CN104596147A - Multi-split system - Google Patents
Multi-split system Download PDFInfo
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- CN104596147A CN104596147A CN201510039616.4A CN201510039616A CN104596147A CN 104596147 A CN104596147 A CN 104596147A CN 201510039616 A CN201510039616 A CN 201510039616A CN 104596147 A CN104596147 A CN 104596147A
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- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 238000005457 optimization Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses a multi-split system which comprises an indoor unit system and an outdoor unit system, wherein the indoor unit system comprises a plurality of indoor units, the outdoor unit system comprises at least two modules, each module comprises an outdoor heat exchanger, a compressor, a liquid pipe, a high-pressure air pipe and a low-pressure air pipe, one end of the outdoor heat exchanger is connected with the indoor units through the liquid pipes, the other end of the outdoor heat exchanger is connected with the compressor through the high-pressure air pipes, one end of the low-pressure air pipes is connected with the indoor units, the other end of the low-pressure air pipes is connected with the compressor, the multi-split system further comprises high-pressure communicating pipes and low-pressure communicating pipes, the high-pressure communicating pipes are communicated with the high-pressure air pipes in all the modules, and the low-pressure communicating pipes are. The utilization rate of the outdoor heat exchanger is fully increased, the high pressure of the system is reduced, and the energy efficiency of the whole machine is improved.
Description
Technical field
The present invention relates to air-conditioner field, particularly relate to a kind of multiple on-line system.
Background technology
Multiple on-line system refers to an off-premises station simultaneously for two or more indoor sets provides compressed-air actuated air-conditioning system.At present, multiple on-line system is when modularized design, and the tube connector between module generally only has tracheae, liquid pipe or oil equalizing pipe to connect, and the running of module is relatively independent, and whether heat exchange is only relevant with the compressor state of self for the heat exchanger of modules.When multiple on-line system sub-load demand, only have individual module to run, other modules are in stopped status, and cause heat exchanger effectively to utilize, complete machine operational energy efficiency is low.
Summary of the invention
The invention provides a kind of multiple on-line system, fully can increase the utilization rate of heat exchanger, improve complete machine operational energy efficiency.
For achieving the above object, the present invention adopts following technical scheme:
A kind of multiple on-line system, comprise indoor set system and outdoor machine system, described indoor set system comprises multiple indoor set, described outdoor machine system comprises at least two modules, each described module comprises outdoor heat exchanger, compressor, liquid pipe, high-pressure air pipe and low pressure gas pipe, one end of described outdoor heat exchanger is connected with described multiple indoor set by liquid pipe, the other end of described outdoor heat exchanger is connected with described compressor by described high-pressure air pipe, one end of described low pressure gas pipe is connected with described multiple indoor set, the other end of described low pressure gas pipe is connected with described compressor,
Described multiple on-line system also comprises high-pressure connecting pipe and low-pressure continuous siphunculus, and described high-pressure connecting pipe is communicated with the high-pressure air pipe in all described modules, and described low-pressure continuous siphunculus is communicated with the suction end of the compressor in all described modules.
Wherein in an embodiment, each described module also comprises outdoor tracheae flow control valve, and described outdoor tracheae flow control valve is arranged on described high-pressure air pipe.
Wherein in an embodiment, each described module also comprises cross valve;
First port of described cross valve is connected with the exhaust end of described compressor, and the second port of described cross valve is connected with described outdoor heat exchanger;
The third connectivity mouth of described cross valve is connected with the suction end of described compressor, and the 4th port of described cross valve is connected with described low pressure gas pipe.
Wherein in an embodiment, described outdoor tracheae flow control valve is arranged on the high-pressure air pipe between described cross valve and described outdoor heat exchanger.
Wherein in an embodiment, one end of described high-pressure connecting pipe is connected on the high-pressure air pipe between the compressor of one of them module and cross valve, and the other end of described high-pressure connecting pipe is connected on the high-pressure air pipe between the compressor of another module and cross valve;
One end of described low-pressure continuous siphunculus is connected to the suction end of the compressor of one of them module, and the other end of described low-pressure continuous siphunculus is connected to the suction end of the compressor of another module.
Wherein in an embodiment, each described module also comprises low-voltage solenoid valve and high-pressure solenoid valve;
One end of described low-voltage solenoid valve is connected with the suction end of described compressor, and the other end of described low-voltage solenoid valve is connected with described low pressure gas pipe;
One end of described high-pressure solenoid valve is connected with described low pressure gas pipe, and the other end of described high-pressure solenoid valve is connected with described high-pressure air pipe.
Wherein in an embodiment, described tracheae flow control valve is arranged on the high-pressure air pipe between described high-pressure solenoid valve and described outdoor heat exchanger.
Wherein in an embodiment, each described module also comprises low pressure by-passing valve and low pressure bypass pipe;
Described low pressure by-passing valve is arranged on described low pressure bypass pipe, one end of described low pressure bypass pipe is connected with the high-pressure air pipe between described outdoor tracheae flow control valve and described outdoor heat exchanger, and the other end of described low pressure bypass pipe is connected with described low-pressure continuous siphunculus.
Wherein in an embodiment, each described indoor set comprises indoor set heat exchanger and indoor electronic expansion valve;
One end of described indoor set heat exchanger is connected with described liquid pipe, and the other end of described indoor heat exchanger is connected with described low pressure gas pipe;
Described indoor electronic expansion valve is arranged on the liquid pipe of described indoor heat exchanger upstream.
Wherein in an embodiment, each described indoor set also comprises indoor tracheae flow control valve, and described indoor tracheae flow control valve is arranged on the low pressure gas pipe in described indoor heat exchanger downstream.
Wherein in an embodiment, each described module also comprises outdoor electrical expansion valve, and described outdoor electrical expansion valve is arranged on the liquid pipe in described outdoor heat exchanger downstream.
Wherein in an embodiment, each described module also comprises check valve, and described check valve is arranged on the exhaust end of described compressor.
Beneficial effect of the present invention is as follows:
Multiple on-line system of the present invention, modules is organically connected with low-pressure continuous siphunculus by high-pressure connecting pipe, when refrigerating part workload demand only needs the compressor start of part of module to run, by high-pressure connecting pipe, the outdoor heat exchanger of all modules can be made all to participate in heat exchange; When heating sub-load demand and only needing the compressor start of part of module to run, by low-pressure continuous siphunculus, the outdoor heat exchanger of all modules can be made all to participate in heat exchange, substantially increase the utilization rate of outdoor heat exchanger, reduce the high pressure of system, improve the efficiency of complete machine.
Accompanying drawing explanation
Fig. 1 is the structural representation of multiple on-line system one embodiment of the present invention
Fig. 2 is the structural representation of another embodiment of multiple on-line system of the present invention.
Detailed description of the invention
Below the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
See Fig. 1 and Fig. 2, the invention provides a kind of multiple on-line system, this multiple on-line system comprises indoor set system 200 and outdoor machine system 100, and indoor set system 200 comprises multiple indoor set 210, and outdoor machine system 100 comprises the first module 110 and the second module 120.
It should be noted that, in other embodiments, outdoor machine system 100 can also comprise other modules.
Wherein, the first module 110 and the second module 120 include outdoor heat exchanger 116, compressor 111, liquid pipe 118, high-pressure air pipe 113 and low pressure gas pipe 119.Wherein, one end of outdoor heat exchanger 116 is connected with multiple indoor set 210 by liquid pipe 118, and the other end is connected with compressor 111 by high-pressure air pipe 113; One end of low pressure gas pipe 119 is connected with multiple indoor set 210, and the other end is connected with compressor 111.
In addition, multiple on-line system of the present invention also comprises high-pressure connecting pipe 1111 and low-pressure continuous siphunculus 1110, wherein, high-pressure connecting pipe 1111 is communicated with the high-pressure air pipe 113 in all modules (being the first module 110 and the second module 120 in this embodiment), and low-pressure continuous siphunculus 1110 is communicated with the suction end of the compressor 111 in all modules (being the first module 110 and the second module 120 in this embodiment).
Multiple on-line system of the present invention, modules is organically connected with low-pressure continuous siphunculus 1110 by high-pressure connecting pipe 1111, the outdoor heat exchanger 116 of all modules can be made all to participate in heat exchange, substantially increase the utilization rate of outdoor heat exchanger 116, reduce the high pressure of system, improve the efficiency of complete machine.
Continue see Fig. 1 and Fig. 2, each indoor set 210 comprises indoor set heat exchanger 212 and indoor electronic expansion valve 214, and wherein, one end of indoor set heat exchanger 212 is connected with liquid pipe 118, and the other end is connected with low pressure gas pipe 119; On the liquid pipe 118 of indoor electronic expansion valve 214 heat exchanger 212 disposed in the interior upstream; Correspondingly, each module also comprises outdoor electrical expansion valve 117, on the liquid pipe 118 in outdoor electrical expansion valve 117 heat exchanger 116 disposed in the outdoor downstream.Present embodiment, electric expansion valve can the flow of cold-producing medium in intelligentized control method circulation circuit, serves the effect of reducing pressure by regulating flow, adds the safety in utilization of multiple on-line system.
It should be noted that, the upstream and downstream described in the present invention is all with the refrigeration mode of multiple on-line system for reference, and in refrigeration mode, the flow direction of cold-producing medium is downstream, otherwise is upstream.
Preferably, each indoor set 210 also comprises indoor tracheae flow control valve 216, on the low pressure gas pipe 119 in indoor tracheae flow control valve 216 heat exchanger 212 disposed in the interior downstream.In heating mode, regulate the refrigerant flow of each indoor set 210 by indoor tracheae flow control valve 216, thus meet the demand of different indoor set 210.
Further, each module also comprises check valve 112, and check valve 112 is arranged on the exhaust end of compressor 111.The existence of check valve 112 prevents the refluence of cold-producing medium, improves the refrigerating efficiency of compressor 111, adds the safety in utilization of compressor 111.
Preferably, as a kind of embodiment, each module also comprises outdoor tracheae flow control valve 115, and outdoor tracheae flow control valve 115 is arranged on high-pressure air pipe 113.When system needs whole module to run at full capacity, by the outer tracheae flow control valve 115 of conditioning chamber, can the exchange capability of heat of balanced modules, avoid because certain module affects the heat exchange of other modules because of Local Heat Transfer weak effect, simultaneously, also certain module can be avoided due to the refrigerant of storing excess to cause the decline of refrigerant circulation, improve the operating efficiency of multiple on-line system.Such as, when outdoor heat exchanger 116 heat transfer effect in the first module 110 is better, when outdoor heat exchanger 116 heat transfer effect in second module 120 is poor, can by the outdoor tracheae flow control valve 115 in adjustment two modules, increase the aperture of outdoor electrical expansion valve 117 in the first module 110, make the refrigerant in the second module 120 enter into the first module 110 by high-pressure connecting pipe 1111, thus improve the operating efficiency of multiple on-line system.
See Fig. 1, as a kind of embodiment, each module also comprises cross valve 114, and high-pressure air pipe 113 is divided into two parts by this cross valve 114; Wherein, the first port of cross valve 114 is connected with the exhaust end of compressor 111, and the second port of cross valve 114 is connected with outdoor heat exchanger 116; The third connectivity mouth of cross valve 114 is connected with the suction end of compressor 111, and the 4th port of cross valve 114 is connected with low pressure gas pipe 119.In the present embodiment, all parts is interconnected by cross valve 114, and connected mode is simple, is convenient to install, has saved the number of valve module, reduced cost, and can realize the conversion of refrigeration mode and heating mode fast.
Continue see Fig. 1, outdoor tracheae flow control valve 115 is arranged on the high-pressure air pipe 113 between cross valve 114 and outdoor heat exchanger 116; One end of high-pressure connecting pipe 1111 is connected on the high-pressure air pipe 113 between the compressor 111 of one of them module and cross valve 114, and the other end of high-pressure connecting pipe 1111 is connected on the high-pressure air pipe 113 between the compressor 111 of another module and cross valve 114; One end of low-pressure continuous siphunculus 1110 is connected to the suction end of the compressor 111 of one of them module, and the other end of low-pressure continuous siphunculus 1110 is connected to the suction end of the compressor 111 of another module.Which can ensure that outdoor tracheae flow control valve 115, high-pressure connecting pipe 1111 and low-pressure continuous siphunculus 1110 give full play to respective effect, to increase the utilization rate of outdoor heat exchanger 116, and then improves the operating efficiency of multiple on-line system.
When refrigerating part workload demand only needs compressor 111 startup optimization of part of module, by high-pressure connecting pipe 1111, the outdoor heat exchanger 116 of all modules can be made all to participate in heat exchange.Such as, as shown in Figure 1, in refrigeration mode, when only needing compressor 111 startup optimization in the first module 110, the trend of cold-producing medium is: the cold-producing medium after the compressor 111 in the first module 110 compresses is divided into two parts, part of refrigerant enters into the outdoor heat exchanger 116 of the first module 110 by the high-pressure air pipe 113 of the first module 110 and cross valve 114, then the liquid pipe 118 of the first module 110 is entered, enter multiple indoor set 210 again, turned back to by the low pressure gas pipe 119 of the first module 110 again in the cross valve 114 of the first module 110, finally enter the suction end of the compressor 111 of the first module 110, another part cold-producing medium enters into the second module 120 by high-pressure connecting pipe 1111, is entered into and the outdoor heat exchanger 116 of module 120 by the high-pressure air pipe 113 of the second module 120 and cross valve 114, enter into multiple indoor set 210 by the liquid pipe 118 of the second module again, the low pressure gas pipe 119 eventually through the first module 110 turns back to the suction end of the compressor 111 of the first module 110, thus the outdoor heat exchanger 116 realizing the first module 110 and the second module 120 all participates in heat exchange.
When heating sub-load demand and only needing compressor 111 startup optimization of part of module, by low-pressure continuous siphunculus 1110, the outdoor heat exchanger 116 of all modules can be made all to participate in heat exchange.Such as, as shown in Figure 1, in heating mode, when only needing compressor 111 startup optimization in the first module 110, the trend of cold-producing medium is: the cold-producing medium after the compressor 111 in the first module 110 compresses all enters the high-pressure air pipe 113 of the first module 110, then entered into the low pressure gas pipe 119 of the first module 110 by the cross valve 114 of the first module 110, then enter into multiple indoor set 210; Cold-producing medium in multiple indoor set 210 after heat exchange is divided into two parts, part of refrigerant enters into outdoor heat exchanger 116 heat exchange of the first module 110 by the liquid pipe 118 of the first module 110, cross valve 114 eventually through the first module 110 enters into the suction end of the compressor 111 of the first module 110, another part cold-producing medium enters into the outdoor heat exchanger 116 of the second module by the liquid pipe 118 of the second module 120, low-pressure continuous siphunculus 1110 is entered again, the final suction end entering into the compressor 111 of the first module 110 eventually by the cross valve 114 of the first module 110.
See Fig. 2, as another kind of embodiment, each module includes low-voltage solenoid valve 1112 and high-pressure solenoid valve 1113, wherein, one end of low-voltage solenoid valve 1112 is connected with the suction end of compressor 111, and the other end of low-voltage solenoid valve 1112 is connected with low pressure gas pipe 119; One end of high-pressure solenoid valve 1113 is connected with low pressure gas pipe 119, and the other end of high-pressure solenoid valve 1113 is connected with high-pressure air pipe 113.When sub-load demand, in refrigeration mode, the process of circulation of cold-producing medium is as follows: in the first module 110, high-pressure solenoid valve 1113 is closed, and low-voltage solenoid valve 1112 is opened, and the part of refrigerant after compressor 111 compresses arrives outdoor heat exchanger 116 along high-pressure air pipe 113 and carries out heat exchange, then liquid-in pipe 118 is entered, flow into indoor set 210, enter low pressure gas pipe 119 after heat exchange, got back to the suction end of compressor 111 by low-voltage solenoid valve 1112; Simultaneously, another part cold-producing medium after the compressor 111 of the first module 110 compresses enters into the second module 120 along high-pressure connecting pipe 1111, outdoor heat exchanger 116 in the second module 120 carries out heat exchange, then the liquid pipe 118 of the second module 120 is entered, flow into indoor set 210, enter the low pressure gas pipe 119 of the first module 110 after heat exchange, arrive the suction end of the compressor 111 of the first module 110 eventually through the low-voltage solenoid valve 1112 in the first module 110.
In multiple on-line system shown in Fig. 2, outdoor tracheae flow control valve 115 is arranged on the high-pressure air pipe 113 between high-pressure solenoid valve 1113 and outdoor heat exchanger 116.
Continue see Fig. 2, preferably, each module also comprises low pressure by-passing valve 1114 and low pressure bypass pipe 1115.Wherein, low pressure by-passing valve 1114 is arranged on low pressure bypass pipe 1115, one end of low pressure bypass pipe 1115 is connected with the high-pressure air pipe 113 between outdoor tracheae flow control valve 115 and outdoor heat exchanger 116, and the other end of low pressure bypass pipe 1115 is connected with low-pressure continuous siphunculus 1110.In which, low pressure by-passing valve 1114 can play supplementary low pressure, reduce the effect of high-pressure, makes the operation of multiple on-line system safer.
Multiple on-line system of the present invention, by the setting of high-pressure connecting pipe 1111, low-pressure continuous siphunculus 1110, outdoor tracheae flow control valve 115 and indoor tracheae flow control valve 216, the exchange heat controlling indoor heat exchanger 212 and outdoor heat exchanger 116 flexibly can be reached, and then the flow improved between complete machine efficiency, each heat exchanger balanced, the exchange capability of heat of effective each heat exchanger of distribution, substantially increases the operating efficiency of multiple on-line system.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (12)
1. a multiple on-line system, comprise indoor set system (200) and outdoor machine system (100), described indoor set system (200) comprises multiple indoor set (210), described outdoor machine system (100) comprises at least two modules, each described module comprises outdoor heat exchanger (116), compressor (111), liquid pipe (118), high-pressure air pipe (113) and low pressure gas pipe (119), one end of described outdoor heat exchanger (116) is connected with described multiple indoor set (210) by liquid pipe (118), the other end of described outdoor heat exchanger (116) is connected with described compressor (111) by described high-pressure air pipe (113), one end of described low pressure gas pipe (119) is connected with described multiple indoor set (210), the other end of described low pressure gas pipe (119) is connected with described compressor (111), it is characterized in that,
Described multiple on-line system also comprises high-pressure connecting pipe (1111) and low-pressure continuous siphunculus (1110), described high-pressure connecting pipe (1111) is communicated with the high-pressure air pipe (113) in all described modules, and described low-pressure continuous siphunculus (1110) is communicated with the suction end of the compressor (111) in all described modules.
2. multiple on-line system according to claim 1, it is characterized in that, each described module also comprises outdoor tracheae flow control valve (115), and described outdoor tracheae flow control valve (115) is arranged on described high-pressure air pipe (113).
3. multiple on-line system according to claim 2, is characterized in that, each described module also comprises cross valve (114);
First port of described cross valve (114) is connected with the exhaust end of described compressor (111), and the second port of described cross valve (114) is connected with described outdoor heat exchanger (116);
The third connectivity mouth of described cross valve (114) is connected with the suction end of described compressor (111), and the 4th port of described cross valve (114) is connected with described low pressure gas pipe (119).
4. multiple on-line system according to claim 3, it is characterized in that, described outdoor tracheae flow control valve (115) is arranged on the high-pressure air pipe (113) between described cross valve (114) and described outdoor heat exchanger (116).
5. multiple on-line system according to claim 3, it is characterized in that, one end of described high-pressure connecting pipe (1111) is connected on the high-pressure air pipe (113) between the compressor (111) of one of them module and cross valve (114), and the other end of described high-pressure connecting pipe (1111) is connected on the high-pressure air pipe (113) between the compressor (111) of another module and cross valve (114);
One end of described low-pressure continuous siphunculus (1110) is connected to the suction end of the compressor (111) of one of them module, and the other end of described low-pressure continuous siphunculus (1110) is connected to the suction end of the compressor (111) of another module.
6. multiple on-line system according to claim 2, is characterized in that, each described module also comprises low-voltage solenoid valve (1112) and high-pressure solenoid valve (1113);
One end of described low-voltage solenoid valve (1112) is connected with the suction end of described compressor (111), and the other end of described low-voltage solenoid valve (1112) is connected with described low pressure gas pipe (119);
One end of described high-pressure solenoid valve (1113) is connected with described low pressure gas pipe (119), and the other end of described high-pressure solenoid valve (1113) is connected with described high-pressure air pipe (113).
7. multiple on-line system according to claim 6, it is characterized in that, described outdoor tracheae flow control valve (115) is arranged on the high-pressure air pipe (113) between described high-pressure solenoid valve (1113) and described outdoor heat exchanger (116).
8. multiple on-line system according to claim 6, is characterized in that, each described module also comprises low pressure by-passing valve (1114) and low pressure bypass pipe (1115);
Described low pressure by-passing valve (1114) is arranged on described low pressure bypass pipe (1115), one end of described low pressure bypass pipe (1115) is connected with the high-pressure air pipe (113) between described outdoor tracheae flow control valve (115) and described outdoor heat exchanger (116), and the other end of described low pressure bypass pipe (1115) is connected with described low-pressure continuous siphunculus (1110).
9. multiple on-line system according to claim 1, is characterized in that, each described indoor set (210) comprises indoor set heat exchanger (212) and indoor electronic expansion valve (214);
One end of described indoor set heat exchanger (212) is connected with described liquid pipe (118), and the other end of described indoor heat exchanger (212) is connected with described low pressure gas pipe (119);
Described indoor electronic expansion valve (214) is arranged on the liquid pipe (118) of described indoor heat exchanger (212) upstream.
10. multiple on-line system according to claim 9, it is characterized in that, each described indoor set (210) also comprises indoor tracheae flow control valve (216), and described indoor tracheae flow control valve (216) is arranged on the low pressure gas pipe (119) in described indoor heat exchanger (212) downstream.
11. multiple on-line system according to claim 1, it is characterized in that, each described module also comprises outdoor electrical expansion valve (117), and described outdoor electrical expansion valve (117) is arranged on the liquid pipe (118) in described outdoor heat exchanger (116) downstream.
12. multiple on-line system according to claim 1, is characterized in that, each described module also comprises check valve (112), and described check valve (112) is arranged on the exhaust end of described compressor (111).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510039616.4A CN104596147B (en) | 2015-01-26 | 2015-01-26 | Multi-split system |
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|---|---|---|---|
| CN201510039616.4A CN104596147B (en) | 2015-01-26 | 2015-01-26 | Multi-split system |
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| CN104596147A true CN104596147A (en) | 2015-05-06 |
| CN104596147B CN104596147B (en) | 2017-12-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299840A (en) * | 2015-11-12 | 2016-02-03 | 广东美的暖通设备有限公司 | Multi-connected air conditioner system and fault detecting method of bypass valve of multi-connected air conditioner system |
| CN109539407A (en) * | 2018-11-19 | 2019-03-29 | 珠海格力电器股份有限公司 | Multi-split system and control method thereof |
| CN113375235A (en) * | 2021-07-06 | 2021-09-10 | 青岛腾远设计事务所有限公司 | Multi-pipe system multi-split air conditioner outdoor unit |
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| CN109539407A (en) * | 2018-11-19 | 2019-03-29 | 珠海格力电器股份有限公司 | Multi-split system and control method thereof |
| CN113375235A (en) * | 2021-07-06 | 2021-09-10 | 青岛腾远设计事务所有限公司 | Multi-pipe system multi-split air conditioner outdoor unit |
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