CN112986138A - Image detector - Google Patents
Image detector Download PDFInfo
- Publication number
- CN112986138A CN112986138A CN201911274115.9A CN201911274115A CN112986138A CN 112986138 A CN112986138 A CN 112986138A CN 201911274115 A CN201911274115 A CN 201911274115A CN 112986138 A CN112986138 A CN 112986138A
- Authority
- CN
- China
- Prior art keywords
- ccd camera
- image detector
- isolation circuit
- electrostatic protection
- detecting apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses an image detector, which comprises a CCD camera, a camera control device, a signal processing device and a main controller which are connected in sequence, wherein the main controller is connected with a display device, and the image detector is characterized in that: be provided with electrostatic protection device on the CCD camera, it can effectively avoid the influence of static to the CCD camera.
Description
Technical Field
The invention relates to the field of carrier tape detection devices, in particular to an image detector for a carrier tape.
Background
Holes for holding electronic components and positioning holes for index positioning are equidistantly distributed in the length direction of the carrier tape. In the production process of the carrier tape, the quality control mode generally comprises two modes of manual detection and machine detection, wherein the former mode is to manually detect the appearance of products on a production line, the detection efficiency is low, and the detection effect is unstable; the latter usually adopts image detection device to carry out the appearance to the product on the production line and detects, and this kind of mode detection efficiency is high, and detection effect is comparatively stable. Currently, the existing image detection device generally uses a CCD camera to capture an image. When the carrier tape image is collected, the signal collection of the CCD camera is greatly influenced due to the fact that the carrier tape and other equipment are charged with static electricity or the static electricity is generated by friction in the transmission process.
Disclosure of Invention
The invention provides an image detector for solving the technical problems, which can effectively avoid the influence of static electricity on a CCD camera.
The technical scheme adopted by the invention for solving the problems is as follows: the utility model provides an image detector, is including CCD camera, the controlling means that makes a video recording, signal processing device and the main control unit that connects gradually, be connected with display device, its characterized in that on the main control unit: and the CCD camera is provided with an electrostatic protection device. The invention is improved on the basis of the prior art, namely, the electrostatic protection device is arranged on the CCD camera, so that the influence of static electricity on image information is avoided.
Preferably, the electrostatic protection device is an antistatic film, and the antistatic film is coated on the CCD camera. Preferably, the plurality of CCD cameras are all connected to the imaging control device.
Preferably, to avoid the signal from adversely affecting the CCD camera, the signal processing device includes a signal isolation circuit.
Further, the signal isolation circuit is an optical coupling isolation circuit. Utilize optical coupling buffer circuit's unidirectionality, restrict the signal transmission direction, can effectually avoid main control unit's the reverse influence to CCD camera image acquisition of signal, and optical coupling buffer circuit's circuit structure is simple, easily realizes.
In conclusion, the beneficial effects of the invention are as follows: according to the invention, the electrostatic protection device is arranged on the CCD camera, so that the influence of static on image information is avoided.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the utility model provides an image detector, is including CCD camera, the controlling means that makes a video recording, signal processing device and the main control unit that connects gradually, be connected with display device, its characterized in that on the main control unit: and the CCD camera is provided with an electrostatic protection device.
Example 2:
in this embodiment, the electrostatic protection device is a thin film, and the CCD camera is covered with the electrostatic protection film.
The CCD cameras are multiple and all connected to the camera control device.
Example 3: the present embodiment is optimized on the basis of the above-mentioned embodiments, that is, the signal processing apparatus includes a signal isolation circuit.
The signal isolation circuit is an optical coupling isolation circuit.
As described above, the present invention can be preferably realized.
Claims (5)
1. The utility model provides an image detector, is including CCD camera, the controlling means that makes a video recording, signal processing device and the main control unit that connects gradually, be connected with display device, its characterized in that on the main control unit: and the CCD camera is provided with an electrostatic protection device.
2. The image detecting apparatus of claim 1, wherein: the electrostatic protection device is an anti-static film, and the anti-static film is coated on the CCD camera.
3. The image detecting apparatus of claim 1, wherein: the CCD cameras are multiple and all connected to the camera control device.
4. The image detecting apparatus of claim 1, wherein: the signal processing apparatus includes a signal isolation circuit.
5. The image detecting apparatus according to claim 4, wherein: the signal isolation circuit is an optical coupling isolation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911274115.9A CN112986138A (en) | 2019-12-12 | 2019-12-12 | Image detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911274115.9A CN112986138A (en) | 2019-12-12 | 2019-12-12 | Image detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112986138A true CN112986138A (en) | 2021-06-18 |
Family
ID=76332031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911274115.9A Withdrawn CN112986138A (en) | 2019-12-12 | 2019-12-12 | Image detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112986138A (en) |
-
2019
- 2019-12-12 CN CN201911274115.9A patent/CN112986138A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210618 |