CN207851184U - A kind of circuit intelligent online monitoring device - Google Patents
A kind of circuit intelligent online monitoring device Download PDFInfo
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- CN207851184U CN207851184U CN201820303773.0U CN201820303773U CN207851184U CN 207851184 U CN207851184 U CN 207851184U CN 201820303773 U CN201820303773 U CN 201820303773U CN 207851184 U CN207851184 U CN 207851184U
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- circuit
- monitoring device
- online monitoring
- intelligent online
- control cabinet
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Abstract
The utility model provides a kind of circuit intelligent online monitoring device, including distribution box, wire clamp, control cabinet, remote terminal, wire clamp are clipped in acquisition signal at line joint, enter control cabinet by p-wire, contain repacking multimeter, controller, timer in control cabinet, signal generator, by wireless signal transmission, remote terminal is will send information to, each circuit operating condition is analyzed, investigation is abnormal, also it can analyze whole, the degree of unbalancedness of three-phase load is judged by neutral current value, improves operation of power networks stability.Detection time, real time information update can control to realize on-line monitoring, handle in time situations such as failure and unbalanced power by timer.The utility model ensures that circuit realizes on-line monitoring in the case where not having a power failure, and by Remote Data Analysis, failure is excluded in time, and can reflect the undesirable condition of some circuits in time, timely processing.
Description
Technical field
It is particularly suitable to the preventative inspection of power grid accident signal the utility model is related to a kind of circuit intelligent online monitoring device
It surveys, realizes reservation maintenance.
Background technology
With the intelligentized development of power grid, on-line monitoring has become the direction that power grid falls over each other development, due to maintenance repair
It is often carried out after line outage trips, such accident has occurred and that, and produces certain adverse consequences, and is engaged in
Therefore occur to notifying service personnel, personnel to get ready to set off again, this process spent time may cause larger economic loss, give
People's daily life also results in puzzlement.Therefore, it is necessary to develop a kind of device, estimate in advance be likely to occur on circuit it is hidden
Suffer from, accident is strangled among cradle, carries out online evaluation in real time, whole circuit is analyzed, load condition is carried out pre-
It surveys, it is intended to effectively improve the stability of operation of power networks.
Invention content
The utility model provides a kind of circuit intelligent online monitoring device of three-phase four-wire system.
A kind of circuit intelligent online monitoring device, including distribution box, control cabinet and remote terminal；
P-wire one end is connected through wire clamp with circuit, and the other end is connected with the voltage measuring apparatus；
Route survey device, controller, timer, wireless signal generator are equipped in control cabinet；
Controller is connect with route survey device, timer and wireless signal generator bus respectively；
Wireless signal generator and remote terminal communication connection.
Further, above-mentioned route survey device is repacking multimeter, and repacking multimeter is the parallel connection of multiple multimeters, wherein
Red test pencil corresponds to every firewire of test, and a public black meter pen corresponds to test zero curve.
Further, above-mentioned wireless signal generator uses GPRS wireless communication modules；Controller uses microcontroller.
Further, above-mentioned circuit is the total line of one or more three-phase four-wire systems, four lines of total line are A, B, C,
N, wherein A, B, C are firewire, and N is ground wire.
A kind of circuit intelligent online monitoring device of the utility model, has the following technical effects：
1. a kind of circuit intelligent online monitoring device realizes the on-line monitoring of circuit by devices such as timers, can
The data update time is set as required, grasps each item data of circuit operation in real time.
2. a kind of circuit intelligent online monitoring device, can remote observation, can be obtained without measuring at the scene
Line information is analyzed every phase line, is investigated to overall failure, while can carry out failure predication, timely processing,
Hidden danger is removed in advance, improves operation of power networks stability.
3. a kind of circuit intelligent online monitoring device ensures that circuit realizes on-line monitoring in the case where not having a power failure,
By Remote Data Analysis, failure is excluded in time, there is certain realistic meaning for the stable operation of power grid, can be pushed away
Extensively.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model circuit intelligent online monitoring device；
Fig. 2 is the control flow chart of the utility model circuit intelligent online monitoring device；
In figure：1- includes distribution box；2- circuits；3- wire clamps；4- p-wires；5- reequips multimeter；6- controllers；7- timings
Device；8- wireless signal generators；9- remote terminals；10- pillars；11- control cabinets.
Specific implementation mode
The utility model will be further described below with reference to the accompanying drawings：
A kind of circuit intelligent online monitoring device as shown in Figure 1 includes mainly distribution box 1, circuit 2, wire clamp 3, test
Line 4 reequips multimeter 5, controller 6, timer 7, wireless signal generator 8, remote terminal 9, pillar 10, control cabinet 11.Line
Folder 3 is clipped in 2 joint of circuit acquisition signal, enters control cabinet 11 by p-wire 4, the multimeter of repacking is contained in control cabinet 11
5, controller 6, timer 7, wireless signal generator 8.
General three-phase electricity obtains the low-voltage distributing line of three-phase four-wire system after transformer pressure-reducing, arbitrary when needing to test
When the current parameters of one circuit, the red-black test pencil of shelves is exchanged using multimeter to be tested.
Therefore, for ten channel multimeters of repacking, principle is equivalent to the parallel connection of polylith multimeter while acting on, public one
Black meter pen tests zero curve, shares 11 external connections, and then 10 red test pencils correspond to every firewire, and 1 corresponding zero curve is in this way
10 circuit real-time currents can be measured simultaneously, the real time data concurrent operation of 10 circuits is represented using 10 channels so that repacking
Multimeter（5）Volume is unlikely to excessive, is easily managed, while carrying out line information management using 10 as unit, to line supervision
Object is numbered, inquire and manage on it is all more convenient.
Fig. 1 show total line A, B, C, N of three-phase four-wire system, and wherein A, B, C is firewire, line centered on N, ground wire,
A, any one circuit of B, C can connect user's use, and one ground wire of a firewire constitutes customer power supply single loop.One repacking
Multimeter can detect ten users.If necessary to increase the user volume of monitoring, several repacking multimeters can be added.Reequip multimeter
5 have 10 channels, 11 external connections, can test respectively external under three-phase electricity and three-phase electricity from transformer 9 with
Family circuit, the neutral conductor occupy a channel, and totally ten channels can be with analysis load not by the electric current flowed through in the neutral conductor
The degree of balance.
By wireless signal generator 8, current information is sent to remote terminal 9, every phase line 2 can both be divided
Analysis investigates failure, also can carry out analysis power to whole three-phase（Because known to voltage）, by the current signal of the neutral conductor,
The problems such as capable of finding dissymmetrical load in time.In addition, passing through timer（7）Controllable monitoring time, is arranged the update cycle, such as
Setting one second, one minute etc., is updated by real time information, on-line monitoring is realized, in time to feelings such as failure and unbalanced powers
Condition is handled, and operation of power networks stability is improved.
Wherein, wireless signal generator 8 uses GPRS wireless communication modules, it is easy to accomplish.Controller 6 uses 51 monolithics
Machine, programming is simple, cheap, and is easily achieved.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the scope of protection of the utility model should be recorded with claim include the technical solution of claim record
The equivalents of middle technical characteristic are protection domain.Equivalent replacement i.e. within this range is improved, also in the utility model
Protection domain within.
Claims (4)
1. a kind of circuit intelligent online monitoring device, which is characterized in that including distribution box（1）, circuit（2）, control cabinet（11）With
Remote terminal（9）；
P-wire（4）One end is through wire clamp（3）With the circuit（2）It is connected, the other end is connected with voltage measuring apparatus；
The control cabinet（11）It is interior to be equipped with route survey device, controller（6）, timer（7）, wireless signal generator（8）；
The controller（6）Respectively with the route survey device, timer（7）And wireless signal generator（8）Bus connects；
The wireless signal generator（8）And remote terminal（9）Communication connection.
2. a kind of circuit intelligent online monitoring device according to claim 1, which is characterized in that the route survey device is
Reequip multimeter（5）, the repacking multimeter（5）Multiple multimeters are in parallel to be acted on simultaneously, and wherein red test pencil corresponds to every firewire,
A public black meter pen tests zero curve.
3. a kind of circuit intelligent online monitoring device according to claim 1 or claim 2, which is characterized in that the wireless signal hair
Raw device（8）Using GPRS wireless communication modules；
The controller（6）Using microcontroller.
4. a kind of circuit intelligent online monitoring device according to claim 1 or claim 2, which is characterized in that the circuit is one
Or the total line of multiple three-phase four-wire systems, the total line are A, B, C, N, wherein A, B, C is firewire, centered on N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820303773.0U CN207851184U (en) | 2018-03-06 | 2018-03-06 | A kind of circuit intelligent online monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820303773.0U CN207851184U (en) | 2018-03-06 | 2018-03-06 | A kind of circuit intelligent online monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207851184U true CN207851184U (en) | 2018-09-11 |
Family
ID=63410117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820303773.0U Active CN207851184U (en) | 2018-03-06 | 2018-03-06 | A kind of circuit intelligent online monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207851184U (en) |
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2018
- 2018-03-06 CN CN201820303773.0U patent/CN207851184U/en active Active
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