CN217335968U - Extensible multi-lamp-group driving circuit - Google Patents
Extensible multi-lamp-group driving circuit Download PDFInfo
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- CN217335968U CN217335968U CN202220034513.4U CN202220034513U CN217335968U CN 217335968 U CN217335968 U CN 217335968U CN 202220034513 U CN202220034513 U CN 202220034513U CN 217335968 U CN217335968 U CN 217335968U
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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 utility model provides a many banks of lamps of extensible drive circuit realizes many LED banks drive and the later stage of being convenient for expansion, its characterized in that: the LED lamp comprises an input circuit, a rectifying and filtering circuit and a plurality of driving output circuits connected in parallel to the output end of the rectifying and filtering circuit, wherein each driving output circuit is respectively in butt joint with and drives an LED lamp group; the output end of the rectifying and filtering circuit is provided with a first wiring terminal for hanging the driving output circuit, and the input end of each driving output circuit is respectively provided with a second wiring terminal which is matched and spliced with the first wiring terminal. The design of the parallel driving of the multiple lamp groups can meet different lighting requirements, the lamp groups operate independently, and even if a single lamp group fails, the minimum lighting can be guaranteed. Meanwhile, the design of parallel driving is convenient for later-stage expansion, the original circuit structure is not required to be changed, and the parallel driving circuit has better technical performance and practicability.
Description
Technical Field
The utility model relates to a many banks of lamps of extensible drive circuit.
Background
The traditional lighting control circuit mostly drives a single LED lamp string, and if a lamp bead of the LED lamp string fails, the LED lamp string cannot be normally lightened. Meanwhile, users have different requirements on illumination brightness, illumination range, lamplight color temperature and the like at present, if the requirements are to be realized on a single LED lamp string, the design difficulty is high, the cost is high, and therefore the requirement considers the multi-path parallel driving design.
SUMMERY OF THE UTILITY MODEL
The utility model provides a many banks of extensible drive circuit realizes many LED banks drive and the later stage of being convenient for to extend, and it specifically realizes through following technical means:
the utility model discloses an extensible many banks of lamps drive circuit, including input circuit, rectification filter circuit to and a plurality of parallel connection in the drive output circuit of the output of rectification filter circuit, each drive output circuit docks respectively and drives a LED banks; the output end of the rectifying and filtering circuit is provided with a first wiring terminal for hanging the driving output circuit, and the input end of each driving output circuit is respectively provided with a second wiring terminal which is matched and spliced with the first wiring terminal.
In one or more embodiments of the present invention, the input circuit includes a conjugate inductor LF1, a voltage dependent resistor VR1, a capacitor CX1, a resistor RX1, and an RX2, the input end of the conjugate inductor LF1 is connected to the L, N line and connected to the voltage dependent resistor VR1, the output end of the conjugate inductor LF1 is connected to the input end of the rectification filter circuit, the capacitor CX1 is connected to the output end of the conjugate inductor LF1, and the resistors RX1 and RX2 are connected in series and then connected to the output end of the conjugate inductor LF 1.
In one or more embodiments of the present invention, the input terminal L of the conjugate inductor LF1 is connected to the fuse F1.
In one or more embodiments of the present invention, the rectifying and filtering circuit includes a rectifier bridge BD1 and a filter capacitor C1 connected to an output end of the rectifier bridge BD 1.
In one or more embodiments of the present invention, the driving output circuit includes at least a first driving output circuit and a second driving output circuit, and the first driving output circuit and the second driving output circuit have the same or different circuit structures.
In one or more embodiments of the present invention, the first driving output circuit includes a constant current and constant voltage driving chip U1, a diode D1, an inductor T1, a capacitor C6, a capacitor C7, and an EC 1; the DRAIN pin of the constant-current and constant-voltage driving chip U1 is connected to the input end of the driving output circuit and is connected to the output end of the driving output circuit through a capacitor C6; an FB pin, a VCC pin and a COMP pin of the constant-current and constant-voltage driving chip U1 are grounded through capacitors C3, C2 and C4 respectively; one end of each of resistors R5, R4 and R3 is grounded after being connected in series, the other end of each of the resistors is connected with an inductor T1, a connection point of the resistors R5 and R4 is connected with an FB pin of a constant-current and constant-voltage driving chip U1, a connection point of the resistor R3 and the inductor T1 is connected to the output end of a driving output circuit, and a connection point of the resistor R3 and the inductor T1 is grounded through a capacitor EC 1; the negative electrode of the diode D1 is connected with an ISP pin of a constant-current constant-voltage driving chip U1, the ISP pin is grounded through a resistor RS1, the positive electrode of the diode D1 is connected with the grounding end of a capacitor EC1, and two ends of the capacitor EC1 are connected with resistors R1 and R6 in parallel; the anode of the diode D1 is grounded through a capacitor C7, a resistor R7 and a resistor RS2, and the junction of the resistor R7 and the resistor RS2 is connected to the cathode of the diode D1.
In one or more embodiments of the present invention, the second driving output circuit includes a constant voltage driving chip U2, a diode D2, an inductor T2, a capacitor C11, a capacitor C10 and an EC 2; the DRAIN pin of the constant-current constant-voltage driving chip U2 is connected to the input end of the driving output circuit and is connected to the output end of the driving output circuit through a capacitor C11; an FB pin, a VCC pin and a COMP pin of the constant-current and constant-voltage driving chip U2 are grounded through capacitors C9, C8 and C5 respectively; one end of each of resistors R2, R8 and R11 is grounded after being connected in series, the other end of each of the resistors is connected with an inductor T2, a connection point of the resistors R2 and R8 is connected with an FB pin of a constant-current and constant-voltage driving chip U2, a connection point of the resistor R11 and the inductor T2 is connected to the output end of a driving output circuit, and a connection point of the resistor R11 and the inductor T2 is grounded through a capacitor EC 2; the negative electrode of the diode D2 is connected with an ISP pin of the constant-current and constant-voltage driving chip U2, the ISP pin is grounded through a resistor RS3, the positive electrode of the diode D2 is connected with the grounding end of a capacitor EC2, and two ends of the capacitor EC2 are connected with resistors R11 and R10 in parallel; the anode of the diode D2 is grounded through a capacitor C10, a resistor R12 and a resistor RS4, and the junction of the resistor R12 and the resistor RS4 is connected to the cathode of the diode D2.
The utility model has the advantages that: the design of the parallel driving of the multiple lamp groups can meet different lighting requirements, the lamp groups operate independently, and even if a single lamp group fails, the minimum lighting can be guaranteed. Meanwhile, the design of parallel driving is convenient for later-stage expansion, and only the interface is reserved in the LED driving module, so that the driving output circuit and the LED lamp set can be additionally arranged at any time without changing the original circuit structure, and the LED driving module has better technical performance and practicability.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
The scheme of the application is further described as follows:
referring to fig. 1, the expandable multi-lamp-group driving circuit includes an input circuit, a rectifying filter circuit, and a first driving output circuit and a second driving output circuit connected in parallel to an output end of the rectifying filter circuit, where the output end of the rectifying filter circuit is provided with a first connection terminal for hanging the driving output circuit, an input end of each driving output circuit is respectively provided with a second connection terminal in matched and plugged connection with the first connection terminal, and the first driving output circuit and the second driving output circuit are respectively in butt joint with each other to drive an LED lamp group; the design of the parallel driving of the multiple lamp groups can meet different illumination requirements, the lamp groups operate independently, and even if a fault occurs in each individual lamp group, the minimum illumination can be guaranteed; meanwhile, through the design of the reserved wiring terminal, the driving output circuit and the LED lamp bank can be additionally arranged at any time, so that the later expansion is facilitated, and the original circuit structure is not required to be changed.
The rectifying and filtering circuit comprises a rectifying bridge BD1 and a filtering capacitor C1 connected to the output end of the rectifying bridge BD 1. The input circuit comprises a conjugate inductor LF1, a voltage dependent resistor VR1, a capacitor CX1, a resistor RX1 and an RX2, the input end of the conjugate inductor LF1 is connected with an AC-L, AC-N line and is connected with the voltage dependent resistor VR1, the output end of the conjugate inductor LF1 is connected with the input end of a rectifier bridge BD1, the capacitor CX1 is connected with the output end of the conjugate inductor LF1, the resistors RX1 and RX2 are connected in series and then are connected with the output end of the conjugate inductor LF1, a fuse F1 is connected to the side of the input end L of the conjugate inductor LF1, alternating-direct current conversion and surge suppression and filtering on the input voltage are achieved, and then a stable direct current voltage is provided for a subsequent hanging circuit through a first connection terminal.
In this embodiment, the first driving output circuit and the second driving output circuit have the same circuit structure; specifically, the method comprises the following steps: the first driving output circuit comprises a constant-current constant-voltage driving chip U1, a diode D1, an inductor T1, a capacitor C6, a capacitor C7 and an EC 1; the DRAIN pin of the constant-current constant-voltage driving chip U1 is connected to the input end of the driving output circuit and is connected to the output end of the driving output circuit through a capacitor C6; an FB pin, a VCC pin and a COMP pin of the constant-current and constant-voltage driving chip U1 are grounded through capacitors C3, C2 and C4 respectively; one end of each of resistors R5, R4 and R3 is grounded after being connected in series, the other end of each of the resistors is connected with an inductor T1, a connection point of the resistors R5 and R4 is connected with an FB pin of a constant-current and constant-voltage driving chip U1, a connection point of the resistor R3 and the inductor T1 is connected to the output end of a driving output circuit, and a connection point of the resistor R3 and the inductor T1 is grounded through a capacitor EC 1; the negative electrode of the diode D1 is connected with an ISP pin of a constant-voltage driving chip U1, the ISP pin is grounded through a resistor RS1, the positive electrode of the diode D1 is connected with the grounding end of a capacitor EC1, and two ends of the capacitor EC1 are connected with resistors R1 and R6 in parallel; the anode of the diode D1 is grounded through a capacitor C7, a resistor R7 and a resistor RS2, and the junction of the resistor R7 and the resistor RS2 is connected to the cathode of the diode D1.
The second driving output circuit comprises a constant-current constant-voltage driving chip U2, a diode D2, an inductor T2, a capacitor C11, a capacitor C10 and an EC 2; the DRAIN pin of the constant-current and constant-voltage driving chip U2 is connected to the input end of the driving output circuit and is connected to the output end of the driving output circuit through a capacitor C11; an FB pin, a VCC pin and a COMP pin of the constant-current and constant-voltage driving chip U2 are grounded through capacitors C9, C8 and C5 respectively; one end of each of resistors R2, R8 and R11 is grounded after being connected in series, the other end of each of the resistors is connected with an inductor T2, a connection point of the resistors R2 and R8 is connected with an FB pin of a constant-current and constant-voltage driving chip U2, a connection point of the resistor R11 and the inductor T2 is connected to the output end of a driving output circuit, and a connection point of the resistor R11 and the inductor T2 is grounded through a capacitor EC 2; the negative electrode of the diode D2 is connected with an ISP pin of the constant-current and constant-voltage driving chip U2, the ISP pin is grounded through a resistor RS3, the positive electrode of the diode D2 is connected with the grounding end of a capacitor EC2, and two ends of the capacitor EC2 are connected with resistors R11 and R10 in parallel; the anode of the diode D2 is grounded through a capacitor C10, a resistor R12 and a resistor RS4, and the junction of the resistor R12 and the resistor RS4 is connected to the cathode of the diode D2.
The first driving output circuit and the second driving output circuit are not limited to this, and different circuit structures may be adopted according to implementation requirements; and the first drive output circuit and the second drive output circuit can adopt a modular design and are packaged in a packaging body, and the second wiring terminal and a terminal connected with the LED lamp group are reserved outside.
The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.
Claims (7)
1. An expandable multi-lamp driving circuit, comprising: the LED lamp comprises an input circuit, a rectifying and filtering circuit and a plurality of driving output circuits connected in parallel to the output end of the rectifying and filtering circuit, wherein each driving output circuit is respectively in butt joint with and drives an LED lamp group; the output end of the rectifying and filtering circuit is provided with a first wiring terminal for hanging the driving output circuit, and the input end of each driving output circuit is respectively provided with a second wiring terminal which is matched and spliced with the first wiring terminal.
2. The scalable multi-lamp driver circuit of claim 1, wherein: the input circuit includes conjugate inductance LF1, piezo-resistor VR1, electric capacity CX1, resistance RX1 and RX2, AC-L, AC-N line is connected and is connect to conjugate inductance LF 1's input AC-L, AC-N line piezo-resistor VR1, rectifier and filter circuit's input is connected to conjugate inductance LF 1's output, electric capacity CX1 connects in conjugate inductance LF 1's output, parallelly connected reconnection in conjugate inductance LF 1's output with CX1 after resistance RX1 and RX2 establish ties.
3. The scalable multi-lamp driver circuit of claim 2, wherein: and a fuse F1 is connected to the AC-L line side of the input end of the conjugate inductor LF 1.
4. The scalable multi-lamp driver circuit of claim 1, wherein: the rectifying and filtering circuit comprises a rectifying bridge BD1 and a filtering capacitor C1 connected to the output end of the rectifying bridge BD 1.
5. The scalable multi-lamp driver circuit of claim 1, wherein: the driving output circuit at least comprises a first driving output circuit and a second driving output circuit, and the circuit structures of the first driving output circuit and the second driving output circuit are the same or different.
6. The scalable multi-lamp driver circuit of claim 5, wherein: the first driving output circuit comprises a constant-current constant-voltage driving chip U1, a diode D1, an inductor T1, a capacitor C6, a capacitor C7 and an EC 1; the DRAIN pin of the constant-current and constant-voltage driving chip U1 is connected to the input end of the driving output circuit and is connected to the output end of the driving output circuit through a capacitor C6; an FB pin, a VCC pin and a COMP pin of the constant-current and constant-voltage driving chip U1 are grounded through capacitors C3, C2 and C4 respectively; one end of each of resistors R5, R4 and R3 is grounded after being connected in series, the other end of each of the resistors is connected with an inductor T1, a connection point of the resistors R5 and R4 is connected with an FB pin of a constant-current and constant-voltage driving chip U1, a connection point of the resistor R3 and the inductor T1 is connected to the output end of a driving output circuit, and a connection point of the resistor R3 and the inductor T1 is grounded through a capacitor EC 1; the negative electrode of the diode D1 is connected with an ISP pin of the constant-current and constant-voltage driving chip U1, the ISP pin is grounded through a resistor RS1, the positive electrode of the diode D1 is connected with the grounding end of a capacitor EC1, and two ends of the capacitor EC1 are connected with resistors R1 and R6 in parallel; the anode of the diode D1 is grounded through a capacitor C7, a resistor R7 and a resistor RS2, and the junction of the resistor R7 and the resistor RS2 is connected to the cathode of the diode D1.
7. The scalable multi-lamp driver circuit of claim 5, wherein: the second driving output circuit comprises a constant-current constant-voltage driving chip U2, a diode D2, an inductor T2, a capacitor C11, a capacitor C10 and an EC 2; the DRAIN pin of the constant-current and constant-voltage driving chip U2 is connected to the input end of the driving output circuit and is connected to the output end of the driving output circuit through a capacitor C11; an FB pin, a VCC pin and a COMP pin of the constant-current and constant-voltage driving chip U2 are grounded through capacitors C9, C8 and C5 respectively; one end of each of resistors R2, R8 and R11 is grounded after being connected in series, the other end of each of the resistors is connected with an inductor T2, a connection point of the resistors R2 and R8 is connected with an FB pin of a constant-current and constant-voltage driving chip U2, a connection point of the resistor R11 and the inductor T2 is connected to the output end of a driving output circuit, and a connection point of the resistor R11 and the inductor T2 is grounded through a capacitor EC 2; the negative electrode of the diode D2 is connected with an ISP pin of a constant-current constant-voltage driving chip U2, the ISP pin is grounded through a resistor RS3, the positive electrode of the diode D2 is connected with the grounding end of a capacitor EC2, and two ends of the capacitor EC2 are connected with resistors R11 and R10 in parallel; the anode of the diode D2 is grounded through a capacitor C10, a resistor R12 and a resistor RS4, and the junction of the resistor R12 and the resistor RS4 is connected to the cathode of the diode D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220034513.4U CN217335968U (en) | 2022-01-07 | 2022-01-07 | Extensible multi-lamp-group driving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220034513.4U CN217335968U (en) | 2022-01-07 | 2022-01-07 | Extensible multi-lamp-group driving circuit |
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| Publication Number | Publication Date |
|---|---|
| CN217335968U true CN217335968U (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220034513.4U Active CN217335968U (en) | 2022-01-07 | 2022-01-07 | Extensible multi-lamp-group driving circuit |
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| CN (1) | CN217335968U (en) |
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- 2022-01-07 CN CN202220034513.4U patent/CN217335968U/en active Active
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