Energy-saving control open-end circuit of electrical equipment

Abstract

The utility model discloses an energy-saving control open-end circuit for electrical equipment, which relates to the technical field of energy-saving control and comprises a power supply module for supplying power; the energy-saving mode control module is used for carrying out voltage stabilization regulation when energy-saving control is needed; the human body induction module is used for human body pyroelectric induction and controlling the second switch control module to stop electric energy transmission work when inducting the human body; the second switch control module is used for electric energy transmission and delayed power-off control; the time-delay control module is used for controlling the first switch control module to be powered off in a time-delay manner; the delay trigger module is used for controlling the second switch control module to perform delay power-off work; and the first switch control module is used for controlling electric energy transmission and supplying power to electrical equipment connected with the electrical equipment module. The electrical equipment energy-saving control open-end circuit realizes energy-saving power supply, reduces the frequency of self-starting and self-closing, and prolongs the service life of the circuit.

Description

Technical Field

[0001] The utility model relates to the technical field of energy-saving control, in particular to an energy-saving control starting circuit for electrical equipment. Background Technique

[0002] At present, in order to improve the energy-saving efficiency of various electrical equipment, the existing electrical equipment can generally be controlled by the time set by the user in advance to start or close the electrical equipment to control the automatic start and automatic shutdown of the electrical equipment, or an infrared sensor is used to detect whether the user is on-site to control the automatic start and automatic shutdown of the electrical equipment. However, when the infrared sensor is frequently in the state of detecting the user and not detecting the user, it will cause the electrical equipment to frequently start and close automatically, reducing the service life of the electrical equipment in the long term and reducing the user experience. Therefore, it needs to be improved. Content of the Utility Model

[0003] An embodiment of the utility model provides an energy-saving control starting circuit for electrical equipment to solve the problems proposed in the above background technique.

[0004] To achieve the above object, the utility model provides the following technical solutions:

[0005] An energy-saving control starting circuit for electrical equipment includes: a power supply module, an energy-saving mode control module, a human body sensing module, a second switch control module, a delay control module, a delay trigger module, a first switch control module, and an electrical equipment module;

[0006] The power supply module is used to access the mains power, step down, rectify, and filter the mains power and output the first electric energy;

[0007] The energy-saving mode control module is connected to the power supply module and is used to receive the first electric energy and, when energy-saving control is required, stabilize the first electric energy and output the second electric energy;

[0008] The human body sensing module is connected to the energy-saving mode control module and is used to receive the second electric energy and sense the human pyroelectricity. When the human pyroelectricity is sensed, a first control signal is output;

[0009] The second switch control module is connected to the energy-saving mode control module, the delay control module, the delay trigger module, and the human body sensing module, and is used to transmit the second electric energy to the delay control module, stop transmitting the second electric energy when receiving the first control signal, transmit the second electric energy to the delay control module and start timing when receiving the third control signal output by the delay trigger module, and stop transmitting the second electric energy after the timing ends;

[0010] A delay control module, which is used to start timing work and output a second control signal with a low level state at regular intervals when receiving the second electric energy transmitted by the second switch control module, and output a second control signal with a high level state after the timing ends;

[0011] A delay trigger module, connected to the delay control module and the energy-saving mode control module, is used to receive the second electric energy and output a third control signal when receiving the second control signal with a high level state;

[0012] A first switch control module, connected to the power supply module, the electrical equipment module and the delay control module, is used to transmit the first electric energy to the electrical equipment module when receiving the second control signal with a low level state, and stop transmitting the first electric energy when receiving the second control signal with a high level state;

[0013] The electrical equipment module is used to filter the first electric energy transmitted by the first switch control module and supply power to the connected electrical equipment.

[0014] As a further solution of the present invention: The power supply module includes a mains interface, a first transformer, a first rectifier and a first capacitor; the first switch control module includes a tenth resistor, a third power transistor and a third switch transistor; the electrical equipment module includes a seventh capacitor and an electrical equipment interface;

[0015] Preferably, the first end and the second end of the mains 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 first end of the first capacitor and the drain of the third power transistor and is connected to the gate of the third power transistor and the collector of the third switch transistor through the tenth resistor, the source of the third power transistor is connected to the first end of the electrical equipment interface and one end of the seventh capacitor, the base of the third switch transistor is connected to the delay control module, and the emitter of the third switch transistor is connected to the other end of the seventh capacitor, the second end of the electrical equipment interface, the second end of the first capacitor, the fourth end of the first rectifier and the ground terminal.

[0016] As a further solution of the present invention: The energy-saving mode control module includes a first resistor, a second resistor, a first energy-saving switch, a fourth switch transistor, a first power transistor, a first voltage regulator and a second capacitor;

[0017] Preferably, the source of the first power transistor is connected to the first end of the first capacitor and is connected to the gate of the first power transistor, one end of the second resistor, and the collector of the fourth switching transistor through the first resistor. The other end of the second resistor is connected to the moving end of the first energy-saving switch. The static end of the first energy-saving switch is connected to the base of the fourth switching transistor. The drain of the first power transistor is connected to the third end of the first voltage regulator. The first end of the first voltage regulator is connected to the first end of the second capacitor. The emitter of the fourth switching transistor is connected to the second end of the first voltage regulator and the second end of the second capacitor, both of which are grounded.

[0018] As a further aspect of the present invention: The human body sensing module includes a first probe, a third capacitor, a third resistor, a first switching transistor, a fourth resistor, a fourth capacitor, a fifth resistor, a fifth capacitor, a first operational amplifier, a sixth resistor, a sixth capacitor, and a seventh resistor;

[0019] Preferably, the VCC terminal of the first probe is connected to the first end of the second capacitor and is connected to one end of the third resistor and the collector of the first switching transistor through the fourth resistor. The base of the first switching transistor is connected to the other end of the third resistor and one end of the fourth capacitor and is connected to the OUT terminal of the first probe through the third capacitor. The other end of the fourth capacitor is connected to the inverting input terminal of the first operational amplifier. The non-inverting input terminal of the first operational amplifier is connected to one end of the sixth resistor and one end of the sixth capacitor and is grounded in sequence through the fifth resistor and the fifth capacitor. The output terminal of the first operational amplifier is connected to the other end of the sixth resistor and the other end of the sixth capacitor and is connected to the anode of the second diode through the seventh resistor. The cathode of the second diode is connected to the second switch control module. The emitter of the first switching transistor and the GND terminal of the first probe are both grounded.

[0020] As a further aspect of the present invention: The second switch control module includes a first thyristor, a tenth capacitor, a second switching transistor, an eighth resistor, and a second power transistor;

[0021] Preferably, one end of the first thyristor is connected to the base of the second switching transistor and the cathode of the second diode. The other end of the first thyristor is connected to the emitter of the second switching transistor and the ground terminal through the tenth capacitor. The collector of the second switching transistor is connected to the gate of the second power transistor and is connected to the drain of the second power transistor and the first end of the second capacitor through the eighth resistor. The source of the second power transistor is connected to the delay control module. The control terminal of the first thyristor is connected to the delay trigger module.

[0022] As a further aspect of the present invention: The delay control module includes an eighth capacitor, a first diode, an eleventh resistor, a ninth capacitor, and a first timer;

[0023] Preferably, one end of the eighth capacitor is connected to the source electrode of the second power transistor, the fourth terminal and the eighth terminal of the first timer, and the other end of the eighth capacitor is connected to the cathode of the first diode, one end of the eleventh resistor, the second terminal and the sixth terminal of the first timer. The first terminal of the first timer is connected to the other end of the eleventh resistor, the anode of the first diode and the ground terminal. The fifth terminal of the first timer is grounded through the ninth capacitor, and the third terminal of the first timer is connected to the base electrode of the third switching transistor.

[0024] As a further solution of the present invention: the delay trigger module includes a fourth diode, a ninth resistor, a third diode and a first logic chip;

[0025] Preferably, the anode of the fourth diode is connected to the base electrode of the third switching transistor, the cathode of the fourth diode is connected to the cathode of the third diode and the B terminal of the first logic chip, the A terminal of the first logic chip is connected to the first terminal of the second capacitor through the ninth resistor, and the Y terminal of the first logic chip is connected to the anode of the third diode and the control terminal of the first thyristor.

[0026] Compared with the prior art, the beneficial effects of the present invention are as follows: the energy-saving control starting circuit of the electrical equipment of the present invention can transmit the electric energy provided by the power supply module to the electrical equipment module through the first switch control module, and when energy-saving control is required, the energy-saving mode control module supplies power in an energy-saving manner. The human body sensing module cooperates with the second switch control module and the delay control module to control the first switch control module to cut off the power supply in an energy-saving manner when no human body is sensed within a period of time, stop supplying power to the electrical equipment module, and when the delay trigger module continuously senses a human body within a period of time, control the second switch control module to stop working, and then control the first switch control module to supply power again, automatically supply power to the electrical equipment module, realize energy-saving power supply, reduce the frequency of self-starting and self-closing, and improve the service life of the circuit. Description of the Drawings

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments of the present invention will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0028] Figure 1 It is a schematic block diagram of the principle of an energy-saving control starting circuit for an electrical equipment provided by an embodiment of the present invention.

[0029] Figure 2 It is a circuit diagram of an energy-saving control starting circuit for an electrical equipment provided by an embodiment of the present invention.

[0030] Figure 3The connection circuit diagram of the delay control module provided by the embodiment of the present utility model. Specific embodiments

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying 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 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 shall fall within the protection scope of the present utility model.

[0032] In one embodiment, please refer to Figure 1 , an energy-saving control start circuit for an electrical equipment, including: a power supply module 1, an energy-saving mode control module 2, a human body sensing module 3, a second switch control module 4, a delay control module 5, a delay trigger module 6, a first switch control module 7, and an electrical equipment module 8;

[0033] Specifically, the power supply module 1 is used to access the mains power, step down, rectify, and filter the mains power and output the first electric energy;

[0034] The energy-saving mode control module 2 is connected to the power supply module 1 and is used to receive the first electric energy and, when energy-saving control is required, perform voltage stabilization processing on the first electric energy and output the second electric energy;

[0035] The human body sensing module 3 is connected to the energy-saving mode control module 2 and is used to receive the second electric energy and sense the human pyroelectricity. When the human pyroelectricity is sensed, a first control signal is output;

[0036] The second switch control module 4 is connected to the energy-saving mode control module 2, the delay control module 5, the delay trigger module 6, and the human body sensing module 3, and is used to transmit the second electric energy to the delay control module 5, stop transmitting the second electric energy when receiving the first control signal, transmit the second electric energy to the delay control module 5 and start timing work when receiving the third control signal output by the delay trigger module 6, and stop transmitting the second electric energy after the timing ends;

[0037] The delay control module 5 is used to start timing work and periodically output a second control signal in a low level state when receiving the second electric energy transmitted by the second switch control module 4, and output a second control signal in a high level state after the timing ends;

[0038] The delay trigger module 6 is connected to the delay control module 5 and the energy-saving mode control module 2, and is used to receive the second electric energy and output a third control signal when receiving the second control signal in a high level state;

[0039] The first switch control module 7, connected to the power supply module 1, the electrical equipment module 8 and the delay control module 5, is configured to transmit the first electric energy to the electrical equipment module 8 when receiving the second control signal in the low level state, and stop transmitting the first electric energy when receiving the second control signal in the high level state;

[0040] The electrical equipment module 8 is configured to filter the first electric energy transmitted by the first switch control module 7 and supply power to the connected electrical equipment.

[0041] In a specific embodiment, the above-mentioned power supply module 1 can adopt a power supply circuit composed of a mains interface, a transformer, a rectifier and a capacitor, which can access mains electric energy and perform step-down, rectification and filtering processing on the mains electric energy; the above-mentioned energy-saving mode control module 2 can adopt an energy-saving mode control circuit composed of resistors, field effect transistors, triodes, voltage regulators, etc., which can manually control the transmission of electric energy and perform voltage stabilization and filtering processing on the transmitted electric energy; the above-mentioned human body sensing module 3 can adopt a human body pyroelectric probe, a capacitor, a triode, an operational amplifier, etc. to form a human body sensing circuit, which can sense human body pyroelectricity and output it in the form of an electric signal, and perform signal amplification and filtering processing on the output signal; the above-mentioned second switch control module 4 can adopt a second switch control circuit composed of triodes, field effect transistors, thyristors, capacitors, etc., which can control the transmission state of electric energy, perform timing work, and perform power-off control at a fixed time; the above-mentioned delay control module 5 can adopt a delay control circuit composed of a 555 integrated chip, a capacitor, a resistor, etc. When powered on, it starts timing work and outputs a signal in the low level state at a fixed time. After the timing ends, it continuously outputs a signal in the high level state; the above-mentioned delay trigger module 6 can adopt a delay trigger circuit composed of a logic chip, a diode and a resistor, which can control the second switch control module 4 to start timing work after the delay control module 5 outputs a signal in the high level state; the above-mentioned first switch control module 7 can adopt a first switch control circuit composed of a field effect transistor, a triode and a resistor to control the transmission state of electric energy; the above-mentioned electrical equipment module 8 can adopt an electrical equipment circuit composed of a capacitor and an electrical equipment interface to perform electric energy filtering and supply power to the connected electrical equipment.

[0042] In another embodiment, please refer to Figure 1 、 Figure 2 and Figure 3 The power supply module 1 includes a mains interface, a first transformer B1, a first rectifier T1 and a first capacitor C1; the first switch control module 7 includes a tenth resistor R10, a third power transistor Q3 and a third switch tube V3; the electrical equipment module 8 includes a seventh capacitor C7 and an electrical equipment interface;

[0043] Specifically, the first end and the second end of the mains 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 first end of the first capacitor C1 and the drain of the third power transistor Q3, and is connected to the gate of the third power transistor Q3 and the collector of the third switching transistor V3 through the tenth resistor R10. The source of the third power transistor Q3 is connected to the first end of the electrical equipment interface and one end of the seventh capacitor C7. The base of the third switching transistor V3 is connected to the delay control module 5. The emitter of the third switching transistor V3 is connected to the other end of the seventh capacitor C7, the second end of the electrical equipment interface, the second end of the first capacitor C1, the fourth end of the first rectifier T1, and the ground terminal.

[0044] In a specific embodiment, the above-mentioned third power transistor Q3 can be an N-channel field effect transistor, which is triggered to conduct by the tenth resistor R10; the above-mentioned third switching transistor V3 can be an NPN-type triode.

[0045] Further, the energy-saving mode control module 2 includes a first resistor R1, a second resistor R2, a first energy-saving switch K1, a fourth switching transistor V4, a first power transistor Q1, a first voltage regulator IC1, and a second capacitor C2;

[0046] Specifically, the source of the first power transistor Q1 is connected to the first end of the first capacitor C1 and is connected to the gate of the first power transistor Q1, one end of the second resistor R2, and the collector of the fourth switching transistor V4 through the first resistor R1. The other end of the second resistor R2 is connected to the moving end of the first energy-saving switch K1. The static end of the first energy-saving switch K1 is connected to the base of the fourth switching transistor V4. The drain of the first power transistor Q1 is connected to the third end of the first voltage regulator IC1. The first end of the first voltage regulator IC1 is connected to the first end of the second capacitor C2. The emitter of the fourth switching transistor V4 is connected to the second end of the first voltage regulator IC1 and the second end of the second capacitor C2, both of which are grounded.

[0047] In a specific embodiment, the above-mentioned first power transistor Q1 can be a P-channel field effect transistor, which is triggered to cut off by the first resistor R1; the above-mentioned fourth switching transistor V4 can be an NPN-type triode; the above-mentioned first energy-saving switch K1 can be a single-pole single-throw normally open switch; the above-mentioned first voltage regulator IC1 can be a 7812 voltage regulator.

[0048] Further, the human body sensing module 3 includes a first probe IC2, a third capacitor C3, a third resistor R3, a first switching transistor V1, a fourth resistor R4, a fourth capacitor C4, a fifth resistor R5, a fifth capacitor C5, a first operational amplifier OP1, a sixth resistor R6, a sixth capacitor C6, and a seventh resistor R7;

[0049] Specifically, the VCC terminal of the first probe IC2 is connected to the first end of the second capacitor C2 and is connected to one end of the third resistor R3 and the collector of the first switching transistor V1 through the fourth resistor R4. The base of the first switching transistor V1 is connected to the other end of the third resistor R3 and one end of the fourth capacitor C4 and is connected to the OUT terminal of the first probe IC2 through the third capacitor C3. The other end of the fourth capacitor C4 is connected to the inverting terminal of the first operational amplifier OP1. The non-inverting terminal of the first operational amplifier OP1 is connected to one end of the sixth resistor R6 and one end of the sixth capacitor C6 and is grounded successively through the fifth resistor R5 and the fifth capacitor C5. The output terminal of the first operational amplifier OP1 is connected to the other end of the sixth resistor R6 and the other end of the sixth capacitor C6 and is connected to the anode of the second diode through the seventh resistor R7. The cathode of the second diode is connected to the second switch control module 4. The emitter of the first switching transistor V1 and the GND terminal of the first probe IC2 are both grounded.

[0050] In a specific embodiment, the above-mentioned first probe IC2 can be selected as the HC-SR501 chip; the above-mentioned first switching transistor V1 can be selected as an NPN-type triode; the above-mentioned first operational amplifier OP1 can be selected as the OP07 operational amplifier.

[0051] Further, the second switch control module 4 includes a first thyristor S1, a tenth capacitor C10, a second switching transistor V2, an eighth resistor R8, and a second power transistor Q2;

[0052] Specifically, one end of the first thyristor S1 is connected to the base of the second switching transistor V2 and the cathode of the second diode. The other end of the first thyristor S1 is connected to the emitter of the second switching transistor V2 and the ground terminal through the tenth capacitor C10. The collector of the second switching transistor V2 is connected to the gate of the second power transistor Q2 and is connected to the drain of the second power transistor Q2 and the first end of the second capacitor C2 through the eighth resistor R8. The source of the second power transistor Q2 is connected to the delay control module 5. The control terminal of the first thyristor S1 is connected to the delay trigger module 6.

[0053] In a specific embodiment, the above-mentioned first thyristor S1 can be selected as a bidirectional thyristor; the above-mentioned second switching transistor V2 can be selected as an NPN-type triode; the above-mentioned second power transistor Q2 can be selected as an N-channel field effect transistor.

[0054] Further, the delay control module 5 includes an eighth capacitor C8, a first diode D1, an eleventh resistor R11, a ninth capacitor C9, and a first timer IC3;

[0055] Specifically, one end of the eighth capacitor C8 is connected to the source electrode of the second power transistor Q2, the fourth terminal and the eighth terminal of the first timer IC3. The other end of the eighth capacitor C8 is connected to the cathode of the first diode D1, one end of the eleventh resistor R11, the second terminal and the sixth terminal of the first timer IC3. The first terminal of the first timer IC3 is connected to the other end of the eleventh resistor R11, the anode of the first diode D1 and the ground terminal. The fifth terminal of the first timer IC3 is grounded through the ninth capacitor C9. The third terminal of the first timer IC3 is connected to the base of the third switching transistor V3.

[0056] In a specific embodiment, the above-mentioned first timer IC3 can be selected as the NE555 chip. Cooperating with the eighth capacitor C8, the first diode D1, the eleventh resistor R11 and the ninth capacitor C9, it can output a signal in a low-level state regularly when powered on, and continuously output a signal in a high-level state after the timing ends.

[0057] Furthermore, the delay trigger module 6 includes a fourth diode D4, a ninth resistor R9, a third diode D3 and a first logic chip J1;

[0058] Specifically, the anode of the fourth diode D4 is connected to the base of the third switching transistor V3. The cathode of the fourth diode D4 is connected to the cathode of the third diode D3 and the B terminal of the first logic chip J1. The A terminal of the first logic chip J1 is connected to the first terminal of the second capacitor C2 through the ninth resistor R9. The Y terminal of the first logic chip J1 is connected to the anode of the third diode D3 and the control terminal of the first thyristor S1.

[0059] In a specific embodiment, the above-mentioned first logic chip J1 can be selected as an AND gate chip, and cooperate with the ninth resistor R9, the third diode D3 and the fourth diode D4 for high-level self-locking.

[0060] In the energy-saving control starting circuit of an electrical equipment in this embodiment, mains power is accessed through the mains interface. The first transformer B1, the first rectifier T1, and the first capacitor C1 perform step-down, rectification, and filtering processes. The third power transistor Q3 is triggered and conducted by the tenth resistor R10 to supply power to the electrical equipment module 8. When energy-saving control is required, the first energy-saving switch K1 is pressed, the fourth switching transistor V4 is conducted, the first power transistor Q1 is conducted, the first voltage regulator IC1 and the second capacitor C2 perform voltage regulation and filtering on the processed electrical energy. The first probe IC2 performs pyroelectric induction of the human body, and through the first switching transistor V1 and the first operational amplifier OP1, in cooperation with the third capacitor C3, the third resistor R3, the fourth resistor R4, the fourth capacitor C4, the fifth resistor R5, the fifth capacitor C5, the sixth resistor R6, the sixth capacitor C6, and the seventh resistor R7, amplifies and filters the signal output by the first probe IC2, and then triggers the second switching transistor V2 to conduct, and the second power transistor Q2 is cut off. If the first probe IC2 does not detect the pyroelectricity of the human body, the second power transistor Q2 will be triggered and conducted by the eighth resistor R8, the first timer IC3 is powered on, and starts timing work in cooperation with the eighth capacitor C8, the first diode D1, the eleventh resistor R11, and the ninth capacitor C9. During the timing period, if the first probe IC2 does not detect the pyroelectricity of the human body, it will cause the first timer IC3 to output a signal in a high-level state after the timing ends, triggering the third switching transistor V3 to conduct. The first logic chip J1, in cooperation with the third diode D3, the fourth diode D4, and the ninth resistor R9, performs self-locking on the high-level state signal output by the first timer IC3. The Y terminal of the first logic chip J1 triggers the first thyristor S1 to conduct, and the tenth capacitor C10 is connected and stores the signal output by the second diode, so that when the first probe IC2 detects the pyroelectricity of the human body in a short time, it cannot trigger the second switching transistor V2 to conduct. Until the electrical energy stored in the tenth capacitor C10 can trigger the second switching transistor V2 to conduct, the second switching transistor V2 conducts, the second power transistor Q2 is cut off, the first timer IC3 stops working, outputs a low-level signal, and the third power transistor Q3 conducts again to supply power to the electrical equipment connected to the electrical equipment interface.

[0061] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention 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 included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0062] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment contains only an independent technical solution. This narrative manner 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 energy-saving control starting circuit for an electrical equipment, characterized in that the energy-saving control starting circuit for the electrical equipment includes: a power supply module, an energy-saving mode control module, a human body sensing module, a second switch control module, a delay control module, a delay trigger module, a first switch control module and an electrical equipment module; the power supply module is used to access the mains power, step down, rectify and filter the mains power and output the first electric energy; the energy-saving mode control module is connected to the power supply module and is used to receive the first electric energy and, when energy-saving control is required, stabilize the voltage of the first electric energy and output the second electric energy; the human body sensing module is connected to the energy-saving mode control module and is used to receive the second electric energy and sense the human pyroelectricity. When the human pyroelectricity is sensed, a first control signal is output; the second switch control module is connected to the energy-saving mode control module, the delay control module, the delay trigger module and the human body sensing module and is used to transmit the second electric energy to the delay control module, stop transmitting the second electric energy when receiving the first control signal, transmit the second electric energy to the delay control module and start timing work when receiving the third control signal output by the delay trigger module, and stop transmitting the second electric energy after the timing ends; the delay control module is used to start timing work and periodically output a second control signal in a low level state when receiving the second electric energy transmitted by the second switch control module, and output a second control signal in a high level state after the timing ends; the delay trigger module is connected to the delay control module and the energy-saving mode control module and is used to receive the second electric energy and output a third control signal when receiving the second control signal in a high level state; the first switch control module is connected to the power supply module, the electrical equipment module and the delay control module and is used to transmit the first electric energy to the electrical equipment module when receiving the second control signal in a low level state, and stop transmitting the first electric energy when receiving the second control signal in a high level state; the electrical equipment module is used to filter the first electric energy transmitted by the first switch control module and supply power to the connected electrical equipment.

2. The energy-saving control starting circuit of an electrical device according to claim 1, characterized in that, The power supply module includes a mains interface, a first transformer, a first rectifier and a first capacitor; the first switch control module includes a tenth resistor, a third power transistor and a third switch transistor; the electrical equipment module includes a seventh capacitor and an electrical equipment interface; The first end and the second end of the mains 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 first end of the first capacitor and the drain of the third power transistor and is connected to the gate of the third power transistor and the collector of the third switch transistor through the tenth resistor. The source of the third power transistor is connected to the first end of the electrical equipment interface and one end of the seventh capacitor. The base of the third switch transistor is connected to the delay control module. The emitter of the third switch transistor is connected to the other end of the seventh capacitor, the second end of the electrical equipment interface, the second end of the first capacitor, the fourth end of the first rectifier and the ground terminal.

3. The energy-saving control starting circuit of an electrical device according to claim 2, characterized in that, The energy-saving mode control module includes a first resistor, a second resistor, a first energy-saving switch, a fourth switching transistor, a first power transistor, a first voltage regulator, and a second capacitor; The source electrode of the first power transistor is connected to the first end of the first capacitor and connected to the gate electrode of the first power transistor, one end of the second resistor, and the collector of the fourth switching transistor through the first resistor. The other end of the second resistor is connected to the moving end of the first energy-saving switch. The static end of the first energy-saving switch is connected to the base of the fourth switching transistor. The drain electrode of the first power transistor is connected to the third end of the first voltage regulator. The first end of the first voltage regulator is connected to the first end of the second capacitor. The emitter of the fourth switching transistor is connected to the second end of the first voltage regulator and the second end of the second capacitor, both of which are grounded.

4. The energy-saving control starting circuit of an electrical device according to claim 3, characterized in that, The human body sensing module includes a first probe, a third capacitor, a third resistor, a first switching transistor, a fourth resistor, a fourth capacitor, a fifth resistor, a fifth capacitor, a first operational amplifier, a sixth resistor, a sixth capacitor, and a seventh resistor; The VCC terminal of the first probe is connected to the first end of the second capacitor and connected to one end of the third resistor and the collector of the first switching transistor through the fourth resistor. The base of the first switching transistor is connected to the other end of the third resistor and one end of the fourth capacitor and connected to the OUT terminal of the first probe through the third capacitor. The other end of the fourth capacitor is connected to the inverting terminal of the first operational amplifier. The non-inverting terminal of the first operational amplifier is connected to one end of the sixth resistor and one end of the sixth capacitor and grounded successively through the fifth resistor and the fifth capacitor. The output terminal of the first operational amplifier is connected to the other end of the sixth resistor and the other end of the sixth capacitor and connected to the anode of the second diode through the seventh resistor. The cathode of the second diode is connected to the second switch control module. The emitter of the first switching transistor and the GND terminal of the first probe are both grounded.

5. The energy-saving control starting circuit of an electrical device according to claim 4, characterized in that, The second switch control module includes a first thyristor, a tenth capacitor, a second switching transistor, an eighth resistor, and a second power transistor; One end of the first thyristor is connected to the base of the second switching transistor and the cathode of the second diode. The other end of the first thyristor is connected to the emitter of the second switching transistor and the ground terminal through the tenth capacitor. The collector of the second switching transistor is connected to the gate of the second power transistor and connected to the drain of the second power transistor and the first end of the second capacitor through the eighth resistor. The source of the second power transistor is connected to the delay control module. The control terminal of the first thyristor is connected to the delay trigger module.

6. The energy-saving control starting circuit of an electrical device according to claim 5, characterized in that, The delay control module includes an eighth capacitor, a first diode, an eleventh resistor, a ninth capacitor, and a first timer; One end of the eighth capacitor is connected to the source of the second power transistor, the fourth terminal, and the eighth terminal of the first timer. The other end of the eighth capacitor is connected to the cathode of the first diode, one end of the eleventh resistor, the second terminal, and the sixth terminal of the first timer. The first terminal of the first timer is connected to the other end of the eleventh resistor, the anode of the first diode, and the ground terminal. The fifth terminal of the first timer is grounded through the ninth capacitor. The third terminal of the first timer is connected to the base of the third switching transistor.

7. The energy-saving control starting circuit of an electrical device according to claim 5, characterized in that, The delay trigger module includes a fourth diode, a ninth resistor, a third diode, and a first logic chip; The anode of the fourth diode is connected to the base of the third switching transistor, the cathode of the fourth diode is connected to the cathode of the third diode and the B terminal of the first logic chip, the A terminal of the first logic chip is connected to the first terminal of the second capacitor through the ninth resistor, and the Y terminal of the first logic chip is connected to the anode of the third diode and the control terminal of the first thyristor.

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