KR100726584B1 - Up and down reel - Google Patents

Up and down reel Download PDF

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Publication number
KR100726584B1
KR100726584B1 KR1020060059059A KR20060059059A KR100726584B1 KR 100726584 B1 KR100726584 B1 KR 100726584B1 KR 1020060059059 A KR1020060059059 A KR 1020060059059A KR 20060059059 A KR20060059059 A KR 20060059059A KR 100726584 B1 KR100726584 B1 KR 100726584B1
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KR
South Korea
Prior art keywords
drum
grill
sensor
air conditioner
optical sensor
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KR1020060059059A
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Korean (ko)
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신정훈
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신정훈
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38358873&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR100726584(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 신정훈 filed Critical 신정훈
Priority to KR1020060059059A priority Critical patent/KR100726584B1/en
Priority to JP2009506413A priority patent/JP2009533300A/en
Priority to CN2007800137464A priority patent/CN101421176B/en
Priority to US11/997,288 priority patent/US20080217460A1/en
Priority to PCT/KR2007/001870 priority patent/WO2007120009A1/en
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Publication of KR100726584B1 publication Critical patent/KR100726584B1/en

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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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • 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
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/14—Details or features not otherwise provided for mounted on the ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/22—Cleaning ducts or apparatus

Abstract

A device for sensing an rpm of a lifting reel drum for a ceiling type air conditioner is provided to precisely sense a drum rpm of a lifting reel by first and second optical sensors and sensor holes, thereby precisely lowering a grill at a desired position. A device for sensing an rpm of a lifting reel drum for a ceiling type air conditioner includes a plurality of sensor holes(100) disposed at edge parts of one of right and left sides of a drum(70) by a uniform interval and rotating in the same direction with the drum. First and second optical sensors(200,210) are positioned at both sides of the sensor holes, and sense passing of the sensor holes to recognize an rpm of the drum, so that the first and second optical sensors transmit the drum rpm to a printed circuit board.

Description

천정형 공기조화기용 승강릴의 드럼 회전수 감지장치{up and down reel}Drum speed detection device of lifting reel for ceiling type air conditioner {up and down reel}

도1은 본 발명에 따른 공기조화기용 승강릴의 설치 사용 상태를 나타낸 사시도,1 is a perspective view showing the installation and use of the lifting reel for an air conditioner according to the present invention,

도2는 본 발명에 따른 공기조화기용 승강릴의 평면 구성도,Figure 2 is a plan view of a lift reel for an air conditioner according to the present invention,

도3은 본 발명에 따른 드럼 회전수 감지장치의 요부 발췌 사시도,Figure 3 is a perspective view of the main portion of the drum speed detection device according to the invention,

도4는 본 발명에 따른 드럼 회전수 감지장치의 블록도,4 is a block diagram of a drum rotation speed detecting device according to the present invention;

도5는 본 발명에 따른 드럼 회전수 감지장치의 다른 실시예.5 is another embodiment of the drum speed detection device according to the present invention.

(도면의 주요 부분에 대한 부호의 설명)(Explanation of symbols for the main parts of the drawing)

100 ; 센서홀 200 ; 제1광센서100; Sensor hole 200; First optical sensor

210 ; 제2광센서 300 ; 회로기판210; Second optical sensor 300; Circuit board

본 발명은 천정형 공기조화기용 승강릴의 드럼 회전수 감지장치에 관한 것으로, 특히 와이어가 감기고 풀리는 드럼 측면 가장자리에 센서홀을 형성하고, 이 센서홀의 좌우측에는 제1광센서 및 제2광센서를 장치한 후, 그릴을 교환 또는 청소작업하고자 할 때 상기 제1,2광센서 및 센서홀에 의해 드럼 회전수가 정밀하게 감지 되어 그릴이 작업자의 소망하는 위치로 정확하게 하강 정지될 수 있도록 한 천정형 공기조화기용 승강릴의 드럼 회전수 감지장치에 관한 것이다.The present invention relates to a drum rotation speed detection device of a lifting reel for a ceiling type air conditioner, and in particular, a sensor hole is formed on a drum side edge at which a wire is wound and unwound, and a first optical sensor and a second optical sensor are provided on left and right sides of the sensor hole. After that, when the grill is to be replaced or cleaned, the drum rotation speed is accurately detected by the first and second optical sensors and the sensor hole, so that the grill can be stopped and lowered accurately to the desired position of the operator. It relates to a drum speed detection device of the lifting reel.

일반적으로 공기조화기는 냉매를 일방향 또는 타방향으로 유동시킴으로써 실내 공간을 냉방 또는 난방시킬 수 있는 장치이다. 이러한 공기조화기는 냉온공기를 발생시기는 공기조화기와, 상기 공기조화기에서 발생된 냉,온공기를 실내로 배출시킬 수 있도록 건축물의 천정면에 고정 설치되는 그릴 커버와, 상기 그릴 커버 하단에 위치하고 실내의 공기를 흡입하는 그릴로 이루어져 있다.In general, an air conditioner is a device capable of cooling or heating an indoor space by flowing a refrigerant in one direction or another direction. The air conditioner is an air conditioner that generates cold and hot air, a grill cover fixed to the ceiling surface of the building so as to discharge the cold and hot air generated from the air conditioner to the room, and is located below the grill cover. It consists of a grill that draws in the air inside.

이러한 종래 천정형 공기조화기를 이용하여 실내의 냉,난방을 실현할 수 있다는 이점은 있으나, 종래 천정형 공기조화기의 그릴은 항상 천정면에 고정 설치되어 있기 때문에 장기간 그릴을 사용시 그릴 주변에 많은 먼지가 흡착되어 위생상으로나 미관상 좋지 않은 단점이 있었다.The conventional ceiling-type air conditioner can be used to realize cooling and heating in the room. However, since the grill of the conventional ceiling-type air conditioner is always fixed to the ceiling surface, a lot of dust is adsorbed around the grill when the grill is used for a long time. There were disadvantages that were not good for hygiene or aesthetics.

따라서 근래에는 그릴을 지면으로 하강시켜 간편하게 그릴을 청소할 수 있는 천정형 공기조화기용 승강릴이 안출된 바 있다. 승강릴의 구성을 간단하게 살펴보면 일단은 그릴 상단에 연결되고 타단은 정역모터에 의해 정역 회전하는 드럼에 권취된 상태에서 하강신호가 입력되면 드럼에서 풀림과 동시에 그릴을 하강시키는 와이어로 구성되어 있다.Therefore, recently, a lifting reel for a ceiling type air conditioner, which can easily clean the grill by lowering the grill to the ground, has been conceived. Looking at the configuration of the lifting reel is briefly connected to the top of the grill and the other end is composed of a wire to lower the grill at the same time as the release signal is input to the drum while being wound on the drum rotating forward and reverse by the stationary motor.

상기와 같은 종래 승강릴을 이용하여 그릴의 교환 또는 청소작업시 그릴을 지상으로 하강시킬 수 있다는 이점은 있으나, 종래에는 한번의 누름동작을 통하여 그릴이 작업자의 소망하는 위치로 하강 정지될 수 있는 별도의 장치가 마련되어 있지 않기 때문에 하강 버튼을 계속 누르고 있거나 또는 하강 버튼 누름동작을 여러 번 수행해야 하는 불편한 문제점이 있었다.There is an advantage that the grill can be lowered to the ground during the replacement or cleaning operation of the grill by using the conventional lifting reel as described above, but in the related art, the grill may be stopped and lowered to the desired position of the worker through a single pressing operation. Since the device is not provided, there is an inconvenient problem of continuously pressing the down button or performing the push down button several times.

따라서 본 발명의 목적은 상기와 같은 종래의 문제점을 감안하여 안출한 것으로, 와이어가 감기고 풀리는 드럼 측면 가장자리에 센서홀을 형성하고, 이 센서홀의 좌우측에는 제1광센서 및 제2광센서를 장치한 후, 그릴을 교환 또는 청소작업 하고자 할 때 상기 제1,2광센서 및 센서홀에 의해 드럼 회전수가 정밀하게 감지하여 그릴이 작업자의 소망하는 위치로 정확하게 하강 정지될 수 있도록 한 공기조화기용 승강릴의 드럼 회전수 감지장치를 제공 하는데 있다.Accordingly, an object of the present invention is to provide a sensor hole in the drum side edges of the wire winding and unwinding in consideration of the conventional problems as described above, and the first and second optical sensors are provided on the left and right sides of the sensor hole. Then, when the grill is to be replaced or cleaned by the first and second optical sensor and the sensor hole to accurately detect the drum rotational speed so that the grill can be lowered down to the desired position of the operator lifter for air conditioners To provide a drum speed detection device.

상기와 같은 목적을 달성하기 위한 수단으로 본 발명은 드럼 좌,우측중 어느 하나의 측면 가장자리에 일정한 간격을 두고 다수 배열 형성되고 상기한 드럼과 동일한 방향으로 회전하는 센서홀과,The present invention as a means for achieving the above object is a plurality of sensor holes formed in a plurality of arrays at regular intervals on the side edge of the drum left, right and rotated in the same direction as the drum,

상기 센서홀의 좌우측에 각각 위치하고 센서홀이 통과할 때 마다 이를 감지하여 드럼 회전수를 회로기판으로 전달하는 제1광센서 및 제2광센서로 구성되는 것을 그 기술적 구성상의 기본 특징으로 한다.The technical features of the technical configuration are located on the left and right sides of the sensor hole, respectively, and configured as a first optical sensor and a second optical sensor that senses this each time the sensor hole passes and transmits the drum rotation speed to the circuit board.

이하 본 발명의 바람직한 실시예를 첨부도면을 참조하여 보다 상세하게 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도1은 본 발명에 따른 공기조화기용 승강릴의 설치 사용 상태를 나타낸 사시도 이고, 도2는 본 발명에 따른 공기조화기용 승강릴의 평면 구성도 이며, 도3은 본 발명에 따른 드럼 회전수 감지장치의 요부 발췌 사시도 이며, 도4는 본 발명에 따른 드럼 회전수 감지장치의 블록도 이며, 도5는 본 발명에 따른 드럼 회전수 감지장치의 다른 실시예이다.Figure 1 is a perspective view showing the installation and use of the air conditioner lift reel according to the present invention, Figure 2 is a plan configuration of the air conditioner lift reel according to the present invention, Figure 3 is a drum speed detection according to the present invention 4 is a block diagram of a drum speed detection device according to the present invention, and FIG. 5 is another embodiment of a drum speed detection device according to the present invention.

본 발명의 천정형 공기조화기도 냉온 공기를 발생시키는 공기조화기와, 상기 공기조화기에서 발생된 냉,온공기를 실내로 배출시킬 수 있도록 건축물의 천정면에 고정 설치되는 그릴 커버(40)와, 상기 그릴 커버(40) 하단에 위치하고 실내의 공기를 흡입하는 그릴(60)로 구성되고, 승강릴은 일단은 상기 그릴(60) 상단에 연결되고 타단은 정역모터(10)에 의해 정역 회전하는 드럼(20)에 권취되며 하강신호가 입력되면 드럼(20)에서 풀림과 동시에 그릴(60)을 하강시키는 와이어(30)로 구성되어 기본적으로 작동되는 것은 종래와 같다.Ceiling type air conditioner of the present invention is an air conditioner for generating cold and hot air, the grill cover 40 is fixed to the ceiling surface of the building so as to discharge the cold, hot air generated in the air conditioner to the room, and The grill cover 40 is located at the bottom of the grill 60 is configured to suck the air in the room, the lifting reel is connected to the top of the grill 60, the other end of the drum by the forward and reverse motor (10) Winding 20) when the falling signal is input is composed of a wire 30 for lowering the grill 60 at the same time as being released from the drum 20 is basically operated as in the prior art.

따라서 이하에서는 상기와 같은 천정형 공기조화기 및 승강릴의 구성 및 작동 관계에 대한 구체적인 설명은 생략하기로 한다.Therefore, hereinafter, a detailed description of the configuration and operation relationship of the ceiling type air conditioner and the lift reel will be omitted.

다만, 본 발명은 드럼 회전수를 더욱 정밀하게 감지하여 그릴이 작업자의 소망하는 위치로 정확하게 하강 정지될 수 있도록 한 것으로서 이는 도1 내지 도5에서와 같이 드럼(70) 좌,우측중 어느 하나의 측면 가장자리에 일정한 간격을 두고 다수 배열 형성되고 상기한 드럼(70)과 동일한 방향으로 회전하는 센서홀(100)과, 상기 센서홀(100)의 좌우측에 각각 위치하고 센서홀(100)이 통과할 때 마다 이를 감지하여 드럼 회전수를 회로기판(300)으로 전달하는 제1광센서(200) 및 제2광센서(210)로 구성된다.However, the present invention is to detect the drum rotation speed more precisely so that the grill can be accurately stopped stop to the desired position of the operator, which is one of the left and right of the drum 70 as shown in Figures 1 to 5 A plurality of arrays are formed at regular intervals at the side edges and are rotated in the same direction as the drum 70, respectively, and are positioned at the left and right sides of the sensor hole 100, respectively. It is composed of a first optical sensor 200 and a second optical sensor 210 to detect this every time and transmit the drum rotational speed to the circuit board 300.

상기 센서홀(100)은 드럼(70) 좌우측 측면중 어느 한쪽 측면 가장자리를 선택하고, 선택된 부분에 형성된다. 이러한 센서홀(100)은 도면에서는 우측에 형성되 어 있으나 드럼(70)의 회전수를 감지할 수 있다면 상황에 따라 좌측에 형성하여 사용할 수 있음을 밝혀두며, 센서홀(100)이 좌측에 형성되면 제1광센서(200) 및 제2광센서(210)도 좌측에 설치 사용된다.The sensor hole 100 selects one side edge of the left and right sides of the drum 70 and is formed at the selected portion. The sensor hole 100 is formed on the right side in the drawing, but if it can detect the rotational speed of the drum 70, it turns out that it can be used to form on the left side according to the situation, if the sensor hole 100 is formed on the left side The first optical sensor 200 and the second optical sensor 210 are also used on the left side.

한편, 상기와 같이 드럼(70) 회전수를 감지하는 수단으로 제1광센서(200)와 제2광센서를 사용하는 것으로 설명하였으나, 이에 한정되는 것은 아니고 비접촉식으로 드럼(70)회전수를 감지할 수 있다면 도5에서와 같이 드럼(70) 외측면에 근접센서(200a)를 설치한 후, 상기 근접센서(200a)를 센서홀(100)이 통과될 때 마다 이를 감지하여 전체적인 드럼(70)회전수를 감지할 수 있음을 밝혀둔다.Meanwhile, the first optical sensor 200 and the second optical sensor are described as means for detecting the rotational speed of the drum 70 as described above. However, the present invention is not limited thereto, and the rotational speed of the drum 70 is detected in a non-contact manner. If it is possible to install the proximity sensor 200a on the outer surface of the drum 70, as shown in Figure 5, the proximity sensor 200a is detected every time the sensor hole 100 passes through the entire drum 70 Note that the rotation speed can be detected.

미설명 부호 50은 무선으로 승강릴을 제어 컨트롤하는 무선리모콘이다.Reference numeral 50 is a wireless remote control for controlling the lift reel wirelessly.

이와 같이 구성된 본 발명의 드럼(70) 회전수는 와이어(30)의 굵기나, 드럼(70)에 권취된 와이어(30) 양이나, 드럼에 권취된 와이어가 최초 풀리거나 마지막에 풀리는 것에 따라 회전수가 다르다.The rotation speed of the drum 70 of the present invention configured as described above is rotated according to the thickness of the wire 30, the amount of the wire 30 wound on the drum 70, or the wire wound on the drum first unwinding or unwinding at the end. The number is different.

따라서 센서홀(100) 및 제1,2광센서(200)(210)가 설치된 천정형 공기조화기용 그릴 커버(40), 그릴(60) 및 승강릴이 셋트로 천정면에 설치되면 먼저 작업자가 그릴(60)을 하강시켜 작업하기 적당한 위치로 하강시키면 드럼(70)의 회전수는 무선리모콘(50)에 디스플레이 된다. 이때 그 회전수를 회로기판(300)에 셋팅한다.Therefore, when the grill cover 40, the grill 60, and the lifting reel for the ceiling type air conditioner, in which the sensor hole 100 and the first and second optical sensors 200 and 210 are installed, are installed on the ceiling surface, the operator first grills the grille. When the 60 is lowered to a position suitable for work, the rotation speed of the drum 70 is displayed on the wireless remote controller 50. At this time, the rotation speed is set on the circuit board 300.

상기와 같이 셋팅이 완료된 상태에서 그릴의 교환 또는 청소하고자 무선리모콘(50)의 하강 버튼을 누르면 정역모터(10)에 의해 드럼(70)이 회전하고, 드럼(70)이 회전함에 따라 드럼에 권취된 와이어(30)가 풀리면서 그릴(60)이 하강 하게된다.Pressing the down button of the wireless remote control 50 to replace or clean the grill in the setting is completed as described above, the drum 70 is rotated by the stationary motor 10, the drum 70 is wound around the drum as it is rotated As the wire 30 is released, the grill 60 is lowered.

이때 드럼(70)이 회전할 때 가장자리에 형성된 센서홀(100)이 동시에 회전하고, 이 센서홀(100)은 제1광센서(200)와 제2광센서(210) 사이에서 회전하며, 상기한 제1광센서(200) 및 제2광센서는 회전하는 센서홀(100)를 감지하는 상태가 된다.In this case, when the drum 70 rotates, the sensor hole 100 formed at the edge of the drum 70 rotates at the same time, and the sensor hole 100 rotates between the first optical sensor 200 and the second optical sensor 210. The first optical sensor 200 and the second optical sensor are in a state of detecting the rotating sensor hole 100.

따라서 제1광센서(200)와 제2광센서(210) 사이에서 센서홀(100)이 통과할 때마다 이를 감지하기 때문에 결과적으로 드럼(70)의 회전하는 순간 순간을 감지하는 상태가 된다. 한편 감지된 회전수는 회로기판(300)에 입력되고, 회로기판(300)에 입력된 회전수는 무선리모콘(50)의 액정화면에 디스플레이 된다.Therefore, since the sensor hole 100 is detected between the first optical sensor 200 and the second optical sensor 210 each time it passes, the result is a state of detecting the instant of rotation of the drum 70. Meanwhile, the detected rotation speed is input to the circuit board 300, and the rotation speed input to the circuit board 300 is displayed on the LCD screen of the wireless remote controller 50.

상기와 같은 상태로 계속 드럼(70)이 회전하다가 회로기판(300)에 셋팅된 회전수가 드럼(70) 회전수와 일치하면 정역모터(10)에 전원이 자동 차단되면서 그릴(30)의 하강 동작을 정지시키는 것이다.When the drum 70 continues to rotate as described above and the rotation speed set on the circuit board 300 matches the rotation speed of the drum 70, the power of the stationary motor 10 is automatically cut off and the lowering operation of the grill 30 is performed. To stop it.

이상에서 살펴본 바와 같이 본 발명에 의하면, 와이어가 감기고 풀리는 드럼측면 가장자리에 센서홀이 형성되어 있고, 이 센서홀의 좌우측에는 제1광센서 및 제2광센서가 각각 장치되어 있다.As described above, according to the present invention, a sensor hole is formed at a drum side edge at which the wire is wound and unwound, and a first optical sensor and a second optical sensor are provided at left and right sides of the sensor hole, respectively.

따라서 그릴을 교환 또는 청소작업 하고자 할 때 상기 제1,2광센서 및 센서홀이 서로 비접촉된 상태에서 드럼 회전수를 정밀하게 감지할 수 있으며, 이에따라 그릴은 작업자의 소망하는 위치로 정확하게 하강 정지할 수 있는 등의 효과가 있는 것이다.Therefore, when the grille is to be replaced or cleaned, the drum rotation speed can be accurately detected in the state where the first and second optical sensors and the sensor hole are not in contact with each other. Accordingly, the grille can be accurately lowered and stopped to the desired position of the operator. It can be such an effect.

Claims (2)

공기조화기에서 발생된 냉,온공기를 실내로 배출시킬 수 있도록 건축물의 천정면에 고정 설치되는 그릴 커버(40)와, 상기 그릴 커버(40) 하단에 위치하고 실내의 공기를 흡입하는 그릴(60)과, 일단은 상기 그릴(60) 상단에 연결되고 타단은 정역모터(10)에 의해 정역 회전하는 드럼(20)에 권취되며 하강신호가 입력되면 드럼(20)에서 풀림과 동시에 그릴을 하강시키는 와이어(30)로 이루어진 천정형 공기조화기용 승강릴에 있어서,Grill cover 40 is fixed to the ceiling surface of the building to discharge the cold, hot air generated in the air conditioner to the interior, and the grill 60 is located on the bottom of the grill cover 40 to suck the air in the room (60) And, one end is connected to the upper end of the grill 60 and the other end is wound on the drum 20 which is rotated forward and reverse by the forward and reverse motor 10, and when the falling signal is input, the drum 20 unwinds and lowers the grill at the same time In the lifting reel for a ceiling type air conditioner consisting of a wire 30, 상기 드럼(70) 좌,우측중 어느 하나의 측면 가장자리에 일정한 간격을 두고 다수 배열 형성되고 상기한 드럼(70)과 동일한 방향으로 회전하는 센서홀(100)과, 상기 센서홀(100)의 좌우측에 각각 위치하고 센서홀(100)이 통과할 때 마다 이를 감지하여 드럼 회전수를 회로기판(300)으로 전달하는 제1광센서(200) 및 제2광센서(210)로 구성되는 것을 특징으로 하는 천정형 공기조화기용 승강릴의 드럼 회전수 감지장치.A plurality of sensor holes 100 are formed at regular intervals on either side edges of the drum 70 at left and right sides and rotate in the same direction as the drum 70, and left and right sides of the sensor hole 100. Located in each of the sensor holes 100 is passed through the detection and the drum rotation speed to the circuit board 300 to transmit the first optical sensor 200 and the second optical sensor 210, characterized in that Drum speed detection device of lift reel for ceiling type air conditioner. 제1항에 있어서, 상기 드럼(70) 외측면에 근접센서(200a)가 설치 사용되는 것을 특징으로 하는 천정형 공기조화기용 승강릴의 드럼 회전수 감지장치.The apparatus of claim 1, wherein the proximity sensor (200a) is installed on the outer surface of the drum (70).
KR1020060059059A 2006-04-17 2006-06-29 Up and down reel KR100726584B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020060059059A KR100726584B1 (en) 2006-06-29 2006-06-29 Up and down reel
JP2009506413A JP2009533300A (en) 2006-04-17 2007-04-17 Lifting device provided with lifting reel
CN2007800137464A CN101421176B (en) 2006-04-17 2007-04-17 Grill hook for air conditioner
US11/997,288 US20080217460A1 (en) 2006-04-17 2007-04-17 Lifting Apparatus Having Lifting Reel
PCT/KR2007/001870 WO2007120009A1 (en) 2006-04-17 2007-04-17 Lifting apparatus having lifting reel

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KR200450078Y1 (en) * 2008-02-20 2010-09-02 (주)신한전기 Grill lift of zenith-type air conditioner
WO2019125042A1 (en) * 2017-12-21 2019-06-27 엘지전자 주식회사 Ceiling-type indoor unit of air conditioner
KR20190075818A (en) * 2017-12-21 2019-07-01 엘지전자 주식회사 Ceiling type indoor unit of air conditioner
KR20190088124A (en) * 2018-01-04 2019-07-26 인하대학교 산학협력단 Apparatus, system and method for monitoring filament of 3 dimension printer

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KR200450078Y1 (en) * 2008-02-20 2010-09-02 (주)신한전기 Grill lift of zenith-type air conditioner
WO2019125042A1 (en) * 2017-12-21 2019-06-27 엘지전자 주식회사 Ceiling-type indoor unit of air conditioner
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