CN111197294A - Cleaning vehicle and waterway control device thereof - Google Patents
Cleaning vehicle and waterway control device thereof Download PDFInfo
- Publication number
- CN111197294A CN111197294A CN201811378212.8A CN201811378212A CN111197294A CN 111197294 A CN111197294 A CN 111197294A CN 201811378212 A CN201811378212 A CN 201811378212A CN 111197294 A CN111197294 A CN 111197294A
- Authority
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- China
- Prior art keywords
- water pressure
- plunger pump
- water
- value
- processing unit
- 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.)
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Classifications
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- 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
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/10—Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus ; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud
- E01H1/101—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/08—Regulating by delivery pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed
Abstract
The invention relates to a cleaning vehicle and a waterway control device thereof, belonging to the technical field of cleaning by adopting injection force, the waterway control device comprises a water pressure setting device, an information processing unit, a motor controller and a pressure sensor connected with the information processing unit, the water pressure setting device is used for setting the water pressure of plunger pump water in the cleaning vehicle, the pressure sensor is used for detecting the water pressure of plunger pump water in the cleaning vehicle, the information processing unit is used for comparing the deviation of the actual water pressure value of the plunger pump water and a set value in real time, the motor controller is used for adjusting the motor rotating speed of the plunger pump in real time according to the deviation, so that the deviation of the actual water pressure value of the plunger pump water and the set value is gradually reduced until the actual water pressure value is equal to the set value, thereby avoiding poor cleaning effect of road sections with poor road conditions and relatively large water pressure value of road sections with good road conditions, the waste of pressure and hydraulic resources is caused, and the maximum economic benefit required immediately is realized.
Description
Technical Field
The invention belongs to the technical field of cleaning by adopting jet force, and particularly relates to a cleaning vehicle and a waterway control device thereof.
Background
At present, when a known cleaning vehicle performs high-pressure cleaning operation, a high-pressure water pump (namely a plunger pump) is usually started to perform cleaning operation, but a water source output from the high-pressure water pump is difficult to realize constant pressure, so that water pressure is unstable and cannot be controlled, and therefore, the sanitation vehicle cannot select a required water pressure value according to actual working road conditions in the operation process, so that the road section cleaning effect of poor road conditions and the road section water pressure value of good road conditions are relatively large, waste of pressure and water power resources is caused, and the maximization of the cleaning effect of the cleaning vehicle cannot be realized in the whole working process of high-pressure cleaning.
Disclosure of Invention
The invention aims to provide a cleaning vehicle and a waterway control device thereof, which are used for solving the problems that the prior art can not select a required water pressure value according to the actual working road condition, so that the cleaning effect of a road section with poor road condition is poor, the water pressure value of the road section with good road condition is relatively large, and the waste of pressure and hydraulic resources is caused.
In order to solve the technical problems, the invention provides a waterway control device of a cleaning vehicle, which comprises a water pressure setting device, an information processing unit, a motor controller and a pressure sensor connected with the information processing unit, wherein the water pressure setting device is used for setting the water pressure of water pumped out by a plunger in the cleaning vehicle according to road condition information of a road surface to be cleaned, the pressure sensor is used for detecting the actual water pressure of the water pumped out by the plunger in the cleaning vehicle, the information processing unit is used for comparing the deviation of the actual water pressure value of the water output by the plunger pump with a set value in real time, and the motor controller is used for adjusting the motor rotating speed of the plunger pump according to the deviation of the actual water pressure value and the set value so as to gradually reduce the deviation of the actual water pressure value and the set value of the water output by the plunger pump until the actual water pressure.
In order to solve the technical problem, the invention further provides a cleaning vehicle comprising the water path control device.
According to the invention, the water pressure control of the plunger pump water in the cleaning vehicle is realized through the water path control device, the water pressure value of the water required by the plunger pump can be selected according to the actual working road condition, the problems of pressure and hydraulic resource waste caused by poor cleaning effect of road sections with poor road conditions and relatively large water pressure value of road sections with good road conditions are solved, the water resource is saved while the road cleaning and the road surface maintenance are realized, meanwhile, the electric energy required by the motor can be reasonably supplied, and the required maximum economic benefit is realized.
Compared with the mode that the motor controller directly controls the rotating speed of the motor connected with the plunger pump, the waterway control device realizes the direct control of the rotating speed of the plunger pump, and in order to improve the effect of controlling the rotating speed of the motor of the plunger pump, the waterway control device further comprises a transmission motor connected with the motor controller, the transmission motor is used for being connected with the motor of the plunger pump, and the motor controller is used for adjusting the rotating speed of the motor of the plunger pump in real time through the transmission motor according to the deviation of the actual water pressure value and the set value.
Through adding drive motor, motor controller is through the rotational speed of control drive motor, and the motor speed of indirect control plunger pump can effectively protect motor controller's signal can not direct action in the plunger pump, has avoided the plunger pump to receive direct start behind motor controller's the control signal, can effectively avoid the plunger pump to make a round trip direct start many times, the variable speed leads to causing the damage to the plunger pump, and then influences the life of plunger pump. The mode of indirectly controlling the motor speed of the plunger pump through the transmission motor can prolong the service life of the plunger pump, thereby realizing the normal operation of the plunger pump and further ensuring the stability of the water path control device.
In order to realize the automatic setting of the water pressure setting device, the water pressure setting device comprises a central processing unit which is respectively connected with an image acquisition unit and a storage unit, wherein the image acquisition unit is used for acquiring road surface images to be cleaned of the cleaning vehicle, the storage unit is used for storing an image library of various road condition information and water pressure setting values corresponding to the images in the image library, and the central processing unit is used for carrying out contrastive analysis on the road surface images to be cleaned of the cleaning vehicle acquired by the image acquisition unit and the images in the image library and taking the water pressure setting value of the image with the highest similarity with the road surface images to be cleaned in the image library as the water pressure setting value of water output by a plunger pump.
For realizing the manual setting of water pressure setting device, water pressure setting device includes control panel, is provided with water pressure regulating switch on the control panel, and water pressure regulating switch is used for setting for the water pressure of plunger pump play water.
Drawings
Fig. 1 is a schematic view of a water path control device of a washing vehicle according to the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The waterway control device of the washing vehicle as shown in fig. 1 comprises a water pressure setting device, an information processing unit, a motor controller and a transmission motor which are connected in sequence, and a pressure sensor connected with the information processing unit, wherein the transmission motor is used for connecting a motor of the plunger pump, the water pressure setting device is used for setting the water pressure of the plunger pump outlet water in the cleaning vehicle according to the road condition information of the road surface to be cleaned, the pressure sensor is used for detecting the actual water pressure of the plunger pump outlet water in the cleaning vehicle, the information processing unit is used for comparing the deviation of the actual water pressure value of the plunger pump outlet water with the set value in real time, the motor controller is used for comparing the deviation of the actual water pressure value with the set value, the motor rotating speed of the plunger pump is adjusted in real time through the transmission motor, so that the deviation between the actual water pressure value of the water discharged by the plunger pump and the set value is gradually reduced until the actual water pressure value of the water discharged by the plunger pump is equal to the set value.
The water pressure setting device of this embodiment can set up according to the water pressure setting demand of difference, and when needs manual setting water pressure, the water pressure setting device includes control panel, last starting switch and the water pressure regulating switch of being provided with of control panel, and starting switch is used for starting control panel, and water pressure regulating switch is used for setting for the water pressure that the plunger pump goes out water. Preferably, the control panel is a liquid crystal display control panel, and the starting switch and the water pressure regulating switch are both touch keys or manual switches.
Specifically, the water pressure value is set on a control panel of a chassis cab of the cleaning vehicle, the set water pressure value is directly transmitted to the information processing unit, then the transmission motor is started, the transmission motor operates at the moment, the transmission motor works to drive the motor of the high-pressure plunger pump to operate, a pressure sensor arranged at the water outlet of the high-pressure plunger pump transmits the detected pressure value to an information processing unit, the information processing unit compares the pressure value transmitted by the pressure sensor with a set water pressure value of a water pressure setting device, then the processed result is fed back to the motor controller, the motor controller controls the rotating speed of the transmission motor according to the received signal, the rotating speed of the transmission motor is stabilized on a rotating speed value corresponding to the set pressure value, the rotating speed of the transmission motor is stabilized, therefore, the stability of the working rotating speed of the motor in the high-pressure plunger pump is realized, and the constancy of the pressure value of the water outlet of the high-pressure plunger pump is finally realized.
In the whole working process, the waterway control device can effectively keep the transmission motor at a stable rotating speed according to the set pressure value of the actual working road condition, a driver can adjust the pressure value required by the water outlet of the high-pressure plunger pump in real time according to the change of the observed working road condition, thereby realizing the stepless regulation of the pressure value of the water pump, and the pressure value can not be fixed at a certain numerical value and can not be changed. Of course, the advantage of water pump pressure value adjustable lies in can realizing the maintenance to the road surface, if the pressure value is too big, can cause the destruction of certain degree to the highway, and the pressure value undersize will cause the road surface cleaning effect unsatisfactory, does not reach required idealized effect, and this kind of water route control device can be real realization road cleanness be parallel with the road surface maintenance, realizes real meaning's road sanitation, reaches required effect.
According to the invention, the water pressure control of the plunger pump water in the cleaning vehicle is realized through the water path control device, the water pressure value of the water required by the plunger pump can be selected according to the actual working road condition, the problems of pressure and hydraulic resource waste caused by poor cleaning effect of road sections with poor road conditions and relatively large water pressure value of road sections with good road conditions are solved, the pressure of the water outlet of the plunger pump can be adjusted and stabilized on the required pressure value while the road cleaning and the road surface maintenance are realized, the water resource is saved, meanwhile, the electric energy required by the motor can be reasonably supplied, and the required maximum economic benefit is realized.
When the water pressure needs to be automatically set, the water pressure setting device comprises a central processing unit, the central processing unit is respectively connected with an image acquisition unit and a storage unit, the image acquisition unit is used for acquiring road surface images to be cleaned of the cleaning vehicle, the image acquisition unit is preferably a camera, the storage unit is used for storing an image library of various road condition information and water pressure setting values corresponding to all the images in the image library, and the central processing unit is used for carrying out contrastive analysis on the road surface images to be cleaned of the cleaning vehicle acquired by the image acquisition unit and the images in the image library and taking the water pressure setting value of the image with the highest similarity to the road surface images to be cleaned in the image library as the water pressure setting value of water output by a plunger pump, so that the water pressure does not need to be manually set, and the automatic water pressure setting of the water. Preferably, the central processing unit and the information processing unit may be the same processor.
The method for performing the comparative analysis can adopt an image gray processing method in the prior art, namely comparing the gray value of the road surface image to be cleaned of the cleaning vehicle with the gray value of each image in the image library, and when the gray value of the road surface image to be cleaned of the cleaning vehicle is closest to the gray value of one image, judging that the image has the highest similarity with the road surface image to be cleaned. Instead of the image gray processing method, classification algorithms in a machine learning method in the prior art, such as a clustering algorithm, a neural network analysis algorithm and the like, can be adopted, when the classification algorithms are adopted, the images in the image library are subjected to gray processing, the gray values of the images are trained and classified, then the gray values of the road surface images to be cleaned of the cleaning vehicle are compared with the gray values of the images in each image type, the image type to which the road surface images to be cleaned of the cleaning vehicle belong is determined, and the water pressure set value of the water output of the plunger pump is determined according to the water pressure set value corresponding to the image type.
The above is an implementation mode of indirectly controlling the motor rotation speed of the plunger pump, that is, an implementation mode of controlling the rotation speed of the transmission motor and then driving the motor of the plunger pump to operate by the transmission motor, and as another implementation mode, an effect of controlling the motor rotation speed of the plunger pump can also be achieved by direct control, that is, the waterway control device does not need the transmission motor, and the motor controller directly controls the motor connected with the plunger pump to control the motor rotation speed of the plunger pump.
The invention also provides a cleaning vehicle comprising the waterway control device, which is not described in detail because the waterway control device is described clearly and completely.
Claims (5)
1. The water path control device of the cleaning vehicle is characterized by comprising a water pressure setting device, an information processing unit, a motor controller and a pressure sensor connected with the information processing unit, wherein the water pressure setting device is used for setting the water pressure of plunger pump water in the cleaning vehicle according to road condition information of a road surface to be cleaned, the pressure sensor is used for detecting the water pressure of the plunger pump water in the cleaning vehicle, the information processing unit is used for comparing the deviation between the actual water pressure value of the plunger pump water and a set value in real time, and the motor controller is used for adjusting the motor rotating speed of the plunger pump in real time according to the deviation between the actual water pressure value and the set value, so that the deviation between the actual water pressure value of the plunger pump water and the set value is gradually reduced until the actual water pressure value of the plunger pump water is equal to the set value.
2. The waterway control device of the washing vehicle as recited in claim 1, further comprising a transmission motor connected to the motor controller, wherein the transmission motor is used for connecting a motor of the plunger pump, and the motor controller is used for adjusting the motor speed of the plunger pump in real time via the transmission motor according to the deviation between the actual value of the water pressure and the set value.
3. The waterway control device of the washing vehicle of claim 1, wherein the water pressure setting device comprises a central processing unit, the central processing unit is respectively connected with an image acquisition unit and a storage unit, the image acquisition unit is used for acquiring road images to be washed by the washing vehicle, the storage unit is used for storing an image library of various road condition information and water pressure setting values corresponding to the images in the image library, and the central processing unit is used for comparing and analyzing the road images to be washed by the washing vehicle acquired by the image acquisition unit and the images in the image library and taking the water pressure setting value of the image with the highest similarity with the road images to be washed in the image library as the water pressure setting value of the plunger pump water.
4. The waterway control device of the washing vehicle of claim 1, wherein the water pressure setting device comprises a control panel, and a water pressure regulating switch is arranged on the control panel and is used for setting the water pressure of the water output by the plunger pump.
5. A washing vehicle, characterized in that the washing vehicle comprises a waterway control device according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378212.8A CN111197294A (en) | 2018-11-19 | 2018-11-19 | Cleaning vehicle and waterway control device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378212.8A CN111197294A (en) | 2018-11-19 | 2018-11-19 | Cleaning vehicle and waterway control device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111197294A true CN111197294A (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811378212.8A Pending CN111197294A (en) | 2018-11-19 | 2018-11-19 | Cleaning vehicle and waterway control device thereof |
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| Country | Link |
|---|---|
| CN (1) | CN111197294A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979961A (en) * | 2020-08-31 | 2020-11-24 | 长沙中联重科环境产业有限公司 | Control method and system for double-water-pump washing and sweeping vehicle |
-
2018
- 2018-11-19 CN CN201811378212.8A patent/CN111197294A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979961A (en) * | 2020-08-31 | 2020-11-24 | 长沙中联重科环境产业有限公司 | Control method and system for double-water-pump washing and sweeping vehicle |
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