CN103868600A - Asphalt pavement paving temperature on-line measurement device - Google Patents
Asphalt pavement paving temperature on-line measurement device Download PDFInfo
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- CN103868600A CN103868600A CN201410065601.0A CN201410065601A CN103868600A CN 103868600 A CN103868600 A CN 103868600A CN 201410065601 A CN201410065601 A CN 201410065601A CN 103868600 A CN103868600 A CN 103868600A
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- temperature
- infrared imager
- thermal infrared
- paving
- cooling
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Abstract
The invention discloses an asphalt pavement paving temperature on-line measurement device. A thermal infrared imager of the on-line measurement device is arranged in a cooling box of a liquid cooling system, the cooling box wall totally consists of three layers, gaps are left among all layers, asbestos with heat insulation effects is filled in the gap between the outermost layer and the secondary outer layer, circulation cooling liquid with cooling effects is encapsulated in the gap between the secondary outer layer and the inner layer, a pulse coder and the thermal infrared imager transmit information to a computer for carrying out data analysis processing through a matched circuit, the temperature around the thermal infrared imager is controlled to be within the range being 0 to +40 DEG C through a calculation control liquid cooling system, and if the temperature exceeds the rated work temperature range, or the paving temperature does not conform to the paving requirement, a warning circuit connected with the computer can give a warning. The asphalt pavement paving temperature on-line measurement device has the advantages that the on-line measurement of the paving temperature of the asphalt pavement can be realized in high-temperature environment, the asphalt paving temperature can be enabled to be in the normal paving range, in addition, the temperature analysis on the concrete road segment can be conveniently realized, and the goal of improving the pavement paving quality is reached.
Description
Technical field
The present invention relates to a kind of temperature online measurement mechanism, especially for the on-line measurement of bituminous pavement paving temperature.
Background technology
The temperature that paves is determining the Pavement Performance of compound entirety, mainly comprises the sticky stickiness between overall compactness and levels, thereby must be paid attention to for the detection of the temperature that paves.The control of the extra viscosity to hot-mix asphalt mixture in existing construction is mostly confined to the method for point type thermometric, and because point type temp measuring method exists the shortcomings such as thermometric randomness is large, thermometric time delay is long, thermometric need to contact, the control of road pavement quality is very limited.Practice shows that thermal infrared imager plays very important effect to improving pavement quality in bituminous pavement paving process.But in asphalt paving process, ambient temperature is higher, the temperature that paves is generally+130 DEG C～+ 180 DEG C left and right, far beyond the highest normal working temperature of thermal infrared imager+40 DEG C, the hot environment in asphalt paving process is not suitable for the normal work of thermal infrared imager.
Summary of the invention
For the problem of above-mentioned existence, the object of the present invention is to provide that a kind of measuring accuracy is high, simple in structure, measuring speed is fast, can under hot conditions, measure and can accurately show the bituminous pavement paving temperature online measurement mechanism of each temperature of whole road surface.
The present invention realizes by following technical proposals: a kind of bituminous pavement paving temperature online measurement mechanism, comprise thermal infrared imager, liquid cooling system, pulse encoder, warning circuit, match circuit, computing machine, described liquid cooling system is by cooling tank, pump, heating radiator forms, be arranged on paver vehicle, described thermal infrared imager is arranged on screw in the cooling tank of liquid cooling system, cooling tank wall forms by three layers altogether, between each layer, leave gap, in outermost layer and time outer lamellar spacing, fill the asbestos with heat-blocking action, the in-built circulating cooling liquid that has had cooling effect in inferior skin and interior lamellar spacing, the liquid coolant heating radiator of flowing through plays cooling effect, form a closed circuit by pump again, described cooling tank top arranges two apertures with enciphering valve, data line for thermal infrared imager is connected with computing machine and power supply adaptor with power lead, the required 220V power supply of described thermal infrared imager accesses in paver vehicle by Pyrotenax, its switch is located in paver vehicle, described computing machine and pulse encoder are installed in paver vehicle, thermal infrared imager is connected with computing machine by match circuit with pulse encoder, accurately locate the position, road surface of each point for measuring temperature by pulse encoder, make the temperature value of each point and the particular location on road surface on thermal imaging system display, measured corresponding, described computing machine is connected with warning circuit, when infrared thermal imager operation temperature exceeds its nominal operation temperature range, the temperature that maybe ought pave does not meet the requirement that paves, described warning circuit is all reported to the police.
As optimal way of the present invention, described thermal infrared imager is reinforced with 304 anti-high temperature Fang Huan in the cooling tank of liquid cooling system.
As optimal way of the present invention, the outermost layer of described cooling tank, inferior skin and internal layer are by 304 anti-high-temperature material compositions.
As optimal way of the present invention, described heating radiator be thin copper pipe be coiled into be with gapped cylindrical shape radiator structure, its cylinder in-core is the rotating shaft with flabellum.
The present invention compared with prior art tool has the following advantages:
(1) the present invention utilizes thermal infrared imager to realize the accurate temperature measurement on-line to each point of whole road surface, also can accurately measure the temperature that paves of bituminous pavement for ensureing thermal infrared imager normal work under hot environment, the present invention has added liquid cooling system, liquid coolant by circulation is lowered the temperature to thermal infrared imager, cooling system can be controlled at thermal infrared imager temperature around within the scope of 0 DEG C～+ 40 DEG C, thereby can ensure that thermal infrared imager normally works under hot environment at the scene.
(2) the present invention utilizes the pulse number of pulse encoder collection to calculate the distance paving, and locates the position, road surface of each point for measuring temperature, makes the temperature value of each point and the particular location on road surface on thermal imaging system display, measured corresponding.
(3) the present invention is provided with warning circuit, when infrared thermal imager operation temperature exceeds its nominal operation temperature range, maybe paves while requiring when the temperature that paves does not meet, and described warning circuit all can send warning.
(4) the present invention is simple in structure, measuring speed is fast, processing ease.
Brief description of the drawings
Fig. 1 is that parts of the present invention connect calcspar.
Fig. 2 is structure diagram of the present invention.
Fig. 3 is liquid cooling system structure diagram of the present invention.
Fig. 4 is the scheme of installation of thermal infrared imager of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
The each parts of the present invention connect calcspar referring to Fig. 1.The course of work of the present invention is: by thermal imaging system collection heat picture information, through match circuit, communication is carried out to analyzing and processing in computing machine, obtain the temperature of each point of whole road surface; Locate the position, road surface of each point for measuring temperature by pulse encoder, make the temperature value of each point and the particular location on road surface on thermal imaging system display, measured corresponding; Ensure that by controlling liquid cooling system thermal infrared imager is operated in nominal operation temperature range, if exceed specified operating temperature range, the warning circuit being connected with computing machine is reported to the police, stop measuring system, prevent from damaging thermal imaging system, if the temperature that paves does not meet the requirement that paves, warning circuit is reported to the police equally, paver vehicle stops paving, thereby ensureing that asphalt paving temperature is in paves in scope normally, improves the spreading quality on road surface.
Referring to Fig. 2, Fig. 3 and Fig. 4, thermal infrared imager 11 of the present invention is arranged in the cooling tank A of liquid cooling system, and the screw hole 6 that passes cooling tank side by screw is fixed on cooling tank A above by thermal infrared imager 11, reinforces with 304 anti-high temperature sides rings 7 simultaneously.Liquid cooling system is arranged on tar spraying car.The tank wall outermost layer 3 of the cooling tank A of liquid cooling system, inferior outer 4 and internal layer 5 formed by 304 materials, between each layer, leave gap, inferior outer 4 with the gap of outermost layer 3 in fill the asbestos with heat-blocking action, inferior outer 4 and the gap of internal layer 5 in the circulating cooling liquid of cooling effect has been housed.Two apertures 1 with enciphering valve and aperture 2 are arranged at cooling tank A top, are respectively used to being connected of thermal infrared imager data line and computing machine and being connected of power lead and power supply adaptor; Liquid coolant flows through after cooling tank A in the heat dissipation copper pipe 8 of inflow radiator again, rotates by driven by motor rotating shaft 9, drives flabellum 10 to rotate, and the liquid coolant in heat dissipation copper pipe 8 is dispelled the heat.In addition, computing machine is arranged in paver vehicle, and the power supply of the required 220V of thermal infrared imager accesses in paver vehicle by Pyrotenax, and switch is located in paver vehicle.
Thermal infrared imager of the present invention adopts the Germany that model is VCI680 to produce research-based thermal infrared imager, its dimensional parameters is: 133 (length) × 106 (wide) × 110 (height), the hot focus planardetector of 640 × 480 pixel trace, measuring accuracy can reach ± and 1 DEG C, operating temperature range is: 0 DEG C～+ 40 DEG C, heat sensitivity can reach 30mK, data line interface and electric source line interface are arranged at this thermal imaging system bottom, data line interface is connected with computing machine by pci bus, and electric source line interface is connected with Pyrotenax by power supply adaptor.
The pulse encoder that the model that pulse encoder of the present invention adopts Omron Corp to produce is E6C2, the pulse number gathering by pulse encoder calculates the distance paving, locate the position, road surface of each point for measuring temperature, make the temperature value of each point and the particular location on road surface on thermal imaging system display, measured corresponding.
Claims (4)
1. a bituminous pavement paving temperature online measurement mechanism, comprise thermal infrared imager, it is characterized in that, also comprise liquid cooling system, pulse encoder, warning circuit, match circuit, computing machine, described liquid cooling system is by cooling tank, pump, heating radiator forms, be arranged on paver vehicle, described thermal infrared imager is arranged on screw in the cooling tank of liquid cooling system, cooling tank wall forms by three layers altogether, between each layer, leave gap, in outermost layer and time outer lamellar spacing, fill the asbestos with heat-blocking action, the in-built circulating cooling liquid that has had cooling effect in inferior skin and interior lamellar spacing, the liquid coolant heating radiator of flowing through plays cooling effect, form a closed circuit by pump again, described cooling tank top arranges two apertures with enciphering valve, data line for thermal infrared imager is connected with computing machine and power supply adaptor with power lead, the required 220V power supply of described thermal infrared imager accesses in paver vehicle by Pyrotenax, its switch is located in paver vehicle, described computing machine and pulse encoder are installed in paver vehicle, thermal infrared imager is connected with computing machine by match circuit with pulse encoder, accurately locate the position, road surface of each point for measuring temperature by pulse encoder, make the temperature value of each point and the particular location on road surface on thermal imaging system display, measured corresponding, described computing machine is connected with warning circuit, when infrared thermal imager operation temperature exceeds its nominal operation temperature range, the temperature that maybe ought pave does not meet the requirement that paves, described warning circuit is all reported to the police.
2. the asphalt pavement according to claim 1 temperature online measurement mechanism that paves, is characterized in that, described thermal infrared imager is reinforced with 304 anti-high temperature Fang Huan in the cooling tank of liquid cooling system.
3. the asphalt pavement according to claim 1 temperature online measurement mechanism that paves, is characterized in that, the outermost layer of described cooling tank, inferior skin and internal layer are by 304 anti-high-temperature materials compositions.
4. the asphalt pavement according to claim 1 temperature online measurement mechanism that paves, is characterized in that, described heating radiator be thin copper pipe be coiled into be with gapped cylindrical shape radiator structure, its cylinder in-core is the rotating shaft with flabellum.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410065601.0A CN103868600B (en) | 2014-02-26 | 2014-02-26 | Bituminous pavement paving temperature online measurement mechanism |
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| CN201410065601.0A CN103868600B (en) | 2014-02-26 | 2014-02-26 | Bituminous pavement paving temperature online measurement mechanism |
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| CN103868600A true CN103868600A (en) | 2014-06-18 |
| CN103868600B CN103868600B (en) | 2016-05-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898742A (en) * | 2015-06-26 | 2015-09-09 | 德阳瑞能电力科技有限公司 | Bituminous pavement construction process temperature measuring system and method |
| CN104931143A (en) * | 2015-05-27 | 2015-09-23 | 刘清华 | Vehicle on-line monitoring device for asphalt pavement temperature segregation |
| CN113237560A (en) * | 2021-05-10 | 2021-08-10 | 云南锡业股份有限公司铜业分公司 | Automatic temperature measurement method for slag ladle car vehicle-mounted device |
| CN113483900A (en) * | 2021-06-24 | 2021-10-08 | 燕山大学 | Infrared radiation aluminum alloy plate temperature field measuring method based on black body point online calibration |
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| JPS649327A (en) * | 1987-06-30 | 1989-01-12 | Sharp Kk | Noncontact-type measuring apparatus of temperature of road surface |
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| CN101841072A (en) * | 2010-02-09 | 2010-09-22 | 北汽福田汽车股份有限公司 | Liquid cooling system of storage battery and liquid cooling method of storage battery |
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2014
- 2014-02-26 CN CN201410065601.0A patent/CN103868600B/en not_active Expired - Fee Related
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| JPS649327A (en) * | 1987-06-30 | 1989-01-12 | Sharp Kk | Noncontact-type measuring apparatus of temperature of road surface |
| US20040084623A1 (en) * | 2002-11-06 | 2004-05-06 | Yicheng Long | NIR spectroscopy method for analyzing chemical process components |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931143A (en) * | 2015-05-27 | 2015-09-23 | 刘清华 | Vehicle on-line monitoring device for asphalt pavement temperature segregation |
| CN104898742A (en) * | 2015-06-26 | 2015-09-09 | 德阳瑞能电力科技有限公司 | Bituminous pavement construction process temperature measuring system and method |
| CN113237560A (en) * | 2021-05-10 | 2021-08-10 | 云南锡业股份有限公司铜业分公司 | Automatic temperature measurement method for slag ladle car vehicle-mounted device |
| CN113483900A (en) * | 2021-06-24 | 2021-10-08 | 燕山大学 | Infrared radiation aluminum alloy plate temperature field measuring method based on black body point online calibration |
| CN113483900B (en) * | 2021-06-24 | 2022-05-10 | 燕山大学 | Infrared radiation aluminum alloy plate temperature field measuring method based on black body point online calibration |
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| CN103868600B (en) | 2016-05-04 |
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