JPH04129495U - Vehicle window glass defogging device - Google Patents
Vehicle window glass defogging deviceInfo
- Publication number
- JPH04129495U JPH04129495U JP4469091U JP4469091U JPH04129495U JP H04129495 U JPH04129495 U JP H04129495U JP 4469091 U JP4469091 U JP 4469091U JP 4469091 U JP4469091 U JP 4469091U JP H04129495 U JPH04129495 U JP H04129495U
- Authority
- JP
- Japan
- Prior art keywords
- window glass
- vehicle window
- heating element
- element layer
- defogging device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000005357 flat glass Substances 0.000 title claims abstract description 48
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 230000000694 effects Effects 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 239000005038 ethylene vinyl acetate Substances 0.000 description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 3
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 2
- JTXMVXSTHSMVQF-UHFFFAOYSA-N 2-acetyloxyethyl acetate Chemical compound CC(=O)OCCOC(C)=O JTXMVXSTHSMVQF-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- -1 i.e. Polymers 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Landscapes
- Surface Heating Bodies (AREA)
- Resistance Heating (AREA)
Abstract
(57)【要約】 (修正有)
【目的】乗物用窓ガラスに水滴あるいは氷滴が付着して
発生した曇を除去する。
【構成】正温度特性をもつ発熱体層(11)に対して電極層
(12A,12B) を配設して作成した面状発熱体を、乗物用窓
ガラスの内部もしくは表面に対して配設する。
【効果】乗物用窓ガラスの曇除去を瞬時に開始可能とで
き、また乗物用窓ガラスの曇を短時間で除去可能とで
き、ひいては乗物用窓ガラスの視界を実質的に瞬時かつ
十分に確保できる。
(57) [Summary] (with amendments) [Purpose] To remove fog caused by water or ice droplets adhering to vehicle window glass. [Structure] Electrode layer for heating element layer (11) with positive temperature characteristics
A planar heating element prepared by disposing (12A, 12B) is disposed inside or on the surface of a vehicle window glass. [Effect] It is possible to start defogging the vehicle window glass instantly, it is also possible to remove the fog from the vehicle window glass in a short time, and the visibility of the vehicle window glass is substantially instantaneously and sufficiently secured. can.
Description
【0001】0001
【0002】0002
本考案は、自動車,航空機あるいは船舶などの乗物の窓に配設されている乗物 用窓ガラスの曇除去装置に関し、特に、正温度特性の発熱体層を有する面状発熱 体を乗物用窓ガラスの内部もしくは表面に対して配設してなる乗物用窓ガラスの 曇除去装置に関するものである。 This invention is applicable to vehicle windows installed in the windows of vehicles such as automobiles, aircraft, and ships. Regarding the fog removal device for window glass, in particular, the sheet heat generating device has a heating layer with positive temperature characteristics. A vehicle window glass in which the body is arranged inside or on the surface of the vehicle window glass. The present invention relates to a defogging device.
【0003】0003
従来、この種の乗物用窓ガラスの曇除去装置としては、自動車などの乗物用窓 ガラスに水滴あるいは氷滴が付着して曇が発生したとき、エンジン冷却水のもつ 予熱を利用して暖気を発生せしめ、乗物用窓ガラス(いわゆる“フロントガラス ”など)の室内側表面に吹き付けてなるものが提案されていた。 Conventionally, this type of vehicle window glass defogging device has been used to remove fogging from vehicle windows such as automobiles. When water or ice droplets adhere to the glass and cause fogging, the engine coolant may Preheating is used to generate warm air, and vehicle window glass (so-called "windshield" ”, etc.) was proposed by spraying it on the indoor surface.
【0004】0004
しかしながら、従来の乗物用窓ガラスの曇除去装置では、(i) エンジンの始動 時に曇を除去しようとする場合、暖気が発生し始めるまでに長時間を要していた ので、視界を長時間にわたって確保できない欠点があり、また(ii)暖気が乗物用 窓ガラスの室内側表面にそって上昇していたので、その下部が曇ったまま放置さ れ、視界を確保できない欠点があった。 However, with conventional vehicle window glass defogging devices, (i) Sometimes, when trying to remove fog, it took a long time for warm air to start forming. Therefore, there is a disadvantage that visibility cannot be secured for a long time, and (ii) warm air cannot be used for vehicles. It was rising along the indoor surface of the window glass, so the lower part was left foggy. This had the disadvantage that visibility could not be secured.
