Variable-frequency charging device for electric vehicle

By designing a variable frequency charging device for electric vehicles that includes shell, bottom plate structure, data board structure and variable frequency structure, the problem of non-interface connection between electric vehicles of different brands is solved, and the functions of stable connection and interface replacement are realized, which improves the flexibility and user experience of charging.

CN222933749UActive Publication Date: 2025-06-03PIXIU INTERNET TECH CO LTD
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Patent Information

Application Number
CN202421348725.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-06-03
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

Due to different interfaces of existing electric vehicle inverter chargers, emergency charging cannot be achieved between different brands of electric vehicles, affecting the user experience.

Method used

A variable frequency charging device for electric vehicles is designed, including a shell, bottom plate structure, data board structure and frequency conversion structure. By setting up a heat sink, a top cover connection block, a data board connection hole and a variable frequency conversion board connection hole, stable connection is achieved, and interface replacement of different electric vehicles is supported through removable transmission wires and rotary interfaces.

Benefits of technology

It achieves the stability and detachability of the overall connection, extends the life of the device, supports the replacement of interfaces of different electric vehicles, and improves the flexibility and user experience of charging.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of variable-frequency charging, and discloses a variable-frequency charging device for an electric vehicle, which comprises a shell, a bottom plate structure, a data board structure and a variable-frequency structure, the bottom plate structure is positioned at the bottom of the shell, the data board structure is positioned inside the shell, and the variable-frequency structure is positioned inside the shell; the shell comprises a heat dissipation shell, the top of the heat dissipation shell is fixedly connected with a top cover connecting block, and an upper positioning hole is formed in the surface of the top cover connecting block. According to the utility model, through the arrangement of the housing, specifically through the installation of the heat dissipation housing, the top cover connecting block, the upper positioning hole, the bottom plate connecting block, the lower positioning hole, the data plate connecting hole, the frequency conversion plate connecting hole, the power line, the screwing port, the top cover, the top cover installing hole, the radiating groove and the display groove, the whole device is stable in connection, the service life of the device is longer, and the whole structure is not easy to damage; and the interface replacement effect is achieved. The jacks of different plugs can be replaced through rotation, and different jacks can be replaced for different electric vehicles.
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Description

Technical Field

[0001] The utility model relates to the technical field of variable-frequency charging, in particular to a variable-frequency charging device for electric vehicles. Background Technique

[0002] The variable-frequency charger for electric vehicles is a charging device specially designed for electric vehicles. It uses variable-frequency technology to control the charging current and voltage to achieve an efficient and fast charging process. This charger can adjust the output current and voltage according to the type, specification and charging requirements of the electric vehicle battery to ensure the safety, stability and efficiency of the charging process.

[0003] Currently, the processes and outflows of electric vehicles of various brands are different, and the charging ports used are also different. When emergency charging different electric vehicles in different situations, most of the interfaces are different, resulting in inapplicability and affecting the experience.

[0004] Therefore, we provide a variable-frequency charging device for electric vehicles. Content of the Utility Model

[0005] To solve the above technical problems, the utility model provides a variable-frequency charging device for electric vehicles.

[0006] The utility model is realized by adopting the following technical scheme: a variable-frequency charging device for electric vehicles, including a housing, a bottom plate structure, a data board structure and a variable-frequency structure. The bottom plate structure is located at the bottom of the housing, the data board structure is located inside the housing, and the variable-frequency structure is located inside the housing;

[0007] The housing includes a heat dissipation housing. The top of the heat dissipation housing is fixedly connected with a top cover connecting block. The surface of the top cover connecting block is provided with upper positioning holes. The bottom of the heat dissipation housing is fixedly connected with a bottom plate connecting block. The surface of the bottom plate connecting block is provided with lower positioning holes. The surface of the heat dissipation housing is provided with data board connecting holes. The surface of the heat dissipation housing is provided with variable-frequency board connecting holes. The right side of the heat dissipation housing is fixedly connected with a power cord. The left side of the heat dissipation housing is fixedly connected with a rotary interface. The top of the heat dissipation housing is threadedly connected with a top cover. The surface of the top cover is provided with top cover mounting holes. The surface of the top cover is provided with heat dissipation grooves. The surface of the top cover is provided with display grooves.

[0008] Through the above technical scheme, the overall connection is stable and the transmission power supply can be detachably replaced.

[0009] As a further improvement of the above solution, the number of the upper positioning holes is four. The four upper positioning holes are distributed at the four corners at the inner top end of the heat dissipation shell. The number of the lower positioning holes is four. The four lower positioning holes are located at the four corners at the inner lower end of the heat dissipation shell. The upper positioning holes are aligned and fixedly connected by screw threads with the top cover mounting holes. The number of the data board connection holes is four. The four data board connection holes are evenly distributed on the left and right sides of the heat dissipation shell. The number of the frequency conversion board connection holes is four. The four frequency conversion board connection holes are symmetrically distributed on the left and right sides of the heat dissipation shell.

[0010] Through the above technical solution, the overall connection is stable.

[0011] As a further improvement of the above solution, the bottom plate structure includes a bottom plate. The surface of the bottom plate is provided with bottom plate mounting holes. The bottom of the bottom plate is fixedly connected to the grounding strip. The inside of the bottom plate is provided with a storage groove. The surface of the storage groove is provided with a power transmission line. The surface of the bottom plate is provided with a card slot. The bottom of the bottom plate is clamped with a sealing shell.

[0012] Through the above technical solution, a good effect of storing the power transmission line is achieved.

[0013] As a further improvement of the above solution, the power transmission line is a detachable electrical connection line. The power transmission line is rotatably connected and fixed with a rotary interface. Various interface power transmission lines can be placed in the storage groove. The number of the bottom plate mounting holes is four. The four bottom plate mounting holes are fixedly connected by screw threads with the lower positioning holes.

[0014] Through the above technical solution, the connection is stable.

[0015] As a further improvement of the above solution, the data board structure includes a data core board. The top of the data core board is provided with a display screen. The top of the data core board is provided with a display lamp. The bottom of the data core board is fixedly connected to a data side plate. The surface of the data side plate is provided with data board mounting holes.

[0016] Through the above technical solution, the usage data can be displayed.

[0017] As a further improvement of the above solution, the number of the data side plates is two, which are symmetrically distributed at the left and right ends at the bottom of the data core board.

[0018] Through the above technical solution, the connection is stable.

[0019] As a further improvement of the above solution, the frequency conversion structure includes a frequency conversion board. The top of the frequency conversion board is fixedly connected to a frequency conversion board side plate. The surface of the frequency conversion board side plate is provided with frequency conversion mounting holes. The data board mounting holes are fixedly connected by screw threads with the data board connection holes.

[0020] Through the above technical solution, the installation is stable.

[0021] As a further improvement of the above solution, the number of the side plates of the frequency conversion board is four, and the four side plates of the frequency conversion board are symmetrically and evenly distributed at the top of the frequency conversion board. The frequency conversion installation hole is fixedly connected to the frequency conversion board connection hole by threading.

[0022] Through the above technical solution, the installation is stable.

[0023] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0024] By setting the outer shell, specifically by installing the heat dissipation shell, the top cover connection block, the upper positioning hole, the bottom plate connection block, the lower positioning hole, the data board connection hole, the frequency conversion board connection hole, the power cord, the rotary interface, the top cover, the top cover installation hole, the heat dissipation slot, and the display slot, the whole device is stably connected, the service life of the device is relatively high, the overall structure is not easily damaged, and there is an effect of having a replacement interface. Different plug sockets can be replaced by rotation, and different plug interfaces can be replaced according to different electric vehicles.

[0025] By setting the bottom plate structure, specifically by installing the bottom plate, the bottom plate installation hole, the grounding strip, the storage slot, the transmission wire, the card slot, and the sealing shell, the effect of having a good storage for the sodium battery transmission line is achieved.

[0026] By setting the data board structure, specifically by installing the data core board, the display screen, the display lamp, the data side plate, and the data board installation hole, the visualization of the charging data is achieved.

[0027] By setting the frequency conversion structure, specifically by installing the frequency conversion board, the side plates of the frequency conversion board, and the frequency conversion installation hole, the effect of stable and durable operation is achieved. Brief Description of the Drawings

[0028] Figure 1 is the schematic diagram of the overall structure of the present utility model;

[0029] Figure 2 is the schematic diagram of the outer shell structure of the present utility model;

[0030] Figure 3 is the schematic diagram of the outer shell structure of the present utility model;

[0031] Figure 4 is the schematic diagram of the data board structure and the frequency conversion structure of the present utility model;

[0032] Figure 5 is the schematic diagram of the bottom plate structure of the present utility model;

[0033] Figure 6 Schematic diagram of the bottom plate structure of the present utility model.

[0034] Main Symbol Explanation:

[0035] 1. Outer shell; 101. Heat dissipation shell; 102. Top cover connection block; 103. Upper positioning hole; 104. Bottom plate connection block; 105. Lower positioning hole; 106. Data board connection hole; 107. Frequency conversion board connection hole; 108. Power cord; 109. Rotary interface; 110. Top cover; 111. Top cover mounting hole; 112. Heat dissipation slot; 113. Display slot; 2. Bottom plate structure; 201. Bottom plate; 202. Bottom plate mounting hole; 203. Grounding strip; 204. Storage slot; 205. Transmission wire; 206. Card slot; 207. Sealing shell; 3. Data board structure; 301. Data core board; 302. Display screen; 303. Display lamp; 304. Data side plate; 305. Data board mounting hole; 4. Frequency conversion structure; 401. Frequency conversion board; 402. Frequency conversion board side plate; 403. Frequency conversion mounting hole. Detailed implementation manners

[0036] Next, in combination with the accompanying drawings and specific implementation manners, the present utility model will be further described. It should be noted that, on the premise of no conflict, any combination can be formed among the following-described embodiments or technical features to form a new embodiment.

[0037] Embodiment:

[0038] Please refer to Figure 1-6 A frequency conversion charging device for an electric vehicle in this embodiment includes an outer shell 1, a bottom plate structure 2, a data board structure 3, and a frequency conversion structure 4. The bottom plate structure 2 is located at the bottom of the outer shell 1, the data board structure 3 is located inside the outer shell 1, and the frequency conversion structure 4 is located inside the outer shell 1;

[0039] The housing 1 includes a heat dissipation housing 101. A top cover connection block 102 is fixedly connected to the top of the heat dissipation housing 101. Upper positioning holes 103 are provided on the surface of the top cover connection block 102. A bottom plate connection block 104 is fixedly connected to the bottom of the heat dissipation housing 101. Lower positioning holes 105 are provided on the surface of the bottom plate connection block 104. Data board connection holes 106 are provided on the surface of the heat dissipation housing 101. Frequency conversion board connection holes 107 are provided on the surface of the heat dissipation housing 101. A power cord 108 is fixedly connected to the right side of the heat dissipation housing 101. A rotary interface 109 is fixedly connected to the left side of the heat dissipation housing 101. A top cover 110 is threadedly connected to the top of the heat dissipation housing 101. Top cover mounting holes 111 are provided on the surface of the top cover 110. Heat dissipation grooves 112 are provided on the surface of the top cover 110. Display grooves 113 are provided on the surface of the top cover 110. The number of the upper positioning holes 103 is four. The four upper positioning holes 103 are distributed at the four corners at the inner top end of the heat dissipation housing 101. The number of the lower positioning holes 105 is four. The four lower positioning holes 105 are located at the four corners at the inner lower end of the heat dissipation housing 101. The upper positioning holes 103 are aligned with the top cover mounting holes 111 and are fixedly connected by threading. The number of the data board connection holes 106 is four. The four data board connection holes 106 are evenly distributed on the left and right sides of the heat dissipation housing 101. The number of the frequency conversion board connection holes 107 is four. The four frequency conversion board connection holes 107 are symmetrically distributed on the left and right sides of the heat dissipation housing 101.

[0040] The bottom plate structure 2 includes a bottom plate 201. Bottom plate mounting holes 202 are provided on the surface of the bottom plate 201. A grounding strip 203 is fixedly connected to the bottom of the bottom plate 201. A storage groove 204 is provided inside the bottom plate 201. A power transmission wire 205 is provided on the surface of the storage groove 204. A card slot 206 is provided on the surface of the bottom plate 201. A sealing shell 207 is snap-connected to the bottom of the bottom plate 201. The power transmission wire 205 is a detachable electrical connection wire. The power transmission wire 205 is rotatably connected and fixed to the rotary interface 109. Various interface power transmission wires 205 can be placed in the storage groove 204. The number of the bottom plate mounting holes 202 is four. The four bottom plate mounting holes 202 are fixedly connected to the lower positioning holes 105 by threading.

[0041] The data board structure 3 includes a data core board 301. A display screen 302 is provided on the top of the data core board 301. A display lamp 303 is provided on the top of the data core board 301. A data side plate 304 is fixedly connected to the bottom of the data core board 301. Data board mounting holes 305 are provided on the surface of the data side plate 304. The number of the data side plates 304 is two, which are symmetrically distributed at the left and right ends at the bottom of the data core board 301.

[0042] The variable frequency structure 4 includes a variable frequency board 401. The top of the variable frequency board 401 is fixedly connected to the variable frequency board side plate 402. The surface of the variable frequency board side plate 402 is provided with variable frequency mounting holes 403. The data board mounting hole 305 is threadedly connected and fixed to the data board connection hole 106. The number of variable frequency board side plates 402 is four, and the four variable frequency board side plates 402 are symmetrically and evenly distributed on the top of the variable frequency board 401. The variable frequency mounting hole 403 is threadedly connected and fixed to the variable frequency board connection hole 107.

[0043] In the embodiment of the present application, the implementation principle of a variable frequency charging device for an electric vehicle is as follows: When in use, the power cord 108 is inserted into the power port to transmit variable frequency to the bottom plate 201 and then transmit it to the rotary interface 109. The electric vehicle is charged through the interface connected to the rotary interface 109. The usage data and status are observed through the display screen 302, and the charging status is observed through the display lamp 303. When going out or charging other electric vehicles, due to different brand process flows and different interfaces, the rotary interface 109 is rotated and installed by replacing the other types of transmission wires 205 stored in the storage tank 204 for connection. When it is necessary to disassemble and replace the internal components, the top cover 110 and the bottom plate 201 are disassembled and replaced.

[0044] The above implementation manners are only the preferred implementation manners of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by those skilled in the art on the basis of the present invention belong to the protection scope required by the present invention.

Claims

1. A variable frequency charging device for electric vehicles, characterized in that: The device comprises a housing (1), a base plate structure (2), a data plate structure (3) and a frequency conversion structure (4), wherein the base plate structure (2) is located at the bottom of the housing (1), the data plate structure (3) is located inside the housing (1), and the frequency conversion structure (4) is located inside the housing (1); The housing (1) comprises a heat dissipation shell (101), the top of the heat dissipation shell (101) is fixedly connected to a top cover connection block (102), the surface of the top cover connection block (102) is provided with an upper positioning hole (103), the bottom of the heat dissipation shell (101) is fixedly connected to a bottom plate connection block (104), the surface of the bottom plate connection block (104) is provided with a lower positioning hole (105), the surface of the heat dissipation shell (101) is provided with a data board connection hole (106), and the heat dissipation shell (101) The surface of the heat dissipation shell (101) is provided with a frequency conversion board connection hole (107), the right side of the heat dissipation shell (101) is fixedly connected to a power line (108), the left side of the heat dissipation shell (101) is fixedly connected to a rotation interface (109), the top of the heat dissipation shell (101) is threadedly connected to a top cover (110), the surface of the top cover (110) is provided with a top cover mounting hole (111), the surface of the top cover (110) is provided with a loose groove (112), and the surface of the top cover (110) is provided with a display groove (113).

2. A variable frequency charging device for electric vehicles as claimed in claim 1, characterized in that: The number of the upper positioning holes (103) is four, and the four upper positioning holes (103) are located at the top inner side of the heat dissipation shell (101) and distributed at four corners. The number of the lower positioning holes (105) is four, and the four lower positioning holes (105) are located at the four corners of the bottom inner side of the heat dissipation shell (101). The upper positioning holes (103) are aligned with the top cover mounting holes (111) and are screwed and fixed. The number of the data board connection holes (106) is four, and the four data board connection holes (106) are evenly distributed on the left and right sides of the heat dissipation shell (101). The number of the frequency conversion board connection holes (107) is four, and the four frequency conversion board connection holes (107) are symmetrically distributed on the left and right sides of the heat dissipation shell (101).

3. A variable frequency charging device for electric vehicles as claimed in claim 1, characterized in that: The bottom plate structure (2) comprises a bottom plate (201), the surface of the bottom plate (201) is provided with a bottom plate mounting hole (202), the bottom of the bottom plate (201) is fixedly connected with a grounding strip (203), the interior of the bottom plate (201) is provided with a storage tank (204), the surface of the storage tank (204) is provided with a transmission line (205), the surface of the bottom plate (201) is provided with a card slot (206), and the bottom of the bottom plate (201) is card-connected with a sealing shell (207).

4. A variable frequency charging device for electric vehicles as claimed in claim 1, characterized in that: The data board structure (3) comprises a digital core board (301), a display screen (302) is arranged on the top of the digital core board (301), a display light (303) is arranged on the top of the digital core board (301), a data side board (304) is fixedly connected to the bottom of the digital core board (301), and a data board mounting hole (305) is arranged on the surface of the data side board (304).

5. A variable frequency charging device for electric vehicles as claimed in claim 4, characterized in that: There are two data side boards (304), which are symmetrically distributed at the left and right ends of the bottom of the data core board (301).

6. A variable frequency charging device for electric vehicles as claimed in claim 4, characterized in that: The frequency conversion structure (4) comprises a frequency conversion board (401), the top of the frequency conversion board (401) is fixedly connected to a frequency conversion board side plate (402), the surface of the frequency conversion board side plate (402) is provided with a frequency conversion mounting hole (403), and the data board mounting hole (305) is threadedly connected and fixed to the data board connection hole (106).

7. A variable frequency charging device for electric vehicles as claimed in claim 6, characterized in that: There are four frequency conversion board side panels (402), which are symmetrically and evenly distributed on the top of the frequency conversion board (401), and the frequency conversion mounting hole (403) is threadedly connected and fixed to the frequency conversion board connection hole (107).