CN-121990425-A - New energy automobile charging gun retraction device and application method

CN121990425ACN 121990425 ACN121990425 ACN 121990425ACN-121990425-A

Abstract

The invention relates to the technical field of auxiliary equipment of charging piles and discloses a charging gun retraction device for a new energy automobile and a use method thereof, wherein the device comprises a mounting frame, one side of the mounting frame is provided with an active wire extruding wheel and a passive wire extruding wheel, the active wire extruding wheel is driven by a speed reducing motor, and the passive wire extruding wheel approaches the active wire extruding wheel through an elastic structure; the sensing wheel is positioned at the front side of the active wire extruding wheel and is arranged on the sliding block of the potentiometer assembly which only plays a bearing role, and the mounting frame is also provided with a guide wheel and a front guide block and a rear guide block. The using method comprises paying-off operation, charging state judgment, paying-off triggering verification and automatic paying-off homing, and a manager linkage homing step can be added. The automatic wire winding device realizes automatic wire winding of the charging gun through motor driving and double verification, is anti-exposure, safe and accurate in wire winding, ensures labor-saving and smooth wire winding through cooperation of the sensing wheel and the position sensor and cooperation of a cooperative algorithm, is adaptive to the existing charging pile, and is adjustable in parameters and wide in application.

Inventors

WANG XITAO
Lv Yushi
CHEN LAN
ZHENG YAWEN
WANG ZHIFANG
YAN KAI
PAN GUANGXU
SHI KAI
Pei Liwei
LI JING
HU JUN
DONG JIQIANG
ZHENG YU

Assignees

国网山东省电力公司日照供电公司

Dates

Publication Date: 20260508
Application Date: 20260212

Claims (10)

1. New energy automobile rifle receive and releases device that charges, its characterized in that includes: the device comprises a mounting frame (1) with a mounting bearing function, wherein one side of the mounting frame (1) is provided with an active wire extruding wheel (2) and a passive wire extruding wheel (3) which are distributed up and down, the active wire extruding wheel (2) is driven by a speed reducing motor (6), and the passive wire extruding wheel (3) approaches the active wire extruding wheel (2) under the action of an elastic structure so as to ensure that enough friction force is provided; The sensing wheel (4) is positioned at the front side of the active wire extrusion wheel (2), the sensing wheel (4) is arranged on a sliding block of the potentiometer assembly (10), and the potentiometer assembly (10) is arranged on a mounting frame (1) at the same side of the active wire extrusion wheel (2); The guide wheel (5), the guide wheel (5) is installed in the rotation of initiative crowded line wheel (2) homonymy on mounting bracket (1), charging gun cable is followed clockwise and is followed preceding guide block (9) and stretch out after bypassing guide wheel (5).
2. The charging gun retraction device for the new energy automobile according to claim 1, wherein the passive wire extruding wheel (3) is rotatably installed on the installation frame (1) through an installation swinging frame (31), and a spring is arranged between the installation swinging frame (31) and the spring hanging pile (7).
3. The charging gun retraction device for the new energy automobile according to claim 1, further comprising a housing arranged outside, wherein the front and rear of the housing are provided with holes for a charging gun cable to pass through, the wire inlet hole at the rear side of the housing is provided with a rear guide block (8), the rear guide block (8) is fixedly installed on the installation frame (1), and the front guide block (9) is positioned at one side of the housing where the hole appears.
4. The charging gun retraction device for the new energy automobile according to claim 3, wherein the speed reducing motor (6) is controlled by a single chip microcomputer, and the single chip microcomputer is electrically connected with the charging pile main body (100).
5. The application method of the new energy automobile charging gun winding and unwinding device is characterized in that a wire inlet hole behind a charging gun cable device shell enters, a cable path is formed by a rear guide block (8), a part between an active wire extruding wheel (2) and a passive wire extruding wheel (3), the lower circumference part of an induction wheel (4), the upper circumference part of a guide wheel (5) and a front guide block (9), and finally the charging gun extends out of the wire outlet hole of the shell, and is inserted into an interface of a charging pile main body (100) before daily charging; the using method comprises the following steps: The method comprises the steps of S1, paying off operation, namely holding a charging gun by a user, applying pulling force to pull the charging gun outwards, collecting displacement variable quantity and time change data of displacement in real time by a position sensor on an induction wheel (4), and transmitting the original collected data to a singlechip; S2, judging the charging state, namely after the charging gun is inserted into a charging port of a vehicle, extruding and triggering a buckle at the socket position of the charging gun, feeding back a disconnection signal by a buckle sensor, and simultaneously monitoring that current passes through a cable by a gun head sensor, wherein the system judges that the charging gun is in a use state and does not trigger a wire-collecting instruction; s3, triggering verification by taking up wires, namely pulling out a charging gun by a user after charging is finished, resetting a buckle switch, feeding back a closing signal by a buckle sensor, and starting double verification by a system, wherein the closing state of the buckle switch is continuously monitored, and the current condition in a cable is monitored by a gun head sensor; And S4, automatically winding and returning, wherein if the system monitors that the buckle switch is kept closed and no current passes through the cable, the charging gun is judged to be in an unreduced idle state, the speed reducing motor (6) is triggered to start, the speed reducing motor (6) drives the active wire extruding wheel (2) to operate forward, and the passive wire extruding wheel (3) is matched with the active wire extruding wheel under the action of the elastic structure to generate friction force, so that the charging cable is driven to be orderly retracted until the charging gun is accurately returned to the storage position at the front end of the winding device.
6. The method for using the charging gun retraction device for the new energy automobile according to claim 5, wherein the data acquisition in S1 is specifically that the sensing wheel (4) generates up-and-down displacement along with the pulling of a cable, a position sensor on the sensing wheel synchronously acquires time variation data of displacement variation, displacement starting time and displacement ending time, raw data are transmitted to a singlechip in real time, and the singlechip is combined with prestored displacement calculation parameters to calculate displacement variation and real-time pulling speed data.
7. The method for using the charging gun retraction device for the new energy automobile according to claim 6, wherein the single chip microcomputer in S1 takes displacement variation, real-time pulling speed data and a preset conventional acceleration range of a user as core inputs, calculates real-time acceleration and average acceleration pulled by the user, calculates dynamic compensation quantity by combining a proper coefficient and an acceleration compensation coefficient, and finally generates a motor target speed instruction to control the operation of the gear motor (6).
8. The method for using the charging gun retraction device for the new energy automobile according to claim 5, wherein the passive wire extrusion wheel (3) provides elastic acting force through a spring arranged between the swinging frame (31) and the spring hanging pile (7), so that the passive wire extrusion wheel (3) approaches to the active wire extrusion wheel, and enough friction force is generated between the cable and the two wheels.
9. The method for using the charging gun retraction device for the new energy automobile according to claim 5, wherein in the step S4, when the charging gun is accurately reset to the retraction position at the front end of the wire retraction device, the charging gun touches a limit sensor of a preset retraction position at the front end of the wire retraction device, a limit sensor feeds back a positioning signal, the singlechip controls the gear motor (6) to stop running, and the charging gun is accurately reset to the retraction position at the front end of the wire retraction device.
10. The method for using the charging gun retraction device of the new energy automobile according to claim 9 is characterized by further comprising the operation steps of linkage homing with a manager, wherein when the in-place signal fed back by the limit sensor and the closing signal fed back by the buckle sensor in S4 are transmitted to the single chip microcomputer, when the single chip microcomputer detects that the in-place signal duration of the limit sensor exceeds the triggering threshold time and the buckle sensor still keeps the closing signal, the single chip microcomputer judges that the charging gun is temporarily homing to the front end of the wire retraction device and transmits the judging result to the charging pile main control module, the charging pile main control module receives the judging result of the single chip microcomputer and then sends a notification instruction to the manager terminal through the built-in 4G or NB-IoT communication module, the notification instruction comprises an equipment number, the physical position of the charging pile, the temporary homing time of the charging gun and an operation prompt for inserting the charging gun into the charging pile main body housing position, after the manager goes to the site, the charging gun at the front end of the wire retraction device is pulled out and inserted into the designated housing position of the charging pile main body, the buckle switch is extruded, the disconnected signal fed back by the buckle sensor is transmitted to the single chip microcomputer to the main control module, the state of the charging pile main control module is completely reset to the charging pile main control module through the built-in, and the communication module is completely reset to the charging pile main control module, and the state of the charging pile main control module is completely reset to the charging pile main control module is completely reset, and the charging pile main control module is completely reset to the charging pile main charging station is completely.

