Bridge structure maintenance system based on clean energy

Abstract

The utility model provides a bridge structure maintenance system based on clean energy, which relates to the field of concrete structure engineering and energy utilization, is used for balancing the temperature difference between the inside and outside and between the sunny side and the sunny side of a bridge structure, and sequentially comprises a pile foundation, a bearing platform, a pier, a box girder and a roadbed from bottom to top, the maintenance system comprises a heat removal mechanism, a heat dissipation mechanism and a loop mechanism in the flowing direction of a circulating medium, the heat removal mechanism heats the circulating medium in a heat exchange pipeline through terrestrial heat in a pile foundation area, and the heated circulating medium is introduced into a heat dissipation pipeline in a roadbed through a water feeding assembly; therefore, geothermal energy is uniformly released to the upper structure of the bridge, the temperature difference between the inside and outside of the bridge structure and the yin-yang surface is balanced, concrete cracking and pavement icing of the bridge structure are effectively prevented, and the use value is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete structure engineering and energy utilization field especially, a kind of bridge structure maintenance system based on clean energy. BACKGROUND

[0002] Natural environment is complex and changeable in Qinghai-Tibet Plateau region, with strong ultraviolet, high wind speed and large temperature difference, etc., and the proportion of days with large temperature difference between positive and negative air temperature in a year is relatively large. Under the action of frequent and strong temperature change, large temperature difference is easily formed in the internal and external and sun side and shade side of mass concrete structure represented by concrete pier or bridge tower in the region, and the size of thermal expansion and contraction deformation is inconsistent, which leads to concrete structure cracking and peeling diseases, and low temperature causes serious road icing, which seriously affects the normal operation of traffic, so how to solve the above problems has become a problem to be solved by the technical personnel in the field. SUMMARY

[0003] The utility model solves the technical problems that the prior art exists, provide a kind of bridge structure maintenance system based on clean energy, the heat extraction mechanism of the patent utilizes the geothermal heating of pile foundation area in the circulating medium in heat exchange pipeline, and the circulating medium is passed into the heat dissipation pipeline in roadbed by the water inlet assembly, and then the geothermal energy is evenly released to the bridge superstructure, the temperature difference of the internal and external and sun side and shade side of bridge structure is balanced, and the concrete cracking of bridge structure and road icing are effectively prevented.

[0004] The utility model is realized by the following technical schemes:

[0005] A kind of bridge structure maintenance system based on clean energy, for balancing the temperature difference of the internal and external and sun side and shade side of bridge structure, bridge structure includes pile foundation, bearing platform, pier, box girder and roadbed from bottom to top in sequence, and maintenance system includes heat extraction mechanism, heat dissipation mechanism and loop mechanism along the flow direction of circulating medium, wherein:

[0006] Heat extraction mechanism includes multiple groups of heat exchange pipelines arranged in pile foundation, and the circulating medium in heat exchange pipeline is heated by the geothermal of pile foundation area;

[0007] Heat dissipation mechanism is connected with heat extraction mechanism by water inlet assembly, and water inlet assembly includes multiple groups of main body and is arranged in the water inlet pipeline of pier, and the water outlet of multiple groups of heat exchange pipelines is connected with the lower end water inlet of water inlet pipeline in parallel, and the upper end water outlet of water inlet pipeline is connected with the water inlet of heat dissipation mechanism;

[0008] Heat dissipation mechanism includes heat dissipation pipeline arranged in roadbed, and the water inlet of heat dissipation pipeline is connected with the upper end water outlet of water inlet pipeline;

[0009] The loop mechanism comprises a circulating water pump and a return pipeline, the upper end water inlet of the return pipeline is connected with the water outlet of the heat dissipation pipeline, the lower end water outlet of the return pipeline is connected with the water inlet of the circulating water pump, and the water outlet of the circulating water pump is connected with the upper end water inlet of the heat exchange pipeline through a water distribution pipe.

[0010] It can be seen that, in the above technical solution, the heat extraction mechanism of the patent uses the geothermal heat in the pile foundation area to heat the circulating medium in the heat exchange pipeline, the heated circulating medium is introduced into the heat dissipation pipeline in the subgrade through the upper water assembly, and then the geothermal energy is uniformly released to the upper structure of the bridge, the temperature difference between the inside and outside of the bridge structure and the temperature difference between the yin and yang surfaces are balanced, and the concrete cracking of the bridge structure and the road surface icing are effectively prevented.

[0011] According to the above technical solution, preferably, the heat exchange pipeline is a spiral pipeline arranged vertically.

[0012] It can be seen that, in the above technical solution, the spiral pipeline can effectively prolong the flow length of the circulating medium, and then more fully absorb and utilize the geothermal energy.

[0013] According to the above technical solution, preferably, the heat exchange pipeline is arranged inside the pile foundation reinforcement cage.

[0014] According to the above technical solution, preferably, the heat dissipation pipeline is a U-shaped pipeline buried in the subgrade.

[0015] It can be seen that, in the above technical solution, the U-shaped pipeline can effectively prolong the flow length of the circulating medium, and then more fully absorb and utilize the geothermal energy, and improve the heat dissipation efficiency.

[0016] According to the above technical solution, preferably, the loop mechanism further comprises an energy supply assembly electrically connected with the circulating water pump, the energy supply assembly comprises a wind power generation unit and a solar power generation unit, and the wind power generation unit and the solar power generation unit are fixedly connected to the side edge of the box girder through flanges.

[0017] It can be seen that, in the above technical solution, the wind power generation unit and the solar power generation unit are used as complementary power generation devices to supply power to the circulating water pump, the energy sources for driving the system to operate are all clean energy, and the system has the characteristics of high economic benefit and green environmental protection.

[0018] According to the above technical solution, preferably, the loop mechanism further comprises a storage battery, the input end of the storage battery is electrically connected with the wind power generation unit and the solar power generation unit, and the output end of the storage battery is electrically connected with the circulating water pump.

[0019] It can be seen that, in the above technical solution, the storage battery can provide working power when the energy supply assembly cannot supply enough power, and is used for the working of the circulating water pump.

[0020] According to the above technical solution, preferably, the circulating water pump and the storage battery are fixedly arranged on the bearing platform.

[0021] According to the above technical solution, preferably, the return pipeline is wrapped with an insulation layer.

[0022] It can be seen that in the above technical solution, the insulation layer can reduce the heat loss of the return pipeline.

[0023] According to the above technical solution, preferably, the water supply pipe is connected to the heat dissipation pipe of the heat dissipation mechanism from the gap between the two spans of the bridge.

[0024] As can be seen, in the above technical solution, the water supply pipeline is connected to the heat dissipation pipeline of the heat dissipation mechanism from the gap between the two spans of the bridge, thereby avoiding damage to the bridge structure.

[0025] The beneficial effects of this utility model are:

[0026] (1) The heat extraction mechanism of this patent utilizes the geothermal heating of the heat exchange pipeline in the pile foundation area to heat the circulating medium. The heated circulating medium is introduced into the heat dissipation pipeline in the roadbed through the water supply component, thereby uniformly releasing geothermal energy to the upper structure of the bridge, balancing the temperature difference between the inside and outside of the bridge structure and the sun and yin sides, and effectively preventing the concrete of the bridge structure from cracking and the road surface from freezing.

[0027] (2) The wind power generation unit and the solar power generation unit are complementary power generation devices that supply power to the circulating water pump. The energy used to drive the system is clean energy, which has the characteristics of high economic benefits and green environmental protection. Attached Figure Description

[0028] Figure 1 A schematic diagram of the bridge structure is shown;

[0029] Figure 2 A schematic diagram of the isometric structure of this invention applied to a bridge structure is shown;

[0030] Figure 3 A schematic diagram of the detailed isometric structure of this utility model applied to a bridge structure is shown;

[0031] Figure 4 A schematic diagram of the application of this utility model to the upper equiaxed side structure of a bridge structure is shown;

[0032] Figure 5 A schematic diagram of the equiaxed side structure of this utility model is shown;

[0033] Figure 6 It shows Figure 5 A detailed structural diagram of part A in the middle;

[0034] Figure 7 A schematic diagram of the pipeline structure located at the foundation of this utility model is shown;

[0035] Figure 8The equal-axis side structure schematic diagram of the energy supply assembly in the utility model is shown.

[0036] Mark explanation:

[0037] 1, pile foundation; 2, bearing platform; 3, pier; 4, box girder; 5, subgrade; 6, heat extraction mechanism; 7, heat dissipation mechanism; 8, loop mechanism; 9, heat exchange pipeline; 10, upper water pipeline; 11, heat dissipation pipeline; 12, circulating water pump; 13, return pipeline; 14, energy supply assembly; 15, wind power generation unit; 16, solar power generation unit; 17, water distribution pipe. DETAILED DESCRIPTION

[0038] In order to make the person skilled in the art better understand the technical scheme of the utility model, the utility model will be further described in detail below in combination with the drawings and the best embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0039] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0040] As shown in the figure, the utility model provides a kind of bridge structure maintenance system based on clean energy, for balancing the temperature difference of inside and outside and yin and yang surface of bridge structure, bridge structure includes pile foundation 1, bearing platform 2, pier 3, box girder 4 and subgrade 5 from bottom to top in sequence, and maintenance system includes heat extraction mechanism 6, heat dissipation mechanism 7 and loop mechanism 8 along the flow direction of circulating medium, wherein:

[0041] Heat extraction mechanism 6 includes multiple groups of heat exchange pipeline 9 arranged in pile foundation 1, heat exchange pipeline 9 is heated by geothermal energy in circulating medium in heat exchange pipeline 9 through the area of pile foundation 1, and heat exchange pipeline 9 is spiral pipeline arranged vertically, and spiral pipeline can effectively extend the flow length of circulating medium, to further more fully absorb and utilize geothermal energy;

[0042] Heat dissipation mechanism 7 is connected with heat extraction mechanism 6 by upper water assembly, and upper water assembly includes multiple groups of upper water pipeline 10 arranged in pier 3, the water outlet of multiple groups of heat exchange pipeline 9 is connected in parallel with the lower end water inlet of upper water pipeline 10, and the upper end water outlet of upper water pipeline 10 is connected with the water inlet of heat dissipation mechanism 7, and upper water pipeline 10 also adopts spiral pipeline;

[0043] The heat dissipation mechanism 7 comprises a heat dissipation pipeline 11 arranged in the roadbed 5, a water inlet of the heat dissipation pipeline 11 is connected with a water outlet of the upper water pipeline 10, the heat dissipation pipeline 11 is a U-shaped pipeline buried in the roadbed 5, the U-shaped pipeline can effectively prolong the flow length of the circulating medium, and then more fully absorb and utilize the geothermal energy, and improve the heat dissipation efficiency;

[0044] The loop mechanism 8 comprises a circulating water pump 12 and a return pipeline 13, a water inlet of an upper end of the return pipeline 13 is connected with a water outlet of the heat dissipation pipeline 11, a water outlet of a lower end of the return pipeline 13 is connected with a water inlet of the circulating water pump 12, and a water outlet of the circulating water pump 12 is connected with a water inlet of an upper end of the heat exchange pipeline 9 through a water distribution pipe 17.

[0045] The heat extraction mechanism 6 of the patent utilizes the regional geothermal of the pile foundation 1 to heat the circulating medium in the heat exchange pipeline 9, the heated circulating medium is passed into the heat dissipation pipeline 11 in the roadbed 5 through the upper water assembly, and then the geothermal energy is uniformly released to the bridge superstructure, the temperature difference between the inside and outside of the bridge structure and the temperature difference between the yin and yang surfaces are balanced, and the concrete cracking of the bridge structure and the pavement icing are effectively prevented.

[0046] Optionally, in a possible implementation, the heat exchange pipeline 9 is arranged inside the reinforcement cage of the pile foundation 1.

[0047] Optionally, in a possible implementation, the loop mechanism 8 further comprises an energy supply assembly 14 electrically connected with the circulating water pump 12, the energy supply assembly 14 comprises a wind power generation unit 15 and a solar power generation unit 16, the wind power generation unit 15 and the solar power generation unit 16 are fixedly connected to the side edges of the box girder 4 through flanges, the wind power generation unit 15 and the solar power generation unit 16 serve as complementary power generation devices to supply power to the circulating water pump 12, the energy sources for driving the system to operate are all clean energy, and the system has the characteristics of high economic benefit and green environmental protection.

[0048] Optionally, in a possible implementation, the loop mechanism 8 further comprises a storage battery, an input end of the storage battery is electrically connected with the wind power generation unit 15 and the solar power generation unit 16, and an output end of the storage battery is electrically connected with the circulating water pump 12, the storage battery can provide working power when the energy supply assembly 14 cannot supply enough power, and is used for the working of the circulating water pump 12.

[0049] Optionally, in a possible implementation, the circulating water pump 12 and the storage battery are fixedly arranged on the bearing platform 2.

[0050] Optionally, in a possible implementation, the return pipeline 13 is wrapped with a heat preservation layer, and the heat preservation layer can reduce the heat volatilization of the return pipeline 13.

[0051] Optionally, in one possible implementation, the upper water pipeline 10 is connected to the heat dissipation pipeline 11 of the heat dissipation mechanism 7 from the gap between the two spans of the bridge, thereby avoiding damage to the bridge structure.

[0052] Working process:

[0053] The circulating water pump 12 draws the low-temperature circulating medium in the return pipeline 13 and pumps it into the water distribution pipeline 17, which pumps the circulating medium into the heat exchange pipeline 9 of each pile foundation 1. The geothermal heat in the area of the pile foundation 1 heats the circulating medium in the heat exchange pipeline 9. The heated circulating medium is pumped into the upper water pipeline 10 under the action of the circulating water pump 12 and flows into the heat dissipation pipeline 11 of the heat dissipation mechanism 7, fully exchanges heat with the bridge structure at the roadbed 5, balances the temperature at different parts of the structure, and eliminates the dark ice on the road surface. The low-temperature circulating medium enters the return pipeline 13 and returns to the circulating water pump 12 for circulation.

[0054] Obviously, the above embodiments are only examples for the purpose of clarity and are not intended to limit the embodiments. Based on the above description, those skilled in the art can make other different forms of changes or modifications. It is not necessary and impossible to enumerate all the embodiments. The obvious changes or modifications derived therefrom are still within the protection scope of the present application.

Claims

1. A bridge structure maintenance system based on clean energy, characterized by, The application discloses a maintenance system for balancing temperature difference between inner and outer surfaces and between positive and negative surfaces of a bridge structure, which comprises pile foundation, bearing platform, pier, box girder and roadbed from bottom to top. The heat extraction mechanism comprises a plurality of groups of heat exchange pipelines arranged in the pile foundation, and the heat exchange pipelines are heated by geothermal heat in the pile foundation area to heat circulating medium in the heat exchange pipelines. The heat dissipation mechanism is connected with the heat extraction mechanism through an upper water assembly, and the upper water assembly comprises a plurality of groups of upper water pipelines arranged in the pier. The heat dissipation mechanism comprises a heat dissipation pipeline arranged in the roadbed, and the inlet of the heat dissipation pipeline is connected with the outlet of the upper water pipeline. The loop mechanism comprises a circulating water pump and a return pipeline, the inlet of the return pipeline is connected with the outlet of the heat dissipation pipeline, the outlet of the return pipeline is connected with the inlet of the circulating water pump, and the outlet of the circulating water pump is connected with the inlet of the heat exchange pipeline through a water distribution pipeline.

2. The bridge structure maintenance system based on clean energy according to claim 1, characterized in that, The heat exchange pipeline is a vertical spiral pipeline.

3. The bridge structure maintenance system based on clean energy according to claim 2, characterized in that, The heat exchange pipeline is arranged in the inner side of the pile foundation reinforcement cage.

4. The bridge structure maintenance system based on clean energy according to claim 1, characterized in that, The heat dissipation pipeline is a U-shaped pipeline buried in the roadbed.

5. The bridge structure maintenance system based on clean energy according to claim 1, characterized in that, The loop mechanism further comprises an energy supply assembly electrically connected with the circulating water pump, the energy supply assembly comprises a wind power generation unit and a solar power generation unit, and the wind power generation unit and the solar power generation unit are fixedly connected with the side of the box girder through flanges.

6. The bridge structure maintenance system based on clean energy according to claim 5, characterized in that, The loop mechanism further comprises a storage battery, the input end of the storage battery is electrically connected with the wind power generation unit and the solar power generation unit, and the output end of the storage battery is electrically connected with the circulating water pump.

7. A clean energy based bridge structure maintenance system as claimed in claim 6 wherein, The circulating water pump and the storage battery are fixedly arranged on the bearing platform.

8. The bridge structure maintenance system based on clean energy according to claim 1, characterized in that, The return pipeline is wrapped with a heat preservation layer.

9. The bridge structure maintenance system based on clean energy according to claim 1, characterized in that, The upper water pipeline is connected with the heat dissipation pipeline of the heat dissipation mechanism from the gap between two spans of the bridge.

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