CN206250849U - For the intelligent management monitoring unit and transformer substation communication power-supply system of communication power supply - Google Patents

For the intelligent management monitoring unit and transformer substation communication power-supply system of communication power supply Download PDF

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Publication number
CN206250849U
CN206250849U CN201621349373.0U CN201621349373U CN206250849U CN 206250849 U CN206250849 U CN 206250849U CN 201621349373 U CN201621349373 U CN 201621349373U CN 206250849 U CN206250849 U CN 206250849U
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CN
China
Prior art keywords
power supply
electronic switch
communication
battery
current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201621349373.0U
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Chinese (zh)
Inventor
江龙才
程洪
霍朝辉
毕玉成
步冬静
林燕华
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Chizhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
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Chizhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
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Priority to CN201621349373.0U priority Critical patent/CN206250849U/en
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Publication of CN206250849U publication Critical patent/CN206250849U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector

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Abstract

The utility model discloses a kind of intelligent management monitoring unit and transformer substation communication power-supply system for communication power supply, the DC power supply unit of the communication power supply includes charging bus, power supply buses, distribution bus, if dry battery, DC rectifier power sources and charge power supply, wherein, the charging of battery is controlled by the first electronic switch, its electric discharge is controlled by the second electronic switch, DC rectifier power sources are electrically connected with power supply buses, wherein, current measurement cable is provided between power supply buses and distribution bus, the intelligent management monitoring unit is included for detecting distribution bus, the voltage sample module of the voltage of DC rectifier power sources and each battery, current sample module for detecting the electric current of current measurement cable, and with the first and second electronic switches control be connected with electric control module.The utility model is monitored by each power supply unit failure, on the premise of power supply safety is ensured, can reduce communication power supply power supply trouble.

