CN110212908A - Network controller - Google Patents

Network controller Download PDF

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Publication number
CN110212908A
CN110212908A CN201910487864.3A CN201910487864A CN110212908A CN 110212908 A CN110212908 A CN 110212908A CN 201910487864 A CN201910487864 A CN 201910487864A CN 110212908 A CN110212908 A CN 110212908A
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China
Prior art keywords
network
circuit
control
key
chip
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Granted
Application number
CN201910487864.3A
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Chinese (zh)
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CN110212908B (en
Inventor
李云龙
樊玉泊
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Individual
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Priority to CN201910487864.3A priority Critical patent/CN110212908B/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/401—Circuits for selecting or indicating operating mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The present invention discloses a kind of network controller, including 86 box of network, is provided with password key on 86 box of network；86 box of network further includes AC-DC reduction voltage circuit, operational amplifier circuit, password key circuit, network channel switching circuit and governor circuit.Password key is arranged in 86 boxes of network controller of the invention, when user equipment is networked, it is necessary to which inputting corresponding touch potential just can turn on network channel；Meanwhile having monitoring user's networked devices and the whether logical net of router/switch or suspension and actively closing network channel when the extraction of networked devices cable, avoid other people from using.

Description

Network controller
Technical field
The present invention relates to a kind of online to control equipment, and in particular to a kind of to need energy after Password Input and cable extraction automatic Close connection inside 86 box of network.To reach the network controller of suspension.
Background technique
On the market there are also a kind of 86 box of wall network, with wifi or router feature, this product is to provide wirelessly Network can also provide plug network RJ45 interface.POE power supply, button are used to open and close routing function.The said goods Defect is, if the network of service station to 86 box of network be it is logical, PC machine cable, which is plugged, to surf the Internet.There is no setting for permission networking It is standby, it cannot effectively prevent.After cable is extracted, the physical connection inside 86 box of network cannot be automatically closed to reach disconnected Net.
Summary of the invention
(1) technical problems to be solved
Present invention aim to overcome disadvantages mentioned above, it is desirable to provide a kind of network controller.
(2) technical solution
In order to achieve the above objectives, network controller of the invention, including 86 box of network are provided on 86 box of network Password key；86 box of network further includes AC-DC reduction voltage circuit, operational amplifier circuit, password key circuit, network channel switch electricity Road and governor circuit；Wherein,
AC-DC reduction voltage circuit, including AC-DC chip MAX5987AE, the input terminal of the AC-DC chip MAX5987AE VDD inputs 48V voltage, and output end LX exports 3.3V voltage by filter inductance L1, which is operational amplifier circuit, password is pressed Key circuit and governor circuit power supply；
Password key circuit, including one of pin of key K1, the key K1 are exported as key passwords signal Hold LAN_ON_SW；
Operational amplifier circuit, including two-pass DINSAR amplifier chip AD8062, the difference amplifier chip AD8062 output signal LAN_TX_CHECK and LAN_RX_CHECK to main control chip, further include RX signal detection end CONTROL_OUT_RX- and CONTROL_OUT_RX+ and TX signal detection end CONTROL_OUT_TX- and CONTROL_OUT_TX+；
Network channel switching circuit, including network channel chip TSL110PW, the network channel chip TSL110PW packet It includes and the end ID1 connecting RX signal detection end CONTROL_OUT_RX- and CONTROL_OUT_RX+ and the end IC1 and TX signal The end IB1 and the end IA1 of test side CONTROL_OUT_TX- and CONTROL_OUT_TX+；
Governor circuit, including main control chip STM32F103RCT6, the end the PA0 connection key passwords letter of the main control chip Number output end LAN_ON_SW, the end the PA2 connection of the main control chip, which is shaken hands, detects signal end LAN_TX_CHECK, the master control The end the PA3 connection of chip, which is shaken hands, detects signal end LAN_RX_CHECK；
The governor circuit preset password touch potential N, the connection number of the key K1 are identical as programmable button times N When, key passwords signal output end LAN_ON_SW signal connects n times, and network channel switching circuit is connected, and networked devices is allowed to visit Ask network；If key K1, which connects number, is not equal to n times, network channel switching circuit is disconnected, and does not allow networked devices to access Network.
Preferably, the operational amplifier circuit is used to monitor the logical net state of networked devices, if obstructed net, closes network channel Switching circuit.
Preferably, when obstructed net, RX signal detection end CONTROL_OUT_RX- and CONTROL_OUT_RX+ and TX Signal detection end CONTROL_OUT_TX- and CONTROL_OUT_TX+ can't detect high level signal, shake hands and detect signal end LAN_TX_CHECK and LAN_RX_CHECK sends suspension signal to governor circuit, and governor circuit controls network channel chip TSL110PW suspension.
Preferably, described CONTROL_OUT_RX-, CONTROL_OUT_RX+, CONTROL_OUT_RX- and CONTROL_ OUT_RX+ pin is all connected with low pressure drop general purpose diode SBR2U30P1-7 and carries out reverse isolation.
Further include the operation method of network controller, includes the following steps
S1, router/switch have net export in the case where, the cable at 86 box both ends of network is plugged, terminal device object Reason connects, and for router/switch always toward external hair handshake, networked devices are searched at 86 box interval of network outward；
S2, password is inputted by key K1, if key K1 input number is equal to N, and is not inputted again in M seconds, then net Network channel switching circuit is connected, and networked devices is allowed to access network；Otherwise, if key K1 input number is not equal to N, 86 box of network Lock several minutes；
S3, operational amplifier circuit sample network channel switching circuit, if every millisecond samples at least one high level, It indicates normal cluster state, otherwise, is determined as that cable is extracted if sampling always after low level several seconds, governor circuit is closed Network channel switching circuit, networking needs to re-enter password again.
Preferably, N, M value can be preset.
Preferably, N=5, M=20.
(3) beneficial effect
Compared with prior art, technical solution of the present invention has the advantage that 86 boxes of network controller of the invention Password key is set, when user networks, it is necessary to which inputting corresponding touch potential just can turn on network channel；Meanwhile having monitoring Whether router/switch leads to net or suspension, when the extraction of networked devices cable, actively closes network channel, other people is avoided to use.
Detailed description of the invention
Fig. 1 is the working principle of the invention block diagram；
Fig. 2 is the circuit diagram of AC-DC reduction voltage circuit of the present invention；
Fig. 3 is the circuit diagram of password key circuit of the present invention；
Fig. 4 is the circuit diagram of operational amplifier circuit of the present invention；
Fig. 5 is the circuit diagram of inventive network channel switching circuit；
Fig. 6 is the circuit diagram of governor circuit of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below Example is not intended to limit the scope of the invention for illustrating the present invention.
As shown in FIG. 1, FIG. 1 is work block diagrams of the invention comprising the router/switch of external network, network 86 Box and access terminals equipment (needing networked devices) are provided with password key on 86 box of network of the invention；86 box of network It further include AC-DC reduction voltage circuit, operational amplifier circuit, password key circuit, network channel switching circuit and governor circuit；Wherein,
As shown in Fig. 2, AC-DC reduction voltage circuit, including AC-DC chip MAX5987AE, the chip MAX5987AE's is defeated Enter to hold VDD to input 48V voltage, output end LX exports 3.3V voltage by filter inductance L1, which is operational amplifier circuit, close Code key circuit and governor circuit power supply；It should be pointed out that the output end in filter inductance L1 is provided with several filter capacitors C22, C23, C24, C25 are filtered, and export stable voltage to reach.
As shown in figure 3, password key circuit, including key K1, one of pin of the key K1 are close as key Code signal output end LAN_ON_SW, output end LAN_ON_SW pin connection corresponding with main control chip, in output end LAN_ON_ SW draws level signal of the capacitor C4 to stablize output end LAN_ON_SW over the ground.
As shown in figure 4, operational amplifier circuit, including difference amplifier chip AD8062, specially AD8062ARZ, the difference fortune Putting chip AD8062 includes shaking hands to detect signal end LAN_TX_CHECK and LAN_RX_CHECK, LAN_TX_CHECK and LAN_ RX_CHECK pin connection corresponding with main control chip；It further include RX signal detection end CONTROL_OUT_RX- and CONTROL_ OUT_RX+ and TX signal detection end CONTROL_OUT_TX- and CONTROL_OUT_TX+, these and network channel chip The corresponding pin connection of TSL110PW, the output signal for sampling network channel chip TSL110PW.
Preferably, CONTROL_OUT_RX-, CONTROL_OUT_RX+, CONTROL_OUT_RX- and CONTROL_ OUT_RX+ pin is all connected with low pressure drop general purpose diode SBR2U30P1-7 and carries out reverse isolation.
As shown in figure 5, network channel switching circuit, including network channel chip TSL110PW, the network channel chip TSL110PW includes the end ID1 and the end IC1 connecting with RX signal detection end CONTROL_OUT_RX- and CONTROL_OUT_RX+, And the end IB1 and the end IA1 of TX signal detection end CONTROL_OUT_TX- and CONTROL_OUT_TX+, also have and master control core The end S of piece connection, the end S receive LAN_ON/OFF (i.e. on-off signal) and are used to control the logical of network channel chip TSL110PW It is disconnected；
As shown in fig. 6, governor circuit, including main control chip STM32F103RCT6, the end the PA0 connection of the main control chip Key passwords signal output end LAN_ON_SW, the end the PA2 connection of the main control chip, which is shaken hands, detects signal end LAN_TX_ CHECK, the end the PA3 connection of the main control chip, which is shaken hands, detects signal end LAN_RX_CHECK；Main control chip STM32F103RCT6 The end PB0 export LAN_ON/OFF signal, for controlling the on-off of above-mentioned network channel chip TSL110PW.
Working principle of the present invention is as follows
Include the following steps
S1, router/switch have net export in the case where, the cable at 86 box both ends of network is plugged, terminal device object Reason connects, and router/switch is sending out handshake toward external always；
S2, password is inputted by key K1, if key K1 input number is equal to N, and is not inputted again in M seconds, then net Network channel switching circuit is connected, and networked devices is allowed to access network；Otherwise, if key K1 input number is not equal to N, 86 box of network Lock several minutes；
S3, operational amplifier circuit sample network channel switching circuit, if every millisecond samples at least one high level, It indicates normal cluster state, otherwise, is determined as that cable is extracted if sampling always after low level several seconds, governor circuit is closed Network channel switching circuit, networking needs to re-enter password again.
Specific to the present embodiment, hardware aspect: on the basis of original 86 box of network, increasing a key, this Key is to input password for Password Input, i.e. password key circuit, few by push-botton operation 5 times (N=5 in the present embodiment) Yu Wuci or 1 minute locked more than five 86 switch control boxes of network, button consecutively press 5 times, 20 seconds (M in the present embodiment =20) lower button is not pressed in again, connects network channel chip, measurement enters main control chip GPIO foot by amplifier chip Signal level.Main control chip in house software extracts the high level in TX the and RX level after network is connected, and whether analysis network It connects, after cable is extracted, no high level is input to the GPIO foot of main control chip, and software analysis is that cable is extracted, at this moment Waiting closing network channel chip does not allow the network equipment to network.
Password key is arranged in 86 boxes of network controller of the invention, when user networks, it is necessary to input corresponding key Number just can turn on network channel；Meanwhile having the whether logical net of monitoring router/switch or suspension, when networked devices cable pulls out Out, network channel is actively closed, other people is avoided to use.
In conclusion it is restricted embodiment of the invention, all those skilled in the art that above embodiment, which is not, The modification carried out on the basis of substantive content of the invention or equivalent deformation, in technology scope of the invention.

Claims (7)

1. a kind of network controller, including 86 box of network, it is characterised in that: be provided with password key on 86 box of network； 86 box of network further includes AC-DC reduction voltage circuit, operational amplifier circuit, password key circuit, network channel switching circuit and master control Circuit；Wherein,
AC-DC reduction voltage circuit, including AC-DC chip MAX5987AE, the input terminal VDD of the AC-DC chip MAX5987AE are defeated Enter 48V voltage, output end LX exports 3.3V voltage by filter inductance L1, which is operational amplifier circuit, password key electricity Road and governor circuit power supply；
Password key circuit, including key K1, one of pin of the key K1 is as key passwords signal output end LAN_ON_SW；
Operational amplifier circuit, including two-pass DINSAR amplifier chip AD8062, the difference amplifier chip AD8062 output signal LAN_TX_ CHECK and LAN_RX_CHECK further includes RX signal detection end CONTROL_OUT_RX- and CONTROL_OUT_ to main control chip RX+ and TX signal detection end CONTROL_OUT_TX- and CONTROL_OUT_TX+；
Network channel switching circuit, including network channel chip TSL110PW, the network channel chip TSL110PW include with The end ID1 and the end IC1 and TX signal detection that RX signal detection end CONTROL_OUT_RX- is connected with CONTROL_OUT_RX+ Hold the end IB1 and the end IA1 of CONTROL_OUT_TX- and CONTROL_OUT_TX+；
The end the PA0 connection key passwords signal of governor circuit, including main control chip STM32F103RCT6, the main control chip is defeated Outlet LAN_ON_SW, the end the PA2 connection of the main control chip, which is shaken hands, detects signal end LAN_TX_CHECK, the main control chip The connection of the end PA3 shake hands and detect signal end LAN_RX_CHECK；
The governor circuit preset password touch potential N, when the connection number of the key K1 is identical as programmable button times N, Key passwords signal output end LAN_ON_SW signal connects n times, and network channel switching circuit is connected, and networked devices is allowed to access Network；If key K1, which connects number, is not equal to n times, network channel switching circuit is disconnected, and networked devices is not allowed to access net Network.
2. network controller as described in claim 1, it is characterised in that: the operational amplifier circuit is used to monitor the logical of networked devices Net state closes network channel switching circuit if obstructed net.
3. network controller as claimed in claim 2, it is characterised in that: when obstructed net, RX signal detection end CONTROL_ OUT_RX- and CONTROL_OUT_RX+ and TX signal detection end CONTROL_OUT_TX- and CONTROL_OUT_TX+ are examined High level signal is not detected, shakes hands and detects signal end LAN_TX_CHECK and LAN_RX_CHECK to governor circuit transmission suspension letter Number, governor circuit controls the TSL110PW suspension of network channel chip.
4. network controller as claimed in claim 3, it is characterised in that: described CONTROL_OUT_RX-, CONTROL_OUT_ RX+, CONTROL_OUT_RX- and CONTROL_OUT_RX+ pin are all connected with low pressure drop general purpose diode SBR2U30P1-7 progress Reverse isolation.
5. a kind of operation method of the network controller as described in claim 1-4, it is characterised in that: include the following steps
S1, router/switch have net export in the case where, the cable at 86 box both ends of network is plugged, terminal device physics connect It connects, router/switch is sending out handshake toward external always.；
S2, password is inputted by key K1, if key K1 input number is equal to N, and is not inputted again in M seconds, then network is logical Road switching circuit is connected, and networked devices is allowed to access network；Otherwise, if key K1 input number is not equal to N, 86 box of network is locked Several minutes；
Level when S3, operational amplifier circuit communicate TX in network channel and RX samples, if every millisecond samples at least one High level, then it represents that otherwise normal cluster state is determined as that cable is extracted if sampling always after low level several seconds, main It controls circuit and closes network channel switching circuit, networking needs to re-enter password again.
6. the operation method of network controller as claimed in claim 5, it is characterised in that: N, M value can be preset.
7. the operation method of network controller as claimed in claim 6, it is characterised in that: N=5, M=20.
CN201910487864.3A 2019-06-05 2019-06-05 Internet surfing controller Active CN110212908B (en)

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CN110855559A (en) * 2019-09-29 2020-02-28 国网浙江省电力有限公司宁波供电公司 Intelligent gateway with access restriction
CN111093117A (en) * 2019-12-09 2020-05-01 国网浙江省电力有限公司丽水供电公司 Intelligent network 86 box with information network safety protection function

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CN110855559A (en) * 2019-09-29 2020-02-28 国网浙江省电力有限公司宁波供电公司 Intelligent gateway with access restriction
CN111093117A (en) * 2019-12-09 2020-05-01 国网浙江省电力有限公司丽水供电公司 Intelligent network 86 box with information network safety protection function

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