CN115953850B - Passing anomaly identification device and method for ultra-wideband non-inductive payment - Google Patents
Passing anomaly identification device and method for ultra-wideband non-inductive payment Download PDFInfo
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- CN115953850B CN115953850B CN202310227398.1A CN202310227398A CN115953850B CN 115953850 B CN115953850 B CN 115953850B CN 202310227398 A CN202310227398 A CN 202310227398A CN 115953850 B CN115953850 B CN 115953850B
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Abstract
The invention belongs to the technical field of non-inductive payment, and discloses a device and a method for identifying traffic anomalies of ultra-wideband non-inductive payment. The method comprises the following steps: the microcontroller determines whether the non-inductive payment tag is positioned in a passing authorization area according to the tag coordinate information of the non-inductive payment tag, and when the non-inductive payment tag is positioned in the passing authorization area, the microcontroller sends the tag coordinate information to the millimeter wave radar; the millimeter wave radar determines a warning area according to the tag coordinates, the preset demarcation direction and the preset demarcation range, detects whether pedestrians exist in the passing authorization area and the warning area, and generates an area detection result; and the microcontroller determines whether a traffic abnormality occurs according to the area detection result and a preset abnormal condition, and stops the current transaction when the traffic abnormality occurs so as to keep the gate in a closed state. Through the mode, the problem of abnormal fee deduction caused by parallel gate passing, card rubbing passing and single-label unmanned passing in the non-inductive payment passing is solved, normal passing of passengers is guaranteed, and riding experience is improved.
Description
Technical Field
The invention relates to the technical field of non-inductive payment, in particular to a device and a method for identifying traffic anomalies of ultra-wideband non-inductive payment.
Background
The existing subway non-inductive payment gate based on UWB (ultra wide band) technology is based on the accurate positioning and high-data-volume and high-speed transmission capability of UWB technology, and the non-inductive payment passing is completed. The specific process is as follows: when the gate detects that a passenger carrying the UWB non-inductive payment positioning tag enters a passing authorization area appointed by the gate, the gate starts UWB communication with the non-inductive payment tag; the gate reads wallet data in the positioning tag wallet and verifies the validity of the data; the data detection is invalid, the traffic is prohibited is prompted, and the wallet data deduction operation is executed by the data detection valid tag; if the fee deduction is successful, the brake is opened and released, and the transaction is ended. And if the deduction fails, prompting that the traffic transaction is forbidden to end. However, the following problems may exist in the above complete non-inductive payment pass: the problem of parallel gate passing is that a UWB (ultra wide band) non-inductive payment tag is carried, and two passengers cling to each other to escape and pass; the problem of cartoon-rubbing passing is that a front passenger and a rear passenger enter an authorized passing area, the front passenger does not carry a UWB non-inductive payment tag, the rear passenger successfully opens a gate after non-inductive payment, the front passenger passes through a gate, and the rear passenger cannot pass; the single tag has no abnormal toll collection, is abnormal in positioning, passengers are not in a traffic authorization area, and the abnormal toll collection problem caused by positioning information in a traffic area.
The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present invention and is not intended to represent an admission that the foregoing is prior art.
Disclosure of Invention
The invention mainly aims to provide a traffic anomaly identification device and method for ultra-wideband non-inductive payment, and aims to solve the technical problems of parallel gate traffic, card-rubbing traffic and single-tag unmanned traffic anomaly deduction in UWB non-inductive payment traffic in the prior art.
In order to achieve the above purpose, the invention provides a passing anomaly identification device for ultra-wideband non-inductive payment, which is arranged in a gate, and comprises a microcontroller, a millimeter wave radar and an ultra-wideband antenna, wherein the microcontroller is internally provided with a radar interface and an ultra-wideband interface, the millimeter wave radar is connected with the microcontroller through the radar interface, and the ultra-wideband antenna is connected with the microcontroller through the ultra-wideband interface;
the ultra-wideband antenna is used for sending label coordinate information to the microcontroller when the non-inductive payment label exists in a preset range;
the microcontroller is used for determining whether the non-inductive payment tag is positioned in a passing authorization area according to the tag coordinate information, and sending the tag coordinate information to the millimeter wave radar when the non-inductive payment tag is positioned in the passing authorization area;
The millimeter wave radar is used for determining a warning area according to the tag coordinates, a preset demarcation direction and a preset demarcation range, detecting whether pedestrians exist in the passing authorization area and the warning area, and generating an area detection result;
the microcontroller is also used for determining whether a traffic abnormality occurs according to the area detection result and a preset abnormal condition;
and the microcontroller is also used for stopping the current transaction when the traffic abnormality occurs, so that the gate keeps a closed state.
Optionally, the ultra-wideband sensorless payment passing anomaly identification device further comprises a bluetooth antenna and a safety module, wherein a bluetooth interface and a safety interface are arranged in the microcontroller, the bluetooth antenna is connected with the microcontroller through the bluetooth interface, and the safety module is connected with the microcontroller through the safety interface;
the Bluetooth antenna is used for waking up the noninductive payment tag in the preset range;
the safety module is used for providing encryption and decryption calculation for the communication channel of the ultra-wideband antenna.
In addition, in order to achieve the above purpose, the present invention provides a method for identifying traffic anomalies of ultra-wideband non-inductive payment, which is applied to the device for identifying traffic anomalies of ultra-wideband non-inductive payment, and the method for identifying traffic anomalies of ultra-wideband non-inductive payment comprises the following steps:
When the ultra-wideband antenna has a non-inductive payment tag in a preset range, the ultra-wideband antenna sends tag coordinate information to the microcontroller;
the microcontroller determines whether the non-inductive payment tag is positioned in a passing authorization area according to the tag coordinate information, and when the non-inductive payment tag is positioned in the passing authorization area, the tag coordinate information is sent to a millimeter wave radar;
the millimeter wave radar determines an alert area according to the coordinate information of the tag, the preset demarcation direction and the preset demarcation range, detects whether pedestrians exist in the passing authorization area and the alert area, and generates an area detection result, wherein the alert area at least comprises a parallel gate alert area and a card rubbing alert area;
the microcontroller determines whether a passing abnormality occurs according to the area detection result and a preset abnormal condition, wherein the passing abnormality at least comprises a parallel gate passing abnormality, a card rubbing passing abnormality and a single-tag unmanned passing abnormality;
and when the microcontroller is abnormal in passing, stopping the current transaction so as to keep the gate in a closed state.
Optionally, the preset abnormal condition includes a parallel gate passing condition, and the microcontroller determines whether a passing abnormality occurs according to the area detection result and the preset abnormal condition, including:
When the detection result of the area is that pedestrians exist in the passing authorization area and the parallel gate warning area, determining that the detection result of the area accords with a parallel gate passing abnormal condition;
and when the detection result of the area accords with the parallel gate passing abnormal condition, determining that the parallel gate passing abnormal condition occurs.
Optionally, the preset abnormal condition includes a card-rubbing traffic condition, and the microcontroller determines whether traffic abnormality occurs according to the area detection result and the preset abnormal condition, including:
when the area detection result is that a passing authorization area and a card-rubbing warning area have pedestrians, determining that the area detection result accords with a card-rubbing traffic abnormal condition;
and when the area detection result meets the abnormal conditions of the cartoon rubbing row, determining that the cartoon rubbing row is abnormal.
Optionally, the preset abnormal condition includes a single-tag unmanned abnormal condition, and the microcontroller determines whether the passing abnormal condition occurs according to the area detection result and the preset abnormal condition, including:
when the area detection result is that no passer exists in the passing authorization area and the warning area, determining that the area detection result accords with a single-tag unmanned abnormal condition;
and when the detection result of the area meets the single-tag unmanned abnormal condition, determining that the single-tag unmanned abnormal condition occurs.
Optionally, the determining, by the microcontroller, whether a traffic abnormality occurs according to the area detection result and a preset abnormal condition includes:
when the area detection result is that the passing authorization area has pedestrians and the warning area has no pedestrians, determining that the area detection result does not accord with a preset abnormal condition;
and when the detection result of the area does not accord with the preset abnormal condition, determining that no traffic abnormality occurs.
Optionally, after determining whether the traffic abnormality occurs according to the area detection result and a preset abnormal condition, the microcontroller further includes:
when no passing abnormality occurs to the gate, acquiring tag data of the non-inductive payment tag, and checking the tag data to determine whether the tag data is valid or not;
when the tag data are valid, the microcontroller carries out fee deduction operation on the non-inductive payment tag;
and the ultra-wideband antenna requests transaction authentication data from the non-inductive payment tag, and after the transaction authentication data is acquired, the transaction authentication data is sent to the gate so that the gate enters an open state.
Optionally, when no traffic abnormality occurs, the microcontroller acquires tag data of the non-inductive payment tag through the gate, checks the tag data, and determines whether the tag data is valid, including:
The microcontroller acquires tag identification information of the non-inductive payment tag and sends the tag identification information to the gate;
the gate reads the label data corresponding to the non-inductive payment label according to the label identification information;
the microcontroller acquires check tag data from the non-inductive payment tag through an ultra-wideband antenna and sends the check tag data to the gate;
and the gate compares the tag data with the check tag data, and confirms that the tag data is valid and initiates a fee deduction operation when the tag data accords with the check tag data.
Optionally, before the sending the tag coordinate information to the microcontroller when the ultra-wideband antenna has the non-inductive payment tag within the preset range, the method further includes:
the microcontroller enters an ultra-wideband positioning search mode when receiving a search instruction sent by the gate;
and after the microcontroller enters an ultra-wideband positioning search mode, the ultra-wideband antenna performs positioning search on the preset range, and whether a non-inductive payment tag exists in the preset range is determined.
In the invention, when a non-inductive payment tag exists in a preset range of the ultra-wideband antenna, tag coordinate information is sent to the microcontroller, the microcontroller determines whether the non-inductive payment tag is positioned in a passing authorization area according to the tag coordinate information, when the non-inductive payment tag is positioned in the passing authorization area, the tag coordinate information is sent to the millimeter wave radar, the millimeter wave radar determines a warning area according to the tag coordinate, the preset demarcation direction and the preset demarcation range, whether pedestrians exist in the passing authorization area and the warning area or not is detected, an area detection result is generated, the microcontroller determines whether passing abnormality occurs according to the area detection result and the preset abnormal condition, and when the passing abnormality occurs, the current transaction is stopped, so that a gate keeps a closed state. The invention solves the problem of abnormal fee deduction caused by parallel gate passing, card rubbing passing and single tag unmanned passing in the noninductive payment passing, ensures the normal passing of passengers, improves the riding experience of the passengers, and has lower cost and easy realization.
Drawings
FIG. 1 is a block diagram of a first embodiment of an ultra-wideband non-inductive payment traffic anomaly identification device of the present invention;
FIG. 2 is a schematic view of a usage scenario of an embodiment of an ultra-wideband non-inductive payment traffic anomaly identification device of the present invention;
FIG. 3 is a schematic diagram of an embodiment of an ultra-wideband non-inductive payment traffic anomaly identification device according to the present invention;
FIG. 4 is a schematic diagram of the overall structure of an embodiment of an ultra-wideband non-inductive payment traffic anomaly identification device according to the present invention;
FIG. 5 is a schematic flow chart of a first embodiment of a traffic anomaly identification method for ultra-wideband non-inductive payment according to the present invention;
fig. 6 is a schematic diagram of a subway application scenario in an embodiment of a traffic anomaly identification method for ultra-wideband non-inductive payment according to the present invention;
FIG. 7 is a schematic flow chart of a second embodiment of a traffic anomaly identification method for ultra-wideband non-inductive payment according to the present invention;
fig. 8 is a schematic overall flow chart of an embodiment of a traffic anomaly identification method for ultra-wideband non-inductive payment according to the present invention.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1, fig. 1 is a block diagram of a first embodiment of an ultra-wideband non-inductive payment traffic anomaly identification device according to the present invention. The invention provides a first embodiment of a traffic anomaly identification device for ultra-wideband non-inductive payment.
As shown in fig. 1, in this embodiment, the passing anomaly identification device 10 for ultra-wideband non-inductive payment includes a microcontroller 101, a millimeter wave radar 102 and an ultra-wideband antenna 103, wherein a radar interface 101a and an ultra-wideband interface 102b are provided in the microcontroller 101, the millimeter wave radar 102 is connected with the microcontroller 101 through the radar interface 101a, and the ultra-wideband antenna 103 is connected with the microcontroller 101 through the ultra-wideband interface 101 b.
As shown in fig. 2, the ultra-wideband non-inductive payment traffic abnormality recognition device 10 is disposed in the gate 20, and is generally disposed at one side of the gate 20, and the gate 20 may be a subway gate or another gate requiring ultra-wideband non-inductive payment traffic abnormality recognition. The microcontroller 101 in this embodiment is MCU (Microcontroller Unit), and the radar interface 101a is a UART (universal asynchronous receiver Transmitter, universalAsynchronous Receiver/Transmitter) interface, a TTL (Transmitter-Transmitter Logic), with a 5V power output.
In a specific implementation, the ultra wideband antenna 103 is configured to send tag coordinate information to the microcontroller 101 when there is a non-inductive payment tag within a preset range, the microcontroller 101 is configured to determine, according to the tag coordinate information, whether the non-inductive payment tag is located in a traffic authorization area, send the tag coordinate information to the millimeter wave radar 102 when the non-inductive payment tag is located in the traffic authorization area, the millimeter wave radar 102 is configured to determine an alert area according to the tag coordinate and a preset demarcation direction and the preset demarcation range, detect whether pedestrians are in the traffic authorization area and the alert area, and generate an area detection result, and the microcontroller 101 is further configured to determine whether a traffic anomaly occurs according to the area detection result and a preset anomaly condition, and stop a current transaction when the traffic anomaly occurs, so that the gate 20 maintains a closed state.
It may be understood that the preset range refers to a range section where the passing anomaly identification device 10 for ultra-wideband non-inductive payment can search for the non-inductive payment tag of the passenger, which is determined according to the actual situation, and the embodiment is not limited thereto. The tag coordinate information refers to the current coordinate of the searched non-inductive payment tag, the passing authorization area refers to a position range which can authorize non-inductive payment of passengers, the position range is preset, the specific range coordinate is usually determined according to actual conditions, and the embodiment does not limit the position range. The guard zone refers to a position range in which abnormal traffic risk exists, namely a position range in which parallel gate traffic and card rubbing traffic are likely to occur, and the preset demarcation direction and the preset demarcation range refer to the size and specific position coordinates of the guard zone, and are set according to actual conditions, so that the embodiment is not limited.
It should be understood that, the millimeter wave radar 102 may determine whether there is a shielding object and a distance between the shielding object on the path according to the echo of the emitted millimeter wave, so that whether there is a pedestrian in the traffic authorization area and the warning area can be detected through the millimeter wave, and the detection result of the area is that the millimeter wave radar 102 detects the traffic authorization area and the warning area. The preset abnormal condition refers to the abnormal passing condition, if the detection result meets the preset abnormal condition, the abnormal passing condition is indicated, and the transaction is stopped at the moment, and fee deduction is forbidden so as to ensure that all passengers can pass normally.
As shown in fig. 3, in the present embodiment, the device 10 for identifying abnormal traffic of ultra-wideband non-inductive payment further includes a bluetooth antenna 104 and a security module 105, wherein a bluetooth interface 101c and a security interface 101d are provided in the microcontroller 101, the bluetooth antenna 104 is connected to the microcontroller 101 through the bluetooth interface 101c, and the security module 105 is connected to the microcontroller 101 through the security interface 101 d.
In a specific implementation, the bluetooth antenna 104 is configured to wake up a non-inductive payment tag within a preset range, and the security module 105 is configured to provide encryption and decryption calculation for a communication channel of the ultra-wideband antenna 103.
The type of the secure interface 101d is SPI (Serial Peripheral Interface ). In order to reduce power consumption, in a normal state, the ultra-wideband function of the non-inductive payment tag is not activated, and the bluetooth antenna 104 can wake up the ultra-wideband function of the non-inductive payment tag at a distance from the gate, in this way reducing the power consumption of the tag.
Further, as shown in fig. 4, a power interface 101e is provided in the microcontroller 101, and is connected to a 5V power supply to supply power to the microcontroller 101. An I2C interface 101f is provided in the microcontroller 101, and is connected to an NFC controller (NFC-controller) as a reserved portion. The microcontroller 101 is further provided with a plurality of control interfaces 101g, and other devices/apparatuses may be externally connected, the interface types of the control interfaces 101g may be SPI, USB2.0, URAT-232 (serial port, 232 level), and may be set according to actual situations, and the number of the control interfaces 101g may also be set according to actual situations, which is not limited in this embodiment.
In this embodiment, the passing anomaly identification device 10 for ultra-wideband non-inductive payment includes a microcontroller 101, a millimeter wave radar 102 and an ultra-wideband antenna 103, wherein a radar interface 101a and an ultra-wideband interface 102b are provided in the microcontroller 101, the millimeter wave radar 102 is connected with the microcontroller 101 through the radar interface 101a, and the ultra-wideband antenna 103 is connected with the microcontroller 101 through the ultra-wideband interface 101 b. In this embodiment, the millimeter wave radar 102 may detect pedestrians in the defined traffic authorization area and the warning area, and the microcontroller 101 determines whether traffic abnormality occurs according to the detection result of the millimeter wave radar 102, and when traffic abnormality occurs, the transaction can be stopped in time, so that the problem of abnormal fee deduction is solved, and normal traffic of passengers is ensured.
The embodiment of the invention provides a method for identifying traffic anomalies by ultra-wideband non-inductive payment, and referring to fig. 5, fig. 5 is a flow chart of a first embodiment of the method for identifying traffic anomalies by ultra-wideband non-inductive payment.
Based on the embodiment, the invention provides a traffic anomaly identification method for ultra-wideband non-inductive payment.
In this embodiment, the method for identifying traffic anomalies of ultra-wideband non-inductive payment includes:
step S10: and when the ultra-wideband antenna has the non-inductive payment tag in a preset range, the tag coordinate information is sent to the microcontroller.
It should be noted that, the present embodiment is applied to an ultra-wideband non-inductive payment traffic anomaly identification device, where the ultra-wideband non-inductive payment traffic anomaly identification device is disposed in a gate, and the ultra-wideband non-inductive payment traffic anomaly identification device includes a microcontroller, a millimeter wave radar and an ultra-wideband antenna, and the specific structure thereof may refer to fig. 1 to 4.
It may be appreciated that the non-inductive payment tag is generally carried by a passenger, and the preset range refers to a range interval, that is, a search range, where the ultra-wideband non-inductive payment passing anomaly identification device can search for the non-inductive payment tag of the passenger, which is determined according to practical situations, and the embodiment is not limited. The tag coordinate information refers to the current coordinates of the searched non-inductive payment tag.
In a specific implementation, if a non-inductive payment tag exists in a preset range, the ultra-wideband antenna sends the coordinate position corresponding to the non-inductive payment tag to the microcontroller.
Further, before the step S10, the method further includes: and the microcontroller enters an ultra-wideband positioning search mode when receiving a search instruction sent by the gate, and the ultra-wideband antenna performs positioning search on the preset range after the microcontroller enters the ultra-wideband positioning search mode to determine whether a non-inductive payment tag exists in the preset range.
It should be understood that the search instruction refers to a signal for starting searching for the non-inductive payment TAG, the microcontroller can enter an ultra-wideband positioning search mode, start a TAG (TAG) positioning function of the ultra-wideband antenna, perform positioning search within a search range, and confirm whether the non-inductive payment TAG exists within the search range.
Step S20: and the microcontroller determines whether the non-inductive payment tag is positioned in a passing authorization area according to the tag coordinate information, and when the non-inductive payment tag is positioned in the passing authorization area, the tag coordinate information is sent to the millimeter wave radar.
It will be appreciated that the traffic authorization area refers to a location range that can be authorized for the passenger's non-inductive payment traffic, the location range is preset, and the corresponding coordinates are also determined, which is generally set according to the actual situation, and this embodiment is not limited thereto.
Further, when the non-inductive payment tag is located outside the passing authorization area, the non-inductive payment tag is continuously located through the ultra-wideband antenna until the coordinates of the non-inductive payment tag enter the passing authorization area.
In a specific implementation, the microcontroller receives the coordinate position corresponding to the non-inductive payment tag sent by the ultra-wideband antenna, compares the coordinate position with the position range of the traffic authorization area, and if the non-inductive payment tag is located in the traffic authorization area, primarily considers that the passenger enters the traffic authorization area, and executes step S30 to judge whether an abnormal situation occurs.
Step S30: the millimeter wave radar determines an alert area according to the coordinate information of the tag, the preset demarcation direction and the preset demarcation range, detects whether pedestrians exist in the passing authorization area and the alert area, and generates an area detection result, wherein the alert area at least comprises a parallel gate alert area and a card rubbing alert area.
It should be understood that, the guard area refers to a location range where there is a risk of abnormal traffic, and in this embodiment, the guard area includes a parallel gate guard area and a card-rubbing guard area, that is, a location range where parallel gate traffic and card-rubbing traffic may occur, and other types of guard areas may be provided, which is not limited in this embodiment. The preset demarcation direction refers to the direction of the alert zone relative to the passenger (non-inductive payment tag), for example: the passenger forward direction, the passenger left direction, and the passenger right direction may be set in other forms, which is not limited in this embodiment. The preset demarcation range refers to the range size of the alert zone, for example: the square area of 30cm×30cm can be determined according to practical situations, and this is not limited in this embodiment. The specific position coordinates of the warning area are determined by a preset demarcation direction and a preset demarcation range, for example: the preset demarcation direction is the forward direction of the passenger, and the preset demarcation range is 30cm×30cm, and the warning area is the area of 30cm×30cm forward of the coordinates (coordinates of the non-inductive payment label) where the passenger is located.
If the two passengers carry a UWB non-inductive payment tag, the two passengers pass by tightly adhering together, and then pass by a parallel gate, if the front passenger and the rear passenger enter an authorized passing area, the front passenger does not carry the UWB non-inductive payment tag, the rear passenger successfully opens the gate after non-inductive payment, and the front passenger passes through the gate, and the rear passenger cannot pass, and then passes by a card-rubbing, so that the embodiment divides the area of the passenger (tag coordinates) forward 30cm x 30cm into a card-rubbing warning area, and divides the area of the passenger (tag coordinates) left 30cm x 30cm and the area of the passenger (tag coordinates) right 30cm x 30cm into a parallel gate warning area. In other embodiments, different types and sizes of alert areas may be set according to actual requirements.
It can be understood that the detection result of the area refers to the detection condition of the millimeter wave radar on the passing authorization area and the guard area, and the millimeter wave radar can judge whether a shielding object exists on a path or not and the distance between the shielding object and the path according to the emitted echo of the millimeter wave, so that whether pedestrians exist in the passing authorization area and the guard area or not can be detected through the millimeter wave.
In the specific implementation, the millimeter wave radar divides a region with the tag coordinate forward 30cm multiplied by 30cm into a card rubbing warning region, divides a region with the tag coordinate left 30cm multiplied by 30cm and a region with the tag coordinate right 30cm multiplied by 30cm into a parallel gate warning region, and emits millimeter waves to detect whether pedestrians exist in the passing authorization region and the warning region as the warning region, and generates corresponding detection results.
Step S40: and the microcontroller determines whether a passing abnormality occurs according to the area detection result and a preset abnormal condition, wherein the passing abnormality at least comprises a parallel gate passing abnormality, a card rubbing passing abnormality and a single-tag unmanned passing abnormality.
It should be understood that the preset abnormal conditions refer to a situation of occurrence of a passing abnormality, where the passing abnormality at least includes a parallel gate passing abnormality, a card rubbing passing abnormality and a single tag unmanned passing abnormality, and correspondingly, the preset abnormal conditions in this embodiment include a parallel gate passing abnormality, a card rubbing passing abnormality and a single tag unmanned passing abnormality, which are respectively a situation of occurrence of a parallel gate passing abnormality, a situation of occurrence of a card rubbing passing abnormality and a situation of occurrence of a single tag unmanned passing abnormality, and in other embodiments, other types of preset abnormal conditions and other types of passing abnormalities may also be set.
In a specific implementation, the microcontroller determines whether there is an abnormal traffic problem such as parallel gate traffic, card-rubbing traffic, and single-tag unmanned traffic abnormal fee deduction according to the millimeter wave scanning result, if the detection result meets the preset abnormal condition, it indicates that the traffic is abnormal, and step S50 needs to be executed at this time to stop the transaction, and this embodiment will be described from the following three cases.
First, in the case of parallel gate traffic, step S40 includes: when the area detection result is that pedestrians exist in the passing authorization area and the parallel gate warning area, determining that the area detection result meets the parallel gate passing abnormal condition, and when the area detection result meets the parallel gate passing abnormal condition, determining that the parallel gate passing abnormal occurs.
It should be noted that, in this embodiment, the parallel gate passing abnormal condition is set as that the passing authorization area has pedestrians and the parallel gate guard area has pedestrians, so when the millimeter wave radar detection result is that the passing authorization area and the parallel gate guard area have pedestrians, the parallel gate passing abnormal condition is satisfied, and it is considered that the parallel gate passing occurs at this time, and the passing abnormality occurs.
Second, the case of rubbing the card, step S40 includes: when the area detection result is that the passing authorization area and the card-rubbing warning area have pedestrians, determining that the area detection result accords with the card-rubbing abnormal condition, and when the area detection result accords with the card-rubbing abnormal condition, determining that the card-rubbing abnormal condition occurs.
It can be understood that, in this embodiment, the abnormal condition of the card-rubbing traffic is set to be that pedestrians are present in the traffic authorization area and pedestrians are present in the card-rubbing warning area, so when the detection result of the millimeter wave radar is that pedestrians are present in the traffic authorization area and the card-rubbing warning area, the abnormal condition of the card-rubbing traffic is satisfied, and it is considered that the card-rubbing traffic is present at this time, and the abnormal traffic is present.
Third, in the case that the single tag is not in traffic, step S40 includes: when the area detection result is that no passer exists in the passing authorization area and the warning area, the area detection result is determined to be in accordance with the single-tag unmanned abnormal condition, and when the area detection result is in accordance with the single-tag unmanned abnormal condition, the occurrence of the single-tag unmanned abnormal condition is determined.
It should be understood that if the positioning is abnormal, the passenger is not in the passing authorized area, and the positioning information is in the passing area, the single-tag unmanned passing abnormal condition is set to be that no pedestrian is in the passing authorized area and no pedestrian is in the card-rubbing warning area in the embodiment, so that when the detection result of the millimeter wave radar is that no pedestrian is in the passing authorized area and the card-rubbing warning area, the single-tag unmanned passing abnormal condition is satisfied, and the single-tag unmanned passing is considered to occur at the moment, and the passing abnormality occurs.
Step S50: and when the microcontroller is abnormal in passing, stopping the current transaction so as to keep the gate in a closed state.
In the specific implementation, if abnormal traffic problems such as parallel gate traffic, card-rubbing traffic, single-tag unmanned traffic abnormal fee deduction and the like occur, the transaction is stopped, fee deduction is forbidden, and the gate is still closed so as to ensure that all passengers can normally pass.
As shown in the subway application scene schematic diagram in fig. 6, the ultra-wideband non-inductive payment passing anomaly recognition device is arranged at one side of a subway gate, divides a detection area into an authorized passing area and an alert area, acquires tag coordinate values after detecting that passengers carrying non-inductive payment tags enter the passing authorized area, draws a plurality of dynamic alert areas changing along with the coordinate values according to the coordinate values, starts a millimeter wave radar, scans the alert area and the passing authorized area, judges whether an abnormal passing problem exists according to the scanning result, and stops deducting fees if the abnormal passing problem exists.
In this embodiment, when the ultra wideband antenna has a non-inductive payment tag within a preset range, tag coordinate information is sent to the microcontroller, the microcontroller determines whether the non-inductive payment tag is located in a traffic authorization area according to the tag coordinate information, when the non-inductive payment tag is located in the traffic authorization area, the tag coordinate information is sent to the millimeter wave radar, the millimeter wave radar determines a warning area according to the tag coordinate and a preset demarcation direction and a preset demarcation range, detects whether pedestrians are present in the traffic authorization area and the warning area, generates an area detection result, and determines whether traffic abnormality occurs according to the area detection result and a preset abnormal condition, and stops the current transaction when the traffic abnormality occurs, so that the gate keeps a closed state. The embodiment solves the problem of abnormal fee deduction caused by parallel gate passing, card rubbing passing and single-tag unmanned passing in the noninductive payment passing, ensures normal passing of passengers, improves riding experience of the passengers, and has lower millimeter wave radar cost and easy realization.
Referring to fig. 7, fig. 7 is a flowchart of a second embodiment of a method for identifying traffic anomalies in ultra-wideband non-inductive payment according to the present invention.
Based on the above embodiment, the step S40 includes:
step S401: when the area detection result is that the passing authorization area has pedestrians and the warning area has no pedestrians, determining that the area detection result does not accord with a preset abnormal condition, and when the area detection result does not accord with the preset abnormal condition, determining that no passing abnormality occurs.
If the detection result indicates that the passing authorization area has pedestrians and the warning area has no pedestrians, the passengers carrying the non-inductive payment tag are considered to be normal passing, and the problems of parallel gate passing, card-rubbing passing, single-tag unmanned passing and the like do not occur, so that the toll collection stage is entered.
Further, after the step S401, the method further includes:
step S402: and when no passing abnormality occurs, the gate acquires the label data of the non-inductive payment label, and checks the label data to determine whether the label data is valid.
It is understood that the tag data refers to information data related to the non-inductive payment in the non-inductive payment tag, for example: the card number, expiration date, amount, label release date, label status, pay/non-pay zone identification, on-board time, on-board station, off-board time, off-board station, etc., and different non-inductive payment applications have different information data, which is not limited in this embodiment.
The step S402 includes:
the microcontroller acquires the label identification information of the non-inductive payment label and sends the label identification information to the gate, and the gate reads the label data corresponding to the non-inductive payment label according to the label identification information.
It should be understood that the tag identification information refers to information for identifying different non-inductive payment tags, such as: other forms of tag ID may be used, and this embodiment is not limited thereto. In step S10, if there is a non-inductive payment tag within the preset range, the ultra-wideband antenna will send the coordinate position corresponding to the non-inductive payment tag to the microcontroller, and at the same time, will send the tag ID of the non-inductive payment tag to the microcontroller.
In a specific implementation, the microcontroller acquires the tag ID of the non-inductive payment tag from the ultra-wideband antenna, sends the tag ID to the gate, and reads relevant information data through the acquired tag ID.
And the microcontroller acquires the check tag data from the non-inductive payment tag through an ultra-wideband antenna and sends the check tag data to the gate.
It should be noted that, the verification tag data refers to information data related to the non-inductive payment in the non-inductive payment tag acquired for the second time, which is used for subsequent data verification.
In a specific implementation, the microcontroller calls an ultra-wideband interface to enable the ultra-wideband antenna to communicate with the non-inductive payment tag, information data for verification is obtained, the obtained data is returned to the microcontroller, and the microcontroller returns the data to the gate for verification.
And the gate compares the tag data with the check tag data, and confirms that the tag data is valid and initiates a fee deduction operation when the tag data accords with the check tag data.
In a specific implementation, when no passing abnormality occurs, the gate needs to check the tag data of the non-inductive payment tag, so that the tag data is ensured to be effective, and when the tag data accords with the check tag data, the acquired tag data is considered to be effective, and fee deduction can be performed.
Step S403: and when the tag data is valid, the microcontroller carries out fee deduction operation on the non-inductive payment tag, and requests transaction authentication data from the non-inductive payment tag through the ultra-wideband antenna.
It will be appreciated that the transaction authentication data refers to transaction data associated with a successful fee deduction, for example: the transaction authentication code and the transaction serial number are returned to the ultra-wideband antenna only when the fee deduction is successful, and the microcontroller cannot acquire the transaction authentication data if the fee deduction is failed.
In a specific implementation, after the gate initiates the deduction, the microcontroller calls the ultra-wideband interface to execute deduction, and the ultra-wideband antenna communicates with the non-inductive payment tag to acquire transaction authentication data.
Step S404: after the transaction authentication data is acquired, the transaction authentication data is sent to the gate so that the gate enters an open state.
In a specific implementation, if the microcontroller successfully acquires the transaction authentication data, it indicates that fee deduction is successful, the gate is opened, the passenger can pass, and the step S10 is executed. If the microcontroller does not acquire the transaction authentication data, the deduction is failed, the passing is forbidden, the transaction is ended, and the gate cannot be opened.
As shown in the overall flow chart of fig. 8, the gate starts a card searching, the microcontroller starts UWB positioning searching, the UWB antenna starts TAG positioning, when a non-inductive payment TAG is searched, TAG coordinates and TAG ID are returned to the microcontroller, the microcontroller judges whether the TAG is in a traffic authorization zone, if yes, the TAG coordinates are sent to the millimeter wave radar, the millimeter wave radar delimits an alert zone according to the TAG coordinates, pedestrian detection is carried out on the alert zone and the traffic authorization zone, if the microcontroller judges that a parallel gate passes/card-rubbing pass/single-TAG unmanned pass occurs, transaction is finished, if the microcontroller judges that no abnormality occurs, the TAG ID is sent to the gate, the gate reads the card to acquire UWB TAG data, the microcontroller calls the UWB interface, the UWB antenna communicates with the TAG to acquire UWB TAG data, the microcontroller returns the acquired UWB TAG data to the gate, the gate checks the UWB TAG data acquired twice, if the data is valid, the microcontroller initiates a deduction, the microcontroller calls the UWB interface to execute deduction, the UWB antenna communicates with the TAG to acquire transaction authentication data, payment is completed, and the gate is opened.
In this embodiment, when the area detection result is that a passer-by is authorized in the area and no passer-by is in the alert area, it is determined that the area detection result does not conform to a preset abnormal condition, when the area detection result does not conform to the preset abnormal condition, it is determined that no passion abnormality occurs, when no passion abnormality occurs in the gate, tag data of the non-inductive payment tag are obtained, the tag data are checked to determine whether the tag data are valid, when the tag data are valid, the microcontroller performs fee deducting operation on the non-inductive payment tag, the ultra-wideband antenna requests transaction authentication data for the non-inductive payment tag, and after the transaction authentication data are obtained, the transaction authentication data are sent to the gate so that the gate enters an open state. When no passing abnormality is confirmed, the embodiment can verify the label data of the non-inductive payment label, and deduction is initiated when the label data is valid, so that normal passing of passengers can be further ensured.
It should be understood that the foregoing is illustrative only and is not limiting, and that in specific applications, those skilled in the art may set the invention as desired, and the invention is not limited thereto.
It should be noted that the above-described working procedure is merely illustrative, and does not limit the scope of the present invention, and in practical application, a person skilled in the art may select part or all of them according to actual needs to achieve the purpose of the embodiment, which is not limited herein.
Furthermore, it should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system 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 system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (10)
1. The ultra-wideband sensorless payment passing anomaly identification device is arranged in a gate, and is characterized by comprising a microcontroller, a millimeter wave radar and an ultra-wideband antenna, wherein a radar interface and an ultra-wideband interface are arranged in the microcontroller, the millimeter wave radar is connected with the microcontroller through the radar interface, and the ultra-wideband antenna is connected with the microcontroller through the ultra-wideband interface;
the ultra-wideband antenna is used for sending label coordinate information to the microcontroller when the non-inductive payment label exists in a preset range;
the microcontroller is used for determining whether the non-inductive payment tag is positioned in a passing authorization area according to the tag coordinate information, and sending the tag coordinate information to the millimeter wave radar when the non-inductive payment tag is positioned in the passing authorization area;
the millimeter wave radar is used for determining a warning area according to the tag coordinates, a preset demarcation direction and a preset demarcation range, detecting whether pedestrians exist in the passing authorization area and the warning area, and generating an area detection result;
The microcontroller is also used for determining whether a traffic abnormality occurs according to the area detection result and a preset abnormal condition;
and the microcontroller is also used for stopping the current transaction when the traffic abnormality occurs, so that the gate keeps a closed state.
2. The ultra-wideband sensorless payment traffic anomaly identification device according to claim 1, further comprising a bluetooth antenna and a security module, wherein the microcontroller is provided with a bluetooth interface and a security interface, the bluetooth antenna is connected with the microcontroller through the bluetooth interface, and the security module is connected with the microcontroller through the security interface;
the Bluetooth antenna is used for waking up the noninductive payment tag in the preset range;
the safety module is used for providing encryption and decryption calculation for the communication channel of the ultra-wideband antenna.
3. The ultra-wideband non-inductive payment passing anomaly identification method applied to the ultra-wideband non-inductive payment passing anomaly identification device according to claim 1 or 2, characterized in that the ultra-wideband non-inductive payment passing anomaly identification method comprises the following steps:
When the ultra-wideband antenna has a non-inductive payment tag in a preset range, the ultra-wideband antenna sends tag coordinate information to the microcontroller;
the microcontroller determines whether the non-inductive payment tag is positioned in a passing authorization area according to the tag coordinate information, and when the non-inductive payment tag is positioned in the passing authorization area, the tag coordinate information is sent to a millimeter wave radar;
the millimeter wave radar determines an alert area according to the coordinate information of the tag, the preset demarcation direction and the preset demarcation range, detects whether pedestrians exist in the passing authorization area and the alert area, and generates an area detection result, wherein the alert area at least comprises a parallel gate alert area and a card rubbing alert area;
the microcontroller determines whether a passing abnormality occurs according to the area detection result and a preset abnormal condition, wherein the passing abnormality at least comprises a parallel gate passing abnormality, a card rubbing passing abnormality and a single-tag unmanned passing abnormality;
and when the microcontroller is abnormal in passing, stopping the current transaction so as to keep the gate in a closed state.
4. The method of claim 3, wherein the predetermined abnormal condition comprises a parallel gate traffic condition, and the microcontroller determines whether a traffic abnormality occurs based on the area detection result and the predetermined abnormal condition, comprising:
When the detection result of the area is that pedestrians exist in the passing authorization area and the parallel gate warning area, determining that the detection result of the area accords with a parallel gate passing abnormal condition;
and when the detection result of the area accords with the parallel gate passing abnormal condition, determining that the parallel gate passing abnormal condition occurs.
5. The method of claim 3, wherein the predetermined abnormal condition comprises a traffic condition, and the microcontroller determines whether a traffic abnormality occurs according to the area detection result and the predetermined abnormal condition, comprising:
when the area detection result is that a passing authorization area and a card-rubbing warning area have pedestrians, determining that the area detection result accords with a card-rubbing traffic abnormal condition;
and when the area detection result meets the abnormal conditions of the cartoon rubbing row, determining that the cartoon rubbing row is abnormal.
6. The method of claim 3, wherein the preset exception condition comprises a single tag unmanned exception condition, and the microcontroller determines whether a traffic exception occurs based on the area detection result and the preset exception condition, comprising:
when the area detection result is that no passer exists in the passing authorization area and the warning area, determining that the area detection result accords with a single-tag unmanned abnormal condition;
And when the detection result of the area meets the single-tag unmanned abnormal condition, determining that the single-tag unmanned abnormal condition occurs.
7. The method of claim 3, wherein the determining, by the microcontroller, whether a traffic anomaly has occurred based on the area detection result and a preset anomaly condition, comprises:
when the area detection result is that the passing authorization area has pedestrians and the warning area has no pedestrians, determining that the area detection result does not accord with a preset abnormal condition;
and when the detection result of the area does not accord with the preset abnormal condition, determining that no traffic abnormality occurs.
8. The method of claim 7, wherein the microcontroller determines whether a traffic abnormality has occurred based on the area detection result and a preset abnormality condition, further comprising:
when no passing abnormality occurs to the gate, acquiring tag data of the non-inductive payment tag, and checking the tag data to determine whether the tag data is valid or not;
when the tag data are valid, the microcontroller carries out fee deduction operation on the non-inductive payment tag;
and the ultra-wideband antenna requests transaction authentication data from the non-inductive payment tag, and after the transaction authentication data is acquired, the transaction authentication data is sent to the gate so that the gate enters an open state.
9. The method of claim 8, wherein the microcontroller, when no traffic anomalies occur, obtaining tag data of the sensorless payment tag through the gate and verifying the tag data, determining whether the tag data is valid comprises:
the microcontroller acquires tag identification information of the non-inductive payment tag and sends the tag identification information to the gate;
the gate reads the label data corresponding to the non-inductive payment label according to the label identification information;
the microcontroller acquires check tag data from the non-inductive payment tag through an ultra-wideband antenna and sends the check tag data to the gate;
and the gate compares the tag data with the check tag data, and confirms that the tag data is valid and initiates a fee deduction operation when the tag data accords with the check tag data.
10. The method of any one of claims 3 to 9, wherein the ultra-wideband antenna, when the non-inductive payment tag is present within a preset range, further comprises, before sending the tag coordinate information to the microcontroller:
the microcontroller enters an ultra-wideband positioning search mode when receiving a search instruction sent by the gate;
And after the microcontroller enters an ultra-wideband positioning search mode, the ultra-wideband antenna performs positioning search on the preset range, and whether a non-inductive payment tag exists in the preset range is determined.
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