CN111988977A - Electromagnetic shielding device of electronic communication equipment - Google Patents
Electromagnetic shielding device of electronic communication equipment Download PDFInfo
- Publication number
- CN111988977A CN111988977A CN202010934889.6A CN202010934889A CN111988977A CN 111988977 A CN111988977 A CN 111988977A CN 202010934889 A CN202010934889 A CN 202010934889A CN 111988977 A CN111988977 A CN 111988977A
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- shell
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- sliding block
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- 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
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/526—Electromagnetic shields
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses an electromagnetic shielding device of electronic communication equipment, which comprises a shell, wherein a cover plate is rotatably arranged at the upper end of the shell, a mounting plate is fixedly connected inside the shell, an organism and a cooling fan are arranged at the upper end of the mounting plate, a connecting shell is fixedly arranged on the inner side wall of the shell, a first cavity is arranged inside the connecting shell, evaporation liquid is arranged at the bottom in the first cavity, a first magnetic slide block is connected on the inner wall of the first cavity in a sealing and sliding manner, an exhaust hole matched with the first magnetic slide block is formed at the upper end of the connecting shell, and a sliding groove parallel to the first cavity is formed in the inner side wall of the shell, which is tightly attached to the connecting. The heat dissipation fan capable of adaptively adjusting the switch according to the temperature inside the shell is matched with the machine body for use, so that the heat dissipation effect is guaranteed, electric power can be saved, the shell is convenient and labor-saving to operate in the dismounting process, the maintenance and the cleaning of the inside of the shell are facilitated, and the use is more convenient.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to an electromagnetic shielding device of electronic communication equipment.
Background
When the electronic communication equipment works, the electronic communication equipment and the base station are connected through radio waves in a certain frequency range, and data and sound transmission is completed in a certain baud rate and a certain modulation mode. In view of this communication principle, electromagnetic shielding devices have been invented to prevent electronic communication equipment from detecting normal data transmitted from a base station, thereby preventing the electronic communication equipment from being connected to the base station. The most common use of electromagnetic shielding devices is in various normal examination places or meeting places.
The heat dissipation element of the existing electromagnetic shielding device usually continuously dissipates heat along with the work of the machine body, can not be self-adaptively adjusted according to the internal temperature of the machine body, and wastes more electric power; and because the electromagnetic shield device uses the inside accumulation body surface that can get into of some external dust by the ventilation hole on its casing surface, influences its self heat dissipation, consequently need often maintain the clearance to its inside and keep its shielding effect, its casing dismouting difficulty of current electromagnetic shield device leads to maintaining the inconvenient operation of clearance to its inside.
To this end, we propose an electromagnetic shielding device for electronic communication equipment.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides an electromagnetic shielding device of electronic communication equipment.
In order to achieve the purpose, the invention adopts the following technical scheme: an electromagnetic shielding device of electronic communication equipment comprises a shell, wherein a cover plate is rotatably arranged at the upper end of the shell, a mounting plate is fixedly connected inside the shell, an organism and a cooling fan are arranged at the upper end of the mounting plate, a connecting shell is fixedly arranged on the inner side wall of the shell, a first cavity is arranged inside the connecting shell, evaporation liquid is arranged at the bottom in the first cavity, a first magnetic slider is connected on the inner wall of the first cavity in a sealing and sliding manner, an exhaust hole matched with the first magnetic slider for use is formed in the upper end of the connecting shell, a sliding chute parallel to the first cavity is formed in the inner side wall of the shell tightly attached to the connecting shell, a second magnetic slider is connected inside the sliding chute in a sliding manner, the position of the second magnetic slider corresponds to the position of the first magnetic slider and is mutually attracted, an ejector rod is fixedly connected at the upper end of the second magnetic slider, install on the mounting groove inner wall with radiator fan electric connection's the switch that dabs, be located it still a plurality of first springs of fixedly connected with on the mounting groove inner wall of dabbing the switch both sides, the common rigid coupling of right-hand member of first spring has the wedge, the plane end of wedge does not just with dabbing the switch contact, the upper end of ejector pin just contacts with the inclined plane end minimum of wedge, still be equipped with block mechanism between apron and casing.
In the electromagnetic shielding device for electronic communication equipment, the clamping mechanism comprises a second cavity arranged in the front end of the cover plate, the side wall of the second cavity is connected with a first sliding block and a second sliding block in a penetrating and sliding manner, the inside of the second cavity is also connected with a transmission plate in a vertical sliding manner, the surface of the transmission plate is provided with a first combination groove and a second combination groove, the side walls of the first sliding block and the second sliding block, which are positioned at one end in the second cavity, are respectively welded with a transmission block, the two transmission blocks are respectively connected with the first combination groove and the second combination groove on the transmission plate in a sliding manner, one ends of the first sliding block and the second sliding block, which are positioned in the second cavity, are respectively and fixedly connected with a first fixed shaft and a second fixed shaft, one end of the first fixed shaft, which is far away from the first sliding block, is connected with a clamping block in, the utility model discloses a fixed shaft, including casing, first fixed axle, second fixed axle, first sliding block, second cavity lateral wall, first connecting block, second connecting block, rectangle through-hole, and second connecting block be located rectangle through-hole and rectangle through-hole lateral wall sliding connection, first connecting block and second connecting block are connected with a third spring still, the draw-in groove that a cooperation fixture block used is seted up to correspondence on the lateral wall of casing, the telescopic hole that cooperation second fixed axle used still has been seted up on the second cavity inner wall, and the second spring overlaps respectively and establish the outside at first fixed axle and second fixed axle, it has a first connecting block still to weld on the driving plate, it has a second connecting block still to weld on the second cavity inner wall, still seted up a rectangle through-hole on the driving plate, and the.
In the electromagnetic shielding device for electronic communication equipment, the first combining groove is formed by communicating a first trapezoid groove and an L-shaped groove, the first trapezoid groove is positioned on the surface of the transmission plate, the second combining groove is formed by communicating a second trapezoid groove and a rectangular groove, and the second trapezoid groove is positioned on the surface of the transmission plate.
In the electromagnetic shielding device for electronic communication equipment, one end of each of the first sliding block and the second sliding block, which is located outside the second cavity, is welded with one pressing block.
In the electromagnetic shielding apparatus for electronic communication equipment, the first spring, the second spring and the third spring are all return springs made of stainless steel.
In the electromagnetic shielding device for electronic communication equipment, the evaporating solution is chloroform, and the boiling point of the evaporating solution is 60 ℃.
Compared with the prior art, the electromagnetic shielding device of the electronic communication equipment has the advantages that: the heat dissipation fan which can self-adaptively adjust the switch according to the temperature in the shell is matched with the machine body for use, so that the heat dissipation effect is ensured, and meanwhile, the electric power can be saved; can carry out the switch to the casing through pressing first sliding block and second sliding block to be convenient for maintain the clearance to casing inside, it is more convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of an electromagnetic shielding apparatus for electronic communication equipment according to the present invention;
fig. 2 is an enlarged schematic structural view of a connecting shell part in an electromagnetic shielding apparatus for electronic communication equipment according to the present invention;
FIG. 3 is an enlarged view of the structure of portion A in FIG. 2;
FIG. 4 is an enlarged view of the structure of part B in FIG. 1;
fig. 5 is a schematic structural diagram of a transmission plate portion in an electromagnetic shielding apparatus for electronic communication equipment according to the present invention.
In the figure: the device comprises a shell 1, a cover plate 2, a mounting plate 3, a machine body 4, a heat radiation fan 5, a connecting shell 6, a first cavity 7, evaporated liquid 8, a first magnetic slider 9, an exhaust hole 10, a sliding groove 11, a second magnetic slider 12, a push rod 13, a mounting groove 14, a tact switch 15, a first spring 16, a wedge-shaped block 17, a first sliding block 18, a second sliding block 19, a transmission plate 20, a first combination groove 21, a second combination groove 22, a transmission block 23, a first fixing shaft 24, a second fixing shaft 25, a clamping block 26, a clamping groove 27, a telescopic hole 28, a second spring 29, a first connecting block 30, a second connecting block 31, a rectangular through hole 32, a third spring 33 and a pressing block 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.
Referring to fig. 1-5, an electromagnetic shielding device for electronic communication equipment comprises a housing 1, a cover plate 2 is rotatably arranged at the upper end of the housing, a mounting plate 3 is fixedly connected inside the housing 1, a organism 4 and a cooling fan 5 are arranged at the upper end of the mounting plate 3, a connecting housing 6 is fixedly arranged on the inner side wall of the housing 1, a first cavity 7 is arranged inside the connecting housing 6, an evaporation liquid 8 is arranged at the bottom inside the first cavity 7, the evaporation liquid 8 is chloroform with a boiling point of 60 ℃, a first magnetic slider 9 is hermetically and slidably connected to the inner wall of the first cavity 7, an exhaust hole 10 matched with the first magnetic slider 9 is arranged at the upper end of the connecting housing 6, a chute 11 parallel to the first cavity 7 is arranged on the inner side wall of the housing 1 closely attached to the connecting housing 6, a second magnetic slider 12 is slidably connected inside the chute 11, and the position of the second magnetic slider 12 corresponds to the position of, an ejector rod 13 is fixedly connected to the upper end of the second magnetic slider 12, an installation groove 14 is further formed in the inner wall of the upper end of the sliding groove 11, a touch switch 15 electrically connected with the cooling fan 5 is installed on the inner wall of the installation groove 14, a plurality of first springs 16 are fixedly connected to the inner walls of the installation groove 14 located on two sides of the touch switch 15, wedge blocks 17 are fixedly connected to the right ends of the first springs 16 together, the plane ends of the wedge blocks 17 are not in contact with the touch switch 15, and the upper end of the ejector rod 13 is in contact with the lowest point of the inclined plane end of each wedge block 17;
a clamping mechanism is arranged between the cover plate 2 and the shell 1, the clamping mechanism comprises a second cavity body arranged in the front end of the cover plate 2, the side wall of the second cavity body is connected with a first sliding block 18 and a second sliding block 19 in a penetrating and sliding manner, the inside of the second cavity body is also connected with a transmission plate 20 in a vertical sliding manner, the surface of the transmission plate 20 is provided with a first combination groove 21 and a second combination groove 22, wherein the first combination groove 21 is formed by communicating a first trapezoidal groove and an L-shaped groove, the first trapezoidal groove is positioned on the surface of the transmission plate 20, the second combination groove 22 is formed by communicating a second trapezoidal groove and a rectangular groove, the second trapezoidal groove is positioned on the surface of the transmission plate 20, the side walls of the first sliding block 18 and the second sliding block 19 which are positioned at one end inside the second cavity are respectively welded with a transmission block 23, and the two transmission blocks 23 are respectively in sliding connection with the first combination groove 21 and the second combination groove 22 on the transmission plate 20; one ends of the first sliding block 18 and the second sliding block 19, which are positioned outside the second cavity, are welded with a pressing block 34, so that the first sliding block 18 and the second sliding block 19 can be pressed more conveniently;
one end of the first sliding block 18 and one end of the second sliding block 19, which are positioned inside the second cavity, are fixedly connected with a first fixing shaft 24 and a second fixing shaft 25 respectively, one end of the first fixing shaft 24, which is far away from the first sliding block 18, penetrates through the second cavity and is welded with a clamping block 26, the outer side wall of the shell 1 is correspondingly provided with a clamping groove 27 matched with the clamping block 26 for use, the inner wall of the second cavity is also provided with a telescopic hole 28 matched with the second fixing shaft 25 for use, the bottom ends of the first sliding block 18 and the second sliding block 19 and the side wall of the second cavity are fixedly connected with a second spring 29, the second spring 29 is respectively sleeved outside the first fixing shaft 24 and the second fixing shaft 25, the transmission plate 20 is also welded with a first connecting block 30, the inner wall of the second cavity is also welded with a second connecting block 31, the transmission plate 20 is also provided with a rectangular through hole 32, and the second connecting block 31 is positioned, a third spring 33 is fixedly connected between the first connecting block 30 and the second connecting block 31; the first spring 16, the second spring 29 and the third spring 33 are all reset springs made of stainless steel, the elastic effect of the reset springs is more durable and stable, the stainless steel is better in corrosion resistance, and the service life is longer.
In the invention, when the working temperature of the machine body 4 in the shell 1 is in a normal range, the evaporated liquid 8 is in a liquid state, at the moment, the first magnetic slider 9 and the second magnetic slider 12 are maintained at the same height under the action of adsorption force, the upper end of the ejector rod 13 is just in contact with the lowest point of the inclined plane end of the wedge-shaped block 17 and has no abutting force, the plane end of the wedge-shaped block 17 is just in contact with the light touch switch 15 and has no pressing force, and the cooling fan 5 is in a power-off state; when the heat dissipation capacity of the machine body 4 in the shell 1 is increased during working, so that the temperature in the shell 1 is higher, the evaporation liquid 8 in the connecting shell 6 is evaporated and vaporized, the first magnetic slider 9 slides upwards along the inner wall of the first cavity 7 under the pushing action of steam, and as the second magnetic slider 12 and the first magnetic slider 9 are mutually attracted, the sliding of the first magnetic slider 9 can drive the second magnetic slider 12 to slide upwards along the sliding groove 11, so that the ejector rod 13 pushes the inclined end of the wedge-shaped block 17, the wedge-shaped block 17 slides towards the mounting groove 14, and the light-touch switch 15 is pressed to electrify the heat dissipation fan 5 to perform air cooling heat dissipation on the machine body 4; after the temperature in the shell 1 returns to normal, the evaporated liquid 8 is liquefied again, the first magnetic slide block 9 is not pushed by steam any more, under the action of the self gravity of the ejector rod 13, the second magnetic slide block 12 and the first magnetic slide block 9 and the action of the reset force of the first spring 16 on the wedge-shaped block 17, the ejector rod 13, the second magnetic slide block 12 and the first magnetic slide block 9 can be automatically reset, the tact switch 15 is not pressed any more, the cooling fan 5 is also automatically turned off after power failure, and electric power is saved;
pressing the first sliding block 18 to make the driving block 23 on the first sliding block 18 supported by the L-shaped groove of the first combination groove 21, and the locking block 26 at the top end of the first fixed shaft 24 can be locked into the locking groove 27 on the outer side wall of the housing 1 to keep the cover plate 2 closed; pressing down second sliding block 19, the second dovetail groove cell wall that transmission block 23 on the second sliding block 19 followed second composite groove 22 slides upwards to promote driving plate 20, and the L-shaped groove that transmission block 23 on the first sliding block 18 can break away from first composite groove 21 is supported and is established, and first sliding block 18 is moved by outside top under the restoring force effect of second spring 29, and fixture block 26 can break away from draw-in groove 27, can open apron 2 this moment and maintain the clearance to casing 1 inside, and the simple operation is laborsaving.
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 (6)
1. An electromagnetic shielding device of electronic communication equipment comprises a shell (1) and is characterized in that a cover plate (2) is arranged on the upper end of the shell in a rotating mode, a mounting plate (3) is fixedly connected inside the shell (1), an organism (4) and a cooling fan (5) are mounted on the upper end of the mounting plate (3), a connecting shell (6) is fixedly arranged on the inner side wall of the shell (1), a first cavity (7) is arranged inside the connecting shell (6), an evaporating liquid (8) is arranged at the bottom inside the first cavity (7), a first magnetic slide block (9) is connected on the inner wall of the first cavity (7) in a sealing and sliding mode, an exhaust hole (10) used by matching with the first magnetic slide block (9) is formed in the upper end of the connecting shell (6), a sliding groove (11) parallel to the first cavity (7) is formed in the inner side wall of the shell (1) tightly attached to, the inside sliding connection of spout (11) has second magnetic slide block (12), the position of second magnetic slide block (12) and the position of first magnetic slide block (9) are corresponding and attract each other, second magnetic slide block (12) upper end rigid coupling has ejector pin (13), still set up mounting groove (14) on the upper end inner wall of spout (11), install on mounting groove (14) inner wall and heat-dissipating fan (5) electric connection's light touch switch (15), be located still fixedly connected with a plurality of first springs (16) on mounting groove (14) inner wall of light touch switch (15) both sides, the common rigid coupling of right-hand member of first spring (16) has wedge (17), the plane end of wedge (17) does not just contact with light touch switch (15), the upper end of ejector pin (13) just contacts with the inclined plane end minimum point of wedge (17), a clamping mechanism is also arranged between the cover plate (2) and the shell (1).
2. The electromagnetic shielding device of claim 1, wherein the engaging mechanism includes a second cavity formed in the front end of the cover plate (2), a first sliding block (18) and a second sliding block (19) are slidably connected to the side wall of the second cavity through a through hole, a driving plate (20) is further slidably connected to the inside of the second cavity in a vertical direction, a first combination groove (21) and a second combination groove (22) are formed in the surface of the driving plate (20), a driving block (23) is welded to the side wall of one end of the first sliding block (18) and the side wall of one end of the second cavity of the second sliding block (19), the two driving blocks (23) are slidably connected to the first combination groove (21) and the second combination groove (22) of the driving plate (20), and a first fixing shaft (24) is fixedly connected to one end of the first sliding block (18) and one end of the second sliding block (19) in the second cavity of the first sliding block (18) and the second sliding block (19) respectively ) And a second fixed shaft (25), one end of the first fixed shaft (24) far away from the first sliding block (18) penetrates through the second cavity and is welded with a clamping block (26), the outer side wall of the shell (1) is correspondingly provided with a clamping groove (27) matched with the clamping block (26) for use, the inner wall of the second cavity is further provided with a telescopic hole (28) matched with the second fixed shaft (25) for use, the bottom ends of the first sliding block (18) and the second sliding block (19) and the side wall of the second cavity are fixedly connected with a second spring (29), the second spring (29) is respectively sleeved outside the first fixed shaft (24) and the second fixed shaft (25), the transmission plate (20) is further welded with a first connecting block (30), the inner wall of the second cavity is further welded with a second connecting block (31), the transmission plate (20) is further provided with a rectangular through hole (32), and the second connecting block (31) is positioned in the rectangular through hole (32) and is in sliding connection with the side wall of the rectangular through hole (32), and a third spring (33) is fixedly connected between the first connecting block (30) and the second connecting block (31).
3. The electromagnetic shielding device for electronic communication equipment according to claim 2, wherein the first combination groove (21) is formed by communicating a first trapezoid groove and an L-shaped groove, the first trapezoid groove is located on the surface of the transmission plate (20), the second combination groove (22) is formed by communicating a second trapezoid groove and a rectangular groove, and the second trapezoid groove is located on the surface of the transmission plate (20).
4. An electromagnetic shielding device for electronic communication equipment according to claim 2, wherein one pressing block (34) is welded to each of the ends of the first sliding block (18) and the second sliding block (19) located outside the second cavity.
5. An electromagnetic shielding device for electronic communication equipment according to claim 2, wherein the first spring (16), the second spring (29) and the third spring (33) are all return springs made of stainless steel.
6. Electromagnetic shielding device according to claim 1, wherein said evaporant (8) is chloroform with a boiling point of 60 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010934889.6A CN111988977A (en) | 2020-09-08 | 2020-09-08 | Electromagnetic shielding device of electronic communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010934889.6A CN111988977A (en) | 2020-09-08 | 2020-09-08 | Electromagnetic shielding device of electronic communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111988977A true CN111988977A (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010934889.6A Pending CN111988977A (en) | 2020-09-08 | 2020-09-08 | Electromagnetic shielding device of electronic communication equipment |
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| CN (1) | CN111988977A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114401456A (en) * | 2021-12-24 | 2022-04-26 | 史千千 | Communication exchange terminal |
| CN117526588A (en) * | 2024-01-05 | 2024-02-06 | 内蒙古工业大学 | Electromagnetic shielding device for wireless power transmission |
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| CN207782820U (en) * | 2018-02-27 | 2018-08-28 | 江西农业大学 | A kind of electronic communication equipment electromagnetic screen |
| CN108513178A (en) * | 2018-05-02 | 2018-09-07 | 南京优米亚信息科技有限公司 | A kind of high-cooling property shell of wireless bridge |
| CN110602000A (en) * | 2019-09-02 | 2019-12-20 | 李秀 | High-efficient heat dissipation type ethernet switch |
| CN210430514U (en) * | 2019-09-24 | 2020-04-28 | 沈阳市三新电控通讯设备厂 | Electric power cabinet that heat dispersion is good |
| CN111543761A (en) * | 2020-06-05 | 2020-08-18 | 国家电网有限公司 | Handheld portable device for large data application of power grid |
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2020
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207782820U (en) * | 2018-02-27 | 2018-08-28 | 江西农业大学 | A kind of electronic communication equipment electromagnetic screen |
| CN108513178A (en) * | 2018-05-02 | 2018-09-07 | 南京优米亚信息科技有限公司 | A kind of high-cooling property shell of wireless bridge |
| CN110602000A (en) * | 2019-09-02 | 2019-12-20 | 李秀 | High-efficient heat dissipation type ethernet switch |
| CN210430514U (en) * | 2019-09-24 | 2020-04-28 | 沈阳市三新电控通讯设备厂 | Electric power cabinet that heat dispersion is good |
| CN111543761A (en) * | 2020-06-05 | 2020-08-18 | 国家电网有限公司 | Handheld portable device for large data application of power grid |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114401456A (en) * | 2021-12-24 | 2022-04-26 | 史千千 | Communication exchange terminal |
| CN117526588A (en) * | 2024-01-05 | 2024-02-06 | 内蒙古工业大学 | Electromagnetic shielding device for wireless power transmission |
| CN117526588B (en) * | 2024-01-05 | 2024-03-26 | 内蒙古工业大学 | Electromagnetic shielding device for wireless power transmission |
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Application publication date: 20201124 |
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