CN102299808A - Network signal detection type broadband adaptor and control method thereof - Google Patents
Network signal detection type broadband adaptor and control method thereof Download PDFInfo
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- CN102299808A CN102299808A CN2011102581369A CN201110258136A CN102299808A CN 102299808 A CN102299808 A CN 102299808A CN 2011102581369 A CN2011102581369 A CN 2011102581369A CN 201110258136 A CN201110258136 A CN 201110258136A CN 102299808 A CN102299808 A CN 102299808A
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Abstract
The invention discloses a network signal detection type broadband adaptor, which belongs to the field of backward feeding power over Ethernet (POE) systems and mainly overcomes the shortcomings of short service life of a broadband data adaptor and potential safety hazards and low electric energy effective utilization rate of a feeder circuit in the prior art. The network signal detection type broadband adaptor comprises a computer network card interface, a detection module, a control module, an AC-DC module and an Ethernet access equipment interface, which are sequentially connected, and further comprises a mains supply interface connected with the AC-DC module. The network signal detection type broadband adaptor can automatically detect a signal of a computer network card of a user, is automatically started to supply power to Ethernet terminal equipment to obtain a network signal, and can be automatically switched off to finish no-load zero output to save energy sources when detecting the user is disconnected from a network; and if an external power supply loop and the terminal equipment are short-circuited, the whole circuit may be automatically switched off, thereby fulfilling the aims of self-protection and protection over the terminal equipment.
Description
Technical field
The present invention relates to Ethernet reverse feeding POE system field, specifically, related to a kind of network signal monitor-type wideband data adapter and control method thereof in this system.
Background technology
Broadband network is an emerging industry in latter stage in 20th century.Fiber to the home for FTTH() be the final developing direction of broadband access, the notion of EPON (PON) is of long duration, and it has the fiber resource of saving, to the transparent characteristics of procotol, is playing the part of more and more important role in optical access network.Simultaneously, Ethernet (Ethernet) technology is through vicennial development, and simple and practical with it, cheap characteristic has almost been ruled local area network (LAN) fully, and at the optimum carrier that in fact is proved to be to carry the IP packet.Along with IP operation shared ratio in metropolitan area and primary transmission constantly rises, Ethernet is also in the improvement by aspects such as transmission rate, the package rational faculties, on access, metropolitan area even backbone network, permeate gradually, and combining of Ethernet and PON just produced Ethernet passive optical network (EPON).
Yet,, find to exist inconvenient to the power supply that inserts floor road Ethernet switch and optical network unit at user side along with large-scale networking and operation, difficulty of construction is big, operation and maintenance expenses are with high, and many shortcomings such as management inconvenience have been brought very big inconvenience to broadband operation.Mainly adopt upper end remote power feeding mode to inserting floor road Ethernet switch and optical network unit at present, this mode is that the signal of remote exchange and power supply are merged to a network port, by transmission medium data and power supply are transferred to the corridor switch simultaneously, but the upper end remote power feeding is owing to be subjected to the restriction of ethernet twisted pair transmission range to estimate the influence of thunder and lightning, used practicality is subjected to great limitation, simultaneously, no matter the no user online is arranged, remote power feeding equipment is all being powered to this city corridor Ethernet switch and optical network unit always, increased the useful life that O﹠M cost has also reduced Ethernet switch and optical network unit simultaneously, therefore solution is very urgent to the problem of the power supply of equipment such as corridor switch and optical network unit.
Summary of the invention
The object of the present invention is to provide network signal monitor-type wideband data adapter, it is low to overcome in the prior art the effective power resource utilization rate of wideband data adapter, has the defective of potential safety hazard in short, the feeding circuit in wideband data adapter useful life.
To achieve these goals, the technical solution used in the present invention is as follows:
Network signal detects the molded breadth tape adapter unit, comprises the computer network interface card interface, detection module, control module, AC-DC module and the Ethernet access device interface that connect in turn, and the mains supply interface that is connected with the AC-DC module.
Further, described detection module comprises the integrated operational amplifier that is connected with computer network interface card interface, with signal input part and the signal output part of this integrated operational amplifier is connected, signal output part is connected with control module signal generator.
Again further, described control module comprises the trigger that is connected with the signal output part of signal generator, with the switching circuit that signal discrepancy end is connected with the output of this trigger, signal output part is connected with the AC-DC module.
Further, described mains supply interface is connected with the AC network of 220V.
On the basis of above-mentioned hardware device, the present invention also provides above-mentioned network signal to detect the control method of molded breadth tape adapter unit, may further comprise the steps:
(1) user computer is connected with computer network interface card interface, detection module detects user computer network interface card signal in real time, if user computer sends the network requests signal, detection module then is transferred to control module with this signal;
(2) trigger is finished monitoring and is started according to network requests trigger signal switch circuit turn-on;
(3) switching circuit just the network requests signal be sent to the AC-DC module, and then be communicated with ethernet end device by Ethernet access device interface, make user computer obtain network signal.
If detection module monitors user computer and computer network interface card interface disconnects, then signal generator sends control signal, and the control switch circuit disconnects, and then the AC-DC module is turn-offed voluntarily, promptly realizes unloaded zero output.
Compared with prior art, beneficial effect of the present invention is:
1. the present invention can detect the signal of user computer network interface card automatically, and starts voluntarily to the ethernet end device power supply, thereby obtains network signal.
2. when the present invention detects the user and disconnects network, can turn-off voluntarily, finish unloaded zero output, save the energy.
3. when current supply circuit and terminal equipment short circuit, can close automatically, thereby reach the purpose of self and terminal equipment of protection.
4. the object of the present invention is to provide network signal monitor-type wideband data adapter, it is low to overcome in the prior art the effective power resource utilization rate of wideband data adapter, has the defective of potential safety hazard in short, the feeding circuit in wideband data adapter useful life.
Description of drawings
Fig. 1 is a system block diagram of the present invention.
Fig. 2 is the circuit theory diagrams of detection module among the present invention.
Fig. 3 is the circuit theory diagrams of control module among the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.Embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in Figure 1, network signal detects the molded breadth tape adapter unit, comprises the computer network interface card interface, detection module, control module, AC-DC module and the Ethernet access device interface that connect in turn, and the mains supply interface that is connected with the AC-DC module.Wherein, the mains supply interface inserts on the AC network of 220V.
Specifically, detection module comprises integrated operational amplifier and signal generator two large divisions, wherein, the signal input part of integrated operational amplifier is connected with computer network interface card interface, its signal output part is connected with the signal input part of signal generator, and the signal output part of this signal generator then is connected with control module.Integrated operational amplifier mainly is that signal is amplified, and signal generator is to be used to produce control signal.In the present embodiment, the circuit theory diagrams of detection module as shown in Figure 2, wherein, signal amplifier is not components and parts, but the circuit that is formed by connecting by rational circuit connecting mode by a plurality of electronic devices and components.For the present invention, the realization of detection module is not limited to present embodiment, as long as can detect, amplify and produce control signal to signal.
Described control module comprises the trigger that is connected with the signal output part of signal generator, with the switching circuit that signal discrepancy end is connected with the output of this trigger, signal output part is connected with the AC-DC module.Switching circuit adopts switching circuit commonly used, and it does not belong to innovative point of the present invention, does not therefore elaborate.In the present embodiment, the circuit theory diagrams of control module as shown in Figure 3, in Fig. 3, the control utmost point of metal-oxide-semiconductor is connected with the AC-DC module.For the present invention, the realization of control module also is not limited to present embodiment.
Because the AC-DC module is a mature technique very, its effect is to provide working power for control module and ethernet device, and therefore, the direct existing matured product of use among the present invention is not described in detail at this.
Control procedure of the present invention is as follows:
(1) user computer is connected with computer network interface card interface, detection module detects user computer network interface card signal in real time, if user computer sends the network requests signal, detection module then is transferred to control module with this signal;
(2) trigger is finished monitoring and is started according to network requests trigger signal switch circuit turn-on;
(3) switching circuit just the network requests signal be sent to the AC-DC module, and then be communicated with ethernet end device by Ethernet access device interface, make user computer obtain network signal.
(4) if detection module monitors user computer and computer network interface card interface disconnects, then signal generator sends control signal, and the control switch circuit disconnects, and then the AC-DC module is turn-offed voluntarily, promptly realizes unloaded zero output;
During (5) as if externally fed loop and terminal equipment short circuit, then the AC-DC module is turn-offed voluntarily.
According to the foregoing description, just can realize the present invention well.
Claims (6)
1. network signal detects the molded breadth tape adapter unit, it is characterized in that, comprises the computer network interface card interface, detection module, control module, AC-DC module and the Ethernet access device interface that connect in turn, and the mains supply interface that is connected with the AC-DC module.
2. network signal according to claim 1 detects the molded breadth tape adapter unit, it is characterized in that, described detection module comprises the integrated operational amplifier that is connected with computer network interface card interface, with signal input part and the signal output part of this integrated operational amplifier is connected, signal output part is connected with control module signal generator.
3. network signal according to claim 2 detects the molded breadth tape adapter unit, it is characterized in that, described control module comprises the trigger that is connected with the signal output part of signal generator, with the switching circuit that signal discrepancy end is connected with the output of this trigger, signal output part is connected with the AC-DC module.
4. detect the molded breadth tape adapter unit according to each described network signal of claim 1 ~ 3, it is characterized in that described mains supply interface is connected with the AC network of 220V.
5. network signal detects the control method of molded breadth tape adapter unit, it is characterized in that, may further comprise the steps:
(1) user computer is connected with computer network interface card interface, detection module detects user computer network interface card signal in real time, if user computer sends the network requests signal, detection module then is transferred to control module with this signal;
(2) trigger is finished monitoring and is started according to network requests trigger signal switch circuit turn-on;
(3) switching circuit just the network requests signal be sent to the AC-DC module, and then be communicated with ethernet end device by Ethernet access device interface, make user computer obtain network signal.
6. network signal according to claim 5 detects the control method of molded breadth tape adapter unit, it is characterized in that, if detection module monitors user computer and computer network interface card interface disconnects, then signal generator sends control signal, the control switch circuit disconnects, and then the AC-DC module is turn-offed voluntarily, promptly realize unloaded zero output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011102581369A CN102299808A (en) | 2011-09-02 | 2011-09-02 | Network signal detection type broadband adaptor and control method thereof |
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| CN2011102581369A CN102299808A (en) | 2011-09-02 | 2011-09-02 | Network signal detection type broadband adaptor and control method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286856A (en) * | 2007-04-10 | 2008-10-15 | 华为技术有限公司 | Network equipment and method of automatic turn-on and turn-off |
| CN101834728A (en) * | 2010-03-22 | 2010-09-15 | 成都理想信息产业有限责任公司 | Reverse feed equipment based on Ethernet port and feeding method thereof |
| CN201629756U (en) * | 2009-12-22 | 2010-11-10 | 杭州华三通信技术有限公司 | Network card power-on detection supply unit and intelligent switch equipment |
| CN202206405U (en) * | 2011-09-02 | 2012-04-25 | 成都理想信息产业有限责任公司 | Network signal detection broadband adapter |
-
2011
- 2011-09-02 CN CN2011102581369A patent/CN102299808A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286856A (en) * | 2007-04-10 | 2008-10-15 | 华为技术有限公司 | Network equipment and method of automatic turn-on and turn-off |
| CN201629756U (en) * | 2009-12-22 | 2010-11-10 | 杭州华三通信技术有限公司 | Network card power-on detection supply unit and intelligent switch equipment |
| CN101834728A (en) * | 2010-03-22 | 2010-09-15 | 成都理想信息产业有限责任公司 | Reverse feed equipment based on Ethernet port and feeding method thereof |
| CN202206405U (en) * | 2011-09-02 | 2012-04-25 | 成都理想信息产业有限责任公司 | Network signal detection broadband adapter |
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Application publication date: 20111228 |