CN206460470U - A kind of bar code is quick and long depth of field test system - Google Patents
A kind of bar code is quick and long depth of field test system Download PDFInfo
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- CN206460470U CN206460470U CN201720086897.3U CN201720086897U CN206460470U CN 206460470 U CN206460470 U CN 206460470U CN 201720086897 U CN201720086897 U CN 201720086897U CN 206460470 U CN206460470 U CN 206460470U
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- rotary turnplate
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Abstract
A kind of bar code described in the utility model is quick and long depth of field test system, including：Stand, the stand is provided with guide rail；One reading device grabs frame and is fixed on guide rail and is slidably matched with the guide rail vertically, and the reading device is grabbed and at least one reading device is removably fixed with frame, and the reading device is connected with host computer；One rotary turnplate is fixed on the end of guide rail vertically, and the rotary turnplate is driven by servomotor to be rotated；At least one yard, the positive bar code of reading device dial sights are disposed with the disk front of the rotary turnplate.The mobile adaptability for measuring recognition product under friction speed that can be quantified by this test system, foundation is provided for the recognition performance of bar code recognizing apparatus.
Description
Technical field
The utility model is related to automatic identification technology field, and uses bar code or two-dimensional bar code as information transmission
The other industry of medium, more particularly to a kind of bar code is quick and long depth of field test system.
Background technology
It can only be tested in the movement adaptive testing of traditional bar code decoding device by artificial Mobile barcode, it is manually operated
With uncertainty, the speed that artificial Mobile barcode is produced can only lean on the speed of artificial perception velocities, be marked without specifically weighing
Accurate and artificial translational speed is limited, if the mobile adaptability of scanner exceedes artificial translational speed, the movement adaptability can not
Test.It is generally to inscribe that artificial movement, which exists all,：First, error is big, the deviation caused by artificially judging translational speed, will cause movement
The deviation of adaptability result；2nd, time cost is big, and tester needs to repeat the operation several times by hand；3rd, limitation, it is artificial to move
Dynamic speed is limited.
Utility model content
The purpose of this utility model is, proposes a kind of shifting for measuring bar code recognizing apparatus under friction speed that can be quantified
Dynamic adaptability, foundation is provided for the recognition performance of bar code recognizing apparatus, solves existing artificial Mobile barcode and there is test data not
Precisely the problem of.
To achieve these goals, the technical scheme that the utility model is used for：
A kind of bar code is quick and long depth of field test system, including：
Stand, the stand is provided with guide rail；
One reading device grabs frame and is fixed on guide rail and is slidably matched with the guide rail vertically, and the reading device is grabbed on frame
At least one reading device is removably fixed with, the reading device is connected with host computer；
One rotary turnplate is fixed on the end of guide rail vertically, and the rotary turnplate is driven by servomotor to be rotated；
At least one yard, positive one of the reading device dial sights are disposed with the disk front of the rotary turnplate
Code.
Wherein, the reading device grabs frame and is included in the pedestal slided on the guide rail and is fixed on the centers of pedestal Shang You mono-
It is fixed with removable gripper, the removable gripper and grabs on the leg that point extends to same plane different directions, each leg
Possess the first reading device, positive first bar code of the first reading device dial sights, first bar code is along rotary turnplate
Circumferentially.
Wherein, positive first bar code of the disk of rotary turnplate is arranged in same concentric circumferences.
Wherein, in addition to a light compensating apparatus, the light collection of the light compensating apparatus is in the first bar code of concentric circumferences.
Wherein, the light compensating apparatus includes the multiple light filling units of underframe and tilting rack on underframe, the light filling list
Member projects a lighting pattern around underframe arrangement, the multiple light filling unit, and the lighting pattern converges in underframe and enclosed
Around shadow surface center；The light filling unit includes support plate；One light source is fixed on the front of support plate, is shone described in the light source projects
Bright pattern, one lens of light source surface laminating；The light source connects a light modulator.
Wherein, the quantity of the leg is 4.
Wherein, the leg combines to form X-type structure.
Wherein, the reading device grabs frame center position and is fixed with one second reading device, the rotary turnplate center
It is fixed with one second bar code.
Wherein, a PLC is connected with electric machine controller, and the electric machine controller sends rotating speed to servomotor and referred to
Order, the output shaft of the servomotor connects the synchronizing wheel on driving rotating disk main shaft by timing belt, and the synchronizing wheel is rotated and driven
Dynamic rotating disk main shaft rotation drives rotary turnplate rotation.
Wherein, it is provided with a graduated scale beside the guide rail.
The beneficial effects of the utility model are：
First, the system is used for the test of bar code recognizing apparatus, including but not limited to one-dimensional or two-dimentional hand-scanner, solid
Fixed pattern generic scanner, industrial bar codes scanner, reading engine and the test for possessing the terminal device of bar code identification function etc..
2nd, the mobile recognition energy for measuring bar code recognizing apparatus under different translational speeds that can be quantified by this test system
Power, described bar code is quick and reading device of long depth of field test system is grabbed frame and can slided along the guide rail and walked.Carrying out
When mobile test, the first reading device is fixed on reading device and grabbed on frame, and reading device is grabbed into frame and is fixed on guide rail
A certain position, drives rotary turnplate to rotate and causes reading device to scan the first bar code in rotary turnplate and known by motor
Read, the first reading device sends the recognition data for scanning acquisition to host computer, recognition data progress processing is obtained by host computer
Take the mobile recognition result of the first reading device.The precision of the translational speed of the test system can reach 1mm/s, and this is artificial
What operation can not compare.
3rd, the field depth for measuring bar code recognizing apparatus that can be quantified by this test system, is carrying out depth of field test
When, mobile reading devices grab frame on guide rail, change the distance between the first reading device and the first bar code, again by
Motor driving rotary turnplate, which rotates, make it that the first bar code in the first reading device scanning rotary turnplate is distinguished, so past
It is multiple, depth of field test is carried out by changing the distance between the first reading device and the first bar code, the recognition of the first reading device is obtained
Farthest, minimum distance.
4th, above-mentioned test system can carry out the Z axis recognition angle measurement of recognizing apparatus, when carrying out recognition angle measurement,
Reading device grabs the second bar code of the second reading device recognition rotary turnplate center of frame center position.Moved up in guide rail
Dynamic reading device grabs the position of frame, changes the distance between the second reading device and the second bar code, is driven again by servomotor
Dynamic rotary turnplate, rotary turnplate is rotated to after the recognition angle of setting (any angle between such as 0-360 °) rotating disk and stops rotation
Turn, the second bar code on the second reading device scanning rotation plate is distinguished, then rotary turnplate causes the second bar code to rotate again
To next recognition angle, and so on, the recognition angular range of the second reading device recognition is obtained.
5th, aforesaid way solves the performance test that bar code recognizing apparatus is decoded to bar code on the move, by this survey
What test system can be quantified measures the mobile adaptability that product is distinguished under friction speed, and field depth, Z axis recognition angle model
Enclose, foundation is provided for the recognition performance of bar code recognizing apparatus.
6th, by controlled motor rotating speed so as to control the rotating speed of rotary turnplate, the change of rotary turnplate rotating speed causes rotation
Bar code translational speed on rotating disk equally changes.The mobile speed of bar code difference can accurately be controlled by being driven using motor
Degree, changes the artificial deviation judged caused by bar code translational speed of tradition, improves the accuracy of mobile adaptive testing result.
Brief description of the drawings
Fig. 1 is that the utility model bar code is quick and structural representation of long depth of field test system；
Fig. 2 is that the utility model bar code is quick and structural representation of rotary turnplate of long depth of field test system；
Fig. 3 is that the utility model bar code is quick and positive structure schematic of rotary turnplate of long depth of field test system；
Fig. 4 is that the utility model bar code is quick and reading device of long depth of field test system grabs the structural representation of frame；
Fig. 5 is that the utility model bar code is quick and structural representation of light compensating apparatus of long depth of field test system；
Fig. 6 is that the utility model bar code is quick and structural representation of light compensating apparatus of long depth of field test system；
Fig. 7 is that the utility model bar code is quick and structure schematic diagram of light filling unit of long depth of field test system；
Fig. 8 is that the utility model bar code is quick and Facad structure of light filling unit of light compensating apparatus of long depth of field test system
Schematic diagram.
Reference is：
Reading device grabs frame -1, pedestal -11, leg -12, may move gripper -13, stand -2, guide rail -21, and rotary turnplate -
3, the first bar code -31, cover body -32, rotating disk main shaft -33, timing belt -34, PLC -35, the second bar code -36, light filling dress
Put -40, light filling unit -42, lighting pattern -41, support plate -420, pillar -421, U-shaped bar -422, fin -423, fan -
424, lens -425, underframe -43.
Embodiment
The utility model is described in detail below with reference to embodiment shown in the drawings.But these embodiment party
Formula is not intended to limit the utility model, structure that one of ordinary skill in the art is made according to these embodiments, method or
Conversion functionally is all contained in protection domain of the present utility model.
Reading device described in embodiment of the present invention as described below includes but is not limited to one-dimensional or two-dimentional hand-held scanner
Device, fixed generic scanner, industrial bar codes scanner, reading engine and possesses terminal device of bar code identification function etc..
Refering to shown in Fig. 1 to Fig. 8, a kind of bar code that an embodiment of the present invention is provided is quick and long depth of field test system,
Including：
Stand 2, the stand 2 is provided with guide rail 21；
One reading device grabs frame 1 and is fixed on guide rail 21 and is slidably matched with the guide rail 21 vertically, the reading device
Grab and at least one reading device is removably fixed with frame 1, the reading device is connected with host computer；
One rotary turnplate 3 is fixed on the end of guide rail 21 vertically, and the rotary turnplate 3 is driven by motor to be rotated；
At least one yard, positive one of the reading device dial sights are disposed with the disk front of the rotary turnplate 3
Code.
In an improved embodiment, the reading device grabs frame 1 and is included in the pedestal 11 slided on the guide rail 21
And it is fixed on that be fixed with the leg 12 extended on pedestal 11 from a central point to same plane different directions, each leg 12 can
Being grasped on mobile gripper 13, the removable gripper has the first reading device, the first reading device dial sights positive the
One bar code, first bar code along rotary turnplate circumferentially.In another embodiment, the reading device is grabbed frame 1 and included
The pedestal 11 that is slided on the guide rail 21 and the telescopic rod extended on pedestal 11 to different directions is fixed on, the first recognition dress
Put and be detachably secured on telescopic rod, first reading device is securable to the centre or end of telescopic rod.Pass through
The length of adjustment telescopic rod is the position of adjustable first reading device, so that the first reading device aims at the first bar code
31 carry out barcode scanning recognition.
The test system, reading device is grabbed the first reading device quantity fixed on frame 1 and can set according to demand, can consolidate
Fixed 1,2,3,4 even more first reading devices, every one first reading device are aimed in rotary turnplate 3 at least
One the first bar code 31 so that the data that the first reading device can be distinguished in the first bar code 31 carry out recognition test.It is described can
Mobile gripper 13 is fixed on leg 12 using bolt clamp device or anchor ear device binding, when needing mobile first reading device
Position when, removable gripper 13 is moved by adjustment bolt fastener or anchor ear device, so that mobile first reading device.
In one embodiment, the removable gripper 13 includes claw and base portion, and the base portion is provided with U-type groove, the U-type groove snapping
On leg 12, the U-shaped top of the U-type groove is by bolt grafting, and which enables removable gripper 13 to be fixed on leg
On 12, when needing to adjust the position of the first reading device, it is that may move the removable gripper 13 to unclamp bolt, so as to realize
First reading device is moved.In yet another embodiment, the base portion of the removable gripper 13 is provided with anchor ear device, described armful
Bind round device can using the general hooping structure of in the market, by anchor ear device can efficiently elastic removable gripper 13 so as to real
Existing first reading device movement.
In an improved embodiment, positive first bar code of disk of rotary turnplate is arranged in same concentric circumferences
On, the first bar code in same concentric circumferences can carry out faster circular motion with same angular speed, linear velocity, by first
Plaiting is placed in same concentric circumferences so that the test system can carry out same performance survey to multiple first reading devices simultaneously
Examination.
In above-mentioned embodiment, the quantity of the leg 12 or telescopic rod could be arranged to 4, the leg 12 or can
Expansion link combines to form X-type structure.Leg 12 or telescopic rod combine the X-type structure to be formed shown in reference picture 1 and Fig. 4, in order to
Ensure X-type stabilized structure, can be reinforced in the two neighboring leg 12 or telescopic rod module of X-type structure by reinforcing bar.
In one embodiment, as shown in fig.1, the reading device, which grabs frame center position, is fixed with one second recognition
Device (not shown), the rotary turnplate center is fixed with one second bar code 36.Second reading device aims at the second bar code
36, the second reading device can carry out recognition decoding to the second bar code 36.Second bar code 36 is entered under the driving of rotary turnplate
0-360 ° of rotation of row, when the test of the second reading device is carried out, rotates the rotary turnplate and rotates to the second bar code 36
Certain angle (angle refers to the angle between the second bar code 36 and trunnion axis), and make it that the recognition of the second reading device is described
Second bar code 36 carries out recognition angle measurement, continues to change the angle between the second bar code 36 and trunnion axis, in this condition should
Second bar code 36 is distinguished with the second reading device and carries out recognition angle measurement, and so on, by changing the second bar code 36
Angle between trunnion axis is to test the recognition angular properties of the second reading device.The angle that second bar code 36 rotates can
By PLC control, the anglec of rotation of the second bar code 36 can accurately be controlled by PLC, so as to realize
Second reading device Z axis distinguishes the accurate test of angular properties.
Rotated as shown in fig.2, the rotary turnplate 3 is driven by servomotor, the servomotor can freely control rotation
Walk around the speed of disk, the rotational angle of rotary turnplate.The PLC 35 is connected with electric machine controller, the motor control
Device sends rotary speed instruction to servomotor, and the output shaft of the servomotor is connected on driving rotating disk main shaft 33 by timing belt 34
Synchronizing wheel, the synchronizing wheel, which rotates driving rotating disk main shaft 33 and rotated, drives rotary turnplate 3 to rotate.It is described in the embodiment
PLC 35 is a kind of programmable logic controller (PLC), is a kind of digital electronic device with microprocessor, for automating
The Digital Logic control of control, control instruction can be loaded memory storage at any time with performing, controlled in the prior art using PLC
The controlled motor of device 35 rotation processed is a kind of conventional technological means.Servomotor is can control to survey by setting PLC 35
Try required rotating speed rotation.PLC sends rotary speed instruction or corner is instructed to servomotor controller, servomotor control
Device control servomotor rotation processed, servomotor rotation drives the synchronizing wheel on deboost axle to make deboost axle so as to drive timing belt
Rotate, the synchronizing wheel driving rotating disk main shaft on deboost axle drives turntable rotation.The servomotor is installed on the back of the body of rotary turnplate
Face position, the range of speeds of rotary turnplate is 0-358r/min, and the translational speed of corresponding first bar code can reach 15m/s.Should
The deceleration transmission system of timing belt and synchronizing wheel can be replaced by gear transmission reducing system in embodiment.Servomotor can be used
Stepper motor is replaced.In order to mitigate the weight of rotary turnplate, rotary inertia is reduced, rotary turnplate can be arranged to the knot of hollow out
Structure, cuts away multiple circular holes not of uniform size in the card of rotary turnplate.
In above-mentioned embodiment, the rotary turnplate can be fixed on the end of guide rail, the guide rail 21 using following manner
End be fixed with support bar, the live spindle of rotary turnplate 3 is rotatably fixed on supporting bar top.The two ends of live spindle
Protrude out one end connection rotary turnplate 3 of support bar, wherein live spindle, other end connection synchronizing wheel.Synchronizing wheel and servo electricity
Machine output shaft is connected by timing belt 34, therefore, and servo motor output shaft rotation drives synchronizing wheel to rotate so that 3 turns of rotary turnplate
It is dynamic.In order to ensure safety, can rotary turnplate 3 back side fixed enclosure 32, the cover body 32 by servomotor, timing belt 34,
The parts such as synchronizing wheel are enclosed in closing space, prevent user from touching, and can ensure the safety of user.
In order to determine the distance between the first bar code 31 in rotary turnplate 3, the second bar code 36 and reading device, above-mentioned implementation
The one of mode is improved in embodiment, and the side of guide rail 21 is provided with a graduated scale.By checking that readable scale can be fast
The distance between the first bar code 31, the second bar code 36 and reading device, test of the convenient use person to reading device are known fastly
The depth of field is understood.
Refering to shown in Fig. 1 and Fig. 3, in above-mentioned embodiment, the quantity for the bar code 31 being fixed in rotary turnplate 3 can be
1st, 2,3 ... first bar codes 31 can be fixed on the optional position of rotary turnplate 3 so that the first reading device can aim at bar code
.Every one first bar code 31 can be arranged on different circumference or can be arranged on same concentric circle.One improves
In embodiment, positive first bar code 31 of the disk of rotary turnplate 3 is arranged in same concentric circumferences, every one first bar code
31 are set with fixed spacing, and accurately collection reading device distinguishes speed by this way.
Refering to shown in Fig. 1, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, in the another improvement embodiment of above-mentioned embodiment, in addition to
One light compensating apparatus 40, the light collection of the light compensating apparatus 40 is in the first bar code 31 of concentric circumferences.Specifically, the light filling
Device 40 includes the multiple light filling units 42 of underframe 43 and tilting rack on underframe 43, and the light filling unit 42 is around the bottom
Frame 43 arranges that the multiple light filling unit 42 projects a lighting pattern 41, and the lighting pattern 41 converges in underframe 43 and surrounded
Shadow surface center；The light filling unit 42 includes support plate 420；One light source is fixed on the front of support plate 420, the light source projects
The lighting pattern 41, one lens 425 of light source surface laminating；The light source connects a light modulator.
The multiple light filling units 42 arranged around the underframe 43 can carry out light filling from different directions, in the photograph of underframe 43
She Mian realizes at center uniform, the light field environment of high brightness in certain limit.When testing light filling applied to bar code, the device energy
For bar-code label provide uniformly, quantification, adjust accurate brightness.
The underframe 43 can be hollow framework, and the lighting pattern 41 that multiple light filling units 42 are projected will pass through underframe 43
Needed for projecting on the object of light filling.
The lens 425 use convex lens, and convex lens have the effect of convergence to light, strengthen light filling effect.
The light modulator can adjust the different brightness of light source.Promote the light source of mean power by decreasing or increasing voltage
Produce the light output of varying strength.By light modulator carry out voltage, electric current regulation, reach light-source brightness precisely, quantification adjust
The purpose of section, the mode of operation is simple and easy to apply, it is easy to accomplish, without passing through complicated process control.
The light filling unit 42 of the tunable light source apparatus also includes a radiating subassembly, and the radiating subassembly includes support plate 420
One fin 423 of end connection a, fan 424 of fitting on the fin 423, the fan 424 is arranged with light source homonymy.
The heat produced during the conduction of fin 423 light source luminescent, the operation of fan 424 carries out wind-cooling heat dissipating, and the radiating subassembly will
The heat that light source is produced is radiated, and is prevented light source from continuously working in an environment of high temperature and is influenceed its using effect, using scattered
The heat that hot component produces light source is distributed in time can extend the service life of light source.In a specific embodiment, the light
Source can use LED, Halogen lamp LED or xenon lamp.
Angle between the light path and shadow surface of the light filling unit 42 is 45 °, the light path and photograph of multiple light filling units 42
Penetrate incident in the way of 45° angle between face, shadow surface center convergence one lighting pattern 41 of formation surrounded in underframe 43.Using
45 ° of incident modes can prevent from producing reflective phenomenon from shadow surface, it is ensured that good light filling effect.
The light filling unit 42 is set up on underframe 43 by U-shaped support, and the U-shaped support includes two one spacings of interval
From pillar 421 and the U-shaped bar 422 that is fixed between two pillars 421；The pillar 421, which is tilted, is fixed on the outer of underframe 43
Week, light filling unit 42 is fixed on U-shaped bar 422.In order to ensure that light filling unit 42 can be firmly fixed, by the frame of light filling unit 42
It is located on U-shaped bar 422, U-shaped bar 422 produces supporting role to light filling unit 42, pillar 421 supports the U-shaped bar 422, so that
Enable light filling unit 42 with default angle tilting rack on underframe 43.The pillar 421 is with the outer angle of underframe 43
45 °, light source optical path is parallel with pillar 421.The pillar 421 is tilted using 45° angle with underframe 43 and fixed, and sets the light source
Light path is parallel with pillar 421, so that it is incident in the way of 45° angle between the light path and shadow surface of multiple light filling units 42,
Shadow surface center convergence one lighting pattern 41 of formation surrounded in underframe 43, it is incident using 45 ° by the way of can prevent from photograph
Penetrate face and produce reflective phenomenon, it is ensured that good light filling effect.
