CN221057242U - Power transformer with good heat dissipation effect - Google Patents
Power transformer with good heat dissipation effect Download PDFInfo
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- CN221057242U CN221057242U CN202322806770.2U CN202322806770U CN221057242U CN 221057242 U CN221057242 U CN 221057242U CN 202322806770 U CN202322806770 U CN 202322806770U CN 221057242 U CN221057242 U CN 221057242U
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- transformer body
- heat conducting
- transformer
- top plate
- plate
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- 230000000694 effects Effects 0.000 title claims abstract description 9
- 230000017525 heat dissipation Effects 0.000 title abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000741 silica gel Substances 0.000 claims abstract description 4
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 16
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a power transformer with good heat dissipation effect, which comprises a square transformer body, wherein a shell is arranged on the outer side of the transformer body and comprises a top plate, a bottom plate and side plates, the bottom plate is attached to the bottom of the transformer body, the top plate and the side plates are respectively arranged at the top and the side parts of the transformer body at intervals, a first heat conducting sheet attached to the top plate and the top plate of the transformer body is arranged between the top plate and the side plate of the transformer body, a second heat conducting sheet attached to the side plate and the side plate of the transformer body is arranged between the side plate and the side plate of the transformer body, the first heat conducting sheet and the second heat conducting sheet are both made of heat conducting silica gel sheets with good heat conducting performance, and the top plate and the side plate are made of pure metal. The utility model has the beneficial effects that the heat conducting fin is arranged between the transformer body and the shell, and the contact part of the shell and the heat conducting fin is made of metal, so that the heat conducting efficiency of the power transformer is improved, and the power transformer can work for a long time conveniently.
Description
Technical Field
The utility model belongs to the technical field of power transformers, and particularly relates to a power transformer with good heat dissipation effect.
Background
The switching power supply, also called switching power supply and switching converter, is a high-frequency electric energy conversion device and is a kind of power supply. The function of the switching power supply is to convert a voltage with one level into a voltage or a current required by a user terminal through different forms of architectures, and the switching power supply is commonly used for supplying power to various household appliances.
The corresponding power transformer is arranged in the shell of the switch power supply so as to convert the input power supply into the specified voltage required by the equipment and then output the specified voltage, namely, the power transformer can continuously work and generate heat in the operation process of the switch power supply, so that the heat of the power transformer needs to be dissipated in time so as to avoid affecting the normal work of the switch power supply. However, in the existing switching power supply, the power transformer mainly dissipates heat by virtue of conduction of the shell, and larger gaps are reserved on two sides of the shell and the power transformer, so that the heat dissipation efficiency of the power transformer is higher due to air in the gaps.
Disclosure of Invention
Aiming at the problem that the heat dissipation efficiency of the power transformer in the existing switching power supply is low, the following utility model is proposed:
The utility model provides a power transformer that radiating effect is good, includes the transformer body, is equipped with the casing in the transformer body outside, the casing is including locating roof and the bottom plate of transformer body upside and locating the curb plate of transformer body both sides, transformer body top is equipped with the first conducting strip that laminates mutually with the roof, transformer body both sides are equipped with the second conducting strip that laminates mutually with the curb plate.
Further, a plurality of top radiating fins and side radiating fins extending outwards are arranged on the top plate and the side plates respectively, the top radiating fins and the side radiating fins are arranged at intervals, the contact area between the shell and the outside is increased, and the radiating efficiency is improved.
Further, the first heat conducting fin and the second heat conducting fin are made of heat conducting silica gel and are firmly bonded with the transformer body, the top plate and the side plates.
Further, a hollow cavity is arranged between the rear side of the transformer body and the shell, and a plurality of through heat dissipation holes are formed in a top plate above the hollow cavity.
Further, a plurality of cooling fans mounted on the top plate are arranged in the cavity, and after the cooling fans are started, heat at the rear side of the transformer body is conducted out through the cooling holes.
Further, the top radiating fin and the side radiating fin are made of pure metal, so that heat can be rapidly dissipated.
Advantageous effects
The utility model provides a power transformer with good heat dissipation effect, which has the beneficial effects that a first heat conducting fin and a second heat conducting fin which are attached to the transformer body are arranged between the transformer body and a top plate and between the transformer body and a side plate, so that the heat of the transformer body is quickly conducted to the outer side part of a shell in the continuous working process, and the stability of the power transformer in the working process is improved.
Drawings
FIG. 1 is a schematic diagram of a power transformer according to the present utility model;
Fig. 2 is a schematic diagram of an internal structure of a power transformer according to the present utility model.
The correspondence between the reference numerals and the component names in the drawings is as follows:
1. A housing; 2. a transformer body; 3. a heat radiation fan; 4. a heat radiation hole; 11. a bottom plate; 12. a top plate; 13. a side plate; 14. a top heat sink; 15. side heat sinks; 16. an empty chamber; 21. a first heat conductive sheet; 22. and a second heat conductive sheet.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in the following examples.
It will be apparent that the described embodiments are merely some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1-2, the power transformer with good heat dissipation effect according to the preferred embodiment of the present utility model includes a square transformer body 2, a transformer module is integrated in the transformer body 2, a plurality of connection terminals are disposed on the outer side of the transformer body 2 for inputting and outputting power, a housing 1 is disposed on the outer side of the transformer body 2, the housing 1 includes a top plate 12, a bottom plate 11 and a side plate 13, the bottom plate 11 is attached to the bottom of the transformer body 2, the top plate 12 and the side plate 13 are respectively disposed at intervals on the top and the side of the transformer body 2, a first heat conducting sheet 21 attached to the top and the top plate 12 is disposed between the top and the top plate 12 of the transformer body 2, a second heat conducting sheet 22 attached to the side and the side plate 13 is disposed between the side and the side plate 2 of the transformer body, the first heat conducting sheet 21 and the second heat conducting sheet 22 are both made of heat conducting silicon sheets with good heat conducting properties, and the top plate 12 and the side plate 13 can be made of aluminum alloy or high polymer materials with high heat conducting properties.
During operation of the power transformer, the transformer body 2 continuously emits heat, and the heat is conducted by the heat conducting fins and then is collected on the surfaces of the side plates 13 and the top plate 12, and finally the heat is dissipated through exchange conduction with the outside.
In this embodiment, a plurality of top cooling fins 14 and side cooling fins 15 extending outwards are respectively arranged on the outer side parts of the top plate 12 and the side plate 13, and the cooling fins are arranged at intervals and made of metal, so that the contact area between the side plate 13 and the top plate 12 and the outside is increased, and the heat conduction efficiency is improved.
In this embodiment, the first heat conducting strip 21 and the second heat conducting strip 22 are made of heat conducting silica gel, which has a certain adhesive force, and can maintain the shape during the working process of the transformer body 2, so as to ensure that the heat dissipation is not affected.
The air chamber 16 is further arranged between the rear side of the transformer body 2 and the shell 1, and other electronic components electrically connected with the transformer body 2 are mounted in the air chamber 16, so that a cooling fin cannot be mounted on the rear side of the transformer body 2, in this embodiment, a plurality of through cooling holes 4 are formed in the top plate 12 above the air chamber 16, a plurality of cooling fans 3 fixedly mounted on the top plate 12 are arranged below the cooling holes 4, and after the cooling fans 3 are started, heat on the rear side of the transformer body 2 and other electronic components can be quickly taken away.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a power transformer that radiating effect is good, includes transformer body (2), is equipped with casing (1), its characterized in that in transformer body (2) outside: the shell (1) comprises a top plate (12) and a bottom plate (11) which are arranged on the upper side and the lower side of the transformer body (2) and side plates (13) which are arranged on the two sides of the transformer body (2), a first heat conducting fin (21) which is attached to the top plate (12) is arranged on the top of the transformer body (2), and a second heat conducting fin (22) which is attached to the side plates (13) is arranged on the two sides of the transformer body (2).
2. The power transformer of claim 1, wherein: a plurality of top cooling fins (14) and side cooling fins (15) extending outwards are respectively arranged on the top plate (12) and the side plate (13), and the top cooling fins (14) and the side cooling fins (15) are arranged at intervals.
3. A power transformer according to claim 2, characterized in that: the first heat conducting fin (21) and the second heat conducting fin (22) are made of heat conducting silica gel.
4. A power transformer according to claim 3, characterized in that: a hollow chamber (16) is arranged between the transformer body (2) and the shell (1), and a plurality of through radiating holes (4) are formed in a top plate (12) above the hollow chamber (16).
5. The power transformer of claim 4, wherein: a plurality of cooling fans (3) mounted on the top plate (12) are arranged in the cavity chamber (16).
6. A power transformer according to claim 2, characterized in that: the top radiating fins (14) and the side radiating fins (15) are made of pure metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322806770.2U CN221057242U (en) | 2023-10-19 | 2023-10-19 | Power transformer with good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322806770.2U CN221057242U (en) | 2023-10-19 | 2023-10-19 | Power transformer with good heat dissipation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221057242U true CN221057242U (en) | 2024-05-31 |
Family
ID=91201159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322806770.2U Active CN221057242U (en) | 2023-10-19 | 2023-10-19 | Power transformer with good heat dissipation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221057242U (en) |
-
2023
- 2023-10-19 CN CN202322806770.2U patent/CN221057242U/en active Active
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