CN208834305U - A kind of cabinet convenient for protecting computer information safe - Google Patents
A kind of cabinet convenient for protecting computer information safe Download PDFInfo
- Publication number
- CN208834305U CN208834305U CN201821520365.7U CN201821520365U CN208834305U CN 208834305 U CN208834305 U CN 208834305U CN 201821520365 U CN201821520365 U CN 201821520365U CN 208834305 U CN208834305 U CN 208834305U
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- CN
- China
- Prior art keywords
- case body
- machine case
- fixedly connected
- protection box
- lifting
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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.)
- Expired - Fee Related
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Abstract
The utility model relates to computer hardware fields; more particularly to a kind of cabinet convenient for protecting computer information safe; including machine case body, side cover plate, USB jack protection box and movable radiator; the left end of the machine case body leading flank is equipped with air inlet duct; front end on the inside of air inlet duct is fixedly connected with nylon dust-proof net, and the rear end on the inside of air inlet duct is fixedly connected with supply fan；The right end of the machine case body leading flank is equipped with upper and lower multiple usb data sockets；The right end of the machine case body leading flank is equipped with longitudinal chute, and longitudinal chute is located at the right end of multiple usb data sockets；The right side hollow out of the machine case body, the right end of machine case body are connected by screw to side cover plate；The inside of the utility model is equipped with the USB jack protection box for mispluging other people, and multiple USB jacks on USB jack protection box are false socket, for confusing other people, prevents the information leakage of computer-internal.
Description
Technical field
The utility model relates to computer hardware fields, more particularly to a kind of machine convenient for protecting computer information safe
Case.
Background technique
Computer is a kind of modern electronic computer device for supercomputing, can not only carry out numerical value calculating, but also can be with
Logic calculation is carried out, simultaneous computer also has the function of store-memory, and computer is mainly by by hardware system and software systems group
At computer brings great convenience to people's lives, also in the subtle people's lives that change, but calculates
Us is needed to go for the information security of machine note that the USB jack on existing computer cabinet is all directly exposed in computer machine
The outside of case, anyone can be downloaded the information on computer by USB jack, so that the information security of computer
It not can guarantee；And the heat dissipation effect of cabinet in the prior art is poor, is not easy to each components of protection cabinet inside.
Utility model content
The purpose of the utility model is to provide a kind of cabinets convenient for protecting computer information safe, are internally provided with and are used for
The USB jack protection box for mispluging other people, multiple USB jacks on USB jack protection box are false socket, for confusing other people,
Prevent the information leakage of computer-internal；And multiple usb data sockets of machine case body leading flank are real data jack, are used
It is transmitted in data；The inside of the utility model is equipped with the movable radiator that can be moved, convenient for improving in machine case body
The expulsion efficiency of portion's heat.
The purpose of this utility model is achieved through the following technical solutions:
It is a kind of convenient for protect computer information safe cabinet, including machine case body, side cover plate, USB jack protection box and
Movable radiator, the left end of the machine case body leading flank are equipped with air inlet duct, and the front end on the inside of air inlet duct is fixedly connected with nylon
Dust-proof net, the rear end on the inside of air inlet duct are fixedly connected with supply fan；The right end of the machine case body leading flank is equipped with multiple up and down
Usb data socket；The right end of the machine case body leading flank is equipped with longitudinal chute, and longitudinal chute is located at multiple usb data sockets
Right end；The right side hollow out of the machine case body, the right end of machine case body are connected by screw to side cover plate；The machine case body
The middle-end of top surface is equipped with upper radiating groove, is fixedly connected with heat sink on the inside of upper radiating groove；The machine case body trailing flank it is upper
End is equipped with rear radiating groove, is fixedly connected with rear heat sink on the inside of rear radiating groove；The movable radiator is fixedly connected on cabinet
The upper end of ontology inner left wall；The USB jack protection box include lifting protection box, upper and lower multiple USB jacks, lifting slider,
Go up and down yoke plate, external thread rod and rotating disc；The trailing flank of the lifting protection box and bottom surface hollow out；The lifting protection box sliding
It is cooperatively connected in the front end of multiple usb data sockets, the trailing flank for going up and down protection box is bonded with the leading flank of machine case body；It is described
Lower end on rear side of lifting protection box is fixedly connected with lifting slider, and lifting slider is slidably connected in the inside of longitudinal chute；Institute
The rear end for stating lifting slider is fixedly connected with lifting yoke plate, and lifting yoke plate is threadedly attached in the middle-end of external thread rod, external screw thread
The upper and lower ends of bar pass through rolling bearing units respectively and are rotatably connected on the top and bottom of machine case body；The top of the external thread rod
End is fixedly connected with rotating disc；Multiple USB jacks up and down are fixedly connected on the leading flank of the lifting protection box.
The movable radiator include micro servo motor, rotating arm, transmission arm, sliding axle, sliding shoe, runner frame,
Horizontal supporting plate and multiple scavenger fans；The micro servo motor is fixedly connected on the upper of machine case body inner left wall by motor cabinet
End, runner frame are fixedly connected on the upper end of machine case body inner left wall, and runner frame is located at the front end of micro servo motor；It is described micro-
One end of rotating arm is fixedly connected on the motor shaft of type servo motor, the other end of rotating arm is articulated and connected by articulated shaft to link
The other end of one end of arm, transmission arm is rotatably connected on sliding axle by rolling bearing units, and the rear end of sliding axle is fixedly connected with cunning
Motion block, sliding shoe are slidably connected in the horizontal concrete chute of runner frame, and the front end of sliding axle is fixedly connected with horizontal supporting plate, horizontal supporting plate
Front end be uniformly fixedly connected with multiple scavenger fans.
The top and bottom of the sliding shoe are bonded with the top and bottom on the inside of runner frame horizontal concrete chute respectively.
The rotating disc is located at the upper end of machine case body.
The upper heat sink and rear heat sink are all the aluminium alloy heat sink equipped with thermal vias.
The utility model has the beneficial effects that a kind of cabinet convenient for protecting computer information safe, is internally provided with and is used for
The USB jack protection box for mispluging other people, multiple USB jacks on USB jack protection box are false socket, for confusing other people,
Prevent the information leakage of computer-internal；And multiple usb data sockets of machine case body leading flank are real data jack, are used
It is transmitted in data；The inside of the utility model is equipped with the movable radiator that can be moved, movable radiator front and back
During movement, upper suction work can be carried out to the hot gas of machine case body inside different location, so that hot gas is dissipated by upper
The efficiency of hot plate discharge is got higher, and convenient for improving the expulsion efficiency of machine case body internal heat, extends machine case body inner components
Service life, prevent the hard disk inside machine case body to be damaged and internal information is caused to be damaged.
Detailed description of the invention
Fig. 1 is the overall structure diagram one of the utility model；
Fig. 2 is the overall structure diagram two of the utility model；
Fig. 3 is the partial structural diagram of the utility model；
Fig. 4 is the structural schematic diagram one of the utility model internal chassis ontology；
Fig. 5 is the structural schematic diagram two of the utility model internal chassis ontology；
Fig. 6 is the structural schematic diagram of USB jack protection box inside the utility model；
Fig. 7 is the structural schematic diagram of the utility model internal activity radiator.
In figure: machine case body 1；Nylon dust-proof net 1-1；Supply fan 1-2；Usb data socket 1-3；Longitudinal chute 1-4；
Upper heat sink 1-5；Heat sink 1-6 afterwards；Side cover plate 2；USB jack protection box 3；Go up and down protection box 3-1；USB jack 3-2；Lifting
Sliding block 3-3；Go up and down yoke plate 3-4；External thread rod 3-5；Rotating disc 3-6；Movable radiator 4；Micro servo motor 4-1；Rotation
Arm 4-2；Transmission arm 4-3；Sliding axle 4-4；Sliding shoe 4-5；Runner frame 4-6；Horizontal supporting plate 4-7；Scavenger fan 4-8.
Specific embodiment
1-7 is described in further detail the utility model with reference to the accompanying drawing.
Specific embodiment 1:
As shown in figs. 1-7, it is a kind of convenient for protect computer information safe cabinet, including machine case body 1, side cover plate 2,
USB jack protection box 3 and movable radiator 4, the left end of 1 leading flank of machine case body are equipped with air inlet duct, air inlet duct inside
Front end be fixedly connected with nylon dust-proof net 1-1, the rear end on the inside of air inlet duct is fixedly connected with supply fan 1-2；The machine case body 1
The right end of leading flank is equipped with upper and lower multiple usb data socket 1-3；The right end of 1 leading flank of machine case body is equipped with longitudinal chute
1-4, longitudinal chute 1-4 are located at the right end of multiple usb data socket 1-3；The right side hollow out of the machine case body 1, cabinet sheet
The right end of body 1 is connected by screw to side cover plate 2；The middle-end of 1 top surface of machine case body be equipped with upper radiating groove, upper radiating groove it is interior
Side is fixedly connected with heat sink 1-5；The upper end of 1 trailing flank of machine case body is equipped with rear radiating groove, and the inside of rear radiating groove is solid
Heat sink 1-6 after fixed connection；A kind of cabinet convenient for protecting computer information safe of the utility model, when in use, USB is inserted
Mouth protection box 3 is for mispluging other people, and multiple USB jack 3-2 on USB jack protection box 3 are false socket, for confusing him
People, multiple USB jack 3-2 on USB jack protection box 3 are not connected to the components such as the hard disk inside machine case body 1, other people will
USB memory device can not export the information of computer-internal when being inserted into USB jack 3-2, prevent the information of computer-internal from letting out
Dew；And multiple usb data socket 1-3 of 1 leading flank of machine case body are real data jack, usb data socket 1-3 is connected to machine
The components such as the hard disk inside case ontology 1 are transmitted for data；The inside of the utility model is equipped with the activity that can be moved
Radiator 4 can be to the hot gas of 1 inside different location of machine case body during 4 front-rear direction of movable radiator moves
Suction work is carried out, so that hot gas is got higher by the efficiency that upper heat sink 1-5 is discharged, convenient for improving 1 internal heat of machine case body
Expulsion efficiency, extend 1 inner components of machine case body service life, prevent the hard disk inside machine case body 1 to be damaged
And internal information is caused to be damaged.
The movable radiator 4 is fixedly connected on the upper end of 1 inner left wall of machine case body；The USB jack protection box 3
Including lifting protection box 3-1, upper and lower multiple USB jack 3-2, lifting slider 3-3, lifting yoke plate 3-4, external thread rod 3-5 and turn
Moving plate 3-6；The trailing flank of the lifting protection box 3-1 and bottom surface hollow out；The lifting protection box 3-1 sliding connection is more
The trailing flank of the front end of a usb data socket 1-3, lifting protection box 3-1 is bonded with the leading flank of machine case body 1；The lifting
Lower end on rear side of protection box 3-1 is fixedly connected with lifting slider 3-3, and lifting slider 3-3 is slidably connected longitudinal chute 1-4's
Inside；The rear end of the lifting slider 3-3 is fixedly connected with lifting yoke plate 3-4, and lifting yoke plate 3-4 is threadedly attached in external screw thread
The middle-end of bar 3-5, the upper and lower ends of external thread rod 3-5 pass through respectively rolling bearing units be rotatably connected on machine case body 1 top surface and
On bottom surface；The top of the external thread rod 3-5 is fixedly connected with rotating disc 3-6；It is fixed on the leading flank of the lifting protection box 3-1
Connect multiple USB jack 3-2 up and down.The USB jack protection box 3 when in use, is kept off when going up and down protection box 3-1 in multiple USB
When the front end of data jack 1-3, other people then can not carry out data theft by usb data socket 1-3；When user needs to lead to
It, can be by rotating rotating disc 3-6, so that rotating disc 3-6 drives external screw thread when crossing usb data socket 1-3 and carrying out data transmission
Bar 3-5 is rotated around its own axis, and external thread rod 3-5 can drive lifting yoke plate 3-4 to carry out elevating movement when rotating, and is risen
Lifting slider 3-3 can be driven to slide up and down on the inside of longitudinal chute 1-4 when dropping yoke plate 3-4 elevating movement, thus logical
Crossing lifting slider 3-3 drives lifting protection box 3-1 to slide up and down, more when going up and down protection box 3-1 upward sliding to top
A usb data socket 1-3 all exposes, and user can be carried out data transmission by usb data socket 1-3 at this time.
Specific embodiment 2:
As shown in figs. 1-7, the movable radiator 4 include micro servo motor 4-1, rotating arm 4-2, transmission arm 4-3,
Sliding axle 4-4, sliding shoe 4-5, runner frame 4-6, horizontal supporting plate 4-7 and multiple scavenger fan 4-8；The micro servo motor 4-1
The upper end of 1 inner left wall of machine case body is fixedly connected on by motor cabinet, runner frame 4-6 is fixedly connected on 1 left side of machine case body
The upper end of inner wall, runner frame 4-6 are located at the front end of micro servo motor 4-1；It is solid on the motor shaft of the micro servo motor 4-1
Surely one end of rotating arm 4-2, the one end of the other end of rotating arm 4-2 by articulated shaft articulated connection transmission arm 4-3, linkage are connected
The other end of arm 4-3 is rotatably connected on sliding axle 4-4 by rolling bearing units, and the rear end of sliding axle 4-4 is fixedly connected with sliding shoe
4-5, sliding shoe 4-5 are slidably connected in the horizontal concrete chute of runner frame 4-6, and the front end of sliding axle 4-4 is fixedly connected with horizontal support
Plate 4-7, the front end of horizontal supporting plate 4-7 are uniformly fixedly connected with multiple scavenger fan 4-8.The movable radiator 4 is when in use, micro-
After type servo motor 4-1 is connected to power supply and is opened by control switch, the motor shaft of micro servo motor 4-1 can drive rotation
Arm 4-2 pivots about movement with the motor shaft of micro servo motor 4-1, and when rotating arm 4-2 rotary motion can drive
Transmission arm 4-3 is moved, its front end can drive sliding axle 4-4 to be moved in the front-back direction when transmission arm 4-3 is moved, sliding
Moving axis 4-4 drives sliding shoe 4-5 to be slid back and forth on the inside of runner frame 4-6, and runner frame 4-6 plays the work of guide and limit
With sliding axle 4-4 drives horizontal supporting plate 4-7 to be moved in the front-back direction, and horizontal supporting plate 4-7 can drive multiple scavenger fan 4-8
It is moved forward and backward, so that position multiple scavenger fan 4-8 different in 1 inside of machine case body is moved, so that position
Rise in the hot gas of 1 interior lower end of machine case body, and is discharged by upper heat sink 1-5.
The top and bottom of the sliding shoe 4-5 are bonded with the top and bottom on the inside of runner frame 4-6 horizontal concrete chute respectively.
The rotating disc 3-6 is located at the upper end of machine case body 1.
The upper heat sink 1-5 and rear heat sink 1-6 is all the aluminium alloy heat sink equipped with thermal vias, thermal diffusivity compared with
It is good, and certain dust-proof effect can be played.
A kind of cabinet convenient for protecting computer information safe of the utility model, its working principle is that: when in use,
USB jack protection box 3 is for mispluging other people, and multiple USB jack 3-2 on USB jack protection box 3 are false socket, for being confused
It is puzzled other people, multiple USB jack 3-2 on USB jack protection box 3 are not connected to the components such as the hard disk inside machine case body 1, other people
The information that computer-internal can not be exported when USB memory device is inserted into USB jack 3-2, prevents the information of computer-internal
Leakage；And multiple usb data socket 1-3 of 1 leading flank of machine case body are real data jack, usb data socket 1-3 connection
The components such as the hard disk inside machine case body 1 are transmitted for data；The inside of the utility model is equipped with the work that can be moved
Dynamic radiator 4 can be to the warm of 1 inside different location of machine case body during 4 front-rear direction of movable radiator moves
Gas carries out suction work, so that hot gas is got higher by the efficiency that upper heat sink 1-5 is discharged, convenient for improving 1 inside heat of machine case body
The expulsion efficiency of amount extends the service life of 1 inner components of machine case body, prevents the hard disk inside machine case body 1 from being damaged
Hurt and internal information is caused to be damaged.
The movable radiator 4 is fixedly connected on the upper end of 1 inner left wall of machine case body；The USB jack protection box 3
Including lifting protection box 3-1, upper and lower multiple USB jack 3-2, lifting slider 3-3, lifting yoke plate 3-4, external thread rod 3-5 and turn
Moving plate 3-6；The trailing flank of the lifting protection box 3-1 and bottom surface hollow out；The lifting protection box 3-1 sliding connection is more
The trailing flank of the front end of a usb data socket 1-3, lifting protection box 3-1 is bonded with the leading flank of machine case body 1；The lifting
Lower end on rear side of protection box 3-1 is fixedly connected with lifting slider 3-3, and lifting slider 3-3 is slidably connected longitudinal chute 1-4's
Inside；The rear end of the lifting slider 3-3 is fixedly connected with lifting yoke plate 3-4, and lifting yoke plate 3-4 is threadedly attached in external screw thread
The middle-end of bar 3-5, the upper and lower ends of external thread rod 3-5 pass through respectively rolling bearing units be rotatably connected on machine case body 1 top surface and
On bottom surface；The top of the external thread rod 3-5 is fixedly connected with rotating disc 3-6；It is fixed on the leading flank of the lifting protection box 3-1
Connect multiple USB jack 3-2 up and down.The USB jack protection box 3 when in use, is kept off when going up and down protection box 3-1 in multiple USB
When the front end of data jack 1-3, other people then can not carry out data theft by usb data socket 1-3；When user needs to lead to
It, can be by rotating rotating disc 3-6, so that rotating disc 3-6 drives external screw thread when crossing usb data socket 1-3 and carrying out data transmission
Bar 3-5 is rotated around its own axis, and external thread rod 3-5 can drive lifting yoke plate 3-4 to carry out elevating movement when rotating, and is risen
Lifting slider 3-3 can be driven to slide up and down on the inside of longitudinal chute 1-4 when dropping yoke plate 3-4 elevating movement, thus logical
Crossing lifting slider 3-3 drives lifting protection box 3-1 to slide up and down, more when going up and down protection box 3-1 upward sliding to top
A usb data socket 1-3 all exposes, and user can be carried out data transmission by usb data socket 1-3 at this time.
Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, also belong to
In the protection scope of the utility model.
Claims (5)
1. a kind of cabinet convenient for protecting computer information safe, including the protection of machine case body (1), side cover plate (2), USB jack
Box (3) and movable radiator (4), it is characterised in that: the left end of machine case body (1) leading flank is equipped with air inlet duct, air inlet
Front end on the inside of slot is fixedly connected nylon dust-proof net (1-1), and the rear end on the inside of air inlet duct is fixedly connected with supply fan (1-2)；Institute
The right end for stating machine case body (1) leading flank is equipped with upper and lower multiple usb data sockets (1-3)；Machine case body (1) leading flank
Right end is equipped with longitudinal chute (1-4), and longitudinal chute (1-4) is located at the right end of multiple usb data sockets (1-3)；The cabinet sheet
The right side hollow out of body (1), the right end of machine case body (1) are connected by screw to side cover plate (2)；Machine case body (1) top surface
Middle-end be equipped with upper radiating groove, be fixedly connected with heat sink (1-5) on the inside of upper radiating groove；Machine case body (1) trailing flank
Upper end be equipped with rear radiating groove, be fixedly connected with rear heat sink (1-6) on the inside of rear radiating groove；The movable radiator (4) is solid
Surely it is connected to the upper end of machine case body (1) inner left wall；The USB jack protection box (3) include lifting protection box (3-1), on
Under multiple USB jacks (3-2), lifting slider (3-3), lifting yoke plate (3-4), external thread rod (3-5) and rotating disc (3-6)；Institute
State trailing flank and the bottom surface hollow out of lifting protection box (3-1)；Lifting protection box (3-1) sliding connection is in multiple USB
The trailing flank of the front end of data jack (1-3), lifting protection box (3-1) is bonded with the leading flank of machine case body (1)；The lifting
Lower end on rear side of protection box (3-1) is fixedly connected lifting slider (3-3), and lifting slider (3-3) is slidably connected in longitudinal cunning
The inside of slot (1-4)；The rear end of the lifting slider (3-3) is fixedly connected with lifting yoke plate (3-4), and lifting yoke plate (3-4) passes through
It is threaded in the middle-end of external thread rod (3-5), the upper and lower ends of external thread rod (3-5) are rotatablely connected by rolling bearing units respectively
On the top and bottom of machine case body (1)；The top of the external thread rod (3-5) is fixedly connected with rotating disc (3-6)；The liter
It drops and is fixedly connected with multiple USB jacks (3-2) up and down on the leading flank of protection box (3-1).
2. a kind of cabinet convenient for protecting computer information safe according to claim 1, it is characterised in that: the activity
Radiator (4) includes micro servo motor (4-1), rotating arm (4-2), transmission arm (4-3), sliding axle (4-4), sliding shoe
(4-5), runner frame (4-6), horizontal supporting plate (4-7) and multiple scavenger fans (4-8)；The micro servo motor (4-1) passes through electricity
Base is fixedly connected on the upper end of machine case body (1) inner left wall, and runner frame (4-6) is fixedly connected on the left of machine case body (1)
The upper end of inner wall, runner frame (4-6) are located at the front end of micro servo motor (4-1)；The motor of the micro servo motor (4-1)
One end of rotating arm (4-2) is fixedly connected on axis, the other end of rotating arm (4-2) passes through articulated shaft articulated connection transmission arm (4-
3) other end of one end, transmission arm (4-3) is rotatably connected on sliding axle (4-4) by rolling bearing units, sliding axle (4-4)
Rear end is fixedly connected sliding shoe (4-5), and sliding shoe (4-5) is slidably connected in the horizontal concrete chute of runner frame (4-6), sliding
The front end of axis (4-4) is fixedly connected horizontal supporting plate (4-7), and the front end of horizontal supporting plate (4-7) is uniformly fixedly connected with multiple scavenger fan (4-
8).
3. a kind of cabinet convenient for protecting computer information safe according to claim 2, it is characterised in that: the sliding
The top and bottom of block (4-5) are bonded with the top and bottom on the inside of runner frame (4-6) horizontal concrete chute respectively.
4. a kind of cabinet convenient for protecting computer information safe according to claim 1, it is characterised in that: the rotation
Disk (3-6) is located at the upper end of machine case body (1).
5. a kind of cabinet convenient for protecting computer information safe according to claim 1, it is characterised in that: described scattered
Hot plate (1-5) and rear heat sink (1-6) are all the aluminium alloy heat sink equipped with thermal vias.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821520365.7U CN208834305U (en) | 2018-09-18 | 2018-09-18 | A kind of cabinet convenient for protecting computer information safe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821520365.7U CN208834305U (en) | 2018-09-18 | 2018-09-18 | A kind of cabinet convenient for protecting computer information safe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208834305U true CN208834305U (en) | 2019-05-07 |
Family
ID=66313540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821520365.7U Expired - Fee Related CN208834305U (en) | 2018-09-18 | 2018-09-18 | A kind of cabinet convenient for protecting computer information safe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208834305U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110494000A (en) * | 2019-09-30 | 2019-11-22 | 郑州铁路职业技术学院 | A kind of safe-guard system of finance big data server storage |
| CN112668064A (en) * | 2020-12-24 | 2021-04-16 | 浙江旅游职业学院 | Computer accounting data anti-theft device and control method thereof |
-
2018
- 2018-09-18 CN CN201821520365.7U patent/CN208834305U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110494000A (en) * | 2019-09-30 | 2019-11-22 | 郑州铁路职业技术学院 | A kind of safe-guard system of finance big data server storage |
| CN110494000B (en) * | 2019-09-30 | 2020-09-01 | 郑州铁路职业技术学院 | Safety guarantee system that big data server of finance stores |
| CN112668064A (en) * | 2020-12-24 | 2021-04-16 | 浙江旅游职业学院 | Computer accounting data anti-theft device and control method thereof |
| CN112668064B (en) * | 2020-12-24 | 2023-09-22 | 浙江旅游职业学院 | Computer counter anti-theft device and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20190918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |