CN117751047A - Electricity exchanging system - Google Patents

Electricity exchanging system Download PDF

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Publication number
CN117751047A
CN117751047A CN202280054031.8A CN202280054031A CN117751047A CN 117751047 A CN117751047 A CN 117751047A CN 202280054031 A CN202280054031 A CN 202280054031A CN 117751047 A CN117751047 A CN 117751047A
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CN
China
Prior art keywords
information
target vehicle
battery
power
station control
Prior art date
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Pending
Application number
CN202280054031.8A
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Chinese (zh)
Inventor
王清明
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Contemporary Amperex Energy Service Technology Ltd
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Contemporary Amperex Energy Service Technology Ltd
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Application filed by Contemporary Amperex Energy Service Technology Ltd filed Critical Contemporary Amperex Energy Service Technology Ltd
Publication of CN117751047A publication Critical patent/CN117751047A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
    • B60S5/06—Supplying batteries to, or removing batteries from, vehicles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

A power conversion system comprises station control equipment and an information output device; the station control equipment is used for controlling the information output device to output guide information, and the guide information is used for guiding a driver of the target vehicle to finish power conversion preparation operation; and the station control equipment is also used for carrying out power change operation on the target vehicle after detecting that the power change preparation operation is finished. The station control equipment outputs the guide information through the information output device, a driver of the target vehicle is guided to finish the power change preparation operation, and after the completion of the power change preparation operation is detected, the power change operation is performed on the target vehicle, the on-the-surface communication between a power change station person and the driver is not needed, the guidance is performed, and the convenience of the power change operation is improved.

Description

Electricity exchanging system Technical Field
The application relates to the technical field of vehicle power conversion control, in particular to a power conversion system.
Background
At present, a power exchange station for a new energy automobile is designed for the endurance of the new energy automobile, and a driver is required to communicate with the power exchange station in the power exchange process in an on-the-surface manner through a power exchange station personnel to guide the driver to operate, so that the operation is very inconvenient.
Disclosure of Invention
According to various embodiments of the present application, a power conversion system is provided, which can improve convenience of power conversion operation.
The application provides a power conversion system, which comprises station control equipment and an information output device;
the station control device is used for controlling the information output device to output guide information, wherein the guide information is used for guiding a driver of a target vehicle to finish power conversion preparation operation;
the station control device is further used for carrying out power change operation on the target vehicle after detecting that the power change preparation operation is completed.
According to the power conversion system, the station control equipment outputs the guide information through the information output device, the driver of the target vehicle is guided to finish power conversion preparation operation, after the completion of the power conversion preparation operation is detected, the power conversion operation is performed on the target vehicle, the power conversion station personnel do not need to communicate with the driver on the surface to conduct guidance, and the convenience of the power conversion operation is improved.
In one embodiment, the power conversion system further comprises: information acquisition device and cloud server;
the information acquisition device is used for acquiring image information of the target vehicle and sending the image information to the cloud server;
the cloud server is used for acquiring a vehicle identifier of a target vehicle according to the image information and sending the vehicle identifier to the station control equipment;
The station control equipment is also used for verifying the target vehicle according to the vehicle identification of the target vehicle, and controlling the information output device to output the guide information after the verification is passed.
The information acquisition device acquires the image information of the target vehicle, the cloud server acquires the vehicle identification of the target vehicle according to the image information and sends the vehicle identification to the station control equipment, the station control equipment verifies the target vehicle according to the vehicle identification, and the control information output device outputs the guide information after the verification is passed, so that illegal vehicles are prevented from entering the power exchange station to exchange electricity, and the safety of vehicle power exchange is improved.
In one embodiment, the cloud server is configured to obtain license plate information according to the image information, obtain a VIN code of the target vehicle according to the license plate information, and send the VIN code as the vehicle identifier to the station control device. And the VIN code of the target vehicle is acquired by using license plate information to verify the vehicle, so that the authentication is simple, convenient and quick, and the authentication efficiency can be improved.
In one embodiment, the cloud server is further configured to obtain communication information of the target vehicle according to the image information, and send the communication information to the station control device; the station control equipment is used for establishing communication connection with the target vehicle according to the communication information. And the cloud server acquires communication information of the target vehicle according to the image information, and the station control equipment establishes communication connection with the target vehicle according to the communication information so as to carry out data communication with the target vehicle subsequently.
In one embodiment, the power conversion system further comprises an access gate; the station control equipment is used for receiving battery information sent by the target vehicle based on the communication connection, verifying the validity of the battery of the target vehicle according to the battery information, and controlling the gate entering machine to open after the verification is passed. After the target vehicle is verified, the obtained battery information is combined to perform validity verification on the battery of the target vehicle, and after the battery verification is passed, the gate entering machine is controlled to open, so that the target vehicle is allowed to enter the power exchange station to exchange electricity. Meanwhile, the vehicle identification and the battery information are combined for authentication, so that the situation that license plates are inconsistent with the vehicle identification and the battery information and the recorded information is avoided, and the power conversion safety is improved.
In one embodiment, the power conversion system further comprises an alignment recognition device; the alignment recognition device is used for collecting the position information of the target vehicle and sending the position information to the station control equipment; the station control equipment is also used for controlling the information output device to output the guide information after the target vehicle is determined to be positioned at the position of the change according to the position information. After confirming that the target vehicle is positioned at the power change position according to the position information, the station control equipment controls the information output device to output guide information so as to guide a driver of the target vehicle to perform power change preparation operation, and accordingly power change is performed on the vehicle after the power change preparation operation is completed.
In one embodiment, the alignment recognition device comprises a radar device and/or a laser alignment device. The specific vehicle position detection mode can be selected according to actual requirements, and the detection is convenient and reliable.
In one embodiment, the station control device is further configured to activate a power-changing authority of a client bound to the target vehicle after determining that the target vehicle is located at the power-changing location. And after the target vehicle has reached the power change position, activating the power change authority of the client bound with the target vehicle so that a driver initiates a power change request through the client.
In one embodiment, the station control equipment comprises a station control host and a power exchanging device; the station control host is used for receiving a power change request sent by the client after detecting that the power change preparation operation is finished, wherein the power change request comprises information of a target battery to be replaced; the station control host is used for sending a power change instruction to the power change device according to the power change request; the power changing device is used for executing the power changing operation according to the power changing instruction. And the station control host generates a power change instruction according to the power change request sent by the client and sends the power change instruction to the power change device, and the power change device changes the power of the target vehicle according to the power change instruction, so that the autonomous power change control of the vehicle according to the power change requirement is realized.
In one embodiment, the power exchanging device is configured to obtain a replacement battery from a battery compartment according to the number N of target batteries in the power exchanging instruction, and replace the target batteries with the replacement battery. The battery replacing device combines the quantity of actually needed replaced batteries to select the batteries from the battery bin for replacement, and the actual power replacing requirement is met better.
In one embodiment, the power exchanging device is configured to obtain N replacement batteries and M empty batteries from the battery compartment when the number of the target batteries is smaller than the total number P of the batteries of the target vehicle; the electric quantity of the replacement battery is larger than a preset electric quantity threshold value, and the SOC of the replacement battery is smaller than a preset SOC threshold value, wherein N+M=P. When the partial battery replacement is needed for the target vehicle, the battery replacing device selects the corresponding number of replacement batteries meeting the requirement, and also selects the corresponding number of empty batteries to replace all batteries of the target vehicle, so that the situation that the power supply safety is influenced due to the voltage difference between the replacement batteries and the non-replacement batteries when the vehicle is only replaced with the partial batteries is avoided, and the safety of vehicle battery replacement is improved.
In one embodiment, the power exchanging device is configured to obtain P replacement batteries from the battery compartment when the number of the target batteries is equal to the total number P of the batteries of the target vehicle; the electric quantity of the replacement battery is larger than a preset electric quantity threshold value, and the SOC of the replacement battery is smaller than a preset SOC threshold value. When all batteries of the vehicle are required to be replaced, the battery replacing device selects the replacement batteries meeting the requirements from the battery bin to replace all batteries in the vehicle, so that the power supply safety of the vehicle is ensured.
In one embodiment, the station control device is further configured to receive vehicle status information reported by the target vehicle, and determine whether the power-change preparation operation is completed according to the vehicle status information. The station control device is communicated with the target vehicle after the guiding information is output, acquires the vehicle state information of the target vehicle, analyzes whether the power change preparation operation is finished, and automatically executes the power change operation on the target vehicle after the power change preparation operation is finished.
In one embodiment, the station control device is further configured to perform an upper high voltage limiting process on the target vehicle after detecting that the power-change preparation operation is completed. The station control equipment performs high-voltage limiting treatment on the target vehicle after the battery replacement preparation operation is finished, so that the situation that the vehicle triggers the high-voltage operation by mistake in the battery replacement process is avoided, and the safety of the battery replacement operation is improved.
In one embodiment, the power conversion system further comprises a battery acquisition device and a mobile device;
the station control equipment is used for controlling the battery acquisition device to take out a replacement battery from the battery compartment and placing the replacement battery in the mobile device;
the station control device is further used for controlling the mobile device to convey the replacement battery to a power replacement position of the target vehicle.
When the station control equipment executes the power change operation, the battery acquisition device is controlled to take out the replacement battery from the battery compartment, and the replacement battery is conveyed to the power change position of the vehicle by the moving device, so that automatic battery selection is realized, and battery replacement for the vehicle is facilitated.
In one embodiment, the power conversion system further comprises an outbound gate;
the station control equipment is also used for sending the information of the replacement battery to the target vehicle after the power change operation is completed, so that the target vehicle can perform replacement self-checking on the replacement battery after communication connection is established between the target vehicle and the replacement battery according to the information of the replacement battery;
the station control equipment is also used for controlling the gate opening of the outbound gate after receiving the replacement success information sent by the target vehicle.
The station control equipment transmits information of replacing the battery to the target vehicle after the battery is replaced, and confirms that the battery replacement is successfully executed after the target vehicle reports the successful replacement information, and controls the gate outlet to open so that the vehicle can drive away from the battery replacement station.
