CN103198942B - Control isolated form high-pressure mechanical switch - Google Patents
Control isolated form high-pressure mechanical switch Download PDFInfo
- Publication number
- CN103198942B CN103198942B CN201310089843.9A CN201310089843A CN103198942B CN 103198942 B CN103198942 B CN 103198942B CN 201310089843 A CN201310089843 A CN 201310089843A CN 103198942 B CN103198942 B CN 103198942B
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- Prior art keywords
- anode
- electrode
- isolated form
- form high
- negative electrode
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- 238000009422 external insulation Methods 0.000 claims description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 10
- 229910001369 Brass Inorganic materials 0.000 claims description 6
- 239000010951 brass Substances 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 4
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 3
- 238000009413 insulation Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Contacts (AREA)
Abstract
The invention discloses a control isolated form high-pressure mechanical switch which comprises a positive pole, a negative pole and outer insulating cylinders. The outer insulating cylinders are placed on two sides in pairs; the negative pole is connected on the inner rims of the upper ends of the outer insulating cylinders, and the positive pole is connected on the inner rims of the lower ends of the insulating cylinders; the positive pole, the negative pole and the insulating cylinders form a seal working cavity, and transformer oil is filled in the cavity; and the negative pole is provided with a groove with an upward opening, and a driving electromagnet is covered in the groove.
Description
Technical field
The invention belongs to a kind of control isolated form high-pressure machinery switch, be specifically related to a kind of low inductance fast rise time Electromagnetic Drive mechanical switch for compact electromagnetic pulse simulator.
Background technology
Switch is the Primary Component in technical field of pulse power, and it is connected to energy storage device and load.The performance impact of switch rise time of output voltage waveforms, shape and amplitude.The high-voltage switch gear be applied in pulse power field has gas switch, vacuum switch, semiconductor switch, mechanical switch etc., and the requirement of different application scenarios to switch performance and type is also different.In compact electromagnetic impulse source, require the low inductance of switch, high withstand voltage, compact conformation, control simple and reliable.
Mechanical switch as the one of high-voltage switch gear, because of have structure simple, make and control the advantages such as convenience, dependable performance, open moment precision and the not high occasion of operating frequency requirements is widely used in control.Mechanical switch has two electrode structures and three-electrode structure two kinds of forms usually, and dielectric comprises transformer oil, deionized water, air, SF6 etc.Triggering mode often adopts Electromagnetic Drive, also can adopt manually or gas-powered.Manual mechanical switch because of poor stability, puncture dispersed large, affect the reasons such as large by operating personnel's level, less in the electromagnetic pulse source domain application requiring output voltage pulse front edge very fast.The air-path control system that gas-powered machinery switch needs a whole set of supporting, adds volume and the complexity of whole system, runs counter to the development trend of electromagnetic impulse source miniaturization, densification.Therefore, the mechanical switch be applied in compact electromagnetic impulse source adopts electromagnetic drive mode usually.
Conventional electromagnetic drive mode fixes one or two electrode, and another one main electrode or trigger electrode are directly connected by the electromagnet of dielectric with band slip iron core.When after electromagnet coil power, slip iron core drives travelling electrode to move to fixed electrode under electromagnetic force, makes switch conduction.Such switch electromagnet used makes slidably iron core be subjected to displacement because needing enough spaces, so trigger architecture volume is comparatively large, what cause construction of switch to do is very compact.Meanwhile, because electromagnet is directly connected with sparking electrode, very easily there is insulation damages.For the problems referred to above, the invention provides a kind of employing sucked type electromagnet, with the electromagnet Drive Structure of control electrode non-direct contact.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is that providing a kind of controls isolated form high-pressure machinery switch, and drive magnet is isolated with control motor.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that a kind of control isolated form high-pressure machinery switch, it is characterized in that, comprise anode, negative electrode, external insulation cylinder, this external insulation cylinder is arranged in pairs in both sides, the inner edge, upper end of external insulation cylinder is connected with negative electrode, inner edge, lower end jointed anode; This anode, negative electrode and external insulation cylinder form seal operation cavity, are filled with transformer oil in cavity; Negative electrode is provided with the groove of opening upwards, is provided with the drive magnet being enclosed with insulating case in this groove.
Further, described anode includes anode pedestal, capping, sliding electrode and spring, and anode pedestal is provided with open recess, and sliding electrode is encapsulated in groove by capping, and anode pedestal is connected with being resetted by elastomeric element between capping.
Further, described sliding electrode is inlaid with a cylinder type neodymium iron boron permanent magnet.
Further, the contact portion between described sliding electrode with anode pedestal is corresponding is arranged to dentation.
Further, the bottom of described anode offers steam vent.
Further, the material of described anode pedestal, capping, negative electrode is brass.
Further, the material of described insulating case is nylon.
Further, the edge of described capping and sliding electrode is provided with chamfering.
The technique effect that the present invention reaches is as follows:
1, drive magnet of the present invention and control electrode non-direct contact, achieve the physical isolation of control, avoid the fault caused because control electrode is directly connected with electromagnet dexterously.
2, drive magnet of the present invention is encapsulated in cathode cavity, drastically increases the anti-electromagnetic interference capability of drive circuit.
3, drive magnet of the present invention adopts sucked type structure, not containing slip iron core, becomes body and insulate, greatly reduce the volume of drive circuit, make construction of switch compacter with electrode insulation mode.
4, the present invention adopts two electrode switch forms, and structure is compacter, installs with more convenient to operate.
5, sliding electrode and anode base into contact part are processed into dentation, reduce the frictional force between sliding electrode and anode base cavity and surface liquid tension force, in sliding electrode, inlay a permanent magnetic material simultaneously, sliding electrode can be moved under very little electromagnetic traction power.
6, fill transformer oil in switch cavity of the present invention, chamber outer surface is designed with groove, drastically increases the withstand voltage level of switch, and make construction of switch compacter, loop inductance is less, is more conducive to the generation of fast pulse.
Accompanying drawing explanation
Fig. 1 is that the present invention controls isolated form high-pressure machinery switch structure diagram;
Fig. 2 is the front view of sliding electrode;
Fig. 3 is the cutaway view at the A-A place of Fig. 2.
Reference numeral is as follows: 1-anode pedestal, the capping of 2-anode, 3-sliding electrode, 4-spring, 5-negative electrode, 6-electromagnet insulating case, 7-transformer oil, 8-external insulation cylinder, 9-sealing ring, 10-steam vent, 11-Nd-Fe-B permanent magnet, 12-electromagnet sucker, 13-electromagnet casing, 14-electromagnet coil.
Embodiment
Operation principle of the present invention is: during switch, and anode is in high potential, and negative electrode is in electronegative potential.When after drive magnet energising, produce high-intensity magnetic field; High-intensity magnetic field, through brass negative electrode, is drawn to cathode surface by the carbon steel sliding electrode of surface anode; Switch conduction.When after drive magnet power-off, high-intensity magnetic field disappears; Sliding electrode leaves negative electrode under action of reset spring, sets back; Switch disconnects.Below in conjunction with accompanying drawing, the present invention is further described:
As shown in Figure 1, for invention controls isolated form high-pressure machinery switch, comprise anode, negative electrode 5, external insulation cylinder 8, this external insulation cylinder 8 is arranged in pairs in both sides, and the inner edge, upper end of external insulation cylinder 8 is connected with negative electrode 5, inner edge, lower end jointed anode; This anode, negative electrode 5 form seal operation cavity with external insulation cylinder 8, are filled with transformer oil 7 in cavity; Negative electrode 5 is provided with the groove of opening upwards, is provided with the drive magnet being enclosed with electromagnet insulating case 6 in this groove.
External insulation cylinder 8 of the present invention adopts the pmma material that good insulation preformance, mechanical strength are higher, outer surface has multiple tracks groove, increase the creepage distance of insulating cylinder outer surface, improve external insulation tube outer surface withstand voltage level, 8 two ends of external insulation cylinder have internal thread, be used for jointed anode pedestal 1 and negative electrode 5, external insulation cylinder 8 has with the joint face of anode pedestal 1 and negative electrode 5 groove placing sealing ring 9.Anode pedestal 1 of the present invention, anode capping 2 and negative electrode 3 adopt brass material, and anode pedestal and negative electrode all have external screw thread, to be connected and by fastening press seal circle 9 by screw thread with external insulation cylinder 8.
Anode pedestal 1 center of the present invention is the groove of an opening towards negative electrode 5, and place sliding electrode 3 and the flexible member of carbon steel material in groove, in the present embodiment, flexible member is spring 4, also can be other existing structures.Sliding electrode 3 internal cavity inlays a cylinder type neodymium iron boron permanent magnet 11.The top chamfering of sliding electrode 3, composition graphs 2 and Fig. 3, sliding electrode edge designs becomes dentation.Groove threadingly connects the anode capping 2 of center drilling, edge chamfer outward, anode capping 2 makes sliding electrode 3 can only along the axial motion of anode pedestal 1 inner chamber body, and the edge chamfer of anode capping 2 and sliding electrode 3 can make Electric Field Distribution between switch main electrode even.Back-moving spring 4 is installed between sliding electrode 3 base and anode capping 3.When after drive magnet power-off, sliding electrode returns to original position under the action of the spring, makes switch recover resistance to pressure condition.Electromagnet is arranged in negative electrode, adopts insulating case and negative electrode to isolate.This edge sheath is made up of the nylon material of high insulation resistance.
Switch negative electrode 5 is processed by the brass material of high conductivity, non-ferromagnetic substance.Anode peripheral structure is made up of brass, and sliding electrode 3 adopts strong ferromagnetic metallic conductor carbon steel to be made.Switch external insulation cylinder 8 adopts that mechanical strength is high, the pmma material of good insulation preformance.Drive magnet adopts center not have the small-sized sucked type electromagnet of slidably iron core.
Sliding electrode 3 and anode pedestal 1 contact portion are processed into dentation, for discharging the gas of anode pedestal 1 inside cavity, reduce the frictional force between sliding electrode 3 and anode pedestal 1 cavity and surface liquid tension force simultaneously.A cylindrical form permanent magnetic material is inlayed, to strengthen drive magnet adhesive effect in sliding electrode 3.Bottom anode, the position of touching with polymethyl methacrylate external insulation socket joint begins to rehearse pore 10, and unnecessary bubble in switch cavity when filling transformer oil to get rid of, adopts nut and polytetrafluoroethylraw raw material band to seal afterwards.
Composition graphs 1, the sucked type drive magnet of control section of the present invention comprises electromagnet sucker 12, electromagnet casing 13, electromagnet coil 14, the outside of electromagnet 12 is around there being electromagnet coil 14, electromagnet casing is arranged on outside electromagnet coil 14, whole drive magnet is placed in the electromagnet insulating case 6 of employing high insulation resistance nylon making, and adopt poured with epoxy resin to encapsulate, this nylon insulating case 6 lower end is placed in hollow cathode cylinder, and exposed portion, upper end is designed with annular groove.
Composition graphs 1, adopts in main electrode cavity of the present invention transformer oil 7 as dielectric, is used for improving the withstand voltage level of anode and negative electrode.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (7)
1. control an isolated form high-pressure machinery switch, it is characterized in that, comprise anode, negative electrode, external insulation cylinder, this anode, negative electrode are arranged at the both sides of this external insulation cylinder, and the inner edge, upper end of external insulation cylinder is connected with negative electrode, inner edge, lower end jointed anode; This anode, negative electrode and external insulation cylinder form seal operation cavity, are filled with transformer oil in cavity; Negative electrode is provided with the groove of opening upwards, the drive magnet being enclosed with insulating case is provided with in this groove, described anode includes anode pedestal, capping, sliding electrode and spring, anode pedestal is provided with open recess, sliding electrode is encapsulated in groove by capping, and anode pedestal is connected with being resetted by elastomeric element between capping.
2. control isolated form high-pressure machinery switch as claimed in claim 1, it is characterized in that, described sliding electrode is inlaid with a cylinder type neodymium iron boron permanent magnet.
3. control isolated form high-pressure machinery switch as claimed in claim 1, it is characterized in that, the contact portion between described sliding electrode with anode pedestal is corresponding is arranged to dentation.
4. control isolated form high-pressure machinery switch as claimed in claim 1, it is characterized in that, the bottom of described anode offers steam vent.
5. control isolated form high-pressure machinery switch as claimed in claim 1, it is characterized in that, the material of described anode pedestal, capping, negative electrode is brass.
6. control isolated form high-pressure machinery switch as claimed in claim 1, it is characterized in that, the material of described insulating case is nylon.
7. control isolated form high-pressure machinery switch as claimed in claim 1, it is characterized in that, the edge of described capping and sliding electrode is provided with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089843.9A CN103198942B (en) | 2013-03-20 | 2013-03-20 | Control isolated form high-pressure mechanical switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089843.9A CN103198942B (en) | 2013-03-20 | 2013-03-20 | Control isolated form high-pressure mechanical switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103198942A CN103198942A (en) | 2013-07-10 |
| CN103198942B true CN103198942B (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310089843.9A Expired - Fee Related CN103198942B (en) | 2013-03-20 | 2013-03-20 | Control isolated form high-pressure mechanical switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103198942B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564761B (en) * | 2017-10-20 | 2019-12-17 | 国网新疆电力公司阿勒泰供电公司 | Automatic load switch, control system thereof and open-circuit state and on-state method |
| CN112498783B (en) * | 2020-12-10 | 2022-05-06 | 安徽航嘉汽车零部件制造有限公司 | Passively-unfolded winding device for aluminum foil corrugated pipe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1114385A (en) * | 1954-09-18 | 1956-04-11 | Labinal Ets | Waterproof switch |
| US4128823A (en) * | 1975-12-25 | 1978-12-05 | Fujitsu Limited | Switch |
| US5903203A (en) * | 1997-08-06 | 1999-05-11 | Elenbaas; George H. | Electromechanical switch |
| CN101452793A (en) * | 2007-11-29 | 2009-06-10 | 周柔刚 | Oil protection direct-action electricity relay |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2623673B2 (en) * | 1988-04-19 | 1997-06-25 | オムロン株式会社 | Electromagnetic relay |
-
2013
- 2013-03-20 CN CN201310089843.9A patent/CN103198942B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1114385A (en) * | 1954-09-18 | 1956-04-11 | Labinal Ets | Waterproof switch |
| US4128823A (en) * | 1975-12-25 | 1978-12-05 | Fujitsu Limited | Switch |
| US5903203A (en) * | 1997-08-06 | 1999-05-11 | Elenbaas; George H. | Electromechanical switch |
| CN101452793A (en) * | 2007-11-29 | 2009-06-10 | 周柔刚 | Oil protection direct-action electricity relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103198942A (en) | 2013-07-10 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20150610 |