Description

New energy automobile charging gun retraction device and application method Technical Field The invention relates to the technical field of charging pile auxiliary equipment, in particular to a short-rod live working device and a working method of a power distribution network. Background Along with the promotion of global energy transformation and double-carbon targets, new energy automobiles serve as core carriers of green traffic, the industrial scale achieves explosive growth, the holding quantity of the global new energy automobiles breaks through hundreds of millions, the market permeability is continuously increased in China serving as a first country of new energy automobile production and marketing, and the charging pile serves as a core supporting infrastructure for supporting industrial development, the construction scale and coverage range of the charging pile are continuously enlarged, and the charging network with the maximum global regulation has been built up to the present. The convenience in use, operation safety and operation reliability of the charging pile not only directly influence the travel experience of users, but also determine key factors of the popularization speed of new energy automobiles and the safety of energy supply, and are highly concerned by industries and consumers. However, the charging gun retraction structure of the mainstream charging pile in the current market still has a plurality of technical short plates, and is difficult to adapt to increasingly growing use demands and diversified application scenes, namely, the charging gun cable has the characteristics of large weight and poor flexibility because of meeting the requirement of large current transmission, and after the charging of a user is finished, the charging gun is thrown at will on the ground, beside the charging pile or at the edge of a awning and the like because of laborious recycling operation and insufficient homing consciousness. Even if the field charging pile is provided with a canopy for shielding, the random throwing action still can lead to the charging gun and the cable to be directly exposed in environments such as rain, sun, sand dust and the like, the charging gun interface is easy to be corroded by the environment or the ground friction and damaged due to the fact that the rain is wetted and sun-cured, the cable insulation layer is easy to cause safety accidents such as electric leakage and short circuit and the like, the safety of pedestrians and vehicles is threatened, the service life of the core part of the charging pile is greatly shortened, and the maintenance cost of an operator is increased. Therefore, a new energy automobile charging gun retraction device and a using method thereof are needed to solve the above problems. Disclosure of Invention The invention provides a new energy automobile charging gun winding and unwinding device and a using method thereof, wherein automatic winding of a charging gun is realized through motor driving and double verification, exposure prevention and safety are realized, winding is accurate, a sensing wheel and a position sensor are matched with a cooperative algorithm to enable paying-off to be labor-saving and smooth, and the device is applicable to existing charging piles, and has adjustable parameters and wide application. In order to achieve the above purpose, the technical scheme of the invention is as follows: New energy automobile rifle receive and releases device that charges includes: the device comprises a mounting frame with a mounting bearing function, wherein one side of the mounting frame is provided with an active wire extruding wheel and a passive wire extruding wheel which are distributed up and down, the active wire extruding wheel is driven by a speed reducing motor, and the passive wire extruding wheel approaches the active wire extruding wheel under the action of an elastic structure so as to ensure that enough friction force is provided; the sensing wheel is positioned at the front side of the active wire extruding wheel, the sensing wheel is arranged on a sliding block of the potentiometer assembly, and the potentiometer assembly is arranged on a mounting frame at the same side of the active wire extruding wheel; The guide wheel is rotatably arranged on the mounting frame on the same side of the driving wire extruding wheel, and the charging gun cable stretches out from the front guide block after clockwise winding around the guide wheel. As a preferable scheme of the invention, the passive wire extruding wheel is rotatably arranged on the mounting frame through the mounting swing frame, and a spring is arranged between the mounting swing frame and the spring hanging pile. As a preferable scheme of the invention, the charging gun also comprises a shell arranged outside, wherein the front and the rear of the shell are provided with holes for the charging gun cables to pass through, the wire inlet hole at the rear side of the