Charging gun, charging device and charging method thereof

Abstract

The present invention discloses a charging gun, a charging device and a charging method thereof, wherein a perforated plate is axially slidably connected to the inner side of an annular cylindrical structure, and the perforated plate is provided with a through-hole for each power supply pin to pass through in a one-to-one manner, and a plurality of splicing plates are provided on the inner wall of the perforated plate, which moves with the plate and is used to close the through-holes, and each splicing plate is provided with a matching sliding pin and a sliding track between each splicing plate and the annular cylindrical structure, and the sliding track extends toward the gun body and gradually tilts along the radial outer side of the annular cylindrical structure. During charging, each splicing plate slides radially apart along the inner side wall and exposes each through-hole. As the perforated plate continues to extend, each power supply pin is gradually exposed from the through-hole. When charging is completed, the gun moves out of the body and the perforated plate moves outward under the drive of the reset mechanism, and drives each splicing plate to slide radially along the perforated plate and close, thereby sealing the through-hole. This can ensure that the charging gun is normally connected to the device to be charged, and can automatically and stably close the splicing plate when the charging gun is detached from the device to be charged.

Description

Technical Field

[0001] The present invention relates to the technical field of charging guns, and in particular to a charging gun, a charging device, and a charging method thereof. Background Art

[0002] In the existing technology, with the shortage of energy and the deterioration of the environment, emission-free electric vehicles have gradually occupied an increasingly larger share in the automobile market, which has led to the rapid popularization of charging piles. The charging end of the current charging gun is often exposed or covered by a simple cap. This method is not only easy to fall off but also often cannot be automatically sealed, which leads to an increase in corrosion and water damage. This phenomenon also further causes public charging guns to be seriously damaged after a period of use, resulting in high cost investment. In addition, the current charging guns cannot perform self-inspection on the cables, and the cables are easily damaged by long-term friction. Once discovered, accidents are likely to occur.

[0003] Patent document CN105634070A discloses a charging gun with an integrated housing. This not only effectively improves the housing's waterproofing but also enhances the gun's overall structural strength, making it more resistant to crushing. Furthermore, the housing is equipped with drainage holes, allowing water droplets that seep into the housing through seams to be drained away, further extending the gun's service life. Patent document CN106848731A discloses a charging gun, comprising a housing with a receiving chamber, a plug component inserted into the front end of the receiving chamber, a cable assembly inserted into the rear end of the receiving chamber, a locking component movably assembled on the periphery of the housing, a circuit module installed in the receiving chamber, and a waterproof and breathable component. The circuit module is provided with a magnetic switch, and the housing is provided with a mounting groove for mounting the locking component. The locking component can rotate around a rotating axis in the mounting groove. The locking component is provided with a magnetic element. The magnetic element changes its relative distance from the magnetic switch as the locking component rotates to control the state of the magnetic switch. The bottom surface of the mounting groove is provided with a mounting hole that passes through the receiving chamber. The waterproof and breathable component is installed in the mounting hole to discharge heat from the receiving chamber. However, both of these cannot guarantee the technical effect of waterproofing the gun body when it is not in use, and it is inevitable that it will leak and be damaged. Summary of the Invention

[0004] The purpose of the present invention is to provide a charging gun, a charging device and a charging method thereof to solve the problems existing in the above-mentioned prior art. Through the opening and closing of the splicing plate, it can be flexibly opened during use to ensure the electrical connection between the gun body and the object to be charged. It can be flexibly closed after use to prevent external water from flowing into the inside of the gun body, thereby extending the service life.

[0005] To achieve the above-mentioned objectives, the present invention provides the following solution: The present invention provides a charging gun, comprising a gun body, a plurality of power supply pins arranged on the gun body, and an annular cylindrical structure covering the outer peripheral side of all the power supply pins, a perforated plate is axially slidably connected to the inner side of the annular cylindrical structure, the perforated plate is provided with through holes for each of the power supply pins to pass through one by one, and a plurality of splicing plates are provided on the inner side wall of the perforated plate, which move with it and are used to close the through holes, each of the splicing plates is respectively provided with a matching sliding pin and a sliding track between the annular cylindrical structure, the sliding track extends toward the gun body and gradually tilts along the radial outer side of the annular cylindrical structure, each sliding pin moves along the corresponding sliding track, and respectively drives each splicing plate to slide radially along the inner side wall to separate and expose each through hole, and the perforated plate is connected with a reset mechanism for driving it and resetting each splicing plate.

[0006] Preferably, the reset mechanism includes a reset rod and a reset spring sleeved on the reset rod, the reset rod extends axially along the annular cylindrical structure, one end of which is connected to a position on the perforated plate that does not correspond to the splicing plate, and the other end can be slidably inserted into the gun body, and the reset spring is connected between the perforated plate and the gun body.

[0007] Preferably, an inner cavity is provided in the gun body, the end of the reset rod extends into the inner cavity, and is provided with a first stopper to prevent the reset rod from escaping from the inner cavity.

[0008] Preferably, the sliding track is a strip groove provided on the inner surface of the side wall of the annular cylindrical structure, the end of the sliding pin passes through the notch of the strip groove and extends into the strip groove, and the end of the sliding pin is provided with a second stop block to prevent it from escaping from the strip groove.

[0009] Preferably, the strip-shaped slot includes an inclined section and a straight section connected in sequence from the perforated plate to the gun body. After the sliding pin moves along the inclined section and drives each of the splicing plates to separate, the sliding pin moves along the straight section and drives the splicing plates that remain in a separated state to pass over the power supply pin portion.

[0010] Preferably, a plurality of elastically deformable hooks are provided around the outer circumference of the gun body, and the hooks are provided with claws that are engaged with the object to be charged during charging.

[0011] Preferably, the gun body is provided with a hook shaft for installing the hook, and the hook is provided with an electromagnet for driving it to rotate and separate the hook claw from the object to be charged, and a reset torsion spring is provided between the gun body and the hook for driving it to rotate and reset, and the torsional elastic force of the reset torsion spring on the hook is smaller than the magnetic force of the electromagnet on the hook.

[0012] A charging device is also provided, in which the gun body is connected to a cable and also includes a detection frame surrounding the cable, the detection frame is provided with a plurality of detection blocks that can slide radially along the circumference, and the inner ends of the detection blocks are slidably connected to the surface of the cable, and the inner ends of the detection blocks are provided with sensing elements for detecting the degree of damage to the cable, and a connecting spring is provided between two adjacent detection blocks to maintain a tensioned state in real time, and the connecting spring is located on the outer circumference of the detection frame along the radial direction.

[0013] A charging method for a charging device is also provided, comprising the following steps:

[0014] During charging: the gun body is aligned with the charging hole of the object to be charged and inserted. When the gun body contacts the object to be charged, the charging hole pushes the perforated plate and the splicing plates to overcome the elastic force of the return spring and move inward. During the movement of the perforated plate, the sliding pin moves along the slope of the sliding track and drives the splicing plates to gradually slide radially along the perforated plate, exposing the through holes on the perforated plate. As the perforated plate continues to move, the power supply pins gradually extend from the through holes and connect with the charging hole to charge the object to be charged.

[0015] When charging is completed: the perforated plate and the splicing plate move outward under the action of the reset spring, the sliding pin resets along the slope of the sliding track, and drives each splicing plate to slide radially along the perforated plate and close, thereby sealing the through hole.

[0016] Preferably, the following process is also included: the detection frame as a whole moves axially along the cable, and is limited by the elastic force of the connecting spring. The detection block slides radially along the detection frame at positions of different diameters on the cable. When the detection frame reaches the damaged position, the detection block at the corresponding position moves inward, causing the corresponding sensing element to move inward and be triggered, thereby identifying the damaged position of the cable.

[0017] Compared with the prior art, the present invention has achieved the following technical effects:

[0018] First, a perforated plate is connected to the inner side of the annular cylindrical structure in an axial sliding manner, and a through-hole is opened on the perforated plate for each power supply pin to pass through in a one-to-one manner, and a plurality of splicing plates are provided on the inner side wall of the perforated plate, which move with it and are used to close the through-holes. A matching sliding pin and a sliding track are provided between each splicing plate and the annular cylindrical structure. The sliding track extends toward the gun body and gradually tilts along the radial outer side of the annular cylindrical structure. The perforated plate is connected to a reset mechanism for driving it and resetting each splicing plate. Specifically, when in use, since the sliding track extends toward the gun body and gradually tilts along the radial outer side of the annular cylindrical structure, the perforated plate pushes the splicing plate and the sliding pin to move axially along the annular cylindrical structure, and at the same time, each sliding pin moves along the corresponding sliding track. , and each splicing plate slides radially along the inner wall to separate and expose each through-hole. As the perforated plate continues to extend, each power supply pin is gradually exposed from the through-hole. When charging is completed, the gun moves outward and the perforated plate moves outward under the drive of the reset mechanism. The sliding pin resets along the slope of the sliding track and drives each splicing plate to slide radially along the perforated plate and close to seal the through-hole. In summary, it can ensure that the charging gun is normally connected to the device to be charged, and can automatically and stably close the splicing plate when the charging gun is separated from the device to be charged, thereby protecting the electronic components inside the perforated plate from corrosion or water immersion and other risks, changing the traditional public charging gun care and protection measures are not in place, and internal component short circuit, damage and other problems often occur.

[0019] Second, the reset mechanism includes a reset rod and a reset spring sleeved on the reset rod. The reset rod extends axially along the annular cylindrical structure, one end of which is connected to the position of the perforated plate that does not correspond to the splicing plate, and the other end can be slidably inserted into the gun body. The reset spring is connected between the perforated plate and the gun body. Through the setting of the reset spring, when the perforated plate is not pushed by the object to be charged, it can automatically reset under the rebound of the reset spring. There is no need to set up mechanisms such as a drive motor or a telescopic rod. The structure is simple and the cost is low.

[0020] Third, an inner cavity is provided in the gun body, and the end of the reset rod extends into the inner cavity, and is provided with a first stopper to prevent it from escaping from the inner cavity. When the reset spring rebounds and drives the perforated plate to move outward and reset, it is restricted in the inner cavity by the first stopper to prevent the perforated plate from sliding out of the annular cylindrical structure under the push of the reset spring, resulting in failure of the sealing of the electronic components inside the gun body.

[0021] Fourth, the sliding track is a strip groove provided on the inner surface of the side wall of the annular cylindrical structure. The end of the sliding pin passes through the notch of the strip groove and extends into the strip groove, and the end of the sliding pin is provided with a second stopper to prevent it from escaping from the strip groove. By setting the strip groove as a sliding track, the sliding pin slides directly along the strip groove, and by setting the second stopper to be embedded in the strip groove, the sliding pin is prevented from escaping from the strip groove during the sliding process. The entire sliding structure is simple and effective.

[0022] Fifth, the detection frame is provided with several detection blocks that can slide radially along the circumference, and the inner ends of the detection blocks are slidably connected to the surface of the cable, and the inner ends of the detection blocks are provided with sensing elements for detecting the degree of cable damage, and connecting springs that are kept in a real-time taut state are provided between adjacent detection blocks. The detection frame as a whole moves axially along the cable, and the detection blocks slide radially along the detection frame at positions of different diameters on the cable. When the detection frame reaches the damaged position, the detection blocks at the corresponding positions move inward, causing the corresponding sensing elements to move inward and trigger, identifying the damaged position of the cable, realizing self-inspection of the cable, and providing timely feedback in time when damage occurs, avoiding charging accidents. This method effectively solves the problem that traditional equipment is unaware of cable damage and still uses equipment under high-risk conditions, which leads to subsequent difficulties in repair and great safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 It is an isometric diagram of a charging gun with a function of protecting the charging head and detecting cable damage according to the present invention;

[0025] Figure 2 This is a schematic diagram from another angle of a charging gun capable of protecting a charging head and detecting cable damage according to the present invention;

[0026] Figure 3 yes Figure 1 The main view;

[0027] Figure 4 yes Figure 1 Left view of;

[0028] Figure 5 yes Figure 1 Right view;

[0029] Figure 6 yes Figure 1 A top view of

[0030] Figure 7 yes Figure 4 An enlarged schematic diagram of point "A";

[0031] Figure 8 yes Figure 4 The enlarged diagram of point "C";

[0032] Figure 9 yes Figure 6Schematic diagram of the structure at "BB";

[0033] Figure 10 This is a front view of the connection between the splicing plate, sliding pin and sliding track;

[0034] Figure 11 This is a structural diagram of the connection between the splicing plate, sliding pins and sliding rails.

