CN106130081B - A kind of standby power system and its method that equipment is monitored online - Google Patents
A kind of standby power system and its method that equipment is monitored online Download PDFInfo
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- CN106130081B CN106130081B CN201610485887.7A CN201610485887A CN106130081B CN 106130081 B CN106130081 B CN 106130081B CN 201610485887 A CN201610485887 A CN 201610485887A CN 106130081 B CN106130081 B CN 106130081B
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- electric energy
- power supply
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- energy meter
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000012806 monitoring device Methods 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 230000001276 controlling effect Effects 0.000 claims abstract description 3
- 238000012544 monitoring process Methods 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 238000005259 measurement Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
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- H02J5/005—
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention discloses a kind of standby power systems and its method that equipment is monitored online, first power supply, relay, multifunctional electric energy meter and intelligent monitoring device, first power supply includes taking energy coil and rectifying and wave-filtering equipment, the taking energy coil is connect for obtaining electric energy from circuit with circuit inductance, the rectifying and wave-filtering equipment is connect for being converted into regulated power after the electric energy obtained from circuit is carried out rectifying and wave-filtering with the taking energy coil, first power supply is connected through the energy supply terminal of relay and multifunctional electric energy meter, the intelligent monitoring device and the multifunctional electric energy meter communication connection are used to obtain the information that the multifunctional electric energy meter obtains energy from second source, the intelligent monitoring device and the relay communication connection connect the first power supply through the energy supply terminal of relay and multifunctional electric energy meter for controlling the relay when second source is offline, this hair It is bright to solve the problems, such as electric energy meter caused information collection inaccuracy offline, prevent power stealing stealing.
Description
Technical field
The present invention relates to the standby power systems and its method of on-line monitoring equipment.
Background technique
In the purpose monitoring of electric system, electric energy meter is responsible for all data information inside monitoring and metering circuit, such as
Voltage and current and electricity consumption etc., often occur due to electronic product long-play crash or malice stealing power stealing etc. its
It is offline that his reason will lead to electric energy meter, influences to acquire success rate, leads to the inaccuracy of monitoring result.
Multifunctional electric energy meter is used in the present invention, which includes but are not limited to Current Voltage sensor and electric energy meter
Measure device.
Summary of the invention
To solve the above problems, the present invention provides a kind of standby power system and its method that equipment is monitored online.More
Function electric energy meter is unable to get normal power supply in subscriber's line circuit, cannot in use, the taking energy coil can power to electric energy meter,
By switching on and off for relay, power supply of the taking energy coil to offline electric energy meter is realized.
The intelligent monitoring device controls switching on and off for the relay by monitoring multifunctional electric energy table status, is
It is no to be powered by the second source to multifunctional electric energy meter, the inaccuracy of information collection caused by the present invention solves electric energy meter offline
The problem of, guarantee capable of being transmitted to from intelligent monitoring device in time to from circuit acquisition information for multifunctional electric energy meter.
The present invention provide it is a kind of be monitored online equipment standby power system characterized by comprising the first power supply, after
Electric appliance, multifunctional electric energy meter and intelligent monitoring device, which includes taking energy coil and rectifying and wave-filtering equipment, this takes energy line
Circle connect with circuit inductance for obtaining electric energy from circuit, the rectifying and wave-filtering equipment connect with the taking energy coil be used for will be from circuit
The electric energy of acquisition is converted into regulated power after carrying out rectifying and wave-filtering, energy supply of first power supply through relay and multifunctional electric energy meter
Terminal connection, the intelligent monitoring device and the multifunctional electric energy meter communication connection are for obtaining the multifunctional electric energy meter from the second electricity
Source obtains the information of energy, and the intelligent monitoring device and the relay communication connection are used for when second source is offline control should be after
Electric appliance connects the first power supply through the energy supply terminal of relay and multifunctional electric energy meter.
