CN108346974B - A kind of high pressure pulse discharge rotary switch and its application method - Google Patents
A kind of high pressure pulse discharge rotary switch and its application method Download PDFInfo
- Publication number
- CN108346974B CN108346974B CN201810384000.4A CN201810384000A CN108346974B CN 108346974 B CN108346974 B CN 108346974B CN 201810384000 A CN201810384000 A CN 201810384000A CN 108346974 B CN108346974 B CN 108346974B
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- main shaft
- electrode
- motor
- microprocessor
- shell
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T7/00—Rotary spark gaps, i.e. devices having one or more rotating electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T1/00—Details of spark gaps
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- Elimination Of Static Electricity (AREA)
Abstract
The present invention discloses a mesohigh pulsed discharge rotary switch and its application method, including shell, main shaft, motor, wireless telecom equipment, microprocessor；The end cap of shell is equipped with binding post, and shell ends bottom is equipped with several electrodes, is respectively equipped with detection device on electrode；Main shaft is pivotably coupled to the end cap of shell and the rotary shaft of the motor around own axes, and it is located on the shaft part of enclosure interior and coaxially fixes a conductance stick, it is attached being equipped with guide rail, guide rail and binding post on the main shaft at conductance stick by connecting equipment；Motor, wireless telecom equipment and detection device are electrically connected with microprocessor respectively.The present invention realizes any of multiple ports of connection of the circuit on one side property of can choose, so that the switching function completely, work efficiency is high, can frequency operation, also remote control switch is realized using wireless telecom equipment and one chip microcomputer, reduce a possibility that artificial manipulation interferes, safety with higher.
Description
Technical field
The present invention relates to a kind of high pressure pulse discharge switch, in particular to a kind of high pressure pulse discharge rotary switch and its make
Use method.
Background technique
Currently, high-voltage switch gear manufacturing total industrial output value increases year by year, year-on-year growth rate 10% or more, protect by industry
Faster development speed is held, demand increases year by year, causes intensified competition, raw material, human cost however as excess capacity
Continuous rising, China's High-voltage Switchgear Industry is as though treading on thin ice, and the decline of the price that thus causes, declination of profits go to one by the whole industry
A crossroad.Under the new situation, the construction of smart grid and extra-high voltage is to the miniaturization of switch, reliability, automation, intelligence
It puts forward new requirements, this requires more smaller, more reliable, more automation, more intelligent high-voltage switch gears and gushes out city
?.
However, it is 3~10kV for cut-offfing and closing that most high-voltage switch gears in the market, which are mainly for voltage rating,
The electric appliance of galvanic circle mainly takes the mode control switch of manual operation handle to cut-off, causes human interference factor excessive, pole
It influences the degree of automation and accurate controlling extent, it is difficult to reach high speed and accurate calculate controls, and not be suitable for frequently grasping
Make.
There are also some special occasions such as under high pressure to need the case where switching route, such high-voltage switch gear just needs
Original structure is removed, accesses new route again, whole process is cumbersome and wastes material resources manpower, is needing frequent switching route
In the case where be then that can not be competent at completely.
As Chinese patent (CN200810118084.3) discloses a kind of multi-electrode rotation fire for high-voltage pulse power source
Flower gap switch, belongs to technical field of pulse power.The switch includes stator, rotor, rotor pin electrode, stator pin electrode, driving
Motor.2N layers of pin electrode are installed respectively on stator and rotor, every layer of uniform M stator pin electrode of installation and with leading on stator
Line, which is connected, keeps same current potential；One rotor pin electrode of every layer of installation, two rotor pin electrode phases of adjacent two layers on rotor
Poor 180 ° of mechanical angles, and be connected directly with conducting wire and keep same current potential, motor drives rotor to rotate to rotor pin electrode and determine
Switch conduction when sub- pin electrode is opposite.The switch has drop-out voltage, cut-offs power and repeated work frequency height, to a certain degree
On solve the above problem, but the high-voltage switch gear can only meet multiple groups one-one relationship, i.e. one end can and can only arrive the other end,
When encountering many-one relationship, it can not realize well.
Therefore, how a kind of voltage rating is provided and reaches 10kV or more, and is able to satisfy many-one relationship, i.e., circuit on one side can
With one in the multiple ports of connection of selectivity, and high automation, diminution occupied space are applicable to the high pressure of frequent operation
Switch, is a technical problem that technical personnel in the field need to solve at present.
Summary of the invention
In response to the problems existing in the prior art, the purpose of the present invention is to provide a kind of high pressure pulse discharge rotary switch and its
Application method；The voltage rating of the high pressure pulse discharge rotary switch reaches 10kV or more, and is able to satisfy many-one relationship, i.e., electric
One in the multiple ports of connection of road one end property of can choose, function is complete, convenient, has high security and highly automated
Change, is applicable to frequent operation, and at low cost, easy to operate, occupied space is few.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of high pressure pulse discharge rotary switch, including shell
Body, main shaft, motor, wireless telecom equipment, microprocessor；The end cap of the shell is equipped with binding post, the ruler of the binding post
Very little to be arranged different values according to specific application places, the end bottom of the shell is equipped with several electrodes, on the electrode
It is respectively equipped with detection device；The main shaft is pivotably coupled to the rotation of the end cap and the motor of the shell around own axes
Shaft, and be located on the shaft part of the enclosure interior and coaxially fix a conductance stick, the size of the conductance stick can be according to tool
Different values is arranged in the application places of body, is equipped with guide rail on the main shaft at the conductance stick, the guide rail and described connects
Terminal is attached by connecting equipment；The motor, the wireless telecom equipment and the detection device respectively with it is described micro-
The electrical connection of type processor；Several electrodes are evenly distributed in the end bottom that disc edge is formed when conductance stick rotation,
And the electrode and the disc edge, there are certain interval, the gap is much smaller than the critical distance of high-voltage breakdown air；
The distance difference of several described electrodes to the main shaft is equal, and is greater than the critical distance of high-voltage breakdown air；It is adjacent described
The distance between electrode is greater than the critical distance of high-voltage breakdown air.
The invention drives main shaft rotation by the motor, so that the conductance stick does circumference fortune centered on the main shaft
Dynamic, the electrode fixed with end bottom is close respectively, punctures the electric discharge that the electric spark that air generates is formed by electrode by high voltage
Path carries out connection circuit；Any of the multiple ports of connection for realizing the circuit on one side property of can choose, so that the switch
Function is completely, work efficiency is high, and since motor directly controls, so that high degree of automation, safety index is high；Utilize wireless communication
Equipment and microprocessor realize long-range control, reduce a possibility that artificial manipulation interferes, greatly improve accurate control
Degree, convenience.
Specifically, the shell can be set to different shape and structures, as long as can accommodate in the inner cavity of the shell
Main shaft and the realization of conductance pole member are freely rotated, and are preferably set to tubular structure；
Specifically, the microprocessor is single-chip microcontroller, for controlling motor, receiving processing wireless telecom equipment and detection
Equipment is transmitted through the signal come；
Specifically, the wireless telecom equipment is bluetooth equipment, wifi, ZigBee etc. are realized for wirelessly communicating
With the communication of host computer, and by information conveyance to microprocessor, to realize remote wireless control.
Specifically, the detection device is current sensor, voltage sensor or Magnetic Sensor；The detection device is with absolutely
It after edge material package, is fixed on the electrode, while can also be fixed in different ways, such as bonding, clamping
Deng.Microprocessor is passed to for detecting electrode state, and by status signal.
Specifically, the connection equipment is hard brush, for realizing the connection between rotary part and stationary parts,
Complete the connection of binding post and guide rail；
Specifically, the binding post is fixed by the screwed hole of end cap, while can also be by different
Mode is fixed on end cap, such as bonding, clamping etc., which is connected by the binding post with external equipment.
Further, the conductance stick is fixedly connected by screwed hole in the main shaft.If there is pine
It is dynamic to be fixed again with insulating cement, while can also use different modes that conductance stick is fixed on inside main shaft, such as
It snaps connection, be bonded.
