CN110031130A - A kind of fluid heating snow melt road face temperature strain monitoring system - Google Patents
A kind of fluid heating snow melt road face temperature strain monitoring system Download PDFInfo
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- CN110031130A CN110031130A CN201910319449.7A CN201910319449A CN110031130A CN 110031130 A CN110031130 A CN 110031130A CN 201910319449 A CN201910319449 A CN 201910319449A CN 110031130 A CN110031130 A CN 110031130A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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Abstract
A kind of fluid heating snow melt road face temperature strain monitoring system, it is related to fluid heating snow melt road face temperature strain monitoring field.The present invention solves conventional fluid heating snow melt road face and only focuses on snow melt effect, and ignores the temperature strain of hot-fluid percussion generation, and then caused road face safety problem.The present invention includes heating system, circulating pump, environmental cabinet, road plane system, monitoring system, heating system includes heating water tank, distribution box and electric heating tube, electric heating tube is arranged inside heating water tank, road plane system is placed on inside environmental cabinet, road plane system includes cement concrete road surface and pipeline, pipe level is embedded in cement concrete road surface, pipeline is connect by connecting tube with heating water tank, connecting tube is equipped with circulating pump and control valve, temperature sensor and resistance strain gage are equipped with inside cement concrete road surface, digital speckle instrument acquisition device is erected at cement concrete road surface side.Temperature strain of the present invention for airport snow melt road face is tested.
Description
Technical field
The present invention relates to fluid heating snow melt road face temperature strains to monitor field, and in particular to a kind of fluid heating snow melt road
Face temperature strain monitors system.
Background technique
The deicing of road face has become a typical Aerodrome Operations safety problem.Traditional runway deicing method is mainly adopted
With snow removing machinery and deicer salts, however both methods deicing efficiency when temperature is lower, snowfall is larger is lower, and to road
There is negative effect in face structure and environment.
Circulation of fluid heating system has become a kind of effective alternative of airfield pavement deicing at present.Its working principle
Are as follows: using circulation of fluid by the pipeline inside the heat transfer of underground to road face, then passed by cement concrete road surface heat
It leads and heat is reached into surface, and then deicing or snow melting.This method has high efficiency, stability, energy saving, environmentally protective and can
The advantages that control property is strong.However, the raising fluid temperature (F.T.) of current research mainly from the consideration of road face snow melt characteristic and simply, causes
Face is also easy to produce biggish temperature strain/stress, to cause using security issues.
In conclusion snow melt effect is only focused in conventional fluid heating snow melt road face, and ignore the generation of hot-fluid percussion
Temperature strain, and then caused road face safety problem.
Summary of the invention
The present invention only focuses on snow melt effect to solve conventional fluid heating snow melt road face, and ignores the production of hot-fluid percussion
Raw temperature strain, and then caused road face safety problem, and then a kind of fluid heating snow melt road face temperature strain monitoring is provided
System.
The technical scheme is that
A kind of fluid heating snow melt road face temperature strain monitoring system, it includes heating system, circulating pump, environmental cabinet, road
Plane system, monitoring system, control valve and two connecting tubes, heating system include heating water tank, distribution box and electric heating tube, and electricity adds
Heat pipe is fixed in heating water tank inner bottom surface, and distribution box is mounted on heating water tank outer upper ends face, and distribution box passes through conducting wire
It is connect with electric heating tube, water outlet of water tank and water tank water inlet is respectively equipped in the upper portion side wall of heating water tank, heating water tank
Inside is marked with fluid；
Road plane system is placed on the workbench inside environmental cabinet, and road plane system includes cement concrete road surface and S-shaped pipe
Road, S-shaped pipe level are embedded in cement concrete road surface, and the water inlet of cement concrete road surface internal pipeline is by wherein
One connecting tube is connected to water outlet of water tank, by preceding in the connecting tube between the water outlet of water tank and pipeline water inlet of heating water tank
Circulating pump and control valve are successively arranged after, the circulating pump is connect by conducting wire with distribution box, inside cement concrete road surface
The water outlet of pipeline is connected to by another one connecting tube with water tank water inlet；
Monitoring system includes temperature sensor measurement component, digital speckle instrument measurement component and strain gage testing group
Part,
If temperature sensor measurement component includes temperature sensor Acquisition Instrument, No.1 computer and dry temperature sensor, temperature
Degree sensor Acquisition Instrument and No.1 computer are respectively positioned on the outside of environmental cabinet, and temperature sensor Acquisition Instrument passes through conducting wire and No.1 meter
Calculation machine is connected, and all temperature sensors are arranged at the inside of cement concrete road surface, and the temperature sensor is logical
Conducting wire is crossed to be connected with temperature sensor Acquisition Instrument；
Digital speckle instrument measurement component includes digital speckle instrument, No. two computers and digital speckle instrument acquisition device, number
Speckle instrument and No. two computers are respectively positioned on the outside of environmental cabinet, and digital speckle instrument is connected by conducting wire with No. two computers, number
Word speckle instrument acquisition device is located at the inside of environmental cabinet, and digital speckle instrument acquisition device is erected at the cement concrete of plane system
In the environmental cabinet inner bottom surface of road face side；
Strain gage testing component includes resistance strain gage Acquisition Instrument, No. three computers and several resistance strain gages, electricity
Resistance foil gauge Acquisition Instrument and No. three computers are respectively positioned on the outside of environmental cabinet, and resistance strain gage Acquisition Instrument passes through conducting wire and No. three meters
Calculation machine is connected, and all resistance strain gages are arranged at the inside of cement concrete road surface, and the resistance strain gage is logical
It crosses conducting wire to be connected with resistance strain gage Acquisition Instrument, resistance strain gage is pasted on cement concrete road surface side surface.
Further, it is from top to bottom successively arranged along the vertical direction on the middle line of cement concrete road surface internal pipeline multiple
Temperature sensor is from top to bottom successively arranged multiple temperature on the middle line of adjacent channel inside cement concrete road surface along the vertical direction
Sensor is spent, the distance between all temperature sensors and cement concrete road surface side surface are 5cm.
Further, digital speckle instrument acquisition device includes bracket, sliding rail, headlamp, camera A and camera B, and bracket is set up
In the side of cement concrete road surface, sliding rail is horizontally set on the top of bracket, and headlamp is mounted on the middle part of sliding rail, camera A
It is located at the two sides of headlamp with camera B, camera A and camera B are slidably connected with sliding rail, the camera lens of the camera lens of camera A, camera B
With headlamp towards the end face to be measured of cement concrete road surface, the signal output end and digital speckle instrument of camera A and camera B
Signal input part connection.
Further, it is from top to bottom successively arranged along the vertical direction on the middle line of cement concrete road surface internal pipeline multiple
Resistance strain gage is from top to bottom successively arranged multiple electricity on the middle line of adjacent channel inside cement concrete road surface along the vertical direction
Hinder foil gauge.
Further, pipe material is stainless steel, and buried depth of pipeline is away from cement concrete road surface upper surface 15cm, pipeline water
Flat spacing is 20cm, outer diameter tube 3.2cm, pipeline wall thickness 3mm, and conduit types are that the external light without radiating fin is round
Pipeline.
Further, when the temperature in environmental cabinet is -30 DEG C, the fluid inside heating water tank uses freezing point for -35 DEG C
50% concentration glycol water.
The present invention has the effect that compared with prior art
1, the present invention is aiming at the problem that current fluid heating road face snow-melting system lacks and monitors to road face temperature strain, research and development
A kind of fluid heating snow melt road face temperature strain monitoring system, can effectively monitor the temperature in the temperature-rise period of fluid heating road face
Strain variation, and then heating strategy in reasonable fluid heating road face can determine according to the maximum strain that road face can be born, it is ensureing
Optimize fluid heating road face snow melt effect under the premise of mechanical property.S-shaped pipe level of the invention is embedded in one depthkeeping of face
It is connected at degree and by connecting tube with heating water tank；Cement concrete road surface initial temperature can be regulated and controled using environmental cabinet and simulated
Ambient temperature；Heating water tank is for regulating and controlling the fluid temperature (F.T.) of input cement concrete road surface internal pipeline；Circulating pump is stream
Body circulation provides power, thus it is possible to vary the speed of fluid；Monitoring system include thermocouple temperature sensor, resistance strain plate and
Digital speckle instrument can monitor, recorded trace face temperature and strain variation constantly.Not using temperature sensor monitoring and recorded trace face
With the temperature of depth；The road face strain field of Near Pipelines is monitored and recorded using digital speckle instrument；It is monitored using resistance strain gage
The temperature strain of road face different depth away from pipeline certain distance, by analyzing road face temperature and strain under different operating conditions
It can determine reasonable fluid heating system operation reserve.Fluid heating snow melt road face temperature strain monitoring system of the invention can
The effective temperature carried out in the temperature-rise period of road face and temperature strain monitoring and analysis, ensure fluid heating road face operational safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fluid heating snow melt road face temperature strain monitoring system of the invention；
Fig. 2 is the structural schematic diagram of road plane system of the invention；
Fig. 3 is the structural schematic diagram of heating water tank of the invention；
Fig. 4 is the structural schematic diagram of resistance strain gage of the invention；
Fig. 5 is the structural schematic diagram of temperature sensor of the invention；
Fig. 6 is the structural schematic diagram of digital speckle instrument of the invention；
Fig. 7 is fluid heating road face temperature strain monitoring system connection figure of the invention；
Fig. 8 is the line chart of the road face temperature of environment temperature, fluid temperature (F.T.) and different depth；
Fig. 9 is road face strain field (digital speckle instrument) schematic diagram of Near Pipelines；
Figure 10 is road face temperature strain with the variation line chart away from pipeline distance；
Figure 11 is the road face temperature strain line chart of different depth.
Specific embodiment
Specific embodiment 1: illustrating present embodiment in conjunction with Fig. 1 to Fig. 7, a kind of fluid heating of present embodiment is melted
Trail face temperature strain monitors system, it includes heating system, circulating pump 2, environmental cabinet 3, road plane system 4, monitoring system 5, control
Valve 9 processed and two connecting tubes 12,
Heating system includes heating water tank 1, distribution box 6 and electric heating tube 7, and electric heating tube 7 is fixed on inside heating water tank 1
On bottom surface, distribution box 6 is mounted on 1 outer upper ends face of heating water tank, and distribution box 6 is connect by conducting wire with electric heating tube 7, is matched
Electronic box 6 is used to control the opening and closing of electric heating tube 7 and the power regulation of electric heating tube 7, the upper side of heating water tank 1
Water outlet of water tank and water tank water inlet are respectively equipped on wall, the inside of heating water tank 1 is marked with fluid 8；
Road plane system 4 is placed on the workbench inside environmental cabinet 3, and road plane system 4 includes 10 He of cement concrete road surface
S-shaped pipeline 11, S-shaped pipeline 11 is horizontally embedded in cement concrete road surface 10,10 internal pipeline 11 of cement concrete road surface
Water inlet is connected to by one of connecting tube 12 with water outlet of water tank, and the water outlet of water tank and pipeline 11 of heating water tank 1 enter water
Circulating pump 2 and control valve 9 are successively arranged in connecting tube 12 between mouthful from front to back, the circulating pump 2 passes through conducting wire and distribution
Case 6 connects, opening and closing of the distribution box 6 for control loop pump 2, the water outlet of 10 internal pipeline 11 of cement concrete road surface
Mouth is connected to by another one connecting tube 12 with water tank water inlet；
Monitoring system 5 includes temperature sensor measurement component, digital speckle instrument measurement component and strain gage testing group
Part,
If temperature sensor measurement component includes temperature sensor Acquisition Instrument, No.1 computer and dry temperature sensor 13,
Temperature sensor Acquisition Instrument and No.1 computer are respectively positioned on the outside of environmental cabinet 3, and temperature sensor Acquisition Instrument passes through conducting wire and one
Number computer is connected, and all temperature sensors 13 are arranged at the inside of cement concrete road surface 10, and the temperature passes
Sensor 13 is connected by conducting wire with temperature sensor Acquisition Instrument；
Digital speckle instrument measurement component includes 14, No. two computers of digital speckle instrument and digital speckle instrument acquisition device, number
Word speckle instrument 14 and No. two computers are respectively positioned on the outside of environmental cabinet 3, and digital speckle instrument 14 passes through conducting wire and No. two computer phases
Connection, digital speckle instrument acquisition device are located at the inside of environmental cabinet 3, and digital speckle instrument acquisition device is erected at plane system 4
In 3 inner bottom surface of environmental cabinet of 10 side of cement concrete road surface；
Strain gage testing component includes resistance strain gage Acquisition Instrument, No. three computers and several resistance strain gages 15,
Resistance strain gage Acquisition Instrument and No. three computers are respectively positioned on the outside of environmental cabinet 3, and resistance strain gage Acquisition Instrument passes through conducting wire and three
Number computer is connected, and all resistance strain gages 15 are arranged at the inside of cement concrete road surface 10, and the resistance is answered
Become piece 15 to be connected by conducting wire with resistance strain gage Acquisition Instrument, resistance strain gage 15 is pasted onto cement concrete road surface 10
On side surface.
Heating is realized using the electric heating tube 7 of 9kW inside the heating water tank 1 of present embodiment, and the temperature of heating water tank 1 becomes
Changing range is 20 DEG C~100 DEG C；
1 internal flow of heating water tank, 8 speed of service is regulated and controled by control valve 9, and operational speed range is 1m/s~2m/s；
The working medium of fluid 8 need to select suitable anti-icing fluid to prevent fluids within pipes from freezing according to the set temperature of environmental cabinet 3；
Environmental cabinet 3 can effectively carry out different external environments for simulating the external environment of this system in practical applications
Operating condition setting, the temperature regulating range of environmental cabinet 3 are -30 DEG C~+80 DEG C；
Circulating pump 2 provides power for fluid circulation, selects power for the circulating pump 2 of 2kW according to water flow lift.
The producer of the environmental cabinet 3 of present embodiment and model are as follows: the auspicious test company of ring, REALE12.
The producer of the distribution box 6 of present embodiment and model are as follows: Harbin Tohoku Electric Power equipment Co., Ltd, PZ30.
The producer of the temperature sensor Acquisition Instrument of present embodiment and model are as follows: Changsha Jin Ma Co., Ltd,
JMZX64。
The producer of the digital speckle instrument 14 of present embodiment and model are as follows: Science and Technology Ltd. is created when the Virtuozzo of Beijing,
VIC3D。
The producer of the resistance strain gage Acquisition Instrument of present embodiment and model are as follows: Henan Guan Zhongda Science and Technology Ltd.,
10X5。
Specific embodiment 2: inside the cement concrete road surface 10 of embodiment is described with reference to Fig.5, present embodiment
Multiple temperature sensors 13 are from top to bottom successively arranged on the middle line of pipeline 11 along the vertical direction, in cement concrete road surface 10
Multiple temperature sensors 13 are from top to bottom successively arranged on the middle line of portion's adjacent channel 11 along the vertical direction, all temperature pass
The distance between sensor 13 and 10 side surface of cement concrete road surface are 5cm.So set, temperature sensor 13 is for monitoring
With the temperature of recorded trace face different depth.Other compositions and connection relationship are same as the specific embodiment one.
The temperature sensor 13 of present embodiment is for monitoring and the temperature of recorded trace face different depth, temperature measurement range
It is -50 DEG C~+120 DEG C, precision is ± 0.1 DEG C.
Specific embodiment 3: the digital speckle instrument acquisition device packet of embodiment is described with reference to Fig.6, present embodiment
Bracket, sliding rail, headlamp, camera A and camera B are included, bracket is erected at the side of cement concrete road surface 10, and sliding rail is horizontally disposed
On the top of bracket, headlamp is mounted on the middle part of sliding rail, and camera A and camera B are located at the two sides of headlamp, camera A and camera B
It is slidably connected with sliding rail, the camera lens of camera A, the camera lens of camera B and headlamp are towards the to be measured of cement concrete road surface 10
The signal output end of amount end face, camera A and camera B are connect with the signal input part of digital speckle instrument 14.Other compositions and connection
Relationship is the same as one or two specific embodiments.
The digital speckle instrument 14 of present embodiment is used to monitor and record the road face strain field of Near Pipelines, strain measurement model
It encloses for ± 80000 μ ε, precision is 5 μ ε.
Specific embodiment 4: embodiment is described with reference to Fig. 4, inside the cement concrete road surface 10 of present embodiment
Multiple resistance strain gages 15 are from top to bottom successively arranged on the middle line of pipeline 11 along the vertical direction, in cement concrete road surface 10
Multiple resistance strain gages 15 are from top to bottom successively arranged on the middle line of portion's adjacent channel 11 along the vertical direction.So set, resistance
Foil gauge 15 is used to monitor the temperature strain of the road face different depth away from pipeline certain distance.Other compositions and connection relationship and tool
Body embodiment one, 2 is three identical.
The temperature that the resistance strain gage 15 of present embodiment is used to monitor the road face different depth away from pipeline certain distance is answered
Become, strain measurement range is ± 30000 μ ε, and precision is 10 μ ε.
Specific embodiment 5: embodiment is described with reference to Fig. 2,11 material of pipeline of present embodiment is stainless steel,
11 buried depth of pipeline is away from 10 upper surface 15cm of cement concrete road surface, and 11 horizontal space of pipeline is 20cm, and 11 outer diameter of pipeline is
3.2cm, 11 wall thickness of pipeline are 3mm, and 11 type of pipeline is the external round pipeline of light for being free of radiating fin.So set, stainless
The pipeline of steel material has preferable mechanical property and heat-transfer character.Other compositions and connection relationship and specific embodiment one,
Two, three or four is identical.
Specific embodiment 6: the temperature in the environmental cabinet 3 of embodiment is described with reference to Fig.7, present embodiment is -30
DEG C when, the fluid 8 inside heating water tank 1 uses freezing point for the glycol water of -35 DEG C of 50% concentration.So set, working as
When 3 temperature of environmental cabinet is -30 DEG C, the working medium using the glycol water of 50% concentration as fluid 8 can satisfy antifreeze want
It asks.Other compositions and connection relationship and specific embodiment one, two, three, four or five are identical.
Case verification:
Beneficial effects of the present invention are verified using following instance:
It is -25 DEG C that initial road face temperature and environment temperature (Ta), which are consistent, in test, and fluid temperature (F.T.) (Tw) is 30 DEG C, stream
Body flow velocity is 1.5m/s, and heating circulation system runs 300min.
It is as shown in Figs. 8 to 11 that fluid heating road face temperature strain monitors system test result；
As shown in Figure 8, heating system is opened the face Hou Dao different depth temperature and is gradually risen, due to continuing for fluid line
Heat transfer effect makes at near-wall (15cm depth) concrete temperature highest.2cm depth temperature runs 280min in system
It is increased to 0 DEG C by -25 DEG C afterwards, shows that fluid heating system can effectively prevent area to avenge and freeze in extreme cold area.
As seen from Figure 9, after heating system is opened, occurs expansion strain first at duct wall, then strain region
It is gradually spread from pipeline to outer concrete, strain region diffuses to entire monitoring region and no longer substantially about after 30min
Significant change occurs.
As shown in Figure 10, with increasing away from pipeline distance, the strain of road face is gradually decreased, and reduces width in Near Pipelines position
Spend larger, such as with 1cm, 2cm, 3cm, 4cm and 5cm is increased to by 0cm away from pipeline vertical distance, road face strain value reduces respectively
33%, 82%, 82%, 86% and 85%, this is mainly due to the heat transfer property of concrete it is poor caused by.Show face temperature
Strain is focused primarily upon away from the region within the scope of pipeline 1cm.
As shown in Figure 11, it strains at different depth as the time gradually increases, but strain is advanced the speed and gradually decreased.Such as
It is respectively 4.0 μ ε/min and 0.5 μ ε/min that 8cm depth mean strain, which is advanced the speed in 0~100min and 100~300min,.
This is mainly due to caused by system operation later period road face different depth temperature difference is relatively low.Meanwhile road face temperature strain
It is gradually decreased, the monitoring result rule having the same of this and digital speckle instrument with increasing away from pipeline distance.
In summary analysis shows, fluid heating road face temperature strain monitoring system can effectively carry out face temperature-rise period
In temperature and temperature strain monitoring and analysis.
Working principle:
The working principle that fluid heating road face temperature strain monitors system is as follows:
(1) temperature control switch for opening environmental cabinet 3, is set as specified environment temperature, blocking the way face internal temperature sensor 13
Temperature it is identical as 3 internal temperature of environmental cabinet when, can ensure that face initial temperature is identical as environment temperature；
(2) temperature control switch for opening heating water tank 1, is set as specified fluid temperature (F.T.), 1 internal flow of boiler to be added
Temperature can carry out test when reaching set temperature；
(3) according to setting flow velocity adjusting control valve 9, starting circulating pump 2 starts the cycle over fluid heat run；
(4) temperature sensor monitoring of software, digital speckle instrument monitoring of software and the monitoring of resistance strain gage monitoring of software are opened
Road face temperature strain changes over time.
Claims (6)
1. a kind of fluid heating snow melt road face temperature strain monitors system, it is characterised in that: it includes heating system, circulating pump
(2), environmental cabinet (3), road plane system (4), monitoring system (5), control valve (9) and two connecting tubes (12), heating system include
Heating water tank (1), distribution box (6) and electric heating tube (7), electric heating tube (7) are fixed in heating water tank (1) inner bottom surface, match
Electronic box (6) is mounted on heating water tank (1) outer upper ends face, and distribution box (6) is connect by conducting wire with electric heating tube (7), is heated
Water outlet of water tank and water tank water inlet are respectively equipped in the upper portion side wall of water tank (1), the inside of heating water tank (1) is marked with fluid
(8)；
Road plane system (4) is placed on the internal workbench of environmental cabinet (3), and road plane system (4) includes cement concrete road surface
(10) and S-shaped pipeline (11), S-shaped pipeline (11) is horizontally embedded in cement concrete road surface (10), cement concrete road surface
(10) water inlet of internal pipeline (11) is connected to by one of connecting tube (12) with water outlet of water tank, heating water tank (1)
It is successively arranged circulating pump (2) and control valve from front to back in connecting tube (12) between water outlet of water tank and pipeline (11) water inlet
(9), the circulating pump (2) is connect by conducting wire with distribution box (6), the water outlet of cement concrete road surface (10) internal pipeline (11)
Mouth is connected to by another one connecting tube (12) with water tank water inlet；
Monitoring system (5) includes temperature sensor measurement component, digital speckle instrument measurement component and strain gage testing component,
If temperature sensor measurement component includes temperature sensor Acquisition Instrument, No.1 computer and dry temperature sensor (13), temperature
Degree sensor Acquisition Instrument and No.1 computer are respectively positioned on the outside of environmental cabinet (3), and temperature sensor Acquisition Instrument passes through conducting wire and one
Number computer is connected, and all temperature sensors (13) are arranged at the inside of cement concrete road surface (10), the temperature
Degree sensor (13) is connected by conducting wire with temperature sensor Acquisition Instrument；
Digital speckle instrument measurement component includes digital speckle instrument (14), No. two computers and digital speckle instrument acquisition device, number
Speckle instrument (14) and No. two computers are respectively positioned on the outside of environmental cabinet (3), and digital speckle instrument (14) passes through conducting wire and No. two calculating
Machine is connected, and digital speckle instrument acquisition device is located at the inside of environmental cabinet (3), and digital speckle instrument acquisition device is erected at face system
In environmental cabinet (3) inner bottom surface of cement concrete road surface (10) side of system (4)；
Strain gage testing component includes resistance strain gage Acquisition Instrument, No. three computers and several resistance strain gages (15), electricity
Resistance foil gauge Acquisition Instrument and No. three computers are respectively positioned on the outside of environmental cabinet (3), and resistance strain gage Acquisition Instrument passes through conducting wire and three
Number computer is connected, and all resistance strain gages (15) are arranged at the inside of cement concrete road surface (10), the electricity
Resistance foil gauge (15) is connected by conducting wire with resistance strain gage Acquisition Instrument, and resistance strain gage (15) is pasted onto cement concrete
On road face (10) side surface.
2. a kind of fluid heating snow melt road face temperature strain according to claim 1 monitors system, it is characterised in that: cement
It is from top to bottom successively arranged multiple temperature sensors along the vertical direction on the middle line of concrete road surface (10) internal pipeline (11)
(13), it is from top to bottom successively arranged along the vertical direction on the middle line of the internal adjacent channel (11) of cement concrete road surface (10) multiple
Temperature sensor (13), the distance between all temperature sensors (13) and cement concrete road surface (10) side surface are
5cm。
3. a kind of fluid heating snow melt road face temperature strain according to claim 1 monitors system, it is characterised in that: number
Speckle instrument acquisition device includes bracket, sliding rail, headlamp, camera A and camera B, and bracket is erected at cement concrete road surface (10)
Side, sliding rail is horizontally set on the top of bracket, and headlamp is mounted on the middle part of sliding rail, and camera A and camera B are located at headlamp
Two sides, camera A and camera B be slidably connected with sliding rail, and the camera lens of camera A, the camera lens of camera B and headlamp are towards cement
The signal output end of the end face to be measured of concrete road surface (10), camera A and camera B and the signal of digital speckle instrument (14) input
End connection.
4. a kind of fluid heating snow melt road face temperature strain according to claim 1 monitors system, it is characterised in that: cement
It is from top to bottom successively arranged multiple resistance strain gages along the vertical direction on the middle line of concrete road surface (10) internal pipeline (11)
(15), it is from top to bottom successively arranged along the vertical direction on the middle line of the internal adjacent channel (11) of cement concrete road surface (10) multiple
Resistance strain gage (15).
5. a kind of fluid heating snow melt road face temperature strain according to claim 1,2 or 4 monitors system, feature exists
In: pipeline (11) material is stainless steel, and pipeline (11) buried depth is away from cement concrete road surface (10) upper surface 15cm, pipeline (11)
Horizontal space is 20cm, and pipeline (11) outer diameter is 3.2cm, and pipeline (11) wall thickness is 3mm, and pipeline (11) type is that external be free of dissipates
The round pipeline of the light of hot fin.
6. a kind of fluid heating snow melt road face temperature strain according to claim 1 monitors system, it is characterised in that: work as ring
When temperature in border case (3) is -30 DEG C, the internal fluid (8) of heating water tank (1) uses freezing point for -35 DEG C of 50% concentration
Glycol water.
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| CN201910319449.7A CN110031130A (en) | 2019-04-19 | 2019-04-19 | A kind of fluid heating snow melt road face temperature strain monitoring system |
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| CA2945638A1 (en) * | 2014-04-14 | 2015-10-22 | Bombardier Primove Gmbh | A system for inductive power transfer, a pavement slab assembly and a method of operating a system for inductive power transfer |
| CN103900957A (en) * | 2014-04-28 | 2014-07-02 | 内蒙古工业大学 | Method for testing interfacial bond behavior of road asphalt mixture |
| CN205374425U (en) * | 2016-03-09 | 2016-07-06 | 合肥工业大学 | Multi -functional ice -melt snow road surface test device |
| CN105784935A (en) * | 2016-03-09 | 2016-07-20 | 合肥工业大学 | Multifunctional ice or snow melting pavement test device and evaluation method |
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