CN203688609U - Large current pulse generator - Google Patents
Large current pulse generator Download PDFInfo
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- CN203688609U CN203688609U CN201320882926.9U CN201320882926U CN203688609U CN 203688609 U CN203688609 U CN 203688609U CN 201320882926 U CN201320882926 U CN 201320882926U CN 203688609 U CN203688609 U CN 203688609U
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Abstract
The utility model discloses a large current pulse generator which includes an ARM micro controller module, a lithium battery, a voltage conversion circuit module, a flyback switching power supply circuit module and a large current pulse discharge circuit module, wherein the ARM micro controller module is internally integrated with an A / D converter. The large current pulse discharge circuit module is composed of a capacitor bank discharge circuit, a resistor network circuit, and a discharge switching circuit which are connected in sequence; an input end of the ARM micro controller module is connected with a key operating circuit module; an output end of the ARM controller module is connected with an LCD display circuit module, a micro printer and a power supply drive circuit module; an output end of the flyback switching power supply circuit module is connected with a sampling signal conditioning circuit module; and the sampling signal conditioning circuit module is connected with the A / D converter and the ARM micro controller module. The large current pulse generator is small in size and easy to carry, can be applied to the electronic current transformer polarity test in order to reduce the labor intensity of workers, and can avoid the potential risk existing in the operation.
Description
Technical field
The utility model relates to a kind of pulse generating unit, and especially relating to a kind ofly provides the heavy current pulse generating means of 150A～500A pulse high current for electronic current mutual inductor primary side.
Background technology
Along with the popularization day by day of electronic current mutual inductor, also more and more higher to detecting the equipment requirement of its polarity.While detection, need a large current source to pass into pulse current to the primary side of mutual inductor.In practice, different model mutual inductor primary side rated current scope be 50A to 3000A, thereby, the controllability in heavy current pulse source has been proposed to higher requirement.Due to the scope of actual electronic current mutual inductor primary side rated current mostly at 600A to 2000A, and need to be at least its rated current 1/4th to the electric current of electronic current mutual inductor primary side access conventionally while carrying out polarity test.So large current source at least needs to provide the adjustable current of 150A to 500A.
Because the no-load voltage ratio of electronic current mutual inductor is higher, in prior art at detected electrons formula current transformer polarity chron, need to be equipped with three-phase supply and the special equipment that boosts, so that produce the transient high-current that is loaded into mutual inductor primary side, also to be equipped with in addition voltage table, reometer etc., also need 3～5 people to cooperate simultaneously and just can complete test, staff's labour intensity is large, there is potential danger in operation, and the volume of autotransformer is large, carries inconvenience.Replacing three-phase supply and the equipment of boosting with heavy current pulse generator is that this device is easy to carry, easy to operate key, but, in prior art, also there is no the heavy current pulse generating means that can be applied to the detection of electronic current mutual inductor polarity simple in structure, reasonable in design, functional reliability is high.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of heavy current pulse generating means is provided, and it is simple in structure, reasonable in design, volume is little, easy to carry, be applied in the labour intensity that can reduce staff in the polarity test of electronic current mutual inductor, avoid staff to operate the potential danger of existence, electric current and voltage output accuracy is high, practical, applied range, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of heavy current pulse generating means, it is characterized in that: comprise that inside is integrated with the ARM micro controller module of A/D converter, for the lithium battery of each electricity consumption module for power supply in device with join with the output terminal of lithium battery and for being the voltage conversion circuit module of the each electricity consumption module of device required voltage by the voltage transitions of lithium battery output, and reverse exciting switching voltage regulator circuit module and the high current pulsed discharge circuit module that joins with the output terminal of reverse exciting switching voltage regulator circuit module, described high current pulsed discharge circuit module is by the capacitor set discharge circuit joining successively, resistor network circuit and discharge switching circuit composition, the output terminal of described discharge switching circuit and ARM micro controller module joins, the input end of described ARM micro controller module is connected to button operation circuit module, the output terminal of described ARM micro controller module is connected to LCD display circuit module, mini-printer and for driving the power driving circuit module of reverse exciting switching voltage regulator circuit module, the output terminal of described reverse exciting switching voltage regulator circuit module and power driving circuit module joins, the output terminal of described reverse exciting switching voltage regulator circuit module is connected to sampled signal conditioning circuit module, the input end of the output terminal of described sampled signal conditioning circuit module and the input end of A/D converter and ARM micro controller module all joins, described large electric current is 150A～500A.
Above-mentioned a kind of heavy current pulse generating means; it is characterized in that: the output terminal of described lithium battery is connected to battery voltage detection circuit module; the input end of described battery voltage detection circuit module and ARM micro controller module joins; the output terminal of described ARM micro controller module is connected to under-voltage protecting circuit module, and described under-voltage protecting circuit module is connected between described lithium battery and the input end of described reverse exciting switching voltage regulator circuit module.
Above-mentioned a kind of heavy current pulse generating means, is characterized in that: described ARM micro controller module is mainly made up of ARM microcontroller chip STM32F103VE.
Above-mentioned a kind of heavy current pulse generating means, is characterized in that: described reverse exciting switching voltage regulator circuit module comprises transformer T1, metal-oxide-semiconductor Q1, inductance L 1, nonpolar capacitor C 1, C2 and C3, diode D2 and D3, and resistance R 1 and R2; one end of one end of one end of the first siding ring of described transformer T1 and described resistance R 1 and nonpolar capacitor C 1 joins and is the input end Vin of described reverse exciting switching voltage regulator circuit module, the other end of the other end of described resistance R 1 and nonpolar capacitor C 1 all joins with the negative electrode of described diode D3, the drain electrode of the anode of the other end of the first siding ring of described transformer T1 and described diode D3 and metal-oxide-semiconductor Q1 is joined, the output terminal PWM of the grid of described metal-oxide-semiconductor Q1 and power driving circuit module joins, the source ground of described metal-oxide-semiconductor Q1, the anode of one end of one end of the second siding ring of described transformer T1 and described nonpolar capacitor C 2 and diode D2 joins, one end of the other end of described nonpolar capacitor C 2 and resistance R 2 joins, the other end of the negative electrode of described diode D2 and resistance R 2 all joins with one end of described inductance L 1, one end of the other end of described inductance L 1 and nonpolar capacitor C 3 joins and is the output end vo of described reverse exciting switching voltage regulator circuit module, the equal ground connection of the other end of the other end of the second siding ring of described transformer T1 and nonpolar capacitor C 3.
Above-mentioned a kind of heavy current pulse generating means, is characterized in that: described power driving circuit module comprises chip MIC4427, chip TPS2812, nonpolar capacitor C 12, metal-oxide-semiconductor Q3 and Q4, diode D1, D6, D7 and D8, resistance R 11, R12, R14, R18, R30, R31, R32, R32*, R33, R33*, R35, R36, RS1, RS2 and RS3, the VS pin of described chip MIC4427 and described voltage conversion circuit module+12V voltage output end joins, the GND pin ground connection of described chip MIC4427, the INA pin of described chip MIC4427 and one end of resistance R 12 join, the INB pin of described chip MIC4427 and one end of resistance R 14 join, the other end of the other end of described resistance R 12 and resistance R 14 all joins with one end of resistance R 11 and one end of resistance R 18, and join with the output terminal PWM1 of ARM micro controller module, the equal ground connection of the other end of the other end of described resistance R 11 and resistance R 18, the OUTA pin of described chip MIC4427 and OUTB pin all with the negative electrode of diode D1, the negative electrode of diode D6, one end of one end of resistance R 30 and resistance R 31 joins, the other end of the anode of described diode D1 and resistance R 30 all joins with the 1IN pin of described chip TPS2812, the other end of the anode of described diode D6 and resistance R 31 all joins with the 2IN pin of described chip TPS2812, the GND pin ground connection of described chip TPS2812, the VCC pin of described chip TPS2812 and described voltage conversion circuit module+12V voltage output end joins and by nonpolar capacitor C 12 ground connection, the 1OUT pin of described chip TPS2812 and the negative electrode of diode D7, one end of one end of resistance R 33 and resistance R 33* joins, the anode of described diode D7, the other end of the other end of resistance R 33 and resistance R 33* all joins with one end of resistance R 35 and the grid of metal-oxide-semiconductor Q3, the 2OUT pin of described chip TPS2812 and the negative electrode of diode D8, one end of one end of resistance R 32 and resistance R 32* joins, the anode of described diode D8, the other end of the other end of resistance R 32 and resistance R 32* all joins with one end of resistance R 36 and the grid of metal-oxide-semiconductor Q4, the drain electrode of the drain electrode of described metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4 is joined and is the output terminal PWM of described power driving circuit module, the other end of described resistance R 35, the source electrode of metal-oxide-semiconductor Q3, the source electrode of the other end of resistance R 36 and metal-oxide-semiconductor Q4 all with one end of described resistance R S1, one end of one end of resistance R S2 and resistance R S3 joins, the other end of described resistance R S1, the equal ground connection of the other end of the other end of resistance R S2 and resistance R S3.
Above-mentioned a kind of heavy current pulse generating means, it is characterized in that: described sampled signal conditioning circuit module comprises comparer chip LM393, operational amplifier chip LM358, diode D5, polar capacitor C25, nonpolar capacitor C 22, C23 and C24, and resistance R 200, R25, R26, R50 and R51; one end of the anode of described diode D5 and resistance R 26 joins and is the input end U-IN of described sampled signal conditioning circuit module, one end of the negative electrode of described diode D5 and nonpolar capacitor C 22, one end of the positive pole of polar capacitor C25 and resistance R 25 joins, the equal ground connection of negative pole of the other end of described nonpolar capacitor C 22 and polar capacitor C25, the other end of described resistance R 26, one end of one end of resistance R 51 and nonpolar capacitor C 24 all joins with the reverse input end of described comparer chip LM393 and the input end in the same way of operational amplifier chip LM358, the other end of described resistance R 25, one end of one end of resistance R 50 and nonpolar capacitor C 23 all joins with the input end in the same way of described comparer chip LM393, the other end of described resistance R 51, the other end of nonpolar capacitor C 24, the equal ground connection of the other end of the other end of resistance R 50 and nonpolar capacitor C 23, the power end of the power end of described comparer chip LM393 and operational amplifier chip LM358 all with described voltage conversion circuit module+5V voltage output end joins, the equal ground connection of earth terminal of the earth terminal of described comparer chip LM393 and operational amplifier chip LM358, the output terminal of described comparer chip LM393 and the input end S2 of ARM micro controller module joins and by resistance R 200 and described voltage conversion circuit module+5V voltage output end joins, the output terminal of the reverse input end of described operational amplifier chip LM358 and described operational amplifier chip LM358 joins, the output terminal of described operational amplifier chip LM358 is the output terminal S1 of described sampled signal conditioning circuit module and joins with the input end of A/D converter.
The utility model compared with prior art has the following advantages:
1, the utility model has adopted modular design, and circuit structure is simple, reasonable in design, easy-to-connect.
2, volume of the present utility model is little, easy to carry, the primary side that employing the utility model is electronic current mutual inductor provides the large electric current of 150A～500A, make the polarity test of electronic current mutual inductor convenient, can reduce staff's labour intensity, avoid staff to operate the potential danger of existence.
3, electric current and voltage output accuracy of the present utility model is high, contributes to improve the reliability of electronic current mutual inductor polarity test.
4, the utility model not only can be applied in the polarity test of electronic current mutual inductor, can also be applied in other and have the occasion of heavy current pulse, and practical, applied range, is convenient to promote the use of.
In sum, the utility model circuit structure is simple, reasonable in design, volume is little, easy to carry, be applied in the labour intensity that can reduce staff in the polarity test of electronic current mutual inductor, avoided staff to operate the potential danger of existence, electric current and voltage output accuracy is high, practical, applied range, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is the circuit theory diagrams of the utility model reverse exciting switching voltage regulator circuit module.
Fig. 3 is the circuit theory diagrams of the utility model power driving circuit module.
Fig. 4 is the circuit theory diagrams of the utility model sampled signal conditioning circuit module.
Description of reference numerals:
1-ARM micro controller module; 1-1-A/D converter; 2-lithium battery;
3-voltage conversion circuit module; 4-reverse exciting switching voltage regulator circuit module;
5-high current pulsed discharge circuit module; 5-1-capacitor set discharge circuit;
5-2-resistor network circuit; 5-3-discharge switching circuit; 6-button operation circuit module;
7-LCD display circuit module; 8-mini-printer; 9-power driving circuit module;
10-sampled signal conditioning circuit module; 11-battery voltage detection circuit module;
12-under-voltage protecting circuit module.
Embodiment
As shown in Figure 1, the utility model comprises that inside is integrated with the ARM micro controller module 1 of A/D converter 1-1, for the lithium battery 2 of each electricity consumption module for power supply in device with join with the output terminal of lithium battery 2 and be the voltage conversion circuit module 3 of the each electricity consumption module of device required voltage for the voltage transitions that lithium battery 2 is exported, and reverse exciting switching voltage regulator circuit module 4 and the high current pulsed discharge circuit module 5 that joins with the output terminal of reverse exciting switching voltage regulator circuit module 4, described high current pulsed discharge circuit module 5 is by the capacitor set discharge circuit 5-1 joining successively, resistor network circuit 5-2 and discharge switching circuit 5-3 composition, the output terminal of described discharge switching circuit 5-3 and ARM micro controller module 1 joins, the input end of described ARM micro controller module 1 is connected to button operation circuit module 6, the output terminal of described ARM micro controller module 1 is connected to LCD display circuit module 7, mini-printer 8 and for driving the power driving circuit module 9 of reverse exciting switching voltage regulator circuit module 4, described reverse exciting switching voltage regulator circuit module 4 joins with the output terminal of power driving circuit module 9, the output terminal of described reverse exciting switching voltage regulator circuit module 4 is connected to sampled signal conditioning circuit module 10, the input end of the input end of the output terminal of described sampled signal conditioning circuit module 10 and A/D converter 1-1 and ARM micro controller module 1 all joins, described large electric current is 150A～500A.
As shown in Figure 1; in the present embodiment; the output terminal of described lithium battery 2 is connected to battery voltage detection circuit module 11; described battery voltage detection circuit module 11 is joined with the input end of ARM micro controller module 1; the output terminal of described ARM micro controller module 1 is connected to under-voltage protecting circuit module 12, and described under-voltage protecting circuit module 12 is connected between described lithium battery 2 and the input end of described reverse exciting switching voltage regulator circuit module 4.
In the present embodiment, described ARM micro controller module 1 is mainly made up of ARM microcontroller chip STM32F103VE.
As shown in Figure 2, in the present embodiment, described reverse exciting switching voltage regulator circuit module 4 comprises transformer T1, metal-oxide-semiconductor Q1, inductance L 1, nonpolar capacitor C 1, C2 and C3, diode D2 and D3, and resistance R 1 and R2; one end of one end of one end of the first siding ring of described transformer T1 and described resistance R 1 and nonpolar capacitor C 1 joins and is the input end Vin of described reverse exciting switching voltage regulator circuit module 4, the other end of the other end of described resistance R 1 and nonpolar capacitor C 1 all joins with the negative electrode of described diode D3, the drain electrode of the anode of the other end of the first siding ring of described transformer T1 and described diode D3 and metal-oxide-semiconductor Q1 is joined, the output terminal PWM of the grid of described metal-oxide-semiconductor Q1 and power driving circuit module 9 joins, the source ground of described metal-oxide-semiconductor Q1, the anode of one end of one end of the second siding ring of described transformer T1 and described nonpolar capacitor C 2 and diode D2 joins, one end of the other end of described nonpolar capacitor C 2 and resistance R 2 joins, the other end of the negative electrode of described diode D2 and resistance R 2 all joins with one end of described inductance L 1, one end of the other end of described inductance L 1 and nonpolar capacitor C 3 joins and is the output end vo of described reverse exciting switching voltage regulator circuit module 4, the equal ground connection of the other end of the other end of the second siding ring of described transformer T1 and nonpolar capacitor C 3.Wherein, resistance R 1, nonpolar capacitor C 1 and diode D3 have formed the RCD buffer circuit of first siding ring one side of transformer T1, resistance R 2, nonpolar capacitor C 2 and diode D2 have formed the RCD buffer circuit of second siding ring one side of transformer T1, can guarantee the safe and reliable work of described reverse exciting switching voltage regulator circuit module 4.
As shown in Figure 3, in the present embodiment, described power driving circuit module 9 comprises chip MIC4427, chip TPS2812, nonpolar capacitor C 12, metal-oxide-semiconductor Q3 and Q4, diode D1, D6, D7 and D8, resistance R 11, R12, R14, R18, R30, R31, R32, R32*, R33, R33*, R35, R36, RS1, RS2 and RS3, the VS pin of described chip MIC4427 and described voltage conversion circuit module 3+12V voltage output end joins, the GND pin ground connection of described chip MIC4427, the INA pin of described chip MIC4427 and one end of resistance R 12 join, the INB pin of described chip MIC4427 and one end of resistance R 14 join, the other end of the other end of described resistance R 12 and resistance R 14 all joins with one end of resistance R 11 and one end of resistance R 18, and join with the output terminal PWM1 of ARM micro controller module 1, the equal ground connection of the other end of the other end of described resistance R 11 and resistance R 18, the OUTA pin of described chip MIC4427 and OUTB pin all with the negative electrode of diode D1, the negative electrode of diode D6, one end of one end of resistance R 30 and resistance R 31 joins, the other end of the anode of described diode D1 and resistance R 30 all joins with the 1IN pin of described chip TPS2812, the other end of the anode of described diode D6 and resistance R 31 all joins with the 2IN pin of described chip TPS2812, the GND pin ground connection of described chip TPS2812, the VCC pin of described chip TPS2812 and described voltage conversion circuit module 3+12V voltage output end joins and by nonpolar capacitor C 12 ground connection, the 1OUT pin of described chip TPS2812 and the negative electrode of diode D7, one end of one end of resistance R 33 and resistance R 33* joins, the anode of described diode D7, the other end of the other end of resistance R 33 and resistance R 33* all joins with one end of resistance R 35 and the grid of metal-oxide-semiconductor Q3, the 2OUT pin of described chip TPS2812 and the negative electrode of diode D8, one end of one end of resistance R 32 and resistance R 32* joins, the anode of described diode D8, the other end of the other end of resistance R 32 and resistance R 32* all joins with one end of resistance R 36 and the grid of metal-oxide-semiconductor Q4, the drain electrode of the drain electrode of described metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4 is joined and is the output terminal PWM of described power driving circuit module 9, the other end of described resistance R 35, the source electrode of metal-oxide-semiconductor Q3, the source electrode of the other end of resistance R 36 and metal-oxide-semiconductor Q4 all with one end of described resistance R S1, one end of one end of resistance R S2 and resistance R S3 joins, the other end of described resistance R S1, the equal ground connection of the other end of the other end of resistance R S2 and resistance R S3.The signal that ARM micro controller module 1 is exported improves after voltage through chip MIC4427, then improves drive current through chip TPS2812, comes driven MOS pipe Q3 and Q4, makes metal-oxide-semiconductor Q3 and Q4 turn-on and turn-off faster.
As shown in Figure 4, in the present embodiment, described sampled signal conditioning circuit module 10 comprises comparer chip LM393, operational amplifier chip LM358, diode D5, polar capacitor C25, nonpolar capacitor C 22, C23 and C24, and resistance R 200, R25, R26, R50 and R51; one end of the anode of described diode D5 and resistance R 26 joins and is the input end U-IN of described sampled signal conditioning circuit module 10, one end of the negative electrode of described diode D5 and nonpolar capacitor C 22, one end of the positive pole of polar capacitor C25 and resistance R 25 joins, the equal ground connection of negative pole of the other end of described nonpolar capacitor C 22 and polar capacitor C25, the other end of described resistance R 26, one end of one end of resistance R 51 and nonpolar capacitor C 24 all joins with the reverse input end of described comparer chip LM393 and the input end in the same way of operational amplifier chip LM358, the other end of described resistance R 25, one end of one end of resistance R 50 and nonpolar capacitor C 23 all joins with the input end in the same way of described comparer chip LM393, the other end of described resistance R 51, the other end of nonpolar capacitor C 24, the equal ground connection of the other end of the other end of resistance R 50 and nonpolar capacitor C 23, the power end of the power end of described comparer chip LM393 and operational amplifier chip LM358 all with described voltage conversion circuit module 3+5V voltage output end joins, the equal ground connection of earth terminal of the earth terminal of described comparer chip LM393 and operational amplifier chip LM358, the output terminal of described comparer chip LM393 and the input end S2 of ARM micro controller module 1 joins and by resistance R 200 and described voltage conversion circuit module 3+5V voltage output end joins, the output terminal of the reverse input end of described operational amplifier chip LM358 and described operational amplifier chip LM358 joins, the output terminal of described operational amplifier chip LM358 is the output terminal S1 of described sampled signal conditioning circuit module 10 and joins with the input end of A/D converter 1-1.The input end U-IN of described sampled signal conditioning circuit module 10 and the output terminal of described reverse exciting switching voltage regulator circuit module 4 join, the voltage that described reverse exciting switching voltage regulator circuit module 4 is exported before diode D5 directly by resistance R 26 and resistance R 51 dividing potential drops and join with the reverse input end of comparer chip LM393, after diode D5 and on polar capacitor C25, again by resistance R 25 and resistance R 50 dividing potential drops and join with the positive input of comparer chip LM393, form discharge trigger circuit, in the time that capacitor set discharge circuit 5-1 starts to discharge, the reverse input end voltage of comparer chip LM393 declines rapidly, and the positive input voltage of comparer chip LM393 keeps the high voltage of a period of time under the effect of polar capacitor C25, the output terminal of comparer chip LM393 output high level, trigger the external interrupt of described ARM micro controller module 1, ARM micro controller module 1 starts to preserve the data after A/D converter 1-1 carries out A/D conversion, nonpolar capacitor C 22 and C23, for filtering, reduce the impact of large electric current on discharge trigger circuit, operational amplifier chip LM358 and nonpolar capacitor C 24 have formed voltage follower, the voltage that described reverse exciting switching voltage regulator circuit module 4 is exported is after resistance R 26 and resistance R 51 dividing potential drops, make voltage within 0～3.3V, then the Voltage-output of reverse exciting switching voltage regulator circuit module 4 being exported through voltage follower is to the A/D converter 1-1 in ARM micro controller module 1.
Principle of work of the present utility model and the course of work are: described ARM micro controller module 1 drives reverse exciting switching voltage regulator circuit module 4 to export the constant voltage of 100V, 150V, 200V and tetra-gears of 250V by power driving circuit module 9, for capacitor set discharge circuit, 5-1 provides high-precision power supply, and after resistor network circuit 5-2 and discharge switching circuit 5-3, export successively, described ARM micro controller module 1 is controlled discharge switching circuit 5-3, for the primary side of electronic current mutual inductor provides the large electric current of 150A～500A; The voltage that sampled signal conditioning circuit module 10 is exported reverse exciting switching voltage regulator circuit module 4 carries out exporting to A/D converter 1-1 after filtering conditioning and carries out after A/D conversion, ARM micro controller module 1 carries out fine adjustment according to the signal after A/D converter 1-1 carries out A/D conversion to the output voltage of reverse exciting switching voltage regulator circuit module 4, LCD display circuit module 7 can show output voltage and electric current, and mini-printer 8 can printout voltage and current.
In the above course of work, battery voltage detection circuit module 11 detects in real time the voltage of lithium battery 2 and detected signal is exported to ARM micro controller module 1, the detectable voltage signals that ARM micro controller module 1 is received and under-voltage voltage threshold compare, in the time that detectable voltage signals is less than under-voltage voltage threshold, illustrate that lithium battery 2 is under-voltage, now, ARM micro controller module 1 is by controlling under-voltage protecting circuit module 12, disconnect the current supply circuit that lithium battery 2 is powered for described reverse exciting switching voltage regulator circuit module 4, reach the object of protection reverse exciting switching voltage regulator circuit module 4.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (6)
1. a heavy current pulse generating means, it is characterized in that: comprise that inside is integrated with the ARM micro controller module (1) of A/D converter (1-1), for the lithium battery (2) of each electricity consumption module for power supply in device with join with the output terminal of lithium battery (2) and for being the voltage conversion circuit module (3) of the each electricity consumption module of device required voltage by the voltage transitions of lithium battery (2) output, and reverse exciting switching voltage regulator circuit module (4) and the high current pulsed discharge circuit module (5) that joins with the output terminal of reverse exciting switching voltage regulator circuit module (4), described high current pulsed discharge circuit module (5) is by the capacitor set discharge circuit (5-1) joining successively, resistor network circuit (5-2) and discharge switching circuit (5-3) composition, described discharge switching circuit (5-3) joins with the output terminal of ARM micro controller module (1), the input end of described ARM micro controller module (1) is connected to button operation circuit module (6), the output terminal of described ARM micro controller module (1) is connected to LCD display circuit module (7), mini-printer (8) and for driving the power driving circuit module (9) of reverse exciting switching voltage regulator circuit module (4), described reverse exciting switching voltage regulator circuit module (4) joins with the output terminal of power driving circuit module (9), the output terminal of described reverse exciting switching voltage regulator circuit module (4) is connected to sampled signal conditioning circuit module (10), the input end of the input end of the output terminal of described sampled signal conditioning circuit module (10) and A/D converter (1-1) and ARM micro controller module (1) all joins, described large electric current is 150A～500A.
2. according to a kind of heavy current pulse generating means claimed in claim 1; it is characterized in that: the output terminal of described lithium battery (2) is connected to battery voltage detection circuit module (11); described battery voltage detection circuit module (11) is joined with the input end of ARM micro controller module (1); the output terminal of described ARM micro controller module (1) is connected to under-voltage protecting circuit module (12), and described under-voltage protecting circuit module (12) is connected between described lithium battery (2) and the input end of described reverse exciting switching voltage regulator circuit module (4).
3. according to a kind of heavy current pulse generating means described in claim 1 or 2, it is characterized in that: described ARM micro controller module (1) is mainly made up of ARM microcontroller chip STM32F103VE.
4. according to a kind of heavy current pulse generating means described in claim 1 or 2, it is characterized in that: described reverse exciting switching voltage regulator circuit module (4) comprises transformer T1, metal-oxide-semiconductor Q1, inductance L 1, nonpolar capacitor C 1, C2 and C3, diode D2 and D3, and resistance R 1 and R2; one end of one end of one end of the first siding ring of described transformer T1 and described resistance R 1 and nonpolar capacitor C 1 joins and is the input end Vin of described reverse exciting switching voltage regulator circuit module (4), the other end of the other end of described resistance R 1 and nonpolar capacitor C 1 all joins with the negative electrode of described diode D3, the drain electrode of the anode of the other end of the first siding ring of described transformer T1 and described diode D3 and metal-oxide-semiconductor Q1 is joined, the output terminal PWM of the grid of described metal-oxide-semiconductor Q1 and power driving circuit module (9) joins, the source ground of described metal-oxide-semiconductor Q1, the anode of one end of one end of the second siding ring of described transformer T1 and described nonpolar capacitor C 2 and diode D2 joins, one end of the other end of described nonpolar capacitor C 2 and resistance R 2 joins, the other end of the negative electrode of described diode D2 and resistance R 2 all joins with one end of described inductance L 1, one end of the other end of described inductance L 1 and nonpolar capacitor C 3 joins and is the output end vo of described reverse exciting switching voltage regulator circuit module (4), the equal ground connection of the other end of the other end of the second siding ring of described transformer T1 and nonpolar capacitor C 3.
5. according to a kind of heavy current pulse generating means described in claim 1 or 2, it is characterized in that: described power driving circuit module (9) comprises chip MIC4427, chip TPS2812, nonpolar capacitor C 12, metal-oxide-semiconductor Q3 and Q4, diode D1, D6, D7 and D8, resistance R 11, R12, R14, R18, R30, R31, R32, R32*, R33, R33*, R35, R36, RS1, RS2 and RS3, the VS pin of described chip MIC4427 and described voltage conversion circuit module (3)+12V voltage output end joins, the GND pin ground connection of described chip MIC4427, the INA pin of described chip MIC4427 and one end of resistance R 12 join, the INB pin of described chip MIC4427 and one end of resistance R 14 join, the other end of the other end of described resistance R 12 and resistance R 14 all joins with one end of resistance R 11 and one end of resistance R 18, and join with the output terminal PWM1 of ARM micro controller module (1), the equal ground connection of the other end of the other end of described resistance R 11 and resistance R 18, the OUTA pin of described chip MIC4427 and OUTB pin all with the negative electrode of diode D1, the negative electrode of diode D6, one end of one end of resistance R 30 and resistance R 31 joins, the other end of the anode of described diode D1 and resistance R 30 all joins with the 1IN pin of described chip TPS2812, the other end of the anode of described diode D6 and resistance R 31 all joins with the 2IN pin of described chip TPS2812, the GND pin ground connection of described chip TPS2812, the VCC pin of described chip TPS2812 and described voltage conversion circuit module (3)+12V voltage output end joins and by nonpolar capacitor C 12 ground connection, the 1OUT pin of described chip TPS2812 and the negative electrode of diode D7, one end of one end of resistance R 33 and resistance R 33* joins, the anode of described diode D7, the other end of the other end of resistance R 33 and resistance R 33* all joins with one end of resistance R 35 and the grid of metal-oxide-semiconductor Q3, the 2OUT pin of described chip TPS2812 and the negative electrode of diode D8, one end of one end of resistance R 32 and resistance R 32* joins, the anode of described diode D8, the other end of the other end of resistance R 32 and resistance R 32* all joins with one end of resistance R 36 and the grid of metal-oxide-semiconductor Q4, the drain electrode of the drain electrode of described metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4 is joined and is the output terminal PWM of described power driving circuit module (9), the other end of described resistance R 35, the source electrode of metal-oxide-semiconductor Q3, the source electrode of the other end of resistance R 36 and metal-oxide-semiconductor Q4 all with one end of described resistance R S1, one end of one end of resistance R S2 and resistance R S3 joins, the other end of described resistance R S1, the equal ground connection of the other end of the other end of resistance R S2 and resistance R S3.
6. according to a kind of heavy current pulse generating means described in claim 1 or 2, it is characterized in that: described sampled signal conditioning circuit module (10) comprises comparer chip LM393, operational amplifier chip LM358, diode D5, polar capacitor C25, nonpolar capacitor C 22, C23 and C24, and resistance R 200, R25, R26, R50 and R51; one end of the anode of described diode D5 and resistance R 26 joins and is the input end U-IN of described sampled signal conditioning circuit module (10), one end of the negative electrode of described diode D5 and nonpolar capacitor C 22, one end of the positive pole of polar capacitor C25 and resistance R 25 joins, the equal ground connection of negative pole of the other end of described nonpolar capacitor C 22 and polar capacitor C25, the other end of described resistance R 26, one end of one end of resistance R 51 and nonpolar capacitor C 24 all joins with the reverse input end of described comparer chip LM393 and the input end in the same way of operational amplifier chip LM358, the other end of described resistance R 25, one end of one end of resistance R 50 and nonpolar capacitor C 23 all joins with the input end in the same way of described comparer chip LM393, the other end of described resistance R 51, the other end of nonpolar capacitor C 24, the equal ground connection of the other end of the other end of resistance R 50 and nonpolar capacitor C 23, the power end of the power end of described comparer chip LM393 and operational amplifier chip LM358 all with described voltage conversion circuit module (3)+5V voltage output end joins, the equal ground connection of earth terminal of the earth terminal of described comparer chip LM393 and operational amplifier chip LM358, the input end S2 of the output terminal of described comparer chip LM393 and ARM micro controller module (1) join and by resistance R 200 and described voltage conversion circuit module (3)+5V voltage output end joins, the output terminal of described operational amplifier chip LM358 is the output terminal S1 of described sampled signal conditioning circuit module (10) and joins with the input end of A/D converter (1-1).
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| CN201320882926.9U CN203688609U (en) | 2013-12-29 | 2013-12-29 | Large current pulse generator |
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| CN201320882926.9U CN203688609U (en) | 2013-12-29 | 2013-12-29 | Large current pulse generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844864A (en) * | 2018-06-27 | 2018-11-20 | 苏州汉策能源设备有限公司 | A kind of preceding scattering dust measurement instrument sample gas pond photoelectric detective circuit |
| CN109142963A (en) * | 2018-06-05 | 2019-01-04 | 广西电网有限责任公司桂林供电局 | A kind of shorted-turn fault positioning system and method |
-
2013
- 2013-12-29 CN CN201320882926.9U patent/CN203688609U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142963A (en) * | 2018-06-05 | 2019-01-04 | 广西电网有限责任公司桂林供电局 | A kind of shorted-turn fault positioning system and method |
| CN109142963B (en) * | 2018-06-05 | 2020-09-29 | 广西电网有限责任公司桂林供电局 | Interturn short circuit fault positioning system and method |
| CN108844864A (en) * | 2018-06-27 | 2018-11-20 | 苏州汉策能源设备有限公司 | A kind of preceding scattering dust measurement instrument sample gas pond photoelectric detective circuit |
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