CN110022272A - A kind of network channel intersection switching device - Google Patents
A kind of network channel intersection switching device Download PDFInfo
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- CN110022272A CN110022272A CN201910157098.4A CN201910157098A CN110022272A CN 110022272 A CN110022272 A CN 110022272A CN 201910157098 A CN201910157098 A CN 201910157098A CN 110022272 A CN110022272 A CN 110022272A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/25—Routing or path finding in a switch fabric
- H04L49/253—Routing or path finding in a switch fabric using establishment or release of connections between ports
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Abstract
The present invention relates to a kind of network channels to intersect switching device, belongs to network communication technology field, including switching switch and four network ports, four network ports are respectively first input port, the second input port and the first output port, second output terminal mouth；Switching switch includes at least two groups double-throw contact, and every group of double-throw contact includes a moved end, the first non-moving end and the second non-moving end；Each moved end of each pin of first input port and the second input port respectively with switching switch connects one to one, each first non-moving end of each pin of first output port respectively with switching switch connects one to one, and each second non-moving end of each pin of second output terminal mouth respectively with switching switch connects one to one.Switching device of the invention carries out network channel easy switching and simple, and the network port will not due to cable plug and damage, improve the service life of the network port.
Description
Technical field
The invention belongs to network communication technology fields, and in particular to a kind of network channel intersection switching device.
Background technique
When carrying out network communication between the station of multi-terminal HVDC transmission engineering, usually there are following scene demands:
There are tetra- nodes of a1, a2, b1, b2, a1 is communicated with b1 under normal circumstances, a2 is communicated with b2, is switched in power direction
Afterwards, a1 is needed to communicate with b2, a2 is communicated with b1.And under any circumstance, broadcast domain will be isolated in 2 channels.
In the prior art, available scheme is as follows:
1) tetra- nodes of a1, a2, b1, b2 all access same interchanger, by dividing VLAN in interchanger, and are switching
The affiliated VLAN in corresponding port is adjusted after power direction can satisfy above-mentioned requirements；
2) cable that exchange two nodes of a1, a2 are directly plugged when needing, can also meet above-mentioned requirements.
But both operation measures are all not very convenient, and scheme 2) in often plug cable and be easy to cause the network port
Damage.
Summary of the invention
The object of the present invention is to provide a kind of network channels to intersect switching device, for solving the net after power direction switching
Not convenient enough the problem of the corresponding switching of network connection type.
In order to solve the above technical problems, the present invention proposes that a kind of network channel intersects switching device, including switching switch and
Four network ports, four network ports are respectively first input port, the second input port and the first output port,
Two output ports；Switching switch includes at least two groups double-throw contact, every group of double-throw contact include moved end, first not
Moved end and the second non-moving end；
Each moved end of each pin of first input port and the second input port respectively with switching switch connects one to one,
Each pin of first output port respectively with switching switch each first non-moving end connect one to one, second output terminal mouth it is each
Each second non-moving end of the pin respectively with switching switch connects one to one.
Network channel of the invention intersects switching device, by setting two input ports, two output ports, and is used for
The switching switch for connecting input port and output port, forms network channel, by control switching switch double-throw contact it is dynamic
The switching of network channel is realized at end, i.e. first input port, switching switch, the first output port connects the network channel to be formed,
And second input port, switching switch, second output terminal mouth connect the network channel to be formed, and switch to first input port, cut
Change switch, second output terminal mouth connects the network channel to be formed and the second input port, switching switch, the first output port connect
Connect the network channel to be formed, network channel easy switching and simple, and the network port will not due to cable plug and make
At damage, the service life of the network port is improved.
In order to carry out status display to the network channel of formation, it further includes the first shape that above-mentioned network channel, which intersects switching device,
State indicates terminal and the second state instruction terminal；The switching switch, which is additionally provided with, indicates terminal, the second shape with the first state
State indicates the corresponding state instruction double-throw contact of terminal, the state instruction double-throw contact include corresponding state instruction moved end,
The second non-moving end of the first non-moving end of state instruction and state instruction；The state of the first state instruction terminal connection switching switch
Indicate the first non-moving end；The second non-moving end of state instruction of the second state instruction terminal connection switching switch.
Further, the network port is the port RJ45, enhances the practicability of above-mentioned switching device, can either realize office
The communication of domain net (LAN), and can be realized the communication of wide area network (WAN).
Further, switching switch is with single-pole double-throw switch (SPDT) more than two channels, specific number of channels according to
Depending on the pin number of the network port, to realize the channel handoff functionality of switching switch.
Detailed description of the invention
Fig. 1 is that network channel of the invention intersects switching device schematic diagram.
Specific embodiment
A specific embodiment of the invention is further described with reference to the accompanying drawing.
Network channel as shown in Figure 1 intersects switching device, suitable for network communication between the station of multi-terminal HVDC transmission engineering,
Including manual switch SB1, hand/automatic selector switch SB2, switching switch SUD and four network ports, respectively first input end
Mouth A1, the second input port A2 and the first output port B1, second output terminal mouth B2；Switching switch includes 17 single channel hilted broadswords
Commutator, respectively corresponds 17 groups of double-throw contacts, and every group of double-throw contact include a moved end (S1~S17), first motionless
It holds (U1~U17) and the second non-moving end (D1~D17).NLASB3157 can be selected in the model of above-mentioned single-pole double-throw switch (SPDT).
Above-mentioned input/output end port all has eight terminals (i.e. eight pins), wherein first input port A1 and second
Each moved end (S1~S16) of each pin of input port A2 respectively with switching switch SUD connects one to one, the first output port
Each first non-moving end (U1~U16) of each pin of B1 respectively with switching switch SUD connects one to one, second output terminal mouth B2
Each pin respectively with switching switch SUD each second non-moving end (D1~D16) connect one to one.
In Fig. 1, it further includes condition indicative signal power supply L0, first state instruction terminal L1 that network channel, which intersects switching device,
With the second state instruction terminal L2 (for example, indicator light).Switching switch SUD, which is additionally provided with, indicates terminal L1, second with first state
The corresponding state instruction double-throw contact of state instruction terminal L2, the state instruction double-throw contact include that corresponding state instruction is dynamic
S17, state instruction the first non-moving end U17 and the second non-moving end of state instruction D17 are held, first state indicates terminal L1 connection switching
The first non-moving end of state instruction U17 of switch SUD, the second state instruction terminal L2 connection switch the state instruction of switch SUD
Second non-moving end D17, state instruction moved end S17 are used for connection status indication signal power supply L0.
In Fig. 1, network channel intersects switching device with manually or automatically handover network channel.When hand/automatic selector switch
When SB2 is located at manual, SB1 handover network channel can be operated with manual switches；It, can when hand/automatic selector switch is located at automatic
To pass through external switching signal handover network channel.Then terminal L3 and terminal L4 passes through light for accessing external switching signal
Every the switching of (optoisolator) driving network channel.
Four kinds of network ports above are the port RJ45 (also referred to as RJ45 interface), versatile, can connect local area network
It (LAN), and can connecting wan (WAN).There are eight channels in the port RJ45, and two input ports need 16 channels, then plus
The upper state instruction double-throw contact (being equivalent to a single-pole double-throw switch (SPDT)) for location status instruction, so needing to utilize has
The single-pole double-throw switch (SPDT) in 17 channels, to convert respective input mouth and corresponding output port.
It is closed in first non-moving end U1~U8, moved end S9~S16 second when moved end S1~S8 of switching switch SUD is closed
When D9~the D16 of non-moving end, first input port A1 is connect with the first output port B1, the second input port A2 and second output terminal
Mouth B2 connection, state instruction the first non-moving end U17 are connected to first state and indicate terminal L1；When switching switch SUD moved end S1~
S8, which is closed, to be closed in second non-moving end D1~D8, moved end S9~S16 in first non-moving end U9~U16, first input port A1
It is connect with second output terminal mouth B2, the second input port A2 is connect with the first output port B1, the second non-moving end of state instruction D17
It is connected to the second state instruction terminal L2.
Compared with prior art, the switching that the present invention carries out network channel can be realized by switching switch, simple square
Just, and the network port will not due to cable plug and damage, improve the service life of the network port.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied, for example, single-pole double-throw switch (SPDT) is divided into single channel single-pole double-throw switch (SPDT) and multi-pass
Road single-pole double-throw switch (SPDT), the present embodiment are exactly to use 17 single channel single-pole double-throw switch (SPDT)s, can also use four four-ways
Single-pole double-throw switch (SPDT), a single channel single-pole double-throw switch (SPDT) realize the functions of 17 single channel single-pole double-throw switch (SPDT)s.
In addition, the single-pole double-throw switch (SPDT) used can be determined according to the number of channels of input/output end port, work as input/output
The number of channels of port is two, if not needing to indicate the switching state of switching switch, then needing only to have four-way
The single-pole double-throw switch (SPDT) in road.Therefore, all within the spirits and principles of the present invention, made any modification, equivalent replacement,
Improve etc., it should be included within scope of the presently claimed invention.
Claims (4)
1. a kind of network channel intersects switching device, which is characterized in that including switching switch and four network ports, described four
The network port is respectively first input port, the second input port and the first output port, second output terminal mouth；The switching is opened
Closing includes at least two groups double-throw contact, and every group of double-throw contact includes a moved end, the first non-moving end and the second non-moving end；
Each moved end of each pin of first input port and the second input port respectively with switching switch connects one to one, and first
Each first non-moving end of each pin of output port respectively with switching switch connects one to one, each pin of second output terminal mouth
Each second non-moving end with switching switch connects one to one respectively.
2. network channel according to claim 1 intersects switching device, which is characterized in that further include first state indication end
Son and the second state instruction terminal；The switching switch, which is additionally provided with, indicates terminal, the second state instruction end with the first state
The corresponding state instruction double-throw contact of son, which includes corresponding state instruction moved end, state instruction
The second non-moving end of first non-moving end and state instruction；The state instruction first of the first state instruction terminal connection switching switch
Non-moving end；The second non-moving end of state instruction of the second state instruction terminal connection switching switch.
3. network channel according to claim 2 intersects switching device, which is characterized in that the network port is the end RJ45
Mouthful.
4. network channel according to claim 2 intersects switching device, which is characterized in that the switching switch is with two
Single-pole double-throw switch (SPDT) more than channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910157098.4A CN110022272B (en) | 2019-03-01 | 2019-03-01 | Network channel cross switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910157098.4A CN110022272B (en) | 2019-03-01 | 2019-03-01 | Network channel cross switching device |
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| Publication Number | Publication Date |
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| CN110022272A true CN110022272A (en) | 2019-07-16 |
| CN110022272B CN110022272B (en) | 2022-02-08 |
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| CN201910157098.4A Active CN110022272B (en) | 2019-03-01 | 2019-03-01 | Network channel cross switching device |
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| US6813274B1 (en) * | 2000-03-21 | 2004-11-02 | Cisco Technology, Inc. | Network switch and method for data switching using a crossbar switch fabric with output port groups operating concurrently and independently |
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| US6993035B2 (en) * | 2000-12-07 | 2006-01-31 | International Business Machines Corporation | System for routing data packets through a crossbar switch in expansion mode |
| CN2872744Y (en) * | 2006-08-11 | 2007-02-21 | 魏晓 | Network wire connector with positive/negative switch function |
| CN2907103Y (en) * | 2006-04-26 | 2007-05-30 | 成求春 | Dual-network electronic switch |
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| CN103269298A (en) * | 2013-05-23 | 2013-08-28 | 华为技术有限公司 | Adaptive bus switching method and device |
| CN203434999U (en) * | 2013-08-14 | 2014-02-12 | 佰电科技(苏州)有限公司 | Network port switching device |
| CN104506350A (en) * | 2014-12-18 | 2015-04-08 | 姜斯平 | Gigabit Ethernet switching device |
| CN104535806A (en) * | 2014-10-31 | 2015-04-22 | 国家电网公司 | Automatic switching device and system of power amplifiers |
-
2019
- 2019-03-01 CN CN201910157098.4A patent/CN110022272B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6813274B1 (en) * | 2000-03-21 | 2004-11-02 | Cisco Technology, Inc. | Network switch and method for data switching using a crossbar switch fabric with output port groups operating concurrently and independently |
| US6993035B2 (en) * | 2000-12-07 | 2006-01-31 | International Business Machines Corporation | System for routing data packets through a crossbar switch in expansion mode |
| CN2689606Y (en) * | 2004-03-26 | 2005-03-30 | 联想(北京)有限公司 | Network interface devices |
| CN2907103Y (en) * | 2006-04-26 | 2007-05-30 | 成求春 | Dual-network electronic switch |
| CN2872744Y (en) * | 2006-08-11 | 2007-02-21 | 魏晓 | Network wire connector with positive/negative switch function |
| CN102136914A (en) * | 2011-04-19 | 2011-07-27 | 珠海经济特区伟思有限公司 | Network switching device |
| CN202306250U (en) * | 2011-11-03 | 2012-07-04 | 西门子公司 | Apparatus with state indication unit |
| CN103269298A (en) * | 2013-05-23 | 2013-08-28 | 华为技术有限公司 | Adaptive bus switching method and device |
| CN203434999U (en) * | 2013-08-14 | 2014-02-12 | 佰电科技(苏州)有限公司 | Network port switching device |
| CN104535806A (en) * | 2014-10-31 | 2015-04-22 | 国家电网公司 | Automatic switching device and system of power amplifiers |
| CN104506350A (en) * | 2014-12-18 | 2015-04-08 | 姜斯平 | Gigabit Ethernet switching device |
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| Publication number | Publication date |
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| CN110022272B (en) | 2022-02-08 |
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