CN217005478U - Open air source heat pump energy storage system - Google Patents
Open air source heat pump energy storage system Download PDFInfo
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- CN217005478U CN217005478U CN202220196998.7U CN202220196998U CN217005478U CN 217005478 U CN217005478 U CN 217005478U CN 202220196998 U CN202220196998 U CN 202220196998U CN 217005478 U CN217005478 U CN 217005478U
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Abstract
The utility model discloses an open type air source heat pump energy storage system which comprises a direct supply air source heat pump unit, a heat storage air source heat pump unit, a cold storage water tank, a heat storage water tank, a direct supply system circulating water pump and an energy storage system circulating water pump, wherein the direct supply air source heat pump unit is connected with the direct supply system circulating water pump through a first pipeline, the heat storage air source heat pump unit is sequentially connected with the energy storage system circulating water pump and the heat storage water tank through a second pipeline, and the second pipeline is connected with the cold storage water tank through a third pipeline. The utility model is convenient and flexible to use, saves energy and protects the environment.
Description
Technical Field
The utility model relates to the technical field of thermal engineering, in particular to an open type air source heat pump energy storage system.
Background
The following problems exist in the thermal engineering at present: 1. the water heat storage uses an electric heating wire to heat water to 80-130 ℃, and the heat storage mode is sensible heat storage. The heat storage mode has the advantages of small heat storage density, large heat loss and large occupied area. 2. The solid heat storage brick heats circulating air by using an electric heating wire, the temperature of the heat storage brick is raised to 500-800 ℃ by the air, and the heat storage mode is sensible heat storage. The heat storage mode has low heating efficiency, the heat storage bricks are easy to pulverize, the service life of the electric heating wires is short, the residual heat is large, and the heat is difficult to be extracted below 200 ℃. 3. Most of the traditional heat storage modes use an electric boiler as a heat source, and the efficiency is less than 1. 4. The open type air source heat pump energy storage system is provided aiming at the problems that the heat storage temperature is high, the heat loss is large and the open type air source heat pump energy storage system cannot be combined with a heat pump.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an open type air source heat pump energy storage system.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an open air source heat pump energy storage system, is including directly supplying air source heat pump set, heat accumulation air source heat pump set, cold-storage water tank, heat storage water tank, directly supplying system circulation water pump, energy storage system circulation water pump, directly supplying air source heat pump set has directly supplying system circulation water pump through first tube coupling, heat accumulation air source heat pump set has connected gradually energy storage system circulation water pump and heat storage water tank through the second tube coupling, the second tube coupling has cold-storage water tank through the third tube coupling.
Preferably, the first pipeline is connected with the second pipeline through a fourth pipeline, and the cold storage water tank is connected with the heat storage water tank through a fifth pipeline.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the medium-low temperature solid phase change material energy storage device adopts latent heat energy storage, and the energy storage density is about 5-8 times of that of water.
(2) The medium-low temperature solid phase change material has good cycle stability, almost no heat attenuation after about 6000 cycles, constant-temperature heat release and stable heat release.
(3) The medium-low temperature solid phase change material is combined with the air source heat pump, the efficiency of the air source heat pump is about 2.5 times that of an electric boiler, and compared with the heat storage of the electric boiler, the system can save 150% of electricity charge under the condition of the same heat production quantity.
(4) The temperature of the running water of the system pipeline is 40-60 ℃ in winter, and compared with the temperature of 80-130 ℃ of water heat storage and 500-800 ℃ of heat storage bricks, the system is safe and reliable.
(5) The medium-low temperature solid phase change material energy storage device is open and has no pressure; and the heat storage tank in the high-temperature water heat storage system is a high-pressure container, and compared with the high-pressure container, the system is simpler and safer.
(6) Through the bypass valve bank between the water supply and return pipelines, the problems that the temperature difference between water supply and return of a user is 10 ℃, the temperature difference between water supply and return of an air source heat pump is 5 ℃, and the temperature difference between the water supply and return of the air source heat pump is not matched are solved.
Drawings
Fig. 1 is a system block diagram of an open air source heat pump energy storage system according to the present invention.
In the figure: the system comprises a direct-supply air source heat pump unit 1, a heat storage air source heat pump unit 2, a cold storage water tank 3, a heat storage water tank 4, a direct-supply system circulating water pump 5 and an energy storage system circulating water pump 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, an open air source heat pump energy storage system, including directly supplying air source heat pump set 1, heat accumulation air source heat pump set 2, cold-storage water tank 3, heat storage water tank 4, directly supplying system circulating water pump 5, energy storage system circulating water pump 6, directly supplying air source heat pump set 1 and having directly supplying system circulating water pump 5 through first pipe connection, heat accumulation air source heat pump set 2 has connected gradually energy storage system circulating water pump 6 and heat storage water tank 4 through the second pipeline, the second pipeline has cold-storage water tank 3 through third pipe connection.
The first pipeline is connected with the second pipeline through a fourth pipeline, and the cold accumulation water tank 3 is connected with the heat accumulation water tank 4 through a fifth pipeline.
The working principle is as follows: the system can realize the cooling in summer and the heating in winter by utilizing the characteristics that the air source heat pump can refrigerate and heat; the characteristics that the phase change point of the medium-low temperature solid phase change material is in the water outlet range of the air source heat pump are utilized, and the cold accumulation in summer and the heat accumulation in winter of the energy storage system can be realized.
The system operation mode is as follows:
a direct supply system: the direct-supply air source heat pump unit 1 and the direct-supply system circulating water pump 5 run to directly supply energy, and the direct-supply system flexibly controls the starting time according to the energy supply requirement of a building.
An energy storage system: the heat storage air source heat pump unit 2 and the energy storage system circulating water pump 6 operate to store energy in the energy storage device, when the energy storage device is full, the heat storage air source heat pump unit 2 and the energy storage system circulating water pump 6 stop, the energy storage system operates for 8 hours at night, and the stored energy can be used for 8 hours in the daytime.
The energy release system comprises: the energy releasing water pump runs to supply energy, the energy in the energy storage device is exhausted, the energy releasing water pump stops, and the energy releasing system runs for 8 hours in the daytime.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (2)
1. The utility model provides an open air source heat pump energy storage system, includes directly that air source heat pump set (1), heat accumulation air source heat pump set (2), cold-storage water tank (3), hot water storage tank (4), directly supplies system circulating water pump (5), energy storage system circulating water pump (6), a serial communication port, directly supply air source heat pump set (1) to have directly to supply system circulating water pump (5) through first tube coupling, heat accumulation air source heat pump set (2) have connected gradually energy storage system circulating water pump (6) and hot water storage tank (4) through the second pipeline, the second pipeline has cold-storage water tank (3) through the third tube coupling.
2. An open air source heat pump energy storage system according to claim 1, characterized in that the first pipeline is connected with the second pipeline through a fourth pipeline, and the cold storage water tank (3) is connected with the hot storage water tank (4) through a fifth pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220196998.7U CN217005478U (en) | 2022-01-25 | 2022-01-25 | Open air source heat pump energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220196998.7U CN217005478U (en) | 2022-01-25 | 2022-01-25 | Open air source heat pump energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217005478U true CN217005478U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220196998.7U Active CN217005478U (en) | 2022-01-25 | 2022-01-25 | Open air source heat pump energy storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217005478U (en) |
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2022
- 2022-01-25 CN CN202220196998.7U patent/CN217005478U/en active Active
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