CN216650060U - 0-10V current conversion module - Google Patents
0-10V current conversion module Download PDFInfo
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- CN216650060U CN216650060U CN202123036281.0U CN202123036281U CN216650060U CN 216650060 U CN216650060 U CN 216650060U CN 202123036281 U CN202123036281 U CN 202123036281U CN 216650060 U CN216650060 U CN 216650060U
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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 discloses a 0-10V current conversion module, and relates to the technical field of LED (light-emitting diode) driving circuits. The utility model adopts a 0-10V analog signal to change current aiming at a waterproof constant current 0-10V power supply, adopts single chip microcomputer control, and an external current changing module to output a 0-10V signal and a current changing 12V signal. The maximum value of the analog signals of different driving DC-DC signals is set by detecting different signal voltages through starting, so that the maximum current of the driving is changed to realize the function of changing the current.
Description
Technical Field
The utility model relates to the technical field of LED driving circuits, in particular to a 0-10V current conversion module.
Background
The 0-10V constant current power supply is used for driving a DC-DC chip to output constant current through analog signals, and the traditional waterproof power supply only has a first-grade power supply due to the encapsulating and waterproof IP grade. Digital dimming can send an instruction to adjust current through a digital signal line, an external dial code can be added to a non-waterproof power supply to change the DC-DC reference resistance to change the power supply output, and the requirement can be met only by changing hardware before glue pouring every time in a waterproof mode.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of how to provide a 0-10V current conversion module which can conveniently realize current change and improve the use convenience.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a 0-10V current conversion module, comprising: a chip U11, a DM + input end of the conversion module is divided into two paths after passing through a resistor R20, the first path is grounded through a capacitor C16, the second path is connected with the cathode of a diode D8, the anode of the diode D8 is divided into three paths, the first path is grounded through a resistor R33, the second path is grounded through a diode D9, the third path is connected with the 4 feet of the U11, the 4 pins of the U11 are divided into two paths, the first path is grounded through a capacitor C15, the second path is connected with a power supply PVDD, the pin 5 of the U11 is grounded, the pin 8 of the U11 is grounded through a capacitor C14, the pin 6 of the U11 is connected with the pin 1 of the chip U13 through a resistor R12, the pin 2 of the U13 is grounded, the pin 4 of the U13 is connected with a power supply VCC, the pin 3 of the U13 is divided into two paths, the first path is grounded through a resistor R25, the second path is connected with one end of a resistor R28, the other end of the resistor R28 is divided into two paths, the first path is grounded through a capacitor C12, and the second path is connected with a pin 10 of a chip U3; the 12V power supply is divided into two paths after passing through a diode D1, the first path is grounded through a resistor R16, the second path is connected with a pin 1 of a chip U5 through a resistor R5, a pin 2 of the U5 is grounded, and a pin 4 of the U5 is connected with a power supply VCC; the 3 feet of U5 divide into two the tunnel, and first road is through resistance R15 ground connection, and the second road is connected with resistance R14's one end, resistance R14's the other end divide into two the tunnel, and first road is through electric capacity C8 ground connection, the second road with U3's 5 feet are connected, U3's 13 feet divide into two the tunnel, and first road is through resistance R9 ground connection, and the second road is connected with triode Q1's base through resistance R4, Q1's base is through electric capacity C6 ground connection, triode Q1's collecting electrode power, Q1's projecting pole divide into two the tunnel behind resistance R2, and first road is through resistance R1 ground connection, and the second road is the output of transform module, U3's 20 feet with the output of transform module is connected.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the conversion module adopts a singlechip for control and an external current changing module and outputs a 0-10V signal and a current changing 12V signal. The maximum value of the analog signal of different driving DC-DC signals is set by detecting different signal voltages through starting, so that the maximum current of the driving is changed to realize the function of changing the current.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIGS. 1-4 are partial schematic diagrams of circuits according to embodiments of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1, the embodiment of the present invention discloses a 0-10V current conversion module, which includes a chip U11, wherein a DM + input terminal of the conversion module is divided into two paths through a resistor R20, a first path is grounded through a capacitor C16, a second path is connected to a cathode of a diode D8, an anode of the diode D8 is divided into three paths, the first path is grounded through a resistor R33, the second path is grounded through a diode D9, the third path is grounded through a diode D9, and is connected to a pin 4 of the U11, a pin 4 of the U11 is divided into two paths, the first path is grounded through a capacitor C15, the second path is connected to a power supply PVDD, a pin 5 of the U11 is grounded, a pin 8 of the U11 is grounded through a capacitor C14, a pin 6 of the U11 is connected to a pin 1 of the chip U13 through a resistor R12, a pin 2 of the U13 is grounded, a pin 4 of the U13 is connected to a power supply VCC, a pin 3 of the U13 is divided into two paths, a first path is grounded, a pin of the resistor R25, a first path is connected to the other end of the resistor R28, and another end of the resistor R28 is connected to the resistor R28, the first path is grounded through a capacitor C12, and the second path is connected with a pin 10 of a chip U3; the 12V power supply is divided into two paths after passing through a diode D1, the first path is grounded through a resistor R16, the second path is connected with a pin 1 of a chip U5 through a resistor R5, a pin 2 of the U5 is grounded, and a pin 4 of the U5 is connected with a power supply VCC; the 3 feet of U5 divide into two the tunnel, and first road is through resistance R15 ground connection, and the second road is connected with resistance R14's one end, resistance R14's the other end divide into two the tunnel, and first road is through electric capacity C8 ground connection, the second road with U3's 5 feet are connected, U3's 13 feet divide into two the tunnel, and first road is through resistance R9 ground connection, and the second road is connected with triode Q1's base through resistance R4, Q1's base is through electric capacity C6 ground connection, triode Q1's collecting electrode power, Q1's projecting pole divide into two the tunnel behind resistance R2, and first road is through resistance R1 ground connection, and the second road is the output of transform module, U3's 20 feet with the output of transform module is connected.
When a 12V signal is input into the 0-10V current conversion module, the optocoupler U5 sends a high level to the singlechip U3, the singlechip U3 detects that the high level enters a current change mode, and the dimming signal of 0-10V is connected during normal use, so that the dimming mode is not connected with the 12V signal and is in the dimming mode. Analog signals are converted into a PWM chip U11, and an optical coupler U13 is isolated and then integrated to a single chip microcomputer U3. The singlechip U3 receives the integrated voltage signal, if the 12V signal exists at the moment, the writing operation in the FLASH is executed, the writing operation is written into the ROM area of the singlechip, and then the output is executed. If the voltage signal is not connected with the 12V signal, the power is turned on to directly read the FLASH operation, the maximum current value is read, and the PWM signal is output according to the voltage signal sampled by the single chip microcomputer to control the DC-DC chip to realize the dimming function.
The utility model adopts a 0-10V analog signal to change current aiming at a waterproof constant current 0-10V power supply, adopts single chip microcomputer control, and an external current changing module to output a 0-10V signal and a current changing 12V signal. The maximum value of the analog signal of different driving DC-DC signals is set by detecting different signal voltages through starting, so that the maximum current of the driving is changed to realize the function of changing the current.
Claims (1)
1. A 0-10V current conversion module, comprising: a chip U11, a DM + input end of the conversion module is divided into two paths after passing through a resistor R20, the first path is grounded through a capacitor C16, the second path is connected with the cathode of a diode D8, the anode of the diode D8 is divided into three paths, the first path is grounded through a resistor R33, the second path is grounded through a diode D9, the third path is connected with the 4 feet of the U11, the 4 pins of the U11 are divided into two paths, the first path is grounded through a capacitor C15, the second path is connected with a power supply PVDD, the pin 5 of the U11 is grounded, the pin 8 of the U11 is grounded through a capacitor C14, the pin 6 of the U11 is connected with the pin 1 of the chip U13 through a resistor R12, the pin 2 of the U13 is grounded, the pin 4 of the U13 is connected with a power supply VCC, the pin 3 of the U13 is divided into two paths, the first path is grounded through a resistor R25, the second path is connected with one end of a resistor R28, the other end of the resistor R28 is divided into two paths, the first path is grounded through a capacitor C12, and the second path is connected with a pin 10 of a chip U3; the 12V power supply is divided into two paths after passing through a diode D1, the first path is grounded through a resistor R16, the second path is connected with a pin 1 of a chip U5 through a resistor R5, a pin 2 of the U5 is grounded, and a pin 4 of the U5 is connected with a power supply VCC; the 3 feet of U5 divide into two the tunnel, and first road is through resistance R15 ground connection, and the second road is connected with resistance R14's one end, resistance R14's the other end divide into two the tunnel, and first road is through electric capacity C8 ground connection, the second road with U3's 5 feet are connected, U3's 13 feet divide into two the tunnel, and first road is through resistance R9 ground connection, and the second road is connected with triode Q1's base through resistance R4, Q1's base is through electric capacity C6 ground connection, triode Q1's collecting electrode power, Q1's projecting pole divide into two the tunnel behind resistance R2, and first road is through resistance R1 ground connection, and the second road is the output of transform module, U3's 20 feet with the output of transform module is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123036281.0U CN216650060U (en) | 2021-12-06 | 2021-12-06 | 0-10V current conversion module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123036281.0U CN216650060U (en) | 2021-12-06 | 2021-12-06 | 0-10V current conversion module |
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| Publication Number | Publication Date |
|---|---|
| CN216650060U true CN216650060U (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123036281.0U Active CN216650060U (en) | 2021-12-06 | 2021-12-06 | 0-10V current conversion module |
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|---|---|
| CN (1) | CN216650060U (en) |
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2021
- 2021-12-06 CN CN202123036281.0U patent/CN216650060U/en active Active
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