CN201628190U - Light source - Google Patents
Light source Download PDFInfo
- Publication number
- CN201628190U CN201628190U CN2010203022353U CN201020302235U CN201628190U CN 201628190 U CN201628190 U CN 201628190U CN 2010203022353 U CN2010203022353 U CN 2010203022353U CN 201020302235 U CN201020302235 U CN 201020302235U CN 201628190 U CN201628190 U CN 201628190U
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- Prior art keywords
- light
- light source
- lamp socket
- support
- fixed
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Abstract
The utility model provides a light source on an image obtaining device which can be installed in a short and small space. The light source is fixed inside the image obtaining device. The light source comprises a lamp holder, a plurality of light-emitting elements arranged on the lamp holder and a support fixed onto the image obtaining device; the lamp holder is fixed onto the support; and the lamp holder is adjustable relatively to the angle of the support to change light casting directions of the plurality of light-emitting elements. The light source with simple structure is extremely convenient in disassembly, assembly and adjustment, and can heighten quality of images obtained by the image obtaining device.
Description
Technical field
The utility model relates to light source, relates in particular to a kind of light source that is used for image acquiring device.
Background technology
(printed circuit board PCB) produces, and to the operation of pcb board, as mounts, detects, and all is that the upper surface at pcb board carries out usually at printed circuit board (PCB).Therefore, corresponding image acquiring device also is arranged in the transmission track top of pcb board.But pcb board bottom surface (back side) also is provided with the image information that some are used for supplement production, for example bar code, numeral, serial number, date, specific pattern etc. usually.If discern these information, just need below the transmission track of pcb board, image acquiring device be set.Yet,, the normal image deriving means can't be installed because insufficient space, light bottom too dark and the normal image deriving means is oversize to the length of camera lens below the pcb board transmission track.Even install reluctantly, also can exist reference image identification too small, problems such as identification dead angle cause the information that gets access to not easy to identify.
The utility model content
In view of this, the utility model provides a kind of light source that is installed to the image acquiring device in a short and small space.
A kind of light source is fixed in an image acquiring device inside.Described light source comprises lamp socket, be arranged at a plurality of light-emitting components on the described lamp socket and be fixed in the support of described image acquiring device.Described lamp socket is fixed in described support, and described lamp socket is with respect to the adjustable angle joint of described support, to change the direction of described a plurality of light-emitting component throw lights.
Preferably, described lamp socket and described rack surface comprise black material.
Preferably, all offer two fixing holes on two of described lamp socket end faces.The upper surface that joins with described two end faces of described lamp socket offers a plurality of installing holes that are used to install described a plurality of light-emitting components.
Preferably, a side of described lamp socket offers the cable hole of the circuit that is used to hold described light-emitting component, and described side and described upper surface join, and described cable hole communicates with described installing hole.
Preferably, described two fixing holes are inequality to the distance of described upper surface.
Preferably, described lamp socket turns and is fixed in described support.
Preferably, offer a fixing hole and an arcuate socket on the sidewall of described support.Described arcuate socket is the center of circle with the fixing hole on the described support.Be respectively fixed to the fixing hole on the described support and the diverse location of described arcuate socket by two fixing holes,, change the direction of described a plurality of light-emitting component throw lights to realize being fixed in described support with described lamp socket is rotatable with described lamp socket.
Preferably, offer one first fixing hole and a plurality of second fixing hole on the sidewall of described support.Described a plurality of second fixing hole is that the center of circle distributes with described first fixing hole.Be respectively fixed to described first fixing hole and the second different fixing holes by two fixing holes,, change the direction of described a plurality of light-emitting component throw lights to regulate the angle of described lamp socket with respect to described support with described lamp socket.
Preferably, described light-emitting component is a light emitting diode.
Preferably, described support roughly takes the shape of the letter U.Described support comprises base plate and two the described sidewalls vertical with described base plate.Offer two elongated holes on the described base plate, be used for fixing described support to described image acquiring device.
Above-mentioned light-source structure is simple, and demolition, installation and adjusting are all very convenient, the quality of adjustable hi-vision image that deriving means obtains.
Description of drawings
Fig. 1 is the schematic diagram of the circuit board detecting system of a better embodiment, and this circuit board detecting system comprises an image acquiring device.
Fig. 2 is the part exploded view of image acquiring device among Fig. 1, and this image acquiring device comprises light source.
Fig. 3 is the another kind of part exploded view of image acquiring device.
Fig. 4 is the exploded view of light source in another embodiment.
Fig. 5 is the schematic diagram of the circuit board detecting system of another embodiment.
The main element symbol description
The specific embodiment
Fig. 1 is the schematic diagram of the circuit board detecting system 100 of a better embodiment.In the present embodiment, circuit board 200 be printed circuit board (PCB) (printed circuit board, PCB).This circuit board detecting system 100 comprises base 10, transmission track 30, drive unit 50 and image acquiring device 80 at least.Wherein, transmission track 30, drive unit 50 and image acquiring device 80 all are fixed in base 10.Drive unit 50 is used to drive transmission track 30.Drive unit 50 is a motor.Transmission track 30 is used for circuit board 200 is sent to another work station by a work station, to carry out mounting or detecting of element.Transmission track 30 can be any in the existing transmission track, the flat belt that it can comprise the rail bracket that is fixed in base 10, the synchronous band that drives with the synchromesh gear of drive unit 50 engagements, by synchromesh gear, driven by drive unit 50, guide roller, miniature line slideway etc.Image acquiring device 80 is fixed on the base 10 between the transmission track 30.When circuit board 200 during by regional directly over the image acquiring device 80, but the image information at image acquiring device 80 acquisition cuicuit plates 200 back sides.
As shown in Figure 2, among the embodiment, image acquiring device 80 comprises housing 81 and is fixed in camera lens module 83, image processor 85, light path redirector 87 and light source 89 in the housing 81.Housing 81 comprises roughly rectangular substrate 811 and is fastened on lid 813 on the substrate 811.For collection and the transmission that does not influence light, the inside and outside surface of housing 81 comprises black material, so that housing 81 inside and outside surfaces present black or blackout.
Prism fixator 873 comprises first fixed block 8731, second fixed block 8732 and the 3rd fixed block 8733.First fixed block 8731 is the regular block that a cross section is the isosceles square substantially.Below for convenience of description, the face at two right-angle side places of isosceles square is called the right angle face of first fixed block 8731, and the face at the waist place of isosceles square is the inclined-plane 8734 of first fixed block 8731, remaining two side that face is first fixed block 8731.Wherein inclined-plane 8734 is used for pasting mutually to support prism 871 with the reflecting surface 8715 of prism 871, makes the incidence surface 8711 of prism 871 be parallel to substrate 811, and exiting surface 8713 is perpendicular to the optical axis (figure does not show) of substrate 811 and camera lens module 83.
Second fixed block 8732 is roughly L-shaped, and it comprises first stopper section 8735 and second stopper section 8736 vertical with first stopper section 8735.The bottom on the inclined-plane 8734 of first fixed block 8731 is fixed in first stopper section 8735.A side of second stopper section 8736 and first fixed block 8731 offsets.
The 3rd fixed block 8733 is also roughly L-shaped, and it comprises the 3rd stopper section 8737 and four stopper section 8738 vertical with the 3rd stopper section 8737.The top on the inclined-plane 8734 of first fixed block 8731 is fixed in the 3rd stopper section 8737.The another side of the 4th stopper section 8738 and first fixed block 8731 offsets.
Thus, first fixed block 8731, second fixed block 8732 cooperate bayonet socket (host cavity) that is used to accommodate prism 871 of formation with the 3rd fixed block 8733.After prism 871 placed in this bayonet socket, reflecting surface 8715 pasted mutually with inclined-plane 8734, and incidence surface 8711 and the 3rd fixed block 8733 offset, and the exiting surface 8713 and second fixed block 8732 offset.And incidence surface 8711 is parallel to substrate 811, and exiting surface 8713 is perpendicular to substrate 811 and be parallel to the incidence surface of camera lens module 83.Light path redirector 87 receives extraneous light by incidence surface 8711, makes described extraneous light turn to the back to pass through exiting surface 8713 perpendicular projection to camera lens module 83.For collection and the transmission that does not influence light, prism fixator 873 surfaces comprise black material, so that prism fixator 873 surfaces are black.Preferably, prism fixator 873 surfaces adopt the anodizing plating to be black.
Light-emitting component 892 is that (light emitting diode, LED), the light of its generation is white light to light emitting diode.Among other embodiment, can adopt the LED of the light that produces other colour systems according to actual conditions, for example red-light LED or blue-ray LED.
In another embodiment, as shown in Figure 4, offering a fixing hole 8934 and one on each sidewall 8932 is the arcuate socket 8935 in the center of circle with fixing hole 8934.Two fixing holes 894 of lamp socket 891 are fixed to the diverse location of fixing hole 8934 and arcuate socket 8935 respectively by fixture, can be with the lamp socket 89 1 rotatable supports 893 that are fixed in, to change the direction of light-emitting component 892 throw lights.
Please referring again to Fig. 2 and Fig. 3, lid 813 comprises four sidewalls 8132 that top board 8131 reaches perpendicular to top board 8131.Position corresponding to light path redirector 87 and light source 89 on the top board 8131 offers opening 8133.Opening 8133 is a rectangle, and among other embodiment, opening 8133 can be circle, triangle etc.Offer a plurality of radiating grooves 8134 on two sidewalls 8132 relative, also offer cable hole 8135 on one in these two sidewalls 8132 with the both sides of image processor 85.The circuit of the circuit of light source 89 and image processor 85 can stretch out image acquiring device 80 from cable hole 8135.
When image acquiring device 80 is fixed in base 10, the incidence surface 8711 of light path redirector 87 should be parallel with circuit board 200 back sides on placing transmission track 30, the light that light source 89 sends is from opening 8133 ejaculations and answer specific region, covering board 200 back sides, but this specific region can be printed with identification icon information such as bar code, numeral, serial number, date.When circuit board 200 process image acquiring devices 80 tops, the light that this specific region reflection source 89 sends, light reflected can vertically be injected the incidence surface 8711 of light path redirector 87.This light of injecting turns to the back vertically to inject camera lens module 83 by exiting surface 8713 at reflecting surface 8715, thus but the distinct image of the specific region at image processor 85 generative circuit plates 200 back sides.Understandable, this image is transferred to a treatment system via circuit, and this treatment system is obtained image informations such as above-mentioned font code, numeral, serial number, date from this image.
Owing to adopted light path redirector 87, the whole height of image acquiring device 80 is identical with the thickness (top board 8131 of lid 813 is to the distance of substrate 811) of image processor 85, therefore can be installed to a short and small space.Owing to adopt light source 89 to illuminate circuit board 200 back sides, therefore can get access to circuit board 200 back side distinct image again.In addition, by moving and rotary shell 81, make the different position, incidence surface 8711 face circuit board, 200 back sides of light path redirector 87, exiting surface 8713 can reduce the dead angle of finding a view towards different directions.Also can be according to the prism 871 and the camera lens module 83 of the different choice different size of viewfinder range, install and debugging all very convenient.
In other embodiments, can be according to a plurality of image acquiring devices 80 of how much being provided with of the image that will obtain.As shown in Figure 5, compare, comprise two image acquiring devices 80,80 ' that structure is identical on the base 10 of circuit board detecting system 300 with circuit board detecting system 100.These two image acquiring devices 80,80 ' are respectively applied for the middle part at acquisition cuicuit plate 200 back sides and the image of lateral edges.Wherein, the direction of transfer vertical (optical axis of the camera lens module of image acquiring device 80 is parallel with the direction of transfer of circuit board 200) of the optical axis of the camera lens module of image acquiring device 80 ' (figure do not show) and circuit board 200, light path redirector is provided with near transmission track 30, therefore image that can acquisition cuicuit plate 200 edges, thus realize that no dead angle finds a view.
Those skilled in the art will be appreciated that; above embodiment only is to be used for illustrating the utility model; and be not to be used as qualification of the present utility model; as long as within connotation scope of the present utility model, appropriate change and variation that above embodiment is done all drop within the claimed scope of the utility model.
Claims (10)
1. light source, it is characterized in that, described light source is fixed in an image acquiring device inside, described light source comprises lamp socket, be arranged at a plurality of light-emitting components on the described lamp socket and be fixed in the support of described image acquiring device, described lamp socket is fixed in described support, described lamp socket is with respect to the adjustable angle joint of described support, to change the direction of described a plurality of light-emitting component throw lights.
2. light source as claimed in claim 1 is characterized in that, described lamp socket and described rack surface comprise black material.
3. light source as claimed in claim 1 is characterized in that, all offers two fixing holes on two end faces of described lamp socket, and the upper surface that joins with described two end faces offers a plurality of installing holes that are used to install described a plurality of light-emitting components.
4. light source as claimed in claim 3 is characterized in that, a side of described lamp socket offers the cable hole of the circuit that is used to hold described light-emitting component, and described side and described upper surface join, and described cable hole communicates with described installing hole.
5. light source as claimed in claim 3 is characterized in that, described two fixing holes are inequality to the distance of described upper surface.
6. light source as claimed in claim 3 is characterized in that, described lamp socket turns and is fixed in described support.
7. light source as claimed in claim 6, it is characterized in that, offer a fixing hole and an arcuate socket on the sidewall of described support, described arcuate socket is the center of circle with the fixing hole on the described support, be respectively fixed to the fixing hole on the described support and the diverse location of described arcuate socket by two fixing holes with described lamp socket, to realize being fixed in described support with described lamp socket is rotatable, change the direction of described a plurality of light-emitting component throw lights.
8. light source as claimed in claim 1, it is characterized in that, offer one first fixing hole and a plurality of second fixing hole on the sidewall of described support, described a plurality of second fixing hole is that the center of circle distributes with described first fixing hole, be respectively fixed to described first fixing hole and the second different fixing holes by two fixing holes with described lamp socket, to regulate the angle of described lamp socket, change the direction of described a plurality of light-emitting component throw lights with respect to described support.
9. light source as claimed in claim 1 is characterized in that, described light-emitting component is a light emitting diode.
10. as claim 7 or 8 described light sources, it is characterized in that described support roughly takes the shape of the letter U, described support comprises base plate and two the described sidewalls vertical with described base plate, offer two elongated holes on the described base plate, be used for fixing described support to described image acquiring device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010203022353U CN201628190U (en) | 2010-02-03 | 2010-02-03 | Light source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010203022353U CN201628190U (en) | 2010-02-03 | 2010-02-03 | Light source |
Publications (1)
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CN201628190U true CN201628190U (en) | 2010-11-10 |
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CN2010203022353U Expired - Fee Related CN201628190U (en) | 2010-02-03 | 2010-02-03 | Light source |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105797973A (en) * | 2015-12-02 | 2016-07-27 | 安徽宏实光机电高科有限公司 | Nozzle device of color sorter |
CN109625459A (en) * | 2019-02-15 | 2019-04-16 | 东莞市欣荣天丽科技实业有限公司 | A kind of packaging detection screening plant |
-
2010
- 2010-02-03 CN CN2010203022353U patent/CN201628190U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105797973A (en) * | 2015-12-02 | 2016-07-27 | 安徽宏实光机电高科有限公司 | Nozzle device of color sorter |
CN109625459A (en) * | 2019-02-15 | 2019-04-16 | 东莞市欣荣天丽科技实业有限公司 | A kind of packaging detection screening plant |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20120203 |