CN109507536A - A kind of low-voltage platform area line loss electricity intelligent measure analytical equipment - Google Patents
A kind of low-voltage platform area line loss electricity intelligent measure analytical equipment Download PDFInfo
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- CN109507536A CN109507536A CN201811518691.9A CN201811518691A CN109507536A CN 109507536 A CN109507536 A CN 109507536A CN 201811518691 A CN201811518691 A CN 201811518691A CN 109507536 A CN109507536 A CN 109507536A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
-
- 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
Abstract
Present disclose provides a kind of low-voltage platform area line loss electricity intelligent measure analytical equipments, including multifunctional electric energy meter, time switch and connecting line, multifunctional electric energy meter has voltage acquisition port and current acquisition port, and it is connect with the time switch by connecting line, it include data processing unit inside multifunctional electric energy meter, operation processing unit, time control unit, communication unit and detection unit, it is connect with host computer, the voltage and current data of all multifunctional electric energy meter acquisitions in the setting platform area obtained according to host computer, the electricity consumption of each user in platform area belonging to being calculated, every cable confesses electricity consumed by electricity and cable itself, and the line loss per unit of every cable and electric energy meter inlet-outlet line is calculated with this, orient the position that loss is more than preset value.
Description
Technical field
This disclosure relates to a kind of low-voltage platform area line loss electricity intelligent measure analytical equipment.
Background technique
Only there is provided background technical informations relevant to the disclosure for the statement of this part, it is not necessary to so constitute first skill
Art.
Low-voltage platform area line loss per unit is an integrated technology economic indicator, its size can represent power supply enterprise to low
It presents a theatrical performance as the last item on a programme the management level in area, and closely bound up with its economic benefit.It is caused due to cable leakage, user privately stealing etc. low
The case where area's line loss per unit of presenting a theatrical performance as the last item on a programme increases is commonplace, this not only makes power supply enterprise be difficult to effectively manage low-voltage platform area, and
And also create huge economic loss.Under existence conditions, can not quickly find out causes line loss per unit in low-voltage platform raised
Reason, and it is accurately administered.
In the area Gao Suntai governance process, needs to confess electricity to power supply facilities at different levels in platform area and accurately be measured, with
This calculates the loss of electricity of every outlet cable and user's electric energy meter inlet-outlet line, and the position for finding out kwh loss exception is gone forward side by side
Row is administered.
Summary of the invention
The disclosure to solve the above-mentioned problems, proposes a kind of low-voltage platform area line loss electricity intelligent measure analytical equipment, this
The open measurement by confessing electricity to each cable of platform area step down side and cable distribution box is analyzed, and each item can be calculated
Loss of electricity on cable.By compare kwh loss size, can find out cause platform area line loss per unit high position where, be conducive into
Row is administered.
According to some embodiments, the disclosure is adopted the following technical scheme that
A kind of low-voltage platform area line loss electricity intelligent measure analytical equipment, including multifunctional electric energy meter, time switch and connection
Line, in which:
The multifunctional electric energy meter has voltage acquisition port and current acquisition port, and passes through company with the time switch
Wiring connection；
It include data processing unit, operation processing unit, time control unit, communication list inside the multifunctional electric energy meter
Member and detection unit, the data processing unit receive the voltage and current signals of acquisition, and after being translated into digital signal
It is transferred to operation processing unit and detection unit；
The detection unit be configured as judging the voltage of input, current data whether off-rating, if it exceeds then
It alarms；
The time control unit is configured as connecting with the operation processing unit, is controlled by time switch, with setting
The start and end time of calculating；
The operation processing unit is configured as connecting by communication unit with host computer, the setting obtained according to host computer
The voltage and current data of all multifunctional electric energy meter acquisitions, are calculated the electricity consumption of each user in affiliated platform area in platform area
Amount, every cable confess electricity consumed by electricity and cable itself, and with this calculate every cable and electric energy meter into
The line loss per unit of outlet orients the position that loss is more than preset value.
It is limited as further, the voltage acquisition port includes that at least three voltage link ports and a ground wire connect
Line end mouth.
It is limited as further, the current acquisition port includes at least three hook type current transformers and electric current wiring
Port.
It being limited as further, the voltage acquisition port is connect by voltage input unit with data processing unit,
The voltage input unit includes voltage transformer, voltage sample resistance, level-one filter and diode, wherein voltage transformer
Input terminal step down side and voltage sample resistance are connected, level-one filter is adopted with after Diode series with voltage
Sample resistor coupled in parallel.
It being limited as further, the current acquisition port is connect by electric current input unit with data processing unit,
The electric current input unit include current transformer, current sampling resistor, current-limiting resistance and denoising capacitor, current transformer it is defeated
Enter end to connect step down side and current sampling resistor, after current-limiting resistance is in parallel with denoising capacitor and current sampling is electric
Resistance series connection.
It is limited as further, the detection unit is connected with control output unit, the control output unit connection
Have an alarm unit, the control output unit is configured as output electric current and voltage data, and when detection unit detect voltage,
Control instruction is exported when the parameters off-rating such as electric current, the alarm unit is configured as being reported after receiving control instruction
It is alert, it plays a warning role；It is provided with GPS chip in the alarm unit, is provided with the infrared hair of LED in the control output unit
Emitter, be configured as to electric energy meter carry out meter reading parameter issues, peak interval of time issues, clock proofread and modifies, to terminal progress
Parameter modification and scene are restarted.
It is limited as further, is provided with voltage signal acquisition circuit in the operation processing unit, current signal is adopted
Collector and electric energy computation chip, the voltage signal acquisition circuit, current signal Acquisition Circuit will control output unit output
Voltage, current information be transferred to electric energy computation chip, the time for the beginning and end that read access time control unit is set, benefit
It is calculated with electric energy computation chip.
It is limited as further, the communication unit includes 4G/GPRS communication unit and wireless transmission unit, described
After 4G/GPRS communication unit, wireless transmission unit and master station transmission data, it is collected to read all concentrators in this area
The calculated result of the operation processing unit is real-time transmitted to main website by electric energy meter code data, wireless transmission unit.
It is limited as further, the multifunctional electric energy meter further includes camera module, is configured to live feelings
Condition carries out photos and videos shooting and is uploaded to mobile job-oriented terminal and power information acquisition system.
It is limited as further, the multifunctional electric energy meter further includes recoding unit, and the recoding unit has key
Control model, parallel port control mode and two wires serial ports control model, realize the standardization recording playback of sound.
It is limited as further, is additionally provided with display unit on the multifunctional electric energy meter.
It is limited as further, the data processing unit, display unit, operation processing unit and time control unit
On be provided with protective case.
Compared with prior art, the disclosure has the beneficial effect that
The disclosure is analyzed by confessing the measurement of electricity to each cable of platform area step down side and cable distribution box, can
Calculate the loss of electricity on each cable.By comparing kwh loss size, the position for causing platform area line loss per unit high can be found out
Place leads to the raised reason of line loss per unit in low-voltage platform conducive to quickly finding out, and is accurately administered to it.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the outside drawing of the disclosure；
Fig. 2 is the internal structure chart of the multifunction electric meter of the disclosure.
Specific embodiment:
The disclosure is described further with embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In the disclosure, term for example "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", " side ",
The orientation or positional relationship of the instructions such as "bottom" is to be based on the orientation or positional relationship shown in the drawings, only to facilitate describing this public affairs
The relative for opening each component or component structure relationship and determination, not refers in particular to either component or element in the disclosure, cannot understand
For the limitation to the disclosure.
In the disclosure, term such as " affixed ", " connected ", " connection " be shall be understood in a broad sense, and indicate may be a fixed connection,
It is also possible to be integrally connected or is detachably connected；It can be directly connected, it can also be indirectly connected through an intermediary.For
The related scientific research of this field or technical staff can determine the concrete meaning of above-mentioned term in the disclosure as the case may be,
It should not be understood as the limitation to the disclosure.
As shown in Figure 1, low-voltage platform area line loss electricity intelligent measure analytical equipment includes 3 voltage links, 1 ground wire, 3
300/5 hook type current transformer and electric current wiring, 1 three-phase multifunctional electrical energy meter and 1 time switch.
It include voltage input unit, electric current input unit, operation processing unit, data processing in three-phase multifunctional electrical energy meter
Unit, detection unit, alarm unit, display unit, control output unit, time control unit.To improve energy metering accuracy,
The voltage input unit includes voltage transformer, voltage sample resistance RSampling, level-one filter, diode D, wherein voltage is mutual
The input terminal of sensor connects step down side and voltage sample resistance, after level-one filter and Diode series and electric
Press sampling resistor in parallel, to remove high-frequency interferencing signal.Electric current input unit includes current transformer, current sampling resistor
RSampling, current-limiting resistance RCurrent limlitingWith denoising capacitor C, step down side is connect by the input terminal of current transformer with current sampling resistor
Get up, connect after current-limiting resistance is in parallel with denoising capacitor with current sampling resistor, to guarantee that current input signal is stablized, improves
Measuring accuracy.
Voltage input unit, electric current input unit, detection unit are connected with data processing unit, the data processing unit
Metering chip, the voltage inputted to voltage input unit, electric current input unit, electric current letter are exchanged equipped with RN7302 dedicated three-phase
Number it is converted into number.
Detection unit, alarm unit with control output unit be connected, in alarm unit be equipped with alarm, malfunction indicator lamp and
Corresponding buzzer, and its indicator light is LED light, flashes feux rouges, when detection unit detects voltage input unit, electric current input
When the parameters off-rating such as voltage, electric current that unit is inputted, control output unit will control the indicator light in alarm unit
With buzzer fault alarm, play a warning role.GPS chip BCM47755 is also equipped in alarm unit, it can be by low-voltage platform area line
The location information of damage electricity intelligent measure analytical equipment pushes to power information acquisition system and marketing by wireless transmission unit
Mobile operation application, if low-voltage platform area line loss electricity intelligent measure analytical equipment is tampered, alarm unit will send alarm immediately
On the mobile operation application APP of marketing with real-time position information to mobile job-oriented terminal.It is red that LED is also equipped in control output unit
External transmitter, can to electric energy meter carry out meter reading parameter issues, peak interval of time issues, clock is proofreaded and modifies, terminal is joined
The operations such as number is modified, scene is restarted.
Data processing unit, display unit, time control unit are connected with operation processing unit, in operation processing unit
Equipped with voltage signal acquisition circuit, current signal Acquisition Circuit, electric energy computation chip CS5460,4G/GPRS communication unit, wireless
Transmission unit, wireless network receiving unit.Voltage, current signal Acquisition Circuit will control voltage, the electric current of output unit output
Information is transferred to electric energy computation chip CS5460.Pass through 4G/GPRS communication unit, wireless transmission unit and master station transmission data
Afterwards, all collected electric energy meter code data of concentrator in this area are read.Beginning is set by time control unit
With the time of end, calculated using the electrical energy measurement CS5460 chip in operation processing unit, in available this area
The electricity consumption of each user, every cable confess electricity consumed by electricity and cable itself, and calculate every with this
The line loss per unit of cable and electric energy meter inlet-outlet line is accurately positioned out and excessively high position is lost, and is shown by the display screen of display unit
Out.
Calculated result can be real-time transmitted to main website by wireless transmission unit, and be pushed to power information acquisition system by main website
On the mobile operation application APP of marketing on system and mobile job-oriented terminal.NFC chip is also equipped in wireless transmission unit, wherein wrapping
Include CLF (non-to connect front end unit), radio-frequency antenna, SE (safety zone Secure Element) three parts.It, can by NFC chip
Directly read the calculated result of operation processing unit at the scene using mobile job-oriented terminal.
Power information acquisition system and mobile operation application of marketing can be remotely to low-voltage platform area line loss electricity intelligent measures point
Desorption device assigns operational order, after instruction is received by wireless network receiving unit, can control low-voltage platform area line loss electricity intelligence
It is capable of measuring analytical equipment execution and starts/terminate the instruction such as metering and cable connection/disconnection, restarting equipment.
Bluetooth unit is housed, including DSP, BRF6100, sound in the line loss electricity intelligent measure analytical equipment of low-voltage platform area
Frequency AD/DA and Flash, directly carry out data transmission after can connecting with mobile job-oriented terminal.
It can be right using OV8865 chip equipped with camera module in the line loss electricity intelligent measure analytical equipment of low-voltage platform area
Field condition carries out photos and videos shooting and is uploaded to mobile job-oriented terminal and power information acquisition system.
NR7100S recoding unit is housed in the line loss electricity intelligent measure analytical equipment of low-voltage platform area, is recorded using NR7100
The plug-in SPI memory of chip has key control model, parallel port control mode and two wires serial ports control model, it can be achieved that sound
Standardization recording playback.
Photodiode detector, amplifier, wave shaping are housed in the line loss electricity intelligent measure analytical equipment of low-voltage platform area
Device, 32 high speed decoders can quick and precisely identify the progress on electric energy meter, acquisition terminal and batch meter, and pass through marketing
Business application system and power information acquisition system, which search measuring asset archives and carry out the real-time of data, calls survey together.
Data processing unit, operation processing unit, display unit, time control unit are wrapped up using reinforced plastics, are being protected
It can effectively prevent being destroyed by external force under the premise of card insulation.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to the disclosure, model not is protected to the disclosure
The limitation enclosed, those skilled in the art should understand that, on the basis of the technical solution of the disclosure, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within the protection scope of the disclosure.
Claims (10)
1. a kind of low-voltage platform area line loss electricity intelligent measure analytical equipment, it is characterized in that: including multifunctional electric energy meter, time switch
And connecting line, in which:
The multifunctional electric energy meter has voltage acquisition port and current acquisition port, and passes through connecting line with the time switch
Connection；
Include inside the multifunctional electric energy meter data processing unit, operation processing unit, time control unit, communication unit and
Detection unit, the data processing unit receive the voltage and current signals of acquisition, and transmit after being translated into digital signal
To operation processing unit and detection unit；
The detection unit be configured as judging the voltage of input, current data whether off-rating, if it exceeds then carrying out
Alarm；
The time control unit is configured as connecting with the operation processing unit, is controlled by time switch, is calculated with being arranged
Start and end time；
The operation processing unit is configured as connecting by communication unit with host computer, the setting platform area obtained according to host computer
The voltage and current data of interior all multifunctional electric energy meters acquisition, be calculated belonging to the electricity consumption of each user in platform area, every
Bar cable confesses electricity consumed by electricity and cable itself, and calculates every cable and electric energy meter inlet-outlet line with this
Line loss per unit orients the position that loss is more than preset value.
2. a kind of low-voltage platform area line loss electricity intelligent measure analytical equipment as described in claim 1, it is characterized in that: the voltage
Acquiring port includes at least three voltage link ports and a ground wire Wiring port；
The current acquisition port includes at least three hook type current transformers and current terminal mouth.
3. a kind of low-voltage platform area line loss electricity intelligent measure analytical equipment as described in claim 1, it is characterized in that: the voltage
Acquisition port is connect by voltage input unit with data processing unit, and the voltage input unit includes voltage transformer, electricity
Sampling resistor, level-one filter and diode are pressed, wherein the input terminal of voltage transformer is by step down side and voltage sample
Resistance connects, after level-one filter and Diode series and voltage sample resistor coupled in parallel.
4. a kind of low-voltage platform area line loss electricity intelligent measure analytical equipment as described in claim 1, it is characterized in that: the electric current
Acquisition port is connect by electric current input unit with data processing unit, and the electric current input unit includes current transformer, electricity
Flow sample resistance, current-limiting resistance and denoising capacitor, the input terminal of current transformer is by step down side and current sampling resistor
It connects, connects after current-limiting resistance is in parallel with denoising capacitor with current sampling resistor.
5. a kind of low-voltage platform area line loss electricity intelligent measure analytical equipment as described in claim 1, it is characterized in that: the detection
Unit is connected with control output unit, and the control output unit is connected with alarm unit, and the control output unit is configured
To export electric current and voltage data, and output control refers to when detection unit detects the parameters off-rating such as voltage, electric current
It enables, the alarm unit is configured as alarming after receiving control instruction, plays a warning role；It is arranged in the alarm unit
There is GPS chip, be provided with LED infrared transmitter in the control output unit, is configured as carrying out meter reading parameter to electric energy meter
Issue, peak interval of time issues, clock is proofreaded and modifies, parameter modification and scene are carried out to terminal and restarted.
6. a kind of low-voltage platform area line loss electricity intelligent measure analytical equipment as described in claim 1, it is characterized in that: the operation
Voltage signal acquisition circuit, current signal Acquisition Circuit and electric energy computation chip, the voltage signal are provided in processing unit
Acquisition Circuit, current signal Acquisition Circuit will control the voltage of output unit output, current information is transferred to electric energy computation chip,
It the time for the beginning and end that read access time control unit is set, is calculated using electric energy computation chip.
7. a kind of low-voltage platform area line loss electricity intelligent measure analytical equipment as described in claim 1, it is characterized in that: the communication
Unit includes 4G/GPRS communication unit and wireless transmission unit, the 4G/GPRS communication unit, wireless transmission unit and main website
After transmitting data, all collected electric energy meter code data of concentrator in this area are read, wireless transmission unit will be described
The calculated result of operation processing unit is real-time transmitted to main website.
8. a kind of low-voltage platform area line loss electricity intelligent measure analytical equipment as described in claim 1, it is characterized in that: more function
Energy electric energy meter further includes camera module, is configured as carrying out photos and videos shooting to field condition and is uploaded to mobile operation
Terminal and power information acquisition system.
9. a kind of low-voltage platform area line loss electricity intelligent measure analytical equipment as described in claim 1, it is characterized in that: more function
Energy electric energy meter further includes recoding unit, and the recoding unit has key control model, parallel port control mode and two wires serial ports control
Molding formula realizes the standardization recording playback of sound.
10. a kind of low-voltage platform area line loss electricity intelligent measure analytical equipment as described in claim 1, it is characterized in that: described more
Display unit is additionally provided on function electric energy meter；
Further, protection is provided on the data processing unit, display unit, operation processing unit and time control unit
Set.
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| CN201811518691.9A CN109507536A (en) | 2018-12-12 | 2018-12-12 | A kind of low-voltage platform area line loss electricity intelligent measure analytical equipment |
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| CN201811518691.9A CN109507536A (en) | 2018-12-12 | 2018-12-12 | A kind of low-voltage platform area line loss electricity intelligent measure analytical equipment |
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Cited By (8)
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| CN111130109A (en) * | 2020-02-11 | 2020-05-08 | 国网江西省电力有限公司电力科学研究院 | Yyn0 low-voltage distribution network theoretical line loss calculation method and system |
| CN111181160A (en) * | 2020-02-11 | 2020-05-19 | 国网江西省电力有限公司电力科学研究院 | 10kV medium-voltage distribution network theoretical line loss calculation method and system |
| CN111239480A (en) * | 2020-02-11 | 2020-06-05 | 国网江西省电力有限公司电力科学研究院 | Dyn11 low-voltage distribution network theoretical line loss calculation method and system |
| CN111487461A (en) * | 2020-04-22 | 2020-08-04 | 国网河北省电力有限公司沧州供电分公司 | Line loss monitoring system |
| CN111693809A (en) * | 2020-06-11 | 2020-09-22 | 广东电网有限责任公司清远供电局 | Low-voltage line loss metering device |
| CN111721987A (en) * | 2020-06-01 | 2020-09-29 | 王沛 | Electric power thing networking batch meter equipment based on thing allies oneself with perception technique |
| CN112147406A (en) * | 2020-09-28 | 2020-12-29 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Online monitoring system for transformer area line loss |
| CN112308732A (en) * | 2020-10-21 | 2021-02-02 | 国网冀北电力有限公司计量中心 | Intelligent management platform for line loss of transformer area based on artificial intelligence and data interaction simulation technology |
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| CN112147406A (en) * | 2020-09-28 | 2020-12-29 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Online monitoring system for transformer area line loss |
| CN112308732A (en) * | 2020-10-21 | 2021-02-02 | 国网冀北电力有限公司计量中心 | Intelligent management platform for line loss of transformer area based on artificial intelligence and data interaction simulation technology |
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Application publication date: 20190322 |