CN212276973U - High-power high-frequency switching power supply transformer cooling device - Google Patents
High-power high-frequency switching power supply transformer cooling device Download PDFInfo
- Publication number
- CN212276973U CN212276973U CN202020989998.3U CN202020989998U CN212276973U CN 212276973 U CN212276973 U CN 212276973U CN 202020989998 U CN202020989998 U CN 202020989998U CN 212276973 U CN212276973 U CN 212276973U
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- Prior art keywords
- cooling
- power supply
- bin
- transformer
- plate
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- 238000001816 cooling Methods 0.000 title claims abstract description 97
- 239000000498 cooling water Substances 0.000 claims abstract description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000741 silica gel Substances 0.000 claims abstract description 11
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000004804 winding Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000000463 material Substances 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
- 238000013021 overheating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model relates to a cooling device of a high-power high-frequency switching power supply transformer, which comprises a cooling bin, heat-conducting silica gel, a cooling plate, a cooling water pipe and the like; heating devices such as a high-frequency transformer and the like are placed in the cooling bin, and heat-conducting silica gel is filled in the gap part in the bin; a cooling water pipe is embedded in the cooling plate and is used as a cover plate of the cooling bin, and the cooling plate and the cooling bin are tightly fixed together; the heat that heating devices such as high-frequency transformer produced when the during operation, evenly transmit to cooling plate and inside cyclic annular condenser tube through heat conduction silica gel, cooling storehouse, and then take away the heat by the inside recirculated cooling water of condenser tube. The utility model discloses can effectively cool off heating device such as high-frequency transformer, cooling device is small, and power supply unit electromagnetic compatibility and electromagnetic shield are effectual, and job stabilization is reliable.
Description
Technical Field
The utility model relates to a power technical field, concretely relates to high-power high frequency switching power supply transformer cooling device.
Background
The high-frequency transformer is one of the devices with larger heat productivity in the high-power high-frequency switching power supply, and if the high-frequency transformer cannot be effectively cooled, the transformer can be burnt out due to overheating, and then the power supply is damaged.
In a conventional air-cooling method, a fan is added to enhance the convection circulation of air around the transformer and the power device, so that the transformer and the power device are cooled. Air cooling requires the addition of a fan, and a certain space is kept around a transformer, the fan and other power devices for air circulation, so that the volume of power supply equipment is increased; air cooling needs to form a hole in a power supply shell, so that external dust and moisture easily enter the interior of equipment, components in the power supply equipment can be damaged due to failure after long-time operation, the service life and the reliability of the equipment are reduced, especially, the requirements of a high-power high-frequency switching power supply on electromagnetic interference and electromagnetic leakage are strict, and the electromagnetic compatibility of the power supply equipment can be reduced due to the hole in the shell; in addition, the operation noise of the power supply apparatus is increased when the fan operates.
At present, a water cooling method is adopted, in which a transformer winding is arranged into a water pipe structure or a cooling ring is arranged between transformer windings, and circulating cooling water is introduced into the water pipe or the cooling ring, so that heat on the transformer winding and an iron core is taken away. The water-cooling mode needs to customize and specially design the structure of the transformer, particularly, the high-frequency transformer with the structure has very high design difficulty, and the designed transformer has very large volume; when the conductive equipment is directly cooled, deionized cooling water with high resistivity is also required, so that the requirement on cooling liquid is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of high-power high frequency switching power supply transformer cooling device can be good to the cooling effect of transformer and power device, and the heat dissipation is even, and the radiating efficiency is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cooling device for a high-power high-frequency switching power supply transformer comprises a cooling bin, heat-conducting silica gel, a cooling plate, a cooling water pipe and the like;
the cooling bin is a container with an upper end opening formed by a base and a side wall, a high-frequency transformer, a heating device such as a resonance inductor and a resonance capacitor which needs to be cooled can be placed in the cooling bin, and heat-conducting silica gel is filled in a gap part in the cooling bin.
The cooling plate is a thick aluminum plate, an annular cooling water pipe is arranged inside the aluminum plate, and the cooling plate is used as a cover plate of the cooling bin and fixed together with the cooling bin through fixing screws. And the electric connection interface of the high-frequency transformer and other devices is connected to an external power supply loop through a through hole and a cable on the cooling plate.
The cooling water pipe is a copper pipe and is embedded into the cooling plate, the water inlet and the water outlet of the cooling water pipe are arranged on one side of the cooling plate, and circulating cooling water is introduced into the cooling water pipe when the power supply works.
The heat that devices such as high frequency transformer produced during operation evenly transmits to cooling plate and inside cyclic annular condenser tube through heat conduction silica gel, cooling storehouse, and then takes away the heat by the inside recirculated cooling water of condenser tube.
According to the technical scheme, the cooling device for the high-power high-frequency switching power supply transformer has good cooling effect on the transformer and power devices, uniform heat dissipation and high heat dissipation efficiency; the cooling device has small volume, does not need to open a hole on the shell for ventilation, and the high-power high-frequency switching power supply designed by the method has small equipment volume, good electromagnetic compatibility and electromagnetic shielding effect and stable and reliable work.
According to the above technical scheme, the utility model discloses following beneficial effect has:
(1) the cooling device has good cooling effect on a transformer and a power device in a high-power high-frequency switching power supply, the heat dissipation of the heating device is uniform, and the heat dissipation efficiency is high;
(2) the cooling method does not need to open a hole on the shell for ventilation, the power supply equipment has good electromagnetic compatibility and electromagnetic shielding effect, no dust and moisture enter the power supply, the noise is low, the equipment works stably and reliably, and the safety protection level is high;
(3) the cooling method and the cooling device do not need to change the structure of the high-frequency transformer, and the cooling device has small volume and can reduce the volume of the whole power supply equipment.
Drawings
FIG. 1 is an external structural view of the present invention;
FIG. 2 is a view of the structure of the cooling chamber of the present invention;
fig. 3 is a view showing the structure of the cooling plate of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
As shown in fig. 1, fig. 2 and fig. 3, the cooling device for a high-power high-frequency switching power supply transformer according to the present embodiment is composed of a cooling chamber 1, heat-conducting silica gel 2, a cooling plate 3, a cooling water pipe 4, and the like.
Referring to fig. 1, according to the actual number of internal modules of the high-power high-frequency switching power supply, the cooling chamber 1 may be designed to be multiple, in this embodiment, three cooling chambers are taken as an example for description, and the three cooling chambers are connected in parallel and share the same cooling plate 3 as a cover plate.
Referring to fig. 2, the cooling chamber 1 is a container with an opening at the upper end, which is composed of a base and a side wall, and is made of aluminum material, a high-frequency transformer 11, a resonant inductor 12, a resonant capacitor 13 and other heating devices to be cooled are placed in the cooling chamber, and a gap part in the cooling chamber is filled with heat-conducting silica gel 2.
Referring to fig. 3, the cooling plate 3 is a thick aluminum plate, an annular cooling water pipe 4 is arranged inside the aluminum plate, and the cooling plate is used as a cover plate of the cooling chamber 1 and fixed together with the cooling chamber through fixing screws. The electrical connection interface of the high-frequency transformer 11 and other devices is connected to the external power supply circuit through a via hole and a cable on the cooling plate.
The cooling water pipe 4 is a copper pipe and is embedded into the cooling plate 3, the water inlet and the water outlet 5 of the cooling water pipe 4 are arranged on one side of the cooling plate, and when the power supply works, circulating cooling water is introduced into the cooling water pipe 4.
The heat that devices such as high frequency transformer 11 produced during operation evenly transmits to cooling plate 3 and the cyclic annular cooling water pipe 4 of inside through heat conduction silica gel 2, cooling storehouse 1, and then takes away the heat by the inside recirculated cooling water of cooling water pipe.
To sum up, the cooling device for the high-power high-frequency switching power supply transformer provided by the embodiment of the utility model has good cooling effect on the transformer and the power device, uniform heat dissipation and high heat dissipation efficiency; cooling device is small, need not to ventilate the shell trompil, through the utility model discloses a high-power high frequency switching power supply, equipment is small, and electromagnetic compatibility and electromagnetic shield are effectual, and job stabilization is reliable.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A high-power high-frequency switching power supply transformer cooling device is characterized in that: comprises a cooling bin (1), heat-conducting silica gel (2), a cooling plate (3) and a cooling water pipe (4);
the cooling bin (1) is a container with an opening at the upper end and composed of a base and a side wall, a heating device is placed in the cooling bin, heat-conducting silica gel (2) is filled into a gap part in the cooling bin, and a cooling plate (3) is used as a cover plate of the cooling bin (1) and is tightly fixed with the cooling bin (1);
and a cooling water pipe (4) is embedded in the cooling plate (3), and a water inlet and a water outlet of the cooling water pipe (4) are arranged on one side of the cooling plate (3).
2. The transformer cooling device for high-power high-frequency switching power supply according to claim 1, wherein: the cooling water pipe (4) is arranged in the cooling plate (3) and is annular, and the zigzag trend is embedded into the cooling plate (3).
3. The transformer cooling device for high-power high-frequency switching power supply according to claim 1, wherein: the cooling bin (1) and the cooling plate (3) are both made of aluminum.
4. The transformer cooling device for high-power high-frequency switching power supply according to claim 1, wherein: a high-frequency transformer, a resonance inductor and a resonance capacitor are placed in the cooling bin (1) independently or simultaneously.
5. The transformer cooling device for high-power high-frequency switching power supply according to claim 1, wherein: the cooling plate (3) is tightly fixed on the top of the cooling bin (1) through screws.
6. The transformer cooling device for high-power high-frequency switching power supply according to claim 1, wherein: the number of the cooling bins (1) is N, N is a natural number larger than or equal to 1, the N cooling bins (1) are connected in parallel, and one cooling plate (3) is shared as a cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020989998.3U CN212276973U (en) | 2020-06-02 | 2020-06-02 | High-power high-frequency switching power supply transformer cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020989998.3U CN212276973U (en) | 2020-06-02 | 2020-06-02 | High-power high-frequency switching power supply transformer cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212276973U true CN212276973U (en) | 2021-01-01 |
Family
ID=73880080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020989998.3U Active CN212276973U (en) | 2020-06-02 | 2020-06-02 | High-power high-frequency switching power supply transformer cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212276973U (en) |
-
2020
- 2020-06-02 CN CN202020989998.3U patent/CN212276973U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anhui Xingtai Financial Leasing Co.,Ltd. Assignor: ANHUI JINYI POWER TECHNOLOGY CO.,LTD. Contract record no.: X2022980017806 Denomination of utility model: A transformer cooling device for high-power high-frequency switching power supply Granted publication date: 20210101 License type: Exclusive License Record date: 20221010 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A transformer cooling device for high-power high-frequency switching power supply Effective date of registration: 20221011 Granted publication date: 20210101 Pledgee: Anhui Xingtai Financial Leasing Co.,Ltd. Pledgor: ANHUI JINYI POWER TECHNOLOGY CO.,LTD. Registration number: Y2022980017971 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210101 Pledgee: Anhui Xingtai Financial Leasing Co.,Ltd. Pledgor: ANHUI JINYI POWER TECHNOLOGY CO.,LTD. Registration number: Y2022980017971 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Anhui Xingtai Financial Leasing Co.,Ltd. Assignor: ANHUI JINYI POWER TECHNOLOGY CO.,LTD. Contract record no.: X2022980017806 Date of cancellation: 20240327 |