CN214469434U - Multifunctional multi-split air conditioner system with double four-way valves - Google Patents
Multifunctional multi-split air conditioner system with double four-way valves Download PDFInfo
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- CN214469434U CN214469434U CN202023300651.2U CN202023300651U CN214469434U CN 214469434 U CN214469434 U CN 214469434U CN 202023300651 U CN202023300651 U CN 202023300651U CN 214469434 U CN214469434 U CN 214469434U
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Abstract
The utility model discloses a multifunctional multi-split system with double four-way valves, which comprises an outdoor unit, at least one group of hydraulic modules, at least one group of indoor modules, a liquid pipe, a high-low pressure gas pipe and a high-pressure gas pipe, wherein one end of the liquid pipe is connected with an outdoor heat exchanger, and the other end of the liquid pipe is respectively connected with the other end of the hydraulic heat exchanger of the hydraulic module and the other end of the indoor heat exchanger of the indoor module; one end of the high-pressure air pipe is connected between the four-way valve and the output end of the compressor in a bypass mode, and the other end of the high-pressure air pipe is connected with one end of the hydraulic heat exchanger of the hydraulic module; one end of the high-low pressure air pipe is connected with an interface E of the second four-way valve, and the other end of the high-low pressure air pipe is connected with one end of the hydraulic heat exchanger of the hydraulic module and one end of the indoor heat exchanger of the indoor module respectively, so that the hydraulic module can produce hot water or cold water while the indoor module is cooled, and the hydraulic module can produce hot water or cold water while the air conditioning system is heating.
Description
Technical Field
The utility model belongs to the technical field of the technique of many online air conditioning systems and specifically relates to indicate a multi-functional many online systems with two cross valves.
Background
In some places such as schools, hotels and the like, the air-conditioning refrigeration demand and the hot water demand exist in summer, and usually a set of air-conditioning system and a set of hot water system which are opposite to each other are purchased respectively and are not related to each other, so that the heat released by an outdoor unit is not recycled when an indoor unit of the air-conditioning system refrigerates, and the cold energy of the outdoor unit is not utilized when the hot water system heats water, so that the energy waste is caused.
In the existing multi-split air conditioning system, when an indoor unit refrigerates, an outdoor unit releases heat to the atmosphere, the heat is completely wasted in the atmosphere, and high temperature of surrounding air is easily caused, so that the refrigerating effect of the indoor unit is influenced. Secondly, the indoor unit adopts refrigerant condensation to release heat indoors, so that the user feels poor and uncomfortable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a function abundant, energy-conserving efficient have two cross valves's multi-functional multi-connected machine system.
In order to achieve the above object, the utility model provides a multi-functional multi-connected system with two cross valves, including off-premises station, at least a set of water conservancy module and at least a set of indoor module, wherein, the off-premises station includes compressor, first cross valve, second cross valve and outdoor heat exchanger, the output of compressor respectively with first cross valve D interface and second cross valve D interface connection, the input of compressor respectively with the S interface of first cross valve and second cross valve S interface connection, the E interface of first cross valve is through the S interface connection of throttle unit with the second cross valve, the C interface of second cross valve is through the S interface connection of throttle unit with first cross valve, the C interface of first cross valve is connected with outdoor heat exchanger; the hydraulic module also comprises a liquid pipe, a high-low pressure air pipe and a high-pressure air pipe, wherein one end of the liquid pipe is connected with the outdoor heat exchanger, and the other end of the liquid pipe is respectively connected with the other end of the hydraulic heat exchanger of the hydraulic module and the other end of the indoor heat exchanger of the indoor module; one end of the high-pressure air pipe is connected between the four-way valve and the output end of the compressor in a bypass mode, and the other end of the high-pressure air pipe is connected with one end of the hydraulic heat exchanger of the hydraulic module; one end of the high-low pressure air pipe is connected with an E interface of the second four-way valve, and the other end of the high-low pressure air pipe is respectively connected with one end of the hydraulic heat exchanger of the hydraulic module and one end of the indoor heat exchanger of the indoor module.
Further, the oil separator is arranged at the output end of the compressor.
Furthermore, the device also comprises a gas-liquid separator arranged at the input end of the compressor.
Furthermore, a first electronic expansion valve is arranged between the liquid pipe and each hydraulic heat exchanger and each indoor heat exchanger.
Further, the system comprises at least two compressors which are arranged in parallel.
Furthermore, one end of the liquid pipe close to the outdoor heat exchanger is provided with an outdoor unit electronic expansion valve.
Furthermore, a first electromagnetic valve is arranged between the high-pressure air pipe and any one hydraulic heat exchanger.
Furthermore, a second electromagnetic valve is arranged between the high-low pressure air pipe and any one hydraulic heat exchanger.
Further, the throttling unit is a capillary tube.
Furthermore, the high-low pressure air pipe is connected with one end of the hydraulic heat exchanger and the indoor heat exchanger through a branch pipe, and the liquid pipe is respectively connected with the hydraulic heat exchanger and the indoor heat exchanger through the branch pipe.
The utility model adopts the above technical scheme, its beneficial effect lies in: through making up and the two cross valves of cooperation with off-premises station, water conservancy module and indoor module to realized the effect that a set of equipment solved multinomial demand, especially when indoor module is refrigerated, water conservancy module can make hot water or cold water, perhaps when air conditioning system heats, water conservancy module can make hot water or cold water, and the function is abundant various, has reduced use cost effectively. Also has the characteristics of energy conservation, heat recovery, high efficiency and the like.
Drawings
Fig. 1 is a schematic diagram illustrating a connection configuration of a multi-split system.
The system comprises 100-outdoor unit, 200-hydraulic module, 300-indoor module, 1-compressor, 2-first four-way valve, 3-second four-way valve, 4-outdoor heat exchanger, 5-oil separator, 6-gas-liquid separator, 7-liquid pipe, 8-high-low pressure gas pipe, 9-high pressure gas pipe, 10-hydraulic heat exchanger, 11-indoor heat exchanger, 12-first electronic expansion valve, 13-first solenoid valve and 14-second solenoid valve.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1, in the present embodiment, a multi-split air conditioner includes an outdoor unit 100, at least one group of hydraulic modules 200, and at least one group of indoor modules 300, and for convenience of explanation of the present embodiment, two groups of hydraulic modules 200 arranged in parallel and three groups of indoor modules 300 arranged in parallel are defined herein.
In the present embodiment, the outdoor unit 100 includes a compressor 1, a first four-way valve 2, a second four-way valve 3, an outdoor heat exchanger 4, an oil separator 5, and a gas-liquid separator 6, wherein each of the first four-way valve 2 and the second four-way valve 3 includes C, D, E, S four ports. The output end of the compressor 1 is respectively connected with a D interface of the first four-way valve 2 and a D interface of the second four-way valve 3 through an oil separator 5, the input end of the compressor 1 is connected with an S interface of the first four-way valve 2 and an S interface of the second four-way valve 3 through a gas-liquid separator 6, a C interface of the first four-way valve 2 is connected with one end of an outdoor heat exchanger 4, and an E interface of the first four-way valve 2 is connected with a C interface of the second four-way valve connected with the S interface of the second four-way valve 3 through a throttling unit and is connected with the S interface of the first four-way valve 2 through a throttling unit.
Further, when the first four-way valve 2 is powered down, the interface D is communicated with the interface C, the interface E is communicated with the end S, and when the first four-way valve 2 is powered on, the interface D is communicated with the interface E.
Further, when the second four-way valve 3 is powered off, the D interface is conducted with the C interface, the E interface is conducted with the S interface, and due to the fact that the C interface is connected through the capillary tube, actually, the refrigerant throughput is little, namely, no refrigerant passes through from the D interface to the C end. When the second four-way valve 3 is powered on, the D interface is communicated with the E interface, and the C interface is communicated with the S interface.
Further, in order to ensure that the compressors 1 have sufficient output power in the multi-split air conditioner, at least two compressors 1 may be provided in parallel, so that the compressors 1 are started as required.
In the present embodiment, each hydro module 200 includes a hydro heat exchanger 10. Each indoor module 300 includes an indoor heat exchanger 11. The device also comprises a liquid pipe 7, a high-low pressure air pipe 8 and a high-pressure air pipe 9, wherein an E interface of the second four-way valve 3 is connected with one end of the high-low pressure air pipe 8, and the other end of the high-low pressure air pipe 8 is respectively connected with one end of a hydraulic heat exchanger 10 and one end of an indoor heat exchanger 11 through a branch pipe. One end of the liquid pipe 7 is connected with the outdoor heat exchanger 4, and the other end of the liquid pipe 7 is respectively connected with the other end of the hydraulic heat exchanger 10 and the other end of the indoor heat exchanger 11. One end of the high-pressure air pipe 9 is connected between the four-way valve and the output end of the compressor 1 in a bypass mode, and the other end of the high-pressure air pipe 9 is connected with one end of the hydraulic heat exchanger 10.
Furthermore, electronic expansion valves are arranged between the liquid pipe 7 and each hydraulic heat exchanger 10 and each indoor heat exchanger 11.
Further, in this embodiment, an electronic expansion valve 100 of the outdoor unit is disposed at one end of the liquid pipe 7 adjacent to the heat exchanger, wherein a first electromagnetic valve 13 is disposed between the high-pressure air pipe 9 and any one of the hydraulic heat exchangers 10, and a second electromagnetic valve 14 is disposed between the high-pressure air pipe 8 and any one of the hydraulic heat exchangers 10, and the opening and closing of the first electromagnetic valve 13 and the second electromagnetic valve 14 are correspondingly switched according to the operation mode requirement of the multi-split air-conditioning system.
Further, the high-low pressure air pipe 8 is connected with one end of the hydraulic heat exchanger 10 and the indoor heat exchanger 11 through a branch pipe, and the liquid pipe 7 is respectively connected with the hydraulic heat exchanger 10 and the indoor heat exchanger 11 through the branch pipe.
Specifically, the multi-split air conditioner comprises the following operation modules:
1) only the indoor module 300 operates in the cooling mode: at this time, the first four-way valve 2 is powered off, the second four-way valve 3 is powered off, the first electronic expansion valves 12 of all the hydraulic modules 200 are closed, the first electromagnetic valve 13 and the second electromagnetic valve 14 are both closed, the outdoor heat exchanger 4 serves as a condenser, and the indoor heat exchanger 11 serves as an evaporator. At this time, the high-temperature and high-pressure refrigerant discharged from the compressor 1 enters the outdoor heat exchanger 4 through the oil separator 5 and the first four-way valve 2 to be condensed, then enters the indoor heat exchanger 11 to be evaporated after being throttled by the liquid pipe 7 and the first electronic expansion valve 12 of the indoor heat exchanger 11, then flows back to the compressor 1 through the high-low pressure gas pipe 8, the four-way valve and the gas-liquid separator 6, and repeatedly circulates the flow path. The low-pressure gas refrigerant flows through the high-pressure gas pipe 8.
2) Only the indoor module 300 operates as a heating module: at this time, the first four-way valve 2 and the second four-way valve 3 are powered on, the first electronic expansion valves 12 of all the hydraulic modules 200 are closed, the first electromagnetic valve 13 and the second electromagnetic valve 14 are both closed, the outdoor heat exchanger 4 serves as an evaporator, and the indoor heat exchanger 11 serves as a condenser. At this time, the high-temperature and high-pressure refrigerant discharged from the compressor 1 enters the indoor heat exchanger 11 through the oil separator 5, the four-way valve and the high-low pressure air pipe 8 to be condensed, is throttled by the first electronic expansion valve 12 of the indoor heat exchanger 11, enters the indoor heat exchanger 11 through the liquid pipe 7 to be evaporated, then flows back to the compressor 1 through the four-way valve and the gas-liquid separator 6, and repeatedly circulates through the flow path. The high-pressure gas refrigerant flows through the high-pressure gas pipe 8.
3) The indoor module 300 operates in a cooling mode and the hydro module 200 operates in a heating water mode (heat recovery in this case): the appropriate mode can be selected correspondingly according to the refrigerating demand of the multi-connected air conditioner, wherein when the refrigerating demand of the multi-connected air conditioner is large, the following modes can be adopted when the hot water demand is small: at this time, the first four-way valve 2 and the second four-way valve 3 are powered off, the first electronic expansion valve 12 of the hydro module 200 is opened, the first solenoid valve 13 is opened, the second solenoid valve 14 is closed, the outdoor heat exchanger 4 serves as a condenser, the indoor heat exchanger 11 serves as an evaporator, and the hydro heat exchanger 10 serves as a condenser. At this time, the high-temperature and high-pressure refrigerant discharged from the compressor 1 is divided into two parts after passing through the oil separator 5, one part of the refrigerant enters the outdoor heat exchanger 4 through the first four-way valve 2 to be condensed and then enters the liquid pipe 7, the other part of the high-temperature and high-pressure refrigerant enters the hydraulic heat exchanger 10 through the high-pressure air pipe 9 to be condensed and released heat, the refrigerant is throttled by the first electronic expansion valve 12 of the hydraulic heat exchanger 10 and then enters the liquid pipe 7, the two parts of the refrigerant are mixed in the liquid pipe 7 and then enter the indoor heat exchanger 11 to be evaporated, and then the refrigerant flows back to the compressor 1 through the high-low pressure air pipe 8, the second four-way valve 3 and the gas-liquid separator 6 to repeatedly circulate the flow path. The low-pressure gas refrigerant flows through the high-pressure gas pipe 8.
When the multi-split air conditioner has small refrigerating demand and large heating water demand, the following modes can be adopted: at this time, the first four-way valve 2 is powered on and the second four-way valve 3 is powered off, the first electronic expansion valve 12 of the hydraulic module 200 is opened, the first electromagnetic valve 13 is opened, the second electromagnetic valve 14 is closed, the outdoor heat exchanger 4 serves as an evaporator, the indoor heat exchanger 11 serves as an evaporator, and the hydraulic heat exchanger 10 serves as a condenser. At the moment, high-temperature and high-pressure refrigerant discharged by the compressor 1 enters the hydraulic heat exchanger 10 through the oil separator 5 and the high-pressure air pipe 9 to be condensed and released heat, then is throttled by the first electronic expansion valve 12 of the hydraulic heat exchanger 10 and then is divided into two parts through the liquid inlet pipe 7, a part of the refrigerant enters the indoor heat exchanger 11 to be evaporated and then flows back to the compressor 1 along the high-pressure and low-pressure air pipe 8, the second four-way valve 3 and the gas-liquid separator 6, and the other part of the refrigerant enters the outdoor heat exchanger 4 to be evaporated and absorbed heat and then flows back to the compressor 1 through the first four-way valve 2 and the gas-liquid separator 6, and the flow paths are repeatedly circulated. The refrigerant flowing through the high-low pressure gas pipe 8 is a low-pressure gaseous refrigerant.
4) The indoor module 300 operates in a heating mode and the hydro module 200 operates in heating water: at this time, the first four-way valve 2 and the second four-way valve 3 are energized, the first electronic expansion valve 12 of the hydro module 200 is opened, the first solenoid valve 13 is opened, the second solenoid valve 14 is closed, the outdoor heat exchanger 4 serves as an evaporator, the indoor heat exchanger 11 serves as a condenser, and the hydro heat exchanger 10 serves as a condenser. At the moment, a high-temperature and high-pressure refrigerant discharged by the compressor 1 passes through the oil separator 5 and is divided into two parts, one part of the refrigerant enters the hydraulic heat exchanger 10 through the high-pressure air pipe 9 to be condensed and release heat, then is throttled by the first electronic expansion valve 12 of the hydraulic heat exchanger 10 and enters the liquid inlet pipe 7, the other part of the refrigerant enters the indoor heat exchanger 11 through the second four-way valve 3 and the high-low pressure air pipe 8 to be condensed and enters the liquid inlet pipe 7, the two parts of the refrigerant are converged and mixed and flow into the outdoor heat exchanger 4 through the liquid inlet pipe 7 to be evaporated, and then the first refrigerant flows back to the compressor 1 through the four-way valve and the gas-liquid separator 6 to repeatedly circulate the flow paths. The high-pressure gas refrigerant flows through the high-pressure gas pipe 8.
5) Only the hydro module 200 operates with hot water production: at this time, the first four-way valve 2 is powered on, the second four-way valve 3 is powered off, the first electronic expansion valve 12 of the indoor heat exchanger 11 is closed, the first electronic expansion valve 12 of the hydraulic heat exchanger 10 is opened, the first electromagnetic valve 13 is opened, the second electromagnetic valve 14 is closed, the outdoor heat exchanger 4 serves as an evaporator, the indoor heat exchanger 11 does not work, and the hydraulic heat exchanger 10 serves as a condenser. At the moment, a high-temperature and high-pressure refrigerant discharged by the compressor 1 enters the hydraulic heat exchanger 10 through the high-pressure air pipe 9 to be condensed and released, then is throttled by the first electronic expansion valve 12 of the hydraulic heat exchanger 10, enters the outdoor heat exchanger 4 through the liquid pipe 7 to be evaporated, and then flows back to the compressor 1 through the first four-way valve 2 and the gas-liquid separator 6, and the circulating flow path is repeated. The high-low pressure gas pipe 8 is a high-pressure gaseous refrigerant.
6) The indoor module 300 operates with cooling and the hydro module 200 operates with cooling water: at this time, the first four-way valve 2 and the second four-way valve 3 are powered off, the first electronic expansion valve 12 of the indoor heat exchanger 11 is closed, the first electronic expansion valve 12 of the hydro heat exchanger 10 is opened, the first electromagnetic valve 13 is closed, the second electromagnetic valve 14 is opened, the outdoor heat exchanger 4 serves as a condenser, the indoor heat exchanger 11 serves as an evaporator, and the hydro heat exchanger 10 serves as an evaporator. At this time, the high-temperature and high-pressure refrigerant discharged from the compressor 1 enters the outdoor heat exchanger 4 through the oil separator 5 and the first four-way valve 2 to be condensed, then is divided into two parts through the liquid pipe 7 to respectively enter the indoor heat exchanger 11 and the hydraulic heat exchanger 10 to be evaporated, and then respectively enters the high-pressure and low-pressure gas pipe 8, the four-way valve and the gas-liquid separator 6 to flow back to the compressor 1, and the circulation flow path is repeated. The high-low pressure gas pipe 8 is a low-pressure gaseous refrigerant.
7) Only the hydro module 200 is running with chilled water: at this time, the first four-way valve 2 and the second four-way valve 3 are powered off, the first electronic expansion valve 12 of the indoor heat exchanger 11 is closed, the first electronic expansion valve 12 of the hydraulic heat exchanger 10 is opened, the first electromagnetic valve 13 is closed, the second electromagnetic valve 14 is opened, the outdoor heat exchanger 4 serves as a condenser, the indoor heat exchanger 11 does not work, and the hydraulic heat exchanger 10 serves as an evaporator. At this time, the high-temperature and high-pressure refrigerant discharged from the compressor 1 enters the outdoor heat exchanger 4 through the oil separator 5 and the first four-way valve 2 to be condensed, then enters the hydraulic heat exchanger 10 through the liquid pipe 7 to be evaporated, and then flows back to the compressor 1 through the high-low pressure gas pipe 8, the second four-way valve 3 and the gas-liquid separator 6 to repeatedly circulate the flow path. The high-low pressure gas pipe 8 is a low-pressure gaseous refrigerant.
Based on each operation module, the multi-split air conditioner can selectively produce hot water and cold water according to the requirement while refrigerating, so that the energy-saving effect is achieved, and the multi-split air conditioner has the characteristic of rich functions.
The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make many changes, modifications, and equivalents of the embodiments of the invention without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.
Claims (10)
1. A multifunctional multi-split air-conditioning system with two four-way valves, comprising an outdoor unit (100), at least one set of hydraulic modules (200) and at least one set of indoor modules (300), wherein the outdoor unit (100) comprises a compressor (1), a first four-way valve (2), a second four-way valve (3) and an outdoor heat exchanger (4), characterized in that: the output end of the compressor (1) is respectively connected with a D interface of a first four-way valve (2) and a D interface of a second four-way valve (3), the input end of the compressor (1) is respectively connected with an S interface of the first four-way valve (2) and an S interface of the second four-way valve (3), an E interface of the first four-way valve (2) is connected with the S interface of the second four-way valve (3) through a throttling unit, a C interface of the second four-way valve (3) is connected with the S interface of the first four-way valve (2) through a throttling unit, and a C interface of the first four-way valve (2) is connected with an outdoor heat exchanger (4); the device is characterized by further comprising a liquid pipe (7), a high-low pressure air pipe (8) and a high-pressure air pipe (9), wherein one end of the liquid pipe (7) is connected with the outdoor heat exchanger (4), and the other end of the liquid pipe (7) is respectively connected with the other end of the hydraulic heat exchanger (10) of each group of hydraulic modules (200) and the other end of the indoor heat exchanger (11) of each group of indoor modules (300); one end of the high-pressure air pipe (9) is connected between the four-way valve and the output end of the compressor (1) in a bypass mode, and the other end of the high-pressure air pipe (9) is connected with one end of each group of hydraulic heat exchangers (10) of the hydraulic modules (200); one end of the high-low pressure air pipe (8) is connected with an E interface of the second four-way valve (3), and the other end of the high-low pressure air pipe (8) is respectively connected with one end of a hydraulic heat exchanger (10) of each group of hydraulic modules (200) and one end of an indoor heat exchanger (11) of each group of indoor modules (300).
2. The multifunctional multi-split air conditioner system with two four-way valves as claimed in claim 1, wherein: the oil separator also comprises an oil separator (5) arranged at the output end of the compressor (1).
3. The multifunctional multi-split air conditioner system with two four-way valves as claimed in claim 1, wherein: the compressor also comprises a gas-liquid separator (6) arranged at the input end of the compressor (1).
4. The multifunctional multi-split air conditioner system with two four-way valves as claimed in claim 1, wherein: first electronic expansion valves (12) are arranged between the liquid pipe (7) and each hydraulic heat exchanger (10) and each indoor heat exchanger (11).
5. The multifunctional multi-split air conditioner system with two four-way valves as claimed in claim 1, wherein: comprises at least two compressors (1) which are arranged in parallel.
6. The multifunctional multi-split air conditioner system with two four-way valves as claimed in claim 1, wherein: and one end of the liquid pipe (7) close to the outdoor heat exchanger (4) is provided with an outdoor unit (100) electronic expansion valve.
7. The multifunctional multi-split air conditioner system with two four-way valves as claimed in claim 1, wherein: a first electromagnetic valve (13) is arranged between the high-pressure air pipe (9) and any one hydraulic heat exchanger (10).
8. The multifunctional multi-split air conditioner system with two four-way valves as claimed in claim 1, wherein: and a second electromagnetic valve (14) is arranged between the high-low pressure air pipe (8) and any one hydraulic heat exchanger (10).
9. The multifunctional multi-split air conditioner system with two four-way valves as claimed in claim 1, wherein: the throttling unit is a capillary tube.
10. The multifunctional multi-split air conditioner system with two four-way valves as claimed in claim 1, wherein: the high-pressure air pipe (8) and the low-pressure air pipe (7) are connected with one end of the hydraulic heat exchanger (10) and the indoor heat exchanger (11) through a branch pipe, and the liquid pipe (7) is connected with the hydraulic heat exchanger (10) and the indoor heat exchanger (11) through the branch pipe respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023300651.2U CN214469434U (en) | 2020-12-31 | 2020-12-31 | Multifunctional multi-split air conditioner system with double four-way valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023300651.2U CN214469434U (en) | 2020-12-31 | 2020-12-31 | Multifunctional multi-split air conditioner system with double four-way valves |
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| CN214469434U true CN214469434U (en) | 2021-10-22 |
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| CN202023300651.2U Active CN214469434U (en) | 2020-12-31 | 2020-12-31 | Multifunctional multi-split air conditioner system with double four-way valves |
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| CN (1) | CN214469434U (en) |
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