CN112284233B - Vehicle-mounted testing device and method for testing thickness and state of ice layer of pavement on site - Google Patents
Vehicle-mounted testing device and method for testing thickness and state of ice layer of pavement on site Download PDFInfo
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- CN112284233B CN112284233B CN202011125325.4A CN202011125325A CN112284233B CN 112284233 B CN112284233 B CN 112284233B CN 202011125325 A CN202011125325 A CN 202011125325A CN 112284233 B CN112284233 B CN 112284233B
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- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000002844 melting Methods 0.000 claims abstract description 43
- 238000012545 processing Methods 0.000 claims abstract description 36
- 150000003839 salts Chemical class 0.000 claims abstract description 36
- 230000007480 spreading Effects 0.000 claims abstract description 32
- 238000003892 spreading Methods 0.000 claims abstract description 32
- 238000001556 precipitation Methods 0.000 claims abstract description 17
- 238000004364 calculation method Methods 0.000 claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 8
- 238000012937 correction Methods 0.000 claims description 3
- 238000007405 data analysis Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims 1
- 230000008018 melting Effects 0.000 abstract description 11
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 description 24
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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Abstract
本发明公开了一种现场测试路面冰层厚度与状态的车载测试装置与方法，主要用于融雪除冰技术领域。包括控制室、厚度测定组件、盐浓度测定组件和控制器；控制室包括总电源、数据处理与控制单元、网络连接模块、GPS定位模块和环境温度与降水量信息接收模块；厚度测定组件主要包括雷达控制模块、天线模块和厚度计算模块；盐浓度测定组件主要包括光强度控制模块、光工作模块、光检测器和浓度计算模块。现场测试路面冰层厚度与状态的车载测试装置安装在融雪剂撒布车的融雪剂出口附近，利用雷达测定冰层厚度，结合环境温度、降水量数据，最终计算出融雪剂的撒布量；控制器直接控制融雪剂的撒布量，可提高道路融雪除冰效率、避免融雪剂的浪费。
The invention discloses a vehicle-mounted testing device and method for on-site testing of the thickness and state of a road ice layer, which is mainly used in the technical field of snow melting and deicing. Including control room, thickness measuring component, salt concentration measuring component and controller; control room includes main power supply, data processing and control unit, network connection module, GPS positioning module and ambient temperature and precipitation information receiving module; thickness measuring component mainly includes Radar control module, antenna module and thickness calculation module; the salt concentration determination component mainly includes light intensity control module, light work module, light detector and concentration calculation module. The vehicle-mounted test device for on-site testing of the thickness and condition of the road ice layer is installed near the snow-melting agent outlet of the snow-melting agent spreading vehicle. Directly controlling the amount of snow-melting agent spread can improve the efficiency of road snow-melting and deicing and avoid the waste of snow-melting agent.
Description
Technical Field
The invention relates to a vehicle-mounted testing device for testing the thickness and the state of an ice layer on a road surface on site and a using method thereof, which are mainly used in the technical field of snow melting and deicing of urban roads, airport roads, highways and the like.
Background
The snow accumulated on the road surface in winter is a difficult problem in road traffic development, most areas of China belong to snowfall areas, roads, urban roads and airport roads in all areas are affected by ice and snow, the temperature in winter is low, after snowfall, the snow accumulated on the road surface is rolled by back and forth vehicles and the temperature is continuously reduced, a special vehicle running environment is formed under the comprehensive action, the adhesive force between tires and the ground is reduced, the traffic transportation efficiency and the driving safety are affected, and life and property loss can be caused in serious cases.
In order to clear ice and snow on the road surface and ensure the safety of road transportation and driving, scientific research units and scholars actively research and explore ways of quickly and effectively removing ice and snow for many years. At present, the snow-melting and deicing technologies mainly comprise a man-made method, mechanical snow removal, spreading of a snow-melting agent, addition of chloride to a road surface structural material, a thermal snow-melting technology and the like. The spread snow-melting agent is widely used due to low cost, convenient use and high deicing efficiency.
After the snow melting agent is spread, a saline solution is formed on a road surface, the saline solution can still be frozen continuously, whether the current saline solution is effective or not and whether the anti-skid performance of a road can ensure driving can be judged according to the thickness and the state of an ice layer on the road surface, and a test device and a method capable of measuring the thickness and the state of the ice layer do not exist at present. In the process of spreading the snow-melting agent, the spreading amount and the spreading time of the snow-melting agent mostly depend on the subjectivity of specific operators, the production and the use of the snow-melting agent also do not form a uniform standard, a miszone exists in the management and the use, and the following defects exist when the snow-melting agent is used for melting snow and deicing: (1) the problems of the spreading amount and the spreading time of the snow melting agent are not fully considered, the snow melting agent is seriously wasted due to too much spreading amount, and the secondary icing of the snow melting agent is caused to cause failure due to too little spreading amount. (2) Too much snow-melting agent not only affects the quality of the engineering structure, but also pollutes the surrounding environment.
Disclosure of Invention
The invention aims to provide a vehicle-mounted testing device and a vehicle-mounted testing method for testing the thickness and the state of an ice layer on a road surface on site, which are used for solving the defects in the prior art and can be used for conveniently controlling the distribution amount of a snow melting agent.
The invention provides a vehicle-mounted testing device for testing the thickness and the state of an ice layer of a road surface on site, which comprises a control room, a thickness measuring component, a salt concentration measuring component and a controller, wherein the thickness measuring component is arranged on the control room;
the control room is composed of a main power supply, a data processing and control unit, a network connection module, a GPS positioning module and an ambient temperature and precipitation information receiving module; the main power supply provides power for the whole device; the data processing and control unit can receive and display the acquired information and perform data processing and control; the network connection module provides a network for the whole device, and receives and updates the real-time environment information; the GPS positioning module can update and record the position of the detection point in real time and transmit the position information to the data processing and control unit;
the thickness measuring component consists of a radar control module, an antenna module and a thickness calculating module;
the salt concentration measuring component consists of a light intensity control module, a light working module, a light detector and a concentration calculating module.
Optionally, the ambient temperature and precipitation information receiving module is connected to the network connection module, and can receive the ambient temperature and precipitation information sent by the network connection module, and transmit the ambient temperature and precipitation information to the data processing and control unit for data analysis.
The vehicle-mounted testing device for testing the thickness and the state of the ice layer on the road surface on the spot optionally comprises a radar control module, wherein the microprocessor receives command parameters sent by the data processing and control unit and sends the command parameters to the antenna module.
The vehicle-mounted testing device for testing the thickness and the state of the ice layer on the road surface on the spot can be used for testing the thickness and the state of the ice layer on the road surface, wherein optionally, the antenna module comprises a wave transmitter and a wave receiver, and after receiving command parameters sent by the radar control module, the antenna module sets the working frequency according to the parameters and then starts to work.
The vehicle-mounted testing device for testing the thickness and the state of the ice layer on the road surface on the spot can be used for carrying out image display and real-time calculation on the thickness of the ice layer by the thickness calculating module according to the echo signals received and transmitted by the microprocessor from the wave receiver and transmitting the thickness information to the data processing and control unit.
The vehicle-mounted testing device for testing the thickness and the state of the ice layer on the road surface on the spot can be used for controlling the intensity of the emitted light by the light intensity control module, so that the emitted light can form clear reflected light after passing through the ice layer.
The vehicle-mounted testing device for testing the thickness and the state of the ice layer on the road surface on site can be used for testing the thickness and the state of the ice layer on the road surface, wherein the optical working module is optionally composed of an optical emitter and an optical receiver and is used for transmitting light and receiving reflected light.
The vehicle-mounted testing device for testing the thickness and the state of the ice layer on the road surface on site is characterized in that the light detector can receive the reflected light signal, analyze the light quantity and transmit the light quantity information to the concentration calculating module; the concentration calculating module calculates the salt concentration in the ice layer according to the intensity of the emitted light and the light quantity information of the reflected light, and transmits the salt concentration information to the data processing and control unit.
The vehicle-mounted testing device for testing the thickness and the state of the ice layer on the road on the spot can receive the ambient temperature and the precipitation, the thickness of the ice layer and the salt concentration information transmitted by the data processing and controlling unit, optionally calculate the spreading time and the spreading amount of the snow-melting agent in the next step, and control the spreading amount of the snow-melting agent at the specific position of the road in real time.
The invention also provides a road surface deicing method, which utilizes the vehicle-mounted testing device for testing the thickness and the state of the ice layer of the road surface on site, and comprises the following steps:
(1) measurement of
Firstly, a main power supply is started;
secondly, calibrating the dielectric constant of the ice layer in a data processing and control unit, selecting a layer to be tracked, starting a thickness measuring assembly and a salt concentration measuring assembly after radar wave parameters and light intensity are set, and enabling the spreading vehicle to advance at a constant speed when the controller controls the spreading vehicle to start spreading the snow melting agent;
thirdly, the data processing and controlling unit displays the thickness curve and the thickness value of the ice layer, the salt concentration curve and the concentration value in real time, and if the curves have deviation, the horizon correction is carried out;
fourthly, after the spreading work is finished, the data processing and controlling unit stores the original data, the thickness curve and the salt concentration curve;
(2) result collation
The test results include thickness curve and thickness value (cm) of the deicing layer, salt concentration curve and concentration value (w/%), and also include position coordinates of the test point, ambient temperature (DEG C), and precipitation (mm).
Compared with the prior art, the method can accurately measure the thickness and the salt concentration of the ice layer on the pavement, and has accurate, stable and reliable test result and high discrimination. The device and the using method can accurately calculate the thickness and the state of the snow-melting agent, and the controller calculates and directly controls the spreading time and the spreading amount of the snow-melting agent, so that the road snow-melting and deicing efficiency can be improved, the waste of the snow-melting agent is avoided, the influence of the snow-melting agent on an engineering structure and the surrounding environment is reduced, the road snow-melting and deicing efficiency is improved, and the safety and smoothness of the road are ensured.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: 1-a control room, 2-a thickness measuring component, 3-a salt concentration measuring component, 4-a controller, 101-a main power supply, 102-a data processing and control unit, 103-a network connection module, 104-a GPS positioning module, 105-an ambient temperature and precipitation information receiving module, 201-a radar control module, 202-an antenna module, 203-a thickness calculating module, 301-a light intensity control module, 302-an optical working module, 303-a light detector and 304-a concentration calculating module.
Detailed Description
The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
The present invention will be described in detail below with reference to the attached drawings, but they should not be construed as limiting the scope of the present invention.
As shown in fig. 1: the invention provides a vehicle-mounted testing device for testing the thickness and the state of an ice layer on a road surface on site, which structurally comprises a control room 1, a thickness measuring component 2, a salt concentration measuring component 3 and a controller 4. The thickness measuring component 2 and the salt measuring component 3 are both electrically connected with the controller 4.
Specifically, the control room 1 is composed of a main power supply 101, a data processing and control unit 102, a network connection module 103, a GPS positioning module 104, and an ambient temperature and precipitation information receiving module 105. The main power supply 101 supplies power to the entire apparatus; the data processing and control unit 102 can receive and display the collected information, and perform data processing and control; the network connection module 103 provides a network for the whole device, receives and updates real-time environment information; the GPS positioning module 104 can update and record the position of the detection point in real time, and transmit the position information to the data processing and control unit 102; the ambient temperature and precipitation information receiving module 105 is connected to the network connection module 103, and can receive the ambient temperature and precipitation information sent by the network connection module 103, and transmit the ambient temperature and precipitation information to the data processing and control unit 102 for data analysis.
The thickness measuring component 2 consists of a radar control module 201, an antenna module 202 and a thickness calculating module 203; the radar control module 201 is composed of a microprocessor, and the radar control module 201 is electrically connected with the thickness calculation module 203 and the control unit 102. The microprocessor receives command parameters sent by the data processing and control unit 102 and sends the command parameters to the antenna module 202; the antenna module 202 includes a wave transmitter 202A and a wave receiver 202B, and after receiving the command parameter sent by the radar control module 201, the antenna module 202 sets the operating frequency and the like according to the parameter, and then starts to operate; the thickness calculation module 203 performs image display and real-time calculation of the ice layer thickness on the echo signal received and transmitted by the microprocessor from the wave receiver 202B, and transmits the thickness information to the data processing and control unit 102.
The salt concentration measuring component 3 consists of a light intensity control module 301, a light working module 302, a light detector 303 and a concentration calculating module 304; the light intensity control module 301 controls the intensity of the emitted light, so that the emitted light forms clear reflected light after passing through the ice layer; the optical working module 302 is composed of an optical transmitter 302A and an optical receiver 302B, and performs optical transmission and reflected light receiving work; the photodetector 303 is capable of receiving the reflected light signal and analyzing the light amount, and transmitting the light amount information to the density calculation module 304; the concentration calculation module 304 calculates the salt concentration in the ice layer based on the intensity of the emitted light and the light amount information of the reflected light, and transmits the salt concentration information to the data processing and control unit 102.
In order to verify the reliability and the beneficial effects of the vehicle-mounted testing device and the using method for testing the thickness and the state of the ice layer on the road surface on site, the invention is further described in detail with reference to the following embodiments, but the invention is not limited to the following embodiments.
(1) Measurement of
Firstly, a main power supply 101 is started;
secondly, calibrating the dielectric constant of the ice layer in the data processing and control unit 102, then selecting a layer to be tracked, starting the thickness measuring component 2 and the salt concentration measuring component 3 after setting radar wave parameters and light intensity, and enabling the spreading vehicle to advance at a constant speed when the controller 4 controls the spreading vehicle to start spreading the snow melting agent;
thirdly, the data processing and controlling unit 102 displays the thickness curve and the thickness value of the ice layer, the salt concentration curve and the concentration value in real time, and if the curves have deviation, the horizon correction can be carried out;
after the spreading operation is finished, the data processing and control unit 102 stores the original data, the thickness curve and the thickness value, and the salt concentration curve and the concentration value.
(2) Result collation
The thickness (cm) of an ice layer measured by a radar for a certain section of road and the salt concentration (w/%) measured by light are compared with the thickness (cm) measured by manually digging ice blocks on the road surface with the same stake mark and the salt concentration (w/%) measured after melting the ice blocks respectively by using the method. The test results are shown in tables 1 and 2.
TABLE 1 comparison of Radar and Manual thickness measurements
TABLE 2 comparison of optical and manual salt concentrations
| Serial number | Pile number | Optical measurement of salt concentration (w/%) | Manual determination of salt concentration (w/%) |
| 1 | K3+130 | 1.3 | 1.7 |
| 2 | K3+230 | 2.5 | 2.2 |
| 3 | K3+330 | 1.5 | 2.0 |
| 4 | K3+430 | 3.3 | 3.8 |
| 5 | K3+530 | 1.3 | 1.0 |
| 6 | K3+630 | 4.2 | 3.8 |
| 7 | K3+730 | 2.9 | 3.3 |
| 8 | K3+830 | 2.7 | 2.5 |
| 9 | K3+930 | 4.4 | 4.7 |
| 10 | K4+30 | 4.0 | 4.1 |
The test result shows that: the device and the using method can accurately measure the thickness and the salt concentration of the ice layer on the pavement, and the device and the using method have accurate, stable and reliable test results and high discrimination. The device and the using method can accurately calculate the thickness and the state of the snow-melting agent, and the controller calculates and directly controls the spreading time and the spreading amount of the snow-melting agent, so that the road snow-melting and deicing efficiency can be improved, the waste of the snow-melting agent is avoided, the influence of the snow-melting agent on an engineering structure and the surrounding environment is reduced, the road snow-melting and deicing efficiency is improved, and the safety and smoothness of the road are ensured.
It should be noted that the above embodiments are only for understanding the present invention, the present invention is not limited to the embodiments, and any addition, equivalent replacement or modification of technical features based on the technical solution of the present invention should be regarded as the protection scope of the present invention.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
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| CN114396009B (en) * | 2022-01-28 | 2024-12-24 | 河南恒通工程监理咨询有限公司 | Self-adjusting road salt spreading device |
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