In one embodiment, the station control device is further configured to perform the power change operation again after receiving the replacement failure information sent by the target vehicle. If the battery replacement fails, the station control equipment reselects the battery to the battery replacement position of the vehicle again to replace the battery again, and the success rate of the vehicle battery replacement is improved.
In one embodiment, the station control device is further configured to control the outbound gate to open after the execution time of the power change operation exceeds a preset time threshold, or after the execution time of the power change operation exceeds a preset time threshold, and control the information output device to output a prompt message, where the prompt message is used to prompt a driver to drive away from the power change station. When the vehicle power change exceeds the preset times or the vehicle power change execution time exceeds the preset time, the outbound gate is controlled to open and prompt the vehicle to leave the power change station, so that the influence on the next vehicle power change is avoided.
The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below. Other features, objects, and advantages of the application will be apparent from the description and drawings, and from the claims.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an application scenario of a power conversion system in an embodiment;
FIG. 2 is a schematic diagram of a power conversion system according to an embodiment;
FIG. 3 is a schematic diagram of a power conversion system according to another embodiment;
FIG. 4 is a schematic diagram of a power conversion system according to another embodiment;
fig. 5 is a schematic structural diagram of a station apparatus in an embodiment.
Detailed Description
Embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical solutions of the present application, and thus are only examples, and are not intended to limit the scope of protection of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.
In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, which means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural sheets" refers to two or more (including two).
In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present application and for simplifying the description, rather than indicating or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.
In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
Along with the development of technology and the continuous progress of society, the application field of the power battery is continuously expanded, and the power battery is not only applied to electric vehicles such as electric bicycles, electric motorcycles, electric automobiles and the like, but also applied to a plurality of fields such as military equipment, aerospace and the like. The power battery is a power source for providing power source for the tool, and is mostly a valve port sealed lead-acid battery, an open tubular lead-acid battery and a lithium iron phosphate battery, and has the characteristics of high energy, high power, high energy density and the like. Taking an electric automobile as an example, in the use process of the electric automobile, the electric automobile needs to enter a battery replacement station to replace a battery so as to ensure that the endurance mileage and the power of the battery in the automobile meet the requirements.
In the traditional power conversion process, the operator needs to communicate with the driver on the surface to guide the driver to perform the preparation operation before power conversion, which is very inconvenient. Based on this, this application provides a battery replacement system, including standing accuse equipment and information output device, standing accuse equipment passes through information output device output guide information, and the driver of guiding the target vehicle accomplishes the battery replacement preparation operation to after detecting that the battery replacement preparation operation is accomplished, carry out the battery replacement operation to the target vehicle, need not to trade the power station personnel and carry out the guidance with the driver on-the-spot communication, improved the battery replacement operation convenience.
The power conversion system provided by the embodiment of the application can be applied to an application environment shown in fig. 1. The client 300 and the station control device 110 communicate with the cloud server 130 through a network, and the vehicle 200 communicates with the station control device 110. Specifically, the cloud server 130 acquires the vehicle identifier and the communication information of the target vehicle according to the image information of the target vehicle, and transmits the vehicle identifier and the communication information of the target vehicle to the station control device 110, the station control device 110 verifies the target vehicle according to the vehicle identifier, establishes communication connection with the target vehicle according to the communication information after the verification is passed, acquires the battery information of the target vehicle to perform battery validity verification, and outputs guide information through the information output device after the verification is passed, so as to guide a driver of the target vehicle to complete the power change preparation operation. After detecting that the power change preparation operation is completed, the station control device 110 performs the power change operation on the target vehicle according to the power change request sent by the client 300. The station control device 110 may be a set of one or more control devices, and the cloud server 130 may be implemented by an independent server or a server cluster formed by a plurality of servers. The client 300 may be, but is not limited to, various personal computers, notebook computers, smartphones, tablet computers, and portable wearable devices, which may be smartwatches, smartbracelets, headsets, etc.
In one embodiment, as shown in fig. 2, there is provided a power conversion system, including a station control device 110 and an information output apparatus 120, where the station control device 110 is configured to control the information output apparatus 120 to output guidance information; the station control device 110 is further configured to perform a power change operation on the target vehicle after detecting that the power change preparation operation is completed.
The guiding information is used for guiding a driver of the target vehicle to finish the power change preparation operation. When the power change operation is required for the target vehicle, the station control device 110 controls the information output device 120 to output guide information, guides the driver of the target vehicle to finish the power change preparation operation and detects the state of the vehicle, and executes the power change operation for the target vehicle after determining that the target vehicle finishes the power change preparation operation. The specific configuration of the information output apparatus 120 is not unique, and the manner of outputting the guidance information may be different depending on the configuration of the information output apparatus 120. In particular, the information output device 120 may include one or more of an indicator light, a speaker, and a battery exchange station display. Further, when the information is output through the battery replacement station display screen, one or two of characters and patterns can be displayed on the screen to guide the driver, so that the driver can be guided to perform battery replacement preparation operation on the target vehicle. It can be understood that the specific content of the power conversion preparation operation is not unique, and the power conversion preparation operation can be set according to actual requirements. In the process of the driver performing the power-change preparation operation, the station control device 110 performs communication with the target vehicle to detect the vehicle state, and performs the power-change operation on the target vehicle after judging that the power-change preparation operation of the target vehicle is completed according to the vehicle state.
In the power conversion system, the station control device 110 outputs the guiding information through the information output device 120, so as to guide the driver of the target vehicle to finish the power conversion preparation operation, and after detecting that the power conversion preparation operation is finished, the power conversion operation is performed on the target vehicle, so that the power conversion station personnel do not need to communicate with the driver on the surface to guide, and the convenience of the power conversion operation is improved.
In one embodiment, as shown in fig. 3, the power conversion system further includes: information acquisition device 140 and cloud server 130. The information acquisition device 140 is configured to acquire image information of the target vehicle, and send the image information to the cloud server 130; the cloud server 130 is configured to obtain a vehicle identifier of the target vehicle according to the image information, and send the vehicle identifier to the station control device 110; the station control apparatus 110 is further configured to verify the target vehicle according to the vehicle identification of the target vehicle, and to control the information output device 120 to output the guidance information after the verification is passed.
The manner in which the information acquisition device 140 acquires the image information of the target vehicle is not unique, and the image information may be acquired by an imaging or scanning apparatus or the like. Specifically, the information collecting device 140 may use a snapshot machine, obtain image information of the target vehicle by shooting through the snapshot machine, upload the image information to the cloud server 130, analyze and extract the image information of the target vehicle by the cloud server 130 to obtain a vehicle identifier of the target vehicle, and send the vehicle identifier to the station control device 110 for vehicle identity verification. The vehicle identification refers to unique identification information of the vehicle and is used for carrying out identity authentication on the vehicle. The specific type of the vehicle identification is not unique, and the license plate number of the vehicle can be obtained as the vehicle identification, or the associated information can be obtained as the vehicle identification according to the license plate number of the vehicle. Specifically, the license plate number and corresponding associated information may be stored in the cloud server 130, and the associated information may include information about the vehicle, and may also include information about a battery mounted on the vehicle. The related information of the vehicle may include vehicle communication address information, which may be bluetooth address information, WIFI address information, etc., and a vehicle VIN (Vehicle Identification Number, vehicle identification code) code, etc., and the related information of the battery mounted on the vehicle may include a battery code, a battery communication address, etc. When the vehicle identity authentication is carried out, specific information can be selected as the vehicle identification according to actual conditions to carry out the vehicle identity authentication operation.
In the above embodiment, the information acquisition device 140 acquires the image information of the target vehicle, the cloud server 130 acquires the vehicle identifier of the target vehicle according to the image information and sends the vehicle identifier to the station control device 110, the station control device 110 verifies the target vehicle according to the vehicle identifier, and after the verification is passed, the information output device 120 is controlled to output the guiding information, so that the illegal vehicle is prevented from entering the power exchange station to exchange electricity, and the safety of vehicle power exchange is improved.
In one embodiment, the cloud server 130 is configured to obtain license plate information according to the image information, obtain the VIN code of the target vehicle according to the license plate information, and send the VIN code as the vehicle identifier to the station control device 110. The VIN code contains information of a manufacturer, a year, a model and the like of the vehicle. The license plate number and the associated VIN code are stored in the cloud server 130, the cloud server 130 extracts the VIN code of the target vehicle according to the license plate information obtained by shooting, and sends the VIN code to the station control device 110 for vehicle identity verification, and whether the target vehicle is a registered vehicle is analyzed. For example, the station control device 110 may detect whether the VIN number is in a preset registered vehicle list, and if the VIN number is in the registered vehicle list, consider the target vehicle as the registered vehicle, and the target vehicle is verified. And the VIN code of the target vehicle is acquired by using license plate information to verify the vehicle, so that the authentication is simple, convenient and quick, and the authentication efficiency can be improved.
Further, in one embodiment, the cloud server 130 is further configured to obtain communication information of the target vehicle according to the image information, and send the communication information to the station control device 110; the station control device 110 is configured to establish a communication connection with the target vehicle according to the communication information. The communication information may specifically be bluetooth address information, WIFI address information, etc. Specifically, taking the communication information as bluetooth address information as an example, the cloud server 130 further stores a license plate number and associated bluetooth address information of the vehicle, and the cloud server 130 synchronously extracts the bluetooth address information of the target vehicle according to the captured license plate information and sends the bluetooth address information to the station control device 110, so that the station control device 110 establishes bluetooth communication connection with the target vehicle according to the bluetooth address information. In this embodiment, the cloud server 130 obtains the communication information of the target vehicle according to the image information, and the station control device 110 establishes a communication connection with the target vehicle according to the communication information, so as to perform data communication with the target vehicle subsequently.
Further, in one embodiment, as shown in fig. 4, the power conversion system further includes an in-station gate 150. The station control device 110 is configured to receive battery information sent by a target vehicle based on a communication connection, perform validity verification on a battery of the target vehicle according to the battery information, and control the gate entering machine 150 to open after the verification is passed.
The battery information refers to unique identification information of the battery and is used for verifying the validity of the battery on the target vehicle. The battery information may be a battery code, a battery communication address, etc. Specifically, the information collecting device 140 may be disposed at the inbound gate 150, obtain image information of the target vehicle, upload the image information to the cloud server 130, the cloud server 130 extracts VIN code of the target vehicle and bluetooth address information of the vehicle according to the license plate information obtained by photographing, and send the VIN code and bluetooth address information of the vehicle to the station control device 110, after the station control device 110 analyzes and confirms that the target vehicle is a registered vehicle in combination with the VIN code, bluetooth communication is established with the vehicle according to the bluetooth address information of the vehicle, obtain battery information sent by the target vehicle, and perform validity verification on the battery of the target vehicle according to the battery information, for example, the station control device 110 may detect whether the battery information is in a preset factory battery list, and if the battery information is in the factory battery list, consider the battery to be legal. After the battery is validated, the station control device 110 controls the inbound gate 150 to open, allowing the target vehicle to drive into the power exchange station.
In the above embodiment, after the target vehicle is verified, the validity of the battery of the target vehicle is verified by combining the obtained battery information, and after the battery verification is passed, the gate entering machine 150 is controlled to open, so that the target vehicle is allowed to enter the power exchange station for power exchange. Meanwhile, the vehicle identification and the battery information are combined for authentication, so that the situation that license plates are inconsistent with the vehicle identification and the battery information and the recorded information is avoided, and the power conversion safety is improved.
In one embodiment, as shown in fig. 3 and 4, the power conversion system further includes an alignment recognition device 160. The alignment recognition device 160 is configured to collect position information of the target vehicle and send the position information to the station control device 110; the station control apparatus 110 is further configured to control the information output device 120 to output the guidance information after determining that the target vehicle is located at the shift position based on the position information. The alignment recognition device 160 is not unique, and may include a radar device and/or a laser alignment device, so that a specific vehicle position detection mode may be selected according to actual requirements, so that the detection is convenient and reliable.
Taking the example that the alignment recognition device 160 includes both a radar device and a laser alignment device, the radar device may be disposed at the inbound gate 150, and the laser alignment device may be disposed at the power exchanging position. The radar at the station gate 150 detects the position of the target vehicle and reports the position to the station control equipment 110, the laser alignment device is used for carrying out V-groove laser alignment detection on the vehicle tyre, the station control equipment 110 judges that the vehicle enters a power change position according to the sensing signal of the radar, and after the vehicle is judged to be aligned according to the detection signal of the laser alignment device, the station control equipment 110 controls the information output device 120 to output guide information so as to guide a driver to carry out power change preparation operation.
In the above embodiment, after confirming that the target vehicle is located at the power change position based on the position information, the station control apparatus 110 controls the information output device 120 to output the guidance information, and guides the driver of the target vehicle to perform the power change preparation operation, so as to perform the power change on the vehicle after the completion of the power change preparation operation.
In one embodiment, the station control device 110 is further configured to activate a power-change authority of a client bound to the target vehicle after determining that the target vehicle is located at the power-change location. Specifically, after determining that the target vehicle is located at the power exchange position, the station control device 110 further forwards the control instruction to a client bound to the target vehicle through the cloud server 130, and activates the power exchange authority of the APP (Application program) on the client. It may be understood that, after determining that the target vehicle is located at the power change position, the station control device 110 activates the power change authority of the client, and may be performed synchronously or asynchronously with the output of the guidance information by the control information output device 120, so long as the power change authority of the client is activated before the power change operation is performed. And after the target vehicle has reached the power change position, activating the power change authority of the client bound with the target vehicle so that a driver initiates a power change request through the client.
Further, in one embodiment, as shown in fig. 5, the station control device 110 includes a station control host 112 and a power conversion device 114. The station control host 112 is configured to receive a power change request sent by the client after detecting that the power change preparation operation is completed, and the station control host 112 is further configured to send a power change instruction to the power change device 114 according to the power change request; the power exchanging device 114 is configured to perform a power exchanging operation according to the power exchanging instruction.
The battery replacement request includes information of a target battery to be replaced, and the information of the target battery can include information of battery positions, battery numbers and the like. The type of the power exchanging device 114 is not unique, and a PLC (Programmable Logic Controller ) may be specifically used. The station control host 112 is connected to the power exchanging device 114, the information output device 120, the station entry gate 150 and the alignment recognition device 160, and communicates with the cloud server 130. The station host 112 serves to perform vehicle authentication and battery validity authentication, control opening and closing of the entrance gate 150, and control the information output device 120 to output guide information. After detecting that the power-change preparation operation is completed, the station control host 112 sends a power-change instruction to the power-change device 114 according to the power-change request sent by the client, and controls the power-change device 114 to execute the power-change operation.
In the above embodiment, the station host 112 generates the power change command according to the power change request sent by the client, and sends the power change command to the power change device 114, and the power change device 114 changes the power of the target vehicle according to the power change command, so as to realize the autonomous power change control of the vehicle according to the power change requirement.
In one embodiment, the power exchanging device 114 is configured to obtain the exchanged battery from the battery compartment according to the number N of the target batteries in the power exchanging command, and exchange the target battery with the exchanged battery. The battery replacing device 114 determines the number of the batteries to be replaced according to the battery replacing instruction, and selects the batteries from the battery compartment to replace according to the number of the batteries to be replaced, so that the actual battery replacing requirement is met.
