LED landscape lighting lamp circuit
By sensing ambient light and human presence through light control and pyroelectric sensors, and combining this with delay control to adjust the brightness of LED landscape lighting, the problem of unadjustable brightness in existing technologies has been solved. This achieves intelligent energy utilization and brightness adjustment, reducing energy waste.
Patent Information
- Application Number
- CN202422137755.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-09-02
AI Technical Summary
Existing LED landscape lighting cannot automatically adjust its brightness according to pedestrian activity, resulting in low intelligence and energy waste.
The system uses a light control module to detect ambient light intensity, combined with a human body pyroelectric module to sense human body pyroelectricity, and adjusts the power of the lighting driver module through a delay control module and a brightness adjustment module to achieve automatic brightness adjustment of the LED landscape lighting.
It improves the intelligence of LED landscape lighting control, reduces power consumption, meets landscape lighting needs, and increases the lighting brightness when a human body is detected, and restores low brightness after a delay when no human body is detected.
Smart Images
Figure CN223567823U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of lighting lamp, concretely is a LED landscape lighting lamp circuit. BACKGROUND
[0002] The LED landscape lighting lamp can not only guide the route at night, but also can form the virtual and solid relationship with the surrounding landscape, enrich the lighting device of the landscape level at night, the existing LED landscape lighting lamp generally adopts the constant current driving device when the lighting state, keeps constant current power supply work, then keeps the fixed illumination brightness, cannot according to the state of pedestrian, automatically adjusts the illumination brightness, and the intelligence is lower, and cannot reasonably carry out the electric energy utilization, leads to the energy waste condition, therefore needs improvement. SUMMARY
[0003] The utility model embodiment provides a LED landscape lighting lamp circuit to solve the problem in above -mentioned background art.
[0004] To achieve the above object, the utility model provides the following technical scheme:
[0005] A kind of LED landscape lighting lamp circuit, comprising: power module, light control module, human body pyroelectricity module, delay control module, brightness adjustment module, illumination driving module and LED landscape lighting lamp module;
[0006] Power module is used to connect AC power, AC power is stepped down and rectified and filtered and first electric energy is outputted;
[0007] Light control module is connected with the power module, human body pyroelectricity module, delay control module, brightness adjustment module, illumination driving module and LED landscape lighting lamp module, for the brightness detection of ambient light and when the brightness of detected ambient light is lower than a certain value, first electric energy received is transmitted to human body pyroelectricity module, delay control module, brightness adjustment module, illumination driving module and LED landscape lighting lamp module;
[0008] Human body pyroelectricity module is used to receive first electric energy and induct human body pyroelectricity, when inducting human body pyroelectricity, first control signal is outputted;
[0009] Delay control module is connected with the human body pyroelectricity module, for receiving first electric energy and when receiving first control signal, second control signal is outputted with delay;
[0010] Brightness adjustment module is connected with the delay control module, for receiving first electric energy and providing first voltage signal, when receiving second control signal, second voltage signal is outputted and the electric energy power outputted by illumination driving module is adjusted;
[0011] The illumination driving module is connected with the brightness adjusting module, and is used for performing constant current and voltage stabilization processing on the input first electric energy and outputting second electric energy when the first electric energy and the first voltage signal are received, and performing constant current and voltage stabilization processing on the input first electric energy and outputting third electric energy when the first electric energy and the second voltage signal are received.
[0012] The LED landscape illumination lamp module is connected with the illumination driving module, and is used for receiving the second electric energy or the third electric energy and performing landscape illumination work.
[0013] As a further scheme of the utility model: the power module includes a power interface, a first transformer, a first rectifier and a first capacitor; the light control module includes a first light-dependent resistor, a fourteenth resistor, a second switch tube, a thirteenth resistor, a second power tube, a seventh resistor and a third diode;
[0014] Preferably, the first end and the second end of the power interface are connected with the first end and the second end of the primary side of the first transformer respectively, the first end and the second end of the secondary side of the first transformer are connected with the first end and the second end of the first rectifier respectively, the third end of the first rectifier is connected with one end of the first capacitor, one end of the first light-dependent resistor and the source electrode of the second power tube and is connected with the gate electrode of the second power tube and the emitter electrode of the second switch tube through the thirteenth resistor, the base electrode of the second switch tube is connected with the other end of the first light-dependent resistor and is connected with the collector electrode of the second switch tube, the other end of the first capacitor, the fourth end of the first rectifier and the ground end through the fourteenth resistor, the drain electrode of the second power tube is connected with the first end of the seventh resistor, the second end of the seventh resistor is connected with the cathode of the third diode, the human body pyroelectric module and the delay control module, and the anode of the third diode is grounded.
