CN110399752B - Computer network security control device for teaching - Google Patents
Computer network security control device for teaching Download PDFInfo
- Publication number
- CN110399752B CN110399752B CN201910732175.4A CN201910732175A CN110399752B CN 110399752 B CN110399752 B CN 110399752B CN 201910732175 A CN201910732175 A CN 201910732175A CN 110399752 B CN110399752 B CN 110399752B
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- 230000003028 elevating effect Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 71
- 230000001681 protective effect Effects 0.000 claims description 26
- 230000000694 effects Effects 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 238000005191 phase separation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/85—Protecting input, output or interconnection devices interconnection devices, e.g. bus-connected or in-line devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Computer Security & Cryptography (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Toys (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses a computer network security control device for teaching, and belongs to the field of computer network security control devices for teaching. The utility model provides a computer network safety control device is used in teaching, be provided with drive mechanism when using, it rotates to drive the demonstration slewing mechanism through drive mechanism, thereby can drive the display screen and rotate suitable angle and use, and still be provided with control mechanism, it removes connector and removal spread groove phase-match to drive through control mechanism, thereby make the device can use the network, when receiving the network danger, can directly start control mechanism and drive removal connector and removal spread groove phase separation, thereby make the computer break off network connection, protect the network safety of computer, the device still sets up microphone elevating system, it operates to drive microphone elevating system through control mechanism, can change the height of microphone, make things convenient for the practitioner to use the device, the device is simple to use, and the device is suitable for teaching and uses.
Description
Technical Field
The invention relates to the field of computer network security control devices for teaching, in particular to a computer network security control device for teaching.
Background
The computer inserts flying wings for government management, scientific and technological research and development, military construction and enterprise development due to large information storage capacity and rapid information processing speed, a large number of company secrets including business secrets, technical secrets, decision management secrets and the like are stored in the computer, and the security of computer information is particularly important for companies, so that confidential units can take a lot of measures to prevent the risk of computer information theft, most of the measures for preventing thieves are to install monitoring equipment, alarm equipment and the like in the companies, the conventional measures for preventing information data theft by internal personnel in the companies are that the computer is not provided with an external transmission interface, but more and more information is stolen when people surf the internet, in order to protect the data security of the computer when the firewall surfs the internet, some clients adopt installation software, but the software firewall is installed on an application layer, when a program runs, a software firewall is started, the effect of protecting a computer is small, the computer is pseudo-protection, the computer is an open information storage and communication platform, internal information is extremely easy to be illegally copied through a USB, a floppy drive, a CD-ROM, a serial port, a parallel port, an infrared interface, a 1394 interface and a network, and particularly, the information of the whole local area network can be completely copied through a large-capacity movable hard disk.
The existing computer network safety control device for teaching cannot be started and disconnected quickly and cannot be adjusted.
Disclosure of Invention
The invention aims to solve the problems that the computer network safety control device for teaching cannot be started and disconnected quickly and cannot be adjusted.
In order to achieve the purpose, the invention adopts the following technical scheme:
a computer network safety control device for teaching comprises a supporting shell and a protective shell, wherein the upper end of the supporting shell is fixedly connected with the middle part of the lower surface of the protective shell,
the transmission mechanism is arranged in the protective shell and is connected with the display rotating mechanism and the control mechanism;
the display rotating mechanism is arranged inside the protective shell and is connected with the transmission mechanism;
the control mechanism is arranged in the protective shell and is connected with the microphone lifting mechanism;
and the microphone lifting mechanism is arranged inside the protective shell and is connected with the control mechanism.
Preferably, the transmission mechanism comprises: the left motor and the right motor are fixedly installed on the left side and the right side inside the protective shell, the middle parts of a main shaft of the left motor and a main shaft of the right motor are movably sleeved at the upper end of the supporting column, the front end of the main shaft of the left motor is fixedly connected with a left rotating gear shaft center, the left rotating gear is meshed and connected with the rear side of the left driving gear by the inner side, the front end of the main shaft of the right motor is fixedly connected with a shaft center of the right rotating gear, the right rotating gear is meshed and connected with the rear side of the right driving gear by the inner side, the shaft centers of the left driving gear and the right driving gear are movably connected with the left side and the right side of the front end of the I-shaped frame, the left end and the right end of the rear side of the I-shaped frame are fixedly connected with the inner side of the upper end of the supporting column, and the front sides of the, the right transmission gear is fixedly connected with the display control mechanism, and the limiting gear is connected with the control mechanism.
Preferably, the display control mechanism includes: spacing axle, display screen and rotation groove, protecting sheathing upper surface right side is provided with rotates the groove, it is provided with the display screen to rotate the inslot portion, display screen rear end and spacing axle fixed connection, spacing axle left end and right drive gear right side fixed connection.
Preferably, the control mechanism comprises: the protective casing comprises a rotating shaft, a supporting plate, a rotating cylinder, a rotating gear, a rotating wheel, a moving shaft, a moving connector, a moving connecting groove, a main machine, a moving block and a supporting rod, wherein the axis of a limiting gear is fixedly connected with the rear end of the rotating shaft, the rear side of the rotating shaft is movably sleeved in the upper end of the supporting rod, the middle part of the rotating shaft is movably sleeved in the middle part of the upper end of the supporting plate, the front side of the rotating shaft is sequentially and fixedly connected with the axis of the rotating cylinder and the rotating gear, the lower side of the rotating gear is meshed and connected with the upper side of the rotating wheel, the axis of the rotating wheel is movably connected with the moving shaft, the rear side of the moving shaft is movably connected with the axis of the moving block, the upper side of the moving block is in threaded connection with the rotating cylinder, the rear side, and a host is fixedly arranged in the support shell.
Preferably, the microphone lifting mechanism includes: transmission shaft, drive gear, rotation helical gear, transmission helical gear, lead screw, elevator, connecting rod and microphone, it is connected with the drive gear meshing to rotate the wheel downside, drive gear axle center and transmission shaft front side fixed connection, transmission shaft rear end activity cup joints inside the backup pad lower extreme, transmission shaft front end and transmission helical gear axle center fixed connection, transmission helical gear left side is connected with rotation helical gear meshing, rotation helical gear axle center and lead screw lower extreme fixed connection, the elevator has been cup jointed in the activity on the lead screw, elevator left side and connecting rod right-hand member fixed connection, connecting rod and microphone lower extreme right side fixed connection, lead screw upper end and protecting sheathing inner wall fixed connection.
Preferably, the microphone upper end activity cup joints inside the guard slot, guard housing left side below is provided with the guard slot.
Compared with the prior art, the invention provides a computer network safety control device for teaching, which has the following beneficial effects:
1. the mobile phone network connection device is compact in overall structure, is provided with a transmission mechanism when in use, drives the display rotation mechanism to rotate through the transmission mechanism, so that a display screen can be driven to rotate to a proper angle for use, is also provided with a control mechanism, drives the mobile connector to be matched with the mobile connection groove through the control mechanism, so that the device can use a network, and can directly start the control mechanism to drive the mobile connector to be separated from the mobile connection groove when a network danger is received, so that the computer is disconnected from the network connection, the network safety of the computer is protected, and the device is also provided with a microphone lifting mechanism.
2. The display screen is provided with the transmission mechanism and the display control mechanism, the left rotating gear and the right rotating gear are driven to rotate through synchronous and same-direction rotation of the left motor and the right motor, so that the left transmission gear and the right transmission gear are driven to rotate, the limiting shaft is driven to drive the display screen to rotate in the rotating groove, the rotation of the display screen can be effectively adjusted, the use of a user is facilitated, and when the right motor rotates in a different direction, the left rotating gear is driven to rotate, the left transmission gear is driven to rotate, the limiting gear is driven to rotate, and the control mechanism is driven to rotate.
3. When the microphone connecting device is used, the limiting gear drives the rotating shaft to rotate, so that the rotating cylinder and the rotating gear are driven to rotate, the rotating wheel is driven to rotate, meanwhile, the rotating cylinder drives the moving block to move forwards along the thread groove on the rotating cylinder, so that the moving shaft is driven to move forwards, the moving connector is driven to move forwards to be matched with the moving connecting groove, the rotating wheel drives the transmission gear to rotate, the transmission shaft is driven to rotate, the rotating bevel gear is driven to rotate, the transmission bevel gear is driven to rotate, the lead screw is driven to rotate, the lifting block is driven to move upwards, the connecting rod is driven to move upwards, the microphone is driven to move upwards, and the requirements of users are met.
Drawings
FIG. 1 is a schematic perspective view of a security control device of a computer network for teaching according to the present invention;
FIG. 2 is a schematic diagram of a split three-dimensional structure of a security control device of a computer network for teaching according to the present invention;
FIG. 3 is a schematic diagram of a split internal split structure of a security control device of a computer network for teaching according to the present invention;
FIG. 4 is a schematic diagram of a split internal structure of a security control device of a computer network for teaching according to the present invention;
FIG. 5 is a schematic diagram of a split internal structure of a security control device of a computer network for teaching according to the present invention;
fig. 6 is a schematic diagram of a split internal structure of a security control device of a computer network for teaching according to the present invention.
The reference numbers in the figures illustrate:
the device comprises a supporting shell 1, a protective shell 2, a left motor 3, a right motor 4, a left rotating gear 5, a right rotating gear 6, a left transmission gear 7, a right transmission gear 8, a tooling frame 9, a limit gear 10, a support column 11, a rotating shaft 12, a display screen 13, a rotating groove 14, a limit shaft 15, a support plate 16, a rotating cylinder 17, a rotating gear 18, a rotating wheel 19, a moving shaft 20, a moving connector 21, a moving connecting groove 22, a main machine 23, a moving block 24, a transmission shaft 25, a transmission gear 26, a transmission bevel gear 27, a rotating bevel gear 28, a screw rod 29, a lifting block 30, a connecting rod 31, a microphone 32, a support rod 33 and a protective groove 34.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
a computer network safety control device for teaching comprises a supporting shell 1 and a protective shell 2, wherein the upper end of the supporting shell 1 is fixedly connected with the middle part of the lower surface of the protective shell 2,
the transmission mechanism is arranged inside the protective shell 2 and is connected with the display rotating mechanism and the control mechanism;
the display rotating mechanism is arranged inside the protective shell 2 and is connected with the transmission mechanism;
the control mechanism is arranged inside the protective shell 2 and is connected with the microphone lifting mechanism;
microphone elevating system, microphone elevating system settle in protecting sheathing 2 insidely, and microphone elevating system is connected with control mechanism.
The invention has compact integral structure, is provided with a transmission mechanism when in use, drives the display rotating mechanism to rotate through the transmission mechanism, thereby driving the display screen 13 to rotate to a proper angle for use, and is also provided with a control mechanism, drives the movable connecting head 21 to be matched with the movable connecting groove 22 through the control mechanism, thereby enabling the device to use a network, when receiving network danger, directly starts the control mechanism to drive the movable connecting head 21 to be separated from the movable connecting groove 22, thereby disconnecting the network connection of a computer and protecting the network safety of the computer, and is also provided with a microphone lifting mechanism, drives the microphone lifting mechanism to operate through the control mechanism, can change the height of a microphone 32, is convenient for a practitioner to use the device, is simple to use, and is suitable for teaching use.
Example 2: the difference is based on example 1;
the transmission mechanism includes: a left motor 3, a right motor 4, a left rotating gear 5, a right rotating gear 6, a left transmission gear 7, a right transmission gear 8, an I-shaped frame 9, a limit gear 10 and a support column 11, wherein the left and right sides in the protective shell 2 are fixedly provided with the left motor 3 and the right motor 4, the middle parts of main shafts of the left motor 3 and the right motor 4 are movably sleeved at the upper end of the support column 11, the front end of the main shaft of the left motor 3 is fixedly connected with the axle center of the left rotating gear 5, the inner side of the left rotating gear 5 is meshed with the rear side of the left transmission gear 7, the front end of the main shaft of the right motor 4 is fixedly connected with the axle center of the right rotating gear 6, the inner side of the right rotating gear 6 is meshed with the rear side of the right transmission gear 8, the axle centers of the left transmission gear 7 and the right transmission gear 8 are movably connected with the left and right sides of the front end of the I-shaped frame 9, the left, the right transmission gear 8 is fixedly connected with the display control mechanism, and the limit gear 10 is connected with the control mechanism.
The display control mechanism includes: spacing axle 15, display screen 13 and rotation groove 14, protective housing 2 upper surface right side is provided with rotates groove 14, rotates the inside display screen 13 that is provided with of groove 14, display screen 13 rear end and spacing axle 15 fixed connection, spacing axle 15 left end and right drive gear 8 right side fixed connection.
The invention is provided with a transmission mechanism and a display control mechanism, a left rotating gear 5 and a right rotating gear 6 are driven to rotate by synchronous and same-direction rotation of a left motor 3 and a right motor 4, so as to drive a left transmission gear 7 and a right transmission gear 8 to rotate, so as to drive a limiting shaft 15 to drive a display screen 13 to rotate in a rotating groove 14, so that the rotation of the display screen 13 can be effectively adjusted, the use of a user is convenient, when the right motor 4 rotates in different directions, the left rotating gear 5 is driven to rotate, so as to drive the left transmission gear 7 to rotate, so as to drive the limiting gear 10 to rotate, and the control mechanism is driven to operate.
Example 3: the difference is based on examples 1 and 2;
the control mechanism includes: the device comprises a rotating shaft 12, a supporting plate 16, a rotating cylinder 17, a rotating gear 18, a rotating wheel 19, a moving shaft 20, a moving connector 21, a moving connecting groove 22, a main machine 23, a moving block 24 and a supporting rod 33, wherein the axis of a limit gear 10 is fixedly connected with the rear end of the rotating shaft 12, the rear side of the rotating shaft 12 is movably sleeved and connected with the inner part of the upper end of the supporting rod 33, the middle part of the rotating shaft 12 is movably sleeved and connected with the middle part of the upper end of the supporting plate 16, the front side of the rotating shaft 12 is fixedly connected with the axis of the rotating cylinder 17 and the axis of the rotating gear 18 in sequence, the lower side of the rotating gear 18 is meshed and connected with the upper side of the rotating wheel 19, the axis of the rotating wheel 19 is movably connected with the moving shaft 20, the rear side of the moving shaft 20 is movably connected with the axis of the moving block 24, the inside of the protective casing 2 is provided with a movable connecting groove 22, and the inside of the support casing 1 is fixedly provided with a main machine 23.
Microphone elevating system includes: the transmission shaft 25, the transmission gear 26, the rotating bevel gear 27, the transmission bevel gear 28, the lead screw 29, the lifting block 30, the connecting rod 31 and the microphone 32, wherein the lower side of the rotating wheel 19 is meshed with the transmission gear 26, the axle center of the transmission gear 26 is fixedly connected with the front side of the transmission shaft 25, the rear end of the transmission shaft 25 is movably sleeved inside the lower end of the supporting plate 16, the front end of the transmission shaft 25 is fixedly connected with the axle center of the transmission bevel gear 28, the left side of the transmission bevel gear 28 is meshed with the rotating bevel gear 27, the axle center of the rotating bevel gear 27 is fixedly connected with the lower end of the lead screw 29, the lifting block 30 is movably sleeved on the lead screw 29, the left side of the lifting block 30 is fixedly connected with.
The upper end of the microphone 32 is movably sleeved in the protection groove 34, and the protection groove 34 is arranged below the left side of the protection shell 2.
When the microphone lifting mechanism is used, the limiting gear 10 drives the rotating shaft 12 to rotate, so that the rotating cylinder 17 and the rotating gear 18 are driven to rotate, the rotating wheel 19 is driven to rotate, meanwhile, the rotating cylinder 17 drives the moving block 24 to move forwards along the thread groove on the rotating cylinder, so that the moving shaft 20 is driven to move forwards, the moving connector 21 is driven to move forwards to be matched with the moving connecting groove 22, the rotating wheel 19 drives the transmission gear 26 to rotate, the transmission shaft 25 is driven to rotate, the rotating bevel gear 27 is driven to rotate, the transmission bevel gear 28 is driven to rotate, the screw rod 29 is driven to rotate, the lifting block 30 is driven to move upwards, the connecting rod 31 is driven to move upwards, the microphone 32 is driven to move upwards, and the requirements of users are met.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A computer network security control device for teaching comprises a supporting shell (1) and a protective shell (2), and is characterized in that; the upper end of the supporting shell (1) is fixedly connected with the middle part of the lower surface of the protective shell (2),
the transmission mechanism is arranged inside the protective shell (2) and is connected with the display rotating mechanism and the control mechanism;
the display rotating mechanism is arranged inside the protective shell (2) and is connected with the transmission mechanism;
the control mechanism is arranged inside the protective shell (2) and is connected with the microphone lifting mechanism;
the microphone lifting mechanism is arranged inside the protective shell (2) and is connected with the control mechanism;
the transmission mechanism includes: left motor (3), right motor (4), left turn gear (5), right turn gear (6), left drive gear (7), right drive gear (8), i-shaped frame (9), stop gear (10) and support column (11), the inside left and right sides fixed mounting of protecting sheathing (2) has left motor (3) and right motor (4), left motor (3) and right motor (4) main shaft middle part activity cup joints in support column (11) upper end, left motor (3) main shaft front end and left turn gear (5) axle center fixed connection, left turn gear (5) are connected with left drive gear (7) rear side meshing by interior one side, right motor (4) main shaft front end and right turn gear (6) axle center fixed connection, right turn gear (6) are connected with right drive gear (8) rear side meshing by interior one side, left drive gear (7) and right drive gear (8) axle center and i-shaped frame (9) front end left and right sides meshing The left end and the right end of the rear side of the I-shaped frame (9) are fixedly connected with the inner side of the upper end of the supporting column (11), the front sides of the left transmission gear (7) and the right transmission gear (8) are meshed with a limiting gear (10), the right transmission gear (8) is fixedly connected with a display control mechanism, and the limiting gear (10) is connected with the control mechanism;
the display control mechanism includes: spacing axle (15), display screen (13) and rotation groove (14), protecting sheathing (2) upper surface right side is provided with rotation groove (14), it is provided with display screen (13) to rotate groove (14) inside, display screen (13) rear end and spacing axle (15) fixed connection, spacing axle (15) left end and right drive gear (8) right side fixed connection.
2. The teaching computer network security control device of claim 1, wherein: the control mechanism includes: the device comprises a rotating shaft (12), a supporting plate (16), a rotating cylinder (17), a rotating gear (18), a rotating wheel (19), a moving shaft (20), a moving connector (21), a moving connecting groove (22), a host (23), a moving block (24) and a supporting rod (33), wherein the axis of a limiting gear (10) is fixedly connected with the rear end of the rotating shaft (12), the rear side of the rotating shaft (12) is movably sleeved with the inner part of the upper end of the supporting rod (33), the middle part of the rotating shaft (12) is movably sleeved on the middle part of the upper end of the supporting plate (16), the front side of the rotating shaft (12) is sequentially fixedly connected with the axes of the rotating cylinder (17) and the rotating gear (18), the lower side of the rotating gear (18) is meshed with the upper side of the rotating wheel (19), the axis of the rotating wheel (19) is movably connected with the moving shaft (20), and the moving, the utility model discloses a portable electronic device, including movable block (24), removal axle (20), removal connection groove (22), movable block (24) upside and a rotation section of thick bamboo (17) threaded connection, removal axle (20) rear side activity cup joints in backup pad (16) middle part, removal axle (20) front side and removal connector (21) fixed connection, removal connector (21) and removal connection groove (22) phase-match, protecting sheathing (2) inside is provided with removal connection groove (22), supporting sheathing (1) inside fixed mounting has host computer (23).
3. A teaching computer network security control device as claimed in claim 2, wherein: microphone elevating system includes: transmission shaft (25), transmission gear (26), rotation helical gear (28), transmission helical gear (27), lead screw (29), lifting block (30), connecting rod (31) and microphone (32), it is connected with transmission gear (26) meshing to rotate wheel (19) downside, transmission gear (26) axle center and transmission shaft (25) front side fixed connection, transmission shaft (25) rear end activity cup joints inside backup pad (16) lower extreme, transmission shaft (25) front end and transmission helical gear (27) axle center fixed connection, transmission helical gear (27) left side and rotation helical gear (28) meshing connection, rotation helical gear (28) axle center and lead screw (29) lower extreme fixed connection, lifting block (30) has been cup jointed in the activity on lead screw (29), lifting block (30) left side and connecting rod (31) right-hand member fixed connection, connecting rod (31) and microphone (32) lower extreme right side fixed connection, the upper end of the screw rod (29) is fixedly connected with the inner wall of the protective shell (2).
4. A teaching computer network security control device as claimed in claim 3, wherein: microphone (32) upper end activity cup joints inside protection groove (34), protective housing (2) left side below is provided with protection groove (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732175.4A CN110399752B (en) | 2019-08-09 | 2019-08-09 | Computer network security control device for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732175.4A CN110399752B (en) | 2019-08-09 | 2019-08-09 | Computer network security control device for teaching |
Publications (2)
| Publication Number | Publication Date |
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| CN110399752A CN110399752A (en) | 2019-11-01 |
| CN110399752B true CN110399752B (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910732175.4A Expired - Fee Related CN110399752B (en) | 2019-08-09 | 2019-08-09 | Computer network security control device for teaching |
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| Country | Link |
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| CN (1) | CN110399752B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100011820U (en) * | 2009-05-27 | 2010-12-07 | 주식회사 인켈피에이 | Monitor device for multimedia type teaching desk |
| CN104382350A (en) * | 2014-09-29 | 2015-03-04 | 河南机电高等专科学校 | Computer teaching device |
| CN204410019U (en) * | 2015-02-05 | 2015-06-24 | 李庆峰 | Political Teaching dais |
| CN205358727U (en) * | 2016-01-19 | 2016-07-06 | 赵美艳 | Simple and convenient cultural podium of multi -functional politics |
| CN207461695U (en) * | 2017-05-17 | 2018-06-08 | 上海理工大学 | podium |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103844664B (en) * | 2012-12-03 | 2017-03-01 | 肖云飞 | Computer system |
-
2019
- 2019-08-09 CN CN201910732175.4A patent/CN110399752B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100011820U (en) * | 2009-05-27 | 2010-12-07 | 주식회사 인켈피에이 | Monitor device for multimedia type teaching desk |
| CN104382350A (en) * | 2014-09-29 | 2015-03-04 | 河南机电高等专科学校 | Computer teaching device |
| CN204410019U (en) * | 2015-02-05 | 2015-06-24 | 李庆峰 | Political Teaching dais |
| CN205358727U (en) * | 2016-01-19 | 2016-07-06 | 赵美艳 | Simple and convenient cultural podium of multi -functional politics |
| CN207461695U (en) * | 2017-05-17 | 2018-06-08 | 上海理工大学 | podium |
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| Publication number | Publication date |
|---|---|
| CN110399752A (en) | 2019-11-01 |
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