Intelligent charging pile

Abstract

The application discloses a kind of intelligent charging piles, including pile body, take-up box, overhead rail, rail car, charging gun, cable and controller;The cable passes through one end of the rail car and is connected with the charging gun;The take-up box is equipped with the winch that the cable is wound, and the winch is equipped with first motor, the take-up box is equipped with rotary connector, the cable is connected with the rotary connector by penetrating the winch, and the pile body and the rotary connector are respectively connected with wire harness;The rail car includes driving mechanism, conveying mechanism and position monitoring mechanism, the conveying mechanism is used to take and release the cable, and the position monitoring mechanism is used to monitor the traction direction of the cable.The application can automatically adjust the cable output length following the traction direction of charging gun, and after use, the cable can be automatically retracted, solve the problem of cable skin damage caused by cable placement disorder and dragging process.

Description

Technical Field

[0001] This invention relates to the field of charging pile technology, specifically to an intelligent charging pile. Background Technology

[0002] With the increasing popularity of new energy vehicles, charging stations, as an important supporting facility for new energy vehicles, are also under rapid construction to meet the growing demand for new energy vehicles.

[0003] Existing charging stations typically consist of a main power module, charging connectors, cables, a control motherboard, a metering and billing module, a human-machine interface, a safety protection system, a power supply and distribution module, a heat dissipation system, and a casing and structural components. Furthermore, existing charging stations support both DC and AC charging modes and are equipped with corresponding DC and AC charging guns.

[0004] In the prior art, Chinese patent with publication number CN112429599B discloses an AC charging pile with a winding structure. It discloses that the charging cable is wound in half by a winding mechanism, which replaces the traditional winding method and can avoid the charging cable from wrinkling, aging, and loosening of internal connections during long-term winding.

[0005] The desired technical effect of combining the above-mentioned existing technologies is to store the cable and prevent it from being damaged. However, the storage of the cable still requires manual rotation of the cable reel, which is inconvenient in actual use.

[0006] For example, in the prior art, Chinese patent with publication number CN216069675U discloses an automatic retractable smart charging pile. It discloses that the first and second switches can be automatically started and stopped during use, and the motor can drive the retractor to automatically retract the power cord. The retracting efficiency is high, and the cleaning sponge on the surface of the retractor can clean the power cord during retraction, preventing dirt from adhering to the power cord and extending the life of the power cord. The effect is better than the traditional method.

[0007] In combination with the above-mentioned existing technologies, although the method of automatic cable winding driven by motor is adopted, during the winding process, some cable will rub against the ground, and even the charging gun will rub against the ground. Over time, the insulation layer on the cable surface and the outer shell of the charging gun will suffer varying degrees of wear, affecting the electrical performance of the cable and the charging gun.

[0008] In summary, existing charging piles have not fully considered the placement and storage of cables, resulting in damage to the insulation layer of the cables after repeated dragging over a long period, leading to safety accidents such as leakage. Secondly, the dragging process of the cables mainly relies on manual guidance, making the cable's direction and scattering uncontrollable and susceptible to being run over by vehicle wheels, thus reducing the reliability and flexibility of the charging pile cables in actual application. Summary of the Invention

[0009] The purpose of this invention is to provide an intelligent charging station to solve the problems mentioned in the background art.

[0010] To achieve the above objectives, the present invention provides the following technical solution: an intelligent charging pile, comprising a pile body, multiple cable take-up boxes, multiple hanging rails, multiple railcars, multiple charging guns, multiple cables, and multiple controllers;

[0011] The cables are located inside the take-up box, the hanging rail, and the railcar, respectively, and one end of the cable passes through the railcar and is connected to the charging gun.

[0012] The hanging rail is provided with a cable tray that communicates with the cable take-up box. The cable take-up box is provided with a winch for winding the cable, and the winch is provided with a first motor that drives it to rotate. The cable take-up box is provided with a rotary connector that is coaxially distributed with the winch. The cable passes through the winch and is connected to the rotary connector. A wire harness is connected between the pile body and the rotary connector.

[0013] The railcar includes a drive mechanism, a conveying mechanism, and a position monitoring mechanism. The drive mechanism drives the railcar to move along the suspended rail. The conveying mechanism is used to retract and extend the cable. The position monitoring mechanism is used to monitor the traction direction of the cable.

[0014] The controller is electrically connected to the control terminal of the pile, the first motor, the drive mechanism, the conveying mechanism, and the position monitoring mechanism, respectively.

[0015] A guide wheel is provided at the connection between the cable tray and the cable take-up box.

[0016] Preferably, the hanging rail includes a slide rail and a rack, the slide rail is connected to the cable tray, and the rack is distributed below the slide rail.

[0017] Preferably, the driving mechanism includes a pulley, a second motor, a rotating roller, and a gear. The rotating roller is disposed inside the slide rail, the pulley is sleeved outside the rotating roller, and the pulley can rotate flexibly relative to the rotating roller. The cable is disposed outside the pulley.

[0018] The gears are respectively located at both ends of the rotating roller, and the gears mesh with the rack respectively;

[0019] The power output end of the second motor is connected to the rotating roller.

[0020] Preferably, the railcar further includes a plurality of limiting wheels, which are symmetrically distributed on the inner wall of the railcar and can rotate along the surface of the suspension rail.

[0021] Preferably, the conveying mechanism is located below the driving mechanism;

[0022] The conveying mechanism includes a drive wheel, a driven wheel, a third motor, and a rotary encoder. The power output end of the third motor is connected to the drive wheel, and the driven wheel is connected to the rotary encoder.

[0023] The driving wheel and the driven wheel are respectively in contact with the surface of the cable.

[0024] Preferably, the position monitoring mechanism is located below the conveying mechanism;

[0025] The position monitoring mechanism includes a first distance sensor and a second distance sensor. The first distance sensor is located on the forward direction side of the track vehicle, and the second distance sensor is located on the reverse direction side of the track vehicle. The cable is located between the first distance sensor and the second distance sensor.

[0026] Preferably, the position monitoring mechanism further includes two limiting rollers, which are located on both sides of the first distance sensor and the second distance sensor, respectively;

[0027] The cable is located between the two limiting rollers, and the width between the two limiting rollers is the same as the diameter of the cable.

[0028] Compared with the prior art, the beneficial effects of the present invention are:

[0029] 1. By setting up a storage box and a hanging rail, this invention achieves the goal of laying the cable in the air, eliminating the problem of friction with the ground. This ensures that the cable does not come into direct contact with the ground during the use of the charging gun, completely solving the problem of friction between the cable and the ground during cable dragging, and ensuring the safety and reliability of the cable.

[0030] 2. By setting up a track car, the present invention achieves the effect of flexibly adjusting the position of the charging gun. The track car can move along the hanging rail and the cable can be wound up and unwound through the internal conveying mechanism of the track car, thereby achieving the effect of adjusting the height of the charging gun and making it easy to adjust the charging gun to a suitable position for use.

[0031] 3. By setting up a position monitoring mechanism, this invention achieves the effect of monitoring the tilt direction of the cable. By detecting the tilt direction of the cable, the traction direction of the cable can be determined, thereby providing direction for the movement of the railcar and facilitating the adjustment of the cable release position by the railcar. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the overall appearance and structure of the present invention;

[0033] Figure 2 This is a schematic diagram of the overall appearance structure of the take-up box of the present invention;

[0034] Figure 3 This is an exploded view of the internal components of the take-up box of the present invention;

[0035] Figure 4 This is a schematic diagram of the overall appearance structure of the hanging rail of the present invention;

[0036] Figure 5 This is a schematic diagram of the external structure of the railcar and the overhead rail of the present invention;

[0037] Figure 6 This is a top view of the track vehicle structure of the present invention;

[0038] Figure 7 This is a top view of the conveying mechanism of the present invention;

[0039] Figure 8 This is a bottom-view structural diagram of the position monitoring mechanism of the present invention.

[0040] In the picture:

[0041] 100. Pile body; 110. Wiring harness;

[0042] 200. Take-up box; 210. Rotary connector; 220. Winch; 230. First motor;

[0043] 300. Hanging rail; 301. Cable tray; 302. Slide rail; 303. Rack; 304. Guide wheel;

[0044] 400. Railcar; 401. Limiting wheel;

[0045] 410. Drive mechanism; 411. Pulley; 412. Second motor; 413. Rotary roller; 414. Gear;

[0046] 420. Conveying mechanism; 421. Drive wheel; 422. Driven wheel; 423. Third motor; 424. Rotary encoder;

[0047] 430. Position monitoring mechanism; 431. First distance sensor; 432. Second distance sensor; 433. Limiting roller;

[0048] 500, charging gun;

[0049] 600. Cable;

[0050] 700, Controller. Detailed Implementation

[0051] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0052] Please see Figures 1 to 8 One embodiment provided by the present invention:

[0053] Please see Figure 1 A smart charging pile includes a pile body 100, multiple cable reel boxes 200, multiple hanging rails 300, multiple railcars 400, multiple charging guns 500, multiple cables 600, and multiple controllers 700.

[0054] Specifically, multiple controllers 700 are electrically connected to the control main board inside the pile body 100 to monitor the working status and corresponding data of multiple controllers 700. The function of the controllers 700 is to control the status of the take-up box 200 and the railcar 400 within their respective ranges, thereby reducing the computational burden on the control main board in the pile body 100 and reducing the risk of chaotic action logic.

[0055] It is worth noting that multiple overhead rails 300 are respectively installed between two adjacent parking spaces, and the cables 600 installed in the multiple overhead rails 300 can be electrically connected to the same pile body 100.

[0056] The hanging rail 300 is installed on the top surface of the rain shelter above the new energy vehicle charging space, and the charging gun 500 hangs down naturally between the new energy vehicle spaces, which can meet the charging needs of two adjacent spaces.

[0057] Please see Figure 3 and Figure 6 Cables 600 are located inside the take-up box 200, the hanging rail 300, and the railcar 400, respectively. One end of the cable 600 passes through the railcar 400 and is connected to the charging gun 500.

[0058] Please see Figure 4The hanging rail 300 is equipped with a cable tray 301 that communicates with the take-up box 200. A guide wheel 304 is provided at the connection between the cable tray 301 and the take-up box 200. The guide wheel 304 is used to guide the cable 600 entering the cable tray 301 from inside the take-up box 200, so as to avoid friction between the outer wall of the cable 600 and the take-up box 200, which would cause damage to the insulation layer of the cable 600.

[0059] Please see Figure 2 and Figure 3 The take-up box 200 is equipped with a winch 220 for winding the cable 600, and the winch 220 is equipped with a first motor 230 for driving its rotation. The take-up box 200 is equipped with a rotary connector 210 that is coaxially distributed with the winch 220. The cable 600 passes through the winch 220 and connects to the rotary connector 210. The pile body 100 and the rotary connector 210 are respectively connected with wire harnesses 110.

[0060] It is worth noting that the first motor 230 is electrically connected to the controller 700, which can be used to control the working state of the first motor 230, including its speed, number of rotations, and direction of rotation.

[0061] The plug and socket of the rotary connector 210 can rotate about a common axis and ensure circuit connection. This is a mature existing technology and will not be described in detail here.

[0062] Specifically, the pile body 100 is connected to the rotary connector 210 via the wire harness 110, and the output end of the rotary connector 210 is connected to the cable 600. The rotary connector 210 satisfies the relative rotation between the wire harness 110 and the cable 600, and satisfies the effect of rotating and storing the cable 600 via the winch 220.

[0063] When the first motor 230 drives the winch 220 to rotate, the cable 600 can be wound around the outside of the winch 220 to realize the function of storing the cable 600; secondly, when the first motor 230 reverses, the cable 600 can be released from the outside of the winch 220, and the cable 600 can enter the cable tray 301 through the take-up box 200 to meet the need for the cable 600 to extend out of the railcar 400 and the charging gun 500 to connect with the charging port of the new energy vehicle.

[0064] Specifically, when the railcar 400 moves, changing the hanging position of the cable 600, or when the conveying mechanism 420 releases the cable 600, changing the height of the charging gun 500, the first motor 230 needs to reverse to release the cable 600 wound on the winch 220, thereby meeting the release requirements of the cable 600.

[0065] Please see Figures 5 to 8The railcar 400 includes a drive mechanism 410, a conveying mechanism 420, and a position monitoring mechanism 430. The drive mechanism 410 drives the railcar 400 to move along the suspended rail 300. The conveying mechanism 420 is used to take in and release the cable 600. The position monitoring mechanism 430 is used to monitor the traction direction of the cable 600.

[0066] For details, please refer to Figure 4 The hanging rail 300 includes a slide rail 302 and a rack 303. The slide rail 302 is connected to the cable tray 301, and the rack 303 is distributed below the slide rail 302.

[0067] The slide rail 302 is used to provide a moving space for the railcar 400 to connect with the cable tray 301, and the rack 303 is used to cooperate with the drive mechanism 410 to drive the railcar 400 to move along the hanging rail 300.

