286results about How to "Realize automatic charging" patented technology

The invention discloses an aircraft automatic location charging device and a method for landing and location through the same. The device comprises a stopping plate and a charging box and charging sliding rails which are arranged on the stopping plate. A beacon is arranged on the charging sliding rail, and rising and falling frame fixing units are arranged on the two sides of the each charging sliding rail. A battery and charging conduit conveying units are arranged in the charging box. Each charging conduit conveying unit comprises a support, a rotatable gear arranged at the top end of the support and a charging conduit. Linear sawtooth rods are fixed on the sides of the charging conduits, and sawteeth of the sawtooth rods are matched with teeth of the gears. By means of the device and the method, aircrafts can look for chargeable places to supplement power when power is insufficient, manual intervention and adjustment are not needed, the technical requirement of position aligning is reduced, and the device and the method are quite practical.

The invention relates to the technical field of automatic charging, and provides an automatic charging method and device as well as terminal equipment. The method comprises the following steps that the current geographic position of a robot is acquired; the geographic position of a target preset charging pile and the geometric information of the target preset charging pile are acquired; the geographic position of the charging pile is preset according to the target, the robot is navigated to the alignment point of the target preset charging pile, and the alignment point is used for expressing the position for carrying out pose adjustment on the robot; the position and the angle of the target preset charging pile relative to the robot are obtained at the alignment point; the pose adjustmentis carried out on the robot, and the position alignment operation of the robot and the target preset charging pile is completed; the robot is indicated to move linearly to the target preset charging pile according to the angle which is aligned with the position, so that a charging interface of the robot can be connected with a power interface of the target preset charging pile, and the robot is charged.

Provided is an in-car air quality monitoring and purification regulating system. A storage battery and three devices respectively powered by the storage battery are installed in a car. The three devices are a ventilating device, an adsorption and filtering device and a heating device. A temperature and humidity sensor, a formaldehyde sensor, a carbon monoxide sensor, a total volatile organic compound sensor and an inhalable particle sensor which are installed in the car are respectively connected with a system control module, and the system control module comprises a sensor signal processing circuit and a power supply on-off control circuit for the three devices. The system can monitor indexes such as in-car air quality and temperature and humidity in real time and start the three devices according to the index overproof conditions; the indexes can also be uploaded through the wireless network to a mobile by the system control module to be displayed in real time; the mobile phone can send instructions to the system control module according to users' requirements to start or shut down the three devices in real time, and purification adjustment of in-car air is achieved.

The invention discloses a photovoltaic panel fault positioning method based on an unmanned aerial vehicle (UAV) and a thermal imaging technology. The method includes the following steps: adopting a thermal imaging camera carried by a multi-rotor UAV to obtain an infrared image of a photovoltaic panel in the air, and adopting an onboard processor to process the infrared image and judge whether theinfrared image has a hot spot fault; calculating an optimal inspection path of the UAV, and ensuring that the UAV is on a planned inspection path by correcting the location during the flight; acquiring the real-time location of the UAV through onboard positioning equipment, and when the fault is found, combining the location of the UAV (latitude and longitude information) and the location of the fault in the image to position the fault location, and storing and uploading relevant information; and implementing precise spot landing and automatic charging of the UAV through a ground marker, and further achieving the automation of the whole process. According to the photovoltaic panel fault positioning method disclosed by the invention, the fault detection and positioning of the photovoltaic panel can be performed intelligently and efficiently, and the purpose of operation and maintenance of a photovoltaic power station can be achieved.

The invention discloses an autonomous navigation and automatic charging method for a service robot in a bank hall environment. The method comprises particular steps: when a robot needs to be deployed in a new bank hall, the robot is firstly remotely controlled to scan each area of the hall, a map is built, and task points are set according to business handling demands; in use, a navigation system guides the robot to a target point according to self positioning and a target task point position obtained through analysis by a bank business handling system. When the battery voltage of the robot is low, the navigation system firstly guides the robot near a charging pile, the robot is guided to be docked with the charging pile through a recognition marker, LED lamps at two sides of the marker are used as conditions for enabling the robot to stop moving, and automatic charging navigation is realized.

A smart charging system includes a center management server, a vehicle information identification module and an automatic charging module, wherein the vehicle information identification module and the automatic charging module are in wired or wireless network communication with the center management server. The vehicle information identification module is used for collecting vehicle information and charging interface information when electric vehicles drive in a charging station and sending the collected information to the center management server. The center management server receives the vehicle information and charging interface information of the electric vehicles, sends control orders by aid of interior algorithms to control the automatic charging module and further to achieve automatic charging, charging finishing and charging expense calculation of the electric vehicles. The smart charging system can save human resources, reduces operation cost and simplifies the charging process.

The invention discloses an unmanned aerial vehicle routing inspection base station. The base station comprises a supporting frame, a charging base, a solar cell panel, a protective apparatus and an ultrasonic distance-measuring module. The charging base serves as a unmanned aerial vehicle landing platform and is provided with two stages of charging electrodes that are in contact with two charging interfaces designed in an unmanned aerial vehicle in a matched way to charge the unmanned aerial vehicle; the protective apparatus is mounted on the charging base; the interior of the protective apparatus serves as a parking space for the unmanned aerial vehicle; the two stages of charging electrodes are positioned in the protective apparatus; the top surface of the protective apparatus adopts an openable structure; the solar cell panel is used for supplying power to the unmanned aerial vehicle and the protective apparatus; and the ultrasonic distance-measuring module is mounted in the internal wall surface of the protective apparatus and used for measuring the distance between the unmanned aerial vehicle and the charging base. The unmanned aerial vehicle routing inspection base station has the advantages that the unmanned aerial vehicle can be automatically charged, so that long-distance routing inspection of the unmanned aerial vehicle is realized; and in addition, the protective apparatus is designed, so that the charging base can be protected, and the influence of weather on the unmanned aerial vehicle routing inspection base station can be greatly reduced.

The invention relates to the technical field of electric automobiles, and discloses an electric automobile charging method and a device. The method comprises the steps that a charging pile obtains theidentification information of a vehicle-mounted terminal; the charging pile sends a charging request to a charging pile server, and the charging request comprises the identification information of the vehicle-mounted terminal; the charging pile server sends a charging verification request to a cloud server, and the charging verification request comprises the identification information of the vehicle-mounted terminal; the cloud server judges whether a user label corresponding to the identification information of the vehicle-mounted terminal is contained in the preset user label library or not;if the user label corresponding to the identification information of the vehicle-mounted terminal is contained in the preset user label library, the cloud server sends a first charging instruction tothe charging pile server; and the charging pile server sends a second charging instruction to the charging pile, so that the charging pile can carry out charging operation on the vehicle-mounted terminal. According to the technical scheme provided by the electric automobile charging method and the device, the operation steps of charging of an electric automobile can be simplified, the automatic charging without using mobile phones and charging cards is achieved, so that the electricity utilization safety is ensured during using the charging pile, and the service life of the electric automobile is prolonged.

The invention provides an unmanned aerial vehicle automatic airport system, and relates to the field of unmanned aerial vehicle parking equipment, and the system includes a UAV, an apron comprising anapron frame mounted on a bottom surface, an infrared camera, an airport controller, a landing platform, an X-axis drive mechanism, a Y-axis drive mechanism, a rotating mechanism, a camera detection module, and a charging module, the apron frame is composed of two X-axis border frames, the X-axis driving mechanism, the Y-axis driving mechanism respectively drives the take-off and landing platformto move along the X-axis frame and the Y-axis frame length direction, the rotating mechanism drives the take-off and landing platform to rotate, and the infrared camera is installed on the take-off and landing platform; the unmanned aerial vehicle automatic airport system can realize the functions of precise landing, parking and automatic charging of the unmanned aerial vehicle, and simultaneouslyachieve the purpose of reducing the size of a parking apron.

The invention discloses an automatic butt joint charging system and an automatic butt joint charging method for a robot. The automatic butt joint charging system for the robot comprises a robot and a charging pile, wherein the robot comprises a robot shell, a robot positive electrode contact copper plate, an insulated sleeve, a robot negative electrode contact copper plate, two receiving infrared sensors and a robot control end; the charging pile comprises a charging pile shell, a charging pile positive electrode contact copper plate, a charging insulated sleeve, a charging pile negative electrode contact copper plate, a guide sleeve, (2n+1) transmitting infrared sensors, a baffle, a limiting switch, a charging adapter and a charging pile control terminal. Through detesting the strength of infrared signals received by the receiving infrared sensors at different positions on the robot, automatic butt joint between the robot and the charging pile is realized, and compared with the existing mode in which the charging pile adopts a manual aerial plug for charging, manual operation is reduced, and automatic charging on the robot by the charging pile is realized.

The invention discloses an electric vehicle automatic charging system, which comprises a vehicle-mounted control unit, a charging control unit, a vehicle-mounted electricity receiving end, a charging end and a power supply device, wherein the charging end is guided for target-seeking, abutting and charging by ultrasonic or infrared signals of the vehicle-mounted electricity receiving end. Through the design of the electric vehicle automatic charging system and by utilizing ultrasonic or infrared technology, the whole process from charging starting to full-charging stopping of an electric vehicle is intelligent and automatic, and multiple electric vehicles can be respectively and automatically charged according to a demand sequence.

The invention relates to a vehicle-mounted automatic charging mechanical arm and an electric vehicle carried with the mechanical arm. The mechanical arm is arranged at the bottom of the electric vehicle, and automatic charging of the electric vehicle is achieved by plugging the mechanical arm into a socket automatically. The mechanical arm comprises a swing arm fixing plate, a first joint, a parallel joint unit, a plug and a camera, wherein one end of the swing arm fixing plate is fixed to the bottom of the electric vehicle; one end of the first joint is connected with the other end of the swing arm fixing plate; one end of the parallel joint unit is connected with the other end of the first joint; the parallel joint unit is parallel to a chassis of the vehicle when the electric vehicle is not charged, and is moved downwards when the electric vehicle needs to be charged; the plug is mounted at the tail end of the parallel joint unit; and the camera is mounted on one side face of the plug. Compared with the prior art, automatic charging is realized, a charging device is small in size, and using is convenient. The vehicle-mounted automatic charging mechanical arm fills up the blank in China and is of great significance on promoting the technological development of electric vehicles.

The invention discloses an automatic charging robot, a charging method and a readable storage medium and relates to the technical field of charging electric vehicles. The automatic charging robot comprises a controller, a mechanical arm and a charging gun, wherein the controller is used for obtaining the position information of the charging gun and the charging port of a motor vehicle stopping ata charging parking stall; the mechanical arm is used for driving the charging gun to move to finish butt joint of the charging gun and the charging port of the motor vehicle according to the positioninformation of the charging port; and the charging gun is used for charging the motor vehicle through a cable after successful butt joint of the charging gun and the charging port of the motor vehicle. According to the automatic charging robot and the charging method, the mechanical arm drives the charging gun to realize the automatic charging purpose without manual operation of a user, so that intelligent and convenient development of a charging service system is facilitated.

The invention discloses a charging device butt joint method based on a visual mark. The method comprises the following steps that 1, the visual mark corresponding to a charging device is shot; 2, the angle and distance between a robot charging interface and the visual mark are obtained; 3, the angle and distance between the robot charging interface and the visual mark are determined; 4, the route and speed to the charging device of a robot and the speed of reaching the charging device of the robot are projected according to the angle and distance between the robot charging interface and the charging device, and the robot is driven to approach the charging device according to the projected route and speed; 5, when the angle and distance between the robot charging interface and the charging device are smaller than a preset angle and a preset distance respectively, the robot charging interface is driven to be in butt joint with a power interface of the charging device. According to the method, the shot image of the visual mark corresponding to the charging device is processed, and therefore precise butt joint between the robot charging interface and the power interface of the charging device is achieved.

The invention provides a charging control system and method. When a vehicle enters a toll station, a charging terminal will convert obtained bill information into corresponding identification information, and displays the identification information at a preset position of the toll station, thereby enabling a vehicle-mounted camera device of the vehicle to recognize the identification information, enabling the obtained bill information to be transmitted to a vehicle-terminal payment terminal for payment, then directly enabling a payment result to fed back to the charging terminal, and letting the vehicle go. Therefore, the charging control mode achieves the automatic charging of the vehicle, and a vehicle driver does not need to stop the vehicle for payment, thereby saving the charging time, preventing the vehicle from staying at the toll station, and guaranteeing the smooth passing of the vehicles at the toll station.

The invention relates to unmanned aerial vehicles, and provides an unmanned aerial vehicle port capable of automatically charging. The unmanned aerial vehicle port includes at least one unmanned aerial vehicle nest for storing the unmanned aerial vehicles and a power source assembly. Each of the unmanned aerial vehicle nests comprises a cavity which can be opened and can be parked by the unmannedaerial vehicles and a power supply assembly which is installed in the cavity and can automatically supply power to the unmanned aerial vehicles, and the power supply assemblies are electrically connected with the power source assemblies. According to the unmanned aerial vehicle port capable of automatically charging, the unmanned aerial vehicle nests can be used for storing and parking the unmanned aerial vehicles, the automatic charging of the unmanned aerial vehicles can be realized in the parking process, and great convenience is achieved; and for some guard areas in which the unmanned aerial vehicles need to be on standby or perform uninterrupted air cruises, alternate relay flight can be realized with at least two left and right unmanned aerial vehicles to meet the needs of uninterrupted flight.

The embodiment of the invention discloses an automatic charging device for an unmanned aerial vehicle and the unmanned aerial vehicle. The automatic charging device comprises a contact charging ring and a control module. The contact charging ring is arranged on supporting legs of the unmanned aerial vehicle. The control module is located on a body of the unmanned aerial vehicle. The control module is used for controlling the contact charging ring to make contact with a charging panel of a charger for charging a battery of the unmanned aerial vehicle when the battery voltages of the unmanned aerial vehicle is lower than the preset voltage value. Due to the fact that the control module can be used for controlling a charging loop between the contact charging ring and the battery of the unmanned aerial vehicle to be connected, the battery installed on the unmanned aerial vehicle is charged in the manner that the contact charging ring makes contact with the charging panel of the charger. After the electric quantity of the battery of the unmanned aerial vehicle is reduced, the charging loop installed between the contact charging ring and the battery on the unmanned aerial vehicle can be automatically connected, the contact charging ring on the unmanned aerial vehicle makes contact with the charging panel on a charging platform, and therefore automatic charging is achieved, and unattended operation of the unmanned aerial vehicle is truly achieved.

The invention relates to a sealing device which can be automatically adjusted and compensated, mainly comprising a ring-shaped sealing element which is provided with a cavity and filled with a fluid medium, an external retaining ring and an internal retaining ring which are respectively sheathed on the internal ring and the external ring of the sealing element; under free state, the sealing element is subject to the action of the external retaining ring and the internal retaining ring, and the width of the sealing device is larger than the width of the two retaining rings; wherein, the external retaining ring and the internal retaining ring are elastic retaining rings; the ring-shaped sealing element is in square shape or other irregular ring shape; the shape of the elastic retaining ringis matched with the shape of the sealing element; the ring-shaped sealing element can be replaced by a long-shaped sealing element or two communicated chambers or an inflation sac which is connected on the sealing element, etc. The invention provides the sealing device which can ensure the uniform pressing sealing at all places of the sealing device, and can ensure good sealing effect by carryingout automatic compensation according to the relative position change of the part to be sealed to a certain extent.

The present disclosure provides a robot automatic charging system. The system includes a navigator, a master control computer, a vision sensor, a charging compartment, a charging pile, and a road sign; the navigator is used for monitoring a road condition, determining the location of the charging pile and planning a path; the master control computer is used for controlling the navigator and the visual sensor, and controlling the movement of a robot to be charged; the visual sensor is used for detecting the road sign and determining the coordinates of the road sign; the charging compartment isused for shielding the charging pile and the road sign; the charging pile is used for supplying electric power for the robot to be charged; the road sign is used for positioning of the robot to be charged; and the navigator, the master control computer and the visual sensor are all mounted on a robot body; and the charging pile and the road sign are both located in the charging compartment.

The invention relates to the industrial field of automatic control of air cushion suspension transport vehicles, in particular to an automatic charging device of an air cushion suspension transport vehicle. The automatic charging device comprises a ground charging pile and a vehicle-mounted power-receiving unit. The charging pile is driven by an electric drive pusher to automatically stretch out a charging contact after receiving the instruction of the air cushion suspension transport vehicle, the charging contact is in contact with a vehicle-mounted charging contact pad, after the charging contact is in full contact with the charging contact pad, a stopping stretching instruction is given out by a microswitch, after the instruction of the air cushion suspension transport vehicle is received, a power source is automatically connected, and automatic recharging is started. After the recharging is finished, after the instruction given out by the air cushion suspension transport vehicle is received, the electric drive pusher drives the charging contact to withdraw into a shell of the charging pile, and meanwhile the power source is switched off. According to the automatic charging device of the air cushion suspension transport vehicle, automatic charging can be achieved, and charging is made quicker and smarter. The mode of manually plugging a cable is avoided, people do not need to operate on site, manpower resources are saved, and safety performance is enhanced.

