CN216204457U - Air source heat pump system - Google Patents
Air source heat pump system Download PDFInfo
- Publication number
- CN216204457U CN216204457U CN202122530642.0U CN202122530642U CN216204457U CN 216204457 U CN216204457 U CN 216204457U CN 202122530642 U CN202122530642 U CN 202122530642U CN 216204457 U CN216204457 U CN 216204457U
- Authority
- CN
- China
- Prior art keywords
- heat pump
- power supply
- pump system
- supply device
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses an air source heat pump system, which comprises: the system comprises a compressor, a first heat exchanger, a throttling device and a second heat exchanger, wherein the second heat exchanger is used for preparing cold/hot water, the cold/hot water prepared by the second heat exchanger is conveyed into an indoor heat exchange assembly through a conveying pipeline to refrigerate/heat the indoor space, a water receiving tray is arranged at the lower side of the first heat exchanger, a first electric heating device is arranged in the water receiving tray, and the first electric heating device is electrically connected with a solar power supply device and a heat pump system power supply device through a first change-over switch; the solar heating system further comprises a heat pump controller, and the heat pump controller is used for controlling the first switch to enable the solar power supply device or the heat pump system power supply device to supply power to the first electric heating device. The utility model solves the problem that the water pan is easy to accumulate ice under the condition of lower environmental temperature of the existing heat pump system.
Description
Technical Field
The utility model relates to the field of heat pump systems, in particular to an air source heat pump system and a control method thereof.
Background
At present air supply heat pump set on the market uses winter, the phenomenon of frosting can all appear in the fin, can produce a large amount of comdenstions water and flow down along the fin during defrosting, traditional water collector subassembly comprises water collector and drain pipe, it is slower because of defrosting water velocity of flow, the condition such as water collector inequality, it freezes to lead to defrosting water to solidify before getting into the drain pipe, it increases gradually to freeze in the water collector, lead to the water collector to lose effect completely, ice can be piled up the thickening gradually, finally stretch upwards along the fin, lead to first heat exchanger copper pipe frost crack, this problem is especially serious under the ultra-low temperature environment.
In order to avoid the problem of ice accumulation of the water pan, in the prior art, one solution is to lead a bypass pipe all the way from the exhaust pipe of the compressor, directly bypass the bottom of the water pan and heat the chassis by utilizing bypass hot gas, thereby solving the problem of icing of the water pan. However, in the hot gas bypass method, when the hot gas bypass amount is too small, the deicing effect cannot be achieved due to insufficient heat; if the hot gas bypass amount is too much, the heating capacity and efficiency of the heat pump unit are directly influenced. The other solution is to adopt a method of directly laying a heating belt at the bottom of the water receiving tray, and solve the problem of ice accumulation of the water receiving tray by heating the water receiving tray, but the method generally adopts a unit for power supply, and after the water receiving tray is started, the electric heating belt is powered on all the time, so that a reasonable control method is not provided, and the power consumption of the unit is increased.
In addition, after the heat pump unit is stopped at a low ring temperature for a long time, the lubricating oil in the compressor and the oil separator has high viscosity and poor liquidity, and the phenomenon of abnormal abrasion of the compressor due to oil shortage can be caused when the heat pump unit is started. In order to solve the problems, an electric heating belt is generally directly wound on the bottom of the compressor and oil at present. But because the electricity of electrical heating all comes the unit power supply, increased unit power consumption.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the first technical problem that a water pan is easy to accumulate ice under the condition of low environment temperature of the conventional air source heat pump system.
The second technical problem to be solved by the utility model is that the lubricating oil in the compressor and the oil separator has poor fluidity after the existing air source heat pump system is stopped for a long time at low environment temperature.
In order to solve the technical problems, the utility model provides the following technical scheme:
an air-source heat pump system, comprising: the system comprises a compressor, a first heat exchanger, a throttling device and a second heat exchanger, wherein the second heat exchanger is used for preparing cold/hot water, the cold/hot water prepared by the second heat exchanger is conveyed into an indoor heat exchange assembly through a conveying pipeline to refrigerate/heat the indoor space, a water receiving tray is arranged at the lower side of the first heat exchanger, a first electric heating device is arranged in the water receiving tray, and the first electric heating device is electrically connected with a solar power supply device and a heat pump system power supply device through a first change-over switch; the solar heating system further comprises a heat pump controller, and the heat pump controller is used for controlling the first switch to enable the solar power supply device or the heat pump system power supply device to supply power to the first electric heating device.
In some embodiments of the present invention, a second electric heating device is disposed on the compressor, and the second electric heating device is electrically connected to the solar power supply device and the heat pump system power supply device through a second switch;
the heat pump controller is used for controlling the second selector switch to enable the solar power supply device or the heat pump system power supply device to supply power to the second electric heating device.
In some embodiments of the utility model, the oil separator is communicated with the output port of the compressor, the oil separator is provided with a third electric heating device, and the third electric heating device is electrically connected with a solar power supply device and a heat pump system power supply device through a third change-over switch;
the heat pump controller is used for controlling the third change-over switch to enable the solar power supply device or the heat pump system power supply device to supply power to the third electric heating device.
In some embodiments of the present invention, the air conditioner further comprises a four-way valve, a first interface of the four-way valve is communicated with an output port of the compressor through the oil separator, a second interface of the four-way valve is communicated with the first heat exchanger, a third interface of the four-way valve is communicated with the second heat exchanger, and a fourth interface of the four-way valve is communicated with an input port of the compressor through the gas-liquid separator.
In some embodiments of the present invention, the heat exchanger further comprises a reservoir, and the reservoir is located between the throttling device and the second heat exchanger.
In some embodiments of the present invention, a dry filter is disposed between the reservoir and the throttling device.
In some embodiments of the present invention, the first heat exchanger is a fin heat exchanger, and the second heat exchanger is a shell-and-tube heat exchanger.
In some embodiments of the present invention, the solar power supply apparatus includes: the solar cell panel is used for converting the radiation energy of the sun into electric energy; a storage battery for storing electric energy; an inverter for converting the direct current electric energy into alternating current electric energy; and the solar controller is respectively connected with the solar cell panel, the storage battery and the inverter.
Compared with the prior art, the technical scheme of the utility model has the following technical effects:
in the air source heat pump system provided by the utility model, the solar power supply device is arranged, so that the solar power supply device can be used for supplying power to the first electric heating device on the water pan under the working condition of low-temperature heating in winter, the icing of a unit in the defrosting process is avoided, the purpose of centralized drainage is achieved, and the risk of frost cracking of the heat exchange tube of the first heat exchanger is avoided; meanwhile, the heat pump controller can switch the power supply mode of the first electric heating device by controlling the first switch, and power is supplied by the solar power supply device under the normal weather condition, so that the electric quantity of the unit is not required to be consumed, and the energy efficiency of the unit can be effectively improved; when rainy weather or night, the electric energy of the storage battery storage among the solar power supply device is preferentially adopted for power supply, when the electric quantity of the storage battery is insufficient, the power supply is switched to the heat pump system power supply device, and the stability of the unit under extreme weather conditions can be ensured.
Furthermore, the air source heat pump system provided by the utility model can heat the compressor and the oil separator under the condition that the compressor stops for a long time, so that the oil temperature is increased, the viscosity of oil is reduced, the fluidity of lubricating oil is ensured, and the starting stability of the compressor is effectively improved. Meanwhile, the power supply modes of the second electric heating device and the third electric heating device can be switched by controlling the second change-over switch and the third change-over switch, power is supplied through the solar power supply device under the normal weather condition, the electric quantity of the unit is not required to be consumed, and the energy efficiency of the unit can be effectively improved; when rainy weather or night, the electric energy of the storage battery storage among the solar power supply device is preferentially adopted for supplying power, and when the electric quantity of the storage battery is insufficient, the power supply device is switched to the heat pump system power supply device for supplying power, so that the stability of the unit under the extreme weather condition can be ensured.
Drawings
The objects and advantages of the present invention will be understood by the following detailed description of the preferred embodiments of the utility model, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a system diagram of an air source heat pump system provided by the present invention under a cooling condition;
fig. 2 is a system block diagram of the air source heat pump system provided by the utility model under a heating condition.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
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; 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.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 and 2 show an embodiment of an air source heat pump system according to the present invention, which includes: the system comprises a compressor 1, a first heat exchanger 2, a throttling device 3 and a second heat exchanger 4, wherein the second heat exchanger 4 is used for preparing cold/hot water, and the cold/hot water prepared by the second heat exchanger 2 is conveyed into an indoor heat exchange assembly through a conveying pipeline to refrigerate/heat indoors; the solar water heater comprises a first heat exchanger 2, a water receiving tray 5 is arranged on the lower side of the first heat exchanger 2, a first electric heating device 21 is arranged in the water receiving tray 5, the first electric heating device 21 is electrically connected with a solar power supply device 30 and a heat pump system power supply device 40 through a first change-over switch 51, and the solar water heater further comprises a heat pump controller 60, wherein the heat pump controller 60 is used for controlling the first change-over switch 51 to enable the solar power supply device 30 or the heat pump system power supply device 40 to supply power to the first electric heating device 21 or stop supplying power. Specifically, the first heat exchanger 2 is a fin heat exchanger, the second heat exchanger 4 is a shell-and-tube heat exchanger, the second heat exchanger 4 comprises a heat exchange shell and a heat exchange tube, cold/hot water is prepared through the second heat exchanger 4, and the cold/hot water is sent into the indoor heat exchange assembly through a conveying pipeline; when the heat pump system carries out refrigeration, the first heat exchanger 2 is used as a condenser, and the second heat exchanger 4 is used as an evaporator; when the heat pump system performs heating, the first heat exchanger 2 serves as an evaporator, and the second heat exchanger 4 serves as a condenser.
The first switch 51 has a first position, a second position, and a third position, in the first position, the solar power supply device 30 is electrically connected to the first electric heating device 21, in the second position, the heat pump system power supply device 40 is electrically connected to the first electric heating device 21, and in the third position, the first electric heating device is disconnected from the heat pump system power supply device 40 and the solar power supply device 30. The air source heat pump system can utilize the solar power supply device 30 to supply power to the first electric heating device 21 on the water pan 5 under the working condition of low-temperature heating in winter by arranging the solar power supply device 30, so that the icing of the unit in the defrosting process is avoided, the aim of centralized drainage is fulfilled, and meanwhile, the risk of frost cracking of the heat exchange tube of the first heat exchanger 2 is avoided; the power supply mode of the first electric heating device 21 can be switched by setting the first switch 51, and the solar power supply device 30 supplies power under normal weather conditions without consuming the electric quantity of the unit, so that the energy efficiency of the unit can be effectively improved; in rainy weather or night, the electric energy stored by the storage battery in the solar power supply device 30 is preferentially adopted for supplying power, and when the electric quantity of the storage battery is insufficient, the power supply is switched to the heat pump system power supply device 40 for supplying power, so that the stability of the unit under extreme weather conditions can be ensured.
Specifically, the compressor 1 is provided with a second electric heating device 22, and the second electric heating device 22 is used for heating the compressor 1 to raise the temperature of the compressor 1 under the condition that the environment temperature is lower, so as to improve the starting stability of the compressor 1. The second electric heating device 22 is electrically connected with the solar power supply device 30 and the heat pump system power supply device 40 through a second selector switch 52; the heat pump controller 60 is configured to control the second switch 52 to enable the solar power supply device 30 or the heat pump system power supply device 40 to supply power to the second electric heating device 22.
Specifically, the heat pump system further comprises an oil separator 6, the oil separator 6 is communicated with the output port of the compressor 1, the oil separator 6 is provided with a third electric heating device 23, and the third electric heating device 23 is used for heating the oil separator 6, so that the temperature of the oil separator 6 is increased under the condition of low ring temperature, and the starting stability of the compressor 1 is improved. The third electric heating device 23 is electrically connected with the solar power supply device 30 and the heat pump system power supply device 40 through a third switch 53; the heat pump controller 60 is configured to control the third switch 53 to enable the solar power supply device 30 or the heat pump system power supply device 40 to supply power to the third electric heating device 23. More specifically, an oil filter 7 and an oil return capillary tube 8 are provided between the oil separator 6 and the oil return port of the compressor 1.
The second electric heating device 22 and the third electric heating device 23 can control the operation of the compressor under the condition of lower environmental temperature in winter, and under the condition that the compressor 1 is stopped for a long time, the compressor 1 and the oil separator 6 are heated firstly, so that the oil temperature is increased, the viscosity of oil is reduced, the fluidity of lubricating oil is ensured, and the stability of the compressor 1 is effectively improved. Meanwhile, the power supply modes of the second electric heating device 22 and the third electric heating device 23 can be switched through the arrangement of the second change-over switch 52 and the third change-over switch 53, power is supplied through the solar power supply device 30 under the normal weather condition, the electric quantity of the unit is not required to be consumed, and the energy efficiency of the unit can be effectively improved; when rainy weather or night, the electric energy stored by the storage battery in the solar power supply device 30 is preferentially adopted for supplying power, and when the electric quantity of the storage battery is insufficient, the power supply is switched to the heat pump system power supply device 40, so that the stability of the unit under the extreme weather condition can be ensured.
The solar power supply device 30 includes: a solar cell panel 31 for converting radiant energy of the sun into electric energy; a storage battery 32 for storing electric energy; an inverter 33 for converting the direct-current electric energy into alternating-current electric energy; and a solar controller 34 connected to the solar panel 31, the battery 32, and the inverter 33, respectively, wherein the solar controller 34 controls an operation state of the entire solar power feeding apparatus 30, controls charging and discharging of the battery 32, and plays a role in overcharge protection and overdischarge protection for the battery 32. The inverter 33 is connected to the first electric heating device 21, the second electric heating device 22, and the third electric heating device 23, respectively.
The heat pump system further comprises a four-way valve 9 used for switching the refrigerating and heating states, wherein a first interface a of the four-way valve 9 is communicated with an output port of the compressor 1, a second interface b of the four-way valve 9 is communicated with the first heat exchanger 2, a third interface c of the four-way valve 9 is communicated with the second heat exchanger 4, and a fourth interface d of the four-way valve 9 is communicated with an input port of the compressor 1. When the heat pump system performs refrigeration, the first interface a of the four-way valve 9 is communicated with the second interface b, and the third interface c is communicated with the fourth interface d; when the heat pump system heats, the first interface a of the four-way valve 9 is communicated with the third interface c, and the second interface b is communicated with the fourth interface d.
More specifically, the four-way valve 9 communicates with the output port of the compressor 1 through the oil separator 6, and the four-way valve 9 communicates with the input port of the compressor 1 through a gas-liquid separator 10.
Specifically, since the heat pump system requires different flow rates of the refrigerant between heating and cooling, the heat pump system further includes an accumulator 11 for storing a part of the surplus refrigerant during heating; specifically, a reservoir 11 is arranged between the first heat exchanger 2 and the second heat exchanger 4, and the reservoir 11 is located between the throttling device 3 and the second heat exchanger 4. A drying filter 12 is arranged between the liquid storage device 11 and the throttling device 3.
More specifically, a first check valve 13, a second check valve 14, a third check valve 15 and a fourth check valve 16 are arranged between the first heat exchanger 2 and the second heat exchanger 4, and when the heat pump system performs a refrigeration cycle, refrigerant passing through the first heat exchanger 2 passes through the first check valve 13, then sequentially passes through the accumulator 11, the dry filter 12 and the throttling device 3, and then passes through the second check valve 14 and enters the second heat exchanger 4; when the heat pump system performs a heating cycle, the refrigerant passing through the second heat exchanger 4 passes through the third check valve 15, then sequentially passes through the reservoir 11, the filter drier 12 and the throttling device 3, and then passes through the fourth check valve 16 and then enters the first heat exchanger 2.
When the heat pump system refrigerates indoors, a refrigerant enters the oil separator 6 through an output port of the compressor 1 and then passes through the four-way valve 9, flows to the second interface b through the first interface a of the four-way valve 9, flows to the first heat exchanger 2 for condensation, passes through the first one-way valve 13, sequentially passes through the liquid reservoir 11, the drying filter 12 and the throttling device 3, passes through the second one-way valve 14, enters the second heat exchanger 4, passes through the heat exchange between the second heat exchanger 4 and the heat exchange tube, flows to the fourth interface d through the third interface c of the four-way valve 9, passes through the gas-liquid separator 10, and flows back into the compressor 1, so that a refrigeration cycle is completed. The second heat exchanger 4 is used as an evaporator to prepare cold water required by the indoor heat exchange assembly, and the cold water is sent to the indoor heat exchange assembly through a conveying pipeline to refrigerate indoors.
When the heat pump system heats the indoor space, the refrigerant enters the oil separator 6 through the output port of the compressor 1 and then passes through the four-way valve 9, flows to the third interface c through the first interface a of the four-way valve 9, flows to the second heat exchanger 4 for condensation, passes through the third one-way valve 15, then sequentially passes through the liquid reservoir 11, the drying filter 12 and the throttling device 3, then passes through the fourth one-way valve 16, enters the first heat exchanger 2, passes through the second interface b of the four-way valve 9, flows to the fourth interface d, passes through the gas-liquid separator 10, and then flows back to the compressor 1, thereby completing one heating cycle. The second heat exchanger 4 is used as a condenser to prepare hot water required by the indoor heat exchange assembly, and the hot water is conveyed into the indoor heat exchange assembly through a conveying pipeline to heat the indoor space.
The utility model also provides a specific implementation manner of the control method of the air source heat pump system, which comprises the following steps: the working states of the heat pump system and the solar power supply device 30 are obtained, and when the heat pump system is switched from a heating state to a defrosting state and the output voltage of the solar power supply device 30 is larger than or equal to a first threshold value, the solar power supply device 30 is controlled to supply power to the first electric heating device 21;
when the heat pump system is switched from the heating state to the defrosting state and the output voltage of the solar power supply device 30 is less than a first threshold value, controlling the heat pump system power supply device 40 to supply power to the first electric heating device 21;
and controlling the heat pump system power supply device 40 or the solar power supply device 30 to stop supplying power to the first electric heating device 21 in response to the heat pump system being switched from the defrosting state to the heating state and the heating time being greater than the second threshold value.
In the control method of the heat pump system, when the system is switched from the heating state to the defrosting state, the first electric heating device 21 of the water pan 5 is electrified, so that the water pan 5 is heated, and the problem that the heat exchange of the first heat exchanger 2 is influenced because the water pan 5 is easy to freeze when the outdoor temperature is low in winter is solved. Meanwhile, the power supply mode of the first electric heating device 21 is determined according to the output voltage condition of the solar power supply device 30, the solar power supply device 30 can be used for supplying power under the condition of good weather conditions, and the heat pump system power supply device 40 is used for supplying power under the condition of extreme weather conditions, so that the energy consumption of the system is reduced, and the running stability of the system is ensured.
Specifically, the heat pump system can be switched from the heating state to the defrosting state by two different states of the four-way valve 9. When the four-way valve 9 is in a first state, the first interface is communicated with the third interface, the second interface is communicated with the fourth interface, and at the moment, the heat pump system is in a heating state; when the four-way valve 9 is in the second state, the first interface is communicated with the second interface, the third interface is communicated with the fourth interface, and at the moment, the heat pump system is in a defrosting state.
The control method of the heat pump system further includes: the working states of the ambient temperature, the heat pump system and the solar power supply device 30 are obtained, and when the ambient temperature is smaller than a third threshold value, the power-off time of the heat pump system is larger than a fourth threshold value and the output voltage of the solar power supply device 30 is larger than or equal to a first threshold value, the solar power supply device 30 is controlled to supply power to the second electric heating device 22 and the third electric heating device 23;
when the ambient temperature is lower than a third threshold value, the power-off time of the heat pump system is higher than a fourth threshold value, and the output voltage of the solar power supply device 30 is less than a first threshold value, controlling the heat pump system power supply device 40 to supply power to the second electric heating device 22 and the third electric heating device 23;
and in response to the ambient temperature being less than the third threshold and the heat pump system power-off time being less than the fifth threshold, controlling the solar power supply device 30 or the heat pump system power supply device 40 to stop supplying power to the second electric heating device 22 and the third electric heating device 23.
In the control method of the heat pump system, the state of the lubricating oil of the compressor 1 is preliminarily judged by detecting the ambient temperature, and when the ambient temperature is lower than a third threshold value, for example, the ambient temperature is lower than-10 ℃, if the compressor 1 stops for a long time or the power-off time is too long under the ambient temperature, the viscosity of the lubricating oil is higher, at this time, the compressor 1 and the oil separator 6 need to be heated, so that the viscosity of the lubricating oil is reduced, and the starting stability of the compressor 1 is improved. Meanwhile, the power supply mode of the electric heating device is determined according to the output voltage condition of the solar power supply device 30, the solar power supply device 30 can be used for supplying power under the condition of good weather conditions, and the heat pump system power supply device 40 is used for supplying power under the condition of extreme weather conditions, so that the energy consumption of the system is reduced, and the running stability of the system is ensured.
Specifically, the ambient temperature is less than the third threshold, the heat pump system power-off time is greater than the fourth threshold, and the solar power supply device 30 or the heat pump system power supply device 40 is controlled to supply power to the second electric heating device 22 and the third electric heating device 23 for a time period not exceeding T1. And controlling the compressor 1 to start after the second electric heating device 22 and the third electric heating device 23 are powered off.
The power-off time of the heat pump system is calculated from the power-off which is closest to the current startup and meets the heating time of the lubricating oil, namely before the power-off last time, the heat pump controller 60 calculates the heating time of the second electric heating device 22 and the third electric heating device 23 to be T1, but the unit is powered off when the heating time is not T1, and the power-off time cannot be used for calculating the power-off time of the heating time of the lubricating oil required by the current startup.
Specifically, when the ambient temperature is greater than the third threshold value, the solar power supply device 30 or the heat pump system power supply device 40 is controlled to stop supplying power to the second electric heating device 22 and the third electric heating device 23, and the compressor 1 is directly controlled to start.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the utility model.
Claims (8)
1. An air-source heat pump system, comprising: compressor, first heat exchanger, throttling arrangement and second heat exchanger, the second heat exchanger is used for making cold/hot water, and the cold/hot water of making the second heat exchanger through pipeline carries to indoor heat exchange assembly in, refrigerates/heats indoor, first heat exchanger downside sets up the water collector, set up first electric heater unit, its characterized in that in the water collector:
the first electric heating device is electrically connected with the solar power supply device and the heat pump system power supply device through a first change-over switch;
the solar heating system further comprises a heat pump controller, and the heat pump controller is used for controlling the first switch to enable the solar power supply device or the heat pump system power supply device to supply power to the first electric heating device.
2. The air-source heat pump system of claim 1, wherein: the compressor is provided with a second electric heating device which is electrically connected with the solar power supply device and the heat pump system power supply device through a second change-over switch;
the heat pump controller is used for controlling the second selector switch to enable the solar power supply device or the heat pump system power supply device to supply power to the second electric heating device.
3. An air-source heat pump system according to claim 2, wherein: the oil separator is communicated with an output port of the compressor, the oil separator is provided with a third electric heating device, and the third electric heating device is electrically connected with the solar power supply device and the heat pump system power supply device through a third selector switch;
the heat pump controller is used for controlling the third change-over switch to enable the solar power supply device or the heat pump system power supply device to supply power to the third electric heating device.
4. An air-source heat pump system according to claim 3, wherein: the oil separator is characterized by further comprising a four-way valve, a first interface of the four-way valve is communicated with an output port of the compressor through the oil separator, a second interface of the four-way valve is communicated with the first heat exchanger, a third interface of the four-way valve is communicated with the second heat exchanger, and a fourth interface of the four-way valve is communicated with an input port of the compressor through a gas-liquid separator.
5. The air-source heat pump system of claim 1, wherein: the liquid storage device is positioned between the throttling device and the second heat exchanger.
6. The air-source heat pump system of claim 5, wherein: and a drying filter is arranged between the liquid storage device and the throttling device.
7. The air-source heat pump system of claim 1, wherein: the first heat exchanger is a fin heat exchanger, and the second heat exchanger is a shell-and-tube heat exchanger.
8. The air-source heat pump system of claim 1, wherein: the solar power supply device comprises:
the solar cell panel is used for converting the radiation energy of the sun into electric energy;
a storage battery for storing electric energy;
an inverter for converting the direct current electric energy into alternating current electric energy;
and the solar controller is respectively connected with the solar cell panel, the storage battery and the inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122530642.0U CN216204457U (en) | 2021-10-20 | 2021-10-20 | Air source heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122530642.0U CN216204457U (en) | 2021-10-20 | 2021-10-20 | Air source heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216204457U true CN216204457U (en) | 2022-04-05 |
Family
ID=80885685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122530642.0U Active CN216204457U (en) | 2021-10-20 | 2021-10-20 | Air source heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216204457U (en) |
-
2021
- 2021-10-20 CN CN202122530642.0U patent/CN216204457U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101458005B (en) | Solar photovoltaic-commercial power mixedly driving cold-storage and thermal storage type heat pump unit | |
| CN107014016B (en) | Fluorine pump natural cooling evaporation type condensation water chiller and control method thereof | |
| CN101487616B (en) | Air conditioning system with refrigeration by stored ice | |
| CN201583074U (en) | Solar air-source hot pump for storing electricity and defrosting | |
| CN105258377B (en) | Based on solar air source heat pumps trilogy supply device | |
| CN101441014A (en) | Solar photovoltaic energy storage refrigerator system | |
| CN105276833A (en) | Solar water heating system and heat pump heating and refrigerating system and method thereof | |
| CN201903221U (en) | Solar energy, heat pump and capillary network composite hot water heating and refrigerating device | |
| CN103342093A (en) | Control method of electric passenger car interior water-cooled air conditioner | |
| CN103388922B (en) | Dual-compressor multifunctional air source heat pump air conditioner system | |
| CN106765783A (en) | Energy-saving high-precision wine cellar air conditioning system combining water cold accumulation and natural cold source | |
| CN101818970A (en) | Solar photovoltaic-mains supply hybrid-driven cool and heat storage heat pump unit | |
| CN102427148B (en) | Large-power UPS (uninterrupted power supply) special air-conditioner battery cabinet and method for adjusting and controlling working temperature of storage battery | |
| CN216204457U (en) | Air source heat pump system | |
| CN107014020B (en) | Comprehensive energy system in building field | |
| CN205119519U (en) | Solar water heating system and heat pump heat refrigerating system | |
| CN113776229A (en) | Air source heat pump system and control method thereof | |
| CN103836738B (en) | Solar air conditioner and its control method | |
| CN208936370U (en) | A kind of cooling storage air conditioning system management system | |
| CN111503781A (en) | Cold water air conditioning unit | |
| CN208332532U (en) | A kind of compensation solar heat-pump air conditioner refrigeration system | |
| CN115523560A (en) | High-capacity chilled water storage air conditioning system and control method thereof | |
| CN105333543A (en) | Multifunctional central air-conditioning system and running control method thereof | |
| CN114777288A (en) | Defrosting method and device for air conditioner external unit | |
| CN111256196A (en) | Four-heat-source heat pump heating system and heat source heating control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |