CN105137802A - An ETC intelligent gate opening system capable of vehicle identification and a gate opening method - Google Patents

Abstract

The invention provides an ETC intelligent brake opening system and method capable of carrying out vehicle identification, comprising a vehicle-mounted terminal, a vehicle-mounted terminal and a vehicle-mounted terminal, wherein the vehicle-mounted terminal is used for recording coded information for identifying a vehicle; the ETC card reading terminal is used for transmitting a wake-up signal to the vehicle-mounted terminal, receiving vehicle coding information returned by the vehicle-mounted terminal and uploading the vehicle coding information returned by the vehicle-mounted terminal; the intelligent control terminal is used for receiving the vehicle coded information uploaded by the ETC card reading terminal, verifying the legality of the vehicle coded information and sending a control instruction to the gate; and the barrier gate controller is used for receiving the control instruction sent by the intelligent control terminal and controlling the gate to be opened and closed. The invention has the advantages of being suitable for the management of the parking lot in the residential area, thereby reducing the workload of managers, reducing the investment of the staff and improving the working efficiency.

Description

An ETC intelligent gate opening system capable of vehicle identification and a gate opening method

technical field

The invention belongs to the technical field of automatic control, and in particular relates to an ETC intelligent opening system and an opening method capable of vehicle identification.

Background technique

With the increase in the number of urban vehicles, parking conflicts have become increasingly intensified and escalated, and the environment and public places in residential areas have become increasingly chaotic. Especially for community parking, the number of parking spaces has been far from meeting the parking requirements of community residents. How to solve parking difficulties, difficulties in getting out of cars, especially in and out of cars and parking safety, and an intelligent parking lot management system that is convenient and fast in and out of cars is becoming more and more important.

At present, the intelligent parking lot management system mainly uses the ticket box to read and identify the parking card to control the vehicle entry and exit, and also uses the non-contact remote reading wireless active transmission identification code terminal to control the vehicle entry and exit. The first method requires a large tilt to swipe the card at the driver's position. When the driver cannot reach the card reading panel in the cab, he needs to open the door and get off the car to swipe the card or seek help from the administrator, especially in rainy and snowy weather. Great inconvenience. The second method requires the community and users to invest a relatively large amount of money for upgrading and transformation, often investing a lot of manpower and material resources, and active terminals often cause communication instability due to problems such as communication angles and battery power, resulting in Situations where legitimate users cannot enter the vehicle.

Contents of the invention

The purpose of the present invention is to provide an ETC intelligent gate opening system and gate opening method capable of vehicle identification, which is suitable for parking lot management in a community, thereby reducing the workload of management personnel, reducing personnel input, and improving work efficiency.

The technical solution of the present invention is: an ETC intelligent gate opening system capable of vehicle identification, comprising:

The vehicle-mounted terminal is used to record the coded information identifying the vehicle;

The ETC card reader terminal is used to send a wake-up signal to the vehicle terminal, receive the vehicle code information returned by the vehicle terminal and upload the vehicle code information returned by the vehicle terminal;

The intelligent control terminal is used to receive the vehicle code information uploaded from the ETC card reader terminal, verify the legality of the vehicle code information, and send control instructions to the gate;

The barrier gate controller is used to receive control instructions sent by the intelligent control terminal to control the opening and closing of the gate.

Further, the ETC card reader terminal includes: a micro-control module, a 5.8G signal transmitting module, a 5.8G signal receiving module and a 5.8G antenna, and the micro-control module transmits to the vehicle terminal through the 5.8G signal transmitting module and the 5.8G antenna Wake up the signal, and receive the coded information that identifies the vehicle returned by the vehicle terminal through the 5.8G antenna and the 5.8G signal receiving module.

Further, the 5.8GHz antenna is a shared 5.8GHz antenna; the 5.8G signal transmitting module and the 5.8G signal receiving module respectively transmit and receive signals through the shared 5.8GHz antenna.

Further, the intelligent control terminal includes: a communication module, a main control module and a drive module, the communication module receives the vehicle code information uploaded by the ETC card reader terminal and transmits it to the main control module, and the main control module stores the information of the vehicle through the intelligent control terminal. The coded information data of the vehicle is verified to verify the legitimacy of the vehicle coded information, and a control command is sent to the barrier gate controller through the drive module.

Further, the control management terminal further includes: a storage module, which is used to store the encoded information data of the vehicle.

Further, the intelligent control terminal further includes: an interface module, the main control module is also connected to a management host through the interface module, and the main control module uploads the operation information to the management host through the interface module for storage as a log.

Further, the intelligent control terminal also includes a serial communication module connected to the main control module, which is used for program debugging of the main control module.

An ETC intelligent gate opening method capable of vehicle identification is applied to the above ETC intelligent gate opening system capable of vehicle identification, comprising the following steps:

Step 101: The ETC card reader terminal transmits a wake-up signal to the vehicle-mounted terminal installed on the vehicle within a predetermined range;

Step 201: After receiving the wake-up signal, the vehicle-mounted terminal returns coded information identifying the vehicle;

Step 301: The ETC card reader terminal receives the vehicle code information returned by the vehicle terminal and uploads the vehicle code information;

Step 401: the intelligent control terminal receives the vehicle code information uploaded from the ETC card reader terminal, and verifies the legality of the vehicle code information;

Step 501: If the legality verification is passed, the intelligent control terminal sends a control command to open the gate to the gate controller, otherwise sends a control command to close the gate;

Step 601: The barrier gate controller receives the control instruction sent by the intelligent control terminal, and controls the opening and closing of the gate.

Further, in the step 401, the intelligent control terminal verifies the legitimacy of the vehicle code information specifically: the main control module in the intelligent control terminal passes the code information data of the vehicle stored in the storage module to the vehicle terminal to return the identification vehicle If the coded information of the identified vehicle is consistent with the coded information data of the vehicle stored in the storage module, the verification is successful; otherwise, the verification cannot be passed.

Further, in the step 601, after the gate is controlled by the gate controller to open, the intelligent control terminal automatically sends a control command to close the gate to the gate controller at predetermined intervals.

The advantages and positive effects of the present invention are: the present invention improves the intelligence degree of the community parking lot system, can realize the management of the parking lot conveniently without manual interference, and reduces the workload of the parking lot managers; the present invention adopts Modular design, simple structure, novel and reasonable design, and convenient installation; the invention uses radio frequency technology to automatically identify the vehicle when the vehicle equipped with the radio frequency card enters or exits the parking lot, and controls the automatic opening of the barrier gate, thereby realizing the vehicle Get in and out of the parking lot quickly and without stopping. The system achieves compatibility with all barrier gate systems through the relay of the intelligent control terminal; the invention has high intelligence, good use effect and high promotion value.

Description of drawings

Fig. 1 is a schematic structural diagram of the ETC intelligent gate opening system capable of vehicle identification of the present invention;

Fig. 2 is a schematic structural diagram of an embodiment of the ETC intelligent gate opening system capable of vehicle identification of the present invention;

Fig. 3 is a flow chart of the ETC intelligent gate opening method capable of vehicle identification according to the present invention.

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in Fig. 1, the structural diagram of the ETC intelligent gate opening system capable of vehicle identification of the present invention, the present invention provides an ETC intelligent gate opening system capable of vehicle identification, including:

The vehicle-mounted terminal is used to record the coded information identifying the vehicle;

The ETC card reader terminal is used to send a wake-up signal to the vehicle terminal, receive the vehicle code information returned by the vehicle terminal and upload the vehicle code information returned by the vehicle terminal;

The intelligent control terminal is used to receive the vehicle code information uploaded from the ETC card reader terminal, verify the legality of the vehicle code information, and send control instructions to the gate;

The barrier gate controller is used to receive control instructions sent by the intelligent control terminal to control the opening and closing of the gate.

The invention provides an ETC intelligent gate opening system capable of vehicle identification, which is installed on the ground at the entrance and exit of the residential area. When a vehicle is detected, the automatic vehicle identification technology is adopted, and the ETC card reader terminal adopts a 5.8GHz radio frequency method and setting Communicate with the vehicle-mounted terminal on the vehicle, obtain the vehicle's encoding information code of the vehicle-mounted terminal, and then transmit the vehicle's encoding information code to the intelligent control terminal. The intelligent control terminal judges the legality of the vehicle through the black and white list mechanism to determine whether the vehicle code is valid , control the opening and closing of the gate controller to allow vehicles to pass, and solve the application of ETC in the parking management of the community.

The ETC card reader terminal includes: a micro-control module, a 5.8G signal transmitting module, a 5.8G signal receiving module and a 5.8G antenna, and the micro-control module transmits a wake-up signal to the vehicle-mounted terminal through the 5.8G signal transmitting module and the 5.8G antenna , and through the 5.8G antenna and the 5.8G signal receiving module to receive the coded information of the identification vehicle returned by the vehicle terminal.

The 5.8GHz antenna is a shared 5.8GHz antenna; the 5.8G signal transmitting module and the 5.8G signal receiving module respectively transmit and receive signals through the shared 5.8GHz antenna.

ETC card reader terminal, the device sends a 5.8G wake-up signal to the vehicle terminal from the micro-control module through the 5.8G signal transmitting module and the 5.8G antenna, and the signal is transmitted to the 5.8G signal transmitting module by the micro-control module through the SPI interface or UART interface. There is also a power amplifier connected between the 5.8G signal transmitting module and the 5.8G antenna. The signal is amplified by the power amplifier and transmitted to the 5.8G antenna. The vehicle-mounted terminal (OBU) is awakened through the 5.8G antenna; once the vehicle-mounted terminal is awakened, it will Transmit the coded information that identifies the vehicle, the coded information that identifies the vehicle is the unique identification code that identifies each vehicle, and the unique identification code that identifies each vehicle is recorded in the vehicle-mounted terminal, and the coded information of the vehicle passes through the 5.8G antenna and the 5.8G The receiving module receives it, transmits it to the micro-control module through the SPI interface, and uploads it to the intelligent control terminal by the micro-control module.

In order to further ensure the working effect of the ETC card reader terminal, the shared 5.8GHz antenna is used to wake up and communicate with the vehicle terminal. The 5.8GHz antenna is connected to the 5.8G signal receiving module to receive the coded information signal of the identification vehicle returned by the vehicle terminal.

The 5.8GHz antenna can also be a 5.8G transmitting antenna and a 5.8G receiving antenna respectively connected to the 5.8G signal transmitting module and the 5.8G signal receiving module. The transmitting antenna is connected to transmit a wake-up signal to the vehicle terminal, and the 5.8G signal receiving module is connected to the 5.8G receiving antenna to receive the coded information signal identifying the vehicle returned by the vehicle terminal.

The 5.8G signal transmission module adds a high-pass filter circuit to the wake-up link in order to eliminate the false wake-up of the vehicle terminal by external interference signals. The circuit attenuates the interference signal in the application environment by dozens of dB, thus ensuring the accuracy of wake-up. This high-pass filter circuit attenuates 50dB for 900MHz, attenuates more than 3dB for 1.9GHz, and attenuates more than 20 for 2.4GHz.

The main chip of the 5.8G signal transmitting module and the 5.8G signal receiving module is BK5823. This chip is a transceiver IC specially designed for the national standard ETC. It integrates the physical layer and MAC layer in the standard, making the test of radio frequency performance easier. In practical applications, vehicle-mounted terminals are mainly interfered by mobile phone terminals and communication base stations, which are widely used and cover a large area. In order to suppress their interference.

The intelligent control terminal includes: a communication module, a main control module and a drive module. The communication module receives the vehicle code information uploaded by the ETC card reader terminal and transmits it to the main control module. The main control module stores the vehicle code through the intelligent control terminal. The information data verifies the legitimacy of the vehicle code information, and sends control instructions to the barrier gate controller through the drive module.

The control management terminal also includes: a storage module, which is used to store the encoded information data of the vehicle.

The intelligent control terminal further includes: an interface module, through which the main control module is connected to a management host, through which the main control module uploads operation information to the management host as a log for storage.

The intelligent control terminal also includes a serial port communication module connected to the main control module for program debugging of the main control module.

The main control module receives the coded information signal of the vehicle uploaded from the ETC card reader terminal through the communication module. The communication module is an RS485 communication interface. The coded information of the identified vehicle is compared, if the coded information of the identified vehicle is consistent with the coded information data of the vehicle stored in the storage module, then the verification is successful, and the main control module sends it to the gate controller to open the gate through the drive module signal, the gate controller opens the gate, and the main control module sends the operation information to the management host through the interface module, which is stored as a log. The interface module is a network interface or an RS485 communication interface.

The storage module in the intelligent control terminal stores the encoded information data of all legally identified vehicles. The encoded information data stored in the storage module is also called the white list. When the ETC intelligent opening system that can identify vehicles is initialized and started , the main control module automatically obtains the white list from the storage module. If the white list needs to be updated, the white list can be updated by connecting the serial port communication module to the main control module.

In the drive module relay, the intelligent control terminal drives the barrier gate controller through the relay, which can be better compatible with all control modules in the barrier gate controller.

The present invention can also carry out program debugging on the main control module through the serial port communication module, and output the debugging log through the serial port communication module, which is convenient for debugging in the future.

An ETC intelligent gate opening method capable of vehicle identification is applied to the above ETC intelligent gate opening system capable of vehicle identification, comprising the following steps:

Step 101: The ETC card reader terminal transmits a wake-up signal to the vehicle-mounted terminal installed on the vehicle within a predetermined range;

Step 201: After receiving the wake-up signal, the vehicle-mounted terminal returns coded information identifying the vehicle;

Step 301: The ETC card reader terminal receives the vehicle code information returned by the vehicle terminal and uploads the vehicle code information;

Step 401: the intelligent control terminal receives the vehicle code information uploaded from the ETC card reader terminal, and verifies the legality of the vehicle code information;

Step 501: If the legality verification is passed, the intelligent control terminal sends a control command to open the gate to the gate controller, otherwise sends a control command to close the gate;

Step 601: The barrier gate controller receives the control instruction sent by the intelligent control terminal, and controls the opening and closing of the gate.

In the step 401, the intelligent control terminal verifies the legitimacy of the vehicle encoding information specifically as follows: the main control module in the intelligent control terminal uses the encoding information data of the vehicle stored in the storage module to return the encoding of the vehicle terminal to identify the vehicle The information is compared, and if the coded information of the identified vehicle is consistent with the coded information data of the vehicle stored in the storage module, the verification is successful; otherwise, the verification cannot be passed.

In the step 601, after the gate is opened by the gate controller, the intelligent control terminal automatically sends a control command to close the gate to the gate controller at predetermined intervals.

An embodiment of the present invention has been described in detail above, but the content described is only a preferred embodiment of the present invention, and cannot be considered as limiting the implementation scope of the present invention. All equivalent changes and improvements made according to the application scope of the present invention shall still belong to the scope covered by the patent of the present invention.

Claims (10)

1. the ETC intelligence can carrying out vehicle identification opens a sluice gate a system, it is characterized in that, comprising:

Car-mounted terminal, for recording the coded message of mark vehicle;

ETC card-reading terminal, for launching wake-up signal to car-mounted terminal, and receives the vehicle code information of car-mounted terminal passback and uploads the vehicle code information vehicle code information of car-mounted terminal passback;

Control of intelligent terminal, for receiving the vehicle code information uploaded from ETC card-reading terminal, verifies the legitimacy of vehicle code information, and to gate sending controling instruction;

Gate controller, for receiving the steering order that control of intelligent terminal sends, control gate opens and closes.

2. ETC intelligence of carrying out vehicle identification according to claim 1 opens a sluice gate system, it is characterized in that, described ETC card-reading terminal comprises: micro control module, 5.8G signal emission module, 5.8G signal receiving module and 5.8G antenna, described micro control module launches wake-up signal by 5.8G signal emission module and 5.8G days alignment car-mounted terminals, and is received the coded message of the mark vehicle of car-mounted terminal passback by 5.8G antenna and 5.8G signal receiving module.

3. ETC intelligence of carrying out vehicle identification according to claim 2 opens a sluice gate system, it is characterized in that, described 5.8GHz antenna is for sharing 5.8GHz antenna; 5.8G signal emission module and 5.8G signal receiving module are respectively by shared 5.8GHz antenna transmission and Received signal strength.

4. ETC intelligence of carrying out vehicle identification according to claim 1 opens a sluice gate system, it is characterized in that, described control of intelligent terminal comprises: communication module, main control module and driver module, the vehicle code information that described communication module reception ETC card-reading terminal is uploaded also is transferred to main control module, the legitimacy of coding information data to vehicle code information of the vehicle that main control module is stored by control of intelligent terminal is verified, and by driver module to gate controller sending controling instruction.

5. ETC intelligence of carrying out vehicle identification according to claim 4 opens a sluice gate system, it is characterized in that, described control and management also comprises eventually: memory module, and described memory module is used for the coding information data of store car.

6. ETC intelligence of carrying out vehicle identification according to claim 4 opens a sluice gate system, it is characterized in that, described control of intelligent terminal also comprises: interface module, described main control module is also connected with management host by interface module, and operation information is uploaded to management host by interface module and stores as daily record by described main control module.

7. ETC intelligence of carrying out vehicle identification according to claim 4 opens a sluice gate system, it is characterized in that, described control of intelligent terminal also comprises the serial communication modular be connected with main control module, for carrying out program debug to main control module.

8. the ETC intelligence can carrying out vehicle identification opens a sluice gate a method, it is characterized in that, comprises the steps:

Step 101:ETC card-reading terminal launches the wake-up signal to the car-mounted terminal be arranged on vehicle in preset range;

Step 201: after car-mounted terminal receives wake-up signal, the coded message of passback mark vehicle;

Step 301:ETC card-reading terminal receives the vehicle code information of car-mounted terminal passback and uploads vehicle code information;

Step 401: control of intelligent terminal receives the vehicle code information uploaded from ETC card-reading terminal, verifies the legitimacy of vehicle code information;

Step 501: if by legitimate verification, control of intelligent terminal then sends starting gate steering order to gate controller, otherwise sends the steering order of closed shutter;

Step 601: gate controller receives the steering order that control of intelligent terminal sends, control gate opens and closes.

9. ETC intelligence of carrying out vehicle identification according to claim 8 opens a sluice gate method, it is characterized in that, in described step 401, control of intelligent terminal carries out checking to the legitimacy of vehicle code information and is specially: the coded message of coding information data to the mark vehicle that car-mounted terminal returns of the vehicle that the main control module in control of intelligent terminal is stored by memory module is compared, if there is consistent situation with the coding information data of the vehicle that memory module stores in the coded message of described mark vehicle, then for being proved to be successful, otherwise not by checking.

10. ETC intelligence of carrying out vehicle identification according to claim 8 opens a sluice gate method, it is characterized in that, in described step 601, after described gate controller control gate is opened, the control of intelligent terminal interval schedule time sends closed shutter steering order from trend gate controller.