Novel roller shutter controller circuit

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By introducing a power input circuit, CPU circuit, detection circuit, and power supply control circuit into the roller shutter controller, the problems of circuit instability and leakage in the roller shutter controller are solved, and stable, safe, and balanced operation of the roller shutter is achieved.

CN223513476UActive Publication Date: 2025-11-04TUOBA (XIAMEN) MFG CO LTD

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Patent Information

Application Number: CN202423309251.6
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-12-31
Publication Date: 2025-11-04
Estimated Expiration: 2034-12-31

AI Technical Summary

Technical Problem

Existing roller shutter controllers suffer from unstable circuit control, leakage, and safety hazards. They are also inconvenient to operate and prone to sudden acceleration or deceleration.

Method used

By employing a power input circuit, CPU circuit, detection circuit, and power supply control circuit, combined with an EMI circuit, rectifier circuit, position detection circuit, and current detection circuit, intelligent CPU control is achieved, enabling real-time detection and stable power supply, thereby reducing the risk of leakage.

Benefits of technology

It achieves stability and safety in roller shutter control, reduces the risk of leakage, and ensures balanced operation and safety of the roller shutter.

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Patent Text Reader

Abstract

The utility model relates to the technical field of roller shutter control, and discloses a novel roller shutter controller circuit. The circuit comprises a power input circuit, a CPU circuit, a detection circuit and a power supply control circuit, the power output end of the power input circuit is electrically connected with the power input ends of the CPU circuit and the power supply control circuit, and the power output end of the power supply control circuit is electrically connected with a load. The detection end of the power supply control circuit is electrically connected with the detection input end of the detection circuit, the control end of the CPU circuit is electrically connected with the control end of the power supply control circuit, and the detection end of the CPU circuit is electrically connected with the detection output end of the detection circuit. Through reasonable design of a roller shutter control technology and by adopting a power input circuit, a CPU circuit, a detection circuit and a power supply control circuit, intelligent CPU control, real-time detection of the detection circuit, reduction of potential safety hazards, control of the power supply control circuit, control stability guarantee, electric leakage weakening and the like can be realized.

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Description

Technical Field

[0001] This utility model relates to the field of roller blind control technology, specifically to a novel roller blind controller circuit. Background Technology

[0002] Roller blinds are curtains that can be raised, lowered, and rolled up by twisting or pulling, providing functions such as light blocking, wind protection, and security. Their main materials include plastic, metal, and fabric. With social development and technological advancements, controllers are used to control the raising and lowering of roller blinds. Roller blind control refers to controlling the raising, lowering, stopping, and resetting of the roller blind through various methods to achieve its functions. There are multiple methods of roller blind control, each with its specific application scenarios and advantages and disadvantages. However, existing roller blind controllers are still inconvenient to operate, difficult for people to use, and often experience electrical leakage, affecting the normal use of the roller blind. Furthermore, sudden acceleration or deceleration, uneven movement, and other phenomena can occur during use, leading to abnormal operation of the control circuit.

[0003] Therefore, existing roller shutter control technology needs further improvement to address the above issues. Utility Model Content

[0004] The purpose of this invention is to overcome the problems of unstable circuit control, frequent leakage, and safety hazards in existing roller shutter control technologies. Through a rational design of the roller shutter control technology, employing a power input circuit, CPU circuit, detection circuit, and power supply control circuit, intelligent CPU control, real-time detection by the detection circuit to reduce safety hazards, and stable control by the power supply control circuit to minimize leakage are achieved.

[0005] The specific technical solution of this utility model is as follows:

[0006] A novel roller shutter controller circuit includes: a power input circuit, a CPU circuit, a detection circuit, and a power supply control circuit. The power output terminal of the power input circuit is electrically connected to the power input terminals of the CPU circuit and the power supply control circuit, respectively. The power output terminal of the power supply control circuit is electrically connected to the load. The detection terminal of the power supply control circuit is electrically connected to the detection input terminal of the detection circuit. The control terminal of the CPU circuit is electrically connected to the control terminal of the power supply control circuit. The detection terminal of the CPU circuit is electrically connected to the detection output terminal of the detection circuit.

[0007] The power input circuit includes an EMI circuit and a rectifier circuit. The power input terminal of the EMI circuit is electrically connected to an external power source, and the power output terminal of the EMI circuit is electrically connected to the power input terminal of the rectifier circuit. The power output terminal of the rectifier circuit is electrically connected to the power input terminal of the CPU circuit and the power input terminal of the power supply control circuit, respectively.

[0008] Furthermore, the detection circuit includes a position detection circuit and a current detection circuit. The detection input terminals of the position detection circuit and the current detection circuit are respectively electrically connected to the detection terminals of the power supply control circuit, and the detection output terminals of the position detection circuit and the current detection circuit are respectively electrically connected to the detection terminals of the CPU circuit.

[0009] Furthermore, the rectifier circuit includes a rectifier filter circuit, a power regulation circuit, and a rectifier output circuit. The power input terminal of the rectifier filter circuit is electrically connected to the power output terminal of the EMI circuit, the power output terminal of the rectifier filter circuit is connected to the power input terminal of the power regulation circuit, and the power output terminal of the power regulation circuit is connected to the power input terminal of the rectifier output circuit.

[0010] Furthermore, the power regulation circuit includes a power conversion circuit, a PFC control circuit, a current sampling circuit, an LLC control circuit, an optocoupler circuit, and an output voltage sampling circuit. The power input terminal of the power conversion circuit is connected to the power output terminal of the rectifier-filter circuit. The input terminal of the PFC control circuit is connected to the output terminal of the rectifier-filter circuit. The control terminal of the PFC control circuit is connected to the control terminal of the power conversion circuit. The sampling terminal of the power conversion circuit is connected to the sampling terminal of the current sampling circuit. The output terminal of the current sampling circuit is connected to the current input terminal of the LLC control circuit. The control terminal of the LLC control circuit is connected to the control terminal of the power conversion circuit. The output terminal of the power conversion circuit is connected to the input terminal of the rectifier output circuit. The sampling terminal of the rectifier output circuit is connected to the input terminal of the output voltage sampling circuit. The output terminal of the output voltage sampling circuit is connected to the input terminal of the optocoupler circuit. The output terminal of the optocoupler circuit is connected to the voltage input terminal of the LLC control circuit.

[0011] Furthermore, the CPU circuit includes a CPU chip with the model number LPC824M201JHI33.

[0012] Further, the EMI circuit includes a power input interface D501, mutual inductor L506, capacitor C508, mutual inductor L503, capacitor C501, capacitor C504, capacitor C502, resistor R501, resistor R535, mutual inductor L501, capacitor C503, resistor R544, and fuse FU501. The power input interface D501 has terminals 1 / 2 / 3 / 4. Terminal 4 of mutual inductor L506 is connected to terminal 3 of power input interface D501. Terminal 1 of mutual inductor L506 is connected to terminal 2 of power input interface D501. Terminal 3 of mutual inductor L506 is connected to one end of capacitor C508 and terminal 4 of mutual inductor L503. Terminal 2 of mutual inductor L506 is connected to the other end of capacitor C508 and terminal 1 of mutual inductor L503. Terminal 3 of mutual inductor L503 is connected to one end of capacitor C501. Terminal "4" of mutual inductor L501 and terminal "2" of mutual inductor L503 are connected to one end of capacitor C504 and terminal "1" of mutual inductor L501. The other end of capacitor C501 and the other end of capacitor C504 are grounded together. One end of resistor R501 and one end of capacitor C502 are connected to terminal "1" of mutual inductor L501. The other end of resistor R501 is connected to one end of resistor R535. The other end of resistor R535 is connected to one end of resistor R536. The other end of resistor R536 and the other end of capacitor C502 are connected to terminal "4" of mutual inductor L501. Terminal "3" of mutual inductor L501 is connected to one end of resistor R544, one end of capacitor C503, the neutral wire of the power supply and the ZC2 interface. Terminal "2" of mutual inductor L501 is connected to the other end of resistor R544, the other end of capacitor C503 and one end of fuse FU501. The other end of fuse FU501 is connected to the ZC1 interface and the live wire of the power supply.

[0013] Furthermore, the rectifier filter circuit is selected as a π-type rectifier filter circuit.

[0014] Furthermore, the rectifier filter circuit includes capacitor C505, inductor L504 and capacitor C506. One end of capacitor C505 is connected to one end of inductor L504 and the power input interface "1" terminal, and the other end of capacitor C505 is connected to the power input interface "4" terminal. The other end of inductor L504 is connected to one end of capacitor C506 and the "HV" terminal, and the other end of capacitor C506 is connected to the power input interface "4" terminal.

[0015] Beneficial effects

[0016] This invention, through the rational design of roller shutter control technology, employs a power input circuit, a CPU circuit, a detection circuit, and a power supply control circuit. It achieves intelligent CPU control, real-time detection to reduce safety hazards, and stable control and reduced leakage current through the power supply control circuit. The use of an EMI circuit reduces electromagnetic interference; a rectifier and filter circuit ensures stable power output; current and voltage sampling allows for real-time monitoring of current and voltage conditions, stabilizing the rectified output power supply; and position and current detection enable real-time monitoring of the roller shutter's status, ensuring safe, reliable, and balanced operation. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a novel roller shutter controller circuit according to this utility model.

[0018] Figure 2 This is a schematic diagram of the power input circuit of a novel roller shutter controller circuit according to this utility model.

[0019] Figure 3 This is a schematic diagram of the power supply control circuit for a novel roller shutter controller circuit according to this utility model.

[0020] Figure 4 This is a schematic diagram of the power supply control circuit of a novel roller shutter controller circuit according to this utility model.

[0021] Figure 5 This is a schematic diagram of the CPU circuit of a novel roller shutter controller circuit according to this utility model. Detailed Implementation

[0022] 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.

[0023] See Figures 1-5 As shown, this utility model provides a novel roller shutter controller circuit, which includes: a power input circuit, a CPU circuit, a detection circuit, and a power supply control circuit. The power output terminal of the power input circuit is electrically connected to the power input terminals of the CPU circuit and the power supply control circuit, respectively. The power output terminal of the power supply control circuit is electrically connected to the load. The detection terminal of the power supply control circuit is electrically connected to the detection input terminal of the detection circuit. The control terminal of the CPU circuit is electrically connected to the control terminal of the power supply control circuit. The detection terminal of the CPU circuit is electrically connected to the detection output terminal of the detection circuit.

[0024] The power input circuit includes an EMI circuit and a rectifier circuit. The power input terminal of the EMI circuit is electrically connected to an external power source, and the power output terminal of the EMI circuit is electrically connected to the power input terminal of the rectifier circuit. The power output terminal of the rectifier circuit is electrically connected to the power input terminals of the CPU circuit and the power input terminal of the power supply control circuit, respectively. The detection circuit includes a position detection circuit and a current detection circuit. The detection input terminals of the position detection circuit and the current detection circuit are electrically connected to the detection terminals of the power supply control circuit, respectively, and the detection output terminals of the position detection circuit and the current detection circuit are electrically connected to the detection terminals of the CPU circuit, respectively. The rectifier circuit includes a rectifier filter circuit, a power regulation circuit, and a rectifier output circuit. The power input terminal of the rectifier filter circuit is electrically connected to the power output terminal of the EMI circuit, the power output terminal of the rectifier filter circuit is connected to the power input terminal of the power regulation circuit, and the power output terminal of the power regulation circuit is connected to the power input terminal of the rectifier output circuit. The circuit includes a power conversion circuit, a PFC control circuit, a current sampling circuit, an LLC control circuit, an optocoupler circuit, and an output voltage sampling circuit. The power input terminal of the power conversion circuit is connected to the power output terminal of the rectifier and filter circuit. The input terminal of the PFC control circuit is connected to the output terminal of the rectifier and filter circuit. The control terminal of the PFC control circuit is connected to the control terminal of the power conversion circuit. The sampling terminal of the power conversion circuit is connected to the sampling terminal of the current sampling circuit. The output terminal of the current sampling circuit is connected to the current input terminal of the LLC control circuit. The control terminal of the LLC control circuit is connected to the control terminal of the power conversion circuit. The output terminal of the power conversion circuit is connected to the input terminal of the rectifier output circuit. The sampling terminal of the rectifier output circuit is connected to the input terminal of the output voltage sampling circuit. The output terminal of the output voltage sampling circuit is connected to the input terminal of the optocoupler circuit. The output terminal of the optocoupler circuit is connected to the voltage input terminal of the LLC control circuit. The CPU circuit includes a CPU chip of model LPC824M201JHI33.

[0025] Specifically, the roller shutter controller circuit includes a power input interface D501, a mutual inductor L506, a capacitor C508, a mutual inductor L503, capacitors C501, C504, and C502, resistors R501 and R535, a mutual inductor L501, capacitor C503, resistor R544, and a fuse FU501. The power input interface D501 has terminals 1 / 2 / 3 / 4. Terminal 4 of mutual inductor L506 is connected to terminal 3 of power input interface D501. Terminal 1 of mutual inductor L506 is connected to terminal 2 of power input interface D501. Terminal 3 of mutual inductor L506 is connected to one end of capacitor C508 and terminal 4 of mutual inductor L503. Terminal 2 of mutual inductor L506 is connected to the other end of capacitor C508 and terminal 1 of mutual inductor L503. Terminal 3 of mutual inductor L503 is connected to one end of capacitor C501. Terminal "4" of mutual inductor L501 and terminal "2" of mutual inductor L503 are connected to one end of capacitor C504 and terminal "1" of mutual inductor L501. The other end of capacitor C501 and the other end of capacitor C504 are grounded together. One end of resistor R501 and one end of capacitor C502 are connected to terminal "1" of mutual inductor L501. The other end of resistor R501 is connected to one end of resistor R535. The other end of resistor R535 is connected to one end of resistor R536. The other end of resistor R536 and the other end of capacitor C502 are connected to terminal "4" of mutual inductor L501. Terminal "3" of mutual inductor L501 is connected to one end of resistor R544, one end of capacitor C503, the neutral wire of the power supply and the ZC2 interface. Terminal "2" of mutual inductor L501 is connected to the other end of resistor R544, the other end of capacitor C503 and one end of fuse FU501. The other end of fuse FU501 is connected to the ZC1 interface and the live wire of the power supply.

[0026] The roller shutter controller circuit includes capacitor C505, inductor L504 and capacitor C506. One end of capacitor C505 is connected to one end of inductor L504 and the power input interface "1" terminal, and the other end of capacitor C505 is connected to the power input interface "4" terminal. The other end of inductor L504 is connected to one end of capacitor C506 and the "HV" terminal, and the other end of capacitor C506 is connected to the power input interface "4" terminal.

[0027] The roller shutter controller circuit includes series resistors R502 / R503 / R504 / R505, parallel capacitors C507 / C532, series resistors R506 / 507, one end of series resistors R502 / R503 / R504 / R505 connected to the "HV" terminal, and the other end of series resistors R502 / R503 / R504 / R505 connected to one end of parallel capacitors C507 / C532 and one end of series resistors R506 / 507. The other ends of parallel capacitors C507 / C532 and series resistors R506 / 507 are grounded; it also includes capacitor C510, resistor R528, diode D510, capacitor C514, parallel resistors R508 / R510, and parallel resistors R513 / R514. The following components are connected in parallel: resistors R516 / R517 / R518 / R519, one end of capacitor C510, the cathode of diode D510, one end of capacitor C514, and one end of parallel resistors R508 / R510, all grounded. The other end of parallel resistors R508 / R510 and one end of parallel resistors R513 / R514 are connected to the "VBULK" terminal. The other end of parallel resistors R513 / R514 is connected to one end of parallel resistors R516 / R517 / R518 / R519 and the other end of capacitor C514. The other end of parallel resistors R516 / R517 / R518 / R519 is connected to the "400-PFC" terminal. Terminal 1 of chip N502 is grounded, and terminal 2 of chip N502 is connected to one end of capacitor C517 and resistor R... One end of chip N502 is connected to the ground, the other end of capacitor C517 and the other end of resistor R520 are grounded together. Terminal 3 of chip N502 is connected to one end of resistor R528, the other end of capacitor C510, and the positive terminal of diode D510. The other end of resistor R528 is connected to terminal 4 of the power input interface. Terminal 4 of chip N502 is connected to one end of capacitor C532. Terminal 5 of chip N502 is connected to one end of capacitor C511 and one end of resistor R515. The other end of resistor R515 is connected to one end of parallel capacitors C512 / C534 / C531. The other ends of parallel capacitors C512 / C534 / C531 are grounded. Terminal 6 of chip N502 is connected to one end of parallel resistors R516 / R517 / R518 / R519. Terminal "7" connects to one end of parallel capacitors C522 / C523 and the "VCC-NCP1632" terminal. The other end of parallel capacitors C522 / C523 is grounded. Terminal "8" of chip N502 connects to one end of resistor R529. The other end of resistor R529 connects to the cathode of diode D512 and one end of resistor R531. The anode of diode D512 and the other end of resistor R531 connect to the gate of NMOS transistor V502 and one end of resistor R534. The other end of resistor R534 and the source of NMOS transistor V502 are grounded together. The drain of NMOS transistor V502 connects to one end of parallel inductors L507 / L508 and one end of parallel resistors R545 / R546. The other end of parallel resistors R545 / R546 connects to one end of capacitor C524.The other end of capacitor C524 is grounded. One end of parallel resistors R522 / R523 / R524 / R537 is connected to terminal "4" of power input interface D501, and the other end of parallel resistors R522 / R523 / R524 / R537 is grounded. One end of parallel capacitors C536 / C516 is connected to the "VCC-AUX" terminal, and the other end of parallel capacitors C536 / C516 is grounded. The "VCC-AUX" terminal is connected to the cathode of diode D505. The anode of diode D505 is connected to the cathode of diode D506 and one end of parallel capacitors C529 / C528 / C518 / C530. The anode of diode D506 is grounded. The other end of parallel capacitors C529 / C528 / C518 / C530 is connected to series resistor R5. One end of 25 / R512 is connected to the other end of series resistor R525 / R512, which is connected to terminal "5" of transformer L505. Terminal "7" of transformer L505 is grounded. Terminal "3" of transformer L505 is connected to the other end of parallel inductor L507 / L508. Terminal "1" of transformer L505 is connected to the other end of inductor L504 and the positive terminal of Zener diode D509. The negative terminal of Zener diode D509 is connected to one end of resistor R539, the negative terminal of diode D508, and one end of resistor RT501. The other end of resistor R539 is connected to one end of capacitor C535. The other end of capacitor C535 is connected to the positive terminal of diode D508 and terminal "3" of transformer L505. The other end of resistor RT501 is connected to "400V-PFC" and parallel capacitor C526 / C5. One end of 27C is connected to the parallel capacitor C526 / C527C, and the other end is grounded; terminal "1" of chip N601 is connected to one end of capacitor C601 and one end of parallel resistor R601 / R602 / R603, with the other end of capacitor C601 grounded; the other end of parallel resistor R601 / R602 / R603 is connected to the "HV" terminal; terminal "3" of chip N601 is connected to one end of resistor R609 and one end of capacitor C602, with the other end of resistor R609 connected to the "VBULK" terminal; the other end of capacitor C602 is grounded; terminal "4" of chip N601 is connected to one end of capacitor C603 and one end of resistor R604; terminal "5" of chip N601 is connected to one end of capacitor C606; terminal "6" of chip N601 is connected to one end of capacitor C624. One end of capacitor C624 is grounded. Terminal 7 of chip N601 is connected to one end of capacitor C610 and one end of parallel resistor R605 / R610. Terminal 8 of chip N601 is connected to one end of resistor R608 and one end of capacitor C612. The other ends of capacitor C603, resistor R604, capacitor C606, capacitor C610, parallel resistor R605 / R610, resistor R608, and capacitor C612 are all grounded. Terminal 9 of chip N601 is connected to one end of resistor R610. The other end of resistor R610 is connected to the positive terminal of diode D602. The negative terminal of diode D602 is connected to one end of parallel capacitor C607 / C611 and the "VCC-NCP1632" terminal.The other end of the parallel capacitors C607 / C611 is grounded. Terminal "10" of chip N601 is connected to one end of the parallel capacitors C619 / C620 and one end of resistor R619. The other end of resistor R619 is connected to the anode of diode D607. The cathode of diode D607 is connected to terminal "16" of chip N601. The other end of the parallel capacitors C619 / C620 is grounded. Terminal "11" of chip N601 is grounded. Terminal "12" of chip N601 is connected to one end of resistor R626. The other end of resistor R626 is connected to one end of resistor R634 and the gate of NMOS transistor V607. The other end of resistor R634 is grounded. The source of NMOS transistor V607 is grounded. Terminal "14" of chip N601 is connected to one end of resistor R625. The other end of resistor R625 is connected to the gate of NMOS transistor V607. One end of the resistor R633 is connected to the gate of the NMOS transistor V606. The source of the NMOS transistor V606 is connected to the drain of the NMOS transistor V607 and one end of the capacitor C673. The other end of the capacitor C673 and the drain of the NMOS transistor V606 are connected to the "400V-PFC" terminal. Terminal "15" of the chip N601 is connected to one end of the capacitor C621 and the drain of the NMOS transistor V607. Terminal "16" of the chip N601 is connected to the other end of the capacitor C621. Terminal "10" of the chip N601 is connected to the cathode of the diode D605. The anode of the diode D605 is connected to the emitter of the NPN transistor V602. The base of the NPN transistor V602 is connected to the cathode of the Zener diode D606, one end of the parallel resistor R621 / R622, and one end of the capacitor C622. The positive terminal of Zener diode D606 and the other end of capacitor C622 are grounded. The other end of parallel resistor R621 / R622 is connected to the collector of NPN transistor V602. The collector of NPN transistor V602 is connected to the negative terminals of diodes D608 and D609, and one end of parallel capacitors C623 / C625 / C691. The other end of parallel capacitors C623 / C625 / C691 is grounded. The positive terminal of diode D608 is connected to the "VCC-AUX" terminal. The positive terminal of diode D609 is connected to one end of resistor R631. The other end of resistor R631 is connected to terminal "6" of transformer T601. Terminal "4" of transformer T601 is grounded. Terminal "1" of transformer T601 is connected to one end of capacitor C630. The other end of capacitor C630 is grounded. Transformer T601's "2" terminal is connected to one end of inductor L602, and the other end of inductor L602 is connected to the drain of NMOS transistor V607. Transformer T601's "10" terminal is connected to chip N608's "5 / 6 / 7 / 8" terminals and one end of parallel resistors R643 / R642. The other end of parallel resistors R643 / R642 is connected to one end of capacitor C637. The other end of capacitor C637 is connected to chip N608's "1 / 2 / 3" terminals. Chip N608's "4" terminal is connected to chip V608's "4" terminal. Chip V608's "5" terminal is connected to chip N608's "5 / 6 / 7 / 8" terminals. Chip N605's "1" terminal is connected to one end of resistor R686, and the other end of resistor R686 is connected to chip V609's "4" terminal.Terminal 2 of chip V605 is grounded; terminal 3 of chip V605 is grounded; terminal 4 of chip V605 is connected to one end of capacitor C685, and the other end of capacitor C685 is grounded; terminal 5 of chip V605 is grounded; terminal 6 of chip V605 is connected to terminal 10 of transformer T601 through resistor R687; terminal 7 of chip V605 is connected to the 24V terminal through resistor R689; terminal 8 of chip V605 is connected to the other end of capacitor C673 through resistor R688; terminal 1 of chip RY801 is connected to the 24V terminal and the negative terminal of diode D806; terminal 2 of chip RY801 is connected to the collector of NPN transistor V801 and the positive terminal of diode D806; NPN transistor V... The base of transistor 801 is connected to the "ON-1" terminal. The emitter of NPN transistor V801 is grounded. Terminal 5 of chip RY801 is connected to the "24V-OUT1" terminal and terminal ZC4. Terminal 4 of chip RY801 is connected to the anode of diode D805 and the anode of diode D804. Terminal 6 of chip RY801 is connected to the cathode of diode D805. Terminal 8 of chip RY801 is connected to the "24V" terminal. Terminal 1 of chip RY802 is connected to the "24V" terminal and the cathode of diode D807. Terminal 2 of chip RY802 is connected to the collector of NPN transistor V802 and the anode of diode D807. The base of NPN transistor V802 is connected to the "ON-2" terminal. The emitter of NPN transistor V802 is connected to... The RY802 chip's "5" terminal is connected to the "24V-OUT2" terminal and the ZC5 terminal. The RY802 chip's "4" terminal is connected to the anodes of diodes D805 and D804. The RY802 chip's "6" terminal is connected to the cathode of diode D804. The RY801 chip's "8" terminal is connected to the "24V" terminal. The anode of diode D804 is connected to the "V-SEN" terminal and one end of resistor R812, with the other end of resistor R812 grounded. The N801 chip's "1" terminal is connected to the "Rxd" terminal via resistor R802. The N801 chip's "2 / 3" terminals are connected to the "DE" terminal via resistor R803. The N801 chip's "4" terminal is connected to the "Txd" terminal via resistor R804. Chip N801's "5" terminal is grounded. Chip N801's "6" terminal is connected to terminal "A" via resistor R811. Chip N801's "7" terminal is connected to terminal "B" via resistor R810. Chip N801's "8" terminal is connected to the "5V0" terminal. One negative terminal of diode D803 is connected to chip N801's "7" terminal, and the other negative terminal of diode D803 is connected to chip N801's "6" terminal. The positive terminal of diode D803 is grounded. One end of capacitor C802 is connected to chip N801's "8" terminal, and the other end of capacitor C802 is grounded. One end of resistor R807 is connected to chip N801's "7" terminal, and the other end of resistor R807 is grounded. One end of resistor R808 is connected to chip N801's "8" terminal.One end of resistor R808 is connected to terminal 6 of chip N801; terminal 1 of chip N802 is connected to terminal "Rxd2" via resistor R815; terminals 2 / 3 of chip N802 are connected to terminal "DE2" via resistor R816; terminal 4 of chip N802 is connected to terminal "Txd2" via resistor R817; terminal 5 of chip N802 is grounded; terminal 6 of chip N802 is connected to terminal "A2" via resistor R821; terminal 7 of chip N802 is connected to terminal "B2" via resistor R822; terminal 8 of chip N802 is connected to terminal "5V0"; one negative terminal of diode D809 is connected to terminal 7 of chip N802; diode D8... The other negative terminal of chip N802 is connected to terminal 6. The positive terminal of diode D809 is grounded. One end of capacitor C805 is connected to terminal 8 of chip N802, and the other end of capacitor C805 is grounded. One end of resistor R820 is connected to terminal 7 of chip N802, and the other end of resistor R820 is grounded. One end of resistor R819 is connected to terminal 8 of chip N802, and the other end of resistor R819 is connected to terminal 6 of chip N802. Terminal 1 of chip N902 is connected to the "3V3" terminal through resistor R921. Terminal 2 of chip N902 is connected to the "3V3" terminal through resistor R904. Terminal 3 of chip N902 is connected to the "3V3" terminal through resistor R906. Chip N902's "4" terminal is connected to the "3V3" terminal via resistor R905; chip N902's "7" terminal is connected to the "3V3" terminal via resistor R908; chip N902's "8" terminal is connected to the "SDA" terminal; chip N902's "9" terminal is connected to the "SCL" terminal; chip N902's "15" terminal is connected to the "Txd" terminal; chip N902's "16" terminal is connected to the "Rxd" terminal; chip N902's "19 / 21" terminals are connected to the "3V3" terminal via inductor L901; chip N902's "20" terminal is connected to the "3V3" terminal via capacitor C905 and inductor L901; chip N902's "23" terminal is connected to the "3V3" terminal via resistor R907. Connect the positive terminal of LED901, and ground the negative terminal of LED901. Connect terminal 24 of chip N902 to the "3V3" terminal through resistor R910. Connect terminal 25 of chip N902 to the "AD1" terminal. Connect terminal 26 of chip N902 to one end of resistor R903 and the "AD-KEY" terminal. Connect the other end of resistor R903 to the "3V3" terminal. Connect terminal 27 of chip N902 to LED1 through resistor R912. Connect terminal 28 of chip N902 to LED2 through resistor R913. Connect terminal 29 of chip N902 to LED3 through resistor R901. Connect terminal 30 of chip N902 to LED4 through resistor R902.Chip N902's "31" terminal is connected to LED-Status via resistor R909; chip N903's "1" terminal is connected to resistors R914 and R915 and one end of capacitor C908, the other end of resistor R914 is connected to the "AD1" terminal and one end of capacitor C906, the other end of capacitor C906 is grounded; chip N903's "2" terminal is grounded; chip N903's "3" terminal is connected to one end of resistor R916, the other end of resistor R916 is connected to the "V-SEN" terminal; chip N903's "4" terminal is connected to one end of resistor R917, the other end of resistor R915, and the other end of capacitor C908, the other end of resistor R917 is grounded; chip N903's "5" terminal is connected to one end of capacitor C907 and the "3V3" terminal, the other end of capacitor C907 is grounded; chip N... Terminal 901's "IN" is connected to the "5V0" terminal, the negative terminal of diode D901, and one end of capacitor C903. The other end of capacitor C903 is grounded. Terminal N901's "GND" is grounded. Terminal N901's "OUT" is connected to one end of parallel capacitor C901 / C902, the positive terminal of diode D901, and the "3V3" terminal. The other end of parallel capacitor C901 / C902 is grounded. Terminal X901's "1 / 2" is grounded. Terminal X901's "3" is connected to LED1. Terminal X901's "4" is connected to LED2. Terminal X901's "5" is connected to LED3. Terminal X901's "6" is connected to LED4. Terminal X901's "7" is connected to LED-Status. Terminal X901's "8" is connected to AD-KEY.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A novel roller shutter controller circuit, characterized in that, The roller shutter controller circuit includes: a power input circuit, a CPU circuit, a detection circuit, and a power supply control circuit. The power output terminal of the power input circuit is electrically connected to the power input terminals of the CPU circuit and the power supply control circuit, respectively. The power output terminal of the power supply control circuit is electrically connected to the load. The detection terminal of the power supply control circuit is electrically connected to the detection input terminal of the detection circuit. The control terminal of the CPU circuit is electrically connected to the control terminal of the power supply control circuit. The detection terminal of the CPU circuit is electrically connected to the detection output terminal of the detection circuit. The power input circuit includes an EMI circuit and a rectifier circuit. The power input terminal of the EMI circuit is electrically connected to an external power source, and the power output terminal of the EMI circuit is electrically connected to the power input terminal of the rectifier circuit. The power output terminal of the rectifier circuit is electrically connected to the power input terminal of the CPU circuit and the power input terminal of the power supply control circuit, respectively.

2. The novel roller shutter controller circuit according to claim 1, characterized in that, The detection circuit includes a position detection circuit and a current detection circuit. The detection input terminals of the position detection circuit and the current detection circuit are electrically connected to the detection terminals of the power supply control circuit, respectively. The detection output terminals of the position detection circuit and the current detection circuit are electrically connected to the detection terminals of the CPU circuit, respectively.

3. The novel roller shutter controller circuit according to claim 1, characterized in that, The rectifier circuit includes a rectifier filter circuit, a power regulation circuit, and a rectifier output circuit. The power input terminal of the rectifier filter circuit is electrically connected to the power output terminal of the EMI circuit. The power output terminal of the rectifier filter circuit is connected to the power input terminal of the power regulation circuit. The power output terminal of the power regulation circuit is connected to the power input terminal of the rectifier output circuit.

4. A novel roller shutter controller circuit according to claim 3, characterized in that, The power regulation circuit includes a power conversion circuit, a PFC control circuit, a current sampling circuit, an LLC control circuit, an optocoupler circuit, and an output voltage sampling circuit. The power input terminal of the power conversion circuit is connected to the power output terminal of the rectifier-filter circuit. The input terminal of the PFC control circuit is connected to the output terminal of the rectifier-filter circuit. The control terminal of the PFC control circuit is connected to the control terminal of the power conversion circuit. The sampling terminal of the power conversion circuit is connected to the sampling terminal of the current sampling circuit. The output terminal of the current sampling circuit is connected to the current input terminal of the LLC control circuit. The control terminal of the LLC control circuit is connected to the control terminal of the power conversion circuit. The output terminal of the power conversion circuit is connected to the input terminal of the rectifier output circuit. The sampling terminal of the rectifier output circuit is connected to the input terminal of the output voltage sampling circuit. The output terminal of the output voltage sampling circuit is connected to the input terminal of the optocoupler circuit. The output terminal of the optocoupler circuit is connected to the voltage input terminal of the LLC control circuit.

5. A novel roller shutter controller circuit according to claim 1, characterized in that, The CPU circuit includes a CPU chip with model number LPC824M201JHI33.

6. A novel roller shutter controller circuit according to claim 3, characterized in that, The EMI circuit includes a power input interface D501, mutual inductor L506, capacitor C508, mutual inductor L503, capacitor C501, capacitor C504, capacitor C502, resistor R501, resistor R535, mutual inductor L501, capacitor C503, resistor R544, and fuse FU501. The power input interface D501 has terminals 1 / 2 / 3 / 4. Terminal 4 of mutual inductor L506 is connected to terminal 3 of power input interface D501. Terminal 1 of mutual inductor L506 is connected to terminal 2 of power input interface D501. Terminal 3 of mutual inductor L506 is connected to one end of capacitor C508 and terminal 4 of mutual inductor L503. Terminal 2 of mutual inductor L506 is connected to the other end of capacitor C508 and terminal 1 of mutual inductor L503. Terminal 3 of mutual inductor L503 is connected to one end of capacitor C501 and... Terminal "4" of L501 and terminal "2" of mutual inductor L503 are connected to one end of capacitor C504 and terminal "1" of mutual inductor L501. The other end of capacitor C501 and the other end of capacitor C504 are grounded together. One end of resistor R501 and one end of capacitor C502 are connected to terminal "1" of mutual inductor L501. The other end of resistor R501 is connected to one end of resistor R535. The other end of resistor R535 is connected to one end of resistor R536. The other end of resistor R536 and the other end of capacitor C502 are connected to terminal "4" of mutual inductor L501. Terminal "3" of mutual inductor L501 is connected to one end of resistor R544, one end of capacitor C503, the neutral wire of the power supply, and the ZC2 interface. Terminal "2" of mutual inductor L501 is connected to the other end of resistor R544, the other end of capacitor C503, and one end of fuse FU501. The other end of fuse FU501 is connected to the ZC1 interface and the live wire of the power supply.

7. A novel roller shutter controller circuit according to claim 6, characterized in that, The rectifier and filter circuit is selected as a π-type rectifier and filter circuit.

8. A novel roller shutter controller circuit according to claim 7, characterized in that, The rectifier and filter circuit includes capacitor C505, inductor L504 and capacitor C506. One end of capacitor C505 is connected to one end of inductor L504 and the power input interface "1" terminal, and the other end of capacitor C505 is connected to the power input interface "4" terminal. The other end of inductor L504 is connected to one end of capacitor C506 and the "HV" terminal, and the other end of capacitor C506 is connected to the power input interface "4" terminal.