JP2006076398A - Seat heating/cooling device - Google Patents

Seat heating/cooling device Download PDF

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JP2006076398A
JP2006076398A JP2004261426A JP2004261426A JP2006076398A JP 2006076398 A JP2006076398 A JP 2006076398A JP 2004261426 A JP2004261426 A JP 2004261426A JP 2004261426 A JP2004261426 A JP 2004261426A JP 2006076398 A JP2006076398 A JP 2006076398A
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air
heating
cooling device
seat
blower
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Inventor
Makoto Uto
誠 宇藤
Satoshi Mizutani
聡志 水谷
Takashi Yamamoto
隆 山本
Takashi Tanaka
尚 田中
Shinji Naruse
新二 成瀬
Yasuhiko Niimi
康彦 新美
Yoshinobu Yanagimachi
柳町　　佳宣
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Denso Corp
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Denso Corp
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Priority to JP2004261426A priority Critical patent/JP2006076398A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5678—Heating or ventilating devices characterised by electrical systems
    • B60N2/5692—Refrigerating means
    • 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
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00285—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for vehicle seats

Abstract

<P>PROBLEM TO BE SOLVED: To materialize a seat heating/cooling device capable of improving comfortability by controlling a heating/cooling apparatus or a bower so as not to generate steamed feeling. <P>SOLUTION: The seat heating/cooling device comprises a seat 3 formed with air blow-off holes 3a on a surface thereof, the blower 51 leading vehicular interior air into the seat 3 and sending the air toward the air blow-off holes 3a, a heating/cooling apparatus 52 heating/cooling the led vehicular interior air, and a seat air-conditioning control device 37b controlling the blower 51 and the heating/cooling apparatus 52. An air-conditioning unit 21, and an air-conditioning control device 37a for controlling the air-conditioning unit 21 on the basis of operation information set by an occupant and temperature/humidity information detected by various sensors, are provided. The seat air-conditioning control device 37b controls the output of either one of the blower 51 or the heating/cooling apparatus 52 on the basis of the humidity information detected by a humidity sensor 41. Therefore, comfortability can be improved. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、車両用シートに形成された空気吹出孔に向けて加熱、冷却された空調風を吹き出すシート用加熱冷却装置に関するものであり、特に、加熱、冷却する加熱冷却器および送風機の出力の制御に関する。   The present invention relates to a heating / cooling device for a sheet that blows out air-conditioned air that has been heated and cooled toward an air blowing hole formed in a vehicle seat. Regarding control.

従来、この種のシート用加熱冷却装置として、例えば、特許文献１に示すように、表面に空気吹出孔が形成されたシートと、このシート内に形成された空気吹出孔と連通する連通路と、この連通路に配設されたペルチェ素子からなる加熱冷却器と、上記空気吹出孔に向けて空気を送風する送風機とを備えている。   Conventionally, as this type of sheet heating / cooling device, for example, as shown in Patent Document 1, a sheet having air blowing holes formed on the surface, and a communication path communicating with the air blowing holes formed in the sheet, And a heating / cooling device including a Peltier element disposed in the communication path, and a blower for blowing air toward the air blowing hole.

そして、シート温度またはシート用加熱冷却装置の運転状態もしくは設定温度に基づいて車室内を空調する空調装置の運転状態を修正する空調制御手段を設け、シート用加熱冷却装置と空調装置とを連動させている。これにより、乗員はシート用加熱冷却装置の運転状態を設定または再設定することで、空調装置の運転状態を変更することができ、かつシート用加熱冷却装置と空調装置とにより車室内空間を短時間で所望の温度にして、簡単な操作で快適な車室内空間を作り出すことができる（例えば、特許文献１参照）。
特開平１０−２９７２４３号公報 Then, air conditioning control means for correcting the operating state of the air conditioner that air-conditions the passenger compartment based on the seat temperature or the operating state or set temperature of the seat heating / cooling device is provided, and the heating / cooling device for seat and the air conditioner are interlocked. ing. As a result, the occupant can change the operating state of the air conditioner by setting or resetting the operating state of the seat heating / cooling device, and shorten the vehicle interior space by the seat heating / cooling device and the air conditioning device. A comfortable vehicle interior space can be created by a simple operation at a desired temperature over time (see, for example, Patent Document 1).
JP-A-10-297243

しかしながら、上記特許文献１によれば、車室内の空調温度およびシート温度を基準として車両用空調装置と連動させてシート用加熱冷却装置の温度制御を行なって温熱の快適性の向上を行なっているが、シートに着座している乗員の温熱の快適性は温度情報の他に、湿度情報を含めた制御が要求される。   However, according to the above-mentioned Patent Document 1, the temperature control of the seat heating / cooling device is performed in conjunction with the vehicle air conditioner on the basis of the air conditioning temperature and the seat temperature in the passenger compartment, thereby improving the comfort of the heat. However, the comfort of the occupant sitting on the seat requires control including humidity information in addition to temperature information.

つまり、シート用加熱冷却装置では、例えば、炎天下に駐車した後に、乗車して車両用空調装置が安定状態に至る前では、乗員の汗などにより、湿度が大きいときに、シートと乗員の背面との間に蒸れ感が発生して温熱の快適性が損なわれる問題がある。   In other words, in the seat heating / cooling device, for example, after the vehicle is parked under hot weather and before the vehicle air conditioner reaches a stable state, the seat and the rear surface of the passenger are There is a problem that a feeling of stuffiness occurs during this period and the comfort of heat is impaired.

そこで、本発明の目的は、上記点を鑑みたものであり、蒸れ感を発生させないように加熱冷却器もしくは送風機を制御させることで快適性の向上が図れるシート用加熱冷却装置を提供することにある。   Accordingly, an object of the present invention is to provide a seat heating and cooling apparatus that can improve comfort by controlling a heating / cooling device or a blower so as not to cause stuffiness. is there.

上記、目的を達成するために、請求項１ないし請求項５に記載の技術的手段を採用する。すなわち、請求項１に記載の発明では、表面に空気吹出孔（３ａ）が形成されたシート（３）と、車室内空気をシート（３）内に導いて空気吹出孔（３ａ）に向けて送風する送風機（５１）と、この送風機（５１）により導かれた車室内空気を加熱、冷却する加熱冷却器（５２）と、送風機（５１）および加熱冷却器（５２）を制御するシート空調制御手段（３７ｂ）とを備えるシート用加熱冷却装置において、
車室内の湿度を検出する湿度センサ（４１）が設けられ、シート空調制御手段（３７ｂ）は、湿度センサ（４１）により検出された湿度情報に基づいて、送風機（５１）もしくは加熱冷却器（５２）のいずれか一方の出力を制御することを特徴としている。 In order to achieve the above object, the technical means described in claims 1 to 5 are employed. That is, in the first aspect of the invention, the seat (3) having the air blowing hole (3a) formed on the surface thereof, and the vehicle interior air are guided into the seat (3) and directed toward the air blowing hole (3a). A blower (51) that blows air, a heating / cooling device (52) that heats and cools the vehicle interior air guided by the blower (51), and a seat air conditioning control that controls the blower (51) and the heating / cooling device (52) In the heating and cooling device for a sheet comprising means (37b),
A humidity sensor (41) for detecting the humidity in the passenger compartment is provided, and the seat air-conditioning control means (37b) is configured to use the blower (51) or the heating / cooling device (52) based on the humidity information detected by the humidity sensor (41). ) Is controlled.

請求項１に記載の発明によれば、シート空調が湿度に応じて制御することができることで、乗員の快適性の向上が図れる。また、送風機（５１）の出力を制御する方が加熱冷却器（５２）側の出力を制御するよりも小動力である。   According to the first aspect of the present invention, the seat air conditioning can be controlled according to the humidity, so that the passenger comfort can be improved. Further, controlling the output of the blower (51) requires less power than controlling the output on the heating / cooling device (52) side.

請求項２に記載の発明では、表面に空気吹出孔（３ａ）が形成されたシート（３）と、車室内空気をシート（３）内に導いて空気吹出孔（３ａ）に向けて送風する送風機（５１）と、この送風機（５１）により導かれた車室内空気を加熱、冷却する加熱冷却器（５２）と、送風機（５１）および加熱冷却器（５２）を制御するシート空調制御手段（３７ｂ）とを備えるシート用加熱冷却装置において、
温度調節された空調風を車室内に吹き出す空調ユニット（２１）と乗員が設定する操作情報および各種センサで検出される温度、湿度情報に基づいて空調ユニット（２１）を制御する空調制御手段（３７ａ）とが設けられ、
シート空調制御手段（３７ｂ）は、少なくとも各種センサのうち、湿度センサ（４１）で検出された湿度情報に基づいて、送風機（５１）もしくは加熱冷却器（５２）のいずれか一方の出力を制御することを特徴としている。 In the invention according to claim 2, the seat (3) having the air blowing hole (3a) formed on the surface, and the vehicle interior air are guided into the seat (3) and blown toward the air blowing hole (3a). A blower (51), a heating / cooling device (52) for heating and cooling the passenger compartment air guided by the blower (51), and a seat air-conditioning control means for controlling the blowing device (51) and the heating / cooling device (52) 37b), a heating / cooling device for a sheet,
An air conditioning unit (21) that blows temperature-controlled air conditioning air into the passenger compartment, and air conditioning control means (37a) that controls the air conditioning unit (21) based on operation information set by the occupant and temperature and humidity information detected by various sensors. ) And
The seat air conditioning control means (37b) controls the output of either the blower (51) or the heating / cooling device (52) based on the humidity information detected by the humidity sensor (41) among at least various sensors. It is characterized by that.

請求項２に記載の発明によれば、一つの湿度センサ（４１）を設けることで空調ユニット（２１）の制御とシート空調の制御が容易にできるとともに、シート空調が湿度に応じて制御することができることで、乗員の快適性の向上が図れる。   According to the invention described in claim 2, by providing one humidity sensor (41), it is possible to easily control the air conditioning unit (21) and the seat air conditioning, and to control the seat air conditioning according to the humidity. This can improve passenger comfort.

請求項３に記載の発明では、シート空調制御手段（３７ｂ）は、湿度センサ（４１）で検出された湿度が大きいときに、送風機（５１）もしくは加熱冷却器（５２）のいずれか一方の出力を高めるように制御することを特徴としている。   In the invention according to claim 3, when the humidity detected by the humidity sensor (41) is high, the seat air conditioning control means (37b) outputs either the blower (51) or the heating / cooling device (52). It is characterized by controlling so as to increase.

請求項３に記載の発明によれば、より具体的には、湿度が大きいと乗員とシート（３）との間に蒸れ感が生じやすいが、送風機（５１）もしくは加熱冷却器（５２）のいずれかの出力を高めるように制御することで蒸れ感の発生が防止できることで快適性の向上が図れる。   More specifically, according to the invention described in claim 3, when the humidity is high, a stuffiness is likely to occur between the occupant and the seat (3). However, the fan (51) or the heating / cooling device (52) By controlling to increase any output, it is possible to prevent the occurrence of stuffiness and improve comfort.

請求項４に記載の発明では、湿度センサ（４１）は、シート（３）のパット内に配設していることを特徴としている。請求項４に記載の発明によれば、湿度の検出位置として最良の配設位置である。   The invention according to claim 4 is characterized in that the humidity sensor (41) is disposed in the pad of the sheet (3). According to the invention described in claim 4, it is the best arrangement position as a humidity detection position.

請求項５に記載の発明では、加熱冷却器（５２）は、ペルチェ効果による熱の発生、吸収を利用して加熱、冷却するペルチェ素子（５２）であることを特徴としている。請求項５に記載の発明によれば、出力の制御を、例えば、電圧を可変するなどで容易に出力を制御できる。   The invention according to claim 5 is characterized in that the heating / cooling device (52) is a Peltier element (52) that heats and cools using generation and absorption of heat by the Peltier effect. According to the fifth aspect of the present invention, the output can be easily controlled by varying the voltage, for example.

なお、上記各手段の括弧内の符号は、後述する実施形態の具体的手段との対応関係を示すものである。   In addition, the code | symbol in the bracket | parenthesis of each said means shows a corresponding relationship with the specific means of embodiment mentioned later.

（第１実施形態）
以下、本発明の第１実施形態におけるシート用加熱冷却装置を図１ないし図３に基づいて説明する。図１は本発明を車両用空調装置に適用させたときの車両用空調装置とシート用加熱冷却装置との全体構成を示す模式図であり、図２はシート用加熱冷却装置の車両への搭載形態を示す模式図である。 (First embodiment)
Hereinafter, the heating and cooling apparatus for a sheet in the first embodiment of the present invention will be described with reference to FIGS. 1 to 3. FIG. 1 is a schematic diagram showing the overall configuration of a vehicle air conditioner and a seat heating / cooling device when the present invention is applied to a vehicle air conditioner, and FIG. 2 is a diagram showing the mounting of the seat heating / cooling device on a vehicle. It is a schematic diagram which shows a form.

まず、シート用加熱冷却装置は、図１に示すように、背当て部３ｃおよび着座部３ｂからなるシート３と、このシート３の下部に形成された空間６に配設された加熱冷却装置５と、この加熱冷却装置５を制御するシート空調制御手段であるシート空調制御装置３７ｂおよびシート空調操作パネル５４とを備えている。   First, as shown in FIG. 1, the heating / cooling device for seats includes a seat 3 including a backrest portion 3c and a seating portion 3b, and a heating / cooling device 5 disposed in a space 6 formed below the seat 3. And a seat air-conditioning control device 37b, which is a seat air-conditioning control means for controlling the heating and cooling device 5, and a seat air-conditioning operation panel 54.

背当て部３ｃは内部に空間６と連通する第１ダクト３ｅが形成されており、その第１ダクト３ｅと連通する空気吹出孔３ａが複数個形成されている。また、着座部３ｂは内部に空間６と連通する第２ダクト３ｄが形成されており、その第２ダクト３ｄと連通する空気吹出孔３ａが複数個形成されている。   The backrest portion 3c has a first duct 3e communicating with the space 6 therein, and a plurality of air blowing holes 3a communicating with the first duct 3e. The seating portion 3b has a second duct 3d communicating with the space 6 therein, and a plurality of air blowing holes 3a communicating with the second duct 3d.

また、加熱冷却装置５は送風機５１とペルチェ素子からなる加熱冷却器５２とから構成している。そして、送風機５１はシート３内に車室内空気を導いて加熱冷却器５２を介して空気吹出孔３ａに向けて送風する。加熱冷却器５２は電力を熱に変換する周知の熱電素子であり、第１熱交換部５２ａと第２熱交換部５２ｂとからなるものであり、図示しない直流電源に電気的に接続されている。そして、第１熱交換部５２ａおよび第２熱交換部５２ｂは、内部に熱電半導体に接続された電極部（図示せず）と外部に多数の放熱、吸熱フィン部とから構成され、電流の流れる方向により送風機５１で導かれた車室内空気を加熱および冷却するものである。   The heating / cooling device 5 includes a blower 51 and a heating / cooling device 52 including a Peltier element. The blower 51 guides the passenger compartment air into the seat 3 and blows it through the heating / cooling device 52 toward the air blowing hole 3a. The heating / cooling device 52 is a known thermoelectric element that converts electric power into heat, and includes a first heat exchanging portion 52a and a second heat exchanging portion 52b, and is electrically connected to a DC power source (not shown). . The first heat exchanging part 52a and the second heat exchanging part 52b are composed of an electrode part (not shown) connected to a thermoelectric semiconductor inside and a large number of heat radiation and heat absorption fin parts on the outside, and current flows. The vehicle interior air guided by the blower 51 depending on the direction is heated and cooled.

ところで、空間６はシート３外に連通する排気ダクト３ｆが形成されており、この排気ダクト３ｆは上述した第１ダクト３ｅおよび第２ダクト３ｄとの間に図示しない仕切り板により区画している。つまり、第１熱交換部５２ａで加熱、冷却された空調風と、第２熱交換部５２ｂで加熱、冷却された排気とが混合することのないように形成している。また、本実施形態では、排気ダクト３ｆの下流端を車室内に開口しているが、これに限らず、排気ダクト３ｆの下流端を延長して車室外に排気するように構成しても良い。   By the way, an exhaust duct 3f communicating with the outside of the seat 3 is formed in the space 6, and the exhaust duct 3f is partitioned by a partition plate (not shown) between the first duct 3e and the second duct 3d described above. That is, the air-conditioning air heated and cooled by the first heat exchanging part 52a and the exhaust gas heated and cooled by the second heat exchanging part 52b are not mixed. In the present embodiment, the downstream end of the exhaust duct 3f is opened in the vehicle interior. However, the present invention is not limited thereto, and the downstream end of the exhaust duct 3f may be extended to exhaust outside the vehicle interior. .

また、図中に示す５３は温度センサであって、この温度センサ５３は空気吹出孔３ａから吹き出される空調風の吹出温度を検出する。そして、温度センサ５３で検出した温度情報をシート空調制御装置３７ｂに出力するように電気的に接続している。   Moreover, 53 shown in the figure is a temperature sensor, and this temperature sensor 53 detects the blowing temperature of the conditioned air blown out from the air blowing hole 3a. And it electrically connects so that the temperature information detected with the temperature sensor 53 may be output to the sheet | seat air-conditioning control apparatus 37b.

シート空調制御装置３７ｂは、マイクロコンピュータを主体として構成され、内蔵のＲＯＭ（図示せず）には、予め設定されたシート空調制御プログラムが設けられており、上記温度センサ５３からの温度情報、シート空調操作パネル５４からの操作情報の他に、空調制御手段である空調制御装置３７ａからの制御情報を入力するように電気的に接続し、温度情報、操作情報および制御情報に基づいて送風機５１と加熱冷却器５２とを制御している。   The seat air conditioning control device 37b is mainly composed of a microcomputer, and a built-in ROM (not shown) is provided with a preset seat air conditioning control program. Temperature information from the temperature sensor 53, the seat In addition to the operation information from the air conditioning operation panel 54, electrical connection is made so that control information from the air conditioning control device 37a, which is an air conditioning control means, is input, and the blower 51 is connected to the blower 51 based on temperature information, operation information, and control information. The heating / cooling device 52 is controlled.

なお、シート空調操作パネル５４は、温風／冷風の切り替え、シート空調運転の開始／停止、ならびに吹出温度の設定温度調節などの操作を行なうための操作スイッチなどを備え、乗員がシート３に着座した状態で操作できる位置に配設されている。   The seat air-conditioning operation panel 54 includes operation switches for performing operations such as switching between hot air / cold air, starting / stopping the seat air-conditioning operation, and adjusting the set temperature of the blow-out temperature, and the occupant is seated on the seat 3. It is arranged at a position where it can be operated in the state.

次に、空調ユニット２１の構成について説明する。送風ダクト２２の上流側には、車室外の空気（外気）を吸入する外気吸込口２３ａ、２３ｂと車室内の空気（内気）を吸入する内気吸入口２４ａ、２４ｂとが設けられ、これら各吸入口２３ａ、２３ｂ、２４ａ、２４ｂから吸入する内外気の混合割合が内外気ドア２５ａ、２５ｂによって切り替えるようになっている。   Next, the configuration of the air conditioning unit 21 will be described. On the upstream side of the air duct 22, there are provided outside air suction ports 23a and 23b for sucking air outside the vehicle compartment (outside air) and inside air suction ports 24a and 24b for sucking air inside the vehicle cabin (inside air). The mixing ratio of the inside / outside air sucked from the ports 23a, 23b, 24a, 24b is switched by the inside / outside air doors 25a, 25b.

また、送風ダクト２２内には、送風機２６が設けられ、この送風機２６の下流側に、冷凍サイクル（図示せず）を構成する蒸発器２８、エアミックスドア２９およびエンジン冷却水が循環するヒータコア３０が設けられている。上記エアミックスドア２９の開度を調節することによって、ヒータコア３０を通過する空気と通過しない空気の混合割合を調節して、空調風の温度を調整するようになっている。   A blower 26 is provided in the blower duct 22, and an evaporator 28, an air mix door 29, and a heater core 30 in which engine cooling water circulates on the downstream side of the blower 26 constitute a refrigeration cycle (not shown). Is provided. By adjusting the opening degree of the air mix door 29, the mixing ratio of the air passing through the heater core 30 and the air not passing through is adjusted to adjust the temperature of the conditioned air.

そして、送風ダクト２２の下流側には、車両の前面ガラスに向けて空調風を吹き出すデフロスタ吹出口（図示せず）にダクトを介して接続されるデフロスタ開口部３１と、乗員の上半身に向けて空調風を吹き出すフェイス吹出口（図示せず）にダクトを介して接続されるフェイス開口部３２と、乗員の足元に向け空調風を吹き出すフット吹出口（図示せず）にダクトを介して接続されるフット開口部３３とが設けられ、これら各開口部３１、３２、３３の上流側に、それぞれ制御ドア３４、３５、３６が設けられている。   And on the downstream side of the air duct 22, a defroster opening 31 connected via a duct to a defroster outlet (not shown) that blows conditioned air toward the front glass of the vehicle, and toward the upper body of the occupant A face opening 32 connected via a duct to a face outlet (not shown) that blows conditioned air and a foot outlet (not shown) that blows conditioned air toward the feet of the occupant are connected via a duct. Foot openings 33 are provided, and control doors 34, 35, and 36 are provided upstream of the openings 31, 32, and 33, respectively.

なお、空調ユニット２１は、図２に示すように、車室内前方のインストルメントパネル（図示せず）内に配置され、加熱冷却装置５は乗員席の各シート３内に配置され、空調制御装置３７ａとシート空調制御装置３７ｂとが電気的に接続するように構成している。後述するが図中に示す３８は車室内空気の内気温度を検出する内気温度センサであり、４１はその空気の湿度を検出する湿度センサである。   As shown in FIG. 2, the air conditioning unit 21 is disposed in an instrument panel (not shown) in front of the passenger compartment, and the heating / cooling device 5 is disposed in each seat 3 of the passenger seat. 37a and the seat air conditioning control device 37b are configured to be electrically connected. As will be described later, reference numeral 38 shown in the figure is an inside air temperature sensor for detecting the inside air temperature of the passenger compartment air, and 41 is a humidity sensor for detecting the humidity of the air.

次に、以上の構成による空調ユニット２１は空調制御装置３７ａにより制御される。この空調制御装置３７ａは、マイクロコンピュータを主体として構成され、内蔵のＲＯＭ（図示せず）には、予め設定された空調制御プログラムが設けられており、車両の熱負荷を検出するための内気温度センサ３８、外気温度センサ３９、日射量を検出する日射センサ４０、湿度センサ４１から検出した検出信号Ｔｒ、Ｔａｍ、Ｔｓ、Ｈｕが入力されるとともに、インストルメントパネル内に配設されたエアコン操作パネル４４からの操作信号が入力される。そして、その空調制御プログラムを実行することで、空調ユニット２１から車室内に吹き出される空調風の、運転モード、吹出口モード、吹出温度、送風量などを制御している。   Next, the air conditioning unit 21 configured as described above is controlled by the air conditioning control device 37a. The air-conditioning control device 37a is mainly composed of a microcomputer, and a built-in ROM (not shown) is provided with a preset air-conditioning control program, and the inside air temperature for detecting the heat load of the vehicle The detection signals Tr, Tam, Ts, and Hu detected from the sensor 38, the outside air temperature sensor 39, the solar radiation sensor 40 for detecting the amount of solar radiation, and the humidity sensor 41 are input, and the air conditioner operation panel disposed in the instrument panel An operation signal from 44 is input. Then, by executing the air conditioning control program, the operation mode, the air outlet mode, the air outlet temperature, the air flow rate, and the like of the air conditioning air blown from the air conditioning unit 21 into the vehicle interior are controlled.

また、エアコン操作パネル４４には、図示しないが、空調運転をオン／オフするＡ／Ｃスイッチと、運転モードを自動／手動に切り替えるオートスイッチと、吹出口の切り替えをフェイス、バイレベル、フット、フットデフロスタ、デフロスタのいずれかを手動で切り替える５つの吹出モード切替スイッチと、吸気モードを外気吸入／内気循環に手動で切り替える吸気モード切替スイッチと、送風量を手動で切り替える送風切替スイッチと、空調制御の目標値となる設定温度を手動設定する温度設定スイッチとが設けられている。   Although not shown, the air conditioner operation panel 44 has an A / C switch for turning on / off the air-conditioning operation, an auto switch for switching the operation mode to automatic / manual, and switching of the outlets to the face, bi-level, foot, 5 blowout mode changeover switches for manually switching between the foot defroster and the defroster, an intake mode changeover switch for manually changing the intake mode to outside air intake / internal air circulation, a blower changeover switch for manually changing the air flow, and air conditioning control There is provided a temperature setting switch for manually setting a set temperature that is a target value.

因みに、オートスイッチは、吹出モード切替スイッチ、吸気モード切替スイッチ、送風切替スイッチの運転モードの切り替えを自動制御させる操作スイッチであって、この操作信号が空調制御装置３７ａに入力されると、乗員が設定した設定温度と、内気温度センサ３８、外気温度センサ３９、日射センサ４０より検出された内気温度Ｔｒ、外気温度Ｔａｍ、日射量Ｔｓとに基づいて算出した目標吹出温度ＴＡＯに基づいて、空調ユニット２１から車室内に吹き出す空調風の運転モード、吹出温度、送風量などの制御量を求めて制御情報として空調ユニット２１に出力して空調ユニット２１による空調が行なわれる。   Incidentally, the auto switch is an operation switch for automatically controlling the switching of the operation mode of the blowing mode switching switch, the intake mode switching switch, and the air blowing switching switch. When this operation signal is input to the air conditioning control device 37a, the occupant Based on the set temperature and the target blowout temperature TAO calculated based on the inside air temperature Tr detected by the inside air temperature sensor 38, the outside air temperature sensor 39, and the solar radiation sensor 40, the outside air temperature Tam, and the solar radiation amount Ts, an air conditioning unit. A control amount such as an operation mode of the conditioned air blown into the passenger compartment from the vehicle 21, a blowout temperature, and an air flow rate is obtained and output to the air conditioning unit 21 as control information, and air conditioning is performed by the air conditioning unit 21.

一方、本実施形態のシート空調制御装置３７ｂは、空調制御装置３７ａからの制御情報のうち、少なくとも上記目標吹出温度ＴＡＯと湿度センサ４１により検出した湿度情報を入力するようにしている。そして、シート空調制御装置３７ｂによりシート用加熱冷却装置が制御されるものである。   On the other hand, the seat air-conditioning control device 37b of this embodiment inputs at least the target blowing temperature TAO and humidity information detected by the humidity sensor 41 among the control information from the air-conditioning control device 37a. Then, the seat heating / cooling device is controlled by the seat air conditioning control device 37b.

次に、シート用加熱冷却装置の作動を説明する。具体的には、図３に示すシート空調制御プログラムのフローチャートに基づいて送風機５１、加熱冷却器５２の出力を制御している。つまり、ステップ２１０にて、空調制御装置３７ｂから目標吹出温度ＴＡＯと、湿度センサ４１により検出した湿度情報とを読み込むとともに、ステップ２２０にて、温度センサ５３により検出したシート温度、シート空調操作パネル５４からの設定温度、運転モードを読み込む。   Next, the operation of the sheet heating / cooling device will be described. Specifically, the outputs of the blower 51 and the heating / cooling device 52 are controlled based on the flowchart of the seat air conditioning control program shown in FIG. That is, in step 210, the target blowout temperature TAO and the humidity information detected by the humidity sensor 41 are read from the air conditioning control device 37b, and in step 220, the seat temperature detected by the temperature sensor 53, and the seat air conditioning operation panel 54 are read. Read the set temperature and operation mode from.

そして、ステップ２３０にて、目標吹出温度ＴＡＯ、シート温度および設定温度に基づいて、目標シート温度を算出してシート空調仮出力特性より、送風機５１および加熱冷却器５２の出力値を仮決定する。なお、送風機５１は電圧を制御量として出力することで送風量を可変し、加熱冷却器５２は電圧を制御量として出力することで冷却、加熱量を可変するようにしている。   In step 230, the target seat temperature is calculated based on the target blowing temperature TAO, the seat temperature, and the set temperature, and the output values of the blower 51 and the heating / cooling device 52 are provisionally determined from the temporary air conditioning output characteristics of the seat. The blower 51 outputs a voltage as a controlled variable to vary the blown quantity, and the heating / cooling device 52 outputs a voltage as a controlled variable to vary the cooling and heating amount.

そして、ステップ２４０にて、ステップ２２０にて読み込まれた湿度情報に基づいて上述したシート空調仮出力値を補正する。ここでは、湿度が所定値以上のときは、シート空調の出力を高めるように制御するものであって、このときは、図中に実線で示すように、仮出力特性よりも目標シート温度が低くなる出力を発揮する電圧に補正する。   In step 240, the above-described seat air conditioning temporary output value is corrected based on the humidity information read in step 220. Here, when the humidity is above a predetermined value, control is performed to increase the output of the seat air conditioning. At this time, as shown by the solid line in the figure, the target seat temperature is lower than the temporary output characteristics. It corrects to the voltage which exhibits the output which becomes.

そして、この補正した加熱冷却器５２側の電圧と、仮決定した送風機５１側の電圧とをステップ２５０にて決定して出力する。これによれば、湿度が所定値以上のときは、加熱冷却器５２の冷風出力が上昇することで、乗員とシート３との間に生ずる蒸れ感の発生が防止できることで快適性の向上が図れる。   Then, the corrected voltage on the heating / cooling device 52 side and the temporarily determined voltage on the blower 51 side are determined and output in step 250. According to this, when the humidity is equal to or higher than a predetermined value, the cold wind output of the heating / cooling device 52 is increased, so that it is possible to prevent the generation of stuffiness between the occupant and the seat 3, thereby improving comfort. .

ところで、加熱冷却器５２はシート空調操作パネル５４からの操作情報が冷風モードのときには、送風機５１により導かれる車室内空気が第１熱交換部５２ａにより冷却されるとともに、第２熱交換部５２ｂにより加熱される。第１熱交換部５２ａにより冷却された冷風は第１ダクト３ｅ、第２ダクト３ｄを介して吹出孔３ａから吹き出される。第２熱交換部５２ｂにより加熱された温風は排気ダクト３ｆを介して車室外に排出される。   By the way, when the operation information from the seat air conditioning operation panel 54 is in the cold air mode, the heating / cooling device 52 cools the passenger compartment air guided by the blower 51 by the first heat exchange unit 52a and also by the second heat exchange unit 52b. Heated. The cold air cooled by the first heat exchange part 52a is blown out from the blowout hole 3a through the first duct 3e and the second duct 3d. The warm air heated by the second heat exchange part 52b is discharged out of the passenger compartment through the exhaust duct 3f.

一方、操作情報が温風モードのときには、送風機５１により導かれる車室内空気が第１熱交換部５２ａにより加熱されるとともに、第２熱交換部５２ｂにより冷却される。第１熱交換部５２ａにより加熱された温風は第１ダクト３ｅ、第２ダクト３ｄを介して吹出孔３ａから吹き出される。第２熱交換部５２ｂにより冷却された冷風は排気ダクト３ｆを介して車室外に排出される。   On the other hand, when the operation information is in the warm air mode, the cabin air guided by the blower 51 is heated by the first heat exchange unit 52a and cooled by the second heat exchange unit 52b. The warm air heated by the first heat exchange unit 52a is blown out from the blowout hole 3a through the first duct 3e and the second duct 3d. The cold air cooled by the second heat exchange part 52b is discharged out of the passenger compartment through the exhaust duct 3f.

以上の第１実施形態によるシート用加熱冷却装置によれば、シート空調制御装置３７ｂは、少なくとも各種センサのうち、湿度センサ４１で検出された湿度情報に基づいて、加熱冷却器５２の出力を制御することにより、シート空調が湿度に応じて制御することができることで、乗員の快適性の向上が図れる。   According to the heating / cooling device for seats according to the first embodiment described above, the seat air-conditioning control device 37b controls the output of the heating / cooling device 52 based on humidity information detected by the humidity sensor 41 among at least various sensors. By doing so, the seat air-conditioning can be controlled according to the humidity, so that passenger comfort can be improved.

また、湿度センサ４１で検出された湿度が大きいときに、加熱冷却器５２の出力を高めるように制御することにより、湿度が大きいと乗員とシート３との間に蒸れ感が生じやすいが、送風機（５１）もしくは加熱冷却器（５２）のいずれかの出力を高めるように制御することで蒸れ感の発生が防止できることで快適性の向上が図れる。なお、加熱冷却器５２は、ペルチェ効果による熱の発生、吸収を利用して加熱、冷却するペルチェ素子であることにより出力の制御を、例えば、電圧を可変するなどで容易に出力を制御できる。   In addition, when the humidity detected by the humidity sensor 41 is high, the output of the heating / cooling device 52 is controlled so as to increase the feeling of stuffiness between the occupant and the seat 3 when the humidity is high. By controlling the output of either (51) or the heating / cooling device (52) to be increased, it is possible to prevent the occurrence of stuffiness and improve comfort. Note that the heating / cooling device 52 is a Peltier element that heats and cools using the generation and absorption of heat by the Peltier effect, so that the output can be easily controlled, for example, by changing the voltage.

（第２実施形態）
以上の第１実施形態では、湿度センサ４１で検出された湿度情報に基づいて、加熱冷却器５２の出力を制御するように構成したが、これに限らず、加熱冷却器５２の出力値は仮出力値のままとして、送風機５１の出力を制御しても良い。具体的には、図４に示すように、ステップ２４０ａにて、送風機５１に出力する電圧を制御して送風量を可変させても良い。これによれば、送風機５１側を制御することで、加熱冷却器５２の出力制御よりも省動力が図れる。 (Second Embodiment)
In the above first embodiment, the output of the heating / cooling device 52 is controlled based on the humidity information detected by the humidity sensor 41. However, the output value of the heating / cooling device 52 is not limited to this. You may control the output of the air blower 51 as an output value. Specifically, as shown in FIG. 4, in step 240a, the voltage output to the blower 51 may be controlled to vary the amount of blown air. According to this, power saving can be achieved by controlling the blower 51 side as compared with the output control of the heating / cooling device 52.

（第３実施形態）
以上の実施形態では、車両用空調装置の熱負荷条件を検出するための内気温度センサ３８の近傍に湿度センサ４１を設けたが、これに限らず、具体的には、図５に示すように、シート３のパット内に配設しても良い。これによれば、湿度の検出位置として最良の配設位置であって、乗員が着座したときに正確な湿度を検出することができる。 (Third embodiment)
In the above embodiment, the humidity sensor 41 is provided in the vicinity of the inside air temperature sensor 38 for detecting the heat load condition of the vehicle air conditioner. However, the present invention is not limited to this, and specifically, as shown in FIG. Alternatively, it may be disposed in the pad of the sheet 3. According to this, it is the best arrangement position as a humidity detection position, and accurate humidity can be detected when the occupant is seated.

（他の実施形態）
以上の実施形態では、加熱冷却装置５を送風機５１と加熱冷却器５２とから構成して、シート３の下部に形成された空間６に配設したが、これに限らず、図６に示すように、シート３の下部に形成された空間６に一つの送風機５１を配設し、背当て部３ｃ内および着座部３ｂ内にそれぞれ加熱冷却器５２を配設して、送風ダクト５５で送風機５１に接続して構成しても良い。 (Other embodiments)
In the above embodiment, the heating / cooling device 5 includes the blower 51 and the heating / cooling device 52 and is disposed in the space 6 formed in the lower portion of the sheet 3, but is not limited thereto, as shown in FIG. 6. In addition, one blower 51 is disposed in the space 6 formed in the lower part of the seat 3, and a heating / cooling device 52 is disposed in each of the backrest portion 3 c and the seating portion 3 b. It may be configured to connect to.

また、以上の実施形態では、加熱冷却器５２をペルチェ素子で構成したが、これに限らず、熱電変換機能を有する熱電素子を用いて構成してもよく。また、電子冷却素子を用いて構成しても良い。また、以上の実施形態では、送風機５１をシート３内の空間６内に配設させたが、これに限らず、シート３の近傍に設けても良い。   Moreover, in the above embodiment, although the heating cooler 52 was comprised with the Peltier element, you may comprise using the thermoelectric element which has not only this but a thermoelectric conversion function. Moreover, you may comprise using an electronic cooling element. Further, in the above embodiment, the blower 51 is disposed in the space 6 in the seat 3, but the present invention is not limited thereto, and may be provided in the vicinity of the seat 3.

本発明の第１実施形態における車両用空調装置とシート用加熱冷却装置との全体構成を示す模式図である。It is a schematic diagram which shows the whole structure of the vehicle air conditioner and seat heating-cooling apparatus in 1st Embodiment of this invention. 本発明の第１実施形態におけるシート用加熱冷却装置の車両への搭載形態を示す模式図である。It is a schematic diagram which shows the mounting form to the vehicle of the heating-and-cooling apparatus for sheets in 1st Embodiment of this invention. 本発明の第１実施形態におけるシート空調制御プログラムの制御処理を示すフローチャートである。It is a flowchart which shows the control processing of the seat air-conditioning control program in 1st Embodiment of this invention. 本発明の第２実施形態におけるシート空調制御プログラムの制御処理を示すフローチャートである。It is a flowchart which shows the control processing of the sheet | seat air-conditioning control program in 2nd Embodiment of this invention. 本発明の第３実施形態における車両用空調装置とシート用加熱冷却装置との全体構成を示す模式図である。It is a schematic diagram which shows the whole structure of the vehicle air conditioner and seat heating-cooling apparatus in 3rd Embodiment of this invention. 他の実施形態におけるシート用加熱冷却装置の全体構成を示す模式図である。It is a schematic diagram which shows the whole structure of the heating-cooling apparatus for sheets in other embodiment.

符号の説明Explanation of symbols

３…シート
３ａ…空気吹出孔
２１…空調ユニット
３７ａ…空調制御装置（空調制御手段）
３７ｂ…シート空調制御装置（シート空調制御手段）
４１…湿度センサ
５１…送風機
５２…加熱冷却器、ペルチェ素子 DESCRIPTION OF SYMBOLS 3 ... Sheet 3a ... Air blowing hole 21 ... Air-conditioning unit 37a ... Air-conditioning control apparatus (air-conditioning control means)
37b ... Seat air conditioning control device (seat air conditioning control means)
41 ... Humidity sensor 51 ... Blower 52 ... Heating / cooling device, Peltier element

Claims (5)

表面に空気吹出孔（３ａ）が形成されたシート（３）と、
車室内空気を前記シート（３）内に導いて前記空気吹出孔（３ａ）に向けて送風する送風機（５１）と、
前記送風機（５１）により導かれた車室内空気を加熱、冷却する加熱冷却器（５２）と、
前記送風機（５１）および前記加熱冷却器（５２）を制御するシート空調制御手段（３７ｂ）とを備えるシート用加熱冷却装置において、
車室内の湿度を検出する湿度センサ（４１）が設けられ、
前記シート空調制御手段（３７ｂ）は、前記湿度センサ（４１）により検出された湿度情報に基づいて、前記送風機（５１）もしくは前記加熱冷却器（５２）のいずれか一方の出力を制御することを特徴とするシート用加熱冷却装置。 A sheet (3) having air blowing holes (3a) formed on the surface;
A blower (51) that guides vehicle interior air into the seat (3) and blows air toward the air blowing hole (3a);
A heating / cooling device (52) for heating and cooling the passenger compartment air guided by the blower (51);
In the sheet heating / cooling device comprising the air blower (51) and the sheet air-conditioning control means (37b) for controlling the heating / cooling device (52).
A humidity sensor (41) for detecting the humidity in the passenger compartment is provided,
The seat air conditioning control means (37b) controls the output of either the blower (51) or the heating / cooling device (52) based on the humidity information detected by the humidity sensor (41). A heating / cooling device for sheets. 表面に空気吹出孔（３ａ）が形成されたシート（３）と、
車室内空気を前記シート（３）内に導いて前記空気吹出孔（３ａ）に向けて送風する送風機（５１）と、
前記送風機（５１）により導かれた車室内空気を加熱、冷却する加熱冷却器（５２）と、
前記送風機（５１）および前記加熱冷却器（５２）を制御するシート空調制御手段（３７ｂ）とを備えるシート用加熱冷却装置において、
温度調節された空調風を車室内に吹き出す空調ユニット（２１）と乗員が設定する操作情報および各種センサで検出される温度、湿度情報に基づいて前記空調ユニット（２１）を制御する空調制御手段（３７ａ）とが設けられ、
前記シート空調制御手段（３７ｂ）は、少なくとも前記各種センサのうち、湿度センサ（４１）で検出された湿度情報に基づいて、前記送風機（５１）もしくは前記加熱冷却器（５２）のいずれか一方の出力を制御することを特徴とするシート用加熱冷却装置。 A sheet (3) having air blowing holes (3a) formed on the surface;
A blower (51) that guides vehicle interior air into the seat (3) and blows air toward the air blowing hole (3a);
A heating / cooling device (52) for heating and cooling the passenger compartment air guided by the blower (51);
In the sheet heating / cooling device comprising the air blower (51) and the sheet air-conditioning control means (37b) for controlling the heating / cooling device (52).
Air conditioning unit (21) that blows temperature-controlled air conditioning air into the passenger compartment, and air conditioning control means for controlling the air conditioning unit (21) based on operation information set by the occupant and temperature and humidity information detected by various sensors. 37a), and
The seat air-conditioning control means (37b) is one of the blower (51) and the heating / cooling device (52) based on humidity information detected by a humidity sensor (41) among at least the various sensors. A heating / cooling device for a sheet, wherein the output is controlled. 前記シート空調制御手段（３７ｂ）は、前記湿度センサ（４１）で検出された湿度が大きいときに、前記送風機（５１）もしくは前記加熱冷却器（５２）のいずれか一方の出力を高めるように制御することを特徴とする請求項１または請求項２に記載のシート用加熱冷却装置。   The seat air conditioning control means (37b) controls to increase the output of either the blower (51) or the heating / cooling device (52) when the humidity detected by the humidity sensor (41) is high. The sheet heating / cooling device according to claim 1, wherein the sheet heating / cooling device is provided. 前記湿度センサ（４１）は、前記シート（３）のパット内に配設していることを特徴とする請求項３に記載のシート用加熱冷却装置。   The sheet heating / cooling device according to claim 3, wherein the humidity sensor (41) is disposed in a pad of the sheet (3). 前記加熱冷却器（５２）は、ペルチェ効果による熱の発生、吸収を利用して加熱、冷却するペルチェ素子（５２）であることを特徴とする請求項１ないし請求項４のいずれか一項に記載のシート用加熱冷却装置。   5. The heating / cooling device (52) is a Peltier element (52) that heats and cools using generation and absorption of heat due to the Peltier effect. 6. The heating / cooling device for sheets according to the description.
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