CN112436947A - Computer network information safety device for teaching - Google Patents

Computer network information safety device for teaching Download PDF

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Publication number
CN112436947A
CN112436947A CN202011247370.7A CN202011247370A CN112436947A CN 112436947 A CN112436947 A CN 112436947A CN 202011247370 A CN202011247370 A CN 202011247370A CN 112436947 A CN112436947 A CN 112436947A
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Prior art keywords
charging
fixedly connected
shielding
drawer
cabinet body
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CN202011247370.7A
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Chinese (zh)
Inventor
刘帅
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Rongyi Technology Co ltd
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Rongyi Technology Co ltd
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Priority to CN202011247370.7A priority Critical patent/CN112436947A/en
Publication of CN112436947A publication Critical patent/CN112436947A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • 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
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • 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
    • G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • 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
    • G06F21/88—Detecting or preventing theft or loss
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Thermal Sciences (AREA)
  • Mathematical Physics (AREA)
  • Drawers Of Furniture (AREA)

Abstract

The invention discloses a computer network information safety device for teaching, which comprises a cabinet body, supporting legs and a first shielding drawer, wherein the lower surface of the cabinet body is fixedly connected with the supporting legs, the upper end of the front surface of the cabinet body is movably connected with the first shielding drawer, the middle part of the front surface of the cabinet body is movably connected with a second shielding drawer, the lower end of the front surface of the cabinet body is provided with a shielding door, and one end of the shielding door is movably connected with a fixed handle. According to the invention, through the matching arrangement of the first shielding drawer and the second shielding drawer, mobile communication equipment or mobile storage equipment with different sizes can be placed in the first shielding drawer, the effect of conveniently observing internal equipment is achieved through the matching arrangement of the observation window and the observation glass, the protection effect on equipment in the second shielding drawer can be achieved through the arrangement of the baffle, the effect of uniformly managing the equipment is achieved, the use of the equipment by students is avoided, and the safety is increased.

Description

Computer network information safety device for teaching
Technical Field
The invention relates to the technical field of network information security, in particular to a computer network information security device for teaching.
Background
Two aspects are involved for network security: on the one hand, physical security is included, which means that tangible objects such as communication, computer equipment and related facilities in a network system are protected from being wetted by rainwater. Another aspect also includes what we commonly speak of logical security. Including information integrity, confidentiality, availability, etc. Physical security and logical security are very important, and network security is affected when no protection is provided on any aspect, so that the security protection must be reasonably arranged while considering the two aspects.
When students are taught, the students carry mobile communication equipment or mobile storage equipment to steal and destroy computer information security, so that a teaching system is damaged, hardware is infected by viruses, network information is leaked, economic loss is caused, and the security is low, so that a computer network information security device for teaching is needed.
Disclosure of Invention
The invention aims to provide a computer network information security device for teaching to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a computer network information safety device is used in teaching, includes the cabinet body, supporting legs and first shielding drawer, the lower fixed surface of the cabinet body is connected with the supporting legs, the positive upper end swing joint of the cabinet body has first shielding drawer, the positive middle part swing joint of the cabinet body has the second shielding drawer, the positive lower extreme of the cabinet body is provided with the shielding door, the one end swing joint of shielding door has fixed handle, the observation window has been seted up to one side of first shielding drawer.
Preferably, the one end fixedly connected with handle of first shielding drawer, the inside fixedly connected with buffering cloth of first shielding drawer, the inside one end fixedly connected with charging wire of first shielding drawer, the protective sheath has been cup jointed at the middle part of charging wire, the dashpot has been seted up to the surface of protective sheath, the one end fixedly connected with jack of charging wire, the inside fixedly connected with buckle of first shielding drawer, the quantity of buckle is three, three the equal joint in inside of buckle has the head that charges, the one end fixedly connected with plug of the head that charges.
Preferably, the other end of charging wire is provided with the take-up reel, the equal fixedly connected with bracing piece in both sides of take-up reel, the inside swing joint of take-up reel has the fixed axle, the inside fixedly connected with charging wire of fixed axle, the equal fixedly connected with in both ends of fixed axle resets the clockwork spring, the one end and the take-up reel fixed connection of clockwork spring reset, solid fixed ring has been cup jointed to the one end of charging wire, gu fixed ring's lower fixed surface is connected with the diversion axle, diversion axle and cabinet body fixed connection, the surface of charging wire is provided with the wearing layer.
Preferably, the two sides of the first shielding drawer are fixedly connected with connecting strips, the inside of each connecting strip is movably connected with a sliding groove, the outer surface of each sliding groove is movably connected with a sliding block, the inside of each sliding block is movably connected with a ball, each connecting strip is movably connected with the corresponding sliding groove through the corresponding sliding block, one end of each sliding groove is fixedly connected with a buffer damper, one end of each buffer damper is fixedly connected with a supporting block, two ends of the first shielding drawer are fixedly connected with handles, and the inside of the second shielding drawer is movably connected with a baffle.
Preferably, the one end swing joint of baffle has the hinge, the baffle passes through hinge and second shielding drawer swing joint, the one end fixedly connected with key hole of baffle, the one end of key hole is provided with the spring bolt, the last fixed surface of baffle is connected with observes glass.
Preferably, one side fixedly connected with rotary disk of fixed handle, the equal swing joint in both ends of rotary disk has the connecting rod, the one end swing joint of connecting rod has the fixed block, the outer fixed surface of rotary disk is connected with the stopper, the inside fixedly connected with that shields the door stops the piece.
Preferably, the outer surface of the cabinet body is provided with an antirust coating, the cabinet body is made of aluminum alloy, and a lead plate is arranged inside the cabinet body.
Preferably, the fixing mechanism includes:
the push-pull rod is fixed at the rear end of the first shielding drawer and moves along with the push and pull of the first shielding drawer;
the L-shaped track groove is arranged on one side, away from the first shielding drawer, of the push-pull rod;
the boss is connected in the L-shaped track groove in a sliding manner;
the lifting rod is fixedly connected to the boss; the lifting rod and the boss move relatively along the L-shaped track groove together;
the support rod is fixedly connected to the lower end of the lifting rod;
the two groups of hinges are respectively and symmetrically and fixedly connected to two sides of the lower end of the supporting rod;
the two groups of electric rods are respectively in one-to-one correspondence with the two groups of hinges, one end of each electric rod is hinged with the corresponding hinge, and the other end of each electric rod is hinged on the inner wall of the cabinet body;
and the spring is fixedly connected between the push-pull rod and the inner wall of the cabinet body.
Preferably, the method further comprises the following steps:
the temperature sensor is arranged on the surface of the charging head and used for detecting the temperature of the surface of the charging head;
a plurality of distance sensor, a plurality of distance sensor set up the cabinet is internal for detect the overall dimension of the battery charging outfit that the head that charges is connected, the overall dimension includes: a length and a width;
the current sensor is connected with the charging head and used for detecting the charging current of the charging head;
the heat dissipation fan is arranged at the rear end of the inner wall of the first shielding drawer and used for dissipating heat of the charging equipment in the charging process of the charging equipment;
the wind speed sensor is arranged in the first shielding drawer and close to the charging head and is used for detecting the wind speed at the position of the first shielding drawer;
the alarm is arranged on the surface of the observation window;
the controller is arranged on the outer wall of the first shielding drawer and is electrically connected with the temperature sensor, the distance sensor, the current sensor, the heat dissipation fan, the wind speed sensor and the alarm respectively;
the controller is based on temperature sensor, distance sensor, current sensor, heat dissipation fan, wind speed sensor control the alarm work includes following steps:
the method comprises the following steps: based on the detection value of the current sensor, calculating and detecting the charging power of the charging equipment in the charging process through a formula (1):
Figure BDA0002770481130000041
wherein P is the charging power of the charging equipment in the charging process,
Figure BDA0002770481130000042
is the power coefficient of the charging head, U is the rated voltage of the charging head, I is the detection value of the current sensor, I is0The rated current of the charging head is used, and lambda is a current deviation coefficient;
step two: calculating the theoretical temperature of the surface of the charging head in the charging process of the charging equipment based on the step one and a formula (2):
Figure BDA0002770481130000043
wherein T is the theoretical temperature on the surface of a charging head in the charging process of the charging equipment, alpha is the heat exchange coefficient of the buffer cloth, P is the charging power in the charging process of the charging equipment, and T is0A charging head surface temperature before charging the charging device for the charging head,
Figure BDA0002770481130000044
the detection error coefficient of the distance sensor is a, the length of the charging equipment is a, the width of the charging equipment is b, the detection value of the wind speed sensor is v, and t is unit time;
step three: the temperature sensor detects in the charging equipment charging process the actual temperature on charging head surface, the controller will actual temperature with theoretical temperature carries out the comparison, if actual temperature is greater than theoretical temperature, then the controller control the head that charges cuts off the power immediately, and control the heat dissipation fan accelerates the cooling wind speed, controls simultaneously the alarm reports to the police.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the matching arrangement of the first shielding drawer and the second shielding drawer, mobile communication equipment or mobile storage equipment with different sizes can be placed in the first shielding drawer, the effect of conveniently observing internal equipment is achieved through the matching arrangement of the observation window and the observation glass, the protection effect on equipment in the second shielding drawer can be achieved through the arrangement of the baffle, the effect of uniformly managing the equipment is achieved, the use of the equipment by students is avoided, and the safety is increased.
2. According to the invention, through the arrangement of the charging wire, the effect of conveniently charging the stored equipment is achieved, through the matching arrangement of the jack and the charging head, the effect of charging the equipment after the charging head matched with the mobile communication equipment is connected with the charging wire is achieved, through the arrangement of different charging heads, the effect of increasing the adaptability of the equipment is achieved, the equipment can be charged during the storage period, the effect of avoiding the shutdown of the equipment without power after the teaching is finished is achieved, the practicability is increased, and the student can conveniently store the equipment.
3. According to the invention, through the arrangement of the winding roll, the position of the winding roll can be fixed by the support rod, through the arrangement of the reset spring and the fixed shaft, when the first shielding drawer is pulled out, the fixed shaft rotates to release the wound charging wire, the length of the charging wire is increased, the first shielding drawer is conveniently pulled out, when the first shielding drawer is closed, the reset spring drives the fixed shaft to rotate, the excessive charging wire can be tightened, the size is reduced, the protection effect on the charging wire is played, the practicability is strong, and the operation is convenient.
4. According to the invention, through the arrangement of the antirust coating, the effect of increasing the antirust capacity of the cabinet body is achieved, the corrosion and rust rate of the cabinet body in the air is slowed down, the weight of the cabinet body can be reduced through the arrangement of the cabinet body made of an aluminum alloy material, the shielding effect on signals can be increased through the arrangement of the lead plate in the cabinet body, the stealing of teaching is avoided, and the safety is increased.
5. According to the invention, through the arrangement of the fixing mechanism, when a user momentarily pulls the handle of the first shielding drawer, the electric rod automatically extends to support the lifting rod to rise, at the moment, the boss is arranged at the horizontal part of the L-shaped track groove, and the push-pull rod rapidly pops up under the action of the resilience force of the spring, so that the first shielding drawer can be automatically popped up finally; when the user promoted first shielding drawer handle, the boss was in the vertical portion in L type track groove this moment, and electronic pole is automatic to be shrunk, drives the lifter and descends to first shielding drawer can the chucking, prevents to lead to first shielding drawer roll-off because of the cabinet body slope, finally realizes that the relative cabinet body of first shielding drawer keeps quiescent condition.
6. According to the invention, through the work of the temperature sensor, the distance sensor, the current sensor, the heat dissipation fan, the wind speed sensor and the controller, the theoretical temperature of the charging equipment in the first shielding drawer in the charging process can be calculated, the charging head is controlled to immediately cut off the power supply according to the actual temperature detection value, the heat dissipation fan is controlled to accelerate the cooling wind speed, and meanwhile, the alarm is controlled to give an alarm, so that the heating and scalding of the charging equipment caused by the bad operation such as long-time charging are avoided, and the risk of equipment damage and damage to a user is reduced.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a side perspective view of a first shielding drawer of the present invention;
FIG. 3 is a perspective structural view of the cabinet door of the present invention;
FIG. 4 is a side perspective view of a second shielded drawer according to the present invention;
FIG. 5 is a side view of a first shielding drawer according to the present invention;
FIG. 6 is a schematic side perspective view of the winding roll according to the present invention;
FIG. 7 is a schematic side perspective view of a plumbing plate of the present invention;
FIG. 8 is a schematic structural view of a first shielding drawer securing mechanism of the present invention;
FIG. 9 is a schematic structural view of the first shielding drawer ejection fixing mechanism of the present invention;
fig. 10 is a schematic structural view of the first shielding drawer clamping rear fixing mechanism of the present invention.
In the figure: 1. a cabinet body; 2. supporting legs; 3. a first shielding drawer; 4. a second shielding drawer; 5. a shield door; 6. fixing a handle; 7. an observation window; 8. a handle; 9. a buffer cloth; 10. a charging wire; 11. a protective sleeve; 12. a buffer tank; 13. a jack; 14. buckling; 15. a charging head; 16. a plug; 17. a take-up reel; 18. a support bar; 19. a fixed shaft; 20. resetting the clockwork spring; 21. a fixing ring; 22. a steering shaft; 23. a wear layer; 24. a connecting strip; 25. a chute; 26. a slider; 27. a ball bearing; 28. buffering and damping; 29. a support block; 30. a handle; 31. a baffle plate; 32. a hinge; 33. a key hole; 34. a latch bolt; 35. a connecting rod; 36. a fixed block; 37. a limiting block; 38. a blocking block; 39. an antirust coating; 40. a lead plate; 41. a push-pull rod; 4101. an L-shaped track groove; 42. a lifting rod; 4201. a boss; 4301. a support bar; 4302. a hinge; 4303. an electric rod; 44. a spring.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 7, in embodiment 1 of the present invention, a computer network information security apparatus for teaching includes a cabinet 1, support legs 2 and a first shielding drawer 3, the support legs 2 are fixedly connected to a lower surface of the cabinet 1, the support legs 2 have an effect of increasing friction force and improving stability of the cabinet 1, the first shielding drawer 3 is movably connected to an upper end of a front surface of the cabinet 1, the second shielding drawer 4 is movably connected to a middle of the front surface of the cabinet 1, the first shielding drawer 3 and the second shielding drawer 4 are cooperatively arranged to achieve an effect of placing a mobile device and avoiding information security from being damaged, a shielding door 5 is disposed at a lower end of the front surface of the cabinet 1, one end of the shielding door 5 is movably connected to a fixed handle 6, an observation window 7 is disposed on one side of the first shielding drawer 3, and the observation window 7 has an effect of facilitating observation of a device stored.
In embodiment 2 of the invention, a computer network information safety device for teaching comprises a cabinet body 1, supporting legs 2 and a first shielding drawer 3, wherein the supporting legs 2 are fixedly connected to the lower surface of the cabinet body 1, the first shielding drawer 3 is movably connected to the upper end of the front surface of the cabinet body 1, a second shielding drawer 4 is movably connected to the middle of the front surface of the cabinet body 1, a shielding door 5 is arranged at the lower end of the front surface of the cabinet body 1, one end of the shielding door 5 is movably connected with a fixed handle 6, and an observation window 7 is arranged on one side of the first shielding drawer 3;
among them, the difference from example 1 is: one end of the first shielding drawer 3 is fixedly connected with a handle 8, the inside of the first shielding drawer 3 is fixedly connected with a buffering cloth 9, one end of the inside of the first shielding drawer 3 is fixedly connected with a charging wire 10, the middle part of the charging wire 10 is sleeved with a protective sleeve 11, the outer surface of the protective sleeve 11 is provided with a buffer groove 12, one end of the charging wire 10 is fixedly connected with a jack 13, the inside of the first shielding drawer 3 is fixedly connected with three buckles 14, the three buckles 14 are all clamped with charging heads 15, one end of the charging head 15 is fixedly connected with a plug 16, through the arrangement of the charging wire 10, the effect of conveniently charging the stored equipment is achieved, through the matching arrangement of the jacks 13 and the charging heads 15, the effect of charging the equipment after the charging head 15 matched with the mobile communication equipment is connected with the charging wire 10 is achieved, through the arrangement of different charging heads 15, the effect of improving the adaptability of the equipment is achieved, the equipment can be charged during the storage period, the effect of shutdown when the equipment is not powered after the teaching is finished can be avoided, the practicability is improved, and the student can conveniently store the equipment; the other end of the charging wire 10 is provided with a winding roll 17, both sides of the winding roll 17 are fixedly connected with support rods 18, the inside of the winding roll 17 is movably connected with a fixed shaft 19, the inside of the fixed shaft 19 is fixedly connected with a charging wire 10, both ends of the fixed shaft 19 are fixedly connected with a reset spring 20, one end of the reset spring 20 is fixedly connected with the winding roll 17, one end of the charging wire 10 is sleeved with a fixed ring 21, the lower surface of the fixed ring 21 is fixedly connected with a turning shaft 22, the turning shaft 22 is fixedly connected with the cabinet body 1, the outer surface of the charging wire 10 is provided with a wear-resistant layer 23, through the arrangement of the winding roll 17, the support rods 18 can fix the position of the winding roll 17, through the arrangement of the reset spring 20 and the fixed shaft 19, when the first shielding drawer 3 is pulled out, the fixed shaft 19 rotates, the wound charging wire 10 is released, the length of, when the first shielding drawer 3 is closed, the reset spring 20 drives the fixed shaft 19 to rotate, the extra charging wires 10 can be tightened, the size is reduced, the protection effect on the charging wires 10 is achieved, the practicability is high, and the operation is convenient; the two sides of the first shielding drawer 3 are fixedly connected with connecting strips 24, the inside of each connecting strip 24 is movably connected with a sliding groove 25, the outer surface of each sliding groove 25 is movably connected with a sliding block 26, the inside of each sliding block 26 is movably connected with a ball 27, each connecting strip 24 is movably connected with the corresponding sliding groove 25 through the corresponding sliding block 26, one end of each sliding groove 25 is fixedly connected with a buffering damper 28, one end of each buffering damper 28 is fixedly connected with a supporting block 29, one end of each second shielding drawer 4 is fixedly connected with a handle 30, and the inside of each second shielding drawer 4 is movably connected with a baffle plate; one end of the baffle plate 31 is movably connected with a hinge 32, the baffle plate 31 is movably connected with the second shielding drawer 4 through the hinge 32, one end of the baffle plate 31 is fixedly connected with a key hole 33, one end of the key hole 33 is provided with a bolt 34, the upper surface of the baffle plate 31 is fixedly connected with observation glass, the arrangement of the baffle plate 31 can play a role in protecting equipment in the second shielding drawer 4, the key hole 33 and the bolt 34 are matched to fix the baffle plate 31, the protection effect on internal equipment is increased, and the loss is avoided; one side of the fixed handle 6 is fixedly connected with a rotating disk, the two ends of the rotating disk are movably connected with a connecting rod 35, one end of the connecting rod 35 is movably connected with a fixed block 36, the outer surface of the rotating disk is fixedly connected with a limiting block 37, and the inside of the shielding door 5 is fixedly connected with a blocking block 38; the outer surface of the cabinet body 1 is provided with an antirust coating 39, the cabinet body 1 is made of aluminum alloy, the lead plate 40 is arranged inside the cabinet body 1, the antirust coating 39 is arranged, the effect of increasing the antirust capacity of the cabinet body 1 is achieved, the corrosion and rust rate of the cabinet body 1 in the air is reduced, the weight of the cabinet body 1 can be reduced due to the fact that the cabinet body 1 is made of aluminum alloy, the lead plate 40 is arranged inside the cabinet body 1, the signal shielding effect can be improved, stealing of teaching is avoided, and safety is improved;
the working principle is as follows: the cooperation setting of first shielding drawer 3 and second shielding drawer 4 can place not unidimensional mobile communication equipment or mobile storage equipment in first shielding drawer 3, through observation window 7 and observation glass's cooperation setting, plays the effect of conveniently observing the internal plant, through the setting of baffle 31, can play the guard action to equipment in the second shielding drawer 4, play the effect with the unified management of equipment, avoid student's use equipment, increase the security.
The using method comprises the following steps: place mobile communication equipment respectively in first shielding drawer 3 and second shielding drawer 4, through the cooperation setting of key hole 33 and spring bolt 34, can be fixed with baffle 31, play the effect of the 4 internal plant of protection second shielding drawer, through the shielding effect of the cabinet body 1, can play the effect of blocking the signal and avoiding endangering computer network information safety to the equipment of inside at the teaching in-process.
In one embodiment, further comprising: a securing mechanism, the securing mechanism comprising:
the push-pull rod 41 is fixed at the rear end of the first shielding drawer 3 and moves together with the push and pull of the first shielding drawer 3;
an L-shaped track groove 4101, wherein the L-shaped track groove 4101 is arranged on one side of the push-pull rod 41 far away from the first shielding drawer 3;
a boss 4201, the boss 4201 being slidably coupled within the L-shaped track groove 4101;
the lifting rod 42 is fixedly connected to the boss 4201; the lifting rod (42) and the boss 4201 move relatively along the L-shaped track groove 4101;
the support rod 4301 is fixedly connected to the lower end of the lifting rod 42;
the two groups of hinges 4302 are respectively and symmetrically and fixedly connected to two sides of the lower end of the supporting rod 4301;
two groups of electric rods 4303 are respectively in one-to-one correspondence with two groups of hinges 4302, one end of each electric rod 4303 is hinged with the corresponding hinge 4303, and the other end of each electric rod 4303 is hinged with the inner wall of the cabinet body 1;
and the spring 44 is fixedly connected between the push-pull rod 41 and the inner wall of the cabinet body 1.
The working principle and the beneficial effects of the technical scheme are as follows: through the arrangement of the fixing mechanism, when a user pulls the first shielding drawer handle for a short time, the electric rod automatically extends to support the lifting rod to ascend, the boss is positioned at the horizontal part of the L-shaped track groove, the push-pull rod rapidly pops up under the action of the resilience force of the spring, and finally the first shielding drawer can be automatically popped up; when the user promoted first shielding drawer handle, the boss was in the vertical portion in L type track groove this moment, and electronic pole is automatic to be shrunk, drives the lifter and descends to first shielding drawer can the chucking, prevents to lead to first shielding drawer roll-off because of the cabinet body slope, finally realizes that the relative cabinet body of first shielding drawer keeps quiescent condition.
In one embodiment, further comprising:
a temperature sensor provided on a surface of the charging head 15 for detecting a temperature of the surface of the charging head 15;
a plurality of distance sensor, a plurality of distance sensor set up in the cabinet body 1 for detect the overall dimension of the battery charging outfit that the head that charges is connected, the overall dimension includes: a length and a width;
a current sensor connected to the charging head 15 for detecting a charging current of the charging head 15;
the heat dissipation fan is arranged at the rear end of the inner wall of the first shielding drawer 3 and used for dissipating heat of the charging equipment in the charging process of the charging equipment;
the wind speed sensor is arranged in the first shielding drawer 3 and close to the charging head 15 and is used for detecting the wind speed at the position where the wind speed sensor is located;
the alarm is arranged on the surface of the observation window 7;
the controller is arranged on the outer wall of the first shielding drawer 3 and is respectively and electrically connected with the temperature sensor, the distance sensor, the current sensor, the heat dissipation fan, the wind speed sensor and the alarm;
the controller is based on temperature sensor, distance sensor, current sensor, heat dissipation fan, wind speed sensor control the alarm work includes following steps:
the method comprises the following steps: based on the detection value of the current sensor, calculating and detecting the charging power of the charging equipment in the charging process through a formula (1):
Figure BDA0002770481130000111
wherein P is the charging power of the charging equipment in the charging process,
Figure BDA0002770481130000112
the power coefficient/factor (value is more than 0 and less than 1) of the charging head 15, U is the rated voltage of the charging head 15, I is the detection value of the current sensor, I is0The rated current of the charging head is used, and lambda is a current deviation coefficient;
step two: calculating the theoretical temperature of the surface of the charging head in the charging process of the charging equipment based on the step one and a formula (2):
Figure BDA0002770481130000121
wherein T the theoretical temperature on the surface of the charging head in the charging process of the charging equipment, alpha is the heat exchange coefficient of the buffer cloth 9, the unit is W/(-) square meter DEG C, P is the charging power in the charging process of the charging equipment, and T is0A charging head surface temperature before charging the charging device for the charging head,
Figure BDA0002770481130000122
the detection error coefficient of the distance sensor is a, the length of the charging equipment is a, the width of the charging equipment is b, the detection value of the wind speed sensor is v, and t is unit time;
step three: the temperature sensor detects the actual temperature of the surface of the charging head 15 in the charging process of the charging equipment, the controller compares the actual temperature with the theoretical temperature, if the actual temperature is higher than the theoretical temperature, the controller controls the charging head 15 to immediately cut off the power supply, controls the cooling fan to accelerate the cooling wind speed, and controls the alarm to give an alarm.
The working principle and the beneficial effects of the technical scheme are as follows: through the work of temperature sensor, distance sensor, current sensor, heat dissipation fan, controller, calculate the theoretical temperature of mobile communication equipment or the removal storage device in the first shielding drawer in the charging process to according to actual temperature detection value control charging head cut off power immediately, and control heat dissipation fan and accelerate cooling air speed, simultaneous control the alarm is reported to the police, avoids bad functions such as long-time charging to lead to the battery charging outfit to generate heat, send out the boiling hot, has reduced the equipment damage and has caused the risk of harm to the user.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a computer network information safety device is used in teaching, includes the cabinet body (1), supporting legs (2) and first shielding drawer (3), its characterized in that: the utility model discloses a cabinet, including the cabinet body, the lower fixed surface of the cabinet body (1) is connected with supporting legs (2), the positive upper end swing joint of the cabinet body (1) has first shielding drawer (3), the positive middle part swing joint of the cabinet body (1) has second shielding drawer (4), the positive lower extreme of the cabinet body (1) is provided with shielding door (5), the one end swing joint of shielding door (5) has fixed handle (6), observation window (7) have been seted up to one side of first shielding drawer (3).
2. A computer network information security device for education as claimed in claim 1 wherein: one end fixedly connected with handle (8) of first shielding drawer (3), inside fixedly connected with buffering cloth (9) of first shielding drawer (3), the inside one end fixedly connected with charging wire (10) of first shielding drawer (3), protective sheath (11) have been cup jointed at the middle part of charging wire (10), buffer slot (12) have been seted up to the surface of protective sheath (11), one end fixedly connected with jack (13) of charging wire (10), inside fixedly connected with buckle (14) of first shielding drawer (3), the quantity of buckle (14) is three, three the equal joint in inside of buckle (14) has charging head (15), the one end fixedly connected with plug (16) of charging head (15).
3. A computer network information security device for education as claimed in claim 2, wherein: the other end of charging wire (10) is provided with take-up reel (17), the equal fixedly connected with bracing piece (18) in both sides of take-up reel (17), the inside swing joint of take-up reel (17) has fixed axle (19), the inside fixedly connected with charging wire (10) of fixed axle (19), the equal fixedly connected with in both ends of fixed axle (19) resets clockwork spring (20), the one end and take-up reel (17) fixed connection of clockwork spring (20) reset, solid fixed ring (21) have been cup jointed to the one end of charging wire (10), the lower fixed surface fixedly connected with steering shaft (22) of solid fixed ring (21), steering shaft (22) and cabinet body (1) fixed connection, the surface of charging wire (10) is provided with wearing layer (23).
4. A computer network information security device for education as claimed in claim 1 wherein: the utility model discloses a drawer structure, including first shielding drawer (3), the equal fixedly connected with connecting strip (24) in both sides of first shielding drawer (3), the inside swing joint of connecting strip (24) has spout (25), the surface swing joint of spout (25) has slider (26), the inside swing joint of slider (26) has ball (27), connecting strip (24) are through slider (26) and spout (25) swing joint, the one end fixedly connected with buffering damping (28) of spout (25), the one end fixedly connected with supporting shoe (29) of buffering damping (28), the one end fixedly connected with handle (30) of second shielding drawer (4), the inside swing joint of second shielding drawer (4) has baffle (31).
5. An instructional computer network information security apparatus, according to claim 4, wherein: one end swing joint of baffle (31) has hinge (32), baffle (31) pass through hinge (32) and second shielding drawer (4) swing joint, the one end fixedly connected with key hole (33) of baffle (31), the one end of key hole (33) is provided with spring bolt (34), the last fixed surface of baffle (31) is connected with observation glass.
6. A computer network information security device for education as claimed in claim 1 wherein: the utility model discloses a shield door, including fixed handle (6), one side fixedly connected with rotary disk of fixed handle (6), the equal swing joint in both ends of rotary disk has connecting rod (35), the one end swing joint of connecting rod (35) has fixed block (36), the outer fixed surface of rotary disk is connected with stopper (37), the inside fixedly connected with of shield door (5) blocks piece (38).
7. A computer network information security device for education as claimed in claim 1 wherein: the outer surface of the cabinet body (1) is provided with an antirust coating (39), the cabinet body (1) is made of aluminum alloy, and a lead plate (40) is arranged inside the cabinet body (1).
8. A computer network information security device for education as claimed in claim 1 wherein: still include fixed establishment, fixed establishment includes:
the push-pull rod (41), the said push-pull rod (41) is fixed in the rear end of the said first shielding drawer (3), move together with push-and-pull of the said first shielding drawer (3);
the L-shaped track groove (4101), the L-shaped track groove (4101) is arranged on one side of the push-pull rod (41) far away from the first shielding drawer (3);
a boss (4201), said boss (4201) being slidably coupled within said L-shaped track slot (4101);
the lifting rod (42), the lifting rod (42) is fixedly connected to the boss (4201); the lifting rod (42) and the boss (4201) move relatively along the L-shaped track groove (4101);
the supporting rod (4301), the said supporting rod (4301) is fixedly connected to the lower end of the said lifting bar (42);
the two groups of hinges (4302) are respectively and symmetrically fixedly connected to two sides of the lower end of the supporting rod (4301);
the two groups of electric rods (4303) are respectively in one-to-one correspondence with the two groups of hinges (4302), one end of each electric rod (4303) is hinged with the corresponding hinge (4303), and the other end of each electric rod (4303) is hinged with the inner wall of the cabinet body (1);
the spring (44) is fixedly connected between the push-pull rod (41) and the inner wall of the cabinet body (1).
9. A computer network information security device for education as claimed in claim 2, wherein: further comprising:
a temperature sensor provided on a surface of the charging head (15) for detecting a temperature of the surface of the charging head (15);
a plurality of distance sensor, a plurality of distance sensor set up in the cabinet body (1), be used for detecting the overall dimension of the battery charging outfit that charges head (15) and connect, the overall dimension includes: a length and a width;
a current sensor connected to the charging head (15) for detecting a charging current of the charging head (15);
the heat dissipation fan is arranged at the rear end of the inner wall of the first shielding drawer (3) and used for dissipating heat of the charging equipment in the charging process of the charging equipment;
the wind speed sensor is arranged in the first shielding drawer (3), is close to the charging head (15) and is used for detecting the wind speed at the position of the first shielding drawer;
the alarm is arranged on the surface of the observation window (7);
the controller is arranged on the outer wall of the first shielding drawer (3), and is respectively and electrically connected with the temperature sensor, the distance sensor, the current sensor, the heat dissipation fan, the wind speed sensor and the alarm;
the controller is based on temperature sensor, distance sensor, current sensor, heat dissipation fan, wind speed sensor control the alarm work includes following steps:
the method comprises the following steps: based on the detection value of the current sensor, calculating and detecting the charging power of the charging equipment in the charging process through a formula (1):
Figure FDA0002770481120000041
wherein P is the charging power of the charging equipment in the charging process,
Figure FDA0002770481120000043
is the power coefficient of the charging head (15), U is the rated voltage of the charging head (15), I is the detection value of the current sensor, I is0Is the rated current of the charging head (15), and lambda is the current deviation coefficient;
step two: calculating the theoretical temperature of the surface of the charging head (15) in the charging process of the charging equipment based on the step one and the formula (2):
Figure FDA0002770481120000042
wherein T is the theoretical temperature of the surface of the charging head (15) in the charging process of the charging equipment, alpha is the heat exchange coefficient of the buffering cloth (9), P is the charging power in the charging process of the charging equipment, and T is0A charging head surface temperature before charging the charging device for the charging head (15),
Figure FDA0002770481120000044
the detection error coefficient of the distance sensor is a, the length of the charging equipment is a, the width of the charging equipment is b, the detection value of the wind speed sensor is v, and t is unit time;
step three: the temperature sensor detects the actual temperature on the surface of the charging head (15) in the charging process of the charging equipment, the controller compares the actual temperature with the theoretical temperature, if the actual temperature is higher than the theoretical temperature, the controller controls the charging head (15) to immediately cut off the power supply, controls the cooling fan to accelerate the cooling wind speed, and controls the alarm to give an alarm.
CN202011247370.7A 2020-11-10 2020-11-10 Computer network information safety device for teaching Withdrawn CN112436947A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011247370.7A CN112436947A (en) 2020-11-10 2020-11-10 Computer network information safety device for teaching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011247370.7A CN112436947A (en) 2020-11-10 2020-11-10 Computer network information safety device for teaching

Publications (1)

Publication Number Publication Date
CN112436947A true CN112436947A (en) 2021-03-02

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Application Number Title Priority Date Filing Date
CN202011247370.7A Withdrawn CN112436947A (en) 2020-11-10 2020-11-10 Computer network information safety device for teaching

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114667008A (en) * 2022-01-21 2022-06-24 广东电网有限责任公司汕尾供电局 Machine room equipment management device of Internet of things

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114667008A (en) * 2022-01-21 2022-06-24 广东电网有限责任公司汕尾供电局 Machine room equipment management device of Internet of things
CN114667008B (en) * 2022-01-21 2023-10-13 广东电网有限责任公司汕尾供电局 Computer lab equipment management device of thing networking

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