CN220743895U - Composite secret-related medium recycling device - Google Patents

Composite secret-related medium recycling device Download PDF

Info

Publication number
CN220743895U
CN220743895U CN202322382267.9U CN202322382267U CN220743895U CN 220743895 U CN220743895 U CN 220743895U CN 202322382267 U CN202322382267 U CN 202322382267U CN 220743895 U CN220743895 U CN 220743895U
Authority
CN
China
Prior art keywords
paper
optical disc
conveying device
box body
bin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202322382267.9U
Other languages
Chinese (zh)
Inventor
张先锋
陈书建
齐冠恒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unit 96608 Of Pla
Original Assignee
Unit 96608 Of Pla
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unit 96608 Of Pla filed Critical Unit 96608 Of Pla
Priority to CN202322382267.9U priority Critical patent/CN220743895U/en
Application granted granted Critical
Publication of CN220743895U publication Critical patent/CN220743895U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/64Paper recycling

Landscapes

  • Crushing And Pulverization Processes (AREA)

Abstract

The utility model introduces a composite confidential medium recycling device, which comprises a box body, a control and display device, a paper file processing mechanism and an optical disc processing mechanism; the control and display device is embedded on the upper surface of the box body and is electrically connected with the paper file processing mechanism and the optical disk processing mechanism. The utility model has compact integral structure and reasonable layout, processes and stores paper files and optical disk files in different channels and different areas, can record statistics, and meets the closed-loop management requirement of confidential files or optical disks.

Description

Composite secret-related medium recycling device
Technical Field
The utility model relates to the technical field of confidential medium processing devices, in particular to a composite confidential medium recycling device.
Background
The secret-related units need to execute strict secret management related regulations on the links of the secret-related paper files, the manufacture, the receiving, the transmitting, the use, the recovery and the like of the optical disk medium; after the confidential file or the optical disc medium is used, the confidential file or the optical disc medium is required to be recovered and uniformly processed according to the flow; the existing processing device has single function, can only scan and sell the media by a manual mode, or directly pulverize various media, and some media which do not need to be pulverized need to be stored separately, so that the statistics cannot be effectively classified; the structure is complex, the practicability is not strong, and the like.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a composite confidential medium recycling device which can meet various processing requirements, and has high automation degree and convenient management.
The technical scheme adopted by the utility model is as follows:
a composite confidential medium recycling device comprises a box body, a control and display device, a paper file processing mechanism and an optical disc processing mechanism;
the inside of the box body is divided into four bin bodies through a partition plate, the two bin bodies at the upper part of the front side are respectively a compact disc crushing storage bin and a compact disc integral recycling bin, and the two bin bodies at the rear side are respectively a crushed paper recycling bin and a paper integral recycling bin; the upper surface of the box body is provided with an optical disc recycling inlet corresponding to the optical disc integral recycling bin, and a paper recycling inlet corresponding to the paper integral recycling bin;
the control and display device is embedded on the upper surface of the box body and is electrically connected with the paper file processing mechanism and the optical disk processing mechanism;
the paper file processing mechanism comprises a paper feeding device, a paper scanning and identifying device, a first single-sheet paper conveying device, a second single-sheet paper conveying device, a first overturning plate and a paper shredder; the paper feeding device is arranged at a paper recycling inlet of the box body; the paper scanning and identifying device is arranged at the lower side of the top plate at the paper recycling inlet of the box body corresponding to the paper feeding device, scans the two-dimensional code generated by the upper and lower part imprint systems of the paper document page, and sends the identifying result and the counting result to the control and display device; the first single sheet paper conveying device is horizontally arranged in the paper piece integral recycling bin below the paper feeding device; the second single sheet paper conveying device and the first single sheet paper conveying device are arranged in the broken paper recycling bin correspondingly in the horizontal position; the front end of the first turnover plate is hinged to the tail end of the first single-sheet paper conveying device, when the tail end of the first turnover plate is obliquely downwards arranged, the tail end outlet of the first turnover plate is positioned in the paper piece integral recycling bin, and when the first turnover plate is horizontally arranged, the tail end of the first turnover plate corresponds to the inlet end of the second single-sheet paper conveying device, so that the first single-sheet paper conveying device is communicated with the second single-sheet paper conveying device; the inlet of the paper shredder is connected with the outlet of the tail end of the second single-sheet paper conveying device and is arranged in the paper shredding recovery bin.
The optical disc processing mechanism comprises a conveying roller, an optical disc scanning and identifying device, a first optical disc conveying device, a second turnover plate and an optical disc pulverizer; the conveying roller is arranged at the optical disc recovery inlet in the box body; the optical disk scanning and identifying device is arranged at the lower side of the top plate at the optical disk recovery inlet of the box body corresponding to the conveying roller; the first optical disc conveying device is horizontally arranged in the optical disc integral recycling bin below the conveying roller; the second optical disc conveying device and the first optical disc conveying device are correspondingly arranged in the optical disc crushing storage bin in horizontal position; the front end of the second turnover plate is hinged to the tail end of the first optical disc conveying device, when the tail end of the second turnover plate is obliquely downwards arranged, the tail end outlet of the second turnover plate is positioned in the integral optical disc recycling bin, and when the second turnover plate is positioned at the horizontal position, the tail end of the second turnover plate corresponds to the inlet end of the second optical disc conveying device, so that the first optical disc conveying device is communicated with the second optical disc conveying device; the inlet of the optical disk grinder is connected with the outlet of the tail end of the second optical disk conveying device and is arranged in the optical disk grinding storage bin.
Specifically, the control and display device comprises a controller and a touch display screen, wherein the touch display screen and the controller are of a folding connection structure, and the touch display screen does not protrude out of the upper surface of the box body after being folded.
More specifically, the optical disc recycling inlet and the paper recycling inlet are both provided with automatic baffles, and the automatic baffles are controlled to open and close by a controller.
More specifically, the paper feeding device comprises a supporting plate, a driving motor, a paper feeding roller and a supporting plate, wherein the supporting plate is obliquely arranged from an inlet of the box body to the inside of the box body, the paper feeding roller is arranged on the supporting plate, the driving motor is arranged in the side wall of the box body, and the controller controls the driving motor to drive the paper feeding roller to rotate so as to transfer paper files to the first single-sheet paper conveying device.
More specifically, the four bin bodies of the box body are internally provided with full bin alarm devices which are electrically connected with the controller.
Specifically, the first overturning plate and the second overturning plate both adopt an electric push rod or an air cylinder to drive the tail end to overturn, so that the inclination and the horizontal position are switched.
Specifically, the cabinet door with the intelligent lockset is arranged on the front side of the cabinet body.
Specifically, the paper scanning and identifying device is associated with an external text printing system, and the recovered file can timely eliminate the printing account information; the optical disc scanning and identifying device is associated with the borrowing system, and can timely eliminate the information of the optical disc borrowing account.
By adopting the technical scheme, the utility model has the following advantages:
the utility model has compact integral structure and reasonable layout, processes and stores paper files and optical disk files in different channels and different areas, can count and count accurately, and meets the closed-loop management requirement of confidential files or optical disks.
Drawings
Fig. 1 is a schematic view of the overall view of the present utility model with the cabinet door removed.
Fig. 2 is an overall schematic of the rear side of the present utility model.
In the figure: 1-box, 11-optical disc crushing storage bin, 12-optical disc integral recycling bin, 13-crushed paper recycling bin, 14-paper integral recycling bin, 15-optical disc recycling inlet, 16-paper recycling inlet, 17-automatic baffle, 2-control and display device, 3-paper document processing mechanism, 31-paper feeding device, 311-supporting plate, 312-paper feeding roller, 32-paper scanning and identifying device, 33-first single-page paper conveying device, 34-second single-page paper conveying device, 35-first turnover plate, 36-kneader, 4-optical disc processing mechanism, 41-conveying roller, 42-optical disc scanning and identifying device, 43-first optical disc conveying device, 44-second optical disc conveying device, 45-second turnover plate and 46-optical disc crusher.
Detailed Description
The present utility model is further explained below with reference to the drawings and examples, which are not to be construed as limiting the scope of the utility model, and the purpose of the present utility model is to protect all technical improvements within the scope of the utility model.
A composite confidential medium recycling device is shown in the accompanying figures 1-2, and comprises a box body 1, a control and display device 2, a paper file processing mechanism 3 and an optical disc processing mechanism 4.
The inside of the box body 1 is divided into four bin bodies through a partition plate, the two bin bodies at the upper part of the front side are respectively a compact disc crushing storage bin 11 and a compact disc integral recovery bin 12, and the two bin bodies at the rear side are respectively a crushed paper recovery bin 13 and a paper integral recovery bin 14; the upper surface of the box body 1 is provided with an optical disc recycling inlet 15 corresponding to the optical disc whole recycling bin 12, a paper recycling inlet 16 corresponding to the paper whole recycling bin 14, and the front side of the box body 1 is provided with a cabinet door with a lock.
The control and display device 2 is embedded on the upper surface of the box body 1, the control and display device 2 comprises a controller and a touch display screen, the touch display screen and the controller adopt a folding connection structure, and the touch display screen is arranged flush with the upper surface of the box body 1 after being folded; the control and display device 2 is electrically connected to the paper document processing mechanism 3 and the optical disc processing mechanism 4.
The paper document processing mechanism 3 includes a paper feeding device 31, a paper scanning and recognizing device 32, a first sheet feeding device 33, a second sheet feeding device 34, a first flipping plate 35, and a shredder 36; the paper feeding device 31 is arranged at the paper recycling inlet 16 of the box body 1; the paper feeding device 31 comprises a supporting plate 311, a driving motor and a paper feeding roller 312, wherein the supporting plate 311 is obliquely arranged from an inlet of the box body 1 to the inside of the box body 1, the paper feeding roller 312 is arranged on the supporting plate 311, the driving motor is arranged in the side wall of the box body 1, and the controller controls the driving motor to drive the paper feeding roller 312 to rotate so as to feed paper files to the first single-sheet paper conveying device 33; the paper scanning and identifying device 32 is arranged at the lower side of the top plate at the paper recycling inlet 16 of the box body 1 corresponding to the paper feeding device 31, and the paper scanning and identifying device 32 scans two-dimensional codes generated by the upper and lower part impression systems of the page of the paper document and sends identification results and counting results to the control and display device 2; the first sheet feeding device 33 is disposed in the sheet integral recovery bin 14 below the sheet feeding device 31; the second single sheet conveying device 34 is arranged in the broken sheet recovery bin 13 corresponding to the horizontal position of the first single sheet conveying device 33; the front end of the first overturning plate 35 is hinged to the tail end of the first single-sheet paper conveying device 33, and the tail end of the first overturning plate 35 is driven to overturn by an electric push rod to realize the switching between the inclination and the horizontal position; when the tail end of the first overturning plate 35 is obliquely downwards arranged, the tail end outlet of the first overturning plate 35 is positioned in the paper piece integral recycling bin 14, and when the first overturning plate 35 is horizontally arranged, the tail end of the first overturning plate 35 corresponds to the inlet end of the second single-sheet paper conveying device 34, so that the first single-sheet paper conveying device 33 and the second single-sheet paper conveying device 34 are communicated; the shredder 36 is disposed in the shredded paper recovery bin 13 at its inlet and at its outlet at the end of the second sheet feeder 34.
The optical disc processing mechanism 4 includes a conveying roller 41, an optical disc scanning recognition device 42, a first optical disc conveying device 43, a second optical disc conveying device 44, a second flipping plate 45, and an optical disc crusher 46; the conveying roller 41 is provided at the optical disc recovery inlet 15 in the case 1; the optical disc scanning and identifying device 42 is arranged at the lower side of the top plate at the optical disc recovery inlet 15 of the box body 1 corresponding to the conveying roller 41; the first optical disc conveying device 43 is arranged in the optical disc whole recovery bin 12 below the conveying roller 41; the second optical disc conveying device 44 is arranged in the optical disc crushing storage bin 11 corresponding to the horizontal position of the first optical disc conveying device 43; the front end of the second turnover plate 45 is hinged at the tail end of the first optical disc conveying device 43, and the tail end of the second turnover plate 45 is driven to turn over by an electric push rod to realize the switching between the inclination and the horizontal position; when the tail end of the second turnover plate 45 is obliquely downwards arranged, the tail end outlet of the second turnover plate 45 is positioned in the integral optical disc recycling bin 12, and when the second turnover plate 45 is positioned at the horizontal position, the tail end of the second turnover plate 45 corresponds to the inlet end of the second optical disc conveying device 44, so that the first optical disc conveying device 43 and the second optical disc conveying device 44 are communicated; the inlet of the optical disk grinder 46 is connected with the outlet of the end of the second optical disk conveying device 44 and is arranged in the optical disk grinding storage bin 11.
Preferably, the automatic baffle 17 is arranged at the position of the optical disc recycling inlet 15 and the paper recycling inlet 16, and the automatic baffle 17 is controlled to open and close by a controller.
Preferably, the four bin bodies of the box body 1 are provided with full bin alarm devices, and the full bin alarm devices are electrically connected with the controller.
Preferably, the paper scanning and identifying device 32 is associated with an external text printing system, and the recovered file can timely eliminate the printing account information; the optical disc scanning and identifying device 42 is associated with an external borrowing system, and can timely eliminate the optical disc borrowing account information.
When the paper file is processed, personnel information is input in advance through a touch display screen, a login mode is adopted for facial recognition, fingerprint or password login, a paper shredding or whole page recovery option is selected after login, the controller controls the automatic baffle 17 to open the paper file recovery inlet 16, the paper file is placed on the supporting plate 311 of the paper feeding device 31 in batches and in a sorting mode, the driving motor drives the paper feeding roller 312 to rotate, the paper file is conveyed to the first single-page paper conveying device 33, when the paper feeding device 31 works, the paper scanning recognition device 32 scans and recognizes two-dimensional codes on the paper file at the same time, the recognized information is sent to the controller for counting and recording, if the whole page recovery is selected, the downward inclined position of the first turning plate 35 is unchanged, and when the first single-page paper conveying device 33 directly conveys the paper file to the position of the first turning plate 35, the paper file falls into the paper whole recovery bin 14 along the first turning plate 35 which is inclined downwards; when the paper shredding mode is selected, the controller controls the electric push rod to act to drive the tail end of the first overturning plate 35 to upwards when the paper feeding device 31 works, the first overturning plate 35 is rotated to a horizontal position, paper files on the first single-page paper conveying device 33 enter the second single-page paper conveying device 34 through the first overturning plate 35, then the paper files are conveyed into the paper shredder 36 by the second single-page paper conveying device 34 to be shredded, the size of the shredded paper scraps accords with confidentiality regulations and related requirements, the shredded paper scraps fall into the shredded paper recycling bin 13, clicking is completed on a touch display screen after completion, and the automatic baffle 17 closes the paper recycling inlet 16.
When the optical disc file is processed, personnel information is input in advance through a touch display screen, a login mode is adopted for facial recognition, fingerprint or password login, an optical disc smashing or integral recycling option is selected after login, the controller controls the automatic baffle to open the optical disc recycling inlet 15, the optical disc is placed between the conveying rollers 41, the conveying rollers 41 work, and the conveying rollers 41 convey the optical disc to the first optical disc conveying device 43; if the option of recovering the whole optical disc is selected, the second overturning plate 45 keeps the inclined downward position unchanged, and the optical disc on the first optical disc conveying device 43 falls into the whole optical disc recovering bin 12 along the second overturning plate 45; if the optical disc crushing option is selected, the controller controls the electric push rod to push up the tail end of the second turnover plate 45, the second turnover plate 45 is rotated to the horizontal position, the optical disc on the first optical disc conveying device 43 enters the second optical disc conveying device 44 through the second turnover plate 45, and then is conveyed into the optical disc crusher 46 by the second optical disc conveying device 44 to be crushed, the size of the scraps accords with the confidentiality regulation and related requirements, the scraps fall into the optical disc crushing storage bin 11, clicking is completed on the touch display screen after completion, and the automatic baffle plate closes the optical disc recycling inlet 15.
The utility model is not described in detail in the prior art.
The embodiments selected herein for the purposes of disclosing the present utility model are presently considered to be suitable, however, it is to be understood that the present utility model is intended to include all such variations and modifications as fall within the spirit and scope of the present utility model.

Claims (8)

1. The composite confidential medium recycling device is characterized by comprising a box body, a control and display device, a paper file processing mechanism and an optical disc processing mechanism;
the inside of the box body is divided into four bin bodies through a partition plate, the two bin bodies at the upper part of the front side are respectively a compact disc crushing storage bin and a compact disc integral recycling bin, and the two bin bodies at the rear side are respectively a crushed paper recycling bin and a paper integral recycling bin; the upper surface of the box body is provided with an optical disc recycling inlet corresponding to the optical disc integral recycling bin, and a paper recycling inlet corresponding to the paper integral recycling bin;
the control and display device is embedded on the upper surface of the box body and is electrically connected with the paper file processing mechanism and the optical disk processing mechanism;
the paper file processing mechanism comprises a paper feeding device, a paper scanning and identifying device, a first single-sheet paper conveying device, a second single-sheet paper conveying device, a first overturning plate and a paper shredder; the paper feeding device is arranged at a paper recycling inlet of the box body; the paper scanning and identifying device is arranged at the lower side of the top plate at the paper recycling inlet of the box body corresponding to the paper feeding device, scans the two-dimensional code generated by the upper and lower part imprint systems of the paper document page, and sends the identifying result and the counting result to the control and display device; the first single sheet paper conveying device is horizontally arranged in the paper piece integral recycling bin below the paper feeding device; the second single sheet paper conveying device and the first single sheet paper conveying device are arranged in the broken paper recycling bin correspondingly in the horizontal position; the front end of the first turnover plate is hinged to the tail end of the first single-sheet paper conveying device, when the tail end of the first turnover plate is obliquely downwards arranged, the tail end outlet of the first turnover plate is positioned in the paper piece integral recycling bin, and when the first turnover plate is horizontally arranged, the tail end of the first turnover plate corresponds to the inlet end of the second single-sheet paper conveying device, so that the first single-sheet paper conveying device is communicated with the second single-sheet paper conveying device; the paper shredder inlet is connected with the tail end outlet of the second single-sheet paper conveying device and is arranged in the shredded paper recycling bin;
the optical disc processing mechanism comprises a conveying roller, an optical disc scanning and identifying device, a first optical disc conveying device, a second turnover plate and an optical disc pulverizer; the conveying roller is arranged at the optical disc recovery inlet in the box body; the optical disk scanning and identifying device is arranged at the lower side of the top plate at the optical disk recovery inlet of the box body corresponding to the conveying roller; the first optical disc conveying device is horizontally arranged in the optical disc integral recycling bin below the conveying roller; the second optical disc conveying device and the first optical disc conveying device are correspondingly arranged in the optical disc crushing storage bin in horizontal position; the front end of the second turnover plate is hinged to the tail end of the first optical disc conveying device, when the tail end of the second turnover plate is obliquely downwards arranged, the tail end outlet of the second turnover plate is positioned in the integral optical disc recycling bin, and when the second turnover plate is positioned at the horizontal position, the tail end of the second turnover plate corresponds to the inlet end of the second optical disc conveying device, so that the first optical disc conveying device is communicated with the second optical disc conveying device; the inlet of the optical disk grinder is connected with the outlet of the tail end of the second optical disk conveying device and is arranged in the optical disk grinding storage bin.
2. The composite confidential medium recovery processing device according to claim 1, wherein: the control and display device comprises a controller and a touch display screen, wherein the touch display screen and the controller are of a folding connection structure, and the touch display screen does not protrude out of the upper surface of the box body after being folded.
3. The composite confidential medium recovery processing device according to claim 2, wherein: the automatic baffle plates are arranged at the disc recycling inlet and the paper recycling inlet, and the automatic baffle plates are controlled to open and close by the controller.
4. The composite confidential medium recovery processing device according to claim 2, wherein: the paper feeding device comprises a supporting plate, a driving motor, a paper feeding roller and a supporting plate, wherein the supporting plate is obliquely arranged in the box body from an inlet of the box body, the paper feeding roller is arranged on the supporting plate, the driving motor is arranged in the side wall of the box body, and the controller controls the driving motor to drive the paper feeding roller to rotate so as to transfer paper files to the first single-sheet paper conveying device.
5. The composite confidential medium recovery processing device according to claim 2, wherein: the four bin bodies of the box body are internally provided with full bin alarm devices which are electrically connected with the controller.
6. The composite confidential medium recovery processing device according to claim 2, wherein: the first overturning plate and the second overturning plate adopt electric push rods or air cylinders to drive the tail ends to overturn, so that the inclination and the horizontal position are switched.
7. The composite confidential medium recovery processing device according to claim 1, wherein: the cabinet door with the intelligent lockset is arranged on the front side of the cabinet body.
8. The composite confidential medium recovery processing device according to claim 1, wherein: the paper scanning and identifying device is associated with an external text printing system, and the recovered file can timely eliminate the printing account information; the optical disc scanning and identifying device is associated with the borrowing system, and can timely eliminate the information of the optical disc borrowing account.
CN202322382267.9U 2023-09-04 2023-09-04 Composite secret-related medium recycling device Active CN220743895U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322382267.9U CN220743895U (en) 2023-09-04 2023-09-04 Composite secret-related medium recycling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322382267.9U CN220743895U (en) 2023-09-04 2023-09-04 Composite secret-related medium recycling device

Publications (1)

Publication Number Publication Date
CN220743895U true CN220743895U (en) 2024-04-09

Family

ID=90570092

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322382267.9U Active CN220743895U (en) 2023-09-04 2023-09-04 Composite secret-related medium recycling device

Country Status (1)

Country Link
CN (1) CN220743895U (en)

Similar Documents

Publication Publication Date Title
CN104443943A (en) Beverage bottle recovering device
CN112761430A (en) Multifunctional tool password box for accountants and using method
CN220743895U (en) Composite secret-related medium recycling device
CN109230085A (en) A kind of waste paper recycling machine
CN208050080U (en) A kind of dedicated efficient paper shredder of office
CN211160073U (en) Film-coated paper pulper with single-shaft multi-cavity structure
CN219335329U (en) Storage medium staged destroying device
CN211755380U (en) Paper scrap crusher convenient to clean
KR20210115176A (en) Paper shredder
CN208526835U (en) Cabinet is destroyed in recycling
CN209901928U (en) Processing apparatus of printing waste material
CN102172599B (en) Recycling device of automatic plastic bottle treater
CN115056581A (en) Full-flow archive management system
CN211140401U (en) Intelligent paper recycling box
CN216322401U (en) Confidential paper shredding device for finance and tax industry
KR102504965B1 (en) Grinder Cutter
CN216606592U (en) Efficient information security reducing mechanism
CN216987844U (en) High-environment-friendly smashing device
CN216322402U (en) File crushing apparatus convenient to card paper clearance
CN214021248U (en) Tax bill printing device with crushing function
CN211887140U (en) A refine reducing mechanism for carbon black
CN219377365U (en) Information safety paper shredder
CN113333124B (en) Financial economic secret file destroys auxiliary device
CN208542374U (en) Disintegrating apparatus
CN210585223U (en) Paper shredder capable of separating inkless part in waste paper

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant