KR20010069632A - Anti-dust technology and manufacturing method cooling system of air to air type - Google Patents

Anti-dust technology and manufacturing method cooling system of air to air type Download PDF

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KR20010069632A
KR20010069632A KR1020010021905A KR20010021905A KR20010069632A KR 20010069632 A KR20010069632 A KR 20010069632A KR 1020010021905 A KR1020010021905 A KR 1020010021905A KR 20010021905 A KR20010021905 A KR 20010021905A KR 20010069632 A KR20010069632 A KR 20010069632A
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South Korea
Prior art keywords
heat exchanger
dust
air
fet
transformer
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KR1020010021905A
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Korean (ko)
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이거섭
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김태국
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Publication of KR20010069632A publication Critical patent/KR20010069632A/en

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    • 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
    • H05K7/2089Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909Forced ventilation, e.g. on heat dissipaters coupled to components

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

PURPOSE: A dust removing technology and its manufacturing method of air cooled type radiation are provided to improve the radiation effect of a heat exchanger by preventing the dust from sticking to the heat exchanger. CONSTITUTION: The dust removing technology comprises an oscillator for generating the pulse wave, a field effect transistor(FET), a transformer, resistors, and a heat exchanger. The pulse wave triggers the gate of the FET, which makes the electrical connection between the source and drain of the FET by using the power source of the transformer. The current flows from the drain to the source during the pulse applied period. The pulses are repeatedly applied to the FET, which makes the transformer induce the voltage at its secondary side. Thus the pulse applying prevents the positive electric charged dust and the negative electric charged dust from sticking to the heat exchanger.

Description

공냉식 방열에서의 먼지제거 기술과 제조방법{Anti-dust technology and manufacturing method cooling system of air to air type}Anti-dust technology and manufacturing method cooling system of air to air type

본 발명은 공냉식 방열에서 열교환기의 먼지제거 기술에 관한 것이고,The present invention relates to a dust removal technology of the heat exchanger in air-cooled heat dissipation,

특히 통신장비 등 전기, 전자장치 등의 장비내부에서 발생하는 열을 외부와In particular, heat generated inside equipment such as communication equipment such as electric and electronic devices

밀폐시킨 상태에서 외부 자연공기를 이용하여 외부로의 열방출을 구현하는데In order to realize heat dissipation to the outside using external natural air in a sealed state

있어서, 열교환기(38)가 시간이 지나면서 공기의 이동에 의한 마찰전기 발생Thus, the heat exchanger 38 generates triboelectricity due to the movement of air over time.

으로 대전된 먼지나, 꽃가루 등 이물질이 부착되어 열방출 효과가 저하 되지Foreign matter such as dust or pollen that is charged by

않도록, 열교환기에 먼지가 부착됨을 방지하기 위한 기술에 관한 것이다.To prevent dust from adhering to the heat exchanger.

현재 국내에서 통신장비 등 전기, 전자장치 등의 장비내부에서 발생하는At present, it occurs inside the equipment such as electric and electronic devices such as communication equipment.

열방출을 위해, 보편적으로 사용되고 있는 열교환기는 먼지제거 기능이 없는For heat dissipation, heat exchangers are commonly used without dust removal

것과, 공기가 들어오는 흡입부에 필터를 사용하여 먼지나 이물질이 투과되지Dust and foreign substances can be penetrated by using

못하도록 하는 방법 등이 있으나, 다음의 근본적인 문제점을 내재하고 있다.There are ways to prevent this, but the following fundamental problems are inherent.

첫째, 먼지제거 기능이 없는 형태의 열교환기는, 장비내부에서 발생하는First, the heat exchanger without the dust removal function is generated inside the equipment.

열과 외부의 자연공기를 이용하여 외부로 열방출을 구현하는데 있어서, 시간In realizing heat emission to the outside using heat and natural air outside, time

이 점차적으로 지남에 따라, 공기의 흐름으로 발생되는 마찰전기에 의해As it gradually passes, the triboelectricity generated by the flow of air

대전된 먼지가 열교환기 내부에 부착이 되면서, 열방출 효과가 점차적으로As the charged dust adheres inside the heat exchanger, the heat dissipation effect is gradually

저하되는 현상의 요인이 되고, 효율이 떨어지는 현상으로 통신장비 내부의It is a factor of deterioration and a decrease in efficiency.

온도가 점차적으로 상승 하게 되고, 한 여름철에 장비가 멈춰버리는 결과를The temperature gradually rises and the equipment stops in the summer.

초래 하게 된다. 이런 결과를 방지하기 위해서, 장비마다 정기적으로 먼지를Caused. To prevent this, dust is periodically removed from the equipment.

제거 하는데 많은 비용이 요구되는 경제적인 문제가 발생하게 된다.Economic problems arise that are expensive to eliminate.

둘째, 공기의 흡입구에 필터를 사용하는 열교환기 역시 정기적으로 필터를Second, heat exchangers that use filters at the intakes of air are also regularly

교환해 주어야 하는데, 이에 대한 부대비용이 많이 드는 경제성의 문제점과You have to exchange it.

필터를 사용함으로써, 흡입팬이 많은 정압을 받게 되면 팬의 모터가 수명이By using a filter, if the suction fan is subjected to a lot of static pressure, the motor of the fan

단축되는 문제점이 발생하게 되는 것이다.The problem is that it is shortened.

본 발명의 목적은 전기전자장치, 통신장비 등 전기전자 부품에서 발생하는An object of the present invention is generated from electrical and electronic components such as electrical and electronic devices, communication equipment

열을 외부에 효율적으로 방출하는데 있어서, 열교환기의 기술이 내재하고In efficiently dissipating heat to the outside, the technology of heat exchangers

있는 문제점을 해결하기 위한 것으로, 열교환기의 열방출 효과가 공기의In order to solve the problem, the heat release effect of the heat exchanger

이동으로 인해 발생되는 마찰 전기에 의해 먼지나, 꽃가루 입자가 시간이The frictional electricity generated by the movement causes dust and pollen particles to

지나면서 열교환기에 부착되어 효율이 저하되는 현상을 방지함으로써,By preventing the phenomenon that the efficiency is lowered by being attached to the heat exchanger

열교환기가 내재하고 있는 열방출 효율이 저하되는 문제점을 보완 시켜주는Complementing the problem that the heat dissipation efficiency inherent in the heat exchanger is lowered

것이다.will be.

도1은 발진기 평면도1 is an oscillator top view

도2는 전장효과 트랜지스터 심벌도2 is a diagram of a field effect transistor

도3은 전장효과 트랜지스터 평면도3 is a plan view of a field effect transistor

도4는 발진기 출력 파형도4 is an oscillator output waveform diagram

도5는 본 발명의 기본원리 회로도5 is a basic circuit diagram of the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

32 : 주파수 설정 저항32: frequency setting resistance

33 : 주파수 설정 저항33: frequency setting resistance

34 : 주파수 설정 콘덴서34: frequency setting capacitor

35 : 과전류 방지 저항35: overcurrent protection resistor

36 : 전장효과 트랜지스터36: field effect transistor

37 : 변압기37: transformer

38 : 열교환기38: heat exchanger

39 : 발진기39: oscillator

본 발명은 상기 목적을 위해 발진기(39)에서 출력되는 펄스파를 전장효과The present invention has the electric field effect of the pulse wave output from the oscillator 39 for the above purpose

트랜지스터(36) 게이트(21)에 전압이 인가되면, 드레인(22)에서 소오스(23)When a voltage is applied to the gate of the transistor 36, the source 23 at the drain 22 is applied.

가 통전이 되고 저항(35)를 통해 흘러 나가게 되므로, 변압기(37) 1차측에서Is energized and flows out through the resistor 35, so at the primary side of the transformer 37

2차측으로 전압이 유기되어 열교환기(38)에 주파수에 따라 양의 전원 인가Voltage is induced to the secondary side, and positive power is applied to the heat exchanger 38 according to the frequency.

상태와 대지 접이 상태를 반복하면서, 공기의 이동에 의한 마찰전기 발생Friction electricity generation by movement of air while repeating state and earth folding state

으로 양으로의 대전된 먼지나, 음으로 대전되어 있는 먼지가 짧은 시간동안,Positively charged dust or negatively charged dust for a short time,

양의 전원 상태와 대지접지 상태를 계속 반복을 하기 때문에, 열교환기에Because the positive power state and the earth ground state are repeated repeatedly,

부착이 되지 못하고 열교환기 내부를 외부 공기 흐름에 편승되어 지나도록So that it can't be attached and piggybacked inside the heat exchanger

하여, 열교환기의 열방출 효과가 저하되지 않도록 방지하는 것을 특징으로To prevent the heat release effect of the heat exchanger from being lowered.

하는 기술을 제공한다.To provide technology.

이하 도면을 참조하여 본 발명을 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도5는 본 발명의 기본 원리를 도시한다. 본 발명의 기본 원리에 의한5 shows the basic principle of the present invention. According to the basic principles of the present invention

열교환기의 공냉식 방열에서의 먼지제거 방법은 발진기(39),저항, 전장효과Dust removal method of air-cooled heat dissipation of heat exchanger is oscillator (39), resistance, electric field effect

트랜지스터(36), 변압기(37)와 열교환기(38)를 구성한다.The transistor 36, the transformer 37, and the heat exchanger 38 are constituted.

발진기는 도1과 같이 핀을 구성하며, 8번핀(8)에는 5 볼트 이상 15 볼트The oscillator constitutes a pin as shown in Fig. 1, and pin 8 has no less than 5 volts and 15 volts.

이하의 직류 전원이 인가되어야만 동작할 수 있는 특성이 있고, 1번핀(1)은There is a characteristic that can be operated only when the following DC power is applied, the number 1 pin (1)

반드시 접지가 되어야만 동작을 할 수 있으며, 2번핀(2),6번핀(6)은 트리거It must be grounded to operate. Pins 2 and 6 are triggered.

신호를 입력 받아야 하고, 4번핀(4)에는 항시 양(陽)의 입력이 되어야만Signal must be input and pin 4 should always be positive.

출력신호를 내보낼 수 있다. 저항(12)와 저항(13),그리고 콘덴서(14)는 발진Output signal can be exported. The resistor 12, the resistor 13, and the capacitor 14 oscillate

기의 주파수를 결정하여 3번핀(3)으로 출력이 되며, 주파수 결정을 하는데Determining the frequency of the device is output to the number 3 pin (3), and to determine the frequency

있어서 주파수를 f, 저항(12)를 RA, 저항(13)을 RB, 콘덴서(14)를 C, 펄스파Frequency f, resistor 12 R A , resistor 13 R B , capacitor 14 C, pulse wave

의 한 주기에 직류 전압이 출력되는 시간을 tH,직류전압이 출력되지 않는 시The time when DC voltage is output in one cycle of t H , when DC voltage is not output.

간을 tL로 하면 주파수는 식(1)로 할 수 있고, 주파수 한 주기에서 직류전압If the interval is t L , the frequency can be expressed by Equation (1).

이 출력되는 시간을 식(2), 주파수 한 주기에서 직류전압이 출력되지 않는This output time is expressed by Equation (2).

시간은 식(3)으로 한다.Time is given by Formula (3).

(1) (One)

(2) (2)

(3) (3)

3번핀(3) 출력파형은 도4에 나타내었으며, 출력 펄스가 전장효과 트랜지스The output waveform of pin 3 (3) is shown in Fig. 4, and the output pulse is the electric field effect transistor.

터(36)의 게이트(21)에 신호를 주면, 변압기(37)에 인가되어 있는 전원에When a signal is applied to the gate 21 of the rotor 36, the power source applied to the transformer 37

의해 전장효과 트랜지스터의 드레인(22)에서 소오스(23)가 통전이 되고, 과As a result, the source 23 is energized in the drain 22 of the field effect transistor.

전류를 방지하기 위한 저항(35)을 통해 흐르게 되며, 전장효과 트랜지스터의Flows through a resistor 35 to prevent current,

게이트(21)에 신호가 펄스파로 입력이 되기 때문에, 펄스파의 직류전압이 출Since the signal is input to the gate 21 as a pulse wave, the DC voltage of the pulse wave is output.

력되는 시간동안은 동작을 하고, 펄스파의 직류전압 출력이 되지 않는 시간The time during which it operates during the output time and the DC voltage of pulse wave is not output.

동안에는 동작을 하지 않기 때문에, 변압기(37)에 인가된 주파수가 식(1)에Since it does not operate during the period, the frequency applied to the transformer 37

의해 고주파로 전원을 끊어주는 역할을 하여 변압기 1차측에서 2차측으로To cut off the high frequency power supply from the transformer primary side to secondary side.

전압이 유기된다. 2차측으로 유기된 전압은 공기 이동에 의한 마찰전기Voltage is induced. The voltage induced to the secondary side is the triboelectricity caused by

발생으로 양,음으로 대전되어 있는 먼지 입자가 짧은 시간동안 열교환기(38)The heat exchanger 38 generates dust particles that are positively and negatively charged by a short time.

에 전압 인가 상태와 대지 접지 상태를 계속 반복하면서 부착이 되지 않도록Do not attach while repeatedly applying voltage and earth ground.

하고, 외부 공기 흐름에 편승시켜 열교환기 내부를 지나도록 하여 열교환기Heat the heat exchanger by passing it inside the heat exchanger

의 열방출 효과를 지속시킬 수 있다.The heat release effect of can be sustained.

전술한 구성에 의해, 본 발명은 열교환기의 열방출 효과가 시간이 지남에By the above-described configuration, the present invention is that the heat release effect of the heat exchanger over time

따라 마찰전기의 발생으로 대전된 먼지가 열교환기 내부에 부착이 됨으로써,Therefore, the dust charged by the generation of the triboelectric charge is attached to the inside of the heat exchanger,

효율이 저하되는 현상을 없애고, 열방출 효과를 지속시킬 수 있으며 또한,It can eliminate the phenomenon of deterioration of efficiency, maintain the heat dissipation effect,

열교환기 설치 후, 부대비용을 절감시킬 수 있는 경제적인 것이다.After installation of the heat exchanger, it is economical to reduce the associated costs.

Claims (1)

열교환기에 주파수 만큼 짧은시간동안 전원의 인가 상태와 접지 상태를The heat exchanger can be connected 반복하여 줌으로써, 공기의 이동에 의한 마찰전기 발생으로 양, 음으로 대Repeatedly, it generates positive and negative by triboelectric generation due to air movement. 전되어 있는 먼지 입자가 열교환기에 부착이 되지 못하고, 외부 공기 흐름The transmitted dust particles do not adhere to the heat exchanger, and the outside air flow 에 편승되어 내부를 지나도록 함으로써, 열교환기의 열방출 효과가 저하되The heat dissipation effect of the heat exchanger is reduced by making it pass through the inside and passing it inside. 지 않도록 하는 것을, 특징으로 하는 공냉식 방열에서의 먼지제거 기술과Dust removal technology in air-cooled heat 제조방법Manufacturing method
KR1020010021905A 2001-04-24 2001-04-24 Anti-dust technology and manufacturing method cooling system of air to air type KR20010069632A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100762300B1 (en) * 2006-08-14 2007-10-02 주식회사 펄스콘 Air cooling type high voltage transformer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960019557U (en) * 1994-11-24 1996-06-19 대우전자주식회사 Dust prevention device for electronic products
KR970058784A (en) * 1996-01-27 1997-08-12 구자홍 Electric dust collector
KR19980066229A (en) * 1997-01-21 1998-10-15 구자홍 Electric dust collecting and deodorizing device
KR19990045621A (en) * 1997-11-26 1999-06-25 후나이 데츠로 Air Conditioner with Electronic Dust Collector
KR19990046187A (en) * 1998-09-16 1999-07-05 김덕기 Self heat dissipation device of communication device and heat dissipation method using same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960019557U (en) * 1994-11-24 1996-06-19 대우전자주식회사 Dust prevention device for electronic products
KR970058784A (en) * 1996-01-27 1997-08-12 구자홍 Electric dust collector
KR19980066229A (en) * 1997-01-21 1998-10-15 구자홍 Electric dust collecting and deodorizing device
KR19990045621A (en) * 1997-11-26 1999-06-25 후나이 데츠로 Air Conditioner with Electronic Dust Collector
KR19990046187A (en) * 1998-09-16 1999-07-05 김덕기 Self heat dissipation device of communication device and heat dissipation method using same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100762300B1 (en) * 2006-08-14 2007-10-02 주식회사 펄스콘 Air cooling type high voltage transformer

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