[0035] Among them, 1-gun body, 2-cable, 3-annular cylindrical structure, 4-hook, 5-perforated plate, 7-reset rod, 8-reset spring, 9-first stopper, 10-hook shaft, 11-sliding pin, 12-joining plate, 13-sliding track, 14-inner cavity, 15-detection block, 16-connecting spring, 17-moving wheel, 18-moving shaft, 19-detection frame, 20-through hole. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0037] The purpose of the present invention is to provide a charging gun, a charging device and a charging method thereof to solve the problems existing in the above-mentioned prior art. Through the opening and closing of the splicing plate, it can be flexibly opened during use to ensure the electrical connection between the gun body and the object to be charged. It can be flexibly closed after use to prevent external water from flowing into the inside of the gun body, thereby extending the service life.

[0038] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0039] like Figures 1 to 11As shown, the present invention provides a charging gun, comprising a gun body 1, a plurality of power supply pins arranged on the gun body 1, and an annular cylindrical structure covering the outer peripheral side of all the power supply pins. A perforated plate 5 is axially connected to the inner side of the annular cylindrical structure. The perforated plate 5 is provided with a through hole 20 for each power supply pin to pass through in a one-to-one correspondence. The inner side wall of the perforated plate 5 is provided with a plurality of splicing plates 12 that move with it and are used to close the through holes 20. The splicing plates 12 are a plurality of fan-shaped structures or two semicircular structures, etc., which form a whole seamless plate structure when spliced ​​together. Each splicing plate 12 is provided with a matching sliding plate between the annular cylindrical structure. The movable pin 11 and the sliding track 13, the sliding track 13 extends toward the gun body 1, and gradually tilts along the radial outer side of the annular cylindrical structure. For example, the sliding track 13 is set on the inner wall of the annular cylindrical structure, and the sliding pin 11 is fixedly connected to the splicing plate 12; the perforated plate 5 is connected with a reset mechanism for driving it and resetting each splicing plate 12. The reset mechanism can be a slide rod or a motor structure, etc. The reset mechanism is connected to the position where the perforated plate 5 does not correspond to the splicing plate 12. The action of the reset mechanism does not interfere with the movement of the splicing plate 12. Specifically, when in use, since the sliding track 13 extends toward the gun body 1 and gradually tilts along the annular cylindrical structure, the sliding pin 11 is fixedly connected to the splicing plate 12. The radial outer side of the cylindrical structure is inclined, and the perforated plate 5 pushes the splicing plate 12 and the sliding pin 11 to move axially along the annular cylindrical structure. At the same time, each sliding pin 11 moves along the corresponding sliding track 13, and respectively drives each splicing plate 12 to slide radially along the inner side wall and separate to expose each through hole 20. As the perforated plate 5 continues to extend, each power supply pin is gradually exposed from the through hole 20. When charging is completed, the gun body 1 moves outward and the perforated plate 5 moves outward under the drive of the reset mechanism. The sliding pin 11 resets along the slope of the sliding track 13 and drives each splicing plate 12 to slide radially along the perforated plate 5 and close, sealing the through hole 20. It can not only ensure that the charging gun is normally connected to the device to be charged, but also automatically and stably close the splicing plate 12 when the charging gun is separated from the device to be charged, thereby protecting the electronic components inside the perforated plate 5 from corrosion or water immersion and other risks, which changes the traditional public charging gun care and protection measures that are not in place, and often cause internal component short circuits, damage and other problems. In addition, the cooperation between each splicing plate 12 and the sliding pin 11 and the sliding rail 13 is a completely mechanical mechanism that does not require power supply. It can automatically close the splicing plate 12 through a mechanical device when the device is separated from the charged device, making the whole process more stable and reliable.

[0040] Among them, the reset mechanism includes a reset rod 7 and a reset spring 8 mounted on the reset rod 7. The reset rod 7 extends axially along the annular cylindrical structure, one end of which is connected to the position on the perforated plate 5 that does not correspond to the splicing plate 12, and the other end can be slidably inserted into the gun body 1. The reset spring 8 is connected between the perforated plate 5 and the gun body 1. Through the setting of the reset spring 8, when the perforated plate 5 is not pushed by the object to be charged, it can automatically reset under the rebound of the reset spring 8. There is no need to set up mechanisms such as drive motors or telescopic rods, and the structure is simple and the cost is low. The reset rod 7 is connected to the position of the perforated plate 5 that does not correspond to the splicing plate 12, such as between two adjacent splicing plates 12, or at the outer peripheral position after the splicing plate 12 moves to the maximum distance, etc., to prevent interference with the movement of the splicing plate 12.

[0041] Preferably, an inner cavity 14 is provided in the gun body 1, and the end of the reset rod 7 extends into the inner cavity 14, and is provided with a first stopper 9 to prevent it from escaping from the inner cavity 14. When the reset spring 8 rebounds and drives the perforated plate 5 to move outward and reset, it is restricted in the inner cavity 14 by the first stopper 9 to prevent the perforated plate 5 from sliding out of the annular cylindrical structure under the push of the reset spring 8, resulting in failure of the sealing of the electronic components inside the gun body 1.

[0042] As a preferred embodiment of the present invention, the sliding track 13 is a strip groove provided on the inner surface of the side wall of the annular cylindrical structure 3, and the end of the sliding pin 11 passes through the notch of the strip groove and extends into the strip groove, and the end of the sliding pin 11 is provided with a second stopper to prevent it from escaping from the strip groove. By setting the strip groove as the sliding track 13, the sliding pin 11 slides directly along the strip groove, and by setting the second stopper to be embedded in the strip groove, the sliding pin 11 is prevented from escaping from the strip groove during the sliding process. The entire sliding structure is simple and effective.

[0043] Furthermore, the strip-shaped slot includes an inclined section and a straight section connected in sequence from the perforated plate 5 to the gun body 1. After the sliding pin 11 moves along the inclined section and drives each splicing plate 12 to separate, the sliding pin 11 moves along the straight section and drives the splicing plate 12 that remains separated to cross the power supply pin portion. Preferably, the splicing plate 12 is a circular plate structure spliced ​​together by two semicircular plate structures to block the through hole 20. Since the inclined section of the strip-shaped slot is inclined, the sliding pin 11 will gradually drive the semicircular plate structure to move along the slope. The two inclined sections opened on the inner wall of the annular cylindrical structure correspond to each semicircular plate structure respectively, and the slopes of the two inclined sections are opposite, so that the sliding pin 11 connected to each semicircular plate structure moves in the opposite direction, so that the two semicircular plate structures move in the opposite direction to open, so that the through hole 20 on the perforated plate 5 is no longer blocked. As the perforated plate 5 continues to move, the sliding pin 11 slides along the straight section, and the semicircular plate structure maintains the width of the opening along the inclined section, allowing the power supply pin to extend from the through hole 20 of the perforated plate 5. Preferably, only the inclined section is provided. If the space structure is large enough, the sliding pin 11 continues to slide along the inclined section when the power supply pin extends from the through hole 20 to the non-extended state.

[0044] Moreover, the outer circumference of the gun body 1 is surrounded by a number of elastically deformable hooks 4, and the hooks 4 are provided with claws that are clamped onto the object to be charged during charging. By providing the hooks 4, when the charging gun is connected to the object to be charged, the hooks 4 can be quickly deformed and clamped onto the object to be charged, ensuring the firmness of the connection between the two, and avoiding exposing only the power supply pin to the perforated plate 5 and then connecting to the object to be charged. At this time, the connection is greatly affected by the weight of the gun body 1, resulting in poor connection stability.

[0045] In order to facilitate the hook 4 to quickly detach from the object to be charged when charging is completed, the gun body 1 is provided with a hook shaft 10 for installing the hook 4, and the hook 4 is provided with an electromagnet for driving its rotation and detaching the hook claw from the object to be charged, and a reset torsion spring is provided between the gun body 1 and the hook 4 for driving its rotation and reset, and the torsional elastic force of the reset torsion spring on the hook 4 is less than the magnetic force of the electromagnet on the hook 4. During use, the magnetic force of the electromagnet on the hook 4 causes the hook 4 to overcome the limitation of the reset torsion spring and detach from the object to be charged, so as to complete the detachment of the gun body 1 from the object to be charged. Preferably, a plurality of slots are distributed annularly on the outer peripheral wall of the annular cylindrical structure, and the hook shaft 10, the reset torsion spring and the hook 4 are all installed in the slots to facilitate the installation of each mechanism on the annular cylindrical structure.

[0046] Furthermore, a charging device is provided, in which the gun body 1 is connected to a cable and further includes a detection frame 19 surrounding the cable, wherein the detection frame 19 is provided with a plurality of detection blocks 15 that can slide radially along the circumference thereof, and the inner ends of the detection blocks 15 are slidably connected to the surface of the cable, and the inner ends of the detection blocks 15 are provided with sensing elements for detecting the degree of damage to the cable, and a connecting spring 16 that is maintained in a tensioned state in real time is provided between two adjacent detection blocks 15, and the connecting spring 16 can pull each detection block 15 to be tightly sleeved on the cable, and the detection frame 19 as a whole moves axially along the cable 2, and the detection blocks 15 slide radially along the detection frame 19 at positions of different diameters on the cable, for example, at the detection frame 1 9 is provided with an opening adapted to the detection block 15, the opening extends radially along the detection frame 19, and the detection block 15 is slidably connected to the inside of the opening; when the detection frame 19 reaches the undamaged position, the detection blocks 15 are all located on the same circumference, and when the detection frame 19 reaches the damaged part, the detection block 15 at the corresponding position moves inward, causing the corresponding sensing element to move inward and trigger, identifying the damaged position of the cable, realizing self-inspection of the cable 2, and completing timely feedback in time when damage occurs, avoiding charging accidents. This method solves the problem that the traditional equipment cable 2 is damaged without knowing it, and the equipment is still used under high-risk conditions, which makes subsequent repairs difficult and has great safety hazards.

[0047] Furthermore, the detection frame 19 can be actively or passively driven so that when the cable needs to be inspected, it can move along the cable to complete the inspection of the cable, or the inner side of the detection block 15 is provided with a mounting groove, and the mounting groove is evenly distributed with the movable shaft 18 fixedly connected thereto. The movable shaft 18 is provided with a self-driven movable wheel 17, the inner side of the movable wheel 17 contacts the device, and the outer side of the detection block 15 is connected to each other via a connecting spring 16, and the sensing element is provided on the inner outer wall of the detection block 15. Preferably, by increasing the distribution density of the detection blocks 15, that is, the number of detection blocks 15 on the same circumference, the location of the damage can be more accurately identified and a more precise judgment can be completed. When the cable 2 needs to be inspected, the moving wheel 17 is started to rotate. The rotation of the moving wheel 17 will cause the detection frame 19 to move along the cable 2 as a whole, and the deformation of the detection spring can be controlled to make the detection block 15 shrink or expand to adapt to cables 2 of different sizes. As the detection frame 19 moves, when it reaches the damaged part, the detection block 15 here will move inward, thereby causing the current element at the same radius as other sensing elements to move inward, and then the sensing element is triggered, and the specific location of the damage is identified.

[0048] A charging method for a charging device is also provided, comprising the following steps:

[0049] During charging: the gun body 1 is aligned with the charging hole of the object to be charged and inserted. When the gun body 1 contacts the object to be charged, the charging hole pushes the perforated plate 5 and the splicing plates 12 to overcome the elastic force of the return spring 8 and move inward. During the movement of the perforated plate 5, the sliding pin 11 moves along the slope of the sliding track 13, and drives the splicing plates 12 to gradually slide radially along the perforated plate 5, and expose the through holes 20 on the perforated plate 5. As the perforated plate 5 continues to move, the power supply pins gradually extend from the through holes 20 and connect with the charging hole to charge the object to be charged.

[0050] When charging is completed: the perforated plate 5 and the splicing plate 12 move outward under the action of the reset spring 8, and the sliding pin 11 returns to its original position along the slope of the sliding track 13, driving each splicing plate 12 to slide radially along the perforated plate 5 and close, sealing the through hole 20.

[0051] It also includes the following process: the detection frame 19 moves axially along the cable 2 as a whole, and is restricted by the elastic force of the connecting spring 16. The detection block 15 slides radially along the detection frame 19 at positions of different diameters on the cable. When the detection frame 19 reaches the damaged position, the detection block 15 at the corresponding position moves inward, causing the corresponding sensing element to move inward and be triggered, thereby identifying the damaged position of the cable.

[0052] Adaptive changes based on actual needs are all within the scope of protection of the present invention.

[0053] It should be noted that 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 present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and it is intended that all variations within the meaning and range of equivalents of the claims be encompassed within the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

[0054] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims

1. A charging gun, characterized in that: The cam is a member of a group of members which are connected to the guide rails of the present invention and are adapted to move relative to each other to move the cams and guide rails relative to the guide rails, the cams being arranged so that the cams can move relative to the guide rails and are adapted to move relative to the guide rails when the cams are in contact with the guide rails. The reset mechanism includes a reset rod and a reset spring sleeved on the reset rod, wherein the reset rod extends axially along the annular cylindrical structure, one end of the reset rod is connected to a position on the perforated plate that does not correspond to the splicing plate, and the other end is slidably inserted into the gun body, and the reset spring is connected between the perforated plate and the gun body; The sliding track is a strip-shaped slot provided on the inner surface of the side wall of the annular cylindrical structure, and the end of the sliding pin passes through the notch of the strip-shaped slot and extends into the strip-shaped slot; The strip-shaped slot includes an inclined section and a straight section connected in sequence from the perforated plate to the gun body. After the sliding pin moves along the inclined section and drives each splicing plate to separate, the sliding pin moves along the straight section and drives the splicing plates that remain in a separated state to pass over the power supply pin portion.

2. The charging gun according to claim 1, characterized in that An inner cavity is provided in the gun body, the end of the reset rod extends into the inner cavity, and is provided with a first stopper to prevent the reset rod from escaping from the inner cavity.

3. The charging gun according to claim 1 or 2, characterized in that: The end of the sliding pin is provided with a second stopper to prevent the sliding pin from escaping from the strip-shaped slot.

4. The charging gun according to claim 3, characterized in that: A plurality of elastically deformable hooks are arranged around the outer circumference of the gun body, and the hooks are provided with hook claws which are clamped on the object to be charged during charging.

5. The charging gun according to claim 4, characterized in that: The gun body is provided with a hook shaft for installing the hook, and the hook is provided with an electromagnet for driving it to rotate and separate the hook claw from the object to be charged, and a reset torsion spring is provided between the gun body and the hook for driving it to rotate and reset, and the torsional elastic force of the reset torsion spring on the hook is smaller than the magnetic force of the electromagnet on the hook.

6. A charging device using the charging gun according to any one of claims 1 to 5, characterized in that: The gun body is connected to a cable and also includes a detection frame surrounding the cable. The detection frame is provided with a plurality of detection blocks that can slide radially along the circumference, and the inner ends of the detection blocks are slidably connected to the surface of the cable. The inner ends of the detection blocks are provided with sensing elements for detecting the degree of damage to the cable. A connecting spring that maintains a tensioned state in real time is provided between two adjacent detection blocks, and the connecting spring is located on the outer circumference of the detection frame along the radial direction.

7. A charging method for a charging device, characterized in that: The charging device according to claim 6 includes the following steps: During charging: the gun body is aligned with the charging hole of the object to be charged and inserted. When the gun body contacts the object to be charged, the charging hole pushes the perforated plate and the splicing plates to overcome the elastic force of the return spring and move inward. During the movement of the perforated plate, the sliding pin moves along the slope of the sliding track and drives the splicing plates to gradually slide radially along the perforated plate, exposing the through holes on the perforated plate. As the perforated plate continues to move, the power supply pins gradually extend from the through holes and connect with the charging hole to charge the object to be charged. When charging is completed: the perforated plate and the splicing plate move outward under the action of the reset spring, the sliding pin resets along the slope of the sliding track, and drives each splicing plate to slide radially along the perforated plate and close, thereby sealing the through hole.

8. The charging method of the charging device according to claim 7, characterized in that: It also includes the following process: the detection frame as a whole moves axially along the cable, and is restricted by the elastic force of the connecting spring. The detection block slides radially along the detection frame at positions of different diameters on the cable. When the detection frame reaches the damaged position, the detection block at the corresponding position moves inward, causing the corresponding sensing element to move inward and be triggered, thereby identifying the damaged position of the cable.

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