JP2712380B2 - Safety device for human body cleaning device - Google Patents
Safety device for human body cleaning deviceInfo
- Publication number
- JP2712380B2 JP2712380B2 JP24476788A JP24476788A JP2712380B2 JP 2712380 B2 JP2712380 B2 JP 2712380B2 JP 24476788 A JP24476788 A JP 24476788A JP 24476788 A JP24476788 A JP 24476788A JP 2712380 B2 JP2712380 B2 JP 2712380B2
- Authority
- JP
- Japan
- Prior art keywords
- load
- current
- safety device
- human body
- frequency
- 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 - Fee Related
Links
Landscapes
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
Description
【発明の詳細な説明】 〔発明の目的〕 （産業上の利用分野） 本発明は電気回路における安全装置に関するもので、
人体局部洗浄装置の他、各種水廻り機器、ガス機器及び
屋外用の機器に利用されるものである。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention relates to a safety device in an electric circuit,
In addition to a human body local cleaning device, it is used for various water-supplying equipment, gas equipment and outdoor equipment.
（従来の技術） 人体局部洗浄装置はトイレ室内に設置されるため、尿
やトイレ用洗剤等が付着しやすく、絶縁低下により最悪
の場合には、発火、炎上（トラツキング現象）に至る場
合があり、又水を使用することから漏電、感電等も発生
し易い。(Prior art) Since a human body local cleaning device is installed in a toilet room, urine and toilet detergent easily adhere to the device, and in the worst case due to a decrease in insulation, the device may ignite or burn (tracking phenomenon). In addition, since water is used, electric leakage, electric shock, and the like are likely to occur.
このために特開昭63−60335号に示す電気回路の安全
装置がある。For this purpose, there is a safety device for an electric circuit disclosed in JP-A-63-60335.
これは人体局部洗浄装置の電気回路の安全装置で、各
スイツチ入力とか、その入力に対する負荷条件及び負荷
電流とをマイコンにて記憶しておき実際に負荷に流れて
いる電流を常に監視して記憶と異なる電流パターンとな
つた時に負荷をOFFする構成である。This is a safety device for the electrical circuit of the human body local cleaning device. The microcomputer stores the switch inputs and the load conditions and load currents for the inputs, and constantly monitors and stores the current actually flowing to the load. In this configuration, the load is turned off when the current pattern becomes different from that of FIG.
（発明が解決しようとする課題） しかし前記構造の安全装置は、対象製品が異なつた
り、負荷を変えたりする毎にマイコンのプログラムの変
更が必要で、汎用性に乏しいという問題点がある。(Problems to be Solved by the Invention) However, the safety device having the above-described structure has a problem that the microcomputer program needs to be changed each time the target product is changed or the load is changed, and the versatility is poor.
本発明は人体局部洗浄装置等の水廻り機器に使用され
る電気回路の安全装置に於て、使用する負荷の電流にか
かわらず安全に作動する安全装置を技術的課題とするも
のである。The technical object of the present invention is to provide a safety device for an electric circuit used for a water circulating device such as a human body local cleaning device, which operates safely irrespective of the load current used.
（課題を解決するための手段） 前記課題を解決するために講じた技術的手段は次のよ
うである。すなわち、 電流センサ、周波数一電圧変換部、負荷遮断部を設
け、負荷る流れる電流を電流センサにて常時監視し、20
0KHZ以上の周波数成分を含む電流が連続して0.5秒以上
流れた時に負荷遮断部により負荷への通電停止する人体
局部洗浄装置の安全装置である。(Means for Solving the Problem) The technical means taken to solve the problem are as follows. That is, a current sensor, a frequency-to-voltage converter, and a load interrupter are provided, and the current flowing through the load is constantly monitored by the current sensor.
This is a safety device for a human body local cleaning device that stops energizing a load by a load interrupting unit when a current containing a frequency component of 0 KHZ or more continuously flows for 0.5 seconds or more.
（作用） 電流センサが洗浄装置の負荷に流れる電流を常時監視
し、安全装置に内蔵したハイパスフイルター、アンプ、
周波数−電圧変換回路、電圧比較回路、SCRトリガ回路
等によりトランツキング現象を認識するとリレーに電圧
が加わり、装置の供給電源に接続されたリレーＢ接点
（常時接触式）がOFFとなり、負荷の装置がOFFとなるも
のである。(Operation) The current sensor constantly monitors the current flowing to the load of the cleaning device, and the high-pass filter, amplifier,
When the trunking phenomenon is recognized by the frequency-voltage conversion circuit, voltage comparison circuit, SCR trigger circuit, etc., a voltage is applied to the relay, and the relay B contact (constant contact type) connected to the power supply of the device is turned off. Is turned off.
（実施例） 以下実施例について説明する。Example An example will be described below.
第１図に於て、１は交流電源（AC100V）で、２は便座
ヒータ、水温ヒータ及び温風モータより構成される負荷
で、３は装置への供給をする電源の負荷遮断部であるリ
レーである。In FIG. 1, 1 is an AC power supply (100V AC), 2 is a load composed of a toilet seat heater, a water temperature heater, and a hot air motor, and 3 is a relay which is a load interrupting portion of a power supply for supplying to the apparatus. It is.
Ａは本実施例の安全装置で、この安全装置は４に示す
ドーナツ状のフエライトとコイルから成る電流センサが
あり、５は200KHZハイパスフイルターで、６はアンプ、
７は周波数−電圧変換回路で、８と電圧比較回路で、９
はSCRトリガー回路で、10はSCR、11はリレー、12はダイ
オードブリツジよりなる制御回路である。A is a safety device of the present embodiment. This safety device has a current sensor composed of a donut-shaped ferrite and a coil shown in 4, a 5 is a 200 KHZ high-pass filter, 6 is an amplifier,
7 is a frequency-voltage conversion circuit, 8 is a voltage comparison circuit, 9
Is an SCR trigger circuit, 10 is an SCR, 11 is a relay, and 12 is a control circuit composed of a diode bridge.
前記構成に於てその作用を説明すれば、 電流センサ４は２本ある電源電線のうちの一方をドー
ナツ状の穴を貫通させて負荷と接続してあるために、負
荷の流れる電流を電流センサにより微小電圧として検出
するものである。The operation of the current sensor 4 will be described in the above-described configuration. Since the current sensor 4 is connected to the load by passing one of the two power supply wires through the donut-shaped hole, the current flowing through the load is detected by the current sensor. To detect as a very small voltage.
またトラツキング現象発生時の電流は200KHZ以上の高
周波成分が多いことから、電流センサの次にハイパスフ
イルタ５をつけて高周波成分のみを通過させ、アンプ５
にて増幅後、周波数−電圧交換の回路７に入力する。こ
の回路は単パルスの入力では電圧が低く、高周波が連続
して入力した場合に電圧が高く成るものである。Also, since the current when the tracking phenomenon occurs has many high-frequency components of 200 KHZ or more, a high-pass filter 5 is attached next to the current sensor to pass only high-frequency components, and the amplifier 5
, And then input to the frequency-voltage exchange circuit 7. In this circuit, the voltage is low when a single pulse is input, and increases when a high frequency is continuously input.
そこで、周波数−電圧変換した後の電圧V1とトラツキ
ング相当基準電圧V0とをコンパーレータにて比較し、V1
＞V0の時、９のSCRトリガー回路より信号を発して10のS
CRを駆動し、それに接続されているリレー11をONとす
る。このリレーの接点はAC100V電源と負荷の間に挿入さ
せており、リレーONと同時に負荷への電流をOFFとする
ものである。Therefore, the frequency - is compared with the voltage V 1 and the tracking corresponding reference voltage V 0 which after voltage conversion by Konpareta, V 1
When> V 0, a signal is issued from the 9 SCR trigger circuit and the 10 S
The CR is driven, and the relay 11 connected to the CR is turned on. The contacts of this relay are inserted between the AC100V power supply and the load, and turn off the current to the load at the same time as the relay is turned on.
第２図は安全装置に於ける各回路と電圧波形との関係
を示すものでT1はスイツチ入り、T2,T3はノイズ、T4は
トラツキング発生時、T5はV1＞V0によりリレー作動、T6
はトラツキング現象終了のタイムを表すものである。T 1 is switch entering in what second figure showing a relationship between each circuit and the voltage waveform in the safety device, T 2, T 3 are noise, T 4 at the time of tracking occurs, T 5 is V 1> V 0 Relay activated by T 6
Represents the time at which the tracking phenomenon ends.
前記安全装置は機器を安全に停止させることから、誤
作動を極力少なくする必要があり、トラツキング現象発
生初期はパルス的な電流がごく短時間流れ、その後徐々
に時間が長くなる、このようなトラツキング現象発生初
期（T4）で安全装置を作動させることは、ノイズ等によ
り誤作動する原因ともなるため、トラツキング現象の中
期から発火直前、つまりトラツキング電流が0.5秒以上
連続して流れたトラツキング現象を発生している機器の
電流をOFFとするのが最も良い。（T5−T4＝0.5秒以上） このためにトラツキング相当基準電圧V0H200KHZの電
流が0.5秒間流れた時の周波数−電圧変換回路の電圧値
としている。Since the safety device stops the device safely, it is necessary to minimize malfunctions.Pulsing current flows for a very short time at the beginning of the tracking phenomenon, and then the time gradually increases. Activating the safety device in the early stage of the phenomenon (T 4 ) may cause a malfunction due to noise, etc., so from the middle stage of the tracking phenomenon to immediately before the ignition, that is, the tracking phenomenon in which the tracking current continuously flows for 0.5 seconds or more It is best to turn off the current of the generating device. It is set to a voltage value of the voltage conversion circuit - (T 5 -T 4 = 0.5 seconds or more) current tracking corresponding reference voltage V 0 H200KHZ for this frequency when flow 0.5 seconds.
本発明は次の効果を有する。すなわち、 （１）使用する負荷の電流にかかわらず、どのような機
器へも使用可能であり、 （２）マイコンガ不要で、小形化、小規模なシステム構
成が可能となり、 （３）トラツキング電流のみ選択検出するために誤作動
が極めて少ないものである。The present invention has the following effects. In other words, (1) it can be used for any device regardless of the load current used, (2) a microcomputer is not required, and a compact and small-scale system configuration can be achieved. (3) only the tracking current Malfunctions are extremely small for selection detection.
第１図は本実施例の説明ブロツク図、第２図は本実施例
の各回路に於ける時間と電圧波形の図で、（イ）は電流
センサ、（ロ）はハイパスフイルタ、（ハ）は周波数−
電圧変換回路、（ニ）はSCRトリガ回路、（ホ）はリレ
ーに於ける電圧波形図である。 Ａ……安全装置， ３……負荷遮断部， ４……電流センサ， ７……周波数−電圧変換回路。FIG. 1 is a block diagram for explaining the present embodiment, and FIG. 2 is a diagram showing time and voltage waveforms in respective circuits of the present embodiment. (A) is a current sensor, (B) is a high-pass filter, and (C). Is the frequency-
FIG. 4D is a voltage conversion circuit, FIG. 4D is an SCR trigger circuit, and FIG. A: safety device, 3: load cut-off part, 4: current sensor, 7: frequency-voltage conversion circuit.
Claims (1)
断部を設け、負荷に流れる電流を電流センサにて常時監
視し、200KHZ以上の周波数成分を含む電流が連続して0.
5秒以上流れた時に負荷遮断部により負荷への通電を停
止する人体局部洗浄装置の安全装置。A current sensor, a frequency-to-voltage converter, and a load interrupter are provided, and a current flowing through the load is constantly monitored by a current sensor, and a current including a frequency component of 200 KHZ or higher is continuously output.
A safety device for the local human body washing device that stops the power supply to the load by the load interrupting unit when it has flowed for more than 5 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24476788A JP2712380B2 (en) | 1988-09-29 | 1988-09-29 | Safety device for human body cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24476788A JP2712380B2 (en) | 1988-09-29 | 1988-09-29 | Safety device for human body cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0291331A JPH0291331A (en) | 1990-03-30 |
| JP2712380B2 true JP2712380B2 (en) | 1998-02-10 |
Family
ID=17123600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24476788A Expired - Fee Related JP2712380B2 (en) | 1988-09-29 | 1988-09-29 | Safety device for human body cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2712380B2 (en) |
-
1988
- 1988-09-29 JP JP24476788A patent/JP2712380B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0291331A (en) | 1990-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20020003712A1 (en) | Microcomputer-controlled ac power switch controller and dc power supply method and apparatus | |
| JPH0736355B2 (en) | Heating device | |
| JPS6289422A (en) | Electronic safety device | |
| JP2712380B2 (en) | Safety device for human body cleaning device | |
| JPS62287314A (en) | Ac power control device | |
| JP2712382B2 (en) | Safety device for human body cleaning device | |
| JPH04181176A (en) | Detecting circuit for disconnection | |
| JP2712381B2 (en) | Safety device for human body cleaning device | |
| JP2788372B2 (en) | Electronic component abnormality detection device | |
| JP2002000511A (en) | Device for detecting disconnection of douche and air dryer for attachment to toilet seat | |
| JPH0353950B2 (en) | ||
| JPH0241750Y2 (en) | ||
| JPH03291885A (en) | Heating apparatus | |
| JP2740383B2 (en) | Electromagnetic cooker | |
| JPS6360335A (en) | Safety apparatus of human body privates washing apparatus | |
| JPS5998220A (en) | Controller | |
| JPH0429863Y2 (en) | ||
| JP2002300674A (en) | Wired remote control | |
| JPH0633268Y2 (en) | Relay drive circuit for hot water heater valve control | |
| JPS6124834Y2 (en) | ||
| SU1697171A1 (en) | Method of protection against leakage currents | |
| JPS62287318A (en) | Ac power control device | |
| JPS617909A (en) | Temperature control device | |
| JPS6217134B2 (en) | ||
| JPS6129915A (en) | Temperature controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |