CN205453784U - Network communication interface equipment - Google Patents
Network communication interface equipment Download PDFInfo
- Publication number
- CN205453784U CN205453784U CN201620261453.4U CN201620261453U CN205453784U CN 205453784 U CN205453784 U CN 205453784U CN 201620261453 U CN201620261453 U CN 201620261453U CN 205453784 U CN205453784 U CN 205453784U
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- interface
- resistance
- network
- electrically connects
- normally opened
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Abstract
The utility model discloses a network communication interface equipment, including network interface circuit, electronic switch, switch drive circuit and microprocessor, network interface circuit with the electronic switch electricity is connected, electronic switch with the switch drive circuit electricity is connected, switch drive circuit with the microprocessor electricity is connected. This network communication interface equipment still includes two network transformers, every network transformer all with network interface circuit electricity is connected, every network transformer still through current -limiting resistor with the microprocessor electricity is connected. The utility model discloses in certain network security device power down or deadlock back, microprocessor sends control signal through switch drive circuit to electronic switch for still communication connection can be realized between the network security equipment, user's experience is satisfied better.
Description
Technical field
This utility model relates to a kind of network communication interface equipment.
Background technology
Owing to remote data transmission has the advantages such as transmission speed is fast, easy to operate, it is widely used in every profession and trade.In order to the data transmission that will collect everywhere is to a certain server, it usually needs several Network Security Devices (such as switch etc.) are attached, its Network Security Device provides good underlying hardware equipment for remote transmission data.
At present, it is directly connected between several Network Security Devices, after (the such as switch etc.) power-off of certain Network Security Device or crashing, it is impossible to realize the remote transmission of data, thus bring much inconvenience to user.
Utility model content
The technical scheme that this utility model provides is as follows:
A kind of network communication interface equipment that this utility model provides, including network interface circuit, electrical switch, switch driving circuit and microprocessor, described network interface circuit electrically connects with described electrical switch, described electrical switch electrically connects with described switch driving circuit, and described switch driving circuit electrically connects with described microprocessor.
Further, present networks Communications Interface Unit, also include two network transformers, each network transformer all electrically connects with described network interface circuit, and each network transformer electrically connects with described microprocessor also by current-limiting resistance.
Further, described network interface circuit includes a network interface chip and two RJ45 interfaces, described network interface chip electrically connects with two RJ45 interfaces respectively, the transmitting terminal of each RJ45 interface electrically connects with described electrical switch, a network transformer respectively, and the receiving terminal of each RJ45 interface electrically connects with described electrical switch, a network transformer respectively；The transmitting terminal of each RJ45 interface also forms the network equipment and sends connection end；The receiving terminal of each RJ45 interface also forms the network equipment and receives connection end.
Further, the transmitting terminal centre cap of described RJ45 interface is electrically connected by one end of first interface resistance and the 3rd interface resistance, the receiving terminal centre cap of described RJ45 interface is electrically connected with one end of described 3rd interface resistance by the second interface resistance, and the other end of described 3rd interface resistance passes through first interface capacity earth；The empty foot of described RJ45 interface is electrically connected by one end of the 4th interface resistance and the 6th interface resistance, and the earth terminal of described RJ45 interface is electrically connected with one end of described 6th interface resistance by the 5th interface resistance；The other end of described 6th interface resistance passes through described first interface capacity earth.
Further, first display lamp terminals negative pole of described RJ45 interface and one end electrical connection of the 7th interface resistance, the other end of described 7th interface resistance is for electrically connecting with the first display lamp, the other end of described 7th interface resistance also electrically connects with the second interface capacitance, another termination working power negative pole of described second interface capacitance；Second display lamp terminals negative pole of described RJ45 interface and one end electrical connection of the 8th interface resistance, the other end of described 8th interface resistance is for electrically connecting with the second display lamp, the other end of described 8th interface resistance also one end with the 3rd interface capacitance electrically connects, and another of described 3rd interface capacitance terminates described working power negative pole；Described second interface capacitance, the other end of the 3rd interface capacitance are all electrically connected with one end of interface inductance by the 4th interface capacitance, one end of described interface inductance is connected with the first display lamp terminals positive pole, the second display lamp terminals positive electrical of described RJ45 interface the most respectively, another termination working power positive pole of described interface inductance.
Further, described electrical switch includes the first normally opened relay and the second normally opened relay, described first normally opened relay, one end of coil of the second normally opened relay all electrically connect with described electrical switch drive circuit, and described first normally opened relay, the other end of coil of the second normally opened relay are all connected with described working power positive electrical by inductance；The normally opened contact of described first normally opened relay electrically connects with the transmitting terminal of described network interface circuit, and the normally opened contact of described second normally opened relay electrically connects with the receiving terminal of described network interface circuit.
Further, described switch driving circuit includes audion, the first driving resistance, the second driving resistance, the 3rd driving resistance, the base stage of described audion drives resistance to connect described working power negative pole by described first, the base stage of described audion also drives one end of resistance to electrically connect with described second, and described second drives the other end of resistance to electrically connect with the control end of described microprocessor；The emitter stage of described audion drives resistance to connect described working power negative pole by the described 3rd, and the colelctor electrode of described audion electrically connects with described electrical switch.
Further, described microprocessor is single-chip microcomputer；The model of described network transformer is 11FB-05NL；The model of described network interface chip is KSZ8863RLLI.
Compared with prior art, this utility model has the advantage that
The network communication interface equipment that the present invention provides, after present networks Communications Interface Unit being installed between Network Security Device, even if after certain Network Security Device power-off or crashing, microprocessor can send control signal by switch driving circuit to electrical switch, make still can realize between Network Security Device communication connection, preferably meet the experience of user.
Accompanying drawing explanation
Below by the way of the most understandable, accompanying drawings preferred implementation, above-mentioned characteristic, technical characteristic, advantage and the implementation thereof of a kind of network communication interface equipment is further described.
Fig. 1 is the structured flowchart of this utility model a kind of network communication interface equipment；
Fig. 2 is network transformer and the circuit theory diagrams of interface network interface circuit in this utility model；
Fig. 3 is the circuit theory diagrams of this utility model breaker in middle drive circuit and electrical switch.
Drawing reference numeral illustrates:
10 network interface circuit 20 electrical switch 30 switch driving circuits
40 network transformer 50 microprocessors
PA RJ45 interface R11 first interface resistance R12 the second interface resistance
R13 the 3rd interface resistance R14 the 4th interface resistance R15 the 5th interface resistance
R16 the 6th interface resistance R17 the 7th interface resistance R18 the 8th interface resistance
C11 first interface electric capacity C12 the second interface capacitance C13 the 3rd interface capacitance
C14 the 4th interface capacitance L11 interface inductance
K21 the first normally opened relay K22 the second normally opened relay L21 inductance
Q31 audion R31 first drives resistance R32 second to drive resistance
R33 the 3rd drives resistance R41, R42, R43, R44, R45, R46 current-limiting resistance
C41 electric capacity
Detailed description of the invention
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below comparison accompanying drawing is illustrated detailed description of the invention of the present utility model.Apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, and obtain other embodiment.
For making simplified form, only schematically show the part relevant to this utility model in each figure, they do not represent its practical structures as product.It addition, so that simplified form readily appreciates, some figure has the parts of identical structure or function, only symbolically depicts one of them, or only marked one of them.In this article, " one " not only represents " only this ", it is also possible to represent the situation of " more than one ".
As shown in Figure 1, a kind of network communication interface equipment, including network interface circuit 10, electrical switch 20, switch driving circuit 30 and microprocessor 50, described network interface circuit 10 electrically connects with described electrical switch 20, described electrical switch 20 electrically connects with described switch driving circuit 30, described switch driving circuit 30 electrically connects with described microprocessor 50, described network interface circuit 10 is used for being arranged between two Network Security Devices, it is attached with daisy chain networking mode between some Network Security Devices, wherein, one Network Security Device and station server electrical connection.
It is further preferred that present networks Communications Interface Unit also includes that two network transformers 40, each network transformer 40 all electrically connect with described network interface circuit 10, each network transformer 40 electrically connects with described microprocessor 50 also by current-limiting resistance；The model of described network transformer 40 is 11FB-05NL, and described microprocessor 50 is single-chip microcomputer.
The input 1,3 of described network transformer is electrically connected with the transmitting terminal of described microprocessor 50 by current-limiting resistance R41, R42, the input 6,8 of described network transformer is electrically connected with the receiving terminal of described microprocessor 50 by current-limiting resistance R43, R44, the outfan 10 of described network transformer is electrically connected by one end of current-limiting resistance R45 and electric capacity C41, the outfan 15 of described network transformer is electrically connected by one end of current-limiting resistance R46 and described electric capacity C41, the other end ground connection of described electric capacity C41.
Further preferred, described network interface circuit 10 includes a network interface chip and two RJ45 interface PA, described network interface chip electrically connects with two RJ45 interface PA respectively, the transmitting terminal of each RJ45 interface PA electrically connects with described electrical switch 20 respectively, and the receiving terminal of each RJ45 interface PA electrically connects with described electrical switch 20 respectively；The transmitting terminal of one RJ45 interface PA, receiving terminal electrically connect with a network transformer 40 respectively, and the transmitting terminal of another RJ45 interface PA, receiving terminal electrically connect with another network transformer 40 respectively；The model of described network interface chip is KSZ8863RLLI, and described network interface chip is not shown；
The transmitting terminal of each RJ45 interface PA also forms the network equipment and sends connection end, and this network equipment sends and connects end for being connected with Network Security Device；The receiving terminal of each RJ45 interface PA also forms the network equipment and receives connection end, and this network equipment receives and connects end for being connected with Network Security Device；RJ45 is the one of telecommunications outlet in wiring system (i.e. communicate exit) adapter, and adapter is made up of plug (joint, crystal head) and socket (module).
Further preferred, the transmitting terminal centre cap of described RJ45 interface PA is electrically connected by one end of first interface resistance R11 and the 3rd interface resistance R13, the receiving terminal centre cap of described RJ45 interface PA is electrically connected by one end of the second interface resistance R12 and described 3rd interface resistance R13, and the other end of described 3rd interface resistance R13 passes through first interface electric capacity C11 ground connection；
The empty foot of described RJ45 interface PA is electrically connected by one end of the 4th interface resistance R14 and the 6th interface resistance R16, and the earth terminal of described RJ45 interface PA is electrically connected by one end of the 5th interface resistance R15 and described 6th interface resistance R16；The other end of described 6th interface resistance R16 passes through described first interface electric capacity C11 ground connection.
Further preferred, the first display lamp terminals negative pole of described RJ45 interface PA and one end electrical connection of the 7th interface resistance R17, the other end of described 7th interface resistance R17 is for electrically connecting with the first display lamp, the other end of described 7th interface resistance R17 also electrically connects with the second interface capacitance C12, another termination working power negative pole of described second interface capacitance C12；
The second display lamp terminals negative pole of described RJ45 interface PA and one end electrical connection of the 8th interface resistance R18, the other end of described 8th interface resistance R18 is for electrically connecting with the second display lamp, the other end of described 8th interface resistance R18 also one end with the 3rd interface capacitance C13 electrically connects, and another of described 3rd interface capacitance C13 terminates described working power negative pole；
Described second interface capacitance C12, the other end of the 3rd interface capacitance C13 are all electrically connected by one end of the 4th interface capacitance C14 with interface inductance L11, one end of described interface inductance L11 is connected with the first display lamp terminals positive pole, the second display lamp terminals positive electrical of described RJ45 interface PA the most respectively, another termination working power positive pole of described interface inductance L11.
Further preferred, described electrical switch 20 includes the first normally opened relay K21 and the second normally opened relay K22, described first normally opened relay K21, one end of coil of the second normally opened relay K22 all electrically connect with described switch driving circuit 30, and described first normally opened relay K21, the other end of coil of the second normally opened relay K22 are all electrically connected with positive source by inductance L21；
A pair normally opened contact 3,6 of described first normally opened relay K21 electrically connects with transmitting terminal TD1+, TD1-of a RJ45 interface PA, and transmitting terminal TD2+, TD2-of normally opened contact 2,7 with another RJ45 interface PA are electrically connected by another of described first normally opened relay K21；
A pair normally opened contact 3,6 of described second normally opened relay K22 electrically connects with receiving terminal RD1+, RD1-of a RJ45 interface PA, and receiving terminal RD2+, RD2-of normally opened contact 2,7 with another RJ45 interface PA are electrically connected by another of described second normally opened relay K22.
Further preferred, described switch driving circuit 30 includes audion Q31, the first driving resistance R31, the second driving resistance R32, the 3rd driving resistance R33, the base stage of described audion Q31 drives resistance R31 to connect described working power negative pole by described first, the base stage of described audion Q31 also drives one end of resistance R32 to electrically connect with described second, and described second drives the other end of resistance R32 to electrically connect with described microprocessor 50；
The emitter stage of described audion Q31 drives resistance R33 to connect power cathode by the described 3rd, and the colelctor electrode of described audion Q31 one end with described first normally opened relay K21, the coil of the second normally opened relay K22 respectively electrically connects.
In conjunction with accompanying drawing Fig. 1, Fig. 2, Fig. 3, the operation principle of present networks Communications Interface Unit is further illustrated, as follows:
After Network Security Device (such as router) power-off or crashing, two networks, not by Network Security Device, by opening the bypass function (bypass functionality) in this utility model, also can carry out connection physically；Bypass function in this programme triggers in the following manner:
1, power supply triggers: when equipment is not energized, bypass function is opened；After equipment is energized, bypass function immediately closes off；
2, GPIO (universal input/output) controls: come specific port operation by GPIO, it is achieved the control to bypass switch；
3, Watchdog (house dog) controls: controls enabling and closing of GPIObypass program by watchdog, thus realizes the control to bypass；
GPIO controls and watchdog control both of which is to operate GPIO, and the relay then controlled on hardware by GPIO is made and being redirected accordingly.
Daisy chain represents a kind of wiring scheme, such as device A directly can not communicate with equipment C, they must carry out transfer by equipment B, device A is connected with equipment B cable, and equipment B is connected with equipment C with cable again, and equipment C cable is connected with equipment D, will not the webbed topological structure of shape in this method of attachment, could directly communicate between the most adjacent equipment, this method will not form loop equally, because last equipment will not be connected to first equipment.This bus connection method can be used for transmitting electric power, digital signal and analogue signal.The stack manner of such as switches/hubs just can connect by daisy chain.
Can carry out daisy chain networking between WTD6Modbus gateway module modules, the benefit of daisy chain maximum is just available with limited signal transmssion line and connects multiple devices, shares same service, and there is not the problem such as bus contention and obstruction.It supports Ethernet Bypass, the system break that the power-off that prevents an accident causes.
When Network Security Device power-off, the switch in first, second normally opened relay closes automatically, will the receiving terminal RD directly transmitting terminal TD with another RJ45 interface of a RJ45 interface turn on；After Network Security Device powers on, the switch in first, second normally opened relay automatically opens up, and realizes communication connection by network interface chip and connect between Network Security Device.
It should be noted that, above-described embodiment all can independent assortment as required.The above is only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (8)
1. a network communication interface equipment, it is characterised in that:
Including network interface circuit, electrical switch, switch driving circuit and microprocessor, described network interface circuit electrically connects with described electrical switch, described electrical switch electrically connects with described switch driving circuit, and described switch driving circuit electrically connects with described microprocessor.
2. network communication interface equipment as claimed in claim 1, it is characterised in that:
Also including two network transformers, each network transformer all electrically connects with described network interface circuit, and each network transformer electrically connects with described microprocessor also by current-limiting resistance.
3. network communication interface equipment as claimed in claim 2, it is characterised in that:
Described network interface circuit includes a network interface chip and two RJ45 interfaces, described network interface chip electrically connects with two RJ45 interfaces respectively, the transmitting terminal of each RJ45 interface electrically connects with described electrical switch, a network transformer respectively, and the receiving terminal of each RJ45 interface electrically connects with described electrical switch, a network transformer respectively；
The transmitting terminal of each RJ45 interface also forms the network equipment and sends connection end；The receiving terminal of each RJ45 interface also forms the network equipment and receives connection end.
4. network communication interface equipment as claimed in claim 3, it is characterised in that:
The transmitting terminal centre cap of described RJ45 interface is electrically connected by one end of first interface resistance and the 3rd interface resistance, the receiving terminal centre cap of described RJ45 interface is electrically connected with one end of described 3rd interface resistance by the second interface resistance, and the other end of described 3rd interface resistance passes through first interface capacity earth；
The empty foot of described RJ45 interface is electrically connected by one end of the 4th interface resistance and the 6th interface resistance, and the earth terminal of described RJ45 interface is electrically connected with one end of described 6th interface resistance by the 5th interface resistance；The other end of described 6th interface resistance passes through described first interface capacity earth.
5. network communication interface equipment as claimed in claim 3, it is characterised in that:
First display lamp terminals negative pole of described RJ45 interface and one end electrical connection of the 7th interface resistance, the other end of described 7th interface resistance is for electrically connecting with the first display lamp, the other end of described 7th interface resistance also electrically connects with the second interface capacitance, another termination working power negative pole of described second interface capacitance；
Second display lamp terminals negative pole of described RJ45 interface and one end electrical connection of the 8th interface resistance, the other end of described 8th interface resistance is for electrically connecting with the second display lamp, the other end of described 8th interface resistance also one end with the 3rd interface capacitance electrically connects, and another of described 3rd interface capacitance terminates described working power negative pole；
Described second interface capacitance, the other end of the 3rd interface capacitance are all electrically connected with one end of interface inductance by the 4th interface capacitance, one end of described interface inductance is connected with the first display lamp terminals positive pole, the second display lamp terminals positive electrical of described RJ45 interface the most respectively, another termination working power positive pole of described interface inductance.
6. network communication interface equipment as claimed in claim 1, it is characterised in that:
Described electrical switch includes the first normally opened relay and the second normally opened relay, described first normally opened relay, one end of coil of the second normally opened relay all electrically connect with described electrical switch drive circuit, and described first normally opened relay, the other end of coil of the second normally opened relay are all connected with described working power positive electrical by inductance；
The normally opened contact of described first normally opened relay electrically connects with the transmitting terminal of described network interface circuit, and the normally opened contact of described second normally opened relay electrically connects with the receiving terminal of described network interface circuit.
7. network communication interface equipment as claimed in claim 1, it is characterised in that:
Described switch driving circuit includes audion, the first driving resistance, the second driving resistance, the 3rd driving resistance, the base stage of described audion drives resistance to connect described working power negative pole by described first, the base stage of described audion also drives one end of resistance to electrically connect with described second, and described second drives the other end of resistance to electrically connect with the control end of described microprocessor；
The emitter stage of described audion drives resistance to connect described working power negative pole by the described 3rd, and the colelctor electrode of described audion electrically connects with described electrical switch.
8. network communication interface equipment as claimed in claim 3, it is characterised in that:
Described microprocessor is single-chip microcomputer；The model of described network transformer is 11FB-05NL；The model of described network interface chip is KSZ8863RLLI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620261453.4U CN205453784U (en) | 2016-03-31 | 2016-03-31 | Network communication interface equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620261453.4U CN205453784U (en) | 2016-03-31 | 2016-03-31 | Network communication interface equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205453784U true CN205453784U (en) | 2016-08-10 |
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ID=56608813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620261453.4U Expired - Fee Related CN205453784U (en) | 2016-03-31 | 2016-03-31 | Network communication interface equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205453784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108563156A (en) * | 2018-01-09 | 2018-09-21 | 四川文理学院 | A kind of EM equipment module is easy to the interface and expansion interface system of communication |
-
2016
- 2016-03-31 CN CN201620261453.4U patent/CN205453784U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108563156A (en) * | 2018-01-09 | 2018-09-21 | 四川文理学院 | A kind of EM equipment module is easy to the interface and expansion interface system of communication |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20190331 |