CN205829136U - A kind of intelligent electric energy meter earth leakage protective device - Google Patents
A kind of intelligent electric energy meter earth leakage protective device Download PDFInfo
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- CN205829136U CN205829136U CN201620807171.XU CN201620807171U CN205829136U CN 205829136 U CN205829136 U CN 205829136U CN 201620807171 U CN201620807171 U CN 201620807171U CN 205829136 U CN205829136 U CN 205829136U
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- electric energy
- energy meter
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- 230000001681 protective effect Effects 0.000 title claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 31
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 230000005611 electricity Effects 0.000 abstract description 18
- 230000007935 neutral effect Effects 0.000 abstract description 6
- 230000018199 S phase Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of intelligent electric energy meter earth leakage protective device; including data monitoring module, communication module and control module; described data monitoring module is connected with zero line with the phase line of intelligent electric energy meter inlet wire side; described data monitoring module is connected with communication module, and described control module is connected with zero line with the phase line of intelligent electric energy meter outgoing line side.Described data monitoring module includes current acquisition circuit, zero-sequence current comparison loop and signal projector.Described communication module includes carrier communication module and alarm signal output module.Described control module includes signal receiver, trip(ping) circuit and on-load switch.This utility model detection user's phase line and neutral line current, be not the situation of 0 if there is phase line current and neutral line current sum, then send alarm signal, upload abnormal information, even cuts off the functions such as electricity consumption loop, ensures user's personal safety and the accuracy of metering.
Description
Technical field
This utility model belongs to the technical field of electric equipment protection, particularly relates to a kind of intelligent electric energy meter earth leakage protective
Device.
Background technology
In recent years, along with improving constantly of user's living standard, user power utilization capacity is increasing, and electrical equipment is increasingly
Many, because equipment leakage causes personal safety hidden danger point to get more and more；In Most current resident's electricity consumption loop, generally install
Earth leakage protective device, detection phase line and total zero-sequence current of zero line, when there is leakage point of electricity, can the electricity of rapid cut-off parts load
Road, ensures subscriber equipment and personal safety.
But, there is now some electrical power user (especially resident and low-power user) and connect by repacking privately
Line, fire zero line reversal connection, and overlap other user's zero lines or the mode such as earth lead privately, bypass electric power meter, carry out surreptitiously
Electricity, owing to resident's power consumption is little, number of users is big, and carrying out taking precautions against, difficulty in stealing work is the biggest.Existing electric leakage is protected
Protect device and be typically mounted at user's metering electric energy meter outlet, load point of incoming cables, when privately reequiping electric energy meter stealing if there is user,
There will be that electric energy meter line electric current is inconsistent and customer charge line electric current is identical situation, the most traditional electric leakage is protected
Protect device due to the restriction of installation site, effect anti-, that oppose electricity-stealing can not be played.
Utility model content
This utility model is in order to solve the problems referred to above, it is provided that a kind of intelligent electric energy meter earth leakage protective device, purpose is not only
Zero-sequence current is monitored, alarm signal can be sent simultaneously when protector action, and be sent to alarm signal use
Power utilization information collection system main website, prior purpose is to avoid the appearance of the situation such as electric leakage electric shock or stealing.
To achieve these goals, this utility model adopts the following technical scheme that
A kind of intelligent electric energy meter earth leakage protective device, including data monitoring module, communication module and control module, described data
Monitoring modular is connected with zero line with the phase line of intelligent electric energy meter inlet wire side, and described data monitoring module is connected with communication module, institute
State control module to be connected with zero line with the phase line of intelligent electric energy meter outgoing line side.
Described data monitoring module includes current acquisition circuit, zero-sequence current comparison loop and signal projector, described electricity
Stream acquisition circuit is connected with zero-sequence current comparison loop, and described zero-sequence current comparison loop is connected with signal projector.
Described communication module includes carrier communication module and alarm signal output module, described carrier communication module and intelligence
Electric energy meter or power carrier concentrator connect.
Described control module includes signal receiver, trip(ping) circuit and on-load switch, described signal receiver with trip back
Road connects, and described trip(ping) circuit is connected with on-load switch.
The beneficial effects of the utility model:
(1) this utility model can monitor the electric current on user's phase line and zero line in real time, and carries out its zero-sequence current
Monitoring, and the management respectively of each module can be realized, detachable maintaining is convenient；
(2) when this utility model detects that user's (mainly resident) house lead in phase line and neutral line current are unequal or
Zero-sequence current sum exceedes when adjusting value protection device action, it is possible to trigger alarm signal output, the output employing sound of signal, light
Etc. form, user and meter reading personnel user is reminded to there may be electric leakage or stealing electricity phenomenon；
(3) can be by power-line carrier channel or micropower wireless mode and electric energy meter or adopt when this utility model
Storage communicates, and alarm signal is uploaded, and is sent to power information acquisition system main website, informs user and main website user
Inside has and there is leaky；
(4) can install control list in electric energy meter outlet, customer charge inlet wire side according to actual needs when this utility model
Unit, controls on-load switch, cuts off user's measurement loop, it is to avoid the appearance of the situation such as electric leakage electric shock or stealing, according to set
Sensitivity, when zero line, phase line current are inconsistent, trip, guarantees personal safety and metering accuracy；
(5) data monitoring module is in electric energy meter inlet wire side, and control module, at customer charge inlet wire, electric energy meter outgoing line side, is kept away
Exempt from because load disconnects the appearance of situations such as causing user's electric energy meter power-off, carrier communication channel cut-off.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is concrete modular structure schematic diagram of the present utility model；
Wherein, 1-data monitoring module, 2-communication module, 3-control module, 4-intelligent electric energy meter, 5-user, 6-electric current
Sampling circuit, 7-zero-sequence current comparison loop, 8-signal projector, 9-carrier communication module, 10-alarm signal output module,
11-signal receiver, 12-trip(ping) circuit, 13-on-load switch, 14-phase line, 15-zero line.
Detailed description of the invention:
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
This utility model overall structure schematic diagram as shown in Figure 1, a kind of intelligent electric energy meter earth leakage protective device, including data
Monitoring modular 1, communication module 2 and control module 3, the phase line 14 of described data monitoring module 1 and intelligent electric energy meter 4 inlet wire side with
Zero line 15 connects, and described data monitoring module 1 is connected with communication module 2, described control module 3 and intelligent electric energy meter 4 outgoing line side
Phase line be connected with zero line, data monitoring module 1 major function be gather intelligent electric energy meter 4 inlet wire current signal, export phase
Zero-sequence current sum on line and zero line, and ensure certain sensitivity；The major function of communication module 2 is to pass through power line carrier
Passage realizes the communication with the equipment such as electric energy meter or harvester, by electric energy meter or harvester, alarm signal is uploaded to electricity
Power user power utilization information acquisition system main website；When electric leakage occurs in intelligent electric energy meter 4, communication module 2 sends the form such as sound, light and carries
Wake up user, and the function of control module 3 is as required, when the output of data monitoring module 1 exceedes setting valve, to controlling mould
Block 3 sends trip signal, and control module 3 trips, and cuts off electricity consumption loop, and control module 3 is arranged on electric energy meter outgoing line side, it is to avoid go out
Now cause electric power meter power-off because of tripping operation, cannot be carried out the situations such as communication.
Described intelligent electric energy meter 4 is the intelligent electric energy meter 4 being provided with power consumer electricity consumption information collecting device, power consumer
Power information collecting device includes that terminal, power carrier concentrator, power carrier harvester, power carrier concentrator carry with electric power
Ripple harvester, carrier wave digital electricity meter combine, and utilize communication to connect main website, and the power information constituting power consumer is adopted
Collecting system, main station system is in time by data backup, and combines electricity consumption historical data and automatically comprehensively analyze data, real-time
The statistic needed to various management.
Detailed functional module, as in figure 2 it is shown, this utility model one has 8 modules, is respectively as follows:
Described data monitoring module 1 includes current acquisition circuit 6, zero-sequence current comparison loop 7 and signal projector 8, institute
Stating current acquisition circuit 6 to be connected with zero-sequence current comparison loop 7, described zero-sequence current comparison loop 7 is with signal projector 8 even
Connect.Described current acquisition circuit 6 is linked in the middle of user's intelligent electric energy meter 4 inlet wire side line road, uses current transformer sampling to use
Family phase neutral line current.The data that described zero-sequence current comparison loop 7 collects according to described current acquisition circuit 6, to phase line and
The zero-sequence component of neutral line current contrasts, and leaves certain sensitivity, if the phasor of zero-sequence component and exceeded sensitive
Degree scope, then transmit a signal to communication module 2, and communication module 2 makes corresponding action according to signal.Described signal projector
8 carry out micropower biography by infrared or bluetooth with control module 3 according to the operation result of described zero-sequence current comparison loop 7
Defeated.
Described communication module 2 includes carrier communication module 9 and alarm signal output module 10, described carrier communication module 9
It is connected with the power carrier concentrator in intelligent electric energy meter or power consumer electricity consumption information collecting device.Described carrier communication module
The major function of 9 is the measurement result according to data monitoring module 1, with intelligent electric energy meter 4 or collection in the way of carrier communication
Middle device communicates, and the result of data monitoring is uploaded to power information acquisition system main website, informs that this user there may exist
Leak electricity or borrow the phenomenons such as zero stealing.The function of described alarm signal output module 10 is the measurement according to data monitoring module 1
As a result, i.e. the result of zero-sequence current comparison loop 7, when user's phase neutral line current gap is excessive, use sound or optical signal
The mode of output, reminds user and meter reading personnel user to there may be electric leakage or stealing electricity phenomenon.
Described control module 3 includes signal receiver 11, trip(ping) circuit 12 and on-load switch 13, described signal receiver 11
12 tunnels are connected with tripping back, and described trip(ping) circuit 12 is connected with on-load switch 13.The function of described signal receiver 11 is to accept
The signal that in data monitoring module 1, signal projector 8 sends, converts optical signals into the signal of telecommunication and is transferred to trip(ping) circuit 12.Institute
Stating trip(ping) circuit 12 to export according to the signal of signal receiver 11, control on-load switch 13, on-load switch 13 turns off customer charge
Loop, it is to avoid the person threat caused because of electric leakage or the metering harm caused because of stealing.
Above mentioned embodiment providing a kind of novel earth leakage protective device, this earth leakage protective device, according to user's needs, sets
Certain sensitivity, and increase control function, through substantial amounts of research and test, can be the most anti-to electric leakage or stealing electricity phenomenon
Reflect and communicate.The technique scheme using this utility model to provide, can monitor user power utilization safety, inside user in real time
When there is earth point, it is possible to send alarm signal in real time, electricity consumption loop can also be cut off time in need and ensure user people
Body safety；If when user's employing " by means of zero stealing " or privately ground connection stealing, being detected by zero-sequence current, also detecting user
Curent change, reports to the police and even trips, and effectively prevent the generation of stealing electricity phenomenon, ensures metering accuracy.
Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines, but not new to this practicality
The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not to pay various amendments or deformation that creative work can make still at protection model of the present utility model
Within enclosing.
Claims (4)
1. an intelligent electric energy meter earth leakage protective device, including data monitoring module, communication module and control module, is characterized in that:
Described data monitoring module is connected with zero line with the phase line of intelligent electric energy meter inlet wire side, described data monitoring module and communication module
Connecting, described control module is connected with zero line with the phase line of intelligent electric energy meter outgoing line side.
2. a kind of intelligent electric energy meter earth leakage protective device as claimed in claim 1, is characterized in that: described data monitoring module includes
Current acquisition circuit, zero-sequence current comparison loop and signal projector, described current acquisition circuit and zero-sequence current comparison loop
Connecting, described zero-sequence current comparison loop is connected with signal projector.
3. a kind of intelligent electric energy meter earth leakage protective device as claimed in claim 1, is characterized in that: described communication module includes carrier wave
Communication module and alarm signal output module, described carrier communication module is connected with intelligent electric energy meter or power carrier concentrator.
4. a kind of intelligent electric energy meter earth leakage protective device as claimed in claim 1, is characterized in that: described control module includes signal
Receptor, trip(ping) circuit and on-load switch, described signal receiver is connected with trip(ping) circuit, described trip(ping) circuit and on-load switch
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620807171.XU CN205829136U (en) | 2016-07-28 | 2016-07-28 | A kind of intelligent electric energy meter earth leakage protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620807171.XU CN205829136U (en) | 2016-07-28 | 2016-07-28 | A kind of intelligent electric energy meter earth leakage protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205829136U true CN205829136U (en) | 2016-12-21 |
Family
ID=57559684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620807171.XU Expired - Fee Related CN205829136U (en) | 2016-07-28 | 2016-07-28 | A kind of intelligent electric energy meter earth leakage protective device |
Country Status (1)
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|---|---|
| CN (1) | CN205829136U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490711A (en) * | 2017-09-05 | 2017-12-19 | 国网湖南省电力公司 | A kind of anti-electricity-theft device and its application method |
| CN114465195A (en) * | 2022-01-07 | 2022-05-10 | 国网河北省电力有限公司磁县供电分公司 | Leakage protection method, ammeter box and power grid system |
-
2016
- 2016-07-28 CN CN201620807171.XU patent/CN205829136U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490711A (en) * | 2017-09-05 | 2017-12-19 | 国网湖南省电力公司 | A kind of anti-electricity-theft device and its application method |
| CN114465195A (en) * | 2022-01-07 | 2022-05-10 | 国网河北省电力有限公司磁县供电分公司 | Leakage protection method, ammeter box and power grid system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20180728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |