AIR CONDITIONER AND CONTROL METHOD THEREOF

Hereinafter, the present invention according to attached drawing air conditioner products on the detailed as follows. The attached drawing illustrates one example form of the present invention that, this number being ball that are directionally to illustrate the present invention only, the technical range of the present invention is defined in which are not correct.

In addition, drawing the same reference number or code is independent corresponding component to impart the dispensed to local described wherein, each a member of a size and shape for facilitating descriptions shown to can be reduced in response to was eased.

Figure 2 shows a representing the air conditioner according to an embodiment of the present invention also are disclosed.

The reference 2 also, the present invention according to air conditioner (10) resonator is (100), an indoor heat exchanger (200), an electronic expansion valve number 1 (300), an electronic expansion valve number 2 (350) and an outdoor heat exchanger (400) having a predetermined wavelength. In the embodiment shown in, "I" and "O" is section can exhibit growth factor the indoor unit.

Specifically, said outdoor heat exchanger to said outdoor unit (O) includes outdoor air and refrigerant exchanges heat when initial time of heating (400), said outdoor heat exchanger (400) outdoor fan moved in a longitudinal direction (410), said outdoor heat exchanger (400) electronic expansion valve for expanding the refrigerant discharged from number 1 (300), said outdoor heat exchanger (400) formed therein to compress refrigerant discharged from said compressor (100) can be with.

In addition, when initial time of heating said indoor unit (I) includes said compressor (100) is inverse U-shaped discharged from an indoor heat exchanger (200), said indoor heat exchanger and moved in a indoor fan (210), ten alternation or crossroad [...] display said number with heat indoor electronic expansion valve configured for regulating the flow rate of number 2 (350) can be with.

Compressor (100) includes a compress refrigerant are formed on the base. I.e., said compressor (100) includes a low temperature refrigerant to produce high temperature and high pressure refrigerant that self-will pressing can be formed. Said compressor (100) includes a air conditioning device (10) having one or more can be.

Said compressor (100) air conditioner device (10) comprises dissolving in plurality, the plurality of compressors in series and/or parallel direction flow of refrigerant can be.

Said indoor heat exchanger (200) further can be configured to the indoor unit. I.e., said indoor heat exchanger (200) is indoor air and said indoor heat exchanger (200) refrigerant flowing into the heat exchange can be formed.

E.g., said indoor heat exchanger (200) includes a air conditioning device (100) performs the function of in the bottom of the evaporator, condenser water mode can be carry out tasks of. In addition, said indoor heat exchanger (200) in the indoor device is one of a plurality may be provided, in the indoor device also having a plurality of pivotably mounting.

Said outdoor heat exchanger (400) further includes an outdoor unit can be configured. I.e., said outdoor heat exchanger (400) includes an outdoor heat exchanger and said outdoor air (400) flowing into the heat exchange refrigerant can be formed.

E.g., said outdoor heat exchanger (400) includes a air conditioning device (100) performs the function of the bottom of the condenser mode, evaporator heating mode can function. In addition, said outdoor heat exchanger (400) is one of a plurality within an outdoor unit may be provided, also having a plurality of pivotably mounting within an outdoor unit.

Said indoor heat exchanger (200) and an outdoor heat exchanger (400) includes a pin - tube type heat exchanger is connected to the edifice. In addition, said indoor heat exchanger (200) side indoor fan (210) can be provided, said outdoor heat exchanger (400) the outdoor fan turned side (410) can be provided.

Said air conditioning device (10) includes a compressor (100) oil separator for separating oil from the refrigerant discharged from the mixer (500) can be a.

Said oil separator (500) resonator is (100) discharged from an oil-injected compressor oil returning pipe others back to the compressor (100) being delivered to the forming can be. And, said oil separator (500) the pressure of the refrigerant entering the mixer separated from the indoor heat exchanger (200) on an outdoor heat exchanger (400) including a refrigerant cycle can be circulating.

For example, compressor (100) the mixture discharged from the supply passage (105) oil through separator (500) can be supplied. And, oil separator (500) liquid oil is isolated from return passage (505) by a number of compressor (100) are fed to a, said oil separator (500) can be separated vapor phase refrigerant circulating in the refrigerant cycle.