The invention discloses an automatic charging method and system of an electric vehicle and equipment. The method comprises the steps of receiving a charging instruction sent by a server, wherein the server determines that the electric vehicle needs to be charged, and the charging instruction comprises a first vehicle recognition code of the electric vehicle; obtaining a second vehicle recognitioncode and charging parameters of the electric vehicle parked on a wireless charging pile position, and when the first vehicle recognition code is matched with the second vehicle recognition code, according to the charging parameters, controlling a wireless charging coil to conduct wireless charging on the electric vehicle. By means of the automatic charging method and system of the electric vehicleand the equipment, according to the charging instruction sent by the server, the electric vehicle which is parked on the wireless charging pile position and passes recognition authentication is automatically charged, manual operation is not needed, and the charging efficiency of the electric vehicle is effectively improved.

The invention relates to an automatic charging device for an electric vehicle and a control method thereof. The automatic charging device comprises a horizontally retractable mechanism platform, a charging pile which is arranged on the mechanism platform and a support plate, the support plate is vertically arranged, the upper end of the support plate is further provided with a rotating arm, the rotating arm is fixedly connected with a sliding guide rail, the sliding guide rail is provided with a sliding block, the sliding block is fixedly connected with a charging head and an image acquisition unit, the charging head is electrically connected with the charging pile and is matched with a charging port of the electric vehicle, the support plate is driven by a hydraulic driving rod which is arranged on the mechanism platform to get close to the charging port, and the charging pile, the image acquisition unit, the sliding guide rail and the hydraulic driving rod are controlled by a control unit. The automatic charging device for the electric vehicle and the control method thereof have the advantages that the position of the charging port is obtained through the image acquisition unit, the charging head is automatically aligned with the charging port, and automatic charging is achieved.

The present invention relates to a curb parking charging method and system. The method comprises the following steps of deploying a curb access point device at a parking space, installing an electronic toll collection label in a vehicle, when the vehicle parks at the parking space, using the curb access point device to awaken the electronic toll collection label in the vehicle automatically, and carrying the access ciphers in an awakening signal; then enabling the electronic toll collection label and the curb access point device to carry out the Bluetooth communication, during a Bluetooth communication connection process, using the electronic toll collection label to use the access ciphers to carry out the bidirectional authentication with the curb access point device; and then using the curb access point device to carry out the operations of identifying the electronic toll collection label and / or deducting fee with the help of a wide-area sensing network, via a wide-area sensing gateway and the communication between a wide-area network and a background server, and according to the requirements of the background server. According to the present invention, the automatic charging after the vehicle parks at the parking space can be realized, and the problems in the prior art that the labor cost is high, the operation is complicated, the parking space identifiers are easy to wear, etc., are solved.

The invention discloses an intelligent charging pile load distribution and energy storage electric quantity distribution cloud system. An energy storage battery pack is connected with a power supply input end and a charging pile through a wire while the output end is connected with an inverter module; meanwhile, the energy storage battery pack and a battery management system (BMS) are connected with a charging pile load distribution main control module for performing data communication; by virtue of the charging pile load distribution main control module and a charging pile load distribution secondary control module, load switching of a power supply circuit is controlled, and regional power utilization load shunting is realized; by virtue of the main control module and the secondary control module, scheduling management is improved on the aspect of control logic, so that a condition of insufficient capacitance of an old community is greatly relieved; and by virtue of addition of an energy storage battery system, the energy storage battery is charged by the charging pile automatically when the regional power utilization load is in an idle state, and the energy storage battery systemis automatically switched to a power grid through the inverter when the regional power utilization load is insufficient.

The invention relates to an electric automobile automatic charging system and method based on an automatic mechanical arm. The system comprises a stall detection device arranged under the ground of a parking space, a charging device arranged beside the parking space, the automobile-mounted mechanical arm installed on an electric automobile, a region control device which is in wireless communication connection with the charging device and the stall detection device and is used for acquiring real-time state information of the charging device and the stall detection device and controlling the charging device and the stall detection device, an automobile-mounted control device connected with the electric automobile and the automobile-mounted mechanical arm and used for acquiring real-time state data of the electric automobile and controlling the mechanical action and electrical performance of the automobile-mounted mechanical arm, and a backstage management center which is in wireless communication connection with the automobile-mounted control device and the region control device and is used for acquiring data acquired by the automobile-mounted control device and the region control device and issuing control commands. Compared with the prior art, the electric automobile automatic charging system and method have the beneficial effects that a domestic gap is filled in, and the system and method have the important significance in promotion of electric automobile technology development.

