CN210899203U

CN210899203U - POE power supply management circuit

Info

Publication number: CN210899203U
Application number: CN201921181079.7U
Authority: CN
Inventors: 郑永春; 陈建苗; 周飞标; 陈桂平
Original assignee: Hangzhou Liai Intelligent Technology Co ltd
Current assignee: Hangzhou Liai Intelligent Technology Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-06-30
Anticipated expiration: 2029-07-25

Abstract

A POE power supply management circuit comprises a POE local area network input module, a POE local area network output module and a POE power supply management module, wherein the POE local area network input module and the POE local area network output module are respectively connected with the POE power supply management module; and the POE local area network input module and the POE local area network output module are used for power supply and data transmission.

Description

POE power supply management circuit

Technical Field

The utility model belongs to the technical field of intelligent electronic control, concretely relates to POE power supply management circuit.

Background

With the continuous acceleration of the civilized construction process of the human society, the development of the environmental sanitation and the intelligent degree of the public environment, namely the toilet, is faster and faster, and the intelligent toilet for carrying out wired networking/wireless networking based on various data detection or control display has larger and larger application requirements.

In the network control of the traditional toilet, the network cable input and the power supply are realized independently, namely, the network cable only provides network information transmission, and the power supply is independent electric wire power supply, so that the management and monitoring of the whole toilet environment and a plurality of toilet places in the toilet are realized, the circuits are various and complicated, the circuits are too many, the control management is a little redundant, the power supply and the control cannot be effectively simplified, and the optimization management is not facilitated.

Therefore, there is a need for an improvement over conventional power supply.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, a POE power supply management circuit is provided, is applied to intelligent lavatory on, mainly can realize effectual power management.

In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

a POE power supply management circuit is characterized by comprising a POE local area network input module, a POE local area network output module and a POE power supply management module, wherein the POE local area network input module and the POE local area network output module are respectively connected with the POE power supply management module;

and the POE local area network input module and the POE local area network output module are used for power supply and data transmission. The POE local area network input module is used for data bidirectional and voltage input, and the POE local area network output module is used for data bidirectional transmission and voltage output.

And the POE local area network input module or the POE local area network output module adopts a network port transformer.

The network port transformer adopts a chip with the H1102 model.

The POE power supply management module comprises a MOS tube Q7, a MOS tube Q8, a resistor R61 and a resistor R62, wherein the MOS tube Q7, the resistor R61, the resistor R62 and the MOS tube Q7 are sequentially connected.

The MOS tube Q7 adopts FDT434P _ P _60V _2.5A model or the MOS tube Q8 adopts 2N7002K-T1-GE 3.

POE power supply management module still includes two paster rectifier bridge circuits, and 2 feet, the 1 handing-over of paster rectifier bridge connect voltage input end, voltage output respectively.

The POE power supply management module further comprises a power supply circuit formed by connecting the chip U14 and the chip U13.

The patch rectifier Bridge circuit adopts a Bridge _ MB2S _ SO4 model.

Still include net twine interface circuit, net twine interface circuit with POE LAN input module, POE LAN input module are connected respectively.

The network cable interface circuit adopts an RJ45/TOP _ Tab/2 chip.

Compared with the prior art, the utility model, beneficial effect is: adopt this circuit to realize the net twine direct power supply, utilized POE LAN input module, POE LAN output module to realize one-way input, the one-way output of voltage respectively, realized data signal's bidirectional transmission again simultaneously, improved the convenience to the control management in intelligence lavatory, simplified the complexity of traditional management.

Drawings

Fig. 1 is a schematic block diagram of a POE power supply management circuit;

FIG. 2 is a circuit diagram of a network cable interface;

fig. 3 is a circuit diagram of a POE lan input module;

fig. 4 is a circuit diagram of a POE lan output module;

fig. 5 is a partial circuit diagram of a POE power management module;

fig. 6 is another circuit diagram of the POE power management module.

Detailed Description

The technical solutions of the present invention are further described and illustrated by the following specific embodiments, so that the technical solutions are more clear and obvious.

Example 1

This embodiment relates to a POE power supply management circuit, as shown in fig. 1, including POE LAN input module, POE LAN output module and POE power supply management module, POE LAN input module, POE LAN output module respectively with POE power supply management module connects.

The POE power supply management circuit of the embodiment realizes voltage input through the POE local area network input module, and simultaneously realizes bidirectional data transmission; when voltage output is realized through the POE local area network input-output module, and data bidirectional transmission is realized. Compared with the traditional independent network cable for supplying network, the electric wire for supplying power and the line connection, the intelligent toilet is more convenient to collect various environment detection data and humid special environment,

as a preferred implementation, as shown in fig. 3 and fig. 4, the POE lan input module or the POE lan output module in this embodiment employs a network interface transformer. The network port transformer adopts a chip with the H1102 model.

In this embodiment, the 2 pins of the H1102 chip are respectively connected to a capacitor L1 and a capacitor C12, and the other end of the capacitor L1 is connected to a voltage of 3.3V. The capacitor L1 is of a Bead/603 type, and the capacitor C12 is 0.1 uF/16V.

In this embodiment, 7 of the H1102 chip is respectively connected to a capacitor L3, a capacitor C16, and the other end of the capacitor L1 is connected to a voltage of 3.3V. The capacitor L3 is of a Bead/603 type, and the capacitor C16 is 0.1 uF/16V.

As a preferred embodiment, the POE power supply management module includes several parts, one of which is a management circuit including a MOS transistor Q7, a MOS transistor Q8, a resistor R61, and a resistor R62, and as shown in fig. 5, the MOS transistor Q7, the resistor R61, the resistor R62, and the MOS transistor Q7 are connected in sequence.

The MOS tube Q7 adopts FDT434P _ P _60V _2.5A model or the MOS tube Q8 adopts 2N7002K-T1-GE 3. Resistor R61 is selected to be 47.5K ohms, and resistor R62 is selected to be 510K ohms.

As a preferred embodiment, the POE power supply management module further includes two patch rectifier bridge circuits, as shown in the upper right corner of fig. 6, the 2 pins and 1 crosspoints of the patch rectifier bridges are respectively connected to the voltage input terminal and the voltage output terminal. Preferably, the patch rectifier Bridge circuit is of a Bridge _ MB2S _ SO4 model.

As a preferred embodiment, as shown in fig. 6, the POE power supply management module further includes a power supply circuit formed by connecting a chip U14 and a chip U13, and supplies power to the PCB circuit board where the entire POE power supply management circuit is located. The chip U14 adopts a TPS2375 model control chip, and the chip U13 adopts an A8499 model voltage stabilizing chip.

As a preferred implementation manner, the POE power supply management circuit of this embodiment further includes a network cable interface circuit, as shown in fig. 2, where the network cable interface circuit is connected to the POE local area network input module and the POE local area network input module respectively.

As a preferred embodiment of the network cable interface circuit, the network cable interface circuit of the present embodiment uses an RJ45/TOP _ Tab/2 chip.

The above is the preferred embodiment of the present invention, and the protection scope of the present invention is not limited, and the deformation and improvement made by the design idea of the present invention for those skilled in the art should be considered as the protection scope of the present invention.

Claims

1. The utility model provides a POE power supply management circuit, its characterized in that, includes POE LAN input module, POE LAN output module and POE power management module, POE LAN input module, POE LAN output module respectively with POE power management module connects.

2. The POE power management circuit of claim 1, wherein the POE LAN input module or the POE LAN output module is a network interface transformer.

3. The POE power management circuit of claim 2, wherein the network port transformer is an H1102 chip.

4. The POE power management circuit of claim 1, wherein the POE power management module comprises a MOS transistor Q7, a MOS transistor Q8, a resistor R61 and a resistor R62, and the MOS transistor Q7, the resistor R61, the resistor R62 and the MOS transistor Q7 are connected in sequence.

5. The POE power management circuit as claimed in claim 4, wherein the MOS transistor Q7 is FDT434P _ P _60V _2.5A or the MOS transistor Q8 is 2N7002K-T1-GE 3.

6. The POE power management circuit of any of claims 1-4, wherein the POE power management module further comprises two patch rectifier bridge circuits, and the 2 pin and 1 pin of the patch rectifier bridge are respectively connected to the voltage input terminal and the voltage output terminal.

7. The POE power management circuit of any of claims 1-4, wherein the POE power management module further comprises a power circuit formed by connecting a chip U14 and a chip U13.

8. The POE power management circuit of claim 6, wherein the patch rectifier Bridge circuit is of Bridge _ MB2S _ SO4 type.

9. The POE power supply management circuit of claim 1, further comprising a network cable interface circuit, wherein the network cable interface circuit is connected to the POE lan input module and the POE lan input module, respectively.

10. The POE power management circuit of claim 9, wherein the network cable interface circuit is implemented with RJ45/TOP Tab/2 chip.