CN218446964U - Portable roadside laser vehicle detection device - Google Patents
Portable roadside laser vehicle detection device Download PDFInfo
- Publication number
- CN218446964U CN218446964U CN202222658868.3U CN202222658868U CN218446964U CN 218446964 U CN218446964 U CN 218446964U CN 202222658868 U CN202222658868 U CN 202222658868U CN 218446964 U CN218446964 U CN 218446964U
- Authority
- CN
- China
- Prior art keywords
- plate
- fixing hole
- laser
- vehicle detection
- detection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The utility model provides a portable trackside laser vehicle detection device, include: the shell is in a hollow cuboid shape and comprises a front plate, a first side plate, a rear plate, a second side plate, an upper plate and a lower plate, wherein the front plate, the first side plate, the rear plate and the second side plate are sequentially connected with one another, the upper plate and the lower plate are vertically arranged with the front plate and the first side plate, the front plate is provided with a first fixing hole and a fourth fixing hole, the first fixing hole and the fourth fixing hole are symmetrically arranged, and the center of the rear plate is provided with an opening; the first laser sensor and the second laser sensor are fixedly arranged in the shell, the first laser sensor is aligned to the first fixing hole, and the second laser sensor is aligned to the fourth fixing hole; the adjusting plate is fixedly arranged on the first side plate and the second side plate respectively, the adjusting plate is arranged close to one end of the lower plate, a threaded hole is formed in the adjusting plate, an adjusting bolt is arranged in the threaded hole, and a foot pad is arranged at the end of the adjusting bolt. The portable laser ranging device is convenient to carry, free of influence of weather and light by using a laser ranging principle, free of traffic interruption, free of damage to a road surface and convenient to maintain.
Description
Technical Field
The utility model relates to a categorised technical field of motorcycle type especially relates to a portable trackside laser vehicle detection device.
Background
The roadside vehicle detection device is mainly used for detecting the vehicle flow information of the motor vehicles on the road traffic section. The roadside vehicle detection device adopts various sensors to complete vehicle classification, vehicle speed, flow statistics and wheelbase on a traffic section, and according to the national people's republic of China traffic and transportation industry standard, part 2 of road traffic condition investigation equipment: communication protocol (JTT 1008.2-2015). Pdf, the standard specifies the collection and analysis work for calculating the following percentage, the head distance, the lane occupancy and other information.
At present, sensors selected by roadside vehicle detection devices are mostly ground induction coils, piezoelectricity, ultrasonic waves, microwaves, videos and the like. When the ground sensing coil and the piezoelectric sensor are installed, traffic needs to be interrupted, the road surface is cut, the damage to the road surface is large, and the road surface is easy to damage after long-time rolling of a vehicle; the ultrasonic sensor has low signal transmission speed, is easy to be interfered and has low detection precision; the microwave equipment cannot detect slow and static vehicles, the distance detection precision is low, and the vehicle parting precision is not high; the video sensor is greatly influenced by light rays, and the detection precision of weather at night and in rainy and snowy days is low. Meanwhile, the traditional roadside vehicle detection device is large in size, heavy in weight, high in requirement on installation mode and inconvenient to carry.
Therefore, it is necessary to develop a portable roadside laser vehicle detection device which is small in size, light in weight, convenient to carry, free from the influence of weather and light by using a laser ranging principle, free from traffic interruption and damage to the road surface, and convenient to maintain.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art or the correlation technique.
In view of this, the utility model provides a portable roadside laser vehicle detection device, roadside laser vehicle detection device includes:
the shell is in a hollow cuboid shape and comprises a front plate, a first side plate, a rear plate and a second side plate which are sequentially connected, and an upper plate and a lower plate which are vertically arranged with the front plate and the first side plate, wherein the front plate is provided with a first fixing hole and a fourth fixing hole which are symmetrically arranged, and the center of the rear plate is provided with an opening;
the first laser sensor and the second laser sensor are fixedly arranged in the shell, the first laser sensor is aligned with the first fixing hole, and the second laser sensor is aligned with the fourth fixing hole;
the adjusting plate is fixedly arranged on the first side plate and the second side plate respectively, the adjusting plate is close to one end of the lower plate, a threaded hole is formed in the adjusting plate, an adjusting bolt is arranged in the threaded hole, and a foot pad is arranged at the end of the adjusting bolt.
Furthermore, a second fixing hole and a third fixing hole are further formed in the front plate, the second fixing hole is close to the first fixing hole, the third fixing hole is close to the fourth fixing hole, and the second fixing hole and the third fixing hole are symmetrically arranged.
Further, the roadside laser vehicle detection device further includes:
the first visible laser probe is fixedly arranged in the shell and is aligned with the second fixing hole;
the second visible laser probe is fixedly arranged in the shell and is aligned to the third fixing hole.
Further, the roadside laser vehicle detection device further includes:
a battery receiving case located at a center of the housing, the battery receiving case being aligned with the opening;
the power supply drawing box body is positioned in the battery accommodating box, and a battery is arranged in the power supply drawing box body;
and the box door covers the power supply drawing box body, and the box door is detachably connected with the rear plate.
Further, the roadside laser vehicle detection device further includes:
the circuit board is located on the battery holds the box, the circuit board with the battery electricity is connected, the circuit board still with first laser sensor the second laser sensor first visual laser probe with the visual laser probe electricity of second is connected, the welding has bluetooth module and wireless communication GPRS module on the circuit board, the antenna of wireless communication GPRS module pierces through the second curb plate.
Further, the roadside laser vehicle detection device further includes:
the frame is enclosed to the handle, and is a pair of the frame is enclosed to the handle set up respectively in first curb plate with on the second curb plate, the handle encloses the one end setting that the frame is close to the upper plate.
The utility model provides a technical scheme can include following beneficial effect:
two ranging laser sensors are adopted to emit two beams of parallel light to the front, the two beams of laser respectively carry out high-frequency transverse scanning on the wheel part position of a vehicle passing through the front and the roadside laser vehicle detection device in parallel, and whether the vehicle passes through can be judged according to the scanned distance value; recording the time difference of the first wheel reaching the first laser sensor and the second laser sensor, and calculating the speed of the vehicle due to the fixed distance between the two laser sensors; and recording the time difference of two wheels reaching the same laser sensor, calculating the wheel base between the two wheels by using the calculated speed, and achieving the purpose of vehicle classification according to the number of the wheels and the wheel base.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 shows an internal schematic view of a portable roadside laser vehicle detection apparatus according to the present invention;
FIG. 2 shows a first external schematic view of a portable roadside laser vehicle detection device in accordance with the present invention;
fig. 3 shows a second external schematic view of a portable roadside laser vehicle detection unit according to the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
the portable solar cell module comprises a first fixing hole 1, a second fixing hole 2, an upper plate 3, a third fixing hole 4, a fourth fixing hole 5, a front plate 6, a handle enclosing frame 7, an adjusting bolt 8, a foot pad 9, a box door 10, a power drawing box body 11, a circuit board 12, a second laser sensor 13, a second visible laser probe 14, a first visible laser probe 15, a first laser sensor 16, a first side plate 17, a second side plate 18, a rear plate 19 and an adjusting plate 20.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Examples
FIG. 1 shows an internal schematic view of a portable roadside laser vehicle detection device according to the present invention; fig. 2 shows a first external schematic view of a portable roadside laser vehicle detection device according to the present invention.
As shown in fig. 1 and 2, the present embodiment provides a portable roadside laser vehicle detection apparatus including:
the shell is in a hollow cuboid shape and comprises a front plate 6, a first side plate 17, a rear plate 19 and a second side plate 18 which are sequentially connected, and an upper plate 3 and a lower plate which are vertically arranged with the front plate 6 and the first side plate 17, wherein the front plate 6 is provided with a first fixing hole 1 and a fourth fixing hole 5, the first fixing hole 1 and the fourth fixing hole 5 are symmetrically arranged, and the center of the rear plate 19 is provided with an opening;
the first laser sensor 16 and the second laser sensor 13 are fixedly arranged in the shell, the first laser sensor 16 is aligned to the first fixing hole 1, and the second laser sensor 13 is aligned to the fourth fixing hole 5;
the adjusting plate 20 and the pair of adjusting plates 20 are respectively and fixedly arranged on the first side plate 17 and the second side plate 18, the adjusting plate 20 is arranged close to one end of the lower plate, a threaded hole is formed in the adjusting plate 20, an adjusting bolt 8 is arranged in the threaded hole, and a foot pad 9 is arranged at the end part of the adjusting bolt 8.
Two ranging laser sensors are adopted to emit two beams of parallel light to the front, the two beams of laser respectively carry out high-frequency transverse scanning on the wheel part position of a vehicle passing through the front and the roadside laser vehicle detection device in parallel, and whether the vehicle passes through can be judged according to the scanned distance value; recording the time difference of the first wheel reaching the first laser sensor 16 and the second laser sensor 13, and calculating the vehicle speed due to the fixed distance between the two laser sensors; and recording the time difference of two wheels reaching the same laser sensor, calculating the wheel base between the two wheels by using the calculated speed, and achieving the purpose of vehicle parting according to the number of the wheels and the wheel base.
Specifically, the distance L =50CM between the first laser sensor 16 and the second laser sensor 13 is a known value, when the vehicle runs to the roadside laser vehicle detection device, when the first wheel passes through the detection area of the first laser sensor 16, the time t1 at the moment is recorded, the vehicle continues to run forwards, when the first wheel passes through the detection area of the second laser sensor 13, the time at the moment is recorded as t2, the use time of the wheel running distance L is (t 2-t 1), and the vehicle running speed v = L/(t 2-t 1); meanwhile, the time when the second wheel reaches the first laser sensor 16 is recorded as t3, the wheel base of the two wheels is set as L1, the time used by the driving distance L1 when the driving speed of the vehicle is v is (t 3-t 1), the wheel base of the first wheel and the second wheel is calculated as L1= v (t 3-t 1), and the wheel base of the other adjacent wheels is calculated by the same method.
The roadside laser vehicle detection device mainly determines the lane position of the vehicle according to the detected distance value (the lane position is obtained according to the distance between the vehicle and the laser sensor), records the arrival time point of the wheel at the moment when the laser sensor is shielded, and completes the calculation functions of information such as vehicle counting, vehicle speed, wheel base and typing through a processing chip of the circuit board.
The vehicle separation is carried out by a method of calculating the wheel base of adjacent wheels, a certain distance must exist between the two vehicles, the distance between the front wheel of the rear vehicle and the rear wheel of the front vehicle is beyond the normal range of the wheel base, the vehicle separation can be carried out, and the vehicle counting precision is ensured; and (4) according to the calculated number of axles and the calculated axle distance, carrying out vehicle classification, wherein 3-axle to 6-axle vehicles are large cargos and extra large cargos, and 2-axle vehicles judge small passengers, small cargos, medium cargos or large passengers according to the axle distance. The vehicle type judgment is carried out according to the wheel base of the actual vehicle type.
It should be noted that, by providing the adjusting bolts 8 on the adjusting plate 20, when the road side ground is uneven, the emitting angles of the first laser sensor 16 and the second laser sensor 13 are kept parallel to the ground by adjusting the adjusting bolts 8 at the four corners, thereby improving the measurement accuracy.
Further, still be equipped with second fixed orifices 2 and third fixed orifices 4 on the front bezel 6, second fixed orifices 2 is close to first fixed orifices 1 and sets up, and third fixed orifices 4 is close to fourth fixed orifices 5 and sets up, and second fixed orifices 2 and 4 symmetry settings of third fixed orifices.
Wherein, roadside laser vehicle detection device still includes:
the first visible laser probe 15 is fixedly arranged in the shell, and the first visible laser probe 15 is aligned with the second fixing hole 2;
and the second visible laser probe 14 is fixedly arranged in the shell, and the second visible laser probe 14 is aligned with the third fixing hole 4.
It should be noted that, according to the arrangement of the first visible laser probe 15 and the second visible laser probe 14, it can be verified whether the light beams emitted by the two laser sensors are parallel to the ground, specifically, whether the heights of the light beams emitted by the first visible laser probe 15 and the second visible laser probe 14 are consistent or not is compared, and the height consistency indicates that the light beams of the laser sensors are parallel to the ground, otherwise, the adjusting bolt 8 needs to be continuously adjusted until the heights of the light beams emitted by the two visible laser probes are consistent.
The road side laser vehicle detection device comprises a road side laser vehicle detection device, a first visible laser probe 15, a second visible laser probe 14, a plurality of laser sensors, a plurality of strip-shaped panels, a plurality of horizontal scale lines and a plurality of horizontal scale lines, wherein the strip-shaped panels are arranged in parallel at a position 1m away from the front of the road side laser vehicle detection device, are perpendicular to the ground and are parallel to the road side laser vehicle detection device, light spots emitted by the first visible laser probe 15 and the second visible laser probe 14 can be observed on the strip-shaped panels (the two laser sensors are positioned at two sides of the two visible laser probes, so that the scanning of the two laser sensors on wheels cannot be influenced), and if the light spots are positioned on the same horizontal line, the heights are consistent; if the two visible laser probes are not on the same horizontal line, the height of the adjusting bolt 8 needs to be adjusted until the heights of the light beams emitted by the two visible laser probes are consistent.
Fig. 3 shows a second external schematic view of a portable roadside laser vehicle detection unit according to the present invention.
As shown in fig. 3, the roadside laser vehicle detection apparatus further includes:
a battery receiving case positioned at the center of the housing, the battery receiving case being aligned with the opening;
the power supply drawing box body 11 is positioned in the battery accommodating box, and a battery is arranged in the power supply drawing box body 11;
and a door 10 covering the power drawer 11, wherein the door 10 is detachably coupled to the rear plate 19.
It should be noted that, the battery is stored in the power drawing box 11, and the power is directly supplied to the circuit board 12, so that the roadside laser vehicle detection device can be used without external power supply in a use field, and the original battery can be conveniently taken out by adopting the drawing design, so that the battery replacement is performed, and the operation time of the device is prolonged. In this embodiment, the door 10 and the rear plate 19 are detachably connected by a door lock, or may be connected by a bolt, so that the battery can be replaced by opening the door 10 and pulling out the power drawer 11 when the battery is dead.
The input end of the battery is connected with 220V mains supply for charging, and the output end of the battery is electrically connected with the circuit board 12 and mainly supplies power for the circuit board 12.
Further, the roadside laser vehicle detection device further includes:
the circuit board 12 is located the battery and holds the box, and circuit board 12 is connected with the battery electricity, and circuit board 12 still is connected with first laser sensor 16, second laser sensor 13, first visual laser probe 15 and the visual laser probe 14 electricity of second, and the welding has bluetooth module and wireless communication GPRS module on the circuit board 12, and the antenna of wireless communication GPRS module pierces through second curb plate 18.
It should be noted that, the battery supplies power to the circuit board 12, the circuit board 12 supplies power to the first laser sensor 16, the second laser sensor 13, the first visible laser probe 15 and the second visible laser probe 14, and receives the collected data of the first laser sensor 16 and the second laser sensor 13, the processing chip on the circuit board 12 completes vehicle counting, the calculation function of information such as vehicle speed, wheel base and parting is completed, and calculation data is obtained, the circuit board 12 is welded with a bluetooth module and a wireless communication GPRS module, wherein the bluetooth module is convenient for realizing communication connection with a mobile phone, the calculation data of the circuit board 12 is received and analyzed by using self-organized mobile phone APP software, the wireless communication GPRS module can wirelessly transmit the calculation data to a remote receiving center, and the calculation data is received and analyzed by the remote receiving center.
Further, the roadside laser vehicle detection device further includes:
the frame 7 is enclosed to the handle, and a pair of handle encloses the frame 7 and sets up respectively on first curb plate 17 and second curb plate 18, and the handle encloses the one end setting that the frame 7 is close to upper plate 3.
It should be noted that, the arrangement of the handle enclosing frame 7 is convenient for a worker to carry or remove the roadside laser vehicle detection device from a detection site, the shell of the whole roadside laser vehicle detection device is made of an aluminum alloy material, the weight of the shell is 2kg, all the components inside the shell are 2kg, the total weight is 4kg, the length of the shell is 75cm, the width of the shell is 18cm, the height of the shell is 17cm, the shell is designed in a miniaturized mode, the size is small, the weight is light, the carrying is convenient, the rechargeable battery and the wireless transmission function (realized through a bluetooth module or a wireless communication GPRS module) can be replaced, and the requirement on power supply and network of the use site is met.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (6)
1. A portable roadside laser vehicle detection device, characterized in that it comprises:
the shell is in a hollow cuboid shape and comprises a front plate, a first side plate, a rear plate and a second side plate which are sequentially connected, and an upper plate and a lower plate which are vertically arranged with the front plate and the first side plate, wherein the front plate is provided with a first fixing hole and a fourth fixing hole which are symmetrically arranged, and the center of the rear plate is provided with an opening;
the first laser sensor and the second laser sensor are fixedly arranged in the shell, the first laser sensor is aligned with the first fixing hole, and the second laser sensor is aligned with the fourth fixing hole;
the adjusting plate is fixedly arranged on the first side plate and the second side plate respectively, the adjusting plate is close to one end of the lower plate, a threaded hole is formed in the adjusting plate, an adjusting bolt is arranged in the threaded hole, and a foot pad is arranged at the end of the adjusting bolt.
2. The roadside laser vehicle detection device that is portable according to claim 1, wherein a second fixing hole and a third fixing hole are further disposed on the front plate, the second fixing hole is disposed near the first fixing hole, the third fixing hole is disposed near the fourth fixing hole, and the second fixing hole and the third fixing hole are symmetrically disposed.
3. The portable roadside laser vehicle detection unit of claim 2 further comprising:
the first visible laser probe is fixedly arranged in the shell and is aligned with the second fixing hole;
the second visible laser probe is fixedly arranged in the shell and is aligned to the third fixing hole.
4. The portable roadside laser vehicle detection device of claim 3 further comprising:
a battery receiving case located at the center of the housing, the battery receiving case being aligned with the opening;
the power supply drawing box body is positioned in the battery accommodating box, and a battery is arranged in the power supply drawing box body;
and the box door covers the power supply drawing box body, and is detachably connected with the rear plate.
5. The portable roadside laser vehicle detection unit of claim 4 further comprising:
the circuit board is located on the battery holds the box, the circuit board with the battery electricity is connected, the circuit board still with first laser sensor the second laser sensor first visual laser probe with the visual laser probe electricity of second is connected, the welding has bluetooth module and wireless communication GPRS module on the circuit board, the antenna of wireless communication GPRS module pierces through the second curb plate.
6. The portable roadside laser vehicle detection device of any one of claims 1 to 5, further comprising:
the frame is enclosed to the handle, and is a pair of the frame is enclosed to the handle set up respectively in first curb plate with on the second curb plate, the handle encloses the one end setting that the frame is close to the upper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222658868.3U CN218446964U (en) | 2022-10-10 | 2022-10-10 | Portable roadside laser vehicle detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222658868.3U CN218446964U (en) | 2022-10-10 | 2022-10-10 | Portable roadside laser vehicle detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218446964U true CN218446964U (en) | 2023-02-03 |
Family
ID=85085114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222658868.3U Active CN218446964U (en) | 2022-10-10 | 2022-10-10 | Portable roadside laser vehicle detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218446964U (en) |
-
2022
- 2022-10-10 CN CN202222658868.3U patent/CN218446964U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201666815U (en) | Integrated test system for automobile noise | |
| CN208273132U (en) | Vehicle cargo monitors system and vehicle cargo remote monitoring system | |
| CN203225009U (en) | Laser type traffic condition investigation system | |
| CN114113118B (en) | Rapid detection device and detection method for subway tunnel lining crack leakage water disease | |
| CN107697102A (en) | Information gathering, identification and the caution system of high-speed railway foreign body intrusion | |
| CN207199096U (en) | A kind of piezoelectric cable structure for carrying out hypervelocity overload monitoring at a high speed | |
| CN218446964U (en) | Portable roadside laser vehicle detection device | |
| CN208422101U (en) | A kind of high-speed road conditions detection device based on video | |
| CN205451515U (en) | Intelligence public transport vehicle monitored control system | |
| CN203311633U (en) | New type vehicle type recognition magnetoresistive sensor | |
| CN109859472B (en) | Vehicle driving roadblock sensing system and method, vehicle and road cooperative active safety system and method | |
| CN202563687U (en) | Bluetooth traffic detecting device | |
| CN209785261U (en) | roadside parking space detection indicating system | |
| CN216232290U (en) | Station section special line shunting operation auxiliary assembly based on machine vision | |
| CN115561829A (en) | Intelligent vehicle separation system and application method | |
| CN113155465B (en) | Portable subway traction motor bearing state detection device | |
| CN108550267A (en) | A kind of imbedded parking detector | |
| AU2020101785A4 (en) | Apparatus and method for obtaining location of wireless charging receiving coil based on mesh shape | |
| CN211256602U (en) | Device for detecting road flatness by using sensor | |
| CN210268864U (en) | Vehicle dynamic high-speed weighing system | |
| CN209443853U (en) | A kind of parking stall with self-help charging function | |
| CN214084274U (en) | Wireless wheel sensor | |
| CN205028353U (en) | Vehicle charge device based on contour recognition | |
| CN218180097U (en) | Overload and overrun detection device without stopping | |
| CN221529297U (en) | Geomagnetic induction parking confirmation device based on sensing technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |