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JP2013226942A - Indoor humidity control device for electric automobile or the like - Google Patents

Indoor humidity control device for electric automobile or the like Download PDF

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Publication number
JP2013226942A
JP2013226942A JP2012100495A JP2012100495A JP2013226942A JP 2013226942 A JP2013226942 A JP 2013226942A JP 2012100495 A JP2012100495 A JP 2012100495A JP 2012100495 A JP2012100495 A JP 2012100495A JP 2013226942 A JP2013226942 A JP 2013226942A
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air
vehicle
dehumidifying
dehumidifying unit
humidity control
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Takumasa Watanabe
琢昌 渡邊
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YOKOHAMA NETSU RIYO GIJUTSU KENKYUSHO KK
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YOKOHAMA NETSU RIYO GIJUTSU KENKYUSHO KK
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88Optimized components or subsystems, e.g. lighting, actively controlled glasses

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  • Air-Conditioning For Vehicles (AREA)
  • Drying Of Gases (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

PROBLEM TO BE SOLVED: To save energy such as electric power to be used for regenerating a dehumidifying material disposed in an electric car, a plug-in hybrid car or the like, when a means for absorbing vapor (insensible transpiration) generated from occupants to reduce the electric power to be used for deffoging or heating the cabin.SOLUTION: Open air is introduced to an in-vehilce battery or a power converter when an electric car is charged. The air whose temperature is increased after cooled is introduced to a dehumidifying unit mounted in a cabin so as to regenerate a dehumidifying material. Energy such as electric power to be used to regenerate the dehumidifying material can be reduced, and energy saving can be achieved.

Description

本発明は、電気自動車やプラグインハイブリッド自動車など(以下、電気自動車等という)の運転時の視界を遮るウインドウの曇りを防止する車内調湿装置に関する。 The present invention relates to an in-vehicle humidity control device that prevents fogging of a window that obstructs the field of view during driving of an electric vehicle, a plug-in hybrid vehicle, and the like (hereinafter referred to as an electric vehicle).

近年、電気自動車等が実用化されているが、外気温度が低い条件での航続可能距離が著しく低下するという問題が発生している。 In recent years, electric vehicles and the like have been put into practical use, but there has been a problem that the cruising distance under a condition where the outside air temperature is low is remarkably reduced.

これは、走行時に発生するウインドウの曇り防止のため、車室内部の湿度を低く保つ目的で低温外気を導入した後に、低温外気の加温に車載バッテリーからの電力を使用することが原因である。 This is due to the use of electric power from the in-vehicle battery for warming the low temperature outside air after the introduction of the low temperature outside air for the purpose of keeping the humidity inside the vehicle interior low in order to prevent fogging of the window generated during traveling. .

従来の自動車では、エンジン排熱を利用し外気を加温するなどの対策を行っているが、電気自動車では走行中に利用可能な有効な排熱源が無いために、この手法は取れない。 Conventional automobiles take measures such as heating the outside air by using engine exhaust heat. However, this method cannot be used for electric cars because there is no effective exhaust heat source available during driving.

電気自動車等は車載のリチウムイオン電池などのバッテリーに電力を蓄え、この電力によりモータを駆動して走行するから、暖房などのために電力を消費する事は、バッテリーの容量アップに繋がり経済性を損なうこととなる。従って、電力の使用を抑制できる空調システムの開発は喫緊の課題である。 Electric vehicles, etc. store electric power in a battery such as an on-vehicle lithium-ion battery and drive the motor with this electric power, so consuming electric power for heating etc. leads to an increase in battery capacity and economic efficiency. You will lose. Therefore, the development of an air conditioning system that can suppress the use of electric power is an urgent issue.

近年、電気自動車等の車内除湿を効果的に行う手段として、除湿材を用いる技術が提案されている。例えば下記特許文献1では、車体内部に除湿材を有する除湿ユニットを配置し、走行時に乗員から生じる水蒸気(不感常泄)を除湿材で吸湿し、車室内空気を循環する技術が記載されている。 In recent years, a technique using a dehumidifying material has been proposed as a means for effectively dehumidifying the interior of an electric vehicle or the like. For example, the following Patent Document 1 describes a technique in which a dehumidifying unit having a dehumidifying material is disposed inside a vehicle body, water vapor (insensitive excretion) generated from an occupant during traveling is absorbed by the dehumidifying material, and the vehicle interior air is circulated. .

特許第4801197号Patent No. 4801197

しかしながら、前記特許文献1記載の電気自動車用防曇・空調システムでは、電気自動車等の停車中に除湿材の再生を行う際、電力を用いたヒーターなどの加熱手段にて空気を高温化した後に除湿材へ導く構成としている。 However, in the anti-fogging / air conditioning system for electric vehicles described in Patent Document 1, when the dehumidifying material is regenerated while the electric vehicle is stopped, the air is heated by a heating means such as a heater using electric power. It is configured to lead to a dehumidifying material.

このため、空気加熱に使用される電力量が増大する。これは省エネルギーの観点から損失である。 For this reason, the electric energy used for air heating increases. This is a loss from the viewpoint of energy saving.

一方、電気自動車等の停車中に実施される充電行程では、車載のバッテリーや電力変換装置にて充電損失が発生する。そのため、充電時にはバッテリーや電力変換装置を通風冷却している。 On the other hand, in a charging process carried out while an electric vehicle or the like is stopped, charging loss occurs in an in-vehicle battery or a power conversion device. For this reason, the battery and the power converter are cooled by ventilation during charging.

本発明の主たる課題は、寒冷時に電気自動車等の航続可能距離が著しく減少する問題を解決するために用いられる除湿材を活用した空調システムにおいて、除湿材の再生エネルギーを削減し、さらなる省エネルギーを達成する電気自動車等の車内調湿装置を提供することにある。 The main problem of the present invention is to reduce the regenerative energy of the dehumidifying material and achieve further energy saving in the air conditioning system using the dehumidifying material used to solve the problem that the cruising distance of an electric vehicle or the like significantly decreases during cold weather. An object of the present invention is to provide an in-vehicle humidity control apparatus such as an electric vehicle.

本発明によれば、電気自動車等において、その車体内部に、水分吸湿作用を発生する除湿材を内包する除湿ユニットを少なくとも1セット以上配置し、バッテリー充電時に、併せて電気ヒーターと送風ファンからなる温風製造手段を稼働させ、製造された温風を除湿材へ導く構成に加え、除湿ユニットへ導く空気を、少なくともバッテリーあるいは電力変換装置を冷却した後の空気の全量あるいは一部とし、更に除湿材を通過した後の空気を車室外へ排気する構成とした。 According to the present invention, in an electric vehicle or the like, at least one set of dehumidifying units including a dehumidifying material that generates a moisture-absorbing action is disposed inside the vehicle body, and at the time of charging the battery, an electric heater and a blower fan are included. In addition to the configuration that operates the hot air production means and guides the produced hot air to the dehumidifying material, the air that leads to the dehumidifying unit is at least the whole or part of the air after cooling the battery or power converter, and further dehumidifies It was set as the structure which exhausts the air after passing a material out of a vehicle interior.

除湿材の再生手段をこのように構成したことにより、寒冷時等の走行中において、乗員から発生する水蒸気(不感常泄)を除湿材に吸湿させることで、車室内の空気の循環暖房が可能となり、ウインドウなどの曇り防止と共に、効果的な車内暖房が可能となる上に、水分を吸湿した後の除湿材再生に使用する電力などのエネルギー消費量を低減できる。 By constructing the dehumidifying material regeneration means in this way, it is possible to circulate and heat the air in the passenger compartment by absorbing moisture (insensitive excretion) generated by the occupant during traveling in cold weather, etc. In addition to preventing fogging of windows and the like, it is possible to effectively heat the interior of the vehicle and to reduce energy consumption such as electric power used for regenerating the dehumidifying material after absorbing moisture.

一般に除湿ユニット内部に設置される除湿材は、紙や樹脂の板材ならびに折り曲げ材を複数積層した断面がダンボール形状の構造物を使用している。その特徴は、通過空気の通風抵抗を低く抑え、均一な空気流が得られることである。本発明でもこのような構造の除湿材を使用するが、担持される吸湿剤を空気温度が80℃以下でも再生が可能である吸湿剤(例えば、高分子収着剤)としている。 In general, the dehumidifying material installed in the dehumidifying unit uses a cardboard-shaped structure in which a plurality of paper and resin plate materials and bending materials are laminated. The feature is that the ventilation resistance of the passing air is kept low and a uniform air flow is obtained. In the present invention, the dehumidifying material having such a structure is used, but the supported hygroscopic agent is a hygroscopic agent (for example, a polymer sorbent) that can be regenerated even at an air temperature of 80 ° C. or lower.

以上説明したとおり本発明の除湿ユニット通風装置を用いれば、電気自動車等に搭載される除湿ユニット内の除湿材の再生に、少なくとも車載バッテリーあるいは車載の電力変換装置を冷却した後の空気を使用できるので、再生のための電気ヒーターの電力使用量低減が可能となる。さらに、使用する除湿材に担持される吸湿剤として、80℃以下でも再生が可能である吸湿剤(例えば、高分子収着剤)を使用することで、バッテリーおよび車載の電力変換装置を冷却した後の空気にても十分な再生が達成され、追加的な電気ヒーター加温が不要あるいは低減されるため、更に省エネルギーが達成できる。 As described above, when the dehumidifying unit ventilation device of the present invention is used, air after cooling at least the in-vehicle battery or the in-vehicle power conversion device can be used to regenerate the dehumidifying material in the dehumidifying unit mounted on the electric vehicle or the like. Therefore, it is possible to reduce the power consumption of the electric heater for regeneration. Furthermore, as a moisture absorbent carried on the dehumidifying material to be used, a battery and a vehicle-mounted power converter are cooled by using a moisture absorbent (for example, a polymer sorbent) that can be regenerated even at 80 ° C. or lower. Sufficient regeneration is achieved even in the later air, and additional energy saving is not required or reduced, so that further energy saving can be achieved.

本発明に係る電気自動車等に設置される車内調湿装置の構成図である。除湿ユニット(1)、その内部に設置された除湿材(2)ならびに電気ヒーター(3)、除湿ユニット(1)に接続される空気管路(5a)、(5b)、(6a)、(6b)、除湿ユニット(1)の両端部に設置される流路切り替え装置(8a)、(8b)、送風ファン(4a)、(4b)、および制御装置(13)などから構成される。It is a block diagram of the in-vehicle humidity control apparatus installed in the electric vehicle etc. which concern on this invention. Dehumidifying unit (1), dehumidifying material (2) installed therein and electric heater (3), air ducts (5a), (5b), (6a), (6b) connected to dehumidifying unit (1) ), Flow path switching devices (8a) and (8b) installed at both ends of the dehumidifying unit (1), blower fans (4a) and (4b), and a control device (13).

以下、本発明の実施の形態について図面を参照しながら詳述する。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

図1に示すように、本発明による電気自動車等の車内調湿装置では、走行時を主体とする走行モード時において、送風ファン(4a)を稼働させ、車室内から調湿空気管路(5a)を経由して車室内空気を除湿ユニット(1)へ取り込む。この時の第一の流路切り替え装置(8a)は、制御装置(13)からの指令に基づき内部のガイドベーン(14a)を駆動して、調湿空気管路(5a)が接続される開口部を開とし、排気管路(5b)が接続される開口部を閉としている。また、同時に除湿ユニット(1)の他端に設置される第二の流路切り替え装置(8b)は、制御装置(13)からの指令に基づき内部のガイドベーン(14b)を駆動して、防曇ダクト(6b)が接続される開口部を開とし、再生空気管路(6a)が接続される開口部を閉としている。この結果、除湿ユニット(1)を通過した車室内空気の全量あるいは一部は、防曇ノズル(7)からウインドウ等へ向けて車室内に噴射されるので、車内空気が循環する空気流路が形成される。また、車室内空気は除湿材(2)を通過する際に、その相対湿度に応じて、除湿材(2)にて除湿され、その後、加熱手段である電気ヒーター(3)により、所定温度範囲に調整される。 As shown in FIG. 1, in an in-vehicle humidity control apparatus for an electric vehicle or the like according to the present invention, a blower fan (4a) is operated in a traveling mode mainly for traveling, and a humidity-controlled air duct (5a) is driven from the passenger compartment. ) Through the vehicle interior air into the dehumidifying unit (1). At this time, the first flow path switching device (8a) drives the internal guide vane (14a) based on a command from the control device (13) and is connected to the humidity control air line (5a). The opening is connected and the opening to which the exhaust pipe (5b) is connected is closed. At the same time, the second flow path switching device (8b) installed at the other end of the dehumidifying unit (1) drives the internal guide vane (14b) based on a command from the control device (13) to prevent The opening to which the cloud duct (6b) is connected is opened, and the opening to which the regenerative air pipe (6a) is connected is closed. As a result, the entire amount or a part of the passenger compartment air that has passed through the dehumidifying unit (1) is injected into the passenger compartment from the anti-fogging nozzle (7) toward the window or the like. It is formed. Further, when the vehicle interior air passes through the dehumidifying material (2), it is dehumidified by the dehumidifying material (2) according to the relative humidity, and thereafter, the predetermined temperature range by the electric heater (3) as a heating means. Adjusted to

一方、充電時を主体とする再生モード時には、制御装置(13)は、送気ファン(4b)を稼働させると共に、送気ファン(4a)を停止し、第二の流路切り替え装置(8b)においては、車載バッテリー(11)あるいは車載の電力変換装置(12)あるいは両方を冷却した後の空気の全量あるいは一部を除湿ユニット(1)へ導く再生空気管路(6a)へ通じる開口部を開くと共に、除湿ユニット(1)を通過した空気を防曇ノズル(7)へ送気する防曇ダクト(6b)との開口部を閉じる制御を行う。それと共に、第一の流路切り替え装置(8a)においては、除湿ユニット(1)を通過した空気を排気管路(5b)へ導く開口部を開くと共に、車室内空気を除湿ユニット(1)へ導く調湿空気管路(5a)との開口部を閉じる制御を行う。同時に制御装置(13)は、加熱手段として用いる電気ヒーター(3)を通過した後の空気温度が所定温度範囲となるよう電気ヒーター(3)への電力供給量を制御する。 On the other hand, in the regeneration mode mainly for charging, the control device (13) operates the air supply fan (4b), stops the air supply fan (4a), and the second flow path switching device (8b). , An in-vehicle battery (11), an in-vehicle power converter (12), or an opening that leads to a regenerative air line (6a) that guides all or part of the air after cooling both to the dehumidifying unit (1). While opening, control which closes the opening part with the anti-fog duct (6b) which sends the air which passed the dehumidification unit (1) to the anti-fog nozzle (7) is performed. At the same time, in the first flow path switching device (8a), the opening that guides the air that has passed through the dehumidifying unit (1) to the exhaust pipe (5b) is opened, and the air in the passenger compartment is sent to the dehumidifying unit (1). Control which closes the opening part with the humidity-control air line (5a) to guide is performed. At the same time, the control device (13) controls the amount of power supplied to the electric heater (3) so that the air temperature after passing through the electric heater (3) used as the heating means falls within a predetermined temperature range.

電気自動車等の車内調湿装置の構成と作用
例えば冬季や梅雨時など外気温が相対的に車内温度に比べて低い状態においては、ウインドウも低温であるために、比較的短時間で乗員から発生する水蒸気(不感常泄)がウインドウに結露し曇りが発生する。
Configuration and operation of interior humidity control devices such as electric vehicles, such as in winter and in the rainy season, when the outside temperature is relatively low compared to the interior temperature, the window is also cold, so it is generated from the occupant in a relatively short time. Water vapor (insensitive normal excretion) is condensed on the window and cloudy.

走行時や乗員乗車時の電気自動車等においては、車載のバッテリー(11)から車内暖房や視界確保のための必要エネルギーを供給するので、航続可能距離が短縮されることが大きな課題となる。この解決に向けて車内に除湿材を内包する設置ユニットを設置し、乗員が発する不感常泄(水蒸気)を吸湿させる新しい技術が見られるが、除湿材の再生には、例えば外気を加熱し低相対湿度となった空気を除湿材へ通気し、除湿材に含まれる水分を除去する再生行程が必要である。この時、空気加熱に電力を使用するため、省エネルギーが課題となっている。このような課題を解決する観点から、本発明による電気自動車等の車内調湿装置における省エネルギー効果に付いて説明する。 In an electric vehicle or the like when traveling or occupant is occupying a vehicle, the necessary energy for heating the vehicle and ensuring visibility is supplied from the in-vehicle battery (11). To solve this problem, there is a new technology that installs an installation unit that encloses the dehumidifying material in the vehicle and absorbs insensitive normal excretion (water vapor) generated by the passengers. A regeneration process is required in which air having a relative humidity is passed through the dehumidifying material to remove moisture contained in the dehumidifying material. At this time, since power is used for air heating, energy saving is an issue. From the viewpoint of solving such a problem, the energy saving effect in the in-vehicle humidity control apparatus such as an electric vehicle according to the present invention will be described.

本発明による電気自動車等の車内調湿装置では、電気自動車等の充電時に行われる除湿ユニット(1)内の除湿材(2)の再生に、車載バッテリー(11)や車載の電力変換装置(12)の冷却に使用された空気を用いる。すなわち、車載バッテリー(11)や車載の電力変換装置(12)の冷却に使用され、温度上昇した空気を、再生空気管路(6a)を経由して除湿ユニット(1)へ断熱的に導く構成としている。 In an in-vehicle humidity control apparatus such as an electric vehicle according to the present invention, an in-vehicle battery (11) or an in-vehicle power converter (12) is used to regenerate the dehumidifying material (2) in the dehumidifying unit (1) when charging the electric vehicle. ) Air used for cooling is used. That is, a configuration that is used for cooling the in-vehicle battery (11) and the in-vehicle power conversion device (12) and adiabatically guides the air whose temperature has risen to the dehumidifying unit (1) through the regeneration air pipe (6a). It is said.

このように、本発明による電気自動車等の車内調湿装置では、除湿材(2)の再生に必要な相対湿度の低い高温の空気製造に、車載バッテリー(11)や車載の電力変換装置(12)を冷却して温度上昇した空気を使用する構成としているので、従来のシステムでは不可欠であった空気加熱のための電力エネルギーの使用削減が達成され、省エネルギーの有効手段となっている。 As described above, in the in-vehicle humidity control apparatus such as an electric vehicle according to the present invention, the in-vehicle battery (11) and the in-vehicle power converter (12) can be used for producing high-temperature air having a low relative humidity necessary for the regeneration of the dehumidifying material (2). ) Is used by using air whose temperature has been increased by cooling, so that reduction of the use of electric power energy for air heating, which has been indispensable in conventional systems, has been achieved, which is an effective means of energy saving.

1・・・除湿ユニット、
2・・・除湿材、
3・・・加熱手段(電気ヒーター)、
4a、4b・・・送風ファン、
5a・・・調湿空気管路、
5b・・・排気管路、
6a・・・再生空気管路、
6b・・・防曇ダクト、
7・・・防曇ノズル、
8a、8b・・・流路切り替え装置、
9・・・外気導入管路、
11・・・車載バッテリー、
12・・・車載電力変換装置、
13・・・制御装置、
14a、14b・・・ガイドベーン、
30・・・車室、
31・・・車載空調システム、
32・・・空気混入手段

1 ... dehumidifying unit,
2. Dehumidifying material,
3 ... heating means (electric heater),
4a, 4b ... Blower fan,
5a ... humidity control air line,
5b: exhaust pipe line,
6a ... Regenerative air line,
6b ... Anti-fogging duct,
7 ... Anti-fogging nozzle,
8a, 8b ... flow path switching device,
9: Outside air introduction conduit,
11 ... In-vehicle battery,
12 ... In-vehicle power converter,
13 ... Control device,
14a, 14b ... guide vanes,
30 ...
31 ... In-vehicle air conditioning system,
32 ... Air mixing means

Claims (4)

バッテリーに蓄電された電力を電動機の動力源として走行する電気自動車等の車体内部に、通過する空気中の水分を吸湿あるいは、通過する空気中へ水分を排出する脱湿などの作用を有する除湿材(2)と、通過する空気を加熱する加熱手段(3)を内包する除湿ユニット(1)を設置した電気自動車等の車内調湿装置であって、前記除湿ユニット(1)の一方の端部に設置される第一の空間部には、車室(30)の空気を前記除湿ユニット(1)へ導く調湿空気管路(5a)と、前記除湿ユニット(1)内の加熱手段(3)を経て除湿材(2)を通過した後の空気を除湿ユニット(1)から車外へ排気する排気管路(5b)が接続され、前記除湿ユニット(1)の他方の端部に設置される第二の空間部には、車載バッテリー(11)あるいは車載の電力変換装置(12)を冷却した後の空気の全量あるいは一部を、除湿ユニット(1)へ導く再生空気管路(6a)と、前記除湿ユニット(1)内の除湿材(2)を経て加熱手段(3)を通過した後の空気の全量あるいは一部を、除湿ユニット(1)からウインドウなどへ向けて噴出する防曇ノズル(7)へ接続する防曇ダクト(6b)が接続され、走行中や乗員乗車中などの走行モード時には車室内空気を前記調湿ユニット(1)内の除湿材(2)を通過した後に、前記加熱手段(3)を経由した後に防曇ノズル(7)を経て車室内へ循環通気する管路構成を形成し、バッテリー充電時などの再生モード時には、車載バッテリー(11)あるいは車載の電力変換装置(12)あるいは両方を冷却した後の空気の全量あるいは一部を前記除湿ユニット(1)内の加熱手段(3)を通過した後に除湿材(2)を経由させた後に、排気管路(5b)を経て、車外へ排気する管路構成を形成するために、除湿ユニット(1)の一方の端部に設置される第一の空間部には流路切り替え装置(8a)を、除湿ユニット(1)の他方の端部に設置される第二の空間部には流路切り替え装置(8b)を設置し、これらの流路切り替え装置(8a)、(8b)と送気ファン(4a)、(4b)ならびに加熱手段(3)を制御する制御装置(13)を設置し、運転モードごとに管路構成を可変としたことを特徴とする電気自動車等の車内調湿装置。
A dehumidifying material having the action of absorbing moisture in the passing air or dehumidifying the moisture into the passing air inside the body of an electric vehicle or the like that runs using the electric power stored in the battery as the power source of the electric motor. (2) and an in-vehicle humidity control apparatus such as an electric vehicle in which a dehumidifying unit (1) including heating means (3) for heating passing air is installed, and one end of the dehumidifying unit (1) In the first space part installed in the dehumidifying unit (1), a humidity control air line (5a) for guiding the air in the passenger compartment (30) to the dehumidifying unit (1) and heating means (3 in the dehumidifying unit (1)) ) Is connected to an exhaust pipe (5b) for exhausting the air after passing through the dehumidifying material (2) from the dehumidifying unit (1) to the outside of the vehicle, and installed at the other end of the dehumidifying unit (1). In the second space, there is an in-vehicle battery (11) A regenerative air pipe (6a) for guiding all or part of the air after cooling the on-vehicle power converter (12) to the dehumidifying unit (1), and a dehumidifying material (2) in the dehumidifying unit (1) Connected to the anti-fogging duct (6b) for connecting the whole or part of the air after passing through the heating means (3) through the dehumidifying unit (1) to the anti-fogging nozzle (7) for jetting toward the window or the like In the traveling mode such as traveling or occupant riding, the air in the passenger compartment passes through the dehumidifying material (2) in the humidity control unit (1), then passes through the heating means (3), and then the anti-fogging nozzle ( 7) to form a conduit structure that circulates and ventilates into the passenger compartment, and in a regeneration mode such as when the battery is charged, the total amount of air after cooling the in-vehicle battery (11) or the in-vehicle power converter (12) or both Or partly In order to form a conduit configuration for exhausting outside the vehicle through the exhaust conduit (5b) after passing through the dehumidifying material (2) after passing through the heating means (3) in the dehumidifying unit (1), A flow path switching device (8a) is provided in the first space portion installed at one end of the dehumidifying unit (1), and the second space portion installed at the other end of the dehumidifying unit (1). Installed a flow path switching device (8b), and a control device (13) for controlling the flow path switching devices (8a), (8b), the air supply fans (4a), (4b) and the heating means (3). An in-vehicle humidity control apparatus for an electric vehicle or the like, characterized in that the pipe configuration is variable for each operation mode.
請求項1に記載の電気自動車等の車内調湿装置において、走行モード時には、送気ファン(4a)を稼働させると共に、送気ファン(4b)を停止し、第一の流路切り替え装置(8a)は、除湿ユニット(1)から排気管路(5b)への開口部を閉じると共に、車室内空気を除湿ユニット(1)へ導く調湿空気管路(5a)への開口部を開く動作を行う。また、同時に第二の流路切り替え装置(8b)は、除湿ユニット(1)と再生空気管路(6a)へ通じる開口部を閉じると共に、除湿ユニット(1)を通過した空気を防曇ノズル(7)へ送気する防曇ダクト(6b)との開口部を開く動作を行う。その際、加熱手段(3)を通過した後の空気温度が所定温度範囲となるように加熱手段(3)へのエネルギー供給量を制御装置(13)にて制御する。
一方、再生モード時には、送気ファン(4b)を稼働させると共に、送気ファン(4a)を停止し、第二の流路切り替え装置(8b)は、車載バッテリー(11)あるいは車載の電力変換装置(12)あるいは両方を冷却した後の空気の全量あるいは一部を除湿ユニット(1)へ導く再生空気管路(6a)へ通じる開口部を開くと共に、除湿ユニット(1)を通過した空気を防曇ノズル(7)へ送気する防曇ダクト(6b)との開口部を閉じる動作を行う。それと共に、第一の流路切り替え装置(8a)は、除湿ユニット(1)を通過した空気を排気管路(5b)へ導く開口部を開くと共に、車室内空気を除湿ユニット(1)へ導く調湿空気管路(5a)との開口部を閉じる動作を行う。その際、加熱手段(3)を通過した後の空気温度が所定温度範囲となるよう加熱手段(3)へのエネルギー供給量を制御装置(13)からの指令に基づき制御することを特徴とする電気自動車等の車内調湿装置。
In the in-vehicle humidity control apparatus for an electric vehicle or the like according to claim 1, in the traveling mode, the air supply fan (4a) is operated, the air supply fan (4b) is stopped, and the first flow path switching device (8a) is operated. ) Closes the opening from the dehumidification unit (1) to the exhaust pipe (5b) and opens the opening to the humidity control air pipe (5a) that guides the cabin air to the dehumidification unit (1). Do. At the same time, the second flow path switching device (8b) closes the opening leading to the dehumidifying unit (1) and the regeneration air pipe (6a) and removes the air that has passed through the dehumidifying unit (1) from the anti-fogging nozzle ( 7) An operation of opening the opening with the anti-fogging duct (6b) for supplying air is performed. At that time, the amount of energy supplied to the heating means (3) is controlled by the control device (13) so that the air temperature after passing through the heating means (3) falls within a predetermined temperature range.
On the other hand, in the regeneration mode, the air supply fan (4b) is operated and the air supply fan (4a) is stopped, and the second flow path switching device (8b) can be an in-vehicle battery (11) or an in-vehicle power conversion device. (12) Or, after cooling both, open an opening that leads to the regeneration air pipe (6a) that leads all or part of the air to the dehumidification unit (1), and prevents air that has passed through the dehumidification unit (1). The operation of closing the opening with the anti-fogging duct (6b) for feeding air to the fogging nozzle (7) is performed. At the same time, the first flow path switching device (8a) opens an opening that guides the air that has passed through the dehumidifying unit (1) to the exhaust pipe (5b), and guides the vehicle interior air to the dehumidifying unit (1). The operation of closing the opening with the humidity control air pipe (5a) is performed. At that time, the amount of energy supplied to the heating means (3) is controlled based on a command from the control device (13) so that the air temperature after passing through the heating means (3) falls within a predetermined temperature range. In-vehicle humidity control equipment for electric vehicles.
請求項1、2に記載の電気自動車等の車内調湿装置において、前記除湿ユニット(1)内の除湿材(2)を経て加熱手段(3)を通過した後の空気の全量または一部を、除湿ユニット(1)からウインドウなどへ向けて噴出する防曇ノズル(7)へ接続する防曇ダクト(6b)に、電気自動車等に設置される空調装置(31)からの空気導入あるいは、空調装置(31)への送気を行う空気混入手段(32)を設置したことを特徴とする電気自動車等の車内調湿装置。
In-vehicle humidity control apparatus such as an electric vehicle according to claim 1 or 2, wherein all or part of the air after passing through the heating means (3) through the dehumidifying material (2) in the dehumidifying unit (1) Introducing air from an air conditioner (31) installed in an electric vehicle or the like to an antifogging duct (6b) connected to an antifogging nozzle (7) ejected from a dehumidifying unit (1) toward a window or the like An in-vehicle humidity control apparatus for an electric vehicle or the like, characterized in that an air mixing means (32) for supplying air to the apparatus (31) is installed.
請求項1、2、3に記載の電気自動車等の除湿ユニット(1)内に設置される除湿材(2)は高分子収着剤を紙や樹脂などのペーパー材に担持した後に、ダンボール状とし、これをブロック状あるいは円筒状積層した構造を有することを特徴とする電気自動車等の車内調湿装置。

A dehumidifying material (2) installed in a dehumidifying unit (1) of an electric vehicle or the like according to claim 1, 2, or 3 is a corrugated cardboard after a polymer sorbent is supported on a paper material such as paper or resin. And a humidity control device for an interior of an electric vehicle or the like, characterized by having a structure in which these are laminated in a block shape or a cylindrical shape.

JP2012100495A 2012-04-25 2012-04-25 Indoor humidity control device for electric automobile or the like Pending JP2013226942A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015136964A (en) * 2014-01-21 2015-07-30 マツダ株式会社 Air-conditioning control device for vehicle
JP2018039514A (en) * 2012-08-05 2018-03-15 株式会社横浜熱利用技術研究所 Dehumidification device for vehicle
CN112709708A (en) * 2019-10-25 2021-04-27 中冶长天国际工程有限责任公司 Cooling fan control method and device for analytic tower

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018039514A (en) * 2012-08-05 2018-03-15 株式会社横浜熱利用技術研究所 Dehumidification device for vehicle
JP2015136964A (en) * 2014-01-21 2015-07-30 マツダ株式会社 Air-conditioning control device for vehicle
CN112709708A (en) * 2019-10-25 2021-04-27 中冶长天国际工程有限责任公司 Cooling fan control method and device for analytic tower
CN112709708B (en) * 2019-10-25 2022-10-04 中冶长天国际工程有限责任公司 Cooling fan control method and device for analytic tower

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