CN203489434U - Air conditioner - Google Patents

Air conditioner Download PDF

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Publication number
CN203489434U
CN203489434U CN201290000349.XU CN201290000349U CN203489434U CN 203489434 U CN203489434 U CN 203489434U CN 201290000349 U CN201290000349 U CN 201290000349U CN 203489434 U CN203489434 U CN 203489434U
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CN
China
Prior art keywords
mentioned
air
blow
outlet
air conditioner
Prior art date
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Expired - Fee Related
Application number
CN201290000349.XU
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Chinese (zh)
Inventor
竹田康坚
大冢雅生
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Sharp Corp
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Sharp Corp
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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17821—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
    • G10K11/17823—Reference signals, e.g. ambient acoustic environment
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1783—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
    • G10K11/17833—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions by using a self-diagnostic function or a malfunction prevention function, e.g. detecting abnormal output levels
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
    • 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
    • F24F2013/247—Active noise-suppression
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/104—Aircos

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Duct Arrangements (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Air-Flow Control Members (AREA)

Abstract

An air conditioner is equipped with: a main body case (2) in which an intake port (4) and a discharge port (5) are formed; a blowing channel (6) connecting the intake port (4) and the discharge port (5); a blower (7), which is arranged within the blowing channel (6), causes air within a room to flow in from the intake port (4), and discharges conditioned air into the room from the discharge port (5); and a sound-emitting unit (21), which is arranged on the wall surface of a discharge passage (12) formed between the blower (7) and the discharge port (5) by the blowing channel (6), and emits sound waves which cancel out operating noise, including the blowing noise from the blower (7). The length L2 of the discharge passage (12) between the sound-emitting unit (21) and the discharge port (5) is greater than the width L1 of the discharge passage (12) in the direction perpendicular to the wall surface on which the sound-emitting unit (21) is arranged.

Description

Air conditioner
Technical field
The utility model relates to air conditioner, particularly relates to the air conditioner of the noise in the time of reducing running.
Background technology
Existing air conditioner is disclosed in patent documentation 1.This air conditioner disposes air blast in the air-supply path of indoor set.The one end in air-supply path offers blow-off outlet, is provided with microphone and loudspeaker between air blast and blow-off outlet.And, with the identical frequency of the noise with by the detected CF of microphone and sound pressure level, from loudspeaker, launch the sound wave of opposite phase.
Thus, carry out sound wave from the opposite phase of loudspeaker transmitting overlapping and offset the Active noise control using (hereinafter referred to as " Active Noise Control ") of noise with respect to noise.Noise in the time of utilizing Active Noise Control to reduce air conditioner running.
prior art document
patent documentation
Patent documentation 1: JP 63-140897 communique
Patent documentation 2: Unexamined Patent 6-43884 communique
Patent documentation 3: JP 2005-201565 communique
Utility model content
the problem that utility model will solve
When carrying out Active Noise Control, the sound wave of the noise of advancing in the enclosure space of pipeline that becomes one dimension sound field (propagation of sound is limited in the sound field of a direction) is close to plane wave.Therefore, utilize the sound wave of the opposite phase of launching from the sound source (loudspeaker) of counteracting use to offset noise, can effectively carry out Active Noise Control.
On the other hand, in the three-dimensional sound field (sound field that sound is propagated in random direction) of free-space propagation, sound wave is spherical wave.Therefore, produce and utilize the sound wave of opposite phase to offset the region of noise and utilize synchronous sound wave to increase the region of noise level.Thus, can not fully carry out Active Noise Control.
According to the air conditioner of above-mentioned formation, the loudspeaker and the blow-off outlet that are configured in the downstream of air blast approach, and the sound wave of therefore launching from loudspeaker passes to blow-off outlet and emits indoor with the state of spherical wave.Thus, same with the situation of carrying out Active Noise Control in three-dimensional sound field, there is following problem: in indoor generation, feel on the contrary the region that noise is noisy, can not fully obtain soundproof effect.
The purpose of this utility model is to provide the air conditioner that can improve the soundproof effect based on Active Noise Control.
for the scheme of dealing with problems
In order to achieve the above object, of the present utility model being characterised in that, possesses: main body casing, and it offers suction inlet and blow-off outlet; Air-supply path, it is communicated with above-mentioned suction inlet and above-mentioned blow-off outlet; Air blast, it is configured in above-mentioned air-supply path, and indoor air is flowed into from above-mentioned suction inlet, makes to regulate air to pass out to indoor from above-mentioned blow-off outlet; And pars stridulans, it is configured in the wall that blows out path in the above-mentioned air-supply path comprising between above-mentioned air blast and above-mentioned blow-off outlet, and the sound wave that the running noise of the air-supply sound that comprises above-mentioned air blast is offset in transmitting, the width that the Length Ratio that above-mentioned between above-mentioned pars stridulans and above-mentioned blow-off outlet blows out path blows out path perpendicular to direction above-mentioned of disposing the wall of above-mentioned pars stridulans is long.
According to this, form, the sound wave of the running noise of air blast etc. is overlapping with the sound wave of the opposite phase of launching from pars stridulans.Now, the Length Ratio that blows out path between pars stridulans and blow-off outlet is long perpendicular to the width that blows out path of direction of wall that disposes pars stridulans, therefore in the downstream of pars stridulans, blows out path and forms the pipe-like close to one dimension sound field.Thus, the sound wave of the sound wave of running noise and plane wave from pars stridulans transmitting is overlapping and be cancelled.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, possess the running noise that detects between above-mentioned air blast and above-mentioned pars stridulans with reference to use sound detection portion, from above-mentioned pars stridulans transmitting and the sound wave of being used the detected running noise of sound detection portion by the above-mentioned reference sound wave of opposite phase roughly.According to this, form, the running noise being produced by the driving with reference to detecting with sound detection portion due to air blast, from the sound wave of the waveform of pars stridulans transmitting counteracting running noise.Now, with reference to be configured in the upstream of pars stridulans with sound detection portion, can prevent with reference to the detection to the sound wave from pars stridulans transmitting with sound detection portion.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, possess the correction sound detection portion of detecting the running noise between above-mentioned pars stridulans and above-mentioned blow-off outlet, according to the mode that makes to be converged on by the grade of the detected running noise of sound detection portion by above-mentioned correction in the scope of regulation, proofread and correct the sound wave of launching from above-mentioned pars stridulans.According to this, form, the noise level running noise and the sound wave of launching from pars stridulans are overlapping detects by proofreading and correct with sound detection portion.And, by proofreading and correct by the testing result feedback of sound detection portion, from pars stridulans, send sound wave.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, the above-mentioned cross section that blows out path extends to form in a direction, and have a plurality of subregions that are divided into along air-flow, the aspect ratio in the cross section of above-mentioned subregion is compared closer to 1 with the above-mentioned aspect ratio that blows out the cross section of path.According to this, form, by blowing out path, be divided into aspect ratio closer to 1 subregion, the more difficult diffusion of running noise of each subregion, therefore closer to one dimension sound field.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, is respectively equipped with above-mentioned pars stridulans accordingly with a part or all above-mentioned a plurality of subregions of above-mentioned a plurality of subregions.According to this, form, from the pars stridulans that respectively the arrange transmitting sound wave corresponding with blowing out the part of a plurality of subregions of path or all a plurality of subregions.Also can pars stridulans be set at all subregions, also all subregions can be divided into the group that comprises a plurality of subregions, for each group, a pars stridulans is set.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, the above-mentioned cross section that blows out path extends to form in a direction, and there are a plurality of subregions that are divided into along air-flow, the aspect ratio in the cross section of above-mentioned subregion forms than the aspect ratio in the above-mentioned cross section that blows out path closer to 1, is respectively equipped with accordingly above-mentioned pars stridulans and above-mentioned with reference to using sound detection portion with a part or all above-mentioned a plurality of subregions of above-mentioned a plurality of subregions.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, the above-mentioned cross section that blows out path extends to form in a direction, and there are a plurality of subregions that are divided into along air-flow, the aspect ratio in the cross section of above-mentioned subregion forms than the aspect ratio in the above-mentioned cross section that blows out path closer to 1, is respectively equipped with accordingly above-mentioned pars stridulans, above-mentioned with reference to sound detection portion and above-mentioned correction sound detection portion with the parts of above-mentioned a plurality of subregions or all above-mentioned a plurality of subregions.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, being spaced apart below 85mm of the relative wall of above-mentioned subregion.According to this, form, in the be easy to get 2000Hz low-frequency band more of effect of Active Noise Control of specific volume, the width of each subregion is less than the half-wavelength of sound wave.Thus, the sound wave of low-frequency band is advanced at each subregion with the state of the plane wave close to perpendicular to pars stridulans, and each subregion is closer to one dimension sound field.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, above-mentioned subregion is cut apart at the further divided wall in the downstream of above-mentioned pars stridulans.According to this, form, pars stridulans of a plurality of via configuration of cutting apart for divided wall, each path is closer to one dimension sound field.Thus, can reduce pars stridulans.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, the blinds that utilization can change the wind direction of above-mentioned blow-off outlet forms above-mentioned partition wall.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, the above-mentioned path that blows out has the those widened sections flow path area in downstream being expanded with respect to upstream.According to this, form, the flow path resistance of those widened sections diminishes, and the kinetic energy efficiency of air-flow is converted to static pressure well.Thus, utilize a part of contributing the static pressure based on air blast to rise from the static pressure of kinetic energy conversion.In addition, the whole those widened sections that forms of path can blown out.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, is made as constant by the above-mentioned flow path area that blows out path between above-mentioned those widened sections and above-mentioned blow-off outlet.According to this, form, in the downstream of those widened sections, flow path area is constant, therefore easily forms one dimension sound field, carries out well Active Noise Control after the kinetic energy of air-flow is fully converted to static pressure.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, is made as constant by the above-mentioned flow path area that blows out the regulation interval of path.According to this, form, the interval constant at flow path area easily forms one dimension sound field, can carry out well Active Noise Control.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, aforementioned body casing is arranged on indoor wall, and in above-mentioned air-supply path, possess heat exchanger, from above-mentioned blow-off outlet, send the adjusting air that carries out heat exchange with above-mentioned heat exchanger.According to this, form, the main body casing of air conditioner is arranged on indoor wall.Utilize the driving of air blast, from blow-off outlet, send the adjusting air that carries out heat exchange with heat exchanger, heat running, cooling operation.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, at upper surface, offer above-mentioned blow-off outlet, aforementioned body casing is arranged on ground, and in above-mentioned air-supply path, possess and catch the debris collection section of collecting dust, from above-mentioned blow-off outlet, send the adjusting air of being removed dust by above-mentioned debris collection section.According to this, form, the main body casing of air conditioner is arranged on ground.The adjusting air that the dust that enters into the room air of main body casing from suction inlet is removed is sent from the blow-off outlet of upper surface, carries out indoor air cleaner.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, possesses above-mentioned blow-off outlet is opened to the movable panel of closing, and utilizes the above-mentioned panel of opening to extend the above-mentioned path that blows out.According to this, form, when air conditioner stops, the blow-off outlet of main body casing is closed by panel.When air conditioner drives, panel is opened, and utilizes panel to make to blow out path and extends, can be closer to one dimension sound field.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, one side at the fore-and-aft direction of aforementioned body casing is offered above-mentioned suction inlet, and make blow-off direction direction inclination to the formation face of above-mentioned suction inlet with respect to vertical top of the air-flow of above-mentioned blow-off outlet, the angle of inclination with respect to vertical top is made as below 35 ゜.
According to this, form, with respect to vertical inclination blow out path in the adjusting air that the circulates direction from blow-off outlet to an indoor sidewall relative with suction inlet be sent.The adjusting air that prevents from arriving this sidewall turns to suction inlet takes a shortcut, and can successfully rise.And, regulate air along indoor ceiling face and the circulation of other side wall surface and in indoor circulation.
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, middle position from above-mentioned blow-off outlet is made as to D to the distance of relative nearest indoor sidewall, the distance of the middle position of above-mentioned blow-off outlet and indoor ceiling face is made as to H, makes above-mentioned angle of inclination when the scope of 100mm < D < 600mm be greater than tan -1(D/H).
In addition, of the present utility model being characterised in that, in the air conditioner of above-mentioned formation, one side at the fore-and-aft direction of aforementioned body casing is offered above-mentioned suction inlet, and possess the ion generating device that the air-flow that makes to circulate in above-mentioned air-supply path contains ion, with respect to vertical top, the formation face to above-mentioned suction inlet rolls tiltedly the transport direction of the air-flow of above-mentioned blow-off outlet.According to this, form, the adjusting air that comprises ion is sent obliquely from blow-off outlet.
utility model effect
According to air conditioner of the present utility model, because the Length Ratio that blows out path between pars stridulans and blow-off outlet is long perpendicular to the width that blows out path of direction of wall that disposes pars stridulans, therefore in the downstream of pars stridulans, blow out path and form the pipe-like close to one dimension sound field.Therefore, the running noise sending to indoor can be reduced reliably, the soundproof effect of air conditioner can be improved.
Accompanying drawing explanation
Fig. 1 means the side cross-sectional, view of the air conditioner of the 1st embodiment of the present utility model.
Fig. 2 means the top cross-sectional view that blows out path of the air conditioner of the 1st embodiment of the present utility model.
Fig. 3 means the block diagram of formation of running noise control system of the air conditioner of the 1st embodiment of the present utility model.
Fig. 4 means the flow chart of the action that the running noise of the air conditioner of the 1st embodiment of the present utility model is controlled.
Fig. 5 means the side cross-sectional, view of the state of the sound wave that the running noise of the air conditioner of the 1st embodiment of the present utility model is controlled.
Fig. 6 means the side cross-sectional, view of the state of the sound wave that the running noise of the air conditioner of the 1st comparative example is controlled.
Fig. 7 means the figure of the noise level that the running noise of the air conditioner of the 1st embodiment of the present utility model is controlled.
Fig. 8 means the figure of the noise level that the running noise of the air conditioner of the 1st comparative example is controlled.
Fig. 9 means the flow chart of the action that other running noise of the air conditioner of the 1st embodiment of the present utility model is controlled.
Figure 10 means the side cross-sectional, view of the air conditioner of the 2nd embodiment of the present utility model.
Figure 11 means the top cross-sectional view that blows out path of the air conditioner of the 2nd embodiment of the present utility model.
Figure 12 means the block diagram of formation of running noise control system of the air conditioner of the 2nd embodiment of the present utility model.
Figure 13 means the flow chart of the action that the running noise of the air conditioner of the 2nd embodiment of the present utility model is controlled.
Figure 14 means the flow chart of the action that other running noise of the air conditioner of the 2nd embodiment of the present utility model is controlled.
Figure 15 means the side cross-sectional, view of the air conditioner of the 3rd embodiment of the present utility model.
Figure 16 means the top cross-sectional view that blows out path of the air conditioner of the 3rd embodiment of the present utility model.
Figure 17 means the block diagram of formation of running noise control system of the air conditioner of the 3rd embodiment of the present utility model.
Figure 18 means the flow chart of the action that the running noise of the air conditioner of the 3rd embodiment of the present utility model is controlled.
Figure 19 means the flow chart of the action that other running noise of the air conditioner of the 3rd embodiment of the present utility model is controlled.
Figure 20 means the side cross-sectional, view of the air conditioner of the 4th embodiment of the present utility model.
Figure 21 means the elevational sectional view in air-supply path of the air conditioner of the 4th embodiment of the present utility model.
Figure 22 means the side cross-sectional, view of the state of sound waves that the running noise of the air conditioner of the 4th embodiment of the present utility model is controlled.
Figure 23 means the side cross-sectional, view of the state of sound waves that the running noise of the air conditioner of the 2nd comparative example is controlled.
Figure 24 means the figure of the noise level that the running noise of the air conditioner of the 4th embodiment of the present utility model is controlled.
Figure 25 means the figure of the noise level that the running noise of the air conditioner of the 2nd comparative example is controlled.
Figure 26 means the side cross-sectional, view of the air conditioner of the 5th embodiment of the present utility model.
The specific embodiment
< the 1st embodiment >
Referring to accompanying drawing, embodiment of the present utility model is described.Fig. 1 means the side cross-sectional, view of the air conditioner of the 1st embodiment.Air conditioner 1 is arranged on indoor wall, forms and the indoor set that is arranged on outdoor off-premises station and is connected.
Air conditioner 1 possesses the main body casing 2 that is arranged on indoor sidewall W1, and dismounting is provided with freely and forms the front surface of main body casing 2 and the front panel 3 of upper surface.Main body casing 2 is by making to be located at the claw (not shown) at rear portion, side and engaging with the installing plate (not shown) that is mounted to the height of the ceiling face S that approaches sidewall W1 and supported.
Upper surface at main body casing 2 offers the suction inlet 4 of being located at front panel 3, in the front surface bottom of main body casing 2 and offer blow-off outlet 5 below front panel 3.Blow-off outlet 5 forms the essentially rectangular in the width extension of main body casing 2, in the face of front lower place arranges.
In the inside of main body casing 2, be provided with the air-supply path 6 that suction inlet 4 and blow-off outlet 5 are communicated with.In air-supply path 6, be provided with the fan 7(air blast of sending air).Due to the driving of fan 7, indoor air flow into air-supply path 6 from suction inlet 4, from blow-off outlet 5, is sent.As fan 7, preferably use horizontal flow fan (cross flow fan), but also can use the air blast of other kind.
Between suction inlet 4 in air-supply path 6 and fan 7, dispose indoor heat converter 9.Indoor heat exchanger 9 is connected to the compressor (not shown) that makes kind of refrigeration cycle running that is disposed at off-premises station, carries out heat exchange with the air of circulation in air-supply path 6.
Between suction inlet 4 and indoor heat converter 9, dispose air cleaner 8,8 pairs of air cleaners flow into air-supply path 6 air in dust catch collection.Between front panel 3 and air cleaner 8, be provided with air filter cleaner (not shown), air filter cleaner is for removing the dust of accumulating in air cleaner 8.In addition, between air cleaner 8 and indoor heat converter 9, be provided with electric dust collecting means (not shown).
In air-supply path 6, between fan 7 and blow-off outlet 5, be formed with the duct-like path 12 that blows out.The upper and lower surface that blows out path 12 is formed by upper wall 12a and lower wall 12b, surface, left and right by the sidewall 12c(of axle supports fans 7 with reference to Fig. 2) form.In addition, the place ahead of upper wall 12a and lower wall 12b tilts downwards, blows out path 12 and obliquely air-flow is guided to front lower place.
In addition, the mode that upper wall 12a and lower wall 12b leave at above-below direction with respect to upstream side gradually with downstream configures.Thus, blow out path 12 formation with respect to upstream side and the those widened sections that the flow path area in downstream is expanded, flow path resistance diminishes, so the kinetic energy efficiency of air-flow is converted to static pressure well.Therefore, utilize a part of contributing the static pressure based on fan 7 to rise from the static pressure of kinetic energy conversion, can reduce the power consumption of fan 7.
Near blow-off outlet 5 in blowing out path 12, dispose vertical blinds 19 and horizontal blinds 20.Vertical blinds 19 is set side by side with a plurality of at left and right directions, axle is supported on upper wall 12a and lower wall 12b and rotates freely.Thus, can change the wind direction of the left and right directions of the air-flow of sending from blow-off outlet 5.Horizontal blinds 20 is set side by side with a plurality of at above-below direction, axle be supported on blow out path 12 sidewall 12c(with reference to Fig. 2) and rotate freely.Thus, can change the wind direction of the above-below direction of the air-flow of sending from blow-off outlet 5.
At the upper wall 12a that blows out path 12, in the face of blowing out path 12, be provided with loudspeaker 21(pars stridulans).Utilization is carried out the running noise control based on Active Noise Control described later from the sound wave of loudspeaker 21 transmittings.In addition, also loudspeaker 21 can be located to lower wall 12b.As loudspeaker 21, preferably use joint space-efficient flat-plate loudspeaker, but also can use the loudspeaker of other kinds such as cylinder type.In addition, also can use the loudspeaker at air supply direction with directive property.
Fig. 2 represents to blow out the top cross-sectional view of path 12.Blow out path 12 and along air-flow, at left and right directions, be divided into a plurality of subregions 15 by dividing plate 14.Thus, the aspect ratio in the cross section of each subregion 15 is compared closer to 1 with the aspect ratio in the cross section that blows out path 12 of extending at left and right directions.Loudspeaker 21 is configured in respectively each subregion 15.In addition, the downstream of each subregion 15 is indulged blinds 19 and is further divided into a plurality of streams 18.
In the width W between the relative wall of the left and right directions of each subregion 15 (dividing plate 14) with the width L1(between the relative wall of above-below direction (upper wall 12a and lower wall 12b) with reference to Fig. 5) form below 85mm.Thus, below the half-wavelength of the sound wave that is spaced apart the frequency band lower than about 2000Hz of the relative wall of each subregion 15.
Fig. 3 means the block diagram of the formation of air conditioner 1.In the figure, only represent the control system of the running noise of air conditioner 1, omit the control system etc. of other kind of refrigeration cycle.
Control part 30 consists of microcomputer etc., has: operation mode test section 301, flow direction changer drive division 302, rotation speed of the fan configuration part 303, fans drive portion 304, rotation speed of the fan test section 305, rotation speed of the fan comparing section 306, counteracting sound storage part 307, counteracting sound selection portion 308 and speaker drive portion 309.
Operation mode test section 301 receives the signal input from remote controllers (hereinafter referred to as " remote controller ") 16, detects the operation mode (such as cooling operation, heat running, each air quantity/wind direction turning round etc.) of air conditioner 1.Flow direction changer drive division 302 according to operation mode can change vertical blinds 19 and horizontal blinds 20 towards.
The rotating speed of fan 7 is set in rotation speed of the fan configuration part 303 according to operation mode.Fans drive portion 304 is with the fan electromotor 17 of the rotating speed drive fan 7 by 303 settings of rotation speed of the fan configuration part.The rotating speed of the output detections fan 7 of rotation speed of the fan test section 305 based on fan electromotor 17.The rotating speed of 306 pairs of rotating speeds by the detected fan 7 of rotation speed of the fan test section 305 of rotation speed of the fan comparing section and the fan 7 set by rotation speed of the fan configuration part 303 compares.
Counteracting sound storage part 307 is according to the predefined multiple acoustic signals of operation mode storage.Counteracting sound selection portion 308 is selected the acoustic signals corresponding with operation mode from being stored in the acoustic signals of counteracting sound storage part 307.Speaker drive portion 309 outputs to loudspeaker 21 by the acoustic signals of being selected by counteracting sound selection portion 308.Thus, the sound wave from loudspeaker 21 transmitting regulations, carries out Active Noise Control.
As shown in dotted line in this figure, speaker drive portion 309 is also from operation mode test section 301 and the direct input signal of rotation speed of the fan test section 305.And, in the situation that for the situation beyond predefined operation mode, the rotating speed of fan 7 are below predefined rotating speed, not control from the mode of loudspeaker 21 transmitting sound waves.Thus, can not exceed needs and too much carry out Active Noise Control above, only feel to carry out Active Noise Control in the more uncomfortable situation of noise ratio.Therefore, energy efficiency is carried out Active Noise Control well and effectively.
Fig. 4 means the flow chart of the action that the running noise based on Active Noise Control of air conditioner 1 is controlled.In step S1, by operation mode test section 301, detected the operation mode of the input based on from remote controller 16.In step S2, according to operation mode, by flow direction changer drive division 302 make vertical blinds 19 and horizontal blinds 20 towards changing, control wind direction.
For example, when being started by remote controller 16 pilot block system blowdown firings, by operation mode test section 301, detected, by fans drive portion 304 drive fan 7.In addition, by the driving of compressor, make kind of refrigeration cycle running, indoor heat converter 9 is configured in the low-temp. portion of kind of refrigeration cycle.The indoor air that flow into air-supply path 6 from suction inlet 4 is removed dust by filter 8, electric dust collecting means (not shown).The air and the indoor heat converter 9 that are removed dust carry out heat exchange and are cooled.The adjusting air that has carried out heat exchange with indoor heat converter 9 passes out to indoor from blow-off outlet 5 with the wind direction by 16 indications of control device.Thus, indoor cooled.
When utilizing remote controller 16 pilot block system heat runs to start, by operation mode test section 301, detected, by fans drive portion 304 drive fan 7.In addition, by the driving of compressor, make kind of refrigeration cycle running, indoor heat converter 9 is configured in the high-temperature portion of kind of refrigeration cycle.The indoor air that flow into air-supply path 6 from suction inlet 4 is removed dust by filter 8, electric dust collecting means (not shown).The air and the indoor heat converter 9 that are removed dust carry out heat exchange and heat up.The adjusting air that has carried out heat exchange with indoor heat converter 9 from blow-off outlet 5 to pass out to indoor by the indicated wind direction of remote controller 16.Thus, indoor being heated.
In step S3, by counteracting sound selection portion 308, according to operation mode, selected the sound wave that is pre-stored within counteracting sound storage part 307.Now, according to operation mode, obtain in advance the running noise that comprises the air-supply sound that the rotation due to fan 7 produces, select and with the roughly the same frequency of the corresponding running noise of operation mode and sound pressure level, the sound wave of opposite phase roughly.
In step S4, utilize speaker drive portion 309, and launch by counteracting sound selection portion 308 selected sound waves from loudspeaker 21.Thus, the sound wave of running noise is overlapping and be cancelled with sound wave from loudspeaker 21 transmitting, and the running noise carrying out based on Active Noise Control is controlled.
Fig. 5 represents the state of the sound wave based on Active Noise Control of air conditioner 1.In addition, Fig. 6 represents the state of the sound wave based on Active Noise Control of the air conditioner 1 ' of the 1st comparative example.The loudspeaker 21 of the air conditioner 1 ' of the 1st comparative example and blow-off outlet 5 approach, and blow out path 12 shorter than present embodiment.Other part is same with present embodiment.In addition,, in these figure, vertical blinds 19 and horizontal blinds 20(have been omitted all with reference to Fig. 1).
In Fig. 5, Fig. 6, the width that blows out path 12 of the direction of the upper wall 12a of the setting position perpendicular to loudspeaker 21 is made as to L1, the setting position from loudspeaker 21 is made as to L2 to the length that blows out path 12 of blow-off outlet 5.The space C1 that the radius of now, take centered by loudspeaker 21 is L1 becomes with the soniferous space of spherical wave.
In the air conditioner 1 ' of the 1st comparative example, near enclosure space blow-off outlet 5 (in the space C2 that the radius of take centered by loudspeaker 21 is L2, surrounded by the upper surface, lower surface and the left and right side that blow out path 12 part) equates with space C1 or than its little (C1 ≈ C2).Therefore, from the sound wave of loudspeaker 21 transmittings, be difficult to complanation ripple, blowing out path 12 becomes the three-dimensional sound field of propagating in free space with spherical wave former state state.Therefore, can not obtain sufficient soundproof effect.
On the other hand, in the air conditioner 1 of present embodiment, length L 2 is longer than width L1, and space C2 is more formed extended at both sides than space C1 at air supply direction.Thus, near enclosure space blow-off outlet 5, blow out path 12 close to one dimension sound field, can make from the sound wave of loudspeaker 21 transmittings as plane wave propagation.Therefore, can obtain sufficient soundproof effect.
Now, the aspect ratio in the cross section of the stream of air-flow more easily forms one dimension sound field close to 1.Blow out path 12 and be divided into subregion 15 by dividing plate 14, the aspect ratio in the cross section of each subregion 15 is close to 1.Therefore, can make each subregion 15 closer to one dimension sound field, soundproof effect improves more.
In addition, Active Noise Control is difficult to produce phase deviation in the longer low-frequency band of wavelength, therefore can easily obtain soundproof effect.The air conditioner 1 of present embodiment, the width W (with reference to Fig. 2) of the width L1 of the above-below direction of subregion 15 and left and right directions is below 85mm, therefore at the frequency band lower than 2000Hz, is less than the half-wavelength of sound wave.Thus, the sound wave of low-frequency band is advanced at each subregion 15 under the state of the plane wave of the approaching installation surface perpendicular to loudspeaker 21.Therefore, can make each subregion 15 closer to one dimension sound field, soundproof effect further improves.
And the partition wall that is further included vertical blinds 19 due to each subregion 15 in the downstream of loudspeaker 21 is divided into stream 18, therefore can make stream 18 closer to one dimension sound field.
Fig. 7 means the figure of the reduction effect of the noise that the running noise of the air conditioner 1 of present embodiment is controlled.In addition, Fig. 8 means the figure of the reduction effect of the noise that the running noise of the air conditioner 1 ' of the 1st comparative example shown in above-mentioned Fig. 6 is controlled.In these figure, the longitudinal axis represents sound pressure level (unit: dB), transverse axis represents frequency (unit: Hz).In addition, in the drawings, when " ANC ON " represents that Active Noise Control is carried out, when " ANC OFF " represents that Active Noise Control stops.
In the air conditioner 1 of present embodiment, in measuring frequency range (0～5000Hz), sound pressure level declines to a great extent.On the other hand, in the air conditioner 1 ' of the 1st comparative example, in measuring frequency range (0～5000Hz), sound pressure level does not almost change.Therefore, by blowing out path 12, form pipe-like, can make soundproof effect improve.
Fig. 9 means the flow chart of the action that other running noise of the air conditioner 1 of present embodiment is controlled.With above-mentioned same, in step S11, utilize operation mode test section 301 to detect the operation mode of the input based on from remote controller 16.In step S12, according to operation mode, utilize flow direction changer drive division 302 make vertical blinds 19 and horizontal blinds 20 towards changing, control wind direction.
In step S13, utilize rotation speed of the fan test section 305 to detect the rotating speed of fan 7.In step S14, relatively by the rotating speed of the rotating speed of the detected fan 7 of rotation speed of the fan test section 305 and the fan 7 that set by rotation speed of the fan configuration part 303 according to operation mode.In step S15, whether the difference of judgement rotating speed of fan 7 relatively in step S14 is in predefined scope.
In the situation that the difference of the rotating speed of the rotating speed by the detected fan 7 of rotation speed of the fan test section 305 and the fan 7 that set by rotation speed of the fan configuration part 303 is in predefined scope, enter step S16.In step S16, by speaker drive portion 309, from loudspeaker 21 transmitting by counteracting sound selection portion 308 according to the selected sound wave of operation mode, carry out Active Noise Control.
In the judgement of step S15, in the situation that exceed predefined scope by the difference of the rotating speed of the rotating speed of the detected fan 7 of rotation speed of the fan test section 305 and the fan 7 that set by rotation speed of the fan configuration part 303, return to step S13, repeat step S13～S15.Then, when the difference of rotating speed becomes in setting range, enter step S16, transmitting sound wave.
Thus, take in blowing out path 12 noise of the more stable steady state of the air-flow of circulation carries out Active Noise Control as object.Therefore, can easily obtain the soundproof effect of Active Noise Control.
According to present embodiment, due to loudspeaker 21(pars stridulans) and blow-off outlet 5 between the length L that blows out path 12 2 than long perpendicular to the width L1 that blows out path 12 of direction of upper wall 12a that disposes loudspeaker 21, therefore in the downstream of loudspeaker 21, blow out path 12 and form the pipe-like close to one dimension sound field.Therefore, to the running noise of indoor transmitting, reduce reliably, can make the soundproof effect of air conditioner 1 improve.
Therefore in addition, can reduce the running noise of air conditioner 1, also can to user, not bring discomfort and the air quantity of air conditioner 1 is increased.Thus, can improve the efficiency of kind of refrigeration cycle, therefore also go far towards energy saving.
In addition, because the aspect ratio in the cross section of each subregion 15 is compared closer to 1 with the aspect ratio that blows out the cross section of path 12, therefore can make each subregion 15 closer to one dimension sound field.Therefore, can more improve soundproof effect.
In addition, owing to being respectively equipped with accordingly loudspeaker 21 with a plurality of subregions 15, therefore can carry out respectively Active Noise Control for the air-flow of circulation in each subregion 15.Therefore, can more improve soundproof effect.In addition, also can loudspeaker 21 be set at all subregions 15, also all subregions 15 can be divided into the group that comprises a plurality of subregions 15, for each group, a loudspeaker 21 is set.
In addition, due to being spaced apart below 85mm of the relative wall of subregion 15, therefore at the frequency band lower than 2000Hz, be less than the half-wavelength of sound wave.Thus, the sound wave of low-frequency band is advanced at each subregion 15 under the state of the plane wave of the approaching installation surface perpendicular to loudspeaker 21.Therefore, can make each subregion 15 further close to one dimension sound field, can make soundproof effect more improve.
In addition, the partition wall that is further included vertical blinds 19 due to each subregion 15 in the downstream of loudspeaker 21 is cut apart, and therefore can make at 19 formed streams 18 of vertical blinds closer to one dimension sound field.In addition, by being located at the loudspeaker 21 of each subregion 15, for a plurality of streams 18 of being cut apart by partition wall, carry out Active Noise Control, therefore can reduce loudspeaker 21.In addition, also can utilize the fixing partition wall not rotating that each subregion 15 is divided into a plurality of streams 18.
In addition, owing to blowing out that path 12 forms with respect to upstream side and those widened sections that the flow path area in downstream is expanded, so flow path resistance diminishes, so the kinetic energy efficiency of air-flow is converted to static pressure well.Therefore, utilize a part of contributing the static pressure based on fan 7 to rise from the static pressure of kinetic energy conversion, can reduce the power consumption of fan 7.
In addition, also can those widened sections be set in a part that blows out path 12, the flow path area that blows out path 12 between those widened sections and blow-off outlet 5 is made as constant.Thus, easily in the constant interval of flow path area, form one dimension sound field, after the kinetic energy of air-flow is fully converted to static pressure, can carry out well Active Noise Control.In addition, also can the flow path area in regulation interval that blow out a part for path 12 be made as constant.
< the 2nd embodiment >
Then, Figure 10 means the side cross-sectional, view of the air conditioner 1 of the 2nd embodiment.In addition, Figure 11 represents the top view that blows out path 12 of air conditioner 1.For facility is described, the same part of the 1st embodiment shown in Fig. 1～Fig. 9 with above-mentioned is marked to identical Reference numeral.Present embodiment is also provided with reference to using microphone 22 on the 1st embodiment basis.Other part is same with the 1st embodiment.
with reference to microphone 22(with reference to using sound detection portion) and blow out path 12 and pacify with facingbe loaded on upper wall 12a, be configured between fan 7 and loudspeaker 21.In addition, with reference to being configured in respectively each subregion 15 with microphone 22.Utilize with reference to detect the sound wave of the running noise of the air-supply sound that comprises fan 7 with microphone 22.Now, with reference to be configured in the upstream side of loudspeaker 21 can't detect the mode of the sound wave of launching from loudspeaker 21 with microphone 22.In addition, also can be by loudspeaker 21, with reference to being located at lower wall 12b with microphone 22.
Figure 12 means the block diagram of formation of the running noise control system of air conditioner 1.In control part 30, omitted the counteracting sound selection portion 308(of the 1st embodiment with reference to Fig. 3) and counteracting sound storage part 307(with reference to Fig. 3), and be provided with phasing back portion 310 and with reference to noise level detection unit 311.
Phasing back portion 310 makes the phasing back by the sound wave of the running noise with reference to detecting with microphone 22, forms the roughly sound wave of opposite phase.With reference to noise level detection unit 311, the acoustic pressure (noise level) of the running noise by with reference to detecting with microphone 22 and a reference value of regulation being compared and Output rusults.
As shown in dotted line in this figure, speaker drive portion 309 is also from noise level detection unit 311 direct input signals for operation mode test section 301, rotation speed of the fan test section 305 and reference.And, in the situation that for the rotating speed of the situation beyond predefined operation mode, fan 7 is that the situation below predefined rotating speed, the running noise being detected with microphone 22 by reference are below predefined noise level, be not controlled to from loudspeaker 21 transmitting sound waves.Thus, can not exceed the above Active Noise Control of too much carrying out of needs, only feel to carry out Active Noise Control in the more uncomfortable situation of noise ratio.Therefore, energy efficiency is carried out Active Noise Control well and effectively.
Figure 13 means the flow chart of the action that the running noise based on Active Noise Control of air conditioner 1 is controlled.In step S31, by operation mode test section 301, detected the operation mode of the input based on from remote controller 16.In step S32, according to operation mode, utilize flow direction changer drive division 302 make vertical blinds 19 and horizontal blinds 20 towards changing, control wind direction.
In step S33, by the sound wave of the running noise with reference to producing due to the driving of fan 7 with microphone 22 detections.In step S34, utilize phasing back portion 310 to make the phasing back by the sound wave with reference to detecting with microphone 22.In step S35, by speaker drive portion 309, make the sound wave of this opposite phase from loudspeaker 21 transmittings.Thus, the sound wave of running noise is overlapping and be cancelled with sound wave from loudspeaker 21 transmitting, and the running noise carrying out based on Active Noise Control is controlled.
Figure 14 means the flow chart of the action that other running noise of the air conditioner 1 of present embodiment is controlled.With above-mentioned same, in step S41, by operation mode test section 301, detected the operation mode of the input based on from remote controller 16.In step S42, according to operation mode, utilize flow direction changer drive division 302 make vertical blinds 19 and horizontal blinds 20 towards changing, control wind direction.
In step S43, by rotation speed of the fan test section 305, detected the rotating speed of fan 7.In step S44, the rotating speed of the rotating speed of the fan 7 relatively being detected by rotation speed of the fan test section 305 and the fan 7 being set by rotation speed of the fan configuration part 303 according to operation mode.In step S45, whether the difference of judgement rotating speed of fan 7 relatively in step S44 is in predefined scope.
In the situation that the difference of the rotating speed of the rotating speed by the detected fan 7 of rotation speed of the fan test section 305 and the fan 7 that set by rotation speed of the fan configuration part 303 is in predefined scope, enter step S46.In step S46, by the sound wave of the running noise with reference to producing due to the driving of fan 7 with microphone 22 detections.In step S47, utilize phasing back portion 310 to make the phasing back by the sound wave with reference to detecting with microphone 22.In step S48, by speaker drive portion 309, make the sound wave of this opposite phase from loudspeaker 21 transmittings.
In the judgement of step S45, in the situation that exceed predefined scope by the difference of the rotating speed of the rotating speed of the detected fan 7 of rotation speed of the fan test section 305 and the fan 7 that set by rotation speed of the fan configuration part 303, return to step S43, repeat step S43～S45.Then, when the difference of rotating speed becomes in setting range, enter step S46, transmitting sound wave.
Thus, take in blowing out path 12 noise of the more stable steady state of the air-flow of circulation carries out Active Noise Control as object.Therefore, can easily obtain the soundproof effect of Active Noise Control.
According to present embodiment, can obtain the effect same with the 1st embodiment.And, arrange the sound wave that detects between fan 7 and loudspeaker 21 with reference to microphone 22(with reference to use sound detection portion), the sound wave of the running noise detecting with microphone 22 from loudspeaker 21 transmittings and reference is the sound wave of opposite phase roughly.Thus, detect the actual noise producing due to the driving of fan 7, and can launch the sound of the waveform of counteracting for this.Therefore, can improve the precision of the soundproof effect of Active Noise Control.
In addition, owing to being respectively equipped with accordingly loudspeaker 21 and with reference to microphone 22, therefore can carrying out accurately respectively Active Noise Control for the air-flow of circulation in each subregion 15 with a plurality of subregions 15.In addition, also can loudspeaker 21 be set and with reference to microphone 22, also all subregions 15 can be divided into the group that comprises a plurality of subregions 15 at all subregions 15, for each group, a loudspeaker 21 is set and microphone 22 for reference.
< the 3rd embodiment >
Then, Figure 15 means the side cross-sectional, view of the air conditioner 1 of the 3rd embodiment.In addition, Figure 16 represents the top view that blows out path 12 of air conditioner 1.For facility is described, the same part of the 2nd embodiment shown in Figure 10～Figure 14 with above-mentioned is marked to identical Reference numeral.Present embodiment, on the 2nd embodiment basis, is also provided with and proofreaies and correct with microphone 23.Other parts and the 2nd embodiment are same.
Proofread and correct with microphone 23(and proofread and correct the sound detection portion that uses) and blow out path 12 and face and be arranged on upper wall 12a, be configured between loudspeaker 21 and blow-off outlet 5.In addition, proofread and correct and be configured in respectively each subregion 15 with microphone 23.Noise level overlapping by the sound wave of proofreading and correct the running noise of the air-supply sound that comprises fan 7 with microphone 23 detections and launch from loudspeaker 21.Now, proofread and correct and with microphone 23, can't detect the mode of sound wave of the air-supply sound of fan 7, to be configured in the downstream of loudspeaker 21.In addition, also can be by loudspeaker 21, with reference to being located at lower wall 12b with microphone 22 or correction with microphone 23.
Figure 17 means the block diagram of formation of the running noise control system of air conditioner 1.Control part 30 is also provided with on the 2nd embodiment basis to be proofreaied and correct by noise level detection unit 312 and sound wave correction unit 313.Proofread and correct with noise level detection unit 312 acoustic pressure (noise level) by proofreading and correct the sound detecting with microphone 23 is compared and Output rusults with a reference value of stipulating.313 pairs of sound wave correction units utilize the acoustic signals of the opposite phase of phasing back portion 310 reversions to proofread and correct.
When by proofreading and correct with noise level detection unit 312 according to by proofreading and correct when being judged to be noise level and being greater than a reference value of regulation with the sound wave that microphone 23 detects, by the sound wave correction unit 313 derivation correction signal corresponding with detection sound wave.And, utilize by the resulting correction signal of sound wave correction unit 313 utilizing the acoustic signals of the opposite phase of phasing back portion 310 reversions to proofread and correct.
Figure 18 means the flow chart of the action that the running noise based on Active Noise Control of air conditioner 1 is controlled.In step S51, by operation mode test section 301, detected the operation mode of the input based on from remote controller 16.In step S52, according to operation mode, utilize flow direction changer drive division 302 make vertical blinds 19 and horizontal blinds 20 towards changing, control wind direction.
In step S53, by the sound wave of the running noise with reference to producing due to the driving of fan 7 with microphone 22 detections.In step S54, utilize phasing back portion 310 to make the phasing back by the sound wave with reference to detecting with microphone 22.In step S55, by speaker drive portion 309, make the sound wave of this opposite phase from loudspeaker 21 transmittings.Thus, the sound wave of running noise is overlapping and be cancelled with sound wave from loudspeaker 21 transmitting.
In step S56, by proofreading and correct the sound wave detecting after offsetting with microphone 23.In step S57, by proofreading and correct with 312 judgements of noise level detection unit by proofreading and correct the noise level that detects with microphone 23 whether below a reference value of stipulating.By proofreading and correct, using the detected noise level of microphone 23 in the situation that end process below a reference value of regulation.
In the situation that by proofreading and correct a reference value that is greater than regulation by the detected noise level of microphone 23, enter step S58.In step S58, by sound wave correction unit 313, derive correction signal.Then, return to step S55, repeat step S55～S58.Thus, to be proofreaied and correct from the sound wave of loudspeaker 21 transmittings by the interior mode of scope (a reference value) that the detected noise level of microphone 23 converges on regulation by correction.
Figure 19 means the flow chart of the action that other running noise of the air conditioner 1 of present embodiment is controlled.With above-mentioned same, in step S61, by operation mode test section 301, detected the operation mode of the input based on from remote controller 16.In step S62, according to operation mode, utilize flow direction changer drive division 302 make vertical blinds 19 and horizontal blinds 20 towards changing, control wind direction.
In step S63, by rotation speed of the fan test section 305, detected the rotating speed of fan 7.In step S64, relatively by the rotating speed of the rotating speed of the detected fan 7 of rotation speed of the fan test section 305 and the fan 7 that set by rotation speed of the fan configuration part 303 according to operation mode.In step S65, whether the difference of judgement rotating speed of fan 7 relatively in step S64 is in predefined scope.
In the situation that the difference of the rotating speed of the rotating speed by the detected fan 7 of rotation speed of the fan test section 305 and the fan 7 that set by rotation speed of the fan configuration part 303 is in predefined scope, enter step S66.
In the judgement of step S65, in the situation that exceed predefined scope by the difference of the rotating speed of the rotating speed of the detected fan 7 of rotation speed of the fan test section 305 and the fan 7 that set by rotation speed of the fan configuration part 303, return to step S63, repeat step S63～S65.Then, when the difference of rotating speed becomes in setting range, enter step S66.Thus, take in blowing out path 12 noise of the more stable steady state of the air-flow of circulation carries out Active Noise Control as object.
In step S66, by the sound wave of the running noise with reference to producing due to the driving of fan 7 with microphone 22 detections.In step S67, utilize phasing back portion 310 to make the phasing back by the sound wave with reference to detecting with microphone 22.In step S68, by speaker drive portion 309, make the sound wave of this opposite phase from loudspeaker 21 transmittings.Thus, the sound wave of running noise is overlapping and be cancelled with sound wave from loudspeaker 21 transmitting.
In step S69, by proofreading and correct the sound wave detecting after offsetting with microphone 23.In step S70, by proofreading and correct with 312 judgements of noise level detection unit by proofreading and correct by the detected noise level of microphone 23 whether below a reference value of regulation.By proofreading and correct by the detected noise level of microphone 23 in the situation that below a reference value of regulation, end process.
In the situation that by proofreading and correct a reference value that is greater than regulation by the detected noise level of microphone 23, enter step S71.In step S71, by sound wave correction unit 313, derive correction signal.And, return to step S68, repeat step S68～S71.
According to present embodiment, can obtain the effect same with the 2nd embodiment.And, the correction that detects the running noise between loudspeaker 21 and blow-off outlet 5 is set and with microphone 23(, proofreaies and correct the sound detection portion that use), the mode converging on the grade of the running noise that detected with microphone 23 by correction in the scope of regulation is proofreaied and correct the sound wave of launching from loudspeaker 21.Thus, by the FEEDBACK CONTROL of the noise level after offsetting, can more improve the precision of Active Noise Control.
In addition, owing to being respectively equipped with accordingly loudspeaker 21, reference with microphone 22 and proofreading and correct and use microphone 23 with a plurality of subregions 15, therefore can carry out accurately respectively Active Noise Control for the air-flow circulating in each subregion 15.In addition, also can loudspeaker 21, reference be set with microphone 22 and proofread and correct and use microphone 23 at all subregions 15, also all subregions 15 can be divided into the group that comprises a plurality of subregions 15, for each group, a loudspeaker 21, reference be set with microphone 22 and proofread and correct and use microphone 23.
< the 4th embodiment >
Then, Figure 20 means the side cross-sectional, view of the air conditioner of the 4th embodiment.For facility is described, the same part of the 3rd embodiment shown in Figure 15～Figure 19 with above-mentioned is marked to identical Reference numeral.The air conditioner 40 of present embodiment omits the formation that makes kind of refrigeration cycle running, has and catches the air purifying function of collecting the dust that room air comprises.
Air conditioner 40 possesses the main body casing 2 being arranged on the F of ground.Front surface at main body casing 2 offers suction inlet 4, at upper surface, offers blow-off outlet 5.Blow-off outlet 5 forms the essentially rectangular in the width extension of main body casing 2, in the face of top arranges.In addition, at the upper surface of main body casing 2, and in the front and back of blow-off outlet 5, be provided with the panel 41 that can rotate that blow-off outlet 5 is opened close.
In the inside of main body casing 2, be provided with the air-supply path 6 that suction inlet 4 and blow-off outlet 5 are communicated with.In air-supply path 6, dispose the fan 7(air blast of sending air).By the driving of fan 7, indoor air flow into air-supply path 6 from suction inlet 4, from blow-off outlet 5, is sent.Fan 7 comprises Sirocco fan (centrifugal fan), disposes the impeller 7b that drives rotation by fan electromotor 7a in housing 42.As fan 7, also can use the air blast of other kind.
Between suction inlet 4 and fan 7, dispose air cleaner 8(debris collection section), air cleaner 8(debris collection section) to flow into air-supply path 6 air in dust catch collection.Air cleaner 8 is formed by HEPA filter etc.
In air-supply path 6, utilize housing 42 to be formed on the pipe-like of extending between fan 7 and blow-off outlet 5 vertically and blow out path 12.The front and rear surfaces that blows out path 12 is formed by antetheca 12d and rear wall 12e, surface, left and right by sidewall 12f(with reference to Figure 21) form.
Blowing out the antetheca 12d of path 12, be provided with loudspeaker 21(pars stridulans in the face of blowing out path 12), with reference to microphone 22(with reference to use sound detection portion) and proofread and correct with microphone 23(correction sound detection portion).Utilization is carried out the running noise control based on Active Noise Control from the sound wave of loudspeaker 21 transmittings.Also can be by loudspeaker 21, with reference to being located at rear wall 12e with microphone 22 and correction with microphone 23.
As loudspeaker 21, preferably use joint space-efficient flat-plate loudspeaker, but can use the loudspeaker of other kinds such as cylinder type.In addition, also can use the loudspeaker at air supply direction with directive property.
With reference to being configured between fan 7 and loudspeaker 21 with microphone 22, the sound wave of the running noise of the air-supply sound that comprises fan 7 is detected.Now, with reference to be configured in the upstream side of loudspeaker 21 can't detect the mode of the sound wave of launching from loudspeaker 21 with microphone 22.Proofread and correct and be configured between loudspeaker 21 and blow-off outlet 5 with microphone 23, the noise level detection running noise and the sound wave of launching from loudspeaker 21 are overlapping.Now, proofread and correct and with microphone 23, can't detect the mode of sound wave of the air-supply sound of fan 7, to be configured in the downstream of loudspeaker 21.
In addition, at the antetheca 12d that blows out path 12, dispose to the ion generating device 43 that blows out path 12 and discharge ion.
Figure 21 be the A of Figure 20 to view, represent to blow out the inside of path 12.The 12fYi downstream, two side that blows out path 12 configures with respect to the upstream side mode that direction is left to the left and right gradually.Thus, blow out path 12 formation with respect to upstream side and the those widened sections that the flow path area in downstream is expanded, flow path resistance diminishes, so the kinetic energy efficiency of air-flow is converted to static pressure well.Therefore, utilize a part of contributing the static pressure based on fan 7 to rise from the static pressure of kinetic energy conversion, can reduce the power consumption of fan 7.
Blow out path 12 and along air-flow, at left and right directions, be divided into a plurality of subregions 15 by dividing plate 14.Thus, the aspect ratio in the cross section of each subregion 15 is compared closer to 1 with the aspect ratio in the cross section that blows out path 12 that direction is extended to the left and right.In addition, at each subregion 15, configure respectively loudspeaker 21, reference with microphone 22 and proofread and correct and use microphone 23.
Each subregion 15 in the width W between the relative wall of left and right directions (dividing plate 14) with the width L1(between the relative wall of fore-and-aft direction (antetheca 12d and rear wall 12e) with reference to Figure 22) form below 85mm.Thus, below the half-wavelength of the sound wave that is spaced apart the frequency band lower than about 2000Hz of the relative wall of each subregion 15.
In addition, the block diagram of the 3rd embodiment shown in the formation of the running noise control system of air conditioner 40 and above-mentioned Figure 17 similarly forms.
In the air conditioner 40 of above-mentioned formation, when fan 7 drives, indoor air flow into air-supply path 6 from suction inlet 4.The air that flow into air-supply path 6 is removed dust by air cleaner 8.In addition, due to the driving of ion generating device 43, make the air of circulation in air-supply path 6 comprise ion.And the adjusting air that comprises ion of removing dust passes out to indoor from blow-off outlet 5.Thus, can carry out indoor air cleaner, and can utilize the indoor microorganism of ion pair, virus etc. to carry out sterilization.
Now, same with the 3rd embodiment, utilize the sound wave with reference to the running noise producing due to the driving of fan 7 with microphone 22 detections.And, make by the phasing back with reference to the detected sound wave of microphone 22, from the sound wave of loudspeaker 21 these opposite phases of transmitting.Thus, the sound wave of running noise is overlapping and be cancelled with sound wave from loudspeaker 21 transmitting.
In addition, utilize and proofread and correct the sound wave detecting after offsetting with microphone 23.In the situation that derive correction signal by correction by a reference value that the detected noise level of microphone 23 is greater than regulation.And, so that proofreaied and correct from the sound wave of loudspeaker 21 transmittings by the interior mode of scope (a reference value) that the detected noise level of microphone 23 converges on regulation by correction.
Figure 22 represents the state of the sound wave based on Active Noise Control of air conditioner 40.In addition, Figure 23 represents the state of the sound wave based on Active Noise Control of the air conditioner 40 ' of the 2nd comparative example.The loudspeaker 21 of the air conditioner 40 ' of the 2nd comparative example and blow-off outlet 5 approach, and blow out path 12 shorter than present embodiment.Other part is same with present embodiment.
In Figure 22, Figure 23, the width that blows out path 12 of the direction of the antetheca 12d of the setting position perpendicular to loudspeaker 21 is made as to L1, the setting position from loudspeaker 21 is made as to L2 to the length that blows out path 12 of blow-off outlet 5.The space C1 that the radius of now, take centered by loudspeaker 21 is L1 becomes with the soniferous space of spherical wave.
In the air conditioner 40 ' of the 2nd comparative example, near enclosure space blow-off outlet 5 (in the space C2 that the radius of take centered by loudspeaker 21 is L2, surrounded by the front surface, rear surface and the surface, left and right that blow out path 12 part) equates with space C1 or than its little (C1 ≈ C2).Therefore, from the sound wave of loudspeaker 21 transmittings, be difficult to complanation ripple, blowing out path 12 becomes the three-dimensional sound field of propagating in free space with spherical wave former state state.Therefore, can not obtain sufficient soundproof effect.
On the other hand, in the air conditioner 40 of present embodiment, length L 2 is longer than width L1, and space C2 is more formed extended at both sides than space C1 at air supply direction.Thus, near enclosure space blow-off outlet 5, blow out path 12 close to one dimension sound field, can make from the sound wave of loudspeaker 21 transmittings as plane wave propagation.Therefore, can obtain sufficient soundproof effect.
Now, utilize the panel 41 of opening to extend antetheca 12d and rear wall 12e, thereby make to blow out path 12, extend.Thus, can make the path 12 that blows out in the downstream of loudspeaker 21 in fact more extend.Therefore, can make to blow out path 12 closer to one dimension sound field.
In addition, the aspect ratio in the cross section of the stream of air-flow just more easily forms one dimension sound field close to 1.Blow out path 12 and be divided into subregion 15 by dividing plate 14, so the aspect ratio in the cross section of each subregion 15 is close to 1.Therefore, can make each subregion 15 closer to one dimension sound field, soundproof effect can improve more.
In addition, Active Noise Control is difficult for producing phase deviation in the longer low-frequency band of wavelength, therefore can easily obtain soundproof effect.The width W (with reference to Figure 21) of the width L1 of the fore-and-aft direction of the subregion 15 of the air conditioner 1 of present embodiment and left and right directions is below 85mm, therefore at the frequency band lower than 2000Hz, is less than the half-wavelength of sound wave.Thus, the sound wave of low-frequency band is advanced at each subregion 15 under the state of the plane wave of the approaching installation surface perpendicular to loudspeaker 21.Therefore, can make each subregion 15 further close to one dimension sound field, soundproof effect improves more.
Figure 24 means the figure of the reduction effect of the noise that the running noise of the air conditioner 40 of present embodiment is controlled.In addition, Figure 25 means the figure of the reduction effect of the noise that the running noise of the air conditioner 40 ' of the 2nd comparative example shown in above-mentioned Figure 23 is controlled.In these figure, the longitudinal axis represents sound pressure level (unit: dB), transverse axis represents frequency (unit: Hz).In addition, in the drawings, when " ANC ON " represents that Active Noise Control is carried out, when " ANC OFF " represents that Active Noise Control stops.
In the air conditioner 40 of present embodiment, in measuring frequency range (0～5000Hz), sound pressure level declines to a great extent.On the other hand, in the air conditioner 40 ' of the 2nd comparative example, in measuring frequency range (0～5000Hz), sound pressure level does not almost change.Therefore, by blowing out path 12, form pipe-like, can make soundproof effect improve.
According to present embodiment, same with the 3rd embodiment, loudspeaker 21(pars stridulans) length L that blows out path 12 and between blow-off outlet 52 is than long perpendicular to the width L1 that blows out path 12 of direction of antetheca 12d that disposes loudspeaker 21, therefore in the downstream of loudspeaker 21, blow out path 12 and form the pipe-like close to one dimension sound field.Therefore, to the running noise of indoor transmitting, reduce reliably, can make the soundproof effect of air conditioner 40 improve.
In addition, can reduce the running noise of air conditioner 40, therefore can not can user be brought to discomfort the air quantity of air conditioner 40 is increased.Thus, can will be present in airborne dust etc. remove rapidly, therefore also go far towards comfortableness and improve.
In addition, arrange the sound wave that detects between fan 7 and loudspeaker 21 with reference to microphone 22(with reference to use sound detection portion), the sound wave of the sound wave opposite phase of the running noise detecting with microphone 22 from loudspeaker 21 transmittings and reference.Thus, detect the noise in fact producing due to the driving of fan 7, can launch the sound to the waveform of its counteracting.Therefore, can improve the precision of the soundproof effect of Active Noise Control.
In addition, the correction that detects the running noise between loudspeaker 21 and blow-off outlet 5 is set and with microphone 23(, proofreaies and correct the sound detection portion that use) so that the mode that the grade of the running noise being detected with microphone 23 by correction converges in the scope of regulation is proofreaied and correct the sound wave of launching from loudspeaker 21.Thus, can utilize the FEEDBACK CONTROL of the noise level after offsetting more to improve the precision of Active Noise Control.
In addition, due to utilization, open the movable panel of closing blow-off outlet 5 and extend and blow out path 12, therefore can more extend in fact loudspeaker 21 downstream blow out path 12.Therefore, can make to blow out path 12 more close to one dimension sound field.
In the present embodiment, same with the 2nd embodiment, also can omit and proofread and correct with microphone 23.In addition, same with the 1st embodiment, also can omit microphone 22 and correction microphone for reference.
< the 5th embodiment >
Then, Figure 26 represents the side cross-sectional, view of the air conditioner 40 of the 5th embodiment.For facility is described, the part same with the 4th above-mentioned embodiment marked to identical Reference numeral.The path 12 that blows out of present embodiment is formed obliquely.Other part is same with the 4th embodiment.
Blowing out path 12 tilts to the direction that is formed with the front surface of suction inlet 4 with respect to vertical top.The tilt angle theta with respect to vertical top of center line that blows out the fore-and-aft direction of path 12 is below 35 ゜.Thus, by dedusting and the adjusting air that comprises ion, from blow-off outlet 5, be sent, when arriving the sidewall W1 relative with suction inlet 4, successfully rise, can prevent from turning to suction inlet 4 and take a shortcut.So the adjusting air that comprises ion is along the side wall surface circulation of indoor ceiling face S and other and in indoor circulation.
Thus, the air-flow that can suppress to send from blow-off outlet 5, to horizontal expansion, can add the arrival distance of air flow.Therefore, making increases along the air-flow of indoor wall with from the wind speed of the air-flow of the position away from air conditioner 40, can improve the effect of improving of air ambient, can effectively clean large-scale room air.In addition, can obtain with few air quantity expectation air ambient improve effect, the air that can cut the waste and send, and can reduce noise.And, from the noise of blow-off outlet 5 transmittings, can directly to user's residential area, not propagate, therefore can more realize low noise.
In addition, in the situation that make indoor air-tightness low owing to being located at the window, gap etc. of wall, because the increase of the wind speed of the air-flow of the wall along indoor obtains malleation effect, therefore can reduce the amount of the dust from outdoor to indoor intrusion.
Now, owing to blowing out path 12, tilt to make the air-flow of sending from blow-off outlet 5 to arrive wall W1, therefore near blow-off outlet 5, air-flow needn't be crooked sharp.Therefore, can reduce and blow out the pressure loss of path 12 and reduce power consumption, and can more reduce noise.
In addition, middle position from blow-off outlet 5 is made as to D to the distance of the nearest indoor sidewall W1 relative with suction inlet 4, the distance of the middle position of blow-off outlet 5 and indoor ceiling face S is made as to H, when the scope of 100mm < D < 600mm, make tilt angle theta be greater than tan -1(D/H), form and blow out path 12 like this.The adjusting air that thus, can make to send from blow-off outlet 5 arrives sidewall W1 reliably.
According to present embodiment, can obtain the effect same with the 4th embodiment.In addition, due to the tilt angle theta with respect to vertical top that blows out path 12 is made as below 35 ゜, therefore can make the air-flow that arrives the sidewall W1 relative with suction inlet 4 along sidewall W1, ceiling face S and the circulation of other sidewall.Therefore, can be with in few air quantity clean room, and can realize low noise.In addition, can reduce and blow out the pressure loss of path 12 and reduce power consumption.
In addition, during due to scope at 100mm < D < 600mm, make tilt angle theta be greater than tan -1(D/H), therefore can make the adjusting air of sending from blow-off outlet 5 arrive reliably sidewall W1.
In the present embodiment, also can make suction inlet 4 configure towards indoor central portion (user's residential area).Now, because the transport direction of the adjusting air that comprises ion is oblique with respect to the formation face inclination of vertical upper direction suction inlet 4, therefore can make the air-flow that comprises ion discharge rapidly to residential area.
industrial utilizability
The utility model can be used in and be arranged on indoor wall, the air conditioner on ground.
description of reference numerals
1,40 air conditioners
2 main body casings
3 front panels
4 suction inlets
5 blow-off outlets
6 air-supply paths
7 fans (air blast)
8 air cleaners
9 indoor heat converters
12 blow out path
14 dividing plates
15 subregions
19 vertical blinds (partition wall)
20 horizontal blinds
21 loudspeakers (pars stridulans)
22 with reference to using microphone (with reference to using sound detection portion)
23 proofread and correct with microphone (proofreading and correct the sound detection portion that uses)
30 control parts
41 panels
43 ion generating devices

Claims (25)

1. an air conditioner, is characterized in that, possesses: main body casing, and it offers suction inlet and blow-off outlet; Air-supply path, it is communicated with above-mentioned suction inlet and above-mentioned blow-off outlet; Air blast, it is configured in above-mentioned air-supply path, and indoor air is flowed into from above-mentioned suction inlet, makes to regulate air to pass out to indoor from above-mentioned blow-off outlet; And pars stridulans, it is configured in the wall that blows out path in the above-mentioned air-supply path comprising between above-mentioned air blast and above-mentioned blow-off outlet, and the sound wave that the running noise of the air-supply sound that comprises above-mentioned air blast is offset in transmitting, the width that the Length Ratio that above-mentioned between above-mentioned pars stridulans and above-mentioned blow-off outlet blows out path blows out path perpendicular to direction above-mentioned of disposing the wall of above-mentioned pars stridulans is long.
2. air conditioner according to claim 1, it is characterized in that, possess the running noise that detects between above-mentioned air blast and above-mentioned pars stridulans with reference to use sound detection portion, from above-mentioned pars stridulans transmitting with by above-mentioned reference, used the sound wave of the sound wave opposite phase of the detected running noise of sound detection portion.
3. air conditioner according to claim 2, it is characterized in that, possess the correction sound detection portion of detecting the running noise between above-mentioned pars stridulans and above-mentioned blow-off outlet, according to the mode that makes to be converged on by the grade of the detected running noise of sound detection portion by above-mentioned correction in the scope of regulation, proofread and correct the sound wave of launching from above-mentioned pars stridulans.
4. according to the air conditioner described in any one in claim 1～claim 3, it is characterized in that, the above-mentioned cross section that blows out path extends to form in a direction, and have a plurality of subregions that are divided into along air-flow, the aspect ratio in the cross section of above-mentioned subregion is compared closer to 1 with the above-mentioned aspect ratio that blows out the cross section of path.
5. air conditioner according to claim 4, is characterized in that, is respectively equipped with accordingly above-mentioned pars stridulans with a part or all above-mentioned a plurality of subregions of above-mentioned a plurality of subregions.
6. air conditioner according to claim 4, is characterized in that, being spaced apart below 85mm of the relative wall of above-mentioned subregion.
7. air conditioner according to claim 4, is characterized in that, above-mentioned subregion is cut apart at the further divided wall in the downstream of above-mentioned pars stridulans.
8. air conditioner according to claim 7, is characterized in that, utilizes the blinds that can change the wind direction of above-mentioned blow-off outlet to form above-mentioned partition wall.
9. air conditioner according to claim 2, it is characterized in that, the above-mentioned cross section that blows out path extends to form in a direction, and there are a plurality of subregions that are divided into along air-flow, the aspect ratio in the cross section of above-mentioned subregion forms than the aspect ratio in the above-mentioned cross section that blows out path closer to 1, is respectively equipped with accordingly above-mentioned pars stridulans and above-mentioned with reference to using sound detection portion with a part or all above-mentioned a plurality of subregions of above-mentioned a plurality of subregions.
10. air conditioner according to claim 3, it is characterized in that, the above-mentioned cross section that blows out path extends to form in a direction, and there are a plurality of subregions that are divided into along air-flow, the aspect ratio in the cross section of above-mentioned subregion forms than the aspect ratio in the above-mentioned cross section that blows out path closer to 1, is respectively equipped with accordingly above-mentioned pars stridulans, above-mentioned with reference to sound detection portion and above-mentioned correction sound detection portion with the parts of above-mentioned a plurality of subregions or all above-mentioned a plurality of subregions.
11. according to claim 9 or air conditioner claimed in claim 10, it is characterized in that being spaced apart below 85mm of the relative wall of above-mentioned subregion.
12. according to claim 9 or air conditioner claimed in claim 10, it is characterized in that, above-mentioned subregion is cut apart at the further divided wall in the downstream of above-mentioned pars stridulans.
13. air conditioners according to claim 12, is characterized in that, utilize the blinds that can change the wind direction of above-mentioned blow-off outlet to form above-mentioned partition wall.
14. according to the air conditioner described in any one in claim 1～claim 3, it is characterized in that, the above-mentioned path that blows out possesses the those widened sections with respect to the flow path area expansion in Er Jiang downstream, upstream.
15. air conditioners according to claim 14, is characterized in that, the above-mentioned flow path area that blows out path between above-mentioned those widened sections and above-mentioned blow-off outlet is made as constant.
16. according to the air conditioner described in any one in claim 1～claim 3, it is characterized in that, the above-mentioned flow path area that blows out the regulation interval of path is made as constant.
17. according to the air conditioner described in any one in claim 1～claim 3, it is characterized in that, aforementioned body casing is arranged on indoor wall, and possesses heat exchanger in above-mentioned air-supply path, sends the adjusting air that carries out heat exchange with above-mentioned heat exchanger from above-mentioned blow-off outlet.
18. according to the air conditioner described in any one in claim 1～claim 3, it is characterized in that, at upper surface, offer above-mentioned blow-off outlet, aforementioned body casing is arranged on ground, and in above-mentioned air-supply path, possess and catch the debris collection section of collecting dust, from above-mentioned blow-off outlet, send the adjusting air of being removed dust by above-mentioned debris collection section.
19. air conditioners according to claim 18, is characterized in that, possess above-mentioned blow-off outlet is opened to the movable panel of closing, and utilize the above-mentioned panel of opening to extend the above-mentioned path that blows out.
20. air conditioners according to claim 18, it is characterized in that, one side at the fore-and-aft direction of aforementioned body casing is offered above-mentioned suction inlet, and make blow-off direction direction inclination to the formation face of above-mentioned suction inlet with respect to vertical top of the air-flow of above-mentioned blow-off outlet, the angle of inclination with respect to vertical top is made as below 35 ゜.
21. air conditioners according to claim 19, it is characterized in that, one side at the fore-and-aft direction of aforementioned body casing is offered above-mentioned suction inlet, and make blow-off direction direction inclination to the formation face of above-mentioned suction inlet with respect to vertical top of the air-flow of above-mentioned blow-off outlet, the angle of inclination with respect to vertical top is made as below 35 ゜.
22. air conditioners according to claim 20, it is characterized in that, middle position from above-mentioned blow-off outlet is made as to D to the distance of relative nearest indoor sidewall, the distance of the middle position of above-mentioned blow-off outlet and indoor ceiling face is made as to H, makes above-mentioned angle of inclination when the scope of 100mm < D < 600mm be greater than tan -1(D/H).
23. air conditioners according to claim 21, it is characterized in that, middle position from above-mentioned blow-off outlet is made as to D to the distance of relative nearest indoor sidewall, the distance of the middle position of above-mentioned blow-off outlet and indoor ceiling face is made as to H, makes above-mentioned angle of inclination when the scope of 100mm < D < 600mm be greater than tan -1(D/H).
24. air conditioners according to claim 18, it is characterized in that, one side at the fore-and-aft direction of aforementioned body casing is offered above-mentioned suction inlet, and possess the ion generating device that the air-flow that makes to circulate in above-mentioned air-supply path contains ion, with respect to vertical top, the formation face to above-mentioned suction inlet rolls tiltedly the transport direction of the air-flow of above-mentioned blow-off outlet.
25. air conditioners according to claim 19, it is characterized in that, one side at the fore-and-aft direction of aforementioned body casing is offered above-mentioned suction inlet, and possess the ion generating device that the air-flow that makes to circulate in above-mentioned air-supply path contains ion, with respect to vertical top, the formation face to above-mentioned suction inlet rolls tiltedly the transport direction of the air-flow of above-mentioned blow-off outlet.
CN201290000349.XU 2011-03-11 2012-01-06 Air conditioner Expired - Fee Related CN203489434U (en)

Applications Claiming Priority (3)

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JP2011054623A JP5107446B2 (en) 2011-03-11 2011-03-11 Air conditioner
JP2011-054623 2011-03-11
PCT/JP2012/050154 WO2012124355A1 (en) 2011-03-11 2012-01-06 Air conditioner

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WO (1) WO2012124355A1 (en)

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