The invention discloses a wireless automatic method of an automobile. The wireless automatic method involves an automobile to be charged, a parking space unit, a wireless charging device, a support platform assembly, a power supply and a control system, wherein the wireless charging device is arranged on the support platform assembly, and the control system is used for driving the support platform assembly and the wireless charging device to move at the bottom of the automobile in the parking space unit before charging, detecting the position of a powered device of the automobile to be charged, moving the wireless charging device to an appropriate charging position and then beginning to charge. The invention provides a method for wireless automatic charging of the automobile parked in a garage, manual intervention is not needed, and the method is convenient and high-efficiency, is particularly used for a three-dimensional garage and a charging station, and is also suitably used for normal ground parking places.

The invention discloses an automatic road charging method, comprising that: a mobile terminal which is based on the NFC protocol establishes communication with a card distribution device arranged at a first toll station; the mobile terminal adopts the positioning technology to record the driving track starting from an entry site; the mobile terminal which is based on the NFC protocol establishes communication with the card sender arranged at a second toll station to determine an exit site and reports the driving track between the entry site and the exit site to a server; the mobile terminal receives a driving expense payment request obtained by calculation by the server according to the driving track; and the mobile terminal utilizes an NFC electronic payment function to realize payment. The automatic road charging method disclosed by the invention solves the problems that the artificial charging is slow, and the ETC cross-province charging is not convenient, and tax evasion happens.

The invention provides a robot arm. The robot arm comprises a machine hand for grabbing a charging plug of an electric vehicle charging device, an identifying mechanism for identifying the charging plug and an electric vehicle charging socket, and a machine arm for urging the identifying mechanism and the machine hand to move; the machine hand comprises a wrist, and at least three fingers connected to the wrist at intervals; and the machine arm comprises a driving module movably connected with the wrist and the identifying mechanism. In addition, the invention further provides the electric vehicle charging device, which comprises a chassis, a cable, the charging plug and the robot arm. Through cooperation of the machine hand, the machine arm and the identifying mechanism, the accurate positions of the charging plug and the electric vehicle charging socket of the electric vehicle charging device are identified through the identifying mechanism, and the machine arm urges the machine handto grab the charging plug and to accurately insert the charging plug in the charging socket to realize automatic charging of an electric vehicle, so that the technical problem of need of hand operation in the charging process of the electric vehicle is effectively solved.

The invention relates to an intelligent movable electric power motor vehicle charging device and a charging method thereof. The intelligent movable electric power motor vehicle charging device comprises a fixed preassembling module and a vehicle-mounted module, wherein the vehicle-mounted module is installed on an electric power motor vehicle and can communicate with the fixed preassembling module; the fixed preassembling module comprises a fixed power supply module which is installed near a parking space, and a mobile charger which is connected with the fixed power supply module and has a positioning function; and the vehicle-mounted module comprises a charging port matched with the mobile charger, and thus the mobile charger can be used for charging the electric power motor vehicle through the charging port. The intelligent movable electric power motor vehicle charging device and the charging method thereof achieves automatic charging when the electric power motor vehicle is parked at the parking space, reduces peak power consumption pressure of a power grid without affecting the user, helps the user in saving charging cost, avoids the occurrence of a situation that the vehicle cannot be use because the owner forgets to charge the vehicle, and prevents accidents caused by the fact that the owner starts the vehicle without unplugging the plug.

The invention relates to a folding automatic charging mechanical arm and an electric vehicle vehicleried with the mechanical arm. The mechanical arm is arranged at the bottom of the electric vehicle, and charging of the electric vehicle is achieved by plugging the mechanical arm into a socket. The mechanical arm comprises a swing arm fixing plate, a head joint, a connection plate, a parallel joint unit, a plug and a camera, wherein one end of the swing arm fixing plate is fixed to the bottom of the electric vehicle; one end of the head joint is connected with the other end of the swing arm fixing plate so that the mechanical arm can rotate around the head joint; the connection plate is an inverted U-shaped strip slot, and is connected with the head joint; the parallel joint unit is connected with the connection plate in a sliding mode; the parallel joint unit is located in the connection plate when the electric vehicle is not charged, and extends out of the connection plate and rotates around parallel joints when the electric vehicle needs to be charged; the plug is mounted at the tail end of the parallel joint unit; and the camera is mounted on one side face of the plug. Compared with the prior art, automatic charging is realized, a charging device is small in size, and using is convenient. The vehicle-mounted automatic charging mechanical arm fills up the blank in China and is of great significance on promoting the technological development of electric vehicles.