CN205901764U - Net gape BYPASS system - Google Patents
Net gape BYPASS system Download PDFInfo
- Publication number
- CN205901764U CN205901764U CN201620577724.7U CN201620577724U CN205901764U CN 205901764 U CN205901764 U CN 205901764U CN 201620577724 U CN201620577724 U CN 201620577724U CN 205901764 U CN205901764 U CN 205901764U
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- CN
- China
- Prior art keywords
- type relay
- relay
- network interface
- monostable
- control circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a net gape BYPASS system, including first network card chip and second network card chip, first net gape and second net gape, connect at the first monostable type relay between first network card chip and the first net gape and connect the monostable type relay of second between second network card chip and second net gape, still including the shutting type relay of connection between first monostable type relay and the monostable type relay of second and relay logic control circuit and the power control circuit who is connected with shutting type relay respectively. Implement the beneficial effects of the utility model are that: through increase shutting type relay between first monostable type relay and the monostable type relay of second, can realize network security device in the start, shut down and does not cut off the power supply and the opening or closing of state BYPASS function down such as outage, easily the operation just satisfied different users' demand.
Description
Technical field
This utility model is related to network communication technology field, more particularly, it relates to a kind of network interface bypass system.
Background technology
Network Security Device is typically employed between two or more networks, for example inside and outside and outer net between, in equipment
Application program can be analyzed to by its network package, according still further to certain routing rule, package is transferred after having processed
Go.If after the faults such as power-off or deadlock in certain Network Security Device, that is just lost by all network segments that this equipment connects
Contact leads to communication disruption, and bypass function, in this equipment fault, can directly be connected all-network by bypass,
Keep communication, but package analyzing and processing can not be carried out.Current bypass scheme adopts monostable typically between two network interfaces
State relay, as bypass loop, controls the break-make in bypass loop by the switching of gpio or on-off control relay,
Thus controlling the on an off of bypass.
But because current bypass scheme is only with monostatic relay, monostatic relay only one of which stable state, do not having
In the case of having power supply, relay can return to default conditions.Therefore Network Security Device bypass loop can turn on when power is off,
Open bypass function, but bypass function cannot be closed.
Utility model content
The technical problems to be solved in the utility model is, for prior art above-mentioned Network Security Device when power is off
Bypass loop can turn on, and now can only open bypass function, but cannot close the defect of bypass function, provide a kind of energy
Realize the network interface that Network Security Device opens or closes bypass function under start, the shutdown state such as not power-off and power-off
Bypass system.
This utility model solves its technical problem and be the technical scheme is that a kind of network interface bypass system of offer, uses
All enable opening or closing of bypass function when Network Security Device is under start, shutdown and off-position, including the
One network card chip and the second network card chip, the first network interface and the second network interface, it is connected to described first network card chip and described first
Between network interface first monostable type relay and the second list being connected between described second network card chip and described second network interface
Steady type relay, also includes the locking type being connected between the described first monostable type relay and described second monostable type relay
Relay and the relay logical control circuit being connected with described locking type relay respectively and power control circuit, described are continued
Electrical equipment logic control circuit is also connected with the described first monostable type relay and the second monostable type relay respectively；
Described relay logical control circuit export when Network Security Device is in open state first switch signal to
Described locking type relay and described first monostable type relay and described second monostable type relay, described locking type relay
Device and described first monostable type relay and described second monostable type relay are according to described in described first switch signal communication
One network interface and described second network interface are to open bypass function or to disconnect between described first network interface and described second network interface
Connect to close bypass function, described power control circuit gives described locking type when Network Security Device is in open state
Relay provides power supply；
Described relay logical control circuit exports second switch when Network Security Device is in shutdown not off-position
Signal gives described locking type relay and described first monostable type relay and described second monostable type relay, described locking
Type relay and described first monostable type relay and described second monostable type relay are according to described second switch signal communication
Described first network interface and described second network interface are to open bypass function or to disconnect described first network interface and described second network interface
Between connection to close bypass function, described power control circuit Network Security Device be in shutdown not off-position when
Disconnect the power supply to described locking type relay for the output.
In above-mentioned network interface bypass system, described network interface bypass system also includes and described relay logical control electricity
The gpio control circuit that road connects, described gpio control circuit is when Network Security Device is in startup and shutdown not off-position
Output the first gpio control signal and the 2nd gpio control signal respectively, described relay logical control circuit is according to described first
Gpio control signal controls the described first switch signal of output, and controls output described second according to described 2nd gpio control signal
Switching signal.
In above-mentioned network interface bypass system, the type of described first monostable type relay and described second monostable type relay
Number be ftr-b4ga4.5z-b05.
In above-mentioned network interface bypass system, model ftr-b4gb4.5z-b05 of described locking type relay.
Implement network interface bypass system of the present utility model, have the advantages that by the first monostable type relay
Increase locking type relay between device and the second monostable type relay, be capable of Network Security Device in start, shutdown constantly
The the opening or closing it is easy to operate and meet the demand of different user of bypass function under electricity and the state such as power-off.
Brief description
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is a kind of circuit block diagram of this utility model network interface bypass system.
Specific embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, now comparison accompanying drawing is detailed
Specific embodiment of the present utility model is described.
As shown in figure 1, being a kind of circuit block diagram of this utility model network interface bypass system, the controlled network interface of this power-off
Bypass system can realize opening or closing of bypass function in states such as Network Security Device start, shutdown, power-off, its
Including the first network card chip 101 and the second network card chip 102, the first network interface 103 and the second network interface 104, it is connected to the first network interface card
Between chip 101 and the first network interface 103 first monostable type relay 105 and be connected to the second network card chip 102 and the second net
The second monostable type relay 106 between mouth 104.Especially, above-mentioned network interface bypass system also include being connected to first monostable
Locking type relay 107 between type relay 105 and the second monostable type relay 106 and respectively with locking type relay
107 connection relay logical control circuit 108 and power control circuit 109, relay logical control circuit 108 also respectively with
First monostable type relay 105 and the second monostable type relay 106 connect.
Above-mentioned network interface bypass system also includes the gpio control circuit 110 being connected with relay logical control circuit 108.
Here the first network card chip 101 and the second network card chip 102 are used for the two-way network signal of receives input, and respectively first is defeated
Enter network signal and the second input network signal, and the first network interface 103 and the second network interface 104 are then two of internal network devices
Network interface, the first monostable type relay 105 and the second monostable type relay 106 and locking type relay 107 are ftr-b4 system
The single-pole double-throw switch (SPDT) relay of row, the model of the first monostable type relay 105 and the second monostable type relay 106 is preferably
Ftr-b4ga4.5z-b05, the model of locking type relay 107 is preferably ftr-b4gb4.5z-b05.
Gpio control circuit 110 is then used for being in output the first gpio control under start running status in Network Security Device
First gpio, to relay logical control circuit 108, according to subscriber policy, is controlled by signal by relay logical control circuit 108
Signal processed is converted into first switch signal, and now the first monostable type relay 105 is according to this first switch signal communication first net
The core of the card piece 101 and the first network interface 103, disconnect connection between the first network interface 103 and locking type relay 107, or disconnect the
Connection between one network card chip 101 and the first network interface 103, connection the first network interface 103 and locking type relay 107.Correspondingly,
Second monostable type relay 106 is also according to this first switch signal communication second network card chip 102 and the second network interface 104, disconnection
Connection between second network interface 104 and locking type relay 107, or disconnect the second network card chip 102 and the second network interface 104 it
Between connection, connection the second network interface 104 and locking type relay 107.Simultaneously by power control circuit 109 out-put supply to locking
Type relay 107 is powered.
Pass through the first monostable type relay 105 and the second monostable type relay in the first network interface 103 and the second network interface 104 respectively
During device 106 connection locking type relay 107, control locking type relay 107 to connect the first net by this first switch signal simultaneously
Mouth 103 and the second network interface 104, to realize connecting bypass loop；Or the first network interface 103 and the second network interface 104 respectively with
When locking type relay 107 disconnects, now it is disconnected the connection between the first network interface 103 and the second network interface 104, to realize disconnecting
Bypass loop, thus opening or closing bypass function, the state of a gpio control signal here is for inciting somebody to action during high level
Close bypass, be will to open bypass during low level, depending on user's request, will not be described here.For example, work as network security
Under start running status, if deadlock situation, it is low electricity that gpio control circuit 110 exports a gpio control signal to equipment
Flat, the corresponding first switch signal of relay logical control circuit 108 output can control locking type relay 107, first
Monostable type relay 105 connects the first network interface 103 and the second network interface 104 with the second monostable type relay 106, i.e. first switch letter
Number for connection bypass loop signal, thus opening bypass function.
In Network Security Device shutdown not under off-position, gpio control circuit 110 export the 2nd gpio control signal to
2nd gpio, according still further to subscriber policy, is controlled letter by relay logical control circuit 108 by relay logical control circuit 108
Number it is converted into second switch signal, the first monostable type relay 105 disconnects the first network card chip 101 according to this second switch signal
And first connection between network interface 103, connection the first network interface 103 and locking type relay 107, or connection the first network card chip
101 and first network interface 103, disconnect connection between the first network interface 103 and locking type relay 107.Correspondingly, the second monostable type
Relay 106 is also according to the connection between this second switch signal disconnection the second network card chip 102 and the second network interface 104, connection
Second network interface 104 and locking type relay 107, or connection the second network card chip 102 and the second network interface 104, disconnection the second net
Connection between mouth 104 and locking type relay 107.Pass through first respectively in the first network interface 103 and the second network interface 104 single simultaneously
When steady type relay 105 connects locking type relay 107 with the second monostable type relay 106, controlled by this second switch signal
Locking type relay 107 connects the first network interface 103 and the second network interface 104, to realize connecting bypass loop, or in the first net
Mouth 103 and the second network interface 104 are realized disconnecting bypass loop, thus beat opening or closing when disconnecting with locking type relay 107 respectively
Close bypass function, the state of the 2nd gpio control signal here is closing bypass function during high level, when being low level
Open bypass function, depending on user's request, will not be described here.Power control circuit 109 disconnects output to locking afterwards
The power supply of type relay 107.
In the power-off state, locking type relay 107 is also at off-position to Network Security Device, but because of locking type relay
Device 107 characteristic of itself, its on off state can be always maintained at the state before power-off, so when bypass loop state be maintained at
The Network Security Device shutdown not bypass state under off-position.
It should be noted that if Network Security Device enters off-position from the direct power-off of open state, gpio controls
Circuit 110 can export the 2nd gpio control signal to regulating relay logic control circuit 108, similarly, by relay logic control
2nd gpio control signal is converted into second switch signal by circuit 108 processed, controls locking type relay by this second switch signal
Device 107 connects the connection between the first network interface 103 and the second network interface 104 or disconnection the first network interface 103 and the second network interface 104,
To realize connection bypass loop or to disconnect bypass loop.Again output is disconnected to locking type by power control circuit 109 afterwards
The power supply of relay 108.
Compared to prior art, this utility model network interface bypass system is passed through in the first monostable type relay 105 and the
Increase locking type relay 107 between two monostable type relays 106, be capable of Network Security Device in start, shutdown constantly
The the opening or closing of bypass function under electricity and the state such as power-off, a gpio control signal and the 2nd gpio control signal
Low and high level state, user can be set by software instruction it is easy to operating and meeting different use in operating system
The demand at family.
Above in conjunction with accompanying drawing, embodiment of the present utility model is described, but this utility model is not limited to
The specific embodiment stated, above-mentioned specific embodiment is only schematically, rather than restricted, this area common
Technical staff of the present utility model enlightenment under, without departing from this utility model objective and scope of the claimed protection situation
Under, also can make a lot of forms, these belong within protection of the present utility model.
Claims (4)
1. a kind of network interface bypass system, all enables during for Network Security Device under start, shutdown and off-position
The the opening or closing, including the first network card chip (101) and the second network card chip (102), the first network interface (103) of bypass function
And second network interface (104), be connected between described first network card chip (101) and described first network interface (103) first monostable
Type relay (105) and the second monostable type being connected between described second network card chip (102) and described second network interface (104)
Relay (106) is it is characterised in that also include being connected to the described first monostable type relay (105) and described second monostable type
Locking type relay (107) between relay (106) and the relay being connected with described locking type relay (107) respectively
Logic control circuit (108) and power control circuit (109), described relay logical control circuit (108) also respectively with described
First monostable type relay (105) and the second monostable type relay (106) connect；
Described relay logical control circuit (108) export when Network Security Device is in open state first switch signal to
Described locking type relay (107) and described first monostable type relay (105) and described second monostable type relay
(106), described locking type relay (107) and described first monostable type relay (105) and described second monostable type relay
Device (106) is according to the first network interface (103) described in described first switch signal communication and described second network interface (104) to open bypass
Connection between function or described first network interface (103) of disconnection and described second network interface (104) is to close bypass function, institute
Stating power control circuit (108) provides electricity when Network Security Device is in open state to described locking type relay (107)
Source；
Described relay logical control circuit (108) exports second switch when Network Security Device is in shutdown not off-position
Signal gives described locking type relay (107) and described first monostable type relay (105) and described second monostable type relay
Device (106), described locking type relay (107) and described first monostable type relay (105) and described second monostable type continue
Electrical equipment (106) is according to the first network interface (103) described in described second switch signal communication and described second network interface (104) to open
Connection between bypass function or described first network interface (103) of disconnection and described second network interface (104) is to close bypass
Function, described power control circuit disconnects output when Network Security Device is in shutdown not off-position and continues to described locking type
The power supply of electrical equipment (107).
2. network interface bypass system according to claim 1 it is characterised in that described network interface bypass system also include with
The gpio control circuit (110) that described relay logical control circuit (108) connects, described gpio control circuit (110) is in net
Network safety equipment are in startup and shutdown, and the off-position time-division does not export a gpio control signal and the 2nd gpio controls letter
Number, described relay logical control circuit (108) controls the described first switch signal of output according to a described gpio control signal,
And control the described second switch signal of output according to described 2nd gpio control signal.
3. network interface bypass system according to claim 1 is it is characterised in that described first monostable type relay (105)
Model ftr-b4ga4.5z-b05 with the described second monostable type relay (106).
4. network interface bypass system according to claim 1 is it is characterised in that the type of described locking type relay (107)
Number be ftr-b4gb4.5z-b05.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620577724.7U CN205901764U (en) | 2016-06-14 | 2016-06-14 | Net gape BYPASS system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620577724.7U CN205901764U (en) | 2016-06-14 | 2016-06-14 | Net gape BYPASS system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205901764U true CN205901764U (en) | 2017-01-18 |
Family
ID=57766914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620577724.7U Expired - Fee Related CN205901764U (en) | 2016-06-14 | 2016-06-14 | Net gape BYPASS system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205901764U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113746644A (en) * | 2021-09-06 | 2021-12-03 | 铵泰克（北京）科技有限公司 | Safe and effective network Bypass control method |
| CN114896181A (en) * | 2022-05-06 | 2022-08-12 | 北京乐研科技股份有限公司 | Hardware bypass circuit and method based on prediction classification and electronic equipment |
| CN115473749A (en) * | 2022-07-26 | 2022-12-13 | 北京世宁达科技有限公司 | Method and circuit for realizing network card bypass function based on single chip microcomputer control |
-
2016
- 2016-06-14 CN CN201620577724.7U patent/CN205901764U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113746644A (en) * | 2021-09-06 | 2021-12-03 | 铵泰克（北京）科技有限公司 | Safe and effective network Bypass control method |
| CN114896181A (en) * | 2022-05-06 | 2022-08-12 | 北京乐研科技股份有限公司 | Hardware bypass circuit and method based on prediction classification and electronic equipment |
| CN115473749A (en) * | 2022-07-26 | 2022-12-13 | 北京世宁达科技有限公司 | Method and circuit for realizing network card bypass function based on single chip microcomputer control |
| CN115473749B (en) * | 2022-07-26 | 2024-01-16 | 北京世宁达科技有限公司 | Method and circuit for realizing network card bypass function based on single chip microcomputer control |
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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: 20170118 Termination date: 20200614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |