CN107504706A - Air conditioner and its fast-refrigerating method - Google Patents

Air conditioner and its fast-refrigerating method Download PDF

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Publication number
CN107504706A
CN107504706A CN201710656022.7A CN201710656022A CN107504706A CN 107504706 A CN107504706 A CN 107504706A CN 201710656022 A CN201710656022 A CN 201710656022A CN 107504706 A CN107504706 A CN 107504706A
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CN
China
Prior art keywords
storage tank
air conditioner
compressor
refrigerating
gaseous coolant
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.)
Granted
Application number
CN201710656022.7A
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Chinese (zh)
Other versions
CN107504706B (en
Inventor
马韵华
顾超
国德防
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.)
Hefei Haier Air Conditioning Electronic Co ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioning Electric Co Ltd
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Filing date
Publication date
Application filed by Qingdao Haier Air Conditioning Electric Co Ltd filed Critical Qingdao Haier Air Conditioning Electric Co Ltd
Priority to CN201710656022.7A priority Critical patent/CN107504706B/en
Publication of CN107504706A publication Critical patent/CN107504706A/en
Application granted granted Critical
Publication of CN107504706B publication Critical patent/CN107504706B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/006Accumulators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/12Sound
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/25Control of valves
    • F25B2600/2519On-off valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19Pressures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19Pressures
    • F25B2700/193Pressures of the compressor
    • F25B2700/1933Suction pressures

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention belongs to air-conditioning technical field, and in particular to a kind of air conditioner and its fast-refrigerating method.Present invention seek to address that existing air conditioner is during fast-refrigerating, high noise, the problem of energy consumption is big.For this purpose, the air conditioner of the present invention includes outdoor heat exchanger, indoor heat exchanger and compressor, the air conditioner also includes the first storage tank, and first storage tank is connected by the first connecting tube with the air inlet pipeline of the compressor, and is provided with first switch valve in first connecting tube;The first switch valve is opened under fast-refrigerating pattern, so that the part gaseous coolant of the air inlet pipeline of the compressor enters first storage tank, so as to reduce the pressure of inspiration(Pi) of the compressor.The present invention is by the variation of short period of pressure in air conditioner refrigerating circulation, to realize the purpose of fast-refrigerating, without by way of the change of wind speed or the frequency of compressor, so as to reduce the increase of noise, energy consumption.

Description

Air conditioner and its fast-refrigerating method
Technical field
The invention belongs to air-conditioning technical field, and in particular to a kind of air conditioner and its fast-refrigerating method.
Background technology
With the continuous improvement of people's quality of life, requirement of the people to surrounding and quality of life is also progressively carrying It is high.While being flourished with air-conditioning industry, requirement of the people to air-conditioning also more and more higher.In order to further lift user's body Test, air-conditioning is just run with specified or larger refrigerating capacity starting in the short time, this is just carried to the refrigerating speed of air-conditioning Higher requirement is gone out.At present, traditional air conditioner can only be improved by the change of wind speed or the frequency of change compressor The refrigerating capacity of air conditioner, and this mode can bring larger noise and energy consumption.
Therefore, this area needs a kind of new air conditioner and method to solve the above problems.
The content of the invention
In order to solve above mentioned problem of the prior art, be the existing air conditioner of solution during fast-refrigerating, make an uproar The problem of pitch, big energy consumption, air conditioner of the invention, including outdoor heat exchanger, indoor heat exchanger and compressor, the air conditioner Also include the first storage tank, first storage tank is connected by the first connecting tube with the air inlet pipeline of the compressor, and institute State and first switch valve is provided with the first connecting tube;The first switch valve is opened under fast-refrigerating pattern, so that the pressure The part gaseous coolant of the air inlet pipeline of contracting machine enters first storage tank, so as to reduce the pressure of inspiration(Pi) of the compressor.
In the preferred embodiment of above-mentioned air conditioner, first storage tank also includes what is connected with the air inlet pipeline Second connecting tube, second switch valve is provided with second connecting tube;The second switch valve shut down in the air conditioner or Front opening is shut down so that the gaseous coolant in first storage tank is released to the circulation line of air conditioner.
In the preferred embodiment of above-mentioned air conditioner, the of normally open is provided with the air inlet pipeline of the compressor Three switch valves.
In the preferred embodiment of above-mentioned air conditioner, the air conditioner also includes depositing for storing the second of liquid refrigerants Storage tank, second storage tank are arranged on the pipeline between the outdoor heat exchanger and the indoor heat exchanger;Quickly making Under chill formula, at least a portion of the liquid refrigerants in second storage tank is released to the circulation line of the air conditioner.
In the preferred embodiment of above-mentioned air conditioner, gas-liquid separator is connected with the air inlet pipeline of the compressor, To prevent liquid to be sucked into the compressor.
Present invention also offers a kind of fast-refrigerating method of air conditioner, this method comprises the following steps:Compressor is entered The part gaseous coolant of air pipe is transferred to the first storage tank;Wherein, first storage tank by the first connecting tube with it is described The air inlet pipeline connection of compressor.
In the preferred embodiment of the above method, methods described also includes:Detect first storage tank and the pressure The gas pressure of contracting machine air inlet pipeline;When first storage tank is equal with the gas pressure on the compressor inleting pipe road, The gaseous coolant of the compressor inleting pipe is set not enter back into first storage tank;When the described first storage pressure tank is less than institute When stating the gas pressure on compressor inleting pipe road, continue the part gaseous coolant on compressor inleting pipe road being transferred to the first storage Tank.
In the preferred embodiment of the above method, methods described also includes:Before air conditioner shutdown, by described first Gaseous coolant in storage tank is discharged into the circulation line of the air conditioner.
In the preferred embodiment of the above method, " the part gaseous coolant on compressor inleting pipe road is being transferred to While one storage tank ", before or after, methods described also includes:At least part liquid stored in second storage tank is cold Matchmaker is discharged into the circulation line of the air conditioner, wherein, second storage tank is arranged at the outdoor heat exchanger and the room On pipeline between interior heat exchanger.
In the inventive solutions, by the variation of short period of pressure in air conditioner refrigerating circulation, to realize The purpose of fast-refrigerating, i.e., using the first storage tank by the coolant distribution of suction side, so that in air conditioner circulation line Gas pressure decline, accelerate the refrigerating speed of air conditioner with this.Further, in order to ensure the running requirements of air-conditioner system, Under fast-refrigerating pattern, the refrigerant in the second storage tank is discharged into air conditioner circulation line to supplement by the first storage tank Divide the coolant quantity of walking.Relative to the fast-refrigerating mode of existing air conditioner, the present invention is without the change by wind speed or changes pressure The mode of contracting unit frequency, so as to reduce the increase of noise, energy consumption.By the experimental verification of inventor, pass through the first storage tank The mode shunted in process of refrigerastion to the refrigerant in circulation line, can to reduce the gas pressure in circulation line Greatly accelerate refrigerating speed, improve the refrigerating capacity of complete machine.
Brief description of the drawings
Fig. 1 is a kind of structural representation of existing air conditioner;
Fig. 2 is a kind of structural representation of embodiment of air conditioner of the present invention;
Fig. 3 is the detailed process schematic diagram of the fast-refrigerating method of air conditioner of the present invention.
Embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this A little embodiments are used only for explaining the technical principle of the present invention, it is not intended that limit the scope of the invention.For example, although Each component in accompanying drawing is drawn with special ratios, but what this proportionate relationship was merely exemplary, those skilled in the art It can be made adjustment as needed, to adapt to specific application scenario.
With reference first to Fig. 1, Fig. 1 is a kind of structural representation of existing air conditioner.In order to illustrate more clearly of air conditioner Operation principle, the blower fan at indoor heat exchanger and outdoor heat exchanger is eliminated in figure.As shown in figure 1, air conditioner includes compressor A, outdoor heat exchanger B and indoor heat exchanger C, wherein, compressor A is configured with gas-liquid separator D.Arrow is process of refrigerastion in Fig. 1 In flow direction of the refrigerant in circulation line.Specifically, in process of refrigerastion, from the HTHP gas of compressor A outflows After state refrigerant enters outdoor heat exchanger B (condenser), cooled in outdoor heat exchanger B (condenser), it is cold to condense into liquid Matchmaker, liquid refrigerants form low-pressure liquid refrigerant after throttling arrangement E throttlings, flow into indoor heat exchanger C (evaporator).Liquid refrigerants Amount of heat is absorbed in heat exchanger C (evaporator) indoors, forms the gaseous coolant of low-temp low-pressure, and be flowed into along circulation line After gas-liquid separator D, further sucked, compress by compressor, form the gaseous coolant of HTHP, flow into outdoor heat exchanger B (condenser), open subsequent cycle.Refrigerant constantly circulates in pipeline, so as to realize the refrigeration of air conditioner.
In the process of refrigerastion of above-mentioned air conditioner, the change of wind speed or the frequency of change compressor are typically only possible by carry High refrigerating capacity.As stated in the Background Art, it is that noise is big, power consumption is big the shortcomings that this mode.The present invention is by circulation line The variation of short period of gaseous coolant pressure, to improve the refrigerating capacity of air conditioner, so as to realize fast-refrigerating.Referring to Fig. 2 Illustrate the structure of the air conditioner of the present invention.
Fig. 2 is a kind of structural representation of embodiment of air conditioner of the present invention.As shown in Fig. 2 the air conditioner bag of the present invention Include compressor 1, outdoor heat exchanger 2 (in the present embodiment, outdoor heat exchanger is condenser, hereinafter referred to as condenser 2), indoor heat exchange Device 3 (in the present embodiment, indoor heat exchanger is evaporator, hereinafter referred to as evaporator 3) and the first storage tank 4.Wherein, first deposit Storage tank 4 is connected by the first connecting tube 41 with the air inlet pipeline 11 of compressor 1, and is provided with first switch in the first connecting tube 41 Valve 411 (under normal refrigerating mode, the first switch valve 411 is closed).Under fast-refrigerating pattern, first switch Valve 411 is opened, so that the part gaseous coolant of the air inlet pipeline 11 of compressor 1 enters the first storage tank 4, so as to reduce compressor 1 pressure of inspiration(Pi).It is pointed out that the first storage tank 4 the gas pressure of original state be zero (or close to zero), in order to After first switch valve 411 is opened, the gaseous coolant of air inlet pipeline 11 can enter the first storage tank 4.
Specifically, under normal refrigerating mode, liquid coolant absorbs heat in evaporator 3 and is changed into gaseous coolant, gaseous state The refrigerant direction of arrow (refrigeration flow direction) flowing along figure, and then sucked by compressor 1.Due on the air inlet pipeline 11 of compressor 1 First storage tank 4 is communicated with by connecting line 41, after first switch valve 411 is opened, the part gaseous state in air inlet pipeline 11 Refrigerant can flow into the first storage tank 4 along air inlet pipeline 11.Assuming that under normal refrigerating mode, the gaseous state of the circulation line in system is cold The pressure of matchmaker is P0, then after the opening of first switch valve 411, the pressure of the gaseous coolant in air conditioner circulation line is P0Meeting Decline.Gas can expand when drop under stress, and gas can externally do work when expansion, absorb extraneous heat Amount.That is, the gaseous coolant in air conditioner circulation line expands because pressure reduces, extraneous heat is then absorbed Amount, so as to accelerate the refrigeration of air conditioner.For example, liquid refrigerants absorbs external heat, ambient temperature drop in evaporator 3 It is low, and the liquid refrigerants heat absorption in evaporator 3 is changed into gaseous coolant, now, because part gaseous coolant enters the first storage In tank 4 so that the gaseous coolant in evaporator 3 expands, and to extraneous work done during gaseous expansion, further absorbs extraneous heat Amount, so as to reach the purpose for accelerating refrigeration.In simple terms, the present invention by the first storage tank 4 in process of refrigerastion to circulation pipe Refrigerant in road is shunted and reduces the gas pressure in air conditioner circulation line, so as to accelerate the refrigeration of air conditioner speed Degree, improve the refrigerating capacity of complete machine.
When air conditioner circulation line gaseous coolant pressure from P0It is reduced to P1, and the gas pressure in the first storage tank 4 Increase to P1Afterwards, fast-refrigerating pattern is exited, can now close first switch valve 411.That is, when the first storage tank 4 Pressure it is identical with the gaseous coolant pressure in circulation line when, the gaseous coolant in circulation line does not enter back into the first storage tank 4, i.e. fast-refrigerating pattern exits, and can now close first switch valve 411.
Further, the first storage tank 4 also includes the second connecting tube 42 for being connected with air inlet pipeline 11, in the second connecting tube 42 It is provided with second switch valve 421.Before air conditioner shutdown, second switch valve 42 is opened, and makes the gaseous coolant in the first storage tank 4 It is released to medium circulation pipeline.Specifically, in order to ensure air conditioner when entering fast-refrigerating pattern next time, the first storage Gas pressure in tank 4, which is zero, (or close to zero, will at least ensure that the gas pressure in the first storage tank 4 is less than refrigerant circulation pipe Gaseous coolant pressure in road), before air conditioner shutdown, after opening second switch valve 421, compressor 1 can be by the first storage The gaseous coolant suction of tank 4, so that the gas pressure in the first storage tank 4, which is zero, (or close to zero, will at least ensure the first storage Gas pressure in tank 4 is less than the gaseous coolant pressure in medium circulation pipeline).When the gas pressure in the first storage tank 4 is When zero, second switch valve 421 is closed, air conditioner is shut down.Because under fast-refrigerating pattern, part refrigerant is stored in first and deposited Storage tank 4, before air conditioner shutdown, the refrigerant of the memory storage of the first storage tank 4 is re-released into circulation line again, it is achieved thereby that The recovery of refrigerant.It is pointed out that second switch valve 421 is under fast-refrigerating pattern, keeps closing under normal refrigerating mode Closed state, only reclaiming in the first storage tank 4 in the case of refrigerant, second switch valve 421 is just opened.
It should be noted that foregoing " air conditioner shutdown " can be understood as after indoor temperature reaches setting value, compressor Break-off (or being run in very low frequency), after indoor temperature changes, compressor, which works on, (or to be improved frequency and transports OK);It can be appreciated that air conditioner shuts down.After the control unit of air conditioner receives the signal of air conditioner shutdown, control first Second switch valve 421 processed, the gaseous coolant in the first storage tank 4 is set to be released to medium circulation pipeline, afterwards in control air-conditioning Device performs shutdown operation.Wherein, " air conditioner shut down signal " can be sent by user by equipment such as remote controls, can also be by The control unit of air conditioner determines whether air conditioner needs to shut down according to by checking the Rule of judgment of program setting.
Further, it is provided with the 3rd switch valve 111 on the air inlet pipeline 11 of compressor 1.Specifically, in air conditioner just In normal running, the 3rd switch valve 111 is in normally open, is only reclaiming in the first storage tank 4 in the case of refrigerant, the Three switch valves 111 are just closed.That is, when air conditioner power cut-off, the 3rd switch valve 111 is closed, and second switch valve 421 is beaten Open, so, the refrigerant that compressor 1 will can be absorbed in the first storage tank 4 more quickly, so as to accelerate air conditioner shutdown Speed.It is pointed out that under normal circumstances, closing, the unlatching of second switch valve 421 of the 3rd switch valve 111 are to enter simultaneously Capable, but in the actual moving process of air conditioner, the closing of the 3rd switch valve 111, the unlatching of second switch valve 421 may The order of priority occurs, for example after the unlatching of second switch valve 421, is closing the 3rd switch valve 111, or in the 3rd switch After valve 111 is closed, second switch valve 421 is being opened, specific programming is not discussed herein.
As a preferred embodiment, with continued reference to Fig. 1, air conditioner also includes being used to store the second of liquid refrigerants Storage tank 5, the second storage tank 5 are arranged on the pipeline between condenser 2 and evaporator 3, exported in particular close to condenser 2 On the pipeline of (under refrigeration mode) side.Under fast-refrigerating pattern, at least a portion of the liquid refrigerants in the second storage tank 5 It is released to medium circulation pipeline.Specifically, due under fast-refrigerating pattern, the part refrigerant in air conditioner circulation line Enter the first storage tank 4 so that the coolant quantity in circulation line tails off, now, by the way that the refrigerant in the second storage tank 5 is released It is put into air conditioner refrigerating circulation line, to ensure that the refrigerant circulation in air conditioner circulation line disclosure satisfy that the operating of system will Ask.That is, under normal refrigerating mode, it is laggard through the second storage tank 5, throttling arrangement 6 to flow out liquid refrigerants from condenser 2 Enter evaporator 3, because the coolant quantity in now circulation line is enough, therefore the refrigerant in the second storage tank 5 need not be discharged To medium circulation pipeline.And under fast-refrigerating pattern, after the refrigerant in circulation line is reduced, the refrigerant in the second storage tank 5 It can just be released in circulation line, to meet the running requirements of system.
Preferably, in the present embodiment, gas-liquid separator 7 is connected with the air inlet pipeline 11 of compressor 1, to prevent liquid It is inhaled into compressor 1.
In summary, the variation of short period of the invention by pressure in air conditioner refrigerating circulation, to realize quick system Cold purpose, i.e., using the first storage tank 4 by the coolant distribution of the suction side of compressor 1, so that the gas in air conditioner circulation line Body pressure declines, and accelerates the refrigerating speed of air conditioner with this.Further, in order to ensure the running requirements of air-conditioner system, fast Under fast refrigeration mode, the refrigerant in the second storage tank 5 is discharged into air conditioner circulation line and divided with supplementing by the first storage tank 4 The coolant quantity walked.Relative to the fast-refrigerating mode of existing air conditioner, the change or compressor of the invention without by wind speed The mode of frequency, so as to reduce the increase of noise, energy consumption.By the experimental verification of inventor, pass through the first storage tank 4 The mode shunted in process of refrigerastion to the refrigerant in circulation line, can to reduce the gas pressure in circulation line Greatly accelerate refrigerating speed, improve the refrigerating capacity of complete machine.
On the other hand, present invention also offers a kind of fast-refrigerating method of air conditioner.This method comprises the following steps:Will The part gaseous coolant on compressor inleting pipe road is transferred to the first storage tank.Wherein, the first storage tank by the first connecting tube with The air inlet pipeline connection of compressor.
Reference picture 3, Fig. 3 show the detail flowchart of the fast-refrigerating method of the air conditioner of the present invention.As shown in figure 3, In the present embodiment, when carrying out fast-refrigerating, step S310 is first carried out, by the part gaseous coolant transfer of compressor inleting pipe To the first storage tank.Because the first storage tank point walks a part of refrigerant in circulation line, step S320 is now performed, by second At least part liquid refrigerants stored in storage tank is discharged into the circulation line of air conditioner, wherein, the second storage tank is arranged at cold On pipeline between condenser and evaporator.In actual mechanical process, step S310 can be first carried out, step can also be first carried out S320, step S310 and S320 can also be performed simultaneously.
Subsequently into step S330, judge whether the gas pressure on the first storage tank and compressor inleting pipe road is equal.Such as The gas pressure of both fruits is equal, then into step S340, i.e. the gaseous coolant of compressor inleting pipe is not entered back into first and deposits Storage tank;Conversely, then continue the part gaseous coolant on compressor inleting pipe road being transferred to the first storage tank, until the first storage tank After interior gas pressure is equal with the amounts of pressurized gaseous on compressor inleting pipe road, the gaseous coolant of compressor inleting pipe is set not enter back into First storage tank.That is, during fast-refrigerating, the gas pressure in the first storage tank gradually increases, and compressor enters The gas pressure of tracheae gradually reduces, and when both gas pressures are equal, terminates fast-refrigerating.
Step S350 is subsequently entered, judges whether air conditioner prepares to shut down., can be with by whether receiving in the step The signal shut down to air conditioner judges whether to prepare to shut down.If it is not, then continue to run with air conditioner;If it is, perform step S360, after the gaseous coolant in the first storage tank is discharged into the circulation line of air conditioner, then air conditioner is set to be stopped.
On more specifically embodiment in the above method, the explanation of air conditioner above is refer to, will not be repeated here.
So far, combined preferred embodiment shown in the drawings describes technical scheme, still, this area Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these embodiments.Without departing from this On the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to correlation technique feature, these Technical scheme after changing or replacing it is fallen within protection scope of the present invention.

Claims (9)

1. a kind of air conditioner, including outdoor heat exchanger, indoor heat exchanger and compressor, it is characterised in that the air conditioner also wraps The first storage tank is included,
First storage tank is connected by the first connecting tube with the air inlet pipeline of the compressor, and in first connecting tube It is provided with first switch valve;
The first switch valve is opened under fast-refrigerating pattern, so that the part gaseous coolant of the air inlet pipeline of the compressor Into first storage tank, so as to reduce the pressure of inspiration(Pi) of the compressor.
2. air conditioner according to claim 1, it is characterised in that first storage tank also includes and the air inlet pipeline Second connecting tube of connection, second switch valve is provided with second connecting tube;
The second switch valve shuts down in the air conditioner or shuts down front opening so that gaseous coolant in first storage tank It is released to the circulation line of air conditioner.
3. air conditioner according to claim 2, it is characterised in that normally opened shape is provided with the air inlet pipeline of the compressor 3rd switch valve of state.
4. air conditioner according to claim 3, it is characterised in that the air conditioner also includes being used to store liquid refrigerants Second storage tank,
Second storage tank is arranged on the pipeline between the outdoor heat exchanger and the indoor heat exchanger;
Under fast-refrigerating pattern, at least a portion of the liquid refrigerants in second storage tank is released to the air conditioner Circulation line.
5. air conditioner according to any one of claim 1 to 4, it is characterised in that on the air inlet pipeline of the compressor Gas-liquid separator is connected with, to prevent liquid to be sucked into the compressor.
6. a kind of fast-refrigerating method of air conditioner, it is characterised in that this method comprises the following steps:
The part gaseous coolant on compressor inleting pipe road is transferred to the first storage tank;
Wherein, first storage tank is connected by the first connecting tube with the air inlet pipeline of the compressor.
7. according to the method for claim 6, it is characterised in that methods described also includes:
Detect first storage tank and the gas pressure on the compressor inleting pipe road;
When first storage tank is equal with the gas pressure on the compressor inleting pipe road, make the compressor inleting pipe Gaseous coolant does not enter back into first storage tank;
When the described first storage pressure tank is less than the gas pressure on the compressor inleting pipe road, continue compressor inleting pipe The part gaseous coolant on road is transferred to the first storage tank.
8. according to the method for claim 7, it is characterised in that methods described also includes:
Before air conditioner shutdown, the gaseous coolant in first storage tank is discharged into the circulation line of the air conditioner.
9. the method according to any one of claim 6 to 8, it is characterised in that " by the part on compressor inleting pipe road Gaseous coolant is transferred to the first storage tank " while, before or after, methods described also includes:
At least part liquid refrigerants stored in second storage tank is discharged into the circulation line of the air conditioner,
Wherein, second storage tank is arranged on the pipeline between the outdoor heat exchanger and the indoor heat exchanger.
CN201710656022.7A 2017-08-03 2017-08-03 Air conditioner and quick refrigerating method thereof Active CN107504706B (en)

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Application Number Priority Date Filing Date Title
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CN107504706B CN107504706B (en) 2021-04-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108731311A (en) * 2018-07-12 2018-11-02 珠海凌达压缩机有限公司 Compressor assembly and air conditioning system thereof
CN110454951A (en) * 2019-08-05 2019-11-15 广东美的制冷设备有限公司 Air-conditioning system and its control method

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