阅读说明：本技术 一种充电接口装置及agv小车 (Interface arrangement and AGV dolly charge ) 是由 李欣欣 胡国闯 孔德勇 刘晓辉 李建平 熊渊 孙庆果 陈怡� 李瑶 崔艳磊 于 2019-09-24 设计创作，主要内容包括：本发明有关于一种充电接口装置,包括充电固定端和通过尾部的弹性结构实现浮动的充电浮动端；所述固定端和浮动端中的其中一端固定在移动装置上,另一端固定在固定装置上；所述浮动端和固定端的连接器前端通过多级对插引导结构实现自动对接；所述浮动端和固定端的连接器内对插的公母针包括具有导电功能的电源针和具有控制功能的信号针。本发明充电浮动端和充电固定端设计多级引导结构,保证引导到位后充电公母针开始配合接触,实现公母针插拔柔和,从而大幅度提高充电装置的充电寿命。(The invention relates to a charging interface device, which comprises a charging fixed end and a charging floating end, wherein the floating charging floating end is realized through an elastic structure at the tail part; one end of the fixed end and the floating end is fixed on the moving device, and the other end of the fixed end and the floating end is fixed on the fixing device; the front ends of the connectors of the floating end and the fixed end are automatically butted through a multi-stage butting guide structure; the male pin and the female pin which are inserted in the connectors of the floating end and the fixed end comprise a power pin with a conductive function and a signal pin with a control function. The charging floating end and the charging fixed end of the invention are designed with a multi-stage guide structure, so that the charging male and female pins start to be matched and contacted after being guided in place, and the soft insertion and extraction of the male and female pins are realized, thereby greatly prolonging the charging life of the charging device.)

1. A charging interface device, characterized in that: the charging device comprises a charging fixed end and a charging floating end which realizes floating through an elastic structure at the tail part; one end of the fixed end and the floating end is fixed on the moving device, and the other end of the fixed end and the floating end is fixed on the fixing device; the front ends of the connectors of the floating end and the fixed end are automatically butted through a multi-stage butting guide structure; the male pin and the female pin which are inserted in the connectors of the floating end and the fixed end comprise a power pin with a conductive function and a signal pin with a control function.

2. The charging interface device of claim 1, wherein: the connector of the floating end is fixed on the supporting structure through the elastic structure at the tail part of the connector, an insulating shell is arranged in the outer shell at the front end of the floating end connector, and the insulating shell of the floating end connector is matched with the insulating shell of the fixed end connector in a concave-convex guiding manner.

3. The charging interface device of claim 2, wherein: and the insertion end faces of the fixed end connector insulating shell and the floating end insulating shell are respectively provided with a guide angle.

4. The charging interface device of claim 2, wherein: the fixed end connector is positioned in the fixed installation shell, and a large guide angle inclining towards the fixed end connector shell body along the inserting direction is arranged on the inner side of the front end face of the fixed installation shell.

5. The charging interface device of claim 4, wherein: and an insertion groove for inserting the floating end connector shell is arranged between the fixed end connector shell and the fixed mounting shell.

6. The charging interface device of claim 2, wherein: the fixed end connector and the floating end connector are inserted and guided through the guide columns and the guide grooves which are arranged at the front ends of the outer shells or the insulating shells and matched with each other in a guiding mode.

7. The charging interface device of claim 2, wherein: the fixed end connector insulating shell and the floating end connector insulating shell are both of two-body buckling type structures which can meet the floating fine adjustment requirement that the power pin and the signal pin which are arranged in the fixed end connector insulating shell and the floating end connector insulating shell are prevented from being in rigid butt joint.

8. The charging interface device of claim 7, wherein: the two-body buckling structure comprises an upper insulator and a lower pressing plate which are buckled up and down, the head parts of the power needle and the signal needle are positioned in the upper insulator, the tail part penetrates out of the lower pressing plate, and the upper end face of the lower pressing plate is pressed on the lower end face of the tail flange plate.

9. The charging interface device of claim 1, wherein: wherein the tail elastic structure consists of one or more springs.

10. The utility model provides an AGV dolly interface arrangement that charges which characterized in that: the charging interface device consists of a floating end and a fixed end as claimed in any one of claims 1 to 9, and the floating end and the fixed end are fixed on the AGV trolley at one end and on the charging pile at the other end.

Technical Field

The invention relates to the technical field of charging interfaces, in particular to a charging interface device and an AGV (automatic guided vehicle) using the same.

Background

AGV (automated Guided vehicle) vehicles have been widely used in various fields and industries. The AGV charging method has the advantages that manual operation charging is frequently needed in the application process of a plurality of AGV vehicles, convenience of equipment can be reduced, and meanwhile, the AGV vehicles need frequent charging to keep power performance of the AGV vehicles, so that very high requirements are met on the service life of a charging interface device.

AGV charging interfaces of various companies in the market are various and complicated, and the conventional AGV charging interface device has no unified standard or standard connector and also has the following defects; (1) the conventional AGV charging interface device cannot automatically guide butt joint, and needs manual operation to meet the frequent charging requirement; (2) the service life of the conventional AGV charging interface device is short, and the high-frequency lasting charging requirement cannot be met.

Disclosure of Invention

The full charging interface device provided by the invention realizes the automatic guide butt joint and long-service-life charging performance of the charging interface.

The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The charging interface device provided by the invention comprises a charging fixed end and a charging floating end which floats through an elastic structure at the tail part; one end of the fixed end and the floating end is fixed on the moving device, and the other end of the fixed end and the floating end is fixed on the fixing device; the front ends of the connectors of the floating end and the fixed end are automatically butted through a multi-stage butting guide structure; the male pin and the female pin which are inserted in the connectors of the floating end and the fixed end comprise a power pin with a conductive function and a signal pin with a control function.

The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.

In the charging interface device, the connector of the floating end is fixed on the support structure through the elastic structure at the tail part of the connector, an insulating shell is arranged in the outer shell at the front end of the floating end connector, and the insulating shell of the floating end connector is in concave-convex guiding fit with the insulating shell of the fixed end connector.

In the charging interface device, the insertion end faces of the fixed end connector insulating shell and the floating end insulating shell are provided with guide angles.

In the charging interface device, the fixed-end connector is located in the fixed mounting housing, and a large guide angle inclining towards the fixed-end connector housing body along the inserting direction is arranged on the inner side of the front end face of the fixed mounting housing.

In the charging interface device, an insertion groove for inserting the floating end connector shell is formed between the fixed end connector shell and the fixed mounting shell.

In the charging interface device, the fixed end connector and the floating end connector are inserted and guided by the guide post and the guide groove which are arranged at the front end of the outer shell or the front end of the insulating shell and matched with each other in a guiding manner.

In the charging interface device, the fixed end connector insulating shell and the floating end connector insulating shell are both of two-body buckling type structures, and the two-body buckling type structures meet the floating fine adjustment requirement that the power pins and the signal pins installed in the two-body buckling type structures avoid rigid butt joint.

In the charging interface device, the two-body fastening structure includes an upper insulator and a lower pressing plate fastened up and down, the power pin and the signal pin head are located in the upper insulator, the tail portion of the power pin penetrates out of the lower pressing plate, and the upper end face of the lower pressing plate is pressed on the lower end face of the tail flange.

In the aforementioned charging interface device, the tail elastic structure is composed of one or more springs.

The purpose of the invention and the technical problem to be solved can also be realized by adopting the following technical scheme. According to the AGV trolley charging interface device provided by the invention, the charging interface consists of the floating end and the fixed end, one end of the floating end and one end of the fixed end are fixed on the AGV trolley, and the other end of the floating end and the fixed end are fixed on the charging pile.

Compared with the prior art, the invention has obvious advantages and beneficial effects. By means of the technical scheme, the invention can achieve considerable technical progress and practicability, has wide industrial utilization value and at least has the following advantages:

the multi-stage guide structure is designed at the charging floating end and the charging fixed end, so that the charging male and female pins start to be matched and contacted after the guide is in place, and the male and female pins are inserted and pulled softly, so that the charging service life of the AGV vehicle is greatly prolonged.

Drawings

FIG. 1 is a schematic structural diagram of a floating terminal of a charging interface device according to the present invention;

FIG. 2 is a schematic view of a fixed end of the charging interface device according to the present invention;

FIG. 3 is a front view of the fixed-end connector of the charging interface device according to the present invention;

FIG. 4 is a partial cross-sectional view of a stationary end connector of the charging interface device according to the present invention;

fig. 5 is a partial sectional view of the floating end connector of the charging interface device of the present invention.

[ description of main element symbols ]

1: floating end

11: plug with a locking mechanism

12: tail elastic structure

13: support structure

Rectangular shell of front end of 111 plug

112: guiding groove

113 plug inserting face casing

114: female needle

115: upper insulator of plug

116: lower pressing plate of plug

2: fixed end

21: socket with improved structure

22: fixed mounting shell

221: large guide angle

222: insertion groove

211: guide post

212: socket insertion surface shell

213: male pin

214: socket upper insulator

215: lower pressing plate of socket

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the charging interface device according to the present invention with reference to the accompanying drawings and preferred embodiments will be made to show the following detailed descriptions.

Please refer to fig. 1-5, which are schematic structural diagrams of various parts of a charging interface device of the present invention, the device includes a floating end 1 and a fixed end 2 with opposite insertion at front ends, the floating end 1 or the fixed end 2 is fixed on a mobile device, and the other end is fixed on a charging pile, wherein the floating end 1 is floated by a tail elastic structure 12, the fixed end is provided with a guide angle structure, and the opposite insertion is gradually guided by a multi-stage opposite insertion guide structure including guide angle guide, column guide, concave-convex guide and the like when the two ends are inserted, so as to realize automatic opposite insertion of the charging interface.

In the embodiment of the present invention, the floating end 1 is fixed on the supporting structure 13 through the tail elastic structure 12, and an insulating housing is arranged in the plug front end outer housing 111 of the floating end 1, the front end of the insulating housing is a plug insertion surface outer housing 113 matched with the socket end insulating housing, and a female pin 114 is arranged in the plug insulating housing. The tail spring structure 12 is comprised of one or more springs. The front end of the plug outer shell or the insulation shell is also provided with a guide groove 112.

The charging fixing end 2 comprises a socket 21 and a fixing and mounting shell 22 for mounting and fixing the socket, a large guiding angle 221 inclined towards the outer shell of the socket 21 along the insertion direction is arranged on the front end inner end face of the fixing and mounting shell 22, and an insertion groove 222 matched with the shape of the plug front end outer shell 111 is arranged between the fixing and mounting shell 22 and the outer shell of the socket 21, so that the plug front end outer shell is inserted into the insertion groove 222 under the guiding of the large guiding angle 221. An insulating shell is arranged in the outer shell of the socket 21, and a male pin 213 is arranged in the insulating shell. The front end of the outer shell or the insulating shell of the socket 21 is provided with a guide post 211 which is matched with the guide groove 112 in a guiding way.

The part of the front end of the socket insulating shell, which is plugged with the plug end, is a socket plugging-in surface outer shell 212, and the socket plugging-in surface outer shell 212 is in concave-convex guiding fit with the plug plugging-in surface outer shell 111. In the embodiment of the present invention, the outer housing 212 of the socket mating surface is a cylindrical portion of the front end of the socket housing, and the inner side and the outer side of the front end surface of the cylindrical portion are provided with guide angles. The plug-in-plane outer shell 111 is provided with a groove for accommodating the socket-in-plane outer shell 212 therein, and when the plug and the socket are inserted, the socket-in-plane outer shell 212 is inserted into the plug-in-plane outer shell 111 under the guidance of the front end guide angle thereof.

In the embodiment of the present invention, the socket insulating housing and the plug insulating housing are both of a two-piece fastening structure, wherein the socket insulating housing includes a socket upper insulator 214 having a plurality of male pin mounting holes at an upper portion thereof, and a socket lower pressing plate 215 fastened to a lower end of the socket upper insulator 214, and a gap is formed between the socket lower pressing plate 215 and the socket upper insulator 214. The upper insulator 214 has an outer shell 212 for receiving the socket. The needle head of the male needle 213 is located in the male needle mounting hole in the upper insulator 214 of the socket, the front end of the tail handle part is located in the upper insulator 214 of the socket, the rear end face of the flange plate at the front end of the tail handle is abutted against the front end face of the lower pressure plate 215, the rear end of the tail handle is arranged in the lower pressure plate in a penetrating mode, and the tail handle extends out of the lower pressure plate.

The plug insulating shell comprises a plug upper insulating body 115 and a plug lower pressing plate 116, wherein the upper portion of the plug upper insulating body 115 is provided with a plurality of female pin mounting holes, the plug lower pressing plate 116 is buckled at the lower end of the upper insulating body, and a gap is reserved between the plug upper insulating body 115 and the plug lower pressing plate 116. The female pin 114 is located in a mounting hole in the upper insulator of the plug, a flange is arranged at the tail of the female pin, the upper end face of the lower pressing plate 116 of the plug is pressed on the lower end face of the flange of the female pin, and the tail of the female pin penetrates through the lower pressing plate 116 of the plug and extends out of the lower pressing plate.

The male pin and the female pin are fixed by adopting the structure of fastening the two bodies in a clearance manner, so that the male pin and the female pin have certain displacement along the radial direction of the male pin and the female pin, and when the male pin and the female pin are slightly deflected during installation and fixation, the male pin and the female pin can be well adjusted through insertion and guide, the male pin and the female pin are prevented from just contacting each other, the damage and the failure of the female pin are reduced, and the charging life is prolonged.

The invention also discloses a plug, wherein a groove matched with an insulator which separates adjacent male pin mounting holes in the upper insulator of the socket is arranged between adjacent female pin mounting holes in the upper insulator of the plug, and insertion guide angles are arranged at the periphery of the end surface of the upper part of the insulator which separates the adjacent male pin mounting holes in the upper insulator of the socket. And an insertion guide angle is also arranged on the inner peripheral surface of the upper end of the male pin mounting hole in the socket insulator. And guide angles are arranged at the insertion surfaces of the upper part of the insulator on the upper part of the plug.

In the embodiment of the present invention, the plug front end outer housing 111 is a rectangular housing, and the insertion groove 222 is a corresponding rectangular groove. In other embodiments, the plug front end outer housing 111 and the insertion groove 222 have a circular or diamond shape, but are not limited thereto.

In the embodiment of the present invention, the plug guide grooves 112 and the receptacle guide posts 211 are circular grooves and circular posts that are fitted to each other. In other embodiments, the plug guide slots 112 and the receptacle guide posts 211 are rectangular posts of rectangular slots or shaped slots and shaped posts that fit together, but are not limited thereto.

The plug and socket male and female pins not only comprise charging function pins for realizing a charging function, but also comprise signal pins for realizing a control function.

In the present embodiment, the floating end 1 is mounted to the charging pile end via a support structure 13 and the fixed end 2 is mounted to the AGV car end, but in other embodiments the mounting ends of the floating and fixed ends may be interchanged.

The automatic guiding and butting process of the charging interface device comprises the following steps: when the AGV needs to be charged due to low electric quantity, the control system controls the AGV to automatically search the charging floating end 1, and the charging fixed end 2 and the charging floating end 1 are slowly pushed and inserted after being positioned. The rectangular outer shell 111 at the front end of the plug and the rectangular insertion groove 222 of the outer shell can automatically butt joint through the axial and radial floating of the tail elastic structure 12 and the large guide angle 221.

The multistage guiding, inserting and combining in-place process of the charging interface device comprises the following steps: through the first-step guiding of the floating end tail elastic structure 12 and the fixed end large guiding angle 221, after the rectangular shell 111 at the front end of the plug is automatically butted with the rectangular insertion groove 222 of the shell, in the process of continuing inserting and closing, the insertion groove 112 and the guiding column 211 start the second-step guiding, the shell 113 of the plug inserting and closing surface and the shell 212 of the socket inserting and closing surface start the third-step guiding, and finally, the female pin 114 and the male pin 213 start aligning, inserting and closing and contacting, so that the whole charging loop is realized.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.