CN202103745U

CN202103745U - Large-breadth high-speed scanner

Info

Publication number: CN202103745U
Application number: CN2011201340040U
Authority: CN
Inventors: 熊远见
Original assignee: DONGGUAN SINENG ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: DONGGUAN SINENG ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2011-04-29
Filing date: 2011-04-29
Publication date: 2012-01-04
Anticipated expiration: 2021-04-29

Abstract

The utility model discloses a large-breadth high-speed scanner which comprises contact-type image sensors, analog-digital converting units, motor controllers, motors and a control logic unit. A control output end of the control logic unit is connected with control input ends of the image sensors; data output ends of the image sensors are connected with data input ends of the analog-digital converting units; data output ends of the analog-digital converting units are connected with a data input end of the control logic unit; a motor control end of the control logic unit is connected with control input ends of the motor controllers; and control output ends of the motor controllers are connected with control input ends of the motors. A plurality of image sensors are spliced on a scanning head in the large-breadth high-speed scanner; the image sensors with stock sizes are used for splicing; and a scanning breadth of the scanning head is exponentially increased under a premise of lower cost; meanwhile, and the speed of transmitting a scanning image in the same time is multiplied.

Description

A kind of large format high speed scanner

Technical field

The utility model relates to the scanner technology field, particularly relates to a kind of large format high speed scanner.

Background technology

Scanner is divided into CIS (contact image sensor) and CCD (electric charge manifold type) by optical imaging concept.The characteristics of CIS scanner are that opticator and mechanism part is all fairly simple, and development at present is than very fast, but its shortcoming and limitation have following some:

1. sweep speed is slow, and the CIS transducer speed of generally using is all in 2M pixel/second～5M pixel/second, so the high-resolution CIS scanner of large format speed is generally slow.

2.A4 it is maximum that the CIS of size uses, technology is the most ripe, and price is the most cheap, and more the CIS transducer manufacturing of large format is relatively more difficult, and consumption is few, and price is high.

3.CIS owing to what use is LED three-color light source (RGB), and the manufacturing process problem of CIS itself, it is not fine causing the individual consistency of CIS, is in particular in that the simulation model that same scanning object is quantized out is variant.

The utility model content

The purpose of the utility model is to avoid weak point of the prior art and a kind of large format high speed scanner is provided; It adopts splicing that stock size CIS transducer is spliced into large format CIS transducer, at the cost of guaranteeing to have reduced under the prerequisite of quality of scanning the large format high speed scanner.

The purpose of the utility model realizes through following technical measures.

A kind of large format high speed scanner; The image sensor, AD conversion unit, motor controller, motor and the control logic unit that comprise contact; The control output end of said control logic unit is connected in the control input end of said image sensor; The data output end of said image sensor is connected in the data input pin of said AD conversion unit; The data output end of said AD conversion unit is connected in the data input pin of said control logic unit, and the motor control end of said control logic unit is connected in the control input end of said motor controller, and the control output end of said motor controller is connected in the control input end of said motor; Said image sensor is at least two, and each said image sensor connects a said AD conversion unit; Said AD conversion unit is connected in said control logic unit jointly.

Further, also comprise paper and playback transducer, the induction output of said paper and playback transducer is connected in the induction input of said control logic unit.

Further, also comprise memory, the data input pin of said memory is connected in the storage output of said control logic unit, and the data output end of said memory is connected in the storage input of said control logic unit.

Further, also comprise USB SLAVE interface chip, the interface input of said USB SLAVE interface chip is connected in the interface output of said control logic unit.

Said image sensor is two, and these two image sensors are installed on same probe.

Said probe is provided with two sensing tanks that said two image sensors are installed respectively, and the middle part of said probe is provided with the handing-over groove, and said handing-over groove communicates with said sensing tank; The part of said image sensor is contained in the sensing tank, and another part is contained in said handing-over groove.

The large format high speed scanner of the utility model is through splicing a plurality of image sensors on a probe; Adopt the image sensor of stock size to splice; The scanning breadth of probe is multiplied, the speed that transmits scan-image in the identical time is multiplied.

Description of drawings

Utilize accompanying drawing that the utility model is further specified, but the content in the accompanying drawing does not constitute any restriction to the utility model.

Fig. 1 is the system block diagram of an embodiment of the utility model.

Fig. 2 is the workflow diagram of an embodiment of the utility model.

Fig. 3 is the structure chart of probe of an embodiment of the utility model.

Embodiment

In conjunction with following examples the utility model is described further.

The large format high speed scanner of present embodiment such as Fig. 1-shown in Figure 3; The image sensor 8, AD conversion unit 1, motor controller 2, motor 3 and the control logic unit 6 that comprise contact; The control output end of said control logic unit 6 is connected in the control input end of said image sensor 8; The data output end of said image sensor 8 is connected in the data input pin of said AD conversion unit 1; The data output end of said AD conversion unit 1 is connected in the data input pin of said control logic unit 6, and the motor control end of said control logic unit 6 is connected in the control input end of said motor controller 2, and the control output end of said motor controller 2 is connected in the control input end of said motor 3; Said image sensor 8 is at least two, and each said image sensor 8 connects a said AD conversion unit 1; Said AD conversion unit 1 is connected in said control logic unit 6 jointly.

Present embodiment also comprises paper and playback transducer 4, and the induction output of said paper and playback transducer 4 is connected in the induction input of said control logic unit 6.

Present embodiment also comprises memory 5, and the data input pin of said memory 5 is connected in the storage output of said control logic unit 6, and the data output end of said memory 5 is connected in the storage input of said control logic unit 6.

Present embodiment also comprises USB SLAVE interface chip 7, and the interface input of said USB SLAVE interface chip 7 is connected in the interface output of said control logic unit 6.

Said image sensor 8 is two, and these two image sensors 8 are installed on same probe 9.

Said probe 9 is provided with two

sensing tanks

91,92 that said two image sensors 8 are installed respectively, and the middle part of said probe 9 is provided with handing-over groove 90, and said handing-over groove 90 communicates with said

sensing tank

91,92; The part of said image sensor 8 is contained in

sensing tank

91,92, and another part is contained in said handing-over groove 90.It is overlapping to some extent when scanning that two image sensors 8 are contained in the part of handing-over groove 90, and therefore the figure that obtains of two image sensor 8 scannings is also overlapping to some extent, and the convenient figure that scanning is obtained through computer is done splicing and handled.

The operation principle of present embodiment is with reference to Fig. 2.

PC end software sends scan command to equipment end, and equipment end receives order, equipment end analysis order, and control logic unit 6 orders motor controller 2 CD-ROM drive motors 3 to take one pace forward as required.

Control logic unit 6 is provided with the mode of operation of image sensor 8 as required and work schedule is provided, and control logic unit 6 is provided with the mode of operation of AD conversion unit 1 as required and work schedule is provided.

AD conversion unit 1 receives analog signal and the gain amplification (gain) and the level deviation (offset) of image sensor 8, and does the A/D conversion, and is signal digitalized the image simulation of CIS output.

Digitized image data is obtained in control logic unit 6, and control logic unit 6 is stored in memory 5 to image data temporarily.

Control logic unit 6 receives the reading order that USB SLAVE interface chip 7 sends.

Control logic unit 6 is read image data from 5 li of memories and is sent USB SLAVE interface chip 7 in order to, and the PC end receives image data through USB SLAVE interface chip 7.

The PC end carries out the image data fractionation, and (multi-channel parallel is seen off; Need carry out multichannel during reception splits); The PC end carries out treatment for correcting to the fractionation data of each CIS, and the data after the PC end is proofreaied and correct each CIS are recombinated and spliced, and form the more final image of large format.

According to being provided with of customer interface final image is carried out the image adjustment, compression of image data format conversion and preservation.

Before the transmission beginning, judge according to the output level of paper/playback transducer 4 whether paper is arranged on the feeder, whether probe 9 playbacks.

Should be noted that at last; Above embodiment only be used to explain the utility model technical scheme but not to the restriction of the utility model protection range; Although the utility model has been done detailed description with reference to preferred embodiment; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model, and do not break away from the essence and the scope of the utility model technical scheme.

Claims

1. large format high speed scanner; The image sensor, AD conversion unit, motor controller, motor and the control logic unit that comprise contact; The control output end of said control logic unit is connected in the control input end of said image sensor; The data output end of said image sensor is connected in the data input pin of said AD conversion unit; The data output end of said AD conversion unit is connected in the data input pin of said control logic unit, and the motor control end of said control logic unit is connected in the control input end of said motor controller, and the control output end of said motor controller is connected in the control input end of said motor; It is characterized in that: said image sensor is at least two, and each said image sensor connects a said AD conversion unit; Said AD conversion unit is connected in said control logic unit jointly.

2. large format high speed scanner according to claim 1 is characterized in that: also comprise paper and playback transducer, the induction output of said paper and playback transducer is connected in the induction input of said control logic unit.

3. large format high speed scanner according to claim 1; It is characterized in that: also comprise memory; The data input pin of said memory is connected in the storage output of said control logic unit, and the data output end of said memory is connected in the storage input of said control logic unit.

4. according to each described large format high speed scanner of claim 1-3, it is characterized in that: also comprise USB SLAVE interface chip, the interface input of said USB SLAVE interface chip is connected in the interface output of said control logic unit.

5. large format high speed scanner according to claim 1 is characterized in that: said image sensor is two, and these two image sensors are installed on same probe.

6. large format high speed scanner according to claim 5; It is characterized in that: said probe is provided with two sensing tanks that said two image sensors are installed respectively; The middle part of said probe is provided with the handing-over groove, and said handing-over groove communicates with said sensing tank; The part of said image sensor is contained in the sensing tank, and another part is contained in said handing-over groove.