40results about How to "Guaranteed charging needs" patented technology

The invention discloses an electric vehicle charging real-time optimization dispatching method. The technical scheme adopted by the invention is as follows: Net-Electrified Transportation CooperativeSystem Architecture Based on Vehicle Interaction; A micro traffic assignment model based on travel chain tracking is established to track and simulate the real-time information of driving behavior, location distribution, state of charge and charging demand of electric vehicle users. Charging station selection and navigation strategy; A two-layer real-time optimal dispatching model is constructed to determine the specific charging scheme of electric vehicles in each charging station, which takes into account the safety of distribution system and the waiting time of users. YALMIP / CPLEX efficientcommercial solver is used to solve the upper and lower level problems iteratively. The invention can not only alleviate the traffic jam near the charging station; But also can make the load distribute evenly, reduce the network loss and ensure the safe and economical operation of the power network; Also can meet the EV charging demand, improve customer satisfaction, and ultimately achieve the overall optimization of electrified transportation system operation, taking into account the interests of many aspects.

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 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 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.

The invention discloses a port-reuse bidirectional charger and an application method thereof. The port-reuse bidirectional charger comprises a plurality of change-over switches, a rectifier, a plurality of isolated bidirectional DC / DC convertors and a charging interface, wherein the rectifier is connected with a power grid through alternating current and used for converting alternating current into direct current; the input sides of the isolated bidirectional DC / DC convertors are connected in parallel and then connected with the rectifier, and the output sides of the isolated bidirectional DC / DC convertors are connected to the charging interface through the change-over switches; a charged / discharged storage battery is connected to the charging interface, and the number and the connection mode of the output isolated bidirectional DC / DC convertors are selected by setting the on-off of the change-over switches so as to meet the charging and discharging power requirements of the storage battery. The change-over switches are arranged on the output side of the charger to realize port reusing, different numbers of chargers can be used in parallel when the power requirements are different,a circuit does not need to be redesigned, and the use is facilitated.

The invention provides a charging pile. The charging pile comprises a cooling-liquid heat exchanging device. The cooling-liquid heat exchanging device comprises a heat exchanging pipe, a cooling-liquid output pipe and a cooling-liquid input pipe, wherein the cooling-liquid output pipe and the cooling-liquid input pipe are connected with the heat exchanging pipe, and are used for being communicatedwith a vehicle-mounted battery cooling pipe respectively, and thus a loop is formed by the heat exchanging pipe and the vehicle-mounted battery cooling pipe. Through the loop of the cooling liquid pipe, and heating and cooling of a full-electric-vehicle battery pack can be achieved through the cooling-liquid heat exchanging device of the charging pile so that a vehicle-mounted battery can be charged in the best temperature range. When a full electric vehicle is charged, it can guarantee that a power battery is charged at the optimum temperature through the charging pile according to the environment temperature, the present temperature of the power battery and different charging requirements of the power battery, the charging speed of the charging pile is increased accordingly, and the charging time of the charging pile is shortened.

The invention discloses a management control system based on electric vehicle parking charging and a control method thereof. The system comprises a vehicle type recognition and expelling device and anintelligent vehicle scheduling device. The vehicle type recognition and expelling device comprises a first image acquisition module, a bottom line coverage judgment module, a position contour acquisition module, a second image acquisition module, an extraction module, a recognition module, a vehicle type judgment module, an expelling module and a charging module. The intelligent vehicle scheduling device comprises an intelligent guide screen, a first charging display screen, a second charging display screen and a management controller. The type of the electric vehicle is recognized through the heating characteristics, the non-electric vehicle is prevented from occupying the parking space, the charging requirement of the electric vehicle is met, so that the utilization rate of charging equipment is increased, and resource waste is avoided. The operation and maintenance efficiency and timeliness are improved, the vehicle moving efficiency is correspondingly improved, the overall charging efficiency of the parking lot is improved, and the overall operation efficiency of the electric vehicle large-scale parking charging station is greatly improved.

The invention discloses an electric vehicle intelligent identification charging method based on intelligent commercialization. The method comprises the steps of collecting a bottom line image; judgingwhether a parking space bottom line is covered or not, and if yes, collecting vehicle position information and a contour image; collecting an infrared image, and extracting a heating position and a heating characteristic; identifying and obtaining a vehicle type; judging whether the vehicle type is an electric vehicle or not, if so, charging, and otherwise, expelling; detecting vehicle information of a circulation intersection, and obtaining flow direction information; judging whether a vehicle exists in the parking space; calculating the ground clearance of the vehicle; calculating the parking density, judging whether the parking density reaches the preset vehicle density or not, if yes, counting the vehicle circulation number, and pushing advertisement pushing information I on a path where the vehicle circulation number reaches the preset vehicle flow; and judging whether the change value of the ground clearance is greater than a preset height difference or not, and if so, sending advertisement pushing information II to the on-vehicle personnel. The invention has the advantages of occupation prevention, high utilization rate, convenience for charging the electric vehicle, good advertising effect and long service life.

The invention relates to a method for distributing charging power of a trolleybus. For a certain charging network segment, the number of trolley buses in the charging network segment is detected in real time, and the required charging power of each trolleybus is obtained; the actual charging power assigned to each trolleybus is then calculated. The method calculates the actual allocated power based on the ratio of the required charging power of each trolleybus to the total required charging power. The greater the required charging power is, the greater the actual allocated charging power is, meeting the needs of charging for each trolleybus. If the number of trolleybuses on the charging network segment changes, the number of trolleybuses in the network segment is re-acquired by the distribution method, and the required charging power of each trolleybus is required. Then, according to the allocation strategy, the power distribution is performed to ensure that the charging power of eachtrolleybus meets the demand, the power supply system is stabilized, and the trolleybus is in normal operation.

The invention discloses a large parking charging station with an intelligent fire-fighting processing function and a parking charging management method. The charging station comprises a parking lot, acabinet body, a vehicle type recognition expelling device, a fire detection device, an anti-theft door opening device, a monitoring device, fire-fighting equipment, a controller, a vehicle flow direction detection mechanism, a parking detection mechanism, a get-off detection mechanism, an advertisement pushing service platform, an intelligent guide screen, a first charging display screen, a second charging display screen and a processor. And the vehicle type recognition expelling device identifies the type of a parked vehicle. The vehicle flow direction detection mechanism detects flow direction information, and the parking detection mechanism collects parking information in a parking lot. The get-off detection mechanism collects get-off information of the vehicle-mounted personnel. The charging station is high in electric energy resource utilization rate, good in advertising effect, capable of improving the operation and maintenance efficiency, preventing occupation and improving theoverall charging efficiency of the parking lot, high in equipment resource utilization rate, capable of achieving the remote door opening function, high in anti-theft performance and capable of enabling fire detection to be more effective.

The invention discloses an anti-theft intelligent fire-fighting cabinet used in an electric charging occasion and an intelligent fire-fighting method thereof. The fire-fighting cabinet comprises a cabinet body, a vehicle type identification drive-off device, a fire detection device, an anti-theft door opening device, a monitoring device and a controller. The cabinet body comprises a cabinet door,a shell and an electromagnetic device, wherein the electromagnetic device is used for opening or closing the cabinet door. The vehicle type identification drive-off device comprises an image acquisition module I, a bottom line coverage judgment module, a position contour acquisition module, an image acquisition module II, an extraction module, an identification module, a vehicle type judgment module, a drive-off module and a charging module. The anti-theft door opening device comprises a trigger module and an alarm module, and the monitoring device comprises an external camera and an internalcamera. The anti-theft intelligent fire-fighting cabinet used in the electric charging occasion and the intelligent fire-fighting method thereof realize the function of remote door opening, are highlyanti-theft, enable fire detection to be more effective, prevent non-electric vehicles from occupying parking spaces and ensure the charging requirement of electric vehicles, thereby improving the utilization rate of charging equipment and avoiding resource waste.

The invention discloses a large parking charging station of an electric vehicle and a parking charging management method thereof. The large-scale parking charging station comprises a parking lot, a vehicle model identification expelling device, a vehicle flow direction detection mechanism, a parking detection mechanism, a get-off detection mechanism, an advertisement pushing service platform, an intelligent guide screen, a first charging display screen, a second charging display screen and a processor. And the vehicle model identification expelling device identifies the type of a parked vehicle. The vehicle flow direction detection mechanism detects flow direction information, and the parking detection mechanism collects parking information in a parking lot. The get-off detection mechanismcollects get-off information. The intelligent guide screen guides the electric vehicle, the first charging display screen displays the vehicle information and the charging state of an electric vehicle which is being charged to an operation and maintenance platform, and the second charging display screen displays the vehicle information and the charging state of an electric vehicle which is beingcharged to the lounge. The large parking charging station is high in electric energy resource utilization rate, good in advertising effect, capable of improving operation and maintenance efficiency and preventing occupation and high in equipment resource utilization rate.

Disclosed is an intelligent internet convergence media broadcast exhibition machine; the intelligent internet convergence media broadcast exhibition machine comprises an internet convergence media broadcast exhibition machine body, a switching power supply, solar panels, a time control switch, a storage battery, a power inverter, a conversion relay and a micro electro-acoustic conversion device, and also comprises a driving mechanism and light control circuits, wherein one solar panel is arranged at the upper end of the shell of the convergence media broadcast exhibition machine body, and theother two solar panels are hinged to the left side end and the right side end of the shell respectively; the photoelectric switches of the two sets of the light control circuits are arranged at the lower parts of the left side and the right side of the shell respectively, and motor speed reducing mechanisms of the driving mechanism are installed in two grooves of the shell; permanent magnets are arranged on the inner sides of the lower ends of the second solar panel and the third solar panel and the middle of the upper end of the outer side of the second solar panel respectively; reed pipes are arranged on the left end of the back side and the middle of the left end of the upper side of the shell respectively; and the switch power supply, the time control switch, the power inverter, the conversion relay, the micro electro-acoustic conversion device and the rest of the light control circuits, and the storage battery are arranged in the shell of the convergence media broadcast exhibitionmachine body and are connected with the shell through wires.

The invention relates to a charging pile charging and discharging control method and a charging and discharging system. The method comprises the steps of detecting the charging requirement of an electric vehicle; if the electric vehicle has the charging demand, detecting the electric quantity state of the energy storage power supply; if the electric quantity state of the energy storage power supply is larger than the set electric quantity threshold value, outputting electric energy to the electric automobile by the energy storage power supply to charge the electric automobile; if the electricquantity state of the energy storage power supply is not greater than the set electric quantity threshold, outputting electric energy to the electric vehicle by the power grid to charge the electric vehicle; and if the electric vehicle has no charging demand, correspondingly controlling the electric energy flow direction between the power grid and the energy storage power supply according to whether the power grid is in the peak power period. According to the method, when the electric vehicle has a charging demand, the energy storage power supply is preferentially adopted to charge the electric vehicle, and the power grid is adopted to charge the electric vehicle only under the condition that the electric quantity of the energy storage power supply is insufficient, so that the utilizationrate of the energy storage power supply is effectively improved under the condition of ensuring the charging demand of the electric vehicle.

The invention relates to a retractable automatic charging mechanical arm and an electric vehicle carrying the mechanical arm. The electric vehicle comprises the automatic charging mechanical arm, an electric vehicle body and buckles. A driving part of the automatic charging mechanical arm comprises a control device, and the automatic charging mechanical arm is arranged on the longitudinal axis of the electric vehicle through a movement guiding rail and arranged on the concave position of a chassis in an embedded mode. In the off working state, the automatic charging mechanical arm returns to an original position to automatically retract into a flat shape to be closely attached to the vehicle chassis. On the vehicle chassis, the original position of the automatic charging mechanical arm is provided with the at least two pairs of buckles, the buckles are connected with the control device through a CAN bus, and rotation of the buckles is controlled to fix the retracted rotating swing arm. Compared with the prior art, the retractable automatic charging mechanical arm and the electric vehicle carrying the mechanical arm have the advantage that automatic charging and powering-off of the electric vehicle are achieved.

The invention belongs to the technical field of wireless charging, and discloses a method and system for wireless charging of a car. The system is provided with a charging unit, a charging transmitting unit, car wireless receiving units and a processing module, wherein the charging unit is used for providing energy; the charging transmitting unit is connected with the charging unit and used for transmitting the energy provided by the charging unit; the car wireless receiving units are connected with the charging transmitting unit wirelessly and used for receiving energy signals transmitted bythe charging transmitting unit; and the processing module is connected with the car wireless receiving units and used for processing the signals received by the car wireless receiving units to make the signals be converted into electric energy used by the car. When the car needs to be charged, electromagnetic signals wirelessly transmitted by the charging transmitting unit are received through themultiple wireless receiving units arranged in the car and transmitted into the car wireless receiving units and the processing module, and then the processing module converts the received electromagnetic signals into electric signals; and a battery in the car is charged by using the electric signals. The wireless charging method can be applied to the car wireless charging system.

