CN218209890U

CN218209890U - Ice cold storage device of central air conditioner

Info

Publication number: CN218209890U
Application number: CN202222746019.3U
Authority: CN
Inventors: 李毅; 向晓东; 向攀
Original assignee: Shenzhen Xingyuan Environmental Engineering Co ltd
Current assignee: Shenzhen Xingyuan Environmental Engineering Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-03
Anticipated expiration: 2032-10-18

Abstract

The application discloses an ice cold accumulation device of a central air conditioner, which relates to the field of central air conditioners and comprises a water storage tank, a plurality of cold accumulation tanks, an evaporator and a heat exchange plate; the water storage tank is provided with a coil pipe, the coil pipe penetrates through the cold storage tanks and is connected with the heat exchange plate, and high-temperature liquid converged by the heat exchange plate enters the water storage tank through the coil pipe; the cold storage tanks are connected with circulating pipes, the circulating pipes are connected with the evaporator, and the circulating pipes passing through the evaporator are connected with the corresponding water storage tanks again to enable water to flow back into the cold storage tanks; the water in the cold storage tank is in a eutectic state. This application has the refrigerated beneficial effect of improvement cold-storage device.

Description

Ice cold storage device of central air conditioner

Technical Field

The application relates to the field of central air conditioners, in particular to an ice cold storage device of a central air conditioner.

Background

The ice storage system of the central air conditioner is characterized in that during the electricity utilization valley, refrigeration equipment is utilized for storing cold, so that a cold storage medium is stored in a low-temperature state; during the peak of power consumption, the low-temperature cold energy released by the cold accumulation medium is transported through the coil pipe, cold air output is formed at the air outlet of the air conditioner, and the cold energy can slowly become hot in the transportation process and finally returns to the water storage tank until the next refrigeration equipment is started.

The ice cold accumulation system comprises two implementation modes, wherein one mode is static refrigeration, and the main cold accumulation device is a cold accumulation box; the static refrigeration is realized by freezing water in the cold storage box, passing the coil pipe through the cold storage box, absorbing cold energy by the water in the coil pipe, realizing temperature reduction of the water in the coil pipe, and then conveying cold water in a low-temperature state to an air outlet port of the air conditioner through the heat converter.

In the related art, chinese patent No. CN202648023U discloses an integrated ice storage unit and an ice storage air conditioner; the integrated ice cold accumulation unit further comprises an ice groove for storing water, an ice coil pipe is further arranged in the ice groove, the input end of the ice coil pipe is connected with a first valve through an output end pipeline of the cold machine, the output end of the ice coil pipe is connected with a second valve through an input end pipeline of a coolant pump, the output end of the cold machine is connected with a third valve through an input end pipeline of the heat exchange plate, and the output end of the ice coil pipe is connected with a fourth valve through an input end pipeline of the heat exchange plate.

However, in the static refrigeration embodiment, ice in the cold storage box is firmly frozen; ice close to the coil pipe can be preheated and melted firstly, and a water interval exists between the ice and the coil pipe; compare in water, the cooling effect that ice played is better, but because the hindrance of water, leads to the unable direct contact of ice and coil pipe for later stage cooling effect is unsatisfactory.

SUMMERY OF THE UTILITY MODEL

In order to improve the refrigeration effect in the static refrigeration process, the application provides an ice cold storage device of a central air conditioner.

The application provides an ice cold-storage device of central air conditioning adopts following technical scheme:

an ice cold storage device of a central air conditioner comprises a water storage tank, a plurality of cold storage tanks, an evaporator and a heat exchange plate; the water storage tank is provided with a coil pipe, the coil pipe penetrates through the cold storage tanks and is connected with the heat exchange plate, and high-temperature liquid converged by the heat exchange plate enters the water storage tank through the coil pipe; the cold storage tanks are connected with circulating pipes, the circulating pipes are connected with the evaporator, and the circulating pipes passing through the evaporator are connected with the corresponding water storage tanks again to enable water to flow back into the cold storage tanks; the water in the cold storage tank is in a eutectic state.

By adopting the technical scheme, the circulating pipe is connected with the corresponding cold storage box, and the process of making ice by water in the cold storage box through the evaporator is realized, so that the water is changed into an eutectic state, on one hand, the possibility of blockage of the water and the ice in the eutectic state in the transportation process is reduced, on the other hand, the water and the water in the eutectic state have better mobility in the cold storage box, the temperature in the coil pipe can be quickly absorbed, the water and the ice can be quickly melted, the ice can be close to the coil pipe in the flowing process, and the coil pipe can be more effectively cooled; the coil pipe passes through a plurality of cold storage boxes to realize the cooling of water in the coil pipe, the cooled water is conveyed to a corresponding air conditioner outlet through a heat exchange plate, and the heated water flows back into a water storage box through the coil pipe; and the coil pipe can pass through a plurality of cold storage boxes, so that the time of the coil pipe in the cold storage boxes is prolonged, and the temperature of the water flowing out reaches a preset value.

Optionally, the cold storage box comprises a first chamber through which the coil pipe passes and a second chamber in which water in the cold storage box is in an eutectic state, and a blocking plate located between the first chamber and the second chamber is fixed on the inner wall of the cold storage box; the second chamber is wrapped in the first chamber; the inner wall of the second chamber is provided with a curved plate which descends in a spiral mode, one side of the curved plate is fixed to the inner wall of the cold storage box, and the other side of the curved plate is fixed to the side wall of the blocking plate.

By adopting the technical scheme, the first chamber is used for the coil pipe to pass through, and the second chamber is used for supplying water in an eutectic state; the cold energy of the second chamber is transferred to the water in the coil pipe through the barrier plate, so that the temperature is reduced; because the heat absorption of ice state is better than the effect of water, consequently through being provided with the bent plate for water can follow the downward flow of bent plate inclined plane, because ice relative motion resistance under the eutectic state is great, removes more slowly, and the time of surviving in the second cavity is longer, can press close to the baffler in the motion process, makes the heat to the coil pipe absorb better.

Optionally, the water storage tank is located on a radial straight line of the curved plate, and the position where the curved plate is connected to the inner wall of the water storage tank is higher than the position where the curved plate is connected to the blocking plate.

Through adopting above-mentioned technical scheme, the inclination of bent plate impels ice under the eutectic condition to hug closely in the baffler for can absorb the heat in the coil pipe fast.

Optionally, the curved plate is provided with a filter hole.

Through adopting above-mentioned technical scheme, can be so that hydroenergy oozes through filtering the hole fast, reduce water on the one hand and drive the ice possibility of rapid movement, on the other hand makes ice can have more probably to hug closely in the baffler.

Optionally, a screening plate for filtering water is fixed on the inner wall of the second chamber, and the screening plate is located below the curved plate; one side of the screening plate is connected to the inner wall of the cold storage box, and the other side of the screening plate is connected to the side wall of the blocking plate.

By adopting the technical scheme, the possibility that the ice in the eutectic state enters the circulating pipe again without melting is reduced by the screening plate, so that the energy-saving effect is realized.

Optionally, the coil pipe located in the cold storage box is of a snake-shaped structure.

By adopting the technical scheme, the water in the coil pipe can stay in the cold accumulation box for a long time, so that the water in the coil pipe can fully absorb cold.

Optionally, a plurality of delaying plates for delaying ice from rapidly flowing away in an eutectic state are arranged on the curved plate, and each delaying plate is provided with a plurality of meshes.

By adopting the technical scheme, the delay plate can play a role of slowly sliding down on the ice in the eutectic state, so that the retention time of the ice in the eutectic state in the cold storage box is longer.

Optionally, a one-way valve is arranged on a circulating pipe connected to the outflow water of the cold storage tank.

Through adopting above-mentioned technical scheme, the setting of check valve reduces the backward flow problem of water in the circulating pipe on the one hand, and on the other hand, whether accessible control check valve closes realizes the refrigeration to partial cold-storage tank to this energy saving consumes.

In summary, the present application includes at least one of the following beneficial technical effects:

the water in the second chamber is stored in the cold storage box in an eutectic state, so that the inward ice and water in the ice storage box have certain fluidity, the ice can be better close to the coil pipe, and the refrigeration effect is improved.

2. The setting of bent plate makes ice and water under the eutectic condition have mobility, and ice can make the cooling to the coil pipe more obvious near first cavity.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural view of the inside of the cold storage tank.

Fig. 3 is a schematic structural view of a curved plate.

Description of reference numerals:

1. a water storage tank; 2. a cold storage tank; 3. an evaporator; 4. a heat exchanging plate; 5. a circulation pipe; 6. a first chamber; 7. a second chamber; 8. a barrier plate; 9. a curved plate; 10. a filtration pore; 11. a delay plate; 12. a one-way valve; 13. a coil pipe; 14. and (4) a screening plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses an ice cold-storage device of a central air conditioner, which refers to a water storage tank 1 and a figure 1. A plurality of cold storage boxes 2, evaporators 3 and heat exchange plates 4; water is stored in the water storage tank 1, and the cold energy is conveyed to an air outlet of the air conditioner through the circulation of the water; the water storage tank 1 is provided with a coil pipe 13, the coil pipe 13 is communicated with the inner cavity of the water storage tank 1, and the coil pipe 13 penetrates through the plurality of cold storage tanks 2 so as to drive water in the water storage tank 1 to pass through the cold storage tanks 2, so that the water in the coil pipe 13 absorbs cold in the cold storage tanks 2; the coil 13 is connected to the heat exchanging plate 4 after passing through the cold storage box 2, and low-temperature water in the coil 13 passes through the heat exchanging plate 4 to realize that cold water is conveyed into an air outlet of a corresponding air conditioner; high-temperature water returning from the heat exchange plate 4 flows back to the water storage tank 1 through the coil pipe 13; the tank 1, the heat exchanger plate 4 and the coil 13 connected to both form a closed loop.

Referring to fig. 1, circulation pipes 5 are arranged on the cold storage tanks 2, the circulation pipes 5 are connected to the evaporators 3, and the circulation pipes 5 are connected to the corresponding cold storage tanks 2 again after passing through the evaporators 3; the water in the cold storage tank 2 is rapidly cooled through the evaporator 3, so that the water flowing back to the cold storage tank 2 from the evaporator 3 is in an eutectic state, and on one hand, the water in the circulating pipe 5 is in the eutectic state, and the possibility of blockage in the transportation process is reduced; on the other hand, because of the eutectic state, ice and water in the cold storage box 2 have certain fluidity, the problem that the thermal resistance effect of the ice is more and more obvious due to the increase of the ice thickness is solved, and meanwhile, in the flowing process, more ice can be close to the coil pipe, so that the refrigeration effect is better.

Referring to fig. 1 and 2, the cold storage box 2 includes a first chamber 6 for the coil 13 to pass through, and a second chamber 7 for water cooling to form eutectic state, the second chamber 7 wraps the first chamber 6, and the first chamber 6 is located in the middle of the cold storage box 2; 2 inner walls of cold storage box are provided with separation plate 8, and separation plate 8 is used for separating first cavity 6 and second cavity 7, and separation plate 8 is vertical setting, and the upper surface of separation plate 8 welds in 2 roof lower surfaces of cold storage box, and the lower surface of separation plate 8 welds in 2 bottom plate upper surfaces of cold storage box; the inner wall of cold storage box 2 is provided with the bent plate 9 that is located second chamber 7, and bent plate 9 is heliciform downwardly extending, and just centers on first chamber 6, makes water and ice in the second chamber 7 have certain mobility to this quick runoff that realizes water, ice is close to baffler 8 in the motion process, realizes the heat of faster absorption coil pipe release.

Referring to fig. 1 and 2, on the same radial straight line of curved plate 9, the contact point of curved plate 9 welded on the sidewall of cold storage box 2 is higher than the contact point of curved plate 9 welded on the sidewall of blocking plate 8, so that the ice in second chamber 7 tends to move towards first chamber 6, and the cooling effect of the ice on coil pipe 13 in the eutectic state is better and obvious.

Referring to fig. 1 and 2, a plurality of delay plates 11 are welded on the upper surface of a curved plate 9, the delay plates 11 are vertically arranged, the delay plates 11 are also arranged at intervals according to the spiral trend of the curved plate 9, and one ends of the delay plates 11 are welded on a blocking plate 8; the delaying plate 11 is provided with a plurality of meshes to realize the flow of water, but delay the descending trend of ice in a eutectic state; the screening plate 14 located in the second chamber 7 is welded to the inner wall of the cold storage box 2, the screening plate 14 is located below the bent plate 9, ice in an eutectic state flowing down from the bent plate 9 is received, the delaying plate 11 is provided with a plurality of meshes, water to be melted enters the circulating pipe 5 through the screening plate 14, the possibility that the ice in the eutectic state reenters the circulating pipe 5 is reduced, the energy-saving effect is achieved, and the ice can be placed in the cold storage box 2 for a long time.

Referring to fig. 3, the curved plate 9 is provided with filtering holes 10 so that the melted water can flow down rapidly, and the possibility that the ice cannot approach the first chamber 6 due to buoyancy is reduced.

Referring to fig. 1 and 2, the coil 13 in the first chamber 6 is in a serpentine configuration, so that the coil 13 stays in the first chamber 6 for a long time, and the cold water in the coil 13 can achieve a good cooling effect.

Referring to fig. 1 and 2, a check valve 12 is provided on each of the circulation pipes 5 between which water in the cold storage tank 2 flows into the evaporator 3, and the possibility of backflow of the liquid is reduced by the check valve 12 while controlling the amount of cold storage by the check valve 12, thereby achieving a further energy saving effect.

The implementation principle of the ice cold storage device of the central air conditioner is as follows: the coil 13 is cooled through the cold storage boxes 2, then the coil 13 is enabled to convey water in the coil 13 through the heat exchange plate 4, and the water which has released cold energy is converged into the water storage box 1 through the coil 13; the water in the cold storage box 2 is cooled through the evaporator 3; get into ice and water under the eutectic condition in the cold-storage box 2 and store in cold-storage box 2, when needs release cold volume, ice is after becoming liquid, because the setting of bent plate 9, ice and water can move in inside to make ice be close to first cavity 6 more easily, realize then that the cooling to coil pipe 13 is more effective.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An ice cold-storage device of a central air conditioner is characterized in that: comprises a water storage tank (1), a plurality of cold storage tanks (2), an evaporator (3) and a heat exchange plate (4); a coil pipe (13) is arranged on the water storage tank (1), the coil pipe (13) penetrates through the cold storage tanks (2) and then is connected with the heat exchange plate (4), and high-temperature liquid converged by the heat exchange plate (4) enters the water storage tank (1) through the coil pipe (13); the cold storage tanks (2) are connected with circulating pipes (5), the circulating pipes (5) are connected with the evaporator (3), and the circulating pipes (5) passing through the evaporator (3) are connected with the corresponding cold storage tanks (2) again to enable water to flow back to the cold storage tanks (2); the water in the cold storage box (2) is in a eutectic state.

2. The ice thermal storage device of a central air conditioner as claimed in claim 1, wherein: the cold storage box (2) comprises a first chamber (6) for the coil pipe (13) to pass through and a second chamber (7) for the water in the cold storage box (2) to be in an eutectic state, and a blocking plate (8) positioned between the first chamber (6) and the second chamber (7) is fixed on the inner wall of the cold storage box (2); the second chamber (7) is wrapped in the first chamber (6); the inner wall of the second chamber (7) is provided with a spiral descending curved plate (9), one side of the curved plate (9) is fixed on the inner wall of the cold storage box (2), and the other side of the curved plate is fixed on the side wall of the separation plate (8).

3. An ice thermal storage device of a central air conditioner according to claim 2, characterized in that: and the bent plate (9) is connected to the inner wall of the water storage tank (1) and is higher than the bent plate (9) and is connected to the blocking plate (8).

4. An ice thermal storage device of a central air conditioner according to claim 3, characterized in that: the bent plate (9) is provided with a filtering hole (10).

5. The ice thermal storage device of a central air conditioner as claimed in claim 4, wherein: a screening plate (14) for filtering water out is fixed on the inner wall of the second chamber (7), and the screening plate (14) is positioned below the bent plate (9); one side of the screening plate (14) is connected with the inner wall of the cold storage box (2), and the other side of the screening plate (14) is connected with the side wall of the barrier plate (8).

6. An ice thermal storage device of a central air conditioner according to claim 5, characterized in that: the coil pipe (13) positioned in the cold storage box (2) is of a snake-shaped structure.

7. The ice thermal storage device of a central air conditioner according to claim 6, characterized in that: the curved plate (9) is provided with a plurality of delaying plates (11) for delaying ice to rapidly flow away in an eutectic state, and the delaying plates (11) are provided with a plurality of meshes.

8. An ice thermal storage device of a central air conditioner according to claim 7, characterized in that: and the circulating pipes (5) connected with the water flowing out of the cold storage tank (2) are provided with one-way valves (12).