CN220401767U

CN220401767U - POE power supply system

Info

Publication number: CN220401767U
Application number: CN202322345322.7U
Authority: CN
Inventors: 王�忠
Original assignee: Wuhan Dazhong Tongda Network Technology Co ltd
Current assignee: Wuhan Dazhong Tongda Network Technology Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-01-26
Anticipated expiration: 2033-08-30

Abstract

The utility model discloses a POE power supply system, which comprises a power supply module PSE, an eight-core network cable and a plurality of power receiving ends PD, wherein the power supply module PSE comprises a power supply, a transformer and a primary network switch, the transformer converts 220V alternating current of the power supply into 48V direct current to supply power for the primary network switch, and the primary network switch is connected with the plurality of power receiving ends PD in series through the eight-core network cable. The POE power supply system uses a common network switch, a plurality of power receiving ends PD can be remotely connected in series by using an eight-core network cable, meanwhile, data signals are transmitted for the plurality of power receiving ends PD, the complexity of construction wiring is simplified, and the cost is saved.

Description

POE power supply system

Technical Field

The utility model relates to the technical field of POE power supply, in particular to a POE power supply system.

Background

POE (Power Over Ethernet) refers to providing POE power via a network cable without modifying the existing ethernet wiring infrastructure, so as to realize that one network cable transmits network data and POE power to a PD (Powered Device, such as IPC (IP Camera), etc.). When POE supplies power, PSE provides POE power to PD, and network data and POE power are input from the net gape of PD. When the PSE provides POE power for a plurality of PDs at different positions, the PDs at different positions are required to be directly connected with the PSE, and construction wiring is very complicated.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a POE power supply system.

The technical scheme of the utility model is as follows: the POE power supply system comprises a monitoring host, a power supply module PSE, an eight-core network cable and a plurality of power receiving ends PD, wherein the monitoring host is connected with the power supply module PSE through the eight-core network cable, and the power supply module PSE is connected with the plurality of power receiving ends PD in series through the eight-core network cable; the eight-core net wire comprises eight wire cores, wherein the 1, 2, 3 and 6 wire cores are used for data transmission, and the 4, 5, 7 and 8 wire cores are used for power supply.

Further, the power supply module PSE comprises a power source, a transformer and a primary network switch, the primary network switch being connected to the power source via the transformer.

Further, the powered end PD all includes POE power conversion module, camera and secondary network switch, and POE power conversion module includes 12V transformer and 5V transformer, and 12V transformer and 5V transformer provide suitable voltage for camera, secondary network switch respectively, and the camera passes through eight core net twines with secondary network switch and is connected.

Further, the secondary network switch is provided with a plurality of RJ45 ports.

Further, when the power receiving end PD connected to the power supply module PSE receives POE power from the power supply module PSE and the power receiving end PD is connected to only the power receiving end PD, 3 POE power from other power receiving end PDs is received.

Compared with the prior art, the utility model has the advantages that: the monitoring host is connected with the power supply module PSE through a network cable, the power supply module PSE connects a plurality of power receiving ends PD in series through an eight-core network cable, the 1, 2, 3 and 6 wire cores of the eight-core network cable are utilized to walk data, the 4, 5, 7 and 8 wire cores are utilized to supply power, and only a single network cable is utilized to realize power supply and data transmission of a plurality of terminal devices, so that the wire arrangement is simplified, and the cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the whole of the present utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the utility model, are within the scope of the utility model.

Specific embodiments of the present utility model will be described below with reference to the accompanying drawings:

as shown in fig. 1, a POE power supply system includes a monitoring host, a power module PSE, an eight-core network cable, and a plurality of power receiving terminals PD, where the monitoring host is connected with the power module PSE through the eight-core network cable, and the power module PSE is connected in series with the plurality of power receiving terminals PD through the eight-core network cable. The eight-core net wire comprises eight wire cores, wherein the 1, 2, 3 and 6 wire cores are used for data transmission, and the 4, 5, 7 and 8 wire cores are used for power supply. The power supply module PSE comprises a power supply, a transformer and a primary network switch, wherein the primary network switch is connected with the power supply through the transformer. The 220V alternating current provided by the power supply is converted into 48V direct current suitable for the primary switch through the transformer. And (3) taking the wire cores 4 and 5 as cathodes and the wire cores 7 and 8 as anodes, and connecting the power receiving ends PD into a power supply circuit. The power receiving end PD all includes POE power conversion module, camera and secondary network switch, and POE power conversion module includes 12V transformer and 5V transformer, and 12V transformer and 5V transformer are respectively with 48V's voltage conversion 12V voltage and be fit for secondary network switch's 5V voltage for the camera, and the camera passes through eight core net twines with secondary network switch and is connected. The camera and the secondary network switch are connected in series in the same power supply circuit, and the camera can transmit data to the secondary network switch. The secondary network switch is provided with a plurality of RJ45 ports, and the secondary network switch is connected with POE terminal equipment or non-POE equipment except for the camera through the RJ45 ports. The POE power supply of the power supply module PSE is received by the power receiving end PD connected with the power supply module PSE, when the power receiving end PD is connected with the power receiving end PD only, POE power supplies from other power receiving end PDs are received, the whole POE power supply system can realize common transportation of data and power only through one network cable, wiring is simple, and cost is low.

The working principle of the specific embodiment of the utility model is as follows: 220V alternating current of the power supply is converted into 48V direct current through a transformer to supply power for the whole POE power supply system. The monitoring host is connected with the primary switch to receive data of each powered end PD. The primary switch is connected with a plurality of power receiving ends PD in series through an eight-core network cable, so that the effect of simultaneous transportation of data and power is achieved. The POE power supply system simplifies the wiring structure, uses common switches and terminal equipment, and has lower cost.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper," "lower," "left," "right," "front," "back," and the like are used herein for illustrative purposes only.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims

1. POE power supply system, its characterized in that: the power supply system comprises a monitoring host, a power supply module PSE, an eight-core network cable and a plurality of power receiving ends PD, wherein the monitoring host is connected with the power supply module PSE through one eight-core network cable, and the power supply module PSE is connected with the plurality of power receiving ends PD in series through the eight-core network cable; the eight-core net wire comprises eight wire cores, wherein the wire cores 1, 2, 3 and 6 are used for data transmission, and the wire cores 4, 5, 7 and 8 are used for power supply.

2. The POE power supply system of claim 1, wherein: the power supply module PSE comprises a power supply, a transformer and a primary network switch, wherein the primary network switch is connected with the power supply through the transformer.

3. The POE power supply system of claim 1, wherein: the power receiving end PD all includes POE power conversion module, camera and secondary network switch, POE power conversion module includes 12V transformer and 5V transformer, 12V transformer with 5V transformer is respectively for the camera secondary network switch provides suitable voltage, the camera with secondary network switch passes through eight core network lines are connected.

4. A POE power supply system as set forth in claim 3 wherein: the secondary network switch is provided with a plurality of RJ45 ports.

5. The POE power supply system of claim 1, wherein: the power receiving end PD connected with the power supply module PSE receives POE power of the power supply module PSE, and when the power receiving end PD is only connected with the power receiving end PD, POE power from other power receiving end PDs is received.