CN112201048A - System and method for monitoring whole driving process in tunnel - Google Patents
System and method for monitoring whole driving process in tunnel Download PDFInfo
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- CN112201048A CN112201048A CN202011080793.4A CN202011080793A CN112201048A CN 112201048 A CN112201048 A CN 112201048A CN 202011080793 A CN202011080793 A CN 202011080793A CN 112201048 A CN112201048 A CN 112201048A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention provides a method for monitoring a whole driving process in a tunnel, which comprises the following steps: the vehicle selects one lane of the tunnel to enter the tunnel; the vehicle enters the tunnel and drives over the card issuing device; a card dialing mechanism in the card issuing host transfers an electronic card to a card support in advance; the camera records the license plate number of the passing vehicle, and the distance sensor detects the height of the chassis of the vehicle; the first lifting mechanism in the card issuing host rapidly pushes the card support and the electronic card to reach corresponding heights; the electromagnet in the electronic card is started to work, so that the electronic card is adsorbed on a vehicle chassis; the electronic card follows the vehicle to finish the whole process of the tunnel, and collects the moving speed and the moving track of the vehicle; when the electronic card passes over the card receiving device, the reader in the electronic card reads the electronic tag arranged on the card receiving device, so that the electromagnet is triggered to stop working; the electronic card is separated from the vehicle and falls into the card receiving host; compared with the traditional fixed-point snapshot mode, the whole-process monitoring is realized, and the monitoring dead angle is avoided.
Description
Technical Field
The invention belongs to the technical field of tunnel traffic, and particularly relates to a system and a method for monitoring the whole driving process in a tunnel.
Background
Traffic is an important facility for national infrastructure and plays an important role in national economic development. The ground traffic comprises roadbeds, culverts, bridges, tunnels and the like, the tunnels are important components of traffic lines, and in recent years, with the rapid development of social economy in China, more and more tunnels are provided, so that lane change is strictly forbidden in the tunnels, overtaking cannot be carried out, and frequent traffic accidents in the tunnels are prevented. The light ray difference in the tunnel, especially at the tunnel exit, and only two or three lanes are usually in the tunnel, so how to monitor the interior of the tunnel scientifically and reasonably is very important.
The patent discloses a system and a method for identifying dangerous vehicles in a tunnel (application number is CN201811564191.9), and discloses a system and a method for identifying dangerous vehicles in a tunnel, wherein the system comprises: the system comprises at least two laser radar units, a camera snapshot unit and a data processing unit; the laser radar unit, the camera shooting unit and the information prompt unit are respectively connected with the data processing unit; the laser radar unit is arranged on the inner wall of the tunnel in sequence along the driving direction of the vehicle; the laser radar unit is used for collecting vehicle data information; the data processing unit is used for identifying whether the vehicle is a dangerous vehicle or not according to the vehicle data information, and sending a snapshot instruction to the camera snapshot unit if the vehicle is a dangerous vehicle; the camera capturing unit is used for capturing a picture of the vehicle according to the capturing instruction so as to acquire vehicle capturing information; and the data processing unit is also used for constructing vehicle identification result information according to the type of the identified dangerous vehicle, the dangerous type and the vehicle snapshot information. Dangerous vehicles can be accurately identified; however, this method is limited to recognition of the position where the snapshot camera is mounted, and there is no way to achieve the situation that the vehicle passes through the tunnel all the way.
In order to solve the problems, a system and a method for monitoring the whole driving process in the tunnel are provided.
Disclosure of Invention
The invention aims to provide a system and a method for monitoring vehicles in a tunnel in the whole process, which aim to solve the problem that the conventional traffic monitoring equipment in the tunnel can only monitor and identify the vehicles at fixed places, but cannot monitor the vehicles in the whole process.
The invention provides the following technical scheme:
a system for monitoring the whole driving process in a tunnel comprises a card issuing device, a card receiving device and an electronic card; the card issuing device is arranged in the middle of each lane of the tunnel entrance and comprises a card issuing machine shell, a camera is arranged on one side of the card issuing machine shell facing the driving-in direction of the vehicle, a distance sensor is arranged on one end, close to the camera, of the upper surface of the card issuing machine shell, the camera is used for recording license plate numbers of the passing vehicles, and the distance sensor is used for detecting the chassis height of the passing vehicles; the card issuing host is arranged at one end, far away from the camera, of the upper surface of the card issuing machine shell and used for issuing electronic cards according to the chassis height and recording corresponding license plate numbers; the electronic card comprises a plastic shell, an electromagnet is arranged on the inner wall of the upper side of the plastic shell, a circuit board is arranged on the lower side of the electromagnet, a processor, a reader, a signal acquisition module, a speed sensor and a position sensor are arranged on the circuit board, the signal acquisition module is used for acquiring the moving speed and the displacement track of the electronic card in real time through the speed sensor and the position sensor and reporting the moving speed and the displacement track to the processor, a rechargeable lithium battery is arranged on the lower side of the circuit board, and the electronic card is adsorbed on a chassis of a vehicle through the electromagnet; the processor is electrically connected with the reader, the signal acquisition module and the rechargeable lithium battery respectively, and the signal acquisition module is electrically connected with the speed sensor and the position sensor respectively; the card receiving device is arranged in the middle of each lane of the tunnel outlet and comprises a card receiving shell, an electronic tag is arranged on one side of the card receiving shell facing the driving direction of the vehicle, and a card receiving host is arranged on one side of the card receiving shell far away from the electronic tag; when the reader follows the electronic card to pass through the electronic tag, the electronic tag is read, the electromagnet is triggered to stop working, and the electronic card is separated from the chassis of the vehicle and falls to the card receiving host.
Preferably, the card issuing host comprises a case, a card box and a first lifting mechanism are respectively arranged on two sides in the case, a card support is configured on the first lifting mechanism, and an outlet is arranged on the case above the corresponding card support; the card support is arranged on one side of the opening of the card box, and the card pushing mechanism is arranged on the upper side of the opening of the card box; the card case outer wall is provided with second elevating system, be connected with the layer board on the second elevating system, the layer board stretches into the motion of card incasement, the layer board upper surface is provided with the elastic component, the elastic component is folded and is equipped with a plurality of electronic cards.
Preferably, the first lifting mechanism is an electric push rod or an electric cylinder, the second lifting mechanism comprises a ball screw, a screw nut, fixed bearings and a speed reduction motor, the fixed bearings are fixed at the upper end and the lower end of the clamping box, the screw nut is fixed between the two fixed bearings, the speed reduction motor is connected to one end of the ball screw, and the screw nut is arranged on the ball screw and connected with the supporting plate.
Preferably, the card issuing device and the card receiving device are buried on a lane, and the card issuing device and the card receiving device are within 10mm higher than the ground.
Preferably, the circuit board is further provided with a wireless module, and the wireless module is used for transmitting the moving speed and the displacement track acquired by the signal acquisition module to the monitoring center in real time.
Preferably, a memory is further arranged on the circuit board and used for storing the moving speed and the displacement track acquired by the signal acquisition module.
Preferably, a wireless charging coil is further arranged between the rechargeable lithium battery and the inner wall of the lower side of the plastic shell, and the output end of the wireless charging coil is connected with the rechargeable lithium battery.
A monitoring method of a whole-course monitoring system for driving in a tunnel comprises the following steps:
s1, the vehicle selects one lane of the tunnel to enter the tunnel;
s2, decelerating when the vehicle enters the tunnel, and driving over the card issuing device;
s3, the card-shifting mechanism in the card-issuing host transfers an electronic card to the card support in advance;
s3, firstly, recording the license plate number of the passing vehicle by a camera, and then detecting the height of the chassis of the vehicle by a distance sensor;
s4, the first lifting mechanism in the card issuing host rapidly pushes the card support and the electronic card to reach corresponding heights;
s5, starting an electromagnet in the electronic card to work, and enabling the electronic card to be adsorbed on a vehicle chassis;
s6, the electronic card follows the vehicle to finish the whole process of the tunnel, and the moving speed and the moving track of the vehicle are collected in real time through the speed sensor and the position sensor;
s7, when the electronic card reaches the card receiving device and passes over the card receiving device, the reader in the electronic card reads an electronic tag arranged on the card receiving device, and therefore the electromagnet is triggered to stop working;
and S8, the electronic card is separated from the vehicle and falls into the card receiving host, and the process is finished.
The invention has the beneficial effects that:
according to the whole-course monitoring system and the monitoring method for the driving in the tunnel, the electronic card is sent to the vehicle and is withdrawn when the vehicle leaves the tunnel through the card sending device and the card receiving device when the vehicle passes through the tunnel; the electronic card moves along with the vehicle and records the moving speed and the displacement track through the speed sensor and the position sensor, so that the monitoring center can conveniently carry out whole-course monitoring, the traditional fixed-point snapshot mode is compared, the whole-course monitoring is realized, and the monitoring dead angle is avoided.
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 schematic diagram of the overall operation of the present invention;
FIG. 2 is a schematic view of a vehicle passing through a card issuing device;
FIG. 3 is a schematic view of the interior of the card issuing device;
FIG. 4 is a schematic diagram of an electronic card structure;
FIG. 5 is a schematic flow chart of the method of the present invention.
Detailed Description
Example 1
As shown in fig. 1, the system for monitoring the whole driving process in the tunnel comprises a card issuing device 1, a card receiving device 2 and an electronic card 3, wherein the card issuing device 1 and the card receiving device 2 are buried in a lane, and the card issuing device 1 and the card receiving device 2 are higher than the ground by within 10 mm.
As shown in fig. 2, the card issuing device 1 is disposed in the middle of each lane 5 at the entrance of the tunnel 4, the card issuing device 1 includes a card issuing housing 11, a camera 111 is disposed on one side of the card issuing housing 11 facing the vehicle entering direction, a distance sensor 112 is disposed on one end of the upper surface of the card issuing housing 11 close to the camera 111, the camera 111 is used for recording the license plate number of the passing vehicle, and the distance sensor 112 is used for detecting the chassis height of the passing vehicle; the card issuing host 12 is arranged at one end of the upper surface of the card issuing machine shell 11, which is far away from the camera 111, and the card issuing host 12 is used for issuing the electronic cards 3 according to the chassis height and recording corresponding license plate numbers.
As shown in fig. 3, the card issuing host 12 includes a chassis 121, a card box 122 and a first lifting mechanism 123 are respectively disposed on two sides in the chassis 121, a card holder 124 is disposed on the first lifting mechanism 123, and an outlet is disposed on the chassis 121 above the card holder 124; the card holder 124 is arranged at one side of the opening of the card box 122, and the card-pulling mechanism 126 is arranged at the upper side of the opening of the card box 122; the outer wall of the card box 122 is provided with a second lifting mechanism 125, the second lifting mechanism 125 is connected with a supporting plate 124, the supporting plate 124 extends into the card box 122 to move, the upper surface of the supporting plate 124 is provided with an elastic part 127, a plurality of electronic cards 3 are stacked on the elastic part 127, the first lifting mechanism 123 is an electric push rod or an electric cylinder, the second lifting mechanism 125 comprises a ball screw, a screw nut, a fixed bearing and a speed reducing motor, the two fixed bearings are fixed at the upper end and the lower end of the card box 122, the screw nut is fixed between the two fixed bearings, the speed reducing motor is connected to one end of the ball screw, and the screw nut is arranged on the ball screw and connected.
As shown in fig. 4, the electronic card 3 includes a plastic housing 31, an electromagnet 32 is disposed on an inner wall of an upper side of the plastic housing 31, a circuit board 33 is disposed on a lower side of the electromagnet 32, a processor, a reader, a signal acquisition module, a speed sensor 34 and a position sensor 35 are disposed on the circuit board 33, the signal acquisition module is configured to acquire a moving speed and a displacement track of the electronic card 3 in real time through the speed sensor 34 and the position sensor 35 and report the moving speed and the displacement track to the processor, a rechargeable lithium battery 36 is disposed on a lower side of the circuit board 33, and the electronic card 3 is adsorbed on; the processor is electrically connected with the reader, the signal acquisition module and the rechargeable lithium battery respectively, and the signal acquisition module is electrically connected with the speed sensor 34 and the position sensor 35 respectively; the circuit board 33 is also provided with a wireless module, and the wireless module is used for transmitting the moving speed and the displacement track acquired by the signal acquisition module to a monitoring center in real time; still be provided with wireless charging coil 37 between rechargeable lithium battery 36 and the plastic casing 31 downside inner wall, wireless charging coil 37's output links to each other with rechargeable lithium battery 36, conveniently charges to the no joint.
The card receiving device 2 is arranged in the middle of each lane 5 at the exit of the tunnel 4, the card receiving device 2 comprises a card receiving shell 21, an electronic tag 22 is arranged on one side of the card receiving shell 21 facing the driving direction of the vehicle, and a card receiving host is arranged on one side of the card receiving shell 21 far away from the electronic tag; when the reader follows the electronic card 3 to pass through the electronic tag, the electronic tag is read, the electromagnet 32 is triggered to stop working, and the electronic card 3 is separated from the chassis of the vehicle and falls to the card receiving host.
As shown in fig. 5, the monitoring method of the whole-course monitoring system for vehicles traveling in a tunnel according to the embodiment includes the following steps:
s1, the vehicle selects one lane 5 of the tunnel 4 to enter the tunnel 4;
s2, decelerating when the vehicle enters the tunnel 4, and driving over the card issuing device 1;
s3, the card-dialing mechanism 126 in the card-issuing host 12 transfers an electronic card 3 to the card tray 124 in advance;
s3, firstly, recording the license plate number of the passing vehicle by the camera 111, and then detecting the height of the chassis of the vehicle by the distance sensor 112;
s4, the first lifting mechanism 123 in the card issuing host 12 rapidly pushes the card holder 124 and the electronic card 3 to reach the corresponding heights;
s5, starting the electromagnet 32 in the electronic card 3 to work, and enabling the electronic card 3 to be adsorbed on the vehicle chassis;
s6, the electronic card 3 follows the vehicle to finish the whole process of the tunnel 4, and the moving speed and the moving track of the vehicle are collected in real time through the speed sensor 34 and the position sensor 35;
s7, when the electronic card reaches the card collecting device 2 and passes over the card collecting device 2, the reader in the electronic card 3 reads the electronic tag 3 arranged on the card collecting device 2, and the electromagnet 32 is triggered to stop working;
s8, the electronic card 3 is separated from the vehicle and falls into the card receiving host, and the travel is finished;
s9, in the process of travel, the wireless module sends the moving speed and the displacement track acquired by the signal acquisition module to a monitoring center in real time;
s10, judging whether the vehicle changes lanes or not by the monitoring center according to the displacement track and the preset normal running track, and judging whether the vehicle is overspeed or not according to the moving speed and the preset speed limit;
and S11, extracting and storing the license plate number of the vehicle with lane change or overspeed.
Example 2
As shown in fig. 1, the system for monitoring the whole driving process in the tunnel comprises a card issuing device 1, a card receiving device 2 and an electronic card 3, wherein the card issuing device 1 and the card receiving device 2 are buried in a lane, and the card issuing device 1 and the card receiving device 2 are higher than the ground by within 10 mm.
As shown in fig. 2, the card issuing device 1 is disposed in the middle of each lane 5 at the entrance of the tunnel 4, the card issuing device 1 includes a card issuing housing 11, a camera 111 is disposed on one side of the card issuing housing 11 facing the vehicle entering direction, a distance sensor 112 is disposed on one end of the upper surface of the card issuing housing 11 close to the camera 111, the camera 111 is used for recording the license plate number of the passing vehicle, and the distance sensor 112 is used for detecting the chassis height of the passing vehicle; the card issuing host 12 is arranged at one end of the upper surface of the card issuing machine shell 11, which is far away from the camera 111, and the card issuing host 12 is used for issuing the electronic cards 3 according to the chassis height and recording corresponding license plate numbers.
As shown in fig. 3, the card issuing host 12 includes a chassis 121, a card box 122 and a first lifting mechanism 123 are respectively disposed on two sides in the chassis 121, a card holder 124 is disposed on the first lifting mechanism 123, and an outlet is disposed on the chassis 121 above the card holder 124; the card holder 124 is arranged at one side of the opening of the card box 122, and the card-pulling mechanism 126 is arranged at the upper side of the opening of the card box 122; the outer wall of the card box 122 is provided with a second lifting mechanism 125, the second lifting mechanism 125 is connected with a supporting plate 124, the supporting plate 124 extends into the card box 122 to move, the upper surface of the supporting plate 124 is provided with an elastic part 127, a plurality of electronic cards 3 are stacked on the elastic part 127, the first lifting mechanism 123 is an electric push rod or an electric cylinder, the second lifting mechanism 125 comprises a ball screw, a screw nut, a fixed bearing and a speed reducing motor, the two fixed bearings are fixed at the upper end and the lower end of the card box 122, the screw nut is fixed between the two fixed bearings, the speed reducing motor is connected to one end of the ball screw, and the screw nut is arranged on the ball screw and connected.
