CN213426715U - Lithium battery circuit protection board with good heat dissipation effect - Google Patents
Lithium battery circuit protection board with good heat dissipation effect Download PDFInfo
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- CN213426715U CN213426715U CN202022530520.7U CN202022530520U CN213426715U CN 213426715 U CN213426715 U CN 213426715U CN 202022530520 U CN202022530520 U CN 202022530520U CN 213426715 U CN213426715 U CN 213426715U
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- heat dissipation
- circuit protection
- rod
- heat
- protection board
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Abstract
The utility model relates to the technical field of circuit boards, in particular to a lithium battery circuit protection board with good heat dissipation effect, which comprises a circuit protection board body, wherein a heat dissipation unit is arranged on the surface of the body welded with electronic components; the heat dissipation unit comprises a substrate, a gasket, a fastening bolt and a heat dissipation rod made of copper material; the base plate is characterized in that one side of each of four corners of the base plate is spaced from the body through a gasket, the fastening bolts sequentially penetrate through the body, the gaskets and the base plate, a plurality of radiating fins are arranged on the lower plate surface of the base plate, a plurality of through holes are uniformly formed in the base plate and are arranged between every two adjacent radiating fins, a radiating rod is connected in each through hole in a sliding mode, and one end of each radiating rod is attached to the surface of an electronic component welded on the body.
Description
Technical Field
The utility model relates to a circuit board technical field especially relates to a lithium battery circuit protection shield that radiating effect is good.
Background
Lithium cell is in the charging process, there is a period of time in earlier stage for filling the mode soon, the later stage is for filling the mode slowly until the point of charging, and during the mode fills soon earlier, lithium cell circuit protection board is because of the electric current leads to circuit protection board to generate heat greatly, especially in summer, circuit protection board generates heat more seriously, and current lithium cell circuit protection board radiating mode is generally through erectting a heating panel at circuit protection board, add the heat dissipation fan again, the heat that gives off on the circuit protection board passes through gas transmission to the heating panel, metal solid heat conduction is poor is compared to gaseous heat conduction effect, and these modes still fail in time and effectively dispel the heat to circuit protection board, for this reason through the design one kind through the good lithium cell circuit protection board of radiating effect of metal solid heat.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem lie in providing a lithium battery circuit protection shield that radiating effect is good, through designing a lithium battery circuit protection shield that radiating effect is good through metal solid heat conduction.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a lithium battery circuit protection board with good heat dissipation effect comprises a circuit protection board body, wherein a heat dissipation unit is arranged on one surface of the circuit protection board body, on which electronic components are welded; the heat dissipation unit comprises a substrate, a gasket, a fastening bolt and a heat dissipation rod made of copper material; the electronic component heat dissipation device is characterized in that one side of each of four corners of the substrate is spaced from the body through the gaskets, the fastening bolts sequentially penetrate through the body, the gaskets and the substrate, a plurality of heat dissipation fins are arranged on the lower plate surface of the substrate, a plurality of through holes are uniformly formed in the substrate, the through holes are formed between every two adjacent heat dissipation fins, the heat dissipation rods are connected in the through holes in a sliding mode, and one ends of the heat dissipation rods are attached to the surface of an electronic component welded on.
Preferably, a heat-conducting silicone grease layer is coated on an outer ring of one end of the heat dissipation rod.
Preferably, two sides of the substrate are respectively provided with an exhaust fan; the casing rigid coupling of exhaust fan is on the side of base plate, and one of them exhaust fan is gone into between base plate and body and the radiating rod with external wind, and another exhaust fan takes out the hot-blast extraction that separates between base plate and body and the radiating rod, and the wind flow direction is parallel with the heating panel.
Preferably, each heat dissipation rod is uniformly provided with a plurality of concave parts from top to bottom.
Preferably, both sides of the shell of the exhaust fan are provided with a drainage plate; two ends of the drainage plate are fixedly connected to the side wall of the shell of the exhaust fan, and a plurality of heat-conducting plates are arranged on the drainage plate; the heat conducting plate is symmetrically and fixedly connected on the drainage plate relative to the drainage plate.
Preferably, the top of the heat dissipation rod is provided with a cover plate, the cover plate covers the heat dissipation rod, the edge of the cover plate is provided with magnetism, and the cover plate is magnetically attracted on the casing and the drainage plate of the exhaust fan.
The utility model has the advantages that:
attached at electronic components in cooling rod one end on the base plate, on the heat direct transfer that electronic components produced the cooling rod, rather than conducting the cooling rod through gas, make the cooling rod can in time and fast absorb the heat that electronic components produced, then in giving off the environment with the heat through the cooling rod, and on the cooling rod through the heat transfer of gas absorption to the base plate, again on transmitting the cooling rod from the base plate, dispel the heat to the body once more, make the body at the during operation, be in the safe and stable state, reduce the spoilage that electronic components leads to because of generating heat on the body, the life of extension body.
Through heat conduction silicone grease, firstly carry out insulation treatment with the one end of heat dissipation rod, have insulating nature because of heat conduction silicone grease, avoid the heat dissipation rod to lead to the emergence of short circuit phenomenon with electronic components's connection pin electric connection, secondly heat conduction silicone grease has good heat conductivity, fails to cause the influence to the heat conductivity of heat dissipation rod.
Drawings
FIG. 1 is an internal structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a perspective view of the present invention;
in the figure: the heat radiating device comprises a body 1, a heat radiating unit 2, a base plate 21, a heat radiating fin 211, a gasket 22, a fastening bolt 23, a heat radiating rod 24, a concave part 241, an exhaust fan 3, a flow guiding plate 4, a heat conducting plate 41 and a cover plate 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Specific examples are given below.
Referring to fig. 1-3, a lithium battery circuit protection board with good heat dissipation effect includes a circuit protection board body 1, and a heat dissipation unit 2 is arranged on one surface of the body 1 welded with electronic components; the heat dissipation unit 2 comprises a substrate 21, a washer 22, a fastening bolt 23 and a heat dissipation rod 24 made of copper; one side of each of four corners of the substrate 21 is spaced from the body 1 through a gasket 22, a fastening bolt 23 sequentially penetrates through the body 1, the gasket 22 and the substrate 21, the lower plate surface of the substrate 21 is provided with a plurality of radiating fins 211, the substrate 21 is uniformly provided with a plurality of through holes, the through holes are formed between every two adjacent radiating fins 211, each through hole is connected with a radiating rod 24 in a sliding manner, and one end of each radiating rod 24 is attached to the surface of an electronic component welded on the body 1; in the charging process of the lithium battery, a period of time is a quick charging mode in the early stage, the mode is a slow charging mode until a charging point in the later stage, and during the early-stage quick charging mode, the circuit protection board generates heat due to large current of the lithium battery circuit protection board, particularly in summer, the circuit protection board generates heat more seriously, the existing heat dissipation mode of the lithium battery circuit protection board is generally that a heat dissipation plate is erected on the circuit protection board, a heat dissipation fan is additionally arranged, the heat dissipated from the circuit protection board is transferred to the heat dissipation plate through gas, the heat conduction effect of the gas is poor compared with that of a metal solid, and the modes still fail to timely and effectively dissipate the heat of the circuit protection board, so that the lithium battery circuit protection board with good heat dissipation effect through; fix base plate 21 on body 1 and weld a face of electronic components, 24 one ends of radiating rods on base plate 21 are attached at electronic components, the heat that electronic components produced directly transmits to radiating rods 24, rather than through gaseous heat conduction to radiating rods 24, make radiating rods 24 can in time and fast absorb the heat that electronic components produced, then through radiating rods 24 give off the heat to the environment, and on the radiating fin 211 through gaseous absorptive heat transmission to base plate 21, on transmitting to radiating rods 24 from base plate 21 again, dispel the heat to body 1 once more, make body 1 at the during operation, be in safe and stable state, reduce the spoilage that electronic components lead to because of generating heat on body 1, prolong the life of body 1.
As an embodiment of the present invention, an outer ring of one end of the heat dissipation rod 24 is coated with a heat conductive silicone layer; through heat conduction silicone grease, firstly carry out insulation treatment with the one end of cooling rod 24, have insulating nature because of heat conduction silicone grease, avoid cooling rod 24 to lead to the emergence of short circuit phenomenon with electronic components's connecting pin electric connection, secondly heat conduction silicone grease has good heat conductivity, fails to cause the influence to cooling rod 24's heat conductivity.
As an embodiment of the present invention, two sides of the base plate 21 are respectively provided with an exhaust fan 3; the shell of the exhaust fan 3 is fixedly connected on the side edge of the substrate 21, wherein one exhaust fan 3 exhausts outside air between the substrate 21 and the body 1 and the heat dissipation rod 24, and the other exhaust fan 3 exhausts hot air between the substrate 21 and the body 1 and the heat dissipation rod 24, and the air flowing direction is parallel to the heat dissipation plate; the heat of the heat dissipation rod 24 is timely exhausted by the two exhaust fans 3, so that the heat dissipation rod 24 can continuously and effectively absorb heat.
As an embodiment of the present invention, each heat dissipation rod 24 is provided with a plurality of concave portions 241 uniformly from top to bottom; by providing the plurality of concave portions 241 in the heat dissipation rod 24, the heat dissipation specific surface area of the heat dissipation rod 24 is increased, and the heat dissipation effect of the heat dissipation rod 24 is increased.
As an embodiment of the present invention, two sides of the casing of the exhaust fan 3 are provided with the drainage plates 4; two ends of the drainage plate 4 are fixedly connected to the side wall of the shell of the exhaust fan 3, and a plurality of heat conducting plates 41 are arranged on the drainage plate 4; the heat conducting plate 41 is symmetrically and fixedly connected to the drainage plate 4 about the drainage plate 4; through the drainage plate 4, the wind restriction that discharges into with exhaust fan 3 is between the cooling rod 24, and the external nature wind has more to carry out cooling treatment to cooling rod 24, and the heat-conducting plate 41 on the drainage plate 4 plays the additional action to the heat dissipation of cooling rod 24 simultaneously.
As an embodiment of the present invention, a cover plate 5 is disposed above the heat dissipation rod 24, the cover plate 5 covers the heat dissipation rod 24, the edge of the cover plate 5 is provided with magnetism, and the cover plate 5 is magnetically attracted to the casing of the exhaust fan 3 and the drainage plate 4; prevent external dust deposit on the cooling rod 24 through cover plate 5, influence the 24 radiating effect of cooling rod, cover plate 5 adsorbs on exhaust fan 3's casing and drainage plate 4 through the magnetism mode of inhaling simultaneously, makes things convenient for taking off of cover plate 5.
The working principle is as follows: the substrate 21 is fixed on the body 1, one surface of the electronic component is welded on the substrate, one end of the heat dissipation rod 24 on the substrate 21 is attached to the electronic component, the heat generated by the electronic component is directly transferred to the heat dissipation rod 24 instead of being transferred to the heat dissipation rod 24 through gas heat conduction, so that the heat dissipation rod 24 can timely and quickly absorb the heat generated by the electronic component, then the heat is dissipated to the environment through the heat dissipation rod 24, the heat absorbed by the gas on the heat dissipation sheet 211 is transferred to the substrate 21 and then transferred from the substrate 21 to the heat dissipation rod 24, the body 1 is cooled again, when the body 1 works, the body 1 is in a safe and stable state, the damage rate of the electronic component on the body 1 caused by heating is reduced, the service life of the body 1 is prolonged, and one end of the heat dissipation rod 24 is insulated through the heat conduction silicone grease, and the heat conduction silicone grease has insulation property, avoid heat-dissipating stick 24 to lead to the emergence of short circuit phenomenon with electronic components's connecting pin electric connection, secondly heat conduction silicone grease has good heat conductivity, fails to cause the influence to heat conductivity of heat-dissipating stick 24, cooperates two exhaust fans 3 simultaneously, in time releases the heat of heat-dissipating stick 24 for heat-dissipating stick 24 can continue and effectual heat absorption.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a lithium battery circuit protection shield that radiating effect is good, includes circuit protection shield body, its characterized in that: a heat dissipation unit is arranged on one surface of the body welded with the electronic component; the heat dissipation unit comprises a substrate, a gasket, a fastening bolt and a heat dissipation rod made of copper material; the electronic component heat dissipation device is characterized in that one side of each of four corners of the substrate is spaced from the body through the gaskets, the fastening bolts sequentially penetrate through the body, the gaskets and the substrate, a plurality of heat dissipation fins are arranged on the lower plate surface of the substrate, a plurality of through holes are uniformly formed in the substrate, the through holes are formed between every two adjacent heat dissipation fins, the heat dissipation rods are connected in the through holes in a sliding mode, and one ends of the heat dissipation rods are attached to the surface of an electronic component welded on.
2. The lithium battery circuit protection board with good heat dissipation effect as claimed in claim 1, wherein: and an outer ring at one end of the heat dissipation rod is coated with a heat conduction silicone grease layer.
3. The lithium battery circuit protection board with good heat dissipation effect as claimed in claim 1, wherein: exhaust fans are respectively arranged on two sides of the substrate; the casing rigid coupling of exhaust fan is on the side of base plate, and one of them exhaust fan is gone into between base plate and body and the radiating rod with external wind, and another exhaust fan takes out the hot-blast extraction that separates between base plate and body and the radiating rod, and the wind flow direction is parallel with the heating panel.
4. The lithium battery circuit protection board with good heat dissipation effect as claimed in claim 1, wherein: a plurality of concave parts are uniformly arranged on the upper part and the lower part of each heat dissipation rod.
5. The lithium battery circuit protection board with good heat dissipation effect as claimed in claim 3, wherein: drainage plates are arranged on two sides of the shell of the exhaust fan; two ends of the drainage plate are fixedly connected to the side wall of the shell of the exhaust fan, and a plurality of heat-conducting plates are arranged on the drainage plate; the heat conducting plate is symmetrically and fixedly connected on the drainage plate relative to the drainage plate.
6. The lithium battery circuit protection board with good heat dissipation effect as claimed in claim 1, wherein: the top of the heat dissipation rod is provided with a cover plate, the cover plate covers the heat dissipation rod, the edge of the cover plate is provided with magnetism, and the cover plate is magnetically attracted on the shell and the drainage plate of the exhaust fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022530520.7U CN213426715U (en) | 2020-11-04 | 2020-11-04 | Lithium battery circuit protection board with good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022530520.7U CN213426715U (en) | 2020-11-04 | 2020-11-04 | Lithium battery circuit protection board with good heat dissipation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213426715U true CN213426715U (en) | 2021-06-11 |
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ID=76249297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022530520.7U Active CN213426715U (en) | 2020-11-04 | 2020-11-04 | Lithium battery circuit protection board with good heat dissipation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213426715U (en) |
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2020
- 2020-11-04 CN CN202022530520.7U patent/CN213426715U/en active Active
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