CN103088778B - Watering cart flushing control device, system and method and watering cart - Google Patents

Watering cart flushing control device, system and method and watering cart Download PDF

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CN103088778B
CN103088778B CN201310049657.2A CN201310049657A CN103088778B CN 103088778 B CN103088778 B CN 103088778B CN 201310049657 A CN201310049657 A CN 201310049657A CN 103088778 B CN103088778 B CN 103088778B
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engine
signal
rotating speed
engine speed
speed
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CN103088778A (en
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张涛
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Changsha Zoomlion Environmental Industry Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Abstract

The invention discloses a flushing control device, a flushing control system and a flushing control method for a sprinkler and the sprinkler. The device comprises: a receiver for receiving a water spray width set value signal; and the controller is connected with the receiver and used for calculating the rotating speed of the engine according to the set value of the water spraying width and the functional relation between the set value of the water spraying width and the rotating speed of the engine and controlling the engine to operate at the calculated rotating speed of the engine. The sprinkler flushing control device provided by the invention can set different sprinkling widths according to actual road conditions, and control the flow of water output from the water pump by controlling the rotating speed of the engine, so that the sprinkling width is kept at the set value, and the reasonable utilization of water resources is realized.

Description

A kind of sprinkling truck flushing control device, system, method and sprinkling truck
Technical field
The present invention relates to engineering truck, particularly, relate to a kind of sprinkling truck flushing control device, system, method and comprise the sprinkling truck of described system.
Background technology
Sprinkling truck is the clean widely used a kind of engineering truck in city.During operation, with nozzle, the rubbish on road surface is rinsed to curb, sewage flows away along the drain hole of curb, and rubbish is by artificial or mechanical collection.In operation process, too far if water is rushed, on the road surface without greenbelt, can to the pedestrian on sidewalk, disturb greatly, rubbish and sewage splash everywhere; And on the road surface that has greenbelt, rubbish can be sprayed in greenbelt, be not easy to collect, and to environment.If water is rushed excessively closely, can bring the halfway problem of cleaning, therefore, rinsing width is a key parameter on sprinkling truck.
Fig. 1 shows existing sprinkling truck structure chart.As shown in Figure 1, sprinkling truck engine in situ 1 drives water pump 7 runnings by the engagement of power takeoff 2, and the water tank 8 filling on sprinkling truck is taken from water source; When left water valve 3 or right water valve 4 are opened, left nozzle 5 or right nozzle 6 are sprinkled water, so that the rubbish on road surface is rinsed to curb.
Fig. 2 shows existing sprinkling truck circuit diagram.Power supply GB is taken to chassis vehicle storage battery, through power protection (as insurance FU), provides electric power for each control circuit.Power take-off valve S 1closure, power takeoff electromagnetic gas valve YV 1must be electric, the engagement of cylinder action power takeoff 2, motor 1 drives water pump 7 runnings; Power take-off valve S 1disconnect power takeoff electromagnetic gas valve YV 1dead electricity, the separation of cylinder reverse action power takeoff 2, motor 1 is thrown off, and water pump 7 does not turn round.Left watering switch S 2or right watering switch S 3closure, left watering electromagnetic gas valve YV 2or right watering electromagnetic gas valve YV 3must be electric, the left water valve 3 of cylinder action drives or right water valve 4 are opened, corresponding left nozzle 5 or right nozzle 6 water sprays; Left watering switch S 2or right watering switch S 3disconnect left watering electromagnetic gas valve YV 2or right watering electromagnetic gas valve YV 3dead electricity, cylinder reverse action drives left water valve 3 or right water valve 4 to close, and corresponding left nozzle 5 or right nozzle 6 stop water spray.
By Fig. 1 and Fig. 2, can find out, existing sprinkling truck is utilize electric control electromagnetic gas valve logical and disconnected, and thus, valve is standard-sized sheet or complete shut-down under the promotion of cylinder.In other conditions situation of constant (as, engine speed), the constant width of nozzle watering, cannot realize according to real road and regulate watering width, causes the waste of water resource.In addition, in engine speed, change (, pump rotary speed variation) in situation, watering width is directly proportional to engine speed, that is to say, the narrower disadvantage of width that existing sprinkling truck exists the speed of a motor vehicle to sprinkle water sooner, and width is wider, the speed of a motor vehicle is sprinkled water more slowly, cannot realize the watering width that keeps suitable in the situation that the speed of a motor vehicle changes.
Summary of the invention
The object of this invention is to provide a kind of sprinkling truck flushing control device, system, method and comprise the sprinkling truck of described system, to realize the control to watering width.
To achieve these goals, the invention provides a kind of sprinkling truck flushing control device, this device comprises: receiver, for receiving watering width duty setting signal; And controller, be connected with described receiver, for the functional relation calculation engine rotating speed setting value according to described watering width and this is sprinkled water between width setting value and engine speed, the engine speed running of control engine to be calculated.
The present invention also provides a kind of sprinkling truck to rinse control system, and this system comprises: watering width setting device, for watering width is set; And above-mentioned sprinkling truck flushing control device, be connected with described watering width setting device.
The present invention also provides a kind of and comprises that above-mentioned sprinkling truck rinses the sprinkling truck of control system.
The present invention also provides a kind of sprinkling truck flush control method, and the method comprises: receive watering width duty setting signal; According to the functional relation calculation engine rotating speed between described watering width setting value and this watering width setting value and engine speed; And the engine speed running of control engine to be calculated.
In technique scheme, can set different watering width according to road actual conditions, by control engine rotating speed, control from the flow of the water of water pump output, with this, realize watering width is remained on to its setting value, thereby realize the reasonable utilization to water resource.
Other features and advantages of the present invention partly in detail are described the specific embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for manual, is used from explanation the present invention, but is not construed as limiting the invention with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is existing sprinkling truck structure chart;
Fig. 2 is existing sprinkling truck circuit diagram;
Fig. 3 is the structure chart of sprinkling truck flushing control device according to the embodiment of the present invention;
Fig. 4 is according to the structure chart of the sprinkling truck flushing control device of another embodiment of the invention;
Fig. 5 is the structure chart of sprinkling truck flushing control system according to the embodiment of the present invention; And
Fig. 6 is according to the flow chart of sprinkling truck of the present invention flush control method.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
Fig. 3 is the structure chart of sprinkling truck flushing control device according to the embodiment of the present invention.As shown in Figure 3, this device 10 can comprise: receiver 101, for receiving watering width duty setting signal; And controller 102, be connected with described receiver 101, for the functional relation calculation engine rotating speed setting value according to described watering width and this is sprinkled water between width setting value and engine speed, the engine speed running of control engine to be calculated.In this case, the gas pedal of motor is in failure state, and the rotating speed of motor is controlled by described controller 102.
Particularly, the horizontal-jet distance D=K1 * V of nozzle (5 or 6), wherein V is that muzzle velocity, K1 are factor of proportionality.In nozzle opening and the constant situation of terrain clearance, muzzle velocity V is directly proportional to the flow Q in playpipe, and horizontal-jet distance D is directly proportional to the flow Q in playpipe.The water pump 7 on sprinkling truck is centrifugal water pump, the flow Q=K2 * n in playpipe, and wherein K2 is factor of proportionality, n is the rotating speed of water pump 7.Water pump 7 drives running by motor 1 by power takeoff 2, therefore, the watering width D on sprinkling truck is directly proportional to the rotating speed of motor 1, that is to say, once set watering width D, just can calculate corresponding engine speed according to the functional relation between watering width D and engine speed.
Thus, can control from the flow of the water of water pump output by control engine rotating speed, with this, realize watering width is remained on to its setting value, thereby realize the reasonable utilization to water resource.
Controller 102 can further comprise external control unit 1021 and engine electric-controlled unit (ECU) 1022, as shown in Figure 4.External control unit 1021 is for sending the control signal relevant with engine speed to ECU1022, and described ECU1022 is used for according to this control signal control engine rotating speed.Wherein, the control signal relevant with engine speed can be for example that calculated engine speed, the magnitude of voltage corresponding with the engine speed calculating are (common, rotating speed is higher, and corresponding magnitude of voltage is larger), or represent the code etc. of the engine speed calculate.
For example, ECU1022 can have long-range throttle port, when external control unit 1021 sends the magnitude of voltage corresponding with calculated engine speed to this ECU, this external control unit 1021 can be loaded into this magnitude of voltage this long-range throttle port of ECU1022, with control engine rotating speed.In this case, external control unit 1021 can be used as the long-range throttle of control engine rotating speed.
Alternatively, ECU1022 can have CAN COM1, external control unit 1021 converts calculated engine speed value to code, by CAN bus, this code is sent to ECU1022, and the code that ECU1022 contains tachometer value by this is controlled transmitter and run to corresponding rotating speed.In this case, external control unit 1021 can carry out control engine rotating speed by CAN communication modes.
In addition, receiver 101 is also for receiving the current rotating speed of motor, and described external control unit 1021 is also for the engine speed that relatively calculates and the received current rotating speed of motor, in the situation that the current rotating speed of received motor is greater than calculated engine speed, external control unit 1021 sends the control signal relevant with reducing engine speed to ECU1022; And in the situation that the received current rotating speed of motor is less than calculated engine speed, external control unit 1021 sends the control signal relevant with increasing engine speed to ECU1022.Thus, can realize watering width is controlled more accurately.
For example, the control signal relevant with reducing engine speed can comprise any one in following: the slippage of engine speed, the switching value etc. that reduces transmitter rotating speed with magnitude of voltage corresponding to the slippage of described engine speed and indication.The control signal relevant with increasing engine speed can comprise any one in following: the recruitment of engine speed, with magnitude of voltage corresponding to the recruitment of described engine speed and the switching value of indication increase transmitter rotating speed etc.
For example, ECU1022 can have PTO(power take off---power output) and receiver port, when external control unit 1021 send that indication reduces or the switching value signal that increases transmitter rotating speed (for example, PTO pulse signal) time, this external control unit 1021 arrives described PTO receiver port by this switching value signal loading, described ECU1022 often receives the switching value signal that once increases or reduce engine speed, and ECU1022 increases or reduce a preset value with regard to control engine rotating speed.In this case, external control unit 1021 can pass through PTO mode control engine rotating speed.
By above-mentioned numerous embodiments, all can realize the adjustment to engine speed, user can select suitable speed regulating method according to the actual requirements.
It should be noted that gas pedal all the time in failure state, that is, realizes the control to rotating speed by controller 102 in the process of above-mentioned sprinkling truck flushing control device 10 work.When special circumstances need Artificial Control engine speed if occur, due to the inefficacy of gas pedal, cannot be achieved, have very large potential safety hazard.Therefore, in sprinkling truck provided by the invention flushing control device 10, receiver 101 is also for receiving disablement signal, and described controller 102 is also in the situation that receiving described disablement signal, control described motor and turn round with minimum engine speed, and make engine throttle pedal effective.Wherein, described disablement signal can comprise at least one in following signal: represent to step on the signal of brake pedal, the signal that clutch is stepped in expression and the signal that represents to step on exhaust brake.So, when needs are transformed into Artificial Control rotating speed pattern from controller 102 control rotating speed patterns, can be by stepping on brake pedal, step on clutch or step on exhaust brake and make that controller 102 lost efficacy, engine throttle pedal is effective, with this, return to Artificial Control rotating speed pattern, reduce potential safety hazard.In addition, in order to guarantee that engine running does not stop when controller 102 lost efficacy, controller 102 is in the situation that receiving described disablement signal, control described motor and turn round with minimum engine speed, wherein, this minimum engine speed is for example engine idle value.
Fig. 5 rinses the structure chart of control system according to the sprinkling truck of one embodiment of the present invention.As shown in Figure 5, this system can comprise: watering width setting device 20, for watering width is set; And above-mentioned sprinkling truck flushing control device 10, be connected with described watering width setting device 20.Wherein, described watering width setting device 20 can be potentiometer, many grades of selector switches or electronic settings device.The watering width that can set watering width setting device 20 limits, and makes it between minimum value and maximum value, and wherein, being less than maximum value is in order to limit maximum engine rotation speed, thereby prevents that over speed of rotation from damaging power takeoff; Being greater than minimum value is in order to guarantee effectively to rinse ground, prevents the waste water resource without the watering of impact force.
Described system can also comprise disablement signal setter 30, is connected, for given disablement signal with described control device 10; And described control device 10 is also in the situation that receiving described disablement signal, control engine turns round with minimum engine speed, and makes engine throttle pedal effective, reduces potential safety hazard.
In addition, described system can also comprise watering operation switch 40, is connected, for sending watering operation signal with described control device 10; And described control device 10 is also for carrying out work described watering operation switch 40 closure in the situation that, and in the situation that described watering operation switch 40 disconnects, stop sprinkling water operation control engine turn round with minimum engine speed.
Fig. 6 is according to the flow chart of sprinkling truck of the present invention flush control method.As shown in Figure 6, described method comprises: step 601, receives watering width duty setting signal; Step 602, according to the functional relation calculation engine rotating speed between described watering width setting value and this watering width setting value and engine speed; And step 603, the engine speed running of control engine to be calculated.
In addition, described method can also comprise: step 604, judges whether to receive disablement signal; In the situation that not receiving disablement signal, carry out step 602, and in the situation that receiving disablement signal, carry out step 605, control described motor and turn round with minimum engine speed, and make engine throttle pedal effective.
Described method can also comprise: before carry out step 601, first judge whether to receive watering operation signal (step 606), in the situation that receiving watering operation signal, carry out step 601; And in the situation that not receiving watering operation signal, continue to wait for, until receive watering operation signal.In addition, described method can also comprise: after carry out step 603, judge whether to receive and turn-off watering operation signal (step 607), in the situation that receiving shutoff watering operation signal, stop watering (step 608), carry out step 605 afterwards; And in the situation that not receiving shutoff watering operation signal, be back to step 604.
Thus, by sprinkling truck provided by the invention flushing control device, system, method with comprise the sprinkling truck of described system, can set different watering width according to road actual conditions, by control engine rotating speed, control from the flow of the water of water pump output, with this, realize watering width is remained on to its setting value, thereby realize the reasonable utilization to water resource.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present invention, also can be combined, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims (8)

1. a sprinkling truck flushing control device, is characterized in that, this device comprises:
Receiver, for receiving watering width duty setting signal and the current rotating speed of motor; And
Controller, is connected with described receiver, for the functional relation calculation engine rotating speed setting value according to described watering width and this is sprinkled water between width setting value and engine speed, and comprises external control unit and engine electric-controlled unit,
Wherein, the engine speed that described external control unit calculates for comparison and the received current rotating speed of motor, in the situation that the current rotating speed of received motor is greater than calculated engine speed, described external control unit sends the switching value signal that reduces engine speed to described engine electric-controlled unit, with control engine rotating speed, reduce a preset value, and in the situation that the received current rotating speed of motor is less than calculated engine speed, described external control unit sends the switching value signal that increases engine speed to described engine electric-controlled unit, with control engine rotating speed, increase a preset value.
2. device according to claim 1, is characterized in that,
Described receiver is also for receiving disablement signal; And
Described controller, also in the situation that receiving described disablement signal, is controlled described motor and is turned round with minimum engine speed, and makes engine throttle pedal effective.
3. device according to claim 2, is characterized in that, described disablement signal comprises at least one in following signal: represent to step on the signal of brake pedal, the signal that clutch is stepped in expression and the signal that represents to step on exhaust brake.
4. sprinkling truck rinses a control system, it is characterized in that, this system comprises:
Watering width setting device, for arranging watering width; And
According to the sprinkling truck flushing control device described in any one claim in claim 1-3, be connected with described watering width setting device.
5. a sprinkling truck that comprises system according to claim 4.
6. a sprinkling truck flush control method, is characterized in that, the method comprises:
Receive watering width duty setting signal and the current rotating speed of motor;
According to the functional relation calculation engine rotating speed between described watering width setting value and this watering width setting value and engine speed; And
The engine speed relatively calculating and the received current rotating speed of motor;
In the situation that the current rotating speed of received motor is greater than calculated engine speed, send the switching value signal that reduces engine speed, with control engine rotating speed, reduce a preset value; And
In the situation that the current rotating speed of received motor is less than calculated engine speed, send the switching value signal that increases engine speed, with control engine rotating speed, increase a preset value.
7. method according to claim 6, is characterized in that, the method also comprises:
Receive disablement signal; And
In the situation that receiving described disablement signal, control described motor and turn round with minimum engine speed, and make engine throttle pedal effective.
8. method according to claim 7, is characterized in that, described disablement signal comprises at least one in following signal: represent to step on the signal of brake pedal, the signal that clutch is stepped in expression, the signal that represents to step on exhaust brake.
CN201310049657.2A 2013-02-07 2013-02-07 Watering cart flushing control device, system and method and watering cart Active CN103088778B (en)

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Publication number Priority date Publication date Assignee Title
CN103850215B (en) * 2014-03-19 2016-06-15 中联重科股份有限公司 Watering cart flushing control device, system and method and watering cart
CN110219274B (en) * 2019-04-24 2023-06-09 酷哇科技有限公司 Automatic control method and system of sprinkler and sprinkler
CN111515047A (en) * 2020-05-07 2020-08-11 福建龙马环卫装备股份有限公司 Intelligent control method for operation mode of sprinkler

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