CN220383113U - Scanning device - Google Patents

Abstract

The utility model provides a scanning device. The scanning device comprises a frame body, and a light source, a lens, photoelectric conversion chips and a circuit board which are arranged in the frame body, wherein the photoelectric conversion chips are multiple, the photoelectric conversion chips are arranged on the circuit board along the scanning direction of the scanning device, and signal output pins of the photoelectric conversion chips are connected together through signal output lines so as to output data image signals of the photoelectric conversion chips in a superposition mode. The utility model solves the problem of low transmission efficiency of the scanning device in the prior art.

Description

Scanning device

Technical Field

The utility model relates to the technical field of sensor equipment, in particular to a scanning device.

Background

The scanning device generally has functions of image scanning, image recognition and image processing, and generally needs to transmit a large amount of data, and the later processing of the read picture also needs a large amount of calculation, and is extremely long in time and low in transmission efficiency, and the scanning device is realized by improving approaches such as hardware, computer configuration and algorithm, but the scanning device is quite satisfactory, and if the data amount is too large, the technology cannot be realized, the requirement can only be reduced, so that the efficiency is reduced. If a higher resolution scanning device is used, the data volume is multiplied, and there is a higher demand for hardware, algorithms, and speed.

That is, the scanning device in the related art has a problem of low transmission efficiency.

Disclosure of Invention

The utility model mainly aims to provide a scanning device to solve the problem of low transmission efficiency of the scanning device in the prior art.

In order to achieve the above object, the present utility model provides a scanning device including a frame, and a light source, a lens, a photoelectric conversion chip, and a wiring board disposed in the frame, wherein the photoelectric conversion chip is plural, the plurality of photoelectric conversion chips are arranged on the wiring board along a scanning direction of the scanning device, and signal output pins of the plurality of photoelectric conversion chips are connected together through signal output lines to superimpose and output data image signals of the plurality of photoelectric conversion chips.

Further, the signal output line is provided with a plurality of output branch lines, and the plurality of output branch lines are connected with the signal output pins of the plurality of photoelectric conversion chips in a one-to-one correspondence manner, so that the data image signals of the plurality of photoelectric conversion chips are transmitted out by one signal output line.

Further, each photoelectric conversion chip is provided with photosensitive holes which are arranged along a straight line, and the photosensitive holes of the photoelectric conversion chips are positioned on the same straight line.

Further, the plurality of photoelectric conversion chips are divided into a plurality of groups, the number of each group of photoelectric conversion chips is 1 or more, and the plurality of groups of photoelectric conversion chips are sequentially arranged in the scanning direction.

Further, the lens is located one side of the photoelectric conversion chip far away from the circuit board, the lens corresponds to the photoelectric conversion chip, the light source is located on the periphery of the lens and is arranged at intervals with the lens, and the light emitting side of the light source is arranged towards the surface to be scanned of the scanning device.

Further, the scanning device further comprises a light condensing piece, and the light condensing piece is arranged on the light emitting side of the light source.

Further, the light gathering member is a convex lens.

Further, a distance between the scanning device and a surface to be scanned of the scanning device is greater than or equal to 0mm.

Further, each photoelectric conversion chip is strip-shaped, and the sizes of the plurality of strip-shaped photoelectric conversion chips are equal.

Further, the photoelectric conversion chip is bonded to a wiring board having a signal output line.

By applying the technical scheme of the utility model, the scanning device comprises a frame body, and a light source, a lens, photoelectric conversion chips and a circuit board which are arranged in the frame body, wherein the photoelectric conversion chips are arranged on the circuit board along the scanning direction of the scanning device, and signal output pins of the photoelectric conversion chips are connected together through signal output lines so as to output data image signals of the photoelectric conversion chips in a superposition way.

The method adopts the connection of the photoelectric conversion chips on the hardware level, connects the signal output pins of the photoelectric conversion chips together through the signal output line, so that the data image signals of the photoelectric conversion chips are transmitted through the signal output line, and the data image signals of the photoelectric conversion chips are transmitted in a superposition manner, that is to say, the data image signals of the photoelectric conversion chips are transmitted simultaneously, the transmission speed of the data image signals after superposition is equal to the transmission speed of the photoelectric conversion chips, the overall transmission efficiency is greatly improved, and meanwhile, the data image size output by the photoelectric conversion chips after superposition is greatly compressed, so that the subsequent recognition and processing are facilitated, the algorithm processing process is simplified, the recognition processing speed is improved, the time of the subsequent processing is saved, and meanwhile, the image information can be ensured not to be lost. Meanwhile, the transmission of a large amount of data by using high-resolution equipment is avoided, and the cost is saved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram showing the arrangement of photoelectric conversion chips of a scanning device according to an alternative embodiment of the present utility model;

FIG. 2 shows a signal schematic diagram of a plurality of photoelectric conversion chips in FIG. 1;

FIG. 3 shows a side view of the scanning device of FIG. 1 in one direction;

FIG. 4 shows a side view of the scanning device of FIG. 1 in another orientation;

FIG. 5 shows an image output by the scanning device of the present utility model on a surface to be scanned with consistent scanning colors;

FIG. 6 shows an image output by a scanning device of the present utility model at a surface to be scanned having numbers;

FIG. 7 shows a schematic diagram of an output image of a prior art scanning device;

fig. 8 shows a schematic diagram of an output image of a scanning device of the utility model.

Wherein the above figures include the following reference numerals:

10. a frame; 20. a light source; 30. a lens; 40. a photoelectric conversion chip; 41. a photosensitive aperture; 42. a signal output pin; 50. a circuit board; 60. a surface to be scanned; 70. a signal output line; 71. and outputting branch lines.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.

In order to solve the problem of low transmission efficiency of a scanning device in the prior art, the utility model provides the scanning device.

As shown in fig. 1 to 8, the scanning device includes a frame 10, and a light source 20, a lens 30, photoelectric conversion chips 40 and a wiring board 50 provided in the frame 10, wherein the photoelectric conversion chips 40 are plural, the plurality of photoelectric conversion chips 40 are arranged on the wiring board 50 in a scanning direction of the scanning device, and signal output pins 42 of the plurality of photoelectric conversion chips 40 are connected together through signal output lines 70 to superimpose and output data image signals of the plurality of photoelectric conversion chips 40.

The photoelectric conversion chips 40 are connected in a hardware level, the signal output pins 42 of the photoelectric conversion chips 40 are connected together through the signal output line 70, so that data image signals of the photoelectric conversion chips 40 are transmitted through the signal output line 70, and the data image signals of the photoelectric conversion chips 40 are transmitted in a superposition manner, that is, the data image signals of the photoelectric conversion chips 40 are transmitted simultaneously, the transmission speed of the data image signals after superposition is equal to the transmission speed of the photoelectric conversion chips 40, the overall transmission efficiency is greatly improved, meanwhile, the data image sizes output by the photoelectric conversion chips 40 after superposition are greatly compressed, the subsequent recognition and processing are facilitated, the algorithm processing process is simplified, the recognition processing speed is improved, the time of the subsequent processing is saved, and meanwhile, the image information is not lost. Meanwhile, the transmission of a large amount of data by using high-resolution equipment is avoided, and the cost is saved.

In addition, the hardware connection of the plurality of photoelectric conversion chips 40 of the present application is simple and convenient to operate. Greatly improves the originally limited use scene, reduces the requirements of hardware and algorithms, and has prominent advantages in certain application scenes, such as single-color object flaw detection and foreign matter detection.

As shown in fig. 1, the plurality of photoelectric conversion chips 40 are arranged at equal intervals along a straight line, the shapes of the photoelectric conversion chips 40 are all in a strip shape, the sizes of the plurality of strip-shaped photoelectric conversion chips 40 are equal, the strip-shaped photoelectric conversion chips 40 extend along the scanning direction of the scanning device, each photoelectric conversion chip 40 is provided with a signal output pin 42, the signal output pins 42 are used for outputting data image signals received by the photoelectric conversion chips 40, the signal output pins 42 of each photoelectric conversion chip 40 are connected together, so that the data image signals are transmitted through the same line, the signals of the plurality of photoelectric conversion chips 40 are correspondingly overlapped together from front to back, and meanwhile, serial output is shifted, so that the size of the data image output by the plurality of photoelectric conversion chips 40 after being overlapped is equal to that of the data image output by one photoelectric conversion chip 40, the scanned image is reduced, and in the image recognition processing, the processing of small-size pictures is simpler and shorter, so that the recognition processing efficiency is greatly improved, and defects and foreign matters in the image are not lost.

In addition, the scanning device can realize transmission of a great amount of data, does not need to consume a great amount of time, does not need to set high-power hardware, high-power computer and complex algorithm for matching, and greatly reduces the cost.