It further include third power supply, which obtains electric energy from first power supply in some embodiments of the present invention
And storing electrical energy, first power supply are successively connected through the energy supply terminal of the third power supply and relay and multifunctional electric energy meter, it should
Third power supply obtains electric energy and storing electrical energy from first power supply.
In some embodiments of the present invention, which further includes overload cut-out, the intelligent monitoring device and first
Power supply communication connection is used to disconnect taking energy coil and rectifying and wave-filtering equipment when the first power supply encounters pulse current.
In some embodiments of the present invention, which further includes battery.
In some embodiments of the present invention, which includes voltage-current sensor and electrical energy measurement dress
It sets.
The invention also includes it is a kind of be monitored online equipment backup power source method, steps of the method are:
S000 provides the standby power system of on-line monitoring equipment as described above；
S100 obtains electric energy using taking energy coil from circuit, forms the first power supply by rectifying and wave-filtering；
S200, when intelligent monitoring device monitors that the multifunctional electric energy meter cannot obtain energy from second source, control
The relay connects the first power supply through the energy supply terminal of relay and multifunctional electric energy meter, multi-functional to be given using the first power supply
Electric energy meter energy supply.
In some embodiments of the present invention, in step s 200, when the intelligent monitoring device monitors the multi-functional electricity
There is voltage decreasing rate from the information that second source obtains energy and falls into section v in energy tableiThe case where when, control the relay
In delay TiThe first power supply is connected through the energy supply terminal of relay and multifunctional electric energy meter afterwards, to give more function using the first power supply
Energy electric energy meter energy supply, delay TiIt calculates according to the following formula:
Work as ti+Δt(2-pi)≤tmaxWhen, Ti=ti+Δt(2-pi)
Work as ti+Δt(2-pi)>tmaxWhen, Ti=tmax
Wherein, the range for the voltage decreasing rate for causing second source offline in historical data is divided into n section, viIt is
I-th of section in the n section, piIt is in viIn the case of the offline probability of second source, tiIt is in viIn the case of second source
Restore the average time of energy supply, △ t is the extra latency of setting, is 1~5 second.
In some embodiments of the present invention, further include in step S300, when the intelligent monitoring device monitor this second
When power supply becomes presence from off-line state, confession of the relay by the first power supply through relay and multifunctional electric energy meter is controlled
It can terminal disconnection.
By above method, the method for the present invention not only increase can only monitoring device to the success rate of the acquisition of electricity consumption, also
The time that can be connected by the acquisition to data information, reasonable arrangement relay, reduce the loss of power supply.
Detailed description of the invention
Fig. 1 is the first power principle figure of the invention.
Fig. 2 the method for the present invention schematic diagram.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention will be further described with reference to the examples below.
As shown in Figure 1 and Figure 2, the present invention provides a kind of standby power system that equipment is monitored online, comprising: the first power supply,
Relay, multifunctional electric energy meter and intelligent monitoring device, first power supply include taking energy coil and rectifying and wave-filtering equipment, in Fig. 1
It is shown as the taking energy coil and connect the process that the rectified filter apparatus of electric energy obtained forms regulated power with circuit inductance, this
One power supply is connected through the energy supply terminal of relay and multifunctional electric energy meter, and the intelligent monitoring device and the multifunctional electric energy meter communicate
The information for obtaining the multifunctional electric energy meter from second source acquisition energy is connected, the intelligent monitoring device and the relay are logical
News connection is for controlling energy supply of the relay by the first power supply through relay and multifunctional electric energy meter when second source is offline
Terminal is connected.
In the present embodiment, second source is user power utilization circuit, which monitors subscriber's line circuit telecommunications
Breath.
Further include third power supply in some embodiments of the present invention, first power supply successively through the third power supply and after
The connection of the energy supply terminal of electric appliance and multifunctional electric energy meter, the third power supply obtain electric energy and storing electrical energy from first power supply.
In some embodiments of the present invention, which further includes overload cut-out, the intelligent monitoring device and first
Power supply communication connection is used to disconnect taking energy coil and rectifying and wave-filtering equipment when the first power supply encounters pulse current.
In some embodiments of the present invention, which further includes battery.
In some embodiments of the present invention, which includes voltage-current sensor and electrical energy measurement dress
It sets.
The invention also includes a kind of method of backup power source that equipment is monitored online, steps of the method are: it provides as above
The standby power system of the on-line monitoring equipment；Electric energy is obtained from circuit using taking energy coil, passes through rectifying and wave-filtering shape
At the first power supply；When intelligent monitoring device monitors that the multifunctional electric energy meter cannot obtain energy from second source, control should
Relay connects the first power supply through the energy supply terminal of relay and multifunctional electric energy meter, to give multi-functional electricity using the first power supply
It can table energy supply.
In some embodiments of the present invention, in the data that Jing Yici sampling statistics obtain, data are as follows:
Table 1
As shown in table 1, when the intelligent monitoring device monitors letter of the multifunctional electric energy meter from second source acquisition energy
Occur voltage decreasing rate in breath and falls into section viThe case where when, control the relay delay TiAfterwards by the first power supply through relay
The energy supply terminal of device and multifunctional electric energy meter is connected, to be energized using the first power supply to multifunctional electric energy meter, delay TiAccording to
Following formula calculates:
Work as ti+Δt(2-pi)≤tmaxWhen, Ti=ti+Δt(2-pi)
Work as ti+Δt(2-pi)>tmaxWhen, Ti=tmax
Wherein, the range for the voltage decreasing rate for causing second source offline in historical data is divided into n section, viIt is
I-th of section in the n section, piIt is in viIn the case of the offline probability of second source, tiIt is in viIn the case of second source
Restore the average time of energy supply, △ t is the extra latency of setting, is 1~5 second.
For example, n is 7 value intervals, respectively 150V/S or more, 130V/S~150V/S, 110V/S in the present embodiment
~130V/S, 90V/S~110V/S, 70V/S~90V/S, 50V/S~70V/S, when the voltage that this time causes second source offline
When fall off rate is belonged in the section 130V/S~150V/S, if system maximum latency tmax=40s, specified waiting time are 2s；
Maximum is according to formula, delay time Ti=10+2 (2-0.95)=12.1s；
That is after 12.1s, which starts to energize to multifunction electric meter.
In some embodiments of the present invention, become when the intelligent monitoring device monitors the second source from off-line state
When presence, controls the relay and disconnect the first power supply through the energy supply terminal of relay and multifunctional electric energy meter；
The above, the only preferred embodiment of this practical invention, cannot limit this practical invention practical range with this；It is all
According to simple equivalent changes and modifications made by scope of the present invention patent and creation description, the present invention should still belong to
In the range of patent covers.
Claims (6)
1. a kind of method for the backup power source that equipment is monitored online, steps of the method are:
S000 provides a kind of standby power system that equipment is monitored online, comprising: the first power supply, relay, multifunctional electric energy meter
And intelligent monitoring device, first power supply include taking energy coil and rectifying and wave-filtering equipment, which connect with circuit inductance
For obtaining electric energy from circuit, it is whole which connect the progress of the electric energy for will obtain from circuit with the taking energy coil
It is converted into regulated power after stream filtering, which connects through the energy supply terminal of relay and multifunctional electric energy meter, the intelligence
Monitoring device and the multifunctional electric energy meter communication connection are used to obtain the letter that the multifunctional electric energy meter obtains energy from second source
Breath, the intelligent monitoring device and the relay communication connection are for controlling the relay when second source is offline for the first power supply
It is connected through the energy supply terminal of relay and multifunctional electric energy meter；
S100 obtains electric energy using taking energy coil from circuit, forms the first power supply by rectifying and wave-filtering；
S200 controls the relay when intelligent monitoring device monitors that the multifunctional electric energy meter cannot obtain energy from second source
Device connects the first power supply through the energy supply terminal of relay and multifunctional electric energy meter, to utilize the first power supply to multifunctional electric energy meter
Energy supply, wherein occurring electricity from the information that second source obtains energy when the intelligent monitoring device monitors the multifunctional electric energy meter
Drops rate falls into section viThe case where when, control the relay delay TiAfterwards by the first power supply through relay with it is multi-functional
The energy supply terminal of electric energy meter is connected, to be energized using the first power supply to multifunctional electric energy meter, delay TiIt calculates according to the following formula:
Work as ti+Δt(2-pi)≤tmaxWhen, Ti=ti+Δt(2-pi)
Work as ti+Δt(2-pi)>tmaxWhen, Ti=tmax
Wherein, the range for the voltage decreasing rate for causing second source offline in historical data is divided into n section, viIt is the n
I-th of section in section, piIt is in viIn the case of the offline probability of second source, tiIt is in viIn the case of second source restore
The average time of energy supply, △ t are the extra latencies of setting, are 1~5 second；tmaxFor system maximum latency.
