CN114553286A - Repeater for computer local area network - Google Patents
Repeater for computer local area network Download PDFInfo
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- CN114553286A CN114553286A CN202210130345.3A CN202210130345A CN114553286A CN 114553286 A CN114553286 A CN 114553286A CN 202210130345 A CN202210130345 A CN 202210130345A CN 114553286 A CN114553286 A CN 114553286A
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- repeater
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- air guide
- shell
- fire alarm
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 10
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 239000000779 smoke Substances 0.000 description 22
- 230000000694 effects Effects 0.000 description 6
- 230000035484 reaction time Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15507—Relay station based processing for cell extension or control of coverage area
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/035—Cooling of active equipments, e.g. air ducts
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/08—Frames or mounting racks for relays; Accessories therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fire Alarms (AREA)
Abstract
The invention belongs to the technical field of repeaters, in particular to a repeater for a computer local area network, which improves the problem of poor signal transmission quality of the repeater caused by the possibility that signals are blocked by various obstacles on the ground when the repeater is used by symmetrically distributing a repeater main body and a fire alarm main body in a fixed assembly and installing the repeater main body at the indoor top end, accelerates the flow of air flow in the fixed assembly by installing an air guide assembly in the fixed assembly and continuously guiding the air flow from the outside of a shell to the inside of the fixed assembly by utilizing the air guide assembly, improves the volume of gas detected by the fire alarm main body in unit time while realizing the heat dissipation of the repeater main body, further changes the installation position of the repeater main body, improves the signal transmission quality of the repeater main body at the top end of a roof, and simultaneously enhances the capability of the fire alarm main body for monitoring fire in time, compact structure, it is convenient to install, accords with people's clean and tidy demand to indoor environment at present.
Description
Technical Field
The invention belongs to the technical field of repeaters, and particularly relates to a repeater for a computer local area network.
Background
The repeater is a connection device working on a physical layer, is suitable for interconnection of two identical networks, and has the functions of regenerating and sending a received signal under the environment of a local area network, so that the signal transmission distance is increased, the functions of copying, adjusting and amplifying the signal are completed, the coverage range of the network is increased, and the repeater is widely applied to numerous occasions such as enterprise offices, hotel rooms, conference shows and the like.
However, the existing smoke-sensitive fire alarm is generally installed at a higher position, such as the indoor top end, the air flow speed at the indoor top end is low, smoke cannot be sensed in time when a fire occurs, the reaction time is long, the fire behavior may be out of control after an alarm is sounded, and meanwhile, the repeater is generally placed on the ground or a table top or is directly inserted into a socket when used, so that in the process of transmitting signals, the signals are blocked by a plurality of obstacles on the ground, and the quality of the signals transmitted by the repeater is poor.
In view of the above, in order to overcome the above technical problems, the present invention provides a computer local area network repeater, which solves the above technical problems.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides a repeater for a computer local area network, which solves the problems that the existing smoke-sensitive fire alarm is generally arranged at a higher position, such as the top end of a room, the air flow speed of the top end of the room is low, the smoke-sensitive fire alarm cannot sense smoke in time when a fire occurs, the reaction time is long, the fire behavior possibly becomes out of control after an alarm sound is sounded, and meanwhile, the repeater is generally placed on the ground or a table top or is directly inserted into a socket when in use, so that signals can be blocked by a plurality of obstacles on the ground in the signal transmission process of the repeater, and the quality of signals transmitted by the repeater is poor.
The invention provides a computer local area network repeater, comprising:
fixing the assembly: the fixed assembly is internally provided with a repeater main body and a fire alarm main body and is used for fixing the repeater main body and the fire alarm main body.
An air guide assembly; the air guide assembly is positioned in the fixing assembly and used for guiding air flow into the fixing assembly.
The repeater main part with the fire alarm main part all is the semicircle annulus, the repeater main part with the fire alarm main part symmetry is installed inside fixed subassembly.
Preferably, the fixing assembly comprises a shell and an end cover, the shell is in a step shape, the upper surface of the upper end of the shell is fixedly connected with the lower surface of the end cover
Preferably, the air guide assembly comprises an air guide fan, an air guide chamber, a first air guide pipe and a second air guide pipe which are communicated with the air guide chamber; the air guide fan is positioned at the lower end of the air guide chamber.
Preferably, the outer surface of the upper end of the shell is provided with a heat dissipation opening, and the opening of the heat dissipation opening is inclined downwards.
Preferably, the bottom of the outer surface of the upper end of the shell is provided with an antenna and a buzzer.
Preferably, the diameter of the lower end of the shell is smaller than that of the upper end of the shell, an air guide chamber is arranged inside the upper end of the shell, and an air guide fan is arranged inside the lower end of the shell.
Preferably, one end of the first air duct is communicated with the repeater main body;
one end of the second air duct is communicated with the smoke sensing fire alarm.
Preferably, the lower end of the shell is in threaded connection with the sound-proof housing.
Preferably, the upper end of the sound-proof cover is provided with an air guide hole.
Preferably, the sound-proof cover is spherical and the inner surface is bonded with honeycomb sound-absorbing cotton.
The invention has the following beneficial effects:
the invention relates to a repeater for a computer local area network, which improves the problem of poor signal transmission quality of the repeater caused by the fact that signals are possibly blocked by various obstacles on the ground when the repeater is used by symmetrically distributing the repeater main body and a fire alarm main body in a fixed assembly and installing the repeater main body at the top end of a room, and in addition, the air guide assembly is arranged in the fixed assembly, and airflow is continuously introduced from the outside of a shell to the inside of the fixed assembly by utilizing the air guide assembly, thereby accelerating the flow of the airflow in the fixed assembly, realizing the heat dissipation of the repeater main body, simultaneously improving the gas volume detected by the fire alarm main body in unit time, further changing the installation position of the repeater main body, improving the signal transmission quality of the repeater main body at the top end of a roof, simultaneously enhancing the capability of the fire alarm main body for timely monitoring fire, having compact structure and convenient installation, the requirement of people for indoor environment tidiness is met.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic bottom view of the present invention;
FIG. 2 is a schematic view of the overall top view of the present invention;
FIG. 3 is a perspective view of the main structure of the present invention;
FIG. 4 is a bottom view of the body construction of the present invention;
FIG. 5 is a top view of the main body structure of the present invention;
FIG. 6 is a perspective view of the sound enclosure of the present invention;
in the figure: the fire alarm device comprises a fixing component, a shell 11, a cover body 12, a repeater main body 13, a fire alarm device main body 14, a heat dissipation opening 111, an antenna 112, a buzzer 113, a crystal head jack 121, a power line 122, an air guide component, an air guide fan 21, an air guide chamber 22, a first air guide pipe 23, a second air guide pipe 24, a sound-proof cover 3, an air guide hole 31 and honeycomb sound-absorbing cotton 32.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but 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.
The embodiment of the invention provides a repeater for a computer local area network, which solves the problems that the existing smoke-sensitive fire alarm is generally arranged at a higher position, such as the top end of a room, the air flow speed of the top end of the room is low, the smoke-sensitive fire alarm cannot sense smoke in time when a fire occurs, the reaction time is long, the fire behavior possibly becomes out of control after an alarm sound is sounded, and meanwhile, the repeater is generally placed on the ground or a table top or is directly inserted into a socket when in use, so that signals can be blocked by a plurality of obstacles on the ground in the signal transmission process of the repeater, and the quality of signals transmitted by the repeater is poor.
In order to solve the technical problems, the technical scheme in the embodiment of the invention has the following general idea: the repeater main body 13 and the fire alarm main body 14 are symmetrically distributed in the fixing component and are installed at the top of a roof, the installation position of a traditional repeater is changed, the signal transmission quality of the repeater main body 13 is improved, meanwhile, the air guide component is arranged in the fixing component, air flow is continuously led into the fixing component from outside by the air guide component, the heat dissipation of the repeater main body 13 is realized, and the gas volume detected in unit time by the fire alarm main body 14 is improved;
in order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The invention provides a computer local area network repeater, comprising:
fixing the assembly: the fixed component is internally provided with a repeater main body 13 and a fire alarm main body 14 and is used for fixing the repeater main body 13 and the fire alarm main body 14.
An air guide assembly; the air guide assembly is positioned in the fixing assembly and used for guiding air flow into the fixing assembly.
The repeater main body 13 and the fire alarm main body 14 are both semi-annular, and the repeater main body 13 and the fire alarm main body 14 are fixedly and symmetrically arranged inside a fixed component.
Smoke-sensitive fire alarms are typically installed at higher locations, such as indoor roofs;
when the repeater is used, the repeater is generally placed on the ground or a desktop or is directly plugged into a socket;
the fire alarm main body 14 and the repeater main body 13 are designed into semi-rings and are fixedly and symmetrically arranged in the shell 11, so that the positions of the repeater main body 13 and the fire alarm main body 14 are fixed by the fixing component to form a whole, the repeater main body 13 and the fire alarm main body 14 are conveniently and jointly arranged at the top end of a house by the fixing component, the higher space advantage of the installation position of the smoke sensor in real life is utilized, the occupied ground space is reduced, meanwhile, the influence of ground obstacles on repeater signal transmission is avoided, the transmission quality of signals transmitted by the repeater main body 13 is improved, and meanwhile, the semi-ring design of the fire alarm main body 14 and the repeater main body 13 can enable the fixing component to be compact in structure and not occupy too large installation space;
the air guide assembly is arranged in the fixing assembly, airflow can be continuously introduced from the outside of the fixing assembly to the inside of the fixing assembly, the flowing speed of the airflow in the fixing assembly is increased, the heat dissipation of the repeater main body 13 arranged in the fixing assembly is facilitated, and meanwhile, the gas volume detected by the fire alarm main body 14 in unit time is increased due to the continuously introduced airflow, so that the fire alarm can early monitor smoke dust in the air, and the capability of the smoke-sensitive fire alarm for timely monitoring fire is improved;
compared with the existing smoke-sensitive fire alarm, the smoke-sensitive fire alarm is generally arranged at a higher position, such as the indoor top end, the air flow speed at the indoor top end is low, smoke cannot be sensed in time when a fire occurs, the reaction time is long, the fire is out of control after an alarm is sounded, and meanwhile, the repeater is generally placed on the ground or a table top or directly inserted into a socket when used, so that the signal is blocked by a plurality of obstacles on the ground in the signal transmission process of the repeater, and the signal transmission quality of the repeater is poor;
according to the invention, the fire alarm main body 14 and the repeater main body 13 are arranged in the fixing component, so that the installation position of the repeater main body 13 is changed, the signal transmission quality of the repeater is improved, and the heat dissipation of the repeater main body 13 and the capability of the fire alarm main body 14 for monitoring fire are realized by utilizing the function of leading air flow into the air guide component.
As a specific embodiment of the present invention, the fixing assembly includes: the shell 11 is in a step shape, and the upper surface of the upper end of the shell 11 is fixedly connected with the lower surface of the end cover 12;
the fixing assembly comprises a shell 11 and an end cover 12, the shell 11 is in a step shape, the upper surface of the upper end of the shell 11 is fixedly connected with the lower surface of the end cover 12, the shell 11 is in the step shape, so that the occupied space of the shell 11 is reduced, the lower surface of the end cover 12 is fixedly connected with the upper surface of the upper end of the shell 11, the shell 11 and the end cover 12 can be fixedly installed at the top end of a roof, and the shell 11 can be sealed to enable the shell 11 to achieve a dustproof effect.
As a specific embodiment of the present invention, the air guide assembly includes an air guide fan 21, an air guide chamber 22, and a first air guide tube 23 and a second air guide tube 24 communicated with the air guide chamber 22; the air guide fan 21 is positioned at the lower end of the air guide chamber 22;
the air guide chamber 22 is arranged in the upper end of the shell 11, the lower end of the air guide chamber 22 is provided with an air guide fan 21, the front end of the air guide chamber 22 is provided with a first air guide pipe 23, the rear end of the air guide chamber 22 is provided with a second air guide pipe 24, and the first air guide pipe 23 and the second air guide pipe 24 are communicated with the air guide chamber 22;
when the air guide fan 21 rotates, air is sucked from the outside and blown to the air guide chamber 22 from the lower end, the air is gathered in the air guide chamber 22, and is input to the top end of the shell 11 through a first air guide pipe 23 arranged at the front end of the air guide chamber 22 and a second air guide pipe 24 arranged at the rear end of the air guide chamber, so that heat in the air around the repeater main body 13 is taken away, and the heat dissipation effect on the repeater main body 13 is realized;
meanwhile, the continuously introduced airflow is detected by the fire alarm main body 14, so that the gas volume detected by the fire alarm main body 14 in unit time is increased, and the capability of the fire alarm main body 14 for monitoring fire is improved.
As a specific embodiment of the present invention, the outer surface of the upper end of the housing 11 is provided with a heat dissipating port 111, and the opening of the heat dissipating port 111 is inclined downward;
the outer surface of the upper end of the shell 11 is provided with a heat dissipation port 111, the opening of the heat dissipation port 111 is inclined downwards, when the gas gathered in the gas guide chamber 22 reaches the upper end of the shell 11 through the transmission of the first gas guide tube 23 and the second gas guide tube 24 to realize the heat dissipation of the repeater main body 13, the gas with heat is discharged from the heat dissipation port 111 at the upper end of the shell 11, so that the heat dissipation effect of the repeater main body 13 is realized;
in addition, the opening of the heat dissipation opening 111 is inclined downwards, so that dust in the air is prevented from depositing into the shell 11 when the shell 11 is in static installation, and the dustproof effect of the shell 11 is achieved.
In an embodiment of the present invention, an antenna 112 and a buzzer 113 are disposed on the bottom of the outer surface of the upper end of the housing 11.
An antenna 112 is arranged at the bottom of the outer surface of the upper end of the shell 11 and the position part corresponding to the repeater main body 13, a buzzer 113 is arranged at the bottom of the outer surface of the upper end of the shell 11 and the position part corresponding to the smoke-sensitive fire alarm 14, and when the repeater main body 13 is connected with a network and powered on, the functions of copying, adjusting and amplifying signals are realized through the antenna 112;
when the fire alarm main body 14 is energized, the buzzer 113 gives an alarm to the outside when the smoke concentration in the air is detected to be too high.
As a specific embodiment of the present invention, the diameter of the lower end of the casing 11 is smaller than the diameter of the upper end of the casing 11, an air guide chamber 22 is arranged inside the upper end of the casing 11, and an air guide fan 21 is arranged inside the lower end of the casing 11;
the diameter of the lower end of the shell 11 is smaller than that of the upper end of the shell 11, the air guide chamber 22 is arranged inside the upper end of the shell 11, the air guide fan 21 is arranged inside the lower end of the shell 11, the diameter of the lower end of the shell 11 is smaller than that of the upper end of the shell 11, occupied space can be reduced when the air guide chamber 22 and the air guide fan 21 of the shell 11 are installed, the structure is compact, and the flow rate of air inside the shell 11 is improved.
As a specific embodiment of the present invention,
one end of the first air duct 23 is communicated with the repeater main body 13;
one end of the second air duct 24 is communicated with the fire alarm main body 14;
the gas in the gas guide chamber 22 enters the interior of the repeater main body 13 communicated with the first gas guide tube 23 through the first gas guide tube 23, and the heat is taken away by utilizing the gas flow in the interior of the repeater main body 13, so that the heat dissipation capacity of the repeater main body 13 is improved;
meanwhile, the gas in the gas guide chamber 22 enters the interior of the fire alarm main body 14 communicated with the second gas guide pipe 24 through the second gas guide pipe 24, so that smoke sensing of the fire alarm main body 14 is facilitated, the gas volume detected by the fire alarm main body 14 in unit time is improved, and the capability of monitoring fire of the fire alarm main body 14 is further improved.
In one embodiment of the present invention, the lower end of the housing 11 is screwed with the soundproof cover 3;
the lower end of the shell 11 is in threaded connection with the sound-proof housing 3, when the air guide fan 21 works in a power-on mode, light noise can be generated, noise transmitted to the outside when the air guide fan 21 works can be reduced through sound insulation of the sound-proof housing 3, and interference on normal life or work of personnel is reduced; the sound-proof housing 3 in threaded connection with the lower end of the shell 11 can be conveniently mounted or dismounted on the sound-proof housing 3, and later-stage maintenance is facilitated.
As a specific embodiment of the present invention, the sound-proof cover 3 is provided with an air vent 31 at the upper end;
when the air guide fan 21 is powered on, the external air needs to be sucked into the air guide chamber 22, and the air guide hole 31 is formed in the upper end of the soundproof cover 3, so that the external air can be sucked into the air guide chamber 22 from the air guide hole 31 when the air guide fan 21 is powered on, and the air guide fan 21 is ensured to have enough air flow suction.
In one embodiment of the present invention, the soundproof cover 3 has a spherical shape and has a honeycomb sound absorbing cotton 32 bonded to an inner surface thereof;
the sound-proof housing 3 is spherical and the internal surface is bonded with the cellular sound-absorbing cotton 32, forms a closed sound-proof space at the lower end of the shell 11, and further improves the sound-proof effect of the sound-proof housing 3 by utilizing the capability of the cellular sound-absorbing cotton 32 for absorbing good noise.
The working principle is as follows: the fire alarm main body 14 and the repeater main body 13 are designed into semi-rings and are fixedly and symmetrically arranged in the shell 11, so that the positions of the repeater main body 13 and the fire alarm main body 14 are fixed by the fixing component to form a whole, the repeater main body 13 and the fire alarm main body 14 are conveniently and jointly arranged at the top end of a house by the fixing component, the higher space advantage of the installation position of the smoke sensor in real life is utilized, the influence of ground obstacles on repeater signal transmission is avoided while the occupied ground space is reduced, the transmission quality of signals transmitted by the repeater main body 13 is improved, and meanwhile, the structure of the fixing component can be compact due to the semi-ring design of the fire alarm main body 14 and the repeater main body 13, and too large installation space cannot be occupied;
the air guide assembly is installed inside the fixed assembly, and can continuously guide air flow from the outside of the fixed assembly to the inside of the fixed assembly, so that the flowing speed of the air flow in the fixed assembly is increased, the repeater main body 13 installed in the fixed assembly is conveniently cooled, meanwhile, the gas volume detected by the fire alarm main body 14 in unit time is also increased by the aid of the continuously guided air flow, smoke dust in air can be early monitored by the fire alarm, and the capability of timely monitoring fire by the smoke fire alarm is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A repeater for a computer local area network, comprising: the method comprises the following steps:
fixing the assembly: a repeater main body (13) and a fire alarm main body (14) are arranged in the fixing component, and the fixing component is used for fixing the repeater main body (13) and the fire alarm main body (14);
an air guide assembly; the air guide assembly is positioned in the fixing assembly and is used for guiding air flow into the fixing assembly;
the repeater main part (13) with fire alarm ware main part (14) all are the semicircle form, repeater main part (13) with fire alarm ware main part (14) symmetry is installed inside fixed subassembly.
2. The computer local area network repeater according to claim 1, wherein: the fixing assembly comprises a shell (11) and an end cover (12), wherein the shell (11) is in a step shape, and the upper surface of the upper end of the shell (11) is fixedly connected with the lower surface of the end cover (12).
3. The computer local area network repeater according to claim 1, wherein: the air guide assembly comprises an air guide fan (21), an air guide chamber (22), a first air guide pipe (23) and a second air guide pipe (24) which are communicated with the air guide chamber (22); the air guide fan (21) is positioned at the lower end of the air guide chamber (22).
4. The computer local area network repeater as recited in claim 2, wherein: the outer surface of the upper end of the shell (11) is provided with a heat dissipation opening (111), and the opening of the heat dissipation opening (111) inclines downwards.
5. The computer local area network repeater as recited in claim 2, wherein: and an antenna (112) and a buzzer (113) are arranged at the bottom of the outer surface of the upper end of the shell (11).
6. The computer local area network repeater as recited in claim 2, wherein: the diameter of the lower end of the shell (11) is smaller than the diameter of the upper end of the shell (11), an air guide chamber (22) is arranged inside the upper end of the shell (11), and an air guide fan (21) is arranged inside the lower end of the shell (11).
7. A computer local area network repeater as defined in claim 3, wherein:
one end of the first air duct (23) is communicated with the repeater main body (13);
one end of the second air duct (24) is communicated with the fire alarm main body (14).
8. The computer local area network repeater as recited in claim 2, wherein: the lower end of the shell (11) is in threaded connection with the sound-proof cover (3).
9. The computer local area network repeater of claim 8, wherein: and the upper end of the sound-proof cover (3) is provided with an air guide hole (31).
10. The computer local area network repeater of claim 8, wherein: the sound-proof cover (3) is spherical, and the inner surface of the sound-proof cover is bonded with honeycomb sound-absorbing cotton (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210130345.3A CN114553286A (en) | 2022-02-11 | 2022-02-11 | Repeater for computer local area network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210130345.3A CN114553286A (en) | 2022-02-11 | 2022-02-11 | Repeater for computer local area network |
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