In addition, as shown in fig. 3 and 4, the circuit board 50 is located at one side of the inside of the frame 10, and the photoelectric conversion chip 40 is mounted on the circuit board 50, so that the circuit board 50 provides a circuit for the photoelectric conversion chip 40, the lens 30 is located at one side of the photoelectric conversion chip 40 away from the circuit board 50, the lens 30 corresponds to the photoelectric conversion chip 40, the light source 20 is located at a peripheral side of the lens 30 and is spaced from the lens 30, and a light emitting side of the light source 20 is disposed towards a surface 60 to be scanned of the scanning device. In operation of the scanning device, light emitted by the light source 20 irradiates the surface 60 to be scanned to form a certain illumination range, light reflected by the surface 60 to be scanned irradiates the corresponding photoelectric conversion chip 40 through the lens 30, the photoelectric conversion chip 40 converts received image light signals into electric signals and then the electric signals are output by the signal output pins 42, and then the output electric signal images are processed and identified through a subsequent image processing algorithm.

As shown in fig. 1, the signal output line 70 has a plurality of output branch lines 71, and the plurality of output branch lines 71 are connected in one-to-one correspondence with the signal output pins 42 of the plurality of photoelectric conversion chips 40, so that the data image signals of the plurality of photoelectric conversion chips 40 are each transmitted from one signal output line 70. That is, a plurality of output lines are led out from the signal output line 70, one end of the plurality of output lines far from the signal output line 70 is connected with the plurality of signal output pins 42 in a one-to-one correspondence manner, signals of all the photoelectric conversion chips 40 are connected together, the hardware level connection is ensured, the connection is realized through the design of the circuit board 50, that is, the circuit board 50 is provided with the signal output line 70, the signal output pins 42 of the photoelectric conversion chips 40 are connected together through reasonable wiring on the circuit board 50, and data is transmitted from one line.

It should be noted that, in the present application, the plurality of photoelectric conversion chips 40 are connected in parallel in the above manner, so that signals of the plurality of photoelectric conversion chips 40 are superimposed and output, for example, a scanning device originally having 10 photoelectric conversion chips 40, each photoelectric conversion chip 40 outputs 864 data, and scans 100 lines, and then the amount of data to be transmitted is 864×10×100; and the amount of data transmitted by the scanning device of the present application is 864 x 100. The speed is improved by 10 times, and the detection function is not lost. The data output rate of the hardware is doubled, patterns with the same line number are scanned, and the processing speed of the software is doubled. This application is mainly used in the field of detecting battery film (single color), and the dust under the single color can have different colors, also can be detected, does not need to know specific dust position, and the battery film of the line that this dust was located of direct excision can.

As shown in fig. 1, each photoelectric conversion chip 40 has a plurality of photosensitive holes 41 arranged along a straight line, and the photosensitive holes 41 of the plurality of photoelectric conversion chips 40 are positioned on the same straight line. The photosensitive aperture 41 is configured to receive image light information and convert an optical signal into an electrical signal, and the signals converted by the photosensitive aperture 41 are superimposed and simultaneously output by the signal output line 70.

As shown in fig. 2, from left to right, the first chip to the n-th chip are respectively provided, each photoelectric conversion chip 40 has m signals, and after the signal superposition design, the multiple photoelectric conversion chips 40 only output the m signals. Because the signals of each photoelectric conversion chip 40 are superimposed. For example, the 1 st signal on the superimposed signal line is actually the result of the superposition of the 1 st signals of the n photoelectric conversion chips 40. The m signal on the superimposed signal line is similarly the result of the superposition of the mth signal of the n photoelectric conversion chips 40.

Specifically, the length of the scanning device can be customized, when the required scanning device is too long, the plurality of photoelectric conversion chips 40 are divided into a plurality of groups, the number of the photoelectric conversion chips 40 in each group is greater than or equal to 1, the plurality of groups of photoelectric conversion chips 40 are sequentially arranged along the scanning direction, each group of photoelectric conversion chips 40 corresponds to one circuit board 50, and the plurality of circuit boards 50 are connected in a splicing mode.

Specifically, the photoelectric conversion chip 40 is glued to the circuit board 50, so that the connection stability of the photoelectric conversion chip 40 and the circuit board 50 is guaranteed, and stable transmission of data of the photoelectric conversion chip 40 is facilitated. Likewise, the circuit board 50, the light source 20 and the lens 30 are fixed on the frame 10 through dispensing, so that the relative fixation of devices in the frame 10 is ensured, the stability and accuracy of light path transmission and receiving are ensured, and the loss of image information is avoided.

Specifically, the scanning device further includes a condensing member disposed on the light emitting side of the light source 20. In the specific embodiment of the present application, the condensing member is a convex lens 30. This arrangement allows the light collector to collect the light emitted from the light source 20 so that the brightness of the light striking the surface 60 to be scanned is satisfactory and uniform.

In the present embodiment, the distance between the scanning device and the surface 60 to be scanned of the scanning device is 0mm or more, so that the scanning device of the present application can realize contact scanning and interval scanning.

As shown in fig. 5, the image output by the scanning device in the present application when detecting a foreign object or a flaw on the surface 60 to be scanned, wherein the background has no foreign object, the colors of the surface 60 to be scanned are consistent, and the image form output after superposition is the same color because the colors of the surface 60 to be scanned are consistent. If the surface 60 to be scanned has foreign matters or flaws, the color of the surface 60 to be scanned is inconsistent with that of the surface 60 to be scanned, and the foreign matters or flaws can be seen after the surface 60 to be scanned is overlapped.

As shown in fig. 6, when the surface 60 to be scanned has a pattern or a number, after the signal is superimposed and output, the images are also superimposed, for example, "5" and "6" spaced on the surface 60 to be scanned, and the image output after the scanning by the scanning device is the image after the "5" and "6" are superimposed.

As shown in fig. 7, in the prior art, the scanning device using ten photoelectric conversion chips 40 scans the image of 2000 lines of data to be finally output, and the image is an integral formed by sequentially splicing the scanned images of ten photoelectric conversion chips 40, which is equivalent to 10 units in length. As shown in fig. 8, in the present application, the scanning device using ten photoelectric conversion chips 40 scans the image output by 2000 lines of data, and since the signal output pins 42 of each photoelectric conversion chip 40 are connected together, the images of the multiple photoelectric conversion chips 40 are output in a superimposed manner, the size of the image is reduced by signal superposition, which is equivalent to 1 unit length, the size of the image is reduced, and the image recognition procedure is simplified. Meanwhile, the accuracy of subsequent identification is not affected after the images are overlapped, and the subsequent identification process is directly carried out without setting additional algorithms to separate the overlapped images.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A scanning device is characterized by comprising a frame body (10), a light source (20), a lens (30), a photoelectric conversion chip (40) and a circuit board (50) which are arranged in the frame body (10),

the photoelectric conversion chips (40) are arranged on the circuit board (50) along the scanning direction of the scanning device, and the signal output pins (42) of the photoelectric conversion chips (40) are connected together through the signal output lines (70) so as to output data image signals of the photoelectric conversion chips (40) in a superposition mode.

2. The scanning device according to claim 1, wherein the signal output line (70) has a plurality of output branches (71), and the plurality of output branches (71) are connected in one-to-one correspondence with the signal output pins (42) of the plurality of photoelectric conversion chips (40) so that data image signals of the plurality of photoelectric conversion chips (40) are each transmitted from one of the signal output lines (70).

3. The scanning device according to claim 1, wherein each of the photoelectric conversion chips (40) has photosensitive holes (41) arranged along a straight line, and the photosensitive holes (41) of the plurality of photoelectric conversion chips (40) are positioned on the same straight line.

4. The scanning device according to claim 1, wherein the plurality of photoelectric conversion chips (40) are divided into a plurality of groups, the number of the photoelectric conversion chips (40) of each group being 1 or more, the plurality of groups of the photoelectric conversion chips (40) being arranged in order along the scanning direction.

5. The scanning device according to claim 1, wherein the lens (30) is located at a side of the photoelectric conversion chip (40) away from the circuit board (50), the lens (30) corresponds to the photoelectric conversion chip (40), the light source (20) is located at a peripheral side of the lens (30) and is disposed at a distance from the lens (30), and a light emitting side of the light source (20) is disposed toward a surface (60) to be scanned of the scanning device.

6. A scanning device according to claim 1, characterized in that the scanning device further comprises a light collecting member arranged at the light exit side of the light source (20).

7. A scanning device according to claim 6, characterized in that the light-gathering member is a convex lens (30).

8. Scanning device according to any one of claims 1 to 7, characterized in that the distance between the scanning device and the surface (60) to be scanned of the scanning device is greater than or equal to 0mm.

9. The scanning device according to any one of claims 1 to 7, wherein each of the photoelectric conversion chips (40) has a stripe shape, and a plurality of the stripe-shaped photoelectric conversion chips (40) have an equal size.

10. The scanning device according to any one of claims 1 to 7, characterized in that the photoelectric conversion chip (40) is glued to the wiring board (50), the wiring board (50) having the signal output line (70).