Power transmission structure based on viaduct power transmission and heat conduction oil energy recovery

Abstract

The invention discloses a power transmission structure based on viaduct power transmission and heat conduction oil energy recovery. The power transmission structure comprises a transmission system, a cooling system, a recovery system and a lightning protection system. The conveying system comprises a power transmission line, an elevated support and a compartment body. The power transmission line is positioned in the compartment body and is provided with a plurality of steel-cored aluminum wires; the carriage body is fixed at the upper end of the supporting part; the cooling system comprises a heat-conducting oil pipe matched with the power transmission line, an oil pump located in the heat-conducting oil pipe and a cooling water pipe used for cooling the heat-conducting oil pipe, and the steel-cored aluminum wire is located in the heat-conducting oil pipe; the recovery system comprises a steam turbine and a generator; the lightning protection system is provided with a lightning rod and a lightning protection steel cable. The transmission system and the cooling system are arranged, and the power transmission line is soaked in the heat conduction oil pipe, so that heat emitted by the power transmission line in the working process can be quickly transmitted to the cooling water pipe to recover energy, and the situation that the temperature of the steel-cored aluminum wire is too high is avoided; and the stability and overload capacity of the power transmission structure based on viaduct power transmission and heat conduction oil energy recovery are ensured.

Description

Technical Field

[0001] The invention relates to the technical field of power transmission lines, in particular to a power transmission structure based on viaduct power transmission and heat transfer oil energy recovery. Background Art

[0002] With the implementation of the power grid's strategies of "transmitting electricity from west to east, supplying electricity from north to south, and interconnecting the whole country" and "global energy internet", the power transmission lines are vulnerable to natural weather, and the cross-river power transmission corridors are tight, and the land resources are tight and the development of urban power grids is coordinated with the development of the environment. It is necessary to develop power transmission lines with large capacity, small environmental impact, long distance, high reliability, and coordinated with the development of urban environment. Therefore, the power corridors in the current power transmission environment are becoming more and more crowded; at the same time, a large number of new energy power generation are connected to the grid, and the current is unstable, which requires the transmission lines to have a certain overload capacity. Summary of the invention

[0003] In order to solve the above problems, the purpose of the present invention is to provide a power transmission structure based on viaduct power transmission and heat transfer oil energy recovery, which adopts a combination of cooling system and recovery system to cool the transmission line, so as to ensure the stability and overload capacity of the power transmission structure based on viaduct power transmission and heat transfer oil energy recovery.

[0004] The technical solution adopted by the present invention to solve the problem is:

[0005] A power transmission structure based on viaduct power transmission and heat transfer oil energy recovery, comprising a transmission system, a cooling system, a recovery system and a lightning protection system;

[0006] The transmission system comprises a transmission line, an elevated support and a box; the elevated support is provided with a base, an insulating part and a supporting part from bottom to top, and the supporting part is fixed on the ground through the insulating part and the base; the transmission line is located in the box, and the transmission line is provided with a plurality of steel core aluminum wires; the box is fixed on the upper end of the supporting part;

[0007] The cooling system includes a heat-conducting oil pipe matched with the power transmission line, an oil pump located in the heat-conducting oil pipe, and a cooling water pipe for cooling the heat-conducting oil pipe, and the steel-core aluminum wire is located in the heat-conducting oil pipe;

[0008] The recovery system comprises a steam turbine and a generator, wherein the steam turbine is connected to the cooling water pipe, and the generator is drivingly connected to the steam turbine;

[0009] The lightning protection system comprises a lightning protection tower, which is located on the side of the elevated support and has a lightning rod and a lightning protection steel cable on the top.

[0010] The above-mentioned power transmission structure based on viaduct power transmission and heat transfer oil energy recovery has at least the following beneficial effects: by setting up a transmission system and a cooling system, the power transmission line is immersed in the heat transfer oil pipe, so that the heat generated by the power transmission line during operation can be quickly transmitted to the cooling water pipe, avoiding the steel core aluminum wire from overheating, and ensuring the stability and overload capacity of the power transmission structure based on viaduct power transmission and heat transfer oil energy recovery; by setting up a cooling system and a recovery system, the cooling water pipe absorbs the heat in the heat transfer oil pipe, so that the steam turbine can drive the generator to operate through the steam in the cooling water pipe, achieve the effect of energy recovery, avoid overheating of the cooling system, and improve the operating stability and energy recovery efficiency of the power transmission structure based on viaduct power transmission and heat transfer oil energy recovery; by setting up a lightning protection system, the lightning rod and the lightning protection steel cable can effectively prevent the power transmission line from being damaged by lightning, and improve the lightning protection capability of the power transmission structure based on viaduct power transmission and heat transfer oil energy recovery.

[0011] Furthermore, a transport assembly is provided between the base and the support, and the transport assembly includes a plastic elevator, an insulating chain and an insulating rope. By providing the transport assembly, it is ensured that the plastic elevator, insulating chain and insulating rope with insulating properties can be used to transport materials between the base and the support, thereby improving the insulation performance of the elevated support and the safety of the power transmission structure based on the viaduct power transmission and heat transfer oil energy recovery.

[0012] Furthermore, the cooling water pipe is also connected to a water tank, and a water tower that matches the water tank is provided on the side of the elevated support; the water tower is provided with a water inlet and a water outlet located above the water tank, and the water inlet is connected to a water source through an insulating water tank and a water pump. By providing a water tank, an insulating water tank and a water tower, the stability of the cooling water supply in the cooling water pipe can be ensured, and the situation of too low water volume in the cooling water pipe can be avoided, which affects the heat dissipation performance of the transmission line.

[0013] Furthermore, the oil pump is located on the support part, and a driving motor for driving the oil pump is provided on the base. By providing the oil pump and the driving motor, the oil in the heat transfer oil pipe can be effectively driven to circulate, thereby improving the heat dissipation performance of the power transmission line.

[0014] Furthermore, the drive motor drives the oil pump to operate via a belt. By providing the belt, the oil pump is prevented from being electrically connected to the drive motor so that the support portion and the base are electrically conductive, thereby improving the insulation performance between the oil pump and the drive motor.

[0015] Furthermore, a canopy is provided at the upper end of the carriage, and the canopy is inclined toward the side close to the cooling water pipe. By providing the canopy, rainwater is effectively diverted to avoid rainwater accumulation on the carriage affecting the stability of the transmission system, thereby improving the safety of the transmission structure based on viaduct power transmission and heat transfer oil energy recovery.

[0016] Furthermore, the distance between two adjacent support parts arranged in parallel is greater than the preset safety distance. The distance between two adjacent support parts is greater than the preset safety distance, which can effectively avoid arcing caused by the small distance between the charged support parts, causing a short circuit in the power transmission line, and improve the working stability of the power transmission line.

[0017] Furthermore, a connection assembly is provided between the steel core aluminum wires, and the connection assembly includes a connection base, a fixing ring and a connection block, and the fixing ring is fixed on the connection base; the connection block is connected to the adjacent transmission line through the fixing ring. By providing the connection assembly, the fixing ring can fix one end of the steel core aluminum wire on the connection base, so that the adjacent steel core aluminum wires are connected through the connection block, thereby improving the connection stability and flexibility of the steel core aluminum wire.

[0018] Furthermore, a lightning protection tower is provided on the side of the elevated support, the height of the lightning protection tower is greater than the height of the compartment, and the lightning protection tower is connected to the base. By providing the lightning protection tower, effective lightning protection is provided for the transmission system to avoid damage to the transmission line due to lightning strike, which affects the safety of the transmission structure based on the viaduct power transmission and heat transfer oil energy recovery.

[0019] Furthermore, the insulating part is made of basalt fiber or glass fiber. Basalt fiber and glass fiber have the advantages of good insulation, strong heat resistance, good corrosion resistance and high mechanical strength. The insulating part is made of basalt fiber or glass fiber, which can effectively improve the structural strength and insulation performance of the insulating part.

[0020] The beneficial effects of the above-mentioned power transmission structure based on viaduct power transmission and heat transfer oil energy recovery are as follows: by setting up a transmission system and a cooling system, the power transmission line is immersed in the heat transfer oil pipe, so that the heat generated by the power transmission line during operation can be quickly transmitted to the cooling water pipe, avoiding the steel core aluminum wire from overheating, and ensuring the stability and overload capacity of the power transmission structure based on viaduct power transmission and heat transfer oil energy recovery; by setting up a cooling system and a recovery system, the cooling water pipe absorbs the heat in the heat transfer oil pipe, so that the steam turbine can drive the generator to operate through the steam in the cooling water pipe, thereby achieving the effect of energy recovery, avoiding overheating of the cooling system, and improving the operating stability and energy recovery efficiency of the power transmission structure based on viaduct power transmission and heat transfer oil energy recovery; by setting up a lightning protection system, the lightning rod and lightning protection steel cable can effectively prevent the transmission line from being affected by The invention can prevent the damage caused by lightning strike, thereby improving the lightning protection capability of the power transmission structure based on viaduct power transmission and heat transfer oil energy recovery; by setting up the transport component, it is ensured that the base and the support part can be transported by means of the plastic elevator, the insulating chain and the insulating rope with insulating performance, thereby improving the insulation performance of the elevated support and the safety of the power transmission structure based on viaduct power transmission and heat transfer oil energy recovery; by setting up the water storage tank, the insulating water tank and the water tower, the supply stability of cooling water in the cooling water pipe can be ensured, thereby avoiding the situation where the water volume in the cooling water pipe is too low, thereby affecting the heat dissipation performance of the power transmission line; by setting up the oil pump and the drive motor, the oil circulation in the heat transfer oil pipe can be effectively driven, thereby improving the heat dissipation performance of the power transmission line; by setting up the belt, it is avoided that the oil pump and the drive motor are electrically connected to make the support part and the base conductive, thereby improving the insulation performance between the oil pump and the drive motor.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0023] Figure 1 This is a structural diagram of a power transmission structure based on viaduct power transmission and heat transfer oil energy recovery according to an embodiment of the present invention;

[0024] Figure 2 A cross-sectional view of a power transmission structure based on viaduct power transmission and heat transfer oil energy recovery according to an embodiment of the present invention;

[0025] Figure 3 for Figure 1 Connection diagram of the transmission line;

[0026] Figure 4 for Figure 1 Structural diagram of cooling system and recovery system;

[0027] Figure 5 for Figure 1 Structural diagram of the conveying system and cooling system;

[0028] Figure 6 for Figure 1 Structural diagram of the middle base and support part;

[0029] Figure 7 This is a structural diagram of a power transmission structure based on viaduct power transmission and heat transfer oil energy recovery in a high mountain installation environment according to an embodiment of the present invention;

[0030] Figure 8 This is a structural diagram of a power transmission structure based on viaduct power transmission and heat transfer oil energy recovery in a river installation environment according to an embodiment of the present invention. DETAILED DESCRIPTION

[0031] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] Reference Figures 1 to 8 , an embodiment of the present invention provides a power transmission structure based on viaduct power transmission and heat transfer oil energy recovery, including a transmission system 100, a cooling system 200, a recovery system 300 and a lightning protection system 400;

[0033] The transmission system 100 includes a transmission line 110, an elevated support 120 and a box 130; the elevated support 120 is provided with a base 121, an insulating portion 122 and a support portion 123 from bottom to top, and the support portion 123 is fixed to the ground through the insulating portion 122 and the base 121; the transmission line 110 is located in the box 130, and the transmission line 110 is provided with a plurality of steel core aluminum wires 111; the box 130 is fixed to the upper end of the support portion 123;

[0034] The cooling system 200 includes a heat transfer oil pipe 210 matched with the power transmission line 110, an oil pump 220 located in the heat transfer oil pipe 210, and a cooling water pipe 230 for cooling the heat transfer oil pipe 210. The steel core aluminum wire 111 is located in the heat transfer oil pipe 210.

[0035] The recovery system 300 includes a steam turbine 310 and a generator 320, wherein the steam turbine 310 is connected to the cooling water pipe 230, and the generator 320 is transmission-connected to the steam turbine 310;

[0036] The lightning protection system 400 includes a lightning protection tower 410 . The lightning protection tower 410 is located on a side of the elevated support 120 . A lightning rod 411 and a lightning protection steel cable 412 are provided on the top of the lightning protection tower 410 .

[0037] By setting the transmission system 100 and the cooling system 200, the transmission line 110 is immersed in the heat transfer oil pipe 210, so that the heat generated by the transmission line 110 during operation can be quickly transmitted to the cooling water pipe 230, avoiding the steel core aluminum wire 111 from overheating, and ensuring the stability and overload capacity of the transmission structure based on viaduct power transmission and heat transfer oil energy recovery; by setting the cooling system 200 and the recovery system 300, the cooling water pipe 230 absorbs the heat in the heat transfer oil pipe 210, so that the steam turbine 310 can drive the generator 320 to operate through the steam in the cooling water pipe 230, achieve the effect of energy recovery, avoid overheating of the cooling system 200, and improve the operation stability and energy recovery efficiency of the transmission structure based on viaduct power transmission and heat transfer oil energy recovery; by setting the lightning protection system 400, the lightning rod 411 and the lightning protection steel cable 412 can effectively prevent the transmission line from being damaged by lightning, and improve the lightning protection capability of the transmission structure based on viaduct power transmission and heat transfer oil energy recovery.

[0038] In another embodiment, a transport assembly 140 is provided between the base 121 and the support 123, and the transport assembly 140 includes a plastic elevator 141, an insulating chain 142, and an insulating rope 143. By providing the transport assembly 140, it is ensured that the plastic elevator 141, the insulating chain 142, and the insulating rope 143 with insulating properties can be used to transport materials between the base 121 and the support 123, thereby improving the insulation performance of the elevated support 120 and the safety of the power transmission structure based on the viaduct power transmission and heat transfer oil energy recovery.

[0039] In another embodiment, the cooling water pipe 230 is further connected to a water tank 231, and a water tower 240 is provided on the side of the elevated support 120 to cooperate with the water tank 231; the water tower 240 is provided with a water inlet 241 and a water outlet 242 located above the water tank 231, and the water inlet 241 is connected to a water source through an insulating water tank 243 and a water pump 244. By providing the water tank 231, the insulating water tank 243 and the water tower 240, the supply stability of cooling water in the cooling water pipe 230 can be ensured, and the situation of too low water volume in the cooling water pipe 230 can be avoided, which affects the heat dissipation performance of the transmission line 110.

[0040] Reference Figure 5 In another embodiment, the water storage tank 231 is further connected to a waste heat boiler 232. The waste heat boiler 232 is a boiler that can use the heat in the water storage tank 231 to heat water to a certain temperature, so as to ensure that the heat in the cooling water pipe 230 is fully utilized and improve the energy recovery efficiency of the recovery system 300.

[0041] In another embodiment, the oil pump 220 is located on the support portion 123, and a driving motor 150 for driving the oil pump 220 is provided on the base 121. By providing the oil pump 220 and the driving motor 150, the oil in the heat transfer oil pipe 210 can be effectively driven to circulate, thereby improving the heat dissipation performance of the transmission line 110.

[0042] In another embodiment, the driving motor 150 drives the oil pump 220 to operate via the belt 151. By providing the belt 151, the oil pump 220 is prevented from being electrically connected to the driving motor 150, so that the support portion 123 and the base 121 are electrically conductive, thereby improving the insulation performance between the oil pump 220 and the driving motor 150.

[0043] In another embodiment, the generator 320 and the steam turbine 310 are connected to each other through a transmission bar 330. The transmission bar 330 also has insulation properties to prevent the generator 320 from being electrically connected to the steam turbine 310 so that the support portion 123 and the base 121 are electrically conductive, thereby improving the insulation properties between the generator 320 and the steam turbine 310.

[0044] In another embodiment, a canopy 131 is provided at the upper end of the carriage 130, and the canopy 131 is inclined toward the side close to the cooling water pipe 230. By providing the canopy 131, rainwater is effectively diverted to prevent rainwater from accumulating on the carriage 130 and affecting the stability of the transmission system 100, thereby improving the safety of the transmission structure based on viaduct power transmission and heat transfer oil energy recovery. Figure 2 In some embodiments, a rain shield 126 is provided between the insulating portion 122 and the supporting portion 123 to prevent rainwater from corroding the insulating portion 122 and improve the insulation performance and service life of the elevated support 120 .

[0045] Reference Figure 2 In another embodiment, the distance L between two adjacent support parts 123 arranged in parallel with each other is greater than the preset safety distance. The distance between two adjacent support parts 123 is greater than the preset safety distance, which can effectively avoid the situation where the distance between the charged support parts 123 is too small to generate arcs, causing a short circuit in the transmission line 110, and improve the working stability of the transmission line 110. Specifically, in actual applications, the safety distance is 22 meters, that is, the distance L between two adjacent support parts 123 is greater than 22 meters, so as to ensure the stable operation of the transmission structure based on viaduct power transmission and heat transfer oil energy recovery.

[0046] In another embodiment, a connection assembly 170 is provided between the steel core aluminum wires 111. The connection assembly 170 includes a connection base 171, a fixing ring 172 and a connection block 173. The fixing ring 172 is fixed on the connection base 171; the connection block 173 is connected to the adjacent transmission line 110 through the fixing ring 172. By providing the connection assembly 170, the fixing ring 172 can fix one end of the steel core aluminum wire 111 on the connection base 171, so that the adjacent steel core aluminum wires 111 are connected through the connection block 173, thereby improving the connection stability and flexibility of the steel core aluminum wire 111. Figure 3 As shown, in some embodiments, nitrogen is filled in the compartment 130 and the connection assembly 170 to form a protective layer 132 to prevent the steel core aluminum wire 111 from being oxidized and to increase the service life of the steel core aluminum wire 111 .

[0047] In another embodiment, a lightning protection tower 410 is provided on the side of the elevated support 120. The height of the lightning protection tower 410 is greater than the height of the compartment 130, and the lightning protection tower 410 is connected to the base 121. By providing the lightning protection tower 410, effective lightning protection is provided for the transmission system 100, so as to avoid the power transmission line 110 being damaged by lightning and affecting the safety of the power transmission structure based on the viaduct power transmission and the heat transfer oil energy recovery. Figure 2 As shown, in some embodiments, a lightning rod 411 and a lightning protection cable 422 are provided on the top of the lightning protection tower 410 to enhance the protection performance of the lightning protection tower 410 .

[0048] In another embodiment, the insulating part 122 is made of basalt fiber or glass fiber. Basalt fiber and glass fiber have the advantages of good insulation, strong heat resistance, good corrosion resistance, and high mechanical strength. The insulating part 122 is made of basalt fiber or glass fiber, which can effectively improve the structural strength and insulation performance of the insulating part 122.

[0049] In another embodiment, an equipotential line is also provided in the transmission structure based on viaduct power transmission and heat transfer oil energy recovery. The equipotential line refers to a line with the same potential inside the equipment. It is generally believed that each point on the same equipotential line has the same potential. The main function of the equipotential line is to ensure the consistency of the potential of each part inside the equipment, thereby preventing potential electrical hazards. The operator and the oil pump 220 and other equipment are connected to the equipotential line.

[0050] The working principle of the present invention is further described below.

[0051] During the construction process, according to the installation environment of the transmission structure based on the viaduct power transmission and heat transfer oil energy recovery, the transmission line 110, the cooling system 200 and the recovery system 300 are installed on the ground in sequence; specifically, the base 121, the insulating part 122 and the support part 123 are first installed on the ground in sequence, the box 130 is installed on the support part 123, and the heat transfer oil pipe 210, the oil pump 220 and the cooling water pipe 230 are installed on the box 130, and the transmission line 110 is installed in the heat transfer oil pipe 210, so that the transmission line 110 can be immersed in the heat transfer oil pipe 210 and driven by the oil pump 220. The oil in the heat transfer oil pipe 210 circulates, so that the heat generated by the power transmission line 110 during operation is effectively and continuously transferred to the cooling water pipe 230 through the heat transfer oil pipe 210, completing the installation of the cooling system 200; the steam turbine 310 and the generator 320 are connected at the other end of the cooling water pipe 230, so that the steam turbine 310 drives the generator 320 to operate after absorbing the heat of the cooling water pipe 230, achieving the effect of energy recovery, completing the installation of the recovery system 300. In actual application, in order to ensure that the energy of the cooling water can be stably converted into electrical energy, the interval distance of the recovery system 300 is set to 100 meters. Specifically, as Figure 7 As shown, in a high mountain installation environment, after the elevated support 120 is installed on the ground, in order to enable the transmission line 110 to cross the mountain and the height distance h between the transmission line 110 and the top of the mountain is greater than the preset vertical safety distance, it is necessary to superimpose the horizontal unit 180 and the vertical unit 190 on the support part 123, wherein the horizontal unit 180 and the vertical unit 190 are provided with the compartment 130 and the transmission line 110; in some embodiments, the distance d between the vertical units 190 at the same height should be greater than the preset horizontal safety distance; Figure 8 As shown, in the river installation environment, in order to ensure that the transmission line 110 can stably cross the river, it is necessary to install iron towers 124 on both sides of the river, and connect the transmission line 110 to the iron towers 124 through horizontal units 180 and vertical units 190, and finally fix the transmission line 110 through insulators 125. In order to facilitate the connection and installation between the transmission lines 110, it is necessary to install connection components 170 at both ends of the transmission line 110, such as Figure 3As shown, one end of the transmission line 110 to be connected is fixed on the connection base 171 through a fixing ring 172, and the adjacent steel core aluminum wires 111 are connected through the connection block 173; wherein, a plastic slide bar 175 is provided on the connection base 171, so that the steel core aluminum wire 111 can be slidably installed on the connection base 171 and fixedly installed through a fixing pile 174, and finally a partition plate 176 is provided between the two fixing piles 174 to complete the front and rear connection of the transmission line 110. In some embodiments, in order to facilitate the transfer of materials between the base 121 and the support part 123, in order to ensure the insulation performance of the insulating part 122, a transport component 140 with insulation performance is provided, including a plastic elevator 141, an insulating chain 142 and an insulating rope 143, so as to facilitate operations such as personnel climbing and material transportation. In some embodiments, in order to ensure a stable supply of cooling water in the cooling water pipe 230, a water tower 240 needs to be installed on the side of the elevated support 120. The water tower 240 is provided with a water inlet 241 and a water outlet 242 located above the water storage tank 231. The water inlet 241 is connected to a water source through an insulating water tank 243 and a water pump. Adjacent insulating water tanks 243 are connected through plastic water pipes 245. Specifically, as Figure 5 As shown, since water has a certain conductivity, it is necessary to set an upper water inlet 246 at the upper end of the water tower 240, and ensure that the distance s between the upper water inlet 246 and the water surface position in the water tower 240 is greater than the preset vertical insulation distance to prevent the power supply of the water tower 240 from affecting the insulation performance of the power transmission structure based on the viaduct power transmission and heat transfer oil energy recovery. In actual applications, in order to ensure a stable supply of cooling water, the interval between the water towers 240 is set to 1 km.

[0052] During operation, in order to improve the operation stability and safety of the power transmission structure based on viaduct power transmission and heat transfer oil energy recovery, corresponding data acquisition modules are set in the transmission system 100, the cooling system 200 and the recovery system 300 to grasp the operation status of the transmission system 100, the cooling system 200 and the recovery system 300 in real time. Specifically, a temperature acquisition module, an oil pump 220 working state monitoring module, a water level monitoring module of the waste heat boiler 232, a generator 320 working state monitoring module, a water tower 240 working state monitoring module, and a water flow monitoring module of the cooling water pipe 230 are set in the heat transfer oil pipe 210. In actual application, various monitoring data and surveillance videos of cameras are sent to the webpage of the operation and maintenance platform through the communication module of the Internet of Things for real-time monitoring; the temperature of the heat transfer oil in the heat transfer oil pipe 210 is monitored in real time, the speed and pumping amount of the oil pump 220 are dynamically adjusted, the circulation speed of the heat transfer oil is changed, and the temperature of the heat transfer oil is reduced; the waste heat boiler 232 is monitored by a manned monitoring method to prevent the steam turbine 310 and the generator 320 from being in an abnormal working state for a long time. In the actual operation process, the steel core aluminum wire 111 is a ten-strand aluminum wire, the calorific value per meter is 840W, and the calorific value of 100 meters is 84kW. The heat storage and heat conduction efficiency of the cooling system 200 is set to 0.8, the waste heat power generation efficiency of the recovery system 300 is 0.6, and the transmission efficiency of the transmission bar 330 is 0.9. Then, the output power of the power transmission line 110 per 100 meters is: 84kWX0.8X0.6X0.9=36kW.

[0053] From the above description, it can be seen that the power transmission structure based on viaduct power transmission and heat transfer oil energy recovery of the present invention is provided with a transmission system 100 and a cooling system 200, and the power transmission line 110 is immersed in the heat transfer oil pipe 210, so that the heat generated by the power transmission line 110 during operation can be quickly transmitted to the cooling water pipe 230, avoiding the steel core aluminum wire 111 from overheating, and ensuring the stability and overload capacity of the power transmission structure based on viaduct power transmission and heat transfer oil energy recovery; by providing a cooling system 200 and a recovery system 300, the cooling water pipe 230 absorbs the heat in the heat transfer oil pipe 210, so that the steam turbine 310 can drive the generator 320 to operate through the steam in the cooling water pipe 230, achieve the effect of energy recovery, avoid overheating of the cooling system 200, and improve the operation stability and energy recovery efficiency of the power transmission structure based on viaduct power transmission and heat transfer oil energy recovery; by providing a lightning protection system 400, the lightning rod 411 and the lightning protection cable 412 can effectively prevent the transmission line from being damaged by lightning strikes, Improve the lightning protection capability of the power transmission structure based on viaduct power transmission and heat transfer oil energy recovery; by setting the transport component 140, ensure that the base 121 and the support part 123 can be transported by the plastic elevator 141 with insulation performance, the insulation chain 142 and the insulation rope 143, improve the insulation performance of the elevated support 120 and the safety of the power transmission structure based on viaduct power transmission and heat transfer oil energy recovery; by setting the water storage tank 231, the insulation water tank 243 and the water tower 240, it can ensure that the cooling water pipe The supply stability of cooling water in 230 can avoid the situation where the water level in the cooling water pipe 230 is too low, which affects the heat dissipation performance of the transmission line 110; by arranging the oil pump 220 and the drive motor 150, the oil circulation in the thermal oil pipe 210 can be effectively driven to improve the heat dissipation performance of the transmission line 110; by arranging the belt 151, the oil pump 220 and the drive motor 150 are prevented from being electrically connected to each other, so that the support part 123 and the base 121 are electrically conductive, thereby improving the insulation performance between the oil pump 220 and the drive motor 150.

[0054] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A power transmission structure based on viaduct power transmission and heat transfer oil energy recovery, characterized by: Including transmission system, cooling system, recovery system and lightning protection system; The transmission system comprises a transmission line, an elevated support and a box; the elevated support is provided with a base, an insulating part and a supporting part from bottom to top, and the supporting part is fixed on the ground through the insulating part and the base; the transmission line is located in the box, and the transmission line is provided with a plurality of steel core aluminum wires; the box is fixed on the upper end of the supporting part; The cooling system includes a heat-conducting oil pipe matched with the power transmission line, an oil pump located in the heat-conducting oil pipe, and a cooling water pipe for cooling the heat-conducting oil pipe, and the steel-core aluminum wire is located in the heat-conducting oil pipe; The recovery system comprises a steam turbine and a generator, wherein the steam turbine is connected to the cooling water pipe, and the generator is drivingly connected to the steam turbine; The lightning protection system comprises a lightning protection tower, which is located on the side of the elevated support and has a lightning rod and a lightning protection steel cable on the top.

2. The power transmission structure based on viaduct power transmission and heat transfer oil energy recovery according to claim 1 is characterized by: A transport component is provided between the base and the support part, and the transport component comprises a plastic elevator, an insulating chain and an insulating hanging rope.

3. The power transmission structure based on viaduct power transmission and heat transfer oil energy recovery according to claim 1 is characterized by: The cooling water pipe is also connected to a water tank, and a water tower cooperating with the water tank is provided on the side of the elevated support; the water tower is provided with a water inlet and a water outlet located above the water tank, and the water inlet is connected to a water source through an insulating water tank and a water pump.

4. The power transmission structure based on viaduct power transmission and heat transfer oil energy recovery according to claim 1 is characterized by: The oil pump is located on the supporting part, and a driving motor for driving the oil pump is provided on the base.

5. The power transmission structure based on viaduct power transmission and heat transfer oil energy recovery according to claim 4 is characterized in that: The driving motor drives the oil pump to operate via a belt.

6. The power transmission structure based on viaduct power transmission and heat transfer oil energy recovery according to claim 1 is characterized by: A canopy is provided at the upper end of the compartment, and the canopy is inclined toward a side close to the cooling water pipe.

7. The power transmission structure based on viaduct power transmission and heat transfer oil energy recovery according to claim 1 is characterized in that: The distance between two adjacent supporting parts arranged parallel to each other is greater than a preset safety distance.

8. The power transmission structure based on viaduct power transmission and heat transfer oil energy recovery according to claim 1 is characterized by: A connection assembly is provided between the steel core aluminum wires, and the connection assembly comprises a connection base, a fixing ring and a connection block, wherein the fixing ring is fixed on the connection base; and the connection block is connected to the adjacent transmission lines through the fixing ring.

9. The power transmission structure based on viaduct power transmission and heat transfer oil energy recovery according to claim 1 is characterized by: A lightning protection tower is provided on the side of the elevated support, the height of the lightning protection tower is greater than the height of the compartment, and the lightning protection tower is connected to the base.

10. A power transmission structure based on viaduct power transmission and heat transfer oil energy recovery according to claim 9, characterized in that: The insulating part is made of basalt fiber or glass fiber.

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