CN210016522U

CN210016522U - Support frame for mobile device

Info

Publication number: CN210016522U
Application number: CN201920359485.1U
Authority: CN
Inventors: 廖文助; 吴彦亚; 赖昀隆
Original assignee: Foxlink Image Technology Co Ltd
Current assignee: Foxlink Image Technology Co Ltd
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-02-04
Anticipated expiration: 2029-03-20

Abstract

A support frame for a mobile device comprises a base body, a paper feed channel, a paper feed box, a paper outlet, a paper feed unit and a device fixing unit, wherein an accommodating space is arranged inside the base body; the paper feeding channel comprises a scanning area and is arranged in the accommodating space; the paper feeding box is arranged at the upstream of the paper feeding channel to accommodate a document to be scanned; the paper outlet is arranged at the downstream of the paper feed channel to withdraw the scanned file; the paper feeding unit is arranged in the accommodating space to drive the document to be scanned to pass through the paper feeding channel; the device fixing unit is arranged on the base body to fix a mobile device; the device fixing unit enables the mobile device to be aligned and collects the image of the scanning area, and the shooting area of the mobile device is not smaller than the width of the file to be scanned.

Description

Support frame for mobile device

Technical Field

The utility model relates to a portable device support frame, in particular to support frame with continuous paper feed function.

Background

Conventionally, a scanner and a calculator are used to copy and store a physical document, and the document content is scanned by the scanner and then transmitted to the calculator, and then transferred and stored by the calculator. However, for mild users who need a small number of documents to be scanned per day, purchasing one scanner is not the most economical solution, and compared with directly capturing the document image by using the camera lens of a mobile device such as a smart phone, it is a reasonable compromise. However, the quality of the images of the documents collected by the mobile device is usually not as expected, and the documents are easy to shake or leave the focusing plane, and the manual shooting one by one is not beneficial to collecting a large number of documents. Various factors make scanning of documents using mobile devices far less convenient and efficient than conventional scanners.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a supporting frame that collocation portable device used, except that the user of being convenient for gathers file image, provide the function that traditional scanners such as automatic paper feed, file position correction possessed simultaneously.

In order to achieve the above object, the present invention provides a mobile device support frame, comprising a base body, a paper feeding channel, a paper feeding tray, a paper outlet, a paper feeding unit and a device fixing unit, wherein the base body is provided with an accommodating space inside; the paper feeding channel comprises a scanning area and is arranged in the accommodating space; the paper feeding box is arranged at the upstream of the paper feeding channel to accommodate a document to be scanned; the paper outlet is arranged at the downstream of the paper feed channel to withdraw the scanned file; the paper feeding unit is arranged in the accommodating space to drive the document to be scanned to pass through the paper feeding channel; the device fixing unit is arranged on the base body to fix a mobile device; the device fixing unit enables the mobile device to be aligned and collects the image of the scanning area, and the shooting area of the mobile device is not smaller than the width of the file to be scanned.

In a preferred embodiment, the mobile device support frame further comprises an illumination device disposed on the device-fixing unit to illuminate the scanning area.

In a preferred embodiment, a support member is further disposed between the device fixing unit and the base body.

In a preferred embodiment, the supporting member further comprises at least one folding mechanism, the folding mechanism comprises pivot shafts disposed at two ends of the supporting member, and the two ends of the supporting member are respectively connected to the device fixing unit and the base body through the pivot shafts; the first clamping tenon piece is pivoted with the device fixing unit, and the free end of the first clamping tenon piece is provided with at least one first clamping tenon part; the first clamping tenon groove is arranged on the surface of the supporting piece and matched with the first clamping tenon piece, and the relative position of the device fixing unit and the supporting piece is fixed through the matched assembly of the first clamping tenon groove and the first clamping tenon piece; the second clamping tenon piece is pivoted with the supporting piece, and the free end of the second clamping tenon piece is provided with at least one second clamping tenon part; and the second clamping mortise is matched with the second clamping tenon component, and the relative position of the support component and the base body is fixed through the matching assembly of the second clamping mortise and the second clamping tenon component.

The beneficial effects of the utility model reside in that: the utility model discloses a mobile device support frame, and utilize any mobile device of mobile device support frame collocation carries out the method of many pages of file scanning. Therefore, the portability of the scanning device is realized, the automatic scanning capability of a plurality of pages of documents is maintained, and the overall setting cost of the document scanning device is reduced.

Drawings

Fig. 1 is a perspective view and a sub-block diagram of a mobile device according to the present invention.

Fig. 2 is a schematic diagram of the photographing width and the photographing distance.

Fig. 3 is a cross-sectional view and a sub-system diagram of the support frame of the mobile device of the present invention.

Fig. 4 is a schematic diagram of the operation of the support frame of the mobile device of the present invention in a folded state.

FIG. 5 is a block diagram of a combination of the photographing device and the automatic document feeding device.

Fig. 6 is a block diagram of an embodiment of the invention.

Fig. 7 is a block diagram of an automatic scanning process according to another embodiment of the present invention.

Description of reference numerals:

10: mobile device

11: image pickup unit

12: image processing unit

13: touch panel display

14: sub-module of photographic device

141: communication module

142: image inspection module

143: image cutting module

144: image characteristic module

145: image collage module

146: image connection module

147: position correction module

148: suspension module

20: support frame for mobile device

21: base body

22: device fixing unit

23: support piece

24: folding mechanism

241: pivotal shaft

242: first tenon piece

242 a: the first tenon part

243: second tenon piece

243 a: second tenon part

244: first mortise and tenon slot

245: second mortise and tenon slot

25: paper feeding unit

26: containing space

261: paper feed channel

262: scanning area

263: paper feeding box

264: paper outlet

27: lighting device

28: paper advance device submodule

281: transmission module

282: paper feed control module

Detailed Description

In order to explain the technical content, structural features, and achieved objects and technical effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in combination with the specific embodiments.

The term "paper" and/or "document" as used herein includes, but is not limited to, physical objects that have paper, film, etc. as a carrier and that have graphics and/or text, etc. recorded thereon.

Referring now to fig. 1 and 3, a mobile device support stand 20 of the present invention is used in conjunction with a mobile device 10 for scanning paper and documents, wherein the mobile device support stand 20 and/or the mobile device 10 is provided with a computer readable storage medium having a sub-module stored therein, and a series of operations (described in detail below) are performed when the sub-module is executed.

In this embodiment, the mobile device 10 is a smart phone, and the smart phone includes: a camera unit 11 for collecting the document image and temporarily storing the document image in the original image link; an image processing unit 12 for taking out the file image temporarily stored in the original image link and performing corresponding processing; and a touch panel display 13 for displaying information and providing feedback operation. In addition, the smartphone can be provided with other operation components of dedicated or assignable functions, such as function buttons, selection buttons, a joystick, a touch panel, and the like. It is noted that the various techniques and features described herein can be implemented in other mobile devices 10 besides smartphones, including but not limited to calculators, Personal Digital Assistants (PDAs), gaming devices, Digital cameras, Digital video cameras, and the like.

The image processing unit 12 includes the following imaging device sub-modules 14: a communication module 141 for receiving the communication sent from the mobile device cradle 20 and calling the corresponding sub-module; an image checking module 142, which takes out the file image temporarily stored in the raw image connection, checks whether the file image is correctly exposed, focused and corrected, and suspends the capturing operation of the photographing unit 11 and readjusts the parameters of the image captured by the photographing unit 11 when the combination of at least one of the states of exposure, focusing and correction of the file image is abnormal; an image cropping module 143, for taking out the document image temporarily stored in the original image link and further adjusting the contrast of the document image, cropping a required image block from the document image, temporarily storing the image block in a cropped image link, and deleting the document image temporarily stored in the original image link; an image feature module 144, which finds out the feature points in the image data, calculates the number of the feature points, and further selects and calls the corresponding sub-module according to the number of the feature points; an image collage module 145 for taking out the image blocks temporarily stored in the cropped image link, searching the same feature points existing in different image blocks, and collaging the different image blocks into a whole page of document image in sequence by using the same feature points; an image continuing module 146, which takes out the image blocks temporarily stored in the cropped image link and continues the different image blocks into a whole page document image with a fixed length; a position correction module 147 for determining the relative position between the mobile device 10 and the support frame 20 and displaying the prompt message of the corrected position; and an interrupt module 148 for detecting at least one abnormal state selected from the group consisting of an open top cover, an empty paper feed tray 263, a paper jam in the paper path, and a stop command issued by the user, and interrupting the scanning process when the abnormal state occurs.

The mobile device support stand 20 includes: a base body 21, wherein an accommodating space 26 is arranged inside the base body 21; a paper feeding channel 261, wherein the paper feeding channel 261 includes a scanning area 262 and is disposed in the accommodating space 26; a paper feeding tray 263 disposed at the upstream of the paper feeding channel 261 for accommodating a document to be scanned; a paper outlet 264 disposed at the downstream of the paper feeding channel 261 for exiting the scanned document; a feeding unit 25 disposed in the accommodating space 26 for driving the document to pass through the feeding channel 261; a device fixing unit 22 disposed on the base body 21 for fixing a mobile device 10; and an illumination device 27, wherein the illumination device 27 is disposed on the device fixing unit 22 to illuminate the scanning area 262; the device fixing unit 22 aligns the mobile device 10 and collects an image of the scanning area 262, so that a shooting area of the mobile device 10 is not smaller than a width of a document to be scanned.

As shown in fig. 2, the shooting angle θ of the mobile device 10 is generally fixed, so the distance between the mobile device 10 and the document to be scanned determines the width of the shot. When the distance D between the mobile device 10 and the document to be scanned increases, the shooting width W increases accordingly. And the imaging width W and the distance D satisfy the following relational expression W ═ D × 2tan (θ/2). Therefore, in order to make the mobile device 10 completely capture the document image of the whole document, the capture width W is at least equal to the width Wp of the document to be scanned, and the distance D between the mobile device 10 and the captured object is at least greater than Wp/2tan (θ/2).

Referring to fig. 3, in order to increase the distance D, a supporting member 23 is further disposed between the device fixing unit 22 and the base body 21 to elevate the device fixing unit 22, and the length of the supporting member 23 is greater than Wp/2tan (θ/2) to ensure that the mobile device 10 completely collects the document image of the whole document.

Referring to fig. 4, for easy storage, the supporting member 23 is further provided with a folding mechanism 24, the folding mechanism 24 includes pivot shafts 241 disposed at two ends of the supporting member 23, and two ends of the supporting member 23 are respectively connected to the device fixing unit 22 and the base body 21 through the pivot shafts 241; a first locking member 242 pivotally connected to the device fixing unit 22, wherein a free end of the first locking member 242 is provided with at least a first locking portion 242 a; a first mortise 244 disposed on the surface of the supporting member 23, wherein the first mortise 244 is disposed in cooperation with the first tenon 242, and the relative position between the device fixing unit 22 and the supporting member 23 is fixed by the cooperation and combination of the first mortise 244 and the first tenon 242; a second tenon member 243 pivotally connected to the supporting member 23, wherein a free end of the second tenon member 243 is provided with at least a second tenon portion 243 a; a second mortise 245 disposed on the surface of the base body 21, wherein the second mortise 245 is disposed in cooperation with the second tenon 243, and the relative position between the supporting member 23 and the base body 21 is fixed by the cooperation and assembly of the second mortise 245 and the second tenon 243.

Referring to fig. 3, in the preferred embodiment, the mobile device support frame 20 includes the following paper feeding device sub-modules 28: a sending module 281 sending different communications to the mobile device 10 according to different information to be transmitted; a feeding control module 282, controlling the feeding unit 25 to feed the document to be scanned at a fixed speed, detecting abnormal conditions such as empty feeding tray 263, paper jam in the paper feeding path, and a stop command issued by the user, and interrupting the feeding process when the abnormal conditions are detected.

Referring to fig. 5, the process of scanning the document according to the present invention is as follows:

firstly, when the mobile device 10 is installed, in order to ensure that the mobile device 10 can correctly collect a document image of a document to be scanned, the mobile device 10 and the mobile device support 20 are controlled to perform the following operation steps:

a user starts the mobile device holder 20 and the mobile device 10 used with the mobile device holder 20; after the mobile device support frame 20 is started, the paper feeding control module 282 is called, and the paper feeding control module 282 checks the following items: an abnormal state such as whether there is a document to be scanned in the paper feed tray 263 or not, and whether there is a jam in the paper feed path. If no abnormal condition is detected, a private communication network is established between the mobile device holder 20 and the mobile device 10, which in the preferred embodiment is through optical image recognition. The mobile device 10 captures an optical image of the mobile device holder 20 and determines the communication sent from the mobile device holder 20 accordingly. Since the capabilities of capturing images and processing optical images are built into the mobile device 10, it is not necessary to add additional units for receiving communication. The communication transmitted by the mobile device holder 20 is a one-way communication, and it is not necessary to receive any information returned by the mobile device 10 in design, and the communication method does not pass through a public network such as the internet, cellular network, etc., and only needs to perform one-to-one communication in a short distance area, so the installation cost of the transmitting module 281 can be reduced.

Then, the sending module 281 is called and sends a communication to the mobile device 10 through the private communication network, and in this preferred embodiment, the sending module 281 controls the lighting unit to adjust the exposure at the scanning position, so as to transmit different information. It should be noted that this is for illustrative purposes only and is not meant to be limiting. The one-way communication can also take advantage of other feature differences included in the image including, but not limited to: texture, pattern, exposure, contrast, color, etc. to convey information.

The mobile device 10 is activated to call the communication module 141, and the communication module 141 receives the communication through the mobile device 10 in a manner of continuously capturing images at intervals, and selects one of the following operations according to the received communication content:

when the received communication content does not show the characteristics of the scanning position at all, for example, the image shows full black or a pattern/contour outside the mobile device holder 20, the communication module 141 initiates an operation and displays an instruction to bring the photographing lens close to the mobile device holder 20 through the touch panel display 13.

When the received communication content already includes the feature at the scanning position, the communication module 141 calls the position correction module 147, and the position correction module 147 initiates an operation to further calculate the relative position between the mobile device 10 and the mobile device support 20, and displays an indication message for correcting the relative position through the touch panel display 13.

When the received communication content shows that the characteristics at the scanning position are acquired, and the relative position between the mobile device 10 and the mobile device support frame 20 is calculated to be zero after the position correction module 147 is called, the position correction module 147 initiates an operation and displays an indication that the position correction is completed through the touch panel display 13.

In this embodiment, it is disclosed that the sending module 281 sends an image containing features at a scanning position to the mobile device 10, and accordingly calculates the relative positions of the mobile device support 20 and the mobile device 10, and initiates corresponding operations according to the different relative positions. However, this is for illustration of communication only and should not be limited to the image at the scanning position.

Referring again to fig. 6, a process is disclosed in which a user has completed assembly of the mobile device cradle 20 with the mobile device 10 and is ready to begin scanning. In order to realize the automation of scanning multi-page documents, the mobile device 10 and the mobile device support 20 are controlled to perform the following operation steps:

the mobile device support frame 20 starts the paper feeding control module 282 and checks the following steps: abnormal states such as whether a document is to be scanned in the paper feed cassette 263 and whether a paper jam occurs in the paper feed channel;

if no abnormal state is detected, a private communication network is established between the mobile device 10 and the mobile device support frame 20, and the sending module 281 is called to send communication to the mobile device 10 through the private communication network, in this embodiment, the sending module 281 initiates an operation and controls the paper feeding unit 25 to start feeding the document to be scanned at a fixed speed and the illuminating unit to illuminate the scanning position;

the mobile device 10 is activated to call the communication module 141, and the communication module 141 receives the communication through the photographing unit 11 in a manner of continuously capturing images at intervals, and selects one of the following operations according to the received communication content:

when the communication content includes the feature that the scanning position is already in the illumination state, the photographing unit 11 is controlled to collect the document to be scanned passing through the scanning position at a fixed time interval, obtain a document image and temporarily store the document image in a native image link, and simultaneously call the image checking module 142, the image cropping module 143, and the image connecting module 146 to execute the corresponding operations;

when the communication content includes the feature that the scanning position is not in the illumination state, the touch panel display 13 is controlled to display the indication information that the mobile device support frame 20 is not normally operated.

In this embodiment, the communication sent by the mobile device holder 20 to the mobile device 10 is an image at a scanning position, and the mobile device 10 confirms whether the mobile device holder 20 completes paper feeding preparation or not according to different exposure levels of the received image, so as to initiate a corresponding operation, however, it should be noted that the communication is only used for illustration and is not limited to image exposure levels.

In another possible embodiment, the sending module 281 may include, but is not limited to: the characteristic differences of texture, pattern, color, etc. send a communication containing the information that the mobile device support frame 20 completes paper feeding preparation to the mobile device 10, so that the mobile device 10 initiates corresponding operations in response to the communication.

Referring now to fig. 7, a process is disclosed in which a user has completed assembly of the mobile device cradle 20 with the mobile device 10 and is ready to begin scanning. In order to realize the automation of scanning multi-page documents, the mobile device 10 and the mobile device support 20 are controlled to perform the following different operation steps:

the mobile device 10 is activated to call the communication module 141, and the communication module 141 receives the communication through the photographing unit 11 in a manner of continuously acquiring images at intervals;

calling the image feature module 144, the image feature module 144 finds out the feature points included in the communication, and selects one of the following operations according to the number of the feature points:

when the communication includes information that the mobile device support frame 20 completes paper feeding preparation and the number of feature points included in the content of the communication is greater than a threshold value, the display file includes a considerable amount of information such as patterns, characters, textures and the like. Different image blocks can be accurately spliced by utilizing a characteristic point comparison mode.

At this time, the photographing unit 11 is controlled to capture the document to be scanned at the scanning position at a fixed time interval, obtain the document image and temporarily store the document image in the original image link, and simultaneously call the image checking module 142, the image cropping module 143, the image feature module 144, and the image collage module 145 to execute the corresponding operations.

When the number of feature points included in the content of the communication is less than a threshold value, a display file may include a large number of blank or single textures with high repeatability. Under the condition, the image blocks are difficult to be spliced by utilizing a characteristic point comparison mode, so that the image blocks are combined into the whole page of document image by adopting a mode of directly continuing with a fixed image length.

At this time, the photographing unit 11 is controlled to capture the document to be scanned passing through the scanning position at a fixed time interval, obtain the document image and temporarily store the document image in the original image link, and simultaneously call the image checking module 142, the image cropping module 143, and the image splicing module 146 to execute the corresponding operations.

In the present embodiment, the communication sent by the mobile device cradle 20 to the mobile device 10 is an image at a scanning position, and the mobile device 10 initiates a corresponding operation according to the number of feature points received by the image, however, it should be noted that the above communication is only used for illustration and is not limited to the number of feature points of the image.

In another possible embodiment, the sending module 281 may include, but is not limited to: the difference in characteristics such as texture, pattern, exposure, color, etc. sends the communication to the mobile device 10, which in turn causes the mobile device 10 to initiate a corresponding operation in response to the communication.

To sum up, the utility model discloses a mobile device support frame 20, and utilize any mobile device 10 of mobile device support frame 20 collocation carries out the method that many pages of documents scanned. Therefore, the portability of the scanning device is realized, the automatic scanning capability of a plurality of pages of documents is maintained, and the overall setting cost of the document scanning device is reduced.

Claims

1. A mobile device support stand, comprising:

the base comprises a base body, wherein an accommodating space is arranged inside the base body;

the paper feeding channel comprises a scanning area and is arranged in the accommodating space;

the paper feeding box is arranged at the upstream of the paper feeding channel to accommodate a document to be scanned;

the paper outlet is arranged at the downstream of the paper feed channel to withdraw the scanned file;

the paper feeding unit is arranged in the accommodating space and is used for driving the document to be scanned to pass through the paper feeding channel; and

the device fixing unit is arranged on the base body to fix a mobile device;

the device fixing unit enables the mobile device to be aligned and collects images of the scanning area, and enables the shooting area of the mobile device to be not smaller than the width of a file to be scanned; and

the supporting piece comprises at least one folding mechanism, the folding mechanism comprises pivot shafts arranged at two ends of the supporting piece, and two ends of the supporting piece are respectively connected with the device fixing unit and the base body through the pivot shafts; the first clamping tenon piece is pivoted with the device fixing unit, and the free end of the first clamping tenon piece is provided with at least one first clamping tenon part; the first clamping tenon groove is arranged on the surface of the supporting piece and matched with the first clamping tenon piece, and the relative position of the device fixing unit and the supporting piece is fixed through the matched assembly of the first clamping tenon groove and the first clamping tenon piece; the second clamping tenon piece is pivoted with the supporting piece, and the free end of the second clamping tenon piece is provided with at least one second clamping tenon part; and the second clamping mortise is matched with the second clamping tenon component, and the relative position of the support component and the base body is fixed through the matching assembly of the second clamping mortise and the second clamping tenon component.

2. The mobile device support stand of claim 1, further comprising an illumination device disposed on the device-securing unit for illuminating the scanning area.