CN204497999U - Power module - Google Patents
Power module Download PDFInfo
- Publication number
- CN204497999U CN204497999U CN201520138262.4U CN201520138262U CN204497999U CN 204497999 U CN204497999 U CN 204497999U CN 201520138262 U CN201520138262 U CN 201520138262U CN 204497999 U CN204497999 U CN 204497999U
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- Prior art keywords
- circuit board
- cover plate
- shell
- power module
- acupuncture needle
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Abstract
The utility model relates to field of power supplies, in particular to a kind of power module.Its shell, circuit board and cover plate; Described circuit board is arranged in described shell; Described cover plate is arranged on the opening part of described shell, for being sealed in described shell by described circuit board.The power module that the utility model provides, cover plate is set to seal cover board, first the circuit board encapsulating in shell is fixed cover plate again, because opening is comparatively large, improve efficiency and the quality of encapsulating, and owing to being fixed cover plate again after encapsulating, cover plate is separated with the glue in shell, and then cover plate is dismantled, power module is keeped in repair, improves maintainability and the operating reliability of power module.
Description
Technical field
The utility model relates to field of power supplies, in particular to a kind of power module.
Background technology
Power module directly to mount power supply unit on a printed circuit, is characterized in can be application-specific integrated circuit (ASIC) (ASIC), digital signal processor (DSP), microprocessor, memory, field programmable gate array (FPGA) and other numerals or fictitious load provides power supply.
In general, this generic module is called POL (POL) power system or uses point source supply system (PUPS).Because the advantage of modular organization is a lot of, therefore modular power source is widely used in switching equipment, access device, mobile communication, microwave communication and the communications field such as optical transport, router and automotive electronics, Aero-Space etc.
Especially in recent years due to the develop rapidly of data service and the continuous popularization of distributed power supply system, the amplification of modular power source was beyond primary power source.Modular power source has buffer action, and antijamming capability is strong, carries defencive function, is convenient to integrated.Along with a large amount of uses of semiconductor technology, encapsulation technology and high-frequency soft switch, modular power source power density is increasing, and conversion efficiency is more and more higher, applies also more and more simpler.
People are the power electronic device that limit exploitation is relevant in switch power technology field, limit exploitation switch converter technique, both mutually promote and promote Switching Power Supply every year to exceed the growth rate of two digits towards light, little, thin, low noise, highly reliable, jamproof future development.Switching Power Supply can be divided into the large class of AC/DC and DC/DC two, DC/DC converter now realizes modularization, and all ripe and standardization at home and abroad of designing technique and production technology, and obtained the accreditation of user, but the modularization of AC/DC, characteristic because of himself makes in modular process, runs into comparatively complicated technology and manufacture technics problem.
In the prior art, prior art mostly is pcb board and welds with cover plate, and side edge thereof place is designed with two row's welding holes, can go out pin weld with power module, plays fixing and electrical equipment connection function, has a Long Circle hollow out in the middle part of power supply shell upper cover, used for follow-up encapsulating.
Such setting, compares and expends the operating time, and the rate of finished products after encapsulating is low, and maintainability can not operate, and efficiency is low.
Utility model content
The purpose of this utility model is to provide a kind of power module, to solve the above problems.
Embodiments provides a kind of power module of the present utility model, comprise shell, circuit board and cover plate;
Described circuit board is arranged in described shell;
Described cover plate is arranged on the opening part of described shell, for being sealed in described shell by described circuit board.
Further, the two ends of described circuit board are respectively arranged with many acupuncture needles;
One end of described acupuncture needle is fixedly installed on described circuit board, and the other end is stretched in described housing exterior.
Arrange many acupuncture needles respectively at the two ends of circuit board, arranged on circuit boards acupuncture needle one end, the other end is arranged on housing exterior.Not only circuit board can be connected with external circuits by acupuncture needle by the acupuncture needle being arranged on housing exterior, come the position of control circuit board in shell by acupuncture needle again, and then make the function of circuit board reach best.
Further, described acupuncture needle is provided with chuck;
Described chuck is arranged on described acupuncture needle one end near described circuit board.
