CN106549489A - A kind of operation method of self-powered distributed intelligence distribution terminal - Google Patents
A kind of operation method of self-powered distributed intelligence distribution terminal Download PDFInfo
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- CN106549489A CN106549489A CN201611242096.8A CN201611242096A CN106549489A CN 106549489 A CN106549489 A CN 106549489A CN 201611242096 A CN201611242096 A CN 201611242096A CN 106549489 A CN106549489 A CN 106549489A
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- distribution terminal
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- power distribution
- intelligent power
- storage battery
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention relates to the operation method of self-powered distributed intelligence distribution terminal, installs current transformer on main inlet wire, the electric energy input power management module of acquisition, power management module are connected with energy-storage battery and Intelligent power distribution terminal respectively；When main inlet wire has electricity, the electric energy from current transformer is directly powered to Intelligent power distribution terminal, while charging to energy-storage battery, now, Intelligent power distribution terminal carries out data acquisition with routine sampling frequency, carries out data upload with regular time intervals；When main inlet wire is without electricity, it is powered using energy-storage battery, when energy-storage battery voltage declines, reduce the sample frequency of Intelligent power distribution terminal data acquisition, increase the time interval that Intelligent power distribution terminal data are uploaded, to reduce the power consumption of Intelligent power distribution terminal, extend the working time of Intelligent power distribution terminal under power down mode, enable control centre to be continuously obtained information, understand the state of ring main unit in time.
Description
Technical field
The present invention relates to a kind of operation method of self-powered distributed intelligence distribution terminal.
Background technology
Since China carries out intelligent grid construction, a large amount of Intelligent power distribution terminal DTU have been employed（Distribution
Terminal Unit）, remarkable effect is served to improving distribution network automated, intelligent level.Existing DTU typically adopts TV
Power supply mode, has a disadvantage in that：Increased equipment installation difficulty, accident probability and cost.
Common run times of the self-powered DTU after incoming power is lost is determined by matched somebody with somebody battery capacity completely.This
Invention extends the run time after DTU uses battery, reduces DTU number of dormancies and time.
The content of the invention
The invention solves the problems that technical problem is：Overcome above-mentioned prior art shortcoming, propose a kind of self-powered distributed intelligence
The operation method of distribution terminal, extends DTU using the run time after battery, reduces DTU number of dormancies and time.
In order to solve above-mentioned technical problem, technical scheme proposed by the present invention is：A kind of self-powered distributed intelligence distribution
The operation method of terminal, it is characterised in that：Current transformer, the electric energy input power management mould of acquisition are installed on main inlet wire
Block, power management module are connected with energy-storage battery and Intelligent power distribution terminal respectively；
S1, when main inlet wire has electricity, the electric energy from current transformer is directly powered to Intelligent power distribution terminal, at the same to energy storage electricity
Pond is charged, and now, Intelligent power distribution terminal carries out data acquisition with routine sampling frequency, is carried out in data with regular time intervals
Pass；
S2, when main inlet wire is without electricity, then Intelligent power distribution terminal is powered by energy-storage battery；Power management module monitors energy-storage battery
Voltage, when the voltage of energy-storage battery is reduced to predetermined threshold value V1, then reduce Intelligent power distribution terminal data acquisition sample frequency,
Increase the time interval that Intelligent power distribution terminal data are uploaded, to reduce the power consumption of Intelligent power distribution terminal；When the voltage of energy-storage battery
During less than given threshold V0, Intelligent power distribution terminal enters resting state, wherein, V0< V1<The specified electricity of Ve, Ve for energy-storage battery
Pressure；When main inlet wire recovers to have electricity, Intelligent power distribution terminal is waken up, and performs according to step S1.
The present invention also tool is the following further improved：
1st, in step S2, if the voltage of energy-storage battery is not less than predetermined threshold value V1, Intelligent power distribution terminal is with routine sampling frequency
Data acquisition is carried out, and data upload is carried out with regular time intervals；If the voltage of energy-storage battery is not less than predetermined threshold value V1 and low
In given threshold V0, then Intelligent power distribution terminal carries out data acquisition with sample frequency f1, carries out data upload with time interval t1；
f1 <Routine sampling frequency, t1>Regular time intervals.
2nd, the power management module is also associated with Yun Hua data centers, when main inlet wire has electricity, from current transformer
Electric energy directly Yun Hua data centers are powered；When main inlet wire is without electricity, then Yun Hua data centers are powered by energy-storage battery, when
When the voltage of energy-storage battery is less than given threshold V0, Yun Hua data centers enter resting state, when main inlet wire recovers to have electricity, intelligence
Distribution terminal is waken up recovery normal work.
3rd, the Intelligent power distribution terminal is located in ring main unit, the electric signal in ring main unit is sent to cloud for sampling
Data center.
4th, the power management module has rectifier bridge, filter circuit of pressure-stabilizing and the power switching circuit being sequentially connected, institute
Stating power switching circuit includes a diode, and the positive pole of diode connects the output end of filter circuit of pressure-stabilizing, negative pole connection electricity
The positive pole and Intelligent power distribution terminal feeder ear in pond；When the output voltage of filter circuit of pressure-stabilizing is higher than energy storage battery voltage, then assert
Leader cable has electricity, now diode current flow, and the electric energy that current transformer is obtained is powered to Intelligent power distribution terminal, while to energy storage electricity
Pond is charged；When the output voltage of filter circuit of pressure-stabilizing is less than energy-storage battery voltage, then leader cable is assert without electricity, now two pole
Pipe ON-OFF, Intelligent power distribution terminal are powered by energy-storage battery.
5th, Intelligent power distribution terminal feeder ear is connected with for measuring the CPU of its voltage, and according to the voltage-regulation for measuring
The time interval that the data sampling frequency of Intelligent power distribution terminal and data are uploaded.
The present invention by monitoring whether leader cable has electricity being powered the switching of mode, when being supplied using energy-storage battery
After electricity, energy-storage battery electricity reduces the sample frequency of Intelligent power distribution terminal data acquisition less than measurement threshold, increases intelligent power distribution
The time interval that terminal data is uploaded, to reduce the power consumption of Intelligent power distribution terminal, extends Intelligent power distribution terminal under power down mode
Working time, enable control centre to be continuously obtained information, understand the state of ring main unit in time.
Description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the electrical schematic of the present invention.
Fig. 2 is power management module circuit theory diagrams.
Schematic diagrams of the Fig. 3 for the inventive method.
Specific embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
It is illustrated in figure 1 embodiment of the present invention electrical schematic.The present invention proposes a kind of self-powered distributed intelligence distribution
The operation method of terminal.Which installs current transformer, the electric energy input power management module of acquisition, power management on main inlet wire
Module is connected with energy-storage battery, Intelligent power distribution terminal and Yun Hua data centers respectively, and Intelligent power distribution terminal is located in ring main unit, is used
In sampling ring main unit in electric signal and send to Yun Hua data centers.
The operation method of the present embodiment distribution terminal is as follows：
S1, when main inlet wire has electricity, the electric energy from current transformer is directly supplied to Intelligent power distribution terminal and Yun Hua data centers
Electricity, while charging to energy-storage battery, now, Intelligent power distribution terminal carries out data acquisition with routine sampling frequency, with Conventional Time
Interval carries out data upload；
S2, when main inlet wire is without electricity, then Intelligent power distribution terminal and Yun Hua data centers are powered by energy-storage battery；Power management mould
Block monitors the voltage of energy-storage battery, if the voltage of energy-storage battery is not less than predetermined threshold value V1, Intelligent power distribution terminal is adopted with conventional
Sample frequency carries out data acquisition, carries out data upload with regular time intervals；If the voltage of energy-storage battery is less than predetermined threshold value V1
And being not less than given threshold V0, then Intelligent power distribution terminal carries out data acquisition with sample frequency f1, enters line number with time interval t1
According to upload；f1 <Routine sampling frequency, t1>Regular time intervals；When the voltage of energy-storage battery is less than given threshold V0, intelligence
Distribution terminal and Yun Hua data centers enter resting state；When main inlet wire recovers to have electricity, in Intelligent power distribution terminal and cloud data
The heart is waken up, and performs according to step S1.
As shown in Fig. 2 the power management module circuit theory diagrams of the present embodiment, power management module has what is be sequentially connected
Rectifier bridge（Diode D1-D4 is constituted）, filter circuit of pressure-stabilizing（It is made up of voltage stabilizing chip U, resistance R1, R2 and electric capacity C1, C2）With
Power switching circuit.Rectification circuit（Rectifier bridge）Circuit common is with filter circuit of pressure-stabilizing, the present embodiment is not carried out specifically
It is bright.Power switching circuit includes a diode D5, and the positive pole of diode D5 connects the output end of filter circuit of pressure-stabilizing, diode
The negative pole of D5 connects the positive pole of energy-storage battery and DTU feeder ears respectively.When the output voltage of filter circuit of pressure-stabilizing is higher than accumulation of energy electricity
Cell voltage, then assert that leader cable has electricity, and now diode D5 conductings, the electric energy that current transformer is obtained are supplied to Intelligent power distribution terminal
Electricity, while being charged to energy-storage battery；When the output voltage of filter circuit of pressure-stabilizing is less than energy-storage battery voltage, then main electricity is assert
Cable without electricity, powered by energy-storage battery by now diode D5 ON-OFFs, Intelligent power distribution terminal.
Intelligent power distribution terminal feeder ear is connected with for measuring the CPU of its voltage, and according to the voltage-regulation intelligence for measuring
The time interval that the data sampling frequency and data of energy distribution terminal is uploaded.
In the present embodiment, CPU is by monitoring the voltage of Intelligent power distribution terminal feeder ear come adjusting working mode.When main inlet wire
Just during power-off, it is assumed that now energy-storage battery electricity is sufficient, voltage is located near rated voltage Ve, the magnitude of voltage that CPU is detected
More than predetermined threshold value V1, now, the mode of operation of Intelligent power distribution terminal does not change（Data acquisition is carried out with routine sampling frequency,
Data upload is carried out with regular time intervals）, only when battery electric quantity declines to a certain extent（The voltage for detecting is less than V1）,
Just change the mode of operation of Intelligent power distribution terminal, reduce the power consumption of Intelligent power distribution terminal.Such way can be avoided due to short
Intelligent power distribution terminal mode of operation frequent switching caused by time power-off, improves the stability of system.And for the long period
Power-off, the system can extend the effective time of Intelligent power distribution terminal again so that the electric number of ring main unit during long time electric supply failure
According to still being obtained by data center.
Certain ring main unit originally adopts S1 working methods, in main inlet wire using as above self-powered distributed intelligence distribution terminal
After power failure, still with sampling per second once and by cloud terminal upload information, DTU is entered the 7AH batteries for being adopted after 7 hours
Resting state.After main inlet wire has a power failure, if using S2 working methods, battery electric quantity to drop to certain level, sample frequency is set
It is set to sampling per minute and uploads information once.Jing DTU power consumption calculations, in this example, DTU can be in 7AH battery electric power thus supplieds
Under work on 10 hours.In this example, the DTU before terminating that had a power failure at 8 hours never has dormancy, and control centre remains able to
To information, the state of the ring main unit is understood in time.
In addition to the implementation, the present invention can also have other embodiment.All employing equivalents or equivalent transformation shape
Into technical scheme, all fall within the protection domain of application claims.
Claims (6)
1. a kind of operation method of self-powered distributed intelligence distribution terminal, it is characterised in that：Electric current is installed mutual on main inlet wire
Sensor, the electric energy input power management module of acquisition, power management module are connected with energy-storage battery and Intelligent power distribution terminal respectively；
S1, when main inlet wire has electricity, the electric energy from current transformer is directly powered to Intelligent power distribution terminal, at the same to energy storage electricity
Pond is charged, and now, Intelligent power distribution terminal carries out data acquisition with routine sampling frequency, is carried out in data with regular time intervals
Pass；
S2, when main inlet wire is without electricity, then Intelligent power distribution terminal is powered by energy-storage battery；Power management module monitors energy-storage battery
Voltage, when the voltage of energy-storage battery is reduced to predetermined threshold value V1, then reduce Intelligent power distribution terminal data acquisition sample frequency,
Increase the time interval that Intelligent power distribution terminal data are uploaded, to reduce the power consumption of Intelligent power distribution terminal；When the voltage of energy-storage battery
During less than given threshold V0, Intelligent power distribution terminal enters resting state, wherein, V0< V1<The specified electricity of Ve, Ve for energy-storage battery
Pressure；When main inlet wire recovers to have electricity, Intelligent power distribution terminal is waken up, and performs according to step S1.
2. the operation method of self-powered distributed intelligence distribution terminal according to claim 1, it is characterised in that：Step
In S2, if the voltage of energy-storage battery is not less than predetermined threshold value V1, Intelligent power distribution terminal carries out data with routine sampling frequency and adopts
Collection, carries out data upload with regular time intervals；If the voltage of energy-storage battery is less than predetermined threshold value V1 and is not less than given threshold
V0, then Intelligent power distribution terminal data acquisition is carried out with sample frequency f1, data upload is carried out with time interval t1；f1 <Routine is adopted
Sample frequency, t1>Regular time intervals.
3. the operation method of self-powered distributed intelligence distribution terminal according to claim 1, it is characterised in that：The electricity
Source control module is also associated with Yun Hua data centers, and when main inlet wire has electricity, the electric energy from current transformer is directly to cloud
Data center powers；When main inlet wire is without electricity, then Yun Hua data centers are powered by energy-storage battery, when the voltage of energy-storage battery it is low
When given threshold V0, Yun Hua data centers enter resting state, and when main inlet wire recovers to have electricity, Intelligent power distribution terminal is waken up extensive
Multiple normal work.
4. the operation method of self-powered distributed intelligence distribution terminal according to claim 1, it is characterised in that：The intelligence
Can distribution terminal be located in ring main unit, the electric signal in ring main unit send to Yun Hua data centers for sampling.
5. the operation method of self-powered distributed intelligence distribution terminal according to claim 1, it is characterised in that：The electricity
Source control module has rectifier bridge, filter circuit of pressure-stabilizing and the power switching circuit being sequentially connected, the power switching circuit bag
A diode is included, the positive pole of the diode connects the output end of filter circuit of pressure-stabilizing, the positive pole and intelligence of negative pole connection battery
Can distribution terminal feeder ear；When the output voltage of filter circuit of pressure-stabilizing is higher than energy storage battery voltage, then assert that leader cable has electricity, this
When diode current flow, current transformer obtain electric energy Intelligent power distribution terminal is powered, while being charged to energy-storage battery；When
The output voltage of filter circuit of pressure-stabilizing is less than energy-storage battery voltage, then assert leader cable without electricity, now diode current flow cut-off, intelligence
Energy distribution terminal is powered by energy-storage battery.
6. the operation method of self-powered distributed intelligence distribution terminal according to claim 5, it is characterised in that：Intelligence is matched somebody with somebody
Electric terminals feeder ear is connected with for measuring the CPU of its voltage, and according to the number of the voltage-regulation Intelligent power distribution terminal for measuring
According to the time interval that sample frequency and data are uploaded.
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| CN201611242096.8A CN106549489A (en) | 2016-12-29 | 2016-12-29 | A kind of operation method of self-powered distributed intelligence distribution terminal |
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| CN201611242096.8A CN106549489A (en) | 2016-12-29 | 2016-12-29 | A kind of operation method of self-powered distributed intelligence distribution terminal |
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Cited By (8)
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| CN107278075A (en) * | 2017-08-01 | 2017-10-20 | 浙江佳乐科仪股份有限公司 | A kind of Internet of Things DTU boxes |
| CN107482780A (en) * | 2017-09-22 | 2017-12-15 | 武汉微智创大科技有限公司 | A kind of wireless distributed monitoring method, equipment and system |
| CN108562849A (en) * | 2018-03-07 | 2018-09-21 | Abb瑞士股份有限公司 | Self-powered detection device for switchgear |
| CN109450079A (en) * | 2018-12-26 | 2019-03-08 | 广州供电局有限公司 | Method of supplying power to and device using super capacitor as backup power supply |
| CN110691057A (en) * | 2018-07-04 | 2020-01-14 | 中国移动通信有限公司研究院 | Implicit authentication method and device and computer readable storage medium |
| CN110829570A (en) * | 2019-11-18 | 2020-02-21 | 天津合众汇能科技有限公司 | Dormant intelligent power distribution terminal and standby power supply output control method |
| CN113364110A (en) * | 2021-04-23 | 2021-09-07 | 深圳供电局有限公司 | Power supply method and power supply system |
| CN113747548A (en) * | 2020-05-27 | 2021-12-03 | 上海华为技术有限公司 | Electric energy control method and related equipment |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107278075A (en) * | 2017-08-01 | 2017-10-20 | 浙江佳乐科仪股份有限公司 | A kind of Internet of Things DTU boxes |
| CN107482780A (en) * | 2017-09-22 | 2017-12-15 | 武汉微智创大科技有限公司 | A kind of wireless distributed monitoring method, equipment and system |
| CN108562849A (en) * | 2018-03-07 | 2018-09-21 | Abb瑞士股份有限公司 | Self-powered detection device for switchgear |
| CN110691057A (en) * | 2018-07-04 | 2020-01-14 | 中国移动通信有限公司研究院 | Implicit authentication method and device and computer readable storage medium |
| CN110691057B (en) * | 2018-07-04 | 2022-06-07 | 中国移动通信有限公司研究院 | Implicit authentication method and device and computer readable storage medium |
| CN109450079A (en) * | 2018-12-26 | 2019-03-08 | 广州供电局有限公司 | Method of supplying power to and device using super capacitor as backup power supply |
| CN110829570A (en) * | 2019-11-18 | 2020-02-21 | 天津合众汇能科技有限公司 | Dormant intelligent power distribution terminal and standby power supply output control method |
| CN113747548A (en) * | 2020-05-27 | 2021-12-03 | 上海华为技术有限公司 | Electric energy control method and related equipment |
| CN113747548B (en) * | 2020-05-27 | 2023-11-10 | 上海华为技术有限公司 | Electric energy control method and related equipment |
| CN113364110A (en) * | 2021-04-23 | 2021-09-07 | 深圳供电局有限公司 | Power supply method and power supply system |
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