Further, in one embodiment, the power conversion device 114 is configured to obtain N replacement batteries and M empty batteries from the battery compartment when the number of the target batteries is less than the total number of batteries P of the target vehicle;
wherein, the electric quantity of the replacement battery is greater than a preset electric quantity threshold value and the SOC (State of Charge) of the replacement battery is less than a preset SOC threshold value, n+m=p. The empty battery is a battery which does not store electric energy and has no power supply function. The specific values of the preset electric quantity threshold and the preset SOC threshold are not unique, and can be adjusted according to actual conditions. In this embodiment, the preset SOC threshold value is 2%. When the number N of the batteries to be replaced is smaller than the total number P of the batteries of the target vehicle, the battery replacing device 114 controls the related equipment to obtain N replacement batteries from the battery compartment, selects the empty batteries with the number corresponding to the number M of the batteries except the target batteries in the target vehicle, and replaces all the batteries of the target vehicle by the replacement batteries and the empty batteries. For example, when the target vehicle is equipped with two batteries, if the target battery is 1, the power exchanging device 114 selects 1 replacement battery and 1 empty battery, and simultaneously exchanges the two batteries mounted on the target vehicle.
In the above embodiment, when the target vehicle needs to be partially replaced by the battery, the power exchanging device 114 selects the corresponding number of replacement batteries meeting the requirement, and also selects the corresponding number of empty batteries to replace all the batteries of the target vehicle, so that only partial battery replacement of the vehicle is avoided, the power supply safety is affected due to the voltage difference between the replacement batteries and the non-replacement batteries, and the power exchanging safety of the vehicle is improved.
In addition, if the number of the target batteries is more than two, the power exchanging device 114 selects the battery with the electric quantity larger than the preset electric quantity threshold value, the SOC smaller than the preset SOC threshold value and the voltage difference between the batteries smaller than the set voltage difference threshold value from the battery compartment as the exchanged battery, so that the power supply stability of the exchanged battery is further improved. The specific value of the differential pressure threshold is not unique, and in this embodiment, the differential pressure threshold is set to 5V.
In another embodiment, the power conversion device 114 is configured to obtain P replacement batteries from the battery compartment when the number of target batteries is equal to the total number of batteries P of the target vehicle.
The electric quantity of the replacement battery is larger than a preset electric quantity threshold value, and the SOC of the replacement battery is smaller than the preset SOC threshold value. If all of the batteries in the target vehicle need to be replaced, the power conversion device 114 selects a corresponding number of replacement batteries from the battery compartment. Likewise, if the number of replacement batteries is two or more, the battery replacement device 114 selects, as the replacement batteries, the batteries having an electric quantity greater than the preset electric quantity threshold, an SOC smaller than the preset SOC threshold, and a voltage difference between the batteries smaller than the set voltage difference threshold from the battery compartment.
In the above embodiment, when all batteries of the vehicle need to be replaced, the power exchanging device 114 selects the replacement battery meeting the requirements from the battery compartment to replace all batteries in the vehicle, so as to ensure the power supply safety of the vehicle.
In one embodiment, the station control device 110 is further configured to receive vehicle status information reported by the target vehicle, and determine whether the power-change preparation operation is completed according to the vehicle status information. Specifically, during the process of performing the power-change preparation operation by the driver according to the guiding information, the station host 112 in the station control device 110 maintains bluetooth communication with the target vehicle, acquires the vehicle state information reported by the target vehicle, and determines that the power-change preparation operation is completed after judging that the related operation items are all executed according to the vehicle state information. The operation items may include at least one of a vehicle depression, a vehicle disconnection from communication with a battery, a vehicle gear shift into N-range, steering wheel return, brake pedal release, and door closing.
In the above-described embodiment, the station control apparatus 110 maintains communication with the target vehicle after outputting the guidance information, acquires the vehicle state information of the target vehicle, analyzes whether the power change preparation operation is completed, and automatically performs the power change operation on the target vehicle after the completion of the power change preparation operation.
In one embodiment, the station control device 110 is further configured to perform an upper high voltage limiting process on the target vehicle after detecting that the power-change preparation operation is completed. Specifically, after determining that the power-change preparation operation is completed according to the vehicle state information, the station host 112 in the station device 110 sends an instruction to the target vehicle through bluetooth communication, performs upper-voltage limitation processing on the target vehicle, and then sends a power-change instruction to the power-change device 114 according to the power-change request sent by the client, so as to control the power-change device 114 to perform the power-change operation. In this embodiment, the station control device 110 performs the high voltage limiting process on the target vehicle after the completion of the power change preparation operation, so as to avoid the vehicle from triggering the high voltage operation by mistake during the battery change process, and improve the safety of the power change operation.
In one embodiment, as shown in fig. 4, the power conversion system further includes a battery acquisition device 170 and a mobile device 180. The station control device 110 is used for controlling the battery acquisition device 170 to take out the replacement battery from the battery compartment and place the replacement battery in the mobile device 180; the station control apparatus 110 is also used to control the mobile device 180 to transport the replacement battery to the battery change position of the target vehicle.
