CN109188544B - Vehicle detection system - Google Patents
Vehicle detection system Download PDFInfo
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- CN109188544B CN109188544B CN201811081543.5A CN201811081543A CN109188544B CN 109188544 B CN109188544 B CN 109188544B CN 201811081543 A CN201811081543 A CN 201811081543A CN 109188544 B CN109188544 B CN 109188544B
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- 238000001514 detection method Methods 0.000 title claims abstract description 190
- 230000004888 barrier function Effects 0.000 claims abstract description 59
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- 238000009423 ventilation Methods 0.000 claims description 9
- 238000007689 inspection Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 230000001012 protector Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 44
- 230000005855 radiation Effects 0.000 description 14
- 230000008901 benefit Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
- G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
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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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Abstract
The invention relates to a vehicle detection system, comprising: the barrier gate comprises a first barrier gate arranged at the entrance of the channel and a second barrier gate arranged at the exit of the channel; a vehicle detection unit: the system comprises a first vehicle detection unit, a second vehicle detection unit, a third vehicle detection unit and a fourth vehicle detection unit; a license plate recognition unit; a ray scanning unit; a checking unit: the system is used for acquiring and displaying an image inside a vehicle compartment so as to be checked by a worker; a control center unit: the system comprises a gateway, a vehicle, a license plate and a carriage, wherein the gateway is used for receiving gateway state information, vehicle information, license plate information and carriage internal image information and performing associated storage on the vehicle information, the license plate information and the carriage internal image information; the control mode comprises a one-vehicle one-detection mode and an anti-reverse detection mode. The invention sets a plurality of operation modes, and effectively prevents field personnel from entering a detection area and being irradiated by rays through multiple detection and linkage protection measures.
Description
Technical Field
The invention relates to a nondestructive testing technology, in particular to a vehicle testing system.
Background
Along with the implementation of the national policy of establishing green channels of fresh and alive agricultural and sideline products of the expressway, governments of all places are matched with corresponding policy of reducing and avoiding expenses; however, some lawbreakers use this policy to steal the national fees by mixed loading, fraud, overrun, overload and other means, so that the highway suffers great economic loss. Therefore, the green channel vehicle detector is produced. The basic principle is that the light pattern in the carriage is detected by using the strong penetration capability of X-rays to judge whether counterfeit events, mixed loading events and other events occur so as to maintain the safe and normal operation of a green channel. However, the X-ray has strong radiation, and must be avoided, so as to prevent field personnel from entering the detection area and being irradiated by the X-ray.
Disclosure of Invention
The invention aims to provide a vehicle detection system which is provided with a plurality of operation modes, and can effectively prevent field personnel from entering a detection area and being irradiated by rays through multiple detection and linkage protection measures.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a vehicle detection system, which comprises the following contents: a barrier gate: the barrier gate is arranged at the entrance of the channel and the barrier gate II is arranged at the exit of the channel; a vehicle detection unit: the vehicle information detection device is used for detecting vehicle information and sending out the vehicle information when a vehicle passes by and comprises a first vehicle detection unit, a second vehicle detection unit, a third vehicle detection unit and a fourth vehicle detection unit; a license plate recognition unit: the license plate recognition system is used for recognizing the license plate information of the vehicle, and capturing and recognizing the license plate number; a ray scanning unit: the system is used for scanning and acquiring the image information inside the vehicle compartment; a checking unit: the system is used for acquiring and displaying an image inside a vehicle compartment so as to be checked by a worker; a control center unit: the system is used for receiving the state information of the barrier gate, the vehicle information, the license plate information and the image information in the carriage, and storing the vehicle information, the license plate information and the image information in the carriage in an associated manner. The vehicle detection unit I, the vehicle detection unit II, the vehicle detection unit III and the vehicle detection unit IV are sequentially arranged from the channel inlet to the channel outlet, and the control modes are as follows:
a first vehicle detection mode: a1, vehicle access program: the first vehicle detection unit is arranged in front of the first barrier gate, when no vehicle passes through the channel and the second barrier gate is closed, the first barrier gate is opened to release the vehicle and the first barrier gate is closed after the tail of the vehicle leaves; a2, vehicle identification program: the second vehicle detection unit is arranged between the first barrier gate and the license plate recognition unit, when the second vehicle detection unit detects that a vehicle passes through, the license plate recognition unit starts to recognize the license plate of the vehicle, and the ray scanning unit starts to prepare for scanning by voltage; a3, vehicle scanning program: when the vehicle detection unit III detects that a vehicle passes by, and then the vehicle detection unit IV detects the vehicle head, the ray scanning unit opens a ray scanning program, the ray scanning unit continuously scans until the vehicle detection unit III does not detect the vehicle, and the ray scanning unit scans and acquires image information inside a vehicle compartment and transmits the image information to the control center unit; a4, vehicle out-of-lane program: the inspection unit acquires image information inside the vehicle compartment, and after the staff pass the inspection, the second barrier gate opens the vehicle to be released, and closes after the tail of the vehicle leaves; after a5 and the barrier gate II are closed, the detection process is finished, and a1 is returned to start the next detection process;
the anti-reverse detection mode comprises the following steps:
b11, when the vehicle detection unit IV detects the vehicle firstly and the vehicle detection unit III detects the vehicle secondly, the control center unit judges that the vehicle backs up, the ray scanning unit closes the ray, the barrier gate II opens, and the detection process stops.
As an option, the specific content of the vehicle scanning procedure is as follows: the third vehicle detection unit detects that a vehicle passes through, and then the fourth vehicle detection unit starts a ray scanning program when detecting the vehicle head; when the vehicle is detected by the vehicle detection unit III and the vehicle detection unit IV at the same time, and the vehicle is continuously detected by the vehicle detection unit III and the vehicle detection unit IV, the ray scanning unit continuously scans; the ray scanning unit continues scanning until the vehicle detection unit III does not detect the vehicle, the ray is closed, and the scanning procedure is finished; the ray scanning unit scans and acquires the image information of the interior of the vehicle compartment and transmits the image information to the control center unit.
As an option, the anti-roll mode further includes the following: b12, in the process of the vehicle scanning program, when the vehicle detection unit three detects the vehicle and the vehicle detection unit four does not detect the vehicle, the control center unit judges that the vehicle is backing, the ray scanning unit closes the ray, the scanning program stops, and the scanning program is carried out again.
As an option, the vehicle detection unit three is a coil detection unit three, and the vehicle detection unit four is a light curtain detection unit, and the system further has a non-vehicle detection prevention mode, specifically as follows: when the third coil detection unit and the light curtain detection unit detect the object simultaneously and the coil detection unit detects that the width of the object is larger than the preset width value, the ray scanning unit opens the ray to scan, otherwise, the control center unit judges that the object is a non-vehicle and the ray scanning unit does not scan.
As an option, in the vehicle detection system, the first vehicle detection unit is a first coil detection unit comprising a first vehicle detector and a first coil, the second vehicle detection unit is a second coil detection unit comprising a second vehicle detector and a second coil, the third vehicle detection unit is a third coil detection unit comprising a third vehicle detector and a third coil, the fourth vehicle detection unit is a light curtain detection unit comprising a photoelectric emission module and a photoelectric receiving module, the ray scanning unit comprises a ray tube and a linear array which are arranged at two sides of the passage, the control center unit comprises a PC and a PLC, the first vehicle detector, the second vehicle detector, the third vehicle detector and the photoelectric receiving module are respectively connected with the PLC to transmit vehicle detection information, the barrier gate also transmits the open or closed state to the PLC, the PLC outputs a control command to open or close the barrier gate, and the PC and the PLC communicate to share the state information of each unit, and controlling the ray tube to emit rays and the linear array to scan, so that the linear array forms images inside the carriage of the vehicle and transmits the images to the PC.
As an option, the vehicle detection system further comprises a temperature control unit, wherein the temperature control unit is used for regulating and controlling the temperature of the environment of the ray tube and the linear array, the temperature control unit comprises an industrial air conditioner, a circulating fan and a temperature sensor, the industrial air conditioner is provided with the temperature sensor, the temperature sensor can regulate and control the temperature of the environment according to the set temperature and feed the temperature state back to the PLC, and the circulating fan is arranged in the linear array box for mounting the linear array to form a ventilation loop.
As an option, in the vehicle detection system, the ray tube is arranged in the first control room, the linear array is arranged in the second control room, the first control room is provided with the first industrial air conditioner, the second control room is provided with the second industrial air conditioner, the first control room and the second control room are arranged on two sides of the channel and are communicated through the ventilation channel, and the ventilation channel is provided with the circulating fan so that the first control room and the second control room form a circular flow.
Compared with the prior art, the invention has the following advantages:
the vehicle detection system provided by the invention is provided with a plurality of operation modes, and can effectively prevent field personnel from entering a detection area and being irradiated by rays through multiple detection and linkage protection measures.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a block flow diagram of the present invention;
FIG. 3 is a schematic view of a field layout embodiment of the present invention;
FIG. 4 is an electrical diagram of an overall power control embodiment of the present invention;
FIG. 5 is an electrical diagram of an exemplary radiation scanning power supply of the present invention;
FIG. 6 is an electrical diagram of an exemplary high voltage source of the present invention;
FIG. 7 is an electrical diagram of an example of an iVario-Generator X8 interface for X-rays of the present invention;
FIG. 8 is an electrical diagram of an example of an iVario-Generator X9 interface for X-rays of the present invention;
FIG. 9 is a diagram of the high-voltage output of the I/O box and the iVario-Generator X11 interface for X-ray according to the present invention;
FIG. 10 is an electrical diagram of an example of a PLC connection of the present invention;
FIG. 11 is an electrical diagram of an exemplary optoelectronic test of the present invention;
FIG. 12 is an electrical diagram of an example of a vehicle sensing unit of the present invention;
FIG. 13 is an electrical diagram of a second embodiment of the vehicle detecting unit of the present invention;
FIG. 14 is an electrical diagram of a four example embodiment of a vehicle sensing unit of the present invention;
FIG. 15 is an electrical diagram of an example electric cylinder control of the present invention;
FIG. 16 is an electrical diagram of an example of a barrier gate of the present invention;
FIG. 17 is an electrical diagram of a second embodiment of the barrier gate of the present invention;
FIG. 18 is an electrical diagram of an example of the anti-pound radar of the invention;
FIG. 19 is an electrical diagram of a second embodiment of the anti-tamping radar of the present invention;
FIG. 20 is an electrical diagram of an example of the camera 1 and camera 2 of the present invention;
FIG. 21 is an electrical diagram of an example temperature control system of the present invention;
FIG. 22 is an electrical diagram of the operating room power supply of the present invention;
FIG. 23 is an electrical diagram of an embodiment of the general power indicator light of the invention;
FIG. 24 is an electrical diagram of an example of a radiant status indicator light of the present invention;
FIG. 25 is an electrical diagram of an example of a ray scanning alarm of the present invention;
FIG. 26 is a schematic view showing an example of the arrangement of a control panel according to the present invention;
fig. 27 is a schematic view of a radiation structure of a radiation scanning unit according to the present invention.
Detailed Description
The embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that the embodiments described herein are only for the purpose of illustrating and explaining the present invention, and are not intended to limit the present invention.
Examples
As shown in fig. 1-2, the vehicle detection system provided in this embodiment includes the following:
a barrier gate: the barrier gate is arranged at the entrance of the channel and the barrier gate II is arranged at the exit of the channel;
a vehicle detection unit: the vehicle information detection device is used for detecting vehicle information and sending out the vehicle information when a vehicle passes by and comprises a first vehicle detection unit, a second vehicle detection unit, a third vehicle detection unit and a fourth vehicle detection unit;
a license plate recognition unit: the license plate recognition system is used for recognizing the license plate information of the vehicle, and capturing and recognizing the license plate number;
a ray scanning unit: the system is used for scanning and acquiring the image information inside the vehicle compartment;
a checking unit: the system is used for acquiring and displaying an image inside a vehicle compartment so as to be checked by a worker;
a control center unit: the system comprises a gateway, a vehicle, a license plate and a carriage, wherein the gateway is used for receiving gateway state information, vehicle information, license plate information and carriage internal image information and performing associated storage on the vehicle information, the license plate information and the carriage internal image information;
the first vehicle detection unit, the second vehicle detection unit, the third vehicle detection unit and the fourth vehicle detection unit are sequentially arranged from the inlet to the outlet of the channel.
The vehicle detection system has the following control modes:
a first vehicle detection mode: a1, vehicle access program: the first vehicle detection unit is arranged in front of the first barrier gate, when no vehicle passes through the channel and the second barrier gate is closed, the first barrier gate is opened to release the vehicle and the first barrier gate is closed after the tail of the vehicle leaves; a2, vehicle identification program: the second vehicle detection unit is arranged between the first barrier gate and the license plate recognition unit, when the second vehicle detection unit detects that a vehicle passes through, the license plate recognition unit starts to recognize the license plate of the vehicle, and the ray scanning unit starts to prepare for scanning by voltage; a3, vehicle scanning program: when the vehicle detection unit III detects that a vehicle passes by, and then the vehicle detection unit IV detects the vehicle head, the ray scanning unit opens a ray scanning program, the ray scanning unit continuously scans until the vehicle detection unit III does not detect the vehicle, and the ray scanning unit scans and acquires image information inside a vehicle compartment and transmits the image information to the control center unit; a4, vehicle out-of-lane program: the inspection unit acquires image information inside the vehicle compartment, and after the staff pass the inspection, the second barrier gate opens the vehicle to be released, and closes after the tail of the vehicle leaves; and a5, after the second barrier gate is closed, the detection process is finished, and a1 is returned to start the next detection process.
The anti-reverse detection mode comprises the following steps:
b11, when the vehicle detection unit IV detects the vehicle firstly and the vehicle detection unit III detects the vehicle secondly, the control center unit judges that the vehicle backs up, the ray scanning unit closes the ray, the barrier gate II opens, and the detection process stops.
The specific contents of the vehicle scanning program are as follows: the third vehicle detection unit detects that a vehicle passes through, and then the fourth vehicle detection unit starts a ray scanning program when detecting the vehicle head; when the vehicle is detected by the vehicle detection unit III and the vehicle detection unit IV at the same time, and the vehicle is continuously detected by the vehicle detection unit III and the vehicle detection unit IV, the ray scanning unit continuously scans; the ray scanning unit continues scanning until the vehicle detection unit III does not detect the vehicle, the ray is closed, and the scanning procedure is finished; the ray scanning unit scans and acquires the image information of the interior of the vehicle compartment and transmits the image information to the control center unit.
As an option, in an embodiment, the monitoring system anti-roll mode further includes the following:
b12, in the process of the vehicle scanning program, when the vehicle detection unit three detects the vehicle and the vehicle detection unit four does not detect the vehicle, the control center unit judges that the vehicle is backing, the ray scanning unit closes the ray, the scanning program stops, and the scanning program is carried out again.
As an option, in an embodiment, the vehicle detection unit three is a coil detection unit three, and the vehicle detection unit four is a light curtain detection unit, and the system further has a non-vehicle detection prevention mode, which specifically includes the following steps:
when the third coil detection unit and the light curtain detection unit detect the object simultaneously and the coil detection unit detects that the width of the metal object is larger than the preset width value, the ray scanning unit opens the ray to scan, otherwise, the control center unit judges that the object is a non-vehicle and the ray scanning unit does not scan.
Each unit circuit example will be specifically described below.
In the vehicle detection system, a vehicle detection unit I is a coil detection unit I comprising a vehicle detector I and a coil I, a vehicle detection unit II is a coil detection unit II comprising a vehicle detector II and a coil II, a vehicle detection unit III is a coil detection unit III comprising a vehicle detector III and a coil III, a vehicle detection unit IV is a light curtain detection unit comprising a photoelectric emission module and a photoelectric receiving module, a ray scanning unit comprises an X-ray tube and a linear array which are arranged at two sides of a channel, a control center unit is a PC (industrial personal computer) and a PLC (programmable logic controller), the vehicle detector I, the vehicle detector II, the vehicle detector III and the photoelectric receiving module are respectively connected with the PLC to transmit vehicle detection information, a barrier gate also transmits the opening or closing state of the barrier gate to the PLC, the PLC outputs a control instruction to open or close the barrier gate, and the PC and the PLC communicate to share the state information of each, and controlling the ray tube to emit rays and the linear array to scan, so that the linear array forms images inside the carriage of the vehicle and transmits the images to the PC.
The vehicle detection system can further comprise a temperature control unit, wherein the temperature control unit is used for regulating and controlling the temperature of the environment of the ray tube and the linear array, the temperature control unit comprises an industrial air conditioner, a circulating fan and a thermocouple temperature sensor, the industrial air conditioner is provided with the temperature sensor which can regulate and control the temperature of the environment according to the set temperature, the industrial air conditioner temperature sensor and the thermocouple temperature sensor feed back the temperature state to the PLC, and the circulating fan is arranged in the linear array box for mounting the linear array to form a ventilation loop. In the vehicle detection system, the ray tube is arranged in a first control room, the linear array is arranged in a second control room, the first control room is provided with a first industrial air conditioner, the second control room is provided with a second industrial air conditioner, the first control room and the second control room are arranged at two sides of a channel and are communicated through an air duct, and a circulating fan is arranged on the air duct to enable the first control room and the second control room to form circular flow.
Referring to fig. 3, a schematic diagram of an embodiment of the system in-situ layout is shown. A height limiting column is arranged at the entrance of the passage to limit the loading height of the vehicle. And protective walls are respectively arranged on two sides of the 2 control rooms to play a protective role. An operator's cab (console) is provided at the exit of the passage to check and release the vehicle. And embedding a wire pipe on the channel in advance so as to penetrate through an electric wire, a data connecting wire and the like.
Referring to fig. 4, an electrical diagram of an example of overall power supply control is shown. Three-phase power is accessed through three-phase five wires, and the input end position of the three-phase power is connected to an alternating current power supply lightning protector through a power transmitter after passing through a breaker QF 0; the three-phase power is connected with a three-phase power branch I and a three-phase power branch II, the three-phase power branch I is connected to a first air conditioner of a first ray tube control room through a breaker QF1 to serve as a power supply of the first air conditioner, and the three-phase power branch II serves as a high-voltage power supply (a high-voltage generator, a high-voltage controller, a cooler and the like) of related units; the three-phase power distribution comprises a single-phase power I and a single-phase power II, the single-phase power I is connected to a control room II, an air conditioner II and a linear array circulating fan through a circuit breaker QF2 to serve as power supplies of the single-phase power I, and the single-phase power II is connected to an operation room to serve as a power supply of the linear array circulating fan; and a three-phase power branch III and a single-phase power branch III are also connected, and are respectively provided with a breaker QF3 and a breaker QF4 which are used as temporary power access ports for field construction.
Referring to fig. 5, an electrical diagram of an example of a radiation scanning power supply is shown. The three-phase branch II is distributed with a single-phase electric branch I, a single-phase electric branch II and a single-phase electric branch III through a breaker QF101, the single-phase electric branch is connected to an X1 interface (iVario-Generator X1 interface) of a high-voltage Generator through a breaker QF102 and a contactor KM101 to serve as an auxiliary power supply of the single-phase electric branch, the single-phase electric branch II is connected to an X2 interface of the high-voltage Generator through a breaker QF103 and a contactor KM102 to serve as a main power supply of the single-phase electric branch, and the single-phase electric branch III is connected to a power supply interface of a cooler through.
Referring to fig. 6, an electrical diagram of an example of a high voltage source for radiation is shown. The power supply control circuit comprises an internal power supply control circuit, an internal switching power supply circuit and an external control circuit.
Referring to FIG. 7, an electrical diagram of an example of the iVario-Generator X8 interface for X-rays; referring to FIG. 8, an example electrical diagram of the iVario-Generator X9 interface; referring to FIG. 9, the iVario-Generator X11 interface and I/O box high voltage state output electrical diagram; enabling rays, feeding back all ready signals after the ready signals are ready, and feeding back pre-alarm signals at the same time; when the ray is emitted, a beam state signal is fed back.
Referring to fig. 10, a PLC wiring diagram is shown. The PLC is used as a part of the control center unit and is used for comprehensively processing the associated operation of each unit.
Referring to FIG. 11, an electrical diagram of an example of a photodetection, scanning is initiated with the radiation shutter opened in association; referring to fig. 12-14, which are example electrical diagrams of coil vehicle detection one to three, vehicle detector 1 detects vehicle associated start barrier one, vehicle detector 2 detects that vehicle associated start vehicle license plate is recognized, and vehicle detector 3 detects vehicle associated close shutter.
Referring to fig. 15, an electrical diagram of an example of electric cylinder control is shown.
Referring to fig. 16-17, electrical diagrams of an example of a first barrier gate and a second barrier gate are shown.
Referring to fig. 18-19, which are electrical diagrams of an example of anti-pound detection of a barrier gate, an anti-pound radar (virtual coil) 1 is installed on a first barrier gate, and an anti-pound radar 2 is installed on a second barrier gate, so that a vehicle can be detected and prevented from being pound when the barrier gate is closed.
Referring to fig. 20, which is an example electrical diagram of the camera 1 and the camera 2, the camera 1 recognizes a small-sized vehicle and the camera 2 recognizes a large-sized vehicle by setting a focus position of the camera, ensuring a license plate recognition rate.
Referring to fig. 21, an electrical diagram of an example of a temperature control system (UNC176601E temperature control system) is shown, which includes an electrical diagram of an air conditioner in a radiation control room (control room one), an L-shaped linear fan, an air conditioner in a main control cabinet (control room two), and a thermal resistor.
Referring to fig. 22, an electrical diagram of the operating room power supply is shown. The power supply is distributed through 3-4 square millimeter wires to be used as a general power supply interface for air conditioning, sockets, illumination and the like of an operation room, is also distributed through a breaker QF8 to be used as an equipment illumination interface, and is also output through a breaker QF9 and a direct current power supply (NE120-12V) to be used as a system state warning lamp power supply.
Referring to fig. 23, there is an electrical diagram of an example of a general power indicator light, which is installed in an operating room. Referring to fig. 24, an electrical diagram of an example of the ray status indicator light is shown, which is disposed on the control panel. Referring to fig. 25, there is shown an electrical diagram of an example of a radiation scanning alarm mounted on a protective wall for alarming during radiation scanning. Referring to fig. 26, an example of the arrangement of the control panel is shown.
Referring to fig. 27, which is a schematic view of a radiation structure of a radiation scanning unit, the radiation modules are vertically arranged, the L-shaped linear arrays are arranged in an L shape, and the combination is in a U shape to receive radiation and form an image. And the U-shaped air channel is expanded outside the L-shaped air channel so as to further radiate the L-shaped air channel and balance the temperatures of the first control room and the second control room. In the figure, 51 is a first control room, 52 is a second control room, 61 is a first air conditioner, 62 is a second air conditioner, 721 is a linear lead casing, 91 is a first circulation fan, 92 is a second circulation fan, 93 is an L-shaped air duct, 94 is a U-shaped air duct, and 95 is a U-shaped air duct casing.
As described above, the present system has the following functions:
1. a first vehicle inspection detection process:
starting an automatic operation program (or manually operating); when the vehicle presses the coil 1 (and no vehicle is in the channel at the moment, only one vehicle passes the inspection at each time) the barrier gate 1 is opened; when the head of the vehicle presses the coil 2, the PLC acquires a signal of the coil 2, triggers the head camera 1 and the head camera 2 to identify the license plate (the camera 1 identifies the small vehicle, the camera 2 identifies the large vehicle, and ensures the license plate identification rate), and controls the ray tube to start high voltage (to prepare for X-ray exposure); when the tail of the vehicle leaves the anti-smashing virtual coil, the barrier gate 1 is closed (only one vehicle in the detection channel is ensured to pass the detection); when the vehicle separator light curtain senses a vehicle, the PLC collects light curtain signals, controls the stepping motor to open the optical gate, starts X-ray exposure, and simultaneously communicates with the PC upper computer machine to scan an X-ray image; when the tail of the vehicle leaves the coil 3, the PLC controls to close the optical gate after the scanning is finished, and the drawing is stopped; when the vehicle runs to a charging window, the security inspector judges whether contraband exists on the vehicle according to the X-ray picture; when all normal conditions exist, the safety personnel release the vehicle by one key, the barrier gate 2 is opened, when the tail of the vehicle leaves the anti-smashing virtual coil, the barrier gate 2 is closed, and the detection is finished; when the next vehicle presses the coil 1, the cycle detection starts again.
2. Temperature control system
(1) The system comprises the following components: one AC3KW industrial air conditioner, one AC5KW industrial air conditioner, two AC220V circulating fans, one thermal resistance temperature sensor.
(2) Description of the drawings: the two industrial air conditioners are respectively positioned in two control rooms, the circulating fan is positioned in the linear array box to form a ventilation loop (as shown in a detection flow chart), the thermal resistance temperature sensor is positioned in the ray tube control room, and the AC5KW industrial air conditioner with the temperature sensor forms double insurance.
(3) The working principle is as follows: the industrial air conditioner is provided with heating and refrigeration, the temperature is controlled to be 10-35 ℃, a thermal resistance temperature sensor and the air conditioner are provided with the temperature sensor to form an alarm system, when the temperature exceeds a set range, a Programmable Logic Controller (PLC) collects alarm signals and controls the equipment to stop running (the thermal resistance sensor and the PLC are powered by a UPS, and when power failure is ensured, temperature signals can be collected, low temperature or high temperature can be found in time, necessary measures are taken, and the equipment is ensured to be stable).
3. Preventing non-vehicle detection
As mentioned before, the coil 3 and the light curtain function: opening the shutter and closing the shutter.
The conditions for opening the shutter are: vehicle information is sensed simultaneously to coil 3 and light curtain, and just it is effective that coil 3 must sense ironware, and the benefit of doing so can shield people and the object that the width is less than 1.9 meters, avoids non-vehicle to receive X ray to shine, guarantees personnel's safety.
4. Anti-falling vehicle
The coils 3 and 4 can be controlled by a program to prevent the reverse turning: when the coil 4 induces the vehicle firstly and the coil 3 induces the vehicle later, the PLC automatically judges that the vehicle backs up, at the moment, the ray is closed, the barrier gate 2 is opened, and the system stops detecting, so that the purpose of protection is achieved.
5. Emergency stop
The protective wall and the operating platform are provided with 5 emergency stop switches, when X-ray leakage or personnel safety is found, the X-ray can be closed by pressing the emergency stop, and the detection is stopped.
6. Infrared monitoring system
4 infrared monitoring devices are installed on site, the road surface is monitored in 24 hours, and the vehicle detection area is convenient to observe, so that the safety of personnel is protected
7. Voice playing system
Install 2 voice broadcast stereo sets on protective wall door type frame, remind the field personnel at any time, pay attention to safety, do not need to get into the detection zone
8. Warning light reminding system
The protective wall door-shaped frame is provided with 3 warning lamps which are respectively red, yellow and green. Red for ray on; yellow indicates that the shutter is open and exposure has begun; green represents the system in a detection state. The three-color warning light can remind field workers, equipment running state and danger prompt.
9. Outdoor lightning protection
The equipment is installed outdoors, has the risk of thunderbolt, installs anti-induction thunderbolt controller, protection equipment power consumption safety.
It should be understood that the above-described embodiments and examples of the present invention are for purposes of illustration and explanation, and are not intended to limit the scope of the invention. The scope of the invention is defined by the claims rather than the embodiments and examples described above.
Claims (1)
1. A vehicle detection system, comprising,
a barrier gate: the barrier gate is arranged at the entrance of the channel and the barrier gate II is arranged at the exit of the channel;
a vehicle detection unit: the vehicle information detection device is used for detecting vehicle information and sending out the vehicle information when a vehicle passes by and comprises a first vehicle detection unit, a second vehicle detection unit, a third vehicle detection unit and a fourth vehicle detection unit;
a license plate recognition unit: the license plate recognition system is used for recognizing the license plate information of the vehicle, and capturing and recognizing the license plate number;
a ray scanning unit: the system is used for scanning and acquiring the image information inside the vehicle compartment;
a checking unit: the system is used for acquiring and displaying an image inside a vehicle compartment so as to be checked by a worker;
a control center unit: the system comprises a gateway, a vehicle, a license plate and a carriage, wherein the gateway is used for receiving gateway state information, vehicle information, license plate information and carriage internal image information and performing associated storage on the vehicle information, the license plate information and the carriage internal image information;
the vehicle detection unit I, the vehicle detection unit II, the vehicle detection unit III and the vehicle detection unit IV are sequentially arranged from the channel inlet to the channel outlet, and the control modes are as follows:
a first vehicle detection mode: a1, vehicle access program: the first vehicle detection unit is arranged in front of the first barrier gate, when no vehicle passes through the channel and the second barrier gate is closed, the first barrier gate is opened to release the vehicle and the first barrier gate is closed after the tail of the vehicle leaves; a2, vehicle identification program: the second vehicle detection unit is arranged between the first barrier gate and the license plate recognition unit, when the second vehicle detection unit detects that a vehicle passes through, the license plate recognition unit starts to recognize the license plate of the vehicle, and the ray scanning unit starts to prepare for scanning by voltage; a3, vehicle scanning program: when the vehicle detection unit III detects that a vehicle passes by, and then the vehicle detection unit IV detects the vehicle head, the ray scanning unit opens a ray scanning program, the ray scanning unit continuously scans until the vehicle detection unit III does not detect the vehicle, and the ray scanning unit scans and acquires image information inside a vehicle compartment and transmits the image information to the control center unit; a4, vehicle out-of-lane program: the inspection unit acquires image information inside the vehicle compartment, and after the staff pass the inspection, the second barrier gate opens the vehicle to be released, and closes after the tail of the vehicle leaves; after a5 and the barrier gate II are closed, the detection process is finished, and a1 is returned to start the next detection process;
the anti-reverse detection mode comprises the following steps:
b11, when the vehicle detection unit IV detects the vehicle firstly and the vehicle detection unit III detects the vehicle secondly, the control center unit judges that the vehicle backs up, the ray scanning unit closes the ray, the barrier gate II opens, and the detection process stops;
in the vehicle detection system, a vehicle detection unit I is a coil detection unit I comprising a vehicle detector I and a coil I, a vehicle detection unit II is a coil detection unit II comprising a vehicle detector II and a coil II, a vehicle detection unit III is a coil detection unit III comprising a vehicle detector III and a coil III, a vehicle detection unit IV is a light curtain detection unit comprising a photoelectric emission module and a photoelectric receiving module, a ray scanning unit comprises a ray tube and a linear array which are arranged at two sides of a channel, a control center unit is a PC and a PLC, the vehicle detector I, the vehicle detector II, the vehicle detector III and the photoelectric receiving module are respectively connected with the PLC to transmit vehicle detection information, the barrier also transmits the opening or closing state of the barrier to the PLC, the PLC outputs a control instruction to open or close the barrier, the PC and the PLC communicate to share the state information of each unit and control the ray tube to emit rays and scan the linear array, thus the linear array forms images inside the vehicle compartment and transmits the images to the PC;
the vehicle detection system also comprises a temperature control unit, wherein the temperature control unit is used for regulating and controlling the temperature of the environment of the ray tube and the linear array, the temperature control unit comprises an industrial air conditioner, a circulating fan and a temperature sensor, the industrial air conditioner is provided with the temperature sensor which can regulate and control the temperature of the environment according to the set temperature and feed the temperature state back to the PLC, and the circulating fan is arranged in the linear array box for mounting the linear array to form a ventilation loop; the two industrial air conditioners are respectively positioned in two control rooms, namely an industrial air conditioner I and an industrial air conditioner II, the circulating fan is positioned in the linear array box to form a ventilation loop, the temperature sensor is positioned in the ray tube control room, and the temperature sensor and the industrial air conditioner are provided with temperature sensors to form double insurance;
in the vehicle detection system, a ray tube is arranged in a first control room, a linear array is arranged in a second control room, the first control room is provided with a first industrial air conditioner, the second control room is provided with a second industrial air conditioner, the first control room and the second control room are arranged at two sides of a channel and are communicated through an air duct, and a circulating fan is arranged on the air duct to enable the first control room and the second control room to form annular flow;
the system further comprises a mains power supply: three-phase power is accessed through three-phase five wires, and the input end position of the three-phase power is connected to an alternating current power supply lightning protector through a power transmitter after passing through a breaker QF 0; the three-phase power is connected with a first three-phase power branch and a second three-phase power branch, the first three-phase power branch is connected to a first air conditioner of a first ray tube control room through a breaker QF1 to serve as a power supply of the first three-phase power branch, the second three-phase power branch serves as a high-voltage power supply of a related unit, and the related unit comprises a high-voltage generator, a high-voltage controller and a cooler; the three-phase power distribution comprises a single-phase power I and a single-phase power II, the single-phase power I is connected to a control room II, an air conditioner II and a linear array circulating fan through a circuit breaker QF2 to serve as power supplies of the single-phase power I, and the single-phase power II is connected to an operation room to serve as a power supply of the linear array circulating fan; a three-phase power branch III and a single-phase power branch III are also connected, and circuit breakers QF3 and QF4 are respectively arranged to be used as temporary power access ports for field construction;
the ray scanning power supply is connected to the main power supply, and specifically comprises: the three-phase electric branch II is distributed with a single-phase electric branch I, a single-phase electric branch II and a single-phase electric branch III through a breaker QF101, the single-phase electric branch is connected to an X1 interface of a high-voltage Generator through a breaker QF102 and a contactor KM101, namely an iVario-Generator X1 interface is used as an auxiliary power supply of the single-phase electric branch, the single-phase electric branch II is connected to an X2 interface of the high-voltage Generator through a breaker QF103 and a contactor KM102 and is used as a main power supply of the single-phase electric branch II, and the single-phase electric branch III is connected to a power supply;
the specific contents of the vehicle scanning program are as follows: the third vehicle detection unit detects that a vehicle passes through, and then the fourth vehicle detection unit starts a ray scanning program when detecting the vehicle head; when the vehicle is detected by the vehicle detection unit III and the vehicle detection unit IV at the same time, and the vehicle is continuously detected by the vehicle detection unit III and the vehicle detection unit IV, the ray scanning unit continuously scans; the ray scanning unit continues scanning until the vehicle detection unit III does not detect the vehicle, the ray is closed, and the scanning procedure is finished; the ray scanning unit scans and obtains image information inside the vehicle compartment and transmits the image information to the control center unit;
the anti-falling mode further comprises the following contents: b12, in the process of the vehicle scanning program, when the vehicle detection unit III detects the vehicle and the vehicle detection unit IV does not detect the vehicle, the control center unit judges that the vehicle is backing, the ray scanning unit closes the ray, the scanning program stops, and the scanning program is carried out again;
the system also has a non-vehicle detection prevention mode, and specifically comprises the following steps: when the third coil detection unit and the third light curtain detection unit detect the object at the same time, the third coil detection unit must sense an iron object, and the third coil detection unit detects that the width of the object is greater than a preset width value, the ray scanning unit turns on rays to scan, otherwise, the control center unit judges that the object is a non-vehicle and the ray scanning unit does not scan;
protective walls are respectively arranged on two sides of the control room, an operation table for workers is arranged at an outlet of the passage, 5 emergency stop switches are arranged on the protective walls and the operation table, when leakage of X-rays or safety of the workers is found, the X-rays can be turned off and detection is stopped by pressing the emergency stop switches;
the ray tubes are vertically arranged, the linear arrays are arranged in an L shape and combined in a U shape to receive and scan to form images; an L-shaped ventilation duct is arranged on the back of the linear array, and circulating fans are arranged at two ends of the L-shaped ventilation duct to dissipate heat of the linear array; and U-shaped air channels are arranged on the peripheries of the ray tube and the L-shaped air channel so as to further dissipate heat of the L-shaped air channel and balance the temperature of the first control chamber and the second control chamber.
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| CN201811081543.5A CN109188544B (en) | 2018-09-17 | 2018-09-17 | Vehicle detection system |
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| CN201811081543.5A CN109188544B (en) | 2018-09-17 | 2018-09-17 | Vehicle detection system |
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| CN111583703B (en) * | 2020-04-29 | 2022-03-08 | 济南博观智能科技有限公司 | Parking lot access control system and method |
| CN113257033B (en) * | 2021-07-01 | 2021-09-24 | 成都宜泊信息科技有限公司 | Parking lot management method and system, storage medium and electronic equipment |
| CN113945990A (en) * | 2021-10-13 | 2022-01-18 | 同方威视科技江苏有限公司 | Safety inspection method, device and system for passenger car |
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