CN110133490A - A kind of breaker mechanic property measuring device with electricity - Google Patents
A kind of breaker mechanic property measuring device with electricity Download PDFInfo
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- CN110133490A CN110133490A CN201910404825.2A CN201910404825A CN110133490A CN 110133490 A CN110133490 A CN 110133490A CN 201910404825 A CN201910404825 A CN 201910404825A CN 110133490 A CN110133490 A CN 110133490A
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- breaker
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- 230000005611 electricity Effects 0.000 title claims abstract description 23
- 238000006073 displacement reaction Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000013500 data storage Methods 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 12
- 230000001133 acceleration Effects 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 210000000352 storage cell Anatomy 0.000 claims abstract description 7
- 238000003860 storage Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 230000010363 phase shift Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 238000007726 management method Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000011982 device technology Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention belongs to power grid detection device technology field more particularly to a kind of breaker mechanic property measuring device with electricitys.A kind of breaker mechanic property measuring device with electricity, including detection components, control assembly；The detection components include angular displacement sensor, shaft position sensor on the actuating mechanism main shaft of breaker, and the angular displacement sensor, shaft position sensor are for obtaining actuating mechanism main shaft in each axial angular speed and acceleration information and being passed to control module；It further include the current sensor for detecting current data on the divide-shut brake coil of breaker；The control assembly includes digital signal processing unit including data storage cell, acquisition control unit；Breaker mechanic property measuring device with electricity stable working state of the invention, data error is small, more accurate can timely obtain breaker condition data, provides basis for the Intellectualized monitoring and management work of power grid.
Description
Technical field
The invention belongs to power grid detection device technology fields more particularly to a kind of breaker mechanic property live detection to fill
It sets.
Background technique
Breaker is essential important electric elements in modern power network process of construction, in each main power transmission network and branch line
Between road and branched line, realize that the cutting connection of divide-shut brake or route is a kind of important safeguard protection using breaker
And transmission of electricity control means, it is however generally that, breaker has structure simple, is swift in motion, and easily controllable feature is most of disconnected
Road device uses mechanical control method, therefore highly-safe, long service life, and the validity of action process is higher, but then,
Due to the working characteristics of breaker, when general work operating voltage, electric current it is high, around electromagnetic environment be in variation always
In, it is difficult to effectively carry out as a result, the detection for breaker is caused the work such as to monitor, and as smart grid is changed online
The propulsion of management and monitoring process, the working of the breaker as one of power grid Important Components are in smart grid
One of important perpetual object, therefore how breaker implementation state is effectively obtained, to breaker front and back end
It is particularly significant and urgently to be resolved action during smart grid that the state of route, which understand,.
Summary of the invention
The object of the present invention is to provide it is a kind of can acquisition working state of circuit breaker more accurately and timely, by open circuit
Device working environment influences small breaker mechanic property measuring device with electricity.
To achieve the above object, the present invention adopts the following technical scheme that.
A kind of breaker mechanic property measuring device with electricity, including detection components, control assembly；Detection components include being set to
Angular displacement sensor, shaft position sensor on the actuating mechanism main shaft of breaker, angular displacement sensor, axial displacement sensing
Device is for obtaining actuating mechanism main shaft in each axial angular speed and acceleration information and being passed to control module；Further include
The current sensor of current data on divide-shut brake coil for detecting breaker；Control assembly includes Digital Signal Processing list
Member including data storage cell, acquisition control unit.
It further include that angular displacement sensor includes setting to aforementioned advanced optimizing for breaker mechanic property measuring device with electricity
In two relative bearings of main shaft and two sensor groups being oppositely arranged, when two relative bearings refer to main shaft along the x axis, phase
For positive and negative or Z axis the positive and negative orientation of the Y-axis of main shaft；It include two 90 degree of carrier phase shift of installations in sensor group
Angular displacement sensor.
It further include that data storage cell further includes to aforementioned advanced optimizing for breaker mechanic property measuring device with electricity
For storing the fast storage of sorts of systems parameter and control parameter, further include with complete detection acquired in detection module
The fixed memory of data storage.
It further include that fast storage refers to magnetism to aforementioned advanced optimizing for breaker mechanic property measuring device with electricity
Random access memory fixed memory refers to flash memory.
It further include further including for connecting each biography to aforementioned advanced optimizing for breaker mechanic property measuring device with electricity
The data circuit of sensor and digital signal processing unit, data circuit refer to actual cable data route or receive containing wireless
Send out the long distance wireless data circuit of device.
Further, breaker mechanic property measuring device with electricity further includes too Network Communication module.
The beneficial effect is that:
Breaker mechanic property measuring device with electricity stable working state of the invention, data error is small, can it is more accurate and
When acquisition breaker condition data, for power grid Intellectualized monitoring and management work provide the foundation.
Detailed description of the invention
The structural schematic diagram of breaker mechanic property measuring device with electricity in Fig. 1 embodiment；
Fig. 2 is the mounting means schematic diagram of sensor group in embodiment.
