Battery charging device
By designing a battery charging device with a sliding cover and mounting groove and snap-on structure, the problems of easy wear, misinsertion and low safety of existing chargers are solved, achieving efficient and stable battery charging connection and improving ease of use and safety.
Patent Information
- Application Number
- CN202422751484.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-11-11
AI Technical Summary
Most existing chargers have a fixed structure, which makes them prone to misinsertion, wear and tear, and low safety performance. They are also not easy to disassemble and replace.
A battery charging device comprising a housing, a battery unit, and a control unit is designed. It employs a sliding cover and a mounting groove and snap-fit structure, combined with slots and electrical connection components, to achieve a stable connection between the battery unit and the control unit. Multiple partitions and fixing plates are used to improve stability and accuracy.
It improves the assembly efficiency and stability of battery charging devices, avoids poor assembly, enhances the convenience and safety of use, and has certain application prospects.
Smart Images

Figure CN223502608U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of charger technology, specifically a battery charging device. Background Technology
[0002] A charger is generally a device that converts alternating current (AC) to low-voltage direct current (DC). It is a static converter that uses power electronic semiconductor devices to transform AC power with a fixed voltage and frequency into DC power. Chargers have broad application prospects in power consumption scenarios where batteries serve as the main or backup power source.
[0003] Most existing chargers have a fixed structure, which fixes the object to the charger. They are not easy to disassemble and replace, and are prone to mis-insertion, causing wear and tear on the charger. They are also inconvenient for people to use and have low safety performance. Utility Model Content
[0004] To address the aforementioned problems, this utility model provides a battery charging device that solves the issues that most existing chargers have a fixed structure, requiring items to be plugged in, making it difficult to disassemble and replace the charger, and are prone to mis-plugging, causing wear and tear on the charger; they are also inconvenient for users and have low safety performance.
[0005] The technical solution adopted by this utility model is as follows: it includes a shell, a battery unit and a control unit. The shell includes a lower shell, an upper shell and a sliding cover. The upper shell is connected to the lower shell. The upper shell is provided with a battery compartment. The sliding cover is provided at the port of the battery compartment. The battery unit is provided inside the battery compartment. The control unit is provided inside the shell and is electrically connected to the battery unit.
[0006] The battery compartment has slots on both sides, which extend from the lower housing toward the port of the battery compartment. The slots are equipped with electrical connection elements for conductive connection between the battery unit and the control unit. The port of the battery compartment is equipped with an assembly slide groove, and the sliding cover is equipped with an assembly latch. The sliding cover is slidably assembled onto the assembly slide groove by the assembly latch.
[0007] A further improvement to the above solution is that the lower housing is provided with a positioning plate, one end of which extends toward the slot, and a pressing step is provided on the positioning plate, which abuts against one end of the electrical connection element.
[0008] A further improvement to the above solution is that the lower housing is provided with a battery fixing plate, the battery fixing plate is located below the battery compartment, and the battery fixing plate is provided with a battery fixing groove.
[0009] A further improvement to the above scheme is that a control mounting groove is provided at one end of the lower housing, and a control fastening groove is provided at the upper housing. The control fastening groove and the control mounting groove are fastened together to form a control cavity, and the control unit is disposed in the control cavity.
[0010] A further improvement to the above solution is that the control unit includes a control board, a control button, and a control connector. The control board is connected to a power-connecting element via a connecting wire. A button slot and a control interface slot are provided on one side of the control cavity. One end of the control button is connected to the control board and the other end is located in the button slot. One end of the control connector is connected to the control board and the other end is located in the control interface slot.
[0011] A further improvement to the above solution is that the battery compartment is provided with multiple partitions, which are used to divide the battery compartment into several battery slots.
[0012] A further improvement to the above solution is that a limit baffle is provided at one end of the assembly slide, and the limit baffle is used for limiting the assembly of the sliding buckle.
[0013] A further improvement to the above solution is that an assembly slot is provided on one side of the battery compartment, and an assembly buckle is provided at one end of the sliding cover. The assembly buckle is used to cooperate with the assembly slot to fix the sliding cover at the port of the battery compartment.
[0014] A further improvement to the above solution is that the power connection element is provided with a fastening protrusion, which is used to secure the power connection element in the slot.
[0015] A further improvement to the above scheme is that the power connection element includes a positive electrode connection piece, a negative electrode connection piece, and a series connection piece. The positive electrode connection piece and the negative electrode connection piece are respectively connected to the control unit. The battery unit is composed of multiple individual cells, and the series connection piece is used to connect multiple individual cells in series.
[0016] The beneficial effects of this utility model are:
[0017] Compared to existing chargers, this invention features a sliding cover on the battery compartment that facilitates the installation and removal of the battery charging device, improving assembly efficiency and user convenience. The battery compartment is equipped with assembly grooves, assembly clips, and slots for connecting the electrical components to the charging power supply. The assembly grooves and clips enhance assembly precision and prevent assembly defects. The slots connect the charging unit inside the battery compartment to the electrical components, improving assembly stability and enabling control by the control unit. This enhances the practicality and ease of installation of the battery charging device. This structure is simple to assemble, highly stable, and offers high assembly precision, making it highly practical and promising for future applications. Attached Figure Description
[0018] Figure 1 This is a perspective view of the battery charging device of this utility model;
[0019] Figure 2 This is an exploded view of the battery charging device of this utility model;
[0020] Figure 3 This is a schematic diagram of the sliding cover of this utility model;
[0021] Figure 4 This is a schematic diagram of the assembly structure of the upper shell and battery compartment of this utility model;
[0022] Figure 5 This is a schematic diagram of the connection structure of the battery unit and control unit of this utility model;
[0023] Figure 6 This is a schematic diagram of the structure of the lower shell of this utility model.
[0024] Explanation of reference numerals in the attached drawings: outer shell 10, lower shell 11, positioning plate 111, pressing step 112, battery fixing plate 113, battery fixing groove 114, control mounting groove 115, upper shell 12, control snap groove 121, control cavity 122, button groove 123, control interface groove 124, sliding cover 13, assembly sliding buckle 131, battery compartment 14, assembly sliding groove 141, partition 142, limit baffle 143, assembly slot 144, slot 15, electrical connection element 16, fastening protrusion 161, positive terminal contact piece 162, negative terminal contact piece 163, series contact piece 164;
[0025] Battery cell 20;
[0026] Control unit 30, control board 31, control button 32, control connector 33. Detailed Implementation
[0027] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.
[0028] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component.
[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
[0030] like Figures 1-6 As shown in the embodiment of this utility model, a battery charging device includes a housing 10, a battery unit 20, and a control unit 30. The housing 10 includes a lower housing 11, an upper housing 12, and a sliding cover 13. The upper housing 12 is connected to the lower housing 11. The upper housing 12 is provided with a battery compartment 14. The sliding cover 13 is provided at the port of the battery compartment 14. The battery unit 20 is disposed inside the battery compartment 14. The control unit 30 is disposed inside the housing 10 and is electrically connected to the battery unit 20. Slots 15 are provided on both sides of the battery compartment 14. The slots 15 extend from the lower housing 11 toward the port of the battery compartment 14. A power connection element 16 is provided on the slot 15. The power connection element 16 is used for conductive connection between the battery unit 20 and the control unit 30. An assembly groove 141 is provided at the port of the battery compartment 14. The sliding cover 13 is provided with an assembly latch 131. The sliding cover 13 is slidably assembled onto the assembly groove 141 by the assembly latch 131. In this embodiment, the battery charging device is a dual-purpose device. On one hand, it can store and store energy through the battery unit 20; on the other hand, it can directly store energy through the control unit 30. The sliding cover 13 can be slidably operated to install and remove the battery unit 20. The cooperation of the mounting groove 141 and the mounting buckle 131 ensures a tight connection between the battery unit 20 and the control unit 30. The outer box structure is reasonably designed and closely connected. The cooperation of the mounting groove 141 and the mounting buckle 131 makes the sliding of the cover 13 smoother.
[0031] like Figure 6 As shown, the lower housing 11 is provided with a positioning plate 111, one end of which extends toward the slot 15. A pressing step 112 is provided on the positioning plate 111, and the pressing step 112 abuts against one end of the electrical connection element 16. In this embodiment, by having the pressing step 112 on the positioning plate 111 abut against one end of the electrical connection element 16, the position of the electrical connection element 16 in the slot 15 can be kept stable, improving the reliability of the conductive connection and enhancing the structural stability.
[0032] The lower housing 11 is provided with a battery fixing plate 113, which is located below the battery compartment 14. The battery fixing plate 113 is provided with a battery fixing groove 114. In this embodiment, the battery fixing plate 113 and the battery fixing groove 114 cooperate to fix the battery unit 20 in the battery compartment 14, preventing it from shaking or shifting during use, thereby improving the stability and reliability of the charging device.
[0033] The lower housing 11 has a control mounting groove 115 at one end, and the upper housing 12 has a control fastening groove 121. The control fastening groove 121 engages with the control mounting groove 115 to form a control cavity 122, and the control unit 30 is disposed within the control cavity 122. In this embodiment, the engagement of the control mounting groove 115 and the control fastening groove 121 to form the control cavity 122 provides a stable mounting space for the control unit 30, protecting it from external interference and ensuring the normal operation of the control unit 30, as well as the control accuracy for the electrical connection of the charging unit. The engagement of the control cavity 122 also helps to improve the stability of the battery charging device.
[0034] like Figure 5 As shown, the control unit 30 includes a control board 31, a control button 32, and a control connector 33. The control board 31 is connected to the power receiving element 16 via a connecting cable. One side of the control cavity 122 is provided with a button slot 123 and a control interface slot 124. One end of the control button 32 is connected to the control board 31, and the other end is located in the button slot 123. One end of the control connector 33 is connected to the control board 31, and the other end is located in the control interface slot 124. In this embodiment, the control board 31 is connected to the power receiving element 16 via a connecting cable, thus realizing the charging control of the battery unit 20. The control button 32 is located in the button slot 123 for convenient user operation, enabling the charging to be turned on and off. The control connector 33 is located in the control interface slot 124 for easy connection to external devices. The design is reasonable, making the use of the battery charging device more convenient and flexible.
[0035] like Figure 4 As shown, the battery compartment 14 is provided with multiple partitions 142, which are used to divide the battery compartment 14 into several battery slots. In this embodiment, by dividing the battery compartment 14 into several battery slots through multiple partitions 142, independent charging and management of multiple battery units 20 can be realized, improving charging efficiency and safety; and allowing multiple charging units to be classified and organized, making it convenient for users to use and maintain.
[0036] A limiting baffle 143 is provided at one end of the assembly slide 141, and the limiting baffle 143 is used to limit the assembly sliding buckle 131. In this embodiment, the limiting baffle 143 can limit the assembly sliding buckle 131 to prevent it from sliding excessively or falling out of the assembly slide 141 during the assembly process, thereby improving the assembly accuracy.
[0037] A mounting slot 144 is provided on one side of the battery compartment 14, and a mounting buckle 131 is provided at one end of the sliding cover 13. The mounting buckle 131 is used to cooperate with the mounting slot 144 to fix the sliding cover 13 at the port of the battery compartment 14. In this embodiment, by cooperating with the mounting buckle 131 and the mounting slot 144, the sliding cover 13 can be firmly fixed at the port of the battery compartment 14, which protects the battery unit 20 and also makes it convenient for the user to open and close the sliding cover 13 for battery replacement and maintenance.
[0038] like Figure 3 As shown, the power receiving element 16 is provided with a fastening protrusion 161, which is used to securely fit the power receiving element 16 into the slot 15. In this embodiment, by using the fastening protrusion 161, the power receiving element 16 is securely fitted into the slot 15, ensuring a firm and reliable connection between the power receiving element 16 and the slot 15, and avoiding problems such as poor contact or loosening.
[0039] The connecting element 16 includes a positive terminal contact 162, a negative terminal contact 163, and a series contact 164. The positive terminal contact 162 and the negative terminal contact 163 are respectively connected to the control unit 30. The battery unit 20 is composed of multiple individual cells, and the series contact 164 is used to connect multiple individual cells in series. In this embodiment, by connecting the positive terminal contact 162 and the negative terminal contact 163 to the control unit 30, the charging and discharging control of the battery unit 20 can be realized. The series contact 164, used to connect multiple individual cells in series, can increase the total voltage and total capacity of the battery unit 20, meeting the usage requirements of different devices; it is highly practical, flexible, and convenient, and can greatly enhance the safety performance and service life of the connecting element 16 and the charging unit.
[0040] In an embodiment of this utility model, a battery charging device includes a housing 10, a battery unit 20, and a control unit 30. The housing 10 includes a lower housing 11, an upper housing 12, and a sliding cover 13. The upper housing 12 is connected to the lower housing 11. The upper housing 12 is provided with a battery compartment 14. The sliding cover 13 is located at the port of the battery compartment 14. The battery unit 20 is located inside the battery compartment 14. The control unit 30 is located inside the housing 10 and is electrically connected to the battery unit 20. Slots 15 are provided on both sides of the battery compartment 14. The slots 15 extend from the lower housing 11 toward the port of the battery compartment 14. A power connection element 16 is provided on the slot 15 for conductive connection between the battery unit 20 and the control unit 30. An assembly groove 141 is provided at the port of the battery compartment 14, and the sliding cover 13 is provided with an assembly groove. The sliding cover 13 is slidably mounted on the assembly groove 141 via the mounting clip 131. The sliding cover 13, slidably mounted on the battery compartment 14, facilitates the installation and removal of the battery charging device, improving assembly efficiency and facilitating user operation. The battery compartment 14 is equipped with the assembly groove 141, the mounting clip 131, and a slot 15 for assembling and connecting the power connection element 16 to the charging power supply. The assembly groove 141 and mounting clip facilitate the installation of the outer casing 10, improving assembly accuracy and effectively preventing assembly defects. The slot 15 connects the charging unit inside the battery compartment 14 to the power connection element 16, enhancing assembly stability and enabling control by the control unit 30. This improves the practicality and ease of use of the battery charging device. This structure is simple to assemble, highly stable, has high assembly accuracy, is highly practical, and has promising application prospects.
[0041] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A battery charging device, characterized in that: The device includes a housing, a battery unit, and a control unit. The housing includes a lower housing, an upper housing, and a sliding cover. The upper housing is connected to the lower housing. The upper housing has a battery compartment. The sliding cover is located at the port of the battery compartment. The battery unit is located inside the battery compartment. The control unit is located inside the housing and is electrically connected to the battery unit. The battery compartment has slots on both sides, which extend from the lower housing toward the port of the battery compartment. The slots are equipped with electrical connection elements for conductive connection between the battery unit and the control unit. The port of the battery compartment is equipped with an assembly slide groove, and the sliding cover is equipped with an assembly latch. The sliding cover is slidably assembled onto the assembly slide groove by the assembly latch.
2. The battery charging device according to claim 1, characterized in that: The lower housing is provided with a positioning plate, one end of which extends toward the slot, and a pressing step is provided on the positioning plate, which abuts against one end of the electrical component.
3. The battery charging device according to claim 2, characterized in that: The lower housing is provided with a battery fixing plate, which is located below the battery compartment and has a battery fixing groove.
4. The battery charging device according to claim 3, characterized in that: One end of the lower housing is provided with a control mounting groove, and the upper housing is provided with a control fastening groove. The control fastening groove and the control mounting groove are fastened together to form a control cavity, and the control unit is disposed in the control cavity.
5. The battery charging device according to claim 1, characterized in that: The control unit includes a control board, control buttons, and a control connector. The control board is connected to a power-connecting element via a connecting wire. A button slot and a control interface slot are provided on one side of the control cavity. One end of the control button is connected to the control board, and the other end is located in the button slot. One end of the control connector is connected to the control board, and the other end is located in the control interface slot.
6. The battery charging device according to claim 1, characterized in that: The battery compartment is provided with multiple partitions, which are used to divide the battery compartment into several battery slots.
7. The battery charging device according to claim 6, characterized in that: A limit baffle is provided at one end of the assembly slide, and the limit baffle is used to limit the assembly of the sliding buckle.
8. The battery charging device according to claim 7, characterized in that: A mounting slot is provided on one side of the battery compartment, and a mounting buckle is provided at one end of the sliding cover. The mounting buckle is used to cooperate with the mounting slot to fix the sliding cover at the port of the battery compartment.
9. The battery charging device according to claim 1, characterized in that: The power connection element is provided with a fastening protrusion, which is used to secure the power connection element in the slot.
10. The battery charging device according to claim 9, characterized in that: The power connection element includes a positive electrode connection piece, a negative electrode connection piece, and a series connection piece. The positive electrode connection piece and the negative electrode connection piece are respectively connected to the control unit. The battery unit is composed of multiple individual cells, and the series connection piece is used to connect multiple individual cells in series.