CN205545309U - Multichannel poE ware of supplying power - Google Patents
Multichannel poE ware of supplying power Download PDFInfo
- Publication number
- CN205545309U CN205545309U CN201620257844.9U CN201620257844U CN205545309U CN 205545309 U CN205545309 U CN 205545309U CN 201620257844 U CN201620257844 U CN 201620257844U CN 205545309 U CN205545309 U CN 205545309U
- Authority
- CN
- China
- Prior art keywords
- power supply
- module
- multichannel
- display screen
- pwm controller
- 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
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Abstract
The utility model discloses a multichannel poE ware of supplying power belongs to network power supply technical field. The utility model aims to provide an it can provide the power supply ware of equipment running state information to possess output current -limiting protect function, which comprises a housing, the power modul, power supply unit more than two, every power supply unit includes the PWM controller, PSE power module, DC power supply alternaties the module, the power supply ware still includes the display screen, every power supply unit still includes electronic switch, the display screen sets up on the casing, power module is connected to the display screen, 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, the PWM controller is connected to direct current transform module, the electronic switch control end is connected to the PWM controller, still be equipped with the mounting panel on the casing, be equipped with wiring port and mounting hole on the mounting panel. The utility model discloses a power supply unit that multichannel poE ware of supplying power can use conduct multiple terminals equipment in various wireless covers and security protection system uses.
Description
Technical field
This utility model is specifically related to a kind of multichannel 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 multichannel PoE charger used at present 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; can not be shown to network maintenance staff intuitively, the maintenance overhaul that once goes wrong is difficult to carry out malfunction elimination.
Utility model content
nullTherefore，The purpose of this utility model is to provide a kind of multichannel PoE charger possessing reliable outfan current-limiting protection function and providing equipment running status information in time for attendant，Including casing、Power module、Plural power supply unit，Each power supply unit includes PWM controller、PSE supply module、DC source conversion module，Described multichannel PoE charger also includes display screen，Each power supply unit also includes 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 display screen connects power module，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 PWM controller，Described PWM controller connects electronic switch controling end，Described PWM controller is connected by bus with PSE supply module，The PWM controller of all power supply units is all connected by bus with display screen，It is additionally provided with installing plate in described casing，Installing plate is provided with Wiring port and installing hole.
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.
Further, described display screen is LCDs.
The beneficial effects of the utility model are: a kind of multichannel PoE charger of the present utility model; multichannel PoE power supply unit is focused in a casing; 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.Multichannel PoE charger of the present utility model can apply in various wireless coverages and safety-protection system the electric supply installation as multiple terminal units to use.
Accompanying drawing explanation
Fig. 1 is the contour structures schematic diagram of a kind of multichannel PoE charger of the present utility model；
Fig. 2 is the circuit diagram of a kind of multichannel 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, installing plate, 41, current sampling circuit, 42, output voltage sampling circuit, 43, supply port circuit, 81, Wiring port, 82, installing 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:
nullSuch as Fig. 1、Shown in Fig. 2，A kind of multichannel PoE charger，Including casing 1、Power module 2、Plural power supply unit，Each power supply unit includes PWM controller 3、PSE supply module 4、DC source conversion module 5，Multichannel PoE charger also includes display screen 6，Each power supply unit also includes 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，Display screen 6 connects power module 2，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 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，The PWM controller 3 of all power supply units is all connected by bus with display screen 6，Installing plate 8 it is additionally provided with in casing 1，Installing plate 8 is provided with Wiring port 81 and installing hole 82.
The DC source of 12V is transformed to the unidirectional current of 3.3V and is supplied to PWM controller 3 by DC source conversion module 5, display screen 6 is powered by power module 2, display screen 6 can be arranged on installing plate 8 or other of shell 1 is easy to the position observed, 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.Wiring port 81 connects supply port circuit 43 and exposes on installing plate 8, is used for connecting switch, imaging first-class terminal unit.
Preferably, bus is RS-485 bus.By RS-485 bus, each PWM controller 3 provides each PSE supply module 4 running state data and fault message for display screen 6, PWM controller 3 sends control instruction to the supply port circuit 43 of this power supply unit, obtains the electric current of outfan, voltage data from the output current sampling circuit 41 of this power supply unit, 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, reduces overall weight, is connected in frame by multichannel PoE charger by installing hole 82 during installation.
When multichannel PoE charger is properly functioning, display screen 6 is shown that the electric current of each PSE supply module 4 outfan, voltage data, when there is over current fault in certain power supply unit, PWM controller 3 sends instruction in time, electrical switch 7 turns off, demonstrating, on display screen 6, the fault message comprising this power supply unit title, 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 (5)
- null1. a multichannel PoE charger，Including casing、Power module、Plural power supply unit，Each power supply unit includes PWM controller、PSE supply module、DC source conversion module，It is characterized in that，Described multichannel PoE charger also includes display screen，Each power supply unit also includes 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 display screen connects power module，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 PWM controller，Described PWM controller connects electronic switch controling end，Described PWM controller is connected by bus with PSE supply module，The PWM controller of all power supply units is all connected by bus with display screen，It is additionally provided with installing plate in described casing，Installing plate is provided with Wiring port and installing hole.
- 2. multichannel PoE charger as claimed in claim 1, it is characterised in that described bus is RS-485 bus.
- 3. multichannel PoE charger as claimed in claim 1, it is characterised in that the running unit of described electrical switch is field effect transistor.
- 4. multichannel PoE charger as claimed in claim 1, it is characterised in that described casing is aluminum casing.
- 5. multichannel PoE charger as claimed in claim 1, it is characterised in that described display screen is LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257844.9U CN205545309U (en) | 2016-03-30 | 2016-03-30 | Multichannel poE ware of supplying power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257844.9U CN205545309U (en) | 2016-03-30 | 2016-03-30 | Multichannel poE ware of supplying power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205545309U true CN205545309U (en) | 2016-08-31 |
Family
ID=56786699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620257844.9U Expired - Fee Related CN205545309U (en) | 2016-03-30 | 2016-03-30 | Multichannel poE ware of supplying power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205545309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108111316A (en) * | 2016-11-25 | 2018-06-01 | 新华三技术有限公司 | A kind of PSE |
-
2016
- 2016-03-30 CN CN201620257844.9U patent/CN205545309U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108111316A (en) * | 2016-11-25 | 2018-06-01 | 新华三技术有限公司 | A kind of PSE |
| CN108111316B (en) * | 2016-11-25 | 2020-02-11 | 新华三技术有限公司 | PSE (Power supply Environment) |
| US11025441B2 (en) | 2016-11-25 | 2021-06-01 | New H3C Technologies Co., Ltd. | Power supply |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20200330 |