The underframe 43 can be excellent using shapes such as annular, square, circle, rhombus, trapezoidal, triangle, polygons
Choosing, the underframe 43 is square frame, can be evenly distributed in square using square structure, the light filling unit 42
The surrounding of frame, the quantity of the light filling unit 42 can use 4.The light that 4 light filling units 42 are produced is from four different azimuths
Shadow surface is irradiated so that be centrally formed no shadow, in a balanced way luminous environment in shadow surface.
In embodiments of the present invention, the light compensating apparatus 40 is suspended on the front of rotary turnplate 3, and causes light compensating apparatus
40 light collection is in the first bar code 31 of concentric circumferences.As shown in fig.5, the light collection of the light compensating apparatus 40 is being mended
At the central point 41 of electro-optical device, it is illustrated that shown light compensating apparatus 40 can carry out light filling from different directions so that the first bar code 31
In the brightness uniformity of all directions, it can aid in realizing uniform in certain limit, the light field environment of different brightness using the device,
When the first reading device is tested, the light compensating apparatus 40 can be provided uniformly for the first bar code 31, and the brightness of quantification is set not
Purpose with lightness environment light is the various occasions of simulation, for example, simulate the occasion of outdoors sunlight direct projection, can be by the brightness of luminous environment
It is set to 104Lux, so test equipment need not both have been moved on to it is outdoor tested, the outdoor illumination ring of simulation can be reached again
The effect in border.
Bar code described in above-mentioned embodiment is quick and long depth of field test system, can carry out reading device mobile test, scape
Deep test and Z axis recognition angle measurement, the reading device fixed support can be slided along the guide rail and walked, rotate simultaneously
Rotating disk can do circumference rotation under servomotor drive by the rotary speed stabilization of setting.
When test is moved, the first reading device is fixed on reading device and grabbed on frame 1, and first is distinguished
Device is grabbed in reading device and appropriate location is moved on frame 1 enables the first reading device to aim at first in rotary turnplate 3
Bar code 31.Demand mobile reading devices according to test grab position of the frame 1 on guide rail 21.Rotary turnplate 3 is driven by motor
Rotation causes the first bar code 31 on disk front to move in a circle, quick circumference fortune in the first reading device scanning rotary turnplate 3
The first dynamic bar code 31 is distinguished, and the recognition data for scanning acquisition are sent to host computer by the first reading device, by host computer
To recognition data carry out processing obtain reading device mobile recognition result, by the first reading device return data and in advance it is defeated
The barcode data entered is compared, it is ensured that the accuracy of the data read, finally gives the movement of tested first reading device
Distinguish result.Distinguished 10 times generally under a speed, if successfully distinguishing 8 times, that is, calculate and distinguish successfully, then increase to next
The translational speed of stepping, the first reading device is distinguished again, and so on until recognition failure, mobile recognition test result knot
Beam.First reading device returns to initial position, and rotary turnplate stops operating, and test data uploads to host computer and shown.
When carrying out depth of field test, mobile reading devices grab frame 1 on guide rail 21, change the first reading device and the first bar code 31 it
Between distance, when reading device, which grabs frame 1, is fixed on a position on guide rail 21, pass through motor drive rotary turnplate 3
Rotation make it that the first bar code 31 in the first reading device scanning rotary turnplate 3 is distinguished.And so on, by changing first
The distance between reading device and the first bar code 31 carry out depth of field test, obtain farthest, the minimum distance of reading device recognition.Will
The data of first reading device passback and the barcode data being previously entered are compared, it is ensured that the accuracy of the data read,
Finally give the field depth of tested first reading device, the measuring distance of the test system can reach 2 meters and more than, covered
The depth of field testing requirement of all types of bar code readers.
The mobile adaptability for measuring recognizing apparatus under friction speed that can be quantified by this test system, its testing time
Section, precision are high, and foundation is provided for the recognition performance of bar code recognizing apparatus, and this system provides accurate mobile recognition ability at a high speed
Test, scope is 0-15m/s, and precision is ± 1mm/s；Larger range of field depth test can be provided, test scope is 0-
2m, precision is ± 1mm；It can provide and more accurately distinguish angular range：- 180 ° -+180 °, precision ± 1 °.
Motor rotation drives the range of speeds of rotary turnplate 3 to be 0-358r/min, by controlled motor rotating speed so as to
The rotating speed of rotary turnplate 3 is controlled, the change of the rotating speed of rotary turnplate 3 causes the translational speed of bar code 31 in rotary turnplate 3 equally to send out
Changing, which can accurately control the different translational speeds of bar code 31, and traditionally change judges the translational speed of bar code 31
Caused deviation, improves the accuracy of mobile adaptive testing result.
It should be understood that, although the present specification is described in terms of embodiments, but not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say
Bright book is as an entirety, and the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can
With the other embodiment of understanding.
The a series of tool described in detail only for feasibility embodiment of the present utility model of those listed above
Body illustrates that they are simultaneously not used to limit protection domain of the present utility model, all to be made without departing from the utility model skill spirit
Equivalent implementations or change should be included within protection domain of the present utility model.
Claims (10)
1. a kind of bar code is quick and long depth of field test system, it is characterised in that including：
Stand, the stand is provided with guide rail；
One reading device grabs frame and is fixed on guide rail and is slidably matched with the guide rail vertically, and the reading device is grabbed removable on frame
Unload and be fixed with least one reading device, the reading device is connected with host computer；
One rotary turnplate is fixed on the end of guide rail vertically, and the rotary turnplate is driven by servomotor to be rotated；
At least one yard, the positive bar code of reading device dial sights are disposed with the disk front of the rotary turnplate.
2. bar code according to claim 1 is quick and long depth of field test system, it is characterised in that：The reading device grabs frame
It is included in the pedestal slided on the guide rail and is fixed on the branch extended on pedestal from a central point to same plane different directions
It is fixed with to grasp on removable gripper, the removable gripper on pin, each leg and has the first reading device, first recognition
Positive first bar code of device dial sights, first bar code along rotary turnplate circumferentially.
3. bar code according to claim 2 is quick and long depth of field test system, it is characterised in that：It is arranged in rotary turnplate
Positive first bar code of disk is in same concentric circumferences.
4. the bar code according to claim 1 or 2 or 3 is quick and long depth of field test system, it is characterised in that：Also include one to mend
Electro-optical device, the light collection of the light compensating apparatus is in the first bar code of concentric circumferences.
5. bar code according to claim 4 is quick and long depth of field test system, it is characterised in that：The light compensating apparatus includes
The multiple light filling units of underframe and tilting rack on underframe, the light filling unit is arranged around the underframe, the multiple to mend
Light unit projects a lighting pattern, and the lighting pattern converges in the shadow surface center that underframe is surrounded；The light filling unit bag
Include support plate；One light source is fixed on the front of support plate, lighting pattern described in the light source projects, one lens of light source surface laminating；Institute
State light source and connect a light modulator.
6. bar code according to claim 2 is quick and long depth of field test system, it is characterised in that：The quantity of the leg is
4.
7. bar code according to claim 2 is quick and long depth of field test system, it is characterised in that：The leg combines to be formed
X-type structure.
8. bar code according to claim 1 or 2 is quick and long depth of field test system, it is characterised in that：The reading device
Grab frame center position and be fixed with one second reading device, the rotary turnplate center is fixed with one second bar code.
9. bar code according to claim 1 is quick and long depth of field test system, it is characterised in that：One PLC and electricity
Machine controller is connected, and the electric machine controller sends rotary speed instruction to servomotor, and the output shaft of the servomotor passes through same
Walk with the synchronizing wheel on connection driving rotating disk main shaft, the synchronizing wheel rotates the rotation of driving rotating disk main shaft and drives rotary turnplate rotation
Turn.
10. bar code according to claim 1 is quick and long depth of field test system, it is characterised in that：Set beside the guide rail
It is equipped with a graduated scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720086897.3U CN206460470U (en) | 2017-01-23 | 2017-01-23 | A kind of bar code is quick and long depth of field test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720086897.3U CN206460470U (en) | 2017-01-23 | 2017-01-23 | A kind of bar code is quick and long depth of field test system |
Publications (1)
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| CN206460470U true CN206460470U (en) | 2017-09-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106650524A (en) * | 2017-01-23 | 2017-05-10 | 福建新大陆电脑股份有限公司 | Rapid and long-depth of field test system for barcodes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106650524A (en) * | 2017-01-23 | 2017-05-10 | 福建新大陆电脑股份有限公司 | Rapid and long-depth of field test system for barcodes |
| CN106650524B (en) * | 2017-01-23 | 2023-08-18 | 新大陆数字技术股份有限公司 | Quick and long field depth test system for bar code |
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