CN100354578C - Air conditioner and method of controlling the same - Google Patents
Air conditioner and method of controlling the same Download PDFInfo
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- CN100354578C CN100354578C CNB2005100545146A CN200510054514A CN100354578C CN 100354578 C CN100354578 C CN 100354578C CN B2005100545146 A CNB2005100545146 A CN B2005100545146A CN 200510054514 A CN200510054514 A CN 200510054514A CN 100354578 C CN100354578 C CN 100354578C
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- Prior art keywords
- refrigeration
- valve
- heat
- indoor unit
- heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/26—Disposition of valves, e.g. of on-off valves or flow control valves of fluid flow reversing valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/10—Pressure
- F24F2140/12—Heat-exchange fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/007—Compression machines, plants or systems with reversible cycle not otherwise provided for three pipes connecting the outdoor side to the indoor side with multiple indoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
- F25B2313/0231—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with simultaneous cooling and heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/12—Sound
Abstract
Disclosed herein are an air conditioner and a method of controlling the same. In a selective cooling/heating multi-system air conditioner, refrigerant flow noise is minimized when cooling operations are changed to heating operations and vice versa. The method of controlling the air conditioner comprises opening one of cooling (164a-d) and heating (162a-d) valves so as to perform one of cooling and heating operations. The cooling valve is opened when at least one indoor unit is operated at a cooling mode, and the heating valve is opened when the indoor unit is operated at a heating mode. The method of controlling the air conditioner further comprises closing the cooling and heating valves, and, after a predetermined period of time elapses, opening the other of the cooling and heating valves so as to bring about a change between the cooling and heating operations of the indoor unit.
Description
The application requires the rights and interests of the korean patent application No.2004-78566 that submitted on October 2nd, 2004, being disclosed in this and being quoted by merging of this application.
Technical field
The present invention relates to a kind of air regulator and a kind of method that is used to control this air regulator, more specifically, relate to a kind of selectivity freeze/heat multisystem controlled adjuster and a kind of method that is used to control this multisystem air regulator with a plurality of indoor units.
Background technology
Selectivity freeze/heat the multisystem air regulator comprise at least one outdoor unit with the parallel a plurality of indoor units that link to each other of outdoor unit.A plurality of indoor units are electrically connected with outdoor unit by communication cable and feed cable.The indoor and outdoors unit has a plurality of cooling tubes and the valve of the amount that is used to control flow of coolant and cooling agent respectively.
" selectivity is freezed/heated " is meant and utilizes each indoor unit optionally to carry out refrigeration or heat operation.In order to realize that this selectivity freezes/heat, utilize indoor unit, optionally carry out refrigeration or heat operation according to user's request or room environment.For this reason, use electronic cooling and heated valve.Particularly, when opening the electronic cooling valve, indoor unit is carried out refrigerating operation.On the other hand, when opening electronics and heat valve, indoor unit is carried out and is heated operation.
In this manner, indoor unit is carried out refrigeration or is heated operation.For this reason, need outdoor unit to have for the enough refrigeration of each indoor unit or heating capacity to carry out refrigeration or to heat operation.The total refrigerating capacity (capacity) that needs when indoor unit is during greater than the heating capacity of outdoor unit, outdoor unit performing master's refrigerating operation.On the other hand, the total heating capacity that needs when indoor unit is during greater than the refrigerating capacity of outdoor unit, and outdoor unit performing master heats operation.Main heat operation or when opposite, also changed the flow of coolant direction of from compressor, discharging when utilizing outdoor unit to be transformed into from main refrigerating operation.For this reason, used the four-way valve.
In the operation outdoor unit, when the electronic cooling valve closing and simultaneously electronics heat valve open so that when utilizing indoor unit that refrigeration mode is changed to heating mode, the pressure coolant of discharging from compressor flows through the valve of opening suddenly.Similarly, in the operation outdoor unit, when electronics heats valve closing and simultaneously the electronic cooling valve open is so that when utilizing indoor unit that heating mode is changed to refrigeration mode, the pressure coolant of discharging from compressor flows through the valve of opening suddenly.As a result, produced noise from ANALYSIS OF COOLANT FLOW.
When the number of the indoor unit in the multisystem air regulator is freezed/heated to above-mentioned selectivity increases, carry out the opening and closing operation of valve more continually, heat operation and opposite so that utilize each indoor unit that refrigerating operation is changed into.As a result, increased the noise that the user that can make air regulator feels under the weather.
Summary of the invention
Therefore, an aspect of of the present present invention is to make the ANALYSIS OF COOLANT FLOW noise minimum that heats operation and produced when opposite when in the multisystem air regulator that freezes in selectivity/heat refrigerating operation being changed into.
According to one side, the invention provides a kind of method of controlling air regulator, comprise: open refrigeration and heat one of valve, so that carry out refrigeration and heat one of operation, when at least one indoor unit operates in refrigeration mode, open refrigeration valve, when indoor unit operates in heating mode, open and heat valve; And close refrigeration and heat valve, and when through after the predetermined period of time, open other refrigeration and heat valve so that the refrigeration of indoor unit and heat and occur change between the operation.
According on the other hand, the invention provides a kind of method of controlling air regulator, comprise: open refrigeration and heat one of valve, so that carry out refrigeration and heat one of operation, when at least one indoor unit operates in refrigeration mode, open refrigeration valve, when indoor unit operates in heating mode, open and heat valve; Close refrigeration and heat valve, so that the refrigeration of indoor unit and heat between the operation and to occur changing; The pressure of control cooling agent is so that reduce the high pressure of cool cycles and the pressure differential between the low-pressure section; Open other refrigeration and heat valve, so that carry out the refrigeration of indoor unit and heat change between the operation; And in the refrigeration that causes indoor unit and heat between the operation occur changing after, interrupt the control of the pressure of cooling agent, and utilize required refrigeration of indoor unit or heating capacity to operate outdoor unit.
Air regulator according to the present invention comprises: outdoor unit; At least one indoor unit; Control module; And pattern changes the unit.Pattern changes the unit and carries out the refrigeration of indoor unit and heat change between the operation.The control module control model changes the unit, so that carry out refrigeration and heat one of operation.In having interrupted indoor unit during flow of coolant, through after the predetermined period of time, control module is opened other refrigeration and is heated valve, occurs between the operation changing so that make the refrigeration of indoor unit and heat.
Part shows additional aspect of the present invention and/or advantage in the following description, and according to explanation, additional aspect of the present invention and/or advantage are in part apparent, and maybe can understand for practice of the present invention.
Description of drawings
According to the explanation of the following embodiment that combines with accompanying drawing, these and/or others of the present invention and advantage become apparent and should be readily appreciated that, wherein:
Fig. 1 shows the circuit diagram according to the kind of refrigeration cycle of the air regulator of the embodiment of the invention;
Fig. 2 is the block diagram that is used for the control system of air regulator shown in Figure 1; And
Fig. 3 shows the sequential chart according to the method for the control air regulator of the embodiment of the invention.
The specific embodiment
Now in detail with reference to embodiments of the invention.Below with reference to accompanying drawing, illustrate that embodiment is to explain the present invention.
Fig. 1 shows the schematic diagram according to the cool cycles of the air regulator of the embodiment of the invention.As shown in Figure 1, air regulator comprises: outdoor unit 120; First to fourth ventricle interior unit 140a, 140b, 140c and 140d; And pattern changes unit 160.
In outdoor unit 120, utilize four-way valve 124 to change the flow of coolant direction of discharging from compressor 122.In main refrigerating operation, utilize four-way valve 124 to change the flow of coolant direction, main electronic cooling valve 186a and outdoor heat converter 126 so that the cooling agent of for example high temperature that will discharge from compressor 122, high pressure leads.On the other hand, heat in the operation, utilize four-way valve 124 to change the flow of coolant direction main, so as with cooling agent by check valve 188 and pattern change unit 160 offer from first in the fourth ventricle unit 140a, 140b, 140c and 140d.Utilize outdoor heat converter 126 at cooling agent be incorporated into by outdoor unit fan 102 between the outdoor air of outdoor unit and carry out heat exchange.In outdoor unit 120, also be provided with: the outdoor electronic expansion valve 128 of the cooling agent that is used to expand, be used for liquid receiver 130 and accumulator 132 that liquid coolant and gaseous coolant are separated.By high-pressure air pipe 134 and low pressure tracheae 136 realize first in the fourth ventricle ANALYSIS OF COOLANT FLOW between unit 140a, 140b, 140c and 140d and the outdoor unit 120.
The high pressure branched pipe 184 that branches out from high-pressure air pipe 134 is connected between the inlet of four-way valve 124 and outdoor heat converter 126.On high pressure branched pipe 184, be provided with main electronic cooling valve 186a and prevent the check valve 186b that cooling agent refluxes from high-pressure air pipe 134.Between four-way valve 124 and high-pressure gas pipe 134, be provided with another check valve 188 that prevents that cooling agent from refluxing.
First in the fourth ventricle unit 140a, 140b, 140c and 140d and 120 parallel connections of outdoor unit, first in the fourth ventricle unit 140a, 140b, 140c and 140d have: first arrives the interior electronic expansion valve 144a of fourth ventricle, 144b, 144c and 144d to fourth ventricle interior heat exchanger 142a, 142b, 142c and 142d and first.
The pattern that is provided with changes unit 160, so as with first in the fourth ventricle refrigerating operation of unit 140a, 140b, 140c and 140d change into first in the fourth ventricle unit 140a, 140b, 140c and 140d heat operation, vice versa.Have first to the 4th high pressure that branches out from high-pressure air pipe 134 in the pattern change unit 160 and divide bronchus 166a, 166b, 166c and 166d.Divide on bronchus 166a, 166b, 166c and the 166d at first to the 4th high pressure, be provided with first respectively and heat valve 162a, 162b, 162c and 162d to the quadrielectron.Divide on bronchus 168a, 168b, 168c and the 168d in first to the 4th low pressure that branches out from low pressure tracheae 136, be provided with first respectively to quadrielectron refrigeration valve 164a, 164b, 164c and 164d.First electronics heats valve 162a and links to each other with the first cooling tube 170a that has been connected the first indoor heat converter 142a with the first electronic cooling valve 164a.Similarly, second heat valve 162b, 162c to the quadrielectron and link to each other with 170d to quadrielectron refrigeration valve 170b, 170c with second respectively with 164d to quadrielectron refrigeration valve 164b, 164c with second with 162d.On cooling tube, be provided with electronic pattern between the liquid receiver 130 of electronic expansion valve 144a, 144b, 144c and 144d and outdoor unit 120 first in the fourth ventricle and change unit valve 104.When the number of the indoor unit of carrying out refrigerating operation heats the number of indoor unit of operation greater than execution, electronic pattern changes unit valve 104 to be opened, so that the cooling agent of discharging from the indoor unit of carrying out refrigerating operation can not offer the indoor unit that execution heats operation too much.
Fig. 2 shows the block diagram of the control system of air regulator shown in Figure 1.As shown in Figure 2, the outdoor unit microcomputer 202 that also comprises the assembly of controlling outdoor unit 120 according to the outdoor unit 120 of air regulator of the present invention.First in the fourth ventricle unit 140a, 140b, 140c and 140d also comprise respectively control first unit 140a, 140b, 140c and 140d in the fourth ventricle assembly first in the fourth ventricle unit microcomputer 206a, 206b, 206c and 206d.Pattern changes unit 160 and comprises that also pattern changes unit microcomputer 204, is used to control first and heats valve 162a, 162b, 162c and 162d to quadrielectron refrigeration valve 164a, 164b, 164c and 164d and first to the quadrielectron.
Fig. 3 shows the sequential chart according to the method for the control air regulator of the embodiment of the invention.(A) of Fig. 3 shows refrigeration and heats change between the operation to (F), (G) show in the time will heating operation change to (H) to refrigerating operation, electronics heats the opening and closing control of valve 162a, 162b, 162c and 162d and electronic cooling valve 164a, 164b, 164c and 164d, and (I) show when refrigerating operation is changed to (J) and heat when operation, electronics heats the opening and closing control of valve 162a, 162b, 162c and 162d and electronic cooling valve 164a, 164b, 164c and 164d.(K) of Fig. 3 shows when the indoor unit that stops and beginning to carry out when heating operation, electronics heats the opening and closing control of valve 162a, 162b, 162c and 162d, and (L) show when the indoor unit that stops to begin to carry out refrigerating operation the opening and closing control of electronic cooling valve 164a, 164b, 164c and 164d.
When heating operation change when being refrigerating operation at least one indoor unit, the electronics of a correspondence heats valve 162a, 162b, 162c and 162d and closes (t1 of Fig. 3 (G)), compressor 122, outdoor unit fan 102, four-way valve 124, outdoor electronic expansion valve 128, electronic pattern change unit valve 104 and hot gas bypath valve 106 maintenance current operation status simultaneously, promptly, freezing and heating state before occurs changing between the operation, arrive shown in (F) as Fig. 3 (A).At this moment, electronic cooling valve 164a, 164b, 164c and the 164d of a correspondence close.In this manner, electronics heat valve 162a, 162b, 162c and 162d and electronic cooling valve 164a, 164b, 164c and 164d preset time in the cycle (for example, about 30 seconds) close, then, when the ability of compressor 122 reduces, carry out refrigerating operation.Preferably, carry out refrigerating operation (t2 of Fig. 3 (A)) according to the minimum ability of compressor.Simultaneously, reduce the rotary speed of outdoor unit fan 102 accordingly with the operational capacity of compressor 122, outdoor electronic expansion valve 128 and electronic pattern change unit valve 104 closes, and hot gas bypath valve 106 is opened (t2 of Fig. 3 (B), 3 (D), 3 (E) and 3 (F)).Mode of operation (Fig. 3 (C)) before four-way valve 124 remains on.The hot gas bypath valve 106 of control connection between the entrance side of the outlet side (high-pressure side) of compressor 122 and compressor 122 so that hot gas flows to the inlet of compressor 122, thereby keeps the pressure of appointment in the porch of compressor.When heating at electronics when opening hot gas bypath valve 106 when valve 162a, 162b, 162c and 162d and electronic cooling valve 164a, 164b, 164c and 164d close, the pressure differential between high-pressure air pipe 134 and the low pressure tracheae 136 relatively reduces.As a result, when electronic cooling valve 164a, 164b, 164c and 164d open, make ANALYSIS OF COOLANT FLOW noise minimum.
When the first electronic cooling valve 164a opens and first electronics heats valve 162a and closes when carrying out the refrigerating operation of the first indoor unit 140a, for example, the two ends that heat valve 162a at first electronics have formed high pressure and low-pressure section.Particularly, the high-pressure air pipe 134 that first electronics heats the left side of valve 162a becomes high-pressure section, and the first cooling tube 170a on the right side of the first electronic cooling valve 164a becomes low-pressure section.When throwing open first electronics and heat valve 162a, the cooling agent in the high-pressure section flows to low-pressure section suddenly.As a result, produced the ANALYSIS OF COOLANT FLOW noise.Yet, when closing, the first electronic cooling valve 164a under the situation according to minimum ability operate compressor 122, reducing the pressure of cooling agent in the high-pressure section according to the present invention, therefore reduced the pressure differential between high-pressure section and the low-pressure section.When opening first electronics in the pressure differential that has reduced between high-pressure section and the low-pressure section and heat valve 162a, cooling agent can not flow suddenly, has therefore reduced the ANALYSIS OF COOLANT FLOW noise considerably.
If when refrigeration with heat between the operation when occurring changing first and heat valve 162a, 162b, 162c and 162d and first to the quadrielectron and all close to quadrielectron refrigeration valve 164a, 164b, 164c and 164d, although according to minimum ability operate compressor 122, porch at compressor has still produced vacuum, and this may influence air regulator.Therefore, when according to minimum ability operate compressor 122, open hot gas bypath valve 106, so that compressor 122 normal runnings.In this case, also controlled the amount of cooling agent.
(for example after t2, passed through the preset time cycle, approximate 30 seconds) time, this means the pressure balance that has realized the cooling agent between the cooling tube, open (t3 of Fig. 3 (H)) with the corresponding electronic cooling valve of the indoor unit that will change to refrigerating operation 164a, 164b, 164c and 164d.(for example after t3, passed through the preset time cycle, approximate 10 seconds) time, control compressor 122, outdoor unit fan 102, outdoor electronic expansion valve 128, electronic pattern change unit valve 104 and hot gas bypath valve 106, so that carry out refrigerating operation.Particularly, at time t4, refrigeration and the heating capacity required according to each indoor unit come operate compressor 122, increase the rotary speed of outdoor unit fan 102 accordingly with the operational capacity of compressor 122, decide the opening degree of outdoor electronic expansion valve 128 according to the operator scheme of outdoor unit, decide electronic pattern to change the opening degree of unit valve 104 according to the operator scheme of correspondence, and hot gas bypath valve 106 is closed (t4 of Fig. 3 (B), 3 (D), 3 (E) and 3 (F)).
Passed through preset time during the cycle when the corresponding electronics of indoor unit that heats operation with execution heats valve 162a, 162b, 162c and 162d after closing, operate compressor 122, outdoor unit fan 102, outdoor electronic expansion valve 128, electronic pattern change unit valve 104 and hot gas bypath valve 106.As a result, reduced since valve throw open and close the ANALYSIS OF COOLANT FLOW noise that causes.In addition, heat after valve 162a, 162b, 162c and 162d close at electronics, compressor 122, outdoor unit fan 102, outdoor electronic expansion valve 128, electronic pattern change unit valve 104 and hot gas bypath valve 106 keeps its mode of operation before in the preset time cycle (t1 is to t2).As a result, prevented that cooling agent stagnates in the indoor unit of correspondence.
In addition, open with before changing to refrigerating operation at electronic cooling valve 164a, 164b, 164c and 164d, come operate compressor 122 according to minimum ability, when electronic cooling valve 164a, 164b, 164c and 164d open, make thus because the ANALYSIS OF COOLANT FLOW noise minimum of the pressure coolant generation of flowing suddenly.
As (I) of Fig. 3 with (J), change into when refrigerating operation and to heat when operation, at time t1, with to change to the corresponding electronic cooling valve of the indoor unit that heats operation 164a, 164b, 164c and 164d and close, then, passing through preset time after the cycle, control compressor 122, outdoor unit fan 102, outdoor electronic expansion valve 128, electronic pattern change unit valve 104 and hot gas bypath valve 106, so that ANALYSIS OF COOLANT FLOW noise minimum (t2 of Fig. 3 (B), 3 (D), 3 (E) and 3 (F)).At time t3, and to change to the corresponding electronics of the indoor unit that heats operation and heat valve 162a, 162b, 162c and 162d and open (t3 of Fig. 3 (J)).When having passed through preset time after the cycle, control compressor 122, outdoor unit fan 102, outdoor electronic expansion valve 128, electronic pattern change unit valve 104 and hot gas bypath valve 106, heat operation (t4 of Fig. 3 (B), 3 (D), 3 (E) and 3 (F)) with execution.
For heat or refrigeration mode in the indoor unit that stops of operation, control compressor 122, outdoor unit fan 102, outdoor electronic expansion valve 128, electronic pattern change unit valve 104 and hot gas bypath valve 106, so that ANALYSIS OF COOLANT FLOW noise minimum (t2 of Fig. 3 (B), 3 (D), 3 (E) and 3 (F)), then, at time t3, heat valve 162a, 162b, 162c and 162d with the corresponding electronics of the indoor unit that will change to respective operations or electronic cooling valve 164a, 164b, 164c and 164d open (t3 of Fig. 3 (K) and 3 (L)).When (for example having passed through the preset time cycle, approximate 10 seconds) afterwards, control compressor 122, outdoor unit fan 102, outdoor electronic expansion valve 128, electronic pattern change unit valve 104 and hot gas bypath valve 106, to carry out refrigeration or to heat operation (t4 of Fig. 3 (B), 3 (D), 3 (E) and 3 (F)).
As described abovely know finding, the invention provides a kind of optionally refrigerating/heating and make the system air adjuster, wherein when in refrigeration with heat when changing between the operation, the given preset time cycle that opens and closes electronic cooling and heat the time of valve.As a result, the present invention has the effect that makes ANALYSIS OF COOLANT FLOW noise minimum.
Although illustrated and illustrated embodiments of the invention, those skilled in the art can be understood that, under the prerequisite that does not break away from the principle of the present invention that limited its scope by claim and equivalent thereof and spirit, can make amendment to present embodiment.
Claims (7)
1. method of controlling air regulator comprises:
Open refrigeration and heat one of valve,, when at least one indoor unit operates in refrigeration mode, open refrigeration valve, when indoor unit operates in heating mode, open and heat valve so that carry out refrigeration and heat one of operation; And
Close refrigeration and heat valve, and when through after the predetermined period of time, open other refrigeration and heat valve so that the refrigeration of indoor unit and heat and occur change between the operation, wherein,
When freezing and heating valve closing, according to the minimum ability operate compressor, so that the pressure of control cooling agent,
When according to the minimum ability operate compressor, reduce the revolution of outdoor unit fan.
2. method according to claim 1 is characterized in that also comprising:
When refrigeration with when heating valve closing, open the outlet side that is connected compressor and the hot gas bypath valve between the entrance side, so that the pressure of control cooling agent.
3. method according to claim 1 is characterized in that also comprising:
In indoor unit refrigeration with heat when occurring changing between the operation, interrupt the control of the pressure of cooling agent, and utilize required refrigeration of indoor unit or heating capacity to operate outdoor unit.
4. method of controlling air regulator comprises:
Open refrigeration and heat one of valve,, when at least one indoor unit operates in refrigeration mode, open refrigeration valve, when indoor unit operates in heating mode, open and heat valve so that carry out refrigeration and heat one of operation;
Close refrigeration and heat valve, so that the refrigeration of indoor unit and heat between the operation and to occur changing;
The pressure of control cooling agent is so that reduce the high pressure of cool cycles and the pressure differential between the low-pressure section;
Open other refrigeration and heat valve, so that carry out the refrigeration of indoor unit and heat change between the operation; And
In the refrigeration that causes indoor unit and heat between the operation occur changing after, interrupt the control of the pressure of cooling agent, and utilize required refrigeration of indoor unit or heating capacity to operate outdoor unit, wherein,
When freezing and heating valve closing, according to the minimum ability operate compressor, so that the pressure of control cooling agent,
When according to the minimum ability operate compressor, reduce the revolution of outdoor unit fan.
5. method according to claim 4 is characterized in that also comprising:
When refrigeration with when heating valve closing, open the outlet side that is connected compressor and the hot gas bypath valve between the entrance side, so that the pressure of control cooling agent.
6. an air regulator comprises:
Outdoor unit;
At least one indoor unit;
Pattern changes the unit, causes the refrigeration of indoor unit and heat to occur between the operation changing; And
Control module, control model changes the unit, so that carry out refrigeration and heat one of operation, and in having interrupted indoor unit during flow of coolant, after the process predetermined period of time, control module is opened other refrigeration and is heated valve, occurs between the operation changing so that make the refrigeration of indoor unit and heat, wherein
When freezing and heating valve closing, according to the minimum ability operate compressor, so that the pressure of control cooling agent,
When according to the minimum ability operate compressor, reduce the revolution of outdoor unit fan.
7. air regulator according to claim 6 is characterized in that described pattern changes the unit and comprises:
The refrigeration valve of when indoor unit operates in refrigeration mode, opening; And
That opens when indoor unit operates in heating mode heats valve.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20040078566 | 2004-10-02 | ||
| KR1020040078566A KR20060029566A (en) | 2004-10-02 | 2004-10-02 | Air condirioner and method of controlling the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1755258A CN1755258A (en) | 2006-04-05 |
| CN100354578C true CN100354578C (en) | 2007-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100545146A Expired - Fee Related CN100354578C (en) | 2004-10-02 | 2005-03-08 | Air conditioner and method of controlling the same |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1655552A2 (en) |
| KR (1) | KR20060029566A (en) |
| CN (1) | CN100354578C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070074302A (en) | 2006-01-09 | 2007-07-12 | 삼성전자주식회사 | Air conditioner and method of controlling the same |
| CN112178893B (en) * | 2020-09-22 | 2021-11-30 | 广东美的暖通设备有限公司 | Air conditioner, control method, and computer-readable storage medium |
| CN112902429B (en) * | 2020-12-28 | 2022-06-03 | 宁波奥克斯电气股份有限公司 | Noise reduction control method and device for air conditioner and air conditioner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0293263A (en) * | 1988-09-30 | 1990-04-04 | Sanyo Electric Co Ltd | Air conditioning device |
| JPH04347467A (en) * | 1991-05-27 | 1992-12-02 | Mitsubishi Electric Corp | Air conditioner |
| JPH06207760A (en) * | 1993-01-11 | 1994-07-26 | Matsushita Refrig Co Ltd | Multi-chamber type air conditioner |
| JPH06300380A (en) * | 1993-04-20 | 1994-10-28 | Matsushita Refrig Co Ltd | Multi-room type air conditioner |
| JP2002340390A (en) * | 2001-05-18 | 2002-11-27 | Fujitsu General Ltd | Air conditioner for multiple rooms |
| CN1430030A (en) * | 2001-12-20 | 2003-07-16 | Lg电子株式会社 | Heat pump air conditioner |
| JP2003240391A (en) * | 2002-02-21 | 2003-08-27 | Mitsubishi Electric Corp | Air conditioner |
| CN1477345A (en) * | 2002-08-22 | 2004-02-25 | Lg电子株式会社 | Multimachine air conditioner and operating method for controlling outdoor machine fan |
-
2004
- 2004-10-02 KR KR1020040078566A patent/KR20060029566A/en not_active Application Discontinuation
-
2005
- 2005-03-08 CN CNB2005100545146A patent/CN100354578C/en not_active Expired - Fee Related
- 2005-03-18 EP EP05102197A patent/EP1655552A2/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0293263A (en) * | 1988-09-30 | 1990-04-04 | Sanyo Electric Co Ltd | Air conditioning device |
| JPH04347467A (en) * | 1991-05-27 | 1992-12-02 | Mitsubishi Electric Corp | Air conditioner |
| JPH06207760A (en) * | 1993-01-11 | 1994-07-26 | Matsushita Refrig Co Ltd | Multi-chamber type air conditioner |
| JPH06300380A (en) * | 1993-04-20 | 1994-10-28 | Matsushita Refrig Co Ltd | Multi-room type air conditioner |
| JP2002340390A (en) * | 2001-05-18 | 2002-11-27 | Fujitsu General Ltd | Air conditioner for multiple rooms |
| CN1430030A (en) * | 2001-12-20 | 2003-07-16 | Lg电子株式会社 | Heat pump air conditioner |
| JP2003240391A (en) * | 2002-02-21 | 2003-08-27 | Mitsubishi Electric Corp | Air conditioner |
| CN1477345A (en) * | 2002-08-22 | 2004-02-25 | Lg电子株式会社 | Multimachine air conditioner and operating method for controlling outdoor machine fan |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060029566A (en) | 2006-04-06 |
| CN1755258A (en) | 2006-04-05 |
| EP1655552A2 (en) | 2006-05-10 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20071212 Termination date: 20100308 |