CN212086216U

CN212086216U - High-power photoelectric isolation POE module

Info

Publication number: CN212086216U
Application number: CN202021028649.1U
Authority: CN
Inventors: 张燕红
Original assignee: Shenzhen Weiqin Electronic Technology Co ltd
Current assignee: Shenzhen Weiqin Electronic Technology Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2020-12-04
Anticipated expiration: 2030-06-05

Abstract

The utility model provides a high-power photoelectric isolation POE module, including POE network input interface, separating circuit, power supply circuit and power output interface, POE network input interface is used for receiving outside POE signal and network data signal warp separating circuit handles and separates out network data signal and voltage signal, POE equipment is carried to network data signal, voltage signal exports the power supply circuit input, power supply circuit passes through after rectification filtering handles the power output interface is POE equipment power supply. The utility model provides a high-power photoelectric isolation POE module has protection circuit, and the circuit integrated level is high, and power is big, and the energy consumption is low, and the dependable performance is stable, and the commonality is strong.

Description

High-power photoelectric isolation POE module

Technical Field

The utility model relates to a POE module technical field, more specifically the theory relates to a high-power photoelectric isolation POE module.

Background

The POE power supply module refers to an existing ethernet CAT-5 wiring infrastructure, and supplies power while transmitting data by means of a conventional ethernet cable without any change, so that the cable can provide a dc power supply capability for ethernet terminal devices such as an IP telephone, a wireless local area network access point AP, a secure network camera, and other IP-based terminals while transmitting data signals for such devices.

General high-power optoelectronic isolation POE module structural design is comparatively complicated, adopts a plurality of circuit combinations to accomplish mostly, leads to the circuit integrated level lower like this, and the reliability is relatively poor, and the system is unstable, and the cost is too high and lose the competitiveness.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-power photoelectric isolation POE module aims at solving among the prior art too much leading to the integrated level of high-power photoelectric isolation POE module low, and the reliability is relatively poor, the unstable and with high costs problem of system. In order to overcome above problem, the utility model provides an integrated level is high, and the energy consumption is low, and the security performance is good, the high-power photoelectric isolation POE module that the commonality is strong.

In order to realize the technical purpose, the technical proposal of the utility model is that:

the utility model discloses a high-power photoelectric isolation POE module, including POE network input interface, separating circuit, power supply circuit and power output interface, POE network input interface is used for receiving outside POE signal and network data signal warp separating circuit handles and separates out network data signal and voltage signal, POE equipment is carried to network data signal, voltage signal exports the power supply circuit input, power supply circuit passes through after rectification filtering handles the power output interface is POE equipment power supply.

Furthermore, the separation circuit comprises a first network transformer, a second network transformer, a third network transformer, a fourth network transformer, a fifth network transformer and a sixth network transformer, wherein two ends of a primary coil of the first network transformer are connected with a pin 1 and a pin 2 of a POE network input interface, and a center tap of the primary coil of the first network transformer is connected with a VA1 input end of the power supply circuit; two ends of the primary coil of the second network transformer are connected with pins 3 and 6 of a POE network input interface, and a middle tap of the primary coil of the second network transformer is connected with the input end of VA2 of the power circuit; two ends of the primary coil of the third network transformer are connected with a pin 4 and a pin 5 of a POE network input interface, and the middle tap of the primary coil of the third network transformer is connected with the input end of VB1 of the power circuit; and two ends of the primary coil of the fourth network transformer are connected with a pin 7 and a pin 8 of the POE network input interface, and the middle tap of the primary coil of the fourth network transformer is connected with the VB2 input end of the power circuit.

Furthermore, the power supply circuit comprises a rectifying circuit unit, a protection circuit unit, a power supply control chip, a switch circuit unit, a transformer circuit unit and an output circuit unit which are connected in sequence, wherein the output circuit unit is connected with the power supply output interface.

Further, the model of the power control chip is TPS 2373.

Further, the switch circuit unit comprises a switch power supply processing chip, and the model of the switch power supply processing chip is UCC 2897A.

The utility model provides a high-power photoelectric isolation POE module, its beneficial effect lies in:

the utility model provides a high-power photoelectric isolation POE module has protection circuit, and the circuit integrated level is high, and power is big, and the energy consumption is low, and the dependable performance is stable, and the commonality is strong.

Drawings

Fig. 1 is a schematic structural diagram of a high-power optoelectronic isolation POE module according to an embodiment of the present invention;

fig. 2 is a functional block diagram of a high-power optoelectronic isolation POE module according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a power module according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The detailed description of the embodiments of the present invention is provided with reference to fig. 1 to 3, but the present invention is not limited to the technical solution.

The embodiment of the utility model provides a high-power photoelectric isolation POE module, including POE network input interface 10, separating circuit 20, power supply circuit 30 and power output interface 40, POE network input interface 10 is used for receiving outside POE signal and network data signal warp separating circuit 20 handles and separates out network data signal and voltage signal, POE equipment is carried to network data signal, voltage signal exports power supply circuit 30 input, power supply circuit 30 passes through after rectification filtering handles power output interface 40 is the power supply of POE equipment, and POE network input interface 10 is RJ45 network interface.

The splitting circuit 20 includes first to fourth network transformers, two ends of a primary coil of the first network transformer T1 are connected to

pins

1 and 2 of the POE network input interface 10, and a center tap of a primary coil of the first network transformer T1 is connected to a VA1 input end of the power circuit 30; two ends of a primary coil of the second network transformer T2 are connected with a pin 3 and a pin 6 of a POE network input interface 10, and a middle tap of a primary coil of the second network transformer T2 is connected with a VA2 input end of the power circuit 30; two ends of the primary coil of the third network transformer T3 are connected to pins 4 and 5 of the POE network input interface 10, and a center tap of the primary coil of the third network transformer T3 is connected to a VB1 input terminal of the power circuit 30; and two ends of the primary coil of the fourth network transformer T4 are connected with a pin 7 and a pin 8 of a POE network input interface 10, and the middle tap of the primary coil of the fourth network transformer T4 is connected with the VB2 input end of the power circuit 30.

The power circuit 30 includes a rectifying circuit unit 301, a protection circuit unit 302, a power control chip 303, a switch circuit unit, a transformer circuit unit and an output circuit unit, which are connected in sequence, and the output circuit unit is connected to the power output interface 40.

The power control chip 303 is model TPS 2373.

The switch circuit unit comprises a switch power supply processing chip, and the model of the switch power supply processing chip is UCC 2897A.

the utility model provides a high-power photoelectric isolation POE module has overload and short-circuit protection, and the circuit integrated level is high, and power is big, and the energy consumption is low, and the dependable performance is stable, and the commonality is strong.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high-power photoelectric isolation POE module, its characterized in that includes POE network input interface, splitter circuit, power supply circuit and power output interface, POE network input interface is used for receiving outside POE power signal and network data signal warp splitter circuit handles and separates out network data signal and voltage signal, POE equipment is carried to network data signal, voltage signal exports the power supply circuit input, power supply circuit passes through after the rectification filtering processing power output interface supplies power for POE equipment.

2. The POE module with high power and optical isolation as claimed in claim 1, wherein the splitting circuit comprises first to fourth network transformers, two ends of a primary coil of the first network transformer are connected to pins 1 and 2 of the POE network input interface, and a center tap of the primary coil of the first network transformer is connected to a VA1 input end of the power circuit; two ends of the primary coil of the second network transformer are connected with pins 3 and 6 of a POE network input interface, and a middle tap of the primary coil of the second network transformer is connected with the input end of VA2 of the power circuit; two ends of the primary coil of the third network transformer are connected with a pin 4 and a pin 5 of a POE network input interface, and the middle tap of the primary coil of the third network transformer is connected with the input end of VB1 of the power circuit; and two ends of the primary coil of the fourth network transformer are connected with a pin 7 and a pin 8 of the POE network input interface, and the middle tap of the primary coil of the fourth network transformer is connected with the VB2 input end of the power circuit.

3. The POE module with high power and optical isolation as claimed in claim 1, wherein the power circuit comprises a rectifying circuit unit, a protection circuit unit, a power control chip, a switch circuit unit, a transformer circuit unit and an output circuit unit, which are connected in sequence, and the output circuit unit is connected to the power output interface.

4. The POE module with high power and photoelectric isolation as claimed in claim 3, wherein the model of the power control chip is TPS 2373.

5. The POE module with high power and optical isolation as claimed in claim 3, wherein the switch circuit unit comprises a switch power supply processing chip, and the model of the switch power supply processing chip is UCC 2897A.