CN206060518U - A kind of miniature power supply for communication site - Google Patents

A kind of miniature power supply for communication site Download PDF

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Publication number
CN206060518U
CN206060518U CN201621098956.0U CN201621098956U CN206060518U CN 206060518 U CN206060518 U CN 206060518U CN 201621098956 U CN201621098956 U CN 201621098956U CN 206060518 U CN206060518 U CN 206060518U
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modules
power
power supply
module
input
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CN201621098956.0U
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刘利华
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Chongqing Yue Tai Technology Co Ltd
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Chongqing Yue Tai Technology Co Ltd
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Abstract

This utility model provides a kind of miniature power supply, and comprising metal shell, the side of metal shell is installed with two Three-hole sockets, chopper and junction blocks, and two Three-hole sockets are electrical connection in parallel;Include AC/DC power modules, DC/AC inversion modules, monitoring management module, multiple DC/DC power conversion modules, internal battery module in metal shell to switch with controllable switching;Chopper is serially connected between the input and Three-hole socket of AC/DC power modules;The outfan of AC/DC power modules is corresponding with the both positive and negative polarity of DC/AC inversion modules, the input of each DC/DC power conversion modules and internal battery module to be connected;The input of the monitoring management module is corresponding with the outfan of the input and output of AC/DC power modules, each DC/DC power conversion modules respectively to be connected, and the triggering end that the output of monitoring management module is switched with controllable switching connects;The beneficial effects of the utility model are:Use suitable for small website, volume is relatively compact, and input cost is low, according to circumstances can flexibly use and configure.