The invention discloses a management control system with an intelligent fire-fighting processing function and a control method thereof. The management control system comprises a controller, a vehiclemodel identification and expelling device and an intelligent vehicle scheduling device. And the controller is used for controlling a fire-fighting cabinet. The vehicle model identification and expelling device comprises a first image acquisition module, a bottom line coverage judgment module, a position contour acquisition module, a second image acquisition module, an extraction module, a recognition module, a vehicle model judgment module, an expelling module and a charging module. The intelligent vehicle scheduling device comprises an intelligent guide screen, a first charging display screen, a second charging display screen and a scheduling control module. According to the invention, a remote door opening function is realized; the system is has a good anti-theft effect, enables fire detection to be more effective, prevents non-electric vehicles from occupying parking spaces to guarantee the charging demands of the electric vehicles and avoids resource waste; the operation and maintenance efficiency and timeliness are improved, the overall charging efficiency of a parking lot is enhanced, and the overall operation efficiency of a large-scale parking charging station of the electric vehicles is greatly improved.

The invention relates to a mobile power supply discharge capacity control method and system. The method comprises the steps of obtaining the residual electric quantity of a mobile power supply and the residual electric quantity of each piece of to-be-charged equipment connected with a discharge interface after an access signal of any discharge interface of the mobile power supply is detected; according to the residual electric quantity of the to-be-charged equipment and the battery capacity of the to-be-charged equipment, calculating the to-be-charged electric quantity of each to-be-charged equipment when the to-be-charged equipment reaches a full-charge state; according to a preset distribution rule and the to-be-charged electric quantity of the to-be-charged equipment, respectively setting a to-be-distributed electric quantity corresponding to each to-be-charged equipment; and calculating the charged quantity of each piece of to-be-charged equipment in real time, and when the charged quantity of the to-be-charged equipment is equal to the corresponding electric quantity to be distributed, enabling the mobile power supply to stop transmitting power to the corresponding discharge interface. The method has the technical effect that the use performance of the mobile power supply is improved.

The invention discloses an electric vehicle intelligent identification and charging method with intelligent fire protection processing, comprising: judging whether a trigger signal is generated; collecting facial images; extracting facial features; feature comparison; detecting whether a fire occurs; collecting and displaying internal images; judging If the fire is determined to occur, open the cabinet door and drive the alarm module to send an alarm message; collect the bottom line image; judge whether the bottom line of the parking space is covered, if so, collect the vehicle position information and outline image; collect infrared images, extract the heating location and heating characteristics; Identify the vehicle type; judge whether the vehicle type is an electric vehicle, charge if it is, or drive away; detect vehicle information, obtain flow information; determine whether there is a vehicle; calculate the ground clearance height, parking density, and determine whether the preset vehicle density is reached, If yes, count the number of vehicles in circulation. The invention is anti-occupancy, convenient for electric vehicle charging, good advertising effect, long service life, highly anti-theft, and makes fire detection more effective.

The invention relates to a vehicle-mounted wireless charging device and a vehicle-mounted armrest box using the vehicle-mounted wireless charging device, and belongs to the technical field of wirelesscharging. The vehicle-mounted wireless charging device is used for wirelessly charging an electronic product and comprises a plurality of primary coils used for providing inductive energy to the electronic product. The vehicle-mounted wireless charging device is characterized in that a plurality of primary coils include a first coil and a second coil which is formed on a printed circuit board. The second coil provides lower charging power relative to the first coil, and the second coil is arranged at a different position relative to the first coil so that the first coil and the second coil are respectively suitable for providing the inductive energy to the electronic product with different charging power requirements and sizes. The wireless charging area of the vehicle-mounted wireless charging device has good design flexibility and can simultaneously meet the wireless charging requirements of various types of electronic products with different powers and sizes so as to have good vehicle-mounted wireless charging experience.

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.

