CN105702525A - Dual-disconnection switch controller - Google Patents
Dual-disconnection switch controller Download PDFInfo
- Publication number
- CN105702525A CN105702525A CN201610205945.6A CN201610205945A CN105702525A CN 105702525 A CN105702525 A CN 105702525A CN 201610205945 A CN201610205945 A CN 201610205945A CN 105702525 A CN105702525 A CN 105702525A
- Authority
- CN
- China
- Prior art keywords
- circuit
- switch controller
- resistance
- change
- disconnection switch
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
- H01H47/16—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for conjoint, e.g. additive, operation of the relay
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- Relay Circuits (AREA)
Abstract
The invention discloses a dual-disconnection switch controller. The dual-disconnection switch controller comprises a shell, wherein a circuit board is fixed in the shell; the circuit board is provided with a control circuit; the control circuit comprises an AC-DC switching circuit, a DC-DC switching circuit, an MCU and a relay control circuit; the AC-DC switching circuit is used for supplying direct current to the DC-DC switching circuit and the relay control circuit; the DC-DC switching circuit is used for supplying power to the MCU; and the relay control circuit is used for controlling the on/off of a neutral wire and a live wire, and is controlled by the MCU. According to the dual-disconnection switch controller, the relay control circuit is used for controlling the on/off of the neutral wire and the live wire, so that the safety level of the product is improved; and the neutral wire and the live wire are subjected to dual-disconnection protection by the dual-path control.
Description
Technical field
The present invention relates to a kind of dual disconnection switch controller。
Background technology
Traditional miniature circuit breakers only can disconnect a wherein line for the control of live wire Yu zero line, such potential safety hazard exactly once live wire counter with zero line fall after, there is the phenomenon that live wire does not disconnect。
Summary of the invention
(1) to solve the technical problem that
Present invention aim to overcome disadvantages mentioned above, it is desirable to provide a kind of dual disconnection switch controller。
(2) technical scheme
For reaching above-mentioned purpose, the dual disconnection switch controller of the present invention, including housing, in described housing, it is fixed with circuit board, described circuit board is provided with control circuit；Described control circuit includes AC-DC change-over circuit, DC-DC change-over circuit, MCU and control relay circuit；
AC-DC change-over circuit is for providing unidirectional current for DC-DC change-over circuit and control relay circuit；
DC-DC change-over circuit is that MCU powers；
Control relay circuit is for controlling the break-make of zero live wire, and is controlled by MCU。
Further, AC-DC change-over circuit includes rectifier bridge DB1, resistance R1, resistance R2, resistance R4 and electric capacity C1, and 1 foot of described rectifier bridge DB1 connects one end of resistance R4 and electric capacity C1, the electric capacity C1 other end connects resistance R1 and resistance R2, and the resistance R1 other end connects live wire input；3 feet of rectifier bridge DB1 connect zero line input；The outfan of rectifier bridge DB1 connects filter capacitor E1。
Further, DC-DC change-over circuit includes three-terminal voltage-stabilizing chip U1, and three-terminal voltage-stabilizing chip U1 input connects the outfan of rectifier bridge DB1；Series resistance R3 and stabilivolt Z1 between three-terminal voltage-stabilizing chip U1 input and ground connection；Three-terminal voltage-stabilizing chip U1 outfan arranges filter capacitor E3。
Further, control relay circuit includes relay J 1 and audion Q7, and described audion Q7 base stage is controlled by MCU, grounded emitter, and colelctor electrode connects diode D5 positive pole, and described diode D5 negative pole connects the outfan of rectifier bridge DB1；Described relay J 1 is in parallel with diode D5, and described relay J 1 is for controlling zero line input and the break-make of live wire input。
Further, described three-terminal voltage-stabilizing chip U1 is 78L05 chip。
Further, described circuit board both sides are each provided with a locating slot, and described housing is additionally provided with the fixing post for the circuit board that is spirally connected；Described circuit board is additionally provided with the screw being spirally connected with fixing post。
Further, described circuit board front end is provided with power pin。
(3) beneficial effect
Compared with prior art, technical scheme has the advantage that controlling zero live wire break-make simultaneously with relay circuit improves the level of security of product, and two-way controls live wire and zero line are carried out dual disconnection protection。
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the dual disconnection switch controller of the present invention；
Fig. 2 is the structural representation of the dual disconnection switch controller of the present invention。
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail。Following example are used for illustrating the present invention, but are not limited to the scope of the present invention。
As it is shown in figure 1, the dual disconnection switch controller of the present invention, including housing 1, being fixed with circuit board 2 in described housing 1, described circuit board 2 is provided with control circuit；Described control circuit includes AC-DC change-over circuit, DC-DC change-over circuit, MCU and control relay circuit；
AC-DC change-over circuit is for providing unidirectional current for DC-DC change-over circuit and control relay circuit；
DC-DC change-over circuit is that MCU powers；
Control relay circuit is for controlling the break-make of zero live wire, and is controlled by MCU。
AC-DC change-over circuit includes rectifier bridge DB1, resistance R1, resistance R2, resistance R4 and electric capacity C1, and 1 foot of described rectifier bridge DB1 connects one end of resistance R4 and electric capacity C1, and the electric capacity C1 other end connects resistance R1 and resistance R2, and the resistance R1 other end connects live wire input；3 feet of rectifier bridge DB1 connect zero line input；The outfan of rectifier bridge DB1 connects filter capacitor E1。
DC-DC change-over circuit includes three-terminal voltage-stabilizing chip U1, and three-terminal voltage-stabilizing chip U1 input connects the outfan of rectifier bridge DB1；Series resistance R3 and stabilivolt Z1 between three-terminal voltage-stabilizing chip U1 input and ground connection；Three-terminal voltage-stabilizing chip U1 outfan arranges filter capacitor E3。
Control relay circuit includes relay J 1 and audion Q7, and described audion Q7 base stage is controlled by MCU, grounded emitter, and colelctor electrode connects diode D5 positive pole, and described diode D5 negative pole connects the outfan of rectifier bridge DB1；Described relay J 1 is in parallel with diode D5, and described relay J 1 is for controlling zero line input and the break-make of live wire input。
Described three-terminal voltage-stabilizing chip U1 is 78L05 chip。
As in figure 2 it is shown, described circuit board 2 both sides are each provided with a locating slot 3, described housing 1 is additionally provided with the fixing post 4 for the circuit board 2 that is spirally connected；Described circuit board 2 is additionally provided with the screw 5 being spirally connected with fixing post 4；Described circuit board 2 front end is provided with power pin 6。
Operation principle of the present invention:
When this controller is in "on" position, the switch terminals of relay J 1 is in an ON state, AC-DC change-over circuit, DC-DC change-over circuit, MCU are in running order, when MCU obtains power-off signal, the 7 foot output high level of MCU, thus trigger triode Q7 base stage, audion Q7 is made to turn on, relay J 1 forms loop with earth terminal, thus triggering switch terminals to disconnect zero live wire input, completing zero live wire and simultaneously switching off and Operating In Persistent Current Mode。
Present invention relay circuit controls zero live wire break-make simultaneously and improves the level of security of product, and two-way controls live wire and zero line are carried out dual disconnection protection。
In sum, above-mentioned embodiment is not the restricted embodiment of the present invention, modification that all those skilled in the art carry out on the basis of the flesh and blood of the present invention or equivalent deformation, all at the technology category of the present invention。
Claims (7)
1. a dual disconnection switch controller, it is characterised in that: including housing, be fixed with circuit board in described housing, described circuit board is provided with control circuit；Described control circuit includes AC-DC change-over circuit, DC-DC change-over circuit, MCU and control relay circuit；
AC-DC change-over circuit is for providing unidirectional current for DC-DC change-over circuit and control relay circuit；
DC-DC change-over circuit is that MCU powers；
Control relay circuit is for controlling the break-make of zero live wire, and is controlled by MCU。
2. dual disconnection switch controller as claimed in claim 1, it is characterized in that: AC-DC change-over circuit includes rectifier bridge DB1, resistance R1, resistance R2, resistance R4 and electric capacity C1,1 foot of described rectifier bridge DB1 connects one end of resistance R4 and electric capacity C1, the electric capacity C1 other end connects resistance R1 and resistance R2, and the resistance R1 other end connects live wire input；3 feet of rectifier bridge DB1 connect zero line input；The outfan of rectifier bridge DB1 connects filter capacitor E1。
3. dual disconnection switch controller as claimed in claim 2, it is characterised in that: DC-DC change-over circuit includes three-terminal voltage-stabilizing chip U1, and three-terminal voltage-stabilizing chip U1 input connects the outfan of rectifier bridge DB1；Series resistance R3 and stabilivolt Z1 between three-terminal voltage-stabilizing chip U1 input and ground connection；Three-terminal voltage-stabilizing chip U1 outfan arranges filter capacitor E3。
4. dual disconnection switch controller as claimed in claim 3, it is characterized in that: control relay circuit includes relay J 1 and audion Q7, described audion Q7 base stage is controlled by MCU, grounded emitter, colelctor electrode connects diode D5 positive pole, and described diode D5 negative pole connects the outfan of rectifier bridge DB1；Described relay J 1 is in parallel with diode D5, and described relay J 1 is for controlling zero line input and the break-make of live wire input。
5. dual disconnection switch controller as claimed in claim 4, it is characterised in that: described three-terminal voltage-stabilizing chip U1 is 78L05 chip。
6. dual disconnection switch controller as claimed in claim 5, it is characterised in that: described circuit board both sides are each provided with a locating slot, and described housing is additionally provided with the fixing post for the circuit board that is spirally connected；Described circuit board is additionally provided with the screw being spirally connected with fixing post。
7. dual disconnection switch controller as claimed in claim 6, it is characterised in that: described circuit board front end is provided with power pin。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610205945.6A CN105702525A (en) | 2016-04-01 | 2016-04-01 | Dual-disconnection switch controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610205945.6A CN105702525A (en) | 2016-04-01 | 2016-04-01 | Dual-disconnection switch controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105702525A true CN105702525A (en) | 2016-06-22 |
Family
ID=56219030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610205945.6A Pending CN105702525A (en) | 2016-04-01 | 2016-04-01 | Dual-disconnection switch controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105702525A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201369471Y (en) * | 2009-03-19 | 2009-12-23 | 南京林业大学 | Multi-functional safe energy-saving timing socket |
| CN103296895A (en) * | 2013-06-03 | 2013-09-11 | 杭州电子科技大学 | DC-DC voltage switching circuit |
| CN104283039A (en) * | 2014-10-02 | 2015-01-14 | 中国人民解放军第五七一九工厂 | Electric shock preventing socket for safety utilization of electricity |
| CN204350411U (en) * | 2015-01-30 | 2015-05-20 | 聊城市科特祥瑞新能源有限公司 | A kind of LED emergency light |
| CN205428831U (en) * | 2016-04-01 | 2016-08-03 | 宁波科曼电子科技有限公司 | Dual disconnection on -off controller |
-
2016
- 2016-04-01 CN CN201610205945.6A patent/CN105702525A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201369471Y (en) * | 2009-03-19 | 2009-12-23 | 南京林业大学 | Multi-functional safe energy-saving timing socket |
| CN103296895A (en) * | 2013-06-03 | 2013-09-11 | 杭州电子科技大学 | DC-DC voltage switching circuit |
| CN104283039A (en) * | 2014-10-02 | 2015-01-14 | 中国人民解放军第五七一九工厂 | Electric shock preventing socket for safety utilization of electricity |
| CN204350411U (en) * | 2015-01-30 | 2015-05-20 | 聊城市科特祥瑞新能源有限公司 | A kind of LED emergency light |
| CN205428831U (en) * | 2016-04-01 | 2016-08-03 | 宁波科曼电子科技有限公司 | Dual disconnection on -off controller |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160622 |