CN113409589B - Device and method for detecting occupation of parking spot of charging pile based on microwave sensing license plate image - Google Patents

Device and method for detecting occupation of parking spot of charging pile based on microwave sensing license plate image Download PDF

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CN113409589B
CN113409589B CN202110669060.2A CN202110669060A CN113409589B CN 113409589 B CN113409589 B CN 113409589B CN 202110669060 A CN202110669060 A CN 202110669060A CN 113409589 B CN113409589 B CN 113409589B
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vehicle
induction coil
passive induction
passive
pressure
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CN113409589A (en
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苏蓉
丁梦
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Anhui Institute of Information Engineering
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Anhui Institute of Information Engineering
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    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/042Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12Inductive energy transfer
    • B60L53/126Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30Constructional details of charging stations
    • B60L53/31Charging columns specially adapted for electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • B60L53/65Monitoring or controlling charging stations involving identification of vehicles or their battery types
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/017Detecting movement of traffic to be counted or controlled identifying vehicles
    • G08G1/0175Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/14Traffic control systems for road vehicles indicating individual free spaces in parking areas
    • G08G1/149Traffic control systems for road vehicles indicating individual free spaces in parking areas coupled to means for restricting the access to the parking space, e.g. authorization, access barriers, indicative lights
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/12Electric charging stations
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/14Plug-in electric vehicles

Abstract

The invention discloses a device and a method for detecting occupation of a charging pile parking space based on a microwave sensing license plate image, wherein the method comprises the following steps: the passive induction coil is arranged in the new energy vehicle, and when the electric quantity of the new energy vehicle is smaller than a preset electric quantity threshold value or a starting signal of a user is received, the passive induction is started; the geomagnetic induction device is arranged on the parking space, and generates an induction electric signal to start a charging pile corresponding to the parking space when receiving the passive induction of the passive induction coil within a preset time period after the pressure from the vehicle is induced; when the passive induction of the passive induction coil is not received within a preset time period after the pressure from the vehicle is induced, whether the pressure from the vehicle exists is continuously judged, and when the continuous judgment result shows that the pressure exists, an alarm message is sent out and a starting signal is sent to the electronic ground lock to stop the movement of the vehicle. The parking space detection system can realize automatic detection of the parking spaces of the charging piles, and avoids the influence on parking and charging of new energy automobiles caused by the occupied parking spaces of the charging piles.

Description

Device and method for detecting occupation of parking spot of charging pile based on microwave sensing license plate image
Technical Field
The invention relates to the technical field of parking space management, in particular to a device and a method for detecting occupation of a parking space of a charging pile based on a microwave sensing license plate image.
Background
The demand of new energy automobiles serving as the leading supporting technology for energy conservation and emission reduction is greatly increased. Fill electric pile parking stall as new energy automobile's special parking position, can charge for the new energy automobile who parks, when new energy automobile's parking stall is less or often by the time of taking up, the user of preparing to purchase new energy automobile easily receives this influence and does not select new energy automobile. The fact that the charging parking spaces are occupied frequently is one of the important factors preventing the new energy automobile from being popularized at the present stage.
Disclosure of Invention
The invention aims to provide a device and a method for detecting occupation of a parking place of a charging pile based on a microwave sensing license plate image.
In order to achieve the purpose, the invention provides a detection device for occupying a parking space of a charging pile based on a microwave sensing license plate image, which comprises:
the passive induction coil is arranged in the new energy vehicle, and when the electric quantity of the new energy vehicle is smaller than a preset electric quantity threshold value or a starting signal of a user is received, the passive induction is started; and
the geomagnetic induction device is installed on the parking space, and generates an induction electric signal to start a charging pile corresponding to the parking space when receiving the passive induction of the passive induction coil within a preset time period after the pressure from the vehicle is induced; when the passive induction of the passive induction coil is not received within a preset time period after the pressure from the vehicle is induced, whether the pressure from the vehicle exists is continuously judged, and when the continuous judgment result shows that the pressure exists, an alarm message is sent out and a starting signal is sent to an electronic ground lock to stop the movement of the vehicle.
