Secret mark scanning device

By introducing spray and ironing components into the scanning device to remove document wrinkles, the problem of difficulty in revealing the dark features of color laser-printed documents at wrinkles is solved, and efficient and accurate extraction of dark features is achieved.

CN223744759UActive Publication Date: 2025-12-30WAN ZIJIAN TESTING TECH (BEIJING) CO LTD
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Patent Information

Application Number
CN202520151845.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-12-30
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

In existing technologies, the dark features of color laser-printed documents are difficult to show in the wrinkles or creases of the documents, resulting in chaotic and missing data in the measurement of the dark feature dot matrix, which affects the accuracy of identification.

Method used

Design a hidden mark scanning device, including a spraying component, an ironing component, and a scanning component. After the document is moistened by spraying, the ironing roller removes the wrinkles, and then the scanning component scans the hidden mark features of the document.

Benefits of technology

It effectively removes document wrinkles and creases, improves the accuracy of extracting hidden features, and ensures clear visibility and accurate scanning of hidden features.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a secret mark scanning device, which comprises a shell, a belt type conveying assembly, a spraying assembly, an ironing assembly and a scanning assembly, and is characterized in that the shell is provided with a paper inlet and a paper outlet; the belt conveying assembly is arranged in the shell, one end is arranged at the paper inlet, and the other end is arranged at the paper outlet; the spraying assembly is arranged on the upper side of the belt type conveying assembly and used for wetting files on the belt type conveying assembly. The ironing assembly comprises an ironing roller and an ironing driving assembly, the ironing roller is arranged on the side, opposite to the paper inlet, of the spraying assembly, the two ends of the ironing roller are connected with the shell, and the lower side of the ironing roller abuts against the belt type conveying assembly; the ironing driving assembly is connected with the shell, and the power output end is connected with the ironing roller; the scanning assembly is arranged between the ironing assembly and the paper outlet, connected with the shell and used for scanning secret mark characteristics of the files. According to the secret mark scanning device provided by the utility model, wrinkles and creases can be effectively removed firstly, and then the scanning assembly scans the secret mark characteristics of a file, so that the accuracy of the extracted secret mark characteristics is effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to scanning equipment technical field, concretely relates to a hidden record scanning device. BACKGROUND

[0002] In the judicial document authentication practice, the laser color printing file has become a common authentication project, and the inspection of its manufacturing method, source, authenticity and manufacturing time has become a difficult problem that needs to be solved in the practice of such authentication. At present, the authentication of color laser printing files mainly relies on the species characteristics, individual characteristics and physical and chemical inspection of the printing files reflected in the process of using, repairing and maintaining the printer. Usually, color laser printing files will have hidden record characteristics. These characteristics are not easy to be found by naked eyes, and under certain magnification or under the irradiation of a specific light source, a dot matrix pattern formed by regularly arranged yellow small dots can be clearly presented. The rules of these patterns are written into the internal chip of the printer before it is shipped, which are related to the brand, model, time, manufacturer and serial number of the printer. Therefore, the acquisition of this hidden record information is of great significance to such authentication.

[0003] At present, the scanning and collection of hidden record characteristics mainly rely on scanners and optical inspection equipment. However, the inspection files may have a certain degree of wrinkling phenomenon, which causes the hidden record dot matrix at the crease and wrinkle position to be invisible or missing, resulting in chaotic measurement data and missing dot matrix arrangement of the hidden record dot matrix pattern. UTILITY MODEL CONTENTS

[0004] The utility model provides a hidden record scanning device, which aims to solve the technical problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of providing a hidden record scanning device, which comprises:

[0006] A shell is provided with a paper inlet and a paper outlet.

[0007] A belt type conveying assembly is arranged in the shell, one end of which is arranged at the paper inlet and the other end is arranged at the paper outlet.

[0008] A spraying assembly is arranged on the upper side of the belt type conveying assembly to moisten the files on the belt type conveying assembly.

[0009] An ironing assembly comprises an ironing roller and an ironing driving assembly. The ironing roller is arranged on the side of the spraying assembly away from the paper inlet, both ends of the ironing roller are connected with the shell, and the lower side of the ironing roller abuts against the belt type conveying assembly. The ironing driving assembly is connected with the shell, and the power output end of the ironing driving assembly is connected with the ironing roller.

[0010] A scanning assembly is arranged between the ironing assembly and the paper outlet, and is connected with the shell, and is used for scanning the marking features of the file.

[0011] In a possible implementation of the marking scanning device provided in the utility model, the belt conveying assembly comprises:

[0012] A supporting box is connected with the shell.

[0013] Two belt rollers are arranged at two ends of the supporting box and are connected with the shell.

[0014] A conveying belt is sleeved on the two belt rollers.

[0015] A conveying driving assembly is connected with the shell, and a power output end is connected with the belt roller.

[0016] In a possible implementation of the marking scanning device provided in the utility model, the belt conveying assembly further comprises a negative pressure generating assembly, the negative pressure generating assembly is in communication with the inside of the supporting box, a plurality of first air holes are arranged on the top of the supporting box, a plurality of second air holes are arranged on the conveying belt, and the second air holes are adapted to be in communication with the first air holes.

[0017] In a possible implementation of the marking scanning device provided in the utility model, two pressure rollers are further arranged, the two pressure rollers are arranged at the paper inlet and the paper outlet respectively, are connected with the shell, and are in abutment with the belt conveying assembly.

[0018] In a possible implementation of the marking scanning device provided in the utility model, the spraying assembly comprises a water pump and a spraying pipe, the spraying pipe is connected with the shell, a plurality of spray heads are arranged on the lower side of the spraying pipe, the water outlet end of the water pump is in communication with the spraying pipe, and the water inlet end is in communication with a water source.

[0019] In a possible implementation of the marking scanning device provided in the utility model, a pulling assembly is further arranged, the pulling assembly is arranged between the paper inlet and the ironing assembly, is arranged on the upper side of the belt conveying assembly, and is connected with the shell; the pulling assembly comprises two pulling mechanisms, the two pulling mechanisms are arranged on the two sides in the width direction of the belt conveying assembly respectively, are connected with the shell, and are used for pulling the file to the two sides.

[0020] In a possible implementation of the marking scanning device provided in the utility model, the pulling mechanism comprises:

[0021] A brush roller is arranged in the axis direction and is parallel to the conveying direction of the belt conveying assembly, the brush roller is connected with the shell, and the bristles are in contact with the file.

[0022] A pulling and driving assembly is connected with the shell, and a power output end is connected with the brush roller.

[0023] In a possible implementation manner of the hidden record scanning device provided in the utility model, the ironing assembly comprises two ironing rollers.

[0024] In a possible implementation manner of the hidden record scanning device provided in the utility model, the scanning assembly comprises a light source assembly and a scanning mechanism, and the light source assembly and the scanning mechanism are both connected with the shell.

[0025] In a possible implementation manner of the hidden record scanning device provided in the utility model, the light source comprises a multi-band light source and a fluorescent light source.

[0026] The hidden record scanning device provided in the utility model has the following beneficial effects compared with the prior art: the spraying assembly, the ironing assembly and the scanning assembly are sequentially arranged on the upper side of the belt type conveying assembly along the conveying direction of the belt type conveying assembly, so that the file is first sprayed and moistened by the spraying assembly, then ironed by the ironing rollers in the ironing assembly, and then effectively removes the wrinkles and creases, and finally, the hidden record features of the file are scanned by the scanning assembly, thereby effectively improving the accuracy of the extracted hidden record features. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 A perspective structural schematic view of the hidden record scanning device provided in the utility model embodiment is shown in the figure;

[0028] Figure 2 A sectional structural schematic view of the hidden record scanning device provided in the utility model embodiment is shown in the figure;

[0029] Figure 3 The figure is a sectional structural view along Figure 2 the A-A line in the figure;

[0030] Explanation of reference signs:

[0031] 10, shell; 21, support box; 22, belt roller; 23, conveying belt; 24, negative pressure generating assembly;

[0032] 25, compression roller; 26, conveying driving assembly; 31, water pump; 32, spraying pipe; 41, brush roller;

[0033] 42, pulling and driving assembly; 51, ironing roller; 52, ironing driving assembly; 61, multi-band light source;

[0034] 62, fluorescent light source; 63, scanning mechanism. DETAILED DESCRIPTION

[0035] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are merely intended to explain the present application, and are not intended to limit the present application.

[0036] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. The description of the at least one exemplary embodiment below is actually only illustrative, but not as any limitation on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0037] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should be understood that, when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0038] Unless specifically stated otherwise, the relative arrangement of components and steps, numerical expressions, and numerical values set forth in the various embodiments described herein are not meant to limit the scope of the present application. It is also to be understood that the various embodiments described herein can be implemented in software, hardware, firmware, or any combination thereof. Moreover, it is to be understood that the phraseology or terminology employed herein, and not otherwise specifically defined, is for the purpose of description only and not of limitation. Any specific units and documents of the technical, method and equipment known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered as part of the specification when appropriate. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of the exemplary embodiments can have different values. It should be noted that similar reference numerals and letters in the following drawings represent similar items, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0039] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship are generally based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the scope of protection of the present application; The orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0040] For the convenience of description, spatial relative terms such as "over", "above", "upper surface", "upper" and the like can be used herein to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "over" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways, and the spatial relative description used herein is interpreted accordingly.

[0041] In addition, it should be noted that the use of "first", "second" and the like to define parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore it cannot be understood as a limitation on the scope of protection of the present application.

[0042] Please refer to Figures 1 to 3 , now the dark scanning device provided by the utility model will be described. The dark scanning device comprises a shell 10, a belt conveying assembly, a spraying assembly, an ironing assembly and a scanning assembly. The shell 10 is provided with a paper inlet and a paper outlet. The belt conveying assembly is arranged in the shell 10, one end of the belt conveying assembly is arranged at the paper inlet, and the other end of the belt conveying assembly is arranged at the paper outlet. The spraying assembly is arranged on the upper side of the belt conveying assembly and is used to wet the files on the belt conveying assembly. The ironing assembly comprises an ironing roller 51 and an ironing driving assembly 52. The ironing roller 51 is arranged on the side of the spraying assembly away from the paper inlet, both ends of the ironing roller 51 are connected with the shell 10, and the lower side of the ironing roller 51 abuts against the belt conveying assembly. The ironing driving assembly 52 is connected with the shell 10, and the power output end of the ironing driving assembly 52 is connected with the ironing roller 51. The scanning assembly is arranged between the ironing assembly and the paper outlet and is connected with the shell 10, and the scanning assembly is used to scan the dark features of the files.

[0043] The beneficial effect of the hidden record scanning device provided by the embodiment of the utility model is: compared with prior art, the hidden record scanning device provided by the embodiment of the utility model is provided with a spraying assembly, an ironing assembly and a scanning assembly on the upper side of the belt conveying assembly in turn along the conveying direction of the belt conveying assembly, so that the file is first sprayed by the spraying assembly, then is ironed by the ironing roller 51 in the ironing assembly, and then the wrinkles and creases are effectively removed, finally, the hidden record features of the file are scanned by the scanning assembly, and the accuracy of the extracted hidden record features is effectively improved.

[0044] As shown in Figure 1 and Figure 2 In a specific embodiment of the hidden record scanning device provided by the embodiment of the utility model, the belt conveying assembly comprises a support box 21, a belt roller 22, a conveying belt 23 and a conveying driving assembly 26, the support box 21 is connected with the shell 10, two belt rollers 22 are arranged at both ends of the support box 21 and are connected with the shell 10, the conveying belt 23 is sleeved on the two belt rollers 22, and the conveying driving assembly 26 is connected with the shell 10 and connected with the belt roller 22.

[0045] It should be noted that the conveying driving assembly 26 is an existing motor assembly, which is used to drive one of the belt rollers 22 to rotate. The ironing driving assembly 52 is also an existing motor assembly, which is used to drive the ironing roller 51 to rotate. The ironing roller 51 is an existing device with a heating function.

[0046] As shown in Figure 1 and Figure 2 In a specific embodiment of the hidden record scanning device provided by the embodiment of the utility model, the belt conveying assembly further comprises a negative pressure generating assembly 24, the negative pressure generating assembly 24 is in communication with the inside of the support box 21, a plurality of first air holes are arranged on the top of the support box 21, a plurality of second air holes are arranged on the conveying belt 23, and the second air holes are adapted to be in communication with the first air holes.

[0047] It should be noted that during the movement of the conveying belt 23, part of the second air holes are always in communication with the first air holes; the diameter of the second air holes is small, so as not to affect the support effect on the paper during ironing; the negative pressure generating assembly 24 is a device capable of generating negative pressure such as a negative pressure pump and a vacuum generator, which is in communication with the support box 21 through a pipeline, so that the inside of the support box 21 is in a negative pressure state, and the upper side of the conveying belt 23 is in a negative pressure state through the communication of the first air holes and the second air holes, so as to firmly adsorb the file, which is beneficial to the flattening of the file, and at the same time, the generated steam during ironing is actively absorbed, so as to avoid affecting the scanning.

[0048] Specifically, the diameter of the second air hole is less than 1mm, or the second air hole is filled with a breathable supporting material such as a plurality of layers of non-woven fabric, so as to ensure the breathability while providing sufficient support and ensuring the ironing effect.

[0049] As Figure 2 and Figure 3 shown, in a specific embodiment of the dark record scanning device provided by the embodiment of the utility model, it further includes two compression rollers 25, the two compression rollers 25 are arranged at the paper inlet and the paper outlet respectively, are connected with the shell 10, and abut with the belt conveying assembly.

[0050] Specifically, the compression roller 25 is an existing device, which is provided with a rubber layer to cooperate with the conveying belt 23 to convey the file.

[0051] As Figure 2 and Figure 3 shown, in a specific embodiment of the dark record scanning device provided by the embodiment of the utility model, the spraying assembly includes a water pump 31 and a spraying pipe 32, the spraying pipe 32 is connected with the shell 10, the lower side of the spraying pipe 32 is provided with a plurality of spray heads, the water outlet end of the water pump 31 is communicated with the spraying pipe 32, and the water inlet end is communicated with a water source.

[0052] Specifically, the spraying pipe 32 is perpendicular to the conveying direction of the conveying belt 23, and a plurality of atomizing spray heads are arranged in the axial direction of the spraying pipe 32, so that the entire paper file can be moistened.

[0053] As Figure 2 and Figure 3 shown, in a specific embodiment of the dark record scanning device provided by the embodiment of the utility model, it further includes a pulling assembly, the pulling assembly is arranged between the paper inlet and the ironing assembly and is arranged on the upper side of the belt conveying assembly, and is connected with the shell 10; the pulling assembly includes two pulling mechanisms, the two pulling mechanisms are arranged on the two sides in the width direction of the belt conveying assembly respectively, are connected with the shell 10, and are used to pull the file to the two sides.

[0054] Specifically, as Figure 2 and Figure 3 shown, in a specific embodiment of the dark record scanning device provided by the embodiment of the utility model, the pulling mechanism includes a brush roller 41 and a pulling driving assembly 42, the axial direction of the brush roller 41 is parallel to the conveying direction of the belt conveying assembly, the brush roller 41 is connected with the shell 10, and the bristles are adapted to contact the file; the pulling driving assembly 42 is connected with the shell 10, and the power output end is connected with the brush roller 41.

[0055] It should be noted that the bristles of the brush roller 41 are made of relatively soft and wear-resistant materials such as rubber or silica gel, and during operation, the two brush rollers 41 rotate outwardly, thereby pulling the file in the width direction and the length direction of the file, so that the file entering the ironing roller 51 is as flat as possible, and the ironing effect is ensured. The pulling driving assembly 42 is an existing motor assembly, which can drive the brush roller 41 to rotate.

[0056] Specifically, the end portions of the two ironing rollers 51 are connected together by a belt or a chain to realize synchronous rotation.

[0057] As Figure 2 and Figure 3 As shown in a specific embodiment of the hidden record scanning device provided by the embodiment of the present application, the ironing assembly includes two ironing rollers 51 to improve the ironing effect.

[0058] As Figure 2 and Figure 3 As shown in a specific embodiment of the hidden record scanning device provided by the embodiment of the present application, the scanning assembly includes a light source assembly and a scanning mechanism 63, and the light source assembly and the scanning mechanism 63 are both connected with the shell 10.

[0059] It should be noted that the scanning mechanism 63 is a conventional scanning device and has a magnification function to effectively scan the hidden record features.

[0060] As Figure 2 As shown in a specific embodiment of the hidden record scanning device provided by the embodiment of the present application, the light source includes a multi-band light source 61 and a fluorescent light source 62 to make the hidden record features appear as much as possible, so as to be scanned and recorded by the scanning mechanism 63.

[0061] Specifically, the wavelength range of the multi-band light source 61 is: high color rendering white light, 445nm blue light, and 365nm ultraviolet light.

[0062] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A subvocal scanning device characterized by, The application relates to a file processing device. The file processing device comprises a shell, a paper feeding port and a paper discharging port, a belt conveying assembly arranged in the shell, one end of the belt conveying assembly being arranged at the paper feeding port and the other end being arranged at the paper discharging port, a spraying assembly arranged on the upper side of the belt conveying assembly and used for wetting the file on the belt conveying assembly, an ironing assembly comprising an ironing roller and an ironing driving assembly, the ironing roller being arranged on the side of the spraying assembly away from the paper feeding port, the two ends of the ironing roller being connected with the shell and the lower side of the ironing roller abutting against the belt conveying assembly, the ironing driving assembly being connected with the shell and the power output end of the ironing driving assembly being connected with the ironing roller, and a scanning assembly arranged between the ironing assembly and the paper discharging port and connected with the shell and used for scanning the file. The belt conveying assembly comprises a supporting box connected with the shell, two belt rollers arranged at the two ends of the supporting box and connected with the shell, a conveying belt sleeved on the two belt rollers, and a conveying driving assembly connected with the shell and having a power output end connected with the belt rollers. The belt conveying assembly further comprises a negative pressure generating assembly connected with the inside of the supporting box, a plurality of first air holes arranged on the top of the supporting box, and a plurality of second air holes arranged on the conveying belt and adapted to be communicated with the first air holes. The file processing device further comprises two pressing rollers arranged at the paper feeding port and the paper discharging port respectively, connected with the shell and abutting against the belt conveying assembly. The spraying assembly comprises a water pump and a spraying pipe connected with the shell, the lower side of the spraying pipe being provided with a plurality of spray heads, the water outlet end of the water pump being communicated with the spraying pipe and the water inlet end of the water pump being communicated with a water source.

2. The mark sensing device of claim 1, wherein The file processing device further comprises a pulling assembly arranged between the paper feeding port and the ironing assembly, arranged on the upper side of the belt conveying assembly and connected with the shell, the pulling assembly comprising two pulling mechanisms arranged at the two sides of the width direction of the belt conveying assembly respectively and connected with the shell and used for pulling the file to the two sides. The pulling mechanism comprises a brush roller having an axis direction parallel to the conveying direction of the belt conveying assembly, the brush roller being connected with the shell and the bristles being adapted to contact the file, and a pulling driving assembly connected with the shell and having a power output end connected with the brush roller. The ironing assembly comprises two ironing rollers. The scanning assembly comprises a light source assembly and a scanning mechanism, both of which are connected with the shell. The light source comprises a multi-waveband light source and a fluorescent light source.

3. The mark sensing device of claim 2, wherein ​ 4. The mark sensing device of claim 1, wherein ​ 5. The memorization scanning apparatus according to claim 1, wherein ​ 6. The watermark scanning apparatus of claim 1, wherein ​ 7. The mark sensing device of claim 6, wherein ​ ​ ​ 8. The watermark scanning apparatus of claim 1, wherein ​ 9. The watermark scanning apparatus of claim 1, wherein ​ 10. The mark sensing device of claim 9, wherein, ​