CN202172417U - Current monitoring type broadband data adapter - Google Patents
Current monitoring type broadband data adapter Download PDFInfo
- Publication number
- CN202172417U CN202172417U CN201120328010XU CN201120328010U CN202172417U CN 202172417 U CN202172417 U CN 202172417U CN 201120328010X U CN201120328010X U CN 201120328010XU CN 201120328010 U CN201120328010 U CN 201120328010U CN 202172417 U CN202172417 U CN 202172417U
- Authority
- CN
- China
- Prior art keywords
- resistance
- current
- bidirectional thyristor
- module
- data adapter
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a current monitoring type broadband data adapter, belonging to the filed of ethernet access device network transmission backward feeding POE system, and mainly solving the problems of low effective electric energy resource utilization rate, short service life and potential safety hazard in a feed loop, existed in broadband data adapter in the prior art. The current monitoring type broadband data adapter comprises a signal module, an AC-DC module connected with the signal module, and a control detection module connected with the AC-DC module; and the signal module is also provided with a computer network interface card interface and an ethernet access device interface, and the AC-DC module is also provided with a commercial power supply interface. The current monitoring type broadband data adapter can be implemented without changing the configurations of a user computer and a switch, eliminating the potential safety hazard of the feed loop, and greatly extending the service life of the device.
Description
Technical field
The utility model relates to Ethernet reverse feeding POE system field, specifically, has related to a kind of current monitoring molded breadth band data adapter unit in this system.
Background technology
Broadband network is an emerging industry in latter stage in 20th century.FTTH (Fiber to the home) is the final developing direction of broadband access, and the notion of EPON (PON) is of long duration, and it has the fiber resource of saving, to the transparent characteristics of procotol, in optical access network, is playing the part of more and more important role.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 through 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 to merge to a network port to the signal of remote exchange and power supply; Be transferred to the corridor switch to data and power supply simultaneously through transmission medium; But the upper end remote power feeding is owing to receive the restriction of ethernet twisted pair transmission range to estimate the influence of thunder and lightning, and used practicality receives great limitation, simultaneously; No matter the no user online is arranged; Remote power feeding equipment all always to this city corridor Ethernet switch and optical network unit power supply, has increased the useful life that O&M cost has also reduced Ethernet switch and optical network unit simultaneously, and therefore solution is very urgent to the problem of the power supply of equipment such as corridor switch and optical network unit.
The utility model content
The purpose of the utility model is to provide current monitoring molded breadth band data adapter unit, and 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 scheme of the utility model employing is following:
Current monitoring molded breadth band data adapter unit comprises signaling module, the AC-DC module that is connected with this signaling module, and be connected in the control detection module on this AC-DC module; Simultaneously, on said signaling module, also be provided with computer network interface card interface and Ethernet access device interface, on said AC-DC module, be provided with the mains supply interface.
Further; Said control detection module comprises mutual inductor T1, the current rectifying and wave filtering circuit that is connected with the secondary coil of this mutual inductor T1, the current-limiting resistance R1 that is connected with this current rectifying and wave filtering circuit; The thyristor photoelectrical coupler and the voltage comparator circuit that are connected with this current-limiting resistance R1 respectively; The current-limiting resistance R2, R3 and second bidirectional thyristor that are connected with this thyristor photoelectrical coupler respectively; And the absorption circuit that is connected with this second bidirectional thyristor, with the pressure sampling circuit that is connected with voltage comparator circuit.
Said current rectifying and wave filtering circuit is by forming with mutual diode in series D1 of the secondary coil of mutual inductor T1 and capacitor C1.
Further; Said thyristor photoelectrical coupler is the bidirectional thyristor photoelectrical coupler, is made up of first light-emitting diode that intercouples and first bidirectional thyristor, wherein; One end of first light-emitting diode is connected with capacitor C 1; The other end is connected with resistance R 1, and an end of first bidirectional thyristor is connected through a main electrode of the current-limiting resistance R2 and second bidirectional thyristor, and its other end then is connected with another main electrode of second bidirectional thyristor through current-limiting resistance R3; Simultaneously, the control utmost point of said second bidirectional thyristor also is connected with first bidirectional thyristor.
Again further; Said voltage comparator circuit comprise triode, with second light-emitting diode of this triode coupling; And the voltage stabilizing didoe D2 that is connected with this second light-emitting diode, one end, with the resistance R 7 that is connected with this second light-emitting diode other end, said triode one end is connected with the tie point of capacitor C 1 with first light-emitting diode; The other end is connected with the tie point of resistance R 1 with first light-emitting diode, and the other end ground connection of voltage stabilizing didoe D2.
Again further, said absorption circuit comprises resistance R 4, capacitor C 2, and wherein, an end of resistance R 4 is connected with the tie point of resistance R 2 with second bidirectional thyristor, and the other end is connected with the tie point of resistance R 3 with second bidirectional thyristor through capacitor C 2.
Further, said pressure sampling circuit comprises resistance R 5, R6, and wherein, resistance R 6 one ends are connected with resistance R 7, other end ground connection, and an end of resistance R 5 is connected with power supply VCC, the other end then is connected with the tie point of resistance R 6 with resistance R 7.
Compared with prior art, the beneficial effect of the utility model is:
1. the utility model configuration that need not change user computer and switch can be implemented, and is very convenient;
2. the utility model starts when detecting the user automatically and start shooting voluntarily, to the power supply of Ethernet access device interface, thereby obtains network signal;
3. the utility model turn-offs when detecting the user and close computer voluntarily, accomplishes unloaded zero output, makes that more the availability of electric energy is higher;
4. when DC48V current supply circuit or the short circuit of Ethernet access device, can auto shut off circuit, thus reach the purpose of protection self and access device;
5. the utility model has been eliminated the potential safety hazard in the feeding circuit, and it is low to have overcome feeding circuit electric energy availability, has prolonged the useful life of equipment greatly, has improved the practical value of adapter.
Description of drawings
Fig. 1 is the system block diagram of the utility model;
Fig. 2 is the circuit theory sketch map of control detection module among the embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further, the execution mode of the utility model includes but not limited to the following example.
Embodiment
As shown in Figure 1; Current monitoring molded breadth band data adapter unit; Comprise mains supply interface, computer network interface card interface, Ethernet access device interface, AC-DC module, signaling module and control detection module; Its annexation is: the AC-DC module is connected with mains supply interface, signaling module and control detection module respectively, and computer network interface card interface then is connected with signaling module with Ethernet access device interface.Wherein, The AC-DC module is mainly used in the conversion of the signal of telecommunication, converts the 220V civil power into be fit to inner each module work of adapter power supply, and signaling module is gathered the signal of computer network interface card in real time; And transmit the signal in the control detection module; The control detection module mainly detects and handles the starting-up signal of user computer, and result is fed back to the AC-DC module, with conducting, the disconnection of control AC-DC module and 220V civil power; Thereby make adapter fast break when non operating state, reach purpose of power saving.And AC-DC module and signaling module are very ripe prior art, directly use to get final product, and the utility model is not innovated it, therefore, in the utility model, is not elaborated.
In said system; The control detection module is the core of the utility model; Its physical circuit schematic diagram is as shown in Figure 2; Comprise mutual inductor T1, the current rectifying and wave filtering circuit that is connected with the secondary coil of this mutual inductor T1, the current-limiting resistance R1 that is connected with this current rectifying and wave filtering circuit, the thyristor photoelectrical coupler and the voltage comparator circuit that are connected with this current-limiting resistance R1 respectively, the current-limiting resistance R2, R3 and second bidirectional thyristor that are connected with this thyristor photoelectrical coupler respectively; And the absorption circuit that is connected with this second bidirectional thyristor, with the pressure sampling circuit that is connected with voltage comparator circuit.Wherein, each concrete circuit, device are described below:
Said current rectifying and wave filtering circuit is by forming with mutual diode in series D1 of the secondary coil of mutual inductor T1 and capacitor C1.
Said thyristor photoelectrical coupler is the bidirectional thyristor photoelectrical coupler; Form by first light-emitting diode that intercouples and first bidirectional thyristor; Wherein, an end of first light-emitting diode is connected with capacitor C 1, and the other end is connected with resistance R 1; One end of first bidirectional thyristor is connected through a main electrode of the current-limiting resistance R2 and second bidirectional thyristor; Its other end then is connected with another main electrode of second bidirectional thyristor through current-limiting resistance R3, and simultaneously, the control utmost point of said second bidirectional thyristor also is connected with first bidirectional thyristor.
Said voltage comparator circuit comprise triode, with second light-emitting diode of this triode coupling; And the voltage stabilizing didoe D2 that is connected with this second light-emitting diode, one end; With the resistance R 7 that is connected with this second light-emitting diode other end; Said triode one end is connected with the tie point of capacitor C 1 with first light-emitting diode, and the other end is connected with the tie point of resistance R 1 with first light-emitting diode, and the other end ground connection of voltage stabilizing didoe D2.
Said absorption circuit comprises resistance R 4, capacitor C 2, and wherein, an end of resistance R 4 is connected with the tie point of resistance R 2 with second bidirectional thyristor, and the other end is connected with the tie point of resistance R 3 with second bidirectional thyristor through capacitor C 2.
Said pressure sampling circuit comprises resistance R 5, R6, and wherein, resistance R 6 one ends are connected with resistance R 7, other end ground connection, and an end of resistance R 5 is connected with power supply VCC, the other end then is connected with the tie point of resistance R 6 with resistance R 7.
The operation principle of the utility model is following:
In the present embodiment, at first user computer is connected in the circuit, promptly is connected with computer network interface card interface, make S1 closed, user computer keeps open state, connects the power supply main circuit simultaneously.At this moment; Mutual inductor T1 is elementary then to have electric current to pass through; The secondary of mutual inductor T1 will have induced current to produce; Through the bidirectional thyristor photoelectrical coupler of diode D1, capacitor C1 rectifying and wave-filtering rear drive band zero cross fired, wherein R1 is a current-limiting resistance, for the bidirectional thyristor photoelectrical coupler provides inclined to one side value electric current.When drive current passes through first light-emitting diode of bidirectional thyristor photoelectrical coupler inside; The first bidirectional thyristor conducting that the bidirectional thyristor photoelectrical coupler is inner; And the gate leve electric current is provided for simultaneously second bidirectional thyristor, and promoting it and touch the method conducting, resistance R 2 is a current-limiting resistance with R3.In order to prevent that circuit from turn-offing, resistance R 4 has been formed the absorption circuit with capacitor C 2, can not damage thyristor to guarantee circuit debugging moment overcurrent phenomenon.Resistance R 5, R6 form the partial pressure type sample circuit, and R7 then gives voltage stabilizing didoe D2 with the 48V DC component signal feedback of power supply adaptor output end power VCC, and compares with the reference voltage of D2.When the output short circuit of VCC, the electric current of the R5 that flows through, R6 will increase, so the R6 voltage raises; To increase with the difference of the reference voltage of D2, thereby drive second lumination of light emitting diode, the triode conducting; And then the first light-emitting diodes tube short circuit is ended; First bidirectional thyristor turn-offs, thereby reaches the purpose of deenergization line, accomplishes short-circuit protection.
According to the foregoing description, just can realize the utility model well.
Claims (7)
1. current monitoring molded breadth band data adapter unit is characterized in that, comprises signaling module, the AC-DC module that is connected with this signaling module, and be connected in the control detection module on this AC-DC module; Simultaneously, on said signaling module, also be provided with computer network interface card interface and Ethernet access device interface, on said AC-DC module, also be provided with the mains supply interface.
2. current monitoring molded breadth band data adapter unit according to claim 1; It is characterized in that; Said control detection module comprises mutual inductor T1, the current rectifying and wave filtering circuit that is connected with the secondary coil of this mutual inductor T1, the current-limiting resistance R1 that is connected with this current rectifying and wave filtering circuit; The thyristor photoelectrical coupler and the voltage comparator circuit that are connected with this current-limiting resistance R1 respectively; The current-limiting resistance R2, R3 and second bidirectional thyristor that are connected with this thyristor photoelectrical coupler respectively, and the absorption circuit that is connected with this second bidirectional thyristor are with the pressure sampling circuit that is connected with voltage comparator circuit.
3. current monitoring molded breadth band data adapter unit according to claim 2 is characterized in that, said current rectifying and wave filtering circuit is by forming with mutual diode in series D1 of the secondary coil of mutual inductor T1 and capacitor C1.
4. current monitoring molded breadth band data adapter unit according to claim 3 is characterized in that said thyristor photoelectrical coupler is the bidirectional thyristor photoelectrical coupler; Form by first light-emitting diode that intercouples and first bidirectional thyristor; Wherein, an end of first light-emitting diode is connected with capacitor C 1, and the other end is connected with resistance R 1; One end of first bidirectional thyristor is connected through a main electrode of the current-limiting resistance R2 and second bidirectional thyristor; Its other end then is connected with another main electrode of second bidirectional thyristor through current-limiting resistance R3, and simultaneously, the control utmost point of said second bidirectional thyristor also is connected with first bidirectional thyristor.
5. current monitoring molded breadth band data adapter unit according to claim 4; It is characterized in that; Said voltage comparator circuit comprise triode, with second light-emitting diode of this triode coupling; And the voltage stabilizing didoe D2 that is connected with this second light-emitting diode, one end, with the resistance R 7 that is connected with this second light-emitting diode other end, said triode one end is connected with the tie point of capacitor C 1 with first light-emitting diode; The other end is connected with the tie point of resistance R 1 with first light-emitting diode, and the other end ground connection of voltage stabilizing didoe D2.
6. current monitoring molded breadth band data adapter unit according to claim 5; It is characterized in that; Said absorption circuit comprises resistance R 4, capacitor C 2; Wherein, an end of resistance R 4 is connected with the tie point of resistance R 2 with second bidirectional thyristor, and the other end is connected with the tie point of resistance R 3 with second bidirectional thyristor through capacitor C 2.
7. current monitoring molded breadth band data adapter unit according to claim 6; It is characterized in that said pressure sampling circuit comprises resistance R 5, R6, wherein; Resistance R 6 one ends are connected with resistance R 7; Other end ground connection, and an end of resistance R 5 is connected with power supply VCC, the other end then is connected with the tie point of resistance R 6 with resistance R 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120328010XU CN202172417U (en) | 2011-09-02 | 2011-09-02 | Current monitoring type broadband data adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120328010XU CN202172417U (en) | 2011-09-02 | 2011-09-02 | Current monitoring type broadband data adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202172417U true CN202172417U (en) | 2012-03-21 |
Family
ID=45830603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120328010XU Expired - Fee Related CN202172417U (en) | 2011-09-02 | 2011-09-02 | Current monitoring type broadband data adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202172417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307103A (en) * | 2011-09-02 | 2012-01-04 | 成都理想信息产业有限责任公司 | Current monitoring wideband data adapter and control method |
-
2011
- 2011-09-02 CN CN201120328010XU patent/CN202172417U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307103A (en) * | 2011-09-02 | 2012-01-04 | 成都理想信息产业有限责任公司 | Current monitoring wideband data adapter and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203596614U (en) | Lightning protection circuit for PSE (Power Source Equipment) multiport equipment | |
| CN103076489B (en) | Optical-fibre communications cascaded high-voltage frequency converter instantaneous overcurrent testing circuit | |
| CN101094534B (en) | Ethernet switchboard power fed from user end | |
| CN109039092A (en) | A kind of voltage detecting circuit and the reversible transducer using the circuit | |
| CN104883632A (en) | Device and method for realizing VDSL current sharing backward feeding in PON far-end system | |
| CN201812008U (en) | Detection circuit for relay protection device | |
| CN202172417U (en) | Current monitoring type broadband data adapter | |
| CN104198857B (en) | Fault detector distant communication terminal | |
| CN209462087U (en) | Transmission line of electricity monitors terminal power supply system | |
| CN208890651U (en) | A kind of voltage detecting circuit and the reversible transducer using the circuit | |
| CN202026162U (en) | Current coupling power taking device for high-tension transmission line | |
| CN204362075U (en) | A kind of power loss detection means | |
| CN201541332U (en) | Laser luminous indicating circuit and optical network unit with luminous directive function | |
| CN103389421A (en) | Island detection method and device based on GOOSE communication | |
| CN204044223U (en) | A kind of chain-type inverter current sensing means | |
| CN203504303U (en) | Distribution equipment monitoring device based on self-organizing network and optical network | |
| CN102307103A (en) | Current monitoring wideband data adapter and control method | |
| CN202206405U (en) | Network signal detection broadband adapter | |
| CN205544882U (en) | But control front end network management set power | |
| CN103687203B (en) | A kind of LED drive circuit and LED lamp | |
| CN203504298U (en) | Power distribution equipment monitoring device based on self-organizing network and power line network | |
| CN207964933U (en) | Electric transmission line hot-line indicates system | |
| CN207218378U (en) | The online switch modulation digital communication control system of local power utilization network | |
| CN202153735U (en) | Current loop communication circuit for photovoltaic power generation system | |
| CN206060197U (en) | A kind of power carrier photovoltaic combiner box for solar power system |
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: 20120321 Termination date: 20140902 |
|
| EXPY | Termination of patent right or utility model |