JP2010064681A - Heating device for vehicle - Google Patents

Heating device for vehicle Download PDF

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Publication number
JP2010064681A
JP2010064681A JP2008234703A JP2008234703A JP2010064681A JP 2010064681 A JP2010064681 A JP 2010064681A JP 2008234703 A JP2008234703 A JP 2008234703A JP 2008234703 A JP2008234703 A JP 2008234703A JP 2010064681 A JP2010064681 A JP 2010064681A
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Prior art keywords
heating element
vehicle
occupant
planar heating
foot
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Japanese (ja)
Inventor
Hiroyuki Ogino
弘之 荻野
Norio Abe
憲生 阿部
Kazuaki Hioki
一昭 日置
Koji Yoshimoto
弘次 吉本
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Panasonic Corp
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Panasonic Corp
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Priority to JP2008234703A priority Critical patent/JP2010064681A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
    • B60H1/2226—Electric heaters using radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
    • B60H1/2227—Electric heaters incorporated in vehicle trim components, e.g. panels or linings

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a heating device for a vehicle from which an occupant can obtain warm feeling at the whole feet even when wearing trousers. <P>SOLUTION: When a sheet heating element 2 is electrified, a place P2 corresponding to a foot part becomes higher than a place P1 corresponding to a knee part in Fig.1 in the surface temperature of an instrument panel as a radiation surface, because wiring density of heater wires in a place corresponding to the foot part side is increased to make heat generation density higher than the knee part of the occupant. Thereby, since greater radiation heat is applied to the knee part side than the foot part side of the occupant, the radiation heat becomes easy to be transmitted even to a skin of the shin part through trousers, and the heated feeling of the shin part can be improved. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、例えば車両の室内を暖房する車両用の暖房装置に関する。   The present invention relates to a vehicle heating device that heats the interior of a vehicle, for example.

従来、この種の車両用暖房装置運転席の乗員の膝部側方のセンターコンソールや車室内壁にハロゲンランプからなる輻射ヒータを配設し、乗員の膝部側方から輻射熱を照射するようになっていた（例えば特許文献１参照）。
特開２００６−２２４８１３号公報 Conventionally, a radiant heater made of a halogen lamp is provided on the center console on the side of the occupant's knee in the driver's seat of this type of vehicle heating system or on the vehicle interior wall so that radiant heat is emitted from the side of the occupant's knee (For example, refer to Patent Document 1).
JP 2006-224813 A

ところが、上記従来技術では、乗員がズボンを着用して着座している場合、膝部ではズボンと皮膚が接触しているので、輻射による熱がズボンを介して皮膚に伝わり易いが、スネの部分はズボンと皮膚が離れていることが多く、輻射による熱がズボンを介して皮膚に伝わり難く、スネの部分が寒いといった課題があった。   However, in the above prior art, when the occupant is seated wearing trousers, the trousers and the skin are in contact with each other at the knee, so heat from radiation is easily transmitted to the skin through the trousers. In many cases, the pants and the skin are separated from each other, the heat from radiation is difficult to be transmitted to the skin through the pants, and the shin portion is cold.

また、乗員の体格や座席の位置によって、輻射ヒータと足元との距離が変化するので、例えば、足の長い人の場合は、輻射ヒータと足元との距離が長くなり、暖感を得るのに十分な輻射が得られないといった課題があった。   In addition, the distance between the radiant heater and the feet changes depending on the physique of the occupant and the position of the seat.For example, in the case of a person with long legs, the distance between the radiant heater and the feet becomes long, and a warm feeling is obtained. There was a problem that sufficient radiation could not be obtained.

本発明は上記状況に鑑みてなされたもので、乗員がズボンを着用していても足元全体で暖感を得られる車両用暖房装置を提供することを目的とする。また、乗員の体格や座席位置にかかわらず、十分な足元の暖感を得られる車両用暖房装置を提供することを目的とする。   This invention is made | formed in view of the said condition, and it aims at providing the heating apparatus for vehicles which can obtain a warm feeling in the whole leg | foot, even if the passenger | crew wears pants. It is another object of the present invention to provide a vehicle heating device that can obtain a sufficient foot warmth regardless of the occupant's physique and seat position.

前記従来の課題を解決するために、本発明に係る車両用暖房装置は、車室内の内装具に面状発熱体を配設して車室内を暖房する車両用暖房装置であって、前記面状発熱体は座席に着座した乗員の膝部から足部の少なくとも一部に対応した場所に配設され、膝部側よりも足部側に対応した場所の前記面状発熱体の発熱密度を高くした。   In order to solve the above-described conventional problems, a vehicle heating apparatus according to the present invention is a vehicle heating apparatus that heats a vehicle interior by disposing a planar heating element on an interior fixture in the vehicle interior. The heating element is disposed at a location corresponding to at least a part of the foot from the knee of the occupant seated on the seat, and the heat generation density of the planar heating element at a location corresponding to the foot rather than the knee is increased. It was expensive.

本発明の車両用暖房装置は、膝部側よりも足部側に対応した場所の前記面状発熱体の発熱密度を高くしたので、膝部側よりも足部側により大きな輻射熱が印加されるので、スネ部でも輻射熱がズボンを介して皮膚に伝わり易くなり、スネの部分の暖房感が向上するといった効果がある。   In the vehicle heating device of the present invention, the heat generation density of the planar heating element in the place corresponding to the foot side is higher than that of the knee side, so that a larger radiant heat is applied to the foot side than to the knee side. Therefore, the radiant heat is easily transmitted to the skin through the pants even at the shin portion, and the effect of improving the heating feeling of the shin portion is obtained.

第１の発明は、車室内の内装具に面状発熱体を配設して車室内を暖房する車両用暖房装置であって、前記面状発熱体は座席に着座した乗員の膝部から足部の少なくとも一部に対応した場所に配設され、膝部側よりも足部側に対応した場所の前記面状発熱体の発熱密度を高くしたものである。   According to a first aspect of the present invention, there is provided a vehicle heating apparatus for heating a vehicle interior by disposing a planar heating element on an interior fitting in the vehicle interior, wherein the planar heating element is attached to a leg from an occupant's knee seated in the seat. It is disposed at a location corresponding to at least a part of the part, and the heat generation density of the planar heating element at a location corresponding to the foot side is higher than that of the knee side.

第２の発明は、車室内の内装具に面状発熱体を配設して車室内を暖房する車両用暖房装置であって、前記面状発熱体は座席に着座した乗員の膝部から足部の少なくとも一部に対応した場所に配設され、前記面状発熱体と前記乗員の膝部から足部の少なくとも一部との間の距離を検出する距離検出手段と、前記距離検出手段の出力信号に基づき前記面状発熱
体の発熱量を制御する制御手段とを備えたものである。 According to a second aspect of the present invention, there is provided a vehicle heating apparatus for heating a vehicle interior by disposing a planar heating element on an interior fitting in the passenger compartment, wherein the planar heating element is extended from a knee portion of an occupant seated in the seat. A distance detecting means disposed at a location corresponding to at least a part of the portion, for detecting a distance between the planar heating element and the occupant's knee to at least a part of the foot; and Control means for controlling the amount of heat generated by the planar heating element based on an output signal.

以下、本発明の実施の形態について、図面を参照しながら説明する。なお、この実施の形態によって本発明が限定されるものではない。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

（実施の形態１）
本発明の第１の実施の形態を図１、図２を参照して説明する。 (Embodiment 1)
A first embodiment of the present invention will be described with reference to FIGS.

図１は本発明の第１の実施の形態における車両用暖房装置の外観図である。図中、車室内の運転席側内装具としてのインパネ１の下部に面状発熱体２が配設されている。面状発熱体２は座席に着座した乗員の膝部から足部の少なくとも一部に対応した場所に配設されている。   FIG. 1 is an external view of a vehicle heating apparatus according to a first embodiment of the present invention. In the drawing, a planar heating element 2 is disposed at a lower portion of an instrument panel 1 as a driver seat side interior fitting in a passenger compartment. The planar heating element 2 is disposed at a location corresponding to at least part of the foot from the knee of the occupant seated on the seat.

図２は面状発熱体２の外観図である。面状発熱体２は不織布に電気ヒータ線を蛇行配線したものにアルミシートを貼付したもので、インパネ裏側に接着固定される。また、面状発熱体２は、乗員の膝部側に対応した場所Ｓ１よりも足部側に対応した場所Ｓ２のヒータ線の配線密度を稠密にして発熱密度を高くしてある。   FIG. 2 is an external view of the sheet heating element 2. The sheet heating element 2 is obtained by attaching an aluminum sheet to a non-woven fabric obtained by meandering electric heater wires, and is bonded and fixed to the back side of the instrument panel. Further, in the sheet heating element 2, the heat generation density is increased by making the wiring density of the heater wires in the place S2 corresponding to the foot side denser than the place S1 corresponding to the knee side of the occupant.

上記構成により、面状発熱体２の通電を開始すると、面状発熱体２は、乗員の膝部側よりも足部側に対応した場所のヒータ線の配線密度を稠密にして発熱密度を高くしてあるので、輻射面としてのインパネ表面温度は、図１中の膝部側に対応した場所Ｐ１よりも足部側に対応した場所Ｐ２の方が高くなる。これにより、乗員の膝部側よりも足部側により大きな輻射熱が印加されるので、スネ部でも輻射熱がズボンを介して皮膚に伝わり易くなり、スネの部分の暖房感が向上するといった効果がある。   With the above configuration, when the energization of the planar heating element 2 is started, the planar heating element 2 increases the heating density by increasing the wiring density of the heater wires in the place corresponding to the foot side rather than the occupant's knee side. Therefore, the instrument panel surface temperature as the radiation surface is higher at the location P2 corresponding to the foot side than the location P1 corresponding to the knee side in FIG. As a result, a larger amount of radiant heat is applied to the foot side than to the occupant's knee side, so that the radiant heat is also easily transmitted to the skin through the pants even in the shin portion, and the heating feeling of the shin portion is improved. .

（実施の形態２）
本発明の第２の実施の形態を図３〜図５を参照して説明する。 (Embodiment 2)
A second embodiment of the present invention will be described with reference to FIGS.

図３は本発明の第２の実施の形態における車両用暖房装置の外観図である。図中、車室内の運転席側内装具としてのインパネ１の下部に面状発熱体３と距離検出手段４が配設されている。面状発熱体３は座席に着座した乗員の膝部〜足部の少なくとも一部に対応した場所に配設されている。面状発熱体３は不織布にヒータ線を蛇行配線したものにアルミシートを貼付したもので、インパネ裏側に接着固定される。距離検出手段４は超音波センサやレーザーセンサ等で構成され、予め設定された方向Ｄに存在する乗員の足元までの距離Ｘを検出する。   FIG. 3 is an external view of a vehicle heating apparatus according to the second embodiment of the present invention. In the drawing, a planar heating element 3 and a distance detecting means 4 are arranged at the lower part of an instrument panel 1 as a driver's seat side interior fitting in the vehicle interior. The planar heating element 3 is disposed at a location corresponding to at least a part of a knee portion to a foot portion of an occupant seated on the seat. The sheet heating element 3 is obtained by attaching an aluminum sheet to a non-woven fabric obtained by meandering heater wires, and is bonded and fixed to the back side of the instrument panel. The distance detection means 4 is composed of an ultrasonic sensor, a laser sensor, or the like, and detects the distance X to the feet of the occupant existing in the preset direction D.

図４は同装置の動作を表すブロック図である。制御手段５は距離検出手段４の出力信号に基づき面状発熱体３の発熱量を制御する。   FIG. 4 is a block diagram showing the operation of the apparatus. The control means 5 controls the amount of heat generated by the planar heating element 3 based on the output signal of the distance detection means 4.

上記構成による作用を説明する。図５は、距離検出手段４が検出する距離Ｘと制御手段５が制御する面状発熱体３の発熱量Ｑとの関係を表す特性図である。図５により、距離が長い場合は面状発熱体３からの輻射熱が減衰するので面状発熱体３の発熱量を増加し、距離が短い場合は面状発熱体３からの輻射熱が増大するので面状発熱体３の発熱量を減少するよう制御し、距離にかかわらず一定の輻射熱が足元に印加されるようにする。この関係に基づいて、制御手段５は面状発熱体３の発熱量を制御するので、乗員の体格や座席位置にかかわらず十分な足元の暖感を得られるといった効果がある。   The operation of the above configuration will be described. FIG. 5 is a characteristic diagram showing the relationship between the distance X detected by the distance detection means 4 and the heat generation amount Q of the planar heating element 3 controlled by the control means 5. According to FIG. 5, when the distance is long, the radiant heat from the planar heating element 3 is attenuated, so that the amount of heat generated by the planar heating element 3 is increased. When the distance is short, the radiant heat from the planar heating element 3 is increased. Control is performed to reduce the amount of heat generated by the planar heating element 3 so that constant radiant heat is applied to the foot regardless of the distance. Based on this relationship, the control means 5 controls the amount of heat generated by the planar heating element 3, so that there is an effect that a sufficient foot warmth can be obtained regardless of the physique of the occupant and the seat position.

尚、上記実施の形態では、距離検出手段４は超音波センサやレーザーセンサ等で構成したが、例えば、パワーシート（電動で位置調整ができる座席）の位置検出機能を利用して、パワーシートの位置から面状発熱体と乗員の膝部から足部の少なくとも一部との間の距
離を推定・演算する構成としてもよい。また、座席に配設されたエアバッグ用の体重センサの出力信号に基づき、例えば、「体重が重い」故に「体格大きい」故に「距離が長い」、といった推定・演算を行なう構成としてもよい。 In the above embodiment, the distance detecting means 4 is constituted by an ultrasonic sensor, a laser sensor, or the like. For example, the position detection function of the power seat (electrically adjustable seat) is used to detect the power seat. It is good also as a structure which estimates and calculates the distance between a planar heating element and at least one part of a foot | leg part from a passenger | crew's knee from a position. Further, based on the output signal of the weight sensor for the airbag disposed on the seat, for example, the estimation / calculation may be performed such that “the body is heavy”, “the body is large”, and “the distance is long”.

また、上記実施の形態では、距離を検出して面状発熱体の発熱量を制御する構成としたが、さらに、カーエアコンの室温センサからの出力信号を用いて、室温に応じて面状発熱体の発熱量を制御する構成としてもよい。図６は暖感を得るのに必要な距離Ｘ、発熱量Ｑ、室温Ｔの関係を示す特性図である。図より、例えば、カーエアコンの併用により室温が上昇すれば、面状発熱体の発熱量を低減する。また、同じ室温でも距離が長ければ面状発熱体の発熱量を増加させる。尚、エアコンと輻射を併用しているので、輻射暖房分だけエアコンの設定温度は低減でき、少ないエンジン排熱で省エネ暖房ができる。以上のような制御を行なうことにより、乗員の暖感を得るのに必要な発熱量をよりきめの細かに制御することができ、快適で省エネな暖房が可能となる。   Further, in the above embodiment, the distance is detected to control the amount of heat generated by the sheet heating element. However, the sheet heating according to the room temperature is further generated using the output signal from the room temperature sensor of the car air conditioner. It is good also as a structure which controls the emitted-heat amount of a body. FIG. 6 is a characteristic diagram showing the relationship between the distance X, the calorific value Q, and the room temperature T necessary for obtaining a warm feeling. From the figure, for example, if the room temperature increases due to the combined use of a car air conditioner, the amount of heat generated by the planar heating element is reduced. Further, if the distance is long even at the same room temperature, the amount of heat generated by the planar heating element is increased. Since the air conditioner and radiation are used together, the set temperature of the air conditioner can be reduced by the amount of radiation heating, and energy-saving heating can be performed with less engine exhaust heat. By performing the control as described above, it is possible to more precisely control the amount of heat generated to obtain the warmth of the occupant, thereby enabling comfortable and energy-saving heating.

また、上記実施の形態１、２では、面状発熱体には電気ヒータ線を用いたが、ＰＴＣ特性のある抵抗体をシート状に成形したヒータを使用してもよく、自己温度制御性があるので、電気ヒータ線タイプで必要なサーモスタットやサーミスタセンサなどが不要となり、薄型化が可能で、インパネ等の車室内の内装具への配設に好適となる。   In the first and second embodiments, an electric heater wire is used as the planar heating element. However, a heater in which a resistor having a PTC characteristic is formed into a sheet shape may be used, and self-temperature controllability is achieved. Therefore, a thermostat, a thermistor sensor, or the like necessary for the electric heater wire type is not required, and the thickness can be reduced, which is suitable for installation in an interior instrument such as an instrument panel.

また、上記実施の形態１、２では、面状発熱体をインパネ下部に設置したが、実施の形態１、２の足元での輻射暖房の代わりに、例えば、内装具として天井トリムに配設して乗員の頭部を輻射暖房する構成にするなど、足元以外の人体の他の部位を輻射暖房する構成としたり、足元と天井といったように複数の輻射暖房を併用する構成として適用してもよい。   In the first and second embodiments, the planar heating element is installed at the lower part of the instrument panel. However, instead of radiant heating at the foot of the first and second embodiments, for example, it is disposed on the ceiling trim as an interior tool. It may be applied as a configuration in which other parts of the human body other than the feet are radiant heated, such as a configuration in which the occupant's head is heated, or a configuration in which a plurality of radiant heatings are used in combination such as the feet and the ceiling. .

以上のように、本発明にかかる車両用暖房装置は、車室内のみならず、航空機や劇場等のさまざまな座席での多様な暖房に展開が可能である。   As described above, the vehicle heating apparatus according to the present invention can be deployed not only in the passenger compartment but also in various types of heating in various seats such as airplanes and theaters.

本発明の第１の実施の形態における車両用暖房装置の外観図1 is an external view of a vehicle heating device according to a first embodiment of the present invention. 同装置の面状発熱体２の外観図External view of sheet heating element 2 of the same device 本発明の第２の実施の形態における車両用暖房装置の外観図External view of the vehicle heating device in the second embodiment of the present invention 同装置の動作を表すブロック図Block diagram showing the operation of the device 同装置の距離検出手段４が検出する距離と制御手段５が制御する面状発熱体３の発熱量との関係を表す特性図The characteristic diagram showing the relationship between the distance which the distance detection means 4 of the apparatus detects, and the emitted-heat amount of the planar heating element 3 which the control means 5 controls 暖感を得るのに必要な距離、発熱量、室温の関係を示す特性図Characteristic diagram showing the relationship between distance, calorific value, and room temperature necessary to obtain a warm feeling

符号の説明Explanation of symbols

１ インパネ（内装具）
２、３ 面状発熱体
４ 距離検出手段
５ 制御手段 1 Instrument panel (interior)
2, 3 Planar heating element 4 Distance detection means 5 Control means

Claims (2)

車室内の内装具に面状発熱体を配設して車室内を暖房する車両用暖房装置であって、前記面状発熱体は座席に着座した乗員の膝部から足部の少なくとも一部に対応した場所に配設され、膝部側よりも足部側に対応した場所の前記面状発熱体の発熱密度を高くした車両用暖房装置。 A heating device for a vehicle that heats the interior of a vehicle by disposing a planar heating element on an interior fitting in the passenger compartment, wherein the planar heating element extends from at least a part of a foot portion of a passenger seated in a seat. A vehicle heating apparatus that is disposed at a corresponding location and has a higher heat generation density of the planar heating element at a location corresponding to the foot side than to the knee side. 車室内の内装具に面状発熱体を配設して車室内を暖房する車両用暖房装置であって、前記面状発熱体は座席に着座した乗員の膝部から足部の少なくとも一部に対応した場所に配設され、前記面状発熱体と前記乗員の膝部から足部の少なくとも一部との間の距離を検出する距離検出手段と、前記距離検出手段の出力信号に基づき前記面状発熱体の発熱量を制御する制御手段とを備えた車両用暖房装置。 A heating device for a vehicle that heats the interior of a vehicle by disposing a planar heating element on an interior fitting in the passenger compartment, wherein the planar heating element extends from at least a part of a foot portion of a passenger seated in a seat. A distance detecting means disposed at a corresponding location for detecting a distance between the planar heating element and at least a part of a foot part of the occupant and the surface based on an output signal of the distance detecting means; A vehicle heating device comprising: control means for controlling the amount of heat generated by the cylindrical heating element.
JP2008234703A 2008-09-12 2008-09-12 Heating device for vehicle Pending JP2010064681A (en)

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