CN1502896A - Outdoor unit for air conditioner with loudspeaker - Google Patents

Outdoor unit for air conditioner with loudspeaker Download PDF

Info

Publication number
CN1502896A
CN1502896A CNA021532389A CN02153238A CN1502896A CN 1502896 A CN1502896 A CN 1502896A CN A021532389 A CNA021532389 A CN A021532389A CN 02153238 A CN02153238 A CN 02153238A CN 1502896 A CN1502896 A CN 1502896A
Authority
CN
China
Prior art keywords
loud speaker
noise
air conditioner
compressor
heat exchanger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA021532389A
Other languages
Chinese (zh)
Inventor
金炳纯
李相宪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Tianjin Appliances Co Ltd
Original Assignee
LG Electronics Tianjin Appliances Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Tianjin Appliances Co Ltd filed Critical LG Electronics Tianjin Appliances Co Ltd
Priority to CNA021532389A priority Critical patent/CN1502896A/en
Publication of CN1502896A publication Critical patent/CN1502896A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/40—Vibration or noise prevention at outdoor units
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

The present invention relates to an outdoor machine of air conditioner with loudspeaker for minimize the noise produced by outdoor machine. Said loudspeaker can be placed on the surface of compressor or placed on the surface of the baffle plate, and can produce the sound whose phase is opposite to noise produced by noise source compressor and fan so as to eliminate noise. The loudspeaker, best of all, adopts film plastic loudspeaker made of piezoelectric plastics. Said invention also provides the preparation method of said loudspeaker and its connection method with control box.

Description

The off-premises station that has the air conditioner of loud speaker
Technical field
The invention relates to air conditioner, particularly a kind of off-premises station that has the air conditioner of loud speaker.
Background technology
Fig. 1 is the oblique view of the off-premises station structure of prior art air conditioner.As shown in the figure, the outward appearance of air conditioner is made of chassis 30, front cover 32, backplate 34 and top cover 35.The off-premises station inside of air conditioner comprises compressor 52, heat exchanger 75 and blowing fan 44.Compressor 52 converts medium in the medium of HTHP; Heat exchanger 75 converts the medium of HTHP in the medium of low-temp low-pressure; Blowing fan 44 sucks extraneous air, carries out heat exchange at heat exchanger 75.Front cover 32 is provided with discharges grid 33, discharges grid 33 and discharges the air that passes through blowing fan 44 to the outside.
Blowing fan 44 is rotated by motor 42, by being arranged on electric machine support 40 fixed electrical machineries 42 on the chassis 30.Chassis 30 is provided with baffle plate 50.Baffle plate 50 vertically is arranged on the chassis 30, divides heat exchanger 75 sides and compressor 52 sides, and the effect of baffle plate 50 is, can make the stream that forms air by blowing fan 44 effectively, and the noise that produces on the blocking compressor 52 etc.Baffle plate 50 is provided with control cabinet 70, is provided with the parts that are used for Driven Compressor 52 grades in the control cabinet 70.Control cabinet 70 is provided with control panel 20, and parts such as motherboard 72 and electric capacity 73 are arranged on the control panel 20.
Below, the work of the off-premises station of prior art air conditioner is elaborated.Drive with refrigeration mode as air conditioner, the relative temperature of compressor compresses heat exchange from the heat exchanger of indoor set is carried out heat exchange than higher working fluid at heat exchanger 75 and outdoor air.Blowing fan 44 is forced to suck air outside by the through hole of backplate 34, by heat exchanger 75, discharges from discharging grid 33.
But the air conditioner of said structure has following shortcoming: motor 42 and compressor 52 produce very big noise in the parts on off-premises station.For example, off-premises station is arranged on the house balcony, perhaps during people's building of walking about outside, because of the noise effect that continues to produce surrounding enviroment.
Particularly, the noise that produces from compressor 52 is, in the driving by the radiation noise that produces with the vibrations of working fluid pressure systolic structures etc.The noise in the main low frequency of the noise field that compressor 52 self produces is many, and high frequency noise is less.In addition, for example, can subdue high frequency noise, but well subdue effect by using sound-absorbing member and screening line part not to form for low frequency noise by using sound-absorbing material and sound isolation material.
The low frequency noise of compressor 52 is a subject matter, because low frequency noise influences user's sense of hearing.Have only and reduce the noise that low frequency noise could reduce user's sense of touch.In addition, need equally to reduce high frequency noise, could integrally reduce noise.In addition, motor 42 and blowing fan 44 also produce a lot of noises.
Summary of the invention
In order to overcome the problem that above technology exists, the invention provides a kind of off-premises station that has the air conditioner of loud speaker, reach the purpose of the noise minimization that produces from the noise source of the off-premises station of air conditioner.
To achieve these goals, the technical solution used in the present invention is: comprise outward appearance portion, blowing fan assembly, heat exchanger, compressor, baffle plate and loud speaker, outward appearance portion constitutes outward appearance, is formed with the chassis on its bottom surface; The blowing fan assembly is located on the chassis, and outdoor air is drawn into inside, discharges to the outside again; Heat exchanger is located on the chassis, makes by the extraneous air of blowing fan assembly transmission and the working fluid of heat exchange circulation to carry out heat exchange; Compressor is located on the chassis, sends the working fluid that compresses to heat exchanger; Baffle plate is divided the space that is provided with of the stream of heat exchanger air and compressor; On the off-premises station of air conditioner, loud speaker is set, is used to eliminate the noise that produces on the noise source that includes compressor and blowing fan assembly.
Above-mentioned loud speaker is to mould the material loud speaker by the film that piezoelectric plastics forms;
Above-mentioned loud speaker produce with noise source on the corresponding sound of noise that produces, offset and abate the noise.
Characteristic according to the noise that produces can be provided with a plurality of loud speakers.
Above-mentioned loud speaker is arranged on the surface of compressor.
Above-mentioned loud speaker is arranged on the surface of baffle plate.
The present invention can bring following effect: form the sound of cancelling out each other by the noise that produces on loud speaker generation and the noise source, abate the noise.So in the present invention, the noise minimization that produces on can the off-premises station with air conditioner provides quiet, comfortable environment to the user.
Description of drawings
Fig. 1 is the exploded perspective view of the off-premises station structure of general air conditioner.
Fig. 2 is the exploded perspective view that the present invention has the off-premises station structure of loud speaker air conditioner.
Among the figure:
20: control panel 30: chassis
32: front cover 33: discharge grid
34: backplate 34 ': through hole
35: top cover 40: electric machine support
42: motor 44: blowing fan
50: baffle plate 52: compressor
60: loud speaker 62: tie line
70: control cabinet 72: motherboard
73: electric capacity 75: heat exchanger
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: Fig. 2 is the exploded perspective view that the present invention has the off-premises station structure of loud speaker air conditioner.As shown in the figure, the outward appearance of off-premises station is made of chassis 30, front cover 32, backplate 34 and top cover 35.
Chassis 30 forms the bottom surface of off-premises station, is provided with various parts above the chassis 30.Front cover 32 forms the front of off-premises station, and a side of front cover 32 is provided with discharges grid 33, and the effect of discharging grid 33 is to discharge the moving air of off-premises station inside to the outside.Backplate 34 forms the two sides and the back side of off-premises station, and backplate 34 is fixed on the chassis 30, is formed with a plurality of through holes 34 ' on the backplate 34, and through hole 34 ' is the path that sucks extraneous air.Above the top cover 35 formation off-premises stations, top cover 35 is fixed on backplate 34 and the front cover 32.
A side is provided with electric machine support 40 above the chassis 30, is fixed with motor 42 on the carriage 40.The rotating shaft of motor 42 is provided with blowing fan 44, and the through hole 34 ' of blowing fan 44 by backplate 34 is drawn into the inside of off-premises station with outdoor air, and the discharge grid 33 by front cover 32 is again to outdoor discharge.
Be provided with baffle plate 50 above the chassis 30, baffle plate 50 is divided and is provided with the part that blowing fan 44 forms the part of air flows and is provided with compressor 52.Compressor 52 sends the working fluid that compresses to heat exchanger 75 as the primary structure of heat exchange circulation.At this moment, the fluid that in the working fluid that compressor 52 transmits is indoor set at air conditioner, carried out heat exchange.
On the surface of compressor 52, be provided with loud speaker 60.Noise kind corresponding to producing preferably is provided with a plurality of loud speakers 60.Loud speaker 60 is wrapped on the surface of compressor 52, plays the noise that elimination compressor 52 produces.
Loud speaker 60 preferably adopts the film-type plastics loud speaker that is formed by piezoelectric plastics.This is, in order to use the off-premises station inner space effectively.
Film moulds the material loud speaker, is to make possessing the mode that piezoelectric properties form metal electrode on the surface of polyvinyladine floride after with the metal ion evaporation.
Tie line 62 is arranged on the loud speaker 60, and tie line 62 links with control cabinet 70.Loud speaker 60 obtains from the signal cancellation noise source of control cabinet 70 transmission by tie line 62, and loud speaker 60 produces and can form the sound whose phase that offset with the noise that compressor 52 produces, and eliminates the noise of compressor 52.
According to the state that is provided with of loud speaker 60, also can make loud speaker produce the film vibrations by the film feature, absorb the noise that produces from compressor 52, abate the noise.
Control cabinet 70 is arranged between baffle plate 50 and the backplate 34.Be provided with motherboard 72 and electric capacity 73 etc. in the control cabinet 70, motherboard 72 and electric capacity 73 are provided with the various parts that are used to control off-premises station.
Be provided with heat exchanger 75 with backplate 34 adjoining positions.Heat exchanger 75 carries out heat exchange at working fluid and the blowing fan 44 that compressor 52 transmits between the extraneous air of outside suction.For example, when air conditioner drives with refrigeration mode, at heat exchanger 75 to the extraneous air transfer of heat.
Loud speaker 60 can be located on a plurality of positions.For example, loud speaker 60 can be located on the surface of baffle plate 50.That is to say, loud speaker 60 can be located on the surface with compressor 52 corresponding baffle plates 50, perhaps with the surface of blowing fan 44 corresponding baffle plates 50 on.
The effect of off-premises station that the present invention is had an air conditioner of loud speaker is elaborated below: the place that the off-premises station of air conditioner carries out heat exchange as the working fluid after the heat exchange in indoor set and outdoor air, for example, when driving with refrigeration mode, the heat that will transmit from the space that is used for the air mediation, after carrying out heat exchange with indoor inhaled air on the heat exchanger 75, discharge to the outside.At this moment, send heat exchanger 75 to behind compressor 52 compression working fluids.
By the working fluid of heat exchange, via in the heat exchanger 75 time, and carry out heat exchange at compressor 52 from outdoor inhaled air.That is to say,, blowing fan 44 is rotated by the driving of motor 42, by the rotation of blowing fan 44, the outdoor air that sucks through through hole 34 ｀ of backplate 34, during by heat exchanger 75 and working fluid carry out heat exchange.
In addition, by the air of above-mentioned heat exchanger 75,, discharge to the outside through above-mentioned discharge grid 33 by said fan 44.In the driving of above-mentioned off-premises station, produce vibrations and noise from above-mentioned compressor 52 and blowing fan 44.
At this moment, above-mentioned loud speaker 60 produces specific sound and eliminates the noise that produces on the above-mentioned compressor 52, particularly, offsets low frequency noise.At this moment, the phase place of the noise that produces on the phase place of the sound wave that produces on the above-mentioned loud speaker 60 and the above-mentioned compressor 52 is mutually opposite phase place.
In addition, can use a plurality of loud speakers 60.That is to say,, be provided with and the corresponding loud speaker 60 of noise respectively according to the kind of noise; For example, offset the noise in high frequency field and the noise in low frequency field respectively, abate the noise.
As mentioned above, it is a kind of ripple that the present invention has sound in mind, utilizes the mutual interference effect of ripple to abate the noise; In addition, produce the sound of interfering mutually and offset hot-tempered sound energetically with noise.If the state that is provided with of loud speaker 60 is the states that can shake, also can pass through film shock absorbing noise, abate the noise.

Claims (6)

1. an off-premises station that has the air conditioner of loud speaker comprises outward appearance portion, blowing fan assembly, heat exchanger (75), compressor (52), baffle plate (50), and outward appearance portion constitutes outward appearance, is formed with chassis (30) on its bottom surface; The blowing fan assembly is located on the chassis (30), and outdoor air is drawn into inside, discharges to the outside again; Heat exchanger (75) is located on the chassis (30), makes by the extraneous air of blowing fan assembly transmission and the working fluid of heat exchange circulation to carry out heat exchange; Compressor (52) is located on the chassis (30), sends the working fluid that compresses to heat exchanger (75); Baffle plate (50) is divided the space that is provided with of the stream of heat exchanger air and compressor (52), it is characterized in that, loud speaker (60) is set on the off-premises station of air conditioner, is used for eliminating including the noise that produces on the noise source of compressor (52) and blowing fan assembly.
2. according to the described off-premises station that has the air conditioner of loud speaker of claim 1, it is characterized in that loud speaker (60) is the film-type plastics loud speaker (60) that is formed by piezoelectric plastics.
3. according to claim 1 or the 2 described off-premises stations that have the air conditioner of loud speaker, it is characterized in that, loud speaker (60) produce with noise source on the corresponding sound of noise that produces, offset and abate the noise.
4. according to the described off-premises station that has the air conditioner of loud speaker of claim 3, it is characterized in that the characteristic according to the noise that produces can be provided with a plurality of loud speakers (60).
5. according to claim 1 or the 4 described off-premises stations that have the air conditioner of loud speaker, it is characterized in that loud speaker (60) is arranged on the surface of compressor (52).
6. according to claim 1 or the 4 described off-premises stations that have the air conditioner of loud speaker, it is characterized in that loud speaker (60) is arranged on the surface of baffle plate (50).
CNA021532389A 2002-11-26 2002-11-26 Outdoor unit for air conditioner with loudspeaker Pending CN1502896A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA021532389A CN1502896A (en) 2002-11-26 2002-11-26 Outdoor unit for air conditioner with loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA021532389A CN1502896A (en) 2002-11-26 2002-11-26 Outdoor unit for air conditioner with loudspeaker

Publications (1)

Publication Number Publication Date
CN1502896A true CN1502896A (en) 2004-06-09

Family

ID=34235039

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA021532389A Pending CN1502896A (en) 2002-11-26 2002-11-26 Outdoor unit for air conditioner with loudspeaker

Country Status (1)

Country Link
CN (1) CN1502896A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015021721A (en) * 2013-07-24 2015-02-02 三菱電機株式会社 Outdoor unit of air conditioner
CN107762937A (en) * 2017-11-24 2018-03-06 北京小米移动软件有限公司 Fan system and the electronic equipment including the fan system
CN111426050A (en) * 2019-01-09 2020-07-17 青岛海尔空调器有限总公司 Air conditioner and control method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015021721A (en) * 2013-07-24 2015-02-02 三菱電機株式会社 Outdoor unit of air conditioner
CN107762937A (en) * 2017-11-24 2018-03-06 北京小米移动软件有限公司 Fan system and the electronic equipment including the fan system
CN111426050A (en) * 2019-01-09 2020-07-17 青岛海尔空调器有限总公司 Air conditioner and control method thereof

Similar Documents

Publication Publication Date Title
US6176345B1 (en) Pistonic motion, large excursion passive radiator
US5664020A (en) Compact full-range loudspeaker system
CN1054020C (en) Speaker apparatus
CN1166251C (en) Integrated speaker assembly of portable electronic device
CN1255820A (en) Loudspeaker device
CN1476734A (en) Speaker, speaker module, and electronic equipment using speaker module
US20040218777A1 (en) In-wall speaker system method and apparatus
CN1893732A (en) Speaker system and speaker enclosure
CN1333992A (en) Loudspeaker
WO2007136162A1 (en) Piezoelectric vibrator for regenerating sound, and piezoelectric panel speaker and piezoelectric earphone having the same
CN1502896A (en) Outdoor unit for air conditioner with loudspeaker
CN110364138A (en) A kind of Double-layer sound-insulation structure and control method based on Shunt Damping System
CN1250044C (en) Loudspeaker and loudspeaker system
EP1179283A2 (en) Bending wave loudspeakers
JP2001355877A (en) Structure and method for reducing noise for outdoor unit for air conditioner
US20080085029A1 (en) In-wall speaker system method and apparatus
WO1996028949A1 (en) Loudspeaker
US7218749B1 (en) Method for sound reproduction and pillar loudspeaker
CN213305660U (en) Long service life's stereo set
CN1502886A (en) Integrated air conditioner with loudspeaker
CN113260202A (en) Internet rack of damping buffering
CN213066511U (en) Mobile air conditioner with active noise reduction function
CN216893667U (en) Modular assembly type sound insulation cabin
CN218407718U (en) Permanent magnet variable frequency air compressor
CN221143127U (en) Green is noise reduction device for construction

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication