CN204465487U - A kind of Marx generator triggers loop and Marx generator - Google Patents
A kind of Marx generator triggers loop and Marx generator Download PDFInfo
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- CN204465487U CN204465487U CN201520223730.8U CN201520223730U CN204465487U CN 204465487 U CN204465487 U CN 204465487U CN 201520223730 U CN201520223730 U CN 201520223730U CN 204465487 U CN204465487 U CN 204465487U
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Abstract
The utility model relates to a kind of Marx generator and triggers loop and Marx generator, trigger loop to be made up of the transformer of multiple band magnetic core of arranging successively, the primary edge series connection of each transformer forms public former limit, the secondary of each transformer is separate, elementary triggering signal is introduced by transformer public former limit single-point, trigger output signal is provided by each transformer secondary, independent separately.Marx generator of the present utility model adopts the triggering loop of transformer-type, effectively reduces the electric pressure triggering and introduce signal, greatly improves the fail safe in the insulating reliability and device debugging process triggering loop.
Description
Technical field
The utility model is a kind of pulse power generation device, is specifically related to Marx generator and triggers loop and Marx generator.
Background technology
Marx generator is a kind of typical pulse power device, in high-voltage pulse field extensive application.The mode of usual generation high-voltage pulse has Marx generator, high voltage pulse transformer, LTD etc., compared with the high voltage pulse generation devices such as transformer, Marx generator has higher energy storage density, also has that structure is simple, cost is low, design and an advantage such as easy to operate simultaneously.
Typical Marx Generator is in series by multiple capacitor and switch usually.In the course of work, the charge circuit first consisted of charging and earth resistance carries out charged in parallel to each electric capacity of generator.After being charged to setting voltage, utilizing external high pressure pulse to what switch before generator to trigger, cause switch conduction, subsequent stages switch punctures successively in mistake pressure.In generator process of establishing, charging and triggering system are formed as parasitic loop self discharges, and increases the energy loss of whole generator.Particularly trigger loop, for ensureing to be added in the trigger voltage forward position and amplitude that switch triggering extremely goes up, usual trigger resistance value is less, causes whole generator energy loss to increase.
Existing triggering loop by trigger electrode by trigger impulse voltage couples in switch, high-field electrode and the ground electrode of trigger electrode and switch have discharge channel, therefore Marx generator energy by trigger electrode by Energy Coupling to triggering loop in, and the general value of trigger resistance is less, cause triggering the electric current of releasing in loop comparatively large, whole generator energy loss is larger.
Summary of the invention
In order to effectively avoid existing Marx generator to trigger loop releasing to main discharge circuit energy, ensure that generator is reliably set up, the utility model provides a kind of the triggering loop and the Marx generator that carry out triggering foundation based on transformer coupled principle simultaneously.
Technical solution of the present utility model is:
A kind of triggering loop of Marx generator, its special character is: described triggering loop is made up of the transformer of multiple band magnetic core of arranging successively, the primary edge series connection of each transformer forms public former limit, the secondary of each transformer is separate, elementary triggering signal is introduced by transformer public former limit single-point, trigger output signal is provided by each transformer secondary, independent separately.
Be more than basic scheme of the present utility model, based on this basic scheme, the utility model has also carried out following optimization and has limited.
The shape of the magnetic core of above-mentioned transformer is column annulus, and column circle Ring current distribution is annulus hole, and each transformer is contained on an insulating bar matched with annulus hole shape by respective annulus borehole jack, and this structure has convenient installation, locates and the feature of coiling.
Further, the secondary of each transformer in above-mentioned triggering loop is positioned at the same side of insulating bar, and the public former limit in described triggering loop is positioned at the opposite side of insulating bar.
Further, all magnetic cores are passed by a high-voltage line successively along insulating bar in the public former limit in above-mentioned triggering loop, and the side that round coiling is not wound around the magnetic core of cable forms.
Further, the coiling number of turn of the secondary of each transformer in above-mentioned triggering loop is 5 to 10 circles, and the coiling number of turn on the public former limit in described triggering loop is 3-5 circle.
Further, the magnetic core of each transformer in triggering loop of the present utility model is high saturated magnetic permeability magnetic core, former limit and secondary by high-voltage connection voluntarily coiling form.Wherein to refer to that magnetic core is not easy saturated for high saturated magnetic permeability magnetic core, and after namely former limit applies trigger impulse voltage, magnetic core can not be saturated, without particular range, selects corresponding magnetic core according to trigger impulse voltage; Magnetic core coiling adopts high voltage insulated cable, without exposed high-voltage line on magnetic core.This structure greatly can reduce the insulation distance triggering loop and peripheral structure, is easier to the compact designed realizing whole device.
Further, shape and the size of the magnetic core of each transformer in above-mentioned triggering loop are identical.
Adopt the Marx generator in above-mentioned triggering loop, also comprise main discharge circuit, described main discharge circuit comprises switch to be triggered, and the trigger output signal in described triggering loop triggers switch to be triggered,
Its special character is: described switch to be triggered adopts Trigatron form, and the trigger electrode of switch to be triggered and ground electrode are coaxial configuration.
The advantage of this structure be greatly can improve switch can trigger range, being communicated with of trigger electrode and ground electrode after being simultaneously easy to realize switch triggering conducting, and then short contact beams back road.Generator major loop and its triggering loop all linearly type arrange, and form coaxial configuration with device external metallization housing, make device volume compacter and easy accessibility.
Further, above-mentioned main discharge circuit and triggering loop all linearly type arrange, and form coaxial configuration with device external metallization housing, are convenient to the synchronous triggering realizing multiple switch.
Compared with prior art, advantage is the utility model:
Marx generator of the present utility model adopts the triggering loop of transformer-type, effectively reduces the electric pressure triggering and introduce signal, greatly improves the fail safe in the insulating reliability and device debugging process triggering loop.Generator triggers in process of establishing, and high-voltage trigger signal is transmitted to each self-corresponding switch to be triggered by each transformer secondary, and after switch triggering conducting, transformer secondary is by short circuit, thus reaches mutually isolated effect.Because of mutually isolated between each transformer, so trigger loop and main discharge circuit, and in off state between each switch triggering loop, effectively prevent and trigger the discharge process that loop participates in main discharge circuit.
Accompanying drawing explanation
Fig. 1 is top plan view of the present utility model.
Fig. 2 is side cutaway view of the present utility model.
Fig. 3 is the connection design sketch that the utility model triggers loop.
Fig. 4 is the structure principle chart of the trigger switch of Trigatron form.
Wherein, 1-magnetic core, 12-transformer secondary, the public former limit of 11-transformer, 2-fiber-glass pole, 3-ball-type metal electrode, 4-movement supporting bracket, 5-metal sealing cavity, 6-generator output end, 7-ceramic condenser.
Embodiment
With embodiment, the utility model is described further by reference to the accompanying drawings from principle of the present utility model below.
The utility model considers in Marx generator process of establishing and triggers the impact of loop on whole discharge loop Energy transmission efficiency, generator touches switch outward and adopts Trigatron form (see Fig. 4), triggers many core transformers that contacted by former limit in loop, secondary connects switch triggering pole and forms.When after the conducting of generator switch triggering, trigger electrode is communicated with main electrode, and Trigger transformers secondary is by short circuit, and whole triggering loop is isolated in outside main discharge circuit.This triggering mode effectively prevent and triggers loop to the leakage of generator main discharge circuit energy, improves the delivery efficiency of generator.The overall dimension of the utility model embodiment is Φ 260 × 710mm, compact conformation, and integral layout is coaxial configuration.
As shown in Figure 1-2, the utility model is made up of movement, parts such as triggering loop, metal sealing cavity 5 etc.Movement is made up of ceramic condenser 7, ball-type metal electrode 3, movement supporting bracket 4 and charging resistor, earth resistance etc.
The main installation process of the utility model embodiment is:
(1) be arranged on successively by ball-type metal electrode 3 in movement supporting bracket electrode holddown groove, the material of ball-type metal electrode can select stainless steel;
(2) ceramic condenser 7 is fixed on below movement supporting bracket by metal connecting structure successively;
(3) charging and earth resistance are arranged on successively each ceramic condenser 7 with on ball-type metal electrode 3;
(4) triggering loop is fixed on the side of movement supporting bracket 4 near switch triggering electrode;
(5) movement is arranged on the end cap of metal sealing cavity 5 one end;
(6) movement is inserted inside cavity along metal sealing cavity 5 one end guide groove, and utilize screw it to be connected with metal sealing cavity 5;
(7) generator output end 6 is arranged on metal sealing cavity 5 other end end cap central position, and utilizes screw it to be connected with metal sealing cavity 5, installation.
Fig. 3 is the connection design sketch that the utility model triggers loop, and the main connection procedure triggering loop is:
(1) the magnetic core 1 two ends polymethyl methacrylate catch triggering loop is fixed;
(2) utilize high-voltage line around core FCl 5 to 10 circle, form coupling transformer secondary 12;
(3) utilize fiber-glass pole 2 by the magnetic core of good for coiling secondary, wear into a string according to generator switch distance, the side being wound with transformer secondary is unified in a direction;
(4) another root high-voltage line is not wound around the side of cable along insulating bar and magnetic core, successively through all magnetic cores, and carries out the coiling of 3-5 circle, formed and trigger the public former limit 11 of return circuit coupling transformer, trigger loop and connected.
Claims (9)
1. the triggering loop of a Marx generator, it is characterized in that: described triggering loop is made up of the transformer of multiple band magnetic core of arranging successively, the primary edge series connection of each transformer forms public former limit, the secondary of each transformer is separate, elementary triggering signal is introduced by transformer public former limit single-point, trigger output signal is provided by each transformer secondary, independent separately.
2. the triggering loop of Marx generator according to claim 1, it is characterized in that: the shape of the magnetic core of described transformer is column annulus, column circle Ring current distribution is annulus hole, and each transformer is contained on an insulating bar matched with annulus hole shape by respective annulus borehole jack.
3. the triggering loop of Marx generator according to claim 2, is characterized in that: the secondary of each transformer in described triggering loop is positioned at the same side of insulating bar, and the public former limit in described triggering loop is positioned at the opposite side of insulating bar.
4. the triggering loop of Marx generator according to claim 3, is characterized in that: all magnetic cores are passed by a high-voltage line successively along insulating bar in the public former limit in described triggering loop, comes and goes the side being wound in the magnetic core not being wound around cable and forms.
5. the triggering loop of Marx generator according to claim 4, is characterized in that: the coiling number of turn of the secondary of each transformer in described triggering loop is 5-10 circle, and the coiling number of turn on the public former limit in described triggering loop is 3-5 circle.
6. the triggering loop of the Marx generator according to arbitrary claim of claim 1-5, is characterized in that:
The magnetic core of each transformer in described triggering loop is high saturated magnetic permeability magnetic core, former limit and secondary by high-voltage connection voluntarily coiling form.
7. the triggering loop of Marx generator according to claim 6, is characterized in that: shape and the size of the magnetic core of each transformer in described triggering loop are identical.
8. adopt the Marx generator in the triggering loop described in arbitrary claim of claim 1-7, comprise main discharge circuit, described main discharge circuit comprises switch to be triggered, and the trigger output signal in described triggering loop triggers switch to be triggered, it is characterized in that:
Described switch to be triggered adopts Trigatron form, and the trigger electrode of switch to be triggered and ground electrode are coaxial configuration.
9. Marx generator according to claim 8, is characterized in that: described main discharge circuit and triggering loop all linearly type arrange, and form coaxial configuration with device external metallization housing.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106299579A (en) * | 2016-10-21 | 2017-01-04 | 西安电子工程研究所 | Linear type switch arrays microwave oscillator |
CN110739935A (en) * | 2019-10-16 | 2020-01-31 | 长沙魔豆智能科技有限公司 | pulse generators and pulse generation method |
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2015
- 2015-04-13 CN CN201520223730.8U patent/CN204465487U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106299579A (en) * | 2016-10-21 | 2017-01-04 | 西安电子工程研究所 | Linear type switch arrays microwave oscillator |
CN106299579B (en) * | 2016-10-21 | 2018-10-09 | 西安电子工程研究所 | Linear type switch arrays microwave oscillator |
CN110739935A (en) * | 2019-10-16 | 2020-01-31 | 长沙魔豆智能科技有限公司 | pulse generators and pulse generation method |
CN110739935B (en) * | 2019-10-16 | 2023-08-25 | 长沙魔豆智能科技有限公司 | Pulse generator and pulse generation method |
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