Floating flexible force docking charging pile

Abstract

The utility model discloses a kind of floating type soft force butt joint charging piles, the charging pile aims at solving the bottleneck of current charging pile technology in accurate positioning, cost, compatibility and environmental adaptability, difficult to meet the problem of use requirement. The charging pile includes rear box, the front of the rear box is fixedly connected with charging pile support frame, the front of the charging pile support frame is fixedly connected with fixed plate, the upper and lower sides of the front of the fixed plate are provided with two L-shaped mounting plates by horizontal floating component, two the L-shaped mounting plate is provided with floating plate by longitudinal floating component between, the front of the floating plate is equipped with emission module. The utility model realizes flexible butt joint by force control position mode, without pre-accurate calibration position, suitable for AGV side stop side charging and other dynamic scenarios, can effectively absorb the tiny vibration and deviation when vehicle moves, avoid rigid collision damage interface, better meet use requirement.

Description

Technical Field

[0001] This utility model belongs to the field of charging pile technology, specifically relating to a floating flexible docking charging pile. Background Technology

[0002] To address the charging needs of AGVs and mobile vehicles, mainstream charging pile technologies can be categorized as follows: 1. Static charging piles (contact type) transmit power through a physical connection between a fixed charging gun and the equipment interface. They are divided into AC slow charging and DC fast charging, compatible with AGVs and mobile vehicles using standardized interfaces. Their advantages lie in mature technology, low cost, and DC fast charging efficiency exceeding 95%. However, this technology relies on manual operation or precise AGV positioning. Frequent high-frequency plugging and unplugging can easily lead to wear and tear on the charging contacts. Furthermore, its applicability is limited in harsh environments such as dust and water accumulation. The AGV must stop precisely; otherwise, docking may fail.

[0003] 2. The robotic arm-guided charging station integrates AI visual recognition and a flexible robotic arm. It calculates the charging port location in real time using algorithms, achieving fully automated docking (taking 40-60 seconds) and supporting megawatt-level supercharging (1200A current per gun). However, this technology has a high initial investment (approximately 500,000-1,000,000 RMB per system), requires regular maintenance of the robotic arm joints and calibration of the visual algorithm, and necessitates reserving 2-3 square meters of installation space, resulting in a relatively large installation area.

[0004] 3. Wireless charging systems (non-contact) utilize electromagnetic induction or magnetic resonance technology to transmit electrical energy. Charging coils are laid on the ground, and the on-board receiver automatically couples, supporting AGVs to charge while moving. However, the charging efficiency is slightly lower (approximately 85%-95%), and the equipment cost is 30%-50% higher than contact charging. Dynamic charging requires maintaining a horizontal deviation of ±5cm and relies on high-precision navigation. The above-mentioned charging pile technologies have limitations in terms of precise positioning, cost, compatibility, and environmental adaptability, making it difficult to meet the needs of use. Therefore, a flexible energy replenishment device that can be stopped and charged immediately is proposed. It does not require precise equipment docking. Through active height compensation and passive horizontal floating, it can still complete dynamic docking at high speed when the AGV is tilted or has horizontal deviation, thereby improving the availability of the equipment. Utility Model Content

[0005] (1) Technical problems to be solved To address the shortcomings of existing technologies, the purpose of this utility model is to provide a floating flexible docking charging pile. This charging pile aims to overcome the bottlenecks in accurate positioning, cost, compatibility, and environmental adaptability of existing charging pile technologies, which make it difficult to meet user needs.

[0006] (2) Technical solution To address the aforementioned technical problems, this utility model provides a floating flexible docking charging pile. The charging pile includes a rear box, a charging pile support frame fixedly connected to the front of the rear box, a fixed plate fixedly connected to the front of the charging pile support frame, two L-shaped mounting plates arranged on the upper and lower sides of the front of the fixed plate via a horizontal floating component, a floating plate arranged between the two L-shaped mounting plates via a vertical floating component, a transmitting module mounted on the front of the floating plate, a guide plate fixedly connected to the front of the transmitting module, and guide blocks fixedly connected to the left and right sides of the front of the guide plate.

[0007] Preferably, the rear enclosure is internally fixed to a backplate by screws, and a circuit breaker and a circuit board are mounted on the backplate. The transmitting module is electrically connected to the circuit board.

[0008] Furthermore, the lateral floating assembly includes two lateral guide rails fixedly connected to the front of the fixed plate, a first slider fixedly connected to the back of the L-shaped mounting plate, the first slider being slidably connected to the lateral guide rails, and a first spring installed between the left and right sides of the L-shaped mounting plate and the fixed plate.

[0009] Furthermore, the longitudinal floating assembly includes a longitudinal guide rail fixedly connected to one side of two L-shaped mounting plates, and a second slider fixedly connected to both the upper and lower sides of the floating plate. The second slider is slidably connected to the longitudinal guide rail, and a second spring is installed between the front side of the L-shaped mounting plate and the floating plate.

[0010] Furthermore, the four corners of the launching module are provided with first through holes, and the four corners of the guide plate are provided with second through holes. Bolts are installed inside the second through holes, and the bolts pass through the second through holes and the first through holes and are threadedly connected to the floating plate.

[0011] Furthermore, the guide plate has a charging area in the middle that corresponds to the transmitting coil of the transmitting module, and the two guide blocks on the left and right sides that are close to each other have inclined surfaces.

[0012] Furthermore, a door panel is mounted on the back of the rear compartment via a hinge, and a door lock is installed on the door panel.

[0013] (3) Beneficial effects Compared with the prior art, the beneficial effects of this utility model are as follows: This invention utilizes a spring on a floating plate. When the device approaches at low speed, the charging interface automatically compresses the elastic element under contact pressure, achieving flexible docking through force-controlled positioning. No pre-precise position calibration is required; the interface can adaptively adjust its height and angle along the guide rail solely based on contact force feedback. This is suitable for dynamic scenarios such as AGVs charging while stopped, effectively absorbing minor vibrations and offsets during vehicle movement, preventing rigid collisions from damaging the interface, and ensuring reliable docking within certain height and angle deviations.

[0014] This invention, by employing a dual mechanism of active height adjustment and passive tolerance, completely breaks away from the reliance on millimeter-level positioning in traditional static charging piles, significantly improving charging efficiency in scenarios such as warehousing and logistics, and manufacturing production lines. In terms of cost and performance balance, the floating charging pile adopts a lightweight mechanical structure of "guide rail + slider + elastic element," resulting in a lower cost per pile—less than 1 / 10 of that of a robotic arm solution—and avoiding the high maintenance costs of complex vision algorithms and multi-axis control. Its universal design covers a charging port height range of 200-800mm, compatible with over 95% of AGVs and mobile vehicle types, such as stealthy, inspection AGVs, and electric forklifts. It can be quickly deployed without customized modifications, significantly reducing the equipment adaptation cycle for multi-mixed operation scenarios. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0016] Figure 2 This is a schematic diagram of the rear view structure of this utility model.

[0017] Figure 3 This is a schematic diagram of the internal structure of the rear compartment of this utility model.

[0018] Figure 4 This is a rear view structural diagram of the floating plate of this utility model.

[0019] Figure 5 This is a structural schematic diagram of the charging pile support frame of this utility model.

[0020] Figure 6 This is a schematic diagram of the installation structure of the floating plate of this utility model.

[0021] The labels in the attached diagram are as follows: 1. Rear housing; 2. Charging pile support frame; 3. Fixing plate; 4. Lateral floating assembly; 5. L-shaped mounting plate; 6. Longitudinal floating assembly; 7. Floating plate; 8. Transmitting module; 9. Guide plate; 10. Guide block; 11. Bolt; 101. Screw; 102. Back plate; 103. Circuit breaker; 104. Circuit board; 105. Door panel; 106. Door lock; 401. Lateral guide rail; 402. First slider; 403. First spring; 601. Longitudinal guide rail; 602. Second slider; 603. Second spring; 801. First through hole; 901. Second through hole; 902. Charging area; 1001. Inclined surface. Detailed Implementation

[0022] This specific embodiment is a floating flexible docking charging pile, and its structural schematic diagram is as follows: Figures 1-6 As shown, the charging pile includes a rear box 1. A charging pile support frame 2 is fixedly connected to the front of the rear box 1. The charging pile support frame 2 is an L-shaped frame structure used to support the charging pile. A fixed plate 3 is fixedly connected to the front of the charging pile support frame 2. Two L-shaped mounting plates 5 are set on the upper and lower sides of the front of the fixed plate 3 through a horizontal floating component 4. A floating plate 7 is set between the two L-shaped mounting plates 5 through a vertical floating component 6. A transmitting module 8 is installed on the front of the floating plate 7. The transmitting module 8 serves as the transmitting end and contains a transmitting coil. When the transmitting coil is successfully matched with the receiving coil in the robot, power is supplied. A guide plate 9 is fixedly connected to the front of the transmitting module 8. Guide blocks 10 are fixedly connected to the left and right sides of the front of the guide plate 9. When there is a positional error after the robot and the charging pile are aligned, the floating plate 7 is moved by the guide blocks 10 until it is successfully aligned with the transmitting coil for charging.

[0023] like Figure 2 and Figure 3 As shown: In this embodiment, a back plate 102 is fixedly connected to the interior of the rear box 1 by screws 101. A circuit breaker 103 and a circuit board 104 are installed on the back plate 102. The transmitting module 8 is electrically connected to the circuit board 104.

[0024] like Figure 1 , Figure 4 and Figure 5 As shown: In this embodiment, the lateral floating component 4 includes two lateral guide rails 401 fixedly connected to the front of the fixed plate 3. A first slider 402 is fixedly connected to the back of the L-shaped mounting plate 5. The first slider 402 is slidably connected to the lateral guide rails 401. A first spring 403 is installed between the left and right sides of the L-shaped mounting plate 5 and the fixed plate 3. The first slider 402 and the lateral guide rails 401 together constitute a moving module, which can move left and right during the docking and charging process, so that the robot can be successfully matched with the launching module 8.

[0025] like Figure 1 and Figure 4 As shown: In this embodiment, the longitudinal floating component 6 includes a longitudinal guide rail 601 fixedly connected to one side of the two L-shaped mounting plates 5 that are close to each other. The upper and lower sides of the floating plate 7 are fixedly connected with second sliders 602. The second sliders 602 are slidably connected to the longitudinal guide rails 601. A second spring 603 is installed between the front side of the L-shaped mounting plate 5 and the floating plate 7. The second sliders 602 and the longitudinal guide rails 601 together constitute a moving module, which can move back and forth during the docking and charging process to prevent the robot from violently colliding with the launching module 8.

[0026] like Figure 1 and Figure 6 As shown: In this embodiment, the four corners of the launching module 8 are provided with first through holes 801, and the four corners of the guide plate 9 are provided with second through holes 901. Bolts 11 are installed inside the second through holes 901. The bolts 11 pass through the second through holes 901 and the first through holes 801 and are threadedly connected to the floating plate 7. This allows the core launching module 8 and guide plate 9 to be replaced independently, is compatible with most AGVs, significantly reduces maintenance costs compared to the robotic arm solution, and has a better performance.

[0027] like Figure 6 As shown: In this embodiment, the middle part of the guide plate 9 is provided with a charging area 902 corresponding to the transmitting coil of the transmitting module 8, and the two guide blocks 10 are provided with inclined surfaces 1001 on the side that are close to each other. Since the guide block 10 is provided with inclined surfaces 1001, when the AGV has an alignment error, it will squeeze the inclined surfaces 1001 on the guide block 10. At this time, it will push the guide block 10, guide plate 9, transmitting module 8 and floating plate 7 to move along the transverse guide rail 401 and deform the first spring 403, thereby allowing the AGV inspection robot to generate position and angle errors during the inspection process.

[0028] like Figure 1 and Figure 2 As shown: In this embodiment, a door panel 105 is mounted on the back of the rear compartment 1 via a hinge, and a door lock 106 is mounted on the door panel 105; the door panel 105 and the door lock 106 better protect the parts inside the rear compartment 1.

[0029] Working principle: The transmitter module 8 is mounted on the floating plate 7. The circuit breaker 103 and circuit board 104 are installed in the rear box 1 and electrically connected to the transmitter module 8. The AGV has a receiver module corresponding to the transmitter module 8 installed inside. When the AGV moves to the guide plate 9, it will squeeze the guide block 10. At this time, the guide block 10, guide plate 9, transmitter module 8 and floating plate 7 are pushed along the longitudinal guide rail 601 and the second spring 603 is deformed to avoid large impacts. Since the guide block 10 is provided with a slope 1001, when the AGV has a positioning error, it will squeeze the slope 1001 on the guide block 10. At this time, the guide block 10, guide plate 9, transmitter module 8 and floating plate 7 are pushed along the longitudinal guide rail 601 and deformed to avoid large impacts. The horizontal guide rail 401 moves and deforms the first spring 403, allowing the AGV inspection robot to adjust the position and angle errors generated during the inspection process through adaptive movement of the slider, ensuring docking efficiency and accuracy during charging. After the AGV moves away, the second spring 603 and the first spring 403 reset the floating plate 7, waiting for the next docking and charging. At the same time, since the four corners of the launching module 8 have first through holes 801 and the four corners of the guide plate 9 have second through holes 901, and they are fixed to the floating plate 7 by bolts 11, the core launching module 8 and guide plate 9 can be replaced independently, which is compatible with most AGVs. The maintenance cost is significantly reduced compared to the robotic arm solution, and the range of applications is wider.

[0030] All technical features in this embodiment can be freely combined according to actual needs.

[0031] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.

Claims

1. A floating flexible docking charging pile, the charging pile including a rear box (1), characterized in that: The front of the rear box (1) is fixedly connected to a charging pile support frame (2), and the front of the charging pile support frame (2) is fixedly connected to a fixing plate (3). The upper and lower sides of the front of the fixing plate (3) are provided with two L-shaped mounting plates (5) through a horizontal floating component (4). A floating plate (7) is provided between the two L-shaped mounting plates (5) through a vertical floating component (6). A transmitter module (8) is installed on the front of the floating plate (7). A guide plate (9) is fixedly connected to the front of the transmitter module (8). Guide blocks (10) are fixedly connected to the left and right sides of the front of the guide plate (9).

2. The floating flexible docking charging pile according to claim 1, characterized in that, The rear enclosure (1) is fixedly connected to a back plate (102) by screws (101). A circuit breaker (103) and a circuit board (104) are installed on the back plate (102). The transmitting module (8) is electrically connected to the circuit board (104).

3. The floating flexible docking charging pile according to claim 2, characterized in that, The horizontal floating component (4) includes two horizontal guide rails (401) fixedly connected to the front of the fixed plate (3). The back of the L-shaped mounting plate (5) is fixedly connected to a first slider (402). The first slider (402) is slidably connected to the horizontal guide rails (401). A first spring (403) is installed between the left and right sides of the L-shaped mounting plate (5) and the fixed plate (3).

4. The floating flexible docking charging pile according to claim 3, characterized in that, The longitudinal floating assembly (6) includes a longitudinal guide rail (601) fixedly connected to one side of two L-shaped mounting plates (5) close to each other. The upper and lower sides of the floating plate (7) are fixedly connected with second sliders (602). The second sliders (602) are slidably connected to the longitudinal guide rails (601). A second spring (603) is installed between the front side of the L-shaped mounting plate (5) and the floating plate (7).

5. The floating flexible docking charging pile according to claim 4, characterized in that, The four corners of the launch module (8) are provided with first through holes (801), and the four corners of the guide plate (9) are provided with second through holes (901). A bolt (11) is installed inside the second through hole (901). The bolt (11) passes through the second through hole (901) and the first through hole (801) and is threadedly connected to the floating plate (7).

6. The floating flexible docking charging pile according to claim 5, characterized in that, The guide plate (9) has a charging area (902) in the middle that corresponds to the transmitting coil of the transmitting module (8), and the two guide blocks (10) on the left and right sides that are close to each other have inclined surfaces (1001).

7. The floating flexible docking charging pile according to claim 6, characterized in that, The rear compartment (1) has a door panel (105) mounted on its back via a hinge, and a door lock (106) is mounted on the door panel (105).

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