A charging power supply module with power-off switching function

CN224746315UActive Publication Date: 2026-09-11HEBEI MAOSHUN ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202520420462.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-09-11
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

[0005]本实用新型提供一种具有断电切换功能的充电电源模块,解决了现有的充电电源模块仅依赖单一主电源,且散热过程中有外界灰尘杂质进入时不便维护的问题

Benefits of technology

本实用新型提供一种具有断电切换功能的充电电源模块,设置输入部、切换模块和保护组件,实现电源输入、切换和保护功能,在主电源断开后切换到备用电源,保障设备稳定运行,提高了供电的可靠性;散热风扇用于排出元器件运行时产生的热量,辅助散热组件在辅助散热风扇从散热口散热时,防止灰尘进入装置内部,同时也便于拆装维护。

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Abstract

The utility model provides a kind of charging power module with power-off switching function, comprising: shell, the upper portion of the shell is provided with cover, the inside of the shell is provided with input part, switching module and protection component, the input part includes power input end, mains connection line and standby power connection line, the both sides of the shell are provided with heat dissipation port, the heat dissipation port is provided with cooling fan, the inner wall of the shell is provided with sliding slot.The utility model provides a kind of charging power module with power-off switching function, sets up input part, switching module and protection component, realizes power input, switching and protection function, switches to standby power after mains is disconnected, guarantees equipment stable operation, improves the reliability of power supply;Cooling fan is used to discharge the heat generated when component runs, auxiliary heat dissipation component is in the auxiliary cooling fan from heat dissipation port radiates heat, prevent dust from entering device inside, also facilitate dismounting maintenance.
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Description

Technical Field

[0001] This utility model relates to the field of power failure switching technology, and in particular to a charging power supply module with power failure switching function. Background Technology

[0002] A power supply module is a power supply that can be directly mounted on a printed circuit board. Its features include the ability to provide power to application-specific integrated circuits (ASICs), digital signal processors (DSPs), microprocessors, memories, field-programmable gate arrays (FPGAs), and other digital or analog loads.

[0003] Existing charging power modules have certain defects. Most charging power modules rely on a single main power supply. Once the main power supply fails, such as a power outage or short circuit, the device will stop operating immediately. On the other hand, during the operation of electronic devices, the internal components will generate heat. If heat is not dissipated in time, the performance of the components will degrade and the lifespan will be shortened. In the process of heat dissipation, external dust and impurities will inevitably enter, making maintenance inconvenient.

[0004] Therefore, it is necessary to provide a charging power module with a power-off switching function to solve the above-mentioned technical problems. Utility Model Content

[0005] This utility model provides a charging power module with a power failure switching function, which solves the problem that existing charging power modules rely on a single main power supply and are inconvenient to maintain when external dust and impurities enter during the heat dissipation process.

[0006] To solve the above-mentioned technical problems, this utility model provides a charging power module with power-off switching function, comprising: a shell, a cover plate on the upper part of the shell, an input section, a switching module and a protection component inside the shell, the input section including a power input terminal, a main power connection line and a backup power connection line, heat dissipation vents on both sides of the shell, a cooling fan at the heat dissipation vent, and a sliding groove on the inner wall of the shell located on both sides of the heat dissipation vent, with an auxiliary heat dissipation component slidably connected in the sliding groove.

[0007] Preferably, the outer shell includes a base, a reinforcing member is provided at the corner of the base, a first fixing screw is provided on the reinforcing member, a cover plate fixing member is provided above the reinforcing member, the cover plate includes a cover plate body, a second fixing screw is provided at the corner of the cover plate body, the position of the second fixing screw corresponds to the cover plate fixing member, and an insertion port is provided on the cover plate body.

[0008] Preferably, the switching module includes a main power contact terminal, a backup power contact terminal, a fixing block, and a conductive component. The main power contact terminal is connected to the main power connection line. The main power contact terminal includes a first fixing plate, on which an electromagnet is disposed. A first conductive contact is disposed on the upper part of the first fixing plate. The conductive component is slidably connected to the fixing block. Connecting plates are fixedly connected to both ends of the conductive component. A magnetic block and a first spring are disposed on the connecting plate near the first fixing plate. The position of the magnetic block corresponds to that of the electromagnet. The other end of the first spring is fixedly connected to the first fixing plate.

[0009] Preferably, the backup power contact terminal is connected to the backup power connection line. The backup power contact terminal includes a second fixing plate, on which a second conductive contact and a second spring are provided. The other end of the second spring is fixedly connected to a connecting plate near the second fixing plate.

[0010] Preferably, the protection component includes an overload protector, with a power output line and a protection capacitor respectively provided on both sides of the overload protector, and the protection capacitor is electrically connected to the switching module.

[0011] Preferably, the auxiliary heat dissipation component includes a fixing plate, a heat dissipation fin is fixedly connected to the middle of the fixing plate, extension sections are provided at both ends of the fixing plate, a dustproof net is fixedly connected to the lower part of the extension section, the dustproof net is slidably connected to the slide groove, and the heat dissipation fin and the dustproof net pass through the insertion port.

[0012] Compared with related technologies, the charging power module with power-off switching function provided by this utility model has the following beneficial effects: This utility model provides a charging power module with a power failure switching function. It is equipped with an input section, a switching module and a protection component to realize power input, switching and protection functions. After the main power is disconnected, it switches to the backup power to ensure stable operation of the equipment and improve the reliability of power supply. The cooling fan is used to dissipate the heat generated by the components during operation. The auxiliary heat dissipation component prevents dust from entering the device when the auxiliary cooling fan dissipates heat from the heat dissipation port, and also facilitates disassembly and maintenance. Attached Figure Description

[0013] Figure 1 A schematic diagram of a preferred embodiment of a charging power supply module with power-off switching function provided by this utility model. Figure 1 ; Figure 2 A schematic diagram of a preferred embodiment of a charging power supply module with power-off switching function provided by this utility model. Figure 2 ; Figure 3 This is a schematic diagram of the cover plate in this utility model; Figure 4 This is a schematic diagram of the internal structure of the outer shell in this utility model; Figure 5 This is a schematic diagram of the switching module in this utility model.

[0014] The diagram is labeled as follows: 1. Outer shell, 11. Base, 12. Reinforcing member, 13. First fixing screw, 14. Cover plate fixing member, 2. Cover plate, 21. Cover plate body, 22. Second fixing screw, 23. Insertion port, 3. Input section, 31. Power input terminal, 32. Main power connection line, 33. Backup power connection line, 4. Switching module, 41. First fixing plate, 42. Electromagnet, 43. First conductive contact, 44. Fixing block, 45. Conductive component, 46. Connecting plate, 47. Magnetic block, 48. First spring, 49. Second fixing plate, 410. Second conductive contact, 411. Second spring, 5. Protection component, 51. Overload protector, 52. Power output line, 53. Protection capacitor, 6. Heat dissipation port, 7. Cooling fan, 8. Auxiliary heat dissipation component, 81. Fixing plate, 82. Heat dissipation fins, 83. Extension section, 84. Dustproof net, 9. Slide groove. Detailed Implementation

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of a preferred embodiment of a charging power supply module with power-off switching function provided by this utility model. Figure 1 ; Figure 2 A schematic diagram of a preferred embodiment of a charging power supply module with power-off switching function provided by this utility model. Figure 2 ; Figure 3 This is a schematic diagram of the cover plate in this utility model; Figure 4 This is a schematic diagram of the internal structure of the outer shell in this utility model; Figure 5 This is a schematic diagram of the switching module in this utility model.

[0017] A charging power module with power-off switching function includes: a housing 1, a cover plate 2 on the upper part of the housing 1, an input part 3, a switching module 4 and a protection component 5 inside the housing 1, the input part 3 including a power input terminal 31, a main power connection line 32 and a backup power connection line 33, heat dissipation vents 6 on both sides of the housing 1, a cooling fan 7 at the heat dissipation vents 6, and a sliding groove 9 on the inner wall of the housing 1, the sliding groove 9 being located on both sides of the heat dissipation vents 6, and an auxiliary heat dissipation component 8 slidably connected in the sliding groove 9.

[0018] The upper part of the outer casing 1 is provided with a cover plate 2 to protect the internal components and prevent dust and foreign objects from entering. The inner part of the outer casing 1 is provided with an input section 3, a switching module 4 and a protection component 5 to realize power input, switching and protection functions, ensure stable operation of the equipment and improve power supply reliability. The outer casing 1 has heat dissipation vents 6 on both sides and is provided with a cooling fan 7 to dissipate the heat generated by the internal components during operation. The auxiliary heat dissipation component 8 plays an auxiliary role.

[0019] The outer casing 1 includes a base 11, a reinforcing member 12 is provided at the corner of the base 11, a first fixing screw 13 is provided on the reinforcing member 12, a cover plate fixing member 14 is provided above the reinforcing member 12, the cover plate 2 includes a cover plate body 21, a second fixing screw 22 is provided at the corner of the cover plate body 21, the position of the second fixing screw 22 corresponds to the cover plate fixing member 14, and an insertion port 23 is provided on the cover plate body 21.

[0020] A reinforcing member 12 is provided at the corner of the base 11 and equipped with a first fixing screw 13, which can enhance the structural strength of the outer shell and prevent deformation and damage caused by external force collisions, etc. A cover plate fixing member 14 is provided above the reinforcing member 12 to facilitate the fixing of the cover plate 2. A second fixing screw 22 is provided at the corner of the cover plate body 21, corresponding to the cover plate fixing member 14, so that the cover plate 2 is firmly installed. An insertion port 23 is provided on the cover plate body 21 to facilitate the installation and positioning of the auxiliary heat dissipation component 8.

[0021] The switching module 4 includes a main power contact terminal, a backup power contact terminal, a fixing block 44, and a conductive element 45. The main power contact terminal is connected to the main power connection line 32. The main power contact terminal includes a first fixing plate 41. An electromagnet 42 is provided on the first fixing plate 41. A first conductive contact 43 is provided on the upper part of the first fixing plate 41. The conductive element 45 is slidably connected to the fixing block 44. Connecting plates 46 are fixedly connected to both ends of the conductive element 45. A magnetic block 47 and a first spring 48 are provided on the connecting plate 46 near the first fixing plate 41. The position of the magnetic block 47 corresponds to that of the electromagnet 42. The other end of the first spring 48 is fixedly connected to the first fixing plate 41.

[0022] In the switching module 4, the main power contact terminal is connected to the main power connection line 32. During normal operation, the electromagnet 42 attracts the magnetic block 47, so the first spring 48 is compressed. At this time, the first conductive contact 43 is connected to the conductive component 45, connecting the main power circuit and realizing the stable connection and switching control of the main power.

[0023] The backup power contact terminal is connected to the backup power connection line 33. The backup power contact terminal includes a second fixing plate 49. The second fixing plate 49 is provided with a second conductive contact 410 and a second spring 411. The other end of the second spring 411 is fixedly connected to a connecting plate 46 near the second fixing plate 49.

[0024] The backup power contact terminal is connected to the backup power connection line 33. During normal operation, the second spring 411 is stretched. When the main power is disconnected, the electromagnet 42 loses its magnetism and no longer attracts the magnetic block 47. Therefore, the first spring 48 pushes and the second spring 411 pulls the conductive element 45, and the conductive element 45 contacts the second conductive contact 410. The backup power circuit is connected, realizing the rapid access of the backup power.

[0025] The protection component 5 includes an overload protector 51. A power output line 52 and a protection capacitor 53 are respectively provided on both sides of the overload protector 51. The protection capacitor 53 is electrically connected to the switching module 4.

[0026] The overload protector 51 can protect the equipment when the circuit is overloaded, and at the same time protects the capacitor 53 to stabilize the circuit voltage and improve the circuit stability.

[0027] The auxiliary heat dissipation component 8 includes a fixing plate 81, with heat dissipation fins 82 fixedly connected in the middle of the fixing plate 81. Extension sections 83 are provided at both ends of the fixing plate 81, and a dustproof net 84 is fixedly connected to the lower part of the extension section 83. The dustproof net 84 is slidably connected to the slide groove 9, and the heat dissipation fins 82 and the dustproof net 84 pass through the insertion port 23.

[0028] The heat dissipation fins 82 can enhance the heat dissipation effect, and the dust filter 84 can prevent dust from entering the equipment when the cooling fan 7 is running. At the same time, it passes through the insertion port 23 for easy disassembly and assembly, and prevents the dust filter 84 from accumulating dust and affecting the heat dissipation effect after long-term use.

[0029] The working principle of the charging power module with power-off switching function provided by this utility model is as follows: The upper part of the outer casing 1 is provided with a cover plate 2 to protect the internal components and prevent dust and foreign objects from entering. The inner part of the outer casing 1 is provided with an input section 3, a switching module 4 and a protection component 5 to realize power input, switching and protection functions, ensure stable operation of the equipment and improve power supply reliability. The outer casing 1 has heat dissipation vents 6 on both sides and is provided with a cooling fan 7 to dissipate the heat generated by the internal components during operation. The auxiliary heat dissipation component 8 plays an auxiliary role.

[0030] Compared with related technologies, the charging power module with power-off switching function provided by this utility model has the following beneficial effects: The system includes an input section 3, a switching module 4, and a protection component 5, which enable power input, switching, and protection functions. After the main power supply is disconnected, it switches to the backup power supply to ensure stable operation of the equipment and improve the reliability of power supply. The cooling fan 7 is used to dissipate the heat generated by the components during operation. The auxiliary heat dissipation component 8 prevents dust from entering the device when the auxiliary cooling fan 7 dissipates heat from the heat dissipation port 6, and also facilitates disassembly and maintenance.

[0031] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A charging power supply module having a power-off switching function, characterized by comprising: include: The housing includes a cover plate on its upper part and an input section, a switching module, and protection components inside. The input section includes a power input terminal, a main power connection cable, and a backup power connection cable. Ventilation vents are located on both sides of the housing, and cooling fans are installed at these vents. Sliding grooves are provided on the inner wall of the housing, located on both sides of the ventilation vents, and auxiliary heat dissipation components are slidably connected within these grooves. The switching module includes a main power contact terminal, a backup power contact terminal, a fixing block, and conductive components. The main power contact terminal is connected to the main power connection cable and includes a first fixing plate. An electromagnet is provided on the fixed plate. A first conductive contact is provided on the upper part of the first fixed plate. The conductive element is slidably connected to the fixed block. Connecting plates are fixedly connected to both ends of the conductive element. A magnetic block and a first spring are provided on the connecting plate near the first fixed plate. The position of the magnetic block corresponds to the electromagnet. The other end of the first spring is fixedly connected to the first fixed plate. The backup power contact end is connected to the backup power connection line. The backup power contact end includes a second fixed plate. A second conductive contact and a second spring are provided on the second fixed plate. The other end of the second spring is fixedly connected to the connecting plate near the second fixed plate.

2. The charging power module with power-off switching function according to claim 1, characterized in that, The outer casing includes a base, a reinforcing member is provided at the corner of the base, a first fixing screw is provided on the reinforcing member, a cover plate fixing member is provided above the reinforcing member, the cover plate includes a cover plate body, a second fixing screw is provided at the corner of the cover plate body, the position of the second fixing screw corresponds to the cover plate fixing member, and an insertion port is provided on the cover plate body.

3. The charging power module with power-off switching function according to claim 1, characterized in that, The protection component includes an overload protector, with a power output line and a protection capacitor respectively provided on both sides of the overload protector, and the protection capacitor is electrically connected to the switching module.

4. The charging power module with power-off switching function according to claim 2, characterized in that, The auxiliary heat dissipation component includes a fixing plate, a heat dissipation fin is fixedly connected to the middle of the fixing plate, and extension sections are provided at both ends of the fixing plate. A dustproof net is fixedly connected to the lower part of the extension section. The dustproof net is slidably connected to the slide groove, and the heat dissipation fin and the dustproof net pass through the insertion port.