CN104790337A - Spreading vehicle for emulsion type snow-melting agent and spreading operation control method - Google Patents
Spreading vehicle for emulsion type snow-melting agent and spreading operation control method Download PDFInfo
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- CN104790337A CN104790337A CN201510193551.9A CN201510193551A CN104790337A CN 104790337 A CN104790337 A CN 104790337A CN 201510193551 A CN201510193551 A CN 201510193551A CN 104790337 A CN104790337 A CN 104790337A
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- snow
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000002844 melting Methods 0.000 title claims abstract description 20
- 239000000839 emulsion Substances 0.000 title abstract 3
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 178
- 239000007921 spray Substances 0.000 claims description 94
- 238000001514 detection method Methods 0.000 claims description 37
- 238000012544 monitoring process Methods 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000005520 electrodynamics Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000001276 controlling effect Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 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
- E01H10/00—Improving gripping of ice-bound or other slippery traffic surfaces, e.g. using gritting or thawing materials ; Roadside storage of gritting or solid thawing materials; Permanently installed devices for applying gritting or thawing materials; Mobile apparatus specially adapted for treating wintry roads by applying liquid, semi-liquid or granular materials
- E01H10/007—Mobile apparatus specially adapted for preparing or applying liquid or semi-liquid thawing material or spreading granular material on wintry roads
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
- G05D13/62—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover characterised by the use of electric means, e.g. use of a tachometric dynamo, use of a transducer converting an electric value into a displacement
Abstract
The invention discloses a spreading vehicle for an emulsion type snow-melting agent. The spreading vehicle comprises a bearing vehicle body, a snow-melting agent storing tank and a spraying system used for spraying snow-melting agent in the snow-melting agent storing tank onto a road. The spraying system comprises multiple spraying devices, a conveying pipeline, a snow-melting agent pump and an alternating-current variable-frequency speed control system used for controlling the speed of the snow-melting agent pump. The snow-melting agent pump is a quantitative pump and is installed on the conveying pipeline. The spreading vehicle is simple in structure, reasonable in design, easy and convenient to operate and good in use effect, and the spreading amount of the snow-melting agent is controlled by controlling the speed of the snow-melting agent pump through the alternating-current variable-frequency speed control system. The invention further discloses a spreading operation control method of the spreading vehicle for the emulsion type snow-melting agent. The spreading operation control method comprises the steps that firstly, spreading control parameters are set; secondly, the bearing vehicle body is started, and the spraying devices are opened; thirdly, the bearing vehicle body moves, and the snow-melting agent is spread. The spreading operation control method has the advantages that the steps are simple, design is reasonable, implementation is convenient, the spreading amount control effect is good, and the spreading amount and the spreading uniformity of the snow-melting agent can be effectively controlled.
Description
Technical field
The invention belongs to spread control technology field, especially relate to a kind of emulsion-type Snow Agent distribution vehicle and spread job control method.
Background technology
Snow Agent distribution vehicle is a kind of important highway maintenance equipment, in highroad maintenance processes, when winter heavy snowfall and ice box icy on road time, skim Snow Agent need be spilt on road surface, the spread time of Snow Agent is not limit, or can avenge rear spread before snow, in snow, the effectiveness of Snow Agent can extend the several months, even whole winter.At present, what the spread operation-control system of Snow Agent distribution vehicle all adopted mostly is the control system that traditional asphalt distribution vehicle uses, this control system adopts volume adjustable hydraulic pump to drive hydraulic motor, again by fluid motor-driven bitumenpump, and adjusted by the flow of regulated variable hydraulic pressure pump delivery to bitumenpump, the volume adjustable hydraulic pump adopted in this control system is electrohydraulic proportional variable pump, the electric current of electrohydraulic proportional variable pump becomes certain proportionate relationship with the pressure of institute's hydraulic control system, the object that volume adjustable hydraulic pump is controlled can be reached by controlling electric current, and realize the object controlling bitumenpump fountain height, thus the control core of above-mentioned control system is by controlling to make the electric current of electrohydraulic proportional variable pump and the speed of a motor vehicle of distribution vehicle keep certain relation.But in actual use procedure, because hydraulic drive mechanism easily produces leakage problem, and not easy-maintaining after breaking down, hydraulic drive mechanism fluid used is large by influence of temperature change simultaneously, more responsive to oil contamination, outer duty factor, thus adopt above-mentioned control system to carry out in speed regulation process, adjusting speed accuracy is lower; In addition, in the winter of cold, the startup of fluid power system is also more difficult.
Along with the extensive popularization of ac variable speed technology, AC variable-frequency speed regulation system is applied to hydraulic system, and drive Snow Agent pump by buncher, ac variable speed technology has the following advantages: normal asynchronous the first, can be made to realize stepless speed regulation, starting current is little, reduces power-supply device capacity, starts level and smooth, eliminate the impact force of machinery, protection plant equipment; The second, to motor, there is defencive function, reduce the maintenance cost of motor, and there is significant power savings; Three, do not have overflow loss, system heating reduces, and eliminates responsive servoelement, can suitably reduce driving medium and filtering requirement.Thus, nowadays lack a kind of reasonable in design, realize convenient and the emulsion-type Snow Agent distribution vehicle that result of use is good and spread job control method, it, using the control system of AC variable-frequency speed regulation system as Snow Agent distribution vehicle, controls spread quantity.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned deficiency of the prior art, a kind of emulsion-type Snow Agent distribution vehicle is provided, its structure simple, reasonable in design and use easy and simple to handle, result of use good, the spread quantity of pump speed to Snow Agent being controlled Snow Agent pump by AC variable-frequency speed regulation system is control effectively.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of emulsion-type Snow Agent distribution vehicle, it is characterized in that: comprise carrying vehicle, be arranged on carrying vehicle and inside be equipped with Snow Agent Snow Agent storage tank and by Snow Agent storage tank fill Snow Agent and be sprayed to sprinkling system on road surface, described sprinkling system is arranged on carrying vehicle; Described sprinkling system comprise multiple be installed in carrying vehicle rear portion spray equipment, be connected to conveyance conduit between the liquid outlet of Snow Agent storage tank and multiple described spray equipment, by Snow Agent storage tank fill the Snow Agent pump that Snow Agent is pumped to multiple described spray equipment and the AC variable-frequency speed regulation system that the pump speed of Snow Agent pump is controlled, described Snow Agent pump is constant displacement pump and it is electrodynamic pump, and described Snow Agent pump is arranged on described conveyance conduit; Multiple described spray equipment to be laid and it is all positioned in same level from left to right along the width of carrying vehicle, and multiple described spray equipment is all laid on same straight line, and multiple described spray equipment is in evenly laying; The frequency converter that described AC variable-frequency speed regulation system comprises the rotation speed detection unit of carrying out detecting in real time to the rotating speed of Snow Agent pump, the controller controlled the drive motors of Snow Agent pump and connects with controller, described controller connects with parameter set unit, described drive motors is asynchronous motor, described frequency converter connects with drive motors, and described rotation speed detection unit and drive motors all connect with controller.
Above-mentioned a kind of emulsion-type Snow Agent distribution vehicle, is characterized in that: also comprise the Bus-Speed Monitoring unit speed of a motor vehicle of carrying vehicle being carried out to detection in real time, described Bus-Speed Monitoring unit connects with controller.
Above-mentioned a kind of emulsion-type Snow Agent distribution vehicle, it is characterized in that: the structure of multiple described spray equipment is all identical with size, and multiple described spray equipment is nozzle; Multiple described nozzle is installed on the spray line of the laying in level, and described spray line connects with described conveyance conduit and its width along carrying vehicle is laid.
Above-mentioned a kind of emulsion-type Snow Agent distribution vehicle, is characterized in that: described nozzle is carry out the electronic nozzle of switch control rule by controller and it connects with controller.
Above-mentioned a kind of emulsion-type Snow Agent distribution vehicle, it is characterized in that: described AC variable-frequency speed regulation system also comprises the display unit connected with controller, described parameter set unit and display unit are all laid in the driver's cabin of carrying vehicle; To be provided with in described Snow Agent storage tank its inside fill the mixing plant that Snow Agent stirs.
Above-mentioned a kind of emulsion-type Snow Agent distribution vehicle, is characterized in that: also comprise the generator of powering to drive motors and the motor driven generator, described motor is connected with generator, and generator is connected with drive motors; Described motor and generator are installed on carrying vehicle.
Above-mentioned a kind of emulsion-type Snow Agent distribution vehicle, is characterized in that: described carrying vehicle is chassis vehicle.
Above-mentioned a kind of emulsion-type Snow Agent distribution vehicle, is characterized in that: described Snow Agent pump is diaphragm pump.
Meanwhile, the invention discloses a kind of method step simple, reasonable in design and realize the emulsion-type Snow Agent distribution vehicle spread job control method convenient, spread quantity control effects is good, it is characterized in that the method comprises the following steps:
Step one, spread controling parameters set: by described parameter set unit input spread controling parameters, and carry out stores synchronized by controller to inputted spread controling parameters;
The spread controling parameters inputted comprises sample frequency f
0, nozzle spread parameter, the quantity M of spray equipment need be opened and the spread quantity λ of Snow Agent on road surface need be sprayed, wherein sample frequency f
0for the sample frequency of rotation speed detection unit, spread quantity λ every square metre of road surface needs the volume of spraying snow-melting agent and its unit is L/m
2; The M that need open a described spray equipment is in evenly laying;
In described sprinkling system, the quantity of included spray equipment is N number of, M and N is positive integer and M≤N; In described sprinkling system, the structure of N number of described spray equipment is all identical with size, and N number of described spray equipment is nozzle; Multiple described nozzle is installed on the spray line of the laying in level, and described spray line connects with described conveyance conduit and its width along carrying vehicle is laid;
Described nozzle spread parameter comprises nozzles spray angle [alpha], nozzle spread height H and nozzle anglec of rotation β, and the nozzle spread parameter of the M that need open a described spray equipment is all identical; Wherein, nozzles spray angle [alpha] is the spray angle of described nozzle, and nozzle spread height H is the height off the ground of described nozzle and its unit is m, and nozzle anglec of rotation β is the angle between the open centre line of described nozzle and spray line axis;
Described carrying vehicle is equipped with the Bus-Speed Monitoring unit its speed of a motor vehicle being carried out to detection in real time, described Bus-Speed Monitoring unit connects with controller; The sample frequency of described Bus-Speed Monitoring unit is identical with the sample frequency of rotation speed detection unit;
Step 2, carrying vehicle start and spray equipment is opened: start carrying vehicle, and carrying vehicle is at the uniform velocity moved forward need spray on road surface, open in described sprinkling system M the described spray equipment needing to open simultaneously;
Step 3, carrying vehicle move and Snow Agent spread: described carrying vehicle is at the uniform velocity in movement forward, by M described spray equipment, need spray spraying snow-melting agent on road surface by rear to forward direction;
In sprinkling process, described rotation speed detection unit and Bus-Speed Monitoring unit detect in real time to the rotating speed of Snow Agent pump and the speed of a motor vehicle of carrying vehicle respectively, and by institute's Detection Information synchronous driving to controller, controller controls according to the pump speed of the Detection Information received to Snow Agent pump, and process is as follows:
Step 301, signals collecting: according to the sample frequency f of setting in step one
0, described controller call signal acquisition module or by signal sample circuit, to now rotation speed detection unit and Bus-Speed Monitoring unit inspection to tach signal and GES synchronously gather, and the tachometer value n of Snow Agent pump that will collect
bwith the vehicle speed value v of carrying vehicle
tsynchronous driving is to controller;
Step 302, signal transacting and Snow Agent pump control: described controller call signal processing module, to the tachometer value n of the Snow Agent pump collected in step 301
bwith the vehicle speed value v of carrying vehicle
tcarry out processing and draw Frequency Converter Control parameter, then controlling according to the drive motors of Motor control parameters to Snow Agent pump drawn, process is as follows:
Step 3021, theoretical pump speed calculate: according to formula
and the vehicle speed value v of carrying vehicle collected in the spread controling parameters of setting in integrating step one and step 301
t, calculate the theoretical rotational speed n of now drive motors
t;
In formula (1),
in formula (2), q
bfor Snow Agent pump delivery and its unit is L/r, n
0for constant and n
0=2 ~ 3;
Step 3022, frequency converter output frequency value calculate: according to formula
and the vehicle speed value v of the carrying vehicle collected in the spread controling parameters of setting in integrating step one, step 301
twith the k calculated in step 3021, calculate the output frequency value f of frequency converter; In formula (4),
wherein p is the number of pole-pairs of drive motors, and s is the revolutional slip of drive motors, i
bMfor the gearratio of drive motors and Snow Agent pump;
Step 3023, frequency converter output frequency compensate: according to formula
the tachometer value n of the Snow Agent pump collected in integrating step 301
b, calculate the output frequency value f after the output frequency value f of the frequency converter calculated in step 3022 is compensated
r; Wherein, the output frequency value f after compensation
rfor the Frequency Converter Control parameter calculated;
Step 3024, frequency converter output frequency adjust: according to the output frequency value f after the compensation calculated in step 3023
r, and control frequency converter by controller, the output frequency of frequency converter is adjusted to f
r, complete now to the control procedure of the pump speed of Snow Agent pump;
Step 303, return step 301, and according to the method described in step 302, to the tachometer value n that next sampling instant gathers
bwith the vehicle speed value v of carrying vehicle
tprocess, and complete the control procedure of next sampling instant to the pump speed of Snow Agent pump.
Said method, is characterized in that: carry out carrying vehicle startup and spray equipment in step 2 when opening, first according to formula
and the spread controling parameters of setting in integrating step one, calculate the recommended vehicle speed v of carrying vehicle
0; In formula (6),
in formula (2), q
bfor Snow Agent pump delivery and its unit is L/r, n
0for constant and n
0=2 ~ 3; n
1for Snow Agent pump desired speed and
wherein n
minn
maxbe respectively minimum speed and the maximum (top) speed of Snow Agent pump; Step 3, carrying vehicle move and Snow Agent spread: described carrying vehicle, at the uniform velocity in movement forward, controls carrying vehicle with speed v
0at the uniform velocity move forward.
The present invention compared with prior art has the following advantages:
1, the emulsion-type Snow Agent distribution vehicle structure adopted is simple, reasonable in design and convenience is laid in processing and fabricating and installation, and input cost is lower.
2, the sprinkling system adopted is the sprinkling system of vehicular, and actual installation is easy, and can conveniently moving.
3, carrying vehicle only need meet walking and carrying demand, and polytype vehicle all can be used as carrying vehicle and uses.
4, the rotating speed of employing AC variable-frequency speed regulation system to Snow Agent pump controls, and not only circuit is simple, realization is convenient, and speed governing is effective, and the rotating speed control accuracy of Snow Agent pump is high.Further, can give full play to the advantage of AC variable-frequency speed regulation system, be controlled by controller to frequency converter, reach the object adjusted the rotating speed of Snow Agent pump, start-up course is convenient, fast, and energy-conservation.
5, the emulsion-type Snow Agent distribution vehicle adopted uses easy and simple to handle, fountain height is easy to adjust, sprinkling is even and dependable performance, sprinkling state are steady, later period maintenance is convenient, maintenance cost is lower, can effectively meet spraying operation quality requirement, the spread quantity of pump speed to Snow Agent being controlled Snow Agent pump by AC variable-frequency speed regulation system is control effectively.
