CN201159674Y - Impulse laser energy detection apparatus for medical instrument - Google Patents
Impulse laser energy detection apparatus for medical instrument Download PDFInfo
- Publication number
- CN201159674Y CN201159674Y CNU2008200554619U CN200820055461U CN201159674Y CN 201159674 Y CN201159674 Y CN 201159674Y CN U2008200554619 U CNU2008200554619 U CN U2008200554619U CN 200820055461 U CN200820055461 U CN 200820055461U CN 201159674 Y CN201159674 Y CN 201159674Y
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- circuit
- sampling
- photoelectric detector
- laser energy
- signal
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Abstract
The utility model discloses a pulse laser energy detection device for a medical instrument, comprising a photoelectric detector; the photoelectric detector is sequentially and electrically connected with a signal sampling-reset module and an A/D conversion circuit; one output port of the A/D conversion circuit is connected with an alarm circuit; the signal sampling-reset module includes an integrating circuit, an amplification circuit, a sampling-holding circuit, a sampling circuit and a pulse reset circuit. The laser energy detection device has the advantages of arranging the photoelectric detector in any required optical path for detection, arranging the signal sampling-reset module, amplifying the weak electrical signal, resetting immediately when the peak value is detected, fast response, high accuracy, reminding the user through the light and sound alarm and providing the correcting signal for the control unit which controls the laser output in the medical instrument as the basis for the energy output correction.
Description
Technical field
The utility model relates to a kind of detecting instrument, relates in particular to a kind of laser energy pick-up unit.
Background technology
At present, laser is extensive use of medically having obtained as therapeutic equipments.Because the influence of various factors, may there be problem of unstable in the output energy of pulse laser.Therefore, need the energy of laser output accurately be detected and analyze, report to the police or output is proofreaied and correct as the paired pulses laser energy foundation to provide.In the prior art, in the medical laser or do not have a laser energy pick-up unit, though or pick-up unit is arranged but because the measurement of paired pulses laser energy does not have technology such as peak value maintenance, pulsed reset, accurate measurement can't be provided, report to the police or output is proofreaied and correct as the paired pulses laser energy foundation so can't provide.
The utility model content
Technical problem to be solved in the utility model is the pulsed laser energy pick-up unit that a kind of Medical Instruments will be provided, adopt technology such as peak value maintenance, pulsed reset, the paired pulses laser energy detects and provides timely paired pulses laser energy to export the signal foundation of proofreading and correct exactly.
In order to solve the problems of the technologies described above the pulsed laser energy pick-up unit that is used for Medical Instruments of the present utility model, include photoelectric detector, photoelectric detector is electrically connected signal sampling reseting module and mould/number conversion circuit successively, mould/number conversion circuit is provided with two digital signal output ports, one of them output port is connected with warning circuit, described signal sampling reseting module comprises integrating circuit, amplifying circuit, sampling hold circuit, sample circuit and pulsed reset circuit, integrating circuit, amplifying circuit, sampling hold circuit and sample circuit are electrically connected successively, the input end of integrating circuit is electrically connected with the output terminal of photoelectric detector, the output terminal of sample circuit is electrically connected with the input end of mould/number conversion circuit, and described pulsed reset circuit links to each other with described sampling hold circuit electricity.
Described warning circuit is provided with light, acoustic alarm device.
When being used for Medical Instruments based on the pulsed laser energy pick-up unit of said structure, photoelectric detector can be arranged on the optional position of Medical Instruments laser output light path, its principle of work is: the light signal in the Medical Instruments laser output light path, electro-optical signal conversion through photosensitive device, input electrical signal is through the integration of signal sampling reseting module, amplify, keep, export to mould/number conversion circuit after the sampling processing on the one hand, pulsed reset circuit in the signal sampling reseting module send reset pulse to reset with the stack of avoiding exporting for sampling hold circuit rapidly on the one hand, the output of mould/number conversion circuit offers warning circuit and carries out sound, light is reported to the police, and another digital signal output end mouth of mould/number conversion circuit is connected with the control module of Medical Instruments inner control laser output, provides digital signal to proofread and correct in time laser is exported to it.
The utility model and prior art contrast, its beneficial effect is, the light path wanted of can in officely what is the need for is provided with photoelectric detector and detects, and signalization sampling reseting module, can amplify faint electric signal, reset at once after detecting peak value, respond very fast, accuracy height, and can in time remind the user by light, acoustic alarm, and provide correction signal to the control module of Medical Instruments inner control laser output foundation as the energy output calibration.
Description of drawings
Fig. 1 is the logical organization synoptic diagram of the utility model pulsed laser energy pick-up unit.
Fig. 2 is the electrical block diagram of signal sampling reseting module in this pulsed laser energy pick-up unit.
Among the figure: 1. Medical Instruments cavity 2. laser output device 3. laser optical paths
4. photoelectric detector 5. photoelectric detectors are exported electric signal
6. signal sampling reseting module 7. moulds/number conversion circuit 8. warning circuits
10. integrating circuit 11. amplifying circuits 12. sampling hold circuits
13. reseting pulse signal 14. pulsed reset circuit 15. sample circuits
Embodiment
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.
Show pulsed laser energy pick-up unit of the present utility model as Fig. 1, comprise that the Medical Instruments cavity 1 that is linked in sequence is built in the photoelectric detector 4 in the laser optical path 3 that laser output device 2 output laser form, signal sampling reseting module 6 and mould/number conversion circuit 7, this mould/number conversion circuit 7 is provided with two data-signal output ports, an output port connects warning circuit, another output port outputting data signals is given the foundation of the control module of Medical Instruments inner control laser output as the energy output calibration, be provided with light in this warning circuit, the acoustic alarm device, when laser energy departs from normal value, send light, the sound alarm.
Fig. 2 shows the particular circuit configurations of described signal sampling reseting module: comprise integrating circuit 10, amplifying circuit 11, sampling hold circuit 12, sample circuit 15 and pulsed reset circuit 14, integrating circuit 10, amplifying circuit 11, sampling hold circuit 12 and sample circuit 15 are electrically connected successively, the input end of integrating circuit 10 is electrically connected with the output terminal of photoelectric detector 4, the output terminal of sample circuit 15 is electrically connected with the input end of mould/number conversion circuit 7, and described pulsed reset circuit 14 links to each other with described sampling hold circuit 12 electricity;
The photoelectric detector 4 of the utility model pulsed laser energy pick-up unit can be arranged on the optional position of Medical Instruments laser output light path, after this photoelectric detector 4 detects the laser signal of output, be converted to electric signal output 5, then through integrating circuit 10 integrations, and through amplifying circuit 11 amplification ultra-weak electronic signals, send into sampling hold circuit 12, keep peak value up to sample circuit 15 to its sample detecting behind peak value, pulsed reset circuit 14 is sent reseting pulse signal 13 at once it is resetted, the accuracy that detects with the overlaying influence avoiding exporting, sample circuit 15 is input to above-mentioned mould/number conversion circuit 7 with detected simulating signal, after mould/number conversion circuit 7 carries out mould/number conversion, give warning circuit 8 so that sound to be provided, light is reported to the police, and outputting data signals is given the foundation of the control module of Medical Instruments inner control laser output as the energy output calibration.
Claims (2)
1. pulsed laser energy pick-up unit that is used for Medical Instruments, it is characterized in that: this device includes photoelectric detector, photoelectric detector is electrically connected signal sampling reseting module and mould/number conversion circuit successively, mould/number conversion circuit is provided with two digital signal output ports, one of them output port is connected with warning circuit, described signal sampling reseting module comprises integrating circuit, amplifying circuit, sampling hold circuit, sample circuit and pulsed reset circuit, integrating circuit, amplifying circuit, sampling hold circuit and sample circuit are electrically connected successively, the input end of integrating circuit is electrically connected with the output terminal of photoelectric detector, the output terminal of sample circuit is electrically connected with the input end of mould/number conversion circuit, and described pulsed reset circuit links to each other with described sampling hold circuit electricity.
2. pulsed laser energy pick-up unit according to claim 1 is characterized in that: described warning circuit is provided with light, acoustic alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200554619U CN201159674Y (en) | 2008-02-05 | 2008-02-05 | Impulse laser energy detection apparatus for medical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200554619U CN201159674Y (en) | 2008-02-05 | 2008-02-05 | Impulse laser energy detection apparatus for medical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201159674Y true CN201159674Y (en) | 2008-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200554619U Expired - Fee Related CN201159674Y (en) | 2008-02-05 | 2008-02-05 | Impulse laser energy detection apparatus for medical instrument |
Country Status (1)
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| CN (1) | CN201159674Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323040A (en) * | 2011-05-30 | 2012-01-18 | 中国科学院上海微系统与信息技术研究所 | Power measuring device and method for pulse ejection tera-hertz quantum cascade laser |
| CN101922973B (en) * | 2009-06-09 | 2012-05-02 | 武汉奇致激光技术有限公司 | Device for testing pulse laser energy and measuring method |
| CN104316172A (en) * | 2014-10-09 | 2015-01-28 | 中国科学院上海光学精密机械研究所 | Energy detection device for photoetching machine |
| CN106924885A (en) * | 2015-12-30 | 2017-07-07 | 武汉奇致激光技术股份有限公司 | A kind of energy correction control system and control method for laser cure apparatus |
| CN109921274A (en) * | 2019-04-17 | 2019-06-21 | 大族激光科技产业集团股份有限公司 | The protection circuit of laser light path and guard method |
-
2008
- 2008-02-05 CN CNU2008200554619U patent/CN201159674Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922973B (en) * | 2009-06-09 | 2012-05-02 | 武汉奇致激光技术有限公司 | Device for testing pulse laser energy and measuring method |
| CN102323040A (en) * | 2011-05-30 | 2012-01-18 | 中国科学院上海微系统与信息技术研究所 | Power measuring device and method for pulse ejection tera-hertz quantum cascade laser |
| CN102323040B (en) * | 2011-05-30 | 2014-02-19 | 中国科学院上海微系统与信息技术研究所 | Power measuring device and method for pulse ejection tera-hertz quantum cascade laser |
| CN104316172A (en) * | 2014-10-09 | 2015-01-28 | 中国科学院上海光学精密机械研究所 | Energy detection device for photoetching machine |
| CN106924885A (en) * | 2015-12-30 | 2017-07-07 | 武汉奇致激光技术股份有限公司 | A kind of energy correction control system and control method for laser cure apparatus |
| CN109921274A (en) * | 2019-04-17 | 2019-06-21 | 大族激光科技产业集团股份有限公司 | The protection circuit of laser light path and guard method |
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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: 20081203 Termination date: 20160205 |