CN220305656U - On-off control device - Google Patents
On-off control device Download PDFInfo
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- CN220305656U CN220305656U CN202321857150.5U CN202321857150U CN220305656U CN 220305656 U CN220305656 U CN 220305656U CN 202321857150 U CN202321857150 U CN 202321857150U CN 220305656 U CN220305656 U CN 220305656U
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Abstract
The utility model provides an on-off control device which comprises an on-off control module, wherein the on-off control module comprises a rectifying and filtering circuit, an optocoupler U3, a relay control circuit and a relay K1, the rectifying and filtering circuit is electrically connected between an intelligent switch and the optocoupler U3, the rectifying and filtering circuit is used for rectifying and outputting direct current to input alternating current and filtering the rectified voltage, the relay control circuit is electrically connected between the optocoupler U3 and the relay K1, the relay control circuit is used for controlling the relay K1 to be turned on or off, the relay K1 is electrically connected between a power supply and the electric appliance, and the relay K1 is used for enabling the power supply and the electric appliance to form a passage or a circuit break. The utility model can solve the technical problem of how to make the intelligent switch control the model lamp to emit light or extinguish.
Description
Technical Field
The utility model relates to the field of building models, in particular to an on-off control device.
Background
A building model is a sample made in accordance with a building design pattern or design concept and on a reduced scale using easily processable materials, which is a means to express the face and spatial relationship of a building or group of buildings in a building design. The building model is a three-dimensional model formed by organically linking drawings with an actual three-dimensional space, is favorable for the push of design creation, can intuitively embody the design intention, makes up the limitation of the drawings in expression, and is widely applied to the aspects of urban construction, real estate development, commodity house sales, design bidding and sponsor cooperation and the like.
The indoor building model is one of building models, and in order to be closer to the actual display effect, model lamps are respectively arranged at corresponding positions in the indoor building model, such as a living room position, a bedroom position, a bathroom position and the like, and are electrically connected with a 12V direct current power supply through a mechanical switch or a plurality of mechanical switches respectively, so that when the model lamps are controlled to emit light, one mechanical switch is manually operated to uniformly control the model lamps to emit light synchronously or to be extinguished, or the corresponding mechanical switch is manually operated according to the model lamps to be controlled.
Along with the development of technology, intelligent home control system gradually gets into people's life, in intelligent home control system, can use the intelligent switch that carries out radio connection with cell-phone applet or APP, the user can control intelligent switch through the cell-phone, make its control need open or close the electric light, in order to simulate the operation that intelligent control model lamp goes on shining or go out in indoor building model, also need use intelligent switch, intelligent switch's operating voltage is 220V, model lamp's operating voltage is 12V, the operating voltage mismatch of both, make intelligent switch can not simply electrically connect between model lamp and its power, make intelligent switch can not control and form the route or the circuit break between model lamp and the power, promptly can not control model lamp and shine or go out through intelligent switch, therefore how to make intelligent switch control model lamp shiny or go out is the technical problem that the technical personnel in the field need solve.
Disclosure of Invention
The present utility model is directed to an on-off control device, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the on-off control device comprises an on-off control module, wherein the on-off control module comprises a rectification filter circuit, an optocoupler U3, a relay control circuit and a relay K1, the rectification filter circuit is electrically connected between the intelligent switch and the optocoupler U3, the rectification filter circuit is used for rectifying and outputting direct current to input alternating current and filtering rectified voltage, the relay control circuit is electrically connected between the optocoupler U3 and the relay K1, the relay control circuit is used for controlling the relay K1 to be turned on or turned off, the relay K1 is electrically connected between a power supply and the relay, and the relay K1 is used for enabling the power supply and the relay to form a passage or a circuit break.
Further, the rectifying and filtering circuit comprises a diode D1, a resistor R1, a capacitor C1 and a resistor R2, wherein one end of the diode D1 is electrically connected with the intelligent switch through a power supply input end LI-IN, one ends of the resistor R1 and the capacitor C1 are electrically connected with the other end of the diode D1, the other end of the resistor R1 is electrically connected with an optocoupler U3, the other end of the capacitor C1 is electrically connected with a first grounding end, one end of the resistor R2 is electrically connected between the other end of the capacitor C1 and the first grounding end, and the other end of the resistor R2 is electrically connected with the optocoupler U3.
Further, the device further comprises a diode D2, one end of the diode D2 is electrically connected between the other end of the resistor R1 and the optocoupler U3, and the other end of the diode D2 is electrically connected between the other end of the resistor R2 and the optocoupler U3.
Further, the relay control circuit comprises a third transistor Q1 and a resistor R1, wherein a base electrode, an emitter electrode and a collector electrode of the third transistor Q1 are respectively and electrically connected with the optocoupler U3, the second grounding end and the relay K1, one end of the resistor R1 is electrically connected with the optocoupler U3, and the other end of the resistor R1 is electrically connected with the relay K1.
Further, a diode D3 is further included, one end of the diode D3 is electrically connected between the collector of the transistor Q1 and the relay K1, and the other end of the diode D3 is electrically connected between the other end of the resistor R1 and the relay K1.
The utility model has the beneficial effects that:
when a user controls the intelligent switch to be turned on through the mobile phone, the 220V alternating current power supply supplies alternating current to the rectification filter circuit through the intelligent switch, the rectification filter circuit rectifies the input alternating current to output direct current, then the rectified voltage is filtered and output to the optocoupler U3, the current is output to the relay control circuit, the relay control circuit controls the relay K1 to be turned on, the power supply, namely the 12V direct current power supply, and the electric appliance, namely the model lamp are switched from an open circuit state to a channel state, and the model lamp emits light.
The intelligent switch is indirectly connected between the 12V direct current power supply and the model lamp through the on-off control module when the intelligent switch is used, so that the intelligent switch controls the 12V direct current power supply and the model lamp to form a passage or a circuit break through the on-off control module, the model lamp is enabled to emit light or to be extinguished, and the technical problem of how to enable the intelligent switch to control the model lamp to emit light or to be extinguished is solved.
Drawings
Fig. 1 is a schematic circuit diagram of a multiple-group on-off control module of an on-off control device electrically connected to each other.
Fig. 2 is a schematic circuit diagram of an on-off control module of the on-off control device.
Fig. 3 is a schematic diagram of the physical electrical connection of the on-off control device.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
referring to fig. 1 to 3, the on-off control device includes a PCB board 1 and an on-off control module disposed thereon, the on-off control module includes a rectifying and filtering circuit, an optocoupler U3, a relay control circuit and a relay K1, the rectifying and filtering circuit is electrically connected between the intelligent switch 2 and the optocoupler U3, the rectifying and filtering circuit is used for rectifying and outputting a direct current to an alternating current input by the intelligent switch 2 and filtering a rectified voltage, the relay control circuit is electrically connected between the optocoupler U3 and the relay K1, the optocoupler U3 is used for performing signal isolation transmission and control, the relay control circuit is used for controlling the relay K1 to be turned on or off, the relay K1 is electrically connected between the power supply 3 and the relay, and the relay K1 is used for forming a path or a break between the power supply 3 and the relay. In this embodiment, the 1-group intelligent switch 2 corresponds to 3 groups of on-off control modules and 3 groups of model lamps 4.
Working principle:
when a user controls the intelligent switch to be turned on through the mobile phone, the 220V alternating current power supply provides alternating current for the rectification filter circuit through the intelligent switch, the rectification filter circuit rectifies the input alternating current to output direct current, the rectified voltage is filtered and output to the optocoupler U3, the current is output to the relay control circuit, the relay control circuit controls the relay K1 to be turned on, the power supply, namely the 12V direct current power supply, and the electric appliance, namely the model lamp are switched from an open circuit state to a channel state, and the model lamp emits light.
Referring to fig. 2, the rectifying and filtering circuit includes a diode D1, a resistor R1, a capacitor C1 and a resistor R2, wherein one end of the diode D1 is electrically connected to the intelligent switch 2 through an input end LI-IN of one end of the power supply, one ends of the resistor R1 and the capacitor C1 are electrically connected to the other end of the diode D1, the other end of the resistor R1 is electrically connected to the optocoupler U3, the other end of the capacitor C1 is electrically connected to the first ground, one end of the resistor R2 is electrically connected between the other end of the capacitor C1 and the first ground, and the other end of the resistor R2 is electrically connected to the optocoupler U3. The diode D1 is used for rectifying alternating current to output direct current, the capacitor C1 is used for filtering the rectified voltage, and the resistor R1 and the resistor R2 are used for limiting current.
Referring to fig. 2, the circuit further includes a diode D2, one end of the diode D2 is electrically connected between the other end of the resistor R1 and the optocoupler U3, and the other end of the diode D2 is electrically connected between the other end of the resistor R2 and the optocoupler U3. The diode D2 is used to protect the input terminal of the optocoupler U3.
Referring to fig. 2, the relay control circuit includes a transistor Q1 and a resistor R1, wherein a base electrode, an emitter electrode and a collector electrode of the transistor Q1 are respectively electrically connected with an optocoupler U3, a second ground terminal and a relay K1, one end of the resistor R1 is electrically connected with the optocoupler U3, and the other end of the resistor R1 is electrically connected with the relay K1. The transistor Q1 is used for controlling the relay K1 to be opened or closed, and the resistor R1 is used for limiting current.
Referring to fig. 2, the circuit further includes a diode D3, one end of the diode D3 is electrically connected between the collector of the transistor Q1 and the relay K1, and the other end of the diode D3 is electrically connected between the other end of the resistor R1 and the relay K1. The diode D3 is used to protect the coil of the relay K1.
The above description should not be taken as limiting the scope of the utility model, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.
Claims (5)
1. The on-off control device is characterized in that: the on-off control module comprises a rectification filter circuit, an optocoupler U3, a relay control circuit and a relay K1, wherein the rectification filter circuit is electrically connected between the intelligent switch and the optocoupler U3, the rectification filter circuit is used for rectifying and outputting direct current to input alternating current and filtering rectified voltage, the relay control circuit is electrically connected between the optocoupler U3 and the relay K1, the relay control circuit is used for controlling the relay K1 to be turned on or off, the relay K1 is electrically connected between a power supply and the relay, and the relay K1 is used for enabling the power supply and the relay to form a passage or a break.
2. The on-off control device according to claim 1, characterized in that: the rectification filter circuit comprises a diode D1, a resistor R1, a capacitor C1 and a resistor R2, wherein one end of the diode D1 is electrically connected with the intelligent switch through a power supply input end LI-IN, one ends of the resistor R1 and the capacitor C1 are electrically connected with the other end of the diode D1, the other end of the resistor R1 is electrically connected with an optocoupler U3, the other end of the capacitor C1 is electrically connected with a first grounding end, one end of the resistor R2 is electrically connected between the other end of the capacitor C1 and the first grounding end, and the other end of the resistor R2 is electrically connected with the optocoupler U3.
3. The on-off control device according to claim 2, characterized in that: the LED lamp further comprises a diode D2, one end of the diode D2 is electrically connected between the other end of the resistor R1 and the optocoupler U3, and the other end of the diode D2 is electrically connected between the other end of the resistor R2 and the optocoupler U3.
4. The on-off control device according to claim 1, characterized in that: the relay control circuit comprises a three-stage tube Q1 and a resistor R1, wherein a base electrode, an emitter electrode and a collector electrode of the three-stage tube Q1 are respectively and electrically connected with an optocoupler U3, a second grounding end and a relay K1, one end of the resistor R1 is electrically connected with the optocoupler U3, and the other end of the resistor R1 is electrically connected with the relay K1.
5. The on-off control device according to claim 4, wherein: the diode D3 is further included, one end of the diode D3 is electrically connected between the collector of the transistor Q1 and the relay K1, and the other end of the diode D3 is electrically connected between the other end of the resistor R1 and the relay K1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321857150.5U CN220305656U (en) | 2023-07-14 | 2023-07-14 | On-off control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321857150.5U CN220305656U (en) | 2023-07-14 | 2023-07-14 | On-off control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220305656U true CN220305656U (en) | 2024-01-05 |
Family
ID=89344943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321857150.5U Active CN220305656U (en) | 2023-07-14 | 2023-07-14 | On-off control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220305656U (en) |
-
2023
- 2023-07-14 CN CN202321857150.5U patent/CN220305656U/en active Active
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