CN208548711U - Double local side direct-current remote feeding power systems with electromagnetism security protection comprehensive monitoring function - Google Patents
Double local side direct-current remote feeding power systems with electromagnetism security protection comprehensive monitoring function Download PDFInfo
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- CN208548711U CN208548711U CN201821352373.5U CN201821352373U CN208548711U CN 208548711 U CN208548711 U CN 208548711U CN 201821352373 U CN201821352373 U CN 201821352373U CN 208548711 U CN208548711 U CN 208548711U
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- central office
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses the double local side direct-current remote feeding power systems for having electromagnetism security protection comprehensive monitoring function, it is characterized by comprising have network management monitoring terminal, several service cables, several remote terminations and Liang Ge central office terminal, the central office terminal includes the first data collecting card, and the remote termination includes the second data collecting card；The central office terminal connect with network management monitoring terminal, and the central office terminal is connect by the service cable with the remote termination, and the remote termination is connect with the electrical equipment, and the remote termination is connect with network management monitoring terminal.Tthe utility model system provides uninterruptible power supply using double central office terminal's power supplies for remote termination in section；Input mode is flexibly comprehensive, is able to achieve a variety of powering modes；Monitoring function multiplicity, and reason and the abort situation of being out of order that can accurately form a prompt judgement, greatly reduction O&M cost.
Description
Technical field
The utility model relates to communicate, power transmission and industrial internet of things field, in particular to have electromagnetism security protection
Double local side direct-current remote feeding power systems of comprehensive monitoring function.
Background technique
DC remote power supply system is mainly powered at a distance for communication equipment.Traditional DC remote power supply system application mode are as follows:
The dedicated DC48V power supply of communications equipment room is converted to the high direct voltage of DC220-380V by central office terminal by DC/DC boosting unit, then
It is transmitted to remote termination by service cable, then power supply needed for high-voltage DC power supply is converted to electrical equipment as remote termination.One
Platform central office terminal is the power supply of one or more remote termination, and central office terminal is equipped with monitoring module, and remote termination is equipped with monitor board, whole system energy
The power supply states such as the alarm of the voltage, electric current, overvoltage of central office terminal and remote termination, short circuit alarm are monitored.But it is existing
DC remote power supply system has following defect:
1, the input terminal of central office terminal can only take electricity from the communications equipment room with battery group or Switching Power Supply DC48V, but,
It is not that each industry has such specialized communication computer room, applies with significant limitation；
2, when DC48V input power is unstable or breaks down, system will be unable to normal power supply；
3, central office terminal only up to export DC380V, be lost greatly in transmission process, and transmission range is restricted；
4, be in system single central office terminal power supply when, if central office terminal's occurrence of equipment failure or service cable break down,
The normal power supply of remote termination is not can guarantee then；
5, system can only monitor conventional power supply state, can not monitoring system electromagnetism and ambient condition, when system due to
The reason of other than power supply and when equipment being caused to be unable to operate normally, then can not judge at the first time location of fault and failure
The reason of.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide with electromagnetism security protection comprehensive monitoring function
Double local side direct-current remote feeding power systems.
To achieve the above object, the utility model adopts the following technical solutions: having electromagnetism security protection comprehensive monitoring function
Double local side direct-current remote feeding power systems, include network management monitoring terminal, several service cables, several remote terminations and two
Central office terminal, the central office terminal include the first data collecting card, and the remote termination includes the second data collecting card；
The central office terminal connect with network management monitoring terminal, and the central office terminal passes through the service cable and the distal end
Machine connection, the remote termination are connect with the electrical equipment, and the remote termination is connect with network management monitoring terminal；
The central office terminal converts the electric energy obtained from AC220V or DC48V in the direct current of DC400V/DC800V, leads to
It crosses service cable to power to the remote termination, the DC conversion of high pressure is AC220V needed for electrical equipment by the remote termination
Or DC48V；
Collected information is uploaded to the network management and monitored eventually by first data collecting card, the second data collecting card
End, the network management monitoring terminal handle the received information of institute, realize the comprehensive real-time monitoring to whole system.
It is further described, described two central office terminals warm back-up each other, when one of central office terminal, which occurs, to work, separately
One central office terminal continues as the remote termination power supply.
It is further described, the data collecting card includes electromagnetic monitoring functional module, power supply system monitoring function module, ring
Border parameter monitoring functional module.
Be further described, the central office terminal further include have for autonomous equalizing current, hot plug, warm back-up rectification module.
It is further described, the rectification module includes AC-DC boosting unit, DC-DC boosting unit.
It is further described, the ac input end of the AC-DC boosting unit is provided with ATS automatic change-over, the ATS
Uninterrupted switching of the automatic change-over for primary electricity and standby electricity.
It is further described, the remote termination further includes having the electric energy for transmitting the service cable to be converted into directly
The current module of galvanic electricity.
The utility model has the beneficial effects that:
One, Tthe utility model system is provided uninterruptible power supply for remote termination in section, is realized using double central office terminal's power supplies
The function of UPS when conventional AC power supply；
Two, the rectification module of middle central office terminal described in Tthe utility model system has AC-DC boosting unit and DC-DC boosting is single
Member, input mode is flexibly comprehensive, and it is hot each other to be able to achieve single cross stream input powering mode, single direct current input powering mode, alternating current-direct current
Spare input powering mode, alternating current-direct current input powering mode simultaneously；
Three, ATS automatic change-over is arranged in the ac input end of AC-DC boosting unit in Tthe utility model system, is used for
The uninterrupted switching of primary electricity and standby electricity has ensured stability when central office terminal's exchange input power supply；
Four, the utility model can monitor electromagnetic states, power supply state and the ambient condition of system, and traditional direct current is remote
The power supply state of system can only be monitored for system, it is seen that the monitoring function that the utility model has is more comprehensive；In addition, when being
When system breaks down, can accurately form a prompt judgement reason and the abort situation of being out of order, and greatly reduce O&M cost, reduce because supplying
Loss brought by electric fault.
Detailed description of the invention
Fig. 1 is the structure principle chart of the utility model.
Fig. 2 is the schematic diagram of duplicate supply point networking mode.
Fig. 3 is the schematic diagram of more supply terminals networking modes.
Fig. 4 is the schematic diagram of single supply terminals networking mode.
Fig. 5 is the schematic diagram of the function of the utility model.
Drawing reference numeral: 10, supply terminals；20, central office terminal；21, rectification module；22, the first data collecting card；30, remote termination；
31, power module；32, the second data collecting card；40, network management monitors terminal；41, MCU controller；50, electrical equipment；021, electric
Magnetic monitoring function module；022, power supply system monitoring function module；023, environmental parameter monitoring function module.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.
Double local side direct-current remote feeding power systems with electromagnetism security protection comprehensive monitoring function include network management monitoring terminal
40, several service cables, several remote terminations 30 and Liang Ge central office terminal 20, central office terminal 20 include the first data collecting card 22,
Remote termination 30 includes the second data collecting card 32；
Central office terminal 20 connect with network management monitoring terminal 40, and central office terminal 20 is connect by service cable with remote termination 30, distal end
Machine 30 is connect with electrical equipment 50, and remote termination 30 is connect with network management monitoring terminal 40；
Central office terminal 20 converts the electric energy obtained from AC220V/DC48V in the direct current of DC400V/DC800V, passes through
Service cable is powered to remote termination 30, and the DC conversion of high pressure is AC220V/ needed for electrical equipment 50 by remote termination 30
DC48V；
Collected information is uploaded to network management monitoring terminal 40 by the first data collecting card 22, the second data collecting card 32,
40 pairs of received information of institute of network management monitoring terminal are handled, and realize the comprehensive real-time monitoring to whole system.
The warm back-up each other of Liang Ge central office terminal 20, when one of central office terminal 20, which occurs, to work, another central office terminal
20 continue as the power supply of remote termination 30.Double local side power supplies have 3 kinds of networking modes: duplicate supply point networking mode (such as attached drawing 2), more power supplies
Point networking mode (such as attached drawing 3) and single supply terminals networking mode (such as attached drawing 4).The concrete application scene of 3 kinds of networking modes is as follows:
A1, it is not more than any local side apparatus rated power when section total load power (electricity consumption containing equipment and cable loss)
When, duplicate supply point networking mode can be used；
A2, when section total load power (electricity consumption containing equipment and cable loss) be greater than any local side apparatus rated power when,
Supply terminals 10 can be set in local side, using more supply terminals networking modes；
A3, when only there is supply terminals 10 in one end, single supply terminals networking mode of double local side apparatus power supplies can be used.
Central office terminal 20 further include have for autonomous equalizing current, hot plug, warm back-up rectification module 21.Rectification module 21 has
AC-DC boosting unit and DC-DC boosting unit, two boosting units are in parallel, and AC220V/DC48V is converted to DC400V/DC800V
And it is exported by service cable to electrical equipment 50.The input terminal and output end of rectification module 21, which are respectively arranged with to be spaced apart, closes gas and surge
Protector protects it.Rectification module 21 has 4 kinds of power input modes, and respectively single cross stream inputs powering mode, list
Direct current input powering mode, alternating current-direct current stand-by heat input each other powering mode, alternating current-direct current input powering mode simultaneously.4 kinds of power supplys
The concrete application scene of input pattern is as follows:
B1, when application scenarios are that alternating current is stable or when without DC power supply, single cross stream can be used to input powering mode；
B2, when application scenarios have the dedicated stable dc power supply of computer room or when without stablizing mains supply, it is defeated that single direct current can be used
Enter powering mode；
B3, when application scenarios have the dedicated stable dc power supply of computer room and stablize mains supply when, alternating current-direct current can be used each other
Stand-by heat inputs powering mode；
B4, when application scenarios have the dedicated stable dc power supply of computer room and stablize mains supply and load it is larger when, using friendship
Direct current inputs powering mode simultaneously.
Central office terminal 20 exports DC400V/DC800V high direct voltage and is transmitted to remote termination 30, High voltage output by service cable
When DC800V, compares traditional central office terminal 20 and export DC 230V to DC380V high direct voltage, loss about reduces by 50%, construction cost
About 50% can be reduced.The ac input end of central office terminal 20 is provided with ATS automatic change-over, not for primary electric and standby electricity
Interruption switching.
Service cable is connected between central office terminal 20 and remote termination 30, type of cable be generally communication cable, power cable,
Optoelectrical cable etc., when single-point short circuit or open-circuit fault occur for service cable, faulty section service cable should be isolated for system, be protected
Hinder all 30 normal power supplies of remote termination.
Remote termination 30 is set to supply terminals 10, is mainly made of power module 31 and data collecting card, service cable is passed
AC220V/DC48V needed for the defeated DC400V/DC800V to come is converted to electrical equipment 50, or be converted to simultaneously AC220V and
DC48V.Remote termination 30 divides for indoor type, outdoor type, should be mountable to cement pole, steelframe, wall etc., and indoor type is wall hanging shape
Formula.
Remote termination 30 further includes the current module for having the electric energy for transmitting service cable to be converted into direct current.
The data that data collecting card acquires central office terminal 20 by various sensors and remote termination 30 monitors.Data collecting card can
Pass through the communication parties such as RS485, Ethernet, optical fiber, zigbee, radio data network (the 2/3/4G network of operator), NB-IOT
Formula acquires power supply, electromagnetism and the environmental data information of central office terminal 20 and remote termination 30, and the data of data collecting card are uploaded to
Network management monitors terminal 40, and the MCU controller 41 in network management monitoring terminal 40 uploads at the data to come data collecting card
Reason analysis, to carry out real-time monitoring in all directions to direct-current remote feeding power system.
Data collecting card includes electromagnetic monitoring functional module 021, power supply system monitoring function module 022, environmental parameter prison
Brake module 023.The power supply content that data collecting card is monitored include input and output voltage electric current, overvoltage/undervoltage alarm status,
Short circuit open circuit alarm status, service cable state, electric power overlap alarm status；Control unlatching/closing, the central office terminal of central office terminal 20
20 with the output unlatching/closing, unlatching/closing of remote termination 30, remote termination 30 of rectification module 21 connecing in arbitrarily output branch
On-off is opened；The electromagnetism content of monitoring include Surge Protector state, surge waveform, polarity, peak value size, Q value, than energy
Amount, the surge time of origin of surge number, the impedance ground value of earth mat, soil resistivity, the place of working of equipment and earth mat electricity
Whether the conductance general character is good；The ambient Property of monitoring includes temperature/humidity, immersion monitoring modular, glass breaking, gate inhibition etc..
Network management monitoring terminal 40 can be PC or have other equipment of PC function, can upload to data collecting card
Data carry out processing analysis, to carry out real time monitoring in all directions to direct-current remote feeding power system.
The above is not limit the technical scope of the present invention, all real according to the utility model technology
Matter still falls within the technical solution of the utility model to any modification, equivalent variations and modification made by above embodiment
In range.
Claims (7)
1. having double local side direct-current remote feeding power systems of electromagnetism security protection comprehensive monitoring function, it is characterised in that: include network management
Terminal, several service cables, several remote terminations and Liang Ge central office terminal are monitored, the central office terminal includes the acquisition of the first data
Card, the remote termination includes the second data collecting card；
The central office terminal connect with network management monitoring terminal, and the central office terminal is connected by the service cable and the remote termination
It connects, the remote termination is connect with the electrical equipment, and the remote termination is connect with network management monitoring terminal；
The central office terminal converts the electric energy obtained from AC220V or DC48V in the direct current of DC400V/DC800V, passes through confession
Electrical cables are powered to the remote termination, the remote termination by the DC conversion of high pressure be electrical equipment needed for AC220V or
DC48V；
Collected information is uploaded to the network management and monitors terminal, institute by first data collecting card, the second data collecting card
It states network management monitoring terminal to handle the received information of institute, realizes the comprehensive real-time monitoring to whole system.
2. double local side direct-current remote feeding power systems according to claim 1 with electromagnetism security protection comprehensive monitoring function,
It is characterized in that: described two central office terminals warm back-up each other, when one of central office terminal, which occurs, to work, another central office terminal
Continue as the remote termination power supply.
3. double local side direct-current remote feeding power systems according to claim 1 with electromagnetism security protection comprehensive monitoring function,
Be characterized in that: the data collecting card includes electromagnetic monitoring functional module, power supply system monitoring function module, environmental parameter monitoring
Functional module.
4. double local side direct-current remote feeding power systems according to claim 1 with electromagnetism security protection comprehensive monitoring function,
Be characterized in that: the central office terminal further include have for autonomous equalizing current, hot plug, warm back-up rectification module.
5. double local side direct-current remote feeding power systems according to claim 4 with electromagnetism security protection comprehensive monitoring function,
Be characterized in that: the rectification module includes AC-DC boosting unit, DC-DC boosting unit.
6. double local side direct-current remote feeding power systems according to claim 5 with electromagnetism security protection comprehensive monitoring function,
Be characterized in that: the ac input end of the AC-DC boosting unit is provided with ATS automatic change-over, and the ATS automatic conversion is opened
Close the uninterrupted switching for primary electricity and standby electricity.
7. double local side direct-current remote feeding power systems according to claim 1 with electromagnetism security protection comprehensive monitoring function,
Be characterized in that: the remote termination further includes the electric current for having the electric energy for transmitting the service cable to be converted into direct current
Module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821352373.5U CN208548711U (en) | 2018-08-22 | 2018-08-22 | Double local side direct-current remote feeding power systems with electromagnetism security protection comprehensive monitoring function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821352373.5U CN208548711U (en) | 2018-08-22 | 2018-08-22 | Double local side direct-current remote feeding power systems with electromagnetism security protection comprehensive monitoring function |
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| CN208548711U true CN208548711U (en) | 2019-02-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113132049A (en) * | 2019-12-31 | 2021-07-16 | 上海欣诺通信技术股份有限公司 | Semi-active management system of 5G fronthaul networking |
-
2018
- 2018-08-22 CN CN201821352373.5U patent/CN208548711U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113132049A (en) * | 2019-12-31 | 2021-07-16 | 上海欣诺通信技术股份有限公司 | Semi-active management system of 5G fronthaul networking |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Wenhuan Inventor after: Li Linqiang Inventor after: Li Tiefeng Inventor after: Zhang Yuanpeng Inventor before: Liu Huanwen Inventor before: Li Linqiang Inventor before: Li Tiefeng Inventor before: Zhang Yuanpeng |