Said air conditioning device (10) when the cooling-water mode is switched, is condensed for converting the channel switch valve (600) can be a. Said flow channel switching valve (600) includes a 4 way valve (four-a way valve) can be formed.

E.g., said flow channel switching valve (600) is at the time of the cooling mode (100) guiding refrigerant discharged from an outdoor unit, at the time of the heating mode (100) can be formed to guide the refrigerant discharged from the type air conditioner.

Said number 1 an electronic expansion valve (300) includes an outdoor unit (O) are arranged, fan-water mode automatically when an outdoor heat exchanger (400) to expand to meet the refrigerant entering the formation and disposed, on fan number mode or cooling mode can be configured to automatically when opened completely (full open).

Electronic expansion valve said number 2 (350) so that the indoor unit (I), automatically when the outdoor temperature and heating setting temperature etc. the indoor fan-water mode (I) can be adjusted to adjust the refrigerant to flow through opening. In addition, electronic expansion valve said number 2 (350) number mode or cooling mode automatically when the fan is on, an indoor heat exchanger (200) to the refrigerant wherein a refrigerant discharged from the radiator side is to adjust can be adjusted.

On the other hand, the air conditioner operation mode heating mode number or number particle size lower plate having corn type draw converted on mode for diverting and flow of refrigerant in the refrigerant can be increased according to the straight line.

Hereinafter, with reference to other drawing, motive power for air conditioner capable of reducing refrigerant flow noise on mode number in the characteristics of control unit number is described substrate.

Figure 3 shows a drawing representing the relation between the air conditioner and also according to an embodiment of the present invention connected main configurations, Figure 4 according to an embodiment of the present invention indicate the operational status of the air conditioner in-phase mode number main configurations are disclosed. With reference, in Figure 4, the operational frequency of the compressor on the display is displayed in the compressor represents, number 2 on the display is displayed in the electronic expansion valve opening exhibits.

First, the reference also 3, according to an embodiment of the present invention can be (C) air conditioner further includes a control section number. Said number (S1, S2, S3) (C) water level at least 3 then transmits signal on the basis of temperature sensors, compressor (100), an electronic expansion valve number 1 (300), an electronic expansion valve number 2 (350), indoor fan (210) and an outdoor fan (410) can be formed under [e at least one number.

Said 3 (S1, S2, S3) (S1) temperature sensors includes a temperature sensor number 1, number 2 (S2) and (S3) number 3 temperature sensor can be a temperature sensor.

Said number 1 includes an outdoor unit (O) between the first temperature sensor (S1), can be formed to sense the temperature of the outdoor air.

Said number 2 (S2) and (S3) includes an outdoor unit (O) said number 3 temperature sensor has an external temperature sensor, said number 2 temperature sensor (S2) is an outdoor heat exchanger (400) can be formed at the inlet [...], said number 3 (S3) is an outdoor heat exchanger temperature sensor (400) can be formed at the outlet [...].

I.e., said number 2 temperature sensor (S2) operation mode when the mode air conditioner includes an outdoor heat exchanger (400) comprises a passage formed temperature sensing, said number 3 (S3) operation mode when the mode air conditioner includes an outdoor heat exchanger temperature sensor (400) refrigerant discharged from temperature sensing can be formed.

For example, said number 2 temperature sensor (S2) is an outdoor heat exchanger (400) number 1 on an electronic expansion valve (300) between said outdoor heat exchanger (400) can be disposed adjacent to side. In addition, said number 3 (S3) said temperature sensor is an outdoor heat exchanger (400) compressor (100) between said outdoor heat exchanger (400) can be disposed adjacent to side.

In addition, outdoor temperature is said number control unit (C), an outdoor heat exchanger (400) and an outdoor heat exchanger inlet inputted (400) based on at least one of the inputted into the outlet, an outdoor heat exchanger (400) number (i.e., number [...] transition is provided between the) before execution of whether [...] can be determined.

For example, outdoor temperature is said number control unit (C), an outdoor heat exchanger (400) inlet and outlet coolant temperature when air conditioner before executing each set at a temperature hereinafter [...] number inputted can be. (C) water level or said number is an outdoor heat exchanger (400) when the refrigerant outlet [...] inlet air conditioner can be [...] hereinafter set value difference number before executing.

Air conditioner before the execution number in conjunction with various number [...][...] since the disclosure before determining method, is a more specific description is dispensed to each other.

Said number control unit (C) is an outdoor heat exchanger (400) for number of on air conditioner on mode operation determines it necessary that number, said number-phase mode based on compressor (100), an electronic expansion valve number 1 (300), an electronic expansion valve number 2 (350), indoor fan (210) and an outdoor fan (410) [...] be a number.

The reference also 4, step 1 and 2 on process and corresponds to number is prepared, and the cooling medium flow path formed at one end of flow channel switching in step 3 by valve on mode number rush as follows. In addition, step 6 to 8 to the region exhibits the maximum mode is terminated and an air conditioner having corn type number heating again.

Said control section number (C) is an outdoor heat exchanger (400) when the number of [...] before, said indoor fan (210) of normal driving speed (V1) (V2) lower than the heating operation number 1 number 2 is driven by a predetermined driving speed on the number [...] number can be performed during time.

I.e., having corn type draw number automatically when the fan, said number control unit (C) indoor unit heat exchanger (200) at a side of the indoor fan (210) number 1 (V1) (V2) lower than the normal heating mode driving speed predetermined time number 2 driving speed to driven said indoor fan (210) [...] be a number.

I.e., [...] compressor (100) number even during the off said indoor fan (210) continues driving speed (V2) said number 2 can be driven. This, an outdoor heat exchanger (400) number of required heat capacity on outdoor heat exchanger (200) for functional accomplished in are disclosed.

The air conditioner includes a control section (C) on said number number number during compressor (100) be at least 1 times a predetermined time off.

For example, the air conditioner outdoor unit when said water level (C) said number number number on ingress with flow channel switching valve (400) having corn type number is a number by number (or conversion) and the coolant euro draw, said number number on the termination to said flow channel switching valve (400) is a coolant euro number by number (or conversion) can the water mode.

The, water level (C) (step 3) and said number on said number number immediately after said number is the number (step 5) start on ingress to said compressor (100) into the process be time off. The, said compressor (100) includes a number on the number during over 2 times can turn off disclosed.

This, said compressor (100) is driven into the flow channel switching valve (400) coolant euro by converted, the feed flow can be sudden flow direction changing according to indoor noise are disclosed.

In addition, even immediately after said compressor is on said number to said number control unit (C) end number (100) into the process be time off (step 6 reference). I.e., immediately after the start number on said number control unit (C) is continuously over said number and said compressor (100) into the process be time off.

This, said flow channel switching valve (400) converted by coolant euro over some period of time before and after the inertia by the one-way flow refrigerant can continue's oldest.

More specifically, the reference also 4, water level control command number (C) is number before [...] until, normal air conditioner water mode operation can be. For example, step 0 in Figure 4 to the normal air conditioner water mode operation can be.

Water mode number control unit (C) which is operable during fan normal mode is number 12 on need, on step 1 and 2 to state ready for mode operation number rush as follows. The, compressor (100) and the operational frequency of the electronic expansion valve number 2 (350) of the throttle a high relative to normal heating mode, an outdoor fan (410) and the freezing, flow channel switching valve (400) having corn type number is set to keep the heating mode before switching draw, indoor fan (210) in the heating mode (i.e., heating mode number 1 driving speed (V1)) state can be maintained.

Said electronic expansion valve in said number 2 step 2 (350) the opening degree of throttle opening is a predetermined number 1 number can be disclosed. For example, an electronic expansion valve in said number 2 step 2 (350) opening of the each engine cylinder can be adjusted to 15% to 17% of the state.

Then, in step 3, air conditioner number [...] transition can begin disclosed. I.e., number in step 3 having corn type number can be admitted to the air conditioner operation mode control section (C) is drospirenone.

The, number control unit (C) resonator is (100) outside to a prescribed time, flow channel switching valve (400) having corn type draw converts a number, indoor fan (210) number 1 number 2 (V2) lower than the normal driving speed (V1) in heating mode can be driven by a driving speed.

I.e., number control unit (C) number of ingress number on immediately after compressor (100) is in an off state into the indoor fan (210) continually driving reason for wanting to an outdoor heat exchanger (400) for the number of on in order to ensure heat are disclosed.

The, compressor (100) is remains stopped flow channel switching valve (400) of converting the substrate, in the indoor unit (I) noise occurring when shifting direction flow of refrigerant can be reduced.

In addition, control section (C) said number to said number start number is on said compressor (100) is in an off state while the (step 5 reference), electronic expansion valve said number 2 (350) number [...] be maximum opening of a throttle opening. I.e., on start number to said number to said compressor (100) includes a main, electronic expansion valve said number 2 (350) completely open (100% open) state the number can be disclosed.

For example, step 5 of Figure 4 in said compressor (100) is in an off state during which is maintained, said number 2 an electronic expansion valve (350) maximum opening of a throttle opening can be increased. This, air conditioner on mode termination again ready for functional number particle size heating are disclosed.

On the other hand, said compressor (100) is over 2 times between off, electronic expansion valve said number 2 (350) the aforementioned number 1 number 2 gradually to decrease the opening degree of throttle opening is greater than the number by number control unit (C) can be disclosed. The, compressor (100) can be incrementally increasing the operational frequency of the.

I.e., said compressor (100) is 2 times between over off in step 4, an electronic expansion valve number 2 (350) decreases progressively while the opening of a, compressor (100) incrementally increasing number to number 2 by the operational frequency of the electronic expansion valve control section (C) (350) and compressor (100) is the number can be disclosed.

For example, said number control unit (C) includes said compressor (100) is 2 times between off, electronic expansion valve said number 2 (350) is the aforementioned number 2 to decrease stepwise opening of electronic expansion valve opening said number 1 opening in said number 2 (350) [...] be a number.

This, compressor (100) increasing the frequency of an outdoor heat exchanger (400) for number of attached on the heat on, electronic expansion valve number 2 (350) reduce the opening of the hard in indoor refrigerant flow noise are disclosed.

As well as, even in this case, electronic expansion valve number 2 (350) on calorific supplement reduced two-phase hydrogen cations according to number an indoor fan (210) driving speed (V2) can be activated continues to these number 2.

The electronic expansion valve opening said number 1 said number 2 (350) is opened completely state represents approximately 15% -17% degree of opening, said number 2 the electronic expansion valve opening said number 2 (350) is opened completely state can exhibit approximately 49% -51% degree of opening.

Check number [...] progression after ending step 5, step 6 to 8 again over air conditioner water mode operation can be.

Hereinafter, with reference to other drawing, the air conditioner according to an embodiment of the present invention method number is described substrate.

Figure 5 shows a method according to an embodiment of the present invention indicating the number flow air conditioner also are disclosed. With reference to fig. 5, in the air conditioner are described method number, reference number 2 to 4 air conditioner the air conditioner through a browser configuration has the same force even method number nontrivial disclosed.

The reference also 5, number determining step (S10) and the air conditioner according to an embodiment of the present invention is a method number (S20) before [...][...] number can be two or more.

Number determining step (S10) before [...] in outdoor temperature, an outdoor heat exchanger and an outdoor heat exchanger inlet inputted into the outlet to check whether number control unit (C) based on at least one inputted into the [...] execution can be judged by the number.

Before said number determining step (S10) on [...] satisfy requirements in number, two or more in number [...] (S20) through heating mode coolant euro on mode (or cooling mode) number of flow channel switching valve can be switched at coolant euro.

The, said number [...] (S20) in two or more, at a side of the indoor heat exchanger lower than the normal heating operation of an indoor fan driving speed (V1) (V2) number 1 number 2 driving speed can be driven. Said number 2 (V2) is 40% to 60% of the speed of said number 1 driving speed (V1) driving speed can be.

Said indoor and indoor air in the indoor heat exchanger by a blade smoothly exchanging refrigerant, an outdoor heat exchanger on number of required heat capacity can be secured.

Said number is two or more (S20) (S21) [...][...] number before start step, before step (S22) and before step (S23) end a number [...] number [...] progress can be. (S21) before step 3 in Figure 4 corresponds to the number is [...] start step, before step (S22) is step 4 in Figure 4 correspond to progress [...] said number, said number corresponding to step 5 in Figure 4 before step (S23) is [...] end can be.

In start step (S21) before said number [...], includes the flow channel switching by valve can be formed at one end. In addition, start step (S21) before said number [...][...] transition start and an active in number (100) as a preset time can turn off disclosed.

This, said compressor (100) is driven into the flow channel switching valve by coolant euro converted, the feed speed can be indoor flow noise or noise are disclosed.

(S21) before said number [...] in start step, the refrigerant that flows in a number 2 for regulating indoor electronic expansion valve (350) the opening of a throttle opening as a preset number number 1 can be disclosed. The electronic expansion valve opening said number 1 said number 2 (350) approximately 15% to 17% of the state is opened completely degree of the radiator side is connected to the edifice.

At the time of the start step (S21) before said number [...] (100) for driving is halted, and reducing the flow the refrigerant in the indoor device, closes the flow channel switching valve is composed, of air in the indoor refrigerant flow noise can be reduced.

However, indoor fan (210) continues since maintaining a state, an outdoor heat exchanger (400) for the amount of heat that number of on said indoor fan (210) by the driving of the indoor heat exchanger (200) on an indoor air can be via association.

In step (S22) [...] progress before said number, said number 2 an electronic expansion valve (350) opening said number 1 number 2 to decrease gradually the number is higher than the opening degree of the throttle can be disclosed. For example, in progress before step (S22) [...] said number, said number 2 an electronic expansion valve (350) opening said number 2 said number 1 in the opening of a throttle opening can be reduced step by step.

Electronic expansion valve said number 2 (350) of the radiator side is decreases, the refrigerant flow circuit board indoor unit, the indoor unit in flow of refrigerant can be reduced noise. As well as, in the indoor refrigerant flow rate of second regions is extended, indoor fan (210) so that the continued, said indoor fan (210) by the action of heat on number for can be secured.

In step (S23) said number [...] end before said compressor (100) as a preset time can turn off disclosed. This, again after the [...] number before the flowing direction of the refrigerant-water mode for reducing refrigerant flow noise occurring when shifting by switching sound arresting or are disclosed.

In addition, an electronic expansion valve in step (S23) said number [...] end before said number 2 (350) number 1308. the maximum opening degree of throttle opening. I.e., before step (S23) said number [...] end in said compressor (100) includes a main, electronic expansion valve said number 2 (350) is opened completely (100% open) state the number can be disclosed. This, air conditioner on mode termination again heating mode is used to create a ready by number are disclosed.

The aforementioned, [...] number before start phase (S21), before step (S22) and before step (S23) number [...] progress during [...] number end, said indoor fan (210) continues to drive the driving speed (V2) said number 2 can be. The, number phase can be sufficiently secured r22. made.

On the other hand, the air conditioner according to an embodiment of the present invention method (S20) after said number [...] number is two or more, can be normal heating operation further includes a step (S30).

In normal heating operation step (S30) on particle mode for said fan number can be actuated. Step (S30) of Figure 4 includes a normal heating operation corresponding to step 6 to 8 can be.

(S23) between step (S30) on normal heating operation before termination step number [...], flow channel switching valve (400) is in heating mode switch back on by refrigerant channel number (or refrigerant flow direction) can be.

Step (S30) when normal heating operation started, said compressor (100) includes a predetermined time can be kept off. I.e., said compressor (100) includes a step (S23) before said step (S30) between the beginning of normal heating operation number [...] end from being off can be kept.

This, said flow channel switching valve (400) converted by coolant euro over some period of time before and after the inertia by the one-way flow refrigerant lasts, compressor (100) is reached normal heating operation step (S30) refrigerant flow noise may be generated directly or switching sound arresting's oldest.

Thus, according to the present invention, two or more in number [...] 2 (S20) to planarize the surface compressor (100) remains stopped driven flow channel switching valve (400) is interpreted by the refrigerant flow direction, compressor (100) drives a refrigerant flow direction by switching over the switching sound arresting can be reduce or prevent.

In addition, two or more in number [...] (S20) increases the refrigerant flow rate of air in the indoor outdoor heat exchanger (400) for securing on number of heat without, refrigerant flowrate in the indoor state with a indoor fan (210) for driving through an outdoor heat exchanger (400) for on number of heat can be secured.

Thus, according to the present invention, increased in number according to flow of refrigerant in the indoor air conditioner on noise can be reduced in the disclosed method of ammonia absorptive.

And in the disclosure of the present invention preferred embodiment described above is for purposes of example, the present invention if one skilled in the range of the present invention idea and having common knowledge of various modification, change, magnetic by percussion, the modified, will change and addition of the following claim must to belong.