CN110390833A - A kind of traffic instruction facility occlusion detection method - Google Patents
A kind of traffic instruction facility occlusion detection method Download PDFInfo
- Publication number
- CN110390833A CN110390833A CN201910476538.2A CN201910476538A CN110390833A CN 110390833 A CN110390833 A CN 110390833A CN 201910476538 A CN201910476538 A CN 201910476538A CN 110390833 A CN110390833 A CN 110390833A
- Authority
- CN
- China
- Prior art keywords
- facility
- traffic
- target
- distance measuring
- measuring sensor
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/097—Supervising of traffic control systems, e.g. by giving an alarm if two crossing streets have green light simultaneously
Abstract
The invention discloses a kind of traffic to indicate facility occlusion detection method.The detection device that the present invention uses is mounted on target traffic instruction facility.The device or method whether traffic instruction facility is blocked are not can automatically detect in the prior art.The detection device that the present invention uses includes distance measuring sensor, controller, steering engine and wireless communication module.The bracket of distance measuring sensor and target traffic instruction facility constitutes revolute pair, and by servo driving.The present invention passes through the range unit that can be overturn, it can be realized and be blocked the detection of situation to traffic instruction facility close to roadside edge side, to carry out problem exclusion with regard to notice relevant departments in time before traffic instruction facility is blocked, solve the problems, such as not knowing signal lamp state since traffic instruction facility is blocked by leaf etc. when vehicle passes through crossing.The present invention can ensure the visibility of traffic instruction facility, can effectively increase the safety coefficient for the pedestrian that goes across the road.
Description
Technical field
The invention belongs to transit equipment technical fields, and in particular to a kind of traffic instruction facility occlusion detection method.
Background technique
Traffic lights or indication guide board near some traffic intersections are blocked by luxuriant leaf, are easy to cause traffic accident.
Gardens department builds the behavior of branch also usually not in time.Currently, for this case solution almost without and existing
The device or method whether traffic instruction facility is blocked are not can automatically detect in technology.
In the prior art, in the patent of invention of application number CN201811507475, (one kind is convenient for rear to inventor Li Li etc.
The traffic lights of vehicle viewing) in, devise a kind of novel signal for moving back and forth signal lamp in cross bar horizontal direction
Lamp.This design can alleviate aforementioned problem to a certain extent, but its there are the deficiencies in terms of following two.
1, it makes the method that traffic lights horizontally slips, and there may be unreliable factors in long-term use.It is used in skidding
Rope, it is necessary at the appointed time complete replacement.Under high wind situation, movable part is easier to fall off.It causes biggish
Security risk.
2, its purpose of design is to " watch convenient for front vehicle ", and there is no branches to block prompt and early warning system.Cause
This, the signal lamp of invention design is still easy to appear the feelings blocked by branch when being moved to closest to the region in roadside
Condition.
Summary of the invention
The purpose of the present invention is to provide a kind of traffic to indicate facility occlusion detection method.
The detection device that the present invention uses is mounted on target traffic instruction facility.The detection device includes that ranging passes
Sensor, controller, steering engine and wireless communication module.The signal output interface of distance measuring sensor and the signal input interface of controller
Connection.The PWM input interface of steering engine and the PWM output interface of controller connect.The communication interface and radio communication mold of controller
The communication interface of block connects.The bracket of distance measuring sensor and target traffic instruction facility constitutes revolute pair, and by servo driving.
The traffic indicates facility occlusion detection method, the specific steps are as follows:
Step 1: controller sets distance measuring sensor range toIt is round-trip that controller, which controls steering engine with T,
Period positive and negative reciprocating rotation, so that distance measuring sensor is in pitching angle theta1~θ2Between alternately reciprocating rotation；θ1=arctan (a/h)-
5 °, θ2+ 5 ° of=arctan (a/h).The every rotation of distance measuring sensorSteering engine pauses once, 8≤z≤20；Steering engine stops every time
, distance measuring sensor carries out one-time detection.A is target visibility, and b is that target traffic indicates facility at a distance from ground.
If distance measuring sensor detects barrier in range ability, two are entered step.
Step 2: updating the frequency n that the distance measuring sensor within the preceding T' time detects barrier in range；T'=m
T, 10≤m≤20.If n≤3, will be considered to measurement, there are errors, disregard, and continue to execute step 1；If 4≤n≤
0.2zm then judges that blocking grade is I grade, enters step three；If 31≤n≤0.5zm, judgement blocks grade and is
II grade, enter step three；If 81≤n≤zm, judge that blocking grade is III grade, enters step three.
Step 3: module issues the warning information being blocked to controller by wireless communication；Warning information includes that target is handed over
The location information of logical instruction facility blocks grade and sending time.
Further, the detection device further includes power supply.Power supply turns the power module of 5V3A using 220V.Power supply is
Distance measuring sensor, steering engine and wireless communication module power supply.
Further, the distance measuring sensor is swashed using the model L1 of Shenzhen Hong Ruitai Electronics Co., Ltd. production
Ligh-ranging sensor.The controller uses the single-chip microcontroller of model STC15F2K60S2.The wireless communication module is adopted
With the communication module of model UNV-SIM800C.
Further, target traffic instruction facility is traffic lights or guideboard.If target traffic indicates that facility is red
Green light, then target visibility is distance of the target traffic instruction facility to corresponding crossing stop line；If target traffic indicates
Facility is guideboard, then target visibility is 80~200m.
Further, the distance measuring sensor, target traffic instruction facility bracket at revolute pair common axis water
Flat setting, and it is parallel to the direction of target traffic instruction facility.
Further, the distance measuring sensor is located at target traffic instruction facility close to the side of road edge, and with
Target traffic indicates that the distance of facility is 35cm.
Further, traffic instruction facility occlusion detection method executes within a preset period of time, and preset time period is daily
There is one to three, the length of preset time period is 30min.
The invention has the advantages that:
1, the present invention can be realized to traffic instruction facility by the range unit that can be overturn close to roadside edge side
The detection for the situation that is blocked, to carry out problem exclusion, solution with regard to notice relevant departments in time before traffic instruction facility is blocked
The problem of can not knowing signal lamp state, is blocked by leaf etc. due to traffic instruction facility when vehicle of having determined passes through crossing.
2. further improving the work of gardens department present invention alleviates the workload that the daily road of relevant department is maked an inspection tour
Efficiency.
3. the present invention can ensure the visibility of traffic instruction facility, the safety system for the pedestrian that goes across the road can be effectively increased
Number.
Detailed description of the invention
Fig. 1 is first instrumentation plan of the invention；
Fig. 2 is second instrumentation plan of the invention；
Fig. 3 is the system block diagram for the detection device that the present invention uses；
Fig. 4 is flow chart of the invention.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described.
As illustrated in fig. 1 and 2, a kind of traffic indicates that facility occlusion detection method, the detection device of use are mounted on target friendship
On logical instruction facility 6.Target traffic instruction facility 6 is traffic lights or the guideboard being used to indicate.
As shown in figs. 1 and 3, detection device includes distance measuring sensor 1, power supply 2, controller 3, steering engine 4 and radio communication mold
Block 5.Distance measuring sensor 1 is (specific using the model L1 laser range sensor 1 of Shenzhen Hong Ruitai Electronics Co., Ltd. production
Model L1A05RS232).Controller 3 uses the single-chip microcontroller of model STC15F2K60S2.Wireless communication module 5 uses model
For the communication module of UNV-SIM800C.Power supply 2 turns the power module of 5V3A using 220V.Power supply 2 is distance measuring sensor 1, steering engine
4 and wireless communication module 5 power.The signal output interface of distance measuring sensor 1 is connect with the signal input interface of controller 3.Rudder
The PWM input interface of machine 4 is connect with the PWM output interface of controller 3.The communication interface of controller 3 and wireless communication module 5
Communication interface connection.
Distance measuring sensor 1 is fixed on mounting rack.The bracket of mounting rack and target traffic instruction facility 6 constitutes revolute pair.
Steering engine is fixed on the bracket of target traffic instruction facility 6.The output shaft of steering engine 4 is fixed with mounting rack.Mounting rack, target traffic
It indicates that the institute of facility 6 is horizontally disposed at the common axis of revolute pair, and is parallel to the direction that target traffic indicates facility 6.Ranging passes
Sensor 1 is located at target traffic instruction facility 6 close to the side of road edge, and is at a distance from target traffic instruction facility 6
35cm。
As shown in figure 4, the traffic indicates facility occlusion detection method, the specific steps are as follows:
Step 1: controller controls steering engine using T as the positive and negative reciprocating rotation of round trip cycle, so that distance measuring sensor is in pitch angle
θ1~θ2Between alternately reciprocating rotation；θ1- 5 ° of=arctan (a/h), θ2+ 5 ° of=arctan (a/h).The every rotation of distance measuring sensorSteering engine pauses once, 8≤z≤20；Steering engine pauses every time, and distance measuring sensor carries out one-time detection.A is that target is visible
Distance, b are that target traffic indicates facility at a distance from ground.If distance measuring sensor detects barrier in range ability,
Enter step two.
Step 1: controller sets distance measuring sensor range toWithin a preset period of time, controller 3 is controlled
Steering engine 4 processed is using T as the positive and negative reciprocating rotation of round trip cycle, so that the pitch angle of 1 direction of distance measuring sensor is in θ1~θ2Between it is alternately past
Multiple variation；T=30s, θ1- 5 ° of=arctan (a/h), θ2+ 5 ° of=arctan (a/h).Preset time period is daily one to three times,
The length of preset time period is 30min.Every 1 ° of the rotation of distance measuring sensor, steering engine pauses primary；Steering engine pauses every time, ranging sensing
Device detects once itself towards upper barrier and itself distance l.So that distance measuring sensor 1 carries out in a round trip cycle
Ten distance detections.Wherein, a is target visibility, and b is that target traffic indicates facility 6 at a distance from ground.If target traffic
Instruction facility 6 is traffic lights, then target visibility is that target traffic indicates that facility 6 arrives the distance of corresponding crossing stop line；
If target traffic indicates that facility 6 is guideboard, target visibility is 80~200m.If distance measuring sensor 1 is in range ability
Detect that (i.e. controller 3 receives return value of the distance measuring sensor 1 in range to barrier in the measurements, rather than no to scale
Information, error code 261 is returned when no to scale), then enter step two；Otherwise, step 1 is continuously carried out.
Step 2: updating the frequency n that controller 3 receives return value of the distance measuring sensor 1 in range within the preceding T' time；
T'=mT, m=15.If n≤3, will be considered to measurement, there are errors, disregard, and continue to execute step 1；If 4≤n≤
30, then judge that blocking grade is I grade, indicates that target traffic instruction facility 6 is slightly blocked, enter step three；If 31≤n≤
75, then judge that blocking grade is II grade, indicates that target traffic instruction facility 6 is blocked by medium, enter step three；If 81≤n≤
150, then judge that blocking grade is III grade, indicates that target traffic instruction facility 6 is seriously blocked, enter step three.
Step 3: module 5 sends target traffic to host computer or relevant departments and indicates facility 6 controller by wireless communication
The warning information being blocked, and restart after postponing 24 hours；Warning information includes the position letter of target traffic instruction facility 6
It ceases, block grade and sending time.Relevant departments are traffic control department or garden management department.
Claims (7)
1. a kind of traffic indicates facility occlusion detection method, it is characterised in that: the detection device of use includes distance measuring sensor, control
Device, steering engine and wireless communication module processed；The signal output interface of the distance measuring sensor and the signal input interface of controller connect
It connects；The PWM input interface of steering engine and the PWM output interface of controller connect；The communication interface and wireless communication module of controller
Communication interface connection；The bracket of distance measuring sensor and target traffic instruction facility constitutes revolute pair, and by servo driving；
The traffic indicates facility occlusion detection method, the specific steps are as follows:
Step 1: controller sets distance measuring sensor range toController control steering engine using T as round trip cycle just
Anti- reciprocating rotation, so that distance measuring sensor is in pitching angle theta1~θ2Between alternately reciprocating rotation；θ1- 5 ° of=arctan (a/h), θ2
+ 5 ° of=arctan (a/h)；The every rotation of distance measuring sensorSteering engine pauses once, 8≤z≤20；Steering engine pauses every time, surveys
One-time detection is carried out away from sensor；A is target visibility, and b is that target traffic indicates facility at a distance from ground；If ranging
Sensor detects barrier in range ability, then enters step two；
Step 2: updating the frequency n that the distance measuring sensor within the preceding T' time detects barrier in range；T'=mT, 10
≤m≤20；If n≤3, will be considered to measurement, there are errors, disregard, and continue to execute step 1；If 4≤n≤0.2
Zm then judges that blocking grade is I grade, enters step three；If 31≤n≤0.5zm, judge that blocking grade is II grade,
Enter step three；If 81≤n≤zm, judge that blocking grade is III grade, enters step three；
Step 3: module issues the warning information being blocked to controller by wireless communication；Warning information includes that target traffic refers to
Show the location information of facility, block grade and sending time.
2. a kind of traffic according to claim 1 indicates facility occlusion detection method, it is characterised in that: the detection dress
Setting further includes power supply；Power supply turns the power module of 5V3A using 220V；Power supply is distance measuring sensor, steering engine and wireless communication module
Power supply.
3. a kind of traffic according to claim 1 indicates facility occlusion detection method, it is characterised in that: the ranging passes
Sensor uses the model L1 laser range sensor of Shenzhen Hong Ruitai Electronics Co., Ltd. production；The controller uses
The single-chip microcontroller of model STC15F2K60S2；The wireless communication module uses the communication module of model UNV-SIM800C.
4. a kind of traffic according to claim 1 indicates facility occlusion detection method, it is characterised in that: the target is handed over
Logical instruction facility is traffic lights or guideboard；If target traffic indicates that facility is traffic lights, target visibility is target traffic
Distance of the instruction facility to corresponding crossing stop line；If target traffic indicates that facility is guideboard, target visibility is 80
~200m.
5. a kind of traffic according to claim 1 indicates facility occlusion detection method, it is characterised in that: the ranging sensing
Device, the bracket institute of target traffic instruction facility are horizontally disposed at the common axis of revolute pair, and are parallel to target traffic and indicate to set
The direction applied.
6. a kind of traffic according to claim 1 indicates facility occlusion detection method, it is characterised in that: the ranging passes
Sensor is located at target traffic instruction facility close to the side of road edge, and is 35cm at a distance from target traffic instruction facility.
7. a kind of traffic according to claim 1 indicates facility occlusion detection method, it is characterised in that: traffic instruction is set
It applies occlusion detection method to execute within a preset period of time, preset time period has one to three daily, and the length of preset time period is
30min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910476538.2A CN110390833B (en) | 2019-06-03 | 2019-06-03 | Traffic indicating facility shielding detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910476538.2A CN110390833B (en) | 2019-06-03 | 2019-06-03 | Traffic indicating facility shielding detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110390833A true CN110390833A (en) | 2019-10-29 |
| CN110390833B CN110390833B (en) | 2020-12-29 |
Family
ID=68285197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910476538.2A Active CN110390833B (en) | 2019-06-03 | 2019-06-03 | Traffic indicating facility shielding detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110390833B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004193043A (en) * | 2002-12-13 | 2004-07-08 | Matsushita Electric Works Ltd | Lighting device |
| CN103076157A (en) * | 2013-01-05 | 2013-05-01 | 山西省电力公司大同供电分公司 | Automatic measuring device and method for focal distance of thin concave lens |
| CN203688818U (en) * | 2014-01-20 | 2014-07-02 | 长安大学 | Traffic sign sheltering detection device |
| CN107045353A (en) * | 2017-06-06 | 2017-08-15 | 江苏力德尔电子信息技术有限公司 | All-around mobile AGV master control systems and its control method |
| CN107394605A (en) * | 2017-08-06 | 2017-11-24 | 黄建锋 | One kind can remote monitoring intelligent High-low voltage switch cabinet |
| CN107808532A (en) * | 2017-12-08 | 2018-03-16 | 陈慧婷 | Emergency vehicles priority pass control method |
| CN207522585U (en) * | 2017-11-16 | 2018-06-22 | 广东农工商职业技术学院(农业部华南农垦干部培训中心) | Material captures robot |
| CN108615355A (en) * | 2018-06-19 | 2018-10-02 | 攀枝花学院 | A kind of intelligence crossing caution system |
| CN108890659A (en) * | 2018-07-13 | 2018-11-27 | 北京工业大学 | A kind of pipe gallery crusing robot |
| CN208884394U (en) * | 2018-09-19 | 2019-05-21 | 肖飞 | A kind of traffic mark board of detectable shelter |
-
2019
- 2019-06-03 CN CN201910476538.2A patent/CN110390833B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004193043A (en) * | 2002-12-13 | 2004-07-08 | Matsushita Electric Works Ltd | Lighting device |
| CN103076157A (en) * | 2013-01-05 | 2013-05-01 | 山西省电力公司大同供电分公司 | Automatic measuring device and method for focal distance of thin concave lens |
| CN203688818U (en) * | 2014-01-20 | 2014-07-02 | 长安大学 | Traffic sign sheltering detection device |
| CN107045353A (en) * | 2017-06-06 | 2017-08-15 | 江苏力德尔电子信息技术有限公司 | All-around mobile AGV master control systems and its control method |
| CN107394605A (en) * | 2017-08-06 | 2017-11-24 | 黄建锋 | One kind can remote monitoring intelligent High-low voltage switch cabinet |
| CN207522585U (en) * | 2017-11-16 | 2018-06-22 | 广东农工商职业技术学院(农业部华南农垦干部培训中心) | Material captures robot |
| CN107808532A (en) * | 2017-12-08 | 2018-03-16 | 陈慧婷 | Emergency vehicles priority pass control method |
| CN108615355A (en) * | 2018-06-19 | 2018-10-02 | 攀枝花学院 | A kind of intelligence crossing caution system |
| CN108890659A (en) * | 2018-07-13 | 2018-11-27 | 北京工业大学 | A kind of pipe gallery crusing robot |
| CN208884394U (en) * | 2018-09-19 | 2019-05-21 | 肖飞 | A kind of traffic mark board of detectable shelter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110390833B (en) | 2020-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103112451B (en) | A kind of Automobile automatic collision avoidance system and method | |
| CN103236199B (en) | Automatic testing system and testing method for street crossing of pedestrians | |
| CN202448921U (en) | Automobile lateral doubling auxiliary system | |
| CN203422849U (en) | Automatic opening/closing system for time-delay calculating processing type LED traffic signal denoter | |
| CN109137770A (en) | A kind of apparatus for deivation and sync identification and localization method on apparatus for deivation | |
| CN109024333A (en) | A kind of apparatus for deivation under low visibility | |
| CN104627068A (en) | Computing system and method for car body course angle in automatic parking process | |
| CN105299580A (en) | Frequently-flashing warning lamp with laser ranging function | |
| CN109410646A (en) | A kind of intelligent anticollision early warning system | |
| CN210743216U (en) | Highway construction operation district early warning system night | |
| CN204465953U (en) | A kind of tunnel intelligent illumination and caution system | |
| CN207617713U (en) | A kind of automobile is with vehicle early warning system and automobile | |
| CN214279097U (en) | Light warning and guiding system for urban underground road | |
| CN110390833A (en) | A kind of traffic instruction facility occlusion detection method | |
| CN108573603A (en) | A kind of intelligence rear-end warning system | |
| CN202013628U (en) | Staff safety alarming device for accident site on expressway | |
| CN110766953A (en) | Intelligent underground lamp of letter accuse intersection of car road concerted formula | |
| CN204124042U (en) | Based on the bend vehicle lane-changing prior-warning device of GPS and national highway geography information | |
| CN102103797B (en) | Device and method for warning vehicle speed and counting traffic flow | |
| CN208335465U (en) | A kind of vehicle super-high monitoring warning system based on laser detection | |
| CN104290661A (en) | Air barrier warning device and control method thereof | |
| CN209044881U (en) | A kind of highway merging area interflow and warning system | |
| CN203204153U (en) | Electric bicycle danger warning device | |
| CN206297458U (en) | Headlight for vehicles servomechanism | |
| CN206181459U (en) | Warning sign illumination intensity developments compensating system based on leading distance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |