JPH03107640U - - Google Patents
Info
- Publication number
- JPH03107640U JPH03107640U JP1989128593U JP12859389U JPH03107640U JP H03107640 U JPH03107640 U JP H03107640U JP 1989128593 U JP1989128593 U JP 1989128593U JP 12859389 U JP12859389 U JP 12859389U JP H03107640 U JPH03107640 U JP H03107640U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- housings
- blocking plate
- elastic member
- communication
- 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
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 3
- 238000009423 ventilation Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Greenhouses (AREA)
- Ventilation (AREA)
Description
第1図は本考案の好適な実施例に係る換気装置
を樹脂フイルムのトンネルに採用した状態で示す
概略構成図、第2図は第1図に示す換気装置を閉
成した状態を示す要部拡大断面図、第2図は第1
図に示す換気装置を開放した状態を示す要部拡大
断面図、第4図は形状記憶合金製コイルばねおよ
び圧縮ばねの荷重と変位量との関係を示すグラフ
、第5図は形状記憶合金製コイルばねのヘタリ具
合を示す実験データの説明図である。
14……樹脂フイルム、22……第1ハウジン
グ、22b……開口、26……第2ハウジング、
26b……開口、30……円盤、32……圧縮ば
ね、38……固定部、40……形状記憶合金製コ
イルばね。
Fig. 1 is a schematic configuration diagram showing a ventilating device according to a preferred embodiment of the present invention in a resin film tunnel, and Fig. 2 is a main part showing the ventilating device shown in Fig. 1 in a closed state. Enlarged sectional view, Figure 2 is the 1st
Figure 4 is a graph showing the relationship between the load and displacement of shape memory alloy coil springs and compression springs. Figure 5 is a shape memory alloy coil spring and compression spring. It is an explanatory view of experimental data showing the degree of fatigue of a coil spring. 14... Resin film, 22... First housing, 22b... Opening, 26... Second housing,
26b...Opening, 30...Disc, 32...Compression spring, 38...Fixing portion, 40...Shape memory alloy coil spring.
補正 平3.5.13
図面の簡単な説明を次のように補正する。
明細書第19頁第7行「…拡大断面図、第2図
は第1」を、「…拡大断面図、第3図は第1」と
補正します。Amendment 3/5/13 The brief description of the drawing is amended as follows. Page 19, line 7 of the specification, "...Enlarged cross-sectional view, Figure 2 is No. 1" is corrected to "...Enlarged cross-sectional view, Figure 3 is No. 1."
Claims (1)
され、外部と連通する開口22bを開設した第1
ハウジング22と、 前記遮蔽部材14の内側に配設されて前記密閉
空間内に臨み、該空間に連通する開口26bを介
して前記第1ハウジング22と連通する第2ハウ
ジング26と、 前記第1ハウジング22および第2ハウジング
26の内部に摺動可能に配設され、弾性部材32
により弾圧されて所定位置に臨んで、常には両ハ
ウジング22,26の連通を遮断する遮断板30
と、 前記第2ハウジング26に収納されて適宜の固
定部38と前記遮断板30とに連結され、常には
伸長状態を保持している形状記憶合金のアクチユ
エータ40とからなり、 周囲温度が所定値に達した際に、前記アクチユ
エータ40が形状記憶を回復して、前記遮断板3
0を弾性部材32の弾力に抗して移動させること
により、両ハウジング22,26間を連通状態と
し、 周囲温度が前記温度から所定値だけ低下した際
に、前記遮断板30は弾性部材32の復帰弾力に
より原位置まで移動されて、再び両ハウジング2
2,26間の連通を遮断し得るよう構成した ことを特徴とする換気装置。[Claims for Utility Model Registration] A first shielding member disposed outside the shielding member 14 defining a sealed space and having an opening 22b communicating with the outside.
a housing 22; a second housing 26 that is disposed inside the shielding member 14 and faces the sealed space and communicates with the first housing 22 through an opening 26b that communicates with the space; and the first housing 22 and the second housing 26, the elastic member 32 is slidably arranged inside the second housing 22 and the second housing 26.
A blocking plate 30 that is pressed against the housing and faces a predetermined position and normally blocks communication between the two housings 22 and 26.
and an actuator 40 made of a shape memory alloy that is housed in the second housing 26 and connected to an appropriate fixing part 38 and the blocking plate 30 and always maintains an extended state, when the ambient temperature is at a predetermined value. , the actuator 40 recovers its shape memory and the blocking plate 3
0 against the elasticity of the elastic member 32, the two housings 22 and 26 are brought into communication, and when the ambient temperature drops from the temperature by a predetermined value, the shielding plate 30 moves the elastic member 32. Both housings 2 are moved back to their original positions due to the return elasticity, and both housings 2 are moved back to their original positions.
1. A ventilation system characterized by being configured to be able to cut off communication between 2 and 26.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989128593U JPH03107640U (en) | 1989-11-02 | 1989-11-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989128593U JPH03107640U (en) | 1989-11-02 | 1989-11-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03107640U true JPH03107640U (en) | 1991-11-06 |
Family
ID=31676290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989128593U Pending JPH03107640U (en) | 1989-11-02 | 1989-11-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03107640U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5339394B1 (en) * | 2013-05-24 | 2013-11-13 | ヒノックス商事株式会社 | Solar heat seedling cover |
JP2020130127A (en) * | 2019-02-25 | 2020-08-31 | Wwb株式会社 | Framework for greenhouse, greenhouse, and method for installing the same |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6237626A (en) * | 1985-08-09 | 1987-02-18 | Keiichi Yasukawa | Temperature sensing automatic ventilator |
JPS62134430A (en) * | 1985-12-06 | 1987-06-17 | Keiichi Yasukawa | Ventilation device |
-
1989
- 1989-11-02 JP JP1989128593U patent/JPH03107640U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6237626A (en) * | 1985-08-09 | 1987-02-18 | Keiichi Yasukawa | Temperature sensing automatic ventilator |
JPS62134430A (en) * | 1985-12-06 | 1987-06-17 | Keiichi Yasukawa | Ventilation device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5339394B1 (en) * | 2013-05-24 | 2013-11-13 | ヒノックス商事株式会社 | Solar heat seedling cover |
CN104170689A (en) * | 2013-05-24 | 2014-12-03 | 喜诺克斯株式会社 | Seeding cover employing solar energy |
JP2020130127A (en) * | 2019-02-25 | 2020-08-31 | Wwb株式会社 | Framework for greenhouse, greenhouse, and method for installing the same |
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