CN210579328U - Single live wire power-taking circuit based on microswitch or optocoupler control - Google Patents
Single live wire power-taking circuit based on microswitch or optocoupler control Download PDFInfo
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- CN210579328U CN210579328U CN201921297287.3U CN201921297287U CN210579328U CN 210579328 U CN210579328 U CN 210579328U CN 201921297287 U CN201921297287 U CN 201921297287U CN 210579328 U CN210579328 U CN 210579328U
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Abstract
The utility model relates to a single live wire gets electric circuit based on micro-gap switch or opto-coupler control, its technical characterstic lies in: the circuit comprises a high-voltage division unit, a microswitch optocoupler unit, an NMOS control unit and a PMOS control unit; the high-voltage division unit is used for dividing the mains supply, and the output end of the high-voltage division unit is used for communicating the divided voltage to the NMOS control unit through the microswitch optical coupling unit and controlling the conduction of the NMOS control unit; and the output end of the NMOS control unit is connected with the PMOS control unit and is used for further guiding the PMOS control unit to be communicated. The utility model discloses the ghost fire phenomenon of lamps and lanterns has been avoided.
Description
Technical Field
The utility model belongs to the technical field of the electron, especially, electric circuit is got to single live wire based on micro-gap switch or opto-coupler control.
Background
At present, the electricity-taking mode of an intelligent switch in the market needs to take electricity through a single live wire, a single live wire electricity-taking scheme is adopted, certain current needs to be stolen when a lamp is turned off, and energy-saving lamps, such as energy-saving lamps and LED lamps, are generally used at present, due to the inherent electricity-taking mode, if the stolen current is too large, the lamp can generate ghost fire (twinkling).
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides a circuit is got to single live wire based on micro-gap switch or opto-coupler control, but the formation of electric loop is got in effective control, and then eliminates the production of ghost fire phenomenon.
The utility model provides a its technical problem take following technical scheme to realize:
a single live wire power taking circuit based on microswitch or optical coupler control comprises a high-voltage division unit, a microswitch optical coupler unit, an NMOS control unit and a PMOS control unit; the high-voltage division unit is used for dividing the mains supply, and the output end of the high-voltage division unit is used for communicating the divided voltage to the NMOS control unit through the microswitch optical coupling unit and controlling the conduction of the NMOS control unit; and the output end of the NMOS control unit is connected with the PMOS control unit and is used for further guiding the PMOS control unit to be communicated.
Moreover, the high voltage dividing unit comprises a first resistor R1 and a second resistor R2; the first resistor R1 and the second resistor R2 are connected in a high-voltage loop in series, the connection end of the first resistor R1 and the second resistor R2 is connected with one end of a first microswitch S1 of the microswitch optical coupling unit, and the other end of the first microswitch S1 is connected with the end G of a first NMOS tube Q1 in the NMOS control unit;
furthermore, the microswitch optical coupling unit comprises a first microswitch S1, a first capacitor C1 and a first optical coupler U1; the first microswitch S1, the first capacitor C1 and the detection end of the first optocoupler U1 are connected in parallel and then connected to the G end of a first NMOS transistor Q1 in the NMOS control unit.
Moreover, the NMOS control unit includes a third resistor R3, a second capacitor C2, a first NMOS transistor Q1, a fourth resistor R4, and a fifth resistor R5; the third resistor R3 and the second capacitor C2 are connected in parallel and then are respectively connected to the G end and the ground end of the first NMOS transistor Q1; two ends of the fourth resistor R4 are respectively connected with a power-taking high-voltage anode of the system and the D end of the first NMOS tube Q1; the D end of the first NMOS transistor Q1 is also connected with the G end of a second PMOS transistor Q2 of the PMOS control unit; two ends of the fifth resistor R5 are respectively connected with the S end and the ground end of the first NMOS transistor Q1.
Moreover, the PMOS control unit includes a second PMOS transistor Q2, the S terminal and the D terminal of the second PMOS transistor Q2 are respectively connected in series to the positive and negative voltage terminals of the power-taking circuit.
The utility model has the advantages that:
1. the utility model provides a control circuit of electric loop is got to single fire can effective control get the formation of electric loop, when lamps and lanterns are in steady state, gets the electric loop inefficacy, and except lamps and lanterns major loop, other return circuits do not form this moment, do not consequently have extra electric current to flow through lamps and lanterns, have effectively eliminated the ghost fire phenomenon.
2. The utility model provides a get electric circuit control circuit that is arranged in single fire to get electricity in intelligence wall switch, it uses comparatively simple device alright reach and use ordinary micro-gap switch or opto-coupler control to get the effect of the forceful electric power circuit in the electric circuit. The user is through pressing micro-gap switch or through wireless module IO drive opto-coupler, and the control end of NMOS pipe is inserted to the low pressure after the high pressure partial pressure this moment, and the control NMOS pipe switches on, thereby switches on PMOS pipe one, and the single fire is got the electric return circuit and is just can be formed this moment, the utility model discloses the production of the leakage current of lamps and lanterns under the closed condition has effectively been controlled to the ghost fire phenomenon of lamps and lanterns has been avoided. And the pressing experience of a user is improved due to the adoption of the micro switch.
Drawings
Fig. 1 is a topological diagram of a single live wire power-taking circuit based on micro-switches or optical coupling control according to the present invention;
fig. 2 is the utility model discloses a circuit diagram of circuit is got to single live wire based on micro-gap switch or opto-coupler control.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings:
a single live wire power taking circuit based on microswitch or optocoupler control has the main advantages that a microswitch or optocoupler can be used for controlling a high-voltage circuit, and as shown in figure 1, the circuit comprises a high-voltage division unit 1, a microswitch optocoupler unit 2, an NMOS control unit 3 and a PMOS control unit 4; the high-voltage division unit is used for dividing the mains supply, and the output end of the high-voltage division unit is used for communicating the divided voltage to the NMOS control unit through the microswitch optical coupling unit and controlling the conduction of the NMOS control unit; and the output end of the NMOS control unit is connected with the PMOS control unit and is used for further guiding the PMOS control unit to be communicated.
In this embodiment, the high-voltage dividing unit 1 divides 220VAC into a voltage of about 10VAC, and the micro-switch optocoupler unit 2 is configured to communicate the divided voltage to the NMOS control unit 3, and may control the conduction of the NMOS, and finally guide the communication of the PMOS control unit 4. Therefore, the purpose of controlling the high-voltage loop by the microswitch or the optocoupler, namely the purpose of controlling the power-taking loop is achieved.
As shown in fig. 2, the high voltage dividing unit includes a first resistor R1 and a second resistor R2; the first resistor R1 and the second resistor R2 are connected in a high-voltage loop in series, the connection end of the first resistor R1 and the second resistor R2 is connected with one end of a first microswitch S1 of the microswitch optical coupling unit, and the other end of the first microswitch S1 is connected with the end G of a first NMOS tube Q1 in the NMOS control unit.
In the embodiment, one end of the first resistor R1 is connected to AC220V, the other end is connected to one end of a second resistor R2, and the other end of the second resistor R2 is grounded; and the connection end J of the first resistor R1 and the second resistor R2 is connected with one end of a first microswitch S1 of the microswitch optical coupling unit.
As shown in fig. 2, the micro-switch optical coupler unit comprises a first micro-switch S1, a first capacitor C1 and a first optical coupler U1; the first microswitch S1, the first capacitor C1 and the detection ends (pin4, pin5) of the first optocoupler U1 are connected in parallel and then connected to the G end (grid) of the first NMOS transistor Q1 in the NMOS control unit.
In the present embodiment, the micro-switch optical coupler unit includes a first micro-switch S1, a first capacitor C1 and a first optical coupler U1; the first optocoupler U1 comprises a light emitting diode and a phototriode; two ends of the first microswitch S1 are respectively connected with two ends of a first capacitor C1, and two ends of the first microswitch S1 are respectively connected with a collector (pin5) and an emitter (pin4) of a phototriode in a first optocoupler U1; an anode (pin1) of a light emitting diode in the first optocoupler U1 is connected with one end of a sixth resistor R6, and the other end of the sixth resistor R6 is connected with DC3.3V; the cathode (pin2) of the light emitting diode is connected to the Zib _ io port; the first microswitch S1, the first capacitor C1 and the detection ends (pin4, pin5) of the first optocoupler U1 are connected in parallel and then connected to the G end (grid) of the first NMOS transistor Q1 in the NMOS control unit.
As shown in fig. 2, the NMOS control unit includes a third resistor R3, a second capacitor C2, a first NMOS transistor Q1, a fourth resistor R4, and a fifth resistor R5; the third resistor R3 and the second capacitor C2 are connected in parallel and then are respectively connected to the G end and the ground end of the first NMOS transistor Q1; two ends of the fourth resistor R4 are respectively connected with a power-taking high-voltage anode of the system and the D end of the first NMOS tube Q1; the D end of the first NMOS transistor Q1 is also connected with the G end of a second PMOS transistor Q2 of the PMOS control unit; two ends of the fifth resistor R5 are respectively connected with the S end and the ground end of the first NMOS transistor Q1.
As shown in fig. 2, the PMOS control unit includes a second PMOS transistor Q2, the S terminal and the D terminal of the second PMOS transistor Q2 are respectively connected in series to the positive and negative voltage terminals of the power-taking circuit.
It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the present invention includes but is not limited to the embodiments described in the detailed description, as well as other embodiments derived from the technical solutions of the present invention by those skilled in the art, which also belong to the scope of the present invention.
Claims (5)
1. The utility model provides a circuit is got to single live wire based on micro-gap switch or opto-coupler control which characterized in that: the circuit comprises a high-voltage division unit, a microswitch optocoupler unit, an NMOS control unit and a PMOS control unit; the high-voltage division unit is used for dividing the mains supply, and the output end of the high-voltage division unit is used for communicating the divided voltage to the NMOS control unit through the microswitch optical coupling unit and controlling the conduction of the NMOS control unit; and the output end of the NMOS control unit is connected with the PMOS control unit and is used for further guiding the PMOS control unit to be communicated.
2. The single live wire power-taking circuit based on the micro switch or the optical coupler control is characterized in that: the high-voltage division unit comprises a first resistor R1 and a second resistor R2; the first resistor R1 and the second resistor R2 are connected in a high-voltage loop in series, the connection end of the first resistor R1 and the second resistor R2 is connected with one end of a first microswitch S1 of the microswitch optical coupling unit, and the other end of the first microswitch S1 is connected with the end G of a first NMOS tube Q1 in the NMOS control unit.
3. The single live wire power-taking circuit based on the micro switch or the optical coupler control is characterized in that: the microswitch optical coupling unit comprises a first microswitch S1, a first capacitor C1 and a first optical coupler U1; the first microswitch S1, the first capacitor C1 and the detection end of the first optocoupler U1 are connected in parallel and then connected to the G end of a first NMOS transistor Q1 in the NMOS control unit.
4. The single live wire power-taking circuit based on the micro switch or the optical coupler control is characterized in that: the NMOS control unit comprises a third resistor R3, a second capacitor C2, a first NMOS transistor Q1, a fourth resistor R4 and a fifth resistor R5; the third resistor R3 and the second capacitor C2 are connected in parallel and then are respectively connected to the G end and the ground end of the first NMOS transistor Q1; two ends of the fourth resistor R4 are respectively connected with a power-taking high-voltage anode of the system and the D end of the first NMOS tube Q1; the D end of the first NMOS transistor Q1 is also connected with the G end of a second PMOS transistor Q2 of the PMOS control unit; two ends of the fifth resistor R5 are respectively connected with the S end and the ground end of the first NMOS transistor Q1.
5. The single live wire power-taking circuit based on the micro switch or the optical coupler control is characterized in that: the PMOS control unit comprises a second PMOS tube Q2, and the S end and the D end of the second PMOS tube Q2 are respectively connected in series to the positive voltage end and the negative voltage end of the power taking circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921297287.3U CN210579328U (en) | 2019-08-12 | 2019-08-12 | Single live wire power-taking circuit based on microswitch or optocoupler control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921297287.3U CN210579328U (en) | 2019-08-12 | 2019-08-12 | Single live wire power-taking circuit based on microswitch or optocoupler control |
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| Publication Number | Publication Date |
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| CN210579328U true CN210579328U (en) | 2020-05-19 |
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| CN201921297287.3U Active CN210579328U (en) | 2019-08-12 | 2019-08-12 | Single live wire power-taking circuit based on microswitch or optocoupler control |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110461061A (en) * | 2019-08-12 | 2019-11-15 | 天津华来科技有限公司 | A kind of single live wire power getting circuit controlled based on microswitch or optocoupler |
| CN110456701A (en) * | 2019-08-12 | 2019-11-15 | 天津华来科技有限公司 | A kind of battery-based intelligent wireless wall switch device |
-
2019
- 2019-08-12 CN CN201921297287.3U patent/CN210579328U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110461061A (en) * | 2019-08-12 | 2019-11-15 | 天津华来科技有限公司 | A kind of single live wire power getting circuit controlled based on microswitch or optocoupler |
| CN110456701A (en) * | 2019-08-12 | 2019-11-15 | 天津华来科技有限公司 | A kind of battery-based intelligent wireless wall switch device |
| CN110461061B (en) * | 2019-08-12 | 2024-04-09 | 天津华来科技股份有限公司 | Single-live wire circuit based on micro switch or optocoupler control |
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Address after: 9 / F, Huaqiao venture building, 10 Jinping Road, Ya'an Road, Nankai District, Tianjin (Science and Technology Park) Patentee after: Tianjin Hualai Technology Co.,Ltd. Address before: 9 / F, Huaqiao venture building, 10 Jinping Road, Ya'an Road, Nankai District, Tianjin (Science and Technology Park) Patentee before: TIANJIN HUALAI TECHNOLOGY Co.,Ltd. |