CN205529965U - Heat sensitive material speed reduction marking of snowing area highway - Google Patents

Heat sensitive material speed reduction marking of snowing area highway Download PDF

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Publication number
CN205529965U
CN205529965U CN201620192733.4U CN201620192733U CN205529965U CN 205529965 U CN205529965 U CN 205529965U CN 201620192733 U CN201620192733 U CN 201620192733U CN 205529965 U CN205529965 U CN 205529965U
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China
Prior art keywords
speed reduction
reduction marking
marking unit
interval
sensitive material
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Expired - Fee Related
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CN201620192733.4U
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Chinese (zh)
Inventor
徐良杰
陈东
王志军
奚少新
应聃
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Priority to CN201620192733.4U priority Critical patent/CN205529965U/en
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Abstract

The utility model provides a heat sensitive material speed reduction marking of snowing area highway, it includes a plurality of speed reduction marking unit of laying at the highway division along vehicle advancing direction, every speed reduction marking unit includes ordinary marking layer, the interval of adjacent speed reduction marking unit reduces along the vehicle travel direction gradually, every speed reduction marking unit still including set up on ordinary marking layer, colourless more than zero degree centigrade, become coloured themochromic material layer below zero degree centigrade. The utility model discloses can be according to the themochromic material because the different colours that the different temperatures appears to in time remind the part of subzero in the highway section, can utilize the interval between the speed reduction marking unit to lead to the fact the visual illusion again, thereby reduce the vehicle speed of going, work along both lines, put forward the safety that the vehicle went under the high and low temperature environment, reduce the emergence of road traffic accident.

Description

The thermo-sensitive material speed reduction marking of snowfall local highway
Technical field
This utility model belongs to highway communication facilities design field, is specifically related to the thermo-sensitive material speed reduction marking of a kind of snowfall local highway.
Background technology
In the environment in the winter time of snowfall area, microthermal climate not only can produce snowfall, also can solidify moisture present in road surface, form a small amount of ice film on road surface.Ice film can seriously reduce highway pavement coefficient of friction with ice pellets, accumulated snow etc. under interacting, increases the danger that in low temperature environment, vehicle travels.Environment middle rolling car in the winter time, the change of pavement of road is the most obvious, it is difficult to driver is formed enough warning functions, driver still travels according to usual road speed, or road speed is the most too fast, the most easily cause vehicle tyre to skid when travelling to ice film section, vehicle accident occurs.
All there is sub-zero weather in China's most area winter, some areas then have long Snowfall as northeast, and accumulated snow rolls formation ice film under vehicle effect repeatedly, can reduce coefficient of friction further.Additionally, when temperature is hovered at zero degree, ice dissolution on daytime forms hydrops, and night, hydrops solidification formed ice film, and now driver does not still realize road surface ahead situation, easily causes vehicle accident the most yet.In the most existing research, a lot of for de-icing method, but be mostly ice amount bigger time just can take measures cleaning, and the research on similar infiltration road surface is higher because of cost at present, it is difficult to spread, creates in a small amount of ice and snow and the problem of the deicing of zero degree left and right weather.Generally, in terms of prevention vehicle accident, can also reach to tighten control by reduction Vehicle Speed and avoid the effect of accident, in existing reduction of speed measure, vehicle is easily travelled and causes a hidden trouble by deceleration strip, and speed limit label long-term effect is relatively low, rate controlling graticule is in Snowfall, easily by snow cover, or mix with accumulated snow and cause identification difficulty, be all difficult to effectively play a role.
Existing achievement in research not for the facility of the effective rate controlling of ice and snow environment, is not needed badly now and can be reduced ice and snow environment road vehicle travel speed, and road improvement environment also reduces the facility of ice and snow environment road traffic accident rate.
Utility model content
The technical problems to be solved in the utility model is: provide the thermo-sensitive material speed reduction marking of a kind of snowfall local highway, sub-zero part in section can be reminded in time, visual illusion can be utilized again to reduce Vehicle Speed, improve the safety that under low temperature environment, vehicle travels, reduce the generation of road traffic accident.
The technical scheme that this utility model is taked by the above-mentioned technical problem of solution is: the thermo-sensitive material speed reduction marking of a kind of snowfall local highway, it is included in several speed reduction marking unit that highway division is laid along vehicle traveling direction, each speed reduction marking unit includes common graticule layer, it is characterized in that: the interval of adjacent speed reduction marking unit is gradually reduced along vehicle heading, each speed reduction marking unit also includes being arranged on common graticule layer, become coloured thermosensitive chromotropic material layer below more than zero degrees celsius colourless, zero degrees celsius.
By such scheme, the interval of described speed reduction marking unit is gradually decrease to 2-3m along vehicle heading from 5-6m.
By such scheme, formula y=5.5-0.57*x+0.02*x is pressed at the interval of described speed reduction marking unit2Being gradually reduced, wherein y is the interval of speed reduction marking unit, and x is the interval sequence number of speed reduction marking unit, and x increases successively along vehicle heading, and the unit of x and y is m.
By such scheme, the number of described speed reduction marking unit is 10.
By such scheme, described speed reduction marking unit is laid on the centre of runway, is parallel to vehicle heading.
The beneficial effects of the utility model are: the different colours that this utility model can present due to different temperatures according to thermosensitive chromotropic material, thus remind sub-zero part in section in time, the interval between speed reduction marking unit can be utilized again to cause visual illusion, thus reduce Vehicle Speed, work along both lines, improve the safety that under low temperature environment, vehicle travels, reduce the generation of road traffic accident.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one embodiment.
Fig. 2 is road right half range schematic cross-sectional view in Fig. 1.
Fig. 3 is the structural representation of each speed reduction marking.
In figure: 1-road edge line, 2-speed reduction marking unit, 3-road axis, 4-runway, 5-thermosensitive chromotropic material layer, 6-common graticule layer, 7-speed reduction marking unit angle, 8-speed reduction marking live width, the horizontal overall length of 9-speed reduction marking.
Detailed description of the invention
Below in conjunction with instantiation, this utility model is described further.
Fig. 1 is the structural representation of this utility model one embodiment, Fig. 2 is road right half range schematic cross-sectional view in Fig. 1, this utility model provides the thermo-sensitive material speed reduction marking of a kind of snowfall local highway, it is included in several speed reduction marking unit 2 that highway division is laid along vehicle traveling direction, each speed reduction marking unit 2 includes common graticule layer 6, the interval of adjacent speed reduction marking unit 2 is gradually reduced along vehicle heading, each speed reduction marking unit 2 also includes being arranged on common graticule layer 6, more than zero degrees celsius colourless, coloured thermosensitive chromotropic material layer 5 is become below zero degrees celsius.Thermosensitive chromotropic material layer can change color with temperature, this utility model utilize be discoloring temperature marginal value be zero degree, it is above zero colourless, subzero is coloured thermosensitive chromotropic material, as electronics is given and accepted class thermo-sensitive material, utilize the technology such as microcapsule, when electronq donor is mainly rhodamine compound, color can be occurred under the effect of electron acceptor and solvent to change, this material has existed, emphasis the most of the present utility model, the characteristic focusing on make use of the low temperature variable color of this material of the present utility model, rational application has been carried out in snowfall local highway section, as long as meet " more than zero degrees celsius colourless, becoming coloured below zero degrees celsius " thermosensitive chromotropic material of this condition may be incorporated for this utility model.
The operation principle of the present embodiment is: in conventional environment, mainly utilizes the interval of its ever-reduced speed reduction marking unit 2 that driver is formed the visual illusion that speed is too high, thus reduces the purpose of speed.In low temperature environment, thermosensitive chromotropic material layer 5 reaches to change critical point, in material, rhodamine compound becomes red by release electronics jointly acting on electron acceptor and solvent, notification portion region or overall region temperature variations, indicating the ice film being likely to occur, its visual illusion slowing effect still can normally play.In ice and snow environment, overall red graticule group can attract driver attention, strengthens visual illusion slowing effect simultaneously.
Generally, the interval of described speed reduction marking unit 2 is gradually decrease to 2-3m along vehicle heading from 5-6m.Different production decline laws has different on slowing effect.
Preferably, formula y=5.5-0.57*x+0.02*x is pressed at the interval of described speed reduction marking unit 22Being gradually reduced, wherein y is the interval of speed reduction marking unit 2, and x is the interval sequence number of speed reduction marking unit 2, and x increases successively along vehicle heading, and the unit of x and y is m.In the present embodiment, the number of described speed reduction marking unit 2 is 10, and the occurrence of y is 4.95,4.44,3.97,3.54,3.15,2.8,2.49,2.22,1.99, and unit is m.
It is further preferred that as it is shown in figure 1, the road between road edge line 1 is divided into 2 runways 4, described speed reduction marking unit 2 to be laid on the centre of runway 4, be parallel to vehicle heading by road axis 3.Speed reduction marking unit 2 is arranged on road travel road central authorities, ensure that carry out Snow removing and wheel repeatedly roll after graticule unit can show as early as possible, thus avoid because of Snow removing the most comprehensively or not by wheel mechanism to and cause being covered ineffective situation by large area such as ice and snow.
The design of each speed reduction marking unit 2, is satisfied by " JTG D82-2009 highway traffic sign and graticule arrange specification " in corresponding requirements, as it is shown on figure 3, speed reduction marking unit angle 7 is 90 °, speed reduction marking live width 8 is 0.3m, and the horizontal overall length of speed reduction marking 9 is 1.5m.Existing common graticule layer 6 adds thermosensitive chromotropic material layer 5, while meeting speed reduction marking unit 2 use condition at low ambient temperatures, also meets the transport need under home.

Claims (5)

1. the thermo-sensitive material speed reduction marking of a snowfall local highway, it is included in several speed reduction marking unit that highway division is laid along vehicle traveling direction, each speed reduction marking unit includes common graticule layer, it is characterized in that: the interval of adjacent speed reduction marking unit is gradually reduced along vehicle heading, each speed reduction marking unit also includes being arranged on that more than on common graticule layer, zero degrees celsius is colourless, become coloured thermosensitive chromotropic material layer below zero degrees celsius.
The thermo-sensitive material speed reduction marking of a kind of snowfall local highway the most according to claim 1, it is characterised in that: the interval of described speed reduction marking unit is gradually decrease to 2-3m along vehicle heading from 5-6m.
The thermo-sensitive material speed reduction marking of a kind of snowfall local highway the most according to claim 1, it is characterised in that: formula y=5.5-0.57*x+0.02*x is pressed at the interval of described speed reduction marking unit2Being gradually reduced, wherein y is the interval of speed reduction marking unit, and x is the interval sequence number of speed reduction marking unit, and x increases successively along vehicle heading, and the unit of x and y is m.
4. according to the thermo-sensitive material speed reduction marking of a kind of snowfall local highway described in claim 1 or 2 or 3, it is characterised in that: the number of described speed reduction marking unit is 10.
5. according to the thermo-sensitive material speed reduction marking of a kind of snowfall local highway described in claim 1 or 2 or 3, it is characterised in that: described speed reduction marking unit is laid on the centre of runway, is parallel to vehicle heading.
CN201620192733.4U 2016-03-14 2016-03-14 Heat sensitive material speed reduction marking of snowing area highway Expired - Fee Related CN205529965U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108643070A (en) * 2018-05-28 2018-10-12 广东工业大学 A kind of graticule composition, preparation method and application
CN112627073A (en) * 2020-12-15 2021-04-09 武汉理工大学 Asymmetric induction system of crooked road section of extra-long tunnel under water
CN113846582A (en) * 2021-09-02 2021-12-28 武汉工程大学 Expressway rear-end collision prevention marking design method based on inverse straight line perspective

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108643070A (en) * 2018-05-28 2018-10-12 广东工业大学 A kind of graticule composition, preparation method and application
CN112627073A (en) * 2020-12-15 2021-04-09 武汉理工大学 Asymmetric induction system of crooked road section of extra-long tunnel under water
CN112627073B (en) * 2020-12-15 2022-05-06 武汉理工大学 Asymmetric induction system of crooked road section of extra-long tunnel under water
CN113846582A (en) * 2021-09-02 2021-12-28 武汉工程大学 Expressway rear-end collision prevention marking design method based on inverse straight line perspective

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160831

Termination date: 20180314