CN110847087A - Intelligent barrier gate system - Google Patents
Intelligent barrier gate system Download PDFInfo
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- CN110847087A CN110847087A CN201911008025.5A CN201911008025A CN110847087A CN 110847087 A CN110847087 A CN 110847087A CN 201911008025 A CN201911008025 A CN 201911008025A CN 110847087 A CN110847087 A CN 110847087A
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- barrier gate
- laser radar
- gate body
- lidar
- rod
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- 230000004888 barrier function Effects 0.000 title claims abstract description 116
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 238000007689 inspection Methods 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000011897 real-time detection Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
- E01F13/06—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage by swinging into open position about a vertical or horizontal axis parallel to the road direction, i.e. swinging gates
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Traffic Control Systems (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The application relates to a vehicle banister field especially relates to intelligent banister system. The system comprises a barrier gate body, a barrier gate rod connected with the barrier gate body, a license plate recognition machine in information communication with the barrier gate body, and a laser radar vehicle detector, wherein the license plate recognition machine is used for recognizing a license plate and sending a recognition signal to the barrier gate body; the laser radar vehicle inspection device is provided with a detection area, when an object is in the detection area, the laser radar vehicle inspection device sends a signal to the barrier gate body, and the barrier gate body drives the barrier gate rod to be in a rising state; when no object is in the detection area, the laser radar vehicle detector sends a signal to the barrier gate body, and the barrier gate body drives the barrier gate rod to fall down; the barrier gate body is used for driving the barrier gate rod to move according to signals sent by the license plate recognition machine and the laser radar vehicle detector. The embodiment of the application adopts the laser radar car detector as the detector, detects whether an object exists under the barrier, realizes that the barrier is prevented pounding and is triggered, and has strong anti-interference capability and high accuracy.
Description
Technical Field
The invention relates to the field of vehicle barriers, in particular to an intelligent barrier system.
Background
The phenomenon that vehicles are smashed at the entrance and exit of a parking lot is common, and the smashing prevention function becomes a necessary function of a barrier. The current road gate anti-smashing scheme usually adopts a mode of combining two or three of a ground induction coil, infrared correlation and pressure electric waves. The ground sensing anti-smashing technology is mainly characterized in stability of a ground sensing coil, and signal crosstalk or failure can be caused if ground sensing is interfered. And the ground sense can only detect the vehicle, does not have the function of preventing people from being smashed, is easily interfered by rain, snow, metal and strong electricity, and is troublesome to overhaul. The infrared correlation smash-proof technology has the problems that the correlation range of infrared rays is small, the interference of rain and snow weather is easily caused, the influence of vibration is large, and the gratings on two sides cannot be focused easily. Pressure electric wave smash-proof technology: the pressure electric wave anti-smashing technology is mainly characterized in that a blocking return device is installed, when a barrier gate rod is in contact with a vehicle or a pedestrian in the descending operation process, a rubber strip under the barrier gate rod of the device is subjected to resistance, and the intelligent blocking return device immediately converts a rod falling state into a rod lifting state to lift the barrier gate and prevent the vehicle from smashing the pedestrian. The technology is limited by sensitivity, and the brake rod cannot bounce in time, so that pedestrians are possibly injured and vehicles are possibly damaged; when the sensitivity is too high, external interference (such as wind, human touch) and the like can cause the misjudgment. .
Therefore, an intelligent barrier gate system with strong anti-interference capability and high accuracy needs to be provided.
Disclosure of Invention
The embodiment of the application provides an intelligent barrier gate system, and solves the problems of poor anti-interference capability and easy misjudgment in the prior art.
To achieve the purpose, the embodiment of the invention adopts the following technical scheme:
on one hand, the intelligent barrier gate system comprises a barrier gate body, a barrier gate rod connected with the barrier gate body, a license plate recognition machine in information communication with the barrier gate body, and a laser radar vehicle detector,
the license plate recognition machine is used for recognizing license plates and sending recognition signals to the barrier gate body;
the laser radar vehicle inspection device is provided with a detection area, when an object is in the detection area, the laser radar vehicle inspection device sends a signal to the barrier gate body, and the barrier gate body drives the barrier gate rod to be in a lifting state; when no object is in the detection area, the laser radar vehicle detector sends a signal to the barrier gate body, and the barrier gate body drives the barrier gate rod to fall down;
the barrier gate body is used for driving the barrier gate rod to move according to signals sent by the license plate recognition machine and the laser radar vehicle detector.
In a possible implementation manner, the laser radar vehicle inspection device comprises a laser radar and a data processor, wherein the laser radar is used for detecting vehicles, and the data processor is used for converting laser radar ranging data into signals and sending the signals to the barrier gate body.
In a possible implementation manner, the laser radar is a single-point laser radar or an area array laser radar, and the number of the laser radars is one or two.
In a possible implementation manner, the two laser radars are respectively distributed on two sides of the barrier rod.
In a possible implementation mode, the horizontal included angle between the laser radar detection light axis direction and the traffic flow direction is 45-135 degrees, and the installation height is 30-100cm away from the ground.
In a possible implementation manner, the lidar vehicle inspection device further comprises an ultrasonic sensor, and the ultrasonic sensor is used for assisting in detecting the vehicle.
In a possible implementation manner, the data processor is used for converting the measurement data of the laser radar and the ultrasonic sensor into signals to be sent to the barrier gate body.
In a possible implementation mode, the data processor comprises a rotary multi-turn potentiometer for adjusting the judgment threshold value and the response time of the laser radar.
In a possible implementation mode, the laser radar vehicle detector can distinguish people from vehicles.
In a possible implementation manner, the laser radar vehicle inspection device further comprises a status indicator lamp, and the status indicator lamp is arranged on the laser radar vehicle inspection device.
The embodiment of the application adopts the laser radar car detector as the detector, detects whether an object exists under the barrier, realizes that the barrier is prevented pounding and is triggered, and has strong anti-interference capability and high accuracy.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the laser radar of the present application as a single unit.
Fig. 2 is a schematic diagram of two embodiments of the laser radar of the present application.
FIG. 3 is a schematic diagram of an embodiment of a lidar vehicle inspection device including an ultrasonic sensor.
FIG. 4 is a schematic diagram of the module connections of the lidar vehicle detector of FIG. 3.
In the figure: 1. a barrier gate body; 2. a barrier gate bar; 3. a license plate recognition machine; 4. a laser radar vehicle detector; 5. a detection area; 6. an object; 7. a laser radar; 8. a data processor; 9. an ultrasonic sensor; 51. detecting a region by an ultrasonic sensor; 52. and detecting the area by the laser radar.
Detailed Description
The technical scheme of the application is further explained by the specific implementation mode in combination with the attached drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.
As shown in figure 1, the intelligent barrier system comprises a barrier body 1, a barrier rod 2 connected with the barrier body 1, a license plate recognition machine 3 in information communication with the barrier body 1, and a laser radar vehicle detector 4,
the license plate recognition machine 3 is used for recognizing license plates and sending recognition signals to the barrier gate body 1;
the laser radar car detector 4 is provided with a detection area 5, when an object 6 is in the detection area 5, the laser radar car detector 4 sends a signal to the barrier gate body 1, and the barrier gate body 1 drives the barrier gate rod 2 to be in a lifting state; when no object 6 is in the detection area 5, the laser radar car detector 4 sends a signal to the barrier gate body 1, and the barrier gate body 1 drives the barrier gate rod 2 to fall down;
the barrier gate body 1 is used for driving the barrier gate rod 2 to move according to signals sent by the license plate recognition machine 3 and the laser radar vehicle detector 4.
When the intelligent barrier gate system works, when a vehicle approaches to a barrier gate inlet, the license plate recognition machine 3 recognizes a license plate, if the vehicle is recognized and the license plate is successfully recognized, a recognition result is sent to the barrier gate body 1, and the barrier gate body 1 drives the barrier gate rod 2 to rise; at the moment, the barrier gate rod 2 keeps a lifting state to wait for the vehicle to enter, after the vehicle passes through the detection area 5 of the laser radar vehicle detector 4, the laser radar vehicle detector 4 cannot detect the vehicle, namely, a rod falling signal is sent to the barrier gate body 1, the barrier gate body 1 controls the barrier gate rod 2 to fall down, and the function of automatically falling the rod is realized. In the falling process of the barrier gate rod 2, if an object 6 (a person or a vehicle) enters the detection area 5, the laser radar car detector 4 sends a rod lifting signal to the barrier gate body 1, the barrier gate body 1 controls the barrier gate rod 2 to lift up until the object 6 leaves the detection area 5, the laser radar car detector 4 sends a rod falling signal to the barrier gate body 1 again, and the barrier gate body 1 drives the barrier gate rod 2 to fall down; the function of preventing smashing is realized.
Laser radar car inspection device 4 include laser radar 7, data processor 8, laser radar 7 be used for surveying the vehicle, data processor 8 be used for converting laser radar range finding data into the signal and give the banister body.
The laser radar 7 is used for ranging the vehicle, and when no vehicle exists in the detection area, the detection distance is a fixed value. When a vehicle or an object is detected by the laser radar 7, the real-time detection distance is shortened, a detection area threshold value is preset in the laser radar 7, when the real-time detection distance is smaller than the detection area threshold value, namely the vehicle or the object 6 enters the detection area 5 of the laser radar 7, the laser radar 7 sends ranging data to the data processor 8, the data processor 8 converts the ranging data of the laser radar 7 into signals and sends the signals to the barrier gate body 1, meanwhile, the license plate recognition machine 3 recognizes the vehicle, the recognition result is normal, the barrier gate body 1 drives the barrier gate rod 2 to lift, and if the recognition result is abnormal, the barrier gate body 1 does not move; after the vehicle passes through the detection area 5 of the laser radar car inspection device 4, the real-time detection distance of the laser radar 7 is larger than the detection area threshold value, the laser radar car inspection device 4 sends a rod falling signal to the barrier gate body 1, and the barrier gate body 1 controls the barrier gate rod 2 to fall down, so that the function of automatically falling the rod is realized. In the whereabouts in-process of banister pole 2, if there is object 6 (people or vehicle) to get into detection zone 5, laser radar 7's real-time detection distance is less than the detection zone threshold value, laser radar car inspection ware 4 sends and lifts the pole signal for banister body 1, banister body 1 control banister pole 2 lifts up, leave from detection zone 5 until object 6, laser radar 7's real-time detection distance is greater than the detection zone threshold value, laser radar car inspection ware 4 resends the pole signal and gives banister body 1, banister body 1 drive banister pole 2 falls down.
The laser radars 7 are single-point laser radars or area array laser radars, and the number of the laser radars is one or two.
The laser radar 7 is a single-point laser radar, is low in cost, has a vertical visual angle by selecting an area array laser radar, and can detect objects in the vertical visual field.
The number of the laser radars 7 is 1 or 2, wherein if 1 laser radar is used, as shown in fig. 1, the laser radar 7 is installed behind the barrier gate rod 2, and the barrier gate is ensured to start dropping after the vehicle completely passes through the barrier gate rod 2.
As shown in fig. 2, the two laser radars 7 are arranged on two sides of the barrier rod, one detection direction faces the traffic flow, and the other detection direction faces away from the traffic flow.
The emergent optical axes of the two laser radars 7 have an included angle, so that a larger range can be detected, and the object is ensured to be not smashed near the barrier gate rod 2.
The horizontal included angle between the laser radar detection optical axis direction and the traffic flow direction is 45-135 degrees, and the installation height is 30-100cm away from the ground.
The detection light axis of the laser radar 7 is parallel to the ground, the horizontal included angle between the detection light axis and the traffic flow direction is 45-135 degrees, and the installation height is 30-100cm away from the ground. Can discern the object of a take the altitude in certain region, prevent pounding effectually.
As shown in fig. 3 and 4, the lidar inspection vehicle 4 further includes an ultrasonic sensor 9, and the ultrasonic sensor 9 is used for assisting in detecting the vehicle.
The ultrasonic sensor 9 is adopted to assist in detecting the vehicle, the detection area 51 of the ultrasonic sensor is larger than the detection area 52 of the laser radar, the detection area of the ultrasonic sensor is wider, the problem that the field angle of a single laser radar is insufficient is solved, and the accurate detection capability is achieved. Meanwhile, the ultrasonic detection can effectively avoid the influence of rainy days and snowy days, and the auxiliary laser radar sensor is not influenced by dust when the ultrasonic detection is used outdoors.
The data processor 8 is used for converting the data measured by the laser radar 7 and the ultrasonic sensor 9 into signals and sending the signals to the barrier gate body 1.
The data processor 8 comprises a rotary multi-turn potentiometer (not shown) for adjusting the threshold value and the response time of the lidar.
The prior art is that a rotary multi-turn potentiometer adjusts the judgment threshold value and the response time of a laser radar.
The laser radar vehicle inspection device 4 can distinguish people and vehicles.
The data processor 8 has a human and object identification function and can accurately judge whether the vehicle or the pedestrian exists; the person and thing identification function of the data processor 8 is prior art.
The laser radar vehicle inspection device 4 further comprises a status indicator lamp (not shown in the figure), and the status indicator lamp is arranged on the laser radar vehicle inspection device 4.
The status indicator lamp is arranged on the laser radar vehicle detector 4 and used for displaying the working status of the barrier gate rod 2, such as rod lifting or rod falling.
The technical principles of the present application have been described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the present application and is not to be construed in any way as limiting the scope of the application. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present application without inventive effort, which shall fall within the scope of the present application.
Claims (10)
1. An intelligent barrier gate system is characterized by comprising a barrier gate body, a barrier gate rod connected with the barrier gate body, a license plate recognition machine in information communication with the barrier gate body, and a laser radar vehicle detector,
the license plate recognition machine is used for recognizing license plates and sending recognition signals to the barrier gate body;
the laser radar vehicle inspection device is provided with a detection area, when an object is in the detection area, the laser radar vehicle inspection device sends a signal to the barrier gate body, and the barrier gate body drives the barrier gate rod to be in a lifting state; when no object is in the detection area, the laser radar vehicle detector sends a signal to the barrier gate body, and the barrier gate body drives the barrier gate rod to fall down;
the barrier gate body is used for driving the barrier gate rod to move according to signals sent by the license plate recognition machine and the laser radar vehicle detector.
2. The intelligent barrier gate system according to claim 1, wherein the lidar vehicle detector comprises a lidar and a data processor, the lidar is used for detecting vehicles, and the data processor is used for converting lidar ranging data into signals to be sent to the barrier gate body.
3. The intelligent barrier gate system according to claim 2, wherein the number of the lidar is one or two, and the number of the lidar is one point lidar or area array lidar.
4. The intelligent barrier gate system of claim 3, wherein two laser radars are respectively distributed on two sides of the barrier gate rod.
5. The intelligent barrier gate system according to claim 4, wherein the horizontal included angle between the laser radar detection light axis direction and the traffic flow direction is 45-135 degrees, and the installation height is 30-100cm away from the ground.
6. The intelligent barrier gate system of claim 5, wherein the lidar vehicle detector further comprises an ultrasonic sensor, wherein the ultrasonic sensor is used for assisting in detecting the vehicle.
7. The intelligent barrier gate system according to claim 6, wherein the data processor is configured to convert lidar and ultrasonic sensor measurement data into signals to be transmitted to the barrier gate body.
8. The intelligent barrier gate system according to claim 7, wherein the data processor comprises a rotary multi-turn potentiometer for adjusting the threshold value and the response time of the lidar.
9. The intelligent barrier gate system of claim 8, wherein the lidar vehicle detector is capable of distinguishing between a human and a vehicle.
10. The intelligent barrier gate system of claim 9, further comprising status indicator lights, wherein the status indicator lights are disposed on the lidar car inspection device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911008025.5A CN110847087A (en) | 2019-10-22 | 2019-10-22 | Intelligent barrier gate system |
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| CN201911008025.5A CN110847087A (en) | 2019-10-22 | 2019-10-22 | Intelligent barrier gate system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111383376A (en) * | 2020-03-27 | 2020-07-07 | 浙江大华技术股份有限公司 | Device control method and apparatus, storage medium, and electronic apparatus |
| CN111877222A (en) * | 2020-06-30 | 2020-11-03 | 同方威视技术股份有限公司 | Gate system and control method of gate system |
| CN112505721A (en) * | 2020-11-19 | 2021-03-16 | 北醒（北京）光子科技有限公司 | Vehicle access detection system based on laser radar |
| CN113514852A (en) * | 2020-03-25 | 2021-10-19 | 北醒（北京）光子科技有限公司 | Environment sensing system |
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| CN212270768U (en) * | 2019-10-22 | 2021-01-01 | 北醒（北京）光子科技有限公司 | Intelligent barrier gate system |
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