CN203734132U - Laser light source - Google Patents
Laser light source Download PDFInfo
- Publication number
- CN203734132U CN203734132U CN201420016092.8U CN201420016092U CN203734132U CN 203734132 U CN203734132 U CN 203734132U CN 201420016092 U CN201420016092 U CN 201420016092U CN 203734132 U CN203734132 U CN 203734132U
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- converter
- processor
- light source
- refrigerating sheet
- temperature
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Abstract
The utility model discloses a laser light source, which comprises an APC circuit, a laser tube, a light power detection circuit, a first A/D converter, a processor, a keyboard module, an LCD module, a temperature sensor, a second A/D converter, a driving circuit and a refrigerating sheet, wherein the temperature sensor and the refrigerating sheet are arranged in the shell body, the temperature sensor is used for acquiring temperature inside the shell body, and the refrigerating sheet is used for increasing or decreasing the temperature in the shell body; the APC circuit is sequentially connected with the laser tube, the light power detection circuit and the first A/D converter; the temperature sensor is connected with the second A/D converter; the first A/D converter and the the second A/D converter are respectively connected with the processor; the processor is respectively connected with the keyboard module, the LCD module and the driving circuit; and the driving circuit is connected with the refrigerating sheet. The laser light source the independent refrigerating sheet, reduces cost, automatically adjusts the temperature inside the shell body according to changes of environment temperature, and improves the stability of light power output by the light source.
Description
Technical field
The utility model relates to a kind of LASER Light Source, belongs to the technical field of optical communication electronic instrument.
Background technology
LASER Light Source is a kind of electronic instrument that is widely used in the engineering fields such as optical-fibre communications and optical device processing test.In order to meet the needs of the continuous application expanding to different qualities LASER Light Source, the stabilized lasers light source that has multiple output wavelength becomes an important research direction gradually.
Although have multichannel LASER Light Source at present, the stability of power output is generally not high, cannot be applied to high-precision occasion yet; If guarantee the stability of light source, all environment for use is had to very high requirement, generally all can require in indoor use, and in the situation that variations in temperature is little, this has just brought very large inconvenience to the use of LASER Light Source.Existing portioned product has been used the laser of embedded refrigerating sheet, but can greatly increase cost, and can only realize cooling, and cannot automatically regulate laser tube temperature according to the variation of ambient temperature.Therefore, existing LASER Light Source stability low, there is limitation.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, a kind of LASER Light Source is provided, utilize the not laser tube of embedded refrigerating sheet, the power output of laser tube can be detected, utilize temperature sensor to obtain the temperature in light source shell simultaneously, according to real time temperature, control refrigerating sheet housing is heated up or cooling, make temperature held stationary in housing, thereby the impact of the temperature in reduction housing on Output optical power stability, has improved output power stability.
The utility model specifically solves the problems of the technologies described above by the following technical solutions:
A kind of LASER Light Source, comprise APC circuit, laser tube, luminous power testing circuit, the first A/D converter, processor, Keysheet module, LCD module, temperature sensor, the second A/D converter, drive circuit, refrigerating sheet, wherein temperature sensor, refrigerating sheet are all arranged in housing, described temperature sensor is used for gathering temperature in housing, and described refrigerating sheet is for intensification or cooling in housing; Described APC circuit is connected successively with laser tube, luminous power testing circuit, the first A/D converter; Described temperature sensor is connected with the second A/D converter; Described the first A/D converter, the second A/D converter are connected with processor respectively; Described processor is connected with Keysheet module, LCD module, drive circuit respectively; Described drive circuit is connected with refrigerating sheet.
As a kind of optimal technical scheme of the present utility model: also comprise that described pulse potential device is connected with processor for controlling pulse potential device and the D/A converter of laser tube power output; Described processor is connected successively with D/A converter, laser tube.
As a kind of optimal technical scheme of the present utility model: also comprise the USB interface for being connected with external equipment, described USB interface is connected with processor.
The utility model adopts technique scheme, can produce following technique effect:
The utility model provides LASER Light Source, utilize the not laser tube of embedded refrigerating sheet, the power output of laser tube can be detected, utilize temperature sensor to obtain the temperature in light source shell simultaneously, according to real time temperature, controlling refrigerating sheet heats up or cooling to housing, make temperature held stationary in housing, thereby the impact of the temperature in reduction housing on Output optical power stability improved output power stability.And can control the power output size of laser tube, make the power output of laser tube adjusted, be convenient to the Detection of Stability under different output power.Therefore, the utility model by refrigerating sheet and laser tube is independent, reduces costs, and according to the variation of ambient temperature, automatically regulates temperature in the housing at laser tube place, has improved the stability of source device output optical power.
Accompanying drawing explanation
Fig. 1 is the module diagram of the utility model LASER Light Source.
Embodiment
Below in conjunction with Figure of description, execution mode of the present utility model is described.
As shown in Figure 1, the utility model has designed a kind of LASER Light Source, comprise APC circuit, laser tube, luminous power testing circuit, the first A/D converter, processor, Keysheet module, LCD module, temperature sensor, the second A/D converter, drive circuit, refrigerating sheet, wherein temperature sensor, refrigerating sheet are all arranged in housing, described temperature sensor is used for gathering temperature in housing, and described refrigerating sheet is for intensification or cooling in housing; Described APC circuit is connected successively with laser tube, luminous power testing circuit, the first A/D converter; Described temperature sensor is connected with the second A/D converter; Described the first A/D converter, the second A/D converter are connected with processor respectively; Described processor is connected with Keysheet module, LCD module, drive circuit respectively; Described drive circuit is connected with refrigerating sheet.
Wherein said APC circuit is automatic power control circuitry, after being connected with laser tube for the output of stabilized lasers pipe.Laser tube produces after light output, by luminous power testing circuit, Output optical power is detected, the Output optical power signal obtaining is converted to digital data transmission to processor through the first A/D converter, and processor is according to this signal acquisition luminous power output valve, and demonstrates by LCD module; Simultaneously, when detecting luminous power output to housing in temperature gather, temperature sensor gathers temperature in housing and converts digital data transmission to processor by the second A/D converter, processor is according to demonstrating by LCD module after this signal acquisition temperature value, and according to this temperature value, calculate the motivation value that obtains drive circuit, drive circuit drives refrigerating sheet heat or freeze according to this motivation value, makes temperature in housing raise or reduce.
Wherein processor is that hardware module comprises CPU process chip, Flash module, and Flash module is connected with CPU process chip, and for storing the parameter of light source, CPU process chip is for data processing and control.Wherein this processor uses the digital signal that digital signal that technology commonly known in the art converts to the luminous power detecting becomes with temperature transition to process, obtain optical power value and temperature value, and when being calculated, the motivation value of drive circuit utilize algorithm commonly known in the art to obtain this value, as adopt pid control algorithm well known in the prior art to obtain, but the utility model is not made any improvement to existing pid control algorithm, only utilize it to calculate the motivation value that obtains drive circuit.
In the testing process of light source, for according to the needs of actual conditions, can control laser tube power output size, by increase pulse potential device and D/A converter in circuit, wherein pulse potential device is connected with processor, processor and D/A converter, laser tube is connected successively, by pulse potential device input corresponding pulses, the input signal of processor received pulse potentiometer and by D/A converter, convert corresponding signal to after input laser tube, thereby processor can be controlled potentiometer and regulate light pipe power output, make laser tube produce the light output of corresponding power, increase controllability.
At processor, obtain after corresponding data, the USB interface that can pass through is by the transfer of data obtaining to external equipment, and USB interface is connected with processor, by setting up communication between USB interface and external equipment.
Operation principle of the present utility model is, utilize Keysheet module input operation to control, APC circuit is controlled the output of laser tube, the light that laser tube produces gathers through luminous power testing circuit, and be converted to digital data transmission to processor through the first A/D converter, processor obtains the now Output optical power value of laser tube, utilize the temperature sensor in housing to gather temperature in housing simultaneously, and convert digital data transmission to processor through the second A/D converter, processor obtains the temperature value in housing now, according to this temperature value, calculate the motivation value that obtains drive circuit, the driving signal that refrigerating sheet sends according to drive circuit heats up or lowers the temperature, thereby realize the control to case temperature, and processor is presented at LCD module by temperature value and optical power value, so, completed a testing process, process is carried out repetition thus, the Real-time Collection of realization to Output optical power and temperature, according to the data that gather, automatically complete the heating of housing or refrigeration, thereby in assurance housing, temperature is steady, further improved the stability of source device output optical power.
In work, can to the power output of laser tube, control as required, pulse potential device sends conditioning signal to processor, and processor converts the control signal to laser tube to by D/A converter, makes the power output of laser tube controlled.In addition, can and analyze the data that obtain by the data of collection and show in real time, by USB interface, be transferred to external equipment in real time, thereby improved the intellectuality of light source.
The correlation module relating in the utility model and the function of realization thereof are in device, device or the system of hardware after improvement and formation thereof, to carry computer software programs or relevant agreement conventional in prior art just can realize, and are not that computer software programs of the prior art or relevant agreement are improved.Innovation of the present utility model is the improvement of hardware module in prior art and connects syntagmatic, but not be in hardware module for realizing software that relevant function carries or the improvement of agreement.
Therefore, the utility model provides the not laser tube of embedded refrigerating sheet of LASER Light Source utilization, the power output of laser tube can be detected, get the temperature in light source shell simultaneously, according to real time temperature, control refrigerating sheet housing is heated up or cooling, make temperature held stationary in housing, thus the impact of the temperature in reduction housing on Output optical power stability, improved output power stability, reduced costs.
By reference to the accompanying drawings execution mode of the present utility model is explained in detail above, between each module, all adopt the known connected mode of prior art to be connected, but the utility model is not limited to above-mentioned execution mode, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from the utility model aim, make a variety of changes.
Claims (3)
1. a LASER Light Source, it is characterized in that: comprise APC circuit, laser tube, luminous power testing circuit, the first A/D converter, processor, Keysheet module, LCD module, temperature sensor, the second A/D converter, drive circuit, refrigerating sheet, wherein temperature sensor, refrigerating sheet are all arranged in housing, described temperature sensor is used for gathering temperature in housing, and described refrigerating sheet is for intensification or cooling in housing; Described APC circuit is connected successively with laser tube, luminous power testing circuit, the first A/D converter; Described temperature sensor is connected with the second A/D converter; Described the first A/D converter, the second A/D converter are connected with processor respectively; Described processor is connected with Keysheet module, LCD module, drive circuit respectively; Described drive circuit is connected with refrigerating sheet.
2. LASER Light Source according to claim 1, is characterized in that: also comprise that described pulse potential device is connected with processor for controlling pulse potential device and the D/A converter of laser tube power output; Described processor is connected successively with D/A converter, laser tube.
3. LASER Light Source according to claim 1, is characterized in that: also comprise the USB interface for being connected with external equipment, described USB interface is connected with processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016092.8U CN203734132U (en) | 2014-01-10 | 2014-01-10 | Laser light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016092.8U CN203734132U (en) | 2014-01-10 | 2014-01-10 | Laser light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203734132U true CN203734132U (en) | 2014-07-23 |
Family
ID=51204178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420016092.8U Expired - Fee Related CN203734132U (en) | 2014-01-10 | 2014-01-10 | Laser light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203734132U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961750A (en) * | 2017-05-22 | 2017-07-18 | 蚌埠道生精密光电科技有限公司 | A kind of detection control apparatus of heat shrinkable tube heater |
| CN108281879A (en) * | 2017-12-27 | 2018-07-13 | 上海如海光电科技有限公司 | Laser power self-checking device |
-
2014
- 2014-01-10 CN CN201420016092.8U patent/CN203734132U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961750A (en) * | 2017-05-22 | 2017-07-18 | 蚌埠道生精密光电科技有限公司 | A kind of detection control apparatus of heat shrinkable tube heater |
| CN108281879A (en) * | 2017-12-27 | 2018-07-13 | 上海如海光电科技有限公司 | Laser power self-checking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20220110 |