CN111152762A - Intelligent car washing control system for construction site - Google Patents

Intelligent car washing control system for construction site Download PDF

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Publication number
CN111152762A
CN111152762A CN202010208365.9A CN202010208365A CN111152762A CN 111152762 A CN111152762 A CN 111152762A CN 202010208365 A CN202010208365 A CN 202010208365A CN 111152762 A CN111152762 A CN 111152762A
Authority
CN
China
Prior art keywords
vehicle
washing
wheel
control system
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010208365.9A
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Chinese (zh)
Inventor
甘倚琳
张明哲
谷云宽
黄晓
朱文涛
龚子涵
王健
熊俊噫
陈翌希
季圣杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Construction First Group Corp Ltd
China Construction First Bureau Group North China Construction Co Ltd
Original Assignee
China Construction First Group Corp Ltd
China Construction First Bureau Group North China Construction Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Construction First Group Corp Ltd, China Construction First Bureau Group North China Construction Co Ltd filed Critical China Construction First Group Corp Ltd
Priority to CN202010208365.9A priority Critical patent/CN111152762A/en
Publication of CN111152762A publication Critical patent/CN111152762A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S3/00Vehicle cleaning apparatus not integral with vehicles
    • B60S3/04Vehicle cleaning apparatus not integral with vehicles for exteriors of land vehicles
    • B60S3/042Wheel cleaning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S3/00Vehicle cleaning apparatus not integral with vehicles
    • B60S3/002Vehicle drying apparatus

Abstract

The invention discloses an intelligent vehicle washing control system for a construction site, which comprises an image acquisition device, a wheel cleaning device, a gate and a controller, wherein the image acquisition device is connected with the wheel cleaning device; the image acquisition device is positioned at the rear side of the wheel cleaning device and is connected with the controller to judge whether the passing vehicle is a large vehicle; the wheel cleaning device is connected with the controller to clean the wheels of the passing large-scale vehicle; the gate is located at the front side of the wheel washing device and is connected with the controller to release the vehicle completing the wheel washing. The intelligent vehicle washing control system for the construction site is reasonable in structure, the color of the license plate of a passing vehicle is obtained through the image acquisition device, and the large vehicle is judged and distinguished through color; the vehicle cleaning device is linked with the gate, and intelligently controls the cleaning of the vehicle and the opening and closing of the gate; meanwhile, the system is provided with the drying device, so that the cleaning effect of the large-sized vehicle is effectively improved, and the pollution of the vehicle on a construction site to an urban road is avoided.

Description

Intelligent car washing control system for construction site
Technical Field
The invention belongs to the technical field of constructional engineering, and relates to an intelligent vehicle washing control system for a construction site.
Background
In the building engineering, in the process of a freight vehicle to and from a construction site and an urban road, soil and dust on the construction site are inevitably transferred through tires of the freight vehicle, namely, the air quality of the city is influenced.
The existing construction site basically adopts a high-pressure water gun to flush the outside of the vehicle, particularly the position of a tire of the vehicle, and the requirement of manually judging whether the wheel needs to be cleaned or not is increased, so that human resources are increased, and the water resources are wasted by adopting jet flushing.
Therefore, it is urgently needed to design an intelligent vehicle washing control system for a construction site to solve the technical problems in the prior art.
Disclosure of Invention
The invention aims to solve at least some technical problems in the prior art to a certain extent, and provides an intelligent vehicle washing control system for a construction site, which is reasonable in structure, acquires the color of a license plate of a passing vehicle through an image acquisition device, and judges and distinguishes large vehicles through color; the vehicle cleaning device is linked with the gate, and intelligently controls the cleaning of the vehicle and the opening and closing of the gate; meanwhile, the system is provided with the drying device, so that the cleaning effect of the large-sized vehicle is effectively improved, and the pollution of the vehicle on a construction site to an urban road is avoided.
In order to solve the technical problem, the invention provides an intelligent vehicle washing control system for a construction site, which comprises an image acquisition device, a wheel washing device, a gate and a controller, wherein the image acquisition device is used for acquiring an image of a vehicle; the image acquisition device is positioned at the rear side of the wheel cleaning device and is connected with the controller to judge whether the passing vehicle is a large vehicle; the wheel cleaning device is connected with the controller to clean the wheels of the passing large-scale vehicle; the gate is located at the front side of the wheel washing device and is connected with the controller to release the vehicle completing the wheel washing.
In some embodiments, the image capture device obtains the license plate color of the vehicle and screens the large vehicles by color comparison.
In some embodiments, the image capturing device is a camera, and the camera captures a picture of the target vehicle, introduces the obtained picture into a color determination algorithm program, performs morphological processing by using Opencv, extracts a quadrilateral outline of the picture, and performs color determination on the extracted picture.
In some embodiments, the intelligent vehicle washing control system for construction site further includes a drying device located at a front side of the wheel washing device, and connected with the controller to dry the washed vehicle.
In some embodiments, the wheel washing device includes a floor washing part and a side washing part that spray-wash a floor and a side of the vehicle, respectively.
In some embodiments, the bottom surface cleaning part comprises a horizontal pipe arranged horizontally and a plurality of bottom surface spray heads arranged on the horizontal pipe, and the bottom surface spray heads are arranged vertically; the side surface cleaning part comprises a vertical pipe which is vertically arranged and a plurality of side surface spray heads which are arranged on the vertical pipe, and the side surface spray heads are horizontally arranged.
In some embodiments, the nozzles of the bottom cleaning part and the side cleaning part are provided with electromagnetic valves to control the opening and closing and opening of the nozzles.
In some embodiments, the drying device is a hot air drying device that sprays heated air to the washed vehicle to dry the washed vehicle.
In some embodiments, the controller is a microcomputer with a timer disposed thereon to control the operation time of the wheel washing apparatus.
In some embodiments, the inlet end of the wheel cleaning device is provided with a pressure sensor, the pressure sensor is connected with the controller, and when the vehicle determined by the image acquisition device is a large vehicle and the pressure sensor is pressed, the wheel cleaning device starts to operate.
The invention has the beneficial effects that:
the intelligent vehicle washing control system for the construction site, which is provided by the invention, has reasonable structure,
(1) the method comprises the steps that the color of a license plate of a passing vehicle is obtained through an image acquisition device, the large-sized vehicle is judged and distinguished through color, and the vehicle needing to be cleaned on a construction site is accurately cleaned;
(2) the wheel cleaning device is linked with the gate, the cleaning of the vehicle and the opening and closing of the gate are intelligently controlled, and the vehicle is effectively prevented from being washed by leakage;
(3) the drying device who sets up can realize the quick drying wheel, maintains the cleaning performance of wheel, avoids the pollution of job site's vehicle to urban road.
Drawings
The above advantages of the present invention will become more apparent and more readily appreciated from the detailed description set forth below when taken in conjunction with the drawings, which are intended to be illustrative, not limiting, of the invention and in which:
