CN206865896U - A kind of semiclosed shell mechanism applied to dcdc converter - Google Patents

A kind of semiclosed shell mechanism applied to dcdc converter Download PDF

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Publication number
CN206865896U
CN206865896U CN201720725219.7U CN201720725219U CN206865896U CN 206865896 U CN206865896 U CN 206865896U CN 201720725219 U CN201720725219 U CN 201720725219U CN 206865896 U CN206865896 U CN 206865896U
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China
Prior art keywords
dcdc converter
circuit plate
side wall
importation
cover body
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CN201720725219.7U
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Chinese (zh)
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邓华新
江宝迪
莫光铖
吴壬华
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Shenzhen Shinry Technologies Co Ltd
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Shenzhen Shinry Technologies Co Ltd
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Abstract

The utility model embodiment discloses a kind of semiclosed shell mechanism applied to dcdc converter, including:Importation, it is used for the installation of the input circuit plate of the dcdc converter;Output par, c, it is used for the installation of the output circuit plate of the dcdc converter;Outer cover body, it is metal shell, the outer cover body is fixedly connected with the importation and the output par, c respectively, and the importation and the output par, c are located at the outside of the outer cover body, hollow inner chamber is provided with the outer cover body for accommodating the power control board of the dcdc converter.Using the utility model, Electro Magnetic Compatibility, the less advantage of size can be passed through by having.

Description

A kind of semiclosed shell mechanism applied to dcdc converter
Technical field
It the utility model is related to a kind of semiclosed shell mechanism applied to dcdc converter.
Background technology
As the application demand to high power DC-direct current (DCDC) converter apparatus is more and more extensive, to bulk Requirement it is more and more stricter;Therefore size is small, DC-DC converter of high power density is increasingly paid attention to by everybody.
However, DC-DC converter requirement must pass through Electro Magnetic Compatibility (Electro Magnetic Compatibility, abbreviation EMC) test, if simply using large number of jamproof device, particularly big inductance, Pass through Electro Magnetic Compatibility to realize, the size and weight that can cause product greatly increase, and are unfavorable for the market competition of product.
Utility model content
The utility model embodiment technical problem to be solved is, there is provided a kind of half envelope applied to dcdc converter Shell mechanism is closed, emc testing and Miniaturizable can be passed through.
In order to solve the above-mentioned technical problem, the embodiment of the utility model one provide it is a kind of applied to dcdc converter half Closure structure, including:
Importation, it is used for the installation of the input circuit plate of the dcdc converter;
Output par, c, it is used for the installation of the output circuit plate of the dcdc converter;
Outer cover body, it is metal shell, and the outer cover body is consolidated with the importation and the output par, c respectively Fixed connection, and the importation and the output par, c are located at the outside of the outer cover body, are provided with the outer cover body Hollow inner chamber is for accommodating the power control board of the dcdc converter.
In the embodiment of the utility model one, the outer cover body includes drain pan and upper cover, the upper cover and the drain pan Closing is connected to form the inner chamber.
In the embodiment of the utility model one, the bottom wall of the drain pan extends the first relative side to the upper cover direction Wall, second sidewall, the roof of the upper cover extend the 3rd relative side wall, the 4th side wall to the drain pan direction, it is described on Cover connects with drain pan closing.
In the embodiment of the utility model one, the bottom wall of the drain pan extends outward the importation and described respectively Output par, c, is spaced the first side wall between the importation and the inner chamber, the output par, c and the inner chamber it Between be spaced the second sidewall.
In the embodiment of the utility model one, the first side wall top is provided with the first breach, and first breach is used for Connection line between the input circuit plate and the power control board by the way that the second sidewall top is provided with second and lacked Mouthful, the connection line that second breach is used between the output circuit plate and the power control board passes through.
In the embodiment of the utility model one, the first side wall, the second sidewall and the bottom wall are integrally formed, institute State the 3rd side wall, the 4th side wall is integrally formed with the roof.
In the embodiment of the utility model one, the outer cover body is aluminum enclosure.
In the embodiment of the utility model one, the outer cover body is provided with empty avoiding portion, institute close to the output par, c side Output par, c is stated to be located at the empty avoiding portion.
In the embodiment of the utility model one, the outer cover body is provided with radiating installation position, the radiating installation position For the installation of the radiator to be radiated to heater members on the power control board.
In the embodiment of the utility model one, the importation and the output par, c are respectively equipped with stud, the spiral shell Post is used to the input circuit plate being installed to the importation, and the stud is used to install the output circuit plate Onto the output par, c.
Implement the utility model embodiment, have the advantages that:
Because the outer cover body is metal shell, the power control board is located in the inner chamber of metal shell, described defeated Entering the importation that circuit board is arranged on shell mechanism, the output circuit plate is arranged on the output par, c of shell mechanism, due to Metal shell can have the effect of electromagnetic shielding, so as to reduce power control board and input circuit plate, output circuit plate it Between electromagnetic interference, so as to only need to use small number of suppressor including the dcdc converter of the semiclosed shell mechanism Part, and big inductance need not be used, it is possible to by emc testing, so as to which the semiclosed shell mechanism of the present embodiment can be with The product size and weight for making dcdc converter are substantially reduced compared with the prior art, and cost is relatively low, improves product Competitiveness;It is metal shell to be additionally, since and state outer cover body, the good heat dispersion performance of metal shell, so as to be advantageous to power The radiating of electronic component on control panel, and the electronic component on power control board is not easy to damage because of radiating bad.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is that the semiclosed shell mechanism of the embodiment of the utility model one is mounted with input circuit plate and output circuit plate one The top perspective view in individual direction;
Fig. 2 is that the semiclosed shell mechanism of the embodiment of the utility model one is mounted with input circuit plate and output circuit plate another The top perspective view in one direction;
Fig. 3 is that the semiclosed shell mechanism of the embodiment of the utility model one is mounted with facing upward for input circuit plate and output circuit plate Parallax stereogram;
Shown by reference numeral:
The semiclosed shell mechanisms of 100-;200- upper covers;210- roofs;The side walls of 220- the 3rd;The side walls of 230- the 4th;300- bottoms Shell;310- bottom walls;320- the first side walls;The breach of 321- first;330- second sidewalls;The breach of 331- second;410- empty avoidings portion; 420- importations;430- output par, cs;510- input circuit plates;520- output circuit plates;610- studs;620- mounting holes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-Fig. 3 is refer to, the embodiment of the utility model one provides one kind and is applied to dcdc converter (DC-to-dc Converter) semiclosed shell mechanism 100, wherein, the converter includes semiclosed shell mechanism 100, power control board, defeated Enter circuit board 510 and output circuit plate 520.The semiclosed shell mechanism 100 includes importation 420, the and of output par, c 430 Outer cover body.
In the present embodiment, the importation 420 is used for the installation of the input circuit plate 510 of dcdc converter;It is described Output par, c 430 is used for the installation of the output circuit plate 520 of dcdc converter;The outer cover body is metal shell, described outer Shell body is fixedly connected with the importation 420 and output par, c 430 respectively, the importation 420 and the output section Divide 430 outsides for being located at the outer cover body, so that the shell mechanism is semiclosed shell mechanism 100, the input circuit Plate 510 is located at the outside of outer cover body, and the output circuit plate 520 also is located at the outside of outer cover body, in the outer cover body Power control board provided with hollow inner chamber for receiving dcdc converter.
So as to which in the present embodiment, because the outer cover body is metal shell, the power control board is located at metal-back In the inner chamber of body, the input circuit plate 510 is arranged on the importation 420 of shell mechanism, and the output circuit plate 520 is installed In the output par, c 430 of shell mechanism, because metal shell can have the effect of electromagnetic shielding, so as to reduce Power Control Electromagnetic interference between plate and input circuit plate 510, output circuit plate 520, so as to include the semiclosed shell mechanism 100 Dcdc converter only needs to use small number of anti-interference device, and need not use big inductance, it is possible to simultaneous by electromagnetism Capacitive is tested, so as to which the semiclosed shell mechanism 100 of the present embodiment can make the product size of dcdc converter and weight relatively existing There is technology to be substantially reduced, cost is relatively low, improves the competitiveness of product;It is metal to be additionally, since and state outer cover body Housing, the good heat dispersion performance of metal shell, so as to be advantageous to the radiating of the electronic component on power control board, and Power Control Electronic component on plate is not easy to damage because of radiating bad.
In the present embodiment, the outer cover body includes drain pan 300 and upper cover 200, the upper cover 200 and the drain pan To form the inner chamber, the power control board is located in the inner chamber for 300 closing connections.Particularly, in the present embodiment, The bottom wall 310 of the drain pan 300 extends relative the first side wall 320, second sidewall 330 to the direction of upper cover 200, and described first Side wall 320 and second sidewall 330 are parallel to each other, the first side wall 320, second sidewall 330 and the one of the bottom wall 310 into Type, the roof 210 of the upper cover 200 extends the 3rd relative side wall 220, the 4th side wall 230 to the direction of bottom wall 310, described 3rd side wall 220 and the 4th side wall 230 are parallel to each other, the 3rd side wall 220, the 4th side wall 230 and the roof 210 It is integrally formed.The closing connection of the upper cover 200 and the drain pan 300 to form the inner chamber, the specific upper cover 200 with it is described Drain pan 300 is connected and sealed by screw, for example, the 3rd side wall 220, the 4th side wall 230 are provided with through hole, screw is worn Through hole is crossed to be spirally connected with the screw on drain pan 300;Or the 3rd side wall 220, the 4th side wall 230 are provided with through hole, the bottom Corresponding 3rd side wall 220 of wall 310, the 4th side wall 230 are provided with upward flange, and through hole, screw are also correspondingly provided with the flange It is connected after through through hole with nut so as to realize that the closing of upper cover 200 and drain pan 300 connects.Certainly, it is of the present utility model its In his embodiment, the upper cover and the bottom wall are also not limited to carry out closing by screw to connect, such as also pass through and the side such as weld Formula is attached.In addition, in other embodiment of the present utility model, the drain pan can include four side walls, now upper cover Only include a roof;Or the upper cover includes four side walls, now the drain pan only includes a bottom wall.
In the present embodiment, the bottom wall 310 of the drain pan 300 outwards each extends over out the importation 420 and output Part 430, the input circuit plate 510 are arranged on importation 420, and specially described importation 420 is provided with least One stud 610, such as 1,2,3,4 etc., the input circuit plate 510 passes through input circuit plate 510 by screw It is screwed in stud 610, to realize that input circuit plate 510 is fixedly installed on importation 420;The output circuit plate 520 In output par, c 430, specially described output par, c 430 is provided with least one stud 610, for example, 1,2,3 It is individual, 4 etc., the output circuit plate 520 is screwed in stud 610 by screw through output circuit plate 520, with realize output Circuit board 520 is fixedly installed in output par, c 430.So as to facilitate the installation of input circuit plate 510 and output circuit plate 520, Simple installation.
In the present embodiment, the first side wall 320 is spaced between the importation 420 and the inner chamber, so as to institute State and the first side wall 320 is spaced between input circuit plate 510 and the power control board;The output par, c 430 with it is described The second sidewall 330 is spaced between inner chamber, so as to described in interval between the output circuit plate 520 and the power control board Second sidewall 330.It is thus possible to reduce the electromagnetic interference between input circuit plate 510 and power control board, output can be reduced Electromagnetic interference between circuit board 520 and power control board;It is additionally, since the first side wall 320 and second sidewall 330 and the bottom The bottom wall 310 of shell 300 is integrally formed, so as to which the first side wall 320 and second sidewall 330 are used for realizing that effectiveness is preferable, And magnetic leakage is less, be advantageous to further reduce between power control board and input circuit plate 510, output circuit plate 520 mutually The electromagnetic interference of phase.In addition, in the present embodiment, the first side wall 320 is outside the 3rd side wall 220 and the 4th side wall 230 A surface part, namely the width of the first side wall 320 are more than between the outer surface of the 3rd side wall 220 and the outer surface of the 4th side wall 230 Distance, namely the width of the first side wall 320 in the Y direction is more than outside the outer surface of the 3rd side wall 220 and the 4th side wall 230 in Fig. 1 The distance between surface, the second sidewall 330 also exceed the 3rd side wall 220 and a part for the outside of the 4th side wall 230, namely The width of second sidewall 330 is more than in the distance between the outer surface of the 3rd side wall 220 and the outer surface of the 4th side wall 230, namely Fig. 1 The width of second sidewall 330 in the Y direction is more than the distance between the outer surface of the 3rd side wall 220 and the outer surface of the 4th side wall 230, from And anti-electromagnetic interference effect further improves.
In the present embodiment, the importation 420 and the output par, c 430 are located at the opposite sides of outer cover body, Such as the importation 420 is located at the right side of outer cover body, the output par, c 430 is located at the left side of the outer cover body, Or in turn;Or the importation 420 is located at the front side of outer cover body, the output par, c 430 is located at the shell The rear side of body, or, in turn.Can make be arranged on importation 420 on input circuit plate 510 and installed in output section Divide output circuit plate 520 on 430 distant, it is possible to reduce on the component and output circuit plate 520 on input circuit plate 510 Component between electromagnetic interference.
In the present embodiment, electrically connected by wire in order to facilitate between input circuit plate 510 and power control board Connect, in the present embodiment, the power control board is arranged on the bottom wall 310 of the drain pan 300, the input circuit plate 510 On importation 420, the output circuit plate 520 is arranged in output par, c 430.The top of the first side wall 320 Provided with the first breach 321, first breach 321 is for the connection line between input circuit plate 510 and power control board Pass through;The top of second sidewall 330 is provided with the second breach 331, and second breach 331 is used for output circuit plate 520 and power control Connection line between making sheet passes through.So as to be located at due to power control board on the bottom wall 310 of drain pan 300, input circuit plate 510 on importation 420, and the output circuit plate 520 is located in output par, c 430, the bottom wall 310, importation 420 and output par, c 430 be all located at the bottom of shell mechanism, and the first breach 321 is located at the top of the first side wall 320, second Breach 331 is located at the top of second sidewall 330, namely the first breach 321 and the second breach 331 are all located at the top of shell mechanism, So as to so that the size of input circuit plate 510 and output circuit plate 520 is bigger, and facilitate connection line between circuit board By and facilitating the installation of input circuit plate 510 and output circuit plate 520.
In the present embodiment, the outer cover body is aluminum enclosure, and aluminum enclosure both has preferable electromagnetic wave shielding effect, weight Amount is also relatively light, and cost is relatively low, thus is preferable outer cover body material, and heat dispersion is also preferable.Certainly, this practicality is new Type not limited to this, in other embodiment of the present utility model, the outer cover body can also be iron-clad body, alloy shell etc.. In addition, the importation 420 is also aluminium sheet, the output par, c 430 is also aluminium sheet.
In the present embodiment, being contained on the power control board in inner chamber has heater element, the heater element For example, transformer, inductance etc., at work, the heater element can largely generate heat, so as to influence power control board and direct current- The performance of DC converter, in order to further improve the problem, in the present embodiment, the outer cover body is provided with radiating installation portion Position, the radiating installation position are used for the installation of radiator, and the radiator can enter to the heater members on power control board One-step optimization radiates.In the present embodiment, the radiating installation position is located in bottom wall 310 or the side wall of outer cover body. In the present embodiment, the radiator is located at the lower section of power control board, and the radiator can be close to the heater element, from And heater element be because the heat transfer that distributes of working can be come out to radiator, the radiator by metal shell, Or come together to promote radiating with metal shell, because metal is benign heat carrier, so as to which radiating rate is fast, radiating efficiency Height, so as to greatly protecting heater element, prevent heater element from being damaged due to overheat, improve heater element life-span and Reliability.In the present embodiment, the radiator is, for example, radiating fin, can be led between the radiator and heater element The Heat Conduction Materials such as hot silicone grease.Certainly, in other embodiment of the present utility model, the radiator can also be that other are conventional Radiator structure, for example, water cooled pipeline etc..
In addition, in the present embodiment, the importation 420 is provided with mounting hole 620, in the output par, c 430 Provided with mounting hole 620, the installation of importation 420 and output par, c 430 and dcdc converter other parts structure can be facilitated.
In addition, in the present embodiment, in order to reduce the size of semiclosed shell mechanism 100, the outer cover body is close to institute State the side of output par, c 430 and be provided with empty avoiding portion 410, namely the outer cover body is similar " ┑ " type, its lower left corner is provided with described Empty avoiding portion 410, the output par, c 430 are located at the empty avoiding portion 410 and gone out, so as to which empty avoiding portion 410 does not have to extra space-consuming again, So as to reduce the overall dimensions of semiclosed shell mechanism 100.
In the present embodiment, in order to reduce the interference of power network, the input circuit plate 510 is provided with filter circuit, such as The components such as inductance, electric capacity, it is possible to reduce influence of the power network to power control board.Equally, also set on the output circuit plate 520 There are filter circuit, such as the component such as inductance, electric capacity, it is possible to reduce power control board exports DC voltage to its other equipment Influence.In addition, in the present embodiment, some terminals are additionally provided with the input circuit plate 510, on the output circuit plate 520 Some terminals also are provided with, the terminal can be binding post.In addition, the input circuit plate 510 and the output circuit plate The electronic components such as some resistance, transistor are also provided with 520.
In addition, the dcdc converter that the utility model embodiment provides may apply in power supply unit.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight Point explanation is all difference with other embodiments, between each embodiment identical similar part mutually referring to. For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, related part referring to The part explanation of embodiment of the method.
By the description of above-described embodiment, the utility model has advantages below:
Because the outer cover body is metal shell, the power control board is located in the inner chamber of metal shell, described defeated Entering the importation that circuit board is arranged on shell mechanism, the output circuit plate is arranged on the output par, c of shell mechanism, due to Metal shell can have the effect of electromagnetic shielding, so as to reduce power control board and input circuit plate, output circuit plate it Between electromagnetic interference, so as to only need to use small number of suppressor including the dcdc converter of the semiclosed shell mechanism Part, and big inductance need not be used, it is possible to by emc testing, so as to which the semiclosed shell mechanism of the present embodiment can be with The product size and weight for making dcdc converter are substantially reduced compared with the prior art, and cost is relatively low, improves product Competitiveness;It is metal shell to be additionally, since and state outer cover body, the good heat dispersion performance of metal shell, so as to be advantageous to power The radiating of electronic component on control panel, and the electronic component on power control board is not easy to damage because of radiating bad.
It is understood that above-described embodiment of the present utility model in the case where not conflicting, can combine to obtain Obtain more embodiments.
In description of the present utility model, it is to be understood that term " " center ", " on ", " under ", " vertical ", " level ", The orientation or position relationship of the instruction such as " top ", " bottom ", " interior ", " outer ", " clockwise ", " counterclockwise " are based on side shown in the drawings Position or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction or the device for implying meaning Or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to of the present utility model Limitation.In addition, term " first ", " second " be only used for describe purpose, and it is not intended that instruction or imply relative importance or The implicit quantity for indicating indicated technical characteristic of person.Thus, " first " is defined, the feature of " second " can be expressed or hidden Include one or more this feature containing ground.In description of the present utility model, " multiple " be meant that two or two with On, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the utility model.
Above disclosed is only the utility model preferred embodiment, can not limit the utility model with this certainly Interest field, therefore equivalent variations made according to the utility model claims still belong to the scope that the utility model is covered.

Claims (10)

  1. A kind of 1. semiclosed shell mechanism applied to dcdc converter, it is characterised in that including:
    Importation, it is used for the installation of the input circuit plate of the dcdc converter;
    Output par, c, it is used for the installation of the output circuit plate of the dcdc converter;
    Outer cover body, it is metal shell, and the outer cover body is fixed with the importation and the output par, c respectively to be connected Connect, and the importation and the output par, c are located at the outside of the outer cover body, are provided with the outer cover body hollow Inner chamber for accommodating the power control board of the dcdc converter.
  2. 2. it is applied to the semiclosed shell mechanism of dcdc converter as claimed in claim 1, it is characterised in that the shell sheet Body includes drain pan and upper cover, and the upper cover is connected to form the inner chamber with drain pan closing.
  3. 3. it is applied to the semiclosed shell mechanism of dcdc converter as claimed in claim 2, it is characterised in that the drain pan Bottom wall extends relative the first side wall, second sidewall to the upper cover direction, and the roof of the upper cover is to the drain pan direction Extend the 3rd relative side wall, the 4th side wall, the upper cover connects with drain pan closing.
  4. 4. it is applied to the semiclosed shell mechanism of dcdc converter as claimed in claim 3, it is characterised in that the drain pan Bottom wall extends outward the importation and the output par, c respectively, and institute is spaced between the importation and the inner chamber The first side wall is stated, the second sidewall is spaced between the output par, c and the inner chamber.
  5. 5. it is applied to the semiclosed shell mechanism of dcdc converter as claimed in claim 4, it is characterised in that first side Wall top is provided with the first breach, the connecting line that first breach is used between the input circuit plate and the power control board Road by the way that the second sidewall top is provided with the second breach, and second breach is used for the output circuit plate and the work( Connection line between rate control panel passes through.
  6. 6. the semiclosed shell mechanism applied to dcdc converter as described in claim 3-5 any one, it is characterised in that The first side wall, the second sidewall and the bottom wall are integrally formed, the 3rd side wall, the 4th side wall and the top Wall is integrally formed.
  7. 7. the semiclosed shell mechanism applied to dcdc converter as described in claim 1-5 any one, it is characterised in that The outer cover body is aluminum enclosure.
  8. 8. the semiclosed shell mechanism applied to dcdc converter as described in claim 1-5 any one, it is characterised in that The outer cover body is provided with empty avoiding portion close to the output par, c side, and the output par, c is located at the empty avoiding portion.
  9. 9. the semiclosed shell mechanism applied to dcdc converter as described in claim 1-5 any one, it is characterised in that The outer cover body is provided with radiating installation position, and the radiating installation position is used to dissipate heater members on the power control board The installation of the radiator of heat.
  10. 10. the semiclosed shell mechanism applied to dcdc converter as described in claim 1-5 any one, its feature exist In the importation and the output par, c are respectively equipped with stud, and the stud is used to the input circuit plate being installed to On the importation, and the stud is used to the output circuit plate being installed to the output par, c.
CN201720725219.7U 2017-06-20 2017-06-20 A kind of semiclosed shell mechanism applied to dcdc converter Active CN206865896U (en)

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Application Number Priority Date Filing Date Title
CN201720725219.7U CN206865896U (en) 2017-06-20 2017-06-20 A kind of semiclosed shell mechanism applied to dcdc converter

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112886936A (en) * 2021-04-29 2021-06-01 中国电子科技集团公司第九研究所 Novel miniature ultra wide band high pass filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112886936A (en) * 2021-04-29 2021-06-01 中国电子科技集团公司第九研究所 Novel miniature ultra wide band high pass filter

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