CN211457773U - DC/DC industrial all-brick power module shell - Google Patents
DC/DC industrial all-brick power module shell Download PDFInfo
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- CN211457773U CN211457773U CN202020518899.7U CN202020518899U CN211457773U CN 211457773 U CN211457773 U CN 211457773U CN 202020518899 U CN202020518899 U CN 202020518899U CN 211457773 U CN211457773 U CN 211457773U
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- bottom plate
- circuit board
- power module
- pin holes
- brick power
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Abstract
The utility model provides a DC/DC industry full brick power module casing, this casing includes casing body and bottom plate, the last mounting groove that is provided with the circuit board of being convenient for and places of casing body, the tank bottom of mounting groove is provided with a plurality of contact pins that are used for on the fixed circuit board and draws it to the outside contact pin hole of casing body, still be provided with the location stand that carries out the installation location when being used for assembling circuit board and bottom plate on the casing body, the inside cavity of location stand is provided with on the bottom plate with location stand complex fixed column. The shell is reasonable in design, simple and practical, the position precision of the circuit board and the contact pins is improved through the arrangement of the positioning upright posts and the contact pin holes, meanwhile, the contact pins can be prevented from being damaged during assembly, and the circuit board can be accurately assembled; the bottom plate adopts the mode of buckle assembly, has greatly improved joint strength.
Description
Technical Field
The utility model relates to a power module casing, especially a DC industry full brick power module casing.
Background
The power module is generally packaged by combining a plastic shell and an aluminum substrate, and a metal contact pin is used as an input/output port of the module, the plastic shell has the advantages of low cost, high temperature resistance, flame retardance and the like, and the aluminum substrate has the characteristics of good heat dissipation and easiness in processing.
In recent years, with the rapid development of science and technology, the requirements for power modules are changing, so that the modules are required to have more functional pins, the requirements for the dimensional accuracy of the pins and the reliability of the overall structure of the modules are higher and higher, and the difficulty in designing and producing the modules is increased.
Firstly, the pin of module increases the back, has increased the fixed degree of difficulty of contact pin and casing assembly intangibly, and maneuverability is very poor, simultaneously because the improvement of required precision, has also increaseed the impaired risk of pin in the assembling process, secondly, because to the improvement of module overall structure intensity requirement, traditional mode through gluing casing and bottom plate can't satisfy the requirement yet.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, it is more reasonable to provide a structural design, and the industry full brick DC power module casing that the operability is good, precision and reliability are high.
The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to a DC industry full brick power module casing, this casing includes casing body and bottom plate, is provided with the mounting groove that the circuit board of being convenient for was placed on the casing body, and the tank bottom of mounting groove is provided with a plurality of contact pins that are used for on the fixed circuit board and draws it to the outside contact pin hole of casing body, still is provided with the location stand that carries out the installation location when being used for assembly circuit board and bottom plate on the casing body, and the inside cavity of location stand is provided with on the bottom plate with location stand complex fixed column.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the DC/DC industry full brick power module casing, the location stand is provided with 4, and 4 location stands distribute in the four corners of casing body.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the DC/DC industry full brick power module casing, still be provided with the barb form buckle of being convenient for to be connected with the bottom plate around the casing body, be provided with buckle complex recess on the bottom plate.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the whole brick power module casing of DC/DC industry, still install a plurality of support columns that are used for circuit board height location in the mounting groove.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the industrial full brick power module casing of DC/DC, the contact pin hole includes a plurality of first contact pin holes and a plurality of second contact pin holes, and the diameter of second contact pin hole is greater than the diameter of first contact pin hole.
The technical problem to be solved by the present invention can be further solved by the following technical solution, for the above-mentioned DC/DC industrial all-brick power module housing, there are 10 first pin holes, wherein 6 first pin holes are arranged side by side on one side of the mounting groove, and the remaining 4 first pin holes are arranged side by side on the adjacent side of the first 6 first pin hole mounting sides; the second contact pin hole is provided with 8, and 6 of them second contact pin holes set up in one side of mounting groove, and remaining 2 second contact pin holes set up the contralateral at 6 second contact pin hole installation sides in the front.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the DC/DC industry full brick power module casing, casing body and bottom plate all are the cuboid form.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above DC/DC industry full brick power module casing, casing body adopts the PPS plastics to make.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the DC/DC industry full brick power module casing, the bottom plate adopts the aluminum alloy to make.
Compared with the prior art, the utility model has the advantages that the installation groove is arranged on the shell body, so that the circuit board can be conveniently assembled, the pin holes are arranged in the installation groove, the pins on the circuit board can be conveniently fixed, and the pins can conveniently extend out of the shell body; the supporting columns are arranged in the mounting grooves, so that the circuit board can be conveniently positioned in the shell body in the height direction, and the circuit board is prevented from being inclined; after the circuit board is installed, the mounting groove is sealed through the bottom plate, the stand column and the buckle are further arranged on the shell body, high-strength fixation of the bottom plate is achieved, sealing and auxiliary bonding of the shell and the bottom plate are achieved through the sealant, and reliability of installation of the bottom plate and the shell body is further enhanced.
The utility model discloses the beneficial effect who brings:
(1) the structure is simple and the operation is easy;
(2) the precision and the reliability are high, the position precision of the contact pin is improved through the accurate assembly of the positioning upright post and the circuit board, and meanwhile, the contact pin can be prevented from being damaged during the assembly;
(3) structural strength is high, and the mode that the buckle assembly was passed through to casing body and bottom plate has greatly improved joint strength.
Drawings
Fig. 1 is a front view of the present invention (with the bottom plate and circuit board removed);
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
fig. 4 is a three-dimensional schematic view of the present invention (with the bottom plate and circuit board removed).
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a DC/DC industrial all-brick power module casing, the casing includes a casing body 1 and a bottom plate 8, a mounting groove for placing a circuit board 7 is provided on the casing body 1, a plurality of pin holes for fixing pins 9 on the circuit board 7 and guiding the pins to the outside of the casing body 1 are provided at the bottom of the mounting groove, a positioning upright 6 for installing and positioning when assembling the circuit board 7 and the bottom plate 8 is further provided on the casing body 1, the inside of the positioning upright 6 is hollow, and a fixing column matched with the positioning upright 6 is provided on the bottom plate 8. The positioning upright post 6 is also arranged in the mounting groove, so that the circuit board 7 can be conveniently mounted and positioned by matching the outer ring of the positioning upright post 6 with the circuit board 7 after the circuit board 7 is placed in the mounting groove; the positioning upright post 6 is hollow to form a fixing hole, so that the fixing column can be conveniently inserted into the fixing hole, and the installation and positioning of the bottom plate 8 are realized; the contact pin hole is the round hole, and specific quantity and position are confirmed according to the quantity and the position of contact pin 9 on the circuit board 7 of actual installation, can realize fixing the contact pin 9 of the circuit board 7 of installation to make things convenient for contact pin 9 to stretch out outside casing body 1 can.
The utility model discloses a casing, including casing body 1, location stand 6, 4 circuit boards 7, location stand 6 is provided with 4, and 4 location stands 6 distribute in the four corners of casing body 1, and the four corners of general circuit board 7 does not have components and parts, can punch, and location stand 6 sets up in the four corners of casing body 1, and the accurate installation of the circuit board 7 of being convenient for on the one hand also makes things convenient for on the one hand bottom plate 8 to install casing body 1 through the fixed column.
The periphery of the shell body 1 is also provided with a barb-shaped buckle 4 which is convenient to be connected with the bottom plate 8, and the bottom plate 8 is provided with a groove matched with the buckle 4. The number of the buckles 4 is determined according to the length of the four sides of the shell body 1, and is usually 1-2, so that the bottom plate 8 is conveniently connected with the shell body 1 through the matching of the buckles 4 and the grooves, and the structural strength is improved; in addition, after the bottom plate 8 is clamped on the shell body 1, sealant can be smeared between the bottom plate 8 and the shell body 1, and the sealing and auxiliary bonding effects are achieved.
And a plurality of supporting columns 5 for positioning the height of the circuit board 7 are also arranged in the mounting groove. Support column 5 is provided with 4, sets up respectively in casing body 1 bottom all around for place the mounting groove at circuit board 7 in the back and support circuit board 7, realize circuit board 7 in casing body 1 the direction of height's location, appear crooked when avoiding circuit board 7 to install, influence follow-up normal use.
The contact pin hole includes a plurality of first contact pin holes 2 and a plurality of second contact pin holes 3, and the diameter of second contact pin hole 3 is greater than the diameter of first contact pin hole 2, is convenient for cooperate with not the contact pin 9 of equidimension, and convenient contact pin 9 on the fixed circuit board 7 is and draws it to casing body 1 outside.
10 first pin holes 2 are arranged, wherein 6 first pin holes 2 are arranged on one side of the mounting groove side by side, and the rest 4 first pin holes 2 are arranged on the adjacent side of the mounting side of the first 6 first pin holes 2; second pin hole 3 is provided with 8, and 6 of them second pin holes 3 set up the one side at the mounting groove, and 2 remaining second pin holes 3 set up the contralateral in 6 preceding second pin holes 3 installation sides. The specific number and position of the first pin holes 2 and the second pin holes 3 can be adjusted according to practical situations, and the number and position requirements are specific settings of the applicant in practical application.
The shell body 1 and the bottom plate 8 are both in a cuboid shape, so that the production and the manufacture are convenient, and the shell body is conveniently matched with the circuit board 7 to fix the circuit board 7.
The shell body 1 is made of PPS plastic. PPS is polyphenylene sulfide, is a novel high-performance thermoplastic resin, and has the advantages of high mechanical strength, high temperature resistance, chemical resistance, flame retardancy, good thermal stability, excellent electrical property and the like.
The bottom plate 8 is made of aluminum alloy, is firm and reliable, is not easy to deform, and can effectively protect the circuit board 7.
The utility model discloses the beneficial effect who brings:
(1) the structure is simple and the operation is easy;
(2) the precision and the reliability are high, the position precision of the contact pin is improved through the accurate assembly of the positioning upright post and the circuit board, and meanwhile, the contact pin can be prevented from being damaged during the assembly;
(3) structural strength is high, and the casing passes through the mode of buckle assembly with the bottom plate, has greatly improved joint strength.
Claims (9)
1. The utility model provides a DC/DC industry full brick power module casing which characterized in that: the shell comprises a shell body and a bottom plate, wherein a mounting groove convenient for placing a circuit board is formed in the shell body, a plurality of contact pins used for fixing the circuit board are arranged at the bottom of the mounting groove, the contact pins are led to a contact pin hole in the outer portion of the shell body, a positioning stand column used for installing and positioning the circuit board and the bottom plate is further arranged on the shell body, the positioning stand column is hollow inside the positioning stand column, and a fixing column matched with the positioning stand column is arranged on the bottom plate.
2. The DC/DC industrial full brick power module housing of claim 1, wherein: the location stand is provided with 4, and 4 location stands distribute in the four corners of casing body.
3. The DC/DC industrial full brick power module housing of claim 1, wherein: the shell body is also provided with barb-shaped buckles convenient to be connected with the bottom plate at the periphery, and the bottom plate is provided with grooves matched with the buckles.
4. The DC/DC industrial full brick power module housing of claim 1, wherein: and a plurality of supporting columns for positioning the height of the circuit board are also arranged in the mounting groove.
5. The DC/DC industrial full brick power module housing of claim 1, wherein: the pin holes comprise a plurality of first pin holes and a plurality of second pin holes, and the diameters of the second pin holes are larger than those of the first pin holes.
6. The DC/DC industrial full brick power module housing of claim 5, wherein: the number of the first pin holes is 10, wherein 6 first pin holes are arranged on one side of the mounting groove side by side, and the rest 4 first pin holes are arranged on the adjacent side of the mounting side of the first 6 first pin holes side by side; the second contact pin hole is provided with 8, and 6 of them second contact pin holes set up in one side of mounting groove, and remaining 2 second contact pin holes set up the contralateral at 6 second contact pin hole installation sides in the front.
7. The DC/DC industrial full brick power module housing of claim 1, wherein: the shell body and the bottom plate are both in a cuboid shape.
8. The DC/DC industrial full brick power module housing according to claim 1 or 7, wherein: the casing body is made of PPS plastic.
9. The DC/DC industrial full brick power module housing according to claim 1 or 7, wherein: the bottom plate is made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020518899.7U CN211457773U (en) | 2020-04-10 | 2020-04-10 | DC/DC industrial all-brick power module shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020518899.7U CN211457773U (en) | 2020-04-10 | 2020-04-10 | DC/DC industrial all-brick power module shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211457773U true CN211457773U (en) | 2020-09-08 |
Family
ID=72298282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020518899.7U Active CN211457773U (en) | 2020-04-10 | 2020-04-10 | DC/DC industrial all-brick power module shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211457773U (en) |
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2020
- 2020-04-10 CN CN202020518899.7U patent/CN211457773U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220121 Address after: 200120 building C, No. 888, Huanhu West 2nd Road, Lingang New Area, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: SHANGHAI JIERUIZHAO NEW INFORMATION TECHNOLOGY CO.,LTD. Address before: No. 18, St. Lake Road, Haizhou District, Lianyungang, Jiangsu Patentee before: LIANYUNGANG JIERUI ELECTRONIC Co.,Ltd. |