KR100469016B1 - Resistor for driving motor of airconditioner blower - Google Patents
Resistor for driving motor of airconditioner blower Download PDFInfo
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- KR100469016B1 KR100469016B1 KR10-2002-0032025A KR20020032025A KR100469016B1 KR 100469016 B1 KR100469016 B1 KR 100469016B1 KR 20020032025 A KR20020032025 A KR 20020032025A KR 100469016 B1 KR100469016 B1 KR 100469016B1
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- 239000011810 insulating material Substances 0.000 claims abstract description 39
- 238000005452 bending Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000004308 accommodation Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000013021 overheating Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000570 Cupronickel Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/007—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to a foam layer
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/102—Oxide or hydroxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2607/00—Walls, panels
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Abstract
개시된 내용은 팬 구동속도를 제어하기 위한 저항기의 내부저항이 온도퓨즈가 커버부재 외측에 구현한 에어컨 팬 모터용 저항기에 관한 것이다.The present disclosure relates to a resistor for an air conditioner fan motor in which the internal resistance of the resistor for controlling the fan driving speed is realized outside the cover member by the temperature fuse.
이 에어컨 팬 모터용 저항기는, 절연재(120)와 저항체(110)들을 적층한 저항부(100)와; 전원접속단자가 저항체(110)들과 납땜/접속되는 단자(212)(214)들이 위치하는 커넥터부(200);로 이루어지는 에어컨 팬 모터용 저항기에 있어서,The air conditioner fan motor resistor includes: a resistor unit 100 in which an insulating material 120 and resistors 110 are stacked; In the resistor for the air conditioner fan motor consisting of a connector portion 200, the power supply connection terminal is located in the terminals 212, 214 to be soldered / connected to the resistors 110,
상기 방열판(130)외측 상부에 형성된 접속공(161)에 온도퓨즈(160)의 링형단자(162)를 볼트(163)로서 고정시켜 상기 저항체(110)공통단자에 접속시켜 양극이 통전되게 함과 동시에 그 타단은 커넥터부(200)의 음극단자에 접속되는 온도퓨즈(160)를 하며, 수용공간(141)을 형성하는 커버부재(140)의 상,좌,우측 연부를 따라 절곡돌기(144)들을 형성하여 그 내측 수용공간(141)에 제 1,제2,제3절연재(122,124,126),제 1,제2,제3저항체(112,114116),방열판(130)을 적층한 뒤 상기 절곡돌기(144)를 접어 조립하는 에어컨 팬 모터용 저항기이다.The ring-shaped terminal 162 of the temperature fuse 160 is fixed to the connection hole 161 formed on the outer side of the heat sink 130 as a bolt 163 to be connected to the common terminal of the resistor 110 so that the anode is energized. At the same time, the other end has a temperature fuse 160 connected to the negative terminal of the connector part 200, and the bending protrusion 144 is formed along the upper, left and right edges of the cover member 140 forming the accommodation space 141. The first, second and third insulating materials 122, 124 and 126, the first, second and third resistors 112 and 114116 and the heat dissipation plate 130 in the inner accommodating space 141 and then the bending protrusions. A resistor for an air conditioner fan motor which is assembled by folding (144).
Description
본 발명은 자동차의 공조장치에 사용되는 송풍모터의 회전속도를 조절하기 위한 에어컨 팬 모터용 저항기에 관한 것으로, 특히 금속박판으로 이루어진 저항체를 적어도 두매이상의 저항체로 분리시켜 절연재와 함께 적층되고 온도퓨즈를 방열판 외부에 배치한 에어컨 팬 모터용 저항기에 관한 것이다.The present invention relates to a resistor for an air conditioner fan motor for adjusting the rotational speed of a blower motor used in an air conditioner of an automobile. In particular, a resistor made of a metal sheet is separated into at least two resistors and laminated together with an insulating material, and a temperature fuse is applied. A resistor for an air conditioner fan motor disposed outside the heat sink.
에어컨 팬 모터용 저항기는 다음과 같은 것들이 알려져 있다.The following are known resistors for air conditioner fan motors.
첨부 도면중 도 1은 종래 에어컨 팬 모터용 저항기의 사시도이고, 도 2는 종래 에어컨 팬 모터용 저항기의 분해 사시도이며, 도 3은 종래의 에어컨 팬 모터용 저항기의 다른 예의 사시도이고, 도 4는 종래 에어컨 팬 모터용 저항기의 다른 예의 분해사시도이며, 도 7c는 종래 에어컨 팬 모터용 저항기의 단판상의 저항체를 나타내며, 도 12b는 종래 에어컨 팬 모터용 저항기의 단판에 구현된 저항체를 도식적으로 나타낸 도면이다1 is a perspective view of a conventional air conditioner fan motor resistor, Figure 2 is an exploded perspective view of a conventional air conditioner fan motor resistor, Figure 3 is a perspective view of another example of a conventional air conditioner fan motor resistor, Figure 4 is a conventional 7 is an exploded perspective view of another example of a resistor for an air conditioner fan motor, and FIG. 7C shows a resistor on a single plate of a resistor for a conventional air conditioner fan motor, and FIG. 12B is a diagram schematically showing a resistor implemented on a single plate of a resistor for a conventional air conditioner fan motor.
상기 도면들에 따르는 종래 통용되는 에어컨 팬 모터용 저항기는,Resistor for a conventional air conditioner fan motor according to the drawings,
공조장치에 접속하기 위한 커넥터부(20)와, 저항체(11)가 내장되어 있는 저항부(10)로 이루어진다.It consists of a connector part 20 for connecting to an air conditioning apparatus and a resistor part 10 in which a resistor 11 is incorporated.
상기 저항부(10)는 저항체(11)의 열을 방출하기 위한 방열판(13) 및 커버부재(14)와, 상기 저항체(11)의 절연을 위하여 상기 저항체(11)의 양측에 부착되는 절연재(12)로 이루어지며, 과열방지수단인 솔더부(30)가 하부 일측단자와의 사이에 용접 또는 납땜접속된다.The resistor unit 10 includes a heat sink 13 and a cover member 14 for dissipating heat from the resistor 11, and an insulating material attached to both sides of the resistor 11 to insulate the resistor 11. 12), the solder portion 30, which is an overheat prevention means, is welded or soldered between the lower one side terminal.
상기 저항기들의 저항체(11)는 1개의 공통단자(21)와 3개의 선택단자(22, 23, 24)를 구비하고 있으며, 상기 단자들(22, 23, 24) 사이에 각기 다른 저항값을 가지도록 저항회로를 형성한다.The resistor 11 of the resistors has one common terminal 21 and three selection terminals 22, 23, and 24, and has different resistance values between the terminals 22, 23, and 24. To form a resistance circuit.
이하에서는 공통단자(21)와 제 1선택단자(22) 사이의 저항을 R3, 제 1선택단자(22)와 제 2선택단자(23) 사이의 저항을 R2, 제 2선택단자(23)와 제 3선택단자(24) 사이의 저항을 R1이라 하고, 송풍 모터의 회전 속도중 저속부터 1단, 2단, 3단이라 한다.Hereinafter, the resistance between the common terminal 21 and the first selection terminal 22 is R3, and the resistance between the first selection terminal 22 and the second selection terminal 23 is R2, the second selection terminal 23 and the resistance. The resistance between the third selection terminals 24 is referred to as R1, and the first, second, and third stages of the rotational speed of the blower motor are from low speed.
즉, 공통단자(21)와 제 3선택단자(24)가 선택되면, 저항값은 R1+R2+R3가 되어 저항값이 가장 커져 송풍모터의 회전속도는 가장 낮은 속도인 1단이 되고, 공통단자(21)와 제 2선택단자(23)가 연결되면 저항값이 R3+R2가 되어 송풍모터의 회전속도는 2단이되며, 공통단자(21)와 제 1 선택단자(22)에 연결되면 저항값은 R3가 되어 송풍속도는 가장 빠른 3단이 된다.That is, when the common terminal 21 and the third selection terminal 24 are selected, the resistance value becomes R1 + R2 + R3, and the resistance value becomes the largest, so that the rotational speed of the blower motor becomes the first stage, which is the lowest speed. When the terminal 21 and the second selection terminal 23 are connected, the resistance value becomes R3 + R2, and the rotational speed of the blower motor becomes two stages, and when connected to the common terminal 21 and the first selection terminal 22, the resistance The value is R3 and the blowing speed is the fastest three stages.
그런데, 이러한 종래 저항체의 경우 금속 박판 1장에 각기 R1, R2, R3를 형성하게 되므로, 도시된 바와 같이 저항체(11)의 선폭이 매우 좁고, 회로간의 간격도 좁아서 단락이 잦아 고장이 빈번하고, 또한 강도도 떨어져 제작시에 많은 어려움이 있었다.However, in the case of such a conventional resistor, since R1, R2, and R3 are formed on one sheet of metal sheet, as shown, the line width of the resistor 11 is very narrow, and the spacing between circuits is narrow, so that short circuits occur frequently, In addition, the strength was also difficult to make a lot of difficulties.
즉, 첨부 도면 도 7c와 도 12b에서 도시하는 바와같이 제한된 면적내에서 저항값을 갖기 위해서 R1의 경우 "a"에 표시된 바와 같이 극히 선폭이 좁은 부분을 구비하게 되는데, 아래 식에서 기재하는 바와같이,That is, in order to have a resistance value within a limited area as shown in FIGS. 7C and 12B of the accompanying drawings, an extremely narrow line width is provided in the case of R1 as indicated by " a "
(R:저항, ρ:고유저항, A :단면적, L:회로길이) (R: resistance, ρ: intrinsic resistance, A: cross-sectional area, L: circuit length)
저항은 길이에 비례하고, 단면적에 반비례하는 것이므로, 이러한 좁은 선폭의 단면적을 갖는 부분(a)에서는 과열이 발생하고 상기 열로 인하여 저항값에 변화를 가져와 설계의 저항값과 다른 저항값을 가지게 되어 작동오차가 발생하는등 문제점이 있었다.Since the resistance is proportional to the length and inversely proportional to the cross-sectional area, the overheating occurs in the portion (a) having a narrow cross-sectional area, and the heat causes a change in the resistance value, resulting in a resistance value different from that of the design. There was a problem such as an error occurs.
한편, 회로에서 발생되는 열에 대하여 아래 공식을 통하여 살펴보면,Meanwhile, looking at the heat generated in the circuit through the formula below,
(I:전류, R:저항, T:단위시간) (I: current, R: resistance, T: unit time)
저항기 작동시 발생하는 열(주울열)은 전류의 제곱에 비례하고, 상기한 바와같이 회로 단면적에는 반비례하므로 단위 면적당 전류밀도를 감소시키기 위해서는회로의 폭을 증대하여야 발생열을 분산시킬 수 있으므로 이 점을 회로 및 방열구조를 설계,제작함에 반영되어야 하는 것이다.The heat generated in the operation of the resistor (Joule heat) is proportional to the square of the current and is inversely proportional to the circuit cross section as described above. Therefore, in order to reduce the current density per unit area, the width of the circuit can be increased to disperse the generated heat. Circuit and heat dissipation structure should be reflected in the design and manufacture.
즉, 저항회로를 이루는 박판회로의 폭이 작으면 작을수록 단선율이 높아 고장이 잦고, 박판회로의 폭을 넓히면 넓힐수록 단선율이 감소하므로 각 저항체의 선폭을 개선함에 필요한 구조적인 변경이 필요로 되어 왔다.In other words, the smaller the width of the thin-film circuit constituting the resistance circuit, the higher the disconnection rate is, so that the more frequent the breakdown, and the wider the width of the thin-circuit circuit, the smaller the disconnection rate is, the more structural changes necessary to improve the line width of each resistor are required. .
첨부 도면 도 13에서 표시하는 저항체의 각 저항별 전력은,Power of each resistor of the resistor shown in FIG. 13 is
1단 작동시 R3는 10.6W, R2는 18.2W, R1는 30W, 2단작동시 R3는 35W, R2는 60W, R1은 0W, 3단 작동시 R3는 140W, R2,R3는 각각 0W임을 고려할 때, R1,R2측의 전력량은 R3에 비하여 매우 적어짐을 알 수 있다. 저항체 전체를 방열시키기 위하여 이와같은 저항체마다의 발열량을 고려하지 않는 방열구조는 재료의 낭비를 초래하는 불합리한 구조이기도하다.Consider that R3 is 10.6W in R1, 18.2W in R2, 30W in R1, 35W in R3 in R2, 60W in R2, 0W in R1, 0W in R3, 140W in R3, and 0W in R2 and R3 respectively. In this case, it can be seen that the amount of power on the R1 and R2 sides is very small compared to R3. The heat dissipation structure that does not consider the amount of heat generated for each resistor in order to dissipate the entire resistor is also an unreasonable structure that causes waste of materials.
특히 종래에는 상기 도 3 및 도 4에서 도시하는 바와같이 원통형의 온도퓨즈로 이루어진 과열방지수단이 적용되기 시작하였으나, 이러한 구조의 저항기에 있어서는 외부일측의 커버부재 상단을 절개한 상태에서 저항체사이에 용접하여 연결하는 구조이나, 방열판 내벽과의 단락우려가 있고, 저항값(R3)의 산포가 심하며, 구조적으로 복잡하며, 이에 수반하는 제조공정의 까다로움으로 인해 제품단가가 높아지며, 고장율도 높은 단점도 있었다.Particularly, in the related art, as shown in FIGS. 3 and 4, an overheat prevention means made of a cylindrical temperature fuse has begun to be applied. However, in a resistor of such a structure, welding is performed between resistors in a state where the top of the cover member on the outer side is cut out. Structure, and there is a possibility of short circuit with the inner wall of the heat sink, the distribution of resistance value (R3) is severe, structural complexity, the manufacturing cost is high due to the complexity of the manufacturing process, and the failure rate is also high there was.
또한, 동니켈 합금의 종래 저항체는 재료비가 많이 소요되고, 반도체 재료로 의 사용은 산포도가 높아 적용이 거의 불가능하며, 온도특성이 불량하고, 필름에칭 및 저항조립공정에서의 기계적 강도가 좋지않은 단점들도 있다.In addition, the conventional resistors of copper nickel alloys require a large material cost, and use as a semiconductor material is difficult to apply due to high dispersion, poor temperature characteristics, and poor mechanical strength in film etching and resistance assembly processes. There are also.
본 발명은 이러한 종래의 에어컨 모터용 저항기의 문제점을 개선하여 과열방지용 온도퓨즈를 방열판 외부에서 조립가능하게 하여 단락방지수단의 조립구성에 대한 설계상의 안정성을 구현한 에어컨 모터용 저항기를 제공함에도 그 목적이 있다.아울러 본 발명은 저항체와 절연재 및 방열판을 결합함에 있어 커버부재에 형성된 절곡돌기로서 절곡/결합하므로서 그동안 용접, 볼트 체결에 따른 단점을 개선한 에어컨 팬 모터용 저항기를 제공하는 데에도 그 목적이 있다.The present invention also provides a resistor for an air conditioner motor that improves the problems of the conventional air conditioner motor resistor to enable the overheat prevention temperature fuse to be assembled outside the heat sink to implement the design stability for the assembly configuration of the short circuit prevention means. In addition, the present invention is to provide a resistor for an air conditioner fan motor that improves the shortcomings due to welding and bolting while bending / coupling as a bending protrusion formed on the cover member in the coupling of the resistor, the insulating material and the heat sink. There is this.
도 1은 종래 에어컨 팬 모터용 저항기의 사시도.1 is a perspective view of a resistor for a conventional air conditioner fan motor.
