CN208567193U - Air-conditioning system - Google Patents

Air-conditioning system Download PDF

Info

Publication number
CN208567193U
CN208567193U CN201820884349.XU CN201820884349U CN208567193U CN 208567193 U CN208567193 U CN 208567193U CN 201820884349 U CN201820884349 U CN 201820884349U CN 208567193 U CN208567193 U CN 208567193U
Authority
CN
China
Prior art keywords
connecting tube
air
conditioning system
heat exchanger
switch device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201820884349.XU
Other languages
Chinese (zh)
Inventor
周向阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Handan Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Handan Midea Air Conditioning Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Handan Midea Air Conditioning Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201820884349.XU priority Critical patent/CN208567193U/en
Application granted granted Critical
Publication of CN208567193U publication Critical patent/CN208567193U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

The utility model discloses a kind of air-conditioning system, including compressor, four-way valve, indoor heat exchanger, first throttling device and outdoor heat exchanger, compressor, four-way valve, indoor heat exchanger, first throttling device and outdoor heat exchanger are sequentially connected to form refrigerant circulation circuit;Air-conditioning system further includes the recycling flow path of the refrigerant in parallel with first throttling device, recycling flow path includes liquid reserve tank, the first connecting tube being connected between liquid reserve tank and outdoor heat exchanger and the second connecting tube being connected between indoor heat exchanger and liquid reserve tank, first connecting tube is equipped with first switch device, first switch device is used for the first connecting tube of on or off, second switch device is provided in second connecting tube, second switch device is used for the second connecting tube of on or off.The utility model air-conditioning is opened in stopping process by control switch device refrigerant-recovery into liquid reserve tank, to be reduced to refrigerant leakage.

Description

Air-conditioning system
Technical field
The utility model relates to air-conditioning technical field, in particular to a kind of air-conditioning system.
Background technique
Common refrigerant is generally R410A in air conditioner, although refrigerant R410A ozone-depleting is dived, value (ODP) is zero, But global warming potential (GWP) is higher.As international community is to the pay attention to day by day of greenhouse effects, need to find ODP be zero, The lesser refrigerant of GWP replaces refrigerant R410A, and the refrigerant for meeting this requirement has R32, R290 refrigerant, however R32, R290 refrigerant has combustibility, will necessarily bring certain security risk, such as when air conditioner is out of service, if stopping process When there are abnormal conditions, so that a large amount of refrigerants leak, without wind disturbance in room, easily there is partial cooling agent concentration over-standard, Once fire will be caused by encountering fire source.When there are abnormal conditions in stopping process and refrigerant is caused to leak in existing air-conditioning, Typically measure be setting detection device, by issue prompt early warning fire preventing occur, however this mode can only do it is pre- It is anti-, it can not fundamentally solve the problems, such as to prevent refrigerant from leaking.
Utility model content
The main purpose of the utility model is to provide a kind of air-conditioning system, it is intended to solve in the prior art, air conditioner is stopping When occurring abnormal conditions during machine and refrigerant is caused to leak, precautionary measures can only be done, and cannot fundamentally solve to prevent The problem of refrigerant leaks.
To achieve the above object, the utility model proposes a kind of air-conditioning system, the air-conditioning system includes compressor, four Port valve, indoor heat exchanger, first throttling device and outdoor heat exchanger, the compressor, four-way valve, indoor heat exchanger, first Throttling set and outdoor heat exchanger are sequentially connected to form refrigerant circulation circuit;The air-conditioning system further includes and described first The recycling flow path of the refrigerant of throttling set parallel connection, the recycling flow path include liquid reserve tank, are connected to the liquid reserve tank and the room The first connecting tube between external heat exchanger and the second connecting tube being connected between the indoor heat exchanger and the liquid reserve tank, First connecting tube is equipped with first switch device, and the first switch device is for the first connection described on or off It manages, second switch device is provided in second connecting tube, the second switch device is for described on or off second Connecting tube.
In other embodiments, the first switch device and the second switch device are the first solenoid valve.
In other embodiments, the first switch device is triple valve, and the first interface end of the triple valve connects institute Outdoor heat exchanger is stated, the second interface end of the triple valve connects the first throttling device, the third interface of the triple valve End connects first connecting tube;The second switch device is second solenoid valve, and the second solenoid valve is for being connected or cutting Only second connecting tube.
In other embodiments, the air-conditioning system further includes third solenoid valve, is arranged in first connecting tube State third solenoid valve.
In other embodiments, the air-conditioning system further includes second throttling device, first connecting tube and described the The second throttling device is respectively arranged in two connecting tubes.
In other embodiments, the second throttling device is throttle capillary tube.
In other embodiments, first connecting tube is less than second connecting tube at a distance from the liquid reserve tank bottom At a distance from the liquid reserve tank bottom.
In other embodiments, the air-conditioning system further includes multiple temperature sensors, and the temperature sensor is set respectively It is placed on the exhaust outlet and outdoor heat exchanger of compressor.
In other embodiments, the air-conditioning system further includes control circuit, and the switching device and the temperature pass Sensor is connect with the control circuit.
Technical solutions of the utility model are by liquid reserve tank in parallel in the first throttling device, and in the liquid reserve tank Connection or cut-off that switching device controls indoor heat exchanger and liquid reserve tank are set in the first connecting tube and the second connecting tube, control institute It states outdoor heat exchanger and is connected to or ends with the liquid reserve tank, in this way, air-conditioning in stopping process, is opened by control switch device Refrigerant-recovery into liquid reserve tank, to be reduced to refrigerant leakage.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model air-conditioning system;
Fig. 2 is the structural schematic diagram of the utility model air-conditioning system second embodiment;
Fig. 3 is the structural schematic diagram of the utility model air-conditioning system 3rd embodiment.
Drawing reference numeral explanation:
Label Title Label Title
10 Compressor 11 Four-way valve
12 Indoor heat exchanger 13 First throttling device
14 Outdoor heat exchanger 15 Liquid reserve tank
16 First switch device 17 Second switch device
18 Second throttling device 19 Temperature sensor
20 Control circuit 21 Third solenoid valve
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model Protection scope within.
The utility model proposes a kind of air-conditioning systems, when preventing air conditioner from occurring abnormal conditions in stopping process, system Cryogen leaks into interior, brings certain security risk.
Referring to Fig.1, Fig. 1 is the structural schematic diagram of one embodiment of the utility model air-conditioning system.
In the utility model embodiment, which includes: that the air-conditioning system includes compressor 10, four-way valve 11, indoor heat exchanger 12, first throttling device 13 and outdoor heat exchanger 14, the compressor 10, four-way valve 11, indoor heat exchange Device 12, first throttling device 13 and outdoor heat exchanger 14 are sequentially connected to form refrigerant circulation circuit;The air-conditioning system is also Recycling flow path including the refrigerant in parallel with the first throttling device 13, the recycling flow path include liquid reserve tank 15, are connected to The first connecting tube between the liquid reserve tank 15 and the outdoor heat exchanger 14 and it is connected to the indoor heat exchanger 12 and institute The second connecting tube between liquid reserve tank 15 is stated, first connecting tube is equipped with first switch device 16, the first switch dress 16 are set for the first connecting tube described on or off, is provided with second switch device 17 in second connecting tube, described the Two switching devices 17 are for the second connecting tube described on or off.
In process of refrigerastion, the compressed high temperature and pressure refrigerant of compressor 10 flows to the outdoor through the four-way valve 11 and changes Hot device 14, refrigerant flow to the first throttling device 13 and throttle, through first throttle after 14 condensing heat-exchange of outdoor heat exchanger Device 13 forms low pressure refrigerant after throttling, then flows to the indoor heat exchanger 12, cold after 12 evaporation and heat-exchange of indoor heat exchanger Matchmaker flows back into the compressor 10.When air conditioner is out of service, if there are abnormal conditions refrigerant is let out from indoor unit It leaks, without wind disturbance in room, partial cooling agent concentration over-standard easily occurs, once fire will be caused by encountering fire source.Therefore every Before secondary air conditioner is shut down, the first switch device 16 controlled in first connecting tube is opened, and passes through first connecting tube By the refrigerant recovering in refrigerant circulation circuit into the liquid reserve tank 15, and (by refrigerant after preset time such as 15S or 30S After refrigerant on circulation loop is all recovered to liquid reserve tank 15), then entire air conditioner power-off is controlled, playing fundamentally prevents refrigerant The effect of leakage, and refrigerant is recycled after the outdoor heat exchanger 14 in refrigerant, effectively it can prevent refrigerant from changing through interior Hot device 12 leaks into interior, improves the security performance of entire air-conditioning system.It is understood that at this point, second connecting tube On second switch device 17 need to close.When air conditioner is again started up, first switch device 16 and second switch device 17 are beaten It opens, refrigerant is flowed into refrigeration system from liquid reserve tank 15 and recycled.
In heating operations, the compressed high temperature and pressure refrigerant of compressor 10 flows to the interior through the four-way valve 11 and changes Hot device 12, refrigerant flow to the first throttling device 13 and throttle, through first throttle after 12 condensing heat-exchange of indoor heat exchanger Device 13 forms low pressure refrigerant after throttling, then flows to the outdoor heat exchanger 14, cold after 14 evaporation and heat-exchange of outdoor heat exchanger Matchmaker flows back into the compressor 10.When air conditioner is out of service, if there are abnormal conditions refrigerant is let out from indoor unit It leaks, without wind disturbance in room, partial cooling agent concentration over-standard easily occurs, once fire will be caused by encountering fire source.Therefore every Before secondary air conditioner is shut down, the second switch device 17 controlled in second connecting tube is opened, and passes through second connecting tube By the refrigerant recovering in refrigerant circulation circuit into the liquid reserve tank 15, and (by refrigerant after preset time such as 15S or 30S After refrigerant on circulation loop is all recovered to liquid reserve tank 15), play the role of fundamentally preventing coolant leakage, and pass through in refrigerant It crosses and recycles refrigerant after the indoor heat exchanger 12, can effectively prevent coolant leakage to interior, improve entire air-conditioning system Security performance.It is understood that at this point, the first switch device 16 in first connecting tube needs to close.When air conditioner again When secondary starting, first switch device 16 and second switch device 17 are opened, and refrigerant is flowed into refrigeration system from liquid reserve tank 15 and recycled.
It is understood that the air-conditioning system further includes control circuit 20, the first switch device 16 and described Two switching devices 17 are connect with the control circuit 20, and the first switch device 16 and the second switch device 17 are normal Closed form switching device, the first switch device 16 and the second switch device 17 are in the opening control for receiving control circuit 20 It is just opened when instruction.Preferably, the compressor 10 is frequency-changeable compressor 10 or invariable frequency compressor 10.
The present embodiment is by liquid reserve tank 15 in parallel in the first throttling device 13, and the first of the liquid reserve tank 15 Connection or cut-off that switching device controls indoor heat exchanger 12 and liquid reserve tank 15 are set in connecting tube and the second connecting tube, control institute It states outdoor heat exchanger 14 and is connected to or ends with the liquid reserve tank 15, in this way, leading to when abnormal conditions occurs in stopping process in air-conditioning Control switch device is crossed to open so that refrigerant-recovery into liquid reserve tank 15, to be reduced to refrigerant leakage.The present embodiment air-conditioning system Simple and reasonable, flexible operation, air conditioner safe and reliable, applied widely
Further, referring to Fig. 2, in the utility model air-conditioning system second embodiment, the first switch device 16 is Triple valve, the first interface end of the triple valve connect the outdoor heat exchanger 14, the second interface end connection of the triple valve The third interface end of the first throttling device 13, the triple valve connects first connecting tube;The second switch device 17 be second solenoid valve, and the second solenoid valve is for the second connecting tube described on or off.
It is understood that in the present embodiment, between the outdoor heat exchanger 14 and the liquid reserve tank 15 is connected One connecting tube realizes on or off by the triple valve, and the specific triple valve is arranged in the outdoor heat exchanger 14 and institute It states between first throttling device 13, between the first interface end of the triple valve and second throttling end when being connected, described the End between one interface end and the third interface end, when being connected between the first interface end and the third interface end, institute State and end between first interface end and the second interface end, the specific triple valve when being powered, the first interface end with Be connected between the third interface end, the triple valve when power is off, between the first interface end and the second interface end Conducting.Namely in cooling mode, when air conditioner receives shutdown command, control circuit 20 controls the triple valve and is powered, It is connected between the first interface end and the third interface end, the refrigerant in refrigerant circulation circuit is returned through first connecting tube It receives in the liquid reserve tank 15, ends between the first interface end and the second interface end, it is cold in refrigerant circulation circuit Matchmaker cannot flow to the indoor heat exchanger 12, to prevent refrigerant from leaking into interior on the indoor heat exchanger 12, when default Between as (after the refrigerant in refrigerant circulation circuit is all recovered to liquid reserve tank 15), control air conditioner complete machine is disconnected after 15S or 30S Electricity.
The second connecting tube be connected between the indoor heat exchanger 12 and the liquid reserve tank 15 passes through the second solenoid valve Realize on or off, it is normal-closed electromagnetic valve that the specific second solenoid valve is identical as first solenoid valve, in heating mould Under formula, when air conditioner receives shutdown command, the control circuit 20 controls the second solenoid valve and opens, and described second connects Adapter tube is connected, and the refrigerant in refrigerant circulation circuit is recovered in the liquid reserve tank 15 through second connecting tube, in preset time As (after the refrigerant in refrigerant circulation circuit is all recovered to liquid reserve tank 15), control air conditioner complete machine is powered off after 15S or 30S. It is understood that in a heating mode, the triple valve can be energized state, at this time the first interface end and described second End between interface end, the refrigerant in refrigerant circulation circuit cannot flow through the first throttling device 13, all flow into the storage In liquid case 15.
Based on this, by setting, wherein first switch device 16 is triple valve in the present embodiment, in the refrigerant circulation It is selectively connected between circuit and the recycling flow path, so before being powered off, by controlling the cut-off of the refrigerant circulation circuit, Refrigerant on circuit can only select recycling flow path to enter the liquid reserve tank 15, improve refrigerant recovering efficiency.
For the ease of controlling the on or off of first connecting tube, the air-conditioning system further includes third solenoid valve 21, the third solenoid valve 21 is provided in first connecting tube.The third electromagnetism is set in first connecting tube Valve 21, the third solenoid valve 21 is identical as the second solenoid valve, is also normal-closed electromagnetic valve, when receiving control instruction It just opens, for controlling the conducting of first connecting tube, wherein first connecting tube also sets up the third solenoid valve 21 First connecting tube described on or off can control 13 flow path of first throttling device in heating mode by triple valve While cut-off, the described first pipe cut-off in succession is controlled by the third solenoid valve 21, is prevented cold in the liquid reserve tank 15 Matchmaker flows to the compressor 10 by first connecting tube.
Further, referring to Fig. 3, the present embodiment is implemented based on the third for the air-conditioning system that above-mentioned all embodiments propose Example, the air-conditioning system further includes second throttling device 18, is respectively set in first connecting tube and second connecting tube There is the second throttling device 18.The second throttling device 18 is throttle capillary tube.
In the present embodiment, the second throttling device is respectively provided in first connecting tube and second connecting tube 18, when by refrigerant recovering into the liquid reserve tank 15,18 reducing pressure by regulating flow of second throttling device can be first passed through, is avoided the occurrence of Fluid reservoir hypertonia and rupture.
Refrigerant is carried out based on second throttling device 18 is provided in first connecting tube and second connecting tube Reducing pressure by regulating flow, in this way, when air conditioner is run under bad working environments system can be added to by the refrigerant in the liquid reserve tank 15 In, such as in cooling mode, open the second switch device 17 in second connecting tube, when running under bad working environments, institute Liquid reserve tank 15 is stated to pass through on the second connecting tube coolant adding to the refrigerant circulation circuit.As in a heating mode, open First switch device 16 in first connecting tube, when running under bad working environments, the liquid reserve tank 15 passes through described first On connecting tube coolant adding to the refrigerant circulation circuit.Therefore first connecting tube or second connecting tube protrude into the storage Certain length is arranged at the bottom of liquid case 15, and in the present embodiment, first connecting tube is at a distance from 15 bottom of liquid reserve tank Less than second connecting tube at a distance from 15 bottom of liquid reserve tank, first connecting tube is close to the bottom of the liquid reserve tank 15 Portion, can be by the first connecting tube coolant adding into refrigerant circulation circuit.
Further, in other embodiments, the air-conditioning system further includes multiple temperature sensors 19, and the temperature passes Sensor 19 is respectively arranged on the exhaust outlet and outdoor heat exchanger 14 of compressor 10, for detecting 10 exhaust outlet of compressor Delivery temperature and outdoor environment temperature, the temperature sensor 19 connect with the control circuit 20, the temperature sensing When device 19 detects delivery temperature and outdoor environment temperature, send temperature value detected in the controller.
Multiple temperature sensors 19 are set in the utility model air-conditioning system, and one of temperature sensor 19 is for detecting 10 exhaust port temperatures of compressor can be by controlling the first switch device 16 and described second if excessive discharge temperature Opening or closing to reduce the delivery temperature for switching device 17, avoids 10 temperature of compressor excessively high, damage compressor 10 Situation occurs.
Such as when air conditioner in the process of running, when there is delivery temperature greater than Tp DEG C, control circuit 20 controls described first Switching device 16 and the second switch device 17 are opened, and part refrigerant flows into the liquid reserve tank 15, reduce refrigerant circulation The delivery temperature of 10 exhaust outlet of circuit compressor closes the first switch device 16 and institute after delivery temperature drops to Tx DEG C Second switch device 17 is stated, to realize the adjusting of 10 delivery temperature of compressor.Wherein, TP is 110 DEG C, and Tx DEG C is 105 DEG C.
Further, in order to improve adjusting efficiency, the accuracy of judgement is improved, one of them described temperature sensor 19 is set It sets on the outdoor heat exchanger 14, for detecting outdoor environment temperature, passes through the combination of outdoor environment temperature and delivery temperature Judgement, determines whether the temperature of compressor 10 is excessively high, and cooling adjusting is carried out when excessively high.
Such as when on air conditioner electricity operation detect outdoor environment temperature sensor 19 after a certain period of time, according to air conditioner run mould Formula and the outdoor environment temperature detected judge whether the delivery temperature of system is normal, and different outdoor environment temperatures is corresponding different Delivery temperature.System is added or reduced by control first switch device 16 and opening or closing for second switch device 17 The refrigeration dose of cooling system operation.
Refrigeration mode operation under, according to outdoor environment temperature and delivery temperature determine refrigeration system refrigeration dose whether Within a preset range, if refrigerating capacity is few, control circuit 20 controls the first switch device 16 and opens, and connects by described first Adapter tube coolant adding controls the first switch device 16 and closes after delivery temperature is reduced to Ts DEG C of set temperature.If refrigeration Measure more, control circuit 20 controls the second switch device 17 and opens, and recycles refrigerant by second connecting tube, works as exhaust After temperature is increased to Tx DEG C of set temperature, control circuit 20 controls the second switch device 17 and closes.
Heating mode operation under, according to outdoor environment temperature and delivery temperature determine refrigeration system refrigeration dose whether In preset range, if refrigerating capacity is few, control circuit 20 controls the first switch device 16 and opens, and connects by described first Pipe recycles refrigerant, after delivery temperature is reduced to Ts DEG C of set temperature, controls the first switch device 16 and closes.If refrigerating capacity More, control circuit 20 controls the second switch device 17 and opens, by the second connecting tube coolant adding, when exhaust temperature After degree is increased to Ts DEG C of set temperature, control circuit 20 controls the second switch device 17 and closes.
Judgement system running state based on outdoor environment temperature and delivery temperature, when system requires supplementation with refrigerant, By 15 coolant adding of liquid reserve tank, when system needs to reduce refrigerant, refrigerant, realization pair are recycled by the liquid reserve tank 15 The adjusting of cooling and warming circulatory system refrigerant determines that the refrigeration effect under bad working environments keeps good.
Air-conditioning system further includes the frequency sensor (not shown) for detecting the running frequency parameter of the compressor 10, The frequency sensor is connect with the control circuit 20.In the present embodiment, setting frequency sensor detects compressor 10 Real time execution frequency fills so that the first switch is adjusted according to the running frequency that frequency sensor detects in control circuit 20 Set the opening duration of 16 and the second switch device 17;So further increase the refrigerant recovering rate of air-conditioning system.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (9)

1. a kind of air-conditioning system, which is characterized in that the air-conditioning system includes compressor, four-way valve, indoor heat exchanger, first segment Flow device and outdoor heat exchanger, the compressor, four-way valve, indoor heat exchanger, first throttling device and outdoor heat exchanger It is sequentially connected to form refrigerant circulation circuit;The air-conditioning system further includes returning for the refrigerant in parallel with the first throttling device Flow path is received, the recycling flow path includes liquid reserve tank, first be connected between the liquid reserve tank and the outdoor heat exchanger connection Manage and be connected to the second connecting tube between the indoor heat exchanger and the liquid reserve tank, first connecting tube is equipped with the One switching device, the first switch device are used for the first connecting tube described on or off, are arranged in second connecting tube There is second switch device, the second switch device is for the second connecting tube described on or off.
2. air-conditioning system as described in claim 1, which is characterized in that the first switch device and second switch dress Setting is the first solenoid valve.
3. air-conditioning system as described in claim 1, which is characterized in that the first switch device is triple valve, the threeway The first interface end of valve connects the outdoor heat exchanger, and the second interface end of the triple valve connects the first throttling device, The third interface end of the triple valve connects first connecting tube;The second switch device is second solenoid valve, described the Two solenoid valves are for the second connecting tube described on or off.
4. air-conditioning system as claimed in claim 3, which is characterized in that the air-conditioning system further includes third solenoid valve, described The third solenoid valve is provided in first connecting tube.
5. the air-conditioning system as described in claim 1-4 any one, which is characterized in that the air-conditioning system further includes the second section Device is flowed, is respectively arranged with the second throttling device in first connecting tube and second connecting tube.
6. air-conditioning system as claimed in claim 5, which is characterized in that the second throttling device is throttle capillary tube.
7. air-conditioning system as claimed in claim 6, which is characterized in that first connecting tube and the liquid reserve tank bottom away from From be less than second connecting tube at a distance from the liquid reserve tank bottom.
8. the air-conditioning system as described in claim 1-4 any one, which is characterized in that the air-conditioning system further includes multiple temperature Sensor is spent, the temperature sensor is respectively arranged on the exhaust outlet and outdoor heat exchanger of compressor.
9. air-conditioning system as claimed in claim 8, which is characterized in that the air-conditioning system further includes control circuit, and described One switching device, second switch device and the temperature sensor are connect with the control circuit.
CN201820884349.XU 2018-06-07 2018-06-07 Air-conditioning system Active CN208567193U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820884349.XU CN208567193U (en) 2018-06-07 2018-06-07 Air-conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820884349.XU CN208567193U (en) 2018-06-07 2018-06-07 Air-conditioning system

Publications (1)

Publication Number Publication Date
CN208567193U true CN208567193U (en) 2019-03-01

Family

ID=65485353

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820884349.XU Active CN208567193U (en) 2018-06-07 2018-06-07 Air-conditioning system

Country Status (1)

Country Link
CN (1) CN208567193U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110542235A (en) * 2019-09-12 2019-12-06 广东美的制冷设备有限公司 Air conditioner, control method and device thereof, and computer-readable storage medium
CN110595124A (en) * 2019-09-06 2019-12-20 宁波奥克斯电气股份有限公司 Control method and control device of air conditioner, computer readable storage medium and air conditioner
CN112413860A (en) * 2020-11-12 2021-02-26 珠海格力电器股份有限公司 Control method and system for air conditioning system of machine room
CN112665226A (en) * 2020-12-15 2021-04-16 珠海格力电器股份有限公司 Air conditioning system and control method thereof
CN114812020A (en) * 2022-04-24 2022-07-29 珠海格力电器股份有限公司 Refrigerating system, air conditioner and control method of refrigerating system
CN115899851A (en) * 2022-10-11 2023-04-04 珠海格力电器股份有限公司 Outdoor unit of water source multi-split air conditioner, water source multi-split air conditioner system and control method of water source multi-split air conditioner system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110595124A (en) * 2019-09-06 2019-12-20 宁波奥克斯电气股份有限公司 Control method and control device of air conditioner, computer readable storage medium and air conditioner
CN110542235A (en) * 2019-09-12 2019-12-06 广东美的制冷设备有限公司 Air conditioner, control method and device thereof, and computer-readable storage medium
CN110542235B (en) * 2019-09-12 2021-03-02 广东美的制冷设备有限公司 Air conditioner, control method and device thereof, and computer-readable storage medium
CN112413860A (en) * 2020-11-12 2021-02-26 珠海格力电器股份有限公司 Control method and system for air conditioning system of machine room
CN112665226A (en) * 2020-12-15 2021-04-16 珠海格力电器股份有限公司 Air conditioning system and control method thereof
CN112665226B (en) * 2020-12-15 2024-04-12 珠海格力电器股份有限公司 Air conditioning system and control method thereof
CN114812020A (en) * 2022-04-24 2022-07-29 珠海格力电器股份有限公司 Refrigerating system, air conditioner and control method of refrigerating system
CN115899851A (en) * 2022-10-11 2023-04-04 珠海格力电器股份有限公司 Outdoor unit of water source multi-split air conditioner, water source multi-split air conditioner system and control method of water source multi-split air conditioner system

Similar Documents

Publication Publication Date Title
CN208567193U (en) Air-conditioning system
KR101479458B1 (en) Refrigeration device
KR101917941B1 (en) Air conditioner and control method thereof
CN103807917A (en) Air conditioner and air supply control method applied to same
CN107421072B (en) Air conditioner and high-temperature-resistant control method thereof
JP2000179971A (en) Refrigerating device
CN103398520A (en) Air conditioning system and method for detecting liquid level of air-liquid separator of air conditioning system
WO2019144616A1 (en) Heat pump system and defrosting control method therefor
US20220187001A1 (en) Air conditioner and method for controlling air conditioner
WO2012042692A1 (en) Refrigeration cycle device
CN106705305A (en) Air conditioner and detecting method for working state of heat accumulating assembly for air conditioner
EP3591311B1 (en) Refrigeration cycle device
CN115289553A (en) Multi-split air conditioning system
CN104165422A (en) Water side heat exchange system, water source heat pump air conditioner and control method thereof
CN103913005A (en) Refrigeration system, control method for same, and air conditioner with refrigeration system
EP3663681B1 (en) Refrigeration device
CN114110920A (en) Control method of air conditioner and air conditioner
US20220282885A1 (en) Expansion valve control method for multi-connection air-conditioning system
KR102438933B1 (en) Air Conditioner and Control Method thereof
CN104110740B (en) Air conditioning system and control method thereof
CN220287825U (en) Refrigerant system and air conditioner
CN111854217A (en) Air conditioning system without reversing defrosting and working method thereof
CN218884341U (en) Air conditioning system
CN114992778B (en) Anti-freezing control method of air conditioning unit
AU2021275207B2 (en) Heat pump system and controller for controlling operation of the same

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant