CN210220276U - System capable of supplying cold air, hot water and cold water - Google Patents
System capable of supplying cold air, hot water and cold water Download PDFInfo
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- CN210220276U CN210220276U CN201921012670.XU CN201921012670U CN210220276U CN 210220276 U CN210220276 U CN 210220276U CN 201921012670 U CN201921012670 U CN 201921012670U CN 210220276 U CN210220276 U CN 210220276U
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Abstract
The utility model relates to a system for supplying cold wind, hot water and cold water, which comprises a compressor, a four-way reversing valve, a first electromagnetic valve, an indoor heat exchanger, a first filter, a first throttling element, a second filter, a third filter, a waterway heat exchanger, an outdoor heat exchanger, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve and a gas-liquid separator; the outlet of the compressor is connected with the port a of the four-way reversing valve, the port b of the four-way reversing valve is connected with the first electromagnetic valve through a first pipeline, the port d of the four-way reversing valve is connected with the fourth electromagnetic valve through a second pipeline, the port c of the four-way reversing valve is communicated with the inlet of the gas-liquid separator, and the outlet of the gas-liquid separator is connected with the inlet of the compressor; the second filter is connected with the first throttling element and the second throttling element through a tee joint after being converged. The system can realize multiple working modes, meets the requirements of users, and has better defrosting effect than the prior art.
Description
Technical Field
The utility model relates to an air conditioner, heat pump technical field, concretely relates to system that can supply cold wind, hot-blast, hot water, cold water.
Background
The air conditioning system can provide cold air in summer and hot air in winter, but cannot provide hot water; the heat pump can provide hot water or hot air for users, but cannot provide cold air.
With the development of the technology, there is also a machine type of triple supply of hot air, cold air and hot water, such as an air source heat pump water heater capable of realizing the functions of refrigeration, heating and hot water production disclosed in the invention patent with application publication number CN 107702372A. The heat pump water heater can realize modes such as independent refrigeration, heating and refrigeration and heating water, and meets various requirements of users. But it does not have a functional mode for refrigerating water, and it cannot solve the problem of defrosting in winter well, and the prior art system usually adopts a hot gas bypass, a reverse operation defrosting or an electric defrosting mode. The hot gas bypass can cause the liquid impact of the compressor, the defrosting speed is low, and the indoor temperature is reduced due to reverse defrosting; the electric defrosting has low efficiency and high power consumption.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a system that can supply cold wind, hot-blast, hot water, cold water to solve the problem that does not have the refrigeration water function and the mode effect of defrosting in winter among the prior art is not good.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the scheme I of the system capable of supplying cold air, hot water and cold water comprises the following steps:
the system capable of supplying cold air, hot water and cold water comprises a compressor, a four-way reversing valve, a first electromagnetic valve, an indoor heat exchanger, a first filter, a first throttling piece, a second filter, a third filter, a waterway heat exchanger, an outdoor heat exchanger, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve and a gas-liquid separator;
the outlet of the compressor is connected with the port a of the four-way reversing valve, the port b of the four-way reversing valve is connected with the first electromagnetic valve through a first pipeline, the port d of the four-way reversing valve is connected with the fourth electromagnetic valve through a second pipeline, the port c of the four-way reversing valve is communicated with the inlet of the gas-liquid separator, and the outlet of the gas-liquid separator is connected with the inlet of the compressor;
the first electromagnetic valve, the indoor heat exchanger, the first filter, the first throttling element, the second throttling element, the third filter, the outdoor heat exchanger and the fourth electromagnetic valve are sequentially connected in series;
a third pipeline is connected between the first pipeline and the second pipeline, a second electromagnetic valve and a third electromagnetic valve are arranged on the third pipeline, a joint of the third pipeline between the second electromagnetic valve and the third electromagnetic valve is connected with a port g of the waterway heat exchanger, and a port h of the waterway heat exchanger is connected with a second filter in series;
the second filter is connected with the first throttling element and the second throttling element through a tee joint after being converged.
Furthermore, the first throttling element and the second throttling element are both electronic expansion valves or capillary tubes.
Further, the system has a single cooling wind mode:
the port a of the four-way reversing valve is communicated with the port d, the first electromagnetic valve and the fourth electromagnetic valve are opened, and the second electromagnetic valve and the third electromagnetic valve are closed;
individual heating wind mode:
the port a of the four-way reversing valve is communicated with the port b, the first electromagnetic valve and the fourth electromagnetic valve are opened, and the second electromagnetic valve and the third electromagnetic valve are closed;
independent chilled water mode:
the port a of the four-way reversing valve is communicated with the port d, the first electromagnetic valve and the third electromagnetic valve are closed, the second electromagnetic valve and the fourth electromagnetic valve are opened, and the first throttling element is in full closing;
the single hot water making mode comprises:
the port a of the four-way reversing valve is communicated with the port b, the first electromagnetic valve and the third electromagnetic valve are closed, the second electromagnetic valve and the fourth electromagnetic valve are opened, and the first throttling element is in full closing;
hot water and cold air making mode:
the port a of the four-way reversing valve is communicated with the port d, the first electromagnetic valve and the third electromagnetic valve are opened, the second electromagnetic valve and the fourth electromagnetic valve are closed, and the second throttling element is in full closing;
refrigeration water and hot air mode:
the port a of the four-way reversing valve is communicated with the port b, the first electromagnetic valve and the third electromagnetic valve are opened, the second electromagnetic valve and the fourth electromagnetic valve are closed, the first electromagnetic valve is opened, and the second throttling element is in full closing;
defrosting mode:
the port a of the four-way reversing valve is communicated with the port d, the first electromagnetic valve and the third electromagnetic valve are closed, the second electromagnetic valve and the fourth electromagnetic valve are opened, and the first throttling element is in full-closed state.
Furthermore, the first throttling element is installed indoors, the second throttling element is installed outdoors, in the independent cooling air mode, the second throttling element is fully opened, and only the first throttling element plays a throttling role; in the single heating wind mode, the first throttling element is fully opened, and only the second throttling element plays a throttling role.
The second technical scheme of the system for supplying cold air, hot water and cold water is as follows:
the system capable of supplying cold air, hot water and cold water comprises a compressor, a four-way reversing valve, a first two-position three-way valve, an indoor heat exchanger, a first filter, a first throttling piece, a second filter, a third filter, a waterway heat exchanger, an outdoor heat exchanger, a second two-position three-way valve and a gas-liquid separator;
an outlet of the compressor is connected with an a port of the four-way reversing valve, a b port of the four-way reversing valve is connected with an r port of the first two-position three-way valve through a first pipeline, an s port of the first two-position three-way valve is connected with an e port of the indoor heat exchanger, and an f port of the indoor heat exchanger, the first filter, the first throttling element, the second throttling element, the third filter and the outdoor heat exchanger are sequentially connected in series;
a port d of the four-way reversing valve is connected with a port x of the second two-position three-way valve through a second pipeline, a port y of the second two-position three-way valve is connected with a port m of the outdoor heat exchanger, and a port n of the outdoor heat exchanger is connected with the third filter;
a third pipeline is connected between the t port of the first two-position three-way valve and the z port of the second two-position three-way valve, a joint of the third pipeline between the t port and the z port is connected with the g port of the waterway heat exchanger, and the h port of the waterway heat exchanger is connected with the second filter in series;
the second filter is connected with the first throttling element and the second throttling element through a tee joint after being converged;
the port c of the four-way reversing valve is communicated with the inlet of the gas-liquid separator, and the outlet of the gas-liquid separator is connected with the inlet of the compressor.
Furthermore, the first throttling element and the second throttling element adopt electronic expansion valves or capillary tubes.
The utility model has the advantages that:
the utility model discloses a system that can supply cold wind, hot-blast, hot water, cold water can realize making cold wind alone, making hot-blast, making hot water alone, making cold water alone, making hot water and cold wind, cold water and hot-blast and the multiple mode of defrosting simultaneously of system hot water, satisfies user's multiple demand.
When defrosting is carried out in winter, high-temperature and high-pressure gaseous refrigerant discharged by the compressor flows through the port a and the port d of the four-way reversing valve, the refrigerant continuously flows through the fourth electromagnetic valve and enters the outdoor heat exchanger for heat dissipation, heat carried by the refrigerant is transferred to a frost layer attached to the outdoor heat exchanger to melt frost, the gaseous refrigerant is condensed into liquid, and then flows through the third filter and the second throttling element, the second throttling element plays a role in throttling and pressure reduction, the throttled refrigerant is changed into a low-temperature and low-pressure gas-liquid two-phase state, the gas-liquid two-phase refrigerant continuously flows through the second filter and the waterway heat exchanger, at the moment, water in the waterway heat exchanger flows to provide a heat source for defrosting, the heat of the water is transferred to the refrigerant, a system absorbs heat, and the defrosting progress is accelerated. Compared with the defrosting mode in the prior art, the defrosting mode has the advantages that the defrosting mode is accelerated by absorbing heat from water, energy is saved, and the defrosting efficiency is improved.
Drawings
FIG. 1 is a schematic diagram showing the construction of an embodiment 1 of the system for supplying cold air, hot water, and cold water according to the present invention;
FIG. 2 is a schematic illustration of the cooling air alone mode;
FIG. 3 is a schematic diagram of a single hot air producing mode;
FIG. 4 is a schematic illustration of the chilled water alone mode;
FIG. 5 is a schematic diagram of a single hot water mode;
FIG. 6 is a schematic diagram of a hot water and cold air mode;
FIG. 7 is a schematic diagram of the chilled water and hot air modes;
FIG. 8 is a schematic diagram of a defrost mode;
FIG. 9 is a schematic diagram showing the structure of embodiment 2 of the system for supplying cold air, hot water and cold water according to the present invention;
fig. 10 is a schematic diagram showing the configuration of embodiment 3 of the system for supplying cold air, hot water, and cold water according to the present invention.
Names corresponding to the marks in the figure:
1. the air conditioner comprises a compressor, 2, a four-way reversing valve, 3, a first electromagnetic valve, 4, an indoor heat exchanger, 5, a first filter, 6, a first electronic expansion valve, 7, a second electromagnetic valve, 8, a water channel heat exchanger, 9, a second filter, 10, a gas-liquid separator, 11, a fourth electromagnetic valve, 12, a third electromagnetic valve, 13, an outdoor heat exchanger, 14, a third filter, 15, a second electronic expansion valve, 16, a first capillary tube, 17, a second capillary tube, 18, a first two-position three-way valve, 19, a second two-position three-way valve, 21, a first pipeline, 22, a second pipeline, 23 and a third pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Embodiment 1 of the utility model:
as shown in fig. 1, the system for supplying cold air, hot water, and cold water includes a compressor 1, a four-way reversing valve 2, a first solenoid valve 3, an indoor heat exchanger 4, a first filter 5, a first electronic expansion valve 6, a second electronic expansion valve 15, a second filter 9, a third filter 14, a water channel heat exchanger 8, an outdoor heat exchanger 13, a second solenoid valve 7, a third solenoid valve 12, a fourth solenoid valve 11, and a gas-liquid separator 10.
The outlet of the compressor 1 is connected with the port a of the four-way reversing valve 2, the port b of the four-way reversing valve 2 is connected with the first electromagnetic valve 3 through a first pipeline 21, the port d of the four-way reversing valve 2 is connected with the fourth electromagnetic valve 11 through a second pipeline 22, the port c of the four-way reversing valve 2 is communicated with the inlet of the gas-liquid separator 10, and the outlet of the gas-liquid separator 10 is connected with the inlet of the compressor 1.
The first electromagnetic valve 3, the indoor heat exchanger 4, the first filter 5, the first electronic expansion valve 6, the second electronic expansion valve 15, the third filter 14, the outdoor heat exchanger 13 and the fourth electromagnetic valve 11 are connected in series in sequence.
A third pipeline 23 is connected between the first pipeline 21 and the second pipeline 22, and a second electromagnetic valve 7 and a third electromagnetic valve 12 are arranged on the third pipeline 23. A junction of the third pipeline 23 between the second solenoid valve 7 and the third solenoid valve 12 is connected to the port g of the waterway heat exchanger 8, which can be realized by using a three-way joint. The h port of the waterway heat exchanger 8 is connected with the second filter 9 in series; the second filter 9 is connected with the first electronic expansion valve 6 and the second electronic expansion valve 15 through a tee joint after being converged.
What has been described above is the system of the present invention, and the following functional modes that can be realized by the system are introduced respectively.
(1) Air cooling mode alone:
as shown in fig. 2, the port a and the port d of the four-way selector valve 2 communicate with each other, the first solenoid valve 3 and the fourth solenoid valve 11 are opened, and the second solenoid valve 7 and the third solenoid valve 12 are closed.
In the specific process, the high-temperature and high-pressure gaseous refrigerant discharged from the exhaust port of the compressor 1 enters the ports a and d of the four-way reversing valve 2, the refrigerant continues to flow through the fourth electromagnetic valve 11, heat is dissipated in the outdoor heat exchanger 13, the refrigerant is condensed into a liquid state, and the refrigerant continues to flow through the third filter 14 and the second electronic expansion valve 15. The second electronic expansion valve 15 is fully opened, the function of throttling and depressurizing is basically not performed, the refrigerant continuously flows through the first electronic expansion valve 6, the opening degree of the first electronic expansion valve 6 is adjusted according to the system requirement, the liquid refrigerant is throttled at the first electronic expansion valve 6 and is changed into a low-temperature and low-pressure gas-liquid two-phase state, after the refrigerant continuously flows through the first filter 5, the gas-liquid two-phase refrigerant is cooled in the indoor heat exchanger 4 to reduce the indoor temperature, the refrigerant continuously flows through the first electromagnetic valve 3 and the ports b and c of the four-way reversing valve 2 and enters the gas-liquid separator 10, the liquid refrigerant is reserved at the bottom of the gas-liquid separator 10, and the gaseous refrigerant enters the inlet of the compressor 1 to complete the.
The second electronic expansion valve 15 is fully open and only the first electronic expansion valve 6 is throttling. In consideration of the fact that the second electronic expansion valve 15 is close to the outdoor heat exchanger 13, in order to prevent the refrigerant from being throttled in advance, the low-temperature refrigerant has cooling capacity to dissipate in the process of moving from the second electronic expansion valve 15 to the indoor heat exchanger 4.
(2) Individual heating wind mode:
as shown in fig. 3, the ports a and b of the four-way selector valve 2 communicate with each other, the first solenoid valve 3 and the fourth solenoid valve 11 are opened, and the second solenoid valve 7 and the third solenoid valve 12 are closed.
High-temperature and high-pressure gaseous refrigerant discharged from an outlet of the compressor 1 enters the ports a and b of the four-way reversing valve 2, the refrigerant continuously flows through the first electromagnetic valve 3, heat is dissipated in the indoor heat exchanger 4, the indoor temperature is increased, the refrigerant is condensed into liquid, and the refrigerant continuously flows through the first filter 5 and the first electronic expansion valve 6. The first electronic expansion valve 6 is fully opened, the function of throttling and depressurizing is basically not performed, the refrigerant continuously flows through the second electronic expansion valve 15, the opening degree of the second electronic expansion valve 15 is adjusted according to the system requirement, the liquid refrigerant is throttled at the second electronic expansion valve 15 and is changed into a low-temperature and low-pressure gas-liquid two-phase state, after the refrigerant continuously flows through the third filter 14, the gas-liquid two-phase state refrigerant is cooled in the outdoor heat exchanger 13, the refrigerant continuously flows through the fourth electromagnetic valve 11 and the d port and the c port of the four-way reversing valve 2 and enters the gas-liquid separator 10, the liquid refrigerant is reserved at the bottom of the gas-liquid separator 10, and the gaseous refrigerant enters the inlet of the compressor 1 to.
In this process, the first electronic expansion valve 6 is in a fully open state, and there is almost no throttling and pressure reducing effect, because the first electronic expansion valve 6 is close to the indoor heat exchanger 4, in order to prevent the refrigerant from being throttled in advance, the low-temperature refrigerant has the loss of cold energy in the process of moving from the first electronic expansion valve 6 to the outdoor heat exchanger 13, so as to reduce the indoor temperature, and only the second electronic expansion valve 15 is allowed to play a throttling effect.
(3) Independent chilled water mode:
as shown in fig. 4, the port a and the port d of the four-way selector valve 2 are connected, the first solenoid valve 3 and the third solenoid valve 12 are closed, the second solenoid valve 7 and the fourth solenoid valve 11 are opened, and the first electronic expansion valve 6 is fully closed.
The high-temperature high-pressure gaseous refrigerant discharged from the outlet of the compressor 1 enters the ports a and d of the four-way reversing valve 2, continues to flow through the fourth electromagnetic valve 11, dissipates heat in the outdoor heat exchanger 13, and is condensed into liquid. The refrigerant continues to flow through the third filter 14 and the second electronic expansion valve 15, the opening degree of the second electronic expansion valve 15 is adjusted according to the system requirements, and the liquid refrigerant is throttled at the second electronic expansion valve 15 and becomes a low-temperature low-pressure gas-liquid two-phase state. After the refrigerant continues to flow through the second filter 9, the gas-liquid two-phase refrigerant is cooled in the water path heat exchanger 8, so that the water temperature in the water path heat exchanger 8 is reduced, the refrigerant continues to flow through the second electromagnetic valve 7 and the ports b and c of the four-way reversing valve 2 and enters the gas-liquid separator 10, the liquid refrigerant is reserved at the bottom of the gas-liquid separator 10, and the gas refrigerant enters the inlet of the compressor 1, so that the circulation is completed.
(4) The single hot water making mode comprises:
as shown in fig. 5, the port a and the port b of the four-way selector valve 2 are connected, the first solenoid valve 3 and the third solenoid valve 12 are closed, the second solenoid valve 7 and the fourth solenoid valve 11 are opened, and the first electronic expansion valve 6 is fully closed.
High-temperature and high-pressure gaseous refrigerant discharged from an outlet of the compressor 1 enters the ports a and b of the four-way reversing valve 2, and the refrigerant continues to flow through the second electromagnetic valve 7 and is radiated in the waterway heat exchanger 8, so that the water temperature in the waterway heat exchanger 8 is increased, and the refrigerant is condensed into liquid. The refrigerant continues to flow through the second filter 9 and the second electronic expansion valve 15, the opening degree of the second electronic expansion valve 15 is adjusted according to the system requirements, and the liquid refrigerant is throttled at the second electronic expansion valve 15 and becomes a low-temperature low-pressure gas-liquid two-phase state. After the refrigerant continues to flow through the third filter 14, the gas-liquid two-phase refrigerant is cooled in the outdoor heat exchanger 13 to absorb heat of outdoor air, the refrigerant continues to flow through the fourth electromagnetic valve 11 and the ports d and c of the four-way reversing valve 2 and enters the gas-liquid separator 10, the liquid refrigerant remains at the bottom of the gas-liquid separator 10, and the gaseous refrigerant enters the inlet of the compressor 1 to complete the cycle.
(5) Hot water and cold air making mode:
as shown in fig. 6, the port a and the port d of the four-way selector valve 2 are connected, the first solenoid valve 3 and the third solenoid valve 12 are opened, the second solenoid valve 7 and the fourth solenoid valve 11 are closed, and the second electronic expansion valve 15 is fully closed.
High-temperature and high-pressure gaseous refrigerant discharged from the outlet of the compressor 1 enters the ports a and d of the four-way reversing valve 2, and the refrigerant continues to flow through the third electromagnetic valve 12 to dissipate heat in the waterway heat exchanger 8, so that the water temperature in the waterway heat exchanger 8 is increased, and the refrigerant is condensed into liquid. The refrigerant continues to flow through the second filter 9 and the first electronic expansion valve 6, the opening degree of the first electronic expansion valve 6 is adjusted according to the system requirement, and the liquid refrigerant is throttled at the first electronic expansion valve 6 and is changed into a low-temperature low-pressure gas-liquid two-phase state. After the refrigerant continues to flow through the first filter 5, the gas-liquid two-phase refrigerant is cooled in the indoor heat exchanger 4, so that the indoor temperature is reduced, the refrigerant continues to flow through the first electromagnetic valve 3 and the ports b and c of the four-way reversing valve 2 and enters the gas-liquid separator 10, the liquid refrigerant is left at the bottom of the gas-liquid separator 10, and the gaseous refrigerant enters the inlet of the compressor 1, so that the cycle is completed.
(6) Refrigeration water and hot air mode:
as shown in fig. 7, the port a and the port b of the four-way selector valve 2 are communicated, the first solenoid valve 3 and the third solenoid valve 12 are opened, the second solenoid valve 7 and the fourth solenoid valve 11 are closed, the first solenoid valve 3 is opened, and the second electronic expansion valve 15 is fully closed.
High-temperature and high-pressure gaseous refrigerant discharged from an outlet of the compressor 1 enters the ports a and b of the four-way reversing valve 2, and the refrigerant continues to flow through the first electromagnetic valve 3 and is radiated in the indoor heat exchanger 4, so that the indoor temperature is increased, and meanwhile, the refrigerant is condensed into liquid. The refrigerant continuously flows through the first filter 5 and the first electronic expansion valve 6, the opening degree of the first electronic expansion valve 6 is adjusted according to system requirements, the liquid refrigerant is throttled at the first electronic expansion valve 6 and is changed into a low-temperature and low-pressure gas-liquid two-phase state, after the refrigerant continuously flows through the second filter 9, the gas-liquid two-phase state refrigerant is cooled in the water path heat exchanger 8, the water temperature in the water path heat exchanger 8 is reduced, the refrigerant continuously flows through the third electromagnetic valve 12 and the d port and the c port of the four-way reversing valve 2 and enters the gas-liquid separator 10, the liquid refrigerant is reserved at the bottom of the gas-liquid separator 10, and the gaseous refrigerant enters the inlet of the compressor 1 to complete.
(7) Defrosting mode:
as shown in fig. 8, the port a and the port d of the four-way selector valve 2 are connected, the first solenoid valve 3 and the third solenoid valve 12 are closed, the second solenoid valve 7 and the fourth solenoid valve 11 are opened, and the first electronic expansion valve 6 is fully closed.
The high-temperature high-pressure gaseous refrigerant discharged from the outlet of the compressor 1 enters the ports a and d of the four-way reversing valve 2, continues to flow through the fourth electromagnetic valve 11, dissipates heat in the outdoor heat exchanger 13, and is condensed into liquid. The refrigerant continues to flow through the third filter 14 and the second electronic expansion valve 15, the opening degree of the second electronic expansion valve 15 is adjusted according to the system requirements, and the liquid refrigerant is throttled at the second electronic expansion valve 15 and becomes a low-temperature low-pressure gas-liquid two-phase state. After the refrigerant continues to flow through the second filter 9, the gas-liquid two-phase refrigerant is cooled in the water path heat exchanger 8 to absorb the heat of water in the water path heat exchanger 8, the refrigerant continues to flow through the second electromagnetic valve 7 and the ports b and c of the four-way reversing valve 2 and enters the gas-liquid separator 10, the liquid refrigerant is reserved at the bottom of the gas-liquid separator 10, and the gas refrigerant enters the inlet of the compressor 1 to complete the circulation.
Embodiment 2 of the utility model:
the present embodiment is different from embodiment 1 only in the throttle portion. In example 1, an electronic expansion valve is used as a throttle, the first electronic expansion valve 6 is used as a first throttle, and the second electronic expansion valve 15 is used as a second throttle. In this embodiment, capillary tubes are used as the first throttle and the second throttle instead of the electronic expansion valves, and as shown in fig. 9, the two capillary tubes are respectively designated as a first capillary tube 16 and a second capillary tube 17.
In other embodiments, a thermostatic expansion valve or a manual throttle valve may be used instead of an electronic expansion valve.
as shown in fig. 10, the present embodiment is different from embodiment 1 only in that two-position three-way valves are used instead of the solenoid valves in embodiment 1.
The system comprises a compressor 1, a four-way reversing valve 2, a first two-position three-way valve 18, an indoor heat exchanger 4, a first filter 5, a first throttling piece, a second filter 9, a third filter 14, a waterway heat exchanger 8, an outdoor heat exchanger 13, a second two-position three-way valve 19 and a gas-liquid separator 10.
An outlet of the compressor 1 is connected with an a port of the four-way reversing valve 2, a b port of the four-way reversing valve 2 is connected with an r port of the first two-position three-way valve 18 through a first pipeline 21, an s port of the first two-position three-way valve 18 is connected with an e port of the indoor heat exchanger 4, and an f port of the indoor heat exchanger 4, the first filter 5, the first throttling element, the second throttling element, the third filter 14 and the outdoor heat exchanger 13 are sequentially connected in series.
The d port of the four-way reversing valve 2 is connected with the x port of the second two-position three-way valve 19 through a second pipeline 22, the y port of the second two-position three-way valve 19 is connected with the m port of the outdoor heat exchanger 13, and the n port of the outdoor heat exchanger 13 is connected with the third filter 14.
A third pipeline 23 is connected between the t port of the first two-position three-way valve 18 and the z port of the second two-position three-way valve 19, and a joint point of the third pipeline 23 between the t port and the z port is connected with the g port of the waterway heat exchanger 8, and can be connected by using a three-way joint. The h port of the waterway heat exchanger 8 is connected with a second filter 9 in series, and the second filter 9 is connected with a first throttling piece and a second throttling piece through a tee joint after being converged.
The port c of the four-way reversing valve 2 is communicated with the inlet of the gas-liquid separator 10, and the outlet of the gas-liquid separator 10 is connected with the inlet of the compressor 1.
The above system is basically similar to that of embodiment 1, except that the on-off of the solenoid valve is replaced by the reversing of the two-position three-way valve, and the 7 working modes of embodiment 1 can be realized, and the working process is not described in detail.
Claims (6)
1. Can supply system of cold wind, hot-blast, hot water, cold water, its characterized in that: the system comprises a compressor, a four-way reversing valve, a first electromagnetic valve, an indoor heat exchanger, a first filter, a first throttling piece, a second filter, a third filter, a waterway heat exchanger, an outdoor heat exchanger, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve and a gas-liquid separator;
the outlet of the compressor is connected with the port a of the four-way reversing valve, the port b of the four-way reversing valve is connected with the first electromagnetic valve through a first pipeline, the port d of the four-way reversing valve is connected with the fourth electromagnetic valve through a second pipeline, the port c of the four-way reversing valve is communicated with the inlet of the gas-liquid separator, and the outlet of the gas-liquid separator is connected with the inlet of the compressor;
the first electromagnetic valve, the indoor heat exchanger, the first filter, the first throttling element, the second throttling element, the third filter, the outdoor heat exchanger and the fourth electromagnetic valve are sequentially connected in series;
a third pipeline is connected between the first pipeline and the second pipeline, a second electromagnetic valve and a third electromagnetic valve are arranged on the third pipeline, a joint of the third pipeline between the second electromagnetic valve and the third electromagnetic valve is connected with a port g of the waterway heat exchanger, and a port h of the waterway heat exchanger is connected with a second filter in series;
the second filter is connected with the first throttling element and the second throttling element through a tee joint after being converged.
2. The system for supplying cold air, hot water, and cold water according to claim 1, wherein: the first throttling element and the second throttling element are both electronic expansion valves or capillary tubes.
3. The system for supplying cold air, hot water, and cold water according to claim 1, wherein: the system has a single cooling wind mode:
the port a of the four-way reversing valve is communicated with the port d, the first electromagnetic valve and the fourth electromagnetic valve are opened, and the second electromagnetic valve and the third electromagnetic valve are closed;
individual heating wind mode:
the port a of the four-way reversing valve is communicated with the port b, the first electromagnetic valve and the fourth electromagnetic valve are opened, and the second electromagnetic valve and the third electromagnetic valve are closed;
independent chilled water mode:
the port a of the four-way reversing valve is communicated with the port d, the first electromagnetic valve and the third electromagnetic valve are closed, the second electromagnetic valve and the fourth electromagnetic valve are opened, and the first throttling element is in full closing;
the single hot water making mode comprises:
the port a of the four-way reversing valve is communicated with the port b, the first electromagnetic valve and the third electromagnetic valve are closed, the second electromagnetic valve and the fourth electromagnetic valve are opened, and the first throttling element is in full closing;
hot water and cold air making mode:
the port a of the four-way reversing valve is communicated with the port d, the first electromagnetic valve and the third electromagnetic valve are opened, the second electromagnetic valve and the fourth electromagnetic valve are closed, and the second throttling element is in full closing;
refrigeration water and hot air mode:
the port a of the four-way reversing valve is communicated with the port b, the first electromagnetic valve and the third electromagnetic valve are opened, the second electromagnetic valve and the fourth electromagnetic valve are closed, the first electromagnetic valve is opened, and the second throttling element is in full closing;
defrosting mode:
the port a of the four-way reversing valve is communicated with the port d, the first electromagnetic valve and the third electromagnetic valve are closed, the second electromagnetic valve and the fourth electromagnetic valve are opened, and the first throttling element is in full-closed state.
4. The system for supplying cold air, hot water, and cold water according to claim 3, wherein: the first throttling element is arranged indoors, the second throttling element is arranged outdoors, in an independent cooling air mode, the second throttling element is fully opened, and only the first throttling element plays a throttling role; in the single heating wind mode, the first throttling element is fully opened, and only the second throttling element plays a throttling role.
5. Can supply system of cold wind, hot-blast, hot water, cold water, its characterized in that: the system comprises a compressor, a four-way reversing valve, a first two-position three-way valve, an indoor heat exchanger, a first filter, a first throttling element, a second filter, a third filter, a waterway heat exchanger, an outdoor heat exchanger, a second two-position three-way valve and a gas-liquid separator;
an outlet of the compressor is connected with an a port of the four-way reversing valve, a b port of the four-way reversing valve is connected with an r port of the first two-position three-way valve through a first pipeline, an s port of the first two-position three-way valve is connected with an e port of the indoor heat exchanger, and an f port of the indoor heat exchanger, the first filter, the first throttling element, the second throttling element, the third filter and the outdoor heat exchanger are sequentially connected in series;
a port d of the four-way reversing valve is connected with a port x of the second two-position three-way valve through a second pipeline, a port y of the second two-position three-way valve is connected with a port m of the outdoor heat exchanger, and a port n of the outdoor heat exchanger is connected with the third filter;
a third pipeline is connected between the t port of the first two-position three-way valve and the z port of the second two-position three-way valve, a joint of the third pipeline between the t port and the z port is connected with the g port of the waterway heat exchanger, and the h port of the waterway heat exchanger is connected with the second filter in series;
the second filter is connected with the first throttling element and the second throttling element through a tee joint after being converged;
the port c of the four-way reversing valve is communicated with the inlet of the gas-liquid separator, and the outlet of the gas-liquid separator is connected with the inlet of the compressor.
6. The system for supplying cold air, hot water and cold water according to claim 5, wherein: the first throttling element and the second throttling element adopt electronic expansion valves or capillary tubes.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562829A (en) * | 2020-11-27 | 2022-05-31 | 苏州三星电子有限公司 | Central air conditioning device with hydraulic unit and heat recovery function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562829A (en) * | 2020-11-27 | 2022-05-31 | 苏州三星电子有限公司 | Central air conditioning device with hydraulic unit and heat recovery function |
| CN114562829B (en) * | 2020-11-27 | 2024-05-14 | 苏州三星电子有限公司 | Central air conditioning device with hydroelectric generating set and heat recovery function |
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