JPH075489Y2 - Exhaust system - Google Patents
Exhaust systemInfo
- Publication number
- JPH075489Y2 JPH075489Y2 JP16976987U JP16976987U JPH075489Y2 JP H075489 Y2 JPH075489 Y2 JP H075489Y2 JP 16976987 U JP16976987 U JP 16976987U JP 16976987 U JP16976987 U JP 16976987U JP H075489 Y2 JPH075489 Y2 JP H075489Y2
- Authority
- JP
- Japan
- Prior art keywords
- suction pipe
- suction
- air
- machine
- fan
- 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
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Ventilation (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は複写機やプリンタなどに使用する排気装置に関
するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to an exhaust device used in a copying machine, a printer, or the like.
（従来の技術） 従来、複写機やプリンタなどの定着機のような発熱部
は、一般に第３図に示すような遮蔽板１と吸気フアン２
などで構成する排熱手段を備えて、その周辺機器の熱の
影響を緩和するようにしていた。(Prior Art) Conventionally, a heat generating portion such as a fixing machine such as a copying machine or a printer generally has a shielding plate 1 and an intake fan 2 as shown in FIG.
A heat exhausting means composed of, for example, is provided so as to mitigate the influence of heat of the peripheral equipment.
（考案が解決しようとする問題点） しかし、このような排熱手段は、前記吸引フアン２が遮
蔽板１の片側だけに連結されており、このフアン２の排
気容量があらかじめ決まっているにもかかわらず、遮蔽
板１の下部のエアを全体的に吸引しようとしていた。(Problems to be solved by the invention) However, in such heat exhausting means, the suction fan 2 is connected to only one side of the shield plate 1, and the exhaust capacity of the fan 2 is predetermined. Nevertheless, the air under the shielding plate 1 was attempted to be sucked entirely.
そのために、前記吸引時のエアの流速が遮蔽板１の下部
の図中Q1、Q2、Q3、Q4に示す位置で差が生じ、フアン取
付け側から遮蔽板１の先端部にかけて、エアの流量がQ4
＞Q3＞Q2＞Q1となることが避けられず、Q4側が充分すぎ
るのに対し、Q1側はほとんどないに等しかったので、こ
の側の機内の温度を異常上昇させてしまう、という欠点
があった。Therefore, the flow velocity of the air at the time of the suction is different at the positions indicated by Q1, Q2, Q3, and Q4 in the lower part of the shield plate 1, and the air flow rate from the fan attachment side to the tip of the shield plate 1 is Q4
It is unavoidable that>Q3>Q2> Q1 and the Q4 side is too much, while the Q1 side is almost nonexistent, so there was a drawback that the temperature inside the aircraft on this side would rise abnormally. .
本考案はこの欠点を除去するためになされたもので、吸
引フアンはエア吸引部の片側だけに連結され、その排気
容量はあらかじめ決まっていても、前記定着機などの発
熱体近傍からエア吸引部に吸引する熱を含んだエアの流
量は、フアン取付け側から、その反対側にかけて均等に
行われる排気装置を提供することを目的とする。The present invention has been made to eliminate this drawback.The suction fan is connected only to one side of the air suction unit, and even if the exhaust capacity is predetermined, the air suction unit is located near the heating element such as the fixing unit. The purpose of the present invention is to provide an exhaust device in which the flow rate of the air containing heat to be sucked into the fan is uniformly performed from the fan attachment side to the opposite side.
（問題を解決するための手段および作用） 複写機、プリンタなどに使用する排気装置を、吸気流制
御手段が渦状に形成されている所定の長さの吸気パイプ
と、この吸引パイプの一端側に連結する吸引フアンとで
構成する。(Means and Actions for Solving Problems) An exhaust device used for a copying machine, a printer, etc. is provided with an intake pipe having a predetermined length in which the intake flow control means is formed in a spiral shape and one end side of this suction pipe. It is composed of a suction fan to be connected.
この装置は前記複写機やプリンタなどの発熱体の近傍に
配置して、機内のエアを負圧で吸引パイプ内に吸引する
とき、前記吸気流制御手段で、その量を所定の量に絞
り、かつ渦流にすることによって、その流速を前記パイ
プの全長にわたってほぼ均等にする。This device is arranged in the vicinity of a heating element such as the copying machine or the printer, and when the air inside the machine is sucked into the suction pipe by a negative pressure, the intake flow control means restricts the amount to a predetermined amount, And by making it a vortex, the flow velocity is made substantially uniform over the entire length of the pipe.
これにより、前記エアを吸引パイプの吸引フアン取付け
側から、その反対側までほぼ均等に吸引させ、このエア
と一緒に前記発熱体が発する熱を、その全域にわたりバ
ランス良く吸引して機外に排出する。As a result, the air is sucked almost uniformly from the suction fan mounting side of the suction pipe to the opposite side, and the heat generated by the heating element together with this air is sucked in a good balance over the entire area and discharged to the outside of the machine. To do.
（実施例） 以下本考案を図面に示す実施例に基づいて詳細に説明す
る。(Example) Hereinafter, the present invention will be described in detail based on an example shown in the drawings.
第１図は本考案の排気装置の一実施例を示す斜視図であ
る。FIG. 1 is a perspective view showing an embodiment of the exhaust device of the present invention.
排気装置は吸引フアン２と、これに連設した吸引パイプ
５とで構成する。吸引パイプ５は渦巻状に設け、この渦
巻部分の管壁と管壁との間隔はエア吸引口６からその中
心部まで約２〜5mm程度とする。また、この吸引パイプ
５と前記吸引フアン２との連結部には取付け板７を設け
る。取付け板７は複写機やプリンタなどのサイドフレー
ムに前記吸引フアン２と吸引パイプ５を固定するために
使用する。The exhaust device is composed of a suction fan 2 and a suction pipe 5 connected to the suction fan 2. The suction pipe 5 is provided in a spiral shape, and the space between the pipe walls of the spiral portion is about 2 to 5 mm from the air suction port 6 to the center thereof. Further, a mounting plate 7 is provided at a connecting portion between the suction pipe 5 and the suction fan 2. The mounting plate 7 is used to fix the suction fan 2 and the suction pipe 5 to a side frame of a copying machine or a printer.
次にこの装置を複写機の定着機上に配置する場合につい
て説明する。Next, a case where this device is arranged on the fixing device of the copying machine will be described.
まず前記吸引パイプ５の長さを定着機のローラ軸の長さ
とほぼ同じに設定する。次にこの定着機のサイドに配置
されたフレームに吸引パイプ５を差し込むための孔をあ
ける。この孔内に前記吸引パイプ５を前記ローラ軸と平
行になるように差し込む。このとき、吸引パイプ５のエ
ア吸引口６は定着機のローラ軸に対して下向きに配置す
る。しかるのち、取付け板７を前記定着機のサイドのフ
レームに螺子止めする。First, the length of the suction pipe 5 is set to be substantially the same as the length of the roller shaft of the fixing device. Next, a hole for inserting the suction pipe 5 is made in the frame arranged on the side of the fixing device. The suction pipe 5 is inserted into this hole so as to be parallel to the roller shaft. At this time, the air suction port 6 of the suction pipe 5 is arranged downward with respect to the roller shaft of the fixing device. After that, the mounting plate 7 is screwed to the frame on the side of the fixing device.
次にこの装置の機能を説明する。Next, the function of this device will be described.
吸引フアン２はコピー作業の開始と同時に回転させる。
この回転により機内のエアを負圧で吸引パイプ５内にエ
ア吸引口６から吸引する。The suction fan 2 is rotated at the same time when the copying operation is started.
By this rotation, the air inside the machine is sucked into the suction pipe 5 by a negative pressure from the air suction port 6.
このエアを前記吸引パイプ５のエア吸引口６から、その
中心部に至る渦巻の部分で所定の量に絞ると同時に第２
図に示すような渦流にする。この渦流によって、前記吸
引パイプ５内に吸引するエアの流速を、第１図に示す図
中Q1からQnに至るまでほぼ一定にする。これによって前
記定着機が発する熱を、その全域にわたって吸引パイプ
５内にほぼ均等に吸引し、吸引フアン２側に設けた図示
省略の排気口から機外に排出する。From the air suction port 6 of the suction pipe 5, this air is squeezed to a predetermined amount in the spiral portion reaching the center thereof, and at the same time, the second
Create a vortex as shown. Due to this vortex flow, the flow velocity of the air sucked into the suction pipe 5 is made substantially constant from Q1 to Qn in the drawing shown in FIG. As a result, the heat generated by the fixing device is sucked into the suction pipe 5 almost uniformly over the entire area, and is discharged to the outside of the device from an exhaust port (not shown) provided on the suction fan 2 side.
（考案の効果） 以上説明したように本考案は、複写機やプリンタなどの
発熱部の発する熱を機内のエアと一緒に渦流で吸引パイ
プ５内に吸引し、機外に排気するようにしたものであ
る。吸引パイプ５内に吸引するエアを渦流にすれば、そ
の流速がパイプ５の全長にわたってほぼ一定となり、そ
の流量も全長にわたってほぼ均等となるので、前記発熱
部の発する熱をバランスの良く機外に排出することがで
きる。(Effect of the Invention) As described above, according to the present invention, the heat generated by the heat generating portion such as a copying machine or a printer is sucked into the suction pipe 5 together with the air inside the machine by a vortex and discharged to the outside of the machine. It is a thing. If the air to be sucked into the suction pipe 5 is made into a vortex flow, its flow velocity becomes substantially constant over the entire length of the pipe 5 and its flow rate becomes substantially even over the entire length, so that the heat generated by the heat generating portion is well-balanced outside the machine. Can be discharged.
したがって、本考案を使用する複写機やプリンタなどは
機内の部品の長寿命化が可能となり、信頼性が向上す
る。Therefore, in the copying machine and the printer using the present invention, the service life of the parts inside the machine can be extended and the reliability is improved.
また、本考案は、その構成が簡単であるので機械への設
置が簡単であるし、さらに前記機械の大きさに応じてそ
の設置個数を増減したり、あるいは、前記吸引パイプ５
の長さを変えるなど、いろいろな対応策を講じることも
できるなどの利点もある。In addition, the present invention has a simple structure and can be easily installed in a machine, and the number of installed machines can be increased or decreased according to the size of the machine, or the suction pipe 5 can be installed.
There is also an advantage that various countermeasures can be taken, such as changing the length of.
第１図は本考案の排気装置の一実施例を示す一部断面斜
視図、第２図は第１図の吸引パイプ内に生じるエアの渦
流を示す図、第３図は従来の排気装置の斜視図である。 １……遮蔽板、２……吸引フアン、３……定着機、４…
…フレーム、５……吸引パイプ、６……エア吸引口、７
……取付け板。FIG. 1 is a partial cross-sectional perspective view showing an embodiment of the exhaust system of the present invention, FIG. 2 is a view showing a swirl of air generated in the suction pipe of FIG. 1, and FIG. 3 is a conventional exhaust system. It is a perspective view. 1 ... Shielding plate, 2 ... Suction fan, 3 ... Fixing device, 4 ...
… Frame, 5 …… Suction pipe, 6 …… Air suction port, 7
...... Mounting plate.
Claims (1)
さの吸引パイプと、この吸引パイプの端側に連結もでき
る吸引フアンとで構成し、前記吸引パイプを複写機、プ
リンタなどの発熱体の近傍に配置して、この発熱体の発
する熱を前記複写機、プリンタなどの機内のエアととも
に機外に排出することを特徴とする排気装置。1. An intake flow control means comprising a suction pipe having a predetermined length formed in a spiral shape and a suction fan which can be connected to an end side of the suction pipe. The suction pipe is used in a copying machine, a printer or the like. An exhaust device which is arranged in the vicinity of a heating element and discharges the heat generated by the heating element to the outside of the machine together with the air inside the copying machine, the printer or the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16976987U JPH075489Y2 (en) | 1987-11-07 | 1987-11-07 | Exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16976987U JPH075489Y2 (en) | 1987-11-07 | 1987-11-07 | Exhaust system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0175249U JPH0175249U (en) | 1989-05-22 |
| JPH075489Y2 true JPH075489Y2 (en) | 1995-02-08 |
Family
ID=31460119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16976987U Expired - Lifetime JPH075489Y2 (en) | 1987-11-07 | 1987-11-07 | Exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH075489Y2 (en) |
-
1987
- 1987-11-07 JP JP16976987U patent/JPH075489Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0175249U (en) | 1989-05-22 |
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