CN117292945A - Disc-shaped series-parallel capacitor for power monopulse generation - Google Patents

Disc-shaped series-parallel capacitor for power monopulse generation Download PDF

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Publication number
CN117292945A
CN117292945A CN202311251801.0A CN202311251801A CN117292945A CN 117292945 A CN117292945 A CN 117292945A CN 202311251801 A CN202311251801 A CN 202311251801A CN 117292945 A CN117292945 A CN 117292945A
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CN
China
Prior art keywords
series
capacitor
disc
shaped
parallel
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.)
Pending
Application number
CN202311251801.0A
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Chinese (zh)
Inventor
王宇飞
代明香
王军评
毛勇建
严侠
张义文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Engineering Research Institute China Academy of Engineering Physics
Original Assignee
General Engineering Research Institute China Academy of Engineering Physics
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by General Engineering Research Institute China Academy of Engineering Physics filed Critical General Engineering Research Institute China Academy of Engineering Physics
Priority to CN202311251801.0A priority Critical patent/CN117292945A/en
Publication of CN117292945A publication Critical patent/CN117292945A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/33—Thin- or thick-film capacitors 
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/38—Multiple capacitors, i.e. structural combinations of fixed capacitors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

The invention discloses a disc-shaped series-parallel capacitor for generating a power monopulse, which comprises a disc-shaped PCB circuit board, two series-parallel capacitor groups, a capacitor equivalent positive electrode and a plurality of capacitor equivalent negative electrodes; the capacitor is wired through a disc-shaped PCB circuit board; the equivalent positive electrode of the capacitor is arranged on a disc-shaped PCB circuit board at the center of the series-parallel capacitor bank; the equivalent cathodes of the capacitors are uniformly arranged outside the series-parallel capacitor group and are arranged on the disc-shaped PCB circuit board; according to the invention, the disc-shaped PCB circuit board is used for arranging the plurality of thin film capacitors in series-parallel connection at intervals in the radial direction on the front and back sides to form the capacitor for generating the power monopulse, so that the physical conductive paths from each group of thin film capacitors connected in series to the equivalent positive electrode are equal, the large-area round copper plating is used for replacing wiring, the discharge capacity is greatly improved, the discharge ablation phenomenon inside each group of series capacitors is effectively prevented, and the service life of the capacitor is greatly prolonged.

Description

Disc-shaped series-parallel capacitor for power monopulse generation
Technical Field
The invention relates to the technical field of pulse power, in particular to a disc-shaped series-parallel capacitor for generating a power single pulse.
Background
Pulse power technology is an electro-physical technology that rapidly compresses, converts or directly releases energy stored slowly and having a relatively high density to a load. Is widely applied to the fields of national defense scientific research, high and new technology research, civil industry and the like.
The basic principle of power monopulse generation is: the capacitor is slowly charged by the high voltage power supply until the two ends of the capacitor reach the target voltage, and then the energy stored in the capacitor is instantaneously released, so that the power monopulse is output.
The existing power single-pulse generator is often charged and pulse discharged through a single capacitor, but the discharging current capacity of the method of pulse high-current discharging by only relying on the single capacitor is not high enough, and ablation is easily generated inside the capacitor, so that the service life is not long enough.
A disc-shaped series-parallel capacitor for generating a single pulse of power was developed to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to solve the problems and designs a disc-shaped series-parallel capacitor for generating a power single pulse.
The invention achieves the above object by the following technical scheme;
a disc-shaped series-parallel capacitor for power monopulse generation, comprising:
disc-shaped PCB circuit board; the capacitor is wired through a disc-shaped PCB circuit board;
two series-parallel capacitor sets; the two groups of series-parallel capacitors are respectively arranged on the front side and the back side of the disc-shaped PCB circuit board; each series-parallel capacitor group comprises a plurality of parallel series capacitor groups, and each series capacitor group comprises a plurality of series capacitors; the series-parallel capacitor sets are formed into a circular ring shape, a plurality of groups of series-connection capacitor sets are uniformly distributed, a plurality of series-connection capacitors in each group of series-connection capacitor sets are arranged on the same straight line, and the straight lines respectively arranged by the plurality of groups of series-connection capacitor sets are intersected at the center of the circular ring shape;
a capacitor equivalent positive electrode; the equivalent positive electrode of the capacitor is arranged on a disc-shaped PCB circuit board at the center of the series-parallel capacitor bank;
a plurality of capacitor equivalent cathodes; the equivalent cathodes of the capacitors are uniformly arranged outside the series-parallel capacitor group and are arranged on the disc-shaped PCB.
The invention has the beneficial effects that;
the series-parallel coaxial radial interval arrangement of the front and back sides of the plurality of film capacitors is carried out through the disc-shaped PCB circuit board to form a capacitor for generating a power monopulse, so that the physical conducting paths from each group of series-connected film capacitors to the equivalent positive electrode are equal, the discharge capacity is greatly improved by using large-area circular copper laying to replace wiring, and meanwhile, the discharge ablation phenomenon inside each group of series-connected capacitors is effectively prevented, and the service life of the capacitor is greatly prolonged.
Drawings
FIG. 1 is a schematic perspective view of the present invention (view angle one);
FIG. 2 is a schematic perspective view (view II) of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a cross-sectional view of A-A of FIG. 3;
FIG. 5 is a cross-sectional view of B-B in FIG. 3;
the reference numerals and corresponding part names in the drawings: 1. the capacitor comprises a capacitor equivalent positive electrode, a capacitor equivalent negative electrode, 3, a capacitor, 4, a disc-shaped PCB (printed circuit board), 5, a circle center support column, 6, a circumference support column, 7 and a screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that; like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships conventionally put in place when the inventive product is used, or the directions or positional relationships conventionally understood by those skilled in the art are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The following describes specific embodiments of the present invention in detail with reference to the drawings.
As shown in fig. 1 to 5, a disc-shaped series-parallel capacitor for generating a power monopulse, comprising:
a disc-shaped PCB circuit board 4; the capacitor is wired through the disc-shaped PCB 4;
two series-parallel capacitor sets; the two groups of series-parallel capacitors are respectively arranged on the front side and the back side of the disc-shaped PCB 4; each series-parallel capacitor group comprises thirty parallel series capacitor groups, and each series capacitor group comprises three series capacitors 3; the series-parallel capacitor sets are formed into a circular ring shape, thirty groups of series-connection capacitor sets are uniformly distributed, three series-connection capacitors 3 in each group of series-connection capacitor sets are arranged on the same straight line, and straight lines respectively arranged by a plurality of groups of series-connection capacitor sets are intersected at the center of the circular ring shape;
a capacitor equivalent positive electrode 1; the capacitor equivalent positive electrode 1 is arranged on a disc-shaped PCB circuit board 4 at the center of the series-parallel capacitor bank;
six capacitors equivalent cathodes 2; six capacitor equivalent cathodes 2 are uniformly arranged outside the series-parallel capacitor group and are arranged on a disc-shaped PCB circuit board 4.
In some embodiments, the connection between the plurality of series capacitor sets of the two series-parallel capacitor sets and the disc-shaped PCB circuit board 4 is circumferentially spaced apart.
In some embodiments, the capacitance is a thin film capacitance.
In some embodiments, the disc-shaped serial-parallel capacitor further comprises a circle center support column 5 and six circumference support columns 6, wherein the upper ends of the circle center support columns 5 are connected with the center of the disc-shaped PCB circuit board 4, the upper ends of the six circumference support columns 6 are connected with the edge of the disc-shaped PCB circuit board 4, and the six circumference support columns 6 are uniformly distributed around the circle center support column 5.
In some embodiments, the center support column 5 and the six circumferential support columns 6 are connected with the disc-shaped PCB circuit board 4 through M6 screws 7.
In some embodiments, the circle center support column 5, the circumference support column 6 and the screw 7 are all made of PLA plastics by 3D printing.
In some embodiments, the circle center support column 5 and the circumference support column 6 are both formed into a hexagonal prism-shaped structure, three triangular supports are uniformly arranged around the bottom of the circle center support column 5, and six triangular supports are uniformly arranged around the bottom of the circumference support column 6. The disc-shaped PCB 4 is fixed by using 7 PLA plastic support columns manufactured by 3D printing technology and screws 7 thereof, so that high-voltage electricity on the disc-shaped PCB 4 can be effectively isolated from a desktop, and leakage is prevented.
In some embodiments, the top of the center support column 5 is connected with three first connecting columns with the same interval angle, and the top of the first connecting columns is connected with the disc-shaped PCB 4 through three screws 7; the top of the circumference support column 6 is connected with a second connecting column, and the top of the second connecting column is connected with the disc-shaped PCB 4 through a screw 7.
When the power single-pulse switching system is used, the power single-pulse switching system is matched with a power single-pulse switching system for use, and particularly comprises an MCU controller, a high-voltage power supply and a GDT switching module; the capacitor equivalent positive electrode 1 and the capacitor equivalent negative electrode 2 are sequentially connected with the output positive electrode and the output negative electrode of the power monopulse switching system, and the power monopulse switching system is used for charging and power monopulse discharging. When the power supply is used, the high-voltage power supply charges the capacitor from the equivalent positive electrode 1 through the connecting wire, and the capacitor is subjected to a preparation discharging stage after reaching the target voltage, and at the moment, the GDT switch module can be controlled by the MCU controller to realize power monopulse discharging. During discharging, 180 film capacitors in total release power pulses simultaneously, 60 groups of pulse currents are subjected to equivalent superposition, and power single pulse output is performed through the capacitor equivalent positive electrode 1, so that high peak current power pulses are realized. Meanwhile, due to the structure of the disc-shaped PCB 4, the total pulse current finally output is formed by 60 groups of independent pulse currents, so that each group of thin film capacitors connected in series only bears a small part of the total output energy, the phenomenon of internal ablation of the capacitors is avoided, and the service life is greatly prolonged.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims (10)

1. A disc-shaped series-parallel capacitor for power monopulse generation, comprising:
disc-shaped PCB circuit board; the capacitor is wired through a disc-shaped PCB circuit board;
two series-parallel capacitor sets; the two groups of series-parallel capacitors are respectively arranged on the front side and the back side of the disc-shaped PCB circuit board; each series-parallel capacitor group comprises a plurality of parallel series capacitor groups, and each series capacitor group comprises a plurality of series capacitors; the series-parallel capacitor sets are formed into a circular ring shape, a plurality of groups of series-connection capacitor sets are uniformly distributed, a plurality of series-connection capacitors in each group of series-connection capacitor sets are arranged on the same straight line, and the straight lines respectively arranged by the plurality of groups of series-connection capacitor sets are intersected at the center of the circular ring shape;
a capacitor equivalent positive electrode; the equivalent positive electrode of the capacitor is arranged on a disc-shaped PCB circuit board at the center of the series-parallel capacitor bank;
a plurality of capacitor equivalent cathodes; the equivalent cathodes of the capacitors are uniformly arranged outside the series-parallel capacitor group and are arranged on the disc-shaped PCB.
2. The disc-shaped series-parallel capacitor for generating a single pulse of power according to claim 1, wherein the capacitor is a thin film capacitor.
3. The disc-shaped series-parallel capacitor for generating power monopulse according to claim 1, wherein the disc-shaped series-parallel capacitor further comprises a circle center support column and a plurality of circumference support columns, the upper ends of the circle center support columns are connected with the center of the disc-shaped PCB, the upper ends of the plurality of circumference support columns are connected with the edge of the disc-shaped PCB, and the plurality of circumference support columns are uniformly distributed around the circle center support column.
4. A disc-shaped series-parallel capacitor for generating power monopulse according to claim 3, wherein the center support column and the plurality of circumference support columns are connected with the disc-shaped PCB circuit board by screws.
5. The disc-shaped series-parallel capacitor for generating power monopulse according to claim 4, wherein the circle center support column, the circle support column and the screw are all made of PLA plastics by 3D printing.
6. The disc-shaped series-parallel capacitor for power monopulse generation according to claim 4, wherein the circle center support column and the circumference support column are both formed into a hexagonal prism-shaped structure, three triangular supports are uniformly arranged around the bottom of the circle center support column, and six triangular supports are uniformly arranged around the bottom of the circumference support column.
7. The disc-shaped serial-parallel capacitor for generating power monopulse according to claim 6, wherein the top of the center support column is connected with three first connecting columns with the same interval angle, and the top of the first connecting column is connected with a disc-shaped PCB circuit board through three screws; the top of the circumference support column is connected with a second connecting column, and the top of the second connecting column is connected with the disc-shaped PCB through a screw.
8. A disc-shaped series-parallel capacitor for power monopulse generation according to claim 3, wherein the number of the circumferential support columns is six.
9. The disc-shaped series-parallel capacitor for generating power monopulse according to claim 1, wherein a plurality of series capacitor groups of the two series-parallel capacitor groups are circumferentially spaced apart at the connection of the disc-shaped PCB.
10. A disc-shaped series-parallel capacitor for generating a single pulse of power according to claim 1, wherein each series capacitor group comprises three series capacitors, and each series-parallel capacitor group comprises thirty parallel series capacitor groups.
CN202311251801.0A 2023-09-26 2023-09-26 Disc-shaped series-parallel capacitor for power monopulse generation Pending CN117292945A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311251801.0A CN117292945A (en) 2023-09-26 2023-09-26 Disc-shaped series-parallel capacitor for power monopulse generation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311251801.0A CN117292945A (en) 2023-09-26 2023-09-26 Disc-shaped series-parallel capacitor for power monopulse generation

Publications (1)

Publication Number Publication Date
CN117292945A true CN117292945A (en) 2023-12-26

Family

ID=89238501

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311251801.0A Pending CN117292945A (en) 2023-09-26 2023-09-26 Disc-shaped series-parallel capacitor for power monopulse generation

Country Status (1)

Country Link
CN (1) CN117292945A (en)

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