KR100750874B1 - Manufacturing method for planar resistance heating element - Google Patents

Manufacturing method for planar resistance heating element Download PDF

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KR100750874B1
KR100750874B1 KR1020060074227A KR20060074227A KR100750874B1 KR 100750874 B1 KR100750874 B1 KR 100750874B1 KR 1020060074227 A KR1020060074227 A KR 1020060074227A KR 20060074227 A KR20060074227 A KR 20060074227A KR 100750874 B1 KR100750874 B1 KR 100750874B1
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heating element
planar heating
yarn
conductive ink
chamber
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KR20070034429A (en
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김훈
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김훈
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/20Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H05B3/342Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles
    • H05B3/347Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles woven fabrics
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/10Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/014Heaters using resistive wires or cables not provided for in H05B3/54
    • H05B2203/015Heater wherein the heating element is interwoven with the textile
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017Manufacturing methods or apparatus for heaters

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  • Textile Engineering (AREA)
  • Surface Heating Bodies (AREA)

Abstract

본 발명은 면상발열체 제조방법에 관한 것으로서, 보다 상세하게는 폴리에스테르사를 도전성잉크에 침지하고 히팅챔버에서 가열한 후 냉각챔버에서 냉각하여 코팅사를 획득하는 잉크코팅공정; 상기 코팅사를 횡사로 직조하되, 횡 방향 양측 선단에 편조선을 종방향으로 함께 직조하여 면상발열체를 획득하는 직조공정; 상기 면상발열체를 한 쌍이 연접하여 회전하는 롤러 사이를 통과시켜 두께의 균일성과 평단화를 부여하는 압착공정; 상기 압착된 면상발열체의 양면에 PVC 필름을 코팅하는 피복공정;을 포함하여 이루어지는 면상발열체 제조방법으로, 본 발명에 의하면 면상발열체의 전 면적에서 전기에 대한 균일한 저항값을 나타낼 수 있고, 또한 내열성이 우수한 면상발열체를 수득할 수 있다.The present invention relates to a planar heating element manufacturing method, and more particularly, an ink coating step of obtaining a coated yarn by immersing a polyester yarn in a conductive ink and heating in a heating chamber and then cooling in a cooling chamber; A weaving process of weaving the coated yarn in a transverse yarn, and weaving the braided lines together in the longitudinal direction at both ends of the transverse direction to obtain a planar heating element; A pressing step of passing the planar heating element between the rollers in which the pair is connected and rotated to provide uniformity and flattening of the thickness; A method of manufacturing a planar heating element comprising a coating step of coating a PVC film on both sides of the compressed planar heating element, according to the present invention can exhibit a uniform resistance to electricity in the entire area of the planar heating element, and also heat resistance This excellent planar heating element can be obtained.

Description

면상발열체 제조방법{MANUFACTURING METHOD FOR PLANAR RESISTANCE HEATING ELEMENT}MANUFACTURING METHOD FOR PLANAR RESISTANCE HEATING ELEMENT}

도 1은 본 발명의 실시예에 따른 면상발열체의 제조공정을 보인 블록도.1 is a block diagram showing a manufacturing process of the planar heating element according to an embodiment of the present invention.

도 2는 본 발명의 실시예에 따른 잉크코팅공정을 개략적으로 보인 공정 순서도.2 is a process flowchart schematically showing an ink coating process according to an embodiment of the present invention.

도 3은 본 발명의 실시예에 따른 직조공정에 의해 획득된 면상발열체의 평면도.3 is a plan view of the planar heating element obtained by the weaving process according to the embodiment of the present invention.

도 4는 본 발명의 실시예에 따른 압착공정을 개략적으로 보인 공정도.Figure 4 is a process diagram schematically showing a crimping process according to an embodiment of the present invention.

도 5는 본 발명의 실시예에 따른 피복공정에 의해 획득된 면상발열체의 단면도.5 is a cross-sectional view of the planar heating element obtained by the coating process according to the embodiment of the present invention.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

