CN109338969A - It sprays away from adaptive control system on sprinkling truck - Google Patents
It sprays away from adaptive control system on sprinkling truck Download PDFInfo
- Publication number
- CN109338969A CN109338969A CN201811012351.9A CN201811012351A CN109338969A CN 109338969 A CN109338969 A CN 109338969A CN 201811012351 A CN201811012351 A CN 201811012351A CN 109338969 A CN109338969 A CN 109338969A
- Authority
- CN
- China
- Prior art keywords
- control module
- frequency converter
- control system
- watering
- infrared inductor
- 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.)
- Pending
Links
- 239000007921 spray Substances 0.000 title claims abstract description 21
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000006698 induction Effects 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 19
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 230000033228 biological regulation Effects 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H3/00—Applying liquids to roads or like surfaces, e.g. for dust control; Stationary flushing devices
- E01H3/02—Mobile apparatus, e.g. watering-vehicles
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The present invention relates to sprinkling truck sprays away from adaptive control system, it includes induction module, liquid level detection device, control module, frequency converter, water pump, solenoid valve and power supply, it and further include pedestal in configuration aspects, tank is provided on the pedestal, display device is provided in the middle part of the tank, the tank bottom margin is provided with outlet pipe, preceding infrared inductor is provided in front of the outlet pipe, the outlet pipe rear is provided with rear infrared inductor, wherein control module is the 89C51 single-chip microcontroller with counter, and induction module is infrared inductor；The present invention have the advantages that can automatic identification personnel, adjust spray away from, control watering flow.
Description
Technical field
The present invention relates to sprinkling truck technical fields, and in particular to a kind of spray of sprinkling truck is away from adaptive control system.
Background technique
Now with the Fast Construction in city, people require also to be gradually increased to The Surroundings in Cities, especially build in engineering
If with highway maintenance etc., since the maintenance of highway needs to carry out purification and dedusting with sprinkling truck Lai Dui highway, worked
It needs to sprinkle water to road surface in journey, in watering in order to wash away completely, therefore the watering device that sprinkling truck is equipped with
Power is larger, is easily spread across with pedestrian when roadside has pedestrian to pass through, to bring inconvenience；Therefore it provides one kind can
Automatic identification personnel adjust spray and spray away from the sprinkling truck of, control watering flow and are necessary away from adaptive control system.
Summary of the invention
The purpose of the invention is to overcome the deficiencies in the prior art, and providing one kind can automatic identification personnel, adjusting spray
Away from, control watering flow sprinkling truck spray away from adaptive control system.
The object of the present invention is achieved like this: sprinkling truck spray away from adaptive control system, the control system include with
Lower module:
Induction module is detected the position where peripheral personnel by sensing device, location information is timely fed back to control module
In；
Liquid level detection device detects residual water level, and residual water level information is transferred in control module, and control module is through handling
It shows screen display water level information again later, refers to and operate for staff；
Control module, control module are the single machine unit with counter, can be carried out according to the signal that induction module senses
Real-time counting, and the duration for needing to be delayed according to average speed setting, can be according to the location information of pedestrian in delay time
Frequency converter is adjusted, the exploitation speed of water pump is controlled, the distance of watering water is adjusted, to facilitate pedestrian to pass through in delay time；
Frequency converter, for receiving the signal of control module, according to Signal Regulation frequency converter, the signal of frequency converter controls the big of water pump
It is small, thus adjust watering water distance from；
Water pump realizes the adjusting to watering distance for receiving the signal of frequency converter；
Solenoid valve shows liquid level information on a display screen according to the concrete condition of liquid level, passes through control mould according to liquid level information
Block electromagnetic valve for adjusting, to adjust watering amount；
Power supply, for providing electric energy to control module, liquid level detection device, induction module, solenoid valve and frequency converter, so as to equipment
It operates normally.
Control system further includes pedestal, and tank is provided on the pedestal, and display dress is provided in the middle part of the tank
It sets, the tank bottom margin is provided with outlet pipe, is provided with preceding infrared inductor, the outlet pipe in front of the outlet pipe
Rear is provided with rear red inductor, and the purpose being arranged in this way is that infrared inductor incudes for convenience, in the process of moving front
Location information, when sensing the position of pedestrian, is transferred to control for incuding the pedestrian to come from front by infrared inductor
Module can also add digiverter between inductor and control module, facilitate the induction module of various models, sense
Location information handled through control module after, output information is transferred in frequency converter, the frequency of frequency converter is adjusted, to make
Water spray distance becomes smaller, and avoids pedestrian, rear infrared inductor is for detecting driving into for rear personnel.
Control module is the 89C51 single-chip microcontroller with counter, and current infrared inductor or rear infrared inductor detect
When pedestrian, control module controls frequency converter and adjusts watering distance, unison counter work, since pedestrian is needed by watering region
For a period of time, so, when counter is not up to given threshold, watering distance is always maintained at state after adjustment, works as counting
When device reaches the threshold value of setting, and induction pedestrian does not enter watering region again during this period, and watering device restores normal work
Make, if sensing pedestrian again, reset monolithic counter, count again, restores former watering until reaching given threshold
State.
Induction module is infrared inductor, for incuding the position of human body.
Beneficial effects of the present invention: the present invention is mainly by the distance and flow of control module control watering, outlet pipe
It is arranged in the middle part of tank, rear and front end is provided with preceding infrared inductor and rear infrared inductor, is respectively induced before sprinkling truck
The personnel that both ends enter afterwards, when the personnel of detecting enter, positional distance information is transferred in control module by induction module, root
According to positional distance information, control module realizes the control to frequency converter, pedestrian's watering is avoided, when counter reaches the threshold value of setting
When, and induction pedestrian does not enter watering region again during this period, and watering device restores to work normally, if sensed again
Pedestrian then resets monolithic counter, counts again, restores former watering state until reaching given threshold, and can be according to storage
The display screen in pond shows position or the road conditions of liquid level, thus the flow sprinkled water by solenoid valve control；The present invention has one
Kind can automatic identification personnel, adjust spray away from, control watering flow the advantages of.
Detailed description of the invention
Fig. 1 is sprinkling truck spray of the present invention away from each modular structure block diagram of adaptive control system.
Fig. 2 is sprinkling truck spray of the present invention away from adaptive control system structural schematic diagram.
1, pedestal 2, tank 3, outlet pipe 4, display device 5, preceding infrared inductor 6, rear infrared induction in figure
Device.
Specific embodiment
Following further describes the present invention with reference to the drawings.
Embodiment 1
As illustrated in fig. 1 and 2, away from adaptive control system, the control system is comprised the following modules for sprinkling truck spray:
Induction module is detected the position where peripheral personnel by sensing device, location information is timely fed back to control module
In；
Liquid level detection device detects residual water level, and residual water level information is transferred in control module, and control module is through handling
It shows screen display water level information again later, refers to and operate for staff；
Control module, control module are the single machine unit with counter, can be carried out according to the signal that induction module senses
Real-time counting, and the duration for needing to be delayed according to average speed setting, can be according to the location information of pedestrian in delay time
Frequency converter is adjusted, the exploitation speed of water pump is controlled, the distance of watering water is adjusted, to facilitate pedestrian to pass through in delay time；
Frequency converter, for receiving the signal of control module, according to Signal Regulation frequency converter, the signal of frequency converter controls the big of water pump
It is small, thus adjust watering water distance from；
Water pump realizes the adjusting to watering distance for receiving the signal of frequency converter；
Solenoid valve shows liquid level information on a display screen according to the concrete condition of liquid level, passes through control mould according to liquid level information
Block electromagnetic valve for adjusting, to adjust watering amount；
Power supply, for providing electric energy to control module, liquid level detection device, induction module, solenoid valve and frequency converter, so as to equipment
It operates normally.
The present invention is mainly by the distance and flow of control module control watering, and outlet pipe 3 is arranged in tank 2
Portion, rear and front end are provided with preceding infrared inductor 5 and rear infrared inductor 6, are respectively induced from the entrance of sprinkling truck rear and front end
Personnel, when the personnel of detecting enter, positional distance information is transferred in control module by induction module, is believed according to positional distance
Breath, control module realize the control to frequency converter, pedestrian's watering are avoided, when counter reaches the threshold value of setting, and herein
Period, induction pedestrian did not entered watering region again, and watering device restores to work normally, if sensing pedestrian again, reset
Monolithic counter counts again, restores former watering state until reaching given threshold, and can be according to the display of tank 2
The position of screen display liquid level or road conditions, thus the flow sprinkled water by solenoid valve control；There is the present invention one kind can know automatically
Others' member adjusts the advantages of spray is away from, control watering flow.
Embodiment 2
As illustrated in fig. 1 and 2, control system further includes pedestal 1, and tank 2,2 middle part of tank are provided on the pedestal 1
It is provided with display device 4,2 bottom margin of tank is provided with outlet pipe 3, infrared before being provided in front of the outlet pipe 3
Inductor 5,3 rear of outlet pipe are provided with rear red inductor, and the purpose being arranged in this way is infrared inductor sense for convenience
It answers, preceding infrared inductor 5 is for incuding the pedestrian to come from front in the process of moving, will when sensing the position of pedestrian
Location information is transferred to control module, and digiverter can be also added between inductor and control module, facilitates various types
Number induction module output information is transferred in frequency converter after the location information sensed is handled through control module, adjust
The frequency of frequency converter avoids pedestrian, rear infrared inductor 6 is for detecting driving into for rear personnel so that water spray distance be made to become smaller.
Control module is the 89C51 single-chip microcontroller with counter, and current infrared inductor 5 or rear infrared inductor 6 detect
When to pedestrian, control module controls frequency converter and adjusts watering distance, unison counter work, since pedestrian is needed by watering region
A period of time is wanted, so, when counter is not up to given threshold, watering distance is always maintained at state after adjustment, works as meter
When number device reaches the threshold value of setting, and induction pedestrian does not enter watering region again during this period, and watering device restores normal
Work, if sensing pedestrian again, resets monolithic counter, counts again, spills until reaching given threshold recovery original
Water state.
The present invention is mainly by the distance and flow of control module control watering, and outlet pipe 3 is arranged in tank 2
Portion, rear and front end are provided with preceding infrared inductor 5 and rear infrared inductor 6, are respectively induced from the entrance of sprinkling truck rear and front end
Personnel, when the personnel of detecting enter, positional distance information is transferred in control module by induction module, is believed according to positional distance
Breath, control module realize the control to frequency converter, pedestrian's watering are avoided, when counter reaches the threshold value of setting, and herein
Period, induction pedestrian did not entered watering region again, and watering device restores to work normally, if sensing pedestrian again, reset
Monolithic counter counts again, restores former watering state until reaching given threshold, and can be according to the display of tank 2
The position of screen display liquid level or road conditions, thus the flow sprinkled water by solenoid valve control；There is the present invention one kind can know automatically
Others' member adjusts the advantages of spray is away from, control watering flow.
Claims (4)
1. sprinkling truck is sprayed away from adaptive control system, it is characterised in that: the control system comprises the following modules:
Induction module is detected the position where peripheral personnel by sensing device, location information is timely fed back to control module
In；
Liquid level detection device detects residual water level, and residual water level information is transferred in control module, and control module is through handling
It shows screen display water level information again later, refers to and operate for staff；
Control module, control module are the single machine unit with counter, can be carried out according to the signal that induction module senses
Real-time counting, and the duration for needing to be delayed according to average speed setting, can be according to the location information of pedestrian in delay time
Frequency converter is adjusted, the exploitation speed of water pump is controlled, the distance of watering water is adjusted, to facilitate pedestrian to pass through in delay time；
Frequency converter, for receiving the signal of control module, according to Signal Regulation frequency converter, the signal of frequency converter controls the big of water pump
It is small, thus adjust watering water distance from；
Water pump realizes the adjusting to watering distance for receiving the signal of frequency converter；
Solenoid valve shows liquid level information on a display screen according to the concrete condition of liquid level, passes through control mould according to liquid level information
Block electromagnetic valve for adjusting, to adjust watering amount；
Power supply, for providing electric energy to control module, liquid level detection device, induction module, solenoid valve and frequency converter, so as to equipment
It operates normally.
