CN216160831U - Laser ranging correction line scanning camera - Google Patents
Laser ranging correction line scanning camera Download PDFInfo
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- CN216160831U CN216160831U CN202121831118.0U CN202121831118U CN216160831U CN 216160831 U CN216160831 U CN 216160831U CN 202121831118 U CN202121831118 U CN 202121831118U CN 216160831 U CN216160831 U CN 216160831U
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Abstract
The utility model discloses a laser ranging correction line scanning camera which comprises a line scanning camera self-adaptive acquisition system module, wherein the line scanning camera self-adaptive acquisition system module comprises an image acquisition module, a laser ranging module, a position adjustment module and a computer processing module, the image acquisition module is used for carrying out image acquisition on a product, the laser ranging module is used for measuring the relative position between the image acquisition module and the product, and the position adjustment module is used for driving the image acquisition module to adjust. The line scan camera self-adaptive acquisition system module comprises an image acquisition module, a laser ranging module, a position adjusting module and a computer processing module, wherein the position adjusting module can be controlled by the computer processing module to drive the image acquisition module to adjust the position of the image acquisition module in real time, so that the phenomenon that an image is unclear due to the fact that a measuring plane is not parallel to or the height of a camera is unstable can be avoided, and the automation degree is high during use.
Description
Technical Field
The utility model relates to the technical field of line scanning cameras, in particular to a laser ranging correction line scanning camera.
Background
Along with the continuous progress of society and science and technology, the scale and the degree of automation of industrial production also continuously improve thereupon, for example when scanning the work piece of production and detecting and categorizing, can adopt comparatively automatic mode to go on, just need use the line scanning camera at this in-process, the line scanning camera is line scanning camera again, and it can scan the surface of work piece to compare it through computer system, thereby can accomplish the detection and the classification to the work piece, promote the efficiency and the rate of accuracy of work piece production.
In the actual production process, a certain error often exists in the mechanical installation of a product, or the height of the product is not coordinated, and the surface is not flat enough, so that the ideal image acquisition plane and the actual image acquisition plane of the line scanning camera in the use process have deviation in some ranges, and the height difference between the two planes exceeds the current depth of field, so that the visual angle difference exists in a partial area, the quality of a target image obtained by the line scanning camera is not ideal enough, the measurement and detection result has a certain deviation from the actual state, the measurement and detection result is not accurate enough, and the target product cannot be correctly measured or detected. In the existing industrial application, the planes of a camera and a positioning workpiece are generally leveled by matching mechanical leveling with mechanical positioning, the problems of large integral leveling difficulty coefficient, long time consumption and the like exist, the problems of warping and the like exist on the surface of part of the product, and when the ordinary mechanical leveling is adopted, the pressure and friction between the mechanical leveling part and the product are easily large, so that the phenomena of indentation, even scratching and the like are easily caused to the product, and a new problem is brought to the produced manufacturing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a laser ranging correction line scanning camera.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a camera is swept to laser rangefinder correction line, includes that the line sweeps camera self-adaptation collection system module, the camera self-adaptation collection system module is swept to the line includes image acquisition module, laser rangefinder module, position adjustment module and computer processing module, image acquisition module is used for implementing image acquisition to the product, laser rangefinder module is used for measuring the relative position between image acquisition module and the product, position adjustment module is used for driving image acquisition module and adjusts, computer processing module is used for comparing laser rangefinder module measuring position and initial condition and control position adjustment module to drive image acquisition module's position and adjust.
Preferably, the image acquisition module includes camera main part and camera lens, the laser rangefinder module includes first laser rangefinder and second laser rangefinder, the externally mounted of image acquisition module and laser rangefinder module has protecting sheathing, and is provided with light filling mechanism on the shell to protecting sheathing passes through the connecting piece and installs on a set of can remove and pivoted base.
Preferably, install respectively on first laser range finder and the second laser range finder and carry out the drive division that the position removed, and first laser range finder and second laser range finder guarantee through coaxial leaded light mechanism that laser measuring point can carry out the range finding.
Preferably, the position adjusting module comprises a first motor, a second motor and a third motor, the output ends of the first motor, the second motor and the third motor are respectively connected with the image acquisition module and the laser ranging module through auxiliary adjusting mechanisms, and braking mechanisms are respectively arranged on the first motor, the second motor and the third motor.
Preferably, the computer processing module comprises a vision and operation control processing module, and the computer processing module is electrically connected with the image acquisition module, the laser ranging module and the position adjusting module respectively.
Preferably, a touch panel is disposed on the computer processing module, and the computer processing module is electrically connected to the touch panel.
The utility model has the following beneficial effects:
1. the line scanning camera self-adaptive acquisition system module comprises an image acquisition module, a laser ranging module, a position adjusting module and a computer processing module, so that when the image acquisition module acquires an image on the surface of a product, the distance measurement correction can be carried out through the laser ranging module, and the position adjusting module is controlled by the computer processing module to drive the image acquisition module to adjust the position of the image acquisition module in real time, thereby avoiding the situation that the image is unclear due to the fact that a measurement plane is not parallel to a camera or the height of the measurement plane is unstable, and further avoiding the omission of detection or classification errors of micro defects;
2. through computer processing module respectively with image acquisition module, the electric connection of laser rangefinder module and position adjustment module for image acquisition module and laser rangefinder module can carry the image and the positional information of gathering in real time to computer processing module, computer processing module can correspond the adjustment to image acquisition module's position by automatic control position adjustment module after comparing the operation, the whole in-process carries out the operation coordination through computer processing module, thereby make whole degree of automation higher.
Drawings
Fig. 1 is a schematic structural diagram of a line scanning adaptive measurement surface system module according to the present invention;
fig. 2 is a schematic view of a work flow of a line scanning adaptive measurement plane system module according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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.
Referring to fig. 1-2, a laser ranging correction line scan camera comprises a line scan camera adaptive acquisition system module, wherein the line scan camera adaptive acquisition system module comprises an image acquisition module, a laser ranging module, a position adjustment module and a computer processing module, the image acquisition module is used for carrying out image acquisition on a product, the laser ranging module is used for measuring the relative position between the image acquisition module and the product, the position adjustment module is used for driving the image acquisition module to adjust, and the computer processing module is used for comparing the position measured by the laser ranging module with an initial state and controlling the position adjustment module to drive the position of the image acquisition module to adjust;
the image acquisition module comprises a camera body and a lens, the laser ranging module comprises a first laser ranging instrument and a second laser ranging instrument, protective shells are arranged outside the image acquisition module and the laser ranging module, a light supplementing mechanism is arranged on the shells, the protective shells are arranged on a group of bases which can move and rotate through connecting pieces, the protective shells can connect and protect the image acquisition module and the laser ranging module, so that the image acquisition module and the laser ranging module can be arranged on the bases together, the bases can drive the image acquisition module and the laser ranging module to move when moving, the lens part on the image acquisition module and the laser emitting areas of the first laser ranging instrument and the second laser ranging instrument on the laser ranging module respectively extend out of the protective shells, and the image acquisition module and the laser ranging module can respectively carry out real-time image acquisition and laser ranging, further completing the subsequent operation in a matching way;
the first laser range finder and the second laser range finder are respectively provided with a driving part for carrying out position movement, and the first laser range finder and the second laser range finder ensure that laser measuring points can carry out range finding through a coaxial light guide mechanism, so that the first laser range finder and the second laser range finder can respectively move, and further the distance between the first laser range finder and the second laser range finder is changed, when a part of products are subjected to range finding, the distance between the first laser range finder and the second laser range finder can be adjusted to ensure that two groups of emitted lasers are not positioned at the same position, and further the relative position between the image acquisition module and the products can be calculated aiming at the products, thereby facilitating the subsequent generation of a comparison model of initial state position information;
the position adjusting module comprises a first motor, a second motor and a third motor, the output ends of the first motor, the second motor and the third motor are respectively connected with the image acquisition module and the laser ranging module through an auxiliary adjusting mechanism, and the first motor, the second motor and the third motor are respectively provided with a braking mechanism, so that the first motor, the second motor and the third motor can drive the bases of the image acquisition module and the laser ranging module to move in multiple directions, the positions of the image acquisition module and the laser ranging module can be adjusted according to the shape and the position of a product, the image acquisition module and the laser ranging module are located at corresponding positions, the image acquired by the image acquisition module has comparison value, meanwhile, the first motor, the second motor and the third motor are servo motors and can rotate in a reciprocating manner, and the adjustment in the reciprocating direction is carried out by matching with the auxiliary adjusting mechanism, after the adjustment is completed, the brake mechanisms on the first motor, the second motor and the third motor can respectively drive the output shaft parts of the first motor, the second motor and the third motor to be fixed, so that the stability of the image acquisition module and the laser ranging module after adjustment is ensured, the clarity of images acquired by the subsequent image acquisition module is ensured, and the accuracy of the laser ranging module in measuring position information is ensured;
the computer processing module comprises a vision and operation control processing module, the computer processing module is respectively electrically connected with the image acquisition module, the laser ranging module and the position adjusting module, so that images acquired by the image acquisition module and the laser ranging module and measured position information can be transmitted to the computer processing module in an electric signal mode, the computer processing module comprises a vision and operation control processing module, an operation control part in the vision and operation control module feeds back height change fed back by laser to the computer processing module, calculated motor correction parameters are sent to an execution motor to correct the theoretical position of a camera, the operation control part in the vision and operation control module is used for assisting in acquiring images with better quality, and the vision processing module can perform some specific analyses according to the acquired images so as to cooperate with subsequent identification and detection;
the computer processing module is provided with a touch panel and is electrically connected with the touch panel, an operator can check the detection result in real time through the touch panel on the computer processing module, and set initial corresponding positions of one or more groups of products and the image acquisition module to create a comparison model.
When the device is used, as shown in fig. 1-2, a self-adaptive measuring surface system of the line scanning camera is arranged on production equipment in a detachable mode such as a screw rod and the like, so that the subsequent detachment and maintenance are convenient, wherein an image acquisition module and a laser ranging module are arranged on a movable base through protective shells outside the image acquisition module and the laser ranging module, a touch panel is arranged on a computer processing module, the output ends of a first motor, a second motor and a third motor are respectively connected with the bases on the image acquisition module and the laser ranging module through auxiliary adjusting mechanisms, the computer processing module is respectively electrically connected with the first motor, the second motor and the third motor on a position adjusting module, the first motor, the second motor and the third motor are controlled by the touch panel to drive the image acquisition module and the laser ranging module to be adjusted to initial positions, and a light supplementing mechanism is arranged on the image acquisition module, open light filling mechanism, adjust the camera lens on the image acquisition module to appointed focus according to the product position, be convenient for follow-up camera main part can acquire enough clear image, open first laser range finder and second laser range finder on the laser range finder module simultaneously, install the drive division that carries out the position removal on through first laser range finder and the second laser range finder respectively, and first laser range finder and second laser range finder install through the mode of coaxial firmware, control first laser range finder and second laser range finder through this drive division and remove, can shine to the product simultaneously until the laser of first laser range finder and second laser range finder transmission, and shine the point is the non-coincidence state, through the electric connection of computer processing module and laser range finder module, operating personnel can set up first laser range finder and second laser range finder this moment to initial comparison through the touch panel on the computer processing module and compare to the product at this moment The state, activate the whole line scan camera self-adapting collection system module, when the product is placed at the measured position, the laser distance measuring module can measure the real-time distance by the laser generated by the first laser distance measuring instrument and the second laser distance measuring instrument, and transmit the data to the computer processing module in the form of electric signal, the image collection module can transmit the collected image to the computer processing module in the form of electric signal, the vision and operation control processing module on the computer processing module converts the electric signal into position and image information again by decoding and compares the position and image information with the initial state, when the position information corresponds to the initial state, the vision and operation control processing module further compares the image information, detect and measure the product, when the position information does not correspond to the initial state, the vision and operation control processing module obtains the adjusting direction and amplitude by transportation and transmits the adjusting command to the position adjusting module, the position adjusting module drives the base to move correspondingly through the first motor, the second motor and the third motor on the position adjusting module, meanwhile, the laser ranging module works in real time and transmits position information to the computer processing module in real time until the position information is in line with expectation, and at the moment, the image acquisition module acquires an image again and transmits the image to the computer processing module for comparison detection and measurement;
specifically, the device can be applied to high-precision defect detection and classification of display panels such as mobile phones and tablet computers in the panel manufacturing industry, the existing display panels generally rely on manual visual inspection of welded circuit boards during inspection to check whether a short circuit phenomenon of insufficient soldering exists or not, and compared with the existing mode, the device has higher accuracy and efficiency due to the fact that manual visual inspection is not relied on, and labor cost in the production process is saved;
specifically, the device can be applied to high-precision detection and classification of micro defects on wafers in the semiconductor manufacturing industry, the micro defects on the wafers in the existing semiconductor manufacturing industry are generally matched by a plurality of industrial cameras during detection, and the wafers are driven by a turntable to rotate for detection;
specifically, the device can be applied to the bearing, the high accuracy of curved surfaces such as cam detects and categorised, current bearing, curved surfaces such as cam detect time measuring and generally adopt mechanical positioning's mode to go on, in the in-service use process, need fix bearing or cam etc. one by one, and laminate through the detection part and detect it, whole process is comparatively loaded down with trivial details, can directly adopt image acquisition module to gather the picture information that corresponds position department when using the device, and compare the picture of gathering with the picture of anticipated product through computer processing module, need not the bearing, products such as cam are fixed and are adjusted the detection part and detect with the product laminating, and is convenient and fast more.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a camera is swept to laser rangefinder correction line, includes that the line sweeps camera self-adaptation collection system module, its characterized in that, camera self-adaptation collection system module is swept to the line includes image acquisition module, laser rangefinder module, position adjustment module and computer processing module, image acquisition module is used for implementing image acquisition to the product, laser rangefinder module is used for measuring the relative position between image acquisition module and the product, position adjustment module is used for driving image acquisition module and adjusts, computer processing module is used for comparing laser rangefinder module measuring position and initial condition and control position adjustment module and drive the position of image acquisition module and adjust.
2. The laser ranging correction line sweeping camera according to claim 1, wherein the image collecting module comprises a camera body and a lens, the laser ranging module comprises a first laser range finder and a second laser range finder, protective housings are mounted outside the image collecting module and the laser ranging module, a light supplementing mechanism is arranged on the housings, and the protective housings are mounted on a set of movable and rotatable bases through connecting pieces.
3. The laser ranging correction line camera according to claim 2, wherein the first laser range finder and the second laser range finder are respectively provided with a driving part for moving positions, and the first laser range finder and the second laser range finder ensure that the laser measuring point can measure the distance through a coaxial light guide mechanism.
4. The laser ranging correction line sweeping camera according to claim 1, wherein the position adjusting module comprises a first motor, a second motor and a third motor, output ends of the first motor, the second motor and the third motor are respectively connected with the image collecting module and the laser ranging module through auxiliary adjusting mechanisms, and braking mechanisms are respectively arranged on the first motor, the second motor and the third motor.
5. The laser ranging correction line scan camera according to claim 1, wherein the computer processing module comprises a vision and operation control processing module, and the computer processing module is electrically connected with the image acquisition module, the laser ranging module and the position adjustment module respectively.
6. The laser ranging correction line scan camera according to claim 1, wherein the computer processing module is provided with a touch panel and is electrically connected to the touch panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121831118.0U CN216160831U (en) | 2021-08-06 | 2021-08-06 | Laser ranging correction line scanning camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121831118.0U CN216160831U (en) | 2021-08-06 | 2021-08-06 | Laser ranging correction line scanning camera |
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| Publication Number | Publication Date |
|---|---|
| CN216160831U true CN216160831U (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121831118.0U Active CN216160831U (en) | 2021-08-06 | 2021-08-06 | Laser ranging correction line scanning camera |
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| Country | Link |
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| CN (1) | CN216160831U (en) |
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2021
- 2021-08-06 CN CN202121831118.0U patent/CN216160831U/en active Active
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