CN109038198A - A kind of laser die set of direct green laser pipe - Google Patents
A kind of laser die set of direct green laser pipe Download PDFInfo
- Publication number
- CN109038198A CN109038198A CN201810949602.XA CN201810949602A CN109038198A CN 109038198 A CN109038198 A CN 109038198A CN 201810949602 A CN201810949602 A CN 201810949602A CN 109038198 A CN109038198 A CN 109038198A
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- laser
- circuit
- connect
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- pin
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Semiconductor Lasers (AREA)
Abstract
The present invention relates to field of photoelectric technology, disclose a kind of laser die set of direct green laser pipe, including power supply, low-voltage circuit plate and mode of laser group；Low-voltage circuit plate includes first input port, the second input port, fills energy circuit, chip circuit and laser circuit, first input port, the second input port are electrically connected with external power supply, it fills energy circuit to connect with first input port, the second input port and chip circuit respectively, chip circuit is connect with laser circuit；Power supply is connect with low-voltage circuit plate, and low-voltage circuit plate is connect with mode of laser group.The present invention overcomes energy losses caused by booster circuit in the prior art, and the fever of laser die set to be caused to eventually cause the unstable defect of laser, improves the transfer efficiency to electric energy, reduces entire mode of laser group calorific value, to improve the stability of laser.
Description
Technical field
The present invention relates to field of photoelectric technology, in particular to a kind of laser die set of direct green laser pipe.
Background technique
Laser leveler is a kind of measuring tool, applies to the fields such as mapping, engineering, decoration, production and processing, and effect is
The horizontal line determined by centrifugal force, and the vertical line with the horizontal line can be launched.User is by laser rays
Or laser rays intersect with laser rays after the plane that is formed carry out work as benchmark.
The color of laser used in laser leveler has red and green, the mode of laser group for issuing green laser to use at present
Direct green laser pipe wants 7V or so using the operating voltage of the mode of laser group of direct green laser pipe, but laser level
Instrument is generally powered with battery, and supply voltage is between 3~5V, so voltage is improper, most of scheme is all to control at present
Add a booster circuit on making sheet circuit board, mode of laser group is supplied after voltage is increased, so that mode of laser group be made to work normally.
But existing this structure is low to the utilization rate of battery, control panel circuit board voltage carry out it is raised this
A process can lose 15% energy, and the energy of loss can make mode of laser group generate heat, and the fever of mode of laser group will affect the steady of laser
It is qualitative.
Summary of the invention
In order to overcome energy loss caused by booster circuit in the prior art that the fever of laser die set is caused to eventually cause
The unstable defect of laser, the present invention provide a kind of laser die set of direct green laser pipe, which mentions
The high transfer efficiency to electric energy, reduces entire mode of laser group calorific value, to improve the stability of laser.
In order to solve the above-mentioned technical problem, the technical solution of the present invention is as follows: a kind of mode of laser group of direct green laser pipe
Device, including power supply, low-voltage circuit plate and mode of laser group；The low-voltage circuit plate includes first input port, the second input terminal
Mouthful, fill can circuit, chip circuit and laser circuit, the first input port, the second input port be electrically connected with external power supply
Connect, it is described fill can circuit connect respectively with first input port, the second input port and chip circuit, the chip circuit with it is sharp
Optical circuit connection；The power supply is connect with the low-voltage circuit plate, and the low-voltage circuit plate is connect with the mode of laser group.
Preferably, the energy circuit that fills includes first capacitor and inductance, and one end of the first capacitor is defeated with first respectively
Inbound port and inductance connection, the other end ground connection of the first capacitor.
Preferably, the chip circuit includes control chip, diode and the second capacitor, and the control chip includes 6
Pin, 6 pins are pin 1, pin 2, pin 3, pin 4, pin 5 and pin 6 respectively, and the pin 1 connects electricity respectively
The anode of sense and diode, the pin 2 are grounded, and the pin 3 connects laser circuit；The cathode of the diode and described second
One end of capacitor connects, the other end ground connection of second capacitor.
Preferably, the laser circuit includes laser diode, first resistor and second resistance, the laser diode packet
3 pins are included, 3 pins are respectively common end, the end LD and the end PD, the cathode company of the common end and the diode
It connects, the end the LD ground connection, the end PD is connect with pin 3 and first resistor respectively, the other end ground connection of the first resistor, institute
Second resistance is stated to connect with the first resistor.
Preferably, the mode of laser group includes driving plate, direct green light pipe, lens and cylindrical mirror；The low-voltage circuit plate
It being connect with the driving plate, the driving plate and the direct green light pipe cooperate, and the direct green light pipe and the lens cooperate,
The lens and the cylindrical mirror cooperate.
Preferably, the power supply is battery case or lithium battery.
The invention has the advantages that a kind of laser die set of direct green laser pipe disclosed by the invention, including
Power supply, low-voltage circuit plate and mode of laser group, low-voltage circuit plate are adjusted the electric energy of input, mention in the case where voltage is constant
High current enables mode of laser group to obtain suitable power and carrys out work, laser die set is finally made to work in the environment of low pressure,
The laser die set improves the transfer efficiency to electric energy, reduces entire mode of laser group calorific value, to improve laser
Stability.
Detailed description of the invention
Fig. 1 is the structural block diagram of low-voltage circuit plate；
Fig. 2 is the circuit diagram of low-voltage circuit plate；
Fig. 3 is the explosive view of mode of laser group.
In figure, 1- pin 1,2- pin 2,3- pin 3,4- pin 4,5- pin 5,6- pin 6,7- mode of laser group, 71- drive
Movable plate, 72- direct green light pipe, 73- lens, 74- cylindrical mirror, 8- first input port, the second input port of 9-, 10- fills can electricity
Road, 11- chip circuit, 12- laser circuit, C1- first capacitor, the second capacitor of C2-, L- inductance, U1- control chip, D1- laser
Diode, D2- diode, R1- first resistor, R2- second resistance.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below
The each embodiment of the present invention involved in technical characteristic can be combined with each other as long as they do not conflict with each other.
As shown in Figure 1-3, a kind of laser die set of direct green laser pipe disclosed by the invention includes power supply, low pressure
Circuit board and mode of laser group, power supply are connect with low-voltage circuit plate, and low-voltage circuit plate is connect with mode of laser group.Wherein, power supply is electricity
Pond box or lithium battery, power supply are that electric energy is provided to laser die set, the supply voltage of battery case and lithium battery all 3~
5V。
As shown in Figs. 1-2, low-voltage circuit plate includes first input port 8, the second input port 9, fills energy circuit 10, chip
Circuit 11 and laser circuit 12, above-mentioned first input port 8, the second input port 9 are electrically connected with external power supply, and filling can electricity
Road 10 is connect with first input port 8, the second input port 9 and chip circuit 11 respectively, chip circuit 11 and laser circuit 12
Connection.Wherein fill can circuit 10 include first capacitor C1 and inductance L, one end of first capacitor C1 respectively with first input port 8
It is connected with inductance L, the other end ground connection of first capacitor C1.Wherein chip circuit 11 includes control chip U1, diode D2 and the
Two capacitor C2, control chip U1 includes 6 pins, and 6 pins are pin 1, pin 2, pin 3, pin 4, pin 5 respectively and draw
Foot 6, pin 1 connect the anode of inductance L and diode D2 respectively, and pin 2 is grounded, and pin 3 connects laser circuit 12；The yin of diode D2
Pole is connect with one end of the second capacitor C2, the other end ground connection of the second capacitor C2.Wherein laser circuit 12 includes laser diode
D1, first resistor R1 and second resistance R2, laser diode D1 include 3 pins, 3 pins be respectively common end, the end LD and
The end PD, common end are connect with the cathode of diode D2, and the end LD ground connection, the end PD is connect with pin 3 and first resistor R1 respectively, and first
The other end of resistance R1 is grounded, and second resistance R2 connects with first resistor R1.
The laser die set of disclosed by the invention kind of direct green laser pipe, wherein mode of laser group 7 is right with lens 73
The light that direct green light pipe 72 is issued carries out shaping, finally obtains the laser or 360 degree of toroidal laser of straight line.Such as
Shown in Fig. 3, mode of laser group 7 includes driving plate 71, direct green light pipe 72, lens 73 and cylindrical mirror 74；Low-voltage circuit plate and driving
Plate connection, driving plate and direct green light pipe cooperate, and direct green light pipe and lens cooperate, and lens and cylindrical mirror cooperate.
The purpose of low-voltage circuit plate is that mode of laser group is allow directly to work in the low-voltage of 3~5V, without carrying out
Boosting processing.Low-voltage circuit plate is adjusted the electric energy of input, and electric current is improved in the case where voltage is constant, makes mode of laser group
It can obtain suitable power and carry out work, laser die set is finally made to work in the environment of low pressure.Principle is: first to inductance LL
It carries out filling energy, then stops filling energy, using inductance L to the low-voltage transducing of input, adjusting voltage input is electric current output.Then
Inductance L carries out energy release by load (mode of laser group), and circuit can be adjusted the inductance L charge and discharge time, allows L pairs of inductance
Load (mode of laser group), which discharges into suitable energy just, makes mode of laser group reach suitable electric current, so that mode of laser group be made to obtain
Suitable power.This low-voltage driving technology, the voltage (3~5V) for being input to laser tube mould-group circuit-board can be lower than laser tube
Voltage (5.5~7V), so that laser tube is worked normally.
A kind of laser die set of direct green laser pipe disclosed by the invention, overcomes booster circuit in the prior art
Caused by energy loss cause laser die set fever eventually cause the unstable defect of laser, save energy consumption, avoid
The waste of energy, the laser die set improve the transfer efficiency to electric energy, reduce entire mode of laser group calorific value, thus
Improve the stability of laser.Low-voltage circuit plate in the present invention is suitable for the feelings that load voltage is at or above input voltage
Condition.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (7)
1. a kind of laser die set of direct green laser pipe, including power supply, which is characterized in that further include low-voltage circuit plate and
Mode of laser group；The low-voltage circuit plate includes first input port, the second input port, fills energy circuit, chip circuit and laser
Circuit, the first input port, the second input port are electrically connected with external power supply, it is described fill can circuit it is defeated with first respectively
Inbound port, the second input port and chip circuit connection, the chip circuit are connect with laser circuit；The power supply with it is described low
The connection of volt circuit plate, the low-voltage circuit plate are connect with the mode of laser group.
2. a kind of laser die set of direct green laser pipe according to claim 1, it is characterised in that: described to fill energy
Circuit includes first capacitor and inductance, one end of the first capacitor respectively with first input port and inductance connection, described
The other end of one capacitor is grounded.
3. a kind of laser die set of direct green laser pipe according to claim 2, it is characterised in that: the chip
Circuit includes control chip, diode and the second capacitor, and the control chip includes 6 pins, and 6 pins draw respectively
Foot 1, pin 2, pin 3, pin 4, pin 5 and pin 6, the pin 1 connect the anode of inductance and diode, the pin respectively
2 ground connection, the pin 3 connect laser circuit；The cathode of the diode is connect with one end of second capacitor, second electricity
The other end of appearance is grounded.
4. a kind of laser die set of direct green laser pipe according to claim 3, it is characterised in that: the laser
Circuit includes laser diode, first resistor and second resistance, and the laser diode includes 3 pins, 3 pins point
Not Wei common end, the end LD and the end PD, the common end connect with the cathode of the diode, the end the LD ground connection, the end PD
It is connect respectively with pin 3 and first resistor, the other end ground connection of the first resistor, the second resistance and the first resistor
Series connection.
5. a kind of laser die set of direct green laser pipe according to claim 4, it is characterised in that: the laser
Mould group includes driving plate, direct green light pipe, lens and cylindrical mirror；The low-voltage circuit plate is connect with the driving plate, the drive
Movable plate and the direct green light pipe cooperate, and the direct green light pipe and the lens cooperate, and the lens are matched with the cylindrical mirror
It closes.
6. a kind of laser die set of direct green laser pipe according to claim 5, it is characterised in that: the power supply
For battery case.
7. a kind of laser die set of direct green laser pipe according to claim 5, it is characterised in that: the power supply
For lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949602.XA CN109038198A (en) | 2018-08-20 | 2018-08-20 | A kind of laser die set of direct green laser pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949602.XA CN109038198A (en) | 2018-08-20 | 2018-08-20 | A kind of laser die set of direct green laser pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109038198A true CN109038198A (en) | 2018-12-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810949602.XA Pending CN109038198A (en) | 2018-08-20 | 2018-08-20 | A kind of laser die set of direct green laser pipe |
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| Country | Link |
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| CN (1) | CN109038198A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021051693A1 (en) * | 2019-12-20 | 2021-03-25 | 深圳市速腾聚创科技有限公司 | Laser emission circuit and lidar |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648093A (en) * | 1984-09-06 | 1987-03-03 | Coherent, Inc. | Power supply for gas discharge lasers |
| CN1177233A (en) * | 1996-09-06 | 1998-03-25 | 三菱电机株式会社 | Pulased power supply unit |
| CN101144876A (en) * | 2006-09-13 | 2008-03-19 | 中国科学院光电研究院 | Laser homogenizing coupler device for laser display |
| CN101237114A (en) * | 2008-01-21 | 2008-08-06 | 浙江大学 | Electrophoresis pulse metal steam laser system |
| CN102244366A (en) * | 2010-05-14 | 2011-11-16 | 三洋电机株式会社 | Semiconductor laser apparatus and optical apparatus |
| CN104166300A (en) * | 2014-07-24 | 2014-11-26 | 中国科学院理化技术研究所 | Laser display system |
| CN106787925A (en) * | 2015-11-25 | 2017-05-31 | 纪新辉 | The ultrasonic wave transceiver circuit that low-tension supply drives |
-
2018
- 2018-08-20 CN CN201810949602.XA patent/CN109038198A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648093A (en) * | 1984-09-06 | 1987-03-03 | Coherent, Inc. | Power supply for gas discharge lasers |
| CN1177233A (en) * | 1996-09-06 | 1998-03-25 | 三菱电机株式会社 | Pulased power supply unit |
| CN101144876A (en) * | 2006-09-13 | 2008-03-19 | 中国科学院光电研究院 | Laser homogenizing coupler device for laser display |
| CN101237114A (en) * | 2008-01-21 | 2008-08-06 | 浙江大学 | Electrophoresis pulse metal steam laser system |
| CN102244366A (en) * | 2010-05-14 | 2011-11-16 | 三洋电机株式会社 | Semiconductor laser apparatus and optical apparatus |
| CN104166300A (en) * | 2014-07-24 | 2014-11-26 | 中国科学院理化技术研究所 | Laser display system |
| CN106787925A (en) * | 2015-11-25 | 2017-05-31 | 纪新辉 | The ultrasonic wave transceiver circuit that low-tension supply drives |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021051693A1 (en) * | 2019-12-20 | 2021-03-25 | 深圳市速腾聚创科技有限公司 | Laser emission circuit and lidar |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |