CN214583662U - Asphalt pavement compaction temperature detection system - Google Patents
Asphalt pavement compaction temperature detection system Download PDFInfo
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- CN214583662U CN214583662U CN202120757324.5U CN202120757324U CN214583662U CN 214583662 U CN214583662 U CN 214583662U CN 202120757324 U CN202120757324 U CN 202120757324U CN 214583662 U CN214583662 U CN 214583662U
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- temperature
- optical fiber
- computer
- asphalt pavement
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- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 238000005056 compaction Methods 0.000 title claims abstract description 27
- 239000010426 asphalt Substances 0.000 title claims abstract description 19
- 239000013307 optical fiber Substances 0.000 claims abstract description 29
- 238000010276 construction Methods 0.000 claims abstract description 27
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 15
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 239000011241 protective layer Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000011247 coating layer Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000005096 rolling process Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
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- Road Paving Machines (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Radiation Pyrometers (AREA)
Abstract
The utility model relates to a bituminous paving compaction temperature detecting system, it includes that the temperature sensing surveys optic fibre, thermal infrared imager, DTS temperature measurement system, computer, temperature early warning system, wherein, the temperature sensing surveys optic fibre is connected to DTS temperature measurement system's input, and the input of computer is connected to DTS temperature measurement system's output, the input of computer is connected to thermal infrared imager's output, the output of computer is connected temperature early warning system. According to the asphalt pavement compaction temperature detection system, the distributed optical fiber sensors in the shape of the Chinese character 'hui' are arranged on the same horizontal plane, so that the temperature of each point of a position to be detected can be conveniently and accurately measured, the difference between the thermal infrared imager temperature value and the distributed optical fiber sensor temperature value in the same vertical direction is calculated, an alarm prompt is sent according to the difference value to check the rolling quality of the pavement to be detected, certain construction guidance is provided for a subsequent rolling method, and the construction quality is guaranteed to the greatest extent.
Description
Technical Field
The utility model relates to a highway bituminous paving construction field, concretely relates to bituminous paving compaction temperature detecting system.
Background
As an important road surface type in China, the long-term service performance of the asphalt road surface is influenced by multiple factors, such as natural environment, vehicle load, design level, construction quality and the like. In order to ensure the service life of the asphalt pavement, it is necessary to strictly control the construction quality of the asphalt pavement. Compaction is a key control link in the construction process of the asphalt pavement, and the compaction temperature, the compaction pass and the like in the compaction construction are important control indexes.
At present, the common compaction quality detection in the construction process mainly comprises a coring sampling inspection method and an infrared image instrument method, wherein the coring sampling inspection method is complex in operation and cannot realize real-time monitoring of the compaction condition, if the compaction quality is unqualified, the asphalt pavement internal temperature can not be detected by the infrared image instrument method, and the measurement precision needs to be improved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the system can conveniently and accurately measure the temperature of each point of a position to be measured, and send an alarm prompt to check the rolling quality of the road surface to be measured, thereby ensuring the construction quality to the maximum extent.
This bituminous paving compaction temperature detecting system is including laying the temperature sensing detection optic fibre in the road surface of being under construction, installing thermal infrared imager in the road roller side, the DTS temperature measurement system that is used for carrying out signal conversion, the computer that is used for carrying out the difference calculation, the temperature early warning system that is used for detecting the suggestion, wherein, the temperature sensing detection optic fibre is connected to DTS temperature measurement system's input, and the input of computer is connected to DTS temperature measurement system's output, the input of computer is connected to thermal infrared imager's output, the output of computer is connected the temperature early warning system.
In order to optimize the structure of the temperature-sensing detection optical fiber, the temperature-sensing detection optical fiber is an armored multimode quartz optical fiber and comprises a fiber core and an outer protective layer, and the outer protective layer is a metal sleeve.
Further, an insulating coating layer is arranged between the fiber core and the outer protective layer.
In order to optimize the structure of the temperature-sensing detection optical fiber, the temperature-sensing detection optical fiber is laid in the construction pavement in a turn-back mode.
In order to conveniently and accurately measure the temperature of each point of the position to be measured, the DTS temperature measuring system is arranged on one side of the construction pavement.
In order to obtain an accurate temperature difference value, the height of the thermal infrared imager from the construction pavement is 10-15 cm.
In order to realize detection alarm prompt, the temperature early warning system comprises an audible and visual alarm.
The utility model relates to a bituminous paving compaction temperature detecting system can acquire in real time and roll the temperature, and the accurate positioning rolls the bad department of quality. The distributed optical fiber sensors in the shape of the Chinese character 'hui' are arranged on the same horizontal plane, so that the temperature of each point of a position to be measured can be conveniently and accurately measured, the difference between the thermal infrared imager temperature value and the distributed optical fiber sensor temperature value in the same vertical direction is calculated, an alarm prompt is sent according to the difference value to check the rolling quality of the road surface to be measured, certain construction guidance is provided for a subsequent rolling method, and the construction quality is guaranteed to the maximum extent.
Drawings
The utility model discloses an asphalt pavement compaction temperature detecting system is further explained below with the accompanying drawing:
FIG. 1 is a block diagram of a logical structure connecting the line of the present system for detecting compaction temperature of asphalt pavement;
FIG. 2 is a schematic cross-sectional view of the temperature sensing detection optical fiber of the asphalt pavement compaction temperature detection system;
FIG. 3 is a construction pavement laying diagram of the temperature sensing detection optical fiber of the asphalt pavement compaction temperature detection system.
In the figure:
1-temperature sensing detection optical fiber, 2-thermal infrared imager, 3-DTS temperature measurement system, 4-computer, 5-temperature early warning system;
11-fiber core, 12-outer protective layer and 13-insulating coating layer.
Detailed Description
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Embodiment 1: as shown in fig. 1, the asphalt pavement compaction temperature detection system comprises a temperature sensing detection optical fiber 1 laid in a construction pavement, a thermal infrared imager 2 installed on the side surface of a road roller, a DTS temperature measurement system 3 for signal conversion, a computer 4 for difference calculation, and a temperature early warning system 5 for detection prompt, wherein the input end of the DTS temperature measurement system 3 is connected with the temperature sensing detection optical fiber 1, the output end of the DTS temperature measurement system 3 is connected with the input end of the computer 4, the output end of the thermal infrared imager 2 is connected with the input end of the computer 4, and the output end of the computer 4 is connected with the temperature early warning system 5. The temperature early warning system 5 comprises an audible and visual alarm. And further realize the warning prompt of the pavement quality detection.
Embodiment 2: as shown in fig. 2, the temperature-sensing detection optical fiber 1 is an armored multimode silica optical fiber, and includes a fiber core 11 and an outer sheath 12, where the outer sheath 12 is a metal sleeve. An insulating coating layer 13 is arranged between the fiber core 11 and the outer protective layer 12. The temperature-sensing detection optical fiber structure is optimized. The remaining structure and components are as described in embodiment 1, and the description will not be repeated.
Embodiment 3: as shown in fig. 3, the temperature-sensitive detection optical fiber 1 is laid in a construction road surface in a folded manner. The temperature-sensing detection optical fiber structure is optimized. The DTS temperature measurement system 3 is arranged on one side of a construction road surface. The DTS temperature measurement system measures the temperature every 0.5m, and the temperature resolution can reach 0.05 ℃. The temperature measuring device is used for conveniently and accurately measuring the temperature of each point of the position to be measured. The height of the thermal infrared imager 2 from the construction pavement is 10-15 cm. For obtaining an accurate temperature difference. The remaining structure and components are as described in embodiment 2, and the description will not be repeated.
The working principle is as follows: the temperature sensing detection optical fiber collects temperature signals of a construction pavement, the DTS temperature measurement system converts optical signals transmitted by the temperature sensing detection optical fiber into electric signals, the computer converts the electric signals transmitted by the DTS into temperature values detected by the optical fiber through mediation software, meanwhile, the computer receives the temperature values transmitted by the thermal infrared imager and calculates difference values of the temperature values, and if the difference values exceed a certain rule range, the temperature early warning system is calculated and controlled to give an alarm, and then the rolling condition of a temperature position to be detected is detected.
This bituminous paving compaction temperature detecting system can acquire in real time and roll the temperature, and the poor department of accurate positioning rolling quality. The distributed optical fiber sensors in the shape of the Chinese character 'hui' are arranged on the same horizontal plane, so that the temperature of each point of a position to be measured can be conveniently and accurately measured, the difference between the thermal infrared imager temperature value and the distributed optical fiber sensor temperature value in the same vertical direction is calculated, an alarm prompt is sent according to the difference value to check the rolling quality of the road surface to be measured, certain construction guidance is provided for a subsequent rolling method, and the construction quality is guaranteed to the maximum extent.
The above description shows the main features, the basic principles, and the advantages of the invention. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments or examples, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The foregoing embodiments or examples are therefore to be considered in all respects illustrative and not restrictive. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A bituminous pavement compaction temperature detection system is characterized in that: comprises a temperature sensing detection optical fiber (1) laid in a construction road surface, an infrared thermal imager (2) arranged on the side surface of the road roller, a DTS temperature measurement system (3) for signal conversion, a computer (4) for difference calculation and a temperature early warning system (5) for detection prompt, wherein,
the input end of the DTS temperature measuring system (3) is connected with the temperature sensing detection optical fiber (1), the output end of the DTS temperature measuring system (3) is connected with the input end of the computer (4), the output end of the thermal infrared imager (2) is connected with the input end of the computer (4), and the output end of the computer (4) is connected with the temperature early warning system (5).
2. The asphalt pavement compaction temperature detection system of claim 1, wherein: the temperature-sensing detection optical fiber (1) is an armored multimode silica optical fiber and comprises a fiber core (11) and an outer protective layer (12), and the outer protective layer (12) is a metal sleeve.
3. The asphalt pavement compaction temperature detection system of claim 2, wherein: an insulating coating layer (13) is arranged between the fiber core (11) and the outer protective layer (12).
4. The asphalt pavement compaction temperature detection system of claim 3, wherein: the temperature-sensing detection optical fiber (1) is laid in a construction road surface in a turn-back mode.
5. The asphalt pavement compaction temperature detection system of claim 3, wherein: the DTS temperature measurement system (3) is arranged on one side of a construction road surface.
6. The asphalt pavement compaction temperature detection system of claim 3, wherein: the height of the thermal infrared imager (2) from the construction pavement is 10-15 cm.
7. The asphalt pavement compaction temperature detection system of claim 3, wherein: the temperature early warning system (5) comprises an audible and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120757324.5U CN214583662U (en) | 2021-04-13 | 2021-04-13 | Asphalt pavement compaction temperature detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120757324.5U CN214583662U (en) | 2021-04-13 | 2021-04-13 | Asphalt pavement compaction temperature detection system |
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| Publication Number | Publication Date |
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| CN214583662U true CN214583662U (en) | 2021-11-02 |
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| CN202120757324.5U Active CN214583662U (en) | 2021-04-13 | 2021-04-13 | Asphalt pavement compaction temperature detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369726A (en) * | 2022-09-01 | 2022-11-22 | 淮北连通市政工程有限公司 | Asphalt concrete construction equipment and construction method |
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2021
- 2021-04-13 CN CN202120757324.5U patent/CN214583662U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369726A (en) * | 2022-09-01 | 2022-11-22 | 淮北连通市政工程有限公司 | Asphalt concrete construction equipment and construction method |
| CN115369726B (en) * | 2022-09-01 | 2024-04-12 | 淮北连通市政工程有限公司 | Asphalt concrete construction equipment and construction method |
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