Preferably, the geomagnetic induction apparatus includes:
the license plate recognition unit is arranged on the charging pile and used for recognizing the license plate number of the new energy vehicle, sending the license plate number to a traffic management system and receiving vehicle type recognition information from the traffic management system, wherein the vehicle type recognition information comprises new energy vehicle information and fuel vehicle information;
the pressure sensor is arranged at the periphery of the parking space and used for sensing the pressure from the new energy vehicle;
the geomagnetic induction coil is arranged on the parking space and is used for being matched with the passive induction coil to receive the passive induction of the passive induction coil and generate current;
the controller is electrically connected with the license plate recognition unit, the pressure sensor and the geomagnetic induction coil and used for starting the pressure sensor to judge whether to sense the pressure from the new energy vehicle or not when the vehicle type recognition information shows that the vehicle at the parking space is the new energy vehicle, and starting to receive the passive induction from the passive induction coil within a preset time period after the sensed pressure is greater than a preset pressure threshold;
when the passive induction of the passive induction coil is not received, the pressure sensor is continuously started to judge whether pressure from the new energy vehicle exists or not, and when the continuous judgment result shows that the pressure exists, alarm information is sent out and a starting signal is sent to the electronic ground lock to stop the movement of the vehicle;
and when the passive induction of the passive induction coil is received, an induction electric signal is generated to start the charging pile corresponding to the parking space.
Preferably, a shielding structure is mounted outside the passive induction coil; the shielding structure is directly unfolded to start passive induction when the electric quantity of the new energy vehicle is smaller than a preset electric quantity threshold value or a starting signal of a user is received.
Preferably, the pressure sensor is configured to be mounted at a position corresponding to four tires of the vehicle on the vehicle space.
Preferably, the license plate recognition unit is further configured to receive current vehicle model information from the traffic management system;
further, the geomagnetic induction apparatus includes:
the corresponding relation determining module is electrically connected to the license plate recognition unit and used for determining the target distance between the passive induction coil and the geomagnetic induction coil corresponding to the current vehicle model information based on preset corresponding relations between the vehicle model information and the distance between the passive induction coil and the geomagnetic induction coil;
the distance sensor is arranged on the geomagnetic induction coil and used for sensing the real-time distance between the geomagnetic induction coil and the passive induction coil;
and the controller is also used for determining the current reminding signal type corresponding to the difference value between the target distance and the real-time distance based on the preset corresponding relation between the distance difference value and the reminding signal type.
In addition, the invention also provides a detection method for occupying the parking spaces of the charging piles based on the microwave sensing license plate images, and the detection method for occupying the parking spaces of the charging piles based on the microwave sensing license plate images comprises the following steps:
when the electric quantity of the new energy vehicle is smaller than a preset electric quantity threshold value or a starting signal of a user is received, starting the passive induction of a passive induction coil configured in the new energy vehicle;
when passive induction of the passive induction coil is received within a preset time period after the pressure from the vehicle is induced, an induction electric signal is generated to start a charging pile corresponding to the parking space;
when the passive induction of the passive induction coil is not received within a preset time period after the pressure from the vehicle is induced, whether the pressure from the vehicle exists is continuously judged, and when the continuous judgment result shows that the pressure exists, an alarm message is sent out and a starting signal is sent to an electronic ground lock to stop the movement of the vehicle.
Preferably, when the passive induction of the passive induction coil is received within a preset time period after the pressure from the vehicle is induced, generating an induction electric signal to start the charging pile corresponding to the parking space includes:
identifying the license plate number of the new energy vehicle, sending the license plate number to a traffic management system, and receiving vehicle type identification information from the traffic management system, wherein the vehicle type identification information comprises new energy vehicle information and fuel vehicle information;
when the vehicle type identification information shows that the vehicle in the parking space is a new energy vehicle, judging whether pressure from the new energy vehicle is sensed or not, and starting to receive passive induction from the passive induction coil within a preset time period after the sensed pressure is greater than a preset pressure threshold;
and when the passive induction of the passive induction coil is received, an induction electric signal is generated to start the charging pile corresponding to the parking space.
Preferably, the detection method for occupying the parking space of the charging pile based on the microwave-perceived license plate image further includes:
receiving current vehicle model information from the traffic management system;
determining the target distance between the passive induction coil and the geomagnetic induction coil corresponding to the current vehicle model information based on preset corresponding relation between each vehicle model information and the distance between the passive induction coil and the geomagnetic induction coil;
sensing a real-time distance between the geomagnetic induction coil and the passive induction coil; and
and determining the current reminding signal type corresponding to the difference value between the target distance and the real-time distance based on the preset corresponding relation between the distance difference value and the reminding signal type.
