CN214589136U - Circuit board isolation structure under battery pack air window - Google Patents

Abstract

The utility model discloses a circuit board isolation structure under battery package wind window, which is characterized in that the isolation structure comprises a shell and a battery pack, the battery pack is arranged in the shell, the battery pack comprises a support, a circuit board and a plurality of batteries, the batteries are orderly arranged at the bottom of the support, the circuit board is arranged at the top of the support, the top of the shell is provided with a vertical fence wind window extending downwards, the bottom opening of the fence wind window corresponds to the position of an electronic component on the circuit board, and the electronic component at the position corresponding to the bottom opening is coated with a protective coating; the fence air window has the advantages that the electronic components and welding points of the circuit board right below the fence air window are coated with the protective coating which can prevent dust and water.

Description

Circuit board isolation structure under battery pack air window

Technical Field

The utility model relates to a battery package especially relates to an isolated structure of circuit board under battery package wind window.

Background

At present, hand-held electric tools can be classified into hand-held angle grinders, hand-held electric drills, hand-held electric hammers, hand-held reciprocating saws, hand-held electric screwdrivers, hand-held polishing machines and the like according to types, and the hand-held electric tools generally need to be powered by a battery pack.

A battery pack for a power tool, such as that disclosed in CN201450354U, includes a housing and a battery element disposed in the housing, the battery element including a battery cell.

A battery pack convenient to assemble and disassemble with the publication number of CN201728641U comprises a battery pack shell (2), wherein the battery pack shell is formed by buckling and connecting a base (3) and an upper cover (4).

The battery pack has no air window, the ventilation and heat dissipation effects are poor, and the circuit board in the battery pack generates heat seriously after long-time use; some battery packs also have air windows, but the positions of the air windows do not correspond to the positions of the circuit boards, so that the ventilation and heat dissipation effects are poor.

Therefore, some battery packs have air windows aligned with the circuit board, the heat dissipation effect is good, but the structure easily pollutes the circuit board, substances such as dust easily fall on the circuit board to influence the normal operation of the circuit board, and even water flows into the circuit board from the air windows, so that the circuit board breaks down.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a circuit board isolation structure under battery package wind window that better protection circuit board just can also have better ventilation radiating effect is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: isolated structure of circuit board under battery package wind window, its characterized in that: including casing and group battery, the group battery is established inside the casing, the group battery includes support, circuit board and a plurality of battery, and the battery is arranged in order and is established in the support bottom, and the circuit board is established at the support top, and the top of casing is equipped with vertical downwardly extending's fence wind window, and the end opening position of fence wind window is corresponding with electronic components's on the circuit board position, and the coating has protective coating on the electronic components of end opening corresponding position department.

The utility model discloses further preferred scheme does: the position of the fence air window is positioned right above the electronic component.

The utility model discloses further preferred scheme does: and a plurality of partition plates are arranged in the fence air windows to separate the fence air windows.

The utility model discloses further preferred scheme does: the clapboards are arranged in parallel.

The utility model discloses further preferred scheme does: the baffle is vertical setting.

The utility model discloses further preferred scheme does: gaps are arranged among the batteries to form an air duct communicated with the air windows of the fence.

The utility model discloses further preferred scheme does: the bottom of the shell is provided with heat dissipation holes communicated with the air duct.

The utility model discloses further preferred scheme does: the protective coating is a nano moisture-proof corrosion-resistant coating.

The utility model discloses further preferred scheme does: the protective coating is made of transparent materials.

The utility model discloses further preferred scheme does: the number of the partition plates is three.

Compared with the prior art, the utility model has the advantages that there is the ventilation hole battery package bottom, and the top is equipped with fence wind window, has the ventilation interval between the battery package, forms the wind channel and dispels the heat to the circuit board, and the coating has protective coating on the electronic components of the circuit board under the fence wind window and the welding point, and protective coating can dustproof and waterproof.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the whole battery pack;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic view of a battery pack;

fig. 5 is a schematic view of the bottom case.

In the figure: 1. a housing; 2. a battery pack; 3. a shock absorbing bar; 4. a return spring; 11. an upper cover; 111. clamping a button; 112. a fence wind window; 113. a partition plate; 12. a bottom case; 121. heat dissipation holes; 13. a side cover; 21. a support; 22. A circuit board; 221. a socket; 222. an electronic component; 23. a battery.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

Isolated structure of circuit board under battery package wind window, including casing 1 and group battery 2, in group battery 2 located casing 1, casing 1 includes upper cover 11, drain pan 12 and side lid 13, and back on group battery 2 was placed on drain pan 12 all places side lid 13 on the both sides of group battery 2, covers upper cover 11 at last, locks upper cover 11 and drain pan 12 through the screw.

Be equipped with joint button 111 on the upper cover 11, be equipped with reset spring 4 between joint button 111 and the group battery 2, joint button 111 can realize the joint with electric tool assembly back, presses joint button 111 to pull down battery package and electric tool's being connected.

Be equipped with two shock attenuation strips 3 with group battery 2 looks adaptation on the drain pan 12 at least, the material of shock attenuation strip 3 is the rubber material, and 3 fixed connection of shock attenuation strip are on drain pan 12, and group battery 2 is fixed to be placed on shock attenuation strip 3, and the shock attenuation of help group battery 2 increases its life.

The bottom case 12 is provided with heat dissipation holes 121 to facilitate heat dissipation of the battery pack.

The battery pack 2 comprises a support 21, a circuit board 22 and a plurality of batteries 23, the number of the batteries 23 is 5, the batteries 23 are arranged in order and arranged at the bottom of the support 21, the bottoms of the 5 batteries 23 are flush, a gap is reserved between the batteries 23 to form an air duct, so that the batteries 23 can dissipate heat, the circuit board 22 is arranged at the upper end of the support 21, the circuit board 22 is electrically connected with the batteries 23, and the circuit board 22 is further provided with a socket 221 connected with an electric tool.

Various electronic components 222 are provided on the circuit board 22.

The top of the upper cover 11 is provided with the fence window 112, the position of the fence window 112 corresponds to the position of the circuit board 22, and further, the position of the fence window 112 is located right above the electronic component 222, which is more favorable for heat dissipation of the electronic component on the circuit board 22.

The fence air windows 112 are internally provided with a plurality of partition plates 113 to divide the fence air windows 112, the number of the partition plates 113 is three, the fence air windows 112 are divided into four equal parts, and further, the partition plates 113 are arranged in parallel and are vertically arranged, so that the air inlet amount of the fence air windows 112 is kept to the maximum, and the heat dissipation effect of the fence air windows 112 is further enhanced.

The electronic component 222 and the solder joints thereof on the circuit board 22 are coated with a protective coating, and since the fence window 112 is aligned with the circuit board 22, it is relatively easy for foreign matters such as dust to enter from the fence window 112 and attach to the circuit board 22, and therefore the circuit board 22 needs to be coated with a protective coating with dustproof and waterproof functions to protect the circuit board from being affected.

The protective coating is made of transparent materials, so that electronic components can be clearly seen, the protective coating is a nano moisture-proof corrosion-resistant coating and has good dustproof and waterproof effects, and further the protective coating is a TIS-NM nano coating.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

It is right above the utility model provides an isolated structure of circuit board under battery package wind window has carried out detailed introduction, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been explained, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. Isolated structure of circuit board under battery package wind window, its characterized in that: including casing and group battery, the group battery is established inside the casing, the group battery includes support, circuit board and a plurality of battery, and the battery is arranged in order and is established in the support bottom, and the circuit board is established at the support top, and the top of casing is equipped with vertical downwardly extending's fence wind window, and the end opening position of fence wind window is corresponding with electronic components's on the circuit board position, and the coating has protective coating on the electronic components of end opening corresponding position department.

2. The insulation structure of circuit board under the window of battery pack of claim 1, wherein: and a plurality of partition plates are arranged in the fence air windows to separate the fence air windows.

3. The insulation structure of circuit board under the window of battery pack of claim 2, wherein: the clapboards are arranged in parallel.

4. The insulation structure of circuit board under the window of battery pack of claim 2, wherein: the baffle is vertical setting.

5. The insulation structure of circuit board under the window of battery pack of claim 1, wherein: the position of the fence air window is positioned right above the electronic component.

6. The insulation structure of circuit board under the window of battery pack of claim 1, wherein: gaps are arranged among the batteries to form an air duct communicated with the air windows of the fence.

7. The insulation structure of circuit board under the window of battery pack of claim 6, wherein: the bottom of the shell is provided with heat dissipation holes communicated with the air duct.

8. The insulation structure of circuit board under the window of battery pack of claim 1, wherein: the protective coating is a nano moisture-proof corrosion-resistant coating.

9. The insulation structure of circuit board under the window of battery pack of claim 1, wherein: the protective coating is made of transparent materials.

10. The insulation structure of circuit board under the window of battery pack of claim 2, wherein: the number of the partition plates is three.

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