[0015] As a further scheme of the utility model: the brightness adjusting module includes a first resistor, a second capacitor, a first diode, a second resistor, a third resistor, a fourth resistor and a first power tube;
[0016] Preferably, the first end of the first resistor is connected with the drain electrode of the second power tube, the second end of the first resistor is connected with the cathode of the first diode, one end of the second capacitor, one end of the second resistor, one end of the fourth resistor and the illumination driving module, the other end of the fourth resistor is connected with the drain electrode of the first power tube, the source electrode of the first power tube is connected with the other end of the second resistor and is connected with the anode of the first diode, the other end of the second capacitor and the ground end through the third resistor, and the gate electrode of the first power tube is connected with the delay control module.
[0017] As a further scheme of the utility model: the illumination driving module includes a first driver, a fifth resistor, a sixth resistor, a third power tube, a second diode, a second inductor and a third capacitor; the LED landscape illumination lamp module includes an LED landscape illumination lamp;
[0018] Preferably, the eighth end and the sixth end of the first driver are connected to the second end of the first resistor, the first end of the first driver is connected to the source of the first power tube, the seventh end and the fourth end of the first driver are grounded, the second end of the first driver is grounded through the fifth resistor, the fifth end of the first driver is connected to the gate of the third power tube, the third end of the first driver is connected to the source of the third power tube and is grounded through the sixth resistor, the drain of the third power tube is connected to the anode of the second diode and is connected to one end of the third capacitor and one end of the LED landscape lighting lamp through the second inductor, the cathode of the second diode is connected to the other end of the third capacitor, the other end of the LED landscape lighting lamp and the drain of the second power tube.
[0019] As a further scheme of the utility model: the human body pyroelectric module includes a pyroelectric sensor, a first switch tube, an eighth resistor, a ninth resistor, a fourth capacitor, a first controller, a tenth resistor and a fifth capacitor;
[0020] Preferably, the power end of the pyroelectric sensor is connected to the second end of the seventh resistor, one end of the eighth resistor, the fourth end and the eighth end of the first controller and is connected to one end of the fourth capacitor, the sixth end and the seventh end of the first controller through the ninth resistor, the other end of the eighth resistor is connected to the second end of the first controller and the collector of the first switch tube, the fifth end of the first controller is grounded through the fifth capacitor, the first end of the first controller, the other end of the fourth capacitor, the emitter of the first switch tube and the grounding end of the pyroelectric sensor are all grounded, the output end of the pyroelectric sensor is connected to the base of the first switch tube, the third end of the first controller is connected to the first end of the tenth resistor, and the second end of the tenth resistor is connected to the delay control module.
[0021] As a further scheme of the utility model: the delay control module includes a third switch tube, an eleventh resistor, a sixth capacitor and a twelfth resistor;
[0022] Preferably, the base of the third switch tube is connected to the second end of the tenth resistor, the emitter of the third switch tube is connected to the second end of the seventh resistor, the collector of the third switch tube is connected to one end of the eleventh resistor and one end of the sixth capacitor and is connected to the gate of the first power tube through the twelfth resistor, the other end of the eleventh resistor and the other end of the sixth capacitor are both grounded.
[0023] Compared with the prior art, the LED landscape lighting lamp circuit of the utility model has the advantages that: the utility model LED landscape lighting lamp circuit detects the illumination of ambient light by the light control module, and when the ambient light is dark, the power provided by the power supply module is transmitted, the low-brightness lighting work of the LED landscape lighting lamp module is controlled by the lighting drive module in cooperation with the brightness adjusting module, the power loss is reduced and the landscape lighting demand is met, meanwhile, the human body pyroelectricity is inducted by the human body pyroelectricity module, when the human body is inducted, the voltage output by the brightness adjusting module is controlled by the time delay control module, then the power output by the lighting drive module is increased, the high-brightness lighting work of the LED landscape lighting lamp module is realized, and after the human body is not detected, the low-brightness lighting is restored by time delay, the control intelligent degree of the landscape lighting lamp is improved. BRIEF DESCRIPTION OF DRAWINGS
[0024] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the following description of the embodiments of the utility model will be briefly introduced, obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to these drawings without creative labor.
[0025] Figure 1 A principle block diagram of the LED landscape lighting lamp circuit provided for the utility model example.
[0026] Figure 2 A circuit diagram of the LED landscape lighting lamp circuit provided for the utility model example.
[0027] Figure 3 A connection circuit diagram of the time delay control module provided for the utility model example. DETAILED DESCRIPTION
[0028] The technical scheme in the embodiments of the utility model will be clearly and completely described in the following with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0029] In one embodiment, please refer to Figure 1 An LED landscape lighting lamp circuit, comprising: a power supply module 1, a light control module 2, a human body pyroelectricity module 3, a time delay control module 4, a brightness adjusting module 5, a lighting drive module 6 and an LED landscape lighting lamp module 7;
[0030] Specifically, the power supply module 1 is used for connecting the alternating current energy, carrying out the step-down and rectification filtering processing to the alternating current energy and outputting the first electric energy.
[0031] The light control module 2 is connected with the power module 1, the human body pyroelectric module 3, the time delay control module 4, the brightness adjustment module 5, the lighting drive module 6 and the LED landscape lighting lamp module 7, and is used for detecting the brightness of ambient light and transmitting the received first electric energy to the human body pyroelectric module 3, the time delay control module 4, the brightness adjustment module 5, the lighting drive module 6 and the LED landscape lighting lamp module 7 when the brightness of the detected ambient light is lower than a certain value.
[0032] The human body pyroelectric module 3 is used for receiving the first electric energy and sensing the human body pyroelectricity, and outputting a first control signal when the human body pyroelectricity is sensed.
[0033] The time delay control module 4 is connected with the human body pyroelectric module 3, and is used for receiving the first electric energy and outputting a second control signal after a time delay when the first control signal is received.
[0034] The brightness adjustment module 5 is connected with the time delay control module 4, and is used for receiving the first electric energy and providing a first voltage signal, outputting a second voltage signal and adjusting the electric energy power output by the lighting drive module 6 when the second control signal is received.
[0035] The lighting drive module 6 is connected with the brightness adjustment module 5, and is used for performing constant current voltage stabilization processing on the input first electric energy and outputting second electric energy when the first electric energy and the first voltage signal are received, and performing constant current voltage stabilization processing on the input first electric energy and outputting third electric energy when the first electric energy and the second voltage signal are received.
[0036] The LED landscape lighting lamp module 7 is connected with the lighting drive module 6, and is used for receiving the second electric energy or the third electric energy and performing landscape lighting work.
[0037] In specific embodiments, the power module 1 can adopt a power circuit composed of a power interface, a transformer, a rectifier and a capacitor, can access AC power and perform voltage reduction and rectification filtering processing on the AC power; the light control module 2 can adopt a light control circuit composed of a photoresistor, a triode, a field effect tube and the like, detects the illumination degree of ambient light and controls the transmission of electric energy when the ambient light is dark, i.e. lower than a certain illumination brightness; the human body pyroelectric module 3 can adopt a human body pyroelectric module 3 composed of a pyroelectric sensor, a triode, a 555 controller and the like, senses human body pyroelectricity and outputs a high-level signal after sensing human body pyroelectricity; the delay control module 4 can adopt a delay control circuit composed of a triode, an energy storage capacitor and a resistor, can store electric energy through the energy storage capacitor and then output a high-level signal in a delayed manner; the brightness adjustment module 5 can adopt a brightness adjustment module 5 composed of a resistor, a diode, a power tube and a capacitor, can perform voltage regulation and adjustment on the electric energy output by the light control module 2 and provide a voltage signal for the lighting driving module 6 to control the linear brightness adjustment of the lighting driving module 6, and when the high-level signal output by the delay control module 4, can adjust the voltage value of the voltage signal and then adjust the electric energy power output by the lighting driving module 6; the lighting driving module 6 can adopt a lighting driving circuit composed of a driver, a resistor, a field effect tube and the like, can perform constant current voltage regulation processing on the input electric energy; the LED landscape lighting lamp module 7 can adopt an LED landscape lighting lamp circuit composed of an LED landscape lighting lamp, can perform lighting work and adjust the lighting brightness according to the input electric energy power size.
[0038] In another embodiment, please refer to Figure 1 , Figure 2 and Figure 3 , the power module 1 includes a power interface, a first transformer B1, a first rectifier T1 and a first capacitor C1; the light control module 2 includes a first photoresistor RG, a thirteenth resistor R14, a second switch tube V2, a thirteenth resistor R13, a second power tube Q2, a seventh resistor R7 and a third diode D3;
[0039] Specifically, the first end and the second end of the power interface are connected to the first end and the second end of the primary side of the first transformer B1 respectively, the first end and the second end of the secondary side of the first transformer B1 are connected to the first end and the second end of the first rectifier T1 respectively, the third end of the first rectifier T1 is connected to one end of the first capacitor C1, one end of the first photoresistor RG and the source of the second power tube Q2 and is connected to the gate of the second power tube Q2 and the emitter of the second switch tube V2 through the thirteenth resistor R13, the base of the second switch tube V2 is connected to the other end of the first photoresistor RG and is connected to the collector of the second switch tube V2, the other end of the first capacitor C1, the fourth end of the first rectifier T1 and the ground end through the fourteenth resistor R14, the drain of the second power tube Q2 is connected to the first end of the seventh resistor R7, the second end of the seventh resistor R7 is connected to the cathode of the third diode D3, the human body pyroelectric module 3 and the delay control module 4, and the anode of the third diode D3 is grounded.
[0040] In specific embodiments, the first photoresistor RG is in a high resistance state in the absence of light and is in a low resistance state in the presence of light, the second switch tube V2 can be a PNP type triode, and the second power tube Q2 can be a P-channel field effect tube.
[0041] Further, the brightness adjustment module 5 includes a first resistor R1, a second capacitor C2, a first diode D1, a second resistor R2, a third resistor R3, a fourth resistor R4 and a first power tube Q1.
[0042] Specifically, the first end of the first resistor R1 is connected to the drain of the second power tube Q2, the second end of the first resistor R1 is connected to the cathode of the first diode D1, one end of the second capacitor C2, one end of the second resistor R2, one end of the fourth resistor R4 and the lighting driving module 6, the other end of the fourth resistor R4 is connected to the drain of the first power tube Q1, the source of the first power tube Q1 is connected to the other end of the second resistor R2 and is connected to the anode of the first diode D1, the other end of the second capacitor C2 and the ground end through the third resistor R3, and the gate of the first power tube Q1 is connected to the delay control module 4.
[0043] In specific embodiments, the first power tube Q1 can be an N-channel field effect tube.
[0044] Further, the lighting driving module 6 includes a first driver IC1, a fifth resistor R5, a sixth resistor R6, a third power tube Q3, a second diode D2, a second inductor L2 and a third capacitor C3, and the LED landscape lighting lamp module 7 includes an LED landscape lighting lamp.
[0045] Specifically, the eighth end and the sixth end of the first driver IC1 are both connected to the second end of the first resistor R1, the first end of the first driver IC1 is connected to the source of the first power tube Q1, the seventh end and the fourth end of the first driver IC1 are both grounded, the second end of the first driver IC1 is grounded through the fifth resistor R5, the fifth end of the first driver IC1 is connected to the gate of the third power tube Q3, the third end of the first driver IC1 is connected to the source of the third power tube Q3 and grounded through the sixth resistor R6, the drain of the third power tube Q3 is connected to the anode of the second diode D2 and one end of the third capacitor C3 and one end of the LED landscape lighting lamp through the second inductor L2, the cathode of the second diode D2 is connected to the other end of the third capacitor C3, the other end of the LED landscape lighting lamp and the drain of the second power tube Q2.
[0046] In specific embodiments, the first driver IC1 described above can be selected as an XLT604 chip; the third power tube Q3 described above can be selected as an N-channel field effect tube; and the sixth resistor R6 described above is for current sampling.
[0047] Further, the pyroelectric module 3 comprises a pyroelectric sensor, a first switch tube V1, an eighth resistor R8, a ninth resistor R9, a fourth capacitor C4, a first controller IC2, a tenth resistor R10 and a fifth capacitor C5.
[0048] Specifically, the power supply end of the pyroelectric sensor is connected to the second end of the seventh resistor R7, one end of the eighth resistor R8, the fourth end and the eighth end of the first controller IC2 and connected to one end of the fourth capacitor C4, the sixth end and the seventh end of the first controller IC2 through the ninth resistor R9, the other end of the eighth resistor R8 is connected to the second end of the first controller IC2 and the collector of the first switch tube V1, the fifth end of the first controller IC2 is grounded through the fifth capacitor C5, the first end of the first controller IC2, the other end of the fourth capacitor C4, the emitter of the first switch tube V1 and the ground end of the pyroelectric sensor are all grounded, the output end of the pyroelectric sensor is connected to the base of the first switch tube V1, the third end of the first controller IC2 is connected to the first end of the tenth resistor R10, and the second end of the tenth resistor R10 is connected to the delay control module 4.
[0049] In specific embodiments, the pyroelectric sensor described above can be selected as an RDP-18 sensor; the first switch tube V1 described above can be selected as an NPN triode; and the first controller IC2 described above can be selected as an NE555 chip.
[0050] Further, the delay control module 4 comprises a third switch tube V3, an eleventh resistor R11, a sixth capacitor C6 and a twelfth resistor R12.
[0051] Specifically, the base of the third switch tube V3 is connected with the second end of the tenth resistor R10, the emitter of the third switch tube V3 is connected with the second end of the seventh resistor R7, the collector of the third switch tube V3 is connected with one end of the eleventh resistor R11 and one end of the sixth capacitor C6 and is connected with the gate of the first power tube Q1 through the twelfth resistor R12, and the other end of the eleventh resistor R11 and the other end of the sixth capacitor C6 are both grounded.
[0052] In specific embodiments, the third switch tube V3 can be an NPN type triode, and the sixth capacitor C6 can be an energy storage capacitor.
[0053] In the LED landscape lighting lamp circuit of the embodiment, AC power is accessed through the power interface, and the first transformer B1, the first rectifier T1 and the first capacitor C1 perform voltage reduction and rectification filtering processing. In a low light state, the first light-dependent resistor RG presents a high resistance state, the second switch tube V2 is turned on, the second power tube Q2 is turned on, and power is transmitted. At this time, the first driver IC1 cooperates with the voltage signals provided by the first resistor R1, the second capacitor C2, the first diode D1, the second resistor R2 and the third resistor R3 to perform constant current and voltage regulation processing on the power transmitted by the second power tube Q2, and the power is received by the LED landscape lighting lamp. At this time, the LED landscape lighting lamp performs landscape lighting in a low illumination brightness mode, and the pyroelectric sensor senses the human body pyroelectricity in the range. After sensing the human body pyroelectricity, the pyroelectric sensor controls the first switch tube V1 to be turned on, the third end of the first controller IC2 controls the third switch tube V3 to be turned on, the sixth capacitor C6 stores energy, and the first power tube Q1 is controlled to be turned on. The second resistor R2 and the fourth resistor R4 are connected in parallel, thereby increasing the voltage input to the first end of the first driver IC1, increasing the duty cycle of the five-end output signal of the first driver IC1, thereby increasing the power of the power input to the LED landscape lighting lamp, increasing the illumination brightness, and after the pyroelectric sensor does not sense the human body pyroelectricity, the sixth capacitor C6 triggers the first power tube Q1 to be turned on with a delay, and after the delay ends, the low-brightness landscape lighting work is performed again.
[0054] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0055] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.
Claims
1. A circuit for an LED landscape lighting lamp, characterized in that, The LED landscape lighting circuit includes: a power supply module, a light control module, a human body pyroelectric module, a delay control module, a brightness adjustment module, a lighting driver module, and an LED landscape lighting module. The power module is used to receive AC power, perform step-down, rectification and filtering on the AC power and output the first power. The light control module is connected to the power module, the human body pyroelectric module, the delay control module, the brightness adjustment module, the lighting drive module, and the LED landscape lighting module. It is used to detect the brightness of ambient light and, when the detected ambient light brightness is lower than a certain value, transmit the received first electrical energy to the human body pyroelectric module, the delay control module, the brightness adjustment module, the lighting drive module, and the LED landscape lighting module. The human body pyroelectric module is used to receive the first electrical energy and sense the human body pyroelectricity, and output the first control signal when the human body pyroelectricity is sensed. The delay control module is connected to the human body pyroelectric module and is used to receive the first electrical energy and, upon receiving the first control signal, delay the output of the second control signal. The brightness adjustment module is connected to the delay control module and is used to receive the first electrical energy and provide the first voltage signal. When the second control signal is received, the second voltage signal is output and the power of the electrical energy output by the lighting drive module is adjusted. The lighting driving module is connected to the brightness adjustment module and is used to perform constant current and voltage regulation on the input first electrical energy and output second electrical energy when receiving the first electrical energy and the first voltage signal, and to perform constant current and voltage regulation on the input first electrical energy and output third electrical energy when receiving the first electrical energy and the second voltage signal. The LED landscape lighting module is connected to the lighting driver module and is used to receive second or third electrical energy and perform landscape lighting work. The power module includes a power interface, a first transformer, a first rectifier, and a first capacitor; the light control module includes a first photoresistor, a fourteenth resistor, a second switching transistor, a thirteenth resistor, a second power transistor, a seventh resistor, and a third diode; The first and second ends of the power interface are respectively connected to the first and second ends of the primary side of the first transformer. The first and second ends of the secondary side of the first transformer are respectively connected to the first and second ends of the first rectifier. The third end of the first rectifier is connected to one end of the first capacitor, one end of the first photoresistor, and the source of the second power transistor. It is connected to the gate of the second power transistor and the emitter of the second switching transistor through the thirteenth resistor. The base of the second switching transistor is connected to the other end of the first photoresistor. It is connected to the collector of the second switching transistor, the other end of the first capacitor, the fourth end of the first rectifier, and the ground through the fourteenth resistor. The drain of the second power transistor is connected to the first end of the seventh resistor. The second end of the seventh resistor is connected to the cathode of the third diode, the human body pyroelectric module, and the delay control module. The anode of the third diode is grounded. The brightness adjustment module includes a first resistor, a second capacitor, a first diode, a second resistor, a third resistor, a fourth resistor, and a first power transistor; The first end of the first resistor is connected to the drain of the second power transistor. The second end of the first resistor is connected to the cathode of the first diode, one end of the second capacitor, one end of the second resistor, one end of the fourth resistor, and the lighting driving module. The other end of the fourth resistor is connected to the drain of the first power transistor. The source of the first power transistor is connected to the other end of the second resistor and is connected to the anode of the first diode, the other end of the second capacitor, and ground through the third resistor. The gate of the first power transistor is connected to the delay control module. The lighting driving module includes a first driver, a fifth resistor, a sixth resistor, a third power transistor, a second diode, a second inductor, and a third capacitor; the LED landscape lighting module includes an LED landscape lighting lamp. The eighth and sixth terminals of the first driver are both connected to the second terminal of the first resistor. The first terminal of the first driver is connected to the source of the first power transistor. The seventh and fourth terminals of the first driver are both grounded. The second terminal of the first driver is grounded through the fifth resistor. The fifth terminal of the first driver is connected to the gate of the third power transistor. The third terminal of the first driver is connected to the source of the third power transistor and grounded through the sixth resistor. The drain of the third power transistor is connected to the anode of the second diode and is connected to one end of the third capacitor and one end of the LED landscape lighting lamp through the second inductor. The cathode of the second diode is connected to the other end of the third capacitor, the other end of the LED landscape lighting lamp, and the drain of the second power transistor. The human body pyroelectric module includes a pyroelectric sensor, a first switching transistor, an eighth resistor, a ninth resistor, a fourth capacitor, a first controller, a tenth resistor, and a fifth capacitor; The power supply terminal of the pyroelectric sensor is connected to the second terminal of the seventh resistor, one terminal of the eighth resistor, the fourth and eighth terminals of the first controller, and is connected to one terminal of the fourth capacitor, the sixth and seventh terminals of the first controller through the ninth resistor. The other terminal of the eighth resistor is connected to the second terminal of the first controller and the collector of the first switching transistor. The fifth terminal of the first controller is grounded through the fifth capacitor. The first terminal of the first controller, the other terminal of the fourth capacitor, the emitter of the first switching transistor, and the ground terminal of the pyroelectric sensor are all grounded. The output terminal of the pyroelectric sensor is connected to the base of the first switching transistor. The third terminal of the first controller is connected to the first terminal of the tenth resistor, and the second terminal of the tenth resistor is connected to the delay control module.
2. The LED landscape lighting circuit according to claim 1, characterized in that, The delay control module includes a third switch, an eleventh resistor, a sixth capacitor, and a twelfth resistor; The base of the third switch is connected to the second end of the tenth resistor, the emitter of the third switch is connected to the second end of the seventh resistor, the collector of the third switch is connected to one end of the eleventh resistor and one end of the sixth capacitor and is connected to the gate of the first power transistor through the twelfth resistor, and the other end of the eleventh resistor and the other end of the sixth capacitor are both grounded.