As shown in fig. 4, the electronic card 3 includes a plastic housing 31, an electromagnet 32 is disposed on an inner wall of an upper side of the plastic housing 31, a circuit board 33 is disposed on a lower side of the electromagnet 32, a processor, a reader, a signal acquisition module, a speed sensor 34 and a position sensor 35 are disposed on the circuit board 33, the signal acquisition module is configured to acquire a moving speed and a displacement track of the electronic card 3 in real time through the speed sensor 34 and the position sensor 35 and report the moving speed and the displacement track to the processor, a rechargeable lithium battery 36 is disposed on a lower side of the circuit board 33, and the electronic card 3 is adsorbed on; the processor is electrically connected with the reader, the signal acquisition module and the rechargeable lithium battery respectively, and the signal acquisition module is electrically connected with the speed sensor 34 and the position sensor 35 respectively; the circuit board is also provided with a memory, the memory is used for storing the moving speed and the displacement track acquired by the signal acquisition module, and the circuit board 33 is also provided with a wireless module; still be provided with wireless charging coil 37 between rechargeable lithium battery 36 and the plastic casing 31 downside inner wall, wireless charging coil 37's output links to each other with rechargeable lithium battery 36, conveniently charges to the no joint.
The card receiving device 2 is arranged in the middle of each lane 5 at the exit of the tunnel 4, the card receiving device 2 comprises a card receiving shell 21, an electronic tag 22 is arranged on one side of the card receiving shell 21 facing the driving direction of the vehicle, and a card receiving host is arranged on one side of the card receiving shell 21 far away from the electronic tag; when the reader follows the electronic card 3 to pass through the electronic tag, the electronic tag is read, the electromagnet 32 is triggered to stop working, and the electronic card 3 is separated from the chassis of the vehicle and falls to the card receiving host.
As shown in fig. 5, the monitoring method of the whole-course monitoring system for vehicles traveling in a tunnel according to the embodiment includes the following steps:
s1, the vehicle selects one lane 5 of the tunnel 4 to enter the tunnel 4;
s2, decelerating when the vehicle enters the tunnel 4, and driving over the card issuing device 1;
s3, the card-dialing mechanism 126 in the card-issuing host 12 transfers an electronic card 3 to the card tray 124 in advance;
s3, firstly, recording the license plate number of the passing vehicle by the camera 111, and then detecting the height of the chassis of the vehicle by the distance sensor 112;
s4, the first lifting mechanism 123 in the card issuing host 12 rapidly pushes the card holder 124 and the electronic card 3 to reach the corresponding heights;
s5, starting the electromagnet 32 in the electronic card 3 to work, and enabling the electronic card 3 to be adsorbed on the vehicle chassis;
s6, the electronic card 3 follows the vehicle to finish the whole process of the tunnel 4, and the moving speed and the moving track of the vehicle are collected in real time through the speed sensor 34 and the position sensor 35;
s7, when the electronic card reaches the card collecting device 2 and passes over the card collecting device 2, the reader in the electronic card 3 reads the electronic tag 3 arranged on the card collecting device 2, and the electromagnet 32 is triggered to stop working;
s8, the electronic card 3 is separated from the vehicle and falls into the card receiving host, and the travel is finished;
s9, in the process of travel, the moving speed and the displacement track acquired by the signal acquisition module are stored in a memory, and the monitoring center reads the moving speed and the displacement track regularly through the wireless module; compared with embodiment 1, the arrangement is more power-saving, but the timeliness is poor;
s10, judging whether the vehicle changes lanes or not by the monitoring center according to the displacement track and the preset normal running track, and judging whether the vehicle is overspeed or not according to the moving speed and the preset speed limit;
and S11, extracting and storing the license plate number of the vehicle with lane change or overspeed.
Labeled as:
1 card sending device 11 card sending machine shell 111 camera 112 distance sensor 12 card sending host 121 machine box 122 card box 122 first elevating mechanism 124 card support 125 second elevating mechanism 126 card pulling mechanism 127 elastic piece
2 card receiving device 21 card receiving case
3 electronic card 31 plastic shell 32 electromagnet 33 circuit board 34 speed sensor 35 position sensor 36 rechargeable lithium battery 37 wireless charging coil
4 tunnels
5 lanes.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A system for monitoring the whole driving process in a tunnel is characterized by comprising a card issuing device, a card receiving device and an electronic card;
the card issuing device is arranged in the middle of each lane of the tunnel entrance and comprises a card issuing machine shell, a camera is arranged on one side of the card issuing machine shell facing the driving-in direction of the vehicle, a distance sensor is arranged on one end, close to the camera, of the upper surface of the card issuing machine shell, the camera is used for recording license plate numbers of the passing vehicles, and the distance sensor is used for detecting the chassis height of the passing vehicles; the card issuing host is arranged at one end, far away from the camera, of the upper surface of the card issuing machine shell and used for issuing electronic cards according to the chassis height and recording corresponding license plate numbers;
the electronic card comprises a plastic shell, an electromagnet is arranged on the inner wall of the upper side of the plastic shell, a circuit board is arranged on the lower side of the electromagnet, a processor, a reader, a signal acquisition module, a speed sensor and a position sensor are arranged on the circuit board, the signal acquisition module is used for acquiring the moving speed and the displacement track of the electronic card in real time through the speed sensor and the position sensor and reporting the moving speed and the displacement track to the processor, a rechargeable lithium battery is arranged on the lower side of the circuit board, and the electronic card is adsorbed on a chassis of a vehicle through the electromagnet; the processor is electrically connected with the reader, the signal acquisition module and the rechargeable lithium battery respectively, and the signal acquisition module is electrically connected with the speed sensor and the position sensor respectively;
the card receiving device is arranged in the middle of each lane of the tunnel outlet and comprises a card receiving shell, an electronic tag is arranged on one side of the card receiving shell facing the driving direction of the vehicle, and a card receiving host is arranged on one side of the card receiving shell far away from the electronic tag; when the reader follows the electronic card to pass through the electronic tag, the electronic tag is read, the electromagnet is triggered to stop working, and the electronic card is separated from the chassis of the vehicle and falls to the card receiving host.
2. The system for monitoring the whole driving process in the tunnel according to claim 1, wherein the card issuing host comprises a case, a card box and a first lifting mechanism are respectively arranged on two sides in the case, a card holder is configured on the first lifting mechanism, and an outlet is arranged on the case above the corresponding card holder; the card support is arranged on one side of the opening of the card box, and the card pushing mechanism is arranged on the upper side of the opening of the card box; the card case outer wall is provided with second elevating system, be connected with the layer board on the second elevating system, the layer board stretches into the motion of card incasement, the layer board upper surface is provided with the elastic component, the elastic component is folded and is equipped with a plurality of electronic cards.
3. The system according to claim 2, wherein the first lifting mechanism is an electric push rod or an electric cylinder, the second lifting mechanism comprises a ball screw, a screw nut, a fixed bearing and a speed reduction motor, the two fixed bearings are fixed at the upper end and the lower end of the card box, the screw nut is fixed between the two fixed bearings, the speed reduction motor is connected to one end of the ball screw, and the screw nut is disposed on the ball screw and connected to the support plate.
4. The system according to claim 1, wherein the card issuing device and the card receiving device are buried in a lane, and the card issuing device and the card receiving device are within 10mm above the ground.
5. The system according to claim 1, wherein the circuit board is further provided with a wireless module, and the wireless module is used for transmitting the moving speed and the displacement track acquired by the signal acquisition module to a monitoring center in real time.
6. The system according to claim 4, wherein the circuit board is further provided with a memory for storing the moving speed and the displacement track acquired by the signal acquisition module.
7. The system according to claim 1, wherein a wireless charging coil is further arranged between the rechargeable lithium battery and the inner wall of the lower side of the plastic shell, and an output end of the wireless charging coil is connected with the rechargeable lithium battery.
8. A monitoring method of a whole-course monitoring system for driving in a tunnel is characterized by comprising the following steps:
s1, the vehicle selects one lane of the tunnel to enter the tunnel;
s2, decelerating when the vehicle enters the tunnel, and driving over the card issuing device;
s3, the card-shifting mechanism in the card-issuing host transfers an electronic card to the card support in advance;
s4, firstly, recording the license plate number of the passing vehicle by a camera, and then detecting the height of the chassis of the vehicle by a distance sensor;
s5, the first lifting mechanism in the card issuing host rapidly pushes the card support and the electronic card to reach corresponding heights;
s6, starting an electromagnet in the electronic card to work, and enabling the electronic card to be adsorbed on a vehicle chassis;
s7, the electronic card follows the vehicle to finish the whole process of the tunnel, and the moving speed and the moving track of the vehicle are collected in real time through the speed sensor and the position sensor;
s8, when the electronic card reaches the card receiving device and passes over the card receiving device, the reader in the electronic card reads an electronic tag arranged on the card receiving device, and therefore the electromagnet is triggered to stop working;
and S9, the electronic card is separated from the vehicle and falls into the card receiving host, and the process is finished.
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| CN202011080793.4A CN112201048B (en) | 2020-10-11 | 2020-10-11 | System and method for monitoring whole driving process in tunnel |
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| CN202011080793.4A CN112201048B (en) | 2020-10-11 | 2020-10-11 | System and method for monitoring whole driving process in tunnel |
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