Power supply control module of charging pile

Abstract

The utility model relates to a power supply control module of a charging pile, which comprises a base, a plurality of relays arranged on the base, a cover plate sealed at the bottom of the base, and an insulating plate positioned between the base and the cover plate, the cover plate is provided with an inlet wire connecting plate, and the insulating plate is provided with an outlet wire connecting plate. Through the modular design of the base, the cover plate, the insulating plate, the wire inlet connecting plate, the wire outlet connecting plate and the like, the whole module is more compact in structure and easy to assemble, the production process is simplified, the assembly difficulty and cost are reduced, and the production efficiency is improved. The plug-in assembly on the relay is in plug-in type connection with the slots in the wire inlet connecting plate and the wire outlet connecting plate, the connection mode does not need a complex wiring process, the installation efficiency and convenience are greatly improved, meanwhile, the plug-in type connection also has good electrical contact performance, and stable transmission of current and signals is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of high-frequency power supply, and in particular to a power supply control module of a charging pile. Background Art

[0002] Charging piles are important equipment for charging electric vehicles, and the design of their power control modules is crucial. Existing charging pile power control modules have complex wiring methods when connecting relays and external circuits in terms of structure and function, which not only increases the difficulty of installation and maintenance, but may also cause electrical failures due to poor wiring. In addition, some modules have poor heat dissipation performance, which can easily cause relays to overheat, thus affecting their service life and reliability. In addition, existing charging pile power control modules also have certain problems in fixing relays. Some modules use simple screw fixing methods, which not only increases assembly time, but may also cause poor relay connection due to loose screws. At the same time, some modules lack flexibility in incoming and outgoing line connections, making it difficult to meet the needs of different application scenarios. Utility Model Content

[0003] In view of this, an object of the present utility model is to provide a power control module for a charging pile which has a compact structure, is easy to assemble, has stable and reliable electrical connection, and has strong adaptability.

[0004] In order to achieve the above objectives, the utility model adopts such a power control module of a charging pile, including a base, a plurality of relays arranged on the base, a cover plate sealed at the bottom of the base, and an insulating plate located between the base and the cover plate, the cover plate is provided with an incoming line connection plate, the insulating plate is provided with an outgoing line connection plate, the incoming line connection plate is provided with a first slot port, the outgoing line connection plate is provided with a second slot port, the base is provided with a plug interface corresponding to the first slot port and the second slot port respectively, the relay is provided with a plug assembly matching the first slot port and the second slot port, and the plug assembly is plug-connected with the first slot port and the second slot port on the incoming line connection plate and the outgoing line connection plate through the plug interface on the base.

[0005] The beneficial effect of the above structure is that through the modular design of components such as the base, cover plate, insulating plate, incoming connection plate and outgoing connection plate, the structure of the entire module is more compact and easy to assemble, which not only simplifies the production process, but also reduces the difficulty and cost of assembly. The plug-in components on the relay and the slots on the incoming connection plate and the outgoing connection plate are connected by plug-in. This connection method does not require a complicated wiring process, which greatly improves the installation efficiency and convenience. At the same time, the plug-in connection also has good electrical contact performance, ensuring the stable transmission of current and signals. The design of the insulating plate effectively realizes electrical isolation and prevents the occurrence of electrical faults such as current leakage and short circuit. The incoming connection plate and the outgoing connection plate are respectively provided with a first slot port and a second slot port, so that the module can flexibly configure different numbers and types of relays according to actual needs to meet different charging needs and application scenarios.

[0006] The utility model is further configured that the plug-in component includes a first plug-in copper column and a second plug-in copper column fixedly connected to the output end of the relay, the first plug-in copper column and the second plug-in copper column are respectively plugged into the first clamping spring sheet and the second clamping spring sheet, the ends of the first plug-in copper column and the second plug-in copper column are both integrally formed with elastic spring sheets, the first clamping spring sheet and the second clamping spring sheet are both provided with elastic contact parts matching the shape of the elastic spring sheets, which are respectively used to receive and clamp the elastic spring sheets of the first plug-in copper column and the elastic spring sheets of the second plug-in copper column, the other end of the first clamping spring sheet is plugged into the first slot opening, and extends to be suspended in the space between the incoming line connection plate and the cover plate, and the other end of the second clamping spring sheet is plugged into the second slot opening, and tightly contacts the surface of the insulating plate. Elastic spring sheets are integrally formed at the ends of the first plug-in copper column and the second plug-in copper column, and these elastic spring sheets form a tight fit with the elastic contact parts on the first clamping spring sheet and the second clamping spring sheet, ensuring the stability and reliability of the electrical connection, and maintaining a good contact state even in harsh environments such as vibration or impact. The other end of the first clamping spring sheet is inserted into the first slot and extends to be suspended in the space between the incoming line connection plate and the cover plate, which helps to reduce loose connection caused by external stress and further improves the stability of the electrical connection.

[0007] The utility model is further configured that a circuit board connected to the relay is provided on one side of the plug-in assembly of the relay, and the circuit board is provided with a first pin and a second pin that match the output end of the relay, and the second pin is indirectly connected to the corresponding output end of the relay through a plug-in component, and a pin slot extending downward is provided at the position corresponding to the first pin and the second pin on the base. The first pin and the second pin are respectively plugged into the circuit board, and this plug-in method ensures the stability and reliability of the electrical connection. The contact area between the pin and the circuit board is large, and the contact resistance is small, which is conducive to the stable transmission of current. The second pin is connected to the circuit board through a plug-in component, and the plug-in component plays a role in strengthening and stabilizing the connection. Even in harsh environments such as vibration or impact, the pin and the circuit board can maintain good contact. The base is provided with a pin slot extending downward corresponding to the first pin and the second pin, and these pin slots play a role in guiding and positioning.

[0008] The utility model is further configured such that the bottom of the outlet connection plate is in planar contact with the insulating plate, and one end is provided with a first guiding inclined surface in contact with the cover plate, and the two ends of the outlet connection plate extend outward respectively and extend outside the base. The uniformity and stability of the electrical connection are ensured by maintaining a planar contact between the bottom of the outlet connection plate and the insulating plate. The planar contact can reduce the contact resistance, which is conducive to the stable transmission of current, thereby improving the electrical performance. The use of the insulating plate plays a role in electrical isolation, preventing the occurrence of electrical faults such as current leakage and short circuit. At the same time, the insulating plate also provides mechanical support, which enhances the stability of the outlet connection plate. The first guiding inclined surface provided at one end of the outlet connection plate is in contact with the cover plate. This design plays a guiding role during installation.

[0009] The utility model is further configured such that the bottom of the incoming line connection plate is in plane contact with the cover plate, and one end is provided with a second guiding inclined surface in contact with the cover plate, and the two ends of the incoming line connection plate extend outwards respectively and extend outside the base. The bottom of the incoming line connection plate is in plane contact with the cover plate, and this design ensures the stability and reliability of the electrical connection. The plane contact can reduce the contact resistance, which is conducive to the stable transmission of the current, thereby ensuring the electrical performance of the entire power control module. The design of the second guiding inclined surface plays a guiding role during installation.

[0010] The utility model is further configured that a surrounding steel wire hook is provided on the relay, and the base is provided with a corresponding hook groove corresponding to the steel wire hook. The cooperation between the steel wire hook and the hook groove can effectively prevent the relay from loosening or falling off in harsh environments such as vibration or impact, thereby improving the structural stability of the entire power control module.

[0011] The utility model is further configured that the incoming connection plate and the outgoing connection plate are copper bars. The copper bars not only have good electrical conductivity, but also have high mechanical strength, which makes the incoming connection plate and the outgoing connection plate less likely to be deformed or damaged when subjected to large currents, thereby ensuring the structural stability and reliability of the entire charging system. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural stereoscopic schematic diagram of an embodiment of the utility model.

[0013] Figure 2 This is a schematic diagram of the structure explosion of the embodiment of the utility model

[0014] Figure 3 It is an exploded view of the assembly of the relay and the plug-in component of the embodiment of the utility model.

[0015] Figure 4 It is an exploded schematic diagram of the plug-in assembly of an embodiment of the utility model without a base.

