CN205004949U - Thing networking intelligence switch - Google Patents
Thing networking intelligence switch Download PDFInfo
- Publication number
- CN205004949U CN205004949U CN201520625516.5U CN201520625516U CN205004949U CN 205004949 U CN205004949 U CN 205004949U CN 201520625516 U CN201520625516 U CN 201520625516U CN 205004949 U CN205004949 U CN 205004949U
- Authority
- CN
- China
- Prior art keywords
- circuit
- electric capacity
- triode
- resistance
- input
- 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
Links
Landscapes
- Electronic Switches (AREA)
Abstract
The utility model relates to an electronic switch technical field, specifically speaking relates to a thing networking intelligence switch. The utility model discloses a connect gradually EMC circuit, rectifier circuit, reduction voltage circuit and switch circuit, the EMC circuit includes common mode filter circuit and differential mode filter circuit, and the common mode filter circuit includes transformer L1, and differential mode filter circuit includes inductance L2 and electric capacity CX1, the zero line input of EMC circuit passes through primary coil of transformer L1 to be connected with one of them input electricity of rectifier circuit, and the firewire input port of EMC circuit passes through transformer L1's secondary coil and is connected with another input of rectifier circuit is electric, and wherein, firewire input port loops through inductance L2, electric capacity CX1 is connected with the zero line input. The utility model discloses a EMC circuit carries out the anti -interference of preceding stage and filtering is handled, effectual assurance control switch normal use.
Description
Technical field
The utility model relates to electronic switching technology field, specifically, relates to a kind of Internet of Things intelligent switch.
Background technology
Along with the development of electronic technology, network, digital circuit and network technology all obtain very large development, when controlling household electrical appliances, Long-distance Control can be carried out by things internet switch, because Internet of Things intelligent switch is when designing, its internal wiring is more, and the magnetic field of generation is also more; But the diamagnetism of digital circuit is poor, when have electronic equipment near time, the frequent distortion of control signal, therefore need to design a kind of can the Internet of Things intelligent switch of electromagnetism interference.
Utility model content
The purpose of this utility model is to solve the deficiencies in the prior art, and provide a kind of Internet of Things intelligent switch, this switch can electromagnetism interference.
The technical solution adopted in the utility model is:
A kind of Internet of Things intelligent switch, comprise and connect EMC circuit, rectification circuit, reduction voltage circuit and switching circuit successively, EMC circuit comprises common mode filtering circuit and differential mode filter circuit, and common mode filtering circuit comprises transformer L1, and differential mode filter circuit comprises inductance L 2 and electric capacity CX1; The zero line input of EMC circuit is electrically connected with one of them input of rectification circuit by primary coil of transformer L1, the live wire input of EMC circuit is electrically connected with another input of rectification circuit by the secondary coil of transformer L1, wherein, live wire input is connected with zero line input by inductance L 2, electric capacity CX1 successively.
Further, common mode filtering circuit also comprises electric capacity CY1 and electric capacity CY2; Electric capacity CY1 and electric capacity CY2 is series between two inputs of rectification circuit, and the link of electric capacity CY1 and electric capacity CY2 is by inductance L 3 ground connection.
Electric capacity CY1 and electric capacity CY2 is symmetrical arranged, and by inductance L 3 ground connection; Effectively can eliminate common-mode signal.
Again further, differential mode filter circuit also comprises electric capacity CY2, and the two ends of electric capacity CY2 are connected with two inputs of rectification circuit respectively.
Electric capacity CY2 carries out filtering process again to circuit.
Rectification circuit is full bridge rectifier.
Reduction voltage circuit is pfc circuit.
The output of full bridge rectifier is by electric capacity C1 ground connection.
Further, switching circuit comprises triode Q1, triode Q2 and field effect transistor Q3; The base stage of triode Q1 is connected with control end signal by resistance R3, the collector electrode of triode Q1 is connected with the input end signal of switching circuit by resistance R7, resistance R9 successively, the collector electrode of triode Q1 is connected with the base stage of triode Q2 by resistance R6, the emitter of triode Q1, the equal ground connection of emitter of triode Q2; The collector electrode of triode Q2 is connected with the input end signal of switching circuit by resistance R4, resistance R10 successively, the G pole of field effect transistor Q3 is connected with the collector electrode of triode Q2 by resistance R5, resistance R8 successively, and the S pole of field effect transistor Q3 is connected with the input end signal of switching circuit; The output of the D pole connecting valve circuit of field effect transistor Q3.
Further, the output of switching circuit is by electric capacity C3 ground connection.
Further, diode D1 is connected with between the collector electrode of resistance R7 and triode Q1.
Further, the D pole of field effect transistor Q3 is connected with the output of switching circuit by light-emitting diode D3.
