurality of sets of absorber plates (5) are all copper material and the plurality of sets of absorber plates (5) are all wave-shaped.
5. The integrally cast epoxy resin transformer according to claim 4, wherein the heat conducting copper pipe (6) is wrapped by an insulating rubber pipe (17), and two ends of the insulating rubber pipe (17) are respectively connected with the bottom end of the heat dissipation box (7) and the top end of the shell (1).
6. The cast-in-one epoxy transformer according to claim 5, characterized in that the heat dissipation plate (10) is copper material and the heat dissipation plate (10) is wave-shaped.
7. The cast-in-one epoxy mutual inductor according to claim 6, wherein the heat dissipation box (7) and the insulating layer are made of epoxy resin, and the insulating layer and the shell (1) are integrally formed.
8. The cast-in-one epoxy mutual inductor according to claim 7, characterized in that a drain pipe (21) is arranged at the bottom of the left end of the heat dissipation box (7), and a drain valve is arranged at the drain pipe (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026430.5A CN109166694B (en) | 2018-09-04 | 2018-09-04 | Integrally cast epoxy resin mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026430.5A CN109166694B (en) | 2018-09-04 | 2018-09-04 | Integrally cast epoxy resin mutual inductor |
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| CN109166694A CN109166694A (en) | 2019-01-08 |
| CN109166694B true CN109166694B (en) | 2021-02-09 |
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- 2018-09-04 CN CN201811026430.5A patent/CN109166694B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101996745A (en) * | 2009-08-27 | 2011-03-30 | 成都深蓝高新技术发展有限公司 | Transformer with magnetic iron wire and conductive aluminum wire |
| CN203733570U (en) * | 2014-03-13 | 2014-07-23 | 深圳市普兰斯通科技有限公司 | Heat dissipation device of high-frequency switching mode power supply transformer |
| CN204760167U (en) * | 2015-06-06 | 2015-11-11 | 江西力磁电子有限公司 | High -power high -frequency transformer |
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| CN109166694A (en) | 2019-01-08 |
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Address after: 071800 yagucheng village, Xiongzhou town, Xiong County, Baoding City, Hebei Province Patentee after: Hebei Zhongkai Mingtai Electric Power Technology Co.,Ltd. Address before: 071800 yagucheng village, Xiongzhou town, Xiong County, Baoding City, Hebei Province Patentee before: HEBEI ZHONGKAIMINGTAI ELECTRIC EQUIPMENT CO.,LTD. |
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Denomination of invention: Integral cast epoxy resin transformer Effective date of registration: 20230221 Granted publication date: 20210209 Pledgee: Agricultural Bank of China Limited Xiongxian sub branch Pledgor: Hebei Zhongkai Mingtai Electric Power Technology Co.,Ltd. Registration number: Y2023990000126 |