Electric vehicle charging system with charging converter

By integrating the AC to DC charger and automatic wire retrieval mechanism in the trunk of the electric vehicle, the problem of traditional charging equipment relying on external piles is solved, the flexibility and convenience of charging is achieved, and the heat dissipation efficiency and convenience of the equipment are improved.

CN223116201UActive Publication Date: 2025-07-18王建辉
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Patent Information

Application Number
CN202422564932.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-07-18
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

Traditional electric vehicles need to rely on external charging piles to charge, resulting in inflexible charging locations and may be inconvenient due to uneven distribution.

Method used

Design an electric vehicle charging system with its own charging converter, including an AC to DC charger integrated in the trunk, an automatic wire retrieval mechanism and a cooling system, connect the charging plug and the car charging port through the No. 1 and No. 2 power cords, and is equipped with a display screen and control switch.

Benefits of technology

It realizes the flexibility and convenience of charging, avoids cluttered power cords, improves the heat dissipation efficiency of the charging equipment, and ensures the stable operation of the charger.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electric automobile charging, and discloses an electric automobile charging system with a charging converter in order to solve the technical problem that charging of a traditional electric automobile usually depends on external charging piles, and charging is inconvenient due to uneven distribution of the charging piles. Comprising an alternating-current-to-direct-current charger and an electric automobile, the alternating-current-to-direct-current charger is installed in a trunk of the electric automobile, and a first power line and a second power line are connected to the alternating-current-to-direct-current charger; a first opening and a second opening are formed in the electric vehicle body, the first power line penetrates through the second opening to be connected with a charging port of the electric vehicle, the second power line penetrates through the first opening to be connected with a charging plug, and an automatic take-up mechanism is arranged on the second power line; the electric vehicle is provided with a display screen and a control switch, the display screen is electrically connected with the alternating current-to-direct current charger, and the alternating current-to-direct current charger is electrically connected with the control switch.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle charging, in particular to an electric vehicle charging system with a built-in charging converter. Background Art

[0002] With the popularization of electric vehicles, the convenience and efficiency of charging facilities have become key factors affecting user experience. Traditional electric vehicle charging usually relies on external charging piles, which not only limits the flexibility of charging locations but also may cause inconvenience due to uneven distribution of charging piles. Therefore, it is of great significance to develop a charging system that can be carried with the vehicle and is convenient to use. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the above-mentioned technical defects and provide an electric vehicle charging system with a built-in charging converter.

[0004] To solve the above technical problem, the technical solution provided by the utility model is an electric vehicle charging system with a built-in charging converter, including an AC-DC charger and an electric vehicle. The AC-DC charger is installed in the trunk of the electric vehicle, and a first power cord and a second power cord are connected to the AC-DC charger.

[0005] A first opening and a second opening are provided on the body of the electric vehicle. The first power cord passes through the second opening and is connected to the electric vehicle charging port. The second power cord passes through the first opening and is connected to the charging plug. An automatic wire winding mechanism is provided on the second power cord.

[0006] A display screen and a control switch are provided on the electric vehicle. The display screen is electrically connected to the AC-DC charger, and the AC-DC charger is electrically connected to the control switch.

[0007] Further, a heat dissipation round tube is installed at the bottom of the AC-DC charger. The heat dissipation round tube passes through the chassis of the electric vehicle and protrudes from the vehicle body.

[0008] Further, an exhaust fan is installed in the heat dissipation round tube. The exhaust fan is electrically connected to the control switch.

[0009] Further, the automatic wire winding mechanism includes a housing, a fixed shaft, a wire winding disc, and a spiral spring piece. A rotating shaft connecting rod is provided inside the housing. The wire winding disc is rotatably connected to the housing through the rotating shaft connecting rod. The second power cord is wound around the wire winding disc. A fixed shaft is fixedly connected inside the housing. One end of the spiral spring piece is fixedly connected to the fixed shaft, and the other end is fixedly connected to the inner wall of the wire winding disc.

[0010] Further, the spiral spring piece is a spiral steel sheet.

[0011] The advantages of the utility model compared with the prior art are:

[0012] 1) The utility model integrates an AC to DC charger into the trunk of an electric vehicle, making it possible to carry the charging device with the vehicle, thus greatly improving the flexibility and convenience of charging.

[0013] 2) The design of the automatic retracting mechanism allows the power cord to be automatically retracted when not in use, avoiding the clutter of the power cord and improving the convenience of use.

[0014] 3) The combination of heat dissipation circular pipe and exhaust fan effectively improves the heat dissipation efficiency of the charger and ensures the stable operation of the charger. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of an electric vehicle charging system with a built-in charging converter according to the utility model;

[0016] Figure 2 This is a front view of an AC to DC charger of an electric vehicle charging system with a built-in charging converter according to the utility model;

[0017] Figure 3 This is a rear view of an AC to DC charger of an electric vehicle charging system with a built-in charging converter according to the utility model;

[0018] Figure 4 It is a side view of an AC to DC charger of an electric vehicle charging system with a built-in charging converter of the utility model;

[0019] Figure 5 The utility model is a schematic diagram of the internal structure of an automatic wire-receiving mechanism of an electric vehicle charging system with a built-in charging converter.

[0020] As shown in the figure: 1. AC to DC charger, 2. Heat dissipation tube, 3. Display screen, 4. Control switch, 5. Opening No. 1, 6. Opening No. 2, 7. Power cord No. 1, 8. Power cord No. 2, 9. Automatic wire-reeling mechanism, 901, shell, 902, fixed shaft, 903, wire-reeling reel, 904, spiral spring, 10. Exhaust fan, 11. Charging plug, 12. Electric vehicle. DETAILED DESCRIPTION

[0021] The following is a further detailed description of an electric vehicle charging system with a built-in charging converter according to the utility model in conjunction with the accompanying drawings.

[0022] Combined with the attached drawings, an electric vehicle charging system with a built-in charging converter includes an AC-DC charger 1 and an electric vehicle 12. The AC-DC charger 1 is installed in the trunk of the electric vehicle 12. A first power cord 7 and a second power cord 8 are connected to the AC-DC charger 1.

[0023] One first opening 5 and one second opening 6 are provided on the body of the electric vehicle 12. The first power cord 7 passes through the second opening 6 and is connected to the charging port of the electric vehicle 12. The second power cord 8 passes through the first opening 5 and is connected to the charging plug 11. An automatic wire rewinding mechanism 9 is provided on the second power cord 8.

[0024] A display screen 3 and a control switch 4 are provided on the electric vehicle. The display screen 3 is electrically connected to the AC-DC charger 1, and the AC-DC charger 1 is electrically connected to the control switch 4.

[0025] Preferably, a heat dissipation round tube 2 is installed at the bottom of the AC-DC charger 1. The heat dissipation round tube 2 passes through the chassis of the electric vehicle 12 and protrudes from the vehicle body.

[0026] Preferably, an exhaust fan 10 is installed in the heat dissipation round tube 2. The exhaust fan 10 is electrically connected to the control switch 4.

[0027] Preferably, the automatic wire rewinding mechanism 9 includes a housing 901, a fixed shaft 902, a wire rewinding disc 903, and a spiral spring piece 904. A rotating shaft connecting rod is provided in the housing 901. The wire rewinding disc 903 is rotatably connected to the housing 901 through the rotating shaft connecting rod. The second power cord 8 is wound around the wire rewinding disc 903. A fixed shaft 902 is fixedly connected in the housing 901. One end of the spiral spring piece 904 is fixedly connected to the fixed shaft 902, and the other end is fixedly connected to the inner wall of the wire rewinding disc 903.

[0028] Preferably, the spiral spring piece 904 is a spiral steel sheet.

[0029] Preferably, a charging connector corresponding to the charging port of the electric vehicle 12 is provided on the first power cord 7.

[0030] When the present utility model is specifically implemented and this device is used, first, the electric vehicle 12 is parked in a suitable position, and the charging connector on the first power cord 7 is connected to the charging port of the electric vehicle 12.

[0031] The charging plug 11 is pulled outwards. At this time, the second power cord 8 wound around the automatic wire rewinding mechanism 9 will be pulled out until the charging plug 11 is connected to an external power source.

[0032] Start the AC-DC charger 1 by controlling the switch 4 to begin charging the electric vehicle 12. During the charging process, the charging status information can be observed through the display screen 3 to ensure the normal progress of the charging process. At the same time, start the exhaust fan 10 by controlling the switch 4 to dissipate heat from the AC-DC charger 1 to maintain its normal and stable operation.

[0033] When the charging is completed, turn off the control switch 4 to stop charging, unplug the charging plug 11 and the first power cord 7. The second power cord 8 will be wound up under the action of the automatic wire-winding mechanism 9 to achieve organization and storage.

[0034] The above describes the present utility model and its implementation manners. Such a description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and without departing from the creative concept of the present utility model, structures and embodiments similar to this technical solution are designed without creative efforts, and they should all fall within the protection scope of the present utility model.

Claims

1. An electric vehicle charging system with a built-in charging converter, characterized in that, It includes an AC-to-DC charger (1) and an electric vehicle (12). The AC-to-DC charger (1) is installed in the trunk of the electric vehicle (12), and a first power cord (7) and a second power cord (8) are connected to the AC-to-DC charger (1). On the body of the electric vehicle (12), a first opening (5) and a second opening (6) are provided. The first power cord (7) passes through the second opening (6) and is connected to the charging port of the electric vehicle (12). The second power cord (8) passes through the first opening (5) and is connected to the charging plug (11). An automatic wire winding mechanism (9) is provided on the second power cord (8). On the electric vehicle, there is a display screen (3) and a control switch (4). The display screen (3) is electrically connected to the AC-to-DC charger (1), and the AC-to-DC charger (1) is electrically connected to the control switch (4).

2. The electric vehicle charging system with a built-in charging converter according to claim 1, characterized in that, At the bottom of the AC-to-DC charger (1), a heat dissipation round tube (2) is installed. The heat dissipation round tube (2) passes through the chassis of the electric vehicle (12) and protrudes from the vehicle body.

3. The electric vehicle charging system with a built-in charging converter according to claim 2, characterized in that, An exhaust fan (10) is installed in the heat dissipation round tube (2), and the exhaust fan (10) is electrically connected to the control switch (4).

4. The electric vehicle charging system with a built-in charging converter according to claim 1, characterized in that, The automatic wire winding mechanism (9) includes a housing (901), a fixed shaft (902), a wire winding disc (903), and a spiral spring piece (904). Inside the housing (901), there is a rotating shaft connecting rod. The wire winding disc (903) is rotationally connected to the housing (901) through the rotating shaft connecting rod. The second power cord (8) is wound around the wire winding disc (903). Inside the housing (901), there is also a fixedly connected fixed shaft (902). One end of the spiral spring piece (904) is fixedly connected to the fixed shaft (902), and the other end is fixedly connected to the inner wall of the wire winding disc (903).

5. The electric vehicle charging system with a built-in charging converter according to claim 4, characterized in that, The spiral spring piece (904) is a spiral steel sheet.