CN201556570U - Miniature circuit breaker provided with control interface - Google Patents
Miniature circuit breaker provided with control interface Download PDFInfo
- Publication number
- CN201556570U CN201556570U CN2009202832280U CN200920283228U CN201556570U CN 201556570 U CN201556570 U CN 201556570U CN 2009202832280 U CN2009202832280 U CN 2009202832280U CN 200920283228 U CN200920283228 U CN 200920283228U CN 201556570 U CN201556570 U CN 201556570U
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- transistor
- port
- control interface
- circuit breaker
- control signal
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Abstract
The utility model discloses a miniature circuit breaker provided with a control interface, comprising a shell, a magnetic latching relay, a driving circuit and the control interface, wherein a control signal is input into the driving circuit through the control interface; and the driving circuit is used for driving the magnetic latching relay to act. The miniature circuit breaker has the following benefits: as an electric control interface is added, automatic control and remote control can be realized, and intelligent control can be directly realized by the domestic miniature circuit breaker; the miniature circuit breaker provided with the control interface can be applied to an intelligent home and realize automatic and remote control for domestic electric equipment when being matched with an intelligent controller; and the driving circuit adopts the low-cost scheme, so that the miniature circuit breaker is practical, reliable and beneficial to being popularized and used in a great quantity.
Description
Technical field
The utility model belongs to a kind of release unit, relates in particular to household small-size release unit field.
Background technology
The household small-size release unit of known technology is a miniature circuit breaker, and miniature circuit breaker is mainly used in family's wall embedded type distribution box, uses very universal.Known household small-size release unit function is limited, and normal running can only be manual.
Magnetic latching relay is a kind of new type of relay that grew up in recent years, also is a kind of automatic switch.Magnetic latching relay is to be mainly used in IC-card pre-paying kilowatt-hour meter, the automatic meter reading system the earliest.Though magnetic latching relay is a kind of automatic switch, needs control circuit and cooperate and actually to use.In the epoch that Internet of Things arrives, Smart Home can be come into the ordinary people man, needs development one cost low, has both satisfied the ordinary people use habit, and the household small-size circuit breaker of Based Intelligent Control can be provided again.
Summary of the invention:
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of miniature circuit breaker with control interface is provided.
The technical solution of the utility model is as follows: the miniature circuit breaker of band control interface, comprise housing, magnetic latching relay, drive circuit, control interface, and control signal is imported described drive circuit by control interface; Drive circuit drives described magnetic latching relay action.
Described control interface comprises working power port, control signal port Ia, Ib; Described drive circuit comprises resistance R 1, R2, transistor Q3, Q4, Q5, Q6, port Oa, Ob; Described magnetic latching relay comprises port A, B.
The end of resistance R 1, R2, the emitter of transistor Q3, Q4 connect working power; The other end connection control signal port Ib of resistance R 1, the base stage of transistor Q4, Q5; The other end connection control signal port Ia of resistance R 2, the transistor (base stage of Q3, Q6; Port Oa is connected with collector electrode, the emitter of transistor Q5, the port A of transistor Q3; Port (Ob) is connected with collector electrode, the emitter of transistor Q6, the port B of transistor Q4; The grounded collector of transistor Q5, Q6.
Also comprise protective circuit, in order to avoid when control signal port Ia, Ib are 0 simultaneously the damage of described drive circuit.Described protective circuit comprises transistor Q1, Q2, and the collector electrode of transistor Q1, Q2 connects working power; The base stage of transistor Q1, Q2 is connected with control signal port Ib, Ia respectively; The emitter of transistor Q3, Q4 and working power disconnect, and link to each other with the emitter of transistor Q1, Q2 respectively.
When Ia is 0, Ib is 1 o'clock, and working power is through transistor Q1, Q3, port Oa entry port A, and through port B, port Ob, transistor Q6 ground connection, transistor Q2, Q4, Q5 all end; When Ia is 0, Ib is 1, keep 100ms after, just finished the closure of magnetic latching relay.
When Ia is 1, Ib is 0 o'clock, and working power is through transistor Q2, Q4, port Ob entry port B, and through port A, port Oa, transistor Q5 ground connection, transistor Q1, Q3, Q6 all end; When Ia is 1, Ib is 0, keep 100ms after, just finished the disconnection of magnetic latching relay.
Described working power voltage is DC12V.Described resistance R 1, R2 are 51K Ω.Described transistor Q3, Q4, Q5, Q6 model are 9012, and transistor Q1, Q2 model are 9013.
The beneficial effect that the utility model compared with prior art has is: increased electronic control interface, can realize control and Remote automatically, made the household small-size circuit breaker directly realize Based Intelligent Control; The miniature circuit breaker of band control interface is applied to Smart Home, and the cooperation intelligent controller can be realized the automatic and Remote to household electricity equipment; Drive circuit adopts lower cost solution, and is practical reliable, helps a large amount of popularizing and uses.
Description of drawings:
Fig. 1 is the utility model circuit structure block diagram;
Fig. 2 is the utility model circuit theory diagrams;
Fig. 3 is a drive circuit control impuls sequential schematic diagram.
Embodiment:
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
As shown in Figure 1, 2, the miniature circuit breaker of band control interface comprises housing, magnetic latching relay 4, drive circuit 3, control interface 1, protective circuit 2, and control signal is by the described drive circuit 3 of control interface 1 input; Drive circuit 3 drives described magnetic latching relay 4 actions.
The end of resistance R 1, R2, the collector electrode of transistor Q1, Q2 connect working power; The base stage of the other end connection control signal port Ib of resistance R 1, transistor Q1, Q4, Q5; The base stage of the other end connection control signal port Ia of resistance R 2, transistor Q2, Q3, Q6; Port Oa is connected with collector electrode, the emitter of transistor Q5, the port A of transistor Q3; Port Ob is connected with collector electrode, the emitter of transistor Q6, the port B of transistor Q4; The emitter of transistor Q3, Q4 links to each other with the emitter of transistor Q1, Q2 respectively, the grounded collector of transistor Q5, Q6.
The contact opening and closing state of magnetic latching relay 4 is that the magnetic force that is produced by permanent-magnet steel is kept at ordinary times.When the contact of relay need be opened or be closed state (when switching on or off load), only need to use just (instead) dc pulse voltage excitation coil, relay has just been finished the state exchange of opening and closing in moment, and drive circuit 3 control impuls sequential are as shown in Figure 3.
The control relation such as the following table of control interface 1 input, drive circuit 3 outputs, magnetic latching relay 4 actions:
When Ia is 0, Ib is 1 o'clock, and working power is through transistor Q1, Q3, port Oa entry port A, and through port B, port Ob, transistor Q6 ground connection, transistor Q2, Q4, Q5 all end; When Ia is 0, Ib is 1, keep 100ms after, just finished magnetic latching relay 4 closures.
When Ia is 1, Ib is 0 o'clock, and working power is through transistor Q2, Q4, port Ob entry port B, and through port A, port Oa, transistor Q5 ground connection, transistor Q1, Q3, Q6 all end; When Ia is 1, Ib is 0, keep 100ms after, just finished magnetic latching relay 4 and disconnected.
When Ia is 0, Ib is 0 o'clock, and transistor Q1, Q2 end, transistor Q3, Q4, the equal conducting of Q5, Q6, and port Oa, Ob are 0, and port A, B are 0, and magnetic latching relay 4 is in the state of keeping.
When Ia is 1, Ib is 1 o'clock, transistor Q1, Q2 conducting, and transistor Q3, Q4, Q5, Q6 all end, and port Oa, Ob are for disconnecting, and port A, B are for disconnecting, and magnetic latching relay 4 also is in the state of keeping.
Described working power vdd voltage is DC12V.Described resistance R 1, R2 are 51K Ω.Described transistor Q3, Q4, Q5, Q6 model are 9012, and transistor Q1, Q2 model are 9013.
In addition to the implementation, the utility model can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the protection range of the utility model requirement.
Claims (10)
1. the miniature circuit breaker of band control interface is characterized in that comprising housing, magnetic latching relay, drive circuit, control interface, and control signal is imported described drive circuit by control interface; Drive circuit drives described magnetic latching relay action.
2. the miniature circuit breaker of band control interface according to claim 1 is characterized in that described control interface comprises working power port, control signal port (Ia, Ib); Described drive circuit comprises resistance (R
1, R
2), transistor (Q
3, Q
4, Q
5, Q
6), port (Oa, Ob); Described magnetic latching relay comprises port (A, B).
3. the miniature circuit breaker of band control interface according to claim 2 is characterized in that resistance (R
1, R
2) an end, transistor (Q
3, Q
4) emitter connect working power; Resistance (R
1) other end connection control signal port (Ib), transistor (Q
4, Q
5) base stage; Resistance (R
2) other end connection control signal port (Ia), transistor (Q
3, Q
6) base stage; Port (Oa) and transistor (Q
3) collector electrode, transistor (Q
5) emitter, port (A) connect; Port (Ob) and transistor (Q
4) collector electrode, transistor (Q
6) emitter, port (B) connect; Transistor (Q
5, Q
6) grounded collector.
4. the miniature circuit breaker of band control interface according to claim 3 is characterized in that also comprising protective circuit, in order to avoid damaging described drive circuit when control signal port (Ia, Ib) when being 0 simultaneously.
5. the miniature circuit breaker of band control interface according to claim 4 is characterized in that described protective circuit comprises transistor (Q
1, Q
2), transistor (Q
1, Q
2) collector electrode connect working power; Transistor (Q
1, Q
2) base stage be connected with control signal port (Ib, Ia) respectively; Transistor (Q
3, Q
4) emitter and working power disconnect, and respectively with transistor (Q
1, Q
2) emitter link to each other.
6. the miniature circuit breaker of band control interface according to claim 5 is characterized in that working as control signal port (Ia) is 0, and control signal port (Ib) is 1 o'clock, and working power is through transistor (Q
1, Q
3), port (Oa) entry port (A), and through port (B, Ob), transistor (Q
6) ground connection, transistor (Q
2, Q
4, Q
5) all end; When control signal port (Ia) is 0, control signal port (Ib) is 1, keep 100ms after, just finished the closure of magnetic latching relay.
7. the miniature circuit breaker of band control interface according to claim 5 is characterized in that working as control signal port (Ia) is 1, and control signal port (Ib) is 0 o'clock, and working power is through transistor (Q
2, Q
4), port (Ob) entry port (B), and through port (A, Oa), transistor (Q
5) ground connection, transistor (Q
1, Q
3, Q
6) all end; When control signal port (Ia) is 1, control signal port (Ib) is 0, keep 100ms after, just finished the disconnection of magnetic latching relay.
8. the miniature circuit breaker of band control interface according to claim 5 is characterized in that described working power voltage is DC12V.
9. the miniature circuit breaker of band control interface according to claim 5 is characterized in that described resistance (R1, R2) is 51K Ω.
10. the miniature circuit breaker of band control interface according to claim 5 is characterized in that described transistor (Q3, Q4, Q5, Q6) model is 9012, and transistor (Q1, Q2) model is 9013.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202832280U CN201556570U (en) | 2009-12-30 | 2009-12-30 | Miniature circuit breaker provided with control interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202832280U CN201556570U (en) | 2009-12-30 | 2009-12-30 | Miniature circuit breaker provided with control interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201556570U true CN201556570U (en) | 2010-08-18 |
Family
ID=42616258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202832280U Expired - Fee Related CN201556570U (en) | 2009-12-30 | 2009-12-30 | Miniature circuit breaker provided with control interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201556570U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065872A (en) * | 2012-12-20 | 2013-04-24 | 华为技术有限公司 | Device for controlling magnetism-maintaining contactor |
| CN105759694A (en) * | 2016-04-22 | 2016-07-13 | 金陵科技学院 | Low voltage intelligent circuit breaking controller, and control method thereof |
-
2009
- 2009-12-30 CN CN2009202832280U patent/CN201556570U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065872A (en) * | 2012-12-20 | 2013-04-24 | 华为技术有限公司 | Device for controlling magnetism-maintaining contactor |
| CN103065872B (en) * | 2012-12-20 | 2015-04-15 | 华为技术有限公司 | Device for controlling magnetism-maintaining contactor |
| CN105759694A (en) * | 2016-04-22 | 2016-07-13 | 金陵科技学院 | Low voltage intelligent circuit breaking controller, 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: 20100818 Termination date: 20141230 |
|
| EXPY | Termination of patent right or utility model |