KR100656201B1 - Outdoor communication equipment broad band x ventilation fan and controler - Google Patents

Outdoor communication equipment broad band x ventilation fan and controler Download PDF

Info

Publication number
KR100656201B1
KR100656201B1 KR1020050061135A KR20050061135A KR100656201B1 KR 100656201 B1 KR100656201 B1 KR 100656201B1 KR 1020050061135 A KR1020050061135 A KR 1020050061135A KR 20050061135 A KR20050061135 A KR 20050061135A KR 100656201 B1 KR100656201 B1 KR 100656201B1
Authority
KR
South Korea
Prior art keywords
sensor
air conditioner
unit
switch
exhaust fan
Prior art date
Application number
KR1020050061135A
Other languages
Korean (ko)
Inventor
이희정
이천석
Original Assignee
주식회사 건호정보통신
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 주식회사 건호정보통신 filed Critical 주식회사 건호정보통신
Priority to KR1020050061135A priority Critical patent/KR100656201B1/en
Application granted granted Critical
Publication of KR100656201B1 publication Critical patent/KR100656201B1/en

Links

Images

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20209Thermal management, e.g. fan control
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/20145Means for directing air flow, e.g. ducts, deflectors, plenum or guides
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/20172Fan mounting or fan specifications

Abstract

A ventilation apparatus of an outdoor communication equipment reception structure and a method for controlling the same are provided to prevent an excessive load of a cooling and heating device by selectively operating a cooling device and a ventilating fan in a control box according to a temperature and a moisture of the reception structure. In a ventilation apparatus of an outdoor communication equipment reception structure, a moisture sensor(61) and an external temperature sensor(62) are prepared at an outer surface of a sidewall and an inner temperature sensor(63) is prepared at an inner surface of the sidewall of a sensor unit(60). The sensor unit(60) and a sensor control unit(50) are connected by preparing a control box(30) to connect a sensor control unit(50), a terminal unit(40), and a switch(31) to the inside thereof. And, the terminal unit(40) and the switch(31) of the control box(30) connect a ventilation fan(70) to a cooling switch of a conventional cooling device(70).

Description

옥외용 통신장치 수용구조물의 환풍장치 및 그 제어방법{Outdoor communication equipment Broad Band x ventilation fan and controler}Ventilation device for outdoor communication device accommodating structure and its control method {Outdoor communication equipment Broad Band x ventilation fan and controler}

도 1은 본 발명의 사용상태를 나타낸 예시도1 is an exemplary view showing a use state of the present invention

도 2는 본 발명의 배기팬의 작동되는 상태를 나타낸 계통도Figure 2 is a system diagram showing an operating state of the exhaust fan of the present invention

도 3은 본 발명의 냉방기의 작동되는 상태를 나타낸 계통도이다.3 is a system diagram showing an operating state of the air conditioner of the present invention.

*도면의 주요부분에 대한 부호의 설명** Explanation of symbols for main parts of drawings *

1 : 수용구조물 2 : 벽면1: receiving structure 2: wall surface

10 : 환풍장치 20 : 냉방기10: ventilator 20: air conditioner

21 : 냉방스위치 30 : 콘트롤박스21: cooling switch 30: control box

31 : 스위치 40 : 단자부31 switch 40 terminal

41 : 냉방기단자 42 : 전원단자41: air conditioner terminal 42: power supply terminal

43 : 배기팬단자 50 : 센서조절부43: exhaust fan terminal 50: sensor control unit

51 : 외부습도조절부 52 : 외부온도조절부51: external humidity control unit 52: external temperature control unit

53 : 내부온도조절부 60 : 센서부53: internal temperature control unit 60: sensor unit

61 : 습도센서 62 : 외부온도센서61: humidity sensor 62: external temperature sensor

63 : 내부온도센서 70 : 배기팬63: internal temperature sensor 70: exhaust fan

71 : 흡입구71: suction port

본 발명은 옥외용 통신장치 수용구조물의 환풍장치 및 그 제어방법에 관한 것으로서, 좀더 상세히는 인터넷속도 향상을 위해 설치되는 통신장치의 마련한 수용구조물의 내부온도를 강제 공기순환 시켜 적정온도로 조절가능케 하여 전력 사용량을 최소화 하는 환풍장치에 관한 것이다.The present invention relates to a ventilator and a control method of an outdoor communication device receiving structure, and more particularly, by adjusting the internal temperature of the receiving structure of the communication device installed to improve the Internet speed by forced air circulation can be adjusted to the appropriate temperature It relates to a ventilation device to minimize the use.

일반적으로 통신장치를 수용가능케 하는 옥외용 통신장치 수용구조물은 내, 외벽을 유리섬유 강화플라스틱(FRP)으로 사용하여 방수, 방음, 수밀의 구조로 전체를 일체형으로 된 통합구조 또는 건물내에 판넬 등으로 조립된 구조이며, 상기 수용구조물의 내부 온도조절은 에어컨 등의 냉방기에 의해 운용되도록 하는 것이다.In general, an outdoor communication device accommodating structure that accommodates a communication device is a glass fiber reinforced plastic (FRP) that uses an inner and an outer wall to be assembled into an integrated structure or a panel in a building integrated with a waterproof, soundproof, watertight structure. It is a structure, and the internal temperature control of the receiving structure is to be operated by a cooler such as an air conditioner.

일반적인 옥외용 통신장치 수용구조물(BB-x)의 적정상태는 실내온도가 28℃ 이하가 가장 바람직하며 실내온도가 29℃ 이상일 경우 통신장치 및 운용자의 환경이 열악하게 되는 것이다.The proper state of the general outdoor communication device receiving structure (BB-x) is the most preferred room temperature of 28 ℃ or less, and the environment of the communication device and the operator is poor when the indoor temperature is 29 ℃ or more.

또한, 상기 냉방기는 옥외용 통신장치 수용구조물의 실내온도를 적정상태인 28℃이하로 설정하여 사용하나, 내부에 설치된 통신장치의 발열에 의해 내부온도는 외부온도에 비해 상승되는 상태이다.In addition, the air conditioner is used by setting the indoor temperature of the outdoor communication device receiving structure to 28 ° C or less, which is an appropriate state, but the internal temperature is increased by the heat generated by the communication device installed therein.

따라서, 전적으로 냉방기에 의해서만 적정온도를 유지할 수 밖에 없으므로 장시간 냉방기를 운전해야 되고 이에 따라 필요이상의 대용량 냉방기의 설치가 필요할 뿐 아니라 전력소모량이 많아지게 되었다.Therefore, it is only possible to maintain the proper temperature solely by the air conditioner, so it is necessary to operate the air conditioner for a long time, and accordingly, it is not only necessary to install a large-capacity air conditioner more than necessary, but also increases the power consumption.

본 발명은 상술한 종래의 문제점을 해결하기 위한 것으로서, 위와같이 옥외용 통신장치 수용구조물의 실내온도를 적정 상태로 유지하기 위해 수용구조물 내,외에 온도와 습도를 검지하는 센서부와 연결되는 콘트롤박스를 마련하여 센서조절부에서 단자부와 스위치를 통해 통상의 냉방기와 환풍기의 작동을 선택적으로 가능케 하는 환풍장치를 발명한 것인데,The present invention is to solve the above-mentioned problems, the control box connected to the sensor unit for detecting the temperature and humidity in and outside the accommodation structure to maintain the indoor temperature of the outdoor communication device receiving structure in a proper state as described above. Invented ventilator to selectively enable the operation of the conventional air conditioner and the fan through the terminal and the switch in the sensor control unit,

이를 첨부된 도면과 함께 더욱 상세히 설명하면 다음과 같다.This will be described in more detail together with the accompanying drawings.

본 발명의 목적을 달성하기 위한 구성으로는 옥외용 통신장치 수용구조물(1)의 내부에 냉방기(20)를 마련하고 상기 수용구조물(1)의 벽면(2) 일측에는 팬을 마련한 배기팬(70)과 타측에 흡입구(71)를 마련하여 외부와 통하게 하는 통상의 환풍장치(10)에 있어서,In order to achieve the object of the present invention, the exhaust fan 70 is provided with a cooler 20 inside the communication device accommodation structure 1 for outdoor use, and a fan is provided on one side of the wall surface 2 of the accommodation structure 1. In the conventional ventilation device 10 to provide the suction port 71 on the other side and communicate with the outside,

도 1,2에서 보는 바와 같이 상기 벽면(2) 외면에 습도센서(61)와 외부온도센서(62)를 마련하고 벽면(2) 내면에는 내부온도센서(63)를 마련한 센서부(60)와; 내부에 센서조절부(50), 단자부(40), 스위치(31)를 연결한 콘트롤박스(30)를 마련하여 상기 센서부(60)와 센서조절부(50)를 연결하고 상기 콘트롤박스(30)의 단자부(40)와 스위치(31)는 배기팬(70)과 통상의 냉방기(20)의 냉방스위치(21)를 각각 연결한 것이다.As shown in FIGS. 1 and 2, the sensor unit 60 includes a humidity sensor 61 and an external temperature sensor 62 on the outer surface of the wall 2 and an internal temperature sensor 63 on the inner surface of the wall 2. ; A control box 30 is formed in which a sensor control unit 50, a terminal unit 40, and a switch 31 are connected to each other to connect the sensor unit 60 and the sensor control unit 50 to the control box 30. The terminal portion 40 and the switch 31 of the () are connected to the exhaust fan 70 and the cooling switch 21 of the normal air conditioner 20, respectively.

상기 스위치(31)와 냉방스위치(21)의 가장 바람직한 실시예로는 통상적인 마그네틱콘택터를 사용함이 바람직하다.As the most preferred embodiment of the switch 31 and the cooling switch 21, it is preferable to use a conventional magnetic contactor.

상기 단자부(40)에는 냉방기단자(41), 전원단자(42), 배기팬단자(43)를 일렬로 마련하고, 센서조절부(50)에는 외부습도조절부(51), 외부온도조절부(52), 내부온도조절부(53)를 마련하며 도 2에서 보는 바와 같이 습도센서(61), 외부온도센서(62), 내부온도센서(63)를 각각 연결한 것이다.The terminal unit 40 is provided with the air conditioner terminal 41, the power supply terminal 42, and the exhaust fan terminal 43 in a row, and the sensor control unit 50 includes an external humidity control unit 51 and an external temperature control unit ( 52), an internal temperature control unit 53 is provided and the humidity sensor 61, the external temperature sensor 62, and the internal temperature sensor 63 are respectively connected as shown in FIG.

그리고, 상기 단자부(40)의 냉방기단자(41)와 전원단자(42)의 일측은 센서조절부(50)와 스위치(31)와 연결하고, 상기 냉방기단자(41)의 타측은 냉방기(20)의 냉방스위치(21)와 연결하며, 상기 전원단자(42)의 타측으로 전원을 공급하며, 배기팬단자(43)의 일측에 스위치(31)를 연결시키고 타측은 수용구조물(1)의 벽면(2)에 형성한 배기팬(70)과 연결한 것이다.Then, one side of the air conditioner terminal 41 and the power supply terminal 42 of the terminal unit 40 is connected to the sensor control unit 50 and the switch 31, the other side of the air conditioner terminal 41 is the air conditioner 20 It is connected to the cooling switch 21 of the power supply to the other side of the power supply terminal 42, the switch 31 is connected to one side of the exhaust fan terminal 43 and the other side of the wall surface of the receiving structure (1) It is connected with the exhaust fan 70 formed in 2).

상기와 같이 구성된 본 발명의 환풍장치(10) 제어방법은 옥외용 통신장치 수용구조물(1)의 내부에 냉방기(20)를 마련하고 수용구조물(1)의 벽면(2)에 배기팬(70)과 흡입구(71)를 마련하여 외부와 통하게 하는 통상의 옥외용 통신장치 수용구조물의 환풍장치 제어방법에 있어서,
냉방기(20)의 냉방스위치(21)와 배기팬(70)을 콘트롤박스(30)에 연결하여 수용구조물(1)의 실내,외 온도 및 습도를 감지하는 센서부(60)의 신호를 콘트롤박스(30)의 센서조절부(50)를 거쳐 설정된 온도 및 습도에 따라 스위치(31)와 단자부(40)로 연결시켜 냉방기(20)와 배기팬(70)을 선택적으로 작동가능케 하는 것이다.
Ventilation device 10 control method of the present invention configured as described above is provided with the air conditioner 20 in the interior of the communication device receiving structure (1) for outdoor and the exhaust fan 70 and the wall (2) of the receiving structure (1) In the ventilation apparatus control method of a conventional outdoor communication device receiving structure for providing a suction port 71 to communicate with the outside,
By connecting the cooling switch 21 and the exhaust fan 70 of the air conditioner 20 to the control box 30 to control the signal of the sensor unit 60 for sensing the indoor and outdoor temperature and humidity of the receiving structure (1) By connecting the switch 31 and the terminal unit 40 in accordance with the set temperature and humidity through the sensor control unit 50 of 30 to selectively operate the air conditioner 20 and the exhaust fan 70.

즉, 본 발명의 작동방법은 옥외용 통신장치 수용구조물(1) 실내,외에 마련된 센서부(60)에 의한 신호를 콘트롤박스(30)의 센서조절부(50)를 통해 스위치(31)와 단자부(40)로 연결시켜 냉방기(20)와 배기팬(70)을 선택적으로 작동가능케 하는 것이다.That is, the operating method of the present invention is a switch 31 and the terminal unit (3) through the sensor control unit 50 of the control box 30 to the signal by the sensor unit 60 provided in the outdoor, communication device accommodation structure (1) 40 to selectively operate the air conditioner 20 and the exhaust fan (70).

본 발명의 옥외용 통신장치 수용구조물(1)의 가장 바람직한 환풍장치(10)의 작동방법으로는 수용구조물(1)의 실내온도가 28℃ 이하의 쾌적한 환경을 유지하기 위한 것으로, 수용구조물(1)의 실내온도가 29℃ 이상일 경우에는 통상의 냉방기(20)를 작동시키고, 실내온도가 22 ~ 25℃ 일 경우와 외부온도가 22℃ 이하일 경우와 외부의 습도가 70%이하일 경우에는 배기팬(70)을 작동하게 하며, 또 실내온도가 32℃ 이상일 경우에도 콘트롤박스(30)에서 배기팬(70)을 작동가능케 하여 수용구조물(1)의 실내온도를 28℃ 이하의 쾌적한 환경으로 유지가능케 하는 것이다.The most preferred method of operating the ventilator 10 of the outdoor communication device receiving structure 1 of the present invention is to maintain a comfortable environment of the room temperature of the receiving structure 1 is 28 ℃ or less, the receiving structure (1) If the room temperature is 29 ℃ or more, the normal air conditioner 20 is operated, and the exhaust fan (70) when the room temperature is 22 ~ 25 ℃, the outside temperature is 22 ℃ or less and the external humidity is 70% or less. ) And to operate the exhaust fan 70 in the control box 30 even when the room temperature is 32 ° C. or higher to maintain the room temperature of the receiving structure 1 in a comfortable environment below 28 ° C. .

이때, 상기 냉방기(20)와 배기팬(70)의 작동상태를 살펴보면 수용구조물(1)의 실내온도가 28℃ 이상일 경우에는 냉방기(20)를 작동하게 하고, 실내온도가 26 ~ 27℃ 일 경우에는 냉방기(20)와 배기팬(70)을 작동하지 않도록 하며, 수용구조물(1)의 실내온도가 22 ~ 25℃ 일 경우와 수용구조물(1)의 외부온도가 22℃ 이하일 경우와 외부의 습도가 70%이하일 경우에는 배기팬(70)을 작동하게 하여 옥외용 수용구조물(1)의 실내온도를 28℃이하의 쾌적한 환경으로 유지 가능케 하는 것이다.At this time, looking at the operating state of the air conditioner 20 and the exhaust fan 70 when the room temperature of the receiving structure 1 is 28 ℃ or more to operate the air conditioner 20, when the room temperature is 26 ~ 27 ℃ Do not operate the air conditioner 20 and the exhaust fan 70 in the case, the room temperature of the receiving structure (1) is 22 ~ 25 ℃ and the external temperature of the receiving structure (1) is less than 22 ℃ and the external humidity When 70% or less is to operate the exhaust fan 70 to maintain the indoor temperature of the outdoor receiving structure (1) in a comfortable environment below 28 ℃.

그리고, 옥외용 통신장치 수용구조물(1) 실내온도가 32℃ 이상일 경우에는 수용구조물(1) 내부에 마련된 냉방기(20)의 오작동 등의 고장으로 판단하여 콘트롤박스(30)에서 강제적으로 배기팬(70)을 작동가능케 하는 것이다.When the indoor communication device accommodation structure 1 has an indoor temperature of 32 ° C. or higher, the control box 30 forcibly determines the failure of the air conditioner 20 provided in the accommodation structure 1 and forces the exhaust fan 70 to be forced. ) Is enabled.

따라서, 본 발명은 상기한 바와 같이 옥외용 통신장치 수용구조물의 실내온도를 적정 상태로 유지하기 위해 냉방기에 의존하여 온도조절을 가능케 하는 문제점을 통상의 냉방기와 별도의 배기팬과 흡입구를 마련하여 수용구조물의 실내,외의 온도 및 습도에 따라 콘트롤박스에서 냉방기와 배기팬을 선택적으로 작동가능케 하여 냉방기의 과부하를 방지함과 동시에 냉방기의 수명과 냉방전력을 절감시킬 수 있으며, 또한 냉방기의 오작동으로 인해 실내온도가 상승하더라도 콘트롤박스에서 배기팬을 작동시켜 통신장치의 열에 의한 과부하를 방지할 수 있는 이점이 있는 것 이다.Accordingly, the present invention provides a problem that the temperature control is dependent on the air conditioner in order to maintain the indoor temperature of the outdoor communication device accommodating structure in a proper state as described above. Cooler and exhaust fan can be selectively operated in the control box according to indoor and outdoor temperature and humidity to prevent overheating of the air conditioner and at the same time reduce the life and cooling power of the air conditioner. Even if is increased, there is an advantage to prevent the overload caused by the heat of the communication device by operating the exhaust fan in the control box.

Claims (2)

옥외용 통신장치 수용구조물(1)의 내부에 냉방기(20)를 마련하고 상기 수용구조물(1)의 벽면(2) 일측에는 팬을 마련한 배기팬(70)과 타측에 흡입구(71)를 마련하여 외부와 통하게 하는 통상의 환풍장치(10)에 있어서,The air conditioner 20 is provided inside the outdoor communication device accommodating structure 1, and an exhaust fan 70 having a fan is provided at one side of the wall surface 2 of the accommodating structure 1, and an inlet 71 is provided at the other side. In the normal ventilator 10 which is made to communicate with, 벽면(2) 외면에 습도센서(61)와 외부온도센서(62)를 마련하고 벽면(2) 내면에는 내부온도센서(63)를 마련한 센서부(60)와; 내부에 센서조절부(50), 단자부(40), 스위치(31)를 연결한 콘트롤박스(30)를 마련하여 상기 센서부(60)와 센서조절부(50)를 연결하고 상기 콘트롤박스(30)의 단자부(40)와 스위치(31)는 배기팬(70)과 통상의 냉방기(20)의 냉방스위치(21)를 각각 연결한 것을 특징으로 하는 옥외용 통신장치 수용구조물의 환풍장치.A sensor unit 60 provided with a humidity sensor 61 and an external temperature sensor 62 on the outer surface of the wall 2 and an internal temperature sensor 63 on the inner surface of the wall 2; A control box 30 is formed in which a sensor control unit 50, a terminal unit 40, and a switch 31 are connected to each other to connect the sensor unit 60 and the sensor control unit 50 to the control box 30. Terminal unit (40) and the switch 31 of the exhaust fan 70 and the ventilation device of the outdoor communication device accommodating structure, characterized in that the cooling switch 21 of the conventional air conditioner (20), respectively. 옥외용 통신장치 수용구조물(1)의 내부에 냉방기(20)를 마련하고 수용구조물(1)의 벽면(2)에 배기팬(70)과 흡입구(71)를 마련하여 외부와 통하게 하는 통상의 옥외용 통신장치 수용구조물의 환풍장치 제어방법에 있어서,Ordinary outdoor communication for providing an air conditioner 20 in an interior communication device accommodating structure 1 and providing an exhaust fan 70 and a suction port 71 in the wall surface 2 of the accommodation structure 1 to communicate with the outside. In the ventilation device control method of the device receiving structure, 냉방기(20)의 냉방스위치(21)와 배기팬(70)을 콘트롤박스(30)에 연결하여 수용구조물(1)의 실내,외 온도 및 습도를 감지하는 센서부(60)의 신호를 콘트롤박스(30)의 센서조절부(50)를 거쳐 설정된 온도 및 습도에 따라 스위치(31)와 단자부(40)로 연결시켜 냉방기(20)와 배기팬(70)을 선택적으로 작동가능케 하는 옥외용 통신장치 수용구조물의 환풍장치 제어방법.By connecting the cooling switch 21 and the exhaust fan 70 of the air conditioner 20 to the control box 30 to control the signal of the sensor unit 60 for sensing the indoor and outdoor temperature and humidity of the receiving structure (1) The outdoor communication device accommodates the air conditioner 20 and the exhaust fan 70 selectively by connecting the switch 31 and the terminal unit 40 according to the set temperature and humidity through the sensor control unit 50 of the 30. Ventilation control method of structure.
KR1020050061135A 2005-07-07 2005-07-07 Outdoor communication equipment broad band x ventilation fan and controler KR100656201B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020050061135A KR100656201B1 (en) 2005-07-07 2005-07-07 Outdoor communication equipment broad band x ventilation fan and controler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050061135A KR100656201B1 (en) 2005-07-07 2005-07-07 Outdoor communication equipment broad band x ventilation fan and controler

Publications (1)

Publication Number Publication Date
KR100656201B1 true KR100656201B1 (en) 2006-12-13

Family

ID=37732862

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020050061135A KR100656201B1 (en) 2005-07-07 2005-07-07 Outdoor communication equipment broad band x ventilation fan and controler

Country Status (1)

Country Link
KR (1) KR100656201B1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05145261A (en) * 1991-11-20 1993-06-11 Nec Corp Cooling structure for electric equipment
JPH06216553A (en) * 1993-01-14 1994-08-05 Nec Gumma Ltd Cooling device for electronic device
JP2000174475A (en) 1998-12-04 2000-06-23 Matsushita Electric Ind Co Ltd Method and device for air-cooling fan driving
JP2003249786A (en) 2002-02-25 2003-09-05 Nec Corp Dewing preventing structure of electronic equipment and dewing preventing method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05145261A (en) * 1991-11-20 1993-06-11 Nec Corp Cooling structure for electric equipment
JPH06216553A (en) * 1993-01-14 1994-08-05 Nec Gumma Ltd Cooling device for electronic device
JP2000174475A (en) 1998-12-04 2000-06-23 Matsushita Electric Ind Co Ltd Method and device for air-cooling fan driving
JP2003249786A (en) 2002-02-25 2003-09-05 Nec Corp Dewing preventing structure of electronic equipment and dewing preventing method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
05145261 *
12174475 *

Similar Documents

Publication Publication Date Title
CN201199080Y (en) Communication base station aeration cooling system
US7832465B2 (en) Affordable and easy to install multi-zone HVAC system
JP3262288B2 (en) Air conditioner humidity control device
JP3551124B2 (en) Air conditioner
CN100563412C (en) Machine cabinet temperature control apparatus, processing unit, system and method
US9933182B2 (en) System for optimising an environmental parameter of an enclosed space
US9582011B2 (en) Integrated attic ventilation, air conditioning and heating system electronic controller and system and method for use of same
JP2011174674A (en) Air conditioning system
KR101280661B1 (en) Indoor unit with hybrid air condition mode, hybrid air condition system having the same
JPWO2010116824A1 (en) Heat exchange ventilator
JP2007298252A (en) Residential ventilator
CN210181374U (en) Projector intelligence constant temperature and humidity protective housing
JP2010145012A (en) Heat exchange type ventilation device
KR100656201B1 (en) Outdoor communication equipment broad band x ventilation fan and controler
CN211308570U (en) Locomotive air conditioner control system
CN104930663A (en) High-voltage power distribution room cooling and dehumidifying energy-saving device
KR20160008279A (en) Crime prevention and dehumidification function equipped with an air vents recycling type ventilation apparatus
KR20030063844A (en) ventilating device and method of operating the same
JP2008281252A (en) Ventilation system
JP2003035433A (en) Air conditioning system utilizing geothermal heat
CN106546074A (en) A kind of drying room used in workshop and factory building
JP2003148782A (en) Outside air cooling system
JP2006112684A (en) Air conditioning ventilation system
JPH06323583A (en) Ventilator controller
CN218301908U (en) Energy-concerving and environment-protective type ring accuse machine

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20120919

Year of fee payment: 7

FPAY Annual fee payment

Payment date: 20130923

Year of fee payment: 8

FPAY Annual fee payment

Payment date: 20140925

Year of fee payment: 9

FPAY Annual fee payment

Payment date: 20150921

Year of fee payment: 10