WO2018159882A1 - Heating structure - Google Patents

Heating structure Download PDF

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Publication number
WO2018159882A1
WO2018159882A1 PCT/KR2017/002305 KR2017002305W WO2018159882A1 WO 2018159882 A1 WO2018159882 A1 WO 2018159882A1 KR 2017002305 W KR2017002305 W KR 2017002305W WO 2018159882 A1 WO2018159882 A1 WO 2018159882A1
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WO
WIPO (PCT)
Prior art keywords
lamp
base material
heating
mixed
metal material
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PCT/KR2017/002305
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French (fr)
Korean (ko)
Inventor
고영석
Original Assignee
유신정밀공업 주식회사
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Application filed by 유신정밀공업 주식회사 filed Critical 유신정밀공업 주식회사
Priority to PCT/KR2017/002305 priority Critical patent/WO2018159882A1/en
Publication of WO2018159882A1 publication Critical patent/WO2018159882A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers

Definitions

  • the present invention relates to a heat generating structure, and more particularly to a heat generating structure to generate heat in the structure itself when applying power.
  • a vehicle lamp is mounted to both the left and right sides of the front or rear of the vehicle body so as to safely drive day and night, and to drive the road during the day or night or in rainy weather. Irradiate the light from the lamp toward the front to secure the view ahead.
  • Patent No. 10-0802668 discloses an automobile lamp.
  • the front lens 12 and the housing 11 are coupled to the closed end face 13, and the light bulb 14 is generated inside the closed end face 13.
  • the reflector 15 for dissipating light through the front lens 12 is fixedly installed, and the cartridge (at the closed end 13 between the housing 11 and the front lens 12 of the conventional automobile lamp 10 16) is installed to be retractable, so that the humidity in the closed surface 13 of the lamp 10 is lowered.
  • the user may replace the cartridge 16 with the closed end of the lamp 10 by using a new absorbent 17. 13) After drawing out to replace the absorbent 17, the cartridge 16 is installed on the closed end 13 of the lamp 10 again.
  • the conventional automotive lamp 10 having such a configuration is that the absorbent 17 absorbs moisture 20 generated inside the lamp 10, and the absorbent 17 has a predetermined value. If the moisture 20 is filled it must be replaced with a new absorbent 17. Therefore, the absorbent 17 has a hassle to be replaced every time the end of its life.
  • the lamp is heated without replacing components of the bulb 31, the reflector 32, the bezel 33, and the lens 34 by applying heat to the inside of the lamp 30.
  • the moisture generated on the inner surface of the lens 34 of the 30 can be suppressed, and the generated moisture can be removed, and the heating member 35 is mounted on the bezel 33 without changing the structure of the lamp 30.
  • a vehicle lamp is disclosed that can reduce the cost caused by the structural change in the lamp 30.
  • the heating member 35 is to be mounted on the bezel 33, and the heating member 35 may be detached from the bezel 33 due to the impact, thereby decreasing durability and a separate heating member ( The use of 35) caused a problem that the manufacturing cost of the lamp 30 increased.
  • the present invention was created to solve the above problems, and does not use a heating member such as a heating wire to improve the durability while generating heat from the structure itself when applying power to the phenomenon that the moisture generated in the lamp, etc.
  • the object is to provide a heating structure that can be prevented.
  • the present invention is used to manufacture a part of a vehicle that requires plastic injection, injection base material made of an injectionable polymer; A conducting material mixed with the injection base material and having a conductive material; And a metal material mixed with the injection base material and the energizing material and having a heat generating performance upon application of electricity.
  • the heat generating structure according to the present invention may be injected in the form of a resin through an extruder by mixing 50 to 80% by weight of the injection base material, 10 to 40% by weight of the energizing material and 10 to 40% by weight of the metal material.
  • Polybutylene terephthalate may be used as the injection molding base material, and carbon fiber and carbon black may be used as the energization material, and nickel may be used as the metal material. Nickel powder, copper, steel, aluminum, titanium selected from one or a mixture thereof may be used.
  • the present invention is used to manufacture the parts of the vehicle, the conductive material having a conductive material; And a metal material mixed with the current-carrying material and having a heat generating performance upon application of electricity.
  • carbon fiber and carbon black may be used as the energization material, and metal powder may be used as the metal material. 70 wt% and 30-50 wt% of the metal material may be mixed.
  • the heating structure according to the present invention can improve durability by not using a heating member such as a heating wire, and when the power is applied, the heat is generated by itself so that the application of the lamp to the plastic injection part of the vehicle can be easily It is possible to easily prevent the generation of moisture in the lamp by raising the temperature on the side of the board and the outboard, and can generate heat easily in the vehicle parts by applying electric power when applied to the vehicle parts requiring heat generation.
  • a heating member such as a heating wire
  • FIG. 1 is a front view showing a conventional lamp.
  • FIG. 2 is a cross-sectional view taken along the line AA ′ of FIG. 1.
  • FIG. 3 is a cross-sectional view of another conventional lamp.
  • FIG. 4 is a configuration diagram of a heating structure according to an embodiment of the present invention.
  • FIG. 5 is a view illustrating a bezel manufactured using the heating structure according to the present invention.
  • FIG. 6 is a graph illustrating a change in dry bulb temperature of a lamp to which a bezel is applied to a lamp to which a normal bezel is applied.
  • FIG. 7 is a graph illustrating a comparison of watering temperature changes of a lamp to which a bezel is applied to a lamp to which a bezel is applied.
  • FIG. 8 is a graph illustrating changes in relative humidity of a lamp to which a bezel is applied to a lamp to which a normal bezel is applied.
  • FIG. 9 is a configuration diagram of a heating structure according to another embodiment of the present invention.
  • FIG. 4 is a block diagram of a heating structure according to an embodiment of the present invention
  • Figure 5 is a view showing a bezel manufactured using the heating structure according to the present invention
  • Figure 6 is a bezel applied to the lamp shown in Figure 5
  • the normal Fig. 7 is a graph illustrating a change in dry bulb temperature of a lamp to which a bezel is applied
  • FIG. 7 is a graph comparing a dew point temperature change of a lamp to which a bezel is applied and a lamp to which a normal bezel is applied
  • FIG. This graph shows the relative humidity change of the lamp with the bezel applied to the lamp shown in Fig. 5 and the lamp with the normal bezel applied.
  • the heat generating structure according to the embodiment of the present invention is used to manufacture the parts of the vehicle requiring plastic injection, the injection base material 110, the conducting material 120, and a metal material ( 130).
  • the injection base material 110 is made of a polymer that can be injected, and the injection base material 110 is used as a main material when manufacturing parts of a vehicle requiring plastic injection, and the injection base material 110 ), Polybutylene terephthalate (polybutylene terephthalate: PBT) is preferably used.
  • the polybutylene terephthalene is a thermoplastic crystalline polymer (thermo-plastic), a type of polyester (polyester) resin, the deformation is small in the forming step, the material is strong, and has a heat resistance capacity up to 150 ° C. It has a flame retardant property that does not burn well, and is mainly used in products such as home appliances and automobile parts, and because of its soft texture, it is widely used in products using a touch such as toothbrush fibers or key gaps of a computer keyboard.
  • the manufactured vehicle parts have a soft texture while having flame retardant properties.
  • the injection base material 110 is mixed with a conducting material 120 having a conductive property, and the injection base material 110 is energized by mixing the conducting material 120 with the injection base material 110. If the conductive material 120 is not mixed with the injection base material 110, it is not energized.
  • carbon fiber or carbon powder is preferably used as the conductive material 120.
  • the carbon fiber is carbonized and crystallized by heat treating an organic fiber at an appropriate temperature in an inert gas, and is a fiber having excellent mechanical properties such as high strength and high rigidity made of graphite carbon.
  • the carbon fiber is widely used as a fiber for a composite material, especially a reinforcing fiber of a plastic material, taking advantage of its high strength and high modulus.
  • the injection base material 110 in which the energization material 120 is mixed is mixed with the metal material 130, and the mixing order is changed without being mixed in the order of the energization material 120 and the metal material 130. It does not matter.
  • the metal material 130 one selected from nickel powder, copper, steel, aluminum, and titanium, or a mixture thereof is preferably used.
  • the nickel powder is mixed, the heat generation performance is excellent, but there is a problem in that the manufacturing cost increases, and when copper is used, the manufacturing cost is lowered compared to the nickel powder, but the performance is deteriorated. As it occurs, it is preferable to select and use a metal material according to the manufacturing conditions of the heating structure according to the present invention.
  • the injection base material 110, the conducting material 120, and the metal material 130 are mixed and injected in a resin form through an extruder (not shown), thereby manufacturing parts of a vehicle.
  • 50 to 80% by weight of the injection base material 110 is preferably 10 to 40% by weight of the conductive material 120, 10 to 40% by weight of the metal material 130.
  • the injection base material 110 is 50 wt% or less, injection is difficult when manufacturing a vehicle product, and when the energization material 120 is 10 wt% or less, power is not applied to the manufactured vehicle product. If the weight is more than 40% by weight, a problem occurs in appearance of the manufactured vehicle.
  • the metal material 130 When the metal material 130 is mixed at 10 wt% or less, no heat is generated, and when the mixed metal material 130 is 40 wt% or more, injection does not occur well.
  • 6 to 8 illustrate the results of a moisture evaluation test with the bezel manufactured by using a general plastic after manufacturing the bezel 200 as a vehicle component using the heating structure 100 according to the present invention.
  • FIG. 6 there is shown a graph of dry bulb temperature change of a lamp to which a heating bezel made of a heating structure 100 according to the present invention and a lamp to which a general bezel made of ordinary plastic is applied, the heating structure 100. It was found that the dry bulb temperature measured by exposing the receiver's receiver to the air so as not to be exposed to the sun when the lamp was applied with the heating bezel manufactured by the heater was higher than the dry bulb temperature of the lamp applied with the general bezel made of ordinary plastic.
  • the spraying temperature of the heating bezel applied to the heating structure 100 is higher than that of the lamp applied to the general bezel made of ordinary plastic, and the sprinkling temperature is increased and the relative humidity is lowered.
  • the results of the moisture evaluation test with the general bezel manufactured by using a general plastic heating structure made of the heating structure 100 It can be seen that the lamp with the bezel has improved relative humidity condition than the lamp with the plastic.
  • the heat generating structure 300 is used to manufacture a vehicle structure requiring heat generation, and includes a conduction material 310 and a metal material 320.
  • the vehicle structure requiring heat generation is energized by including the energization material 310, and it is preferable that carbon fiber or carbon powder is used as the energization material 310.
  • the detailed description of the conductive material 310 has been described in the heating structure 100 according to an embodiment of the present invention, a detailed description thereof will be omitted.
  • the metal material 320 is mixed with the energizing material 310, the metal material 320 is included to generate heat when electric power is applied to the manufactured vehicle structure requiring heat.
  • the metal material 320 is preferably a metal powder (Metal Powder), but is not limited thereto.
  • Nickel powder used in the heating structure 100 according to an embodiment of the present invention is not a metal powder.
  • Copper, steel, aluminum, titanium, or a mixture thereof may be used, and it is preferable to select and use a metal material according to the production conditions.
  • the metal material is mixed with 50 to 70 wt% of the energizing material, and if the energizing material 310 is 50% or less, there is a problem that a part that is not locally energized may occur when power is applied. If the current carrying material 310 is 70% or more, the amount of the metal material to be mixed and the component ratio of the base material are lowered, resulting in a problem that the durability and heat generation performance of the product may decrease.
  • the metal material 320 When the metal material 320 is mixed with the conductive material 310 in an amount of 30% by weight or less, a problem may occur in that the heat generation performance may decrease or heat generation may be impossible, and the metal material 320 may be 50% by weight or more. When mixed with a relatively low component ratio of the base material and the conductive material may not be energized or the durability may be reduced.
  • the bezel 200 which is a vehicle component, may be manufactured using the heating structure 300 according to another exemplary embodiment of the present disclosure, but the present invention is not limited thereto and may be used to manufacture a vehicle component that requires heat generation.
  • the present invention can be used in a vehicle heating structure.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Provided is a heating structure, which is used for manufacturing automotive parts requiring plastic injection molding, the heating structure comprising: a base material for injection molding made of an injectable polymer; a conducting material mixed with the base material for injection molding and having conductivity; and a metal material mixed with the base material for injection molding and the conducting material, and having a heating function upon application of electric power. Accordingly, it is possible to improve durability by not using a heating member such as a hot wire and the heating structure can generate heat by itself when power is applied. As such, when the heating structure is applied to a lamp which is a plastic injection molded part of a vehicle, the temperature of inboard and outboard sides of the lamp can be easily raised to easily prevent moisture from being generated in the lamp.

Description

발열 구조물Heating structure
본 발명은 발열 구조물에 관한 것으로, 더욱 상세하게는 전력을 인가 시 구조물 자체에서 발열이 발생하도록 하는 발열 구조물에 관한 것이다.The present invention relates to a heat generating structure, and more particularly to a heat generating structure to generate heat in the structure itself when applying power.
대한민국 공개특허 제2014-0022605호에 기재된 배경기술을 참조하면, 일반적으로 차량용 램프는 주야간에 안전하게 주행할 수 있도록 차체의 전방 또는 후방의 좌/우 양측으로 장착되고, 주야간 도로를 주행하거나 우천시에 차량 전방의 시야 확보를 위해 램프로부터 나오는 빛을 전방을 향해 조사한다.Referring to the background art described in Korean Patent Laid-Open Publication No. 2014-0022605, generally, a vehicle lamp is mounted to both the left and right sides of the front or rear of the vehicle body so as to safely drive day and night, and to drive the road during the day or night or in rainy weather. Irradiate the light from the lamp toward the front to secure the view ahead.
이러한 램프는 양호한 시계확보를 위하여 습기 등이 램프의 렌즈 내측면에 응결되지 않은 깨끗한 상태를 유지하는 것이 바람직하다. 그러나, 램프의 내/외부에서 발생되는 온도차에 의하여 램프 내부의 온도가 이슬점 온도까지 떨어지면 도 1에 도시된 바와 같이, 램프의 렌즈 내측면에 공기중의 수분이 응결될 수 있다.It is desirable that such lamps be kept clean and free of moisture or the like on the lens inner surface of the lamp for good visibility. However, when the temperature inside the lamp drops to the dew point temperature due to a temperature difference generated inside / outside the lamp, as shown in FIG. 1, moisture in the air may condense on the inner surface of the lens of the lamp.
이와 같이 램프의 렌즈 내측면에 발생하는 습기를 제거하기 위해 특허등록공보 제10-0802668호에는 자동차용 램프가 개시되어 있다. 종래의 자동차용 램프는 도 2에 도시된 바와 같이, 전면렌즈(12)와 하우징(11)이 폐단면(13)으로 결합되고, 상기 폐단면(13)의 내부에는 전구(14)에서 발생된 빛을 전면렌즈(12)를 통해 발산시키는 반사체(15)가 고정되게 설치되며, 종래의 자동차용 램프(10)의 하우징(11)과 전면렌즈(12) 사이의 폐단면(13)에 카트리지(16)를 인입출 가능하게 설치하여, 상기 램프(10) 폐단면(13) 내의 습도가 낮아지도록 한다.As described above, in order to remove moisture generated on the inner surface of the lens of the lamp, Patent No. 10-0802668 discloses an automobile lamp. In the conventional automotive lamp, as shown in FIG. 2, the front lens 12 and the housing 11 are coupled to the closed end face 13, and the light bulb 14 is generated inside the closed end face 13. The reflector 15 for dissipating light through the front lens 12 is fixedly installed, and the cartridge (at the closed end 13 between the housing 11 and the front lens 12 of the conventional automobile lamp 10 16) is installed to be retractable, so that the humidity in the closed surface 13 of the lamp 10 is lowered.
그리고, 상기 카트리지(16)에는 흡수제(17)가 교체가능하게 설치되어 상기 흡수제(17)의 수명이 다한 경우에는 새로운 흡수제(17)를 사용자가 카트리지(16)를 램프(10)의 폐단면(13) 외부로 인출시켜 흡수제(17)를 교체한 후 다시 상기 카트리지(16)를 램프(10)의 폐단면(13)에 설치한다.In addition, when the absorbent 17 is replaceably installed in the cartridge 16, and the life of the absorbent 17 has expired, the user may replace the cartridge 16 with the closed end of the lamp 10 by using a new absorbent 17. 13) After drawing out to replace the absorbent 17, the cartridge 16 is installed on the closed end 13 of the lamp 10 again.
따라서, 상기 흡수제(17)가 설치된 상기 카트리지(16)에 의해 상기 램프(10)의 폐단면(13)에 발생되는 습기(20)를 제거한다.Therefore, the moisture 20 generated in the closed end surface 13 of the lamp 10 is removed by the cartridge 16 provided with the absorbent 17.
그러나, 이와 같은 구성으로 이루어진 종래의 자동차용 램프(10)는 상기 흡수제(17)가 상기 램프(10)의 내부에 발생된 습기(20)를 흡수하는 것으로서, 상기 흡수제(17)에 일정치의 습기(20)가 채워졌을 경우 새로운 흡수제(17)로 교체해줘야 한다. 따라서, 상기 흡수제(17)는 그 수명을 다했을 때마다 교체해주어야 하는 번거로움이 있었다.However, the conventional automotive lamp 10 having such a configuration is that the absorbent 17 absorbs moisture 20 generated inside the lamp 10, and the absorbent 17 has a predetermined value. If the moisture 20 is filled it must be replaced with a new absorbent 17. Therefore, the absorbent 17 has a hassle to be replaced every time the end of its life.
또한, 상기 흡수제(17)가 설치된 상기 카트리지(16)를 램프(10)의 내부에 설치하기 위해 램프(10) 내부의 구조 변경이 불가피하였다. 따라서, 상기 램프(10) 내부의 구조변경에 의한 비용도 상승하는 문제점이 있었다.In addition, in order to install the cartridge 16 provided with the absorbent 17 inside the lamp 10, it is inevitable to change the structure inside the lamp 10. Therefore, there is a problem that the cost due to the structural change inside the lamp 10 also increases.
상기와 같은 문제점을 해결하기 위하여 도 3에 도시된 바와 같이 램프(30)의 내부에 열을 가하여 구성품인 전구(31), 반사체(32), 베젤(33), 렌즈(34)의 교체없이 램프(30)의 렌즈(34) 내측면에 발생하는 습기를 억제하고, 발생된 습기를 제거할 수 있으며, 상기 램프(30) 내부의 구조변경 없이 베젤(33)에 발열부재(35)를 장착함으로써, 램프(30) 내부의 구조변경에 의한 비용 발생을 줄일 수 있는 차량용 램프가 개시되고 있다.In order to solve the above problems, as shown in FIG. 3, the lamp is heated without replacing components of the bulb 31, the reflector 32, the bezel 33, and the lens 34 by applying heat to the inside of the lamp 30. The moisture generated on the inner surface of the lens 34 of the 30 can be suppressed, and the generated moisture can be removed, and the heating member 35 is mounted on the bezel 33 without changing the structure of the lamp 30. In addition, a vehicle lamp is disclosed that can reduce the cost caused by the structural change in the lamp 30.
그러나, 베젤(33)에 발열부재(35)를 장착해야 함으로 인해 제조가 불편하고, 충격에 의해 발열부재(35)가 베젤(33)에서 탈착될 수 있어 내구성이 떨어지는 문제점 및 별도의 발열부재(35)가 사용됨으로써 램프(30)의 제조단가가 상승하는 문제점이 발생하였다.However, manufacturing is inconvenient because the heating member 35 is to be mounted on the bezel 33, and the heating member 35 may be detached from the bezel 33 due to the impact, thereby decreasing durability and a separate heating member ( The use of 35) caused a problem that the manufacturing cost of the lamp 30 increased.
본 발명은 상기와 같은 문제점을 해결하기 위하여 창출된 것으로서, 열선과 같은 발열부재를 이용하지 않지 않음으로 인해 내구성을 향상시키면서 전력을 인가 시 구조물 자체에서 발열이 발생하도록 하여 램프 등에 습기가 생기는 현상을 방지할 수 있는 발열 구조물을 제공하는데 그 목적이 있다.The present invention was created to solve the above problems, and does not use a heating member such as a heating wire to improve the durability while generating heat from the structure itself when applying power to the phenomenon that the moisture generated in the lamp, etc. The object is to provide a heating structure that can be prevented.
상기와 같은 목적을 달성하기 위하여, 본 발명은 플라스틱 사출이 필요한 차량의 부품을 제조하는데 사용되는 것으로서, 사출 가능한 폴리머로 이루어지는 사출용 베이스 재료; 상기 사출용 베이스 재료와 혼합되며 전도성질을 가지는 통전재료; 및 상기 사출용 베이스 재료 및 상기 통전재료와 혼합되며 전기 인가 시 발열 성능을 가지는 금속재료를 포함하는 발열 구조물을 제공한다.In order to achieve the above object, the present invention is used to manufacture a part of a vehicle that requires plastic injection, injection base material made of an injectionable polymer; A conducting material mixed with the injection base material and having a conductive material; And a metal material mixed with the injection base material and the energizing material and having a heat generating performance upon application of electricity.
본 발명에 따른 발열 구조물은 상기 사출용 베이스 재료 50~80 중량%와 상기 통전재료 10~40 중량% 및 상기 금속재료 10~40 중량%가 혼합되어 압출기를 통해 수지형태로 사출될 수 있다.The heat generating structure according to the present invention may be injected in the form of a resin through an extruder by mixing 50 to 80% by weight of the injection base material, 10 to 40% by weight of the energizing material and 10 to 40% by weight of the metal material.
상기 사출물 베이스 재료로는 폴리부틸렌테레프탈렌(polybutyleneterephthalate : PBT)이 사용될 수 있고, 상기 통전재료로는 탄소 섬유(Carbon Fiber)와 탄소 분말(Carbon Black)이 사용될 수 있으며, 상기 금속재료로는 니켈 파우더(Nickle Powder), 구리, 스틸, 알루미늄, 티타늄 중 선택된 하나이거나 이들의 혼합물이 사용될 수 있다.Polybutylene terephthalate (PBT) may be used as the injection molding base material, and carbon fiber and carbon black may be used as the energization material, and nickel may be used as the metal material. Nickel powder, copper, steel, aluminum, titanium selected from one or a mixture thereof may be used.
또한, 본 발명은 차량의 부품을 제조하는데 사용되는 것으로서, 전도성질을 가지는 통전재료; 및 상기 통전재료와 혼합되며 전기 인가 시 발열성능을 가지는 금속재료를 포함하는 발열 구조물을 제공한다.In addition, the present invention is used to manufacture the parts of the vehicle, the conductive material having a conductive material; And a metal material mixed with the current-carrying material and having a heat generating performance upon application of electricity.
상기 발열 구조물에 있어서, 상기 통전재료로는 탄소 섬유(Carbon Fiber)와 탄소 분말(Carbon Black)이 사용될 수 있고, 상기 금속재료로는 메탈 파우더(Metal Powder)가 사용될 수 있으며, 상기 통전재료 50~70 중량%와 상기 금속재료 30~50 중량%가 혼합될 수 있다.In the heat generating structure, carbon fiber and carbon black may be used as the energization material, and metal powder may be used as the metal material. 70 wt% and 30-50 wt% of the metal material may be mixed.
본 발명에 따른 발열 구조물은 열선 등과 같은 발열부재를 사용하지 않음으로 인해 내구력을 향상시킬 수 있고, 전력이 인가 시 자체적으로 발열이 이루어지도록 하여 차량의 플라스틱 사출 부품인 램프에 적용 시 간편하게 램프의 인보드와 아웃보드측의 온도를 상승시켜 램프 내에 습기가 생성되는 것을 간편하게 방지할 수 있고, 발열이 필요한 차량용 부품에 적용 시에는 전력을 인가함으로써 간편하게 차량용 부품에 발열을 발생시킬 수 있다.The heating structure according to the present invention can improve durability by not using a heating member such as a heating wire, and when the power is applied, the heat is generated by itself so that the application of the lamp to the plastic injection part of the vehicle can be easily It is possible to easily prevent the generation of moisture in the lamp by raising the temperature on the side of the board and the outboard, and can generate heat easily in the vehicle parts by applying electric power when applied to the vehicle parts requiring heat generation.
도 1은 종래의 램프를 나타낸 정면도이다.1 is a front view showing a conventional lamp.
도 2는 도 1에 도시된 A-A'를 따라 절단한 단면도이다.FIG. 2 is a cross-sectional view taken along the line AA ′ of FIG. 1.
도 3은 종래의 다른 램프를 절단한 단면도이다.3 is a cross-sectional view of another conventional lamp.
도 4는 본 발명의 일 실시 예에 따른 발열 구조물의 구성도이다.4 is a configuration diagram of a heating structure according to an embodiment of the present invention.
도 5는 본 발명에 따른 발열 구조물을 이용하여 제작한 베젤을 도시한 도면이다.5 is a view illustrating a bezel manufactured using the heating structure according to the present invention.
도 6은 도 5에 도시된 베젤이 적용된 램프와 보통의 베젤이 적용된 램프의 건구온도 변화를 비교하여 도시한 그래프이다.FIG. 6 is a graph illustrating a change in dry bulb temperature of a lamp to which a bezel is applied to a lamp to which a normal bezel is applied.
도 7은 도 5에 도시된 베젤이 적용된 램프와 보통의 베젤이 적용된 램프의 살수 온도 변화를 비교하여 도시한 그래프이다.FIG. 7 is a graph illustrating a comparison of watering temperature changes of a lamp to which a bezel is applied to a lamp to which a bezel is applied.
도 8은 도 5에 도시된 베젤이 적용된 램프와 보통의 베젤이 적용된 램프의 상대습도 변화를 비교하여 도시한 그래프이다.FIG. 8 is a graph illustrating changes in relative humidity of a lamp to which a bezel is applied to a lamp to which a normal bezel is applied.
도 9는 본 발명의 다른 실시 예에 따른 발열 구조물의 구성도이다.9 is a configuration diagram of a heating structure according to another embodiment of the present invention.
이하, 첨부된 도면을 참조하여 본 발명에 따른 바람직한 실시 예를 상세히 설명하기로 한다. 이에 앞서, 본 명세서 및 청구범위에 사용된 용어나 단어는 통상적이거나 사전적인 의미로 한정해서 해석되어서는 아니 되며, 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여, 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that it can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.
도 4는 본 발명의 실시 예에 따른 발열 구조물의 구성도, 도 5는 본 발명에 따른 발열 구조물을 이용하여 제작한 베젤을 도시한 도면, 도 6은 도 5에 도시된 베젤이 적용된 램프와 보통의 베젤이 적용된 램프의 건구온도 변화를 비교하여 도시한 그래프, 도 7은 도 5에 도시된 베젤이 적용된 램프와 보통의 베젤이 적용된 램프의 이슬점 온도 변화를 비교하여 도시한 그래프, 도 8은 도 5에 도시된 베젤이 적용된 램프와 보통의 베젤이 적용된 램프의 상대습도 변화를 비교하여 도시한 그래프이다.4 is a block diagram of a heating structure according to an embodiment of the present invention, Figure 5 is a view showing a bezel manufactured using the heating structure according to the present invention, Figure 6 is a bezel applied to the lamp shown in Figure 5 and the normal Fig. 7 is a graph illustrating a change in dry bulb temperature of a lamp to which a bezel is applied, and FIG. 7 is a graph comparing a dew point temperature change of a lamp to which a bezel is applied and a lamp to which a normal bezel is applied, and FIG. This graph shows the relative humidity change of the lamp with the bezel applied to the lamp shown in Fig. 5 and the lamp with the normal bezel applied.
도 4 내지 도 5를 참조하면, 본 발명의 실시 에에 따른 발열 구조물은 플라스틱 사출이 필요한 차량의 부품을 제조하는데 사용되며, 사출용 베이스 재료(110)와, 통전재료(120)와, 금속재료(130)를 포함한다.4 to 5, the heat generating structure according to the embodiment of the present invention is used to manufacture the parts of the vehicle requiring plastic injection, the injection base material 110, the conducting material 120, and a metal material ( 130).
상기 사출용 베이스 재료(110)는 사출 가능한 폴리머(Polymer)로 이루어지며, 상기 사출용 베이스 재료(110)는 플라스틱 사출이 필요한 차량의 부품을 제조 시 주재료로 이용되며, 상기 사출용 베이스 재료(110)로는 폴리부틸렌테레프탈렌(polybutyleneterephthalate : PBT)이 사용되는 것이 바람직하다.The injection base material 110 is made of a polymer that can be injected, and the injection base material 110 is used as a main material when manufacturing parts of a vehicle requiring plastic injection, and the injection base material 110 ), Polybutylene terephthalate (polybutylene terephthalate: PBT) is preferably used.
상기 폴리부틸렌테레프탈렌은 열가소성 결정성 중합물(thermo-plastic)이며, 폴리에스터(polyester)수지의 일종으로 형성단계에서 변형이 작으며, 재질이 강하고, 150°C까지 열 저항능력을 가지고 있어 불에 잘 타지 않는 난연 성질을 가지며, 가전제품, 자동차 부품 등의 제품에 주로 사용되고, 질감이 부드럽기 때문에 칫솔 섬유나 컴퓨터 키보드의 키 갭 등 촉감을 이용하는 제품에 많이 사용된다.The polybutylene terephthalene is a thermoplastic crystalline polymer (thermo-plastic), a type of polyester (polyester) resin, the deformation is small in the forming step, the material is strong, and has a heat resistance capacity up to 150 ° C. It has a flame retardant property that does not burn well, and is mainly used in products such as home appliances and automobile parts, and because of its soft texture, it is widely used in products using a touch such as toothbrush fibers or key gaps of a computer keyboard.
상기 사출용 베이스 재료(110)로서 폴리부틸렌테레프탈렌이 사용됨으로 인하여 제작된 차량의 부품이 난연 성질을 가지면서 부드러운 질감을 가지게 된다.As the polybutylene terephthalene is used as the injection base material 110, the manufactured vehicle parts have a soft texture while having flame retardant properties.
상기 사출용 베이스 재료(110)에는 전도성질을 가지는 통전재료(120)가 혼합되며, 상기 사출용 베이스 재료(110)에 상기 통전재료(120)가 혼합됨으로써 상기 사출용 베이스 재료(110)가 통전되게 되며, 상기 사출용 베이스 재료(110)에 상기 통전재료(120)가 혼합되지 않으면 통전되지 않게 된다.The injection base material 110 is mixed with a conducting material 120 having a conductive property, and the injection base material 110 is energized by mixing the conducting material 120 with the injection base material 110. If the conductive material 120 is not mixed with the injection base material 110, it is not energized.
상기 통전재료(120)로는 탄소 섬유(Carbon Fiber) 또는 탄소 분말(Carbon Black)이 사용되는 것이 바람직하다. 상기 탄소 섬유(Carbon Fiber)는 유기섬유를 불활성기체 속에서 적당한 온도로 열처리해 탄화, 결정화시킨 것으로서, 그래파이트(graphite)상의 탄소로 된 고강도, 고강성 등 기계적 성질이 뛰어난 섬유이다. 상기 탄소 섬유는 고강도, 고탄성율이라는 특징을 살려 복합재료용의 섬유, 특히 플라스틱 재료의 강화섬유로 많이 사용된다.As the conductive material 120, carbon fiber or carbon powder is preferably used. The carbon fiber is carbonized and crystallized by heat treating an organic fiber at an appropriate temperature in an inert gas, and is a fiber having excellent mechanical properties such as high strength and high rigidity made of graphite carbon. The carbon fiber is widely used as a fiber for a composite material, especially a reinforcing fiber of a plastic material, taking advantage of its high strength and high modulus.
상기 통전재료(120)가 혼합된 상기 사출용 베이스 재료(110)에는 금속재료(130)가 혼합되고, 상기 통전재료(120)와 상기 금속재료(130)의 순서로 혼합되지 않고 혼합순서가 변경되어도 상관없다.The injection base material 110 in which the energization material 120 is mixed is mixed with the metal material 130, and the mixing order is changed without being mixed in the order of the energization material 120 and the metal material 130. It does not matter.
상기 사출용 베이스 재료(110)에 상기 금속재료(130)가 혼합됨으로 인하여 상기 사출용 베이스 재료(110)에 전력이 인가 시 발열이 이루어지게 된다.Since the metal material 130 is mixed with the injection base material 110, heat is generated when power is applied to the injection base material 110.
상기 금속재료(130)로는 니켈 파우더(Nickle Powder), 구리, 스틸, 알루미늄, 티타늄 중 선택된 하나이거나 이들의 혼합물이 사용되는 것이 바람직하다. 상기 니켈 파우더(Nickle Powder)가 혼합될 경우 발열성능은 우수하나 제조단가가 상승하는 문제점이 있으며, 구리 등을 사용 시에는 상기 니켈 파우더에 비해 제조단가가 낮아지는 장점이 있으나 성능이 저하되는 문제점이 발생하는 바, 본 발명에 따른 발열 구조물의 제작 조건에 따라 금속재료를 선택하여 사용하는 것이 바람직하다.As the metal material 130, one selected from nickel powder, copper, steel, aluminum, and titanium, or a mixture thereof is preferably used. When the nickel powder is mixed, the heat generation performance is excellent, but there is a problem in that the manufacturing cost increases, and when copper is used, the manufacturing cost is lowered compared to the nickel powder, but the performance is deteriorated. As it occurs, it is preferable to select and use a metal material according to the manufacturing conditions of the heating structure according to the present invention.
상기 사출용 베이스 재료(110)와 상기 통전재료(120) 및 상기 금속재료(130)는 혼합되어 압출기(미도시)를 통해 수지형태로 사출되며, 이를 이용하여 차량의 부품을 제조하게 된다.The injection base material 110, the conducting material 120, and the metal material 130 are mixed and injected in a resin form through an extruder (not shown), thereby manufacturing parts of a vehicle.
상기 사출용 베이스 재료(110) 50~80 중량%에 상기 통전재료(120) 10~40 중량%, 상기 금속재료(130) 10~40 중량%가 혼합되는 것이 바람직하다. 상기 사출용 베이스 재료(110)가 50 중량% 이하일 경우에는 차량 제품을 제조 시 사출이 어렵게 되고, 상기 통전재료(120)가 10 중량% 이하일 경우에는 제조된 차량의 제품에 통전이 이루어지지 않으며, 40 중량% 이상일 경우에는 제조된 차량의 제품에 외관상 문제점이 발생하게 된다.50 to 80% by weight of the injection base material 110 is preferably 10 to 40% by weight of the conductive material 120, 10 to 40% by weight of the metal material 130. When the injection base material 110 is 50 wt% or less, injection is difficult when manufacturing a vehicle product, and when the energization material 120 is 10 wt% or less, power is not applied to the manufactured vehicle product. If the weight is more than 40% by weight, a problem occurs in appearance of the manufactured vehicle.
상기 금속재료(130)가 10 중량% 이하로 혼합될 경우 발열이 발생하지 않으며, 혼합된 상기 금속재료(130)가 40 중량% 이상일 경우에는 사출이 잘 되지 않은 문제점이 발생하게 된다.When the metal material 130 is mixed at 10 wt% or less, no heat is generated, and when the mixed metal material 130 is 40 wt% or more, injection does not occur well.
도 6 내지 도 8에는 본 발명에 따른 발열 구조물(100)을 이용하여 차량용 부품인 베젤(200)를 제작한 후 일반 플라스틱을 이용하여 제작한 베젤과의 습기평가실험 결과가 그래프로 도시되어 있다.6 to 8 illustrate the results of a moisture evaluation test with the bezel manufactured by using a general plastic after manufacturing the bezel 200 as a vehicle component using the heating structure 100 according to the present invention.
도 6을 참조하면, 본 발명에 따른 발열 구조물(100)로 제조한 히팅 베젤이 적용된 램프와 일반 플라스틱으로 제조한 일반 베젤이 적용된 램프의 건구온도 변화의 그래프가 도시되어 있으며, 발열 구조물(100)로 제조한 히팅 베젤이 적용된 램프가 전력을 인가 시 온도계의 수감부를 햇볕에 직접 닿지 않게 공기 중에 노출하여 측정한 건구온도가 일반 플라스틱으로 제조한 일반 베젤이 적용된 램프의 건구온도 보다 높은 것으로 나타났다.Referring to FIG. 6, there is shown a graph of dry bulb temperature change of a lamp to which a heating bezel made of a heating structure 100 according to the present invention and a lamp to which a general bezel made of ordinary plastic is applied, the heating structure 100. It was found that the dry bulb temperature measured by exposing the receiver's receiver to the air so as not to be exposed to the sun when the lamp was applied with the heating bezel manufactured by the heater was higher than the dry bulb temperature of the lamp applied with the general bezel made of ordinary plastic.
도 7 및 도 8을 참조하면, 상기 발열 구조물(100)로 제조한 히팅 베젤이 적용된 램프가 일반 플라스틱으로 제조한 일반 베젤이 적용된 램프보다 살수 온도는 상승하고, 상대습도는 하강한 것으로 나타났다. 본 발명에 따른 발열 구조물(100)을 이용하여 차량용 부품인 히팅 베젤(200)를 제작한 후 일반 플라스틱을 이용하여 제작한 일반 베젤과의 습기평가실험 결과를 보면 발열 구조물(100)로 제작된 히팅 베젤이 적용된 램프가 일반 플라스틱이 적용된 램프보다 상대습도 조건이 향상된 것을 확인할 수 있다.Referring to FIGS. 7 and 8, the spraying temperature of the heating bezel applied to the heating structure 100 is higher than that of the lamp applied to the general bezel made of ordinary plastic, and the sprinkling temperature is increased and the relative humidity is lowered. After manufacturing the heating bezel 200 which is a vehicle component using the heating structure 100 according to the present invention, the results of the moisture evaluation test with the general bezel manufactured by using a general plastic heating structure made of the heating structure 100 It can be seen that the lamp with the bezel has improved relative humidity condition than the lamp with the plastic.
도 9를 참조하면, 본 발명의 다른 실시 예에 따른 발열 구조물(300)은 발열이 필요한 차량 구조물을 제조하는데 사용되며, 통전재료(310)와, 금속재료(320)를 포함한다.Referring to FIG. 9, the heat generating structure 300 according to another embodiment of the present invention is used to manufacture a vehicle structure requiring heat generation, and includes a conduction material 310 and a metal material 320.
상기 발열이 필요한 차량 구조물이 상기 통전재료(310)를 포함함으로 인하여 통전이 되게 되며, 상기 통전재료(310)로는 탄소 섬유(Carbon Fiber) 또는 탄소 분말(Carbon Black)이 사용되는 것이 바람직하다. 상기 통전재료(310)에 대한 상세한 설명은 본 발명의 일 실시 예에 따른 발열 구조물(100)에서 설명한 바, 그에 대한 상세한 설명은 생략하기로 한다.The vehicle structure requiring heat generation is energized by including the energization material 310, and it is preferable that carbon fiber or carbon powder is used as the energization material 310. The detailed description of the conductive material 310 has been described in the heating structure 100 according to an embodiment of the present invention, a detailed description thereof will be omitted.
상기 통전재료(310)에 금속재료(320)가 혼합되며, 상기 금속재료(320)가 포함됨으로 인하여 제조된 발열이 필요한 차량 구조물에 전력을 인가 시 발열이 이루어지게 된다.Since the metal material 320 is mixed with the energizing material 310, the metal material 320 is included to generate heat when electric power is applied to the manufactured vehicle structure requiring heat.
상기 금속재료(320)로는 메탈 파우더(Metal Powder)가 사용되는 것이 바람직하나 이에 한정되는 것은 아니며, 메탈 파우더가 아닌 본 발명의 일 실시 예에 따른 발열 구조물(100)에서 사용된 니켈 파우더(Nickle Powder), 구리, 스틸, 알루미늄, 티타늄 중 선택된 하나이거나 이들의 혼합물이 사용될 수 있으며, 제작 조건에 따라 금속재료를 선택하여 사용하는 것이 바람직하다.The metal material 320 is preferably a metal powder (Metal Powder), but is not limited thereto. Nickel powder used in the heating structure 100 according to an embodiment of the present invention is not a metal powder. ), Copper, steel, aluminum, titanium, or a mixture thereof may be used, and it is preferable to select and use a metal material according to the production conditions.
상기 통전재료 50~70 중량%에 상기 금속재료 30~50 중량%가 혼합되는 것이 바람직하며, 상기 통전재료(310)가 50% 이하이면 전력 인가 시 국부적으로 통전되지 않는 부분이 발생할 수 있는 문제점이 발생하게 되고, 상기 통전재료(310)가 70% 이상이면 혼합할 수 있는 금속재료의 양과 베이스 재료의 성분비가 낮아지기 때문에 제품의 내구성능 및 발열성능이 하락할 수 있는 문제점이 발생하게 된다.It is preferable that 30 to 50 wt% of the metal material is mixed with 50 to 70 wt% of the energizing material, and if the energizing material 310 is 50% or less, there is a problem that a part that is not locally energized may occur when power is applied. If the current carrying material 310 is 70% or more, the amount of the metal material to be mixed and the component ratio of the base material are lowered, resulting in a problem that the durability and heat generation performance of the product may decrease.
상기 통전재료(310)에 상기 금속재료(320)가 30 중량% 이하로 혼합될 경우 발열성능이 하락하거나 발열이 불가할 수 있는 문제점이 발생하게 되고, 상기 금속재료(320)가 50 중량% 이상으로 혼합될 경우 상대적으로 베이스 재료 및 통전재료의 성분비가 낮아지기 때문에 통전이 안되거나 내구성능이 하락할 수 있다.When the metal material 320 is mixed with the conductive material 310 in an amount of 30% by weight or less, a problem may occur in that the heat generation performance may decrease or heat generation may be impossible, and the metal material 320 may be 50% by weight or more. When mixed with a relatively low component ratio of the base material and the conductive material may not be energized or the durability may be reduced.
본 발명의 다른 실시 예에 따른 발열 구조물(300)을 이용하여 차량용 부품인 베젤(200) 등을 제작할 수 있으며, 이에 한정되는 것은 아니고 발열이 필요한 차량용 부품을 제작하는데 사용될 수 있다.The bezel 200, which is a vehicle component, may be manufactured using the heating structure 300 according to another exemplary embodiment of the present disclosure, but the present invention is not limited thereto and may be used to manufacture a vehicle component that requires heat generation.
따라서, 열선 등과 같은 발열부재를 사용하지 않음으로 인해 내구력을 향상시킬 수 있고, 전력이 인가 시 자체적으로 발열이 이루어지도록 하여 차량의 플라스틱 사출 부품인 램프에 적용 시 간편하게 램프의 인보드와 아웃보드측의 온도를 상승시켜 램프 내에 습기가 생성되는 것을 간편하게 방지할 수 있고, 발열이 필요한 차량용 부품에 적용 시에는 전력을 인가함으로써 간편하게 차량용 부품에 발열을 발생시킬 수 있다.Therefore, it is possible to improve durability by not using heating elements such as heating wires, and to generate heat by itself when electric power is applied, so that when applied to a lamp which is a plastic injection part of a vehicle, the lamp is easily inboard and outboard It is possible to easily prevent the generation of moisture in the lamp by increasing the temperature of the lamp, and when applied to a vehicle component that requires heat can be easily generated heat by applying the power to the vehicle component.
본 발명은 도면에 도시된 실시 예를 참고로 설명되었으나 이는 예시적인 것에 불과하며, 본 기술 분야의 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 다른 실시 예가 가능하는 점을 이해할 것이다. 따라서 Although the present invention has been described with reference to the embodiments illustrated in the drawings, these are merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible. therefore
본 발명은 차량용 발열 구조물에 이용될 수 있다.The present invention can be used in a vehicle heating structure.

Claims (7)

  1. 플라스틱 사출이 필요한 차량의 부품을 제조하는데 사용되는 것으로서,It is used to manufacture parts of vehicles requiring plastic injection,
    사출 가능한 폴리머로 이루어지는 사출용 베이스 재료;An injection base material composed of an injection polymer;
    상기 사출용 베이스 재료와 혼합되며 전도성질을 가지는 통전재료; 및A conducting material mixed with the injection base material and having a conductive material; And
    상기 사출용 베이스 재료 및 상기 통전재료와 혼합되며 전기 인가 시 발열 성능을 가지는 금속재료를 포함하는 발열 구조물.And a metal material mixed with the injection base material and the energizing material and having a heat generating performance upon application of electricity.
  2. 청구항 1에 있어서,The method according to claim 1,
    상기 사출용 베이스 재료 50~80 중량%와 상기 통전재료 10~40 중량% 및 상기 금속재료 10~40 중량%가 혼합되어 압출기를 통해 수지형태로 사출되는 것을 특징으로 하는 발열 구조물.50 to 80% by weight of the injection base material, 10 to 40% by weight of the energizing material and 10 to 40% by weight of the metal material is mixed and injected into the resin form through an extruder.
  3. 청구항 1에 있어서,The method according to claim 1,
    상기 사출물 베이스 재료로는 폴리부틸렌테레프탈렌(polybutyleneterephthalate : PBT)이 사용되는 것을 특징으로 하는 발열 구조물.The extruded base material is a heating structure, characterized in that polybutylene terephthalate (polybutylene terephthalate: PBT) is used.
  4. 청구항 1에 있어서,The method according to claim 1,
    상기 통전재료로는 탄소 섬유(Carbon Fiber)와 탄소 분말(Carbon Black)이 사용되는 것을 특징으로 하는 발열 구조물.The heating material is characterized in that the carbon fiber (Carbon Fiber) and carbon powder (Carbon Black) is used as the conductive material.
  5. 청구항 1에 있어서,The method according to claim 1,
    상기 금속재료로는 니켈 파우더(Nickle Powder), 구리, 스틸, 알루미늄, 티타늄 중 선택된 하나이거나 이들의 혼합물이 사용되는 것을 특징으로 하는 발열 구조물.The metal material is nickel powder (Nickle Powder), copper, steel, aluminum, titanium selected from one of the heat generating structure, characterized in that a mixture thereof is used.
  6. 차량의 부품을 제조하는데 사용되는 것으로서,As used to manufacture parts of vehicles,
    전도성질을 가지는 통전재료; 및A conducting material having a conductive material; And
    상기 통전재료와 혼합되며 전기 인가 시 발열성능을 가지는 금속재료를 포함하는 발열 구조물.A heat generating structure comprising a metal material mixed with the energizing material and having a heat generating performance upon application of electricity.
  7. 청구항 6에 있어서,The method according to claim 6,
    상기 통전재료로는 탄소 섬유(Carbon Fiber)와 탄소 분말(Carbon Black)이 사용되고, 상기 금속재료로는 메탈 파우더(Metal Powder)가 사용되며,Carbon fiber and carbon black are used as the energization material, and metal powder is used as the metal material.
    상기 통전재료 50~70 중량%와 상기 금속재료 30~50 중량%가 혼합되는 것을 특징으로 하는 발열 구조물.50 to 70% by weight of the energizing material and 30 to 50% by weight of the metal material is heated.
PCT/KR2017/002305 2017-03-03 2017-03-03 Heating structure WO2018159882A1 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0896933A (en) * 1994-09-27 1996-04-12 Showa Aircraft Ind Co Ltd Plastic heater
JP2827439B2 (en) * 1990-04-18 1998-11-25 アイシン精機株式会社 Planar exothermic molded product and method for producing the same
JP2009269306A (en) * 2008-05-08 2009-11-19 Teijin Chem Ltd Resin molded body and its molding method
KR20140108660A (en) * 2011-12-27 2014-09-12 데이진 가부시키가이샤 Method for joining composite materials
KR20160060908A (en) * 2014-11-21 2016-05-31 주식회사 대신테크젠 Antifogging heating material through the fusion of carbon-based inorganic filler including modified graphite, and manufacturing method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2827439B2 (en) * 1990-04-18 1998-11-25 アイシン精機株式会社 Planar exothermic molded product and method for producing the same
JPH0896933A (en) * 1994-09-27 1996-04-12 Showa Aircraft Ind Co Ltd Plastic heater
JP2009269306A (en) * 2008-05-08 2009-11-19 Teijin Chem Ltd Resin molded body and its molding method
KR20140108660A (en) * 2011-12-27 2014-09-12 데이진 가부시키가이샤 Method for joining composite materials
KR20160060908A (en) * 2014-11-21 2016-05-31 주식회사 대신테크젠 Antifogging heating material through the fusion of carbon-based inorganic filler including modified graphite, and manufacturing method thereof

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