KR20030085925A - Radiator for increasing quantity of radiation in an automobile - Google Patents

Radiator for increasing quantity of radiation in an automobile Download PDF

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Publication number
KR20030085925A
KR20030085925A KR1020020024231A KR20020024231A KR20030085925A KR 20030085925 A KR20030085925 A KR 20030085925A KR 1020020024231 A KR1020020024231 A KR 1020020024231A KR 20020024231 A KR20020024231 A KR 20020024231A KR 20030085925 A KR20030085925 A KR 20030085925A
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KR
South Korea
Prior art keywords
radiator
tube
engine
heat dissipation
increase
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KR1020020024231A
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Korean (ko)
Inventor
김봉수
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기아자동차주식회사
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Priority to KR1020020024231A priority Critical patent/KR20030085925A/en
Publication of KR20030085925A publication Critical patent/KR20030085925A/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

PURPOSE: A motor vehicle radiator is provided to achieve improved cooling performance and prevent an overheat of an engine by increasing the heat radiation amount and area during a hill climbing operation or a high speed travel of a vehicle. CONSTITUTION: A motor vehicle radiator(10) comprises an upper tank(20), a lower tank(30), and tubes(40) and fins(50) interconnecting the upper and lower tanks. A certain part of the tube is branched off into a plurality of auxiliary tubes(40a) so as to increase the heat radiation amount of the coolant. The auxiliary tubes are mounted in rear of a radiator grill so as to increase the heat radiation amount.

Description

자동차의 방열량이 증대된 라디에이터{Radiator for increasing quantity of radiation in an automobile}Radiator for increasing quantity of radiation in an automobile

본 발명은 자동차의 라디에이터(radiator)에 관한 것으로서, 보다 상세하게는 자동차의 엔진에서 발생한 열의 일부를 냉각수를 통해서 대기 속으로 방출하는 라디에이터에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radiator of a motor vehicle, and more particularly, to a radiator for discharging a part of heat generated from an engine of a motor vehicle to the atmosphere through cooling water.

일반적으로, 라디에이터는 엔진에서 발생된 열을 식혀주는 장치이다. 그리고 엔진과 라디에이터 사이를 흐르는 냉각수가 엔진에서 발생된 뜨거운 열을 라디에이터로 운반하는 기능을 한다.In general, a radiator is a device that cools the heat generated by the engine. The coolant flowing between the engine and the radiator carries hot heat generated from the engine to the radiator.

라디에이터는 공기와의 접촉을 쉽게 하기 위해 차의 앞쪽에 설치돼 있으며, 주행에 의해서 라디에이터 그릴(radiator grill)로부터 흘러 들어오는 찬공기에 의해서 냉각된다. 외부공기의 유입을 쉽게 하기 위해 라디에이터 바로 뒤에 냉각팬이 설치돼 있다. 예전에는 이 냉각팬이 엔진이 돌아가는 힘을 빌려서 무조건 돌게 돼 있었으나, 요즘 대부분의 승용차들은 냉각팬 모터에 의해 냉각팬이 회전하게 되어 있다. 수온센서라는 것이 있어 물의 온도를 감지해 적당한 시기에 ECM에 신호를 주면 이 수온센서의 명령에 따라 필요할 때만 냉각팬이 작동하게 되는 것이다.The radiator is installed in the front of the car to facilitate contact with the air and is cooled by cold air flowing from the radiator grille by driving. To facilitate the inflow of external air, a cooling fan is installed directly behind the radiator. In the past, the cooling fan borrowed the power of the engine to run unconditionally, but most passenger cars nowadays have a cooling fan rotated by a cooling fan motor. There is a water temperature sensor that senses the temperature of the water and signals the ECM at the right time so that the cooling fan operates only when necessary according to the command of the water temperature sensor.

도 1에 도시된 바와 같이, 종래의 라디에이터(1)는 큰 방열 면적을 갖고 다량의 냉각수를 저장하며, 상부탱크(2), 하부탱크(3), 이들을 연결하는 튜브(4) 및 핀(5)으로 구성된다. 이러한 구성으로, 열을 받은 엔진 안을 냉각수가 순환하면서 열을 흡수해 라디에이터(1)의 상부탱크(2)로 운반하면, 이 뜨거운 냉각수는 라디에이터(1)의 튜브(4)를 통과하는 동안 튜브(4)의 주변에 설치된 핀(5)의 방열작용으로 외부 공기에 의해 식혀진다. 이렇게 식혀진 물이 라디에이터(1)의 하부탱크(3)로 내려오면 워터펌프(미도시)에 의해 다시 엔진 안으로 흘러 들어가게 되는 일련의 과정이 반복되면서 엔진을 식혀준다.As shown in FIG. 1, a conventional radiator 1 has a large heat dissipation area and stores a large amount of coolant, and includes an upper tank 2, a lower tank 3, a tube 4 and a fin 5 connecting them. It is composed of With this configuration, when the coolant circulates in the heated engine to absorb heat and transport it to the upper tank 2 of the radiator 1, the hot coolant passes through the tube 4 of the radiator 1 while passing through the tube 4. It is cooled by the outside air by the heat dissipation action of the fins 5 installed around the periphery. When the cooled water descends to the lower tank 3 of the radiator 1, the engine is cooled by repeating a series of processes flowing back into the engine by a water pump (not shown).

그러나, 상기와 같은 종래의 라디에이터는 고속 주행 및 등판 주행시 라디에이터 그릴을 통해 들어오는 공기의 흐름을 적절히 이용하지 못해서 엔진이 과열되고, 이로 인해 오버 히트(over heat) 현상이 발생되어 엔진의 냉각기능이 원활하기못하는 문제점이 있었다.However, in the conventional radiator as described above, the engine is overheated due to inadequate use of the air flowing through the radiator grill during high-speed driving and climbing driving, resulting in an overheat phenomenon, thereby smoothly cooling the engine. There was a problem that can not do.

본 발명은 상기와 같은 점들을 감안하여 안출된 것으로, 라디에이터 그릴을 통해 들어오는 공기의 흐름을 적절히 이용하여 라디에이터의 방열량이 증대되는 라디에이터를 제공함에 그 목적이 있다.The present invention has been made in view of the above points, and an object thereof is to provide a radiator in which the heat radiation amount of the radiator is increased by appropriately using the flow of air flowing through the radiator grille.

도 1은 일반적인 라디에이터를 도시한 구성도.1 is a block diagram showing a typical radiator.

도 2는 본 발명에 따른 라디에이터를 도시한 구성도.Figure 2 is a block diagram showing a radiator according to the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10: 라디에이터10a: 라디에이터 캡10: radiator 10a: radiator cap

20: 상부탱크30: 하부탱크20: upper tank 30: lower tank

40: 튜브40a: 보조튜브40: tube 40a: auxiliary tube

50: 핀50: pin

상기와 같은 목적을 달성하기 위해 본 발명은 상부탱크, 하부탱크 및 이들을 연결하는 튜브와 핀으로 구성되어, 엔진에서 발생한 열의 일부를 냉각수를 통해서 대기 속으로 방출하는 라디에이터에 있어서, 튜브의 일부가 다수의 보조튜브로 분기되어 냉각수의 방열량을 증대시킨다.In order to achieve the above object, the present invention comprises an upper tank, a lower tank, and tubes and pins connecting them, and in a radiator for discharging a part of heat generated from an engine into the atmosphere through cooling water, Branched into the auxiliary tube to increase the heat dissipation of the cooling water.

바람직하게는, 보조튜브는 방열량을 증대시키기 위해 라디에이터 그릴의 후측에 설치된다.Preferably, the auxiliary tube is installed on the rear side of the radiator grill to increase the heat dissipation amount.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세하게 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2에 도시된 바와 같이, 본 발명에 따른 라디에이터(10)는 상부탱크(20), 하부탱크(30), 튜브(40) 및 핀(50)을 포함한다.As shown in FIG. 2, the radiator 10 according to the present invention includes an upper tank 20, a lower tank 30, a tube 40, and a fin 50.

상부탱크(20)는 라디에이터(10)의 상부에 위치하고, 엔진을 냉각시키면서 뜨거워진 냉각수가 유입되어 저장된다. 일측에는 라디에이터(10) 내부의 증기압을 조절하고 부족한 냉각수를 보충할 수 있도록 라디에이터 캡(10a)이 설치된다.The upper tank 20 is positioned above the radiator 10, and the coolant heated while cooling the engine is introduced and stored therein. On one side, a radiator cap 10a is installed to adjust the vapor pressure inside the radiator 10 and replenish insufficient cooling water.

하부탱크(30)에는 라디에이터(10)를 통과하면서 냉각된 냉각수가 저장되고, 이 냉각수는 실린더 블록과 실린더헤드에 물재킷(미도시)이라고 하는 물 통로를 통해 엔진을 냉각시킨다.Cooling water cooled while passing through the radiator 10 is stored in the lower tank 30, which cools the engine through a water passage called a water jacket (not shown) in the cylinder block and the cylinder head.

튜브(40)는 상부탱크(20)와 하부탱크(30)가 소통되도록 연결된다. 또한, 내부에는 상부탱크(20)로 유입된 뜨거운 냉각수가 흐르고, 공기에 의해 냉각수가 냉각된다. 여기서, 방열량을 증대시키기 위해 라디에이터 그릴(미도시) 후측의 위치하는 튜브(40)가 다수의 보조튜브(40a)로 분기되도록 한다. 그리고, 냉각수가 라디에이터 그릴 후측의 보조튜브(40a)를 통과한 후에는 종래와 동일하게 하나의 튜브(40)를 통해 냉각수가 흐르게 된다. 또한, 보조튜브(40a)의 직경은 튜브(40)의 직경의 1/2정도가 적합하다. 즉, 일반적인 라디에이터(10)에 설치되는 튜브(40)의 직경은 10∼14㎜정도이지만, 보조튜브(40a)의 직경은 5∼7㎜정도로 설정한다.The tube 40 is connected so that the upper tank 20 and the lower tank 30 communicate. In addition, hot cooling water introduced into the upper tank 20 flows inside, and the cooling water is cooled by air. Here, in order to increase the amount of heat dissipation, the tube 40 located behind the radiator grill (not shown) is branched into the plurality of auxiliary tubes 40a. After the cooling water passes through the auxiliary tube 40a on the rear side of the radiator grill, the cooling water flows through one tube 40 as in the related art. In addition, the diameter of the auxiliary tube (40a) is preferably about 1/2 of the diameter of the tube (40). That is, although the diameter of the tube 40 provided in the general radiator 10 is about 10-14 mm, the diameter of the auxiliary tube 40a is set to about 5-7 mm.

핀(50)은 튜브(40)와 튜브(40) 사이에 방열면적을 증가시키도록 주름모양으로 설치되고, 튜브(40)를 통과하는 뜨거워진 냉각수를 식히기 위해 외부로 열을 방출하게 된다.Fin 50 is installed in a corrugated shape to increase the heat dissipation area between the tube 40 and the tube 40, and will release heat to the outside to cool the hot cooling water passing through the tube (40).

이러한 구성으로, 엔진을 식히기 위해 순환된 후 상부탱크(20)에 저장된 뜨거운 냉각수가 튜브(40) 및 보조튜브(40a)를 통과하면서 냉각된다. 즉, 동일면적인 경우에는, 1개의 튜브(40)를 통과하는 뜨거운 냉각수를 냉각시키는 것보다 2개 또는 3개 등의 다수의 보조튜브(40a)를 통해 분기되어 흐르는 냉각수를 냉각시키는 것이 훨씬 용이하다.In this configuration, the hot coolant stored in the upper tank 20 after being circulated to cool the engine is cooled while passing through the tube 40 and the auxiliary tube 40a. That is, in the case of the same area, it is much easier to cool the cooling water branched through two or three auxiliary tubes 40a or the like rather than cooling the hot cooling water passing through one tube 40. Do.

또한, 등판 주행 및 고속주행시 라디에이터 그릴 후측의 다수의 보조튜브(40a)는 큰 방열면적을 가지며, 라디에이터 그릴 후측에 풍량 및 풍속이 집중되기 때문에 라디에이터(10)의 방열량도 증대된다. 따라서, 차량에 따른 라디에이터 그릴의 크기에 맞게 다수의 보조튜브(40a)의 크기를 설정하여, 라디에이터 그릴을 통과하는 공기에 의한 방열면적 및 방열량을 현저히 증대시키게 된다.In addition, the plurality of auxiliary tubes 40a at the rear of the radiator grille have a large heat dissipation area during climbing and high-speed driving, and the amount of heat dissipation of the radiator 10 is also increased because the air volume and the wind speed are concentrated at the rear of the radiator grille. Therefore, by setting the size of the plurality of auxiliary tubes (40a) according to the size of the radiator grille according to the vehicle, the heat radiation area and the amount of heat radiation by the air passing through the radiator grille is significantly increased.

상기된 바와 같은 본 발명에 따른 장치는, 등판주행 및 고속주행시 라디에이터의 방열면적 및 방열량을 증대시켜 냉각성능을 향상시키고, 엔진의 과열을 방지하는 효과가 있다.As described above, the apparatus according to the present invention increases the heat dissipation area and the heat dissipation amount of the radiator during climbing and high-speed driving, thereby improving cooling performance and preventing overheating of the engine.

이상에서는, 본 발명을 특정의 바람직한 실시예에 대해서 도시하고 설명하였다. 그러나, 본 발명은 상술한 실시예에만 한정되는 것은 아니며, 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자라면 이하의 특허청구범위에 기재된 본 발명의 기술적 사상의 요지를 벗어남이 없이 얼마든지 다양하게 변경 실시할 수 있을 것이다.In the above, the present invention has been illustrated and described with respect to certain preferred embodiments. However, the present invention is not limited only to the above-described embodiments, and those skilled in the art to which the present invention pertains may vary without departing from the spirit of the technical idea of the present invention described in the claims below. It will be possible to carry out the change.

Claims (2)

상부탱크, 하부탱크 및 이들을 연결하는 튜브와 핀으로 구성되어, 엔진에서 발생한 열의 일부를 냉각수를 통해서 대기 속으로 방출하는 라디에이터에 있어서,In the radiator composed of the upper tank, the lower tank and the tube and the fins connecting them, and radiates part of the heat generated by the engine to the atmosphere through the coolant, 상기 튜브의 일부가 다수의 보조튜브로 분기되어 냉각수의 방열량을 증대시키는 것을 특징으로 하는 방열량이 증대된 라디에이터.A radiator having an increased heat dissipation, characterized in that a portion of the tube is branched into a plurality of auxiliary tubes to increase the heat dissipation of the cooling water. 제 1항에 있어서, 상기 보조튜브는 방열량을 증대시키기 위해 라디에이터 그릴의 후측에 설치되는 것을 특징으로 하는 방열량이 증대된 라디에이터.The radiator of claim 1, wherein the auxiliary tube is installed at the rear side of the radiator grill to increase the heat dissipation amount.
KR1020020024231A 2002-05-02 2002-05-02 Radiator for increasing quantity of radiation in an automobile KR20030085925A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970044821U (en) * 1995-12-23 1997-07-31 스리스타주식회사 Automotive integrated cooling system
KR20020041933A (en) * 2000-11-29 2002-06-05 황한규 Condenser for heat exchanger

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970044821U (en) * 1995-12-23 1997-07-31 스리스타주식회사 Automotive integrated cooling system
KR20020041933A (en) * 2000-11-29 2002-06-05 황한규 Condenser for heat exchanger

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