CN111950676B - Self-heating anti-theft data storage disc - Google Patents
Self-heating anti-theft data storage disc Download PDFInfo
- Publication number
- CN111950676B CN111950676B CN202010781460.8A CN202010781460A CN111950676B CN 111950676 B CN111950676 B CN 111950676B CN 202010781460 A CN202010781460 A CN 202010781460A CN 111950676 B CN111950676 B CN 111950676B
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- China
- Prior art keywords
- shell
- lock sleeve
- conductor
- card
- data storage
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- 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.)
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
- G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/0772—Physical layout of the record carrier
- G06K19/07732—Physical layout of the record carrier the record carrier having a housing or construction similar to well-known portable memory devices, such as SD cards, USB or memory sticks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/0013—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
Abstract
The invention discloses a self-heating anti-theft data storage disk, which comprises a shell, a card reader and an SD card, wherein the card reader comprises a USB interface and an SD card slot, the USB interface extends out from one side of the shell, the data storage disk also comprises an anti-theft assembly, the anti-theft assembly comprises a plurality of lock sleeves, a heating body and a thermosensitive bimetallic strip, the lock sleeves are rotatably connected with the shell, a first conductor is arranged in each lock sleeve, a second conductor is oppositely arranged in the shell at two sides of the lock sleeves, a guide frame is arranged in the shell, a first guide hole is arranged on the guide frame, the SD card is slidably arranged in the first guide hole, a through hole is arranged at the tail part of the SD card, the thermosensitive bimetallic strip penetrating through the through hole is arranged on the heating body, the heating body and the second conductor are communicated through the first conductor controlled by the lock sleeves to rotate and are connected in series with the USB interface, axial alignment marks are arranged on the outer wall of the shell, the outer ring of the lock sleeve is provided with a plurality of unlocking codes. The data storage disk can effectively prevent data from being stolen.
Description
Technical Field
The invention belongs to the technical field of data storage, and particularly relates to a self-heating anti-theft data storage disk.
Background
The mobile memory is a device for storing file data, and a mobile hard disk, a U disk and the like are commonly used. The existing data storage disk is generally connected with a computer through a USB interface, other protection mechanisms are not generally arranged, and the existing data storage disk can be inserted into the USB interface to read data after a shell sleeve is pulled down, so that the data are unsafe.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the self-heating anti-theft data storage disk, the data storage disk is provided with the encryption structure, the data can be normally read only on the premise that the unlocking code is correctly aligned, and the data is effectively prevented from being stolen.
In order to solve the technical problem, the invention is solved by the following technical scheme: a self-heating anti-theft data storage disc comprises a shell, a card reader and an SD card, wherein the card reader comprises a USB interface and an SD card slot, the USB interface extends out of one side of the shell, the data storage disc also comprises an anti-theft assembly, the anti-theft assembly comprises a plurality of lock sleeves, a heating body and a thermosensitive bimetallic strip, the lock sleeves are rotatably connected with the shell, a first conductor is arranged in each lock sleeve, a second conductor is oppositely arranged in the shell on two sides of each lock sleeve, a guide frame is arranged in the shell, a first guide hole is arranged on the guide frame, the SD card is arranged in the first guide hole in a sliding mode, a through hole is arranged at the tail part of the SD card, the bimetallic strip is arranged on the heating body, the thermosensitive bimetallic strip penetrates through the through hole, and the thermosensitive bimetallic strip deforms to insert or extract the SD card into or out of the SD card slot, the heating body and the second conductor are communicated through the first conductor which is controlled to rotate by the lock sleeve and are connected in series to be connected with the USB interface, axial alignment marks are arranged on the outer wall of the shell, a plurality of unlocking codes are arranged on the outer ring of the lock sleeve, and when the correct unlocking codes are aligned with the alignment marks, the first conductor and the second conductor are aligned to conduct a circuit. According to the self-heating anti-theft data storage disc, at normal temperature, the thermosensitive bimetallic strip is at a low-temperature position, the SD card is positioned outside the SD card slot at the moment, the USB interface cannot directly read data, the heating body can be communicated with the circuits of the first conductor and the second conductor only when the correct unlocking code is aligned with the alignment mark, the heating body heats the thermosensitive bimetallic strip and heats the thermosensitive bimetallic strip, the SD card is inserted into the SD card slot through deformation, and the data cannot be directly read from the USB interface under the condition that the correct unlocking code is not known, so that the data can be effectively prevented from being stolen.
In the above technical scheme, preferably, the lock sleeve includes an outer lock sleeve and an inner lock sleeve, the outer lock sleeve is arranged on the outer side of the inner lock sleeve and is rotatably connected with the shell, a second guide hole is formed in the outer wall of the inner lock sleeve, a spring and a magnetic limiting part are arranged in the second guide hole, a plurality of unlocking codes are uniformly arranged on the outer ring of the outer lock sleeve, a limiting groove which is uniformly distributed and has the same number as the unlocking codes is formed in the inner ring of the outer lock sleeve, the spring pushes the magnetic limiting part to be inserted into the limiting groove, an electromagnet is arranged in the shell and is electrically connected with the USB interface, and when only the correct unlocking code is aligned with the alignment mark on the shell, and when the USB interface is powered on, the electromagnet is aligned with the magnetic limiting part and sucks out the magnetic limiting groove. When the correct unlocking code is aligned with the alignment mark on the shell by adopting the structure, and the USB interface is electrified, the electromagnet can be aligned with the magnetic limiting piece and suck the magnetic limiting piece out of the limiting groove, the outer lock sleeve can be freely rotated at the moment, after the outer lock sleeve rotates to the unlocking code to be modified and is aligned with the alignment mark, the USB interface is powered off, and the spring pushes the magnetic limiting piece to be inserted into the limiting groove again, so that the modification of the unlocking code can be completed.
In the above technical scheme, preferably, ten unlocking codes are uniformly distributed on the outer ring of the lock sleeve.
In the above technical solution, preferably, the contact surfaces of the first conductor and the second conductor are both provided with an elastic contact. By adopting the structure, normal contact conduction can be ensured under the condition that the first electric conductor and the second electric conductor are aligned.
Compared with the prior art, the invention has the following beneficial effects: according to the self-heating anti-theft data storage disc, at normal temperature, the thermosensitive bimetallic strip is at a low-temperature position, the SD card is positioned outside the SD card slot at the moment, the USB interface cannot directly read data, the heating body can be communicated with the circuits of the first conductor and the second conductor only when the correct unlocking code is aligned with the alignment mark, the heating body heats the thermosensitive bimetallic strip and heats the thermosensitive bimetallic strip, the SD card is inserted into the SD card slot through deformation, and the data cannot be directly read from the USB interface under the condition that the correct unlocking code is not known, so that the data can be effectively prevented from being stolen.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structural view of an unlocked state according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional structural diagram of an unlocked state according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a lock sleeve in an embodiment of the invention.
Fig. 5 is a schematic structural view of another direction of the lock sleeve in the embodiment of the invention.
Fig. 6 is a schematic cross-sectional structure view of a lock sleeve in an embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 6, a self-heating anti-theft data storage disc comprises a shell 1, a card reader 2 and an SD card 3, wherein the card reader 2 comprises a USB interface 21 and an SD card slot 22, the USB interface 21 extends from one side of the shell 1, the data storage disc further comprises an anti-theft component 4, the anti-theft component 4 comprises three lock sleeves 41, a heating element 42 and a thermal sensitive bimetallic strip 43, the lock sleeves 41 are rotatably connected with the shell 1, each lock sleeve 41 is internally provided with a first electric conductor a, the shell 1 at two sides of the lock sleeve 41 is internally and oppositely provided with a second electric conductor b, the shell 1 is internally provided with a guide frame 11, the guide frame 11 is provided with a first guide hole 12, the SD card 3 is slidably arranged in the first guide hole 12, the tail of the SD card 3 is provided with a through hole 31, the heating element 42 is provided with the thermal sensitive bimetallic strip 43, the thermal sensitive bimetallic strip 43 passes through the through hole 31, the thermal sensitive bimetallic strip 43 deforms to insert or pull the SD card 3 into or out of the SD card slot 22, the heating element 42 and the second conductor b are connected in series to the USB interface 21 by the first conductor a whose rotation is controlled by the lock sleeve 41, the outer wall of the casing 1 is provided with an axial alignment mark 5, the outer ring of the lock sleeve 41 is provided with ten unlocking codes 413 which are uniformly distributed, and when the correct unlocking code 413 is aligned with the alignment mark 5, the first conductor a and the second conductor b are aligned to conduct a circuit. At normal temperature, the heat-sensitive bimetallic strip 4 is at a low temperature position, the SD card 3 is located outside the SD card slot 22, the USB interface 21 cannot directly read data, the heating element 42 can be connected to the circuits of the first conductor a and the second conductor b only when the correct unlocking code 413 is aligned with the alignment mark 5, the heating element 42 heats the heat-sensitive bimetallic strip 43, and the SD card 3 is inserted into the SD card slot 22 by deformation, so that the data cannot be directly read from the USB interface 21 without knowing the correct unlocking code 413, and thus, the data can be effectively prevented from being stolen. Of course, to increase security, a greater number of sleeves 41 may be added.
The lock sleeve 41 comprises an outer lock sleeve 411 and an inner lock sleeve 412, the outer lock sleeve 411 is arranged on the outer side of the inner lock sleeve 412 and is rotatably connected with the shell 1, a second guide hole 414 is formed in the outer wall of the inner lock sleeve 412, a spring 415 and a magnetic limiting piece 416 are arranged in the second guide hole 414, ten unlocking codes 413 are uniformly arranged on the outer ring of the outer lock sleeve 411, limiting grooves 417 which are the same in number and are uniformly distributed with the unlocking codes 413 are arranged on the inner ring of the outer lock sleeve 411, the spring 415 pushes the magnetic limiting piece 416 to be inserted into the limiting grooves 417, an electromagnet 6 is arranged in the shell 1 and is electrically connected with the USB interface 21, and when the correct unlocking code 413 is aligned with the alignment mark 5 on the shell 1 and the USB interface 21 is electrified, the electromagnet 6 is aligned with the magnetic limiting piece 416 and sucks the correct unlocking code out of the limiting grooves 417. By adopting the structure, when the correct unlocking code 413 is aligned with the alignment mark 5 on the shell 1, and the USB interface 21 is powered on, the electromagnet 6 is aligned with the magnetic limiting piece 416 and sucks the magnetic limiting piece out of the limiting groove 417, at this time, the outer lock sleeve 411 can be freely rotated, after the outer lock sleeve 411 rotates to align the unlocking code 413 to be modified with the alignment mark 5, the USB interface 21 is powered off, and the spring 415 pushes the magnetic limiting piece 416 to be inserted into the limiting groove 417 again, so that the modification of the unlocking code 413 can be completed.
In order to ensure normal contact conduction under the condition that the first electric conductor a and the second electric conductor b are aligned, in the embodiment, the contact surfaces of the first electric conductor a and the second electric conductor b are both provided with elastic contact pieces c.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (4)
1. A self-heating anti-theft data storage disk comprises a shell (1), a card reader (2) and an SD card (3), wherein the card reader (2) comprises a USB interface (21) and an SD card slot (22), the USB interface (21) extends out of one side of the shell (1), and the self-heating anti-theft data storage disk is characterized in that: the data storage disc further comprises an anti-theft component (4), the anti-theft component (4) comprises a plurality of lock sleeves (41), heating bodies (42) and thermosensitive bimetallic strips (43), the lock sleeves (41) are rotatably connected with the shell (1), a first conductor (a) is arranged in each lock sleeve (41), second conductors (b) are oppositely arranged in the shell (1) on two sides of each lock sleeve (41), a guide frame (11) is arranged in the shell (1), a first guide hole (12) is arranged on each guide frame (11), the SD card (3) is arranged in each first guide hole (12) in a sliding mode, a through hole (31) is formed in the tail portion of the SD card (3), the thermosensitive bimetallic strips (43) are arranged on the heating bodies (42), and the thermosensitive bimetallic strips (43) penetrate through the through holes (31), the SD card (3) is inserted into or pulled out of the SD card slot (22) by the deformation of the heat-sensitive bimetallic strip (43), the heating element (42) and the second conductor (b) are connected in series to the USB interface (21) via the first conductor (a) whose rotation is controlled by the lock sleeve (41), the outer wall of the shell (1) is provided with axial alignment marks (5), the outer ring of the lock sleeve (41) is provided with a plurality of unlocking codes (413), when the correct unlocking codes (413) are aligned with the alignment marks (5), the first conductor (a) and the second conductor (b) are aligned to conduct a circuit, when the heating element (42) is electrically connected to the first conductor (a) and the second conductor (b), the heating body (42) heats the heat-sensitive bimetallic strip (43), and deforming to insert the SD card (3) into the SD card slot (22).
2. The self-heating anti-theft data storage disk of claim 1, wherein: the lock sleeve (41) comprises an outer lock sleeve (411) and an inner lock sleeve (412), the outer lock sleeve (411) is arranged on the outer side of the inner lock sleeve (412) and is rotatably connected with the shell (1), a second guide hole (414) is formed in the outer wall of the inner lock sleeve (412), a spring (415) and a magnetic limiting piece (416) are arranged in the second guide hole (414), a plurality of unlocking codes (413) are uniformly arranged on the outer ring of the outer lock sleeve (411), limiting grooves (417) which are the same as the unlocking codes (413) in number and are uniformly distributed are arranged on the inner ring of the outer lock sleeve (411), the spring (415) pushes the magnetic limiting piece (416) to be inserted into the limiting groove (417), an electromagnet (6) is arranged in the shell (1), the electromagnet is electrically connected with the USB interface (21), and when the correct unlocking code (413) is aligned with the alignment mark (5) on the shell (1), and when the USB interface (21) is electrified, the electromagnet (6) is aligned with the magnetic limiting piece (416) and is sucked out of the limiting groove (417).
3. A self-heating anti-theft data storage disk according to claim 1 or 2, characterized in that: the outer ring of the lock sleeve (41) is uniformly provided with ten unlocking codes (413).
4. The self-heating anti-theft data storage disk of claim 1, wherein: and elastic contact pieces (c) are arranged on the contact surfaces of the first conductor (a) and the second conductor (b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010781460.8A CN111950676B (en) | 2020-08-06 | 2020-08-06 | Self-heating anti-theft data storage disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010781460.8A CN111950676B (en) | 2020-08-06 | 2020-08-06 | Self-heating anti-theft data storage disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111950676A CN111950676A (en) | 2020-11-17 |
| CN111950676B true CN111950676B (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010781460.8A Active CN111950676B (en) | 2020-08-06 | 2020-08-06 | Self-heating anti-theft data storage disc |
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| Country | Link |
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| CN (1) | CN111950676B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202873224U (en) * | 2012-10-14 | 2013-04-10 | 罗遇峰 | USB flash disc with lock |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM332250U (en) * | 2007-11-08 | 2008-05-11 | Phison Electronics Corp | Advanced and additional interface switching structure for series hard disk |
| CN101908364A (en) * | 2009-06-04 | 2010-12-08 | 威刚科技（苏州）有限公司 | Electronic storage device |
| CN102107206A (en) * | 2010-12-20 | 2011-06-29 | 朱海生 | Destruction equipment for hard disk, compact disk and semiconductor memory bank |
| CN202838974U (en) * | 2012-08-13 | 2013-03-27 | 中国地震局地壳应力研究所 | Storage device with isolation encryption |
| CN104485124A (en) * | 2014-11-17 | 2015-04-01 | 四川智诚天逸科技有限公司 | Anti-theft mobile hard disk |
-
2020
- 2020-08-06 CN CN202010781460.8A patent/CN111950676B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202873224U (en) * | 2012-10-14 | 2013-04-10 | 罗遇峰 | USB flash disc with lock |
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| Publication number | Publication date |
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| CN111950676A (en) | 2020-11-17 |
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Effective date of registration: 20220609 Address after: 312300 No. 77, Fuxing West Road, phase 1, Shangyu Industry Education Integration Innovation Park, waiwujia village, Wuxing West Road, Cao'e street, Shangyu District, Shaoxing City, Zhejiang Province (residence declaration) Patentee after: SHANGYU SCIENCE AND ENGINEERING RESEARCH INSTITUTE CO., LTD. OF HANGZHOU DIANZI University Patentee after: Hangzhou University of Electronic Science and technology Address before: Room 810, A2 / F, Zhejiang University network new science and Technology Park, 2288 Jiangxi Road, Cao'e street, Shangyu District, Shaoxing City, Zhejiang Province, 312300 Patentee before: Shaoxing Yichuan Information Technology Co.,Ltd. |
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