CN104883261A - Pluggable network power supply module and power supply system - Google Patents

Pluggable network power supply module and power supply system Download PDF

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Publication number
CN104883261A
CN104883261A CN201510243118.1A CN201510243118A CN104883261A CN 104883261 A CN104883261 A CN 104883261A CN 201510243118 A CN201510243118 A CN 201510243118A CN 104883261 A CN104883261 A CN 104883261A
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connector
power supply
supply module
diode
pluggable
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CN201510243118.1A
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CN104883261B (en
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秦正田
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Yuntu Vision Hangzhou Technology Co ltd
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Plex VR Digital Technology Shanghai Co Ltd
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Abstract

The invention provides a pluggable network power supply module. The module comprises a connector J3, an integrated circuit U40, an integrated circuit U39, and a transformer T3, wherein the connector J3 inputs a direct voltage of 48V, and controls the allowance of the integrated circuit U39 via the network power supply protocol of the integrated circuit U40; and the integrated circuit U39 converts the direct voltage of 48V to a direct current of 12V via the transformer T3, and is connected to the connector J3. The invention further provides a power supply system based on the pluggable network power supply module. According to the invention, through the power supply system, the network power supply module can be used as an independent power supply module to select an accessory. Resources can be saved for clients who don't need the module. Since no extra design system is needed, research cost and production cost of an enterprise are reduced.

Description

Pluggable network power supply module and electric power system
Technical field
The present invention relates to electronic system technology field, particularly, relate to a kind of pluggable network power supply module and electric power system.
Background technology
Power over Ethernet (Power over Ethernet, be called for short PoE), powers also referred to as PoE, is a kind ofly in Etherloop, to carry out the technology on transferring electric power and data auto levelizer through twisted-pair feeder.The starting point of power over Ethernet allows the first-class mininet equipment of IP phone, WLAN access point, network shooting, directly can obtain electric power from ethernet line (2 couple idle 4 pairs of twisted-pair feeders is transmitted), without the need to laying power line separately, to simplify system wiring, reduce the construction cost of network infrastructure.
More and more network equipment can be powered by Power over Ethernet and then release power source special now, but also there is client still to use Power supply, such system is compatible two kinds of supply power modes simultaneously, concerning the client not using network power supply, it is the one waste of resource, and product category is various, add Corporation R & D and production cost.
Summary of the invention
The present invention is directed to above shortcomings in prior art, provide a kind of pluggable network power supply module and electric power system, network power supply (PoE) module of this electric power system adopts independently pluggable structure, concerning the client not needing network power supply, this module can not be equipped with, reduce cost; To the client needing network power supply, then adding this module, without the need to redesigning an electric power system, effectively reducing product category, reduce company's research and development and production cost.
For achieving the above object, the present invention is achieved by the following technical solutions.
According to an aspect of the present invention, provide a kind of pluggable network power supply module, comprising: connector J3, integrated circuit U40, integrated circuit U39 and transformer T3; Wherein:
Described connector J3 inputs 48V direct voltage, and enable by the network power supply protocol integrated test system integrated circuit U39 of integrated circuit U40, and 48V direct voltage is converted to 12V direct current by transformer T3 by described integrated circuit U39, and is connected to connector J3.
Preferably, described integrated circuit U39 adopts off-line type DC/DC controller chip.
According to a second aspect of the invention, provide a kind of electric power system, comprise power supply mainboard and above-mentioned pluggable network power supply module, wherein, removably connected by network interface between described pluggable network power supply module and power supply mainboard, between described pluggable network power supply module and power supply mainboard, be connected to form galvanic circle by network interface.
Preferably, described power supply mainboard comprises: connector J1, connector J2, connector J29, diode D21, diode D23 and diode D27; Wherein: described connector J1 is connected with connector J2 by diode D21, described connector J2 is connected to plate with the connector J3 plate of pluggable network power supply module, the connector J3 of described pluggable network power supply module is connected with connector J29, and described connector J29 is connected with connector J2 by diode D23 or diode D27.
Preferably, described electric power system comprises any one powering mode following:
-by pluggable network power supply module for power supply: 48V direct voltage is inputted by connector J29, and exports connector J2 to by diode D23 or diode D27 rectification, and connector J2 is connected to plate with the connector J3 plate of pluggable network power supply module; After connector J3 inputs 48V direct voltage to pluggable network power supply module, 12V direct current is exported by the transformer T3 of pluggable network power supply module, be connected to connector J3, be then connected to connector J2 by plate to plate, the connector J29 returning power supply mainboard exports;
-passing through external power source: external power source is directly exported by the connector J1 of power supply mainboard.
Preferably, when pluggable network power supply module and external power source simultaneously connecting system time, power supply mainboard accesses outside 12V direct current by connector J1, then by diode D21 with converged by the 12V direct current of connector J2:
When the voltage that the voltage that connector J1 accesses accesses higher than connector J2, adopt the powering mode by external power source;
When the voltage that the voltage that connector J2 accesses accesses higher than connector J1, adopt the powering mode by pluggable network power supply module for power supply.
Operation principle of the present invention is:
Input about 48V voltage from POE power supply unit (Ethernet) and enter electric power system, inputted by connector J29, then arrive diode D23 or output to after transformer T2 to diode D27 rectification J2 the 6th, 5 pin, J2 is just directly directly connected with the connector J3 of pluggable network power supply module.The about 48V direct voltage that connector J3 inputs, control integration circuit U 39 is carried out enable by the POE agreement of integrated circuit U40, integrated circuit U39 is an off-line type DC/DC controller chip, by transformer T3,48V direct voltage is converted to 12V DC power supply, is then connected to connector J3.When insert pluggable network power supply module time, connector J3 by connector J29 the system of converting to can 12V direct voltage for system; In time not having pluggable network power supply module, system is directly from external power source.Thus complete the pluggable function of pluggable network power supply module.
Compared with prior art, the present invention has following beneficial effect:
Owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, by an electric power system, allow network power supply module as independently supply module apolegamy part, to the client not needing this module, can economize on resources.
2, owing to not needing additional designs system, R&D costs and the production cost of enterprise is reduced.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is power supply motherboard circuit figure;
Fig. 2 is pluggable network power supply module circuit diagram.
Embodiment
Below embodiments of the invention are elaborated: the present embodiment is implemented under premised on technical solution of the present invention, give detailed execution mode and concrete operating process.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Embodiment 1
As shown in Figure 2, present embodiments provide a kind of pluggable network power supply module, comprising: connector J3, integrated circuit U40, integrated circuit U39 and transformer T3; Wherein:
Described connector J3 inputs 48V direct voltage, and enable by the network power supply protocol integrated test system integrated circuit U39 of integrated circuit U40, and 48V direct voltage is converted to 12V direct current by transformer T3 by described integrated circuit U39, and is connected to connector J3.
Further, described integrated circuit U39 adopts off-line type DC/DC controller chip.
Embodiment 2
As shown in Figure 1, present embodiments provide a kind of electric power system, comprise power supply mainboard and above-mentioned pluggable network power supply module, wherein, removably connected by network interface between described pluggable network power supply module and power supply mainboard, between described pluggable network power supply module and power supply mainboard, be connected to form galvanic circle by network interface.
Further, described power supply mainboard comprises: connector J1, connector J2, connector J29, diode D21, diode D23 and diode D27; Wherein: described connector J1 is connected with connector J2 by diode D21, described connector J2 is connected to plate with the connector J3 plate of pluggable network power supply module, the connector J3 of described pluggable network power supply module is connected with connector J29, and described connector J29 is connected with connector J2 by diode D23 or diode D27.
Further, described electric power system comprises any one powering mode following:
-by pluggable network power supply module for power supply: 48V direct voltage is inputted by connector J29, and exports connector J2 to by diode D23 or diode D27 rectification, and connector J2 is connected to plate with the connector J3 plate of pluggable network power supply module; After connector J3 inputs 48V direct voltage to pluggable network power supply module, 12V direct current is exported by the transformer T3 of pluggable network power supply module, be connected to connector J3, be then connected to connector J2 by plate to plate, the connector J29 returning power supply mainboard exports;
-passing through external power source: external power source is directly exported by the connector J1 of power supply mainboard.
Further, when pluggable network power supply module and external power source simultaneously connecting system time, power supply mainboard accesses outside 12V direct current by connector J1, then by diode D21 with converged by the 12V direct current of connector J2:
When the voltage that the voltage that connector J1 accesses accesses higher than connector J2, adopt the powering mode by external power source;
When the voltage that the voltage that connector J2 accesses accesses higher than connector J1, adopt the powering mode by pluggable network power supply module for power supply.
The operation principle of the present embodiment is:
Power supply mainboard is connected with pluggable network power supply modular circuit by network interface; If powered by POE supply module, export 48V direct voltage to J2 by diode D23 or diode D27 rectification, then with the J3 plate of POE supply module, plate is connected by J2; After J3 is input to POE supply module, exports 12V direct current, be connected to J3, then by plate, J2 be connected to plate, return power supply mainboard.When not needing POE supply module to power, external power source is directly powered to terminal by J1.This completes POE supply module can as the apolegamy function of standalone module.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.

Claims (6)

1. a pluggable network power supply module, is characterized in that, comprising: connector J3, integrated circuit U40, integrated circuit U39 and transformer T3; Wherein:
Described connector J3 inputs 48V direct voltage, and enable by the network power supply protocol integrated test system integrated circuit U39 of integrated circuit U40, and 48V direct voltage is converted to 12V direct current by transformer T3 by described integrated circuit U39, and is connected to connector J3.
2. pluggable network power supply module according to claim 1, is characterized in that, described integrated circuit U39 adopts off-line type DC/DC controller chip.
3. an electric power system, it is characterized in that, comprise power supply mainboard and the pluggable network power supply module described in claim 1 or 2, wherein, removably connected by network interface between described pluggable network power supply module and power supply mainboard, between described pluggable network power supply module and power supply mainboard, be connected to form galvanic circle by network interface.
4. electric power system according to claim 3, is characterized in that, described power supply mainboard comprises: connector J1, connector J2, connector J29, diode D21, diode D23 and diode D27; Wherein: described connector J1 is connected with connector J2 by diode D21, described connector J2 is connected to plate with the connector J3 plate of pluggable network power supply module, the connector J3 of described pluggable network power supply module is connected with connector J29, and described connector J29 is connected with connector J2 by diode D23 or diode D27.
5. electric power system according to claim 4, is characterized in that, described electric power system comprises any one powering mode following:
-by pluggable network power supply module for power supply: 48V direct voltage is inputted by connector J29, and exports connector J2 to by diode D23 or diode D27 rectification, and connector J2 is connected to plate with the connector J3 plate of pluggable network power supply module; After connector J3 inputs 48V direct voltage to pluggable network power supply module, 12V direct current is exported by the transformer T3 of pluggable network power supply module, be connected to connector J3, be then connected to connector J2 by plate to plate, the connector J29 returning power supply mainboard exports;
-passing through external power source: external power source is directly exported by the connector J1 of power supply mainboard.
6. electric power system according to claim 5, it is characterized in that, when pluggable network power supply module and external power source simultaneously connecting system time, power supply mainboard accesses outside 12V direct current by connector J1, then by diode D21 with converged by the 12V direct current of connector J2:
When the voltage that the voltage that connector J1 accesses accesses higher than connector J2, adopt the powering mode by external power source;
When the voltage that the voltage that connector J2 accesses accesses higher than connector J1, adopt the powering mode by pluggable network power supply module for power supply.
CN201510243118.1A 2015-05-13 2015-05-13 Pluggable network power supply module and electric power system Active CN104883261B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106507631A (en) * 2016-08-03 2017-03-15 北京电子工程总体研究所 A kind of interconnection integrating device for test system
CN107658861A (en) * 2017-10-20 2018-02-02 京信通信系统(中国)有限公司 A kind of anti-POE power supplies misplug the protection circuit and method pulled out

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101707393A (en) * 2009-11-18 2010-05-12 太仓市同维电子有限公司 Automatic switching circuit of power supply
CN102571365A (en) * 2010-12-08 2012-07-11 中国电信股份有限公司 Power supply and data transmission device of wireless local area network access point
WO2013055947A1 (en) * 2011-10-11 2013-04-18 CBF Networks, Inc. Intelligent backhaul system
CN103095465A (en) * 2013-01-21 2013-05-08 杭州优迈科技有限公司 Power over Ethernet (POE) system and light-emitting diode (LED) lighting device using the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101707393A (en) * 2009-11-18 2010-05-12 太仓市同维电子有限公司 Automatic switching circuit of power supply
CN102571365A (en) * 2010-12-08 2012-07-11 中国电信股份有限公司 Power supply and data transmission device of wireless local area network access point
WO2013055947A1 (en) * 2011-10-11 2013-04-18 CBF Networks, Inc. Intelligent backhaul system
CN103095465A (en) * 2013-01-21 2013-05-08 杭州优迈科技有限公司 Power over Ethernet (POE) system and light-emitting diode (LED) lighting device using the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106507631A (en) * 2016-08-03 2017-03-15 北京电子工程总体研究所 A kind of interconnection integrating device for test system
CN107658861A (en) * 2017-10-20 2018-02-02 京信通信系统(中国)有限公司 A kind of anti-POE power supplies misplug the protection circuit and method pulled out

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