CN111510013B - Interference multi-pulse generation method - Google Patents
Interference multi-pulse generation method Download PDFInfo
- Publication number
- CN111510013B CN111510013B CN202010115145.1A CN202010115145A CN111510013B CN 111510013 B CN111510013 B CN 111510013B CN 202010115145 A CN202010115145 A CN 202010115145A CN 111510013 B CN111510013 B CN 111510013B
- Authority
- CN
- China
- Prior art keywords
- capacitor
- electronic switch
- switched
- time
- voltage
- 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.)
- Active
Links
Images
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
- H02M11/00—Power conversion systems not covered by the preceding groups
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
- H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Generation Of Surge Voltage And Current (AREA)
Abstract
The invention discloses an interference multi-pulse generation method, wherein a first electronic switch is arranged between a first capacitor and a second capacitor, a second electronic switch and an inductor which are connected in series are arranged between the second capacitor and a waveform generation main loop, and a first high-voltage power supply for charging the first capacitor is connected with the first capacitor in parallel; the first electronic switch is controlled to be switched on and off by a first control time sequence, and the second electronic switch is controlled to be switched on and off by a second control time sequence; the first electronic switch is switched off, the second electronic switch is switched on, the current electric quantity of the first capacitor is unchanged, and the second capacitor discharges the main circuit of the waveform generation to generate a first subsequent pulse waveform; the first electronic switch is turned on, and the second electronic switch is turned off. The invention realizes the output of more subsequent wave numbers of the equal-amplitude pulse meeting the standard requirement, reduces the volume and is convenient to install and fix.
Description
Technical Field
The invention relates to the technical field of electronic testing, in particular to an interference multi-pulse generation method.
Background
In the prior art, multi-pulse group output is realized by quickly charging a small loop capacitor through an energy storage capacitor with a large capacitance value, wherein the charging time is equal, and finally, the voltage of the energy storage capacitor is equal to the voltage of the loop capacitor.
Capacitance electric quantity formula Q = CU, total electric quantity Q at the beginninginit=C1*UinitThe first pulse U1= Q/(C1 + C2), the capacitance of the C1 energy storage capacitor C2 with large value is small relative to C1, U2= (Q-Q1)/(C1 + C2), the energy consumed by the first pulse Q1= C2 × U1 is small, the voltage drop of U2 is small, as shown in fig. 1, after the latter accumulated electric quantity is consumed by n pulses, the subsequent U2 consumes the following U2nThe voltage drops a lot and the situation occurs that the effective voltage required by the standard cannot be reached. In order to ensure that the voltage meets the standard effective error value when n pulses are output as far as possible, the capacitance value C1 of the energy storage capacitor is increased, and at the moment, Q is increasedinitWill improve to guarantee the nth pulse voltage to meet the standard, and purchase the large storage capacitor cost will be very high and the capacitance volume of the large capacity value is also very large, the fixed requirement of installation also improves, the pulse group' sThe voltage can also be seen to decrease gradually as the number increases.
Disclosure of Invention
The invention aims to provide an interference multi-pulse generating method which avoids the defect that the voltage of a pulse group is gradually reduced along with the increase of the number of pulses of the subsequent waveform voltage, adopts the capacitance value of a small capacitor, realizes the output of more subsequent wave numbers of pulses with equal amplitude meeting the standard requirement, reduces the volume, and is convenient to install and fix.
In order to achieve the purpose, the invention adopts the technical scheme that: an interference multi-pulse generation method comprises a first capacitor, a second capacitor and a waveform generation main loop which are sequentially arranged in parallel, wherein a first electronic switch is arranged between the first capacitor and the second capacitor, a second electronic switch and an inductor which are connected in series are arranged between the second capacitor and the waveform generation main loop, and a first high-voltage power supply used for charging the first capacitor is connected with the first capacitor in parallel;
the first electronic switch is controlled by a first control time sequence to be switched on and switched off, the second electronic switch is controlled by a second control time sequence to be switched on and switched off, and the time required for the first capacitor to charge the second capacitor to reach a steady state is a steady state time T0；
The method comprises the following steps:
step one, the first electronic switch is switched off, the second electronic switch is switched off, and the first high-voltage power supply charges the first capacitor to reach the voltage of U1 C1And the sum electric quantity is Q1C1；
Step two, the first electronic switch is switched on, the second electronic switch is switched off, and the first capacitor supplies the second capacitor with the electric energy through T1Charging time to make the voltage of the second capacitor be U1 C2，T1Does not exceed T0The time of (d);
step three, the first electronic switch is switched off, the second electronic switch is switched on, the current electric quantity of the first capacitor is unchanged, and the second capacitor discharges the main circuit of the waveform generation to generate a first subsequent pulse waveform;
step four, the first electronic switch is switched on, the second electronic switch is switched off, and the first capacitor supplies the second capacitorTwo capacitors pass through T2Charging time to make the voltage of the second capacitor be U2 C2，T2Time of greater than T1Not exceeding T0The time of (d);
step five, the first electronic switch is switched off, the second electronic switch is switched on, the current electric quantity of the first capacitor is unchanged, and the second capacitor discharges the main circuit of the waveform generation to generate a second subsequent pulse waveform;
the fourth step and the fifth step are sequentially repeated for N times, when the Nth step is repeated for the fourth step, the first electronic switch is switched on, the second electronic switch is switched off, and the first capacitor supplies the second capacitor with the electric energy through TnCharging time to make the voltage of the second capacitor be U2 Cn，TnTime of greater than Tn-1Time of not more than T0The time of (d);
when the Nth step five is repeated, the current electric quantity of the first capacitor is unchanged, the second capacitor discharges the waveform generation main loop, and the Nth subsequent pulse waveform is generated.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, the number of times of repeating the step four and the step five is not less than 10.
2. In the above scheme, the power supply further comprises a second high-voltage power supply for performing head-wave charging on a second capacitor, and the second high-voltage power supply is connected in parallel with the second capacitor.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the interference multi-pulse generation method avoids the defect that the voltage of a pulse group is gradually reduced along with the increase of the number of pulses of the subsequent waveform voltage, adopts the capacitance value of a small capacitor, realizes the output of more subsequent wave numbers of pulses with equal amplitude meeting the standard requirement, reduces the volume, and is convenient to install and fix; also, it further has TnTime relative last time Tn-1Slightly increased but not exceeding Tn-1The time of the pulse waveform is beneficial to further improving the amplitude of the subsequent pulse waveform maintenance and further improving the precision of the subsequent pulse.
Drawings
FIG. 1 is a waveform diagram generated by a prior art generator;
FIG. 2 is a schematic diagram of the structural principle of the generator of the present invention;
fig. 3 is a waveform diagram generated by the interference multi-pulse generation method of the present invention.
In the above drawings: 1. a first capacitor; 2. a second capacitor; 3. a waveform generation main loop; 4. a first electronic switch; 5. a second electronic switch; 6. an inductance; 7. a first high voltage power supply; 8. a second high voltage power supply.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1: an interference multi-pulse generation method comprises a first capacitor 1, a second capacitor 2 and a waveform generation main loop 3 which are sequentially arranged in parallel, wherein a first electronic switch 4 is arranged between the first capacitor 1 and the second capacitor 2, a second electronic switch 5 and an inductor 6 which are connected in series are arranged between the second capacitor 2 and the waveform generation main loop 3, and a first high-voltage power supply 7 used for charging the first capacitor 1 is connected with the first capacitor 1 in parallel;
the first electronic switch 4 is controlled by a first control time sequence to be switched on and switched off, the second electronic switch 5 is controlled by a second control time sequence to be switched on and switched off, and the time required for the first capacitor 1 to charge the second capacitor 2 to reach a steady state is the steady state time T0；
The method comprises the following steps:
step one, the first electronic switch 4 is switched off, the second electronic switch 5 is switched off, and the first high-voltage power supply 7 charges the first capacitor 1 to reach the voltage U1 C1And the quantity of electricity is Q1C1；
Step two, the first electronic switch 4 is switched on, the second electronic switch 5 is switched off, and the first capacitor 1 supplies the second capacitor 2 with the electric energy through T1The time charging makes the voltage of the second capacitor 2 be U1 C2，T1Does not exceed T0The time of (d);
step three, the first electronic switch 4 is switched off, the second electronic switch 5 is switched on, the electric quantity of the current first capacitor 1 is unchanged, and the second capacitor 2 discharges the waveform generation main loop to generate a first subsequent pulse waveform;
step four, the first electronic switch 4 is switched on, the second electronic switch 5 is switched off, and the first capacitor 1 supplies the second capacitor 2 with the electric energy through T2The time charging makes the voltage of the second capacitor 2 be U2 C2，T2Time of greater than T1Not exceeding T0The time of (d);
step five, the first electronic switch 4 is switched off, the second electronic switch 5 is switched on, the electric quantity of the current first capacitor 1 is unchanged, and the second capacitor 2 discharges the waveform generation main loop to generate a second subsequent pulse waveform;
the fourth step and the fifth step are sequentially repeated for N times, when the Nth step is repeated for the fourth step, the first electronic switch 4 is switched on, the second electronic switch 5 is switched off, and the first capacitor 1 supplies the second capacitor 2 with the electric energy through TnThe time charging makes the voltage of the second capacitor 2 be U2 Cn，T12Time of greater than T11Not exceeding T0The time of (d);
when the nth step is repeated, the current electric quantity of the first capacitor 1 is unchanged, and the second capacitor 2 discharges the waveform generation main loop to generate an nth subsequent pulse waveform.
And repeating the fourth step and the fifth step for 10 times.
The device also comprises a second high-voltage power supply 8 used for carrying out head wave charging on the second capacitor 2, and the second high-voltage power supply 8 is connected with the second capacitor 2 in parallel.
Example 2: an interference multi-pulse generation method comprises a first capacitor 1, a second capacitor 2 and a waveform generation main loop 3 which are sequentially arranged in parallel, wherein a first electronic switch 4 is arranged between the first capacitor 1 and the second capacitor 2, a second electronic switch 5 and an inductor 6 which are connected in series are arranged between the second capacitor 2 and the waveform generation main loop 3, and a first high-voltage power supply 7 used for charging the first capacitor 1 is connected with the first capacitor 1 in parallel;
the first electronic switch 4 is controlled by a first control time sequence to be switched on and switched off, the second electronic switch 5 is controlled by a second control time sequence to be switched on and switched off, and the time required for the first capacitor 1 to charge the second capacitor 2 to reach a steady state is the steady state time T0；
The method comprises the following steps:
step one, the first electronic switch 4 is switched off, the second electronic switch 5 is switched off, and the first high-voltage power supply 7 charges the first capacitor 1 to reach the voltage U1 C1And the sum electric quantity is Q1C1；
Step two, the first electronic switch 4 is switched on, the second electronic switch 5 is switched off, and the first capacitor 1 supplies the second capacitor 2 with the electric energy through T1The time charging makes the voltage of the second capacitor 2 be U1 C2，T1Time of less than T0The time of (d);
step three, the first electronic switch 4 is switched off, the second electronic switch 5 is switched on, the electric quantity of the current first capacitor 1 is unchanged, and the second capacitor 2 discharges the waveform generation main loop to generate a first subsequent pulse waveform;
step four, the first electronic switch 4 is switched on, the second electronic switch 5 is switched off, and the first capacitor 1 supplies the second capacitor 2 with the electric energy through T2Charging for a time such that the voltage of the second capacitor 2 is U2 C2，T2Time of greater than T1Not exceeding T0The time of (d);
step five, the first electronic switch 4 is switched off, the second electronic switch 5 is switched on, the electric quantity of the current first capacitor 1 is unchanged, and the second capacitor 2 discharges the waveform generation main loop to generate a second subsequent pulse waveform;
the fourth step and the fifth step are sequentially repeated for 14 times, when the Nth step is repeated for the fourth step, the first electronic switch 4 is switched on, the second electronic switch 5 is switched off, and the first capacitor 1 supplies the second capacitor 2 with the electric energy through TnThe time charging makes the voltage of the second capacitor 2 be U2 Cn，T16Time of greater than T15Not exceeding T0The time of (d);
when the nth step is repeated, the current electric quantity of the first capacitor 1 is unchanged, and the second capacitor 2 discharges the waveform generation main loop to generate an nth subsequent pulse waveform.
And repeating the fourth step and the fifth step 16 times.
The electronic switch of the invention is a waveform generating switch, the time sequences of the first electronic switch and the second electronic switch are staggered, the influence of the first capacitor C1 on the waveform is prevented, the conducting time of the first electronic switch determines the charging voltage of the second capacitor C2, the conducting time of the first electronic switch 1 is less than the time required by the charging to reach the steady state, and the time is the steady state time T0In addition, the conducting time of the first electronic switch 1 is prolonged along with the increase of the number of pulses, the starting conducting time is shorter, and the voltage of the second capacitor C2 is smaller than the voltage of the first capacitor C1 when the first electronic switch 1 is closed, so that the electric quantity of the first capacitor C1 is uniformly distributed to subsequent waves, and the problem of subsequent voltage degradation is solved.
When the interference multi-pulse generation method is adopted, the defect that the voltage of a pulse group is gradually reduced along with the increase of the number of pulses of subsequent waveform voltages is overcome, the output of more subsequent wave numbers of pulses with equal amplitude meeting the standard requirements is realized by adopting the capacitance value of a smaller capacitor, the volume is also reduced, and the installation and fixation are convenient; also, it further has TnTime relative last time Tn-1Slightly increased but not exceeding Tn-1The time is favorable for further improving the amplitude of the subsequent pulse waveform maintenance and further improving the subsequent pulseThe accuracy of the punch.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. A method of interference multi-pulse generation, comprising: comprises a first capacitor (1) and a second capacitor which are sequentially connected in parallel
The waveform generation circuit comprises a capacitor (2) and a waveform generation main loop (3), wherein a first electronic switch (4) is arranged between the first capacitor (1) and the second capacitor (2), a second electronic switch (5) and an inductor (6) which are connected in series are arranged between the second capacitor (2) and the waveform generation main loop (3), and a first high-voltage power supply (7) for charging the first capacitor (1) is connected with the first capacitor (1) in parallel; the first electronic switch (4) is controlled by a first control time sequence to be switched on and switched off, and the second electronic switch (5) is controlled by a second control time sequence
The on-off of the capacitor is controlled in a time sequence, and the time required for the first capacitor (1) to charge the second capacitor (2) to reach a steady state is the steady state time T0;
the interference multi-pulse generating method comprises the following steps:
the method comprises the following steps that firstly, a first electronic switch (4) is disconnected, a second electronic switch (5) is disconnected, and a first high-voltage power supply (7) charges a first capacitor (1) to reach the voltage of U1C 1 and the electric quantity of Q1C 1;
step two, the first electronic switch (4) is switched on, the second electronic switch (5) is switched off, the first capacitor (1) charges the second capacitor (2) for T1 time, the voltage of the second capacitor (2) is U1C 2, and the time of T1 does not exceed the time of T0;
step three, the first electronic switch (4) is switched off, the second electronic switch (5) is switched on, the electric quantity of the first capacitor (1) is unchanged, and the second capacitor (2) discharges the waveform generation main loop to generate a first subsequent pulse waveform;
step four, the first electronic switch (4) is turned on, the second electronic switch (5) is turned off, the first capacitor (1) charges the second capacitor (2) for T2 time, so that the voltage of the second capacitor (2) is U2C 2, and the time of T2 is longer than the time of T1 and is not longer than the time of T0;
step five, the first electronic switch (4) is switched off, the second electronic switch (5) is switched on, the electric quantity of the first capacitor (1) is unchanged, and the second capacitor (2) discharges the waveform generation main loop to generate a second subsequent pulse waveform;
the fourth step and the fifth step are sequentially repeated for N times, when the fourth step of the Nth time is repeated, the first electronic switch (4) is switched on, the second electronic switch (5) is switched off, the first capacitor (1) charges the second capacitor (2) for Tn time, so that the voltage of the second capacitor (2) is U2 Cn, and the Tn time is longer than the Tn-1 time and is not longer than the T0 time; when the Nth step five is repeated, the electric quantity of the first capacitor (1) is not changed, the second capacitor (2) discharges the waveform generation main loop, and the Nth subsequent pulse waveform is generated.
2. Method of interference multi-pulse generation according to claim 1, characterized in that: the number of times of repeating the step four and the step five is not less than 10 times.
3. Method of interference multi-pulse generation according to claim 1, characterized in that: the device also comprises a second high-voltage power supply (8) used for charging the second capacitor (2) in a first wave mode, and the second high-voltage power supply (8) is connected with the second capacitor (2) in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010115145.1A CN111510013B (en) | 2020-02-25 | 2020-02-25 | Interference multi-pulse generation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010115145.1A CN111510013B (en) | 2020-02-25 | 2020-02-25 | Interference multi-pulse generation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111510013A CN111510013A (en) | 2020-08-07 |
| CN111510013B true CN111510013B (en) | 2022-05-10 |
Family
ID=71874034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010115145.1A Active CN111510013B (en) | 2020-02-25 | 2020-02-25 | Interference multi-pulse generation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111510013B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001320886A (en) * | 2000-05-09 | 2001-11-16 | Sumitomo Heavy Ind Ltd | Pulse discharge circuit |
| CN102315841A (en) * | 2011-09-01 | 2012-01-11 | 上海电力学院 | Electrical fast transient burst discharge switch driver circuit |
| CN102480100A (en) * | 2010-11-29 | 2012-05-30 | 中国科学院大连化学物理研究所 | Laser discharge device for pulse oxygen-iodine chemical laser device |
| JP2016100680A (en) * | 2014-11-19 | 2016-05-30 | ニチコン株式会社 | Pulse power supply device |
-
2020
- 2020-02-25 CN CN202010115145.1A patent/CN111510013B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001320886A (en) * | 2000-05-09 | 2001-11-16 | Sumitomo Heavy Ind Ltd | Pulse discharge circuit |
| CN102480100A (en) * | 2010-11-29 | 2012-05-30 | 中国科学院大连化学物理研究所 | Laser discharge device for pulse oxygen-iodine chemical laser device |
| CN102315841A (en) * | 2011-09-01 | 2012-01-11 | 上海电力学院 | Electrical fast transient burst discharge switch driver circuit |
| JP2016100680A (en) * | 2014-11-19 | 2016-05-30 | ニチコン株式会社 | Pulse power supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111510013A (en) | 2020-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Baek et al. | Solid state Marx generator using series-connected IGBTs | |
| Yuanmao et al. | Zero-current switching switched-capacitor zero-voltage-gap automatic equalization system for series battery string | |
| US9647464B2 (en) | Low noise power sources for portable electronic systems | |
| CN103999347B (en) | Impulse voltage generation device | |
| CN103888015B (en) | High density high energy electric pulse generating means for Ageing Treatment | |
| CN111510014B (en) | High-voltage pulse generating circuit | |
| CN108711907A (en) | A kind of high-power charge-discharge circuit | |
| Gupta et al. | Optimizing the performance of Triple Input DC-DC converter in an Integrated System | |
| CN111510013B (en) | Interference multi-pulse generation method | |
| CN214256137U (en) | Low-power-consumption hybrid dual-output DC-DC converter | |
| CN210490731U (en) | High step-up ratio DC conversion device | |
| CN203164242U (en) | Current waveform generation device | |
| CN210347724U (en) | Multi-waveform lightning generator | |
| CN111294021B (en) | Airplane airborne fast pulse group test generator | |
| CN204538976U (en) | Realize 1/2 nthe variable stage switching capacity type AC-AC converter of no-load voltage ratio | |
| Chen et al. | An improved control strategy for the charge equalization of lithium ion battery | |
| CN101263748B (en) | Electric fence energiser output energy control | |
| CN217789541U (en) | Power supply circuit and power supply device | |
| CN104779808A (en) | Variable switch capacitive type AC-AC convertor achieving 1/2 n no-load voltage ratio | |
| CN112532212A (en) | Pulse generating circuit, pulse generating device and method | |
| Zarkov et al. | Theoretical and experimental study of interleaved non-inverting buck-boost converter for RES | |
| CN110557025A (en) | Multi-port bidirectional DC-DC converter suitable for direct-current micro-grid | |
| CN221669555U (en) | High-voltage lightning surge generator | |
| Liu et al. | Research on symmetrical switched capacitor multilevel AC-AC converter | |
| McGee et al. | Powering solid state radar T/R module arrays from a fuel cell using an isolated Cuk converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |