CN104596147B - Multiple on-line system - Google Patents
Multiple on-line system Download PDFInfo
- Publication number
- CN104596147B CN104596147B CN201510039616.4A CN201510039616A CN104596147B CN 104596147 B CN104596147 B CN 104596147B CN 201510039616 A CN201510039616 A CN 201510039616A CN 104596147 B CN104596147 B CN 104596147B
- Authority
- CN
- China
- Prior art keywords
- pipe
- low pressure
- module
- heat exchanger
- compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
Abstract
The invention discloses a kind of multiple on-line system, including indoor set system and outdoor machine system, the indoor set system includes multiple indoor sets, the outdoor machine system includes at least two modules, each module includes outdoor heat exchanger, compressor, liquid pipe, high-pressure air pipe and low pressure gas pipe, one end of the outdoor heat exchanger is connected by liquid pipe with the multiple indoor set, the other end of the outdoor heat exchanger is connected by the high-pressure air pipe with the compressor, one end of the low pressure gas pipe is connected with the multiple indoor set, the other end of the low pressure gas pipe is connected with the compressor, the multiple on-line system also includes high-pressure connecting pipe and low pressure communicating pipe, the high-pressure connecting pipe connects the high-pressure air pipe in all modules, the low pressure communicating pipe connects the suction end of the compressor in all modules.It substantially increases the utilization rate of outdoor heat exchanger, reduces the high pressure of system, improves the efficiency of complete machine.
Description
Technical field
The present invention relates to air-conditioner field, more particularly to a kind of multiple on-line system.
Background technology
Multiple on-line system refers to an outdoor unit while the sky of compressed air is provided for two or more indoor sets
Adjusting system.At present, for multiple on-line system in modularized design, the connecting tube between module typically only has tracheae, liquid pipe or oily
Pipe connects, and the running of module is relatively independent, and whether the heat exchanger of modules exchanges heat and only have with the compressor state of itself
Close.In multiple on-line system sub-load demand, only individual module is run, and other modules are in stopped status, cause to exchange heat
Device can not be utilized effectively, and complete machine operational energy efficiency is low.
The content of the invention
The invention provides a kind of multiple on-line system, can fully increase the utilization rate of heat exchanger, improve complete machine operation energy
Effect.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of multiple on-line system, including indoor set system and outdoor machine system, the indoor set system include multiple interiors
Machine, the outdoor machine system include at least two modules, and each module includes outdoor heat exchanger, compressor, liquid pipe, high pressure
Tracheae and low pressure gas pipe, one end of the outdoor heat exchanger are connected by liquid pipe with the multiple indoor set, the outdoor heat exchange
The other end of device is connected by the high-pressure air pipe with the compressor, one end of the low pressure gas pipe and the multiple indoor set
Connection, the other end of the low pressure gas pipe are connected with the compressor；
The multiple on-line system also includes high-pressure connecting pipe and low pressure communicating pipe, and the high-pressure connecting pipe connection is all described
High-pressure air pipe in module, the low pressure communicating pipe connect the suction end of the compressor in all modules.
In one of the embodiments, each module also includes outdoor tracheae flow control valve, the outdoor tracheae
Flow control valve is arranged on the high-pressure air pipe.
In one of the embodiments, each module also includes four-way valve；
First port of the four-way valve is connected with the exhaust end of the compressor, the second port of the four-way valve and institute
State outdoor heat exchanger connection；
The third connectivity mouth of the four-way valve is connected with the suction end of the compressor, the 4th port of the four-way valve and institute
State low pressure gas pipe connection.
In one of the embodiments, the outdoor tracheae flow control valve is arranged on the four-way valve and the outdoor is changed
On high-pressure air pipe between hot device.
In one of the embodiments, one end of the high-pressure connecting pipe is connected to the compressor and four of one of module
On high-pressure air pipe between port valve, the other end of the high-pressure connecting pipe be connected to another module compressor and four-way valve it
Between high-pressure air pipe on；
One end of the low pressure communicating pipe is connected to the suction end of the compressor of one of module, the low pressure communicating pipe
The other end be connected to another module compressor suction end.
In one of the embodiments, each module also includes low-voltage solenoid valve and high-pressure solenoid valve；
One end of the low-voltage solenoid valve is connected with the suction end of the compressor, the other end of the low-voltage solenoid valve with
The low pressure gas pipe connection；
One end of the high-pressure solenoid valve is connected with the low pressure gas pipe, the other end of the high-pressure solenoid valve and the height
Air pipe connects.
In one of the embodiments, the tracheae flow control valve is arranged on the high-pressure solenoid valve and the outdoor is changed
On high-pressure air pipe between hot device.
In one of the embodiments, each module also includes low pressure by-passing valve and low pressure bypass pipe；
The low pressure by-passing valve is arranged on the low pressure bypass pipe, one end of the low pressure bypass pipe and the outdoor gas
Between pipe flow control valve and the outdoor heat exchanger high-pressure air pipe connection, the other end of the low pressure bypass pipe with it is described low
Press communicating pipe connection.
In one of the embodiments, each indoor set includes indoor set heat exchanger and indoor electronic expansion valve；
One end of the indoor set heat exchanger is connected with the liquid pipe, the other end of the indoor heat exchanger and the low pressure
Tracheae connects；
The indoor electronic expansion valve is arranged in the liquid pipe of the indoor heat exchanger upstream.
In one of the embodiments, each indoor set also includes indoor tracheae flow control valve, the Indoor Air
Pipe flow control valve is arranged on the low pressure gas pipe in the indoor heat exchanger downstream.
In one of the embodiments, each module also includes outdoor electrical expansion valve, the outdoor electrical expansion
Valve is arranged in the liquid pipe in the outdoor heat exchanger downstream.
In one of the embodiments, each module also includes check valve, and the check valve is arranged on the compression
The exhaust end of machine.
Beneficial effects of the present invention are as follows：
The multiple on-line system of the present invention, is organically connected modules by high-pressure connecting pipe and low pressure communicating pipe
Connect, when refrigerating part workload demand only needs the compressor start of part of module to run, by high-pressure connecting pipe, can make to own
The outdoor heat exchanger of module both participates in heat exchange；When heating sub-load demand only needs the compressor start of part of module to run
When, by low pressure communicating pipe, the outdoor heat exchanger of all modules can be made to both participate in heat exchange, substantially increase the profit of outdoor heat exchanger
With rate, the high pressure of system is reduced, improves the efficiency of complete machine.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of multiple on-line system one of the present invention
Fig. 2 is the structural representation of another embodiment of multiple on-line system of the present invention.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Referring to Fig. 1 and Fig. 2, the invention provides a kind of multiple on-line system, the multiple on-line system includes indoor set system 200
With outdoor machine system 100, indoor set system 200 includes multiple indoor sets 210, and outdoor machine system 100 includes the He of the first module 110
Second module 120.
It should be noted that in other embodiments, outdoor machine system 100 can also include other modules.
Wherein, the first module 110 and the second module 120 include outdoor heat exchanger 116, compressor 111, liquid pipe 118, height
Air pipe 113 and low pressure gas pipe 119.Wherein, one end of outdoor heat exchanger 116 is connected by liquid pipe 118 and multiple indoor sets 210
Connect, the other end is connected by high-pressure air pipe 113 with compressor 111；One end of low pressure gas pipe 119 is connected with multiple indoor sets 210,
The other end is connected with compressor 111.
In addition, the multiple on-line system of the present invention also includes high-pressure connecting pipe 1111 and low pressure communicating pipe 1110, wherein, high pressure
Connect the high-pressure air pipe 113 in all modules (being the first module 110 and the second module 120 in this embodiment) communicating pipe 1111,
Connect the compressor 111 in all modules (being the first module 110 and the second module 120 in this embodiment) low pressure communicating pipe 1110
Suction end.
The multiple on-line system of the present invention, is had modules by high-pressure connecting pipe 1111 and low pressure communicating pipe 1110
The connection of machine, the outdoor heat exchanger 116 of all modules can be made to both participate in heat exchange, substantially increase the utilization of outdoor heat exchanger 116
Rate, the high pressure of system is reduced, improve the efficiency of complete machine.
With continued reference to Fig. 1 and Fig. 2, each indoor set 210 includes indoor set heat exchanger 212 and indoor electronic expansion valve 214,
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；Indoor electronic expands
Valve 214 is disposed in the interior in the liquid pipe 118 of the upstream of heat exchanger 212；Correspondingly, each module also includes outdoor electrical expansion valve
117, outdoor electrical expansion valve 117 is disposed in the outdoor in the liquid pipe 118 in the downstream of heat exchanger 116.Present embodiment, electric expansion valve
Can intelligentized control method circulation circuit in refrigerant flow, serve the effect of reducing pressure by regulating flow, add multiple on-line system
Safety in utilization.
It should be noted that heretofore described upstream and downstream is using the refrigeration mode of multiple on-line system as ginseng
According in refrigeration mode, the flow direction of refrigerant is downstream, otherwise is upstream.
It is preferred that each indoor set 210 also includes indoor tracheae flow control valve 216, indoor tracheae flow control valve 216
It is disposed in the interior on the low pressure gas pipe 119 in the downstream of heat exchanger 212.In heating mode, indoor tracheae flow control valve can be passed through
216 adjust the refrigerant flow of each indoor set 210, so as to meeting the needs of different indoor set 210.
Further, each module also includes check valve 112, and check valve 112 is arranged on the exhaust end of compressor 111.It is single
Presence to valve 112 prevents the refluence of refrigerant, improves the refrigerating efficiency of compressor 111, adds making for compressor 111
Use security.
It is preferred that as a kind of embodiment, each module also includes outdoor tracheae flow control valve 115, outdoor gas
Pipe flow control valve 115 is arranged on high-pressure air pipe 113.When system needs whole modules to run at full capacity, pass through regulation room
Outer tracheae flow control valve 115, can balanced modules exchange capability of heat, avoid because some module because Local Heat Transfer imitate
Fruit is poor and influences the heat exchange of other modules, meanwhile, also some module can be avoided to cause refrigerant due to the refrigerant of storing excess
The decline of internal circulating load, improve the operating efficiency of multiple on-line system.For example, the outdoor heat exchanger 116 in the first module 110 changes
Thermal effect is preferable, can be by adjusting in two modules when the heat transfer effect of outdoor heat exchanger 116 in the second module 120 is poor
Outdoor tracheae flow control valve 115, increase the first module 110 in outdoor electrical expansion valve 117 aperture so that the second module
Refrigerant in 120 is entered in the first module 110 by high-pressure connecting pipe 1111, so as to improve the work of multiple on-line system effect
Rate.
Referring to Fig. 1, as a kind of embodiment, each module also includes four-way valve 114, and the four-way valve 114 is by high pressure
Tracheae 113 divides for two parts；Wherein, the first port of four-way valve 114 is connected with the exhaust end of compressor 111, four-way valve 114
Second port is connected with outdoor heat exchanger 116；The third connectivity mouth of four-way valve 114 is connected with the suction end of compressor 111, four-way valve
114 the 4th port is connected with low pressure gas pipe 119.In the present embodiment, all parts are interconnected by four-way valve 114, connection
Mode is simple, is easily installed, and has saved the number of valve module, reduces cost, and can quickly realize refrigeration mode and heating
The conversion of pattern.
With continued reference to Fig. 1, outdoor tracheae flow control valve 115 is arranged between four-way valve 114 and outdoor heat exchanger 116
On high-pressure air pipe 113；One end of high-pressure connecting pipe 1111 be connected to one of module compressor 111 and four-way valve 114 it
Between high-pressure air pipe 113 on, the other end of high-pressure connecting pipe 1111 is connected to the compressor 111 and four-way valve of another module
On high-pressure air pipe 113 between 114；One end of low pressure communicating pipe 1110 is connected to the suction of the compressor 111 of one of module
Gas end, the other end of low pressure communicating pipe 1110 are connected to the suction end of the compressor 111 of another module.Which can ensure
Outdoor tracheae flow control valve 115, high-pressure connecting pipe 1111 and low pressure communicating pipe 1110 give full play to respective effect, with increase
The utilization rate of outdoor heat exchanger 116, and then improve the operating efficiency of multiple on-line system.
When refrigerating part workload demand only needs 111 startup optimization of compressor of part of module, pass through high-pressure connecting pipe
1111, the outdoor heat exchanger 116 of all modules can be made to both participate in heat exchange.For example, as shown in figure 1, in refrigeration mode, when only needing
When wanting 111 startup optimization of compressor in the first module 110, the trend of refrigerant is：Through the compressor in the first module 110
Refrigerant after 111 compressions is divided into two parts, the high-pressure air pipe 113 and four-way valve that part of refrigerant passes through the first module 110
114 enter the outdoor heat exchanger 116 of the first module 110, subsequently into the liquid pipe 118 of the first module 110, enter back into multiple rooms
Interior machine 210, then returned to by the low pressure gas pipe 119 of the first module 110 in the four-way valve 114 of the first module 110, eventually enter into
The suction end of the compressor 111 of first module 110；Another part refrigerant enters the second module by high-pressure connecting pipe 1111
120, is entered and the outdoor heat exchanger 116 of module 120 by the high-pressure air pipe 113 and four-way valve 114 of the second module 120,
Entered again by the liquid pipe 118 of the second module in multiple indoor sets 210, eventually through the low pressure gas pipe 119 of the first module 110
Return to the suction end of the compressor 111 of the first module 110；So as to realize that the first module 110 and the outdoor of the second module 120 are changed
Hot device 116 both participates in heat exchange.
When heating sub-load demand only needs 111 startup optimization of compressor of part of module, pass through low pressure communicating pipe
1110, the outdoor heat exchanger 116 of all modules can be made to both participate in heat exchange.For example, as shown in figure 1, in heating mode, when only needing
When wanting 111 startup optimization of compressor in the first module 110, the trend of refrigerant is：Through the compressor in the first module 110
Refrigerant after 111 compressions fully enters the high-pressure air pipe 113 of the first module 110, then passes through the four-way valve of the first module 110
114 enter the low pressure gas pipe 119 of the first module 110, enter back into multiple indoor sets 210；Changed in multiple indoor sets 210
Refrigerant after heat is divided into two parts, and part of refrigerant enters the first module 110 by the liquid pipe 118 of the first module 110
Outdoor heat exchanger 116 in exchange heat, the compressor of the first module 110 is entered eventually through the four-way valve 114 of the first module 110
111 suction end, another part refrigerant enter the outdoor heat exchanger of the second module by the liquid pipe 118 of the second module 120
116, then low pressure communicating pipe 1110 is entered by the four-way valve 114 of the first module 110, it is final to enter the first module 110 eventually
The suction end of compressor 111.
Referring to Fig. 2, as another 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, the other end of low-voltage solenoid valve 1112
It is connected with low pressure gas pipe 119；One end of high-pressure solenoid valve 1113 is connected with low pressure gas pipe 119, high-pressure solenoid valve 1113 it is another
End is connected with high-pressure air pipe 113.In sub-load demand, in refrigeration mode, the process of circulation of refrigerant is as follows：In the first mould
In block 110, high-pressure solenoid valve 1113 is closed, and low-voltage solenoid valve 1112 is opened, the part of refrigerant after the compression of compressor 111
Outdoor heat exchanger 116 is reached along high-pressure air pipe 113 to be exchanged heat, and subsequently into liquid pipe 118, indoor set 210 is flowed into, after heat exchange
Into low pressure gas pipe 119, the suction end of compressor 111 is returned to by low-voltage solenoid valve 1112；Meanwhile through the first module 110
Another part refrigerant after compressor 111 compresses is entered in the second module 120 along high-pressure connecting pipe 1111, by second
Outdoor heat exchanger 116 in module 120 is exchanged heat, and subsequently into the liquid pipe 118 of the second module 120, flows into indoor set 210,
Enter the low pressure gas pipe 119 of the first module 110 after heat exchange, reached eventually through the low-voltage solenoid valve 1112 in the first module 110
The suction end of the compressor 111 of first module 110.
In multiple on-line system shown in Fig. 2, outdoor tracheae flow control valve 115 is arranged on high-pressure solenoid valve 1113 and outdoor
On high-pressure air pipe 113 between heat exchanger 116.
With continued reference to Fig. 2, it is preferred that each module also includes 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 and outdoor tracheae flow control valve
High-pressure air pipe 113 between 115 and outdoor heat exchanger 116 connects, the other end and the low pressure communicating pipe of low pressure bypass pipe 1115
1110 connections.In which, low pressure by-passing valve 1114 can play a part of supplementing low pressure, reduce high-pressure so that
The operation of multiple on-line system is safer.
The multiple on-line system of the present invention, passes through high-pressure connecting pipe 1111, low pressure communicating pipe 1110, outdoor tracheae Flow-rate adjustment
The setting of valve 115 and indoor tracheae flow control valve 216, flexibly control indoor heat exchanger 212 and outdoor heat exchanger can be reached
116 heat exchange, and then the flow between complete machine efficiency, balanced each heat exchanger is improved, effectively distribute each heat exchanger
Exchange capability of heat, substantially increase the operating efficiency of multiple on-line system.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (12)
1. a kind of multiple on-line system, including indoor set system (200) and outdoor machine system (100), the indoor set system (200)
Including multiple indoor sets (210), the outdoor machine system (100) includes at least two modules, and each module includes outdoor
Heat exchanger (116), compressor (111), liquid pipe (118), high-pressure air pipe (113) and low pressure gas pipe (119), the outdoor heat exchanger
(116) one end is connected by liquid pipe (118) with the multiple indoor set (210), the other end of the outdoor heat exchanger (116)
Be connected by the high-pressure air pipe (113) with the compressor (111), one end of the low pressure gas pipe (119) with it is the multiple
Indoor set (210) is connected, and the other end of the low pressure gas pipe (119) is connected with the compressor (111), it is characterised in that
The multiple on-line system also includes high-pressure connecting pipe (1111) and low pressure communicating pipe (1110), the high-pressure connecting pipe
(1111) high-pressure air pipe (113) in all modules is connected, the low pressure communicating pipe (1110) connects all modules
In compressor (111) suction end.
2. multiple on-line system according to claim 1, it is characterised in that each module also includes outdoor tracheae flow
Regulating valve (115), the outdoor tracheae flow control valve (115) are arranged on the high-pressure air pipe (113).
3. multiple on-line system according to claim 2, it is characterised in that each module also includes four-way valve (114)；
First port of the four-way valve (114) is connected with the exhaust end of the compressor (111), the four-way valve (114)
Second port is connected with the outdoor heat exchanger (116)；
The third connectivity mouth of the four-way valve (114) is connected with the suction end of the compressor (111), the four-way valve (114)
4th port is connected with the low pressure gas pipe (119).
4. multiple on-line system according to claim 3, it is characterised in that the outdoor tracheae flow control valve (115) sets
Put on the high-pressure air pipe (113) between the four-way valve (114) and the outdoor heat exchanger (116).
5. multiple on-line system according to claim 3, it is characterised in that one end connection of the high-pressure connecting pipe (1111)
Wherein on the high-pressure air pipe (113) between the compressor (111) and four-way valve (114) of a module, the high-pressure connecting pipe
(1111) the other end is connected to the high-pressure air pipe (113) between the compressor (111) of another module and four-way valve (114)
On；
One end of the low pressure communicating pipe (1110) is connected to the suction end of the compressor (111) of one of module, described low
The other end of pressure communicating pipe (1110) is connected to the suction end of the compressor (111) of another module.
6. multiple on-line system according to claim 2, it is characterised in that each module also includes low-voltage solenoid valve
And high-pressure solenoid valve (1113) (1112)；
One end of the low-voltage solenoid valve (1112) is connected with the suction end of the compressor (111), the low-voltage solenoid valve
(1112) the other end is connected with the low pressure gas pipe (119)；
One end of the high-pressure solenoid valve (1113) is connected with the low pressure gas pipe (119), the high-pressure solenoid valve (1113)
The other end is connected with the high-pressure air pipe (113).
7. multiple on-line system according to claim 6, it is characterised in that the outdoor tracheae flow control valve (115) sets
Put on the high-pressure air pipe (113) between the high-pressure solenoid valve (1113) and the outdoor heat exchanger (116).
8. multiple on-line system according to claim 6, it is characterised in that each module also includes low pressure by-passing valve
And low pressure bypass pipe (1115) (1114)；
The low pressure by-passing valve (1114) is arranged on the low pressure bypass pipe (1115), and the one of the low pressure bypass pipe (1115)
End is connected with the high-pressure air pipe (113) between the outdoor tracheae flow control valve (115) and the outdoor heat exchanger (116),
The other end of the low pressure bypass pipe (1115) is connected with the low pressure communicating pipe (1110).
9. multiple on-line system according to claim 1, it is characterised in that each indoor set (210) includes indoor set
Heat exchanger (212) and indoor electronic expansion valve (214)；
One end of the indoor set heat exchanger (212) is connected with the liquid pipe (118), the indoor heat exchanger (212) it is another
End is connected with the low pressure gas pipe (119)；
The indoor electronic expansion valve (214) is arranged in the liquid pipe (118) of the indoor heat exchanger (212) upstream.
10. multiple on-line system according to claim 9, it is characterised in that each indoor set (210) also includes interior
Tracheae flow control valve (216), the indoor tracheae flow control valve (216) are arranged on the indoor heat exchanger (212) downstream
Low pressure gas pipe (119) on.
11. multiple on-line system according to claim 1, it is characterised in that it is swollen that each module also includes outdoor electrical
Swollen valve (117), the outdoor electrical expansion valve (117) are arranged in the liquid pipe (118) in the outdoor heat exchanger (116) downstream.
12. multiple on-line system according to claim 1, it is characterised in that each module also includes check valve
(112), the check valve (112) is arranged on the exhaust end of the compressor (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510039616.4A CN104596147B (en) | 2015-01-26 | 2015-01-26 | Multiple on-line system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510039616.4A CN104596147B (en) | 2015-01-26 | 2015-01-26 | Multiple on-line system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104596147A CN104596147A (en) | 2015-05-06 |
| CN104596147B true CN104596147B (en) | 2017-12-15 |
Family
ID=53122097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510039616.4A Active CN104596147B (en) | 2015-01-26 | 2015-01-26 | Multiple on-line system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104596147B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299840B (en) * | 2015-11-12 | 2019-01-22 | 广东美的暖通设备有限公司 | The fault detection method of multi-line system and its by-pass valve body |
| CN109539407A (en) * | 2018-11-19 | 2019-03-29 | 珠海格力电器股份有限公司 | Multi-line system and its control method |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU636726B2 (en) * | 1990-03-19 | 1993-05-06 | Mitsubishi Denki Kabushiki Kaisha | Air conditioning system |
| KR100447203B1 (en) * | 2002-08-22 | 2004-09-04 | 엘지전자 주식회사 | Multi-type air conditioner for cooling/heating the same time and method for controlling the same |
| JP2006125762A (en) * | 2004-10-29 | 2006-05-18 | Mitsubishi Heavy Ind Ltd | Indoor unit, air conditioning device comprising the same, and its operating method |
| CN2811820Y (en) * | 2005-06-23 | 2006-08-30 | 广东美的电器股份有限公司 | Outdoor unit of multi-module multi-coupling air conditioner system |
| JP4899489B2 (en) * | 2006-01-19 | 2012-03-21 | ダイキン工業株式会社 | Refrigeration equipment |
| CN2901184Y (en) * | 2006-04-25 | 2007-05-16 | 广东美的电器股份有限公司 | Multiple module multiple on-line air conditioner system air balance device |
| CN201014833Y (en) * | 2007-01-24 | 2008-01-30 | 劳特斯空调(江苏)有限公司 | Air source heat pump low temperature heat-production bypass system |
| CN101988717B (en) * | 2009-08-07 | 2012-11-28 | 珠海格力电器股份有限公司 | Modularized multi-connected set and balancing control method for refrigerating machine oil of modularized multi-connected set |
| EP2299207B1 (en) * | 2009-08-28 | 2017-11-15 | Sanyo Electric Co., Ltd. | Air conditioner |
| CN202303691U (en) * | 2011-10-27 | 2012-07-04 | 广东美的电器股份有限公司 | Outdoor unit of multi-connected unit of air conditioner |
| CN203385256U (en) * | 2013-06-17 | 2014-01-08 | 南京天加空调设备有限公司 | Multi-split air conditioner parallel connection module system for defrosting without shutdown |
| CN204478574U (en) * | 2015-01-26 | 2015-07-15 | 珠海格力电器股份有限公司 | multiple on-line system |
-
2015
- 2015-01-26 CN CN201510039616.4A patent/CN104596147B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104596147A (en) | 2015-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102288421B (en) | Variable-volume water chiller set test device | |
| CN106871479B (en) | Cold volume recovery type variable-capacity air source heat pump system | |
| CN202835949U (en) | Novel multiple on-line air conditioning system | |
| CN104596147B (en) | Multiple on-line system | |
| CN102734981B (en) | Air-source modular three-in-one air-conditioning hot water system | |
| CN105091392A (en) | Heat recovery multi-online system and control method thereof | |
| CN204478574U (en) | multiple on-line system | |
| CN207299006U (en) | A kind of electric heating pump drives residual neat recovering system | |
| CN203385150U (en) | DC (direct current) variable frequency multi-connected air conditioning unit suitable for cold region | |
| CN113803816A (en) | Water source VRF air conditioning system coupled with all-year cooling system and use method thereof | |
| CN209027153U (en) | A kind of oil separation device and the heat pump system with the oil separation device | |
| CN107062670B (en) | Double-channel variable-capacity heat exchanger | |
| CN110173910A (en) | A kind of Gas-supplying enthalpy-increasing refrigeration system and air conditioner | |
| CN110617591A (en) | Intelligent vortex injection energy-saving air conditioner | |
| CN112628886A (en) | Data center tail end secondary pump cooling system and using method thereof | |
| CN205279298U (en) | Air condensing units and air conditioner | |
| CN205448424U (en) | Flash vessel and air conditioning system | |
| CN216308025U (en) | Air conditioner outdoor unit of temperature and humidity independent control water system | |
| CN218328370U (en) | Heat pump system | |
| CN210688404U (en) | High-water-outlet-temperature combined unit | |
| CN219103366U (en) | Refrigerating system of compressed air station and compressed air station with refrigerating system | |
| CN220250181U (en) | Air conditioning unit and air conditioning system | |
| CN217209589U (en) | Outdoor unit and heat exchange equipment | |
| CN214949908U (en) | Heat pump system and air conditioner with same | |
| CN218442842U (en) | Heat pump system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |