Vehicle-mounted charging device for new energy vehicle

Abstract

The vehicle-mounted charging device for the new energy automobile comprises a left protective shell, a right protective shell and a power supply device arranged in the left protective shell and the right protective shell, storage grooves are formed in the opposite side walls of the left protective shell and the right protective shell, and an arc-shaped plate is slidably arranged in the storage groove in the left protective shell; the power supply device can transversely move in the left protective shell and the right protective shell in the horizontal direction, the arc-shaped plate is connected with the power supply device through a pushing mechanism, and the movement direction of the arc-shaped plate is always opposite to that of the power supply device. By arranging the left protective shell and the right protective shell in a fixed form, an internal power supply device can be exposed only by controlling the arc-shaped plate to move in the storage grooves in the left protective shell and the right protective shell during use, and meanwhile, the power supply device can be moved to the opening side after the arc-shaped plate is opened, so that a charging gun on the power supply device can be conveniently and quickly taken, and the use is convenient. Not only is the occupied space effectively saved, but also the rescue charging efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the field of vehicle-mounted charging technology, and in particular to a vehicle-mounted charging device for a new energy vehicle. Background Art

[0002] As the country vigorously advocates green travel, the new energy vehicle industry has ushered in a booming development. This type of electric-powered car has quickly become a favorite of consumers due to its zero-emission and low-noise advantages. However, limited cruising range has always been a bottleneck in its development. In addition, the location of the charging pile is fixed. Once the vehicle runs out of power while driving, it often has to rely on a rescue trailer. In order to break through this dilemma, on-board mobile charging piles came into being, bringing new solutions to new energy vehicle travel.

[0003] In order to effectively protect the on-board charging device, patent document CN113844304A proposes a vehicle-mounted charging pile for new energy vehicles. In this technical solution, when a vehicle needs rescue charging, the vehicle can be directly driven to a designated location, and then the progressive motor is turned on. After the progressive motor is turned on, it will drive the threaded rod to rotate. When the threaded rod rotates, the moving shell will move outward from the outer shell. When it is actually installed on the vehicle body for rescue, this outward expansion design is easily limited by the space in the car. It is not only inconvenient to take the charging gun, but it can often only be used on larger trucks, which undoubtedly increases the cost of rescue. Accordingly, this application proposes a vehicle-mounted charging device for new energy vehicles. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an on-board charging device for new energy vehicles.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A vehicle-mounted charging device for a new energy vehicle comprises a left protective shell, a right protective shell and a power supply device arranged inside the left protective shell and the right protective shell, wherein the opposite side walls of the left protective shell and the right protective shell are provided with a storage groove, wherein an arc plate is slidably arranged in the storage groove on the left protective shell;

[0007] The power supply device can move horizontally in the left protective shell and the right protective shell, wherein the arc plate is connected to the power supply device through a pushing mechanism, and the movement directions of the arc plate and the power supply device are always opposite;

[0008] A fixing ring is provided on both the left protective shell and the right protective shell, a connecting seat is fixedly provided on the lower side of the fixing ring, and the connecting seat can be fixed on the vehicle body by bolts;

[0009] The power supply device is internally provided with a storage battery. A placement cavity and a transmission groove are respectively formed on the front and rear sides of the power supply device. A charging gun is arranged in the placement cavity, and the charging gun can transmit the electric energy inside the storage battery to the vehicle to be charged.

[0010] Preferably, two gun racks are arranged in the placement cavity. The gun racks are used to hold the charging gun, and the gun racks are driven by a driving mechanism to move back and forth to send out or retract the charging gun from the placement cavity.

[0011] Preferably, a wire reel is installed in the transmission groove. The wire reel is used to wind and unwind the cable of the charging gun, and a tensioning and releasing device is arranged on the wire reel. The tensioning and releasing device can tighten or loosen the cable on the wire reel.

[0012] Preferably, the tensioning and releasing device is connected to the driving mechanism through a connecting device. The connecting device will first loosen the cable of the tensioning and releasing device before the driving mechanism completely sends out the charging gun;

[0013] The connecting device will make the tensioning and releasing device tighten the cable only after the driving mechanism completely retracts the charging gun.

[0014] Preferably, the moving direction of the power supply device is restricted by a limiting device. The limiting device includes slide rails arranged on the upper and lower sides of the power supply device, and a plurality of slide rods are fixedly arranged on the upper and lower sides of the power supply device.

[0015] Preferably, a support assembly is arranged in the left protective shell, and the support assembly can provide stable support for the pushing mechanism.

[0016] Preferably, rollers are rotatably arranged on each of the slide rods, and the rollers can move along the direction of the slide rail.

[0017] Preferably, the left protective shell and the right protective shell are fixed together by a rear baffle.

[0018] The present invention has the following beneficial effects:

[0019] 1. By setting the left and right protective shell structures in a fixed form, when in use, only by controlling the movement of the arc-shaped plate in the storage groove on the left and right protective shells, the internal power supply device can be exposed. At the same time, after the arc-shaped plate is opened, the power supply device can be moved to the opening side, which is convenient for quickly taking the charging gun on the power supply device, effectively saving the occupied space and improving the efficiency of rescue charging;

[0020] 2. By setting up a driving mechanism, after the power supply device is exposed, the driving mechanism can promptly push out the charging gun in the placement cavity, enabling the user to conveniently obtain the charging gun immediately without reaching into the placement cavity to pick it up, thus quickly charging the vehicle to be rescued. At the same time, it can also avoid damage to the charging gun or internal wiring caused by improper operations during direct picking (such as excessive bending or forceful pulling). The automatic pushing design has controllable pushing force and path, avoiding such human losses.

[0021] 3. By setting up a feeding and placing device and a connecting device, the cable on the wire reel can be released first before the charging gun 2 is fully sent out, enabling the wire reel to smoothly release the cable. After the charging gun is fully retracted, the cable on the wire reel is automatically fixed, preventing the coiled cable on the wire reel from becoming loose after use. Brief Description of the Drawings

[0022] Figure 1 It is a schematic structural diagram of an in-vehicle charging device for a new energy vehicle proposed by the present invention;

[0023] Figure 2 It is a schematic diagram of the connection of relevant structures inside the left protective shell in the present invention;

[0024] Figure 3 It is a schematic diagram of the structure in which the arc-shaped plate is separated from the left protective shell in the present invention;

[0025] Figure 4 It is a schematic side view of structures such as the power supply device, pushing mechanism, driving mechanism, and limiting device in the present invention;

[0026] Figure 5 It is a schematic front view of components such as the power supply device, pushing mechanism, limiting device, and charging gun in the present invention;

[0027] Figure 6 It is a schematic diagram of the structures of components such as the back of the power supply device, wire reel, tight and loose device, driving mechanism, and connecting device in the present invention.

[0028] Figure 7 It is a schematic diagram of the connection structure of components such as the charging gun, wire reel, gun rack, driving mechanism, connecting device, and tight and loose device in the present invention.

[0029] In the figure: 1 connecting seat, 2 left protective shell, 3 right protective shell, 4 fixing ring, 5 rear baffle, 6 arc plate, 7 placement cavity, 8 transmission groove, 9 wire clamp, 10 support rod, 11 fixed rack, 12 wire take-up wheel, 13 slide rail, 14 storage groove, 15 avoidance groove, 16 power supply device, 17 slide bar, 18 connecting plate, 19 direction-changing gear, 20 driving rack, 21 output rack, 22 transmission gear, 23 charging gun, 24 gun holder, 25 rotating shaft, 26 connecting plate, 27 connecting rod, 28 triangular plate, 29 screw rod, 30 push rod, 31 fixed sleeve, 32 inclined plate, 33 spring, 34 ejector rod. Detailed implementation manners

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0031] Embodiment 1:

[0032] Referring to Figures 1-4 , a vehicle-mounted charging device for a new energy vehicle, including a left protective shell 2, a right protective shell 3, and a power supply device 16 arranged inside the two. Storage grooves 14 are respectively opened on the opposite side walls of the left protective shell 2 and the right protective shell 3. An arc plate 6 is slidably arranged in the storage groove 14 on the left protective shell 2, and the left protective shell 2 and the right protective shell 3 are fixed together through a rear baffle 5;

[0033] The power supply device 16 can move horizontally in the left protective shell 2 and the right protective shell 3. The arc plate 6 is connected to the power supply device 16 through a pushing mechanism, and the moving direction of the arc plate 6 is always opposite to that of the power supply device;

[0034] Fixing rings 4 are arranged on both the left protective shell 2 and the right protective shell 3. A connecting seat 1 is fixedly arranged below the fixing ring 4, and the connecting seat 1 can be fixed on the vehicle body through bolts;

[0035] A storage battery is arranged inside the power supply device 16. A placement cavity 7 and a transmission groove 8 are respectively opened on the front and rear sides of the power supply device 16. A charging gun 23 is arranged in the placement cavity 7, and the charging gun 23 can transmit the electric energy inside the storage battery to the vehicle to be charged. A support assembly is arranged in the left protective shell 2, and the support assembly can provide stable support for the pushing mechanism. The moving direction of the power supply device 16 is restricted by a limiting device. The limiting device includes slide rails 13 arranged on the upper and lower sides of the power supply device 16. A plurality of slide bars 17 are fixedly arranged on the upper and lower sides of the power supply device 16, and rollers are rotatably arranged on each slide bar 17, and the rollers can walk along the direction of the slide rail 13.

[0036] Specifically, as Figure 4 shown, the pushing mechanism in this embodiment can be specifically arranged as follows:

[0037] The driving mechanism consists of a driving rack 20, a direction-changing gear 19, and an output rack 21, while the supporting assembly consists of two connecting plates 18 and a rotating shaft 25. Among them, the two connecting plates 18 are arranged on the upper and lower sides of the direction-changing gear 19, and the connecting plates 18 are fixed on the inner wall of the left protective shell 2. The two ends of the rotating shaft 25 are respectively rotatably connected to the upper and lower connecting plates 18, and the rotating shaft 25 is fixedly connected to the direction-changing gear 19. Both the driving rack 20 and the output rack 21 are meshed with the direction-changing gear 19, and the driving rack 20 and the output rack 21 are symmetrically arranged along the axis of the direction-changing gear 19. In this way, the moving directions of the driving rack 20 and the output rack 21 can be opposite. The motion conversion is achieved through the meshing of gears and racks, without the need for an additional electronic control system or sensors, and the structure is simple and reliable. In scenarios such as emergency rescue, the failure of functions caused by the failure of electronic components is avoided, and the system stability is improved.

[0038] Furthermore, the driving rack 20 is fixedly connected to the arc-shaped plate 6, and as Figure 3 shown, an avoidance groove 15 for facilitating the movement of the driving rack 20 is opened on the inner wall of the left protective shell 2, and the output rack 21 is fixedly arranged on the power supply device 16.

[0039] Even further, linear driving devices such as electric push rods and hydraulic cylinders can be arranged in the storage groove 14 to drive the arc-shaped plate 6 to move and perform opening and closing actions.

[0040] In this embodiment, the connecting seat 1 can be installed on the vehicle body through connecting bolts. When in use, the vehicle is driven to the vicinity of the vehicle to be rescued. Subsequently, driving devices such as hydraulic cylinders can be used to drive the arc-shaped plate 6 to move into the storage groove 14 on the left protective shell 2. At this time, the arc-shaped plate 6 can drive the driving rack 20 to move synchronously, thereby causing the direction-changing gear 19 to rotate. At this time, the output rack 21 can move in the opposite direction to the driving rack 20, and then the power supply device 16 can be pushed out to the right, facilitating the user to take and place the charging gun in the placement cavity 7.

[0041] Embodiment Two:

[0042] Compared with Embodiment One, in this embodiment, two gun racks 24 are arranged in the placement cavity 7. The gun racks 24 are used to hold the charging gun 23, and the gun racks 24 are driven by a driving mechanism to move forward and backward to send out or retract the charging gun 23 from the placement cavity 7.

