CN104537827A - Optical fiber coupling laser control system based on wireless control - Google Patents
Optical fiber coupling laser control system based on wireless control Download PDFInfo
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- CN104537827A CN104537827A CN201510021009.5A CN201510021009A CN104537827A CN 104537827 A CN104537827 A CN 104537827A CN 201510021009 A CN201510021009 A CN 201510021009A CN 104537827 A CN104537827 A CN 104537827A
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- optical fiber
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- laser diode
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 30
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- 229910052744 lithium Inorganic materials 0.000 claims description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 6
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- 239000000463 material Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000002068 genetic Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 2
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- 230000001427 coherent Effects 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000000414 obstructive Effects 0.000 description 1
- 230000003287 optical Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The invention discloses an optical fiber coupling laser control system based on wireless control and belongs to the fields of photoelectrons, microelectronics and gene optics. The optical fiber coupling laser control system comprises a remote controller and further comprises a laser transmitting module; the laser transmitting module comprises a shell, and the shell is internally provided with a wireless receiving module, a laser diode driving circuit and a laser diode. After the wireless receiving module receives remote control signals, the remote control signals are processed through an internal central processing unit, pulse width modulation signals are produced and drive the laser diode driving circuit, and the power and the transmitting frequency of the laser diode are adjusted. The optical fiber coupling laser control system is reasonable in design, and convenience is provided for an experiment through the modularized design and layout of the laser diode driving circuit; by means of the reasonable layout and design of the components, the system has the advantages of being low in power consumption, small in size, low in weight, good in stability and the like; the power and transmitting frequency of a laser device are wirelessly controlled through low-power-consumption and low-cost ZigBee communication, and the optical fiber coupling laser control system is flexibly applied to experiments of different fields.
Description
Technical field
The invention belongs to photoelectron, microelectronics and gene optical field, be specifically related to a kind of optical fiber-coupled laser control system based on controlled in wireless.
Background technology
Along with the development of science and technology, the various aspects that laser instrument has been deep into life are as communication, the key areas such as medical, military.As the genetic major experimental instrument of light, the specifications and characteristics of laser instrument determines the type of experiment to a great extent.But along with deepening continuously of experiment, traditional large-scale laser, due to bulky and problem that is weight, cannot meet growing requirement of experiment.
There are German Limo company, Coherent company, Thorlabs company etc. in external miniature fiber coupling mechanism company at present, and they occupy significant advantage at laser diode and optical fiber on material, and main performance is all far superior to home products.But mainly due to export of techniques restriction and the condition such as expensive, domestic experiment is very limited.As Thorlabs company, the coupling fiber LED sold in Chinese market is at present only about 10mW, can not meet most of requirement of experiment far away.Domestic research unit led primarily of Shanghai micro-system institute of the Chinese Academy of Sciences and Changchun ray machine, achieves very large achievement in high power semi-conductor coupling fiber.But due to the restriction in processing technology and material, make domestic research in miniature fiber coupled laser lag behind abroad always, most of driving power volume is large, adopts wired connection, bring many obstructions to remote light genetics experiments with laser instrument.Therefore, study a kind of small-sized wireless laser control system and there is important using value.
Summary of the invention
For the above-mentioned technical matters existed in prior art, the present invention proposes a kind of optical fiber-coupled laser control system based on controlled in wireless, reasonable in design, overcome the deficiencies in the prior art, there is the advantage of modularization, miniaturization, wireless penetration.
To achieve these goals, the present invention adopts following technical scheme:
A kind of optical fiber-coupled laser control system based on controlled in wireless, comprise telepilot, also comprise laser emitting module, described laser emitting module comprises shell, wireless receiving module, laser diode driver circuit and laser diode is provided with in described shell, after wireless receiving module in described laser emitting module receives the control signal of telepilot, through the process of center of inside processor, produce pulse-width signal, this pulse-width signal driving laser diode drive circuit, regulates power and the transmission frequency of laser diode.
Preferably; described laser diode driver circuit is made up of boost module, voltage reduction module, constant current source control module and laser diode protection module; described boost module and laser diode protection module all pass through connection with constant current source control module, and described voltage reduction module is connected with constant current source control module by wireless receiving module.
Preferably, described laser diode adopts the coaxial laser diode of band tail optical fiber.
Preferably, described laser emitting module adopts 3.7V lithium battery power supply.
Preferably, be also provided with heat sink in the shell of described laser emitting module, be describedly heat sinkly connected with shell by screw.
Preferably, switch and the charge port for charging to lithium battery is also provided with in the shell of described laser emitting module.
Preferably, described wireless receiving module adopts CC2530 chip.
Preferably, described boost module adopts LMR62014 chip, and described voltage reduction module adopts ME6206A33 chip, and described constant current source control module adopts IC-HKB chip.
Preferably, described shell adopts aluminum to make.
Preferably, described heat sink employing copper material is made.
The Advantageous Effects that the present invention brings:
The present invention proposes a kind of optical fiber-coupled laser control system based on controlled in wireless, compared with prior art, a kind of optical fiber-coupled laser control system based on controlled in wireless, has the following advantages:
(1) modularization: the independent sum that in laser diode driver circuit, the appropriate design of each module and layout can realize each function is integrated, some parameters only in adjustment module just can be applicable to the laser diode of different-waveband, meet the requirement to light different-waveband in light genetics experiments, for the expansion of experiment is provided convenience.
(2) miniaturization: all electrical parts of the present invention all adopt mounting method to be integrated on described laser diode drive plate, is integrated on one piece of circuit board with wireless receiving module simultaneously, reduces the volume and weight of laser emitting module.The rational deployment of each device of the present invention and locus design, make this system have the advantages such as low in energy consumption, volume is little, lightweight, good stability.
(3) wireless penetration: the present invention adopts low-power consumption, the ZigBee communication of low cost carrys out controlled in wireless laser instrument power and transmission frequency, utilize lithium battery power supply simultaneously, avoid wire transmission, easy to carry, experiment can be carried out anywhere or anytime, break away from traditional large-scale driving power and wired connection, be applied to the experiment of different field flexibly.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of optical fiber-coupled laser control system laser emitting module based on controlled in wireless of the present invention.
Fig. 2 is the hardware elementary diagram of a kind of optical fiber-coupled laser control system laser emitting module based on controlled in wireless of the present invention.
Fig. 3 is the FB(flow block) of a kind of optical fiber-coupled laser control system based on controlled in wireless of the present invention.
Wherein, 1-shell; 2 wireless receiving modules; 3-laser diode driver circuit; 4-laser diode; 5-lithium battery; 6-is heat sink; 7-switch; 8-charge port.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
As Figure 1-Figure 2, based on an optical fiber-coupled laser control system for controlled in wireless, comprise telepilot, also comprise laser emitting module, described laser emitting module comprises shell 1, is provided with wireless receiving module 2, laser diode driver circuit 3 and laser diode 4 in described shell.Described wireless receiving module 2 adopts CC2530 chip, it combines Zigbee protocol stack, include enhancement mode 8051 central processing unit of standard, be a radio communication and data processing in one and the wireless communication module of low-power consumption, 190 meters can be reached at open field.After wireless receiving module 2 in described laser emitting module receives the control signal of telepilot, through the process of center of inside processor, produce pulse-width signal, this pulse-width signal driving laser diode drive circuit 3, realize conducting and the disconnection of laser diode 4, thus regulate power and the transmission frequency of laser diode 4.
Described laser diode driver circuit 3 is made up of boost module, voltage reduction module, constant current source control module and laser diode protection module; described boost module and laser diode protection module all pass through connection with constant current source control module, and described voltage reduction module is connected with constant current source control module by wireless receiving module 2.Described boost module adopts LMR62014 boost chip.Constant current source control module and laser diode 4 operating voltage are respectively 4.5V and 6V, for ensureing the normal work of constant current source control module, laser diode 4 and wireless receiving module 2, need to adopt a high efficiency boost chip.The input voltage range of LMR62014 boost chip is 2.7V-14V, and output voltage up to 20V, can have the features such as the high and low power consumption of transformation efficiency.Described voltage reduction module adopts ME6206A33 step-down chip.Wireless communication module power supply is 3.3V, the Current Control pin of constant current source control module provides reference voltage also is simultaneously 3.3V, but the voltage due to 3.7V lithium battery 5 used is lower and voltage can reduce with discharge time, therefore need the voltage reduction module of a low voltage difference to power to whole system, to ensure that the normal table of system runs.ME6206A33 step-down chip is the 3.3V low voltage difference step-down chip of a standard, has the features such as low-power consumption, low voltage difference, output short circuit current protection.Laser diode driver circuit 3 is responsible for stably producing constant electric current and flowing to laser diode 4, and this function is mainly realized by constant current source control module wherein.Described constant current source control module adopts professional laser diode driving chip IC-HKB, by applying dutycycle and cycle adjustable pulse-width signal to constant current source control module, to control conducting and the disconnection of laser diode 4, realize the power of laser diode 4 and the adjustable of transmission frequency, power adjustable scope is 0-80mW, and transmission frequency adjustable extent is 0-500Hz.In addition in order to ensure the stability of laser diode 4, devising laser diode protection module, namely adding the protection circuits such as overshoot, recoil and surge to increase the stability of system.
Described laser diode 4 adopts the coaxial laser diode of band tail optical fiber.Described laser emitting module adopts 3.7V lithium battery 5 to power.Also be provided with heat sink 6 in the shell 1 of described laser emitting module, described heat sink 6 are connected with shell 1 by screw, to increase the thermal diffusivity of system.Described shell 1 adopts aluminum material, and described heat sink 6 adopt copper material.Switch 7 and the charge port 8 for charging to lithium battery is also provided with in the shell 1 of described laser emitting module.
Shown in composition graphs 3, a kind of FB(flow block) of the optical fiber-coupled laser control system based on controlled in wireless, after system electrification, first initialized setting is carried out, i.e. power input and frequency values in Digiplex, then wait for pressing of numerical value button, after pressing numerical value button, these numerical value can be presented on liquid crystal display LCD1602 in real time.After pressing transmission button, the transmitter module of telepilot carries out packing and the transmission of data.If send unsuccessfully, then resend, until the wireless receiving module 2 in laser emitting module receives the control signal that Digiplex sends, and the process of data is carried out by center of inside processor, export low and high level by corresponding I/O port and drive described laser diode driver circuit 3, realize conducting and the disconnection of laser diode 4, thus regulate power and the transmission frequency of laser diode 4, power adjustable scope is 0-80mW, and transmission frequency adjustable extent is 0-500Hz.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited in above-mentioned citing, and the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (10)
1. the optical fiber-coupled laser control system based on controlled in wireless, comprise telepilot, it is characterized in that: also comprise laser emitting module, described laser emitting module comprises shell, wireless receiving module, laser diode driver circuit and laser diode is provided with in described shell, after wireless receiving module in described laser emitting module receives the control signal of telepilot, through the process of center of inside processor, produce pulse-width signal, this pulse-width signal driving laser diode drive circuit, regulates power and the transmission frequency of laser diode.
2. a kind of optical fiber-coupled laser control system based on controlled in wireless according to claim 1; it is characterized in that: described laser diode driver circuit is made up of boost module, voltage reduction module, constant current source control module and laser diode protection module; described boost module and laser diode protection module all pass through connection with constant current source control module, and described voltage reduction module is connected with constant current source control module by wireless receiving module.
3. a kind of optical fiber-coupled laser control system based on controlled in wireless according to claim 1, is characterized in that: described laser diode adopts the coaxial laser diode of band tail optical fiber.
4. a kind of optical fiber-coupled laser control system based on controlled in wireless according to claim 1, is characterized in that: described laser emitting module adopts 3.7V lithium battery power supply.
5. a kind of optical fiber-coupled laser control system based on controlled in wireless according to claim 1, is characterized in that: be also provided with heat sink in the shell of described laser emitting module, to be describedly heat sinkly connected with shell by screw.
6. a kind of optical fiber-coupled laser control system based on controlled in wireless according to claim 1, is characterized in that: be also provided with switch and the charge port for charging to lithium battery in the shell of described laser emitting module.
7. a kind of optical fiber-coupled laser control system based on controlled in wireless according to claim 1, is characterized in that: described wireless receiving module adopts CC2530 chip.
8. a kind of optical fiber-coupled laser control system based on controlled in wireless according to claim 2, it is characterized in that: described boost module adopts LMR62014 chip, described voltage reduction module adopts ME6206A33 chip, and described constant current source control module adopts IC-HKB chip.
9. a kind of optical fiber-coupled laser control system based on controlled in wireless according to claim 1, is characterized in that: described shell adopts aluminum to make.
10. a kind of optical fiber-coupled laser control system based on controlled in wireless according to claim 5, is characterized in that: described heat sink employing copper product is made.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510021009.5A CN104537827A (en) | 2015-01-16 | 2015-01-16 | Optical fiber coupling laser control system based on wireless control |
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| CN201510021009.5A CN104537827A (en) | 2015-01-16 | 2015-01-16 | Optical fiber coupling laser control system based on wireless control |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5621975A (en) * | 1995-08-22 | 1997-04-22 | Levelite Technology | Remotely controlled self-leveling laser instrument with modular capability |
| CN101067898A (en) * | 2007-05-18 | 2007-11-07 | 天津通广微电子有限公司 | Domestic electric appliance remote controller utilizing laser transmission technique to control remote-control signal |
| CN201174753Y (en) * | 2008-03-31 | 2008-12-31 | 赖江永 | Laser emitting apparatus of television set |
| CN201984622U (en) * | 2011-03-11 | 2011-09-21 | 安徽钰鑫电子科技有限公司 | Wireless remote control communication module |
| CN102697578A (en) * | 2012-05-27 | 2012-10-03 | 浙江大学 | Backpack type wireless optical stimulation device and method |
| CN102711321A (en) * | 2012-05-04 | 2012-10-03 | 福建捷联电子有限公司 | Light emitting diode driving circuit |
| CN204087756U (en) * | 2014-09-18 | 2015-01-07 | 管存忠 | A kind of laser cartoon emitter |
-
2015
- 2015-01-16 CN CN201510021009.5A patent/CN104537827A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5621975A (en) * | 1995-08-22 | 1997-04-22 | Levelite Technology | Remotely controlled self-leveling laser instrument with modular capability |
| CN101067898A (en) * | 2007-05-18 | 2007-11-07 | 天津通广微电子有限公司 | Domestic electric appliance remote controller utilizing laser transmission technique to control remote-control signal |
| CN201174753Y (en) * | 2008-03-31 | 2008-12-31 | 赖江永 | Laser emitting apparatus of television set |
| CN201984622U (en) * | 2011-03-11 | 2011-09-21 | 安徽钰鑫电子科技有限公司 | Wireless remote control communication module |
| CN102711321A (en) * | 2012-05-04 | 2012-10-03 | 福建捷联电子有限公司 | Light emitting diode driving circuit |
| CN102697578A (en) * | 2012-05-27 | 2012-10-03 | 浙江大学 | Backpack type wireless optical stimulation device and method |
| CN204087756U (en) * | 2014-09-18 | 2015-01-07 | 管存忠 | A kind of laser cartoon emitter |
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Application publication date: 20150422 |
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