Energy-saving structure matched with photovoltaic power generation new energy and central air-conditioning system

Abstract

The utility model relates to the technical field of air-conditioning energy conservation, and discloses a photovoltaic power generation new energy and central air-conditioning system matched energy-saving structure which comprises a building, a plurality of photovoltaic panels are fixed at the top end of the building, a cooling tower is arranged on one side of the building, and a cooling device is arranged on the outer side of the cooling tower. A connecting pipe is fixed to the input end of the cooling device, one end of the connecting pipe is fixed into the cooling tower, a power supply is fixed to the output end of the photovoltaic panel, the end of the power supply is connected with the cooling device, a second water return pipe is fixed to the output end of the cooling tower, and an air conditioner host is fixed to the end of the second water return pipe. According to the utility model, a set of small-sized water chilling unit cooling equipment is connected in parallel in the roof cooling water pipe network, and the solar cell panel power generation and energy storage system is used for providing power for the cooling equipment, so that the effect of remarkably reducing the return water temperature of cooling water is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning energy saving technical field, concretely is photovoltaic power generation new energy and central air conditioning system supporting energy saving structure. BACKGROUND

[0002] Central air conditioning water chiller is widely used in commercial complex, hotel, office building, large-scale commercial superstore and other large-scale commercial and public buildings. About 50% to 60% of the energy consumption of these buildings comes from central air conditioning systems. At present, the power load in various parts of the country is showing a rapid upward trend, especially in super large cities, the maximum load of the power grid has exceeded 100 million kilowatts, and the peak load lasts for a short time, which poses a great challenge to power supply and security. Especially in the summer peak period, air conditioning load often accounts for 40% of the super grid load, and when the temperature exceeds 35 degrees Celsius, the city power grid load will increase by about 1 million kilowatts per degree Celsius. This high energy consumption phenomenon poses a severe test to the city's power system.

[0003] At the same time, we need to accelerate the construction of industry and technology to promote mutual strength, develop new productivity according to local conditions, and deeply promote high-quality development; promote the creative use of new technologies in the fields of production and manufacturing, urban renewal, energy storage and transportation, and form application scenarios with leading technology, good application prospects, and high replicability; vigorously promote the distributed photovoltaic high-quality development action plan in the field of energy low-carbon transformation, aiming to optimize the energy structure and reduce dependence on traditional power systems by promoting the application of renewable energy such as photovoltaics; focus on developing distributed photovoltaics, promoting photovoltaic coverage in various types of parks, public buildings, and transportation facilities, and further improving the penetration rate of photovoltaics in various application scenarios to achieve green and low-carbon development.

[0004] Non-residential building installations with central air conditioning (using cold water main, air-cooled module / screw machine, heat pump, etc. Refrigeration equipment), including but not limited to public institutions, railways, airports, subways, transportation hubs, bank outlets, state-owned enterprises, commercial complexes, hotels, comprehensive office buildings, large-scale commercial superstores, central cooling stations, a considerable part of the building energy consumption is consumed by central air conditioning systems. During the summer peak period, the central air conditioning load accounts for more than 40% of the power grid load, posing a great challenge to urban power grid load security. INVENTION CONTENTS

[0005] In order to make up for the above shortage, the utility model provides photovoltaic power generation new energy and central air conditioning system matching energy saving structure, aims at improving the problem of low heat exchange efficiency and sharp increase of energy consumption caused by the high cooling water temperature of central air conditioning system due to high ambient temperature (especially in summer high temperature period). In order to realize the above purpose, the utility model adopts the following technical scheme: photovoltaic power generation new energy and central air conditioning system matching energy saving structure, including building, the top of building is fixed with a plurality of photovoltaic board, the side of building is provided with cooling tower, the outside of cooling tower is provided with cooling equipment, the input of cooling equipment is fixed with connecting pipe, the one end of connecting pipe is fixed in the inside of cooling tower, the output of photovoltaic board is fixed with power supply, the end of power supply is connected with cooling equipment, the output of cooling tower is fixed with return water pipe two, the end of return water pipe two is fixed with air conditioning host, the output of cooling equipment is fixed with return water pipe one, the end of return water pipe one is fixed in the inside of return water pipe two.

[0006] As the further description of the above technical scheme:

[0007] The side of air conditioning host is provided with water pump two, the input of water pump two is fixed with water pumping pipe one, the end of water pumping pipe one is fixed in the inside of air conditioning host, the output of water pump two is fixed with conveying pipe one, the end of conveying pipe one is fixed in the inside of connecting pipe.

[0008] As the further description of the above technical scheme:

[0009] The other side of air conditioning host is provided with water pump one, the input of water pump one is fixed with water pumping pipe two, the end of water pumping pipe two is fixed in the inside of air conditioning host, the output of water pump one is fixed with conveying pipe two, the end of conveying pipe two is fixed with air conditioning indoor unit, the outer wall of air conditioning indoor unit is fixed in the inside of building.

[0010] As the further description of the above technical scheme:

[0011] The output of air conditioning indoor unit is fixed with chilled water return water pipe, the end of chilled water return water pipe is fixed in the inside of air conditioning host.

[0012] As the further description of the above technical scheme:

[0013] The cooling equipment includes a small water chiller, which is connected with the solar photovoltaic panel and can automatically adjust the operation according to the temperature requirement of the cooling water to ensure the effective cooling of the cooling water.

[0014] As the further description of the above technical scheme:

[0015] The connecting pipe connects the first return water pipe and the second return water pipe, ensures effective flow of cooling water in the system, and realizes temperature control.

[0016] As a further description of the above technical solution:

[0017] The building roof area is provided with a photovoltaic panel connected with a power supply, which can continuously provide power for the chiller unit cooling equipment, and ensures efficient operation of the system.

[0018] The utility model has the advantages of:

[0019] 1. Firstly, a small chiller unit cooling equipment is connected in parallel in the roof cooling water pipe network, and a solar cell panel power generation and energy storage system is used to provide power for the cooling equipment, thereby significantly reducing the cooling water return temperature, solving the problem of low heat exchange efficiency and increased energy consumption caused by high cooling water temperature in traditional central air conditioning systems due to high ambient temperature. 2. The application of the distributed solar power generation system optimizes the energy efficiency of the building and provides additional clean power source for the urban power grid, which helps to improve the resilience of the urban energy system, mitigate power load fluctuations, support long-term stable operation of the power grid, and promote green transformation of the urban energy structure.

[0020] 3. The use of solar energy as a clean energy source reduces the dependence on traditional power grid energy, thereby significantly reducing the carbon emissions of the building air conditioning system and helping the user to achieve the energy saving and emission reduction target. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The structure frame diagram of the photovoltaic power generation new energy and central air conditioning system matching energy saving structure provided by the utility model.

[0022] LEGEND:

[0023] 1. Building; 2. Photovoltaic panel; 3. Cooling tower; 4. Cooling equipment; 5. Air conditioning host; 6. Water pump one; 7. Water pump two; 8. Power supply; 9. Water suction pipe one; 10. Delivery pipe one; 11. Connecting pipe; 12. Return water pipe one; 13. Return water pipe two; 14. Water suction pipe two; 15. Delivery pipe two; 16. Air conditioning indoor unit; 17. Chilled water return pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0025] With reference to Figure 1 The utility model provides an embodiment: photovoltaic power generation new energy and central air conditioning system energy -saving structure of supporting, including building 1, the top of building 1 is fixed with a plurality of photovoltaic board 2, one side of building 1 is provided with cooling tower 3, the outside of cooling tower 3 is provided with cooling equipment 4, the input of cooling equipment 4 is fixed with connecting pipe 11, one end of connecting pipe 11 is fixed in the inside of cooling tower 3, the output of photovoltaic board 2 is fixed with power supply 8, and the end of power supply 8 is connected with cooling equipment 4, and the output of cooling tower 3 is fixed with return water pipe two 13, and the end of return water pipe two 13 is fixed with air conditioning host 5, and the output of cooling equipment 4 is fixed with return water pipe one 12, and the end of return water pipe one 12 is fixed in the inside of return water pipe two 13, and one side of air conditioning host 5 is provided with water pump two 7, and the input of water pump two 7 is fixed with pumping pipe one 9, and the end of pumping pipe one 9 is fixed in the inside of air conditioning host 5, and the output of water pump two 7 is fixed with conveying pipe one 10, and the end of conveying pipe one 10 is fixed in the inside of connecting pipe 11, and the other side of air conditioning host 5 is provided with water pump one 6, and the input of water pump one 6 is fixed with pumping pipe two 14, and the end of pumping pipe two 14 is fixed in the inside of air conditioning host 5, and the output of water pump one 6 is fixed with conveying pipe two 15, and the end of conveying pipe two 15 is fixed with air conditioning indoor unit 16, and the outer wall of air conditioning indoor unit 16 is fixed in the inside of building 1, and the output of air conditioning indoor unit 16 is fixed with chilled water return water pipe 17, and the end of chilled water return water pipe 17 is fixed in the inside of air conditioning host 5, and cooling equipment 4 includes a small -size water chiller, and the water chiller is connected with solar photovoltaic board 2, can automatically adjust operation according to the temperature demand of cooling water, to guarantee the effective cooling of cooling water, and the return water pipe one 12 is connected with the return water pipe two 13 through the connecting pipe 11, ensures that cooling water effectively flows in the system, and realizes temperature control, and building 1 roof area is installed with photovoltaic board 2, and the photovoltaic board 2 is connected with power supply 8, can continuously provide power for water chiller cooling equipment 4, ensures the efficient operation of system.

[0026] Specifically, the solar energy is converted into electric energy by the photovoltaic panel 2, which is supplied to the small water chiller in the cooling device 4, the water chiller automatically adjusts operation according to the change of cooling water temperature, ensures effective cooling of the cooling water, and further reduces the cooling water return temperature, the cooling water after reduction flows back to the air conditioning host 5 through the return water pipe one 12 and the return water pipe two 13, realizes efficient heat exchange, reduces the dependence of the air conditioning system on the traditional power grid power, improves the operation efficiency of the system, and the cooling device 4 is closely matched with the air conditioning host 5 through the photovoltaic power generation energy storage system, solves the problem of low heat exchange efficiency caused by high cooling water temperature, and reduces the power grid load by reducing the energy consumption of the air conditioning system.

[0027] Working principle: the multiple photovoltaic panels 2 installed on the roof of the building 1 convert solar energy into electric energy, which is transmitted to the cooling device 4 through the power supply 8, the cooling device 4 includes a small water chiller, which can automatically adjust operation according to the temperature demand of the cooling water, the cooling device 4 is connected with the inside of the cooling tower 3 through the connecting pipe 11, ensures effective flow of the cooling water in the system, and reduces the cooling water return temperature, the cooling water flows to the air conditioning host 5 through the return water pipe two 13 after being cooled by the cooling tower 3, the cooling water is extracted by the water pump two 7 on one side of the air conditioning host 5 and then is transported to the cooling device 4 through the delivery pipe one 10 for continuous cooling, the other side of the air conditioning host 5 extracts the chilled water through the water pump one 6 and sends it to the air conditioning indoor unit 16 through the water pump two 14, and the air conditioning indoor unit 16 cools the building and then brings the heat back to the air conditioning host 5 through the chilled water return pipe 17. In the whole process, the electric power generated by the photovoltaic panel 2 continuously provides power for the cooling device 4, ensures effective reduction of the cooling water temperature, thereby improving the heat exchange efficiency of the air conditioning unit, reducing energy consumption, and ensuring efficient operation of the air conditioning system, the system not only optimizes the energy efficiency of the building, but also provides clean power through the distributed solar power generation system, further reducing the dependence on the traditional power grid.

[0028] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A new energy photovoltaic power generation and central air conditioning system matching energy saving structure, characterized in that, The utility model relates to a building (1), the top of building (1) is fixed with a plurality of photovoltaic panels (2), one side of building (1) is provided with cooling tower (3), the outside of cooling tower (3) is provided with cooling equipment (4), the input of cooling equipment (4) is fixed with connecting pipe (11), one end of connecting pipe (11) is fixed in the inside of cooling tower (3), the output of photovoltaic panel (2) is fixed with power supply (8), the end of power supply (8) is connected with cooling equipment (4), the output of cooling tower (3) is fixed with backwater pipe no.

2. The photovoltaic power generation new energy and central air conditioning system matching energy saving structure according to claim 1, characterized in that, One side of air conditioning host (5) is provided with water pump no.

3. The photovoltaic power generation new energy and central air conditioning system matching energy saving structure according to claim 1, characterized in that, The other side of air conditioning host (5) is provided with water pump no.

4. The photovoltaic power generation new energy and central air conditioning system matching energy saving structure according to claim 3, characterized in that, The output of air conditioning indoor unit (16) is fixed with refrigerated water backwater pipe (17), and the end of refrigerated water backwater pipe (17) is fixed in the inside of air conditioning host (5).

5. The photovoltaic power generation new energy and central air conditioning system matching energy saving structure according to claim 1, characterized in that, The utility model relates to a building (1), the top of building (1) is fixed with a plurality of photovoltaic panels (2), one side of building (1) is provided with cooling tower (3), the outside of cooling tower (3) is provided with cooling equipment (4), the input of cooling equipment (4) is fixed with connecting pipe (11), one end of connecting pipe (11) is fixed in the inside of cooling tower (3), the output of photovoltaic panel (2) is fixed with power supply (8), the end of power supply (8) is connected with cooling equipment (4), the output of cooling tower (3) is fixed with backwater pipe no.

6. The photovoltaic power generation new energy and central air conditioning system matching energy saving structure according to claim 1, characterized in that, One side of air conditioning host (5) is provided with water pump no.

7. The photovoltaic power generation new energy and central air conditioning system matching energy saving structure according to claim 1, characterized in that, The other side of air conditioning host (5) is provided with water pump no. The output of air conditioning indoor unit (16) is fixed with refrigerated water backwater pipe (17), and the end of refrigerated water backwater pipe (17) is fixed in the inside of air conditioning host (5). The utility model relates to a building (1), the top of building (1) is fixed with a plurality of photovoltaic panels (2), one side of building (1) is provided with cooling tower (3), the outside of cooling tower (3) is provided with cooling equipment (4), the input of cooling equipment (4) is fixed with connecting pipe (11), one end of connecting pipe (11) is fixed in the inside of cooling tower (3), the output of photovoltaic panel (2) is fixed with power supply (8), the end of power supply (8) is connected with cooling equipment (4), the output of cooling tower (3) is fixed with backwater pipe no. One side of air conditioning host (5) is provided with water pump no. The other side of air conditioning host (5) is provided with water pump no. The output of air conditioning indoor unit (16) is fixed with refrigerated water backwater pipe (17), and the end of refrigerated water backwater pipe (17) is fixed in the inside of air conditioning host (5). The utility model relates to a building (1), the top of building (1) is fixed with a plurality of photovoltaic panels (2), one side of building (1) is provided with cooling tower (3), the outside of cooling tower (3) is provided with cooling equipment (4), the input of cooling equipment (4) is fixed with connecting pipe (11), one end of connecting pipe (11) is fixed in the inside of cooling tower (3), the output of photovoltaic panel (2) is fixed with power supply (8), the end of power supply (8) is connected with cooling equipment (4), the output of cooling tower (3) is fixed with backwater pipe no. One side of air conditioning host (5) is provided with water pump no. The other side of air conditioning host (5) is provided with water pump no. The output of air conditioning indoor unit (16) is fixed with refrigerated water backwater pipe (17), and the end of refrigerated water backwater pipe (17) is fixed in the inside of air conditioning host (5).

Images