In one end of acupuncture needle, chuck is set, when acupuncture needle is installed, chuck is arranged on the one end near circuit board, cover plate is separated by chuck and circuit board, and then ensure that, between cover plate and circuit board, there is certain gap, when colliding to avoid extraneous degree cover plate, circuit board is caused damage, and then affect the life-span of power module.
Further, the described acupuncture needle of four Angle Position on described circuit board is provided with screw thread;
Described screw thread is arranged on described acupuncture needle one end near described circuit board.
Be provided with screw thread by the acupuncture needle of circuit board four Angle Position, and threaded one end is arranged in the enclosure.And being set to fastener hole at cover plate through the hole of this acupuncture needle, its aperture comparatively other apertures wants large, enables fastener hole through less nut, circuit board and cover plate is threaded connection and is fixed, to ensure the installation stability of cover plate.
Further, the two ends of described circuit board are respectively arranged with working plate;
Described working plate is arranged on described acupuncture needle.
Acupuncture needle arranges working plate, hard contact between chuck with cover plate can be become soft contact, and make the small size between cover plate with chuck contact the bump contact become between cover plate and working plate, and then the degree of wear of cover plate can be reduced, improve the useful life of cover plate.
Further, described working plate is provided with multiple through hole;
The quantity of described through hole is identical with the acupuncture needle quantity of described circuit board one end, can be linked together by all acupuncture needles of described working plate by described circuit board one end.
Further, the acupuncture needle quantity at described circuit board two ends is identical.
The acupuncture needle quantity at circuit board two ends is set to identical quantity, be that the connection carrying out acupuncture needle makes like this, identical template can be used simultaneously to be arranged on circuit boards by the acupuncture needle at two ends, both reduced the time cost of production, again reduce the human cost of production, make operation become easily simple.
Further, the acupuncture needle at described circuit board two ends becomes word order.
Acupuncture needle is carried out word order, not only attractive in appearance in shape, and also set-up mode is simple, processing ease, and on the cover board carrying out punches also becomes comparatively simple, reduces time cost and the human cost of production.
Further, described shell is provided with fixed head;
Described fixed head is arranged on the openend of described shell, described cover plate can be fixed on the housing by fixed head described in bending.
Two fixed heads are respectively set in the both sides of the openend of shell, cover plate are arranged on after on acupuncture needle, bending fixed head, make fixed head vertical with the side plate of shell, cover plate is stuck between fixed head and shell, and then cover plate cannot be come off from shell, complete fixing cover plate
Further, gap is provided with between described circuit board and described shell.
Be provided with gap by between circuit board and shell, can conveniently adjust circuit board position in the enclosure, can optimum efficiency be reached.
The power module that the utility model provides, cover plate is set to seal cover board, first the circuit board encapsulating in shell is fixed cover plate again, because opening is comparatively large, improve the quality of encapsulating, and owing to being fixed cover plate again after encapsulating, cover plate is separated with the glue in shell, and then cover plate is dismantled, power module is keeped in repair, improves the useful life of power module.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is execution modes more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model power module;
Fig. 2 is the vertical view figure of the utility model power module;
Fig. 3 is the perspective view of the utility model power module.
Reference numeral:
1: shell 2: acupuncture needle 3: working plate
4: chuck 5: fixed head 6: cover plate
7: circuit board 8: fastener hole
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, carry out clear, complete description by the technical solution of the utility model below.Obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope that the utility model is protected.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, also it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
As shown in drawings, the utility model provides a kind of power module, comprises shell 1, circuit board 7 and cover plate 6;
Described circuit board 7 is arranged in described shell 1;
Described cover plate 6 is arranged on the opening part of described shell 1, for being sealed in described shell 1 by described circuit board 7.
Shell 1 is become the shape of casing by polylith thin plate splicing, its one end open, the other end is closed.Circuit board 7 is put into after in shell 1 from opening part, starts to carry out encapsulating, circuit board 7 is fixed in shell 1, after encapsulating to be done, by cover plate 6 from opening part sealing, complete the fabrication and installation of power module.
In existing power module, be all circuit board 7 is placed in after in shell 1, directly by cover plate 6 closure 1 with the hole for injecting glue of Long Circle hollow type, then by hole for injecting glue, glue filled with in shell 1, circuit board 7 is fixed in shell 1.
The mounting means of existing power module causes easily making encapsulating insufficient, firm to the fixed part of circuit board 7, and due to the existence of hole for injecting glue, and make glue partial denudation in it outside, and then power module is easily damaged, rate of finished products is low.
By set-up mode of the present utility model; closed cover 6 is carried out again after first encapsulating; and cover plate 6 seals completely shell 1; glue in shell 1 is completely isolated with extraneous environment; improve the Vaccine effectiveness to circuit board 7; make circuit board 7 not fragile, be namely equivalent to the life-span that improve circuit board 7, improve the useful life of whole power module.
Be preferred embodiment that the two ends of described circuit board 7 are respectively arranged with many acupuncture needles 2;
One end of described acupuncture needle 2 is fixedly installed on described circuit board 7, and the other end is stretched at described shell 1 outside.
Arrange many acupuncture needles 2 respectively at the two ends of circuit board 7, be arranged on circuit board 7 by acupuncture needle 2 one end, it is outside that the other end is arranged on shell 1.Not only circuit board 7 can be connected with external circuits by acupuncture needle 2 by the acupuncture needle 2 being arranged on shell 1 outside, come the position of control circuit board 7 in shell 1 by acupuncture needle 2 again, and then make the function of circuit board 7 reach best.
Acupuncture needle 2 is the metal needle of conduction, and its one end is fixed on circuit board 7, and with the circuit communication on circuit board 7, the other end stretches out shell 1, in use, only its external part need be connected the power supply that can realize external circuits with external circuit.
Be preferred embodiment that described acupuncture needle 2 is provided with chuck 4;
Described chuck 4 is arranged on described acupuncture needle 2 one end near described circuit board 7.
In one end of acupuncture needle 2, chuck 4 is set, when acupuncture needle 2 is installed, chuck 4 is arranged on the one end near circuit board 7, cover plate 6 is separated with circuit board 7 by chuck 4, and then ensure that, between cover plate 6 and circuit board 7, there is certain gap, when colliding to avoid outer bound pair cover plate 6, circuit board 7 is caused damage, and then affect the life-span of power module.
Chuck 4 is set to plane away from one end of circuit board 7, to make cover plate 6 can be arranged in parallel with circuit board 7, avoids the installation of cover plate 6 on acupuncture needle 2 unstable.
Many acupuncture needles 2 are provided with chuck 4, and each chuck 4 is all arranged in one plane away from one end of circuit board 7, to ensure the stationarity of support and the depth of parallelism of cover plate 6 and circuit board 7 of all chuck 4 pairs of cover plates 6.
Be preferred embodiment that the described acupuncture needle 2 of four Angle Position on described circuit board 7 is provided with screw thread;
Described screw thread is arranged on described acupuncture needle 2 one end near described circuit board 7.
Be provided with screw thread by the acupuncture needle 2 of circuit board 7 four Angle Position, and threaded one end is arranged in shell 1.And being set to fastener hole 8 in the hole that cover plate 6 passes this acupuncture needle 2, its aperture comparatively other apertures wants large, and fastener hole 8 through less nut, can be made circuit board 7 and cover plate 6 be threaded connection and be fixed, to ensure installation stability and the operability of cover plate 6.
It is pointed out that the position of screw thread can be arranged on acupuncture needle 2 one end near circuit board 7, i.e. the inner side of cover plate 6, also can be the outside being arranged on cover plate 6.The outside being arranged on cover plate 6 makes, and it is installed can be more convenient, just hidden not, and aesthetically unlike being arranged on inner side, concrete set-up mode can be selected according to the custom of user.
Also it is to be noted, what adopt in the present embodiment is be threaded with cover plate 6 by acupuncture needle 2, but acupuncture needle 2 is not only confined to be threaded with the connected mode of cover plate 6, and it can also be other modes, as bonding, crimping etc., as long as acupuncture needle 2 and cover plate 6 can be fixed together by it.
Be preferred embodiment that the two ends of described circuit board 7 are respectively arranged with working plate 3;
Described working plate 3 is arranged on described acupuncture needle 2.
Acupuncture needle 2 arranges working plate 3, by the Contact of chuck 4 with cover plate 6, can facilitate to make its pin and play spacing effect.
It is convenient and simple that working plate 3 carries out replacing after wearing and tearing, and the cost opposing cover plates 6 of working plate 3 is less, changes and can continue to use, both improve the useful life of power module, and again reduced the cost of power module after working plate 3 weares and teares.
It is pointed out that the material of working plate 3 can be epoxy plate, also can be high-temperature resistance plastice, as long as it can reach smooth, without being out of shape.
Also it is pointed out that circuit board 7 arranges one piece of working plate 3, farthest can improve the contact area of working plate 3 and cover plate 6.
Be preferred embodiment that described working plate 3 is provided with multiple through hole;
The quantity of described through hole is identical with acupuncture needle 2 quantity of described circuit board 7 one end, can be linked together by all acupuncture needles 2 of described working plate 3 by described circuit board 7 one end.
Be preferred embodiment that acupuncture needle 2 quantity at described circuit board 7 two ends is identical.
Acupuncture needle 2 quantity at circuit board 7 two ends is set to identical quantity, that the connection carrying out acupuncture needle 2 makes like this, identical template can be used to be arranged on circuit board 7 by the acupuncture needle 2 at two ends simultaneously, both the time cost of production had been reduced, again reduce the human cost of production, make operation become easily simple.
Be preferred embodiment, the acupuncture needle 2 one-tenth word order at described circuit board 7 two ends.
Acupuncture needle 2 is carried out word order, not only attractive in appearance in shape, and also set-up mode is simple, processing ease, and cover plate 6 carrying out to punch also becomes comparatively simple, reduces time cost and the human cost of production.
Be preferred embodiment that described shell 1 is provided with fixed head 5;
Described fixed head 5 is arranged on the openend of described shell 1, described cover plate 6 can be fixed on described shell 1 by fixed head described in bending 5.
Two fixed heads 5 are respectively set in the both sides of the openend of shell 1, cover plate 6 are arranged on after on acupuncture needle 2, bending fixed head 5, make fixed head 5 vertical with the side plate of shell 1, cover plate 6 is stuck between fixed head 5 and shell 1, and then cover plate 6 cannot be come off from shell 1, complete fixing cover plate 6.
Be preferred embodiment be provided with gap between described circuit board 7 and described shell 1.
Be provided with gap by between circuit board 7 and shell 1, can conveniently adjust the position of circuit board 7 in shell 1, can optimum efficiency be reached.
The setting in its gap, can be realized by fixture, as used clip to clamp acupuncture needle 2, determines the position of circuit board 7 in shell 1 by the position pressing from both sides acupuncture needle 2.
It is to be noted, when the length of clip is greater than the width of shell 1, it can after choosing the position of circuit board 7, clip load is located on shell 1, can to encapsulating in shell 1, and then the below of circuit board 7 is entered into from the gap around circuit board 7, what realize the position of circuit board 7 is fixing.
To sum up can draw, the embodiment of optimum of the present utility model can be set to following form:
Be divided into three part compositions: be respectively outer casing of power supply 1, outer casing of power supply 1 cover plate 6, PCB 7.A kind of power module shell 1 adds installing hole encapsulating structure, comprises module housing 1, module installing hole, component's feet, pin bores, cover plate 6, wiring board and components and parts.Shell 1 is bottomless rectangular structure, and the bottom surface of shell 1 is fixed with cover plate 6; The surperficial both sides of cover plate 6 have row's pin bores; Module goes out pin one end and is welded on PCB 7, and one end is connected with cover plate 6 in addition; It is inner that wiring board is fixed on module housing 1, wiring board is fixed with PCB 7 components and parts; PCB 7 comprises screw thread acupuncture needle 2 and chuck 4, more can be convenient to location, control height, dismantle, install.PCB 7 pin draws cover plate 6 by pin bores.Need to carry out encapsulating before cover plate 6 capsule, and then in addition capping, so compared with prior art more easily operate, encapsulating efficiency increases, and reaches without reprocessing target.The utility model production operation is convenient, production efficiency improves, and is easy to large-scale promotion.
The power module that the utility model provides, cover plate 6 is set to seal cover board 6, first circuit board 7 encapsulating in shell 1 is fixed cover plate 6 again, because opening is comparatively large, improve the quality of encapsulating, and owing to being fixed cover plate 6 again after encapsulating, cover plate 6 is separated with the glue in shell 1, and then cover plate 6 can be dismantled, power module is keeped in repair, improves the useful life of power module.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a power module, is characterized in that, comprises shell, circuit board and cover plate;
Described circuit board is arranged in described shell;
Described cover plate is arranged on the opening part of described shell, for being sealed in described shell by described circuit board;
The two ends of described circuit board are respectively arranged with many acupuncture needles;
One end of described acupuncture needle is fixedly installed on described circuit board, and the other end is stretched in described housing exterior.
2. power module according to claim 1, is characterized in that, described acupuncture needle is provided with chuck;
Described chuck is arranged on described acupuncture needle one end near described circuit board.
3. power module according to claim 1, is characterized in that, the described acupuncture needle of four Angle Position on described circuit board is provided with screw thread;
Described screw thread is arranged on described acupuncture needle one end near described circuit board.
4. power module according to claim 1, is characterized in that, the two ends of described circuit board are respectively arranged with working plate;
Described working plate is arranged on described acupuncture needle.
5. power module according to claim 4, is characterized in that, described working plate is provided with multiple through hole;
The quantity of described through hole is identical with the acupuncture needle quantity of described circuit board one end, can be linked together by all acupuncture needles of described working plate by described circuit board one end.
6. power module according to claim 1, is characterized in that, the acupuncture needle quantity at described circuit board two ends is identical.
7. power module according to claim 1, is characterized in that, the acupuncture needle at described circuit board two ends becomes word order.
8. power module according to claim 1, is characterized in that, described shell is provided with fixed head;
Described fixed head is arranged on the openend of described shell, described cover plate can be fixed on the housing by fixed head described in bending.
9. the power module according to any one of claim 1-8, is characterized in that, is provided with gap between described circuit board and described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520138262.4U CN204497999U (en) | 2015-03-11 | 2015-03-11 | Power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520138262.4U CN204497999U (en) | 2015-03-11 | 2015-03-11 | Power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204497999U true CN204497999U (en) | 2015-07-22 |
Family
ID=53577280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520138262.4U Expired - Fee Related CN204497999U (en) | 2015-03-11 | 2015-03-11 | Power module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204497999U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953200A (en) * | 2015-12-02 | 2017-07-14 | 法雷奥电机控制***公司 | Electronic card support member, sub-assembly, electric pressure converter and motor |
| CN108575068A (en) * | 2017-03-13 | 2018-09-25 | 宁德时代新能源科技股份有限公司 | battery control unit encapsulating structure and encapsulating method |
| US20210219078A1 (en) * | 2020-01-09 | 2021-07-15 | Sivantos Pte. Ltd. | Loudspeaker box and hearing device |
-
2015
- 2015-03-11 CN CN201520138262.4U patent/CN204497999U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953200A (en) * | 2015-12-02 | 2017-07-14 | 法雷奥电机控制***公司 | Electronic card support member, sub-assembly, electric pressure converter and motor |
| CN108575068A (en) * | 2017-03-13 | 2018-09-25 | 宁德时代新能源科技股份有限公司 | battery control unit encapsulating structure and encapsulating method |
| CN108575068B (en) * | 2017-03-13 | 2020-07-31 | 宁德时代新能源科技股份有限公司 | Battery control unit encapsulating structure and encapsulating method |
| US20210219078A1 (en) * | 2020-01-09 | 2021-07-15 | Sivantos Pte. Ltd. | Loudspeaker box and hearing device |
| US11956598B2 (en) * | 2020-01-09 | 2024-04-09 | Sivantos Pte. Ltd. | Loudspeaker box and hearing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20190311 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |