JP2501677Y2 - Projection screen forming device - Google Patents
Projection screen forming deviceInfo
- Publication number
- JP2501677Y2 JP2501677Y2 JP1989087151U JP8715189U JP2501677Y2 JP 2501677 Y2 JP2501677 Y2 JP 2501677Y2 JP 1989087151 U JP1989087151 U JP 1989087151U JP 8715189 U JP8715189 U JP 8715189U JP 2501677 Y2 JP2501677 Y2 JP 2501677Y2
- Authority
- JP
- Japan
- Prior art keywords
- projection screen
- air
- forming apparatus
- screen forming
- forming device
- 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
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は映写幕の形成装置に係り、特に霧状の映写幕
を形成し、この幕に画像光を投影して幕面に幻想的な影
像を写し出す映写幕の形成装置に関する。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a projection screen forming apparatus, in particular, a fog-like projection screen is formed, and image light is projected onto the screen to create a fantastic screen. The present invention relates to an apparatus for forming a projection screen that projects a shadow image.
従来、この種の映写幕の形成装置は、エアカーテンの
プシュ側にスモークを混入して映写幕を形成するいわゆ
るプシュプルタイプの映写幕の形成装置がある。Conventionally, as a projection screen forming apparatus of this type, there is a so-called push-pull type projection screen forming apparatus that forms smoke by mixing smoke on the push side of the air curtain.
しかしながら、前記プシュプルタイプの装置に使用さ
れるスモークは、油脂をヒータで加熱して白煙化させた
ものなので、スモークの臭いが影像の視聴者に不快感を
与え、また臭いが視聴者の衣服に付着するという欠点が
ある。However, the smoke used in the push-pull type device is obtained by heating oil and fat with a heater to turn it into white smoke. It has the drawback of sticking to.
このような不具合を解消する為に、前記スモークを回
収する回収処理設備を設置する方法があるが、装置全体
が大型化するという問題がある。In order to solve such a problem, there is a method of installing a recovery treatment facility for recovering the smoke, but there is a problem that the entire apparatus becomes large.
また、他の装置の従来例として、水とエアーの混合気
を散布して霧状の映写幕を形成する装置が提案されてい
る。Also, as a conventional example of another device, a device has been proposed in which a mixture of water and air is sprinkled to form a mist-like projection screen.
前記装置は第２図に示すように、水とエアーを用いて
水を霧状に散布する２流体ノズル10、10…を設け、２流
体ノズル10、10…から水とエアーの混合気を映写幕12の
形成空間14に向けて散布して霧状の映写幕12を形成す
る。そして、スライドプロジェクタ16から前記映写幕12
に画像光18を投影し、霧粒の光乱反射作用によって映写
幕12に幻想的な影像20を写し出している。As shown in FIG. 2, the apparatus is provided with two-fluid nozzles 10, 10 for spraying water in a mist form using water and air, and a mixture of water and air is projected from the two-fluid nozzles 10, 10. The mist-like projection screen 12 is formed by being sprayed toward the forming space 14 of the screen 12. Then, from the slide projector 16 to the projection screen 12
The image light 18 is projected onto the, and a fantastic image 20 is projected onto the projection screen 12 by the diffuse reflection effect of fog particles.
しかしながら、前記霧状の映写幕は、散布された混合
気が短時間で蒸発してしまうので、映写幕を長時間安定
して維持することができないという欠点がある。However, the mist-like projection screen has a drawback that the projection screen cannot be stably maintained for a long time because the sprayed air-fuel mixture evaporates in a short time.
本考案はこのような事情に鑑みてなされたもので、映
写幕を長時間安定して維持することができる映写幕の形
成装置を提供することを目的とする。The present invention has been made in view of such circumstances, and an object of the present invention is to provide a projection screen forming apparatus capable of stably maintaining a projection screen for a long time.
本考案は、前記目的を達成する為に、水と空気の混合
気を流体吹出し手段（10）から吹き出して、空間（14）
に影像が写し出される霧状の映写幕を形成する映写幕
（12）の形成装置に於いて、前記流体吹出し手段（10）
から吹き出された混合気で形成された映写幕（12）の周
囲に、冷却空気を吹き出す冷却空気吹出し手段（21）を
有することを特徴とする。In order to achieve the above-mentioned object, the present invention blows out a mixture of water and air from a fluid blowing means (10) to produce a space (14).
In a device for forming a projection screen (12) for forming a mist-like projection screen on which a image is projected, the fluid blowing means (10)
A cooling air blowing means (21) for blowing cooling air is provided around the projection screen (12) formed by the air-fuel mixture blown from the.
本考案によれば流体吹出手段（10）から映写幕（12）
の形成空間（14）に向けて散布した混合気に、冷却空気
吹出し手段（21）から略飽和状態に冷却した空気を供給
し、前記映写幕（12）の雰囲気を過飽和状態に維持す
る。従って、混合気は蒸発が抑制されるので、映写幕
（12）を長時間安定して維持することができる。According to the present invention, the fluid blowing means (10) to the projection screen (12)
The air that has been cooled to a substantially saturated state is supplied from the cooling air blowing means (21) to the air-fuel mixture that has been sprayed toward the formation space (14), and the atmosphere of the projection screen (12) is maintained in a supersaturated state. Therefore, evaporation of the air-fuel mixture is suppressed, and the projection screen (12) can be stably maintained for a long time.
以下添付図面に従って本考案に係る映写幕の形成装置
の好ましい実施例を詳説する。Hereinafter, preferred embodiments of a projection screen forming apparatus according to the present invention will be described in detail with reference to the accompanying drawings.
第１図には本考案に係る映写幕の形成装置の実施例を
示す斜視図が示され、第２図に示した従来例中と同一の
部材又は類似の部材については、同一の符号を付した。FIG. 1 is a perspective view showing an embodiment of an apparatus for forming a projection screen according to the present invention, and the same members as those in the conventional example shown in FIG. did.
第１図に於いて、２流体ノズル10、10…は水と圧縮空
気をそれぞれ個別の送水パイプ10a、送風パイプ10bを介
して取り入れて混合し、混合気を映写幕12の形成空間14
に向けて散布して霧状の映写幕12を形成する。In FIG. 1, the two-fluid nozzles 10, 10, ... Intake and mix water and compressed air through separate water supply pipes 10a and 10b, respectively, and mix the air-fuel mixture into the formation space 14 of the projection screen 12.
To form a mist-like projection screen 12.
また、前記２流体ノズル10、10…は、映写幕12の縦方
向に沿って所定の間隔で設置される。Further, the two-fluid nozzles 10, 10 ... Are installed at predetermined intervals along the vertical direction of the projection screen 12.
更に、第１図上で前記２流体ノズル10、10…の左側に
は、一対のエア吹出し器21、21が前記２流体ノズル10、
10…から散布された混合気の両側に位置するように設け
られている。Further, on the left side of the two-fluid nozzles 10, 10, ... In FIG.
It is provided so as to be located on both sides of the air-fuel mixture sprayed from 10.
前記エア吹出し器21、21は、ダクト22を介して冷却装
置24に連通されている。この冷却装置24は、ダクト26か
ら外気を導入して略飽和状態になるまで冷却し、冷却し
たエアーがダクト22を介して前記エア吹出し器21、21に
供給される。前記エアーは２流体ノズル10、10…からの
混合気と共に前記映写幕12の形成空間14に向けて吹き出
され、映写幕12の雰囲気を過飽和状態に維持させる。The air blowers 21, 21 are connected to a cooling device 24 via a duct 22. The cooling device 24 introduces the outside air from the duct 26 to cool it to a substantially saturated state, and the cooled air is supplied to the air blowers 21, 21 via the duct 22. The air is blown out toward the formation space 14 of the projection screen 12 together with the air-fuel mixture from the two-fluid nozzles 10 and 10, so that the atmosphere of the projection screen 12 is maintained in a supersaturated state.
次に、前記の如く構成された映写幕の形成装置の作用
について説明する。Next, the operation of the projection screen forming apparatus configured as described above will be described.
前述したように、映写幕12の雰囲気はエア吹出し器2
1、21から供給される略飽和状態に冷却された空気によ
って過飽和状態に維持されるので、映写幕12の蒸発を抑
制することができる。従って、映写幕12を長時間安定し
て維持することができる。As described above, the atmosphere of the projection screen 12 is the air blower 2
Since the supersaturated state is maintained by the air that has been cooled to a substantially saturated state and is supplied from 1, 21, the evaporation of the projection screen 12 can be suppressed. Therefore, the projection screen 12 can be stably maintained for a long time.
尚、本実施例では、エア吹出し器21を２流体ノズル1
0、10…の近傍に設けたが、これに限られるものではな
く、２流体ノズル10、10…に映写幕12を介して設置して
もよい。In this embodiment, the air blower 21 is connected to the two-fluid nozzle 1
.. are provided in the vicinity of 0, 10, ... However, the present invention is not limited to this, and they may be installed in the two-fluid nozzles 10, 10 ,.
以上説明したように本考案に係る映写幕の形成装置に
よれば、流体吹出し手段から吹き出された水と空気の混
合気に、湿気のある冷却された空気を供給して映写幕の
蒸発を抑制するようにしたので、映写幕を長時間安定し
て維持することができる。As described above, according to the projection screen forming apparatus of the present invention, the cooled and humid air is supplied to the mixture of water and air blown from the fluid blowing means to suppress the evaporation of the projection screen. By doing so, the projection screen can be stably maintained for a long time.
第１図は本考案に係る映写幕の形成装置の実施例を示す
斜視図、第２図は従来の映写幕の形成装置の実施例を示
す斜視図である。 10……２流体ノズル、12……映写幕、14……映写幕の形
成空間、21……エア吹出し器、24……冷却装置。FIG. 1 is a perspective view showing an embodiment of a projection curtain forming apparatus according to the present invention, and FIG. 2 is a perspective view showing an embodiment of a conventional projection curtain forming apparatus. 10 …… 2-fluid nozzle, 12 …… Projection screen, 14 …… Formation space for projection screen, 21 …… Air blower, 24 …… Cooling device.
Claims (1)
き出して、空間に影像が写し出される霧状の映写幕を形
成する映写幕の形成装置に於いて、 前記流体吹出し手段から吹き出された混合気で形成され
た映写幕の周囲に、冷却空気を吹き出す冷却空気吹出し
手段を有する映写幕の形成装置。1. A projection screen forming apparatus for forming a mist-like projection screen, in which a mixture of water and air is blown out from a fluid blowing device to form a fog-like projection screen in a space. A projection screen forming apparatus having cooling air blowing means for blowing cooling air around a projection screen formed of an air-fuel mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989087151U JP2501677Y2 (en) | 1989-07-25 | 1989-07-25 | Projection screen forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989087151U JP2501677Y2 (en) | 1989-07-25 | 1989-07-25 | Projection screen forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0326126U JPH0326126U (en) | 1991-03-18 |
| JP2501677Y2 true JP2501677Y2 (en) | 1996-06-19 |
Family
ID=31636802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989087151U Expired - Lifetime JP2501677Y2 (en) | 1989-07-25 | 1989-07-25 | Projection screen forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2501677Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006243338A (en) * | 2005-03-03 | 2006-09-14 | Kddi Corp | Projection apparatus |
-
1989
- 1989-07-25 JP JP1989087151U patent/JP2501677Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006243338A (en) * | 2005-03-03 | 2006-09-14 | Kddi Corp | Projection apparatus |
| JP4651085B2 (en) * | 2005-03-03 | 2011-03-16 | Ｋｄｄｉ株式会社 | Projection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0326126U (en) | 1991-03-18 |
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