CN1132419A - Multifunctional high and low voltage power source having continuous adjustable frequency, voltage and waveshape - Google Patents
Multifunctional high and low voltage power source having continuous adjustable frequency, voltage and waveshape Download PDFInfo
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- CN1132419A CN1132419A CN 94115559 CN94115559A CN1132419A CN 1132419 A CN1132419 A CN 1132419A CN 94115559 CN94115559 CN 94115559 CN 94115559 A CN94115559 A CN 94115559A CN 1132419 A CN1132419 A CN 1132419A
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Abstract
A high-voltage or low-voltage power supply with continuously adjustable frequency, voltage and waveform is mainly composed of standard signal generator, continuously adjustable 0-3000V modular switch circuit for Dc conversion and step-up, waveform exciting and power amplifying circuit, modular photocoupling switch circuit, step-up and protection circuits, and features light weight, small size, high reliability and square-wave peak up to 3000 V with very good rising edge.
Description
The present invention relates to a kind of electrical equipment, particularly relate to a kind of high voltage source of scalable frequency, voltage, waveform continuously.
High voltage source mainly is direct current and 50Hz ac high-voltage output form at present, for example FH-426B 3KV dc high-voltage source (state-run 231 factories) high-voltage power supply is a kind of high-voltage power supply of sectional-regulated output, its internal circuit adopts transistor DC-DC conversion, owing to be subjected to transistorized power consumption and withstand voltage restriction, its output can not be regulated continuously, and output current is little, another kind of JC-4 type dielectric breakdown device (is handed over, high direct voltage output, Changzhou Electronic Instruments Plant produces), its output can be that direct current also can be that 50Hz exchanges, identical with the former is to regulate output voltage continuously.Its transformation form mainly adopts exports high direct voltage with the 220V supply voltage after transformer boosts vacuum tube rectifier, though can regulate continuously within the specific limits, but its scope is narrow, in addition owing to adopted the 50Hz rectification of boosting, so the transformer, electron tube, the capacitor volume that are adopted are huge, weight reaches 40 kilograms, the energy consumption height.The alternating voltage of this power supply output can only be the single-frequency of 50Hz, do not have frequency conversion function, and waveform can't change also.
List of references:
1, " JC-4 type dielectric breakdown device " (AC and DC high-voltage power supply) specification, Changzhou Electronic Instruments Plant.
2, FB-426B 3KV high voltage source: state-run 261 factories
The objective of the invention is to overcome the shortcoming and defect that technology is just being arranged, for the stability and convenient adjusting of improving high voltage source, and reach the voltage that continuous adjusting is exported, frequency, multiple waveform, realize a tractor serves several purposes, thereby provide a kind of by standard signal generator, it is adjustable to produce cline frequency and amplitude, the stable AC signal that waveform is variable, this signal is exported through two-way, wherein sinusoidal and sawtooth waveforms amplifies afterwards by the stepup transformer output high pressure that boosts via the waveform stimulus power amplifier, the square wave triggering signal of a standard is exported through light-coupled isolation in another road, and switching circuit becomes the 0-3000V DC converting square-wave voltage of 0-3000Vp-p.
The objective of the invention is to finish in the following manner:
Fig. 1 is a composition block diagram of the present invention
Fig. 2 is a circuit block diagram of the present invention
The present invention mainly comprises five parts: standard signal generator (1), continuous adjustable 0-3000V module switch DC converting booster circuit (2), waveform stimulus and power amplification circuit (3), optocoupler and module switch circuit (4), boost and protective circuit (5); by the stable AC signal that one of standard signal generator (1) generation has cline frequency and amplitude is adjustable, waveform is variable; this signal divides two-way output, the sinusoidal and sawtooth waveforms of one after waveform stimulus and power amplification circuit (3) signal are exaggerated by boosting and protective circuit (5) is exported high pressure.The square wave triggering signal of a standard is exported on another road, the 0-3000V DC converting is become the square-wave voltage of 0-3000Vp-p through optocoupler and module switch circuit (4).
Below in conjunction with drawings and Examples the present invention is explained:
Fig. 2 is a circuit block diagram of the present invention
Five dashed rectangle are arranged in Fig. 2, and the label in each square frame is promptly represented the label of five parts among Fig. 1 of the present invention, now five parts is illustrated respectively:
(1) standard signal generator: owing to adopted two 8038 function generators as Waveform generating circuit, its frequency and output waveform are easy to adjust, insert a LM356 integrated package as excitation and coupling coupling at output, its output has a stable waveform output.One 8038 switching signal that a standard is provided as the DC-DC converter wherein, another piece 8038 is mainly as standard sine wave sawtooth waveforms and square wave standard signal source, (2) the 0-3000V DC transfer circuit is to adopt two high power switch module translation circuits, control its switching time by criteria triggers signal 15KHz square wave, because the amplitude of the square wave of square wave switch module output is the DC amplitude control by input, so the present invention has adopted LM317k as adjustable voltage stabilizer in the DC-DC conversion, add that two high power transistors are as electric current adjustment pipe, CA301 is amplifier as a comparison, so whole output voltage can be adjusted in 1.4～40V scope continuously, this voltage is sent into stepup transformer behind module switch, obtain a continuously adjustable high direct voltage.(3) effect of waveform stimulus and power amplifier is to send into not stage power amplifier after sine wave and the sawtooth waveforms device excitation amplification, in order to obtain distortionless stable output sine and sawtooth waveforms high pressure, power amplifier has adopted TMOS power amplifier module amplifying circuit, the input of TMOS module provides pumping signal by the exciting amplifier of a variable-magnitude, like this when changing input signal amplitude, its output voltage also changes thereupon, exports its frequency adjustable ac high-voltage of ten thousand volts of 0-1 after the signal behind power amplifier is boosted by a high-tension transformer.In addition in order to guarantee that inverse peak voltage when the snap switch machine is to the puncture of power amplifier level; this circuit has adopted the peak value limiter protection circuit; (4) optocoupler and module switch circuit; seven groups of light-coupled isolation amplifiers have been adopted; its objective is height; low-voltage is isolated; input to switch module from the square wave of standard signal source through the optical isolator spare 6N136 of seven groups of parallel connections; the switch module on off state is by the output signal control of optical isolator; the high pressure of DC-DC converter is connected to switch module; under the effect of excitation square wave; its module output one its amplitude is proportional to the high pressure of DC-DC converter; regulate the output voltage of exciting signal frequency and DC-DC converter; can obtain the square-wave pulse high pressure of a frequency and variable-magnitude from switch module; switch module adopts all presses output form; so output Vp-p value of the present invention can reach more than the 3000V, (5) boost and protective circuit is made up of elements such as transformer and relay and diodes.The elementary output that is connected to power amplifier of its transformer, secondary have many group outputs, wherein has one group to be sinusoidal, the sawtooth waveforms winding that boosts, and one group is the DC-DC winding that boosts, and another group is monitored winding for output amplitude.
Embodiment 1
Manufacture a frequency, voltage, the continuously adjustable multi-functional high and low pressure power supply of waveform by Fig. 2 circuit diagram.The detailed circuit diagram of five parts of this power supply is shown in Fig. 3-7, and detailed description respectively.
Fig. 3 is rectifying and voltage-stabilizing and the current stabilization electrical schematic diagram among embodiment 1 Fig. 1
Fig. 4 is the triggering signal switch-actuated among the embodiment 1, and the DC-DC conversion is boosted, power amplifier and buffer.
Light among Fig. 5 embodiment 1 isolates transmission and the square wave high pressure forms the module electrical schematic diagram
Electrical schematic diagram is amplified in waveform generation excitation among Fig. 6 embodiment 1
Low, high-voltage rectifying among Fig. 7 embodiment 1, effective value is measured display circuit figure
Fig. 3 is main rectification, voltage stabilizing and the stabilized current power supply electrical schematic diagram of complete machine, the direct current that its rectification obtains 40V is pressed with two-way output, one the tunnel exports a low pressure 40V power supply through change over switch AB, the pressurizer that another road extremely is made up of LM317k and MJ4052 through AB, thereby the conducting state of pumping signal control LM317 is compared in the sampling amplifier output that the adjustment end of its integrated package of pressure-stabilizing LM317 is made up of VA301, and then the conducting state of control MJ4052, when regulating R
8The time, its output voltage can be regulated continuously from 1.0～40V, this voltage after filtering as the supply voltage of waveform power amplifier and DC-DC conversion.
Fig. 4 is trigger switch excitation, and DC-DC conversion and booster circuit and power amplifier buffer stage produce the 15K square-wave pulse signal of a standard by 8038 integrated circuits, after LM356 amplifies by R
20Give switch module after the adjusting, a switch form in parallel is formed in switch module 78-A * 2, and its purpose mainly is to increase output current, and under switching signal triggered, the supply voltage of module was through K
pA, B and J
2k301 contact and R
23, B
2J
B1, J
2kTo the C end of 78-A, thereby at B
2Elementary generation one square-wave pulse is through B
2The secondary back of boosting exports high-voltage rectifier to by the B end, the characteristics of this circuit are that the on off state of switch module is only triggered square wave and controls, under the enough situation of square wave amplitude, the amplitude of its output square wave is by Fig. 3 1.0～40V voltage control, so when regulating 1.0～40V voltage output size, reality has reached control through B
2The amplitude of the square wave of step-up transformer can be controlled its B terminal voltage amplitude thus linearly.Reached the purpose of continuous adjusting output.B in addition
2Boosting of sinusoidal wave and the square wave ac signal also held concurrently is just at this moment with J
2k2And J
2k2Can be converted to 5-4 by point, 0-3 is logical, has disconnected the sources voltage of high-voltage switch gear module 78-A * 2, power amplifier module (TMO-90) adds the supply voltage of positive and negative 40V, by the AC signal of e-e end input through A
3Amplify the buffer that the back is made up of devices such as electric capacity and resistance, through T
2k1The 7-9 end is by J
B1A-B is through B
2Elementary to formation one loop, ground, this moment is through B
2The secondary back of boosting is by the output of A end, P among the figure
4And R
24, C
13Form automatic peak limiter, R
22And C
12Thereby form the switching on and shutting down leakage circuit and protected module.
Fig. 5 is that electrical schematic diagram is amplified in the waveform generation excitation, and its operation principle and Fig. 3 are same, and different is the control voltage of this circuit employing-LF356 as 8038 function generators, has improved the linearity of voltage, and frequency of oscillation is by 4R
14R24 and C
3-C
6Determine, change C
3-C
6Can change the frequency range of output, change 4R2 and can change the output wave frequency linearly, at C
3-C
6When choosing the electric capacity of 1 μ-100p scope, its frequency bandwidth is 100KHz, owing to 8038 can not add at sine wave output under the high-impedance state-LF356 is as buffer amplifier, and entire circuit is powered by a reference power supply piece, and it is output as a stable AC signal.
Fig. 6 is that the high-voltage square-wave of the embodiment of the invention forms circuit, owing to adopted the transmission of light-coupled isolation signal, so can separate the front and back level, import the output that the square-wave signal of standard is transferred to 6N136 through the parallel connection that seven groups of 6N136 form, be coupled to the input of LM356 by 2C8 by 2BG1-2BG7 buffering back, after amplifying, export by 6 pin, its amplitude can be regulated by 2R38-2R44, triggering signal is chosen for 2V, this square-wave signal is coupled to the partial pressure switch module that WS1-WS7 forms by 2C15-2C21 respectively, the withstand voltage 800V that is chosen for of its module.So the voltage divider that the 0-3000V direct current is formed via 2R53 to 2R60 is supplied with the supply voltage of each module V7, under the situation of maximum 3000V input, the pressure drop of every module is about 430V.Because the low pressure source of the switch module of this circuit does not have common port tie point, its connected mode by seven groups of regulator blocks power supplies respectively is that floating-point connects, avoided in addition because of high-voltage breakdown prime element.
Fig. 7 is the attached power supply of complete machine, seven groups of source of stable pressure all adopt integrated regulator 7805, it is output as independently-powered, (5) b is the voltage multiplying rectifier circuit, (5) c is the AC value measurement circuitry, its measuring range is 0-5000Vp-p, owing to adopted AC value processing integrated circuit AD356J, its show value is not subjected to the restriction of waveform and frequency.
Superiority:
1, this instrument has been owing to adopted Highgrade integration circuit and module power amplifier and on-off circuit, So in light weight, volume is little, the reliability height.
2, the alternating current-direct current high pressure of the output of this instrument and frequency are continuously adjustable. And output current Stable.
3, exportable multiple HT waveform
4, owing to having adopted optocoupler and module switch series electrical, so the square wave peak-to-peak value of output Can reach 3000V, and have good rising front.
Claims (1)
1, a kind of frequency, voltage, the continuously adjustable multi-functional high and low pressure of waveform, power supply is characterized in that: comprise standard signal generator (1), continuous adjustable 0-3000V module switch DC converting booster circuit (2), waveform stimulus and power amplification circuit (3), optocoupler and module switch circuit (4), boost and protective circuit (5) composition; When the stable AC signal that one of standard signal generator (1) generation has cline frequency and amplitude is adjustable, waveform is variable, this signal divides two-way output, and the sinusoidal and sawtooth waveforms of one is exported high pressure by the protective circuit of boosting (5) after waveform stimulus and power amplification circuit (3) signal are exaggerated; The square wave that a standard is exported on another road can send signals to optocoupler and module switch circuit (4), the 0-3000V DC converting is become the square-wave voltage of 0-3000Vp-p.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94115559 CN1037647C (en) | 1994-09-14 | 1994-09-14 | Multifunctional high and low voltage power source having continuous adjustable frequency, voltage and waveshape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94115559 CN1037647C (en) | 1994-09-14 | 1994-09-14 | Multifunctional high and low voltage power source having continuous adjustable frequency, voltage and waveshape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1132419A true CN1132419A (en) | 1996-10-02 |
| CN1037647C CN1037647C (en) | 1998-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94115559 Expired - Fee Related CN1037647C (en) | 1994-09-14 | 1994-09-14 | Multifunctional high and low voltage power source having continuous adjustable frequency, voltage and waveshape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1037647C (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683974A (en) * | 2013-12-12 | 2014-03-26 | 安伏（苏州）电子有限公司 | All-digital control high-power alternating-current and direct-current converter |
| CN103941208A (en) * | 2014-03-31 | 2014-07-23 | 国家电网公司 | Method and device for calibrating high-voltage charged display |
| CN105241517A (en) * | 2015-11-20 | 2016-01-13 | 成都科瑞信科技有限责任公司 | Simple oil consumption tester based on temperature detecting and signal filtering |
| CN105277244A (en) * | 2015-11-20 | 2016-01-27 | 成都科瑞信科技有限责任公司 | Simple oil consumption tester based on phase-sensitive demodulation processing |
| CN105424117A (en) * | 2015-11-20 | 2016-03-23 | 成都科瑞信科技有限责任公司 | Pulse shaping type oil consumption tester based on temperature detection |
| CN105466508A (en) * | 2015-11-20 | 2016-04-06 | 成都科瑞信科技有限责任公司 | Simple oil consumption tester based on signal filtering processing |
| CN105466507A (en) * | 2015-11-20 | 2016-04-06 | 成都科瑞信科技有限责任公司 | Simple oil consumption tester |
| CN105486366A (en) * | 2015-11-20 | 2016-04-13 | 成都科瑞信科技有限责任公司 | Simple oil consumption tester based on pulse shaping |
| CN105486368A (en) * | 2015-11-20 | 2016-04-13 | 成都科瑞信科技有限责任公司 | Phase sensitive detecting type oil consumption tester based on temperature detection |
| CN105486367A (en) * | 2015-11-20 | 2016-04-13 | 成都科瑞信科技有限责任公司 | Simple oil consumption tester base on temperature detection |
| CN105515554A (en) * | 2015-11-27 | 2016-04-20 | 中国电力科学研究院 | Pulse power supply |
| CN105847685A (en) * | 2016-04-05 | 2016-08-10 | 北京玖柏图技术股份有限公司 | Single lens reflex controller capable of controlling single lens reflex through intelligent terminal APP |
| CN107589331A (en) * | 2017-10-16 | 2018-01-16 | 国网河南省电力公司新乡供电公司 | A kind of test device for relay protection |
| CN116232257A (en) * | 2023-03-15 | 2023-06-06 | 陕西炬脉瑞丰科技有限公司 | High-voltage waveform amplifying system and method |
-
1994
- 1994-09-14 CN CN 94115559 patent/CN1037647C/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683974A (en) * | 2013-12-12 | 2014-03-26 | 安伏（苏州）电子有限公司 | All-digital control high-power alternating-current and direct-current converter |
| CN103941208A (en) * | 2014-03-31 | 2014-07-23 | 国家电网公司 | Method and device for calibrating high-voltage charged display |
| CN103941208B (en) * | 2014-03-31 | 2017-01-18 | 国家电网公司 | Method and device for calibrating high-voltage charged display |
| CN105424117A (en) * | 2015-11-20 | 2016-03-23 | 成都科瑞信科技有限责任公司 | Pulse shaping type oil consumption tester based on temperature detection |
| CN105241517A (en) * | 2015-11-20 | 2016-01-13 | 成都科瑞信科技有限责任公司 | Simple oil consumption tester based on temperature detecting and signal filtering |
| CN105466508A (en) * | 2015-11-20 | 2016-04-06 | 成都科瑞信科技有限责任公司 | Simple oil consumption tester based on signal filtering processing |
| CN105466507A (en) * | 2015-11-20 | 2016-04-06 | 成都科瑞信科技有限责任公司 | Simple oil consumption tester |
| CN105486366A (en) * | 2015-11-20 | 2016-04-13 | 成都科瑞信科技有限责任公司 | Simple oil consumption tester based on pulse shaping |
| CN105486368A (en) * | 2015-11-20 | 2016-04-13 | 成都科瑞信科技有限责任公司 | Phase sensitive detecting type oil consumption tester based on temperature detection |
| CN105486367A (en) * | 2015-11-20 | 2016-04-13 | 成都科瑞信科技有限责任公司 | Simple oil consumption tester base on temperature detection |
| CN105277244A (en) * | 2015-11-20 | 2016-01-27 | 成都科瑞信科技有限责任公司 | Simple oil consumption tester based on phase-sensitive demodulation processing |
| CN105515554A (en) * | 2015-11-27 | 2016-04-20 | 中国电力科学研究院 | Pulse power supply |
| CN105515554B (en) * | 2015-11-27 | 2019-11-19 | 中国电力科学研究院 | A kind of pulse power |
| CN105847685A (en) * | 2016-04-05 | 2016-08-10 | 北京玖柏图技术股份有限公司 | Single lens reflex controller capable of controlling single lens reflex through intelligent terminal APP |
| CN107589331A (en) * | 2017-10-16 | 2018-01-16 | 国网河南省电力公司新乡供电公司 | A kind of test device for relay protection |
| CN107589331B (en) * | 2017-10-16 | 2024-04-05 | 国网河南省电力公司新乡供电公司 | Relay protection testing device |
| CN116232257A (en) * | 2023-03-15 | 2023-06-06 | 陕西炬脉瑞丰科技有限公司 | High-voltage waveform amplifying system and method |
| CN116232257B (en) * | 2023-03-15 | 2024-03-08 | 陕西炬脉瑞丰科技有限公司 | High-voltage waveform amplifying system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1037647C (en) | 1998-03-04 |
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