CN210533428U - Pavement structure monitoring system based on multi-sensor fusion - Google Patents
Pavement structure monitoring system based on multi-sensor fusion Download PDFInfo
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- CN210533428U CN210533428U CN201921615503.4U CN201921615503U CN210533428U CN 210533428 U CN210533428 U CN 210533428U CN 201921615503 U CN201921615503 U CN 201921615503U CN 210533428 U CN210533428 U CN 210533428U
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Abstract
The utility model provides a road surface structure monitoring system based on multisensor fuses, include: the data acquisition equipment cluster (10) comprises at least two types of data acquisition equipment and is used for acquiring road surface condition data in real time; and the data receiving and analyzing equipment (30) is connected with the data acquisition equipment cluster (10) and is used for receiving and analyzing the road surface condition data to obtain a disease state. The utility model discloses a multiple data acquisition equipment real-time supervision road surface situation has avoided the subjective factor of artificial detection, can reflect the real condition in road surface more accurately simultaneously, has realized in time discovering the disease and has handled, the driving safety of guarantee road.
Description
Technical Field
The utility model belongs to the technical field of traffic monitoring, concretely relates to road surface structure monitoring system based on multisensor fuses.
Background
In recent years, with the rapid development of economy in China, the total mileage of roads is increased year by year. After the asphalt pavement is used for a period of time after the vehicle is communicated, under the influence of various aspects such as vehicle load, water factors, climate and the like, damage, deformation and other defects can appear in succession, and common diseases include: cracks, pits, ruts, looseness, subsidence, surface damage, and the like. These diseases seriously affect road traffic safety. Therefore, the road surface needs to be regularly detected, diseases are found in time, the road surface is maintained, and the driving safety of the road is guaranteed.
At present, two methods are mainly used for detecting the structural performance of the pavement: firstly, manual detection is easily influenced by the technical level of technicians, personal subjective factors are greatly influenced, and the detection and analysis of the internal structure of a road are not easy to perform; secondly, vehicle detection have avoided the influence of artifical detection individual subjective factor, but receive road environment influence great, also cause the secondary damage to the road easily. At present, the two methods cannot objectively and comprehensively reflect the complex change rule of the road structure mechanics response behavior under the combined action of natural environment, traffic load and a plurality of factors in the service process of the road.
Although some advanced pavement nondestructive testing equipment is available at present, the pavement nondestructive testing equipment is used for periodic testing, and diseases cannot be found and treated in time.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problem, an object of the utility model is to provide a road surface structure monitoring system based on multisensor fuses adopts multiple data acquisition equipment real-time supervision road surface situation, has avoided the subjective factor of artificial detection, can reflect the road surface true condition more accurately simultaneously, has realized in time discovering the disease and has handled, the driving safety of guarantee road.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
according to the utility model discloses an aspect provides a road surface structure monitoring system based on multisensor fuses, include:
the data acquisition equipment cluster comprises at least two kinds of data acquisition equipment and is used for acquiring road surface condition data in real time;
and the data receiving and analyzing equipment is connected with the data acquisition equipment in a cluster manner and is used for receiving and analyzing the road surface condition data to obtain the disease state.
In some embodiments of the present invention, the data collection device cluster includes real-time data collection devices embedded in the road and/or real-time data collection devices disposed on the side of the road.
In some embodiments of the present invention, the real-time data collecting device embedded in the road comprises: one or more of a temperature and humidity sensor, a strain gauge, a deflectometer, a soil pressure gauge and a water retention rate sensor.
The utility model discloses an in some embodiments, arrange road side's real-time data acquisition equipment in and include: the road surface damage monitoring device comprises one or more of an anti-skid capability monitoring device, a road surface damage condition monitoring device and a road surface deflection monitoring device.
In certain embodiments of the present invention, the data collection device cluster is multiple.
In some embodiments of the present invention, the road surface structure monitoring system further comprises:
the data storage and transmission equipment is connected with the data acquisition equipment in a cluster manner and is used for storing the road surface condition data and transmitting the road surface condition data to the data receiving and analyzing equipment.
In certain embodiments of the present invention, a data storage and transmission device comprises:
the storage equipment is used for storing the road surface condition data acquired by the data acquisition equipment cluster;
and the optical fiber transmission channel is used for transmitting the road surface condition data in the storage equipment to the data receiving and analyzing equipment.
In some embodiments of the present invention, the data receiving and analyzing device is one or more desktop computers or notebooks.
According to the above technical scheme, the utility model discloses road surface structure monitoring system based on multisensor fuses has following beneficial effect wherein at least:
(1) the utility model adopts various advanced data acquisition devices to monitor the road surface condition, thereby avoiding subjective factors of artificial detection;
(2) the utility model discloses can carry out real-time supervision, can reflect the real condition of road surface more accurately, realized discovering the disease in time and handling, ensure the driving safety of road;
(3) the utility model is organized and implemented in the road construction stage, and the road surface is not needed to be damaged in the monitoring process, thereby reducing the labor and economic cost;
(4) the utility model discloses begin to implement from the road construction stage, carry out full life cycle's monitoring to the road surface structure, help the true condition on accurate reflection road surface and carry out correct analysis to the road surface disease.
Drawings
Fig. 1 is the embodiment of the utility model provides a road surface structure monitoring system's structural component schematic diagram based on multisensor fuses.
Fig. 2 is a plan view of the data acquisition device according to the embodiment of the present invention.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
[ Main element ]
10-a cluster of data acquisition devices; 1-a temperature and humidity sensor; 2-a strain gauge; 3-a deflectometer; 4-soil pressure gauge; 5-water retention rate sensor; 6-anti-skid ability monitoring equipment; 7-road surface damage condition monitoring equipment; 8-pavement deflection monitoring equipment;
20-a data storage and transmission device;
30-a data receiving and analyzing device;
8-road, 81-SMA-13 layer; 82-AC-20 layer; 83-AC-25 layer; 84-LSPM-30 layer; 85-a first cement stabilized rubble layer; 86-a second cement stabilized gravel layer; 87-cement sand stabilization and gravel layer addition; 88-roadbed.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
Certain embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. Indeed, various embodiments of the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements.
In an exemplary embodiment of the present invention, a pavement structure monitoring system based on multi-sensor fusion is provided. As shown in fig. 1, the utility model discloses road surface structure monitoring system based on multisensor fuses includes: the data acquisition equipment cluster 10 comprises at least two types of data acquisition equipment for acquiring road surface condition data; the data storage and transmission equipment 20 is connected with the data acquisition equipment cluster 10 and is used for storing and transmitting the road surface condition data acquired by the data acquisition equipment cluster 10; the data receiving and analyzing device 30 and the data storing and transmitting device 20 are connected to receive the road surface condition data and analyze the road surface condition data to obtain a disease state.
The following describes each component of the road surface structure monitoring system based on multi-sensor fusion in detail.
As shown in fig. 1, the data acquisition device cluster 10 includes a temperature and humidity sensor 1, a strain gauge 2, a deflectometer 3, a soil pressure gauge 4, a water retention rate sensor 5, an anti-skid capability monitoring device 6, a road surface damage condition monitoring device 7, and a road surface deflection monitoring device 8.
The temperature and humidity sensor 1, the strain gauge 2, the deflectometer 3, the soil pressure gauge 4 and the water retention rate sensor 5 are all embedded in the road, and are used for acquiring real-time data of road surface conditions and acquiring first road surface condition data; the skid resistance monitoring equipment 6, the road surface damage condition monitoring equipment 7 and the road surface deflection monitoring equipment 8 are arranged on the road side, and are used for acquiring real-time data of road surface conditions and acquiring second road surface condition data. It should be noted that, because the mileage of a road is long, a plurality of data acquisition device clusters 10 are generally set, and each data acquisition device cluster 10 is distributed at a different position of the road, so as to expand the road surface monitoring range. After the temperature and humidity are measured by the temperature and humidity sensor 1, the temperature and humidity are converted into electric signals which are easy to be measured and processed according to a certain rule and then output. The strain gauge 2 is embedded in the road to measure the amount of strain in the road. The deflectometer 3 can simultaneously monitor the permanent deformation and the instantaneous deformation of each structural layer in the road surface. The soil pressure gauge 4 is composed of a back plate, an induction plate, a signal transmission cable, a vibrating string, an excitation electromagnetic coil and the like, and is effective monitoring equipment for knowing the soil pressure variation in the measured structure. The water retention sensor 5 can measure the moisture content in the roadbed.
The utility model discloses a multiple data acquisition equipment real-time supervision road surface situation has avoided the subjective factor of artificial detection, can reflect the real condition in road surface more accurately simultaneously, has realized in time discovering the disease and has handled, the driving safety of guarantee road.
As shown in fig. 3, as a specific embodiment, the monitored road comprises 8 structural layers, namely an SMA-13 (asphalt mastic gravel mixture) layer 81, an AC-20 (coarse asphalt concrete) layer 82, an AC-25 layer 83, an LSPM-30 (large-particle-diameter water-permeable asphalt mixture) layer 84, a first cement-stabilized gravel layer 85, a second cement-stabilized gravel layer 86, a cement-stabilized sand and gravel layer 87 and a roadbed 88, wherein the structural layers above the roadbed 88 are coating layers.
As shown in fig. 2 and 3, the data acquisition equipment cluster 10 includes 6 temperature and humidity sensors 1, 8 strain gauges 2, a deflectometer 3, 2 soil pressure gauges 4 and a water retention rate sensor 5. Specifically, 6 temperature and humidity sensors 1 are buried in the upper 4 layers of the pavement dressing layer; 8 strain gauges are respectively embedded between an AC-20 layer 82 and an AC-25 layer 83 and between an LSPM-30 layer 84 and a first cement stabilized gravel layer 85; the deflectometers 3 are arranged in each layer of dressing above the roadbed 88; 2 soil pressure gauges 4 are buried between the LSPM-30 layer 84 and the first cement stabilized gravel layer 85, between the cement stabilized sand and gravel layer 87 and between the roadbed 88; the water-retention rate sensor 5 is disposed in the roadbed 88.
The skid resistance monitoring device 6, the road surface damage condition monitoring device 7 and the road surface deflection monitoring device 8 are arranged on one side of the road when in use according to requirements.
Therefore, the utility model can be seen in that the road surface is not needed to be damaged in the monitoring process, thereby reducing the labor and economic cost; and the method can be implemented from the road construction stage, monitors the whole life cycle of the road surface structure, and is beneficial to accurately reflecting the real condition of the road surface and correctly analyzing the road surface diseases.
The anti-skid capability monitoring equipment 6 can continuously monitor and calculate index data such as transverse force coefficient (SFC), road surface anti-skid performance index (SRI), road surface temperature, test speed and driving distance of each grade of road surface rapidly, accurately and in real time. The skid resistance monitoring equipment 6 comprises a data acquisition computer, a data acquisition host system, an infrared temperature measurement system, a water film thickness control system, a DMI distance test system, a vehicle-mounted inverter power supply, a data and power supply connecting cable, data acquisition and processing software, a mechanical measurement structure, a tractor connecting device and the like. The measurable live-action image (DMI) is a basic geographic information product formed by a ground close-range photogrammetry stereo image file and external orientation elements thereof, and a development kit provided by the measurable live-action image can be used for directly measuring the stereo image, extracting information and integrating the information with other basic geographic information products, so that the DMI is a product for updating spatial information of a basic geographic information database of China to adapt to measurement and acquisition as required.
The road surface damage condition monitoring device 7 is a high-resolution video intelligent data acquisition device based on a digital image technology, is used for monitoring road assets and road surface damage conditions, can quickly, accurately and real-timely monitor and calculate index data such as damage, forward landscape, GPS coordinates, testing speed and driving distance of road surfaces of various levels, and comprises a road surface damage monitoring system, a road condition monitoring system, a GPS positioning system, a DMI distance testing system, a data acquisition computer, a data acquisition host system, image acquisition and processing software, a mounting bracket and the like.
The pavement deflection monitoring equipment 8 can quickly, accurately and real-timely monitor and calculate index data such as deflection values, standard deviations, measuring point column numbers, dynamic elastic moduli and the like of road pavements of all levels, and the pavement deflection monitoring equipment 8 comprises a data acquisition computer, a data acquisition host system, a mechanical measurement system, a temperature measurement system, a DMI distance test system, a vehicle-mounted inverter power supply, a data and power supply connecting line, data acquisition and processing software, a loading vehicle, a connecting device and the like.
The data storage and transmission device 20 includes a storage device for storing the road surface condition data collected by the data collection device cluster 10, and an optical fiber transmission channel for transmitting the road surface condition data in the storage device to the data reception and analysis device 30. In addition, the optical fiber transmission channel can be replaced by a broadband network, the optical fiber transmission speed is high, the information loss is less, and the optical fiber transmission channel is taken as a preferred embodiment.
The embodiment of the utility model provides an in, data acquisition equipment cluster 10 gathers behind the road surface situation data, for avoiding data loss to consider that the pencil arranges the convenience, does not directly transmit road surface situation data to data reception and analytical equipment 30, but collects the storage device on roadside with the road surface situation data earlier. The storage device should meet the following requirements: (1) the backup function can automatically backup the acquired data to prevent loss; (2) the breakpoint continuous transmission function can continuously upload data after the system is recovered when the problems of power failure, equipment damage, network failure and the like occur; (3) the automatic upload function uploads data at a fixed time (e.g., 24 hours a day) according to a setting.
The data receiving and analyzing device 30 is used for receiving the road surface condition data transmitted by the optical fiber transmission channel and analyzing the road surface condition data to obtain a disease state, the data receiving and analyzing device 30 can be one or more terminal devices such as desktop computers and notebooks, the terminal devices comprise a data receiving server and data analyzing software, the data receiving server receives the data transmitted by the optical fiber transmission channel and converts the collected original data into a data format which can be identified by the data analyzing software, and the data analyzing software analyzes and compares the data according to the preposed analyzing software, searches for road surface structure diseases according to categories and feeds back the road surface structure diseases to workers in time, so that the purpose of intelligent perception is achieved.
Up to this point, the present embodiment has been described in detail with reference to the accompanying drawings. From the above description, those skilled in the art should have clear understanding of the utility model of the road surface structure monitoring system based on multi-sensor fusion.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
It should be noted that throughout the drawings, like elements are represented by like or similar reference numerals. In the following description, some specific embodiments are for illustrative purposes only, and should not be construed as limiting the invention in any way, but merely as exemplifications of embodiments of the invention. Conventional structures or constructions will be omitted when they may obscure the understanding of the present invention. It should be noted that the shapes and sizes of the respective components in the drawings do not reflect actual sizes and proportions, but merely illustrate the contents of the embodiments of the present invention.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A road surface structure monitoring system based on multisensor fuses which characterized in that includes:
the data acquisition equipment cluster (10) comprises at least two types of data acquisition equipment and is used for acquiring road surface condition data in real time;
and the data receiving and analyzing equipment (30) is connected with the data acquisition equipment cluster (10) and is used for receiving and analyzing the road surface condition data to obtain a disease state.
2. Pavement structure monitoring system according to claim 1, characterized in that the cluster of data acquisition devices (10) comprises real-time data acquisition devices buried inside the road and/or real-time data acquisition devices placed on the side of the road.
3. The pavement structure monitoring system of claim 2, wherein the real-time data acquisition device embedded in the interior of the pavement comprises: one or more of a temperature and humidity sensor (1), a strain gauge (2), a deflectometer (3), a soil pressure gauge (4) and a water retention rate sensor (5).
4. A pavement structure monitoring system according to claim 2, wherein said real-time data acquisition device disposed on the side of the roadway comprises: the anti-skid capacity monitoring device (6), the road surface damage condition monitoring device (7) and the road surface deflection monitoring device (8).
5. Pavement structure monitoring system according to any of claims 1-4, characterized in that said cluster of data acquisition devices (10) is plural.
6. The pavement structure monitoring system of claim 1, further comprising:
the data storage and transmission equipment (20) is connected with the data acquisition equipment cluster (10) and is used for storing the road surface condition data and transmitting the road surface condition data to the data receiving and analyzing equipment (30).
7. Pavement structure monitoring system according to claim 6, characterized in that said data storage and transmission device (20) comprises:
the storage equipment is used for storing the road condition data acquired by the data acquisition equipment cluster (10);
a fiber optic transmission channel for transmitting the road surface condition data in the storage device to the data receiving and analyzing device (30).
8. Pavement structure monitoring system according to claim 1, characterized in that the data receiving and analyzing device (30) is one or more desktop computers or notebooks.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514250A (en) * | 2019-09-26 | 2019-11-29 | 中交公规土木大数据信息技术（北京）有限公司 | A kind of pavement structure monitoring system based on Multi-sensor Fusion |
| CN112414461A (en) * | 2020-11-11 | 2021-02-26 | 长沙理工大学 | Measurement system for dynamic mechanical response of intelligent acquisition concrete surface layer |
| CN112414460A (en) * | 2020-11-11 | 2021-02-26 | 长沙理工大学 | Measurement system for intelligence is gathered bituminous surface layer dynamic mechanics response |
| CN112414459A (en) * | 2020-11-11 | 2021-02-26 | 长沙理工大学 | Measurement system for intelligence acquisition road surface basic unit developments mechanics response |
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2019
- 2019-09-26 CN CN201921615503.4U patent/CN210533428U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514250A (en) * | 2019-09-26 | 2019-11-29 | 中交公规土木大数据信息技术（北京）有限公司 | A kind of pavement structure monitoring system based on Multi-sensor Fusion |
| CN112414461A (en) * | 2020-11-11 | 2021-02-26 | 长沙理工大学 | Measurement system for dynamic mechanical response of intelligent acquisition concrete surface layer |
| CN112414460A (en) * | 2020-11-11 | 2021-02-26 | 长沙理工大学 | Measurement system for intelligence is gathered bituminous surface layer dynamic mechanics response |
| CN112414459A (en) * | 2020-11-11 | 2021-02-26 | 长沙理工大学 | Measurement system for intelligence acquisition road surface basic unit developments mechanics response |
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