도 2는 종래 에어컨 팬 모터용 저항기의 분해 사시도,2 is an exploded perspective view of a conventional air conditioner fan motor resistor;
도 3은 종래의 에어컨 팬 모터용 저항기의 다른 예의 사시도,3 is a perspective view of another example of a resistor for a conventional air conditioner fan motor;
도 4는 종래 에어컨 팬 모터용 저항기의 다른 예의 분해사시도,4 is an exploded perspective view of another example of a resistor for a conventional air conditioner fan motor;
도 5는 본 발명 에어컨 팬 모터용 저항기의 제 1실시예의 사시도,5 is a perspective view of a first embodiment of a resistor for a fan air conditioner of the present invention;
도 6은 본 발명 에어컨 팬 모터용 저항기의 제 1실시예의 분해 사시도,6 is an exploded perspective view of a first embodiment of the resistor for an air conditioner fan motor of the present invention;
도 7a는 본 발명 제 1, 제 2실시예의 에어컨 팬모터용 저항기의 저항체를 나타내고, 도 7b는 본 발명 제 3실시예의 에어컨 팬 모터용 저항기의 저항체를 나타내고, 도 7c는 종래 에어컨 팬 모터용 저항기의 단판상의 저항체를 나타낸다.FIG. 7A shows a resistor of the resistor for an air conditioner fan motor of the first and second embodiments of the present invention, FIG. 7B shows a resistor of the resistor for an air conditioner fan motor of the third embodiment of the present invention, and FIG. 7C shows a resistor for a conventional air conditioner fan motor. Represents a single plate resistor.
도 8은 본 발명 에어컨 팬 모터용 저항기의 제 2실시예의 사시도,8 is a perspective view of a second embodiment of the resistor for the air conditioner fan motor of the present invention;
도 9은 본 발명 에어컨 팬 모터용 저항기의 제 2실시예의 분해사시도,9 is an exploded perspective view of a second embodiment of a resistor for an air conditioner fan motor of the present invention;
도 10은 본 발명 에어컨 팬 모터용 저항기의 제 3실시예의 분해사시도,10 is an exploded perspective view of a third embodiment of a resistor for an air conditioner fan motor of the present invention;
도 11a 및 도 11b는 본 발명 에어컨 팬 모터용 저항기의 요부확대 단면도들이다.11A and 11B are enlarged cross-sectional views illustrating main parts of a resistor for an air conditioner fan motor of the present invention.
도 12a는 본 발명 에어컨 팬 모터용 저항기의 제 1저항체, 제 2저항체를 분리한 상태이고, 도 12b는 종래 에어컨 팬 모터용 저항기의 단판에 구현된 저항체를 도식적으로 나타낸 도면이다.12A is a state in which a first resistor and a second resistor of the resistor for an air conditioner fan motor of the present invention are separated, and FIG. 12B is a diagram schematically showing a resistor implemented on a single plate of a resistor for a conventional air conditioner fan motor.
도 13은 에어컨 팬 모터용 저항기의 대표적인 예로서, 저항대비 소비전력을 나타내는 도표이다.13 is a diagram illustrating a power consumption versus resistance as a representative example of a resistor for an air conditioner fan motor.
※ 도면의 주요 부분에 대한 부호 설명※ Explanation of main parts of drawing
100 : 저항부, 110 : 저항체100: resistor, 110: resistor
112 : 제 1저항체 114 : 제 2저항체112: first resistor 114: second resistor
116 : 제 3저항체 120 : 절연재116: third resistor 120: insulating material
130 : 방열판 140 : 커버부재130: heat sink 140: cover member
150 : 온도퓨즈 160 : 온도퓨즈150: temperature fuse 160: temperature fuse
200 : 커넥터부200: connector
이러한 목적을 달성하기 위한 본 발명 에어컨 팬 모터용 저항기는 절연재와 저항체들을 적층한 저항부와; 전원접속단자가 저항체들과 납땜/접속되는 단자들이 위치하는 커넥터부로 이루어지는 에어컨 팬 모터용 저항기에 있어서,상기 방열판외측 상부에 형성된 접속공에 온도퓨즈의 링형단자를 볼트로서 고정시켜 상기 저항체공통단자에 접속시켜 양극이 통전되게 함과 동시에 그 타단은 커넥터부의 음극단자에 접속되는 온도퓨즈를 더 구비함이 바람직하다.본 발명 에어컨 팬 모터용 저항기는 수용공간을 형성하는 커버부재의 상,좌,우측 연부를 따라 절곡돌기들을 형성하고, 그 내측 수용공간에 차례로 제 1절연재,제 1저항체,제 2절연재, 제 2,3저항체, 제 3절연재, 방열판을 적층한 뒤 상기 커버부재의 절곡돌기를 접어 조립함이 바람직하다.In order to achieve the above object, the present invention provides a resistor for an air conditioner fan motor comprising: a resistor unit including an insulating material and a resistor; In a resistor for an air conditioner fan motor comprising a connector portion in which a power supply connecting terminal is soldered and connected to the resistors, A ring-shaped terminal of a temperature fuse is fixed to a connection hole formed in the upper portion of the heat sink outside by bolts to the resistor common terminal. It is preferable that the positive electrode is energized while the other end thereof is further provided with a temperature fuse connected to the negative terminal of the connector portion. Bending protrusions are formed along the edges, and the first insulator, the first resistor, the second insulator, the second and third resistors, the third insulator, and the heat sink are sequentially stacked in the inner accommodating space, and then the bending protrusions of the cover member are folded. It is preferable to assemble.
이하 본 발명의 바람직한 실시예를 첨부된 도면들에 의거하여 상세하게 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
첨부 도면 중 도 5는 본 발명 에어컨 팬 모터용 저항기의 제 1실시예의 사시도이고, 도 6은 본 발명 에어컨 팬 모터용 저항기의 제 1실시예의 분해 사시도이며, 도 7a는 본 발명 에어컨 팬 모터용 저항기의 저항체를 발췌한 평면개략도이고, 도 11a는 본 발명 에어컨 팬 모터용 저항기의 개략단면도이다.5 is a perspective view of a first embodiment of the resistor for an air conditioner fan motor of the present invention, FIG. 6 is an exploded perspective view of a first embodiment of the resistor for an air conditioner fan motor of the present invention, and FIG. 7A is a resistor for the air conditioner fan motor of the present invention. Fig. 11A is a schematic sectional view of a resistor for an air conditioner fan motor of the present invention.
상기 도면에 따르는 본 발명 에어컨 모터용 저항기의 제 1실시예의 저항기는크게 저항부(100)와, 커넥터부(200)로 이루어진다.The resistor of the first embodiment of the resistor for an air conditioner motor of the present invention according to the drawings is largely composed of a resistor unit 100 and a connector unit 200.
상기 저항부(100)는 다시 방열판(130)과, 절연재(120)와, 저항체(110)로 이루어진다.The resistor unit 100 includes a heat sink 130, an insulating material 120, and a resistor 110.
이중에서 저항체(110)는 제일 적은 저항값(R3)의 독립적인 제 1저항체(112)와, 중간 저항값(R2)의 제 2저항체(114)에 제일 큰 저항값(R1)의 제 3저항체(116)를 결합하여서 된다.Among them, the resistor 110 includes the first resistor 112 having the smallest resistance value R3 and the third resistor having the largest resistance value R1 at the second resistor 114 having the intermediate resistance value R2. 116 may be combined.
상기 커버부재(140)는 양측 하단으로 지지각(142)을 형성하고, 내측은 수용공간(141)을 형성하며, 이 수용공간(141)의 상,좌,우측 연부를 따라 절곡돌기(144)들을 형성한다.The cover member 140 forms a support angle 142 at both lower ends, and an inner side forms a receiving space 141, and bends 144 along the upper, left, and right edges of the receiving space 141. Form them.
상기 방열판(130)은 외측으로 방열핀(132)들을 다수 형성한다.The heat sink 130 forms a plurality of heat radiation fins 132 to the outside.
절연재(120)는 상기 커버부재(140)내측에 일측이 접촉위치되는 제 1절연재(122)와, 상기 저항체(112)와 저항체(114,116)사이에 개재되는 제 2절연재(124)와, 저항체(114,116)와 방열판(130)사이에 위치하는 제 3절연재(126)로 이루어진다.The insulating material 120 may include a first insulating material 122 having one side in contact with the inside of the cover member 140, a second insulating material 124 interposed between the resistor 112 and the resistors 114 and 116, and a resistor ( And a third insulating material 126 positioned between the 114 and 116 and the heat sink 130.
커넥터부(200)의 구체적인 구조는 많이 알려져 있으므로 구체적인 구조는 생략한다.Since the specific structure of the connector part 200 is known a lot, the specific structure is omitted.
이와같은 본 발명 저항기의 조립은 양측 하단에 지지각(142)을 형성한 커버부재(140)의 내측 수용공간(141)으로 부터 차례로 제 1절연재(122)와,제 1저항체(112)와,제 2절연재(124)와, 제 2저항체(114)와 제 3저항체가 결합된 저항체와, 제 3절연재(126)와, 방열판(130)을 적층한 뒤 상기 커버부재(140)의 절곡돌기(144)를 접어 상기 방열판(130)을 결합하여서 된다.In the assembly of the resistor of the present invention, the first insulating material 122, the first resistor 112, and the first insulating material 122 are sequentially formed from the inner accommodating space 141 of the cover member 140 having the support angles 142 formed at both lower ends thereof. After stacking the second insulating material 124, the second resistor 114 and the third resistor, the third insulating material 126, and the heat sink 130, the bending protrusions of the cover member 140 ( 144 may be folded to couple the heat sink 130.
이때 하단부에는 상기 분리된 저항체들의 절연을 위하여 절연재는 물론 방열판도 연장부를 형성하는 것이 바람직하다.In this case, it is preferable to form an extension as well as an insulation material for the insulation of the separated resistors.
방열판(130)측에만 제 3저항체(R3)를 적층하는 이유는 어떠한 선택단자와 연결됨에 관계없이 제 3저항체(R3)는 항상 전류가 흘러서 열이 발생하고, 가장 많은 열을 발생하기 때문이다.The reason why the third resistor R3 is stacked only on the heat sink 130 is that the third resistor R3 always generates current by generating current and generates the most heat regardless of any selection terminal.
또한, 이러한 저항체는 종래에 사용하는 동니켈합금보다 온도에 따른 저항 변화율이 적고, 강도면에서 우수하며, 단가가 저렴한 철-니켈합금을 사용함이 바람직하다.In addition, it is preferable that such a resistor uses an iron-nickel alloy having a lower resistance change rate with temperature, superior in strength, and lower cost than a copper nickel alloy used in the related art.
첨부 도면중 도 8은 본 발명 에어컨 팬 모터용 저항기의 제 2실시예의 사시도이고, 도 9는 이것의 분해사시도이고, 그 단면도는 제 1실시예의 단면도인 도 11a와 같고, 저항체의 구성도 제 1실시예를 나타내는 도 7a와 같다.FIG. 8 is a perspective view of a second embodiment of the resistor for an air conditioner fan motor of the present invention, FIG. 9 is an exploded perspective view thereof, and its cross section is the same as that of FIG. 11A which is a sectional view of the first embodiment, and the structure of the resistor is first. 7A shows an embodiment.
상기 도면들에 따르는 본 발명 제 2실시예의 저항기 역시 크게 저항부(100)와, 커넥터부(200)로 이루어진다.The resistor of the second embodiment of the present invention according to the drawings also comprises a resistor part 100 and a connector part 200.
저항부(100)는 다시 방열판(130)과, 절연재(120)와, 저항체(110)와, 커버부재(140) 및 과열방지수단인 온도퓨즈(160)로 이루어진다.The resistor unit 100 includes a heat sink 130, an insulating material 120, a resistor 110, a cover member 140, and a temperature fuse 160 that is an overheat prevention means.
저항체(110)는 독립적인 제 1저항체(112)와, 결합된 제 2저항체(114),제 3저항체(116)로 이루어지고, 상기 커버부재(140)는 양측 하단으로 지지각(142)을 형성하고, 내측은 수용공간(141)을 형성하며, 이 수용공간(141)의 상,좌,우측 연부를 따라 절곡돌기(144)들을 형성하며, 상기 방열판(130)은 외측으로 방열핀(132)들을다수 형성하며, 절연재(120)는 상기 커버부재(140)내측에 일측이 접촉위치되는 제 1절연재(122)와, 상기 저항체(112)와 저항체(114,116)사이에 개재되는 제 2절연재(124)와, 저항체(114,116)와 방열판(130)사이에 위치하는 제 3절연재(126)로 이루어진다.The resistor 110 includes an independent first resistor 112, a combined second resistor 114, and a third resistor 116, and the cover member 140 has a support angle 142 at both lower ends thereof. The inner side forms an accommodating space 141, and forms bending protrusions 144 along the upper, left, and right edges of the accommodating space 141, and the heat dissipating plate 130 radiates outwardly of the heat dissipating fin 132. The insulating material 120 is formed of many, the first insulating material 122 having one side in contact with the inside of the cover member 140, and the second insulating material 124 interposed between the resistor 112 and the resistors 114 and 116. ) And a third insulating material 126 positioned between the resistors 114 and 116 and the heat sink 130.
특히, 상기 방열판(130)외측에는 온도퓨즈(160)가 노출배치됨에 있어 다음과 같은 폐회로의 구성을 갖는다. 즉, 온도퓨즈 입력단자인 상단 링형단자(162)를 볼트(163)로서 방열판(130)상부에 결합(통전가능)시키고, 저항체(112)의 출력단은 방열판(130) 하단부에 볼트(163)로 접속하고, 온도퓨즈(160) 출력단은 커넥터부(200)단자에 연결됨으로써 비로소 커넥터(200)의 제 1단자로 부터 저항체들, 방열판(130) 및 온도퓨즈(160)를 거쳐 커넥터의 다른 단자로 이루어진 폐회로를 이룬다.In particular, the temperature fuse 160 is disposed outside the heat sink 130 to have a closed circuit configuration as follows. That is, the upper ring-shaped terminal 162, which is a temperature fuse input terminal, is coupled to the upper portion of the heat sink 130 as a bolt 163 (can be energized), and the output terminal of the resistor 112 is connected to the lower portion of the heat sink 130 by a bolt 163. And the output terminal of the temperature fuse 160 is connected to the terminal of the connector 200 so that the first terminal of the connector 200 is connected to the other terminal of the connector via the resistors, the heat sink 130 and the temperature fuse 160. A closed loop is made.
이와같은 본 발명 저항기의 조립은 양측 하단에 지지각(142)을 형성한 커버부재(140)의 내측 수용공간(141)에 차례로 제 1절연재(122)와,제 1저항체(112)와,제 2절연재(124)와, 제 2저항체(114)와 제 3저항체가 결합된 저항체와, 제 3절연재(126)와, 방열판(130)을 적층한 뒤 상기 커버부재(140)의 절곡돌기(144)를 접어 상기 방열판(130)을 결합하며, 기 형성된 접속공(161)으로 링형단자(162)을 가진 온도퓨즈(160)의 상단이 볼트(163)를 이용하여 접속된다.In order to assemble the resistor of the present invention, the first insulating material 122, the first resistor 112, and the first insulating material 122 are sequentially formed in the inner receiving space 141 of the cover member 140 having the support angles 142 formed at both lower ends thereof. A second insulating material 124, a resistor in which the second resistor 114 and the third resistor are combined, a third insulating material 126, and a heat sink 130, and then the bending protrusion 144 of the cover member 140. The upper end of the temperature fuse 160 having the ring-shaped terminal 162 is connected to the heat dissipation plate 130 by coupling the heat sink 130 to the pre-formed connection hole 161 using the bolt 163.
첨부 도면중 도 10은 본 발명 에어컨 팬 모터용 저항기의 제 3실시예의 분해사시도이고, 도 7b는 본 발명 에어컨 팬 모터용 저항기의 제 3실시예의 저항체의 발췌평면도이고, 도 11b는 본 발명 에어컨 팬 모터용 저항기의 제 3실시예의 개략단면도이다.10 is an exploded perspective view of a third embodiment of a resistor for an air conditioner fan motor of the present invention, and FIG. 7B is an exploded plan view of a resistor of a third embodiment of the resistor for an air conditioner fan motor of the present invention, and FIG. 11B is an air conditioner fan of the present invention. A schematic sectional view of a third embodiment of a motor resistor.
상기 도면에 따르는 본 발명 에어컨 팬 모터용 저항기는 크게 저항부(100)와, 커넥터부(200)로 이루어진다.The resistor for the air conditioner fan motor of the present invention according to the drawings is largely composed of a resistor unit 100 and a connector unit 200.
저항부(100)는 다시 방열판(130)과, 절연재(120)와, 저항체(110)와, 커버부재(140)로 이루어진다.The resistor unit 100 includes a heat sink 130, an insulating material 120, a resistor 110, and a cover member 140.
본 실시예에서는 저항체(110)가 제 1저항체(112)와, 제 2저항체(114)와, 제 3저항체(116)가 각각 독립적으로 분리되어 있고, 상기 커버부재(140)는 양측 하단으로 지지각(142)을 형성하고, 내측은 수용공간(141)을 형성하며, 이 수용공간(141)의 상,좌,우측 연부를 따라 절곡돌기(144)들을 형성하며, 상기 방열판(130)은 외측으로 방열핀(132)들을 다수 형성한다.In the present embodiment, the resistor 110 is independently separated from the first resistor 112, the second resistor 114, and the third resistor 116, and the cover member 140 is supported at both lower ends. An angle 142 is formed, and an inner side forms an accommodating space 141. The bent protrusions 144 are formed along upper, left, and right edges of the accommodating space 141, and the heat sink 130 is formed on an outer side thereof. As a result, a plurality of heat dissipation fins 132 are formed.
특히, 절연재(120)는 상기 커버부재(140)내측에 일측이 접촉위치되는 제 1절연재(122)와, 상기 저항체(112)와 저항체(114)사이에 개재되는 제 2절연재(124)와, 저항체(114)와 저항체(116)사이에 개재되는 제 3절연재(126)와, 저항체(116)와 방열판(130)사이에 위치하는 제 4절연재(128)로 이루어진다.In particular, the insulating material 120 may include a first insulating material 122 having one side in contact with the inside of the cover member 140, a second insulating material 124 interposed between the resistor 112 and the resistor 114, and The third insulating material 126 is interposed between the resistor 114 and the resistor 116 and the fourth insulating material 128 positioned between the resistor 116 and the heat sink 130.
첨부 도면중 도 12a는 본 발명 에어컨 팬 모터용 저항기(1단회로의 예)의 제 1저항체, 제 2저항체를 분리한 상태를 도식적으로 나타내고, 도 12b는 종래 에어컨 팬 모터용 저항기의 단판에 구현된 저항체를 도식적으로 나타낸 도면이고, 도 13은 에어컨 팬 모터용 저항기의 저항대비 소비전력을 나타내는 도표이다.12A schematically shows a state in which a first resistor and a second resistor of the present invention air conditioner fan motor resistor (example of one-stage circuit) are separated, and FIG. 12B is implemented on a single plate of a conventional air conditioner fan motor resistor. FIG. 13 is a diagram schematically showing the resistors, and FIG. 13 is a chart showing power consumption versus resistance of a resistor for an air conditioner fan motor.
이 도면들에서 도시하는 바와같이 저항체(110)는 2개의 독립적인 저항체와, 혹은 3개의 독립적인 저항체로 이루어져 별개의 절연재를 사이에 두고 적층되고 소비전력은 에어컨 팬 모터용 저항기 3단회로에서 제 1저항체(R3)에서 가장 많은 전력소비가 이루어짐으로 발열량도 가장 많아 이 저항체(R3)를 집중적으로 방열시키게 되어 종래와같이 저항체 양측에 모두 방열판을 배치할 필요가 없게 되었다.As shown in these figures, the resistor 110 is composed of two independent resistors, or three independent resistors, and is laminated with a separate insulating material interposed therebetween. Since the most power consumption is achieved in one resistor (R3), the heat generation is also the highest, so that the resistor (R3) is intensively dissipated, so that it is not necessary to arrange heat sinks on both sides of the resistor as in the prior art.
또한, 종래에는 도 7c와 도 12b에서 도시하는 바와 같이 하나의 금속박판상에 저항 전부를 형성함으로 인해 저항체의 전체 면적이 커지게 되어 상대적으로 저항체(116)의 선폭이 가늘어지게 되어 단선고장율이 높았으나, 본 발명은 도 7a와 도 12a에서 도시하는 바와같이, 제 3실시예에서는 이 저항체(116)와 저항체(114)가 각각 독립적으로 적층되어 그 선폭을 확장가능하게 되어 저항체의 선폭강도가 강화되어 과열등으로 단선됨이 줄어드는 것이며, 마찬가지로 본 발명 실시예 1,2 에서도 비록 저항체(114)(116)이 결합되어 저항체(112)와 달리 구분되어 적층되었더라도 종래 단판의 저항체에 비하여 그 선폭이 넓어지게 되어 과열시 단선고장이 감소하게 되는 것이다.In addition, in the related art, as shown in FIGS. 7C and 12B, the entire area of the resistor is increased by forming all of the resistors on one metal sheet, so that the line width of the resistor 116 is relatively thin. 7A and 12A, in the third embodiment, the resistor 116 and the resistor 114 are stacked independently of each other to expand the line width so that the line width strength of the resistor is enhanced. The disconnection due to overheating is reduced, and similarly, in the first and second exemplary embodiments of the present invention, although the resistors 114 and 116 are combined and stacked separately from the resistor 112, the line width becomes wider than that of the conventional single plate resistor. As a result, breakdown failure is reduced when overheated.
1)저항기 작동시 저항은 아래 식에서 도시하는 바와같이,1) When the resistor is in operation, the resistance is as shown below.
(R:저항, ρ:고유저항, A :단면적, L:회로길이) (R: resistance, ρ: intrinsic resistance, A: cross-sectional area, L: circuit length)
길이에 비례하고 단면적에 반비례하는 것이고,Proportional to the length and inverse to the cross-sectional area,
2)회로에서 발생되는 열에 대하여 아래 공식을 통하여 살펴보면,2) Looking at the heat generated in the circuit through the formula below,
(I:전류, R:저항, T:단위시간) (I: current, R: resistance, T: unit time)
작동시 발생하는 주울열은 전류의 제곱에 비례하고, 회로 단면적에 반비례한다.Joule heat generated during operation is proportional to the square of the current and inversely proportional to the circuit cross-sectional area.
따라서 단위 면적당 전류밀도를 감소시키기 위해서는 회로의 폭을 증대하여야 발생열을 분산시킬 수 있으나 종래 좁은 선폭의 단면적을 갖는 부분에서는 과열이 발생하고 상기 열로 인하여 저항값에 변화를 가져와 설계의 저항값과 다른 저항값을 가지게 되어 작동상 오차가 발생하는등 많은 문제점이 있었으나, 본 발명 저항체는 독립적으로 분리되어 있으므로 그 선폭을 넓게 가져갈 수 있어 종래의 저항에 비하여 과열이 감소하여 저항값의 변동에 따른 오작동이 줄어들게 된다.Therefore, in order to reduce the current density per unit area, it is necessary to increase the width of the circuit to dissipate the generated heat. However, in the part having a narrow cross-sectional area, the overheating occurs and the heat causes a change in the resistance value, which is different from the resistance value of the design. It has a number of problems, such as an error occurs in the operation, but the resistor of the present invention is independently separated, so that the line width can be widened, so that the overheating is reduced compared to the conventional resistance to reduce the malfunction due to the variation of the resistance value. do.
본 발명 에어컨 팬 모터용 저항기는 종래 저항기의 구성과 유사하나 저항체의 수의 증가에 따라서 절연재의 수량이 증가하게 된다. 그러나 적층을 하게 되므로, 저항체의 면적은 감소하게 되며, 그에 따라 방열판(13)과 커버부재(14) 및 절연재를 적층한 저항기 전체의 크기가 감소하게 되고, 중량도 감소하고, 재료비도 감소되어 원가도 절감된다.The air conditioner fan motor resistor of the present invention is similar to the structure of a conventional resistor, but the number of insulating materials increases as the number of resistors increases. However, since the stacking is performed, the area of the resistor is reduced, thereby reducing the size of the resistor in which the heat sink 13, the cover member 14, and the insulating material are stacked, reducing the weight, and reducing the material cost. Is also saved.
이상 설명한 바와같이 본 발명은 방열판의 외측에서 내측 저항체(R3)출력단과 방열판 하단부를 커버부재와 함께 볼트조립으로 접속하고, 온도퓨즈 일단자를 방열판 상단부에 접속함과 아울러 과열방지수단인 온도퓨즈 출력단을 커넥터부분에서 접속단자에 연결됨으로써 온도퓨즈를 구비한 저항기의 구조와 그 제조공정을 보다 간략화한 효과를 갖는다.아울러 본 발명은 저항체와 절연재 및 방열판을 결합함에 있어 커버부재로서 간단히 절곡/결합하므로서 그동안 용접, 볼트 체결에 따른 단점을 개선하여 조립성을 향상한 효과도 갖는다.As described above, the present invention connects the inner resistor R3 output end and the heat sink lower end together with the cover member on the outside of the heat sink by bolt assembly, and connects one end of the temperature fuse to the upper end of the heat sink, and the temperature fuse output end which is an overheat prevention means. By connecting to the connection terminal at the connector part, the structure of the resistor having a temperature fuse and the manufacturing process thereof can be simplified. In addition, the present invention is simply bent / combined as a cover member in the coupling of the resistor, the insulating material, and the heat sink. It also has the effect of improving the assembly by improving the shortcomings due to welding, bolting.
Claims (7)
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| US10/288,789 US6747543B2 (en) | 2002-04-02 | 2002-11-06 | Resistor for driving motor for air conditioner blower |
| CN02152726.1A CN1448963A (en) | 2002-04-02 | 2002-11-20 | Resistor for driving air-conditioner fan motor |
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| KR20180080428A (en) * | 2017-01-03 | 2018-07-12 | 동아하이테크 주식회사 | Resistor for controlling motor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04148501A (en) * | 1990-10-11 | 1992-05-21 | Nippondenso Co Ltd | Air flow controlling resistor for fan |
| US5218336A (en) * | 1990-11-26 | 1993-06-08 | Pacific Engineering Co., Ltd. | Resistor device for blower motor |
| KR940018880U (en) * | 1993-01-06 | 1994-08-16 | 권정현 | Binding structure of chair back and elbow rest |
| JPH10338018A (en) * | 1997-06-10 | 1998-12-22 | Denso Corp | Speed controlling resistor for vehicle blower |
| US6018288A (en) * | 1997-05-09 | 2000-01-25 | Indak Manufacturing Corp. | Flat resistors for automotive blower motor speed control or other service |
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2002
- 2002-06-07 KR KR10-2002-0032025A patent/KR100469016B1/en active IP Right Grant
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04148501A (en) * | 1990-10-11 | 1992-05-21 | Nippondenso Co Ltd | Air flow controlling resistor for fan |
| US5218336A (en) * | 1990-11-26 | 1993-06-08 | Pacific Engineering Co., Ltd. | Resistor device for blower motor |
| KR940018880U (en) * | 1993-01-06 | 1994-08-16 | 권정현 | Binding structure of chair back and elbow rest |
| US6018288A (en) * | 1997-05-09 | 2000-01-25 | Indak Manufacturing Corp. | Flat resistors for automotive blower motor speed control or other service |
| JPH10338018A (en) * | 1997-06-10 | 1998-12-22 | Denso Corp | Speed controlling resistor for vehicle blower |
Non-Patent Citations (1)
| Title |
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