Charger with overheating protection effect
By using a combination of aluminum radiator, heat dissipation ribs and temperature sensors in the charger, real-time temperature monitoring and air-cooled heat dissipation of the charger circuit board is achieved, which solves the problem of safety hazards of overheating of the charger and simplifies internal maintenance through modular design.
Patent Information
- Application Number
- CN202421749727.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-23
AI Technical Summary
The existing chargers lack temperature monitoring function during long-term charging, which leads to inability to cool down in time when overheating, which poses a major safety hazard, and the maintenance and replacement of internal parts are more troublesome.
A charger with overheating protection effect was designed, using aluminum heat sink and heat dissipation ribs for heat dissipation, and a temperature sensor was installed on the circuit board. When the temperature is too high, the motor is started by the electric signal to drive the fan to rotate to achieve air-cooled heat dissipation. At the same time, the bolted connection design is adopted to make the parts modularly detachable, making it easier to install and partially disassemble and replace.
By monitoring the temperature in real time and activating the heat dissipation mechanism, the charger is effectively prevented from overheating and improving safety; while the modular design simplifies internal maintenance and component replacement, improving maintenance convenience.
Smart Images
Figure CN222915695U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chargers, and particularly relates to a charger with an overheat protection effect. Background Technique
[0002] With the popularization of the concept of smart home, more and more families begin to use various smart devices, such as smart phones, tablets, smart watches, etc. These devices usually need to be charged frequently. When charging, heat will be generated inside the charger. Therefore, preventing overheating during charging is an important safety issue. With the improvement of users' safety awareness, the safety requirements for chargers are also gradually increasing.
[0003] The existing chargers lack the function of temperature monitoring during long-term charging. If the temperature is not reduced in time after overheating, there are great potential safety hazards. Moreover, if the existing chargers are damaged, it is rather troublesome to repair and replace their internal components. Content of the Utility Model
[0004] The main purpose of the utility model is to provide a charger with an overheat protection effect, which can effectively solve the problems in the background technique.
[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0006] A charger with an overheat protection effect includes a charging box, a first wire, a second wire and a circuit board. The first wire and the second wire are distributed on both sides of the charging box, and both the first wire and the second wire are electrically connected to both sides of the circuit board through wire groups. A temperature sensor is fixedly installed on the circuit board, and a heat dissipation seat is attached to the bottom of the circuit board. A number of groups of heat dissipation ribs are evenly arranged inside the heat dissipation seat, and a machine base is arranged inside the heat dissipation seat.
[0007] Preferably, fixing plates are fixedly installed on both sides of the machine base, and the fixing plates are locked to the inner wall of the bottom side of the charging box through first bolts. A machine shell is integrally injection-molded at the center of the inner side wall of the machine base, and a heat dissipation mechanism is embedded inside the machine shell.
[0008] Preferably, the heat dissipation mechanism is composed of a motor and a fan. The motor is embedded in the inner wall of the machine shell, and the output end of the motor is fixedly connected to the center of the fan.
[0009] Preferably, a positioning plate is arranged at the bottom of the heat dissipation seat. A socket is integrally injection-molded on the inner wall of the charging box. A circle of slots is opened on the socket. The bottom of the heat dissipation seat is inserted into the inner wall of the slot through the positioning plate.
[0010] Preferably, clamping plates are fixedly installed on both side walls of the circuit board. On the inner walls of the charging case on both sides of the socket, two groups of fixing seats are symmetrically arranged. A positioning groove is arranged at the top end of the fixing seat. The clamping plate is fixedly installed in the positioning groove through a second bolt.
[0011] Preferably, a top cover is attached to the top of the charging case. The four corners of the top cover are connected to the charging case through third bolts.
[0012] Compared with the prior art, the utility model has the following beneficial effects: An aluminum heat dissipation base and heat dissipation ribs are arranged at the bottom of the circuit board to dissipate heat from the circuit board in a timely manner. The provided positioning groove is used for preliminary positioning of the clamping plates on both sides of the circuit board, and the circuit board is finally fixed through the provided second bolt, enabling it to closely adhere to the heat dissipation base for heat dissipation. The plug-in setting between the heat dissipation base and the socket facilitates its installation and positioning. The provided temperature sensor is used for real-time monitoring of the circuit board. When the temperature sensor detects that the circuit board is overheated, the motor is started through an electrical signal, and the rotation of the motor can drive the fan to rotate to achieve the effect of air-cooled heat dissipation;
[0013] The design of connecting the top cover and the charging case through bolts facilitates disassembly during internal maintenance, and the design of connecting internal components with bolts makes the components modular and detachable, facilitating installation and partial disassembly and replacement. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is an exploded structural schematic diagram of a charger with an overheat protection effect according to the utility model;
[0015] Figure 2 is a three-dimensional structural schematic diagram of a charger with an overheat protection effect according to the utility model;
[0016] Figure 3 is an exploded structural schematic diagram of a charger with an overheat protection effect according to the utility model;
[0017] Figure 4 is an exploded structural schematic diagram of a charger with an overheat protection effect according to the utility model.
[0018] In the figure: 1. Charging case; 2. First wire; 3. Second wire; 4. Socket; 5. Slot; 6. Machine base; 7. Machine shell; 8. Motor; 9. Fan; 10. Fixed plate; 11. Fixed seat; 12. Positioning groove; 13. First bolt; 14. Heat dissipation base; 15. Heat dissipation rib; 16. Circuit board; 17. Clamping plate; 18. Second bolt; 19. Top cover; 20. Third bolt; 21. Temperature sensor. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0020] As Figures 1-4 shown, a charger with overheat protection effect includes a charging box 1, a first wire 2, a second wire 3 and a circuit board 16. The first wire 2 and the second wire 3 are distributed on both sides of the charging box 1, and both the first wire 2 and the second wire 3 are electrically connected to both sides of the circuit board 16 through wire groups. A temperature sensor 21 is fixedly installed on the circuit board 16, and a heat dissipation base 14 is attached to the bottom of the circuit board 16. A plurality of groups of heat dissipation ribs 15 are evenly arranged inside the heat dissipation base 14, and a machine base 6 is arranged inside the heat dissipation base 14. By providing the aluminum heat dissipation base 14 and heat dissipation ribs 15 at the bottom of the circuit board 16 for timely heat dissipation of the circuit board 16, and the provided temperature sensor 21 is used to monitor the circuit board 16 in real time. When the temperature is too high, it releases an electrical signal to start the heat dissipation mechanism to work for timely heat dissipation, so as to achieve the effect of over-temperature protection.
[0021] In this embodiment, fixing plates 10 are fixedly installed on both sides of the machine base 6, and the fixing plates 10 are locked to the inner wall of the bottom side of the charging box 1 through first bolts 13. An organic shell 7 is integrally injection-molded at the center of the inner side wall of the machine base 6, and a heat dissipation mechanism is embedded inside the organic shell 7.
[0022] Specifically, the design of bolt connection makes the components modular and detachable, which facilitates installation and local disassembly and replacement.
[0023] In this embodiment, the heat dissipation mechanism is composed of a motor 8 and a fan 9. The motor 8 is embedded in the inner wall of the organic shell 7, and the output end of the motor 8 is fixedly connected to the center of the fan 9.
[0024] Specifically, when the temperature sensor 21 detects that the circuit board 16 is overheated, the motor 8 is started through an electrical signal. The rotation of the motor 8 can drive the fan 9 to rotate, so as to achieve the effect of air-cooled heat dissipation.
[0025] In this embodiment, a circle of positioning plates is arranged at the bottom of the heat dissipation base 14. A socket 4 is integrally injection-molded on the inner wall of the charging box 1, and a circle of slots 5 is opened on the socket 4. The bottom of the heat dissipation base 14 is inserted into the inner wall of the slot 5 through the positioning plates.
[0026] Specifically, the insertion setting between the heat dissipation base 14 and the socket 4 facilitates the installation and positioning of them.
[0027] In this embodiment, clamping plates 17 are fixedly installed on both side walls of the circuit board 16. Two groups of fixing seats 11 are symmetrically arranged on the inner wall of the charging box 1 on both sides of the socket 4. A positioning groove 12 is arranged at the top of the fixing seat 11, and the clamping plates 17 are fixedly installed in the positioning groove 12 through second bolts 18.
[0028] Specifically, the provided positioning slots 12 are used for initially positioning the clamping plates 17 on both sides of the circuit board 16, and the circuit board 16 is finally fixed by the provided second bolts 18, enabling it to closely adhere to the heat dissipation base 14 for heat dissipation.
[0029] In this embodiment, a top cover 19 is disposed in a fitting manner on the top of the charging case 1, and the four corners of the top cover 19 are connected to the charging case 1 through third bolts 20.
[0030] Specifically, the design of connecting the top cover 19 and the charging case 1 through bolts facilitates disassembly during internal maintenance.
[0031] It should be noted that the present utility model is a charger with an overheat protection effect. The design of connecting the top cover 19 and the charging case 1 through bolts facilitates disassembly during internal maintenance, and the design of connecting the internal components with bolts enables modular disassembly between the components, facilitating installation and partial disassembly and replacement. By providing an aluminum heat dissipation base 14 and heat dissipation ribs 15 at the bottom of the circuit board 16 for timely heat dissipation of the circuit board 16, the insertion setting between the heat dissipation base 14 and the socket 4 facilitates its installation and positioning. The provided temperature sensor 21 is used for real-time monitoring of the circuit board 16. When the temperature sensor 21 detects that the circuit board 16 is overheated, the motor 8 is started through an electrical signal. The rotation of the motor 8 can drive the fan 9 to rotate to achieve the effect of air-cooled heat dissipation. The provided positioning slots 12 are used for initially positioning the clamping plates 17 on both sides of the circuit board 16, and the circuit board 16 is finally fixed by the provided second bolts 18, enabling it to closely adhere to the heat dissipation base 14 for heat dissipation.
[0032] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.
Claims
1. A charger with overheat protection effect, comprising a charging box (1), a first wire (2), a second wire (3) and a circuit board (16), characterized in that: The first wire (2) and the second wire (3) are distributed on both sides of the charging box (1), and the first wire (2) and the second wire (3) are both connected to the two sides of the circuit board (16) through a wire group. A temperature sensor (21) is fixedly mounted on the circuit board (16), and a heat sink (14) is attached to the bottom of the circuit board (16). A plurality of groups of heat dissipation ribs (15) are evenly arranged on the inner side of the heat sink (14), and an organic base (6) is arranged on the inner side of the heat sink (14).
2. A charger with overheat protection effect according to claim 1, characterized in that: Fixed plates (10) are fixedly mounted on both sides of the base (6), and the fixed plates (10) are locked to the inner wall of the bottom side of the charging box (1) by means of first bolts (13). A housing (7) is integrally injection-molded at the center of the inner wall of the base (6), and a heat dissipation mechanism is embedded inside the housing (7).
3. A charger with overheat protection effect according to claim 2, characterized in that: The heat dissipation mechanism is composed of a motor (8) and a fan (9); the motor (8) is embedded in the inner wall of the housing (7), and the output end of the motor (8) is fixedly connected to the center of the fan (9).
4. A charger with overheat protection effect according to claim 1, characterized in that: A circle of positioning plates are arranged at the bottom of the heat sink (14); a socket (4) is integrally injection-molded on the inner wall of the charging box (1); a circle of slots (5) are arranged on the socket (4); and the bottom of the heat sink (14) is plugged into the inner wall of the slot (5) via the positioning plates.
5. A charger with overheat protection effect according to claim 4, characterized in that: A clamping plate (17) is fixedly mounted on both side walls of the circuit board (16); two sets of fixing seats (11) are symmetrically arranged on the inner walls of the charging box (1) on both sides of the socket (4); a positioning groove (12) is arranged on the top of the fixing seat (11); and the clamping plate (17) is fixedly mounted in the positioning groove (12) by a second bolt (18).
6. A charger with overheat protection effect according to claim 1, characterized in that: A top cover (19) is fitted on the top of the charging box (1), and the four corners of the top cover (19) are connected to the charging box (1) via third bolts (20).