CN202353852U - Voltage regulation device of automatic optical detection device - Google Patents
Voltage regulation device of automatic optical detection device Download PDFInfo
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- CN202353852U CN202353852U CN2011203847276U CN201120384727U CN202353852U CN 202353852 U CN202353852 U CN 202353852U CN 2011203847276 U CN2011203847276 U CN 2011203847276U CN 201120384727 U CN201120384727 U CN 201120384727U CN 202353852 U CN202353852 U CN 202353852U
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- regulator
- optical detection
- voltage regulation
- output voltage
- brightness
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Abstract
The embodiment of the utility model discloses a voltage regulation device of an automatic optical detection device, comprising a light source, a color card, a collection module, a voltage regulation board and a control module, wherein the color card is used for receiving the projection light of the light source; the collection module is used for collecting the brightness of a color card image; the control module is respectively connected to the collection module and the voltage regulation board and is used for controlling the voltage regulation board to carry out the output voltage regulation according to a comparison result of the current brightness collected by the collection module and the target brightness; and the output voltage of the voltage regulation board can be automatically regulated through the control module, so that the manpower is saved and the working efficiency is improved; moreover, as the a digital potentiometer is arranged on the voltage regulation board, the problem of unstable output voltage caused by the potentiometer resistance change caused by vibration can be avoided; and the automatic optical detection device can be guaranteed to work noarmally.
Description
Technical field
The utility model relates to the automated optical detection range, relates in particular to the regulator in a kind of automated optical detection equipment.
Background technology
Detect at automated optical that (Automatic Optic Inspection AOI) is based on the equipment that common deficiency that optical principle runs in coming butt welding to deliver a child to produce detects.AOI is a kind of novel test technology, and its development is rapid, and at present a lot of manufacturers have all released the AOI testing equipment.When automatic detection, machine is through camera automatic scan wiring board, images acquired; The solder joint of test and the qualified parameter in the database compare, and through image processing, check out that PCB goes up defective; And show defective or mark through display or Automatic Logos, supply maintenance personal's finishing.And can relate to a kind of regulator in the present AOI process usually; Its course of work is roughly: send the instruction of lighting a lamp by computer; Control voltage regulator control circuit output voltage changes resistance through artificial rotational potentiometer, reaches the purpose of control output voltage height.But, need artificial the intervention to carry out the potentiometer resistance adjustment, labor intensive has reduced efficient; In addition, because potentiometer is vulnerable to external vibration effects, change in resistance taking place easily, thereby make output voltage unstable, has influenced the operate as normal of entire equipment.
The utility model content
The utility model embodiment technical problem to be solved is, the regulator in a kind of automated optical detection equipment is provided, and with automatic adjusting output voltage, practices thrift manpower, increases work efficiency.
In order to solve the problems of the technologies described above; The utility model embodiment has proposed the regulator in a kind of automated optical detection equipment; Comprise light source, receive this light source projects light colour atla, the image of this colour atla imaging is carried out acquisition module, the regulator board that brightness is gathered; And, link to each other with said acquisition module and regulator board respectively, control the control module that said regulator board carries out the output voltage adjustment according to the comparative result of the current brightness of said acquisition module collection and object brightness.
Further, said acquisition module comprises camera and is installed in the image pick-up card on this camera.
Further; Said control module comprises that being used for more said current brightness and object brightness and output adjusts computer control signal, that be equiped with control card; And, link to each other, be used for the single-chip microcomputer the output voltage of said regulator board adjusted according to said adjustment control signal respectively with said computer and regulator board.
Further, said regulator board is provided with the digital regulation resistance that stops with said output voltage coupling.
Further, said light source is the LED lamp.
The utility model embodiment is through providing the regulator in a kind of automated optical detection equipment; Comprise light source, receive this light source projects light colour atla, the image of this colour atla imaging is carried out acquisition module, the regulator board that brightness is gathered; And; Link to each other with said acquisition module and regulator board respectively, control the control module that said regulator board carries out the output voltage adjustment according to the comparative result of the current brightness of said acquisition module collection and object brightness; Can adjust automatically the regulator board output voltage through control module, thereby practice thrift manpower, improve operating efficiency; In addition, because regulator board adopts digital regulation resistance, the potentiometer resistance variation that can avoid causing because of vibrations causes the output voltage problem of unstable, has guaranteed the operate as normal of automated optical detection equipment.
Description of drawings
Fig. 1 is the structure chart of the regulator in the automated optical detection equipment of the utility model embodiment.
Fig. 2 is the panel figure of the regulator in the automated optical detection equipment of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment is elaborated to the utility model.
With reference to Fig. 1; Regulator in the automated optical detection equipment of the utility model embodiment comprises that mainly the LED lamp 1 as light source, the colour atla 2 that receives this LED lamp 1 throw light, the image that this colour atla 2 is formed images carry out acquisition module, the regulator board 3 that brightness is gathered; And; Control module 3 that link to each other with acquisition module and regulator board respectively, that carry out the output voltage adjustment according to the comparative result control regulator board 3 of the current brightness of acquisition module collection and object brightness, wherein:
Acquisition module comprises camera 4 and is installed in the image pick-up card 5 on this camera 4.
And control module comprises that being used for more current brightness and object brightness and output adjusts computer 7 control signal, that be equiped with control card 6; And, link to each other with computer 7 and regulator board 3 respectively, be used for according to adjusting the single-chip microcomputer 8 that control signal is adjusted the output voltage of regulator board 3.Regulator board 3 is provided with the digital regulation resistance 9 that stops with the output voltage coupling.
Above-mentioned regulator operation principle roughly is described below:
LED lamp 1 projects light on the colour atla 2; Camera 4 and image pick-up card 5 cooperate to be gathered the image of imaging on the colour atla 2; Afterwards, computer 7 and control card 6 cooperate the brightness of extracting image through PC control software, and the nominal brightness value of this brightness and pre-stored is compared; Because the nominal brightness value is corresponding with a resistance value; Computer 7 exportable one is adjusted control signals to single-chip microcomputer 8, and single-chip microcomputer 8 is adjusted to the corresponding resistance value of nominal brightness value according to the digital regulation resistance 9 on the adjustment control signal control regulator board 3 with current resistance, and then is adjustable to the output voltage that matees with this resistance value.
The output voltage trimming process of above-mentioned regulator board 3 can be as following:
Open LED lamp 1 through PC control software, take pictures, gather brightness through colour atla 2 and camera 4; Proofread and correct the minimum output voltage of regulator board 3: computer 7 control single chip computers 8 reduce the resistance to 0 of digital regulation resistance 9, the resistance of manual adjustments correcting digital potentiometer 9 automatically; Proofread and correct the maximum output voltage of regulator board 3: the resistance that computer 7 control single chip computers 8 increase digital regulation resistance 9 automatically is to peak, the resistance of manual adjustments correcting digital potentiometer 9; The nominal brightness value that selection needs can carry out the automatic adjusting of above-mentioned output voltage; Reach the nominal brightness value and settle out, can close PC control software.
As a kind of execution mode, the regulator in the above-mentioned automated optical detection equipment can carry out supply of electric power by the 24V Switching Power Supply.
The above is the embodiment of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also are regarded as the protection range of the utility model.
Claims (5)
1. the regulator in the automated optical detection equipment; It is characterized in that; Comprise light source, receive this light source projects light colour atla, the image of this colour atla imaging is carried out acquisition module, the regulator board that brightness is gathered; And, link to each other with said acquisition module and regulator board respectively, control the control module that said regulator board carries out the output voltage adjustment according to the comparative result of the current brightness of said acquisition module collection and object brightness.
2. the regulator in the automated optical detection equipment as claimed in claim 1 is characterized in that, said acquisition module comprises camera and is installed in the image pick-up card on this camera.
3. the regulator in the automated optical detection equipment as claimed in claim 1; It is characterized in that; Said control module comprises that being used for more said current brightness and object brightness and output adjusts computer control signal, that be equiped with control card; And, link to each other, be used for the single-chip microcomputer the output voltage of said regulator board adjusted according to said adjustment control signal respectively with said computer and regulator board.
4. like the regulator in each described automated optical detection equipment in the claim 1 to 3, it is characterized in that said regulator board is provided with the digital regulation resistance that stops with said output voltage coupling.
5. like the regulator in each described automated optical detection equipment in the claim 1 to 3, it is characterized in that said light source is the LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203847276U CN202353852U (en) | 2011-10-11 | 2011-10-11 | Voltage regulation device of automatic optical detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203847276U CN202353852U (en) | 2011-10-11 | 2011-10-11 | Voltage regulation device of automatic optical detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202353852U true CN202353852U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203847276U Expired - Fee Related CN202353852U (en) | 2011-10-11 | 2011-10-11 | Voltage regulation device of automatic optical detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202353852U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228859A (en) * | 2017-05-23 | 2017-10-03 | 昆山国显光电有限公司 | Optical system and automated optical detection equipment |
| CN108279032A (en) * | 2018-01-17 | 2018-07-13 | 歌尔科技有限公司 | A kind of properties of product test method and system |
| CN112051357A (en) * | 2020-09-23 | 2020-12-08 | 电子科技大学 | Full-automatic fatty acid value determination system and method for grains |
| CN114019405A (en) * | 2021-07-15 | 2022-02-08 | 重庆康佳光电技术研究院有限公司 | Lighting test device, method and system |
-
2011
- 2011-10-11 CN CN2011203847276U patent/CN202353852U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228859A (en) * | 2017-05-23 | 2017-10-03 | 昆山国显光电有限公司 | Optical system and automated optical detection equipment |
| CN108279032A (en) * | 2018-01-17 | 2018-07-13 | 歌尔科技有限公司 | A kind of properties of product test method and system |
| CN108279032B (en) * | 2018-01-17 | 2023-09-15 | 歌尔科技有限公司 | Product performance testing method and system |
| CN112051357A (en) * | 2020-09-23 | 2020-12-08 | 电子科技大学 | Full-automatic fatty acid value determination system and method for grains |
| CN112051357B (en) * | 2020-09-23 | 2021-09-28 | 电子科技大学 | Full-automatic fatty acid value determination system and method for grains |
| CN114019405A (en) * | 2021-07-15 | 2022-02-08 | 重庆康佳光电技术研究院有限公司 | Lighting test device, method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20191011 |
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| CF01 | Termination of patent right due to non-payment of annual fee |