CN207263661U - A kind of laser fiber detecting system - Google Patents
A kind of laser fiber detecting system Download PDFInfo
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- CN207263661U CN207263661U CN201721155320.XU CN201721155320U CN207263661U CN 207263661 U CN207263661 U CN 207263661U CN 201721155320 U CN201721155320 U CN 201721155320U CN 207263661 U CN207263661 U CN 207263661U
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- probe
- locking member
- laser
- host
- optical fiber
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Abstract
The utility model discloses a kind of laser fiber detecting system, it is related to sensor technical field；Include laser head and condenser lens in probe, as light emitting source, probe is internal to further include the optical fiber and filter lens for receiving purposes, for transmitting light is transferred back to host；Connected between probe and host by quick connector, connection wire and connector all carry electro-magnetic screen function, and protection eyeglass is provided with front side of condenser lens and filter lens；Stent is provided with the machine host, switch and locking member are installed on stent, up and down space is provided with the locking member, the switch is connected with locking member, the locking member and quick connector interlocking, the quick connector are connected by wire rod and probe；The laser reactive speed of the utility model faster, more concentrate, and detecting distance is farther by energy, while laser can realize that automated power compensates by APC circuits, therefore accuracy of detection higher.
Description
Technical field
A kind of laser fiber detecting system is the utility model is related to, belongs to sensor technical field.
Background technology
For existing LED sensor using LED as illuminating source, its modulating speed is slow, and LED is incoherent light, the diverging of light
Angle is big, causes hot spot big, and energy is not concentrated, and can be used only in close object detection, while LED is influenced by ambient temperature big,
When environment temperature is higher or lower, the fluctuation of its emitted energy is big, causes detection stability poor.
And LED class sensors have a disadvantage that：First, the short LED of LED classes sensor detecting distance；2nd, sensor response speed
Slowly；3rd, LED sensor is not suitable for the trickle object detection of modern high accuracy；The reason is caused to be：First, LED energy dissipations are big, energy
Amount cannot be concentrated；2nd, LED modulating speeds cannot arrive very high-frequency；3rd, LED is incoherent light, it is impossible to is focused into micron-sized light
Spot.
Utility model content
In view of the above-mentioned problems, the technical problem to be solved by the present invention is to provide a kind of laser fiber detecting system.
A kind of laser fiber detecting system of the utility model, it includes two machine host, probe parts, interior bag of popping one's head in
Laser head and condenser lens are included, as light emitting source, probe is internal to further include the optical fiber and filter lens for receiving purposes, is used for
Transmitting light is transferred back into host；Connected between probe and host by quick connector, connection wire and connector are all with electricity
Protection eyeglass is provided with front side of magnetic screen function, condenser lens and filter lens；Stent is provided with the machine host, is propped up
Switch and locking member are installed on frame, up and down space is provided with the locking member, the switch is connected with locking member, institute
Locking member and quick connector interlocking are stated, the quick connector is connected by wire rod and probe.
Preferably, power cord, signal wire interface are integrated with the fast connector；The pcb board of the machine body
Corresponding supporting interface can be installed.
Preferably, being integrated with optical fiber interface in the fast connector, it can install on the pcb board of machine body and accordingly match somebody with somebody
The optical fiber head of set, optical fiber head are connected with optical fiber interface.
Preferably, when the fast connector is inserted into machine body, when switch pulls out locked position, fast connector
It can be locked at by locking member on machine body.
Preferably, when the switch is pulled out to released position, locking member can unclamp, and fast connector can be extracted easily；
When machine body either wire rod or probe quick-replaceable when something goes wrong.
A kind of method of work of laser fiber detecting system, its workflow are：Open host power supply, 32 machines of ARM
Chip sends order, and driver control laser head goes out the laser of 50KHZ, and receiving portion is passed host back by optical fiber, then simulated
Circuit amplifies signal, and the a/d converter carried by ARM carries out 12 AD conversion, by analog signal digital, data it is big
Small real-time display is on seven section of eight word display screen of LED, and output control signal.
Compared with prior art, the beneficial effects of the utility model are：Laser reactive speed faster, more concentrate by energy,
Detecting distance is farther, while laser can realize that automated power compensates by APC circuits, therefore accuracy of detection higher；Laser light
Fiber amplifier can form micron-sized hot spot by lens light gathering, be particularly suitable for the Asia for detecting semiconductor chip industry
The wafer defect of micron and the micron order gold thread of binding.
Brief description of the drawings
For ease of explanation, the utility model is described in detail by following specific implementations and attached drawing.
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram popped one's head in the utility model；
Fig. 3 is circuit connection diagram in the utility model；
Fig. 4 is circuit fundamental diagram in the utility model；
Fig. 5 is the structure diagram that switch pushes interlocking position in the utility model；
Fig. 6 is the structure diagram that switch pushes locked position in the utility model；
Fig. 7 is the structure diagram that fast connector and machine body separate in the utility model；
Fig. 8 is another structure diagram of fast connector in the utility model；
Fig. 9 is another middle structure diagram of machine body in the utility model；
Figure 10 a, Figure 10 b, Figure 10 c, Figure 10 d are the various forms schematic diagram popped one's head in the utility model.
Embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, below by showing in attached drawing
Specific embodiment describes the utility model.However, it should be understood that these descriptions are merely illustrative, and it is not intended to limit this reality
With new scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily mixing
Confuse the concept of the utility model.
As shown in Figures 1 to 10, present embodiment uses following technical scheme：It includes machine host 1, probe 3
Two parts, probe 3 is interior to include laser head 3a and condenser lens 3b, and as light emitting source, reception purposes is further included inside probe 3
Optical fiber 3c and filter lens 3e, for will transmitting light transfer back to host；Pass through quick connector 2 between probe 3 and host 1
Connection, connection wire 4 and connector 2 all carry electro-magnetic screen function, can by outside electromagnetic interference shielding attenuation to 60DB with
On.Protection eyeglass 3d is provided with front side of condenser lens 3b and filter lens 3e；Stent 5 is provided with the machine host 1, is propped up
Switch 6 and locking member 7 are installed on frame 5, up and down space, the switch 6 and locking member 7 are provided with the locking member 7
Connection, the locking member 7 and 2 interlocking of quick connector, the quick connector 2 are connected by wire rod 4 with probe 3.
As shown in Figure 8, Figure 9, further, power cord, signal wire interface 2a are integrated with the fast connector 2；Institute
Corresponding supporting interface 1a can be installed by stating the pcb board of machine body 1.
As shown in Figure 8, Figure 9, further, optical fiber interface 2b is integrated with the fast connector 2, machine body 1
Corresponding supporting optical fiber head 1b can be installed, optical fiber head 1b is connected with optical fiber interface 2b on pcb board.
As shown in figure 5, further, when the fast connector 2 is inserted into machine body 1, switch 6 pulls out locked position
When, fast connector 2 can be locked on machine body 1 by locking member 7.
As shown in fig. 6, further, when the switch 6 is pulled out to released position, locking member 7 can unclamp, fast connector 2
Can easily it extract；When machine body 1, either wire rod 4 or probe 3 when something goes wrong can be with quick-replaceables.
Further, the fast connector 2 can as built in the needs of different model one or more groups of signal wires, optical fiber with
And electric source line interface.
Further, laser head 3a is combined from different condenser lens 3b in the probe 3, it is possible to achieve not similar shape
The hot spot of shape：Ultra-fine hot spot is focused on, puts hot spot, parallel laser light hot spot, one wordline hot spot of laser, to meet the different need of user
Ask.
A kind of method of work of laser fiber detecting system, its workflow are：Open host power supply, 32 machines of ARM
Chip sends order, and driver control laser head goes out the laser of 50KHZ, and receiving portion is passed host back by optical fiber, then simulated
Circuit amplifies signal, and the a/d converter carried by ARM carries out 12 AD conversion, by analog signal digital, data it is big
Small real-time display is on seven section of eight word display screen of LED, and output control signal.
The extraordinary laser fiber sensor of present embodiment, laser head and lens combination in probe, form various
Hot spot；Probe size is small, may be mounted in the small space of equipment；Laser receives light and passes host back by optical fiber；Probe with
Host is connected by special Rapid Combination connector, can carry function of shielding with the probe of quick-replaceable different size, connector
（As shown in Figure 10）；Host, by analog signal digital, is then shown on LED display by the AD conversion chip carried.
The advantages of present embodiment, is as follows：
First, collimated by lasing fluorescence, form sharp tiny hot spot, realize the distant-range high-precision monitoring of object, than
Traditional LED light source sensor, detecting distance can improve 10 times, and accuracy of detection can improve 50 times.Pass through novel simulation
Circuit configures, and the noise of analog circuit can be greatly lowered, can so realize dual platen fabric swatch and 12 AD conversion precision,
Circuit noise can be reduced to more than -70DB, can distinguish the slight change within 0.5/1000th；
2nd, light source is used a laser as, it is possible to achieve the Light Modulation of high speed, realizes high speed detection, most fast detection
Speed can reach 30US, and more than 1 times is improved than traditional LED sensor reaction speed；
3rd, by the host and probe fast connector specially developed, the freely quick connection of probe and host is realized,
Flexibly can freely it assemble in the production line.Include laser head and optical fiber in probe, can be with the corresponding quick coupling of host
And photo-sensitive cell connection.
In the description of the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " company
Connect ", " fixation " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element.For the ordinary skill in the art, can be specific
Situation understands concrete meaning of the above-mentioned term in the utility model.
The standardized element that the utility model uses can commercially, shaped piece according to specification and attached drawing
Record can carry out customized, the specific connection mode of each part is using bolt ripe in the prior art, rivet, weldering
The conventional means such as connect, machinery, part and equipment are using in the prior art, conventional model, plus circuit connection using existing
Conventional connection mode in technology, this will not be detailed here.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (3)
- A kind of 1. laser fiber detecting system, it is characterised in that：It includes two machine host, probe parts, includes in probe Laser head and condenser lens, as light emitting source, the optical fiber and filter lens for receiving purposes are further included inside probe, for inciting somebody to action Transmitting light transfers back to host；Connected between probe and host by quick connector, connection wire and connector all carry electromagnetism Protection eyeglass is provided with front side of function of shielding, condenser lens and filter lens；Stent, stent are provided with the machine host On switch and locking member are installed, up and down space is provided with the locking member, the switch is connected with locking member, described Locking member and quick connector interlocking, the quick connector are connected by wire rod and probe.
- A kind of 2. laser fiber detecting system according to claim 1, it is characterised in that：Integrated in the fast connector There are power cord, signal wire interface；The pcb board of the machine body can install corresponding supporting interface.
- A kind of 3. laser fiber detecting system according to claim 1, it is characterised in that：Integrated in the fast connector There is optical fiber interface, corresponding supporting optical fiber head can be installed on the pcb board of machine body, optical fiber head is connected with optical fiber interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721155320.XU CN207263661U (en) | 2017-09-08 | 2017-09-08 | A kind of laser fiber detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721155320.XU CN207263661U (en) | 2017-09-08 | 2017-09-08 | A kind of laser fiber detecting system |
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| Publication Number | Publication Date |
|---|---|
| CN207263661U true CN207263661U (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721155320.XU Active CN207263661U (en) | 2017-09-08 | 2017-09-08 | A kind of laser fiber detecting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470714A (en) * | 2017-09-08 | 2019-03-15 | 广州顶盛益电子科技有限公司 | A kind of laser fiber detection system |
| WO2021232339A1 (en) * | 2020-05-21 | 2021-11-25 | 南京续点通信科技有限公司 | Interface board and interface device of optical fiber test instrument |
-
2017
- 2017-09-08 CN CN201721155320.XU patent/CN207263661U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470714A (en) * | 2017-09-08 | 2019-03-15 | 广州顶盛益电子科技有限公司 | A kind of laser fiber detection system |
| WO2021232339A1 (en) * | 2020-05-21 | 2021-11-25 | 南京续点通信科技有限公司 | Interface board and interface device of optical fiber test instrument |
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