A geomagnetic induction intelligent start-stop charging pile
By designing a rising geomagnetic sensor, the problem of insufficient detection accuracy and durability of traditional charging piles in complex environments is solved, achieving efficient vehicle detection and reducing equipment maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHAANXI TIANTIAN OHM NEW ENERGY CO LTD
- Filing Date
- 2025-06-23
- Publication Date
- 2026-05-29
AI Technical Summary
Traditional geomagnetic induction charging piles struggle to balance detection sensitivity, environmental adaptability, and equipment durability in complex application scenarios, resulting in issues such as insufficient detection accuracy, baseline drift, and high equipment failure rates.
The design employs a liftable geomagnetic sensor, which is driven by a hydraulic rod to move the geomagnetic sensor on the mounting plate closer to or away from the vehicle. It only briefly rises to the ground when the vehicle is parked, reducing strong magnetic interference, extending the equipment's lifespan, and ensuring detection accuracy and stability through a limit mechanism.
It improves the detection accuracy of small electric vehicles and vehicles with fewer metal parts, reduces the false negative rate, reduces the impact of strong magnetic interference, extends the service life of the equipment, and reduces maintenance costs.
Smart Images
Figure CN224297022U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of charging pile technology, and in particular to a geomagnetic induction intelligent start-stop charging pile. Background Technology
[0002] Against the backdrop of the rapid development of the new energy vehicle industry, geomagnetic induction intelligent start-stop charging piles, with their automation and high efficiency, have become core equipment for realizing intelligent management of charging facilities. Traditional geomagnetic induction charging piles typically bury geomagnetic sensors at a fixed depth under the parking space. While this can achieve basic parking space occupancy detection, it has revealed many limitations in practical applications.
[0003] First, the number and distribution of metal parts vary significantly across different vehicle models. Small electric vehicles or new energy vehicles with lightweight designs generate weak magnetic field changes due to their smaller metal mass, leading to insufficient sensor detection accuracy and a high risk of missed detections. Second, parking lot floor materials are complex and diverse, including reinforced concrete and metal tiles, which are highly magnetically interfering. This exposes the geomagnetic sensor to a fluctuating background magnetic field environment, causing baseline drift and reducing detection reliability. Furthermore, traditionally fixed sensors are subject to constant vehicle pressure, leading to physical wear and tear such as casing damage and circuit damage, resulting in increased equipment failure rates and high maintenance costs. Existing technologies struggle to balance detection sensitivity, environmental adaptability, and equipment durability in complex application scenarios. Utility Model Content
[0004] This invention provides a geomagnetic induction intelligent start-stop charging pile to solve the problem that existing technologies cannot easily balance detection sensitivity, environmental adaptability and equipment durability in complex application scenarios.
[0005] To alleviate the above-mentioned technical problems, the technical solution provided by this utility model is as follows:
[0006] A geomagnetic induction intelligent start-stop charging pile includes a parking platform and a pile body installed on the parking platform. An installation cavity is formed within the parking platform. Two first hydraulic rods and two second hydraulic rods are hinged to the bottom wall of the installation cavity. The hinge points of the two first hydraulic rods and the bottom wall of the installation cavity are symmetrically arranged. An installation plate is fixedly connected to one end of each of the two first hydraulic rods away from the bottom wall of the installation cavity. The ends of the two second hydraulic rods away from the bottom wall of the installation cavity are slidably connected to the bottom wall of the installation plate. A geomagnetic sensor is connected to the upper surface of the installation plate. Synchronous extension and retraction of the first and second hydraulic rods allows the installation plate to move up and down to approach or move away from the vehicle on the parking platform.
[0007] Furthermore, the output ends of the first hydraulic rod and the second hydraulic rod are respectively hinged to a first mounting base and a second mounting base. The second mounting base is fixedly connected to the mounting plate, and a slide is fixedly connected to the lower surface of the mounting plate. The first mounting base is slidably connected to the slide.
[0008] Furthermore, a semi-cylinder is rotatably connected to the entry end of the parking platform, and four piston cylinders are fixedly connected inside the mounting cavity. Hydraulic oil pipes are connected between the four piston cylinders and the two first hydraulic rods and the two second hydraulic rods. When the semi-cylinder rotates, it can apply pressure to the piston cylinders so that the hydraulic oil in the piston cylinders is transmitted to the first hydraulic rods and the second hydraulic rods.
[0009] Furthermore, a connecting rod is hinged to the arc-shaped surface of the semi-cylinder, and a piston plate is hinged to the end of the connecting rod away from the semi-cylinder, and the piston plate is slidably connected inside the piston cylinder.
[0010] Furthermore, two baffles are symmetrically slidably connected on both sides of the semi-cylinder on the parking platform, and a first spring is fixedly connected to the side of the two baffles that are far apart from each other. The first spring is fixedly connected to the parking platform.
[0011] The two baffles are in contact with each other on one side, and both sides are in contact with the arc-shaped surface of the semi-cylinder.
[0012] Furthermore, a rotating shaft is connected to the semi-cylinder, and the rotating shaft is rotatably connected to the parking platform.
[0013] Furthermore, it also includes a limiting mechanism for fixing the position of the mounting plate.
[0014] Furthermore, the limiting mechanism includes pressure valves disposed on four hydraulic oil pipes. When the vehicle rolls over the plane of the semi-cylinder, the semi-cylinder can swing so that the hydraulic oil can overcome the resistance of the pressure valves and flow.
[0015] Furthermore, the limiting mechanism includes a telescopic rod fixedly connected to the mounting cavity. The top end of the telescopic rod is rounded, and two slots that mate with the top end of the telescopic rod are provided on the arc-shaped surface of the semi-cylinder. When a vehicle drives into or out of the parking platform and runs over the semi-cylinder, the semi-cylinder can swing so that the two edges of the semi-cylinder alternately align with the surface of the parking platform. When either edge is align with the surface of the parking platform, the top end of the telescopic rod engages in the slot near that edge.
[0016] Furthermore, a second spring is sleeved on the telescopic rod, and a limit ring is fixedly connected near the top of the telescopic rod. The two ends of the second spring abut against the bottom wall of the mounting cavity and the limit ring, respectively.
[0017] The beneficial effects of this utility model are analyzed as follows:
[0018] A geomagnetic induction intelligent start-stop charging pile includes a parking platform and a pile body installed on the parking platform. An installation cavity is provided inside the parking platform. Two first hydraulic rods and two second hydraulic rods are hinged to the bottom wall of the installation cavity. The hinge points of the two first hydraulic rods and the bottom wall of the installation cavity are symmetrically arranged. The ends of the two first hydraulic rods away from the bottom wall of the installation cavity are fixedly connected to an installation plate. The ends of the two second hydraulic rods away from the bottom wall of the installation cavity are slidably connected to the bottom wall of the installation plate. A geomagnetic sensor is connected to the upper surface of the installation plate. The synchronous extension and retraction of the first and second hydraulic rods can move the installation plate up and down to move closer to or away from the vehicle on the parking platform.
[0019] When a vehicle enters the parking platform, both first and second hydraulic rods extend, lifting the mounting plate within the mounting cavity. This allows the geomagnetic sensor on the mounting plate to approach the vehicle, improving detection accuracy. When the second hydraulic rods extend, their ends slide against the lower surface of the mounting plate, preventing jamming of the first and second hydraulic rods. After the vehicle enters the parking platform, its internal metal components cause changes in the geomagnetic environment. The geomagnetic sensor detects these changes and converts them into electrical signals, which are then sent to the signal receiving component within the pile. The central processing unit inside the pile determines whether a vehicle has entered based on the acquired signals and then controls the pile to start. Mounting the electromagnetic sensor on a mounting plate that rises after a vehicle enters the parking space shortens the distance to the vehicle and enhances the amplitude of magnetic field changes. This allows for accurate detection even of small electric vehicles or vehicles with few metal parts, reducing missed detections. If the ground is made of reinforced concrete, metal tiles, or other materials with strong magnetic interference, setting the geomagnetic sensor to rise only to near the ground when the vehicle is parked, while remaining in the chamber at other times, can reduce interference from long-term burial in a strong magnetic environment and extend the equipment's lifespan. In addition, the geomagnetic sensor is normally located at the bottom of the mounting chamber and only rises briefly when the vehicle is parked, which reduces the transmission of vehicle pressure, extends hardware lifespan, and lowers maintenance costs. Attached Figure Description
[0020] To more clearly illustrate the technical solutions in the specific embodiments or related technologies of this utility model, the drawings used in the description of the specific embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0022] Figure 2 This is a cross-sectional view of the present invention;
[0023] Figure 3 This is a schematic diagram of the pressure valve structure of this utility model;
[0024] Figure 4 This is a cross-sectional view of the piston cylinder of this utility model;
[0025] Figure 5 This is a schematic diagram of the structure of the slide of this utility model;
[0026] Figure 6 This is a schematic diagram of the telescopic rod of this utility model;
[0027] Figure 7 This is a schematic diagram of the card slot of this utility model.
[0028] icon:
[0029] 100. Parking platform; 110. Pile body; 200. Semi-cylinder; 210. Baffle; 220. First spring; 230. Rotating shaft; 300. Piston cylinder; 310. Piston plate; 320. Connecting rod; 330. Hydraulic oil pipe; 340. Pressure valve; 350. First hydraulic rod; 351. First mounting seat; 352. Slide seat; 360. Second hydraulic rod; 361. Second mounting seat; 400. Mounting plate; 500. Telescopic rod; 510. Limiting ring; 520. Second spring; 530. Slot. Detailed Implementation
[0030] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0031] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0033] Example 1, as Figures 1-7 As shown, a geomagnetic induction intelligent start-stop charging pile includes a parking platform 100 and a pile body 110 installed on the parking platform 100. An installation cavity is provided inside the parking platform 100. Two first hydraulic rods 350 and two second hydraulic rods 360 are hinged to the bottom wall of the installation cavity. The hinge points of the two first hydraulic rods 350 and the bottom wall of the installation cavity are symmetrically arranged. The ends of the two first hydraulic rods 350 away from the bottom wall of the installation cavity are fixedly connected to an installation plate 400. The ends of the two second hydraulic rods 360 away from the bottom wall of the installation cavity are slidably connected to the bottom wall of the installation plate 400. A geomagnetic sensor is connected to the upper surface of the installation plate 400. The synchronous extension and retraction of the first hydraulic rods 350 and the second hydraulic rods 360 can move the installation plate 400 up and down to move closer to or away from the vehicle on the parking platform 100.
[0034] The working mechanism of the geomagnetic induction intelligent start-stop charging pile provided in this embodiment is as follows:
[0035] When a vehicle enters the parking platform 100, both first hydraulic rods 350 and both second hydraulic rods 360 extend, lifting the mounting plate 400 within the mounting cavity. This allows the geomagnetic sensor on the mounting plate 400 to approach the vehicle on the parking platform 100, improving detection accuracy. When the second hydraulic rod 360 extends, its end slides on the lower surface of the mounting plate 400, preventing the extension and retraction of the first hydraulic rods 350 and 360 from getting stuck. After the vehicle enters the parking platform 100, its internal metal components cause changes in the geomagnetic environment. The geomagnetic sensor can detect these changes and convert them into electrical signals, which are then sent to the signal receiving component of the pile body 110. The central processing unit inside the pile body 110 determines whether a vehicle has entered based on the acquired signals and then controls the pile body 110 to start.
[0036] Mounting the electromagnetic sensor on the mounting plate 400, and having the mounting plate 400 rise after the vehicle enters the parking platform 100, can shorten the distance to the vehicle body and enhance the amplitude of magnetic field changes. Even small electric vehicles or vehicles with few metal parts can be accurately detected, reducing the problem of missed detection. If the ground is made of reinforced concrete, metal tiles, or other materials with strong magnetic interference, setting the geomagnetic sensor to rise to near the ground only when the vehicle is parked, and to remain in the cavity at other times, can reduce the interference problem caused by long-term burial in a strong magnetic environment and extend the life of the equipment. In addition, the geomagnetic sensor is normally located at the bottom of the mounting cavity and only rises briefly when the vehicle is parked, which can reduce the transmission of vehicle pressure, extend the service life of the hardware, and reduce maintenance costs.
[0037] Among the optional methods in this embodiment, the more preferred one is:
[0038] The output ends of the first hydraulic rod 350 and the second hydraulic rod 360 are respectively hinged to the first mounting base 351 and the second mounting base 361. The second mounting base 361 is fixedly connected to the mounting plate 400. The lower surface of the mounting plate 400 is fixedly connected to the slide 352. The first mounting base 351 is slidably connected to the slide 352.
[0039] When the first hydraulic rod 350 extends or retracts, the first mounting seat 351 slides on the slide 352. When the second hydraulic rod 360 extends or retracts, the relative position of the second mounting seat 361 and the mounting plate 400 remains unchanged. The first hydraulic rod 350 and the second hydraulic rod 360 extend or retract synchronously and at equal intervals, ensuring that the mounting plate 400 rises and falls smoothly and avoiding tilting or jamming caused by asynchronous hydraulic rods.
[0040] Among the optional methods in this embodiment, the more preferred one is:
[0041] A semi-cylinder 200 is rotatably connected to the entry end of the parking platform 100. Four piston cylinders 300 are fixedly connected inside the mounting cavity. Hydraulic oil pipes 330 are connected between the four piston cylinders 300 and the two first hydraulic rods 350 and the two second hydraulic rods 360. When the semi-cylinder 200 rotates, it can apply pressure to the piston cylinders 300 so that the hydraulic oil in the piston cylinders 300 is transmitted to the first hydraulic rods 350 and the second hydraulic rods 360.
[0042] The semi-cylinder 200 can rotate slightly relative to the parking platform 100. When the vehicle enters, the wheels move from one side above the semi-cylinder 200 to the other side. The vehicle's weight applies pressure to the semi-cylinder 200, causing it to swing. When the vehicle enters the parking platform 100 and the semi-cylinder 200 swings, it transmits pressure to the piston cylinder 300. This causes the hydraulic oil in the piston cylinder 300 to flow rapidly into the first hydraulic rod 350 and the second hydraulic rod 360 through the hydraulic oil pipe 330, driving them to extend and retract synchronously. This ensures that the mounting plate 400 rises smoothly, accurately detects the vehicle, and improves system stability and detection efficiency.
[0043] Among the optional methods in this embodiment, the more preferred one is:
[0044] A connecting rod 320 is hinged to the arc surface of the semi-cylinder 200. A piston plate 310 is hinged to the end of the connecting rod 320 away from the semi-cylinder 200. The piston plate 310 is slidably connected inside the piston cylinder 300.
[0045] A connecting rod 320 is hinged to the arc-shaped surface of the semi-cylinder 200 near the pile body 110. The other end of the connecting rod 320 is hinged to the piston plate 310. When the semi-cylinder 200 swings toward the pile body 110, the connecting rod 320 can push the piston plate 310 to slide inside the piston cylinder 300, so that the hydraulic oil flows through the hydraulic oil pipe 330 into the hydraulic rod.
[0046] Among the optional methods in this embodiment, the more preferred one is:
[0047] Two baffles 210 are symmetrically slidably connected on both sides of the semi-cylinder 200 on the parking platform 100. A first spring 220 is fixedly connected to the side of the two baffles 210 that is far apart from each other. The first spring 220 is fixedly connected to the parking platform 100. The side of the two baffles 210 that is close to each other is in contact with the arc surface of the semi-cylinder 200.
[0048] To prevent debris from falling into the mounting cavity, the two baffles 210 are tightly fitted to the semi-cylinder 200 under the action of the first spring 220, forming an effective protective barrier to ensure the cleanliness of the mounting cavity and prevent debris from interfering with the normal operation of the hydraulic system.
[0049] Among the optional methods in this embodiment, the more preferred one is:
[0050] A rotating shaft 230 is connected to the semi-cylinder 200, and the rotating shaft 230 is rotatably connected to the parking platform 100.
[0051] The pivot 230 and the semi-cylinder 200 are not coaxial, which ensures that the semi-cylinder 200 can swing when the vehicle rolls over its flat surface. This swing will prevent the curved surface of the semi-cylinder 200 from always being in contact with the parking platform 100, while the baffle 210 can fill the gap between the semi-cylinder 200 and the parking platform 100.
[0052] Among the optional methods in this embodiment, the more preferred one is:
[0053] It also includes a limiting mechanism for fixing the mounting plate at position 400.
[0054] The limiting mechanism ensures that the mounting plate 400 remains in the same position as the semi-cylinder 200 if it is not subjected to external force after the mounting plate 400 rises or falls, thus ensuring the detection effect of the electromagnetic sensor.
[0055] Among the optional methods in this embodiment, the more preferred one is:
[0056] The limiting mechanism includes pressure valves 340 installed on four hydraulic oil pipes 330. When the vehicle rolls over the plane of the semi-cylinder 200, the semi-cylinder 200 can swing so that the hydraulic oil can overcome the resistance of the pressure valves 340 and flow.
[0057] The pressure valve 340 is designed so that the hydraulic oil needs sufficient pressure to flow through the pressure valve 340, so that the mounting plate 400 will only lift or lower when the vehicle runs over the semi-cylinder 200 with sufficient pressure (i.e., when the vehicle enters or leaves the parking platform 100).
[0058] Example 2, as Figure 6 and Figure 7 Unlike Embodiment 1, the limiting mechanism includes a telescopic rod 500 fixedly connected to the mounting cavity. The top end of the telescopic rod 500 is rounded. Two slots 530 that mate with the top end of the telescopic rod 500 are provided on the arc-shaped surface of the semi-cylinder 200. When a vehicle drives into or out of the parking platform 100 and runs over the semi-cylinder 200, the semi-cylinder 200 can swing so that the two edges of the semi-cylinder 200 are alternately flush with the surface of the parking platform 100. When either edge is flush with the surface of the parking platform 100, the top end of the telescopic rod 500 is engaged in the slot 530 near that edge.
[0059] After the vehicle drives into the semi-cylinder 200 swings, the telescopic rod 500 can be inserted into one of the slots 530, so that the position of the semi-cylinder 200 is fixed, thereby stabilizing the position of the mounting plate 400.
[0060] The rounded corner design of the telescopic rod 500 reduces friction and ensures a smooth fit between the slot 530 and the telescopic rod 500.
[0061] Among the optional methods in this embodiment, the more preferred one is:
[0062] A second spring 520 is sleeved on the telescopic rod 500. A limit ring 510 is fixedly connected near the top of the telescopic rod 500. The two ends of the second spring 520 abut against the bottom wall of the mounting cavity and the limit ring 510, respectively.
[0063] The second spring 520 causes the telescopic rod 500 to tend to extend. When the semi-cylinder 200 swings, the rounded corner at the top of the telescopic rod 500 disengages from the slot 530. At this time, the second spring 520 is in a compressed state. After the semi-cylinder 200 swings, the other slot 530 is in the rounded corner position at the top of the telescopic rod 500. The second spring 520 releases its elastic force to push the telescopic rod 500 to extend, ensuring that the rounded corner of the telescopic rod 500 smoothly engages in the new slot 530, thereby accurately fixing the position of the semi-cylinder 200 and the mounting plate 400.
[0064] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.
Claims
1. A geomagnetic induction intelligent start-stop charging pile, comprising a parking platform (100) and a pile body (110) installed on the parking platform (100), characterized in that: The parking platform (100) has an installation cavity. The bottom wall of the installation cavity is hinged with two first hydraulic rods (350) and two second hydraulic rods (360). The hinge points of the two first hydraulic rods (350) and the bottom wall of the installation cavity are symmetrically arranged with the hinge points of the two second hydraulic rods (360) and the bottom wall of the installation cavity. The ends of the two first hydraulic rods (350) away from the bottom wall of the installation cavity are fixedly connected to an installation plate (400). The ends of the two second hydraulic rods (360) away from the bottom wall of the installation cavity are slidably connected to the bottom wall of the installation plate (400). A geomagnetic sensor is connected to the upper surface of the installation plate (400). The synchronous extension and retraction of the first hydraulic rods (350) and the second hydraulic rods (360) can make the installation plate (400) move up and down to move closer to or away from the vehicle on the parking platform (100).
2. The geomagnetic induction intelligent start-stop charging pile according to claim 1, characterized in that: The output ends of the first hydraulic rod (350) and the second hydraulic rod (360) are respectively hinged to a first mounting base (351) and a second mounting base (361). The second mounting base (361) is fixedly connected to the mounting plate (400). A slide (352) is fixedly connected to the lower surface of the mounting plate (400). The first mounting base (351) is slidably connected to the slide (352).
3. The geomagnetic induction intelligent start-stop charging pile according to claim 2, characterized in that: A semi-cylinder (200) is rotatably connected to the entry end of the parking platform (100). Four piston cylinders (300) are fixedly connected inside the mounting cavity. Hydraulic oil pipes (330) are connected between the four piston cylinders (300) and the two first hydraulic rods (350) and the two second hydraulic rods (360). When the semi-cylinder (200) rotates, it can apply pressure to the piston cylinders (300) so that the hydraulic oil in the piston cylinders (300) is transmitted to the first hydraulic rods (350) and the second hydraulic rods (360).
4. The geomagnetic induction intelligent start-stop charging pile according to claim 3, characterized in that: A connecting rod (320) is hinged to the arc surface of the semi-cylinder (200), and a piston plate (310) is hinged to the end of the connecting rod (320) away from the semi-cylinder (200). The piston plate (310) is slidably connected inside the piston cylinder (300).
5. The geomagnetic induction intelligent start-stop charging pile according to claim 4, characterized in that: On the parking platform (100), two baffles (210) are symmetrically slidably connected on both sides of the semi-cylinder (200). A first spring (220) is fixedly connected to the side of the two baffles (210) that is far away from each other. The first spring (220) is fixedly connected to the parking platform (100). The two baffles (210) are close to each other on the side that fits against the arc surface of the semi-cylinder (200).
6. The geomagnetic induction intelligent start-stop charging pile according to claim 5, characterized in that: A rotating shaft (230) is connected to the semi-cylinder (200), and the rotating shaft (230) is rotatably connected to the parking platform (100).
7. The geomagnetic induction intelligent start-stop charging pile according to claim 3, characterized in that: It also includes a limiting mechanism for fixing the position of the mounting plate (400).
8. The geomagnetic induction intelligent start-stop charging pile according to claim 7, characterized in that: The limiting mechanism includes pressure valves (340) disposed on four hydraulic oil pipes (330). When the vehicle rolls over the plane of the semi-cylinder (200), the semi-cylinder (200) can swing so that the hydraulic oil can flow over the resistance of the pressure valves (340).
9. The geomagnetic induction intelligent start-stop charging pile according to claim 7, characterized in that: The limiting mechanism includes a telescopic rod (500) fixedly connected to the mounting cavity. The top end of the telescopic rod (500) is rounded. The arc surface of the semi-cylinder (200) is provided with two slots (530) that cooperate with the top end of the telescopic rod (500). When a vehicle drives into or out of the parking platform (100) and runs over the semi-cylinder (200), the semi-cylinder (200) can swing so that the two edges of the semi-cylinder (200) are alternately flush with the platform surface of the parking platform (100). When either edge is flush with the platform surface of the parking platform (100), the top end of the telescopic rod (500) is engaged in the slot (530) near that edge.
10. The geomagnetic induction intelligent start-stop charging pile according to claim 9, characterized in that: A second spring (520) is sleeved on the telescopic rod (500), and a limiting ring (510) is fixedly connected near the top of the telescopic rod (500). The two ends of the second spring (520) abut against the bottom wall of the mounting cavity and the limiting ring (510), respectively.