KR200173045Y1 - Outdoor unit fan motor vibration damping apparatus - Google Patents
Outdoor unit fan motor vibration damping apparatus Download PDFInfo
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- KR200173045Y1 KR200173045Y1 KR2019970034613U KR19970034613U KR200173045Y1 KR 200173045 Y1 KR200173045 Y1 KR 200173045Y1 KR 2019970034613 U KR2019970034613 U KR 2019970034613U KR 19970034613 U KR19970034613 U KR 19970034613U KR 200173045 Y1 KR200173045 Y1 KR 200173045Y1
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- fan motor
- piezoelectric element
- vibration
- frequency
- outdoor unit
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Classifications
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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
- 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
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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
- 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
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
-
- 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
- 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
- F24F2013/245—Means for preventing or suppressing noise using resonance
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
- Air Conditioning Control Device (AREA)
Abstract
본 고안은 분리형 에어콘의 실외기 팬모터 진동 감쇄장치에 관한 것으로서, 특히 팬모터가 고정된 고정브라켓의 배면에 압전소자를 장착하고, 팬모터의 진동에 따라 압전소자에서 출력되는 전압신호의 주파수를 검출하는 주파수 검출부를 상기 압전소자에 접속하였다. 또한, 주파수 검출부에 접속된 제어부에는 검출된 주파수에 대응되는 주파수의 전압을 출력하여 상기 압전소자를 구동시키는 구동부를 접속하였다. 따라서, 압전소자가 구동되어 팬모터의 진동을 상쇄시키므로, 팬모터의 진동에 의해 발생되는 소음을 제거할 수 있다.The present invention relates to a vibration damping device for an outdoor unit fan motor of a separate air conditioner. In particular, a piezoelectric element is mounted on a rear surface of a fixed bracket to which a fan motor is fixed, and the frequency of the voltage signal output from the piezoelectric element is detected according to the vibration of the fan motor. The frequency detector was connected to the piezoelectric element. In addition, a control unit connected to the frequency detection unit was connected to a driving unit for outputting a voltage having a frequency corresponding to the detected frequency to drive the piezoelectric element. Therefore, the piezoelectric element is driven to cancel the vibration of the fan motor, so that noise generated by the vibration of the fan motor can be removed.
Description
본 고안은 분리형 에어콘의 실외기에 관한 것으로서, 특히 응축기를 냉각시키는 냉각팬을 구동하는 팬모터의 진동을 감쇄시켜 팬모터의 진동으로 인해 발생되는 소음을 제거할 수 있는 분리형 에어콘의 실외기 팬모터 진동 감쇄장치에 관한 것이다.The present invention relates to an outdoor unit of a separate air conditioner, and in particular, to reduce the vibration of the fan motor driving the cooling fan to cool the condenser, the outdoor unit fan motor vibration attenuation of the air conditioner that can remove the noise generated by the vibration of the fan motor Relates to a device.
일반적으로, 에어콘은 압축기, 응축기, 팽창밸브 및 증발기의 냉동사이클에 따른 냉매가스의 증발잠열을 이용하여 실내의 온도를 쾌적하게 유지하는 장치이다.In general, an air conditioner is a device that maintains a room temperature comfortably by using latent heat of evaporation of refrigerant gas according to a refrigeration cycle of a compressor, a condenser, an expansion valve, and an evaporator.
즉, 압축기가 냉매가스를 압축하여 포화압력까지 냉매가스의 압력과 온도를 상승시켜 주면 응축기가 물이나 공기를 이용하여 고온·고압의 냉매가스가 갖고 있는 열을 흡수하여 냉매가스를 응축·액화시킨다. 이와같이 응축·액화된 냉매가스는 팽창밸브의 교축작용에 의해 온도와 압력이 낮아지고, 이 냉매가스가 증발기에서 증발하면서 실내공기를 열교환시켜 실내온도를 쾌적하게 유지한다.That is, when the compressor compresses the refrigerant gas and raises the pressure and temperature of the refrigerant gas to the saturation pressure, the condenser absorbs the heat of the refrigerant gas of high temperature and high pressure by using water or air to condense and liquefy the refrigerant gas. . The refrigerant gas condensed and liquefied in this way has a low temperature and pressure due to the throttling action of the expansion valve, and the refrigerant gas evaporates in the evaporator to heat-exchange the indoor air to keep the indoor temperature comfortable.
상기와 같이 냉매가스를 압축하는 압축기는, 일반적으로 과도한 소음을 발생함에 따라 근래에는 쾌적한 실내환경을 위해 소음이 발생되는 상기 압축기를 실외에 설치하도록 된 분리형 에어콘이 제공되고 있다.As the compressor for compressing the refrigerant gas as described above, in general, as a result of excessive noise, a separate type air conditioner is provided to install the compressor in which the noise is generated outdoors for a comfortable indoor environment.
도 2는 분리형 에어콘의 실외기를 나타낸 도면으로, 실외기(100)의 베이스판(120) 일측에는 고온·고압의 냉매가스가 갖고 있는 열을 흡수하여 냉매가스를 응축·액화시키는 응축기(140)가 장착되어 있으며, 차단벽체(110)로 분리된 베이스판(120)의 타측에는 냉매가스를 압축하여 포화압력까지 냉매가스의 압력과 온도를 상승시켜 주는 압축기(130)가 장착되어 있다.2 is a view showing an outdoor unit of a separate air conditioner, one side of the base plate 120 of the outdoor unit 100 is equipped with a condenser 140 for absorbing the heat of the refrigerant gas of high temperature, high pressure to condense and liquefy the refrigerant gas On the other side of the base plate 120 separated by the blocking wall 110, a compressor 130 is mounted to increase the pressure and temperature of the refrigerant gas to the saturation pressure by compressing the refrigerant gas.
한편, 응축기(140)에는 팬모터(도시안됨)가 고정된 고정브라켓(150)이 결합되어 있으며, 상기 팬모터의 회전축(170)에는 응축기(140)를 냉각시키는 냉각팬(160)이 결합되어 있다.On the other hand, the condenser 140 is coupled to the fixed bracket 150 is fixed to the fan motor (not shown), the cooling shaft 160 for cooling the condenser 140 is coupled to the rotating shaft 170 of the fan motor have.
그러나, 상기와 같이 구성된 실외기의 팬모터가 구동되면 팬모터의 회전력에 의해 진동이 발생하고, 이 진동은 고정브라켓을 통해 베이스판으로 전달되어 다른 구성 요소들을 진동시킴에 따라 실외기의 전체적인 소음을 증폭시킬 수 있다는 문제점이 있었다.However, when the fan motor of the outdoor unit configured as described above is driven, vibration is generated by the rotational force of the fan motor, and this vibration is transmitted to the base plate through the fixing bracket to amplify the overall noise of the outdoor unit by vibrating other components. There was a problem that you can.
이에 본 고안은 상기와 같은 문제점을 해결하기 위해 고안된 것으로, 팬모터가 고정된 고정브라켓의 배면에 압전소자를 장착하고, 이 압전소자를 구동하여 팬모터의 진동을 상쇄시킴에 따라 팬모터의 진동으로 인해 발생되는 소음을 제거할 수 있는 분리형 에어콘의 실외기 팬모터 진동 감쇄장치를 제공하는 것을 그 목적으로 한다.The present invention is designed to solve the above problems, the piezoelectric element is mounted on the rear surface of the fixed bracket on which the fan motor is fixed, and the piezoelectric element is driven to offset the vibration of the fan motor by driving the piezoelectric element. It is an object of the present invention to provide an outdoor unit fan motor vibration damping device of a detachable air conditioner that can remove the noise generated by the air conditioner.
상기와 같은 목적을 달성하기 위하여 본 고안은, 분리형 에어콘의 실외기에 있어서, 냉각팬을 구동시키는 팬모터가 고정된 고정브라켓의 진동에 따른 전압신호를 출력하는 압전소자와, 상기 압전소자에서 출력되는 전압신호의 주파수를 검출하는 주파수 검출부와, 상기 주파수 검출부의 출력신호에 따라 팬모터의 진동을 감쇄시키기 위한 제어신호를 출력하는 제어부와, 상기 제어부의 출력신호에 따라 검출된 주파수에 대응되는 주파수의 전압을 출력하여 상기 압전소자를 구동시키는 구동부를 구비하는 것을 특징으로 한다.In order to achieve the above object, the present invention, in the outdoor unit of the separate air conditioner, a piezoelectric element for outputting a voltage signal according to the vibration of the fixed bracket fixed to the fan motor for driving the cooling fan, and output from the piezoelectric element A frequency detector for detecting a frequency of the voltage signal, a controller for outputting a control signal for attenuating vibration of the fan motor according to the output signal of the frequency detector, and a frequency corresponding to the frequency detected according to the output signal of the controller. And a driving unit for outputting a voltage to drive the piezoelectric element.
도 1은 본 고안에 따른 실외기 팬모터 진동 감쇄장치의 구성을 개략적으로Figure 1 schematically shows the configuration of the outdoor unit fan motor vibration damping apparatus according to the present invention
나타낸 도면,Shown,
도 2는 일반적인 분리형 에어콘의 실외기를 나타낸 도면.Figure 2 is a view showing an outdoor unit of a general removable air conditioner.
도면의 주요부분에 대한 부호의 설명Explanation of symbols for main parts of the drawings
10 : 냉각팬 20 : 팬모터10: cooling fan 20: fan motor
21 : 회전축 30 : 고정브라켓21: rotating shaft 30: fixed bracket
40 : 압전소자 50 : 주파수 검출부40: piezoelectric element 50: frequency detector
60 : 제어부 70 : 구동부60 control unit 70 drive unit
80 : 응축기 90 : 베이스판80: condenser 90: base plate
이하, 본 고안의 바람직한 일실시예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings a preferred embodiment of the present invention will be described in detail.
도 1은 본 고안에 따른 분리형 에어콘의 실외기 팬모터 진동 감쇄장치의 구성을 개략적으로 나타낸 도면으로, 실외기의 베이스판(90)에는 냉매가스를 응축·액화시키는 응축기(80)가 장착되어 있으며, 이 응축기(80)에는 팬모터(20)가 고정된 고정브라켓(30)이 결합되어 있다.1 is a view schematically showing the configuration of the outdoor unit fan motor vibration damping device of a separate air conditioner according to the present invention, the base plate 90 of the outdoor unit is equipped with a condenser 80 for condensing and liquefying refrigerant gas, The condenser 80 has a fixed bracket 30 to which the fan motor 20 is fixed is coupled.
상기 팬모터(20)의 회전축(21)에는 응축기(80)를 냉각시키는 냉각팬(10)이 장착되어 있으며, 고정브라켓(30)의 배면에는 압전소자(40)가 장착되어 있는데, 상기 압전소자(40)는 고정브라켓(30)의 진동에 따른 전압신호를 출력한다.The rotating shaft 21 of the fan motor 20 is equipped with a cooling fan 10 for cooling the condenser 80, and the piezoelectric element 40 is mounted on the rear surface of the fixed bracket 30, the piezoelectric element 40 outputs a voltage signal according to the vibration of the fixing bracket (30).
한편, 압전소자(40)에서 출력된 전압신호의 주파수를 검출하는 주파수 검출부(50)가 제어부(60)에 접속되어 있으며, 상기 제어부(60)에는 압전소자(40)를 구동시키는 구동부(70)가 접속되어 있다.On the other hand, the frequency detector 50 for detecting the frequency of the voltage signal output from the piezoelectric element 40 is connected to the control unit 60, the control unit 60 for driving the piezoelectric element 40 drive unit 70 Is connected.
따라서, 팬모터(20)를 구동시키면 회전축(21)에 결합된 냉각팬(10)이 회전하여 응축기(80)를 냉각시키고, 팬모터(20)는 회전력에 의해 진동하게 된다. 따라서, 팬모터(20)가 고정된 고정브라켓(30)도 진동하게 되는데, 이때 압전소자(40)는 고정브라켓(30)의 진동에 따른 전압신호를 출력한다.Therefore, when the fan motor 20 is driven, the cooling fan 10 coupled to the rotating shaft 21 rotates to cool the condenser 80, and the fan motor 20 is vibrated by the rotational force. Therefore, the fixed bracket 30 to which the fan motor 20 is fixed also vibrates, wherein the piezoelectric element 40 outputs a voltage signal according to the vibration of the fixed bracket 30.
상기와 같이 압전소자(40)가 고정브라켓(30)의 진동에 따른 전압신호를 출력하면 주파수 검출부(50)는 인가되는 전압신호의 주파수를 검출하고 이를 제어부(60)에 알린다.When the piezoelectric element 40 outputs the voltage signal according to the vibration of the fixed bracket 30 as described above, the frequency detector 50 detects the frequency of the applied voltage signal and informs the controller 60 of this.
이에따라, 제어부(60)는 검출된 주파수에 대응되는 주파수로 압전소자(40)를 구동하기 위한 제어신호를 출력하며, 이 제어신호에 따라 구동부(70)가 전압을 공급하여 압전소자(40)를 구동시키게 된다.Accordingly, the controller 60 outputs a control signal for driving the piezoelectric element 40 at a frequency corresponding to the detected frequency, and the driving unit 70 supplies a voltage according to the control signal to supply the piezoelectric element 40. Will be driven.
따라서, 팬모터(20)의 진동은 압전소자(40)의 구동에 의해 상쇄되므로, 고정브라켓(30)을 통해 베이스판(90)으로 전달되는 팬모터(20)의 진동을 감쇄시킬 수 있다.Therefore, the vibration of the fan motor 20 is canceled by the drive of the piezoelectric element 40, it is possible to attenuate the vibration of the fan motor 20 transmitted to the base plate 90 through the fixing bracket 30.
상기와 같이 본 고안은, 고정브라켓의 배면에 장착된 압전소자를 구동하여 팬모터의 진동을 상쇄시킴에 따라 팬모터의 진동이 고정브라켓을 통해 베이스판으로 전달되는 것을 차단할 수 있다. 따라서, 팬모터의 진동에 의해 발생되는 소음을 제거할 수 있으므로, 실외기의 전체적인 소음을 저감시킬 수 있다.As described above, the present invention, by driving the piezoelectric element mounted on the rear of the fixed bracket to offset the vibration of the fan motor can be prevented from transmitting the vibration of the fan motor to the base plate through the fixed bracket. Therefore, since the noise generated by the vibration of the fan motor can be removed, the overall noise of the outdoor unit can be reduced.
본 고안은 도면에 도시된 일실시예를 참고로 설명되었으나 이는 예시적인 것에 불과하며, 당해 기술분야에 통상의 지식을 지닌 자라면 이로부터 다양한 변형 및 균등한 타실시예가 가능하다는 점을 이해할 것이다.Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible.
따라서, 본 고안의 진정한 기술적 보호범위는 첨부된 실용신안등록청구범위에 의해서만 정해져야 할 것이다.Therefore, the true technical protection scope of the present invention should be determined only by the appended utility model registration claims.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019970034613U KR200173045Y1 (en) | 1997-11-28 | 1997-11-28 | Outdoor unit fan motor vibration damping apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019970034613U KR200173045Y1 (en) | 1997-11-28 | 1997-11-28 | Outdoor unit fan motor vibration damping apparatus |
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| Publication Number | Publication Date |
|---|---|
| KR19990021124U KR19990021124U (en) | 1999-06-25 |
| KR200173045Y1 true KR200173045Y1 (en) | 2000-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019970034613U KR200173045Y1 (en) | 1997-11-28 | 1997-11-28 | Outdoor unit fan motor vibration damping apparatus |
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| Country | Link |
|---|---|
| KR (1) | KR200173045Y1 (en) |
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- 1997-11-28 KR KR2019970034613U patent/KR200173045Y1/en not_active IP Right Cessation
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| KR19990021124U (en) | 1999-06-25 |
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