CN205265714U - Trackside unit POE supply circuit and trackside unit - Google Patents
Trackside unit POE supply circuit and trackside unit Download PDFInfo
- Publication number
- CN205265714U CN205265714U CN201521060966.0U CN201521060966U CN205265714U CN 205265714 U CN205265714 U CN 205265714U CN 201521060966 U CN201521060966 U CN 201521060966U CN 205265714 U CN205265714 U CN 205265714U
- Authority
- CN
- China
- Prior art keywords
- module
- power supply
- poe
- roadside unit
- mains
- 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.)
- Active
Links
Landscapes
- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model discloses a trackside unit POE supply circuit and trackside unit, trackside unit POE supply circuit includes POE power module, POE power module's output and the inside power module of trackside unit are connected, with the data net twine interface that POE power module connects for with the data network line connection. The utility model discloses utilize present data net twine for the trackside unit provides the power, need not to arrange in addition again the power cord for it is more convenient to be under construction. The utility model discloses but wide application in intelligent transportation field.
Description
Technical field
The utility model relates to intelligent transportation field, more specifically, relates to a kind of roadside unit POE power supply electricityRoad and roadside unit.
Background technology
Ethernet power supply (PowerOverEthernet; POE) be that one (also can by Ethernet winding threadBe called for short netting twine) technology of transferring electric power, for directly powered by Ethernet to the networking telephone, radio base station,The Ethernet such as network camera, hub equipment, and do not need to change the cable framework of Ethernet. ?In the roadside unit equipment of existing ETC, the power supply plan of roadside unit generally adopts 220V Alternating Current Power Supply skillArt, and in the roadside unit equipment in parking lot, have the 220V communication power supply of employing or DC power supply,Often need bracing wire in device context, construction is trouble relatively.
Utility model content
In view of this, the application's object is to provide a kind of roadside unit POE power supply circuits and has this electricityThe roadside unit on road, single to solve in prior art power supply mode, the inconvenient problem of constructing.
The application's first aspect provides a kind of roadside unit POE power supply circuits, comprises POE supply module and numberAccording to cable interface; The output of described POE supply module is connected with roadside unit internal electric source module; DescribedData network line interface is for being connected with data netting twine.
Preferably, described POE power supply circuits also comprise mains-supplied module, power-supplying interface module and supply electric separationSelect module; The input of described mains-supplied module is connected with described power-supplying interface module; Mould is selected in described power supplyAn input of piece is connected with the output of described POE supply module; Another of module selected in described power supplyIndividual input is connected with the output of described mains-supplied module; Described power supply selects module to be used for according to POEThe voltage of supply module and mains-supplied module is selected supply module; Output and the road of module selected in described power supplySide unit internal electric source module connects.
Preferably, described data network line interface is RJ45 interface.
Preferably, described POE supply module defer to the Powerover that specifies in IEEE802.3af standard andOne in the PoweroverEthernet specifying in IEEE802.3at standard.
Concrete, described mains-supplied module is Alternating Current Power Supply module, described power-supplying interface module is Alternating Current Power SupplyInterface.
Concrete, described mains-supplied module is direct current supply module, described power-supplying interface module is direct current supplyInterface.
Preferably, described power supply selects module to comprise the first diode and the second diode; Described the first diodePositive pole be connected with the output of described POE supply module, the negative pole of described the first diode is respectively with describedThe negative pole of the second diode selects the output of module to be connected with power supply; The positive pole of described the second diode with described inThe output of mains-supplied module connects.
The application's second aspect provides a kind of roadside unit, comprises network communications circuits, above-mentioned power supply circuits,Described network communications circuits is connected with described POE supply module.
The disclosed roadside unit POE of the application power supply circuits, utilize existing data netting twine to carry for roadside unitPower supply source, makes power line to construct convenient without arranging in addition again.
Further, on the basis of traditional power supply mode, increase POE power supply circuits, make roadside unitCan select applicable power supply to power according to actual conditions, ensure the stability of system power supply.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, and apparently, the following describesIn accompanying drawing be embodiment more of the present utility model, for those of ordinary skill in the art, do not payingUnder the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structured flowchart of the disclosed a kind of roadside unit POE power supply circuits of the embodiment of the present application;
Fig. 2 is another structured flowchart of the disclosed a kind of roadside unit POE power supply circuits of the embodiment of the present application;
Fig. 3 is the disclosed roadside unit structured flowchart of the embodiment of the present application.
Detailed description of the invention
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with this realityWith the accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is retouched clearly and completelyState, obviously, described embodiment is the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making under creative work prerequisiteThe every other embodiment obtaining, belongs to the scope that the utility model is protected.
Refer to Fig. 1, a kind of roadside unit POE power supply circuits that the embodiment of the present application provides, comprise POESupply module; The RJ45 interface being connected with described POE supply module, for being connected with data netting twine, from numberObtain power supply according to netting twine, the output of described POE supply module is connected with roadside unit internal electric source module;For roadside unit inside provides power supply.
Refer to Fig. 2, described POE power supply circuits also comprise mains-supplied module; With described mains-supplied moduleThe power-supplying interface module connecting; The confession electric separation being connected with described POE supply module and mains-supplied module respectivelySelect module, described power supply selects module for selecting supply module according to voltage; Described power supply selects module to compriseThe first diode and the second diode; The output of the positive pole of described the first diode and described POE supply moduleEnd connects, and the negative pole of described the first diode is selected module with the negative pole of described the second diode and power supply respectivelyOutput connects; The positive pole of described the second diode is connected with the output of described mains-supplied module, described confessionThe output that electric separation is selected module is connected with roadside unit internal electric source module.
In the time that the voltage of described POE power supply circuits is greater than the voltage of mains-supplied mould, described the first diode is ledLogical, the second diode cut-off, POE power supply circuits provide power supply for roadside unit; When described POE power supply circuitsVoltage while being less than the voltage of mains-supplied mould, described the first diode cut-off, the second diode current flow, civil powerSupply module provides power supply for roadside unit.
Described POE supply module defer to the Powerover that specifies in IEEE802.3af standard andOne in the PoweroverEthernet specifying in IEEE802.3at standard.
Described mains-supplied module can be Alternating Current Power Supply module, corresponding, and described power-supplying interface module is for exchangingPower supply interface.
Described mains-supplied module can be also direct current supply module, and corresponding, described power-supplying interface module is straightStream power supply interface.
Consult Fig. 3, a kind of roadside unit that the embodiment of the present application provides, comprises network communications circuits, for ensureingThe stability of power supply, the roadside unit of the present embodiment adopts has POE power supply circuits and the confession of mains-supplied circuitElectricity mode, described network communications circuits is connected with described POE supply module.
In the time that the voltage of described POE power supply circuits is greater than the voltage of mains-supplied mould, described the first diode is ledLogical, the second diode cut-off, POE power supply circuits provide power supply for roadside unit; When described POE power supply circuitsVoltage while being less than the voltage of mains-supplied mould, described the first diode cut-off, the second diode current flow, civil powerSupply module provides power supply for roadside unit.
The disclosed roadside unit POE of the application power supply circuits, utilize existing data netting twine to carry for roadside unitPower supply source, makes power line to construct convenient without arranging in addition again.
Further, on the basis of traditional power supply mode, increase POE power supply circuits, make roadside unitCan select applicable power supply to power according to actual conditions, ensure the stability of system power supply.
In sum, above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; AlthoughWith reference to previous embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that:Its technical scheme that still can record aforementioned each embodiment is modified, or to part technology spy whereinLevy and be equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the present inventionThe spirit and scope of each embodiment technical scheme.
Claims (8)
1. roadside unit POE power supply circuits, is characterized in that, comprise POE supply module and data network line interface;
The output of described POE supply module is connected with roadside unit internal electric source module;
Described data network line interface is for being connected with data netting twine.
2. a kind of roadside unit POE power supply circuits according to claim 1, is characterized in that, described roadside unit POE power supply circuits also comprise that mains-supplied module, power-supplying interface module and power supply select module;
The input of described mains-supplied module is connected with described power-supplying interface module;
Described power supply selects an input of module to be connected with the output of described POE supply module;
Described power supply selects another input of module to be connected with the output of described mains-supplied module;
Described power supply selects module for selecting supply module according to the voltage of POE supply module and mains-supplied module;
Described power supply selects the output of module to be connected with roadside unit internal electric source module.
3. a kind of roadside unit POE power supply circuits according to claim 2, is characterized in that, described data network line interface is RJ45 interface.
4. a kind of roadside unit POE power supply circuits according to claim 2, it is characterized in that, described POE supply module is deferred to the one in the Powerover specifying in IEEE802.3af standard and the PoweroverEthernet specifying in IEEE802.3at standard.
5. a kind of roadside unit POE power supply circuits according to claim 2, is characterized in that, described mains-supplied module is Alternating Current Power Supply module, and described power-supplying interface module is Alternating Current Power Supply interface.
6. a kind of roadside unit POE power supply circuits according to claim 2, is characterized in that, described mains-supplied module is direct current supply module, and described power-supplying interface module is direct current supply interface.
7. according to the roadside unit POE power supply circuits described in claim 2 to 6 any one, it is characterized in that, described power supply selects module to comprise the first diode and the second diode; The positive pole of described the first diode is connected with the output of described POE supply module, and the negative pole of described the first diode selects the output of module to be connected with negative pole and the power supply of described the second diode respectively; The positive pole of described the second diode is connected with the output of described mains-supplied module.
8. a roadside unit, comprises network communications circuits, it is characterized in that, also comprises the power supply circuits described in claim 1 to 7 any one, and described network communications circuits is connected with described POE supply module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521060966.0U CN205265714U (en) | 2015-12-17 | 2015-12-17 | Trackside unit POE supply circuit and trackside unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521060966.0U CN205265714U (en) | 2015-12-17 | 2015-12-17 | Trackside unit POE supply circuit and trackside unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205265714U true CN205265714U (en) | 2016-05-25 |
Family
ID=56007216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521060966.0U Active CN205265714U (en) | 2015-12-17 | 2015-12-17 | Trackside unit POE supply circuit and trackside unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205265714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111064585A (en) * | 2019-12-26 | 2020-04-24 | 联陆智能交通科技(上海)有限公司 | RSU power supply method, system, medium and equipment based on 802.3btPOE power supply |
-
2015
- 2015-12-17 CN CN201521060966.0U patent/CN205265714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111064585A (en) * | 2019-12-26 | 2020-04-24 | 联陆智能交通科技(上海)有限公司 | RSU power supply method, system, medium and equipment based on 802.3btPOE power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWM499008U (en) | Switch power supply circuit with adjustable output voltage | |
| CN103152183A (en) | Electric modem switching device and method for mutual switching of electric signals and network signals | |
| CN201839451U (en) | WIFI (wireless fidelity) portable router with LTE (long term evolution)/WIFI double accesses | |
| CN205453752U (en) | Intelligent gateway based on thing networking | |
| CN103688487A (en) | Power supply method, current sharing module and power supply system | |
| CN203219325U (en) | Intelligent PoE (power over Ethernet) switch | |
| CN205265714U (en) | Trackside unit POE supply circuit and trackside unit | |
| CN201726542U (en) | Router capable of automatically switching 3G/WIFI (wireless fidelity) network access | |
| CN105208517B (en) | Wireless routing device and communication means | |
| CN106712970A (en) | Equipment for conversion between power line carrier port and power-over-ethernet port | |
| CN203313216U (en) | Multi-medium internet gateway device | |
| CN108123946A (en) | A kind of multi-functional data processing equipment and system | |
| CN207460216U (en) | A kind of virtual 485 mixing self-healing monitoring system in photovoltaic power station power station | |
| CN203014835U (en) | Ethernet power supply device | |
| CN207625592U (en) | Wireless Communication Equipment | |
| CN202818333U (en) | POE switch power supply adapter possessing voltage detecting function | |
| CN204539174U (en) | A kind of simple and easy external power supply POE electric power system | |
| CN203301523U (en) | PoE switch | |
| CN206657347U (en) | Port translation system and equipment | |
| CN212305367U (en) | Wired network bridge for power network transmission | |
| CN205178214U (en) | USB interface switching equipment | |
| CN104022946A (en) | Multi-medium Interconnected gateway device | |
| CN103917006A (en) | DLbus of intelligent lighting system | |
| CN204156522U (en) | A kind of surge protector of end cross-over connection method active Ethernet | |
| CN203504768U (en) | Green non-driven wireless modem/WIFI router device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |