CN201359695Y - Mechanical action executive circuit device of low voltage intelligent combination switch - Google Patents
Mechanical action executive circuit device of low voltage intelligent combination switch Download PDFInfo
- Publication number
- CN201359695Y CN201359695Y CNU2009201265714U CN200920126571U CN201359695Y CN 201359695 Y CN201359695 Y CN 201359695Y CN U2009201265714 U CNU2009201265714 U CN U2009201265714U CN 200920126571 U CN200920126571 U CN 200920126571U CN 201359695 Y CN201359695 Y CN 201359695Y
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- controllable silicon
- lotus root
- light lotus
- latching relay
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Abstract
Disclosed is a mechanical action executive circuit device relates to executive circuit of a low voltage intelligent combination switch. A thyristor A (5) and a thyristor B (6) are in inverse-parallel connection, and are in parallel connection with a magnetic latching relay J (4), a trigger electrode of the thyristor B (6) is connected with one electrode of a current-limiting resistor (3), and the other electrode of the current-limiting resistor (3) is connected with a (4) pin of an optocoupler A (1), a (6) pin of the optocoupler A (1) is connected with a (4) pin of the optocoupler B (2), a (6) pin of the optocoupler B (2) is connected with a trigger electrode of the thyristor A (5), one end of a magnetic latching relay J is connected with an incoming line L, and other end thereof is connected with one end of a load line L1. The utility model absorbs the advantages of low conduction internal resistance and un-warming of a contactor as well as zero voltage throwing and zero current cutting of the thyristors, and successfully controls the instant flow within less than or equal to 1.5 times of rated running current when switching, thereby perfectly solving the problems of high voltage harmonic and high flow and the like in the capacitor switching process.
Description
One, technical field
The utility model relates to executive circuit, especially a kind of mechanical action executive circuit device of low-voltage intelligent combination switch.
Two, background technology
A.C. contactor switching device that has now and solid-state relay switching device.The A.C. contactor device mainly is made up of drive coil and action contact, work simply, shoving during switching capacitance is 20 times of specified moving capable electric current; The solid-state relay switching device is mainly by controllable silicon, zero cross detection circuit, driving circuit, and compositions such as heat abstractor are during work, it is little to shove, but controllable silicon has junction voltage, and the long-term work heating is serious, often damage, and the volume swelling is big etc., and reason causes and can not be extensive use of because of thermal treatment is improper.
Three, summary of the invention
The purpose of this utility model provides a kind of simple in structure, and it is little to shove when the mechanical action executive circuit of low-voltage intelligent combination switch has solved switching capacitance, do not generate heat during long-term work and the switching process in the technical matters of the aspects such as high voltage harmonic wave that occur.
Technical scheme that the purpose of this utility model adopts is, comprise light lotus root A, light lotus root B, current-limiting resistance, magnetic latching relay J, controllable silicon A, controllable silicon B, its described controllable silicon A and controllable silicon B reverse parallel connection, and it is in parallel with magnetic latching relay J, the trigger electrode of controllable silicon B is connected with resistance flowing resistance one utmost point, another utmost point of resistance flowing resistance is connected with the 4. pin of light lotus root A, the 6. pin of light lotus root A is connected with the 4. pin of light lotus root B, the 6. pin of light lotus root B is connected with the trigger electrode of controllable silicon silicon A, and one of magnetic latching relay J meets electric power incoming line L, the other end connects load line L1 one end.
When the utility model uses, with another termination capacitor C one utmost point of load line L1, another utmost point connecting to neutral line of capacitor C.Its course of work: during input, after driving light lotus root obtains the zero passage drive signal, conducting work when driving silicon control zero-cross voltage, the of short duration work one little meeting of controllable silicon, the work of forward drive magnetic latching relay, allow controllable silicon and magnetic keep electrical equipment parallel running one little meeting again, disconnect the working signal that drives light lotus root and magnetic latching relay, the long-term work of magnetic latching relay contact is finished once and is devoted oneself to work; During excision, at first give and drive light lotus root drive signal, drive controllable silicon conducting work, the of short duration work one little meeting of controllable silicon, reverse drive magnetic latching relay work again, and breaking-off contact disconnect the working signal that drives light lotus root and magnetic latching relay, disconnecting consumers during to the controllable silicon zero current is finished once resecting work.
The utility model absorbed contactor conducting internal resistance little, do not generate heat, reach advantages such as controllable silicon no-voltage input, zero current excision, successfully will drop into, when excising moment shove be controlled at≤1.5 times of specified running currents in, problem such as ideally solved the high voltage harmonic wave that in the capacitor switching process, occurs and shove greatly.
Four, description of drawings
Further specify the utility model below in conjunction with accompanying drawing.
Accompanying drawing is an embodiment electrical block diagram of the present utility model.
Among the figure: 1-light lotus root A 2-light lotus root B 3-current-limiting resistance 4-magnetic latching relay J 5-controllable silicon A 6-controllable silicon B L-electric power incoming line L1-load line 7-capacitor C
Five, embodiment
As shown in drawings, comprise light lotus root A1, light lotus root B2, current-limiting resistance 3, magnetic latching relay J4, controllable silicon A5, controllable silicon B6, its described controllable silicon A5 and controllable silicon B6 reverse parallel connection, and it is in parallel with magnetic latching relay J4, the trigger electrode of controllable silicon B6 is connected with resistance flowing resistance 3 one utmost points, resistance flowing resistance 3 another utmost points are connected with the 4. pin of light lotus root A1, the 6. pin of light lotus root A1 is connected with the 4. pin of light lotus root B2, the 6. pin of light lotus root B2 is connected with the trigger electrode of controllable silicon silicon A5, and one of magnetic latching relay J meets electric power incoming line L, the other end connects load line L1 one end.
Another termination capacitor C 7 one utmost points of load line L1, capacitor C 7 another utmost point connecting to neutral lines.
Claims (1)
1, a kind of mechanical action executive circuit device of low-voltage intelligent combination switch, comprise light lotus root A (1), light lotus root B (2), current-limiting resistance (3), magnetic latching relay J (4), controllable silicon A (5), controllable silicon B (6), it is characterized in that: described controllable silicon A (5) and controllable silicon B (6) reverse parallel connection, and it is in parallel with magnetic latching relay J (4), the trigger electrode of controllable silicon B (6) is connected with resistance flowing resistance (3) one utmost points, another utmost point of resistance flowing resistance (3) is connected with the 4. pin of light lotus root A (1), the 6. pin of light lotus root A (1) is connected with the 4. pin of light lotus root B (2), the 6. pin of light lotus root B (2) is connected with the trigger electrode of controllable silicon silicon A (5), and one of magnetic latching relay J meets electric power incoming line L, the other end connects load line L1 one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201265714U CN201359695Y (en) | 2009-03-09 | 2009-03-09 | Mechanical action executive circuit device of low voltage intelligent combination switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201265714U CN201359695Y (en) | 2009-03-09 | 2009-03-09 | Mechanical action executive circuit device of low voltage intelligent combination switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201359695Y true CN201359695Y (en) | 2009-12-09 |
Family
ID=41425460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201265714U Expired - Fee Related CN201359695Y (en) | 2009-03-09 | 2009-03-09 | Mechanical action executive circuit device of low voltage intelligent combination switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201359695Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201673A (en) * | 2010-03-24 | 2011-09-28 | 北京博电新能电力科技有限公司 | Switching device and method for cutting in and cutting off power equipment for power grid system |
| CN106300376A (en) * | 2015-07-29 | 2017-01-04 | 广州市金矢电子有限公司 | No-flashy-flow switching device and control method thereof |
| US10236682B2 (en) | 2015-02-27 | 2019-03-19 | Qiaoshi Guo | Inrush current free switching apparatus and control method thereof |
-
2009
- 2009-03-09 CN CNU2009201265714U patent/CN201359695Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201673A (en) * | 2010-03-24 | 2011-09-28 | 北京博电新能电力科技有限公司 | Switching device and method for cutting in and cutting off power equipment for power grid system |
| US10236682B2 (en) | 2015-02-27 | 2019-03-19 | Qiaoshi Guo | Inrush current free switching apparatus and control method thereof |
| CN106300376A (en) * | 2015-07-29 | 2017-01-04 | 广州市金矢电子有限公司 | No-flashy-flow switching device and control method thereof |
| WO2017016501A1 (en) * | 2015-07-29 | 2017-02-02 | 广州市金矢电子有限公司 | Inrush-current free switching device and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091209 Termination date: 20170309 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |