CN106249140A - A kind of method and device for detecting breaker actuation time and speed of action - Google Patents
A kind of method and device for detecting breaker actuation time and speed of action Download PDFInfo
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- CN106249140A CN106249140A CN201610868400.3A CN201610868400A CN106249140A CN 106249140 A CN106249140 A CN 106249140A CN 201610868400 A CN201610868400 A CN 201610868400A CN 106249140 A CN106249140 A CN 106249140A
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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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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Abstract
The invention provides a kind of method and device for detecting breaker actuation time and speed of action, wherein, the method includes: in the case of chopper charging operation, obtains for the first moment, wherein, the first moment was the initial charged moment of target coil in chopper；Acquisition moving contact of breaker is in location parameter during target location；Determining for the second moment according to location parameter, wherein, the second moment was moving contact moment when being in target location；The first movement time of chopper is determined according to the first moment and the second moment；The embodiment of the present invention is by obtaining in chopper the initial charged moment of target coil as the first moment, and the moment when moving contact is in target location is as the second moment, the first movement time of chopper is finally determined according to the first moment and the second moment, can more science, accurately detection chopper movement time when divide-shut brake and speed of action, simple to operate, meanwhile, improve accuracy of detection and detection efficiency.
Description
Technical field
The present invention relates to performance detection technique field, in particular to one be used for detecting the breaker actuation time and
The method and device of speed of action.
Background technology
Branch wire time and divide-shut brake speed are the extremely important parameters of chopper, to relay protection and automaton can
It is very important for stability by action and whole power system.Chopper divides, the measurement of closing time actually
Refer to the measurement of intrinsic opening time and intrinsic closing time.Because chopper divides, closing time also includes time of arcing,
And cannot measure during this period of time.The intrinsic opening time of chopper refers to that the sub-gate circuit of chopper obtains separating brake order and opens
Begin to arcing contact just separate time a period of time.The intrinsic closing time of chopper refers to that the closing circuit of chopper obtains
To close a floodgate order start to arcing contact just contact time a period of time.
Chopper divides, closing speed is usually and is defined by manufacturer, the overwhelming majority all with the fracture of chopper
Position is relevant, generally take that section of the most linear speed of speed near fracture as point, closing speed be estimated,
At present, also there is no a kind of effective ways being capable of on-line checking divide-shut brake speed.
When electric power transformer and distribution station is tested, chopper divides, the method for closing time includes in measurement: entered by the three-phase of chopper
Lift one's head and seal in electrical secondmeter loop after being sequentially connected with respectively, then control the state of each switch in loop and pass through record on electrical secondmeter
Time obtain chopper point, closing time.
But, utilize electrical secondmeter measure chopper divide, in the method for closing time, during owing to measuring opening time and closing a floodgate
Between wiring different, same group of chopper measurement is needed to carry out twice wiring, wiring complexity, troublesome poeration, test period is long；
Further, during using electrical secondmeter to measure, error is relatively big, and degree of accuracy is the highest.
Summary of the invention
In view of this, the purpose of the embodiment of the present invention is to provide a kind of for detecting breaker actuation time and action speed
The method and device of degree, to alleviate the problem that during use electrical secondmeter is measured, wiring is complicated, improves the precision of detection.
First aspect, embodiments provides a kind of method for detecting the breaker actuation time, described method
Including:
In the case of chopper charging operation, obtaining for the first moment, wherein, described first moment is in described chopper
The initial charged moment of target coil；
Obtain location parameter when described moving contact of breaker is in target location, wherein, described target location include with
Lower any one: just point position, just close position；
Determining for the second moment according to described location parameter, wherein, described second moment is that described moving contact is in described mesh
Moment during cursor position；
The first movement time of described chopper is determined according to described first moment and described second moment, wherein, described
Include for the first movement time following any one: the first opening time, the first closing time.
In conjunction with first aspect, embodiments provide the first possible embodiment of first aspect, wherein, institute
State the location parameter obtained when described moving contact of breaker is in target location, including:
Obtain the closing position of described chopper；
Obtain the overtravel of the moving contact of the described chopper measured in advance；
Calculate described closing position and the difference of described overtravel, and using described difference as position during described target location
Put parameter.
In conjunction with the first possible embodiment of first aspect, embodiments provide the second of first aspect
Possible embodiment, wherein, described determined for the second moment according to described location parameter, including:
Obtaining the first curve, wherein, described first curve is the stroke representing described moving contact and the relation between the time
Curve；
The time that described location parameter is corresponding is determined in described first curve, and using the time of described correspondence as described
Second moment.
In conjunction with the embodiment that the second of first aspect is possible, embodiments provide the third of first aspect
Possible embodiment, wherein, described second moment includes that firm timesharing is carved and the firm conjunction, and described first moment includes the first son
Moment and second period of the day from 11 p.m. to 1 a.m are carved, and determine the first movement time of described chopper according to described first moment and described second moment,
Including:
By formula TPoint=T2-T1Calculate described first opening time, wherein, T1Carve for described first period of the day from 11 p.m. to 1 a.m, T2For described
Just timesharing is carved, TPointFor described first opening time, wherein, described first period of the day from 11 p.m. to 1 a.m is carved as target coil during described breaker open operation
The initial charged moment；
By formula TClose=T4-T3Calculate described first closing time, wherein, T3Carve for described second period of the day from 11 p.m. to 1 a.m, T4For described
The just conjunction, TCloseFor described first closing time, wherein, described second period of the day from 11 p.m. to 1 a.m is carved as target coil during described breaker closing
The initial charged moment.
In conjunction with first aspect, embodiments provide the 4th kind of possible embodiment of first aspect, wherein, institute
State in the case of chopper charging operation, obtained for the first moment, including:
Obtaining the second curve, wherein, described second curve is electric current and the time of the target coil representing described chopper
Between relation curve；
Using the object time in described second curve as described first moment, wherein, described object time is described
In two curves, electric current is not equal to the initial time of zero.
In conjunction with first aspect, embodiments provide the 5th kind of possible embodiment of first aspect, wherein,
According to after the first movement time that described first moment and described second moment determine described chopper, described method is also wrapped
Include:
Judge whether described first movement time is in preset time range；
If it is judged that described first movement time is in described preset time range, then next moves to continue detection execution
The second movement time when making, wherein, include described second movement time following any one: the second opening time, second close a floodgate
Time；
If it is judged that described first movement time is not in described preset time range, then generate instruction information, its
In, described instruction information is used for indicating described chopper to there occurs fault.
Second aspect, embodiments provides a kind of method for detecting breaker actuation speed, described method
Including:
Acquisition moving contact of breaker is in location parameter during target location, and wherein, described target location includes following
A kind of: just point position, just close position；
Determining for the second moment according to described location parameter, wherein, described second moment is that described moving contact is in described mesh
Moment during cursor position；
Determine the speed of action of described chopper according to described second moment, wherein, described speed of action includes following
A kind of: opening velocity, closing speed.
In conjunction with second aspect, embodiments provide the first possible embodiment of second aspect, wherein, institute
State and determine the speed of action of described chopper according to described second moment, including:
Obtaining the first curve, wherein, described first curve is the stroke representing described moving contact and the relation between the time
Curve；
Choosing the 3rd moment and the 4th moment, wherein, described 3rd moment is less than first with the difference in described second moment
The difference in predetermined time, described 4th moment and described second moment is less than the second predetermined time；
In described first curve, determine the first stroke corresponding to described 3rd moment, and determine described 4th moment pair
The second stroke answered；
According to formulaCalculate speed of action, wherein, described speed of action include following any one: separating brake speed
Degree and closing speed, wherein, S2For described second stroke, S1For described first stroke, t2For described 4th moment, t1For described
3rd moment, v1For described speed of action.
In conjunction with second aspect, embodiments provide the embodiment that the second of second aspect is possible, wherein, institute
State and determine the speed of action of described chopper according to described second moment, also include:
Obtaining the first curve, wherein, described first curve is the stroke representing described moving contact and the relation between the time
Curve；
Choose third trip and fourth line journey, wherein, the location parameter that described third trip is corresponding with described second moment
Difference less than the first preset strokes value, the difference of the location parameter that described fourth line journey is corresponding with described second moment is less than the
Two preset strokes values；
In described first curve, determine the 5th moment that described third trip is corresponding, and determine described fourth line journey pair
The 6th moment answered；
According to formulaCalculate speed of action, wherein, described speed of action include following any one: separating brake speed
Degree and closing speed, wherein, S4For described fourth line journey, S3For described third trip, t4For described 6th moment, t3For described
5th moment, v2For described speed of action.
The third aspect, embodiments provides a kind of device for detecting the breaker actuation time, described device
Including:
First acquisition module, in the case of chopper charging operation, obtains the first moment, wherein, described first
Moment is the initial charged moment of target coil in described chopper；
Second acquisition module, for obtaining location parameter when described moving contact of breaker is in target location, wherein, institute
State target location include following any one: just closed position, just point position；
First determines module, and for determining for the second moment according to described location parameter, wherein, described second moment is described
Moving contact is in moment during described target location；
Second determines module, for determining that the first of described chopper moves according to described first moment and described second moment
Make the time, wherein, include described first movement time following any one: the first closing time, the first opening time.
In conjunction with second aspect, embodiments provide the first possible embodiment of second aspect, wherein, institute
State the second acquisition module, including:
First obtains submodule, for obtaining the closing position of described chopper；
Second obtains submodule, for obtaining the overtravel of the moving contact of the described chopper measured in advance；
Calculating sub module, for calculating described closing position and the difference of described overtravel, and using described difference as institute
State location parameter during target location.
Fourth aspect, embodiments provides a kind of device for detecting breaker actuation speed, described device
Including:
3rd acquisition module, for obtaining location parameter when moving contact of breaker is in target location, wherein, described mesh
Cursor position include following any one: just point position, just close position；
3rd determines module, and for determining for the second moment according to described location parameter, wherein, described second moment is described
Moving contact is in moment during described target location；
4th determines module, for determining the speed of action of described chopper according to described second moment, wherein, described dynamic
As speed include following any one: opening velocity, closing speed.
A kind of method for detecting the breaker actuation time that the embodiment of the present invention provides, including: charged at chopper
In the case of operation, obtaining for the first moment, wherein, the first moment was the initial charged moment of target coil in chopper；Obtain
Moving contact of breaker is in location parameter during target location, wherein, target location include following any one: just point position, just
Close position；Determining for the second moment according to location parameter, wherein, the second moment was moving contact moment when being in target location；Root
Determine the first movement time of chopper according to the first moment and the second moment, wherein, include for the first movement time following any one:
First closing time, the first opening time；
Phase movement time of chopper is recorded by being connected electrical secondmeter in the performance loop of chopper with prior art
Ratio, it is by obtaining in chopper the initial charged moment of target coil as the first moment, and is in target at moving contact
Moment during position, as the second moment, finally determines the first movement time of chopper according to the first moment and the second moment,
Can more science, accurately detection chopper movement time when divide-shut brake, simple to operate, meanwhile, improve accuracy of detection
And detection efficiency.
For making the above-mentioned purpose of the present invention, feature and advantage to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by embodiment required use attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, and it is right to be therefore not construed as
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to this
A little accompanying drawings obtain other relevant accompanying drawings.
Fig. 1 shows a kind of method flow diagram for detecting the breaker actuation time that the embodiment of the present invention is provided；
A kind of position obtained when moving contact of breaker is in target location that Fig. 2 shows that the embodiment of the present invention is provided
The method flow diagram of parameter；
Fig. 3 shows when a kind of chopper that the embodiment of the present invention is provided departs from electrical network, the method calculating overtravel；
Fig. 4 shows a kind of method flow determining for the second moment according to location parameter that the embodiment of the present invention is provided
Figure；
Fig. 5 shows the first curve and the schematic diagram of the second curve that the embodiment of the present invention provided；When () is separating brake a
One curve and the schematic diagram of the second curve；First curve and the schematic diagram of the second curve when () is for closing a floodgate b；
Fig. 6 show one that the embodiment of the present invention provided in the case of chopper charging operation, when obtaining first
The method flow diagram carved；
Fig. 7 shows that the one that the embodiment of the present invention is provided judges whether the first movement time was in preset time range
Interior method flow diagram；
Fig. 8 shows a kind of method flow diagram detecting breaker actuation speed that the embodiment of the present invention is provided；
Fig. 9 shows the side of a kind of speed of action determining chopper according to the second moment that the embodiment of the present invention provided
Method flow chart；
Figure 10 shows that the another kind that the embodiment of the present invention is provided determines the speed of action of chopper according to the second moment
Method flow diagram；
Figure 11 shows the structure of a kind of device for detecting the breaker actuation time that the embodiment of the present invention provided
Schematic diagram；
Figure 12 shows the structure of a kind of device for detecting breaker actuation speed that the embodiment of the present invention provided
Schematic diagram.
Main element symbol description:
1, for detecting the device of breaker actuation time；11, the first acquisition module；12, the second acquisition module；13,
One determines module；14, second determines module；121, first submodule is obtained；122, second submodule is obtained；123, submodule is calculated
Block；
2, for detecting the device of breaker actuation speed；221, the 3rd acquisition module；22, the 3rd determines module；23,
Four determine module.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
Middle accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
It is a part of embodiment of the present invention rather than whole embodiments.Generally real with the present invention illustrated described in accompanying drawing herein
The assembly executing example can be arranged with various different configurations and design.Therefore, below to the present invention's provided in the accompanying drawings
The detailed description of embodiment is not intended to limit the scope of claimed invention, but is merely representative of the selected reality of the present invention
Execute example.Based on embodiments of the invention, the institute that those skilled in the art are obtained on the premise of not making creative work
There are other embodiments, broadly fall into the scope of protection of the invention.
Compare in view of the process wiring by electrical secondmeter, the branch wire time of chopper measured in prior art
Complexity, the error in data recorded is relatively big, inadequate science, accurately, and, prior art does not also have one to be capable of online and examines
Survey the effective ways of divide-shut brake speed.Based on this, embodiments provide a kind of for detect the breaker actuation time and
The method and device of speed of action, is described below by embodiment.
Below in conjunction with Fig. 1, a kind of method for detecting the breaker actuation time that the embodiment of the present invention provides is described, should
Method includes:
S101, in the case of chopper charging operation, obtained for the first moment, wherein, the first moment was mesh in chopper
The initial charged moment of graticule circle；
In embodiments of the present invention, the test under the charged ruuning situation of chopper refer to breaker mechanic property
Line is tested.Breaker mechanic property can directly reflect the quality of its mechanical engagement, electrical coordination and performance.Mechanical property
Test is divided into off-line test and on-line testing two ways, and off-line test is according to maintenance or test plan, by power equipment
The test being separated from electrical network and carry out, this test can greatly ensure the safety of equipment and tester, but test
Cheng Buneng reappear really equipment properly functioning time situation；And on-line testing is exactly in power equipment normal course of operation,
Testing relevant parameter, on-line testing does not results in system blackout, and test result can more truly reflect in running
The action situation of chopper.Correlation test standard specifies: will measure chopper when handing-over, overhaul and annual preventive trial
Branch wire time and divide-shut brake speed, and branch wire time and divide-shut brake speed are two important fingers of breaker mechanic property
Mark.
Concrete, the initial charged moment of chopper target coil is chopper and obtains the moment of action command, action
Order include following any one: separating brake order, close a floodgate order；Implementing when, can be by when chopper works
Control loop in construction opening formula current sensor record, the other end of current sensor is received on mechanical property instrument, so
The initial charged moment of target coil, i.e. open circuit can be obtained by the electric current versus time curve that mechanical property instrument shows
Device obtains the moment of action command, and this moment is as the first moment；Wherein, when breaker open operation, above-mentioned target coil refers to point
Brake cable circle；And when breaker closing, above-mentioned target coil refers to closing coil.
In order to detect the movement time of chopper, said process has obtained the first moment (target coil in chopper
The initial charged moment), need to further determine that the moment that moving contact of breaker is in just point position:
S102, obtaining location parameter when moving contact of breaker is in target location, wherein, target location includes following
A kind of: just point position, just close position；
In embodiments of the present invention, during breaker closing, in order to ensure close a floodgate reliability and contact abrasion in the case of
Chopper can continue to reliably close a floodgate, and after the moving contact of chopper contacts Guan Bi with static contact, moving contact often continues to leaning on
A segment distance is moved in the direction of nearly static contact, and this segment distance continued to move to is referred to as overtravel.
The location parameter that calculating moving contact of breaker is in target location is relevant with overtravel, concrete, can be by disconnected
The closing position of road device and overtravel determine target location (just point position or just closed position), implementing when, and can
With installation position displacement sensor on the drive disk assembly of contact of breaker deciliter, then it is special that the other end of displacement transducer is received machinery
On property instrument, so can be recorded the time dependent curve of stroke of moving contact by mechanical property instrument, determine according to curve disconnected
The closing position of road device, overtravel is calculated the location parameter of target location, the position of this target location calculated in addition
Put parameter and be considered as the position into virtual fracture.The position of so-called virtual fracture is firm point position or has just closed position, i.e.
In Fig. 3 in firm chalaza location or Fig. 5 just branch location (concrete Fig. 3 and Fig. 5 will enter in the following embodiments
Row is introduced).
S103, determined for the second moment according to location parameter, wherein, the second moment be moving contact when being in target location time
Carve；
Further, after obtaining the location parameter of target location in said process, the stroke in conjunction with moving contact becomes in time
The curve changed determines moment when moving contact is in target location, the i.e. second moment (firm timesharing carve or just the conjunction).
S104, determine the first movement time of chopper according to the first moment and the second moment, wherein, the first movement time
Including following any one: the first closing time, the first opening time.
Further, the second moment that the first moment obtained according to S101 and S103 obtain is calculated the of chopper
One movement time, concrete, when the first opening time is breaker open operation, the time dependent curve of the stroke of moving contact is with super
The second moment that stroke determines (firm timesharing quarter) deducts the initial charged moment of switching winding；First closing time is that chopper closes
The second moment that during lock, the time dependent curve of the stroke of moving contact and overtravel determine (firm timesharing quarter) deducts closing coil
The initial charged moment.
It should be understood that during above-mentioned test, the time dependent curve of electric current of target coil and moving contact
The time dependent curve of stroke should be synchronously tested by current sensor and displacement transducer and to be shown in same machinery special
On property instrument, so, two curves can be displayed simultaneously in the same coordinate system (as shown in Figure 5), in order to analytical calculation more accurately；
Meanwhile, the measurement equipment (such as current sensor, displacement transducer and mechanic character tester) that said process is used, it is also possible to
Being that other can complete the equipment of said function, the embodiment of the present invention is to the connected mode of above-mentioned measurement equipment and the equipment of measurement not
Do concrete restriction.
A kind of method for detecting the breaker actuation time that the embodiment of the present invention provides, with prior art are passed through
Connecting electrical secondmeter in the performance loop of chopper to record and compare movement time of chopper, it is by obtaining score in chopper
The initial charged moment of circle is as the first moment, and the moment when moving contact is in target location is as the second moment,
Determine the first movement time of chopper eventually according to the first moment and the second moment, reached can more science, detect accurately
The purpose of chopper movement time when divide-shut brake, solves the process in the detection circuit-breaker switching on-off time in prior art
In, accuracy of detection and the relatively low technical problem of detection efficiency, thus improve accuracy of detection and detection efficiency is simple to operate.
Below said process is specifically described: with reference to Fig. 2, acquisition moving contact of breaker is in position during target location
Put parameter, including:
S201, the closing position of acquisition chopper；
In embodiments of the present invention, it is provided that the concrete mode of a kind of closing position obtaining chopper, including: by peace
The displacement transducer being contained on the drive disk assembly of contact of breaker deciliter records the stroke versus time curve of moving contact also
It is shown on mechanic character tester；
When breaker open operation, in the stroke versus time curve of moving contact, the closing position of display is at the beginning of curve
Beginning position, this position correspondence is closing position during breaker open operation on the longitudinal axis of coordinate system；
When breaker closing, the end that closing position is curve of display in the stroke versus time curve of moving contact
Stop bit is put, and this position correspondence is closing position during breaker closing on the longitudinal axis of coordinate system；
It addition, in embodiments of the present invention, the static contact of chopper is above relative to moving contact, and moving contact is positioned at quiet
The underface of contact, positive direction with the direction of the static contact of top as the longitudinal axis, so the stroke of the contact obtained is in time
In change curve, the vertical coordinate of closing position relatively open position is compared maximum all the time.
The overtravel of the moving contact of the chopper that S202, acquisition are measured in advance；
In embodiments of the present invention, it is provided that measure the dynamic of chopper under a kind of chopper off-line state (disengaging electrical network) and touch
The method of the overtravel of head, reference Fig. 3, including: first, the dynamic/static contact of chopper outwards respectively draws a cable, will be even
The cable connecing static contact is received on the power supply of mechanic character tester, and testing mechanical characteristic received by the cable connecting moving contact
The receiving terminal of instrument, meanwhile, installation position displacement sensor on the drive disk assembly of contact of breaker deciliter, then by displacement transducer
The other end is received on mechanic character tester；
When breaker closing, after receiving terminal receives the signal of telecommunication, the major loop state recorded by mechanic character tester
Curve is become 1 from 0, represents that the moving contact of chopper just contacts (fracture site being reality) with static contact, additionally at machine
The most synchronously tested time dependent curve of stroke of moving contact in the same coordinate system of tool characteristic tester, by this curve
The location parameter of closing position when may determine that breaker closing；Wherein, during breaker closing, closing position is moving contact
The final position of the time dependent curve of stroke；On mechanic character tester in the coordinate system of the curve of display, can read
Take the vertical coordinate stroke value of closing position；Further, by trip point in the major loop condition curve point of 1 (0 become) to
Do straight line on the time dependent curve of stroke of moving contact, obtain this straight line and the time dependent curve of moving contact stroke
Intersection point, this intersection point is firm chalaza (fracture site), reads the vertical coordinate stroke value of firm chalaza (just having closed position) in a coordinate system,
The vertical coordinate stroke value of closing position is deducted the overtravel that the vertical coordinate stroke value of firm chalaza obtains the moving contact of chopper.
The process of the overtravel of the moving contact of above-mentioned measurement chopper is recording under chopper off-line state, if
During line states, can be obtained by the survey calculation of current transformer, not repeat them here.
It addition, after chopper manufacture completes, the overtravel of the moving contact of chopper the most also can be measured by producer, so,
Given the overtravel of chopper in the technical data of some choppers, so, during the detection breaker actuation time
Avoid the need for overtravel is measured again, can directly use.
S203, calculating closing position and the difference of overtravel, and using difference as location parameter during target location.
Concrete, after S201 obtains the vertical coordinate of closing position, deduct overtravel with this vertical coordinate respectively
To moving contact be in target location time location parameter；This position be the stroke by moving contact during chopper presence with
Closing position and overtravel that the change curve of time determines are calculated, and this position (just point position or just closed position) is permissible
Regard virtual fracture site as；When separating brake, the location parameter obtained is the location parameter of just point position；When closing a floodgate, obtain
Location parameter be the location parameter just having closed position.
As it has been described above, after obtaining the location parameter of target location, can further determine that for the second moment, concrete, with reference to figure
4, determined for the second moment according to location parameter, including:
S401, obtaining the first curve, wherein, the first curve is to represent that the stroke of moving contact and relation between the time are bent
Line；
In embodiments of the present invention, the first curve is the relation curve between the stroke of moving contact and time, this curve
Identical with the stroke versus time curve of the moving contact in S201, concrete, including: when breaker open operation, moving contact
Stroke and relation curve between the time；When breaker closing, the stroke of moving contact and the relation curve between the time.
S402, in the first curve, determine the time that location parameter is corresponding, and using the corresponding time as the second moment.
Concrete, with reference to Fig. 5, the first curve (stroke of moving contact and the relation curve between the time) when (a) is separating brake
And second schematic diagram of curve (electric current of switching winding and the relation curve between the time), when (b) is for closing a floodgate, the first curve is (dynamic
The stroke of contact and the relation curve between the time) and the second curve (electric current of switching winding and the relation curve between the time)
Schematic diagram, respectively according to the location parameter of the target location determined in S203, in corresponding first curve, determine this position
Time corresponding to parameter, and using this time as the second moment；Wherein, the location parameter of open position is corresponding has just divided position
In the moment, i.e. just timesharing is carved；The location parameter of the closing position corresponding moment just closing position, the i.e. just conjunction.
Further, the second moment included that firm timesharing was carved and the firm conjunction, and the first moment included that first period of the day from 11 p.m. to 1 a.m was carved and second
The period of the day from 11 p.m. to 1 a.m is carved, and determines the first movement time of chopper according to the first moment and the second moment, including:
By formula TPoint=T2-T1Calculate the first opening time, wherein, T1It is that first period of the day from 11 p.m. to 1 a.m is carved, T2Carve for firm timesharing, TPoint
Being the first opening time, wherein, first period of the day from 11 p.m. to 1 a.m was carved as the initial charged moment of target coil during breaker open operation；
By formula TClose=T4-T3Calculate the first closing time, wherein, T3It is that second period of the day from 11 p.m. to 1 a.m is carved, T4For the firm conjunction, TClose
Being the first closing time, wherein, second period of the day from 11 p.m. to 1 a.m was carved as the initial charged moment of target coil during breaker closing.
Acquisition to the first moment below is specifically described, and with reference to Fig. 6, in the case of chopper charging operation, obtains
Took for the first moment, including:
S601, obtaining the second curve, wherein, the second curve is the electric current of the target coil representing chopper and between the time
Relation curve；
Concrete, when chopper presence, the second curve can be by being arranged on control loop split shed formula current sense
Device records, and is shown on mechanical property instrument；Second curve be represent chopper target coil electric current and between the time
Relation curve, the second curve is identical with the electric current versus time curve of target coil in S101；During breaker open operation, second
Curve is electric current and the relation curve between the time of the switching winding of chopper；During breaker closing, the second curve is open circuit
The electric current of the closing coil of device and the relation curve between the time.
S602, using the object time in the second curve as the first moment, wherein, object time is electric current in the second curve
It is not equal to the initial time of zero.
Concrete, after obtaining the second curve, in the electric current of switching winding and the relation curve between the time, electric current is not equal to
The initial time of zero is that first period of the day from 11 p.m. to 1 a.m is carved；In the electric current of closing coil and the relation curve between the time electric current be not equal to zero rise
Moment beginning is that second period of the day from 11 p.m. to 1 a.m is carved；Wherein, the first moment included that first period of the day from 11 p.m. to 1 a.m was carved and second period of the day from 11 p.m. to 1 a.m is carved.
After the first movement time determining chopper according to the first moment and the second moment, with reference to Fig. 7, method is also wrapped
Include:
S701, judge whether the first movement time was in preset time range, if the first movement time was in default
In time range, perform S702；If the first movement time was not in preset time range, perform S703；
Concrete, the brand of chopper, specification, using area are different, and the opening time of correspondence, closing time are the most not
With, after obtaining the first movement time (the first opening time or the first closing time), it is judged that whether the first movement time was in
In preset time range；Wherein, preset time range includes presetting opening time scope and default closing time scope, the two model
Enclosing can be identical, it is possible to different, sets according to actual needs, is not particularly limited it at this.
S702 if it is judged that be in preset time range for the first movement time, then continue detection and performs next action
Time the second movement time, wherein, include for the second movement time following any one: the second opening time, the second closing time；
Further, if being the first opening time the first movement time, and when the first opening time is in default separating brake
In the range of between, then continue waiting for detecting the second movement time during next action, and now the second movement time be the second combined floodgate
Time；On the contrary, if being the first closing time the first movement time, and the first closing time is in default closing time scope
In, then continue waiting for detecting the second movement time during next action, and now the second movement time be the second opening time；With
Reason, if the second movement time obtained is still in preset time range, then when continuing action when detection performs next action
Between.
S703 if it is judged that be not in preset time range for the first movement time, then generate instruction information, wherein,
Instruction information is used for indicating chopper to there occurs fault.
Further, if it is judged that the first movement time was not in the time range preset, generation is used for by equipment
The instruction information that instruction chopper breaks down, to remind staff to overhaul it.
Said process is the process of on-line real-time measuremen, can hold with tracing detection chopper during the use of chopper
Movement time during each action of row, and judge according to the movement time detected.
The embodiment of the present invention additionally provides a kind of method for detecting breaker actuation speed, with reference to Fig. 8, the method bag
Include:
S801, obtaining location parameter when moving contact of breaker is in target location, wherein, target location includes following
A kind of: just point position, just close position；
Concrete, at this location parameter acquisition and in the method detecting the breaker actuation time S102, S203
Step is identical, does not repeats them here.
S802, determined for the second moment according to location parameter, wherein, the second moment be moving contact when being in target location time
Carve；
Concrete, at this second moment determination and in the method detecting the breaker actuation time S103, S402
Step is identical, does not repeats them here.
S803, determine the speed of action of chopper according to the second moment, wherein, speed of action include following any one: point
Lock speed, closing speed.
Concrete, with reference to Fig. 9, determine the speed of action of chopper according to the second moment, including:
S901, obtaining the first curve, wherein, the first curve is to represent that the stroke of moving contact and relation between the time are bent
Line；
Concrete, the first curve is the relation curve between the stroke of moving contact and time, in this curve and S201
The stroke versus time curve of moving contact is identical, and identical with the first curve in S401, does not repeats them here.
S902, choosing the 3rd moment and the 4th moment, wherein, the difference in the 3rd moment and the second moment is preset less than first
In the moment, the 4th moment was less than the second predetermined time with the difference in the second moment；
Concrete, after S402, S802 determined the second moment, take the 3rd moment and the respectively in the both sides in the second moment
In four moment, wherein, the 3rd moment was less than the first predetermined time with the difference in the second moment, and the first predetermined time is by tester
Sets itself as required；4th moment was less than the second predetermined time, equally, the second predetermined time with the difference in the second moment
Also can be identical by tester's sets itself as desired, the first predetermined time and the second predetermined time, it is possible to different,
It is not particularly limited at this.
S903, in the first curve, determine the first stroke corresponding to the 3rd moment, and determine the 4th moment corresponding
Two strokes；
Concrete, according to the relation curve between time and the stroke of moving contact and the 3rd moment, determined for the 3rd moment
The first corresponding stroke；Meanwhile, according to the relation curve between time and the stroke of moving contact and the 4th moment, the 4th is determined
The second stroke that moment is corresponding.
S904, according to formulaCalculate speed of action, wherein, speed of action include following any one: separating brake speed
Degree and closing speed, wherein, S2It is the second stroke, S1It is the first stroke, t2It was the 4th moment, t1It was the 3rd moment, v1For action
Speed.
Concrete, according to formulaCalculate speed of action；Wherein, when breaker open operation, carve according to firm timesharing
And the speed of action that the relation curve between the time of moving contact and stroke obtains is opening velocity；And at breaker closing
Time, the speed of action obtained according to the relation curve between the firm conjunction and the time of moving contact and stroke is closing speed.
Additionally provide the another kind of method calculating speed of action in embodiments of the present invention, specific as follows:
Determine the speed of action of chopper according to the second moment, with reference to Figure 10, method also includes:
S1001, obtaining the first curve, wherein, the first curve is to represent that the stroke of moving contact and relation between the time are bent
Line；
Concrete, the first curve is the relation curve between the stroke of moving contact and time, in this curve and S201
The stroke versus time curve of moving contact is identical, and identical with the first curve in S401, S801, the most superfluous at this
State.
S1002, choose third trip and fourth line journey, wherein, the location parameter that third trip is corresponding with the second moment
Difference is less than the first preset strokes value, and the difference of the location parameter that fourth line journey is corresponding with the second moment is less than the second preset strokes
Value；
Concrete, after S203, S801 determine the location parameter of target location, take the respectively in the both sides of location parameter
Triple-travel and fourth line journey, wherein, third trip is less than the first preset strokes value with the difference of location parameter, and first presets row
Journey value is by tester's sets itself as required；Fourth line journey is less than the second preset strokes value with the difference of location parameter,
Equally, the second preset strokes value is also by tester's sets itself as desired, and the first preset strokes value and second is preset
Stroke value can be identical, it is possible to different, is not particularly limited at this.
S1003, in the first curve, determine the 5th moment that third trip is corresponding, and determine that fourth line journey is corresponding
Six moment；
Concrete, according to the relation curve between time and the stroke of moving contact and third trip, determine third trip
The 5th corresponding moment；Meanwhile, according to the relation curve between time and the stroke of moving contact and fourth line journey, the 4th is determined
The 6th moment that stroke is corresponding.
S1004, according to formulaCalculate speed of action, wherein, speed of action include following any one: separating brake
Speed and closing speed, wherein, S4For fourth line journey, S3For third trip, t4It was the 6th moment, t3It was the 5th moment, v2It is
Make speed.
Concrete, according to formulaCalculate speed of action；Wherein, when breaker open operation, according to just point position
Location parameter and the time of moving contact and stroke between the speed of action that obtains of relation curve be opening velocity；And disconnected
When road device closes a floodgate, according to moving that the relation curve between location parameter and the time of moving contact and the stroke of just conjunction position obtains
It is closing speed as speed.
A kind of method for detecting breaker actuation speed that the embodiment of the present invention provides, it moves by obtaining chopper
Contact is in location parameter during target location, and determines for the second moment according to location parameter, finally true according to the second moment
Determine the speed of action of chopper, reached can more science, accurately detect the chopper speed of action when divide-shut brake mesh
, solve the problem that cannot detect circuit-breaker switching on-off speed in prior art, and, during detection, simple to operate, real
Good by property.
Embodiments provide a kind of device 1 for detecting the breaker actuation time, specific as follows:
A kind of device 1 for detecting the breaker actuation time, with reference to Figure 11, device includes:
First acquisition module 11, in the case of chopper charging operation, obtained for the first moment, wherein, when first
Carve as the initial charged moment of target coil in chopper；
Second acquisition module 12, for obtaining location parameter when moving contact of breaker is in target location, wherein, target
Position include following any one: just point position, just close position；
First determines module 13, and for determining for the second moment according to location parameter, wherein, the second moment was that moving contact is in
Moment during target location；
Second determines module 14, for determining the first movement time of chopper according to the first moment and the second moment, its
In, include for the first movement time following any one: the first opening time, the first closing time.
Second acquisition module 12, including:
First obtains submodule 121, for obtaining the closing position of chopper；
Second obtains submodule 122, for obtaining the overtravel of the moving contact of the chopper measured in advance；
Calculating sub module 123, for calculating the difference of closing position and overtravel, and using difference as during target location
Location parameter.
First determines module 13, including:
3rd obtains submodule, and for obtaining the first curve, wherein, the first curve is stroke and the time representing moving contact
Between relation curve；
First determines submodule, for determining the time that location parameter is corresponding in the first curve, and by the corresponding time
As the second moment.
Wherein, the second moment included that firm timesharing was carved and the firm conjunction, and the first moment included that first period of the day from 11 p.m. to 1 a.m was carved and second period of the day from 11 p.m. to 1 a.m
Carving, second determines module 14, including:
First calculating sub module, for by formula TPoint=T2-T1Calculate the first opening time, wherein, T1It it is first period of the day from 11 p.m. to 1 a.m
Carve, T2Carve for firm timesharing, TPointBe the first opening time, wherein, first the period of the day from 11 p.m. to 1 a.m carve for breaker open operation time target coil initial
The charged moment；
Second calculating sub module, for by formula TClose=T4-T3Calculate the first closing time, wherein, T3It it is second period of the day from 11 p.m. to 1 a.m
Carve, T4For the firm conjunction, TCloseBe the first closing time, wherein, second the period of the day from 11 p.m. to 1 a.m carve for breaker closing time target coil initial
The charged moment.
First acquisition module 11, including:
4th obtains submodule, and for obtaining the second curve, wherein, the second curve is the target coil representing chopper
Relation curve between electric current and time；
Second determines submodule, is used for the object time in the second curve as the first moment, and wherein, object time is
In second curve, electric current is not equal to the initial time of zero.
A kind of device for detecting the breaker actuation time, also includes:
Judge module, for judging whether the first movement time was in preset time range；
Detection performs module, for if it is judged that be in preset time range for the first movement time, then continues detection
Perform the second movement time during next action, wherein, include for the second movement time following any one: the second closing time,
Two opening times；
Reminding module, for if it is judged that be not in preset time range for the first movement time, then generates instruction letter
Breath, wherein, instruction information is used for indicating chopper to there occurs fault.
Embodiments provide a kind of device 2 for detecting breaker actuation speed, specific as follows:
A kind of device 2 for detecting breaker actuation speed, with reference to Figure 12, device includes:
3rd acquisition module 21, for obtaining location parameter when moving contact of breaker is in target location, wherein, target
Position include following any one: just point position, just close position；
3rd determines module 22, and for determining for the second moment according to location parameter, wherein, the second moment was that moving contact is in
Moment during target location；
4th determines module 23, and for determining the speed of action of chopper according to the second moment, wherein, speed of action includes
Below any one: opening velocity, closing speed.
4th determines module 23, including:
5th obtains submodule, and for obtaining the first curve, wherein, the first curve is time and the stroke representing moving contact
Between relation curve；
First chooses submodule, is used for choosing the 3rd moment and the 4th moment, wherein, the 3rd moment and the difference in the second moment
Value is less than the second predetermined time less than the first predetermined time, the 4th moment with the difference in the second moment；
3rd determines submodule, for determining the first stroke corresponding to the 3rd moment in the first curve, and determines the
The second stroke that four moment are corresponding；
3rd calculating sub module, for according to formulaCalculate speed of action, wherein, under speed of action includes
One any one: opening velocity and closing speed, wherein, S2It is the second stroke, S1It is the first stroke, t2It was the 4th moment, t1It is
Three moment, v1For speed of action；
4th determines module 23, also includes:
6th obtains submodule, and for obtaining the first curve, wherein, the first curve is time and the stroke representing moving contact
Between relation curve；
Second chooses submodule, is used for choosing third trip and fourth line journey, and wherein, third trip is corresponding with the second moment
The difference of location parameter less than the first preset strokes value, the difference of the location parameter that fourth line journey is corresponding with the second moment is less than
Second preset strokes value；
4th determines submodule, for determining the 5th moment that third trip is corresponding in the first curve, and determines the
The 6th moment that four strokes are corresponding；
4th calculating sub module, for according to formulaCalculate speed of action, wherein, speed of action include with
Descend any one: opening velocity and closing speed, wherein, S4For fourth line journey, S3For third trip, t4It was the 6th moment, t3It is
Five moment, v2For speed of action.
A kind of method and device for detecting breaker actuation time and speed of action that the embodiment of the present invention provides, real
Show the real-time online detection of chopper branch wire time and divide-shut brake speed, it is possible to find defect in time, improve circuit fortune
The stability of row；And during Jian Ce, simple to operate, wiring is easy, can ensure the safety of tester and equipment greatly；
Meanwhile, detection curve figure intuitively can be obtained so that test process has trackability, test result more science, accurately.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertically ",
Orientation or the position relationship of the instruction such as " level ", " interior ", " outward " are based on orientation shown in the drawings or position relationship, or should
The orientation usually put during the use of invention product or position relationship, be for only for ease of the description present invention and simplify description, and not
It is to indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, the most not
It is understood that as limitation of the present invention.Describe additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing, and can not manage
Solve as instruction or hint relative importance.
In describing the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " arrange ",
" install ", " being connected ", " connection " should be interpreted broadly, and connect for example, it may be fixing, it is also possible to be to removably connect, or one
Body ground connects；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to indirect by intermediary
It is connected, can be the connection of two element internals.For the ordinary skill in the art, can be with in concrete condition understanding
State term concrete meaning in the present invention.
It is last it is noted that the detailed description of the invention of embodiment described above, the only present invention, in order to the present invention to be described
Technical scheme, be not intended to limit, protection scope of the present invention is not limited thereto, although with reference to previous embodiment to this
Bright it is described in detail, it will be understood by those within the art that: any those familiar with the art
In the technical scope that the invention discloses, the technical scheme described in previous embodiment still can be modified or can be light by it
It is readily conceivable that change, or wherein portion of techniques feature is carried out equivalent；And these are revised, change or replace, do not make
The essence of appropriate technical solution departs from the spirit and scope of embodiment of the present invention technical scheme.All should contain the protection in the present invention
Within the scope of.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (10)
1. the method being used for detecting the breaker actuation time, it is characterised in that described method includes:
In the case of chopper charging operation, obtaining for the first moment, wherein, described first moment is target in described chopper
The initial charged moment of coil；
Obtaining location parameter when described moving contact of breaker is in target location, wherein, described target location includes following
A kind of: just point position, just close position；
Determining for the second moment according to described location parameter, wherein, described second moment is that described moving contact is in described target position
Moment when putting；
The first movement time of described chopper, wherein, described first is determined according to described first moment and described second moment
Include movement time following any one: the first opening time, the first closing time.
Method the most according to claim 1, it is characterised in that the described moving contact of breaker of described acquisition is in target location
Time location parameter, including:
Obtain the closing position of described chopper；
Obtain the overtravel of the moving contact of the described chopper measured in advance；
Calculate described closing position and the difference of described overtravel, and described difference is joined as position during described target location
Number.
Method the most according to claim 2, it is characterised in that described determined for the second moment according to described location parameter, bag
Include:
Obtaining the first curve, wherein, described first curve is the stroke representing described moving contact and the relation curve between the time；
The time that described location parameter is corresponding is determined in described first curve, and using the time of described correspondence as described second
Moment.
Method the most according to claim 3, it is characterised in that described second moment includes that firm timesharing is carved and the firm conjunction,
Described first moment includes that first period of the day from 11 p.m. to 1 a.m is carved and second period of the day from 11 p.m. to 1 a.m is carved, and determines described according to described first moment and described second moment
First movement time of chopper, including:
By formula TPoint=T2-T1Calculate described first opening time, wherein, T1Carve for described first period of the day from 11 p.m. to 1 a.m, T2For described firm point
Moment, TPointFor described first opening time, wherein, described first period of the day from 11 p.m. to 1 a.m is carved as target coil initial during described breaker open operation
The charged moment；
By formula TClose=T4-T3Calculate described first closing time, wherein, T3Carve for described second period of the day from 11 p.m. to 1 a.m, T4For described firm conjunction
Moment, TCloseFor described first closing time, wherein, described second period of the day from 11 p.m. to 1 a.m is carved as target coil initial during described breaker closing
The charged moment.
Method the most according to claim 1, it is characterised in that described in the case of chopper charging operation, obtains the
One moment, including:
Obtaining the second curve, wherein, described second curve is the electric current of the target coil representing described chopper and between the time
Relation curve；
Using the object time in described second curve as described first moment, wherein, described object time is described second song
In line, electric current is not equal to the initial time of zero.
Method the most according to claim 1, it is characterised in that determining according to described first moment and described second moment
After first movement time of described chopper, described method also includes:
Judge whether described first movement time is in preset time range；
If it is judged that described first movement time is in described preset time range, then when continuing detection next action of execution
The second movement time, wherein, include described second movement time following any one: the second opening time, the second closing time；
If it is judged that described first movement time is not in described preset time range, then generate instruction information, wherein, institute
State instruction information for indicating described chopper to there occurs fault.
7. the method being used for detecting breaker actuation speed, it is characterised in that described method includes:
Obtain location parameter when moving contact of breaker is in target location, wherein, described target location include following any one:
Just point position, just close position；
Determining for the second moment according to described location parameter, wherein, described second moment is that described moving contact is in described target position
Moment when putting；
Determine the speed of action of described chopper according to described second moment, wherein, described speed of action include following any one:
Opening velocity, closing speed.
Method the most according to claim 7, it is characterised in that described determine described chopper according to described second moment
Speed of action, including:
Obtaining the first curve, wherein, described first curve is the stroke representing described moving contact and the relation curve between the time；
Choosing the 3rd moment and the 4th moment, wherein, described 3rd moment is default less than first with the difference in described second moment
In the moment, described 4th moment is less than the second predetermined time with the difference in described second moment；
In described first curve, determine the first stroke corresponding to described 3rd moment, and determine that described 4th moment is corresponding
Second stroke；
According to formulaCalculate speed of action, wherein, described speed of action include following any one: opening velocity and conjunction
Lock speed, wherein, S2For described second stroke, S1For described first stroke, t2For described 4th moment, t1During for the described 3rd
Carve, v1For described speed of action.
Method the most according to claim 7, it is characterised in that described determine described chopper according to described second moment
Speed of action, also includes:
Obtaining the first curve, wherein, described first curve is the stroke representing described moving contact and the relation curve between the time；
Choose third trip and fourth line journey, wherein, the difference of the location parameter that described third trip is corresponding with described second moment
Value is less than the first preset strokes value, and the difference of the location parameter that described fourth line journey is corresponding with described second moment is pre-less than second
If stroke value；
In described first curve, determine the 5th moment that described third trip is corresponding, and determine that described fourth line journey is corresponding
6th moment；
According to formulaCalculate speed of action, wherein, described speed of action include following any one: opening velocity and
Closing speed, wherein, S4For described fourth line journey, S3For described third trip, t4For described 6th moment, t3For the described 5th
Moment, v2For described speed of action.
10. the device being used for detecting the breaker actuation time, it is characterised in that described device includes:
First acquisition module, in the case of chopper charging operation, obtains the first moment, wherein, described first moment
For the initial charged moment of target coil in described chopper；
Second acquisition module, for obtaining location parameter when described moving contact of breaker is in target location, wherein, described mesh
Cursor position include following any one: just closed position, just point position；
First determines module, and for determining for the second moment according to described location parameter, wherein, described second moment is described dynamic tactile
Head is in moment during described target location；
Second determines module, during for determining the first action of described chopper according to described first moment and described second moment
Between, wherein, include described first movement time following any one: the first closing time, the first opening time.
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