JPH0484921A - Vacuum cleaner - Google Patents
Vacuum cleanerInfo
- Publication number
- JPH0484921A JPH0484921A JP19778790A JP19778790A JPH0484921A JP H0484921 A JPH0484921 A JP H0484921A JP 19778790 A JP19778790 A JP 19778790A JP 19778790 A JP19778790 A JP 19778790A JP H0484921 A JPH0484921 A JP H0484921A
- Authority
- JP
- Japan
- Prior art keywords
- sound
- vacuum cleaner
- sound pressure
- electric signal
- electrical signal
- 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
- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000030279 gene silencing Effects 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Electric Suction Cleaners (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は電気掃除機の使用時に発生する騒音の消音また
は実音化に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to silencing or making noise generated when using a vacuum cleaner.
［従来の技術］
第５図は例えば実公昭５８−１７５８８号公報に開示さ
れた従来の電気掃除機の側面図で、図中（１）は本体、
（２）は本体に内蔵されているファン、（３）はファン
（２）を駆動するモータ、（４）は集塵室、（５）はフ
ィルタ、（６）は吸気口、（７）は排気口、（８）はホ
ース、（９）はパイプ、（１０〉は床ノズル、（１１）
はスイッチである。[Prior Art] Fig. 5 is a side view of a conventional vacuum cleaner disclosed in, for example, Japanese Utility Model Publication No. 58-17588, in which (1) indicates the main body;
(2) is the fan built into the main unit, (3) is the motor that drives fan (2), (4) is the dust collection chamber, (5) is the filter, (6) is the intake port, (7) is Exhaust port, (8) is a hose, (9) is a pipe, (10> is a floor nozzle, (11)
is a switch.
次に上記掃除機の動作について説明する。スイッチ（１
１）をＯＮとすると、本体内のモータ（３）が始動し、
ファン（２）が回転を始める。この状態で床ノズル（１
０）を床面上を移動させると、床ノズル（ｌＯ）よりご
みを含む空気が吸引され、該空気はパイプ（９）、ホー
ス（８）を介して集塵室（４）内に吸引され、フィルタ
（５）により濾過されて、空気のみ排気口（７）より外
気へ放出され、ごみは集塵室（４）内に捕集される。捕
集されたごみは後で廃棄される。電気掃除機はこのよう
に動作する。Next, the operation of the vacuum cleaner will be explained. Switch (1
When 1) is turned ON, the motor (3) inside the main unit starts,
Fan (2) starts rotating. In this state, the floor nozzle (1
0) on the floor, air containing dust is sucked from the floor nozzle (lO), and the air is sucked into the dust collection chamber (4) via the pipe (9) and hose (8). After being filtered by the filter (5), only the air is discharged to the outside air from the exhaust port (7), and the dust is collected in the dust collection chamber (4). The collected waste will be disposed of later. This is how a vacuum cleaner works.
［発明が解決しようとする課題］
ところで上記電気掃除機を使用中は、掃除機のモータ（
３）及びファン（２）の回転音や、床ノズル（１０）、
吸気パイプ（９） ホース（８）、集塵室（４）、フ
ィルタ（５）あるいは排気口（７）などを通過する空気
流により発生する音のため、かなりの騒音を発生し、掃
除機使用者に不快感を与えるだけでなく、周囲の人達に
もそれなりの不快感を与えており、この騒音の除去ある
いは実音化はかねてより課題となっている。[Problem to be solved by the invention] By the way, while using the vacuum cleaner, the vacuum cleaner motor (
3) and the rotating sound of the fan (2), the floor nozzle (10),
Intake pipe (9) The sound generated by the air flow passing through the hose (8), dust collection chamber (4), filter (5), or exhaust port (7) generates considerable noise, making it difficult to use a vacuum cleaner. This noise not only causes discomfort to the user, but also to the people around them, and eliminating this noise or making it a real sound has been a challenge for some time.
本発明は、従来の掃除機の上記問題点を解消するために
なされたもので、単調でうるさく周囲に不快感を与える
騒音を減少させるとともに、爽快な音例えば軽快なメロ
ディなどを発生させ、電気掃除機使用中にうける不快感
を消失または和らげるようにした電気掃除機を提供しよ
うとするものである。The present invention has been made to solve the above-mentioned problems of conventional vacuum cleaners, and it reduces the monotonous and noisy noise that causes discomfort to the surroundings, generates refreshing sounds such as light melodies, and generates electricity. To provide a vacuum cleaner that eliminates or alleviates discomfort experienced during use of the vacuum cleaner.
