TW201441562A - Electrothermal element - Google Patents
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本發明係有關於一種電熱元件，特別是指一種具有較高紅外線輻射率的電熱元件，其可作為空間電暖設備紅外線輻射源，特別是安裝於室內天花板或牆體。 The invention relates to an electric heating element, in particular to an electric heating element having a high infrared radiance, which can be used as an infrared radiation source for a space electric heating device, in particular to an indoor ceiling or wall.
電暖器是許多中高緯度國家所不可或缺的電器產品，甚至如台灣這樣的亞熱帶國家，冬天時仍需要這類電暖器增加室內溫度。目前市面上可見的電暖器產品，依其加熱方式區分，大致可分成空氣加熱式與輻射加熱式兩類。空氣加熱式電暖器主要是利用發熱體本身的高溫加熱周圍的空氣，再以自然對流方式或以風扇將熱空氣吹出，達到增加室內溫度的效果，例如陶瓷電暖器、葉片式電暖器、煤油爐電暖器等。輻射加熱式電暖器主要是利用發熱體本身會輻射紅外線的效果對照射區域的物體或人體進行加熱，例如石英管電暖器、碳素燈電暖器、鹵素燈電暖器等。 Electric heaters are indispensable for many medium and high latitude countries. Even in subtropical countries like Taiwan, such heaters are needed to increase indoor temperature in winter. At present, the electric heater products visible on the market are classified according to the heating method, and can be roughly classified into two types: air heating type and radiant heating type. Air-heated electric heaters mainly use the high temperature of the heating body to heat the surrounding air, and then blow out the hot air by natural convection or by a fan to increase the indoor temperature, such as ceramic electric heaters and vane electric heaters. , kerosene stove heaters, etc. The radiant heating type electric heater mainly uses the effect that the heating body itself radiates infrared rays to heat the object or the human body in the irradiation area, such as a quartz tube electric heater, a carbon lamp electric heater, a halogen lamp electric heater and the like.
然而空氣加熱式電暖器普遍都具有加熱速度慢的缺點，且通常較為耗電，部份產品會有耗氧與風扇噪音的問題；輻射加熱式電暖器雖然加熱速度快，但產品壽命通常較短，且耗氧度高故室內使用需注意通風問題。加上這類產品通常會發出紅光，夜間使用時將影響使用者睡眠。而不論是何種電暖器，目前幾乎都是無法配合室內裝潢且須放置在地面使用，因此不免都有妨礙美觀及佔用室內空間的缺點。 However, air-heated electric heaters generally have the disadvantage of slow heating speed, and usually consume more electricity. Some products have the problem of oxygen consumption and fan noise. Although the radiant heating electric heater has a fast heating speed, the product life is usually Shorter, and high oxygen consumption, indoor use should pay attention to ventilation problems. In addition, such products usually emit red light, which will affect the user's sleep during nighttime use. Regardless of the type of electric heater, it is almost impossible to match the interior decoration and must be placed on the ground. Therefore, it has the disadvantages of obstructing the appearance and occupying the indoor space.
為改善前述電暖器固有的加熱速度慢、耗氧、風扇噪音、佔用室內空間等問題，本發明提出一種電熱元件，其可快速加熱、不耗氧、無風扇噪音，且佔用室內空間少。該電熱元件主要包含有：一基板，係作為該電熱元件之結構主體，可選用片狀或板狀物體；一電熱層，其上設有電極，通電後可發熱並產生紅外線； 一反射層，可反射該紅外線，使該紅外線於該電熱元件的同一面輻射釋出；一輔助層，其具有高導熱的特性，可使電熱元件本身的熱能平均分佈，並將部分熱能轉化為紅外線輻射，增強電熱元件之紅外線輻射率。本發明所述之電熱元件，具有以下優點： In order to improve the inherent heating speed, oxygen consumption, fan noise, and occupation of indoor space, the present invention proposes an electric heating element which can quickly heat, consume no oxygen, has no fan noise, and occupies less indoor space. The electric heating element mainly comprises: a substrate, which is a structural main body of the electric heating element, and may be a sheet-like or plate-like object; an electric heating layer is provided with an electrode, which can generate heat and generate infrared rays after being energized; a reflective layer that reflects the infrared ray to cause the infrared ray to be radiated on the same surface of the electric heating element; an auxiliary layer having a high thermal conductivity, which can evenly distribute the thermal energy of the electric heating element and convert part of the thermal energy into Infrared radiation enhances the infrared radiance of the electric heating element. The electric heating element of the invention has the following advantages:
1.本發明之電熱元件係以紅外線輻射加熱人體或物體，與空氣加熱式電暖器相比具有快速增暖的優點。 1. The electric heating element of the present invention heats a human body or an object by infrared radiation, and has the advantage of rapid warming compared with an air-heated electric heater.
2.本發明之電熱元件不需要藉由風扇吹送暖風，因此無風扇噪音的問題。 2. The electric heating element of the present invention does not need to blow warm air by a fan, so there is no problem of fan noise.
3.相較於石英管、鹵素燈、碳素燈等傳統電熱管電暖器，本發明之電熱元件工作溫度較低，無耗氧問題，可延長使用壽命且無火源故安全性亦較高。 3. Compared with traditional electric heating tube heaters such as quartz tubes, halogen lamps, carbon lamps, etc., the electric heating element of the invention has a low operating temperature, no oxygen consumption problem, can prolong the service life and has no fire source, so the safety is also improved. high.
4.本發明之電熱元件運作時不發出可見光，於夜間使用時不影響使用者睡眠。 4. The electric heating element of the present invention does not emit visible light when it is in operation, and does not affect the user's sleep when used at night.
5.本發明之電熱元件是一薄片或薄板狀物體，可鑲嵌於天花板或安裝於牆面使用，相較於立在地面之傳統電暖器，僅需佔用極少室內空間。 5. The electric heating element of the present invention is a sheet or sheet-like object which can be embedded in a ceiling or mounted on a wall surface, and requires only a small amount of indoor space compared to a conventional electric heater standing on the ground.
6.紅外線具有促進人體血液循環、新陳代謝等效果，具有醫學上的應用價值，而本發明之電熱元件係以紅外線輻射為主，恰具有前述優點，因此本發明不侷限在寒冷季節使用。 6. Infrared rays have the effects of promoting blood circulation and metabolism of the human body, and have medical application value, and the electric heating element of the present invention mainly has infrared radiation, which has the aforementioned advantages, and therefore the present invention is not limited to use in the cold season.
7.本發明之電熱元件具有較高的紅外線輻射效率，亦即在相同紅外線輻射強度下，本發明的耗電量較低，具有省電的優點。 7. The electric heating element of the invention has high infrared radiation efficiency, that is, the power consumption of the invention is low under the same infrared radiation intensity, and has the advantages of power saving.
1‧‧‧電熱元件 1‧‧‧Electrical components
11‧‧‧電熱元件之第一表面 11‧‧‧The first surface of the heating element
12‧‧‧電熱元件之第二表面 12‧‧‧The second surface of the heating element
100‧‧‧基板 100‧‧‧Substrate
200‧‧‧電熱層 200‧‧‧Electrical layer
210‧‧‧電極 210‧‧‧ electrodes
220‧‧‧蝕刻圖案 220‧‧‧ etching pattern
300‧‧‧輔助層 300‧‧‧Auxiliary layer
400‧‧‧反射層 400‧‧‧reflective layer
410‧‧‧本質氧化鋅 410‧‧‧ Essential zinc oxide
420‧‧‧摻雜氧化鋅 420‧‧‧Doped zinc oxide
500‧‧‧保護層 500‧‧‧protection layer
600‧‧‧反射罩 600‧‧‧reflector
700‧‧‧膠合層 700‧‧ ‧ glue layer
800‧‧‧背板 800‧‧‧ Backplane
圖一 電熱元件結構側視圖 Figure 1 Side view of the electric heating element structure
圖二 電熱層俯視圖 Figure 2 Top view of the electric heating layer
圖三 由不同摻雜條件氧化鋅交替堆疊構成之透明反射層結構示意圖 Fig. 3 Schematic diagram of transparent reflective layer composed of alternately stacked zinc oxide with different doping conditions
圖四A電熱元件結構側視圖 Figure 4A Side view of the electric heating element structure
圖四B電熱元件結構側視圖 Figure 4B Side view of the electric heating element structure
圖四C電熱元件結構側視圖 Figure 4 C electric heating element structure side view
圖四D電熱元件結構側視圖 Figure 4 D electric heating element structure side view
圖五A 電熱元件結構側視圖 Figure 5A Side view of the structure of the electric heating element
圖五B 電熱元件結構側視圖 Figure 5B Side view of the structure of the electric heating element
以下實施例將進一步說明本發明的結構方式、技術特徵及功能。 The following embodiments will further illustrate the structure, technical features and functions of the present invention.
本發明的第一實施例如圖一所示，其具有一板狀或片狀基板100，該基板100材質可以是玻璃、微晶玻璃、陶瓷、碳纖維等材料。該基板100上被覆有反射層400，用以反射紅外線，該反射層400可以是金屬，例如金、銀、銅、鋁等導電率較高的金屬材質。該反射層400上被覆有一輔助層300，該輔助層300的功能是使熱能均勻分布，並將電熱元件1本身的部份熱量轉化為紅外線輻射，可協助降低該電熱元件1本身的溫度，減少電熱層200本身溫度所造成之質變不穩定性，並增加紅外線輻射率，以及阻隔該基板100或其他膜層中離子擴散至該電熱層200介面造成老化現象；該輔助層300具備高導熱與可輻射紅外線之特性，例如鑽石粉膜、鑽石薄膜、類鑽石薄膜、類鑽碳(DLC)薄膜等。該輔助層300上被覆有該電熱層200，通電後可發熱並輻射出紅外線，其材質為一可導電之金屬氧化物薄膜，例如氧化錫、氧化銦錫、氧化鋅等，請一併參考圖二。該電熱層200上有電極210供通電使用。前述該電熱層200之電阻值除了可以製程控制前述薄膜之電阻率與厚度外，另可於完成鍍膜後再以蝕刻方式在該電熱層200上產生蝕刻圖案220，形成一電氣線路佈局，藉以改變電熱層之電阻值。該電熱層200上另有一保護層500，根據材質的不同，其在可見光區域係可為透明亦或是不透明，其功能為阻絕該電熱層200與空氣之接觸，另可避免人體或其他導電物質與該電熱層200接觸而產生漏電風險；該保護層500材料可為高分子塑料，或是選用與輔助層同類材料，如鑽石粉膜、鑽石薄膜、類鑽石薄膜、類鑽碳薄膜等，使其同時具備該保護層500與該輔助層300之雙重功能。透過上述該電熱元件1的設計，該電熱層200經通電後可發熱並輻射出紅外線，而該輔助層300可使熱能均勻分布，並將該電熱元件1本身的部份熱能轉化為紅外線輻射，之後由該反射層400將紅外線反射，使多數的紅外線由該電熱元件之第一表面11釋出。因此本發明十分適合安裝於室內天花板、牆面等位置，使用上僅需占用極少的室內空間，甚 至可以整合於裝潢中。該電熱元件1本身溫度低，故不耗氧，且熱能以紅外線輻射形式釋放，可快速加熱照射區域，且不需搭配風扇因此無風扇噪音問題。 A first embodiment of the present invention, as shown in FIG. 1, has a plate or sheet substrate 100. The substrate 100 may be made of glass, glass ceramic, ceramic, carbon fiber or the like. The substrate 100 is covered with a reflective layer 400 for reflecting infrared rays. The reflective layer 400 may be a metal, such as a metal material having a high conductivity such as gold, silver, copper or aluminum. The reflective layer 400 is coated with an auxiliary layer 300. The function of the auxiliary layer 300 is to uniformly distribute thermal energy and convert part of the heat of the electric heating element 1 into infrared radiation, which can help reduce the temperature of the electric heating element 1 and reduce the temperature. The thermal instability caused by the temperature of the electrothermal layer 200 itself increases the infrared radiance and blocks the diffusion of ions in the substrate 100 or other film layers to the electrothermal layer 200 interface; the auxiliary layer 300 has high thermal conductivity and can be Characteristics of infrared radiation, such as diamond powder film, diamond film, diamond-like film, diamond-like carbon (DLC) film, etc. The auxiliary layer 300 is covered with the electrothermal layer 200. After being energized, it can generate heat and radiate infrared rays. The material is an electrically conductive metal oxide film, such as tin oxide, indium tin oxide, zinc oxide, etc., please refer to the figure. two. The electrothermal layer 200 has an electrode 210 for power application. In addition to the resistance value of the electrothermal layer 200, in addition to the process control of the resistivity and thickness of the film, an etching pattern 220 may be formed on the electrothermal layer 200 by etching after the coating is completed to form an electrical circuit layout, thereby changing The resistance value of the electrothermal layer. The electrothermal layer 200 further has a protective layer 500, which may be transparent or opaque in the visible light region according to different materials, and functions to block the contact between the electric heating layer 200 and the air, and avoid human body or other conductive substances. Contact with the electrothermal layer 200 to generate a risk of leakage; the material of the protective layer 500 may be a polymer plastic, or a material similar to the auxiliary layer, such as a diamond powder film, a diamond film, a diamond-like film, a diamond-like carbon film, etc. It has the dual function of the protective layer 500 and the auxiliary layer 300 at the same time. Through the design of the electric heating element 1 , the electric heating layer 200 can generate heat and radiate infrared rays after being energized, and the auxiliary layer 300 can uniformly distribute thermal energy, and convert part of the thermal energy of the electric heating element 1 into infrared radiation. The infrared rays are then reflected by the reflective layer 400 such that a large amount of infrared rays are released from the first surface 11 of the electric heating element. Therefore, the present invention is very suitable for installation in indoor ceilings, walls and the like, and requires only a small amount of indoor space to be used. It can be integrated into the decor. The electric heating element 1 itself has a low temperature, so it does not consume oxygen, and the thermal energy is released in the form of infrared radiation, which can quickly heat the irradiation area, and does not need to be matched with a fan, so there is no fan noise problem.
請參考圖三，本發明的第二實施例具有與第一實施例相同之結構(參考圖一)，但將其該反射層400替換為透明導電材料，如透明導電膜，包含氧化錫、氧化銦錫、氧化鋅等，此處選用氧化鋅薄膜。特別的是，由光學理論可知光線在行經不同折射率材質時，會在界面處產生反射，而不同摻雜量的氧化鋅對於紅外光恰具有不同的折射率。因此將不同摻雜量的氧化鋅(如：完全不摻雜的本質氧化鋅410與摻雜氧化鋅420)輪流堆疊成膜(如圖三所示)，可形成一於可見光區透明、於紅外光區高反射之透明反射膜。經替換該反射層400後，該電熱元件1可形成一在可見光區具有高透光率的電熱元件。 Referring to FIG. 3, the second embodiment of the present invention has the same structure as that of the first embodiment (refer to FIG. 1), but replaces the reflective layer 400 with a transparent conductive material, such as a transparent conductive film, containing tin oxide, and oxidizing. Indium tin, zinc oxide, etc., here a zinc oxide film is used. In particular, optical theory shows that when light passes through different refractive index materials, it will reflect at the interface, and different doping amounts of zinc oxide have different refractive indices for infrared light. Therefore, different doping amounts of zinc oxide (such as: completely undoped intrinsic zinc oxide 410 and doped zinc oxide 420) are alternately stacked to form a film (as shown in FIG. 3), which can form a transparent in the visible region and infra-red. A highly reflective transparent reflective film in the light zone. After replacing the reflective layer 400, the electric heating element 1 can form an electric heating element having high light transmittance in the visible light region.
本發明的第三實施例係以第一實施例結構(如圖一所示)為基礎，但進一步於該電熱元件之該第一表面11以印刷或貼附的方式形成一圖樣層(圖未示)，用以美化該電熱元件1外觀，使該電熱元件1安裝於天花板或牆面等室內空間時，便於與室內原有之設計搭配。該圖樣層進一步可以選用溫致變色材料，使該電熱元件1在運作時因本身溫度改變而使原本的顏色或圖樣產生變化，以提供運作指示、情境及感觀增效功能。當選用的圖樣層材料具備絕緣特性時，也可以該圖樣層直接取代保護層之功能。另外，當該電熱元件1在可見光區為透明時，該圖樣層亦可被覆於該電熱元件之第二表面12。 The third embodiment of the present invention is based on the structure of the first embodiment (shown in FIG. 1), but further forms a pattern layer on the first surface 11 of the electric heating element by printing or attaching. In order to beautify the appearance of the electric heating element 1, when the electric heating element 1 is mounted on an indoor space such as a ceiling or a wall surface, it is convenient to match the original design of the room. The pattern layer may further comprise a thermochromic material, so that the electric heating element 1 changes its original color or pattern due to its own temperature change during operation to provide operational indication, context and sensory synergistic functions. When the selected pattern layer material has insulating properties, the pattern layer can directly replace the function of the protective layer. In addition, when the electric heating element 1 is transparent in the visible light region, the pattern layer may also be coated on the second surface 12 of the electric heating element.
本發明的第四實施例如圖四A所示，其具有一板狀或片狀該基板100，該基板100可以是玻璃、微晶玻璃、陶瓷、碳纖維等材料。該基板100上被覆有該輔助層300，該輔助層300的功能是使熱能均勻分布，並將該電熱元件1本身的部份熱量轉化為紅外線輻射，可協助降低該電熱元件1本身的溫度，減少電熱膜本身溫度所造成之質變不穩定性，並增加紅外線輻射率，阻隔該基板100或其他膜層中離子擴散至該電熱層200介面造成老化現象；該輔助層300具備高導熱與可輻射紅外線之特性，例如鑽石粉膜、鑽石薄膜、類鑽石薄膜、類鑽碳(DLC)薄膜等。該輔助層300上被覆有該電熱層200，通電後可發熱並輻射出紅外線，其材質為一可導電之金 屬氧化物薄膜，例如氧化錫、氧化銦錫、氧化鋅等。該電熱層200上有該電極210供通電使用(參考圖二)，另外還可以有用來調整電阻大小的該蝕刻圖案220。該電熱層200上還被覆有該反射層400，用以反射紅外線，該反射層400可以是金屬，例如金、銀、銅、鋁等導電率較高的金屬材質；另外該該反射層400也可以是如實施例二所述之透明導電膜，用以製作於可見光區高透明之該電熱元件1。另外，該電熱元件1還包含一背板800，該背板800可以是玻璃、微晶玻璃、陶磁、碳纖維等材料，透過一膠合層700，如聚乙烯醇縮丁醛(PVB)、乙烯/醋酸乙烯酯共聚物(EVA)等，與已被覆有各膜層之該基板100進行膠合。此外，也可省略該背板800與該膠合層700，而代替以如實施例一所述之該保護層500。(如圖四B所示) A fourth embodiment of the present invention, as shown in FIG. 4A, has a plate or sheet of the substrate 100, and the substrate 100 may be a material such as glass, glass ceramic, ceramic, carbon fiber or the like. The substrate 100 is coated with the auxiliary layer 300. The function of the auxiliary layer 300 is to uniformly distribute thermal energy, and convert part of the heat of the electric heating element 1 into infrared radiation, which can help reduce the temperature of the electric heating element 1 itself. Reducing the quality instability caused by the temperature of the electrothermal film itself, and increasing the infrared radiance, blocking the diffusion of ions in the substrate 100 or other film layers to the interface of the electrothermal layer 200; the auxiliary layer 300 has high thermal conductivity and radiation Infrared characteristics such as diamond powder film, diamond film, diamond-like film, diamond-like carbon (DLC) film, etc. The auxiliary layer 300 is covered with the electrothermal layer 200. After being energized, it can generate heat and radiate infrared rays, and the material is a conductive gold. It is an oxide film such as tin oxide, indium tin oxide, zinc oxide or the like. The electrode layer 210 is electrically connected to the electrothermal layer 200 (refer to FIG. 2), and the etching pattern 220 for adjusting the size of the resistor may be further provided. The electrothermal layer 200 is further covered with the reflective layer 400 for reflecting infrared rays. The reflective layer 400 may be a metal, such as a metal material having a high conductivity such as gold, silver, copper or aluminum; and the reflective layer 400 is also It may be a transparent conductive film as described in the second embodiment for fabricating the electric heating element 1 which is highly transparent in the visible light region. In addition, the heating element 1 further includes a backing plate 800, which may be glass, glass ceramic, ceramic, carbon fiber, etc., through a bonding layer 700, such as polyvinyl butyral (PVB), ethylene / A vinyl acetate copolymer (EVA) or the like is bonded to the substrate 100 to which each film layer has been coated. In addition, the backing plate 800 and the bonding layer 700 may be omitted instead of the protective layer 500 as described in the first embodiment. (as shown in Figure 4B)
本發明的第五實施例如圖四C所示，其結構大致與實施例四相似，但該輔助層300被覆於該基板100的第一表面11，由於該輔助層300材質係選自如鑽石粉膜、鑽石薄膜、類鑽石薄膜、類鑽碳(DLC)薄膜等高硬度薄膜，因此除了原本降低溫度、均勻熱能、均勻輻射與增加輻射率之功能外，此處的該輔助層300還具有保護該基板100表面的功能。此外，也可省略該背板800與該膠合層700，而代替以如實施例一所述之該保護層500。(如圖四D所示) The fifth embodiment of the present invention is as shown in FIG. 4C, and its structure is substantially similar to that of the fourth embodiment, but the auxiliary layer 300 is coated on the first surface 11 of the substrate 100, since the auxiliary layer 300 is selected from a diamond film. High-hardness film such as diamond film, diamond-like film, diamond-like carbon (DLC) film, etc., therefore, the auxiliary layer 300 here has protection in addition to the functions of lowering temperature, uniform heat energy, uniform radiation and increasing emissivity. The function of the surface of the substrate 100. In addition, the backing plate 800 and the bonding layer 700 may be omitted instead of the protective layer 500 as described in the first embodiment. (as shown in Figure 4D)
本發明之第六實施例係以第四、五實施例之結構(參考圖四A、B、C、D)為基礎，但進一步於該電熱元件之第一表面11以印刷或貼附的方式形成一圖樣層(圖未示)，用以美化該電熱元件1外觀，使該電熱元件1安裝於天花板或牆面等室內空間時，便於與室內原有之設計搭配。該圖樣層進一步可以選用溫致變色材料，使該電熱元件1在運作時因本身溫度改變而使原本的顏色或圖樣產生變化，以提供運作指示、情境及感觀增效功能。另外，當電熱元件在可見光區為透明時，該圖樣層亦可被覆於該電熱元件之第二表面12。 The sixth embodiment of the present invention is based on the structures of the fourth and fifth embodiments (refer to FIGS. 4A, B, C, and D), but further in the manner of printing or attaching to the first surface 11 of the electric heating element. A pattern layer (not shown) is formed to beautify the appearance of the electric heating element 1, and when the electric heating element 1 is installed in an indoor space such as a ceiling or a wall surface, it is convenient to match the original design of the room. The pattern layer may further comprise a thermochromic material, so that the electric heating element 1 changes its original color or pattern due to its own temperature change during operation to provide operational indication, context and sensory synergistic functions. In addition, the pattern layer may also be coated on the second surface 12 of the heating element when the heating element is transparent in the visible region.
本發明之第七實施例如圖五A所示，該基板100上被覆有該輔助層300、該電熱層200與反射罩600。其中該反射罩600可使用一金屬板材或是一金屬罩體，或是一內側鍍有金屬膜之罩體，該該反射罩600之功能係用以反射紅外線，並兼具保護功能。該反射罩600所使用之金屬材質，可以是高導電率金屬，如金、銀、銅、鋁等。更進一步的，該輔助 層300可被覆於該電熱元件之第一表面11(如圖五B所示)，由於該輔助層300材質係選自如鑽石粉膜、鑽石薄膜、類鑽石薄膜、類鑽碳(DLC)薄膜等高硬度薄膜，因此除了原本降低溫度、均勻熱能、均勻輻射與增加輻射率之功能外，此處的該輔助層300還具有保護該基板100表面的功能。更進一步的，可於該電熱元件之第一表面11以印刷或貼附的方式形成一圖樣層，用以美化該電熱元件1外觀，使該電熱元件1安裝於天花板或牆面等室內空間時，便於與室內原有之設計搭配。該圖樣層進一步可以選用溫致變色材料，使該電熱元件1在運作時因本身溫度改變而使原本的顏色或圖樣產生變化，以提供運作指示、情境及感觀增效功能。 According to a seventh embodiment of the present invention, as shown in FIG. 5A, the substrate 100 is covered with the auxiliary layer 300, the electrothermal layer 200, and the reflection cover 600. The reflector 600 can use a metal plate or a metal cover, or a cover plate with a metal film on the inner side. The function of the reflector 600 is to reflect infrared rays and have a protective function. The metal material used for the reflector 600 may be a high conductivity metal such as gold, silver, copper, aluminum or the like. Further, the auxiliary The layer 300 can be coated on the first surface 11 of the electric heating element (as shown in FIG. 5B), since the auxiliary layer 300 is selected from the group consisting of diamond powder film, diamond film, diamond-like film, diamond-like carbon (DLC) film, etc. The high hardness film, in addition to the function of lowering the temperature, uniform heat energy, uniform radiation and increasing the emissivity, the auxiliary layer 300 herein also has the function of protecting the surface of the substrate 100. Further, a pattern layer may be formed on the first surface 11 of the heating element by printing or attaching to beautify the appearance of the electric heating element 1 when the electric heating element 1 is installed in an indoor space such as a ceiling or a wall. It is easy to match the original design of the room. The pattern layer may further comprise a thermochromic material, so that the electric heating element 1 changes its original color or pattern due to its own temperature change during operation to provide operational indication, context and sensory synergistic functions.
以上實施例僅為說明本發明之實施方式與功效，非用以限制本發明之範圍。凡將上述實施例做等效之改變，或將上述實施例進行顯而易見之組合，其仍不脫離本發明之精神，而仍為本發明之保護範圍。 The above embodiments are merely illustrative of the embodiments and functions of the present invention and are not intended to limit the scope of the present invention. It is still within the scope of the present invention to make the equivalents of the above-described embodiments, or the combination of the above-described embodiments, without departing from the spirit of the invention.
1‧‧‧電熱元件 1‧‧‧Electrical components
11‧‧‧電熱元件之第一表面 11‧‧‧The first surface of the heating element
12‧‧‧電熱元件之第二表面 12‧‧‧The second surface of the heating element
100‧‧‧基板 100‧‧‧Substrate
200‧‧‧電熱層 200‧‧‧Electrical layer
300‧‧‧輔助層 300‧‧‧Auxiliary layer
400‧‧‧反射層 400‧‧‧reflective layer
500‧‧‧保護層 500‧‧‧protection layer
Claims (12)
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| TW102113945A TW201441562A (en) | 2013-04-19 | 2013-04-19 | Electrothermal element |
| CN201310160916.9A CN104113942A (en) | 2013-04-19 | 2013-05-03 | Electric heating assembly |
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| TW102113945A TW201441562A (en) | 2013-04-19 | 2013-04-19 | Electrothermal element |
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| CN107277948B (en) * | 2017-05-03 | 2021-01-22 | 东莞市宏阳热能科技有限公司 | Far infrared composite resin heating substrate, preparation method and application thereof |
| CN107979880A (en) * | 2017-12-19 | 2018-05-01 | 广东美的厨房电器制造有限公司 | Thick film heating plate and there is its electric steam box |
| CN112963130A (en) * | 2021-04-19 | 2021-06-15 | 西南石油大学 | Oil gas downhole microcrystalline electrothermal film heating device and method |
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| CN1032783C (en) * | 1991-12-29 | 1996-09-11 | 中国科学院新疆化学研究所 | Electric heating film |
| KR101378881B1 (en) * | 2007-07-20 | 2014-03-28 | 엘지전자 주식회사 | Electric heater |
| CN101636005B (en) * | 2008-07-25 | 2012-07-18 | 清华大学 | Plane heat source |
| JP2010222233A (en) * | 2009-02-27 | 2010-10-07 | Central Glass Co Ltd | Heat insulating laminated glass |
| TWM431193U (en) * | 2011-12-28 | 2012-06-11 | Huge Green Group Internat Co Ltd | Compound multifunctional heating device |
| CN102917534A (en) * | 2012-10-24 | 2013-02-06 | 星弧涂层科技(苏州工业园区)有限公司 | DLC (Diamond like Carbon) thin film coating-based ceramic substrate |
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