CN104467475A - Hybrid triggering type driving power source for power system fault detector - Google Patents
Hybrid triggering type driving power source for power system fault detector Download PDFInfo
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- CN104467475A CN104467475A CN201410675355.0A CN201410675355A CN104467475A CN 104467475 A CN104467475 A CN 104467475A CN 201410675355 A CN201410675355 A CN 201410675355A CN 104467475 A CN104467475 A CN 104467475A
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- 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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc 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
- H02M7/217—Conversion of ac power input into dc 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
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from dc input or output
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Power Conversion In General (AREA)
Abstract
The invention discloses a hybrid triggering type driving power source for a power system fault detector. The hybrid triggering type driving power source mainly comprises a diode rectifier U, a nonlinear trigger circuit connected with the diode rectifier U, a buffering crystal oscillator circuit and a quartz crystal oscillator circuit, wherein the buffering crystal oscillator circuit and the quartz crystal oscillator circuit are connected with the nonlinear trigger circuit. The hybrid triggering type driving power source is characterized in that a power logic voltage-stabilizing circuit is connected between the diode rectifier U and the nonlinear trigger circuit and mainly comprises a power amplifier P1, an NAND gate IC1, an NAND gate IC2, an NAND gate IC3, an NAND gate IC4 and a diode D2, wherein the N pole of the diode D2 is connected with the output end of the power amplifier P1 and the P pole of the diode D2 is grounded after passing through a resistor R4. According to the hybrid triggering type driving power source, the circuit structure can be greatly simplified, radio-frequency interference of the circuits and radio-frequency interference of external connection can be lowered, and the manufacturing cost and the maintenance cost are greatly lowered.
Description
Technical field
The present invention relates to a kind of switching power supply, specifically refer to a kind of electric power system fault detection device mixing trigger-type driving power.
Background technology
At present, along with the develop rapidly of power industry, the equipment that people are used for Power System Faults Detection also has great development.Because the maintenance of electric power system often relates to hundreds of kilovolt, the even voltage circuit of up to a million kilovolts, therefore its maintenance circuit is very long, so also very high to the power reguirements of fault test set.But, but larger ripple coefficient is there is in current people to the portable power source that fault test set provides, not only can produce radio-frequency electromagnetic interference, and its circuit structure more complicated, maintenance and cost of manufacture are higher, therefore greatly limit the scope of application of fault test set, be unfavorable for that people check on a large scale to circuit.
Summary of the invention
The object of the invention is to the defect that ripple coefficient is comparatively large, radio frequency interference is serious, circuit is complicated and efficiency is not high overcoming the existence of current fault test set power supply, a kind of brand-new electric power system fault detection device mixing trigger-type driving power is provided.
Object of the present invention is achieved through the following technical solutions: a kind of electric power system fault detection device mixing trigger-type driving power, primarily of diode rectifier U, the non-linear circuits for triggering be connected with diode rectifier U, and the buffered crystal oscillator circuit to be connected with these non-linear circuits for triggering and quartz crystal oscillator circuits form, simultaneously, logical power voltage stabilizing circuit is also serially connected with between diode rectifier U and non-linear circuits for triggering, described logical power voltage stabilizing circuit is by power amplifier P1, NAND gate IC1, NAND gate IC2, NAND gate IC3, NAND gate IC4, N pole is connected with the output of power amplifier P1, the diode D2 of P pole ground connection after resistance R4, one end is connected with the first input end of NAND gate IC1, the resistance R5 that the other end is connected with the output of NAND gate IC2 after electric capacity C4, one end is connected with the output of NAND gate IC1, the resistance R6 that the other end is connected with the tie point of electric capacity C4 with resistance R5, one end is connected with the output of NAND gate IC3, the resistance R7 that the other end is connected with the output of NAND gate IC4 after resistance R8, and one end is connected with the end of oppisite phase of power amplifier P1, the resistance R3 of other end ground connection forms, second input end grounding of described NAND gate IC1, its output is also connected with the first input end of NAND gate IC2, second input of NAND gate IC2 is connected with the cathode output end of diode rectifier U, its output is then connected with second input of NAND gate IC4 with the first input end of NAND gate IC3 respectively, and second input of NAND gate IC3 is connected with the first input end of NAND gate IC4, the in-phase end of described power amplifier P1 is connected with the cathode output end of diode rectifier U, and its output is connected with non-linear circuits for triggering.
Further, described non-linear circuits for triggering are by transistor Q1, and transistor Q2, diode D1, tunable capacitor C3, resistance R2, resistance R9, resistance R10 and resistance R11 form; The P pole of described diode D1 is connected with the collector electrode of transistor Q1, its N pole is connected with the collector electrode of transistor Q2 after resistance R11 through resistance R10 in turn, and the negative pole of tunable capacitor C3 is connected with the collector electrode of transistor Q2, its positive pole is connected with the collector electrode of transistor Q1 after resistance R2 through resistance R9 in turn; The base stage of described transistor Q1 is connected with the tie point of resistance R11 with resistance R10, and its emitter is connected with the output of power amplifier P1; The base stage of transistor Q2 is connected with the tie point of resistance R9 with resistance R2, and its emitter is connected with the tie point of resistance R8 with resistance R7; The cathode output end of described diode rectifier U is then connected with the collector electrode of transistor Q1.
Described quartz crystal oscillator circuits is by inverting amplifier U1, be serially connected in the resistance R1 between the input of inverting amplifier U1 and output and quartz oscillator X1, the electric capacity C1 that positive pole is connected with the input of inverting amplifier U1, negative pole is connected with the P pole of diode D1, and the tunable capacitor C2 that positive pole is connected with the output of inverting amplifier U1, negative pole is connected with the N pole of diode D1 forms.
Described buffered crystal oscillator circuit is by inverting amplifier U2, the inverting amplifier U3 that input is connected with the output of inverting amplifier U2, the inductance L 2 that one end is connected with the output of inverting amplifier U2, the other end is connected with the output of inverting amplifier U3 after inductance L 1, and the quartz oscillator X2 that one end is connected with the input of inverting amplifier U2, the other end is connected with the tie point of inductance L 2 with inductance L 1 forms; The input of described inverting amplifier U2 is also connected with the positive pole of tunable capacitor C3, and the output of inverting amplifier U3 is then also connected with the collector electrode of transistor Q2.
The present invention comparatively prior art compares, and has the following advantages and beneficial effect:
(1) initiative of the present invention logical power voltage stabilizing circuit and non-linear circuits for triggering are combined, circuit structure can not only be greatly simplify, and circuit self and external radio frequency interference can also be reduced, cost of manufacture and maintenance cost are had reduction by a relatively large margin.
(2) the present invention effectively can overcome the late effect of conventional power source circuit, effectively can improve the quality of power supply.
(3) scope of application of the present invention is comparatively wide, can be applicable to the fault detect environment of different occasion.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, the present invention is primarily of diode rectifier U, the non-linear circuits for triggering be connected with diode rectifier U, the buffered crystal oscillator circuit be connected with non-linear circuits for triggering and quartz crystal oscillator circuits, and the logical power voltage stabilizing circuit be arranged between diode rectifier U and non-linear circuits for triggering forms.
Wherein, described logical power voltage stabilizing circuit is by power amplifier P1, NAND gate IC1, NAND gate IC2, NAND gate IC3, NAND gate IC4, and diode D2, resistance R3, resistance R4, resistance R5, resistance R6 resistance R7, resistance R8 and electric capacity C4 forms.
During connection, the N pole of diode D2 is connected with the output of power amplifier P1, its P pole ground connection after resistance R4.One end of resistance R5 is connected with the first input end of NAND gate IC1, and its other end is connected with the output of NAND gate IC2 after electric capacity C4; One end of resistance R6 is connected with the output of NAND gate IC1, and its other end is connected with the tie point of electric capacity C4 with resistance R5; And one end of resistance R7 is connected with the output of NAND gate IC3, its other end is connected with the output of NAND gate IC4 after resistance R8; One end of resistance R3 is connected with the end of oppisite phase of power amplifier P1, its other end ground connection.
For guaranteeing result of use, second input of this NAND gate IC1 needs ground connection, and its output will be connected with the first input end of NAND gate IC2; Second input of NAND gate IC2 is connected with the cathode output end of diode rectifier U, and its output is then connected with second input of NAND gate IC4 with the first input end of NAND gate IC3 respectively; Second input of NAND gate IC3 is connected with the first input end of NAND gate IC4.Meanwhile, the in-phase end of described power amplifier P1 is connected with the cathode output end of diode rectifier U.
Described non-linear circuits for triggering are by transistor Q1, and transistor Q2, diode D1, tunable capacitor C3, resistance R2, resistance R9, resistance R10 and resistance R11 form.During connection, the P pole of described diode D1 is connected with the collector electrode of transistor Q1, and its N pole is connected with the collector electrode of transistor Q2 after resistance R11 through resistance R10 in turn; The negative pole of tunable capacitor C3 is connected with the collector electrode of transistor Q2, its positive pole is connected with the collector electrode of transistor Q1 after resistance R2 through resistance R9 in turn.
The base stage of described transistor Q1 is connected with the tie point of resistance R11 with resistance R10, and its emitter is connected with the output of power amplifier P1; The base stage of transistor Q2 is connected with the tie point of resistance R9 with resistance R2, and its emitter is connected with the tie point of resistance R8 with resistance R7.Meanwhile, the cathode output end of this diode rectifier U will be connected with the collector electrode of transistor Q1.
Described quartz crystal oscillator circuits is by inverting amplifier U1, be serially connected in the resistance R1 between the input of inverting amplifier U1 and output and quartz oscillator X1, the electric capacity C1 that positive pole is connected with the input of inverting amplifier U1, negative pole is connected with the P pole of diode D1, and the tunable capacitor C2 that positive pole is connected with the output of inverting amplifier U1, negative pole is connected with the N pole of diode D1 forms.
Described buffered crystal oscillator circuit is made up of inverting amplifier U2, inverting amplifier U3, inductance L 1, inductance L 2 and quartz oscillator X2.During connection, the input of inverting amplifier U3 is connected with the output of inverting amplifier U2, and one end of inductance L 2 is connected with the output of inverting amplifier U2, and its other end is connected with the output of inverting amplifier U3 after inductance L 1.
One end of quartz oscillator X2 is connected with the input of inverting amplifier U2, the other end is connected with the tie point of inductance L 1 with inductance L 2.Meanwhile, the input of described inverting amplifier U2 is also connected with the positive pole of tunable capacitor C3, and the output of inverting amplifier U3 is then also connected with the collector electrode of transistor Q2.
As mentioned above, just the present invention can well be realized.
Claims (4)
1. an electric power system fault detection device mixing trigger-type driving power, primarily of diode rectifier U, the non-linear circuits for triggering be connected with diode rectifier U, and the buffered crystal oscillator circuit to be connected with these non-linear circuits for triggering and quartz crystal oscillator circuits form, it is characterized in that, logical power voltage stabilizing circuit is also serially connected with between diode rectifier U and non-linear circuits for triggering, described logical power voltage stabilizing circuit is by power amplifier P1, NAND gate IC1, NAND gate IC2, NAND gate IC3, NAND gate IC4, N pole is connected with the output of power amplifier P1, the diode D2 of P pole ground connection after resistance R4, one end is connected with the first input end of NAND gate IC1, the resistance R5 that the other end is connected with the output of NAND gate IC2 after electric capacity C4, one end is connected with the output of NAND gate IC1, the resistance R6 that the other end is connected with the tie point of electric capacity C4 with resistance R5, one end is connected with the output of NAND gate IC3, the resistance R7 that the other end is connected with the output of NAND gate IC4 after resistance R8, and one end is connected with the end of oppisite phase of power amplifier P1, the resistance R3 of other end ground connection forms, second input end grounding of described NAND gate IC1, its output is also connected with the first input end of NAND gate IC2, second input of NAND gate IC2 is connected with the cathode output end of diode rectifier U, its output is then connected with second input of NAND gate IC4 with the first input end of NAND gate IC3 respectively, and second input of NAND gate IC3 is connected with the first input end of NAND gate IC4, the in-phase end of described power amplifier P1 is connected with the cathode output end of diode rectifier U, and its output is connected with non-linear circuits for triggering.
2. a kind of electric power system fault detection device mixing trigger-type driving power according to claim 1, it is characterized in that, described non-linear circuits for triggering by transistor Q1, transistor Q2, diode D1, tunable capacitor C3, resistance R2, resistance R9, resistance R10 and resistance R11 form; The P pole of described diode D1 is connected with the collector electrode of transistor Q1, its N pole is connected with the collector electrode of transistor Q2 after resistance R11 through resistance R10 in turn, and the negative pole of tunable capacitor C3 is connected with the collector electrode of transistor Q2, its positive pole is connected with the collector electrode of transistor Q1 after resistance R2 through resistance R9 in turn; The base stage of described transistor Q1 is connected with the tie point of resistance R11 with resistance R10, and its emitter is connected with the output of power amplifier P1; The base stage of transistor Q2 is connected with the tie point of resistance R9 with resistance R2, and its emitter is connected with the tie point of resistance R8 with resistance R7; The cathode output end of described diode rectifier U is then connected with the collector electrode of transistor Q1.
3. a kind of electric power system fault detection device mixing trigger-type driving power according to claim 2, it is characterized in that, described quartz crystal oscillator circuits is by inverting amplifier U1, be serially connected in the resistance R1 between the input of inverting amplifier U1 and output and quartz oscillator X1, the electric capacity C1 that positive pole is connected with the input of inverting amplifier U1, negative pole is connected with the P pole of diode D1, and the tunable capacitor C2 that positive pole is connected with the output of inverting amplifier U1, negative pole is connected with the N pole of diode D1 forms.
4. a kind of electric power system fault detection device mixing trigger-type driving power according to claim 3, it is characterized in that, described buffered crystal oscillator circuit is by inverting amplifier U2, the inverting amplifier U3 that input is connected with the output of inverting amplifier U2, one end is connected with the output of inverting amplifier U2, the inductance L 2 that the other end is connected with the output of inverting amplifier U3 after inductance L 1, and one end is connected with the input of inverting amplifier U2, the quartz oscillator X2 that the other end is connected with the tie point of inductance L 2 with inductance L 1 forms, the input of described inverting amplifier U2 is also connected with the positive pole of tunable capacitor C3, and the output of inverting amplifier U3 is then also connected with the collector electrode of transistor Q2.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410675355.0A CN104467475A (en) | 2014-11-23 | 2014-11-23 | Hybrid triggering type driving power source for power system fault detector |
| CN201510293057.XA CN104883080A (en) | 2014-11-23 | 2015-06-01 | Constant-current hybrid triggered driving power supply for power system fault detection devices |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410675355.0A CN104467475A (en) | 2014-11-23 | 2014-11-23 | Hybrid triggering type driving power source for power system fault detector |
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| CN104467475A true CN104467475A (en) | 2015-03-25 |
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| CN201410675355.0A Pending CN104467475A (en) | 2014-11-23 | 2014-11-23 | Hybrid triggering type driving power source for power system fault detector |
| CN201510293057.XA Pending CN104883080A (en) | 2014-11-23 | 2015-06-01 | Constant-current hybrid triggered driving power supply for power system fault detection devices |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104883080A (en) * | 2014-11-23 | 2015-09-02 | 成都冠深科技有限公司 | Constant-current hybrid triggered driving power supply for power system fault detection devices |
| CN110690893A (en) * | 2019-08-23 | 2020-01-14 | 大族激光科技产业集团股份有限公司 | High-frequency driving system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108470388A (en) * | 2018-03-28 | 2018-08-31 | 成都信达智胜科技有限公司 | A method of detection vehicle data |
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| CN201774717U (en) * | 2010-08-26 | 2011-03-23 | 佛山市顺德区瑞德电子实业有限公司 | SCR resonance half-bridge based LED streetlamp drive power circuit |
| CN202076931U (en) * | 2011-05-03 | 2011-12-14 | 抚顺市新鸿升照明电子有限责任公司 | Non-electrolysis long-life stable-voltage constant current driving power supply |
| CN202634816U (en) * | 2012-05-25 | 2012-12-26 | 无锡实益达电子有限公司 | Small-size low-electromagnetic-interference LED (light emitting diode) driving power supply |
| CN104467475A (en) * | 2014-11-23 | 2015-03-25 | 成都创图科技有限公司 | Hybrid triggering type driving power source for power system fault detector |
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- 2014-11-23 CN CN201410675355.0A patent/CN104467475A/en active Pending
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104883080A (en) * | 2014-11-23 | 2015-09-02 | 成都冠深科技有限公司 | Constant-current hybrid triggered driving power supply for power system fault detection devices |
| CN110690893A (en) * | 2019-08-23 | 2020-01-14 | 大族激光科技产业集团股份有限公司 | High-frequency driving system |
| CN110690893B (en) * | 2019-08-23 | 2023-08-22 | 大族激光科技产业集团股份有限公司 | High-frequency driving system |
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Application publication date: 20150325 |