Specific embodiment
It elaborates below in conjunction with specific embodiment to the present invention.
A kind of breaker mechanic property measuring device with electricity of the invention, including detection components and be respectively set with breaker
In the control assembly of different zones；Detection components include angular displacement sensor, axis on the actuating mechanism main shaft of breaker
To displacement sensor, angular displacement sensor, shaft position sensor are for obtaining actuating mechanism main shaft in each axial angular speed
With acceleration information and be passed to control module；It further include for detecting current data on the divide-shut brake coil of breaker
Current sensor；
As shown in Fig. 2, to reduce the fine difference bring data error of sensor performance itself and installation site as far as possible,
Angular displacement sensor includes being set to two relative bearings of main shaft and symmetrically arranged two sensor groups, two phases in the present embodiment
When referring to main shaft along the x axis in orientation, positive and negative or Z axis the positive and negative orientation of the Y-axis relative to main shaft；It is wrapped in sensor group
Include the angular displacement sensor of two 90 degree of carrier phase shift of installations.
Including digital signal processing unit, microcontroller (such as STM32 series), analog-digital converter are specifically included, including
Data storage cell, acquisition control unit, digital signal processing unit obtain the detection data of each sensor, are passed according to angular displacement
The sensor data that change with time calculate each axial-rotation angular speed, are changed with time data meter according to shaft position sensor
Each axial acceleration is calculated, according to the error for the acceleration information amendment angular velocity of rotation data being calculated；
Coil current data acquired in acquisition control unit timed collection current sensor；Line is stored in data storage cell
The fault signature database and normal characteristics database of loop current；When current sensor detects current data, data storage
Unit starts periodic recording and storage coil current data and generates real-time characteristic database；
Particularly, data storage cell further includes the fast storage for storing sorts of systems parameter and control parameter, by
It is frequently read and write in fast storage needs, while needing to carry out the long-time storage of long-time data, therefore the present embodiment
It is middle that core memory is completed using magnetic RAM, to improve the stability of data and the instantaneity of reading；Also wrap
Include with complete detection module acquired in detection data storage fixed memory, since data volume is larger and does not need frequently to read
It takes, therefore core is completed using flash memory from the fixed memory in the purpose for reducing device manufacturing cost, the present embodiment and is deposited
Storage.
It particularly, further include data circuit for connecting each sensor and digital signal processing unit, data circuit is
Refer to actual cable data route or the long distance wireless data circuit containing wireless transceiver.
Further, to realize data transmission and the secrecy between control module and other each modules, communication is needed to configure
System, although most of digital signal processing units, such as the STM32 series in the present embodiment, it has been internally integrated ethernet communication
Module, but the Large Volume Data for needing to control transmission in use relative to the present apparatus and frequently control transmission instruction
For, overall performance is unable to satisfy actual demand, is based on this, independent communication component, communication component packet are provided in the present apparatus
Include ethernet communication module；
Breaker mechanic property measuring device with electricity is used for and executes following steps:
The step of data sampling, in particular to
1.1, analog-digital converter, communication unit and the data clock in each component, including timer are initialized；
1.2, coil current is acquired by the fixed frequency, is preferably, the frequency according to 5000Hz is acquisition coil real-time current surely
Data；
1.3, by the coil real-time current data in the fixed cycle real-time characteristic database is formed and by itself and normal characteristics data
Library and fault signature database are respectively compared；
1.4, according to the comparison result of property data base judge real-time coil current whether be more than breaker coil current limit value；
1.5, when real-time coil current is less than coil current limit value then return step 1.2；When coil current is more than coil current
Limitation, then persistently detection components judge whether the soft pressing plate of breaker puts into；
1.6, continue detection components and judge whether the soft pressing plate of breaker puts into, when soft pressing plate investment then periodically obtains actuating coil
The recording and storage of electric current and breaker main shaft action data；When soft pressing plate does not put into or disconnect then return step 1.2；
The step of data correction, in particular to:
Coil current and shaft motion data in receiving step 1.6, until each sensor is generated without new data again；Diagonal bits
Displacement sensor, shaft position sensor data carry out processing and obtain each axial angle velocity and acceleration data, and to data into
The processing of row mean filter；It takes axial (X-axis) acceleration of breaker main shaft to carry out Kalman filtering processing, is axially accelerated by main shaft
Degree calculates shaft rotational angle, carries out integral to another axial direction (Y or Z axis) angular speed and obtains integral angular displacement, is turned using shaft
Dynamic angle modification integral angular displacement obtains correction angle displacement data.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (6)
1. a kind of breaker mechanic property measuring device with electricity, which is characterized in that including detection components, control assembly；The inspection
Surveying component includes angular displacement sensor, shaft position sensor on the actuating mechanism main shaft of breaker, the angular displacement
Sensor, shaft position sensor are for obtaining actuating mechanism main shaft in each axial angular speed and acceleration information and being passed
It is handed to control module；It further include the current sensor for detecting current data on the divide-shut brake coil of breaker；The control
Component includes digital signal processing unit including data storage cell, acquisition control unit.
2. a kind of breaker mechanic property measuring device with electricity according to claim 1, which is characterized in that the angular displacement passes
Sensor includes the two sensor groups for being set to two relative bearings of main shaft and being oppositely arranged, and described two relative bearings refer to main shaft
When along the x axis, positive and negative or Z axis the positive and negative orientation of the Y-axis relative to main shaft；It include two installations in the sensor group
The angular displacement sensor that 90 degree of carrier phase shift.
3. a kind of breaker mechanic property measuring device with electricity according to claim 1, which is characterized in that the data storage
Unit further includes the fast storage for storing sorts of systems parameter and control parameter, further include with complete detection module
The fixed memory of acquired detection data storage.
4. a kind of breaker mechanic property measuring device with electricity according to claim 1, which is characterized in that the quick storage
Device refers to that fixed memory described in magnetic RAM refers to flash memory.
5. a kind of breaker mechanic property measuring device with electricity according to claim 1, which is characterized in that further include for connecting
Connect the data circuit of each sensor and digital signal processing unit, the data circuit refer to actual cable data route or
Long distance wireless data circuit containing wireless transceiver.
6. a kind of breaker mechanic property measuring device with electricity according to claim 1, which is characterized in that further include too Netcom
Believe module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910404825.2A CN110133490A (en) | 2019-05-16 | 2019-05-16 | A kind of breaker mechanic property measuring device with electricity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910404825.2A CN110133490A (en) | 2019-05-16 | 2019-05-16 | A kind of breaker mechanic property measuring device with electricity |
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| CN110133490A true CN110133490A (en) | 2019-08-16 |
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| CN201910404825.2A Pending CN110133490A (en) | 2019-05-16 | 2019-05-16 | A kind of breaker mechanic property measuring device with electricity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062948A (en) * | 2021-03-10 | 2021-07-02 | 国网湖北省电力有限公司恩施供电公司 | Long-term online speed measurement matching device for vacuum circuit breaker main shaft |
Citations (6)
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|---|---|---|---|---|
| CN201335878Y (en) * | 2008-12-23 | 2009-10-28 | 上海德力西集团有限公司 | Testing device for mechanical characteristics of vacuum circuit breaker based on DSP in medium voltage power network |
| CN203132833U (en) * | 2013-03-19 | 2013-08-14 | 西安森源配电自动化设备有限公司 | Breaker mechanical property on-line monitor |
| CN203518937U (en) * | 2013-11-12 | 2014-04-02 | 国网安徽省电力公司淮南供电公司 | High-voltage breaker mechanical characteristic tester |
| CN105823983A (en) * | 2016-05-06 | 2016-08-03 | 国家电网公司 | Mechanical characteristic state on-line monitoring system for high voltage breaker |
| CN107421731A (en) * | 2017-09-04 | 2017-12-01 | 厦门斯玛特思智能电气股份有限公司 | Breaker mechanic property sensor based on six-axle acceleration and gyroscope |
| CN210347856U (en) * | 2019-05-16 | 2020-04-17 | 国家电网有限公司 | Electrified detection device of circuit breaker mechanical characteristic |
-
2019
- 2019-05-16 CN CN201910404825.2A patent/CN110133490A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201335878Y (en) * | 2008-12-23 | 2009-10-28 | 上海德力西集团有限公司 | Testing device for mechanical characteristics of vacuum circuit breaker based on DSP in medium voltage power network |
| CN203132833U (en) * | 2013-03-19 | 2013-08-14 | 西安森源配电自动化设备有限公司 | Breaker mechanical property on-line monitor |
| CN203518937U (en) * | 2013-11-12 | 2014-04-02 | 国网安徽省电力公司淮南供电公司 | High-voltage breaker mechanical characteristic tester |
| CN105823983A (en) * | 2016-05-06 | 2016-08-03 | 国家电网公司 | Mechanical characteristic state on-line monitoring system for high voltage breaker |
| CN107421731A (en) * | 2017-09-04 | 2017-12-01 | 厦门斯玛特思智能电气股份有限公司 | Breaker mechanic property sensor based on six-axle acceleration and gyroscope |
| CN210347856U (en) * | 2019-05-16 | 2020-04-17 | 国家电网有限公司 | Electrified detection device of circuit breaker mechanical characteristic |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062948A (en) * | 2021-03-10 | 2021-07-02 | 国网湖北省电力有限公司恩施供电公司 | Long-term online speed measurement matching device for vacuum circuit breaker main shaft |
| CN113062948B (en) * | 2021-03-10 | 2022-05-03 | 国网湖北省电力有限公司恩施供电公司 | Long-term online speed measurement matching device for vacuum circuit breaker main shaft |
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