CN210602321U - Air conditioning system - Google Patents
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- CN210602321U CN210602321U CN201921692226.7U CN201921692226U CN210602321U CN 210602321 U CN210602321 U CN 210602321U CN 201921692226 U CN201921692226 U CN 201921692226U CN 210602321 U CN210602321 U CN 210602321U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 71
- 230000006698 induction Effects 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 abstract description 45
- 238000009413 insulation Methods 0.000 description 37
- 239000002184 metal Substances 0.000 description 14
- 238000013508 migration Methods 0.000 description 13
- 230000005012 migration Effects 0.000 description 13
- 238000004804 winding Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000002026 carminative effect Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides an air conditioning system, include: compressor (1), evaporimeter (2), condenser (3) and throttling arrangement (4), just air conditioning system still includes three-way valve (5), exhaust pipe (9) and two-way valve (8) that set up on exhaust pipe (9), exhaust pipe (9) with the gas vent intercommunication of compressor (1), one of wherein two link of three-way valve (5) with the induction port intercommunication of compressor (1), another with exhaust pipe intercommunication or by the shutoff, three-way valve (5) with two-way valve (8) can be in air conditioning system shut down the back be controlled and with compressor (1) the induction port with the gas vent is disconnected connection respectively. Through the utility model discloses close the contact of compressor and external pipeline after control air conditioning system shuts down, prevent that the refrigerant from continuing to migrate and getting into in the compressor, when avoiding air conditioning system to start insulating resistance low excessively.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner, concretely relates to air conditioning system.
Background
The compressor of the common split air conditioner is vertical, the plug wire terminal of the charged body and the motor in the compressor are positioned at the top of the compressor, and the insulation resistance of the system can be ensured to meet the requirement as long as the whole machine is well grounded.
However, for air conditioning systems such as bus air conditioners, car air conditioners, etc. and air conditioning systems that must use horizontal compressors, the refrigerant of the air conditioning system migrates into the compressor, submerging the live and exposed winding plug terminals, winding welding points, etc. in the compressor. When the system is powered on, the charged bodies exposed in the compressor are in short circuit with the inner wall of the shell of the compressor through the liquid refrigerant, and the short circuit shows that the insulation resistance value is too low when the whole compressor is powered on, the insulation resistance value far reaches the national standard requirement, and the system reports insulation faults and even cannot be powered on.
The scheme has at present to adopt insulating flange or insulation board to insulate between compressor and air conditioner pipe network and the mounting panel, but to the violent vibrations of automobile-used process companion, this installation of insulating flange has the leakage hidden danger on the compressor suction and exhaust pipe (insulating flange leads to its linkage segment pipeline to break easily on the one hand, and on the other hand time has been of a specified duration insulating flange self fatigue leakage). And a liquid storage tank is additionally arranged behind the evaporator to reduce the migration volume of liquid refrigerant in the compressor and reduce the insulation resistance value of the compressor, for example, the patent CN205279524U, but the structure of the liquid storage tank only can reduce the migration volume of refrigerant in the compressor but cannot avoid the migration of refrigerant, and the arrangement of the liquid storage tank increases the cost greatly.
Because there is refrigerant migration to the compressor in the back of shutting down in the horizontal compressor air conditioner among the prior art, submerge the compressor in electrified and exposed winding plug wire terminal, winding solder joint position and lead to electrified body to pass through liquid refrigerant and compressor housing inner wall short circuit, the insulating resistance is low excessively when the complete machine is started, can not reach the national standard requirement, the system reports insulating fault, technical problem such as unable start even, consequently the utility model discloses the research designs an air conditioning system.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art especially horizontal compressor air conditioner and having the refrigerant migration to the compressor after shutting down in, submerge the compressor in electrified and exposed winding plug wire terminal, winding solder joint position and lead to the complete machine when starting defect that the insulation resistance is low excessively to an air conditioning system is provided.
The utility model provides an air conditioning system, it includes:
the air conditioning system comprises a compressor, an evaporator, a condenser and a throttling device, and further comprises a three-way valve, an exhaust pipeline and a two-way valve arranged on the exhaust pipeline, wherein the exhaust pipeline is communicated with an exhaust port of the compressor, one of two connecting ends of the three-way valve is communicated with an air suction port of the compressor, the other one of the two connecting ends of the three-way valve is communicated with the exhaust pipeline, and the three-way valve and the two-way valve can be controlled to disconnect the air suction port of the compressor and the exhaust port of the compressor respectively after the air conditioning system is stopped.
Preferably, the first and second electrodes are formed of a metal,
the two connecting ends of the three-way valve are a first end and a third end, wherein the first end is communicated with a suction port of the compressor, and the third end is communicated with the exhaust pipeline or is blocked.
Preferably, the first and second electrodes are formed of a metal,
the three-way valve further comprises a second end;
still include the cross valve, the cross valve includes four link: a fifth end, a sixth end, a seventh end and an eighth end, the fifth end being in communication with the third end of the three-way valve, the sixth end being in communication with the condenser, the seventh end being in communication with the second end of the three-way valve, the eighth end being in communication with the evaporator;
when the air conditioning system is started, the three-way valve can be controlled to enable the first end and the second end to be communicated and the second end and the third end to be disconnected, meanwhile, the two-way valve is controlled to be opened, so that exhaust gas of a compressor is led out to the condenser through the two-way valve and the four-way valve, and meanwhile, the exhaust gas of the evaporator is led to a suction port of the compressor through the four-way valve and the three-way valve;
when the air conditioning system is shut down, the three-way valve can be controlled to enable the second end and the third end to be communicated, the second end and the first end to be opened, and meanwhile, the two-way valve is controlled to be closed so as to close both the exhaust gas and the suction gas of the compressor.
Preferably, the first and second electrodes are formed of a metal,
the valve further comprises a gas-liquid separator, and the gas-liquid separator is arranged between the second end of the three-way valve and the seventh end of the four-way valve.
Preferably, the first and second electrodes are formed of a metal,
the throttling device is connected to a pipeline between the condenser and the evaporator.
Preferably, the first and second electrodes are formed of a metal,
the throttling device is an electronic expansion valve.
Preferably, the first and second electrodes are formed of a metal,
the compressor is a horizontal compressor.
The utility model also provides an air conditioning system's control method, it uses the preceding arbitrary item air conditioning system, control the three-way valve with the control refrigerant can not emigrated when air conditioning system closes in the compressor.
Preferably, the first and second electrodes are formed of a metal,
when the three-way valve includes a first end, a second end, and a third end:
when the air conditioning system is closed, controlling the three-way valve to enable the second end and the third end to be communicated, simultaneously disconnecting the second end and the first end, and simultaneously controlling the two-way valve to be closed;
when the air conditioning system is opened, the three-way valve is controlled to enable the first end and the second end to be communicated and the second end and the third end to be disconnected, and meanwhile the two-way valve is controlled to be opened.
The utility model provides a pair of air conditioning system has following beneficial effect:
the utility model discloses a position at the induction port of compressor and gas vent sets up the structural style of three-way valve and two-way valve, make wherein two ends of three-way valve communicate respectively to inhaling of compressor, the gas vent, and control air conditioning system shut down the three-way valve and close the induction port of compressor, the gas vent that the compressor was closed to control two-way valve, thereby the contact of compressor and external pipeline has been closed, control is inhaled carminative and is closed, prevent effectively to shut down the postcondenser, the evaporimeter, during refrigerant continuation migration among the structures such as vapour and liquid separator gets into the compressor, and cause parts such as the inside electrified body of compressor to take place by the condition of erosion, the insulating resistance value low condition appearance when preventing air conditioning system start, reduce the fault rate that the system reported insulation trouble, guarantee the safe and. The utility model discloses simple structure easily realizes. The insulation resistance of the compressor system is greatly improved, and the compressor system is low in cost and reliable. The air conditioner can greatly expand the application range of air conditioner products, and particularly is applicable to the field with high requirements on the insulation resistance of an air conditioner system.
Drawings
Fig. 1 is a system diagram of an air conditioning system with a high insulation resistance value according to embodiment 1 of the present invention in normal operation;
fig. 2 is a system diagram of the air conditioning system with high insulation resistance according to embodiment 1 of the present invention when it is stopped;
fig. 3 is a system diagram of the air conditioning system with high insulation resistance of embodiment 2 of the present invention in normal operation;
fig. 4 is a system diagram of the air conditioning system of embodiment 2 with a high insulation resistance according to the present invention when it is stopped.
The reference numbers in the figures denote:
1. a compressor; 2. an evaporator; 3. a condenser; 4. a throttling device; 5. a three-way valve; 6. a four-way valve; 7. a gas-liquid separator; 8. a two-way valve; 9. an exhaust line; A. a first end; B. a second end; C. a third end; E. a fifth end; F. a sixth terminal; G. a seventh terminal; H. and an eighth end.
Detailed Description
As shown in fig. 1-2, the present invention provides an air conditioning system, comprising:
the air conditioning system comprises a compressor 1, an evaporator 2, a condenser 3 and a throttling device 4, and further comprises a three-way valve 5, an exhaust pipeline 9 and a two-way valve 8 arranged on the exhaust pipeline 9, wherein the exhaust pipeline 9 is communicated with an exhaust port of the compressor 1, one of two connecting ends of the three-way valve 5 is communicated with an air suction port of the compressor 1, the other one of the two connecting ends of the three-way valve 5 is communicated with the exhaust pipeline or is blocked, and the three-way valve 5 and the two-way valve 8 (preferably an electromagnetic valve) can be controlled to disconnect the air suction port and the exhaust port of the compressor 1 respectively after the air conditioning system is stopped.
The utility model discloses a position at the induction port of compressor and gas vent sets up the structural style of three-way valve and two-way valve, make wherein two ends of three-way valve communicate respectively to inhaling of compressor, the gas vent, and control air conditioning system shut down the three-way valve and close the induction port of compressor, the gas vent that the compressor was closed to control two-way valve, thereby the contact of compressor and external pipeline has been closed, control is inhaled carminative and is closed, prevent effectively to shut down the postcondenser, the evaporimeter, during refrigerant continuation migration among the structures such as vapour and liquid separator gets into the compressor, and cause parts such as the inside electrified body of compressor to take place by the condition of erosion, the insulating resistance value low condition appearance when preventing air conditioning system start, reduce the fault rate that the system reported insulation trouble, guarantee the safe and. The utility model discloses simple structure easily realizes. The insulation resistance of the compressor system is greatly improved, and the compressor system is low in cost and reliable. The air conditioner can greatly expand the application range of air conditioner products, and particularly is applicable to the field with high requirements on the insulation resistance of an air conditioner system.
According to research and measurement, the resistivity of the gaseous refrigerant is over 500M omega cm, and the resistivity of the liquid refrigerant is mostly under 20M omega cm. Therefore, the utility model discloses a control air conditioning system refrigerant circulation makes the unable compressor that migrates of liquid refrigerant after the system shut down, improvement compressor insulation resistance by a wide margin of fundamentally.
The utility model discloses an inhale the exhaust mouth for air conditioning system compressor and increase solenoid valve and three-way valve, come control system stop back refrigerant migration to compressor, improve the insulating resistance of compressor to realize improving the insulating resistance of complete machine. The utility model discloses simple structure easily realizes. The insulation resistance of the compressor system is greatly improved, and the compressor system is low in cost and reliable. The air conditioner can greatly expand the application range of air conditioner products, and particularly is applicable to the field with high requirements on the insulation resistance of an air conditioner system.
Preferably, the first and second electrodes are formed of a metal,
the two connection ends of the three-way valve 5 are a first end a and a third end C, wherein the first end a is communicated with a suction port of the compressor 1, and the third end C is communicated with the exhaust pipeline 9 (embodiment 1) or is blocked (embodiment 2). This is the utility model discloses a preferred structural style of three-way valve, first end and the induction port intercommunication of compressor, third end and the gas vent intercommunication of compressor or by the shutoff promptly control the first end and second end, third end and the control two-way valve of this three-way valve promptly and can effectively control the compressor and inhale the gas and close the intercommunication with the external world to prevented in the emigration compressor of refrigerant effectively.
The utility model discloses an inhale the exhaust mouth for air conditioning system compressor and increase three-way valve and two-way valve, come control system stop back refrigerant migration to compressor, improve the insulating resistance of compressor to the realization improves the insulating resistance of complete machine. The utility model discloses simple structure easily realizes. The insulation resistance of the compressor system is greatly improved, and the compressor system is low in cost and reliable. The air conditioner can greatly expand the application range of air conditioner products, and particularly is applicable to the field with high requirements on the insulation resistance of an air conditioner system.
In order to simplify the pipeline structure and facilitate the system layout, the outlet C of the three-way valve may not be connected to the system pipe network, and a plug is directly welded, as shown in fig. 3-4 below.
The alternative scheme has the advantages of convenience in structural layout of the air conditioning system, and has the defects that a pipeline system for separating the compressor cannot form a closed loop, and pressure difference is easily generated locally.
Preferably, the first and second electrodes are formed of a metal,
the three-way valve 5 further comprises a second end B;
still include cross valve 6, cross valve 6 includes four link ends: a fifth end E communicating with the third end C of the three-way valve 5, a sixth end F communicating with the condenser 3, a seventh end G communicating with the second end B of the three-way valve 5, and an eighth end H communicating with the evaporator 2;
when the air conditioning system is started, the three-way valve 5 can be controlled to enable the first end A and the second end B to be communicated and the second end B and the third end C to be disconnected so as to lead the exhaust gas of the compressor out to the condenser through the two-way valve 8 and the four-way valve 6 and lead the outlet gas of the evaporator to the suction port of the compressor through the four-way valve 6 and the three-way valve 5;
when the air conditioning system is stopped, the three-way valve 5 can be controlled to enable the second end B and the third end C to be communicated and the second end B and the first end A to be disconnected, and meanwhile, the two-way valve 8 is controlled to be closed so as to close both the exhaust and the suction of the compressor. The four-way valve is arranged to switch and control the refrigeration mode and the heating mode of the air conditioning system, and the control purposes of normally running the air conditioner during starting and controlling the compressor to be closed during stopping and preventing external refrigerants from entering the compressor can be achieved through the optimal communication control mode between the three-way valve and the four-way valve, so that the insulation resistance value is improved, and short circuit is prevented.
1. The utility model discloses an air conditioning system of compressor suction and exhaust mouth increase solenoid valve and three-way valve, this solenoid valve and three-way valve possess characteristics that big latus rectum, low pressure differential do not have interior hourglass, and this system can obviously improve the insulating resistance of air conditioning system.
2. When the system is powered on and normally starts to operate, the electromagnetic valve is electrified and opened; when the system is shut down and power is off, the electromagnetic valve is powered off and closed, the three-way valve is switched in a reversing way, and the compressor is separated from the pipeline system. The problem that the insulation resistance of the compressor is reduced due to the fact that the refrigerant migrates into the compressor is avoided. Meanwhile, the pipeline system can form a loop through the three-way valve, so that the pressure difference caused by uneven pressure distribution during long-term standing of the system is avoided.
Preferably, the first and second electrodes are formed of a metal,
and the gas-liquid separator 7, wherein the gas-liquid separator 7 is arranged between the second end B of the three-way valve 5 and the seventh end G of the four-way valve 6. The gas-liquid separator can perform gas-liquid separation on the refrigerant entering the suction pipeline of the compressor, so that the refrigerant entering the compressor is prevented from being in a liquid state, and the liquid impact and other conditions are avoided.
Preferably, the first and second electrodes are formed of a metal,
the throttle device 4 is connected to a line between the condenser 3 and the evaporator 2. The throttling device can throttle and reduce the pressure of the refrigerant passing through the condenser, so as to provide conditions for the refrigerant to enter the evaporator.
Preferably, the first and second electrodes are formed of a metal,
the throttling device 4 is an electronic expansion valve. This is the preferred form of construction of the throttling device of the present invention to provide accurate control of the flow of refrigerant in the refrigerant line.
Preferably, the first and second electrodes are formed of a metal,
the compressor 1 is a horizontal compressor. This is the utility model discloses an optimal configuration form of compressor, the probability that electrified parts such as refrigerant submergence electric motor rotor stator appear in horizontal compressor is higher, and the probability that short circuit, start insulation resistance are higher appears, certainly does not confine horizontal compressor yet, the utility model discloses also be applicable to vertical compressor, vertical compressor also has refrigerant migration phenomenon, but because its device position and earth direct contact, ground connection are reliable, and most of vertical compressor plug wire boxes are located the compressor top in addition, and the position is higher, and the refrigerant migration influence is less.
The utility model also provides an air conditioning system's control method, it uses arbitrary preceding arbitrary the air conditioning system who possesses high insulation resistance, control first cross valve can not emigrating into with control refrigerant when air conditioning system closes in the compressor.
The utility model discloses a position at the induction port of compressor and gas vent sets up the structural style of three-way valve and two-way valve, make wherein two ends of three-way valve communicate respectively to inhaling of compressor, the gas vent, and control air conditioning system shut down the three-way valve and close the induction port of compressor, the gas vent that the compressor was closed to control two-way valve, thereby the contact of compressor and external pipeline has been closed, control is inhaled carminative and is closed, prevent effectively to shut down the postcondenser, the evaporimeter, during refrigerant continuation migration among the structures such as vapour and liquid separator gets into the compressor, and cause parts such as the inside electrified body of compressor to take place by the condition of erosion, the insulating resistance value low condition appearance when preventing air conditioning system start, reduce the fault rate that the system reported insulation trouble, guarantee the safe and. The utility model discloses simple structure easily realizes.
Preferably, the first and second electrodes are formed of a metal,
when the three-way valve comprises a first end a, a second end B and a third end C:
when the air conditioning system is closed, controlling the three-way valve to enable the second end B and the third end C to be communicated, meanwhile disconnecting the second end B and the first end A, and simultaneously controlling the two-way valve 8 to be closed;
when the air conditioning system is turned on, the three-way valve is controlled to enable the first end A and the second end B to be communicated and the second end B and the third end C to be disconnected, and meanwhile the two-way valve 8 is controlled to be turned on.
This is the utility model discloses an air conditioning system's prevent that air conditioner from shutting down refrigerant and get into the preferred control form of compressor, control three-way valve promptly when the air conditioner is closed make second end B and third end C communicate, simultaneously second end B and first end A disconnection, control simultaneously two-way valve 8 closes, can control effectively and avoid the refrigerant to get into the compressor through suction line and exhaust pipe especially suction line, prevent that there is the refrigerant to get into the compressor after air conditioning system shuts down and cause the situation that insulation resistance is high to appear; when the air conditioner is turned on, the three-way valve enables the first end A and the second end B to be communicated, the second end B and the third end C to be disconnected, meanwhile, the two-way valve 8 is controlled to be opened, and therefore the normal flowing of a refrigerant in a pipeline of the air conditioning system can be controlled, and the normal operation of the air conditioning system can be maintained.
The utility model discloses technical scheme improves the compressor and even the insulating resistance of air conditioner complete machine by a wide margin through solving the low problem of the especially horizontal compressor insulating resistance of compressor.
The utility model discloses utilize three-way valve and two-way valve body, control switching on and closing in compressor circuit. When the air conditioner is shut down, the relevant valve body is powered off, the compressor is divided into a single part from the air conditioning system, the refrigerant in the system is not communicated with the compressor, and the refrigerant in the system cannot migrate into the compressor. The insulation resistance of the compressor is obviously improved (by more than 20 times).
The technical effects are as follows: the connection and separation of the compressor and the air conditioning system are realized by controlling the related valve bodies, and the insulation resistance value of the compressor and even the whole machine after the system is shut down can be greatly improved. The problems that the insulation resistance value of the compressor, particularly a horizontal compressor air conditioning system, suddenly drops due to the migration of a refrigerant after standing for a long time, and the system cannot be started due to insulation failure reporting and the like can be effectively solved. The scheme fundamentally solves the problem that the insulation resistance value does not meet the standard, and the insulation resistance value is simple in structure, reliable, low in cost and easy to realize.
1. The utility model discloses the compressor system who possesses high insulation resistance comprises compressor, solenoid valve cross valve, condenser, choke valve, evaporimeter, gas branch three-way valve etc. closes and the switching-over of three-way valve outage through the control solenoid valve outage, realizes going out the compressor from the system separation after shutting down. The refrigerant is prevented from migrating to the interior of the compressor, so that a large amount of liquid refrigerant is accumulated in the compressor, and the insulation resistance value of the compressor and even an air conditioning system is prevented from suddenly dropping.
2. When the system normally operates, as shown in fig. 1, the system is powered on, the electromagnetic valve is opened after being powered on, and the three-way valve AB is conducted. The refrigerant is discharged from the exhaust port of the compressor, passes through the electromagnetic valve, the four-way valve, the condenser, the throttle valve, the evaporator, the four-way valve, the air separator and the three-way valve in sequence, and then returns to the compressor from the air suction pipe of the compressor, so that a cycle is completed.
3. The system is shut down and shut down, the electromagnetic valve is shut down, the three-way valve is switched on when power is cut off, the compressor is separated from the system by the electromagnetic valve and the three-way valve, and the refrigerant cannot circulate between the compressor and a system pipe network. The compressor only stores gaseous refrigerant when the compressor is shut down, and the insulation resistance of the compressor cannot be reduced due to the accumulated liquid refrigerant even if the compressor is placed for a long time.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An air conditioning system characterized by: the method comprises the following steps:
compressor (1), evaporimeter (2), condenser (3) and throttling arrangement (4), just air conditioning system still includes three-way valve (5), exhaust pipe (9) and two-way valve (8) that set up on exhaust pipe (9), exhaust pipe (9) with the gas vent intercommunication of compressor (1), one of wherein two link of three-way valve (5) with the induction port intercommunication of compressor (1), another with exhaust pipe intercommunication or by the shutoff, three-way valve (5) with two-way valve (8) can be in air conditioning system shut down the back be controlled and with compressor (1) the induction port with the gas vent is disconnected connection respectively.
2. The air conditioning system of claim 1, wherein:
the two connecting ends of the three-way valve (5) are a first end (A) and a third end (C), wherein the first end (A) is communicated with a suction port of the compressor (1), and the third end (C) is communicated with the exhaust pipeline (9) or is blocked.
3. The air conditioning system of claim 2, wherein:
the three-way valve (5) further comprises a second end (B);
still include cross valve (6), cross valve (6) include four link: a fifth end (E) communicating with the third end (C) of the three-way valve (5), a sixth end (F) communicating with the condenser (3), a seventh end (G) communicating with the second end (B) of the three-way valve (5), and an eighth end (H) communicating with the evaporator (2);
when the air conditioning system is started, the three-way valve (5) can be controlled to enable the first end (A) and the second end (B) to be communicated and the second end (B) and the third end (C) to be disconnected, meanwhile, the two-way valve (8) is controlled to be opened, so that exhaust gas of a compressor is led out to the condenser through the two-way valve (8) and the four-way valve (6), and meanwhile, the outlet gas of the evaporator is led to a suction port of the compressor through the four-way valve (6) and the three-way valve (5);
when the air conditioning system is stopped, the three-way valve (5) can be controlled to enable the second end (B) and the third end (C) to be communicated and the second end (B) and the first end (A) to be disconnected, and meanwhile, the two-way valve (8) is controlled to be closed so as to close both the exhaust and the suction of the compressor.
4. The air conditioning system of claim 3, wherein:
and the gas-liquid separator (7), wherein the gas-liquid separator (7) is arranged between the second end (B) of the three-way valve (5) and the seventh end (G) of the four-way valve (6).
5. The air conditioning system according to any one of claims 1 to 4, characterized in that:
the two-way valve (8) is an electromagnetic valve.
6. The air conditioning system according to any one of claims 1 to 4, characterized in that:
the throttling device (4) is connected to a pipeline between the condenser (3) and the evaporator (2).
7. The air conditioning system of claim 6, wherein:
the throttling device (4) is an electronic expansion valve.
8. The air conditioning system according to any one of claims 1 to 4, characterized in that:
the compressor (1) is a horizontal compressor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921692226.7U CN210602321U (en) | 2019-10-08 | 2019-10-08 | Air conditioning system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921692226.7U CN210602321U (en) | 2019-10-08 | 2019-10-08 | Air conditioning system |
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CN210602321U true CN210602321U (en) | 2020-05-22 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110595098A (en) * | 2019-10-08 | 2019-12-20 | 珠海格力电器股份有限公司 | Air conditioning system and control method |
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2019
- 2019-10-08 CN CN201921692226.7U patent/CN210602321U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110595098A (en) * | 2019-10-08 | 2019-12-20 | 珠海格力电器股份有限公司 | Air conditioning system and control method |
CN110595098B (en) * | 2019-10-08 | 2024-07-05 | 珠海格力电器股份有限公司 | Air conditioning system and control method |
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