CN205543525U - Adopt redundant line RJ45 network adapter who has a pilot lamp of tripolar discharge tube lightning protection - Google Patents
Adopt redundant line RJ45 network adapter who has a pilot lamp of tripolar discharge tube lightning protection Download PDFInfo
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- CN205543525U CN205543525U CN201620066029.4U CN201620066029U CN205543525U CN 205543525 U CN205543525 U CN 205543525U CN 201620066029 U CN201620066029 U CN 201620066029U CN 205543525 U CN205543525 U CN 205543525U
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- heart
- heart yearns
- surge arrester
- electrode surge
- connecting line
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Abstract
The utility model provides an adopt redundant line RJ45 network adapter who has a pilot lamp of tripolar discharge tube lightning protection, discover in practice, the probability that contact failure appears in 8 heart yearns on the root web winding thread is not the equalling, 8 in the heart yearn, 1, 8 the probability that contact failure appears in the heart yearn is the biggest, 2, 7 the heart yearn takes second place, 3, 6 the heart yearn takes second place again, 4, 5 contact failure's probability minimum appears in the heart yearn, this is because the net twine is relapseing plug in -process many times, 1, 8 the heart yearn is located both ends, appear more easily bending, the condition about shifting. Therefore, the utility model discloses parallelly connected with 1, 7, 8 heart yearns, 2, 5 heart yearns are parallelly connected, and 3, 4 heart yearns are parallelly connected, like this, even it breaks off simultaneously to appear contact failure's 1, 8 heart yearns the most easily, because the 7th heart yearn is connected in addition to the network trouble can not appear, in addition, connect the tripolar discharge tube in the connecting wire, with the function that realizes the lightning protection. Simultaneously, connect the signal indication lamp that is used for judging the trouble in the connecting wire.
Description
Technical field
This utility model relates to a kind of computer networking and connects equipment, particularly to a kind of RJ45 network switch head.
Background technology
Network switch head is the one of adapter in wiring system, and two netting twines can be coupled together, to facilitate network layout by it, it is achieved the electrical continuity of wire.RJ45 network switch head is one the most frequently used in network switch head, and known RJ45 network switch head is eight plain conductors, and eight heart yearn one_to_one corresponding in extraneous grid line.For a LAN, generally use the time longer, during using for a long time, it is easy to aging circuit, the situation of loose contact, is especially using position at this grid line wiring of network switch head, it is easier to the situation of loose contact aging circuit occur, and loose contact once occurs in circuit, will result in network failure.
Extraneous grid line has 8 cores, but only 4 heart yearns and network chip connect, and other 4 cores are initially to reserve for telephone wire, but the actually current netting twine almost without any connection LAN is simultaneously used for connecting phone, say, that other 4 heart yearns are entirely the free time.It addition, road as known, grid line uses twisted-pair feeder to be possible to prevent the mutual crosstalk of signal, but it was verified that 4 heart yearns of free time may also be used for communication.
A piece network twisted-pair cable has 8 cores, and 8 heart yearn order are such, and upwards, line mouth, to oneself, is followed successively by 1,2,3,4,5,6,7,8 to network wire crystal joint plane from left to right, and wherein, 1,2,3,6 are used for communicating, and 4,5,7,8 is idle.Circuit intermediate connection point is numerous, it is easy to after occurring that the situation of loose contact, particularly Web vector graphic time are permanent, the easier generation of situation that wiring circuit contact is bad.
In practice, it has been found that the probability that loose contact occurs in grid line 8 heart yearn is not impartial.In 8 heart yearns, 1,8 heart yearns occur that the maximum probability of loose contact, 2,7 heart yearns take second place, and 3,6 heart yearns are third, 4,5 heart yearns occur that the probability of loose contact is minimum, this is because netting twine is in repeated multiple times swapping process, 1,8 heart yearns are positioned at two ends, it is easier to the situation bent, shift occur, thus it is easiest to that loose contact occurs, in turn, 4,5 heart yearns are positioned at centre, occur that the probability of loose contact is the most minimum.
Additionally, known RJ45 network switch head does not has the function of lightning protection, which leaves the biggest potential safety hazard, what RJ45 network switch head two ends connected is all communication equipment for surfing the net, these device interiors have substantial amounts of microelectronic component, it is highly susceptible to the destruction of thunder and lightning, to this end, increase what lightning protection device was a need in RJ45 network switch head.
It addition, existing network switch head does not has signal lamp, to such an extent as to after using adaptor to netting twine continued access, it is not known that continued access is the most successful, and this brings bigger workload to constructor undoubtedly.
In order to solve above-mentioned technical problem, the utility model discloses a kind of redundant line RJ45 network switch head having display lamp using electrode surge arrester lightning protection, this new network switch head enhances wiring circuit contact reliability, as long as single line loose contact can be avoided to arise that the situation of network failure, meanwhile, also there is the function of display lamp and lightning protection.
Utility model content
The purpose of this utility model is to provide a kind of redundant line RJ45 network switch head having display lamp using electrode surge arrester lightning protection, this new network switch head avoids a certain heart yearn loose contact i.e. can cause the situation of network failure, meanwhile, this new network switch head also has the function of display lamp and lightning protection.
This utility model solves its technical problem and be the technical scheme is that
A kind of redundant line RJ45 network switch head having display lamp using electrode surge arrester lightning protection, is characterized in that, including network switch head body, and be located at the wiring board on network switch head body, signal connecting line, 2 electrode surge arrester and 2 RJ45 interfaces；Wiring board, signal connecting line, 2 electrode surge arrester and 2 RJ45 interfacing order connect；It is additionally provided with to judge the LED that signal of communication is the most unimpeded on described network switch head body, LED is connected with wiring board, wiring board is provided with to control the detection module of LED, one of them RJ45 interface of described 2 RJ45 interfaces is used for connecting inlet wire, another is used for connecting outlet, described 2 RJ45 interfaces are connected by signal connecting line, signal connecting line has 8 heart yearns, it is followed successively by 1, 2, 3, 4, 5, 6, 7, 8, wherein, 1, 7, 8 heart yearns are in parallel, 2, 5 heart yearns are in parallel, 3, 4 heart yearns are in parallel, so, even if being easiest to 1 that loose contact occurs, 8 heart yearns simultaneously switch off, owing to also the 7th heart yearn connects, network can also normally work, do not have network failure；Described 2 electrode surge arrester and described signal connecting line connect; then ground connection; when having lightning current or overcurrent to flow through in signal connecting line, electrode surge arrester is breakdown, presents conducting state; make electric current pass through electrode surge arrester and flow to the earth; playing the effect of protection equipment, when twisted-pair feeder is in normal working voltage, electrode surge arrester is in cut-off state; on communication not impact, thus realize the function of lightning protection.
nullThe beneficial effects of the utility model are，This utility model is by 1、7、8 heart yearns are in parallel，2、5 heart yearns are in parallel，3、4 heart yearns are in parallel，So，Even if being easiest to 1 that loose contact occurs、8 heart yearns simultaneously switch off，Owing to also the 7th heart yearn connects，Thus network can also normally work，Do not have network failure，Avoid a certain heart yearn loose contact and i.e. can cause the situation of network failure，Simultaneously，The network switch head of the present utility model detection module by wiring board，Control the duty of LED，Detection module is prior art，The most extensively apply，Detection module detects when the communication of network switch head terminal device is normal，LED is bright，Detection module detect network switch head terminal device cannot proper communication time，LED extinguishes，When part circuit breaks down，Contribute to rapidly finding out failure cause，Additionally，Network switch head of the present utility model also accesses in connecting line electrode surge arrester，To realize the function of lightning protection.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is general network adaptor schematic diagram.
Fig. 2 is this utility model schematic diagram, and in figure, 1,2,3,4,5,6,7,8 is eight core signal connecting lines;9 is inlet wire connecting groove；10 is RJ45 interface；11 is wiring board;12 is LED;13,14 is lightning protection electrode surge arrester.
Detailed description of the invention
With reference to Fig. 1, general network adaptor had not both had LED light, had not had lightning protection device, had 4 heart yearns completely idle.
With reference to Fig. 2, a kind of redundant line RJ45 network switch head having display lamp using electrode surge arrester lightning protection of this utility model, it is characterized in that, including network switch head body, and be located at the wiring board on network switch head body, signal connecting line, 2 electrode surge arrester and 2 RJ45 interfaces；Wiring board, signal connecting line, 2 electrode surge arrester and 2 RJ45 interfacing order connect；It is additionally provided with to judge the LED that signal of communication is the most unimpeded on described network switch head body, LED is connected with wiring board, wiring board is provided with to control the detection module of LED, one of them RJ45 interface of described 2 RJ45 interfaces is used for connecting inlet wire, another is used for connecting outlet, described 2 RJ45 interfaces are connected by signal connecting line, signal connecting line has 8 heart yearns, it is followed successively by 1, 2, 3, 4, 5, 6, 7, 8, wherein, 1, 7, 8 heart yearns are in parallel, 2, 5 heart yearns are in parallel, 3, 4 heart yearns are in parallel, so, even if being easiest to 1 that loose contact occurs, 8 heart yearns simultaneously switch off, owing to also the 7th heart yearn connects, network can also normally work, do not have network failure；Described 2 electrode surge arrester and described signal connecting line connect; then ground connection; when having lightning current or overcurrent to flow through in signal connecting line, electrode surge arrester is breakdown, presents conducting state; make electric current pass through electrode surge arrester and flow to the earth; playing the effect of protection equipment, when twisted-pair feeder is in normal working voltage, electrode surge arrester is in cut-off state; on communication not impact, thus realize the function of lightning protection.
Find in practice, the probability that loose contact occurs in piece grid line 8 heart yearn is not impartial, in 8 heart yearns, 1,8 heart yearns occur that the maximum probability of loose contact, 2,7 heart yearns take second place, and 3,6 heart yearns are third, 4,5 heart yearns occur that the probability of loose contact is minimum, this is because netting twine is in repeated multiple times swapping process, 1,8 heart yearns are positioned at two ends, it is easier to the situation bent, shift occur.For this, RJ45 network switch head of the present utility model, wherein, 1,7,8 heart yearns are in parallel, and 2,5 heart yearns are in parallel, 3,4 heart yearns are in parallel, such that make to be easiest to occur the 1 of loose contact, 8 heart yearns simultaneously switch off, owing to also the 7th heart yearn connects, thus network can also normally work, and does not haves network failure.Equally, a certain heart yearn in the middle of 2,5 heart yearns disconnects, or a certain heart yearn in the middle of 3,4 heart yearns disconnects, and does not also have network failure.
Simultaneously, RJ45 network switch head of the present utility model, by the detection module of wiring board, controlling the duty of LED, detection module is prior art, the most extensively apply, not repeating them here, detection module detects that when the communication of network switch head terminal device is normal, LED is bright, detection module detect network switch head terminal device cannot proper communication time, LED extinguish.
When part circuit breaks down, contribute to rapidly finding out failure cause, decrease the time needed for investigation fault and workload, practical.
It addition, with reference to Fig. 2, this utility model RJ45 network switch head, also accessed electrode surge arrester at connecting line, in connecting line, 1,2 heart yearns are respectively connected to electrode surge arrester D1 the two poles of the earth, electrode surge arrester D1 the 3rd pole ground connection；In connecting line, 3,6 heart yearns are respectively connected to electrode surge arrester D2 the two poles of the earth; electrode surge arrester D2 the 3rd pole ground connection; when having lightning current or overcurrent flows through; electrode surge arrester is breakdown, presents conducting state, makes electric current pass through electrode surge arrester D and flows to the earth; play the effect of protection equipment; when twisted-pair feeder is in normal working voltage, electrode surge arrester D is in cut-off state, on communication not impact.
When lightning induction produce transient overvoltage act on electrode surge arrester one pole make it discharge time, tube interior can be caused ionization by impact at another interpolar rapidly by free electron produced by gas ionization, making another pole the most quickly discharge, this just substantially reduces the discharge dispersity of two interpolars.Additionally, when between one pair of which electrode after cut-off electric discharge, compound action due to a large amount of charged particles (electronics and ion), the electron amount in pipe is made to be greatly reduced, thus can promptly suppress another to interelectrode ionization by impact, making this quickly end to get off to the discharge process of interpolar, this most just substantially reduces two and interpolar is blocked dispersibility.Which improves the stability of communication line.
Above-described embodiment is this utility model preferably embodiment; but embodiment of the present utility model is also not restricted to the described embodiments; other any without departing from the change made under spirit of the present utility model and principle, modify, substitute, combine, simplify; all should be the substitute mode of equivalence, within being included in protection domain of the present utility model.
Claims (1)
1. use the redundant line RJ45 network switch head having display lamp of electrode surge arrester lightning protection, it is characterized in that, including network switch head body, and be located at the wiring board on network switch head body, signal connecting line, 2 electrode surge arrester and 2 RJ45 interfaces；Wiring board, signal connecting line, 2 electrode surge arrester and 2 RJ45 interfacing order connect；It is additionally provided with to judge the LED that signal of communication is the most unimpeded on described network switch head body, LED is connected with wiring board, wiring board is provided with to control the detection module of LED, one of them RJ45 interface of described 2 RJ45 interfaces is used for connecting inlet wire, another is used for connecting outlet, described 2 RJ45 interfaces are connected by signal connecting line, signal connecting line has 8 heart yearns, it is followed successively by 1, 2, 3, 4, 5, 6, 7, 8, wherein, 1, 7, 8 heart yearns are in parallel, 2, 5 heart yearns are in parallel, 3, 4 heart yearns are in parallel, so, even if being easiest to 1 that loose contact occurs, 8 heart yearns simultaneously switch off, owing to also the 7th heart yearn connects, network can also normally work, do not have network failure；Described 2 electrode surge arrester and described signal connecting line connect; then ground connection; when having lightning current or overcurrent to flow through in signal connecting line, electrode surge arrester is breakdown, presents conducting state; make electric current pass through electrode surge arrester and flow to the earth; playing the effect of protection equipment, when twisted-pair feeder is in normal working voltage, electrode surge arrester is in cut-off state; on communication not impact, thus realize the function of lightning protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620066029.4U CN205543525U (en) | 2016-01-25 | 2016-01-25 | Adopt redundant line RJ45 network adapter who has a pilot lamp of tripolar discharge tube lightning protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620066029.4U CN205543525U (en) | 2016-01-25 | 2016-01-25 | Adopt redundant line RJ45 network adapter who has a pilot lamp of tripolar discharge tube lightning protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205543525U true CN205543525U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620066029.4U Expired - Fee Related CN205543525U (en) | 2016-01-25 | 2016-01-25 | Adopt redundant line RJ45 network adapter who has a pilot lamp of tripolar discharge tube lightning protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205543525U (en) |
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2016
- 2016-01-25 CN CN201620066029.4U patent/CN205543525U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |