Snow melting and deicing system and construction method

Abstract

The invention relates to the technical field of road snow melting and deicing, in particular to a snow melting and deicing system and a construction method, and the snow melting and deicing system comprises a temperature measurement optical fiber, a DTS host, a control end, a heating device and a water storage device; the temperature measuring optical fiber is laid on the upper surface layer of the road surface so as to detect the road surface temperature on a path in real time; the heating device is arranged between the pavement and the pavement thermal insulation layer and comprises a water inlet and a water outlet which are communicated with an inner cavity of the heating device; the water storage device 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 is connected with the control end; when the temperature value, obtained by the DTS host, of the temperature measuring optical fiber reaches the icing temperature threshold value, a temperature rising signal is sent to the control end, and the control end controls the water storage device to circularly introduce heat conduction water into the cavity according to the temperature rising signal. According to the snow melting and deicing system and the construction method, the problems that an existing road surface snow melting and deicing mode is poor in effect, and pollution can be caused to the environment are solved.

Description

Technical Field

[0001] The present application relates to the technical field of road snow and ice melting, and in particular to a snow and ice melting system and a construction method. Background Art

[0002] In southern my country, from November to April of the following year, the snowfall is generally "wet snow", which is often a mixed state of water at 0 to 4°C. It becomes an ice-water paste when it hits the ground. When the temperature drops at night, it will solidify into large pieces of ice. When there is a large-scale strong cold air activity causing the temperature to drop, the roads may be frozen. As long as the temperature does not rise high enough to thaw the ice, it will remain as solid as a rock. Since the friction between the wheels and the road surface is greatly weakened, it is easy to slip and the car cannot be braked, causing traffic accidents. Pedestrians are also prone to slipping and falling.

[0003] In response to road icing, the existing response measures are divided into active deicing and passive control. Active deicing mainly involves timely salting to resist ice and organizing manpower for cleaning; passive control mainly involves scientifically and reasonably taking speed limit, quantity limit and closure measures, and taking traffic safety control measures in a timely manner in accordance with regulations; the former is costly and will cause damage to the road surface, and the latter affects people's normal passage to a certain extent, causing great trouble to people's daily travel. The existing technology for melting ice and snow on the road is to lay heating cables according to the location of the wheel track of the lane, including on the straight lane and the turning lane. The cable laying width is the same as the wheel track of the lane. The vehicle remains on the wheel track of the same width to melt ice and snow, ensuring that the location of the wheel track of the lane can quickly and efficiently melt ice and snow. However, in the above scheme, laying the heating cable in the wheel track of the lane has certain limitations. The heating cable has a small heat generation area and a limited cable temperature. It is only laid in the wheel track of the lane. Due to the cable itself and its laying problems, the heat generation range is small, which cannot achieve a good ice-melting effect on the road surface, endangering driving safety. Moreover, the heating cable is partially damaged due to long-term operation or the pressure of vehicles passing on the road, which hinders the heat generation. The damaged area of ​​the heating cable is difficult to check and replace.

[0004] As mentioned above, the aforementioned road snow-melting and ice-melting method based on heating cables is not effective, and the aforementioned anti-icing method based on spreading salt is also not effective and will cause pollution to the environment. Summary of the invention

[0005] The purpose of the present application is to provide a snow-melting and ice-melting system and construction method, thereby solving the problem that the existing road snow-melting and ice-melting methods are ineffective and cause 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 heating device and a water storage device; the temperature measuring optical fiber is laid on the upper layer of the road surface and is located on both sides of the upper layer of the road surface to detect the road surface temperature on the path in real time; the heating device is arranged between the road surface and the road surface insulation layer, and a chamber is arranged inside the heating device, and the heating device comprises a water inlet and a water outlet communicated with the chamber; the water storage device stores thermal conductive water, and the water storage device is connected to the water inlet and the water outlet; the signal input end of the DTS host is connected to the temperature measuring optical fiber, and the signal output end of the DTS host is connected to the control end; the DTS host can obtain the temperature value detected by the temperature measuring optical fiber in real time, and when the temperature value of the temperature measuring optical fiber obtained by the DTS host reaches the freezing temperature boundary, the DTS host sends a heating signal to the control end, and the control end controls the water storage device to circulate the thermal conductive water into the chamber of the heating device according to the heating signal.

[0007] In any of the above technical schemes, further, the heating device includes an upper cover plate and a lower supporting base; the lower supporting base includes 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 nodules are formed between the plurality of grooves; the upper cover plate includes a cover edge and a cover support, the cover edge is arranged along the outer edge of the cover support, and a plurality of supporting columns are arranged on the bottom side of the cover support; the cover edge is connected to the base edge so that the chamber is formed between the cover edge and the base edge; the plurality of supporting columns correspond one-to-one to the plurality of connecting nodules, and the support columns are connected to the corresponding connecting nodules.

[0008] In any of the above technical solutions, further, the base edge, the base support, the cover edge, the cover support and the support column are all made of iron-aluminum alloy; 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 joint between the base edge and the cover edge is open, and the base edge and the cover edge are filled with concrete so that the base edge and the cover edge are fixedly connected;

[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 opened at the two ends of the heating device, and the water inlet and the water outlet are opened at the base edge and / or the cover edge.

[0011] In any of the above technical solutions, further, a heater and a temperature sensor are provided inside the water storage device; the water storage device is connected to the water inlet through a first pipeline, and the water storage device is connected to the water outlet through a second pipeline; a start valve is provided on at least one of the first pipeline and the second pipeline; the heater is used to heat the thermal conductive water in the water storage device, and the temperature sensor is used to detect the water temperature of the thermal conductive water in the water storage device, and send the detected water temperature to the control end, and the control end is set with a water temperature threshold; when the control end receives a heating signal sent from the DTS host, and when the water temperature detected by the temperature sensor is greater than the water temperature threshold, the control end controls the start valve to open, so as to circulate the thermal conductive water into the chamber of the heating device.

[0012] In any of the above technical solutions, further, the snow-melting and ice-melting system also includes a bridge; the bridge is arranged on both sides of the upper layer of the road surface, and the temperature measuring optical fiber is laid on the bridge.

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

[0014] In any of the above technical solutions, further, the DTS host includes a processing module; the processing module is provided with the freezing temperature boundary value, and the processing module can compare the temperature value detected by the temperature measuring optical fiber obtained by the DTS host with the freezing temperature boundary value, and when the temperature value of the temperature measuring optical fiber reaches the freezing temperature boundary value, the processing module sends a heating 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 a viaduct.

[0016] According to the second aspect of the present application, a construction method for a snow-melting and ice-melting system is provided, and the construction method includes: construction of a subbase layer of a pavement; construction of a pavement base layer; construction of a pavement permeable layer; construction of a pavement lower sealing layer; construction of a pavement lower layer; construction of a first pavement adhesive layer; construction of a pavement middle surface layer; construction of a pavement thermal insulation layer, in which a thermal insulation board is laid on the top surface of the pavement middle surface layer, a film is covered on the surface of the thermal insulation board, and concrete is poured to form a whole; construction of the heating device, in which the lower supporting base is laid on the pavement thermal insulation layer, and then it is packaged with the upper cover plate, and then the water inlet and the water outlet are reserved on the upper cover plate, and pipes are pre-buried to connect the water inlet and the water outlet; construction of a second pavement adhesive layer; construction of a pavement upper layer, in which the temperature measuring optical fibers are placed on both sides of the pavement upper layer, and filled with the upper layer material.

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

[0018] This application uses temperature measuring optical fiber to monitor the road surface temperature in real time, and uses the detection of road surface temperature as a temperature rise warning. The DTS host of this application can set the road surface icing temperature threshold. If the temperature measuring optical fiber detects that the temperature along the line reaches the icing temperature threshold, the DTS host sends a heating signal to the control end. The control end controls the water storage device to circulate hot water into the chamber of the heating device according to the heating signal, starts the road surface heating work, and melts snow and ice in the entire paving area.

[0019] As mentioned above, the present application not only does not require manual operation, but can also accurately control the road surface temperature for real-time heating treatment, thus preventing the formation of ice and snow on the road surface. The heating device of the present application is arranged in the entire road surface area. Compared with the traditional single linear heating method, it has a large coverage area and can effectively melt snow and ice on the road surface. Moreover, the present application heats the road surface by heat conduction, which will not pollute the environment and provides a sustainable green design.

[0020] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 A schematic cross-sectional structure diagram of a temperature raising device according to an embodiment of the present application is shown;

[0023] Figure 2 A top view of a lower supporting base according to an embodiment of the present application is shown;

[0024] Figure 3 A top view of an upper cover plate according to an embodiment of the present application is shown;

[0025] Figure 4 A schematic diagram of pavement layering according to an embodiment of the present application is shown;

[0026] Figure 5 A schematic diagram showing the structural arrangement of a snow-melting and ice-melting system according to an embodiment of the present application is shown.

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

[0028] 10-pavement subbase; 20-pavement base; 30-pavement permeable layer; 40-pavement lower seal layer; 50-pavement lower layer; 61-first pavement adhesive layer; 70-pavement middle surface layer; 80-pavement insulation layer; 62-second pavement adhesive layer; 90-pavement upper layer. DETAILED DESCRIPTION

[0029] The following specific embodiments are provided to help the reader obtain a comprehensive understanding of the methods, devices and / or systems described herein. However, after understanding the disclosure of the present application, various changes, modifications and equivalents of the methods, devices and / or systems described herein will be apparent. For example, the order of operations described herein is merely an example, and is not limited to the order set forth herein, but in addition to the operations that must occur in a particular order, changes that will be apparent after understanding the disclosure of the present application may be made. In addition, in order to improve clarity and brevity, descriptions of features known in the art may be omitted.

[0030] The features described herein may be implemented in different forms and should not be interpreted as being limited to the examples described herein. Rather, the examples described herein have been provided only to illustrate some of the many possible ways of implementing the methods, devices and / or systems described herein that will be apparent after understanding the disclosure of the present application.

[0031] Throughout the specification, when an element (such as a layer, a region, or a substrate) is described as being “on”, “connected to”, “bound to”, “over”, or “covering” another element, it may be directly “on”, “connected to”, “bound to”, “over”, or “covering” another element, or one or more other elements may be present between them. In contrast, when an element is described as being “directly on”, “directly connected to”, “directly bound to”, “directly over”, or “directly covering” another element, there may be no other elements present between them.

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

[0033] Although terms such as "first," "second," and "third" may be used herein to describe various members, components, regions, layers, or portions, these members, components, regions, layers, or portions are not limited by these terms. Rather, these terms are only used to distinguish one member, component, region, layer, or portion from another member, component, region, layer, or portion. Therefore, without departing from the teachings of the examples described herein, the first member, component, region, layer, or portion referred to may also be referred to as the second member, component, region, layer, or portion.

[0034] For ease of description, spatial relational terms such as "above", "upper", "below", and "lower" may be used herein to describe the relationship of one element to another element as shown in the accompanying drawings. Such spatial relational terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. For example, if the device in the accompanying drawings is turned over, an element described as being "above" or "upper" relative to another element will subsequently be "below" or "lower" relative to the other element. Therefore, the term "above" includes both "above" and "below" orientations depending on the spatial orientation of the device. The device may also be positioned in other ways (e.g., rotated 90 degrees or in other orientations), and the spatial relational terms used herein will be interpreted accordingly.

[0035] The terms used herein are only used to describe various examples and are not used to limit the present disclosure. Unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. The terms "include", "comprise" and "have" list the stated features, quantities, operations, components, elements and / or their combinations that exist, but do not exclude the existence or addition of one or more other features, quantities, operations, components, elements and / or their combinations.

[0036] Variations in the shapes shown in the drawings may occur due to manufacturing techniques and / or tolerances. Therefore, the examples described herein are not limited to the specific shapes shown in the drawings but include variations in shapes that occur during manufacturing.

[0037] The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. In addition, although the examples described herein have various configurations, other configurations are possible as will be apparent after understanding the disclosure of the present application.

[0038] The first aspect of the present application provides a snow-melting and ice-melting system, thereby solving the problem that the existing road snow-melting and ice-melting methods are not effective. Figures 1 to 5 The snow-melting and ice-melting system according to some embodiments of the present application is described.

[0039] like Figure 5 As shown, the snow-melting and ice-melting system of the present 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 the upper layer 90 of the road surface and is located on both sides of the upper layer 90 of the road surface to detect the road surface temperature on the path in real time; the heating device 400 is arranged between the road surface and the road surface insulation layer 80, and a chamber is arranged inside the heating device 400, and the heating device 400 includes a water inlet 4211 and a water outlet 4212 connected to the chamber; the water storage device 500 stores heat-conducting water, and the water storage device 500 is connected to the water inlet 4211 and the water outlet 4212; the DTS host 2 The signal input end of the DTS host 200 is connected to the temperature measuring optical fiber 100, and the signal output end of the DTS host 200 is connected to the control end 300; the DTS host 200 can obtain the temperature value detected by the temperature measuring optical fiber 100 in real time. When the temperature value of the temperature measuring optical fiber 100 obtained by the DTS host 200 reaches the freezing temperature boundary, the DTS host 200 sends a heating signal to the control end 300, and the control end 300 controls the water storage device 500 to circulate hot water into the chamber of the heating device 400 according to the heating signal.

[0040] That is to say, the present application monitors the road surface temperature in real time through the temperature measuring optical fiber 100, and uses the detection of the road surface temperature as a temperature rise warning. The DTS host 200 of the present application can set the road surface icing temperature threshold. If the temperature measuring optical fiber 100 detects that the temperature along the line reaches the icing temperature threshold, the DTS host 200 sends a temperature rise signal to the control end 300. The control end 300 controls the water storage device 500 to circulate hot water into the chamber of the heating device 400 according to the temperature rise signal, starts the road surface heating work, and melts snow and ice in the entire paving area.

[0041] As described above, the present application not only does not require manual operation, but can also accurately control the road surface temperature for real-time heating treatment, thereby preventing the formation of ice and snow on the road surface. The heating device 400 of the present application is arranged in the entire area of ​​the road surface. Compared with the traditional single linear heating method, it has a large coverage area and can effectively melt snow and ice on the road surface. Moreover, the present application heats the road surface by heat conduction, which will not pollute the environment and provides a sustainable green design. The present application is easy to construct, economical and reasonable, and is of great significance in solving the problem of disasters caused by melting snow and ice on the road surface.

[0042] It should be noted here that the temperature measuring optical fiber 100 of the present application adopts a distributed optical fiber, which mainly monitors the road surface temperature based on the distributed optical fiber of Raman temperature measurement. According to the road surface freezing point of 0°C, the road surface temperature value is used as the system control point. If the monitored temperature is lower than the freezing point, the heating device 400 is automatically turned on 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 to one end of the temperature measuring optical fiber 100, and the signal output end of the DTS host 200 is connected to the control end 300 through the GPIB interface 210. Here, the temperature measuring optical fiber 100 adopts a multimode optical fiber, and the arrangement should be consistent with the direction of the road surface, and there should be no redundancy. 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 splicer.

[0044] It should also 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 road surface temperature by detecting the surrounding temperature. In the embodiment of the present application, bridges are provided on both sides of the upper layer 90 of the road surface, and the temperature measuring optical fiber 100 is laid on the bridges. The bridges not only facilitate the installation of the temperature measuring optical fiber 100, but also protect the temperature measuring optical fiber 100.

[0045] In the embodiment of the present application, the temperature measuring optical fiber 100 is 30 cm away from the surface of the road surface. 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 frame and is not directly attached to the road surface, there is a slight deviation between the road surface temperature and the detection temperature, so the set freezing temperature threshold should be slightly higher than 0°C. The specific installation positions of the temperature measuring optical fiber 100 and the heating device 400 will be described below.

[0046] In the embodiment of the present application, a heater and a temperature sensor are provided inside the water storage device 500. The water storage device 500 is connected to the water inlet 4211 of the temperature raising device 400 through a first pipeline, and the water storage device 500 is connected to the water outlet 4212 of the temperature raising device 400 through a second pipeline; at least one of the first pipeline and the second pipeline is provided with a start valve and a pump body. The heater is used to heat the thermal conductive water in the water storage device 500, and the temperature sensor is used to detect the water temperature of the thermal conductive water in the water storage device 500, and send the detected water temperature to the control end 300, and the control end 300 is set with a water temperature threshold; when the control end 300 receives the temperature raising signal sent from the DTS host 200, and when the water temperature detected by the temperature sensor is greater than the water temperature threshold, the control end 300 controls the start valve and the pump body to open, so as to circulate the thermal conductive water into the chamber of the temperature raising device 400.

[0047] As described above, the thermal conductive water is used as the heating medium of the road surface, and the water is heated to a certain temperature through the water storage device 500. The heating 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. When the specified temperature is not reached, the water storage device 500 will not deliver the thermal conductive water.

[0048] In the embodiments of the present application, Figures 1 to 3 As shown, the heating 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. The base support 412 is provided with a plurality of recessed grooves 4121, and a plurality of connecting nodules 4122 are formed between the plurality of grooves 4121. The upper cover plate 420 includes a cover plate edge 421 and a cover plate support 422. The cover plate edge 421 is arranged along the outer edge of the cover plate support 422. A plurality of supporting columns 4221 are fixed to the bottom side of the cover plate support 422. The cover plate edge 421 is connected to the base edge 411 so that a chamber is formed between the cover plate edge 421 and the base edge 411. The plurality of supporting columns 4221 correspond to the plurality of connecting nodules 4122 one by one, and the supporting columns 4221 are connected to the corresponding connecting nodules 4122.

[0049] As an optimization, the base edge 411 and the base support 412 fit with the cover edge 421 and the cover support 422 to form a whole, and the multiple support columns 4221 correspond to the multiple connection nodes 4122 one by one, and the support columns 4221 are exactly connected to the corresponding connection nodes 4122. In this way, the support columns 4221 can not only increase the heat exchange area of ​​the heat conduction water, but also increase the stability of the overall structure of the heating device 400. The support columns 4221 increase 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 embodiments of the present application, Figure 4 As shown, the base support platform 412 of the present application is provided with a plurality of concave grooves 4121, which may be in the form of a hemisphere, and a plurality of connecting nodules 4122 are formed between the plurality of grooves 4121. Correspondingly, a plurality of supporting columns 4221 are fixed to the bottom side of the cover support platform 422, which may also be in the form of a hemisphere, and the hemispherical supporting columns 4221 are connected to the corresponding connecting nodules 4122.

[0051] Further, on this basis, the upper surface of the connecting node 4122 can be set to a spherical concave surface that matches the hemispherical support column, so that the lower spherical surface of the hemispherical support column is connected to the spherical concave surface of the connecting node. In this way, when the hemispherical support column 4221 is connected to the corresponding connecting node 4122, the contact area can be increased through the spherical surface matching, further improving the stability of the overall structure of the heating device 400.

[0052] In the embodiment of the present application, the upper cover plate 420 and the lower supporting base 410 may be connected in the following two ways.

[0053] Example 1: The base edge 411 and the cover edge 421 are both hollow structures, and the joint between the base edge 411 and the cover edge 421 is open, and the base edge 411 and the cover edge 421 are filled with concrete to ensure that the base edge 411 and the cover edge 421 are fixedly connected.

[0054] Example 2: The base edge 411 and the cover edge 421 are solid structures, and the base edge 411 and the cover edge 421 are welded.

[0055] Example 3: The base edge 411 and the cover edge 421 are solid structures, and the base edge 411 and the cover edge 421 are connected by bolts.

[0056] Example 4: The base edge 411 and the cover edge 421 are solid structures, and the base edge 411 and the cover edge 421 are clamped with each other.

[0057] In Example 3 and Example 4, the later maintenance of the temperature increasing device can be facilitated.

[0058] In addition, the water inlet 4211 and the water outlet 4212 are respectively provided at two ends of the temperature increasing device 400, and the water inlet 4211 and the water outlet 4212 are provided at the base edge 411 and / or the cover edge 421. Figure 1 As shown, the water inlet 4211 and the water outlet 4212 are respectively opened on the edge 421 of the cover plate and the edge 411 of the base.

[0059] Preferably, in the embodiment of the present application, the base edge 411, the base support 412, the cover edge 421, the cover support 422 and the support column 4221 are all made of iron-aluminum alloy. The bottom of the lower supporting base 410 is paved with a thermal insulation layer. If provided, the strength and thermal conductivity of the heating device 400 can be effectively improved.

[0060] Preferably, in the embodiment of the present application, the heating device 400 is consistent with the width of the road surface, and the road surface is heated in the entire range to achieve good disaster prevention and snow and ice melting effects.

[0061] In the embodiment of the present application, the DTS host 200 may further include a processing module. The processing module is provided with a freezing temperature threshold, and the processing module can compare the temperature value detected by the temperature measuring optical fiber 100 obtained by the DTS host 200 with the freezing temperature threshold, and when the temperature value of the temperature measuring optical fiber 100 reaches the freezing temperature threshold, the processing module sends a temperature increase signal to the control terminal 300.

[0062] As an example, the processing module may be a DTS host 200, and CSM software installed on the DTS host 200. The CSM software is set with an ice temperature threshold, and the ice temperature threshold can be set according to the temperature threshold when the road surface is frozen. When the temperature value of the temperature measuring optical fiber 100 reaches the ice temperature threshold (indicating that the surface temperature of a certain section of the road is lower than the ice temperature threshold of 0°C), the CSM software installed on the DTS host 200 is automatically triggered and outputs a temperature increase signal to the control terminal 300.

[0063] It should be noted here that CSM software itself is a prior art. CSM software is system monitoring software, suitable for temperature monitoring system, connected to DTS host for data acquisition, can record and analyze temperature data, and all required parameters can be monitored. In this application, CSM software mainly performs temperature data analysis and sets the freezing temperature threshold to realize the alarm function.

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

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

[0066] Step 2, arranging the temperature measuring optical fiber 100; installing bridge frames on both sides of the edge of the upper layer 90 of the road surface, and laying the temperature measuring optical fiber 100 in the bridge frames.

[0067] Step 3, the DTS host 200 that can set the freezing temperature threshold is connected to the control end 300, the temperature anomaly is monitored by the DTS host 200 and transmitted to the control end 300, and the control end 300 starts the heating device 400 after receiving the information.

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

[0069] Step 5, ice 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 limit, it outputs a heating signal to the control end 300, and the control end 300 controls the water storage device 500 to circulate hot water into the chamber of the heating device 400 according to the heating signal.

[0070] Step 6, heating treatment; the thermal conductive water enters the heating device 400 through the water inlet 4211, flows through the chamber of the heating device 400 and flows out from the water outlet 4212, and the heat it carries is used to heat the road surface. The thermal conductive water after flowing out flows into the water storage device 500 through the pipeline, and then flows out after being heated, and the cycle is repeated until the road surface temperature detected by the temperature measuring optical fiber 100 is higher than the freezing temperature limit set by the system.

[0071] Step 7, the system goes into hibernation; after the heating process, the road surface temperature rises, and when the DTS host 200 detects that the temperature of the temperature measuring optical fiber 100 is higher than the freezing temperature limit set by the system, the control end 300 withdraws the command and stops injecting thermal water.

[0072] The heating process is completed.

[0073] In daily operation, the snow-melting and ice-melting system is in standby mode, and the temperature measuring optical fiber 100 monitors the road surface temperature in real time. If the road surface temperature is lower than the freezing temperature threshold, the system starts to operate. The system operation process is as described in steps 5 to 7 above, and the process is repeated until the road surface temperature rises. In winter, due to the influence of wind, snow and low temperature, the road surface is frozen, which endangers driving safety. This application can effectively solve the above problems. This system does not require manual operation and can operate for a long time.

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

[0075] Step 1, construction of road subbase 10: paving lime stabilized soil subbase, cement concrete subbase, etc. on the completed roadbed or cushion layer, the purpose is to prevent mud and ice, reduce the compressive stress on the top surface of the roadbed, and ease the impact of uneven deformation of the roadbed on the surface layer.

[0076] Step 2, construction of the road base 20; preparation of the underlying layer, the surface of the underlying layer must be flat and solid, with the specified road crown, without any loose materials and weak places, construction layout, restoration of the center line on the underlying layer, leveling measurement, spreading the mixture and compacting.

[0077] Step 3, construction of the pavement penetration layer 30; before pouring the penetration layer, clean the completed pavement base 20, and remove all loose materials, waste and other unsuitable materials on the pavement base 20. If the surface of the pavement base 20 is too dry, sprinkle a small amount of water on the surface of the pavement base 20, and pour the penetration layer of asphalt 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 asphalt of the permeable layer 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 with an asphalt spreader, and a stable speed and spraying amount are maintained during the spraying. The asphalt spreader should spray evenly within the entire spreading width.

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

[0080] Step 6, construction of the first pavement adhesive layer 61: Before pouring the first pavement adhesive layer 61, the asphalt surface layer is inspected, and the surface should be flat, rough, dry and tidy. The purpose is to bond each surface layer.

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

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

[0083] Step 9, construction of the heating device 400; a certain number of lower supporting bases 410 and upper cover plates 420 are prefabricated in the factory, with the width consistent with the road surface. During construction, they are hoisted by a crane to ensure that the lower supporting base 410 falls flat on the road surface and is spliced ​​into a whole. Concrete is poured in the hollow layer of the lower supporting base 410. After reaching the required strength, it is packaged with the upper cover plate 420. A water inlet 4211 and a water outlet 4212 are reserved on the upper cover plate 420, and pipes are pre-buried in advance to connect with the heating device 400.

[0084] Step 10, construction of the second pavement adhesive layer 62: Before pouring the second pavement adhesive layer 62, the asphalt surface layer is inspected, and the surface should be flat, rough, dry and tidy. The purpose is to bond each surface layer.

[0085] Step 11, construction of the upper pavement layer 90; the upper pavement layer 90 adopts a dense medium-grained or fine-grained asphalt mixture, which is uniformly spread by a paver to ensure the temperature requirements, and compacted by a roller.

[0086] Step 12, installation of the temperature measuring optical fiber 100: placing the temperature measuring optical fiber 100 in the bridge frame of the upper layer 90 of the road surface, and filling it with the material of the upper layer 90 of the road surface.

[0087] Finish;

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

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

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

[0091] Preferably, each lower supporting base 410 and upper cover plate 420 are welded and spliced ​​into a whole.

[0092] Preferably, the temperature measuring optical fiber 100 is buried at a certain depth from the ground surface through a bridge frame, and when the heating device 400 is not in use, the connector of the temperature measuring optical fiber 100 should be covered with a dustproof cover.

[0093] Preferably, a small bridge should be installed during construction of the side edge of the upper road surface layer 90, and the temperature measuring optical fiber 100 is laid therein to facilitate the protection and subsequent maintenance of the temperature measuring optical fiber 100.

[0094] As an optimization, this application is applicable to low-temperature conditions in winter, and can effectively heat up 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 surfaces of tunnels and viaducts, as well as runways and pedestrian bridges.

[0095] Finally, it should be noted that the above-described embodiments are only specific implementation methods of the present application, which are used to illustrate the technical solutions of the present application rather than to limit them. The protection scope of the present application is not limited thereto. Although the present application has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that any technician familiar with this technical field can still modify the technical solutions recorded in the aforementioned embodiments within the technical scope disclosed in the present application, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be covered by the protection scope of the present application.

Claims

1. A snow-melting and ice-melting system, characterized in that: The de-icing and snow-melting 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 upper layer of the road surface and is located on both sides of the upper layer of the road surface to perform real-time detection of the road surface temperature on the path; The heating device is arranged between the road surface and the road surface insulation layer, a chamber is arranged inside the heating device, and the heating device comprises a water inlet and a water outlet communicated with the chamber; The water storage device stores thermal water, and the water storage device is connected to the water inlet and the water outlet; The signal input end of the DTS host is connected to the temperature measuring optical fiber, and the signal output end of the DTS host is connected to 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 boundary, the DTS host sends a heating signal to the control end, and the control end controls the water storage device to circulate hot water into the chamber of the heating device according to the heating signal.

2. The snow and ice melting system according to claim 1, characterized in that: The temperature raising device comprises an upper cover plate and a lower supporting base; The lower supporting base includes a base edge and a base support platform, the base edge is arranged along the outer edge of the base support platform, the base support platform is provided with a plurality of concave grooves, and a plurality of connecting nodes are formed between the plurality of grooves; The upper cover plate includes a cover plate edge and a cover plate support platform, the cover plate edge is arranged along the outer edge of the cover plate support platform, and a plurality of support columns are arranged on the bottom side of the cover plate support platform; The edge of the cover plate is connected to the edge of the base, so that the chamber is formed between the edge of the cover plate and the edge of the base; the plurality of support columns correspond to the plurality of connecting nodes one by one, and the support columns are connected to the corresponding connecting nodes.

3. The snow and ice melting system according to claim 2, characterized in that: The base edge, the base support, the cover edge, the cover support and the support column are all made of iron-aluminum alloy; The bottom of the lower supporting base is paved with a heat-insulating layer.

4. The snow-melting and ice-melting system according to claim 2, characterized in that: The base edge and the cover edge are both hollow structures, and the joint between the base edge and the cover edge is open, and the base edge and the cover edge are both filled with concrete so that the base edge and the cover edge are fixedly connected; Or, the base edge and the cover plate edge are solid structures, and the base edge and the cover plate edge are welded; The water inlet and the water outlet are respectively arranged at two ends of the temperature increasing device, and the water inlet and the water outlet are arranged at the edge of the base and / or the edge of the cover plate.

5. The snow-melting and ice-melting system according to claim 2, characterized in that: A heater and a temperature sensor are arranged inside the water storage device; 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; a start valve is provided on at least one of the first pipeline and the second pipeline; The heater is used to heat the thermal conductive water in the water storage device, and the temperature sensor is used to detect the water temperature of the thermal conductive water in the water storage device and send the detected water temperature to the control end, and the control end is set with a water temperature threshold; When the control end receives a heating signal sent from the DTS host and when the water temperature detected by the temperature sensor is greater than the water temperature threshold, the control end controls the start valve to open so as to circulate hot water into the chamber of the heating device.

6. The snow and ice melting system according to claim 2, characterized in that: The snow-melting and ice-melting system also includes a bridge frame; The bridge frames are arranged on both sides of the upper layer of the road surface, and the temperature measuring optical fiber is laid on the bridge frames.

7. The snow-melting and ice-melting system according to claim 6, characterized in that: The temperature measuring optical fiber is 30 cm away from the surface of the road surface.

8. The snow-melting and ice-melting system according to any one of claims 2 to 7, characterized in that: The DTS host includes a processing module; The processing module is provided with the freezing temperature boundary value, and the processing module can compare the temperature value detected by the temperature measuring optical fiber obtained by the DTS host with the freezing temperature boundary value. When the temperature value of the temperature measuring optical fiber reaches the freezing temperature boundary value, the processing module sends a heating signal to the control end.

9. The snow-melting and ice-melting system according to any one of claims 2 to 7, characterized in that: The snow-melting and ice-melting system is applied to the road surface of a tunnel or an elevated bridge.

10. A construction method for a snow-melting and ice-melting system according to any one of claims 2 to 9, characterized in that: The construction method comprises: Construction of the road subbase; construction of the road base; construction of the road penetration layer; construction of the road bottom seal layer; construction of the road bottom layer; construction of the first road tack layer; construction of the road middle surface layer; Construction of road insulation layer: laying insulation board on the top of the middle surface layer of the road surface, covering the surface of the insulation board with film, pouring concrete soil to form a whole; The heating device is constructed by laying the lower supporting base on the road insulation layer, and then sealing it with the upper cover plate, and then reserving the water inlet and the water outlet on the upper cover plate, and pre-buried pipes are connected to the water inlet and the water outlet; Construction of the second pavement tack coat; The upper layer of the road surface is constructed by placing the temperature measuring optical fibers on both sides of the upper layer of the road surface and filling them with the upper layer materials.

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