In addition, the invention also provides a storage medium, wherein a program is stored on the storage medium, and the program is executed by a processor to realize the detection method for occupying the parking space of the charging pile based on the microwave perception license plate image.
In addition, the invention also provides a processor, wherein the processor is used for running the program, and the detection method for occupying the parking space of the charging pile based on the microwave perception license plate image is executed when the program runs.
According to the technical scheme, the detection device for occupying the parking spaces of the charging piles based on the microwave sensing license plate image can realize detection of the parking spaces of the charging piles by installing the passive induction coils inside the new energy vehicles and arranging the geomagnetic induction devices on the parking spaces, alarm information can be sent when the non-new energy vehicles occupy the parking spaces of the charging piles, and the movement of the vehicles can be stopped by using the ground locks, so that the non-new energy vehicles can be locked and cannot move.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a block diagram illustrating a detection apparatus for occupying a parking space of a charging pile based on a microwave-sensed license plate image according to the present invention;
FIG. 2 is a block diagram illustrating a geomagnetic induction device of the present invention; and
fig. 3 is a flowchart illustrating a method for detecting occupation of a parking space of a charging pile based on a microwave-sensed license plate image according to the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Fig. 1 is a block diagram of a detection apparatus for occupying a parking space of a charging pile based on a microwave-sensed license plate image, as shown in fig. 1, the detection apparatus for occupying a parking space of a charging pile based on a microwave-sensed license plate image includes:
and the passive induction coil is arranged in the new energy vehicle, and when the electric quantity of the new energy vehicle is smaller than a preset electric quantity threshold value or a starting signal of a user is received, the passive induction is started. Wherein, passive induction coil is for the response structure that does not have the power, and its electric quantity that can not consume the new energy vehicle also can not receive the electric quantity influence of new energy vehicle and unable work in addition, as long as the electric quantity of vehicle is less than 10%, the function of passive induction can be directly opened automatically, can not cause opening when not charging, extravagant electric quantity, no matter of course be less than 10% after the position of driving the parking stall, this new energy vehicle's passive induction all can be opened, convenient response.
The geomagnetic induction device is installed on the parking space, and generates an induction electric signal to start a charging pile corresponding to the parking space when receiving the passive induction of the passive induction coil within a preset time period after the pressure from the vehicle is induced; when the passive induction of the passive induction coil is not received within a preset time period after the pressure from the vehicle is induced, whether the pressure from the vehicle exists is continuously judged, and when the continuous judgment result shows that the pressure exists, an alarm message is sent out and a starting signal is sent to an electronic ground lock to stop the movement of the vehicle. Wherein, the earth magnetism induction system can respond to passive induction coil, and then electromagnetic induction can appear and produce the signal of telecommunication, and this signal of telecommunication can start this car for the electric pile that fills that corresponds, makes things convenient for charging of vehicle then, and the pressure of vehicle probably is not new forms of energy vehicle, under this kind of condition, can send alarm information and send actuating signal to electron ground lock with the backstop the removal of vehicle, electron ground lock can hinder the removal of vehicle. It is only to the tire not to other parts, can not cause the damage of vehicle.
Preferably, as shown in fig. 2, the geomagnetic induction apparatus includes:
the license plate recognition unit is arranged on the charging pile and used for recognizing the license plate number of the new energy vehicle, sending the license plate number to a traffic management system and receiving vehicle type recognition information from the traffic management system, wherein the vehicle type recognition information comprises new energy vehicle information and fuel vehicle information; the new energy vehicle information shows that the new energy vehicle is a new energy vehicle and needs to be charged, and the fuel vehicle shows that the vehicle does not need to be charged, wherein the new energy vehicle comprises hybrid charging. The license plate recognition unit can acquire a license plate image based on microwave perception, and realize license plate recognition and license plate number determination based on the license plate image.
And the pressure sensor is arranged at the periphery of the parking space and used for sensing the pressure from the new energy vehicle. The pressure sensor is a sensing device for detecting the pressure of the vehicle, and can sense the pressure of all vehicles, including new energy vehicles.
The earth magnetism induction coil is arranged in on the parking stall, be used for with passive induction coil cooperatees in order to receive passive induction coil's passive response to produce electric current. Wherein, earth induction coil can respond to passive induction coil's signal realizes authentication and passive induction then, earth induction coil can with the passive induction coil looks adaptation on all new forms of energy vehicles, realizes the induction cooperation authentication.
The controller is electrically connected with the license plate recognition unit, the pressure sensor and the geomagnetic induction coil and used for starting the pressure sensor to judge whether to sense the pressure from the new energy vehicle when the vehicle type recognition information shows that the vehicle at the parking space is the new energy vehicle, and the passive induction from the passive induction coil is started to be received within a preset time period after the sensed pressure is greater than a preset pressure threshold value. The license plate recognition unit is an existing conventional image recognition unit, can recognize numbers and letters of a license plate, and then is connected with a traffic management system to determine the type of a vehicle, in addition, when a pressure threshold value can be 1000N, the vehicle is considered to be arranged above the license plate, the starting mode is that the vehicle is started when the pressure threshold value exceeds 1000N and then receives passive induction, a preset time period can be within 5min, and if the vehicle is not received within 5min, the vehicle is considered not to be a new energy vehicle.
When the passive induction of the passive induction coil is not received, the pressure sensor is continuously started to judge whether pressure from the new energy vehicle exists or not, and when the continuous judgment result shows that the pressure exists, alarm information is sent out and a starting signal is sent to the electronic ground lock to stop the movement of the vehicle. The warning message is used for showing that the vehicle is not a new energy vehicle, and can give out a voice message, "you are stopped at a special parking space of the new energy vehicle and please drive away, otherwise, the vehicle is locked or a fine is sent out".
And when the passive induction of the passive induction coil is received, an induction electric signal is generated to start the charging pile corresponding to the parking space. The charging pile is not always electrified, and in order to reduce the consumption of electric quantity, the charging pile can not be started when the passive induction of the passive induction coil is not received.
Preferably, a shielding structure is mounted outside the passive induction coil; the shielding structure is directly unfolded to start passive induction when the electric quantity of the new energy vehicle is smaller than a preset electric quantity threshold value or a starting signal of a user is received. The shielding structure can shield a circuit of the new energy vehicle, and the direct unfolding mode can be a stopping mode through a baffle. The shielding structure may be a baffle.
Preferably, for better detection of pressure, the pressure sensor is configured to be mounted at a position corresponding to four tires of the vehicle on the parking space.
Preferably, the license plate recognition unit is further configured to receive current vehicle model information from the traffic management system; wherein, the current vehicle model information such as Ulex, Tesla and the like can be designed with a special passive chip (induction coil) to realize passive induction.
Further, the geomagnetic induction apparatus includes:
the corresponding relation determining module is electrically connected to the license plate recognition unit and used for determining the target distance between the passive induction coil and the geomagnetic induction coil corresponding to the current vehicle model information based on preset corresponding relations between the vehicle model information and the distance between the passive induction coil and the geomagnetic induction coil; the corresponding relation determining module can determine the target distance between the passive induction coil and the geomagnetic induction coil, and the vehicle can accurately position the position of the passive induction coil before leaving a factory, so that the position of the passive induction coil can be determined based on the vehicle model, and then the distance between the passive induction coil and the geomagnetic induction coil and the relation between the information of the vehicle model can be designed, for example, the distance between Tesla model +3 is 30cm, and the distance between the Tesla model and the geomagnetic induction coil is 40.
The distance sensor is arranged on the geomagnetic induction coil and used for sensing the real-time distance between the geomagnetic induction coil and the passive induction coil; the real-time distance is obtained by the induction of an infrared sensor and can induce the real-time distance between the geomagnetic induction coil and the passive induction coil.
And the controller is also used for determining the current reminding signal type corresponding to the difference value between the target distance and the real-time distance based on the preset corresponding relation between the distance difference value and the reminding signal type. The reminding signal type can be 'the vehicle is stopped in place', 'please continue to run backwards', 'please pay attention to the charging post at the back, and run forwards'.
In addition, as shown in fig. 3, the invention further provides a detection method for occupying a parking space of a charging pile based on a microwave sensing license plate image, and the detection method for occupying the parking space of the charging pile based on the microwave sensing license plate image comprises the following steps:
s301, when the electric quantity of the new energy vehicle is smaller than a preset electric quantity threshold value or a starting signal of a user is received, starting passive induction of a passive induction coil configured in the new energy vehicle;
s302, when passive induction of the passive induction coil is received within a preset time period after pressure from a vehicle is induced, an induction electric signal is generated to start a charging pile corresponding to the parking space;
and S303, when the passive induction of the passive induction coil is not received in a preset time period after the pressure from the vehicle is induced, continuously judging whether the pressure from the vehicle exists, and when the continuous judgment result shows that the pressure exists, sending an alarm message and sending a starting signal to the electronic ground lock to stop the movement of the vehicle.
Preferably, when the passive induction of the passive induction coil is received within a preset time period after the pressure from the vehicle is induced, generating an induction electric signal to start the charging pile corresponding to the parking space includes:
identifying the license plate number of the new energy vehicle, sending the license plate number to a traffic management system, and receiving vehicle type identification information from the traffic management system, wherein the vehicle type identification information comprises new energy vehicle information and fuel vehicle information;
when the vehicle type identification information shows that the vehicle in the parking space is a new energy vehicle, judging whether pressure from the new energy vehicle is sensed or not, and starting to receive passive induction from the passive induction coil within a preset time period after the sensed pressure is greater than a preset pressure threshold;
and when the passive induction of the passive induction coil is received, an induction electric signal is generated to start the charging pile corresponding to the parking space.
Preferably, the detection method for occupying the parking space of the charging pile based on the microwave-perceived license plate image further includes:
receiving current vehicle model information from the traffic management system;
determining the target distance between the passive induction coil and the geomagnetic induction coil corresponding to the current vehicle model information based on the preset corresponding relationship between the vehicle model information and the distance between the passive induction coil and the geomagnetic induction coil
Sensing a real-time distance between the geomagnetic induction coil and the passive induction coil; and
and determining the current reminding signal type corresponding to the difference value between the target distance and the real-time distance based on the preset corresponding relation between the distance difference value and the reminding signal type.
Compared with the prior art, the detection method for occupying the parking spaces of the charging piles based on the microwave sensing license plate images has the same distinguishing technical characteristics and technical effects as the detection device for occupying the parking spaces of the charging piles based on the microwave sensing license plate images, and the description is omitted here.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, and the detection method for occupying the parking space of the charging pile based on the microwave perception of the license plate image is realized by adjusting the kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
The embodiment of the invention provides a storage medium, wherein a program is stored on the storage medium, and the program is executed by a processor to realize the detection method for occupying the parking space of a charging pile based on the microwave perception of the license plate image.
The embodiment of the invention provides a processor, which is used for running a program, wherein the program is used for executing the detection method for occupying the parking spaces of the charging piles based on the microwave perception of the license plate images during running.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (6)

1. The utility model provides a detection apparatus who fills electric pile parking stall based on occupation of microwave perception license plate image which characterized in that, the detection apparatus who fills electric pile parking stall based on occupation of microwave perception license plate image includes:
the passive induction coil is arranged in the new energy vehicle, and when the electric quantity of the new energy vehicle is smaller than a preset electric quantity threshold value or a starting signal of a user is received, the passive induction is started; and
the geomagnetic induction device is installed on the parking space, and generates an induction electric signal to start a charging pile corresponding to the parking space when receiving the passive induction of the passive induction coil within a preset time period after the pressure from the vehicle is induced; when the passive induction of the passive induction coil is not received within a preset time period after the pressure from the vehicle is induced, continuously judging whether the pressure from the vehicle exists or not, and when the continuous judgment result shows that the pressure exists, sending alarm information and sending a starting signal to an electronic ground lock to stop the movement of the vehicle;
the geomagnetic induction apparatus includes:
the license plate recognition unit is arranged on the charging pile and used for recognizing the license plate number of the new energy vehicle, sending the license plate number to a traffic management system and receiving vehicle type recognition information from the traffic management system, wherein the vehicle type recognition information comprises new energy vehicle information and fuel vehicle information;
the pressure sensor is arranged at the periphery of the parking space and used for sensing the pressure from the new energy vehicle;
the geomagnetic induction coil is arranged on the parking space and is used for being matched with the passive induction coil to receive the passive induction of the passive induction coil and generate current;
the controller is electrically connected with the license plate recognition unit, the pressure sensor and the geomagnetic induction coil and used for starting the pressure sensor to judge whether to sense the pressure from the new energy vehicle or not when the vehicle type recognition information shows that the vehicle at the parking space is the new energy vehicle, and starting to receive the passive induction from the passive induction coil within a preset time period after the sensed pressure is greater than a preset pressure threshold;
when the passive induction of the passive induction coil is not received, the pressure sensor is continuously started to judge whether pressure from the new energy vehicle exists or not, and when the continuous judgment result shows that the pressure exists, alarm information is sent out and a starting signal is sent to the electronic ground lock to stop the movement of the vehicle;
when the passive induction of the passive induction coil is received, an induction electric signal is generated to start a charging pile corresponding to the parking space;
the license plate recognition unit is also used for receiving current vehicle model information from the traffic management system;
further, the geomagnetic induction apparatus includes:
the corresponding relation determining module is electrically connected to the license plate recognition unit and used for determining the target distance between the passive induction coil and the geomagnetic induction coil corresponding to the current vehicle model information based on preset corresponding relations between the vehicle model information and the distance between the passive induction coil and the geomagnetic induction coil;
the distance sensor is arranged on the geomagnetic induction coil and used for sensing the real-time distance between the geomagnetic induction coil and the passive induction coil;
and the controller is also used for determining the current reminding signal type corresponding to the difference value between the target distance and the real-time distance based on the preset corresponding relation between the distance difference value and the reminding signal type.
2. The microwave-sensing license plate image-based detection device for occupying the parking spaces of the charging piles according to claim 1, wherein a shielding structure is installed outside the passive induction coil; the shielding structure is directly unfolded to start passive induction when the electric quantity of the new energy vehicle is smaller than a preset electric quantity threshold value or a starting signal of a user is received.
3. The device for detecting occupation of a charging pile parking space based on the microwave sensing license plate image is characterized in that the pressure sensor is configured to be installed at a position corresponding to four tires of a vehicle on the parking space.
4. The method for detecting the occupation of the parking spaces of the charging piles based on the microwave sensing license plate images is characterized by comprising the following steps of:
when the electric quantity of the new energy vehicle is smaller than a preset electric quantity threshold value or a starting signal of a user is received, starting the passive induction of a passive induction coil configured in the new energy vehicle;
when passive induction of the passive induction coil is received within a preset time period after the pressure from the vehicle is induced, an induction electric signal is generated to start a charging pile corresponding to the parking space;
when the passive induction of the passive induction coil is not received within a preset time period after the pressure from the vehicle is induced, continuously judging whether the pressure from the vehicle exists or not, and when the continuous judgment result shows that the pressure exists, sending alarm information and sending a starting signal to an electronic ground lock to stop the movement of the vehicle;
when receiving in the preset time quantum after sensing the pressure that comes from the vehicle passive induction coil's passive induction, produce the response signal of telecommunication and include in order to start the electric pile that fills that this parking stall corresponds:
identifying the license plate number of the new energy vehicle, sending the license plate number to a traffic management system, and receiving vehicle type identification information from the traffic management system, wherein the vehicle type identification information comprises new energy vehicle information and fuel vehicle information;
when the vehicle type identification information shows that the vehicle in the parking space is a new energy vehicle, judging whether pressure from the new energy vehicle is sensed or not, and starting to receive passive induction from the passive induction coil within a preset time period after the sensed pressure is greater than a preset pressure threshold;
when the passive induction of the passive induction coil is received, an induction electric signal is generated to start a charging pile corresponding to the parking space;
the detection method for occupying the parking space of the charging pile based on the microwave perception license plate image further comprises the following steps:
receiving current vehicle model information from a traffic management system;
determining the target distance between the passive induction coil and the geomagnetic induction coil corresponding to the current vehicle model information based on preset corresponding relation between each vehicle model information and the distance between the passive induction coil and the geomagnetic induction coil;
sensing a real-time distance between the geomagnetic induction coil and the passive induction coil; and
and determining the current reminding signal type corresponding to the difference value between the target distance and the real-time distance based on the preset corresponding relation between the distance difference value and the reminding signal type.
5. A storage medium, characterized in that a program is stored thereon, and when the program is executed by a processor, the method for detecting occupation of a parking space of a charging pile based on a microwave-sensed license plate image according to claim 4 is implemented.
6. A processor for executing a program, wherein the program executes the method for detecting occupation of a charging pile parking space based on the microwave-sensing license plate image according to claim 4.
CN202110669060.2A 2021-06-17 2021-06-17 Device and method for detecting occupation of parking spot of charging pile based on microwave sensing license plate image Active CN113409589B (en)

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