CN208924090U - A kind of LLC resonant converter - Google Patents
A kind of LLC resonant converter Download PDFInfo
- Publication number
- CN208924090U CN208924090U CN201821599898.9U CN201821599898U CN208924090U CN 208924090 U CN208924090 U CN 208924090U CN 201821599898 U CN201821599898 U CN 201821599898U CN 208924090 U CN208924090 U CN 208924090U
- Authority
- CN
- China
- Prior art keywords
- transformer
- shell
- insulator foot
- resonant inductance
- inductance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000012212 insulator Substances 0.000 claims abstract description 35
- 239000003292 glue Substances 0.000 claims abstract description 8
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000002955 isolation Methods 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- 239000011347 resin Substances 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000005538 encapsulation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Abstract
The utility model discloses a kind of LLC resonant converters, including the shell and insulator foot to link together, at least one resonant inductance and at least one transformer are provided on insulator foot, shell is set on resonant inductance and transformer, heat conduction silicone is provided between resonant inductance and transformer and shell, insulator foot at least side is provided with mounting hole.The problem of the utility model is arranged inside same housing with by resonant inductance and transformer, and a shell encapsulation can be needed to avoid an electrical component, reduces multiple shells the space occupied on pcb board；Compared to conventional ordinary resin; the utility model is provided with heat conduction silicone between resonant inductance and transformer and shell; be conducive to improve radiating efficiency; since glue is insulator; the resonant inductance and transformer under working condition can be protected well, and because product is sealing encapsulating, noise insulation; control noise pollution, installation cost will be greatly reduced.
Description
Technical field
The utility model relates to transformer technology field, especially a kind of LLC resonant converter.
Background technique
The a great problem that new-energy automobile faces at present is charging rate, improves charging rate and just needs to increase charger
Power, the big restriction of the one of power ascension are the increases of power consumption, and power consumption increase certainly will generate amount of heat.And if electronic original part obtains not
To effective heat dissipation, output power is gently then influenced, it is heavy then cause product failure or even fire.
The LLC circuit that existing charger mostly uses transformer and resonant inductance to be separately mounted to form on PCB, it is main
Radiated by the way of air-cooled or water cooling, air-cooled charger noise is big, dust is more, influence to seal, to vehicle NVH (noise,
Vibration and sound vibration roughness) there is larger impact.Water-cooling has absolute advantage compared to air-cooled, but water-cooling is for transformer
With the high-power special-shaped device of inductance one kind, shell cannot be contacted very well with radiating surface, heat dissipation effect is poor, and in automobile
Under severe vibration environment, the traditional fixation and radiating mode service life is low, inefficient, and also multiple inductance and transformer are distributed in
In pcb board, occupied space is larger, causes Vehicular charger overall volume excessive.
Summary of the invention
In order to solve the above technical problems, the utility model provides a kind of LLC resonant converter, for solving individually
The transformer and resonant inductance being arranged on pcb board cause the problem that occupied space is big and heat dissipation effect is poor.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of LLC resonant converter, including connection
Shell and insulator foot together are provided at least one resonant inductance and at least one transformer on the insulator foot,
The shell is set on resonant inductance and transformer, is arranged between the resonant inductance and the transformer and the shell
There is heat conduction silicone, the insulator foot at least side is provided with mounting hole.
Further, the shell uses aluminum hull or copper shell.
Further, the heat conduction silicone is potted between the resonant inductance and the transformer and the shell,
Be provided at least one glue filling opening on the insulator foot, the glue filling opening for realizing resonant inductance and transformer encapsulating.
Further, air hole is provided on the shell.
Further, the insulator foot is provided with isolation channel between the mounting hole and the shell.
Further, multipair outlet hole is provided on the insulator foot, the multipair outlet hole is used for resonant inductance or change
Depressor pin outlet.
Further, the resonant inductance and transformer is vertical is mounted on the insulator foot.
Further, the insulator foot is provided with fixed frame, and the fixed frame is for fixing resonant inductance and transformer.
Further, the insulator foot is provided with isolation board, and the isolation board is for being isolated resonant inductance and transformer.
Further, the bottom end of the shell snaps on the insulator foot.
The beneficial effects of the utility model are: the utility model is arranged in same housing with by resonant inductance and transformer
The sky that multiple shells occupy on pcb board is reduced the problem of can encapsulating to avoid electrical component one shell of needs in portion
Between；Compared to conventional ordinary resin, the utility model is provided with thermal conductive silicon between resonant inductance and transformer and shell
Glue-line is conducive to improve radiating efficiency, since glue is insulator, can protect well resonant inductance under working condition and
Transformer, and because product is sealing encapsulating, noise insulation controls noise pollution, will greatly reduce installation cost.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of main view of preferred embodiment of the utility model；
Fig. 2 is a kind of top view of preferred embodiment of the utility model；
Fig. 3 is a kind of bottom view of preferred embodiment of the utility model；
Fig. 4 is a kind of left view of preferred embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below with reference to embodiment and
The technical effect of the design of the utility model, specific structure and generation is clearly and completely described in attached drawing, with sufficiently geographical
Solve the purpose of this utility model, feature and effect.Obviously, described embodiment is that a part of the utility model is implemented
Example, rather than whole embodiments, those skilled in the art's other realities obtained without creative efforts
Example is applied, the range of the utility model protection is belonged to.
It referring to Fig.1, is a kind of preferably embodiment, a kind of LLC resonant converter, including the shell 1 to link together
With insulator foot 2, at least one resonant inductance and at least one transformer, 1 set of the shell are provided on the insulator foot 2
It is located on resonant inductance and transformer, is provided with thermal conductive silicon between the resonant inductance and the transformer and the shell 1
Glue-line, compared with conventional ordinary resin, the present embodiment, which is more advantageous to, to be improved radiating efficiency and provides Vibrant buffer, and reduction is made an uproar
Sound leaks, and the insulator foot 2 at least side is provided with the mounting hole 3, Ke Yigu for installing and fixing metal-oxide-semiconductor or triode
Determine metal-oxide-semiconductor or triode, metal-oxide-semiconductor or triode is avoided to tilt.
Referring to Fig.1 and 2, the shell 1 uses aluminum hull or copper shell, the present embodiment uses aluminum hull, can further mention
Height is mounted on the radiating efficiency of transformer and resonant inductance inside shell 1.
Referring to figure 3., the heat conduction silicone be potted in the resonant inductance and the transformer and the shell 1 it
Between, at least one glue filling opening 6 is provided on the insulator foot 2, the glue filling opening 6 is used in shell 1 and 2 snapping of insulator foot
After pour into heat conductive silica gel, realize the encapsulating of resonant inductance and transformer.Multiple air holes 5 are provided on the shell 1, it is described
Stomata 5 is for the air in shell 1 to be discharged when pouring into heat conductive silica gel.
Referring to figure 3., in order to facilitate wiring, multipair outlet hole 4, the multipair outlet are provided on the insulator foot 2
Hole 4 is used for resonant inductance or transformer lead pin outlet.
Referring to figure 4., isolation channel 7 is provided between the mounting hole 3 and the shell 1, the isolation channel 7 is for installing
Radiating insulating piece is conducive to improve the radiating efficiency between shell 1, metal-oxide-semiconductor or triode, and the radiating insulating piece is using heat dissipation
Potsherd.
In order to reduce the occupied space of LLC resonant converter, the resonant inductance and transformer is vertical is mounted on
On the insulator foot 2.
In order to make the stability of the resonant inductance and the transformer, the insulator foot 2 is provided with fixed frame, described
Fixed frame is for fixing resonant inductance and transformer.
In order to avoid impacting mutually between the transformer and resonant inductance in work, the insulator foot 2 is provided with
Isolation board, the isolation board can fix spacing between the two, to avoid in encapsulating for resonant inductance and transformer to be isolated
Resonant inductance can be contacted by crossing Cheng Qian's transformer, to influence the normal performance of product.
In order to improve the production efficiency, the shell 1 and the insulator foot 2 use snapping form, and realization can be facilitated automatic
Change assembling, the bottom end of shell 1 described in the present embodiment snaps on the insulator foot 2.
The above, the only better embodiment of the utility model, but the utility model is not limited to above-mentioned reality
Example is applied, as long as its technical effect for reaching the utility model with any same or similar means, all should belong to the utility model
Protection scope.
Claims (10)
1. a kind of LLC resonant converter, it is characterised in that: described including the shell (1) and insulator foot (2) to link together
At least one resonant inductance and at least one transformer are provided on insulator foot (2), the shell (1) is set in resonant inductance
On transformer, heat conduction silicone is provided between the resonant inductance and the transformer and the shell (1), it is described exhausted
Edge pedestal (2) at least side is provided with mounting hole (3).
2. LLC resonant converter according to claim 1, it is characterised in that: the shell (1) uses aluminum hull or copper shell.
3. LLC resonant converter according to claim 1, it is characterised in that: the heat conduction silicone is potted in described humorous
It shakes between inductance and the transformer and the shell (1), is provided at least one glue filling opening on the insulator foot (2)
(6), the glue filling opening (6) for realizing resonant inductance and transformer encapsulating.
4. LLC resonant converter according to claim 1, it is characterised in that: be provided with air hole on the shell (1)
(5)。
5. LLC resonant converter according to claim 1, it is characterised in that: the insulator foot (2) is located at the installation
Isolation channel (7) are provided between hole (3) and the shell (1).
6. LLC resonant converter according to claim 1, it is characterised in that: be provided on the insulator foot (2) multipair
Outlet hole (4), the multipair outlet hole (4) are used for resonant inductance or transformer lead pin outlet.
7. LLC resonant converter according to claim 1, it is characterised in that: the resonant inductance and the transformer are equal
It is vertical to be mounted on the insulator foot (2).
8. LLC resonant converter according to claim 1, it is characterised in that: the insulator foot (2) is provided with fixation
Frame, the fixed frame is for fixing resonant inductance and transformer.
9. LLC resonant converter according to claim 1, it is characterised in that: the insulator foot (2) is provided with isolation
Plate, the isolation board is for being isolated resonant inductance and transformer.
10. LLC resonant converter according to claim 1, it is characterised in that: the bottom end of the shell (1) snaps onto institute
It states on insulator foot (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821599898.9U CN208924090U (en) | 2018-09-29 | 2018-09-29 | A kind of LLC resonant converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821599898.9U CN208924090U (en) | 2018-09-29 | 2018-09-29 | A kind of LLC resonant converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208924090U true CN208924090U (en) | 2019-05-31 |
Family
ID=66707664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821599898.9U Active CN208924090U (en) | 2018-09-29 | 2018-09-29 | A kind of LLC resonant converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208924090U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729099A (en) * | 2019-10-24 | 2020-01-24 | 珠海黎明云路新能源科技有限公司 | Integrated combined transformer |
| CN112927892A (en) * | 2021-01-26 | 2021-06-08 | 佛山市中研非晶科技股份有限公司 | Energy-saving environment-friendly high-energy transformer |
| US12200889B2 (en) | 2021-08-31 | 2025-01-14 | Delta Electronics, Inc. | Power supply device with stacked circuit boards and thermal gel contacting magnetic member |
-
2018
- 2018-09-29 CN CN201821599898.9U patent/CN208924090U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729099A (en) * | 2019-10-24 | 2020-01-24 | 珠海黎明云路新能源科技有限公司 | Integrated combined transformer |
| CN112927892A (en) * | 2021-01-26 | 2021-06-08 | 佛山市中研非晶科技股份有限公司 | Energy-saving environment-friendly high-energy transformer |
| US12200889B2 (en) | 2021-08-31 | 2025-01-14 | Delta Electronics, Inc. | Power supply device with stacked circuit boards and thermal gel contacting magnetic member |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |