A comprehensive energy storage system based on mountain gravity and geothermal coupling

Abstract

The present invention discloses a comprehensive energy storage system coupled with mountain gravity and geothermal heat, including a mountain body, the mountain body including a mountain top, a hillside and a mountain bottom connected in sequence from top to bottom, a gravity energy storage system and a geothermal energy storage system are arranged on the mountain body, a control system is respectively connected with the gravity energy storage system and the geothermal energy storage system, the gravity energy storage system includes a mountain top track, a hillside track, a mountain bottom track, a reel mechanism, a transport trolley, a gravity block, and a generator motor, the mountain top track, the hillside track and the mountain bottom track are connected in sequence, the transport trolley is slidably connected to the mountain top track, the hillside track and the mountain bottom track, the gravity block is placed on the transport trolley, the reel mechanism is placed on the uphill of the hillside track, the generator motor is connected with the reel mechanism, and the control system is connected with the generator motor. The present invention can realize the efficient storage and comprehensive utilization of energy by combining gravity energy storage with geothermal energy storage, and build a clean, low-carbon, safe and efficient energy system.

Description

Technical Field

[0001] The invention relates to a comprehensive energy storage system relying on the coupling of mountain gravity and geothermal energy, belonging to the technical field of energy storage. Background Art

[0002] With the continuous economic growth and the improvement of residents' living standards, the demand for electricity is growing, which brings great pressure to the power supply. Especially during peak hours, the load of the power grid increases sharply, which puts higher requirements on the stability and reliability of the power grid.

[0003] Faced with the problem of mismatch between electricity supply and demand, it is necessary to integrate resources rationally and find a solution.

[0004] my country's mountain geothermal resources are widely distributed, mainly concentrated in the southwestern mountainous areas, the southeastern coastal mountains, and other mountainous and hilly areas with active geological structures; the mountains have natural height differences and contain extremely high power generation potential. How to organically combine the two has become an urgent problem to be solved in the industry. Summary of the invention

[0005] The purpose of the present invention is to provide a comprehensive energy storage system that relies on the coupling of mountain gravity and geothermal energy. The present invention combines gravity energy storage with geothermal energy storage, gives full play to the advantages of the two energy storage technologies and integrates them with each other, so as to realize efficient storage and comprehensive utilization of energy, and provide strong support for building a clean, low-carbon, safe and efficient energy system.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions: a comprehensive energy storage system relying on mountain gravity and geothermal coupling, comprising a mountain body, wherein the mountain body comprises a mountain top, a hillside and a mountain bottom connected in sequence from top to bottom, a gravity energy storage system and a geothermal energy storage system are arranged on the mountain body, a control system is respectively connected with the gravity energy storage system and the geothermal energy storage system, the gravity energy storage system comprises a mountain top track, a hillside track, a mountain bottom track, a drum mechanism, a transport trolley, a gravity block, and a generator motor, the mountain top track, the hillside track and the mountain bottom track are connected in sequence, the transport trolley is slidably connected to the mountain top track, the hillside track and the mountain bottom track, the gravity block is placed on the transport trolley, the drum mechanism is placed on the uphill part of the hillside track, the generator motor is connected to the drum mechanism, the control system is connected to the generator motor, the generator motor is connected to a total power supply device and a power grid, and the geothermal energy storage system is also connected to the total power supply device and the power grid.

[0007] The aforementioned comprehensive energy storage system relying on mountain gravity and geothermal coupling, the geothermal energy storage system includes a geothermal well, a geothermal heat exchanger, an energy storage device, a heat pump system and a control device, the geothermal well, the geothermal heat exchanger, and the energy storage device are connected by pipelines in sequence, the heat pump system pipeline is connected to the geothermal heat exchanger, the heat pump system pipeline is connected to the energy storage device, the control device is respectively connected to the geothermal well, the geothermal heat exchanger, the energy storage device, and the heat pump system, and the control device is connected to the control system.

[0008] The aforementioned integrated energy storage system relying on the coupling of mountain gravity and geothermal heat, wherein the energy storage device is connected to a thermal power generation device, the thermal power generation device is connected to a generator motor, and the thermal power generation device is connected to a power grid.

[0009] The aforementioned comprehensive energy storage system relying on the coupling of mountain gravity and geothermal heat, the mountain top track and the mountain bottom track both use power supply tracks, the transport trolley is provided with a drive motor, a current collecting device, a battery and an electronic component assembly, the mountain top track and the mountain bottom track are connected to the main power supply equipment, the drive motor is connected to the current collecting device, the drive motor is connected to the battery, the battery is connected to the electronic component assembly, the electronic component assembly is connected to the drive motor, and the current collecting device is slidably connected to the mountain top track and the mountain bottom track.

[0010] The aforementioned integrated energy storage system relying on the coupling of mountain gravity and geothermal heat, the transport trolley is an open structure with a top opening, a jacking device is arranged on the bottom surface of the transport trolley, the jacking device is connected to the battery, and the jacking device is connected to the electronic component assembly.

[0011] In the aforementioned integrated energy storage system relying on the coupling of mountain gravity and geothermal heat, the angle between the hillside track and the mountain bottom track is 140-160°.

[0012] The aforementioned integrated energy storage system relying on the coupling of mountain gravity and geothermal heat, the drum mechanism includes a drum, a wire rope and a hook, the rotating shaft of the drum is connected to the generator motor, the wire rope is wound around the drum, one end of the wire rope is connected to the hook, and the hook is detachably connected to the transport trolley.

[0013] The aforementioned integrated energy storage system relying on the coupling of mountain gravity and geothermal heat, wherein a cave is arranged in the mountain body, and the geothermal heat exchanger, energy storage device, heat pump system and control equipment are all placed in the cave.

[0014] The aforementioned integrated energy storage system relying on the coupling of mountain gravity and geothermal heat, the energy storage device comprises a heat storage tank and a medium, and the medium is placed in the heat storage tank.

[0015] The aforementioned integrated energy storage system relying on the coupling of mountain gravity and geothermal heat, wherein the medium is crystalline hydrated salts, molten salts, paraffins, fatty acid esters or alcohols.

[0016] Compared with the prior art, the present invention is beneficial in that:

[0017] The present invention combines gravity energy storage with geothermal energy storage, giving full play to the advantages of the two energy storage technologies and integrating them with each other, which can achieve efficient storage and comprehensive utilization of energy and provide strong support for building a clean, low-carbon, safe and efficient energy system.

[0018] The two modes of the present invention can be operated separately or in combination, which can reduce the overall operating cost of the energy system and improve energy utilization efficiency.

[0019] The control system of the present invention performs intelligent scheduling and optimization control on the gravity energy storage and geothermal energy storage systems, which can effectively balance the contradiction between supply and demand of the power grid and improve the stability and reliability of the power system.

[0020] The present invention places the geothermal heat exchanger, energy storage device, heat pump system and control equipment in the cave, effectively utilizing the geographical advantages of the mountain and improving the utilization rate of the mountain. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the present invention;

[0022] Figure 2 is a connection diagram of the geothermal energy storage system in the present invention;

[0023] Figure 3 It is a structural schematic diagram of the transport trolley in the present invention.

[0024] Figure markings: 1-mountain body, 2-top track, 3-hillside track, 4-bottom track, 5-reel mechanism, 6-transport trolley, 7-gravity block, 8-generator motor, 9-geothermal well, 10-geothermal heat exchanger, 11-energy storage device, 12-heat pump system, 13-control device, 14-thermal power generation equipment, 15-drive motor, 16-collecting device, 17-battery, 18-electronic component assembly, 19-lifting device, 20-reel, 21-wire rope, 22-hook, 23-cave.

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. DETAILED DESCRIPTION

[0026] Embodiment 1 of the present invention: A comprehensive energy storage system coupled with mountain gravity and geothermal heat, comprising a mountain body 1, wherein the mountain body 1 comprises a mountain top, a hillside and a mountain bottom connected in sequence from top to bottom, a gravity energy storage system and a geothermal energy storage system are arranged on the mountain body 1, and a control system is connected to the gravity energy storage system and the geothermal energy storage system respectively, the gravity energy storage system comprises a mountain top track 2, a hillside track 3, a mountain bottom track 4, a reel mechanism 5, a transport trolley 6, a gravity block 7, and a generator motor 8, the mountain top track 2, the hillside track 3 and the mountain bottom track 4 are connected in sequence, the transport trolley 6 is slidably connected to the mountain top track 2, the hillside track 3 and the mountain bottom track 4, the gravity block 7 is placed on the transport trolley 6, the reel mechanism 5 is placed on the uphill part of the hillside track 3, the generator motor 8 is connected to the reel mechanism 5, the control system is connected to the generator motor 8, the generator motor 8 is connected to a total power supply device and a power grid, and the geothermal energy storage system is also connected to the total power supply device and the power grid.

[0027] Embodiment 2 of the present invention: A comprehensive energy storage system coupled with mountain gravity and geothermal heat, comprising a mountain body 1, wherein the mountain body 1 comprises a mountain top, a hillside and a mountain bottom connected in sequence from top to bottom, a gravity energy storage system and a geothermal energy storage system are arranged on the mountain body 1, and a control system is connected to the gravity energy storage system and the geothermal energy storage system respectively, and the gravity energy storage system comprises a mountain top track 2, a hillside track 3, a mountain bottom track 4, a reel mechanism 5, a transport trolley 6, a gravity block 7, and a generator motor 8, the mountain top track 2, the hillside track 3 and the mountain bottom track 4 are connected in sequence, the transport trolley 6 is slidably connected to the mountain top track 2, the hillside track 3 and the mountain bottom track 4, the gravity block 7 is placed on the transport trolley 6, and the reel mechanism 5 is placed on the mountain At the uphill part of the slope track 3, the generator motor 8 is connected to the winding mechanism 5, the control system is connected to the generator motor 8, the generator motor 8 is connected to the main power supply equipment and the power grid, and the geothermal energy storage system is also connected to the main power supply equipment and the power grid; the geothermal energy storage system includes a geothermal well 9, a geothermal heat exchanger 10, an energy storage device 11, a heat pump system 12 and a control device 13, the geothermal well 9, the geothermal heat exchanger 10, and the energy storage device 11 are connected in sequence by pipelines, the heat pump system 12 is connected to the geothermal heat exchanger 10 by pipeline, the heat pump system 12 is connected to the energy storage device 11 by pipeline, the control device 13 is respectively connected to the geothermal well 9, the geothermal heat exchanger 10, the energy storage device 11, and the heat pump system 12, and the control device 13 is connected to the control system.

[0028] Embodiment 3 of the present invention: A comprehensive energy storage system coupled with mountain gravity and geothermal heat, comprising a mountain body 1, wherein the mountain body 1 comprises a mountain top, a hillside and a mountain bottom connected in sequence from top to bottom, a gravity energy storage system and a geothermal energy storage system are arranged on the mountain body 1, and a control system is respectively connected to the gravity energy storage system and the geothermal energy storage system, the gravity energy storage system comprises a mountain top track 2, a hillside track 3, a mountain bottom track 4, a reel mechanism 5, a transport trolley 6, a gravity block 7, and a generator motor 8, the mountain top track 2, the hillside track 3 and the mountain bottom track 4 are connected in sequence, the transport trolley 6 is slidably connected to the mountain top track 2, the hillside track 3 and the mountain bottom track 4, the gravity block 7 is placed on the transport trolley 6, the reel mechanism 5 is placed on the uphill part of the hillside track 3, the generator motor 8 is connected to the reel mechanism 5, and the control The system is connected to the generator motor 8, the generator motor 8 is connected to the main power supply equipment and the power grid, and the geothermal energy storage system is also connected to the main power supply equipment and the power grid; the geothermal energy storage system includes a geothermal well 9, a geothermal heat exchanger 10, an energy storage device 11, a heat pump system 12 and a control device 13, the geothermal well 9, the geothermal heat exchanger 10, and the energy storage device 11 are connected in sequence by pipelines, the heat pump system 12 is connected to the geothermal heat exchanger 10 by pipeline, the heat pump system 12 is connected to the energy storage device 11 by pipeline, the control device 13 is respectively connected to the geothermal well 9, the geothermal heat exchanger 10, the energy storage device 11, and the heat pump system 12, and the control device 13 is connected to the control system; the energy storage device 11 is connected to a thermal power generation device 14, the thermal power generation device 14 is connected to the generator motor 8, and the thermal power generation device 14 is connected to the power grid.

[0029] Embodiment 4 of the present invention: A comprehensive energy storage system coupled with mountain gravity and geothermal heat, comprising a mountain body 1, wherein the mountain body 1 comprises a mountain top, a hillside and a mountain bottom connected in sequence from top to bottom, a gravity energy storage system and a geothermal energy storage system are arranged on the mountain body 1, and a control system is connected to the gravity energy storage system and the geothermal energy storage system respectively, and the gravity energy storage system comprises a mountain top track 2, a hillside track 3, a mountain bottom track 4, a reel mechanism 5, a transport trolley 6, a gravity block 7, a generator motor 8, ... The track 3 and the bottom track 4 are connected in sequence, the transport trolley 6 is slidably connected to the top track 2, the hillside track 3 and the bottom track 4, the gravity block 7 is placed on the transport trolley 6, the reel mechanism 5 is placed on the uphill of the hillside track 3, the generator motor 8 is connected to the reel mechanism 5, the control system is connected to the generator motor 8, the generator motor 8 is connected to the total power supply equipment and the power grid, and the geothermal energy storage system is also connected to the total power supply equipment and the power grid; the geothermal energy storage system includes a geothermal well 9, a geothermal heat exchanger 10, an energy storage device 11, and a heat pump system 1 2 and control device 13, geothermal well 9, geothermal heat exchanger 10, energy storage device 11 are connected in sequence by pipelines, heat pump system 12 pipeline is connected to geothermal heat exchanger 10, heat pump system 12 pipeline is connected to energy storage device 11, control device 13 is connected to geothermal well 9, geothermal heat exchanger 10, energy storage device 11, heat pump system 12 respectively, control device 13 is connected to control system; energy storage device 11 is connected to thermal power generation device 14, thermal power generation device 14 is connected to generator motor 8, thermal power generation device 14 is connected on the power grid; the mountain top track 2 and the mountain bottom track 4 both use power supply tracks, and the transport trolley 6 is provided with a drive motor 15, a collector 16, a battery 17 and an electronic component assembly 18, the mountain top track 2 and the mountain bottom track 4 are connected to the total power supply equipment, the drive motor 15 is connected to the collector 16, the drive motor 15 is connected to the battery 17, the battery 17 is connected to the electronic component assembly 18, the electronic component assembly 18 is connected to the drive motor 15, and the collector 16 is slidably connected to the mountain top track 2 and the mountain bottom track 4.

[0030] Embodiment 5 of the present invention: A comprehensive energy storage system coupled with mountain gravity and geothermal heat, comprising a mountain body 1, wherein the mountain body 1 comprises a mountain top, a hillside and a mountain bottom connected in sequence from top to bottom, a gravity energy storage system and a geothermal energy storage system are arranged on the mountain body 1, and a control system is connected to the gravity energy storage system and the geothermal energy storage system respectively, and the gravity energy storage system comprises a mountain top track 2, a hillside track 3, a mountain bottom track 4, a reel mechanism 5, a transport trolley 6, a gravity block 7, and a generator motor 8, the mountain top track 2, the hillside track 3 and the mountain bottom track 4 are connected in sequence, and the transport trolley 6 is slidably connected to the top track 2, the hillside track 3 and the bottom track 4, the gravity block 7 is placed on the transport trolley 6, the reel mechanism 5 is placed on the uphill of the hillside track 3, the generator motor 8 is connected to the reel mechanism 5, the control system is connected to the generator motor 8, the generator motor 8 is connected to the total power supply equipment and the power grid, and the geothermal energy storage system is also connected to the total power supply equipment and the power grid; the geothermal energy storage system includes a geothermal well 9, a geothermal heat exchanger 10, an energy storage device 11, a heat pump system 12 and a control device 13, the geothermal well 9, the geothermal heat exchanger 10, and the energy storage device 11 are connected in sequence by pipelines The heat pump system 12 pipeline is connected to the geothermal heat exchanger 10, the heat pump system 12 pipeline is connected to the energy storage device 11, the control device 13 is respectively connected to the geothermal well 9, the geothermal heat exchanger 10, the energy storage device 11, and the heat pump system 12, and the control device 13 is connected to the control system; the energy storage device 11 is connected to the thermal power generation device 14, the thermal power generation device 14 is connected to the generator motor 8, and the thermal power generation device 14 is connected to the power grid; the mountain top track 2 and the mountain bottom track 4 are both power supply tracks, and the transport trolley 6 is provided with a drive motor 15, a collector 16, and a battery 17 and electronic component assembly 18, the top track 2 and the bottom track 4 are connected to the main power supply equipment, the drive motor 15 is connected to the collector 16, the drive motor 15 is connected to the battery 17, the battery 17 is connected to the electronic component assembly 18, the electronic component assembly 18 is connected to the drive motor 15, and the collector 16 is slidably connected to the top track 2 and the bottom track 4; the transport trolley 6 is an open structure at the top, and a lifting device 19 is provided on the inner bottom surface of the transport trolley 6, the lifting device 19 is connected to the battery 17, and the lifting device 19 is connected to the electronic component assembly 18.

[0031] Embodiment 6 of the present invention: A comprehensive energy storage system coupled with mountain gravity and geothermal heat, comprising a mountain body 1, wherein the mountain body 1 comprises a mountain top, a hillside and a mountain bottom connected in sequence from top to bottom, a gravity energy storage system and a geothermal energy storage system are arranged on the mountain body 1, and a control system is connected to the gravity energy storage system and the geothermal energy storage system respectively, and the gravity energy storage system comprises a mountain top track 2, a hillside track 3, a mountain bottom track 4, a reel mechanism 5, a transport trolley 6, a gravity block 7, and a generator motor 8, wherein the mountain top track 2, the hillside track 3 and the mountain bottom track 4 are connected in sequence, and the transport trolley 6 is slidably connected to ... The top track 2, the hillside track 3 and the bottom track 4, the gravity block 7 is placed on the transport trolley 6, the reel mechanism 5 is placed on the uphill of the hillside track 3, the generator motor 8 is connected to the reel mechanism 5, the control system is connected to the generator motor 8, the generator motor 8 is connected to the total power supply equipment and the power grid, and the geothermal energy storage system is also connected to the total power supply equipment and the power grid; the geothermal energy storage system includes a geothermal well 9, a geothermal heat exchanger 10, an energy storage device 11, a heat pump system 12 and a control device 13, the geothermal well 9, the geothermal heat exchanger 10, the energy storage device 11 are connected in sequence by pipelines, and the heat pump system 12 is connected to the geothermal well 9 by pipelines. The heat exchanger 10 and the heat pump system 12 are connected to the energy storage device 11 through pipelines. The control device 13 is respectively connected to the geothermal well 9, the geothermal heat exchanger 10, the energy storage device 11, and the heat pump system 12. The control device 13 is connected to the control system. The energy storage device 11 is connected to a thermal power generation device 14, which is connected to a generator motor 8, and the thermal power generation device 14 is connected to a power grid. The mountain top track 2 and the mountain bottom track 4 are both power supply tracks. The transport trolley 6 is provided with a drive motor 15, a collector 16, a battery 17 and an electronic component assembly 18. The mountain top track 2 and the mountain bottom track The track 4 is connected to the main power supply equipment, the driving motor 15 is connected to the collector 16, the driving motor 15 is connected to the battery 17, the battery 17 is connected to the electronic component assembly 18, the electronic component assembly 18 is connected to the driving motor 15, and the collector 16 is slidably connected to the top track 2 and the bottom track 4; the transport trolley 6 is an open structure with a top opening, and a jacking device 19 is provided on the bottom surface of the transport trolley 6, the jacking device 19 is connected to the battery 17, and the jacking device 19 is connected to the electronic component assembly 18; the angle between the hillside track 3 and the bottom track 4 is 140-160°.

[0032] Embodiment 7 of the present invention: A comprehensive energy storage system coupled with mountain gravity and geothermal heat, comprising a mountain body 1, wherein the mountain body 1 comprises a mountain top, a hillside and a mountain bottom connected in sequence from top to bottom, a gravity energy storage system and a geothermal energy storage system are arranged on the mountain body 1, and a control system is connected to the gravity energy storage system and the geothermal energy storage system respectively, and the gravity energy storage system comprises a mountain top track 2, a hillside track 3, a mountain bottom track 4, a reel mechanism 5, a transport trolley 6, a gravity block 7, and a generator motor 8, the mountain top track 2, the hillside track 3 and the mountain bottom track 4 are connected in sequence, the transport trolley 6 is slidably connected to the mountain top track 2, the hillside track 3 and the mountain bottom track 4, and the gravity block 7 is arranged On the transport trolley 6, the reel mechanism 5 is placed on the uphill of the hillside track 3, the generator motor 8 is connected to the reel mechanism 5, the control system is connected to the generator motor 8, the generator motor 8 is connected to the main power supply equipment and the power grid, and the geothermal energy storage system is also connected to the main power supply equipment and the power grid; the geothermal energy storage system includes a geothermal well 9, a geothermal heat exchanger 10, an energy storage device 11, a heat pump system 12 and a control device 13, the geothermal well 9, the geothermal heat exchanger 10, and the energy storage device 11 are connected in sequence by pipelines, the heat pump system 12 is connected to the geothermal heat exchanger 10 by pipeline, the heat pump system 12 is connected to the energy storage device 11 by pipeline, and the control device 13 is connected to the geothermal well 9, the geothermal heat exchanger 10, and the heat pump system 12 is connected to the energy storage device 11 by pipeline. 0, energy storage device 11, heat pump system 12 are connected, control device 13 is connected to control system; the energy storage device 11 is connected to thermal power generation equipment 14, thermal power generation equipment 14 is connected to generator motor 8, thermal power generation equipment 14 is connected to power grid; the mountain top track 2 and mountain bottom track 4 are both power supply tracks, and the transport trolley 6 is provided with a drive motor 15, a collector device 16, a battery 17 and an electronic component assembly 18, the mountain top track 2 and mountain bottom track 4 are connected to the total power supply equipment, the drive motor 15 is connected to the collector device 16, the drive motor 15 is connected to the battery 17, the battery 17 is connected to the electronic component assembly 18, the electronic component assembly 18 is connected to the driving motor 15, and the collector 16 is slidably connected to the top track 2 and the bottom track 4; the transport trolley 6 is an open structure with a top opening, and a jacking device 19 is arranged on the inner bottom surface of the transport trolley 6, and the jacking device 19 is connected to the battery 17, and the jacking device 19 is connected to the electronic component assembly 18; the angle between the hillside track 3 and the bottom track 4 is 140-160°; the drum mechanism 5 includes a drum 20, a wire rope 21 and a hook 22, the rotating shaft of the drum 20 is connected to the generator motor 8, the wire rope 21 is wound around the drum 20, one end of the wire rope 21 is connected to the hook 22, and the hook 22 is detachably connected to the transport trolley 6.

[0033] Embodiment 8 of the present invention: A comprehensive energy storage system coupled with mountain gravity and geothermal heat, comprising a mountain body 1, wherein the mountain body 1 comprises a mountain top, a hillside and a mountain bottom connected in sequence from top to bottom, a gravity energy storage system and a geothermal energy storage system are arranged on the mountain body 1, and a control system is connected to the gravity energy storage system and the geothermal energy storage system respectively, and the gravity energy storage system comprises a mountain top track 2, a hillside track 3, a mountain bottom track 4, a reel mechanism 5, a transport trolley 6, a gravity block 7, and a generator motor 8, the mountain top track 2, the hillside track 3 and the mountain bottom track 4 are connected in sequence, the transport trolley 6 is slidably connected to the mountain top track 2, the hillside track 3 and the mountain bottom track 4, the gravity block 7 is placed on the transport trolley 6, and the reel mechanism 5 It is placed on the uphill part of the hillside track 3, the generator motor 8 is connected to the winding mechanism 5, the control system is connected to the generator motor 8, the generator motor 8 is connected to the main power supply equipment and the power grid, and the geothermal energy storage system is also connected to the main power supply equipment and the power grid; the geothermal energy storage system includes a geothermal well 9, a geothermal heat exchanger 10, an energy storage device 11, a heat pump system 12 and a control device 13, the geothermal well 9, the geothermal heat exchanger 10, and the energy storage device 11 are connected in sequence by pipelines, the heat pump system 12 is connected to the geothermal heat exchanger 10 by pipeline, the heat pump system 12 is connected to the energy storage device 11 by pipeline, the control device 13 is respectively connected to the geothermal well 9, the geothermal heat exchanger 10, the energy storage device 11, and the heat pump system 12, and the control device 13 is connected to the control device 13. control system; the energy storage device 11 is connected to a thermal power generation device 14, the thermal power generation device 14 is connected to a generator motor 8, and the thermal power generation device 14 is connected to the power grid; the mountain top track 2 and the mountain bottom track 4 are both power supply tracks, and the transport trolley 6 is provided with a drive motor 15, a collector 16, a battery 17 and an electronic component assembly 18, the mountain top track 2 and the mountain bottom track 4 are connected to the total power supply equipment, the drive motor 15 is connected to the collector 16, the drive motor 15 is connected to the battery 17, the battery 17 is connected to the electronic component assembly 18, the electronic component assembly 18 is connected to the drive motor 15, the collector 16 is slidably connected to the mountain top track 2 and the mountain bottom track 4; the transport trolley The vehicle 6 is an open structure with a top opening, and a lifting device 19 is arranged on the inner bottom surface of the transport trolley 6, and the lifting device 19 is connected to the battery 17, and the lifting device 19 is connected to the electronic component assembly 18; the angle between the hillside track 3 and the bottom track 4 is 140-160°; the drum mechanism 5 includes a drum 20, a wire rope 21 and a hook 22, the rotating shaft of the drum 20 is connected to the generator motor 8, the wire rope 21 is wound around the drum 20, one end of the wire rope 21 is connected to the hook 22, and the hook 22 is detachably connected to the transport trolley 6; a cave 23 is arranged in the mountain body 1, and the geothermal heat exchanger 10, the energy storage device 11, the heat pump system 12 and the control equipment 13 are all placed in the cave 23.

[0034] Embodiment 9 of the present invention: A comprehensive energy storage system coupled with mountain gravity and geothermal heat, comprising a mountain body 1, wherein the mountain body 1 comprises a mountain top, a hillside and a mountain bottom connected in sequence from top to bottom, a gravity energy storage system and a geothermal energy storage system are arranged on the mountain body 1, and a control system is connected to the gravity energy storage system and the geothermal energy storage system respectively, and the gravity energy storage system comprises a mountain top track 2, a hillside track 3, a mountain bottom track 4, a reel mechanism 5, a transport trolley 6, a gravity block 7, and a generator motor 8, the mountain top track 2, the hillside track 3 and the mountain bottom track 4 are connected in sequence, the transport trolley 6 is slidably connected to the mountain top track 2, the hillside track 3 and the mountain bottom track 4, the gravity block 7 is placed on the transport trolley 6, and the reel mechanism 5 is placed on the hillside track 3 At the uphill part, the generator motor 8 is connected to the winding mechanism 5, the control system is connected to the generator motor 8, the generator motor 8 is connected to the main power supply equipment and the power grid, and the geothermal energy storage system is also connected to the main power supply equipment and the power grid; the geothermal energy storage system includes a geothermal well 9, a geothermal heat exchanger 10, an energy storage device 11, a heat pump system 12 and a control device 13, the geothermal well 9, the geothermal heat exchanger 10, the energy storage device 11 are connected in sequence by pipelines, the heat pump system 12 is connected to the geothermal heat exchanger 10 by pipeline, the heat pump system 12 is connected to the energy storage device 11 by pipeline, the control device 13 is respectively connected to the geothermal well 9, the geothermal heat exchanger 10, the energy storage device 11, and the heat pump system 12, and the control device 13 is connected to the control system; the energy storage device 1 1 is connected to a thermal power generation device 14, the thermal power generation device 14 is connected to a generator motor 8, and the thermal power generation device 14 is connected to a power grid; the mountain top track 2 and the mountain bottom track 4 are both power supply tracks, and the transport trolley 6 is provided with a drive motor 15, a collector 16, a battery 17 and an electronic component assembly 18, the mountain top track 2 and the mountain bottom track 4 are connected to the total power supply device, the drive motor 15 is connected to the collector 16, the drive motor 15 is connected to the battery 17, the battery 17 is connected to the electronic component assembly 18, the electronic component assembly 18 is connected to the drive motor 15, and the collector 16 is slidably connected to the mountain top track 2 and the mountain bottom track 4; the transport trolley 6 is an open structure with a top opening, and the bottom of the transport trolley 6 is The surface is provided with a lifting device 19, which is connected to the battery 17, and the lifting device 19 is connected to the electronic component assembly 18; the angle between the hillside track 3 and the bottom track 4 is 140-160°; the drum mechanism 5 includes a drum 20, a wire rope 21 and a hook 22, the rotating shaft of the drum 20 is connected to the generator motor 8, the wire rope 21 is wound around the drum 20, one end of the wire rope 21 is connected to the hook 22, and the hook 22 is detachably connected to the transport trolley 6; a cave 23 is provided in the mountain body 1, and the geothermal heat exchanger 10, the energy storage device 11, the heat pump system 12 and the control device 13 are all placed in the cave 23; the energy storage device 11 includes a heat storage tank and a medium, and the medium is placed in the heat storage tank.

[0035] Embodiment 10 of the present invention: A comprehensive energy storage system coupled with mountain gravity and geothermal heat, comprising a mountain body 1, wherein the mountain body 1 comprises a mountain top, a hillside and a mountain bottom connected in sequence from top to bottom, a gravity energy storage system and a geothermal energy storage system are arranged on the mountain body 1, and a control system is respectively connected to the gravity energy storage system and the geothermal energy storage system, the gravity energy storage system comprises a mountain top track 2, a hillside track 3, a mountain bottom track 4, a reel mechanism 5, a transport trolley 6, a gravity block 7, and a generator motor 8, the mountain top track 2, the hillside track 3 and the mountain bottom track 4 are connected in sequence, the transport trolley 6 is slidably connected to the mountain top track 2, the hillside track 3 and the mountain bottom track 4, the gravity block 7 is placed on the transport trolley 6, the reel mechanism 5 is placed on the uphill part of the hillside track 3, and the generator motor 8 is provided. The motor 8 is connected to the reel mechanism 5, the control system is connected to the generator motor 8, the generator motor 8 is connected to the main power supply equipment and the power grid, and the geothermal energy storage system is also connected to the main power supply equipment and the power grid; the geothermal energy storage system includes a geothermal well 9, a geothermal heat exchanger 10, an energy storage device 11, a heat pump system 12 and a control device 13, the geothermal well 9, the geothermal heat exchanger 10, the energy storage device 11 are connected in sequence by pipelines, the heat pump system 12 is connected to the geothermal heat exchanger 10 by pipeline, the heat pump system 12 is connected to the energy storage device 11 by pipeline, the control device 13 is respectively connected to the geothermal well 9, the geothermal heat exchanger 10, the energy storage device 11, and the heat pump system 12, and the control device 13 is connected to the control system; the energy storage device 11 is connected to a thermal power generation device 14, and the thermal energy The power generation equipment 14 is connected to the generator motor 8, and the thermal power generation equipment 14 is connected to the power grid; the mountain top track 2 and the mountain bottom track 4 are both power supply tracks, and the transport trolley 6 is provided with a drive motor 15, a collector 16, a battery 17 and an electronic component assembly 18, the mountain top track 2 and the mountain bottom track 4 are connected to the total power supply equipment, the drive motor 15 is connected to the collector 16, the drive motor 15 is connected to the battery 17, the battery 17 is connected to the electronic component assembly 18, the electronic component assembly 18 is connected to the drive motor 15, and the collector 16 is slidably connected to the mountain top track 2 and the mountain bottom track 4; the transport trolley 6 is an open structure with a top opening, and a jacking device 19 is provided on the inner bottom surface of the transport trolley 6, and the jacking device 19 is connected to the battery 17 The lifting device 19 is connected to the electronic component assembly 18; the angle between the hillside track 3 and the bottom track 4 is 140-160°; the drum mechanism 5 includes a drum 20, a wire rope 21 and a hook 22, the rotating shaft of the drum 20 is connected to the generator motor 8, the wire rope 21 is wound around the drum 20, one end of the wire rope 21 is connected to the hook 22, and the hook 22 is detachably connected to the transport trolley 6; a cave 23 is provided in the mountain body 1, and the geothermal heat exchanger 10, the energy storage device 11, the heat pump system 12 and the control device 13 are all placed in the cave 23; the energy storage device 11 includes a heat storage tank and a medium, and the medium is placed in the heat storage tank; the medium is a crystalline hydrated salt, a molten salt, a paraffin, a fatty acid ester or an alcohol.

[0036] Embodiment 11 of the present invention: A comprehensive energy storage system coupled with mountain gravity and geothermal heat, comprising a mountain body 1, wherein the mountain body 1 comprises a mountain top, a hillside and a mountain bottom connected in sequence from top to bottom, a gravity energy storage system and a geothermal energy storage system are arranged on the mountain body 1, and a control system is connected to the gravity energy storage system and the geothermal energy storage system respectively, and the gravity energy storage system comprises a mountain top track 2, a hillside track 3, a mountain bottom track 4, a reel mechanism 5, a transport trolley 6, a gravity block 7, and a generator motor 8, the mountain top track 2, the hillside track 3 and the mountain bottom track 4 are connected in sequence, the transport trolley 6 is slidably connected to the mountain top track 2, the hillside track 3 and the mountain bottom track 4, the gravity block 7 is placed on the transport trolley 6, and the reel mechanism 5 is placed on the hillside track 3 At the uphill position, the generator motor 8 is connected to the winding mechanism 5, the control system is connected to the generator motor 8, the generator motor 8 is connected to the main power supply equipment and the power grid, and the geothermal energy storage system is also connected to the main power supply equipment and the power grid; the geothermal energy storage system includes a geothermal well 9, a geothermal heat exchanger 10, an energy storage device 11, a heat pump system 12 and a control device 13, the geothermal well 9, the geothermal heat exchanger 10, and the energy storage device 11 are connected in sequence by pipelines, the heat pump system 12 is connected to the geothermal heat exchanger 10 by pipeline, the heat pump system 12 is connected to the energy storage device 11 by pipeline, the control device 13 is respectively connected to the geothermal well 9, the geothermal heat exchanger 10, the energy storage device 11, and the heat pump system 12, and the control device 13 is connected to the control system; the energy storage device 11 is connected to Thermal power generation equipment 14, thermal power generation equipment 14 is connected to the generator motor 8, and thermal power generation equipment 14 is connected to the power grid; the mountain top track 2 and the mountain bottom track 4 are both power supply tracks, and the transport trolley 6 is provided with a drive motor 15, a collector 16, a battery 17 and an electronic component assembly 18, the mountain top track 2 and the mountain bottom track 4 are connected to the total power supply equipment, the drive motor 15 is connected to the collector 16, the drive motor 15 is connected to the battery 17, the battery 17 is connected to the electronic component assembly 18, the electronic component assembly 18 is connected to the drive motor 15, and the collector 16 is slidably connected to the mountain top track 2 and the mountain bottom track 4; the transport trolley 6 is an open structure with a top opening, and a jacking device is provided on the inner bottom surface of the transport trolley 6 Device 19, the lifting device 19 is connected to the battery 17, and the lifting device 19 is connected to the electronic component assembly 18; the angle between the hillside track 3 and the bottom track 4 is 140°; the drum mechanism 5 includes a drum 20, a wire rope 21 and a hook 22, the rotating shaft of the drum 20 is connected to the generator motor 8, the wire rope 21 is wound around the drum 20, one end of the wire rope 21 is connected to the hook 22, and the hook 22 is detachably connected to the transport trolley 6; a cave 23 is provided in the mountain body 1, and the geothermal heat exchanger 10, the energy storage device 11, the heat pump system 12 and the control device 13 are all placed in the cave 23; the energy storage device 11 includes a heat storage tank and a medium, and the medium is placed in the heat storage tank; the medium is a crystalline hydrated salt.

[0037] Embodiment 12 of the present invention: A comprehensive energy storage system coupled with mountain gravity and geothermal heat, comprising a mountain body 1, wherein the mountain body 1 comprises a mountain top, a hillside and a mountain bottom connected in sequence from top to bottom, a gravity energy storage system and a geothermal energy storage system are arranged on the mountain body 1, and a control system is connected to the gravity energy storage system and the geothermal energy storage system respectively, and the gravity energy storage system comprises a mountain top track 2, a hillside track 3, a mountain bottom track 4, a reel mechanism 5, a transport trolley 6, a gravity block 7, and a generator motor 8, the mountain top track 2, the hillside track 3 and the mountain bottom track 4 are connected in sequence, the transport trolley 6 is slidably connected to the mountain top track 2, the hillside track 3 and the mountain bottom track 4, the gravity block 7 is placed on the transport trolley 6, and the reel mechanism 5 is placed on the hillside track 3 At the uphill position, the generator motor 8 is connected to the winding mechanism 5, the control system is connected to the generator motor 8, the generator motor 8 is connected to the main power supply equipment and the power grid, and the geothermal energy storage system is also connected to the main power supply equipment and the power grid; the geothermal energy storage system includes a geothermal well 9, a geothermal heat exchanger 10, an energy storage device 11, a heat pump system 12 and a control device 13, the geothermal well 9, the geothermal heat exchanger 10, and the energy storage device 11 are connected in sequence by pipelines, the heat pump system 12 is connected to the geothermal heat exchanger 10 by pipeline, the heat pump system 12 is connected to the energy storage device 11 by pipeline, the control device 13 is respectively connected to the geothermal well 9, the geothermal heat exchanger 10, the energy storage device 11, and the heat pump system 12, and the control device 13 is connected to the control system; the energy storage device 11 is connected There is a thermal power generation device 14, which is connected to the generator motor 8, and the thermal power generation device 14 is connected to the power grid; the mountain top track 2 and the mountain bottom track 4 are both power supply tracks, and the transport trolley 6 is provided with a drive motor 15, a collector 16, a battery 17 and an electronic component assembly 18, the mountain top track 2 and the mountain bottom track 4 are connected to the total power supply equipment, the drive motor 15 is connected to the collector 16, the drive motor 15 is connected to the battery 17, the battery 17 is connected to the electronic component assembly 18, the electronic component assembly 18 is connected to the drive motor 15, and the collector 16 is slidably connected to the mountain top track 2 and the mountain bottom track 4; the transport trolley 6 is an open structure with a top opening, and the inner bottom surface of the transport trolley 6 is provided with a top Lifting device 19, jacking device 19 is connected to battery 17, jacking device 19 is connected to electronic component assembly 18; the angle between the hillside track 3 and the bottom track 4 is 150°; the drum mechanism 5 includes a drum 20, a wire rope 21 and a hook 22, the rotating shaft of the drum 20 is connected to the generator motor 8, the wire rope 21 is wound around the drum 20, one end of the wire rope 21 is connected to the hook 22, and the hook 22 is detachably connected to the transport trolley 6; a cave 23 is arranged in the mountain body 1, and the geothermal heat exchanger 10, the energy storage device 11, the heat pump system 12 and the control device 13 are all placed in the cave 23; the energy storage device 11 includes a heat storage tank and a medium, and the medium is placed in the heat storage tank; the medium is molten salt.

[0038] Embodiment 13 of the present invention: A comprehensive energy storage system coupled with mountain gravity and geothermal heat, comprising a mountain body 1, wherein the mountain body 1 comprises a mountain top, a hillside and a mountain bottom connected in sequence from top to bottom, a gravity energy storage system and a geothermal energy storage system are arranged on the mountain body 1, and a control system is connected to the gravity energy storage system and the geothermal energy storage system respectively, and the gravity energy storage system comprises a mountain top track 2, a hillside track 3, a mountain bottom track 4, a reel mechanism 5, a transport trolley 6, a gravity block 7, and a generator motor 8, the mountain top track 2, the hillside track 3 and the mountain bottom track 4 are connected in sequence, the transport trolley 6 is slidably connected to the mountain top track 2, the hillside track 3 and the mountain bottom track 4, the gravity block 7 is placed on the transport trolley 6, and the reel mechanism 5 is placed on the hillside track 3 At the uphill position, the generator motor 8 is connected to the winding mechanism 5, the control system is connected to the generator motor 8, the generator motor 8 is connected to the main power supply equipment and the power grid, and the geothermal energy storage system is also connected to the main power supply equipment and the power grid; the geothermal energy storage system includes a geothermal well 9, a geothermal heat exchanger 10, an energy storage device 11, a heat pump system 12 and a control device 13, the geothermal well 9, the geothermal heat exchanger 10, and the energy storage device 11 are connected in sequence by pipelines, the heat pump system 12 is connected to the geothermal heat exchanger 10 by pipeline, the heat pump system 12 is connected to the energy storage device 11 by pipeline, the control device 13 is respectively connected to the geothermal well 9, the geothermal heat exchanger 10, the energy storage device 11, and the heat pump system 12, and the control device 13 is connected to the control system; the energy storage device 11 is connected There is a thermal power generation device 14, which is connected to the generator motor 8, and the thermal power generation device 14 is connected to the power grid; the mountain top track 2 and the mountain bottom track 4 are both power supply tracks, and the transport trolley 6 is provided with a drive motor 15, a collector 16, a battery 17 and an electronic component assembly 18, the mountain top track 2 and the mountain bottom track 4 are connected to the total power supply equipment, the drive motor 15 is connected to the collector 16, the drive motor 15 is connected to the battery 17, the battery 17 is connected to the electronic component assembly 18, the electronic component assembly 18 is connected to the drive motor 15, and the collector 16 is slidably connected to the mountain top track 2 and the mountain bottom track 4; the transport trolley 6 is an open structure with a top opening, and the inner bottom surface of the transport trolley 6 is provided with a top Lifting device 19, jacking device 19 is connected to battery 17, jacking device 19 is connected to electronic component assembly 18; the angle between the hillside track 3 and the bottom track 4 is 160°; the drum mechanism 5 includes a drum 20, a wire rope 21 and a hook 22, the rotating shaft of the drum 20 is connected to the generator motor 8, the wire rope 21 is wound around the drum 20, one end of the wire rope 21 is connected to the hook 22, and the hook 22 is detachably connected to the transport trolley 6; a cave 23 is arranged in the mountain body 1, and the geothermal heat exchanger 10, the energy storage device 11, the heat pump system 12 and the control device 13 are all placed in the cave 23; the energy storage device 11 includes a heat storage tank and a medium, and the medium is placed in the heat storage tank; the medium is fatty acid ester.

[0039] The working principle of an embodiment of the present invention is as follows: when the present invention is working, the current collecting device 16 collects electricity and stores it in the battery 17, and the battery 17 supplies power to the driving motor 15 of the transport trolley 6, so that the transport trolley 6 runs along the mountain top track 2 and the mountain bottom track 4. When the gravity energy storage system stores energy, the transport trolley 6 is loaded with the gravity block 7 and runs along the mountain bottom track 4 to the lower end of the hillside track 3. The hook 22 is connected to the transport trolley 6, and the gravity block 7 placed in the transport trolley 6 runs upward along the hillside track 3. The wire rope 21 of the drum 20 lifts the transport trolley 6 to the upper end of the hillside track 3. The hook 22 is disconnected from the transport trolley 6. The transport trolley 6 is driven by the driving motor 15 to run along the mountain top track 2, completing the energy storage of the gravity energy storage system; when the gravity energy storage system releases energy, the transport trolley 6 is driven by the driving motor 15 to run along the mountain top track 2. The transport trolley 6 is loaded with the gravity block 7 and runs along the mountain top track 2 to the upper end of the hillside track 3. The hook 22 The gravity block 7 connected to the transport trolley 6 and placed in the transport trolley 6 runs downward along the hillside track 3. Under the action of gravity, the steel wire rope 21 drives the drum 20 to rotate, and the rotating shaft of the drum 20 drives the generator motor 8 to generate electricity and supply it to the power grid, completing the energy release of the gravity energy storage system; when the geothermal energy storage system stores energy, the geothermal heat exchanger 10 is connected to the geothermal well 9 through a pipeline, and the geothermal fluid exchanges heat with the medium in the geothermal heat exchanger 10 to transfer heat energy to the medium. At the same time, the geothermal fluid is cooled and then re-injected into the underground through another system to maintain the stability of the heat reservoir. The energy storage device 11 is connected to the geothermal heat exchanger 10 through a pipeline, receives the heated medium, and stores it in a heat storage tank with good thermal insulation performance, completing the energy storage of the geothermal energy storage system; when the geothermal energy storage system releases energy, the medium generates electricity through the thermal power generation equipment 14 and supplies it to the generator motor 8 and the power grid, and the medium is heated again through the heat pump system 12 and supplied to the factory heating and other users.

Claims

1. A comprehensive energy storage system relying on the coupling of mountain gravity and geothermal energy, comprising a mountain body (1), characterized in that: The mountain body (1) comprises a mountain top, a hillside and a mountain bottom which are connected in sequence from top to bottom. A gravity energy storage system and a geothermal energy storage system are arranged on the mountain body (1). The control system is connected to the gravity energy storage system and the geothermal energy storage system respectively. The gravity energy storage system comprises a mountain top track (2), a hillside track (3), a mountain bottom track (4), a reel mechanism (5), a transport trolley (6), a gravity block (7) and a generator motor (8). The mountain top track (2), the hillside track (3) and the mountain bottom track (4) are connected in sequence. The transport trolley (6) is slidably connected to the mountain top track (2), the hillside track (3) and the mountain bottom track (4). The gravity block (7) is placed on the transport trolley (6). The reel mechanism (5) is placed on the uphill part of the hillside track (3). The generator motor (8) is connected to the reel mechanism (5). The control system is connected to the generator motor (8). The generator motor (8) is connected to a total power supply device and a power grid. The geothermal energy storage system is also connected to the total power supply device and the power grid.

2. The integrated energy storage system based on mountain gravity and geothermal coupling according to claim 1 is characterized in that: The geothermal energy storage system comprises a geothermal well (9), a geothermal heat exchanger (10), an energy storage device (11), a heat pump system (12) and a control device (13); the geothermal well (9), the geothermal heat exchanger (10) and the energy storage device (11) are connected in sequence by pipelines; the heat pump system (12) is connected to the geothermal heat exchanger (10) by pipeline; the heat pump system (12) is connected to the energy storage device (11) by pipeline; the control device (13) is connected to the geothermal well (9), the geothermal heat exchanger (10), the energy storage device (11) and the heat pump system (12) respectively; and the control device (13) is connected to the control system.

3. The integrated energy storage system based on mountain gravity and geothermal coupling according to claim 2 is characterized in that: The energy storage device (11) is connected to a thermal energy power generation device (14), the thermal energy power generation device (14) is connected to a generator motor (8), and the thermal energy power generation device (14) is connected to a power grid.

4. The integrated energy storage system based on mountain gravity and geothermal coupling according to claim 2 is characterized in that: The mountain top track (2) and the mountain bottom track (4) are both power supply tracks. The transport trolley (6) is provided with a driving motor (15), a power collection device (16), a storage battery (17) and an electronic component assembly (18). The mountain top track (2) and the mountain bottom track (4) are connected to a total power supply device. The driving motor (15) is connected to the power collection device (16). The driving motor (15) is connected to the storage battery (17). The storage battery (17) is connected to the electronic component assembly (18). The electronic component assembly (18) is connected to the driving motor (15). The power collection device (16) is slidably connected to the mountain top track (2) and the mountain bottom track (4).

5. The integrated energy storage system based on mountain gravity and geothermal coupling according to claim 4 is characterized in that: The transport trolley (6) is a top-open structure, and a lifting device (19) is provided on the inner bottom surface of the transport trolley (6). The lifting device (19) is connected to the storage battery (17), and the lifting device (19) is connected to the electronic component assembly (18).

6. The integrated energy storage system based on mountain gravity and geothermal coupling according to claim 1 is characterized in that: The included angle between the hillside track (3) and the bottom track (4) is 140-160°.

7. The integrated energy storage system based on mountain gravity and geothermal coupling according to claim 1 is characterized in that: The reel mechanism (5) comprises a reel (20), a steel wire rope (21) and a hook (22); the rotating shaft of the reel (20) is connected to the generator motor (8); the steel wire rope (21) is wound around the reel (20); one end of the steel wire rope (21) is connected to the hook (22); and the hook (22) is detachably connected to the transport trolley (6).

8. The integrated energy storage system based on mountain gravity and geothermal coupling according to claim 2 is characterized in that: A cave (23) is provided in the mountain body (1), and the geothermal heat exchanger (10), the energy storage device (11), the heat pump system (12) and the control device (13) are all placed in the cave (23).

9. The integrated energy storage system based on mountain gravity and geothermal coupling according to claim 2 is characterized in that: The energy storage device (11) comprises a heat storage tank and a medium, wherein the medium is placed in the heat storage tank.

10. The integrated energy storage system based on mountain gravity and geothermal coupling according to claim 9, characterized in that: The medium is crystalline hydrated salts, molten salts, paraffins, fatty acid esters or alcohols.

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