阅读说明：本技术 一种铺砖人行道电热融冰结构及其施工方法 (Electric heating ice melting structure for brick paving sidewalk and construction method thereof ) 是由 肖衡林 姚晋文 陈智 马强 于 2019-03-14 设计创作，主要内容包括：本发明提供一种铺砖人行道电热融冰结构及其施工方法。整个结构由铺砖式人行道结构和电热融冰系统组成,电热融冰系统由碳纤维发热电缆、电缆夹持架、电源、控制开关、控制器、温度传感器、冰雪探测传感器、漏电保护装置组成,碳纤维发热电缆通过一定数量的电缆夹持架固定于人行道地砖砖缝中,在通电条件下,可持续产生融化人行道上覆冰雪的热量,起融化冰雪的作用。控制器包括温度传感器、冰雪探测传感器,能够根据路面温度和冰雪赋存情况,自动控制系统的开关。本发明的施工方法主要包括路基施工、地砖铺设、电缆安装、系统安装四个步骤。本发明具有融冰效率高、系统可靠度高、能源消耗低等优点,是一种新型的人行道绿色融冰手段。(The invention provides an electric heating ice melting structure for a brick paving sidewalk and a construction method thereof. The whole structure comprises a brick paving type sidewalk structure and an electric heating ice melting system, wherein the electric heating ice melting system comprises carbon fiber heating cables, cable clamping frames, a power supply, a control switch, a controller, a temperature sensor, an ice and snow detection sensor and an electric leakage protection device, the carbon fiber heating cables are fixed in brick seams of sidewalks and floor tiles through a certain number of cable clamping frames, and under the power-on condition, heat for melting ice and snow on sidewalks can be continuously generated, so that the ice and snow melting effect is achieved. The controller comprises a temperature sensor and an ice and snow detection sensor, and can automatically control the on-off of the system according to the road surface temperature and the ice and snow occurrence condition. The construction method mainly comprises four steps of roadbed construction, floor tile laying, cable installation and system installation. The invention has the advantages of high ice melting efficiency, high system reliability, low energy consumption and the like, and is a novel pavement green ice melting means.)

1. The utility model provides a tile pavement electric heat ice-melt structure which characterized in that: the whole structure consists of a brick paving type sidewalk structure and an electric heating ice melting system, wherein the electric heating ice melting system is arranged in the brick paving type sidewalk structure and plays a role in melting ice and snow covered above the brick paving type sidewalk structure;

the brick paving sidewalk structure consists of sidewalk floor tiles (1), mortar joints (2) among the tiles, a sidewalk cushion layer (3), a sidewalk base layer (4) and a foundation (5); the foundation (5) is a bearing layer of the lowest layer and plays a role in supporting the foundation, the sidewalk base layer (4) and the sidewalk cushion layer (3) are sequentially arranged on the foundation (5), and the sidewalk base layer (4) and the sidewalk cushion layer (3) are road structure layers with certain thickness and rigidity and play a role in supporting sidewalk traffic load; the sidewalk floor tiles (1) are of a sidewalk surface layer masonry structure with a certain thickness and generally adopt a rectangular form, a plurality of sidewalk floor tiles (1) adopt a certain plane assembly form and can completely cover a sidewalk pavement to form a pavement structure for pedestrians to walk, gaps among the sidewalk floor tiles (1) adopt cement mortar and the like to form inter-tile mortar joints (2) so as to prevent rainwater and the like from permeating into a sidewalk cushion layer (3), a sidewalk base layer (4) and a foundation (5) below the sidewalk floor tiles (1);

the sidewalk floor tile (1) is a water permeable tile, and under the heating of the electric heating ice melting system, heat generated by the carbon fiber heating cable (6) can be transferred to the ice and snow covered above the water permeable tile and is melted, so that the ice removing effect is achieved;

the electric heating ice melting system is composed of a carbon fiber heating cable (6), a cable clamping frame (7), a power supply (8), a control switch (9), a controller (10), a temperature sensor (11), an ice and snow detection sensor (12) and an electric leakage protection device (13); the carbon fiber heating cable (6) can continuously generate heat for melting ice and snow on the pavement under the power-on condition, the carbon fiber heating cable (6) is clamped and fixed at the middle position of brick joints of the pavement floor tiles (1) through a certain number of cable clamping frames (7) and is continuously arranged in a U shape, and the carbon fiber heating cable (6) is bent downwards to the position below the pavement floor tiles (1) at the turning position so as to avoid collision with the pavement floor tiles (1); the cable clamping frame (7) is a T-shaped part made of silica gel, a notch is reserved at the lower part of the cable clamping frame and used for fixedly clamping the carbon fiber heating cable (6), the width of the cable clamping frame (7) is just the width of a brick joint of the sidewalk floor tile (1), and the cable clamping frame (7) can be used as an auxiliary brick joint limiting device when the sidewalk floor tile (1) is laid; the power supply (8) is a common municipal power supply alternating current power supply; the control switch (9) is a control device for controlling the on-off of the electric heating ice melting system circuit, and the on-off is determined by the controller (10); the controller (10) is a comprehensive control device comprising a temperature sensor (11) and an ice and snow detection sensor (12), the temperature sensor (11) is used for monitoring the temperature of the road surface, the ice and snow detection sensor (12) is used for monitoring the occurrence condition of ice and snow on the road surface, if the temperature of the road surface is monitored to be lower than 2 ℃ and the thickness of the ice and snow is monitored to be larger than 0 at the same time, the controller (10) starts an electric heating ice melting system, a power supply (8) is connected through a control switch (9), and a carbon fiber heating cable (6) starts to be electrified and heated to melt the ice and snow on the road; carbon fiber heating cable (6), control switch (9), earth leakage protection device (13) form the series circuit, earth leakage protection device (13) are the device of monitoring system electric leakage condition, and when the system sent the electric leakage, earth leakage protection device (13) automatic cutout series circuit played the effect of protection carbon fiber heating cable (6).

2. The electric heating ice melting structure for the tiled sidewalk according to claim 1, wherein the construction method comprises four steps:

the first step is as follows: and (3) roadbed construction: the construction of the sidewalk base layer (4) and the sidewalk cushion layer (3) is sequentially carried out on the foundation (5) meeting the design requirements of compactness, flatness and the like to reach the design elevation, so that the sidewalk base layer (4) and the sidewalk cushion layer (3) meet the design requirements of compactness, flatness and the like, and a thin cement mortar layer is laid on the sidewalk cushion layer (3);

the second step is that: paving floor tiles: paving the sidewalk floor tiles (1) according to design requirements, filling cement mortar between brick joints of the sidewalk floor tiles (1) to form inter-brick mortar joints (2), controlling the height of the inter-brick mortar joints (2) at the middle positions of the sidewalk floor tiles (1), reserving a space for placing the carbon fiber heating cables (6) and the cable clamping frame (7), and meanwhile paying attention to the U-shaped turning position of the carbon fiber heating cables (6) to not pave the sidewalk floor tiles (1);

the third step: cable installation: installing carbon fiber heating cables (6) and cable clamping frames (7) among brick joints of the sidewalk floor tile (1), controlling the carbon fiber heating cables (6) at the same horizontal height by using the cable clamping frames (7), installing the carbon fiber heating cables (6) at U-shaped turning positions below the sidewalk floor tile (1), supplementing and completing paving of the sidewalk floor tile (1) above the carbon fiber heating cables (6) after paving of the carbon fiber heating cables (6), then continuously filling cement mortar among the brick joints, and leveling the paved sidewalk floor tile (1);

the fourth step: system installation: the carbon fiber heating cable (6), the control switch (9) and the electric leakage protection device (13) are connected to form a series circuit, and the controller (10), the temperature sensor (11) and the ice and snow detection sensor (12) are installed to connect an external power supply (8) to complete the installation of the electric heating ice melting system of the whole brick paving sidewalk.

Technical Field

The invention belongs to the technical field of road engineering, and particularly relates to an electric heating ice melting structure of a brick paving sidewalk and a construction method thereof.

Background

Sidewalks are generally arranged on two sides of a municipal road, are basic facilities for people to walk, are in consideration of attractiveness and practicability, and are generally of brick paving structures in cities in China. The severe ice and snow accumulation on pavement surfaces can be caused by snow fall in winter in northern areas of China, and the traveling of people is seriously influenced. When the brick paving pedestrian road is covered by accumulated ice due to snowfall, the adhesion capability of the surface of the sidewalk is greatly reduced, the safety of traveling is extremely unfavorable, and according to statistics, 15-30% of traffic accidents in winter are related to the accumulated snow on the road surface. At present, the methods for treating the ice and snow accumulated on the sidewalk mainly comprise two methods: clean-up and thaw methods. The method for clearing away the accumulated ice and snow is to clear away the accumulated ice and snow in a manual or mechanical mode, the biggest defect of the method is that the accumulated snow cannot be continuously cleared away, and the method consumes great manpower and material resources when facing continuous snowfall; the melting method is generally divided into two forms, namely, the melting point of ice and snow is reduced by spraying industrial salt, the melting point of the ice and snow is melted by a chemical method, the melting method directly heats the ice and snow on the pavement of the sidewalk by a heating device to melt the ice and snow, the defects of the melting method are obvious, the chemical melting method is greatly influenced by weather, a large amount of salt solution can be generated, the melting method is not friendly to the environment, and the physical melting method needs to consume a large amount of energy at one time. None of the above methods is an environmentally friendly method for deicing a pavement. Therefore, it is necessary to provide an effective, labor-saving, time-saving and environment-friendly paving sidewalk structure and a construction method thereof to solve the deicing problem of the paving sidewalk.

Disclosure of Invention

The invention aims to solve the practical problem of accumulated snow and ice on the pavement of a sidewalk in winter, overcome the defects of the prior art and provide an electric heating ice melting structure of a brick paving sidewalk and a construction method thereof.

In order to achieve the above object, the present invention provides the following technical solutions:

an electric heating ice melting structure of a brick paving type sidewalk is composed of a brick paving type sidewalk structure and an electric heating ice melting system, wherein the electric heating ice melting system is installed in the brick paving type sidewalk structure and plays a role in melting ice and snow covered above the brick paving type sidewalk structure.

The brick paving sidewalk structure consists of sidewalk floor tiles 1, mortar joints 2 among the tiles, a sidewalk cushion layer 3, a sidewalk base layer 4 and a foundation 5; the foundation 5 is the bearing layer of the lowest layer and plays a role in supporting the foundation, the sidewalk base layer 4 and the sidewalk cushion layer 3 are sequentially arranged on the foundation 5, and the sidewalk base layer 4 and the sidewalk cushion layer 3 are road structure layers with certain thickness and rigidity and play a role in supporting sidewalk traffic load; the sidewalk ground tile 1 is of a sidewalk surface layer masonry structure with a certain thickness and generally adopts a rectangular form, a plurality of sidewalk ground tiles 1 are assembled in a certain plane, the sidewalk surface can be completely covered, a pavement structure for pedestrians to walk is formed, gaps among the sidewalk ground tiles 1 are formed by cement mortar and the like to form inter-tile mortar joints 2, and therefore rainwater and the like are prevented from permeating a sidewalk cushion layer 3, a sidewalk base layer 4 and a foundation 5 below the sidewalk ground tile 1.

The sidewalk floor tile 1 is a water permeable tile, and can transfer heat generated by the carbon fiber heating cable 6 to ice and snow covered above the water permeable tile under the heating of the electric heating ice melting system, so that the ice and snow are melted, and the ice removing effect is achieved.

The electric heating ice melting system consists of a carbon fiber heating cable 6, a cable clamping frame 7, a power supply 8, a control switch 9, a controller 10, a temperature sensor 11, an ice and snow detection sensor 12 and an electric leakage protection device 13; the carbon fiber heating cable 6 can continuously generate heat for melting ice and snow on the pavement under the power-on condition, the carbon fiber heating cable 6 is clamped and fixed at the middle position of brick joints of the pavement floor tiles 1 through a certain number of cable clamping frames 7 and is arranged in a continuous U shape, and the carbon fiber heating cable 6 is bent downwards to the lower part of the sidewalk floor tiles 1 at the turning position so as to avoid collision with the pavement floor tiles 1; the cable clamping frame 7 is a T-shaped part made of silica gel, a notch is reserved in the lower portion of the cable clamping frame and used for fixedly clamping the carbon fiber heating cable 6, the width of the cable clamping frame 7 is just the width of a brick joint of the sidewalk floor tile 1, and the cable clamping frame 7 can be used as a brick joint limiting auxiliary device when the sidewalk floor tile 1 is laid. The power supply 8 is a general municipal power supply alternating current power supply; the control switch 9 is a control device for controlling the on-off of the electric heating ice melting system circuit, and the on-off is determined by the controller 10; the controller 10 is a comprehensive control device comprising a temperature sensor 11 and an ice and snow detection sensor 12, the temperature sensor 11 is used for monitoring the temperature of the road surface, the ice and snow detection sensor 12 is used for monitoring the occurrence condition of ice and snow on the road surface, if the temperature of the road surface is monitored to be lower than 2 ℃ and the ice and snow thickness is monitored to be larger than 0 at the same time, the controller 10 starts an electric heating ice melting system, the electric heating ice melting system is communicated with a power supply 8 through a control switch 9, and the carbon fiber heating cable 6 starts to be electrified and heated to play; the carbon fiber heating cable 6, the control switch 9 and the leakage protection device 13 form a series circuit, the leakage protection device 13 is a device for monitoring the system leakage condition, and when the system sends leakage, the leakage protection device 13 automatically cuts off the series circuit to protect the carbon fiber heating cable 6.

The construction method of the electric heating ice melting structure of the brick paving sidewalk comprises the following four steps:

the first step is as follows: the construction of the sidewalk base layer 4 and the sidewalk cushion layer 3 is sequentially carried out on the foundation 5 which meets the design requirements of compactness, flatness and the like, the design elevation is achieved, the sidewalk base layer 4 and the sidewalk cushion layer 3 meet the design requirements of compactness, flatness and the like, and thin cement mortar is paved on the sidewalk cushion layer 3;

the second step is that: paving the sidewalk floor tile 1 according to design requirements, filling cement mortar in brick joints of the sidewalk floor tile 1 to form an inter-brick mortar joint 2, controlling the height of the inter-brick mortar joint 2 at the middle position of the sidewalk floor tile 1, reserving a space for placing the carbon fiber heating cable 6 and the cable clamping frame 7, and meanwhile paying attention to the U-shaped turning position of the carbon fiber heating cable 6 to not pave the sidewalk floor tile 1;

the third step: installing carbon fiber heating cables 6 and a cable clamping frame 7 between brick joints of the sidewalk floor tile 1, controlling the carbon fiber heating cables 6 at the same horizontal height by using the cable clamping frame 7, installing the carbon fiber heating cables 6 at U-shaped turning positions below the sidewalk floor tile 1, supplementing and completing pavement of the sidewalk floor tile 1 above the carbon fiber heating cables 6 after the pavement of the carbon fiber heating cables 6 is completed, and then continuously filling cement mortar into the brick joints to level the paved sidewalk floor tile 1;

the fourth step: the carbon fiber heating cable 6, the control switch 9 and the electric leakage protection device 13 are connected to form a series circuit, the electric leakage protection device is externally connected with the power supply 8, the controller 10, the temperature sensor 11 and the ice and snow detection sensor 12 are installed, and the whole paving brick sidewalk electric heating ice melting system is installed.

Compared with the prior art, the invention has the beneficial effects that:

1. the pavement bricks adopted by the invention are water permeable bricks, have good thermal conductivity, can efficiently transfer heat to ice and snow on the pavement, and also have good water permeability, and can form an ice water drainage channel in the ice melting process;

2. the cable clamping frame is made of the heat-conducting silica gel material, plays a role in protecting the carbon fiber heating cable, has certain heat conductivity, and improves the reliability of the whole system;

3. the control device adopted by the invention can automatically control the on-off of the system according to the road surface temperature and the ice and snow occurrence condition, is favorable for reducing energy consumption, and is a green ice melting means.

Drawings

FIG. 1 is a schematic view of an electrothermal ice melting structure of a brick paving sidewalk.

FIG. 2 is a top view of the electric heating ice melting structure of the brick paving sidewalk.

Fig. 3 is a schematic laying diagram of the carbon fiber heating cable 6 according to the present invention.

Fig. 4 is a plan view of the carbon fiber heating cable 6 according to the present invention.

Fig. 5 is a front view of the cable holder 7 holding the carbon fiber heating cable 6 according to the present invention.

Fig. 6 is a side view of the cable holder 7 of the present invention holding the carbon fiber heating cable 6.

Description of the reference numerals

The pavement comprises a pavement floor tile 1, an inter-tile mortar joint 2, a pavement cushion 3, a pavement base layer 4, a foundation 5, a carbon fiber heating cable 6, a cable clamping frame 7, a power supply 8, a control switch 9, a controller 10, a temperature sensor 11, an ice and snow detection sensor 12 and an electric leakage protection device 13.

Detailed Description

The technical scheme of the electric heating ice melting structure of the brick paving sidewalk and the construction method thereof provided by the invention is further explained by combining the specific embodiment and the attached drawings. The advantages and features of the present invention will become more apparent in conjunction with the following description. It should be noted that the embodiments of the present invention have better practicability, and are not intended to limit the present invention in any form. The drawings of the present invention are in simplified form and are not to scale, but rather are provided for the purpose of facilitating and clearly illustrating embodiments of the present invention and are not intended to limit the scope of the invention in which the invention may be practiced.

The invention provides an electric heating ice melting structure for a brick paving sidewalk and a construction method thereof.

As shown in fig. 1 to 6, the electric heating ice melting structure of the tiled sidewalk consists of a tiled sidewalk structure and an electric heating ice melting system, wherein the electric heating ice melting system is arranged in the tiled sidewalk structure.

The brick paving sidewalk structure consists of sidewalk floor tiles 1, mortar joints 2 among the tiles, a sidewalk cushion layer 3, a sidewalk base layer 4 and a foundation 5; the foundation 5 is the bearing layer of the lowest layer, the sidewalk base layer 4 and the sidewalk cushion layer 3 are sequentially arranged on the foundation 5, and the thicknesses of the sidewalk base layer 4 and the sidewalk cushion layer 3 are 50cm and 30cm respectively. The rectangular water permeable bricks with the thickness of 5cm of the pavement floor tiles 1 have the length of 20cm and the width of 10cm, the width of brick gaps among the pavement floor tiles 1 is 1cm, and cement mortar and the like are adopted to form mortar gaps 2 among the bricks.

The electric heating ice melting system consists of a carbon fiber heating cable 6, a cable clamping frame 7, a power supply 8, a control switch 9, a controller 10, a temperature sensor 11, an ice and snow detection sensor 12 and an electric leakage protection device 13; the diameter of the carbon fiber heating cable 6 is 6mm, the carbon fiber heating cable is clamped and fixed at the middle position of a brick joint of the sidewalk floor tile 1 through a certain number of cable clamping frames 7, the distance between the carbon fiber heating cable 6 and the top end of the sidewalk floor tile 1 is about 2-3 cm, the carbon fiber heating cable 6 is arranged in a continuous U shape, the distribution distance is 20cm, and the carbon fiber heating cable 6 is bent downwards to the position below the sidewalk floor tile 1 at a turning position;

the power supply 8 is a municipal power supply alternating current power supply; the control switch 9 is a control device for controlling the on-off of the electric heating ice melting system circuit, and the on-off is determined by the controller 10; the controller 10 is a comprehensive control device comprising a temperature sensor 11 and an ice and snow detection sensor 12, the temperature sensor 11 is used for monitoring the temperature of the road surface, the ice and snow detection sensor 12 is used for monitoring the occurrence condition of ice and snow on the road surface, and if the temperature of the road surface is monitored to be lower than 2 ℃ and the thickness of the ice and snow is monitored to be larger than 0, the controller 10 starts the electric heating ice melting system. The carbon fiber heating cable 6, the control switch 9 and the leakage protection device 13 form a series loop, and the leakage protection device 13 is a device for monitoring the system leakage condition.

The construction process of the electric heating ice melting structure of the brick paving sidewalk comprises the following steps:

the first step is as follows: the construction of a sidewalk base layer 4 and a sidewalk cushion layer 3 is sequentially carried out on a foundation 5 which meets design requirements such as compactness, flatness and the like, the thicknesses of the sidewalk base layer 4 and the sidewalk cushion layer 3 are respectively 50cm and 30cm, and a thin cement mortar layer is laid on the sidewalk cushion layer 3;

the second step is that: paving the sidewalk floor tile 1 according to design requirements, filling cement mortar in brick joints of the sidewalk floor tile 1 to form an inter-brick mortar joint 2, controlling the height of the inter-brick mortar joint 2 at the middle position of the sidewalk floor tile 1, reserving a space for placing the carbon fiber heating cable 6 and the cable clamping frame 7, and meanwhile paying attention to the U-shaped turning position of the carbon fiber heating cable 6 to not pave the sidewalk floor tile 1;

the third step: installing carbon fiber heating cables 6 and cable clamping frames 7 among brick joints of the sidewalk floor tile 1, controlling the carbon fiber heating cables 6 to be at the same horizontal height by using the cable clamping frames 7, arranging one cable clamping frame 7 along each 10cm of the cable, installing the carbon fiber heating cables 6 at turning positions below the sidewalk floor tile 1, completing paving of the carbon fiber heating cables 6, completing supplementary paving of the sidewalk floor tile 1 above the carbon fiber heating cables, then continuously filling cement mortar into the brick joints, and flattening the paved sidewalk floor tile 1;

the fourth step: the carbon fiber heating cable 6, the control switch 9 and the electric leakage protection device 13 are connected to form a series circuit, the electric leakage protection device is externally connected with the power supply 8, the controller 10, the temperature sensor 11 and the ice and snow detection sensor 12 are installed, and the whole paving brick sidewalk electric heating ice melting system is installed.

The above description is only illustrative of the preferred embodiments of the present invention and should not be taken as limiting the scope of the invention in any way. Any changes or modifications made by those skilled in the art based on the above disclosure should be considered as equivalent effective embodiments, and all the changes or modifications should fall within the protection scope of the technical solution of the present invention.