System for storing cold and heat by using heat source tower heat pump

By introducing a heat pump cold and heat storage system into the heat source tower system, and utilizing a seasonal switching valve and a cold and heat storage tank, cold and heat storage can be carried out at night or during idle periods, solving the problem of low efficiency in existing technologies and achieving efficient energy utilization and improved economic efficiency.

CN223954723UActive Publication Date: 2026-02-27SHENNENG NANJING ENERGY HLDG CO LTD +1
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Patent Information

Application Number
CN202520361007.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-02-27
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

In existing technologies, some devices cannot effectively store cold and heat at night or during idle periods when the heat source tower system is powered, resulting in high operating costs and low efficiency.

Method used

A system for storing cold and heat using a heat source tower and a heat pump was designed, including a heat source tower, a heat source tower water collection pan, a heat pump unit, a seasonal switching valve, and a cold and hot water storage tank. The system stores heat by transporting the solution to the hot water storage tank at night or during off-peak hours, and controls the system's operating mode using the seasonal switching valve to achieve heat storage in winter and cold storage in summer.

Benefits of technology

It improves the energy efficiency and economy of the heat source tower heat pump system, realizes the ability to store heat in winter and cold in summer, reduces operating costs, and improves system efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of energy, and discloses a system for storing cold and heat by using a heat source tower heat pump, which comprises a heat source tower, a heat source tower water collecting tray, a heat source tower side water pump of a heat source tower heat pump unit, a heat source tower heat pump condenser, a heat source tower heat pump evaporator, a heat source tower heat pump air-conditioning side water pump, a season switching valve I and a season switching valve II, the cold storage and heat storage system comprises a cold storage and heat storage switching valve I, a cold storage and heat storage switching valve II, a cold storage and heat storage switching valve III, a cold storage and heat storage switching valve IV and a cold storage and heat storage water tank / water tank, wherein the cold storage and heat storage switching valve I, the cold storage and heat storage switching valve II, the cold storage and heat storage switching valve III and the cold storage and heat storage switching valve IV are arranged in the cold storage and heat storage water tank / water tank. The cold and heat storage system utilizing the heat source tower heat pump is reasonable in structural design, wide in application range, convenient to operate, capable of fully utilizing energy, environmentally friendly and easy to popularize, improves efficiency and energy saving performance of a heat source tower system, and has important economic value and social value.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of energy, especially relates to a system of heat storage and cold storage using heat source tower heat pump. BACKGROUND

[0002] As a new type of energy supply scheme, the heat source tower technology uses heat pump heating, and the heating energy efficiency ratio is much higher than that of boiler room or municipal hot water; the higher the outdoor air humidity in winter, the stronger the performance, and there is no need to worry about frosting and defrosting loss; the heat source tower heat pump heat storage and cold storage can make full use of the advantages of heat source tower energy supply, the heating energy efficiency is higher than that of conventional heating, and there is no frosting and defrosting loss; in summer, it is equivalent to a conventional cold water unit, and there is no need to additionally provide a cold water unit for cooling. The system of heat storage and cold storage using heat source tower heat pump provided by the utility model is used for heat storage and cold storage at night or during idle time of the heat source tower system, so as to save operation cost, improve the efficiency and energy saving performance of the heat source tower heat pump system, and has important economic value and social value, and is easy to popularize and apply.

[0003] In the prior art, some devices cannot effectively store cold and heat at night or during idle time of the heat source tower system, so as to save operation cost, improve the efficiency and energy saving performance of the heat source tower heat pump system, and has important economic value and social value. Therefore, the system of heat storage and cold storage using heat source tower heat pump is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The system of heat storage and cold storage using heat source tower heat pump provided by the utility model aims to improve the problem that some devices in the prior art cannot effectively store cold and heat at night or during idle time of the heat source tower system.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A system of heat storage and cold storage using heat source tower heat pump, which comprises a heat source tower, a heat source tower water collecting disc, a heat source tower heat pump unit heat source tower side water pump, a heat source tower heat pump condenser, a heat source tower heat pump evaporator, a heat source tower heat pump air conditioning side water pump, a season switching valve one, a season switching valve two, a season switching valve three, a season switching valve four, a season switching valve five, a season switching valve six, a season switching valve seven, a season switching valve eight, a cold storage and heat storage switching valve one, a cold storage and heat storage switching valve two, a cold storage and heat storage switching valve three, a cold storage and heat storage switching valve four and a cold storage and heat storage water tank / water tank.

[0007] Further description of the above technical scheme:

[0008] The heat source tower is connected with a water pipe, and the water pipe is connected to the heat source tower water collecting disc.

[0009] Further description of the above technical scheme:

[0010] The heat source tower heat pump evaporator is connected with the heat source tower water collecting disc through a pipeline, and a heat source tower heat pump unit heat source tower side water pump and a seasonal switch valve six are installed on the pipeline.

[0011] As a further description of the above technical solution:

[0012] The heat source tower heat pump evaporator is connected with the cold storage and heat storage water tank / water tank through a pipeline, and a seasonal switch valve four and a cold storage and heat storage switch valve three and a cold storage and heat storage switch valve four are installed on the pipeline.

[0013] As a further description of the above technical solution:

[0014] The heat source tower heat pump condenser is connected with the heat source tower through a water pipe, and a seasonal switch valve seven is installed on the pipeline.

[0015] As a further description of the above technical solution:

[0016] The heat source tower heat pump condenser is connected with the cold storage and heat storage water tank / water tank through a pipeline, and a seasonal switch valve one and a cold storage and heat storage switch valve three and a cold storage and heat storage switch valve four are installed on the pipeline.

[0017] The utility model has the advantages of the following beneficial effects:

[0018] The system for cold and heat storage by using the heat source tower heat pump provided by the utility model has an inner circulating solution of the energy tower in winter being a carrier medium with an ice point lower than 0 DEG C, and can efficiently extract low-grade heat energy in the ground temperature air, but with normal working of the system, the solution in the pipeline will be diluted, evaporated, etc.

[0019] Compared with the conventional system, the system for cold and heat storage by using the heat source tower heat pump provided by the utility model has the capacity of cold storage in winter and heat storage in summer, can save the operation cost of the heat source tower heat pump system, and improves the efficiency and energy saving property of the heat source tower heat pump system.

[0020] The heat source tower is a new type of energy supply scheme, which is used as a cooling tower in summer to release heat to the air, and absorbs heat from the air in winter, and converts the absorbed heat into high-grade heat in the form of a heat pump to meet the heating demand.

[0021] When the system is operated in winter, the heat source tower heat pump condenser, the heat source tower heat pump air conditioning side water pump, the heat storage water tank / water tank are operated, the season switching valves one and three (7, 9) and the cold storage and heat storage switching valves one and three (15, 17) are opened; the heat source tower heat pump evaporator, the heat source tower heat pump heat source tower side water pump, the heat source tower and the heat source tower water collecting disc are operated, the season switching valves (12, 14) are opened, and the remaining devices, the circulating water pump and the valves are all closed, so that the solution is transported to the heat storage water tank / water tank for heat storage.

[0022] When the system is operated in summer, the heat source tower heat pump evaporator, the heat source tower heat pump air conditioning side water pump and the heat storage water tank / water tank are operated, the season switching valves two and four (8, 10) and the cold storage and heat storage switching valves two and four (16, 18) are opened; the heat source tower heat pump condenser, the heat source tower heat pump heat source tower side water pump, the heat source tower and the heat source tower water collecting disc are operated, the season switching valves (11, 13) are opened, and the remaining devices, the circulating water pump and the valves are all closed, so that the solution is transported to the cold storage water tank / water tank for cold storage.

[0023] The system for cold storage and heat storage by using a heat source tower heat pump has the advantages of reasonable structure design, wide application range, convenient operation, full utilization of energy, green environmental protection, easy popularization, improved efficiency and energy saving performance of the heat source tower system, and important economic value and social value. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The system for cold storage and heat storage by using a heat source tower heat pump has the advantages of reasonable structure design, wide application range, convenient operation, full utilization of energy, green environmental protection, easy popularization, improved efficiency and energy saving performance of the heat source tower system, and important economic value and social value.

[0025] LEGEND:

[0026] 1, heat source tower; 2, heat source tower water collecting disc; 3, heat source tower heat pump unit heat source tower side water pump; 4, heat source tower heat pump condenser; 5, heat source tower heat pump evaporator; 6, heat source tower heat pump air conditioning side water pump; 7, season switching valve one; 8, season switching valve two; 9, season switching valve three; 10, season switching valve four; 11, season switching valve five; 12, season switching valve six; 13, season switching valve seven; 14, season switching valve eight; 15, cold storage and heat storage switching valve one; 16, cold storage and heat storage switching valve two; 17, cold storage and heat storage switching valve three; 18, cold storage and heat storage switching valve four; 19, cold storage and heat storage water tank / water tank. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] With reference to Figure 1 The utility model provides an embodiment: a system of heat accumulation and cold accumulation by heat source tower heat pump, it includes heat source tower 1, heat source tower water collecting tray 2, heat source tower heat pump unit heat source tower side water pump 3, heat source tower heat pump condenser 4, heat source tower heat pump evaporator 5, heat source tower heat pump air conditioning side water pump 6, season switching valve one 7, season switching valve two 8, season switching valve three 9, season switching valve four 10, season switching valve five 11, season switching valve six 12, season switching valve seven 13, season switching valve eight 14, cold accumulation and heat accumulation switching valve one 15, cold accumulation and heat accumulation switching valve two 16, cold accumulation and heat accumulation switching valve three 17, cold accumulation and heat accumulation switching valve four 18, cold accumulation and heat accumulation water tank 19.

[0029] The above system of heat accumulation and cold accumulation by heat source tower heat pump, water pipe is connected on heat source tower 1, and is connected to heat source tower water collecting tray 2 through water pipe, heat source tower heat pump evaporator 5 is connected with heat source tower water collecting tray 2 with pipeline, and heat source tower heat pump unit heat source tower side water pump 3 and season switching valve six 12 are installed on the pipeline, are connected with heat source tower 1 again through pipeline, and season switching valve eight 14 is installed on the pipeline, heat source tower heat pump evaporator 5 is connected with cold accumulation and heat accumulation water tank 19 through pipeline, and season switching valve four 10 and cold accumulation and heat accumulation switching valve three 17, cold accumulation and heat accumulation switching valve four 18 are installed on the pipeline, are connected with heat source tower heat pump air conditioning side water pump 6 again through water pipe, and season switching valve two 8 and cold accumulation and heat accumulation switching valve one 15, cold accumulation and heat accumulation switching valve two 16 are installed on the pipeline.

[0030] The above system of heat accumulation and cold accumulation by heat source tower heat pump, heat source tower heat pump condenser 4 is connected with heat source tower 1 through water pipe, and season switching valve seven 13 is installed on the pipeline, is connected with heat source tower water collecting tray 2 again through pipeline, and heat source tower heat pump unit heat source tower side water pump 3 and season switching valve five 11 are installed on the pipeline, heat source tower heat pump condenser 4 is connected with cold accumulation and heat accumulation water tank 19 through pipeline, and season switching valve one 7 and cold accumulation and heat accumulation switching valve three 17, cold accumulation and heat accumulation switching valve four 18 are installed on the pipeline, are connected with heat source tower heat pump air conditioning side water pump 6 again through pipeline, and season switching valve two 8 and cold accumulation and heat accumulation switching valve one 15, cold accumulation and heat accumulation switching valve two 16 are installed on the pipeline.

[0031] With reference to Figure 1In actual operation, the system utilizing heat pumps from heat source towers provided by this utility model includes: heat source tower 1, heat source tower water collection tray 2, heat source tower side water pump 3, heat source tower heat pump condenser 4, heat source tower heat pump evaporator 5, heat source tower heat pump air conditioning side water pump 6, seasonal switching valve 1 7, seasonal switching valve 2 8, seasonal switching valve 3 9, seasonal switching valve 4 10, seasonal switching valve 5 11, seasonal switching valve 6 12, seasonal switching valve 7 13, seasonal switching valve 8 14, cold and heat storage switching valve 1 15, cold and heat storage switching valve 2 16, cold and heat storage switching valve 3 17, cold and heat storage switching valve 4 18, and cold and heat storage water tank / reservoir 19.

[0032] Working principle: When this utility model system operates in winter heat storage mode, such as... Figure 1 As shown, the heat source tower heat pump condenser 4, the heat source tower heat pump air conditioning side water pump 6, and the cold and hot water storage tank / tank 19 are in operation. Seasonal switching valve 1 7, seasonal switching valve 3 9, and cold and hot water storage switching valve 1 15, cold and hot water storage switching valve 1 15, and cold and hot water storage switching valve 3 17 are open. The heat source tower heat pump evaporator 5, the heat source tower heat pump unit heat source tower side water pump 3, the heat source tower 1, and the heat source tower water collection pan 2 are in operation. Seasonal switching valve 6 12 and seasonal switching valve 8 14 are open. The remaining equipment, circulating water pumps, and valves are all closed, and the solution is transported to the hot water storage tank / tank for heat storage.

[0033] When this utility model system is running in summer for cold storage, such as Figure 1 As shown, the heat source tower heat pump evaporator 5, the heat source tower heat pump air conditioning side water pump 6, and the cold and hot water storage tank / tank 19 are in operation. Seasonal switching valve 2 8, seasonal switching valve 4 10, and cold and hot water storage switching valve 2 16 and cold and hot water storage switching valve 4 18 are open. The heat source tower heat pump condenser 4, the heat source tower heat pump unit heat source tower side water pump 3, the heat source tower 1, and the heat source tower water collection pan 2 are in operation. Seasonal switching valve 5 11 and seasonal switching valve 7 13 are open. The remaining equipment, circulating water pumps, and valves are all closed, and the solution is transported to the cold water storage tank / tank for cold storage.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A system for storing cold and heat using a heat source tower heat pump, characterized in that: It includes heat source tower (1), heat source tower water collecting tray (2), heat source tower heat pump unit heat source tower side water pump (3), heat source tower heat pump condenser (4), heat source tower heat pump evaporator (5), heat source tower heat pump air conditioning side water pump (6), season switching valve one (7), season switching valve two (8), season switching valve three (9), season switching valve four (10), season switching valve five (11), season switching valve six (12), season switching valve seven (13), season switching valve eight (14), cold storage and heat storage switching valve one (15), cold storage and heat storage switching valve two (16), cold storage and heat storage switching valve three (17), cold storage and heat storage switching valve four (18), cold storage and heat storage water tank / water tank (19).

2. The system for cold and heat storage by using heat-source tower heat pump according to claim 1, characterized in that: The heat source tower (1) is connected with a water pipe, and is connected to the heat source tower water collecting tray (2) through the water pipe.

3. The system of claim 1, wherein the system further comprises a heat exchanger. The heat source tower heat pump evaporator (5) is connected with the heat source tower water collecting tray (2) by a pipeline, and the pipeline is provided with the heat source tower heat pump unit heat source tower side water pump (3) and the season switching valve six (12); and is further connected with the heat source tower (1) by a pipeline, and the pipeline is provided with the season switching valve eight (14).

4. The system for cold accumulation and heat accumulation by using a heat-source tower heat pump according to claim 1, characterized in that: The heat source tower heat pump evaporator (5) is connected with the cold storage and heat storage water tank / water tank (19) by a pipeline, and the pipeline is provided with the season switching valve four (10), the cold storage and heat storage switching valve three (17) and the cold storage and heat storage switching valve four (18); and is further connected with the heat source tower heat pump air conditioning side water pump (6) by a water pipe, and the pipeline is provided with the season switching valve two (8), the cold storage and heat storage switching valve one (15) and the cold storage and heat storage switching valve two (16).

5. The system of claim 1, wherein the system further comprises a heat exchanger. The heat source tower heat pump condenser (4) is connected with the heat source tower (1) by a water pipe, and the pipeline is provided with the season switching valve seven (13); and is further connected with the heat source tower water collecting tray (2) by a pipeline, and the pipeline is provided with the heat source tower heat pump unit heat source tower side water pump (3) and the season switching valve five (11).

6. The system for cold accumulation and heat accumulation by using a heat-source tower heat pump according to claim 1, characterized in that: The heat source tower heat pump condenser (4) is connected with the cold storage and heat storage water tank / water tank (19) by a pipeline, and the pipeline is provided with the season switching valve one (7), the cold storage and heat storage switching valve three (17) and the cold storage and heat storage switching valve four (18); and is further connected with the heat source tower heat pump air conditioning side water pump (6) by a pipeline, and the pipeline is provided with the season switching valve two (8), the cold storage and heat storage switching valve one (15) and the cold storage and heat storage switching valve two (16).