CN109831845B - Multifunctional LED induction lamp controller - Google Patents
Multifunctional LED induction lamp controller Download PDFInfo
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- CN109831845B CN109831845B CN201811629242.1A CN201811629242A CN109831845B CN 109831845 B CN109831845 B CN 109831845B CN 201811629242 A CN201811629242 A CN 201811629242A CN 109831845 B CN109831845 B CN 109831845B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 10
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The invention discloses a multifunctional LED induction lamp controller, which comprises a control circuit, wherein the input end of the control circuit is connected with a power input circuit, the output end of the control circuit is connected with a function selection circuit and a load output circuit, the output end of the function selection circuit is connected with an induction module, a function switch S1 in the function selection circuit can adjust the working mode of an LED lamp string, the controller has a power-free or low-power driving mode under the condition that the induction module does not output induction signals, the circuit structure is simple, a customer can freely perform function selection, two types of control circuit boards are not required to be designed and manufactured in the process of producing an LED induction lamp, and the production difficulty and the production cost are effectively reduced.
Description
Technical Field
The invention relates to an LED lamp control circuit, in particular to a multifunctional LED induction lamp controller.
Background
The LED induction lamp has the advantages of energy conservation, environmental protection and long service life, the LED induction lamp is an intelligent lamp capable of automatically controlling the light source to be on or off through an induction module, the LED induction lamp is generally applied to public places such as fire-fighting channels, corridor, mansion and parking lots, but the light source is usually turned off when no person or vehicle passes through the LED induction lamp, the light source is turned on after the person or vehicle is induced (namely, two working modes of full on and full off), the working mode has certain limitation, the camera monitoring equipment in the public places such as underground channels and underground parking lots can be caused to lack background light, therefore, certain manufacturers can design the working mode of full off into a low-power micro-on mode according to the requirements of customers, so that the cost of the LED induction lamp input by the manufacturers to the LED induction lamp is increased due to the fact that two control circuit boards are required to be designed and manufactured in the production process of the LED induction lamp, the adopted technical scheme mainly adopts a PWM controller and a constant-current control chip, the LED induction lamp is combined with an auxiliary power supply, a PWM circuit and a dimming control module to realize high output power of the control IC, the LED induction lamp has high-on/off state, the LED induction lamp is extremely complicated in the whole production process, and the whole LED induction lamp has the manufacturing difficulty is extremely long in production cycle.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the multifunctional LED induction lamp controller which is low in production cost and has multiple working modes.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides a multi-functional LED induction lamp controller, includes control circuit, control circuit's input is connected with power input circuit, and the output is connected with function selection circuit and load output circuit, function selection circuit's output is connected with the response module.
The power input circuit comprises a rectifier bridge DB1, a resistor FR1, a resistor R10, a capacitor C1, a capacitor C3 and a zener diode ZD1; the positive input end of the rectifier bridge DB1 is connected with a zero line through the resistor FR1, the negative input end is connected with a live wire, the negative output end is grounded, and the positive output end is connected with a node of the rectifier bridge DB1 and a node of the capacitor C1 through the capacitor C1, the capacitor C3 and the resistor R10 in sequence; the positive electrode of the zener diode ZD1 is connected to the node between the resistor R10 and the capacitor C3, and the negative electrode is connected to the node between the capacitor C3 and the capacitor C1.
The control circuit comprises a main control chip U1, a resistor R2, a resistor R3 and a capacitor C2; the 1 pin of the main control chip U1 is divided into four paths, one path is sequentially connected with the nodes of the capacitor C1 and the resistor R10 through the capacitor C2, the resistor R2 and the resistor R1, the second path is connected with the 2 pin of the main control chip U1 through the resistor R3, the third path is connected with the nodes of the capacitor C1 and the zener diode ZD1, and the fourth path is grounded; and a pin 4 of the main control chip U1 is connected with the nodes of the capacitor C2 and the resistor R2.
The load output circuit comprises a diode D2, a resistor R5, a capacitor C4, an iron core inductor L2 and a load connector JS1; after the resistor R5 is connected with the capacitor C4 in parallel, one end of the resistor R5 is connected with the anode of the diode D2 through the iron core inductor L2, the other end of the resistor R5 is divided into two paths, one path is connected with a node between the resistor R1 and the capacitor C1, and the other path is connected with the cathode of the diode D2; the 1 pin of the load connector JS1 is connected to the node between the capacitor C4 and the diode D2, and the 2 pin is connected to the node between the capacitor C4 and the core inductor L2.
The function selection circuit comprises a MOS tube Q1, a triode Q2, a resistor RS1, a resistor RS2 and a function switch S1; the G of the MOS tube Q1 is connected with the 6 pin of the main control chip U1; the D pole of the MOS tube Q1 is connected with the node of the diode D2 and the iron core inductor L2; the S pole of the MOS transistor Q1 is divided into two paths, one path is connected with the C pole of the triode Q2 through the resistor RS2, and the other path is connected with the E pole of the triode Q2 through the resistor RS1 and the functional switch S1 in sequence; the B pole of the triode Q2 is connected with the control end of the induction module; the power supply of the sensing module is connected with the node of the zener diode ZD1 and the resistor R10, and the ground wire port of the sensing module is connected with the node of the E pole of the triode Q2 and the functional switch S1.
The resistance of the resistor RS1 is larger than that of the resistor RS 2.
The beneficial effects of the invention are as follows: the function switch S1 in the function selection circuit can adjust the working mode of the LED lamp string, the controller has a power-free or low-power driving mode under the condition that the sensing module outputs no sensing signal, the circuit structure is simple, a customer can freely select functions, two types of control circuit boards are not required to be designed and manufactured in the process of producing the LED sensing lamp, and the production difficulty and the production cost are effectively reduced.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
Referring to fig. 1, a multifunctional LED induction lamp controller includes a control circuit, wherein an input end of the control circuit is connected with a power input circuit, an output end of the control circuit is connected with a function selection circuit and a load output circuit, and an output end of the function selection circuit is connected with an induction module TR.
Referring to a of fig. 1, the power input circuit includes a rectifier bridge DB1, a resistor FR1, a resistor R10, a capacitor C1, a capacitor C3, and a zener diode ZD1; the positive input end of the rectifier bridge DB1 is connected with a zero line through the resistor FR1, the negative input end is connected with a live wire, the negative output end is grounded, and the positive output end is connected with a node of the rectifier bridge DB1 and a node of the capacitor C1 through the capacitor C1, the capacitor C3 and the resistor R10 in sequence; the positive pole of zener diode ZD1 connects resistance R10 with the node of electric capacity C3, the negative pole connects electric capacity C3 with the node of electric capacity C1, electric capacity C3 with behind the zener diode ZD1 parallelly connected with the node between resistance R10 constitutes the power interception node, for induction module TR provides operating voltage, can prevent simultaneously the unstable alternating current input of power input circuit is to the surge impact that the follow-up circuit caused, strengthens the compressive capacity of whole controller, power input circuit mainly used carries out rectifying and filtering to alternating current power supply, provides steady direct current power for follow-up circuit.
Referring to fig. 1B, the control circuit includes a main control chip U1 (model XT 212), a resistor R1, a resistor R2, a resistor R3, and a capacitor C2; the 1 pin of the main control chip U1 is divided into four paths, one path is sequentially connected with the nodes of the capacitor C1 and the resistor R10 through the capacitor C2, the resistor R2 and the resistor R1, the second path is connected with the 2 pin of the main control chip U1 through the resistor R3, the third path is connected with the nodes of the capacitor C1 and the zener diode ZD1, and the fourth path is grounded; the 4 pins of the main control chip U1 are connected with the nodes of the capacitor C2 and the resistor R2, and the control circuit mainly converts an input power supply signal into voltage and current required by the LED lamp beads.
Referring to fig. 1 at C, the load output circuit includes a diode D2, a resistor R5, a capacitor C4, a core inductance L2, and a load connector JS1; after the resistor R5 is connected with the capacitor C4 in parallel, one end of the resistor R5 is connected with the anode of the diode D2 through the iron core inductor L2, the other end of the resistor R5 is divided into two paths, one path is connected with a node between the resistor R1 and the capacitor C1, and the other path is connected with the cathode of the diode D2; the 1 pin of the load connector JS1 is connected with the node of the capacitor C4 and the diode D2, the 2 pin is connected with the node of the capacitor C4 and the iron core inductor L2, the load connector JS1 is an output electric connection terminal and is used for connecting the anode and the cathode of a light source such as an LED lamp bead, the diode D2, the resistor R5, the capacitor C4 and the iron core inductor L2 form a protection loop, so that the load output circuit can obtain more stable output to drive the load such as the LED lamp bead, the power loss of a controller can be reduced, the conversion efficiency is improved, and the controller is prevented from being heated and damaged.
Referring to fig. 1D, the function selecting circuit includes a MOS transistor Q1, a triode Q2, a resistor RS1, a resistor RS2, and a function switch S1; the G of the MOS tube Q1 is connected with the 6 pin of the main control chip U1; the D pole of the MOS tube Q1 is connected with the node of the diode D2 and the iron core inductor L2; the S pole of the MOS transistor Q1 is divided into two paths, one path is connected with the C pole of the triode Q2 through the resistor RS2, and the other path is connected with the E pole of the triode Q2 through the resistor RS1 and the functional switch S1 in sequence; the B pole of the triode Q2 is connected with the control end (output control pin) of the sensing module TR; the power supply end (power supply interface) of the sensing module TR is connected with the node of the zener diode ZD1 and the resistor R10, and the ground wire port of the sensing module TR is connected with the node of the E pole of the triode Q2 and the functional switch S1; the number of interfaces of the sensing modules TR is 3, namely VCC, GND and OUT (namely the power end, the ground wire end and the control end), the sensing modules TR can select different sensing modules such as infrared, acousto-optic, radar or microwave according to the actual installation environment, and the sensing modules TR can be directly used only by correspondingly connecting the 3 basic interfaces with a circuit of the controller, so that the environment adaptability of the controller is stronger; the resistance value of the resistor RS1 is larger than that of the resistor RS2, and under the condition that the branches of the resistor RS1 and the resistor RS2 are conducted, the power range allocated by the resistor RS1 is within 5% -10%, and the power range allocated by the resistor RS2 is within 90% -95%.
In a specific embodiment, the controller may adjust the working mode of the LED string through the functional switch S1, when the functional switch S1 is turned on (i.e. in the D of fig. 1, the 2 and 3 ports of the functional switch S1 are connected), the branch of the resistor RS1 is connected to the circuit, when the sensing module TR does not give a sensing signal (i.e. no person or no moving vehicle), only the branch of the resistor RS1 is turned on, the LED string is in a micro-bright state, when the sensing module TR gives a sensing signal (i.e. sensing a person or moving vehicle), the triode Q2 is turned on, and the branch of the resistor RS2 is connected to the circuit.
When the functional switch S1 is disconnected (namely in the D part of fig. 1, the 1 and 2 ports of the functional switch S1 are connected), the branch of the resistor RS1 is disconnected, when the sensing module TR does not give a sensing signal, the whole circuit does not work, the controller does not output a driving power supply, the LED lamp is in a full-off state, when the sensing module TR gives a sensing signal, the triode Q2 is conducted, the LED lamp is driven by the full power of the controller and is in a full-on state, the circuit structure is simple, a user can freely select the working mode of the controller, two types of control circuit boards are not required to be designed and manufactured in the process of producing the LED sensing lamp, and the production difficulty is reduced while the LED lamp is provided with various working modes.
The above embodiments do not limit the protection scope of the invention, and those skilled in the art can make equivalent modifications and variations without departing from the whole inventive concept, and they still fall within the scope of the invention.
Claims (2)
1. The multifunctional LED induction lamp controller comprises a control circuit and is characterized in that the input end of the control circuit is connected with a power input circuit, the output end of the control circuit is connected with a function selection circuit and a load output circuit, and the output end of the function selection circuit is connected with an induction module; the controller has a drive mode without power or with low power under the condition that the induction module outputs no induction signal;
The power input circuit comprises a rectifier bridge DB1, a resistor FR1, a resistor R10, a capacitor C1, a capacitor C3 and a zener diode ZD1; the positive input end of the rectifier bridge DB1 is connected with a zero line through the resistor FR1, the negative input end is connected with a live wire, the negative output end is grounded, and the positive output end is connected with a node of the rectifier bridge DB1 and a node of the capacitor C1 through the capacitor C1, the capacitor C3 and the resistor R10 in sequence; the positive electrode of the zener diode ZD1 is connected with the node of the resistor R10 and the capacitor C3, and the negative electrode is connected with the node of the capacitor C3 and the capacitor C1;
The control circuit comprises a main control chip U1, a resistor R2, a resistor R3 and a capacitor C2; the 1 pin of the main control chip U1 is divided into four paths, one path is sequentially connected with the nodes of the capacitor C1 and the resistor R10 through the capacitor C2, the resistor R2 and the resistor R1, the second path is connected with the 2 pin of the main control chip U1 through the resistor R3, the third path is connected with the nodes of the capacitor C1 and the zener diode ZD1, and the fourth path is grounded; the pin 4 of the main control chip U1 is connected with the node of the capacitor C2 and the resistor R2;
The load output circuit comprises a diode D2, a resistor R5, a capacitor C4, an iron core inductor L2 and a load connector JS1; after the resistor R5 is connected with the capacitor C4 in parallel, one end of the resistor R5 is connected with the anode of the diode D2 through the iron core inductor L2, the other end of the resistor R5 is divided into two paths, one path is connected with a node between the resistor R1 and the capacitor C1, and the other path is connected with the cathode of the diode D2; the 1 pin of the load connector JS1 is connected to the node between the capacitor C4 and the diode D2, and the 2 pin is connected to the node between the capacitor C4 and the core inductor L2;
The function selection circuit comprises a MOS tube Q1, a triode Q2, a resistor RS1, a resistor RS2 and a function switch S1; the G of the MOS tube Q1 is connected with the 6 pin of the main control chip U1; the D pole of the MOS tube Q1 is connected with the node of the diode D2 and the iron core inductor L2; the S pole of the MOS transistor Q1 is divided into two paths, one path is connected with the C pole of the triode Q2 through the resistor RS2, and the other path is connected with the E pole of the triode Q2 through the resistor RS1 and the functional switch S1 in sequence; the B pole of the triode Q2 is connected with the control end of the induction module; the power supply of the sensing module is connected with the node of the zener diode ZD1 and the resistor R10, and the ground wire port of the sensing module is connected with the node of the E pole of the triode Q2 and the functional switch S1.
2. The multifunctional LED induction lamp controller according to claim 1, characterized in that the resistance of the resistor RS1 is larger than the resistance of the resistor RS 2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811629242.1A CN109831845B (en) | 2018-12-27 | 2018-12-27 | Multifunctional LED induction lamp controller |
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| CN201811629242.1A CN109831845B (en) | 2018-12-27 | 2018-12-27 | Multifunctional LED induction lamp controller |
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| CN109831845A CN109831845A (en) | 2019-05-31 |
| CN109831845B true CN109831845B (en) | 2024-04-23 |
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| CN113056058A (en) * | 2019-12-26 | 2021-06-29 | 菲尼克斯亚太电气（南京）有限公司 | Drive circuit for driving LED device and LED circuit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201928495U (en) * | 2011-01-17 | 2011-08-10 | 文冬梅 | Light emitting diode (LED) lamp dimmed by human body induction |
| WO2015180136A1 (en) * | 2014-05-30 | 2015-12-03 | 王晓元 | Dimming switch and dimming method therefor |
| CN105722289A (en) * | 2015-08-25 | 2016-06-29 | 阮树成 | Supermarket and emporium human body infrared induction switch light-modulation LED lamp group |
| CN206865791U (en) * | 2017-06-21 | 2018-01-09 | 深圳市双向诚科技有限公司 | A kind of New LED driver |
| CN209731644U (en) * | 2018-12-27 | 2019-12-03 | 中山市夸克光电科技有限公司 | A kind of Multifunctional LED induction lamp controller |
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- 2018-12-27 CN CN201811629242.1A patent/CN109831845B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201928495U (en) * | 2011-01-17 | 2011-08-10 | 文冬梅 | Light emitting diode (LED) lamp dimmed by human body induction |
| WO2015180136A1 (en) * | 2014-05-30 | 2015-12-03 | 王晓元 | Dimming switch and dimming method therefor |
| CN105722289A (en) * | 2015-08-25 | 2016-06-29 | 阮树成 | Supermarket and emporium human body infrared induction switch light-modulation LED lamp group |
| CN206865791U (en) * | 2017-06-21 | 2018-01-09 | 深圳市双向诚科技有限公司 | A kind of New LED driver |
| CN209731644U (en) * | 2018-12-27 | 2019-12-03 | 中山市夸克光电科技有限公司 | A kind of Multifunctional LED induction lamp controller |
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Effective date of registration: 20240514 Address after: 1628 suzhao Road, Minhang District, Shanghai 201100 Patentee after: Shanghai Rouli Technology Co.,Ltd. Country or region after: China Address before: 528400, 5th Floor, No. 72 North Caoshan Industrial Avenue, Guzhen Town, Zhongshan City, Guangdong Province Patentee before: ZHONGSHAN QUARK PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Country or region before: China |