CN214728260U

CN214728260U - Automatic electric pile that fills of AGV vehicle

Info

Publication number: CN214728260U
Application number: CN202120747286.5U
Authority: CN
Inventors: 吴维平; 梅亚泽; 陈小虎; 樊雨; 张小健
Original assignee: Shanghai Noblelift Intelligent Technology Co ltd; Noblelift Intelligent Equipment Co Ltd
Current assignee: Shanghai Noblelift Intelligent Technology Co ltd; Noblelift Intelligent Equipment Co Ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-11-16
Anticipated expiration: 2031-04-13

Abstract

The utility model relates to a AGV vehicle field, concretely relates to automatic electric pile that fills of AGV vehicle. The utility model discloses a following technical scheme can realize: the mobile charging device comprises a box body, a charging joint connected with the box body, and an energy storage device arranged in the box body, wherein a mobile charging device and a telescopic device are also arranged in the box body, the telescopic device is used for driving the mobile charging device to extend out of the box body, and the charging joint is arranged on the mobile charging device; the charging pile further comprises a movable plate which is pushed open when the mobile charging device extends out, and the movable plate is hinged with the box body. The utility model provides the high security that fills electric pile exposes the potential safety hazard that exists in the outside with reducing the joint that charges.

Description

Automatic electric pile that fills of AGV vehicle

Technical Field

The utility model relates to a AGV vehicle field, concretely relates to automatic electric pile that fills of AGV vehicle.

Background

An AGV (Automated Guided Vehicle) is a Vehicle equipped with an electromagnetic or optical automatic guide device. With the high-speed development of AGV vehicles, the AGV vehicles are increasingly widely applied in the field of logistics; accordingly, how to safely and reliably charge the AGV becomes important for research.

For example, chinese patent publication No. CN201720793144.6 discloses a charging pile and a charging system, the charging pile includes an electrode mounting base and an electrode assembly; for conveniently connecting the AGV, the motor assembly is exposed to the outside. The AGV and the charging pile work according to the working principle that the AGV vehicle sends a specified charging pile according to a system scheduling instruction; fill electric pile fixed, charge through AGV's automatic movement and electrode subassembly butt joint.

However, such a charging method has the following problems: 1. the AGV car is easy to collide and damage the charging pile; on one hand, the volume of the AGV body is larger than that of the charging pile, and the moving of the AGV body can generate larger inertia; on the other hand AGV is automatic guidance butt joint, if receive other interferences such as electromagnetism, can have the inaccurate problem in location to the AGV collides the electric pile of filling easily when removing, causes the damage of filling electric pile. In addition, the charging assembly of the charging pile is usually a sensitive and fragile metal assembly and is easily damaged by collision. 2. When the charging connector butted with the AGV car is not charged, the charging connector is completely exposed outside, so that great potential safety hazards exist; the charging connector exposed outside is easy to cause electric shock; if the charging connector is short-circuited, safety accidents such as fire, explosion and the like can be caused; leakage may also occur in a humid environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an AGV vehicle automatic charging pile, which hides a charging connector in the charging pile when the AGV vehicle is not charged, so that the potential safety hazard is reduced; the AGV car is initiatively docked through filling electric pile and charges it, improves the security of filling electric pile and avoids taking place the problem of violent collision.

The above technical purpose of the present invention can be achieved by the following technical solutions: an automatic charging pile for an AGV vehicle comprises a box body, a charging joint connected with the box body, and an energy storage device arranged in the box body, wherein a mobile charging device and a telescopic device are further arranged in the box body, the telescopic device is used for driving the mobile charging device to extend out of the box body, and the charging joint is arranged on the mobile charging device; the charging pile further comprises a movable plate which is pushed open when the mobile charging device extends out, and the movable plate is hinged with the box body.

Therefore, in order to improve the safety of the charging pile, on one hand, the damage of the charging pile caused by collision of the AGV with the charging pile during charging is avoided; on the other hand, the charging connector is prevented from being completely exposed outside, and the existing safety risk and the damage to the charging connector are avoided. This scheme provides an automatic electric pile that fills of AGV vehicle, the power distribution box comprises a box body, seted up on the box the fly leaf, the box is articulated the fly leaf. Install in the box and remove charging device, telescoping device and energy memory, the joint that charges is installed remove charging device is last, for realizing fill electric pile initiative butt joint AGV carries out the purpose of charging. The telescopic device can drive the mobile charging device to reciprocate along the box body, and the telescopic device drives the mobile charging device to push the movable plate away; and stretching out the box body, so that the charging connector is butted with the AGV and is charged. After the mobile charging device finishes charging, the telescopic device drives the mobile charging device to return into the box body, and the movable plate is closed; the charging connector is hidden in the box body, and therefore the safety of the charging pile is improved.

As the utility model discloses a preferred, be equipped with on the mobile charging device and be used for pushing open the elasticity backplate of fly leaf.

Therefore, the charging connector is protected, and the charging safety during charging is improved. Under the driving of the telescopic device 4, the elastic guard plate is in contact with the movable plate before the charging connector and pushes the movable plate away; the elastic guard plate has flexibility and is fully abutted against the AGV through self deformation; the charging connector is tightly connected with the AGV, so that the contact of the butt joint position is good, and the charging efficiency and the charging safety are improved.

Preferably, the elastic guard plate is a half-open frame structure.

Therefore, the elastic guard plate is of a half-opening frame structure, and when the elastic guard plate is in abutting connection with the AGV, a closed frame structure is formed between the elastic guard plate and the AGV; and the butt joint position of the charging joint and the AGV is not exposed in the charging process, so that the safety in the charging process is improved.

As the utility model discloses a preferred, remove charging device contains and is used for connecting the parallel plate one of telescoping device and is used for the installation the parallel plate two of joint charges, parallel plate one with connect through overvoltage protector between the parallel plate two.

Therefore, the accuracy of the butt joint of the charging connectors is improved, and the charging connectors are driven to be balanced. The charging connector is arranged on the second parallel plate, and the second parallel plate is connected with the first parallel plate through the overvoltage protection device; the parallel plate is connected with the telescopic device. The first parallel plate and the second parallel plate form a buffer layer, and after the driving force of the telescopic device is filtered and buffered, the driving force is transmitted to the charging connector, so that the charging connector is protected from being damaged due to overlarge impact force.

As the utility model discloses a preferred, overvoltage protector contains connecting rod and spring, spring one end is connected the connecting rod, the other end is connected parallel plate two.

Therefore, the second parallel plate is pushed to be close to the first parallel plate by the telescopic device, the spring is compressed under the extrusion of the second parallel plate, and a continuous abutting force is provided for the first parallel plate, so that the contact between the charging connector and the AGV is ensured, and the charging safety and the charging efficiency are improved.

Preferably, the second parallel plate is provided with a touch switch for controlling the telescopic device to stop moving.

In this way, the charging connector is protected against an overvoltage contact connection. When the parallel plate moves towards the first parallel plate, the end of the touch switch contacts the first parallel plate; the telescopic device stops pushing and is positioned at the current position. The touch switch may be a microswitch.

As the utility model discloses a preferred, the box relies on self return spare articulated the fly leaf, self return spare includes the hinge and connects the torsional spring of hinge.

In this way, the automatic closing of the flap is achieved. The box body is hinged with the movable plate by virtue of the automatic return piece, and the mobile charging device returns into the box body; the movable plate is automatically closed under the action of the automatic return piece. The automatic return piece comprises a hinge and a torsion spring, and the movable plate can be automatically closed under the action of the torsion spring. The hinge and the torsional spring are existing mature products and can be directly purchased.

As the utility model discloses a preferred, the telescoping device contains electric putter, electric putter with energy memory connects.

Therefore, the telescopic device and the charging connector share one set of energy storage device, so that the charging pile is more compact in structure; the electric push rod drives the mobile charging device to move, the electric push rod is connected with the energy storage device, and the energy storage device provides electric energy for the electric push rod.

As the utility model discloses a preferred, remove charging device rear end connection and be used for injecing the auxiliary positioning device of electric putter position, auxiliary positioning device contains and is used for passing telescoping device's baffle and being located electric putter's both sides are connected respectively two guide pillars of baffle.

Thereby, the position of the electric push rod is defined for stabilizing the connection of the mobile charging device and the telescopic device. The rear end of the mobile charging device is connected with the auxiliary positioning device; the auxiliary positioning device is connected with the box body. The auxiliary positioning device comprises two guide posts positioned on two sides of the electric push rod and the baffle plate connected with the two guide posts. The telescopic device penetrates through the auxiliary positioning device, and the baffle is provided with a hole which is convenient for penetrating through the telescopic device. The guide post extends in the horizontal front-back direction, and the extending direction is parallel to the direction of the electric push rod. The two guide columns and the electric push rod provide supporting force for the mobile charging device, so that the mobile charging device is convenient to stably connect and move, and the butt joint accuracy is improved.

To sum up, the utility model discloses following beneficial effect has:

1. the mobile charging device can extend out of the box body under the driving of the telescopic device to actively charge the AGV; when the mobile charging device is not charged, the mobile charging device is hidden and protected in the box body; the safety of the charging pile is improved, and potential safety hazards caused by the fact that the charging connector is exposed outside are reduced;

2. a semi-open frame-shaped elastic protection plate is arranged on the periphery of the charging connector, so that the charging connector is protected from being abutted against the movable plate; on the other hand, the elastic guard plate is in abutting connection with the AGV through self deformation, so that the charging connector is in tight abutting connection with the AGV, and the contact performance is guaranteed; secondly, the semi-open frame-shaped elastic guard plate forms a closed structure at the butt joint position, so that the safety in the charging process is improved;

3. the touch switch arranged on the parallel plate II prevents the electric push rod from moving, so that the damage of the charging connector caused by overvoltage contact connection of the charging connector is prevented;

4. the box body is hinged with the movable plate through the hinge and the torsional spring, so that the effect that the movable plate is automatically closed after the charging device is moved back to the box body without manual participation is achieved; the automatic degree of the charging pile is improved;

5. the auxiliary positioning device connected with the mobile charging device provides supporting force for the mobile charging device, so that the mobile charging device is convenient to stably connect and move, and the butt joint accuracy of the charging connector is improved.

Description of the drawings:

FIG. 1 is a schematic diagram of a first embodiment;

fig. 2 is a schematic structural diagram of the mobile charging device and the telescopic device.

In the figure:

1. the box, 2, the fly leaf, 3, remove charging device, 31, parallel plate one, 32, parallel plate two, 4, telescoping device, 41, electric putter, 42, hold a section of thick bamboo, 5, elasticity backplate, 6, the joint that charges, 7, auxiliary positioning device, 71, baffle, 72, guide pillar, 8, overvoltage protection device, 81, connecting rod, 82, spring, 9, touch and stop switch.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Embodiment 1, as shown in fig. 1, an automatic electric pile that fills of AGV vehicle includes box 1, has seted up fly leaf 2 on the box 1, and box 1 articulates fly leaf 2. The mobile charging device 3, the telescopic device 4 and the energy storage device are all arranged in the box body 1, the charging connector 6 is arranged on the mobile charging device 3, and the mobile charging device 3 is driven by the telescopic device 4 to push away the movable plate 2 to be actively butted with the AGV and charge the AGV; when not charging, remove charging device 3 and hide in box 1, fly leaf 2 closes, plays the effect of hiding the protection to removing charging device 3. Wherein, the fly leaf 2 optional organic glass door to conveniently observe 1 inner structure of box, also can adopt other material boards, the present case is not restricted. The energy storage device is fixedly arranged above the inside of the box body 1, and the internal space of the box body 1 is reasonably optimized. In order to facilitate the replacement and maintenance of the energy storage device, an upper cover plate is hinged above the box body 1; the upper cover plate can be opened to replace the energy storage device.

First, the AGV vehicle is automatically guided to a designated charging location, and the automatic guiding technology is a prior art, and the present disclosure is not limited thereto. The AGV vehicle is fixed, fills electric pile initiative and stretches out the joint 6 butt joint AGV that charges and charge. Specifically, the mobile charging device 3 pushes the movable plate 2 away to move close to the AGV under the driving of the telescopic device 4. As shown in fig. 2, fig. 2 is a specific configuration diagram of the mobile charging device 3 and the expansion device 4. The telescopic device 4 comprises an electric push rod 41 and a containing cylinder 42, the containing cylinder 42 is fixedly arranged in the box body 1, and the electric push rod 41 is embedded in the containing cylinder 42 and moves relative to the containing cylinder 42; the other end of the electric push rod 41 is connected with the mobile charging device 3. The electric push rod 41 and the charging connector 6 share one set of energy storage device; the telescopic device 4 may also be other devices, such as a hydraulic device, and the like, and the present disclosure is not limited. For improving stability, the mobile charging device 3 is further connected with an auxiliary positioning device 7, and the auxiliary positioning device 7 is connected with the box body 1. The auxiliary positioning device 7 comprises two guide posts 72 located on both sides of the electric push rod 41 and a baffle 71 connecting the two guide posts 72. Rubber shock absorption pads for contacting and connecting the mobile charging device 3 are arranged at four corners of the baffle 71, and play a role in buffering the mobile charging device 3 when the mobile charging device returns to the box body 1. The telescopic device 4 penetrates through the auxiliary positioning device 7, and a hole which is convenient for the telescopic device 4 to penetrate through is formed in the baffle plate 71. The guide post 72 extends in the horizontal front-rear direction, and the extending direction is parallel to the direction of the electric push rod 41. The two guide posts 72 and the electric push rod 41 provide a supporting force for the mobile charging device 3, so that the mobile charging device can be stably connected and moved conveniently, and the butt joint accuracy is improved.

The electric push rod 41 pushes the mobile charging device 3 to move forward continuously, so as to protect the charging connector 6 from being damaged. An elastic guard plate 5 is arranged on the periphery of the mobile charging device 3, and the elastic guard plate 5 can be of a half-opening frame structure and surrounds the mobile charging device 3. The elastic protection plate 5 is in contact with the movable plate 2 before the charging connector 6 and pushes away the movable plate 2, and the elastic protection plate 5 is flexible and fully abutted against the AGV through self deformation; therefore, the charging connector 6 is tightly connected with the AGV and well contacted, and the charging efficiency and the charging safety are improved. When the elastic guard plate 5 is abutted and connected with the AGV, a closed frame-shaped structure is formed between the elastic guard plate 5 and the AGV; therefore, the butt joint position of the charging connector 6 and the AGV is not exposed in the charging process, and the safety in the charging process is improved.

For guaranteeing the close contact of the joint 6 that charges and AGV on the one hand, on the other hand is for preventing both excessive pressure contact, causes the damage to the joint. The charging connector 6 is arranged on the second parallel plate 32, and the first parallel plate 31 is connected with the electric push rod 41; the first parallel plate 31 and the second parallel plate 32 are connected through an overvoltage protection device 8. The elastic piece 81 provides elastic support for the movement of the parallel plate II 32, and the elastic piece 81 can be a spring; one end of the spring is connected to the connecting rod 82, and the other end is connected to the parallel plate two 32. The first parallel plate 31 and the second parallel plate 32 form a buffer layer for filtering and buffering the driving force of the telescopic device 4; thereby improved the accuracy that the joint 6 that charges and connected, the protection simultaneously charges the joint 6 and does not receive too big impact force and receive the damage. In addition, a hole is formed in the second parallel plate 32 so as to facilitate the installation of the touch switch 9 and the penetration of a conducting wire connected with the charging connector 6; the tact switch 9 may be a micro switch. The touch switch 9 is used for limiting the position of the mobile charging device 3, when the end of the touch switch 9 contacts the parallel plate 31; the telescopic device 4 stops pushing the mobile charging device 3 to move, and the mobile charging device is positioned at the current position. The spring is compressed under the extrusion of the second parallel plate 32, and provides a continuous interference force for the first parallel plate 31, so that the charging connector 6 keeps current contact with the AGV, and the charging safety and the charging efficiency are improved.

After charging of the charging pile is completed, the mobile charging device 3 is driven by the telescopic device 4 to return into the box body 1. The box body 1 is hinged with the movable plate 2 through an automatic return piece, and the automatic return piece is a hinge and a torsional spring connected with the hinge; the movable plate 2 can be automatically closed under the action of the torsion spring, and the automatic return piece can also adopt other connecting pieces capable of automatically closing the movable plate 2, so that the scheme is not limited. The torsion spring and the hinge are both existing mature products and can be directly purchased. That is, the effect that the movable plate 2 is automatically closed after the mobile charging device 3 is returned to the box body 1 without human intervention is formed.

Based on this technical scheme, realize filling electric pile initiative butt joint AGV vehicle and carry out the purpose of charging. The movable charging device 3 pushes the movable plate 2 open under the driving of the telescopic device 4, and is directly in butt joint with the AGV for charging; after the charging is finished, the mobile charging device 3 returns to the charging pile; the movable plate 2 is automatically closed, so that the charging connector is protected and hidden; the whole process does not need manual participation, and the charging safety of the AGV is improved; simple structure and easy implementation.

Claims

1. An automatic charging pile for AGV vehicles comprises a box body (1), a charging connector (6) connected with the box body (1), and an energy storage device installed in the box body (1), and is characterized in that a mobile charging device (3) and a telescopic device (4) are further installed in the box body (1), the telescopic device (4) is used for driving the mobile charging device (3) to extend out of the box body (1), and the charging connector (6) is installed on the mobile charging device (3); the charging pile further comprises a movable plate (2) which is pushed away when the movable charging device (3) extends out, and the movable plate (2) is hinged with the box body (1).

2. The AGV vehicle automatic charging pile according to claim 1, wherein said movable charging device (3) is provided with an elastic guard plate (5) for pushing said movable plate (2) open.

3. The AGV vehicle automatic charging pile according to claim 2, characterized in that the elastic guard (5) is a half-hatch frame structure.

4. The AGV vehicle automatic charging pile according to claim 1 or 2, characterized in that the mobile charging device (3) comprises a first parallel plate (31) for connecting the telescopic device (4) and a second parallel plate (32) for installing the charging connector (6), and the first parallel plate (31) and the second parallel plate (32) are connected through an overvoltage protection device (8).

5. The AGV vehicle automatic charging pile according to claim 4, wherein the overvoltage protection device (8) comprises a connecting rod (81) and a spring (82), one end of the spring (82) is connected with the connecting rod (81), and the other end of the spring is connected with the parallel plate II (32).

6. The AGV vehicle automatic charging pile according to claim 4, wherein a touch switch (9) for controlling the telescopic device (4) to stop moving is installed on the parallel plate two (32).

7. The AGV vehicle automatic charging pile according to claim 1, characterized in that the box (1) is hinged to the movable plate (2) by means of an automatic return member, and the automatic return member comprises a hinge and a torsion spring connecting the hinge.

8. The AGV automatic charging pile according to claim 1, characterized in that the telescopic device (4) comprises an electric push rod (41), the electric push rod (41) being connected to the energy storage device.

9. The AGV vehicle automatic charging pile according to claim 8, wherein an auxiliary positioning device (7) for defining the position of the electric pushing rod (41) is connected to the rear end of the mobile charging device (3), and the auxiliary positioning device (7) comprises a baffle (71) for passing through the telescopic device (4) and two guide posts (72) which are located at both sides of the electric pushing rod (41) and are respectively connected to the baffle (71).