An adjustable constant current output power supply module and its realization method
A power module and constant current output technology, which is applied in the field of constant current output power modules, can solve problems such as poor compatibility of constant current power supplies, and achieve the effect of wide application range and strong compatibility
Active Publication Date: 2019-09-13
四川虹锐电工有限责任公司
View PDF4 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] The technical problem to be solved by the present invention is: to propose an adjustable constant current output power supply module and its implementation method to solve the problem of poor compatibility of constant current power supply in the traditional technology
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0013] The invention aims to provide an adjustable constant current output power supply module and its realization method, so as to solve the problem of poor compatibility of the constant current power supply in the traditional technology. Below in conjunction with accompanying drawing and embodiment the scheme of the present invention will be further described:
[0014] Such as figure 1 As shown, the adjustable constant current output power supply module in this embodiment includes: first to sixth resistors, first to fourth capacitors, diodes, Zener diodes, triodes, single-chip microcomputers, operational amplifiers, and first and second control line;
[0015] The base of the triode Q1 is connected to the power supply voltage through the Zener diode ZD1, and grounded through the second resistor R2; its emitter is connected to the power supply voltage through the first resistor R1; its collector is grounded through the third resistor R3 and the fourth resistor R4 ; The first...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to power supply output control, which discloses an adjustable constant current output power supply module, which solves the problem of poor compatibility of the constant current power supply in the traditional technology. The constant current output power supply module includes: resistor R1‑R6, capacitor C1‑C4, diode D1, Zener diode ZD1, transistor Q1, single-chip microcomputer U1, operational amplifier U2, and first and second control lines; the base of transistor Q1 passes through ZD1 is connected to the power supply voltage and grounded through R2; its emitter is connected to the power supply voltage through R1; its collector is grounded through R3 and R4; C1 and C2 are connected in parallel between the two ends of R3 and the ground; the first control line is connected to R3 through D1 ; The second control line is connected to one end of R4, and the other end of R4 is connected to the input end of the single-chip microcomputer U1; the output end of U1 is grounded through R5 and R6; C3 is connected between the output end of the single-chip microcomputer U1 and the ground; the C4 and R6 are connected in parallel It is also connected to one input terminal of the operational amplifier U2, and the other input terminal of the operational amplifier U2 samples the output current; the output terminal of U2 is the output of the power module.
Description
technical field [0001] The invention relates to power output control, in particular to an adjustable constant current output power module and a realization method. Background technique [0002] At present, LED street lamp power supplies on the market are generally constant current or constant voltage output, which have specific requirements for the driven load. When the load changes, the power supply needs to be redesigned, which increases the cost. Therefore, the power supply compatibility in traditional technology is poor. Contents of the invention [0003] The technical problem to be solved by the present invention is to propose an adjustable constant current output power supply module and a realization method to solve the problem of poor compatibility of the constant current power supply in the traditional technology. [0004] The technical solution adopted by the present invention to solve its technical problems is: [0005] An adjustable constant current output powe...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): H05B33/08H05B44/00
CPCH05B45/40H05B45/10
Inventor 邢义斌冯志刚
Owner 四川虹锐电工有限责任公司