Certificate scanning device

Abstract

The utility model discloses a kind of certificate scanning equipment, it is related to certificate identification technical field, wherein, certificate scanning equipment includes shell, camera component, auxiliary assembly and control panel, the shell is enclosed and is formed with the cavity of airtight, the shell has oppositely arranged top wall and bottom wall, and the top wall is formed with identification area, and the identification area is used to place certificate;The camera component is located in the bottom wall, and located in the cavity, for identifying the certificate towards the side of the cavity;The auxiliary assembly is located in the cavity, and is set close to the identification area, and the auxiliary assembly is used to provide light source;The control panel is located in the cavity, and is electrically connected with the camera component and the auxiliary assembly respectively.The technical scheme provided by the utility model aims at reducing the volume of certificate scanning equipment, and reducing the occupied space.

Description

Technical Field

[0001] This utility model relates to the field of document recognition technology, and in particular to a document scanning device. Background Technology

[0002] In settings such as customs, hospitals, and banks, document scanning devices can extract multi-dimensional information such as text, barcodes, and chips from documents like passports, ID cards, and medical insurance cards, greatly improving the efficiency of identity verification and information entry.

[0003] In existing technologies, document scanning devices generally include a base, a camera, a light-emitting element, and a control board. The base has a placement area for placing documents. The camera and light-emitting element are mounted above the base and aligned with the placement area. The control board is located in a cavity inside the base and is electrically connected to both the camera and the light-emitting element. When the document is placed in the placement area, the control board controls the camera to capture an image of the document from above the base and activates the light-emitting element to provide supplementary lighting to illuminate the document. Simultaneously, the control board can extract document information using image processing technology, enabling rapid recognition and data entry.

[0004] Because the base has an internal cavity to accommodate the control board and its wiring, the base itself has a certain volume and requires a considerable amount of space. Furthermore, the surface of the base needs to be fitted with a camera and a light source. The camera requires a certain height for focused imaging, and the light source needs sufficient space for uniform illumination, further increasing the size of the document scanning device. This results in a large overall size for the document scanning device, occupying excessive space. Utility Model Content

[0005] The main purpose of this utility model is to propose a document scanning device that aims to reduce the size of the document scanning device and reduce the space occupied.

[0006] To achieve the above objectives, this utility model proposes a document scanning device, which includes:

[0007] The housing has a sealed cavity, and has a top wall and a bottom wall that are disposed opposite to each other. The top wall has an identification area for placing identification documents.

[0008] A camera assembly, which is disposed on the bottom wall and located within the cavity, is used to identify the side of the document facing the cavity;

[0009] An auxiliary component, disposed within the cavity and near the recognition area, is used to provide a light source; and

[0010] A control board is disposed within the cavity and is electrically connected to the camera assembly and the auxiliary assembly, respectively.

[0011] In one embodiment, the top wall has an opening that communicates with the cavity. The housing also includes a light-transmitting element that is attached to the top wall to cover the opening. The surface of the light-transmitting element has the identification area, which is correspondingly arranged with the opening. The auxiliary component is arranged around the opening.

[0012] The camera assembly is located on the bottom wall and is positioned facing the opening.

[0013] In one embodiment, the document scanning device further includes a guiding component having a first connection port and a second connection port disposed opposite to each other, and a transmission channel connecting the first connection port and the second connection port, the transmission channel being used to transmit light, the first connection port being connected to the opening, and the camera of the camera component being disposed within the second connection port;

[0014] The cross-section of the transmission channel gradually decreases from the first connection port to the second connection port.

[0015] In one embodiment, the guiding component includes a focusing segment and a barrier segment connected to each other, the focusing segment forming a first connection port, the barrier segment forming a second connection port, and the focusing segment and the barrier segment together enclosing the transmission channel;

[0016] The focusing section is used to reflect the light emitted by the auxiliary component toward the document, and the barrier section is used to reduce the light emitted by the auxiliary component reflected toward the camera.

[0017] In one embodiment, the barrier segment includes a plurality of sequentially stacked connecting rings, and the size of the connecting rings closer to the focusing segment is larger than the size of the connecting rings closer to the camera, and the inner walls of the plurality of connecting rings cooperate to form a stepped surface.

[0018] In one embodiment, the camera assembly includes a first circuit board and the camera, the camera being electrically connected to the first circuit board;

[0019] Along the periphery of the barrier segment, the outer wall of the barrier segment is provided with a plurality of mounting posts, and the plurality of mounting posts are detachably connected to the first circuit board.

[0020] In one embodiment, the housing further includes sidewalls, the two sides of which are respectively connected to the top wall and the bottom wall to enclose and form the cavity;

[0021] The control board is located between the side wall and the guide assembly. The side wall of the housing has a wiring port, which is correspondingly provided with the control board. The control board is connected to the power supply through the wiring port.

[0022] In one embodiment, the top wall is further provided with a slot, and the document scanning device further includes a second circuit board. The second circuit board and the control board are disposed on opposite sides of the guide assembly. The second circuit board is electrically connected to the control board, and the second circuit board is correspondingly disposed with the slot.

[0023] The second circuit board is able to obtain information about the inserted document through the slot.

[0024] In one embodiment, the document scanning device further includes a positioning element disposed on the light-transmitting element, and the positioning element is disposed corresponding to at least two adjacent sides of the opening.

[0025] In one embodiment, the auxiliary component includes an interconnected light-emitting element and a loop antenna, the light-emitting element being used to provide a light source and the loop antenna being used to sense the document.

[0026] The technical solution of this utility model involves placing the auxiliary component within the cavity, close to the recognition area, so that the light emitted by the auxiliary component can illuminate the side of the document that needs to be recognized. The camera component is located on the bottom wall, facing the recognition area on the top wall. The camera component can directly acquire image information of the document. The control board is electrically connected to both the camera component and the auxiliary component, and can control the entire recognition process. This arrangement allows the camera component, auxiliary component, and control board to all be housed within the cavity, enabling installation solely through the cavity of the base itself. This makes full use of the space within the cavity, eliminating the need for additional external space to install the components, thereby reducing the size of the document scanning device and minimizing its footprint. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0028] Figure 1 A schematic diagram of the structure of an embodiment of the document scanning device provided by this utility model;

[0029] Figure 2 A schematic diagram of another embodiment of the document scanning device provided by this utility model;

[0030] Figure 3 A cross-sectional view of a document scanning device;

[0031] Figure 4An exploded view of the entire document scanning equipment;

[0032] Figure 5 An exploded view of part of the structure of a document scanning device;

[0033] Figure 6 This is a structural diagram of part of the document scanning device.

[0034] Explanation of icon numbers:

[0035] 100. Document scanning device; 1. Housing; 11. Top wall; 111. Opening; 112. Slot; 12. Bottom wall; 121. Foot pad; 13. Side wall; 131. Connection port; 14. Cavity; 15. Light-transmitting component; 151. Recognition area; 16. Control board; 17. Second circuit board; 18. Positioning component; 2. Camera assembly; 21. First circuit board; 22. Camera; 3. Auxiliary component; 4. Guiding component; 41. Focusing section; 411. First connection port; 42. Barrier section; 421. Second connection port; 422. Connecting ring; 423. Stepped surface; 424. Mounting post; 43. Transmission channel.

[0036] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0038] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0039] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0040] In settings such as customs, hospitals, and banks, document scanning devices can extract multi-dimensional information such as text, barcodes, and chips from documents like passports, ID cards, and medical insurance cards, greatly improving the efficiency of identity verification and information entry.

[0041] In existing technologies, document scanning devices generally include a base, a camera, a light-emitting element, and a control board. The base has a placement area for placing documents. The camera and light-emitting element are mounted above the base and aligned with the placement area. The control board is located in a cavity inside the base and is electrically connected to both the camera and the light-emitting element. When the document is placed in the placement area, the control board controls the camera to capture an image of the document from above the base and activates the light-emitting element to provide supplementary lighting to illuminate the document. Simultaneously, the control board can extract document information using image processing technology, enabling rapid recognition and data entry.

[0042] Because the base has an internal cavity to accommodate the control board and its wiring, the base itself has a certain volume and requires a considerable amount of space. Furthermore, the surface of the base needs to be fitted with a camera and a light source. The camera requires a certain height for focused imaging, and the light source needs sufficient space for uniform illumination, further increasing the size of the document scanning device. This results in a large overall size for the document scanning device, occupying excessive space.

[0043] The main purpose of this utility model is to provide a document scanning device 100, which aims to reduce the size of the document scanning device 100 and reduce the space occupied.

[0044] Please see Figures 1 to 6In one embodiment of this utility model, the document scanning device 100 includes a housing 1, a camera assembly 2, an auxiliary assembly 3, and a control board 16. The housing 1 surrounds a sealed cavity 14. The housing 1 has a top wall 11 and a bottom wall 12 arranged opposite to each other, and the top wall 11 forms an identification area 151 for placing documents. The camera assembly 2 is disposed on the bottom wall 12 and located inside the cavity 14 for identifying the side of the document facing the cavity 14. The auxiliary assembly 3 is disposed inside the cavity 14 and is located close to the identification area 151. The auxiliary assembly 3 is used to provide a light source. The control board 16 is disposed inside the cavity 14 and is electrically connected to the camera assembly 2 and the auxiliary assembly 3 respectively.

[0045] In this embodiment, the housing 1 serves as the structural foundation of the document scanning device 100, and an internal cavity 14 is formed therein for mounting the camera assembly 2, the auxiliary assembly 3, and the control board 16. Meanwhile, the recognition area 151 is located on the surface of the housing 1 and is used to place the document to be scanned. The camera assembly 2 is mounted within the cavity 14, aligned with the recognition area 151, and is able to capture information on the document. The auxiliary assembly 3 is also located within the cavity 14, close to the recognition area 151, providing the necessary light for document scanning and ensuring a clear image. The control board 16 manages the power and signal transmission of the camera assembly 2 and the auxiliary assembly 3.

[0046] Understandably, by placing the auxiliary component 3 within the cavity 14 and close to the recognition area 151, the light emitted by the auxiliary component 3 can illuminate the side of the document that needs to be recognized. The camera component 2 is located on the bottom wall 12 and faces the recognition area 151 on the top wall 11. The camera component 2 can directly acquire image information of the document. The control board 16 is electrically connected to both the camera component 2 and the auxiliary component 3, and can control the entire recognition process. This arrangement allows the camera component 2, the auxiliary component 3, and the control board 16 to all be housed within the cavity 14, enabling installation solely through the cavity 14 of the base itself. This makes full use of the space within the cavity 14, eliminating the need for additional external space to install components, thereby reducing the size of the document scanning device 100 and minimizing its footprint.

[0047] Optionally, the recognition area 151 is generally rectangular or rectangular. Furthermore, the size of the recognition area 151 can be adjusted according to the usage scenario, such as for passports, ID cards, and medical insurance cards, to accommodate documents of different sizes.

[0048] In one implementation, please refer to Figure 6 The auxiliary component 3 includes an interconnected light-emitting element and a loop antenna. The light-emitting element is used to provide a light source, and the loop antenna is used to sense the document.

[0049] In this embodiment, the auxiliary component 3 includes an interconnected light-emitting element and a loop antenna, which are arranged along the periphery of the identification area 151. The light-emitting element provides the light required for scanning, and the loop antenna senses the presence of the document or reads the chip information therein. Understandably, the loop antenna adds document sensing and information reading functions, enabling contactless reading of document information. The structure of the loop antenna is common in the prior art and will not be described in detail here.

[0050] Understandably, integrating the light-emitting element and the loop antenna together enables simultaneous shooting and document sensing functions in the recognition area 151, further reducing the size of the document scanning device 100.

[0051] Optionally, the light-emitting element can be an infrared light-emitting diode to emit infrared light. Understandably, some passports and ID cards use infrared-sensitive inks or materials that will only reveal specific patterns or information under infrared light, such as anti-counterfeiting watermarks and security threads.

[0052] In one implementation, please refer to Figure 2 , Figure 3 and Figure 6 The top wall 11 has an opening 111 that communicates with the cavity 14. The housing 1 also includes a light-transmitting element 15 that is attached to the top wall 11 to cover the opening 111. A recognition area 151 is formed on the surface of the light-transmitting element 15, and the recognition area 151 is correspondingly arranged with the opening 111. An auxiliary component 3 is arranged around the opening 111. A camera component 2 is located on the bottom wall 12 and is arranged facing the opening 111.

[0053] In this embodiment, an opening 111 is provided on the top wall 11, and the opening 111 communicates with the cavity 14. The light-transmitting element 15 is tightly attached to the top wall 11, closing the opening 111, and its surface forms an identification area 151 for placing the document. At this time, the light emitted by the auxiliary component 3 passes through the light-transmitting element 15 and shines on the document, and the light is then reflected into the camera component 2, thereby enabling the camera component 2 to acquire an image of the document.

[0054] Understandably, the light-transmitting element 15 not only prevents foreign objects from entering the cavity 14, but also serves as an optical medium to optimize light transmission and ensure that the camera assembly 2 obtains a clear image.

[0055] Alternatively, the opening 111 may not be made on the top wall 11. In this case, the top wall 11 is made of a light-transmitting material, and the identification area 151 is formed directly on the surface of the top wall 11.

[0056] Optionally, the material of the light-transmitting element 15 may be optical glass or polycarbonate with high light transmittance to ensure high light transmittance and low distortion.

[0057] Optionally, please refer to Figure 3 The bottom wall 12 is also provided with foot pads 121, which are used to support the entire document scanning device 100 to improve stability.

[0058] In one implementation, please refer to Figure 1 and Figure 2 The document scanning device 100 also includes a positioning element 18, which is disposed on the light-transmitting element 15, and the positioning element 18 is disposed corresponding to at least two adjacent sides of the opening 111.

[0059] In this embodiment, the document scanning device 100 is further equipped with a positioning member 18, which is mounted on the light-transmitting member 15 and corresponds to at least two adjacent sides of the opening 111. When the document is placed on the light-transmitting member 15, the document is directly moved so that the document abuts against at least two sides of the positioning member 18, thereby making the document exactly within the recognition area 151.

[0060] Understandably, the positioning element 18 is configured to protrude slightly from the surface of the light-transmitting element 15, by about 1 mm, to accommodate the thickness of the document.

[0061] In one implementation, please refer to Figure 3 and Figure 4 The document scanning device 100 also includes a guide component 4, which has a first connection port 411 and a second connection port 421 disposed opposite to each other, and a transmission channel 43 connecting the first connection port 411 and the second connection port 421. The transmission channel 43 is used to transmit light. The first connection port 411 is connected to the opening 111, and the camera 22 of the camera component 2 is inserted into the second connection port 421. The cross-section of the transmission channel 43 gradually decreases from the first connection port 411 to the second connection port 421.

[0062] In this embodiment, the transmission channel 43 of the guiding component 4 is used to guide light, the first connection port 411 is connected to the opening 111, and the camera 22 is located at the second connection port 421 and faces the opening 111. At this time, the auxiliary component 3 is installed between the top wall 11 and the guiding component 4 and is fixed by bolts.

[0063] Understandably, the transmission channel 43 is horn-shaped at this time. By gradually narrowing the transmission channel 43, the light reflected from the document can be transmitted to the camera 22 in a more focused manner, reducing light energy loss and enhancing image clarity.

[0064] In one implementation, please refer to Figure 3 and Figure 5The guiding component 4 includes a focusing section 41 and a barrier section 42 connected to each other. The focusing section 41 forms a first connection port 411, and the barrier section 42 forms a second connection port 421. The focusing section 41 and the barrier section 42 together enclose a transmission channel 43. The focusing section 41 is used to reflect the light emitted by the auxiliary component 3 toward the document, and the barrier section 42 is used to reduce the light emitted by the auxiliary component 3 reflected toward the camera 22.

[0065] In this embodiment, the focusing section 41 is provided with a first connection port 411 to connect with the opening 111. Simultaneously, the focusing section 41 can cooperate with the auxiliary component 3 to reflect and concentrate the light generated by the auxiliary component 3 onto the document. The barrier section 42 is provided with a second connection port 421 to connect with the camera component 2. Simultaneously, the barrier section 42 can reduce the direct reflection of light emitted by the auxiliary component 3 into the camera 22, block stray light from entering the camera 22, reduce halos and noise, and avoid interference with imaging.

[0066] Optionally, the inner wall of the focusing section 41 can be configured as a reflector to enhance the light focusing effect.

[0067] Optionally, the inner wall of the barrier section 42 can be treated with a matte finish, such as using a black frosted material, to absorb stray light and improve the barrier effect.

[0068] In one implementation, please refer to Figure 5 The barrier segment 42 includes multiple connecting rings 422 stacked sequentially, and the size of the connecting ring 422 near the focusing segment 41 is larger than the size of the connecting ring 422 near the camera 22. The inner walls of the multiple connecting rings 422 cooperate to form a stepped surface 423.

[0069] In this embodiment, the barrier segment 42 is composed of multiple connecting rings 422 stacked together, and the connecting ring 422 near the focusing segment 41 is larger in size, while the connecting ring 422 near the camera 22 is smaller in size, thus forming a stepped structure.

[0070] Understandably, the stepped surface 423 formed by the gradually changing size connecting ring 422 can reflect and absorb stray light, preventing it from reaching the camera 22, thereby improving image clarity.

[0071] In one implementation, please refer to Figure 4 and Figure 5 The camera assembly 2 includes a first circuit board 21 and a camera 22, with the camera 22 electrically connected to the first circuit board 21. Along the periphery of the barrier section 42, the outer wall of the barrier section 42 is provided with a plurality of mounting posts 424, which are detachably connected to the first circuit board 21.

[0072] In this embodiment, the camera assembly 2 includes a first circuit board 21 and a camera 22 that are electrically connected to each other. The camera 22 is positioned precisely in the center of the first circuit board 21, and it can capture images of identification documents. The first circuit board 21 provides power and data transmission support to the camera 22. Four mounting posts 424 are provided along the periphery of the outer wall of the barrier section 42. The mounting posts 424 have internal threads, and they abut against the four corners of the first circuit board 21 respectively. The mounting posts 424 and the first circuit board 21 are connected together by bolts.

[0073] Optionally, a limiting groove can be provided on the first circuit board 21, and the mounting post 424 can be inserted into the limiting groove to complete the installation.

[0074] Understandably, the detachable connection between the camera assembly 2 and the guide assembly 4 via the mounting post 424 makes the assembly of the document scanning device 100 more flexible, facilitating later maintenance and functional upgrades. When it is necessary to replace the camera 22 or repair the first circuit board 21, it is not necessary to disassemble the entire document scanning device 100, reducing maintenance costs.

[0075] In one implementation, please refer to Figure 3 and Figure 4 The housing 1 also includes a side wall 13, with the top wall 11 and the bottom wall 12 connected to the two sides of the side wall 13 respectively to enclose and form a cavity 14; the control board 16 is located between the side wall 13 and the guide assembly 4, and the side wall 13 of the housing 1 has a wiring port 131, which is correspondingly provided with the control board 16, and the control board 16 is connected to the power supply through the wiring port 131.

[0076] In this embodiment, the top wall 11, bottom wall 12, and side wall 13 form a cavity 14. The control board 16 is located between the side wall 13 and the guide assembly 4 inside the cavity 14, and is electrically connected to the camera assembly 2 and the auxiliary assembly 3 respectively, while managing the power and signal transmission of both. The wiring port 131 of the side wall 13 provides a power line for the control board 16 to ensure that the document scanning device 100 receives power.

[0077] In one implementation, please refer to Figure 2 and Figure 3 The top wall 11 also has a slot 112. The document scanning device 100 also includes a second circuit board 17, which is located on opposite sides of the guide assembly 4 with the control board 16. The second circuit board 17 is electrically connected to the control board 16 and is correspondingly positioned with the slot 112. The second circuit board 17 can obtain information about the inserted document through the slot 112.

[0078] In this embodiment, the top wall 11 is provided with a slot 112, and the second circuit board 17 is installed on the other side of the guide assembly 4, electrically connected to the control board 16, and corresponding to the position of the slot 112. When the document is inserted into the slot 112, the second circuit board 17 can read information such as the chip.

[0079] Understandably, by setting up slot 112 and the second circuit board 17, the card reading function can be implemented.

[0080] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A document scanning device, characterized in that, The document scanning device includes: The housing has a sealed cavity enclosed by the housing. The housing has a top wall and a bottom wall that are disposed opposite to each other. The top wall has an identification area for placing identification documents. A camera assembly, which is disposed on the bottom wall and located within the cavity, is used to identify the side of the document facing the cavity; An auxiliary component, disposed within the cavity and near the recognition area, is used to provide a light source; and A control board is disposed within the cavity and is electrically connected to the camera assembly and the auxiliary assembly, respectively.

2. The document scanning device as described in claim 1, characterized in that, The top wall has an opening that communicates with the cavity. The housing also includes a light-transmitting element that is attached to the top wall to cover the opening. The surface of the light-transmitting element has the identification area, which is correspondingly arranged with the opening. The auxiliary components are arranged around the opening. The camera assembly is located on the bottom wall and is positioned facing the opening.

3. The document scanning device as described in claim 2, characterized in that, The document scanning device further includes a guide component, which has a first connection port and a second connection port arranged opposite to each other, and a transmission channel connecting the first connection port and the second connection port. The transmission channel is used to transmit light. The first connection port is connected to the opening, and the camera of the camera component is inserted into the second connection port. The cross-section of the transmission channel gradually decreases from the first connection port to the second connection port.

4. The document scanning device as described in claim 3, characterized in that, The guiding component includes a focusing segment and a barrier segment connected to each other. The focusing segment forms a first connection port, and the barrier segment forms a second connection port. The focusing segment and the barrier segment together enclose the transmission channel. The focusing section is used to reflect the light emitted by the auxiliary component toward the document, and the barrier section is used to reduce the light emitted by the auxiliary component reflected toward the camera.

5. The document scanning device as described in claim 4, characterized in that, The barrier segment includes multiple connecting rings stacked sequentially, and the size of the connecting ring closer to the focusing segment is larger than the size of the connecting ring closer to the camera. The inner walls of the multiple connecting rings cooperate to form a stepped surface.

6. The document scanning device as described in claim 4, characterized in that, The camera assembly includes a first circuit board and the camera, wherein the camera is electrically connected to the first circuit board; Along the periphery of the barrier segment, the outer wall of the barrier segment is provided with a plurality of mounting posts, and the plurality of mounting posts are detachably connected to the first circuit board.

7. The document scanning device as described in claim 3, characterized in that, The housing also includes sidewalls, with the top wall and the bottom wall respectively connected to the two sides of the sidewalls to enclose and form the cavity; The control board is located between the side wall and the guide assembly. The side wall of the housing has a wiring port, which is correspondingly provided with the control board. The control board is connected to the power supply through the wiring port.

8. The document scanning device as described in claim 7, characterized in that, The top wall is also provided with a slot. The document scanning device also includes a second circuit board. The second circuit board and the control board are located on opposite sides of the guide component. The second circuit board is electrically connected to the control board, and the second circuit board is correspondingly arranged with the slot. The second circuit board is able to obtain information about the inserted document through the slot.

9. The document scanning device as described in claim 2, characterized in that, The document scanning device further includes a positioning element, which is disposed on the light-transmitting element and is disposed corresponding to at least two adjacent sides of the opening.

10. The document scanning device according to any one of claims 1 to 9, characterized in that, The auxiliary component includes an interconnected light-emitting element and a loop antenna. The light-emitting element provides a light source, and the loop antenna senses the document.

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