CN103092099B - Intelligent high-speed switch and intelligent high-speed on-off control system - Google Patents
Intelligent high-speed switch and intelligent high-speed on-off control system Download PDFInfo
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- CN103092099B CN103092099B CN201310007542.7A CN201310007542A CN103092099B CN 103092099 B CN103092099 B CN 103092099B CN 201310007542 A CN201310007542 A CN 201310007542A CN 103092099 B CN103092099 B CN 103092099B
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 23
- 229910052710 silicon Inorganic materials 0.000 claims description 23
- 239000010703 silicon Substances 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 20
- 230000005426 magnetic field effect Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 description 9
- 238000010891 electric arc Methods 0.000 description 2
- 102100034088 40S ribosomal protein S4, X isoform Human genes 0.000 description 1
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 description 1
- 101000732165 Homo sapiens 40S ribosomal protein S4, X isoform Proteins 0.000 description 1
- 101150105073 SCR1 gene Proteins 0.000 description 1
- 101100134054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) NTG1 gene Proteins 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The invention discloses a kind of intelligent high-speed switch and intelligent high-speed on-off control system.This intelligent high-speed switch comprises: mechanical switch; Electronic switch, in parallel with this mechanical switch, wherein, when this intelligent high-speed switch is in off-state, this mechanical switch and this electronic switch are all in off-state, when this intelligent high-speed switch receive connect order time, first this electronic switch is connected, and then when the voltage at these mechanical switch two ends becomes the state of this electronic switch conduction voltage drop, this mechanical switch is connected; When this intelligent high-speed switch receives ON-and OFF-command, first this mechanical switch disconnects bearing under this electronic switch conduction voltage drop, and after this mechanical switch disconnects, this electronic switch disconnects.Invention increases the reliability of switch.
Description
Technical field
The present invention relates to electric field, in particular to a kind of intelligent high-speed switch and intelligent high-speed on-off control system.
Background technology
The now widely used mechanical switch deciliter time, all more than a few tens of milliseconds, when connecting, dividing deenergizing, can produce the phenomenon of high-tension electricity arcing contact, greatly reduce the serviceable life of mechanical switch, thus reduce the reliability of mechanical switch; And common electronic switch is owing to adopting controllable semiconductor device, thermal capacity is less, can produce more heat transfer, easily cause burning of electronic switch, thus cause the not high problem of electronic switch reliability when electric current is comparatively large or the working time is longer.
For the problem that prior art breaker in middle reliability is not high, at present effective solution is not yet proposed.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of intelligent high-speed switch and control system, to solve the not high problem of prior art breaker in middle reliability.
To achieve these goals, according to an aspect of the present invention, provide a kind of intelligent high-speed switch, comprising:
Mechanical switch; Electronic switch, in parallel with this mechanical switch, wherein, when this intelligent high-speed switch is in off-state, this mechanical switch and this electronic switch are all in off-state, when this intelligent high-speed switch receive connect order time, first this electronic switch is connected, and then when the voltage at these mechanical switch two ends becomes the state of this electronic switch conduction voltage drop, this mechanical switch is connected; When this intelligent high-speed switch receives ON-and OFF-command, first this mechanical switch disconnects bearing under this electronic switch conduction voltage drop, and after this mechanical switch disconnects, this electronic switch disconnects.
Further, this mechanical switch comprises:
First controller; Switch contact, for connecting or disconnecting circuit; Metal dish, is connected with the first contact of this switch contact; First coil, be connected with this first controller, produce the first high frequency magnetic field during for sending when this first controller and connecting order, this metal dish is high-speed motion under this first high frequency magnetic field effect, thus control the first contact of this switch contact and the second contact contacts, to connect circuit; Second coil, be connected with this first controller, for producing the second high frequency magnetic field when this first controller sends ON-and OFF-command, this metal dish is high-speed motion under this second high frequency magnetic field effect, thus control the first contact of this switch contact and the second contact is separated, so that disconnecting circuit.
Further, this switch contact is arranged in vacuum interrupter.
Further, this electronic switch comprises:
Multiple silicon controlled component, the plurality of silicon controlled component series connection; Second controller, is connected with the plurality of silicon controlled component, disconnects simultaneously for controlling the plurality of silicon controlled component or connects.
Further, the conducting resistance of this electronic switch is greater than the conducting resistance of this mechanical switch.
To achieve these goals, according to a further aspect in the invention, provide a kind of intelligent high-speed on-off control system, comprising:
Control device; Intelligent high-speed switch, is connected with this control device, and the circuit that the order for sending according to this control device controls this intelligent high-speed switch place disconnects or connects, and this intelligent high-speed switch comprises: mechanical switch; Electronic switch, in parallel with this mechanical switch; Wherein, when this intelligent high-speed switch is in off-state, this mechanical switch and this electronic switch are all in off-state, when this intelligent high-speed switch receives connection order, first this electronic switch is connected, and then when the voltage at these mechanical switch two ends becomes the state of this electronic switch conduction voltage drop, this mechanical switch is connected; When this intelligent high-speed switch receives ON-and OFF-command, first this mechanical switch disconnects bearing under this electronic switch conduction voltage drop, and after this mechanical switch disconnects, this electronic switch disconnects.
Further, this mechanical switch comprises:
First controller; Switch contact, for connecting or disconnecting circuit; Metal dish, is connected with the first contact of this switch contact; First coil, be connected with this first controller, produce the first high frequency magnetic field during for sending when this first controller and connecting order, this metal dish is high-speed motion under this first high frequency magnetic field effect, thus control the first contact of this switch contact and the second contact contacts, to connect circuit; Second coil, be connected with this first controller, for producing the second high frequency magnetic field when this first controller sends ON-and OFF-command, this metal dish is high-speed motion under this second high frequency magnetic field effect, thus control the first contact of this switch contact and the second contact is separated, so that disconnecting circuit.
Further, this switch contact is arranged in vacuum interrupter.
Further, this electronic switch comprises:
Multiple silicon controlled component, the plurality of silicon controlled component series connection; Second controller, disconnects simultaneously for controlling the plurality of silicon controlled component or connects.
Further, the conducting resistance of this electronic switch is greater than the conducting resistance of this mechanical switch.
The present invention passes through mechanical switch and electronic switch parallel connection, when this intelligent high-speed switch receives connection order, first electronic switch is connected, now the voltage at mechanical switch two ends becomes the conducting step-down of this electronic switch, because this conducting step-down is far smaller than the voltage at two ends when this electronic switch is connected front, the phenomenon of high-tension electricity arcing contact can not be produced when mechanical switch is connected, therefore larger impact can not be caused on mechanical switch, after mechanical switch is connected, because one part of current will flow through from mechanical switch, because this reducing the electric current circulated in electronic switch, thus decrease the heat of electronic switch generation, improve the reliability of electronic switch, when this intelligent high-speed switch receives ON-and OFF-command, first mechanical switch disconnects, because mechanical switch two ends voltage is now only the conducting step-down of electronic switch, therefore the phenomenon of high-tension electricity arcing contact can not be produced when disconnecting, can not affect greatly mechanical switch, thus extend the serviceable life of mechanical switch, improve the reliability of mechanical switch, because the reliability of this electronic switch and this mechanical switch is all improved, the reliability of the switch therefore obtained by this electronic switch and the parallel connection of this mechanical switch is also improved accordingly.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural drawing of a kind of intelligent high-speed switch according to the embodiment of the present invention;
Fig. 2 is the structural drawing of a kind of mechanical switch according to the embodiment of the present invention;
Fig. 3 is the structural drawing of a kind of electronic switch according to the embodiment of the present invention; And
Fig. 4 is a kind of intelligent high-speed on-off control system according to the embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Fig. 1 is the structural drawing of a kind of intelligent high-speed switch according to the embodiment of the present invention, and as shown in Figure 1, the intelligent high-speed switch of this embodiment comprises:
Mechanical switch 101.
Electronic switch 102, in parallel with this mechanical switch 101.
Wherein, when this intelligent high-speed switch is in off-state, this mechanical switch 101 is all in off-state with this electronic switch 102, when this intelligent high-speed switch receives connection order, first this electronic switch 102 is connected, and then when the voltage at these mechanical switch 101 two ends becomes the state of this electronic switch 102 conduction voltage drop, this mechanical switch 101 is connected; When this intelligent high-speed switch receives ON-and OFF-command, first this mechanical switch 101 disconnects bearing under this electronic switch 102 conduction voltage drop, and after this mechanical switch 101 disconnects, this electronic switch 102 disconnects.
The intelligent high-speed switch that the embodiment of the present invention provides, by mechanical switch and electronic switch is in parallel, when this intelligent high-speed switch receives connection order, first electronic switch is connected, now the voltage at mechanical switch two ends becomes the conducting step-down of this electronic switch, because this conducting step-down is far smaller than the voltage at two ends when this electronic switch is connected front, the phenomenon of high-tension electricity arcing contact can not be produced when mechanical switch is connected, therefore larger impact can not be caused on mechanical switch, after mechanical switch is connected, because one part of current will flow through from mechanical switch, because this reducing the electric current circulated in electronic switch, thus decrease the heat of electronic switch generation, improve the reliability of electronic switch, when this intelligent high-speed switch receives ON-and OFF-command, first mechanical switch disconnects, because mechanical switch two ends voltage is now only the conducting step-down of electronic switch, therefore the phenomenon of high-tension electricity arcing contact can not be produced when disconnecting, can not affect greatly mechanical switch, thus extend the serviceable life of mechanical switch, improve the reliability of mechanical switch, after mechanical switch disconnects, electronic switch can disconnect immediately, after this electronic switch disconnects, this intelligent high-speed switch is in off-state, because the reliability of this electronic switch and this mechanical switch is all improved, the reliability of the switch therefore obtained by this electronic switch and the parallel connection of this mechanical switch is also improved accordingly.
Preferably, the conducting resistance of this electronic switch 102 is greater than the conducting resistance of this mechanical switch 101, under the state of this intelligent high-speed switch connection, the electric current that electric current in electronic switch 102 will be less than in mechanical switch 101, namely the most of electric current in circuit will flow through from mechanical switch, thus greatly reduce the electric current flow through in electronic switch, reduce the heat that electronic switch produces in an on state, thus further increasing the reliability of electronic switch, in addition, because the conducting resistance of mechanical switch is less, and the impact of heat on self that mechanical switch produces is less, therefore, the change of electric current does not affect greatly the reliability of mechanical switch.
Preferably, see Fig. 2, this mechanical switch 101 comprises:
First controller KZ-2.
Switch contact CT, for connecting or disconnecting circuit.
Preferably, this switch contact is arranged in vacuum interrupter MH.
Metal dish MP, is connected with first contact of this switch contact CT.
First coil LQ1, be connected with this first controller KZ-2, the first high frequency magnetic field is produced during for sending as this first controller KZ-2 and connecting order, this metal dish MP is high-speed motion under this first high frequency magnetic field effect, thus control first contact of this switch contact CT and the second contact contacts, to connect circuit.
Second coil LQ2, be connected with this first controller KZ-2, for producing the second high frequency magnetic field when this first controller KZ-2 sends ON-and OFF-command, this metal dish MP is high-speed motion under this second high frequency magnetic field effect, thus control first contact of this switch contact CT and the second contact is separated, so that disconnecting circuit.
Mechanical switch in the present invention, its switch contact CT is arranged in vacuum interrupter MH.The mode that pulls of this mechanical switch is that electromagnetic type pulls, when divide-shut brake, first controller KZ-2, to coil LQ1, LQ2 electric discharge, produces high-frequency current and high frequency magnetic field, under the effect of high frequency magnetic field, the metal dish MP closed on responds to the very large eddy current of appearance, and eddy current under the influence of a magnetic field, produces very large electric power, pull metal dish high-speed motion, thus pull the switch contact CT in vacuum interrupter MH.
Preferably, see Fig. 3, this electronic switch 102 comprises:
Multiple silicon controlled component (SCR1 in schematic block 31 ... SCR10), the plurality of silicon controlled component series connection.
Second controller kz-1, is connected with the plurality of silicon controlled component, disconnects simultaneously for controlling the plurality of silicon controlled component or connects.
Electronic switch in the present invention is in series by multiple silicon controlled component, and second controller kz-1 controls the switch of silicon controlled component.
The intelligent high-speed switch that the embodiment of the present invention provides, when this intelligent high-speed switch needs to connect, electronic switch has precedence over mechanical hook-up and connects, when after electronic switch conducting, the voltage of this intelligent high-speed switch ends becomes the pressure drop of the turn on thyristors in electronic switch, can ignore with UHV (ultra-high voltage) ratio, now mechanical switch part can complete combined floodgate smoothly, the phenomenon of high-tension electricity arcing contact can not be there is, add the protection of vacuum interrupter, the mechanical switch contact life-span is made to be greater than 10000 times of conventional mechanical switch, when mechanical switch completes connection, switch ends voltage drops to relative 0V, now electronic switch flows through from mechanical switch because of the pressure drop reason electric current of thyristor, therefore the heat that electronic switch produces is greatly reduced, improve the reliability of electronic switch.When intelligent high-speed switch needs to disconnect; mechanical switch has precedence over electronic switch and disconnects; when the arc voltage that mechanical switch slightly pulls open generation is greater than thyristor pressure drop; at this moment electric current flows through from thyristor; the arc voltage that mechanical switch is produced is very low, and the protection of adding vacuum interrupter makes separating brake undertension burn contact to produce electric arc.When last the cycle electric current flowing through intelligent high-speed switch after mechanical switch separates crosses at 0, thyristor automatically shuts down without afterflow, and now intelligent high-speed switch completes disconnection.
Fig. 4 is the structural drawing of a kind of intelligent high-speed on-off control system according to the embodiment of the present invention, and as shown in Figure 4, the intelligent high-speed on-off control system of this embodiment comprises:
Control device 401.
Intelligent high-speed switch 402, is connected with this control device 401, and the circuit that the order for sending according to this control device 401 controls this intelligent high-speed switch 402 place disconnects or connects, and this intelligent high-speed switch 402 specifically comprises:
Mechanical switch.
Electronic switch, in parallel with this mechanical switch.
Wherein, when this intelligent high-speed switch is in off-state, this mechanical switch and this electronic switch are all in off-state, when this intelligent high-speed switch receives connection order, first this electronic switch is connected, and then when the voltage at these mechanical switch two ends becomes the state of this electronic switch conduction voltage drop, this mechanical switch is connected; When this intelligent high-speed switch receives ON-and OFF-command, first this mechanical switch disconnects bearing under this electronic switch conduction voltage drop, and after this mechanical switch disconnects, this electronic switch disconnects.
The intelligent high-speed on-off control system that the embodiment of the present invention provides, by mechanical switch and electronic switch is in parallel, when this intelligent high-speed switch receives control device connection order, first electronic switch is connected, now the voltage at mechanical switch two ends becomes the conducting step-down of this electronic switch, because this conducting step-down is far smaller than the voltage at two ends when this electronic switch is connected front, the phenomenon of high-tension electricity arcing contact can not be produced when mechanical switch is connected, therefore larger impact can not be caused on mechanical switch, after mechanical switch is connected, because one part of current will flow through from mechanical switch, because this reducing the electric current circulated in electronic switch, thus decrease the heat of electronic switch generation, improve the reliability of electronic switch, when this intelligent high-speed switch receives control device ON-and OFF-command, first mechanical switch disconnects, because mechanical switch two ends voltage is now only the conducting step-down of electronic switch, therefore the phenomenon of high-tension electricity arcing contact can not be produced when disconnecting, can not affect greatly mechanical switch, thus extend the serviceable life of mechanical switch, after mechanical switch disconnects, electronic switch can disconnect immediately, after this electronic switch disconnects, this intelligent high-speed switch is in off-state.
Preferably, the conducting resistance of this electronic switch is greater than the conducting resistance of this mechanical switch, under the state of this intelligent high-speed switch connection, electric current in electronic switch will be less than the electric current in mechanical switch, namely the most of electric current in circuit will flow through from mechanical switch, thus greatly reduce the electric current flow through in electronic switch, reduce the heat that electronic switch produces in an on state, thus further increasing the reliability of electronic switch, in addition, because the conducting resistance of mechanical switch is less, and the impact of heat on self that mechanical switch produces is less, therefore, the change of electric current does not affect greatly the reliability of mechanical switch.
Preferably, the mechanical switch in above-mentioned intelligent high-speed on-off control system comprises:
First controller.
Switch contact, for connecting or disconnecting circuit.
Metal dish, is connected with the first contact of this switch contact.
First coil, be connected with this first controller, produce the first high frequency magnetic field during for sending when this first controller and connecting order, this metal dish is high-speed motion under this first high frequency magnetic field effect, thus control the first contact of this switch contact and the second contact contacts, to connect circuit.
Second coil, be connected with this first controller, for producing the second high frequency magnetic field when this first controller sends ON-and OFF-command, this metal dish is high-speed motion under this second high frequency magnetic field effect, thus control the first contact of this switch contact and the second contact is separated, so that disconnecting circuit.
Preferably, this switch contact is arranged in vacuum interrupter.
Preferably, the electronic switch in above-mentioned intelligent high-speed on-off control system comprises:
Multiple silicon controlled component, the plurality of silicon controlled component series connection.
Second controller, disconnects simultaneously for controlling the plurality of silicon controlled component or connects.
Intelligent high-speed on-off control system provided by the invention, when this intelligent high-speed switch needs to connect, control device sends instructions to mechanical switch and electronic switch simultaneously, the speed of electronic switch is nanosecond, greatly have precedence over mechanical hook-up, when after electronic switch conducting, the voltage of this intelligent high-speed switch ends becomes the pressure drop of the turn on thyristors in electronic switch, can ignore with UHV (ultra-high voltage) ratio, now mechanical switch part can complete combined floodgate smoothly, the phenomenon of high-tension electricity arcing contact can not be there is, add the protection of vacuum interrupter, the mechanical switch contact life-span is made to be greater than 10000 times of conventional mechanical switch, when mechanical switch completes connection, switch ends voltage drops to relative 0V, now electronic switch flows through from mechanical switch because of the pressure drop reason electric current of thyristor, therefore the heat that electronic switch produces is greatly reduced, improve the reliability of electronic switch.When intelligent high-speed switch needs to disconnect; control device sends instructions to mechanical switch and electronic switch simultaneously; when the arc voltage that mechanical switch slightly pulls open generation is greater than thyristor pressure drop; at this moment electric current flows through from thyristor; the arc voltage that mechanical switch is produced is very low, and the protection of adding vacuum interrupter makes separating brake undertension burn contact to produce electric arc.When last the cycle electric current flowing through intelligent high-speed switch after mechanical switch separates crosses at 0, thyristor automatically shuts down without afterflow, and now intelligent high-speed switch completes disconnection.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. an intelligent high-speed switch, is characterized in that, comprising:
Mechanical switch;
Electronic switch, in parallel with described mechanical switch,
Wherein, when described intelligent high-speed switch is in off-state, described mechanical switch and described electronic switch are all in off-state, when described intelligent high-speed switch receives connection order, first described electronic switch is connected, and then when the voltage at described mechanical switch two ends becomes the state of described electronic switch conduction voltage drop, described mechanical switch is connected; When described intelligent high-speed switch receives ON-and OFF-command, first described mechanical switch disconnects bearing under described electronic switch conduction voltage drop, and after described mechanical switch disconnects, described electronic switch disconnects,
Wherein, described mechanical switch comprises:
First controller;
Switch contact, for connecting or disconnecting circuit;
Metal dish, is connected with the first contact of described switch contact;
First coil, be connected with described first controller, the first high frequency magnetic field is produced during for sending when described first controller and connecting order, described metal dish is high-speed motion under described first high frequency magnetic field effect, thus control the first contact of described switch contact and the second contact contacts, to connect circuit;
Second coil, be connected with described first controller, for producing the second high frequency magnetic field when described first controller sends ON-and OFF-command, described metal dish is high-speed motion under described second high frequency magnetic field effect, thus control the first contact of described switch contact and the second contact is separated, so that disconnecting circuit
Wherein, the mode that pulls of described mechanical switch is that electromagnetic type pulls.
2. intelligent high-speed switch according to claim 1, is characterized in that, described switch contact is arranged in vacuum interrupter.
3. intelligent high-speed switch according to claim 1, is characterized in that, described electronic switch comprises:
Multiple silicon controlled component, described multiple silicon controlled component series connection;
Second controller, is connected with described multiple silicon controlled component, disconnects simultaneously for controlling described multiple silicon controlled component or connects.
4. intelligent high-speed switch according to claim 1, is characterized in that, the conducting resistance of described electronic switch is greater than the conducting resistance of described mechanical switch.
5. an intelligent high-speed on-off control system, is characterized in that, comprising:
Control device;
Intelligent high-speed switch, is connected with described control device, and the circuit that the order for sending according to described control device controls described intelligent high-speed switch place disconnects or connects, and described intelligent high-speed switch comprises:
Mechanical switch;
Electronic switch, in parallel with described mechanical switch;
Wherein, when described intelligent high-speed switch is in off-state, described mechanical switch and described electronic switch are all in off-state, when described intelligent high-speed switch receives connection order, first described electronic switch is connected, and then when the voltage at described mechanical switch two ends becomes the state of described electronic switch conduction voltage drop, described mechanical switch is connected; When described intelligent high-speed switch receives ON-and OFF-command, first described mechanical switch disconnects bearing under described electronic switch conduction voltage drop, and after described mechanical switch disconnects, described electronic switch disconnects,
Wherein, described mechanical switch comprises:
First controller;
Switch contact, for connecting or disconnecting circuit;
Metal dish, is connected with the first contact of described switch contact;
First coil, be connected with described first controller, the first high frequency magnetic field is produced during for sending when described first controller and connecting order, described metal dish is high-speed motion under described first high frequency magnetic field effect, thus control the first contact of described switch contact and the second contact contacts, to connect circuit;
Second coil, be connected with described first controller, for producing the second high frequency magnetic field when described first controller sends ON-and OFF-command, described metal dish is high-speed motion under described second high frequency magnetic field effect, thus control the first contact of described switch contact and the second contact is separated, so that disconnecting circuit
Wherein, the mode that pulls of described mechanical switch is that electromagnetic type pulls.
6. system according to claim 5, is characterized in that, described switch contact is arranged in vacuum interrupter.
7. system according to claim 5, is characterized in that, described electronic switch comprises:
Multiple silicon controlled component, described multiple silicon controlled component series connection;
Second controller, disconnects simultaneously for controlling described multiple silicon controlled component or connects.
8. system according to claim 5, is characterized in that, the conducting resistance of described electronic switch is greater than the conducting resistance of described mechanical switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310007542.7A CN103092099B (en) | 2013-01-09 | 2013-01-09 | Intelligent high-speed switch and intelligent high-speed on-off control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310007542.7A CN103092099B (en) | 2013-01-09 | 2013-01-09 | Intelligent high-speed switch and intelligent high-speed on-off control system |
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| CN103092099A CN103092099A (en) | 2013-05-08 |
| CN103092099B true CN103092099B (en) | 2016-03-02 |
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| CN106487370A (en) * | 2015-08-31 | 2017-03-08 | 华为技术有限公司 | On-off circuit, power-supply system and electric power system |
| EP3614409B1 (en) * | 2017-04-21 | 2021-01-06 | Ormazabal Y Cia S.L.U. | Control mechanism and process |
| CN107819457A (en) * | 2017-12-06 | 2018-03-20 | 昆山安平电气有限公司 | A kind of machinery and semiconductors coupling formula switch and its application method |
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| CN1164746A (en) * | 1997-05-22 | 1997-11-12 | 马鸿绪 | Sparkless switch |
| CN201465837U (en) * | 2009-06-17 | 2010-05-12 | 沈永年 | Switch arc-suppressing circuit |
| CN102244507A (en) * | 2011-06-24 | 2011-11-16 | 崔万恒 | High-voltage DC (direct current) switching circuit and switching-on/off method thereof |
| CN102497186A (en) * | 2011-12-26 | 2012-06-13 | 张腾 | Realization method of direct current load switch |
| CN202839447U (en) * | 2012-10-16 | 2013-03-27 | 安徽徽电科技股份有限公司 | Intelligent vortex touch high-speed switch |
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2013
- 2013-01-09 CN CN201310007542.7A patent/CN103092099B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164746A (en) * | 1997-05-22 | 1997-11-12 | 马鸿绪 | Sparkless switch |
| CN201465837U (en) * | 2009-06-17 | 2010-05-12 | 沈永年 | Switch arc-suppressing circuit |
| CN102244507A (en) * | 2011-06-24 | 2011-11-16 | 崔万恒 | High-voltage DC (direct current) switching circuit and switching-on/off method thereof |
| CN102497186A (en) * | 2011-12-26 | 2012-06-13 | 张腾 | Realization method of direct current load switch |
| CN202839447U (en) * | 2012-10-16 | 2013-03-27 | 安徽徽电科技股份有限公司 | Intelligent vortex touch high-speed switch |
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| CN103092099A (en) | 2013-05-08 |
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