2. the method for the backup power source of the on-line monitoring equipment as claimed in claim 1, which is characterized in that further include step S300
In, when the intelligent monitoring device, which monitors the second source, becomes presence from off-line state, the relay is controlled by
One power supply is disconnected through the energy supply terminal of relay and multifunctional electric energy meter.
3. the method for the backup power source of the on-line monitoring equipment as claimed in claim 1, which is characterized in that the on-line monitoring is set
Standby standby power system further includes third power supply, and first power supply is successively through the third power supply and relay and multifunctional electric energy
The energy supply terminal of table connects, which obtains electric energy and storing electrical energy from first power supply.
4. the method for the backup power source of the on-line monitoring equipment as claimed in claim 1, which is characterized in that first power supply also wraps
Overload cut-out is included, the intelligent monitoring device and the first power supply communication connection are used for when the first power supply encounters pulse current by being somebody's turn to do
Overload cut-out disconnects taking energy coil and rectifying and wave-filtering equipment.
5. the method for the backup power source of the on-line monitoring equipment as claimed in claim 1, which is characterized in that the intelligent monitoring device
It further include battery.
6. the method for the backup power source of the on-line monitoring equipment as claimed in claim 1, which is characterized in that the multifunctional electric energy meter
Including voltage-current sensor and electric energy metering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610485887.7A CN106130081B (en) | 2016-06-28 | 2016-06-28 | A kind of standby power system and its method that equipment is monitored online |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610485887.7A CN106130081B (en) | 2016-06-28 | 2016-06-28 | A kind of standby power system and its method that equipment is monitored online |
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| Publication Number | Publication Date |
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| CN106130081A CN106130081A (en) | 2016-11-16 |
| CN106130081B true CN106130081B (en) | 2019-03-12 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203660492U (en) * | 2013-12-11 | 2014-06-18 | 广东天能电力设计有限公司 | Microcomputer comprehensive protection device having active/passive automatic switching function |
| CN105119388A (en) * | 2015-09-01 | 2015-12-02 | 国网新疆电力公司经济技术研究院 | Current transformer energy-obtaining power supply working in wide current range |
| CN205811563U (en) * | 2016-06-28 | 2016-12-14 | 国网山东省电力公司泰安供电公司 | A kind of standby power system of on-line monitoring equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011229337A (en) * | 2010-04-22 | 2011-11-10 | Toshiba Corp | Information processing apparatus and charging/discharging control method |
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- 2016-06-28 CN CN201610485887.7A patent/CN106130081B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203660492U (en) * | 2013-12-11 | 2014-06-18 | 广东天能电力设计有限公司 | Microcomputer comprehensive protection device having active/passive automatic switching function |
| CN105119388A (en) * | 2015-09-01 | 2015-12-02 | 国网新疆电力公司经济技术研究院 | Current transformer energy-obtaining power supply working in wide current range |
| CN205811563U (en) * | 2016-06-28 | 2016-12-14 | 国网山东省电力公司泰安供电公司 | A kind of standby power system of on-line monitoring equipment |
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| CN106130081A (en) | 2016-11-16 |
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