3 : 코팅사 4 : 편조선3: coated yarn 4: braided wire

10 : 잉크코팅공정 12 : 잉크챔버10: ink coating process 12: ink chamber

13 : 히팅챔버 14 : 냉각챔버13: heating chamber 14: cooling chamber

20 : 직조공정 21 : 면상발열체20: weaving process 21: planar heating element

30 : 압착공정 31, 32 : 롤러30: pressing process 31, 32: roller

40 : 피복공정 41, 42 : PVC코팅층40: coating process 41, 42: PVC coating layer

본 발명은 합성섬유사의 표면에 도전성잉크를 코팅하여 코팅사를 획득하는 잉크코팅공정; 상기 코팅사를 편조선과 함께 직조하여 면상발열체를 획득하는 직조공정; 상기 면상발열체에 대한 두께의 균일성과 평단화를 부여하는 압착공정; 및 상기 압착된 면상발열체의 양면에 PVC 필름을 코팅하는 피복공정;을 포함하여 이루어지는 면상발열체 제조방법에 관한 것이다.The present invention is an ink coating process for obtaining a coating yarn by coating a conductive ink on the surface of the synthetic fiber yarn; A weaving process of weaving the coated yarn together with the braided wire to obtain a planar heating element; A pressing step of providing uniformity and flattening of the thickness of the planar heating element; It relates to a planar heating element manufacturing method comprising a; coating step of coating a PVC film on both sides of the compressed planar heating element.

일반적으로 면상발열체는 여러 가지 제조공정으로 제조되고 있으며, 일 예로써 평판형태의 페트(PET)재 표면에 도전성잉크를 인쇄시키고 일측 양단에 전도성 금속을 부착하거나 전도성 금속사를 혼입 코팅하여 상기 전도성 금속에 전기를 가함으로써 도전성 물질의 저항으로 발열되게 하는 구성을 취하고 있다.In general, the planar heating element is manufactured by various manufacturing processes, for example, by printing a conductive ink on the surface of the flat PET (PET) material and attaching the conductive metal to both ends or mixed coating of the conductive metal yarn to the conductive metal By applying electricity to the heat sink, the heat is generated by the resistance of the conductive material.

그러나 일반적인 면상발열체는, 면상발열체 전체 면적에 대해 도전성 잉크가 균일하게 분포되어 있지 않아서 균일한 전기 저항값을 나태내지 않고 있으며, 이는 부분적인 수명 차이로 인해 내구성이 저하되는 문제점이 있을 뿐만 아니라, 발열 가능한 온도가 제한이 있어서 그 활용 범위가 매우 좁은 문제점을 가지고 있다.However, in general planar heating element, since the conductive ink is not uniformly distributed over the entire area of the planar heating element, it does not exhibit a uniform electric resistance value, which not only has a problem of deterioration in durability due to partial life difference, but also generates heat. The possible temperature is limited, so the range of application is very narrow.

물론, 고온(200℃ 이상)에서 사용할 수 있는 면상발열체가 소개된 바 있으나, 이들은 일반적인 도전성잉크 외에 내열성이 높은 물질을 혼입하는 방법을 취하고 있기 때문에 제조코스트가 높고, 더욱이 하나의 제조설비에서 다양한 온도 범위에서 사용할 수 있는 면상발열체를 생산할 수 없는 문제점이 있었다.Of course, the planar heating element that can be used at high temperatures (200 ℃ or more) has been introduced, but since they adopt a method of incorporating a material having high heat resistance in addition to the general conductive ink, the manufacturing cost is high, and in addition, various temperatures in one manufacturing facility There was a problem that can not produce a planar heating element that can be used in the range.

또한, 면상발열체에서 발생하는 전자파는 면상발열체와 별도로 전자파를 차단할 수 있는 장치를 설치해야 하므로 제품이 고가일 수밖에 없는 단점이 있다.In addition, since the electromagnetic wave generated from the planar heating element must be installed separately from the planar heating element, the product can be expensive.

이에 따라, 본 발명은 상기와 같은 문제점을 해결하기 위해 창안된 것으로서, 본 발명의 목적은 면상발열체의 전체 면적에 대해 균일한 두께와 균일한 전기저항값을 가지도록 하여 내구적 수명을 연장시킬 수 있으면서도 특별한 첨가제 없이 간단한 제조방법으로 고온에서 사용이 가능하면서도 전자파 발생을 억제할 수 있는 면상발열체 및 그 제조방법을 제공하는데 있다.Accordingly, the present invention has been made to solve the above problems, the object of the present invention is to have a uniform thickness and uniform electrical resistance value for the entire area of the planar heating element to extend the endurance life. The present invention provides a planar heating element and a method of manufacturing the same, which can be used at a high temperature with a simple manufacturing method without special additives and can suppress electromagnetic wave generation.

또한, 본 발명은 면상발열체의 제조 조건을 가변시킴으로써 하나의 제조설비에서 면상발열체의 사용 가능한 온도 범위를 적의 조절할 수 있게 할 수 있는 면상발열체의 제조방법을 제공하는데 또 다른 목적이 있다.In addition, the present invention has another object to provide a method for producing a planar heating element that can be adjusted to suitably control the usable temperature range of the planar heating element in one manufacturing facility by varying the manufacturing conditions of the planar heating element.

상기 목적을 달성하기 위한 본 발명은, 면상발열체의 제조공정을 보인 도 1에서와 같이 합성섬유사, 바람직하게는 폴리에스테르사를 도전성잉크에 침지하고, 이를 100℃ 내지 500℃ 범위, 바람직하게는 300℃의 히팅챔버에서 가열한 후 송풍기가 장착된 냉각챔버에서 냉각하여 코팅사를 획득하는 잉크코팅공정(10), 상기 코팅사를 종사와 횡사로 직조하되 횡 방향 양선단에 니켈주사합금으로 된 편조선을 종방향으로 함께 직조하여 면상발열체를 획득하는 직조공정(20), 상기 면상발열체를 한 쌍이 연접하여 회전하는 롤러 사이에 통과시켜 면상발열체의 두께 균일성과 평단화를 부여하는 압착공정(30), 및 상기 압착된 면상발열체의 양면에 PVC 필름을 코팅하는 피복공정(40)을 포함하여 제조된다.In order to achieve the above object, the present invention, as shown in Figure 1 showing the manufacturing process of the planar heating element, immersed synthetic fiber yarn, preferably polyester yarn in the conductive ink, it is in the range of 100 ℃ to 500 ℃, preferably An ink coating process (10) for obtaining a coated yarn by heating in a cooling chamber equipped with a blower after heating in a heating chamber at 300 ° C., weaving the coated yarn in crosswise and crosswise directions, but using nickel injection alloys at both ends of the transverse direction. Weaving process 20 for weaving the braided wires together in the longitudinal direction to obtain a planar heating element, and a pressing process for passing the planar heating element between the rollers in which the pair is connected to each other to rotate, thereby giving thickness uniformity and flattening of the planar heating element (30). ), And a coating process 40 for coating a PVC film on both sides of the compressed planar heating element.

이때 상기 잉크코팅공정(10) 전 공정으로, 폴리에스테르사를 감마선 가교 조사 처리를 하는 것이 바람직하다. At this time, it is preferable to perform a gamma ray crosslinking irradiation treatment of the polyester yarn in the process before the ink coating step (10).

감마선 조사 처리 기술은 강력한 투과력을 지닌 방사선으로 온도 상승 없이 고분자 물질의 화학적 결합 구조를 변화시켜 보다 안정한 구조로 전환시키거나 원하는 물성으로 개질할 수 있는 특성이 있는 것으로 알려져 있으며, 이러한 감마선 가교 조사된 폴리에스테르사는 내열성이 향상되어서 면상발열체에 적용시 고온에서 연소되지 않는 물성을 갖게 된다.Gamma-irradiation treatment technology is known to have the ability to change the chemical bonding structure of the polymer material to a more stable structure or to modify it to desired physical properties without increasing the temperature as a radiation having strong penetrating power. The ester yarn has improved heat resistance and thus has properties that do not combust at high temperatures when applied to a planar heating element.

이하, 도 2 내지 도 5를 통하여 상기 각 공정의 바람직한 실시예를 보다 구체적으로 설명한다.Hereinafter, preferred embodiments of the above processes will be described in more detail with reference to FIGS. 2 to 5.

도 2는 본 발명의 실시예에 따른 잉크코팅공정을 개략적으로 보인 공정 순서도로서, 면상발열체를 이루는 합성섬유사는, 전술한 바와 같이 감마선 가교 조사되어 내열성이 향상된 폴리에스테르사(1)를 취하면 바람직하고, 폴리에스테르사(1)의 외면에 도전성잉크(2)를 코팅하는 공정 순서는 도 2에 도시하였다.Figure 2 is a process flow chart schematically showing the ink coating process according to an embodiment of the present invention, the synthetic fiber yarn forming a planar heating element, as described above it is preferable to take a polyester yarn (1) by gamma-ray crosslinked irradiation improved heat resistance In addition, a process sequence of coating the conductive ink 2 on the outer surface of the polyester yarn 1 is shown in FIG. 2.

도 2에서와 같이 원사롤(11)로부터 인출되는 폴리에스테르사(1)는 먼저 감마선 가교 조사 처리(미도시) 후 도전성잉크(2)가 담겨진 잉크챔버(12)를 통과하게 된다.As shown in FIG. 2, the polyester yarn 1 withdrawn from the yarn roll 11 first passes through an ink chamber 12 containing a conductive ink 2 after gamma ray crosslinking irradiation treatment (not shown).

잉크챔버(12)에 수용된 도전성잉크(2)는 도전성이 우수한 카본잉크이거나, 그와 동일한 종류의 것이면 제한이 없고, 상기 도전성잉크(2)에는 소량의 경화제가 첨가 되거나 경화제와 함께 희석제가 첨가된다.The conductive ink 2 contained in the ink chamber 12 is not limited as long as it is a carbon ink having excellent conductivity or the same kind thereof, and a small amount of a curing agent is added to the conductive ink 2 or a diluent is added together with the curing agent. .

도전성잉크(2)와 경화제가 혼합될 경우에는 100:4 중량비로 혼합하고 희석제를 더 혼합시킬 경우에는 도전성잉크, 경화제, 희석제를 순서대로 100:4:10의 중량비로 혼합시키는 것이 바람직하다.When the conductive ink 2 and the curing agent are mixed, it is preferable to mix in a weight ratio of 100: 4, and when further mixing the diluent, the conductive ink, the curing agent, and the diluent are preferably mixed in a weight ratio of 100: 4: 10.

경화제 및/또는 희석제가 혼입된 도전성잉크(2)는 길이(L)가 대략 40㎝ 내지 60㎝ 정도의 잉크챔버(12)에 수용되며, 여기에 폴리에스테르사(1)를 침지시켜서 통과시키는데, 이때 폴리에스테르사(1)의 이송 속도는 폴리에스테르사(1)를 원사롤(11)로부터 인출하는 모터(미도시)의 회전속도가 1 내지 2rpm의 범위로 하는 것이 바람직하다.The conductive ink 2 in which the curing agent and / or diluent is mixed is accommodated in the ink chamber 12 having a length L of about 40 cm to 60 cm, and is immersed therein to pass through the polyester yarn 1, At this time, it is preferable that the feed speed of the polyester yarn 1 is in the range of 1 to 2 rpm for the rotational speed of a motor (not shown) for pulling out the polyester yarn 1 from the yarn roll 11.

폴리에스테르사(1)의 이동속도가 상기 범위의 속도보다 느리면 폴리에스테르사(1)에 도전성잉크(2)가 과하게 코팅되고, 반대로 속도가 빠르면 폴리에스테르사(1)로의 도전성잉크(2) 침투량이 적기 때문에 이러한 조건으로 제조된 면상발열체는 발열성이 좋지 않기 때문이다.If the moving speed of the polyester yarn (1) is slower than the speed in the above range, the conductive ink (2) is excessively coated on the polyester yarn (1), on the contrary, if the speed is high, the penetration amount of the conductive ink (2) into the polyester yarn (1) This is because the planar heating element manufactured under such conditions is poor in heat generation because of the small amount.

이하, 설명의 편의상 도전성잉크(2)가 도포된 폴리에스테르사(1)를 코팅사(3)라 칭하기로 한다.Hereinafter, for convenience of description, the polyester yarn 1 coated with the conductive ink 2 will be referred to as a coated yarn 3.

전술한 바와 같이 잉크챔버(12)를 통과하여 수득된 코팅사(3)는 히터(13a)가 장착된 히팅챔버(13)를 통과하게 된다.As described above, the coated yarn 3 obtained by passing through the ink chamber 12 passes through the heating chamber 13 in which the heater 13a is mounted.

상기 히팅챔버(13)의 내부 온도의 범위는 100℃ 내지 500℃ 범위로 하여 폴리에스테르사(1)의 표면에 점착된 도전성잉크(2)를 가열시키는데, 본 발명의 목적에서와 같이 내열성을 가진 면상발열체를 제조하기 위해서 히팅챔버(13)의 내부 온도는 300℃ 이상을 유지시키고, 히팅챔버(13)에서의 코팅사(3) 체류 시간은 15초 내지 20초가 되도록 히팅챔버(13)의 길이를 설계한다.The internal temperature of the heating chamber 13 is in the range of 100 ° C to 500 ° C to heat the conductive ink 2 adhered to the surface of the polyester yarn 1, having heat resistance as in the object of the present invention. In order to manufacture the planar heating element, the internal temperature of the heating chamber 13 is maintained at 300 ° C. or more, and the length of the heating chamber 13 is maintained so that the residence time of the coated yarn 3 in the heating chamber 13 is 15 seconds to 20 seconds. Design it.