The beneficial effects of the utility model are: the utility model adopts EMC circuit to carry out the anti-interference of prime and filtering process, and effective guarantee control switch normally uses.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present utility model.
Description of reference numerals:
1---EMC circuit 2---switching circuit.
Embodiment
Below in conjunction with accompanying drawing 1 and embodiment, the utility model is further described.
Embodiment 1: see accompanying drawing 1.
A kind of Internet of Things intelligent switch, comprise and connect EMC circuit 1, rectification circuit, reduction voltage circuit and switching circuit 2 successively, EMC circuit 1 comprises common mode filtering circuit and differential mode filter circuit, and common mode filtering circuit comprises transformer L1, and differential mode filter circuit comprises inductance L 2 and electric capacity CX1; The zero line input of EMC circuit 1 is electrically connected with one of them input of rectification circuit by primary coil of transformer L1, the live wire input of EMC circuit 1 is electrically connected with another input of rectification circuit by the secondary coil of transformer L1, wherein, live wire input is connected with zero line input by inductance L 2, electric capacity CX1 successively.
In the technical program, carry out filtering process by common mode filtering circuit and differential mode filter circuit to input current, anti-interference is good.
Further, common mode filtering circuit also comprises electric capacity CY1 and electric capacity CY2; Electric capacity CY1 and electric capacity CY2 is series between two inputs of rectification circuit, and the link of electric capacity CY1 and electric capacity CY2 is by inductance L 3 ground connection.
Electric capacity CY1 and electric capacity CY2 is symmetrical arranged, and by inductance L 3 ground connection; Effectively can eliminate common-mode signal.
Again further, differential mode filter circuit also comprises electric capacity CY2, and the two ends of electric capacity CY2 are connected with two inputs of rectification circuit respectively.
Electric capacity CY2 carries out filtering process again to circuit.
Rectification circuit is full bridge rectifier.
Reduction voltage circuit is pfc circuit.
The output of full bridge rectifier is by electric capacity C1 ground connection.
Further, switching circuit 2 comprises triode Q1, triode Q2 and field effect transistor Q3; The base stage of triode Q1 is connected with control end signal by resistance R3, the collector electrode of triode Q1 is connected with the input end signal of switching circuit 2 by resistance R7, resistance R9 successively, the collector electrode of triode Q1 is connected with the base stage of triode Q2 by resistance R6, the emitter of triode Q1, the equal ground connection of emitter of triode Q2; The collector electrode of triode Q2 is connected with the input end signal of switching circuit 2 by resistance R4, resistance R10 successively, the G pole of field effect transistor Q3 is connected with the collector electrode of triode Q2 by resistance R5, resistance R8 successively, and the S pole of field effect transistor Q3 is connected with the input end signal of switching circuit 2; The output of the D pole connecting valve circuit 2 of field effect transistor Q3.
When this switching circuit 22 works, send a low level signal POW_EN by control end to the base stage of triode Q1, triode Q1 ends; Now triode Q2 conducting, the G pole of field effect transistor Q3 obtains triode Q2 collector voltage, is low level; Field effect transistor Q3 conducting, thus externally export.Control externally to export by control end.When control end sends a high level signal POW_EN, triode Q1 conducting to the base stage of triode Q1, the base stage of triode Q2 obtains triode Q1 collector voltage, and be low-voltage, triode Q2 ends; The G pole of field effect transistor Q3 is identical with S electrode potential, and field effect transistor Q3 ends.Externally exported by control end control switch circuit 22.
Further, the output of switching circuit 2 is by electric capacity C3 ground connection.
Arrange electric capacity C3, the electric current that can externally export carries out filtering.
Further, diode D1 is connected with between the collector electrode of resistance R7 and triode Q1.
Further, the D pole of field effect transistor Q3 is connected with the output of switching circuit 2 by light-emitting diode D3.
Light-emitting diode D3 is set, the operating state of switching circuit 2 can be observed.Be convenient to manipulation.
The utility model has been done to explain, and those of ordinary skill in the art should be appreciated that and can modify to the technical solution of the utility model or equivalent replacement, and does not depart from essence and the scope of technical solutions of the utility model.
Claims (8)
1. an Internet of Things intelligent switch, it is characterized in that: comprise and connect EMC circuit, rectification circuit, reduction voltage circuit and switching circuit successively, EMC circuit comprises common mode filtering circuit and differential mode filter circuit, and common mode filtering circuit comprises transformer L1, and differential mode filter circuit comprises inductance L 2 and electric capacity CX1; The zero line input of EMC circuit is electrically connected with one of them input of rectification circuit by primary coil of transformer L1, the live wire input of EMC circuit is electrically connected with another input of rectification circuit by the secondary coil of transformer L1, wherein, live wire input is connected with zero line input by inductance L 2, electric capacity CX1 successively; Switching circuit comprises triode Q1, triode Q2 and field effect transistor Q3; The base stage of triode Q1 is connected with control end signal by resistance R3, the collector electrode of triode Q1 is connected with the input end signal of switching circuit by resistance R7, resistance R9 successively, the collector electrode of triode Q1 is connected with the base stage of triode Q2 by resistance R6, the emitter of triode Q1, the equal ground connection of emitter of triode Q2; The collector electrode of triode Q2 is connected with the input end signal of switching circuit by resistance R4, resistance R10 successively, the G pole of field effect transistor Q3 is connected with the collector electrode of triode Q2 by resistance R5, resistance R8 successively, and the S pole of field effect transistor Q3 is connected with the input end signal of switching circuit; The output of the D pole connecting valve circuit of field effect transistor Q3.
2. a kind of Internet of Things intelligent switch according to claim 1, is characterized in that: common mode filtering circuit also comprises electric capacity CY1 and electric capacity CY2; Electric capacity CY1 and electric capacity CY2 is series between two inputs of rectification circuit, and the link of electric capacity CY1 and electric capacity CY2 is by inductance L 3 ground connection.
3. a kind of Internet of Things intelligent switch according to claim 2, is characterized in that: differential mode filter circuit also comprises electric capacity CY2, and the two ends of electric capacity CY2 are connected with two inputs of rectification circuit respectively.
4. a kind of Internet of Things intelligent switch according to claim 1, is characterized in that: rectification circuit is full bridge rectifier.
5. a kind of Internet of Things intelligent switch according to claim 1, is characterized in that: reduction voltage circuit is pfc circuit.
6. a kind of Internet of Things intelligent switch according to claim 1, is characterized in that: the output of switching circuit is by electric capacity C3 ground connection.
7. a kind of Internet of Things intelligent switch according to claim 6, is characterized in that: be connected with diode D1 between the collector electrode of resistance R7 and triode Q1.
8. a kind of Internet of Things intelligent switch according to claim 6, is characterized in that: the D pole of field effect transistor Q3 is connected with the output of switching circuit by light-emitting diode D3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520625516.5U CN205004949U (en) | 2015-08-19 | 2015-08-19 | Thing networking intelligence switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520625516.5U CN205004949U (en) | 2015-08-19 | 2015-08-19 | Thing networking intelligence switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205004949U true CN205004949U (en) | 2016-01-27 |
Family
ID=55161819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520625516.5U Expired - Fee Related CN205004949U (en) | 2015-08-19 | 2015-08-19 | Thing networking intelligence switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205004949U (en) |
-
2015
- 2015-08-19 CN CN201520625516.5U patent/CN205004949U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102709995B (en) | Uninterruptible power supply circuit and control method thereof | |
| CN203039574U (en) | Power supply circuit capable of solving problem of grounding system common-mode lightning stroke restart | |
| CN203933369U (en) | A kind of common mode Electromagnetic interference filter for AC/AC switch converters | |
| CN203827203U (en) | High-power optical storage integrated converter | |
| CN205004949U (en) | Thing networking intelligence switch | |
| CN203747679U (en) | Power adapter circuit resistant to high-frequency interference | |
| CN205004950U (en) | A magnetic screen switch for thing networking | |
| CN205051349U (en) | Live wire and zero line connect wrong automatic break circuit | |
| CN204103799U (en) | A kind of power circuit of gas ionization pipe | |
| CN203166765U (en) | Isolation type DC/DC converter based on modularization multi-level transverter | |
| CN102958248A (en) | LED (Light Emitting Diode) lighting circuit | |
| CN206422530U (en) | A kind of anti-interference capacitor composite switching device | |
| CN206547053U (en) | Commutator transformer without straight-through problem | |
| CN202075339U (en) | Zero crossing detection circuit | |
| CN204481705U (en) | A kind of single live wire power getting device | |
| CN206259752U (en) | Integrated uninterruptible power supply provider | |
| CN205791526U (en) | A kind of parallel connection type hybrid passive filtering compensation device | |
| CN205179469U (en) | Novel LED driving circuit | |
| CN204633606U (en) | Based on the high power switching power supply of DSP | |
| CN203522557U (en) | Voltage reducing circuit and electronic device | |
| CN205081465U (en) | Anti -surge circuit | |
| CN203072189U (en) | LED lighting circuit | |
| CN203883663U (en) | A circuit for generating control signals of two states for alternating current electric equipment | |
| CN204103784U (en) | The power supply stack module of network power supply | |
| CN209282020U (en) | A kind of anti-electricity-theft 10kV current transformer of band inside cut-off point |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20180819 |