CN114423265A

CN114423265A - Electromagnetic shielding cabinet with automatic locking cabinet door for new-generation information technology

Info

Publication number: CN114423265A
Application number: CN202111506240.5A
Authority: CN
Inventors: 庞玲涛
Original assignee: Jiangsu Juhui Power Equipment Co ltd
Current assignee: Jiangsu Juhui Power Equipment Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-04-29

Abstract

The invention relates to the technical field of communication products and discloses an electromagnetic shielding cabinet with an automatic locking cabinet door for a new-generation information technology. Gap department between shield door and the shield box can produce the air current, make the air current pass through the wind channel in the shield box, and it is rotatory to drive the fan blade in the wind channel, it is rotatory to make the fan blade drive the belt pulley through the belt again, make fan-shaped tooth on the belt pulley constantly contact with the driving tooth, make fan-shaped tooth drive the ninety degrees of driving tooth rotation after rotatory many circles, make swinging arms and on & off switch contact on the driving tooth, and trigger on & off switch, make the device can whether the automatic monitoring shield door closes closely, make things convenient for the staff in time to know the state of shield door, promote the device's intellectuality.

Description

Electromagnetic shielding cabinet with automatic locking cabinet door for new-generation information technology

Technical Field

The invention relates to the technical field of communication products, in particular to an electromagnetic shielding cabinet with an automatically locked cabinet door for a new-generation information technology.

Background

With the gradual deepening of people's understanding of the harmfulness of electromagnetic leakage emission of a confidential information system, a large number of various electromagnetic leakage emission prevention means are adopted when a confidential information network is established, including the construction of an electromagnetic shielding room, the laying of an optical cable and a shielded twisted pair, the use of low-radiation equipment, a red-black power isolation socket and a shielding cabinet, wherein the shielding cabinet has the characteristics of small volume, convenient installation and flexible use, and is very suitable for being used in occasions where the installation of the electromagnetic shielding room is not suitable and the protection of information equipment is required.

Among the prior art, electromagnetic shield rack is at the in-process that uses, and if the shield door is not closed tightly, then can lead to the shielding effect of rack relatively poor, and simultaneously, current device can not monitor the state between shield door and the rack automatically, makes the user can not in time know the state of machine door and to the self-closing of machine door.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an electromagnetic shielding cabinet with an automatic locking cabinet door for a new generation of information technology, which has the advantages of monitoring whether the cabinet door is closed or not by using airflow and automatically locking the cabinet door, and solves the problems that the shielding effect of the cabinet is poor if the shielding door is not closed tightly in the use process of the electromagnetic shielding cabinet, and meanwhile, the existing device cannot automatically monitor the state between the shielding door and the cabinet, so that a user cannot know the state of the cabinet door and automatically close the cabinet door in time.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an electromagnetic shielding cabinet with an automatic locking cabinet door for a new generation of information technology comprises a shielding box, wherein a shielding door is hinged to the outer side wall of the shielding box, an air duct is fixedly connected to the inner side wall of the shielding box, air inlet grooves are formed in two ends of the air duct, a fan blade is rotatably connected to the inside of the air duct, a belt is movably connected to a rotating shaft of the fan blade, a base is fixedly connected to the bottom of the air duct, a belt pulley is rotatably connected to the inside of the base, a fan-shaped tooth is fixedly connected to the outer side wall of the belt pulley, a transmission tooth is meshed with the outer side wall of the fan-shaped tooth, a swinging rod is fixedly connected to the outer side wall of the transmission tooth, and a switch key is fixedly connected to the inside of the base;

the front surface fixedly connected with pivot of shielded cell, the lateral wall fixedly connected with of pivot triggers the head, the lateral wall sliding connection who triggers the head has the cam, the lateral wall of pivot with the opposite side fixedly connected with clamp plate of triggering the head.

Preferably, a contact switch is fixedly connected inside the shielding box, an electrical output end of the contact switch is electrically connected with an electrical input end of the cam through a wire, and the contact switch controls the cam to rotate.

Preferably, the rotating shaft of the belt pulley is in transmission connection with the input shaft of the fan blade through the belt, and the fan blade drives the belt pulley to rotate through the belt.

Preferably, the electrical output end of the on-off key is electrically connected with the electrical input end of the cam through a wire, and the on-off key controls the cam to rotate.

Preferably, the rotating shafts are two, the two rotating shafts are symmetrically distributed with reference to the center line of the shielding box, and the upper ends and the lower ends of the shielding door are locked by the pressing plates on the two rotating shafts.

Preferably, the rotating shaft of the rotating shaft is fixedly connected with a damping shaft, and the rotating shaft cannot easily rotate by arranging the damping shaft, so that the extrusion force of the upper pressing plate of the rotating shaft on the shielding door is improved.

Preferably, the outer side wall of the pressing plate is close to the position of the shielding door and is fixedly connected with a rubber block, the rubber block is in contact with the shielding door through the rubber block, and a supporting surface between the pressing plate and the shielding door is improved.

(III) advantageous effects

Compared with the prior art, the invention provides an electromagnetic shielding cabinet with an automatically locked cabinet door for a new generation of information technology, which has the following beneficial effects:

1. the new generation of information technology uses the electromagnetic shielding cabinet with the cabinet door automatically locked, and the air channel is arranged at the opening and closing position of the shielding box and the machine door, when the shielding door and the shielding box are not tightly attached, because the temperature of the air in the shielding box is higher than that of the outside air, the gap between the shielding door and the shielding box can generate airflow, the airflow passes through the air duct in the shielding box, and drives the fan blades in the air duct to rotate, so that the fan blades drive the belt pulley to rotate through the belt, the fan-shaped teeth on the belt pulley are continuously contacted with the transmission teeth, the fan-shaped teeth drive the transmission teeth to rotate for ninety degrees after rotating for a plurality of circles, the swing rod on the transmission teeth is contacted with the switch key, and trigger the on-off key, make the device can whether the automatic monitoring shield door closes closely, make things convenient for the staff in time to know the state of shield door, promote the device's intellectuality.

2. This electromagnetic shield rack of dead cabinet door of automatic locking for new generation information technology, through setting up the pivot, the one end of pivot is connected with the clamp plate, when the on & off switch is triggered, on & off switch control cam work, make cam anticlockwise rotation ninety degrees, make the cam drive trigger head to one side swing, make trigger head rethread pivot drive clamp plate and shield door contact, make the clamp plate drive shield door move to one side of shielded cell, make the clamp plate automatic press the shield door in the outside of shielded cell, it is dead to make the device can realize the automatic locking of shield door, further promote the shielding effect of the device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a diagram showing the positional relationship between the air duct and the shielding box according to the present invention;

FIG. 3 is a cross-sectional view of an air chute of the present invention;

FIG. 4 is a cross-sectional view of a base of the present invention;

FIG. 5 is a diagram of the position relationship between the platen and the shield door of the present invention, wherein the platen is not pressing the shield door;

FIG. 6 is a diagram of the position of the platen and the shield door of the present invention, wherein the platen compresses the shield door.

In the figure: 1. a shielding box; 11. a contact switch; 12. a shield door; 2. an air duct; 21. an air inlet groove; 22. a fan blade; 23. a belt; 3. a base; 31. a belt pulley; 32. sector-shaped teeth; 33. a transmission gear; 34. a swing lever; 35. an on-off key; 4. a rotating shaft; 41. a damping shaft; 42. a trigger head; 43. a cam; 44. pressing a plate; 45. a rubber block.

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.

Referring to fig. 1-6, an electromagnetic shielding cabinet with an automatically locked cabinet door for a new generation of information technology includes a shielding box 1, a shielding door 12 is hinged to the outer side wall of the shielding box 1, an air duct 2 is fixedly connected to the inner side wall of the shielding box 1, air inlet slots 21 are respectively formed at both ends of the air duct 2, a fan blade 22 is rotatably connected to the inside of the air duct 2, a belt 23 is movably connected to a rotating shaft of the fan blade 22, a base 3 is fixedly connected to the bottom of the air duct 2, a belt pulley 31 is rotatably connected to the inside of the base 3, the rotating shaft of the belt pulley 31 is in transmission connection with an input shaft of the fan blade 22 through the belt 23, the belt pulley 31 is driven by the fan blade 22 through the belt 23 to rotate, a sector gear 32 is fixedly connected to the outer side wall of the belt pulley 31, a transmission gear 33 is engaged to the outer side wall of the sector gear 32, a swing lever 34 is fixedly connected to the outer side wall of the transmission gear 33, and an on-off switch 35 is fixedly connected to the inside of the base 3;

the front surface of the shielding box 1 is fixedly connected with a rotating shaft 4, the rotating shaft of the rotating shaft 4 is fixedly connected with a damping shaft 41, the rotating shaft 4 cannot easily rotate by arranging the damping shaft 41, the extrusion force applied to the shielding door 12 by a pressing plate 44 on the rotating shaft 4 is improved, the rotating shaft 4 is provided with two rotating shafts, the two rotating shafts 4 are symmetrically distributed according to the center line of the shielding box 1, the pressing plates 44 on the two rotating shafts 4 lock the upper end and the lower end of the shielding door 12, the outer side wall of the rotating shaft 4 is fixedly connected with a trigger head 42, the outer side wall of the trigger head 42 is connected with a cam 43 in a sliding manner, a contact switch 11 is fixedly connected inside the shielding box 1, the electrical output end of the contact switch 11 is electrically connected with the electrical input end of the cam 43 through a wire, the contact switch 11 controls the cam 43 to rotate, the electrical output end of the on-off switch 35 is electrically connected with the electrical input end of the cam 43 through a wire, the on-off switch 35 controls the cam 43 to rotate, the lateral wall of pivot 4 and the opposite side fixedly connected with clamp plate 44 of trigger head 42, the lateral wall of clamp plate 44 is close to the fixedly connected with block rubber 45 of position department of shield door 12, through setting up block rubber 45, makes block rubber 45 and shield door 12 contact, promotes the holding surface between clamp plate 44 and the shield door 12.

The working principle is as follows: when the shielding door 12 and the shielding box 1 are not tightly attached, because the temperature of the air in the shielding box 1 is higher than that of the outside air, the gap between the shielding door 12 and the shielding box 1 can generate air flow, the air flow passes through the air duct 2 in the shielding box 1, and the fan blade 22 in the air duct 2 is driven to rotate, the fan blade 22 drives the belt pulley 31 to rotate through the belt 23, the fan-shaped teeth 32 on the belt pulley 31 are continuously contacted with the transmission teeth 33, the fan-shaped teeth 32 drive the transmission teeth 33 to rotate for ninety degrees after rotating for multiple circles, the swinging rod 34 on the transmission teeth 33 is contacted with the on-off key 35, and the on-off key 35 is triggered, so that the device can automatically monitor whether the shielding door 12 is tightly closed, a worker can timely know the state of the shielding door 12, and the intelligence of the device is improved.

The structure and process are shown in fig. 1 to 4.

Meanwhile, when the on-off key 35 is triggered, the on-off key 35 controls the cam 43 to work, so that the cam 43 rotates ninety degrees counterclockwise, the cam 43 drives the trigger head 42 to swing to one side, the trigger head 42 drives the pressing plate 44 to contact with the shielding door 12 through the rotating shaft 4, the pressing plate 44 drives the shielding door 12 to move to one side of the shielding box 1, the pressing plate 44 automatically presses the shielding door 12 to the outer side of the shielding box 1, and the device can realize the automatic locking of the shielding door 12 and further improve the shielding effect of the device.

Please refer to fig. 1, fig. 5 and fig. 6 for the above structure and process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a new generation information technology is with electromagnetic shield rack of dead cabinet door of automatic lock, includes shielded cell (1), the lateral wall of shielded cell (1) articulates there is shielded door (12), its characterized in that: the inner side wall of the shielding box (1) is fixedly connected with an air duct (2), air inlet grooves (21) are formed in two ends of the air duct (2), fan blades (22) are rotatably connected to the inside of the air duct (2), a belt (23) is movably connected to a rotating shaft of each fan blade (22), a base (3) is fixedly connected to the bottom of the air duct (2), a belt pulley (31) is rotatably connected to the inside of the base (3), fan-shaped teeth (32) are fixedly connected to the outer side wall of each belt pulley (31), transmission teeth (33) are meshed with the outer side wall of each fan-shaped tooth (32), swing rods (34) are fixedly connected to the outer side wall of each transmission tooth (33), and on-off switches (35) are fixedly connected to the inside of the base (3);

the front surface fixedly connected with pivot (4) of shielded cell (1), lateral wall fixedly connected with of pivot (4) triggers head (42), the lateral wall sliding connection of triggering head (42) has cam (43), the lateral wall of pivot (4) with opposite side fixedly connected with clamp plate (44) of triggering head (42).

2. The electromagnetic shielding cabinet with the automatically locked cabinet door for the new generation information technology according to claim 1, wherein: the inner part of the shielding box (1) is fixedly connected with a contact switch (11), and the electrical output end of the contact switch (11) is electrically connected with the electrical input end of the cam (43) through a lead.

3. The electromagnetic shielding cabinet with the automatically locked cabinet door for the new generation information technology according to claim 1, wherein: the rotating shaft of the belt pulley (31) is in transmission connection with the input shaft of the fan blade (22) through the belt (23).

4. The electromagnetic shielding cabinet with the automatically locked cabinet door for the new generation information technology according to claim 1, wherein: and the electrical output end of the switch key (35) is electrically connected with the electrical input end of the cam (43) through a lead.

5. The electromagnetic shielding cabinet with the automatically locked cabinet door for the new generation information technology according to claim 1, wherein: the rotating shafts (4) are arranged in two, and the two rotating shafts (4) are symmetrically distributed with reference to the center line of the shielding box (1).

6. The electromagnetic shielding cabinet with the automatically locked cabinet door for the new generation information technology according to claim 1, wherein: and a damping shaft (41) is fixedly connected with a rotating shaft of the rotating shaft (4).

7. The electromagnetic shielding cabinet with the automatically locked cabinet door for the new generation information technology according to claim 1, wherein: the outer side wall of the pressure plate (44) is fixedly connected with a rubber block (45) at a position close to the shielding door (12).