CN218526094U - Circuit structure for realizing three-state control by using power line - Google Patents
Circuit structure for realizing three-state control by using power line Download PDFInfo
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- CN218526094U CN218526094U CN202222787270.4U CN202222787270U CN218526094U CN 218526094 U CN218526094 U CN 218526094U CN 202222787270 U CN202222787270 U CN 202222787270U CN 218526094 U CN218526094 U CN 218526094U
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Abstract
The utility model discloses a borrow power cord and realize three state control circuit structure relates to the circuit control field, should borrow the power cord and realize three state control circuit structure and include: the power supply module is used for introducing a live wire and a zero line and supplying voltage; the switch switching module is used for controlling whether the first signal triggering module and the second signal triggering module output signals or not; the first signal trigger module is used for outputting a trigger signal; the second signal trigger module is used for outputting a trigger signal, and the second signal trigger module and the first signal trigger module cannot work; power module connecting switch switches module, first signal trigger module, second signal trigger module, compares with prior art, the beneficial effects of the utility model are that: the utility model discloses borrow power cord (live wire and zero line), only need a control line (switch switching module), realize three grades of control, peripheral circuit is few, and the device is few, and is with low costs, simple to operate, and the reliability is stronger.
Description
Technical Field
The utility model relates to a circuit control field specifically is a borrow power cord and realize three state control circuit structure.
Background
The electronic equipment is electrical equipment consisting of electronic components such as an integrated circuit, a transistor, an electron tube and the like and consisting of microelectronic devices, and the range of the electronic equipment comprises: computers, air conditioners, refrigerators, washing machines, microwave ovens, printers, and the like.
A general electronic device is provided with a transfer switch for switching the operating state of a circuit, but the existing transfer switch circuit is complex and needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a borrow power cord and realize three state control circuit structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a circuit structure for realizing three state control by using a power line comprises:
the power supply module is used for introducing a live wire and a zero line and supplying voltage;
the switch switching module is used for controlling whether the first signal triggering module and the second signal triggering module output signals or not;
the first signal trigger module is used for outputting a trigger signal;
the second signal trigger module is used for outputting a trigger signal, and the second signal trigger module and the first signal trigger module cannot work;
the power supply module is connected with the switch switching module, the first signal triggering module and the second signal triggering module, the switch switching module is connected with the first signal triggering module and the second signal triggering module, the first signal triggering module is connected with the load, and the second signal triggering module is connected with the load.
As a further aspect of the present invention: the power supply module comprises a live wire L and a zero wire N, the live wire L is connected with the switch switching module and the first signal trigger module, and the zero wire N is connected with the switch switching module and the second signal trigger module.
As a further aspect of the present invention: the switch switching module comprises a switch K1, the switch K1 comprises an interface 1, an interface 2, an interface 3 and an interface 4, the interface 4 is connected with the interface 1/interface 2/interface 3, the interface 1 is connected with a live wire L, the interface 2 is suspended, the interface 3 is connected with a zero line N, and the interface 4 is connected with a first signal trigger module and a second signal trigger module.
As a further aspect of the present invention: first signal trigger module includes resistance R1, resistance R2, diode D1, opto-coupler PC1, resistance R6, power module is connected to resistance R1's one end, resistance R1's other end connecting resistance R2's one end, diode D1's positive pole is connected to resistance R2's the other end, opto-coupler PC 1's first end is connected to diode D1's negative pole, opto-coupler PC 1's second end linked switch switching module, voltage VDD is connected to opto-coupler PC 1's third end, load is connected to opto-coupler PC 1's fourth end, resistance R6's one end, resistance R6's other end ground connection.
As a further aspect of the present invention: the second signal trigger module includes resistance R3, resistance R4, diode D2, opto-coupler PC2, resistance R5, power module is connected to resistance R3's one end, resistance R3's other end connecting resistance R4's one end, diode D2's negative pole is connected to resistance R4's the other end, diode D2's anodal second end of connecting opto-coupler PC2, the switch switching module is connected to opto-coupler PC 2's first end, voltage VDD is connected to opto-coupler PC 2's third end, load is connected to opto-coupler PC 2's fourth end, resistance R5's one end, resistance R5's other end ground connection.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses borrow power cord (live wire and zero line), only need a control line (switch switching module), realize three grades of control, peripheral circuit is few, and the device is few, and is with low costs, simple to operate, and the reliability is stronger.
Drawings
Fig. 1 is a circuit diagram of a circuit structure for realizing three state control by using a power line.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1, a circuit structure for implementing three states by using power lines includes:
the power supply module is used for introducing a live wire and a zero line and supplying voltage;
the switch switching module is used for controlling whether the first signal triggering module and the second signal triggering module output signals or not;
the first signal trigger module is used for outputting a trigger signal;
the second signal trigger module is used for outputting a trigger signal, and the second signal trigger module and the first signal trigger module cannot work;
the power supply module is connected with the switch switching module, the first signal triggering module and the second signal triggering module, the switch switching module is connected with the first signal triggering module and the second signal triggering module, the first signal triggering module is connected with the load, and the second signal triggering module is connected with the load.
In this embodiment: referring to fig. 1, the power supply module includes a live line L, a zero line N, the live line L is connected to the switch switching module, the first signal triggering module, the zero line N is connected to the switch switching module, and the second signal triggering module.
Voltage is introduced into the live wire L and the zero wire N and is output to the switch switching module, the first signal triggering module and the second signal triggering module.
In this embodiment: referring to fig. 1, the switch switching module includes a switch K1, the switch K1 includes an interface 1, an interface 2, an interface 3, and an interface 4, the interface 4 is connected to the interface 1/the interface 2/the interface 3, the interface 1 is connected to the live line L, the interface 2 is suspended, the interface 3 is connected to the neutral line N, and the interface 4 is connected to the first signal triggering module and the second signal triggering module.
When the interface 4 is connected with the interface 1, the second signal trigger module outputs signals to the load, when the interface 4 is connected with the interface 2, the first signal trigger module and the second signal trigger module do not output signals, and when the interface 4 is connected with the interface 3, the first signal trigger module outputs signals to the load. For a specific example of the load, referring to fig. 1, after the mcu decoding circuit receives the signal, different driving voltages of the motor driving circuit are triggered according to different signals (three signals mentioned above for example), so that different operating states of the motor are realized, and thus only one additional line (the line from the interface 4 to the optocouplers PC1 and PC 2) is added to realize three-gear control.
In this embodiment: please refer to fig. 1, the first signal trigger module includes a resistor R1, a resistor R2, a diode D1, an optocoupler PC1, a resistor R6, a power supply module is connected to one end of the resistor R1, the other end of the resistor R1 is connected to one end of the resistor R2, the other end of the resistor R2 is connected to the anode of the diode D1, the cathode of the diode D1 is connected to the first end of the optocoupler PC1, the second end of the optocoupler PC1 is connected to the switch switching module, the third end of the optocoupler PC1 is connected to a voltage VDD, the fourth end of the optocoupler PC1 is connected to a load, one end of the resistor R6, and the other end of the resistor R6 is grounded.
When the interface 4 is connected with the interface 3, the live wire L-resistor R1-resistor R2-diode D1-optical coupler PC 1-interface 4-interface 3-zero line N form a loop, and the optical coupler PC1 obtains electricity to output a signal to a load.
In this embodiment: please refer to fig. 1, the second signal trigger module includes a resistor R3, a resistor R4, a diode D2, an optocoupler PC2, a resistor R5, a power supply module is connected to one end of the resistor R3, the other end of the resistor R3 is connected to one end of the resistor R4, the other end of the resistor R4 is connected to a cathode of the diode D2, a positive electrode of the diode D2 is connected to a second end of the optocoupler PC2, a first end of the optocoupler PC2 is connected to the switch switching module, a third end of the optocoupler PC2 is connected to a voltage VDD, a fourth end of the optocoupler PC2 is connected to a load, one end of the resistor R5, and the other end of the resistor R5 is grounded.
When the interface 4 is connected with the interface 1, the live wire L-interface 1-interface 4-optocoupler PC 2-diode D2-resistor R4-resistor R3-zero line N form a loop, and the optocoupler PC2 is electrified to work and outputs a signal to a load.
When the interface 4 is connected with the interface 2, the optocouplers PC1 and PC2 do not form a loop and do not output signals.
The utility model discloses a theory of operation is: the power supply module introduces a live wire and a zero wire to supply voltage, the switch switching module controls the first signal trigger module and the second signal trigger module to output signals or not, the first signal trigger module outputs a trigger signal, the second signal trigger module outputs a trigger signal, and the second signal trigger module and the first signal trigger module cannot work.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A circuit structure for realizing three states by using a power line is characterized in that:
the circuit structure for realizing three states by using the power line comprises:
the power supply module is used for introducing a live wire and a zero line and supplying voltage;
the switch switching module is used for controlling whether the first signal triggering module and the second signal triggering module output signals or not;
the first signal trigger module is used for outputting a trigger signal;
the second signal trigger module is used for outputting a trigger signal, and the second signal trigger module and the first signal trigger module cannot work;
the power supply module is connected with the switch switching module, the first signal triggering module and the second signal triggering module, the switch switching module is connected with the first signal triggering module and the second signal triggering module, the first signal triggering module is connected with the load, and the second signal triggering module is connected with the load.
2. The circuit structure for realizing three state control by means of power lines according to claim 1, wherein the power supply module comprises a live line L and a zero line N, the live line L is connected with the switch switching module and the first signal trigger module, and the zero line N is connected with the switch switching module and the second signal trigger module.
3. The circuit structure for realizing three states by using power lines as claimed in claim 2, wherein the switch switching module comprises a switch K1, the switch K1 comprises an interface 1, an interface 2, an interface 3 and an interface 4, the interface 4 is connected with the interface 1/the interface 2/the interface 3, the interface 1 is connected with the live line L, the interface 2 is suspended, the interface 3 is connected with the neutral line N, and the interface 4 is connected with the first signal triggering module and the second signal triggering module.
4. The circuit structure for realizing three states by using the power line as claimed in claim 1, wherein the first signal trigger module comprises a resistor R1, a resistor R2, a diode D1, an optical coupler PC1 and a resistor R6, one end of the resistor R1 is connected with the power supply module, the other end of the resistor R1 is connected with one end of the resistor R2, the other end of the resistor R2 is connected with the anode of the diode D1, the cathode of the diode D1 is connected with the first end of the optical coupler PC1, the second end of the optical coupler PC1 is connected with the switch switching module, the third end of the optical coupler PC1 is connected with a voltage VDD, the fourth end of the optical coupler PC1 is connected with a load, one end of the resistor R6, and the other end of the resistor R6 is grounded.
5. The circuit structure for realizing three states by using the power line as claimed in claim 1, wherein the second signal trigger module comprises a resistor R3, a resistor R4, a diode D2, an optocoupler PC2 and a resistor R5, one end of the resistor R3 is connected with the power supply module, the other end of the resistor R3 is connected with one end of the resistor R4, the other end of the resistor R4 is connected with the negative electrode of the diode D2, the positive electrode of the diode D2 is connected with the second end of the optocoupler PC2, the first end of the optocoupler PC2 is connected with the switch switching module, the third end of the optocoupler PC2 is connected with the voltage VDD, the fourth end of the optocoupler PC2 is connected with a load, one end of the resistor R5, and the other end of the resistor R5 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222787270.4U CN218526094U (en) | 2022-10-24 | 2022-10-24 | Circuit structure for realizing three-state control by using power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222787270.4U CN218526094U (en) | 2022-10-24 | 2022-10-24 | Circuit structure for realizing three-state control by using power line |
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| Publication Number | Publication Date |
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| CN218526094U true CN218526094U (en) | 2023-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222787270.4U Active CN218526094U (en) | 2022-10-24 | 2022-10-24 | Circuit structure for realizing three-state control by using power line |
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| CN (1) | CN218526094U (en) |
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