JPS5863083A - Self-oscillation type high-voltage power source - Google Patents
Self-oscillation type high-voltage power sourceInfo
- Publication number
- JPS5863083A JPS5863083A JP56161474A JP16147481A JPS5863083A JP S5863083 A JPS5863083 A JP S5863083A JP 56161474 A JP56161474 A JP 56161474A JP 16147481 A JP16147481 A JP 16147481A JP S5863083 A JPS5863083 A JP S5863083A
- Authority
- JP
- Japan
- Prior art keywords
- oscillation
- circuit
- transistor
- voltage
- control circuit
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
Abstract
Description
【発明の詳細な説明】
本発明は、自励発振型の高圧電源に係シ、自動復滞型保
護回路を備えた高圧電源に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a self-oscillation type high-voltage power supply, and more particularly to a high-voltage power supply equipped with an automatic stagnant type protection circuit.
従来のこの種の高圧電源は、第１図のブロック回路図に
示すようにシュミット回路を用（＾て保護回路が構成さ
れて（へる。この第１図の高圧電源は次のように作動す
る。つまシ、高圧出力ｖ ｏｕｔが短絡すると、フィー
ドバック電圧Ｖ／が零となるためその信号が比較増幅回
路で増幅されて制御回路の出力電圧ＶＢを上昇させる。Conventional high-voltage power supplies of this type use Schmitt circuits as shown in the block circuit diagram of Fig. 1, and a protection circuit is configured.The high-voltage power supply of Fig. 1 operates as follows. When the high voltage output v out is short-circuited, the feedback voltage V/ becomes zero, so the signal is amplified by the comparison amplifier circuit and increases the output voltage VB of the control circuit.
制御回路の出力電圧ＶＢが上昇すると、この電圧をシュ
ミット回路が検知し１発揚トランジスタのペース回路の
ペース電流を適所して発振を停止させる。それと同時に
、このシュミット回路によって比較増幅回路の制御回路
への供給電圧を速断し°Ｃその出力電圧ＶＢを低下させ
、それによりシュミット回路を０ＦＩＦとし、自動後身
動作をする。これによシ発振トランジスタのベース電流
が流れ始め”【発振を開始しようとするが、いまだ高圧
出力Ｖ ｏｕｔが短絡し′Ｃ％Ａると、上述動作の繰り
返しによって制御回路の出力電圧ＶＢが再び上昇し°Ｃ
シュミット回路をＯＮとする丸め発振できなＩｆｈこと
になる。第２図は、この制御回路の出力電圧ＶＢが変化
する状侭を示し〔おり、高圧出力ｖ ｏｕｔが短絡し′
口＾る限り、出力電圧ＶＢはシュミット回路の０ＩＦＩ
ＦレベルとＯＮレベルの間にお（へ゛Ｃ上昇、下降を繰
り返すととＫなるのである。従来の保護回路を備えた高
圧電源はこのような動作をするものであり、シュミット
回路のＯＦＦレベルかうＯＮレベルまでの出力電圧ＶＢ
の立上り期間αけ保護回路の非動作領域となるため、こ
の期間に発振トランジスタのベースには最大値の電流が
流れることＫなる。そのため１発振回路が異常発振を起
して出力回路に流れる短絡電流が大きくなって安全上の
問題が生じる慮れがあ□る。また、上記従来のものは、
シュミット回路の作動レベルを設定しなければならな（
へものであるため、正常時の制御回路の出力電圧は、シ
ュミット回路のＯＮレベル以下に設定しなければならず
、そのため、制御回路での電圧降下が大きくなって効率
が悪くなり、大きな発熱が生じると１＾う問題がある。When the output voltage VB of the control circuit rises, the Schmitt circuit detects this voltage and applies the pace current of the pace circuit of the one-shot transistor to an appropriate location to stop oscillation. At the same time, the Schmitt circuit rapidly cuts off the voltage supplied to the control circuit of the comparison amplifier circuit to lower its output voltage VB, thereby setting the Schmitt circuit to 0FIF and performing automatic rearward operation. As a result, the base current of the oscillation transistor begins to flow."[It attempts to start oscillation, but the high-voltage output V out is still short-circuited. When the output voltage VB of the control circuit increases again by repeating the above-mentioned operation. rising °C
This means that if the Schmitt circuit is turned on, rounding oscillation cannot be performed. Figure 2 shows how the output voltage VB of this control circuit changes, and the high voltage output v out is short-circuited.
As far as I can tell, the output voltage VB is 0IFI of the Schmitt circuit.
Between the F level and the ON level, if the C rises and falls repeatedly, it becomes K. A high voltage power supply equipped with a conventional protection circuit operates in this way, and the Schmitt circuit's OFF level or Output voltage VB up to ON level
Since the rising period α is the non-operating region of the protection circuit, the maximum current flows through the base of the oscillation transistor during this period. Therefore, there is a possibility that one oscillation circuit will cause abnormal oscillation and the short-circuit current flowing to the output circuit will increase, causing a safety problem. In addition, the above conventional method is
The operating level of the Schmitt circuit must be set (
Therefore, the output voltage of the control circuit during normal operation must be set below the ON level of the Schmitt circuit, resulting in a large voltage drop in the control circuit, resulting in poor efficiency and large heat generation. There is a problem that arises.
また、シュミット回路およびこれに付随する自動復帰回
路を構成しなければならな（へことから回路構成が煩雑
となり、さらには上述のように大きな発熱が生じること
から放熱器を大型化しなければならな（＾等の理由によ
りコスト的に不利になるとともに、装置が大型化する等
の問題がある。In addition, a Schmitt circuit and an associated automatic return circuit must be configured (this makes the circuit configuration complicated, and as mentioned above, a large amount of heat is generated, so the heatsink must be enlarged). (Due to reasons such as ^, it is disadvantageous in terms of cost, and there are problems such as an increase in the size of the device.
本発明は、このような点に鑑みＣなされたもので、保護
回路の動作特性を向上させるとともに、保護回路の構成
を簡素化せしめて発熱の低減および装置の小型化を図り
、コスト的にも有利な高圧電源を提供することを目的と
するものであって。The present invention has been made in view of the above points, and is intended to improve the operating characteristics of a protection circuit, simplify the configuration of the protection circuit, reduce heat generation, miniaturize the device, and reduce costs. The purpose is to provide an advantageous high voltage power source.
自励発振回路の発振トランジスタのベース抵抗を複数個
に分割し、この分割点の電圧により保護用トランジスタ
を動作させて制御回鍵のトランジスタを制御するように
したことを特徴とするもので勲
ある。つまシ、第３図に示すものは従来の自炊発振型高
圧電源のコレクタ同調発振回路部分であり。The base resistance of the oscillation transistor of the self-excited oscillation circuit is divided into multiple parts, and the voltage at the dividing point operates the protection transistor to control the control key transistor. . What is shown in Figure 3 is the collector-tuned oscillation circuit part of a conventional self-contained oscillation type high-voltage power supply.
１は主巻線、２は同調コンデンサ、３は発振トランジス
タ、４ばベース抵抗、５は再生用コンデンサ％６は正帰
還巻線、７は発振安定化抵抗であつＣ１このような発振
回路におＩＱ’［は正帰還巻線６により発振が持続され
て再生用コンデンサ５に充電々流が流れ、この再牛用コ
ンデンサ５の電圧ｖｂは負の値となる。そして１発振ト
ランジスタ３がに）１
０１ＰＩＦになったとき、再生用コンデン、す５で充電
された電荷がベース抵抗４を介して放電する。発振回路
が発振状態にあるときＫ１−１．再生用コンデンサ５は
上記のような充放電を繰り返し、その電圧ｖｂは第４図
に示すような三角波形となる。そしＣ１高圧出力が短絡
したとき、自励発振回路の有する垂下特性で発振が停止
し、正帰還巻線６の誘裁
起電圧は消滅する。このとき１発振トランジスタ３・に
はベース抵抗４を介してベース電流が流れ、このトラン
ジスタの電流増幅率倍の異常電流が流れる。そし゛〔、
高圧出力が零であるため、制御系が動作し′Ｃ制−回路
の出力電圧ＶＢは最大値にまで上昇し、発振トランジス
タ３は熱破壊に１へたる。1 is the main winding, 2 is the tuning capacitor, 3 is the oscillation transistor, 4 is the base resistor, 5 is the regeneration capacitor, 6 is the positive feedback winding, 7 is the oscillation stabilizing resistor, and C1 is used in such an oscillation circuit. IQ' is maintained in oscillation by the positive feedback winding 6, and a charging current flows to the regeneration capacitor 5, and the voltage vb of the regeneration capacitor 5 takes a negative value. When the 1 oscillation transistor 3 becomes 101 PIF, the charge charged in the regeneration capacitor 5 is discharged via the base resistor 4. When the oscillation circuit is in the oscillation state, K1-1. The regeneration capacitor 5 repeats charging and discharging as described above, and its voltage vb has a triangular waveform as shown in FIG. When the high voltage output C1 is short-circuited, oscillation is stopped due to the drooping characteristic of the self-excited oscillation circuit, and the induced electromotive force in the positive feedback winding 6 disappears. At this time, a base current flows through the single oscillation transistor 3 through the base resistor 4, and an abnormal current that is twice the current amplification factor of this transistor flows. Soshi゛〔,
Since the high voltage output is zero, the control system operates and the output voltage VB of the C control circuit rises to its maximum value, causing the oscillation transistor 3 to drop to 1 due to thermal breakdown.
このような熱破壊にｔｑたるまでの状態を発振トランジ
スタ３の直流動作と呼ぶ。本発明は、上記のように発振
回路の発振時には再生用コンデンサの電圧ｖｂが負電位
領域に存在し、高圧出力の短絡時の発振停止による発振
トランジスタの直流動作でｖｂ＝ｖＢ、＋ｘｂ −Ｒ１
）（ここで、ＶＢＥ 鵡振トランジスタ３のベース・エ
ミッタ間電圧値、Ｒｂは発振安定化抵抗７の抵抗値、Ｉ
ｔ）：、ｊそこを流れる電流値を表わす）の電位となる
ことを利用し゛〔保護回路を構成したものである。The state until such thermal breakdown reaches tq is called DC operation of the oscillation transistor 3. In the present invention, as described above, when the oscillation circuit oscillates, the voltage vb of the regeneration capacitor exists in the negative potential region, and when the oscillation transistor is operated as a direct current by stopping the oscillation when the high voltage output is short-circuited, vb=vB, +xb −R1
) (Here, VBE is the base-emitter voltage value of the oscillating transistor 3, Rb is the resistance value of the oscillation stabilizing resistor 7, and I
A protection circuit is constructed by utilizing the potential of t):,j representing the value of the current flowing therethrough.
以下に本発明の一実施例を図面を参照し′Ｃ詳細に説明
する。An embodiment of the present invention will be described in detail below with reference to the drawings.
第５図にお１へ゛［ａ １は高圧トランスＴの主巻線
。In Figure 5, go to 1. [a 1 is the main winding of the high voltage transformer T.
２は同調コンデンサ、６は発振トランジスタ、５は再生
用コンデンサ、６は正帰還巻線、７は発振安定化抵抗で
、これらの構成は上記従来のものと同様である。８．９
は直列接続しＣなる発振トランジスタ３のべＩス抵抗で
あシ、上記従来のベース抵抗４を複数個に分割してなる
ものである。１０は電圧安定化のための、制御回路、１
１はこの制御回路に接続された保護用トランジスタで、
前記ベース抵抗８，９の接続点の電圧Ｖｃによつ′Ｃ動
作し、制御回路１１を制御するものである。１２は高圧
トランスＴの出力側巻線、１′５はこの巻線に接続され
た整流回路、１４はこの整流回路の出力の一部と基準電
圧とを比較増櫂して前記制御回路を制御する比較増幅器
である。なお、高圧出力が交流を必要とする場合には、
整流回路１３は不要である。2 is a tuning capacitor, 6 is an oscillation transistor, 5 is a regeneration capacitor, 6 is a positive feedback winding, and 7 is an oscillation stabilizing resistor, and these structures are the same as those of the conventional device. 8.9
is a base resistor of the oscillation transistors 3 connected in series and is formed by dividing the conventional base resistor 4 into a plurality of resistors. 10 is a control circuit for voltage stabilization, 1
1 is a protection transistor connected to this control circuit,
The control circuit 11 is operated by the voltage Vc at the connection point of the base resistors 8 and 9 to control the control circuit 11. 12 is an output winding of the high voltage transformer T, 1'5 is a rectifier circuit connected to this winding, and 14 is a part of the output of this rectifier circuit compared with a reference voltage to control the control circuit. It is a comparison amplifier. In addition, if high voltage output requires alternating current,
The rectifier circuit 13 is not necessary.
このような回路Ｖてお層て１発振回路が発振状態にある
ときには、ペース抵抗８，９の接続点の電圧Ｖｃは、第
６図に示すように再生用コンデンサ５の電圧ｖｂＫペー
ス抵抗９の値により決まる直流バイアスをかけた状憧で
推移するもので、この電圧Ｖｃは保護用トランジスタ１
１のＯＮ電圧より低（＾値に設定され１通常の発振状態
にお１へては保護用トランジスタ１１はＯＦＦ状態に維
持されて鬼へ也ところが、高圧出力が短絡すると１発振
が減衰することによつＣ再生用コンデンサ５の電圧ｖｂ
が上昇し、これによつ′Ｃベース抵抗８．９の接続点の
電圧Ｖｃも上昇しＣつ一部には保護用トランジスタ１１
のＯＮレベルの電位に達し、その結果、保護用トランジ
スタ１１がＯＮ状聾となつ′Ｃ制御回路１０の出力電圧
ＶＢを減少させる。発振トランジスタ３が直流動作に入
ると、保護用トランジスタ１１は発振回路のペース電流
を定電流化するように動作する。つまり１発振トランジ
スタ６が直流動作に入ると’ ＶＢ、ｘ＋より（Ｒ’ｃ
−）−Ｒｂ）職ＶＢＰＡｚ （ここでｖＢＥ□は発振ト
ランジスタ３のペース・エミッタ間電圧値、Ｒｃは抵抗
９の抵抗値、Ｒ１）は発振安定化抵抗７の抵抗値、Ｉｂ
は発振安定化抵抗７を流れる電流、ｖＢＢｚ は保護
用−トランジスタ１１のべ−ス・エミッタ間電圧値をそ
れぞれ表わす）の式が成立し 、ｂ、 ＶＢ１２−ＶＢ
Ｂｔ“〒 Ｒｅ−４−Ｒｂ
となる、この電流ｘｂは、従来回路の異常時に流れるペ
ース電ｆｌｌｌｃ比べ°Ｃ小さな値となるため１発振ト
ランジスタ３は熱破壊から保護される。そし゛Ｃ１高圧
出力の短絡が解除されたときには、高圧出力は小さな状
態にあり１発振トランジスタ３は小さなペース電流で発
振を開始するため、再生用コンデンサ５の電圧ｖｂＨ急
速に負電位側に移行し、これにともなつ゛Ｃベース抵抗
８，９の接続点の電圧も下降するととＫより保護用トラ
ンジスタ１１はＯＦＦ状態となって通常の発振状態にも
どる。When one oscillation circuit in such a circuit V is in an oscillating state, the voltage Vc at the connection point of the pace resistors 8 and 9 is equal to the voltage vbK of the regeneration capacitor 5 and the voltage of the pace resistor 9, as shown in FIG. This voltage Vc changes in a state with a DC bias applied, which is determined by the value of the protection transistor 1.
The protection transistor 11 is maintained in the OFF state when the voltage is set to a value lower than the ON voltage of 1 (^ value) and is in the normal oscillation state. However, when the high voltage output is short-circuited, the 1 oscillation is attenuated. Voltage vb of Yotsu C regeneration capacitor 5
As a result, the voltage Vc at the connection point of the base resistor 8.9 also rises, and the protection transistor 11
reaches the ON level potential, and as a result, the protection transistor 11 becomes ON-state deaf, thereby reducing the output voltage VB of the control circuit 10. When the oscillation transistor 3 enters DC operation, the protection transistor 11 operates to make the pace current of the oscillation circuit a constant current. In other words, when the single oscillation transistor 6 enters DC operation, 'VB, x+ (R'c
-) -Rb) VBPAZ (Here, vBE□ is the pace-emitter voltage value of the oscillation transistor 3, Rc is the resistance value of the resistor 9, R1) is the resistance value of the oscillation stabilizing resistor 7, Ib
is the current flowing through the oscillation stabilizing resistor 7, and vBBz is the base-emitter voltage value of the protective transistor 11, respectively).
This current xb, which becomes Bt"〒Re-4-Rb, has a value smaller by °C than the pace current flllc that flows during abnormality in the conventional circuit, so the single oscillation transistor 3 is protected from thermal destruction.Then, the high voltage output of C1 When the short-circuit of When the voltage at the connection point between the C base resistors 8 and 9 also decreases, the protection transistor 11 is turned off due to K and returns to the normal oscillation state.
第７図は本発明の他の実施例の要部を示すもので、第５
図に示したものと異なるところは、ペース抵抗９と発振
安定化抵抗７との間にさらにペース抵抗１５を接続する
とともに、ペース抵抗９とペース抵抗１５の接続点と、
アースとの間にアース側が項方向となるようにダイオー
ド１６を接続した点である。第５図のものでは、大きな
高圧出力を必要とする場合１発振トランジスタ６のペー
ス電流を大きくするためにペース抵抗８．９を小さくし
なければならず、その結果、高圧出力が短絡したとき、
ペース電流が大きくなってコレクタ電流が増加し１発振
トランジスタ３の発熱量が増加するとともに異常発振が
生じ易くなると論う問題がある。ところが、第７図のよ
うに構成すると。FIG. 7 shows the main part of another embodiment of the present invention.
The difference from what is shown in the figure is that a pace resistor 15 is further connected between the pace resistor 9 and the oscillation stabilizing resistor 7, and the connection point between the pace resistor 9 and the pace resistor 15 is
This is the point where the diode 16 is connected to the ground so that the ground side is in the positive direction. In the case of FIG. 5, when a large high voltage output is required, the pace resistor 8.9 must be made small in order to increase the pace current of the single oscillation transistor 6, and as a result, when the high voltage output is short-circuited,
There is a problem in that the pace current increases, the collector current increases, the amount of heat generated by the single-oscillation transistor 3 increases, and abnormal oscillation becomes more likely to occur. However, if it is configured as shown in Figure 7.
高圧出力が短絡した場合、ペース抵抗８，９に流レルＩ
ＫＲＩ ｂ’ ハ、Ｉ”’ ＝＝” （ココテＶＢＩｅ
！ｃ
は保護用トランジスタ１１のペースφエミッタ間電圧値
、ＶＩＰはダイオード１６の順電圧、Ｒｅは抵抗９の抵
抗値をそれぞれ表わす）となり、この電流がベース抵抗
１５側とダイオード１６側とに分流される。発振トラン
ジスタ３のペース側には、ペース抵抗１２および発振安
定化抵抗７が存在するため、ダイオード１６側のインピ
ーダンスの方が小さくなり、Ｉｂ１の多くはダイオード
１６側に流れ、その結果、発振トランジスタ３のコレク
タ電 −流は著しく減少し、異常発熱および異常発振が
生じなくなる。高圧出力の短絡が解除されたときには、
第５図の場谷と同様に自動的に後場する。If the high voltage output is short-circuited, the pace resistors 8 and 9 will be
KRI b' Ha, I"'==" (KokoteVBIe
! (c is the pace φ emitter voltage value of the protection transistor 11, VIP is the forward voltage of the diode 16, and Re is the resistance value of the resistor 9), and this current is divided into the base resistor 15 side and the diode 16 side. Ru. Since the pace resistor 12 and the oscillation stabilizing resistor 7 are present on the pace side of the oscillation transistor 3, the impedance on the diode 16 side becomes smaller, and most of Ib1 flows to the diode 16 side, and as a result, the oscillation transistor 3 The collector current of is significantly reduced, and abnormal heat generation and abnormal oscillation no longer occur. When the short circuit of the high voltage output is removed,
As with the case in Figure 5, the player automatically exits the scene.
本発明の高圧電源は以上説明したように、自励発振回路
の発振トランジスタのペース抵抗を、直列接続した複数
個の抵抗体で構成するとともに、その複数個の抵抗体の
接続点の電圧により保護用トランジスタを動作させ゛Ｃ
制御回路のトランジスタを制御するようにしたので、保
護動作に極めてすぐれ喪ものとな）・、保護回路の構成
が簡素化され′〔コスト的にも極めて有利になる等の種
々のすぐれた効果を奏する。As explained above, in the high voltage power supply of the present invention, the pace resistor of the oscillation transistor of the self-excited oscillation circuit is composed of a plurality of resistors connected in series, and is protected by the voltage at the connection point of the plurality of resistors. Operate the transistor for ゛C
Since the transistors in the control circuit are controlled, the protection circuit has various excellent effects, such as extremely superior protection operation (no loss of performance), and simplified configuration of the protection circuit (extreme cost advantage). play.
第１図は従来の保護回路を備えた高圧電源のブロック回
路図、第２図はその制御回路の、高圧出力短絡時の出力
電圧波形図、第３図は従来の自励発揚回路図、第４図は
その再生用コンデンサの電圧波形図、第５図は本発明の
一実施例の高圧電源の回路構成図、第６図はそのベース
抵抗および再生用コンデンサの電圧波形図、第７図は本
発明の他の実施例の高圧電源の回路構成図、第８図はそ
のベースおよび再生用コンデンサの電圧波形図である。
２員
−一争刀鋼Ｃ
第 ７ 図
！
第 ８ 図
手続補正書目式）
％式％
２、発明の名称
自励発振型高圧電源
３、補正をする者
代表者 科 由 語
４、補正命令の日付
昭和５７年２月２３日（発送日〕
５、補正により増加する発明の数
７、補正の内容
明細書の浄書（内容に変更なし）。
手 続 補 正 書
昭和５７年 ４月ｌチ日
１、事件の表示
昭和５６年特 許 願第１６１４７４号２、発明の名称
自励発振型高圧電源
３、補正をする者
事件との関係 特許出願人
住所 京都府長岡京市天神二丁目２６番１０号名称 （
６２３）株式会社 村 １）製 作 所明細書の「発明
の詳細な説明」および［図面の簡単な説明」の各欄、な
らびに図面。
「抵抗１５」と補正する。
（２）同第１１ページ第１５行目の「ベー」を「ベース
抵抗」と補正する。
（３）同第１１ページ第１６行目と１７行目の間に次の
字句を挿入する。
［１・・・・・・高圧トランスの主巻線、２・・・・・
・同調コンデン９１．３・・・・・・発振トランジスタ
、５・・・・・・再生用コンデンサ、６・・・・・・正
帰還巻線、７．１５・・・・・・発振安定化抵抗、８．
９・・・・・・ペース抵抗、１０・・・・・・制御回路
、１１・・・・・・保護用トランジスタ、１２・・・・
・・高圧トランスの出力側巻線、１３・・・・・・整流
回路、１４・・・・・・比較増幅器、１６・・・・・・
ダイオード。」（４）図面の第３図および第６図を別紙
訂正図面の通り補正する。Figure 1 is a block circuit diagram of a high voltage power supply equipped with a conventional protection circuit, Figure 2 is an output voltage waveform diagram of its control circuit when the high voltage output is short-circuited, Figure 3 is a diagram of a conventional self-exciting pumping circuit, Fig. 4 is a voltage waveform diagram of the regeneration capacitor, Fig. 5 is a circuit configuration diagram of a high voltage power supply according to an embodiment of the present invention, Fig. 6 is a voltage waveform diagram of the base resistor and the regeneration capacitor, and Fig. 7 is a voltage waveform diagram of the regeneration capacitor. FIG. 8 is a circuit configuration diagram of a high voltage power supply according to another embodiment of the present invention, and is a voltage waveform diagram of the base and regeneration capacitor. 2 members - Isshu Sword Steel C Figure 7! Figure 8 Procedural amendment list format) % formula % 2. Name of the invention Self-excited oscillation type high voltage power supply 3. Representative of the person making the amendment 4. Date of amendment order February 23, 1980 (shipment date) 5. Number of inventions increased by amendment 7, engraving of the description of the content of the amendment (no change in content).Procedures Amendment Written on April 1, 1982 1, Indication of the case 1982 Patent Application No. 161474 No. 2, Name of the invention Self-excited oscillation type high voltage power supply 3, Relationship with the person making the amendment Case Patent applicant address 2-26-10 Tenjin, Nagaokakyo City, Kyoto Name (
623) Mura Co., Ltd. 1) Manufacturer's "Detailed Description of the Invention" and "Brief Description of Drawings" sections of the specification, as well as the drawings. Correct it to "resistance 15". (2) "Bae" in the 15th line of the 11th page is corrected to "base resistance". (3) Insert the following phrase between the 16th and 17th lines of the 11th page. [1... Main winding of high voltage transformer, 2...
・Tuning capacitor 91.3...Oscillation transistor, 5...Regeneration capacitor, 6...Positive feedback winding, 7.15...Oscillation stabilization Resistance, 8.
9... Pace resistor, 10... Control circuit, 11... Protection transistor, 12...
...High voltage transformer output winding, 13... Rectifier circuit, 14... Comparison amplifier, 16...
diode. (4) Figures 3 and 6 of the drawings are corrected as shown in the attached corrected drawings.
Claims (1)
へて。 発振トランジスタのベース抵抗番、直列接続した複数個
の抵抗体で構成するとともに、その複数個の抵抗体の接
続点の電圧により動作する保護用トランジスタを前記制
御回路忙接続したことを特徴とする自励発振型高圧電源
。 （２）制御回路を備えた自励発振型高圧電源にお鬼へて
。 発振トランジスタのペース抵抗を、直列接続した少なく
とも３個の抵抗体で構成するとともに、これらの抵抗体
の接続点のうち電位の高１／％側の電圧により動作する
保護用トランジスタを前記制御回路に接続し、電位の低
偽側の接続点とアースとの間にアース側が順方向となる
ようにダイオードを接続したことを特徴とする自励発振
型高圧電源。[Claims] 11) A self-excited oscillation type high voltage power supply including a control circuit.
Hete. The base resistor of the oscillation transistor is composed of a plurality of resistors connected in series, and a protection transistor operated by a voltage at a connection point of the plurality of resistors is connected to the control circuit. Excited oscillation type high voltage power supply. (2) Use a self-oscillating high-voltage power supply equipped with a control circuit. The pace resistor of the oscillation transistor is composed of at least three resistors connected in series, and the control circuit includes a protection transistor that is operated by a voltage on the higher 1/% side of the potential at the connection point of these resistors. A self-excited oscillation type high voltage power supply characterized in that a diode is connected between the connection point on the low potential side and the ground so that the ground side is in the forward direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56161474A JPS5863083A (en) | 1981-10-09 | 1981-10-09 | Self-oscillation type high-voltage power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56161474A JPS5863083A (en) | 1981-10-09 | 1981-10-09 | Self-oscillation type high-voltage power source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5863083A true JPS5863083A (en) | 1983-04-14 |
| JPH0376115B2 JPH0376115B2 (en) | 1991-12-04 |
Family
ID=15735773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56161474A Granted JPS5863083A (en) | 1981-10-09 | 1981-10-09 | Self-oscillation type high-voltage power source |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5863083A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58159673A (en) * | 1982-03-17 | 1983-09-22 | Tokyo Electric Co Ltd | One-transistor inverter |
| JPS6188491A (en) * | 1984-07-30 | 1986-05-06 | ルミネツセント・エレクトロニクス・インコーポレーテツド | Power feeder for electrically luminous panel |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53122722A (en) * | 1977-03-31 | 1978-10-26 | Ikeda Denki Kk | Transistor inverter device |
-
1981
- 1981-10-09 JP JP56161474A patent/JPS5863083A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53122722A (en) * | 1977-03-31 | 1978-10-26 | Ikeda Denki Kk | Transistor inverter device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58159673A (en) * | 1982-03-17 | 1983-09-22 | Tokyo Electric Co Ltd | One-transistor inverter |
| JPH0546193B2 (en) * | 1982-03-17 | 1993-07-13 | Tokyo Electric Co Ltd | |
| JPS6188491A (en) * | 1984-07-30 | 1986-05-06 | ルミネツセント・エレクトロニクス・インコーポレーテツド | Power feeder for electrically luminous panel |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0376115B2 (en) | 1991-12-04 |
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