CN208846641U - A kind of multi-online air-conditioning system - Google Patents
A kind of multi-online air-conditioning system Download PDFInfo
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- CN208846641U CN208846641U CN201821360662.XU CN201821360662U CN208846641U CN 208846641 U CN208846641 U CN 208846641U CN 201821360662 U CN201821360662 U CN 201821360662U CN 208846641 U CN208846641 U CN 208846641U
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Abstract
The utility model provides a kind of multi-online air-conditioning system, and including indoor unit and the outdoor unit being connected to indoor unit, outdoor unit includes compressor, outdoor heat exchanger, electric expansion valve and four-way valve；When indoor unit is in refrigeration mode, four-way valve is used to be connected to the input terminal of one end and compressor of the output end of compressor and one end of outdoor heat exchanger and indoor unit, and pressure sensor is used to detect the low voltage value of multi-online air-conditioning system at this time；When indoor unit is in heating mode, four-way valve switches to the input terminal of one end of output end and indoor unit and one end of outdoor heat exchanger and compressor for being connected to compressor, and pressure sensor is used to detect the high-voltage value of multi-online air-conditioning system at this time.That is, a pressure sensor is used only in multi-online air-conditioning system, so that it may detect condensing pressure when detection evaporating pressure, heating in refrigeration, to reduce costs, there is good practicability.
Description
Technical field
The utility model relates to air-conditioning technical field, in particular to a kind of multi-online air-conditioning system.
Background technique
Multi-online air-conditioning system is widely used office, life due to its part throttle characteristics and significant energy-saving effect
Produce the occasions such as workshop.Currently, pressure sensor has fixed function in common multi-online air-conditioning system, for example, setting exists
Pressure sensor (i.e. high pressure sensor) on exhaust pipe is just only used to measure condenser pressure, and the pressure on air intake duct is arranged in
Sensor (i.e. low pressure sensor) is just only used to measure evaporating pressure, in actual use, may there is partial pressure sensing
The idle situation of device, pressure sensor utilization rate is insufficient, while increasing cost.
Utility model content
In view of this, the utility model is directed to a kind of multi-online air-conditioning system, to solve the above problems.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of multi-online air-conditioning system, the multi-online air-conditioning system include indoor unit and the room that is connected to the indoor unit
Outer machine, the outdoor unit include compressor, outdoor heat exchanger, electric expansion valve and four-way valve；The four-way valve, when the interior
For being connected to the output end of the compressor and one end and the interior of the outdoor heat exchanger when machine is in refrigeration mode
The input terminal of one end of machine and the compressor is switched to when the indoor unit is in heating mode for being connected to the compression
One end of one end and the outdoor heat exchanger of the output end of machine and the indoor unit and the input terminal of the compressor；It is described
The other end of outdoor heat exchanger is connected to through the electric expansion valve with the other end of the indoor unit；The four-way valve and the room
A pressure sensor is provided on connecting line between one end of interior machine, the pressure sensor is used at the indoor unit
The low voltage value of the multi-online air-conditioning system is detected when refrigeration mode and is used for when the indoor unit is in heating mode
Detect the high-voltage value of the multi-online air-conditioning system.
Further, it is provided with the first valve on the connecting line between the four-way valve and one end of the indoor unit,
The pressure sensor is set between the four-way valve and first valve.
Further, the four-way valve includes first port, second port, third port and the 4th port, and described first
Port connects one end of the indoor unit, and the second port connects the input terminal of the compressor, the third port connection
One end of the outdoor heat exchanger, the 4th port connect the output end of the compressor；When the indoor unit is in refrigeration
When mode, first port is connected to second port in the four-way valve, third port is connected to the 4th port；When the indoor unit
When in heating mode, first port is connected to the 4th port in the four-way valve, second port is connected to third port.
Further, the outdoor unit further includes oil-liquid separator, the oil-liquid separator be set to the compressor and
Between the four-way valve.
Further, the oil-liquid separator includes input port, gas outlet and oil outlet, the input of the oil-liquid separator
Mouth is connected to the output end of the compressor, and the gas outlet of the oil-liquid separator is connected to the four-way valve, the oil liquid point
It is connected to from the oil outlet of device with the input terminal of the compressor.
Further, the outdoor unit further includes gas-liquid separator, the gas-liquid separator be set to the compressor and
Between the four-way valve.
Further, the gas-liquid separator includes input port and delivery outlet, the input port of the gas-liquid separator and institute
Four-way valve connection is stated, the delivery outlet of the gas-liquid separator is connected to the input terminal of the compressor.
Further, second is provided on the connecting line between the electric expansion valve and the other end of the indoor unit
Valve.
Further, first valve is tracheae shut-off valve, and second valve is liquid pipe shut-off valve.
Further, the indoor unit includes controller, the controller and the pressure sensor, compressor and electronics
Expansion valve is electrically connected；The controller, for reading the low voltage value and right when the indoor unit is in refrigeration mode
The compressor and the electric expansion valve are controlled and read the high pressure when the indoor unit is in heating mode
Value simultaneously controls the compressor and the electric expansion valve.
Compared with the existing technology, multi-online air-conditioning system described in the utility model has the advantage that
Multi-online air-conditioning system described in the utility model, when indoor unit is in refrigeration mode, four-way valve is for being connected to
The input terminal of one end and compressor of the output end of compressor and one end of outdoor heat exchanger and indoor unit, at this time pressure sensing
Device is used to detect the low voltage value of multi-online air-conditioning system；When indoor unit is in heating mode, four-way valve is switched to for being connected to
The input terminal of one end and compressor of the output end of compressor and one end of indoor unit and outdoor heat exchanger, at this time pressure sensing
Device is used to detect the high-voltage value of multi-online air-conditioning system.That is, a pressure sensor is used only in multi-online air-conditioning system,
Condensing pressure can be detected when detection evaporating pressure, heating in refrigeration, to reduce costs, had good practical
Property.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the structural block diagram of multi-online air-conditioning system described in the utility model embodiment；
Fig. 2 applies example schematic diagram for first of multi-online air-conditioning system described in the utility model embodiment；
Fig. 3 applies example schematic diagram for second of multi-online air-conditioning system described in the utility model embodiment.
Description of symbols:
1- multi-online air-conditioning system, 2- indoor unit, 3- outdoor unit, 4- compressor, 5- oil-liquid separator, 6- gas-liquid separation
Device, 7- four-way valve, 8- pressure sensor, the first valve of 9-, 10- outdoor heat exchanger, 11- electric expansion valve, the second valve of 12-.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In addition, the first valve 9 being previously mentioned in the embodiments of the present invention, refers to and is set to four-way valve 7 and interior
Tracheae shut-off valve on connecting line between one end of machine 2.The second valve being previously mentioned in the embodiments of the present invention
12, refer to that the liquid pipe shut-off valve on the connecting line being set between electric expansion valve 11 and the other end of indoor unit 2, tracheae are cut
Only valve and liquid pipe shut-off valve are open-close on-offs when being installed separately for indoor unit 2 and outdoor unit 3.In implementation of the invention
The controller for the indoor unit 2 being previously mentioned in example is electrically connected with pressure sensor 8, compressor 4 and electric expansion valve 11, is referred to
The controller of indoor unit 2 and pressure sensor 8 are linked together by circuit, by circuit by the controller of indoor unit 2 with
Compressor 4 links together and the controller of indoor unit 2 and electric expansion valve 11 is linked together by circuit, so that
The signal of pressure sensor 8 can pass to controller, the signal of controller can pass to compressor 4 and electric expansion valve
11。
In first and second be previously mentioned in the embodiments of the present invention, it is used merely to an entity or operation
It is distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation, there are any this
Actual relationship or sequence.
The utility model provides a kind of multi-online air-conditioning system 1, and a pressure sensor 8 can be used only in refrigeration
Condensing pressure is detected when detection evaporating pressure, heating.Fig. 1 is please referred to, Fig. 1 is that multi-connected machine described in the utility model embodiment is empty
The structural block diagram of adjusting system 1, the multi-online air-conditioning system 1 include indoor unit 2 and the outdoor unit 3 being connected to indoor unit 2, outdoor unit
3 include compressor 4, oil-liquid separator 5, gas-liquid separator 6, four-way valve 7, pressure sensor 8, the first valve 9, outdoor heat exchanger
10, electric expansion valve 11 and the second valve 12.
In the present embodiment, compressor 4 includes input terminal and output end, and the input terminal and gas-liquid separator 6 of compressor 4 connect
Logical, the output end of compressor 4 is connected to oil-liquid separator 5.
In the present embodiment, oil-liquid separator 5 is set between compressor 4 and four-way valve 7, and oil-liquid separator 5 includes defeated
The input port of entrance, gas outlet and oil outlet, oil-liquid separator 5 is connected to the output end of compressor 4, and oil-liquid separator 5 goes out
Port is connected to four-way valve 7, and the oil outlet of oil-liquid separator 5 is connected to the input terminal of compressor 4.
In the present embodiment, gas-liquid separator 6 is set between compressor 4 and four-way valve 7, and gas-liquid separator 6 includes defeated
The input port of entrance and delivery outlet, gas-liquid separator 6 is connected to four-way valve 7, delivery outlet and the compressor 4 of gas-liquid separator 6
Input terminal connection.
In the present embodiment, four-way valve 7, when indoor unit 2 is in refrigeration mode for be connected to compressor 4 output end and
The input terminal of one end of outdoor heat exchanger 10 and one end of indoor unit 2 and compressor 4, when indoor unit 2 is in heating mode
Switch to one end of output end and indoor unit 2 for being connected to compressor 4 and one end of outdoor heat exchanger 10 and compressor 4
Input terminal.The other end of outdoor heat exchanger 10 is connected to through electric expansion valve 11 with the other end of indoor unit 2.
Further, four-way valve 7 includes first port a, second port b, third port c and the 4th port d, first port
One end of a connection indoor unit 2, the input terminal of second port b connect compressor 4, the one of third port c connection outdoor heat exchanger 10
End, the output end of the 4th port d connect compressor 4；When indoor unit 2 is in refrigeration mode, in four-way valve 7 first port a with
Second port b connection, third port c are connected to the 4th port d；When indoor unit 2 is in heating mode, first in four-way valve 7
Port a is connected to the 4th port d, second port b is connected to third port c.
In the present embodiment, pressure biography is provided on the connecting line between four-way valve 7 and one end of the indoor unit 2
Sensor 8, pressure sensor 8 for when indoor unit 2 is in refrigeration mode detect multi-online air-conditioning system 1 low voltage value and
When indoor unit 2 is in heating mode for detecting the high-voltage value of multi-online air-conditioning system 1.
In the present embodiment, it is provided with the first valve 9 on the connecting line between four-way valve 7 and one end of indoor unit 2, presses
Force snesor 8 is set between four-way valve 7 and the first valve 9, and the first valve 9, which can be, is set to four-way valve 7 and indoor unit 2
Tracheae shut-off valve on connecting line between one end, tracheae shut-off valve are when being dispensed for indoor unit 2 and outdoor unit 3
Open-close on-off.
In the present embodiment, one end of outdoor heat exchanger 10 is connect with the third port c of four-way valve 7, outdoor heat exchanger 10
The other end be connected to through electric expansion valve 11 with the other end of indoor unit 2.
In the present embodiment, second is provided on the connecting line between electric expansion valve 11 and the other end of indoor unit 2
Valve 12, the second valve 12 can be on the connecting line being set between electric expansion valve 11 and the other end of indoor unit 2
Liquid pipe shut-off valve, liquid pipe shut-off valve are open-close on-offs when being installed separately for indoor unit 2 and outdoor unit 3.
Referring to figure 2., when indoor unit 2 is in refrigeration mode, 7 power-down state of four-way valve, first port a in four-way valve 7
Be connected to second port b, third port c is connected to the 4th port d, four-way valve 7 is used to be connected to output end and the outdoor of compressor 4
The input terminal of one end of heat exchanger 10 and one end of indoor unit 2 and compressor 4.
It is, refrigerant is since the input terminal of compressor 4, successively through oil liquid point when indoor unit 2 is in refrigeration mode
From device 5, the 4th port d of four-way valve 7, the third port c of four-way valve 7, outdoor heat exchanger 10, electric expansion valve 11, indoor unit
2, the first port a of four-way valve 7, the second port b of four-way valve 7, gas-liquid separator 6, are finally back to compressor 4.This fortune
Under row mode, pressure sensor 8 is for detecting evaporating pressure, i.e., as the low of low pressure sensor detection multi-online air-conditioning system 1
Pressure value.At this point, indoor unit 2 is used to read the evaporating pressure of the detection of pressure sensor 8 and according to the evaporating pressure to 4 He of compressor
Electric expansion valve 11 is controlled, for example, can be used to be precisely controlled the operation frequency of compressor 4 with the evaporating pressure detected
Rate, aperture of electric expansion valve 11 etc..
Referring to figure 3., when indoor unit 2 is in heating mode, 7 power-up state of four-way valve, first port a in four-way valve 7
Be connected to the 4th port d, second port b is connected to third port c, four-way valve 7 is used to be connected to output end and the interior of compressor 4
The input terminal of one end of machine 2 and one end of outdoor heat exchanger 10 and compressor 4.
It is, refrigerant is since the input terminal of compressor 4, successively through oil liquid point when indoor unit 2 is in heating mode
From device 5, the 4th port d of four-way valve 7, the first port a of four-way valve 7, indoor unit 2, electric expansion valve 11, outdoor heat exchanger
10, the third port c of four-way valve 7, the second port b of four-way valve 7, gas-liquid separator 6, are finally back to compressor 4.This fortune
Under row mode, pressure sensor 8 is for detecting condensing pressure, the i.e. height as high pressure sensor detection multi-online air-conditioning system 1
Pressure value.At this point, indoor unit 2 is used to read the condensing pressure of the detection of pressure sensor 8 and according to the condensing pressure to 4 He of compressor
Electric expansion valve 11 is controlled, for example, can be used to be precisely controlled the operation frequency of compressor 4 with the condensing pressure detected
Rate, aperture of electric expansion valve 11 etc..
In the present embodiment, indoor unit 2 includes controller, controller and pressure sensor 8, compressor 4 and electronic expansion
Valve 11 is electrically connected.The controller, the steaming detected for reading pressure sensor 8 when indoor unit 2 is in refrigeration mode
Hair pressure simultaneously controls compressor 4 and electric expansion valve 11 according to evaporating pressure, for example, the vapor pres- sure detected can be used
Power is for being precisely controlled running frequency, aperture of electric expansion valve 11 of compressor 4 etc.；When indoor unit 2 is in heating mode
It reads the condensing pressure that pressure sensor 8 detects and compressor 4 and electric expansion valve 11 is controlled according to condensing pressure, example
Such as, it can be used to be precisely controlled running frequency, the aperture of electric expansion valve 11 etc. of compressor 4 with the condensing pressure detected.
Multi-online air-conditioning system 1 provided in this embodiment machine 2 is in refrigeration mode indoors and heating mode Shi Junke with
Pressure detecting is carried out, specific pressure detecting process includes:
(1), when indoor unit 2 is in refrigeration mode, four-way valve 7 is connected to the output end and outdoor heat exchanger 10 of compressor 4
One end and indoor unit 2 one end and compressor 4 input terminal, pressure sensor 8 detect multi-online air-conditioning system 1 low pressure
Value.
In the present embodiment, when indoor unit 2 is in refrigeration mode, 7 power-down state of four-way valve, first end in four-way valve 7
Mouthful a be connected to second port b, third port c is connected to the 4th port d, four-way valve 7 for be connected to the output end of compressor 4 with
The input terminal of one end of outdoor heat exchanger 10 and one end of indoor unit 2 and compressor 4.Under this operational mode, pressure sensing
Device 8 is for detecting evaporating pressure, the i.e. low voltage value as low pressure sensor detection multi-online air-conditioning system 1.
Further, indoor unit 2 includes controller, which reads the detected value of pressure sensor 8, when indoor unit 2
When in refrigeration mode, the evaporating pressure that the pressure sensor 8 read is detected is as the low pressure of multi-online air-conditioning system 1
Value, and compressor 4 and electric expansion valve 11 are controlled according to the low voltage value, for example, the running frequency of control compressor 4,
The aperture etc. of electric expansion valve 11.
(2), when indoor unit 2 is in heating mode, four-way valve 7 switches to the output end and indoor unit 2 of connection compressor 4
One end and outdoor heat exchanger 10 one end and compressor 4 input terminal, pressure sensor 8 detect multi-online air-conditioning system 1
High-voltage value.
In the present embodiment, when indoor unit 2 is in heating mode, 7 power-up state of four-way valve, first end in four-way valve 7
Mouthful a be connected to the 4th port d, second port b is connected to third port c, four-way valve 7 for be connected to the output end of compressor 4 with
The input terminal of one end of indoor unit 2 and one end of outdoor heat exchanger 10 and compressor 4.The other end of outdoor heat exchanger 10 is through electricity
Sub- expansion valve 11 is connected to the other end of indoor unit 2.Under this operational mode, pressure sensor 8 is for detecting condensing pressure, i.e.,
High-voltage value as high pressure sensor detection multi-online air-conditioning system 1.
Further, indoor unit 2 includes controller, which reads the detected value of pressure sensor 8, when indoor unit 2
When in heating mode, the condensing pressure that the pressure sensor 8 read is detected is as the high pressure of multi-online air-conditioning system 1
Value, and compressor 4 and electric expansion valve 11 are controlled according to the high-voltage value, for example, the running frequency of control compressor 4,
The aperture etc. of electric expansion valve 11.
The working principle of multi-online air-conditioning system 1 provided by the utility model is:
When indoor unit 2 is in refrigeration mode, 7 power-down state of four-way valve, first port a and second port b in four-way valve 7
Connection, third port c are connected to the 4th port d, and four-way valve 7 is for being connected to the output end and outdoor heat exchanger 10 of compressor 4
The input terminal of one end and compressor 4 of one end and indoor unit 2, refrigerant is since the input terminal of compressor 4, successively through oil liquid point
From device 5, the 4th port d of four-way valve 7, the third port c of four-way valve 7, outdoor heat exchanger 10, electric expansion valve 11, indoor unit
2, the first port a of four-way valve 7, the second port b of four-way valve 7, gas-liquid separator 6, are finally back to compressor 4, this fortune
Under row mode, pressure sensor 8 is used to read the evaporating pressure of the detection of pressure sensor 8 for detecting evaporating pressure, indoor unit 2
And compressor 4 and electric expansion valve 11 are precisely controlled using the evaporating pressure as system low-voltage value；
When indoor unit 2 is in heating mode, 7 power-up state of four-way valve, first port a and the 4th port d in four-way valve 7
Connection, second port b be connected to third port c, four-way valve 7 for be connected to compressor 4 output end and indoor unit 2 one end with
And outdoor heat exchanger 10 one end and compressor 4 input terminal, refrigerant is since the input terminal of compressor 4, successively through oil liquid point
From device 5, the 4th port d of four-way valve 7, the first port a of four-way valve 7, indoor unit 2, electric expansion valve 11, outdoor heat exchanger
10, the third port c of four-way valve 7, the second port b of four-way valve 7, gas-liquid separator 6, are finally back to compressor 4, this fortune
Under row mode, pressure sensor 8 is used to read the condensing pressure of the detection of pressure sensor 8 for detecting condensing pressure, indoor unit 2
And the condensing pressure is precisely controlled compressor 4 and electric expansion valve 11 as system high pressure value.
Multi-online air-conditioning system 1 provided by the utility model has the advantage that compared with prior art
Firstly, pressure sensor 8 is for detecting evaporating pressure, at indoor unit 2 when indoor unit 2 is in refrigeration mode
When heating mode, pressure sensor 8 is for detecting condensing pressure, it is, a pressure sensor 8 is used only, so that it may
Condensing pressure is detected when detection evaporating pressure, heating in refrigeration, is reduced costs；
Secondly, indoor unit 2 is used to read the evaporating pressure of the detection of pressure sensor 8 when indoor unit 2 is in refrigeration mode
And the evaporating pressure controls compressor 4 and electric expansion valve 11 as system low-voltage value, when indoor unit 2 is in heating mould
When formula, indoor unit 2 is used to read the condensing pressure of the detection of pressure sensor 8 and the condensing pressure as system high pressure value to compression
Machine 4 and electric expansion valve 11 are controlled, and achieve the purpose that be precisely controlled.
In conclusion a kind of multi-online air-conditioning system provided by the embodiment of the utility model, including indoor unit and with interior
The outdoor unit of machine connection, outdoor unit includes compressor, outdoor heat exchanger, electric expansion valve and four-way valve；Four-way valve works as indoor unit
When in refrigeration mode for be connected to compressor output end and outdoor heat exchanger one end and indoor unit one end and compression
The input terminal of machine, switched to when indoor unit is in heating mode one end of the output end and indoor unit for being connected to compressor with
And outdoor heat exchanger one end and compressor input terminal；The other end of outdoor heat exchanger is another through electric expansion valve and indoor unit
One end connection；A pressure sensor is provided on connecting line between four-way valve and one end of indoor unit, pressure sensor is used
In the low voltage value of detection multi-online air-conditioning system when indoor unit is in refrigeration mode and when indoor unit is in heating mode
For detecting the high-voltage value of multi-online air-conditioning system.As soon as that is, multi-online air-conditioning system be used only a pressure sensor,
Condensing pressure can be detected when detection evaporating pressure, heating in refrigeration, to reduce costs, there is good practicability.
In addition, when indoor unit is in refrigeration mode, it is used for indoor machine in read the evaporating pressure of pressure sensor detection to compressor and
Electric expansion valve is controlled, when indoor unit is in heating mode, it is used for indoor machine in read pressure sensor detection to pressure
Contracting machine and electric expansion valve are controlled, and achieve the purpose that be precisely controlled
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of multi-online air-conditioning system, which is characterized in that the multi-online air-conditioning system (1) include indoor unit (2) and with institute
The outdoor unit (3) of indoor unit (2) connection is stated, the outdoor unit (3) includes compressor (4), outdoor heat exchanger (10), electronic expansion
Valve (11) and four-way valve (7)；
The four-way valve (7), when the indoor unit (2) is in refrigeration mode for being connected to the output end of the compressor (4)
With the input terminal of one end of the outdoor heat exchanger (10) and one end of the indoor unit (2) and the compressor (4), work as institute
It states and switches to output end and the indoor unit (2) for being connected to the compressor (4) when indoor unit (2) is in heating mode
The input terminal of one end and the compressor (4) of one end and the outdoor heat exchanger (10)；
The other end of the outdoor heat exchanger (10) connects through the other end of the electric expansion valve (11) and the indoor unit (2)
It is logical；
A pressure sensor (8) are provided on connecting line between the four-way valve (7) and one end of the indoor unit (2),
The pressure sensor (8) is for detecting the multi-online air-conditioning system (1) when the indoor unit (2) is in refrigeration mode
Low voltage value and the high pressure for being used to detect the multi-online air-conditioning system (1) when the indoor unit (2) is in heating mode
Value.
2. multi-online air-conditioning system according to claim 1, which is characterized in that the four-way valve (7) and the indoor unit
(2) it is provided on the connecting line between one end the first valve (9), the pressure sensor (8) is set to the four-way valve
(7) between first valve (9).
3. multi-online air-conditioning system according to claim 1, which is characterized in that the four-way valve (7) include first port,
Second port, third port and the 4th port, the first port connect one end of the indoor unit (2), the second port
The input terminal of the compressor (4) is connected, the third port connects one end of the outdoor heat exchanger (10), the 4th end
Mouth connects the output end of the compressor (4)；When the indoor unit (2) is in refrigeration mode, first in the four-way valve (7)
Port is connected to second port, third port is connected to the 4th port；It is described when the indoor unit (2) is in heating mode
Four-way valve (7) interior first port is connected to the 4th port, second port is connected to third port.
4. multi-online air-conditioning system according to claim 1, which is characterized in that the outdoor unit (3) further includes oil liquid point
From device (5), the oil-liquid separator (5) is set between the compressor (4) and the four-way valve (7).
5. multi-online air-conditioning system according to claim 4, which is characterized in that the oil-liquid separator (5) includes input
Mouth, gas outlet and oil outlet, the input port of the oil-liquid separator (5) are connected to the output end of the compressor (4), the oil
The gas outlet of liquid/gas separator (5) is connected to the four-way valve (7), the oil outlet and the compressor of the oil-liquid separator (5)
(4) input terminal connection.
6. multi-online air-conditioning system according to claim 1, which is characterized in that the outdoor unit (3) further includes gas-liquid point
From device (6), the gas-liquid separator (6) is set between the compressor (4) and the four-way valve (7).
7. multi-online air-conditioning system according to claim 6, which is characterized in that the gas-liquid separator (6) includes input
Mouthful and delivery outlet, the input port of the gas-liquid separator (6) be connected to the four-way valve (7), the gas-liquid separator (6) it is defeated
Outlet is connected to the input terminal of the compressor (4).
8. multi-online air-conditioning system according to claim 2, which is characterized in that the electric expansion valve (11) and the room
The second valve (12) are provided on connecting line between the other end of interior machine (2).
9. multi-online air-conditioning system according to claim 8, which is characterized in that first valve (9) is tracheae cut-off
Valve, second valve (12) are liquid pipe shut-off valve.
10. multi-online air-conditioning system according to claim 1, which is characterized in that the indoor unit (2) includes controller,
The controller is electrically connected with the pressure sensor (8), compressor (4) and electric expansion valve (11)；
The controller, for reading the low voltage value when the indoor unit (2) is in refrigeration mode and to the compressor
(4) it is controlled with the electric expansion valve (11) and reads the high pressure when the indoor unit (2) is in heating mode
Value simultaneously controls the compressor (4) and the electric expansion valve (11).
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| CN201821360662.XU CN208846641U (en) | 2018-08-22 | 2018-08-22 | A kind of multi-online air-conditioning system |
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| CN201821360662.XU CN208846641U (en) | 2018-08-22 | 2018-08-22 | A kind of multi-online air-conditioning system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870701A (en) * | 2018-08-22 | 2018-11-23 | 宁波奥克斯电气股份有限公司 | A kind of multi-online air-conditioning system and pressure detection method |
| CN113137731A (en) * | 2021-03-23 | 2021-07-20 | 浙江中广电器股份有限公司 | Multi-connected triple co-generation system and control method |
| CN113266866A (en) * | 2021-04-15 | 2021-08-17 | 浙江中广电器股份有限公司 | Multi-split air conditioner system with clothes drying function and control method |
| CN115235140A (en) * | 2022-06-23 | 2022-10-25 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioning system, control method and storage medium |
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2018
- 2018-08-22 CN CN201821360662.XU patent/CN208846641U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870701A (en) * | 2018-08-22 | 2018-11-23 | 宁波奥克斯电气股份有限公司 | A kind of multi-online air-conditioning system and pressure detection method |
| CN113137731A (en) * | 2021-03-23 | 2021-07-20 | 浙江中广电器股份有限公司 | Multi-connected triple co-generation system and control method |
| CN113266866A (en) * | 2021-04-15 | 2021-08-17 | 浙江中广电器股份有限公司 | Multi-split air conditioner system with clothes drying function and control method |
| CN115235140A (en) * | 2022-06-23 | 2022-10-25 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioning system, control method and storage medium |
| CN115235140B (en) * | 2022-06-23 | 2023-08-01 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioning system, control method and storage medium |
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