CN205227903U - Three -tube air conditioning system - Google Patents
Three -tube air conditioning system Download PDFInfo
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- CN205227903U CN205227903U CN201520917712.XU CN201520917712U CN205227903U CN 205227903 U CN205227903 U CN 205227903U CN 201520917712 U CN201520917712 U CN 201520917712U CN 205227903 U CN205227903 U CN 205227903U
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- valve
- cross valve
- closure member
- heat exchanger
- conditioning systems
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Abstract
The utility model discloses a three -tube air conditioning system, three -tube air conditioning system include the off -premises station with be used for with the high -pressure liquid pipe that off -premises station and two at least indoor sets are connected, low air pipe and high air pipe, a serial communication port, the last control valve that is equipped with control refrigerant circulation direction of high -pressurepipe is followed in order to prohibit the refrigerant high -pressurepipe flows in low air pipe. The utility model discloses three -tube air conditioning system's noise has been reduced.
Description
Technical field
The utility model relates to air-conditioning technical field, particularly relates to three control air-conditioning systems.
Background technology
As everyone knows, in three traditional control air-conditioning systems (as shown in Figure 1), be provided with for controlling the high-pressure liquid tube 30, low pressure gas pipe 40 and the high-pressure air pipe 50 that are connected with at least two indoor sets 20 by off-premises station 10 in off-premises station 10, this high-pressure liquid tube 30, low pressure gas pipe 40 are connected with each indoor set 20 by a conversion equipment 70 with high-pressure air pipe 50, thus can ensure that each indoor set 20 can separate refrigeration or heating operation.But due in the process of refrigerating operaton, refrigerant will flow in low pressure gas pipe 40 and high-pressure air pipe 50 by the magnetic valve A in conversion equipment 70 and magnetic valve B simultaneously respectively, now because magnetic valve B is in the state of refrigerant reverse circulated, therefore make the noise of system larger.
Utility model content
Main purpose of the present utility model is to provide a kind of three control air-conditioning systems, is intended to the noise of reduction by three control air-conditioning system.
To achieve these goals, the utility model provides a kind of three control air-conditioning systems, described three control air-conditioning systems comprise off-premises station and the high-pressure liquid tube for being connected with at least two indoor sets by described off-premises station, low pressure gas pipe and high-pressure air pipe, described high-pressure air pipe is provided with the control valve controlling refrigerant circulating direction, to forbid that refrigerant flows into described low pressure gas pipe from described high-pressure air pipe.
Preferably, described control valve comprises and is serially connected with magnetic valve on described high-pressure air pipe or check valve.
Preferably, described control valve comprises the check valve be serially connected with on described high-pressure air pipe and the magnetic valve being parallel to described check valve two ends.
Preferably, described off-premises station comprises the first outdoor heat exchanger, the second outdoor heat exchanger, compressor, oil-liquid separator, low pressure tank, the first cross valve, the second cross valve, the 3rd cross valve, the first closure member, the second closure member and the 3rd closure member, wherein
Described first outdoor heat exchanger is connected by the first cross valve and the second four-way valve connection in parallel with the second outdoor heat exchanger; The exhaust end of described first cross valve, the exhaust end of the second cross valve are all connected with described compressor exhaust pipe by described oil-liquid separator with the exhaust end of the 3rd cross valve;
The condensation end of described first cross valve is connected with the first port of described first outdoor heat exchanger, the condensation end of described second cross valve is connected with the first port of described second outdoor heat exchanger, and the condensation end of described 3rd cross valve is connected by the suction end of described 3rd closure member with described 3rd cross valve;
The suction end of described first cross valve, the suction end of the second cross valve are all connected with described compressor return air pipe by described low pressure tank with the suction end of the 3rd cross valve;
The evaporation ends of described first cross valve is connected with the exhaust end of described first cross valve by the first closure member, the evaporation ends of described second cross valve is connected with the exhaust end of described second cross valve by the second closure member, and the evaporation ends of described 3rd cross valve is connected with described high-pressure air pipe;
Described high-pressure liquid tube is connected with the second port of described first outdoor heat exchanger respectively by pipeline and the second port of the second outdoor heat exchanger connects; Described low pressure gas pipe is connected with the suction end of described 3rd cross valve.
Preferably, described first closure member is electric expansion valve, magnetic valve or the capillary with refrigerant break-in facility.
Preferably, described second closure member is electric expansion valve, magnetic valve or the capillary with refrigerant break-in facility.
Preferably, described 3rd closure member is electric expansion valve, magnetic valve or the capillary with refrigerant break-in facility.
Preferably, described compressor comprises at least two compressors parallel with one another.
Preferably, described three control air-conditioning systems also comprise at least two indoor sets and control described high-pressure liquid tube, low pressure gas pipe and high-pressure air pipe respectively with the conversion equipment of each indoor set connection status.
The utility model embodiment controls the control valve of refrigerant circulating direction by being provided with on high-pressure air pipe, to forbid that refrigerant flows into described low pressure gas pipe from described high-pressure air pipe.Thus effectively can prevent magnetic valve refrigerant reverse circulated in conversion equipment, reduce the noise of three control air-conditioning systems.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, the structure according to these accompanying drawings can also obtain other accompanying drawing.
Fig. 1 is the system architecture schematic diagram of traditional three control air-conditioning systems;
Fig. 2 is the system architecture schematic diagram of the utility model three control air-conditioning system first embodiment;
Fig. 3 is the system architecture schematic diagram of the utility model three control air-conditioning system second embodiment.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 10 | Off-premises station | 103 | Compressor |
| 20 | Indoor set | 104 | Oil-liquid separator |
| 30 | High-pressure liquid tube | 105 | Low pressure tank |
| 40 | Low pressure gas pipe | 106 | First cross valve |
| 50 | High-pressure air pipe | 107 | Second cross valve |
| 60 | Control valve | 108 | 3rd cross valve |
| 70 | Conversion equipment | 109 | First closure member |
| 101 | First outdoor heat exchanger | 110 | Second closure member |
| 102 | Second outdoor heat exchanger | 111 | 3rd closure member |
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Need explanation, all directionality instruction (such as up, down, left, right, before and afters in the utility model embodiment ...) only for explaining the relative position relation, motion conditions etc. under a certain particular pose (as shown in drawings) between each parts, if when this particular pose changes, then directionality instruction also correspondingly changes thereupon.
In addition, in the utility model, relate to the description of " first ", " second " etc. only for describing object, and instruction can not be interpreted as or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In addition; technical scheme between each embodiment can be combined with each other; but must be can be embodied as basis with those of ordinary skill in the art; when technical scheme combination occur conflicting maybe cannot realize time will be understood that the combination of this technical scheme does not exist, also not the utility model require protection domain within.
The utility model provides a kind of three control air-conditioning systems, with reference to Fig. 2 and Fig. 3, in one embodiment, this three control air-conditioning system comprises off-premises station 10 and the high-pressure liquid tube 30 for being connected with at least two indoor sets 20 by described off-premises station 10, low pressure gas pipe 40 and high-pressure air pipe 50, described high-pressure air pipe 50 is provided with the control valve 60 controlling refrigerant circulating direction, to forbid that refrigerant flows into described low pressure gas pipe 40 from described high-pressure air pipe 50.
The three control air-conditioning systems that the utility model provides are the air-conditioning system adopting three control to connect in multiple on-line system, particularly, multiple on-line system can be drag many or drag many air-conditioning systems more, namely can be run by an off-premises station driving plurality indoor set, also can be that multiple stage off-premises station driving plurality indoor set runs.Below the scheme run with an off-premises station driving plurality indoor set is described in detail.
Be understandable that, the structure of above-mentioned control valve can be arranged according to actual needs, and such as, in the present embodiment, above-mentioned control valve 60 comprises and is serially connected with magnetic valve on described high-pressure air pipe or check valve.In actual applications, above-mentioned three control air-conditioning systems also comprise at least two indoor sets 20 and control described high-pressure liquid tube 30, low pressure gas pipe 40 and high-pressure air pipe 50 respectively with the conversion equipment 70 of each indoor set 20 connection status.
Particularly, many pipelines are provided with for being connected with a refrigerant port of each indoor set 20 by high-pressure liquid tube 30 in above-mentioned conversion equipment 70, and another refrigerant port of each indoor set 20 is all connected with described low pressure gas pipe 40 and high-pressure air pipe 50, and the pipeline be connected with another refrigerant port of indoor set 20 at described low pressure gas pipe 40 is provided with the magnetic valve A whether be communicated with for controlling both, the pipeline that described high-pressure air pipe 50 is connected with another refrigerant port of indoor set 20 is provided with the magnetic valve B whether be communicated with for controlling both, this magnetic valve A and magnetic valve B controls the flow direction of refrigerant.Particularly, when pure refrigeration, magnetic valve A and magnetic valve B all shops, when heating, magnetic valve A power down, magnetic valve B powers on.When pure refrigeration, if do not arrange above-mentioned control valve 60, then refrigerant is after carrying out heat exchange through indoor set 20, will flow in low pressure gas pipe 40 and high-pressure air pipe 50 respectively by magnetic valve A and magnetic valve B, now form refrigerant reverse circulated in magnetic valve B, produce larger noise.In the utility model embodiment, when pure refrigeration, forbid flowing to left end from right-hand member by above-mentioned control valve 60 refrigerant controlled in above-mentioned high-pressure air pipe 50, thus prevent refrigerant to flow into described low pressure gas pipe 40 from described high-pressure air pipe 50, therefore prevent magnetic valve B refrigerant reverse circulated, reduce the noise of three control air-conditioning systems.
Be understandable that, when adopting magnetic valve as above-mentioned control valve 60 or adopt magnetic valve and check valve cooperation to use as control valve 60, can when pure refrigerating operaton, Controlling solenoid valve turns off, and when heating operation, Controlling solenoid valve is opened; Adopt check valve when using as above-mentioned control valve 60, then do not need to carry out automatically controlled.In order to ensure the flow of the circulation of refrigerant in high-pressure air pipe 50 in the present embodiment, preferably adopt magnetic valve and check valve with the use of.
The utility model embodiment controls the control valve 60 of refrigerant circulating direction by being provided with on high-pressure air pipe 50, to forbid that refrigerant flows into described low pressure gas pipe 40 from described high-pressure air pipe 50.Thus effectively can prevent magnetic valve B refrigerant reverse circulated in conversion equipment 70, reduce the noise of three control air-conditioning systems.
Further, based on above-described embodiment, in the present embodiment, above-mentioned off-premises station 10 comprises the first outdoor heat exchanger 101, second outdoor heat exchanger 102, compressor 103, oil-liquid separator 104, low pressure tank 105, first cross valve 106, second cross valve 107, the 3rd cross valve 108, first closure member 109, second closure member 110 and the 3rd closure member 111, wherein
Described first outdoor heat exchanger 101 and the second outdoor heat exchanger 102 are connected in parallel by the first cross valve 106 and the second cross valve 107; The exhaust end D of described first cross valve 106, the exhaust end D of the second cross valve 107 are all connected with described compressor 103 blast pipe by described oil-liquid separator 104 with the exhaust end D of the 3rd cross valve 108;
The condensation end C of described first cross valve 106 is connected with the first port of described first outdoor heat exchanger 101, the condensation end C of described second cross valve 107 is connected with the first port of described second outdoor heat exchanger 102, and the condensation end C of described 3rd cross valve 108 is connected by the suction end of described 3rd closure member 111 with described 3rd cross valve 108;
The suction end S of described first cross valve 106, the suction end S of the second cross valve 107 are all connected with described compressor 103 muffler by described low pressure tank 105 with the suction end S of the 3rd cross valve 108;
The evaporation ends E of described first cross valve 106 is connected with the exhaust end D of described first cross valve by the first closure member 109, the evaporation ends E of described second cross valve 107 is connected with the exhaust end D of described second cross valve 107 by the second closure member 110, and the evaporation ends E of described 3rd cross valve 108 is connected with described high-pressure air pipe 50;
Described high-pressure liquid tube 30 is connected with the second port of described first outdoor heat exchanger 101 respectively by pipeline and the second port of the second outdoor heat exchanger 102 connects; Described low pressure gas pipe 40 is connected with the suction end of described 3rd cross valve 108.
In the present embodiment, above-mentioned first closure member 109 is electric expansion valve, magnetic valve or the capillary with refrigerant break-in facility.Above-mentioned second closure member 110 is electric expansion valve, magnetic valve or the capillary with refrigerant break-in facility.Above-mentioned 3rd closure member 111 is electric expansion valve, magnetic valve or the capillary with refrigerant break-in facility.In addition, above-mentioned compressor can be single compressor system, also can be at least two compressors parallel with one another.
When pure refrigerating operaton, the blast pipe of the cold medium compressor 103 after compressor 103 compresses flows out, and by shunting after oil-liquid separator 104, one tunnel flows in the first outdoor heat exchanger 101 through the first cross valve 106 carries out heat exchange, and another road flows in the second outdoor heat exchanger 102 through the second cross valve 107 carries out heat exchange; Two-way refrigerant converges after the first outdoor heat exchanger and the second outdoor heat exchanger carry out heat exchange, refrigerant after converging flow to a refrigerant port of each indoor set 20 through conversion equipment 70, and with current in running order indoor set 20 carry out heat exchange after, another refrigerant port of machine flows out indoor, and the magnetic valve A reached in conversion equipment 70 and magnetic valve B place.Dam owing to there is control valve 60 in high-pressure air pipe 50, thus make refrigerant flow in low pressure gas pipe 40 by means of only magnetic valve A; Flow back in the muffler of compressor 103 finally by the 3rd cross valve 108 and low pressure tank 105.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a control air-conditioning system, described three control air-conditioning systems comprise off-premises station and the high-pressure liquid tube for being connected with at least two indoor sets by described off-premises station, low pressure gas pipe and high-pressure air pipe, it is characterized in that, described high-pressure air pipe is provided with the control valve controlling refrigerant circulating direction, to forbid that refrigerant flows into described low pressure gas pipe from described high-pressure air pipe.
2. three control air-conditioning systems as claimed in claim 1, is characterized in that, described control valve comprises and is serially connected with magnetic valve on described high-pressure air pipe or check valve.
3. three control air-conditioning systems as claimed in claim 1, is characterized in that, described control valve comprises the check valve be serially connected with on described high-pressure air pipe and the magnetic valve being parallel to described check valve two ends.
4. three control air-conditioning systems as claimed in claim 1, it is characterized in that, described off-premises station comprises the first outdoor heat exchanger, the second outdoor heat exchanger, compressor, oil-liquid separator, low pressure tank, the first cross valve, the second cross valve, the 3rd cross valve, the first closure member, the second closure member and the 3rd closure member, wherein
Described first outdoor heat exchanger is connected by the first cross valve and the second four-way valve connection in parallel with the second outdoor heat exchanger; The exhaust end of described first cross valve, the exhaust end of the second cross valve are all connected with described compressor exhaust pipe by described oil-liquid separator with the exhaust end of the 3rd cross valve;
The condensation end of described first cross valve is connected with the first port of described first outdoor heat exchanger, the condensation end of described second cross valve is connected with the first port of described second outdoor heat exchanger, and the condensation end of described 3rd cross valve is connected by the suction end of described 3rd closure member with described 3rd cross valve;
The suction end of described first cross valve, the suction end of the second cross valve are all connected with described compressor return air pipe by described low pressure tank with the suction end of the 3rd cross valve;
The evaporation ends of described first cross valve is connected with the exhaust end of described first cross valve by the first closure member, the evaporation ends of described second cross valve is connected with the exhaust end of described second cross valve by the second closure member, and the evaporation ends of described 3rd cross valve is connected with described high-pressure air pipe;
Described high-pressure liquid tube is connected with the second port of described first outdoor heat exchanger respectively by pipeline and the second port of the second outdoor heat exchanger connects; Described low pressure gas pipe is connected with the suction end of described 3rd cross valve.
5. three control air-conditioning systems as claimed in claim 4, is characterized in that, described first closure member is electric expansion valve, magnetic valve or the capillary with refrigerant break-in facility.
6. three control air-conditioning systems as claimed in claim 4, is characterized in that, described second closure member is electric expansion valve, magnetic valve or the capillary with refrigerant break-in facility.
7. three control air-conditioning systems as claimed in claim 4, is characterized in that, described 3rd closure member is electric expansion valve, magnetic valve or the capillary with refrigerant break-in facility.
8. three control air-conditioning systems as claimed in claim 4, is characterized in that, described compressor comprises at least two compressors parallel with one another.
9. three control air-conditioning systems according to any one of claim 1 to 8, it is characterized in that, described three control air-conditioning systems also comprise at least two indoor sets and control described high-pressure liquid tube, low pressure gas pipe and high-pressure air pipe respectively with the conversion equipment of each indoor set connection status.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520917712.XU CN205227903U (en) | 2015-11-17 | 2015-11-17 | Three -tube air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520917712.XU CN205227903U (en) | 2015-11-17 | 2015-11-17 | Three -tube air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205227903U true CN205227903U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520917712.XU Active CN205227903U (en) | 2015-11-17 | 2015-11-17 | Three -tube air conditioning system |
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| CN (1) | CN205227903U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763875A (en) * | 2017-10-25 | 2018-03-06 | 广东美的暖通设备有限公司 | Air-conditioning system |
| CN108195005A (en) * | 2017-12-28 | 2018-06-22 | 青岛海信日立空调系统有限公司 | A kind of three control water source multi-connected machines and its control method |
-
2015
- 2015-11-17 CN CN201520917712.XU patent/CN205227903U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763875A (en) * | 2017-10-25 | 2018-03-06 | 广东美的暖通设备有限公司 | Air-conditioning system |
| CN107763875B (en) * | 2017-10-25 | 2020-01-07 | 广东美的暖通设备有限公司 | Air conditioning system |
| CN108195005A (en) * | 2017-12-28 | 2018-06-22 | 青岛海信日立空调系统有限公司 | A kind of three control water source multi-connected machines and its control method |
| CN108195005B (en) * | 2017-12-28 | 2020-03-13 | 青岛海信日立空调系统有限公司 | Three-pipe water source multi-split air conditioner and control method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |