CN202444174U - Efficient and compact driving power supply used for diode pump laser - Google Patents
Efficient and compact driving power supply used for diode pump laser Download PDFInfo
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- CN202444174U CN202444174U CN2011204774412U CN201120477441U CN202444174U CN 202444174 U CN202444174 U CN 202444174U CN 2011204774412 U CN2011204774412 U CN 2011204774412U CN 201120477441 U CN201120477441 U CN 201120477441U CN 202444174 U CN202444174 U CN 202444174U
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- 238000001914 filtration Methods 0.000 claims abstract description 14
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000005086 pumping Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
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Abstract
The utility model relates to an efficient and compact driving power supply used for a diode pump laser. The efficient and compact driving power supply includes a voltage-reducing overcurrent-preventing circuit, a rectifying filtering circuit, a voltage-dividing current-limiting resistor R1, a time-delay protection switch S1, a tunable current-enlarging circuit, and a constant current output circuit. An input terminal of the voltage-reducing overcurrent-preventing circuit is connected with the national 220V-50HZ resident power. The driving power supply outputs the tunable constant current to a laser diode. The driving power supply is characterized in that the 220V-50HZ alternating current is converted into the 11V alternating current via the voltage-reducing overcurrent-preventing circuit, and the stable voltage is acquired via the rectifying filtering circuit; an output terminal of the rectifying filtering circuit is connected with the constant current output circuit and the tunable current-enlarging circuit via the voltage-dividing current-limiting resistor R1, and is connected with the time-delay protection switch S1. The power supply is efficient and reliable, and can output the constant current.
Description
Technical field
The utility model belongs to laser technology field, is a kind of power circuit, particularly a kind of driving power that is used for diode-pumped laser of efficient, compact.
Background technology
Diode pumping solid laser, be military applications or civilian all be present main flow laser.But the power supply of the type laser often size and weight is all bigger, and hear rate is also serious, has limited its application in a lot of fields.And stable for laser output power, preferably be operated in the low-voltage constant current state as the diode of pump light and guarantee that pumping light power is stable, also very high to the stability requirement of power supply.It is thus clear that reduce the drive source volume, improve electric current and voltage stability and conversion efficiency, improve heat dispersion, increase the range of application that the drive source unfailing performance enlarges diode pumping solid laser.
Summary of the invention
The purpose of the utility model provides a kind of driving power that is used for diode-pumped laser, and the constant current output when on the one hand reaching the diode steady operation makes on the other hand that whole power supply architecture is compact, efficient, reliability is high.
The technical scheme of the utility model is a kind of driving power that is used for diode-pumped laser of efficient, compact; It comprises step-down anti-overflow circuit, current rectifying and wave filtering circuit, current-limiting resistor voltage divider R1, delay protection switch S 1, tunable expansion current circuit, constant current output circuit; Step-down anti-overflow circuit input end is communicated with national 220V ~ 50HZ residential electricity consumption; Driving power is exported tunable constant current and is communicated with laser diode; It is characterized in that: the alternating current of 220V ~ 50HZ becomes the 11V alternating current through step-down anti-overflow circuit, obtains burning voltage through current rectifying and wave filtering circuit again; Rectification filter circuit output end is communicated with constant current output circuit, tunable expansion current circuit through current-limiting resistor voltage divider R1, and is connected with delay protection switch S 1; 7805 three-terminal voltage-stabilizing chips in the constant current output circuit obtain constant current as the 5V constant pressure source through resistance R 3, expand stream through tunable expansion current circuit again, and the electric current of regulating output through potentiometer R2 is to laser diode.
Described step-down anti-overflow circuit is to be connected on respectively in transformer and the secondary coil by a transformer and two PTC resistance to constitute.
Bridge circuit and a polar capacitor that described current rectifying and wave filtering circuit is made up of 4 diodes constitute.
Described tunable expansion current circuit is made up of a potentiometer R2 and a power tube.
Described constant current output circuit is one 7805 three-terminal voltage-stabilizing chip, and the input of 7805 chips is connected to an electric capacity, and output is connected to a resistance R 3 and an electric capacity.
The resistance of resistance R 1 is chosen between 0.5 Ω-1.5 Ω, and optimal selection is 1 Ω; The adjustable Standard resistance range of potentiometer R2 is at 0 Ω-5 Ω; The resistance of resistance R 3 is 1 Ω.
The characteristics of the utility model are to adopt 7805 integrated voltage stabilizing chips to add outer meeting resistance output constant current to have avoided complicated constant-current circuit to improve efficient; , adopt power tube potentiometer to replace fixed resistance to reach the tunable satisfied different demands of constant current of output when expanding stream; Traditional fuse can't be recovered after circuit fusing is broken off voluntarily, adopts PTC resistance after fault is got rid of, can automatically restore to operating state; For preventing that outside electric power network from fluctuation occurring and causing the core work component wear, delay protection switch protection circuit is arranged.
Description of drawings
To combine embodiment that the utility model is further described below.
Fig. 1 is a kind of circuit structure diagram of the driving power that is used for diode-pumped laser of efficient, compact.
Among the figure: 1, step-down anti-overflow circuit; 2, current rectifying and wave filtering circuit; 3, constant current output circuit; 4, tunable expansion current circuit; 5, laser diode.
Embodiment
As shown in Figure 1; Step-down anti-overflow circuit 1 is connected on respectively in transformer and the secondary coil by a transformer and two PTC resistance and constitutes; Its temperature raise when the PTC resistance of series connection had broken down the overcurrent generation as if the back circuit; Its resistance sharply raises thereupon, plays the restriction electric current, avoids damaging the components and parts in the circuit.Traditional fuse can't be recovered after circuit fusing is broken off voluntarily, adopts PTC resistance after fault is got rid of, and can automatically restore to operating state.
Bridge circuit and a polar capacitor that current rectifying and wave filtering circuit 2 is made up of 4 diodes constitute.Can obtain stable voltage through current rectifying and wave filtering circuit 2.
Constant current output circuit 3 is one 7805 three-terminal voltage-stabilizing chips, and the input of 7805 chips is connected to an electric capacity, and output is connected to a resistance R 3 and an electric capacity, and the resistance of R3 is 1 Ω.7805 integrated voltage stabilizing chips add outer meeting resistance output constant current and have avoided complicated constant-current circuit to improve efficient.
Tunable expansion current circuit 4 is made up of a potentiometer R2 and a power tube; The adjustable Standard resistance range of potentiometer R2 is at 0 Ω-5 Ω., adopt power tube potentiometer to reach the constant current of output, tunable satisfied different demands for fixed resistance when expanding stream for R2.
Step-down anti-overflow circuit 1 input is communicated with national 220V ~ 50HZ residential electricity consumption; And, obtain stable voltage through current rectifying and wave filtering circuit 2, then through receiving constant current output circuit 3 behind the current-limiting resistor voltage divider R1 at output 11V alternating current; The resistance of R1 is 1 Ω; The 7805 three-terminal voltage-stabilizing chips that are operated in suspended state obtain constant current as the 5V constant pressure source through resistance R 3, expand stream by tunable expansion current circuit 4 again, can regulate final output current to laser diode through potentiometer R2.
Between current rectifying and wave filtering circuit 2 and the constant current output circuit 3 delay protection switch S 1 is installed.During delay protection switch S 1 closure the back short circuit is protected, when fluctuation appears in outside electric power network, can not caused the damage of 7805 chips, power tube and diode.
Claims (6)
1. the driving power that is used for diode-pumped laser of efficient a, compact; It comprises step-down anti-overflow circuit, current rectifying and wave filtering circuit, current-limiting resistor voltage divider R1, delay protection switch S 1, tunable expansion current circuit, constant current output circuit; Step-down anti-overflow circuit input end is communicated with national 220V ~ 50HZ residential electricity consumption; Driving power is exported tunable constant current and is communicated with laser diode; It is characterized in that: the alternating current of 220V ~ 50HZ becomes the 11V alternating current through step-down anti-overflow circuit, obtains burning voltage through current rectifying and wave filtering circuit again; Rectification filter circuit output end is communicated with constant current output circuit, tunable expansion current circuit through current-limiting resistor voltage divider R1, and is connected with delay protection switch S 1; 7805 three-terminal voltage-stabilizing chips in the constant current output circuit obtain constant current as the 5V constant pressure source through resistance R 3, expand stream through tunable expansion current circuit again, and the electric current of regulating output through potentiometer R2 is to laser diode.
2. according to the driving power that is used for diode-pumped laser of a kind of efficient, the compact described in the claim 1, it is characterized in that: described step-down anti-overflow circuit is to be connected on respectively in transformer and the secondary coil by a transformer and two PTC resistance to constitute.
3. the driving power that is used for diode-pumped laser of a kind of efficient, compact according to claim 1, it is characterized in that: bridge circuit and a polar capacitor that described current rectifying and wave filtering circuit is made up of 4 diodes constitute.
4. the driving power that is used for diode-pumped laser of a kind of efficient, compact according to claim 1, it is characterized in that: described tunable expansion current circuit is made up of a potentiometer and a power tube.
5. the driving power that is used for diode-pumped laser of a kind of efficient, compact according to claim 1; It is characterized in that: described constant current output circuit is one 7805 three-terminal voltage-stabilizing chip; And the input of 7805 chips is connected to an electric capacity, and output is connected to a resistance R 3 and an electric capacity.
6. according to the driving power that is used for diode-pumped laser of any described a kind of efficient, compact in the claim 1 to 5, it is characterized in that: the resistance of resistance R 1 is chosen between 0.5 Ω-1.5 Ω; The adjustable Standard resistance range of potentiometer R2 is at 0 Ω-5 Ω; The resistance of resistance R 3 is 1 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204774412U CN202444174U (en) | 2011-11-26 | 2011-11-26 | Efficient and compact driving power supply used for diode pump laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204774412U CN202444174U (en) | 2011-11-26 | 2011-11-26 | Efficient and compact driving power supply used for diode pump laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202444174U true CN202444174U (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204774412U Expired - Fee Related CN202444174U (en) | 2011-11-26 | 2011-11-26 | Efficient and compact driving power supply used for diode pump laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202444174U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103138225A (en) * | 2011-11-28 | 2013-06-05 | 西安电子科技大学 | Design method of driving source of diode pumped laser |
| CN106787844A (en) * | 2016-06-21 | 2017-05-31 | 中国工程物理研究院应用电子学研究所 | Compact laser power supply |
-
2011
- 2011-11-26 CN CN2011204774412U patent/CN202444174U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103138225A (en) * | 2011-11-28 | 2013-06-05 | 西安电子科技大学 | Design method of driving source of diode pumped laser |
| CN106787844A (en) * | 2016-06-21 | 2017-05-31 | 中国工程物理研究院应用电子学研究所 | Compact laser power supply |
| CN106787844B (en) * | 2016-06-21 | 2023-06-30 | 中国工程物理研究院应用电子学研究所 | Compact laser power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XI-AN UNIV. OF ELECTRONIC SCIENCE AND TECHNOLOGY Free format text: FORMER OWNER: YAO BOSHENG Effective date: 20120924 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710300 XI AN, SHAANXI PROVINCE TO: 710071 XI AN, SHAANXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120924 Address after: Taibai Road Shaanxi Yanta District 710071 city of Xi'an province No. 2 Patentee after: Xidian University Address before: 710300 Shaanxi city of Xi'an province Huxian Fengjing Road No. 122 Patentee before: Yao Bosheng |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20131126 |