CN205490600U - One way poE ware of supplying power - Google Patents
One way poE ware of supplying power Download PDFInfo
- Publication number
- CN205490600U CN205490600U CN201620257843.4U CN201620257843U CN205490600U CN 205490600 U CN205490600 U CN 205490600U CN 201620257843 U CN201620257843 U CN 201620257843U CN 205490600 U CN205490600 U CN 205490600U
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- CN
- China
- Prior art keywords
- display screen
- casing
- module
- pwm controller
- single channel
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- 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
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses an one way poE ware of supplying power belongs to network power supply technical field. The utility model aims to provide a simple to operate, it can in time provide equipment operating information's one way poE ware of supplying power to possess current -limiting protect function, which comprises a housing, the power modul, the PWM controller, PSE power module, DC power supply alternaties the module, still include the display screen, an electronic switch, the display screen sets up on the casing, power module is connected to the electronic switch input, PSE power module and direct current transform module are connected respectively to the electronic switch output, display screen and PWM controller are connected to direct current transform module, the electronic switch control end is connected to the PWM controller, the PWM controller passes through bus connection with PSE power module and display screen, still be equipped with the hangers on the casing. The utility model discloses a power supply unit that one way poE ware of supplying power can use conduct terminal equipment in various wireless covers and security protection system uses.
Description
Technical field
This utility model is specifically related to a kind of single channel PoE charger, belongs to network power supply technical field.
Background technology
PoE charger is widely applied and the field such as the network coverage and security protection, for switch, image first-class power terminal equipment, PoE charger uses PSE device to be powered at feeder ear, PD is used to carry out by electric control at receiving end, the PoE charger used at present, it it is all desk-top framework, needing to be equipped with connector during installation uses bolt to be installed in casing, even the single channel PoE charger that volume is the least, it is also required to bolt connect, on the other hand, PoE charger usually not outfan Current limited Control, add the risk having an accident the most undoubtedly, the PoE charger having in time is mounted with electric fuse or simple current-limiting protection circuit, network maintenance staff can not be shown to intuitively, the maintenance overhaul that once goes wrong is pretty troublesome.
Utility model content
Therefore, the purpose of this utility model is to provide a kind of easy for installation, possess reliable outfan current-limiting protection function and the single channel PoE charger of equipment running status information can be provided for attendant in time, including casing, power module, PWM controller, PSE supply module, DC source conversion module, described single channel PoE charger also includes display screen, electrical switch, described PSE supply module includes exporting current sampling circuit, output voltage sampling circuit, supply port circuit, described display screen is arranged in casing, described electrical switch input connects power module, described electrical switch outfan connects PSE supply module and DC current conversion module respectively, described DC current conversion module connects display screen and PWM controls
Device, described PWM controller connects electronic switch controling end, and described PWM controller is connected by bus with PSE supply module and display screen, and described casing is additionally provided with hangers.
Further, described bus is RS-485 bus.
Further, the running unit of described electrical switch is field effect transistor.
Further, described casing is aluminum casing, and described hangers quantity is two, is separately positioned on two diagonal positions of casing, and hangers is provided with hanging hole.
The beneficial effects of the utility model are: a kind of single channel PoE charger of the present utility model; utilize the feature of single channel PoE charger small volume; by arranging hangers in casing; single channel PoE charger readily can be mounted or be bolted in frame by installation personnel; by arranging outfan current-limiting protection; there is the risk of safety failure in the system of effectively reducing; network maintenance staff readily can recognize equipment running status information and fault message by display screen, facilitates maintenance and the maintenance of equipment.Single channel PoE charger of the present utility model can apply in various wireless coverages and safety-protection system the electric supply installation as terminal unit to use.
Accompanying drawing explanation
Fig. 1 is the contour structures schematic diagram of a kind of single channel PoE charger of the present utility model；
Fig. 2 is the circuit diagram of a kind of single channel PoE charger of the present utility model.
Reference is as follows: 1, casing, and 2, power module, 3, PWM controller, 4, PSE supply module, 5, DC source conversion module, 6, display screen, 7, electrical switch, 8, hangers, 41, current sampling circuit, 42, output voltage sampling circuit, 43, supply port circuit, 81, hanging hole.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is illustrated:
As shown in Figure 1 and Figure 2, a kind of single channel PoE charger, including casing 1, power module 2,
PWM controller 3, PSE supply module 4, DC source conversion module 5, single channel PoE charger also includes display screen 6, electrical switch 7, PSE supply module 4 includes exporting current sampling circuit 41, output voltage sampling circuit 42, supply port circuit 43, display screen 6 is arranged in casing 1, electrical switch 7 input connects power module 2, electrical switch 7 outfan connects PSE supply module 4 and DC current conversion module 5 respectively, DC current conversion module 5 connects display screen 6 and PWM controller 3, PWM controller 3 connects electrical switch 7 and controls end, PWM controller 3 is connected by bus with PSE supply module 4 and display screen 6, hangers 8 it is additionally provided with in casing 1.The signal output part of PWM controller 3 connects electrical switch 7 and controls end, turns off electrical switch 7 when being used for breaking down.
The DC source of 12V is transformed to the unidirectional current of 3.3V and is supplied to display screen 6 and PWM controller 3 by DC source conversion module 5, display screen 6 can use LCDs, output current sampling circuit 41 includes the current sampling resistor that a resistance is less, for sampled output electric current, output voltage sampling circuit 42 includes the voltage sample resistance that a resistance is bigger, for sampled output voltage.
Preferably, bus is RS-485 bus.By RS-485 bus, PWM controller 3 provides PSE supply module 4 running state data and fault message for display screen 6, PWM controller 3 sends control instruction to supply port circuit 43, obtains the electric current of outfan, voltage data from output current sampling circuit 41, output voltage sampling circuit 42 simultaneously.
Preferably, the running unit of electrical switch 7 is field effect transistor.Field effect transistor can realize rapidly switching off, and protects equipment.
Preferably, casing 1 is aluminum casing, and hangers 8 quantity is two, is separately positioned on two diagonal positions of casing 1, and hangers 8 is provided with hanging hole 81.Installation personnel can use hangers 8 readily mounted by single channel PoE charger or be bolted to frame from different orientation angles.
When single channel PoE charger is properly functioning, display screen 6 is shown that the electric current of PSE supply module 4 outfan, voltage data, when over current fault occurs, PWM controller 3 sends instruction in time, electrical switch 7 turns off, demonstrating fault message on display screen 6, network maintenance staff can obtain these data and information easily by display screen 6, facilitates maintenance and the maintenance of equipment simultaneously.
The above is 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 principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (4)
1. a single channel PoE charger, including casing, power module, PWM controller, PSE supply module, DC source conversion module, it is characterized in that, described single channel PoE charger also includes display screen, electrical switch, described PSE supply module includes exporting current sampling circuit, output voltage sampling circuit, supply port circuit, described display screen is arranged in casing, described electrical switch input connects power module, described electrical switch outfan connects PSE supply module and DC current conversion module respectively, described DC current conversion module connects display screen and PWM controller, described PWM controller connects electronic switch controling end, described PWM controller is connected by bus with PSE supply module and display screen, it is additionally provided with hangers in described casing.
2. single channel PoE charger as claimed in claim 1, it is characterised in that described bus is RS-485 bus.
3. single channel PoE charger as claimed in claim 1, it is characterised in that the running unit of described electrical switch is field effect transistor.
4. single channel PoE charger as claimed in claim 1, it is characterised in that described casing is aluminum casing, and described hangers quantity is two, is separately positioned on two diagonal positions of casing, and hangers is provided with hanging hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257843.4U CN205490600U (en) | 2016-03-30 | 2016-03-30 | One way poE ware of supplying power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257843.4U CN205490600U (en) | 2016-03-30 | 2016-03-30 | One way poE ware of supplying power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205490600U true CN205490600U (en) | 2016-08-17 |
Family
ID=56647785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620257843.4U Expired - Fee Related CN205490600U (en) | 2016-03-30 | 2016-03-30 | One way poE ware of supplying power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205490600U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602505A (en) * | 2017-02-16 | 2017-04-26 | 深圳市菲菱科思通信技术股份有限公司 | Non-standard PoE power supply system used for Ethernet |
| CN108418444A (en) * | 2018-04-10 | 2018-08-17 | 厦门亿联网络技术股份有限公司 | A kind of POE bidirectional power supplies device |
-
2016
- 2016-03-30 CN CN201620257843.4U patent/CN205490600U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602505A (en) * | 2017-02-16 | 2017-04-26 | 深圳市菲菱科思通信技术股份有限公司 | Non-standard PoE power supply system used for Ethernet |
| CN108418444A (en) * | 2018-04-10 | 2018-08-17 | 厦门亿联网络技术股份有限公司 | A kind of POE bidirectional power supplies device |
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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 |
Granted publication date: 20160817 Termination date: 20200330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |