CN203489525U - Air-conditioning hot water system - Google Patents

Air-conditioning hot water system Download PDF

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Publication number
CN203489525U
CN203489525U CN201320564764.4U CN201320564764U CN203489525U CN 203489525 U CN203489525 U CN 203489525U CN 201320564764 U CN201320564764 U CN 201320564764U CN 203489525 U CN203489525 U CN 203489525U
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China
Prior art keywords
valve
valve port
port
compressor
hot water
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Expired - Lifetime
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CN201320564764.4U
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Chinese (zh)
Inventor
武连发
余凯
罗亚军
熊建国
任小辉
周冰
李立民
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201320564764.4U priority Critical patent/CN203489525U/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/003—Indoor unit with water as a heat sink or heat source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02742—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two four-way valves

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  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

The utility model provides an air-conditioning and water-heating system, a first valve port of a first four-way valve is communicated with an exhaust end of a first compressor, a second valve port is communicated with a first end of a second heat exchanger, a third valve port is communicated with a suction end of the first compressor, and a fourth valve port is connected with a first throttling device in series and is communicated with the suction end of the first compressor; the fifth valve port on the second four-way valve is communicated with the exhaust end of the second compressor, the sixth valve port is connected with the second throttling device in series and is communicated with the suction ends of the first compressor and the second compressor, the seventh valve port is communicated with the suction end of the second compressor, the eighth valve port is communicated with the second ends of the first heat exchanger and the hot water generator respectively after the first heat exchanger is connected with the first throttling device in series and then is communicated with the second heat exchanger and the hot water generator, the first end of the hot water generator is connected with the second electromagnetic valve in series and is communicated with the fifth valve port, the hot water generator is connected with the third electromagnetic valve in series and then is connected with the second heat exchanger in parallel, and the first electromagnetic valve is connected between the exhaust confluence point. Improve the effect of heating and hot water.

Description

Air-conditioning hot water system
Technical Field
The utility model relates to a refrigeration field especially relates to an air conditioner hot water system who ally oneself with more.
Background
The air-conditioning and water-heating system with two compressors in the multi-connected water heater in the prior art is shown in fig. 1 and comprises a first compressor 1, a second compressor 2, a first heat exchanger 3, a second heat exchanger 6, a hot water generator 7, a first four-way valve 12, a second four-way valve 16, a first throttling device 13, a second throttling device 15, a third throttling device 4, a second electromagnetic valve 9, a third electromagnetic valve 8, a first stop valve 10, a second stop valve 17 and a third stop valve 5. The air-conditioning hot water system in the prior art generally inhales air from a gas-liquid separator, namely an air-suction main pipe led out from the gas-liquid separator is divided into two branch pipes for two compressors to inhale air, a refrigerant is compressed by the two compressors, and exhaust air is converged to an exhaust main pipe and then flows to a four-way valve through the oil separator, namely the two compressors are connected in parallel between the gas-liquid separator and the four-way valve.
SUMMERY OF THE UTILITY MODEL
In view of the current situation of the prior art, the present invention aims to provide an air conditioning and water heating system, which improves the heating effect. In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an air-conditioning hot water system comprises a first compressor, a second compressor, a first heat exchanger, a second heat exchanger and a hot water generator, and further comprises a first four-way valve, a second four-way valve, a first throttling device, a second throttling device, a third throttling device, a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve;
the first four-way valve is provided with first to fourth valve ports, the second four-way valve is provided with fifth to eighth valve ports, the first valve port is communicated with the exhaust end of the first compressor, the second valve port is communicated with the first end of the second heat exchanger, the third valve port is communicated with the suction end of the first compressor, and the fourth valve port is connected with the first throttling device in series and is communicated with the suction end of the first compressor; the fifth valve port is communicated with the exhaust end of the second compressor, the sixth valve port is connected with the second throttling device in series and is communicated with the suction end of the second compressor, the seventh valve port is communicated with the suction end of the second compressor, and the suction end of the first compressor is communicated with the suction end of the second compressor;
the eighth valve port is communicated with the first end of the first heat exchanger, the second end of the first heat exchanger is connected with the second end of the second heat exchanger and the second end of the hot water generator respectively after being connected with the third throttling device in series, the first end of the hot water generator is connected with the second electromagnetic valve in series and is communicated with the fifth valve port, and the first end of the hot water generator is also connected with the third electromagnetic valve in series and is communicated with the second valve port;
the first valve port is connected with the fifth valve port in series through the first electromagnetic valve, and the first electromagnetic valve is connected between the exhaust merging point of the first compressor and the second compressor and the first valve port in series.
Preferably, the air-conditioning and water-heating system further comprises a one-way valve;
the exhaust end of the second compressor is connected with the check valve in series to be communicated with the fifth valve port, and the check valve is connected between the exhaust merging point of the first compressor and the second compressor and the exhaust end of the second compressor in series.
Preferably, the air-conditioning and water-heating system further comprises a first stop valve;
the first stop valve is connected in series between the fifth port and the second solenoid valve.
Preferably, the air-conditioning and water-heating system further comprises a second stop valve;
the second shutoff valve is connected in series between the second valve port and the first end of the second heat exchanger.
Preferably, the air-conditioning and water-heating system further comprises a third stop valve;
and the second end of the second heat exchanger and the second end of the hot water generator are respectively connected with the third throttling device through the third stop valve.
Preferably, the air-conditioning and water-heating system has a cooling mode, wherein when the air-conditioning and water-heating system is in the cooling mode, the first valve port and the fourth valve port, the second valve port and the third valve port, the fifth valve port and the eighth valve port, and the sixth valve port and the seventh valve port are respectively connected, the first electromagnetic valve and the third throttling device operate, and the second electromagnetic valve and the third electromagnetic valve are closed.
Preferably, the air-conditioning and water-heating system further has a first heating mode, wherein when the air-conditioning and water-heating system is in the first heating mode, the first valve port and the second valve port, the third valve port and the fourth valve port, the fifth valve port and the sixth valve port, and the seventh valve port and the eighth valve port are respectively connected, the third throttling device operates, and the first solenoid valve, the second solenoid valve, and the third solenoid valve are closed.
Preferably, the air-conditioning and water-heating system further has a second heating mode, wherein when the air-conditioning and water-heating system is in the second heating mode, the first valve port and the second valve port, the third valve port and the fourth valve port, the fifth valve port and the sixth valve port, and the seventh valve port and the eighth valve port are respectively connected, the first solenoid valve and the third throttling device operate, and the second solenoid valve and the third solenoid valve are closed.
Preferably, the air-conditioning and water-heating system further has a cooling and water heating mode, wherein when the air-conditioning and water-heating system is in the cooling and water heating mode, the first valve port and the fourth valve port, the second valve port and the third valve port, the fifth valve port and the eighth valve port, and the sixth valve port and the seventh valve port are respectively connected, the first solenoid valve, the second solenoid valve, and the third throttling device operate, and the third solenoid valve is closed.
Preferably, the air-conditioning water heating system further has a heating and water heating mode, wherein when the air-conditioning water heating system is in the heating and water heating mode, the first valve port and the second valve port, the third valve port and the fourth valve port, the fifth valve port and the sixth valve port, and the seventh valve port and the eighth valve port are respectively communicated, the first electromagnetic valve and the third electromagnetic valve are closed, and the second electromagnetic valve and the third throttling device operate.
Preferably, the air-conditioning water heating system further has a water heating mode, wherein when the air-conditioning water heating system is in the water heating mode, the first valve port and the fourth valve port, the second valve port and the third valve port, the fifth valve port and the sixth valve port, and the seventh valve port and the eighth valve port are respectively connected, the first solenoid valve, the second solenoid valve, and the third throttling device operate, and the third solenoid valve is closed.
The utility model has the advantages that:
the utility model discloses an air conditioner hot-water heating system, the exhaust meeting point control carminative going of changing two compressors is to solving the poor problem of effect when many hot-water heating machine heats and heats + heats water, heats and heats the heat distribution that the realization internal heating that can all be more nimble is heated and water tank heats water and ground warms up under two kinds of modes of water, has improved the effect of air conditioner hot-water heating system when heating and heating + heats water.
Drawings
FIG. 1 is a schematic structural diagram of a prior art air-conditioning and water-heating system;
fig. 2 is a schematic structural view of an embodiment of the air-conditioning hot water system of the present invention;
wherein,
1 a first compressor; 2 a second compressor; 3 a first heat exchanger; 4 a third throttling means;
5 a third stop valve; 6 a second heat exchanger; 7 a hot water generator; 8 a third solenoid valve;
9 a second solenoid valve; 10 a first stop valve; 11 a first solenoid valve; 12 a first four-way valve;
13 a first throttling means; 14 a one-way valve; 15 a second throttling means; 16 a second four-way valve;
17 second stop valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description is made in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 2, the air-conditioning hot water system according to the embodiment of the present invention includes a first compressor 1, a second compressor 2, a first heat exchanger 3, a second heat exchanger 6, a hot water generator 7, a first four-way valve 12, a second four-way valve 16, a first throttling device 13, a second throttling device 15, a third throttling device 4, a first solenoid valve 11, a second solenoid valve 9, and a third solenoid valve 8.
The first four-way valve 12 has first to fourth ports (a 1, B1, C1, D1), the second four-way valve 16 has fifth to eighth ports (a 2, B2, C2, D2), the first port a1 communicates with the exhaust end of the first compressor 1, the second port B1 communicates with the first end of the second heat exchanger 6, the third port C1 communicates with the suction end of the first compressor 1, and the fourth port D1 communicates with the suction end of the first compressor 1 in series with the first throttling device 13; the fifth valve port A2 is communicated with the exhaust end of the second compressor 2, the sixth valve port B2 is connected with the second throttling device 15 in series and is communicated with the suction end of the second compressor 2, the seventh valve port C2 is communicated with the suction end of the second compressor 2, and the suction end of the first compressor 1 is communicated with the suction end of the second compressor 2.
The eighth valve port D2 is communicated with the first end of the first heat exchanger 3, the second end of the first heat exchanger 3 is connected in series with the third throttling device 4 and then is communicated with the second end of the second heat exchanger 6 and the second end of the hot water generator 7, the first end of the hot water generator 7 is connected in series with the second electromagnetic valve 9 and is communicated with the fifth valve port a2, and the first end of the hot water generator 7 is also connected in series with the third electromagnetic valve 8 and is communicated with the second valve port B1.
The first valve port A1 is connected in series with the first solenoid valve 11 to communicate with the fifth valve port A2, and the first solenoid valve 11 is connected in series between the exhaust merging point of the first compressor 1 and the second compressor 2 and the first valve port A1.
Preferably, as an implementable mode, the air-conditioning and water-heating system further comprises a check valve 14, the exhaust end of the second compressor 2 is connected with the check valve 14 in series to communicate with the fifth valve port a2, and the check valve 14 is connected between the exhaust merging point of the first compressor 1 and the second compressor 2 and the exhaust end of the second compressor 2 in series. Preferably, the air-conditioning hot water system further comprises a first stop valve 10, a second stop valve 17 and a third stop valve 5, the first stop valve 10 is connected in series between the fifth port a2 and the second electromagnetic valve 9, the second stop valve 17 is connected in series between the second port B1 and the first end of the second heat exchanger 6, and the second end of the second heat exchanger 6 and the second end of the hot water generator 7 are respectively connected with the third throttling device 4 through the third stop valve 5. The setting of check valve 14 prevents the refrigerant refluence, and when air conditioning hot water system broke down, accessible first stop valve, second stop valve and third stop valve were ended, need not to put down the refrigerant in the system and can maintain convenient operation.
The utility model discloses an air conditioner hot-water heating system both can carry out refrigeration cycle, can heat the circulation again, still can be in refrigeration or heat the while system hot water circulation, also can carry out system hot water circulation alone certainly.
Preferably, as an implementation mode, the air-conditioning hot water system has a cooling mode, wherein when the air-conditioning hot water system is in the cooling mode, the first four-way valve 12 is energized, the second four-way valve 16 is also energized, the first port a1 and the fourth port D1, the second port B1 and the third port C1, the fifth port a2 and the eighth port D2, and the sixth port B2 and the seventh port C2 are respectively communicated, the first solenoid valve 11 and the third throttle device 4 are operated, and the second solenoid valve 9 and the third solenoid valve 8 are closed.
The high-temperature high-pressure gaseous refrigerant discharged by the first compressor 1 and/or the second compressor 2 enters the first heat exchanger 3 (outdoor heat exchanger) through the fifth valve port a2 and the eighth valve port D2 on the second four-way valve 16, is condensed into liquid in the first heat exchanger 3, enters the second heat exchanger 6 (indoor heat exchanger) after being throttled by the third throttling device 4, evaporates and absorbs heat in the second heat exchanger 6, enters the gas-liquid separator through the second valve port B1 and the third valve port C1 on the first four-way valve 12, finally enters the suction end of the first compressor 1 and/or the second compressor 2, and circulates in this way. The third throttling means 4 is a capillary tube or an electronic expansion valve. When the pressure of the exhaust ends of the first compressor 1 and the second compressor 2 is too high, the first throttling device 13 and the second throttling device 15 can be used for unloading, and the reliable operation of the unit at high temperature is ensured.
Preferably, as an implementation mode, the air-conditioning and water-heating system further has a first heating mode, in which only the first compressor 1 is operated, and both the first four-way valve 12 and the second four-way valve 16 are de-energized, wherein in the first heating mode of the air-conditioning and water-heating system, the first port a1 and the second port B1, the third port C1 and the fourth port D1, the fifth port a2 and the sixth port B2, and the seventh port C2 and the eighth port D2 are respectively communicated, the third throttling device 4 is operated, and the first solenoid valve 11, the second solenoid valve 9 and the third solenoid valve 8 are closed.
The high-temperature high-pressure gaseous refrigerant discharged by the first compressor 1 enters the second heat exchanger 6 through the first valve port A1 and the second valve port B1, the refrigerant cooled by the second heat exchanger 6 sequentially passes through the third throttling device 4 and the first heat exchanger 3, enters the eighth valve port D2 on the second four-way valve 16, then flows to the gas-liquid separator from the seventh valve port C2, and finally enters the suction end of the first compressor 1.
Preferably, as an implementation manner, the air-conditioning hot water system further has a second heating mode, in which the first compressor 1 and the second compressor 2 operate simultaneously, wherein in the second heating mode of the air-conditioning hot water system, the first port a1 and the second port B1, the third port C1 and the fourth port D1, the fifth port a2 and the sixth port B2, and the seventh port C2 and the eighth port D2 are respectively communicated, the first solenoid valve 11 and the third throttling device 4 operate, and the second solenoid valve 9 and the third solenoid valve 8 are closed.
High-temperature and high-pressure gaseous refrigerant discharged by the first compressor 1 and the second compressor 2 enters the second heat exchanger 6 through the first valve port A1 and the second valve port B1, the refrigerant cooled by the second heat exchanger 6 sequentially passes through the third throttling device 4 and the first heat exchanger 3, enters the eighth valve port D2 on the second four-way valve 16, flows to the gas-liquid separator from the seventh valve port C2, and finally enters the suction ends of the first compressor 1 and the second compressor 2. The first compressor 1 and the second compressor 2 work simultaneously, and the heating effect of the air-conditioning hot water system is enhanced.
Preferably, as an implementation mode, the air-conditioning and water-heating system further has a cooling and heating water mode, wherein when the air-conditioning and water-heating system is in the cooling and heating water mode, the first four-way valve 12 and the second four-way valve 16 are both energized, the first port a1 and the fourth port D1, the second port B1 and the third port C1, the fifth port a2 and the eighth port D2, and the sixth port B2 and the seventh port C2 are respectively communicated, the first solenoid valve 11, the second solenoid valve 9 and the third throttle device 4 are operated, and the third solenoid valve 8 is closed.
The high-temperature high-pressure gaseous refrigerant discharged by the first compressor 1 and/or the second compressor 2 is divided into two paths, wherein one path of the high-temperature high-pressure gaseous refrigerant flows to the first heat exchanger 3 through a fifth valve port A2 and an eighth valve port D2 on the second four-way valve 16, is condensed into liquid in the first heat exchanger 3, enters the second heat exchanger 6 after being throttled by the third throttling device 4, is evaporated and absorbs heat in the second heat exchanger 6, enters the gas-liquid separator through a second valve port B1 and a third valve port C1 on the first four-way valve 12, and finally enters the suction end of the first compressor 1 and/or the second compressor 2; the other path enters the hot water generator 7 through the second electromagnetic valve 9, and the refrigerant flowing out of the hot water generator 7 evaporates and absorbs heat in the second heat exchanger 6, then flows through the second valve port B1 and the third valve port C1 on the first four-way valve 12, returns to the gas-liquid separator, and finally flows to the suction end of the first compressor and/or the second compressor.
Preferably, as an implementation mode, the air-conditioning and water-heating system further has a heating + heating water mode, wherein when the air-conditioning and water-heating system is in the heating + heating water mode, the first four-way valve 12 and the second four-way valve 16 are both de-energized, the first port a1 and the second port B1, the third port C1 and the fourth port D1, the fifth port a2 and the sixth port B2, and the seventh port C2 and the eighth port D2 are respectively energized, the first solenoid valve 11 and the third solenoid valve 8 are closed, and the second solenoid valve 9 and the third throttling device 4 are operated.
The high-temperature high-pressure gaseous refrigerant discharged by the first compressor 1 enters the second heat exchanger 6 through the first valve port A1 and the second valve port B1 of the first four-way valve 12, the refrigerant flowing out of the second heat exchanger 6 sequentially passes through the third throttling device 4 and the first heat exchanger 3, then enters the gas-liquid separator through the eighth valve port D2 and the seventh valve port C2 on the second four-way valve 16, and finally flows to the suction end of the first compressor 1; the high-temperature high-pressure gaseous refrigerant discharged from the second compressor 2 enters the hot water generator 7 through the second electromagnetic valve 9, and the refrigerant flowing out of the hot water generator 7 sequentially passes through the third throttling device 4 and the first heat exchanger 3, then enters the gas-liquid separator through the eighth valve port D2 and the seventh valve port C2 on the second four-way valve 16, and finally flows to the suction end of the second compressor 2.
Preferably, as an implementation mode, the air-conditioning hot water system further has a hot water heating mode, wherein when the air-conditioning hot water system is in the hot water heating mode, the first four-way valve 12 is powered on, the second four-way valve 16 is powered off, the first port a1 and the fourth port D1, the second port B1 and the third port C1, the fifth port a2 and the sixth port B2, and the seventh port C2 and the eighth port D2 are respectively conducted, the first solenoid valve 11, the second solenoid valve 9 and the third throttle device 4 are operated, and the third solenoid valve 8 is closed.
The high-temperature high-pressure gaseous refrigerant discharged by the first compressor 1 and/or the second compressor 2 enters the hot water generator 7 through the second electromagnetic valve 9 to heat water in the hot water generator 7, the refrigerant flowing out of the hot water generator 7 flows through the third throttling device 4 and the first heat exchanger 3 in sequence, flows through the seventh valve port C2 and the eighth valve port D2 on the second four-way valve 16, returns to the gas-liquid separator, and finally flows to the suction end of the first compressor and/or the second compressor, and the hot water is circularly produced.
The air-conditioning hot water system of the embodiment adopts the double compressors, and changes the installation form of the traditional double compressors connected in parallel, namely the air suction of the double compressors is still from the gas-liquid separator, the refrigerant is divided into two paths for the two compressors to suck after coming out of the gas-liquid separator, the flow direction of the compressed and discharged refrigerant is changed, namely the exhaust merging point of the two compressors is not in front of the oil separator, but behind the first four-way valve, and a first electromagnetic valve is installed between the first four-way valve and the exhaust merging point of the two compressors, whether the exhaust of the two compressors needs to be merged to enter the next flow is determined by the on-off of the first electromagnetic valve when necessary, and a one-way valve is also installed on the exhaust pipe of the second compressor for preventing the backflow of the refrigerant; above design, the heat distribution that can all be more nimble realization internal unit heating and water tank heating water and ground heat under heating and heating + heating water two kinds of modes, the exhaust arrival of control through the exhaust confluence point of changing two compressors is solved many online hot water machine heating and the poor problem of effect when heating + heating water, has improved the heating of air conditioner hot water system and has heated + the effect of heating water.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (11)

1. The utility model provides an air conditioner hot-water heating system, includes first compressor, second compressor, first heat exchanger, second heat exchanger and hot water generator, its characterized in that:
the electromagnetic valve also comprises a first four-way valve, a second four-way valve, a first throttling device, a second throttling device, a third throttling device, a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve;
the first four-way valve is provided with first to fourth valve ports, the second four-way valve is provided with fifth to eighth valve ports, the first valve port is communicated with the exhaust end of the first compressor, the second valve port is communicated with the first end of the second heat exchanger, the third valve port is communicated with the suction end of the first compressor, and the fourth valve port is connected with the first throttling device in series and is communicated with the suction end of the first compressor; the fifth valve port is communicated with the exhaust end of the second compressor, the sixth valve port is connected with the second throttling device in series and is communicated with the suction end of the second compressor, the seventh valve port is communicated with the suction end of the second compressor, and the suction end of the first compressor is communicated with the suction end of the second compressor;
the eighth valve port is communicated with the first end of the first heat exchanger, the second end of the first heat exchanger is connected with the second end of the second heat exchanger and the second end of the hot water generator respectively after being connected with the third throttling device in series, the first end of the hot water generator is connected with the second electromagnetic valve in series and is communicated with the fifth valve port, and the first end of the hot water generator is also connected with the third electromagnetic valve in series and is communicated with the second valve port;
the first valve port is connected with the fifth valve port in series through the first electromagnetic valve, and the first electromagnetic valve is connected between the exhaust merging point of the first compressor and the second compressor and the first valve port in series.
2. An air conditioning and water heating system as claimed in claim 1, wherein:
the device also comprises a one-way valve;
the exhaust end of the second compressor is connected with the check valve in series to be communicated with the fifth valve port, and the check valve is connected between the exhaust merging point of the first compressor and the second compressor and the exhaust end of the second compressor in series.
3. An air conditioning and water heating system as claimed in claim 1, wherein:
further comprising a first shut-off valve;
the first stop valve is connected in series between the fifth port and the second solenoid valve.
4. An air conditioning and water heating system as claimed in claim 3, wherein:
the device also comprises a second stop valve;
the second shutoff valve is connected in series between the second valve port and the first end of the second heat exchanger.
5. An air conditioning and water heating system as claimed in claim 4, wherein:
a third stop valve is also included;
and the second end of the second heat exchanger and the second end of the hot water generator are respectively connected with the third throttling device through the third stop valve.
6. An air conditioning and water heating system as claimed in claim 1, wherein:
the air-conditioning hot water system is provided with a refrigeration mode, wherein when the air-conditioning hot water system is in the refrigeration mode, the first valve port and the fourth valve port, the second valve port and the third valve port, the fifth valve port and the eighth valve port, and the sixth valve port and the seventh valve port are respectively communicated, the first electromagnetic valve and the third throttling device work, and the second electromagnetic valve and the third electromagnetic valve are closed.
7. An air conditioning and water heating system as claimed in claim 1, wherein:
the air-conditioning hot water system further comprises a first heating mode, wherein when the air-conditioning hot water system is in the first heating mode, the first valve port and the second valve port, the third valve port and the fourth valve port, the fifth valve port and the sixth valve port, and the seventh valve port and the eighth valve port are respectively communicated, the third throttling device works, and the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are closed.
8. An air conditioning and water heating system as claimed in claim 1, wherein:
the air-conditioning hot water system further comprises a second heating mode, wherein when the air-conditioning hot water system is in the second heating mode, the first valve port and the second valve port, the third valve port and the fourth valve port, the fifth valve port and the sixth valve port, and the seventh valve port and the eighth valve port are respectively communicated, the first electromagnetic valve and the third throttling device work, and the second electromagnetic valve and the third electromagnetic valve are closed.
9. An air conditioning and water heating system as claimed in claim 1, wherein:
the air-conditioning hot water system also has a refrigeration and hot water heating mode, wherein when the air-conditioning hot water system is in the refrigeration and hot water heating mode, the first valve port and the fourth valve port, the second valve port and the third valve port, the fifth valve port and the eighth valve port, and the sixth valve port and the seventh valve port are respectively communicated, the first electromagnetic valve, the second electromagnetic valve and the third throttling device work, and the third electromagnetic valve is closed.
10. An air conditioning and water heating system as claimed in claim 1, wherein:
the air-conditioning hot water system also has a heating and hot water mode, wherein when the air-conditioning hot water system is in the heating and hot water mode, the first valve port and the second valve port, the third valve port and the fourth valve port, the fifth valve port and the sixth valve port, and the seventh valve port and the eighth valve port are respectively communicated, the first electromagnetic valve and the third electromagnetic valve are closed, and the second electromagnetic valve and the third throttling device work.
11. An air conditioning and water heating system as claimed in claim 1, wherein:
the air-conditioning water heating system further comprises a water heating mode, wherein when the air-conditioning water heating system is in the water heating mode, the first valve port and the fourth valve port, the second valve port and the third valve port, the fifth valve port and the sixth valve port, and the seventh valve port and the eighth valve port are respectively communicated, the first electromagnetic valve, the second electromagnetic valve and the third throttling device work, and the third electromagnetic valve is closed.
CN201320564764.4U 2013-09-11 2013-09-11 Air-conditioning hot water system Expired - Lifetime CN203489525U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103900288A (en) * 2014-04-04 2014-07-02 中交第二航务工程勘察设计院有限公司 Heat pump unit for harbor districts and control method thereof
CN104422196A (en) * 2013-09-11 2015-03-18 珠海格力电器股份有限公司 Air-conditioning hot water system
WO2020098263A1 (en) * 2018-11-14 2020-05-22 青岛经济技术开发区海尔热水器有限公司 Heat pump system having hot water preparation function and control method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104422196A (en) * 2013-09-11 2015-03-18 珠海格力电器股份有限公司 Air-conditioning hot water system
CN104422196B (en) * 2013-09-11 2016-08-17 珠海格力电器股份有限公司 Air-conditioning hot water system
CN103900288A (en) * 2014-04-04 2014-07-02 中交第二航务工程勘察设计院有限公司 Heat pump unit for harbor districts and control method thereof
CN103900288B (en) * 2014-04-04 2016-08-24 中交第二航务工程勘察设计院有限公司 A kind of port district source pump and control method thereof
WO2020098263A1 (en) * 2018-11-14 2020-05-22 青岛经济技术开发区海尔热水器有限公司 Heat pump system having hot water preparation function and control method

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