JPH03107319U - - Google Patents
Info
- Publication number
- JPH03107319U JPH03107319U JP1708990U JP1708990U JPH03107319U JP H03107319 U JPH03107319 U JP H03107319U JP 1708990 U JP1708990 U JP 1708990U JP 1708990 U JP1708990 U JP 1708990U JP H03107319 U JPH03107319 U JP H03107319U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- opening
- air
- alarm mechanism
- conditioning duct
- 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
- 238000004378 air conditioning Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Air-Conditioning For Vehicles (AREA)
Description
第１図はこの考案の第１の実施例に係るフイル
タの目詰まり警報機構及び車両用空調装置の概略
構成図、第２図は同上のフイルタの目詰まり警報
機構の要部拡大断面図、第３図は同上のフイルタ
の目詰まり警報機構の作動を示す状態図、第４図
は風量とフイルタに加わる空気圧とを関係を示す
特性線図、第５図はこの考案の第２の実施例に係
るフイルタの目詰まり警報機構の部分斜視図、第
６図は同上のフイルタの目詰まり警報機構の要部
拡大断面図、第７図は同上のフイルタの目詰まり
警報機構の作動を示す状態図、第８図はこの考案
の第３の実施例に係るフイルタの目詰まり警報機
構の要部拡大断面図及び作動を示す状態図、第９
図はこの考案の第４実施例に係るフイルタの目詰
まり警報機構の要部拡大断面図、第１０図は同上
のフイルタの目詰まり警報機構の作動を示す状態
図である。
１……エバポレータケース、１ａ，２１ｃ……
ストツパ部、１ｂ，２１ｂ……開口、３……エア
ミツクスダクト、５……空調ダクト、７……送風
機、９……フイルタ、１１……エバポレータ、１
３……弾性体、１５……エアミツクスドア、１７
……ヒータコア、３２……リード。
FIG. 1 is a schematic configuration diagram of a filter clogging alarm mechanism and a vehicle air conditioner according to a first embodiment of the invention, and FIG. Figure 3 is a state diagram showing the operation of the same filter clogging alarm mechanism as above, Figure 4 is a characteristic diagram showing the relationship between air volume and air pressure applied to the filter, and Figure 5 is a second embodiment of this invention. A partial perspective view of such a filter clogging alarm mechanism, FIG. 6 is an enlarged sectional view of a main part of the filter clogging alarm mechanism same as above, and FIG. 7 is a state diagram showing the operation of the filter clogging alarm mechanism same as above. FIG. 8 is an enlarged sectional view of main parts and a state diagram showing the operation of a filter clogging alarm mechanism according to a third embodiment of the invention;
The figure is an enlarged sectional view of a main part of a filter clogging alarm mechanism according to a fourth embodiment of the present invention, and FIG. 10 is a state diagram showing the operation of the same filter clogging alarm mechanism. 1... Evaporator case, 1a, 21c...
Stopper part, 1b, 21b...Opening, 3...Air mix duct, 5...Air conditioning duct, 7...Blower, 9...Filter, 11...Evaporator, 1
3...Elastic body, 15...Air mix door, 17
...Heater core, 32...Lead.
Claims (1)
調装置において、 前記空調ダクトのフイルタの上流近傍に空気が
通過すると警報音を発する所定形状の開口を形成
すると共に、前記開口を閉じ、且つ、前記フイル
タが目詰まりを起こしてフイルタ上流側の空気圧
が所定以上に上昇した場合に前記開口を開く圧力
開閉手段を設けたことを特徴とするフイルタの目
詰まり警報機構。[Scope of Claim for Utility Model Registration] In a vehicle air conditioner comprising a filter disposed within an air conditioning duct, an opening of a predetermined shape is formed near upstream of the filter of the air conditioning duct to emit an alarm sound when air passes through, and A clogging alarm mechanism for a filter, characterized in that a pressure opening/closing means is provided which closes the opening and opens the opening when the air pressure on the upstream side of the filter rises above a predetermined value due to clogging of the filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1708990U JPH03107319U (en) | 1990-02-22 | 1990-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1708990U JPH03107319U (en) | 1990-02-22 | 1990-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03107319U true JPH03107319U (en) | 1991-11-05 |
Family
ID=31520323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1708990U Pending JPH03107319U (en) | 1990-02-22 | 1990-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03107319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100978285B1 (en) * | 2009-05-28 | 2010-08-26 | (주)아이마스티 | Sound sleep pillow |
-
1990
- 1990-02-22 JP JP1708990U patent/JPH03107319U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100978285B1 (en) * | 2009-05-28 | 2010-08-26 | (주)아이마스티 | Sound sleep pillow |
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