JP2001165486A - Ventilation fan - Google Patents
Ventilation fanInfo
- Publication number
- JP2001165486A JP2001165486A JP34580499A JP34580499A JP2001165486A JP 2001165486 A JP2001165486 A JP 2001165486A JP 34580499 A JP34580499 A JP 34580499A JP 34580499 A JP34580499 A JP 34580499A JP 2001165486 A JP2001165486 A JP 2001165486A
- Authority
- JP
- Japan
- Prior art keywords
- ventilation fan
- circuit
- capacitor input
- power supply
- bypass
- 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.)
- Granted
Links
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、事務所、居間等に
配設される換気扇本体が正しくない状態で使用されない
ようにした換気扇に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilating fan which is disposed in an office, a living room, or the like and is not used in an incorrect state.
【０００２】[0002]
【従来の技術】近年、住宅の気密化が進み、天井裏に取
り付けて住宅の各部屋を集中的に換気する換気扇が普及
されるにともない、必要換気風量の確保が重要となり、
換気風量が不足した状態では使用できないようにする要
求が高まってきている。2. Description of the Related Art In recent years, as houses have become more airtight, and ventilation fans that are attached to the ceiling and ventilate each room of the house intensively have become widespread, it has become important to secure the necessary ventilation air volume.
There has been an increasing demand for use in a state where the ventilation air volume is insufficient.
【０００３】従来、この種の換気扇の一例として図６〜
図８に示されるものが知られていた。以下、その構成に
ついて図６〜図８を参照しながら説明する。Conventionally, as an example of this type of ventilation fan, FIGS.
The one shown in FIG. 8 was known. Hereinafter, the configuration will be described with reference to FIGS.
【０００４】図に示すように、住宅の天井裏１０１に換
気扇本体１０２を配設し、複数設けられた各室内の天井
面１０３に設けた排気口１０４とをダクト１０５を介し
て換気扇本体１０２に接続し、室内の壁面１０６にスイ
ッチ１０７を設け、スイッチ１０７を操作し、換気扇本
体１０２を運転し室内の汚染空気を室外へ排出してい
た。[0004] As shown in the figure, a ventilation fan main body 102 is provided on the ceiling 101 of a house, and a plurality of exhaust ports 104 provided on a ceiling surface 103 of each room are connected to the ventilation fan main body 102 via a duct 105. The switch 107 was provided on the indoor wall surface 106, and the switch 107 was operated to operate the ventilation fan main body 102 to discharge contaminated air in the room to the outside.
【０００５】また、各室内の換気を集中的、効果的に行
うために、換気扇本体１０２にはＤＣモーターからなる
換気扇モーター１０８を搭載し、換気風量をきめ細かく
調節できるようにしていた。Further, in order to intensively and effectively ventilate each room, a ventilation fan motor 108 composed of a DC motor is mounted on the ventilation fan body 102 so that the ventilation air volume can be finely adjusted.
【０００６】そして、換気扇モーター１０８を駆動する
ための電源回路１０９は、交流電源１１０の整流平滑後
の直流電圧を検出し検出値を出力する検出手段１１１
と、この検出手段１１１が検出した検出値がしきい値よ
り上か下かの判断結果を出力する判断手段１１２と、判
断手段１１２の判断結果により突入電流防止用の抵抗１
１３をショートさせる短絡手段１１４とを設け構成して
いた。The power supply circuit 109 for driving the ventilation fan motor 108 detects a rectified and smoothed DC voltage of the AC power supply 110 and outputs a detection value.
Determining means 112 for outputting a determination result as to whether a detection value detected by the detecting means 111 is above or below a threshold value;
And short-circuit means 114 for short-circuiting the circuit 13.
【０００７】[0007]
【発明が解決しようとする課題】このような従来の換気
扇では、交流電源１１０の整流平滑後の直流電圧を検出
して、検出値のしきい値により、突入電流防止用の抵抗
１１３をショートさせるもので、短絡手段１１４が正し
く動作しなかった場合には、突入電流防止用の抵抗１１
３が換気扇モーター１０８に直列に接続された状態とな
り、換気扇モーター１０８には低い電圧が印加され、換
気風量が不足した状態になるという課題があった。In such a conventional ventilating fan, a rectified and smoothed DC voltage of the AC power supply 110 is detected, and the inrush current preventing resistor 113 is short-circuited according to a threshold value of the detected value. If the short-circuit means 114 does not operate correctly, the inrush current preventing resistor 11
3 is connected to the ventilation fan motor 108 in series, there is a problem that a low voltage is applied to the ventilation fan motor 108 and the ventilation air volume becomes insufficient.
【０００８】また、換気扇モーター１０８の場合には、
印加電圧とともに動作点が図８に示すように変化するた
め、突入電流防止用の抵抗１１３が接続された状態で
も、換気扇モーター１０８への印加電圧が低下して、換
気風量が低下するが、換気扇モーター１０８は運転を続
行するため、使用者には正常な状態で運転されているの
かどうかが解りにくいという課題があった。In the case of the ventilation fan motor 108,
Since the operating point changes as shown in FIG. 8 with the applied voltage, the applied voltage to the ventilation fan motor 108 is reduced even when the inrush current prevention resistor 113 is connected, and the ventilation air volume is reduced. Since the motor 108 continues driving, there is a problem that it is difficult for the user to understand whether the motor is operating in a normal state.
【０００９】本発明は、上記課題を解決するもので、換
気扇モーターへの供給電圧が低下した状態では換気扇モ
ーターが運転することがない換気扇を提供することを目
的とする。An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a ventilation fan that does not operate when the supply voltage to the ventilation fan motor is reduced.
【００１０】[0010]
【課題を解決するための手段】本発明の換気扇において
は、換気扇本体の運転を制御する制御部と、電源の異極
間に接続されるコンデンサー入力部と、このコンデンサ
ー入力部に直列に接続され流入電流を制限する電流制限
回路と、この電流制限回路を前記制御部からの信号の入
力によりバイパスするバイパス回路と、このバイパス回
路が正しい動作をしたか否かを検知する動作検知回路と
を設けた電源回路とを備え、前記換気扇本体への供給電
圧が低下した状態では運転できない構成としたものであ
る。In the ventilation fan according to the present invention, a control section for controlling the operation of the ventilation fan body, a capacitor input section connected between different poles of a power supply, and a series connection to the capacitor input section. A current limiting circuit for limiting the inflow current; a bypass circuit for bypassing the current limiting circuit by inputting a signal from the control unit; and an operation detecting circuit for detecting whether the bypass circuit has performed a correct operation. A power supply circuit, and cannot operate in a state where the supply voltage to the ventilation fan main body is reduced.
【００１１】この本発明によれば、換気扇モーターへの
供給電圧が低下した状態では換気扇モーターが運転する
ことがない換気扇を提供することができる。According to the present invention, it is possible to provide a ventilation fan that does not operate when the supply voltage to the ventilation fan motor is reduced.
【００１２】[0012]
【発明の実施の形態】本発明の請求項１に記載の発明
は、換気扇本体の運転を制御する制御部と、電源の異極
間に接続されるコンデンサー入力部と、このコンデンサ
ー入力部に直列に接続され流入電流を制限する電流制限
回路と、この電流制限回路を前記制御部からの信号の入
力によりバイパスするバイパス回路と、このバイパス回
路が正しい動作をしたか否かを検知する動作検知回路と
を設けた電源回路とを備え、前記換気扇本体への供給電
圧が低下した状態では運転できない構成としたものであ
り、電源を投入して所定時間経過後にバイパス回路が電
流制限回路をバイパスすることができなかった場合に
は、コンデンサー入力部の端子間電圧は急激な変化をし
ないため、動作検知回路は、バイパス回路が動作しなか
ったことを検知して制御部により換気扇本体の運転を停
止して、換気風量が少ない状態で運転されることを防止
し、使用者に換気扇本体に異常があることを知らしめる
ことができるという作用を有する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention comprises a control unit for controlling the operation of a ventilation fan main body, a capacitor input unit connected between different poles of a power supply, and a series connected to the capacitor input unit. A current limiting circuit connected to the control circuit for limiting the inflow current; a bypass circuit for bypassing the current limiting circuit by inputting a signal from the control unit; and an operation detecting circuit for detecting whether the bypass circuit has performed a correct operation. And a power supply circuit provided with the power supply circuit, wherein the operation cannot be performed in a state in which the supply voltage to the ventilation fan main body is reduced, and the bypass circuit bypasses the current limiting circuit after a predetermined time has elapsed since the power was turned on. If this is not possible, the voltage between the terminals of the capacitor input section does not change abruptly, so the operation detection circuit detects that the bypass circuit has not operated and controls the operation. Stop operation of the ventilating fan body by a part, prevented from being operated at ventilation power is small state, has an effect that it is possible to notify that there is an abnormality in the exhaust fan body to the user.
【００１３】以下、本発明の実施の形態について図１〜
図５を参照しながら説明する。Hereinafter, embodiments of the present invention will be described with reference to FIGS.
This will be described with reference to FIG.
【００１４】（実施の形態１）図１〜図３に示すよう
に、住宅の天井裏１に換気扇本体２を配設し、複数の室
内の天井面３に設けた排気口４をダクト５を介して換気
扇本体２に接続するとともに、室外と換気扇本体２をダ
クト５Ａを介して接続し、換気扇本体２の運転を操作す
る操作スイッチ部６を壁面７に設け、操作スイッチ部６
からの信号を受けて換気扇本体２の運転を制御する制御
部８と換気扇本体２に設けたＤＣモーターからなる換気
扇モーター９への電圧を供給する電源回路１０を設け
る。(Embodiment 1) As shown in FIGS. 1 to 3, a ventilation fan main body 2 is arranged in the back of a ceiling 1 of a house, and an exhaust port 4 provided in a plurality of indoor ceiling surfaces 3 is provided with a duct 5. The ventilation fan body 2 is connected to the outside through a duct 5A, and an operation switch section 6 for operating the ventilation fan body 2 is provided on a wall surface 7, and the operation switch section 6
And a power supply circuit 10 for supplying a voltage to a ventilation fan motor 9 composed of a DC motor provided in the ventilation fan body 2.
【００１５】そして、電源回路１０は、整流後の電源の
異極間に接続されるコンデンサー入力部１１と、コンデ
ンサー入力部１１に直列に接続され流入電流を制限する
電流制限回路１２と、電流制限回路１２を制御部８から
の信号の入力によりバイパスするバイパス回路１３と、
バイパス回路１３の動作を検知する動作検知回路１４と
を設け構成され、動作検知回路１４はコンデンサー入力
部１１の端子間電圧を検知して、電圧値の変化からバイ
パス回路１３の動作を検知するように設ける。The power supply circuit 10 includes a capacitor input section 11 connected between different poles of the rectified power supply, a current limiting circuit 12 connected in series with the capacitor input section 11 to limit an inflow current, A bypass circuit 13 for bypassing the circuit 12 by inputting a signal from the control unit 8;
An operation detection circuit 14 for detecting the operation of the bypass circuit 13 is provided. The operation detection circuit 14 detects the voltage between the terminals of the capacitor input unit 11 and detects the operation of the bypass circuit 13 from a change in the voltage value. To be provided.
【００１６】また、操作スイッチ６には、バイパス回路
１３が正しく動作したか否かの信号を制御部８から受け
て表示する表示部１５を設け構成する。The operation switch 6 is provided with a display unit 15 for receiving a signal indicating whether the bypass circuit 13 has been operated correctly from the control unit 8 and displaying the signal.
【００１７】上記構成において、操作スイッチ部６の操
作により操作スイッチ部６からの信号を受けた換気扇本
体２の運転を制御する制御部８は、電源の投入から所定
時間経過後にバイパス回路１３に信号を送り、電流制限
回路１２がバイパスされると、コンデンサー入力部１１
の端子間電圧は図３に示すように急激に上昇することと
なり、動作検知回路１４は、コンデンサー入力部１１の
端子間電圧の急激な変化を検知してバイパス回路１３が
正しく動作したことの信号が制御部８に送られ、制御部
８は操作スイッチ部６へ信号を送り、操作スイッチ部６
の表示部１５で表示して、使用者は、操作スイッチ部６
の表示を確認して換気扇が正常に運転されていることを
知り使用することになる。In the above configuration, the control unit 8 for controlling the operation of the ventilation fan main body 2 which receives the signal from the operation switch unit 6 by operating the operation switch unit 6 sends a signal to the bypass circuit 13 after a predetermined time has elapsed since the power was turned on. When the current limiting circuit 12 is bypassed, the capacitor input section 11
3 rapidly rises as shown in FIG. 3, and the operation detection circuit 14 detects a sudden change in the voltage between the terminals of the capacitor input section 11 and a signal indicating that the bypass circuit 13 has correctly operated. Is sent to the control unit 8, and the control unit 8 sends a signal to the operation switch unit 6, and the operation switch unit 6
Is displayed on the display unit 15 of the operating switch unit 6.
The user will know that the ventilator is operating normally by checking the display.
【００１８】また、電源を投入して所定時間経過後にバ
イパス回路１３が電流制限回路１２をバイパスすること
ができなかった場合には、コンデンサー入力部１１の端
子間電圧は急激な変化をしないため、動作検知回路１４
はバイパス検知回路１３が動作しなかったことを検知し
て制御部８に信号が送られ、換気扇モーター９の運転が
停止されるとともに、制御部８は操作スイッチ部６へ信
号を送り操作スイッチ部６の表示部１５で表示され、使
用者は操作スイッチ部６の表示を見て換気扇本体２が正
しく動作していないことを認識することとなる。If the bypass circuit 13 cannot bypass the current limiting circuit 12 after a predetermined time has elapsed since the power was turned on, the voltage between the terminals of the capacitor input section 11 does not change abruptly. Motion detection circuit 14
Detects that the bypass detection circuit 13 has not been operated, sends a signal to the control unit 8, stops the operation of the ventilation fan motor 9, and sends a signal to the operation switch unit 6 so that the control unit 8 sends a signal to the operation switch unit 6. 6 is displayed on the display unit 15, and the user sees the display on the operation switch unit 6 and recognizes that the ventilation fan main body 2 is not operating properly.
【００１９】すなわち、バイパス回路１３が正しく動作
しなかった場合には、電流制限回路１２が換気扇モータ
ー９に接続された状態を動作検知回路１４が検知するこ
ととなるので、このような状態は回路上の部品の何れか
が破損している状態と考えられ、換気扇モーター９は停
止されることとなり、換気扇モーター９への供給電圧が
低下した状態では使用されることがなくなる。That is, if the bypass circuit 13 does not operate properly, the operation detecting circuit 14 detects the state in which the current limiting circuit 12 is connected to the ventilation fan motor 9. It is considered that any of the above parts is damaged, and the ventilation fan motor 9 is stopped, so that the ventilation fan motor 9 is not used when the supply voltage to the ventilation fan motor 9 is reduced.
【００２０】このように本発明の実施の形態１の換気扇
によれば、換気扇本体２の運転を制御する制御部８と、
電源に接続されるコンデンサー入力部１１に直列に接続
される電流制限回路１２を制御部８からの信号によりバ
イパスするバイパス回路１３が正しい動作をしたか否か
を検知する動作検知回路１４とを設けた電源回路とを備
え、換気扇本体２への供給電圧が低下した状態では運転
できない構成としたので、換気風量が不足した状態で運
転されることがなくなり、換気時には正常な換気風量で
運転することができる。As described above, according to the ventilation fan of the first embodiment of the present invention, the control unit 8 for controlling the operation of the ventilation fan body 2 includes:
An operation detecting circuit for detecting whether or not a bypass circuit for bypassing a current limiting circuit connected in series to a capacitor input unit connected to a power supply by a signal from a control unit has performed a correct operation; Power supply circuit, and the system cannot be operated in a state where the supply voltage to the ventilation fan main body 2 is low. Therefore, the operation is not performed in a state where the ventilation air volume is insufficient, and the operation is performed with a normal ventilation air volume during ventilation. Can be.
【００２１】また、動作検知回路１４で検知した結果を
操作スイッチ部６に設けた表示部１５等により表示して
使用者に知らしめることができるので、使用者が換気扇
の運転時には換気扇が正常に運転されていることを確認
することができるとともに、換気扇が運転されないこと
により、換気扇のメンテナンスをする必要があることを
知ることができる。Further, since the result detected by the operation detecting circuit 14 can be displayed on the display unit 15 provided in the operation switch unit 6 to notify the user, the ventilation fan operates normally when the user operates the ventilation fan. It is possible to confirm that the ventilation fan is being operated, and to know that the ventilation fan needs to be maintained because the ventilation fan is not operated.
【００２２】また、動作検知回路１４を、コンデンサー
入力部１１の端子間電圧を検知して電圧値の変化からバ
イパス回路１３の動作を検知する構成としたので、動作
検知回路１４は、コンデンサー入力部１１の端子間電圧
の急激な変化を検知してバイパス回路１３が正しく動作
したか否かの確認を正確に行うことができる。Further, since the operation detecting circuit 14 is configured to detect the voltage between the terminals of the capacitor input section 11 and to detect the operation of the bypass circuit 13 from a change in the voltage value, the operation detecting circuit 14 is provided with the capacitor input section. By detecting a sudden change in the inter-terminal voltage of the terminal 11, it is possible to accurately confirm whether the bypass circuit 13 has correctly operated.
【００２３】（実施の形態２）図４および図５に示すよ
うに、動作検知回路１４Ａを、コンデンサー入力部１１
へ流入する電流を検知して、電流値の変化からバイパス
回路１３の動作を検知する構成とする。(Embodiment 2) As shown in FIGS. 4 and 5, the operation detecting circuit 14A is
The current flowing into the bypass circuit 13 is detected, and the operation of the bypass circuit 13 is detected from a change in the current value.
【００２４】上記構成において、換気扇本体（図示せ
ず）に電源が接続されるとコンデンサー入力部１１には
電流制限回路１２を通じて電流が流れ、コンデンサー入
力部１１には図５に示すように電流が流れてピーク値が
除々に減少することとなり、制御部８は電源の投入から
所定時間経過後にバイパス回路１３へ信号を送り、電流
制限回路１２をバイパスさせると、電流制限がなくなり
コンデンサー入力部１１への流入電流は急激に増加す
る。In the above configuration, when a power supply is connected to the main body of the ventilation fan (not shown), a current flows through the capacitor input section 11 through the current limiting circuit 12, and a current flows through the capacitor input section 11 as shown in FIG. The control section 8 sends a signal to the bypass circuit 13 after a predetermined time has elapsed since the power was turned on, and the control section 8 bypasses the current limiting circuit 12 when the current limiting circuit 12 is bypassed. Current increases rapidly.
【００２５】そして、動作検知回路１４Ａは、交流電源
の周波数に同期したコンデンサー入力部１１への流入電
流のピーク値の急激な変化を検知してバイパス回路１３
が正しく動作したことの信号を制御部８へ送り、制御部
８は操作スイッチ部６へ信号を送り、操作スイッチ部６
の表示部１５で表示され、使用者は表示を確認して換気
扇が正常に運転されていることを知り使用することとな
る。The operation detection circuit 14A detects a sudden change in the peak value of the current flowing into the capacitor input section 11 in synchronization with the frequency of the AC power supply, and
Sends a signal to the control unit 8, which sends a signal to the operation switch unit 6, and the operation switch unit 6
Is displayed on the display unit 15, and the user confirms the display and knows that the ventilation fan is operating normally and uses it.
【００２６】また、電源を投入して所定時間経過後にバ
イパス回路１３が電流制限回路１２をバイパスすること
ができなかった場合には、コンデンサー入力部１１への
流入電流は急激な変化をしないため、動作検知回路１４
Ａは、バイパス回路１３が動作しなかったことを検知し
た信号を制御部８へ送り、制御部８は操作スイッチ部６
へ信号を送り、操作スイッチ部６の表示部１５で表示さ
れ、使用者は、操作スイッチ部６の表示を見て換気扇本
体が正しく動作していないことを認識するとともに、換
気扇本体の運転は停止される。If the bypass circuit 13 cannot bypass the current limiting circuit 12 after a predetermined time has elapsed since the power was turned on, the current flowing into the capacitor input section 11 does not change abruptly. Motion detection circuit 14
A sends a signal indicating that the bypass circuit 13 has not operated to the control unit 8, and the control unit 8
And the display is displayed on the display unit 15 of the operation switch unit 6, the user recognizes that the ventilation fan main body is not operating properly by looking at the display of the operation switch unit 6, and stops the operation of the ventilation fan main unit. Is done.
【００２７】このように本発明の実施の形態２の換気扇
によれば、動作検知回路１４Ａを、コンデンサー入力部
１１に流入する電流を検知して電流値の変化からバイパ
ス回路１３の動作を検知して表示するので、使用者は換
気扇本体が正しく動作していることを認識することがで
きる。As described above, according to the ventilation fan of the second embodiment of the present invention, the operation detecting circuit 14A detects the current flowing into the capacitor input section 11 and detects the operation of the bypass circuit 13 from the change in the current value. , The user can recognize that the ventilation fan body is operating properly.
【００２８】また、コンデンサー入力部１１への流入電
流のピーク値を検知してその変化からバイパス回路１３
が動作したことを検知するため、入力される電源周波数
に同期して電流の検知を行えば良く、制御部８からバイ
パス回路１３への信号の送信に同期させバイパス回路１
３の動作時間差等を考慮しなくても容易に電流の変化を
確認することができる。Also, the peak value of the current flowing into the capacitor input section 11 is detected, and the change in the peak value is detected.
In order to detect the operation of the bypass circuit 1, the current may be detected in synchronization with the input power supply frequency, and the bypass circuit 1 may be synchronized with the transmission of a signal from the control unit 8 to the bypass circuit 13.
The change in current can be easily confirmed without taking into account the operation time difference 3 and the like.
【００２９】[0029]
【発明の効果】以上の実施の形態から明らかなように、
本発明によれば、換気扇本体の運転を制御する制御部
と、電源の異極間に接続されるコンデンサー入力部と、
このコンデンサー入力部に直列に接続され流入電流を制
限する電流制限回路と、この電流制限回路を前記制御部
からの信号の入力によりバイパスするバイパス回路と、
このバイパス回路が正しい動作をしたか否かを検知する
動作検知回路とを設けた電源回路とを備え、前記換気扇
本体への供給電圧が低下した状態では運転できない構成
としたので、換気風量が不足した状態で運転されること
がなくなり、換気時には正常な換気風量で換気すること
ができる換気扇を提供することができる。As is clear from the above embodiment,
According to the present invention, a control unit for controlling the operation of the ventilation fan body, a capacitor input unit connected between different poles of the power supply,
A current limiting circuit connected in series to the capacitor input unit to limit the inflow current, a bypass circuit that bypasses the current limiting circuit by inputting a signal from the control unit,
A power supply circuit provided with an operation detection circuit for detecting whether or not this bypass circuit has performed a correct operation, and the operation cannot be performed in a state in which the supply voltage to the ventilation fan body is low, so that the ventilation air volume is insufficient. It is possible to provide a ventilating fan that can be operated in a normal state and can be ventilated with a normal ventilation air volume during ventilation.
【００３０】また、動作検知回路で検知した結果を使用
者に表示して知らしめる構成としたので、使用者が換気
扇が正常に運転されているか否かを容易に知ることがで
きる。In addition, since the result detected by the operation detecting circuit is displayed and notified to the user, the user can easily know whether or not the ventilation fan is operating normally.
【００３１】また、動作検知回路を、コンデンサー入力
部の端子間電圧を検知して電圧値の変化からバイパス回
路の動作を検知する構成としたので、バイパス回路が正
しく動作したか否かを正確に検知することができる。Further, since the operation detecting circuit is configured to detect the voltage between the terminals of the capacitor input section and detect the operation of the bypass circuit from a change in the voltage value, it is possible to accurately determine whether the bypass circuit has correctly operated. Can be detected.
【００３２】また、動作検知回路を、コンデンサー入力
部に流入する電流を検知して電流値の変化からバイパス
回路の動作を検知する構成としたので、バイパス回路の
動作時間差等を考慮しなくても容易に電流の変化を確認
することができる。Further, since the operation detecting circuit is configured to detect the current flowing into the capacitor input portion and detect the operation of the bypass circuit from a change in the current value, it is not necessary to consider the operation time difference of the bypass circuit. A change in current can be easily confirmed.
【図１】本発明の実施の形態１の換気扇の電源構成を示
す回路図FIG. 1 is a circuit diagram showing a power supply configuration of a ventilation fan according to a first embodiment of the present invention.
【図２】同換気扇を天井裏に設置した状態を示す概略断
面図FIG. 2 is a schematic sectional view showing a state where the ventilation fan is installed above a ceiling.
【図３】同換気扇のコンデンサー入力部の電圧変化を示
す特性図FIG. 3 is a characteristic diagram showing a voltage change of a condenser input section of the ventilation fan.
【図４】本発明の実施の形態２の換気扇の電源構成を示
す回路図FIG. 4 is a circuit diagram showing a power supply configuration of a ventilation fan according to a second embodiment of the present invention.
【図５】同換気扇のコンデンサー入力部の電流変化を示
す特性図FIG. 5 is a characteristic diagram showing a current change in a condenser input portion of the ventilation fan.
【図６】従来の換気扇を天井裏に設置した状態を示す概
略断面図FIG. 6 is a schematic sectional view showing a state in which a conventional ventilation fan is installed above a ceiling.
【図７】同換気扇の電源構成を示す回路図FIG. 7 is a circuit diagram showing a power supply configuration of the ventilation fan.
【図８】同換気扇の動作特性を示す特性図FIG. 8 is a characteristic diagram showing operating characteristics of the ventilation fan.
２ 換気扇本体 ８ 制御部 １０ 電源回路 １１ コンデンサー入力部 １２ 電流制限回路 １３ バイパス回路 １４ 動作検知回路 １４Ａ 動作検知回路 １５ 表示部 2 Ventilation fan body 8 Control unit 10 Power supply circuit 11 Capacitor input unit 12 Current limiting circuit 13 Bypass circuit 14 Operation detection circuit 14A Operation detection circuit 15 Display unit
Claims (4)
電源の異極間に接続されるコンデンサー入力部と、この
コンデンサー入力部に直列に接続され流入電流を制限す
る電流制限回路と、この電流制限回路を前記制御部から
の信号の入力によりバイパスするバイパス回路と、この
バイパス回路が正しい動作をしたか否かを検知する動作
検知回路とを設けた電源回路とを備え、前記換気扇本体
への供給電圧が低下した状態では運転できない構成とし
た換気扇。A control unit for controlling the operation of the ventilation fan body;
A capacitor input section connected between different poles of the power supply, a current limiting circuit connected in series to the capacitor input section for limiting the inflow current, and a bypass for bypassing the current limiting circuit by inputting a signal from the control section A ventilation fan comprising: a circuit; and a power supply circuit provided with an operation detection circuit for detecting whether or not the bypass circuit operates correctly. The ventilation fan cannot be operated when the supply voltage to the ventilation fan body is low.
表示して知らしめる構成とした請求項１記載の換気扇。2. The ventilation fan according to claim 1, wherein a result detected by the operation detection circuit is displayed and notified to a user.
端子間電圧を検知して電圧値の変化からバイパス回路の
動作を検知する構成とした請求項１または２記載の換気
扇。3. The ventilation fan according to claim 1, wherein the operation detection circuit is configured to detect a voltage between terminals of the capacitor input section and detect an operation of the bypass circuit from a change in the voltage value.
流入する電流を検知して電流値の変化からバイパス回路
の動作を検知する構成とした請求項１または２記載の換
気扇。4. The ventilation fan according to claim 1, wherein the operation detection circuit is configured to detect a current flowing into the capacitor input portion and detect an operation of the bypass circuit from a change in the current value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34580499A JP3607146B2 (en) | 1999-12-06 | 1999-12-06 | Ventilation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34580499A JP3607146B2 (en) | 1999-12-06 | 1999-12-06 | Ventilation fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001165486A true JP2001165486A (en) | 2001-06-22 |
| JP3607146B2 JP3607146B2 (en) | 2005-01-05 |
Family
ID=18379106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34580499A Expired - Fee Related JP3607146B2 (en) | 1999-12-06 | 1999-12-06 | Ventilation fan |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3607146B2 (en) |
-
1999
- 1999-12-06 JP JP34580499A patent/JP3607146B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3607146B2 (en) | 2005-01-05 |
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