【考案の詳細な説明】 本考案は、圧電素子に外力を加え、そのとき発
生する高電圧によつて螢光灯を点灯させる螢光灯
点灯装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fluorescent lamp lighting device that applies an external force to a piezoelectric element and uses the generated high voltage to light the fluorescent lamp.
螢光灯を点灯させるには、グロー点灯管を使用
するもの、或はマニユアルスタートによるもの等
がある。これらはいずれも起動スイツチの開閉時
に安定器に生じるキツク電圧を螢光灯のフイラメ
ントの間に加えて螢光灯を始動させるものである
が、グロー点灯管を使用するものでは、グロー点
灯管が劣化すると安定した起動が行なわれず、螢
光灯が点滅を繰り返し、或はグロー点灯管の電極
開離が不能となつてフイラメントの予熱に終始
し、螢光灯の寿命が短縮する欠点があり、又マニ
ユアルスタートのものでは、電極開離の操作が必
要で、起動に時間が掛り、又操作が煩雑である、
等の欠点がある。 Fluorescent lamps can be turned on by using a glow lighting tube or by manual start. All of these start the fluorescent lamp by applying the kick voltage generated in the ballast between the filaments of the fluorescent lamp when the starting switch is opened and closed. If the tube deteriorates, it will not start stably, causing the fluorescent lamp to blink repeatedly, or the electrodes of the glow lighting tube will not be able to separate, resulting in preheating of the filament, which will shorten the life of the fluorescent lamp. In addition, the manual start type requires an operation to separate the electrodes, takes time to start up, and is complicated to operate.
There are drawbacks such as.
本考案は、短冊形の圧電素子に弾性絶縁板を貼
り合わせて形成した圧電素子ユニツトを使用し、
電源に接続した螢光灯のフイラメントの非電源側
端子間にダイオードとスイツチング素子とソレノ
イドの直列回路を接続し、このソレノイドのプラ
ンジヤで圧電素子ユニツトに外力を加え、圧電素
子に発生した高電圧を螢光灯のフイラメントと螢
光灯に近接して設けた近接導体の間に加えて螢光
灯を点灯させるようにすることにより、前述の従
来の点灯方式における欠点をなくし、圧電素子に
外力を加える時に発生する衝撃音も低く、且つ短
時間に点灯させることのできる螢光灯の点灯装置
を提供するものである。 This invention uses a piezoelectric element unit formed by bonding an elastic insulating plate to a rectangular piezoelectric element.
A series circuit consisting of a diode, a switching element, and a solenoid is connected between the non-power side terminals of the filament of a fluorescent lamp connected to a power supply, and the plunger of this solenoid applies an external force to the piezoelectric element unit, thereby reducing the high voltage generated in the piezoelectric element. By lighting the fluorescent lamp in addition to the space between the filament of the fluorescent lamp and the adjacent conductor provided close to the fluorescent lamp, the disadvantages of the conventional lighting method described above are eliminated, and external force is not applied to the piezoelectric element. To provide a lighting device for a fluorescent lamp which generates low impact noise when applying a fluorescent lamp and can be turned on in a short time.
以下図面を参照して本考案の実施例を説明す
る。第１図は本考案に使用される圧電素子ユニツ
トの斜視図である。図において、１は短冊形の圧
電素子で、その長さ方向（矢印Ａの方向）に分極
されるように構成され、両端に電極２，３が設け
られ、同様に短冊形の弾性絶縁板４に貼り合わさ
れて圧電素子ユニツト５を構成している。電極
２，３にはそれぞれリード線６，７が接続されて
いる。 Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a piezoelectric element unit used in the present invention. In the figure, a rectangular piezoelectric element 1 is configured to be polarized in its length direction (in the direction of arrow A), electrodes 2 and 3 are provided at both ends, and a rectangular elastic insulating plate 4 is also provided. The piezoelectric element unit 5 is configured by bonding the two together. Lead wires 6 and 7 are connected to the electrodes 2 and 3, respectively.
この圧電素子ユニツト５を第２図ａに示すよう
に一方の端部８を機構的に固定し（片持ち固定）、
他端に図のＦ方向から外力を加えると、圧電素子
ユニツトはたわみ、圧電素子１に歪が加わり、電
極２，３間に高電圧が発生する。又第２図ｂに示
すように圧電素子ユニツト５の両端部８，９を保
持台１０，１１上に保持して素子の中央部に外力
Ｆを加えても電極２，３間に高電圧が発生する。 This piezoelectric element unit 5 is mechanically fixed at one end 8 (cantilever fixed) as shown in FIG. 2a,
When an external force is applied to the other end from the direction F in the figure, the piezoelectric element unit is deflected, strain is applied to the piezoelectric element 1, and a high voltage is generated between the electrodes 2 and 3. Furthermore, as shown in FIG. 2b, even if both ends 8 and 9 of the piezoelectric element unit 5 are held on the holders 10 and 11 and an external force F is applied to the center of the element, no high voltage is generated between the electrodes 2 and 3. Occur.
本考案はこのような圧電素子ユニツト５を使用
するもので、第３図は本考案の一実施例の回路図
を示す。１２は螢光灯で、その１対のフイラメン
ト１３，１４の一方の端子は安定器１５と電源開
閉用スイツチ１６を介して交流電源１７に接続さ
れ、１対のフイラメントの非電源側端子間にはダ
イオード１８とSSSのようなスイツチング素子１
９とソレノイド２０の直列回路が接続されてい
る。ソレノイド２０は第５図に示すように可動鉄
心（プランジヤ）２１とソレノイドの駆動方向と
逆方向の力を鉄心に加える戻しばね２２を有し、
プランジヤ２１の先端に近接して一端又は両端が
固定された圧電素子ユニツト５が設けられ、圧電
素子ユニツト５の一方の電極２のリード線６がフ
イラメント１３に、他方の電極３のリード線７が
螢光灯１２の外側に螢光灯に近接して設けられた
近接導体２３に接続されている。２４は雑音防止
用コンデンサである。 The present invention uses such a piezoelectric element unit 5, and FIG. 3 shows a circuit diagram of an embodiment of the present invention. 12 is a fluorescent lamp, one terminal of which is a pair of filaments 13 and 14 is connected to an AC power source 17 via a ballast 15 and a power switch 16, and a connection is made between the non-power side terminals of the pair of filaments. is a diode 18 and a switching element 1 such as SSS.
A series circuit of solenoid 9 and solenoid 20 is connected. As shown in FIG. 5, the solenoid 20 has a movable iron core (plunger) 21 and a return spring 22 that applies a force to the iron core in a direction opposite to the driving direction of the solenoid.
A piezoelectric element unit 5 having one or both ends fixed close to the tip of the plunger 21 is provided, the lead wire 6 of one electrode 2 of the piezoelectric element unit 5 is connected to the filament 13, and the lead wire 7 of the other electrode 3 is connected to the filament 13. It is connected to a proximity conductor 23 provided outside the fluorescent lamp 12 and close to the fluorescent lamp. 24 is a noise prevention capacitor.
上述の回路において、今電源開閉用スイツチ１
６を閉じると、ダイオード１８、スイツチング素
子１９、ソレノイド２０を通してフイラメント１
３，１４に予熱電流が流れ、フイラメントが予熱
される。この予熱電流は、ダイオード１８で半波
整流されるため、電流電圧がSSSのようなスイツ
チング素子１９のブレークオーバ電圧VBOに達す
るまでの時間はオフ状態となつても、ほぼ第４図
のような脈流波形となる。そのためソレノイド２
０にもこの脈流波形の電流が流れ、ソレノイドの
可動鉄心２１はこの脈流の周波数に相当する周期
で振動する。第５図に示すようにソレノイドの可
動鉄心２１が駆動された時、その先端で押圧され
るように圧電素子ユニツト５を配設しておくこと
により、可動鉄心２１の振動で圧電素子ユニツト
が衝撃され、その両端電極２，３にはこの振動周
波数に相当した連続的な高圧パルスが発生し、螢
光灯のフイラメント１２と近接導体２３に加えら
れる。このようにしてフイラメントは予熱されな
がら近接導体に高圧パルスが加わつて螢光灯１２
が点灯する。 In the above circuit, the power on/off switch 1
6 is closed, the filament 1 passes through the diode 18, switching element 19, and solenoid 20.
A preheating current flows through 3 and 14, and the filament is preheated. Since this preheating current is half-wave rectified by the diode 18, the time it takes for the current voltage to reach the breakover voltage VBO of the switching element 19 such as SSS is approximately as shown in Fig. 4 even in the off state. The result is a pulsating flow waveform. Therefore, solenoid 2
A current with this pulsating waveform also flows through the 0, and the movable iron core 21 of the solenoid vibrates at a period corresponding to the frequency of this pulsating current. As shown in FIG. 5, when the movable core 21 of the solenoid is driven, the piezoelectric element unit 5 is arranged so that it is pressed by its tip, so that the vibration of the movable core 21 causes the piezoelectric element unit to receive an impact. A continuous high voltage pulse corresponding to this vibration frequency is generated at the electrodes 2 and 3 at both ends thereof, and is applied to the filament 12 and the adjacent conductor 23 of the fluorescent lamp. In this way, while the filament is preheated, a high voltage pulse is applied to the adjacent conductor, causing the fluorescent lamp 12 to be heated.
lights up.
螢光灯１２が点灯すると、フイラメント１３，
１４間の電圧、即ちランプ電圧は放電維持電圧
Vtまで下がるので、スイツチング素子１９のブ
レークオーバ電圧VBOを電源電圧のピーク値を
Vpeakとしたときに Vpeak＞VBO＞Vtとなるように選ぶことにより、螢光灯１２が点灯
した後はスイツチング素子１９が導通状態となる
ことがなく、従つてソレノイド２０も付勢される
ことがなく、螢光灯１２は安定した状態で点灯を
続ける。 When the fluorescent lamp 12 lights up, the filament 13,
The voltage between 14, that is, the lamp voltage is the discharge sustaining voltage.
Vt , so the breakover voltage VBO of switching element 19 is set to the peak value of the power supply voltage.
By selecting Vpeak>VBO >Vt when Vpeak is set, the switching element 19 will not become conductive after the fluorescent lamp 12 is turned on, and therefore the solenoid 20 will also be energized. There is no problem, and the fluorescent lamp 12 continues to be lit in a stable state.
なお、図示の実施例では圧電素子ユニツト５が
第２図ａの片持ち状態の例を示しているが、第２
図ｂのように両端支持であつても同様に本考案を
実施することができる。 In the illustrated embodiment, the piezoelectric element unit 5 is in a cantilevered state as shown in FIG.
The present invention can be implemented in the same way even when both ends are supported as shown in FIG. b.
以上のように本考案では、螢光灯を始動せしめ
る高圧バルスを半永久的な寿命を有する圧電素子
から得るものであるので、寿命が長く、又圧電素
子の形状を短冊形とし、これにソレノイドが外力
を加えてたわませて高圧パルスを発生させるよう
にしたため衝撃音も低く、更にフイラメントに予
熱を加えながら鉄心を振動させて連続的に高圧パ
ルスを螢光灯に加えるものであるため、速かに点
灯させることができる。 As described above, in the present invention, the high-voltage pulse that starts the fluorescent lamp is obtained from a piezoelectric element that has a semi-permanent lifespan. Because the high-pressure pulses are generated by applying an external force to bend the filament, the impact noise is low.Furthermore, since the iron core is vibrated while the filament is preheated, high-pressure pulses are continuously applied to the fluorescent lamp, making it very fast. It can be made to light up.
第１図は本考案に使用される圧電素子ユニツト
の斜視図、第２図ａ，ｂはそれぞれ圧電素子ユニ
ツトに外力Ｆを加たとこの側面図、第３図は本考
案の螢光灯点灯装置の一実施例の回路図、第４図
はソレノイドに流れる脈流電流の波形図、第５図
は圧電素子ユニツト５とソレノイド２０の関係を
示し、ａは圧電素子ユニツトにソレノイドで外力
が加えられた状態、ｂは鉄心が復帰した状態を示
している。 １……圧電素子、２，３……電極、４……弾性
絶縁板、５……圧電素子ユニツト、１２……螢光
灯、１３，１４……フイラメント、１７……電
源、１８……ダイオード、１９……スイツチング
素子、２０……ソレノイド、２１……可動鉄心、
２２……戻しばね。 Figure 1 is a perspective view of the piezoelectric element unit used in the present invention, Figures 2a and b are side views of the piezoelectric element unit when an external force F is applied to it, and Figure 3 is the fluorescent lamp lighting device of the present invention. A circuit diagram of one embodiment, Fig. 4 is a waveform diagram of a pulsating current flowing through the solenoid, Fig. 5 shows the relationship between the piezoelectric element unit 5 and the solenoid 20, and a shows an external force applied to the piezoelectric element unit by the solenoid. b shows the state in which the iron core has returned to its original state. DESCRIPTION OF SYMBOLS 1... Piezoelectric element, 2, 3... Electrode, 4... Elastic insulating plate, 5... Piezoelectric element unit, 12... Fluorescent lamp, 13, 14... Filament, 17... Power source, 18... Diode , 19... switching element, 20... solenoid, 21... movable iron core,
22...Return spring.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9344782UJPS58196000U (en) | 1982-06-21 | 1982-06-21 | Fluorescent lighting device |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9344782UJPS58196000U (en) | 1982-06-21 | 1982-06-21 | Fluorescent lighting device |
| Publication Number | Publication Date |
|---|---|
| JPS58196000U JPS58196000U (en) | 1983-12-26 |
| JPH0245997Y2true JPH0245997Y2 (en) | 1990-12-05 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9344782UGrantedJPS58196000U (en) | 1982-06-21 | 1982-06-21 | Fluorescent lighting device |
| Country | Link |
|---|---|
| JP (1) | JPS58196000U (en) |
| Publication number | Publication date |
|---|---|
| JPS58196000U (en) | 1983-12-26 |
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