[0043] Specifically, as Figure 6 and Figure 7As shown, the driving mechanism consists of a transmission gear 22, a plurality of support rods 10, a fixed rack 11, a screw rod 29, a connecting plate 26 and a push rod 30. One end of the push rod 30 is fixedly connected to the gun rack 24, and the other end of the push rod 30 is fixedly arranged on the connecting plate 26, and the connecting plate 26 is threadedly connected to the screw rod 29. The transmission gear 22 is fixedly connected to the end of the screw rod 29. Each support rod 10 is fixedly connected to the inner wall of the rear baffle 5, and one end of each support rod 10 away from the rear baffle 5 is fixed to the side wall of the fixed rack 11. The push rod 30 slidably penetrates the side wall of the power supply device 16, so as to limit the connecting plate 26 and make the connecting plate 26 can only perform linear motion along its own axis.

[0044] When the power supply device 16 moves and gradually exposes, the transmission gear 22 at its rear side will contact and mesh with the fixed rack 11. Thus, as the power supply device 16 continues to move, the transmission gear 22 will rotate, and then drive the screw rod 29 to rotate. Finally, the connecting plate 26 threadedly connected to the screw rod 29 will move towards the charging gun 23 side, and the charging gun 23 can be pushed out of the placement cavity 7, enabling the user to pick up the charging gun 23 more quickly.

[0045] When the charging is completed and the user places the charging gun 23 on the gun rack 24, as the power supply device 16 gradually moves back, the transmission gear 22 at the rear side of the power supply device 16 will move in the reverse direction along the fixed rack 11. Thus, the transmission gear 22 can be rotated in the reverse direction, and then the screw rod 29 can be reversed. Furthermore, the connecting plate 26, the push rod 30 and the gun rack 24 will move in the reverse direction, and the charging gun 23 on the gun rack 24 can be retracted into the placement cavity 7.

[0046] Furthermore, it should be noted that even if the transmission gear 22 disengages from the fixed rack 11, the screw rod 29 and the connecting plate 26 can maintain the positions of all components unchanged through the self-locking performance of the thread to achieve stability.

[0047] Embodiment 3:

[0048] A wire reel 12 is installed in the transmission groove 8. The wire reel 12 is used for winding and unwinding the cable of the charging gun 23, and a tight-loose device is provided on the wire reel 12. The tight-loose device can tighten or loosen the cable on the wire reel 12. The tight-loose device is connected to the driving mechanism through a connecting device. The connecting device will first loosen the cable of the tight-loose device before the driving mechanism completely sends out the charging gun 23; it should be noted that a driving device such as a servo motor can be installed in the transmission groove 8 to drive the wire reel 12 to rotate for winding and unwinding the cable.

[0049] The connecting device will make the tight-loose device tighten the cable only after the driving mechanism completely retracts the charging gun 23.

[0050] Specifically, as Figure 7As shown, the tight placement device includes two wire clamps 9, two fixed sleeves 31, two ejector rods 34, two springs 33, two inclined plates 32 and a triangular plate 28, and the connection device is a connecting rod 27. The two fixed sleeves 31 are fixedly arranged on the side wall of the wire take-up wheel 12. The two fixed sleeves 31 are arranged along the horizontal axis of the wire take-up wheel 12. The ejector rod 34 slides through the fixed sleeve 31. One end of the ejector rod 34 is fixedly connected to the wire clamp 9, and the other end of the ejector rod 34 is fixedly connected to the inclined plate 32. One end of the spring 33 is fixedly connected to the inclined plate 32, and the other end of the spring 33 is fixedly arranged on the fixed sleeve 31. The triangular plate 28 is slidably arranged between the two inclined plates 32, and the upper and lower hypotenuses of the triangular plate 28 are respectively attached to the two inclined plates 32.

[0051] In this embodiment, when the connection plate 26 performs the external pushing action of the second embodiment, refer to Figure 7 , the connection plate 26 will push the triangular plate 28 to move synchronously through the connecting rod 27. Then the triangular plate 28 can gradually expand the upper and lower inclined plates 32. Then the upper and lower inclined plates 32 will make the two wire clamps 9 move away from each other through the ejector rod 34, and the fixation of the cable on the wire take-up wheel 12 can be released. At this time, after the charging gun 23 is taken away, the wire take-up wheel 12 can be driven to rotate by a driving device such as a servo motor to gradually release the cable. It should be noted that the cable between the charging gun 23 and the wire take-up wheel 12 is not in a tightly stretched state but has a certain curvature. Therefore, when the connection plate 26 starts to drive the charging gun 23 outwards, it will not be pulled by the tightly stretched cable. Subsequently, the wire clamp 9 can release the fixation of the cable on the wire take-up wheel 12, which is convenient for the subsequent release of the cable on the wire take-up wheel 12.

[0052] After use, when the wire take-up wheel 12 has wound up the cable, when the connection plate 26 drives the push rod 30, the gun holder 24 and the charging gun 23 to move back, the connection plate 26 drives the connecting rod 27 and the triangular plate 28 to move towards the fixed rack 11. Then, as the triangular plate 28 gradually retracts, the spring 33 will drive the inclined plate 32, the ejector rod 34 and the wire clamp 9 to gradually move back. Then, as the two wire clamps 9 gradually move back and approach, the cable on the wire take-up wheel 12 can be clamped again to prevent the cable on the wire take-up wheel 12 from loosening after use.

[0053] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An in-vehicle charging device for a new energy vehicle, comprising a left protective shell (2), a right protective shell (3), and a power supply device (16) disposed inside the two, characterized in that, The opposite side walls of the left protective housing (2) and the right protective housing (3) are both provided with receiving grooves (14). An arc-shaped plate (6) is slidably arranged in the receiving groove (14) on the left protective housing (2). The power supply device (16) can move horizontally in the left protective housing (2) and the right protective housing (3). The arc-shaped plate (6) is connected to the power supply device (16) through a pushing mechanism, and the movement direction of the arc-shaped plate (6) is always opposite to that of the power supply device. Fixed rings (4) are provided on both the left protective housing (2) and the right protective housing (3). A connecting seat (1) is fixedly arranged on the lower side of the fixed ring (4), and the connecting seat (1) can be fixed to the vehicle body by bolts. A storage battery is arranged inside the power supply device (16). A placement cavity (7) and a transmission groove (8) are respectively arranged on the front and rear sides of the power supply device (16). A charging gun (23) is arranged in the placement cavity (7), and the charging gun (23) can transmit the electric energy inside the storage battery to the vehicle to be charged.

2. The on-vehicle charging device for a new energy vehicle according to claim 1, characterized in that, Two gun racks (24) are arranged in the placement cavity (7). The gun racks (24) are used to support the charging gun (23), and the gun racks (24) are driven by a driving mechanism to move back and forth to send out or retract the charging gun (23) from the placement cavity (7).

3. An in-vehicle charging device for a new energy vehicle according to claim 1, characterized in that, A wire reel (12) is installed in the transmission groove (8). The wire reel (12) is used to wind and unwind the cable of the charging gun (23), and a tensioning and releasing device is arranged on the wire reel (12), and the tensioning and releasing device can tighten or loosen the cable on the wire reel (12).

4. An in-vehicle charging device for a new energy vehicle according to claim 3, characterized in that, The tensioning and releasing device is connected to the driving mechanism through a connecting device. The connecting device will first loosen the cable of the tensioning and releasing device before the driving mechanism completely sends out the charging gun (23). The connecting device will make the tensioning and releasing device tighten the cable only after the driving mechanism completely retracts the charging gun (23).

5. An in-vehicle charging device for a new energy vehicle according to claim 1, characterized in that, The moving direction of the power supply device (16) is restricted by a limiting device. The limiting device includes slide rails (13) arranged on the upper and lower sides of the power supply device (16), and a plurality of slide rods (17) are fixedly arranged on the upper and lower sides of the power supply device (16).

6. An in-vehicle charging device for a new energy vehicle according to claim 1, characterized in that, A support assembly is arranged in the left protective housing (2), and the support assembly can provide stable support for the pushing mechanism.

7. An in-vehicle charging device for a new energy vehicle according to claim 5, characterized in that, Rollers are rotatably arranged on each of the slide rods (17), and the rollers can move along the direction of the slide rail (13).

8. An in-vehicle charging device for a new energy vehicle according to claim 1, characterized in that, The left protective housing (2) and the right protective housing (3) are fixed together by a rear baffle (5).

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