2. sprinkling truck as described in claim 1 spray is away from adaptive control system, it is characterised in that: the control system further includes
Pedestal is provided with tank on the pedestal, is provided with display device in the middle part of the tank, the tank bottom margin is set
It is equipped with outlet pipe, is provided with preceding infrared inductor in front of the outlet pipe, the outlet pipe rear is provided with rear infrared inductor.
3. sprinkling truck as described in claim 1 spray is away from adaptive control system, it is characterised in that: the control module be with
The 89C51 single-chip microcontroller of counter.
4. sprinkling truck spray as described in claim 1 is away from adaptive control system, it is characterised in that: the induction module is infrared
Inductor, for incuding the position of human body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811012351.9A CN109338969A (en) | 2018-08-31 | 2018-08-31 | It sprays away from adaptive control system on sprinkling truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811012351.9A CN109338969A (en) | 2018-08-31 | 2018-08-31 | It sprays away from adaptive control system on sprinkling truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109338969A true CN109338969A (en) | 2019-02-15 |
Family
ID=65292250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811012351.9A Pending CN109338969A (en) | 2018-08-31 | 2018-08-31 | It sprays away from adaptive control system on sprinkling truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109338969A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930538A (en) * | 2019-04-02 | 2019-06-25 | 绍兴职业技术学院 | A kind of sprinkling truck variable spray system |
| CN111169367A (en) * | 2020-03-10 | 2020-05-19 | 新石器慧通（北京）科技有限公司 | Unmanned spraying vehicle |
| CN112030853A (en) * | 2020-08-25 | 2020-12-04 | 合肥工业大学 | STM 32-based multifunctional intelligent control system of pure electric watering cart |
| CN112305964A (en) * | 2020-10-22 | 2021-02-02 | 英博超算(南京)科技有限公司 | Automatic drive intelligent watering lorry control system |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09301671A (en) * | 1996-05-14 | 1997-11-25 | Eagle Kuranpu Kk | Suspension clamp and clamp operation device and locking device used for the clamp |
| CA2634904A1 (en) * | 2005-12-23 | 2007-06-28 | Sika Technology Ag | An adhesive composition comprising a polyol base part and an isocyanate hardener and the use thereof |
| CN102852110A (en) * | 2012-08-24 | 2013-01-02 | 中联重科股份有限公司 | Method and device for controlling water path of road cleaning equipment and road cleaning equipment |
| CN105317016A (en) * | 2015-11-07 | 2016-02-10 | 西京学院 | Intelligent sprinkling system for water sprinkler |
| CN205088614U (en) * | 2015-11-04 | 2016-03-16 | 路永鑫 | On -vehicle intelligent sprinkler system and intelligent watering lorry |
| CN206512659U (en) * | 2016-12-28 | 2017-09-22 | 甘肃省建筑机械工程实验室有限公司 | A kind of controllable intelligent sprinkling truck of width of sprinkling water |
| CN206523763U (en) * | 2017-03-06 | 2017-09-26 | 西南交通大学 | Control device for sprinkling truck Intelligent tracking avoidance |
| CN107255960A (en) * | 2017-06-14 | 2017-10-17 | 郑州永泰澳新商贸有限公司 | A kind of city sprinkling truck intelligent water sprinkling control system |
| CN107288089A (en) * | 2017-08-10 | 2017-10-24 | 湖南源绿科技有限公司 | Road surface watering dust collecting device for road construction |
| CN107390585A (en) * | 2017-08-03 | 2017-11-24 | 安徽信息工程学院 | City watering managing and control system and its management-control method based on GPS location |
| CN107372048A (en) * | 2017-07-26 | 2017-11-24 | 合肥巨步机械科技有限公司 | A kind of sprinkling truck based on controller control |
| CN206829054U (en) * | 2017-05-08 | 2018-01-02 | 泉州壕行机械有限公司 | Energy-saving multifunctional sprinkling truck |
| CN108118652A (en) * | 2016-11-30 | 2018-06-05 | 比亚迪股份有限公司 | Sprinkling truck and its sprinkling control method and device |
| CN208965484U (en) * | 2018-08-31 | 2019-06-11 | 河南浩越新能源科技开发有限公司 | It sprays away from adaptive controller on sprinkling truck |
-
2018
- 2018-08-31 CN CN201811012351.9A patent/CN109338969A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09301671A (en) * | 1996-05-14 | 1997-11-25 | Eagle Kuranpu Kk | Suspension clamp and clamp operation device and locking device used for the clamp |
| CA2634904A1 (en) * | 2005-12-23 | 2007-06-28 | Sika Technology Ag | An adhesive composition comprising a polyol base part and an isocyanate hardener and the use thereof |
| CN102852110A (en) * | 2012-08-24 | 2013-01-02 | 中联重科股份有限公司 | Method and device for controlling water path of road cleaning equipment and road cleaning equipment |
| CN205088614U (en) * | 2015-11-04 | 2016-03-16 | 路永鑫 | On -vehicle intelligent sprinkler system and intelligent watering lorry |
| CN105317016A (en) * | 2015-11-07 | 2016-02-10 | 西京学院 | Intelligent sprinkling system for water sprinkler |
| CN108118652A (en) * | 2016-11-30 | 2018-06-05 | 比亚迪股份有限公司 | Sprinkling truck and its sprinkling control method and device |
| CN206512659U (en) * | 2016-12-28 | 2017-09-22 | 甘肃省建筑机械工程实验室有限公司 | A kind of controllable intelligent sprinkling truck of width of sprinkling water |
| CN206523763U (en) * | 2017-03-06 | 2017-09-26 | 西南交通大学 | Control device for sprinkling truck Intelligent tracking avoidance |
| CN206829054U (en) * | 2017-05-08 | 2018-01-02 | 泉州壕行机械有限公司 | Energy-saving multifunctional sprinkling truck |
| CN107255960A (en) * | 2017-06-14 | 2017-10-17 | 郑州永泰澳新商贸有限公司 | A kind of city sprinkling truck intelligent water sprinkling control system |
| CN107372048A (en) * | 2017-07-26 | 2017-11-24 | 合肥巨步机械科技有限公司 | A kind of sprinkling truck based on controller control |
| CN107390585A (en) * | 2017-08-03 | 2017-11-24 | 安徽信息工程学院 | City watering managing and control system and its management-control method based on GPS location |
| CN107288089A (en) * | 2017-08-10 | 2017-10-24 | 湖南源绿科技有限公司 | Road surface watering dust collecting device for road construction |
| CN208965484U (en) * | 2018-08-31 | 2019-06-11 | 河南浩越新能源科技开发有限公司 | It sprays away from adaptive controller on sprinkling truck |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930538A (en) * | 2019-04-02 | 2019-06-25 | 绍兴职业技术学院 | A kind of sprinkling truck variable spray system |
| CN111169367A (en) * | 2020-03-10 | 2020-05-19 | 新石器慧通（北京）科技有限公司 | Unmanned spraying vehicle |
| CN111169367B (en) * | 2020-03-10 | 2024-02-09 | 新石器(盐城)智能制造有限公司 | Unmanned spraying vehicle |
| CN112030853A (en) * | 2020-08-25 | 2020-12-04 | 合肥工业大学 | STM 32-based multifunctional intelligent control system of pure electric watering cart |
| CN112305964A (en) * | 2020-10-22 | 2021-02-02 | 英博超算(南京)科技有限公司 | Automatic drive intelligent watering lorry control system |
| CN112305964B (en) * | 2020-10-22 | 2021-08-31 | 英博超算(南京)科技有限公司 | Automatic drive intelligent watering lorry control system |
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Application publication date: 20190215 |