CN209296829U - A kind of power supply line's line loss detection circuit - Google Patents
A kind of power supply line's line loss detection circuit Download PDFInfo
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- CN209296829U CN209296829U CN201821760986.2U CN201821760986U CN209296829U CN 209296829 U CN209296829 U CN 209296829U CN 201821760986 U CN201821760986 U CN 201821760986U CN 209296829 U CN209296829 U CN 209296829U
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- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 230000009466 transformation Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
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Abstract
A kind of power supply line's line loss detection circuit of the utility model, the circuit includes metering units, the metering units are divided into route metering units according to installation site difference, power transformation metering units and load metering units, the route metering units are provided with one group, the route metering units are installed on the input terminal of high voltage supply route, multiple output ends of the high voltage supply route are input to the input terminal of the transformer in electric substation after power transformation metering units respectively, the output end of the transformer is respectively connected to load through a plurality of route of registering one's residence, and load metering units are serially connected with before route access load of registering one's residence.A kind of power supply line's line loss detection circuit of the utility model can be realized rapid line loss detection and positioning.
Description
Technical field
The utility model relates to a kind of detection circuits, more particularly, to one kind for examining extremely to power supply circuit line loss
The circuit surveyed and positioned, belongs to technical field of electric power.
Background technique
Currently, needing to carry out line loss monitoring to electric power cable during power Transmission, to quickly and easily understand line
Road situation；But conventional line loss detection carries out data communication using power communication mode, when line loss exception, often leads to lead to
News obstruction；And structure is complicated for conventional measurement circuit design, and it is inconvenient for use, and need outer with all kinds of detections of battery maintenance
The work of component increases maintenance cost for this reason, it may be necessary to which patrol officer's periodic replacement battery maintains.
Summary of the invention
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of easy to detect, efficient, quick and maintenance costs
Cheap power supply line's line loss detection circuit.
Purpose of the utility model is realized as follows:
A kind of power supply line's line loss detection circuit, the circuit include metering units, and the metering units are according to installation
Position difference is divided into route metering units, power transformation metering units and load metering units, the route metering units and is provided with one
Group, the route metering units are installed on the input terminal of high voltage supply route, multiple output ends point of the high voltage supply route
The input terminal of the transformer in electric substation is not input to after power transformation metering units, the output end of the transformer is registered one's residence through a plurality of
Route is respectively connected to load, and is serially connected with load metering units before route access load of registering one's residence；
The metering units include microprocessor, electric energy meter, wireless module, regulator rectifier circuit and mutual inductor,
On the line, the data output end of the electric energy meter is connected to microprocessor, micro- place to the electric energy meter concatenation
The I/O port and control port for managing device are connected to wireless module；The wireless module sends data to backstage by wireless network
Server；
Compared with prior art, the utility model has the beneficial effects that
The utility model circuit structure is simple, convenient to use, so as to fast and accurately alarm failure
And positioning；Meanwhile the utility model uses wireless communication mode, it is reliable and stable；In addition, obtaining induced current pair using mutual inductor
Circuit is powered, and is not necessarily to optional equipment battery, to reduce maintenance cost and human cost expenditure, is answered convenient for its popularization
With.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of power supply line's line loss detection circuit of the utility model.
Fig. 2 is a kind of structural schematic diagram of the metering units of power supply line's line loss detection circuit of the utility model.
Specific embodiment
Referring to Fig. 1 and Fig. 2, the utility model relates to a kind of power supply line's line loss detection circuit, the circuit includes
Metering units, the metering units are divided into route metering units, power transformation metering units and load according to installation site difference and measure
Unit, the route metering units are provided with one group, which is installed on the input terminal of high voltage supply route, described
Multiple output ends of high voltage supply route are input to the input terminal of the transformer in electric substation after power transformation metering units respectively,
The output end of the transformer is respectively connected to load through a plurality of route of registering one's residence, and is serially connected with load before route access load of registering one's residence
Metering units；
The metering units include microprocessor, electric energy meter, wireless module, regulator rectifier circuit and mutual inductor,
On the line, the data output end of the electric energy meter is connected to microprocessor, micro- place to the electric energy meter concatenation
The I/O port and control port for managing device are connected to wireless module；The wireless module sends data to backstage by wireless network
Server；
Further, the metering units also include the mutual inductor being set on route, and the mutual inductor is set in line
On the road, the output end of the mutual inductor is connected to regulator rectifier circuit, the output single connection of the regulator rectifier circuit to micro- place
Device and wireless module are managed, so that power supply in real time is realized, without included battery；
Concretely, the electric energy meter in the route metering units is serially connected on the input terminal of high voltage supply route,
Electric energy meter in the power transformation metering units is serially connected on the output end of high voltage supply route, in the load metering units
Electric energy meter be serially connected on the output end for route of registering one's residence (front end that route of registering one's residence enters load)；
Mutual inductor in the route metering units is set on high voltage supply route, mutual in the power transformation metering units
Sensor is set on high voltage supply route, and the mutual inductor in the load metering units is set in service wire road；
A kind of detecting step of power supply line's line loss detection circuit of the utility model are as follows:
Initialization: microprocessor is built-in with unique ID identifier, presets line loss normal interval range (such as 1 ‰ ~ 1%)；
The general power P0 of input end is transmitted to background server on the high voltage supply route that route metering units will acquire；
After the output power P into high voltage supply line output before electric substation that power transformation metering units will acquire is transmitted to
Platform server, Pi are the general power of the input terminal of a certain electric substation；Gross output P=P1+P2 is calculated in background server
+ ...+pi(i.e.: P=Σ pi), wherein i=1,2 ... n, n are the quantity of electric substation；
The input power Q for the service wire road entered before load that load metering units will acquire is transmitted to background service
Device, Qi are the loaded power summation connected in a certain electric substation, and Qj is the input power in a certain load, background service
The corresponding total power input Qi=Q1+Q2+ ...+Qj of each electric substation is calculated in device；Wherein j=1,2 ... m, m are for becoming
The quantity for the load that electricity is connected；
Wherein: the numerical value of i, j are corresponded with ID identifier；
Background server calculates line loss S=(P0-P)/P on high voltage supply route；
Line loss Si=(Pi-Qi)/Pi of background server calculating service wire road；
When S exceeds default line loss normal interval range, background server alarm indication high voltage supply line anomalies；Work as Si
When beyond default line loss normal interval range, background server alarm indication is registered one's residence line anomalies, and shows the numerical value of i, from
And prompt which item is registered one's residence line anomalies；It is quickly searched to realize；
In addition: it should be noted that above-mentioned specific embodiment is only a prioritization scheme of this patent, the skill of this field
Any change or improvement that art personnel are done according to above-mentioned design, within the protection domain of this patent..
Claims (3)
1. a kind of power supply line's line loss detection circuit, it is characterised in that: the circuit includes metering units, the metering units
It is divided into route metering units, power transformation metering units and load metering units, the route metering units according to installation site difference
Be provided with one group, which is installed on the input terminal of high voltage supply route, the high voltage supply route it is multiple defeated
Outlet is input to the input terminal of the transformer in electric substation after power transformation metering units respectively, and the output end of the transformer is through more
Item route of registering one's residence is respectively connected to load, and is serially connected with load metering units before route access load of registering one's residence；
The metering units include microprocessor, electric energy meter, wireless module, regulator rectifier circuit and mutual inductor, described
Electric energy meter concatenates on the line, and the data output end of the electric energy meter is connected to microprocessor, the microprocessor
I/O port and control port be connected to wireless module；The wireless module sends data to background service by wireless network
Device.
2. a kind of power supply line's line loss detection circuit as described in claim 1, it is characterised in that: the metering units also include
The mutual inductor being set on route, the mutual inductor are set on route, and the output end of the mutual inductor is connected to rectifying and voltage-stabilizing
Circuit, the output single connection of the regulator rectifier circuit to microprocessor and wireless module.
3. a kind of power supply line's line loss detection circuit as described in claim 1, it is characterised in that: in the route metering units
Electric energy meter is serially connected on the input terminal of high voltage supply route, and the electric energy meter in the power transformation metering units is serially connected in height
On the output end for pressing power supply line, the electric energy meter in the load metering units is serially connected on the output end for route of registering one's residence；
Mutual inductor in the route metering units is set on high voltage supply route, the mutual inductor in the power transformation metering units
It is set on high voltage supply route, the mutual inductor in the load metering units is set in service wire road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821760986.2U CN209296829U (en) | 2018-10-29 | 2018-10-29 | A kind of power supply line's line loss detection circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821760986.2U CN209296829U (en) | 2018-10-29 | 2018-10-29 | A kind of power supply line's line loss detection circuit |
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| CN209296829U true CN209296829U (en) | 2019-08-23 |
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| CN201821760986.2U Active CN209296829U (en) | 2018-10-29 | 2018-10-29 | A kind of power supply line's line loss detection circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060760A (en) * | 2019-12-13 | 2020-04-24 | 西安锐驰电器有限公司 | Line loss detection system and method |
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2018
- 2018-10-29 CN CN201821760986.2U patent/CN209296829U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060760A (en) * | 2019-12-13 | 2020-04-24 | 西安锐驰电器有限公司 | Line loss detection system and method |
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