6, the spread job control method step adopted is simple, reasonable in design and realization is convenient, spread quantity control effects is good, according to the real-time speed of a motor vehicle and real-time pump speed, frequency converter is controlled, and when real-time pump speed and theoretical pump speed are not identical, the output frequency value of frequency converter is compensated, with the uniformity of the spread flow and spread that ensure Snow Agent.In actual use procedure, by adjusting the quantity (i.e. spread width) of spread quantity λ and M, just easy and high-quality the spread job control procedure of Snow Agent on road surface can be completed.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of emulsion-type Snow Agent distribution vehicle of the present invention.
Fig. 2 is the schematic block circuit diagram of emulsion-type Snow Agent distribution vehicle of the present invention.
Fig. 3 is the sprinkling view of nozzle of the present invention.
Fig. 4 is the installation site schematic diagram of nozzle of the present invention on spray line.
Fig. 5 is the FB(flow block) of spread job control method of the present invention.
Description of reference numerals:
1-carrying vehicle; 2-touching display screen; 3-Snow Agent pump;
4-motor; 5-generator; 6-drive motors;
7-Snow Agent storage tank; 8-frequency converter; 9-electric control box;
10-cat ladder; 11-spray equipment; 12-controller;
13-rotation speed detection unit; 14-Bus-Speed Monitoring unit; 15-spray line.
Detailed description of the invention
A kind of emulsion-type Snow Agent distribution vehicle as shown in Figure 1 and Figure 2, comprise carrying vehicle 1, be arranged on carrying vehicle 1 and inside be equipped with Snow Agent Snow Agent storage tank 7 and by Snow Agent storage tank 7 fill Snow Agent and be sprayed to sprinkling system on road surface, described sprinkling system is arranged on carrying vehicle 1.Described sprinkling system comprise multiple be installed in carrying vehicle 1 rear portion spray equipment 11, be connected to conveyance conduit between the liquid outlet of Snow Agent storage tank 7 and multiple described spray equipment 11, by Snow Agent storage tank 7 fill the Snow Agent pump 3 that Snow Agent is pumped to multiple described spray equipment 11 and the AC variable-frequency speed regulation system that the pump speed of Snow Agent pump 3 is controlled, described Snow Agent pump 3 is constant displacement pump and it is electrodynamic pump, and described Snow Agent pump 3 is arranged on described conveyance conduit.Multiple described spray equipment 11 to be laid and it is all positioned in same level from left to right along the width of carrying vehicle 1, and multiple described spray equipment 11 is all laid on same straight line, and multiple described spray equipment 11 is in evenly laying.The frequency converter 8 that described AC variable-frequency speed regulation system comprises the rotation speed detection unit 13 of carrying out detecting in real time to the rotating speed of Snow Agent pump 3, the controller 12 controlled the drive motors 6 of Snow Agent pump 3 and connects with controller 12, described controller 12 connects with parameter set unit, described drive motors 6 is asynchronous motor, described frequency converter 8 connects with drive motors 6, and described rotation speed detection unit 13 and drive motors 6 all connect with controller 12.
In the present embodiment, to be provided with in described Snow Agent storage tank 7 its inside fill the mixing plant that Snow Agent stirs, ensure the uniformity of Snow Agent.
During actual use, the quantity of multiple described spray equipment 11 is no less than 10.
Further, cat ladder 10 is equipped with at the rear portion of described Snow Agent storage tank 7.
In the present embodiment, a kind of emulsion-type Snow Agent distribution vehicle of the present invention, also comprise the Bus-Speed Monitoring unit 14 speed of a motor vehicle of carrying vehicle 1 being carried out to detection in real time, described Bus-Speed Monitoring unit 14 connects with controller 12.
In the present embodiment, the structure of multiple described spray equipment 11 is all identical with size, and multiple described spray equipment 11 is nozzle.Multiple described nozzle is installed on the spray line 15 of the laying in level, and described spray line 15 connects with described conveyance conduit and its width along carrying vehicle 1 is laid.
Further, described nozzle is carry out the electronic nozzle of switch control rule by controller 12 and it connects with controller 12.
In the present embodiment, described AC variable-frequency speed regulation system also comprises the display unit connected with controller 12, and described parameter set unit and display unit are all laid in the driver's cabin of carrying vehicle 1.
Further, described parameter set unit and described display unit are integrated into touching display screen 2.During physical cabling, described touching display screen 2 connects with controller 12.
When actual laying is installed, described controller 12 is laid in electric control box 9, and described electric control box 9 is arranged on carrying vehicle 1.
Meanwhile, a kind of emulsion-type Snow Agent distribution vehicle of the present invention, also comprise the generator 5 of powering to drive motors 6 and the motor 4 driven generator 5, described motor 4 is connected with generator 5, and generator 5 is connected with drive motors 6; Described motor 4 and generator 5 are installed on carrying vehicle 1.
In the present embodiment, described motor 4 is the motor that carrying vehicle 1 carries.
During actual use, described motor 4 also can additionally be laid, as miniature gasoline engine etc.
In the present embodiment, described carrying vehicle 1 is chassis vehicle.
In actual use procedure, described carrying vehicle 1 can adopt the vehicle of other type.The effect of described carrying vehicle 1 is as the walking in Snow Agent spread process and bogey.Further, simultaneous display is carried out by described touching display screen 2 pairs of rotation speed detection unit 13 and Bus-Speed Monitoring unit 14 Detection Information.
In the present embodiment, described Snow Agent pump 3 is diaphragm pump.
Because Snow Agent pump 3 is constant displacement pump, thus the discharge capacity of Snow Agent pump 3 is certain, changes the rotating speed (i.e. pump speed) of Snow Agent pump 3, can change the flow of Snow Agent pump 3, thus change the fountain height of described sprinkling system.Described Snow Agent pump 3 is driven by drive motors 6, and is in transmission connection therebetween.In the present embodiment, be in transmission connection between described Snow Agent pump 3 and drive motors 6 by belt, the effect protected Snow Agent pump 3 is played in the skidding of belt, can effectively prevent the rotating speed of Snow Agent pump 3 too high.Described drive motors 6 carries out frequency control by frequency converter 8, changes the output frequency of frequency of supply to frequency converter 6 and adjusts, thus reach the object controlled the rotating speed of drive motors 6 by controller 12.
Described AC variable-frequency speed regulation system is conventional frequency conversion speed-adjusting system, and described controller 12 is single-chip microcomputer, PLC controls or dsp controller, and the control device adopted in existing AC variable-frequency speed regulation system is controller 12 and uses.And, described AC variable-frequency speed regulation system is closed-loop control system, departure can be effectively reduced, to be detected in real time by the rotating speed of rotation speed detection unit 13 pairs of Snow Agent pumps 3 and by detected rotary speed information synchronous driving to controller 12, to be detected in real time by the speed of a motor vehicle of Bus-Speed Monitoring unit 14 pairs of carrying vehicles 1 and by detected rotary speed information synchronous driving to controller 12 simultaneously, controller 12 is adjusted by the rotating speed controlling frequency converter 8 pairs of drive motors 6, thus reaches the object controlled the rotating speed of Snow Agent pump 3.
In actual use procedure, when adopting this emulsion-type Snow Agent distribution vehicle of the present invention to carry out Snow Agent spread, start carrying vehicle 1 at the uniform velocity to move forward need spray on road surface, and carrying vehicle 1 is at the uniform velocity in movement forward, road surface on spraying snow-melting agent need be sprayed by rear to forward direction by described sprinkling system.Actual Snow Agent of carrying out when spraying, by controlling the speed of a motor vehicle of carrying vehicle 1, and is controlled by the rotating speed of described AC variable-frequency speed regulation system to Snow Agent pump 3, just can control effectively need spray the fountain height on road surface to described sprinkling system.Because drive motors 6 is powered by generator 5, generator 5 is driven by motor 4, and thus the spread activity duration of emulsion-type Snow Agent distribution vehicle of the present invention is long, and can carry out spread at night.Meanwhile, described sprinkling system electricity consumption starts, when winter and the ice box use of cold, more convenient, quick.
As shown in Figure 5, when the spread operation of emulsion-type Snow Agent distribution vehicle is controlled, comprise the following steps:
Step one, spread controling parameters set: by described parameter set unit input spread controling parameters, and carry out stores synchronized by controller 12 to inputted spread controling parameters.
The spread controling parameters inputted comprises sample frequency f
0, nozzle spread parameter, the quantity M of spray equipment 11 need be opened and the spread quantity λ of Snow Agent on road surface need be sprayed, wherein sample frequency f
0for the sample frequency of rotation speed detection unit 13, spread quantity λ every square metre of road surface needs the volume of spraying snow-melting agent and its unit is L/m
2; The M that need open a described spray equipment 11 is in evenly laying.
In described sprinkling system, the quantity of included spray equipment 11 is N number of, M and N is positive integer and M≤N; In described sprinkling system, the structure of N number of described spray equipment 11 is all identical with size, and N number of described spray equipment 11 is nozzle; Multiple described nozzle is installed on the spray line 15 of the laying in level, and described spray line 15 connects with described conveyance conduit and its width along carrying vehicle 1 is laid;
Composition graphs 3 and Fig. 4, described nozzle spread parameter comprises nozzles spray angle [alpha], nozzle spread height H and nozzle anglec of rotation β, and the nozzle spread parameter of the M that need open a described spray equipment 11 is all identical; Wherein, nozzles spray angle [alpha] is the spray angle of described nozzle, and nozzle spread height H is the height off the ground of described nozzle and its unit is m, and nozzle anglec of rotation β is the angle between the open centre line of described nozzle and spray line 15 axis.
Described carrying vehicle 1 is equipped with the Bus-Speed Monitoring unit 14 its speed of a motor vehicle being carried out to detection in real time, described Bus-Speed Monitoring unit 14 connects with controller 12; The sample frequency of described Bus-Speed Monitoring unit 14 is identical with the sample frequency of rotation speed detection unit 13.
In the present embodiment, nozzles spray angle [alpha] is the sprinkling segment angle of described nozzle.
In the present embodiment, described nozzle is slit nozzle, and the Snow Agent shape that described slit nozzles spray goes out is fan-shaped.
Step 2, carrying vehicle start and spray equipment is opened: start carrying vehicle 1, and carrying vehicle 1 is at the uniform velocity moved forward need spray on road surface, open in described sprinkling system M the described spray equipment 11 needing to open simultaneously.
Step 3, carrying vehicle move and Snow Agent spread: described carrying vehicle 1 is at the uniform velocity in movement forward, by M described spray equipment 11, need spray spraying snow-melting agent on road surface by rear to forward direction;
In sprinkling process, described rotation speed detection unit 13 and Bus-Speed Monitoring unit 14 detect in real time to the rotating speed of Snow Agent pump 3 and the speed of a motor vehicle of carrying vehicle 1 respectively, and by institute's Detection Information synchronous driving to controller 12, controller 12 controls according to the pump speed of the Detection Information received to Snow Agent pump 3, and process is as follows:
Step 301, signals collecting: according to the sample frequency f of setting in step one
0described controller 12 call signal acquisition module or (rotation speed detection unit 13 and Bus-Speed Monitoring unit 14 all connect with described signal sample circuit by signal sample circuit, and described signal sample circuit connects with controller 12), the tach signal detect now rotation speed detection unit 13 and Bus-Speed Monitoring unit 14 and GES synchronously gather, and the tachometer value n of Snow Agent pump 3 that will collect
bwith the vehicle speed value v of carrying vehicle 1
tsynchronous driving is to controller 12;
Step 302, signal transacting and Snow Agent pump control: described controller 12 call signal processing module, to the tachometer value n of the Snow Agent pump 3 collected in step 301
bwith the vehicle speed value v of carrying vehicle 1
tcarry out processing and draw Frequency Converter Control parameter, then controlling according to the drive motors 6 of Motor control parameters to Snow Agent pump 3 drawn, process is as follows:
Step 3021, theoretical pump speed calculate: according to formula
and the vehicle speed value v of carrying vehicle 1 collected in the spread controling parameters of setting in integrating step one and step 301
t, calculate the theoretical rotational speed n of now drive motors 6
t;
In formula (1),
in formula (2), q
bfor the discharge capacity of Snow Agent pump 3 and its unit is L/r (namely rises/turn), n
0for constant and n
0=2 ~ 3; Wherein, n
0for the overlapping number of plies of Snow Agent when M described spray equipment 11 sprays;
Step 3022, frequency converter output frequency value calculate: according to formula
and the vehicle speed value v of the carrying vehicle 1 collected in the spread controling parameters of setting in integrating step one, step 301
twith the k calculated in step 3021, calculate the output frequency value f of frequency converter 8; In formula (4),
wherein p is the number of pole-pairs of drive motors 6, and s is the revolutional slip of drive motors 6, i
bMfor drive motors 6 and the gearratio of Snow Agent pump 3;
Step 3023, frequency converter output frequency compensate: according to formula
the tachometer value n of the Snow Agent pump 3 collected in integrating step 301
b, calculate the output frequency value f after the output frequency value f of the frequency converter 8 calculated in step 3022 is compensated
r; Wherein, the output frequency value f after compensation
rfor the Frequency Converter Control parameter calculated;
Step 3024, frequency converter output frequency adjust: according to the output frequency value f after the compensation calculated in step 3023
r, and control frequency converter 8 by controller 12, the output frequency of frequency converter 8 is adjusted to f
r, complete now to the control procedure of the pump speed of Snow Agent pump 3;
Step 303, return step 301, and according to the method described in step 302, to the tachometer value n that next sampling instant gathers
bwith the vehicle speed value v of carrying vehicle 1
tprocess, and complete the control procedure of next sampling instant to the pump speed of Snow Agent pump 3.
In the present embodiment, drive motors 6 described in step 3022 and the gearratio of Snow Agent pump 3 are the rotating speed of described drive motors 6 and the ratio of the rotating speed of Snow Agent pump 3.
In the present embodiment, carry out carrying vehicle startup and spray equipment in step 2 when opening, first according to formula
and the spread controling parameters of setting in integrating step one, calculate the recommended vehicle speed v of carrying vehicle 1
0; In formula (6),
in formula (2), q
bfor Snow Agent pump 3 discharge capacity and its unit is L/r, n
0for constant and n
0=2 ~ 3; n
1for Snow Agent pump 3 desired speed and
wherein n
minn
maxbe respectively minimum speed and the maximum (top) speed of Snow Agent pump 3; Step 3, carrying vehicle move and Snow Agent spread: described carrying vehicle 1, at the uniform velocity in movement forward, controls carrying vehicle 1 with speed v
0at the uniform velocity move forward.
From formula (4), there is one-to-one relationship in the output frequency value of frequency converter 8 and the real-time speed of a motor vehicle (i.e. Bus-Speed Monitoring unit 14 detect speed information).From formula (5), the output frequency value f of the frequency converter after compensation
r, with the real-time speed of a motor vehicle and real-time pump speed n
b(i.e. rotation speed detection unit 13 detect speed information) meets corresponding relation.In actual use procedure, according to the real-time speed of a motor vehicle and real-time pump speed, frequency converter 8 is controlled, and when real-time pump speed and theoretical pump speed are not identical, the output frequency value of frequency converter 8 is compensated, with the uniformity of the spread flow and spread that ensure Snow Agent.In actual use procedure, by adjusting the quantity (i.e. spread width) of spread quantity λ and M, just easy and high-quality the spread job control procedure of Snow Agent on road surface can be completed.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solution of the present invention.
Claims (10)
1. an emulsion-type Snow Agent distribution vehicle, it is characterized in that: comprise carrying vehicle (1), be arranged on the upper and inside of carrying vehicle (1) be equipped with Snow Agent Snow Agent storage tank (7) and by Snow Agent storage tank (7) fill Snow Agent and be sprayed to sprinkling system on road surface, described sprinkling system is arranged on carrying vehicle (1), described sprinkling system comprises multiple spray equipment (11) being installed in carrying vehicle (1) rear portion, be connected to the conveyance conduit between the liquid outlet of Snow Agent storage tank (7) and multiple described spray equipment (11), by in Snow Agent storage tank (7) fill the Snow Agent pump (3) that Snow Agent is pumped to multiple described spray equipment (11) and the AC variable-frequency speed regulation system that the pump speed of Snow Agent pump (3) is controlled, described Snow Agent pump (3) is for constant displacement pump and it is electrodynamic pump, described Snow Agent pump (3) is arranged on described conveyance conduit, multiple described spray equipment (11) to be laid and it is all positioned in same level from left to right along the width of carrying vehicle (1), multiple described spray equipment (11) is all laid on same straight line, and multiple described spray equipment (11) is in evenly laying, described AC variable-frequency speed regulation system comprises the rotation speed detection unit (13) of the rotating speed of Snow Agent pump (3) being carried out to detection in real time, the controller (12) that the drive motors (6) of Snow Agent pump (3) is controlled and the frequency converter (8) connected with controller (12), described controller (12) connects with parameter set unit, described drive motors (6) is asynchronous motor, described frequency converter (8) connects with drive motors (6), described rotation speed detection unit (13) and drive motors (6) all connect with controller (12).
2. according to a kind of emulsion-type Snow Agent distribution vehicle according to claim 1, it is characterized in that: also comprise the Bus-Speed Monitoring unit (14) speed of a motor vehicle of carrying vehicle (1) being carried out to detection in real time, described Bus-Speed Monitoring unit (14) connects with controller (12).
3. according to a kind of emulsion-type Snow Agent distribution vehicle described in claim 1 or 2, it is characterized in that: the structure of multiple described spray equipment (11) is all identical with size, and multiple described spray equipment (11) is nozzle; Multiple described nozzle is installed on the spray line (15) of the laying in level, and described spray line (15) connects with described conveyance conduit and its width along carrying vehicle (1) is laid.
4. according to a kind of emulsion-type Snow Agent distribution vehicle according to claim 3, it is characterized in that: described nozzle is carry out the electronic nozzle of switch control rule by controller (12) and it connects with controller (12).
5. according to a kind of emulsion-type Snow Agent distribution vehicle described in claim 1 or 2, it is characterized in that: described AC variable-frequency speed regulation system also comprises the display unit connected with controller (12), and described parameter set unit and display unit are all laid in the driver's cabin of carrying vehicle (1); To be provided with in described Snow Agent storage tank (7) its inside fill the mixing plant that Snow Agent stirs.
6. according to a kind of emulsion-type Snow Agent distribution vehicle described in claim 1 or 2, it is characterized in that: also comprise the generator (5) that drive motors (6) is powered and the motor (4) that generator (5) is driven, described motor (4) is connected with generator (5), and generator (5) is connected with drive motors (6); Described motor (4) and generator (5) are installed on carrying vehicle (1).
7., according to a kind of emulsion-type Snow Agent distribution vehicle described in claim 1 or 2, it is characterized in that: described carrying vehicle (1) is chassis vehicle.
8. according to a kind of emulsion-type Snow Agent distribution vehicle described in claim 1 or 2, it is characterized in that: described Snow Agent pump (3) is diaphragm pump.
9., to the method that the spread operation of emulsion-type Snow Agent distribution vehicle as claimed in claim 1 controls, it is characterized in that the method comprises the following steps:
Step one, spread controling parameters set: by described parameter set unit input spread controling parameters, and carry out stores synchronized by controller (12) to inputted spread controling parameters;
The spread controling parameters inputted comprises sample frequency f
0, nozzle spread parameter, the quantity M of spray equipment (11) and the spread quantity λ of Snow Agent on road surface, wherein sample frequency f need be sprayed need be opened
0for the sample frequency of rotation speed detection unit (13), spread quantity λ every square metre of road surface needs the volume of spraying snow-melting agent and its unit is L/m
2; The M that need open a described spray equipment (11) is in evenly laying;
In described sprinkling system, the quantity of included spray equipment (11) is N number of, M and N is positive integer and M≤N; In described sprinkling system, the structure of N number of described spray equipment (11) is all identical with size, and N number of described spray equipment (11) is nozzle; Multiple described nozzle is installed on the spray line (15) of the laying in level, and described spray line (15) connects with described conveyance conduit and its width along carrying vehicle (1) is laid;
Described nozzle spread parameter comprises nozzles spray angle [alpha], nozzle spread height H and nozzle anglec of rotation β, and the nozzle spread parameter of the M that need open a described spray equipment (11) is all identical; Wherein, nozzles spray angle [alpha] is the spray angle of described nozzle, and nozzle spread height H is the height off the ground of described nozzle and its unit is m, and nozzle anglec of rotation β is the angle between the open centre line of described nozzle and spray line (15) axis;
Described carrying vehicle (1) is equipped with the Bus-Speed Monitoring unit (14) its speed of a motor vehicle being carried out to detection in real time, described Bus-Speed Monitoring unit (14) connects with controller (12); The sample frequency of described Bus-Speed Monitoring unit (14) is identical with the sample frequency of rotation speed detection unit (13);
Step 2, carrying vehicle start and spray equipment is opened: start carrying vehicle (1), and carrying vehicle (1) is at the uniform velocity moved forward need spray on road surface, open in described sprinkling system M the described spray equipment (11) needing to open simultaneously;
Step 3, carrying vehicle move and Snow Agent spread: described carrying vehicle (1) is at the uniform velocity in movement forward, by M described spray equipment (11), need spray spraying snow-melting agent on road surface by rear to forward direction;
In sprinkling process, described rotation speed detection unit (13) and Bus-Speed Monitoring unit (14) detect in real time to the rotating speed of Snow Agent pump (3) and the speed of a motor vehicle of carrying vehicle (1) respectively, and by institute's Detection Information synchronous driving to controller (12), controller (12) controls according to the pump speed of Detection Information to Snow Agent pump (3) received, and process is as follows:
Step 301, signals collecting: according to the sample frequency f of setting in step one
0described controller (12) call signal acquisition module or pass through signal sample circuit, the tach signal detect now rotation speed detection unit (13) and Bus-Speed Monitoring unit (14) and GES synchronously gather, and the tachometer value n of Snow Agent pump (3) that will collect
bwith the vehicle speed value v of carrying vehicle (1)
tsynchronous driving is to controller (12);
Step 302, signal transacting and Snow Agent pump control: described controller (12) call signal processing module, to the tachometer value n of the Snow Agent pump (3) collected in step 301
bwith the vehicle speed value v of carrying vehicle (1)
tcarry out processing and draw Frequency Converter Control parameter, then controlling according to the drive motors (6) of Motor control parameters to Snow Agent pump (3) drawn, process is as follows:
Step 3021, theoretical pump speed calculate: according to formula
(1) the vehicle speed value v of the carrying vehicle (1) collected in the spread controling parameters of setting, and in integrating step one and step 301
t, calculate the theoretical rotational speed n of now drive motors (6)
t;
In formula (1),
(2); In formula (2), q
bfor Snow Agent pump (3) discharge capacity and its unit is L/r, n
0for constant and n
0=2 ~ 3;
Step 3022, frequency converter output frequency value calculate: according to formula
(4) the vehicle speed value v of the carrying vehicle (1) collected in the spread controling parameters of setting, and in integrating step one, step 301
twith the k calculated in step 3021, calculate the output frequency value f of frequency converter (8); In formula (4),
wherein p is the number of pole-pairs of drive motors (6), and s is the revolutional slip of drive motors (6), i
bMfor drive motors (6) and the gearratio of Snow Agent pump (3);
Step 3023, frequency converter output frequency compensate: according to formula
(5) the tachometer value n of the Snow Agent pump (3), collected in integrating step 301
b, calculate the output frequency value f after the output frequency value f of the frequency converter calculated in step 3022 (8) is compensated
r; Wherein, the output frequency value f after compensation
rfor the Frequency Converter Control parameter calculated;
Step 3024, frequency converter output frequency adjust: according to the output frequency value f after the compensation calculated in step 3023
r, and control frequency converter (8) by controller (12), the output frequency of frequency converter (8) is adjusted to f
r, complete now to the control procedure of the pump speed of Snow Agent pump (3);
Step 303, return step 301, and according to the method described in step 302, to the tachometer value n that next sampling instant gathers
bwith the vehicle speed value v of carrying vehicle (1)
tprocess, and complete the control procedure of next sampling instant to the pump speed of Snow Agent pump (3).
10. in accordance with the method for claim 9, it is characterized in that: carry out carrying vehicle startup and spray equipment in step 2 when opening, first according to formula
(6), and the spread controling parameters of setting in integrating step one, calculate the recommended vehicle speed v of carrying vehicle (1)
0; In formula (6),
(2); In formula (2), q
bfor Snow Agent pump (3) discharge capacity and its unit is L/r, n
0for constant and n
0=2 ~ 3; n
1for Snow Agent pump (3) desired speed and
wherein n
minn
maxbe respectively minimum speed and the maximum (top) speed of Snow Agent pump (3); Step 3, carrying vehicle move and Snow Agent spread: described carrying vehicle (1), at the uniform velocity in movement forward, controls carrying vehicle (1) with speed v
0at the uniform velocity move forward.
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| CN201510193551.9A CN104790337B (en) | 2015-04-22 | 2015-04-22 | A kind of emulsion-type Snow Agent distribution vehicle spread job control method |
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| CN106677113A (en) * | 2017-03-08 | 2017-05-17 | 威海广泰空港设备股份有限公司 | Airport spray vehicle |
| CN106873650A (en) * | 2017-03-08 | 2017-06-20 | 威海广泰空港设备股份有限公司 | Distribution vehicle sprays flow control system |
| CN110629632A (en) * | 2018-06-25 | 2019-12-31 | 中冶京诚工程技术有限公司 | Highway ice and snow melting system based on movable energy storage device |
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| CN104790337B (en) | 2016-08-24 |
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