CN206146520U - A simple and easy laser monitoring device for optical fiber sensing product test - Google Patents
A simple and easy laser monitoring device for optical fiber sensing product test Download PDFInfo
- Publication number
- CN206146520U CN206146520U CN201621068549.5U CN201621068549U CN206146520U CN 206146520 U CN206146520 U CN 206146520U CN 201621068549 U CN201621068549 U CN 201621068549U CN 206146520 U CN206146520 U CN 206146520U
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- CN
- China
- Prior art keywords
- laser
- product test
- phototransistor
- processing circuit
- optical sensor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigating Or Analysing Materials By Optical Means (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a simple and easy laser monitoring device for optical fiber sensing product test, including laser instrument, phototransistor, processing circuit and sound sound signal output interface, the laser instrument sends the incident light and to the reflecting object, is received by phototransistor from the reverberation that the reflecting object reflected, phototransistor's output is connected with processing circuit's input, and processing circuit's output is connected with the input of sound signal output interface. The utility model discloses simple structure, convenient to use, low cost, principle and technology component with laser monitor technique that nevertheless can be fine show out, are fit for optical fiber sensing product test, science popularization, wide application in mill, laboratory, optical fiber sensing product test mechanism.
Description
Technical field
This utility model is related to a kind of laser monitoring device, more particularly to a kind of letter for Fibre Optical Sensor product test
Easy laser monitoring device.
Background technology
Laser is monitored has obviously advantage in main equipment monitoring, product non-contact testing field, for one
It is individual because radiation, spatial dimension, harm gas other etc. factor cause the unapproachable place of people or target, if want obtain sound letter
Breath, can be got to so as to realize monitoring on the reflecting surface of the place or target with a branch of invisible iraser, and then be obtained
The operation conditions and performance of equipment or product.
Laser is monitored because using object, using the particularity of main body, common people can only rest on word for the technology
Understanding in the meaning of face, it is impossible to intuitively experience the glamour of laser monitoring；Laser is monitored and belongs to optical engineering, photoelectric technology etc.
One important application in field, needs a kind of easy, reasonable in design simple laser monitoring device being used for.
The content of the invention
In view of the shortcomings of the prior art, the purpose of this utility model is that there is provided a kind of for Fibre Optical Sensor product
The simple laser monitoring device of product test, it is simple structure, easy to use, with low cost, but well laser can be monitored into skill
The principle and technology of art realizes that composition shows, and is adapted to Fibre Optical Sensor product test, science popularization, is widely used in factory, experiment
Room, Fibre Optical Sensor product test mechanism.
To achieve these goals, the technical solution adopted in the utility model is such：It is a kind of to produce for Fibre Optical Sensor
Product test simple laser monitoring device, including laser instrument, phototransistor, signal processing circuit and acoustical signal output connect
Mouthful, the laser instrument sends incident illumination to reverberation, and the reflected light reflected from reverberation is received by phototransistor；
The outfan of the phototransistor is connected with the input of signal processing circuit, and the outfan and sound of signal processing circuit
The input of sound signal output interface is connected.
Used as a kind of preferred version, the laser instrument includes visible laser and black light laser instrument, described visible
Light laser is the LASER Light Source of two independent controls and is encapsulated on a laser alignment platform with black light laser instrument.
Used as a kind of preferred version, the laser alignment platform includes the first controlling switch and the first battery case, and laser
Collimation platform is fixedly installed on the first three-legged support of adjustable-height and angle.
Used as a kind of preferred version, the phototransistor, signal processing circuit and voice output interface are encapsulated in one
In individual black aluminum box, the black aluminum box also includes the second battery, second switch, and the black aluminum box is arranged on a scalable height
On second A-frame of degree and angle.
Used as a kind of preferred version, the phototransistor is silicon npn phototransistor, and its center respective wavelength exists
800nm~900nm。
Used as a kind of preferred version, the signal processing circuit includes audio amplifier circuit, notch filter, bandpass filtering
Device.
Used as a kind of preferred version, the acoustical signal output interface adopts standard 3.5mm audio interface.
Compared with prior art, the beneficial effects of the utility model：This utility model simple structure, easy to use, cost
It is cheap, but well the principle and technology of laser monitoring technique can be realized into that composition shows, it is adapted to Fibre Optical Sensor product
Test, science popularization, are widely used in factory, laboratory, Fibre Optical Sensor product test mechanism.
Description of the drawings
Fig. 1 is structured flowchart of the present utility model.
Specific embodiment
This utility model is further described with reference to specific embodiment.Following examples are only used for clearly
The technical solution of the utility model is illustrated, and protection domain of the present utility model can not be limited with this.
Embodiment：
As shown in figure 1, a kind of simple laser monitoring device for Fibre Optical Sensor product test, including laser instrument 1, photoelectricity
Transistor 2, signal processing circuit 3 and acoustical signal output interface 4, the laser instrument 1 sends incident illumination to reverberation 5,
The reflected light reflected from reverberation 5 is received by phototransistor 2；At the outfan and signal of the phototransistor 2
The input of reason circuit 3 is connected, and the outfan of signal processing circuit 3 is connected with the input of acoustical signal output interface 4
Connect.
This utility model preferably laser instrument 1 includes visible laser and black light laser instrument, the visible ray
Laser instrument is the LASER Light Source of two independent controls and is encapsulated on a laser alignment platform with black light laser instrument；Implement
When laser instrument 1 send visible and sightless incident illumination to reverberation 5, the laser alignment platform can ensure that visible light lasers
The light that device sends with black light laser instrument is set to the laser light of two independent controls in parallel position, wherein laser instrument 1
Source facilitates device debugging, device debugging initial stage to open visible laser, etc. the phototransistor 2 of receiving light reflected light is received
After can close visible laser, open black light laser instrument, then finely tune.
This utility model preferably laser alignment platform includes the first controlling switch and the first battery case, and laser alignment
Platform is fixedly installed on the first three-legged support of adjustable-height and angle；First three-legged support can freely adjust height and
Angle.
This utility model preferably phototransistor 2, signal processing circuit 3 and voice output interface is encapsulated in one
In black aluminum box, the black aluminum box also includes the second battery, second switch, and the black aluminum box is arranged on an adjustable-height
On the second A-frame of angle；The phototransistor 2 is silicon npn phototransistor, and its center respective wavelength exists
800nm~900nm；The signal processing circuit 3 includes audio amplifier circuit, notch filter, band filter, notch filter
The impact of device filtering environmental light source, to further filter out hum, other resistance, capacity cell are closely placed on conjunction to band filter
Put right position；The acoustical signal output interface 4 adopts standard 3.5mm audio interface；Audio frequency amplifies IC and selects LM386, other electricity
Resistance, capacity cell are closely placed on correct position；Volume adjusting selects adjustable precision resistance, resistance adjustment knob to be arranged on black
On aluminum box, the same face is also equipped with second switch and 3.5mm audio interface, and phototransistor 2 is installed in the face corresponding with the face,
Photosensitive part is exposed at outside black aluminum box；All parts are powered using the second battery in black aluminum box, and second battery is 9V batteries,
Black aluminum box is arranged on the second A-frame of an adjustable-height and angle, and the second three-legged support can freely adjust height
Degree and angle.
When being embodied as, from 5v red lasers and 5v infrared lasers, two-laser back gauge is 3mm to laser instrument 1, two
Individual laser instrument is parallel to be transmitted in light on reverberation 5, because sound causes the microvibration of the such as windowpane of reverberation 5, thus
The position of the laser spot of reflection changes, and then phototransistor 2 receives the laser signal of reflection and passes through signal processing
Circuit 3 is converted into the signal of telecommunication, can be worn during regulation from more satisfactory reverberation 5 such as clean glass to reach effect
Wear earphone and facilitate pickoff signals acoustical signal, adjust the second A-frame, make reception signal reach optimum efficiency.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model know-why, some improvement and deformation can also be made, these change
Enter and deform also to should be regarded as protection domain of the present utility model.
Claims (7)
1. a kind of simple laser monitoring device for Fibre Optical Sensor product test, it is characterised in that：It is brilliant including laser instrument, photoelectricity
Body pipe, signal processing circuit and acoustical signal output interface, the laser instrument sends incident illumination to reverberation, from reverberation
On the reflected light that reflects received by phototransistor；The outfan of the phototransistor and the input of signal processing circuit
End is connected, and the outfan of signal processing circuit is connected with the input of acoustical signal output interface.
2. a kind of simple laser monitoring device for Fibre Optical Sensor product test according to claim 1, its feature exists
In：The laser instrument includes visible laser and black light laser instrument, the visible laser and black light laser
Device is the LASER Light Source of two independent controls and is encapsulated on a laser alignment platform.
3. a kind of simple laser monitoring device for Fibre Optical Sensor product test according to claim 2, its feature exists
In：The laser alignment platform includes the first controlling switch and the first battery case, and laser alignment platform be fixedly installed on it is adjustable
On first three-legged support of section height and angle.
4. a kind of simple laser monitoring device for Fibre Optical Sensor product test according to claim 1, its feature exists
In：The phototransistor, signal processing circuit and voice output interface are encapsulated in a black aluminum box, the black aluminum
Box also includes the second battery, second switch, and the black aluminum box is arranged on the second A-frame of an adjustable-height and angle
On.
5. a kind of simple laser for Fibre Optical Sensor product test according to any one in claim 1 ~ 4 monitors dress
Put, it is characterised in that：The phototransistor is silicon npn phototransistor, and its center respective wavelength is in 800nm ~ 900nm.
6. a kind of simple laser for Fibre Optical Sensor product test according to any one in claim 1 ~ 4 monitors dress
Put, it is characterised in that：The signal processing circuit includes audio amplifier circuit, notch filter, band filter.
7. a kind of simple laser for Fibre Optical Sensor product test according to any one in claim 1 ~ 4 monitors dress
Put, it is characterised in that：The acoustical signal output interface adopts standard 3.5mm audio interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621068549.5U CN206146520U (en) | 2016-09-21 | 2016-09-21 | A simple and easy laser monitoring device for optical fiber sensing product test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621068549.5U CN206146520U (en) | 2016-09-21 | 2016-09-21 | A simple and easy laser monitoring device for optical fiber sensing product test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206146520U true CN206146520U (en) | 2017-05-03 |
Family
ID=58619741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621068549.5U Expired - Fee Related CN206146520U (en) | 2016-09-21 | 2016-09-21 | A simple and easy laser monitoring device for optical fiber sensing product test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206146520U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562650A (en) * | 2018-06-01 | 2018-09-21 | 李霆睿 | A kind of passive monitoring device and passive monitoring system |
| CN111486937A (en) * | 2019-12-13 | 2020-08-04 | 武汉光谷航天三江激光产业技术研究院有限公司 | Distributed optical fiber sound wave and vibration fusion type sensing system |
| CN114136431A (en) * | 2021-12-10 | 2022-03-04 | 董林鹭 | Acoustic sensor based on optics |
-
2016
- 2016-09-21 CN CN201621068549.5U patent/CN206146520U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562650A (en) * | 2018-06-01 | 2018-09-21 | 李霆睿 | A kind of passive monitoring device and passive monitoring system |
| CN111486937A (en) * | 2019-12-13 | 2020-08-04 | 武汉光谷航天三江激光产业技术研究院有限公司 | Distributed optical fiber sound wave and vibration fusion type sensing system |
| CN114136431A (en) * | 2021-12-10 | 2022-03-04 | 董林鹭 | Acoustic sensor based on optics |
| CN114136431B (en) * | 2021-12-10 | 2024-11-01 | 董林鹭 | Acoustic sensor based on optics |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170503 Termination date: 20170921 |