Intelligent switching circuit of electronic equipment
Through the count display and anti-fault triggering control module in the intelligent switching circuit, the problem of false triggering of electronic equipment switches is solved, and safe and reliable power supply control is achieved.
Patent Information
- Application Number
- CN202422277015.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-18
AI Technical Summary
The switching control method of existing electronic devices is relatively single, and it is prone to incorrect triggering, resulting in low safety.
The intelligent switching circuit is adopted, including a power supply module, a first control module, a switch control module, a second control module, a counting display module and an anti-error triggering control module. The counting display module records the number of key presses and outputs the signal after the set number is reached. The anti-error triggering control module performs self-locking processing to ensure safe power transmission.
It improves the power supply safety of electronic devices, prevents the buttons from being triggered by mistake, and enhances the safety of switch control.
Smart Images

Figure CN223180588U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of intelligent switches, in particular to an intelligent switch circuit for electronic devices. Background Art
[0002] At present, with the rapid development of science and technology, various electronic devices with high-tech are widely used in various fields and places, providing convenience for people's work and life. To control the operation of electronic devices, the switch circuits composed of control switches and the like are generally adopted in the prior art. The electric energy provided by the connected power supply device is directly transmitted to the electronic device through the control switch. However, due to the relatively single control mode of the control switch, the situation of accidental switch triggering is likely to occur, resulting in the electronic device entering the working state, and the safety of the switch control mode is relatively low. Therefore, it needs to be improved. Summary of the Utility Model
[0003] An embodiment of the utility model provides an intelligent switch circuit for electronic devices to solve the problems raised in the above background art.
[0004] To achieve the above object, the utility model provides the following technical solutions:
[0005] An intelligent switch circuit for electronic devices includes: a power supply module, a first control module, a switch control module, a second control module, a counting and display module, an anti-mis-triggering control module, and an electronic device module;
[0006] The power supply module is used for accessing AC electric energy, performing step-down and voltage stabilization and filtering processing on the AC electric energy and outputting the first electric energy, and performing voltage stabilization and filtering processing on the first electric energy and outputting the second electric energy;
[0007] The switch control module is connected to the power supply module, and is used for receiving the first electric energy and providing a first control signal, and outputting a second control signal when providing the first control signal and rapid power supply work is required;
[0008] The first control module is connected to the power supply module, the switch control module, the anti-mis-triggering control module, and the electronic device module, and is used for transmitting the first electric energy to the electronic device module when receiving the second control signal or the third control signal output by the anti-mis-triggering control module;
[0009] The second control module is connected to the power supply module, the counting and display module, and the switch control module, and is used for transmitting the second electric energy to the counting and display module when receiving the first control signal, and stopping transmitting the second electric energy when receiving the second control signal;
[0010] A counting display module, which is used to receive the second electric energy transmitted by the second control module, count the number of times the control switch is pressed, and output a first level signal and display the number of times when the control switch is pressed for the third time;
[0011] An anti-mis-trigger control module, connected to the switch control module and the anti-mis-trigger control module, is used to output a third control signal when receiving the first level signal and the first control signal, and perform self-locking processing on the third control signal during the reception of the first control signal;
[0012] An electronic device module, which is used to receive the first electric energy transmitted by the first control module and supply power to the connected electronic devices.
[0013] As a further solution of the present invention: The power supply module includes a power supply interface, a first transformer, a first rectifier, a first capacitor, a first voltage regulator, and a second capacitor; the first control module includes a sixth resistor, a fifth resistor, a second switching tube, a first power tube, and a third capacitor; the electronic device module includes an electronic device interface;
[0014] Preferably, the first end and the second end of the power supply interface are respectively connected to the first end and the second end of the primary side of the first transformer, the first end and the second end of the secondary side of the first transformer are respectively connected to the first end and the second end of the first rectifier, the third end of the first rectifier is connected to the third end of the first voltage regulator, one end of the first capacitor, and the source electrode of the first power tube and is connected to the gate electrode of the first power tube and the collector of the second switching tube through the sixth resistor, the drain electrode of the first power tube is connected to one end of the electronic device interface and one end of the third capacitor, the second end of the first voltage regulator is connected to the second control module and one end of the second capacitor, the fourth end of the first rectifier, the other end of the first capacitor, the first end of the first voltage regulator, the other end of the second capacitor, the emitter of the second switching tube, the other end of the third capacitor, and the second end of the electronic device interface are all grounded, the base electrode of the second switching tube is connected to the first end of the fifth resistor, and the second end of the fifth resistor is connected to the anti-mis-trigger control module.
[0015] As a further solution of the present invention: The switch control module includes a tenth resistor, a first control switch, a second control switch, and a fifth diode;
[0016] Preferably, the moving end of the first control switch is connected to the third end of the first voltage regulator through the tenth resistor, the static end of the first control switch is connected to the moving end of the second control switch, the counting display module, and the anti-mis-trigger control module, the static end of the second control switch is connected to the anode of the fifth diode and the counting display module, and the cathode of the fifth diode is connected to the second end of the fifth resistor.
[0017] As a further solution of the present invention: The anti-mis-trigger control module includes a third diode, a first logic chip, and a fourth diode;
[0018] Preferably, the anode of the third diode is connected to the counting display module, the cathode of the third diode is connected to the B terminal of the first logic chip and the cathode of the fourth diode, the anode of the fourth diode is connected to the Y terminal of the first logic chip and the second terminal of the fifth resistor, and the A terminal of the first logic chip is connected to the static terminal of the first control switch and the second control module.
[0019] As a further solution of the present utility model: The counting display module includes a first resistor, a third control switch, a second resistor, a third resistor, a first switching tube, a fourth resistor, a first counter, a first diode, a second diode, a first indicator light, a second indicator light, and a third indicator light;
[0020] Preferably, one end of the third control switch is connected to the third resistor, the sixteenth terminal of the first counter, and the second control module through the first resistor, the other end of the third control switch is connected to the base of the first switching tube and grounded through the second resistor, the collector of the first switching tube is connected to the other end of the third resistor, the emitter of the first switching tube is connected to the fourteenth terminal of the first counter and grounded through the fourth resistor, the eighth terminal, the thirteenth terminal, and the fifteenth terminal of the first counter are all grounded, the third terminal of the first counter is connected to the cathode of the first diode and the anode of the first indicator light, the second terminal of the first counter is connected to the anode of the first diode, the cathode of the second diode, and the anode of the second indicator light, the fourth terminal of the first counter is connected to the anode of the third diode, the anode of the second diode, and the anode of the third indicator light, and the cathodes of the first indicator light, the second indicator light, and the third indicator light are all grounded.
[0021] As a further solution of the present utility model: The second control module includes a seventh resistor, a second power tube, a third switching tube, an eighth resistor, a ninth resistor, and a fourth switching tube;
[0022] Preferably, the gate of the second power tube is connected to the collector of the third switching tube and connected to the source of the second power tube and the second terminal of the first voltage regulator through the seventh resistor, the drain of the second power tube is connected to the sixteenth terminal of the first counter, the base of the third switching tube is connected to the collector of the fourth switching tube and connected to the static terminal of the first control switch through the eighth resistor, the base of the fourth switching tube is connected to the static terminal of the second control switch through the ninth resistor, and the emitters of the third switching tube and the fourth switching tube are both grounded.
[0023] Compared with the prior art, the beneficial effects of the present utility model are as follows: The intelligent switch circuit of the electronic device of the present utility model can directly control the first control module to supply power to the electronic device module through the switch control module. To avoid accidental triggering of the switch, it can also control the second control module to supply power to the counting and display module. The counting and display module performs multiple key trigger counts, and only after the number of times the key is pressed reaches the set number of times, can the anti-trigger control module control the first control module to perform the power supply operation, completing the power supply control of the electronic device module, improving the power supply safety of the electronic device, and preventing the occurrence of accidental key triggering. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments of the present utility model. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0025] Figure 1 FIG. is a schematic block diagram of the principle of an intelligent switch circuit for an electronic device provided by an example of the present utility model.
[0026] Figure 2 FIG. is a circuit diagram of an intelligent switch circuit for an electronic device provided by an example of the present utility model.
[0027] Figure 3 FIG. is a connection circuit diagram of the switch control module provided by an example of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.
[0029] In one embodiment, please refer to Figure 1 , an intelligent switch circuit for an electronic device, comprising: a power supply module 1, a first control module 2, a switch control module 3, a second control module 4, a counting and display module 5, an anti-mis-trigger control module 6, and an electronic device module 7;
[0030] Specifically, the power supply module 1 is used to access AC electrical energy, perform step-down and voltage stabilization and filtering processing on the AC electrical energy and output the first electrical energy, and perform voltage stabilization and filtering processing on the first electrical energy and output the second electrical energy;
[0031] The switch control module 3, connected to the power supply module 1, is configured to receive the first electric energy and provide a first control signal, and output a second control signal when providing the first control signal and rapid power supply work is required;
[0032] The first control module 2, connected to the power supply module 1, the switch control module 3, the anti-misoperation trigger control module 6, and the electronic device module 7, is configured to transmit the first electric energy to the electronic device module 7 when receiving the second control signal or the third control signal output by the anti-misoperation trigger control module 6;
[0033] The second control module 4, connected to the power supply module 1, the counting and display module 5, and the switch control module 3, is configured to transmit the second electric energy to the counting and display module 5 when receiving the first control signal, and stop transmitting the second electric energy when receiving the second control signal;
[0034] The counting and display module 5 is configured to receive the second electric energy transmitted by the second control module 4, count the number of times the control switch is pressed, and output a first level signal and display the number of times when the control switch is pressed for the third time;
[0035] The anti-misoperation trigger control module 6, connected to the switch control module 3 and the anti-misoperation trigger control module 6, is configured to output a third control signal when receiving the first level signal and the first control signal, and perform self-locking processing on the third control signal during the reception of the first control signal;
[0036] The electronic device module 7 is configured to receive the first electric energy transmitted by the first control module 2 and supply power to the connected electronic devices.
[0037] In a specific embodiment, the above-mentioned power supply module 1 can adopt a power supply circuit composed of a power interface, a transformer, a rectifier, a voltage regulator, etc., which can access AC power and perform step-down, rectification filtering, and voltage stabilization filtering on the AC power; the above-mentioned first control module 2 can adopt a first control circuit composed of a field effect transistor, a resistor, a triode, and a capacitor, which can control the transmission state of electric energy; the above-mentioned switch control module 3 can adopt a switch control circuit composed of a single-pole switch, a resistor, and a diode, which can control the working states of the first control module 2 and the second control module 4; the above-mentioned second control module 4 can adopt a second control circuit composed of a triode, a field effect transistor, and a resistor, which can control the transmission state of electric energy according to the working state of the switch control module 3; the above-mentioned counting and display module 5 can adopt a counting and display circuit composed of a key switch, a triode, a counter, an LED, etc., which can record the number of times the key switch is pressed, and after the key switch is pressed three times, provide a high-level signal for the anti-mis-trigger control module 6 and perform one-press display, two-press display, and three-press display; the above-mentioned anti-mis-trigger control module 6 can adopt an anti-mis-trigger control circuit composed of a diode and a logic chip, which can control the power supply operation of the first control module 2 when receiving the signals output by the counting and display module 5 and the switch control module 3; the above-mentioned electronic device module 7 can adopt an electronic device circuit composed of an electronic device interface, which can be connected to an electronic device and then supply power to the electronic device.
[0038] In another embodiment, please refer to Figure 1 、 Figure 2 and Figure 3 , the power supply module 1 includes a power interface, a first transformer B1, a first rectifier T1, a first capacitor C1, a first voltage regulator IC1, and a second capacitor C2; the first control module 2 includes a sixth resistor R6, a fifth resistor R5, a second switching tube V2, a first power tube Q1, and a third capacitor C3; the electronic device module 7 includes an electronic device interface.
[0039] Specifically, the first end and the second end of the power interface are respectively connected to the first end and the second end of the primary side of the first transformer B1. The first end and the second end of the secondary side of the first transformer B1 are respectively connected to the first end and the second end of the first rectifier T1. The third end of the first rectifier T1 is connected to the third end of the first voltage regulator IC1, one end of the first capacitor C1, and the source electrode of the first power transistor Q1, and is connected to the gate electrode of the first power transistor Q1 and the collector of the second switching transistor V2 through the sixth resistor R6. The drain electrode of the first power transistor Q1 is connected to one end of the electronic device interface and one end of the third capacitor C3. The second end of the first voltage regulator IC1 is connected to the second control module 4 and one end of the second capacitor C2. The fourth end of the first rectifier T1, the other end of the first capacitor C1, the first end of the first voltage regulator IC1, the other end of the second capacitor C2, the emitter of the second switching transistor V2, the other end of the third capacitor C3, and the second end of the electronic device interface are all grounded. The base electrode of the second switching transistor V2 is connected to the first end of the fifth resistor R5, and the second end of the fifth resistor R5 is connected to the anti-mis-triggering control module 6.
[0040] In a specific embodiment, the first voltage regulator IC1 can be selected as a 7812 three-terminal voltage regulator; the second switching transistor V2 can be selected as an NPN-type triode; the first power transistor Q1 can be selected as a P-channel field effect transistor.
[0041] Further, the switch control module 3 includes a tenth resistor R10, a first control switch S1, a second control switch S2, and a fifth diode D5;
[0042] Specifically, the moving end of the first control switch S1 is connected to the third end of the first voltage regulator IC1 through the tenth resistor R10. The static end of the first control switch S1 is connected to the moving end of the second control switch S2, the counting and display module 5, and the anti-mis-triggering control module 6. The static end of the second control switch S2 is connected to the anode of the fifth diode D5 and the counting and display module 5. The cathode of the fifth diode D5 is connected to the second end of the fifth resistor R5.
[0043] In a specific embodiment, the first control switch S1 can be selected as a normally open single-pole switch, and the second control switch S2 can be selected as a normally closed single-pole switch.
[0044] Further, the anti-mis-triggering control module 6 includes a third diode D3, a first logic chip IC3, and a fourth diode D4;
[0045] Specifically, the anode of the third diode D3 is connected to the counting and display module 5. The cathode of the third diode D3 is connected to the B terminal of the first logic chip IC3 and the cathode of the fourth diode D4. The anode of the fourth diode D4 is connected to the Y terminal of the first logic chip IC3 and the second end of the fifth resistor R5. The A terminal of the first logic chip IC3 is connected to the static end of the first control switch S1 and the second control module 4.
[0046] In a specific embodiment, the above-mentioned first logic chip IC3 can be selected as an AND gate chip. In cooperation with the third diode D3 and the fourth diode D4, when the A terminal of the first logic chip IC3 is in a high-level state, a signal with a high-level state input to the B terminal of the first logic chip IC3 is self-locked.
[0047] Further, the counting and display module 5 includes a first resistor R1, a third control switch K1, a second resistor R2, a third resistor R3, a first switching tube V1, a fourth resistor R4, a first counter IC2, a first diode D1, a second diode D2, a first indicator LED1, a second indicator LED2, and a third indicator LED3;
[0048] Specifically, one end of the third control switch K1 is connected to the third resistor R3, the sixteenth terminal of the first counter IC2, and the second control module 4 through the first resistor R1. The other end of the third control switch K1 is connected to the base of the first switching tube V1 and grounded through the second resistor R2. The collector of the first switching tube V1 is connected to the other end of the third resistor R3. The emitter of the first switching tube V1 is connected to the fourteenth terminal of the first counter IC2 and grounded through the fourth resistor R4. The eighth, thirteenth, and fifteenth terminals of the first counter IC2 are all grounded. The third terminal of the first counter IC2 is connected to the cathode of the first diode D1 and the anode of the first indicator LED1. The second terminal of the first counter IC2 is connected to the anode of the first diode D1, the cathode of the second diode D2, and the anode of the second indicator LED2. The fourth terminal of the first counter IC2 is connected to the anode of the third diode D3, the anode of the second diode D2, and the anode of the third indicator LED3. The cathodes of the first indicator LED1, the second indicator LED2, and the third indicator LED3 are all grounded.
[0049] In a specific embodiment, the above-mentioned third control switch K1 can be selected as a push-button switch; the above-mentioned first switching tube V1 can be selected as an NPN-type triode; the above-mentioned first counter IC2 can be selected as a CD4017 chip; the above-mentioned first indicator LED1, second indicator LED2, and third indicator LED3 can all be selected as LEDs.
[0050] Further, the second control module 4 includes a seventh resistor R7, a second power tube Q2, a third switching tube V3, an eighth resistor R8, a ninth resistor R9, and a fourth switching tube V4;
[0051] Specifically, the gate of the second power transistor Q2 is connected to the collector of the third switching transistor V3 and is connected to the source of the second power transistor Q2 and the second terminal of the first voltage regulator IC1 through the seventh resistor R7. The drain of the second power transistor Q2 is connected to the sixteenth terminal of the first counter IC2. The base of the third switching transistor V3 is connected to the collector of the fourth switching transistor V4 and is connected to the static terminal of the first control switch S1 through the eighth resistor R8. The base of the fourth switching transistor V4 is connected to the static terminal of the second control switch S2 through the ninth resistor R9. The emitters of the third switching transistor V3 and the fourth switching transistor V4 are both grounded.
[0052] In a specific embodiment, the second power transistor Q2 can be selected as a P-channel field effect transistor; the third switching transistor V3 and the fourth switching transistor V4 can both be selected as NPN type triodes.
[0053] In the intelligent switch circuit of an electronic device in this embodiment, AC power is accessed through the power interface, and step-down, rectification filtering, and voltage stabilization filtering are performed by the first transformer B1, the first rectifier T1, the first capacitor C1, the first voltage regulator IC1, and the second capacitor C2. When the first control switch S1 is closed, since the second control switch S2 is closed, the fourth switching transistor V4 is triggered to conduct. At this time, the second switching transistor V2 is directly controlled to conduct through the first control switch S1, causing the first power transistor Q1 to conduct, and the power after rectification and filtering is transmitted to the electronic device connected to the electronic device interface. If mis-triggering control is required, the second control switch S2 needs to be disconnected. At this time, when the first control switch S1 is closed, the first control switch S1 will control the third switching transistor V3 to conduct and control the second power transistor Q2 to cut off. The power after voltage stabilization and filtering is transmitted to the first counter IC2. At this time, when the third control switch K1 is pressed for the first time, the first switching transistor V1 conducts, the third terminal of the first counter IC2 outputs a high level, and the first indicator LED1 is lit. When the third control switch K1 is pressed for the second time, the second terminal of the first counter IC2 triggers the first indicator LED1 and the second indicator LED2 to be lit. When the third control switch K1 is pressed for the third time, the first indicator LED1, the second indicator LED2, and the third indicator LED3 are all lit, and the B terminal of the first logic chip IC3 is controlled to become a high level. The first logic chip IC3 cooperates with the fourth diode D4 and the third diode D3 for high-level self-locking, triggers the second switching transistor V2 to conduct, controls the first power transistor Q1 to conduct, and transmits the power to the electronic device connected to the electronic device interface.
[0054] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.
[0055] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. An intelligent switching circuit for an electronic device, characterized in that the intelligent switching circuit of the electronic device includes: a power supply module, a first control module, a switch control module, a second control module, a counting and display module, an anti-misoperation trigger control module, and an electronic device module; the power supply module is used to access AC electrical energy, perform step-down and voltage-stabilizing filtering on the AC electrical energy and output a first electrical energy, and perform voltage-stabilizing filtering on the first electrical energy and output a second electrical energy; the switch control module is connected to the power supply module, and is used to receive the first electrical energy and provide a first control signal, and output a second control signal when providing the first control signal and rapid power supply work is required; the first control module is connected to the power supply module, the switch control module, the anti-misoperation trigger control module, and the electronic device module, and is used to transmit the first electrical energy to the electronic device module when receiving the second control signal or the third control signal output by the anti-misoperation trigger control module; the second control module is connected to the power supply module, the counting and display module, and the switch control module, and is used to transmit the second electrical energy to the counting and display module when receiving the first control signal, and stop transmitting the second electrical energy when receiving the second control signal; the counting and display module is used to receive the second electrical energy transmitted by the second control module, count the number of times the control switch is pressed, and output a first level signal and display the number of times when the control switch is pressed for the third time; the anti-misoperation trigger control module is connected to the switch control module and the anti-misoperation trigger control module, and is used to output a third control signal when receiving the first level signal and the first control signal, and perform self-locking processing on the third control signal during the reception of the first control signal; the electronic device module is used to receive the first electrical energy transmitted by the first control module and supply power to the connected electronic device.
2. An intelligent switch circuit for an electronic device according to claim 1, characterized in that, The power supply module includes a power supply interface, a first transformer, a first rectifier, a first capacitor, a first voltage regulator, and a second capacitor; the first control module includes a sixth resistor, a fifth resistor, a second switching tube, a first power tube, and a third capacitor; the electronic device module includes an electronic device interface; The first end and the second end of the power supply interface are respectively connected to the first end and the second end of the primary side of the first transformer. The first end and the second end of the secondary side of the first transformer are respectively connected to the first end and the second end of the first rectifier. The third end of the first rectifier is connected to the third end of the first voltage regulator, one end of the first capacitor, and the source electrode of the first power tube, and is connected to the gate electrode of the first power tube and the collector of the second switching tube through the sixth resistor. The drain electrode of the first power tube is connected to one end of the electronic device interface and one end of the third capacitor. The second end of the first voltage regulator is connected to the second control module and one end of the second capacitor. The fourth end of the first rectifier, the other end of the first capacitor, the first end of the first voltage regulator, the other end of the second capacitor, the emitter of the second switching tube, the other end of the third capacitor, and the second end of the electronic device interface are all grounded. The base electrode of the second switching tube is connected to the first end of the fifth resistor, and the second end of the fifth resistor is connected to the anti-misoperation trigger control module.
3. An intelligent switching circuit for an electronic device according to claim 2, characterized in that, The switch control module includes a tenth resistor, a first control switch, a second control switch, and a fifth diode; The moving end of the first control switch is connected to the third terminal of the first voltage regulator through the tenth resistor. The static end of the first control switch is connected to the moving end of the second control switch, the counting and display module, and the anti-mis-trigger control module. The static end of the second control switch is connected to the anode of the fifth diode and the counting and display module. The cathode of the fifth diode is connected to the second terminal of the fifth resistor.
4. An intelligent switch circuit for an electronic device according to claim 3, wherein, The anti-mis-trigger control module includes a third diode, a first logic chip, and a fourth diode; The anode of the third diode is connected to the counting and display module. The cathode of the third diode is connected to the B terminal of the first logic chip and the cathode of the fourth diode. The anode of the fourth diode is connected to the Y terminal of the first logic chip and the second terminal of the fifth resistor. The A terminal of the first logic chip is connected to the static end of the first control switch and the second control module.
5. An intelligent switch circuit for an electronic device according to claim 4, characterized in that, The counting and display module includes a first resistor, a third control switch, a second resistor, a third resistor, a first switching transistor, a fourth resistor, a first counter, a first diode, a second diode, a first indicator light, a second indicator light, and a third indicator light; One end of the third control switch is connected to the third resistor, the sixteenth terminal of the first counter, and the second control module through the first resistor. The other end of the third control switch is connected to the base of the first switching transistor and grounded through the second resistor. The collector of the first switching transistor is connected to the other end of the third resistor. The emitter of the first switching transistor is connected to the fourteenth terminal of the first counter and grounded through the fourth resistor. The eighth, thirteenth, and fifteenth terminals of the first counter are all grounded. The third terminal of the first counter is connected to the cathode of the first diode and the anode of the first indicator light. The second terminal of the first counter is connected to the anode of the first diode, the cathode of the second diode, and the anode of the second indicator light. The fourth terminal of the first counter is connected to the anode of the third diode, the anode of the second diode, and the anode of the third indicator light. The cathodes of the first indicator light, the second indicator light, and the third indicator light are all grounded.
6. An intelligent switch circuit for an electronic device according to claim 5, characterized in that, The second control module includes a seventh resistor, a second power transistor, a third switching transistor, an eighth resistor, a ninth resistor, and a fourth switching transistor; The gate of the second power transistor is connected to the collector of the third switching transistor and connected to the source of the second power transistor and the second terminal of the first voltage regulator through the seventh resistor. The drain of the second power transistor is connected to the sixteenth terminal of the first counter. The base of the third switching transistor is connected to the collector of the fourth switching transistor and connected to the static end of the first control switch through the eighth resistor. The base of the fourth switching transistor is connected to the static end of the second control switch through the ninth resistor. The emitters of the third switching transistor and the fourth switching transistor are both grounded.