CN219997985U - Small transformer with heat dissipation and dust prevention functions - Google Patents
Small transformer with heat dissipation and dust prevention functions Download PDFInfo
- Publication number
- CN219997985U CN219997985U CN202320640363.6U CN202320640363U CN219997985U CN 219997985 U CN219997985 U CN 219997985U CN 202320640363 U CN202320640363 U CN 202320640363U CN 219997985 U CN219997985 U CN 219997985U
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- Prior art keywords
- heat dissipation
- transformer
- small
- box
- mounting cylinder
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 66
- 239000000428 dust Substances 0.000 title claims abstract description 25
- 230000002265 prevention Effects 0.000 title claims abstract description 14
- 238000004804 winding Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 10
- 239000004519 grease Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 238000007791 dehumidification Methods 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
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- Transformer Cooling (AREA)
Abstract
The utility model is suitable for the technical field of transformers, and provides a small transformer with a heat dissipation and dust prevention function, which comprises a small transformer and a heat dissipation box, wherein the heat dissipation box is fixedly arranged on a winding of the small transformer, a heat dissipation fin plate is vertically and fixedly arranged in the heat dissipation box, a heat dissipation opening is formed in the outer ring surface of the heat dissipation box, a through hole is formed in the outer side of the heat dissipation box, the inner end of the through hole extends inwards to form a mounting cylinder, and a heat dissipation fan is arranged in the mounting cylinder. This small-size transformer with dustproof function dispels heat carries out dustproof filtration and dehumidification in advance through setting up at the inside dampproofing board of mounting cylinder and dust guard and will be blown by radiator fan into wind, makes small-size transformer not have a large amount of dust entering small-size transformer when long-term use, can not produce high temperature under the high load service condition and can not appear the short circuit under moist operational environment, has prolonged small-size transformer's life and has reduced the potential safety hazard that probably appears in the use engineering.
Description
Technical Field
The utility model belongs to the technical field of transformers, and particularly relates to a small-sized transformer with heat dissipation and dust prevention functions
Background
The miniature transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and is mainly characterized by small volume, is a common device in an electric control system of a factory, and is increasingly widely applied along with a large number of electronic elements applied to control, monitoring and automatic loops of a power plant, but the high-load use of the transformer can lead to extremely high temperature, easy safety accidents, and the service life of the transformer can be shortened.
As chinese patent CN213519503U discloses a detachable radiator for miniature transformer, fix the fan on the transformer through two stands in this technical scheme, use the motor to drive the fan and dispel the heat to the transformer, if use under the environment that the dust is great or comparatively moist, dust and moisture in the air can get into inside the transformer along with the air, lead to attaching a large amount of dust on the transformer, influence the heat dissipation, and moisture can lead to the transformer short circuit, make miniature transformer probably appear the potential safety hazard in the use.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a small-sized transformer with the heat dissipation and dust prevention functions, and aims to solve the problems that the transformer is extremely high in temperature under the condition of high load use, and a large amount of dust enters the transformer after long-term use to cause the transformer to be damaged and short circuit is easy to occur in a humid environment.
The utility model is realized in such a way that the small transformer with the heat dissipation and dust prevention functions comprises a small transformer and two heat dissipation boxes, wherein the two heat dissipation boxes are fixedly arranged on two sides of the small transformer, the heat dissipation boxes are fixedly arranged on a small transformer frame and cover the outside of a winding of the small transformer, heat dissipation fin plates are fixedly arranged in the heat dissipation boxes, and the heat dissipation fin plates are connected with the winding;
the cooling box is characterized in that a plurality of cooling ports are formed in the outer annular surface of the cooling box, dust screens are fixedly mounted on the surfaces of the cooling ports, through holes are formed in the outer side of the cooling box, the inner ends of the through holes inwards extend to form a mounting cylinder, a cooling fan which is opposite to the cooling fin plate and is used for blowing air inwards is arranged in the mounting cylinder, a moisture-proof plate and a dust-proof plate are detachably arranged in the mounting cylinder and located outside the cooling fan, and propping and tightening the moisture-proof plate and the dust-proof limiting ring are detachably arranged at the outer end of the inner cavity of the mounting cylinder.
Preferably, the inner end surface of the heat dissipation fin plate is attached to the small transformer through a heat dissipation silicone grease layer.
Preferably, the inner ring surface of the mounting cylinder is uniformly provided with a plurality of sliding grooves distributed along the length direction of the mounting cylinder.
Preferably, the moisture-proof plate and the dust-proof plate are both provided with sliding blocks sliding along the sliding grooves.
Preferably, a plurality of connecting plates connected with the miniature transformer are arranged on two sides of the radiating box, a strip-shaped fixing groove is formed in the connecting plates, fixing bolts are arranged above the connecting plates and in the fixing groove, and the connecting plates are fixedly connected to the miniature transformer through the fixing bolts.
