Safe electric vehicle charging pile

Abstract

The utility model relates to a safe electric vehicle charging pile which comprises a charging box, a charging head and a cable, heat dissipation openings are formed in the opposite outer side walls of the charging box correspondingly, a plurality of wind shields are evenly arranged at the heat dissipation openings at equal intervals, a sealing assembly is arranged between every two adjacent wind shields, a containing groove is formed in one wind shield, and the other containing groove is formed in the other wind shield. The sealing assembly comprises a sealing plate connected to the containing groove in a sliding mode, a magnetic block is arranged on the sealing plate, an electromagnetic block is arranged on the inner side wall of the sealing groove, a plurality of reset springs are arranged in the containing groove, and when the reset springs are in a natural state, the end face of the magnetic block is flush with the outer end faces of the wind shields. The sealing assembly is started and blocks the heat dissipation opening, high-humidity air is prevented from entering the charging box through the heat dissipation opening, and the possibility that the charging box is invaded by moisture and leaks electricity is reduced. The method has the effect of improving the safety of the charging pile.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of charging piles, in particular to a safe electric vehicle charging pile. BACKGROUND

[0002] The charging pile refers to a charging device for providing energy supplement for electric vehicles, which is similar to a refueling machine in a gas station, can be fixed on the ground or a wall, is installed in a public building and a residential parking lot or a charging station, and can charge various types of electric vehicles according to different voltage levels, in order to facilitate more vehicle owners to conveniently charge the electric vehicles, most charging piles are usually arranged in an outdoor environment.

[0003] However, in order to meet the heat dissipation requirement, the existing charging pile is usually provided with a heat dissipation opening on a charging pile box body, so that the charging box body is in a non-sealed state, when facing rainy weather, the humidity in the air sharply increases, and the moisture can easily enter the inside of the charging box through the heat dissipation opening, so that the electrical insulation performance of the inside of the charging box is reduced, the risk of electric leakage is increased, the safety of the charging pile is reduced, and obvious defects exist. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the safety of the charging pile, the application provides a safe electric vehicle charging pile.

[0005] The safe electric vehicle charging pile provided by the application adopts the following technical scheme:

[0006] The safe electric vehicle charging pile comprises a charging box, a charging head and a cable, the outer surface of the charging box is hingedly connected with a box door, a slot for placing the charging head is arranged in the charging box, a charging management module is arranged in the charging box, the charging management module is connected with the charging head through the cable, heat dissipation openings are arranged on the opposite outer side walls of the charging box, a humidity sensor is arranged on the outer surface of the charging box, a plurality of wind baffles are uniformly arranged at equal intervals at the heat dissipation openings, a sealing assembly is arranged between two adjacent wind baffles, a placing groove is arranged on one of the wind baffles, and a sealing groove is arranged on the other wind baffle, the sealing assembly comprises a sealing plate which is slidingly connected to the placing groove, a magnetic block is arranged on the sealing plate, an electromagnetic block for attracting the magnetic block is arranged on the inner side wall of the sealing groove, the electromagnetic block is electrically connected to the humidity sensor through a control system, a plurality of return springs are arranged in the placing groove, one end of the return springs is arranged on the inner side wall of the placing groove, and the other end of the return springs is arranged on the sealing plate, and the end surface of the magnetic block is flush with the outer end surface of the wind baffle in the natural state of the return springs.

[0007] By adopting the technical scheme, when the humidity sensor detects that the air humidity exceeds the standard, the humidity sensor supplies power to the electromagnetic block, the electromagnetic block generates a magnetic force and attracts the magnetic block to move towards the sealing groove, the magnetic block moving drives the sealing plate to move, the reset spring is stretched, when the electromagnetic block and the magnetic block are in contact by adsorption, the sealing block is clamped in the placing groove and the sealing groove, so that the gap between the adjacent wind baffles is blocked by the sealing block, the closure of the heat dissipation port is realized, the high-humidity air entering the charging box through the heat dissipation port is avoided, the risk of electric leakage of the charging box due to moisture invasion is reduced, and the safety of the charging pile is improved; when the humidity sensor detects that the air humidity is normal, the power supply to the electromagnetic block is cancelled, at this time, the adsorption force of the electromagnetic block to the magnetic block disappears, the reset spring resets to pull the sealing plate to be re-embedded in the placing groove, and the heat dissipation port maintains normal heat dissipation function.

[0008] Optionally, a winding assembly for winding the cable is arranged on the charging box, a water absorption disc is arranged on the inner side wall of the charging box, a threading hole for threading the cable is formed in the water absorption disc, a plurality of connecting plates are uniformly arranged on the inner side wall of the threading hole in the circumferential direction, and a water absorption layer is arranged on the connecting plate and abuts against the outer surface of the cable.

[0009] By adopting the technical scheme, in the process of winding and unwinding the cable by the winding assembly, the cable moves back and forth in the threading hole of the water absorption disc, at this time, the water absorption layer continuously contacts the outer surface of the cable, the water droplets or moisture adhered to the cable in the external environment are adsorbed by the water absorption layer, the moisture entering the charging box along with the cable is prevented, and the risk of electric leakage is further reduced, thereby improving the safety of the charging pile.

[0010] Optionally, the winding assembly comprises a winding roller rotatably connected in the charging box, the cable is spirally wound on the outer side of the winding roller, the end portion of the winding roller extends out of the charging box and is coaxially and fixedly connected with a rotating wheel, and a locking assembly for limiting the rotating direction of the winding roller is arranged in the charging box.

[0011] By adopting the technical scheme, in use, the user pulls the charging head to connect with the charging plug of the electric vehicle, when charging, the locking assembly limits the rotating direction of the winding roller, so as to avoid the reverse rotation of the winding roller affecting the charging process during the charging process, after the charging is completed, the user takes out the charging head from the electric vehicle, then rotates the rotating wheel, the rotating wheel drives the winding roller to rotate reversely, the winding roller rotates to wind the cable on the winding roller, so as to avoid that most of the cable is exposed to the external air to adhere to water vapor, and prevent the cable from being knotted to affect the subsequent use.

[0012] Optionally, the locking assembly comprises a ratchet wheel coaxially fixedly connected with the winding roller, a partition plate is arranged in the charging box, the ratchet wheel is rotationally connected to the outer surface of the partition plate, a connecting shaft is rotationally connected to the partition plate, a pawl engaged with the ratchet wheel is arranged on the connecting shaft, a torsional spring is sleeved on the connecting shaft, one end of the torsional spring is arranged on the connecting shaft, and the other end of the torsional spring is arranged on the partition plate, the pawl is abutted against the ratchet wheel under the elastic force of the torsional spring, and one end of the connecting shaft extends out of the charging box and is coaxially fixedly connected with a handle.

[0013] By adopting the above technical scheme, when charging, the user directly drags the cable to move, the cable is unfolded to drive the winding roller to rotate forward, and the ratchet wheel is also driven to rotate, the pawl cannot affect the normal pulling out of the cable due to the one-way engagement of the ratchet wheel and the pawl, the elastic force of the torsional spring drives the pawl to abut against the ratchet wheel, the cooperation of the ratchet wheel and the pawl can effectively prevent the cable from being automatically retracted due to external force, and the stability of the charging process is ensured; after charging is completed, the user reversely rotates the handle against the elastic force of the torsional spring, the handle drives the connecting shaft to rotate, and the connecting shaft drives the pawl to rotate to a state of not engaging with the ratchet wheel, so as to wind the cable.

[0014] Optionally, the water absorption disc is detachably connected to the inner side wall of the charging box through the connecting bolts.

[0015] By adopting the above technical scheme, when the cable moves in the threading hole, the water absorption layer is always tightly abutted against the outer surface of the cable under the action force of the abutting spring, even if the cable slightly shakes, shifts or changes in thickness or the volume of the water absorption layer changes, the abutting spring automatically adjusts the positions of the connecting plate and the water absorption layer under the action of the elastic force, so as to ensure the good contact between the water absorption layer and the cable, thereby continuously and effectively absorbing the moisture on the surface of the cable.

[0016] Optionally, the water absorption disc is detachably connected to the inner side wall of the charging box through the connecting bolts.

[0017] By adopting the above technical scheme, when the water absorption layer in the water absorption disc is saturated due to long-term use, the user opens the door and takes out the water absorption disc saturated with water by detaching the connecting bolts, and then sleeves the dry water absorption disc on the outer surface of the cable through the connecting bolts, so as to ensure the water absorption effect of the water absorption disc on the outer surface of the cable.

[0018] Optionally, the charging box is provided with a leakage detection module and an audible and visual warning module, and the leakage detection module is electrically connected to the audible and visual warning module through a control system.

[0019] By adopting the technical scheme, when the electric leakage detection module detects that the charging pile has electric leakage, the signal is immediately transmitted to the control system, the control system rapidly triggers the sound and light warning module to start after receiving the signal, the sound and light warning module emits bright light and loud sound to attract the attention of people around, so that the occurrence of safety accidents is prevented.

[0020] Optionally, a rain shield is arranged on the outer surface of the box door, and the rain shield covers the charging head.

[0021] By adopting the technical scheme, the rain shield can change the flow direction of the rain, so that the rain slides along the rain shield to the ground, and the risk of electrical failure caused by rain is significantly reduced.

[0022] In summary, the present application has at least one of the following beneficial technical effects:

[0023] 1. The sealing assembly is arranged, when the air humidity exceeds the standard, the electromagnetic block generates magnetic force and attracts the magnetic block to move towards the sealing groove, the magnetic block moves to drive the sealing plate to move, the return spring is stretched, when the electromagnetic block and the magnetic block are in contact, the sealing block is clamped in the placing groove and the sealing groove, so that the gap between the adjacent wind shields is sealed by the sealing block, the closure of the heat dissipation port is realized, the high humidity air enters the charging box through the heat dissipation port, the possibility of electric leakage caused by the invasion of moisture to the charging box is reduced, and the safety of the charging pile is improved.

[0024] 2. The winding assembly and the locking assembly are arranged, when charging, the user directly drags the cable to move, the cable is unfolded to drive the winding roller to rotate forward, and the ratchet wheel is also driven to rotate, since the ratchet wheel and the pawl are one-way clamped, the pawl does not affect the normal pulling out of the cable, and the elastic force of the torsional spring drives the pawl to abut against the ratchet wheel, so that the cable is prevented from being automatically retracted due to external force through the cooperation of the ratchet wheel and the pawl, and the stability of the charging process is ensured; after charging, the user overcomes the elastic force of the torsional spring to reversely rotate the handle, the handle drives the connecting shaft to rotate, and the connecting shaft drives the pawl to rotate to a state of not clamping the ratchet wheel, so as to wind the cable.

[0025] 3. The water absorption disc and the water absorption layer are arranged, during the winding and unwinding of the cable by the winding assembly, the cable moves back and forth in the threading hole of the water absorption disc, at this time, the water absorption layer continuously contacts the outer surface of the cable, the water absorption layer absorbs the water droplets or moisture adhered to the cable in the external environment, prevents the moisture from entering the charging box, and further reduces the risk of electric leakage and improves the safety of the charging pile. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic diagram of the present application.

[0027] Figure 2 is a cross-sectional view of the heat dissipation opening in the embodiment of the present application.

[0028] Figure 3 is Figure 2 is an enlarged view of A in FIG. 1.

[0029] Figure 4 is a structural schematic diagram of the winding assembly and the locking assembly in the embodiment of the present application.

[0030] Figure 5 is a cross-sectional view of the water absorption tray in the embodiment of the present application.

[0031] Legend: 1, charging box; 101, box door; 102, heat dissipation opening; 2, wind shield; 21, placing groove; 22, sealing groove; 103, insertion slot; 104, charging head; 105, electric cable; 106, electric leakage detection module; 107, audible and visual warning module; 108, display screen; 109, humidity sensor; 1010, partition; 3, sealing assembly; 31, sealing plate; 32, magnetic block; 33, electromagnetic block; 34, return spring; 4, rain shield; 5, winding assembly; 51, winding roller; 52, rotating wheel; 6, locking assembly; 61, ratchet wheel; 62, connecting shaft; 63, pawl; 64, torsional spring; 65, handle; 7, connecting bolt; 8, water absorption tray; 81, threading hole; 82, abutting groove; 83, connecting plate; 84, water absorption layer; 85, abutting spring. DETAILED DESCRIPTION

[0032] The following will be described in detail in combination with the accompanying Figures 1-5 The present application will be further described in detail.

[0033] The embodiment of the present application discloses a safe electric vehicle charging pile.

[0034] Reference Figure 1 The safe electric vehicle charging pile comprises a charging box 1, a box door 101 is hinged to the outer surface of the charging box 1, heat dissipation openings 102 are formed in the opposite outer side walls of the charging box 1, and a plurality of wind shields 2 are uniformly and equidistantly arranged on the inner side walls of the heat dissipation openings 102.

[0035] Reference Figure 1 and Figure 2The battery management module (not shown in the figure) is fixedly installed inside the charging box 1, the charging box 1 is provided with a slot 103 inside, the charging head 104 is placed inside the slot 103, the charging head 104 is connected with the charging management module through the cable 105, the charging box 1 is provided with the electric leakage detection module 106 inside, the sound and light warning module 107 is fixedly installed on the outer top wall of the charging box 1, the sound and light warning module 107 is connected with the electric leakage detection module 106 through the control system, the display screen 108 is fixedly installed on the outer surface of the box door 101, and the display screen 108 is used for displaying charging parameters and fault codes.

[0036] During charging, the user takes out the charging head 104 from the slot 103 and connects it with the charging interface of the electric vehicle, so as to realize the charging of the electric vehicle, and in the process of charging, the user can understand the charging parameters through the display screen 108, so as to understand the charging state and progress of the vehicle;

[0037] When the electric leakage detection module 106 detects that the charging pile has electric leakage, the signal is immediately transmitted to the control system, the control system receives the signal and quickly triggers the sound and light warning module 107 to start, the sound and light warning module 107 emits bright light and loud sound alarm, so that the people around pay attention to the electric leakage abnormal phenomenon, prevent the occurrence of safety accidents, and the maintenance personnel can find the fault charging pile according to the light and electrical signals, and the maintenance personnel can accurately repair the charging pile according to the fault code displayed on the display screen 108.

[0038] Referring to Figure 1 , Figure 2 and Figure 3 , the humidity sensor 109 for detecting air humidity is fixedly installed on the outer surface of the charging box 1, the sealing assembly 3 is arranged between the two adjacent wind baffles 2, the placing groove 21 is formed in one of the wind baffles 2, the sealing groove 22 is formed in the adjacent wind baffle 2, the length direction of the sealing groove 22 and the placing groove 21 is parallel to the length direction of the wind baffle 2, the sealing assembly 3 comprises the sealing plate 31 which is slidably connected inside the placing groove 21, the end face of the sealing plate 31 towards the sealing groove 22 is fixedly connected with the magnetic block 32, the electromagnetic block 33 for attracting the magnetic block 32 is fixedly connected to the inner side wall of the sealing groove 22, the electromagnetic block 33 is electrically connected to the humidity sensor 109 through the control system, a plurality of reset springs 34 are arranged in the placing groove 21, one end of the plurality of reset springs 34 is fixedly connected to the inner side wall of the placing groove 21 away from the sealing groove 22, and the other end is fixedly connected to the sealing plate 31, and in the natural state of the reset spring 34, the end face of the magnetic block 32 is flush with the outer end face of the wind baffle 2.

[0039] When the humidity sensor 109 detects that the air humidity exceeds the standard, the humidity sensor 109 energizes the electromagnetic block 33, the electromagnetic block 33 generates a magnetic force and attracts the magnetic block 32 to move towards the sealing groove 22, the magnetic block 32 drives the sealing plate 31 to move, and the return spring 34 is stretched. When the electromagnetic block 33 and the magnetic block 32 are in contact, the sealing block is clamped in the placement groove 21 and the sealing groove 22, so that the gap between the adjacent wind shields 2 is blocked by the sealing block, the closure of the heat dissipation port 102 is realized, the high humidity air entering the charging box 1 through the heat dissipation port 102 is avoided, the possibility of leakage of the charging box 1 due to moisture invasion is reduced, and the safety of the charging pile is improved.

[0040] When the humidity sensor 109 detects that the air humidity is normal, the humidity sensor 109 de-energizes the electromagnetic block 33, at this time the adsorption force of the electromagnetic block 33 to the magnetic block 32 disappears, and the return spring 34 resets to pull the sealing plate 31 to re-embed in the placement groove 21, so that the heat dissipation port 102 maintains normal heat dissipation function.

[0041] Referring to Figure 1 , Figure 2 and Figure 3 , the rain shield 4 is fixedly installed on the outer surface of the box door 101. When the box door 101 is closed, the rain shield 4 is arranged above the charging head 104. The existence of the rain shield 4 can change the flow direction of the rainwater, so that the rainwater slides along the rain shield 4 to the ground, avoiding the accumulation of rainwater on the surface of the charging head 104, and significantly reducing the risk of electrical failure caused by rainwater.

[0042] Referring to Figure 2 and Figure 4 , the charging box 1 is provided with a winding assembly 5, the winding assembly 5 includes a winding roller 51 rotatably connected in the charging box 1, the cable 105 is spirally wound outside the winding roller 51, and the end of the winding roller 51 extends to the outer surface of the protection box and is coaxially fixedly connected with a rotating wheel 52.

[0043] Referring to Figure 2 and Figure 4 , the charging box 1 is provided with a locking assembly 6, the locking assembly 6 includes a ratchet wheel 61 coaxially fixedly connected with the winding roller 51, the charging box 1 is fixedly connected with a partition plate 1010, the ratchet wheel 61 is rotatably connected to the outer surface of the partition plate 1010, the end face of the partition plate 1010 close to the ratchet wheel 61 is rotatably connected with a connecting shaft 62, the connecting shaft 62 is fixedly connected with a pawl 63 which is unidirectionally engaged with the ratchet wheel 61, a torsional spring 64 is sleeved on the outer surface of the connecting shaft 62, one end of the torsional spring 64 is fixedly connected to the connecting shaft 62, and the other end is fixedly connected to the outer surface of the partition plate 1010. The pawl 63 is abutted against the ratchet wheel 61 under the elastic force of the torsional spring 64, and one end of the connecting shaft 62 extends out of the charging box 1 and is coaxially fixedly connected with a handle 65.

[0044] When charging, the user directly drags the cable 105 to move, the cable 105 is unrolled to drive the winding roller 51 to rotate forward, and at the same time drive the ratchet 61 to rotate forward, because the ratchet 61 and the pawl 63 are one-way clamped, so the pawl 63 will not affect the normal pulling out of the cable 105, and the elastic force of the torsional spring 64 drives the pawl 63 to abut against the ratchet 61, which can effectively prevent the cable 105 from being automatically retracted due to external force, and ensure the stability of the charging process.

[0045] After charging is completed, the user overcomes the elastic force of the torsional spring 64 to reversely rotate the handle 65, the handle 65 drives the connecting shaft 62 to rotate, the connecting shaft 62 drives the pawl 63 to rotate to a state of no longer clamping with the ratchet 61, at this time the user reversely rotates the rotating wheel 52, the rotating wheel 52 drives the winding roller 51 to reversely rotate, the winding roller 51 drives the cable 105 to be wound on the winding roller 51, thereby realizing the winding of the cable 105 when not in use, avoiding that most of the cable 105 is exposed to the outside air to be contaminated by water vapor, and preventing the cable 105 from being knotted to affect subsequent use.

[0046] Referring to Figure 4 and Figure 5 , the water absorption disc 8 is detachably connected to the inner side wall of the charging box 1 through the connecting bolt 7, the center of the water absorption disc 8 is provided with the threading hole 81 for the cable 105 to pass through, the inner side wall of the threading hole 81 is provided with a plurality of abutting grooves 82, the plurality of abutting grooves 82 are evenly arranged at equal intervals in the circumferential direction, in this embodiment, the number of the abutting grooves 82 is three, each abutting groove 82 is slidably connected with the connecting plate 83, the connecting plate 83 is fixedly connected with the water absorption layer 84 on the end face close to the threading hole 81, in this embodiment, the water absorption layer 84 is a sponge layer, each abutting groove 82 is provided with the abutting spring 85, one end of the abutting spring 85 is fixedly connected to the inner side wall of the abutting groove 82 away from the threading hole 81, the other end is fixedly connected to the connecting plate 83, and the water absorption layer 84 is abutted against the outer surface of the cable 105 under the elastic force of the abutting spring 85.

[0047] In the process of winding and unwinding the cable 105 by the winding assembly 5, the cable 105 moves back and forth in the threading hole 81 of the water absorption disc 8, at this time the water absorption layer 84 continuously maintains contact with the outer surface of the cable 105, the water absorption layer 84 absorbs the water droplets or moisture contaminated by the cable 105 in the external environment, prevents the moisture from entering the inside of the charging box 1 along with the cable 105, and at the same time, when the cable 105 is smaller due to wear or the water absorption layer 84 is shrunk due to water absorption, the abutting spring 85 automatically adjusts the position of the connecting plate 83 and the water absorption layer 84 under the elastic force, to ensure good contact between the water absorption layer 84 and the cable 105, thereby continuously and effectively absorbing the moisture on the surface of the cable 105.

[0048] When the water absorption layer 84 in the water absorption disc 8 is saturated due to long-term use, the user opens the box door 101 and removes the water absorption disc 8 saturated with water by disassembling the connecting bolt 7, and then sets the dry water absorption disc 8 outside the surface of the cable 105 through the connecting bolt 7, so as to ensure the water absorption effect of the water absorption disc 8 on the surface of the cable 105.

[0049] The implementation principle of the safe trolley charging pile is as follows: when the humidity sensor 109 detects that the air humidity exceeds the standard, the humidity sensor 109 supplies power to the electromagnetic block 33, the electromagnetic block 33 generates a magnetic force and attracts the magnetic block 32 to move towards the sealing groove 22, the magnetic block 32 drives the sealing plate 31 to move, and the reset spring 34 is stretched; when the electromagnetic block 33 and the magnetic block 32 are in contact, the sealing block is clamped in the placement groove 21 and the sealing groove 22, so that the gap between the adjacent windshields 2 is blocked by the sealing block, the closure of the heat dissipation port 102 is realized, the high-humidity air entering the inside of the charging box 1 through the heat dissipation port 102 is avoided, the possibility of electric leakage of the charging box 1 due to moisture invasion is reduced, and the safety of the charging pile is improved.

[0050] When the humidity sensor 109 detects that the air humidity is normal, the humidity sensor 109 cancels the power supply to the electromagnetic block 33, at this time, the adsorption force of the electromagnetic block 33 to the magnetic block 32 disappears, the reset spring 34 resets and pulls the sealing plate 31 to be re-embedded in the placement groove 21, and the heat dissipation port 102 maintains the normal heat dissipation function.

[0051] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made on the basis of the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A safe electric vehicle charging station, comprising a charging box (1), a charging head (104), and a cable (105), wherein the charging box (1) has a door (101) hinged to its outer surface, a slot (103) for placing the charging head (104) is provided inside the charging box (1), a charging management module is provided inside the charging box (1), the charging management module is connected to the charging head (104) via the cable (105), and heat dissipation vents (102) are provided on opposite outer walls of the charging box (1), characterized in that, A humidity sensor (109) is provided on the outer surface of the charging box (1). Multiple baffles (2) are evenly spaced at the heat dissipation vent (102). A sealing assembly (3) is provided between each pair of adjacent baffles (2). One baffle (2) has a placement groove (21), and the other baffle (2) has a sealing groove (22). The sealing assembly (3) includes a sealing plate (31) slidably connected to the placement groove (21). A magnetic block (32) is provided on the sealing plate (31). An electromagnetic block (33) for adsorbing the magnetic block (32) is provided on the inner wall of the sealing groove (22). The electromagnetic block (33) is electrically connected to the humidity sensor (109) through the control system. A plurality of return springs (34) are provided in the placement groove (21). One end of the plurality of return springs (34) is provided on the inner wall of the placement groove (21), and the other end is provided on the sealing plate (31). In the natural state of the return springs (34), the end face of the magnetic block (32) is flush with the outer end face of the wind deflector (2).

2. The safe electric vehicle charging station according to claim 1, characterized in that, The charging box (1) is provided with a winding assembly (5) for winding the cable (105). A water absorption tray (8) is provided on the inner side wall of the charging box (1). A wire hole (81) for the cable (105) to pass through is provided on the water absorption tray (8). A plurality of connecting plates (83) are evenly arranged circumferentially on the inner side wall of the wire hole (81). A water absorption layer (84) is provided on the connecting plate (83). The water absorption layer (84) abuts against the outer surface of the cable (105).

3. A safe electric vehicle charging station according to claim 2, characterized in that, The winding assembly (5) includes a winding roller (51) rotatably connected inside the charging box (1), the cable (105) is spirally wound around the outside of the winding roller (51), the end of the winding roller (51) extends out of the charging box (1) and is coaxially fixedly connected to a wheel (52), and a locking assembly (6) is provided inside the charging box (1) to restrict the rotation direction of the winding roller (51).

4. A safe electric vehicle charging station according to claim 3, characterized in that, The locking assembly (6) includes a ratchet (61) coaxially fixedly connected to the take-up roller (51). A partition (1010) is provided inside the charging box (1). The ratchet (61) is rotatably connected to the outer surface of the partition (1010). A connecting shaft (62) is rotatably connected to the partition (1010). A pawl (63) that engages with the ratchet (61) is provided on the connecting shaft (62). A torsion spring (64) is sleeved on the connecting shaft (62). One end of the torsion spring (64) is located on the connecting shaft (62), and the other end is located on the partition (1010). The pawl (63) abuts against the ratchet (61) under the elastic force of the torsion spring (64). One end of the connecting shaft (62) extends out of the charging box (1) and is coaxially fixedly connected to a handle (65).

5. A safe electric vehicle charging station according to claim 2, characterized in that, The water-absorbing tray (8) has a clamping groove (82) corresponding to each of the multiple connecting plates (83). The multiple clamping grooves (82) are all connected to the wire hole (81). The connecting plate (83) is slidably connected in the corresponding clamping groove (82). Each clamping groove (82) is provided with a clamping spring (85). The water-absorbing layer (84) is pressed against the outer surface of the cable (105) under the elastic force of the clamping spring (85).

6. A safe electric vehicle charging station according to claim 2, characterized in that, The water suction tray (8) is detachably connected to the inner wall of the charging box (1) by connecting bolts (7).

7. A safe electric vehicle charging station according to claim 1, characterized in that, The charging box (1) is equipped with a leakage current detection module (106) and an audible and visual warning module (107). The leakage current detection module (106) is electrically connected to the audible and visual warning module (107) through a control system.

8. A safe electric vehicle charging station according to claim 1, characterized in that, The outer surface of the box door (101) is provided with a rain shield (4), which covers the charging head (104).

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