CN107564767B - A kind of wire battle array switch of achievable multiple switching movement - Google Patents
A kind of wire battle array switch of achievable multiple switching movement Download PDFInfo
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- CN107564767B CN107564767B CN201710854040.6A CN201710854040A CN107564767B CN 107564767 B CN107564767 B CN 107564767B CN 201710854040 A CN201710854040 A CN 201710854040A CN 107564767 B CN107564767 B CN 107564767B
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Abstract
The invention discloses a kind of wire battle array switches of achievable multiple switching movement, including the first connecting pin, filling gas, shell, second connection end, N number of wire battle array and N+1 to connect a sheet metal.N number of wire battle array and N+1 connect a sheet metal and set inside the shell, N+1 connect a sheet metal interval setting, adjacent two, which connect, is equipped with wire battle array between a sheet metal, shell both ends center is provided with through-hole, the through-hole that shell one end is protruded into first connecting pin one end is connect with the sheet metal that connects for being located at end, and the other end is connect with external circuit；The through-hole that the shell other end is protruded into second connection end one end is connect with the sheet metal that connects for being located at end, and the other end is connect with external circuit；It is filled with filling gas inside the shell.Structure of the invention is compact, light-weight, size is small, can realize that multiple switching acts in several gsecs, and the switch motion time is controllable, and has the function of steepness Current Voltage pulse front edge, can be applied in pulse generating system generate multiple-pulse output.
Description
Technical field
The invention belongs to the switching techniques in technical field of pulse power, and in particular to a kind of achievable multiple switching movement
Wire battle array switch.
Background technique
Pulse Power Techniques be study high voltage, high current, high power, short pulse generation with application an emerging section
Technology is grown rapidly in worldwide in nearly 50 years.Pulse Power Techniques are one in electrical technology field
A branch, the application potential possessed by itself, Pulse Power Techniques are in particle accelerator, radar emission, plasma substrate
Reason, high power laser, High-Power Microwave, electromagnetic drive, strong electromagnetic pulse radiation, metal electromagnetic forming, X-ray radiography, food
The military affairs such as product disinfection, dedusting antiscale, industry, medical treatment, scientific research field using very extensive.Switching technique is Pulse Power Techniques
One of main bottleneck.Pulse power system in modernization military affairs, industry and medical field application is to switch performance requirement
Higher and higher, traditional gas spark gap switch is difficult to be applicable in.The work of most of high repetitive frequency pulsed power generators is joined
Number determines that the progress of any switching technique may all bring the raising of pulse power output level by switch.
Pulse power system is applied to the civil fields such as X-ray radiography, food sterilization and non-contact detection, needs to generate more
Subpulse completion continuously takes pictures, repeatedly disinfection and multiple detection operations task.It can produce the pulse power system of multiple pulse outputs
System requires switch to carry out multiple switching movement in a very short period of time.While to reduce the requirement to application site and system being facilitated to fill
It unloads and transports, miniaturization, light-weight design requirement are proposed to switch.
Summary of the invention
It is compact-sized, again the purpose of the present invention is to provide a kind of wire battle array switch of achievable multiple switching movement
Amount is light, can realize that multiple switching acts in several gsecs, and the switch motion time is controllable, and can be to the pulse of Current Voltage
Forward position carries out steepness.
The technical solution for realizing the aim of the invention is as follows: a kind of wire battle array switch of achievable multiple switching movement,
A sheet metal, N >=1 are connect including the first connecting pin, filling gas, shell, second connection end, N number of wire battle array and N+1.
Wherein N number of wire battle array and N+1 connect a sheet metal and set inside the shell, and N+1 connect a sheet metal interval setting,
Adjacent two, which connect, is equipped with wire battle array between a sheet metal, and connects, and shell both ends center is provided with through-hole, the first connecting pin one
The through-hole that shell one end is protruded at end is connect with the sheet metal that connects for being located at end, and the other end is connect with external circuit；Second connection end
The through-hole that the shell other end is protruded into one end is connect with the sheet metal that connects for being located at end, and the other end is connect with external circuit；In shell
It is interior to be filled with filling gas.
The wire battle array includes several wires in parallel, several wires centered on the central axis of shell,
The central axis for being parallel to shell is uniformly distributed in a ring, and the wire length in the same wire battle array is identical, different metal
Wire quantity and length in silk battle array is different, and it is dynamic effectively to control each switch by the quantity and length that design wire
Make the time.
Compared with prior art, the present invention its remarkable advantage is:
(1) compact-sized, light-weight, size is small, be conducive to miniaturization, the light-weight design of system.
(2) it can realize that multiple switching acts in several gsecs.
(3) the switch motion time is controllable.
(4) has the function of steepness Current Voltage pulse front edge.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of the wire battle array switch of achievable multiple switching movement of the present invention.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing.
The present invention composes in parallel wire battle array using more one metal wires, uses multiple concatenated wire battle arrays 2 as switch, can
Multiple switching movement is realized in several gsecs, it can be effective by designing the quantity and length of wire in each wire battle array
Control each secondary switch motion time, it is compact-sized, light-weight, size is small, and have the function of steepness pulse front edge, it is suitble to application
In the circuit system for needing microsecond rank multiple switching to act, inductive energy storage component can also be cooperated to be applied to pulse generation system
To generate multiple-pulse output in system.
In conjunction with Fig. 1, a kind of wire battle array switch of achievable multiple switching movement, including the first connecting pin 1, filling gas
3, shell 5, second connection end 6, N number of wire battle array 2 and N+1 connect a sheet metal 4, N >=1；
Wherein N number of wire battle array 2 and N+1 connect a sheet metal 4 and set in shell 5, and N+1 connect the interval of a sheet metal 4
Setting, adjacent two connect and are equipped with wire battle array 2 between a sheet metal 4, and connect, and 5 both ends center of shell is provided with through-hole, and first
The through-hole that 5 one end of shell is protruded into 1 one end of connecting pin is connect with the sheet metal 4 that connects for being located at end, and the other end is connect with external circuit；
The through-hole that 5 other end of shell is protruded into 6 one end of second connection end is connect with the sheet metal 4 that connects for being located at end, the other end and dispatch from foreign news agency
Road connection；Filling gas 3 is filled in shell 5.After shell 5 is protruded into described first connecting pin, 1 one end, the two junction is done close
Envelope processing；After shell 5 is protruded into described 6 one end of second connection end, encapsulation process is done in the two junction.
Consider that there are skin effects in wire surface for electric current, the discharge-induced explosion process of wire can be made unstable, therefore
Wire battle array 2 is composed in parallel using more wires of the diameter less than 0.2 millimeter, and connects sheet metal at 2 both ends of wire battle array,
As wire battle array basic unit.
For 2 electric explosive switch process elapsed-time standards of wire battle array less than 1 microsecond, N number of wire battle array 2 can be in several gsecs
Realize multiple switching movement.Because discharge-induced explosion process is very rapid, the voltage and current in circuit undergoes mutation, can steepness electric current electricity
Press the forward position of pulse.
Public one connects a sheet metal 4 among two adjacent wire battle arrays 2, can reduce wire battle array volume of switch and again
Amount, keeps its compact-sized.The insulating gas such as nitrogen or sulfur hexafluoride are filled in shell 5, are conducive to improve when switch disconnects
Open-circuit impedance, further steepness pulse front edge.
The wire battle array 2 includes several wires in parallel, during several wires with the central axis of shell 5 are
The heart, the central axis for being parallel to shell 5 are uniformly distributed in a ring, and the wire length in the same wire battle array 2 is identical, different
Wire quantity and length in wire battle array 2 is different, is effectively controlled each time by the quantity and length that design wire
The switch motion time.
According to the resistivity of wire discharge-induced explosion-specific actio model and law of conservation of energy, can be derived by with lower section
Journey group:
G is specific actio in formula, and j is current density, and I is size of current, and n is wire radical, and L is wire length, d
For wire diameter, ρ is resistivity, ρ0For wire solid-state initial electrical resistivity, ρ1For wire melting point resistivity, ρ2For gold
Belong to silk liquid initial electrical resistivity, ρ3For wire evaporation point resistivity, g1For wire melting point specific actio, g2For wire
Evaporation point specific actio.When the Metal wire material of wire battle array switch is selected, the ρ of wire0、ρ1、ρ2、ρ3、g1And g2Parameter
Can query material parameter obtain；When the operating circuit of known metal silk battle array switch, the size of current I in circuit can be according to electricity
Road specificity analysis obtains；Considering electric current, there are skin effects in wire surface, choose wire diameter less than 0.2 millimeter.Root
According to required wire battle array switch time t, the wire radical n and length L, Ji Keshi of design are determined using equation group (1)
Now to effective control of each secondary switch motion time.
First connecting pin 1, second connection end 6 be conductive material (such as copper, iron and aluminium), can directly conducting wire connection or
It is welded to connect application circuit.
The filling gas 3 is insulating gas (such as nitrogen and sulfur hexafluoride), conducive to the open circuit improved when switch disconnects
Impedance, further steepness pulse front edge.
The shell 5 is the material (rubber and glass etc.) with well hold one's breath performance and insulation performance.
The course of work: after the external circuit that the first connecting pin 1 and second connection end 6 connect is started to work, high-density current
Flow through wire battle array switch when, energy is accumulated rapidly in wire battle array 2 with form of thermal energy, the wire in wire battle array 2 with
Heating；The first order wire battle array heating it is most fast, while earliest by solid-state heating, fusing, liquid heating, be vaporizated into it is gaseous
Physical change process, resistivity constantly increase, and wire portion evaporation of materials and close on air gas molecular ionization ingredient later
It together forms plasma and expands rapidly, wire resistance suddenly increases, and Electric Explosive Wires Opening phenomenon is formed, so that circuit
It disconnects for the first time；As the energy in wire battle array continues to build up, the first order wire battle array of vaporization is still heated, metal vapour
Body ionizes, and under the action of electric arc and metallic plasma, rear class wire battle array is still not heated to the vaporization explosion stage,
Entire wire battle array switch is in low resistance state, and circuit is closed for the first time, and circuit is connected again；With in the wire battle array of the second level
Energy continue to build up, second level wire battle array also pass through solid-state heating, fusing, liquid heating, vaporize and discharge-induced explosion occur
Phenomenon, second of disconnection of circuit；As the energy in wire battle array continues to build up, the second level wire battle array of vaporization continues to add
Heat, metal steam ionize, and under the action of electric arc and metallic plasma, it is quick-fried that rear class wire battle array is still not heated to vaporization
Fried stage, entire wire battle array switch are in low resistance state, second of closure of circuit；And so on, one kind can be achieved repeatedly to open
It connects N number of wire battle array 2 in the wire battle array switch of pass movement, that is, can produce the movement of n times complete switchgear.Filling gas 3 guarantees
It is dielectrically separated between wire, improves open-circuit impedance when wire battle array switch disconnects, further steepness pulse front edge.Connect a metal
Piece 4 guarantees that the both ends of more wires in parallel in the same wire battle array 2 are in same potential position, improves wire battle array switch
The stability of multiple switching movement.
Claims (7)
1. a kind of wire battle array switch of achievable multiple switching movement, it is characterised in that: including the first connecting pin (1), filling
Gas (3), shell (5), second connection end (6), N number of wire battle array (2) and N+1 connect a sheet metal (4), N >=1；
Wherein N number of wire battle array (2) and a sheet metal (4) that connects of N+1 are set in shell (5), and N+1 connect a sheet metal (4)
Interval setting, adjacent two connect between a sheet metal (4) equipped with wire battle array (2), connect a sheet metal (4) and wire battle array
(2) it connects, shell (5) both ends center is provided with through-hole, and the first connecting pin (1) one end is protruded into the through-hole of shell (5) one end and is located at
End connects a sheet metal (4) connection, and the other end is connect with external circuit；Shell (5) other end is protruded into second connection end (6) one end
Through-hole be located at end the sheet metal (4) that connects connect, the other end is connect with external circuit；Filled with filling in shell (5)
Gas (3)；
The wire battle array (2) includes several wires in parallel, during several wires with the central axis of shell (5) are
The heart, the central axis for being parallel to shell (5) are uniformly distributed in a ring, and the wire length in the same wire battle array (2) is identical,
Wire quantity and length in different metal silk battle array (2) is different, is effectively controlled by the quantity and length that design wire
Make each secondary switch motion time；
The quantity and length of above-mentioned wire and the calculation method of each secondary switch motion time are as follows:
According to the resistivity of wire discharge-induced explosion-specific actio model and law of conservation of energy, following equation can be derived by
Group:
G is specific actio in formula, and j is current density, and I is size of current, and n is wire radical, and L is wire length, and d is gold
Belong to silk diameter, ρ is resistivity, ρ0For wire solid-state initial electrical resistivity, ρ1For wire melting point resistivity, ρ2For wire
Liquid initial electrical resistivity, ρ3For wire evaporation point resistivity, g1For wire melting point specific actio, g2For wire vaporization
Point specific actio；
When the Metal wire material of wire battle array switch is selected, the ρ of wire0、ρ1、ρ2、ρ3、g1And g2Parameter can query material
Parameter obtains；When the operating circuit of known metal silk battle array switch, the size of current I in circuit can be analyzed according to circuit characteristic
It arrives；Considering electric current, there are skin effects in wire surface, choose wire diameter less than 0.2 millimeter；According to required wire
Battle array switch time t, the wire radical n and length L of design are determined using equation group (1), be can be realized and are switched to each time
Effective control of actuation time.
2. the wire battle array switch of achievable multiple switching movement according to claim 1, it is characterised in that: described first
Connecting pin (1), second connection end (6) are conductive material, directly pass through conducting wire or welding application circuit.
3. the wire battle array switch of achievable multiple switching movement according to claim 1, it is characterised in that: the filling
Gas (3) is insulating gas, conducive to the open-circuit impedance improved when switch disconnects, further steepness pulse front edge.
4. the wire battle array switch of achievable multiple switching movement according to claim 3, it is characterised in that: the insulation
Gas is nitrogen or sulfur hexafluoride.
5. the wire battle array switch of achievable multiple switching movement according to claim 1, it is characterised in that: the shell
It (5) is the material with well hold one's breath performance and insulation performance.
6. the wire battle array switch of achievable multiple switching movement according to claim 5, it is characterised in that: described to have
The material of performance of well holding one's breath and insulation performance is rubber or glass.
7. the wire battle array switch of achievable multiple switching movement according to claim 1, it is characterised in that: described first
After shell (5) are protruded into connecting pin (1) one end, encapsulation process is done in the two junction；Shell is protruded into described second connection end (6) one end
(5) after, encapsulation process is done in the two junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710854040.6A CN107564767B (en) | 2017-09-20 | 2017-09-20 | A kind of wire battle array switch of achievable multiple switching movement |
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| CN201710854040.6A CN107564767B (en) | 2017-09-20 | 2017-09-20 | A kind of wire battle array switch of achievable multiple switching movement |
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| CN107564767B true CN107564767B (en) | 2019-04-12 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US2209823A (en) * | 1936-12-16 | 1940-07-30 | Gen Electric | Fuse |
| DE763090C (en) * | 1941-12-13 | 1954-01-25 | Aeg | High voltage fuse with resistor connected in parallel |
| US4125819A (en) * | 1977-08-19 | 1978-11-14 | Gould Inc. | Electric fuse with equalized filler duty |
| EP1357649B1 (en) * | 2002-04-25 | 2005-11-09 | ABB Schweiz AG | Separation device |
| CN101527235B (en) * | 2008-03-06 | 2011-12-21 | 颜琼章 | Overcurrent protective device and manufacture method thereof |
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