CN209280589U - A kind of supplementary lighting sources component for textile defect detection image capturing system - Google Patents
A kind of supplementary lighting sources component for textile defect detection image capturing system Download PDFInfo
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- CN209280589U CN209280589U CN201822173789.7U CN201822173789U CN209280589U CN 209280589 U CN209280589 U CN 209280589U CN 201822173789 U CN201822173789 U CN 201822173789U CN 209280589 U CN209280589 U CN 209280589U
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Abstract
The utility model discloses a kind of supplementary lighting sources components for textile defect detection image capturing system, including four groups of successively end to end light source box, the reserved area for installing miniature webcam and shading shade assembly is formed in the middle part of four groups of light source box, each light source box includes control circuit board, LED light bar, film layer and light source box dianegative, the control circuit board, it is fixedly connected between light source box dianegative by being located at the connecting column of quadrangle, the LED light bar is a plurality of and is arranged in parallel in control circuit board at equal intervals, between light source box dianegative in region, the film layer is attached to the upper surface of light source box dianegative.The shooting direction of the direction of illumination of the utility model LED light bar and the miniature webcam and shading shade assembly that are mounted in reserved area is coaxial arrangement, by being minimized from projection for tested textile, textile is remaining will not to express in digital picture from projection, have a good application prospect.
Description
Technical field
The utility model relates to textile defect detection technical fields, and in particular to one kind is used for textile defect detection figure
As the supplementary lighting sources component of acquisition system.
Background technique
Traditional textile defect detection relies primarily on artificial progress, less to use automatic detection means.With science
The fault automatic detection of the rapid advances of technology, textile is also developed rapidly.Currently, the fault of existing textile
Automatic detection in terms of digital image acquisition, it is main using the micro-lens of industrial camera or integrated single-chip sensor into
Row photoelectric conversion, usually not for the dedicated technical measures of the improvement use of digital image acquisition environment due to Image Acquisition ring
The bad problem in border, causes the precision of digital picture and reduction degree lower, therefore requires to greatly improve to image recognition technology,
Recognition confidence is difficult to reach industrial scale applications standard, not can guarantee the accuracy of textile defect detection.
Current textile defect detection image capturing system, there are no good supplementary lighting sources, cannot improve image and adopt
Collect environment.Existing supplementary lighting sources are easy to appear projecting certainly for tested textile, and textile is remaining to express from projection in number
Word image influences the accuracy of textile defect detection.Moreover, existing supplementary lighting sources control circuit is complicated, power consumption is high, production
It is at high cost, it is not easy to produce in batches and apply.
Utility model content
The purpose of the utility model is to overcome existing for existing textile defect detection image capturing system supplementary lighting sources
Problem.The supplementary lighting sources component for textile defect detection image capturing system of the utility model, can be realized light filling function
Can, and the direction of illumination of LED light bar and the shooting direction of the miniature webcam and shading shade assembly that are mounted in reserved area are
Coaxial arrangement, by minimizing from projection for tested textile, textile is remaining will not to express in digital picture from projection,
LED drive circuit is low in energy consumption, and circuit is simple, convenient for batch production, is skillfully constructed, structure novel has a good application prospect.
In order to achieve the above object, the technical scheme adopted by the utility model is
A kind of supplementary lighting sources component for textile defect detection image capturing system, including several groups successively head and the tail phase
The light source box connect, all groups of light source box middle parts form the reserved area for installing miniature webcam and shading shade assembly,
Each light source box includes control circuit board, LED light bar, film layer and light source box dianegative, the control route
It is fixedly connected between plate, light source box dianegative by being located at the connecting column of quadrangle, the LED light bar is a plurality of and puts down at equal intervals
Row is arranged between control circuit board, light source box dianegative in region, and the film layer is attached to light source box dianegative
Upper surface.
A kind of supplementary lighting sources component for textile defect detection image capturing system above-mentioned, the light source box are four
Group, four groups of light source box are successively end to end, formed in the middle part of four groups of light source box for installing miniature webcam and shading shade assembly
Reserved area.
A kind of supplementary lighting sources component for textile defect detection image capturing system above-mentioned, adjacent connecting column it
Between be provided with side block tabula rasa.
A kind of supplementary lighting sources component for textile defect detection image capturing system above-mentioned, the LED light bar
The shooting direction of direction of illumination and the miniature webcam and shading shade assembly that are mounted in reserved area is coaxial arrangement.
A kind of supplementary lighting sources component for textile defect detection image capturing system above-mentioned, the control circuit board
It is connected with LED light bar, is turned on or off for controlling LED light bar.
A kind of supplementary lighting sources component for textile defect detection image capturing system above-mentioned, the control circuit board
It is inside provided with LED drive circuit, the LED drive circuit includes transistor Q1, transistor Q2 and metal-oxide-semiconductor Q3, the transistor
The base stage of Q1 is also passed through resistance R2 and is connected to the ground by the external driving control signal of resistance R1, the base stage of the transistor Q1,
The collector of the transistor Q1 is connected by resistance R4 with control voltage Vgd, emitter and the ground phase of the transistor Q1
Connection, the collector of the transistor Q1 also pass through resistance R5 and are connected with the base stage of transistor Q2, the hair of the transistor Q2
Emitter-base bandgap grading is connected with control voltage Vgd, the collector of the transistor Q2 grid with one end of resistance R4, metal-oxide-semiconductor Q3 respectively
It is connected, the other end of the resistance R4 is connected to the ground, and the source electrode of the metal-oxide-semiconductor Q3 is connected with the anode of LED light bar, institute
The cathode for stating LED light bar is connected to the ground, and the drain electrode of the metal-oxide-semiconductor Q3 is connected with supply voltage Vd.
A kind of supplementary lighting sources component for textile defect detection image capturing system above-mentioned, the control voltage
Vgd is higher than supply voltage Vd.
A kind of supplementary lighting sources component for textile defect detection image capturing system above-mentioned, adjacent side block tabula rasa
Between there are ventilation gaps.
The beneficial effects of the utility model are: the benefit for textile defect detection image capturing system of the utility model
Radiant component can be realized light filling function, and the direction of illumination of LED light bar and the miniature webcam being mounted in reserved area
And the shooting direction of shading shade assembly is coaxial arrangement, by minimizing from projection for tested textile, textile is remaining certainly
Projection will not be expressed in digital picture, provide more accurate reliable digital image data source for image recognition technology,
So that recognition confidence is reached industrial scale applications standard, construct the good sampling environment of textile defect detection, moreover, LED drives
Circuit power consumption is low, and circuit is simple, convenient for batch production, is skillfully constructed, structure novel has a good application prospect.
Detailed description of the invention
Fig. 1 is that the structure of the supplementary lighting sources component for textile defect detection image capturing system of the utility model is shown
It is intended to；
Fig. 2 is the structural schematic diagram of the light source box of the utility model；
Fig. 3 is the overall diagram of the light source box of the utility model；
Fig. 4 is the circuit diagram of the LED drive circuit of the utility model.
Attached meaning marked in the figure is as follows:
1: light source box；2: reserved area；3: control circuit board；4:LED lamp bar；5: film layer；6: light source box dianegative；
7: connecting column；8: side block tabula rasa.
Specific embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1-Figure 3, the supplementary lighting sources group for textile defect detection image capturing system of the utility model
Part, including several groups successively end to end light source box 1, formed in the middle part of all groups of light source box 1 for install miniature webcam and
The reserved area 2 of shading shade assembly, as shown in Figure 1, the quantity of light source box 201 is four groups, four groups of light source box 201 successively head and the tail phase
It connects, forms the reserved area for installing miniature video camera head assembly 1 and shading shade assembly 3, four groups of light in the middle part of four groups of light source box 201
Source capsule 201 is convenient for assembled formation,
Each light source box 1 includes control circuit board 3, LED light bar 4, film layer 5 and light source box dianegative 6, the control
Between wiring board 3, light source box dianegative 6 by be located at quadrangle connecting column 7 be fixedly connected, the LED light bar 4 be it is a plurality of and
It is arranged in parallel between control circuit board 3, light source box dianegative 6 in region at equal intervals, the film layer 5 is attached to light source box
The upper surface of dianegative 6, film layer 5 form diffused light for stopping the soft light filling irradiated of the direct light of LED light bar 4
Source makes the near minimum from projecting of tested textile.
Preferably, it is provided with side block tabula rasa 8 between adjacent connecting column 7, there are ventilation cells between adjacent side block tabula rasa 8
Gap influences to shoot convenient for the heat dissipation of entire light source box 1 moreover, side block tabula rasa 8 can effectively prevent light from overflowing from side
Environment occurs tested textile from projection.
Preferably, the direction of illumination of the LED light bar 203 and the miniature webcam and shading that are mounted in reserved area 2
The shooting direction of shade assembly is coaxial arrangement, and direction of illumination is identical or approximate with shooting direction, and tested textile can be made residual
That stays will not express in the digital picture of shooting from projection, improve sampling effect.
The control circuit board 3 is connected with LED light bar 4, is turned on or off for controlling LED light bar 4, the control
Wiring board 3 also can control the light and shade of LED light bar 4.
It is provided with LED drive circuit in the control circuit board 202, as shown in figure 4, the LED drive circuit includes crystalline substance
The base stage of body pipe Q1, transistor Q2 and metal-oxide-semiconductor Q3, the transistor Q1 pass through the external driving control signal of resistance R1, the crystalline substance
The base stage of body pipe Q1 also passes through resistance R2 and is connected to the ground, and the collector of the transistor Q1 passes through resistance R4 and control voltage
Vgd is connected, and the emitter of the transistor Q1 is connected to the ground, and the collector of the transistor Q1 also passes through resistance R5 and crystalline substance
The base stage of body pipe Q2 is connected, and the emitter of the transistor Q2 is connected with control voltage Vgd, the current collection of the transistor Q2
Pole is connected with the grid of one end of resistance R4, metal-oxide-semiconductor Q3 respectively, and the other end of the resistance R4 is connected to the ground, the MOS
The source electrode of pipe Q3 is connected with the anode of LED light bar 4, and the cathode of the LED light bar 4 is connected to the ground, the leakage of the metal-oxide-semiconductor Q3
Pole is connected with supply voltage Vd.The LED drive circuit can replace traditional illumination driving circuit and control circuit to use light
Electric coupler isolation, and switching tube is driven using grid-driving integrated circuit, traditional illumination driving circuit and control circuit
Circuit is more complex, and higher cost, failure rate is higher, and the working principle of the LED drive circuit is as follows:
Driving control signal input logic high level drives transistor Q1 to saturated mode, and resistance R3 is made to generate voltage drop,
The lower end R3 level drives transistor Q2 to saturated mode, so that resistance R4 is generated voltage and is allowed to lead for driving metal-oxide-semiconductor Q3 grid
Lead to and provide electric current for LED light bar 203, since in switch state, metal-oxide-semiconductor Q3 is source electrode output for transistor Q1 and Q2 work in this circuit
Circuit, gain so this circuit will not generate amplification to the interference signal of input terminal parasitism, therefore need not be used less than 1
Phototube Coupling, the gate driving circuit that transistor Q1 and Q2 are constituted are controlled voltage Vgd voltage and are higher than Vd using independently-powered,
For generating gate drive voltage, specific value be Vd be 15V, Vgd17V, driving control signal 3.3V is logic high,
LED drive circuit is opened, LED light bar 4 lights, and entire circuit is simple, and it is low in cost and low in energy consumption, it is suitable for textile defect
The industrial environment of point detection.
In conclusion the supplementary lighting sources component for textile defect detection image capturing system of the utility model, energy
Enough realize light filling function, and the direction of illumination of LED light bar and the miniature webcam and shading shade assembly that are mounted in reserved area
Shooting direction be coaxial arrangement, tested textile is minimized from projection, textile is remaining will not to express from projection
In digital picture, more accurate reliable digital image data source is provided for image recognition technology, makes recognition confidence
Reach industrial scale applications standard, constructs the good sampling environment of textile defect detection, moreover, LED drive circuit is low in energy consumption, electricity
Road is simple, convenient for batch production, is skillfully constructed, structure novel has a good application prospect.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by the appending claims and its equivalent thereof.
Claims (8)
1. a kind of supplementary lighting sources component for textile defect detection image capturing system, it is characterised in that: including several groups
Successively end to end light source box (1), all groups of light source box (1) middle parts are formed for installing miniature webcam and shading shade assembly
Reserved area (2),
Each light source box (1) includes control circuit board (3), LED light bar (4), film layer (5) and light source box dianegative (6), institute
It states and is fixedly connected between control circuit board (3), light source box dianegative (6) by being located at the connecting column (7) of quadrangle, the LED
Lamp bar (4) is a plurality of and is arranged in parallel between control circuit board (3), light source box dianegative (6) in region at equal intervals, described
Film layer (5) is attached to the upper surface of light source box dianegative (6).
2. a kind of supplementary lighting sources component for textile defect detection image capturing system according to claim 1,
Be characterized in that: the light source box (1) is four groups, and four groups of light source box (1) are successively end to end, is formed in the middle part of four groups of light source box (1)
For installing the reserved area (2) of miniature webcam and shading shade assembly.
3. a kind of supplementary lighting sources component for textile defect detection image capturing system according to claim 1,
It is characterized in that: being provided with side block tabula rasa (8) between adjacent connecting column (7).
4. a kind of supplementary lighting sources component for textile defect detection image capturing system according to claim 1,
It is characterized in that: the direction of illumination of the LED light bar (4) and the miniature webcam and hood group that are mounted in reserved area (2)
The shooting direction of part is coaxial arrangement.
5. a kind of supplementary lighting sources component for textile defect detection image capturing system according to claim 1,
Be characterized in that: the control circuit board (3) is connected with LED light bar (4), is turned on or off for controlling LED light bar (4).
6. a kind of supplementary lighting sources component for textile defect detection image capturing system according to claim 5,
It is characterized in that: being provided with LED drive circuit in the control circuit board (3), the LED drive circuit includes transistor Q1, crystalline substance
The base stage of body pipe Q2 and metal-oxide-semiconductor Q3, the transistor Q1 pass through the external driving control signal of resistance R1, the base of the transistor Q1
Pole also passes through resistance R2 and is connected to the ground, and the collector of the transistor Q1 is connected by resistance R4 with control voltage Vgd, institute
The emitter for stating transistor Q1 is connected to the ground, and the collector of the transistor Q1 also passes through the base stage of resistance R5 Yu transistor Q2
Be connected, the emitter of the transistor Q2 is connected with control voltage Vgd, the collector of the transistor Q2 respectively with resistance
One end of R4, the grid of metal-oxide-semiconductor Q3 are connected, and the other end of the resistance R4 is connected to the ground, the source electrode of the metal-oxide-semiconductor Q3 with
The anode of LED light bar (4) is connected, and the cathode of the LED light bar (4) is connected to the ground, the drain electrode and power supply of the metal-oxide-semiconductor Q3
Voltage Vd is connected.
7. a kind of supplementary lighting sources component for textile defect detection image capturing system according to claim 6,
Be characterized in that: the control voltage Vgd is higher than supply voltage Vd.
8. a kind of supplementary lighting sources component for textile defect detection image capturing system according to claim 3,
Be characterized in that: there are ventilation gaps between adjacent side block tabula rasa (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822173789.7U CN209280589U (en) | 2018-12-24 | 2018-12-24 | A kind of supplementary lighting sources component for textile defect detection image capturing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822173789.7U CN209280589U (en) | 2018-12-24 | 2018-12-24 | A kind of supplementary lighting sources component for textile defect detection image capturing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209280589U true CN209280589U (en) | 2019-08-20 |
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ID=67606858
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822173789.7U Active CN209280589U (en) | 2018-12-24 | 2018-12-24 | A kind of supplementary lighting sources component for textile defect detection image capturing system |
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| Country | Link |
|---|---|
| CN (1) | CN209280589U (en) |
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2018
- 2018-12-24 CN CN201822173789.7U patent/CN209280589U/en active Active
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