Further, so that conductance stick is when close to electrode, the electrical fire that air generates is punctured by electrode by high voltage
Discharge path can be formed by, which spending, carries out connection circuit.
Further, the electrode is fixed by the threaded hole at the shell ends bottom.It can if there is loosening
To use insulating cement to fix again, while different modes can also be used the end bottom of the fixed shell of the electrode, example
It is such as bonded, snaps connection.
Further, the guide rail is circular annular form structure, is embedded in the first groove of main shaft, and the guide rail and position
The conductance stick moment inside the main shaft is connected.
Further, the housing end plug is equipped with the bearing for being used to support the main shaft rotation.For supports main shaft rotation
Body reduces the coefficient of friction in its motion process, and guarantees its rotating accuracy.
Further, the shell ends bottom is equipped with the second groove of the fixed main shaft.The main shaft is revolving in order to prevent
Deviate during turning.
The working principle of the high pressure pulse discharge rotary switch are as follows: it is connected between binding post and guide rail by connection equipment,
Connection at the time of realizing rotary part and stationary parts, guide rail and conductance stick are in same route, i.e. binding post, guide rail and conductance
Stick is same route, is denoted as main line.Multiple electrodes can be separately connected periphery circuit, be denoted as route A, route B ... respectively；
Main shaft is driven to rotate together by hookup when the motor rotates, lead rod also does circle swing therewith, pastes in lead rod
When the nearly electrode A, the discharge path that the electric spark that air generates is formed is punctured by electrode by high voltage and carries out connection electricity
Road thereby realizes the conducting of main line and route A.After continuing to rotate, main line and route A are disconnected, in lead rod close to the electricity
When the B of pole, the conducting of main line and route B is realized.And so on, it realizes route and simply switches, i.e., circuit on one side can choose
Any of the multiple ports of connection of property.
The work step of the high pressure pulse discharge rotary switch are as follows:
(a) power supply is provided for microprocessor and motor driven, carries out working condition；
(b) microprocessor executes initialization operation, the motor rotation is controlled, when the telecommunications that detection device returns
It number mutates, in conjunction with unique address of the detection device, i.e. to can determine that conductance stick has been rotated into the detection device corresponding
The position of electrode, after microprocessor calculates, control motor rotates conductance stick to specified initial position；
(c) microprocessor be in etc. the wireless communication device delivery information state to be subjected；
(d) after the wireless telecom equipment receives working signal, useful signal is passed into the microprocessor；
(e) after the microprocessor receives signal and handles, according to the difference for receiving signal, control of correspondent program is executed
The motor carries out corresponding predefined rotation；Main shaft is driven to rotate together by hookup when the motor rotates, conductance stick
Also circle swing is done therewith, when close to the electrode, the electric spark that air generates is punctured by electrode by high voltage and is formed
Discharge path carry out connection circuit；
(f) after the microprocessor has executed program, the electric signal mutation number passed back according to the detection device with
It is preset value relatively after, determine whether that mistake occurs, such as occur mistake, then the microprocessor pass through the channel radio
Letter equipment, which is sent, to be executed error signal and turns to skip to (b), such as errorless, then turns to skip to (c).
Compared with prior art, the beneficial effects of the present invention are: (1) drives main axis by motor, so that the electricity
Lead rod is moved in a circle centered on the main shaft, and the electrode fixed with end bottom is close respectively, is hit by high voltage by electrode
Wear the discharge path progress connection circuit that the electric spark of air generation is formed；The connection for realizing the circuit on one side property of can choose is more
Any of a port, so that the switching function is complete, work efficiency is high, can frequency operation；(2) by being fixed on electrode
On detection device can with real-time detection switch working condition, if occur mistake in time fed back to by microprocessor it is upper
Machine increases the safety of the switch use process；(3) high pressure pulse discharge rotary switch utilizes wireless telecom equipment and miniature
Processor realizes remote control switch, reduces a possibility that artificial manipulation interferes, and greatly improves accurate controlling extent, just
Victory and the degree of automation.
Detailed description of the invention
Fig. 1 is the longitudinal sectional view of the high pressure pulse discharge rotary switch in the specific embodiment of the invention；
Fig. 2 is the work step of the specific embodiment of the invention.
In figure: 1, electrode, 2, shell, 3, binding post, 4, bluetooth equipment, 5, one chip microcomputer, 6, motor, 7, main shaft, 8,
Bearing, 9, guide rail, 10, hard brush, 11, conductance stick, 12, current sensor, the 13, first groove, the 14, second groove.
Specific embodiment
Below in conjunction with the attached drawing in the present invention, technical solution of the present invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, those of ordinary skill in the art's all other embodiment obtained under the conditions of not making creative work belong to
The scope of protection of the invention.
Embodiment 1
Such as Fig. 1, a kind of high pressure pulse discharge rotary switch, including shell 2, main shaft 7, motor 6, bluetooth equipment 4, miniature list
Piece machine 5, the shell 2 are cylindrical structure, meet main shaft and conductance stick is driven to rotate freely in the inner cavity of cylinder, the shell 2
End cap be equipped with binding post 3, the end bottom of the shell 2 is equipped with electrode 1, is respectively equipped with current sensor 12 on the electrode 1；Institute
It states main shaft 7 and is pivotably coupled to the end cap of the shell 2 and the rotary shaft of the motor 6 around own axes, and be located at described
A conductance stick 11 is coaxially fixed on shaft part inside shell 2, and guide rail 9 is being equipped on the main shaft 7 at the conductance stick 11,
The guide rail 9 and the binding post 3 are attached by hard brush 10；The motor 6, the bluetooth equipment 4 and the electricity
Flow sensor 12 is electrically connected with the one chip microcomputer 6 respectively.
Distance, the size of conductance stick 11 can be according to applied fields between 3 size of binding post, the number of electrode 1, electrode 1
Different values is arranged in the difference of scape, and in the present embodiment, the length of binding post 3 is 1cm, and the number of electrode 1 is 2, between electrode 1
Distance is 21cm, and the length of conductance stick 11 is 10cm, diameter 5mm；
The conductance stick 11 can be accomplished in several ways with the main shaft 7 and connect, such as snaps connection, is bonded,
Preferably, in the present embodiment, the conductance stick 11 is fixedly connected by screwed hole in the main shaft 7.If going out
Now loosening can also be fixed again with insulating cement.
The binding post 3 can be accomplished in several ways with the end cap of the shell 2 and connect, such as snaps connection, glues
It connects, it is preferable that in the present embodiment, the binding post 2 is fixed by the screwed hole of 2 end cap of shell, if occurring
Loosening can also be fixed again with insulating cement.
The electrode 1 is evenly distributed in the end bottom that disc edge is formed when the conductance stick 11 rotation, and the electricity
Pole 1 is 5mm there are certain interval with the disc edge, and the gap is much smaller than the critical distance of high-voltage breakdown air.Make
Conductance stick 11 is obtained when close to electrode 1, road of discharging can be formed by puncturing the electric spark that air generates by electrode 1 by high voltage
Diameter carries out connection circuit.
The distance difference of the electrode 1 to the main shaft 7 is equal, is 10.5cm, and be greater than the pole of high-voltage breakdown air
Range line from.
The electrode 1 can be accomplished in several ways with the end bottom of the shell 2 and connect, such as snaps connection, is bonded
Deng, it is preferable that in the present embodiment, the electrode 1 is fixed by the threaded hole at the 2 end bottom of shell.If occurring
Loosening can be used insulating cement and fix again.
The distance between described adjacent electrode 1 is greater than the critical distance of high-voltage breakdown air.
The guide rail 9 be circular annular form structure, be embedded in the first groove 13 of main shaft 7, and the guide rail 9 be located at institute
Stating 11 moment of conductance stick inside main shaft 7 is connected.
Further, 2 end cap of shell, which is equipped with, is used to support the bearing 8 that the main shaft 7 rotates.For supports main shaft 7
Rotary body reduces the coefficient of friction in its motion process, and guarantees its rotating accuracy.
Further, the 2 end bottom of shell is equipped with the second groove 14 of the fixed main shaft 7.The main shaft 7 in order to prevent
Deviate during rotation.
The principle of rotary high pressure electric spark switch is as follows:
It is connected between binding post 3 and guide rail 9 by hard brush 10, is joined at the time of realizing rotary part with stationary parts
Logical, guide rail 9 is again and lead rod 11 is in same route, i.e. binding post 3, guide rail 9 and conductance stick 11 is same route, is denoted as main line.
Multiple electrodes 1 can be separately connected periphery circuit, be denoted as route A, route B ... respectively；
Main shaft 7 is driven to rotate together by hookup when motor 6 is rotated, conductance stick 11 also does circle swing therewith,
When conductance stick 11 is close to the electrode 1, the discharge path that the electric spark that air generates is formed is punctured by electrode 1 by high voltage
Connection circuit is carried out, the conducting of main line and route A is thereby realized.After continuing to rotate, main line and route A are disconnected, in conductance
When stick 11 is close to the electrode B, the conducting of main line and route B is realized.And so on, route can be realized and simply switch.
Such as Fig. 2, the work step of the high pressure pulse discharge rotary switch are as follows:
(a) power supply is provided for one chip microcomputer 5 and the driving of motor 6, carries out working condition；
(b) one chip microcomputer 5 executes initialization operation, controls the motor 6 and rotates, when current sensor 12 returns
Electric signal mutate, in conjunction with the current sensor 12 unique address i.e. can determine that conductance stick 11 has been rotated into the electricity
The position of the corresponding electrode of flow sensor 12, after the calculating of one chip microcomputer 5, control motor 6 rotates conductance stick 11 to specified
Initial position；
(c) one chip microcomputer 5 bluetooth equipment 4 to be subjected such as is in and transmits information state；
(d) after the bluetooth equipment 4 receives working signal, useful signal is passed into the one chip microcomputer 5；
(e) after the one chip microcomputer 5 receives signal and handles, according to the difference for receiving signal, corresponding program control is executed
It makes the motor 6 and carries out corresponding predefined rotation.Main shaft 7 is driven to rotate together by hookup when the motor 6 rotates, electricity
Lead rod 11 also does circle swing therewith, when close to the electrode 1, punctures the electricity that air generates by electrode 1 by high voltage
The discharge path that spark is formed carries out connection circuit；
(f) it after the one chip microcomputer 6 has executed program, is mutated according to the electric signal that the current sensor 12 is passed back secondary
After number is compared with preset value, determine whether that mistake occurs, mistake such as occurs, then the one chip microcomputer 5 passes through described
Bluetooth equipment 4, which is sent, to be executed error signal and turns to skip to (b), such as errorless, then turns to skip to (c).
The present invention drives main shaft 7 to rotate by motor 6, so that the conductance stick 11 does circumference centered on the main shaft 7
Movement, the electrode 1 fixed with 2 end bottom of shell is close respectively, punctures the electrical fire flower-shape that air generates by electrode 1 by high voltage
At discharge path carry out connection circuit；Any of the multiple ports of connection for realizing the circuit on one side property of can choose, make
The switching function completely, work efficiency is high, can frequency operation；It can be with by the current sensor 12 that is fixed on electrode 1
The working condition of real-time detection switch increases the switch if mistake, which occurs, feeds back to host computer by one chip microcomputer 5 in time
The safety of use process, reliability；High pressure pulse discharge rotary switch is realized far using bluetooth equipment 4 and one chip microcomputer 5
Process control switch reduces a possibility that artificial manipulation interferes, greatly improves accurate controlling extent, convenience and automation
Degree.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of high pressure pulse discharge rotary switch, characterized in that including shell, main shaft, motor, wireless telecom equipment, miniature
Processor；The end cap of the shell is equipped with binding post, and the end bottom of the shell is equipped with several electrodes, sets respectively on the electrode
There is detection device；The main shaft is pivotably coupled to the end cap of the shell and the rotary shaft of the motor around own axes,
And be located on the shaft part of the enclosure interior and coaxially fix a conductance stick, it is led being equipped on the main shaft at the conductance stick
Rail, the guide rail and the binding post are attached by connecting equipment；The motor, the wireless telecom equipment and the inspection
Measurement equipment is electrically connected with the microprocessor respectively；Several electrodes are formed when being evenly distributed in conductance stick rotation
The end bottom of disc edge, and the electrode and the disc edge, there are certain interval, the gap is hit much smaller than high pressure
Wear the critical distance of air；The distance difference of several described electrodes to the main shaft is equal, and is greater than high-voltage breakdown air
Critical distance；The distance between adjacent described electrode is greater than the critical distance of high-voltage breakdown air.
2. a kind of high pressure pulse discharge rotary switch according to claim 1, characterized in that the conductance stick passes through described
Screwed hole is fixedly connected in main shaft.
3. a kind of high pressure pulse discharge rotary switch according to claim 1, characterized in that the electrode passes through the shell
The threaded hole in body bottom end is fixed.
4. a kind of high pressure pulse discharge rotary switch according to claim 1, characterized in that the guide rail is circular annular form
Structure is embedded in the first groove of main shaft, and the guide rail is connected with the conductance stick moment being located inside the main shaft.
5. a kind of high pressure pulse discharge rotary switch according to claim 1, characterized in that the housing end plug, which is equipped with, to be used
In the bearing for supporting the main shaft rotation.
6. a kind of high pressure pulse discharge rotary switch according to claim 1, characterized in that the housing bottom is equipped with solid
Second groove of the fixed main shaft.
7. a kind of application method of high pressure pulse discharge rotary switch according to claim 1-6, characterized in that
(a) power supply is provided for microprocessor and motor driven, carries out working condition；
(b) microprocessor executes initialization operation, controls the motor rotation, when the electric signal hair that detection device returns
Raw mutation can determine that conductance stick has been rotated into the corresponding electrode of the detection device in conjunction with unique address of the detection device
Position, after microprocessor calculates, control motor conductance stick is rotated to specified initial position；
(c) microprocessor be in etc. the wireless communication device delivery information state to be subjected；
(d) after the wireless telecom equipment receives working signal, useful signal is passed into the microprocessor；
(e) it after the microprocessor receives signal and handles, according to the difference for receiving signal, executes described in control of correspondent program
Motor carries out corresponding predefined rotation；The motor rotate when by hookup drive main shaft rotate together, conductance stick also with
Do circle swing, when close to the electrode, putting for electric spark formation that air generates is punctured by electrode by high voltage
Power path carries out connection circuit；
(f) after the microprocessor has executed program, the electric signal mutation number passed back according to the detection device and in advance
The value of setting relatively after, determine whether that mistake occurs, such as occur mistake, then the microprocessor by it is described wireless communication set
Preparation, which is sent, to be executed error signal and turns to skip to (b), such as errorless, then turns to skip to (c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384000.4A CN108346974B (en) | 2018-04-26 | 2018-04-26 | A kind of high pressure pulse discharge rotary switch and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384000.4A CN108346974B (en) | 2018-04-26 | 2018-04-26 | A kind of high pressure pulse discharge rotary switch and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108346974A CN108346974A (en) | 2018-07-31 |
| CN108346974B true CN108346974B (en) | 2019-10-01 |
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| CN201810384000.4A Expired - Fee Related CN108346974B (en) | 2018-04-26 | 2018-04-26 | A kind of high pressure pulse discharge rotary switch and its application method |
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| CN109034971A (en) * | 2018-07-23 | 2018-12-18 | 河海大学文天学院 | A kind of shopping cart management system and working method based on supermarket's member's cassette |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2169951Y (en) * | 1993-03-27 | 1994-06-22 | 牡丹江市光电技术研究所 | High anti-interference photoelectric control high voltage pulse generator |
| CN2196829Y (en) * | 1994-08-24 | 1995-05-10 | 牡丹江市光电技术研究所 | Multi-channel rotary switch |
| CN101340063B (en) * | 2008-08-11 | 2011-11-09 | 北京交通大学 | Multi-electrode rotary arrester switch for high-voltage impulse power source |
| CN202737316U (en) * | 2012-06-04 | 2013-02-13 | 中国工程物理研究院应用电子学研究所 | Rotating-electrode gas spark gap switch |
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