CN203675498U - Power supply module - Google Patents
Power supply module Download PDFInfo
- Publication number
- CN203675498U CN203675498U CN201420037079.0U CN201420037079U CN203675498U CN 203675498 U CN203675498 U CN 203675498U CN 201420037079 U CN201420037079 U CN 201420037079U CN 203675498 U CN203675498 U CN 203675498U
- Authority
- CN
- China
- Prior art keywords
- power supply
- supply module
- cap body
- metal shell
- metal cap
- 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.)
- Expired - Lifetime
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- 239000002184 metal Substances 0.000 claims abstract description 128
- 238000009413 insulation Methods 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Images
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model provides a power supply module, which comprises a circuit board; a metal shell, which is an inverted U-shaped body, and a plurality of buckling parts are arranged at the flange of the metal shell; and a metal cover body, the metal cover body is in an inverted U-shaped body corresponding to the metal shell body, a plurality of buckling parts are also arranged at the positions of the metal cover body corresponding to the buckling parts of the metal shell body, the metal shell body and the metal cover body are assembled in a buckling mode through the buckling parts and the buckling parts, and the circuit board is arranged between the metal shell body and the metal cover body, so that the metal shell body and the metal cover body form a six-sided metal shielding structure to isolate electromagnetic wave interference.
Description
Technical field
The utility model is about a kind of power supply module, in specific words, relate to especially a kind of utilize the clamping part of metal shell and the snapping portion of metal cap body mutually group connect and reach the power supply module of continuous six metallic shield EMI.
Background technology
Along with the quick evolution of electronics technology, such as computer or electronic digit product etc. are also upgraded increasingly.At application integrated circuit (the Integrated Circuit of computer or electronic digit product, be called for short IC) in, due to the quick variation of semiconductor fabrication process, cause the more diversified demand of ic power, so that the pulse width modulation voltage stabilizer that application is combined as various different electrical power modules such as stepup transformer (Boost Converter), reducing transformers (Buck Converter), can different electrical power demand that reach various integrated circuits, also become one of factor of the utmost importance of diversified electronic digit product is provided.
Power supply module has been widely used in various electronic equipments, and its role is to outside the first current conversion is the second electric current, to offer this electronic equipment load current.But; electronic component in power supply module usually can divergent electromagnetic radiated interference periphery electronic circuit or equipment, not only cause the unstable or remarkable action of peripheral circuit, affect health simultaneously; must there be more reduction electromagnetic interference solutions, to pass through the requirement of EMI regulation limitations.
Existing power supply module is that shell and lid are welded together mutually, and before weld job, must heat in advance lid, and this pre-heated step is in order to be beneficial to artificial weld job below.Wherein this welding procedure difficulty and welding quality are inhomogeneous, must have high welding stability, so cost cost is quite high.Moreover, after having welded, must be manually to carry out the chamfered edge operation of power supply module, the burr that produce during to welding are repaired, and next must continue polishing operation, make its solder joint can be more smooth.And in the process of chamfered edge, finishing, polishing, be all staff's operation in person, so staff has certain work injury risk to exist.In addition, owing to being manual work, so the power supply module completing is to depend on staff's individual skill and working experience number and determine in the quality of chamfered edge, finishing, polishing, therefore existing power supply module still has disappearance and haves much room for improvement.
Utility model content
The technical problems to be solved in the utility model is: a kind of power supply module that can improve or overcome the problems referred to above is provided.
The technical scheme that the utility model is dealt with problems is: a kind of power supply module is provided, comprises: a circuit board; One metal shell, this metal shell is a ㄇ type body, and this metal shell flange place is provided with multiple clamping parts; An and metal cap body, this metal cap body is to being the type of falling a ㄇ body by metal shell, this metal cap body is also provided with multiple snapping portion to multiple clamping parts place that should metal shell, this metal shell and metal cap body connect with snapping mode group by this clamping part and snapping portion, and this circuit board is placed between this metal shell and this metal cap body, make this metal shell and this metal cap body form one or six metallic shields, disturb with isolating electromagnetic.
Preferably, the clamping part of this metal shell is a protuberance, and the snapping portion of this metal cap body is a shrinkage pool.
Preferably, the clamping part of this metal shell is a shrinkage pool, and the snapping portion of this metal cap body is a protuberance.
Preferably, this circuit board is provided with at least one pin, and this power supply module is to be welded on an electronic component by this pin.
Preferably, this metal cap body is provided with multiple holes, these holes be mutually should circuit board pin.
Preferably, this power supply module further comprises one first insulating trip, is located between this metal shell and this circuit board, in order to this metal shell of electric insulation and this circuit board.
Preferably, this metal cap body is stainless steel.
Preferably, this power supply module further comprises one second insulating trip, is located between this metal cap body and this circuit board, in order to this metal cap body of electric insulation and this circuit board.
Preferably, this power supply module further comprises one the 3rd insulating trip, is located at side outside this metal cap body, the 3rd insulating trip in the time that this power supply module is installed on an electronic component in order to this metal cap body of electric insulation and this electronic component.
Preferably, the 3rd insulating trip is the epoxy glass fiber circuit board (FR4PCB) of not cupric.
Preferably, this power supply module further comprises a bonding conductor, connects this circuit board and this metal shell, in order to reduce electromagnetism conduction and radiated interference.
Preferably, this power supply module further comprises a bonding conductor, connects this circuit board and this metal cap body, in order to reduce electromagnetism conduction and radiated interference.
This power supply module of the present utility model, its metal shell and metal cap body utilize respectively its clamping part and snapping portion mutually group connect, to complete power supply module, and need not be via the procedure such as chamfered edge, finishing and polishing, and metal shell and metal cap body form continuous six metallic shields, disturb with isolating electromagnetic.Compared to existing power supply module, the utlity model has preferably finished product completeness, and can reduce manufacturing cost and the minimizing personnel injury risk of working.
Brief description of the drawings
Figure 1A is the constitutional diagram of overlooking that shows the utility model power supply module.
Figure 1B is the top exploded view that shows the utility model power supply module.
Fig. 2 A is the constitutional diagram of looking up that shows the utility model power supply module.
Fig. 2 B is the exploded view of looking up that shows the utility model power supply module.
Fig. 3 is the exploded view that shows metal shell of the present utility model and metal cap body.
Symbol description:
1 power supply module
2 circuit boards
21 pins
3 metal shells
31 clamping parts
32 upper walls
33 sidewalls
4 metal cap body
41 snapping portions
42 lower walls
43 sidewalls
44 holes
5 first insulating trips
6 second insulating trips
61 holes
7 the 3rd insulating trips
71 holes
Embodiment
Although the utility model contains the appended graphic of the utility model preferred embodiment and fully describes consulting, before describing, this should be appreciated that the personage who is familiar with one's own profession can revise utility model described herein, obtains effect of the present utility model simultaneously.Therefore, Yan Weiyi discloses widely to being familiar with the personage of one's own profession skill must to understand above description, and its content does not lie in restriction the utility model.
Refer to Figure 1A, Figure 1B, Fig. 2 A, Fig. 2 B and Fig. 3, it shows respectively overlooking constitutional diagram, top exploded view, look up constitutional diagram, looking up the exploded view of exploded view and metal shell of the present utility model and metal cap body of the utility model power supply module.The utility model power supply module 1 comprises a circuit board 2; One metal shell 3, this metal shell 3 is a ㄇ type (similar inverted U-shaped) body, and the flange place of this metal shell 3 is provided with multiple clamping parts 31; And a metal cap body 4, this metal cap body 4 is to being a type of falling ㄇ (U-shaped like) body by metal shell 3, and this metal cap body 4 is also provided with multiple snapping portion 41 to multiple clamping parts 31 places that should metal shell 3.Wherein, this metal shell 3 have a upper wall 32 and multiple from this upper wall 32 sidewall 33 to downward-extension, and this clamping part 31 is to be located on the sidewall 33 of this metal shell 3.This metal cap body 4 has a lower wall 42 and multiple from the upwardly extending sidewall 43 of this lower wall 42, and this snapping portion 41 is located on the sidewall 43 of this metal cap body 4.It is worth mentioning that, the clamping part 31 of this metal shell 3 is a protuberance for projection to the inside, and the snapping portion 41 of this metal cap body 4 is a shrinkage pool, is beneficial to and this clamping part 31 is worked in coordination.Preferably, this metal cap body 4 is stainless steel.In another kind of embodiment, the clamping part 31 of this metal shell 3 can be a shrinkage pool, and the snapping portion 41 of this metal cap body 4 can be a protuberance to a side projection, by the cooperation of protuberance therewith of this shrinkage pool, this metal shell 3 is connected with group mutually with this metal cap body 4.This metal shell 3 is grouped together in snapping mode by this clamping part 31 and this snapping portion 41 with this metal cap body 4, and this circuit board 2 is placed between this metal shell 3 and this metal cap body 4, make this metal shell 3 form continuous six metallic shields (i.e. the lower wall 42 of the upper wall 32 of this metal shell 3, sidewall 33 and this metal cap body 4, sidewall 43) with this metal cap body 4, disturb with isolating electromagnetic.Preferably, the utility model power supply module 1 further comprises a bonding conductor (not shown), and this bonding conductor connects this circuit board 2 with this metal shell 3 or is connected this circuit board 2 and this metal cap body 4, in order to reduce electromagnetism conduction and radiated interference.
Preferably, this circuit board 2 is provided with at least one pin 21 to downward-extension, and this metal cap body 4 is provided with multiple holes 44, and these holes 44 are the pins 21 corresponding to this circuit board 2, pass for the pin 21 of this circuit board 2.The utility model power supply module 1 further comprises one first insulating trip 5, and this first insulating trip 5 is located between this metal shell 3 and this circuit board 2, in order to electric insulation this metal shell 3 and this circuit board 2.The utility model power supply module 1 further comprises one second insulating trip 6, this second insulating trip 6 is located between this metal cap body 4 and this circuit board 2, in order to electric insulation this metal cap body 4 and this circuit board 2, wherein this second insulating trip 6 is provided with multiple holes 61, can pass in order to the pin 21 of this circuit board 2.The utility model power supply module 1 further comprises one the 3rd insulating trip 7, the three insulating trips 7 is located at the outside of this metal cap body 4, and wherein the 3rd insulating trip 7 is provided with multiple holes 71, can pass in order to the pin 21 of this circuit board 2.Complete after the assembling of the utility model power supply module 1, the utility model power supply module 1 is to be welded in an electronic component (not shown) by this pin 21, wherein the 3rd insulating trip 7 in the time that this power supply module 1 is installed on this electronic component in order to this metal cap body of electric insulation 4 and this electronic component.Preferably, the 3rd insulating trip 7 is epoxy glass fiber circuit boards (FR4PCB) of not cupric.
It is worth mentioning that, in this graphic shown preferred embodiment, this clamping part 31 is to be located on the minor face sidewall 33 of this metal shell 3, and this snapping portion 41 is located on the minor face sidewall 43 of this metal cap body 4.In another preferred embodiment, this clamping part 31 can be located on the long side wall 33 of this metal shell 3, and this snapping portion 41 can be located on the long side wall 43 of this metal cap body 4.
The advantage of the utility model power supply module is:
Metal shell has clamping part (for example: protuberance), for example, and metal cap body has snapping portion (: shrinkage pool), by coordinating of clamping part and snapping portion, make metal shell and metal cap body mutually group connect, to form continuous six metal housings; When the utility model power supply module is for example welded on, on an electronic component (: motherboard) by pin, continuous six metallic shields can reduce the electromagnetic interference that inner switched-mode power supply circuit produces.
The 3rd insulating trip can use not epoxy glass fiber circuit board (FR4PCB) or other insulating trip of cupric, while making power supply module for example be installed in, on an electronic component (: motherboard), can keep electric insulation and avoid short circuit.
Describing in detail after preferred embodiment of the present utility model, be familiar with this technology personage and can clearly understand, can carry out various variations and change not departing under claim, and the utility model is not also limited to the execution mode of illustrated embodiment in specification.
Claims (12)
1. a power supply module, is characterized in that, this power supply module comprises:
One circuit board;
One metal shell, this metal shell is a ㄇ type body, and this metal shell flange place is provided with multiple clamping parts; And
One metal cap body, this metal cap body is to being the type of falling a ㄇ body by metal shell, this metal cap body is provided with multiple snapping portion to multiple clamping parts place that should metal shell, this metal shell and this metal cap body connect with snapping mode group by this clamping part and snapping portion, this circuit board is placed between this metal shell and this metal cap body, and this metal shell and this metal cap body form one or six metallic shield structures.
2. power supply module according to claim 1, is characterized in that, the clamping part of this metal shell is a protuberance, and the snapping portion of this metal cap body is a shrinkage pool.
3. power supply module according to claim 1, is characterized in that, the clamping part of this metal shell is a shrinkage pool, and the snapping portion of this metal cap body is a protuberance.
4. power supply module according to claim 1, is characterized in that, this circuit board is provided with at least one pin, and this power supply module is to be welded on an electronic component by described pin.
5. power supply module according to claim 4, is characterized in that, this metal cap body is provided with multiple holes, and described hole is corresponding with the pin of this circuit board.
6. power supply module according to claim 1, is characterized in that, this power supply module further comprises one first insulating trip, and this first insulating trip is located between this metal shell and this circuit board, in order to this metal shell of electric insulation and this circuit board.
7. power supply module according to claim 1, is characterized in that, this metal cap body is the metal cap body that stainless steel is made.
8. power supply module according to claim 1, is characterized in that, this power supply module further comprises one second insulating trip, and this second insulating trip is located between this metal cap body and this circuit board, with this metal cap body of electric insulation and this circuit board.
9. power supply module according to claim 1, it is characterized in that, this power supply module further comprises one the 3rd insulating trip, is located at the outside of this metal cap body, the 3rd insulating trip in the time that this power supply module is installed on an electronic component in order to this metal cap body of electric insulation and this electronic component.
10. power supply module according to claim 9, is characterized in that, the 3rd insulating trip is the epoxy glass fiber circuit board of not cupric.
11. power supply modules according to claim 1, is characterized in that, this power supply module further comprises a bonding conductor, connect this circuit board and this metal shell, to reduce electromagnetism conduction and radiated interference.
12. power supply modules according to claim 1, is characterized in that, this power supply module further comprises a bonding conductor, connect this circuit board and this metal cap body, to reduce electromagnetism conduction and radiated interference.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102219893U TWM472395U (en) | 2013-10-25 | 2013-10-25 | Power supply module |
| TW102219893 | 2013-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203675498U true CN203675498U (en) | 2014-06-25 |
Family
ID=50551895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420037079.0U Expired - Lifetime CN203675498U (en) | 2013-10-25 | 2014-01-21 | Power supply module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203675498U (en) |
| TW (1) | TWM472395U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016090999A1 (en) * | 2014-12-11 | 2016-06-16 | 中兴通讯股份有限公司 | Radio frequency shielding box |
| CN106489185A (en) * | 2014-07-17 | 2017-03-08 | Bsh家用电器有限公司 | There is the user interface of the electronics of screening arrangement |
-
2013
- 2013-10-25 TW TW102219893U patent/TWM472395U/en not_active IP Right Cessation
-
2014
- 2014-01-21 CN CN201420037079.0U patent/CN203675498U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489185A (en) * | 2014-07-17 | 2017-03-08 | Bsh家用电器有限公司 | There is the user interface of the electronics of screening arrangement |
| CN106489185B (en) * | 2014-07-17 | 2019-11-26 | Bsh家用电器有限公司 | The user interface of electronics with screening arrangement |
| WO2016090999A1 (en) * | 2014-12-11 | 2016-06-16 | 中兴通讯股份有限公司 | Radio frequency shielding box |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM472395U (en) | 2014-02-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |