CN115276057A - Building cold and hot energy supply system based on gravity energy storage - Google Patents
Building cold and hot energy supply system based on gravity energy storage Download PDFInfo
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- CN115276057A CN115276057A CN202211175497.1A CN202211175497A CN115276057A CN 115276057 A CN115276057 A CN 115276057A CN 202211175497 A CN202211175497 A CN 202211175497A CN 115276057 A CN115276057 A CN 115276057A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G3/00—Other motors, e.g. gravity or inertia motors
- F03G3/087—Gravity or weight motors
- F03G3/094—Gravity or weight motors specially adapted for potential energy power storage stations; combinations of gravity or weight motors with electric motors or generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J15/00—Systems for storing electric energy
- H02J15/007—Systems for storing electric energy involving storage in the form of mechanical energy, e.g. fly-wheels
Abstract
The invention belongs to the technical field of building energy conservation, and discloses a building cold and heat energy supply system based on gravity energy storage.
Description
Technical Field
The invention belongs to the technical field of building energy conservation, and particularly relates to a cold and hot energy supply system of a building based on gravity energy storage.
Background
The gravity energy storage technology is a new energy storage technology and has great development potential. The energy storage process and the energy release process are completed through the mutual conversion of the gravitational potential energy and the kinetic energy, and compared with other energy storage methods, the energy storage method has obvious advantages in the aspect of efficiency.
The existing gravity energy storage system is single in design function, usually only stores energy and generates electricity, and cannot meet diversified requirements when used for an urban peak-valley electricity energy storage system, more than 50% of energy consumption of buildings in China is cold and hot requirements, and therefore a new frame type gravity energy storage and cold and heat accumulation coupling system needs to be designed to meet the requirement of urban function diversification.
Disclosure of Invention
Therefore, the invention aims to overcome the defects in the prior art and provide a building cold and heat energy supply system based on gravity energy storage, which can meet the cold and heat requirements of urban buildings.
The invention aims to solve the technical scheme that the cold and hot energy supply system based on gravity energy storage for the building comprises a frame, a cold and hot energy supply device and a hot energy supply device, wherein the frame at least comprises an upper platform and a lower platform; the gravity conversion system is arranged on the frame and comprises a hoisting mechanism and a heavy block, and the hoisting mechanism is connected with the heavy block so as to drag or release the heavy block to move between the upper platform and the lower platform along the vertical direction; the temperature storage system comprises a temperature making device and a temperature storage device, and the temperature making device and the temperature storage device are connected to convey a temperature medium to the temperature storage device for temperature storage; the temperature exchange system comprises a temperature exchange device and a user side device, wherein the temperature exchange device is circularly connected with the temperature storage device through a second pipeline so as to exchange temperature with the temperature storage device, and is circularly connected with the user side device through a third pipeline so as to exchange temperature with the user side device; the power generation device and the driving device electrically connected with the mains supply are arranged on the frame and are electrically connected with each other, first transmission is arranged between the power generation device and the hoisting mechanism, and second transmission and third transmission are respectively arranged between the driving device and the hoisting mechanism as well as between the driving device and the temperature making device; the system is characterized by further comprising a control device, wherein the control device is used for respectively controlling the disconnection of the first transmission, the second transmission and the third transmission so as to be suitable for storing energy of the mains supply and releasing energy for the temperature-making device to make the temperature and store the temperature according to the peak-valley power of the mains supply and the temperature requirement of a user side through the gravity conversion system.
The invention combines the gravity energy storage with the building cold and heat energy supply through the frame bearing gravity conversion system, can adjust the building cold and heat energy source according to the peak-valley electricity of the commercial power, namely, the energy is stored in a gravity mode when the commercial power is in the valley electricity, and the energy is released and the building is cooled and heated in a gravity mode when the commercial power is in the peak electricity, thereby saving the building cold and heat supply cost.
Further, according to the cold and heat energy supply system for the building, the heating device comprises a compressor and a condenser, and the compressor and the condenser are circularly connected with the temperature storage device through a first pipeline so as to convey the temperature medium to the temperature storage device for temperature storage.
Further, the heating device comprises a compressor, the driving device is a double-shaft motor, an output shaft at one end of the double-shaft motor is connected with the winding mechanism through the second transmission, and an output shaft at the other end of the double-shaft motor is connected with the compressor through the third transmission.
Further, the gravity conversion system of the cold and heat energy supply system for buildings of the invention further comprises a horizontal sliding device which is arranged on the upper platform and/or the lower platform and is suitable for driving the weight to move horizontally on the upper platform and/or the lower platform.
Furthermore, the frame of the cold and heat energy supply system for buildings of the invention further comprises a middle platform arranged between the upper platform and the lower platform, the heat storage system is arranged in the middle area of the middle platform, and the movement channel for the weight block to move in the vertical direction between the upper platform and the lower platform under the traction or release of the hoisting mechanism is positioned in the peripheral area of the frame, so that the movement of the weight block in the vertical direction is suitable for not interfering with the heat storage system on the middle platform.
Further, the frame of the cold and heat energy supply system for the building further comprises a frame top arranged above the upper platform, and the heat storage system is arranged on the frame top.
Further, in the cold and heat energy supply system for a building according to the present invention, the winding mechanism, the heating device, the power generation device and/or the driving device includes a cold and heat water jacket, and the temperature exchanging device is connected to the circulation volume of the cold and heat water jacket through a fourth pipeline so as to exchange temperature with the cold and heat water jacket.
Furthermore, the cold and heat energy supply system for the building further comprises a new energy power generation device, and the new energy power generation device is electrically connected with the driving device.
Furthermore, the cold and heat energy supply system for the building further comprises an outdoor elevator system, an elevator traction motor and an elevator hoisting mechanism of the outdoor elevator system are arranged on the frame, the elevator traction motor is electrically connected with the commercial power, the new energy power generation device and/or the power generation device, and fourth transmission and fifth transmission are respectively arranged between the elevator hoisting mechanism and the elevator traction motor and between the elevator hoisting mechanism and the driving device.
Further, the cold and heat energy supply system for buildings of the invention further comprises a weight loading and unloading system, wherein the weight loading and unloading system comprises a stretching mechanism and a lifting mechanism, the stretching mechanism is arranged on the upper platform and/or the lower platform and stretches out of the frame and the building along the horizontal direction from the platform, and the lifting mechanism is arranged at the end part of the stretching mechanism so as to be suitable for driving the weight to move along the vertical direction between the stretching mechanism and the ground at the bottom of the building.
Through the technical scheme, the invention can realize the following effects:
the invention couples gravity energy storage with cold and hot energy supply of buildings, and meets the diversified requirements of urban peak-valley electricity energy storage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram illustrating the operation of a cold and heat energy supply system for a building according to the present invention;
fig. 2 is a schematic diagram of the arrangement of the cold and heat energy supply system of the building.
Reference numerals are as follows:
11-an upper platform, 12-a lower platform, 13-a middle platform, 14-a frame top, 21-a hoisting mechanism, 22-a weight, 23-a horizontal sliding device, 31-a compressor, 32-a condenser, 33-a heat storage device, 34-a cooling tower, 35-a four-way reversing valve, 41-a temperature exchange device, 51-a power generation device, 52-a driving device, 61-a first transmission, 62-a second transmission, 63-a third transmission, 71-a first circulating water pump, 72-an expansion valve, 73-a second circulating water pump and 74-a third circulating water pump.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
The gravity energy storage is a new energy storage mode, is mainly applied to energy storage occasions of new energy power generation such as wind energy, solar energy and the like, and because the new energy power generation has low power generation stability and poor continuity, the new energy power generation is stored through the gravity energy storage, so that the energy is stably and continuously output.
The gravity energy storage is mainly used for matching with a large-scale new energy power plant at present due to the large field required by the construction of the gravity energy storage, and the construction condition of the gravity energy storage is not provided for the new energy power generation (such as building solar power generation) occasions of urban buildings. On the other hand, the use of coal in the cold and heat energy supply of urban buildings, especially in the heat supply, can cause emission pollution, the use of the commercial power grid for refrigeration and heating can be limited by the peak and valley of the commercial power, the power load of the power grid is exceeded in the peak of power consumption, the risk of power failure and shutdown of equipment exists, and the electricity price of some urban peak power is higher, so that the cold and heat energy supply cost of the buildings is greatly improved.
The cold and heat energy supply system of the building of the present invention, as shown in fig. 1 and 2, includes a frame, a gravity conversion system, a thermal storage system, a temperature exchange system, a power generation device 51, a driving device 52, a new energy power generation device, an outdoor elevator system, and a weight loading and unloading system.
Frame structure
The frame is used for carrying the gravity conversion system and other functional components and comprises a frame top 14, an upper platform 11, a lower platform 12 and a middle platform 13, wherein the frame top 14 is positioned above the upper platform 11, and the middle platform 13 is positioned between the upper platform 11 and the lower platform 12. The upper platform 11 and the lower platform 12 are used for placing the weight 22 and other functional components, such as a horizontal sliding device, a weight loading and unloading system and the like, and the frame top 14 is used for arranging a power generation device 51, a driving device 52, a new energy power generation device and the like.
In another embodiment, there may be a plurality of upper platforms 11 and a plurality of lower platforms 12, so as to increase the number of the weight 22 to increase the gravity energy storage capacity, and to pull or release the weight 22 between the specific upper platform 11 and the specific lower platform 12 according to different stored or released energy, thereby achieving gear adjustment type energy storage.
The present invention provides a frame that can carry the entire cold and hot energy supply system, and in one embodiment, the frame is directly installed on the top of the building, integrating the energy storage and cold and hot energy supply system on the top of the building, saving space and reducing the piping distance to the user end devices, while at the same time, conventional building top structures, such as communication signal transmission towers, can also be directly installed on the frame top 14. In another embodiment, the frame may be installed on the ground, an open place such as a square of a community.
Gravity conversion system
The gravity conversion system is used to convert the electrical energy and gravitational potential energy of the weight 22 to each other. The gravity conversion system of the present invention includes a winding mechanism 21 and a weight 22, and the winding mechanism 21 is connected to the weight 22 to pull or release the weight 22 to move in a vertical direction between the upper platform 11 and the lower platform 12. The number of the weight 22 may be one or more, preferably a plurality of, and the rope of the winding mechanism 21 is connected to the weight 22 by a mechanism such as a clamping jaw, a tray, a hook, a magnetic suction cup or a vacuum suction cup. When energy storage is needed, the driving device 52 drives the hoisting mechanism 21 to hoist part or all of the weights 22 from the lower platform 12 to the upper platform 11 one by one, so that electric energy is converted into gravitational potential energy; when energy release is needed, the hoisting mechanism 21 lowers part or all of the weights 22 from the upper platform 11 to the lower platform 12 one by one, and the hoisting mechanism 21 drives the power generation device 51 to rotate, so that gravitational potential energy is converted into electric energy; during the descending process of the weight 22, the hoisting mechanism 21 can also drive the compressor 31 of the temperature device to rotate, thereby realizing the cooling and heating of the medium. In one embodiment, the medium is water, an aqueous solution of ethylene glycol, or an aqueous solution of NaCl.
In order to increase the number of the weight blocks 22 to be placed and improve the gravity energy storage capacity, horizontal sliding devices 23 are arranged on the upper platform 11 and the lower platform 12, in one embodiment, the hoisting mechanism 21 is arranged in the peripheral area of the top of the frame, for example, the corner area of the peripheral area, so as to drive the weight blocks 22 to lift in the vertical direction in the corner area, and when the weight blocks are lifted to the upper platform 11, the weight blocks 22 are horizontally moved to the other side of the upper platform 11 through the horizontal sliding devices 23 to give way for the subsequent weight blocks 22; when the weight 22 needs to be lowered, the weight 22 is horizontally moved back to the corner region on the side of the upper platform 11 by the horizontal sliding device 23, so that the hoisting mechanism 21 is connected with the weight 22 to be lowered. In another embodiment, another hoisting mechanism 21 may be additionally provided on the other side of the frame top 14, the horizontal sliding device 23 moves the weight 22 between two hoisting mechanisms 21, one hoisting mechanism 21 is used for lifting the weight 22, the other hoisting mechanism 21 is used for lowering the weight 22, and the horizontal sliding device 23 of the lower platform 12 is far from the same.
In one embodiment, a position sensor is provided to accurately detect the position of the clamping jaw, the tray, the hook, the magnetic chuck or the vacuum chuck, the weight 22 may be arranged in a single layer or multiple layers, each layer corresponds to a horizontal sliding device, and the weight 22 stops after reaching a set position to perform a horizontal movement.
Thermal storage system
The thermal storage system is used for preparing a cold medium and/or a hot medium for use by a user-end device. The temperature storage system of the invention includes a temperature control device and a temperature storage device 33 that are connected to deliver a temperature medium to the temperature storage device 33 for storage. The temperature device can be used for independent refrigeration, independent heating or simultaneous refrigeration and heating. In one embodiment, the warming device comprises a compressor 31 and a condenser 32, and the compressor 31 and the condenser 32 are circularly connected with the temperature storage device 33 through a first pipeline to convey a medium to the temperature storage device 33 for temperature storage. In the embodiment of independent refrigeration, the condenser is provided with a cooling tower 34, and the cooling tower 34 is used as a cold source in the refrigeration mode to refrigerate the medium. In a separate heating embodiment, the condenser may be used without a cooling tower 34, and the heating mode uses an air source as a heat source to heat the medium. In the embodiment of refrigeration and heating, the condenser is also provided with a cooling tower 34 in a matching way, the cooling tower 34 is used as a cold source during refrigeration, and an air source is used as a heat source in a heating mode.
Specifically, the first pipe line has a four-way selector valve 35 and an expansion valve 71, and the pipe line between the cooling tower 34 and the condenser 32 also has a first circulating water pump 71. In one embodiment, the thermal storage device 33 has a finned tube structure, and the cooling capacity of the refrigerant medium is stored in the form of ice and the heating capacity of the heating medium is stored in the form of hot water.
In order to improve the system integration, the thermal storage system of the present invention is disposed in the middle of the middle platform 13, especially the middle area of the middle platform 13, and since the movement path of the weight 22 drawn or released by the winding mechanism 21 to move in the vertical direction between the upper platform 11 and the lower platform 12 is located in the peripheral area of the frame, the movement of the weight 22 in the vertical direction does not interfere with the thermal storage system in the middle platform 13. In another embodiment, the thermal storage device may also be disposed on the frame top 14.
Temperature crossSystem for changing
The temperature exchanging system is used for exchanging the cool and hot temperatures in the thermal storage device 33 to the user device. The temperature exchanging system of the present invention includes a temperature exchanging device 41 and a user end device, wherein the temperature exchanging device 41 is circularly connected with the thermal storage device 33 through a second pipeline to exchange the temperature with the thermal storage device 33, and is circularly connected with the user end device through a third pipeline to exchange the temperature with the user end device. In one embodiment, the temperature exchanging device 41 is a plate heat exchanger, the second pipeline has a second circulating water pump 73, and the second circulating water pump 73 enables the water to exchange the temperature between the plate heat exchanger and the temperature storage device 33; in the third line, a third water circulation pump 74 is provided, by means of which third water circulation pump 74, for example, water is exchanged between the plate heat exchanger and the consumer end device.
The user side device can be a radiator fin and is used for supplying heat to the indoor of a building in winter; in another embodiment, the user end device may be a cold water pipeline of a cold air system, and indoor cold supply is realized by blowing air to the cold water pipeline. In another embodiment, the user end device can also provide a refrigerating and heating source for the domestic water and the drinking water.
In another embodiment, the housings of the electrical devices of the system, such as the hoisting mechanism 21, the warming device, the power generation device 51 and the driving device 52, are provided with cooling and heating water jackets, and the plate heat exchangers are circulated with the cooling and heating water jackets through fourth pipelines, so that the electrical devices are heated to remove ice, prevent freezing or warm up in winter or in extremely cold areas, and are cooled by cold water in summer or in extremely hot areas, so that the thermal breakdown of the electrical devices is avoided.
Coupling mode
The power generation device 51 is used for generating power by using the gravitational potential energy of the weight 22, supplying power to the building, and supplying power to the driving device 52. In one embodiment, the driving device 52 is a double-shaft motor, and the double-shaft motor is electrically connected to the power generation device 51 and the mains supply respectively, so that the double-shaft motor can be rotated by the mains supply and also can be rotated by the power generation device 51. A first transmission 61 is arranged between the power generation device 51 and the winding mechanism 21, a second transmission 62 is arranged between an output shaft at one end of the double-shaft motor and the winding mechanism 21, a third transmission 63 is arranged between the output shaft at the other end of the double-shaft motor and the compressor 31, wherein the first transmission 61, the second transmission 62 and the third transmission 63 are all provided with couplers which can be controlled by the control device to be disconnected. When the first transmission 61 is connected, the winding mechanism 21 drives the power generation device 51 to rotate to generate power; when the second transmission 62 is connected, the double-shaft motor drives the hoisting mechanism 21 to rotate and lift the weight 22 for gravity energy storage; when the third transmission 63 is connected, the dual-shaft motor drives the compressor 31 to rotate to perform the heat pump type cooling and heating operation.
In another embodiment, the system is also provided with a new energy power generation device, a solar power generation device is usually configured for a building, and the solar power generation device is electrically connected with the double-shaft motor, so that in some occasions, such as a time period with good solar illumination intensity conditions, the double-shaft motor can be driven by solar power generation to rotate for performing solar power generation energy storage or refrigeration and heating work.
Building attachment
For old buildings, an outdoor elevator system is often configured at present, and because the outdoor elevator system also has installation problems of an elevator traction motor and an elevator hoisting mechanism, in order to save installation space and reduce installation cost, in one embodiment, the elevator traction motor and the elevator hoisting mechanism are arranged on the frame, the elevator traction motor is electrically connected with the mains supply, the new energy power generation device and the power generation device 51, and the elevator can be driven to ascend and descend through the power sources. In another embodiment, a fourth transmission and a fifth transmission are respectively arranged between the elevator hoisting mechanism and the elevator traction motor and between the elevator hoisting mechanism and the double-shaft motor, and the fourth transmission and the fifth transmission are connected or disconnected through a control coupler, so that the elevator traction motor and the double-shaft motor drive the elevator hoisting mechanism to work and switch.
In another embodiment, the assembly and disassembly of the weight 22 becomes inconvenient because the frame is positioned on top of the building. To this end, the present invention provides a weight handling system comprising a projecting mechanism arranged to extend the frame and the building in a horizontal direction with and from the upper and/or lower platforms 11, 12 and a lifting mechanism arranged at the end of the projecting mechanism adapted to drive the weight 22 in a vertical direction between the projecting mechanism and the ground at the bottom of the building and to be handled by the projecting mechanism relative to the upper and/or lower platforms 11, 12.
Working mode
According to the system, in a transition season or an area without heat and cold supply, the system operates in a peak-valley electricity storage mode, the double-shaft motor only drives the hoisting mechanism 21, the compressor 31 does not operate, the weight 22 is driven by the double-shaft motor to lift a heavy object to the upper platform 11 through the hoisting mechanism 21 and the pulley block, then the horizontal sliding device horizontally moves the weight 22, the hoisting mechanism 21 falls down to lift the other weight 22 until all the needed weight 22 is lifted to the upper platform 11; when power generation is needed, the weight 22 is horizontally moved to the position where the hoisting mechanism is located by the horizontal sliding device, the heavy object descends to the lower platform 12, and the power generation device 51 is driven by the hoisting mechanism 21 and the pulley block to generate power until the needed weight 22 is completely descended to the lower platform 12.
In a refrigerating working condition in summer or in an area needing cooling, the system operates in a peak-valley electricity storage and cold accumulation mode, the double-shaft motor simultaneously drives the hoisting mechanism 21 and the compressor 31, the hoisting mechanism 21 lifts the falling weight 22 to carry out electricity storage and discharge, the compressor 31 drives the heat pump unit to operate under the driving of the motor, the generated low-temperature refrigerant enters the cold accumulation device, and cold energy is stored in an ice form through the high-efficiency fin tube type heat exchange structure; when the peak power is supplied, the heat pump unit is stopped, the third circulating water pump 74 on the user side is operated, and the cold energy of ice is transferred to the building through circulating cold water by the high-efficiency fin tube type heat exchange structure.
In the winter heating working condition or the area needing heat supply, the system operates in a peak-valley electricity storage and heat storage mode, the double-shaft motor simultaneously drives the hoisting mechanism 21 and the compressor 31, the hoisting mechanism 21 lifts the falling weight 22 to carry out electricity storage and discharge, the compressor 31 drives the heat pump unit to operate under the driving of the motor, the generated high-temperature refrigerant enters the heat storage device, and the heat is stored in a high-temperature hot water mode through the high-efficiency fin tube type heat exchange structure; during peak electricity, the heat pump unit is shut down, the third circulating water pump 74 on the user side operates, the heat of water is transferred to a building through the third circulating water pump 74 through the high-efficiency fin tube type heat exchange structure, and the electric storage quantity and the cold and heat storage quantity of the system can be dynamically regulated and controlled according to user load requirements.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A cold and heat energy supply system for buildings based on gravity energy storage is characterized by comprising:
a frame comprising at least an upper platform (11) and a lower platform (12);
the gravity conversion system is arranged on the frame and comprises a hoisting mechanism (21) and a weight (22), wherein the hoisting mechanism (21) is connected with the weight (22) to pull or release the weight (22) to move between the upper platform (11) and the lower platform (12) along the vertical direction;
the temperature storage system comprises a temperature making device and a temperature storage device (33), wherein the temperature making device and the temperature storage device (33) are connected to convey a temperature medium to the temperature storage device (33) for temperature storage;
the temperature exchange system comprises a temperature exchange device (41) and a user side device, wherein the temperature exchange device (41) is circularly connected with the heat storage device (33) through a second pipeline so as to exchange temperature with the heat storage device (33), and is circularly connected with the user side device through a third pipeline so as to exchange temperature with the user side device;
the power generation device (51) and the driving device (52) electrically connected with the commercial power are arranged on the frame and electrically connected with each other, a first transmission (61) is arranged between the power generation device (51) and the winding mechanism (21), and a second transmission (62) and a third transmission (63) are respectively arranged between the driving device (52) and the winding mechanism (21) as well as between the driving device and the temperature-making device;
the system is characterized by further comprising a control device, wherein the control device is used for respectively controlling disconnection of the first transmission (61), the second transmission (62) and the third transmission (63) so as to be suitable for storing energy of commercial power and releasing energy for the temperature-making device to make temperature and store heat according to the peak-valley power of the commercial power and the temperature requirement of a user side through the gravity conversion system.
2. A cold and thermal energy supply system for buildings according to claim 1, wherein said heating means comprises a compressor (31) and a condenser (32), said compressor (31) and condenser (32) being connected cyclically to said thermal storage means (33) by a first pipe to deliver said temperature medium to said thermal storage means (33) for storage.
3. A cold and heat energy supply system for buildings according to claim 1 wherein the warming device comprises a compressor (31), the driving device (52) is a two-shaft motor, one output shaft of the two-shaft motor is connected to the winding mechanism (21) through the second transmission (62), and the other output shaft is connected to the compressor (31) through the third transmission (63).
4. A cold and thermal energy supply system for buildings according to claim 1, characterized in that the gravity conversion system further comprises a horizontal sliding device (23), the horizontal sliding device (23) is arranged on the upper platform (11) and/or the lower platform (12) to drive the weight (22) to move horizontally on the upper platform (11) and/or the lower platform (12).
5. A cold and heat energy supply system for buildings according to claim 1, wherein the frame further comprises a middle platform (13) disposed between the upper platform (11) and the lower platform (12), the thermal storage system is disposed in a middle region of the middle platform (13), and a movement path for the hoisting mechanism (21) to pull or release the weight (22) to move in the vertical direction between the upper platform (11) and the lower platform (12) is located in a peripheral region of the frame so that the movement in the vertical direction of the weight (22) does not interfere with the thermal storage system at the middle platform (13).
6. A cold and thermal energy supply system for buildings according to claim 1 wherein the frame further comprises a frame top (14) disposed above the upper platform (11), the thermal storage system being disposed at the frame top (14).
7. A cold and heat energy supply system for buildings according to claim 1 wherein the winding mechanism (21), the heating device, the power generation device (51) and/or the driving device (52) comprise a cold and warm water jacket, and the temperature exchanging device (41) is connected to the cold and warm water jacket in circulation by a fourth pipe to exchange temperature with the cold and warm water jacket.
8. A cold and thermal energy supply system for buildings according to claim 1 further comprising a new energy power generation device electrically connected to said drive device (52).
9. A cold and heat energy supply system for buildings according to claim 1, further comprising an outdoor elevator system, wherein an elevator traction motor and an elevator hoisting mechanism of the outdoor elevator system are arranged on the frame, the elevator traction motor is electrically connected with the commercial power, the new energy power generation device and/or the power generation device (51), and a fourth transmission and a fifth transmission are respectively arranged between the elevator hoisting mechanism and the elevator traction motor and the driving device (52).
10. A cold and thermal energy supply system for buildings according to claim 1 further comprising a weight handling system including a projecting mechanism arranged to extend horizontally out of the frame and the building with the upper (11) and/or lower (12) platform and from the platform and a lifting mechanism arranged at the end of the projecting mechanism adapted to drive the weight (22) in a vertical direction between the projecting mechanism and the floor at the bottom of the building.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211175497.1A CN115276057B (en) | 2022-09-26 | 2022-09-26 | Building cold and heat energy supply system based on gravity energy storage |
Applications Claiming Priority (1)
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287342A (en) * | 2011-06-24 | 2011-12-21 | 吕怀民 | United energy device and construction method and application thereof |
| JP2012060869A (en) * | 2010-09-10 | 2012-03-22 | Weine:Kk | Gravity type electrical energy storage device |
| CN109707577A (en) * | 2019-01-25 | 2019-05-03 | 中煤能源研究院有限责任公司 | A kind of system and method for realizing discarded pit shaft weight energy storage using pulley blocks |
| CN110454340A (en) * | 2019-08-12 | 2019-11-15 | 集美大学 | A kind of gravity energy storage device |
| CN114458557A (en) * | 2022-02-23 | 2022-05-10 | 中国长江三峡集团有限公司 | Gravity energy storage system and energy storage method |
| CN114458572A (en) * | 2022-01-05 | 2022-05-10 | 华北电力大学 | Energy storage system combining gravity and compressed air and working method thereof |
| CN114659295A (en) * | 2022-05-05 | 2022-06-24 | 中国科学院电工研究所 | Comprehensive energy system combining gravity energy storage with heat pump heat supply |
-
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- 2022-09-26 CN CN202211175497.1A patent/CN115276057B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012060869A (en) * | 2010-09-10 | 2012-03-22 | Weine:Kk | Gravity type electrical energy storage device |
| CN102287342A (en) * | 2011-06-24 | 2011-12-21 | 吕怀民 | United energy device and construction method and application thereof |
| CN109707577A (en) * | 2019-01-25 | 2019-05-03 | 中煤能源研究院有限责任公司 | A kind of system and method for realizing discarded pit shaft weight energy storage using pulley blocks |
| CN110454340A (en) * | 2019-08-12 | 2019-11-15 | 集美大学 | A kind of gravity energy storage device |
| CN114458572A (en) * | 2022-01-05 | 2022-05-10 | 华北电力大学 | Energy storage system combining gravity and compressed air and working method thereof |
| CN114458557A (en) * | 2022-02-23 | 2022-05-10 | 中国长江三峡集团有限公司 | Gravity energy storage system and energy storage method |
| CN114659295A (en) * | 2022-05-05 | 2022-06-24 | 中国科学院电工研究所 | Comprehensive energy system combining gravity energy storage with heat pump heat supply |
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