KR102439262B1 - Dissimilar metal heating electrode plate for electric vehicle heater and manufacturing method thereof - Google Patents

Dissimilar metal heating electrode plate for electric vehicle heater and manufacturing method thereof Download PDF

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KR102439262B1
KR102439262B1 KR1020220000705A KR20220000705A KR102439262B1 KR 102439262 B1 KR102439262 B1 KR 102439262B1 KR 1020220000705 A KR1020220000705 A KR 1020220000705A KR 20220000705 A KR20220000705 A KR 20220000705A KR 102439262 B1 KR102439262 B1 KR 102439262B1
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South Korea
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terminal
plate
heating
coupling part
caulking
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KR1020220000705A
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Korean (ko)
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김형은
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김형은
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Priority to KR1020220000705A priority Critical patent/KR102439262B1/en
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Priority to PCT/KR2022/019460 priority patent/WO2023132484A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
    • B60H1/2225—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters arrangements of electric heaters for heating air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/03—Electrodes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/06—Heater elements structurally combined with coupling elements or holders
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
    • H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H2001/2268—Constructional features
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/022—Heaters specially adapted for heating gaseous material

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Heating (AREA)

Abstract

According to the present invention, a dissimilar metal heating electrode plate for an electric vehicle heater reinforces durability and reduces manufacturing cost since a heating plate made of an aluminum material and a terminal made of a copper material are coupled in a caulking structure. The heating electrode plate comprises the heating plate (10) made of the aluminum material and the terminal (20) made of the copper material.

Description

전기자동차 히터용 이종금속 발열전극판 및 그 제조방법{Dissimilar metal heating electrode plate for electric vehicle heater and manufacturing method thereof}Dissimilar metal heating electrode plate for electric vehicle heater and manufacturing method thereof

본 발명은 전기자동차 히터용 이종금속 발열전극판 및 그 제조방법에 관한 것으로서, 보다 상세하게는 구리 소재의 단자와, 알루미늄 소재의 발열판이 코킹 결합시 오버랩되어 견고한 결합력으로 결합되며, 제조단가가 절감되는 전기자동차 히터용 이종금속 발열전극판 및 그 제조방법에 관한 것이다.The present invention relates to a dissimilar metal heating electrode plate for an electric vehicle heater and a method for manufacturing the same, and more particularly, a copper terminal and a heating plate made of aluminum overlap when caulking and are combined with a strong bonding force, and the manufacturing cost is reduced It relates to a dissimilar metal heating electrode plate for an electric vehicle heater and a method for manufacturing the same.

자동차용 전열히터의 조립 구조는 복수개의 방열핀과, 복수개의 방열핀을 각각 감싸는 복수개의 방열핀 지지플레이트로 이루어지는 복수개의 방열부재와, 복수개의 방열부재 사이에 소정의 간격을 두고 배치되어 복수개의 관통홀을 갖는 절연성 가이드판과, 가이드판의 일측면에 배치되는 전극판과, 상기 가이드판의 측면두께보다 두꺼운 두께를 갖고, 일측면은 편평튜브의 일내측면에 접촉되고, 타측면은 상기 전극판의 일측면에 접촉되도록 상기 가이드판의 복수개의 관통홀에 각각 삽입되는 복수개의 정특성서미스터 소자 등으로 구성된다.The assembly structure of the electric heater for automobile includes a plurality of heat dissipation fins, a plurality of heat dissipation members comprising a plurality of heat dissipation fin support plates each surrounding the plurality of heat dissipation fins, and a plurality of heat dissipation members disposed with a predetermined interval between the heat dissipation members to form a plurality of through holes. an insulating guide plate having, an electrode plate disposed on one side of the guide plate, and having a thickness greater than the side thickness of the guide plate, one side of which is in contact with the inner side of the flat tube, and the other side is one of the electrode plate and a plurality of positive thermistor elements each inserted into a plurality of through-holes of the guide plate so as to be in contact with a side surface thereof.

종래에는 엔진의 냉각수를 히터 코어를 거쳐 엔진으로 복귀시키는 과정에서 블로어 유니트의 송풍팬에 의해 송풍되는 공기와 히터 코어를 거치는 냉각수를 열교환시켜, 송풍 공기를 온기상태로 자동차 실내로 토출시킴으로써 자동차 실내를 난방하였으나, 이러한 난방장치는 자동차 엔진 가동후 초기 난방의 효과를 기대할 수 없게되어, 자동차의 초기 난방을 위해, 온도상승에 따라 저항값이 증가하는 정온도특성을 갖는 정특성서미스터(Positive Temperature Coefficient : PTC ) 소자를 이용한 전열 히터 장치가 개발되어 사용되고 있다.Conventionally, in the process of returning the engine coolant to the engine through the heater core, heat exchanged between the air blown by the blower fan of the blower unit and the coolant passing through the heater core, and the blown air is discharged into the interior of the vehicle in a warm state to heat the interior of the vehicle. Although heating, such a heating device cannot expect the effect of initial heating after the automobile engine is operated. PTC) An electrothermal heater device using an element has been developed and used.

이와 관련된 종래기술로 한국등록특허 제10-1190101호(2012.10.05.)에는 자동차용 전열 히터 장치가 개시되었다.As a related art, Korean Patent No. 10-1190101 (October 5, 2012) discloses an electric heater device for automobiles.

상기 종래기술은, 도 1에 도시된 바와 같이, 자동차용 전열 히터 장치(100)는 복수개의 방열부재(110)와, 상기 방열부재(110)들의 사이에 구비되어 외부 전원 공급에 의해 발열되는 제 1 단자부(123)를 구비한 복수개의 발열부(120)와, 외부 커넥터(미도시 됨)와 전기적으로 연결하는 제 2 단자부(132)를 구비한 공통단자부(130)와, 상기 방열부재(110)의 일단에 구비됨과 아울러 상기 공통 단자부(130)를 삽입 고정하는 하우징(140)과, 상기 방열부재(110)의 타일단에 결합되는 엔드 홀더(140)로 구성됨으로써, 또한, 종래의 자동차용 전열 히터 장치는 하우징과 공통 단자판에 형성된 하나의 후크에 의해 결합되는 구조이므로, 하우징과 공통 단자판의 결합력을 강화시키는 것을 특징으로 한다.In the prior art, as shown in FIG. 1 , the electric heater device 100 for a vehicle includes a plurality of heat dissipating members 110 and a first heat dissipating member provided between the heat dissipating members 110 to generate heat by external power supply. A plurality of heat generating units 120 having a first terminal unit 123, a common terminal unit 130 having a second terminal unit 132 electrically connected to an external connector (not shown), and the heat dissipation member 110 ) provided at one end of the housing 140 for inserting and fixing the common terminal part 130, and the end holder 140 coupled to the tile end of the heat dissipation member 110, and also for conventional automobiles. Since the electric heater device has a structure coupled to the housing and a single hook formed on the common terminal board, it is characterized in that the coupling force between the housing and the common terminal board is strengthened.

다만, 상기한 종래기술은 외부 전원 공급에 의해 발열되는 제 1 단자부(123)의 구성이 단일 소재로 구성됨으로써, 소재 제조단가에 따라 발열 단자부의 가격이 좌우되고 그 제조단가도 높아지는 문제점이 있었다.However, in the prior art, since the configuration of the first terminal part 123 that generates heat by external power supply is made of a single material, the price of the heating terminal part depends on the manufacturing cost of the material, and there is a problem that the manufacturing cost increases.

본 발명은 상기와 같은 종래 기술의 문제점을 해결하기 위해 창작된 것으로 본 발명의 목적은 외부 전원이 공급되는 구리 소재의 단자가 알루미늄 소재의 발열판이 코킹 결합되어 구비됨으로써, 고가인 구리 사용을 최소화하여 제조단가가 절감되며, 단자부와 발열판의 결합시 서로 오버랩되도록 프레스로 압착하여 결합력이 강화된 전기자동차 히터용 이종금속 발열전극판 및 그 제조방법을 제공함에 있다.The present invention was created to solve the problems of the prior art as described above, and an object of the present invention is to minimize the use of expensive copper by caulking a copper terminal to which an external power is supplied and a heating plate made of an aluminum material to be caulked. An object of the present invention is to provide a dissimilar metal heating electrode plate for an electric vehicle heater, in which the manufacturing cost is reduced, and the bonding strength is strengthened by pressing with a press to overlap each other when the terminal part and the heating plate are combined, and a method for manufacturing the same.

상기한 목적을 달성하기 위한 본 발명에 의한 전기자동차 히터용 이종금속 발열전극판은 전기자동차 히터에 결합되어 발열토록 외부 전원과 연결되는 발열전극판으로서, 알루미늄 소재의 발열판과, 상기 발열판에 결합되어 전방으로 연장된 구리소재의 단자로 이루어지며,The dissimilar metal heating electrode plate for an electric vehicle heater according to the present invention for achieving the above object is a heating electrode plate that is coupled to an electric vehicle heater and connected to an external power source to generate heat, and a heating plate made of aluminum and coupled to the heating plate It consists of a terminal made of copper material extending forward,

상기 발열판의 일측부에는 상기 단자와 결합되도록 폭이 내측으로 좁아지게 형성된 단자결합부가 구비되고, 상기 단자에는 상기 단자결합부의 폭 둘레를 감싸며 양측부가 상부에서 하부로 코킹되어 상기 단자결합부의 상부에 결합된 판결합부가 구비된 것을 특징으로 한다.One side of the heating plate is provided with a terminal coupling portion formed to be narrowly in width to be coupled to the terminal, and the terminal has both sides wrapped around the width of the terminal coupling portion and caulked from the top to the bottom to be coupled to the upper portion of the terminal coupling portion It is characterized in that it is provided with a judgment agreement.

상기 판결합부의 중앙 일측에는 상하로 관통된 한 쌍의 결합공이 구비되고, 상기 단자결합부에는 중앙 일측이 상기 결합공에 요입되록 하부로 압착되어 결합된 코킹단이 구비되며, 상기 판결합부의 양측단부에는 상기 코킹단의 상부에 밀착되며 결합되도록 하부로 압착된 상부마감단이 구비된 것을 특징으로 한다.A pair of coupling holes penetrating up and down is provided at one central side of the judgment coupling part, and the terminal coupling part is provided with a caulking end that is pressed and coupled to the bottom so that one central side is recessed into the coupling hole, both sides of the judgment coupling part It is characterized in that the end is provided with an upper closing end pressed downward so as to be in close contact with the upper portion of the caulking end and to be coupled thereto.

상기 발열판에는 상기 단자가 하부방향으로 정해진 각도로 경사지게 연장되도록 상기 단자결합부의 일측부에서 후방 상부방향으로 만곡지게 절곡되며 연장된 절곡부와, 상기 절곡부의 단부에서 후방으로 연장된 발열부가 구비된 것을 특징으로 한다.The heating plate is provided with a bent portion that is bent and extended from one side of the terminal coupling portion to the rear upward direction so that the terminal extends obliquely at a predetermined angle in the lower direction, and a heating portion that extends rearwardly from the end of the bent portion characterized.

상기 단자의 전방 단부에는 내면에 외부 전원과 연결되는 연결공이 형성되도록 후방으로 절곡된 외부전원결합부가 구비된 것을 특징으로 한다.It is characterized in that the front end of the terminal is provided with an external power coupling portion bent backward so that a connection hole for connecting to the external power source is formed on the inner surface.

본 발명에 따른 전기자동차 히터용 이종금속 발열전극판 제조방법은 전기자동차 히터에 결합되어 발열토록 외부 전원과 연결되는 이종금속 발열전극판 제조방법으로서, 제1프레스금형의 좌측부에서 우측부로 알루미늄판이 인입되고, 제2프레스금형의 전방에서 후방으로 구리판이 인입되는 인입공정과; 상기 인입공정에서 인입된 상기 알루미늄판의 전후방과 구리판의 좌우측부에 이송공을 타공하고, 상기 알루미늄판의 전방부와 상기 구리판의 외형이 형성되도록 타발하는 타발공정과; 상기 타발공정에서 외형이 형성된 상기 알루미늄판의 전방부에 절곡부와 단자결합부를 성형하고, 상기 구리판에 판결합부와 외부전원결합부의 외형을 성형하는 정밀타발공정과; 상기 정밀타발공정에서 외형이 성형된 상기 판결합부의 중앙상면이 상기 단자결합부의 코킹단을 배치되도록 상기 제1프레스금형에 인입시킨 후 상부마감단을 내측으로 절곡하며 압착하는 코킹공정와; 상기 코킹공정에서 일체로 성형된 상기 구리판의 외측부를 절개하고, 상기 알루미늄판의 발열부가 성형되도록 타발하여 분리시키는 완성공정;으로 이루어진 것을 특징으로 한다.The method for manufacturing a dissimilar metal heating electrode plate for an electric vehicle heater according to the present invention is a method for manufacturing a dissimilar metal heating electrode plate that is coupled to an electric vehicle heater and connected to an external power source to generate heat. and a drawing process in which the copper plate is drawn in from the front to the rear of the second press mold; a punching process of punching a transfer hole in the front and rear sides of the aluminum plate and the left and right sides of the copper plate introduced in the pulling process, and punching so that the front part of the aluminum plate and the outer shape of the copper plate are formed; a precision punching process of forming a bent part and a terminal coupling part on the front part of the aluminum plate having an external shape formed in the punching process, and forming an external shape of a judgment part and an external power coupling part on the copper plate; a caulking process of inserting the central upper surface of the decision joint, the outer shape of which is formed in the precision punching process, into the first press mold to arrange the caulking end of the terminal coupling part, then bending the upper finished end inward and pressing; and a completion process of cutting the outer part of the copper plate integrally formed in the caulking process, and punching and separating the heating part of the aluminum plate to be molded.

상기 정밀타발공정은 상기 단자결합부의 코킹단이 성형될 위치에 1차로 가압하여 외곽라인을 성형하는 코킹마킹공정과, 상기 구리판에 성형된 판결합부의 양측부를 상부로 절곡하고, 외부전원결합부의 전방단부를 상부로 절곡한 후 연결공이 형성되도록 후방으로 2차 절곡하는 결합부성형공정이 구비된 것을 특징으로 한다.The precision punching process includes a caulking marking process of forming an outline line by first pressing at a position where the caulking end of the terminal coupling part is to be molded, and bending both sides of the judgment joint formed on the copper plate to the upper side, and the front of the external power coupling part It is characterized in that the coupling part forming process of bending the end part upward and then bending the second part backward to form a connection hole is provided.

상기 완성공정에는 상기 발열부의 전방과 후방을 절개하는 발열부절개공정과, 상기 발열부의 중앙을 절개하여 분리시키는 발열판분리공정이 구비된 것을 특징으로 한다.The completion process is characterized in that the heating part incision process for cutting the front and rear of the heating part, and a heating plate separation process for separating by cutting the center of the heating part is provided.

이와 같이 본 발명에 의한 전기자동차 히터용 이종금속 발열전극 및 그 제조방법은 다음과 같은 효과가 있다.As described above, the dissimilar metal heating electrode for an electric vehicle heater and a method for manufacturing the same according to the present invention have the following effects.

첫째, 이종금속인 알루미늄과 구리 소재로 구성된 발열판과 단자가 서로 이탈이 방지되도록 단자결합부의 폭 둘레를 판결합부가 감싸며 결합됨으로써, 전방과 후방으로의 이탈이 방지되고,First, the heating plate and the terminal made of dissimilar metals aluminum and copper are wrapped around the width of the terminal coupling part so that the terminals are prevented from leaving each other, thereby preventing separation from the front and the rear;

둘째, 상기 판결합부에 구비된 결합공에 단자결합부의 코킹단이 요입되고, 상기 코킹단 상면에 판결합부(21)의 상부마감단이 밀착되어 결합됨으로써, 단자와 발열판의 결합이 견고해지며,Second, the caulking end of the terminal coupling part is recessed into the coupling hole provided in the judgment coupling part, and the upper closing end of the judgment coupling part 21 is closely coupled to the upper surface of the caulking end, so that the connection between the terminal and the heating plate becomes firm,

셋째, 상기 단자의 전방 단부 내면에 외부 전원과 연결되는 연결공이 형성되도록 외부전원결합부가 절곡되어 구비됨으로써, 외부전원결합부의 제조와 외부 전원선이나 전원연결구의 결합이 용이해지고,Third, the external power coupling part is bent so that a connection hole connected to the external power source is formed on the inner surface of the front end of the terminal, so that the manufacture of the external power coupling part and the coupling of the external power line or power connector are easy,

넷째, 알루미늄판과 구리판을 동시에 인입시킨 후 외형을 성형하고 결합시켜 제조함으로써, 단순 알루미늄판을 이용한 전극판보다 제조단가가 낮아져 경제성이 높아지는 효과가 있다.Fourth, by inserting an aluminum plate and a copper plate at the same time and then forming and combining the outer shape, manufacturing cost is lower than that of an electrode plate using a simple aluminum plate, thereby increasing economic efficiency.

도 1은 종래기술에 따른 자동차용 전열 히터 장치를 설명하는 도면이고,
도 2는 본 발명에 따른 전기자동차 히터용 이종금속 발열전극판을 설명하는 도면이며,
도 3은 본 발명에 따른 발열전극판의 결합부를 설명하는 단면도이고
도 4는 본 발명에 따른 발열전극판의 측면도이고,
도 5는 본 발명에 따른 전기자동차 히터용 이종금속 발열전극판의 제조방법을 설명하는 도면이며,
도 6은 본 발명에 따른 이종금속 발열전극판의 제조방법에 사용된 프레스금형의 도면이고,
도 7은 본 발명에 따른 이종금속 발열전극판을 구성하는 공정별 형상을 나타낸 도면이다.1 is a view for explaining an electric heater device for a vehicle according to the prior art,
2 is a view for explaining a dissimilar metal heating electrode plate for an electric vehicle heater according to the present invention,
3 is a cross-sectional view illustrating a coupling part of a heating electrode plate according to the present invention;
4 is a side view of a heating electrode plate according to the present invention;
5 is a view for explaining a method of manufacturing a dissimilar metal heating electrode plate for an electric vehicle heater according to the present invention,
6 is a view of a press mold used in the method for manufacturing a dissimilar metal heating electrode plate according to the present invention;
7 is a view showing the shape of each process constituting the dissimilar metal heating electrode plate according to the present invention.

이하, 첨부된 도면을 참조하여 본 발명의 일 실시예를 상세히 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

본 발명에 따른 전기자동차 히터용 이종금속 발열전극판은, 도 2 내지 도 7에 도시된 바와같이, 전기자동차 히터에 결합되어 발열토록 외부 전원과 연결되는 발열전극판으로서, 알루미늄 소재의 발열판(10)과, 상기 발열판(10)에 결합되어 전방으로 연장된 구리소재의 단자(20)로 이루어지며,As shown in FIGS. 2 to 7, the dissimilar metal heating electrode plate for an electric vehicle heater according to the present invention is a heating electrode plate coupled to an electric vehicle heater and connected to an external power source to generate heat, and an aluminum heating plate (10). ) and a terminal 20 of copper material coupled to the heating plate 10 and extending forward,

상기 발열판(10)의 일측부에는 상기 단자(20)와 결합되도록 폭이 내측으로 좁아지게 형성된 단자결합부(11)가 구비되고, 상기 단자(20)에는 상기 단자결합부(11)의 폭 둘레를 감싸며 양측부가 상부에서 하부로 코킹되어 상기 단자결합부(11)의 상부에 결합된 판결합부(21)가 구비된다.One side of the heating plate 10 is provided with a terminal coupling portion 11 formed to be narrowed in width so as to be coupled to the terminal 20 , and the terminal 20 has a circumference of the terminal coupling portion 11 . A decision combination portion 21 is provided that wraps around and both sides are caulked from the top to the bottom and coupled to the upper portion of the terminal coupling portion 11 .

여기서, 상기 단자결합부(11)는 외측 단부에 상기 판결합부(21)가 전방으로 이탈되는 것을 방지하는 단턱(t)이 구비되게 된다.Here, the terminal coupling part 11 is provided with a step t at the outer end to prevent the decision matching part 21 from being separated in the front.

그리고, 상기 판결합부(21)의 중앙 일측에는 상하로 관통된 한 쌍의 결합공(21a)이 구비되고, 상기 단자결합부(11)에는 중앙 일측이 상기 결합공(21a)에 요입되록 하부로 압착되어 결합된 코킹단(11a)이 구비되며, 상기 판결합부(21)의 양측단부에는 상기 코킹단(11a)의 상부에 밀착되며 결합되도록 하부로 압착된 상부마감단(21b)이 구비됨으로써, 발열판(10)과 단자(20)의 결합은 견고하게 이루어짐으로써, 종래의 발열판과 단자간의 결합보다 전도도가 향상되게 된다.In addition, a pair of coupling holes 21a penetrating up and down are provided on one central side of the decision matching part 21, and the terminal coupling part 11 has one central side recessed into the coupling hole 21a. A caulking end (11a) that is compressed and coupled is provided, and both ends of the decision joint portion (21) are provided with an upper closing end (21b) pressed downward so as to be in close contact with and coupled to the upper portion of the caulking end (11a). Since the coupling between the heating plate 10 and the terminal 20 is made solid, conductivity is improved compared to the conventional coupling between the heating plate and the terminal.

본 발명의 다른 실시예에 따른 발열전극판은 단자결합부(11)에 결합공이 통공되고, 상기 단자결합부(11)의 상하면에서 밀착되는 상기 판결합부(21)의 일부소재가 상기 단자결합부(11)의 상하부면에서 상기 결합공에 오버랩(인입되어)되어 결합됨으로써, 그 결합을 견고하게 유지할 수 있게 제작된다.In the heating electrode plate according to another embodiment of the present invention, a coupling hole is formed in the terminal coupling part 11, and a part of the material of the judgment coupling part 21 that is in close contact with the upper and lower surfaces of the terminal coupling part 11 is the terminal coupling part. By overlapping (introduced) and coupled to the coupling hole in the upper and lower surfaces of (11), it is manufactured to firmly maintain the coupling.

한편, 상기 발열판(10)에는 상기 단자(20)가 하부방향으로 정해진 각도로 경사지게 연장되도록 상기 단자결합부(11)의 일측부에서 후방 상부방향으로 만곡지게 절곡되며 연장된 절곡부(12)와, 상기 절곡부(12)의 단부에서 후방으로 연장된 발열부(13)가 구비된다. 여기서, 상기 절곡부(12)는 만곡진 형상으로 구비됨으로써, 초기 접촉저항이 1mΩ이하로 유지하여 제조할 수 있게 된다.On the other hand, the heating plate 10 has a bent portion 12 that is bent and extended in the rear and upper direction from one side of the terminal coupling portion 11 so that the terminal 20 extends obliquely at a predetermined angle in the lower direction; , a heating part 13 extending backward from the end of the bent part 12 is provided. Here, the bent portion 12 is provided in a curved shape, so that the initial contact resistance can be maintained at 1 mΩ or less to be manufactured.

상기 단자(20)의 전방 단부에는 내면에 외부 전원과 연결되는 연결공(22a)이 형성되도록 후방으로 절곡된 외부전원결합부(22)가 구비됨으로써, 외부단자와 결합이 용이해지게 된다.The front end of the terminal 20 is provided with an external power coupling part 22 bent rearward so that a connection hole 22a connected to an external power source is formed on the inner surface, thereby facilitating coupling with the external terminal.

한편, 본 발명에 따른 전기자동차 히터용 이종금속 발열전극판 제조방법은, 도 5 내지 도 7에 도시된 바와 같이, 전기자동차 히터에 결합되어 발열토록 외부 전원과 연결되는 이종금속 발열전극판 제조방법으로서, 제1프레스금형(A)의 좌측부에서 우측부로 알루미늄판(P1)이 인입되고, 제2프레스금형(B)의 전방에서 후방으로 구리판(P2)이 인입되는 인입공정(S10)과; 상기 인입공정(S10)에서 인입된 상기 알루미늄판(P1)의 전후방과 구리판(P2)의 좌우측부에 이송공을 타공하고, 상기 알루미늄판(P1)의 전방부와 상기 구리판(P2)의 외형이 형성되도록 타발하는 타발공정(S20)과; 상기 타발공정(S20)에서 외형이 형성된 상기 알루미늄판(P1)의 전방부에 절곡부(12)와 단자결합부(11)를 성형하고, 상기 구리판(P2)에 판결합부(21)와 외부전원결합부(22)의 외형을 성형하는 정밀타발공정(S30)과; 상기 정밀타발공정(S30)에서 외형이 성형된 상기 판결합부(21)의 중앙상면이 상기 단자결합부(11)의 코킹단(11a)을 배치되도록 상기 제1프레스금형(A)에 인입시킨 후 상부마감단(21b)을 내측으로 절곡하며 압착하는 코킹공정(S40)와; 상기 코킹공정(S40)에서 일체로 성형된 상기 구리판(P2)의 외측부를 절개하고, 상기 알루미늄판(P1)의 발열부(13)가 성형되도록 절개하여 분리시키는 완성공정(S50);으로 이루어진다.On the other hand, the method of manufacturing a dissimilar metal heating electrode plate for an electric vehicle heater according to the present invention, as shown in Figs. As, an aluminum plate (P1) is drawn in from the left part to the right part of the first press mold (A), and a copper plate (P2) is drawn in from the front to the rear of the second press mold (B) (S10); Transport holes are punched in the front and rear sides of the aluminum plate P1 and the left and right sides of the copper plate P2 drawn in in the drawing process (S10), and the front part of the aluminum plate P1 and the outer shape of the copper plate P2 are A punching process (S20) of punching to be formed; In the punching process (S20), a bent part 12 and a terminal coupling part 11 are formed in the front part of the aluminum plate P1 having an external shape, and a judgment part 21 and an external power supply are formed in the copper plate P2. A precision punching process (S30) of forming the outer shape of the coupling part 22 and; After inserting the caulking end 11a of the terminal coupling part 11 into the first press mold (A) so that the central upper surface of the judgment matching part 21, the outer shape of which is formed in the precision punching process (S30), is disposed. a caulking process (S40) of bending and compressing the upper finishing end (21b) inward; A completion process (S50) of cutting the outer part of the copper plate (P2) integrally formed in the caulking process (S40) and cutting and separating the heat generating part (13) of the aluminum plate (P1) to be molded (S50).

여기서, 상기 정밀타발공정(S30)은 상기 단자결합부(11)의 코킹단(11a)이 성형될 위치에 1차로 가압하여 외곽라인을 성형하는 코킹마킹공정(S31)과, 상기 구리판(P2)에 성형된 판결합부(21)의 양측부를 상부로 절곡하고, 외부전원결합부(22)의 전방단부를 상부로 절곡한 후 연결공(22a)이 형성되도록 후방으로 2차 절곡하는 결합부성형공정(S32)이 구비된다.Here, the precision punching process (S30) is a caulking marking process (S31) of forming an outline line by first pressing the caulking end (11a) of the terminal coupling part (11) at a position to be molded, and the copper plate (P2) A coupling part forming process in which both sides of the judgment coupling part 21 formed in (S32) is provided.

그리고, 상기 완성공정(S50)에는 상기 발열부(13)의 전방과 후방을 절개하는 발열부절개공정(S51)과, 상기 발열부(13)의 중앙을 절개하여 분리시키는 발열판분리공정(S52)이 구비됨으로써, 프레스금형에서 안정적으로 토출되며 제작될 수 있게 된다.And, in the completion process (S50), the heating part cutting process (S51) for cutting the front and rear of the heating part 13, and the heating plate separation process for separating by cutting the center of the heating part 13 (S52) By being provided, it is possible to be stably discharged from the press mold and manufactured.

상기와 같은 구성으로 이루어진 본 발명에 따른 전기자동차 히터용 이종금속 발열전극 및 그 제조방법의 작용을 살펴보면 아래와 같다.The operation of the dissimilar metal heating electrode for an electric vehicle heater according to the present invention configured as described above and a method for manufacturing the same will be described as follows.

본 발명에 따른 전기자동차 히터용 이종금속 발열전극판은, 도 2 내지 도 7에 도시된 바와같이, 알루미늄판(P1)과, 구리판(P2)이 제1프레스금형(A)와 제2프레스금형(B)로 인입되어 단자결합부(11)와 판결합부(21)의 외형이 타발된 후 압착과 절곡 및 절개되어 완성되게 된다.Dissimilar metal heating electrode plate for electric vehicle heater according to the present invention, as shown in Figs. After being drawn into (B), the outer shape of the terminal coupling part 11 and the decision matching part 21 is punched out, and then compressed, bent, and cut to complete.

이때, 상기 단자결합부(11)와 판결합부(21)은 결합공(21a)에 단자결합부(11)의 일부소재가 오버랩되어(요입되어) 압착결합됨으로써, 발열판(10)과 단자(20)의 결합이 견고하게 구성되어, 내구성이 향상되게 된다.At this time, the terminal coupling part 11 and the decision coupling part 21 are crimp-coupled by overlapping (recessing) some material of the terminal coupling part 11 in the coupling hole 21a, and thereby the heating plate 10 and the terminal 20 ) is configured to be solidly coupled, and durability is improved.

그리고, 상기 단자결합부(11)에 형성된 단턱(t)은 상기 단자(20)가 외부로 이탈되는 것을 방지함으로써, 강한 외력에 가해지더라도 쉽게 결합이 분리되는 것을 방지할 수 있게 된다.And, the step t formed in the terminal coupling part 11 prevents the terminal 20 from being separated to the outside, thereby preventing the coupling from being easily separated even when a strong external force is applied.

한편, 상기 단자(20)에 구성된 외부전원결합부(22)은 내면에 연결공(22a)이 형성되도록 180도 절곡되어 구비됨으로써, 외부전원공급단자와 결합 수단을 제공함으로써, 전기자동차 히터의 조립이 용이해지게 된다.On the other hand, the external power coupling unit 22 configured in the terminal 20 is bent 180 degrees so that a connection hole 22a is formed on the inner surface, thereby providing an external power supply terminal and coupling means, thereby assembling the electric vehicle heater This will be facilitated

이와 같이, 본 발명에 따른 전기자동차 히터용 이종금속 발열전극판 및 그 제조방법은 이종금속인 알루미늄판과 구리판을 프레스로 동시에 가공하여 성형시킴으로써, 제조단가가 절감되어 우수한 경제성을 확보할 수 있게 된다.As described above, the dissimilar metal heating electrode plate for an electric vehicle heater and the method for manufacturing the same according to the present invention simultaneously process and mold the dissimilar metal aluminum plate and copper plate with a press, thereby reducing the manufacturing cost and securing excellent economic efficiency. .

본 발명은 상술한 특정의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 고안이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.The present invention is not limited to the specific preferred embodiments described above, and without departing from the gist of the present invention as claimed in the claims, anyone with ordinary skill in the art to which the invention pertains can implement various modifications Of course, such modifications are intended to be within the scope of the claims.

<도면의 주요부분에 대한 부호의 설명>
10 : 발열판 11 : 단자결합부
11a : 코킹단 12 : 절곡부
13 : 발열부 20 : 단자
21 : 판결합부 21a : 결합공
21b : 상부마감단 22 : 외부전원결합부
22a : 연결공
S10 : 인입공정 S20 : 타발공정
S30 : 정밀타발공정 S31 : 코킹마킹공정
S32 : 결합부성형공정 S40 : 코킹공정
S50 : 완성공정 S51 : 발열부절개공정
S52 : 발열판분리공정
A : 제1프레스금형 B : 제2프레스금형
P1 : 알루미늄판 P2 : 구리판
t : 단턱<Explanation of symbols for main parts of the drawing>
10: heating plate 11: terminal coupling part
11a: caulking end 12: bent part
13: heating part 20: terminal
21: judgment acceptance 21a: joiner
21b: upper end 22: external power coupling part
22a: connector
S10: drawing process S20: punching process
S30: precision punching process S31: caulking marking process
S32: bonding part forming process S40: caulking process
S50: Completion process S51: Heating part incision process
S52: heating plate separation process
A: 1st press mold B: 2nd press mold
P1: Aluminum plate P2: Copper plate
t: step

Claims (7)

전기자동차 히터에 결합되어 발열토록 외부 전원과 연결되는 발열전극판에 있어서,
알루미늄 소재의 발열판(10)과, 상기 발열판(10)의 전방단부에 결합된 구리소재의 단자(20)로 이루어지며,
상기 발열판(10)의 일측부에는 상기 단자(20)와 결합되도록 폭이 내측으로 요입된 단자결합부(11)와, 상기 단자결합부(11)는 외측 단부에 외측으로 확장된 단턱(t)이 구비되고,
상기 단자(20)에는 상기 단자결합부(11)의 둘레를 감싸며 양측부가 상기 단자결합부(11)의 상부에 코킹되어 결합된 판결합부(21)가 구비되고,
상기 판결합부(21)의 중앙 일측에는 상하로 관통된 한 쌍의 결합공(21a)이 구비되고, 상기 단자결합부(11)에는 중앙 일측이 상기 결합공(21a)에 요입되록 하부로 압착되어 결합된 코킹단(11a)이 구비되며, 상기 판결합부(21)의 양측단부에는 상기 코킹단(11a)의 상부에 밀착되며 결합되도록 하부로 압착된 상부마감단(21b)이 구비되며,
상기 발열판(10)에는 상기 단자(20)가 하부방향으로 정해진 각도로 경사지게 연장되도록 상기 단자결합부(11)의 일측부에서 후방 상부방향으로 만곡지게 절곡되며 연장된 절곡부(12)와, 상기 절곡부(12)의 단부에서 후방으로 연장된 발열부(13)가 구비되고,
상기 단자(20)의 전방 단부에는 내면에 외부 전원과 연결되는 연결공(22a)이 형성되도록 후방으로 절곡된 외부전원결합부(22)가 구비된 것을 특징으로 하는 전기자동차 히터용 이종금속 발열전극판.In the heating electrode plate coupled to the electric vehicle heater and connected to an external power source to generate heat,
Consists of a heating plate 10 made of an aluminum material, and a terminal 20 made of a copper material coupled to the front end of the heating plate 10,
One side of the heating plate 10 has a terminal coupling part 11 recessed in width so as to be coupled with the terminal 20, and the terminal coupling part 11 has a step t extending outwardly to the outer end. is provided,
The terminal 20 is provided with a judgment combination portion 21 that surrounds the periphery of the terminal coupling portion 11, and both sides are caulked and coupled to the upper portion of the terminal coupling portion 11,
A pair of coupling holes 21a penetrating up and down are provided on one central side of the judgment coupling part 21, and the terminal coupling part 11 is compressed downward so that one central side is recessed into the coupling hole 21a. A combined caulking end (11a) is provided, and both ends of the judgment combining portion (21) are provided with an upper closing end (21b) pressed down to be coupled in close contact with the upper portion of the caulking end (11a),
The heating plate 10 includes a bent portion 12 that is bent and extended in a rearward upward direction from one side of the terminal coupling portion 11 so that the terminal 20 extends obliquely at a predetermined angle in the downward direction; A heating part 13 extending backward from the end of the bent part 12 is provided,
Dissimilar metal heating electrode for electric vehicle heater, characterized in that the front end of the terminal (20) is provided with an external power coupling part (22) bent rearward so that a connection hole (22a) connected to an external power source is formed on the inner surface. board. 삭제delete 삭제delete 삭제delete 전기자동차 히터에 결합되어 발열토록 외부 전원과 연결되는 이종금속 발열전극판 제조방법에 있어서,
제1프레스금형(A)의 좌측부에서 우측부로 알루미늄판(P1)이 인입되고, 제2프레스금형(B)의 전방에서 후방으로 구리판(P2)이 인입되는 인입공정(S10)과;
상기 인입공정(S10)에서 인입된 상기 알루미늄판(P1)의 전후방과 구리판(P2)의 좌우측부에 이송공을 타공하고, 상기 알루미늄판(P1)의 전방부와 상기 구리판(P2)의 외형이 형성되도록 타발하는 타발공정(S20)과;
상기 타발공정(S20)에서 외형이 형성된 상기 알루미늄판(P1)의 전방부에 절곡부(12)와 단자결합부(11)를 성형하고, 상기 구리판(P2)에 판결합부(21)와 외부전원결합부(22)의 외형을 성형하는 정밀타발공정(S30)과;
상기 정밀타발공정(S30)에서 외형이 성형된 상기 판결합부(21)의 중앙상면이 상기 단자결합부(11)의 코킹단(11a)을 배치되도록 상기 제1프레스금형(A)에 인입시킨 후 상부마감단(21b)을 내측으로 절곡하며 압착하는 코킹공정(S40)와;
상기 코킹공정(S40)에서 일체로 성형된 상기 구리판(P2)의 외측부를 절개하고, 상기 알루미늄판(P1)의 발열부(13)가 성형되도록 타발하여 분리시키는 완성공정(S50);으로 이루어지고,
상기 정밀타발공정(S30)은 상기 단자결합부(11)의 코킹단(11a)이 성형될 위치에 1차로 가압하여 외곽라인을 성형하는 코킹마킹공정(S31)과, 상기 구리판(P2)에 성형된 판결합부(21)의 양측부를 상부로 절곡하고, 외부전원결합부(22)의 전방단부를 상부로 절곡한 후 연결공(22a)이 형성되도록 후방으로 2차 절곡하는 결합부성형공정(S32)이 구비되며,
상기 완성공정(S50)에는 상기 발열부(13)의 전방과 후방을 절개하는 발열부절개공정(S51)과, 상기 발열부(13)의 중앙을 절개하여 분리시키는 발열판분리공정(S52)이 구비된 것을 특징으로 하는 전기자동차 히터용 이종금속 발열전극판 제조방법.In the method for manufacturing a dissimilar metal heating electrode plate coupled to an electric vehicle heater and connected to an external power source to generate heat,
A drawing process (S10) in which the aluminum plate (P1) is drawn in from the left side to the right side of the first press mold (A), and the copper plate (P2) is drawn in from the front to the rear of the second press mold (B);
Transport holes are punched in the front and rear sides of the aluminum plate P1 and the left and right sides of the copper plate P2 drawn in in the drawing process (S10), and the front part of the aluminum plate P1 and the outer shape of the copper plate P2 are A punching process (S20) of punching to be formed;
In the punching process (S20), a bent part 12 and a terminal coupling part 11 are formed in the front part of the aluminum plate P1 having an external shape, and a judgment part 21 and an external power supply are formed in the copper plate P2. A precision punching process (S30) of forming the outer shape of the coupling part 22 and;
After inserting the caulking end 11a of the terminal coupling part 11 into the first press mold (A) so that the central upper surface of the judgment matching part 21, the outer shape of which is formed in the precision punching process (S30), is disposed. a caulking process (S40) of bending and compressing the upper finishing end (21b) inward;
Completion process (S50) of cutting the outer part of the copper plate (P2) integrally formed in the caulking process (S40) and punching and separating the heating part 13 of the aluminum plate (P1) to be molded; and ,
The precision punching process (S30) includes a caulking marking process (S31) of forming an outline by pressing the caulking end (11a) of the terminal coupling part (11) at a position to be molded first, and forming on the copper plate (P2). A coupling part forming process (S32) of bending both sides of the finished decision matching part 21 to the top, bending the front end of the external power coupling part 22 to the top, and then bending the second rearward so that the connection hole 22a is formed (S32) ) is provided,
The completion process (S50) includes a heating part cutting process (S51) for cutting the front and back of the heating part (13), and a heating plate separation process (S52) for cutting and separating the center of the heating part (13). Dissimilar metal heating electrode plate manufacturing method for electric vehicle heater, characterized in that 삭제delete 삭제delete
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