CN201688232U - LED light source used for seriplane neatness testing - Google Patents
LED light source used for seriplane neatness testing Download PDFInfo
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- CN201688232U CN201688232U CN2010202063638U CN201020206363U CN201688232U CN 201688232 U CN201688232 U CN 201688232U CN 2010202063638 U CN2010202063638 U CN 2010202063638U CN 201020206363 U CN201020206363 U CN 201020206363U CN 201688232 U CN201688232 U CN 201688232U
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- 238000012360 testing method Methods 0.000 title abstract description 6
- 238000005286 illumination Methods 0.000 abstract description 21
- 230000003749 cleanliness Effects 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- 230000003760 hair shine Effects 0.000 description 2
- 208000003464 asthenopia Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses an LED light source used for seriplane neatness testing, which comprises through three channels of independent LED light sources. Each channel of LED light source is formed by a plurality of single LED light sources which are in series connection and is provided with a light source brightness knob and a total light source brightness adjusting knob. The LED light source meets requirements that illumination in a horizontal direction of a blackboard is uniform, the illumination of the total blackboard is in a standard range, and light intensity attenuation in a perpendicular direction of the blackboard is the lowest. In addition, the LED light source is applicable to seriplane neatness testing workshops.
Description
Technical field
The utility model relates to a kind of lighting source, relates in particular to a kind of led light source that is used for raw silk blackboard cleanliness detection.
Background technology
GB/T 1798-2001 standard code, requirement to the cleanliness detection light source is: evenly soft, the average illumination that shines blackboard is 400Lx, the illumination franchise of blackboard upper and lower end and transverse axis center line is ± 150Lx, the illumination basically identical at the left and right two ends of blackboard, be blackboard vertical direction light intensity attenuation minimum, blackboard horizontal direction illumination is wanted evenly.
The seriplane test light source that meets national Specification and adopt usually has two kinds: blue frosting bulb and common fluorescent lamp.Present domestic most testing agencies or manufacturing enterprise adopt frosting bulb, but in use some is unsatisfactory, are difficult to accomplish unanimity as the horizontal direction of light source, that is to say not accomplish that almost blackboard horizontal direction illumination wants evenly; Be easy to generate the collimation error or cause misjudgment because of visual fatigue and common fluorescent light source is also coloured because of it, flicker etc. is specific.On line construction, conventional lighting sources all is integrally-regulated, will cause like this, because the blackboard vertical direction produces light intensity attenuation.What measure with illumination photometer is illumination in the middle of the blackboard when reaching 400Lx, and the blackboard top will be far longer than 400Lx, then can be less than 400Lx below the blackboard.
Thereby prior art awaits to improve and improve.
Summary of the invention
The purpose of this utility model is to provide a kind of light accurately soft, and blackboard horizontal direction illumination is even, vertical direction light intensity attenuation minimum, and simple in structure, adjusting is easy to the raw silk blackboard cleanliness detection light source.
The technical solution of the utility model comprises:
A kind of led light source that is used for the raw silk blackboard check, wherein: comprise the three paths of independent led light source; Every paths of LEDs light source is composed in series mutually by a plurality of single led light sources, and is provided with the light-source brightness adjusting knob.
The described led light source that is used for the raw silk blackboard check wherein, also is provided with total light-source brightness adjusting knob on the described three paths of LEDs light source circuits.
The described led light source that is used for the raw silk blackboard check, wherein: described three paths of independent led light source is driven by special led drive circuit respectively, and every group of led drive circuit is provided with the PWM pulse width modulator.
The described led light source that is used for the raw silk blackboard check, wherein: described PWM pulse width modulator connects microprocessor, and the output of pulse-width signal is controlled by microprocessor.
The technique effect that the utility model produces is: owing to adopt the led light source of cascaded structure, the luminous illumination unanimity of each LEDs in same loop, thus it is even to reach blackboard horizontal direction illumination.Adopt the three paths of independent led light source to form the light source of cleanliness detection, and respectively the illuminance of three positions of blackboard upper, middle and lower is carried out independent regulation, the illumination that can satisfy whole blackboard makes blackboard vertical direction light intensity attenuation minimum simultaneously again in critical field.
Description of drawings
Fig. 1 is the utility model led light source electrical block diagram;
Fig. 2 is the structural representation of raw silk seriplane test workroom.
The specific embodiment
Below in conjunction with accompanying drawing embodiment, illustrate that structural principle of the present utility model is as follows:
The structure in raw silk blackboard work for inspection room as shown in Figure 2, the raw silk blackboard that is verified places central authorities, its upper level is provided with the cleanliness light source, both sides are vertically installed with the evenness light source.The requirement of cleanliness detection light source: evenly soft, the average illumination that shines blackboard is 400Lx, the illumination franchise of blackboard upper and lower end and transverse axis center line is ± 150Lx, the illumination basically identical at the left and right two ends of blackboard, be blackboard vertical direction light intensity attenuation minimum, blackboard horizontal direction illumination is wanted evenly.
The utility model led light source circuit structure as shown in Figure 1, light source is made of the three paths of independent led light source, the brightness of the led light source on every road can independently be controlled by external knob, and the brightness of three paths of LEDs light sources simultaneously also can be by the whole control of an external knob.So both can integrally adjusting light, also can locally adjust.
Every paths of LEDs light source adopts the tactic pattern of series connection, is driven by special led drive circuit respectively, and every group of led drive circuit be by the size of its electric current of PWM pulse width modulation controlled, thereby controls the independently illumination size of led light source of every road.The output of PWM pulse-width signal is controlled by microprocessor, and the size of its output is by the external adjustable resistance control of microprocessor.
The circuit system structure of whole light source is as shown in Figure 1: adjustable resistance 1 control the 1st paths of LEDs light source, and adjustable resistance 2 controls the 2nd paths of LEDs light source, adjustable resistance 3 controls the 3rd paths of LEDs light source, adjustable resistance 4 is controlled 3 paths of LEDs light sources simultaneously.When needs are adjusted the 1st paths of LEDs light source big or small, by adjusting the size of adjustable resistance 1, microprocessor is controlled the output of the 1 road PWM pulsewidth modulation according to the size of adjustable resistance 1, controls drive current size in the led drive circuit thus, thereby adjusts the luminosity of LED.And the like.The whole if desired brightness of adjusting light source, can be by the size of adjustable resistance 4, microprocessor is controlled the output of 3 road PWM pulse-width signals simultaneously according to the amplitude of adjusting, control three drive currents in the led drive circuit thus simultaneously, thereby control the variation of 3 paths of LEDs light sources simultaneously.
In sum, the utility model adopts the led light source of cascaded structure, the luminous illumination unanimity of each LEDs in same loop, thus it is even to reach blackboard horizontal direction illumination; Adopt the three paths of independent led light source to form the light source of cleanliness detection, and respectively the illuminance of three positions of blackboard upper, middle and lower is carried out independent regulation, the illumination that can satisfy whole blackboard makes blackboard vertical direction light intensity attenuation minimum simultaneously again in critical field.Realized the purpose of this utility model.
Should be understood that above-mentioned description at specific embodiment is comparatively detailed, can not therefore think the restriction to the utility model scope of patent protection, scope of patent protection of the present utility model should be as the criterion with claims.
Claims (4)
1. a led light source that is used for the raw silk blackboard check is characterized in that: comprise the three paths of independent led light source; Every paths of LEDs light source is composed in series mutually by a plurality of single led light sources, and is provided with the light-source brightness adjusting knob.
2. the led light source that is used for the raw silk blackboard check according to claim 1 is characterized in that, also is provided with total light-source brightness adjusting knob on the described three paths of LEDs light source circuits.
3. the led light source that is used for the raw silk blackboard check according to claim 1 is characterized in that: described three paths of independent led light source is driven by special led drive circuit respectively, and every group of led drive circuit is provided with the PWM pulse width modulator.
4. the led light source that is used for the raw silk blackboard check according to claim 3 is characterized in that: described PWM pulse width modulator connects microprocessor, and the output of pulse-width signal is controlled by microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202063638U CN201688232U (en) | 2010-05-21 | 2010-05-21 | LED light source used for seriplane neatness testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202063638U CN201688232U (en) | 2010-05-21 | 2010-05-21 | LED light source used for seriplane neatness testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201688232U true CN201688232U (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202063638U Expired - Fee Related CN201688232U (en) | 2010-05-21 | 2010-05-21 | LED light source used for seriplane neatness testing |
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| CN (1) | CN201688232U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224127A (en) * | 2017-12-22 | 2018-06-29 | 马鞍山钢铁股份有限公司 | A kind of strip surface quality detection LED light source preparation method |
-
2010
- 2010-05-21 CN CN2010202063638U patent/CN201688232U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224127A (en) * | 2017-12-22 | 2018-06-29 | 马鞍山钢铁股份有限公司 | A kind of strip surface quality detection LED light source preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FOSHAN IBEL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHANG JIAN Effective date: 20120206 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 528041 FOSHAN, GUANGDONG PROVINCE TO: 528000 FOSHAN, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120206 Address after: 528000, Foshan District, Guangdong, Jiangwan three road 28, Guangdong (Foshan) software industry park A District, building 8, building fourth, 401, room, Chancheng Patentee after: Foshan Yibeier Technology Co., Ltd. Address before: 528041 Guangdong Province, Foshan city Chancheng District Road No. 20 3 Lanshi Room 203 Patentee before: Zhang Jian |
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| ASS | Succession or assignment of patent right |
Owner name: FOSHAN SOUTH INSTITUTE OF DATA SCIENCES Free format text: FORMER OWNER: FOSHAN IBEL TECHNOLOGY CO., LTD. Effective date: 20121224 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121224 Address after: 528000, Foshan District, Guangdong, Jiangwan three road 28, Guangdong (Foshan) software industry park A District, building 8, building fourth, 401, room, Chancheng Patentee after: FOSHAN ACADEMY OF SOUTH DATA SCIENCES Address before: 528000, Foshan District, Guangdong, Jiangwan three road 28, Guangdong (Foshan) software industry park A District, building 8, building fourth, 401, room, Chancheng Patentee before: Foshan Yibeier Technology Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20130521 |