CN108226616A - A kind of wireless blackouts monitoring system and method based on electromagnetic field inducing - Google Patents
A kind of wireless blackouts monitoring system and method based on electromagnetic field inducing Download PDFInfo
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- CN108226616A CN108226616A CN201711500142.4A CN201711500142A CN108226616A CN 108226616 A CN108226616 A CN 108226616A CN 201711500142 A CN201711500142 A CN 201711500142A CN 108226616 A CN108226616 A CN 108226616A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The present invention proposes a kind of wireless blackouts monitoring system and method based on electromagnetic field inducing.The wireless blackouts monitoring method based on electromagnetic induction is applied in corresponding system, and the system comprises blackouts monitoring device and user terminals, specifically include following steps：Measure the EMV electromagnetic value around electrical equipment；Setting stops the threshold value of telegram in reply state, and the value range of the threshold value is the 20%~36% of the EMV electromagnetic value；When the EMV electromagnetic value is equal to or more than the threshold value, then the telegram in reply status information of the electrical equipment is sent to user terminal；When the EMV electromagnetic value is less than the threshold value, then the power failure information of the electrical equipment is sent to user terminal.The present invention can judge that electrical equipment stops telegram in reply state by monitoring electric field or the changes of magnetic field of electrical equipment in real time, and the wireless remote monitering means and tool of electric equipment operation state are provided for electricity consumption company manager.
Description
Technical field
The invention belongs to power network monitoring technical field, more particularly to a kind of wireless blackouts monitoring system based on electromagnetic field inducing
System and method.
Background technology
In recent years, with the fast development of Chinese national economy, industry, commercial power increase year by year.How enterprise energy to be allowed
Enough safe and reliable electricity consumptions, receive the concern of power grid enterprises always.Once having a power failure, the warp of electricity consumption enterprise is not only directly contributed
Ji loss, while certain negative effect is also brought to power grid.Power distribution room blackouts monitoring towards electricity consumption enterprise-level is extremely urgent.
At present, the monitoring of power distribution room electric equipment operation state is completed mostly by the way of access in radio.It is main to realize
Principle is：By the way that voltage transformer or current transformer are sealed in electrical primary circuit, then by the electricity of secondary side generation
Pressure, current signal are linked into measuring loop；Monitoring device by measuring secondary side voltage in real time, current signal extrapolates equipment
Operating condition parameter；When electrical equipment has a power failure, measuring apparatus is monitored less than secondary side data, you can judgement electrical equipment
Have occurred and that power-off event.
This technology has the following problems：
It needs to assemble multigroup cable in installation process, entire work progress complex process, difficulty are big, time-consuming；
The data of monitoring can only live computer check that electricity consumption company manager can not grasp power distribution room power failure at a distance
Information；
The debugging of monitoring device and maintenance phase are high to the professional skill requirement of worker, especially when monitoring device failure
When, cable investigation difficulty is big, and maintenance cost is high.
Invention content
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, propose a kind of based on the wireless of electromagnetic field inducing
Blackouts monitoring system and method can judge that electrical equipment stops by monitoring electric field or the changes of magnetic field of electrical equipment in real time
Telegram in reply state provides the remote monitoring means and tool of electric equipment operation state for electricity consumption company manager.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of wireless blackouts monitoring method based on electromagnetic field inducing, which is characterized in that include the following steps：
A. the EMV electromagnetic value around electrical equipment is measured, the EMV electromagnetic value includes at least magnetic field value, one kind in electric field value；
B. setting stops the threshold value of telegram in reply state, and the value range of the threshold value is the 20%~36% of the EMV electromagnetic value；
C. when the EMV electromagnetic value is equal to or more than the threshold value, then the telegram in reply shape of the electrical equipment is sent to user terminal
State information；When the EMV electromagnetic value is less than the threshold value, then the power failure information of the electrical equipment is sent to user terminal.
Another aspect of the present invention provides a kind of for implementing the wireless blackouts monitoring side based on electromagnetic field inducing
The system of method, which is characterized in that the system comprises：
Blackouts monitoring device and user terminal, the blackouts monitoring device are established the link with the user terminal by network；
The blackouts monitoring device is used to measure the EMV electromagnetic value around the electrical equipment；When the EMV electromagnetic value is equal to or greatly
When the threshold value, then the telegram in reply status information of the electrical equipment is sent to the user terminal；When the EMV electromagnetic value is less than institute
When stating threshold value, then the power failure information of the electrical equipment is sent to the user terminal；
The user terminal is used to stop blackouts monitoring device setting according to stipulations instruction the threshold value of telegram in reply state；For
Receive the blackouts monitoring device stops status information of sending a telegram in reply.
