CN112636612A - Circuit topological structure of charger power module applied to plasma and micro-arc oxidation power supply - Google Patents
Circuit topological structure of charger power module applied to plasma and micro-arc oxidation power supply Download PDFInfo
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- 238000010521 absorption reaction Methods 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 10
- 230000005404 monopole Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 abstract description 6
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
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Abstract
The invention belongs to the technical innovation field of power supplies, and discloses a novel circuit topological structure of a charger power supply module applied to a plasma torch power supply and a micro-arc oxidation power supply of a discrete component topological structure. Aiming at the inverter power supply with the existing discrete element topological structure: the power supply has the advantages of large volume, large heat productivity, complex circuit installation and debugging, difficult control of power grid pollution, high energy consumption, high technical requirement difficulty, difficult batch production, high single-machine price and the like, the problem that the defects are large more than the power output is solved, and the following scheme is proposed: the method comprises the steps of directly replacing power frequency input and power frequency rectification of a plasma torch power supply and a micro-arc oxidation power supply by a charger power supply module; high-frequency inversion, high-frequency high-power isolation transformer and high-frequency rectification part. The charger power module used by the invention has the following advantages: the device has the advantages of small volume, high power factor, high effective power, air cooling and heat dissipation, high integration, capacity of replacing the number of automatic identification modules and automatically equalizing the current, convenient use by external control, and dozens of charging modules available for a single power supply.
Description
Technical Field
The invention relates to the technical innovation field of power supplies, in particular to a circuit topological structure of a charger power supply module applied to a plasma torch power supply and a micro-arc oxidation power supply.
Background
The topological structures of the existing high-power plasma torch and the micro-arc oxidation power supply are basically discrete element structures. Discrete component plasma torch power supply topology: the power frequency rectifying circuit comprises a power frequency rectifying circuit, a filtering circuit, a power factor adjusting circuit (PFC), a high-frequency inverter, a high-frequency high-power isolation transformer, a high-frequency rectifying and filtering circuit, a high-frequency high-voltage blocking circuit, a high-voltage arc striking circuit, an automatic transfer arc circuit and the like. The topological structure of the discrete element micro-arc oxidation power supply comprises: the power frequency rectification circuit comprises a power frequency rectification circuit, a filtering circuit, a power factor correction circuit (PFC), a high-frequency inversion circuit, a high-frequency high-power isolation transformer, a high-frequency rectification filtering circuit, a high-power switching tube chopping output circuit and the like. The topological structure enables the power supply to be large in size (the number of elements and the variety are various), heavy in weight, large in heat productivity (the switching elements generally adopt water cooling heat dissipation), complex in circuit (fully discrete element assembly), not easy to control pollution to a power grid (the power factor is not higher by 80-90%), large in energy consumption (the effective power is not higher by 80-90%), large in manufacturing threshold difficulty, not easy to produce in batch, high in single machine price, and more serious in the problem of scaling and more serious in power supply output power, so that a novel circuit topological structure of the charger power supply module applied to the plasma torch and the micro-arc oxidation power supply is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems that the power supply has large volume, heavy weight, large heat productivity, complex circuit, difficult control of power grid pollution, large energy consumption, large difficulty in manufacturing threshold, difficult batch production, high single machine price and larger power supply output power due to the existing discrete element topological structure, and provides a novel circuit topological structure of a charger power supply module applied to a plasma torch power supply and a micro-arc oxidation power supply.
In order to achieve the purpose, the invention adopts the following technical scheme:
a charger power module is applied to a circuit topological structure of a plasma torch power and comprises a charger power module; a high frequency filtering loop; a high pressure barrier circuit; a high-voltage arc striking loop; automatic arc turning and connecting loop; the ignition protection circuit comprises a singlechip microcomputer master control loop, wherein the input end of a charger power module is connected with a three-phase five-wire alternating current input, the positive electrode output end of the charger power module is electrically connected with one end of a high-frequency filter inductor L1, the other end of the high-frequency filter inductor L1 is electrically connected with one end of a high-voltage blocking inductor L2 and the positive electrodes of three high-frequency filter capacitors, the negative electrodes of the three high-frequency filter capacitors are respectively electrically connected with one ends of three ignition-proof inductors, one end of a first ignition-proof inductor in the three ignition-proof inductors is electrically connected with the negative electrode output end of the charger power module, the other end of the first ignition-proof inductor in the three ignition-proof inductors is electrically connected with one end of a second ignition-proof inductor, the other end of the second ignition-proof inductor in the three ignition-proof inductors is electrically connected with one end of a third ignition-proof inductor, and the other end of the high-voltage arc-striking loop in the three ignition-proof The other end electric connection of high pressure blocks inductance L2 has the one end of three positive poles of generator and striking current-limiting resistance, the one end and the other end of striking current-limiting resistance are connected with the one end of two direct current contactor respectively, and the other end electric connection of the direct current contactor who is connected with the striking current-limiting resistance other end among two direct current contactor has a generator positive pole, and the other end electric connection of another direct current contactor has two generator positive poles, the positive pole and the generator positive pole electric connection in high pressure striking return circuit.
A charger power module is applied to the circuit topological structure of the micro-arc oxidation power supply of positive and negative phase pulse output, including charging the positive and negative phase motor power module; a positive and negative phase high frequency filter circuit; a positive and negative phase electrolytic capacitor bank; a positive-phase and negative-phase high-power igbt chopper tube; positive and negative phase sparking prevention inductors; a positive and negative phase RCD absorption loop and a freewheeling loop; and the input end of the charger power supply module is connected with a three-phase five-wire alternating current input. A charger power module is applied to the circuit topological structure of the micro-arc oxidation power supply of positive and negative phase pulse output, including: the input end of the positive and negative phase pulse charger power supply module (1) is electrically connected with a singlechip general control circuit (11), the positive output end of the positive phase pulse charger power supply module (1) is electrically connected with one end of a positive phase high frequency filter inductor AL1 (2), the other end of the positive phase high frequency filter inductor AL1 (2) is connected with a positive phase high frequency filter capacitor (4), the positive end of an electrolytic capacitor group (5) and the input end of a positive phase IGBT high power chopping tube (6) in a penetrating way after a positive phase current transformer A-LEM1 (3), the output end of the positive phase IGBT chopping tube (6) is connected with one end of a positive phase anti-ignition inductor AL2(10) in a penetrating way after a positive phase current transformer A-LEM2 (8), a positive phase RCD absorption loop (7) is connected with the input end and the output end of the IGBT positive phase chopping tube (6) in parallel, the other end of the positive phase anti-ignition inductor AL2(10) is electrically connected with a, the follow current loop (12) is connected in parallel with the input end and the output end of the anti-ignition inductor AL2(10), and the negative output end of the power module (1) of the normal-phase pulse charger is electrically connected with the normal-phase high-frequency filter capacitor (4), the negative end of the electrolytic capacitor set (5) and the main power output end (9) B; the negative phase pulse charger comprises a negative phase pulse charger power module (1), a negative phase high-frequency filter inductor BL1 (2) and a power main output end (9), wherein the positive output end of the negative phase high-frequency filter inductor BL1 (2) is electrically connected with one end of a negative phase high-frequency filter inductor BL1 (2) after being connected with a negative phase current transformer B-LEM1 (3) in a penetrating manner, the positive end of an electrolytic capacitor bank (5) is electrically connected with the negative phase high-frequency filter capacitor (4), the negative end of the electrolytic capacitor bank (5) and the output end of a negative phase high-power IGBT chopper tube (6), the input end of the negative phase IGBT chopper tube (6) is electrically connected with one end of an anti-ignition inductor BL2(10), a negative phase RCD absorption loop (7) is connected in parallel with the input end and the output end of the negative phase IGBT chopper tube (6), the other end of the negative phase anti-ignition inductor BL2(10) is electrically connected with the power main output end of the power main power supply (9) after being connected with a current transformer B-LEM2 (8 ) A, a negative phase follow current loop (12) is connected in parallel with the input end and the output end of a negative phase sparking prevention inductor BL2 (10).
A charger power module is applied to a circuit topological structure of a micro-arc oxidation power supply with unipolar normal-phase pulse output, and comprises the charger power module; a high frequency filtering loop; an electrolytic capacitor bank; a high-power igbt chopper tube; an ignition prevention inductor; an RCD absorption loop and an efficiency loop; and the input end of the charger power supply module is connected with a three-phase five-wire alternating current input. A charger power module is applied to the circuit topological structure of the micro-arc oxidation power supply of the monopole positive phase pulse output, including: the input end of the power module (1) of the single-pole normal-phase pulse charger is electrically connected with a singlechip general control circuit (11), the positive output end of the power module (1) of the single-pole normal-phase pulse charger is electrically connected with one end of a high-frequency filter inductor AL1 (2), the other end of the high-frequency filter inductor AL1 (2) is electrically connected with a high-frequency filter capacitor (4), the positive end of an electrolytic capacitor group (5) and the input end of a high-power IGBT chopping tube (6) after being connected with a current transformer A-LEM1 (3) in a penetrating manner, the output end of the IGBT chopping tube (6) is electrically connected with one end of an anti-ignition inductor AL2(10) after being connected with the current transformer A-LEM2 (8) in a penetrating manner, an RCD absorption loop (7) is connected with the input end and the output end of the IGBT chopping tube (6) in parallel, the other end of the anti-ignition inductor AL2(10) is electrically connected with a power supply main output end (9) A, and, And the negative electrode output end of the power supply module (1) of the unipolar normal-phase pulse charger is electrically connected with the high-frequency filter capacitor (4), the negative end of the electrolytic capacitor group (5) and the power supply total output end (9) B. The circuit can be copied and combined into a super-power (megawatt level) single-pole positive phase pulse output micro-arc oxidation power supply.
According to the invention, the charger power supply module is combined with the existing plasma and micro-arc oxidation power supply in a discrete component topological structure, so that the existing scaling of the plasma torch and the micro-arc oxidation power supply in the existing discrete component topological structure is successfully solved;
in the invention, the charger power supply module is applied to the circuit topological structure of the plasma and micro-arc oxidation power supply, and the plasma and micro-arc oxidation power supply taking the charger power supply module as the core has the following advantages: the volume and the weight are reduced by more than one third; the energy consumption is reduced by 5 to 10 percent (the effective power is increased by 90 to 95 percent); the pollution to the power grid is reduced by 5-4% (the power factor is 90-98%); the air cooling mode is basically realized (full air cooling heat dissipation of the plasma power supply is realized, and full air cooling heat dissipation is also realized except for a chopping output loop of the high-power micro-arc oxidation power supply); the power supply design redundancy is large (dozens of module combinations can be realized); the collocation is more flexible, the control loop (secondary line) is simple (debugging is basically avoided, and the work can be carried out after the installation is finished); the damage of one or two charger power supply modules does not influence the work of the whole machine, and the online replacement can be realized (the charger power supply damage module is replaced when the power supply works normally); the charger power module is easy for mass production, low in cost and reliable in quality.
The invention has reasonable design, the charger power module directly replaces the power frequency input, high frequency rectification, high frequency inversion, high frequency high power isolation transformer and high frequency rectification part of the plasma torch power supply and the micro-arc oxidation power supply which are formed by discrete elements, and the invention has the characteristics of more optimized circuit structure, higher power efficiency and more convenient production and use.
Drawings
Fig. 1 is a schematic circuit connection diagram of a new circuit topology structure of a charger power module applied to a plasma torch power supply according to the present invention;
FIG. 2 is a schematic circuit connection diagram of a new topology structure of a micro-arc oxidation power supply with a charger power module applied to positive and negative phase pulse output according to the present invention;
fig. 3 is a schematic circuit connection diagram of a new topology structure of a micro-arc oxidation power supply with a charger power module applied to unipolar forward pulse output according to the present invention.
In fig. 1: 1. a charger power module; 2. a high-frequency filter inductance L1; 3. a high voltage blocking inductance L2; 4. a high-frequency filter capacitor; 5. an ignition prevention inductor; 6. a high-voltage arc striking loop; 7. an arc striking current limiting resistor; 8. a DC contactor; 9. and the singlechip controls the module circuit.
In fig. 2: 1. a positive and negative phase charger power module; 2. a positive-negative phase high-frequency filter inductor L1; 3. a positive and negative phase current transformer LEM 1; 4. a positive and negative phase high-frequency filter capacitor; 5. a positive and negative phase electrolytic capacitor bank capacitor; 6. a positive and negative phase high-power IGBT chopper tube; 7. positive and negative phase RCD — IGBT snubber loop; 8. a positive and negative phase current transformer LEM 2; 9. a power supply main output terminal (A/B); 10. positive and negative phase sparking prevention inductors; 11. a single chip microcomputer control module circuit; 12. and a positive and negative phase sparking prevention inductor follow current loop.
In fig. 3: 1. a charger power module; 2. a high-frequency filter inductance L1; 3. a current transformer LEM 1; 4. a high-frequency filter capacitor; 5. an electrolytic capacitor bank capacitor; 6. a high-power IGBT chopper tube; 7. RCD — IGBT snubber loop; 8. a current transformer LEM 2; 9. a power supply main output terminal (A/B); 10. an ignition prevention inductor; 11. a single chip microcomputer control module circuit; 12. prevent striking sparks inductance afterflow return circuit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, a circuit topology structure of a charger power module applied to a plasma torch and a micro-arc oxidation power supply comprises a charger power module 1 and a high-voltage arc striking loop 6, wherein an input end of the charger power module 1 is electrically connected with a singlechip general control circuit 9, an anode output end of the charger power module 1 is electrically connected with one end of a high-frequency filter inductor L1 (2), the other end of the high-frequency filter inductor L1 (2) is electrically connected with one end of a high-voltage blocking inductor L2 (3) and anodes of three high-frequency filter capacitors 4, cathodes of the three high-frequency filter capacitors 4 are respectively electrically connected with one ends of three ignition-preventing inductors 5, one end of a first ignition-preventing inductor 5 in the three ignition-preventing inductors 5 is electrically connected with a cathode output end of the charger power module 1, the other end of the first ignition-preventing inductor 5 in the three ignition-preventing inductors 5 is electrically connected with one end of a second ignition-preventing inductor 5, the other end of the second anti-ignition inductor 5 in the anti-ignition inductor 5 is electrically connected with one end of the third anti-ignition inductor 5, the other end of the third anti-ignition inductor 5 in the three anti-ignition inductors 5 and the negative electrode of the high-voltage arc striking loop 6 are both electrically connected with a generator cathode, the other end of the high-voltage blocking inductor L2 (3) is electrically connected with a generator three anode and one end of an arc striking current-limiting resistor 7, one end and the other end of the arc striking current-limiting resistor 7 are respectively connected with one ends of two direct current contactors 8, the other end of the direct current contactor 8 connected with the other end of the arc striking current-limiting resistor 7 in the two direct current contactors 8 is electrically connected with a generator one anode, the other end of the other direct current contactor 8 is electrically connected with a generator two anodes, and the anode of the high-voltage arc striking loop 6 is electrically connected with.
In the embodiment, the high-voltage blocking prevention loop is formed by a high-voltage blocking inductor L2 (3), a high-frequency filter capacitor 4 and an ignition prevention inductor 5; the high-voltage arc striking loop 6, the arc striking current limiting resistor 7 and the direct current contactor 8 form an arc striking and switching arc circuit.
Referring to fig. 2, a circuit topology structure of a micro-arc oxidation power supply with a charger power module applied to positive and negative phase pulse output includes: the input end of the positive and negative phase pulse charger power supply module (1) is electrically connected with a singlechip general control circuit (11), the positive output end of the positive phase pulse charger power supply module (1) is electrically connected with one end of a positive phase high frequency filter inductor AL1 (2), the other end of the positive phase high frequency filter inductor AL1 (2) is connected with a positive phase high frequency filter capacitor (4), the positive end of an electrolytic capacitor group (5) and the input end of a positive phase IGBT high power chopping tube (6) in a penetrating way after a positive phase current transformer A-LEM1 (3), the output end of the positive phase IGBT chopping tube (6) is connected with one end of a positive phase anti-ignition inductor AL2(10) in a penetrating way after a positive phase current transformer A-LEM2 (8), a positive phase RCD absorption loop (7) is connected with the input end and the output end of the IGBT positive phase chopping tube (6) in parallel, the other end of the positive phase anti-ignition inductor AL2(10) is electrically connected with a, the follow current loop (12) is connected in parallel with the input end and the output end of the anti-ignition inductor AL2(10), and the negative output end of the power module (1) of the normal-phase pulse charger is electrically connected with the normal-phase high-frequency filter capacitor (4), the negative end of the electrolytic capacitor set (5) and the main power output end (9) B; the negative phase pulse charger comprises a negative phase pulse charger power module (1), a negative phase high-frequency filter inductor BL1 (2) and a power main output end (9), wherein the positive output end of the negative phase high-frequency filter inductor BL1 (2) is electrically connected with one end of a negative phase high-frequency filter inductor BL1 (2) after being connected with a negative phase current transformer B-LEM1 (3) in a penetrating manner, the positive end of an electrolytic capacitor bank (5) is electrically connected with the negative phase high-frequency filter capacitor (4), the negative end of the electrolytic capacitor bank (5) and the output end of a negative phase high-power IGBT chopper tube (6), the input end of the negative phase IGBT chopper tube (6) is electrically connected with one end of an anti-ignition inductor BL2(10), a negative phase RCD absorption loop (7) is connected in parallel with the input end and the output end of the negative phase IGBT chopper tube (6), the other end of the negative phase anti-ignition inductor BL2(10) is electrically connected with the power main output end of the power main power supply (9) after being connected with a current transformer B-LEM2 (8 ) A, a negative phase follow current loop (12) is connected in parallel with the input end and the output end of a negative phase sparking prevention inductor BL2 (10).
Referring to fig. 3, a circuit topology structure of a micro-arc oxidation power supply with a charger power module applied to unipolar positive-phase pulse output includes: the input end of the power module (1) of the single-pole normal-phase pulse charger is electrically connected with a singlechip general control circuit (11), the positive output end of the power module (1) of the single-pole normal-phase pulse charger is electrically connected with one end of a high-frequency filter inductor AL1 (2), the other end of the high-frequency filter inductor AL1 (2) is electrically connected with a high-frequency filter capacitor (4), the positive end of an electrolytic capacitor group (5) and the input end of a high-power IGBT chopping tube (6) after being connected with a current transformer A-LEM1 (3) in a penetrating manner, the output end of the IGBT chopping tube (6) is electrically connected with one end of an anti-ignition inductor AL2(10) after being connected with the current transformer A-LEM2 (8) in a penetrating manner, an RCD absorption loop (7) is connected with the input end and the output end of the IGBT chopping tube (6) in parallel, the other end of the anti-ignition inductor AL2(10) is electrically connected with a power supply main output end (9) A, and, And the negative electrode output end of the power supply module (1) of the unipolar normal-phase pulse charger is electrically connected with the high-frequency filter capacitor (4), the negative end of the electrolytic capacitor group (5) and the power supply total output end (9) B. The circuit can be copied and combined into a super-power (megawatt level) single-pole positive phase pulse output micro-arc oxidation power supply.
The charger power supply module is combined with the existing plasma and micro-arc oxidation power supply in a discrete component topological structure, so that the existing problem of the existing plasma and micro-arc oxidation power supply in the discrete component topological structure is successfully solved; the charger power module is a full digital control power supply with wide power supply, various input modes (single-phase alternating current, three-phase alternating current and direct current), high power factor, high power density, low text wave coefficient, high output power, high isolation and high reliability; the charger power module can replace: all the circuits before the high-frequency high-voltage blocking circuit (not included) in the plasma power topology of the discrete element topology structure; all loops before a high-frequency rectifying and filtering loop (including) in a micro-arc oxidation power supply topology of a discrete element topology structure; the charger power module is small in size (300 × 500 × 90 in width), light in weight (about 10kg of single machine) and small in single machine power (more than 10 kw), and is convenient to combine and use, and under the condition of the same output power, two topological structures are compared, and a plasma and micro-arc oxidation power supply taking the charger power module as a main body has the following advantages: the volume and the weight are reduced by more than one third; the energy consumption is reduced by 5 to 10 percent (the effective power is increased by 90 to 95 percent); the pollution to the power grid is reduced by 5-4% (the power factor is 90-98%); the air cooling mode is basically realized (full air cooling heat dissipation of the plasma power supply, and full air cooling heat dissipation is also realized except for a chopping output loop of the micro-arc oxidation power supply); the power supply design redundancy is large (dozens of module combinations can be realized); the collocation is more flexible, the control is simple (the debugging-free installation can be basically realized for work); the damage of one or two modules does not affect the work of the whole machine, and the modules can be replaced on line (the damaged modules are replaced when the power supply works normally); the module is easy to produce in batches, the cost is low, and the quality is reliable; and the greater the power supply, the greater this advantage.
In the embodiment, the charger power supply module directly replaces power frequency input, high-frequency rectification, high-frequency inversion (an inversion main loop formed by an IGBT (insulated gate bipolar transistor) or other power switching tubes), a high-frequency high-power isolation transformer and a high-frequency rectification part of a plasma and micro-arc oxidation power supply, so that the topological structure of the existing discrete component plasma and micro-arc oxidation power supply is changed; the method is more optimized, has higher efficiency and is more convenient to produce and use; can provide high-quality equipment service for environmental protection, metallurgy, material preparation, surface treatment, aerospace and transportation (high-speed rail and new energy automobile).
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The utility model provides a circuit topology structure that charger power module is applied to plasma torch power, includes charger power module (1), its characterized in that: the input end of the charger power module (1) is electrically connected with a singlechip general control circuit (9), the positive output end of the charger power module (1) is electrically connected with one end of a high-frequency filter inductor L1 (2), the other end of the high-frequency filter inductor L1 (2) is electrically connected with one end of a high-voltage blocking inductor L2 (3) and the positive ends of three high-frequency filter capacitors (4), the negative ends of the three high-frequency filter capacitors (4) are respectively electrically connected with one ends of three ignition-proof inductors (5), one end of a first ignition-proof inductor (5) in the three ignition-proof inductors (5) is electrically connected with the negative output end of the charger power module (1), the other end of the first ignition-proof inductor (5) in the three ignition-proof inductors (5) is electrically connected with one end of a second ignition-proof inductor (5), and the other end of the second ignition-proof inductor (5) in the three ignition-proof inductors (5) The other end of the third anti-ignition inductor (5) in the three anti-ignition inductors (5) and the negative electrode of the high-voltage arc striking loop (6) are electrically connected with a generator cathode, the other end of the high-voltage blocking inductor L2 (3) is electrically connected with the three positive electrodes of the generator and one end of the arc striking current-limiting resistor (7), one end and the other end of the arc striking current-limiting resistor (7) are respectively connected with one ends of two direct current contactors (8), the other end of the direct current contactor (8) connected with the other end of the arc striking current-limiting resistor (7) in the two direct current contactors (8) is electrically connected with a first positive electrode of the generator, the other end of the other direct current contactor (8) is electrically connected with a second positive electrode of the generator, and the positive electrode of the high-voltage arc striking loop (6) is electrically connected with a first positive electrode of the generator.
2. The utility model provides a circuit topological structure that charger power module is applied to positive negative pulse output's micro arc oxidation power, includes positive negative pulse charger power module (1), its characterized in that: the input end of the positive and negative phase pulse charger power supply module (1) is electrically connected with a singlechip general control circuit (11), the positive output end of the positive phase pulse charger power supply module (1) is electrically connected with one end of a positive phase high frequency filter inductor AL1 (2), the other end of the positive phase high frequency filter inductor AL1 (2) is connected with a positive phase high frequency filter capacitor (4), the positive end of an electrolytic capacitor group (5) and the input end of a positive phase IGBT high power chopping tube (6) in a penetrating way after a positive phase current transformer A-LEM1 (3), the output end of the positive phase IGBT chopping tube (6) is connected with one end of a positive phase anti-ignition inductor AL2(10) in a penetrating way after a positive phase current transformer A-LEM2 (8), a positive phase RCD absorption loop (7) is connected with the input end and the output end of the IGBT positive phase chopping tube (6) in parallel, the other end of the positive phase anti-ignition inductor AL2(10) is electrically connected with a, the follow current loop (12) is connected in parallel with the input end and the output end of the anti-ignition inductor AL2(10), and the negative output end of the power module (1) of the normal-phase pulse charger is electrically connected with the normal-phase high-frequency filter capacitor (4), the negative end of the electrolytic capacitor set (5) and the main power output end (9) B; the negative phase pulse charger comprises a negative phase pulse charger power module (1), a negative phase high-frequency filter inductor BL1 (2) and a power main output end (9), wherein the positive output end of the negative phase high-frequency filter inductor BL1 (2) is electrically connected with one end of a negative phase high-frequency filter inductor BL1 (2) after being connected with a negative phase current transformer B-LEM1 (3) in a penetrating manner, the positive end of an electrolytic capacitor bank (5) is electrically connected with the negative phase high-frequency filter capacitor (4), the negative end of the electrolytic capacitor bank (5) and the output end of a negative phase high-power IGBT chopper tube (6), the input end of the negative phase IGBT chopper tube (6) is electrically connected with one end of an anti-ignition inductor BL2(10), a negative phase RCD absorption loop (7) is connected in parallel with the input end and the output end of the negative phase IGBT chopper tube (6), the other end of the negative phase anti-ignition inductor BL2(10) is electrically connected with the power main output end of the power main power supply (9) after being connected with a current transformer B-LEM2 (8 ) A, a negative phase follow current loop (12) is connected in parallel with the input end and the output end of a negative phase sparking prevention inductor BL2 (10).
3. The utility model provides a charger power module is applied to circuit topological structure of monopole normal phase pulse output's micro arc oxidation power, includes monopole normal phase pulse charger power module (1), its characterized in that: the input end of the power module (1) of the single-pole normal-phase pulse charger is electrically connected with a singlechip general control circuit (11), the positive output end of the power module (1) of the single-pole normal-phase pulse charger is electrically connected with one end of a high-frequency filter inductor AL1 (2), the other end of the high-frequency filter inductor AL1 (2) is electrically connected with a high-frequency filter capacitor (4), the positive end of an electrolytic capacitor group (5) and the input end of a high-power IGBT chopping tube (6) after being connected with a current transformer A-LEM1 (3) in a penetrating manner, the output end of the IGBT chopping tube (6) is electrically connected with one end of an anti-ignition inductor AL2(10) after being connected with the current transformer A-LEM2 (8) in a penetrating manner, an RCD absorption loop (7) is connected with the input end and the output end of the IGBT chopping tube (6) in parallel, the other end of the anti-ignition inductor AL2(10) is electrically connected with a power supply main output end (9) A, and, The output end of the negative electrode output end of the power supply module (1) of the unipolar positive-phase pulse charger is electrically connected with the high-frequency filter capacitor (4), the negative end of the electrolytic capacitor group (5) and the power supply total output end (9) B, and the circuit can be copied and combined into a super-high-power (megawatt-level) unipolar positive-phase pulse output micro-arc oxidation power supply in multiple groups.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910902990.0A CN112636612A (en) | 2019-09-24 | 2019-09-24 | Circuit topological structure of charger power module applied to plasma and micro-arc oxidation power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114070119A (en) * | 2022-01-13 | 2022-02-18 | 成都通用整流电器研究所 | Space-based aviation aircraft air orbit-transfer push-emission plasma power supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114070119A (en) * | 2022-01-13 | 2022-02-18 | 成都通用整流电器研究所 | Space-based aviation aircraft air orbit-transfer push-emission plasma power supply |
| CN114070119B (en) * | 2022-01-13 | 2022-03-25 | 成都通用整流电器研究所 | Space-based aviation aircraft air orbit-transfer push-emission plasma power supply |
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