CN215930182U - Heat pump cold and hot water integrated unit - Google Patents
Heat pump cold and hot water integrated unit Download PDFInfo
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- CN215930182U CN215930182U CN202122446318.0U CN202122446318U CN215930182U CN 215930182 U CN215930182 U CN 215930182U CN 202122446318 U CN202122446318 U CN 202122446318U CN 215930182 U CN215930182 U CN 215930182U
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Abstract
The utility model provides a heat pump cold and hot water integrated unit which comprises a compressor, an outdoor heat exchanger, a heating coil and a refrigerating coil, wherein the heating coil is arranged in a hot water tank; the refrigeration coil is arranged in the cold water tank, the liquid outlet of the compressor is connected with the outdoor heat exchanger, the outdoor heat exchanger is connected with the inlet of the refrigeration coil through the second throttling element, and the outlet of the refrigeration coil is connected with the air return port of the compressor in a backflow mode. The utility model realizes the breakthrough technology of a cold and hot water mode, a single hot water mode and a single cold water mode, and simultaneously receives cold when producing hot water or simultaneously receives heat when producing cold water. Therefore, the energy is fully utilized, the energy consumption is reduced, the cost is reduced, the cold water and the hot water can be conveniently used at the same time, and the first heat pump cold water and hot water integrated machine is realized.
Description
Technical Field
The utility model belongs to the technical field of machinery, relates to a heat pump system, and particularly relates to a heat pump cold and hot water integrated unit.
Background
Heat pump technology is a new energy technology that has received much attention worldwide in recent years. The well-known "pump" is a mechanical device that can increase the potential energy, such as a water pump that mainly pumps water from a low level to a high level. The heat pump is a device which can obtain low-level heat energy from air, water or soil in the nature and provide high-level heat energy which can be used by people through electric energy acting.
Heat pump technology today generates cold or hot water by absorbing or dissipating energy into the surrounding air. At present, the heat pump which is inherent in the market only generates hot water or only generates cold water when working, and does not have the breakthrough technology of cooling when generating hot water, namely simultaneously generating cold water, or reversely, receiving heat when generating cold water, namely simultaneously generating hot water. Thus, no complete circulation device is available on the market to produce both hot and cold water.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides a heat pump cold and hot water integrated unit which is provided with two condensers simultaneously, wherein one condenser is used for heating and the other condenser is used for refrigerating, and hot water and cold water are produced simultaneously.
The purpose of the utility model can be realized by the following technical scheme: the heat pump cold and hot water integrated unit comprises a compressor, an outdoor heat exchanger, a heating coil and a refrigerating coil, and is characterized in that the heating coil is arranged in a hot water tank, the heating coil is spirally wound from top to bottom, a liquid outlet of the compressor is connected with an inlet of the heating coil, an outlet of the heating coil is connected with the outdoor heat exchanger through a first throttling element, and the outdoor heat exchanger is connected with a gas return port of the compressor in a backflow mode; the refrigeration coil is arranged in the cold water tank, the refrigeration coil is spirally wound from top to bottom, the liquid outlet of the compressor is connected with the outdoor heat exchanger, the outdoor heat exchanger is connected with the inlet of the refrigeration coil through a second throttling element, and the outlet of the refrigeration coil is connected with the air return port of the compressor in a backflow mode.
In the heat pump water chiller-heater unit, the gas-liquid separator is connected to the return port of the compressor.
In the heat pump cold and hot water integrated unit, the four-way valve is connected to a liquid outlet of the compressor, and the outdoor heat exchanger is connected to a return air port of the compressor through a return port of the four-way valve.
In the heat pump water cooling and heating integrated unit, the compressor is connected to the outdoor heat exchanger through the four-way valve.
In the heat pump water-cooling-heating integrated unit, the outlet of the heating coil is sequentially connected with the first check valve, the liquid storage tank and the three-way valve, and one port of the three-way valve is connected with the first throttling element.
In the heat pump cold and hot water integrated unit, a second check valve, the liquid storage tank and the three-way valve are sequentially connected in series between the outdoor heat exchanger and the second throttling element, and the other port of the three-way valve is connected with the second throttling element.
In the heat pump cold and hot water integrated unit, the bottom of the hot water tank is provided with a cold water inlet, and the top is provided with a hot water outlet; the top of the cold water tank is provided with a normal-temperature water inlet, and the bottom of the cold water tank is provided with a cooling water outlet.
Compared with the prior art, the heat pump cold and hot water integrated unit has the following beneficial effects:
the breakthrough technology of the cold and hot water mode, the single hot water mode and the single cold water mode is realized by adopting a compressor and a heat exchanger to be matched with two condensers, and cold water is simultaneously collected and produced when hot water is produced, or cold water is produced when cold water is produced, and hot water is produced. Therefore, the energy is fully utilized, the energy consumption is reduced, the cost is reduced, the cold water and the hot water can be conveniently used at the same time, and the first heat pump cold water and hot water integrated machine is realized.
Drawings
Fig. 1 is a schematic diagram of the structure of the heat pump water chiller-heater unit.
In the figure, 1, a compressor; 2. a four-way valve; 3. a heating coil; 4. a hot water tank; 5. a first check valve; 6. a liquid storage tank; 7. a three-way valve; 8. a first throttling element; 9. an outdoor heat exchanger; 10. a second check valve; 11. a second throttling element; 12. a refrigeration coil; 13. a cold water tank; 14. a gas-liquid separator.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, the heat pump cold and hot water integrated unit includes a compressor 1, an outdoor heat exchanger 9, a heating coil 3 and a refrigerating coil 12, the heating coil 3 is disposed in a hot water tank 4, the heating coil 3 is spirally wound from top to bottom, a liquid outlet of the compressor 1 is connected to an inlet of the heating coil 3, an outlet of the heating coil 3 is connected to the outdoor heat exchanger 9 through a first throttling element 8, and the outdoor heat exchanger 9 is connected to a return air port of the compressor 1 in a backflow manner; the refrigeration coil 12 is arranged in the cold water tank 13, the refrigeration coil 12 is spirally wound from top to bottom, a liquid outlet of the compressor 1 is connected with the outdoor heat exchanger 9, the outdoor heat exchanger 9 is connected with an inlet of the refrigeration coil 12 through the second throttling element 11, and an outlet of the refrigeration coil 12 is connected with a return air port of the compressor 1 in a backflow mode.
The return port of the compressor 1 is connected to a gas-liquid separator 14.
The four-way valve 2 is connected to the liquid outlet of the compressor 1, and the outdoor heat exchanger 9 is connected to the return air port of the compressor 1 through the return port of the four-way valve 2.
The compressor 1 is connected to an outdoor heat exchanger 9 through a four-way valve 2.
The outlet of the heating coil 3 is connected with a first check valve 5, a liquid storage tank 6 and a three-way valve 7 in sequence, and a port of the three-way valve 7 is connected with a first throttling element 8.
A second check valve 10, a liquid storage tank 6 and a three-way valve 7 are sequentially connected between the outdoor heat exchanger 9 and a second throttling element 11 in series, and the other port of the three-way valve 7 is connected with the second throttling element 11.
The bottom of the hot water tank 4 is provided with a cold water inlet, and the top is provided with a hot water outlet; the top of the cold water tank 13 is provided with a normal temperature water inlet, and the bottom is provided with a cooling water outlet.
The operation method of the heat pump cold and hot water integrated unit comprises the following steps:
1) and a single hot water mode:
firstly, a refrigerant is compressed by a compressor 1 to form the refrigerant with the increased temperature after being compressed, the high-temperature refrigerant flows through a heating coil 3 to release heat so as to heat water in a hot water tank 4 to produce hot water, the refrigerant after heat exchange is cooled by a first throttling element 8 and then enters an outdoor heat exchanger 9 to absorb heat and vaporize, the refrigerant is led into the water again to produce hot water, and finally, the refrigerant returns to the compressor 1 to carry out the next round of heating cycle;
2) and a single cold water mode:
the liquid refrigerant in the outdoor heat exchanger 9 absorbs the heat in the water and starts to evaporate, finally a certain temperature difference is formed between the refrigerant and the water, the liquid refrigerant is completely evaporated and changed into a gas state, then the gas refrigerant is sucked and compressed by the compressor 1, the gas refrigerant absorbs the heat through the outdoor heat exchanger 9 and is condensed into liquid, the liquid refrigerant is changed into a low-temperature and low-pressure refrigerant through the second throttling element 11 and flows through the refrigerating coil 12, the low-temperature and low-pressure refrigerant absorbs heat to cool the normal-temperature water in the cold water tank 13 to produce cooling water, and finally the refrigerant returns to the compressor 1 to perform the next round of refrigerating cycle;
3) and a cold and hot water mode:
firstly, a refrigerant is compressed by the compressor 1 to form a refrigerant with increased temperature after compression, the high-temperature refrigerant flows through the heating coil 3 to release heat so as to heat water in the hot water tank 4 to produce hot water, the refrigerant after heat exchange passes through the second throttling element 11 to become a low-temperature low-pressure refrigerant and directly flows into the refrigerating coil 12, the low-temperature low-pressure refrigerant absorbs heat so as to cool normal-temperature water in the cold water tank 13 to produce cooling water, and finally the refrigerant returns to the compressor 1.
The heat in the cold water tank 13 is absorbed and introduced into the refrigerant by the refrigeration coil 12, and the refrigerant is introduced into the water again to generate hot water. In the process of producing hot water, the heat pump will compress the gas in the heat exchanger to collect heat to produce hot water, and at the same time, the heat pump will collect the sub-cooled gas in another heat exchanger to produce cold water.
In step 3), if the cold water reaches the temperature first, the mode is switched to the single hot water mode, and the outdoor heat exchanger 9 absorbs heat from the air to heat the water.
In step 3), if the hot water reaches the temperature first, the mode is switched to the single cold water mode, the outdoor heat exchanger 9 starts to work, and the circulation refrigeration is carried out until the cold water reaches the required temperature.
Compared with the prior art, the heat pump cold and hot water integrated unit has the following beneficial effects:
the breakthrough technology of the cold and hot water mode, the single hot water mode and the single cold water mode is realized by adopting one compressor 1 and one heat exchanger to be matched with two condensers, and cold water is simultaneously collected and produced when hot water is produced, or hot water is simultaneously collected and produced when cold water is produced. Therefore, the energy is fully utilized, the energy consumption is reduced, the cost is reduced, the cold water and the hot water can be conveniently used at the same time, and the first heat pump cold water and hot water integrated machine is realized.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Although the compressor 1 is used more herein; a four-way valve 2; a heating coil 3; a hot water tank 4; a first check valve 5; a liquid storage tank 6; a three-way valve 7; a first throttling element 8; an outdoor heat exchanger 9; a second non-return valve 10; a second throttling element 11; a refrigeration coil 12; a cold water tank 13; gas-liquid separator 14, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (6)
1. A heat pump cold and hot water integrated unit comprises a compressor, an outdoor heat exchanger, a heating coil and a refrigerating coil, and is characterized in that the heating coil and a hot water tank form heat exchange connection, the heating coil is spirally wound from top to bottom, a liquid outlet of the compressor is connected with an inlet of the heating coil, an outlet of the heating coil is connected with the outdoor heat exchanger through a first throttling element, and the outdoor heat exchanger is connected with a return port of the compressor in a backflow mode; the refrigeration coil is in heat exchange connection with the cold water tank, the refrigeration coil is spirally wound from top to bottom, a liquid outlet of the compressor is connected with the outdoor heat exchanger, the outdoor heat exchanger is connected with an inlet of the refrigeration coil through a second throttling element, and an outlet of the refrigeration coil is in backflow connection with a gas return port of the compressor; and the gas return port of the compressor is connected with a gas-liquid separator.
2. The heat pump all-in-one chiller/heater unit as set forth in claim 1, wherein a four-way valve is connected to a liquid outlet of said compressor, and said outdoor heat exchanger is connected to a return port of said compressor through a return port of said four-way valve.
3. The heat pump all-in-one chiller according to claim 2 wherein said compressor is connected to said outdoor heat exchanger by said four-way valve.
4. The heat pump all-in-one unit as claimed in claim 1, wherein the outlet of the heating coil is sequentially connected to a first check valve, a reservoir and a three-way valve, and a port of the three-way valve is connected to the first throttling element.
5. The heat pump integrated chiller-heater unit according to claim 4, wherein a second check valve, the reservoir and the three-way valve are connected in series between the outdoor heat exchanger and the second throttling element in sequence, and another port of the three-way valve is connected to the second throttling element.
6. The heat pump all-in-one unit as claimed in claim 1, wherein a cold water inlet is provided at the bottom of the hot water tank, and a hot water outlet is provided at the top; the top of the cold water tank is provided with a normal-temperature water inlet, and the bottom of the cold water tank is provided with a cooling water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122446318.0U CN215930182U (en) | 2021-10-11 | 2021-10-11 | Heat pump cold and hot water integrated unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122446318.0U CN215930182U (en) | 2021-10-11 | 2021-10-11 | Heat pump cold and hot water integrated unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215930182U true CN215930182U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122446318.0U Active CN215930182U (en) | 2021-10-11 | 2021-10-11 | Heat pump cold and hot water integrated unit |
Country Status (1)
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|---|---|
| CN (1) | CN215930182U (en) |
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2021
- 2021-10-11 CN CN202122446318.0U patent/CN215930182U/en active Active
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