Anti-impact lithium battery charger
By designing anti-collision sleeves and fixing structures on the lithium battery charger, the problems of easy damage to the outer shell and low heat dissipation efficiency are solved, achieving circuit board stability and efficient heat dissipation, and extending the service life of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-27
AI Technical Summary
Existing lithium battery charger casings are easily damaged by bumps and drops, leading to damage to internal electronic components and low heat dissipation efficiency.
It adopts a structure of anti-collision sleeve and fastener. The anti-collision sleeve consists of inner and outer rubber sleeves and connecting parts, while the fastener consists of a top plate and a heat dissipation plate. Combined with the exhaust component, it forms a buffer and heat dissipation system to protect the circuit board and improve heat dissipation efficiency.
It effectively protects the circuit board from impact damage, improves heat dissipation efficiency, prevents the charger from overheating, and extends its service life.
Smart Images
Figure CN224053931U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lithium battery charger technical field, concretely is a kind of anti-impact lithium battery charger. BACKGROUND
[0002] Lithium battery charger is specially used to charge lithium ion battery charger, and lithium ion battery has higher requirement to charger, needs protection circuit, so lithium battery charger usually has higher control precision, can carry out constant current constant voltage charging to lithium ion battery.
[0003] The existing lithium battery charger mainly has the following disadvantages in the process of using: the charger shell is generally made of plastic, and the shell is easy to be knocked, dropped and the like in daily use, so as to cause shell damage, and even cause the damage of electronic board inside the charger, therefore, there is room for improvement. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving one of the technical problems in prior art or related art.
[0005] Therefore, the utility model adopts the technical scheme that a kind of anti-impact lithium battery charger, comprising: main body mechanism, the main body mechanism includes shell, circuit board embedded in the inner cavity of shell, fixed part embedded in the top of shell and bottom adhering on circuit board, exhaust piece symmetrically installed on the both sides of shell and anti-collision sleeve embedded on the outer side of shell.
[0006] The fixed part includes top plate embedded in the top of shell and heat sink fixed in array on the bottom end of top plate, and the bottom end of heat sink adheres on circuit board.
[0007] The anti-collision sleeve includes inner rubber sleeve embedded on the outer side of shell, outer rubber sleeve arranged on the outer side of inner rubber sleeve and multiple connecting portions connecting both.
[0008] In a preferred example, the utility model can be further configured as: a plurality of positioning T-shaped columns are arranged in array on the inner bottom wall of the shell, and the circuit board is provided with positioning holes at four corners, and the two are embedded with each other.
[0009] In a preferred example, the utility model can be further configured as: one end of the circuit board is provided with input power line extending out of the shell, and the other end is provided with output power line extending out of the shell.
[0010] In a preferred example, the utility model can be further configured as: the exhaust piece includes pipe body fixed on one side of shell and extending into the inner cavity of shell, and high-speed fan installed on the inner wall of pipe body.
[0011] In a preferred example, the utility model can be further configured as: dust screen is fixed on the inner wall of pipe body.
[0012] The heat dissipation plate is made of insulating heat conductive material.
[0013] By adopting the above technical scheme, the utility model has the beneficial effects that:
[0014] 1. In the utility model, the anti-collision sleeve is sleeved outside the shell of the charger, and the anti-collision sleeve is composed of an inner rubber sleeve, an outer rubber sleeve and a plurality of connecting parts. When the charger is knocked or dropped, the rubber material of the anti-collision sleeve can absorb and buffer the impact force through deformation. At the same time, there is a cavity between adjacent connecting parts. When the anti-collision sleeve deforms, the air in the cavity is compressed to absorb the impact force generated by the collision, thereby reducing the impact force on the shell. The shell of the lithium battery charger can be effectively protected.
[0015] 2. In the utility model, the circuit board is embedded in the inner cavity of the shell, and a fixing part is embedded on the shell. The fixing part is composed of a top plate and a plurality of heat dissipation plates arranged in an array. The bottom end of each heat dissipation plate is tightly attached to the circuit board. Through the above arrangement, the stability of the circuit board in the shell can be ensured when the charger is impacted, and the electronic components on the circuit board can be prevented from being damaged by the impact. In addition, the exhaust part is installed on both sides of the shell, which can form a high-speed air flow in the inner cavity of the shell, thereby accelerating the heat dissipation efficiency of the inner cavity of the shell, and effectively preventing the lithium battery charger from overheating. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The utility model is a structural schematic view;
[0017] Figure 2 The utility model is a sectional view schematic view;
[0018] Figure 3 The utility model is a structural exploded schematic view;
[0019] Figure 4 The utility model is a fixing part structural schematic view;
[0020] Figure 5 The utility model is a partial structural exploded schematic view.
[0021] Reference signs:
[0022] 100, main body mechanism; 110, shell; 111, positioning T-shaped column; 120, circuit board; 121, input power line; 122, output power line; 123, positioning hole; 130, exhaust piece; 131, pipe body; 1311, dust screen; 132, high-speed fan; 140, fixing piece; 141, top plate; 142, heat dissipation plate; 150, anti-collision sleeve; 151, inner rubber sleeve; 152, outer rubber sleeve; 153, connecting part. DETAILED DESCRIPTION
[0023] To make the purpose, technical scheme and advantages of the utility model more clear and apparent, the utility model is further described in detail below in combination with specific embodiments and with reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.
[0024] Some embodiments of the utility model are described below in combination with the drawings,
[0025] Embodiment 1
[0026] In combination with Figures 1-5 the drawings, the embodiment provides an anti-impact lithium battery charger, which comprises a main body mechanism 100.
[0027] The main body mechanism 100 comprises a shell 110, a circuit board 120 embedded in the inner cavity of the shell 110, a fixing piece 140 embedded at the top end of the shell 110 and adhered to the bottom of the circuit board 120, exhaust pieces 130 symmetrically installed on both sides of the shell 110 and an anti-collision sleeve 150 embedded on the outer side of the shell 110.
[0028] The shell 110 is used for installing the circuit board 120 and providing a protection function for the circuit board 120, the circuit board 120 is used for adjusting the circuit and voltage and ensuring the stability of charging, an input power line 121 is arranged at one end of the circuit board 120 and extends out of the shell 110, used for inputting current, and an output power line 122 is arranged at the other end of the circuit board 120 and extends out of the shell 110, used for outputting the adjusted circuit.
[0029] In addition, a plurality of positioning T-shaped columns 111 are arranged in an array on the inner bottom wall of the shell 110, positioning holes 123 are opened at the four corners of the circuit board 120, and the two are embedded with each other, so that the circuit board 120 is conveniently installed and positioned and the stability of the circuit board 120 in the inner cavity of the shell 110 is ensured.
[0030] The fixing piece 140 plays a limiting role on the circuit board 120, including a top plate 141 embedded at the top end of the shell 110 and a plurality of heat dissipation plates 142 fixed in an array at the bottom end of the top plate 141, the top plate 141 cooperates with the shell 110 to form a closed environment, the bottom end of the heat dissipation plates 142 is attached to the circuit board 120, which can ensure the stability of the circuit board 120 when impacted, and the heat on the circuit board 120 can be exported for easy heat dissipation, in addition, the heat dissipation plates 142 are made of insulating and heat-conducting materials.
[0031] The exhaust piece 130 includes a pipe body 131 fixed to one side of the shell 110 and extending into the inner cavity of the shell 110, and a high-speed fan 132 installed on the inner wall of the pipe body 131, the pipe body 131 is used to install the high-speed fan 132, the high-speed fans 132 in the two side exhaust pieces 130 are oriented in the same direction, which can form a high-speed airflow in the inner cavity of the shell 110 to carry away the heat on the circuit board 120 and the heat dissipation plates 142, and dissipate heat from the circuit board 120, at the same time, the inner wall of the pipe body 131 is fixed with a dust screen 1311, which can prevent dust from entering the inner cavity of the shell 110.
[0032] The anti-collision sleeve 150 plays a role in preventing collision, including an inner rubber sleeve 151 embedded on the outer side of the shell 110, an outer rubber sleeve 152 arranged outside the inner rubber sleeve 151, and a plurality of connecting portions 153 connecting the two, when the charger is knocked or dropped, the rubber material of the anti-collision sleeve 150 can absorb and buffer the impact force by deforming, at the same time, there is a cavity between adjacent connecting portions 153, when the anti-collision sleeve 150 deforms, the air in the cavity is compressed to absorb the impact force generated by the collision, further reducing the impact force on the shell 110.
[0033] The working principle and use process of the utility model: in use, the positioning hole 123 on the circuit board 120 is embedded with the positioning T-shaped column 111 on the inner bottom wall of the shell 110, so that the circuit board 120 is installed in the inner cavity of the shell 110, the fixing piece 140 is placed at the top end of the shell 110, the bottom end of the heat dissipation plate 142 is attached to the surface of the circuit board 120, the circuit board 120 is fixed, the anti-collision sleeve 150 is embedded on the outer side of the shell 110, the fixing piece 140 is fixed, and the assembly is completed, when impacted, the rubber material of the anti-collision sleeve 150 can absorb and buffer the impact force by deforming, at the same time, there is a cavity between adjacent connecting portions 153, when the anti-collision sleeve 150 deforms, the air in the cavity is compressed to absorb the impact force generated by the collision, further reducing the impact force on the shell 110.
[0034] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A shock resistant lithium battery charger, comprising: The main body mechanism (100) is characterized in that the main body mechanism (100) comprises a shell (110), a circuit board (120) embedded in the inner cavity of the shell (110), a fixing member (140) embedded at the top end of the shell (110) and adhered to the bottom of the circuit board (120), an exhaust member (130) symmetrically installed on both sides of the shell (110), and a collision-proof sleeve (150) sleeved on the outer side of the shell (110). The fixing member (140) comprises a top plate (141) embedded at the top end of the shell (110) and a plurality of heat dissipation plates (142) fixed in an array at the bottom end of the top plate (141), and the bottom end of the heat dissipation plate (142) is adhered to the circuit board (120). The collision-proof sleeve (150) comprises an inner rubber sleeve (151) sleeved on the outer side of the shell (110), an outer rubber sleeve (152) arranged outside the inner rubber sleeve (151), and a plurality of connecting portions (153) connecting the inner rubber sleeve (151) and the outer rubber sleeve (152).
2. The surge protected lithium battery charger of claim 1, wherein, A plurality of positioning T-shaped columns (111) are arranged in an array on the inner bottom wall of the shell (110), and a plurality of positioning holes (123) are formed at the four corners of the circuit board (120), which are embedded with each other.
3. The shock resistant lithium battery charger of claim 1, wherein, One end of the circuit board (120) is provided with an input power line (121) extending out of the shell (110), and the other end is provided with an output power line (122) extending out of the shell (110).
4. The shock resistant lithium battery charger of claim 1, wherein, The exhaust member (130) comprises a pipe body (131) fixed on one side of the shell (110) and extending into the inner cavity of the shell (110), and a high-speed fan (132) installed on the inner wall of the pipe body (131).
5. The shock resistant lithium battery charger of claim 4, wherein, The inner wall of the pipe body (131) is fixed with a dust screen (1311).
6. The shock resistant lithium battery charger of claim 1, wherein, The heat dissipation plate (142) is made of an insulating and heat-conducting material.