CN212086215U - Control circuit of high-power isolation POE module - Google Patents
Control circuit of high-power isolation POE module Download PDFInfo
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- CN212086215U CN212086215U CN202021024404.1U CN202021024404U CN212086215U CN 212086215 U CN212086215 U CN 212086215U CN 202021024404 U CN202021024404 U CN 202021024404U CN 212086215 U CN212086215 U CN 212086215U
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Abstract
The utility model provides a control circuit of high-power isolation POE module, including POE network input interface, the separating circuit module, data signal output interface, the power control circuit module, switching power supply circuit module and power output interface, POE network input interface is used for receiving outside POE power signal and network data signal and separates out network data signal transmission data signal output interface through the separating circuit module, POE network input interface is connected to power control circuit module input and is used for receiving network voltage signal, power control circuit module output connects switching power supply circuit module input, switching power supply circuit module output passes through power output interface connection POE powered device. The utility model provides a control circuit of high-power 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
Technical Field
The utility model relates to a POE module technical field, more specifically the utility model relates to a control circuit of POE module is kept apart to high-power.
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 control circuit structural design of POE module is comparatively complicated to usual high-power isolation, adopts a plurality of circuit combinations to accomplish mostly, leads to the circuit integration 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 control circuit of high-power POE module of keeping apart aims at solving among the prior art too much the control circuit that leads to the integrated level low of high-power POE module of keeping apart, 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 control circuit of the high-power POE module of keeping apart of commonality.
In order to realize the technical purpose, the technical proposal of the utility model is that:
the utility model discloses a control circuit of high-power isolation POE module, including POE network input interface, separating circuit module, data signal output interface, power control circuit module, switching power supply circuit module and power output interface, POE network input interface is used for receiving outside POE power signal and network data signal and warp the separating circuit module separates out network data signaling and sends the data signal output interface, power control circuit module input is connected POE network input interface is used for receiving network voltage signal, power control circuit module output is connected switching power supply circuit module input, switching power supply circuit module output passes through power output interface connection POE powered device.
Further, the power control circuit module comprises a rectifying circuit unit, a protection circuit unit and a power management chip, the rectifying circuit unit is connected with one end of the protection circuit unit, the other end of the protection circuit unit is connected with the power management chip, a VDD pin of the power management chip is connected with a power input interface, the power input interface is used for being connected with an external power supply to provide direct current voltage, and the direct current voltage is 42-55V.
Further, the protection circuit unit comprises a piezoresistor, a transformer, a capacitor and a diode, the cathodes of the piezoresistor, the capacitor and the diode are connected with the common ends of the 3 pins and the 4 pins of the transformer, the anodes of the piezoresistor, the capacitor and the diode are connected with the common ends of the 1 pin and the 2 pins of the transformer, the model of the piezoresistor is RT2V30MLA1210, and the model of the diode is a transient voltage diode and SMAJ 58A.
Further, the model of the power management chip is TPS 2373.
Further, the switching power supply circuit module comprises a switching power supply processing chip, and the model of the switching power supply processing chip is UCC 2897-1.
Further, the power output interface comprises a first power output terminal and a second power output terminal, and the first power output terminal and the second power output terminal are connected in parallel.
The utility model provides a control circuit of high-power POE module of keeping apart, its beneficial effect lies in:
the utility model provides a control circuit of high-power 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 functional block diagram of a control circuit of a high-power isolation POE module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a separation circuit module in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a power control circuit 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 control circuit of high-power isolation POE module, including POE network input interface 10, separating circuit module 20, data signal output interface 30, power control circuit module 40, switching power supply circuit module 50 and power output interface 60, POE network input interface 10 is used for receiving outside POE power signal and network data signal and warp separating circuit module 20 separates out network data signaling data output interface 30, power control circuit module 40 input is connected POE network input interface 10 is used for receiving network voltage signal, power control circuit module 40 output is connected switching power supply circuit module 50 input, switching power supply circuit module 50 output passes through power output interface 60 and connects POE powered device.
The power control circuit module 40 includes a rectifier circuit unit 401, a protection circuit unit 402 and a power management chip 403, the rectifier circuit unit 401 is connected to one end of the protection circuit unit 402, the other end of the protection circuit unit 402 is connected to the power management chip 403, a VDD pin of the power management chip 403 is connected to a power input interface 404, the power input interface 404 is used for being connected to an external power supply to provide a dc voltage, and the dc voltage is 42-55V.
The protection circuit unit 402 comprises a piezoresistor RT2, a transformer L3, a capacitor C12 and a diode D10, the cathodes of the piezoresistor RT2, the capacitor C12 and the diode D10 are connected with the common ends of the 3 pins and the 4 pins of the transformer L3, the anodes of the piezoresistor RT2, the capacitor C12 and the diode D10 are connected with the common ends of the 1 pin and the 2 pins of the transformer L3, the model of the piezoresistor RT2 is RT2V30MLA1210, the diode D10 is a transient voltage diode, and the model is SMAJ 58A.
The power management chip 403 is model TPS 2373.
The switching power supply circuit module 50 comprises a switching power supply processing chip, and the model of the switching power supply processing chip is UCC 2897-1.
The power output interface 60 comprises a first power output terminal 601 and a second power output terminal 602, wherein the first power output terminal 601 and the second power output terminal 602 are connected in parallel, and the output voltage is a direct current voltage 12V.
The utility model provides a control circuit of high-power POE module of keeping apart, its beneficial effect lies in:
the utility model provides a control circuit of high-power 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.
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. The utility model provides a control circuit of high-power isolation POE module, its characterized in that, including POE network input interface, separating circuit module, data signal output interface, power control circuit module, switching power supply circuit module and power output interface, POE network input interface is used for receiving outside POE power signal and network data signal and warp the separating circuit module separates out network data signaling and sends the data signal output interface, power control circuit module input is connected POE network input interface is used for receiving network voltage signal, power control circuit module output is connected switching power supply circuit module input, switching power supply circuit module output passes through power output interface connection POE powered device.
2. The control circuit according to claim 1, wherein the power control circuit module comprises a rectifier circuit unit, a protection circuit unit and a power management chip, the rectifier circuit unit is connected with one end of the protection circuit unit, the other end of the protection circuit unit is connected with the power management chip, a VDD pin of the power management chip is connected with a power input interface, the power input interface is used for being connected with an external power supply to provide direct current voltage, and the direct current voltage is 42-55V.
3. The control circuit of claim 2, wherein the protection circuit unit comprises a piezoresistor, a transformer, a capacitor and a diode, the cathodes of the piezoresistor, the capacitor and the diode are connected with the common end of the pins 3 and 4 of the transformer, the anodes of the piezoresistor, the capacitor and the diode are connected with the common end of the pins 1 and 2 of the transformer, the model of the piezoresistor is RT2V30MLA1210, and the model of the diode is a transient voltage diode, and the model of the diode is SMAJ 58A.
4. The control circuit of claim 2, wherein the power management chip model is TPS 2373.
5. The control circuit of claim 1, wherein the switching power supply circuit module comprises a switching power supply processing chip of a UCC2897-1 type.
6. The control circuit of claim 1, wherein the power output interface comprises a first power output terminal and a second power output terminal, the first power output terminal and the second power output terminal being connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024404.1U CN212086215U (en) | 2020-06-05 | 2020-06-05 | Control circuit of high-power isolation POE module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024404.1U CN212086215U (en) | 2020-06-05 | 2020-06-05 | Control circuit of high-power isolation POE module |
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| CN212086215U true CN212086215U (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021024404.1U Active CN212086215U (en) | 2020-06-05 | 2020-06-05 | Control circuit of high-power isolation POE module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114143122A (en) * | 2021-11-25 | 2022-03-04 | 努比亚技术有限公司 | Base station power supply device and electronic price tag system |
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2020
- 2020-06-05 CN CN202021024404.1U patent/CN212086215U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114143122A (en) * | 2021-11-25 | 2022-03-04 | 努比亚技术有限公司 | Base station power supply device and electronic price tag system |
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