[0068] Please see Figure 5 and Figure 6 The drive mechanism 410 includes a pulley 411, a second motor 412, a rotating roller 413 and a gear 414. The rotating roller 413 is disposed inside the slide rail 302, the pulley 411 is sleeved on the outside of the rotating roller 413, and the pulley 411 can rotate flexibly relative to the rotating roller 413. The cable 600 is disposed on the outside of the pulley 411.

[0069] Specifically, the cable 600 located inside the cable tray 301 is placed on the surface of the pulley 411, and the pulley 411 can rotate flexibly relative to the roller 413, that is, the pulley 411 can guide the cable 600 and guide the cable 600 into the conveying mechanism 420.

[0070] Please see Figure 6 Gears 414 are respectively located at both ends of the rotating roller 413, and the gears 414 mesh with the rack 303 respectively. The power output end of the second motor 412 is connected to the rotating roller 413. The second motor 412 is electrically connected to the controller 700, which is used to control the working state of the second motor 412, including the speed, number of rotations and rotation direction.

[0071] Specifically, when the second motor 412 rotates, it can drive the rotating roller 413 to rotate. The rotating roller 413 rotates together with the gear 414, so that the gear 414 meshes with the rack 303 on the hanging rail 300, thereby driving the railcar 400 to move along the hanging rail 300.

[0072] It is worth noting that, please refer to Figure 6 The railcar 400 also includes multiple limiting wheels 401, which are symmetrically distributed on the inner wall of the railcar 400 and can rotate along the surface of the suspension rail 300.

[0073] The limiting wheel 401 is used to limit the railcar 400. The limiting wheel 401 is respectively attached to the inner wall of the upper and lower ends of the hanging rail 300, supporting the railcar 400 inside the hanging rail 300, so that the drive mechanism 410 can smoothly drive the railcar 400 to move.

[0074] Please see Figure 6 and Figure 7 The conveying mechanism 420 is located below the drive mechanism 410.

[0075] The conveying mechanism 420 includes a drive wheel 421, a driven wheel 422, a third motor 423, and a rotary encoder 424. The power output end of the third motor 423 is connected to the drive wheel 421, and the driven wheel 422 is connected to the rotary encoder 424.

[0076] Both the third motor 423 and the rotary encoder 424 are electrically connected to the controller 700. The controller 700 can control the working state of the third motor 423, including its speed, number of rotations, and direction of rotation, thereby precisely controlling the length of the conveying cable 600 of the conveying mechanism 420.

[0077] It is worth noting that the rotary encoder 424 can convert the mechanical rotational motion of the driven wheel 422 into a digital signal or a pulse signal, and can measure the rotational speed and angular displacement of the driven wheel 422. The rotary encoder 424 can be of the RE1103 IC1-H01-0006 type. Secondly, the rotary encoder 424 is a mature existing technology, and those skilled in the art can flexibly select other models according to implementation needs, which will not be elaborated on here.

[0078] After the rotary encoder 424 measures the rotation data of the driven wheel 422, it transmits the data to the controller 700. The controller 700 performs data calculations to obtain the output length of the cable 600 and the conveying acceleration of the cable 600, which are used by the controller 700 to determine the position and traction status of the cable 600.

[0079] Please see Figure 7 The drive wheel 421 and the driven wheel 422 are respectively in contact with the surface of the cable 600. The drive wheel 421 and the driven wheel 422 clamp the cable 600, and the third motor 423 drives the drive wheel 421 to rotate. Combined with the clamping force of the driven wheel 422 on the cable 600, the cable 600 can be transported.

[0080] It is worth noting that the outer layers of both the drive wheel 421 and the driven wheel 422 are made of rubber material, which has a certain degree of elasticity. Furthermore, the distance between the drive wheel 421 and the driven wheel 422 is slightly smaller than the diameter of the cable 600. When the drive wheel 421 and the driven wheel 422 are clamped to the outside of the cable 600, they can fit tightly against the outside of the cable 600 and have a certain degree of elasticity, which can provide elastic buffering to avoid slippage.

[0081] Secondly, the drive wheel 421 rotates under the drive of the third motor 423, conveying the cable 600. The driven wheel 422 contacts the cable 600 in the transmission state. The movement of the cable 600 drives the driven wheel 422 to rotate. During this process, the rotary encoder 424 measures the number of rotations, rotational acceleration, and rotation angle of the driven wheel 422. Combined with the circumference of the contact position between the driven wheel 422 and the cable 600, the length of the cable 600 passing through the conveying mechanism 420 can be calculated, which is beneficial for controlling the output length of the cable 600.

[0082] Please see Figure 8 The position monitoring unit 430 is located below the conveying unit 420.

[0083] The position monitoring mechanism 430 includes a first distance sensor 431 and a second distance sensor 432. The first distance sensor 431 is located on the forward direction side of the railcar 400, and the second distance sensor 432 is located on the backward direction side of the railcar 400. The cable 600 is located between the first distance sensor 431 and the second distance sensor 432.

[0084] The first distance sensor 431 and the second distance sensor 432 are electrically connected to the controller 700, which processes the data signals of the first distance sensor 431 and the second distance sensor 432.

[0085] Specifically, when the cable 600 is in a natural hanging state or in a vertical state, the distance between the outer wall of the cable 600 and the first distance sensor 431 and the second distance sensor 432 is equal.

[0086] When the cable 600 is tilted, the distance between the outer wall of the cable 600 and the first distance sensor 431 and the second distance sensor 432 will be different.

[0087] It is worth noting that the allowable difference range between the values ​​measured by the first distance sensor 431 and the second distance sensor 432 is half the diameter of the cable 600.

[0088] When the difference between the values ​​measured by the first distance sensor 431 and the second distance sensor 432 is greater than half the diameter of the cable 600, the cable 600 is triggered to be in a traction tilt state, that is, the railcar 400 is not above the charging port of the new energy vehicle. The controller 700 controls the railcar 400 to move towards the direction of the first distance sensor 431 or the second distance sensor 432 with the smaller monitoring distance value, until the distance values ​​measured by the first distance sensor 431 and the second distance sensor 432 are within the allowable difference range, then the movement of the railcar 400 stops. At this time, the railcar 400 is above the charging port of the new energy vehicle.

[0089] It is worth noting that, please refer to Figure 8 The position monitoring mechanism 430 also includes two limiting rollers 433, which are located on both sides of the first distance sensor 431 and the second distance sensor 432, respectively. The cable 600 is located between the two limiting rollers 433, and the width between the two limiting rollers 433 is the same as the diameter of the cable 600.

[0090] Two limit rollers 433 are used to control the stability of the cable 600 between the first distance sensor 431 and the second distance sensor 432, ensuring the accuracy of the measurement data.

[0091] In summary, when a new energy vehicle arrives at a charging station, the user can select the nearest charging gun 500 based on the location of the charging port. When the charging gun 500 is pulled, it moves the cable 600. The rotary encoder 424 detects the acceleration of the cable 600 and activates the automatic release program of the cable 600.

[0092] Specifically, after the rotary encoder 424 detects the acceleration generated by the cable 600, it simultaneously records the number of rotations of the driven wheel 422 and begins to measure the output length of the cable 600. At the same time, the first distance sensor 431 and the second distance sensor 432 detect the tilt direction of the cable 600. The controller 700 controls the track vehicle 400 to move and the winch 220 to release the cable 600. The first motor 230 drives the winch 220 to rotate, releasing the cable 600 from the winch 220 to meet the length requirements of the cable 600 during the movement of the track vehicle 400.

[0093] The railcar 400 moves toward the direction of the first distance sensor 431 or the second distance sensor 432, which has a smaller monitoring distance value, until the distance values ​​measured by the first distance sensor 431 and the second distance sensor 432 are within the allowable difference range. Then the railcar 400 stops moving. At this time, the railcar 400 is above the charging port of the new energy vehicle.

[0094] During this process, the controller 700 controls the third motor 423 to operate, outputting the cable 600, and the rotary encoder 424 continuously measures the output length of the cable 600 until the set length of the cable 600 is reached, that is, the length of the cable 600 extending out of the railcar 400 is 2m. During this process, the controller 700 controls the first motor 230 to operate synchronously with the third motor 423, continuously releasing the cable 600 from the winch 220 to meet the needs of the conveying mechanism 420 in conveying the cable.

[0095] If the set output length of cable 600 still cannot meet the actual needs, the user pulls cable 600, and the rotary encoder 424 detects acceleration in cable 600 again. Then, the controller 700 controls the conveying mechanism 420 to output 50cm of cable 600, which is the compensation length. It is worth noting that the conveying mechanism 420 can output the compensation length a maximum of five times.

[0096] During the process of cable 600 being output to the railcar 400, the first motor 230 is in a free-rotating state. That is, when the railcar 400 moves, it can pull the cable 600 to be released from the winch 220. This achieves the effect of the railcar 400 automatically following the position of the charging gun 500, reducing the intensity of the user dragging the cable and avoiding the problem of insulation damage caused by the cable rubbing against the ground.

[0097] After charging is complete, the user can disconnect the charging gun 500 from the vehicle charging port. The control board in the charging pile 100 will deactivate the charging state and output a cable winding signal to the controller 700. The controller 700 will output a signal to the first motor 230, which will drive the winch 220 to rotate and wind up the cable 600.

[0098] Furthermore, during this process, the rotary encoder 424 measures the length of the cable 600, which helps control the suspension height of the charging gun 500, ensuring that the charging gun 500 is suspended at a height that the user can easily reach, thus completing the automatic cable retraction. This prevents the cable 600 from being scattered randomly in the charging parking space, thus avoiding the risk of damage to the cable 600 due to being run over by vehicles, and ensuring the reliability and safety of the cable 600.

[0099] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A smart charging pile, characterized in that: Includes pile body (100), multiple cable take-up boxes (200), multiple hanging rails (300), multiple railcars (400), multiple charging guns (500), multiple cables (600) and multiple controllers (700). The cable (600) is located inside the take-up box (200), the hanging rail (300), and the railcar (400), respectively. One end of the cable (600) passes through the railcar (400) and is connected to the charging gun (500). The hanging rail (300) is provided with a cable tray (301) that communicates with the take-up box (200). The take-up box (200) is provided with a winch (220) for winding the cable (600). The winch (220) is provided with a first motor (230) for driving its rotation. The take-up box (200) is provided with a rotary connector (210) that is coaxially distributed with the winch (220). The cable (600) passes through the winch (220) and is connected to the rotary connector (210). A wire harness (110) is connected between the pile body (100) and the rotary connector (210). The railcar (400) includes a drive mechanism (410), a conveying mechanism (420), and a position monitoring mechanism (430). The drive mechanism (410) drives the railcar (400) to move along the suspended rail (300). The conveying mechanism (420) is used to retract and extend the cable (600). The position monitoring mechanism (430) is used to monitor the traction direction of the cable (600). The position monitoring mechanism (430) is located below the conveying mechanism (420); The position monitoring mechanism (430) includes a first distance sensor (431) and a second distance sensor (432). The first distance sensor (431) is located on the forward direction side of the railcar (400), and the second distance sensor (432) is located on the backward direction side of the railcar (400). The cable (600) is located between the first distance sensor (431) and the second distance sensor (432). The position monitoring mechanism (430) also includes two limiting rollers (433), which are located on both sides of the first distance sensor (431) and the second distance sensor (432), respectively. The cable (600) is located between the two limiting rollers (433), and the width between the two limiting rollers (433) is the same as the diameter of the cable (600); The controller (700) is electrically connected to the control terminal of the pile (100), the first motor (230), the drive mechanism (410), the conveying mechanism (420), and the position monitoring mechanism (430), respectively.

2. The intelligent charging pile according to claim 1, characterized in that: A guide wheel (304) is provided at the connection between the cable tray (301) and the take-up box (200).

3. The intelligent charging pile according to claim 1, characterized in that: The hanging rail (300) includes a slide rail (302) and a rack (303). The slide rail (302) is connected to the cable tray (301), and the rack (303) is distributed below the slide rail (302).

4. The intelligent charging pile according to claim 3, characterized in that: The drive mechanism (410) includes a pulley (411), a second motor (412), a rotating roller (413), and a gear (414). The rotating roller (413) is disposed inside the slide rail (302), the pulley (411) is sleeved on the outside of the rotating roller (413), and the pulley (411) can rotate flexibly relative to the rotating roller (413). The cable (600) is disposed outside the pulley (411). The gears (414) are respectively disposed at both ends of the rotating roller (413), and the gears (414) mesh with the rack (303); The power output end of the second motor (412) is connected to the rotating roller (413).

5. A smart charging pile according to claim 4, characterized in that: The railcar (400) also includes a plurality of limiting wheels (401), which are symmetrically distributed on the inner wall of the railcar (400) and can rotate along the surface of the hanging rail (300).

6. The intelligent charging pile according to claim 1, characterized in that: The conveying mechanism (420) is located below the driving mechanism (410); The conveying mechanism (420) includes a drive wheel (421), a driven wheel (422), a third motor (423), and a rotary encoder (424). The power output end of the third motor (423) is connected to the drive wheel (421), and the driven wheel (422) is connected to the rotary encoder (424). The drive wheel (421) and the driven wheel (422) are respectively attached to the surface of the cable (600).

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