KR20070028889A - Combination structure of plate heater - Google Patents

Combination structure of plate heater Download PDF

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Publication number
KR20070028889A
KR20070028889A KR1020050083642A KR20050083642A KR20070028889A KR 20070028889 A KR20070028889 A KR 20070028889A KR 1020050083642 A KR1020050083642 A KR 1020050083642A KR 20050083642 A KR20050083642 A KR 20050083642A KR 20070028889 A KR20070028889 A KR 20070028889A
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South Korea
Prior art keywords
plate heater
heating
plate
heating object
cover
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KR1020050083642A
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Korean (ko)
Inventor
김영재
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주식회사 대우일렉트로닉스
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Priority to KR1020050083642A priority Critical patent/KR20070028889A/en
Publication of KR20070028889A publication Critical patent/KR20070028889A/en

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    • 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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
    • 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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • 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
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/56—Heating cables
    • 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
    • H05B2203/016—Heaters using particular connecting means

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  • Resistance Heating (AREA)

Abstract

A combination structure of a plate heater is provided to lower a production cost and to improve productivity by being installed on a cylindrical heating object without additional parts. A combination structure of a plate heater includes a rear plane cover(110), a heating line(120), a front plane cover(130), and a power applying unit(140). The heating line(120) is arranged on an inner plane of the rear plane cover(110). The front plane cover(130) is installed on a front side of the rear plane cover(110) to include the heating line(120). The power applying unit(140) provides power to the heating line(120). A connection unit(112) to be bent is protrusively formed on both ends of the plate heater(100). A plurality of fixing brackets(122) are formed on an outer circumferential plane of a heating object. The connection unit(112) of both ends of the plate heater(100) surrounding the heating object is inserted into the fixing brackets(122) and fixed by bending.

Description

판상 히터의 체결구조{COMBINATION STRUCTURE OF PLATE HEATER}Fastening structure of plate heater {COMBINATION STRUCTURE OF PLATE HEATER}

도 1은 종래 판상 히터의 체결 구조를 보인 사시도이고,1 is a perspective view showing a fastening structure of a conventional plate heater,

도 2는 본 발명에 따른 판상 히터와 가열 대상물의 분리 사시도이고,2 is an exploded perspective view of a plate heater and a heating object according to the present invention;

도 3은 본 발명에 따른 판상 히터의 체결구조를 보여주는 가열 대상물의 정면도이고,3 is a front view of a heating object showing the fastening structure of the plate heater according to the present invention,

도 4는 본 발명에 따른 판상 히터의 체결구조를 보여주는 가열 대상물의 배면도이고,Figure 4 is a rear view of the heating object showing the fastening structure of the plate-shaped heater according to the present invention,

도 5는 본 발명에 따른 판상 히터의 체결구조를 보여주는 가열 대상물의 평면도이다.5 is a plan view of a heating object showing a fastening structure of the plate heater according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

100 : 판상 히터 110 : 후면커버100: plate heater 110: rear cover

112 : 체결부 120 : 발열선 112: fastening portion 120: heating wire

130 : 전면커버 140 : 전원인가부130: front cover 140: power supply

120 : 가열 대상물 122 : 고정브라켓120: heating target 122: fixed bracket

124 : 커버고정브라켓124 cover fixing bracket

본 발명은 판상 히터의 체결구조에 관한 것으로서, 더욱 상세하게는 원통의 가열 대상물에 벤딩되어 장착되는 판상 히터의 체결구조에 관한 것이다.The present invention relates to a fastening structure of the plate heater, and more particularly to a fastening structure of the plate heater bent and mounted to the cylindrical heating object.

일반적으로 판상 히터는 발열선을 운모로 절연하고 외부를 내열금속인 아연도강판, 스테인레스판 등으로 제작한 것이다. 이러한 판상 히터는 열용량이 적기 때문에 온도제어에 대하여 예민하게 반응할 뿐만 아니라 가열시간이 극히 짧은 장점을 가지고 있으므로 사출성형기 및 압출성형기 등의 외면에 밀착시켜 실린더의 온도를 350℃까지 높이는데 사용되기도 하고, 사출성형기 및 압출성형기 등의 실린더 이외에 정수기의 물을 가열하는 히터로도 사용된다.In general, the plate heater is produced by insulating the heating wire with mica and the outside of the galvanized steel plate, stainless steel plate, etc. Since the plate heater has a small heat capacity, it reacts sensitively to temperature control and has a short heating time. Therefore, the plate heater is used to raise the temperature of the cylinder to 350 ° C by being in close contact with the outer surface of the injection molding machine and the extrusion molding machine. In addition to the cylinders, such as injection molding machine and extrusion molding machine, it is also used as a heater for heating the water of the water purifier.

한편, 전술한 판상 히터가 설치되는 부위에 따라 적합한 형태로 제작되나, 원통형이나 다각형 등이 대부분으로 전원 부분이 아주 다양하게 구성되며, 리드형, 볼트형 등으로 분리되고, 어느 것이나 표준품은 클램프 밴드로 둘러쌓인 구조로 되어 있다. 이 때, 판상 히터는 30% 정도의 절전 효과와 피가열체 내부 온도의 변화를 최소화시키는 효과가 있다.On the other hand, the above-described plate-shaped heater is manufactured in a suitable form according to the installation site, but the cylindrical or polygonal, etc. are mostly composed of a variety of power source, separated into a lead type, bolt type, etc., any standard product is a clamp band It is surrounded by a structure. At this time, the plate heater has a power saving effect of about 30% and minimizes the change in the temperature inside the heating element.

위와 같은 판상 히터의 종류로는 피가열체의 가열온도를 482℃까지 가열하며 전기적 절연효과가 빠른 마이카 판상 히터와, 알루미늄 주물로 제작되어 무게가 가볍고 열전달 반응이 최대 가열온도가 600℃인 주물형 판상 히터 및 세라믹으로 단열처리되어 열효율이 우수하며 피가열체에 균일하게 열을 가할 수 있으며 최대 가열온도가 871℃인 세라믹 판상 히터 등이 있다.As the above kind of plate heater, it is made of mica plate heater that has high electrical insulation effect and aluminum casting, and it is made of aluminum casting, which is light in weight and heat transfer reaction has a maximum heating temperature of 600 ℃. It is thermally insulated with plate heaters and ceramics, and has excellent thermal efficiency. It is capable of uniformly applying heat to a heated object, and ceramic plate heaters having a maximum heating temperature of 871 ° C.

특히, 마이카 판상 히터에 사용되는 마이카 시트는 경질의 운모를 실리콘 접 착제로 도포하고, 높은 온도에서 압축하여 접착제를 완전 경화시킨 것으로, 내열성이 우수하고 고온 분위기 내에서 높은 강도와 우수한 전기 절연성을 갖고 있으며, 절연용 마이카 시트는 가열하여도 연기나 냄새가 거의 없고 절단 가공성이 우수하다. 용도는 토스터, 다리미, 헤어드라이어 등에 사용된다.In particular, the mica sheet used for the mica plate heater is a hard mica coated with a silicone adhesive, compressed at a high temperature to fully cure the adhesive, has excellent heat resistance and high strength and excellent electrical insulation in a high temperature atmosphere. The insulation mica sheet has no smoke or odor even when heated, and has excellent cutting processability. Applications include toasters, irons and hair dryers.

도 1에서는 종래 판상 히터의 체결 구조를 보인 사시도이다.1 is a perspective view showing a fastening structure of a conventional plate heater.

내부에 단열선을 포함하는 대략 직사각형 구조의 지지시트(10)가 구비되고, 이 지지시트(10)의 양단에 절곡된 연결부(12)가 형성된다.A support sheet 10 having a substantially rectangular structure including a heat insulation line is provided therein, and connecting portions 12 bent at both ends of the support sheet 10 are formed.

따라서 원통형의 가열 대상물(20)을 지지시트(10)로 둘러싼 다음에, 지지시트(10)의 양단 연결부(12)를 볼트 구조의 연결부재(30)로 체결시킴으로써, 가열 대상물(20)에 지지시트(10)를 밀착시켜 가열이 이루어진다.Therefore, the cylindrical heating object 20 is surrounded by the support sheet 10, and then both ends 12 of the support sheet 10 are fastened by the connecting member 30 having a bolt structure, thereby supporting the heating object 20. The sheet 10 is brought into close contact with each other to make heating.

그런데, 전술한 바와 같은 종래 판상 히터의 체결구조는, 가열 대상물에 밀착시키기 위하여 연결부재라는 별도의 부품을 사용함으로써, 체결이 번거롭고, 체결 단가가 높아지는 문제점이 있었다.However, the conventional fastening structure of the plate-shaped heater as described above has a problem in that the fastening is cumbersome and the fastening unit cost is increased by using a separate component called a connecting member to closely adhere to the heating object.

본 발명은 상기한 바와 같은 결점을 해소시키기 위하여 안출된 것으로서, 별도의 부품 없이도 원통의 가열 대상물에 용이하게 장착될 수 있도록 한 판상 히터의 체결구조를 제공하는 것을 그 목적으로 한다.An object of the present invention is to provide a fastening structure of a plate-shaped heater that can be easily mounted on a heating object of a cylinder without any additional components, to solve the above-mentioned drawbacks.

상술한 목적을 달성하기 위한 본 발명은, 후면커버와, 후면커버의 내측면에 배치된 발열선과, 후면커버의 전면측에서 발열선을 포함하며 설치되는 전면커버와, 발열선에 전원을 공급하는 전원인가부를 포함하는 판상 히터의 체결구조로서, 판상 히터의 양단부에 벤딩 가능한 체결부가 일체로 돌출 형성되고, 가열 대상물 외주면에는 복수개의 고정브라켓이 설치되어, 가열 대상물을 둘러싼 판상 히터의 양단 체결부가 고정브라켓에 각각 삽입되고 벤딩에 의하여 고정되는 판상 히터의 체결구조를 제공한다.The present invention for achieving the above object, the rear cover, the heating wire disposed on the inner side of the rear cover, the front cover including a heating wire installed on the front side of the rear cover, and a power supply for supplying power to the heating wire A fastening structure of a plate heater including a portion, wherein the fastening portions that can be bent at both ends of the plate heater are integrally formed, and a plurality of fixing brackets are installed on the outer circumferential surface of the heating object, and both fastening portions of the plate heater surrounding the heating object are fixed to the fixing bracket. Provided is a fastening structure of the plate heater, each inserted and fixed by bending.

본 발명의 상기 목적과 여러 가지 장점은 이 기술 분야에 숙련된 사람들에 의해 첨부된 도면을 참조하여 아래에 기술되는 발명의 바람직한 실시 예로부터 더욱 명확하게 될 것이다.The above objects and various advantages of the present invention will become more apparent from the preferred embodiments of the invention described below with reference to the accompanying drawings by those skilled in the art.

이하 첨부된 도면을 참조하여 본 발명의 바람직한 실시 예에 대하여 상세하게 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 발명에 따른 판상 히터와 가열대상물의 분리 사시도이고, 도 3은 본 발명에 따른 판상 히터의 체결구조를 보여주는 가열대상물의 정면도이고, 도 4는 본 발명에 따른 판상 히터의 체결구조를 보여주는 가열대상물의 배면도이고, 도 5는 본 발명에 따른 판상 히터의 체결구조를 보여주는 가열대상물의 평면도이다.2 is an exploded perspective view of the plate heater and the heating object according to the present invention, Figure 3 is a front view of the heating object showing the fastening structure of the plate heater according to the invention, Figure 4 is a fastening structure of the plate heater according to the present invention 5 is a rear view of the heating object, and FIG. 5 is a plan view of the heating object showing the fastening structure of the plate heater according to the present invention.

도 2에 도시된 바와 같이 본 발명에 따른 판상 히터(100)는, 후면커버(110)와, 전원의 공급에 의해 열을 발산하는 발열선(120)과, 후면커버(110)의 전면측에서 발열선(120)을 포함하며 결합되는 전면커버(130)와, 그리고 발열선(120)에 전원을 공급하는 전원인가부(140)로 크게 구성된다.As shown in FIG. 2, the plate heater 100 according to the present invention includes a rear cover 110, a heating line 120 that radiates heat by supplying power, and a heating line at the front side of the rear cover 110. It includes a large and comprises a front cover 130 and 120, and a power supply unit 140 for supplying power to the heating line 120.

여기서 후면커버(110)와 전면커버(130)는 길이 방향으로 긴 직사각 판상의 금속재로 대략 0.4mm이내의 두께로 이루어진다.Here, the rear cover 110 and the front cover 130 is made of a rectangular metal plate-shaped long in the longitudinal direction of about 0.4mm or less.

이 후면커버(110)의 내측면에 발열선(120)이 길이 방향을 따라 지그재그로 배치된다.The heating wire 120 is arranged in a zigzag along the longitudinal direction on the inner surface of the rear cover 110.

그리고 발열선(120)이 배치된 후면커버(110)의 전면측으로 전면커버(130)가 결합되며, 이 전면커버(130) 상에 내부 발열선(120)에 전원을 공급하게 되는 전원인가부(140)가 연결 설치된다.The front cover 130 is coupled to the front side of the rear cover 110 in which the heating line 120 is disposed, and the power applying unit 140 supplies power to the internal heating line 120 on the front cover 130. Is installed connected.

한편, 본 발명의 특징에 따라 후면커버(110)의 양단부에는 중심을 기준으로 하여 폭이 축소되어 돌출된 체결부(112)가 일체로 더 형성된다.On the other hand, according to the features of the present invention, both ends of the rear cover 110 are further formed integrally with the fastening portion 112 protruding from the width is reduced relative to the center.

그리고 가열 대상물(120)은, 내부에 담겨지는 내용물을 데우기 위한 원통형의 용기로서, 상부는 개방되고, 내부는 빈 공간을 가지며, 그 외주면에는 복수개의 고정브라켓(122)이 설치된다.The object to be heated 120 is a cylindrical container for warming the contents contained therein, the upper portion of which is open, the inner portion of which has an empty space, and a plurality of fixing brackets 122 are installed on the outer circumferential surface thereof.

고정브라켓(122)은, 편평한 양단이 가열대상물(120)에 볼트 또는 납땜 등으로 부착되어, "ㄷ"자 형상의 삽입 공간을 형성시킨 것이다.Both ends of the fixing bracket 122 are attached to the heating object 120 by bolts or solders, thereby forming an insertion space having a “c” shape.

이러한 고정브라켓(122)은 가열 대상물(120)의 어느 외주면 상에 근접 위치에서 두 개가 마주하여 설치되며, 더욱이 고정브라켓(122)이 설치된 가열 대상물(120) 외주면의 반대측에 후면커버(110)를 지지하기 위한 커버고정브라켓(124)이 더 설치된다.The two fixing brackets 122 are installed to face each other at a position close to each other on the outer circumferential surface of the heating object 120, and furthermore, the rear cover 110 on the opposite side of the outer circumferential surface of the heating object 120 on which the fixing bracket 122 is installed. The cover fixing bracket 124 for supporting is further installed.

커버고정브라켓(124)은 고정브라켓(122)과 동일 형상이나 판상 히터(100)의 전체 폭을 포함할 수 있는 크기로 하여, 가열대상물(120)에 고정브라켓(122)과 동일 고정 방법으로 하나가 설치된다. 한편, 하나의 커버고정브라켓(124)으로부터 소정 거리 이격되어 복수개가 설치될 수도 있다.Cover fixing bracket 124 is the same shape as the fixing bracket 122 or the size that can include the full width of the plate-shaped heater 100, one in the same fixing method as the fixing bracket 122 to the heating object 120 Is installed. On the other hand, a plurality of covers may be installed spaced apart from one cover fixing bracket 124 by a predetermined distance.

이와 같이 구성된 본 발명에 따른 판상 히터 체결구조의 조립을 설명하면 다음과 같다.Referring to the assembly of the plate-shaped heater fastening structure according to the present invention configured as described above are as follows.

도 3 및 도 4와 도 5에 도시된 것과 같이, 먼저, 발열선(120)을 내부에 포함하는 후면커버(110)와 전면커버(130)의 조립으로 이루어진 판상 히터(100)의 일단을 커버고정브라켓(124)에 삽입시킨다.As shown in FIGS. 3 and 4 and 5, first, one end of the plate-shaped heater 100 formed by assembling the rear cover 110 and the front cover 130 including the heating wire 120 therein is fixed. Insert into the bracket (124).

따라서 판상 히터(100)는 커버고정브라켓(124)에 의하여 걸쳐져 있는 상태가 되며, 이 상태에서 판상 히터(100) 양단의 체결부(112)가 각각의 고정브라켓(122)에 삽입되고, 그 고정브라켓(122)에 삽입되어 관통된 일단의 체결부(112)를 당김과 동시에 고정브라켓(122)을 감싸면서 벤딩하게 된다.Therefore, the plate heater 100 is in a state spanned by the cover fixing bracket 124, in which the fastening portion 112 at both ends of the plate heater 100 is inserted into each fixing bracket 122, the fixing At the same time, the fastening part 112 inserted into the bracket 122 is pulled and bent while wrapping the fixing bracket 122.

이렇게 판상 히터(100)는 커버고정브라켓(124)에 걸쳐져 지지되는 상태에서 양단의 체결부(112)가 고정브라켓(122)에 삽입되고 벤딩됨으로써, 가열 대상물(120)에 밀착 고정된다.Thus, the plate heater 100 is fastened to the heating object 120 by being fastened and bent to the fastening portion 112 at both ends is inserted into the fixing bracket 122 in a state that is supported across the cover fixing bracket 124.

다음으로 판상 히터(100)에 전원인가부(140)를 연결하고 전원을 공급하여 가열 대상물(120)을 가열하게 된다.Next, the power supply unit 140 is connected to the plate heater 100 and supplied with power to heat the heating target 120.

이처럼 가열 대상물(120)에 설치된 고정브라켓(122)을 통하여 판상 히터(100)가 밀착 고정됨으로써, 별도의 부품 없이도 판상 히터(100)의 용이한 장착이 가능하다.As such, the plate heater 100 is tightly fixed through the fixing bracket 122 installed on the heating object 120, so that the plate heater 100 may be easily mounted without a separate component.

이상에서 설명한 것은 본 발명에 따른 판상 히터의 체결구조를 실시하기 위한 하나의 실시예에 불과한 것으로서, 본 발명은 상기한 실시예에 한정되지 않고, 이하의 특허청구범위에서 청구하는 바와 같이 본 발명의 요지를 벗어남이 없이 당 해 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변경 실시가 가능한 범위까지 본 발명의 기술적 정신이 있다고 할 것이다. What has been described above is only one embodiment for implementing the fastening structure of the plate heater according to the present invention, the present invention is not limited to the above embodiment, as claimed in the following claims of the present invention Without departing from the gist of the invention, any person having ordinary skill in the art will have the technical spirit of the present invention to the extent that various modifications can be made.

이상에서 설명한 바와 같이, 본 발명에 의한 판상 히터의 체결구조는, 별도의 부품 없이도 원통의 가열 대상물에 용이하게 장착됨으로써, 생산 단가가 저렴해지고, 생산성이 향상되는 효과가 있다.As described above, the fastening structure of the plate heater according to the present invention can be easily attached to a cylindrical heating target without any additional components, thereby reducing the production cost and improving productivity.

Claims (3)

후면커버와, 상기 후면커버의 내측면에 배치된 발열선과, 상기 후면커버의 전면측에서 상기 발열선을 포함하며 설치되는 전면커버와, 상기 발열선에 전원을 공급하는 전원인가부를 포함하는 판상 히터의 체결구조로서,Fastening of a plate heater including a rear cover, a heating wire disposed on the inner side of the rear cover, a front cover including the heating wire installed at the front side of the rear cover, and a power applying unit for supplying power to the heating wire. As a structure, 상기 판상히터의 양단부에 벤딩 가능한 체결부가 일체로 돌출 형성되고,Fastening parts that can be bent at both ends of the plate heater are integrally formed, 가열 대상물 외주면에는 복수개의 고정브라켓이 설치되어,A plurality of fixing brackets are installed on the outer peripheral surface of the heating object, 상기 가열 대상물을 둘러싼 상기 판상히터의 양단 체결부가 상기 고정브라켓에 각각 삽입되고 벤딩에 의하여 고정되는 판상 히터의 체결구조.Fastening structure of the plate heater to which both ends of the plate heater surrounding the heating object is inserted into the fixing bracket and fixed by bending. 제 1 항에 있어서,The method of claim 1, 상기 고정브라켓은,The fixing bracket, 상기 가열 대상물의 외주면 상에 근접 위치에서 마주하여 설치되는 것을 특징으로 하는 판상 히터의 체결구조.Fastening structure of the plate-shaped heater, characterized in that installed on the outer circumferential surface of the heating object facing in close proximity. 제 1 항에 있어서,The method of claim 1, 상기 고정브라켓이 설치된 상기 가열 대상물 외주면의 반대측에 상기 후면커버를 지지할 수 있는 커버고정브라켓이 더 설치되는 것을 특징으로 하는 판상 히터의 체결구조.The fastening structure of the plate heater, characterized in that the cover fixing bracket for supporting the rear cover is further provided on the opposite side of the outer peripheral surface of the heating object to which the fixing bracket is installed.
KR1020050083642A 2005-09-08 2005-09-08 Combination structure of plate heater KR20070028889A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101401459B1 (en) * 2012-05-31 2014-05-30 (주)혜원전기 Band heater and manufacturing method of band heater
CN104976848A (en) * 2014-04-10 2015-10-14 日本电产三协株式会社 Air throttle device and heater
CN111390435A (en) * 2020-03-23 2020-07-10 华电金沙江上游水电开发有限公司 Heat source fixing device for circular seam heating, heating system and heating method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101401459B1 (en) * 2012-05-31 2014-05-30 (주)혜원전기 Band heater and manufacturing method of band heater
CN104976848A (en) * 2014-04-10 2015-10-14 日本电产三协株式会社 Air throttle device and heater
CN111390435A (en) * 2020-03-23 2020-07-10 华电金沙江上游水电开发有限公司 Heat source fixing device for circular seam heating, heating system and heating method

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