CN216716446U - An air-conditioning system with phase-change cooling storage and ceiling fan ventilation coupled - Google Patents

Abstract

The utility model discloses a phase-change cold storage and ceiling fan ventilation coupled air conditioning system, which comprises a ceiling fan, wherein the upper surface of the ceiling fan is arranged on a cross beam through a hanging rod, the phase-change cold storage and ceiling fan ventilation coupled air conditioning system also comprises a first pipeline, a second pipeline, a third pipeline, a radiation tail end and a cold storage box, chilled water enters and exits the radiation tail end through the first pipeline, the chilled water enters and exits the cold storage box through the second pipeline, the radiation tail end is arranged right above the ceiling fan, and the third pipeline is used for cold exchange between the radiation tail end and the cold storage box. When the temperature is low at night, chilled water is subjected to heat exchange with the cold accumulation box through the second pipeline, so that cold energy is continuously stored in the cold accumulation agent in the cold accumulation box; when the temperature is high in the daytime, cold energy is provided for the radiation tail end by the aid of the cold storage agent in the cold storage tank, and the effect of peak elimination is achieved through phase change cold storage, so that the air conditioning system always works in a stable and efficient load frequency band region, and the operating cost and the power grid load of the air conditioning system are effectively reduced.

Description

An air-conditioning system with phase-change cooling storage and ceiling fan ventilation coupled

technical field

The utility model belongs to the technical field of air-conditioning, in particular to an air-conditioning system coupled with phase-change cold storage and ceiling fan ventilation.

Background technique

At present, our existing refrigeration system is composed of ceiling fans or air conditioners. Ceiling fans are used to create breeze indoors in summer due to their low investment cost and easy installation, but they cannot cool the air and have poor cooling effect in hot weather. . There are condensers and evaporators in the air-conditioning system, which can cool the air in summer, and the cooling effect is better than that of ceiling fans, but the electricity load of the air-conditioning system has obvious differences in time. , the number of people is large, the refrigeration capacity of the air conditioner is required to be large, and the electricity load of the air conditioner is large. At night, the demand for cooling capacity of the air conditioner is low, and the power consumption is small, resulting in a large difference in the power consumption between day and night. Although the temperature control can be achieved by setting the indoor target temperature, it is often After the temperature is set, there will be no more regulation, and the air conditioner will always operate according to the set temperature; the energy consumption of the air conditioner will remain high, so we propose an air conditioner that couples phase-change cold storage and ceiling fan ventilation. The system is an improvement to an existing refrigeration system.

Utility model content

The purpose of the present utility model is to improve and innovate the shortcomings and problems existing in the background technology, and to provide an air-conditioning system coupled with phase-change cold storage and ceiling fan ventilation.

In order to achieve the above purpose, the present invention provides the following technical solutions: an air-conditioning system coupled with phase-change cold storage and ceiling fan ventilation, comprising a ceiling fan, the upper end of the ceiling fan is mounted on a beam through a hanger rod, and also includes a first pipeline, a second pipeline, a first Three pipes, a radiant end and a cold storage box. Chilled water or refrigerant enters and leaves the radiant end through the first pipe, and chilled water or refrigerant enters and leaves the cold storage box through a second pipe. The radiant end is set directly above the ceiling fan, and the middle of the first pipe runs through the radiant. The end conducts cold energy to it, the middle part of the second pipe runs through the cold storage tank and conducts cold energy to it, and the third pipe is used for cold energy exchange between the radiation end and the cold storage box.

A further solution is that the water inlet end of the first pipeline is provided with a first water pump and a first valve, the third pipeline is provided with a second water pump and a second valve, and the second valve is used to control the third On-off of the pipeline.

A further solution is that the two ends of the second pipe are respectively fixedly connected with the water inlet and outlet ends of the first pipe, the water inlet end of the second pipe is provided with a third valve, and the water outlet end of the second pipe is provided with a third valve. Four valves.

A further solution is that the cold storage box is installed just above the radiation end, and both the cold storage box and the radiation end are installed on the boom.

A further solution is that the cold storage box is filled with phase-change cold storage agent, and the outer wall of the cold storage box is provided with a thermal insulation layer.

In a further solution, the phase-change cool storage agent is a polyvinyl alcohol-borax high-efficiency cool storage agent, and the thermal insulation layer is prepared from polyurethane foam.

In a further solution, the first and third pipes are both arranged as continuous U-shaped pipes in the radiation end, and the first and third pipes conduct cold energy conduction with the inner wall of the cold storage box through the radiation plate.

A further solution is that the radiation plate is an aluminum plate.

A further solution is that the second pipeline and the third pipeline are both set as continuous U-shaped tubes in the cold storage tank.

Compared with the prior art, the beneficial effect of the utility model is: when the air temperature is low at night, the chilled water or the refrigerant exchanges heat to the cold storage box through the second pipeline, so that the cold storage agent in the cold storage box continuously stores the cold energy; When the temperature is high, the cold storage agent in the cold storage tank is used to provide cooling capacity to the radiant terminal, so as to reduce the operating power of the air-conditioning system during peak hours. It can work in the load frequency band area, which effectively reduces the operating cost of the air conditioning system and the load of the power grid. In addition, the large-area air supply of the ceiling fan improves the uniformity of the air supply of the air conditioner and improves the uniformity of the temperature in the indoor area.

Description of drawings

Fig. 1 is the structural representation of the air-conditioning system of the present invention;

Figure 2 is a schematic structural diagram of the pipeline connection relationship between the cold storage tank and the radiation terminal of the air-conditioning system of the present invention;

3 is a schematic diagram of the internal structure of the cold storage box of the present invention;

4 is a schematic view of the cross-sectional structure of the radiation end of the present invention;

Reference signs: ceiling fan 1, boom 2, radiant end 3, cold storage tank 4, first pipeline 5, second pipeline 6, third pipeline 7, first water pump 8, first valve 9, second water pump 10, The second valve 11 , the third valve 12 , the fourth valve 13 , the radiation plate 14 , and the thermal insulation layer 15 .

Detailed ways

The present utility model will be described in further detail below in conjunction with accompanying drawings 1-4.

An air-conditioning system coupling phase-change cold storage and ceiling fan ventilation, comprising a ceiling fan 1, the upper end of the ceiling fan 1 is mounted on a beam through a suspension rod 2, and also includes a first pipe 5, a second pipe 6, a third pipe 7, a radiation end 3 and Cold storage box 4, chilled water or refrigerant enters and exits the radiation terminal 3 through the first pipe 5, and frozen water or refrigerant enters and exits the cold storage box 4 through the second pipe 6, the radiation terminal 3 is arranged directly above the ceiling fan 1, the cold storage box 4 Installed just above the radiation terminal 3 , the cold storage box 4 and the radiation terminal 3 are both installed on the boom 2 . The radiation end 3 is rectangular, and its diagonal is equal to or slightly larger than the diameter and length of the ceiling fan 1. The middle part of the first pipe 5 penetrates the radiation end 3 and conducts cold energy; Conducting cold energy, the third pipe 7 is used for the exchange of cold energy between the radiation terminal 3 and the cold storage tank 4 .

In this embodiment, the water inlet end of the first pipeline 6 is provided with a first water pump 8 and a first valve 9, the third pipeline 7 is provided with a second water pump 10 and a second valve 11, The second valve 11 is used to control the opening and closing of the third pipeline 7 .

In this embodiment, both ends of the second pipe 6 are fixedly connected to the water inlet and outlet ends of the first pipe 5 respectively, and the water inlet end of the second pipe 6 is provided with a third valve 12 , and the second pipe 6 A fourth valve 13 is provided at the water outlet end of the .

In this embodiment, the cold storage tank 4 is filled with a phase-change cold storage agent, and the phase-change cold storage agent is a polyvinyl alcohol-borax high-efficiency cold storage agent. Made of polyurethane foam, the thermal insulation layer 15 can prevent the cold energy stored in the cold storage tank 4 from being lost.

In this embodiment, the first pipe 5 and the third pipe 7 are both set as continuous U-shaped pipes in the radiation end 3 , and the first pipe 5 and the third pipe 7 are cooled by the radiant plate 14 and the inner wall of the cold storage box 4 . The radiation plate 14 is an aluminum plate.

In this embodiment, the second pipe 6 and the third pipe 7 are also set as continuous U-shaped pipes in the cold storage tank 4. It can be understood that this setting increases the heat exchange area and is beneficial to the cooling capacity. fully conducted.

The working principle of the utility model is as follows: in specific use, when the temperature is low at night, open the first valve 9, the third valve 12, the fourth valve 13 and the first water pump 8, close the second water pump 10 and the second valve 11, and at the first Under the action of a water pump 8, a part of the chilled water or refrigerant passes through the second pipeline 6 to the cold storage tank 4 for heat exchange, so that the cold storage agent in the cold storage tank 4 continuously stores the cold energy, and then flows back to the refrigeration system, and another part of the chilled water or The refrigerant passes through the first pipe 5 to the radiant end 3 for heat exchange, and then flows back to the refrigeration system to provide cooling to the radiant end 3. The motor drives the ceiling fan 1 to rotate, and the cold air is evenly sent to all parts of the room; when the temperature is high during the day, turn it on The first valve 9, the first water pump 8, the second valve 11 and the second water pump 10, close the third valve 12 and the fourth valve 13, under the action of the first water pump 8, the external chilled water or refrigerant all pass through the first pipeline 5 to the radiation terminal 3 for heat exchange, and then flow back to the refrigeration system. At the same time, under the action of the second water pump 10, the cooling water in the third pipe 7 conducts the cold energy stored in the cold storage tank 4 to the radiation terminal 3. The chilled water Together with the cool storage agent in the cool storage box 4, the radiant end 3 is provided with cooling capacity, and the motor drives the ceiling fan 1 to rotate, and the cool air is evenly sent to all parts of the room.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (9)

1. An air-conditioning system coupled with phase-change cold storage and ceiling fan ventilation, comprising a ceiling fan (1), and the upper end of the ceiling fan (1) is mounted on a beam through a hanger rod (2), characterized in that it also comprises a first pipe (5), The second pipe (6), the third pipe (7), the radiation end (3) and the cold storage tank (4), the chilled water or refrigerant enters and leaves the radiation end (3) through the first pipe (5), and the chilled water or refrigerant passes through the first pipe (5). Two pipes (6) enter and exit the cold storage box (4), the radiating end (3) is arranged directly above the ceiling fan (1), and the middle of the first pipe (5) penetrates the radiating end (3) and conducts cold energy to it. The middle part of the two pipes (6) runs through the cold storage tank (4) and conducts cold energy thereto, and the third pipe (7) is used for the exchange of cold energy between the radiation end (3) and the cold storage tank (4). 2. The air-conditioning system coupling phase-change cold storage and ceiling fan ventilation according to claim 1, wherein the water inlet end of the first pipe (5) is provided with a first water pump (8) and a first valve (9), the third pipeline (7) is provided with a second water pump (10) and a second valve (11), and the second valve (11) is used to control the on-off of the third pipeline (7). 3. An air-conditioning system coupling phase-change cold storage and ceiling fan ventilation according to claim 1 or 2, wherein the two ends of the second pipe (6) are respectively connected to the water inlet end of the first pipe (5). It is fixedly communicated with the water outlet, and the water inlet end of the second pipe (6) is provided with a third valve (12), and the water outlet end of the second pipe (6) is provided with a fourth valve (13). 4. The air-conditioning system coupling phase-change cold storage and ceiling fan ventilation according to claim 1, characterized in that: the cold storage box (4) is installed directly above the radiation end (3), and the cold storage box (4) and the The radiating ends (3) are all mounted on the boom (2). 5. An air-conditioning system coupling phase-change cold storage and ceiling fan ventilation according to claim 1, wherein the cold storage box (4) is filled with a phase-change cold storage agent, and the outer wall of the cold storage box (4) is provided with There is an insulating layer (15). 6. The air-conditioning system coupling phase-change cool storage and ceiling fan ventilation according to claim 5, wherein the phase-change cool storage agent is a polyvinyl alcohol-borax high-efficiency cool storage agent, and the thermal insulation layer (15) is composed of Made of polyurethane foam. 7. The air-conditioning system coupling phase-change cold storage and ceiling fan ventilation according to any one of claims 1, 2, 4, 5 and 6, characterized in that: the first duct (5) and the third duct ( 7) Continuous U-shaped pipes are arranged in the radiation end (3), and the first pipe (5) and the third pipe (7) conduct cold energy conduction with the inner wall of the cold storage box (4) through the radiation plate (14). 8 . The air-conditioning system coupling phase-change cold storage and ceiling fan ventilation according to claim 7 , wherein the radiation plate ( 14 ) is an aluminum plate. 9 . 9. The air-conditioning system coupling phase-change cold storage and ceiling fan ventilation according to any one of claims 1, 2, 4, 5 and 6, characterized in that: the second duct (6) and the third duct ( 7) All the cold storage boxes (4) are set as continuous U-shaped tubes.

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