CN207352150U - A kind of metering transformer secondary circuit condition detecting system for possessing load controlling function - Google Patents
A kind of metering transformer secondary circuit condition detecting system for possessing load controlling function Download PDFInfo
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- CN207352150U CN207352150U CN201720770962.4U CN201720770962U CN207352150U CN 207352150 U CN207352150 U CN 207352150U CN 201720770962 U CN201720770962 U CN 201720770962U CN 207352150 U CN207352150 U CN 207352150U
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- 238000012545 processing Methods 0.000 claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000002452 interceptive effect Effects 0.000 claims abstract description 4
- 238000005516 engineering process Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Abstract
The utility model discloses a kind of metering transformer secondary circuit condition detecting system for possessing load controlling function, system includes：Metering secondary state recognition unit is used to the state of metering transformer secondary circuit be identified；Load control unit is used for the control instruction according to processing unit CPU, controls the switch of load；Wireless communication unit is used to carry out data transmission between system and main website；Cutting load testing unit is used for the voltage signal and current signal of detection load；Display unit is used for the data or status information of display system operation；Input unit is used to provide system and user information interactive interface；Local extension mouth unit is used for the power consumption information for gathering load；Processing unit CPU is used to receive metering secondary state recognition unit, key input unit, cutting load testing unit, wireless communication unit, the data of local extended interface unit, instructed to load control unit output control, and be used to show to LCD display unit output data information.
Description
Technical field
Gauge check technical field is the utility model is related to, more particularly, to a kind of meter for possessing load controlling function
Measure transformer secondary circuit condition detecting system.
Background technology
Loop state logging is developed for 2014 by China Electric Power Research Institute, has stepped into promote rank at present
Section.Loop state logging is to combine the live actual demand of metering, the multicriterion recognition methods development based on impedance characteristic,
Normal connection, once open circuit, second short circuit, bypass, loop commutation and magnetic field exception etc. time of secondary circuit can be accurately identified
Road abnormality.Possess the secondary loop of mutual inductor status detection terminal of load controlling function and can fill up loop state and patrol
Examine the blank of instrument load controlling function.Loop state logging only possesses the function of metering secondary state-detection at present, right
Other electrical equipments do not possess any defencive function, encounter electrical fire and are difficult to effectively control, and product function is existing to single.Due to
Loop state logging does not possess load controlling function also at present, and other electricity can not be effectively protected when multiplexing electric abnormality occurs
The normal electricity consumption of device.
Therefore, it is necessary to a kind of technology, to establish the metering transformer secondary circuit state-detection for possessing load controlling function
System.
The content of the invention
The utility model provides a kind of metering transformer secondary circuit state-detection for possessing load controlling function, with solution
Certainly how the problem of being controlled to load is realized in metering transformer secondary circuit state-detection process.
To solve the above-mentioned problems, this application provides a kind of metering transformer secondary circuit for possessing load controlling function
Condition detecting system, the system comprises：Metering secondary state recognition unit, load control unit, wireless communication unit,
Cutting load testing unit, display unit, input unit are local to extend mouth unit, processing unit CPU；
The metering secondary state recognition unit is used to the state of metering transformer secondary circuit be identified；
The load control unit is used for the control instruction according to the processing unit CPU, controls the switch of load；
The wireless communication unit is used to carry out data transmission between the system and main website；
The cutting load testing unit is used for the voltage signal and current signal of detection load；
The display unit is used for the data or status information for showing the system operation；
The input unit is used to provide system and user information interactive interface；
The local extension mouth unit is used for the power consumption information for gathering load；
The processing unit CPU be used for receive the metering secondary state recognition unit, the key input unit,
The cutting load testing unit, the wireless communication unit, the data of the local extended interface unit, to the spatial load forecasting list
First output control instruction, and be used to show to the LCD display unit output data information.
Preferably, the metering secondary state recognition unit is used to identify：A, B, C three phase metering secondary circuit is being just
Normal connection, secondary circuit open circuit, second short circuit, once bypass, loop commutation and magnetic field are abnormal, and recognition result is sent
To the processing unit CPU.
Preferably, the cutting load testing unit is used for the ac analog collection for carrying out at least 2 tunnel power loads, for examining
Voltage signal, the current signal of the power load of the power load are surveyed, and the voltage signal, current signal are sent
To the processing unit CPU；The cutting load testing unit is used for the quantity of state collection for carrying out at least 1 tunnel power load, for examining
Temperature, the position of the switch state of the power load of the power load are surveyed, and the temperature, position of the switch state are sent
To the processing unit CPU.
Preferably, the input unit is used to input configuration parameter to the processing unit CPU, safeguards information, and defeated
Enter the parameter for inquiring about the system, event information, safeguard information.
Preferably, the load control unit is used for the control instruction sent according to the processing unit CPU, at least
1 tunnel is remotely controlled the output of contact, and the break-make of at least 1 road load is controlled.
Preferably, the wireless communication unit realizes the system and main website by general packet radio service technology GPRS
Between carry out data transmission.
Preferably, the display unit is used for the voltage signal, the electric current letter for showing the cutting load testing unit detection
Number, the temperature, position of the switch state.
The metering transformer secondary circuit condition detecting system that the system of the utility model possesses load controlling function be
Developed on the basis of loop state logging, be provided simultaneously with the function of loop state logging and spatial load forecasting, that is, possess back
The various functions of line state logging, and the power supply of abnormal position can be cut off in time when multiplexing electric abnormality occurs, so as to play
Protect the effect of other electrical appliance normal electricity consumptions.Installation the system just reaches while installs loop state logging and load control
The effect of terminal processed, has saved epitope in actual use, has reduced use cost, facilitates field conduct installation and safeguards.
Brief description of the drawings
By reference to the following drawings, the illustrative embodiments of the present invention can be more fully understood by：
Fig. 1 is a kind of metering transformer secondary circuit condition detecting system structure chart for possessing load controlling function.
Embodiment
The illustrative embodiments of the present invention are introduced referring now to attached drawing, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, there is provided these embodiments are to disclose at large and fully
The present invention, and fully pass on the scope of the present invention to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon is remembered.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand implication.Further it will be understood that the term limited with usually used dictionary, be appreciated that and its
The linguistic context of association area has consistent implication, and is not construed as Utopian or overly formal meaning.
Fig. 1 is a kind of metering transformer secondary circuit condition detecting system structure chart for possessing load controlling function.Such as Fig. 1
A kind of metering transformer secondary circuit condition detecting system for possessing load controlling function shown, that embodiment of the present invention provides
100, including：Metering secondary state recognition unit 101, load control unit 102, wireless communication unit 107, cutting load testing
Unit 103, display unit 104, input unit 105 are local to extend mouth unit 106, processing unit CPU108.
Wherein, metering secondary state recognition unit 101 is used to know the state of metering transformer secondary circuit
Not；
Load control unit 102 is used for the control instruction according to processing unit CPU, controls the switch of load；
Wireless communication unit 107 is used to carry out data transmission between system and main website；
Cutting load testing unit 103 is used for the voltage signal and current signal of detection load；
Display unit 104 is used for the data or status information of display system operation；
Input unit 105 is used to provide system and user information interactive interface；
Local extension mouth unit 106 is used for the power consumption information for gathering load；
Processing unit CPU108 is used to receive metering secondary state recognition unit 101, input unit 105, load inspection
Unit 103, wireless communication unit 107, the data of local extended interface unit 106 are surveyed, to 102 output control of load control unit
Instruction, and be used to show to 104 output data information of display unit.
Preferably, metering secondary state recognition unit 101 is used to identify：A, B, C three phase metering secondary circuit is being just
Normal connection, secondary circuit open circuit, second short circuit, once bypass, loop commutation and magnetic field are abnormal, and recognition result is sent to place
Manage unit CPU.
Preferably, cutting load testing unit 103 is used for the ac analog collection for carrying out at least 2 tunnel power loads, for examining
Voltage signal, the current signal of power load of power load are surveyed, and voltage signal, current signal are sent to processing unit
CPU108；Cutting load testing unit 103 is used for the quantity of state collection for carrying out at least 1 tunnel power load, for detecting power load
Temperature, the position of the switch state of power load, and temperature, position of the switch state are sent to processing unit CPU.
In embodiments of the present invention, cutting load testing unit 103 can carry out 10 road ac analog collections and 6 line states
Amount collection, voltage, the electric current of charge circuit, the temperature of load, the position of the switch shape of each power load circuit of on-line real-time measuremen
The electric signals such as state.Cutting load testing unit 103 can also carry out multichannel AC analog quantity and the collection of multichannel quantity of state.
Preferably, input unit 105 is used to input configuration parameter to processing unit CPU, safeguards information, and input inquiry
The parameter of system, event information, safeguard information.Embodiments of the present invention, input unit 105 can be keyboard or touch-screen
Deng, the parameter of configuration can be inputted by input unit 105, safeguard information etc., can inquire about the system parameter, event letter
Cease, safeguard information etc., wherein the parameter that can be set, safeguarding that information has:Clock call together survey, pair when order, terminal administrative area code,
Location, IP address.The parameter of the system that can be inquired about：Voltage, electric current, power, power factor etc..The system that can be inquired about
Event information：The status data of metering secondary is including metering secondary is normal, secondary circuit is opened a way, by secondary circuit
Road, once bypass, secondary circuit concatenation rectifier, magnetic field exception etc..The maintenance information of the system that can be inquired about：Inquire about general
It is grouped wireless service technology GPRS online Debugging message etc..
Preferably, load control unit 102 is used for the control instruction sent according to processing unit CPU108, at least 1
Road, the output of such as 4 tunnels remote control contact；And at least 1 tunnel, the break-make of such as 4 road loads are controlled.
Preferably, wireless communication unit 107 is realized between system and main website by general packet radio service technology GPRS
Carry out data transmission.
Preferably, display unit 104 is used to show the voltage signal of cutting load testing unit detection, current signal, temperature, opens
Off-position configuration state.Embodiments of the present invention, display unit 104 can be LCD display units, and LCD display unit can be real-time
Show the working status, communication shape of the voltage of each power load circuit, the electric current of charge circuit, the temperature of load and the system
State, event information etc..
Local extended interface unit 106 includes local extension I/O interface, 485 mouthfuls of meter reading.The system can be by 485 mouthfuls with using
Family electric energy meter communication, collects information about power.
Processing unit CPU108 be responsible for signal analysis, signal processing, execute instruction and with power information acquisition system main website
Docking, processing unit CPU108 performs the instruction that power information acquisition system main website is sent.Processing unit CPU108 is analyzed
Signal include：Ac analog signal (including:Voltage, electric current, power, power factor), quantity of state (including:The position of the switch
State), the quantity of state of metering secondary (including:Secondary circuit is normal, secondary circuit open circuit, secondary circuit bypass, once other
Road, secondary circuit concatenation rectifier, magnetic field are abnormal).
Presently filed embodiment possesses the metering transformer secondary circuit condition detecting system of load controlling function at the same time
Including data acquisition, gauge check and alarm, spatial load forecasting and metering secondary status detection function.Wherein, data acquisition
Realized by cutting load testing unit, it is main to gather 10 tunnel analog signals, 6 path switching signals.Alarm is informed of a case by control unit control is outer
Alert equipment is realized.Spatial load forecasting refers to the switch of control load electrical equipment power supply, and state-detection refers to the state of metering secondary.
Presently filed embodiment can accurately identify the state of metering transformer secondary circuit, while the application embodiment party
The system of formula can fast and accurately be cut off the power before circuit, electric appliance trigger fire because of current overload, temperature rise, make to draw
The fire of hair interrupts generation immediately.To reach above-mentioned function at present must install loop state logging and spatial load forecasting end at the same time
2 tables are held, the embodiment of the utility model is provided simultaneously with the function of loop state logging and load control terminal, and installation is originally
Terminal just reaches while installs the effect of loop state logging and load control terminal, and epitope has been saved in actual use,
Use cost is reduced, field conduct installation is facilitated and safeguards.
By reference to a small amount of embodiment, the invention has been described.However, it is known in those skilled in the art, as
What subsidiary Patent right requirement was limited, except the present invention other embodiments disclosed above equally fall the present invention's
In the range of.
Normally, all terms used in the claims are all solved according to them in the common meaning of technical field
Release, unless in addition clearly being defined wherein.All references " one/described/be somebody's turn to do [device, component etc.] " are all opened ground
At least one example being construed in described device, component etc., unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurately order, unless explicitly stated otherwise.
Claims (7)
1. a kind of metering transformer secondary circuit condition detecting system for possessing load controlling function, the system comprises：Metering
Secondary circuit state recognition unit, load control unit, wireless communication unit, cutting load testing unit, display unit, input are single
Member, it is local to extend mouth unit, processing unit CPU；
The metering secondary state recognition unit is used to the state of metering transformer secondary circuit be identified；
The load control unit is used for the control instruction according to the processing unit CPU, controls the switch of load；
The wireless communication unit is used to carry out data transmission between the system and main website；
The cutting load testing unit is used for the voltage signal and current signal of detection load；
The display unit is used for the data or status information for showing the system operation；
The input unit is used to provide system and user information interactive interface；
The local extension mouth unit is used for the power consumption information for gathering load；
The processing unit CPU is used to receive the metering secondary state recognition unit, key input unit, the load
Detection unit, the wireless communication unit, the data of the local extended interface unit, export to the load control unit and control
System instruction, and be used to show to LCD display unit output data information.
2. system according to claim 1, the metering secondary state recognition unit is used to identify：A, B, C three-phase
The normal connection of metering secondary, once secondary circuit open circuit, second short circuit, bypass, loop commutation and magnetic field exception,
And recognition result is sent to the processing unit CPU.
3. system according to claim 1, the cutting load testing unit is used for the exchange mould for carrying out at least 2 tunnel power loads
Analog quantity gathers, for detect the voltage signal of the power load, the power load current signal, and the voltage is believed
Number, current signal sent to the processing unit CPU；The cutting load testing unit is used for the shape for carrying out at least 1 tunnel power load
State amount gathers, for detecting temperature, the position of the switch state of the power load of the power load, and by the temperature,
Position of the switch state is sent to the processing unit CPU.
4. system according to claim 1, the input unit be used for the processing unit CPU input configuration parameter,
Safeguard information, and the parameter of system described in input inquiry, event information, safeguard information.
5. system according to claim 1, the load control unit is used for the control sent according to the processing unit CPU
System instruction, for the output of at least 1 tunnel remote control contact, and is controlled the break-make of at least 1 road load.
6. system according to claim 1, the wireless communication unit is real by general packet radio service technology GPRS
It is existing to carry out data transmission between the system and main website.
7. system according to claim 1, the display unit is used to show the described of the cutting load testing unit detection
Voltage signal, current signal, temperature, position of the switch state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770962.4U CN207352150U (en) | 2017-06-28 | 2017-06-28 | A kind of metering transformer secondary circuit condition detecting system for possessing load controlling function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770962.4U CN207352150U (en) | 2017-06-28 | 2017-06-28 | A kind of metering transformer secondary circuit condition detecting system for possessing load controlling function |
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| CN207352150U true CN207352150U (en) | 2018-05-11 |
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| CN201720770962.4U Active CN207352150U (en) | 2017-06-28 | 2017-06-28 | A kind of metering transformer secondary circuit condition detecting system for possessing load controlling function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142826A (en) * | 2018-09-05 | 2019-01-04 | 云南电网有限责任公司曲靖供电局 | Adaptive metering fault load records equipment, System and method for |
-
2017
- 2017-06-28 CN CN201720770962.4U patent/CN207352150U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142826A (en) * | 2018-09-05 | 2019-01-04 | 云南电网有限责任公司曲靖供电局 | Adaptive metering fault load records equipment, System and method for |
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