히팅챔버(13)를 통과한 코팅사(3)는 팬(14a)이 장착된 냉각챔버(14)를 통과하면서 히팅챔버(13)에서 가열된 도전성잉크(2)가 경화되는데, 상기 냉각챔버(14)의 온도는 상온이거나 10℃ 내지 30℃ 정도를 유지시킨다.The coating yarn 3 passing through the heating chamber 13 passes through the cooling chamber 14 in which the fan 14a is mounted, and the conductive ink 2 heated in the heating chamber 13 is cured. The temperature of 14 is maintained at room temperature or about 10 ° C to 30 ° C.

이와 같은 과정을 거치면 폴리에스테르사(1) 표면에 도전성잉크(2)가 코팅된 코팅사(3)를 수득할 수 있게 되며, 예를 들어 히팅챔버(13) 내의 온도가 300℃인 상태에서 코팅사(3)가 제조되었다면, 그 코팅사(3)는 300℃ 이하에서 사용이 가능한 내열성을 갖게 된다.Through this process, the coating yarn 3 coated with the conductive ink 2 on the surface of the polyester yarn 1 can be obtained, for example, the coating is performed in a state in which the temperature in the heating chamber 13 is 300 ° C. If the yarn 3 is manufactured, the coated yarn 3 has heat resistance that can be used at 300 ° C or lower.

따라서 히팅챔버(13)의 온도 조건을 적절히 조정함으로써 내열성이 서로 다른 면상발열체를 제조할 수 있게 되며, 이는 곧 면상발열체의 사용 목적과 용도에 따라서 적절한 조건으로 생산을 하여 과잉 생산을 통해 상승하는 제조코스트를 방지할 수 있게 된다. Therefore, by appropriately adjusting the temperature conditions of the heating chamber 13, it is possible to produce a planar heating element having different heat resistance, which is produced by the production under the appropriate conditions according to the purpose and purpose of use of the planar heating element to rise through overproduction The cost can be prevented.

전술한 바와 같이 냉각챔버(14)를 통과한 코팅사(3)는 권취롤(15)에 감겨져서 다음 공정인 직조공정(20)에 투입된다.As described above, the coated yarn 3 that has passed through the cooling chamber 14 is wound around the take-up roll 15 and then introduced into the weaving step 20, which is the next step.

직조공정(20)은 일반적인 직조기를 사용하면 무방하므로, 이에 대한 구체적인 설명은 생략하기로 하며, 도 3은 본 발명의 실시예에 따른 직조공정에 의해 얻어진 면상발열체의 평면도를 나타낸다.Since the weaving process 20 may use a general weaving machine, a detailed description thereof will be omitted, and FIG. 3 shows a plan view of the planar heating element obtained by the weaving process according to the embodiment of the present invention.

도 3을 참조한 면상발열체(21)는 폴리에스테르사(1)와 코팅사(3)가 위사(횡방향)과 경사(종방향)으로 직조된 것으로, 즉 도 3의 확대도와 같이 경사는 폴리에스테르사(1)를 사용한 것이고, 위사(횡방향)는 폴리에스테르사(1)와 코팅사(3)를 1:1로 교번하여 직조한 것이다. 3 is a planar heating element 21, the polyester yarn 1 and the coated yarn 3 is woven in the weft (lateral direction) and inclined (longitudinal), that is, the inclined polyester as shown in FIG. The yarn 1 is used, and the weft yarn (the transverse direction) is a weaving of 1: 1 alternating between the polyester yarn 1 and the coated yarn 3.

그리고, 면상발열체(21)의 횡방향 양측 선단에는 편조선(4)이 종방향으로 직조된 형태로 되어 있으며, 예컨대 도 3의 확대도에 의하면, 횡방향의 코팅사(3) 및 폴리에스테르사(1)와 종방향의 폴리에스테르사(1)는 상호 밀접시키는 형태로 되어 있고, 횡방향의 코팅사(3)와 편조선(4)은 상호 교접시키는 형태로 직조되어 있다.The braided wire 4 is woven in the longitudinal direction at both transverse ends of the planar heating element 21. For example, according to the enlarged view of FIG. 3, the coated yarn 3 and the polyester yarn in the transverse direction are formed. (1) and the polyester yarn 1 of the longitudinal direction are mutually in close contact, and the lateral | coated yarn 3 and the braided wire 4 are woven in the form which mutually interlocks.

편조선(4)은 니켈주사합금으로 이루어진 실을 약 7가닥 꼬아서 만든 것으로, 면상발열체(21)의 일측 및 타측 편조선(4)은 각각 종방향의 코팅사(3)와 함께 교번하여 약 10가닥을 직조하는 것이 바람직하지만, 직조 형태는 도시된 예로만 한정되는 것은 아니고, 다양한 형태를 취할 수 있을 뿐만 아니라, 면상발열체(21)가 고열에서 사용되지 않는 것이라면 횡방향의 코팅사(3)와 폴리에스테르사(1)를 2:1의 비율로 교번하여 직조하는 것도 가능하다.The braided wire 4 is made by twisting a thread made of nickel injection alloy, and one side and the other braided wire 4 of the planar heating element 21 alternate with the coated yarn 3 in the longitudinal direction, respectively. It is preferable to weave 10 strands, but the weaving form is not limited to the illustrated example, but may take various forms, and the planar heating yarn 3 may be used if the planar heating element 21 is not used at high temperature. And polyester yarn (1) can also be alternately woven in a ratio of 2: 1.

이와 같이 제조된 면상발열체(21)는 일측 편조선(4)에 양(+)전극이, 타측 편조선(4)에는 음(-)전극이 연결되어서, 양측 전극에 각각 전기를 통하게 하는 일반적인 형태를 보인다.In the planar heating element 21 manufactured as described above, a positive electrode is connected to one braided line 4 and a negative electrode is connected to the other braided line 4 so that both electrodes are electrically connected to each other. Seems.

도 4는 본 발명의 실시예에 따른 압착공정을 개략적으로 보인 공정도로서, 도 3과 같이 직조된 면상발열체(21)는 직조과정에서 우는 부분이 많기 때문에 이를 전체 면적에 대해 균일한 평면을 갖도록 하기 위하여 도 4에서와 같이 한 쌍이 연접하여 가압 회전되는 롤러(31)(32) 사이를 통과시키는 압착공정(30)을 수행하는 것이 바람직하다.4 is a process diagram schematically showing a pressing process according to an embodiment of the present invention, since the planar heating element 21 woven as shown in FIG. 3 has many crying parts during the weaving process so that it has a uniform plane with respect to the entire area. For this purpose, it is preferable to perform the pressing process 30 for passing the rollers 31 and 32 which are paired in series and pressurized and rotated as shown in FIG. 4.

상기 압착된 롤러(31)(32)를 통과한 면상발열체(21)는 소정부에서 우는 부분 을 고르게 펴고 분산하는 작용을 수행한다.The planar heating element 21 passed through the compressed rollers 31 and 32 serves to evenly spread and disperse the crying portion at a predetermined portion.

도 5는 본 발명의 실시예에 따른 피복공정에 의해 얻어진 PVC코팅층이 형성된 면상발열체의 단면도로서, 전술한 압착공정(30)을 거친 면상발열체(21)는 그 양측면에 각각 PVC 수지가 부착된 PVC코팅층(41)(42)을 형성하는데, 상기 PVC코팅층(41)(42)은 필름 형태의 것을 열압착시킨 형태로 제조되거나, 면상발열체(21)를 액상 PVC 수지에 침지시켜 건조한 형태로 제조되는 등 일반적인 방법을 취하면 무방하며, 또한 PVC 외에 이와 균등한 재질, 예컨대 PE, 모노륨 등 유연성을 가진 합성수지라면 특별히 제한이 없다.FIG. 5 is a cross-sectional view of a planar heating element having a PVC coating layer formed by a coating process according to an embodiment of the present invention, wherein the planar heating element 21 which has undergone the above-described pressing process 30 has PVC resins attached to both sides thereof, respectively. The coating layers 41 and 42 are formed, and the PVC coating layers 41 and 42 are manufactured in the form of a film by thermocompression bonding, or the planar heating element 21 is dried in a liquid PVC resin to be dried. The general method may be used, and in addition to PVC, there is no particular limitation as long as it is a synthetic resin having a flexible material such as PE and monolium.

또한, 도시된 바와 같이 일측 편조선(4)에는 (+)극을, 타측 편조선(4)에는 (-)극을 연결하여 전기를 가하면 전기저항으로 인해 면상발열체(21)에서 발열되므로 방한을 요구하는 곳에 사용될 수 있는데, 이때 면상발열체(21) 자체에서는 누설전류 등으로 인해 많은 양의 전자파가 방출되므로, 이를 제거하기 위해 다음과 같은 공정을 수행하는 것이 바람직하다.In addition, as shown in FIG. 4, the positive electrode is connected to one side of the braided line 4 and the negative electrode is connected to the other side of the braided line 4 to generate heat from the planar heating element 21 due to electrical resistance. Can be used where required, since the planar heating element 21 itself emits a large amount of electromagnetic waves due to leakage current, etc., it is preferable to perform the following process to remove this.

즉, 상기 어느 일측 PVC코팅층(41)의 표면에 0.01mm 내지 1mm의 범위 두께로 도전성잉크(2)를 도포하고, 도전성잉크(2) 상에 일정 간격으로 구리와 같은 전선(5)을 깐 다음, 상기 전선(5)의 선단은 (-)극이 연결된 편조선(4) 한가닥에 접지시킨 후, 그 위에 다시 PVC코팅층(43)을 형성한다.That is, the conductive ink 2 is applied to the surface of any one PVC coating layer 41 in the thickness range of 0.01mm to 1mm, and the wire 5 such as copper is coated on the conductive ink 2 at regular intervals. The front end of the wire 5 is grounded on one strand of the braided wire 4 to which the (-) pole is connected, and then the PVC coating layer 43 is formed thereon.

이와 같은 피복공정을 거치면 전선(5)으로 인해 면상발열체(21)에서 발생하는 전자파를 효과적으로 차단하게 되며, 히팅챔버의 설정온도에 따라 의복, 침구류, 장판, 산업기계 등 많은 분야에서 적절하게 사용될 수 있다.This coating process effectively blocks the electromagnetic waves generated from the planar heating element 21 due to the wire 5, and can be suitably used in many fields such as clothing, bedding, flooring, industrial machinery, etc. according to the set temperature of the heating chamber. Can be.

이상의 설명에서 알 수 있는 바와 같이, 본 발명의 제조방법에 의하여 수득된 면상발열체는 도전성잉크가 면상발열체의 전체 면적에 대해 균일한 두께와 양으로 분포되어 있기 때문에 전 면적에서 고른 온도로 발열이 가능하게 되고 나아가 내구성이 향상되는 이점이 있을 뿐만 아니라, 전자파 차단을 위해 면상발열체 외에 별도의 전자파 차단수단을 갖출 필요 없이 면상발열체 자체에서 전자파 발생을 억제하게 되므로 사용용도가 더욱 확대될 수 있는 이점이 있다.As can be seen from the above description, the planar heating element obtained by the manufacturing method of the present invention can generate heat at an even temperature over the entire area because the conductive ink is distributed in a uniform thickness and quantity with respect to the entire area of the planar heating element. In addition, there is an advantage that the durability can be improved, and furthermore, since the generation of electromagnetic waves is suppressed in the planar heating element itself without the need for a separate electromagnetic shielding means in addition to the planar heating element to block the electromagnetic wave, the usability can be further expanded. .

더욱이, 히팅챔버 내의 온도와 이송속도 등의 작업 조건의 변동이 용이하여 용도에 적절한 면상발열체를 제조할 수 있게 되고, 이는 곧 다양한 허용온도 범위를 갖는 면상발열체를 동일한 공정으로 생산이 가능하게 되어 생산성을 향상시키는 효과와 함께 사용 목적에 따라서 적절한 비용으로 제조할 수 있게 되므로 제조코스트가 낭비되는 것을 방지할 수 있게 된다.In addition, it is easy to change the working conditions such as the temperature and the transfer speed in the heating chamber, so that it is possible to manufacture a planar heating element suitable for the purpose, which can be produced in the same process to produce a planar heating element having various allowable temperature range It is possible to manufacture at an appropriate cost according to the purpose of use with the effect of improving the manufacturing cost can be prevented from being wasted.

Claims (8)

감마선 가교 조사된 폴리에스테르사가 도전성잉크가 수용된 잉크챔버를 통과하고 온도조절이 가능한 히팅챔버에서 가열된 후 냉각챔버에서 냉각되어 코팅사를 획득하는 잉크코팅공정과, 상기 코팅사를 폴리에스테르사와 함께 직조하되 횡 방향 양측 선단에는 각각 (+) 및 (-)전극이 연결되는 편조선이 종방향으로 위치하도록 직조하여 면상발열체를 획득하는 직조공정과, 상기 면상발열체를 한 쌍이 연접하여 가압 회전하는 롤러 사이를 통과시는 압착공정 및 상기 압착된 면상발열체의 양면에 유연성을 가진 합성수지 필름을 코팅하고 어느 일측 면에 도전성잉크를 도포하며 그 위에 소정 전선을 깐 후 다시 유연성을 가진 합성수지층을 형성시키되, 상기 전선은 (-)극이 연결된 편조선에 접지시키는 피복공정을 포함하여 이루어지는 면상발열체 제조방법.An ink coating process in which a gamma ray crosslinked polyester yarn passes through an ink chamber containing conductive ink and is heated in a temperature controllable heating chamber and then cooled in a cooling chamber to obtain a coated yarn, and the coated yarn is woven together with a polyester yarn. But weaving process to obtain a planar heating element by weaving so that the braided wire connecting the (+) and (-) electrodes in the longitudinal direction, respectively, in the transverse both ends, and a pair of the planar heating element in connection with the roller to press and rotate When passing through the coating process and the flexible resin film coated on both sides of the compressed planar heating element, and the conductive ink is applied to one side and the predetermined wire is laid on it to form a synthetic resin layer with flexibility again, the Manufacture of planar heating element, which includes a coating process in which the electric wire is grounded to the braided wire to which the (-) pole is connected. Law. 청구항 1에 있어서, The method according to claim 1, 상기 히팅챔버의 가열온도는 100℃ 내지 500℃의 범위이고, 히팅챔버 내의 체류시간은 15초 내지 20초인 것을 특징으로 하는 면상발열체 제조방법.The heating temperature of the heating chamber is in the range of 100 ℃ to 500 ℃, the residence time in the heating chamber is a planar heating element manufacturing method, characterized in that 15 seconds to 20 seconds. 청구항 1에 있어서, The method according to claim 1, 원사롤로부터 폴리에스테르사를 인출시키는 회전속도는 1 내지 2rpm의 범위이고, 상기 잉크챔버의 길이는 40㎝ 내지 60㎝인 것을 특징으로 하는 면상발열체 제조방법.The rotational speed for drawing the polyester yarn from the yarn roll is in the range of 1 to 2rpm, the length of the ink chamber is 40cm to 60cm characterized in that the planar heating element manufacturing method. 청구항 1에 있어서,The method according to claim 1, 상기 냉각챔버의 냉각온도는 상온 또는 10℃ 내지 30℃의 범위인 것을 특징으로 하는 면상발열체 제조방법.Cooling temperature of the cooling chamber is a planar heating element manufacturing method characterized in that the room temperature or 10 ℃ to 30 ℃ range. 청구항 1에 있어서,The method according to claim 1, 상기 도전성잉크에 경화제를 혼입하되, 도전성잉크와 경화제의 혼합비는 100:4중량비인 것을 특징으로 하는 면상발열체 제조방법.Incorporating a curing agent into the conductive ink, the mixing ratio of the conductive ink and the curing agent is a planar heating element, characterized in that the ratio of 100: 4 weight. 청구항 1에 있어서,The method according to claim 1, 상기 도전성잉크에 경화제 및 희석제를 혼입하되, 도전성잉크, 경화제, 희석제의 혼합비는 각각 100:4:10 중량비인 것을 특징으로 하는 면상발열체 제조방법.Incorporating a curing agent and a diluent in the conductive ink, wherein the mixing ratio of the conductive ink, the curing agent, and the diluent is 100: 4: 10 weight ratio, respectively. 청구항 1에 있어서, The method according to claim 1, 상기 코팅사는 폴리에스테르사와 교번하도록 직조되는 것을 특징으로 하는 면상발열체의 제조방법.The coated yarn is a method of producing a planar heating element, characterized in that weaving alternate with polyester yarn. 청구항 제 1 내지 제 7 항 중 어느 한 항에 따라 제조된 것을 특징으로 하는 면상발열체.The planar heating element, which is prepared according to any one of claims 1 to 7.
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KR20200045936A (en) * 2018-10-23 2020-05-06 주식회사 창민테크론 Assembled planar heating sheet
KR102229180B1 (en) * 2020-01-10 2021-03-17 주식회사 창민테크론 Covering member using planar heater

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KR102506166B1 (en) * 2020-08-18 2023-03-07 한국생산기술연구원 Apparatus and method for continuously manufacturing a planar heating element

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KR200367802Y1 (en) 2004-08-13 2004-11-17 주식회사 비케이티 Clothing with heater
KR200407508Y1 (en) 2005-11-07 2006-01-31 김상옥 Household goods for heat generation with high conductivity woven heating element using carbon nanotube

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KR200367802Y1 (en) 2004-08-13 2004-11-17 주식회사 비케이티 Clothing with heater
KR200407508Y1 (en) 2005-11-07 2006-01-31 김상옥 Household goods for heat generation with high conductivity woven heating element using carbon nanotube

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Publication number Priority date Publication date Assignee Title
KR20200045936A (en) * 2018-10-23 2020-05-06 주식회사 창민테크론 Assembled planar heating sheet
KR102160661B1 (en) * 2018-10-23 2020-09-28 주식회사 창민테크론 Assembled planar heating sheet
KR102229180B1 (en) * 2020-01-10 2021-03-17 주식회사 창민테크론 Covering member using planar heater

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