CN204967635U - Power supply module - Google Patents
Power supply module Download PDFInfo
- Publication number
- CN204967635U CN204967635U CN201520802529.5U CN201520802529U CN204967635U CN 204967635 U CN204967635 U CN 204967635U CN 201520802529 U CN201520802529 U CN 201520802529U CN 204967635 U CN204967635 U CN 204967635U
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- CN
- China
- Prior art keywords
- circuit board
- shell
- cover plate
- power module
- connecting portion
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- 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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Abstract
The utility model relates to a power field particularly, relates to a power supply module. It includes shell, circuit board and apron, the circuit board sets up in the shell, the apron sets up the opening part at the shell for seal the circuit board in the shell, the both ends of circuit board are provided with connecting portion, the both ends of shell correspond connecting portion and are provided with the connecting hole, be provided with the lead wire in the connecting hole, the one end that the lead wire is close to the circuit board is provided with the connecting piece. The utility model discloses a both ends at the circuit board set up connecting portion, the connecting portion at both ends and the connecting hole one -to -one on the shell, connect through the connecting wire and the connecting portion of connecting piece in with the connecting hole, carry on behind the encapsulating again, to lap and seal on the shell, and then in sealing into the shell with the circuit board, because the opening is great, the qualities of the encapsulating are improved, and owing to fix the apron behind the encapsulating again, make the interior gluey separation of apron and shell, and then make the apron dismantle, make power supply module maintain, the service life of power supply module is prolonged.
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, railway, 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;
The two ends of described circuit board are provided with connecting portion;
The corresponding described connecting portion in two ends of described shell is provided with connecting hole;
Lead-in wire is provided with in described connecting hole;
Described lead-in wire is provided with connector near one end of described circuit board.
Further, described shell comprises substrate and four blocks of coaming plates;
Described coaming plate is arranged on the side of described substrate;
The length of four blocks of described coaming plates is equal between two;
Two blocks of described coaming plates that length is equal are oppositely arranged;
The area that described coaming plate encloses is less than the area of described substrate;
Described substrate is rectangle.
Further, described substrate is provided with at least two installing holes;
Described installing hole is arranged on the outside of described coaming plate.
Further, described connecting portion is provided with earth connection;
One end of described earth connection is connected with described circuit board, and the other end is arranged on the side of described cover plate away from described circuit board through described circuit board.
Further, described connecting portion is provided with chuck;
Described chuck is arranged on the side of described circuit board away from described cover plate, for adjusting the distance between described circuit board and described shell.
Further, between described cover plate and described circuit board, being provided with insulation board, for preventing described cover plate to be connected with described circuit board, causing short circuit.
Further, described insulation board is epoxy plate.
Further, described cover plate is provided with body contact electric capacity.
Further, described circuit board is provided with the first nut;
Described first nut is connected with described body contact electric capacity.
Further, described cover plate welding is arranged on described shell.
The power module that the utility model provides, by the two ends at circuit board, connecting portion is set, connecting hole one_to_one corresponding on the connecting portion at two ends and shell, by connector, the connecting line in connecting hole is connected with connecting portion, after carrying out encapsulating again, by cover plate for sealing on shell, and then circuit board is sealed in shell, because opening is larger, 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, improve 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 vertical view of the utility model power module;
Fig. 2 is the end view of the utility model power module.
Reference numeral:
1: substrate 2: coaming plate 3: circuit board
4: installing hole 5: lead-in wire 6: connecting hole
7: screwed hole 8: connector 9: chuck
10: connecting portion 11: insulation board 12: cover plate
13: earth connection 14: the first nut 15: brace
16: the second nuts 17: bolt
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, circuit board 3 and cover plate 12;
Described circuit board 3 is arranged in described shell;
Described cover plate 12 is arranged on the opening part of described shell, for being sealed in described shell by described circuit board 3;
The two ends of described circuit board 3 are provided with connecting portion 10;
The corresponding described connecting portion 10 in two ends of described shell is provided with connecting hole 6;
Lead-in wire 5 is provided with in described connecting hole 6;
Described lead-in wire 5 is provided with connector 8 near one end of described circuit board 3.
Be provided with rectangular recess in shell, circuit board 3 is arranged in groove, and opening part arranges cover plate 12.
The two ends of circuit board 3 arrange connecting portion 10, and the position that shell is corresponding with connecting portion 10 is provided with connecting hole 6, and connecting hole 6 is provided with connector 8 near one end of circuit board 3, connector 8 are provided with lead-in wire 5, and lead-in wire 5 is connected with external circuitry through connecting hole 6.
When installation, according to the needs of circuit, connector 8 and connecting portion 10 are linked together by circuit or the mode such as spot welding or brace 15, then carries out encapsulating process, finally cover plate 12 is arranged on shell, carries out encapsulating.
In the present embodiment, connecting portion 10 is the screw rod that can conduct electricity, and connector 8 is for being provided with screwed hole 7 and the metal derby that can conduct electricity.Time screw rod is connected with metal derby, brace 15 two ends are provided with through hole, the through hole of one end is set on screw rod, is tightened by the second nut 16; The through hole of the other end aligns with the screwed hole 7 of metal derby, is fixed on metal derby by brace 15 by bolt 17, and then realizes the connection of connecting portion 10 and connector 8.
It is pointed out that brace 15 is for sheet metal, can have the performance of conduction like this.
Be preferred embodiment that described shell comprises substrate 1 and four blocks of coaming plates 2;
Described coaming plate 2 is arranged on the side of described substrate 1;
The length of four blocks of described coaming plates 2 is equal between two;
Two blocks that length is equal described coaming plates 2 are oppositely arranged;
The area that described coaming plate 2 encloses is less than the area of described substrate 1;
Described substrate 1 is rectangle.
Shell is set to the structure of substrate 1 and coaming plate 2, and four blocks of coaming plates 2 are arranged on the same side of substrate 1, and coaming plate 2 surrounds the groove placing circuit board 3, is arranged in groove, arranges at the other end of coaming plate 2 encapsulation that cover plate 12 can realize power module by circuit board 3.
When four blocks of coaming plates 2 connect, chamfered is carried out in the inside of its contact position, can either avoid being damaged to circuit board 3 because of carelessness when placing circuit board 3, can strengthen again the bonding strength between coaming plate 2.
Be preferred embodiment that described substrate 1 is provided with at least two installing holes 4;
Described installing hole 4 is arranged on the outside of described coaming plate 2.
Arrange at least two installing holes 4 on substrate 1, can be effectively fixed up by substrate 1, avoid in the process used, power module owing to being given a shock for a change position, and then has influence on normal use.
In the present embodiment, installing hole 4 is set to four, is separately positioned on four corners of substrate 1.
It is pointed out that installing hole 4 can be set to straight hole, also can be set to screwed hole 7, even can be set to wedge hole, it carries out setting according to the needs of erecting bed reality.
Be preferred embodiment that described connecting portion 10 is provided with earth connection 13;
One end of described earth connection 13 is connected with described circuit board 3, and the other end is arranged on the side of described cover plate 12 away from described circuit board 3 through described circuit board 3.
Connecting portion 10 arranges earth connection 13, and one end of earth connection 13 is connected with circuit board 3 by connecting portion 10, and the other end is arranged on the outside of cover plate 12, carries out ground connection setting.
The effect of ground connection mainly prevents that the person from getting shocked, equipment and circuit suffers damage, fire preventing and prevent thunderbolt, prevent static damage and ensure that electric power system normally runs.Ground connection is for ensureing that electrical equipment normally works and personal safety and a kind of safety measures for power consumption of taking, and to be connected with earthing device by plain conductor and to realize, that commonly uses has protective earthing, working earthing, lightning protection, bonding, anti-static grounding etc.Issuable leakage current, electrostatic charge and lightning current etc. on electrical equipment and other production equipments are introduced underground by earthing device, thus avoid the accidents such as person electric shock and contingent fire, blast.
Be preferred embodiment that described connecting portion 10 is provided with chuck 9;
Described chuck 9 is arranged on the side of described circuit board 3 away from described cover plate 12, for adjusting the distance between described circuit board 3 and described shell.
Connecting portion 10 arranges chuck 9, and chuck 9 is arranged on the below of circuit board 3, near the side of shell away from cover plate 12.By adjusting the height of chuck 9, can distance effectively between Circuit tuning plate 3 and shell, and then the hypotelorism avoided between circuit board 3 and shell and the circuit board 3 that easily causes and housings conductive, cause the phenomenon of short circuit to occur; Meanwhile, the external world also effectively can be avoided to cause damage to circuit board 3 to during cover attack, and then affect the life-span of power module.
Being preferred embodiment be provided with insulation board 11 between described cover plate 12 and described circuit board 3, for preventing described cover plate 12 to be connected with described circuit board 3, causing short circuit.
Insulation board 11 is set between cover plate 12 and circuit board 3, can either when cover plate 12 receives shock, strengthen the strength and stability of cover plate 12, cover plate 12 is avoided to contact with circuit board 3, reduce the damage to circuit board 3, simultaneously because cover plate 12 is metallic plate, arrange between cover plate 12 with circuit board 3 insulation board 11 can make again cover plate 12 receive clash into contact with circuit board 3 time, can not impact the circuit of circuit board 3.
Be preferred embodiment that described insulation board 11 is epoxy plate.
Because epoxy plate has, solidification is convenient, adhesion is strong, shrinkage is low and have excellent mechanical property characteristic, and insulation board 11 is set to epoxy plate, effectively can ensure the impact resistance of circuit board 3.
It is pointed out that insulation board 11 can be set to epoxy plate, but it is not only confined to epoxy plate, it can also be other materials, as being rubber slab.That is, as long as arrange insulation board 11 between cover plate 12 and circuit board 3, circuit board 3 short circuit can be avoided.
Be preferred embodiment that described cover plate 12 is provided with body contact electric capacity.
By arranging body contact electric capacity on cover plate 12, provide power supply, to ensure that circuit board 3 can be communicated with normally can to circuit board 3.
Be preferred embodiment described circuit board 3 is provided with the first nut 14;
Described first nut 14 is connected with described body contact electric capacity.
Circuit board 3 arranging the first nut 14, being connected with the body contact electric capacity on cover plate 12, to ensure the circuit stability of circuit board 3 by arranging wiring on the first nut 14.
Be preferred embodiment that described cover plate 12 welds and arranges on the housing.
When whole power module does not need to dismantle, can welding between cover plate 12 be arranged on shell, to ensure the stability of cover plate 12 on shell.
It is pointed out that cover plate 12 and the connected mode between shell can be weld, but it is not only confined to welding, it can also be other connected modes, as being be threaded, is namely fixed on shell by cover plate 12 by bolt.That is, as long as cover plate 12 can be fixedly installed on shell.
The power module that the utility model provides, by arranging connecting portion 10 at the two ends of circuit board 3, connecting portion 10 and connecting hole 6 one_to_one corresponding on shell at two ends, by connector 8, the connecting line in connecting hole 6 is connected with connecting portion 10, after carrying out encapsulating again, cover plate 12 is sealed on shell, and then circuit board 3 is sealed in shell, because opening is larger, improve the quality of encapsulating, and owing to being fixed cover plate 12 again after encapsulating, cover plate 12 is separated with the glue in shell, and then cover plate 12 can be dismantled, power module is keeped in repair, improve 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 (10)
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 provided with connecting portion;
The corresponding described connecting portion in two ends of described shell is provided with connecting hole;
Lead-in wire is provided with in described connecting hole;
Described lead-in wire is provided with connector near one end of described circuit board.
2. power module according to claim 1, is characterized in that, described shell comprises substrate and four blocks of coaming plates;
Described coaming plate is arranged on the side of described substrate;
The length of four blocks of described coaming plates is equal between two;
Two blocks of described coaming plates that length is equal are oppositely arranged;
The area that described coaming plate encloses is less than the area of described substrate;
Described substrate is rectangle.
3. power module according to claim 2, is characterized in that, described substrate is provided with at least two installing holes;
Described installing hole is arranged on the outside of described coaming plate.
4. power module according to claim 1, is characterized in that, described connecting portion is provided with earth connection;
One end of described earth connection is connected with described circuit board, and the other end is arranged on the side of described cover plate away from described circuit board through described circuit board.
5. power module according to claim 1, is characterized in that, described connecting portion is provided with chuck;
Described chuck is arranged on the side of described circuit board away from described cover plate, for adjusting the distance between described circuit board and described shell.
6. power module according to claim 1, is characterized in that, is provided with insulation board between described cover plate and described circuit board, for preventing described cover plate to be connected with described circuit board, causes short circuit.
7. power module according to claim 6, is characterized in that, described insulation board is epoxy plate.
8. power module according to claim 1, is characterized in that, described cover plate is provided with body contact electric capacity.
9. power module according to claim 8, is characterized in that, described circuit board is provided with the first nut;
Described first nut is connected with described body contact electric capacity.
10. the power module according to any one of claim 1-9, is characterized in that, described cover plate welding is arranged on described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520802529.5U CN204967635U (en) | 2015-10-13 | 2015-10-13 | Power supply module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520802529.5U CN204967635U (en) | 2015-10-13 | 2015-10-13 | Power supply module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204967635U true CN204967635U (en) | 2016-01-13 |
Family
ID=55062674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520802529.5U Expired - Fee Related CN204967635U (en) | 2015-10-13 | 2015-10-13 | Power supply module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204967635U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911976A (en) * | 2017-03-01 | 2017-06-30 | 歌尔股份有限公司 | Sound-producing device module |
| CN110536576A (en) * | 2019-09-29 | 2019-12-03 | 中国科学院长春光学精密机械与物理研究所 | A kind of power module fastening protective tooling |
-
2015
- 2015-10-13 CN CN201520802529.5U patent/CN204967635U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911976A (en) * | 2017-03-01 | 2017-06-30 | 歌尔股份有限公司 | Sound-producing device module |
| CN106911976B (en) * | 2017-03-01 | 2023-12-22 | 歌尔股份有限公司 | Sound production device module |
| CN110536576A (en) * | 2019-09-29 | 2019-12-03 | 中国科学院长春光学精密机械与物理研究所 | A kind of power module fastening protective tooling |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20181013 |