CN106530747B - A kind of vehicle-mounted evidence-obtaining system and method - Google Patents
A kind of vehicle-mounted evidence-obtaining system and method Download PDFInfo
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- CN106530747B CN106530747B CN201610971708.0A CN201610971708A CN106530747B CN 106530747 B CN106530747 B CN 106530747B CN 201610971708 A CN201610971708 A CN 201610971708A CN 106530747 B CN106530747 B CN 106530747B
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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
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/04—Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
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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
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
- B60R2011/004—Arrangements for holding or mounting articles, not otherwise provided for characterised by position outside the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
- B60R2011/008—Adjustable or movable supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
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Abstract
The invention discloses evidence taking equipment, interior display control apparatus are monitored outside a kind of vehicle-mounted evidence-obtaining system and method, including vehicle；Monitor outside vehicle the mould group that tests the speed before evidence taking equipment includes, after test the speed mould group, preceding video camera, rear video camera, monitoring head, several panoramic cameras, monitoring evidence obtaining host and the long row police lamp comprising headlamp, warning lamp and loudspeaker.The invention has the advantages that 1, by installing the evidence-obtaining system on a police car, all illegal evidence obtaining processes can be automatically performed, reduced costs.2, it can be rapidly performed by comprehensive monitoring evidence obtaining, accuracy is high, is less prone to omission.3, using multiple target radar, measuring speed and taking snap pictures are carried out to multiple target vehicles simultaneously before and after cruiser, so that evidence obtaining is more accurate effectively；4, integrated level is high, and roof monitoring evidence taking equipment is installed in long row police lamp, avoids the problems such as conventional split type system roof apparatus installation difficulty is big, and requirements of installation space is high.
Description
Technical Field
The invention relates to a traffic violation evidence obtaining technology, in particular to a vehicle-mounted evidence obtaining system and a vehicle-mounted evidence obtaining method.
Background
With the prosperous and social development of the national economy, the construction of cities, villages and towns is developing towards three-dimensional and intelligent development, the current traffic situation is more and more complicated by the high-speed and three-dimensional road traffic junction, various traffic illegal behaviors emerge endlessly, and the number of the traffic accidents is greatly increased. The high frequency of various traffic accidents brings great loss to the life and property of the nation and people, brings great difficulty to traffic management, rescue on the traffic accident site and handling work on the accident site, and puts higher requirements on the public security traffic police department. The effective and scientific treatment of various accidents by the traffic police department is more and more important. The application of a rapid and agile reaction system, intellectualization and high-tech equipment is a basic requirement of a traffic management department.
The road surface prevention and control management measures of the current system of the road traffic in China are firstly various speed measurement, video monitoring, road access and other fixed point detection evidence obtaining measures on hardware facilities; secondly, adopting daily management measures of manually checking overspeed driving, incomplete lighting facilities, checking passenger car overtaken at toll station ports, checking occupied road driving at key road sections, strengthening safety propaganda and education in service areas and checking other illegal behaviors; thirdly, the implementation of concentrated special regulation measures for road traffic safety is carried out regularly; and various serious illegal behaviors existing in road traffic are discovered and treated, and the aim of preventing and controlling the road surface is fulfilled.
Above three kinds of modes, all there is whole running cost too high, and the not wide problem of coverage is not enough, is unfavorable for going on for a long time of supervisory work, consequently, need put forward a new scheme urgently, walk out a new way that uses online video patrol, electronic police control, off-site law enforcement punishment to lead from traditional manhai formula, wheel formula duty mode to neotype, key highway section, key period patrol the management and control and become supplementary duty mode and change.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the vehicle-mounted evidence obtaining system which has the characteristics of comprehensive functions, good operability and the like.
In order to achieve the purpose, the invention provides the following technical scheme:
a vehicle-mounted evidence obtaining system comprises an external monitoring evidence obtaining device and an internal display control device; wherein,
the vehicle exterior monitoring evidence obtaining equipment comprises a front speed measuring module, a rear speed measuring module, a front camera, a rear camera and a monitoring evidence obtaining host; the front camera, the rear camera, the front speed measuring module and the rear speed measuring module are all electrically connected with the monitoring evidence obtaining host;
the in-vehicle display control device is configured to receive and display monitoring data from the monitoring and forensics host and send corresponding forensics mode instructions to the monitoring and forensics host;
the monitoring forensics host is configured to respond to a forensics mode instruction sent by the in-vehicle display control equipment, and enter a corresponding forensics mode so as to respectively start the front camera, the rear camera, the front speed measuring module and the rear speed measuring module and carry out function distribution; under different evidence obtaining modes, corresponding analysis processing is carried out on monitoring data received by the front camera, the rear camera, the front speed measuring module and the rear speed measuring module, and corresponding evidence obtaining data is generated; and sending the monitoring data to the in-vehicle display control device.
Preferably, the vehicle exterior monitoring and evidence obtaining device further comprises a long-range warning lamp, wherein the long-range warning lamp comprises a shell, a lamp assembly arranged on the periphery of the shell, a loudspeaker arranged on the shell and a control box arranged in the shell; the lamp assembly and the loudspeaker are electrically connected with the control box;
the monitoring evidence obtaining host is arranged in the long-row warning lamp and is electrically connected with the control box; the monitoring cloud platform is arranged at the top of the shell;
the front side and the rear side of the shell are respectively provided with a front shield and a rear shield, the front camera and the front speed measuring module are arranged in the front shield, and the rear camera and the rear speed measuring module are arranged in the rear shield; the front shield and the rear shield are both arranged on the shell through an adjusting component, and a driving component for driving the adjusting component to act is arranged in the middle of the interior of the shell; the driving assembly is electrically connected with the monitoring evidence obtaining host.
Preferably, the driving assembly comprises a cover body, a stepping motor positioned in the cover body, a speed reducer in transmission connection with the stepping motor, a gear and a rotary encoder which are sequentially arranged on an output shaft of the speed reducer, a sliding rail which is positioned below the gear and is vertical to the axial direction of the gear, a rack which is arranged on the sliding rail in a sliding manner and is meshed with the gear, and two rotating shafts which are positioned on the same side of the rack and are symmetrically arranged; the middle part of the rotating shaft is provided with an annular boss, a lower deep groove ball bearing, a lower pressing ring and a lower sealing ring are sequentially arranged below the annular boss, and a rotating arm, a shaft sleeve, an upper deep groove ball bearing, an upper pressing ring and an upper sealing ring are sequentially arranged above the annular boss; the upper sealing ring and the lower sealing ring are respectively abutted against the inner wall of the cover body; a through groove is formed in the other end of the rotating arm, and clamping shafts extending into the through grooves of the corresponding rotating arms are respectively arranged at the left end and the right end of the rack;
the two adjusting components are respectively positioned at the front side and the rear side of the cover body and comprise a horizontal adjusting frame and a vertical adjusting frame, the horizontal adjusting frame is U-shaped, the inner side of the opening end of the horizontal adjusting frame is clamped at the upper side and the lower side of the cover body, and the horizontal adjusting frame and the vertical adjusting frame are respectively detachably connected with the upper end and the lower end of the rotating shaft at the same side; the other end extends out of the shell and is vertically and rotatably connected with the vertical adjusting frame; the two vertical adjusting frames are detachably connected with the corresponding front monitoring module and the corresponding rear monitoring module respectively.
Preferably, install a plurality of panoramic camera on the casing, the control cloud platform is installed at the top of casing, and control cloud platform and a plurality of panoramic camera all are connected with the host computer electricity of collecting evidence of control.
Preferably, the monitoring and forensics host is configured with a 3G/4G module, a WiFi module and a BD/GPS module, and the monitoring and forensics host is configured to be in communication connection with a remote server through the 3G/4G module so as to be in communication connection with the handheld device through the WiFi module, and automatically correct system time and forensics location information according to satellite time and positioning information of the BD/GPS module.
Preferably, the monitoring and evidence obtaining host is configured with a photosensitive module, the monitoring and evidence obtaining host is configured to send a corresponding control signal to the control box according to a light detection signal output by the photosensitive module, and the control box controls the lamp assembly to work according to the control signal.
The second purpose of the invention is to provide a method for obtaining evidence, which has the characteristics of comprehensive evidence obtaining, good operability and the like.
In order to achieve the purpose, the invention provides the following technical scheme:
a forensics method based on the scheme comprises the following steps:
the in-vehicle display control equipment sends a evidence obtaining mode instruction to the monitoring evidence obtaining host;
the monitoring evidence obtaining host computer enters a corresponding evidence obtaining mode based on the received evidence obtaining mode instruction so as to respectively start the front camera, the rear camera, the front speed measuring module and the rear speed measuring module and carry out function distribution;
the monitoring evidence obtaining host receives monitoring data from the front camera, the rear camera, the front speed measuring module and the rear speed measuring module to perform corresponding analysis processing under different evidence obtaining modes, and generates corresponding evidence obtaining data;
the monitoring and evidence obtaining host machine also sends the monitoring data to the in-vehicle display control equipment, and the in-vehicle display control equipment displays the monitoring data.
Preferably, the forensics mode includes:
in the snapshot mode, a front camera and a rear camera are started to monitor vehicles on an emergency lane and a speedway so as to determine whether a large yellow-brand vehicle occupies the speedway for a long time or whether a vehicle runs on the emergency lane, and if so, corresponding evidence obtaining records are carried out;
in the monitoring mode, the front camera and the rear camera recognize license plates of vehicles on the road, compare the recognized license plates with target license plates in a distributed control vehicle database, and if the comparison is successful, send prompt information to in-vehicle display control equipment to remind a user of finding the distributed control vehicle;
and a speed measuring mode, wherein in the speed measuring mode, a front speed measuring module, a rear speed measuring module, a front camera and a rear camera are started to respectively monitor the vehicles on the emergency lane and monitor the speed of a plurality of target vehicles on the traffic lane so as to determine whether the vehicles occupy the emergency lane or whether the vehicles on the traffic lane are overspeed or not, and if so, corresponding evidence obtaining records are carried out.
Preferably, the monitoring and forensics host is further configured to control the action of the driving component by detecting the steering of the police car.
Preferably, the monitoring forensics host sends the forensics data to a remote server.
Compared with the prior art, the invention has the advantages that:
1. by installing the evidence obtaining system on a police car, all illegal evidence obtaining and data uploading and importing processes can be automatically completed, manpower and material resources are saved, and the traffic supervision cost is greatly reduced.
2. Through license plate and lane video analysis technique, can be quick carry out omnidirectional control and collect evidence, judge whether the target vehicle breaks rules and regulations automatically, the automation level is higher, is difficult for appearing omitting.
3. Adopt the multi-target radar, carry out static or developments to speeding vehicle around cruiser and test the speed, can fix a position and test the speed to many vehicles simultaneously, improved the efficiency of collecting evidence, also avoided traditional radar that tests the speed under the great condition of flow, the problem that the effective rate of collecting evidence is lower than normal that tests the speed for it is more accurate effective to collect evidence.
4. The adaptability is strong, and the method can adapt to various complex road designs.
5. The integrated level is high, and roof monitoring evidence obtaining equipment is all installed in long range warning light, has avoided the split type system roof equipment fixing degree of difficulty of conventionality big, and problem such as installation space requirement height.
Drawings
FIG. 1 is a topological diagram of a novel on-board enforcement forensics system in an embodiment;
FIG. 2 is an overall configuration diagram of the forensic apparatus according to the embodiment;
FIG. 3 is a view showing an internal structure of the forensic apparatus according to the embodiment;
FIG. 4 is a block diagram of the bottom of the forensic device of an embodiment;
FIG. 5 is a schematic structural diagram of an exemplary embodiment of a power mechanism, a front monitoring module, a rear monitoring module, and an adjusting assembly;
FIG. 6 is a schematic diagram of the power mechanism and adjustment assembly in an implementation;
FIG. 7 is a schematic diagram of a front vehicle snapshot in practice;
FIG. 8 is a schematic diagram of a vehicle rear snapshot in an embodiment;
FIG. 9 is a schematic view of the front speed measurement of the vehicle in the embodiment;
FIG. 10 is a schematic diagram of rear speed measurement of the vehicle in the embodiment;
FIG. 11 is a schematic illustration of an embodiment of a vehicle front monitoring;
FIG. 12 is a schematic view of the rear monitoring of the vehicle in the embodiment;
FIG. 13 is a schematic diagram of panoramic monitoring in an embodiment;
FIG. 14 is a flowchart of forensics in an example.
The attached drawings are marked as follows: 1. a housing; 2. a lamp assembly; 3. a control box; 4. monitoring a evidence obtaining host; 5. a stepping motor; 6. a speed reducer; 7. a gear; 8. a rotary encoder; 9. a rack; 91. clamping a shaft; 10. a slide rail; 11. a horizontal adjusting frame; 12. a vertical adjusting bracket; 13. a rotating shaft; 14. an annular boss; 15. a lower deep groove ball bearing; 16. a lower pressure ring; 17. a lower seal ring; 18. a deflection arm; 181. a through groove; 19. a shaft sleeve; 20. an upper deep groove ball bearing; 21. pressing a ring; 22. an upper sealing ring; 23. a limit switch; 24. a top block; 25. monitoring the holder; 26. a panoramic camera; 27. a front camera; 28. a front shield; 29. a front speed measurement radar; 30. a rear camera; 31. a rear shield; 32. a rear speed measurement radar; 33. a bracket; 34. a junction box; 35. a front monitoring module; 36. a rear monitoring module; 37. and (4) opening.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
Referring to fig. 1, a novel vehicle-mounted law enforcement evidence obtaining system comprises an external monitoring evidence obtaining device and an internal display control device. The external monitoring evidence obtaining equipment and the internal display control equipment are powered by a special power supply module, and the power supply control module is arranged in the long exhaust warning lamp and provides a stable and non-interference pure power supply for the system through processing the automobile power supply.
Referring to fig. 2 to 4, a main body of the novel vehicle-mounted evidence obtaining device is a long-range warning lamp, and the long-range warning lamp comprises a shell 1; a monitoring head 25 and a speaker (not shown in the figure) are mounted on the top of the housing 1.
The shell 1 is divided into a left part, a middle part and a right part, a plurality of lamp assemblies 2 are arranged on the periphery of the left part and the right part of the shell 1, each lamp assembly 2 comprises two parts, namely an alarm lamp and an illuminating lamp which are arranged up and down respectively, a control box 3 for driving the alarm lamp, the illuminating lamp and a loudspeaker is arranged on the left part of the shell 1, and a loudspeaker driving circuit and a light driving circuit are arranged in the control box 3; the monitoring host computer of collecting evidence 4 is installed to the right part of casing 1, and control box 3 is connected with monitoring host computer of collecting evidence 4 electricity to receive corresponding control signal from monitoring host computer of collecting evidence 4, with control warning light, light and speaker work.
A plurality of panoramic cameras 26 are further mounted on the housing 1, and in this embodiment, the number of the panoramic cameras 26 is preferably four, and the panoramic cameras are respectively mounted at four opposite corners of the housing 1. Therefore, the police officer can perform panoramic monitoring on the live condition around the police car according to the pictures shot by the four panoramic cameras 26.
The bottom of the shell 1 is provided with an adapter box 34 and a bracket 33; the adapter box 34 is used for connecting the control box 3 and the monitoring and evidence obtaining host 4, and the bracket 33 is used for being installed on the top of the police car.
Referring to fig. 3, 5 and 6, the front and rear side walls of the middle portion of the housing 1 are recessed and provided with an opening 37. A driving assembly is arranged in the cover body, and the driving assembly comprises a cover body, a stepping motor 5 positioned in the cover body, a speed reducer 6 in transmission connection with the stepping motor 5, a gear 7 and a rotary encoder 8 which are sequentially arranged on an output shaft of the speed reducer 6, a sliding rail 10 which is positioned below the gear 7 and is vertical to the axial direction of the gear 7, a rack 9 which is arranged on the sliding rail 10 in a sliding way and is meshed with the gear 7, and two rotating shafts 13 which are positioned on the same side of the rack 9 and are symmetrically arranged; an annular boss 14 is arranged in the middle of the rotating shaft 13, a lower deep groove ball bearing 15, a lower pressing ring 16 and a lower sealing ring 17 are sequentially arranged below the annular boss 14, and a rotating arm, a shaft sleeve 19, an upper deep groove ball bearing 20, an upper pressing ring 21 and an upper sealing ring 22 are sequentially arranged above the annular boss 14; the upper sealing ring 22 and the lower sealing ring 17 are respectively abutted against the inner wall of the cover body; the other end of the rotating arm is provided with a through groove 181, and the left and right ends of the rack 9 are respectively provided with a clamping shaft 91 extending into the through groove 181 of the corresponding rotating arm;
the two adjusting components are respectively positioned at the front side and the rear side of the cover body and comprise a horizontal adjusting frame 11 and a vertical adjusting frame 12, the horizontal adjusting frame 11 is U-shaped, the inner side of the opening end of the horizontal adjusting frame is clamped at the upper side and the lower side of the cover body and is respectively detachably connected with the upper end and the lower end of a rotating shaft 13 at the same side; the other end extends out of the shell 1 and is vertically and rotatably connected with a vertical adjusting frame 12.
The two vertical adjusting frames 12 are respectively provided with a front monitoring module 35 and a rear monitoring module 36, the front monitoring module 35 comprises a front shield 28, a front camera 27 and a front speed measuring radar 29, and the front speed measuring radar 29 adopts a multi-target radar; the rear monitoring module 36 comprises a rear shield 31, a rear camera 30 and a rear speed measuring radar 32, wherein the rear speed measuring radar 32 adopts a narrow-wave flat panel radar.
Therefore, when the stepping motor 5 rotates, the gear 7 is driven to rotate through the speed reducer 6, and the rack 9 can slide left/right along the slide rail 10; the rack 9 drives two deflection arms 18 to rotate through the clamping shafts 91 at the two ends of the rack respectively when sliding, and the deflection arms 18 are pressed on the annular boss 14 of the rotating shaft 13 through the shaft sleeve 19, so that the deflection arms 18 can drive the rotating shaft 13 to rotate, the horizontal adjusting frame 11 also rotates accordingly, and finally the horizontal rotation adjustment of the front monitoring module 35 and the rear monitoring module 36 is realized. In addition, the vertical adjusting bracket 12 can be manually operated to adjust the vertical deflection angle of the front monitoring module 35 and the rear monitoring module 36.
In addition, a limit switch 23 is further installed on one side of the rotating shaft 13, the limit switch 23 is electrically connected with the monitoring evidence obtaining host 4, and a top block 24 which can be touched with a contact of the limit switch 23 in the rotating process of the rotating shaft 13 is fixed on the rotating shaft 13. The limit switch 23 is electrically connected with the monitoring evidence obtaining host 4. In this way, the limit switch 23 limits the deflection angle of the rotating shaft 13, and the situation of excessive deflection is avoided.
In this embodiment, the front camera 27 and the front speed measuring radar 29 are used for monitoring the vehicle in front of the police car and sending the monitoring data to the monitoring and evidence obtaining host 4; the rear camera 30 and the rear speed measuring radar 32 are used for monitoring the vehicle behind the police car and sending monitoring data to the monitoring evidence obtaining host 4; the panoramic camera 26 and the monitoring pan-tilt 25 are used for taking pictures and video recording of vehicles around the police car in real time and sending data to the monitoring evidence obtaining host 4.
In the embodiment, the monitoring and evidence obtaining host 4 is configured with a BD/GPS positioning module, a 3G/4G communication module, a Wi-Fi communication module and a photosensitive module; the monitoring and evidence obtaining host 4 establishes a patrol road section line map through a BD/GPS positioning module, and provides timely and accurate place information for evidence obtaining snapshot data according to the position and the driving direction of a detected vehicle; and carrying out bidirectional data transmission with a remote server through various communication modules.
The photosensitive module comprises light sensor, and when police car was in the darker environment of light, photosensitive module sent corresponding detected signal to monitoring host computer 4 of collecting evidence, and monitoring host computer 4 of collecting evidence sends corresponding control signal to control box 3 after receiving detected signal, and control box 3 receives control signal back, and the light work in the drive lamps and lanterns subassembly 2 to guarantee the definition of the image of collecting evidence.
The monitoring evidence obtaining host 4 integrates software modules such as license plate recognition, vehicle characteristic recognition, lane recognition, speed measurement, a black car database, video and audio data wireless transmission and the like, can comprehensively process, analyze and archive the obtained evidence obtaining data, and is in two-way contact with a command data center, so that an efficient information intercommunication function is provided.
When the computer is started, the monitoring and evidence obtaining host 4 is configured to detect the operation conditions of each component when the computer is started, and when a fault is detected, report and record the fault, remind a fault point, and generate a corresponding log record.
The in-vehicle display control equipment comprises a liquid crystal display unit, a touch control screen, a microprocessor, a backlight key and a data communication module; the liquid crystal display unit, the touch control screen, the backlight key and the data communication module are all electrically connected with the microprocessor.
The microprocessor comprises a mode switching unit and a display switching unit; the mode switching unit is configured to generate a corresponding evidence obtaining mode instruction according to a key instruction input by the backlight key, and send the evidence obtaining mode instruction to the monitoring evidence obtaining host 4 through the data communication module; the monitoring and forensics host 4 controls the front camera 27, the rear camera 30, the front speed measuring radar 29 and the rear speed measuring radar 32 to work respectively in response to the forensics mode instruction. In this embodiment, the forensic modes are divided into 3 types, specifically as follows:
1. snapshot mode (pressing snap mode key)
(1) Forward snapshot: the front camera 27 takes a snapshot of the emergency lane, and the rear camera 30 takes a snapshot of the express lane (see fig. 7);
(2) and backward snapshot: the rear camera 30 takes a snapshot of the emergency lane, and the front camera 27 takes a snapshot of the express lane (see fig. 8);
(3) and in the snapshot mode, 1-5 photos are manually snapshot by double clicking the monitoring picture of the corresponding camera.
2. Speed measuring mode (pressing speed measuring mode key)
(1) And forward speed measurement: the front camera 27 carries out speed measurement snapshot in the same direction, and the rear camera 30 carries out snapshot of an emergency lane (refer to fig. 9);
(2) and backward speed measurement: the rear camera 30 carries out reverse speed measurement snapshot, and the front camera 27 carries out snapshot of an emergency lane (refer to fig. 10);
(3) and in the speed measuring mode, 1-5 photos are manually captured by double clicking the monitoring picture of the corresponding camera.
3. Monitoring mode (pressing monitoring mode key)
The front camera 27 and the rear camera 30 perform front and rear monitoring snapshot (snapshot), monitor both sides which cannot be covered, and provide auxiliary images by the left and right cameras (see fig. 13), so as to achieve the purpose of omnibearing monitoring (see fig. 11 and 12).
(1) Monitoring the front and the rear:
all vehicles of the emergency lane are captured (illegal behaviors such as illegal parking, getting on and off, backing and the like); taking a snapshot of all yellow-brand vehicles which run against regulations on a express way (overtaking) road; all vehicles riding the line are captured. And identifying license plates of all vehicles, comparing the license plates with information of a black garage, and giving an alarm prompt after the vehicles are distributed and controlled.
(2) In the monitoring mode, a pre-image recording function is synchronously started to record the illegal behavior process of the vehicle during vehicle snapshot;
(3) and in the monitoring mode, 1-5 photos are manually captured by double clicking the monitoring picture of the corresponding camera.
In addition, the monitoring and evidence obtaining host 4 is also provided with an electronic compass, and further detects whether the police car turns or not through the electronic compass, if the police car is in a curve, the front camera 27, the rear camera 30, the front speed measuring radar 29 and the rear speed measuring radar 32 are controlled in different modes; for example, when monitoring the front, if the police car turns left, the front camera 27 and the front speed measuring radar 29 are controlled to turn left, and if the police car turns right, the front camera 27 and the front speed measuring radar 29 are controlled to turn right; when monitoring the rear, if the police car turns left, the rear camera 30 and the rear speed measuring radar 32 are controlled to turn right, and if the police car turns right, the rear camera 30 and the rear speed measuring radar 32 are controlled to turn left.
In this embodiment, the forensic process refers to fig. 14, the first step is to perform video monitoring, perform target detection, identification and tracking on the lane line and the vehicle entering the detection area, and the second step is to determine the traffic violation behavior on the monitoring forensic host 4 according to the type of the lane where the current target is located and the relevant parameters returned by other devices such as radar; and finally, capturing the target according to the judgment result to obtain evidence, generating the vehicle characteristics and the relevant information of other violation behaviors, and finishing evidence chain storage. After the pictures are captured, the monitoring evidence obtaining host 4 generates corresponding case information according to the case information, and when the case information is generated, the monitoring evidence obtaining host 4 automatically superimposes detailed capturing information such as time (accurate to millisecond), place information, license plate numbers, license plate colors, vehicle colors, illegal behavior types, capturing equipment numbers and the like on blank areas reserved at the edges of each picture.
The monitoring and evidence obtaining host 4 sends all locally stored data to a remote server through a 3G/4G communication module, and managers can manage, retrieve and display cases through a special management system or a webpage.
Claims (9)
1. A vehicle-mounted evidence obtaining system is characterized by comprising an external monitoring evidence obtaining device and an internal display control device; wherein,
the vehicle exterior monitoring evidence obtaining equipment comprises a front speed measuring module, a rear speed measuring module, a front camera (27), a rear camera (30) and a monitoring evidence obtaining host (4); the front camera (27), the rear camera (30), the front speed measuring module and the rear speed measuring module are all electrically connected with the monitoring evidence obtaining host (4);
the in-vehicle display control device is configured to receive and display monitoring data from the monitoring and forensics host (4) and send corresponding forensics mode instructions to the monitoring and forensics host (4);
the monitoring forensics host (4) is configured to respond to a forensics mode instruction sent by the in-vehicle display control equipment and enter a corresponding forensics mode so as to respectively start the front camera (27), the rear camera (30), the front speed measuring module and the rear speed measuring module and perform function distribution; under different evidence obtaining modes, corresponding analysis processing is carried out on monitoring data received from the front camera (27), the rear camera (30), the front speed measuring module and the rear speed measuring module, and corresponding evidence obtaining data is generated; sending the monitoring data to the in-vehicle display control equipment;
the vehicle exterior monitoring and evidence obtaining equipment also comprises a long-range warning lamp, wherein the long-range warning lamp comprises a shell (1), a lamp component (2) arranged on the periphery of the shell (1), a loudspeaker arranged on the shell (1) and a control box (3) arranged in the shell (1); the lamp component (2) and the loudspeaker are electrically connected with the control box (3);
the monitoring evidence obtaining host (4) is arranged in the long-row warning lamp and is electrically connected with the control box (3); wherein the monitoring cloud deck (25) is arranged at the top of the shell (1);
the front side and the rear side of the shell (1) are respectively provided with a front shield (28) and a rear shield (31), the front camera (27) and the front speed measuring module are installed in the front shield (28), and the rear camera (30) and the rear speed measuring module are installed in the rear shield (31); the front shield (28) and the rear shield (31) are both mounted on the shell (1) through an adjusting component, and a driving component for driving the adjusting component to act is arranged in the middle of the interior of the shell (1); the driving assembly is electrically connected with the monitoring evidence obtaining host (4).
2. The vehicle-mounted evidence obtaining system according to claim 1, wherein the driving assembly comprises a cover body, a stepping motor (5) arranged in the cover body, a speed reducer (6) in transmission connection with the stepping motor (5), a gear (7) and a rotary encoder (8) which are sequentially arranged on an output shaft of the speed reducer (6), a slide rail (10) which is arranged below the gear (7) and is vertical to the axial direction of the gear (7), a rack (9) which is arranged on the slide rail (10) in a sliding manner and is meshed with the gear (7), and two rotating shafts (13) which are arranged on the same side of the rack (9) and are symmetrically arranged; an annular boss (14) is arranged in the middle of the rotating shaft (13), a lower deep groove ball bearing (15), a lower pressing ring (16) and a lower sealing ring (17) are sequentially arranged below the annular boss (14), and a rotating arm, a shaft sleeve (19), an upper deep groove ball bearing (20), an upper pressing ring (21) and an upper sealing ring (22) are sequentially arranged above the annular boss (14); the upper sealing ring (22) and the lower sealing ring (17) are respectively abutted against the inner wall of the cover body; a through groove (181) is formed in the other end of the rotating arm, and clamping shafts (91) extending into the through grooves (181) of the corresponding rotating arms are respectively arranged at the left end and the right end of the rack (9);
the two adjusting components are respectively positioned at the front side and the rear side of the cover body and comprise a horizontal adjusting frame (11) and a vertical adjusting frame (12), the horizontal adjusting frame (11) is U-shaped, the inner side of the opening end of the horizontal adjusting frame is clamped at the upper side and the lower side of the cover body and is respectively detachably connected with the upper end and the lower end of a rotating shaft (13) at the same side; the other end extends out of the shell (1) and is vertically and rotatably connected with the vertical adjusting frame (12); the two vertical adjusting frames (12) are respectively detachably connected with the corresponding front monitoring module (35) and the corresponding rear monitoring module (36).
3. The vehicle-mounted evidence obtaining system according to claim 1, wherein a plurality of panoramic cameras (26) are mounted on the housing (1), a monitoring cradle head (25) is mounted on the top of the housing (1), and the monitoring cradle head (25) and the plurality of panoramic cameras (26) are electrically connected with the monitoring evidence obtaining host (4).
4. The on-board forensic system of claim 1 in which the monitoring forensic host (4) is configured with a 3G/4G module, a WiFi module and a BD/GPS module, the monitoring forensic host (4) being configured to communicate with a remote server via the 3G/4G module to communicate with a handheld device via the WiFi module and to automatically correct system time and forensic location information based on satellite time and positioning information of the BD/GPS module.
5. The vehicle-mounted evidence obtaining system according to claim 1, wherein the monitoring evidence obtaining host (4) is configured with a photosensitive module, the monitoring evidence obtaining host (4) is configured to send a corresponding control signal to the control box (3) according to a light detection signal output by the photosensitive module, and the control box (3) controls the lamp assembly (2) to work according to the control signal.
6. A forensic method based on the on-vehicle forensic system of claim 1, comprising:
the in-vehicle display control equipment sends a evidence obtaining mode instruction to the monitoring evidence obtaining host (4);
the monitoring forensics host (4) enters a corresponding forensics mode based on a received forensics mode instruction so as to respectively start the front camera (27), the rear camera (30), the front speed measuring module and the rear speed measuring module and carry out function distribution;
the monitoring and evidence obtaining host (4) receives monitoring data from the front camera (27), the rear camera (30), the front speed measuring module and the rear speed measuring module to perform corresponding analysis processing under different evidence obtaining modes, and generates corresponding evidence obtaining data;
the monitoring and evidence obtaining host (4) also sends the monitoring data to the in-vehicle display control equipment, and the in-vehicle display control equipment displays the monitoring data.
7. The forensics method according to claim 6, wherein the forensics mode includes:
a snapshot mode, wherein in the snapshot mode, a front camera (27) and a rear camera (30) are started to monitor vehicles on an emergency lane and a speedway so as to determine whether a large yellow-brand vehicle occupies the speedway for a long time or whether a vehicle runs on the emergency lane, and if so, corresponding evidence obtaining records are carried out;
in the monitoring mode, a front camera (27) and a rear camera (30) carry out license plate recognition on vehicles on a road, the recognized license plate numbers are compared with target license plate numbers in a distributed control vehicle database, and if the comparison is successful, prompt information is sent to in-vehicle display control equipment to remind a user of finding the distributed control vehicle;
and a speed measuring mode, wherein a front speed measuring module, a rear speed measuring module, a front camera (27) and a rear camera (30) are started to respectively monitor the vehicles on the emergency lane and monitor the speed of a plurality of target vehicles on the lane so as to determine whether the vehicles occupy the emergency lane or whether the vehicles on the lane are overspeed, and if so, corresponding evidence obtaining records are carried out.
8. The forensics method according to claim 6, wherein the monitoring forensics host (4) is further configured to control the actuation of the drive assembly by detecting the steering of the police car.
9. The forensics method according to claim 6, wherein the monitoring forensics host (4) transmits forensics data to a remote server.
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