CN221052321U - Bituminous paving roughness monitoring device - Google Patents
Bituminous paving roughness monitoring device Download PDFInfo
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- CN221052321U CN221052321U CN202322021169.2U CN202322021169U CN221052321U CN 221052321 U CN221052321 U CN 221052321U CN 202322021169 U CN202322021169 U CN 202322021169U CN 221052321 U CN221052321 U CN 221052321U
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- 238000012806 monitoring device Methods 0.000 title claims description 14
- 230000001133 acceleration Effects 0.000 claims abstract description 32
- 238000006073 displacement reaction Methods 0.000 claims abstract description 32
- 239000010426 asphalt Substances 0.000 claims abstract description 18
- 230000003750 conditioning effect Effects 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims description 50
- 238000004364 calculation method Methods 0.000 claims description 11
- 230000010354 integration Effects 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 11
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000004590 computer program Methods 0.000 description 2
- 238000013075 data extraction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a device for monitoring the flatness of an asphalt pavement, which relates to the technical field of pavement construction quality detection and comprises the following components: the system comprises a vibration acceleration sensor, a laser displacement sensor, signal conditioning equipment, a power supply module, a multifunctional data acquisition card and an upper computer. The method comprises the steps of continuously collecting the vertical distance from the laser displacement sensor to the road surface, obtaining the vibration quantity of the road surface by utilizing the secondary integration of the vibration acceleration signal of the vibration acceleration sensor arranged on the steel wheel road roller, and obtaining the vertical section relative elevation of the road surface by the difference between the collected vertical distance from the displacement sensor to the road surface and the vibration quantity of the steel wheel road roller, so as to obtain the flatness value. In addition, a linear relation between the intelligently acquired flatness value and the standard deviation of the longitudinal relative elevation of the pavement detected by the continuous planimeter is also established. The flatness value acquired by the method can monitor the flatness of the pavement in real time and continuously, improves the construction quality of the asphalt pavement, and has high popularization and application values.
Description
Technical Field
The utility model belongs to the technical field of pavement construction quality detection, and particularly relates to an asphalt pavement flatness monitoring device.
Background
Flatness is an important index for controlling construction quality of asphalt pavement, road flatness directly reflects comfort of vehicle running, uneven pavement is easy to accumulate rainwater, water damage occurs under long-term action, service life of the pavement is affected, and therefore accuracy, intelligence and instantaneity of detection are hot problems in the field of flatness. The traditional flatness detection method not only needs to input a large amount of manpower, material resources and time for single-point test, but also has limited detection level for tested personnel, and the precision and the efficiency can not meet the detection requirement of the flatness of the road surface of the contemporary society. At present, although a vehicle-mounted flatness profiler and the like can be used for detecting flatness, most of the flatness profilers cannot monitor in real time in a construction stage, road surface data cannot be displayed in real time in the construction stage, the detected data cannot be fed back to a road surface construction result in real time, and no corresponding alarm facility can be used for workers to intuitively obtain the result whether the road surface flatness exceeds an early warning value.
Therefore, there is an urgent need for an asphalt pavement evenness monitoring device to realize pavement evenness continuous, real-time monitoring and alarming.
Disclosure of utility model
The utility model aims to provide an asphalt pavement evenness monitoring device, so that the defects that the existing vehicle-mounted evenness profiler and the like can be used for detecting evenness, but most of the devices cannot be used for real-time monitoring in a construction stage, road surface data cannot be displayed in real time in the construction stage, the detected data cannot be fed back to a road surface construction result in real time, and no corresponding alarm facility is available for workers to intuitively obtain whether the evenness of the road surface exceeds an early warning value result are overcome. The specific technical scheme is as follows:
An asphalt pavement evenness monitoring device, comprising: the system comprises a vibration acceleration sensor, a laser displacement sensor, signal conditioning equipment, a power supply module, a multifunctional data acquisition card and an upper computer; the vibration acceleration sensor is connected with the multifunctional data acquisition card through the signal conditioning equipment, the laser displacement sensor is connected with the power supply module, the laser displacement sensor is also connected with the multifunctional data acquisition card, and the multifunctional data acquisition card is connected with the upper computer; the signal conditioning equipment is used for converting the data input by the vibration acceleration sensor into an electric signal form and outputting the electric signal form to the multifunctional data acquisition card; the multifunctional data acquisition card is used for acquiring and transmitting data to the upper computer for storage, processing and display, the upper computer is provided with a threshold comparison module and an alarm module, a standard threshold is arranged in the threshold comparison module, and the alarm module is started to alarm when the input data exceeds the standard threshold.
Preferably, the upper computer is provided with a data processing module, the input end of the data processing module is connected with the multifunctional data acquisition card, the data processing module comprises a difference processing module, and the difference processing module is used for performing difference calculation and then outputting result data.
Preferably, the data processing module further comprises a quadratic integration processing module, and the quadratic integration processing module is used for performing quadratic integration calculation and then outputting result data.
The system also comprises a continuous planeness meter, wherein the continuous planeness meter is used for detecting the flatness, and the flatness detected by the continuous planeness meter is used for being input into an upper computer for processing.
Preferably, the data processing module further comprises a standard deviation processing module, and the standard deviation processing module is used for calculating a standard deviation.
Preferably, the data processing module further comprises a curve drawing module, wherein the curve drawing module is used for drawing a linear fitting curve and outputting result data, and the result data is the drawn linear fitting curve.
Preferably, the upper computer is provided with a display screen for displaying the real-time data acquired by the multifunctional data acquisition card and the result data processed by the data processing module.
Preferably, the signal conditioning device is provided with a built-in storage battery for providing electric energy for the vibration acceleration sensor.
Preferably, the power supply mode of the power supply module is 24V constant current power supply.
Preferably, the model of the laser displacement sensor is HG-C1200; the vibration acceleration sensor is of a model CT1010LC; the signal conditioning equipment is of a model CT5201.
Compared with the prior art, the utility model has the following beneficial effects:
1. The vibration acceleration sensor and the laser displacement sensor are arranged to detect corresponding data, so that the data are transmitted to the multifunctional data acquisition card and are stored, processed and displayed in the upper computer, the vibration quantity can be obtained by installing the vibration acceleration sensor in a road roller and the like and then driving along with the vibration acceleration sensor, and the vertical distance from the displacement sensor to the road surface can be continuously acquired through the laser displacement sensor. The difference between the vertical distance from the displacement sensor to the road surface and the vibration quantity of the steel wheel road roller is the relative elevation of the longitudinal section of the road surface, and the standard deviation is the flatness. In addition, the upper computer is also provided with an alarm module, and when the detected flatness exceeds a threshold value, the alarm module alarms, so that the function of real-time alarm to immediately warn staff is realized.
2. The utility model also comprises a continuous planeness meter and a curve drawing module, the planeness is detected by the continuous planeness meter, the planeness and the planeness value measured by the laser displacement sensor and the vibration acceleration sensor are input into the curve drawing module, and a linear fitting curve based on the planeness obtained in two modes can be obtained.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic diagram of the modular connection of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "inside", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The terms "first," "second," "third," and the like, if any, are used for descriptive purposes only and for distinguishing between technical features and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
Example 1
As shown in fig. 1, the vibration acceleration sensor, the laser displacement sensor, the signal conditioning equipment, the power supply module, the multifunctional data acquisition card and the upper computer; the vibration acceleration sensor is connected with the multifunctional data acquisition card through the signal conditioning equipment, the laser displacement sensor is connected with the power supply module, the laser displacement sensor is also connected with the multifunctional data acquisition card, and the multifunctional data acquisition card is connected with the upper computer; the signal conditioning equipment is used for converting the data input by the vibration acceleration sensor into an electric signal form and outputting the electric signal form to the multifunctional data acquisition card; the multifunctional data acquisition card is used for acquiring data and transmitting the data to the upper computer for storage, processing and display, the upper computer is provided with a threshold comparison module and an alarm module, a standard threshold is arranged in the threshold comparison module, a standard threshold for data comparison is arranged in the threshold comparison module, and the alarm module is started to alarm when the input data exceeds the standard threshold.
When the vibration acceleration sensor is used, the vibration acceleration sensor is arranged on a steel wheel road roller of a final pressing process, the vibration acceleration sensor can be arranged on a roller, the laser displacement sensor can be arranged on a cross beam in the middle of the roller, and the vibration acceleration sensor and the laser displacement sensor can be arranged on the same horizontal plane. And then selecting a pavement (such as an asphalt pavement) with a fixed length (such as 1000 meters) at one end, rolling the pavement last time when the final-pressure steel wheel road roller finishes the finishing and leveling construction on the asphalt pavement, detecting the vertical distance from the displacement sensor to the pavement once by the laser displacement sensor arranged on the steel wheel road roller, and transmitting the acquired data to the multifunctional data acquisition card. Meanwhile, the vibration acceleration sensor can also detect vibration of the steel-wheel road roller once, and after data are transmitted to the signal conditioning equipment, the data are also transmitted to the multifunctional data acquisition card. The signal conditioning device transmits the isomorphic voltage signals of the original data transmitted by the vibration acceleration sensor to the multifunctional data acquisition card, and the data conversion and transmission process is the prior art and is not repeated.
The multifunctional data acquisition card transmits acquired data to the upper computer for storage and processing, the upper computer is provided with a data processing module, the data processing module comprises a secondary integration processing module and a difference processing module, the secondary integration processing module comprises a related formula of secondary integration, when the multifunctional data acquisition card is used, the data processing module is only required to input corresponding data into the secondary integration formula, a calculation result after the secondary integration can be output, the secondary integration formula is a basic mathematical formula, the data input mode in the secondary integration processing module can be manual input or can be input by the multifunctional data acquisition card, the data extraction and input and calculation process is the prior art, and the improvement of any computer program is not involved here. After this second integration, the data acquired by the vibration acceleration sensor will be processed into a vibration quantity.
The difference processing module is used for calculating the difference between the vertical distance (measured by the laser displacement sensor) from the displacement sensor to the road surface and the vibration quantity (output by the secondary integral processing module) of the steel wheel road roller, namely the relative elevation of the longitudinal section of the road surface, the difference processing module is the same as the secondary integral processing module, the difference formula used by the difference processing module is a basic mathematical formula, the data input mode can be manual input or can be input by a multifunctional data acquisition card, the data extraction and input and calculation processes are the prior art, and the improvement of any computer program is not involved. The flatness value can be obtained by standard deviation calculation of the relative elevation of the longitudinal section obtained after the difference processing module, the flatness value obtained finally is more visual, and the standard deviation calculation formula used in the flatness value is a mathematical basic formula and is not described more. The standard deviation calculation can be performed manually by a worker or can be obtained through a standard deviation processing module, wherein the standard deviation processing module is similar to the difference processing module and the secondary integration processing module, and the difference points are mathematical operation formulas contained in the standard deviation processing module.
The implementation measurement data and the result data of the data processing module obtained above can be displayed on the screen of the upper computer.
Example 2
The present embodiment further includes a continuous planimeter and a curve drawing module based on embodiment 1, which aims to increase a planeness detection mode, thereby obtaining two planeness results, and providing corresponding references for staff by comparing the two planeness results.
When the vibration acceleration sensor and the laser displacement sensor work, the continuous planeness sensor is started to work and transmit detection data to the upper computer, then the detection data are processed in a curve drawing module in the upper computer, the detection data can be manually input into the upper computer, the detection data can be transmitted to the upper computer in a wired transmission mode, a Bluetooth transmission mode or a wireless transmission mode through connection of the continuous planeness sensor, the detection data can be transmitted to the upper computer in a wired transmission mode, a Bluetooth transmission mode or a wireless transmission mode, the flatness (or flatness standard deviation) obtained by the vibration acceleration sensor and the laser displacement sensor is used as an abscissa (or an ordinate), the flatness (or flatness standard deviation) obtained by the continuous planeness sensor is used as an ordinate (or an abscissa), a linear fitting curve is drawn, a linear relation of flatness of two acquisition modes is obtained, and finally the obtained linear fitting curve is displayed on a display screen of the upper computer, and the curve drawing function of the curve drawing module can be realized through an excel table, and the curve drawing process is not repeated in the prior art.
In summary, the vibration acceleration sensor and the laser displacement sensor are arranged to detect corresponding data, so that the data are transmitted to the multifunctional data acquisition card and are stored, processed and displayed in the upper computer, the vibration quantity can be obtained by installing the vibration acceleration sensor in a road roller and the like and then driving the road roller, and the vertical distance from the displacement sensor to the road surface can be continuously acquired through the laser displacement sensor. The difference between the vertical distance from the displacement sensor to the road surface and the vibration quantity of the steel wheel road roller is the relative elevation of the longitudinal section of the road surface, and the standard deviation is the flatness. In addition, the upper computer is also provided with an alarm module, and when the detected flatness exceeds a threshold value, the alarm module alarms, so that the function of real-time alarm to immediately warn staff is realized. In addition, the utility model also comprises a continuous planeness meter and a curve drawing module, the planeness is detected by the continuous planeness meter, the planeness and the planeness value measured by the laser displacement sensor and the vibration acceleration sensor are input into the curve drawing module, so that a linear fitting curve based on planeness obtained in two modes can be obtained, and the difference of the two measuring methods can be obtained by the mode, so that workers can further process, and the problems in the background technology are solved.
The foregoing description of specific exemplary embodiments of the utility model has been presented for the purpose of illustration and description, but it is not intended to limit the utility model to the precise form disclosed, and it is apparent that many changes and modifications may be made in accordance with the above teachings, and while embodiments of the utility model have been shown and described, this specific embodiment is merely illustrative of the utility model and not restrictive, the particular features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner, the exemplary embodiments being selected and described for the purpose of explaining the specific principles of the utility model and its practical application, so that modifications, substitutions, variations, and various other changes may be made to the embodiments without creatively departing from the principles and spirit of the utility model as desired by those skilled in the art without departing from the scope of the patent claims.
Claims (10)
1. An asphalt pavement evenness monitoring device, comprising: the system comprises a vibration acceleration sensor, a laser displacement sensor, signal conditioning equipment, a power supply module, a multifunctional data acquisition card and an upper computer; the vibration acceleration sensor is connected with the multifunctional data acquisition card through the signal conditioning equipment, the laser displacement sensor is connected with the power supply module, the laser displacement sensor is also connected with the multifunctional data acquisition card, and the multifunctional data acquisition card is connected with the upper computer; the signal conditioning equipment is used for converting the data input by the vibration acceleration sensor into a voltage signal form and outputting the voltage signal form to the multifunctional data acquisition card; the multifunctional data acquisition card is used for acquiring and transmitting data to the upper computer for storage, processing and display, the upper computer is provided with a threshold comparison module and an alarm module, a standard threshold is arranged in the threshold comparison module, and the alarm module is started to alarm when the input data exceeds the standard threshold.
2. The asphalt pavement evenness monitoring device according to claim 1, wherein the upper computer is provided with a data processing module, the input end of the data processing module is connected with the multifunctional data acquisition card, the data processing module comprises a difference processing module, and the difference processing module is used for carrying out difference calculation and then outputting result data.
3. The asphalt pavement evenness monitoring device according to claim 2, wherein the data processing module further comprises a quadratic integral processing module, and the quadratic integral processing module is used for performing quadratic integral calculation and then outputting result data.
4. The asphalt pavement evenness monitoring device according to claim 1, further comprising a continuous evenness tester, wherein the continuous evenness tester is used for detecting evenness, and evenness detected by the continuous evenness tester is used for being input into an upper computer for processing.
5. A bituminous pavement evenness monitoring apparatus in accordance with any of claims 2-3 wherein the data processing module further comprises a standard deviation processing module for performing standard deviation calculations.
6. The asphalt pavement evenness monitoring device according to claim 5, wherein the data processing module further comprises a curve drawing module, the curve drawing module is used for drawing a linear fitting curve and outputting result data, and the result data is the drawn linear fitting curve.
7. The asphalt pavement evenness monitoring device according to claim 6, wherein the upper computer is provided with a display screen for displaying real-time data acquired by the multifunctional data acquisition card and result data processed by the data processing module.
8. The asphalt pavement evenness monitoring apparatus according to claim 1, wherein the signal conditioning device is provided with a built-in storage battery for supplying electric power to the vibration acceleration sensor.
9. The asphalt pavement evenness monitoring device according to claim 1, wherein the power supply mode of the power supply module is 24V constant current power supply.
10. The asphalt pavement evenness monitoring device according to claim 1, wherein the laser displacement sensor is of a model HG-C1200; the vibration acceleration sensor is of a model CT1010LC; the signal conditioning equipment is of a model CT5201.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322021169.2U CN221052321U (en) | 2023-07-31 | 2023-07-31 | Bituminous paving roughness monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322021169.2U CN221052321U (en) | 2023-07-31 | 2023-07-31 | Bituminous paving roughness monitoring device |
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| CN221052321U true CN221052321U (en) | 2024-05-31 |
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| CN202322021169.2U Active CN221052321U (en) | 2023-07-31 | 2023-07-31 | Bituminous paving roughness monitoring device |
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- 2023-07-31 CN CN202322021169.2U patent/CN221052321U/en active Active
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