Description

For the intelligent management monitoring unit and transformer substation communication power-supply system of communication power supply
Technical field
The utility model is related to intelligent management monitoring unit and transformer substation communication power-supply system for communication power supply.
Background technology
Transformer substation communication power supply is used to be powered to communication equipment, and ensures communication equipment power supply safety.
Transformer substation communication power supply is general based on 48V power supplys, supplemented by the power demands of other voltage class, typical communication Power supply framework is figure 1 illustrates by AC distribution panel, direct current supply part and no-break power unit(AC220/380V)Etc. group Into.Wherein, direct current supply part is by rectifier, battery, DC converter(DC/DC), AC converter(DC/AC)And direct current The part such as switchboard constitutes.
If the electrical structure of the direct current supply part being made up of dry battery and rectifier etc. is it is shown in fig. 2, wherein, whole The alternating current for flowing device is introduced by AC distribution panel, and the output end of rectifier is connected by DC distributor with battery and load, Communication equipment is powered after rectifier is in parallel with battery.
Found during communication power supply is safeguarded, using above-mentioned floating charge power supply mode, all batteries are in long-term work During be in floating charge state, accumulator failure rate is very high, and battery changes frequent, is grasped by accumulator failure and failture evacuation The communication power supply power supply trouble that work brings in itself happens occasionally.In addition, each storage in the direct current supply part of above-mentioned communication power supply Battery is in floating charge state, is difficult to find when in part, battery breaks down, and is not easy to intelligent management monitoring, therefore, having must Technical measures are taken to be improved and supervised.
Utility model content
To solve one or more problems of the prior art, the purpose of this utility model is to provide a kind of for communicating The intelligent management monitoring unit of power supply, can be monitored to communication power supply failure.
The purpose of this utility model also resides in a kind of transformer substation communication power-supply system of offer, in order to communication power supply part Failure is monitored.
Therefore, on the one hand the utility model provides a kind of intelligent management monitoring unit for communication power supply, the communication Power supply include DC power supply unit, if if the DC power supply unit include dry battery, charging bus, power supply buses, for Distribution bus, DC rectifier power sources and charge power supply that dry communication equipment is powered, wherein, the charging of battery is by the first electronic switch Control, the electric discharge of battery is controlled by the second electronic switch, and DC rectifier power sources are electrically connected with power supply buses, wherein, power supply buses Current measurement cable is provided with and distribution bus between, intelligent management monitoring unit is included for detecting distribution bus, DC rectified currents The voltage sample module of the voltage of source and each battery, the current sample module of the electric current for detecting current measurement cable, with And be connected with the first electronic switch and the control of the second electronic switch with electric control module, wherein, current sample module and voltage Sampling module is connected with the signal input end signal with electric control module.
Further, it is above-mentioned to include with electric control module:Memory, button, display that processor is electrically connected with processor Screen, the communication module that clock chip and CMOS batteries are connected with processor communication and the first electronics electrically connected with processor ON-OFF control circuit and the second electronic switch control circuit, wherein, current sample module and voltage sample module with match somebody with somebody electric control The signal input end signal connection of module.
Further, above-mentioned first electronic switch control circuit includes photoelectrical coupler and electrically connects with photoelectrical coupler Drive circuit.
Further, above-mentioned current sample module includes the Hall current sensor coordinated with the noncontact of current measurement cable With the process circuit processed for the detection signal to Hall current sensor, voltage sample module include voltage sample device And voltage comparator.
Further, the supply lines that break-make is controlled by the 3rd electronic switch is provided between above-mentioned communication equipment and distribution bus Road, the 3rd electronic switch is connected with electric control module control.
Further, above-mentioned first electronic switch and the second electronic switch are unidirectional thyristor switch, unidirectional thyristor The control pole of switch is electrically connected with the control end with electric control module.
Further, above-mentioned DC rectifier power sources include input filter, transformer, rectifier network and output filter, Wherein, rectifier network is connected by interphase transformator, and output filter is connected the outlet side of rectifier network, including Voltage modulation attenuator, voltage modulation attenuator includes capacitor, inductor, backward dioded and multiple forward diodes.
According to another aspect of the present utility model, there is provided a kind of transformer substation communication power-supply system, including direct current supply list Unit, if the DC power supply unit include dry battery, charging bus, power supply buses, for matching somebody with somebody for being powered to some communication equipments Goddess of lightning's line, DC rectifier power sources and charge power supply, wherein, the charging of battery is controlled by the first electronic switch, the electric discharge of battery Controlled by the second electronic switch, DC rectifier power sources are electrically connected with power supply buses, wherein, it is provided between power supply buses and distribution bus Current measurement cable, for coordinating current sample module to realize the measurement of supply current.
Further, above-mentioned transformer substation communication power-supply system is also included for detecting distribution bus, DC rectifier power sources and each The voltage sample module of the voltage of battery, the current sample module of the electric current for detecting current measurement cable and with One electronic switch and the control connection of the second electronic switch with electric control module, wherein, current sample module and voltage sample mould Block is connected with the signal input end signal with electric control module.
Further, above-mentioned first electronic switch and the second electronic switch are unidirectional thyristor switch, unidirectional thyristor The control pole of switch is electrically connected with the control end with electric control module.
According to the intelligent management monitoring unit for communication power supply of utility model, the DC power supply unit of the communication power supply Using triple bus-bar formula framework:Charging bus, power supply buses, distribution bus, to facilitate charging to battery 1 to battery N, put Electricity and failure are monitored, and power supply buses and distribution bus are therebetween current measurement cable, and Hall current is used to facilitate Sensor carries out non-cpntact measurement to the electric current of distribution bus.In the utility model, DC rectifier power sources and part battery are handed over For coordinate powered to power supply buses, with all batteries of prior art all the time in floating charge state compared with, the utility model intelligence Management and monitoring unit can realize security monitoring purpose to the detection of the voltage and current of each battery and DC rectification modules.Protecting On the premise of card power supply safety, strategically it is controlled by the discharge and recharge to each battery, additionally it is possible to reduce by battery The communication power supply power supply trouble that failure and failture evacuation are operated and caused.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing being further understood to of the present utility model, this practicality New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model. In the accompanying drawings:
Fig. 1 is the configuration diagram of the intelligent management monitoring unit for communication power supply of prior art;
Fig. 2 is the schematic diagram of the direct current supply part of the intelligent management monitoring unit for communication power supply of prior art;
Fig. 3 is the configuration diagram of the transformer substation communication power-supply system according to the embodiment of the utility model one;
Fig. 4 is the schematic diagram of the DC rectifier power sources of the transformer substation communication power-supply system according to the embodiment of the utility model one;
Fig. 5 is the intelligent management monitoring unit for communication power supply according to the embodiment of the utility model one with electric control The schematic diagram of module;
Fig. 6 is the voltage sample of the intelligent management monitoring unit for communication power supply according to the embodiment of the utility model one The schematic diagram of module;And
Fig. 7 is the current sample of the intelligent management monitoring unit for communication power supply according to the embodiment of the utility model one The schematic diagram of module.
Description of reference numerals
11st, charging bus;12nd, power supply buses;
13rd, distribution bus;14th, battery;
15th, DC rectifier power sources;16th, current measurement cable;
17th, with electric control module;18th, current sample module;
19th, voltage sample module;21st, the first electronic switch;
22nd, the second electronic switch;23rd, the 3rd electronic switch;
24th, Hall current sensor;25th, diode;
26th, charge power supply;27th, communication equipment;
31st, socket;32nd, input filter;
33rd, transformer;34th, alternate variator;
35th, rectifier network;36th, rectifier network;
37th, output filter;38th, voltage modulation attenuator;
39th, inductor;51st, backward dioded;
52nd, capacitor;53rd, forward diode;
54th, forward diode;55th, multiple forward diodes.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 3 to Fig. 7 is shown according to some embodiments of the present utility model.
As shown in figure 3, transformer substation communication power-supply system includes DC power supply unit, the DC power supply unit includes the mother that charges If line 11, power supply buses 12, distribution bus 13, DC rectifier power sources 15, dry battery 14, charge power supply 26, with electric control module 17th, current sample module 18 and voltage sample module 19.
Wherein, charge power supply 26 is electrically connected with charging bus 11, each logical for being charged and discharged to charging bus 11 Letter equipment 27 is connected with power supply buses 12, is provided between each battery 14 and the charging bus 11 and is controlled by the first electronic switch 21 The charging circuit of break-make processed, is provided between each battery 14 and the power supply buses 12 and controls break-make by the second electronic switch 22 Discharge line, the DC rectifier power sources 15 directly electrically connect with the power supply buses, are powered to it, wherein, the power supply buses Current measurement cable 16 is provided between 12 and distribution bus 13, for coordinating current sample module to realize the survey of supply current Amount.
It is above-mentioned to be connected with 21 and second electronic switch of the first electronic switch 22 control with electric control module 17, for controlling If the charging and discharging of the system dry battery 14, current sample module 18 is used to detect the electric current of the current measurement cable, Voltage sample module 19 is used for by detecting the DC rectifier power sources 15, each battery 14 and the voltage of distribution bus 13(Such as Fig. 3 Shown, sampled point is respectively p1, p2, p3, p4), to judge whether DC rectifier power sources disconnect, wherein, the current sample module 18 and voltage sample module 19 electrically connected with electric control module 17, for the signal of collection to be supplied to electric control module 17。
Preferably, the electronic switch 22 of above-mentioned first electronic switch 21 and second is unidirectional thyristor switch, the first electronic cutting Control pole c, d of control pole a, b of pass and the second electronic switch is with output control terminal a, b, c, the d matched somebody with somebody on electric control module one by one It is correspondingly connected, control connecting and disconnecting of the circuit by control pole a, b, c, d applied voltage.
Preferably, the circuit between above-mentioned DC rectifier power sources and power supply buses 12 is provided with diode 25, to prevent power supply Interference of the bus to DC rectifier power sources.
Battery with prior art is difficult to the failure of failure and miscellaneous part to battery generally in floating charge state It is monitored and compares, it is convenient to DC rectifier power sources and each battery after power supply system for communications framework of the present utility model Failure is monitored.In charging process, would know that the battery whether in failure shape by the monitoring to battery tension State.
In the utility model, the battery entirety floating charge state of prior art is changed to controlled charging and discharging state, passed through Suitable charge and discharge control strategy is selected, can be with increasing storage battery service life, a kind of feasible charge and discharge control strategy is: DC rectifier power sources and part battery interleaved power, wherein, the amplitude of the amplitude more than DC rectifier power sources of battery sets with communication The quantity of the suitable battery of standby general power is discharged first, when the voltage of battery drops to the amplitude of DC rectifier power sources, DC The conducting power supply of diode 25 of rectifier power source.Discharge and recharge strategy according to the battery, works to pre- timing in DC rectifier power sources Between after, put into another batch battery suitable with communication equipment general power and participate in power supply, be replaced battery charging of part etc. Treat, when the voltage or electric current of detection have fluctuation, put into and a considerable amount of storage battery power supplies of difference power, using the discharge and recharge Control strategy, battery is in normal operating condition, and the service life of battery is ensured compared with floating charge mode, it is to avoid whole Accumulator body is in floating charge state and damages and subtract the life-span.
In one embodiment, distribution bus mount the capacitor of Large Copacity repid discharge, are mended with voltage pulsation Repay.
In a preferred embodiment, as shown in figure 4, giving a kind of DC rectifier power sources framework, the DC rectifier power sources 15 are wrapped Include:Socket 31, input filter 32, transformer 33, rectifier network 35 and 36 and output filter 37, the output filter 37 Electrically connected with distribution bus 13.The rectifier network 35 is connected with 36 by interphase transformator 34, by delta- type secondary wires Circle and Y type secondary coil magnetic couplings.The output filter 37 is connected the outlet side of rectifier network 35 and 36, including electricity Pressure modulation attenuator 38, the voltage modulation attenuator 38 includes that capacitor 52, inductor 39, backward dioded 51 and multiple are positive Diode 53,54 and 55.In the present embodiment, voltage modulation attenuator is by providing providing with ripple voltage in passing of reducing Improve straight DC output voltages.Function and principle on DC dc sources can refer to Chinese patent literature CN101826809A Technology contents, entire contents combine with this for reference.
In one embodiment, as shown in figure 5, including with electric control module:The storage that processor is electrically connected with processor Device, button, display screen, clock chip and CMOS batteries, the communication module being connected with the processor communication, with the processor First electronic switch control circuit and the second electronic switch control circuit of electrical connection, wherein, the current sample module and electricity Pressure sampling module is connected with the signal input end signal with electric control module.First electronic switch control circuit and second Electronic switch control circuit includes photoelectrical coupler and the drive circuit being connected with the photoelectrical coupler respectively.
In one embodiment, as shown in fig. 6, the voltage sample module includes multiple detection units, each detection unit bag Include divider resistance R1, R2, voltage comparator A2, resistance R3 and resistance R4.
With reference to reference picture 5 and Fig. 6, in the present embodiment, sampled voltage and reference power supply from divider resistance R1, R2 do Compare, monitoring voltage amplitude, if voltage magnitude is less than reference power supply(Amplitude with DC rectifier power sources is corresponding), by voltage ratio Interrupt signal is produced to give processor MCU compared with device A2, the date-time that clock chip record communication disruption occurs is sent into AT24C02 is stored.To keep data reliability, clock chip and storage chip are powered using button CMOS batteries.Processor MCU core Piece is communicated by MODBUS agreements with host computer, to inquire about, to control communication power supply.By drive circuit control first, Second and the 3rd electronic switch and control the charging and discharging state of battery and the power supply state of communication equipment, button be used for mould is set The state of block initialization and time, the real-time display working conditions of LCD.
In one embodiment, it is provided between communication equipment 27 and the distribution bus 13 and controls to lead to by the 3rd electronic switch 23 Disconnected supply line, it is described to be connected with control pole e, the f control of the 3rd electronic switch 23 with electric control module 17.
In one embodiment, with reference to shown in reference picture 5 and Fig. 7, voltage sampling unit include Hall current sensor 24, UGV-3501M Linears output Hall integrated circuit, resistance R1, resistance R2, adjustable resistance RP1, RP2, RP3, capacitor C1, C2, AD522 instrument amplifier, the annexation of each element show in figure.Using the current sampling unit, can detect electric current and survey The current value flowed through in amount cable 16, the fluctuation according to the current value can be adjusted to the power supply input quantity of battery.
In the utility model, designed using 1U with electric control module, standard rack is installed, control battery 1 to electric power storage Pond N deliver order and release time, the charging order of battery 1 and charging interval, according to battery 1 in charging process Voltage pulsation determine battery 1 to battery N whether failure, whether DC rectifier power sources is determined according to the amplitude of DC rectifier power sources Failure, if faulty, counted and is alarmed.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.

Claims (10)

1. a kind of intelligent management monitoring unit for communication power supply, the communication power supply includes DC power supply unit, its feature Be, if the DC power supply unit include dry battery, charging bus, power supply buses, for being powered to some communication equipments Distribution bus, DC rectifier power sources and charge power supply, wherein, the charging of the battery is controlled by the first electronic switch, described The electric discharge of battery is controlled by the second electronic switch, and the DC rectifier power sources are electrically connected with the power supply buses, wherein, the confession Current measurement cable is provided between goddess of lightning's line and distribution bus, the intelligent management monitoring unit is included for detecting the distribution The voltage sample module of the voltage of bus, DC rectifier power sources and each battery, the electric current for detecting the current measurement cable Current sample module and with first electronic switch and the second electronic switch control be connected with electric control module, its In, the current sample module and voltage sample module are connected with the signal input end signal with electric control module.
2. the intelligent management monitoring unit for communication power supply according to claim 1, it is characterised in that described with automatically controlled Molding block includes:Memory, button, display screen, clock chip and CMOS batteries and institute that processor is electrically connected with processor The first electronic switch control circuit and second stated the communication module of processor communication connection and electrically connected with the processor Electronic switch control circuit, wherein, the current sample module and voltage sample module and the signal with electric control module Input end signal is connected.
3. the intelligent management monitoring unit for communication power supply according to claim 2, it is characterised in that first electricity Sub switch control circuit includes photoelectrical coupler and the drive circuit electrically connected with the photoelectrical coupler.
4. the intelligent management monitoring unit for communication power supply according to claim 2, it is characterised in that the electric current is adopted Egf block includes the Hall current sensor coordinated with the current measurement cable noncontact and for being passed to the Hall current The process circuit that the detection signal of sensor is processed, the voltage sample module includes voltage sample device and voltage comparator.
5. the intelligent management monitoring unit for communication power supply according to claim 2, it is characterised in that the communication sets It is standby that the supply line that break-make is controlled by the 3rd electronic switch, the 3rd electronic switch and institute are provided between the distribution bus State and control to connect with electric control module.
6. the intelligent management monitoring unit for communication power supply according to claim 1, it is characterised in that first electricity Sub switch and the second electronic switch are unidirectional thyristor switch, and the control pole that the unidirectional thyristor is switched is with described with automatically controlled The control end electrical connection of molding block.
7. the intelligent management monitoring unit for communication power supply according to claim 1, it is characterised in that the DC rectifications Power supply includes input filter, transformer, rectifier network and output filter, wherein, the rectifier network is by alternate Converter is connected, and the output filter is connected the outlet side of rectifier network, including voltage modulation attenuator, described Voltage modulation attenuator includes capacitor, inductor, backward dioded and multiple forward diodes.
8. a kind of transformer substation communication power-supply system, including DC power supply unit, it is characterised in that the DC power supply unit includes If dry battery, charging bus, power supply buses, the distribution bus for being powered to some communication equipments, DC rectifier power sources and filling Power supply, wherein, the charging of the battery is controlled by the first electronic switch, and the electric discharge of the battery is by the second electronic switch Control, the DC rectifier power sources are electrically connected with the power supply buses, wherein, it is provided with electricity between the power supply buses and distribution bus Flow measurement cable, for coordinating current sample module to realize the measurement of supply current.
9. transformer substation communication power-supply system according to claim 8, it is characterised in that also including for detecting the distribution The voltage sample module of the voltage of bus, DC rectifier power sources and each battery, the electric current for detecting the current measurement cable Current sample module and with first electronic switch and the second electronic switch control be connected with electric control module, its In, the current sample module and voltage sample module are connected with the signal input end signal with electric control module.
10. transformer substation communication power-supply system according to claim 9, it is characterised in that first electronic switch and Two electronic switches are unidirectional thyristor switch, the control pole of the unidirectional thyristor switch and the control with electric control module End electrical connection processed.
CN201621349373.0U 2016-12-09 2016-12-09 For the intelligent management monitoring unit and transformer substation communication power-supply system of communication power supply Expired - Fee Related CN206250849U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621349373.0U CN206250849U (en) 2016-12-09 2016-12-09 For the intelligent management monitoring unit and transformer substation communication power-supply system of communication power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621349373.0U CN206250849U (en) 2016-12-09 2016-12-09 For the intelligent management monitoring unit and transformer substation communication power-supply system of communication power supply

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Publication Number Publication Date
CN206250849U true CN206250849U (en) 2017-06-13

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170613

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