CN206294414U - A kind of circuit board cooling structure - Google Patents
A kind of circuit board cooling structure Download PDFInfo
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- CN206294414U CN206294414U CN201621425301.XU CN201621425301U CN206294414U CN 206294414 U CN206294414 U CN 206294414U CN 201621425301 U CN201621425301 U CN 201621425301U CN 206294414 U CN206294414 U CN 206294414U
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- copper bar
- radiating copper
- radiating
- circuit board
- line
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Abstract
The utility model discloses a kind of circuit board cooling structure, including circuit board, and circuit board is provided with high current metal-oxide-semiconductor and sampling resistor, and circuit board cooling structure also includes：First radiating copper bar, the second radiating copper bar, the 3rd radiating copper bar and the 4th radiating copper bar；First radiating copper bar and the second radiating copper bar are individually fixed in high current metal-oxide-semiconductor both sides；3rd radiating copper bar and the 4th radiating copper bar are individually fixed in sampling resistor both sides；First radiating copper bar is also fixedly connected with anode line, and the second radiating copper bar is also fixedly connected with load electrode line, and the 3rd radiating copper bar is also fixedly connected with GND line, and the 4th radiating copper bar is also fixedly connected with load negative line.The utility model is to be provided with four radiating copper bars, when battery management system high current charge-discharge, electric current can be radiated by four radiating copper bars, and because the thickness of copper bar can be considerably more than circuit plate thickness, internal resistance very little, significantly enhances the radiating effect of circuit board.
Description
Technical field
The utility model is related to heat dissipation for circuit board field, more particularly to a kind of circuit board cooling structure.
Background technology
In accumulation energy type BMS, pcb board generally needs super-high-current, general 50-100A, not only including high current power MOS
Pipe group, the current acquisition resistance of also big encapsulation, so when pcb board works, the device heating of pcb board upstream super-high-current is very
Seriously, longevity of service, and pcb board can be damaged if radiating effect is bad.Existing PCB heat dissipating methods generally by
The region of heating element carries out applying copper, and the heat produced when allowing electric current by pcb board conducts to Copper Foil, radiated, also
The method of some radiating is by opening up louvre on pcb board, accelerating the efficiency of radiating.
However, above-mentioned radiating effect is unsatisfactory, and first, due to the finite thickness of pcb board, copper is applied on pcb board, lead
The internal resistance increase of circuit board is caused, so when by high current, heating can be than more serious, and radiating effect is poor.Second, in electricity
The limited amount of perforate on the plate of road, it is impossible to effectively carry out radiating work on circuit boards, reduces radiating efficiency.
Utility model content
The purpose of this utility model is to overcome weak point of the prior art, there is provided a kind of circuit board cooling structure, should
Structure can improve the radiating effect of circuit board.
The purpose of this utility model is achieved through the following technical solutions：
A kind of circuit board cooling structure, including circuit board, the circuit board are provided with high current metal-oxide-semiconductor and sampling resistor,
The circuit board cooling structure also includes：First radiating copper bar, the second radiating copper bar, the 3rd radiating copper bar and the 4th radiating copper
Bar；
The first radiating copper bar and the second radiating copper bar are individually fixed in the high current metal-oxide-semiconductor both sides；It is described
3rd radiating copper bar and the 4th radiating copper bar are individually fixed in the sampling resistor both sides；
It is described first radiating copper bar be also fixedly connected with anode line, it is described second radiating copper bar also with load electrode line
Be fixedly connected, it is described 3rd radiating copper bar be also fixedly connected with GND line, it is described 4th radiating copper bar also with load negative pole
Line is fixedly connected.
As further preferred scheme, the first radiating copper bar, the second radiating copper bar, the 3rd radiating copper
Article, it is described 4th radiating copper bar screwed togather with the circuit board.
As further preferred scheme, the first radiating copper bar, the second radiating copper bar, the 3rd radiating copper
Article, it is described 4th radiating copper bar offer installation through-hole.
Used as further preferred scheme, the first radiating copper bar is additionally provided with the first line end location hole, and the battery is just
Polar curve wears the first line end location hole and is fixed on the first radiating copper bar by screw.
Used as further preferred scheme, the second radiating copper bar is additionally provided with the second line end location hole, and the load is just
Polar curve wears the second line end location hole and is fixed on the second radiating copper bar by screw.
Used as further preferred scheme, the 3rd radiating copper bar is additionally provided with the 3rd line end location hole, and the battery is born
Polar curve wears the 3rd line end location hole and is fixed on the 3rd radiating copper bar by screw.
Used as further preferred scheme, the 4th radiating copper bar is additionally provided with the 4th line end location hole, and the load is born
Polar curve wears the 4th line end location hole and is fixed on the 4th radiating copper bar by screw.
As further preferred scheme, the first radiating copper bar, the second radiating copper bar, the 3rd radiating copper
Article, the 4th radiating copper bar include a front copper bar and a reverse side copper bar, the front copper bar and the reverse side copper bar point
The tow sides of the circuit board are not fixed on.
Used as further preferred scheme, the front copper bar and the reverse side copper bar are screwed together in the circuit board respectively
Tow sides.
The utility model compared to prior art advantage and have the beneficial effect that：
1st, the utility model be a kind of circuit board cooling structure, be provided with the first radiating copper bar, second radiating copper bar, the 3rd dissipate
Hot copper bar and the 4th radiating copper bar, when battery management system high current charge-discharge, electric current can be by four radiating coppers
Bar is radiated, and because the thickness of copper bar can significantly enhance electricity considerably more than circuit plate thickness, internal resistance very little
The radiating effect of road plate.
2nd, the thickness of four radiatings copper bar of the present utility model typically can reach 5-8mm depending on the size of outer casing space,
The area of radiating copper bar is increased, that is, increases area of dissipation, radiating effect further increases；And combine the deposited copper of traditional circuit board
Heat dissipating method, radiating effect more preferably, can solve the problems, such as that the radiating effect of high current is not good.
3rd, four radiatings copper bar of the present utility model is screwed on circuit board, and compact conformation is installed simpler
It is single, convenient, fast；Also, anode line, GND line, load electrode line, load negative line this four great current powers
Line is external on four radiating copper bars respectively, without installing four hardware terminals of energy super-high-current additional on circuit boards, not only saves
The space of power saving road plate, also causes that the installation of four great current power lines is simpler, convenient, attractive in appearance.
4th, four radiatings copper bar of the present utility model includes a front copper bar and a reverse side copper bar, the circuit board of occupancy
Area it is small, but increase the area of dissipation of circuit board, further improve heat dissipation for circuit board effect.
Brief description of the drawings
Fig. 1 is the structure chart of circuit board cooling structure of the present utility model；
Fig. 2 is the structure chart of another angle of circuit board cooling structure of the present utility model；
Fig. 3 is the structure chart of the another angle of circuit board cooling structure of the present utility model.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Better embodiment of the present utility model is given in accompanying drawing.But, the utility model can come in many different forms
Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these implementation methods is to make to this practicality newly
It is more thorough comprehensive that the disclosure of type understands.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
For illustrative purposes only, it is unique implementation method to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " bag
Include the arbitrary and all of combination of one or more related Listed Items.
Embodiment
Fig. 1 is referred to, the utility model provides a kind of circuit board cooling structure 10, including circuit board 20, the circuit board
High current metal-oxide-semiconductor 21 and sampling resistor 22 are provided with, the circuit board cooling structure 10 also includes：First radiating copper bar 100, the
The two radiating radiating radiating copper bars 400 of copper bar 300 and the 4th of copper bar the 200, the 3rd.
The first radiating copper bar 100 and the second radiating copper bar 200 are individually fixed in 21 liang of the high current metal-oxide-semiconductor
Side；The 3rd radiating copper bar 300 and the 4th radiating copper bar 400 are individually fixed in the both sides of the sampling resistor 22.
It is described first radiating copper bar 100 be also fixedly connected with anode line (B+), it is described second radiating copper bar 200 also with
Load electrode line (P+) is fixedly connected, and the 3rd radiating copper bar 300 is also fixedly connected with GND line (B-), and the described 4th
Radiating copper bar 400 is also fixedly connected with load negative line (P-).
The first radiating copper bar 100, the second radiating copper bar 200, the 3rd radiating copper bar 300, the described 4th
Radiating copper bar 400 is screwed togather with the circuit board 20.Specifically, the first radiating copper bar 100, the second radiating copper bar
200th, the 3rd radiating copper bar 300, the 4th radiating copper bar 400 offer installation through-hole.On the circuit board 20
Installation screw corresponding with the installation through-hole is offered, described first is radiated by installation through-hole and installation screw with screw
Copper bar 100, the second radiating copper bar 200, the 3rd radiating copper bar 300, the 4th radiating copper bar 400 are fixed on circuit
On plate 20.
The first radiating copper bar 100, the second radiating copper bar 200, the 3rd radiating copper bar 300, the described 4th
Radiating copper bar 400 includes a front copper bar and a reverse side copper bar, and the front copper bar and the reverse side copper bar are individually fixed in
The tow sides of the circuit board 20.Specifically, the front copper bar and the reverse side copper bar are screwed together in the circuit board respectively
Tow sides.
Refer to Fig. 2.The first radiating copper bar 100 includes the first front copper bar 101 and the first reverse side copper bar 102, institute
State the first front copper bar and the first reverse side copper bar is individually fixed in the tow sides of the circuit board.Second radiating copper
Bar 200 includes the second front copper bar and the second reverse side copper bar, and second front copper bar and the second reverse side copper bar are solid respectively
Due to the tow sides of the circuit board.The 3rd radiating copper bar 300 includes the 3rd front copper bar 301 and the 3rd reverse side copper bar
302, the 3rd front copper bar and the 3rd reverse side copper bar are individually fixed in the tow sides of the circuit board.Described 4th
Radiating copper bar 400 includes the 4th front copper bar and the 4th reverse side copper bar, the 4th front copper bar and the 4th reverse side copper bar
It is individually fixed in the tow sides of the circuit board.
The first radiating copper bar 100 is additionally provided with the first line end location hole, and the anode line (B+) is worn by screw
If the first line end location hole is fixed on the first radiating copper bar 100.The second radiating copper bar 200 is additionally provided with the second line
End location hole, the load electrode line (P+) wears the second line end location hole and is fixed on second radiating copper by screw
Bar 200.
The 3rd radiating copper bar 300 is additionally provided with the 3rd line end location hole, and the GND line (B-) is worn by screw
If the 3rd line end location hole is fixed on the 3rd radiating copper bar 300.The 4th radiating copper bar 400 is additionally provided with the 4th line
End location hole, the load negative line (P-) wears the 4th line end location hole and is fixed on the 4th radiating copper by screw
Bar 400.
Refer to Fig. 3.Wherein in an implementation method, the front copper bar of the first radiating copper bar 100 is provided with " L " type
The first connection sheet 110, first connection sheet 110 offers the first line end location hole, and the anode line (B+) passes through
Screw wears the first line end location hole and is fixed on first connection sheet 110.The front copper of the second radiating copper bar 200
Bar is provided with second connection sheet 210 of " L " type, and second connection sheet 210 offers the second line end location hole, the load positive pole
Line (P+) wears the second line end location hole and is fixed on second connection sheet 210 by screw.The 3rd radiating copper bar
300 front copper bar is provided with the 3rd connection sheet 310 of " L " type, and the 3rd connection sheet 310 offers the 3rd line end location hole,
The GND line (B-) wears the 3rd line end location hole and is fixed on the 3rd connection sheet 310 by screw.It is described
The front copper bar of the 4th radiating copper bar 400 is provided with the 4th connection sheet 410 of " L " type, and the 4th connection sheet 410 offers the 4th
Line end location hole, the load negative line (P-) wears the 4th line end location hole and is fixed on the 4th connection by screw
Piece 410.
In another embodiment, the reverse side copper bar of the first radiating copper bar 100 is provided with first connection of " L " type
Piece, first connection sheet offers the first line end location hole, and the anode line (B+) wears described first by screw
Line end location hole is fixed on first connection sheet.The reverse side copper bar of the second radiating copper bar 200 is provided with second company of " L " type
Contact pin, second connection sheet offers the second line end location hole, and the load electrode line (P+) wears described by screw
Two wire terminal location hole is fixed on second connection sheet.The reverse side copper bar of the 3rd radiating copper bar 300 is provided with the 3rd of " L " type
Connection sheet, the 3rd connection sheet offers the 3rd line end location hole, and the GND line (B-) is worn described by screw
3rd line end location hole is fixed on the 3rd connection sheet.The reverse side copper bar of the 4th radiating copper bar 400 is provided with the of " L " type
Four connection sheets, the 4th connection sheet offers the 4th line end location hole, and the load negative line (P-) wears institute by screw
State the 4th line end location hole and be fixed on the 4th connection sheet.
These anode lines (B+), GND line (B-), load electrode line (P+), load negative line (P-) this four
Great current power line is external on four radiating copper bars respectively, without installing four hardware ends of energy super-high-current additional on circuit boards
Son, not only saves the space of circuit board, also causes that the installation of four great current power lines is simpler, convenient, attractive in appearance.
The above implementation method only expresses several embodiments of the present utility model, and its description is more specific and detailed
Carefully, but can not therefore and be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that general for this area
For logical technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these are all
Belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
1. a kind of circuit board cooling structure, including circuit board (20), the circuit board is provided with high current metal-oxide-semiconductor (21) and sampling
Resistance (22), it is characterised in that the circuit board cooling structure also includes：First radiating copper bar (100), the second radiating copper bar
(200), the 3rd radiating copper bar (300) and the 4th radiating copper bar (400)；
First radiating copper bar (100) and second radiating copper bar (200) are individually fixed in the high current metal-oxide-semiconductor (21)
Both sides；3rd radiating copper bar (300) and the 4th radiating copper bar (400) are individually fixed in the sampling resistor (22) two
Side；
It is described first radiating copper bar (100) be also fixedly connected with anode line, it is described second radiating copper bar (200) also with load
Electrode line is fixedly connected, and the 3rd radiating copper bar (300) is also fixedly connected with GND line, the 4th radiating copper bar
(400) also it is fixedly connected with load negative line.
2. circuit board cooling structure according to claim 1, it is characterised in that first radiating copper bar (100), described
Second radiating copper bar (200), it is described 3rd radiating copper bar (300), it is described 4th radiating copper bar (400) with the circuit board spiral shell
Close.
3. circuit board cooling structure according to claim 2, it is characterised in that first radiating copper bar (100), described
Second radiating copper bar (200), the 3rd radiating copper bar (300), the 4th radiating copper bar (400) offer installation and lead to
Hole.
4. circuit board cooling structure according to claim 3, it is characterised in that first radiating copper bar (100) also sets
There is the first line end location hole, the anode line wears the first line end location hole and be fixed on described first and dissipates by screw
Hot copper bar (100).
5. circuit board cooling structure according to claim 3, it is characterised in that second radiating copper bar (200) also sets
There is the second line end location hole, the load electrode line wears the second line end location hole and be fixed on described second and dissipates by screw
Hot copper bar (200).
6. circuit board cooling structure according to claim 3, it is characterised in that the 3rd radiating copper bar (300) also sets
There is a 3rd line end location hole, the GND line wears the 3rd line end location hole and be fixed on the described 3rd and dissipates by screw
Hot copper bar (300).
7. circuit board cooling structure according to claim 3, it is characterised in that the 4th radiating copper bar (400) also sets
There is a 4th line end location hole, the load negative line wears the 4th line end location hole and be fixed on the described 4th and dissipates by screw
Hot copper bar (400).
8. circuit board cooling structure according to claim 3, it is characterised in that first radiating copper bar (100), described
Second radiating copper bar (200), the 3rd radiating copper bar (300), the 4th radiating copper bar (400) include a front copper bar
With a reverse side copper bar, the front copper bar and the reverse side copper bar are individually fixed in the tow sides of the circuit board.
9. circuit board cooling structure according to claim 8, it is characterised in that the front copper bar and the reverse side copper bar
The tow sides of the circuit board are screwed together in respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621425301.XU CN206294414U (en) | 2016-12-23 | 2016-12-23 | A kind of circuit board cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621425301.XU CN206294414U (en) | 2016-12-23 | 2016-12-23 | A kind of circuit board cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206294414U true CN206294414U (en) | 2017-06-30 |
Family
ID=59153572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621425301.XU Active CN206294414U (en) | 2016-12-23 | 2016-12-23 | A kind of circuit board cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206294414U (en) |
-
2016
- 2016-12-23 CN CN201621425301.XU patent/CN206294414U/en active Active
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