CN216774747U - Electronic switch circuit - Google Patents
Electronic switch circuit Download PDFInfo
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- CN216774747U CN216774747U CN202122699169.9U CN202122699169U CN216774747U CN 216774747 U CN216774747 U CN 216774747U CN 202122699169 U CN202122699169 U CN 202122699169U CN 216774747 U CN216774747 U CN 216774747U
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Abstract
The utility model discloses an electronic switch circuit, which relates to the technical field of switch control and comprises the following components: the device comprises a power supply control module, an astable multivibrator module, a monostable delay control module, a power supply module and a switch control module; the power supply control module is used for controlling a power supply, the astable multivibrator module is used for generating a clock pulse signal, the monostable delay control module is used for receiving the clock pulse signal and outputting a delay control signal, the power supply module is used for providing electric energy, and the switch control module is used for controlling the intelligent on-off of the electronic switch. The electronic switch circuit adopts the triodes to form the one-key switch control circuit, controls the input of the power supply in a long-press off-press mode, adopts the timer to form the delay control circuit, intelligently controls the working time of the electronic switch, can regulate the delay time according to the requirement, does not need software programming, and has simple control and simple operation.
Description
Technical Field
The utility model relates to the technical field of switch control, in particular to an electronic switch circuit.
Background
Electronic equipment often carries out on-off control by mechanical switch, there is the electric spark to produce during this type of switch on-off circuit, not only reduce life and cause the potential safety hazard, because mechanical wear, traditional mechanical switch life is short, and the phase place when load access and disconnection is random, this leads to the electric wire netting to receive electromagnetic interference easily, and because microcontroller's development, most electronic switch control through microcontroller, but because microcontroller carries out work according to internal software system, the programming is troublesome and easy wrong, lead to electronic switch's maloperation easily, and most timing threshold value and comparison threshold value all set for in advance and change the trouble, lead to electronic switch's regulation nature relatively poor.
Disclosure of Invention
Embodiments of the present invention provide an electronic switch circuit to solve the problems in the background art.
According to an embodiment of the present invention, there is provided an electronic switching circuit, including: the device comprises a power supply control module, an astable multivibrator module, a monostable delay control module, a power supply module and a switch control module;
the power supply control module is used for intelligently controlling the on-off of the power supply through a triode;
the astable multivibrator module is connected with the output end of the power supply control module and is used for generating a clock pulse signal;
the monostable delay control module is connected with the output end of the astable multivibrator module, is used for receiving the clock pulse signal and outputting a delay control signal;
the power supply module is used for providing required electric energy;
the switch control module is connected with the output end of the monostable delay control module and the power end of the switch control module and used for receiving the electric energy and the delay control signal to control the intelligent on-off of the electronic switch.
Compared with the prior art, the utility model has the beneficial effects that: the electronic switch circuit adopts the triodes to form the one-key switch control circuit, controls the input of the power supply in a long-press and short-press mode, adopts the timer to form the delay control circuit, intelligently controls the working time of the electronic switch, can regulate the delay time according to the requirement, does not need software programming, and has simple control and simple operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic block diagram of an electronic switching circuit according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of an electronic switch circuit according to an embodiment of the present invention.
Fig. 3 is a circuit diagram of a power module according to an embodiment of the utility model.
Reference numerals: 1. a power supply control module; 2. an astable multivibrator module; 3. a monostable delay control module; 4. a power supply module; 5. and a switch control module.
Detailed Description
The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1: referring to fig. 1, an embodiment of the present invention provides an electronic switching circuit, including: the device comprises a power supply control module 1, an astable multivibrator module 2, a monostable delay control module 3, a power supply module 4 and a switch control module 5;
specifically, the power control module 1 is configured to intelligently control the turning off of the power supply through a triode;
the astable multivibrator module 2 is connected with the output end of the power supply control module 1 and is used for generating a clock pulse signal;
the monostable delay control module 3 is connected with the output end of the astable multivibrator module 2, is used for receiving the clock pulse signal and outputting a delay control signal;
the power module 4 is used for providing required electric energy;
and the switch control module 5 is connected with the output end of the monostable delay control module 3 and the power supply end of the switch control module 5 and is used for receiving the electric energy and the delay control signal to control the intelligent on-off of the electronic switch.
In a specific embodiment, the power control module 1 can control the triode to work in a single-button mode, so that the functions of switching off the power supply by short-button pressing and switching on the power supply by long-button pressing of the button are realized; the astable multivibrator module 2 can adopt a timer to cooperate with surrounding components to form an astable multivibrator to generate rectangular pulse waves; the monostable delay control module 3 can adopt a timer to cooperate with peripheral components to form a delay circuit and output a delay control signal; the power module 4 can adopt a special voltage stabilizing chip or a power management chip to carry out DC-DC change and output required voltage; the switch control module 5 can use a field effect transistor as an electronic switch, and the on-off of the electronic switch is controlled by a triode.
Example 2: based on embodiment 1, please refer to fig. 2 and fig. 3, in an embodiment of the electronic switch circuit according to the present invention, the power control module 1 includes a first power DC, a first button S1, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a first switch tube N1, a second switch tube N2, a third switch tube P1, a sixth resistor R6, a seventh resistor R7, and a first capacitor C1;
specifically, one end of the first power supply DC is connected to one end of the first button S1, one end of the fourth resistor R4 and the emitter of the third switch tube P1, the other end of the first button S1 is connected to one end of the second resistor R2, one end of the second resistor R2 and one end of the first resistor R1, the other end of the second resistor R2 is connected to the base of the first switch tube N1, the collector of the second switching tube N2 and one end of a seventh resistor R7, the other end of the seventh resistor R7 is connected to the collector of the third switching tube P1, the other end of the first resistor R1 and the other end of the first power supply DC are both grounded, the other end of the third resistor R3 is connected to one end of the first capacitor C1 and the base of the second switching tube N2 through a sixth resistor R6, the other end of the first capacitor C1 and the emitter of the second switching tube N2 are both grounded, and the other end of the fourth resistor R4 is connected to the collector of the first switching tube N1 and the base of the third switching tube P1 through a fifth resistor R5.
Further, the astable multivibrator module 2 includes a potentiometer RP1, an eighth resistor R8, a first diode D1, a second diode D2, a second capacitor C2, a ninth resistor R9, a first timer U1, a third capacitor C3, a third diode D3, and a tenth resistor R10;
specifically, one end of the potentiometer RP1 and the first end of the ninth resistor R9 are both connected to the collector of the third switching tube P1, the other end of the potentiometer RP1 is connected to the cathode of the first diode D1 through the eighth resistor R8, the anode of the first diode D1 is connected to the cathode of the second diode D2 and one end of the second capacitor C2, the second end and the sixth end of the first timer U1, the anode of the second diode D2 and the slider end of the potentiometer RP1 are both connected to the seventh end of the first timer U1, the fourth end and the eighth end of the first timer U1 are both connected to the second end of the ninth resistor R9, the fifth end of the first timer U1 is connected to one end of the third capacitor C3, the other end of the third capacitor C3, the first end of the first timer U1 and the other end of the second capacitor C2 are both grounded, and the third end of the first timer U1 is connected to the first end of the tenth resistor R10 through the anode of the third diode D3.
Further, the monostable delay control module 3 includes a fourth capacitor C4, a fifth capacitor C5, an eleventh resistor R11, a second timer U2, and a sixth capacitor C6;
specifically, one end of the fourth capacitor C4 is connected to the second end of the tenth resistor R10, the sixth end and the seventh end of the second timer U2, the second end of the second timer U2 is connected to one end of the eleventh resistor R11 and one end of the fifth capacitor C5, the other end of the eleventh resistor R11, the fourth end and the eighth end of the second timer U2 are both connected to the second end of the ninth resistor R9, the fifth end of the second timer U2 is connected to one end of the sixth capacitor C6, and the other end of the sixth capacitor C6, the first end of the second timer U2, the other end of the fifth capacitor C5, and the other end of the fourth capacitor C4 are all grounded.
Further, the power module 4 includes an eighth capacitor C8, a ninth capacitor C9, a regulator IC1, a tenth capacitor C10, and an eleventh capacitor C11;
specifically, one end of the eighth capacitor C8 and one end of the ninth capacitor C9 are both connected to the first end of the regulator IC1, the third end of the regulator IC1 is connected to one end of the tenth capacitor C10 and one end of the eleventh capacitor C11, and the second end of the regulator IC1, the other end of the eighth capacitor C8, the other end of the ninth capacitor C9, the other end of the tenth capacitor C10 and the other end of the eleventh capacitor C11 are all grounded.
Further, the switch control module 5 includes a twelfth resistor R12, a thirteenth resistor R13, a fourth switching tube N3, a fourteenth resistor R14, a fifteenth resistor R15, a seventh capacitor C7, and a fifth switching tube M1;
specifically, one end of the twelfth resistor R12 and one end of the thirteenth resistor R13 are connected to the third end of the second timer U2, the other end of the thirteenth resistor R13 is connected to the base of the fourth switching tube N3, the collector of the fourth switching tube N3 is connected to one end of the fourteenth resistor R14 and one end of the fifteenth resistor R15, the other end of the fifteenth resistor R15 is connected to the third end of the regulator IC1, one end of the seventh capacitor C7 and the source of the fifth switching tube M1, the other end of the fourteenth resistor R14 is connected to the gate of the fifth switching tube M1 and the other end of the seventh capacitor C7, and the emitter of the fourth switching tube N3 and the other end of the twelfth resistor R12 are both grounded.
In a specific embodiment, the first switch tube N1, the second switch tube N2, and the fourth switch tube N3 may be NPN transistors; the third switching tube P1 can be a PNP transistor; the first timer U1 and the second timer U2 can be NE555 timers, wherein the first timer U1 cooperates with surrounding components to form an astable multivibrator, and the timers are turned on and off through resistance-capacitance coupling, so that square waves are generated by self excitation, the second timer U2 cooperates with surrounding components to form a delay timer, and the extension time can be changed by changing the resistance value of the tenth resistor R10 and the capacitance value of the fourth capacitor C4; the voltage stabilizer IC1 can be a 78XX series three-terminal integrated voltage stabilizer, and is selected according to the required voltage, and the specific model is not limited; the fifth switch M1 can be a P-channel enhancement Metal Oxide Semiconductor Field Effect Transistor (MOSFET).
In the implementation of the utility model, the power supply control module 1 controls the voltage flowing into the astable multivibrator module 2 and the monostable delay control module 3 by short pressing and long pressing of the first key S1, the astable multivibrator module 2 enables the timer to be switched on and off through resistance-capacitance coupling, so that square waves are generated by self excitation to drive the monostable delay control module 3 to carry out delay control, the monostable delay control module 3 outputs a delay control signal to the switch control module 5, the switch control module 5 controls the electronic switch to carry out delay on and off so as to control the connection of the power supply module 4 and a load, and the power supply module 4 outputs the required voltage through the voltage stabilizer IC 1; in the power control module 1, when the first key S1 is pressed for a short time, the first switching tube N1 is turned on, and the second switching tube N2 and the third switching tube P1 are turned off; when the voltage reaches the threshold level, the second timer U2 in the monostable delay control module 3 is reset, the low level is output, the delay time is up, the switch control module 5 is switched off, and the electronic switch circuit stops working.
It will be evident to those skilled in the art that the utility model 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 utility model 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 (6)
1. An electronic switching circuit, characterized by:
the electronic switching circuit includes: the device comprises a power supply control module, an astable multivibrator module, a monostable delay control module, a power supply module and a switch control module;
the power supply control module is used for intelligently controlling the on-off of the power supply through a triode;
the astable multivibrator module is connected with the output end of the power supply control module and is used for generating a clock pulse signal;
the monostable delay control module is connected with the output end of the astable multivibrator module, is used for receiving the clock pulse signal and outputting a delay control signal;
the power supply module is used for providing required electric energy;
the switch control module is connected with the output end of the monostable delay control module and the power end of the switch control module and used for receiving the electric energy and the delay control signal to control the intelligent on-off of the electronic switch.
2. The electronic switch circuit according to claim 1, wherein the power control module comprises a first power supply, a first button, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a first switch tube, a second switch tube, a third switch tube, a sixth resistor, a seventh resistor and a first capacitor;
one end of the first power supply is connected with one end of the first key, one end of the fourth resistor and an emitting electrode of the third switching tube, the other end of the first key is connected with one end of the second resistor, one end of the second resistor and one end of the first resistor, the other end of the second resistor is connected with a base electrode of the first switching tube, a collector electrode of the second switching tube and one end of the seventh resistor, the other end of the seventh resistor is connected with a collector electrode of the third switching tube, the other end of the first resistor and the other end of the first power supply are grounded, the other end of the third resistor is connected with one end of the first capacitor and is connected with a base electrode of the second switching tube through the sixth resistor, the other end of the first capacitor and the emitting electrode of the second switching tube are grounded, and the other end of the fourth resistor is connected with a collector electrode of the first switching tube and is connected with a base electrode of the third switching tube through the fifth resistor.
3. The electronic switch circuit of claim 2, wherein said astable multivibrator module comprises a potentiometer, an eighth resistor, a first diode, a second capacitor, a ninth resistor, a first timer, a third capacitor, a third diode, a tenth resistor;
the collector of third switch tube is all connected to the one end of potentiometre and the first end of ninth resistance, the other end of potentiometre passes through the negative pole of eighth resistance connection first diode, the negative pole of second diode is connected to the positive pole of first diode, the one end of second electric capacity, the second end and the sixth end of first timer, the seventh end of first timer is all connected to the positive pole of second diode and the slide sheet end of potentiometre, the fourth end and the eighth end of first timer all are connected the second end of ninth resistance, the one end of third electric capacity is connected to the fifth end of first timer, the other end of third electric capacity, the first end of first timer and the other end of second electric capacity all ground connection, the third end of first timer passes through the positive pole of third diode and connects the first end of tenth resistance.
4. The electronic switch circuit according to claim 3, wherein the monostable delay control module comprises a fourth capacitor, a fifth capacitor, an eleventh resistor, a second timer and a sixth capacitor;
one end of the fourth capacitor is connected with the second end of the tenth resistor, the sixth end and the seventh end of the second timer, the second end of the second timer is connected with one end of the eleventh resistor and one end of the fifth capacitor, the other end of the eleventh resistor, the fourth end and the eighth end of the second timer are connected with the second end of the ninth resistor, the fifth end of the second timer is connected with one end of the sixth capacitor, and the other end of the sixth capacitor, the first end of the second timer, the other end of the fifth capacitor and the other end of the fourth capacitor are all grounded.
5. The electronic switch circuit of claim 4, wherein the power module comprises an eighth capacitor, a ninth capacitor, a regulator, a tenth capacitor, and an eleventh capacitor;
one end of the eighth capacitor and one end of the ninth capacitor are both connected with the first end of the voltage stabilizer, the third end of the voltage stabilizer is connected with one end of the tenth capacitor and one end of the eleventh capacitor, and the second end of the voltage stabilizer, the other end of the eighth capacitor, the other end of the ninth capacitor, the other end of the tenth capacitor and the other end of the eleventh capacitor are all grounded.
6. The electronic switch circuit according to claim 5, wherein the switch control module comprises a twelfth resistor, a thirteenth resistor, a fourth switching tube, a fourteenth resistor, a fifteenth resistor, a seventh capacitor and a fifth switching tube;
one end of the twelfth resistor and one end of the thirteenth resistor are connected with the third end of the second timer, the other end of the thirteenth resistor is connected with the base electrode of the fourth switching tube, the collector electrode of the fourth switching tube is connected with one end of the fourteenth resistor and one end of the fifteenth resistor, the other end of the fifteenth resistor is connected with the third end of the voltage stabilizer, one end of the seventh capacitor and the source electrode of the fifth switching tube, the other end of the fourteenth resistor is connected with the grid electrode of the fifth switching tube and the other end of the seventh capacitor, and the emitting electrode of the fourth switching tube and the other end of the twelfth resistor are grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122699169.9U CN216774747U (en) | 2021-11-05 | 2021-11-05 | Electronic switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122699169.9U CN216774747U (en) | 2021-11-05 | 2021-11-05 | Electronic switch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216774747U true CN216774747U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122699169.9U Active CN216774747U (en) | 2021-11-05 | 2021-11-05 | Electronic switch circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216774747U (en) |
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2021
- 2021-11-05 CN CN202122699169.9U patent/CN216774747U/en active Active
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