The invention discloses a large-scale parking charging station for electric vehicles and a parking charging management method thereof. The large-scale parking and charging station includes a parking lot, a vehicle type identification and driving device, a vehicle flow direction detection mechanism, a parking detection mechanism, a get-off detection mechanism, an advertisement push service platform, an intelligent guide screen, a first charging display screen, a second charging display screen, and processor. The vehicle type identification drive-away device identifies the type of the parked vehicle. The vehicle flow direction detection mechanism detects the flow direction information, and the parking detection mechanism collects the parking information in the parking lot. The drop-off detection agency collects drop-off information. The smart guide screen guides the electric vehicle. The first charging display screen displays the vehicle information and charging status of the electric vehicle being charged to the operation and maintenance platform, and the second charging display screen displays the vehicle information and charging status of the electric vehicle being charged to the lounge. The invention has the advantages of high utilization rate of electric energy resources, good advertising effect, improved operation and maintenance efficiency, prevention of occupation, and high utilization rate of equipment resources.

An intelligent internet-integrated media broadcaster, including the Internet-integrated media broadcaster body, a switching power supply, a solar panel, a time-controlled switch, a storage battery, a power inverter, a switching relay, a sounder, a drive mechanism, and a light control circuit; One of the solar panels is installed on the upper end of the fuselage media spreader body shell, and the other two solar panels are hingedly installed on the left and right sides of the shell; the photoelectric switches of the two sets of light control circuits are respectively installed on the left and right sides of the shell In the lower part, the motor deceleration mechanism of the driving mechanism is installed in the two grooves of the housing; the inner side of the lower end of the second and third solar panels, and the middle part of the outer upper end of the second solar panel have permanent magnets. There are dry reed switches at the left end of the rear side and the middle part of the left end of the upper side; the switching power supply, time control switch, power inverter, conversion relay, sounder, other components of the light control circuit, and the battery are installed in the shell of the media broadcaster body and passed through. wire connection.

The invention relates to a method for distributing charging power of a trolleybus. For a certain charging network segment, the number of trolley buses in the charging network segment is detected in real time, and the required charging power of each trolleybus is obtained; the actual charging power assigned to each trolleybus is then calculated. The method calculates the actual allocated power based on the ratio of the required charging power of each trolleybus to the total required charging power. The greater the required charging power is, the greater the actual allocated charging power is, meeting the needs of charging for each trolleybus. If the number of trolleybuses on the charging network segment changes, the number of trolleybuses in the network segment is re-acquired by the distribution method, and the required charging power of each trolleybus is required. Then, according to the allocation strategy, the power distribution is performed to ensure that the charging power of eachtrolleybus meets the demand, the power supply system is stabilized, and the trolleybus is in normal operation.

The invention discloses an intelligent electric vehicle identification charging method with an intelligent fire-fighting processing function. The method comprises the following steps: judging whethera trigger signal is generated or not; collecting a face image; extracting facial features; carrying out feature comparison; detecting whether a fire occurs; acquiring and displaying an internal image;determining whether a fire occurs, and if so, opening the cabinet door and driving an alarm module to send alarm information; acquiring a bottom line image; judging whether a parking space bottom line is covered or not, and if so, collecting vehicle position information and a contour image; collecting an infrared image, and extracting a heating position and a heating characteristic; identifying avehicle type; judging whether the vehicle type is an electric vehicle or not, if so, carrying out charging, and otherwise, carrying out expelling; detecting vehicle information and acquiring flow direction information; judging whether a vehicle exists or not; and calculating a ground clearance and a parking density, judging whether the preset vehicle density is reached or not, and if so, carryingout statistics on the vehicle circulation quantity. According to the invention, occupation is prevented; charging of the electric vehicle becomes convenient; the advertising effect is good, the service life is long, the anti-theft effect is good and the fire detection is effective.

The invention discloses a method for intelligent identification and charging of an electric vehicle based on intelligent commercialization, which includes: collecting bottom line images; judging whether the bottom line of a parking space is covered, and if so, collecting vehicle position information and contour images; collecting infrared images, and extracting heating positions and heating Features; identify and obtain the vehicle type; determine whether the vehicle type is an electric vehicle, if so, charge it, otherwise drive away; detect the vehicle information at the circulation intersection, obtain flow information; determine whether there is a vehicle in the parking space; calculate the vehicle's ground clearance Height; calculate the parking density, and judge whether it has reached the preset vehicle density, if so, count the number of vehicles in circulation, and push the advertisement push information on the path where the number of vehicles in circulation reaches the preset traffic flow 1; judge whether the change value of the ground clearance is greater than the preset If the height difference is set, the advertising push information 2 will be sent to the vehicle personnel. The invention has the advantages of anti-occupancy, high utilization rate, convenient charging of electric vehicles, good advertising effect and long service life.