The battery acquiring device 170 may be a stacker crane, and the moving device 180 may be an RGV (Rail Guided Vehicle ) trolley or an AGV (Automated Guided Vehicle, automatic guided vehicle) trolley. Specifically, the battery changing device 114 in the station control apparatus 110 connects the battery obtaining device 170 and the mobile device 180, and after determining the number of the target batteries that need to be changed, the battery changing device 114 controls the battery obtaining device 170 to take out the corresponding number of the replaced batteries from the battery compartment and put the replaced batteries meeting the requirements into the mobile device 180, and the battery changing device 114 controls the mobile device 180 to convey the replaced batteries to the battery changing position of the target vehicle.
In the above embodiment, when the station control device performs the power change operation, the battery obtaining device is controlled to take out the replacement battery from the battery compartment, and the replacement battery is transported to the power change position of the vehicle by the mobile device, so that automatic battery selection is realized, and battery replacement for the vehicle is facilitated.
In one embodiment, with continued reference to FIG. 4, the power conversion system further includes an outbound gate 190. The station control device 110 is further configured to send information of the replacement battery to the target vehicle after completing the power change operation, so that the target vehicle performs a replacement self-test on the replacement battery after establishing communication connection with the replacement battery according to the information of the replacement battery; the station control device 110 is further configured to control the outbound gate 190 to open after receiving the replacement success information sent by the target vehicle. The information of the replacement battery may include a location of the replacement battery and communication information, and the communication information may specifically be a bluetooth MAC (Media Access Control ) address of the battery. After the power change device 114 finishes the power change operation, the station control host 112 sends the information of the battery change to the target vehicle through Bluetooth communication, the target vehicle establishes Bluetooth communication with the battery change according to the received information and carries out self-checking of the battery change, after the self-checking is successful, the information of the successful replacement is fed back to the station control host 112, and the station control host 112 controls the outbound gate 190 to open.
In the above embodiment, the station control device 110 issues the information of replacing the battery to the target vehicle after the battery is replaced, and confirms that the battery replacement is successfully performed after the target vehicle reports the replacement success information, and controls the outbound gate 190 to open so that the vehicle drives away from the battery replacement station.
In one embodiment, the station control device 110 is further configured to perform the power change operation again after receiving the replacement failure information transmitted by the target vehicle. Specifically, if the station host 112 receives the replacement failure information sent by the target vehicle, it determines that the battery replacement fails, and controls the power exchanging device 114 to perform a power exchanging operation again, and selects a corresponding number of the exchanged batteries from the battery compartment to perform battery replacement on the target vehicle. In this embodiment, if the battery replacement fails, the station control device 110 reselects the battery to the vehicle to replace the battery again, so as to improve the success rate of vehicle battery replacement.
In addition, in one embodiment, the station control device 110 is further configured to control the outbound gate 190 to open after the number of times of performing the power change operation exceeds a preset number of times threshold, or after the duration of performing the power change operation exceeds a preset duration threshold, and control the information output apparatus 120 to output the prompt information.
The prompt information is used for prompting a driver to drive away from the power exchange station. The preset number of times threshold and the preset duration threshold are also not unique, for example, the preset number of times threshold may be specifically set to 2 times. When the power change operation exceeding the preset time threshold is performed on the target vehicle or the total battery change time of the target vehicle exceeds the preset time threshold, the station control host 112 controls the outbound gate 190 to open, and outputs a prompt message through the information output device 120 to remind the driver of the target vehicle to drive away from the power change station. In this embodiment, when the number of times of vehicle power conversion exceeds a preset number of times or the duration of vehicle power conversion execution exceeds a preset duration, the outbound gate 190 is controlled to open and prompt the vehicle to leave the power conversion station, so as to avoid affecting the next vehicle to perform power conversion.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples represent only a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (18)

  1. The power conversion system is characterized by comprising station control equipment and an information output device;
    the station control device is used for controlling the information output device to output guide information, wherein the guide information is used for guiding a driver of a target vehicle to finish power conversion preparation operation;
    the station control device is further used for carrying out power change operation on the target vehicle after detecting that the power change preparation operation is completed.
  2. The power conversion system of claim 1, further comprising: information acquisition device and cloud server;
    the information acquisition device is used for acquiring image information of the target vehicle and sending the image information to the cloud server;
    the cloud server is used for acquiring a vehicle identifier of a target vehicle according to the image information and sending the vehicle identifier to the station control equipment;
    the station control equipment is also used for verifying the target vehicle according to the vehicle identification of the target vehicle, and controlling the information output device to output the guide information after the verification is passed.
  3. The power conversion system according to claim 2, wherein the cloud server is configured to obtain license plate information according to the image information, obtain a VIN code of the target vehicle according to the license plate information, and send the VIN code as the vehicle identifier to the station control device.
  4. A power conversion system according to claim 2 or 3,
    the cloud server is further configured to obtain communication information of the target vehicle according to the image information, and send the communication information to the station control device;
    the station control equipment is used for establishing communication connection with the target vehicle according to the communication information.
  5. The power conversion system of claim 4, further comprising an in-station gate;
    the station control equipment is used for receiving battery information sent by the target vehicle based on the communication connection, verifying the validity of the battery of the target vehicle according to the battery information, and controlling the gate entering machine to open after the verification is passed.
  6. The power conversion system according to any one of claims 1-5, further comprising an alignment identification device;
    the alignment recognition device is used for collecting the position information of the target vehicle and sending the position information to the station control equipment;
    the station control equipment is also used for controlling the information output device to output the guide information after determining that the target vehicle is positioned at the position of the change according to the position information.
  7. The power conversion system according to claim 6, wherein the alignment recognition means comprises radar means and/or laser alignment means.
  8. The power conversion system of claim 6, wherein,
    the station control equipment is also used for activating the power-changing authority of the client bound with the target vehicle after determining that the target vehicle is positioned at the power-changing position.
  9. The power conversion system according to claim 8, wherein the station control device comprises a station control host and a power conversion apparatus;
    the station control host is used for receiving a power change request sent by the client after detecting that the power change preparation operation is finished, wherein the power change request comprises information of a target battery to be replaced;
    the station control host is used for sending a power change instruction to the power change device according to the power change request;
    the power changing device is used for executing the power changing operation according to the power changing instruction.
  10. The power conversion system of claim 9, wherein,
    and the power changing device is used for acquiring a changed battery from a battery compartment according to the number N of the target batteries in the power changing instruction, and changing the target batteries by adopting the changed battery.
  11. The power conversion system according to claim 10, wherein the power conversion device is configured to obtain N replacement batteries and M blank batteries from the battery compartment when the number of the target batteries is smaller than the total number P of the batteries of the target vehicle; the electric quantity of the replacement battery is larger than a preset electric quantity threshold value, and the SOC of the replacement battery is smaller than a preset SOC threshold value, wherein N+M=P.
  12. The power conversion system according to claim 10, wherein the power conversion device is configured to obtain P replacement batteries from the battery compartment when the number of the target batteries is equal to the total number of batteries P of the target vehicle; the electric quantity of the replacement battery is larger than a preset electric quantity threshold value, and the SOC of the replacement battery is smaller than a preset SOC threshold value.
  13. The power conversion system of claim 1, wherein,
    the station control equipment is also used for receiving the vehicle state information reported by the target vehicle and determining whether the power change preparation operation is finished according to the vehicle state information.
  14. The power conversion system of claim 1, wherein,
    the station control device is further used for performing upper high voltage limiting processing on the target vehicle after detecting that the power change preparation operation is completed.
  15. The power conversion system according to claim 1, further comprising a battery acquisition device and a mobile device;
    the station control equipment is used for controlling the battery acquisition device to take out a replacement battery from the battery compartment and placing the replacement battery in the mobile device;
    the station control device is further used for controlling the mobile device to convey the replacement battery to a power replacement position of the target vehicle.
  16. The power conversion system according to claim 15, further comprising an outbound gate;
    the station control equipment is also used for sending the information of the replacement battery to the target vehicle after the power change operation is completed, so that the target vehicle can perform replacement self-checking on the replacement battery after communication connection is established between the target vehicle and the replacement battery according to the information of the replacement battery;
    the station control equipment is also used for controlling the gate opening of the outbound gate after receiving the replacement success information sent by the target vehicle.
  17. The power conversion system according to claim 16, wherein the station control device is further configured to execute the power conversion operation again after receiving the replacement failure information transmitted from the target vehicle.
  18. The power conversion system according to claim 17, wherein the station control device is further configured to control the outbound gate to open after the number of times of execution of the power conversion operation exceeds a preset number of times threshold, or after the duration of execution of the power conversion operation exceeds a preset duration threshold, and control the information output device to output a prompt message, where the prompt message is used to prompt a driver to drive away from the power conversion station.
CN202280054031.8A 2022-04-07 2022-04-07 Electricity exchanging system Pending CN117751047A (en)

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Application Number Priority Date Filing Date Title
PCT/CN2022/085559 WO2023193187A1 (en) 2022-04-07 2022-04-07 Battery swapping system

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Publication number Priority date Publication date Assignee Title
CN109552106A (en) * 2017-12-15 2019-04-02 蔚来汽车有限公司 The electrical control method and system of electricity are changed for Vehicular battery
CN114734864A (en) * 2019-09-25 2022-07-12 奥动新能源汽车科技有限公司 Processing method and processing system for automatic battery replacement of cloud and battery replacement station
CN111885135B (en) * 2020-07-14 2023-07-14 浙江吉智新能源汽车科技有限公司 System and method for automatically replacing battery
CN111885143A (en) * 2020-07-20 2020-11-03 浙江吉智新能源汽车科技有限公司 Vehicle battery replacement method, device, system and equipment
CN212624250U (en) * 2020-07-20 2021-02-26 浙江吉智新能源汽车科技有限公司 Electric automobile trades electric bootstrap system
CN113859044B (en) * 2021-11-15 2023-06-20 上海优续新能源科技有限公司 System for information transmission and power conversion between vehicle and power conversion station

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