[0016] Figure 5 It is an exploded view of the assembly of the relay and the circuit board of the embodiment of the utility model.

[0017] Figure 6 It is a front view of the assembly of the relay and the circuit board of the embodiment of the utility model.

[0018] Figure 7 It is an exploded view of the assembly of the base, the insulating plate and the outlet connection plate of the embodiment of the utility model.

[0019] Figure 8 It is an exploded view of the assembly of the base, the cover plate and the incoming line connecting plate of the embodiment of the utility model.

[0020] Fig. 9 It is a schematic diagram of the connection status of four modules in an embodiment of the utility model. DETAILED DESCRIPTION

[0021] like Figure 1-Figure 9As shown, the first embodiment of the utility model provides a power control module of a charging pile, including a base 1, six relays 2 arranged on the base 1, a cover plate 3 sealed at the bottom of the base 1, and an insulating plate 4 located between the base 1 and the cover plate 3, six incoming line connection plates 5 are arranged on the cover plate 3, and an outgoing line connection plate 6 is arranged on the insulating plate 4, each incoming line connection plate 5 is provided with a first slot opening 51, and the outgoing line connection plate 6 is provided with six second slot openings 61, and the base 1 is provided with a first slot opening 51 and a second slot opening 61, which are respectively connected to each other. Corresponding to the plug interface 11, each relay 2 is provided with a plug component 7 matching the first slot port 51 and the second slot port 61, and the plug component 7 is plug-connected with the first slot port 51 and the second slot port 61 on the incoming connection plate 5 and the outgoing connection plate 6 through the plug interface 11 on the base 1. Each relay 2 is provided with a surrounding steel wire hook 21, and the base 1 is provided with a corresponding hook groove 13 corresponding to the steel wire hook 21 to prevent it from loosening or displacement during operation, and the incoming connection plate 5 and the outgoing connection plate 6 are both made of copper bars.

[0022] The plug-in assembly 7 includes a first plug-in copper column 71 and a second plug-in copper column 72 fixedly connected to the output end of the relay 2. The first plug-in copper column 71 and the second plug-in copper column 72 are respectively plugged into the first clamping spring piece 73 and the second clamping spring piece 74. The ends of the first plug-in copper column 71 and the second plug-in copper column 72 are both integrally formed with elastic spring pieces 75. The first clamping spring piece 73 and the second clamping spring piece 74 are both provided with elastic contact portions 70 that match the shape of the elastic spring piece 75, which are respectively used to receive and clamp the elastic spring piece 75 of the first plug-in copper column 71 and the elastic spring piece 75 of the second plug-in copper column 72. The other end of the first clamping spring piece 73 is plugged into the first slot opening 51 and extends to suspend in the space between the incoming line connection plate 5 and the cover plate 3. The other end of the second clamping spring piece 74 is plugged into the second slot opening 61 and tightly contacts the surface of the insulating plate 4.

[0023] The relay 2 is provided with a circuit board 8 plugged into the relay 2 on one side of the plug-in component 7, and the circuit board 8 is provided with a first pin 81 and a second pin 82 matching the output end of the relay 2. The first pin 81 is directly connected to the corresponding output end of the relay 2, and the second pin 82 is indirectly connected to the corresponding output end of the relay 2 through a plug-in component 83. A downwardly extending pin groove 12 is provided at the position corresponding to the first pin 81 and the second pin 82 on the base 1.

[0024] The bottom of the outgoing connection plate 6 maintains planar contact with the insulating plate 4, and one end is provided with a first guide inclined surface 62 in contact with the cover plate 3, and the two ends of the outgoing connection plate 6 extend outward respectively and extend outside the base 1, and the bottom of each incoming connection plate 5 maintains planar contact with the cover plate 3, and one end is provided with a second guide inclined surface 52 in contact with the cover plate 3, and the two ends of each incoming connection plate 5 extend outward respectively and extend outside the base 1.

[0025] In the power control module of the charging pile, the design of the outgoing connection plate 6 and the incoming connection plate 5 on the base 1 is extensible, and both ends of them extend outside the base 1, which allows them to be connected with other identical power control modules. Specifically, one end of the outgoing connection plate 6 is provided with a first guide bevel 62. When it is necessary to stack this module with another identical power control module, the first guide bevel 62 of the outgoing connection plate 6 will be aligned with the outgoing connection plate 6 at the end of the other module that is not the first guide bevel 62, ensuring a close fit between the outgoing connection plates 6, thereby ensuring a smooth and stable electrical connection. At the same time, in this module The outgoing line connection plate 6 at the end that is not the first guide slope 62 will be stacked and connected with the first guide slope 62 in another module, so that seamless connection between the modules is achieved. Similarly, one end of the incoming line connection plate 5 is also provided with a second guide slope 52. When the module is additionally connected, the incoming line connection plate 5 of this module will be aligned and connected with the incoming line connection plate 5 at the end that is not the second guide slope 52 in another module. In the scenario of additional connection of multiple modules, the relay 2 in each module will be firmly fixed to its respective base 1 through the wire hook 21 (only the wire hook 21 of a single module is shown in the figure, and the wire hooks 21 in other modules are not drawn).

[0026] Of course, in addition to the above-mentioned embodiments, the present invention may also have many other embodiments. Without departing from the essential technical content of the present invention, technicians familiar with the field may make various corresponding changes and deformations according to the present invention, and these changes or deformations are equivalent to the technical solutions in this patent. These corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A power control module for a charging pile, characterized in that: The invention comprises a base, a plurality of relays arranged on the base, a cover plate sealed at the bottom of the base, and an insulating plate located between the base and the cover plate, wherein an incoming line connection plate is arranged on the cover plate, an outgoing line connection plate is arranged on the insulating plate, a first slot opening is arranged on the incoming line connection plate, a second slot opening is arranged on the outgoing line connection plate, a plug interface corresponding to the first slot opening and the second slot opening respectively is arranged on the base, a plug assembly matching the first slot opening and the second slot opening is arranged on the relay, and the plug assembly is plug-connected with the first slot opening and the second slot opening on the incoming line connection plate and the outgoing line connection plate through the plug interface on the base.

2. The power control module of the charging pile according to claim 1, characterized in that: The plug-in assembly includes a first plug-in copper column and a second plug-in copper column fixedly connected to the output end of the relay, the first plug-in copper column and the second plug-in copper column are respectively plugged into a first clamping spring sheet and a second clamping spring sheet, the ends of the first plug-in copper column and the second plug-in copper column are both integrally formed with elastic spring sheets, the first clamping spring sheet and the second clamping spring sheet are both provided with elastic contact portions matching the shape of the elastic spring sheets, respectively used to receive and clamp the elastic spring sheets of the first plug-in copper column and the elastic spring sheets of the second plug-in copper column, the other end of the first clamping spring sheet is plugged into the first slot opening, and extends to suspend in the space between the incoming line connection plate and the cover plate, the other end of the second clamping spring sheet is plugged into the second slot opening, and tightly contacts the surface of the insulating plate.

3. The power control module of the charging pile according to claim 1 or 2, characterized in that: The relay is provided with a circuit board connected to the relay on one side of the plug-in component, and the circuit board is provided with a first pin and a second pin corresponding to the output end of the relay. The second pin is indirectly connected to the corresponding output end of the relay through the plug-in component, and a pin groove extending downward is provided at the position corresponding to the first pin and the second pin on the base.

4. The power control module of the charging pile according to claim 3, characterized in that: The bottom of the outlet connection plate maintains planar contact with the insulating plate, and one end is provided with a first guiding inclined surface in contact with the cover plate. Both ends of the outlet connection plate extend outwards respectively and extend outside the base.

5. The power control module of the charging pile according to claim 3, characterized in that: The bottom of the incoming line connection plate maintains planar contact with the cover plate, and one end is provided with a second guiding inclined surface in contact with the cover plate. Both ends of the incoming line connection plate extend outwards respectively and extend outside the base.

6. The power control module of the charging pile according to claim 1, characterized in that: The relay is provided with a surrounding steel wire hook, and the base is provided with a corresponding hook groove corresponding to the steel wire hook.

7. The power control module of the charging pile according to claim 1, characterized in that: The incoming line connection plate and the outgoing line connection plate are copper bars.

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