CN212624250U

CN212624250U - Electric automobile trades electric bootstrap system

Info

Publication number: CN212624250U
Application number: CN202021448696.1U
Authority: CN
Inventors: 王聪; 杨全凯; 王志海; 武朋
Original assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Jizhi New Energy Automobile Technology Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Jizhi New Energy Automobile Technology Co Ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-02-26
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses an electric automobile battery replacement guiding system, which comprises a license plate recognition sensor, a barrier gate display device, an in-station display device, a station control host and a cloud end; the license plate recognition sensor is arranged on a barrier gate of an access channel of the battery replacement station, the barrier gate display device is arranged on the barrier gate of the access channel of the battery replacement station, the in-station display device is arranged near a designated battery replacement position of a vehicle, the license plate recognition sensor, the barrier gate display device and the in-station display device are all in communication connection with the station control host, the station control host is in communication connection with the vehicle ECU, and the station control host is in communication connection with the cloud. The utility model discloses a trade electric operation more simple and easy, and do not need the guide of on duty personnel or assistance trading the electric in-process, the user can be better understanding with participate in unmanned trading the electricity.

Description

Electric automobile trades electric bootstrap system

Technical Field

The utility model relates to an electric automobile trades power station technical field, concretely relates to electric automobile trades electric bootstrap system.

Background

In recent years, electric vehicles have been developed in a blowout mode, and compared with traditional fuel vehicles, the electric vehicles are more energy-saving and environment-friendly and become mobile terminals for energy storage, but are limited by battery technologies at present, the battery capacity and the charging time of the electric vehicles are problems which cannot be avoided at the present stage, and in a plurality of power-on modes, the power-changing mode is an extremely fast, convenient and safe method.

With the development of a new generation of power changing station technology, an unattended site gradually becomes a main development direction of a power changing station, but the problem of how to effectively prompt to help a customer to complete a power changing process under the condition that unattended operation of the power changing station is not provided or a user is prompted to perform power changing process operation needs to be solved when the unattended site is realized.

Disclosure of Invention

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an electric automobile trades electric bootstrap system in the first aspect, including license plate discernment sensor, banister display device, display device in the station, station accuse host computer and high in the clouds;

the license plate recognition sensor is arranged on a barrier gate of an access passage of the battery replacement station, the barrier gate display device is arranged on the barrier gate of the access passage of the battery replacement station, the display device in the station is arranged near a designated battery replacement position of a vehicle, the license plate recognition sensor, the barrier gate display device and the display device in the station are all in communication connection with the station control host, the station control host is in communication connection with the vehicle ECU, and the station control host is in communication connection with the cloud.

Further, the barrier display device comprises a first display screen and a first sound box;

the first display screen and the first sound box are both arranged on a barrier gate of an access channel of the power station, the first sound box is in communication connection with the first display screen, and the first display screen is in communication connection with the station control host.

Further, the in-station display device comprises a second display screen and a second sound box;

the second display screen and the second sound box are both arranged near the appointed vehicle battery replacement position, the second sound box is in communication connection with the second display screen, and the second display screen is in communication connection with the station control host.

Further, the second display screen comprises one or more of a welcome language display window, a help information display window, a battery replacement guide information display window, an advertisement information display window and an entertainment information display window.

Further, the device also comprises a channel display device;

the channel display device is arranged on the battery swapping channel and is in communication connection with the station control host.

Further, the channel display device comprises a third display screen;

the third display screen comprises one or more of a power station changing name display window, a power price information display window, an operation state display window, a time information display window and a weather display window, and the third display screen is in communication connection with the station control host.

Further, the door lintel display device is also included;

the door lintel display device is arranged on a door lintel of the power switching station and is in communication connection with the station control host.

Further, the door lintel display device comprises a fourth display screen;

the fourth display screen is arranged on a door head of the battery replacement station, the fourth display screen comprises one or more of a battery replacement station name display window, a power price information display window, an operation state display window, a time information display window and a weather display window, and the fourth display screen is in communication connection with the station control host.

Further, a vehicle position sensor is also included;

the vehicle position sensor is arranged near the designated vehicle battery replacement position, and is used for detecting whether a vehicle arrives at or leaves the designated vehicle battery replacement position and sending a detection result to the station control host, and the vehicle position sensor is in communication connection with the station control host.

Further, the system also comprises a user terminal;

the user terminal is used for scanning the two-dimensional code displayed by the display device in the station and sending power change confirmation information to the station control host, and the user terminal is in communication connection with the station control host.

Implement the utility model discloses following beneficial effect has:

the utility model discloses a driver trades man-machine interaction scheme at power station with unmanned, has mainly solved the personnel on duty problem of trading the power station, trades the power operation with traditional trade power station and need trade the power station on duty personnel help or the technical scheme that the suggestion user trades the power flow operation and compare, the utility model discloses a scheme does not need on duty personnel to guide or assist trading the power in-process, and the user can be better understanding and participate in unmanned trading the power, and trade the power operation and simplify more.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a block diagram of a power exchange guidance system for an electric vehicle according to an embodiment of the present invention;

fig. 2 is a schematic view of a barrier gate display device according to an embodiment of the present invention;

fig. 3 is a schematic view of a vehicle authentication process provided by an embodiment of the present invention;

fig. 4 is an interaction schematic diagram of an electric vehicle battery replacement guidance system provided by an embodiment of the present invention;

fig. 5 is an interface schematic diagram of a second display screen in the power swap preparation phase according to the embodiment of the present invention;

fig. 6 is a battery swapping flow chart displayed on the battery swapping guide information display window provided in the embodiment of the present invention;

fig. 7 is a schematic view of an interface for timing before power swapping starts, according to an embodiment of the present invention;

fig. 8 is an interface schematic diagram of a second display screen provided by the embodiment of the present invention;

fig. 9 is an interface schematic diagram of the second display screen in the case of abnormal battery replacement provided by the embodiment of the present invention;

fig. 10 is a schematic interface diagram of the second display screen in the case of abnormal power change provided by the embodiment of the present invention;

fig. 11 is a flowchart of a power change guiding method for an electric vehicle according to an embodiment of the present invention;

fig. 12 is a flowchart of a method for guiding battery replacement of an electric vehicle according to an embodiment of the present invention.

The system comprises a license plate recognition sensor 1, a barrier gate display device 2, a display device 3 in a station, a station control host 4, a cloud end 5, a first display screen 21 and a first sound box 22.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout.

Examples

Fig. 1 is a block diagram of a power exchange guiding system for an electric vehicle according to an embodiment of the present invention, specifically as shown in fig. 1, the power exchange guiding system for an electric vehicle according to an embodiment of the present invention includes a license plate recognition sensor 1, a barrier gate display device 2, an in-station display device 3, a station control host 4 and a cloud 5;

license plate recognition sensor 1 sets up on trading the banister of power station access way, banister display device 2 sets up on trading the banister of power station access way, and display device 3 sets up near appointed vehicle trades electric position in the station, and license plate recognition sensor 1, banister display device 2, display device 3 in the station all with station accuse host computer 4 communication connection, station accuse host computer 4 and vehicle ECU communication connection, station accuse host computer 4 and high in the clouds 5 communication connection.

The barrier display device 2 is used for displaying the vehicle authentication state and prompting the user to operate by voice; fig. 2 is a schematic view of a barrier display device 2 according to an embodiment of the present invention, specifically, as shown in fig. 2, the barrier display device 2 includes a first display screen 21 and a first sound box 22; wherein, the first sound box 22 includes: speaker, power amplifier circuit board, constant voltage power supply, volume knob.

The first display screen 21 and the first sound box 22 are both arranged on a barrier gate of an entrance channel of the power swapping station, fig. 2 shows a situation that the first display screen 21 and the first sound box 22 are both fixed on a barrier gate panel, and in actual use, the arrangement positions of the first display screen 21 and the first sound box 22 can be adjusted to positions near the barrier gate, which are easily found by other vehicles entering the power swapping station, according to actual needs.

The first sound box 22 is in communication connection with the first display screen 21, and the first display screen 21 is in communication connection with the station control host 4. Preferably, the first speaker 22 is connected to the first display screen 21 by a wire, alternatively, the first speaker 22 is connected to the first display screen 21 in a wireless communication manner, and the wireless communication connection manners that can be used specifically include Bluetooth (Bluetooth), wireless local area network 802.11 (Wi-Fi), infrared data transmission (IrDA), Zigbee, Ultra WideBand (Ultra WideBand), short range communication (NFC), WiMedia, GPS, DECT, wireless 1394, dedicated wireless system, WLAN, UWB, 2.5G, 3G, 4G, 5G, NB-LOT, GPRS, and WAP wireless communication technologies.

Fig. 3 is a schematic diagram of a vehicle authentication process provided by an embodiment of the present invention, specifically as shown in fig. 3, the unmanned battery replacement process-barrier gate display screen displays different information according to the recognition result of the license plate recognition sensor 1, and fig. 3 shows the following situations:

identifying the license plate information and displaying Zhe AXXXXXXX welcome "

If the Zhe AXXXXX passes the authentication, displaying that the user wants to enter the power exchange station after passing the authentication and broadcasting the information in voice;

thirdly, if the vehicle authentication is overtime, displaying 'authentication overtime, please enter the identification area again';

fourthly, if the vehicle is identified to have arrears, displaying 'vehicle arrears, request payment'

Identifying that there is no license plate, displaying that the license plate is not identified and the speech is played at the same time "

Sixthly, recognizing the abnormal license plate, displaying the abnormal vehicle and asking for checking the license plate.

Fig. 4 is an interaction schematic diagram of an electric vehicle battery replacement guidance system provided in an embodiment of the present invention, specifically, as shown in fig. 4, the display device 3 in the station includes a second display screen and a second sound box;

the second display screen and the second sound box are both arranged near the appointed vehicle battery replacement position, the second sound box is in communication connection with the second display screen, and the second display screen is in communication connection with the station control host 4.

Fig. 5 is an interface schematic diagram of the second display screen at the power conversion preparation stage, specifically as shown in fig. 5, the display device 3 is mainly used for power conversion flow demonstration, advertisement information delivery, help telephone prompting, etc. in the station, and the power amplifier speaker mainly provides the sound information of the power conversion flow and the advertisement.

Preferably, the second display screen includes one or more of a welcome language display window, a help information display window, a battery change guide information display window, an advertising information display window, and an entertainment information display window.

Referring to fig. 4, the electric vehicle battery replacement guiding system provided in the embodiment of the present invention further includes a channel display device;

the channel display device is arranged on a channel from the entrance of the battery replacement station to the designated battery replacement position of the vehicle, and is in communication connection with the station control host 4. The channel display device includes a third display screen. The third display screen comprises one or more of a power station changing name display window, a power price information display window, an operation state display window, a time information display window and a weather display window, and the third display screen is in communication connection with the station control host.

The third display screen comprises one or more of a power station changing name display window, a power price information display window, an operation state display window, a time information display window and a weather display window, and the third display screen is in communication connection with the station control host 4.

With reference to fig. 4, the electric vehicle battery replacement guidance system provided in the embodiment of the present invention further includes a door lintel display device, which is mainly used for releasing information such as a preferential activity of the battery replacement station and a name of the battery replacement station, where the information is controlled by a cloud; the door lintel display device is arranged on a door lintel of the power station and is in communication connection with the station control host 4. The door lintel display device comprises a fourth display screen.

The fourth display screen is arranged on a door head of the battery replacement station, the fourth display screen comprises one or more of a battery replacement station name display window, a power price information display window, an operation state display window, a time information display window and a weather display window, and the fourth display screen is in communication connection with the station control host 4.

Further, a vehicle position sensor is also included;

the vehicle position sensor is arranged near the designated vehicle battery replacement position, the vehicle position sensor is used for detecting whether the vehicle arrives at or departs from the designated vehicle battery replacement position and sending a detection result to the station control host computer 4, and the vehicle position sensor is in communication connection with the station control host computer 4.

In the battery replacement preparation stage, if the detection result indicates that the vehicle is not at the specified vehicle battery replacement position (namely the vehicle does not reach the specified vehicle battery replacement position); the station control host 4 sends a request for displaying prompt information to the in-station display device 3 when receiving the detection result; the display device 3 in the station responds to the request for displaying the prompt information and displays the prompt information for continuing the power change preparation; the prompt information for continuing the power change preparation is used for reminding the vehicle to be changed to continue to drive to the specified vehicle power change position. For example, the content of the prompt message may be "do not travel to the specified position in time, please drive away", and the presentation form of the prompt message includes, but is not limited to, any one or a combination of several of characters, pictures, audio, video, and the like.

Further, the system also comprises a user terminal;

the user terminal is used for scanning the graphical identifier displayed by the display device 3 in the station and sending power change confirmation information to the station control host 4; the user terminal is in communication connection with the station control host 4, and the graphic identifier comprises a one-dimensional code and/or a two-dimensional code.

In a preferred embodiment, the station control host 4 of the electric vehicle battery replacement guiding system is arranged locally; in an alternative embodiment, the site-controlled host 4 is located off-site.

In one embodiment, the station control host 4 includes the following modules:

the vehicle authentication module is used for performing vehicle authentication according to the received license plate recognition result;

the driving prompt module is used for sending a request for displaying the driving prompt information to the barrier display device 2 when the vehicle passes the authentication;

the battery replacement preparation guiding module is used for responding to information that the vehicle reaches a specified vehicle battery replacement position and sending a request for displaying the battery replacement preparation guiding information to the in-station display device 3;

the first judgment module is used for judging whether the vehicle finishes power change preparation according to vehicle state information acquired from a vehicle ECU; the vehicle state information comprises gear information, braking state information and steering wheel steering information;

the power swapping confirmation module is used for sending a request for displaying a graphic identifier for acquiring the user power swapping confirmation information to the in-station display device 3 when the vehicle finishes power swapping preparation;

the second judgment module is used for judging whether the user power change confirmation information is received within the preset time length;

the power swapping guide module is used for sending a request for displaying the power swapping guide information to the display device 3 in the station when receiving the power swapping confirmation information of the user;

and the overtime prompting module is used for sending a request for displaying the overtime prompting information to the in-station display device 3 when the power change confirmation information of the user is not received.

In one embodiment, the station control host 4 includes the following modules:

the timing module is used for waiting for preset countdown when the vehicle finishes the battery replacement preparation;

and the battery swapping guide module is used for sending a request for displaying the battery swapping guide information to the in-station display device 3 when the preset countdown is finished.

The cloud 5 comprises a wireless communication module, a processor and a data memory; the wireless communication module is used for communicating with the station control host, and a long-distance wireless communication module or a short-range wireless communication module can be selected according to actual needs; the data memory is used for storing information such as the specification, the name and the code of the battery replacement station, information such as the name and the code of the station control host, license plate number, vehicle type, battery type, payment and expense information of the vehicle and the like. The processor at least comprises a release information management module, a business response module and a daily supervision module. The system comprises a release information management module, a release information management module and a release information management module, wherein the release information management module is used for managing and updating release information of at least one station control host; the service response module is used for receiving a vehicle authentication request/vehicle information acquisition request sent by the station control host and sending an authentication result or a vehicle information query result to the station control host; the daily supervision module is used for receiving the daily operation and maintenance record and the real-time monitoring information of the power switching station sent by the station control host, so that remote monitoring and management of at least one power switching station are realized.

Fig. 6 is a battery replacement flow chart of the display of the battery replacement guidance information display window provided in the embodiment of the present invention, specifically as shown in fig. 6, the normal battery replacement flow is divided into 6 steps, which are respectively completed for battery replacement preparation, battery replacement start, battery disassembly, battery carrying, battery installation, and battery replacement. The display contents and the sequence of the power swapping guide information display window in the normal power swapping process are sequentially shown in fig. 6.

With continued reference to fig. 5 and 6, in order to make the swap guiding information easy to understand, the swap guiding information may also be displayed in cooperation with live-action images and/or animations.

Fig. 7 is an interface schematic diagram for timing before power swapping starts according to an embodiment of the present invention, and specifically as shown in fig. 7, in an alternative implementation, the step of scanning two-dimensional code confirmation shown in fig. 6 may be replaced by the step of automatically triggering power swapping start when power swapping preparation is completed and a preset timing duration is reached, which is shown in fig. 7.

Preferably, when the battery swapping process is not completed, the battery swapping guide information is displayed in a first display state, and when the battery swapping process is completed, the battery swapping guide information is displayed in a second display state different from the first display state.

The difference between the first display state and the second display state is set on the principle that a driver can easily distinguish the first display state from the second display state by naked eyes, for example, the first display state adopts highlight display, and the second display state adopts highlight display; the first display state is displayed by adopting a first color, and the second display state is displayed by adopting a second color; it should be noted that, in order to distinguish the first display state from the second display state, in addition to the brightness and color, a background pattern, a shading, or a combination of any two or more of the brightness, the color, the background pattern, and the shading may be used to obtain different display states that can be clearly distinguished by naked eyes.

Fig. 8 is an interface schematic diagram of the second display screen provided by the embodiment of the present invention, specifically as shown in fig. 8, when the vehicle power exchange is completed according to the operation requirement, the second display screen of the display device in the station can display and/or the second speaker can be played to make the vehicle driver know that the power exchange station is about to stop business, so as to better participate in and cooperate with the management of the power exchange station, for example, the prompt message may be "stop business after 10 minutes, please leave the power exchange station".

Fig. 9 is an interface schematic diagram of the second display screen under the condition of replacing power abnormally provided by the embodiment of the utility model, fig. 10 is an interface schematic diagram of the second display screen under the condition of replacing power abnormally provided by the embodiment of the utility model, it is specific as shown in fig. 9 and fig. 10, when the power replacing flow exists abnormally, prompt information can pop up out from each interface display content of the second display screen, for example, "take place the fire, please leave immediately and replace the power station", "replace the power abnormally, ask to dial the customer service telephone below the screen". Preferably, when the abnormal reminding is performed, the window where the prompt message is located at the top/front of all the display windows, and a part of the windows is shielded.

Traditional trade power station trades electric operation and need trade power station on-duty personnel's help or the suggestion user trades electric flow operation, and the embodiment of the utility model discloses the scheme is applicable to unmanned on duty trades the power station, has solved the personnel on duty problem that trade the power station. As can be seen from the contents disclosed in fig. 6 to 10, the scheme disclosed in the embodiment of the present invention can ensure that the customer can timely know and master the state of the battery swapping station by displaying the current battery swapping state and which step the battery swapping state is in the whole battery swapping process in real time.

The display device in the station can be used for demonstrating the battery changing process, a battery changing motorized display window is arranged on a display screen of the display device, and the current battery changing state of the vehicle is displayed in an animation mode, so that the battery changing process is more simplified and entertained.

The in-station display device can also be used for advertising information release, and an information display window for information, entertainment and advertising information release is arranged on a display screen of the in-station display device, so that related information is displayed/played in the power changing process, and meanwhile, a income channel is increased for the power changing station.

Meanwhile, interesting power change flow animation demonstration and entertainment information are helpful for achieving the effect of avoiding/relieving urgent waiting and discomfort of a user in the power change process.

Fig. 11 is a flowchart of an electric vehicle battery replacement guiding method provided by an embodiment of the present invention, and the present specification provides the method operation steps as in the embodiment or the flowchart, but more or less operation steps may be included based on conventional or non-inventive labor. The order of steps recited in the embodiments is merely one manner of performing the steps in a multitude of orders and does not represent the only order of execution. In practice, the system or server product may be implemented in a sequential or parallel manner (e.g., parallel processor or multi-threaded environment) according to the embodiments or methods shown in the figures. The electric vehicle battery replacement guiding method shown in fig. 11 is applied to the station control host side, and specifically as shown in fig. 11, the method may include the following steps:

s101: performing vehicle authentication according to the received license plate recognition result;

s102: when the vehicle passes the authentication, a request for displaying the driving prompt information is sent to the barrier display device 2;

s103: in response to information that the vehicle reaches the designated vehicle battery replacement position, sending a request for displaying battery replacement preparation guide information to the in-station display device 3;

s104: judging whether the vehicle finishes power change preparation or not according to vehicle state information acquired from a vehicle ECU; the vehicle state information comprises gear information, braking state information and steering wheel steering information;

s105: when the vehicle has completed the power change preparation, sending a request for displaying a graphic identifier for acquiring the user power change confirmation information to the in-station display device 3;

s106: judging whether a user power change confirmation message is received within a preset time length;

s107: when receiving the user power change confirmation information, sending a request for displaying the power change guide information to the in-station display device 3;

s108: and when the user power change confirmation information is not received, sending a request for displaying the overtime reminding to the in-station display device 3.

The embodiment of the utility model provides an electric automobile trades electric guide method is provided, uses in station accuse host computer side, and the method is based on the utility model discloses electric automobile trades electric guide system that the first aspect provided goes on, and fig. 12 is the utility model discloses the electric automobile trades the flow chart of electric guide method that the embodiment provides, specific as shown in fig. 12, this method includes following step:

s201: performing vehicle authentication according to the received license plate recognition result;

s202: when the vehicle passes the authentication, sending a request for displaying the driving prompt information to a barrier display device;

s203: sending a request for displaying power swapping preparation guide information to a display device in a station in response to information that the vehicle reaches a specified vehicle power swapping position;

s204: judging whether the vehicle finishes power change preparation or not according to vehicle state information acquired from a vehicle ECU; the vehicle state information comprises gear information, braking state information and steering wheel steering information;

s205: waiting for a preset countdown when the vehicle finishes the preparation of battery replacement;

s206: and when the preset countdown is finished, sending a request for displaying the power change guide information to the display device in the station.

The embodiment of the utility model provides an in designed a driver and unmanned human-computer interaction scheme that trades the power station, mainly solved the personnel on duty problem that trades the power station, trade the power station with traditional trade and trade the power operation and need trade the power station on duty personnel help or the suggestion user and trade the technical scheme that the flow was operated and compare, the utility model discloses a scheme does not need on duty personnel to guide or assist trading the power in-process, and the user can be better understanding and participate in unmanned trading the power, and trade the power operation more succinctly.

It should be noted that: the above sequence of the embodiments of the present invention is only for description, and does not represent the advantages and disadvantages of the embodiments. And specific embodiments thereof have been described above. Other embodiments are within the scope of the following claims.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An electric automobile power change guide system is characterized by comprising a license plate recognition sensor (1), a barrier gate display device (2), an in-station display device (3), a station control host (4) and a cloud (5);

license plate discernment sensor (1) sets up on trading the banister of power station access way, banister display device (2) set up on trading the banister of power station access way, display device (3) set up near appointed vehicle trades electric position in the station, license plate discernment sensor (1) banister display device (2) in the station display device (3) all with station accuse host computer (4) communication connection, station accuse host computer (4) and vehicle ECU communication connection, station accuse host computer (4) with high in the clouds (5) communication connection.

2. The electric automobile power change guiding system as claimed in claim 1, wherein the barrier display device (2) comprises a first display screen (21) and a first sound box (22);

the first display screen (21) and the first sound box (22) are arranged on a barrier of an access channel of the power station, the first sound box (22) is in communication connection with the first display screen (21), and the first display screen (21) is in communication connection with the station control host (4).

3. The electric automobile power change guiding system as claimed in claim 1, wherein the in-station display device (3) comprises a second display screen and a second sound box;

the second display screen and the second sound box are both arranged near the appointed vehicle battery replacement position, the second sound box is in communication connection with the second display screen, and the second display screen is in communication connection with the station control host (4).

4. The electric vehicle battery replacement guiding system as recited in claim 3, wherein the second display screen comprises one or more of a welcome language display window, a help information display window, a battery replacement guiding information display window, an advertising information display window, and an entertainment information display window.

5. The electric vehicle battery replacement guiding system as claimed in claim 1, further comprising a channel display device;

the channel display device is arranged on the battery replacement channel and is in communication connection with the station control host (4).

6. The electric vehicle battery replacement guiding system as claimed in claim 5, wherein the channel display device comprises a third display screen;

the third display screen comprises one or more of a power station changing name display window, a power price information display window, an operation state display window, a time information display window and a weather display window, and the third display screen is in communication connection with the station control host (4).

7. The electric automobile battery replacement guiding system as claimed in claim 1, further comprising a door lintel display device;

the door lintel display device is arranged on a door lintel of the power switching station and is in communication connection with the station control host (4).

8. The electric automobile battery replacement guiding system as claimed in claim 7, wherein the door lintel display device comprises a fourth display screen;

the fourth display screen is arranged on a door head of the battery replacement station, the fourth display screen comprises one or more of a battery replacement station name display window, a power price information display window, an operation state display window, a time information display window and a weather display window, and the fourth display screen is in communication connection with the station control host (4).

9. The electric vehicle battery replacement guiding system as claimed in claim 1, further comprising a vehicle position sensor;

the vehicle position sensor is arranged near the designated vehicle battery replacement position, and is used for detecting whether a vehicle arrives at or leaves the designated vehicle battery replacement position and sending a detection result to the station control host (4), and the vehicle position sensor is in communication connection with the station control host (4).

10. The electric vehicle battery replacement guiding system as claimed in claim 1, further comprising a user terminal;

the user terminal is used for scanning the two-dimensional code displayed by the display device (3) in the station and sending power change confirmation information to the station control host (4), and the user terminal is in communication connection with the station control host (4).