CN219980651U - Direct-current power supply conversion device - Google Patents
Direct-current power supply conversion device Download PDFInfo
- Publication number
- CN219980651U CN219980651U CN202320230964.XU CN202320230964U CN219980651U CN 219980651 U CN219980651 U CN 219980651U CN 202320230964 U CN202320230964 U CN 202320230964U CN 219980651 U CN219980651 U CN 219980651U
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- China
- Prior art keywords
- pin
- fixing
- copper bar
- control board
- power control
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 34
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910052802 copper Inorganic materials 0.000 claims abstract description 53
- 239000010949 copper Substances 0.000 claims abstract description 53
- 238000009826 distribution Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 12
- 239000000758 substrate Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Landscapes
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model discloses a direct-current power supply conversion device, and relates to the technical field of power supply conversion devices. The method specifically comprises the following steps: the device comprises a shell, a main power control board arranged in the shell and not in contact with the shell, and a grounding copper bar with at least one fixing pin and at least one connecting pin, wherein the fixing pin of the grounding copper bar is connected with the shell, and the connecting pin of the grounding copper bar is connected with the main power control board. The utility model can avoid the space occupation of the layering in the direct current power supply conversion device and shorten the flow passage of the main power control board.
Description
Technical Field
The utility model relates to the technical field of power supply conversion devices, in particular to a direct current power supply conversion device.
Background
At present, the whole society calls for energy conservation and emission reduction, and corresponding new energy products are more and more popular, wherein the new energy automobiles become dominant force armies. The new energy automobile is generally provided with a vehicle-mounted charger, a direct-current power supply conversion device, a voltage converter, a high-voltage power distribution device with quick charge and the like.
The direct current power supply conversion device generally comprises a main power control board, an aluminum substrate, a grounding copper sheet, a shell and other components, wherein the main power control board in the current direct current power supply conversion device is firstly connected with the aluminum substrate and then connected with the shell of the direct current power supply conversion device through the aluminum substrate, so that the grounding function of the main power control board is realized, and in order to ensure that the aluminum substrate can be stably grounded, a pressing strip is generally arranged to press a grounding copper bar connected between the aluminum substrate and the shell. But the main power board adopts above-mentioned connected mode ground connection to set up independent fixed position and is used for installing the layering, can cause the overlength of overflow circuit simultaneously, and the heat on the overflow circuit can conduct to the aluminium base board to the work to the aluminium base board leads to the fact the influence.
Therefore, how to avoid the space occupation of the pressing strip in the direct-current power supply conversion device and shorten the flow passage of the main power control board becomes a technical problem to be solved urgently.
Disclosure of Invention
The utility model mainly aims to provide a direct current power supply conversion device, which aims to avoid occupation of space by a layering in the direct current power supply conversion device and shorten a current passing line of a main power control board.
In order to achieve the above object, the present utility model provides a dc power conversion device, comprising: the device comprises a shell, a main power control board arranged in the shell and not in contact with the shell, and a grounding copper bar with at least one fixing pin and at least one connecting pin, wherein the fixing pin of the grounding copper bar is connected with the shell, and the connecting pin of the grounding copper bar is connected with the main power control board.
In an embodiment of the utility model, the number of the fixing pins of the grounding copper bar is two, namely a first fixing pin and a second fixing pin, wherein the first fixing pin and the second fixing pin are at the same horizontal height.
In an embodiment of the present utility model, the number of the connection pins of the grounding copper bar is two, and the connection pins are a first connection pin and a second connection pin, and the first connection pin and the second connection pin are located between the first fixing pin and the second fixing pin.
In an embodiment of the present utility model, a via hole is disposed on the main power control board, and a connection pin of the ground copper bar passes through the via hole to be connected with the main power control board.
In an embodiment of the present utility model, a fixing post for installing the main power control board is provided on the housing, and the installation leg of the grounding copper bar may be fixed on the fixing post.
In an embodiment of the present utility model, at least two mounting holes in linear distribution are provided on the first fixing leg, and at least two mounting holes in linear distribution are provided on the second fixing leg.
In an embodiment of the present utility model, a connection line between each of the mounting holes on the first fixing leg and a connection line between each of the mounting holes on the second fixing leg are perpendicular to each other.
By adopting the technical scheme, the direct-current power supply conversion device comprises a shell and a main power control board arranged in the shell, wherein a grounding copper bar with at least one fixing pin and at least one connecting pin is arranged between the main power control board and the shell, the fixing pin is connected with the shell to realize grounding, and the connecting pin is connected with the main power control board to realize conductivity, so that the grounding effect of the main power control board is realized, the direct-current power supply conversion device is simple to assemble, and an aluminum substrate in the direct-current power supply conversion device is not needed, so that the overcurrent line of the main power control board is greatly shortened, meanwhile, the influence on the aluminum substrate due to the temperature of the overcurrent line is avoided, and the direct-current power supply conversion device is simple in structure and convenient to implement.
Drawings
The utility model will now be described in detail with reference to specific embodiments and accompanying drawings, in which:
fig. 1 is a schematic diagram of a part of an explosion structure of a dc power conversion device according to the present utility model;
fig. 2 is an enlarged schematic structural diagram of a grounding copper bar of a dc power conversion device according to the present utility model;
10. a housing; 20. a power control board; 30. a grounding copper bar; 31. a first fixed leg; 32. a second fixed leg; 33. a first connecting pin; 34. a second connecting pin; 35. and (5) mounting holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and examples. It should be understood that the following specific examples are given by way of illustration only and are not intended to be limiting.
As shown in fig. 1 to 2, in order to achieve the above object, the present utility model provides a dc power conversion device, comprising: the power control device comprises a shell 10, a main power control board 20 arranged in the shell 10 and not in contact with the shell 10, and a grounding copper bar 30 with at least one fixed pin and at least one connecting pin, wherein the fixed pin of the grounding copper bar 30 is connected with the shell 10, and the connecting pin of the grounding copper bar 30 is connected with the main power control board 20.
Specifically, the utility model provides a direct current power supply conversion device, which comprises a shell 10, a main power control board 20 and a grounding copper bar 30.
The casing 10 is made of a metal material, such as an aluminum alloy material, an alloy steel material, and the like, and the casing 10 made of a metal material has the advantages of strong supporting capability, wear resistance, good electric conductivity, and the like. Of course, the housing 10 may also be made of plastic material according to design requirements, and the housing 10 made of plastic material has the advantages of light weight, low cost, easy manufacture, etc. Since the housing 10 made of plastic material has no conductivity, when the housing 10 is made of plastic material, a wiring position needs to be reserved on the housing 10 to facilitate grounding of various components inside the housing 10.
The housing 10 includes a case for mounting the main power control board 20, the ground copper bar 30, the aluminum substrate, and the like, and a cover. The cover body is matched with the box body to form a relatively airtight space in the box body so as to protect the safety of all parts in the box body.
The main power control board 20 is fixed in the box body by screws, and the main power control board 20 is installed with the shell 10 in an insulating way, so that the stability and the safety of the main power control board 20 during working are ensured. The main power control board 20 is a main power control board 20 commonly used in the prior art, and will not be described in detail herein because it is a prior art.
The ground copper bar 30 includes at least one fixing leg and at least one connecting leg. The fixing pins are used for grounding, and the connecting pins are used for contacting with a component to be grounded, wherein the component to be grounded in the utility model is the main power control board 20.
The number of the fixing pins is one, and when the number of the connecting pins is one, the fixing pins are positioned at one end of the grounding copper bar 30, and the connecting pins are positioned at the other end of the grounding copper bar 30. By adopting the structure, the structure of the wiring copper bar can be simplified, and the occupation of the wiring copper bar to the space is reduced.
The quantity of fixed foot is two, and when the quantity of connecting foot was one, two fixed feet were first fixed foot 31 and second fixed foot 32 respectively, and first fixed foot 31 and second fixed foot 32 are located rectangular form wiring copper bar's both ends respectively, and first fixed foot 31 and second fixed foot 32 all are used for the ground connection, and the connecting foot is located between first fixed foot 31 and the second fixed foot 32, and it is upwards or downwards protruding, realizes the connection with the part of waiting to ground. By adopting the structure, the first fixing pin 31 and the second fixing pin 32 are grounded simultaneously, so that the support of the part to be grounded can be realized, the stability of the grounding copper bar 30 during working is ensured, meanwhile, the stable grounding of the wiring copper bar can be ensured due to the two grounding points, and the safety of the part to be grounded is further improved.
When the number of the fixing pins is two and the number of the connecting pins is two, the two fixing pins are respectively a first fixing pin 31 and a second fixing pin 32, the first fixing pin 31 and the second fixing pin 32 are respectively positioned at two ends of the strip-shaped wiring copper bar, the first fixing pin 31 and the second fixing pin 32 are both used for grounding, the two connecting pins are respectively a first connecting pin 33 and a second connecting pin 34, the first connecting pin 33 and the second connecting pin 34 are both connected with a component to be grounded, by adopting the structure, the component to be grounded is supported by the first connecting pin 33 and the second connecting pin 34 together, the stable grounding of the component to be grounded is ensured, and meanwhile, the supporting of the component to be grounded is simultaneously realized by the first connecting pin 33 and the second connecting pin 34, so that the stability of the component to be grounded in operation is improved.
By adopting the technical scheme, the direct-current power supply conversion device comprises the shell 10 and the main power control board 20 arranged in the shell 10, and the grounding copper bar 30 with at least one fixed pin and at least one connecting pin is arranged between the main power control board 20 and the shell 10, wherein the fixed pin is connected with the shell 10 to realize grounding, and the connecting pin is connected with the main power control board 20 to realize conduction, so that the grounding effect of the main power control board 20 is realized, the assembly is simple, and the excessive current path of the main power control board 20 is greatly shortened because the aluminum substrate in the direct-current power supply conversion device is not needed, meanwhile, the influence on the aluminum substrate due to the temperature of the excessive current path is avoided, and the direct-current power supply conversion device is simple in structure and convenient to implement.
In an embodiment of the present utility model, the number of the fixing pins of the grounding copper bar 30 is two, namely the first fixing pin 31 and the second fixing pin 32, wherein the first fixing pin 31 and the second fixing pin 32 are at the same horizontal level.
Specifically, the number of the fixing pins of the grounding copper bar 30 is two, the two fixing pins are the first fixing pin 31 and the second fixing pin 32, the first fixing pin 31 and the second fixing pin are at the same horizontal height, multiple grounding of the grounding copper bar 30 can be achieved, the grounding stability of the grounding copper bar 30 is improved, meanwhile, the first fixing pin 31 and the second fixing pin 32 are at the same horizontal height, supporting of the main power control board 20 can be achieved, and the stability of the main power control board 20 in working process is improved. Simple structure and convenient implementation.
In an embodiment of the present utility model, the number of the connection pins of the grounding copper bar 30 is two, namely, the first connection pin 33 and the second connection pin 34, and the first connection pin 33 and the second connection pin 34 are located between the first fixing pin 31 and the second fixing pin 32.
Specifically, the number of the connecting pins of the grounding copper bar 30 is two, the two connecting pins are a first connecting pin 33 and a second connecting pin 34, the first connecting pin 33 and the second connecting pin are located between the first fixing pin 31 and the second fixing pin 32, and the first connecting pin 33 and the second connecting pin 34 are located between the first fixing pin 31 and the second fixing pin 32, so that the first fixing pin 31 and the second fixing pin 32 support the first connecting pin 33 and the second connecting pin 34 together, and meanwhile, the first connecting pin 33 and the second connecting pin 34 are connected with the main power control board 20, so that stability of the main power control board 20 during grounding is improved. The first connection pin 33 and the second connection pin 34 can also support the main power control board 20, so that the stability of the main control board during operation is further improved. Simple structure and convenient implementation.
In an embodiment of the present utility model, a via hole is disposed on the main power control board 20, and the connection pin of the ground copper bar 30 is connected to the main power control board 20 through the via hole.
Specifically, the main power control board 20 is provided with a via hole, and the connection pin of the ground copper bar 30 is connected to the main power control board 20 through soldering after passing through the via hole. Through the arrangement of the via hole, the connection between the grounding copper bar 30 and the column power control board is facilitated, and the structure is simple and implementation is facilitated.
In an embodiment of the present utility model, the housing 10 is provided with a fixing post for mounting the main power control board 20, and the mounting leg of the ground copper bar 30 may be fixed to the fixing post.
Specifically, be provided with the fixed column that is used for installing the master control rate control board on the casing 10, be provided with the opening on the main power control board 20, counterpoint back with the fixed column, through the fix with screw on the fixed column, the installation of ground connection copper bar 30 is handed over and the fixed column between sharing fixed column for the installation of ground connection copper bar 30 need not to set up other mounting structure, has further simplified the structure in the casing 10, makes things convenient for the installation of each part in the DC power supply conversion device casing 10.
In an embodiment of the present utility model, at least two mounting holes 35 are disposed on the first fixing leg 31 and at least two mounting holes 35 are disposed on the second fixing leg 32.
Specifically, be provided with two at least mounting holes 35 that are linear distribution on the first fixed leg 31 of ground connection copper bar 30, can realize the matching with different mounted positions through setting up mounting hole 35, improved ground connection copper bar 30's application scope, a plurality of mounting holes 35 can correspond a plurality of different fixed columns simultaneously, all are connected between a plurality of different fixed columns, can further improve ground connection copper bar 30 during operation's stability.
In an embodiment of the present utility model, the connection line between the mounting holes 35 on the first fixing leg 31 and the connection line between the mounting holes 35 on the second fixing leg 32 are perpendicular to each other.
Specifically, the connection lines between the mounting holes 35 on the first fixing leg 31 are perpendicular to the connection lines between the mounting holes 35 on the second fixing leg 32, so that the deflection of the grounding copper bar 30 after being mounted can be avoided, and the structure is simple and the implementation is convenient.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (7)
1. A direct current power supply conversion apparatus, comprising:
a housing (10), a main power control board (20) provided in the housing (10) and not in contact with the housing (10), and
and the grounding copper bar (30) is provided with at least one fixing pin and at least one connecting pin, wherein the fixing pin of the grounding copper bar (30) is connected with the shell (10), and the connecting pin of the grounding copper bar (30) is connected with the main power control board (20).
2. The direct current power supply conversion device according to claim 1, wherein the number of the fixing pins of the grounding copper bar (30) is two, namely a first fixing pin (31) and a second fixing pin (32), wherein the first fixing pin (31) and the second fixing pin (32) are at the same horizontal level.
3. The direct current power supply conversion device according to claim 2, wherein the number of the connection pins of the grounding copper bar (30) is two, namely a first connection pin (33) and a second connection pin (34), and the first connection pin (33) and the second connection pin (34) are both positioned between the first fixing pin (31) and the second fixing pin (32).
4. The direct current power conversion device according to claim 1, wherein a via hole is provided on the main power control board (20), and the connection pin of the ground copper bar (30) is connected to the main power control board (20) through the via hole.
5. The dc power conversion device according to claim 1, wherein the housing (10) is provided with fixing posts for mounting the main power control board (20), and the mounting pins of the ground copper bar (30) are fixed to the fixing posts.
6. A dc power conversion device according to claim 3, wherein the first fixing leg (31) is provided with at least two mounting holes (35) in a linear distribution, and the second fixing leg (32) is provided with at least two mounting holes (35) in a linear distribution.
7. The dc power conversion apparatus according to claim 6, wherein a line between the mounting holes (35) of the first fixing leg (31) and a line between the mounting holes (35) of the second fixing leg (32) are perpendicular to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320230964.XU CN219980651U (en) | 2023-02-16 | 2023-02-16 | Direct-current power supply conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320230964.XU CN219980651U (en) | 2023-02-16 | 2023-02-16 | Direct-current power supply conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219980651U true CN219980651U (en) | 2023-11-07 |
Family
ID=88582880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320230964.XU Active CN219980651U (en) | 2023-02-16 | 2023-02-16 | Direct-current power supply conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219980651U (en) |
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2023
- 2023-02-16 CN CN202320230964.XU patent/CN219980651U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |