Energy-saving switch control circuit with self-locking function
The energy-saving switch control circuit with self-locking function solves the problem of low intelligence in existing energy-saving switch control circuits, realizes button delay control and self-locking power-off protection, and improves the intelligence and safety of the circuit.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU NENGCHENG ELECTRIC CO LTD
- Filing Date
- 2025-07-02
- Publication Date
- 2026-06-09
AI Technical Summary
Existing energy-saving switch control circuits cannot automatically change the switch control mode according to the button pressing method, resulting in continuous power supply during long-term pressing, which wastes energy and has low intelligence.
The energy-saving switch control circuit with self-locking function includes a power supply module, a timing detection module, an energy-saving timing module, a self-locking module, and an output protection module. It realizes intelligent management of electrical energy through the delay control and self-locking mechanism of the push-button switch.
It realizes delay control and self-locking power-off protection for push-button switches, improves the intelligence of the circuit, avoids energy waste caused by prolonged pressing, and enhances the safety of the circuit.
Smart Images
Figure CN224343172U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of energy-saving switch technology, specifically an energy-saving switch control circuit with a self-locking function. Background Technology
[0002] Existing energy-saving switch control circuits generally use components such as buttons, timers, and field-effect transistors to achieve delay control, thereby achieving energy-saving switch control. They are widely used in corridor lights. However, because these energy-saving switch control circuits can only perform delay-based energy-saving control and cannot automatically change the switch control mode according to the button press method, the circuit has low intelligence. Furthermore, when the button is pressed for a long time and remains in the pressed state, the circuit will be continuously powered, resulting in energy waste. Therefore, improvements are needed. Utility Model Content
[0003] This utility model provides an energy-saving switch control circuit with a self-locking function to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution:
[0005] An energy-saving switch control circuit with a self-locking function includes: a power supply module, a timing detection module, an energy-saving timing module, a self-locking module, an output control module, and an output protection module;
[0006] The power module is used to step down, rectify, filter, and regulate the incoming AC power and output the first electrical energy.
[0007] The energy-saving timing module is connected to the power supply module and the output control module. It is used to receive the first electrical energy and set the delay time. When the button switch is pressed, it outputs the fourth control signal and controls the output control module to transmit electrical energy. After the delay time is exceeded, it stops controlling the output control module.
[0008] The timing detection module is connected to the power supply module and the energy-saving timing module. It is used to receive the first electrical energy and detect whether the duration of the key switch of the energy-saving timing module being pressed exceeds the set first timing time. When the first timing time is exceeded, the first control signal is output.
[0009] The self-locking module is connected to the power supply module and the timing detection module. It is used to receive the first electrical energy, perform high-level self-locking on the first control signal, and output the second control signal.
[0010] The output protection module, connected to the self-locking module and the fourth detection module, is used to set a second timing period, and when the duration of receiving the second control signal and the first control signal exceeds the second timing period, it outputs a third control signal and controls the output control module to perform self-locking power-off protection.
[0011] The output control module, connected to the power supply module, the self-locking module, and the output protection module, is used to transmit the first electrical energy to the connected electrical equipment when a second or fourth control signal is received, and to perform power-off control when a fifth control signal is received.
[0012] As a further embodiment of this utility model: the power supply module includes a power interface and a voltage regulator; the output control module includes a first power transistor, a seventh resistor, a first diode, a second diode, a third switching transistor, a fourth capacitor, and an output port;
[0013] Preferably, the first and second terminals of the power interface are connected to the first and second terminals of the voltage regulator, respectively. The third terminal of the voltage regulator is connected to the drain of the first power transistor. The source of the first power transistor is connected to the first terminal of the output port and is connected to the second terminal of the output port, the collector of the third switching transistor, the fourth terminal of the voltage regulator, and the ground terminal through the fourth capacitor. The gate of the first power transistor is connected to the cathode of the first diode, the cathode of the second diode, and the base collector of the third switching transistor through the seventh resistor. The base of the third switching transistor is connected to the output protection module.
[0014] As a further embodiment of this utility model: the energy-saving timing module includes a fifth resistor, a first push-button switch, a second capacitor, a sixth resistor, a first timer, and a third capacitor;
[0015] Preferably, the first terminal of the first push-button switch is connected to the second terminal of the first timer and is connected to one terminal of the sixth resistor, the third terminal of the voltage regulator, the fourth terminal and the eighth terminal of the first timer through the fifth resistor. The seventh terminal and the sixth terminal of the first timer are both connected to the other terminal of the sixth resistor and are connected to the second terminal of the first push-button switch, the first terminal of the first timer, one terminal of the third capacitor and ground through the second capacitor. The other terminal of the third capacitor is connected to the fifth terminal of the first timer, and the third terminal of the first timer is connected to the anode of the first diode.
[0016] As a further embodiment of this utility model: the timing detection module includes a first switching transistor, a first resistor, a second resistor, a first capacitor, a second switching transistor, and a third resistor;
[0017] Preferably, the collector of the first switching transistor is connected to the emitter of the second switching transistor and the third terminal of the voltage regulator; the collector of the second switching transistor is connected to one end of the third resistor and one end of the first capacitor, and is connected to the base of the first switching transistor through the second resistor; the emitter of the first switching transistor is connected to the output protection module and the first terminal of the first resistor; the second terminal of the first resistor is connected to the other terminal of the first capacitor, the other terminal of the third resistor, and ground; and the base of the second switching transistor is connected to the first terminal of the first push-button switch.
[0018] As a further embodiment of this utility model: the self-locking module includes a third diode, a fourth diode, a fourth resistor, and a first logic device;
[0019] Preferably, the third diode is connected to the emitter of the first switching transistor, the cathode of the third diode is connected to the cathode of the fourth diode and the A terminal of the first logic device, the B terminal of the first logic device is connected to the third terminal of the voltage regulator through the fourth resistor, and the Y terminal of the first logic device is connected to the anode of the fourth diode, the anode of the second diode and the output protection module.
[0020] As a further embodiment of this utility model: the output protection module includes a second logic unit, an eighth resistor, a fifth capacitor, a ninth resistor, a fourth switching transistor, a fifth switching transistor, and a first power supply;
[0021] Preferably, the A terminal of the second logic unit is connected to the Y terminal of the first logic unit and the collector of the fifth switching transistor; the B terminal of the second logic unit is connected to the first terminal of the first resistor; the Y terminal of the second logic unit is connected to one end of the fifth capacitor and the base of the fourth switching transistor through the eighth resistor; the emitter of the fourth switching transistor is connected to the base of the fifth switching transistor and connected to the other end of the fifth capacitor and ground through the ninth resistor; the collector of the fourth switching transistor is connected to the first power supply; and the emitter of the fifth switching transistor is connected to the base of the third switching transistor.
[0022] Compared with the prior art, the beneficial effects of this utility model are as follows: The energy-saving switch control circuit with self-locking function of this utility model can delay the output control module to transmit the power energy after processing by the power supply module through the key switch. The timing detection module detects whether the duration of the key switch being closed exceeds the set first timing time. If it exceeds the time, the self-locking module will be triggered to perform self-locking and control the output control module to perform self-locking power supply, thus increasing the power supply methods. In addition, the output protection module, together with the self-locking module and the timing detection module, determines whether the key switch of the energy-saving timing module is in a closed state for a long time. If the key switch is closed for a long time, the output control module will be powered off, thus improving circuit safety. Attached Figure Description
[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0024] Figure 1 This is a schematic block diagram of an energy-saving switch control circuit with a self-locking function, provided as an example of this utility model.
[0025] Figure 2A circuit diagram of an energy-saving switch control circuit with a self-locking function is provided for this utility model example.
[0026] Figure 3 A connection circuit diagram of the output protection module provided for this utility model embodiment. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] In one embodiment, see Figure 1 An energy-saving switch control circuit with self-locking function includes: a power supply module 1, a timing detection module 2, an energy-saving timing module 3, a self-locking module 4, an output control module 5, and an output protection module 6.
[0029] Specifically, power module 1 is used to step down, rectify, filter, and regulate the input AC power and output the first power.
[0030] The energy-saving timing module 3 is connected to the power supply module 1 and the output control module 5. It is used to receive the first electrical energy and set the delay time. When the button switch is pressed, it outputs the fourth control signal and controls the output control module 5 to transmit electrical energy. After the delay time is exceeded, it stops controlling the output control module 5.
[0031] The timing detection module 2 is connected to the power module 1 and the energy-saving timing module 3. It is used to receive the first electrical energy and detect whether the duration of the button switch of the energy-saving timing module 3 being pressed exceeds the set first timing time. When the first timing time is exceeded, the first control signal is output.
[0032] The self-locking module 4 is connected to the power supply module 1 and the timing detection module 2. It is used to receive the first electrical energy, perform high-level self-locking on the first control signal, and output the second control signal.
[0033] Output protection module 6, connected to self-locking module 4 and fourth detection module, is used to set a second timing time, and when the duration of receiving the second control signal and the first control signal exceeds the second timing time, outputs a third control signal and controls output control module 5 to perform self-locking power-off protection.
[0034] The output control module 5 is connected to the power supply module 1, the self-locking module 4 and the output protection module 6. It is used to transmit the first electrical energy to the connected electrical equipment when it receives the second control signal or the fourth control signal, and to perform power-off control when it receives the fifth control signal.
[0035] In a specific embodiment, the power module 1 can be a power circuit composed of a power interface and a voltage regulator, capable of receiving AC power and performing voltage reduction, rectification, filtering, and regulation on the AC power; the timing detection module 2 can be a timing detection circuit composed of a transistor, resistor, and capacitor, capable of setting a first timing time to determine whether the closing time of the push-button switch of the energy-saving timing module 3 exceeds the first timing time, which is set as needed; the energy-saving timing module 3 can be an energy-saving timing circuit composed of a timer, capacitor, resistor, and push-button switch, capable of setting a delay time, starting the delay operation upon closing the push-button switch and continuing the delay... Within a specified time period, the output control module 5 performs power transmission; the self-locking module 4 can be a self-locking circuit composed of diodes, logic devices, and resistors, which can perform self-locking processing on high-level input signals; the output control module 5 can be an output control circuit composed of field-effect transistors, diodes, transistors, etc., which can control power transmission and power-off; the output protection module 6 can be an output protection circuit composed of logic devices, transistors, capacitors, etc., which can set a second timing time and detect whether the duration of the signals output by the self-locking module 4 and the timing detection module 2 exceeds the second timing time, and if it exceeds, control the output control module 5 to power off.
[0036] In another embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The power module 1 includes a power interface and a voltage regulator; the output control module 5 includes a first power transistor Q1, a seventh resistor R7, a first diode D1, a second diode D2, a third switching transistor V3, a fourth capacitor C4, and an output port.
[0037] Specifically, the first and second ends of the power interface are connected to the first and second ends of the voltage regulator, respectively. The third end of the voltage regulator is connected to the drain of the first power transistor Q1. The source of the first power transistor Q1 is connected to the first end of the output port and is connected to the second end of the output port, the collector of the third switch V3, the fourth end of the voltage regulator, and the ground through the fourth capacitor C4. The gate of the first power transistor Q1 is connected to the cathode of the first diode D1, the cathode of the second diode D2, and the base collector of the third switch V3 through the seventh resistor R7. The base of the third switch V3 is connected to the output protection module 6.
[0038] In a specific embodiment, the voltage regulation device may consist of a transformer, a rectifier, a filter, and a voltage regulator; the first power transistor Q1 may be an N-channel MOSFET; and the third switching transistor V3 may be an NPN transistor.
[0039] Furthermore, the energy-saving timing module 3 includes a fifth resistor R5, a first push-button switch K1, a second capacitor C2, a sixth resistor R6, a first timer IC1, and a third capacitor C3;
[0040] Specifically, the first terminal of the first push-button switch K1 is connected to the second terminal of the first timer IC1 and is connected to one terminal of the sixth resistor R6, the third terminal of the voltage regulator, the fourth terminal and the eighth terminal of the first timer IC1 through the fifth resistor R5. The seventh terminal and the sixth terminal of the first timer IC1 are both connected to the other terminal of the sixth resistor R6 and are connected to the second terminal of the first push-button switch K1, the first terminal of the first timer IC1, one terminal of the third capacitor C3 and the ground terminal through the second capacitor C2. The other terminal of the third capacitor C3 is connected to the fifth terminal of the first timer IC1 and the third terminal of the first timer IC1 is connected to the anode of the first diode D1.
[0041] In a specific embodiment, the first timer IC1 mentioned above can be an NE555 chip.
[0042] Furthermore, the timing detection module 2 includes a first switch V1, a first resistor R1, a second resistor R2, a first capacitor C1, a second switch V2, and a third resistor R3;
[0043] Specifically, the collector of the first switching transistor V1 is connected to the emitter of the second switching transistor V2 and the third terminal of the voltage regulator. The collector of the second switching transistor V2 is connected to one end of the third resistor R3 and one end of the first capacitor C1, and is connected to the base of the first switching transistor V1 through the second resistor R2. The emitter of the first switching transistor V1 is connected to the output protection module 6 and the first end of the first resistor R1. The second end of the first resistor R1 is connected to the other end of the first capacitor C1, the other end of the third resistor R3, and the ground terminal. The base of the second switching transistor V2 is connected to the first terminal of the first push-button switch K1.
[0044] In a specific embodiment, the first switching transistor V1 can be an NPN transistor, and the second switching transistor V2 can be a PNP transistor. The second resistor R2, the first capacitor C1, and the third resistor R3 can be set to a first timing period. Specifically, when the electrical energy stored in the first capacitor C1, in conjunction with the adjustment of the second resistor R2 and the third resistor R3, reaches the conduction voltage of the first switching transistor V1, it indicates that the conduction time of the first push-button switch K1 has reached the first timing period.
[0045] Furthermore, the self-locking module 4 includes a third diode D3, a fourth diode D4, a fourth resistor R4, and a first logic unit J1;
[0046] Specifically, the third diode D3 is connected to the emitter of the first switching transistor V1, the cathode of the third diode D3 is connected to the cathode of the fourth diode D4 and the A terminal of the first logic device J1, the B terminal of the first logic device J1 is connected to the third terminal of the voltage regulator through the fourth resistor R4, and the Y terminal of the first logic device J1 is connected to the anode of the fourth diode D4, the anode of the second diode D2 and the output protection module 6.
[0047] In a specific embodiment, the first logic device J1 can be an AND gate chip, which, together with the third diode D3, the fourth diode D4 and the fourth resistor R4, performs self-locking.
[0048] Furthermore, the output protection module 6 includes a second logic unit J2, an eighth resistor R8, a fifth capacitor C5, a ninth resistor R9, a fourth switch V4, a fifth switch V5, and a first power supply VCC1;
[0049] Specifically, the A terminal of the second logic unit J2 is connected to the Y terminal of the first logic unit J1 and the collector of the fifth switching transistor V5. The B terminal of the second logic unit J2 is connected to the first terminal of the first resistor R1. The Y terminal of the second logic unit J2 is connected to one end of the fifth capacitor C5 and the base of the fourth switching transistor V4 through the eighth resistor R8. The emitter of the fourth switching transistor V4 is connected to the base of the fifth switching transistor V5 and is connected to the other end of the fifth capacitor C5 and the ground terminal through the ninth resistor R9. The collector of the fourth switching transistor V4 is connected to the first power supply VCC1. The emitter of the fifth switching transistor V5 is connected to the base of the third switching transistor V3.
[0050] In a specific embodiment, the second logic device J2 can be an AND gate chip; the eighth resistor R8 and the fifth capacitor C5 set the second timing time, and the fifth capacitor C5 stores energy. When the energy stored in the fifth capacitor C5 reaches the conduction voltage of the fourth switch V4, it indicates that the duration of the high-level signal output at the Y terminal of the second logic device J2 has reached the second timing time; both the fifth switch V5 and the fourth switch V4 can be NPN transistors.
[0051] In this embodiment, an energy-saving switch control circuit with a self-locking function is provided. AC power is connected via a power interface. A voltage regulator performs voltage reduction, rectification, filtering, and regulation, outputting the first power. When the first button switch K1 is pressed, the first timer IC1, in conjunction with the sixth resistor R6, the second capacitor C2, and the third capacitor C3, performs a delay operation. During the delay time, a fourth control signal is output, controlling the first power transistor Q1 to conduct. This allows the first capacitor C1 to be filtered by the fourth capacitor C4 and then transmitted to the output port. Simultaneously, when the first button switch K1 is closed, the second switch V2 conducts, and the first capacitor C1 stores energy. When the duration of the first button switch K1's continuous closure exceeds the first timing time set by the second resistor R2, the first capacitor C1, and the third resistor R3, the first switch V1 conducts, in conjunction with the first resistor R6... 1. Output the first control signal. The fourth resistor R4, the third diode D3, the fourth resistor R4, and the first logic device J1 perform self-locking processing on the first control signal. The second resistor R2 continuously controls the first power transistor Q1 to conduct, realizing continuous power supply. When the first switch V1 and the first resistor R1 are still outputting the first control signal during continuous power supply, the Y terminal of the second logic device J2 will output a high-level signal, which is stored by the fifth capacitor C5. The fifth capacitor C5 and the eighth resistor R8 set the second timing time. After the second logic device J2 outputs a high level for a longer period than the second timing time, the fourth switch V4 conducts, triggering the fifth switch V5 to conduct. This causes the signal output by the first logic device J1 to trigger the third switch V3 to conduct, thereby controlling the first power transistor Q1 to perform self-locking power-off protection.
[0052] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0053] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider 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 energy-saving switch control circuit with a self-locking function, characterized in that, The circuit includes: a power supply module, a timing detection module, an energy-saving timing module, a self-locking module, an output control module, and an output protection module; The power module is used to step down, rectify, filter, and regulate the incoming AC power and output the first electrical energy. The energy-saving timing module is connected to the power supply module and the output control module. It is used to receive the first electrical energy and set the delay time. When the button switch is pressed, it outputs the fourth control signal and controls the output control module to transmit electrical energy. After the delay time is exceeded, it stops controlling the output control module. The timing detection module is connected to the power supply module and the energy-saving timing module. It is used to receive the first electrical energy and detect whether the duration of the key switch of the energy-saving timing module being pressed exceeds the set first timing time. When the first timing time is exceeded, the first control signal is output. The self-locking module is connected to the power supply module and the timing detection module. It is used to receive the first electrical energy, perform high-level self-locking on the first control signal, and output the second control signal. The output protection module, connected to the self-locking module and the fourth detection module, is used to set a second timing period, and when the duration of receiving the second control signal and the first control signal exceeds the second timing period, it outputs a third control signal and controls the output control module to perform self-locking power-off protection. The output control module, connected to the power supply module, the self-locking module, and the output protection module, is used to transmit the first electrical energy to the connected electrical equipment when a second or fourth control signal is received, and to perform power-off control when a fifth control signal is received.
2. The energy-saving switch control circuit with self-locking function according to claim 1, characterized in that, The power module includes a power interface and a voltage regulator; the output control module includes a first power transistor, a seventh resistor, a first diode, a second diode, a third switching transistor, a fourth capacitor, and an output port. The first and second ends of the power interface are respectively connected to the first and second ends of the voltage regulator. The third end of the voltage regulator is connected to the drain of the first power transistor. The source of the first power transistor is connected to the first end of the output port and is connected to the second end of the output port, the collector of the third switching transistor, the fourth end of the voltage regulator, and the ground through the fourth capacitor. The gate of the first power transistor is connected to the cathode of the first diode, the cathode of the second diode, and the base collector of the third switching transistor through the seventh resistor. The base of the third switching transistor is connected to the output protection module.
3. The energy-saving switch control circuit with self-locking function according to claim 2, characterized in that, The energy-saving timing module includes a fifth resistor, a first push-button switch, a second capacitor, a sixth resistor, a first timer, and a third capacitor; The first terminal of the first push-button switch is connected to the second terminal of the first timer and is connected to one terminal of the sixth resistor, the third terminal of the voltage regulator, the fourth terminal and the eighth terminal of the first timer through the fifth resistor. The seventh terminal and the sixth terminal of the first timer are both connected to the other terminal of the sixth resistor and are connected to the second terminal of the first push-button switch, the first terminal of the first timer, one terminal of the third capacitor and the ground terminal through the second capacitor. The other terminal of the third capacitor is connected to the fifth terminal of the first timer and the third terminal of the first timer is connected to the anode of the first diode.
4. The energy-saving switch control circuit with self-locking function according to claim 3, characterized in that, The timing detection module includes a first switching transistor, a first resistor, a second resistor, a first capacitor, a second switching transistor, and a third resistor; The collector of the first switching transistor is connected to the emitter of the second switching transistor and the third terminal of the voltage regulator. The collector of the second switching transistor is connected to one end of the third resistor and one end of the first capacitor, and is connected to the base of the first switching transistor through the second resistor. The emitter of the first switching transistor is connected to the output protection module and the first end of the first resistor. The second end of the first resistor is connected to the other end of the first capacitor, the other end of the third resistor, and ground. The base of the second switching transistor is connected to the first terminal of the first push-button switch.
5. The energy-saving switch control circuit with self-locking function according to claim 4, characterized in that, The self-locking module includes a third diode, a fourth diode, a fourth resistor, and a first logic unit; The third diode is connected to the emitter of the first switching transistor. The cathode of the third diode is connected to the cathode of the fourth diode and the A terminal of the first logic device. The B terminal of the first logic device is connected to the third terminal of the voltage regulator through the fourth resistor. The Y terminal of the first logic device is connected to the anode of the fourth diode, the anode of the second diode, and the output protection module.
6. The energy-saving switch control circuit with self-locking function according to claim 5, characterized in that, The output protection module includes a second logic unit, an eighth resistor, a fifth capacitor, a ninth resistor, a fourth switch, a fifth switch, and a first power supply. The A terminal of the second logic unit is connected to the Y terminal of the first logic unit and the collector of the fifth switching transistor. The B terminal of the second logic unit is connected to the first terminal of the first resistor. The Y terminal of the second logic unit is connected to one end of the fifth capacitor and the base of the fourth switching transistor through the eighth resistor. The emitter of the fourth switching transistor is connected to the base of the fifth switching transistor and is connected to the other end of the fifth capacitor and the ground terminal through the ninth resistor. The collector of the fourth switching transistor is connected to the first power supply. The emitter of the fifth switching transistor is connected to the base of the third switching transistor.