Road snow melting experiment system

Abstract

The utility model discloses a road snow melting experiment system and belongs to the technical field of road snow melting. The method is used for researching the influence rule of each factor on the snow melting effect in snow melting of the heat pump. The water tank is provided with an electric heating rod, the electric heating rod is connected with the distribution box, the distribution box supplies power to the electric heating rod, a water supply port of the water tank is communicated with the embedded pipe assemblies in the plurality of test piece boxes through a water supply pipeline and supplies water to the embedded pipe assemblies, and the plurality of test piece boxes are used for containing various concrete test pieces. And a water return port of the water tank is communicated with the embedded pipe assemblies in the plurality of test piece boxes through a water return pipeline. The heat pump snow melting experiment device is used for assisting in a heat pump snow melting experiment, the influence of the pipe burying depth and distance on snow melting can be measured, the water supply temperature can be accurately measured and controlled, and then the influence rule of all factors on the snow melting effect in the snow melting process is explored.

Description

Technical Field

[0001] The utility model belongs to the technical field of road snow melting, and in particular relates to a road snow melting experimental system. Background Art

[0002] Heat pump snow melting technology is a technology that uses a heat pump system to melt snow on the road. This technology combines the working principle of a soil source heat pump, buries a heat pipe under the road surface, uses a heat pump to extract heat energy from the soil underground, and transports this heat energy to the road surface to melt the snow.

[0003] However, due to the limitation of research equipment, it is impossible to simulate the influence of various factors on the snow melting effect of heat pump snow melting. Utility Model Content

[0004] In order to solve the above problems, the utility model further provides a road snow melting experimental system for studying the influence of various factors on the snow melting effect in heat pump snow melting.

[0005] The technical solution adopted by the utility model is:

[0006] A road snow melting test system comprises an electric heating rod, a water tank, a water supply pipe, a return pipe, a distribution box, a plurality of test boxes and a plurality of buried pipe assemblies; the water tank is provided with an electric heating rod, the electric heating rod is connected to the distribution box, and the distribution box supplies power to the electric heating rod; the water supply port of the water tank is connected to the buried pipe assemblies in the plurality of test boxes through the water supply pipe, and supplies water to the buried pipe assemblies; the plurality of test boxes are used to hold a plurality of concrete test pieces; the return water port of the water tank is connected to the buried pipe assemblies in the plurality of test boxes through the return water pipe.

[0007] Compared with the prior art, the utility model has the following beneficial effects:

[0008] The utility model is used to assist in heat pump snow melting experiments, can study the influence of buried pipe depth and spacing on snow melting, and can accurately measure the control water supply temperature, and further explore the influence of various factors on the snow melting effect during the snow melting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the structure of the utility model;

[0010] Figure 2 This is a schematic diagram of the structure of the internal buried pipe assembly of the utility model;

[0011] Figure 3 This is a schematic diagram of the telescopic tube of the utility model in a contracted state;

[0012] Figure 4 This is a schematic diagram of the telescopic tube of the utility model in an extended state;

[0013] Among them: 1. Electric heating rod; 2. Water tank; 3. Switch valve; 4. Pressure gauge; 5. External circulation pump; 6. Water supply pipe; 7. Test box; 8. Internal buried pipe assembly; 801. Water supply branch pipe; 802. Return branch pipe; 803. Telescopic pipe C; 804. L-type adapter A; 805. Telescopic pipe B; 806. Telescopic pipe A; 807. L-type adapter B; 808. External water pipe; 809. Internal water pipe; 810. Screws; 851. Pipe universal joint; 852. Telescopic pipe D; 9. Return pipe; 10. Internal circulation pump; 11. Circulation pipeline. DETAILED DESCRIPTION

[0014] In order to better understand the purpose, structure and function of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings.

[0015] like Figure 1 to Figure 4 As shown, the utility model provides a road snow melting test system, including an electric heating rod 1, a water tank 2, a water supply pipe 6, a return pipe 9, a distribution box, a plurality of test boxes 7 and a plurality of buried pipe assemblies 8; the water tank 2 is installed with the electric heating rod 1, the electric heating rod 1 is connected to the distribution box, and the distribution box supplies power to the electric heating rod 1, the water supply port of the water tank 2 is connected with the buried pipe assemblies 8 in the plurality of test boxes 7 through the water supply pipe 6, and supplies water to the buried pipe assemblies 8, the plurality of test boxes 7 are used to hold a variety of concrete test pieces, and the return port of the water tank 2 is connected with the buried pipe assemblies 8 in the plurality of test boxes 7 through the return pipe 9.

[0016] like Figure 1 As shown, an external circulation pump 5 is installed on the water supply pipeline 6 as a water supply power, and a switch valve 3 and a pressure gauge 4 are also installed on the water supply pipeline 6.

[0017] like Figure 1 As shown, the water tank 2 is connected to the internal circulation pump 10 through the circulation pipeline 11.

[0018] like Figure 2 As shown, each of the embedded pipe assemblies 8 includes a water supply branch pipe 801, a return water branch pipe 802, a telescopic pipe A806, two telescopic pipes B805, two telescopic pipes C803, two L-shaped adapters B807 and multiple L-shaped adapters A804; the telescopic pipe A806, the two telescopic pipes B805 and the two telescopic pipes C803 are arranged in a rectangular structure with a notch and are connected through the L-shaped adapter A804, the two telescopic pipes C803 are arranged parallel to the telescopic pipe A806, the two telescopic pipes B805 are arranged vertically to the telescopic pipe A806, the two telescopic pipes C803 are respectively connected to the lower ends of the water supply branch pipe 801 and the return water branch pipe 802 through two L-shaped adapters B807, and the upper ends of the water supply branch pipe 801 and the return water branch pipe 802 are respectively connected to the water supply pipe 6 and the return water pipe 9.

[0019] like Figure 2 As shown, each of the telescopic tubes B805 includes a pipe universal joint 851 and two telescopic tubes D852; one ends of the two telescopic tubes D852 are connected through the pipe universal joint 851, and the other ends of the two telescopic tubes D852 are respectively connected to the corresponding L-shaped adapters A804.

[0020] like Figure 3 , Figure 4 As shown, the telescopic tube A806, telescopic tube C803 and telescopic tube D852 have the same structure, and all include an inner water tube 809 and two outer water tubes 808. Both ends of the inner water tube 809 are slidably inserted into the two outer water tubes 808 to form a telescopic structure. Adjacent ends of the two outer water tubes 808 are provided with threaded holes for installing screws 810. The two outer water tubes 808 are tightened and fixed to the inner water tube 809 by the screws 810.

[0021] like Figure 1 As shown, a temperature sensor is installed on each of the water supply branch pipe 801 and the water return branch pipe 802 to measure the water supply temperature and the water return temperature respectively.

[0022] like Figure 1 As shown, a heat-insulating layer is provided on the outside of the water tank 2.

[0023] There is ethylene glycol solution in the water tank 2. During the test, the ethylene glycol solution is heated and then sent to the concrete specimens in each specimen box 7 through the external circulation pump 5, and the purpose of melting snow is achieved through heat conduction. The water supply temperature of the circulating solution is recorded, and the return water temperature is measured after flowing through each concrete specimen. The return water is sent back to the water tank 2 through the return water pipe 9 for heating. The water tank 2 has an internal circulation pump 10 to assist in internal circulation.

[0024] The concrete specimens in the specimen box 7 are made of concrete with strength grade C40 poured in a wooden frame and solidified. The specimen box 7 is a unit block with a length of 550mm, a width of 400mm, and a thickness of 150mm. The four sides are insulated with polyurethane insulation boards. The buried pipe laying method is to pour a layer of concrete, lay the buried pipe after solidification and fix it, and then pour concrete again. The buried pipe also uses PE-RT floor heating pipe with an inner diameter of 12mm and an outer diameter of 16mm.

[0025] The telescopic tube A806 and telescopic tube C803 of the inner buried tube assembly 8 can be extended and retracted to adjust the length between the two telescopic tubes B805, which is used to study the effect of the buried tube spacing on the snow melting of the concrete specimen.

[0026] The vertical height of the telescopic pipe A806 can be adjusted by the pipe universal joint 851 to study the effect of the buried pipe depth on the snow melting of the concrete specimen.

[0027] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A road snow melting experimental system, characterized in that: The invention comprises an electric heating rod (1), a water tank (2), a water supply pipe (6), a return pipe (9), a distribution box, a plurality of test specimen boxes (7) and a plurality of embedded pipe assemblies (8); the water tank (2) is provided with an electric heating rod (1), the electric heating rod (1) is connected to the distribution box, and the distribution box supplies power to the electric heating rod (1); the water supply port of the water tank (2) is connected to the embedded pipe assemblies (8) in the plurality of test specimen boxes (7) through the water supply pipe (6), and supplies water to the embedded pipe assemblies (8); the plurality of test specimen boxes (7) are used to hold a plurality of concrete test specimens; the return pipe port of the water tank (2) is connected to the embedded pipe assemblies (8) in the plurality of test specimen boxes (7) through the return pipe (9).

2. A road snow melting experimental system according to claim 1, characterized in that: The water supply pipeline (6) is equipped with an external circulation pump (5) as a water supply power, and the water supply pipeline (6) is also equipped with a switch valve (3) and a pressure gauge (4).

3. A road snow melting experimental system according to claim 2, characterized in that: The water tank (2) is connected to the internal circulation pump (10) via a circulation pipeline (11).

4. A road snow melting experimental system according to claim 1, characterized in that: Each of the embedded pipe assemblies (8) comprises a water supply branch pipe (801), a water return branch pipe (802), a telescopic pipe A (806), two telescopic pipes B (805), two telescopic pipes C (803), two L-shaped adapters B (807) and a plurality of L-shaped adapters A (804); the telescopic pipe A (806), the two telescopic pipes B (805) and the two telescopic pipes C (803) are arranged into a rectangular structure with a notch and connected through the L-shaped adapters A (8 04), two telescopic pipes C (803) are arranged in parallel with the telescopic pipe A (806), and two telescopic pipes B (805) are arranged perpendicular to the telescopic pipe A (806). The two telescopic pipes C (803) are respectively connected to the lower ends of the water supply branch pipe (801) and the return branch pipe (802) through two L-shaped adapters B (807), and the upper ends of the water supply branch pipe (801) and the return branch pipe (802) are respectively connected to the water supply pipe (6) and the return pipe (9).

5. A road snow melting experimental system according to claim 4, characterized in that: Each of the telescopic tubes B (805) comprises a pipe universal joint (851) and two telescopic tubes D (852); one ends of the two telescopic tubes D (852) are connected via the pipe universal joint (851), and the other ends of the two telescopic tubes D (852) are respectively connected to the corresponding L-shaped adapters A (804).

6. A road snow melting experimental system according to claim 5, characterized in that: The telescopic tube A (806), telescopic tube C (803) and telescopic tube D (852) have the same structure, and all include an inner water tube (809) and two outer water tubes (808). The two ends of the inner water tube (809) are respectively slidably inserted into the two outer water tubes (808) to form a telescopic structure. The adjacent ends of the two outer water tubes (808) are provided with threaded holes for installing screws (810). The two outer water tubes (808) are tightened and fixed to the inner water tube (809) by the screws (810).

7. A road snow melting experimental system according to claim 4, characterized in that: A temperature sensor is installed on each of the water supply branch pipe (801) and the water return branch pipe (802) to measure the water supply temperature and the water return temperature respectively.

8. A road snow melting experimental system according to claim 1, characterized in that: The outer side of the water tank (2) is provided with a heat-insulating layer.

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