JPS611034U - Air duct switching device - Google Patents
Air duct switching deviceInfo
- Publication number
- JPS611034U JPS611034U JP8537084U JP8537084U JPS611034U JP S611034 U JPS611034 U JP S611034U JP 8537084 U JP8537084 U JP 8537084U JP 8537084 U JP8537084 U JP 8537084U JP S611034 U JPS611034 U JP S611034U
- Authority
- JP
- Japan
- Prior art keywords
- air
- switching device
- memory alloy
- shape memory
- path switching
- 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
Landscapes
- Temperature-Responsive Valves (AREA)
- Air-Flow Control Members (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、バスに搭載された冷暖房システムを示した概
略図、第２図は、従来の送風路切換装置を示した断面図
、第３図は本考案の第１実施例による送風路切換装置を
示した断面図、第４図は、形状記憶合金の特性を示した
グラフ図、第５図は本考案の第２実施例による送風路切
換装置を示した断面図である。
２・・・冷暖房装置、３・・・分岐ダクト、４・・・冷
気送風ダクト、５・・・暖気送風ダクト、６・・・送風
路切換ダンパー、１５．２１・・・電熱ヒーター、１７
・・・コントロールボックス、１９・・Ｉ・アクチュエ
ータ、２３・・・コントローラー。Fig. 1 is a schematic diagram showing a heating and cooling system installed in a bus, Fig. 2 is a sectional view showing a conventional air passage switching device, and Fig. 3 is an air passage switching system according to the first embodiment of the present invention. FIG. 4 is a sectional view showing the device, FIG. 4 is a graph showing the characteristics of the shape memory alloy, and FIG. 5 is a sectional view showing the air flow path switching device according to the second embodiment of the present invention. 2... Air conditioning device, 3... Branch duct, 4... Cold air blower duct, 5... Warm air blower duct, 6... Air flow path switching damper, 15.21... Electric heater, 17
...Control box, 19...I actuator, 23...Controller.
Claims (1)
分岐部において送風路を切換える車両用冷暖房装置の送
風路切換装置において、加熱されると所定形状に変形し
冷却により原形状に復元する特性を有する形状記憶合金
によって少なくとも一部が構成された送風路切換ダンパ
ー又はその作動部材と、この形状記憶合金を電気的に加
熱する電気的加熱手段と、この電気的加熱手段への通電
を制御する制御手段とを具備し、上記形状記憶合金の形
状変化により上記ダンパーを変位させて上記送風路を切
換えることを特徴とする送風路切換装置。 ２ 上記形状記憶合金は、変態開始温度が上記冷暖装置
からの温風温度よりも低く設定されていることを特徴と
する実用新案登録請求の範囲第１項に記載の送風路切換
装置。 ３ 上記送風路切換ダンパーは上記形状記憶合金が加熱
されたとき上記冷気送風ダクトを閉止し、上記暖気送風
ダクトを開放し、上記制御手段は、上記冷暖房装置から
の温風が上記変態開始温度以上に達した後に上記電気的
加熱手段への通電を遮断することを特徴とする実用新案
登録請求の範囲第２項に記載の送風路切換装置。[Scope of claim for utility model registration] 1. Part of the cold air blowing duct and the hot air blowing duct are shared,
In an air passage switching device for a vehicle air conditioning/heating system that switches air passages at a branching part, the air passage is at least partially made of a shape memory alloy that has the property of deforming into a predetermined shape when heated and returning to its original shape when cooled. A switching damper or an actuating member thereof, an electric heating means for electrically heating the shape memory alloy, and a control means for controlling energization of the electric heating means, A ventilation path switching device characterized in that the ventilation path is switched by displacing the damper. 2. The air flow path switching device according to claim 1, wherein the shape memory alloy has a transformation start temperature set lower than the temperature of the hot air from the cooling/heating device. 3. The blower path switching damper closes the cold air blower duct and opens the hot air blower duct when the shape memory alloy is heated, and the control means controls the hot air from the air-conditioning device to be at or above the transformation start temperature. The air flow path switching device according to claim 2, which is characterized in that the electricity supply to the electric heating means is cut off after reaching the temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8537084U JPS611034U (en) | 1984-06-08 | 1984-06-08 | Air duct switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8537084U JPS611034U (en) | 1984-06-08 | 1984-06-08 | Air duct switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS611034U true JPS611034U (en) | 1986-01-07 |
Family
ID=30635701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8537084U Pending JPS611034U (en) | 1984-06-08 | 1984-06-08 | Air duct switching device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS611034U (en) |
-
1984
- 1984-06-08 JP JP8537084U patent/JPS611034U/en active Pending
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