CN211878455U - Control circuit for isolating POE module - Google Patents
Control circuit for isolating POE module Download PDFInfo
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- CN211878455U CN211878455U CN202021025208.6U CN202021025208U CN211878455U CN 211878455 U CN211878455 U CN 211878455U CN 202021025208 U CN202021025208 U CN 202021025208U CN 211878455 U CN211878455 U CN 211878455U
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Abstract
The utility model provides a control circuit for isolating POE module, which comprises a POE network input jumper interface, a network output jumper interface, a power output jumper interface, a network transformer separation circuit module and a power circuit module; one end of the POE network input jumper interface is connected with a network signal provided by an external POE switch, the other end of the POE network input jumper interface is connected with the input ends of the network transformer separation circuit module and the power circuit module, the output end of the network transformer separation circuit module is connected with a network output jumper interface, and the network output jumper interface is used for outputting network data to POE powered equipment; the output end of the power circuit module is connected with a power output jumper interface, and the power output jumper interface is used for supplying power to the POE powered device. The utility model provides an keep apart POE module's control circuit is used for realizing the network and the signal of power autosegregation of POE switch, has protection circuit, and the circuit integrated level is high, and the energy consumption is low, and the dependable performance is stable, and it is convenient to maintain.
Description
Technical Field
The utility model relates to a POE technical field, more specifically the utility model relates to an keep apart control circuit of 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.
The general POE power supply module circuit structure 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 loses the competitiveness.
SUMMERY OF THE UTILITY MODEL
The utility model provides an keep apart control circuit of POE module aims at solving among the prior art too much the control circuit who keeps apart the POE module and leads to the integrated level 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 lower control circuit who keeps apart the POE module of later maintenance cost.
In order to realize the technical purpose, the technical proposal of the utility model is that:
the utility model discloses a control circuit for isolating POE module, which comprises a POE network input jumper interface, a network output jumper interface, a power output jumper interface, a network transformer separation circuit module and a power circuit module; one end of the POE network input jumper interface is connected with a network signal provided by an external POE switch, the other end of the POE network input jumper interface is connected with the input ends of the network transformer separation circuit module and the power circuit module, the output end of the network transformer separation circuit module is connected with a network output jumper interface, and the network output jumper interface is used for outputting network data to POE powered equipment; the power circuit module output is connected power output jumper interface, power output jumper interface is used for providing the power supply for POE powered device.
Further, power supply circuit module includes rectification filter circuit unit, microprocessor chip, frequency conversion circuit unit, secondary rectification filter circuit unit and voltage output circuit unit, rectification filter circuit unit is used for receiving network voltage of POE network input jumper wire interface output carries after rectification, filtering frequency conversion circuit unit and microprocessor chip, microprocessor chip is used for receiving rectification filter circuit unit voltage signal and right frequency conversion circuit unit sends control signal, secondary rectification filter circuit unit input is connected frequency conversion circuit unit, its output passes through voltage output circuit unit is outside output voltage.
Furthermore, the power circuit module further comprises a current and voltage detection feedback circuit unit, wherein the current and voltage detection feedback circuit unit is used for collecting current and voltage signals output by the voltage output circuit unit and feeding the current and voltage signals back to the micro-processing chip through the frequency conversion circuit unit, and the micro-processing chip outputs the feedback current and voltage signals to the frequency conversion circuit unit to output adjustment control signals.
Further, the model of the micro-processing chip is TPS 23753A.
Further, including the LED pilot lamp, the LED pilot lamp has anodal and negative pole, anodal pin 7 of connecting POE network input wire jumper interface, the pin 8 of POE network input wire jumper interface is connected to the negative pole.
Further, still include DC voltage circuit unit, DC voltage circuit unit has positive output and negative output, positive output connects POE network input jumper wire interface's foot 10, the negative output connects POE network input jumper wire interface's foot 9.
The utility model provides an keep apart control circuit of POE module, its beneficial effect lies in:
the utility model provides an keep apart POE module's control circuit is used for realizing the network and the signal of power autosegregation of POE switch, has multiple protection circuit, and the circuit integrated level is high, and the energy consumption is low, and the dependable performance is stable, and it is convenient to maintain, therefore the range of application is wide.
Drawings
Fig. 1 is a functional block diagram of a control circuit for isolating a POE module according to an embodiment of the present invention;
fig. 2 is a functional block diagram of a power circuit module in a control circuit of the isolated POE module according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a control circuit structure for isolating the POE 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 will be made with reference to fig. 1, fig. 2 and fig. 3, but the present invention is not limited to the technical solution.
The control circuit for isolating the POE module provided by the embodiment of the utility model comprises a POE network input jumper interface 10, a network output jumper interface 20, a power output jumper interface 30, a network transformer separation circuit module 40 and a power circuit module 50; one end of the POE network input jumper interface 10 is connected to a network signal provided by an external POE switch, the other end of the POE network input jumper interface is connected to the input ends of the network transformer separation circuit module 40 and the power circuit module 50, the output end of the network transformer separation circuit module 40 is connected to a network output jumper interface 20, and the network output jumper interface 20 is used for outputting network data to a POE powered device; the output end of the power circuit module 50 is connected to the power output jumper interface 30, and the power output jumper interface 30 is used for supplying power to the POE powered device.
Wherein, power supply circuit module 50 includes rectification filter circuit unit 501, microprocessor chip 502, frequency conversion circuit unit 503, secondary rectification filter circuit unit 504 and voltage output circuit unit 505, rectification filter circuit unit 501 is used for receiving network voltage that POE network input jumper wire interface 10 output carries after rectification, filtering frequency conversion circuit unit 503 and microprocessor chip 502, microprocessor chip 502 is used for receiving rectification filter circuit unit 501 voltage signal and right frequency conversion circuit unit 503 sends control signal, secondary rectification filter circuit unit 504 input is connected frequency conversion circuit unit 503, and its output passes through voltage output circuit unit 505 outside output voltage.
The power circuit module 50 further includes a current-voltage detection feedback circuit unit 506, the current-voltage detection feedback circuit unit 506 is configured to collect a current-voltage signal output by the voltage output circuit unit 505 and feed the current-voltage signal back to the micro-processing chip 502 through the frequency conversion circuit unit 503, and the micro-processing chip 502 outputs a regulation control signal to the frequency conversion circuit unit 503 according to the fed-back current-voltage signal.
The microprocessor chip 502 is model number TPS 23753A.
Keep apart POE module's control circuit includes LED pilot lamp 60, LED pilot lamp 60 has anodal and negative pole, anodal foot 7 of connecting POE network input jumper interface 10, POE network input jumper interface 10's foot 8 is connected to the negative pole.
The control circuit who keeps apart the POE module still includes DC voltage circuit unit 70, DC voltage circuit unit 70 has positive output and negative output, positive output is connected the foot 10 of POE network input wire jumper interface 10, the foot 9 of POE network input wire jumper interface 10 is connected to the negative output.
The utility model provides an keep apart control circuit of POE module, its beneficial effect lies in:
the utility model provides an keep apart POE module's control circuit is used for realizing the network and the signal of power autosegregation of POE switch, has multiple protection circuit, and the circuit integrated level is high, and the energy consumption is low, and the dependable performance is stable, and it is convenient to maintain, therefore the range of application is wide.
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 (6)
1. A control circuit for isolating a POE module is characterized by comprising a POE network input jumper interface, a network output jumper interface, a power output jumper interface, a network transformer separation circuit module and a power circuit module; one end of the POE network input jumper interface is connected with a network signal provided by an external POE switch, the other end of the POE network input jumper interface is connected with the input ends of the network transformer separation circuit module and the power circuit module, the output end of the network transformer separation circuit module is connected with a network output jumper interface, and the network output jumper interface is used for outputting network data to POE powered equipment; the power circuit module output is connected power output jumper interface, power output jumper interface is used for providing the power supply for POE powered device.
2. The control circuit according to claim 1, wherein the power circuit module includes a rectifying and filtering circuit unit, a micro-processing chip, a frequency conversion circuit unit, a secondary rectifying and filtering circuit unit, and a voltage output circuit unit, the rectifying and filtering circuit unit is configured to receive the network voltage output by the POE network input jumper interface, rectify and filter the network voltage, and then deliver the network voltage to the frequency conversion circuit unit and the micro-processing chip, the micro-processing chip is configured to receive a voltage signal of the rectifying and filtering circuit unit and send a control signal to the frequency conversion circuit unit, an input end of the secondary rectifying and filtering circuit unit is connected to the frequency conversion circuit unit, and an output end of the secondary rectifying and filtering circuit unit outputs the voltage to the outside through the voltage output circuit unit.
3. The control circuit according to claim 2, wherein the power circuit module further comprises a current-voltage detection feedback circuit unit, the current-voltage detection feedback circuit unit is configured to collect the current-voltage signal output by the voltage output circuit unit and feed the current-voltage signal back to the microprocessor chip through the frequency conversion circuit unit, and the microprocessor chip outputs the feedback current-voltage signal to the frequency conversion circuit unit to output the regulation control signal.
4. The control circuit of claim 2 or 3, wherein the micro-processing chip model is TPS 23753A.
5. The control circuit of claim 1, comprising an LED indicator having a positive terminal connected to pin 7 of the POE network input jumper interface and a negative terminal connected to pin 8 of the POE network input jumper interface.
6. The control circuit of claim 1, further comprising a dc voltage circuit unit having a positive output connected to pin 10 of the POE network input jumper interface and a negative output connected to pin 9 of the POE network input jumper interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021025208.6U CN211878455U (en) | 2020-06-05 | 2020-06-05 | Control circuit for isolating POE module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021025208.6U CN211878455U (en) | 2020-06-05 | 2020-06-05 | Control circuit for isolating POE module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211878455U true CN211878455U (en) | 2020-11-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021025208.6U Active CN211878455U (en) | 2020-06-05 | 2020-06-05 | Control circuit for isolating POE module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211878455U (en) |
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2020
- 2020-06-05 CN CN202021025208.6U patent/CN211878455U/en active Active
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