JPH0471195A - Illumination device - Google Patents
Illumination deviceInfo
- Publication number
- JPH0471195A JPH0471195A JP18239290A JP18239290A JPH0471195A JP H0471195 A JPH0471195 A JP H0471195A JP 18239290 A JP18239290 A JP 18239290A JP 18239290 A JP18239290 A JP 18239290A JP H0471195 A JPH0471195 A JP H0471195A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- power supply
- current
- lighting
- supply device
- 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
- 238000005286 illumination Methods 0.000 title abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 238000004804 winding Methods 0.000 abstract description 4
- 230000004907 flux Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Ac-Ac Conversion (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は照明装置に関し、特に電源に３相交流電源を
用いた照明装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a lighting device, and particularly to a lighting device using a three-phase AC power source as a power source.
一般に照明器具の電源、あるいは電動機、を熱器やスポ
ット溶接装置等の電源としては、通常単相交流が使用さ
れる。この単相交流を得るため３相交流を単相交流に変
換する装置としては、スコツト配線や３相似周波方式、
インバータ一方式等が知られているが、これらの場合大
電流になればなるほど３相不平衡が生じるという問題が
あり、また電力効率が悪いという問題があった。In general, single-phase alternating current is normally used as a power source for lighting equipment, electric motors, heaters, spot welding equipment, etc. In order to obtain this single-phase alternating current, devices that convert three-phase alternating current to single-phase alternating current include Scott wiring, three-phase similar frequency method,
One-side inverter systems are known, but in these cases there is a problem in that three-phase unbalance occurs as the current increases, and power efficiency is poor.
すなわち、上述のスコツト配線等は、回路構成が複雑で
電源装置としては装置が大型になり、また３相の中の１
相に２倍の過大電流が流れる等、安定した電流を取り出
し難く、特に電源装置としての信軌性に問題があった。In other words, the above-mentioned scott wiring etc. has a complicated circuit configuration, the device is large as a power supply device, and one of the three phases is
It was difficult to extract a stable current, such as twice the excessive current flowing through the phases, and there were problems with reliability, especially as a power supply device.
また、照明装置の電源として上述の３相似周波方式が採
用されているが、装置が大型かつ高価で故障が多いとい
う問題があった。Furthermore, although the above-mentioned three-phase similar frequency system has been adopted as a power source for lighting devices, there have been problems in that the devices are large, expensive, and frequently break down.
さらに最近インバータ一方式が多く採用され、これは交
流を整流した後、周波数を約数百すイクル〜１２００サ
イクルに上げてトランスを小型軽量にする方式であるが
、これも甚だ高価であり効率も悪くまた故障も多いもの
であった。そこで小型軽量で効率のよい電源装置が要求
されていた。Furthermore, recently, a single-inverter type has been widely adopted, and this method rectifies the alternating current and then increases the frequency from about several hundred cycles to 1,200 cycles to make the transformer smaller and lighter, but this method is also extremely expensive and has low efficiency. It was bad and had many breakdowns. Therefore, a small, lightweight, and efficient power supply device was required.
この発明は上記のような従来の問題点を解消するために
なされたもので、３相交流電源を用いて従来より高い周
波数でかつ垂下特性を持つ単相出力を得、これを用いて
照明を行うようにした照明装置を得ることを目的として
いる。This invention was made to solve the above-mentioned conventional problems, and uses a three-phase AC power source to obtain a single-phase output with higher frequency and drooping characteristics than before, and uses this to generate lighting. The purpose is to obtain a lighting device that does the following.
この発明に係る照明装置は、３相交流電源と、３相交流
の供給を各相の約１２０゜〜１８０°の範囲のみ行うよ
う制御する位相制御回路と、１次側に３つの１次コイル
を、２次側に１つの２次コイルを巻回した鉄芯を有し、
上記３つの一次コイルが上記位相制御回路を介して３相
交流電源に接続された変圧部とを備え、単相交流を出力
する電源装置を備え、該電源装置の単相出力を用いて照
明を行うようにしたものである。The lighting device according to the present invention includes a three-phase AC power supply, a phase control circuit that controls the supply of three-phase AC only in a range of about 120° to 180° of each phase, and three primary coils on the primary side. has an iron core around which one secondary coil is wound on the secondary side,
The three primary coils are provided with a transformer unit connected to a three-phase AC power source via the phase control circuit, and are provided with a power supply device that outputs single-phase AC power, and the lighting is performed using the single-phase output of the power supply device. This is what I decided to do.
［作用］
この発明においては、３相交流を単相交流に変換し、し
かもその出力が３倍周波で鋸歯状波であるような、上記
構成の電源装置を用いて照明を行うようにしたから、従
来の単相６０サイクルに比し、その３倍周波でかつ電力
効率よく照明を行うことができ、しかも３相不平衡の問
題を生じることもない。[Function] In this invention, lighting is performed using a power supply device having the above configuration, which converts three-phase alternating current into single-phase alternating current, and outputs a sawtooth wave at triple frequency. Compared to the conventional single-phase 60-cycle system, lighting can be performed at three times the frequency and with higher power efficiency, and there is no problem of three-phase unbalance.
以下この発明の一実施例を図について説明する。 An embodiment of the present invention will be described below with reference to the drawings.
第１図（ａ）はこの発明の一実施例による照明装置を示
す。図において、１，２．３は３相交流電源、４は３相
交流電源１，２． ３の供給を各相の１２０゜〜１８０
°の範囲のみ行うよう制御する位相制御回路、９は１次
側に３つの１次コイル５．６゜７を、２次側に１つの２
次コイル８を巻回した薄鉄板の積層体からなる鉄芯を有
する変圧器、１２はアース、１００は上記位相制御回路
４及び変圧器９からなる電源装置である。またｌＯは２
次コイル８に接続された照明灯であり、照明部３００を
構成している。FIG. 1(a) shows a lighting device according to an embodiment of the present invention. In the figure, 1, 2.3 is a three-phase AC power supply, and 4 is a three-phase AC power supply. 3 supply for each phase from 120° to 180°
9 is a phase control circuit that controls the operation only in the range of 5.6°.
A transformer has an iron core made of a laminated body of thin iron plates around which a coil 8 is wound; 12 is a ground; 100 is a power supply device comprising the phase control circuit 4 and the transformer 9; Also, lO is 2
This is an illumination light connected to the secondary coil 8, and constitutes the illumination section 300.
第１図（′ｂ）は上記位相制御回路４の詳細を示し、図
中２０ａ、２０ｂ、２０ｃはサイリスタ、２１は３相交
流の各相の正弦波の零クロス点を検出する零クロス点検
出器、２２ａ、２２ｂ、２２ｃは該零クロス点検出器２
１の出力を受け、各相のサイリスタ２０ａ、２０ｂ、２
０ｃの点弧角を調整する位相調整器である。FIG. 1('b) shows details of the phase control circuit 4, in which 20a, 20b, and 20c are thyristors, and 21 is a zero-crossing point detection device for detecting the zero-crossing point of the sine wave of each phase of the three-phase alternating current. 22a, 22b, 22c are the zero cross point detectors 2.
Thyristors 20a, 20b, 2 of each phase receive the output of
This is a phase adjuster that adjusts the firing angle of 0c.
第３図は該位相制御回路４により点弧制御される３相交
流波形を示す。FIG. 3 shows a three-phase AC waveform controlled by the phase control circuit 4.
次に動作について説明する。Next, the operation will be explained.
３相交流電源１．２．３より変圧器９の３相コイル５，
６．７への通電は、位相制御回路４によって制御され、
第２図（ａ）に示すように第１．第２゜第３のコイル５
，６．７にはそれぞれ各相の交流正弦波形Ｘ、Ｙ、Ｚの
位相角１２０度〜１８０度の範囲（ＸについてはＣとｆ
、 Ｙについてはｂとｅ、 Ｚについてはａとｄ）内
においてのみ通電が行われ、それ以外の時間は各コイル
は開放状態である。From the 3-phase AC power supply 1.2.3, the 3-phase coil 5 of the transformer 9,
The energization to 6.7 is controlled by the phase control circuit 4,
As shown in FIG. 2(a), the first. 2nd゜3rd coil 5
, 6.7 shows the phase angle range of 120 degrees to 180 degrees for the AC sine waveforms X, Y, and Z of each phase (for X, C and f
, Y is energized only in b and e, and Z is energized only in a and d), and each coil is in an open state at other times.
このようにして３相の第１．第２．第３のコイル５．６
．７に順次通電が繰り返されると、鉄芯内には第２図℃
）に示すように３倍周波の垂下特性を持った磁束が誘導
する。従って１次巻線部に流れた電流は２次巻線部に第
２図（ｂ）、 （Ｃ）かられかるように鋸歯状の３倍周
波の電流を誘導することとなる。In this way, the first three phases. Second. 3rd coil 5.6
．． When energization is repeated in sequence at 7, the temperature inside the iron core is as shown in Figure 2°C.
), a magnetic flux with triple frequency drooping characteristics is induced. Therefore, the current flowing through the primary winding induces a sawtooth triple frequency current in the secondary winding as shown in FIGS. 2(b) and 2(c).
そして、この鋸歯状の３倍周波の電流が照明灯１０に印
加され、照明が行われる。この際以下に述べる効果が得
られる。This sawtooth triple frequency current is applied to the illuminating lamp 10 to provide illumination. At this time, the following effects can be obtained.
■ 従来の３相／単相変換電源装置では、得られる単相
出力は正弦波であるが、本発明により電源出力値には急
峻に高電圧に立上り、これから垂下状に零となり、零と
なった後再び瞬間的に高電圧となる鋸歯状波が得られる
ため、効率のよい照明、つまり消費電力が同じでもより
明るい照明を行うことができ、またちらつきのない照明
が得られる。■ With conventional three-phase/single-phase conversion power supplies, the obtained single-phase output is a sine wave, but with the present invention, the power supply output value has a steep rise in high voltage, then drops to zero, and then returns to zero. After that, a sawtooth wave that instantaneously becomes high voltage again is obtained, so it is possible to provide efficient lighting, that is, brighter lighting with the same power consumption, and flicker-free lighting.
また、用いている電源装置は得られる周波数が商用周波
数の３倍となるので、変圧器が小型となり、重量が従来
の１／３で済み、このように大変小型軽量となるので高
所作業等での持ち運びに便利となる。In addition, the frequency of the power supply device used is three times the commercial frequency, so the transformer is smaller and the weight is only one-third of the conventional one.As it is extremely small and lightweight, it can be used for work at heights, etc. It is convenient to carry around.
■ また用いている電源装置は構造が簡単で小型軽量で
済むので、製造コストが大幅に安くなり、かつ照明以外
にも温熱や誘導器やモーター等の電源として利用できる
。■ Furthermore, the power supply device used has a simple structure, is small and lightweight, so manufacturing costs are significantly reduced, and it can be used not only for lighting but also as a power source for heating, inductors, motors, etc.
■ １相の交流正弦波形の点弧角を１２０度を中心に前
後に適当に調整することにより、照明の強度を大きく調
整することができる。例えば１００゜〜１８０°位相制
御を行えば明暗調整ができ自動調光を行うことができる
。(2) By appropriately adjusting the firing angle of the one-phase AC sinusoidal waveform back and forth around 120 degrees, the intensity of the illumination can be greatly adjusted. For example, if 100° to 180° phase control is performed, brightness and darkness can be adjusted and automatic light control can be performed.
第３図はこの発明の他の実施例による照明装置を示す。FIG. 3 shows a lighting device according to another embodiment of the invention.
この実施例においては、トランス９は１次側の３相コイ
ル５，６．７の中点から２次出力を取り出した単巻トラ
ンスとなっており、この３相の２次出力５“、６°、７
“が３つの蛍光灯１１．１２．１３の各々に供給されて
おり、照明部３００はこの３本の照明灯１１．１２．１
３からなっている。その他の構成は上記実施例と同一で
ある。In this embodiment, the transformer 9 is an autotransformer that takes out the secondary output from the middle point of the three-phase coils 5'' and 6.7 on the primary side. °, 7
" is supplied to each of the three fluorescent lamps 11.12.13, and the lighting unit 300
It consists of 3. The other configurations are the same as those of the above embodiment.
この場合、上記実施例の効果に加えて、二次側の巻き線
が不要となるため、トランスの小型、軽量化を図ること
ができ、製造コストを低減できる効果がある。In this case, in addition to the effects of the above-described embodiments, since the winding on the secondary side is not required, the transformer can be made smaller and lighter, and the manufacturing cost can be reduced.
なお、上記各実施例では、照明灯が蛍光灯である場合を
示したが、照明灯はこれに限るものではなく、本発明は
ネオン灯、水銀灯等の放電現象を利用した照明灯、ある
いは白熱電灯等、どのようなものであっても適用できる
。In each of the above embodiments, the illuminating lamp is a fluorescent lamp, but the illuminating lamp is not limited to this. It can be applied to any kind of things, such as electric lights.
以上のようにこの発明によれば、３相交流電源と、３相
交流の供給を、各相の約１２０゜〜１８０°前後の範囲
のみ行うよう制御する位相制御回路と、１次側に３つの
１次コイルを、２次側に１つの２次コイルを巻回して鉄
芯を有し、上記３つの１次コイルが上記位相制御回路を
介して３相交流電源に接続された前圧部とを有する電源
装置を備え、その単相交流出力である３倍周波の鋸歯状
波形を用いて照明を行うようにしたので、小型。As described above, according to the present invention, there is provided a three-phase AC power supply, a phase control circuit that controls the supply of three-phase AC only in the range of about 120° to 180° of each phase, and a three-phase AC power supply on the primary side. A front pressure section has an iron core with two primary coils wound around one secondary coil on the secondary side, and the three primary coils are connected to a three-phase AC power source via the phase control circuit. The device is compact because it is equipped with a power supply device having a power supply device, and the triple-frequency sawtooth waveform that is the single-phase AC output is used for illumination.
軽量で効率のよい照明装置が得られる効果がある。This has the effect of providing a lightweight and efficient lighting device.
第１図はこの発明の一実施例による照明装置を示す図、
第２図は該装置の電源の出力波形を説明する図、第３図
は本発明の他の実施例による照明装置を示す図である。
図において、１．２．３は３相交流電源端子、５．６．
７は１次コイル、８は２次コイル、９は変圧器、１０〜
１３は照明灯、１００は電源装置、３００は照明部であ
る。
なお図中同一符号は同−又は相当部分を示す。
（ｂ）
第１ 図
りFIG. 1 is a diagram showing a lighting device according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating the output waveform of the power supply of the device, and FIG. 3 is a diagram showing a lighting device according to another embodiment of the present invention. In the figure, 1.2.3 are three-phase AC power supply terminals, 5.6.
7 is the primary coil, 8 is the secondary coil, 9 is the transformer, 10~
13 is a lighting lamp, 100 is a power supply device, and 300 is a lighting section. Note that the same reference numerals in the figures indicate the same or equivalent parts. (b) First diagram
Claims (2)
み行う位相制御回路と、 １次側に３相の１次コイルを、２次側に単相の２次コイ
ルを巻回した単相鉄芯を有し、上記３相の１次コイルが
上記位相制御回路を介して３相交流電源に接続された変
圧部とを備え、単相交流を出力する電源装置を有し、 該電源装置の単相出力を照明灯に印加するようにしたこ
とを特徴とする照明装置。(1) A three-phase AC power supply, a phase control circuit that supplies three-phase AC only to a range of approximately 120° to 180° for each phase, a three-phase primary coil on the primary side, and a single coil on the secondary side. It has a single-phase iron core around which a phase secondary coil is wound, and a transformer unit in which the three-phase primary coil is connected to a three-phase AC power source via the phase control circuit, and outputs single-phase AC. What is claimed is: 1. A lighting device comprising: a power supply device configured to apply a single-phase output of the power supply device to a lighting lamp.
み行う位相制御回路と、 単巻トランスの１次側に３つの１次コイルを巻回し、各
１次コイルの中間点から２次出力を取り出すようにした
変圧部とを備え、３相交流を出力する電源装置を有し、 該電源装置の３相出力を３つの照明灯に印加するように
したことを特徴とする照明装置。(2) A three-phase AC power supply, a phase control circuit that supplies three-phase AC only to a range of approximately 120° to 180° for each phase, and three primary coils wound around the primary side of an autotransformer. It has a power supply device that outputs three-phase alternating current, and a transformer section that takes out the secondary output from the midpoint of each primary coil, and applies the three-phase output of the power supply device to the three lighting lights. A lighting device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18239290A JPH0471195A (en) | 1990-07-09 | 1990-07-09 | Illumination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18239290A JPH0471195A (en) | 1990-07-09 | 1990-07-09 | Illumination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0471195A true JPH0471195A (en) | 1992-03-05 |
Family
ID=16117518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18239290A Pending JPH0471195A (en) | 1990-07-09 | 1990-07-09 | Illumination device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0471195A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003250230A (en) * | 2002-02-22 | 2003-09-05 | Toshiba Eng Co Ltd | Coupling device for mobile power supply |
| CN105717367A (en) * | 2016-04-13 | 2016-06-29 | 国网新疆电力公司阿克苏供电公司 | Grounding device resistor monitor for preventing humans and animals from electric shock |
-
1990
- 1990-07-09 JP JP18239290A patent/JPH0471195A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003250230A (en) * | 2002-02-22 | 2003-09-05 | Toshiba Eng Co Ltd | Coupling device for mobile power supply |
| CN105717367A (en) * | 2016-04-13 | 2016-06-29 | 国网新疆电力公司阿克苏供电公司 | Grounding device resistor monitor for preventing humans and animals from electric shock |
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