WO2021143605A1

WO2021143605A1 - Waterproof and dustproof battery protection plate

Info

Publication number: WO2021143605A1
Application number: PCT/CN2021/070554
Authority: WO
Inventors: 叶忠良
Original assignee: 深圳市广智霖科技有限公司
Priority date: 2020-01-17
Filing date: 2021-01-07
Publication date: 2021-07-22
Also published as: CN111653699B; CN113937372A; CN111653699A

Abstract

Disclosed in the present invention is a waterproof and dustproof battery protection plate, comprising a housing, a circuit board, a first waterproof mechanism, and a second waterproof mechanism. The left side of the housing is fixedly provided with an input rubber-wrapped wire seat that is connected to an external battery; the input rubber-wrapped wire seat and an output rubber-wrapped wire seat both are provided with locking apparatuses; and the left and right sides of the housing both are provided with locking apparatuses matched with the input rubber-wrapped wire seat and the output rubber-wrapped wire seat. The present invention relates to the technical field of battery protection. The housing of the waterproof batter protection plate can be processed by means of extrusion molding, only one mold is needed, and good universality can be achieved; the number of molds is reduced, mounting is simple, waterproof performance is improved but no extra process is added, and a waterproof process plate is simpler than a common waterproof process plate, and thus, the cost performance is greatly improved and popularization becomes possible; a used sealing ring may be a standard product, and thus, the cost performance is further improved; the housing can integrate waterproof performance and heat dissipation performance, and can perform cooling when performing water prevention.

Description

Waterproof and dustproof battery protection board

Technical field

The invention relates to the technical field of battery protection, in particular to a waterproof and dustproof battery protection board.

Background technique

A battery refers to a part of the space of a cup, tank, or other container or composite container that contains metal electrodes to generate electric current. It can convert chemical energy into electrical energy. It can be divided into positive and negative electrodes. With the advancement of technology, batteries generally refer to Small devices that can generate electricity, such as solar cells. The performance parameters of the battery mainly include electromotive force, capacity, specific energy and resistance. Using the battery as an energy source can obtain stable voltage, stable current, and long-term stable power supply, which is very affected by the outside world. Low current, simple battery structure, easy to carry, simple charging and discharging operation, not affected by external climate and temperature, stable and reliable performance, and play a great role in all aspects of modern social life.

As rechargeable and reusable batteries are used more and more widely, waterproof and dustproof have become an inevitable trend in the development of battery protection boards. However, the existing waterproof and dustproof boards generally adopt an integral encapsulation method to sacrifice heat dissipation. For the price, it also increases the maintenance cost (maintenance requires a dedicated degumming device). The patch cord part in this mode cannot play the role of completely waterproof and dustproof, and the mold cost is high. One board and one mold are required, and injection molding is required during assembly. The machine is assembled and the operation is cumbersome, and the battery series are large, which leads to a large investment in enterprises, making it difficult to use this product in a large area.

Summary of the invention

(1) Technical problems solved

Aiming at the shortcomings of the prior art, the present invention provides a waterproof and dust-proof battery protection board, which solves the problem of heavy bulk, requiring one board and one mold, low cost performance, and cannot achieve high efficiency in waterproof, dustproof and heat dissipation. The question of practicality.

(2) Technical solution

In order to achieve the above objectives, the present invention is achieved through the following technical solutions: a waterproof and dustproof battery protection board, including a casing, a circuit board, a first waterproof mechanism and a second waterproof mechanism, the left side of the casing is fixed with an input The rubber-coated wire seat is connected to the battery, and the right side of the casing is fixed to the output rubber-coated wire seat. The input rubber-coated wire seat and the output rubber-coated wire seat have locking mechanisms. The input rubber-coated wire seat, and The output covered wire seat is respectively provided with a first waterproof mechanism pre-fixed installation position, and a second waterproof mechanism pre-fixed installation position. The housings have locks that are matched with the input covered wire seat and the output covered wire seat. Mechanism, the housing has a waterproof contact surface that is matched with the input covered wire seat and the output covered wire seat, and the housing has the input covered wire seat and the output covered wire seat. Fix the positioning mechanism of the circuit board.

Preferably, the material of the shell is a metal material, and the shell is preferably gold, silver, copper, iron, or aluminum. In this example, it is preferably an aluminum alloy with high thermal conductivity, easy processing, and light weight.

Preferably, the first waterproof mechanism and the second waterproof mechanism are both rubber rings, and to match the waterproof contact surface of the housing, an O-shaped rubber ring and a flat rubber ring are used in this example.

Preferably, the input rubber-coated wire seat is formed by wrapping the battery connecting wires with plastic, the input rubber-coated wire seat is provided with a locking mechanism, the first waterproof mechanism is pre-fixed in the installation position, and the circuit board is fixed and positioned.

Preferably, the output rubber-coated wire seat is formed by wrapping the output wires of the protective board with plastic, the output rubber-coated wire seat is provided with a locking mechanism, the second waterproof mechanism is pre-fixed in the installation position, and the circuit board is fixed and positioned.

Preferably, the hollow cavity of the housing contains a circuit board, and the circuit board is respectively connected with the wires of the input covered wire seat and the output covered wire seat.

Preferably, the hollow cavity of the housing is matched with an input covered wire seat and an output covered wire seat to fix the circuit board.

Preferably, the housing locking mechanism cooperates with the input covered wire seat and the output covered wire seat locking mechanism. After the locking is completed, the input covered wire is fixed, the output covered wire seat, the first waterproof mechanism, and the Two waterproof mechanisms are fastened.

Preferably, a thermal conductive glue is injected between the casing and the circuit board power device to guide the heat from the circuit board to the casing.

Preferably, neither the first waterproof mechanism nor the second waterproof mechanism can be used, and the remaining mechanisms can work normally and retain the dust-proof function.

(3) Beneficial effects

The invention provides a waterproof and dustproof battery protection board. Compared with the prior art, it has the following beneficial effects:

(1) The waterproof and dustproof battery protection board housing is a hollow cavity. Choose aluminum alloy with good heat dissipation performance, easy processing, high cost performance, and good metal performance. It can be formed by extrusion molds. A few sets of molds can meet market demand, reduce cost input, and improve cost performance. The extrusion die has a fast mold opening speed and a low price, which further improves the cost performance.

(2) The waterproof and dustproof battery protection board is assembled with thermal conductive glue. After assembly, the shell is sealed with waterproof ability. The heat energy is transferred to the shell through the thermal conductive glue. The shell combines waterproof and heat dissipation into one, which can be waterproof. Cooling at the same time, the larger the shell volume, the better the heat dissipation performance, which further improves the cost performance.

(3) After the waterproof and dustproof battery protection board is assembled, it can be used completely immersed in water to further expand its use space.

(4) This waterproof and dustproof battery protection and waterproof mechanism can give priority to O-type standard rubber rings, which further reduces costs and speeds up production.

(5) The waterproof and dustproof battery protection board locking mechanism is reusable, and maintenance becomes simple. It can quickly disassemble the locking mechanism, replace the battery, and replace the circuit board, so that the waterproof protection board can replace the battery. It is as simple as replacing the battery with an ordinary protection board without waterproof function, and the maintenance cost is further reduced.

Description of the drawings

Figure 1 is a perspective view of the structure of the present invention;

Figure 2 is an exploded view of the structure of Embodiment 1 of the present invention;

Figure 3 is a perspective view of the housing structure of the present invention;

4 is a three-dimensional view of the structure of the battery connection wire seat of the present invention;

Figure 5 is a perspective view of the output seat structure of the present invention;

Figure 6 is a perspective view of the circuit board structure of the present invention;

[Corrected according to Rule 91 05.02.2021]
Fig. 7 is an exploded view of the structure of Embodiment 2 of the present invention.

[Corrected according to Rule 91 05.02.2021]

In the figure, 1 housing, 2 circuit boards, 3 first waterproof mechanism, 4 second waterproof mechanism, 5 input covered wire seat, 6 output covered wire seat, 7 locking mechanism (male), 8 locking mechanism (Female), 9 first waterproof mechanism pre-installed position, 10 second waterproof mechanism pre-installed position, 11 output connection line, 12 input wire, 13 input connection line.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[Corrected according to Rule 91 05.02.2021]
1-7, the embodiment of the present invention provides two technical solutions: a waterproof and dustproof battery protection board, which specifically includes the following embodiments:

Example 1

In this example, the locking mechanism is a buckle, and the waterproof mechanism is a 0-shaped rubber ring.

A waterproof and dustproof battery protection board includes a casing 1, a circuit board 2, a first waterproof mechanism 3, and a second waterproof mechanism 4. The first waterproof mechanism 3, the second waterproof mechanism 4 and the inner walls of both ends of the housing 1 The planes cooperate with each other to achieve the effect of waterproofing, and the first waterproof mechanism 3 and the second waterproof mechanism 4 are both standard O-rings, the material of the housing 1 is aluminum alloy, the inside of the housing 1 is a hollow cavity, and the inside of the housing 1 The cavity contour is consistent with the outer contour of the input rubber wire seat 5 and the output rubber wire 6, the left and right sides of the shell 1 are left with fixed locking position female buckle square holes, and the left side of the shell 1 is fixed with the input rubber wire seat 5. The left side of the input wire socket 5 is connected to the battery, and the right side is connected to the circuit board 2. In this example, the standard plug-in connection is used. This device is standard for most battery protection boards, and the circuit board 2 is equipped with matching contacts The right side of the shell is connected to the output rubber-coated wire socket 6, the left side of the output wire socket 6 is connected to the output terminal of the circuit board 2, the right side of the wire is connected to the power output of external electrical equipment or the charger, and the input rubber-coated wire socket 5 The first waterproof mechanism pre-installation position and the second waterproof mechanism pre-installation position are respectively provided with the output covered wire seat 6 and the input covered wire seat 5 and the output covered wire seat 6 are respectively provided with a locking mechanism male head 7 (card Buckle male head), the input rubber-coated wire seat 5 and the output rubber-coated wire seat 6 are respectively provided with a positioning mechanism for positioning the circuit board 2.

When in use, put the 0-type rubber ring into the pre-installation position 10 of the waterproof mechanism of the output rubber wire 6, and connect the left end of the output rubber wire 6 to the circuit board. At the same time, the fixed positions of the circuit board and the rubber wire 6 should be aligned. Insert the connected circuit board 2 and the output rubber wire seat 6 into the housing 1, and the buckle male of the male connector 7 of the locking mechanism moves with the inserted circuit board 2 and automatically snaps into the housing 1. In the square hole of the locking mechanism 8 female buckle, the right end of the protective plate is assembled after the card is locked, and the thermal conductive glue is injected, and then the 0-type loop is inserted into the waterproof mechanism pre-installation position 9 of the input rubber wire 5, and aligns with the input rubber wire The plug and the circuit board 2 are in contact with the direction of the socket, insert the input rubber-covered wire socket into the housing 1, the buckle male of the male connector of the locking mechanism 7 moves with the inserted input rubber-covered wire 5 and automatically snaps into the housing 1 In the locking mechanism 8 of the female buckle in the square hole, the circuit board 2 automatically connects the plug of the input covered cable seat 5 to the common positioning mechanism of the input covered cable seat 5, the output covered cable seat 6 and the shell The circuit board 2 is contacted and seated, and the left end of the protection board is assembled after the card is locked. After the assembly is completed, the left side inner wall of the housing 1 is matched with the input rubber wire seat 5 to squeeze the first waterproof mechanism 3 (0-type rubber ring) to achieve a waterproof sealing effect. , The inner wall plane on the right side of the housing 1 cooperates with the output rubber wire seat 6 to squeeze the second waterproof mechanism 4 (0 type rubber ring) to achieve a waterproof sealing effect. The housing 1 is an internal hollow cavity, and the entire inner cavity is completed by waterproofing on both sides Waterproof finish.

Example 2

In this example, the locking mechanism is a screw thread, and the waterproof mechanism is a flat rubber ring.

A waterproof and dustproof battery protection board includes a casing 1, a circuit board 2, a first waterproof mechanism 3, and a second waterproof mechanism 4. The first waterproof mechanism 3 and the second waterproof mechanism 4 are flat with the two ends of the housing 1 Cooperate with each other to achieve a waterproof effect, and the first waterproof mechanism 3 and the second waterproof mechanism 4 are both flat rubber rings, the material of the housing 1 is aluminum alloy, the inside of the housing 1 is a hollow cavity, and the inner cavity of the housing 1 is contoured. It is consistent with the outer contour of the input covered wire seat 5 and the output covered wire 6. The left and right sides of the shell 1 are equipped with fixed locking device threads, and the shell 1 has positioning grooves for fixing and restricting the sliding of the circuit board 2. The shell 1 The left side of the fixed input encapsulated wire seat 5, the left side of the input encapsulated wire 5 wire is connected to the battery, and the right side is connected to the circuit board 2. In this example, the standard plug-in connection is used. This device is the standard configuration of most battery protection boards. The right side of the board 2 is equipped with a matching contact base, the right side of the shell is connected to the output rubber line base 6, the left side of the output line base 6 is connected to the output terminal of the circuit board 2, and the right side of the wire is connected to the power output of the external electrical equipment Or a charger, the input covered wire seat 5 and the output covered wire seat 6 are respectively provided with a first waterproof mechanism pre-fixed position 9, a second waterproof mechanism pre-fixed position 10, an input covered wire seat 5 and an output covered wire seat 6 are respectively provided with a locking mechanism (screw through hole), and the input covered wire seat 5 and the output covered wire seat 6 are respectively provided with a positioning circuit board 2 mechanism.

When in use, put the flat rubber ring into the pre-installation position 10 of the waterproof mechanism of the output rubber wire seat 6, and connect the left end of the output rubber wire 6 to the circuit board. At the same time, the fixed positions of the circuit board and the rubber wire 6 should be aligned. Align the connected circuit board 2 and the output rubber wire seat 6 into the sliding groove of the housing 1, insert the screw to the bottom, and pass the screw through the screw hole of the locking mechanism of the output rubber wire seat 6. At this time The screw is aligned with the threaded position on the right side of the shell. After the screw is locked, the right end of the protective plate is assembled, and the thermal conductive glue is injected, and then the flat rubber ring is inserted into the waterproof mechanism pre-installation position 9 of the input covered wire seat 5, and aligned to the input The direction of the plug of the rubber-covered wire and the contact seat of the circuit board, insert the input rubber-coated wire socket 5 into the housing 1, and pass the screw through the output rubber-coated wire socket 5 locking mechanism 8 screw through hole, at this time the screw is aligned The left side of the shell is threaded and the left end of the protective board is assembled after the screw is locked. The circuit board 2 automatically wraps the input under the action of the co-positioning mechanism of the input covered wire seat 5, the output covered wire seat 6 and the shell. The plug of the wire seat 5 is connected to the contact seat of the circuit board 2, and the assembly is completed. The left side surface of the housing 1 is flatly matched with the input rubber-covered wire seat 5 to squeeze the first waterproof mechanism 3 (flat rubber ring) to achieve a waterproof sealing effect. The right end surface is matched with the output rubber-coated wire seat 6 to squeeze the second waterproof mechanism 4 (flat rubber ring) to achieve a waterproof sealing effect. The housing 1 is an internal hollow cavity. When the waterproofing on both sides is completed, the entire internal cavity is waterproofed.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply one of these entities or operations. There is any such actual relationship or order between. Moreover, the terms "include", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes those that are not explicitly listed Other elements of, or also include elements inherent to this process, method, article or equipment.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. And variations, the scope of the present invention is defined by the appended claims and their equivalents.

Claims

A waterproof and dustproof battery protection board, and its realization method specifically includes the following steps:

Wrap the input line and output line into a whole, and set aside the pre-installation position of the waterproof mechanism, fix the circuit board positioning mechanism, and the locking mechanism;

The shell is made into a hollow structure, and the locking mechanism that matches the input and output lines, the fixed circuit board positioning mechanism, and the plane that matches the waterproof mechanism are processed;

The shell material is made of metal material with excellent heat dissipation;

The contours of the input and output rubber wires must be consistent with the hollow cavity of the shell;

Then install the waterproof mechanism, put in the circuit board, coat the power device of the circuit board with thermal conductive glue, insert the input rubber wire and the output rubber wire into the hollow cavity of the shell, connect with the circuit board, input the rubber wire, output The reserved locking mechanism of the rubber-coated wire cooperates with the housing locking mechanism to lock the extruded waterproof mechanism to complete the waterproof function.

It is characterized in that: the casing has heat dissipation, positioning, supporting circuit board, and locking mechanism at the same time, the input wire and output wire are made of external encapsulation, and the contour of the encapsulation is consistent with the contour of the casing, and There are locking mechanism, waterproof mechanism, pre-fixed position, circuit board positioning mechanism.
A waterproof and dustproof battery protection board according to claim 1, characterized in that: the two ends of the housing are provided with flat positions of the waterproof mechanism, the housing has a circuit board fixing and positioning mechanism, and the Inside the hollow cavity material of the shell, there is a space for accommodating the circuit board, the input coated wire, and the output coated wire.
A waterproof and dustproof battery protection board according to claim 1, comprising a first waterproof mechanism and a second waterproof mechanism, wherein the waterproof mechanism is made of a soft material with waterproof performance, and rubber pads are preferentially selected. The apron and the waterproof mechanism are respectively pre-installed on the input rubber-coated wire seat and the output rubber-coated wire seat, and cooperate with the plane extrusion of the shell to complete the waterproofing of the enclosed space.
A waterproof and dust-proof battery protection board according to claim 1, comprising an input coated wire, characterized in that: one end of the wire is connected to the battery, and the other end is connected to the circuit board, and the wire is used for The plastic package is tight and impervious to water, the outer contour of the rubber encapsulation coincides with the inner cavity of the housing, and the pre-installation position of the waterproof mechanism, the locking mechanism, and the circuit board fixing and positioning mechanism are reserved on the glue.
A waterproof and dustproof battery protection board according to claim 1, comprising an output rubber-coated wire seat, characterized in that: one end of the wire is connected to the protection board, and the other end is connected to the power output or charging of electrical equipment The wire is wrapped with plastic and is impervious to water, the outer contour of the rubber wrap is consistent with the inner cavity of the housing, and the pre-installation position of the waterproof mechanism, the locking mechanism, and the circuit board fixing and positioning mechanism are reserved on the glue.
A waterproof and dustproof battery protection board according to claim 1, wherein the remaining mechanism can still be used without the waterproof mechanism, and it retains the dustproof function.