【0005】 そこで、本考案は、これらの欠点を除去するために、乗物用窓ガラスの内部も しくは表面に対して正温度特性の発熱体層を有する面状発熱体を配設してなる乗 物用窓ガラスの曇除去装置を提供せんとするものである。[0005] Therefore, in order to eliminate these drawbacks, the present invention has been developed to improve the interior of vehicle window glass. Alternatively, a heating element formed by disposing a sheet heating element having a heating element layer with positive temperature characteristics on the surface. It is an object of the present invention to provide a defogging device for window glass for commercial purposes.
【0006】[0006]
【0007】[0007]
本考案により提供される問題点の解決手段は、 「正温度特性をもつ発熱体層(11)に対して電極層(12A,12B) を配設して作成 した面状発熱体を乗物用窓ガラスの内部もしくは表面に対して配設してなる 乗物用窓ガラスの曇除去装置」 である。 The solution to the problem provided by this invention is: ``Created by arranging electrode layers (12A, 12B) against the heating element layer (11) with positive temperature characteristics. A sheet heating element is arranged inside or on the surface of a vehicle window glass. “Vehicle window glass defogging device” It is.
【0008】[0008]
本考案にかかる乗物用窓ガラスの曇除去装置は、上述の[問題点の解決手段] の欄に明示したごとく、正温度特性をもつ発熱体層に対して電極層を配設して作 成した面状発熱体を乗物用窓ガラスの内部もしくは表面に対して配設しているの で、 (i) 乗物用窓ガラスの曇除去を瞬時に開始可能とする作用 をなし、また (ii) 乗物用窓ガラスの曇を短時間で除去可能とする作用 をなし、ひいては (iii) 乗物用窓ガラスの視界を実質的に瞬時かつ十分に確保する作用 をなす。 The vehicle window glass defogging device according to the present invention has the above-mentioned [means for solving the problem] As clearly indicated in the column, the electrode layer is arranged on the heating element layer with positive temperature characteristics. The sheet heating element formed by the heating element is placed inside or on the surface of the vehicle window glass. in, (i) A function that enables instant defogging of vehicle window glass. and also (ii) Ability to remove fog from vehicle window glass in a short time and in turn (iii) The effect of ensuring substantially instantaneous and sufficient visibility through vehicle window glass. to do.
【0009】[0009]
次に、本考案にかかる乗物用窓ガラスの曇除去装置について、その好ましい実 施例を挙げ、添付図面を参照しつつ、具体的に説明する。 Next, we will discuss the preferred implementation of the vehicle window glass defogging device according to the present invention. The present invention will be specifically explained by giving examples and referring to the accompanying drawings.
【0010】 しかしながら、以下に説明する実施例は、本考案の理解を容易化ないし促進化 するために記載されるものであって、本考案を限定するために記載されるもので はない。0010 However, the embodiments described below may facilitate or facilitate understanding of the present invention. This information is described for the purpose of limiting the scope of this invention. There isn't.
【0011】 換言すれば、以下に説明される実施例において開示される各要素は、本考案の 精神ならびに技術的範囲に属する全ての設計変更ならびに均等物置換を含むもの である。[0011] In other words, each element disclosed in the embodiments described below corresponds to the present invention. Including all design changes and equivalent substitutions within the spirit and technical scope. It is.
【0012】(添付図面の説明) (Description of attached drawings)
【0013】 図1は、本考案にかかる乗物用窓ガラスの曇除去装置の一実施例を示すための I−I線にそった断面図である。[0013] FIG. 1 shows an embodiment of a vehicle window glass defogging device according to the present invention. It is a sectional view along the II line.
【0014】 図2は、図1に示した実施例のII−II線にそった断面図である。[0014] FIG. 2 is a sectional view taken along line II--II of the embodiment shown in FIG.
【0015】 図3は、図1に示した実施例の配置状態の一例を示すための正面図である。[0015] FIG. 3 is a front view showing an example of the arrangement of the embodiment shown in FIG.
【0016】(実施例の構成) (Configuration of Example)
【0017】 まず、図1ないし図3を参照しつつ、本考案にかかる乗物用窓ガラスの曇除去 装置の一実施例について、その構成を詳細に説明する。[0017] First, with reference to FIGS. 1 to 3, the defogging of vehicle window glass according to the present invention will be explained. The configuration of an embodiment of the device will be described in detail.
【0018】 10は、本考案にかかる乗物用窓ガラスの曇除去装置であって、 EVA樹脂(すな わちエチレンビニルアセテート樹脂)もしくは EAA樹脂 (すなわちエチレンアク リル酸エステル樹脂) などの結晶性の熱可塑性樹脂に炭素粉末などの導電性材料 を適当量だけ配合せしめて作成された正温度特性をもつ発熱体層11と、発熱体層 11の表面上に銅箔などを熱圧着などによって配設して形成された電極層12A,12B と、周囲部材との電気絶縁を確保する目的で電極層12A,12B および発熱体層11の 表面を被覆するように配設されておりポリエステルフィルムなどによって形成さ れた絶縁フィルム13と、絶縁フィルム13の一面に配置されており乗物用窓ガラス 20 の表面 (特に室内側表面の下部が好ましい) に貼着するための両面接着体14と を備えている。ここで、発熱体層11と電極層12A,12B と絶縁フィルム13とは、全 体として可撓性の面状発熱体を構成している。また、発熱体層11は、乗物用窓ガ ラス20の全幅に相当する長さと、5〜8cmの幅とを有していることが好ましい。[0018] Tenis a vehicle window glass defogging device according to the present invention, which is made of EVA resin (e.g. i.e., ethylene vinyl acetate resin) or EAA resin (i.e., ethylene acetate resin) or EAA resin (i.e., ethylene vinyl acetate resin) Conductive materials such as carbon powder on crystalline thermoplastic resins such as lyric acid ester resins) A heating element layer 11 with positive temperature characteristics created by blending an appropriate amount of Electrode layers 12A and 12B formed by placing copper foil etc. on the surface of 11 by thermocompression bonding etc. and electrode layers 12A, 12B and heating element layer 11 for the purpose of ensuring electrical insulation with surrounding members. It is arranged to cover the surface and is made of polyester film etc. The insulating film 13 is placed on one side of the insulating film 13 and is used for vehicle window glass. 20 double-sided adhesive 14 for adhering to the surface (especially preferably the lower part of the indoor surface). It is equipped with Here, the heating element layer 11, the electrode layers 12A, 12B, and the insulating film 13 are all The body constitutes a flexible planar heating element. Further, the heating element layer 11 is a vehicle window glass. Russ20It is preferable to have a length corresponding to the full width of , and a width of 5 to 8 cm.
【0019】 正温度特性をもつ発熱体層11のキュリー温度は、60〜80℃であることが好まし い。この根拠は、(i) キュリー温度が60℃未満となると、乗物用窓ガラス20の温 度が曇防止に必要な温度(55〜60℃)未満となり、曇除去速度が低下してしまい 、曇除去に長時間を要するためであり、また(ii)キュリー温度が80℃を超えると 、乗物用窓ガラス20が破損される虞があるためである。The Curie temperature of the heating element layer 11 having positive temperature characteristics is preferably 60 to 80°C. The basis for this is (i) When the Curie temperature is less than 60°C, the temperature of the vehicle window glass 20 becomes less than the temperature required to prevent fogging (55 to 60°C), and the fog removal speed decreases. (ii) If the Curie temperature exceeds 80° C., the vehicle window glass 20 may be damaged.
【0020】 加えて、本考案にかかる乗物用窓ガラスの曇除去装置10は、一端部が絶縁フィ ルム13を貫通したのち電極層12A,12B の表面に接着されかつ他端部が適宜の電源 に接続されており電極層12A,12B に対して適宜の電源から直接もしくはスイッチ (図示せず)を介して電力を供給するためのリード線15A,15B を備えている。こ こで、リード線15A,15B は、シリコンなどでできた接着剤で絶縁フィルム13の表 面に固定されている (固定部を“16A,16B ”で示す) 。In addition, the vehicle window glass defogging device 10 according to the present invention has one end that penetrates the insulating film 13 and is then adhered to the surface of the electrode layers 12A, 12B, and the other end that is connected to an appropriate power source. Lead wires 15A, 15B are connected to the electrode layers 12A, 12B for supplying power from an appropriate power supply directly or via a switch (not shown). Here, the lead wires 15A, 15B are fixed to the surface of the insulating film 13 with an adhesive made of silicon or the like (the fixed portions are indicated by "16A, 16B").
【0021】(実施例の作用) (Effect of Example)
【0022】 更に、図1ないし図3を参照しつつ、本考案にかかる乗物用窓ガラスの曇除去 装置の一実施例について、その作用を詳細に説明する。[0022] Furthermore, with reference to FIGS. 1 to 3, the method for defogging a vehicle window glass according to the present invention The operation of one embodiment of the device will be described in detail.
【0023】 リード線15A,15B を介して適宜の電源から電極層12A,12B に対し適宜の電力を 供給する。電極層12A,12B の間では、発熱体層11を介して電流が流れるので、発 熱体層11が発熱を開始する。[0023] Appropriate power is applied to the electrode layers 12A, 12B from an appropriate power source via the lead wires 15A, 15B. supply Since current flows between the electrode layers 12A and 12B via the heating element layer 11, no electricity is generated. The heating layer 11 starts generating heat.
【0024】 発熱体層11は、正温度特性をもつので、低温度領域(すなわちキュリー温度未 満の温度領域)で抵抗値が小さく、大きな電流が流れ、十分に発熱する。このた め、発熱体層11の温度は、急速に上昇する。[0024] Since the heating element layer 11 has positive temperature characteristics, it can be used in a low temperature region (that is, below the Curie temperature The resistance value is small, a large current flows, and sufficient heat is generated in the temperature range below 100%. others Therefore, the temperature of the heating element layer 11 rises rapidly.
【0025】 発熱体層11の温度が上昇してキュリー温度に到達すると、その抵抗値が急激に 大きくなるので、電流が急激に減少し、発熱量が減る。このため、発熱体層11の 温度は、降下し始める。[0025] When the temperature of the heating element layer 11 rises and reaches the Curie temperature, its resistance value suddenly increases. As it becomes larger, the current decreases rapidly and the amount of heat generated decreases. For this reason, the heating element layer 11 The temperature begins to drop.
【0026】 発熱体層11の温度が降下してキュリー温度未満の温度となると、その抵抗値が 再び小さくなるので、電流が増大し、発熱量が増える。このため、発熱体層11の 温度は、上昇する。[0026] When the temperature of the heating element layer 11 falls below the Curie temperature, its resistance value decreases. As it becomes smaller again, the current increases and the amount of heat generated increases. For this reason, the heating element layer 11 The temperature rises.
【0027】 したがって、発熱体層11は、実質的に温度をキュリー温度に保持できる。[0027] Therefore, the heating element layer 11 can maintain the temperature substantially at the Curie temperature.
【0028】 発熱体層11の発熱によって発生された熱は、絶縁フィルム13および両面接着体 14を介して乗物用窓ガラス20の表面に与えられる。Heat generated by the heat generating layer 11 is applied to the surface of the vehicle window glass 20 via the insulating film 13 and the double-sided adhesive 14.
【0029】 これにより、本考案によれば、乗物用窓ガラス20の温度が短時間のうちに上昇 し、その表面に付着した微小な水滴あるいは氷滴を短時間のうちに蒸発せしめる ことができ、曇を短時間のうちに除去できる。結果的に、本考案によれば、乗物 用窓ガラスの視界を実質的に瞬時かつ十分に確保でき、運転上の安全を確保でき る。[0029]Thus, according to the present invention, the temperature of the vehicle window glass 20 rises in a short time, and minute water droplets or ice droplets adhering to its surface can be evaporated in a short time. , fog can be removed in a short time. As a result, according to the present invention, visibility through the vehicle window glass can be substantially instantaneously and sufficiently ensured, and driving safety can be ensured.
【0030】(変形例) (Modification)
【0031】 なお、上述では、曇除去装置10が乗物用窓ガラス20の表面に配置される場合に ついてのみ説明したが、本考案は、これに限定されるものではなく、曇除去装置 が乗物用窓ガラスの内部 (特に内部の下部) に配設される場合も包摂している。 この場合には、両面接着体を除去してもよく、更には絶縁フィルムも除去してよ い。[0031] In the above description, only the case where the defogging device 10 is disposed on the surface of the vehicle window glass 20 has been described, but the present invention is not limited to this, and the defogging device is disposed on the surface of the vehicle window glass 20. It also includes cases where it is placed inside the window glass (especially at the bottom of the inside). In this case, the double-sided adhesive body may be removed, and furthermore, the insulating film may also be removed.
【0032】 また、電極層12A,12B が発熱体層11の表面上に配設されている場合についての み説明したが、本考案は、これに限定されるものではなく、電極層12A,12B が発 熱体層11の内部に配置されている場合も包摂している。この場合は、絶縁フィル ム13は、発熱体層11の表面にのみ配設される。[0032] Also, regarding the case where the electrode layers 12A and 12B are arranged on the surface of the heating element layer 11, However, the present invention is not limited to this, and the electrode layers 12A and 12B may emit light. The case where it is arranged inside the heating body layer 11 is also included. In this case, the insulation film The heating element layer 13 is provided only on the surface of the heating element layer 11.
【0033】[0033]
上述より明らかなように、本考案にかかる乗物用窓ガラスの曇防止装置は、[ 問題点の解決手段]の欄に明示したごとく、正温度特性をもつ発熱体層に対して 電極層を配設して作成した面状発熱体を乗物用窓ガラスの内部もしくは表面に対 して配設しているので、 (i) 乗物用窓ガラスの曇除去を瞬時に開始できる効果 を有し、また (ii) 乗物用窓ガラスの曇を短時間で除去できる効果 を有し、ひいては (iii) 乗物用窓ガラスの視界を実質的に瞬時かつ十分に確保できる効果 を有する。 As is clear from the above, the vehicle window glass anti-fogging device according to the present invention has the following features: As clearly stated in the section ``Measures for solving problems'', for the heating element layer with positive temperature characteristics, A sheet heating element prepared by disposing an electrode layer is attached to the inside or surface of a vehicle window glass. Since it is arranged as follows, (i) Effect of instantly starting defogging of vehicle window glass and also (ii) Effect of removing fog from vehicle window glass in a short time and, in turn, (iii) The effect of ensuring substantially instantaneous and sufficient visibility through vehicle window glass. has.
【図1】本考案にかかる乗物用窓ガラスの曇除去装置の
一実施例を示すためのI−I線にそった断面図である。FIG. 1 is a sectional view taken along line II to show an embodiment of a vehicle window glass defogging device according to the present invention.
【図2】図1に示した実施例のII−II線にそった断面図
である。FIG. 2 is a sectional view taken along line II-II of the embodiment shown in FIG. 1;
【図3】図1に示した実施例の配置状態の一例を示すた
めの正面図である。FIG. 3 is a front view showing an example of the arrangement of the embodiment shown in FIG. 1;
【符号の説明】10・・・・・・・・・・・・・・・・ 乗物用窓ガラスの曇除去装置 11・・・・・・・・・・・・・・発熱体層 12A,12B ・・・・・・・・電極層 13・・・・・・・・・・・・・・絶縁フィルム 14・・・・・・・・・・・・・・両面接着体 15A,15B ・・・・・・・・リード線 16A,16B ・・・・・・・・固定部20・・・・・・・・・・・・・・・・ 乗物用窓ガラス[Explanation of symbols] 10・・・・・・・・・・・・ Vehicle window glass defogging device 11・・・・・・・・・・・・Heating layer 12A, 12B ...... Electrode layer 13 ... Insulating film 14 ...... Double-sided adhesive 15A, 15B ・......Lead wires 16A, 16B ...Fixing part 20 ...... Vehicle window glass
Claims (1)
極層(12A,12B) を配設して作成した面状発熱体を乗物用
窓ガラスの内部もしくは表面に対して配設してなる乗物
用窓ガラスの曇除去装置。Claim 1: A planar heating element prepared by disposing electrode layers (12A, 12B) on a heating element layer (11) having positive temperature characteristics is placed inside or on the surface of a vehicle window glass. A device for removing fog from vehicle window glass.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4469091U JPH04129495U (en) | 1991-05-17 | 1991-05-17 | Vehicle window glass defogging device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4469091U JPH04129495U (en) | 1991-05-17 | 1991-05-17 | Vehicle window glass defogging device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH04129495U true JPH04129495U (en) | 1992-11-26 |
Family
ID=31924743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4469091U Pending JPH04129495U (en) | 1991-05-17 | 1991-05-17 | Vehicle window glass defogging device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH04129495U (en) |
-
1991
- 1991-05-17 JP JP4469091U patent/JPH04129495U/en active Pending
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