CN201985532U - Intelligent composite integrated switch - Google Patents
Intelligent composite integrated switch Download PDFInfo
- Publication number
- CN201985532U CN201985532U CN2011200325698U CN201120032569U CN201985532U CN 201985532 U CN201985532 U CN 201985532U CN 2011200325698 U CN2011200325698 U CN 2011200325698U CN 201120032569 U CN201120032569 U CN 201120032569U CN 201985532 U CN201985532 U CN 201985532U
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- CN
- China
- Prior art keywords
- switch
- bidirectional triode
- composite type
- triode thyristor
- controller unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Abstract
The utility model relates to an intelligent composite integrated switch which comprises a controller unit and one or more composite switches. Each composite switch comprises a bidirectional thyristor and a magnetic latching switch, wherein the input end and the output end of the bidirectional thyristor are connected in parallel with an input contact and an output contact of the magnetic latching switch respectively; and the output end of the controller unit is connected with the bidirectional thyristors of all the composite switches through a bidirectional thyristor driving trigger circuit, and is connected with the magnetic latching switches in all the composite switches through a magnetic latching switch driving trigger circuit. In the composite switch (es), the generated heat quantity is reduced through the switching match between the bidirectional thyristor (s) and the magnetic latching switch (es), as well as the optimization on the conducting time of the bidirectional thyristor (s), so that a heat dissipation device for the bidirectional thyristor (s) is eliminated; and the size of the switch can be remarkably reduced owing to multi-way integration, so as to realize miniaturization of the multi-way control switches.
Description
Technical field
The utility model belongs to the switching technique field, and the switching capacitance device when being specifically related to a kind of low-voltage power electric network reactive compensation electrification capacitor is a kind of phase-splitting switching functional burdening switch that is used for the low-voltage circuit terminal compensation.
Background technology
The fling-cut switch of power capacitor mainly adopts solid-state relay and A.C. contactor in traditional reactive power compensator.Electromagnetic switch is when connection or disjunction capacitor, contact vibrations, the starting the arc phenomenon that takes place caused that contact deteriorates, electromagnetic interference and energy loss, make its electrical endurance be lower than mechanical endurance, not only need frequent replacing, and greatly reduce the reactive power compensator reliability of operation.With the electronic power switch device is the main solid-state relay that constitutes, though have contactless break-make, operation frequency height, dynamic switch excellent and the strong advantage of anti-mechanical stress ability, but also there is the cost height, conduction loss is big, anti-electricity, thermal stress ability, when high-power owing to use radiator shortcomings such as volume is big.The problem that another one is more serious is that controllable silicon enters in the operation of power networks can produce harmonic pollution.Solved the contradiction of the two on the NEW TYPE OF COMPOSITE switching theorem, power electronic device is combined with the magnetic maintained switch, having brought into play the power electronic device electric current of make-and-break does not have electric arc, advantage that magnetic maintained switch contact resistance is little, forms little, the capacious capacitive load switch of volume.Yet in the actual motion, still the ubiquity power electronic device is damaged and problem such as magnetic maintained switch contact is bonding.
The utility model content
The purpose of this utility model is to provide a kind of phase-splitting switching intelligent compound switch, and it has solved the problem that above-mentioned two kinds of switch elements exist, and is not only safe but also reliable.
For achieving the above object, the solution that the utility model is taked is:
A kind of Intelligent Composite type integrated switch comprises controller unit, one or more groups combination switch, it is characterized in that:
Each group combination switch is made up of a two-way controllable silicon and a magnetic maintained switch, and wherein, described bidirectional triode thyristor input and output two ends are attempted by respectively on the input contact and output contact of described magnetic maintained switch;
The output of described controller unit drives circuits for triggering by bidirectional triode thyristor and links to each other with the bidirectional triode thyristor of each group combination switch, drives circuits for triggering by the magnetic maintained switch and links to each other with each magnetic maintained switch of organizing in combination switch.
The control interface of described controller unit is connected to every group of combination switch, organizes combination switch more and forms a plurality of switch control channels, realizes the reliable break-make control of a plurality of switch control channels by described controller unit.
3 ~ 36 combination switch unit are carried out integrated encapsulation, (as single-chip microcomputer, DSP) carry out conducting respectively or turn-off control, realize the control of single-phase or three-phase equipment according to the external control instruction by a controller unit.
Switching by bidirectional triode thyristor and magnetic maintained switch cooperates, and optimization bidirectional triode thyristor ON time reduces the heat of generation, thereby can cancel the heat abstractor of bidirectional triode thyristor, and, realize the microminiaturization of multichannel control switch by the integrated volume that significantly reduces switch of multichannel.
The core controller that adopts has communication interface and the direct control interface of multiple wire system.The permission peripheral control unit is long-range to carry out break-make control to any one combination switch.
The utility model drops into the magnetic maintained switch near 2 ~ 3 milliseconds in alternating voltage zero-crossing point back, and suitably improve the control magnitude of voltage and reduce contact chatter the magnetic maintained switch life-span is influenced; (1 ~ 2 millisecond of front and back) turn on and off bidirectional triode thyristor near alternating voltage zero-crossing point, reduce voltage stress, reduce the controllable silicon heating, improve the reliability of combination switch.
The Intelligent Composite type integrated switch of this practical sexual type combines the power electronic device electric current of make-and-break and does not have the little advantage of electric arc, magnetic maintained switch contact resistance except having general combination switch, also has the following advantages:
1. the switching by bidirectional triode thyristor and magnetic maintained switch cooperates, and optimizes the bidirectional triode thyristor ON time and reduce the heat of generation, thereby can cancel the heat abstractor of bidirectional triode thyristor, makes it have little, the characteristics such as do not generate heat substantially of volume.
2. near adjusting voltage over zero, drop into the magnetic maintained switch, improve the control magnitude of voltage and reduce contact chatter, improve its reliability the influence of magnetic maintained switch life-span.
3. also can be by the microminiaturization of the integrated realization multichannel of multichannel control switch.
Description of drawings
Fig. 1 is the utility model control principle block diagram;
Fig. 2 is the utility model structural representation.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof the utility model is further described.
Referring to Fig. 1, a kind of high reliability Intelligent Composite type integrated switch adopts bidirectional triode thyristor 1 and magnetic maintained switch 2 to form, and forms a plurality of switch control channels, realizes the reliable break-make control of many groups equipment.Conducting when control, connect magnetic maintained switch 2 behind 1 some millisecond of guide's pass two-way controllable silicon, delay time and close bidirectional triode thyristor 1 after 10 ~ 25 milliseconds; When turn-offing control, guide's pass two-way controllable silicon 1 disconnects magnetic maintained switch 2 immediately, delays time and closes bidirectional triode thyristor 1 again after 10 ~ 25 milliseconds.3 ~ 36 combination switch unit are carried out integrated encapsulation,, DSP) carry out conducting respectively or turn-off control, realize the control of single-phase or three-phase equipment according to the external control instruction by a controller unit 3(such as single-chip microcomputer.Switching by bidirectional triode thyristor 1 and magnetic maintained switch 2 cooperates, and optimization bidirectional triode thyristor 1 ON time reduces the heat of generation, thereby can cancel the heat abstractor of bidirectional triode thyristor 1, and, realize the microminiaturization of multichannel control switch by the integrated volume that significantly reduces switch of multichannel.The controller unit 3 that adopts has communication interface and the direct control interface of multiple wire system, by described communication interface, the input of controller unit 3 receiving remotes control control signal, and by the direct control interface connection of described multiple wire system bidirectional triode thyristor driving circuits for triggering 5, magnetic maintained switch driving circuits for triggering 6, the permission peripheral control unit is long-range to carry out break-make control to any one combination switch.What zero cross detection circuit 4 detected is the AC signal of single phase circuit, and the comparison according to voltage comparator two input terminal voltage values becomes square-wave signal with sinusoidal signal, realizes the function of zero passage detection.Detect protective circuit 8, be used for judging faults such as appearance is under-voltage, overvoltage, phase shortage, and realize protection by software.The utility model drops into magnetic maintained switch 2 near 2 ~ 3 milliseconds in alternating voltage zero-crossing point back, and suitably improve the control magnitude of voltage and reduce contact chatter 2 life-spans of magnetic maintained switch are influenced; (1 ~ 2 millisecond of front and back) turn on and off bidirectional triode thyristor 1 near alternating voltage zero-crossing point, reduce voltage stress, reduce bidirectional triode thyristor 1 heating, improve the reliability of combination switch.
Referring to Fig. 2, the control interface of controller unit 3 is connected to every group of combination switch, organizes combination switch more and forms a plurality of switch control channels, realizes the reliable break-make control of a plurality of switch control channels by controller unit 3.Can realize 3 ~ 36 combination switch unit are carried out integrated encapsulation.
High reliability intelligent miniature switch, operation principle is summarized as follows: when receiving the level signal that produces from higher level's compensating controller, through control signal input 7, signal is sent into controller unit 3, select the zero crossing input according to logic determines, drive circuits for triggering 5 to bidirectional triode thyristor command signal is provided, restart bidirectional triode thyristor and drive circuits for triggering 5, make bidirectional triode thyristor 1 conducting through photoelectric isolating circuit 9, compensation condenser inserts electrical network, and then startup magnetic maintained switch drives circuits for triggering 6 output pulse positive voltages, magnetic maintained switch 2 contacts are changed on input that closure state is shorted to bidirectional triode thyristor 1 and the output two ends by normally open, then, controller unit 3 indication bidirectional triode thyristors drive circuits for triggering 5 and cut out bidirectional triode thyristor 1, and the compensation condenser run duration is just carried out separately by magnetic maintained switch 2; When controller unit 3 receives a certain will cut off the instruction of compensation condenser mutually the time, start bidirectional triode thyristor and drive circuits for triggering 5, bidirectional triode thyristor 1 conducting is incorporated on the magnetic maintained switch 2, and then indication magnetic maintained switch drives circuits for triggering 6 output pulse negative voltages, make magnetic maintained switch 2 contacts be converted to normally open, at last, controller unit 3 indication bidirectional triode thyristors drive the circuits for triggering 5 automatic zero crossings of seeking and cut out bidirectional triode thyristor 1, cut off compensation condenser.Because in the combination switch switching process, mainly to finish by 1 moment of bidirectional triode thyristor, running is undertaken by magnetic maintained switch 2, and the two cooperation is finished, and realizes that substantially non-impact current produces, and no electric arc appearance is not generated heat substantially.
Claims (6)
1. an Intelligent Composite type integrated switch comprises controller unit, one or more groups combination switch, it is characterized in that:
Each group combination switch is made up of a two-way controllable silicon and a magnetic maintained switch, and wherein, described bidirectional triode thyristor input and output two ends are attempted by respectively on the input contact and output contact of described magnetic maintained switch;
The output of described controller unit drives circuits for triggering by bidirectional triode thyristor and links to each other with the bidirectional triode thyristor of each group combination switch, drives circuits for triggering by the magnetic maintained switch and links to each other with each magnetic maintained switch of organizing in combination switch.
2. Intelligent Composite type integrated switch according to claim 1, it is characterized in that, described Intelligent Composite type integrated switch also further comprises photoelectric isolating circuit, and described photoelectric isolating circuit is connected described bidirectional triode thyristor and drives between the bidirectional triode thyristor of circuits for triggering and each group combination switch.
3. Intelligent Composite type integrated switch according to claim 1, it is characterized in that, described Intelligent Composite type integrated switch also further comprises control signal input circuit, zero cross detection circuit, and the output of described control signal input circuit and zero cross detection circuit is connected to the input of controller unit respectively.
4. according to claim 1 or 3 described Intelligent Composite type integrated switchs, it is characterized in that, described controller unit has communication interface and the direct control interface of multiple wire system, by described communication interface, controller unit receiving remote control control signal is imported, and drives circuits for triggering by the direct control interface connection of described multiple wire system bidirectional triode thyristor driving circuits for triggering, magnetic maintained switch.
5. Intelligent Composite type integrated switch according to claim 1 is characterized in that, described Intelligent Composite type integrated switch also further comprises the detection protective circuit, and described detection protective circuit links to each other with described controller unit.
6. Intelligent Composite type integrated switch according to claim 1 or 5 is characterized in that, 3 ~ 36 combination switch unit are carried out integrated encapsulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200325698U CN201985532U (en) | 2011-01-30 | 2011-01-30 | Intelligent composite integrated switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200325698U CN201985532U (en) | 2011-01-30 | 2011-01-30 | Intelligent composite integrated switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201985532U true CN201985532U (en) | 2011-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200325698U Expired - Fee Related CN201985532U (en) | 2011-01-30 | 2011-01-30 | Intelligent composite integrated switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201985532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001237A (en) * | 2012-11-19 | 2013-03-27 | 柳州电器科学研究所有限公司 | Intelligent combination switch |
| CN106646215A (en) * | 2017-01-12 | 2017-05-10 | 中国计量大学 | Selector switch and own switching fault determining method |
-
2011
- 2011-01-30 CN CN2011200325698U patent/CN201985532U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001237A (en) * | 2012-11-19 | 2013-03-27 | 柳州电器科学研究所有限公司 | Intelligent combination switch |
| CN106646215A (en) * | 2017-01-12 | 2017-05-10 | 中国计量大学 | Selector switch and own switching fault determining method |
| CN106646215B (en) * | 2017-01-12 | 2019-07-02 | 中国计量大学 | Combination switch and its own switching fault judgment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20120130 |