CN221125762U - Intelligent flexible switch circuit - Google Patents
Intelligent flexible switch circuit Download PDFInfo
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- CN221125762U CN221125762U CN202322972557.9U CN202322972557U CN221125762U CN 221125762 U CN221125762 U CN 221125762U CN 202322972557 U CN202322972557 U CN 202322972557U CN 221125762 U CN221125762 U CN 221125762U
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- 230000008878 coupling Effects 0.000 claims abstract description 17
- 238000010168 coupling process Methods 0.000 claims abstract description 17
- 238000005859 coupling reaction Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims description 37
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an intelligent flexible switch circuit, which comprises a transformer T1, wherein one end of the transformer T1 is connected with a protection circuit, one end of the protection circuit is connected with a live wire, one end of the transformer T1 is also connected with a control chip U1, one end of the control chip U1 is connected with a zero line, and a flexible switch SW1 is connected at the interface of the control chip U1 and the zero line; according to the utility model, through the cooperation of the transformer T1, the control chip U2, the Bluetooth chip U5 and the communication chip U4 with the flexible switch SW1, the voltage is reduced to 3.3V through the transformer T1, the control chip U2, the communication chip U4 and the Bluetooth chip U5 are powered, the Bluetooth chip U5 supplies PWM signals to the control chip U2, the control chip U2 controls the MOS tube Q1 and the MOS tube Q2 through the coupling chip U3 to realize the switching function, the power consumption of PWM signal output is reduced by utilizing the mode, the problems of overvoltage, overcurrent and undervoltage during the switching of the dimming function are reduced, and the switching efficiency of the dimming function is improved to a certain extent.
Description
Technical Field
The utility model relates to the technical field of intelligent flexible switches, in particular to an intelligent flexible switch circuit.
Background
The intelligent flexible switch circuit is a device capable of realizing the switch control of the circuit in an intelligent control mode. The intelligent sound box is integrated with components such as a sensor, a control chip, a wireless communication module and the like, can be connected with the intelligent sound box through a smart phone, an intelligent sound box or other intelligent equipment, and can realize the control of a switch through wireless communication. The intelligent flexible switch circuit can automatically control the switch state according to preset conditions or time, such as automatically controlling the light switch according to light conditions.
At present, when the intelligent flexible switch is used for switching the dimming function, the controller has high output power consumption, so that the dimming and toning depth is low, the dimming and toning are inaccurate, the stability is poor, overvoltage, overcurrent and undervoltage are easily caused, the dimming function switching efficiency is affected, and therefore, the intelligent flexible switch circuit is required to be provided for solving the problems.
Disclosure of utility model
The utility model aims to provide an intelligent flexible switch circuit, which reduces the power consumption of PWM signal output, reduces the problems of overvoltage, overcurrent and undervoltage during the switching of dimming functions, and improves the switching efficiency of the dimming functions to a certain extent so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the intelligent flexible switch circuit comprises a transformer T1, wherein one end of the transformer T1 is connected with a protection circuit, one end of the protection circuit is connected with a live wire, one end of the transformer T1 is also connected with a control chip U1, one end of the control chip U1 is connected with a zero line, a flexible switch SW1 is connected at the interface of the control chip U1 and the zero line, one end of the flexible switch SW1 is connected with a resistor R9, the resistor R9 is connected with a control chip U2, one side of the control chip U2 is connected with a Bluetooth chip U5, four pins of the control chip U2 are connected with a resistor R5, one end of the resistor R5 is connected with a coupling chip U3, and one end of the coupling chip U3 is connected with a MOS tube Q1 and a MOS tube Q2 in parallel; one end of the MOS tube Q1 is connected with an output terminal, the Bluetooth chip U5, the control chip U2 and the coupling chip U3 are all connected with the other side of the transformer T1, and the other side of the transformer T1 is also connected with a communication chip U4 for wireless communication.
Preferably, one of the pins at one side of the transformer T1 is connected in parallel with a resistor R1 and a capacitor C2, a diode D3 is connected between one of the connection ends of the resistor R1 and the capacitor C2 and the other pin at one side of the transformer T1, a diode D8 is connected with the connection end of the diode D3 and the transformer T1, and one end of the diode D8 is connected with four pins of the control chip U1.
Preferably, the protection circuit includes fuse F1 and is connected with input terminal with fuse F1 one end, fuse F1's the other end is connected with diode D1 and diode D2 that is the series arrangement, diode D2's one end is connected with inductance L1, inductance L1's one end is connected with the another link of electric capacity C2 and resistance R1, be connected with electric capacity MOV1 between diode D1 and the fuse F1, electric capacity MOV 1's one end is connected with input terminal's zero line and control chip U1 respectively.
Preferably, a pin of the control chip U1 is connected with a resistor R15, one end of the resistor R15 is connected with a resistor R14 and a resistor R13 which are arranged in series, one end of the resistor R13 is connected with a capacitor C1, one end of the resistor R14 is connected with a zener diode ZD2, and two ends of the capacitor C1 are respectively connected with the zener diode ZD2 and a connecting end of the inductor L1 and the transformer T1.
Preferably, two coils are arranged on the other side of the transformer T1, a capacitor C4 and a diode D4 are connected between two pins of one coil, the connecting end of the capacitor C4 and the diode D4 is connected with a 3.3V output pin through a resistor with the resistance value of 10kΩ, the other end of the capacitor C4 is connected with a zener diode ZD1, one end of the zener diode ZD1 is connected with the 3.3V output pin, a capacitor C5 and a diode D5 are connected between two pins of the other coil, and the connecting end of the capacitor C5 and the diode D5 is connected with a control chip U1 through a resistor R3, and the other end of the capacitor C5 is grounded.
Preferably, a pin of the bluetooth chip U5 is connected with a MOS transistor Q3, a collector of the MOS transistor Q3 is connected with a resistor R12, one end of the resistor R12 is connected with seven pins of the control chip U2, five pins of the control chip U2 are respectively connected with a resistor R8 and a resistor R4 which are arranged in series and are provided with a diode D7 and a diode D6 in parallel, one end of the resistor R4 is connected with the other end of the fuse F1, and the other connection ends of the diode D7 and the diode D6 are connected with a zero line of an input terminal.
Preferably, four pins of the coupling chip U3 are connected with a capacitor C6, one end of the capacitor C6 is connected with a collector of the MOS transistor Q2, a resistor R7 is connected between a base of the MOS transistor Q2 and a base of the MOS transistor Q1, one end of the resistor R7 is connected with the other end of the zener diode ZD1, and an emitter of the MOS transistor Q2 is grounded.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the cooperation of the transformer T1, the control chip U2, the Bluetooth chip U5 and the communication chip U4 with the flexible switch SW1, the voltage is reduced to 3.3V through the transformer T1, the control chip U2, the communication chip U4 and the Bluetooth chip U5 are powered, the Bluetooth chip U5 supplies PWM signals to the control chip U2, the control chip U2 controls the MOS tube Q1 and the MOS tube Q2 through the coupling chip U3 to realize the switching function, the power consumption of PWM signal output is reduced by utilizing the mode, the problems of overvoltage, overcurrent and undervoltage during the switching of the dimming function are reduced, and the switching efficiency of the dimming function is improved to a certain extent.
Drawings
FIG. 1 is a circuit diagram of the present utility model;
FIG. 2 is an enlarged view of the left portion of FIG. 1 in accordance with the present utility model;
Fig. 3 is an enlarged view of the right portion of fig. 1 in accordance with the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the intelligent flexible switch circuit comprises a transformer T1, wherein one end of the transformer T1 is connected with a protection circuit, one end of the protection circuit is connected with a live wire, one end of the transformer T1 is also connected with a control chip U1, one end of the control chip U1 is connected with a zero line, the interface of the control chip U1 and the zero line is connected with a flexible switch SW1, the flexible switch SW1 is a normally closed self-rebound switch essentially, and the circuit is not output only when the flexible switch is pressed down, but also can restore the output after the circuit is disconnected, so that the circuit is not output; one end of the flexible switch SW1 is connected with a resistor R9, a control chip U2 is connected to the resistor R9, one side of the control chip U2 is connected with a Bluetooth chip U5, four pins of the control chip U2 are connected with a resistor R5, one end of the resistor R5 is connected with a coupling chip U3, and one end of the coupling chip U3 is connected with a MOS tube Q1 and a MOS tube Q2 in parallel; one end of the MOS tube Q1 is connected with an output terminal, the Bluetooth chip U5, the control chip U2 and the coupling chip U3 are all connected with the other side of the transformer T1, and the other side of the transformer T1 is also connected with a communication chip U4 for wireless communication.
The voltage drop is 3.3V through the transformer T1, and power is supplied to the control chip U2, the communication chip U4 and the Bluetooth chip U5, the Bluetooth chip U5 supplies PWM signals to the control chip U2, the control chip U2 controls the MOS tube Q1 and the MOS tube Q2 through the coupling chip U3 to realize the function of a switch, at the moment, the flexible switch SW1 is pressed down, after the control chip U2 detects the switch action, the control chip U2 controls the MOS tube Q1 and the MOS tube Q2 to close the output through the coupling chip U3, the flexible switch SW1 is loosened, the output is recovered, the power consumption of PWM signal output is reduced by utilizing the mode, the overvoltage, overcurrent and undervoltage problems occurring during the switching of the dimming function are reduced, and the switching efficiency of the dimming function is improved to a certain extent.
One of the feet on one side of the transformer T1 is connected with a resistor R1 and a capacitor C2 in parallel, a diode D3 is connected between one connecting end of the resistor R1 and the capacitor C2 and the other foot on one side of the transformer T1, a diode D8 is connected with the connecting end of the diode D3 and the transformer T1, one end of the diode D8 is connected with four feet of the control chip U1, and the input side of the transformer T1 is filtered through the resistor R1 and the capacitor C2 so as to improve the stability of signals of the input end of the transformer T1.
The protection circuit comprises a fuse F1 and an input terminal connected with one end of the fuse F1, wherein a diode D1 and a diode D2 which are arranged in series are connected with the other end of the fuse F1, one end of the diode D2 is connected with an inductor L1, one end of the inductor L1 is connected with the other connecting end of a capacitor C2 and a resistor R1, a capacitor MOV1 is connected between the diode D1 and the fuse F1, one end of the capacitor MOV1 is respectively connected with a zero line of the input terminal and a control chip U1, reverse connection protection is prevented on the circuit through the diode D2 and the diode D1, and overvoltage and overcurrent protection is performed on the circuit through the fuse F1.
One pin of the control chip U1 is connected with a resistor R15, one end of the resistor R15 is connected with a resistor R14 and a resistor R13 which are arranged in series, one end of the resistor R13 is connected with a capacitor C1, one end of the resistor R14 is connected with a zener diode ZD2, and two ends of the capacitor C1 are respectively connected with the zener diode ZD2 and the connecting end of the inductor L1 and the transformer T1.
The other side of transformer T1 is provided with two coils, be connected with electric capacity C4 and diode D4 between two feet of one of them coil, electric capacity C4 and diode D4's link is connected with 3.3V output foot through the resistance that the resistance is 10kΩ, electric capacity C4's the other end is connected with zener diode ZD1, zener diode ZD 1's one end is connected with 3.3V output foot, be connected with electric capacity C5 and diode D5 between two feet of another coil, electric capacity C5 and diode D5's link passes through resistance R3 and is connected with control chip U1, electric capacity C5's the other end ground connection is convenient for make transformer T1's voltage after the step down can stable output.
One pin of bluetooth chip U5 is connected with MOS pipe Q3, MOS pipe Q3's collecting electrode is connected with resistance R12, resistance R12's one end is connected with control chip U2's seven feet, control chip U2's five feet are connected with respectively and are series connection setting's resistance R8 and resistance R4 and are parallelly connected diode D7 and diode D6 that is provided with, resistance R4's one end is connected with fuse F1's the other end, diode D7 and diode D6's another link and input terminal's zero line connection possess the use of multiple consumption through bluetooth chip U5's setting to satisfy different consumption user demands.
The four feet of the coupling chip U3 are connected with a capacitor C6, one end of the capacitor C6 is connected with a collector electrode of the MOS tube Q2, a resistor R7 is connected between a base electrode of the MOS tube Q2 and a base electrode of the MOS tube Q1, one end of the resistor R7 is connected with the other end of the zener diode ZD1, an emitting electrode of the MOS tube Q2 is grounded, the coupling chip U3 is convenient for converting optical signals into electric signals, and the switching of dimming functions is convenient according to illumination conditions.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An intelligent flexible switch circuit, which is characterized in that: the intelligent transformer comprises a transformer T1, wherein one end of the transformer T1 is connected with a protection circuit with one end connected with a live wire, one end of the transformer T1 is also connected with a control chip U1 with a zero line, the interface of the control chip U1 and the zero line is connected with a flexible switch SW1, one end of the flexible switch SW1 is connected with a resistor R9, the resistor R9 is connected with a control chip U2, one side of the control chip U2 is connected with a Bluetooth chip U5, four feet of the control chip U2 are connected with a resistor R5, one end of the resistor R5 is connected with a coupling chip U3, and one end of the coupling chip U3 is connected with a MOS tube Q1 and a MOS tube Q2 in parallel; one end of the MOS tube Q1 is connected with an output terminal, the Bluetooth chip U5, the control chip U2 and the coupling chip U3 are all connected with the other side of the transformer T1, and the other side of the transformer T1 is also connected with a communication chip U4 for wireless communication.
2. The intelligent smart switching circuit of claim 1, wherein: one of the pins on one side of the transformer T1 is connected with a resistor R1 and a capacitor C2 in parallel, a diode D3 is connected between one of the connecting ends of the resistor R1 and the capacitor C2 and the other pin on one side of the transformer T1, the connecting end of the diode D3 and the transformer T1 is connected with a diode D8, and one end of the diode D8 is connected with four pins of the control chip U1.
3. An intelligent smart switch circuit as claimed in claim 2, wherein: the protection circuit comprises a fuse F1 and an input terminal connected with one end of the fuse F1, wherein a diode D1 and a diode D2 which are arranged in series are connected with the other end of the fuse F1, one end of the diode D2 is connected with an inductor L1, one end of the inductor L1 is connected with the other connecting end of a capacitor C2 and a resistor R1, a capacitor MOV1 is connected between the diode D1 and the fuse F1, and one end of the capacitor MOV1 is connected with a zero line of the input terminal and a control chip U1 respectively.
4. An intelligent smart switch circuit as claimed in claim 3, wherein: one pin of the control chip U1 is connected with a resistor R15, one end of the resistor R15 is connected with a resistor R14 and a resistor R13 which are arranged in series, one end of the resistor R13 is connected with a capacitor C1, one end of the resistor R14 is connected with a zener diode ZD2, and two ends of the capacitor C1 are respectively connected with the zener diode ZD2 and the connecting end of the inductor L1 and the transformer T1.
5. The intelligent smart switch circuit of claim 4, wherein: the transformer T1 is characterized in that two coils are arranged on the other side of the transformer T1, a capacitor C4 and a diode D4 are connected between two pins of one coil, the connecting end of the capacitor C4 and the diode D4 is connected with a 3.3V output pin through a resistor with the resistance value of 10kΩ, the other end of the capacitor C4 is connected with a voltage-stabilizing diode ZD1, one end of the voltage-stabilizing diode ZD1 is connected with the 3.3V output pin, a capacitor C5 and a diode D5 are connected between two pins of the other coil, and the connecting end of the capacitor C5 and the diode D5 is connected with a control chip U1 through a resistor R3, and the other end of the capacitor C5 is grounded.
6. The intelligent smart switch circuit of claim 5, wherein: one pin of bluetooth chip U5 is connected with MOS pipe Q3, MOS pipe Q3's collecting electrode is connected with resistance R12, resistance R12's one end is connected with control chip U2's seven feet, control chip U2's five feet are connected with respectively and are series connection setting's resistance R8 and resistance R4 and are the parallelly connected diode D7 and the diode D6 of being provided with, resistance R4's one end is connected with fuse F1's the other end, diode D7 and diode D6's another link is connected with input terminal's zero line.
7. The intelligent smart switch circuit of claim 6, wherein: the four pins of the coupling chip U3 are connected with a capacitor C6, one end of the capacitor C6 is connected with a collector electrode of the MOS tube Q2, a resistor R7 is connected between a base electrode of the MOS tube Q2 and a base electrode of the MOS tube Q1, one end of the resistor R7 is connected with the other end of the zener diode ZD1, and an emitter electrode of the MOS tube Q2 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322972557.9U CN221125762U (en) | 2023-11-02 | 2023-11-02 | Intelligent flexible switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322972557.9U CN221125762U (en) | 2023-11-02 | 2023-11-02 | Intelligent flexible switch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221125762U true CN221125762U (en) | 2024-06-11 |
Family
ID=91370858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322972557.9U Active CN221125762U (en) | 2023-11-02 | 2023-11-02 | Intelligent flexible switch circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221125762U (en) |
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2023
- 2023-11-02 CN CN202322972557.9U patent/CN221125762U/en active Active
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