Snow-melting and ice-melting system and construction method

Abstract

The application relates to the technical field of road snow-melting and ice-melting, in particular to a snow-melting and ice-melting system and a construction method, the snow-melting and ice-melting system comprising a temperature measuring optical fiber, a DTS host, a control end, a temperature raising device and a water storage device; the temperature measuring optical fiber is laid on the upper layer of a road surface to realize real-time detection of the temperature of the road surface on the path; the temperature raising device is arranged between the road surface and a road surface heat preservation layer, the temperature raising device comprises a water inlet and a water outlet which are communicated with an inner chamber of the temperature raising device; the water storage device is connected with the water inlet and the water outlet; a signal input end of the DTS host is connected with the temperature measuring optical fiber, and a signal output end is connected with the control end; when the temperature value of the temperature measuring optical fiber obtained by the DTS host reaches an icing temperature boundary value, a temperature raising signal is sent to the control end, and the control end controls the water storage device to circulate and pass in hot conductive water into the chamber according to the temperature raising signal. The snow-melting and ice-melting system and the construction method solve the problems that the existing road snow-melting and ice-melting mode has poor effect and causes environmental pollution.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of road snow-melting and ice-melting, and particularly relates to a snow-melting and ice-melting system and a construction method. BACKGROUND

[0002] In the southern region of China, during the period from November to the following April, the snow is generally "wet snow", which is often mixed state water of 0-4 DEG C, and becomes an ice water paste after falling to the ground. When the temperature drops at night, it will solidify into large ice blocks. When a large range of strong cold air activities cause the temperature to drop, it is possible to cause road icing. As long as the temperature does not rise enough to thaw the ice layer, it will remain as hard as a rock. Due to the large friction between the wheels and the road surface, it is easy to slip, and the car cannot be stopped, causing traffic accidents. Pedestrians are also easy to slip and fall, causing injuries.

[0003] In view of the road icing, the existing measures are divided into active deicing and passive control. The active deicing mainly includes timely salt anti-icing and organization of manpower cleaning. The passive control mainly includes scientific and reasonable speed limit, quantity limit and closure measures, and timely traffic safety control measures according to the regulations. The former has a high cost and causes damage to the road surface. The latter affects the normal traffic of people to a certain extent, and causes great inconvenience to people's daily travel. In the existing technology, the way of melting ice and snow on the road surface is to lay the heating cable according to the position of the lane track belt, including the straight lane and the turning lane. The laying width of the cable is equal to the width of the lane track, and the vehicle is kept on the equal-width ice-melting and snow-melting track to ensure that the position of the lane track belt realizes fast and efficient ice-melting and snow-melting. However, in the above scheme, the heating cable is arranged at the lane track belt, which has certain limitations. The heating area of the heating cable is small, and the temperature of the cable is limited. Only the lane track belt is arranged, and due to the cable itself and the arrangement problem, the heating range is small, which cannot achieve good ice-melting effect on the road surface and endangers the safety of driving. Moreover, the heating cable is damaged due to long-term operation or the pressure of the vehicle on the road surface, which causes the heating to be blocked, and the damaged area of the heating cable is difficult to check and replace.

[0004] As described above, the effect of the foregoing road surface snow-melting and ice-melting way based on the heating cable is poor, and the effect of the foregoing salt anti-icing way is also poor, which pollutes the environment. SUMMARY

[0005] The present application aims to provide a snow-melting and ice-melting system and a construction method, thereby solving the problems of poor effect of the existing road surface snow-melting and ice-melting way and pollution to the environment.

[0006] According to the first aspect of the present application, a snow-melting and ice-melting system is provided, which comprises a temperature measuring optical fiber, a DTS host, a control end, a temperature raising device and a water storage device; the temperature measuring optical fiber is laid on the upper layer of the road surface and located on both sides of the upper layer of the road surface to detect the temperature of the road surface in real time; the temperature raising device is arranged between the road surface and the road surface insulation layer, and a cavity is arranged in the temperature raising device; the temperature raising device comprises a water inlet and a water outlet which are in communication with the cavity; the water storage device stores heat-conducting water, and is connected with the water inlet and the water outlet; the signal input end of the DTS host is connected with the temperature measuring optical fiber, and the signal output end of the DTS host is connected with the control end; the DTS host can obtain the temperature value detected by the temperature measuring optical fiber in real time; when the temperature value of the temperature measuring optical fiber obtained by the DTS host reaches the freezing temperature threshold, the DTS host sends a temperature raising signal to the control end; and the control end controls the water storage device to circulate and pass in heat-conducting water into the cavity of the temperature raising device according to the temperature raising signal.

[0007] In any of the above technical solutions, further, the temperature raising device comprises an upper cover plate and a lower supporting base; the lower supporting base comprises a base edge and a base support, the base edge is arranged along the outer edge of the base support, the base support is provided with a plurality of recessed grooves, and a plurality of connecting nodes are formed between the plurality of grooves; the upper cover plate comprises a cover edge and a cover support, the cover edge is arranged along the outer edge of the cover support, and the bottom side of the cover support is provided with a plurality of supporting columns; the cover edge is connected with the base edge to form the cavity between the cover edge and the base edge; the plurality of supporting columns correspond to the plurality of connecting nodes one by one, and the supporting columns are in abutment with the corresponding connecting nodes.

[0008] In any of the above technical solutions, further, the base edge, the base support, the cover edge, the cover support and the supporting columns are all made of iron-aluminum alloy material; and the bottom of the lower supporting base is paved with an insulation layer.

[0009] In any of the above technical solutions, further, the base edge and the cover edge are both hollow structures, and the abutting portions of the base edge and the cover edge are open; the base edge and the cover edge are fixedly connected by being filled with concrete.

[0010] Alternatively, the base edge and the cover edge are solid structures, and the base edge and the cover edge are welded; the water inlet and the water outlet are respectively arranged at both ends of the temperature raising device, and the water inlet and the water outlet are arranged in the base edge and / or the cover edge.

[0011] In any of the above technical solutions, further, the water storage device is internally provided with a heater and a temperature sensor; the water storage device is connected with the water inlet through a first pipeline, and the water storage device is connected with the water outlet through a second pipeline; at least one of the first pipeline and the second pipeline is provided with a starting valve; the heater is used for heating the heat-conducting water in the water storage device, and the temperature sensor is used for detecting the water temperature of the heat-conducting water in the water storage device and sending the detected water temperature to the control end, and the control end is provided with a water temperature threshold; when the control end receives a temperature rising signal sent from the DTS host and the water temperature detected by the temperature sensor is greater than the water temperature threshold, the control end controls the starting valve to open to circulate the heat-conducting water into the chamber of the temperature rising device.

[0012] In any of the above technical solutions, further, the snow-melting and ice-melting system further comprises a bridge; the two sides of the upper layer of the road surface are provided with the bridge, and the temperature measuring optical fiber is laid on the bridge.

[0013] In any of the above technical solutions, further, the distance between the temperature measuring optical fiber and the surface of the road surface is 30 cm.

[0014] In any of the above technical solutions, further, the DTS host comprises a processing module; the processing module is provided with the icing temperature threshold, the processing module can compare the temperature value detected by the temperature measuring optical fiber acquired by the DTS host with the icing temperature threshold, and when the temperature value of the temperature measuring optical fiber reaches the icing temperature threshold, the processing module sends a temperature rising signal to the control end.

[0015] In any of the above technical solutions, further, the snow-melting and ice-melting system is applied to the road surface of a tunnel or an elevated bridge.

[0016] According to the second aspect of the present application, a construction method of a snow-melting and ice-melting system is provided, the construction method comprising: road surface bottom base layer construction; road surface base layer construction; road surface penetration layer construction; road surface lower seal layer construction; road surface lower layer construction; first road surface adhesive layer construction; road surface middle layer construction; road surface heat preservation layer construction, a heat preservation plate is laid on the top surface of the road surface middle layer, a film is covered on the surface of the heat preservation plate, and concrete is poured to form an integrated whole; the temperature rising device construction, the lower bearing base is laid on the road surface heat preservation layer, and then the upper cover plate is packaged, the water inlet and the water outlet are reserved on the upper cover plate, and the pipeline is embedded and connected with the water inlet and the water outlet; second road surface adhesive layer construction; road surface upper layer construction, the temperature measuring optical fiber is placed on the two sides of the road surface upper layer, and the upper layer material is filled.

[0017] According to the above technical features, the beneficial effects of the present application are:

[0018] The application monitors the road surface temperature in real time through the temperature measuring optical fiber, so as to take the detection of the road surface temperature as the temperature rise warning. The DTS host of the application can set the icing temperature threshold of the road surface, and if the temperature measuring optical fiber detects that the temperature along the line reaches the icing temperature threshold, the DTS host sends a temperature rise signal to the control end, and the control end controls the water storage device to circulate the heat-conducting water into the chamber of the temperature rise device to start the road surface temperature rise work and melt the snow and ice in the whole range of the laying area.

[0019] As described above, the application not only does not need human operation, but also can accurately control the road surface temperature for real-time temperature rise processing, and prevent the generation of road surface ice and snow. The temperature rise device of the application is arranged in the whole area of the road surface, compared with the traditional single linear heating mode, the coverage area is large, and the snow and ice on the road surface can be effectively melted. Moreover, the application rises the temperature of the road surface by the heat-conducting water, which does not pollute the environment, and provides a sustainable green design.

[0020] In order to make the above-mentioned purposes, characteristics and advantages of the application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0022] Figure 1 The cross-sectional structure schematic diagram of the temperature rise device of the embodiment of the application is shown;

[0023] Figure 2 The top view of the lower supporting base of the embodiment of the application is shown;

[0024] Figure 3 The top view of the upper cover plate of the embodiment of the application is shown;

[0025] Figure 4 The road surface layering schematic diagram of the embodiment of the application is shown;

[0026] Figure 5 The structural arrangement schematic diagram of the snow melting and ice melting system of the embodiment of the application is shown.

[0027] Icon: 100 - temperature measuring optical fiber; 200 - DTS host; 210 - GPIB interface; 300 - control end; 400 - temperature raising device; 410 - lower supporting base; 411 - base edge; 412 - base support; 4121 - groove; 4122 - connecting nodule; 420 - upper cover plate; 421 - cover plate edge; 4211 - water inlet; 4212 - water outlet; 422 - cover plate support; 4221 - supporting column; 500 - water storage device;

[0028] 10 - road surface subbase; 20 - road surface base; 30 - road surface penetration layer; 40 - road surface lower seal coat; 50 - road surface lower surface layer; 61 - first road surface tack coat; 70 - road surface middle surface layer; 80 - road surface thermal insulation layer; 62 - second road surface tack coat; 90 - road surface upper surface layer. DETAILED DESCRIPTION

[0029] The following detailed description is presented to help the reader understand the methods, devices, and / or systems described herein. However, various changes, modifications, and equivalents can be made to the methods, devices, and / or systems described herein without departing from the scope of the disclosure. For example, the order in which operations are described is not necessarily the order in which the operations are performed. Additionally, features described herein can be implemented in different forms without departing from the scope of the disclosure. For example, the features described herein can be implemented in software or hardware, or a combination thereof. As another example, the features described herein can be implemented as part of one or more programs, or as standalone applications. As a further example, the features described herein can be implemented in one or more systems, or in a distributed manner.

[0030] The features described herein can be implemented in different forms and should not be construed as being limited to the examples described herein. Rather, these examples have been provided so that this disclosure will be thorough and complete, and will fully convey the scope of the methods, devices, and / or systems to those skilled in the art. Further, the features described herein can be implemented in software or hardware, or a combination thereof.

[0031] Throughout the specification, when an element (such as a layer, region, or substrate) is referred to as being "on" another element, "connected to" another element, "coupled to" another element, "in contact with" another element, or "covering" another element, it can be directly on, connected to, coupled to, in contact with, or covering the other element, or one or more other elements can be interposed therebetween. In contrast, when an element is referred to as being "directly on," "directly connected to," "directly coupled to," "directly in contact with," or "directly covering" another element, there are no other elements interposed therebetween.

[0032] As used herein, the term "and / or" includes any one and any combination of the associated items.

[0033] Although terms such as "first", "second", and "third" can be used herein to describe various elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, elements, components, regions, layers and / or sections referred to as a first element, component, region, layer or section in the examples described herein can also be referred to as a second element, component, region, layer or section without departing from the teachings of the examples.

[0034] For ease of description, spatial relationship terms, such as "on", "upper", "under", and "lower", can be used herein to describe the relationship between one element and another element as shown in the drawings. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation, in addition to the orientation depicted in the drawings. For example, if the device in the drawings is turned over, an element described as on "upper" or "upper" relative to another element would then be oriented "under" or "lower" relative to the other element. Accordingly, the term "on" encompasses both an "on" and "under" orientation based on the spatial orientation of the device. The device can be oriented in other ways (e.g., rotated 90 degrees or at other orientations) and an appropriate re-interpretation of the spatial relationship terms used herein will be made.

[0035] The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises", "comprising", "includes", "including" and "has", "having" as used herein, are specifically intended to be construed as open-ended terms, i.e., to mean "including, but not limited to", "including, but not limited to", "including, but not limited to" and "including, but not limited to", respectively.

[0036] Variations in the shapes of the elements shown in the drawings can occur as a result of manufacturing processes and / or tolerances. Thus, the examples described herein are not limited to the specific shapes of the elements shown in the drawings, but include variations in shapes that would occur as a result of manufacturing processes.

[0037] The features of the examples described herein can be combined in a variety of ways as will be apparent after review of the disclosure. Additionally, although various examples have been described herein, it will be apparent to those of ordinary skill in the art that many modifications, combinations, sub-combinations and variations of examples can be made.

[0038] The first aspect of this application provides a snow-melting and ice-de-de-icing system, thereby solving the problem of poor performance of existing road snow-melting and ice-de-icing methods. See below for reference. Figures 1 to 5 This application describes a snow melting and de-icing system according to some embodiments.

[0039] like Figure 5 As shown, the snow melting and ice-removing system of this application includes a temperature-measuring optical fiber 100, a DTS host 200, a control terminal 300, a heating device 400, and a water storage device 500. The temperature-measuring optical fiber 100 is laid on both sides of the road surface layer 90 to monitor the road surface temperature in real time. The heating device 400 is located between the road surface and the road insulation layer 80, and has a chamber inside. The heating device 400 includes an inlet 4211 and an outlet 4212 communicating with the chamber. The water storage device 500 stores heat-conducting water and is connected to the inlet 4211 and the outlet 4212. The DTS host 200... The signal input terminal of DTS 400 is connected to the temperature measuring fiber 100, and the signal output terminal of DTS 400 is connected to the control terminal 300. DTS 400 can acquire the temperature value detected by the temperature measuring fiber 100 in real time. When the temperature value of the temperature measuring fiber 100 acquired by DTS 400 reaches the freezing temperature threshold, DTS 400 sends a heating signal to the control terminal 300. The control terminal 300 controls the water storage device 500 to circulate heat-conducting water into the chamber of the heating device 400 according to the heating signal.

[0040] In other words, this application uses a temperature-measuring fiber optic cable 100 to monitor the road surface temperature in real time, using the detected road surface temperature as an early warning of rising temperatures. The DTS host 200 of this application can set the road surface icing temperature threshold. If the temperature-measuring fiber optic cable 100 detects that the temperature along the road reaches the icing temperature threshold, the DTS host 200 sends a heating signal to the control terminal 300. The control terminal 300 controls the water storage device 500 to circulate hot water into the chamber of the heating device 400 according to the heating signal, starting the road surface heating process and performing full-range snow and ice melting in the paved area.

[0041] As described above, this application not only eliminates the need for manual operation but also precisely controls the road surface temperature for real-time heating, thus preventing the formation of ice and snow on the road surface. The heating device 400 of this application is deployed across the entire road surface area, providing a larger coverage area compared to traditional single-line heating methods, effectively melting snow and ice. Furthermore, this application uses hot water to heat the road surface, causing no environmental pollution and providing a sustainable green design. This application is convenient to construct, economical, and of great significance in solving the problem of disasters caused by road snow and ice melting.

[0042] It should be noted that the temperature measuring optical fiber 100 of the present application adopts a distributed optical fiber, which mainly monitors the temperature of the road surface based on Raman temperature measurement. According to the freezing point of the road surface, 0℃, the temperature value of the road surface is taken as the system control point. If the monitored temperature is lower than the freezing point, the heating device 400 is automatically started to start the road surface heating work.

[0043] When the distributed optical fiber is installed, the distributed optical fiber is arranged on both sides of the upper layer 90 of the road surface, so that the temperature of the road surface on the laying path can be detected in real time. The signal input end of the DTS host 200 is connected with one end of the temperature measuring optical fiber 100, and the signal output end of the DTS host 200 is connected with the control end 300 through the GPIB interface 210. Here, the temperature measuring optical fiber 100 adopts a multimode optical fiber, which should be consistent with the trend of the road surface during arrangement and should not be redundant. If the length of one temperature measuring optical fiber 100 is not enough, the joints of multiple temperature measuring optical fibers 100 are fused by a fusion machine.

[0044] In addition, it should be noted that the temperature measuring optical fiber 100 of the present application is arranged on both sides of the upper layer 90 of the road surface, and the temperature measuring optical fiber 100 indirectly detects the temperature of the road surface by detecting the surrounding temperature. In the embodiment of the present application, a bridge is arranged on both sides of the upper layer 90 of the road surface, and the temperature measuring optical fiber 100 is laid in the bridge. The bridge not only facilitates the installation of the temperature measuring optical fiber 100, but also protects the temperature measuring optical fiber 100.

[0045] In the embodiment of the present application, the distance between the temperature measuring optical fiber 100 and the surface of the road surface is 30cm. If the distance exceeds, the detection effect is not good, and if the distance is less than, the temperature measuring optical fiber 100 is easily damaged. In addition, since the temperature measuring optical fiber 100 is laid in the bridge and does not directly adhere to the road surface, there is a slight deviation between the road surface temperature and the detected temperature, so the set freezing temperature threshold should be slightly higher than 0℃. The specific installation position of the temperature measuring optical fiber 100 and the heating device 400 will be described below.

[0046] In the embodiment of the present application, the water storage device 500 is provided with a heater and a temperature sensor inside. The water storage device 500 is connected with the water inlet 4211 of the heating device 400 through a first pipeline, and the water storage device 500 is connected with the water outlet 4212 of the heating device 400 through a second pipeline. The first pipeline and the second pipeline are provided with a starting valve and a pump body on at least one of them. The heater is used to heat the heat-conducting water in the water storage device 500, and the temperature sensor is used to detect the water temperature of the heat-conducting water in the water storage device 500 and send the detected water temperature to the control end 300. The control end 300 is provided with a water temperature threshold. When the control end 300 receives the heating signal sent from the DTS host 200, and when the temperature sensor detects that the water temperature is greater than the water temperature threshold, the control end 300 controls the starting valve and the pump body to be opened to circulate the heat-conducting water into the cavity of the heating device 400.

[0047] As described above, the heat-conducting water as the temperature-raising medium of the road surface is heated to a certain temperature by the water storage device 500, and the temperature-raising device 400 is connected to the water storage device 500 through a pump body and a pneumatic valve. The water storage device 500 has a heating function and can set a heating interval, and the water storage device 500 does not deliver the heat-conducting water when the specified temperature is not reached.

[0048] In the embodiment of the present application, as shown in Figures 1 to 3 The temperature-raising device 400 includes an upper cover plate 420 and a lower supporting base 410. The lower supporting base 410 includes a base edge 411 and a base support 412, the base edge 411 is arranged along the outer edge of the base support 412, and the base support 412 is provided with a plurality of recessed grooves 4121, and a plurality of connecting nodes 4122 are formed between the plurality of grooves 4121. The upper cover plate 420 includes a cover edge 421 and a cover support 422, the cover edge 421 is arranged along the outer edge of the cover support 422, and a plurality of support columns 4221 are fixed to the bottom side of the cover support 422; the cover edge 421 is connected with the base edge 411, so that a cavity is formed between the cover edge 421 and the base edge 411; the plurality of support columns 4221 correspond to the plurality of connecting nodes 4122 one by one, and the support column 4221 is in abutment with the corresponding connecting node 4122.

[0049] As an optimization, the base edge 411 and the base support 412 are matched with the cover edge 421 and the cover support 422, and are combined into a whole, the plurality of support columns 4221 correspond to the plurality of connecting nodes 4122 one by one, and the support column 4221 is in abutment with the corresponding connecting node 4122. In this way, the support column 4221 not only increases the heat exchange area of the heat-conducting water, but also increases the stability of the overall structure of the temperature-raising device 400, and the support column 4221 increases the contact surface with the lower supporting base 410, so that the stress transmitted downward through the road surface is diffused.

[0050] In addition, in the embodiment of the present application, as shown in Figure 4 The base support 412 of the present application is provided with a plurality of recessed grooves 4121, the groove 4121 can be in the form of a hemisphere, and a plurality of connecting nodes 4122 are formed between the plurality of grooves 4121. Correspondingly, a plurality of support columns 4221 are fixed to the bottom side of the cover support 422, and the support column 4221 can also be in the form of a hemisphere, and the hemispherical support column 4221 is in abutment with the corresponding connecting node 4122.

[0051] Further, on this basis, the upper surface of the connecting nodule 4122 can be provided as a spherical concave surface adapted to the lower spherical surface of the semi-spherical support column, so that the lower spherical surface of the semi-spherical support column is in abutment with the spherical concave surface of the connecting nodule. In this way, when the semi-spherical support column 4221 is in abutment with the corresponding connecting nodule 4122, the contact area can be increased through spherical surface fitting, further improving the stability of the overall structure of the temperature raising device 400.

[0052] In the embodiments of the present application, the connecting mode of the upper cover plate 420 and the lower supporting base 410 can adopt the following two modes.

[0053] Example one: the edge 411 of the base and the edge 421 of the cover plate are both hollow structures, and the abutting portion of the edge 411 of the base and the edge 421 of the cover plate is open, and the edge 411 of the base and the edge 421 of the cover plate are both filled with concrete to fixedly connect the edge 411 of the base and the edge 421 of the cover plate.

[0054] Example two: the edge 411 of the base and the edge 421 of the cover plate are solid structures, and the edge 411 of the base and the edge 421 of the cover plate are welded.

[0055] Example three: the edge 411 of the base and the edge 421 of the cover plate are solid structures, and the edge 411 of the base and the edge 421 of the cover plate are connected through bolts.

[0056] Example four: the edge 411 of the base and the edge 421 of the cover plate are solid structures, and the edge 411 of the base and the edge 421 of the cover plate are mutually clamped.

[0057] In example three and example four, the later maintenance of the temperature raising device can be facilitated.

[0058] In addition, the water inlet 4211 and the water outlet 4212 are respectively arranged at the two ends of the temperature raising device 400, and the water inlet 4211 and the water outlet 4212 are arranged at the edge 411 of the base and / or the edge 421 of the cover plate. Preferably, as shown in the drawings, the water inlet 4211 and the water outlet 4212 are respectively arranged at the edge 421 of the cover plate and the edge 411 of the base. Figure 1

[0059] Preferably, in the embodiments of the present application, the edge 411 of the base, the supporting platform 412 of the base, the edge 421 of the cover plate, the supporting platform 422 of the cover plate and the support column 4221 are all made of iron-aluminum alloy material. The bottom of the lower supporting base 410 is paved with a heat preservation layer. As provided, the strength and heat conductivity of the temperature raising device 400 can be effectively improved.

[0060] Preferably, in the embodiments of the present application, the temperature raising device 400 is consistent with the width of the road surface, and the road surface is subjected to full-range temperature raising treatment, achieving good disaster prevention and snow-melting and ice-melting effects.

[0061] ​In the embodiment of the present application, the DTS host 200 can further comprise a processing module. The processing module is provided with a freezing temperature threshold value, and the processing module can compare the temperature value detected by the temperature measuring optical fiber 100 with the freezing temperature threshold value. When the temperature value of the temperature measuring optical fiber 100 reaches the freezing temperature threshold value, the processing module sends a temperature rising signal to the control end 300.

[0062] As an example, the processing module can be a DTS host 200, and the CSM software installed on the DTS host 200. The CSM software is provided with a freezing temperature threshold value, which can be set according to the temperature threshold value when the road surface freezes. When the temperature value of the temperature measuring optical fiber 100 reaches the freezing temperature threshold value (indicating that the temperature of a certain road surface is lower than the freezing temperature threshold value of 0℃), the CSM software installed on the DTS host 200 is automatically triggered to output a temperature rising signal to the control end 300.

[0063] It should be noted that the CSM software itself is prior art. The CSM software is a system monitoring software, which is suitable for a temperature monitoring system, accesses the DTS host for data collection, can record and analyze temperature data, and can monitor the required parameters. In the present application, the CSM software mainly performs temperature data analysis, sets a freezing temperature threshold value, and thus realizes an alarm function.

[0064] The specific implementation and operation steps of the snow melting and ice melting system of the present application are as follows:

[0065] Step 1, preparation; prefabrication and installation of the snow melting and ice melting system.

[0066] Step 2, arrangement of the temperature measuring optical fiber 100; bridge frames are installed on both sides of the surface layer 90 of the road surface, and the temperature measuring optical fiber 100 is laid in the bridge frames.

[0067] Step 3, the DTS host 200 provided with a freezing temperature threshold value is connected to the control end 300. The control end 300 starts the temperature rising device 400 after receiving the information transmitted by the DTS host 200 after detecting temperature abnormalities.

[0068] Step 4, monitoring operation; the DTS host 200 monitors the temperature of the road surface in real time through the temperature measuring optical fiber 100, and sets a freezing temperature threshold value.

[0069] Step 5, freezing warning and system operation; when the DTS host 200 detects that the temperature of the temperature measuring optical fiber 100 is lower than the freezing temperature threshold value, a temperature rising signal is output to the control end 300, and the control end 300 controls the water storage device 500 to circulate and input the heat-conducting water into the chamber of the temperature rising device 400 according to the temperature rising signal.

[0070] Step 6, temperature rising treatment; the heat conducting water enters the temperature rising device 400 through the water inlet 4211, flows through the chamber of the temperature rising device 400, and then flows out from the water outlet 4212, and the heat carried by the heat conducting water is used for rising the temperature of the road surface. The heat conducting water after flowing out flows into the water storage device 500 through the pipeline, and then flows out after being heated, and the circulation is repeated until the temperature of the road surface detected by the temperature measuring optical fiber 100 is higher than the freezing temperature threshold set by the system.

[0071] Step 7, system hibernation; after the temperature rising treatment, the temperature of the road surface rises, and when the DTS host 200 detects that the temperature of the temperature measuring optical fiber 100 is higher than the freezing temperature threshold set by the system, the control end 300 withdraws the instruction and stops injecting the heat conducting water.

[0072] The temperature rising treatment is completed.

[0073] In daily operation, the snow-melting and ice-melting system is in standby state, the temperature measuring optical fiber 100 monitors the temperature of the road surface in real time, if the temperature of the road surface is lower than the freezing temperature threshold, the system starts to operate, the system operation process is as described above from step five to step seven, and the circulation is repeated until the temperature of the road surface rises. In winter, due to the influence of wind and snow and low temperature, the road surface is frozen, which endangers the driving safety, and the application can effectively solve the above problems. The system does not need to be operated by human beings and can be operated for a long time.

[0074] The construction method of the snow-melting and ice-melting device of the application is performed according to the following steps:

[0075] Step 1, construction of the road surface bottom base layer 10; the lime stabilized soil bottom base layer, the cement concrete bottom base layer and the like are paved on the completed roadbed or cushion layer, and the purpose is to prevent mud and frost. The pressure stress on the top surface of the roadbed is reduced, and the influence of uneven deformation of the roadbed on the surface layer is alleviated.

[0076] Step 2, construction of the road surface base layer 20; the lower bearing layer is prepared, the surface of the lower bearing layer must be flat, solid, have a specified road crown, and be free of any loose material and weak points. The construction is laid out, the center line is restored on the lower bearing layer, the level measurement is performed, the mixture is spread and compacted.

[0077] Step 3, construction of the road surface penetration layer 30; before pouring the penetration layer, the completed road surface base layer 20 is cleaned, all loose materials, debris and other unsuitable materials on the surface of the road surface base layer 20 are completely removed, and if the surface of the road surface base layer 20 is excessively dry, a small amount of water is sprinkled on the surface of the road surface base layer 20, and the penetration layer asphalt is poured after the surface is slightly dry.

[0078] Step 4, construction of the road surface lower seal layer 40; before the construction of the road surface lower seal layer 40, the penetration layer asphalt must be fully penetrated, and the top surface of the lower bearing layer must be cleaned. The lower seal layer is constructed by spraying asphalt by using the asphalt spreader, the speed and spraying amount are kept stable during the spreading, and the asphalt spreader should be uniformly sprayed within the entire spreading width.

[0079] Step 5, construction of the lower layer 50 of the road surface; the lower layer 50 of the road surface is paved with coarse-grained asphalt concrete (AC-30I) and compacted.

[0080] Step 6, construction of the first road surface adhesive layer 61; before pouring the first road surface adhesive layer 61, the asphalt layer is inspected to ensure that the surface is flat, rough, dry and clean. The purpose is to bond the various layers.

[0081] Step 7, construction of the middle layer 70 of the road surface; the middle layer 70 of the road surface is paved and compacted with dense medium-grained or fine-grained mixture.

[0082] Step 8, construction of the road surface insulation layer 80; the top surface of the middle layer 70 of the road surface must be cleaned, a number of insulation boards are laid flat on it, a surface cover film is laid on the top, and then concrete is poured to form a whole.

[0083] Step 9, construction of the heating device 400; a certain number of lower support bases 410 and upper cover plates 420 are prefabricated in the factory, with a width consistent with the road surface, and are hoisted by a crane during construction to ensure that the lower support bases 410 are flat and fall on the road surface, and are spliced into a whole. Concrete is poured into the hollow layer of the lower support base 410, and after reaching the required strength, the lower support base 410 is encapsulated with the upper cover plate 420. Water inlets 4211 and outlets 4212 are reserved on the upper cover plate 420, and pipes are pre-buried to connect with the heating device 400.

[0084] Step 10, construction of the second road surface adhesive layer 62; before pouring the second road surface adhesive layer 62, the asphalt layer is inspected to ensure that the surface is flat, rough, dry and clean. The purpose is to bond the various layers.

[0085] Step 11, construction of the upper layer 90 of the road surface; the upper layer 90 of the road surface is paved with dense medium-grained or fine-grained asphalt mixture using a paver to ensure the required temperature, and is compacted by a road roller.

[0086] Step 12, installation of the temperature measuring optical fiber 100; the temperature measuring optical fiber 100 is placed in the bridge of the upper layer 90 of the road surface and is filled with the material of the upper layer 90 of the road surface.

[0087] Completed;

[0088] Preferably, each layer should be watered after construction to prevent cracking.

[0089] Preferably, the insulation board is a polyurethane insulation board, which has a low thermal conductivity and good thermal performance, and is the material with the lowest thermal conductivity among all insulation materials.

[0090] Preferably, holes are reserved on the side of the lower support base 410 to facilitate pouring of concrete into the hollow layer.

[0091] Preferably, each block of the lower supporting base 410 and the upper cover plate 420 are spliced into a whole by welding respectively.

[0092] Preferably, the temperature measuring optical fiber 100 is embedded in a bridge at a certain depth from the ground surface, and when the temperature raising device 400 is not used, the joint of the temperature measuring optical fiber 100 is covered with a dustproof cover.

[0093] Preferably, when the side edge of the upper layer 90 of the road surface is constructed, a small bridge should be installed, and the temperature measuring optical fiber 100 is laid therein, which is convenient for the protection and later maintenance of the temperature measuring optical fiber 100.

[0094] As an optimization, the present application is applicable to low temperature conditions in winter, and can effectively raise the temperature of the road surface, and can be applied to different road surfaces. For example, the snow melting and ice melting system is applied to the road surface of the tunnel, the viaduct, the runway and the pedestrian overpass.

[0095] Finally, it should be pointed out that the above-described embodiments are only specific embodiments of the present application, which are used to illustrate the technical solutions of the present application, but not to limit them, and the protection scope of the present application is not limited thereto. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can modify or easily think of changes to the technical solutions recorded in the foregoing embodiments, or replace some technical features with equivalent ones within the technical scope disclosed by the present application. The modification, change or replacement does not make the corresponding technical solution deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be covered within the protection scope of the present application.

Claims

1. A snow melting and ice-de-thawing system, characterized in that, The snow melting and ice-de-thawing system includes a temperature-measuring optical fiber, a DTS host, a control terminal, a heating device, and a water storage device. The temperature-measuring optical fiber is laid on the surface layer of the road surface and located on both sides of the surface layer of the road surface to detect the road surface temperature in real time along the path. The heating device is installed between the road surface and the road insulation layer. The heating device has a chamber inside and includes an inlet and an outlet that communicate with the chamber. The water storage device stores heat-conducting water, and the water storage device is connected to the water inlet and the water outlet; The signal input terminal of the DTS host is connected to the temperature-measuring optical fiber, and the signal output terminal of the DTS host is connected to the control terminal. The DTS host can acquire the temperature value detected by the temperature-measuring optical fiber in real time. When the temperature value of the temperature-measuring optical fiber acquired by the DTS host reaches the freezing temperature threshold, the DTS host sends a heating signal to the control terminal. The control terminal controls the water storage device to circulate heat-conducting water into the chamber of the heating device according to the heating signal. The heating device includes an upper cover plate and a lower support base; The lower support base includes a base edge and a base support platform. The base edge is provided along the outer edge of the base support platform. The base support platform is provided with multiple recessed grooves, and multiple connecting joints are formed between the multiple grooves. The upper cover plate includes a cover plate edge and a cover plate support. The cover plate edge is provided along the outer edge of the cover plate support, and a plurality of support columns are provided on the bottom side of the cover plate support. The cover plate is connected to the base edge to form the cavity between the cover plate edge and the base edge; the plurality of support columns correspond one-to-one with the plurality of connecting nodes, and the support column is connected to the corresponding connecting node; The water storage device is equipped with a heater and a temperature sensor. The water storage device is connected to the water inlet via a first pipeline, and the water storage device is connected to the water outlet via a second pipeline; at least one of the first pipeline and the second pipeline is equipped with a start valve; The heater is used to heat the thermally conductive water in the water storage device, and the temperature sensor is used to detect the water temperature of the thermally conductive water in the water storage device and send the detected water temperature to the control terminal. The control terminal is set with a water temperature threshold. When the control terminal receives a heating signal from the DTS host, and when the water temperature detected by the temperature sensor is greater than the water temperature threshold, the control terminal controls the start valve to open, so as to circulate hot water into the chamber of the heating device.

2. The snow melting and de-icing system according to claim 1, characterized in that, The base edge, the base support, the cover plate edge, the cover plate support, and the support column are all made of iron-aluminum alloy. The bottom of the lower support base is covered with an insulation layer.

3. The snow melting and ice-de-thawing system according to claim 1, characterized in that, Both the base edge and the cover plate edge are hollow structures, and the joint between the base edge and the cover plate edge is open. Both the base edge and the cover plate edge are filled with concrete to fix them together. Alternatively, the adjacent edges of the base and the adjacent edges of the cover plate are solid structures, and the adjacent edges of the base and the adjacent edges of the cover plate are welded together; The water inlet and the water outlet are respectively located at both ends of the heating device, and the water inlet and the water outlet are located at the edge of the base and / or the edge of the cover plate.

4. The snow melting and de-icing system according to claim 1, characterized in that, The snow melting and ice-removing system also includes cable trays; The cable trays are installed on both sides of the surface layer of the road, and the temperature measuring optical fiber is laid on the cable trays.

5. The snow melting and de-icing system according to claim 4, characterized in that, The temperature-measuring optical fiber is 30cm away from the surface of the road surface.

6. The snow melting and de-icing system according to any one of claims 1-5, characterized in that, The DTS host includes a processing module; The processing module is set with the freezing temperature threshold. The processing module can compare the temperature value detected by the temperature measuring fiber obtained by the DTS host with the freezing temperature threshold. When the temperature value of the temperature measuring fiber reaches the freezing temperature threshold, the processing module sends a heating signal to the control terminal.

7. The snow melting and de-icing system according to any one of claims 1-5, characterized in that, The snow melting and de-icing system is applied to the road surface of tunnels or viaducts.

8. A construction method for a snow melting and de-icing system as described in any one of claims 1-7, characterized in that, The construction method includes: Road subbase construction; road base construction; road tack coat construction; road under-sealing coat construction; road lower layer construction; first tack coat construction; road intermediate layer construction; For the construction of the road insulation layer, insulation boards are laid flat on the top surface of the middle layer of the road, the surface of the insulation boards is covered with a film, and concrete is poured to form a whole. The heating device is constructed by laying the lower support base flat on the road insulation layer, then sealing it with the upper cover plate, then reserving the water inlet and the water outlet on the upper cover plate, and pre-burying pipes to connect the water inlet and the water outlet. Second road surface tack coat construction; During the construction of the road surface layer, the temperature measuring optical fibers are placed on both sides of the road surface layer and then filled with the surface layer material.

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