FIG. 1 is a schematic structural diagram of an intelligent vehicle washing control system for a construction site according to the invention;
FIG. 2 is a schematic view showing the construction of the vehicle washing apparatus of the present invention;
FIG. 3 is a control flow chart of the intelligent vehicle washing control system for construction sites according to the invention.
In the drawings, the reference numerals denote the following components:
10. an image acquisition device;
20. a vehicle washing device; 21. a bottom surface cleaning part; 211. a bottom surface spray head; 22. a side surface cleaning part; 221. a side shower nozzle; 23. a pressure sensor;
30. a drying device;
40. a gate machine;
50. and a controller.
Detailed Description
Fig. 1 to 3 are related schematic diagrams of an intelligent vehicle washing control system for a construction site according to the present application, and the present invention will be described in detail below with reference to specific embodiments and accompanying drawings.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the invention. Like reference numerals are used to denote like parts.
The invention relates to a structural schematic diagram of an intelligent vehicle washing control system for a construction site, which is shown in figure 1 and comprises an image acquisition device 10, a wheel cleaning device 20, a drying device 30, a gate 40 and a controller 50; the image acquisition device 10 is located at the rear side of the wheel washing device 20 and is connected with the controller 50 to determine whether the passing vehicle is a large vehicle; the wheel washing device 20 is connected with the controller 50 to wash the wheels of the passing large vehicle; the gate 40 is located at a front side of the drying device 30, and is connected to the controller 50 to allow the vehicle, on which the wheel washing has been completed, to pass.
As an embodiment of the present invention, the image capturing device 10 obtains the license plate color of the vehicle, and screens the large vehicles through color comparison. Specifically, the image capturing device 10 is a camera, and is configured to photograph the target vehicle, import the obtained picture into a color determination algorithm program, perform morphological processing by using Opencv, extract a quadrilateral outline of the picture, and perform color determination on the extracted picture. When the color of the extracted license plate of the vehicle is yellow, the vehicle is a large vehicle; when the extracted color of the license plate of the vehicle is blue or green, the vehicle is a small vehicle, and the gate 40 is directly released. This application intelligence carwash control system and floodgate machine 40 linkage can reduce operating personnel quantity, control construction cost.
As one aspect of this embodiment, the image capturing device 10 photographs the target vehicle, imports the obtained picture into a color determination algorithm edited by a Python program, performs morphological processing using Opencv, extracts a quadrilateral outline of the picture, and performs color determination on the extracted picture. It will be appreciated that the color decision algorithm may be compiled in other computer languages as well.
The following briefly describes the operation of the image capturing device 10:
number plate location
(1) Preprocessing, namely performing morphological preprocessing on the target identification picture, wherein the preprocessing comprises the following steps: graying; 3x3 Gaussian filtering; 5-order median filtering; filtering by using a Sobel operator in the X direction; and (6) binarization.
(2) And searching the outline of the license plate. And carrying out contour search by using a findContours function of Opencv, and converting the found contour into a rectangle by using a contourArea function. And screening out the outline with the aspect ratio of 1.5-6 and the pixel area of less than 1000 (obtaining the outline with proper size and shape), and returning the picture enclosed by the outline.
(II) license plate recognition
(1) Converting recognized rectangles into text
And recognizing characters in the rectangle by using a Tesseract module.
(2) Character check
And performing regular matching on the text content by using a re module, and eliminating a rectangle of which the text content does not accord with the license plate rule.
(3) Color recognition
The ranges of yellow, green, white and blue in the HSV color space are pre-constructed and stored as a matching list. And then comparing the license plate pictures in sequence. And (3) comparison process: the inRange function is used to remove color content outside the contrast color range. Then, the picture is respectively subjected to corrosion operation and expansion operation. Then, 2 groups of histogram statistics are carried out on the pictures, and the statistical objects are 0 and 255 respectively (the pictures are binarized). The statistics for the pixel with a pixel value of 255 are then saved. And finally, taking the color with the highest statistical value matched from all the colors as the color of the license plate.
(4) Result output
The output result is a tuple of 3 elements. The 3 elements are respectively whether a license plate (Boolean value), a license plate number and a license plate color are matched. And judging whether the vehicle is a large vehicle or not according to the output result.
As another embodiment of the present invention, the intelligent vehicle washing control system for a construction site is configured with an infrared sensor in addition to the image capturing device 10, so as to prevent a vehicle from not being provided with a license plate or from being shielded by a chassis. Specifically, the horizontal interval between the infrared sensors is 3m, and the vertical height of the infrared sensors is 1.2 m. The infrared sensor who sets up is non-contact sensor, and it can accurately judge the size of the vehicle of process to whether the discernment vehicle need wash the vehicle, effectively promote intelligent carwash control system vehicle discrimination.
Fig. 2 is a schematic structural view of a vehicle washing device of the present invention, and the wheel washing device 20 includes a bottom washing part 21 and a side washing part 22, which spray-wash the bottom and side of the vehicle, respectively. Specifically, the bottom surface cleaning part 21 includes a horizontal pipe horizontally disposed and a plurality of bottom surface nozzles 211 disposed on the horizontal pipe, and the bottom surface nozzles 211 are vertically disposed. In the embodiment shown in fig. 1, the floor washing section 21 is provided with floor spray heads 211 in the areas where the wheels pass, so as to reduce the amount of water used. The bottom surface cleaning part 21 is disposed below a support plate (not shown) having a hollow structure, and a drainage device is disposed at the bottom of the support plate. In order to save water, the water after the wheel is cleaned can be drained, so that the wheel can be recycled.
In one aspect of this embodiment, the side cleaning part 22 includes a vertical pipe and a plurality of side spray heads 221 disposed on the vertical pipe, and the side spray heads 221 are disposed horizontally. In the present invention, the side shower head 221 provided in the side washing unit 22 does not have to be provided excessively, and may be provided so as to cover substantially the height of the vehicle to be washed.
As another aspect of the embodiment, the nozzles of the bottom surface cleaning part 21 and the side surface cleaning part 22 are provided with electromagnetic valves to control the opening and closing and opening of the nozzles. The electromagnetic valve configured for the spray head is connected with the controller 50, so that the opening and closing of the spray head and the control of the opening and closing size of the spray head are realized through the controller 50.
In some embodiments, the intelligent vehicle washing control system for construction site sets a plurality of washing modes, such as single bottom washing, single side washing, simultaneous bottom washing and side washing, and the controller 50 can flexibly select the washing mode of the vehicle, thereby realizing efficient and energy-saving washing of the wheels of the vehicle.
As an embodiment of the present invention, the drying device 30 is located at a front side of the wheel washing device 20, and is connected with the controller 50 to dry the washed vehicle; the drying device 30 is a hot air drying device that sprays heated air to the washed vehicle to dry the washed vehicle. This is beneficial to maintaining the wheel cleaning effect and reducing the influence of vehicles leaving the construction site on urban roads.
As another embodiment of the present invention, the controller 50 is a microcomputer, such as a raspberry pi or a PC, on which a timer is provided to control the operation time of the wheel washing device 20, and the control flow thereof is shown in fig. 3. The controller 50 may set the operation time of the wheel washing device 20, the injection pressure of the bottom surface washing part 21 and the side surface washing part 22 by a timer; meanwhile, the controller 50 may set the operation time of the drying device 30 through a timer.
As an embodiment of the present invention, the inlet end of the wheel washing device 20 is provided with a pressure sensor 23, as shown in fig. 1, which is connected to the controller 50, and when the image capturing device 10 determines that the vehicle is a large vehicle and the pressure sensor 23 is pressed, the wheel washing device 20 starts to operate. It is understood that the pressure sensor 23 may not be used but an infrared sensor or other sensors may be used to determine that the vehicle to be washed enters the wheel washing device 20.
As another embodiment of the present invention, a wheel cleaning degree determination device is provided at the front side of the wheel cleaning device 20, and scans the cleaning degree of the vehicle cleaned by the wheel cleaning device 20, compares the result obtained by the scanning with a set threshold value, and determines whether the wheel cleaning is up to standard; if the wheel cleaning degree is not up to the standard, the controller 50 extends the operation time of the wheel cleaning apparatus 20 to continue cleaning the vehicle.
Compared with the defects and shortcomings of the prior art, the intelligent vehicle washing control system for the construction site is reasonable in structure, the color of the license plate of a passing vehicle is obtained through the image acquisition device, and the large vehicle is judged and distinguished through color; the vehicle cleaning device is linked with the gate, and intelligently controls the cleaning of the vehicle and the opening and closing of the gate; meanwhile, the system is provided with the drying device, so that the cleaning effect of the large-sized vehicle is effectively improved, and the pollution of the vehicle on a construction site to an urban road is avoided.
The present invention is not limited to the above embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which are the same as or similar to the technical solutions of the present invention, fall within the protection scope of the present invention.

Claims (10)

1. An intelligent vehicle washing control system for a construction site is characterized by comprising an image acquisition device, a wheel cleaning device, a gate and a controller; the image acquisition device is positioned at the rear side of the wheel cleaning device and is connected with the controller to judge whether the passing vehicle is a large vehicle; the wheel cleaning device is connected with the controller to clean the wheels of the passing large-scale vehicle; the gate is located at the front side of the wheel washing device and is connected with the controller to release the vehicle completing the wheel washing.
2. The intelligent vehicle washing control system for the construction site as claimed in claim 1, wherein the image acquisition device acquires the license plate color of the vehicle, and screens the large vehicles by color comparison.
3. The intelligent vehicle washing control system for the construction site as claimed in claim 2, wherein the image acquisition device is a camera, and is configured to take a picture of a target vehicle, import the obtained picture into a color determination algorithm program, perform morphological processing by using Opencv, extract a quadrilateral outline of the picture, and perform color determination on the extracted picture.
4. The intelligent carwash control system for construction sites according to claim 1, further comprising a drying device located at a front side of the wheel washing device and connected to the controller to dry the washed vehicle.
5. The intelligent vehicle washing control system for a construction site according to claim 1, wherein the wheel washing device includes a floor washing part and a side washing part which spray-wash the floor and the side of the vehicle, respectively.
6. The intelligent vehicle washing control system for the construction site as claimed in claim 5, wherein the bottom surface cleaning part comprises a horizontal pipe arranged horizontally and a plurality of bottom surface spray heads arranged on the horizontal pipe, and the bottom surface spray heads are arranged vertically; the side surface cleaning part comprises a vertical pipe which is vertically arranged and a plurality of side surface spray heads which are arranged on the vertical pipe, and the side surface spray heads are horizontally arranged.
7. The intelligent vehicle washing control system for the construction site as claimed in claim 6, wherein the nozzles of the bottom cleaning part and the side cleaning part are provided with electromagnetic valves to control the opening and closing and opening of the nozzles.
8. The intelligent carwash control system for construction sites according to claim 4, wherein the drying device is a hot air drying device which sprays heated air to the cleaned vehicle to dry the cleaned vehicle.
9. The intelligent carwash control system for construction sites according to claim 1, wherein the controller is a microcomputer on which a timer is provided to control the operation time of the wheel washing device.
10. The intelligent vehicle washing control system for the construction site as claimed in claim 9, wherein the inlet end of the wheel washing device is provided with a pressure sensor connected with the controller, and when the vehicle determined by the image acquisition device is a large vehicle and the pressure sensor is pressed, the wheel washing device starts to operate.
CN202010208365.9A 2020-03-23 2020-03-23 Intelligent car washing control system for construction site Pending CN111152762A (en)

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CN202010208365.9A CN111152762A (en) 2020-03-23 2020-03-23 Intelligent car washing control system for construction site

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112455396A (en) * 2020-12-18 2021-03-09 青海慧洗智能科技有限公司 Automatic car washing-oriented wheel positioning system, method and device
CN112550235A (en) * 2020-11-20 2021-03-26 北京中铁建建筑科技有限公司 Automatic wheel washing system and wheel washing method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202175023U (en) * 2011-07-28 2012-03-28 青岛日森机电有限公司 Car washer capable of automatically opening
CN106845480A (en) * 2017-01-13 2017-06-13 河海大学 A kind of method that car plate is recognized from picture
CN108749777A (en) * 2018-07-12 2018-11-06 上海凡贝机械有限公司 A kind of full-automatic multi-functional engineering truck car washer
CN110154991A (en) * 2019-06-06 2019-08-23 宁波中令清洁技术有限公司 A kind of automatic car washing machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202175023U (en) * 2011-07-28 2012-03-28 青岛日森机电有限公司 Car washer capable of automatically opening
CN106845480A (en) * 2017-01-13 2017-06-13 河海大学 A kind of method that car plate is recognized from picture
CN108749777A (en) * 2018-07-12 2018-11-06 上海凡贝机械有限公司 A kind of full-automatic multi-functional engineering truck car washer
CN110154991A (en) * 2019-06-06 2019-08-23 宁波中令清洁技术有限公司 A kind of automatic car washing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112550235A (en) * 2020-11-20 2021-03-26 北京中铁建建筑科技有限公司 Automatic wheel washing system and wheel washing method thereof
CN112455396A (en) * 2020-12-18 2021-03-09 青海慧洗智能科技有限公司 Automatic car washing-oriented wheel positioning system, method and device

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Application publication date: 20200515