JPH0531474Y2 - - Google Patents
Info
- Publication number
- JPH0531474Y2 JPH0531474Y2 JP6139987U JP6139987U JPH0531474Y2 JP H0531474 Y2 JPH0531474 Y2 JP H0531474Y2 JP 6139987 U JP6139987 U JP 6139987U JP 6139987 U JP6139987 U JP 6139987U JP H0531474 Y2 JPH0531474 Y2 JP H0531474Y2
- Authority
- JP
- Japan
- Prior art keywords
- duct
- air
- damper
- wind direction
- air outlet
- 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.)
- Expired - Lifetime
Links
- 238000005192 partition Methods 0.000 claims description 11
- 230000000295 complement effect Effects 0.000 claims description 2
- 239000005357 flat glass Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 9
- 238000001816 cooling Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000010257 thawing Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Air-Flow Control Members (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は自動車室内の空調装置に関し、特に窓
に付着する水滴による曇を防止するデフロスタ用
のダクトの構造に関する。[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to an air conditioner for an automobile interior, and particularly to the structure of a defroster duct that prevents fogging caused by water droplets adhering to a window.
従来、温風をウインドパネルに吹きつけて水滴
による窓の曇を除去するデフロスタには、例えば
実開昭61−9313号に開示されたような、インスト
ルメントパネルの上面に設けられた空気吹き出し
口の内部の両側に、ダクトから送風される吹き出
し空気の流路を次第に拡大する前後の案内壁を設
け、その上流には主流路を絞るノズルを設け、そ
のノズルの両側には前記各案内壁に対応して制御
流の吹き出し制御口を設けてなり、該各制御口へ
の空気の流入・遮断を、ノズルの下部の流路を横
断してスライド可能に設けられたダンバの移動に
よつて行い、これによつて前記前後の案内壁のい
ずれかに沿つて空気を吹き出させ、結果として風
向をフロントガラスに向けて直接にデフロスト作
用を行わせたり、又は乗員の方に向けて冷暖房効
果を主にしたりするものが提案されている。しか
し、この装置は構造が複雑で製造コストが非常に
高く、又空気の流路を横断してスライドするダン
パの機構のために装置全体が大きくなり、限定さ
れた自動車の車室内のスペースでは問題が多い。
Conventionally, a defroster that blows warm air onto a wind panel to remove fog caused by water droplets has an air outlet provided on the top surface of the instrument panel, such as the one disclosed in Utility Model Application Publication No. 61-9313. Front and rear guide walls are provided on both sides of the inside of the duct to gradually expand the flow path of the blown air blown from the duct, a nozzle is provided upstream of the guide wall to narrow down the main flow path, and on both sides of the nozzle, a guide wall is installed on each of the guide walls. Correspondingly, blowout control ports for the controlled flow are provided, and air is inflowed into and blocked from each of the control ports by moving a damper slidably provided across the flow path at the bottom of the nozzle. As a result, the air is blown out along either of the front and rear guide walls, and as a result, the wind direction is directed toward the windshield to directly perform a defrosting effect, or it is directed toward the occupants, where the main cooling and heating effect is achieved. It has been proposed to do something like this. However, this device has a complicated structure and is very expensive to manufacture, and the damper mechanism that slides across the air flow path makes the entire device large, which is a problem in the limited space inside an automobile cabin. There are many.
別の例としては、特開昭59−102613号に開示さ
れた装置がある。これはインストルメントパネル
の上面に設けられた吹き出し口に通じるダクトに
沿つて、その内側を前後に二分して主吹き出し口
と副吹き出し口を形成するために仕切板を設け、
該仕切板の前面の上縁は前方に、即ち主吹き出し
口側に膨隆した半円状断面のガイド部を有し、更
に前記仕切板の下方には、前記副吹き出し口を開
閉するためのダンパを具えている。この構成によ
り、ダンパによつて副吹き出し口が開放されてい
る場合には、主副両方の吹き出し口から均等に空
気が吹き出し、吹き出し口の直ぐ上のフロントガ
ラスを指向して流れ、デフロスト作用を行い、一
方、副吹き出し口が遮蔽されると、空気は主吹き
出し口のみを流れるが、この場合には前記ガイド
部の作用によつてコアンダ効果が働き、空気流は
後方に押しやられ、主として冷暖房作用を行う。
しかし、この装置の場合、風向調節は二方向しか
選択できず、又、コアンダ効果による風向の偏向
作用は僅かなもので、実際上はこれによる効果は
余り期待できない。 Another example is the device disclosed in Japanese Patent Application Laid-Open No. 59-102613. A partition plate is installed along the duct leading to the air outlet provided on the top surface of the instrument panel to divide the inside of the duct into front and back to form a main air outlet and a sub air outlet.
The upper edge of the front surface of the partition plate has a guide portion with a semicircular cross section that bulges forward, that is, toward the main air outlet, and further below the partition plate is a damper for opening and closing the sub air outlet. It is equipped with With this configuration, when the secondary air outlet is opened by the damper, air is blown out equally from both the main and sub air outlets, flows toward the windshield directly above the air outlet, and has a defrosting effect. On the other hand, when the sub-air outlet is blocked, air flows only through the main outlet, but in this case, the Coanda effect is activated by the action of the guide section, and the airflow is pushed backwards, mainly for heating and cooling. perform an action.
However, in the case of this device, only two directions can be selected for adjusting the wind direction, and the deflection effect of the wind direction due to the Coanda effect is slight, so in practice, this effect cannot be expected to be very effective.
本考案は、上述の従来技術の問題点に鑑み、こ
れを解決するためになされたものである。
The present invention has been devised in view of the above-mentioned problems of the prior art and to solve them.
即ち、本考案によれば、自動車室内の窓ガラス
の下方近傍に吹き出し口が開口するように設置さ
れるデフロスタ用ダクトであつて、前記吹き出し
口はダクトの前後両壁の互いに対向する方向への
傾斜によつて先細り状のスリツトとして形成され
ると共に、その内側を風向ガイドによつて前後に
二分されて前部流路と後部流路の両者を形成し、
前記風向ガイドは、ダクトの傾斜した前記前後両
壁に対して補完的な形状をなす紡錘形断面を有
し、一方、前記風向ガイドの下方にはその下縁と
平行に設けられた支軸によつてダンパが枢支さ
れ、該支軸を中心に回動することによつて前記前
後各流路への空気の供給比率を調節可能に構成さ
れているダクトが提供される。この機構によれ
ば、ダクトの吹き出し口の両流路から吹き出す空
気流は、それぞれダクトの壁と風向ガイドの表面
とによつて形成される流路の軸方向を指向し、前
部の流路からの風は斜め後方に、後部の流路から
の風は斜め前方に向かい、両者は吹き出し口の前
方で互いに合流する。この場合、ダンパの回動角
度を調整して、一方の開口、例えば前方の流路へ
の空気の供給を遮断すると、風は後方の流路だけ
から吹き出し、専ら前方、即ちフロントガラスの
方を指向してデフロスト作用を行う。逆に後方の
流路への空気の供給を遮断すると、風は前方の流
路だけから吹き出し、専ら後方、即ち乗員側を指
向し、冷暖房効果をもたらす。ダンパの回動角度
を中間位置に調節した場合には、その角度に応じ
て、両流路への空気の供給比率が制御され、吹き
出し口の前方で風が合流した際に風量の多い側に
偏つた方向を指向し、結果として風向調節が可能
となる。 That is, according to the present invention, the defroster duct is installed so that the air outlet opens near the bottom of the window glass in the interior of an automobile, and the air outlet opens in opposite directions on both the front and rear walls of the duct. It is formed as a tapered slit due to the inclination, and the inside thereof is divided into two into front and back by a wind direction guide to form both a front flow path and a rear flow path,
The wind direction guide has a spindle-shaped cross section that is complementary to the inclined front and rear walls of the duct, while a support shaft is provided below the wind direction guide parallel to its lower edge. A duct is provided in which a damper is pivotally supported and is configured to be able to adjust the ratio of air supply to the front and rear flow passages by rotating about the support shaft. According to this mechanism, the airflows blown out from both flow paths of the outlet of the duct are directed in the axial direction of the flow path formed by the wall of the duct and the surface of the wind direction guide, and The wind from the rear flow path travels diagonally to the rear, and the wind from the rear flow path travels diagonally to the front, and both merge in front of the outlet. In this case, if you adjust the rotation angle of the damper to cut off the air supply to one opening, for example, the front flow path, the wind will blow out only from the rear flow path, and will flow exclusively toward the front, that is, the windshield. Aim to perform defrost action. Conversely, when the supply of air to the rear flow path is cut off, the wind blows out only from the front flow path and is directed exclusively toward the rear, that is, toward the passenger, producing a heating and cooling effect. When the rotation angle of the damper is adjusted to an intermediate position, the ratio of air supply to both flow paths is controlled according to the angle, and when the winds merge in front of the outlet, the air flow is directed to the side with a higher air volume. It points in a biased direction, making it possible to adjust the wind direction.
以下、図面に示す好適実施例に基づいて本考案
を更に詳細に説明する。
Hereinafter, the present invention will be explained in more detail based on preferred embodiments shown in the drawings.
第１図は、３個所に吹き出し口２を具えた本考
案のダクト１の外観をを示す。このダクト１は左
右に延在する水平ダクト部１ａと中央の吹き出し
口２の下方に延びる垂直ダクト部１ｂとからな
り、該垂直ダクト１ｂによつてヒータユニツト３
に接続されている。このヒータユニツト３の下部
には、送風手段（図示しない）に接続された送風
ダクトが連結されている。 FIG. 1 shows the appearance of a duct 1 according to the present invention, which is provided with air outlets 2 at three locations. This duct 1 consists of a horizontal duct part 1a extending left and right and a vertical duct part 1b extending below the central air outlet 2.
It is connected to the. A blower duct connected to a blower means (not shown) is connected to the lower part of the heater unit 3.
この本考案のダクト１は、第２図に示されるよ
うに、二つの成形部品Ｘ，Ｙを組み立てて構成さ
れる。 The duct 1 of the present invention is constructed by assembling two molded parts X and Y, as shown in FIG.
第３図に示すように、ダクト１は自動車のイン
スツルメントパネル１３の上面の、フロントガラ
ス４の下方に吹き出し口２が位置するように設置
される。 As shown in FIG. 3, the duct 1 is installed so that the air outlet 2 is located below the windshield 4 on the upper surface of an instrument panel 13 of an automobile.
各吹き出し口２は、ダクト１の互いに対向する
ように傾斜している前壁５と後壁６によつて先細
り状のスリツトとして形成されている。その内部
は、断面形状が紡錘形状をなす風向ガイド７を上
縁部に具えた仕切板８によつて、前部流路９と後
部流路１０とに二分されている。 Each outlet 2 is formed as a tapered slit by a front wall 5 and a rear wall 6 of the duct 1 that are inclined to face each other. The interior thereof is divided into a front flow path 9 and a rear flow path 10 by a partition plate 8 having a wind direction guide 7 having a spindle-shaped cross section on its upper edge.
前記風向ガイド７の形状は、ダクトの前後壁
５，６の傾斜に対応して先細り状の断面をなし、
これによつて各壁５，６とこれに対面する風向ガ
イド７の表面との間の各流路９，１０の軸方向
は、それぞれ矢印Ａ，Ｂで示されるように斜め後
方及び斜め前方を向き、即ちそれぞれ乗員側及フ
ロントガラス側を指向している。 The shape of the wind direction guide 7 has a tapered cross section corresponding to the inclination of the front and rear walls 5 and 6 of the duct,
As a result, the axial direction of each flow path 9, 10 between each wall 5, 6 and the surface of the wind direction guide 7 facing the wall is directed diagonally backward and diagonally forward as shown by arrows A and B, respectively. That is, they are oriented toward the passenger side and the windshield side, respectively.
中央の吹き出し口１の下部の垂直ダクト部１ｂ
内の前記仕切板８の下縁には、支軸１１がこれに
沿つて設けられ、これにダンパ１２が、両壁５，
６間を回動可能に枢支されている。 Vertical duct part 1b at the bottom of the central air outlet 1
A support shaft 11 is provided along the lower edge of the partition plate 8 inside, and a damper 12 is attached to the support shaft 11 on both walls 5,
It is pivoted so that it can rotate between 6.
ダンパ１２は、垂直ダクト１ｂの側壁を貫通し
た支軸１１の端部に固定されたアームを操作ワイ
ヤ等で作動させることによつて任意の角度に回動
可能であり、これによつて第３図に実線で示され
たように後部流路１０への空気の供給が完全に遮
蔽されている位置から、図に点線で示されたよう
に前部流路９への空気の供給が完全に遮断された
位置までの間の任意の位置を占めることが可能と
なつている。従つてこのダンパの操作によつて、
両流路９，１０に対する空気の供給比率を制御す
ることが可能となる。 The damper 12 can be rotated to any angle by operating an arm fixed to the end of a support shaft 11 passing through the side wall of the vertical duct 1b using an operating wire or the like. From a position where the air supply to the rear flow path 10 is completely blocked, as shown by the solid line in the figure, to a position where the air supply to the front flow path 9 is completely blocked, as shown by the dotted line in the figure. It is now possible to occupy any position between the blocked position and the blocked position. Therefore, by operating this damper,
It becomes possible to control the supply ratio of air to both flow paths 9 and 10.
次に、上述の本考案の機構の作用について説明
する。 Next, the operation of the mechanism of the present invention described above will be explained.
先ず、第３図に実線で示す位置にダンパ１２を
移動させた場合には、ダクト１の後部流路１０へ
の空気供給は遮断されて、前部流路９のみから風
が吹き出す。この場合の風向は矢印Ａ、即ち乗員
側に最も傾いた方向となり、この空気を予め快適
な温湿度に調整しておけば、車室内の冷暖房を主
体とした空調が行われる。 First, when the damper 12 is moved to the position shown by the solid line in FIG. 3, the air supply to the rear passage 10 of the duct 1 is cut off, and wind blows out only from the front passage 9. In this case, the wind direction is arrow A, that is, the direction most inclined toward the passenger.If this air is adjusted in advance to a comfortable temperature and humidity, air conditioning will be performed mainly for heating and cooling the vehicle interior.
図に点線で示す位置にダンパ１２を移動させた
場合には、逆に前部流路９への空気供給が遮断さ
れ、後部流路１０のみから風が吹き出し、その風
向は矢印Ｂ、即ちフロントガラス４を直接指向す
る。即ちこの場合には、ヒータユニツトによつて
適当な温度に加熱された空気によつて、デフロス
ト作用を主体とした空調が行われる。 When the damper 12 is moved to the position shown by the dotted line in the figure, the air supply to the front flow path 9 is cut off, and wind blows out only from the rear flow path 10, and the direction of the wind is arrow B, that is, the front Aim directly at glass 4. That is, in this case, air conditioning is performed mainly by defrosting the air heated to an appropriate temperature by the heater unit.
勿論、前記二位置以外にもダンパ１２の姿勢を
保持することが可能であり、この場合には、例え
ば後部流路１０からの風量が前部流路９からの風
量よりも多ければ、合流した吹き出し空気はフロ
ントガラス４の方にやや偏つた方向を向き、その
逆であれば、乗員側にやや偏つた方向を指向する
ことは容易に理解できるであろう。従来のデフロ
スタにおいては、フロントガラス４の下部の特定
個所のみ風が当たるので、この個所での曇は除去
されても、他の個所の曇は中々解消しないことが
多かつたが、本考案の場合には、風向調節によつ
て所望の位置に風を移動させることができるの
で、フロントガラス全体を短時間でデフロストす
ることが可能になる。 Of course, it is possible to hold the damper 12 in a position other than the above two positions, and in this case, for example, if the air volume from the rear flow path 10 is greater than the air volume from the front flow path 9, it is possible to hold the damper 12 in other positions. It will be easily understood that the blown air is directed in a direction slightly biased toward the windshield 4, and vice versa, it is directed in a direction slightly biased toward the passenger side. In conventional defroster, the wind hits only a specific part of the lower part of the windshield 4, so even if the fog in this part is removed, the fog in other parts is often difficult to eliminate, but with the present invention. In some cases, the wind can be moved to a desired position by adjusting the wind direction, making it possible to defrost the entire windshield in a short time.
なお、図示の実施例においては、３つの吹き出
し口の中央に設けられた垂直ダクト部内にダンパ
を設け、ここで前後に振り分けられた空気を、仕
切板によつて案内して、各吹き出し口に形成され
た前後部流路まで導いている。これに代えて、各
吹き出し口に対して専用の垂直ダクトを設けれ
ば、仕切板の高さを短縮して第４図に示すように
風向ガイドの直下にダンパを枢支することも可能
である。 In the illustrated embodiment, a damper is provided in the vertical duct section provided at the center of the three air outlets, and the air distributed back and forth is guided by a partition plate and distributed to each air outlet. It leads to the formed front and rear flow channels. Alternatively, if a dedicated vertical duct is provided for each outlet, the height of the partition plate can be shortened and the damper can be pivoted directly below the wind direction guide as shown in Figure 4. be.
又、吹き出し口の設置位置を適当に選べば、当
然リヤウインドウ及びサイドウインドウに対する
デフロスト作用を行わせることもでき、又は各ガ
ラスの外側に対する霜の付着防止にも応用可能で
ある。 Furthermore, by appropriately selecting the installation position of the air outlet, it is possible to perform a defrosting action on the rear window and side windows, or to prevent frost from adhering to the outside of each glass.
更に、ダンパの操作を、環境条件の変化に対応
して自動的に行うようにすれば、常に快適な室内
環境が保持される。 Furthermore, if the damper is automatically operated in response to changes in environmental conditions, a comfortable indoor environment can be maintained at all times.
このように、本考案によれば、ダクトの前後壁
と、仕切板に設けた風向ガイドとの作用によつ
て、前後各部流路を通過する吹き出し空気に別々
の指向性を与え、更に、仕切板の下方に設けたダ
ンパを操作することによつて、両流路に供給され
る風量を可変になしたので、吹き出し口の前方で
合流した両流路からの風の方向を所定の範囲で任
意に制御することが可能となつた。これによつ
て、一つのダクトによつてデフロスト作用と冷暖
房作用の両者を兼用させることが可能になつた。
As described above, according to the present invention, the front and rear walls of the duct and the wind direction guide provided on the partition plate give different directivity to the blown air passing through the front and rear flow passages, and further, the partition By operating the damper installed below the board, the amount of air supplied to both channels can be made variable, so the direction of the wind from both channels that merge in front of the outlet can be controlled within a predetermined range. It became possible to control it arbitrarily. This makes it possible for one duct to perform both defrosting and heating/cooling functions.
第１図は本考案にかかるデフロスタ用ダクトの
斜視図、第２図は同じく分解斜視図、第３図は本
考案のダクトによる風向を示す断面図、第４図は
本考案の別の実施例におけるダンパの取付け状態
を示す断面図である。
１……デフロスタ用ダクト、２……吹き出し
口、３……ヒータユニツト、４……フロントガラ
ス、５……前壁、６……後壁、７……風向ガイ
ド、８……仕切板、９……前部流路、１０……後
部流路、１１……支軸、１２……ダンパ。
Fig. 1 is a perspective view of a defroster duct according to the present invention, Fig. 2 is an exploded perspective view of the same, Fig. 3 is a sectional view showing the wind direction by the duct of the present invention, and Fig. 4 is another embodiment of the present invention. FIG. 3 is a cross-sectional view showing how the damper is attached. DESCRIPTION OF SYMBOLS 1... Defroster duct, 2... Air outlet, 3... Heater unit, 4... Windshield, 5... Front wall, 6... Rear wall, 7... Wind direction guide, 8... Partition plate, 9 ...Front channel, 10... Rear channel, 11... Support shaft, 12... Damper.
Claims (1)
口が開口するように設置されるデフロスタ用ダ
クトであつて、前記吹き出し口はダクトの前後
両壁の互いに対向する方向への傾斜によつて先
細り状のスリツトとして形成されると共に、そ
の内側を風向ガイドによつて前後に二分されて
前部流路と後部流路の両者を形成し、前記風向
ガイドは、ダクトの傾斜した前記前後両壁に対
して補完的な形状をなす紡錘形断面を有し、一
方、前記風向ガイドの下方にはその下縁と平行
に設けられた支軸によつてダンパが枢支され、
該支軸を中心に回動することによつて前記前後
各流路への空気の供給比率を調節可能に構成さ
れているダクト。 ２ 前記風向ガイドと前記ダンパとの間に、前記
前後流路を区分する仕切板が設置されている実
用新案登録請求の範囲第１項に記載されたダク
ト。[Scope of Claim for Utility Model Registration] 1. A defroster duct installed so that an air outlet opens near the bottom of a window glass in an automobile interior, the air outlet opening facing each other on both the front and rear walls of the duct. It is formed as a tapered slit due to the slope of the duct, and the inside thereof is divided into two into front and rear by a wind direction guide to form both a front flow passage and a rear flow passage. has a spindle-shaped cross section that is complementary to the front and rear walls, and a damper is pivotally supported below the wind direction guide by a support shaft provided parallel to the lower edge thereof;
A duct configured to be able to adjust the ratio of air supplied to each of the front and rear flow paths by rotating around the support shaft. 2. The duct according to claim 1, wherein a partition plate is installed between the wind direction guide and the damper to divide the front and rear flow paths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6139987U JPH0531474Y2 (en) | 1987-04-24 | 1987-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6139987U JPH0531474Y2 (en) | 1987-04-24 | 1987-04-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63168746U JPS63168746U (en) | 1988-11-02 |
| JPH0531474Y2 true JPH0531474Y2 (en) | 1993-08-12 |
Family
ID=30894701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6139987U Expired - Lifetime JPH0531474Y2 (en) | 1987-04-24 | 1987-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0531474Y2 (en) |
-
1987
- 1987-04-24 JP JP6139987U patent/JPH0531474Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63168746U (en) | 1988-11-02 |
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