［課題を解決するための手段］
上記目的を達成するため、本発明に係る電気掃除機は、
掃除機使用時に発生するモータやファンの回転音、ある
いは空気の吸排気音などの騒音を本体あるいはパイプ内
で感知し、該騒音を分析して、該騒音と逆位相の音波を
発生させ、この逆位相の音波により騒音を打ち消すよう
に構成した消音装置を備えた。[Means for Solving the Problem] In order to achieve the above object, the vacuum cleaner according to the present invention has the following features:
Noise generated when using a vacuum cleaner, such as the rotating sound of the motor or fan, or the sound of air intake and exhaust, is detected within the main body or pipes, the noise is analyzed, and a sound wave with the opposite phase to the noise is generated. It is equipped with a silencer configured to cancel out noise using sound waves of opposite phase.
また上記消音装置とともに、爽快なメロディなどの実音
を発生させる爽音発生装置を備えた。In addition to the above-mentioned muffling device, it is also equipped with a refreshing sound generating device that generates real sounds such as exhilarating melodies.
［作用］
掃除機に消音装置が付設されているので、掃除機使用中
発生する騒音は消音装置によりほとんど消失し、騒音レ
ベルが低くなり、掃除機使用者や掃除機周囲の人達に与
える不快感が大きく低減する。[Function] Since the vacuum cleaner is equipped with a noise reduction device, most of the noise generated during use of the vacuum cleaner is eliminated by the noise reduction device, reducing the noise level and reducing the discomfort caused to the user of the vacuum cleaner and the people around the vacuum cleaner. is greatly reduced.
さらに爽音発生装置の付設により、掃除機使用者あるい
は周囲の人達に爽快感を与える。Furthermore, by adding a refreshing sound generating device, it gives a refreshing feeling to the user of the vacuum cleaner and the people around him.
［発明の実施例］
第１図は本発明の一実施例を示す消音装置を付設した電
気掃除機の側面図で、図中（１）〜（１１）は従来の掃
除機と同一または相当部品、（１２）は音圧検知部、（
１３）は電気信号解析処理部、（１４）は圧電フィルム
である。[Embodiment of the Invention] Fig. 1 is a side view of a vacuum cleaner equipped with a noise reduction device showing an embodiment of the present invention, and in the figure (1) to (11) are the same or equivalent parts as in a conventional vacuum cleaner. , (12) is the sound pressure detection section, (
13) is an electric signal analysis processing section, and (14) is a piezoelectric film.
本発明に係る電気掃除機の消音装置は、上記音圧感知部
（マイク） （１２）と、電気信号解析処理部（１３）
と、圧電フィルム（１４）とより構成されており、図に
示すように、音圧感知部（マイク） （１２）は床ノズ
ル（ｌＯ）及び本体（１）内に配置され、電気信号解析
処理部（１３）は本体（１）内に、また圧電フィルム（
１４）は本体（１）およびパイプ（９）内に配置されて
いる。The noise reduction device for a vacuum cleaner according to the present invention includes the above-mentioned sound pressure sensing section (microphone) (12) and an electrical signal analysis processing section (13).
and a piezoelectric film (14), and as shown in the figure, the sound pressure sensing part (microphone) (12) is placed in the floor nozzle (lO) and the main body (1), and the electrical signal analysis processing is performed. The part (13) is located inside the main body (1) and also includes a piezoelectric film (
14) is arranged within the body (1) and the pipe (9).
音圧感知部（マイク） （１２）は、空気の吸排気音や
、モータ及びファンの回転音を感知し、その音圧を電気
信号に変換する装置で、電気信号解析処理部（１３）は
その音圧電気信号を読み取り、その電気信号に対し１８
０度の逆位相を有する電気信号を発生する装置である。The sound pressure sensor (microphone) (12) is a device that detects air intake and exhaust sounds and the rotation sounds of motors and fans, and converts the sound pressure into electrical signals.The electrical signal analysis processing section (13) The sound pressure electrical signal is read, and 18
This is a device that generates electrical signals with an antiphase of 0 degrees.
また圧電フィルム（Ｉ４）は、その逆位相信号を音圧と
して出力するスピーカ機能を備えた装置である。Further, the piezoelectric film (I4) is a device having a speaker function that outputs the opposite phase signal as sound pressure.
次に動作について説明する。床ノズル（１０）内あるい
は本体（１）内の音圧感知部（マイク） （１２）は、
上記吸排気音やモータなどの回転音の音圧を感知すると
、その音圧を例えば第２図に示すような波形を表す電気
信号に変換し出力する。電気信号解析処理装置（１３）
はこの電気信号を入力して、その信号波形を解析し、こ
の信号波形と１８０度位相をずらした第３図に示す電気
信号波形を発生させ、本体（１）内及びパイプ内の圧電
フィルムに送る。Next, the operation will be explained. The sound pressure sensing part (microphone) (12) inside the floor nozzle (10) or inside the main body (1) is
When the sound pressure of the intake/exhaust sound or the rotation sound of a motor is sensed, the sound pressure is converted into an electrical signal representing a waveform as shown in FIG. 2, for example, and output. Electrical signal analysis processing device (13)
inputs this electrical signal, analyzes the signal waveform, generates the electrical signal waveform shown in Figure 3 that is 180 degrees out of phase with this signal waveform, and applies it to the piezoelectric film inside the main body (1) and the pipe. send.
圧電フィルム（１４）は一種のスピーカであり、この電
気信号を第３図に示すような音圧レベルに変換して出力
する。この結果第２図に示す騒音レベルに、第３図に示
すような位相を１８０度ずらせた音圧レベルの音が重な
り、掃除中掃除機より発生する音は、第２図に示す波形
の音と第３図に示す音が合成されて生じた第４図に示す
ような音圧しベルの音となる。すなわち第２図に示すよ
うな騒音は消音され第４図に示すような低い音圧レベル
の音となる。したがって電気掃除機使用時の吸排気音や
モータ、ファンなどの回転音などの騒音はほとんどなく
なり、該騒音によってもたらされる不快感も消失するこ
ととなる。The piezoelectric film (14) is a type of speaker, which converts this electrical signal into a sound pressure level as shown in FIG. 3 and outputs it. As a result, the sound pressure level shown in Fig. 2 is overlapped with the sound pressure level shown in Fig. 3 with a phase shift of 180 degrees, and the sound generated by the vacuum cleaner during cleaning has the waveform shown in Fig. 2. The sounds shown in FIG. 3 are synthesized to produce the sound pressure and bell sound shown in FIG. 4. That is, the noise as shown in FIG. 2 is muted and becomes a sound with a low sound pressure level as shown in FIG. 4. Therefore, noise such as intake/exhaust noise when using a vacuum cleaner and rotational noise of a motor, fan, etc., is almost eliminated, and the discomfort caused by the noise is also eliminated.
上記実施例における音圧感知部（１２）および電気信号
解析処理装置（工３）の仕様については特に限定するも
のでなく、市販されているものを使用してもよく、新し
く設計してもよい。ただなるべく小型軽量のものが好ま
しい。The specifications of the sound pressure sensing section (12) and the electrical signal analysis processing device (engineering section 3) in the above embodiment are not particularly limited, and commercially available ones may be used or newly designed ones may be used. . However, it is preferable that it be as small and lightweight as possible.
また消音音波を発生させるための圧電フィルムは、さま
ざまな形状に変形させて使用することのできるフィルム
状のスピーカが既に市販されているのでそれを利用し、
本体（１）内あるいはバイブ（９〉内に適宜配置すれば
よい。なお圧電フィルム（１４）の配置箇所は上記本体
（１）及びバイブ（９）内に限るものではなく、有効と
考えられるどの位置でもよい。また消音音波発生手段は
圧電フィルムに限るものでなく、電磁コイルを利用する
スピーカでもよい。In addition, as for the piezoelectric film used to generate the muffling sound waves, film-shaped speakers that can be transformed into various shapes and used are already commercially available, so we use them.
The piezoelectric film (14) may be placed within the body (1) or the vibrator (9) as appropriate.The piezoelectric film (14) is not limited to the body (1) and the vibrator (9), but may be placed in any position that is considered effective. Further, the silencing sound wave generating means is not limited to a piezoelectric film, and may be a speaker using an electromagnetic coil.
また上記消音音波の電気信号に音楽などの信号、例えば
軽快なメロディの信号などを載せることにより、掃除中
不快な騒音が消音されるとともに爽やかな音楽を楽しむ
ことができる。Furthermore, by adding a music signal, such as a light melody signal, to the electrical signal of the muffling sound waves, unpleasant noises can be muffled while cleaning, and the user can enjoy refreshing music.
さらに上記消音装置をオーディオ機器と接続することに
より、掃除機をスピーカとして利用することも可能とな
る。Furthermore, by connecting the above-mentioned silencer to an audio device, it is possible to use the vacuum cleaner as a speaker.
［発明の効果］
本発明は、電気掃除機に音圧感知部（マイク）と、電気
信号解析処理部と、圧電フィルムとよりなる消音装置を
備えたので、掃除機使用中発生する空気の吸排気音やモ
ータ、ファンの回転音などの騒音が消音され、掃除機使
用者や周囲の人達に与えていた不快感を消失させるとい
う優れた効果を挙げることとなった。[Effects of the Invention] The present invention provides a vacuum cleaner with a sound pressure sensing section (microphone), an electrical signal analysis processing section, and a sound damping device made of a piezoelectric film, so that air absorption generated during use of the vacuum cleaner is prevented. Noises such as exhaust noise, motor, fan rotation, etc. are silenced, resulting in an excellent effect in eliminating the discomfort caused to the user of the vacuum cleaner and the people around them.
また上記消音装置の消音音波の電気信号にメロディの信
号などを載せることにより、掃除中騒音のもたらす不快
感を消失させるとともに、爽快な音楽を楽しむことがで
きるようになった。Furthermore, by adding a melody signal or the like to the electric signal of the muffling sound waves of the above-mentioned muffling device, it has become possible to eliminate the discomfort caused by noise during cleaning and to enjoy exhilarating music.
第１図は本発明の一実施例である電気掃除機の側面図、
第２図は掃除機の発生する騒音の音圧レベルを示す線図
、第３図は上記騒音の音圧波形に対し位相を１８０度ず
らせた消音音波の音圧レベルを示す線図、第４図は消音
された掃除機の発生する音波の音圧レベルの線図、第５
図は従来の電気掃除機の側面図である。
図中、（１）は本体、（２）はファン、（３）はそのモ
ータ、（９）はバイブ、（１０）は床ノズル、（１２）
は音圧検知部、（１３）は電気信号解析処理部、（１４
）は圧電フィルムである。
なお図中の同一符号は同一または相当部品を示すものと
する。
第２図
□位相（又は時間）
第３図
δ−υ？−／」／
代理人 弁理士 佐々木宗治
一一一一位相（又は時間）
第４図FIG. 1 is a side view of a vacuum cleaner that is an embodiment of the present invention;
Fig. 2 is a diagram showing the sound pressure level of the noise generated by a vacuum cleaner, Fig. 3 is a diagram showing the sound pressure level of the muffling sound wave whose phase is shifted by 180 degrees with respect to the sound pressure waveform of the above noise, and Fig. 4 is a diagram showing the sound pressure level of the noise generated by the vacuum cleaner. Figure 5 is a diagram of the sound pressure level of the sound waves generated by a silenced vacuum cleaner.
The figure is a side view of a conventional vacuum cleaner. In the figure, (1) is the main body, (2) is the fan, (3) is its motor, (9) is the vibrator, (10) is the floor nozzle, (12)
(13) is the sound pressure detection section, (13) is the electrical signal analysis processing section, (14)
) is a piezoelectric film. Note that the same reference numerals in the figures indicate the same or equivalent parts. Figure 2 □ Phase (or time) Figure 3 δ−υ? −/''/ Agent Patent Attorney Souji Sasaki 111 Phase (or time) Figure 4
Claims (2)
音圧を電気信号に変換する音圧感知手段と、 上記電気信号を読取り、その電気信号と逆位相の電気信
号を発生する手段と、 上記逆位相の電気信号を音圧として発生する手段と よりなる消音手段を備えたことを特徴とする電気掃除機
。(1) In a vacuum cleaner, a sound pressure sensing means that senses the noise generated by the vacuum cleaner and converts the sound pressure into an electrical signal; and a sound pressure sensing means that reads the electrical signal and has a phase opposite to that electrical signal. 1. A vacuum cleaner comprising: a means for generating an electric signal; and a means for generating the opposite-phase electric signal as a sound pressure.
音圧を電気信号に変換する音圧感知手段と、 上記電気信号を読取り、その電気信号と逆位相の電気信
号を発生する手段と、 上記逆位相の電気信号にメロディの電気信号をのせる手
段と、 上記電気信号を音圧として発生する手段と よりなる消音と爽音化手段を備えたことを特徴とする電
気掃除機。(2) In a vacuum cleaner, a sound pressure sensing means that senses the noise generated by the vacuum cleaner and converts the sound pressure into an electrical signal; and a sound pressure sensing means that reads the electrical signal and has a phase opposite to that of the electrical signal. a melody electrical signal on top of the opposite-phase electrical signal; and a means for generating a melody electrical signal as a sound pressure. A vacuum cleaner with special features.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19778790A JPH0484921A (en) | 1990-07-27 | 1990-07-27 | Vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19778790A JPH0484921A (en) | 1990-07-27 | 1990-07-27 | Vacuum cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0484921A true JPH0484921A (en) | 1992-03-18 |
Family
ID=16380347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19778790A Pending JPH0484921A (en) | 1990-07-27 | 1990-07-27 | Vacuum cleaner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0484921A (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH053841A (en) * | 1991-06-28 | 1993-01-14 | Sharp Corp | Cleaner |
| JPH06343584A (en) * | 1993-05-19 | 1994-12-20 | Samsung Electron Co Ltd | Noise controller for vacuum cleaner |
| US5502869A (en) * | 1993-02-09 | 1996-04-02 | Noise Cancellation Technologies, Inc. | High volume, high performance, ultra quiet vacuum cleaner |
| US7288912B2 (en) * | 2004-01-28 | 2007-10-30 | Irobot Corporation | Debris sensor for cleaning apparatus |
| US8239992B2 (en) | 2007-05-09 | 2012-08-14 | Irobot Corporation | Compact autonomous coverage robot |
| US8368339B2 (en) | 2001-01-24 | 2013-02-05 | Irobot Corporation | Robot confinement |
| US8374721B2 (en) | 2005-12-02 | 2013-02-12 | Irobot Corporation | Robot system |
| US8380350B2 (en) | 2005-12-02 | 2013-02-19 | Irobot Corporation | Autonomous coverage robot navigation system |
| US8382906B2 (en) | 2005-02-18 | 2013-02-26 | Irobot Corporation | Autonomous surface cleaning robot for wet cleaning |
| US8386081B2 (en) | 2002-09-13 | 2013-02-26 | Irobot Corporation | Navigational control system for a robotic device |
| US8387193B2 (en) | 2005-02-18 | 2013-03-05 | Irobot Corporation | Autonomous surface cleaning robot for wet and dry cleaning |
| US8390251B2 (en) | 2004-01-21 | 2013-03-05 | Irobot Corporation | Autonomous robot auto-docking and energy management systems and methods |
| US8396592B2 (en) | 2001-06-12 | 2013-03-12 | Irobot Corporation | Method and system for multi-mode coverage for an autonomous robot |
| US8412377B2 (en) | 2000-01-24 | 2013-04-02 | Irobot Corporation | Obstacle following sensor scheme for a mobile robot |
| US8417383B2 (en) | 2006-05-31 | 2013-04-09 | Irobot Corporation | Detecting robot stasis |
| US8418303B2 (en) | 2006-05-19 | 2013-04-16 | Irobot Corporation | Cleaning robot roller processing |
| US8428778B2 (en) | 2002-09-13 | 2013-04-23 | Irobot Corporation | Navigational control system for a robotic device |
| US9233471B2 (en) | 2010-12-30 | 2016-01-12 | Irobot Corporation | Debris monitoring |
| WO2024070152A1 (en) * | 2022-09-29 | 2024-04-04 | パナソニックＩｐマネジメント株式会社 | Method for controlling suction motor of vacuum cleaner, and vacuum cleaner |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5170970A (en) * | 1974-12-17 | 1976-06-19 | Matsushita Electric Ind Co Ltd | SHINKUSOJIKI |
-
1990
- 1990-07-27 JP JP19778790A patent/JPH0484921A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5170970A (en) * | 1974-12-17 | 1976-06-19 | Matsushita Electric Ind Co Ltd | SHINKUSOJIKI |
Cited By (40)
| Publication number | Priority date | Publication date | Assignee | Title |
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