Preferably, the outer end of the inner ring surface of the mounting cylinder is provided with an internal thread, the outer surface of the limiting ring is provided with an external thread, and the mounting cylinder and the limiting ring are connected together through the internal thread and the external thread.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
according to the small transformer with the heat dissipation and dust prevention functions, the air blown by the heat dissipation fan is subjected to dust prevention, filtration and dehumidification in advance through the moisture-proof plate and the dust-proof plate arranged in the mounting cylinder, so that a large amount of dust does not enter the small transformer when the small transformer is used for a long time, extremely high temperature cannot be generated under the condition of high load use, short circuit cannot occur in a wet working environment, the service life of the small transformer is prolonged, potential safety hazards possibly occurring in the use process are reduced, and the moisture-proof plate and the dust-proof plate in the mounting cylinder can be disassembled and replaced according to different working requirements under different working environments.
Drawings
FIG. 1 is a schematic cross-sectional view of a heat dissipating box according to the present utility model;
FIG. 2 is a schematic diagram of a left-hand structure of a heat dissipation case according to the present utility model;
fig. 3 is a schematic structural view of the present utility model.
In the figure 1, a heat dissipation box; 2. a heat dissipating silicone grease layer; 3. a heat dissipation fin; 4. a limit bolt; 5. a heat radiation port; 6. a dust screen; 7. a mounting cylinder; 8. a limiting ring; 9. a heat radiation fan; 10. a moisture-proof plate; 11. a dust-proof plate; 12. a connecting plate; 13. a fixing bolt; 14. a fixing groove; 15. a chute; 16. a miniature transformer.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a miniature transformer with heat dissipation dustproof function, includes miniature transformer 16 and heat dissipation box 1, and heat dissipation box 1 has two and fixed mounting in miniature transformer 16 both sides, and heat dissipation box 1 fixed mounting is on miniature transformer 16 frame and cover locates the winding outside of miniature transformer 16, and heat dissipation box 1 internally mounted has heat dissipation fin 3, and heat dissipation fin 3 is connected with the winding;
the outer ring surface of the radiating box 1 is provided with a plurality of radiating ports 5, the surface of the radiating ports 5 is fixedly provided with a dustproof net 6, the outer side of the radiating box 1 is provided with a through hole, the inner end of the through hole extends inwards to form an installation barrel 7, the inside of the installation barrel 7 is provided with a radiating fan 9 which is opposite to the radiating fin plate 3 and blows inwards, the inside of the installation barrel 7 is provided with a dampproof plate 10 and a dustproof plate 11 which are positioned outside the radiating fan 9 in a detachable manner, and the outer end of the inner cavity of the installation barrel 7 is detachably provided with a limiting ring 8 which abuts against the dampproof plate 10 and the dustproof plate 11.
In this embodiment, since windings are exposed to air on both sides of the small transformer 16, the heat dissipation box 1 is mounted on both sides of the small transformer 16, two limit bolts 4 can be used to limit and fix the heat dissipation fin plate 3, the inside of the mounting cylinder 7 is in a horn shape and faces the heat dissipation fin plate 3 to enable heat dissipation to be more uniform, the heat dissipation fan 9 sucks air outside the heat dissipation box 1 into the mounting cylinder 7, the sucked air is filtered and dehumidified through the moisture-proof plate 10 and the dust-proof plate 11 mounted inside the mounting cylinder 7, heat of the clean air blown into the heat dissipation box 1 to take away the heat of the heat dissipation fin plate 3 is discharged from the heat dissipation opening 5, the moisture-proof plate 10 and the dust-proof plate 11 are mounted inside the mounting cylinder 7, gaps are formed between the moisture-proof plate 10 and the dust-proof plate 11 and the mounting cylinder 7, and after limiting the moisture-proof plate 10 and the dust-proof plate 11 are limited through the limit ring 8, the gaps between the moisture-proof plate 10 and the dust-proof plate 11 and the mounting cylinder 7 are blocked by the limit ring 8.
Further, the inner end surface of the heat dissipation fin plate 3 is attached to the small transformer 16 through the heat dissipation silicone grease layer 2.
In the present embodiment, after the heat dissipation case 1 is mounted on the small transformer 16, a part of the windings of the small transformer 16 are located inside the heat dissipation case 1, and the windings located inside the heat dissipation case 1 are wrapped by the heat dissipation silicone grease layer 2 and connected with the heat dissipation fin plates 3 to achieve the heat dissipation effect.
Further, the inner circumferential surface of the mounting cylinder 7 is uniformly provided with a plurality of sliding grooves 15 distributed along the length direction thereof.
In the present embodiment, the moisture-proof plate 10 and the dust-proof plate 11 are mounted inside the mounting cylinder 7 through the slide groove 15, and the moisture-proof plate 10 and the dust-proof plate 11 mounted inside the mounting cylinder 7 may be freely assembled according to different working environments.
Further, the moisture-proof plate 10 and the dust-proof plate 11 are provided with sliding blocks sliding along the sliding grooves 15.
In the present embodiment, the moisture-proof plate 10 is made of activated alumina, the inside of the dust-proof plate 11 is composed of a nylon dust-proof net, and the moisture-proof plate 10 and the dust-proof plate 11 are mounted by sliding in the slide groove 15 through a slider.
Further, a plurality of connecting plates 12 connected with the small transformer 16 are arranged on two sides of the radiating box 1, a strip-shaped fixing groove 14 is formed in the connecting plates 12, fixing bolts 13 are arranged above the connecting plates 12 and in the fixing groove 14, and the connecting plates 12 are fixedly connected to the small transformer 16 through the fixing bolts 13.
In the present embodiment, the heat sink 1 is fixed to the small transformer 16 by the connection plates 12 on both sides of the heat sink 1, and the heat sink 1 does not fall out regardless of the installation of the small transformer 16.
Further, the outer end of the inner ring surface of the mounting barrel 7 is provided with an internal thread, the outer surface of the limiting ring 8 is provided with an external thread, and the mounting barrel 7 and the limiting ring 8 are connected together through the internal thread and the external thread.
In this embodiment, the outer end of the stop collar 8 is hexagonal, so that the connection between the mounting cylinder 7 and the stop collar 8 is more convenient.
The working principle and the using flow of the utility model are as follows: after the utility model is installed, the small transformer 16 is started to work, the cooling fan 9 positioned in the installation cylinder starts to work to suck cold air into the installation cylinder 7, the dampproof plate 10 and the dustproof plate 11 arranged in the installation cylinder 7 are used for dedusting and dehumidifying, clean cold air is blown into the cooling box 1, and the cold air enters the cooling box 1 to take away the temperature on the cooling fin plate 3 and is discharged from the cooling port.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. A small transformer with heat dissipation and dust prevention functions is characterized in that: the transformer comprises a small transformer (16) and a heat dissipation box (1), wherein the two heat dissipation boxes (1) are fixedly arranged on two sides of the small transformer (16), the heat dissipation box (1) is fixedly arranged on a frame of the small transformer (16) and covers the outside of a winding of the small transformer (16), a heat dissipation fin plate (3) is fixedly arranged in the heat dissipation box (1), and the heat dissipation fin plate (3) is connected with the winding;
the outer ring surface of the radiating box (1) is provided with a plurality of radiating ports (5), the surfaces of the radiating ports (5) are fixedly provided with dustproof nets (6), the outer side of the radiating box (1) is provided with through holes, the inner ends of the through holes extend inwards to form mounting cylinders (7), the inside of the mounting cylinders (7) is provided with radiating fans (9) which are opposite to the radiating fin plates (3) and blow inwards, inside just being located radiator fan (9) outside detachably of installation section of thick bamboo (7) is provided with dampproofing board (10) and dust guard (11), the outer end detachably of installation section of thick bamboo (7) inner chamber is provided with to support tightly dampproofing board (10) with spacing ring (8) of dust guard (11).
2. A compact transformer with heat dissipation and dust prevention functions as set forth in claim 1, wherein: the inner end surface of the heat dissipation fin plate (3) is attached to the small transformer (16) through the heat dissipation silicone grease layer (2).
3. A compact transformer with heat dissipation and dust prevention functions as set forth in claim 1, wherein: the inner annular surface of the mounting cylinder (7) is uniformly provided with a plurality of sliding grooves (15) distributed along the length direction of the mounting cylinder.
4. A compact transformer with heat dissipation and dust prevention functions as set forth in claim 3, wherein: the moistureproof plate (10) and the dustproof plate (11) are both provided with sliding blocks which slide along the sliding grooves (15).
5. A compact transformer with heat dissipation and dust prevention functions as set forth in claim 1, wherein: the cooling box is characterized in that a plurality of connecting plates (12) connected with the small transformer (16) are arranged on two sides of the cooling box (1), strip-shaped fixing grooves (14) are formed in the connecting plates (12), fixing bolts (13) are arranged above the connecting plates (12) and in the fixing grooves (14), and the connecting plates (12) are fixedly connected to the small transformer (16) through the fixing bolts (13).
6. A compact transformer with heat dissipation and dust prevention functions as set forth in claim 1, wherein: the outer end of the inner ring surface of the mounting cylinder (7) is provided with an internal thread, the outer surface of the limiting ring (8) is provided with an external thread, and the mounting cylinder (7) and the limiting ring (8) are connected together through the internal thread and the external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320640363.6U CN219997985U (en) | 2023-03-28 | 2023-03-28 | Small transformer with heat dissipation and dust prevention functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320640363.6U CN219997985U (en) | 2023-03-28 | 2023-03-28 | Small transformer with heat dissipation and dust prevention functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219997985U true CN219997985U (en) | 2023-11-10 |
Family
ID=88607026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320640363.6U Active CN219997985U (en) | 2023-03-28 | 2023-03-28 | Small transformer with heat dissipation and dust prevention functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219997985U (en) |
-
2023
- 2023-03-28 CN CN202320640363.6U patent/CN219997985U/en active Active
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