Further, the blackouts monitoring device includes electromagnetic field inducing module, operational amplifying module, processing module, nothing
Wire module；
Collected electromagnetic signal for acquiring electromagnetic signal, is converted to electric signal by the electromagnetic field inducing module, and
By the electric signal transmission to the operational amplifying module, the electromagnetic signal includes at least magnetic field signal, in electric field signal
It is a kind of；
The operational amplifying module for being filtered amplification to the electric signal, and amplified signal is transferred to described
Processing module；
The processing module, for the amplified signal to be converted into EMV electromagnetic value, by the EMV electromagnetic value and the threshold value of setting
It is compared, when the EMV electromagnetic value is equal to or more than the threshold value, then sends telegram in reply instruction to the wireless module；When described
When EMV electromagnetic value is less than the threshold value, then the instruction that has a power failure is sent to the wireless module；
The wireless module for receiving the instruction that the processing module is sent, and sends corresponding letter by described instruction
Cease the user terminal.
Further, the blackouts monitoring device is further used for measuring the EMV electromagnetic value around the electrical equipment, and will
The EMV electromagnetic value is sent on the user terminal.
Further, the user terminal is further used for receiving the electrical equipment week that the blackouts monitoring device measures
The EMV electromagnetic value enclosed, and the threshold value of the threshold value stipulations instruction setting blackouts monitoring device is passed through according to the EMV electromagnetic value.
Further, the blackouts monitoring device further uses 9V battery powereds.
Further, the processing module is further used for monitoring the electricity of the 9V batteries, and can be by described wireless
Module sends the information about power of the blackouts monitoring device to the user terminal.
Further, the 9V batteries are 9V carbon batteries, 9V alkaline batteries, one kind in 9V Ni-MH batteries.
Beneficial effects of the present invention：
The complex works such as physical routing, wiring, electric adjustment are removed in the implementation of technical scheme of the present invention from, will not be to electrical
The operation of equipment generates any influence, does not need to arrange power off time, and it is convenient to implement, and debugging is simple, and maintenance cost is low, without
Cable is carried out with monitored electrical equipment to dock, and electricity can determine whether by the electric field or changes of magnetic field that monitor electrical equipment in real time
Gas equipment stops telegram in reply state, and the wireless remote monitering means and work of electric equipment operation state are provided for electricity consumption company manager
Tool.
Description of the drawings
Fig. 1 is a kind of system of wireless blackouts monitoring method of the implementation of one embodiment of the invention based on electromagnetic field inducing
Block diagram.
Fig. 2 is a kind of flow chart of blackouts monitoring method of one embodiment of the invention.
Specific embodiment
Hereinafter, will the present invention is described in detail in conjunction with the accompanying drawings and embodiments.Following embodiment is not to the present invention
Limitation.Without departing from the spirit and scope of the invention, various changes and advantages that will be apparent to those skilled in the art all by
It is included in the invention.
Fig. 1 is a kind of system of wireless blackouts monitoring method of the implementation of one embodiment of the invention based on electromagnetic field inducing
Block diagram.
System includes blackouts monitoring device 1 and user terminal 2, and blackouts monitoring device 1 and user terminal 2 pass through GSM mobile networks
It establishes the link.
As shown in Figure 1, blackouts monitoring device 1 includes electromagnetic field inducing module 11, operational amplifying module 12, processing module 13
And wireless module 14.
Electromagnetic field inducing module 11 is converted to electric signal, and will for acquiring electromagnetic signal, by collected electromagnetic signal
The electric signal transmission gives the operational amplifying module, and the electromagnetic signal includes at least magnetic field signal, and one in electric field signal
Kind, specifically, using electromagnetic field inducing module 11 of the inductor as blackouts monitoring device in the present embodiment.
Operational amplifying module 12 is used to be filtered the electric signal amplification, and amplified signal is transferred to the processing
Module, specifically, operational amplifying module 12 is operational amplification circuit in the present embodiment, to the telecommunications obtained after inductor sensing
Number carry out detection, filtering, after amplification, obtain amplified signal, and be input to the sample port of processing module 13.
Processing module 13 is used to the amplified signal being converted into EMV electromagnetic value, and the EMV electromagnetic value and the threshold value of setting are carried out
Compare, when the EMV electromagnetic value is equal to or more than the threshold value, then send telegram in reply instruction to the wireless module；When the electromagnetism
When value is less than the threshold value, then the instruction that has a power failure is sent to the wireless module, the EMV electromagnetic value includes magnetic field value, in electric field value
At least one, specifically, being acquired sample port as processing module 13 using STM8L051F3P6 chips in the present embodiment
To amplified analog signal be converted to digital signal, and then corresponding EMV electromagnetic value is calculated, by EMV electromagnetic value with setting threshold value
It is compared, you can judge the operating status of electrical equipment.When monitoring gained EMV electromagnetic value is more than preset threshold value, monitoring
Corresponding transition (such as from 0 to 1) can occur for state, and chip sends telegram in reply instruction to wireless communication module 14, notifies 2 quilt of user terminal
Monitor the relevant information of electrical equipment telegram in reply；When monitoring gained EMV electromagnetic value is less than preset threshold value, monitoring state can be sent out
Raw corresponding transition (such as from 1 to 0), chip send the instruction that has a power failure to wireless communication module 14, and notice user terminal 2 is monitored electrical
The relevant information that equipment has a power failure.
Wireless module 14 is used to receive the instruction that the processing module 13 is sent, and send corresponding information by described instruction
To the user terminal 2, specifically, being sent out in the present embodiment using SIM800C as wireless module 14 when receiving processing module 13
After the telegram in reply instruction sent, electrical equipment telegram in reply information is sent to corresponding user terminal 2 according to instruction；When receiving processing module 13
After the power failure instruction of transmission, electrical equipment outage information is sent to corresponding user terminal 2 according to instruction.
Further, using 9V batteries as power supply, which passes through the blackouts monitoring device 1 in the present embodiment
It is transformed to be suitble to operational amplifying module 12 after crossing corresponding voltage-stablizer transformation, processing module 13 and wireless module 14 work normally
Voltage, specifically, the 9V voltages can be used 9V carbon batteries, 9V alkaline batteries, one kind in 9V Ni-MH batteries.
Further, the 9V batteries of the present embodiment access reason module 13 everywhere after decompression, and processing module 13 passes through modulus
The size of the current voltage value of the 9V batteries can be calculated after conversion, and then blackouts monitoring device 1 can be calculated and work as
Preceding remaining charge value, user terminal 2 can send corresponding electricity quantity inquiring stipulations instructions query blackouts monitoring to blackouts monitoring device 1
The charge value of 1 current residual of device.
Further, for the blackouts monitoring device 1 of this implementation in order to reduce hardware overall power, device physical layer is not provided with work
Condition state instruction, the work condition state of device send work state information to user terminal 2 by 13 timing of processing module and are fed back.
User terminal 2 be used for receive the blackouts monitoring device stop send a telegram in reply status information, specifically, the use in the present embodiment
Family end 2 can be that mobile phone, computer etc. has the function of the electronic equipment of information processing and data sending and receiving.
Further, user terminal 2 can instruct according to the stipulations of blackouts monitoring device 1 and blackouts monitoring device 1 is visited
Parameter setting is asked about, corresponding action and feedback are made in the stipulations instruction that blackouts monitoring device 1 is sent according to user terminal 2, specifically
, include the EMV electromagnetic value of inquiry 1 the currently monitored gained of blackouts monitoring device, setting blackouts monitoring device 1 stops telegram in reply state
Threshold value, the current charge value of inquiry blackouts monitoring device 1, work condition state feedback frequency of setting blackouts monitoring device 1 etc..
Fig. 2 is a kind of flow chart of blackouts monitoring method of one embodiment of the invention, is included the following steps：
The EMV electromagnetic value around electrical equipment is measured, the EMV electromagnetic value includes at least magnetic field value, one kind in electric field value
(201)；
Setting stops the threshold value of telegram in reply state, and the value range of the threshold value is 20%~36% (202) of the EMV electromagnetic value；
When the EMV electromagnetic value is equal to or more than the threshold value, then the telegram in reply state of the electrical equipment is sent to user terminal
Information；When the EMV electromagnetic value is less than the threshold value, then the power failure information of the electrical equipment is sent to user terminal
(203)。
The blackouts monitoring method of the present invention is described further with reference to embodiments：
Embodiment one
Blackouts monitoring device 1 is fixed on the oil-immersed type transformer about 0.6m's that power distribution room middle-range rated capacity is 1250kVA
On position, start the transformer, as user terminal 2 to blackouts monitoring device 1 send inquiry it is the currently monitored obtained by electric field value
Stipulations instruction, inquiry obtains the electric field value at a distance of about 0.6m with the transformer under operating status, and multiple measurement results are about
780V/m；Close the transformer, as user terminal 2 to blackouts monitoring device 1 send inquiry it is the currently monitored obtained by electric field value
Stipulations instruction, inquiry obtain with the transformer under closed state at a distance of about 0.6m electric field value, multiple measurement results are more
20% of electric field value under 156V/m, about operating status.Stop sending a telegram in reply to the transmission of blackouts monitoring device 1 from there through user terminal 2
Mode set command, setting stop 20% of the threshold value of telegram in reply state for monitoring gained electric field value under running state of transformer, i.e.,
156V/m.Keep blackouts monitoring device 1 constant with the position of the transformer, the original state of the transformer is power failure shape
State, when opening the transformer, user terminal 2 receives the status information of the electrical equipment telegram in reply of the transmission of blackouts monitoring device 1；
When closing the transformer, user terminal 2 receives the status information that the electrical equipment of the transmission of blackouts monitoring device 1 has a power failure.
Embodiment two
Blackouts monitoring device 1 is fixed on the oil-immersed type transformer about 2.3m's that power distribution room middle-range rated capacity is 1250kVA
On position, start the transformer, as user terminal 2 to blackouts monitoring device 1 send inquiry it is the currently monitored obtained by electric field value
Stipulations instruction, inquiry obtains the electric field value at a distance of about 2.3m with the transformer under operating status, and multiple measurement results are about
170V/m；Close the transformer, as user terminal 2 to blackouts monitoring device 1 send inquiry it is the currently monitored obtained by electric field value
Stipulations instruction, inquiry obtain with the transformer under closed state at a distance of about 2.3m electric field value, multiple measurement results are more
36% of electric field value under 61V/m, about operating status.Stop shape of sending a telegram in reply to the transmission of blackouts monitoring device 1 from there through user terminal 2
State setting instruction, setting stop 36% of the threshold value of telegram in reply state for monitoring gained electric field value under running state of transformer, i.e. 61V/
m.Keep blackouts monitoring device 1 constant with the position of the transformer, the original state of the transformer is power failure, when opening
When opening the transformer, user terminal 2 receives the status information of the electrical equipment telegram in reply of the transmission of blackouts monitoring device 1；Work as closing
During the transformer, user terminal 2 receives the status information that the electrical equipment of the transmission of blackouts monitoring device 1 has a power failure.
Embodiment three
By blackouts monitoring device 1 be fixed on power distribution room middle-range rated capacity be 1250kVA oil-immersed type transformer about 0.6~
In the range of 2.3m, specifically, value is 0.8m, 1.2m, 1.6m, one kind in 2.0m, 2.1m, and set and stop telegram in reply state
Threshold value range be about monitoring gained electric field value under running state of transformer 20%~36% (float up and down 0.5%), tool
Body, value 24%, 26%, one kind in 28%, 32%, 34%.Keep the position of blackouts monitoring device 1 and the transformer
Put constant, the original state of the transformer is power failure, and when opening the transformer, user terminal 2 receives power failure and supervises
Survey the status information of electrical equipment telegram in reply that device 1 is sent；When closing the transformer, user terminal 2 receives blackouts monitoring
The status information that the electrical equipment that device 1 is sent has a power failure.
Example IV
Blackouts monitoring device 1 is fixed on the oil-immersed type transformer about 0.6m's that power distribution room middle-range rated capacity is 1250kVA
On position, start the transformer, as user terminal 2 to blackouts monitoring device 1 send inquiry it is the currently monitored obtained by magnetic field value
Stipulations instruction, inquiry obtains the magnetic field value at a distance of about 0.6m with the transformer under operating status, and multiple measurement results are about
18.80μT；Close the transformer, as user terminal 2 to blackouts monitoring device 1 send inquiry it is the currently monitored obtained by magnetic field value
Stipulations instruction, inquiry obtain with the transformer under closed state at a distance of about 0.6m magnetic field value, multiple measurement results are more
3.86 μ T, about 20% of the magnetic field value under operating status.Stop sending a telegram in reply to the transmission of blackouts monitoring device 1 from there through user terminal 2
Mode set command, setting stop 20% of the threshold value of telegram in reply state for monitoring gained magnetic field value under running state of transformer, i.e.,
3.86μT.Keep blackouts monitoring device 1 constant with the position of the transformer, the original state of the transformer is power failure shape
State, when opening the transformer, user terminal 2 receives the status information of the electrical equipment telegram in reply of the transmission of blackouts monitoring device 1；
When closing the transformer, user terminal 2 receives the status information that the electrical equipment of the transmission of blackouts monitoring device 1 has a power failure.
Embodiment five
Blackouts monitoring device 1 is fixed on the oil-immersed type transformer about 2.3m's that power distribution room middle-range rated capacity is 1250kVA
On position, start the transformer, as user terminal 2 to blackouts monitoring device 1 send inquiry it is the currently monitored obtained by magnetic field value
Stipulations instruction, inquiry obtains the magnetic field value at a distance of about 2.3m with the transformer under operating status, and multiple measurement results are about
2.54μT；Close the transformer, as user terminal 2 to blackouts monitoring device 1 send inquiry it is the currently monitored obtained by magnetic field value
Stipulations instruction, inquiry obtain with the transformer under closed state at a distance of about 2.3m magnetic field value, multiple measurement results are more
0.91 μ T, about 36% of the magnetic field value under operating status.Stop sending a telegram in reply to the transmission of blackouts monitoring device 1 from there through user terminal 2
Mode set command, setting stop 36% of the threshold value of telegram in reply state for monitoring gained magnetic field value under running state of transformer, i.e.,
0.91μT.Keep blackouts monitoring device 1 constant with the position of the transformer, the original state of the transformer is power failure shape
State, when opening the transformer, user terminal 2 receives the status information of the electrical equipment telegram in reply of the transmission of blackouts monitoring device 1；
When closing the transformer, user terminal 2 receives the status information that the electrical equipment of the transmission of blackouts monitoring device 1 has a power failure.
Embodiment six
By blackouts monitoring device 1 be fixed on power distribution room middle-range rated capacity be 1250kVA oil-immersed type transformer about 0.6~
In the range of 2.3m, specifically, value is 0.8m, 1.2m, 1.6m, one kind in 2.0m, 2.1m, and set and stop telegram in reply state
Threshold value range be about monitoring gained magnetic field value under running state of transformer 20%~36% (float up and down 0.5%), tool
Body, value 24%, 26%, one kind in 28%, 32%, 34%.Keep the position of blackouts monitoring device 1 and the transformer
Put constant, the original state of the transformer is power failure, and when opening the transformer, user terminal 2 receives power failure and supervises
Survey the status information of electrical equipment telegram in reply that device 1 is sent；When closing the transformer, user terminal 2 receives blackouts monitoring
The status information that the electrical equipment that device 1 is sent has a power failure.
The complex works such as physical routing, wiring, electric adjustment are removed in the implementation of technical scheme of the present invention from, will not be to electrical
The operation of equipment generates any influence, does not need to arrange power off time, and it is convenient to implement, and debugging is simple, and maintenance cost is low, without
Cable is carried out with monitored electrical equipment to dock, and electricity can determine whether by the electric field or changes of magnetic field that monitor electrical equipment in real time
Gas equipment stops telegram in reply state, and the remote monitoring means and tool of electric equipment operation state are provided for electricity consumption company manager.
Claims (8)
- A kind of 1. blackouts monitoring method based on electromagnetic field inducing, which is characterized in that include the following steps：A. the EMV electromagnetic value around electrical equipment is measured, the EMV electromagnetic value includes at least magnetic field value, one kind in electric field value；B. setting stops the threshold value of telegram in reply state, and the value range of the threshold value is the 20%~36% of the EMV electromagnetic value；C. when the EMV electromagnetic value is equal to or more than the threshold value, then the telegram in reply state that the electrical equipment is sent to user terminal is believed Breath；When the EMV electromagnetic value is less than the threshold value, then the power failure information of the electrical equipment is sent to user terminal.
- 2. a kind of for implementing the system of the blackouts monitoring method described in claim 1 based on electromagnetic field inducing, feature exists In, the system comprises：Blackouts monitoring device and user terminal, the blackouts monitoring device are established the link with the user terminal by network；The blackouts monitoring device is used to measure the EMV electromagnetic value around the electrical equipment；When the EMV electromagnetic value is equal to or more than institute When stating threshold value, then the telegram in reply status information of the electrical equipment is sent to the user terminal；When the EMV electromagnetic value is less than the threshold During value, then the power failure information of the electrical equipment is sent to the user terminal；The user terminal instructs the threshold value for stopping telegram in reply state to blackouts monitoring device setting for a. according to stipulations；B. it receives The blackouts monitoring device stops status information of sending a telegram in reply.
- 3. a kind of system according to claim 2, which is characterized in that the blackouts monitoring device includes electromagnetic field inducing mould Block, operational amplifying module, processing module, wireless module；Collected electromagnetic signal for acquiring electromagnetic signal, is converted to electric signal by the electromagnetic field inducing module, and by institute Electric signal transmission is stated to the operational amplifying module, the electromagnetic signal includes at least magnetic field signal, one kind in electric field signal；Amplified signal for being filtered amplification to the electric signal, and is transferred to the processing by the operational amplifying module Module；For the amplified signal to be converted into EMV electromagnetic value, the EMV electromagnetic value and the threshold value of setting are carried out for the processing module Compare, when the EMV electromagnetic value is equal to or more than the threshold value, then send telegram in reply instruction to the wireless module；When the electromagnetism When value is less than the threshold value, then the instruction that has a power failure is sent to the wireless module；The wireless module, for receiving the instruction that the processing module is sent, and by described instruction send corresponding information to The user terminal.
- 4. a kind of system according to claim 2, which is characterized in that the blackouts monitoring device is further used for measuring institute The EMV electromagnetic value around electrical equipment is stated, and the EMV electromagnetic value is sent on the user terminal.
- 5. according to a kind of system described in claim 2 and 4, which is characterized in that the user terminal is further used for described in reception The EMV electromagnetic value around the electrical equipment that blackouts monitoring device measures, and set according to the EMV electromagnetic value by the instruction of threshold value stipulations Put the threshold value of the blackouts monitoring device.
- 6. a kind of system according to claim 2, which is characterized in that the blackouts monitoring device is further using 9V electricity Pond powers.
- 7. according to a kind of system described in claim 3 and 6, which is characterized in that the processing module is further used for monitoring institute The electricity of 9V batteries is stated, and the electricity that can send the blackouts monitoring device to the user terminal by the wireless module is believed Breath.
- 8. a kind of system according to claim 6, which is characterized in that the 9V batteries be 9V carbon batteries, 9V alkaline electros Pond, one kind in 9V Ni-MH batteries.
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| CN201711500142.4A CN108226616A (en) | 2017-12-31 | 2017-12-31 | A kind of wireless blackouts monitoring system and method based on electromagnetic field inducing |
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| CN201711500142.4A CN108226616A (en) | 2017-12-31 | 2017-12-31 | A kind of wireless blackouts monitoring system and method based on electromagnetic field inducing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505478A (en) * | 2020-11-17 | 2021-03-16 | 国网山东省电力公司青岛供电公司 | Non-contact type low-voltage transformer area power failure and recovery detection device and power failure and recovery detection method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2695983Y (en) * | 2004-05-13 | 2005-04-27 | 徐宏忠 | Power cut open-phase alarm |
| CN101903929A (en) * | 2007-12-20 | 2010-12-01 | Zf腓特烈港股份公司 | Method for diagnosing an electronic display device |
| CN205861819U (en) * | 2016-07-12 | 2017-01-04 | 高健 | Power-off of base station sensor |
-
2017
- 2017-12-31 CN CN201711500142.4A patent/CN108226616A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2695983Y (en) * | 2004-05-13 | 2005-04-27 | 徐宏忠 | Power cut open-phase alarm |
| CN101903929A (en) * | 2007-12-20 | 2010-12-01 | Zf腓特烈港股份公司 | Method for diagnosing an electronic display device |
| CN205861819U (en) * | 2016-07-12 | 2017-01-04 | 高健 | Power-off of base station sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505478A (en) * | 2020-11-17 | 2021-03-16 | 国网山东省电力公司青岛供电公司 | Non-contact type low-voltage transformer area power failure and recovery detection device and power failure and recovery detection method |
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