CN211925958U - Constant temperature dehumidification heat pump system with multiple mode - Google Patents
Constant temperature dehumidification heat pump system with multiple mode Download PDFInfo
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- CN211925958U CN211925958U CN202020263105.7U CN202020263105U CN211925958U CN 211925958 U CN211925958 U CN 211925958U CN 202020263105 U CN202020263105 U CN 202020263105U CN 211925958 U CN211925958 U CN 211925958U
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Abstract
The technology discloses a constant temperature dehumidification heat pump system with multiple working modes, an exhaust port is connected with a control valve, the control valve is led out three paths, the first path is connected with an outdoor heat exchanger, the third path is connected with an indoor heater, the outlets of the outdoor heat exchanger and the indoor heater are respectively provided with a one-way valve, the outlets are converged after passing through the one-way valve and then are connected with a feed inlet of a flash tank after passing through a first throttle valve, a liquid phase discharge port of the flash tank is sequentially connected with a second throttle valve, a second switch valve, an indoor dehumidifier, a gas-liquid separator and an air suction port of an enhanced vapor compressor, the outlet of the outdoor heat exchanger is led out one path which is connected with the first switch valve and then is connected with a pipeline between the second throttle valve and the second switch valve, a gas phase discharge port of the flash tank is connected with an enhanced vapor port of the enhanced vapor compressor, and the second path of the control, the indoor dehumidification and constant temperature effects are ensured.
Description
The technical field is as follows:
the utility model relates to a constant temperature dehumidification heat pump system with multiple mode.
Background art:
in order to achieve the constant temperature dehumidification function, the traditional constant temperature dehumidification heat pump system is respectively provided with a dehumidification system and a heating system, the dehumidification system has the refrigeration, temperature reduction and dehumidification functions at the same time, the heating system is responsible for heating and warming, but the heating system adopted at present uses heating wires for heating, the dehumidification system uses heat pump technology for indoor and outdoor heat energy conversion, the outdoor heat exchanger is responsible for heat dissipation, the indoor dehumidifier is responsible for temperature reduction and dehumidification, the constant temperature dehumidification heat pump system with the traditional structure consumes quite large energy, the dehumidification system can carry out temperature reduction and dehumidification indoors, the heat pump in the system consumes electric energy, meanwhile, in order to maintain constant indoor temperature, the indoor heat pump system needs to carry out heating and temperature rise compensation at the same time, the heating wire also needs to work, and can consume electric energy equally, and double power consumption, power consumption load are fairly big, do not accord with energy-concerving and environment-protective theory.
The utility model has the following contents:
the utility model aims at overcoming the shortcoming of above-mentioned prior art, provide a constant temperature dehumidification heat pump system with multiple mode of operation.
The purpose of the invention of the utility model can be realized by the following technical scheme: a constant-temperature dehumidifying heat pump system with multiple working modes comprises an enhanced vapor injection compressor, an indoor dehumidifier, an indoor heater and an outdoor heat exchanger, wherein an exhaust port is connected with a control valve, the control valve leads out three paths, the first path is connected with the outdoor heat exchanger, the third path is connected with the indoor heater, the outlets of the outdoor heat exchanger and the indoor heater are respectively provided with a one-way valve and are converged after passing through the one-way valves, and then the gas passes through the first throttling valve and is connected with a feed inlet of the flash tank, a liquid-phase discharge port of the flash tank is sequentially connected with a second throttling valve, a second switch valve, an indoor dehumidifier, a gas-liquid separator and an air suction port of the enhanced vapor injection compressor, one path of pipeline connected with the first switch valve and then connected between the second throttling valve and the second switch valve is led out from an outlet of the outdoor heat exchanger, a gas-phase discharge port of the flash tank is connected with an enhanced vapor injection port of the enhanced vapor injection compressor, and the second path of control valve is connected with a pipeline between the indoor dehumidifier.
After adopting this technical scheme, compare with prior art, this technical scheme has following advantage: through the regulation and control of control valve, combine each ooff valve and the cooperation of check valve, make single heat pump just can realize cold and hot alternating heat transfer effect, guarantee indoor dehumidification and homothermal effect, energy-conserving effect is excellent.
Description of the drawings:
fig. 1 is a structural schematic diagram of a first mode, i.e., an internal dehumidification and internal heating state, of the constant-temperature dehumidification heat pump system of the present invention;
fig. 2 is a structural schematic diagram of the second mode of the constant temperature dehumidification heat pump system, namely, the internal dehumidification and external heat dissipation states;
fig. 3 is a structural schematic diagram of the third mode of the constant temperature dehumidification heat pump system, namely, an external heat absorption and internal heating state;
the specific implementation mode is as follows:
the present technology is further described below with reference to the accompanying drawings.
The constant temperature dehumidification heat pump system with multiple working modes of the embodiment comprises an enhanced vapor injection compressor 1, an indoor dehumidifier 2, an indoor heater 3 and an outdoor heat exchanger 4, wherein an exhaust port 5 of the enhanced vapor injection compressor 1 is connected with a control valve 6, the control valve 6 is a four-way valve, three paths of control valves 6 are led out, a first path outlet 61 is connected with the outdoor heat exchanger 4, a third path outlet 63 is connected with the indoor heater 3, the outlets of the outdoor heat exchanger 4 and the indoor heater 3 are respectively provided with a one-way valve, wherein a first one-way valve 7 is arranged at the outlet of the outdoor heat exchanger 4, a second one-way valve 8 is arranged at the indoor heater 3, the two one-way valves are converged and then connected with a flash tank feed inlet 10 after passing through a first throttle valve 9, a flash tank liquid phase discharge port 11 is sequentially connected with a second throttle valve 13, a second switch valve 14, the indoor dehumidifier 2, a gas-liquid separator 15, the outlet of the outdoor heat exchanger 4 is also led out a pipeline which is connected with the first switch valve 17 and the third one-way valve 18 and then connected between the second throttle valve 13 and the second switch valve 14, the gas phase discharge port 12 of the flash tank is connected with the enthalpy increasing port 19 of the enhanced vapor injection compressor 1, and the second outlet 62 of the control valve 6 is connected with the pipeline between the indoor dehumidifier 2 and the gas-liquid separator 15.
In order to achieve the constant temperature dehumidification effect, the technology can realize three working modes:
in the first mode: when the room needs to be dehumidified and heated, the first switch valve 17 is closed, the second switch valve 14 is opened, the outdoor heat exchanger 4 does not participate in the operation because the first switch valve 17 is closed, the control valve 6 is adjusted, the high-temperature and high-pressure gaseous refrigerant sprayed out from the exhaust port 5 of the enhanced vapor injection compressor 1 enters the control valve 6 and enters the indoor heater 3 to heat the room air, the refrigerant becomes a gas-liquid mixture after the heat of the refrigerant is dissipated into the room, the refrigerant in a gas-liquid mixed state sequentially flows through the second one-way valve 8, the first throttle valve 9 and the flash tank 20, the gas-phase refrigerant in the flash tank 20 is conveyed back to the enhanced vapor injection port 19 of the enhanced vapor injection compressor 1, the liquid-phase refrigerant is continuously conveyed through the second throttle valve 13 and the second switch valve 14 and enters the indoor dehumidifier 2 to perform cooling and dehumidifying treatment on the room air, the cooling of the dehumidifier of the indoor heater 2 and the heating of the indoor heater 3 are mutually supplemented, the dehumidification effect is achieved while maintaining the indoor constant temperature, and the flow path of the refrigerant is shown by an arrow a in fig. 1.
In the second mode: when the indoor temperature is too high and the temperature needs to be reduced to maintain a constant temperature state, the first switch valve 17 is still closed, the second switch valve 14 is kept opened, and the control valve 6 is adjusted at the same time, so that the high-temperature and high-pressure gaseous refrigerant sprayed from the exhaust port 5 of the enhanced vapor injection compressor 1 enters the control valve 6 and enters the outdoor heat exchanger 4 for heat dissipation, then the gas-liquid mixed refrigerant flowing out of the outdoor heat exchanger 4 can only flow through the first throttling valve 9 and the flash tank 20 due to the closing of the third one-way valve 18 and the first switch valve 17 and the existence of the second one-way valve 8, then the gas-phase refrigerant flows back to the enhanced vapor port 19 in the flash tank 20, the liquid-phase refrigerant continues to advance and is conveyed and flows back to the air suction port 16 after passing through the second throttling valve 13, the second switch valve 14, the indoor dehumidifier 2 and the gas-liquid separator 15, and the liquid-phase refrigerant evaporates and absorbs heat, the moisture in the indoor air is solidified and cooled to achieve the cooling and dehumidifying effect, and the air pressure of the gas-liquid separator 15 is much lower than the air pressure of the indoor heater 3 due to the suction of the air suction port 16 of the enhanced vapor injection compressor 1, so that the gas-phase refrigerant flowing out of the indoor dehumidifier 2 only flows into the gas-liquid separator 15, but does not flow into the control valve 6 and the indoor heater 3, and the flow path of the refrigerant is shown by an arrow B in fig. 2.
The third mode: when the indoor temperature is too low, the indoor air needs to be heated for the purpose of keeping the temperature constant. At this time, the first on-off valve 17 is required to be opened, the second on-off valve 14 is required to be closed, and after the second on-off valve 14 is closed, the indoor dehumidifier 2 does not participate in the operation. The control valve 6 is adjusted again, the first path outlet 61 and the second path outlet 62 of the control valve are communicated, meanwhile, the high-temperature and high-pressure gaseous refrigerant ejected from the exhaust port 5 of the enhanced vapor injection compressor 1 flows into the control valve 6 and then passes through the third path outlet 63 to enter the indoor heater 3, the indoor heater 3 heats the indoor air, the refrigerant flowing out of the indoor heater 3 is changed into gas-liquid mixed refrigerant, the gas-liquid mixed refrigerant flows through the second check valve 8, the first throttle valve 9 and the flash tank 20, the gas-phase refrigerant flows back to the enhanced vapor port 19 of the enhanced vapor injection compressor 1 after passing through the flash tank 20, the liquid-phase refrigerant continues to be conveyed forward and flows into the outdoor heat exchanger 4 after passing through the second throttle valve 13, the first switch valve 17 and the third check valve 18, after the outdoor heat exchanger 4 finishes the heat exchange work, the refrigerant flows back to the air inlet 16 of the enhanced vapor injection compressor 1 after passing through the control, it should be noted that the reason why the refrigerant flowing from the third check valve 18 to the outdoor heat exchanger 4 does not flow to the indoor heater 3 and the first throttle valve 9 is that the second check valve 8 is provided in the pipeline of the indoor heater 3 to prevent the refrigerant from flowing into the indoor heater 3, but does not flow to the second throttle valve 13 is that the air pressure in the pipeline from the indoor heater 3 to the suction port 16 is lower than the air pressure in the pipeline at the first throttle valve 9 due to the suction of the suction port 16 of the enhanced vapor injection compressor 1, and the flow path of the refrigerant is shown by an arrow C in fig. 3.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The invention is not limited to the embodiments described herein, but is capable of other embodiments with obvious modifications and variations, including those shown in the drawings and described herein. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.
Claims (1)
1. A constant temperature dehumidification heat pump system with multiple mode of operation which characterized in that: comprises an enhanced vapor injection compressor, an indoor dehumidifier, an indoor heater and an outdoor heat exchanger, wherein an exhaust port is connected with a control valve, three paths are led out from the control valve, the first path is connected with the outdoor heat exchanger, the third path is connected with the indoor heater, the outlets of the outdoor heat exchanger and the indoor heater are respectively provided with a one-way valve and are converged after passing through the one-way valves, and then the gas passes through the first throttling valve and is connected with a feed inlet of a flash tank, a liquid phase discharge port of the flash tank is sequentially connected with a second throttling valve, a second switch valve, an indoor dehumidifier, a gas-liquid separator and an air suction port of an enhanced vapor injection compressor, one path of pipeline which is connected with the first switch valve and a third one-way valve and then is connected between the second throttling valve and the second switch valve is led out from an outlet of the outdoor heat exchanger, a gas phase discharge port of the flash tank is connected with an enhanced vapor injection port of the enhanced vapor injection compressor, and the second path of control valve is connected with the pipeline between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020263105.7U CN211925958U (en) | 2020-03-05 | 2020-03-05 | Constant temperature dehumidification heat pump system with multiple mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020263105.7U CN211925958U (en) | 2020-03-05 | 2020-03-05 | Constant temperature dehumidification heat pump system with multiple mode |
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| Publication Number | Publication Date |
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| CN211925958U true CN211925958U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020263105.7U Active CN211925958U (en) | 2020-03-05 | 2020-03-05 | Constant temperature dehumidification heat pump system with multiple mode |
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| CN (1) | CN211925958U (en) |
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- 2020-03-05 CN CN202020263105.7U patent/CN211925958U/en active Active
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