Description

A kind of miniature power supply for communication site
Technical field
This utility model is related to communication power supply field, and in particular to a kind of miniature power supply for communication site.
Background technology
Generally there are the power demands of multiple voltage communication site, generally uses rack to configure and installs power supply unit offer use Electricity, but as the power supply amount of redundancy that provided of system of rack configuration is larger, takes larger space, corresponding expense also compared with Height, disposes where being unsuitable for some small websites or narrow space, and small website progressively adding with equipment, for confession The power demand of electric unit, standby electricity demand and also change for electric position, be unfavorable for the upgrading of power supply unit, install and cloth Line;Therefore, it is necessary to design a kind of be suitable to the power supply that small website is used.
Utility model content
For the deficiency in the presence of prior art, this utility model provides a kind of suitable for the various little work(of small website Rate communication equipment is used, and can facilitate the miniature power supply of dilatation and wiring connection with communication equipment quantity increase.
For achieving the above object, this utility model employs following technical scheme:
A kind of miniature power supply for communication site, comprising metal shell, metal shell is substantially in cuboid or vertical Cube structure, the side of metal shell are installed with two Three-hole sockets, chopper and junction blocks, and two Three-hole sockets are for simultaneously Connection electrical connection;Include AC/DC power modules, DC/AC inversion modules, monitoring management module, multiple DC/DC in metal shell Power conversion module, internal battery module are switched with controllable switching;Wherein, chopper is serially connected in the input of AC/DC power modules Between end and Three-hole socket;The outfan of AC/DC power modules and DC/AC inversion modules, each DC/DC power conversion modules it is defeated The both positive and negative polarity correspondence for entering end and internal battery module is connected;The input of the monitoring management module respectively with AC/DC power modules Input and output, each DC/DC power conversion modules and DC/AC inversion modules outfan correspondence be connected, monitoring management module The triggering end that switchs with controllable switching of output connect;The normal-closed end of controllable switching switch and normally opened end respectively with AC/DC power supplys The input of module, the outfan correspondence of DC/AC inversion modules are connected;The static terminals of controllable switching switch, each DC/DC are electric The outfan of source conversion module and internal battery module is corresponding from the different binding posts of junction block respectively to be connected.
Further, described monitoring management module includes voltage measurement unit, flush bonding processor and driver element, It is installed with communication interface on metal shell accordingly;The input of voltage measurement unit and the input of AC/DC power modules and Output, the outfan correspondence of each DC/DC power conversion modules are connected, and the output of voltage measurement unit is defeated with flush bonding processor Enter connected, the triggering end order that the output of flush bonding processor is switched with driver element, controllable switching is connected;Monitoring management module It is communication connection with communication interface.
Further, the communication interface is RS485 interfaces.
Further, the AC/DC power modules are that 220V exchanges turn 48V direct-current switch power supply modules.
Further, described internal battery module includes the lithium iron battery group that output voltage is 48V.
Further, between 4-6 is individual, single output is less than 60W to the quantity of DC/DC power conversion modules, And each DC/DC power conversion modules are plug-in type modular structure.
Further, the DC/DC power conversion modules turn 12V DC source conversion modules comprising 48V, that 48V turns 24V is straight Stream power conversion module, 48V turn the one or more of which module in 36V DC source conversion modules.
Further, described DC/AC inversion modules turn 220V ac converter modules for 48V direct currents.
Further, the controllable switching switch is D.C. contactor.
This utility model when in use, can provide various direct currents and alternating current power supply output, as needed in operation What external electric equipment demand was changed only need to accordingly increase or change DC/DC power conversion modules, without changing whole electricity Source device;And when electrical equipment increases, during single miniature power supply underpower, multiple miniature power supplies can be used, respectively Miniature power supply is carried out and is connect by the corresponding Three-hole socket of electric power connection line grafting that two ends are public terminal plug, also can be only Vertical to introduce civil power, the practical situation being distributed according to commercial power socket or device location provides the multiple choices side of convenient connection Formula, and as single miniature power supply volume is relatively compact, can disperse to be positioned in narrow space, or concentrate placement In the service area of setting, the motility for comparing rack or other power source space arrangements is bigger, and connects more convenient;Work as mains failure When or due to utility grid it is second-rate when, monitoring management module detects the change feelings of line voltage by voltage measurement unit Condition, and deliver a signal to flush bonding processor, then signal Jing driver elements are sent by flush bonding processor trigger controllable switching and open The triggering end of pass so that the static terminals of controllable switching switch are switched to normally opened end by the normal-closed end for connecting, that is, correspond to connection DC/AC inversion modules, by DC/AC inversion modules provide power supply;After civil power is normal, then monitoring management module sends signal and cuts Normal-closed end is returned, i.e., is electrically connected with the input city of AC/DC power modules, DC/AC inversion modules are in Light Condition, reduce power supply Working loss;In addition, monitoring management module can also be communicated with monitoring outlay by communication interface, to facilitate monitoring device to slap Hold the working condition of miniature power supply.
Compared to prior art, this utility model has the advantages that:
(1), use suitable for small website, simple structure, volume are relatively compact, and input cost is low, being capable of according to circumstances spirit Living using and configuring, very convenient;
(2) electric module is prepared and carried certainly, the confession electricity output of a period of time can be maintained after mains failure, and can also be increased outside 48V supplying cells, realize the dilatation of standby Electricity Functional by being attempted by the internal battery module attachment end of junction block, standby so as to extend The electric time.
Description of the drawings
Theory diagrams of the Fig. 1 for embodiment.
Fig. 2 is monitoring management module connection signal block diagram.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further illustrated to the technical scheme in this utility model.
A kind of miniature power supply for communication site, as shown in figure 1, including metal shell S, metal shell S is substantially In cuboid or cube structure, the side of metal shell S is installed with two Three-hole sockets, chopper and junction blocks, and two Individual Three-hole socket is electrical connection in parallel;Include AC/DC power modules, DC/AC inversion modules, monitoring pipe in metal shell S Reason module, multiple DC/DC power conversion modules, internal battery module and D.C. contactor;Wherein, chopper is serially connected in AC/DC Between the input and Three-hole socket of power module;The outfan of AC/DC power modules is electric with DC/AC inversion modules, each DC/DC The both positive and negative polarity correspondence of the input and internal battery module of source conversion module is connected;The input of the monitoring management module respectively with The outfan correspondence of the input and output of AC/DC power modules, each DC/DC power conversion modules and DC/AC inversion modules is connected, The output of monitoring management module is connected with the triggering end of D.C. contactor;The normally-closed contact terminals of D.C. contactor are touched with normally opened Point terminals input respectively with AC/DC power modules, DC/AC inversion modules outfan it is corresponding connected;D.C. contactor Static contact terminals, each DC/DC power conversion modules and internal battery module outfan it is different from junction block respectively Binding post correspondence is connected.
As shown in Fig. 2 described monitoring management module includes voltage measurement unit, flush bonding processor and drives list Unit, is installed with RS485 communication interfaces accordingly on metal shell S;The input of voltage measurement unit and AC/DC power modules Input and output, the outfan correspondence of each DC/DC power conversion modules be connected, the output of voltage measurement unit and embedded place The input of reason device is connected, and the output of flush bonding processor is connected with the triggering end order of driver element, D.C. contactor;Monitoring pipe Reason module is communication connection with communication interface;It should be noted that voltage measurement unit, driver element are prior art, There is magnanimity document to describe interlock circuit connection, will not be described here.
The AC/DC power modules are that 220V exchanges turn 48V direct-current switch power supply modules.
Described internal battery module includes the lithium iron battery group that output voltage is 48V.
Between 4-6 is individual, single output is less than 60W, and each DC/DC to the quantity of DC/DC power conversion modules Power conversion module is plug-in type modular structure.
The DC/DC power conversion modules turn 12V DC source conversion modules, 48V comprising 48V and turn the change of 24V DC sources Mold changing block, 48V turn the one or more of which module in 36V DC source conversion modules.
Described DC/AC inversion modules turn 220V ac converter modules for 48V direct currents.
According to actual needs, can be to arrange BMS battery management systems in internal battery module, to control internal battery mould The discharge and recharge of block and the temperature to built-in battery module are managed, so as to extend the Use Limitation of internal battery module.
This miniature power supply when in use, can provide various direct currents and alternating current power supply output, as needed for fortune What in battalion, external electric equipment demand was changed only need to accordingly increase or change DC/DC power conversion modules, whole without changing Individual power-supply device;And when electrical equipment increases, when needing using plural miniature power supply, each miniature power supply can The corresponding Three-hole socket of electric power connection line grafting that public terminal plug is by two ends is carried out and is connect, and also can independently introduce civil power, The multiple choices mode of convenient connection is provided according to the practical situation that commercial power socket or device location are distributed, compare rack or The motility of other power source space arrangements is bigger;When mains failure or due to utility grid it is second-rate when, monitoring management mould Block detects the situation of change of line voltage by voltage measurement unit, and delivers a signal to flush bonding processor, then by being embedded in Formula processor sends the triggering end that signal Jing driver elements trigger controllable switching switch so that the static wiring of controllable switching switch End is switched to normally opened end by the normal-closed end for connecting, that is, correspond to the DC/AC inversion modules of connection, provides confession by DC/AC inversion modules Electricity;After civil power is normal, then monitoring management module sends signal switchback normal-closed end, i.e. the input civil power phase with AC/DC power modules Even, DC/AC inversion modules are in Light Condition, reduce power work loss;In addition, monitoring management module can also be by communication Interface is communicated with monitoring outlay, to facilitate monitoring device to grasp the working condition of miniature power supply.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng This utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this The technical scheme of utility model is modified or equivalent, without deviating from the objective and model of technical solutions of the utility model Enclose, which all should be covered in the middle of right of the present utility model.

Claims (9)

1. a kind of miniature power supply for communication site, comprising metal shell, it is characterised in that:Metal shell is substantially in length Cube or cube structure, the side of metal shell are installed with two Three-hole sockets, chopper and junction blocks, two three holes Socket is electrical connection in parallel;Include in metal shell AC/DC power modules, DC/AC inversion modules, monitoring management module, Multiple DC/DC power conversion modules, internal battery module are switched with controllable switching;Wherein, chopper is serially connected in AC/DC power supply moulds Between the input and Three-hole socket of block;The outfan of AC/DC power modules and DC/AC inversion modules, each DC/DC power conversions The both positive and negative polarity correspondence of the input and internal battery module of module is connected;The input of the monitoring management module respectively with AC/DC The input and output of power module, each DC/DC power conversion modules outfan correspondence be connected, the output of monitoring management module with The triggering end of controllable switching switch connects;The normal-closed end of controllable switching switch is defeated with AC/DC power modules respectively with normally opened end Enter end, the outfan correspondence of DC/AC inversion modules is connected;The static terminals of controllable switching switch, each DC/DC power conversions mould The outfan of block and internal battery module is corresponding from the different binding posts of junction block respectively to be connected.
2. a kind of miniature power supply for communication site as claimed in claim 1, it is characterised in that:Monitoring management module Comprising voltage measurement unit, flush bonding processor and driver element, communication interface on metal shell, is installed with;Voltage measurement The input of unit is defeated with the input and output of AC/DC power modules, each DC/DC power conversion modules and DC/AC inversion modules Go out end correspondence be connected, the output of voltage measurement unit is connected with the input of flush bonding processor, the output of flush bonding processor and Driver element, the triggering end order of controllable switching switch are connected;Monitoring management module is communication connection with communication interface.
3. a kind of miniature power supply for communication site as claimed in claim 2, it is characterised in that:The communication interface For RS485 interfaces.
4. a kind of miniature power supply for communication site as claimed in claim 3, it is characterised in that:The AC/DC is electric Source module is that 220V exchanges turn 48V direct-current switch power supply modules.
5. a kind of miniature power supply for communication site as claimed in claim 4, it is characterised in that:Described in-built electrical Pond module includes the lithium iron battery group that output voltage is 48V.
6. a kind of miniature power supply for communication site as claimed in claim 5, it is characterised in that:DC/DC power supplys become Between 4-6 is individual, single output is less than 60W to the quantity of mold changing block, and each DC/DC power conversion modules are grafting Formula modular structure.
7. a kind of miniature power supply for communication site as claimed in claim 6, it is characterised in that:The DC/DC is electric Source conversion module turns 12V DC source conversion modules, 48V comprising 48V and turns 24V DC source conversion modules, 48V to turn 36V direct currents One or more of which module in power conversion module.
8. a kind of miniature power supply for communication site as claimed in claim 7, it is characterised in that:Described DC/AC Inversion module turns 220V ac converter modules for 48V direct currents.
9. a kind of miniature power supply for communication site as described in any one of claim 1 to 8, it is characterised in that:Institute It is D.C. contactor to state controllable switching switch.
CN201621098956.0U 2016-09-30 2016-09-30 A kind of miniature power supply for communication site Active CN206060518U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621098956.0U CN206060518U (en) 2016-09-30 2016-09-30 A kind of miniature power supply for communication site

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621098956.0U CN206060518U (en) 2016-09-30 2016-09-30 A kind of miniature power supply for communication site

Publications (1)

Publication Number Publication Date
CN206060518U true CN206060518U (en) 2017-03-29

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107465258A (en) * 2017-09-08 2017-12-12 中国联合网络通信集团有限公司 A kind of electric power system and method for IDC computer rooms
CN107947292A (en) * 2017-12-22 2018-04-20 重庆光可巡科技有限公司 Portable tandem type Flameproof and intrinsically safe power supply system
CN112600298A (en) * 2021-03-01 2021-04-02 杭州并坚科技有限公司 Two bus centralized control type emergency power box with redundancy design

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107465258A (en) * 2017-09-08 2017-12-12 中国联合网络通信集团有限公司 A kind of electric power system and method for IDC computer rooms
CN107947292A (en) * 2017-12-22 2018-04-20 重庆光可巡科技有限公司 Portable tandem type Flameproof and intrinsically safe power supply system
CN112600298A (en) * 2021-03-01 2021-04-02 杭州并坚科技有限公司 Two bus centralized control type emergency power box with redundancy design

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