CN105356736A - Laser power supply storage energy discharge system - Google Patents
Laser power supply storage energy discharge system Download PDFInfo
- Publication number
- CN105356736A CN105356736A CN201510886022.7A CN201510886022A CN105356736A CN 105356736 A CN105356736 A CN 105356736A CN 201510886022 A CN201510886022 A CN 201510886022A CN 105356736 A CN105356736 A CN 105356736A
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- Prior art keywords
- laser power
- triode
- power devices
- switching tube
- electronic switching
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/322—Means for rapidly discharging a capacitor of the converter for protecting electrical components or for preventing electrical shock
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Semiconductor Lasers (AREA)
- Lasers (AREA)
Abstract
The invention relates to a laser power supply storage energy discharge system, and belongs to the technical field of a laser power supply. The discharge system comprises a power-down detection circuit, a trigger circuit and a discharge circuit, wherein the discharge circuit comprises an electronic switch tube and a depletion resistor which are connected in series, the power-down detection circuit is energized by a laser power source for detecting whether the laser power source is powered on and outputting one low-level signal when the laser power source is powered on, the control end of the electronic switch tube is arranged to at low level, the electronic switch tube is enabled to be at a closed state, the discharge circuit is disconnected, the trigger circuit is used for outputting one high-level signal when the laser power source is powered down, the control end of the electronic switch tube is arranged to be at high level, and the electronic switch tube is enabled to be at a conduction state, i.e., the discharge circuit is unlatched, such that energy in an energy storage device is discharged after the laser power source is powered down. According to the invention, the problem of the stored energy when the laser power source is powered down is solved, the laser engineering applicability and real-time performance are also quite good, and the circuit is simple and is easy to realize.
Description
Technical field
The present invention relates to a kind of Laser Power Devices storage power bleed-off system, belong to Laser Power Devices technical field.
Background technology
Laser Power Devices, in order to the instantaneous pump energy of laser, need storage power in advance.According to the difference of laser power, storage power generally tens to joule up to a hundred, voltage is between 1 hundred to two hectovolt.After Laser Power Devices stop and lower electricity works, accumulator can store the energy of last charging, if do not released, can be retained in circuit for a long time.Adverse influence is produced to the safety of relevant staff and the life-span of Laser Power Devices product.Therefore, under Laser Power Devices after electricity, useless storage power of releasing is necessary.
Summary of the invention
The object of this invention is to provide a kind of Laser Power Devices storage power bleed-off system, to solve in current Laser Power Devices accumulator because energy is not released the problem causing Laser Power Devices life of product to reduce in time.
The present invention provides a kind of Laser Power Devices storage power bleed-off system for solving the problems of the technologies described above, this bleed-off system comprises lower power detection circuit, circuits for triggering and leadage circuit, described leadage circuit comprises dead resistance device and electronic switching tube, described electronic switching tube connect with dead resistance device after for being connected to Laser Power Devices energy accumulator two ends, described lower power detection circuit is powered by Laser Power Devices, whether power on for detection laser power supply, and a low-potential signal is exported when Laser Power Devices power on, electronic switching tube control end is set to low level, electronic switching tube is made to be in closed condition, disconnect leadage circuit, described circuits for triggering export a high potential signal when being used for electricity under Laser Power Devices, electronic switching tube control end is set to high level, electronic switching tube is made to be in conducting state.
Described circuits for triggering comprise resistor R3, R4, R5, capacitor C1 and diode V4 and triode V5, the positive pole of diode V4 is for being connected to the output of Laser Power Devices, 15V is provided to power by Laser Power Devices, the negative pole of diode V4 is by capacitor C1 ground connection, the negative pole of diode is also connected to the base stage of triode V5 by resistor R3, the emitter of triode V5 is by resistor R5 ground connection, the emitter of triode V5 is also connected with the control end of electronic switching tube in leadage circuit with between resistor R5, the collector electrode of triode V5 is connected to the negative pole of diode V4 by resistor R4.
Described testing circuit is made up of diode V1, triode V2, V3 and resistance R1, R2, the negative pole of diode V1 is connected to the output of Laser Power Devices by R1,15V is provided to power by Laser Power Devices, the anode of diode V1 is connected to the base stage of triode V2, the collector electrode of triode V2 is connected to the base stage of triode V3, the base stage of triode V3 is also connected with the output of Laser Power Devices by resistance R2, the collector electrode of triode V3 is connected to the control end of electronic switching tube in leadage circuit, the equal ground connection of emitter of triode V2 and triode V3.
Electronic switching tube in described leadage circuit adopts the metal-oxide-semiconductor of N raceway groove, and the source ground of this metal-oxide-semiconductor, drains by dead resistance device for being connected to Laser Power Devices energy accumulator, and grid is connected with the collector electrode of triode V3 in testing circuit.
Described metal-oxide-semiconductor source electrode and drain electrode between and be connected to diode.
The invention has the beneficial effects as follows: bleed-off system of the present invention comprises lower power detection circuit, circuits for triggering and leadage circuit, wherein leadage circuit series connection electronic switching tube and dead resistance device, lower power detection circuit is powered by Laser Power Devices, whether power on for detection laser power supply, and a low-potential signal is exported when Laser Power Devices power on, electronic switching tube control end is set to low level, electronic switching tube is made to be in closed condition, disconnect leadage circuit, circuits for triggering export a high potential signal when being used for electricity under Laser Power Devices, electronic switching tube control end is set to high level, electronic switching tube is made to be in conducting state, namely leadage circuit is opened, releasing to energy in its energy accumulator is achieved after electricity under Laser Power Devices.Time electric under the invention solves Laser Power Devices, the problem of releasing of storage power, has again good laser engineering applicability, real-time, and circuit is simple and easy to realize.
Accompanying drawing explanation
Fig. 1 is Laser Power Devices energy storage capacity leadage circuit schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
Laser Power Devices storage power bleed-off system of the present invention comprises lower power detection circuit, circuits for triggering and leadage circuit, wherein leadage circuit comprises dead resistance device and electronic switching tube, electronic switching tube connect with dead resistance device after for being connected to Laser Power Devices energy accumulator two ends; Whether lower power detection circuit is powered by Laser Power Devices, power on for detection laser power supply, and exports a low-potential signal when Laser Power Devices power on, and electronic switching tube control end is set to low level, makes electronic switching tube be in closed condition, disconnects leadage circuit; Circuits for triggering export a high potential signal when being used for electricity under Laser Power Devices, electronic switching tube control end is set to high level, makes electronic switching tube be in conducting state, open leadage circuit.Thus realize when under Laser Power Devices, electricity does not work, open leadage circuit by circuits for triggering to release to the energy in Laser Power Devices energy accumulator, when Laser Power Devices work on power, produce one by testing circuit and export a low-potential signal, electronic switching tube control end is set to low level signal, make electronic switching tube be in closed condition, make leadage circuit be in resting state when Laser Power Devices work, do not produce energy consumption.
The particular circuit configurations of the Laser Power Devices storage power bleed-off system in the present embodiment as shown in Figure 1.Wherein descend power detection circuit also to realize by other modes, such as, adopt the mode of divider resistance to realize.The lower some testing circuit provided in the present embodiment is by diode V1, triode V2, V3 and resistance R1, R2 is formed, wherein the negative pole of diode V1 is connected to the output of Laser Power Devices by R1, 15V is provided to power by Laser Power Devices, the anode of diode V1 is connected to the base stage of triode V2, the collector electrode of triode V2 is connected to the base stage of triode V3, the base stage of triode V3 is also connected with the output of Laser Power Devices by resistance R2 simultaneously, the equal ground connection of emitter of triode V2 and triode V3, the collector electrode of triode V3 is connected to the control end of electronic switching tube in leadage circuit.Testing circuit is while Laser Power Devices power on, 15V is provided to power by Laser Power Devices, work on power, by resistance R1, V1 control V2 conducting, by R2, V2 control V3 conducting, the collector electrode of V3 exports electronegative potential, and the electronic switching tube control end in leadage circuit is set to low level, make electronic switching tube be in closed condition, make leadage circuit be in off-state; When under Laser Power Devices, electricity quits work, namely 15V powers closedown, and testing circuit cannot work, and V2 turns off, and then V3 turns off, and the pressure relieving electronic switching tube control end controls low-potential signal.
Circuits for triggering are by resistor R3-R5, capacitor C1, C2 and diode V4, triode V5 is formed, the positive pole of diode V4 is for being connected to the output of Laser Power Devices, 15V is provided to power by Laser Power Devices, the negative pole of diode V4 is by capacitor C1 ground connection, the negative pole of diode is also connected to the base stage of triode V5 by resistor R3, the emitter of triode V5 is by resistor R5 ground connection, resistor R5 two ends are also connected to electric capacity C2, the emitter of triode V5 is also connected with the control end of electronic switching tube in leadage circuit with between resistor R5, the collector electrode of triode V5 is connected to the negative pole of diode V4 by resistor R4.When Laser Power Devices work on power, Laser Power Devices provide the operating voltage of 15V for circuits for triggering, charge to the capacitor C1 in circuits for triggering, when electric under Laser Power Devices, Laser Power Devices do not reoffer corresponding operating voltage, now, due to the capacitor C1 in circuits for triggering remaining with remaining electricity, control V5 conducting, V5 and resistor R5 forms path, and namely V5 emitter forms high potential, and electronic switching tube control end is high potential, make leadage circuit conducting, start working.
Circuits for triggering, while Laser Power Devices power on, provide 15V to power by Laser Power Devices, work on power.Capacitor C1 charges to predetermined state; Quit work at Laser Power Devices, while lower electricity, 15V powers closedown, due to the effect of diode V4, capacitor C1 remains with remaining electricity, control V5 conducting, produces triggering signal
Electronic switching tube in leadage circuit adopts the metal-oxide-semiconductor V6 of N raceway groove, the source ground of this metal-oxide-semiconductor V6, drain by dead resistance device for being connected to Laser Power Devices energy accumulator, grid is connected with the collector electrode of triode V3 in testing circuit, metal-oxide-semiconductor V6 source electrode and drain electrode between and be connected to diode V7.
The operation principle of this Laser Power Devices storage power bleed-off system is as follows: the power-up state of lower power detection circuit to Laser Power Devices detects, when Laser Power Devices be in work on power state time, namely Laser Power Devices provide 15V to power for lower power detection circuit, this lower electro-detection is by resistance R1, V1 control V2 conducting, by R2, V2 control V3 conducting, the collector electrode of V3 exports electronegative potential, electronic switching tube control end in leadage circuit is set to low level, make electronic switching tube be in closed condition, make leadage circuit be in off-state, circuits for triggering, while Laser Power Devices power on, provide 15V to power by Laser Power Devices, and the C1 in circuits for triggering starts charging, when under Laser Power Devices, electricity quits work, namely 15V powers closedown, testing circuit cannot work, V2 turns off, and then V3 turns off, the pressure relieving electronic switching tube control end controls low-potential signal, and now, circuits for triggering are due to the effect of diode V4, capacitor C1 in circuits for triggering remains with remaining electricity, control V5 conducting, V5 and resistor R5 forms path, namely V5 emitter forms high potential, the grid of metal-oxide-semiconductor V6 is set to high potential, metal-oxide-semiconductor V6 conducting, leadage circuit is started working, thus when achieving that electricity does not work under Laser Power Devices, energy in Laser Power Devices energy accumulator is released.
Claims (5)
1. a Laser Power Devices storage power bleed-off system, it is characterized in that, this bleed-off system comprises lower power detection circuit, circuits for triggering and leadage circuit, described leadage circuit comprises dead resistance device and electronic switching tube, described electronic switching tube connect with dead resistance device after for being connected to Laser Power Devices energy accumulator two ends, described lower power detection circuit is powered by Laser Power Devices, whether power on for detection laser power supply, and a low-potential signal is exported when Laser Power Devices power on, electronic switching tube control end is set to low level, electronic switching tube is made to be in closed condition, disconnect leadage circuit, described circuits for triggering export a high potential signal when being used for electricity under Laser Power Devices, electronic switching tube control end is set to high level, electronic switching tube is made to be in conducting state.
2. Laser Power Devices storage power bleed-off system according to claim 1, it is characterized in that, described circuits for triggering comprise resistor R3, R4, R5, capacitor C1 and diode V4 and triode V5, the positive pole of diode V4 is for being connected to the output of Laser Power Devices, 15V is provided to power by Laser Power Devices, the negative pole of diode V4 is by capacitor C1 ground connection, the negative pole of diode is also connected to the base stage of triode V5 by resistor R3, the emitter of triode V5 is by resistor R5 ground connection, the emitter of triode V5 is also connected with the control end of electronic switching tube in leadage circuit with between resistor R5, the collector electrode of triode V5 is connected to the negative pole of diode V4 by resistor R4.
3. Laser Power Devices storage power bleed-off system according to claim 2, it is characterized in that, described testing circuit is by diode V1, triode V2, V3 and resistance R1, R2 is formed, the negative pole of diode V1 is connected to the output of Laser Power Devices by R1, 15V is provided to power by Laser Power Devices, the anode of diode V1 is connected to the base stage of triode V2, the collector electrode of triode V2 is connected to the base stage of triode V3, the base stage of triode V3 is also connected with the output of Laser Power Devices by resistance R2, the collector electrode of triode V3 is connected to the control end of electronic switching tube in leadage circuit, the equal ground connection of emitter of triode V2 and triode V3.
4. Laser Power Devices storage power bleed-off system according to claim 3, it is characterized in that, electronic switching tube in described leadage circuit adopts the metal-oxide-semiconductor of N raceway groove, the source ground of this metal-oxide-semiconductor, drain electrode is by dead resistance device for being connected to Laser Power Devices energy accumulator, and grid is connected with the collector electrode of triode V3 in testing circuit.
5. Laser Power Devices storage power bleed-off system according to claim 2, is characterized in that, described metal-oxide-semiconductor source electrode and drain electrode between and be connected to diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886022.7A CN105356736B (en) | 2015-12-03 | 2015-12-03 | A kind of Laser Power Devices store energy bleed-off system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886022.7A CN105356736B (en) | 2015-12-03 | 2015-12-03 | A kind of Laser Power Devices store energy bleed-off system |
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| Publication Number | Publication Date |
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| CN105356736A true CN105356736A (en) | 2016-02-24 |
| CN105356736B CN105356736B (en) | 2018-02-13 |
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| CN201510886022.7A Active CN105356736B (en) | 2015-12-03 | 2015-12-03 | A kind of Laser Power Devices store energy bleed-off system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888062A (en) * | 2017-11-02 | 2018-04-06 | 湖北三江航天万峰科技发展有限公司 | A kind of high-power corona discharge devices |
| CN113410982A (en) * | 2021-08-19 | 2021-09-17 | 浙江富特科技股份有限公司 | Discharging module of charging pile system and method for executing active discharging |
| CN117526080A (en) * | 2024-01-08 | 2024-02-06 | 合肥金星智控科技股份有限公司 | Laser and control protection circuit thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201976079U (en) * | 2011-03-23 | 2011-09-14 | 深圳创维－Rgb电子有限公司 | Resetting circuit and television comprising same |
| CN202712957U (en) * | 2012-05-16 | 2013-01-30 | 洛阳隆盛科技有限责任公司 | Power down maintenance circuit of direct current power supply |
| CN103683881A (en) * | 2013-11-21 | 2014-03-26 | 福建星网锐捷网络有限公司 | Circuit for quickening powering down of power supply |
| CN204442163U (en) * | 2015-04-09 | 2015-07-01 | 广东工业大学 | The quick active leadage circuit of AC-DC driver output filter capacitor |
-
2015
- 2015-12-03 CN CN201510886022.7A patent/CN105356736B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201976079U (en) * | 2011-03-23 | 2011-09-14 | 深圳创维－Rgb电子有限公司 | Resetting circuit and television comprising same |
| CN202712957U (en) * | 2012-05-16 | 2013-01-30 | 洛阳隆盛科技有限责任公司 | Power down maintenance circuit of direct current power supply |
| CN103683881A (en) * | 2013-11-21 | 2014-03-26 | 福建星网锐捷网络有限公司 | Circuit for quickening powering down of power supply |
| CN204442163U (en) * | 2015-04-09 | 2015-07-01 | 广东工业大学 | The quick active leadage circuit of AC-DC driver output filter capacitor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888062A (en) * | 2017-11-02 | 2018-04-06 | 湖北三江航天万峰科技发展有限公司 | A kind of high-power corona discharge devices |
| CN113410982A (en) * | 2021-08-19 | 2021-09-17 | 浙江富特科技股份有限公司 | Discharging module of charging pile system and method for executing active discharging |
| CN113410982B (en) * | 2021-08-19 | 2021-11-23 | 浙江富特科技股份有限公司 | Discharging module of charging pile system and method for executing active discharging |
| CN117526080A (en) * | 2024-01-08 | 2024-02-06 | 合肥金星智控科技股份有限公司 | Laser and control protection circuit thereof |
| CN117526080B (en) * | 2024-01-08 | 2024-05-17 | 合肥金星智控科技股份有限公司 | Laser and control protection circuit thereof |
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| Publication number | Publication date |
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| CN105356736B (en) | 2018-02-13 |
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