Lithium battery charger

By using hinged protective components and heat dissipation components in lithium battery chargers, the problem of easy damage to the charging interface during storage is solved, and internal moisture gas is treated with desiccant, which improves the reliability and service life of the equipment.

CN222484351UActive Publication Date: 2025-02-14SHENZHEN ZUNXIN ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202421116289.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-17
Publication Date
2025-02-14
Estimated Expiration
2034-05-17

AI Technical Summary

Technical Problem

Existing lithium battery chargers are not easy to protect the charging interface during storage, and are prone to damage and rust caused by dust or humid gas.

Method used

A lithium battery charger is designed, using hinged protective components, including protective covers and limit posts, which can fix the protective covers after use of the equipment to protect the charging interface. At the same time, the charger body has a heat dissipation fan and a semiconductor refrigeration sheet to treat internal humid gases through desiccant to avoid short circuits caused by dampness of electronic components.

Benefits of technology

It effectively protects the charging interface, avoids damage and rust caused by dust and humid gas, and at the same time, the reliability and service life of the equipment are improved through heat dissipation and drying measures.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of chargers, and discloses a lithium battery charger, which comprises a charger body, the front surface of the charger body is fixedly connected with a connecting block, the surface of the connecting block is provided with a charging interface, and the surface of the charging interface is hinged with a protection assembly through a hinge. A ventilation opening is formed in one side of the charger body, a heat dissipation fan is fixedly connected to the interior of the ventilation opening, a heat dissipation assembly is fixedly connected to the inner side wall of the charger body, a charging indicator lamp is fixedly connected to the surface of the charger body, and a connecting wire is fixedly connected to the back face of the charger body. According to the lithium battery charger, through the arrangement of the protection assembly, after equipment is used, the protection cover is closed, and then the protection cover is fixed by using the limiting column, so that the effect of protecting the charging interface is achieved; damage and corrosion of the charging interface caused by dust accumulation and damp air entering of the charging interface in the storage process of the equipment are avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of chargers, in particular to a lithium battery charger. Background Art

[0002] Lithium battery charging has always been an important topic in the application of handheld electronic devices. Because the basis of handheld device applications comes from the power supply of lithium batteries, and many characteristics of lithium batteries determine that we need to accurately and strictly control its charging process, which puts high demands on charging. Electronic devices are developing more and more in the direction of powerful and diverse functions, slim appearance, and wide screens, which directly leads to the increase in the capacity of lithium batteries. For the charging of lithium batteries, speeding up the rate must use large currents, and the slim design direction of electronic devices makes heat dissipation more difficult, which puts more stringent requirements on charging efficiency and must reduce heat generation as much as possible.

[0003] A lithium battery charger disclosed in the publication number CN216356012U, although, the lithium battery charger, relates to the technical field of charging devices, specifically a lithium battery charger, including a charging box, the left and right surfaces of the charging box are provided with mounting grooves, a cold fan is fixedly installed in the mounting groove on the left side of the charging box, an outlet fan is fixedly installed in the mounting groove on the right side of the charging box, the left and right sides of the front opening of the charging box are fixedly connected with a rotating shaft, the inner side of the outer surface of the rotating shaft is movably sleeved with a limit block, a limit rod is provided on the front of the limit block, and a movable plate is fixedly installed at the bottom of the inner cavity of the charging box. The lithium battery charger can be water-cooled by filling the inner cavity of the water cooling pipe and the cooling pipe with cold water, and the cold water cooperates with the cold fan and the outlet fan to improve the cooling performance of the device, and avoid the problem that the charger emits a large amount of heat when the lithium battery is charged, which cannot be solved in time.

[0004] However, the lithium battery charger has the following disadvantages: when the device is in use, it is not easy to protect the charger interface, and dust or humid gas in the air may damage and corrode the interface. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The technical problem solved by the utility model is to provide a lithium battery charger which is highly practical, can be easily operated and has a relatively simple structure, thereby solving the problem of difficulty in protecting the charger interface mentioned in the above background technology.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a lithium battery charger, comprising a charger body, a connecting block fixedly connected to the front of the charger body, a charging interface provided on the surface of the connecting block, a protective component hinged to the surface of the charging interface by a hinge, a vent opening provided on one side of the charger body, a cooling fan fixedly connected to the inside of the vent opening, a cooling component fixedly connected to the inner side wall of the charger body, a charging indicator light fixedly connected to the surface of the charger body, a connecting wire fixedly connected to the back of the charger body, and a terminal head fixedly connected to one end of the connecting wire.

[0009] Optionally, the protective component includes a protective cover hinged to the surface of the charging port by a hinge, and the surfaces of the protective cover and the charger body are provided with holes, and limiting columns are inserted into the interior of the holes, which facilitate fixing the protective cover.

[0010] Optionally, the heat dissipation assembly includes three groups of semiconductor cooling plates fixedly connected to the inner wall of the charger body, and one side of the three groups of semiconductor cooling plates is electrically connected to a battery through a power cord, so that the battery can provide continuous power.

[0011] Optionally, the internal thread connection of the charger body is connected with an electronic board, and the surface thread connection of the electronic board is connected with four groups of threaded columns, and the threaded columns are convenient for fixing the electronic board.

[0012] Optionally, a leakage protector is fixedly connected to the surface of the electronic board, and a processor is fixedly connected to the surface of the electronic board, and the processor is convenient for controlling parameters such as output voltage and current.

[0013] Optionally, a net bag is fixedly connected to the inner wall of the charger body, and a plurality of desiccants are inserted into the interior of the net bag to facilitate drying.

[0014] (III) Beneficial effects

[0015] The utility model provides a lithium battery charger, which has the following beneficial effects:

[0016] 1. The lithium battery charger, through the setting of the protective component, after the device is used, the protective cover is closed, and then the protective cover is fixed with the limit column, so as to achieve the effect of protecting the charging interface and prevent the charging interface from being damaged and rusted due to dust accumulation and humid air entering during the storage of the device.

[0017] 2. The lithium battery charger, through the setting of the heat dissipation component and the desiccant, starts the heat dissipation fan to blow air to the semiconductor refrigeration plate inside the charger body when the device is in use, and the cold air emitted by the semiconductor refrigeration plate is circulated quickly, thereby achieving the effect of cooling the electronic components inside the charger body. In addition, the desiccant is provided to dry the humid air inside the charger body to avoid short circuit of the equipment caused by moisture in the electronic components. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the heat dissipation component of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the protective component of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the charger body of the utility model.

[0022] In the figure: 1. Charger body; 2. Connecting block; 3. Charging interface; 4. Protective assembly; 401. Protective cover; 402. Limiting column; 5. Cooling fan; 6. Cooling assembly; 601. Semiconductor cooling sheet; 602. Battery; 7. Charging indicator light; 8. Connecting wire; 9. Terminal block; 10. Electronic board; 11. Threaded column; 12. Leakage protector; 13. Processor; 14. Net bag. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 4The utility model provides a technical solution: a lithium battery charger, including a charger body 1, a connecting block 2 is fixedly connected to the front of the charger body 1, a charging interface 3 is provided on the surface of the connecting block 2, and a protective component 4 is hinged on the surface of the charging interface 3 through a hinge. Through the setting of the protective component 4, after the device is used, the protective cover 401 is closed, and then the protective cover 401 is fixed by the limiting column 402, so as to achieve the effect of protecting the charging interface 3, and avoid the damage and rust of the charging interface 3 caused by dust accumulation and humid air entering the charging interface 3 during the storage of the device. A vent is provided on one side of the charger body 1, and a heat dissipation device is fixedly connected to the inside of the vent. The fan 5 is fixedly connected to the inner wall of the charger body 1 with a heat dissipation component 6. Through the arrangement of the heat dissipation component 6 and the desiccant, when the device is in use, the heat dissipation fan 5 is started to blow air to the semiconductor refrigeration sheet 601 inside the charger body 1, and the cold air emitted by the semiconductor refrigeration sheet 601 is quickly circulated, thereby achieving the effect of cooling the electronic components inside the charger body 1. In addition, a desiccant is arranged, which can also dry the humid air inside the charger body 1 to avoid short circuit of the device caused by moisture of the electronic components. A charging indicator light 7 is fixedly connected to the surface of the charger body 1, and a connecting wire 8 is fixedly connected to the back of the charger body 1, and one end of the connecting wire 8 is fixedly connected to a terminal head 9;

[0025] The protection component 4 includes a protection cover 401 hinged to the surface of the charging interface 3 by a hinge. The surfaces of the protection cover 401 and the charger body 1 are provided with holes, and the inner part of the hole is plugged with a limiting column 402. Through the setting of the protection component 4, after the device is used, the protection cover 401 is closed, and then the protection cover 401 is fixed by the limiting column 402, thereby achieving the effect of protecting the charging interface 3, and preventing the charging interface 3 from being damaged and rusted due to dust accumulation and humid air entering the charging interface 3 during the storage of the device;

[0026] The heat dissipation component 6 includes three groups of semiconductor cooling sheets 601 fixedly connected to the inner wall of the charger body 1. One side of the three groups of semiconductor cooling sheets 601 is electrically connected to the battery 602 through the power line. Through the arrangement of the heat dissipation component 6 and the desiccant, when the device is in use, the heat dissipation fan 5 is started to blow air to the semiconductor cooling sheets 601 inside the charger body 1, and the cold air emitted by the semiconductor cooling sheets 601 is quickly circulated, thereby achieving the effect of cooling the electronic components inside the charger body 1. In addition, the desiccant is arranged to dry the humid air inside the charger body 1 to avoid short circuit of the device caused by moisture in the electronic components.

[0027] The internal thread of the charger body 1 is connected with an electronic board 10, and the surface of the electronic board 10 is connected with four sets of threaded columns 11, and the setting of the threaded columns 11 plays a role in fixing the electronic board 10;

[0028] A leakage protector 12 is fixedly connected to the surface of the electronic board 10, and a processor 13 is fixedly connected to the surface of the electronic board 10. The leakage protector 12 plays a role in protecting the circuit.

[0029] A net bag 14 is fixedly connected to the inner wall of the charger body 1, and a plurality of desiccants are inserted into the interior of the net bag 14. The desiccants provide a drying effect.

[0030] In the utility model, the working steps of the device are as follows:

[0031] Step 1: After using the device, close the protective cover 401, and then use the limiting column 402 to fix the protective cover 401 to protect the charging interface 3, so as to prevent the charging interface 3 from being damaged and rusted due to dust accumulation and humid air entering during storage of the device;

[0032] The second step: when the device is in use, start the cooling fan 5 to blow air to the semiconductor refrigeration plate 601 inside the charger body 1, so that the cold air emitted by the semiconductor refrigeration plate 601 can be circulated quickly to cool the electronic components inside the charger body 1. A desiccant is provided to dry the humid air inside the charger body 1 to avoid short circuit of the device caused by moisture in the electronic components.

[0033] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0034] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lithium battery charger, comprising a charger body (1), characterized in that: The front of the charger body (1) is fixedly connected to a connection block (2), the surface of the connection block (2) is provided with a charging interface (3), the surface of the charging interface (3) is hinged with a protective component (4), one side of the charger body (1) is provided with a vent, the interior of the vent is fixedly connected to a heat dissipation fan (5), the inner side wall of the charger body (1) is fixedly connected to a heat dissipation component (6), the surface of the charger body (1) is fixedly connected to a charging indicator light (7), the back of the charger body (1) is fixedly connected to a connecting wire (8), and one end of the connecting wire (8) is fixedly connected to a wiring head (9).

2. A lithium battery charger according to claim 1, characterized in that: The protective component (4) comprises a protective cover (401) hinged to the surface of the charging interface (3) via a hinge, and the surfaces of the protective cover (401) and the charger body (1) are both provided with holes, and the interior of the hole is plugged with a limiting column (402).

3. A lithium battery charger according to claim 1, characterized in that: The heat dissipation component (6) comprises three groups of semiconductor cooling plates (601) fixedly connected to the inner wall of the charger body (1), and one side of the three groups of semiconductor cooling plates (601) is electrically connected to a storage battery (602) via a power line.

4. A lithium battery charger according to claim 1, characterized in that: The internal thread of the charger body (1) is connected to an electronic board (10), and the surface of the electronic board (10) is connected to four groups of threaded columns (11).

5. A lithium battery charger according to claim 4, characterized in that: A leakage protector (12) is fixedly connected to the surface of the electronic board (10), and a processor (13) is fixedly connected to the surface of the electronic board (10).

6. A lithium battery charger according to claim 1, characterized in that: A net bag (14) is fixedly connected to the inner side wall of the charger body (1), and a plurality of desiccants are inserted into the interior of the net bag (14).