阅读说明：本技术 一种可移动式智能充电桩 (Movable intelligent charging stake ) 是由 季炎炎 郑东阳 吕凤娟 肖承仟 王锴 张彦兵 张姝 乔恺 刘延增 赵宇丹 王瑾 于 2021-09-22 设计创作，主要内容包括：本发明提供一种可移动式智能充电桩,属于电动设备充电技术领域,包括充电桩基础和设置在所述充电桩基础上的充电桩本体；所述充电桩本体包括壳体、设置在所述壳体上的显示屏、与所述壳体相连接的充电枪、设置在所述壳体下部的万向轮、设置在所述壳体内部的智能控制系统。本发明解决了老式充电桩设备移动困难,充电位置受限等一系列难题。未来车位紧缺这一难题仍然存在,现有充电桩的充电技术无法满足在非停车位上的电动汽车的充电需求,可移动式智能充电桩位置通过添加万向轮可自行灵活移动,通过智能控制系统可自动跟踪到需要充电的车辆,充电完毕后,自行回到原充电地点,操作方便,使用灵活,定位精确,便于推广运用。(The invention provides a movable intelligent charging pile, which belongs to the technical field of charging of electric equipment and comprises a charging pile foundation and a charging pile body arranged on the charging pile foundation; the charging pile body comprises a shell, a display screen arranged on the shell, a charging gun connected with the shell, universal wheels arranged on the lower portion of the shell, and an intelligent control system arranged inside the shell. The invention solves a series of problems of difficult movement, limited charging position and the like of the old-fashioned charging pile equipment. This difficult problem of following parking stall shortage still exists, and the current charging technology of filling electric pile can't satisfy the demand of charging at the electric automobile on non-parking stall, and the portable intelligent charging stake position can be nimble by oneself removed through adding the universal wheel, can trail the vehicle that needs to charge automatically through intelligent control system, and the back that finishes of charging is got back to former place of charging by oneself, convenient operation, and it is nimble to use, and the location is accurate, convenient to popularize and apply.)

1. A movable intelligent charging pile comprises a charging pile foundation and a charging pile body arranged on the charging pile foundation; the method is characterized in that: the charging pile body comprises a shell, a display screen arranged on the shell, a charging gun connected with the shell, universal wheels arranged on the lower portion of the shell, and an intelligent control system arranged inside the shell.

2. The portable intelligent charging pile of claim 1, wherein: the intelligent control system comprises a charging module, a communication module, a processing module, a positioning module, an obstacle identification module, a monitoring module and a driving module.

3. The portable intelligent charging pile of claim 2, wherein: the charging module comprises an alternating current contactor, an AC/DC converter connected with the alternating current contactor, an IGBT module connected with the AC/DC converter, a high-frequency transformer connected with the IGBT module, a battery pack connected with the high-frequency transformer and a micro-processing unit connected with the battery pack.

4. The portable intelligent charging pile of claim 3, wherein: the communication module is connected with the processing module and receives a control signal sent by the wireless terminal.

5. The portable intelligent charging pile of claim 4, wherein: the processing module is used for acquiring information and sending instructions and comprises a processor and a controller.

6. The portable intelligent charging pile of claim 5, wherein: the obstacle identification module comprises an infrared transmitting tube for transmitting infrared pulse signals, an infrared receiving tube for receiving the infrared pulse signals, a single chip microcomputer connected with the infrared receiving tube, and a laser ranging sensor connected with the single chip microcomputer.

7. The portable intelligent charging pile of claim 6, wherein: the monitoring module comprises a temperature sensor, a humidity sensor and a voltage sensor which are connected with the processing module.

8. The portable intelligent charging pile of claim 7, wherein: the driving module comprises a chassis and a driving motor.

Technical Field

The invention relates to the technical field of electric equipment charging, in particular to a movable intelligent charging pile.

Background

The invention and the application of the automobile promote the development of the world economy and the social progress to a great extent and also provide great convenience for the life of people; the electric automobile is used as a development core of a new energy automobile, the sustainable and renewable electric energy is used as a power source, and the electric automobile has the advantages of low exhaust emission, even zero emission, energy and environmental protection, and becomes one of main transportation tools in the present generation. In recent years, a series of policies are continuously issued by the governments of various provinces and cities in China to vigorously popularize the application of electric automobiles, and with the increasing purchase quantity of the electric automobiles, the charging problem of the electric automobiles becomes a key factor influencing the development of the electric automobiles. District and parking area position are limited, and old-fashioned electric pile rigidity can't nimble the scheduling problem of removing has brought very big inconvenience for electric automobile charges. In order to better serve the electric vehicle market, the rationalized design of the electric vehicle charging pile is particularly important.

Patent document CN 112373341 a discloses a mobile charging pile to improve the utilization rate of the charging pile. The mobile charging pile comprises a charging pile body with a power line and a charging gun, wherein a controller for controlling a charging process is arranged in the charging pile body; the key lies in that fill electric pile still includes the guide rail, it erects on the guide rail to fill electric pile body activity. The charging pile body can move after charging is finished so as to be used for charging other electric vehicles, the problem that the charging pile cannot be used due to the fact that a charging position is occupied is avoided, and the utilization rate of the charging pile is improved; simultaneously, can also lock the position of filling the electric pile body in charging process, avoid because of filling the damage that the electric pile body removed and cause the rifle or electric motor car that charges to charge mouthful, improved the security, nevertheless, this removal fills electric pile and can only remove on the guide rail of settlement, and the orbit of action is limited, is unfavorable for nimble charging.

Patent document CN 113291182 a discloses an intelligent movable dc fast charging pile and an intelligent charging method. The intelligent movable direct-current rapid charging pile comprises a body, a charging gun, a fixing device, a driving device, an image detection module and a scheduling control module; the body can be movably arranged on the fixing device through the driving device; the charging gun is movably arranged on the body; the image detection module and the scheduling control module are both arranged on the body; the image detection module and the driving device are electrically connected with the scheduling control module, and the scheduling control module is used for operating the driving device to enable the body to move to a preset parking space so as to realize charging operation when an idle parking space comes. It can accomplish the removal of filling electric pile automatically high-efficiently to further realize manual or automatic charging. This fill electric pile also can only remove on the slide rail that sets for, can not monitor the state in the charging process.

Disclosure of Invention

In view of this, the invention provides a movable intelligent charging pile.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

a movable intelligent charging pile comprises a charging pile foundation and a charging pile body arranged on the charging pile foundation; the charging pile body comprises a shell, a display screen arranged on the shell, a charging gun connected with the shell, universal wheels arranged on the lower portion of the shell, and an intelligent control system arranged inside the shell.

Furthermore, the intelligent control system comprises a charging module, a communication module, a processing module, a positioning module, an obstacle identification module, a monitoring module and a driving module.

Further, the charging module comprises an alternating current contactor, an AC/DC converter connected with the alternating current contactor, an IGBT module connected with the AC/DC converter, a high-frequency transformer connected with the IGBT module, a battery pack connected with the high-frequency transformer, and a micro-processing unit connected with the battery pack.

Furthermore, the communication module is connected with the processing module and receives a control signal sent by the wireless terminal.

Further, the processing module is used for acquiring information and sending instructions, and comprises a processor and a controller.

Furthermore, the obstacle identification module comprises an infrared transmitting tube for transmitting infrared pulse signals, an infrared receiving tube for receiving the infrared pulse signals, a single chip microcomputer connected with the infrared receiving tube, and a laser ranging sensor connected with the single chip microcomputer.

Furthermore, the monitoring module comprises a temperature sensor, a humidity sensor and a voltage sensor which are connected with the processing module.

Further, the driving module comprises a chassis and a driving motor.

With the development and the update of electric vehicles and the development of electric vehicle demonstration operation, charging piles of different scales are established, and a plurality of electric vehicles can be charged simultaneously. The electric automobile industry in China starts late, and the research on the electric automobile charging technology is also late. The mobile charging pile can meet the use requirements due to the fact that the mobile charging pile can be moved, and is deeply loved by people.

For example, the patent that publication number is CN212737803U discloses a mobilizable new energy automobile is with filling electric pile, including the base, the equal fixedly connected with supporting leg in the left and right sides of base lower surface, the middle part fixedly connected with universal wheel of supporting leg lower surface, the middle part fixedly connected with mobile control pole at the base back. This mobilizable new energy automobile is with filling electric pile promotes the universal wheel through the mobile control pole and rotates for the universal wheel drives fills the electric pile body and removes, makes the user can remove filling the electric pile body according to the user demand. For another example, a patent with a publication number of CN207697536U discloses a rail-mounted movable charging pile for providing charging services to a plurality of fixed parking spaces, which includes a charging pile body disposed on a bottom plate, a charging gun disposed on the charging pile body, and a guide rail frame, wherein guide rails are disposed on the guide rail frame and are communicated with each other, a power supply frame is disposed at the end of each guide rail above each fixed parking space, and a power supply positive block and a power supply negative block are disposed inside the power supply frame; the charging pile body is arranged above the guide rail, the bottom of the bottom plate is provided with a roller capable of rolling along the guide rail, the charging pile body is provided with an anode electricity-connecting block capable of being in contact with and electrically connected with the anode block of the power supply and a cathode electricity-connecting block capable of being in contact with and electrically connected with the cathode block of the power supply, and the charging pile has the effects that one charging pile can correspond to a plurality of parking spaces and the phenomenon that the charging pile is idle in a large quantity is reduced; meanwhile, the intelligent charging system has the advantage that the whole charging process is more convenient and safer. These fill electric pile and need artifical the fortune, move the orbit fixed, can satisfy certain user demand in theory. However, in reality, the parking spaces in some places are not tight, and the electric automobile can not be parked at the designated position. Therefore, it is necessary to design the charging pile intelligently.

Compared with the prior art, the invention has the following beneficial effects:

compared with the traditional charging pile, the movable intelligent charging pile better solves a series of difficult problems that the old-fashioned charging pile equipment is difficult to move, the charging position is limited and the like. This difficult problem of parking stall shortage still exists in the future, and the current charging technology of filling electric pile can't satisfy the electric automobile's on non-parking stall demand of charging. The movable intelligent charging pile position can be flexibly moved by itself by adding the universal wheels, the vehicle needing to be charged can be automatically tracked by the intelligent control system, and after charging is finished, the movable intelligent charging pile automatically returns to the original charging place.

The intelligent control system comprises a charging module, a communication module, a processing module, a positioning module, an obstacle identification module, a monitoring module and a driving module; the charging module comprises an alternating current contactor, an AC/DC converter, an IGBT module, a high-frequency transformer, a battery pack and a micro-processing unit, the charging gun is inserted into a charging interface of a vehicle to be charged, the charging module is started, alternating current is converted into direct current, and the vehicle to be charged is charged. The communication module receives a control signal sent by the wireless terminal, and controls data transmission between the charging pile body and the charging pile foundation simultaneously, the communication module is a hub for information transmission of the movable intelligent charging pile, and the processing module is used for acquiring information and sending an instruction, and is the core of the movable intelligent charging pile. The positioning module identifies the position information of the charging pile body and the vehicle to be charged and monitors the position information of the charging pile body; infrared detection is selected for use to barrier identification module, adopts pulse mode transmission infrared light and receiving filter algorithm to combine laser range sensor, can use under the changeable complicated condition of on-the-spot barrier distribution, and the electric automobile department of stopping that needs to charge is discerned and tracked to the intelligent charging stake body under the condition of not touching the barrier, and measurement accuracy is high, stable performance. Monitoring module monitors the temperature, humidity and the voltage of filling the electric pile body, ensures the safe operation of charging. The driving module comprises a chassis and a driving motor, receives the instruction of the processing module and controls the charging pile body to move. The invention has the advantages of convenient operation, flexible use, accurate positioning and convenient popularization and application.

Drawings

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

Fig. 1 is a schematic structural view of embodiment 1 of the present invention.

Fig. 2 is a schematic diagram of embodiment 1 of the present invention.

Fig. 3 is a schematic diagram of embodiment 4 of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 3 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.

Example 1

As shown in fig. 1 and 2, the embodiment provides a movable intelligent charging pile, which includes a charging pile foundation 1 and a charging pile body 4 disposed on the charging pile foundation 1; fill electric pile body 4 and be located the basis 1 that charges, high voltage distribution network introduces the power to filling electric pile basis 1, can charge to filling electric pile body 4.

Fill electric pile body 4 includes the casing, sets up display screen 3 on the casing, with the rifle 2 that charges that the casing is connected, set up and be in the universal wheel 5 of casing lower part, setting are in the inside intelligent control system of casing. The intelligent control system comprises a charging module, a communication module, a processing module, a positioning module, an obstacle identification module, a monitoring module and a driving module.

The charging module comprises an alternating current contactor, an AC/DC converter connected with the alternating current contactor, an IGBT module connected with the AC/DC converter, a high-frequency transformer connected with the IGBT module, a battery pack connected with the high-frequency transformer and a micro-processing unit connected with the battery pack.

The display screen is a touch screen, provides a man-machine interaction interface for a user, and guides the user to operate and use. When the processing module receives the charging signal, the charging module is started and connected with the charging gun to charge the vehicle.

The communication module is connected with the processing module, receives control signals sent by the wireless terminal and controls data transmission between the charging pile body and the charging pile foundation. A Remote-Control protocol is adopted between the communication module and the Remote controller, and the communication module adopts a CAN + Ethernet dual-network redundant data transmission mode to ensure the safe and smooth transmission of signals and data among the modules. CAN is a serial communication protocol, and is divided into two communication standards of high-speed CAN and low-speed CAN, the farthest distance of CAN communication is 10Km, the maximum transmission rate is 1Mbps, and CAN communication has the characteristics of low cost, long data transmission distance, high data transmission rate, strong flexibility and the like. The CAN node is composed of a CAN transceiver and a CAN controller, the CAN transceiver and the controller jointly cooperate to complete the transceiving of CAN messages, the CAN controller realizes the analysis of a CAN protocol, the CAN transceiver completes the mutual conversion of the logic level of the CAN controller and the differential level of a CAN bus, and the MCU is mainly responsible for controlling the CAN controller and reading and sending CAN data frames through the CAN controller.

The processing module is used for acquiring information and sending instructions and comprises a processor and a controller. The processor adopts an AM3352 processor, the controller is an MCU microcontroller, a 32-bit STM32F207ZET6 chip is adopted as a main control chip, the processor has 2 paths of CAN, 3 paths of SPI, 2 paths of IIC, 4 paths of UART, 2 paths of USART, 114 paths of I/O and the like, and a 1MB Flash memory is arranged in the processor.

The obstacle identification module comprises an infrared transmitting tube for transmitting infrared pulse signals, an infrared receiving tube for receiving the infrared pulse signals, a single chip microcomputer connected with the infrared receiving tube, and a laser ranging sensor connected with the single chip microcomputer.

The infrared transmitting tube is IR11-21C/TR8, the infrared receiving tube is HPI-6FER2, the single chip microcomputer is EM78P153, the infrared receiving tube receives infrared pulse signals transmitted by the infrared transmitting tube, transmits the infrared pulse signals to the single chip microcomputer, and measures signal intensity according to pulse width after amplification and filtering, so that the distance between obstacles is judged. MICRO (1550) are chooseed for use to laser rangefinder sensor, have accurate range finding ability, will fill electric pile body and wait that the distance between charging vehicle or the barrier transmits for the singlechip, then transmit for processing module, according to the judged result, send the instruction.

The monitoring module comprises a temperature sensor, a humidity sensor and a voltage sensor which are connected with the processing module, and the temperature, the humidity and the voltage of the charging pile body are monitored, so that the charging safety operation is ensured.

The driving module comprises a chassis and a driving motor. Be equipped with the chassis control panel on the chassis, including components and parts such as STM32 microcontroller, relay, power regulator, protective tube, gyroscope on the control panel, drive module receives processing module's instruction, opens or is closed through control panel control driving motor, and then drives the universal wheel walking or stop.

The positioning module adopts a GPS positioning system, identifies the position information of the charging pile body and the vehicle to be charged, monitors the position information of the charging pile body, and can adopt other positioning systems.

This application control terminal is manual remote control device, be equipped with display screen and operation button, with communication module wireless connection, in use, start the remote control, communication module gives processing module with received signal transmission, processing module receives behind the signal initiation instruction, start orientation module and obstacle identification module and range finding and route planning, later start drive module, it will move to waiting to charge the vehicle next door to fill electric pile body, start module and the monitoring module of charging at last, need the manual work to insert the rifle that charges and wait to charge the interface that charges of vehicle and charge, and monitor the state in the charging process, ensure to charge safety, accomplish smoothly, can return to by oneself and fill electric pile basis department after finishing charging, perhaps manual intelligent charging body passes through the universal wheel and removes to the body department of charging.

Example 2

The embodiment provides a movable intelligent charging pile, which is an improvement on the basis of embodiment 1, wherein a direct current servo motor is selected as a driving motor, a motor rotating speed control signal is a pulse signal with variable frequency, the pulse signal is generated through a timer capture mode, when a preset capture value is captured, the timer is triggered to be interrupted, and the level of a corresponding pin is turned over to generate a pulse signal with a certain frequency. The relationship between the impact frequency and the motor rotating speed is as follows: 250KHz

Corresponding to a rotational speed of 3000 rpm.

Example 3

As shown in fig. 2, this embodiment provides a movable intelligent charging pile, which is an improvement on the basis of embodiment 2, and a positioning module in this embodiment adopts a monte carlo positioning algorithm, which is mainly performed by the following four steps:

(1) particles simulating the motion of a charging pile body are uniformly generated in an established map.

(2) And calculating the position of each particle which possibly appears at the next moment according to the motion equation of the charging pile body, and recording the real motion condition of the charging pile body.

(3) The distance absolute value of the position of each particle and the real position of the charging pile body is calculated, a corresponding weight value is given to each particle, the better the position of the charging pile body and the position of the particle are attached to each other, the larger the weight value is, and the smaller the weight value is otherwise.

(4) And (3) counting the weight values of all the particles, selecting the particles with high weight more frequently and selecting the particles with low weight less frequently, and inputting the selected particles into the step (2) again until the particles are gradually gathered to finish positioning.

The Monte Carlo positioning algorithm can acquire the correct position of the charging pile body through continuous collection of particles and a large number of iteration processes.

Example 4

As shown in fig. 3, this embodiment provides a movable intelligent charging pile, which is an improvement on the basis of embodiment 3, the processing module is connected to a watt-hour meter and a card reading module, the card reading module is an ZLG522S module, and the charging condition and the remaining capacity of the charging pile body are monitored and displayed on a display screen for reading. Set up electric leakage fire detector and electric leakage fire controller in movable intelligent charging stake's the cable of presenting out, electric leakage fire detector can detect out the electric leakage current in the cable, transmits the measuring value to electric leakage fire controller. The electric leakage fire controller records the electric leakage current value and gives an alarm according to the electric leakage current value; the electric leakage fire detector and the fire-fighting linkage controller are networked, and the circuit breaker is controlled to cut off the current when the electric leakage current is large. The electric leakage fire detector selects TWA-X4D/100J, and the electric leakage fire controller selects TWA-J2.

Because the electric automobile has randomness and fluctuation of being connected to a power grid, when a large-scale electric automobile is connected to the power grid through a charging facility for energy supplement, new challenges are brought to normal and safe operation of the power grid, and particularly, when the electric automobile is connected to the power grid for charging in a centralized manner in a power consumption peak period, problems of power grid load overload, power distribution transformer overload, loss increase of a power distribution network and the like in an area can be caused. According to the dry-type transformer, the mode that the reactive compensation device is arranged on the low-voltage side of the transformer in a centralized mode is adopted, the plurality of power capacitor banks are connected in parallel on the low-voltage bus, the switching of the power capacitor banks is automatically controlled by the compensation device, and the control equipment can directly control the switching of the capacitor banks according to the collected real-time power factor data. After the reactive power compensation device is arranged, the utilization rate of the transformer is improved, the network loss is reduced, and the economical efficiency is higher.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.