CN107462830B - Intelligent micro-circuit breaker synchronism test method and device - Google Patents
Intelligent micro-circuit breaker synchronism test method and device Download PDFInfo
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- CN107462830B CN107462830B CN201710441414.1A CN201710441414A CN107462830B CN 107462830 B CN107462830 B CN 107462830B CN 201710441414 A CN201710441414 A CN 201710441414A CN 107462830 B CN107462830 B CN 107462830B
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- 238000010998 test method Methods 0.000 title claims abstract description 17
- 238000012797 qualification Methods 0.000 claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 230000007935 neutral effect Effects 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
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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
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
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- General Physics & Mathematics (AREA)
- Breakers (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a kind of intelligent micro-circuit breaker synchronism test methods, including switching synchronization to test, step are as follows: S01, be shorted the input terminal parallel connection of all poles of breaker and access power supply L line;S02, the operation handle of breaker is pushed to make its combined floodgate manually, record each output end of breaker obtains the electric time;S03, each output end of breaker is obtained to difference between electric time maximum value and time minimum value as the time same period of closing a floodgate, closes a floodgate the time same period when the time same period of closing a floodgate is less than standard, then judges breaker qualification, be otherwise unqualified.Test method of the invention has many advantages, such as to improve breaker closing reliability.The invention also discloses a kind of intelligent micro-circuit breaker synchronism experimental rig, including power supply unit and time test unit, the input terminal of the pole the L access breaker of power supply unit, the input terminal of time test unit is connected with the output end of breaker.Experimental rig of the invention has many advantages, such as that structure is simple, easy to operate.
Description
Technical field
The invention mainly relates to intelligent micro-circuit breaker the field of test technology, refer in particular to a kind of intelligent micro-circuit breaker synchronism
Test method and device.
Background technique
With the development and the improvement of people's living standards of national economy technology, electric energy has become people's production and life
One of essential energy in work.Electric energy meter is as the work uniquely measured to the electric energy that user uses in electric system
Tool, importance are naturally self-evident.
Simultaneously as intelligent now and unmanned technology development, have the intelligent of long-range power-off and closing function
Electric energy meter has become the mainstream electric energy meter of electric system now.The type electric energy meter generally has external breaker, electric energy
The controller of table controls turning on and off for peripheral breaker according to the data of electric energy meter and the data of user, thus realize to
The long-range power-off at family and combined floodgate.Since breaker directly controls power-off and the combined floodgate of user, its reliability is proposed higher
It is required that but used breaker causes it to use at the scene there is no the test in the enterprising professional etiquette model of each performance at present
When there are more failures.
Summary of the invention
The technical problem to be solved in the present invention is that, for technical problem of the existing technology, the present invention provides one
Kind improve the intelligent micro-circuit breaker synchronism test method of breaker functional reliability, and accordingly provide a kind of structure it is simple,
Intelligent micro-circuit breaker synchronism experimental rig easy to operate.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of intelligent micro-circuit breaker synchronism test method, including switching synchronization test, specific steps are as follows:
S01, the input terminal parallel connection of all poles of breaker is shorted and accesses power supply L line;
S02, the operation handle for pushing breaker manually, make breaker closing, when record each output end of breaker obtains electric
Between;
S03, the difference obtained each output end of breaker between electric time maximum value and time minimum value are same as closing a floodgate
Time phase closes a floodgate the time same period when the time same period of closing a floodgate is less than standard, then judges breaker qualification, be otherwise unqualified.
As a further improvement of the above technical scheme:
In step S03, when breaker qualification, the value of the N line output terminal with opening and closing neutral pole is less than each output end of L line
Value.
In step S03, when breaker qualification, the value of the N line output terminal with protection pole is if it is greater than each output end of L line
Value, then the value of N line output terminal subtract each output end of L line value be less than standard close a floodgate the time same period.
In step S02, the intermediate position of the operation handle of breaker or the position at both ends are pushed manually, makes breaker
It closes a floodgate.
It further include the test of separating brake synchronism, specific steps are as follows:
S11, the output end parallel connection of all poles of breaker is shorted and accesses power supply N line, input terminal is respectively connected to power supply L
Line;
S12, the operation handle for pushing breaker manually make breaker open operation, each input terminal voltage variation of record breaker
Time;
S13, using the difference between the time maximum value and time minimum value of breaker each input terminal voltage variation as dividing
The lock time same period, when closing a floodgate, the time same period is less than the standard separating brake time same period, then judges breaker qualification, be otherwise unqualified.
In step S13, when breaker qualification, the value of the N line input terminal with opening and closing neutral pole is greater than each input terminal of L line
Value.
In step s 13, when breaker qualification, the value of the N line input terminal with protection pole is if it is greater than each input terminal of L line
Value, then the value of N line input terminal subtract each input terminal of L line value be less than the standard separating brake time same period.
In step s 12, the intermediate position of the operation handle of breaker or the position at both ends are pushed manually, make breaker
It closes a floodgate.
The invention also discloses a kind of intelligent micro-circuit breaker synchronism experimental rigs, including power supply unit and time test
Unit, the input terminal of the pole the L access breaker of the power supply unit, the input terminal of the time test unit and breaker it is defeated
Outlet is connected.
As a further improvement of the above technical scheme:
The time test unit is power-on time tester.
Compared with the prior art, the advantages of the present invention are as follows:
Intelligent micro-circuit breaker synchronism test method of the invention, examines the switching synchronization index of breaker
It surveys, can ensure that the moving contact of all poles of breaker mechanically keeps synchronous and connects, raising breaker uses reliable at the scene
Property.Intelligent micro-circuit breaker synchronism experimental rig structure of the invention is simple, easy to operate and be easily achieved.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention.
Fig. 2 is the device of the invention structure chart.
Specific embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As shown in Figure 1, the intelligent micro-circuit breaker synchronism test method of the present embodiment, including switching synchronization test,
Specific steps are as follows:
S01, the input terminal parallel connection of all poles of breaker is shorted and accesses power supply L line;
S02, the operation handle for pushing breaker manually, make breaker closing, when record each output end of breaker obtains electric
Between;
S03, the difference obtained each output end of breaker between electric time maximum value and time minimum value are same as closing a floodgate
Time phase closes a floodgate the time same period when the time same period of closing a floodgate is less than standard, then judges breaker qualification, be otherwise unqualified.
Intelligent micro-circuit breaker synchronism test method of the invention, examines the switching synchronization index of breaker
It surveys, can ensure that the moving contact of all poles of breaker mechanically keeps synchronous and connects, raising breaker uses reliable at the scene
Property.
In the present embodiment, in step S03, when breaker qualification, the value of the N line output terminal with opening and closing neutral pole is less than
The value of each output end of L line;The value of N line output terminal with protection pole is if it is greater than the value of each output end of L line, then N line output terminal
The value that value subtracts each output end of L line is less than standard and closes a floodgate the time same period.
In the present embodiment, in step S02, the intermediate position of the operation handle of breaker or the portion at both ends are pushed manually
Position, makes breaker closing.By pushing the operation handle of breaker to make breaker closing manually in different parts, to carry out same
Phase property index test can ensure reliability of the breaker in different personnel, different use habit progress closing operations.
It further include the test of separating brake synchronism, specific steps in the present embodiment are as follows:
S11, the output end parallel connection of all poles of breaker is shorted and accesses power supply N line, input terminal is respectively connected to power supply L
Line;
S12, the operation handle for pushing breaker manually make breaker open operation, each input terminal voltage variation of record breaker
Time;
S13, using the difference between the time maximum value and time minimum value of breaker each input terminal voltage variation as dividing
The lock time same period, when closing a floodgate, the time same period is less than the standard separating brake time same period, then judges breaker qualification, be otherwise unqualified.
In the present embodiment, in step S13, when breaker qualification, the value of the N line input terminal with opening and closing neutral pole is greater than L
The value of each input terminal of line;The value of N line input terminal with protection pole is if it is greater than the value of each input terminal of L line, then the value of N line input terminal
The value for subtracting each input terminal of L line is less than the standard separating brake time same period.
In the present embodiment, in step s 12, the intermediate position of the operation handle of breaker or the portion at both ends are pushed manually
Position, makes breaker closing.By pushing the operation handle of breaker to make breaker closing manually in different parts, to carry out same
Phase property index test can ensure reliability of the breaker in different personnel, different use habit progress sub-switching operations.
As shown in Fig. 2, the invention also discloses a kind of intelligent micro-circuit breaker synchronism experimental rig, including power supply unit
With time test unit (such as powering on time tester), the input terminal of the pole the L access breaker of power supply unit, time test unit
Input terminal be connected with the output end of breaker.By the voltage or output end of detection output and enter the pressure difference between end come
Judge whether to close a floodgate, it is record time at this time in voltage change, easy to operate and be easily achieved.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as protection of the invention
Range.
Claims (7)
1. a kind of intelligent micro-circuit breaker synchronism test method, which is characterized in that tested including switching synchronization, specific steps
Are as follows:
S01, the input terminal parallel connection of all poles of breaker is shorted and accesses power supply L line;
S02, the operation handle for pushing breaker manually, make breaker closing, and record each output end of breaker obtains the electric time;
S03, each output end of breaker is obtained difference between electric time maximum value and time minimum value as close a floodgate the same period when
Between, it closes a floodgate the time same period when the time same period of closing a floodgate is less than standard, then judges breaker qualification, be otherwise unqualified;
It further include the test of separating brake synchronism, specific steps are as follows:
S11, the output end parallel connection of all poles of breaker is shorted to and is accessed power supply N line, input terminal is respectively connected to power supply L line;
S12, the operation handle for pushing breaker manually, make breaker open operation, each input terminal voltage variation of record breaker when
Between;
Difference between S13, time maximum value and time minimum value that each input terminal voltage of breaker is changed is same as separating brake
Time phase is less than the standard separating brake time same period when the separating brake time same period, then judges breaker qualification, be otherwise unqualified.
2. intelligent micro-circuit breaker synchronism test method according to claim 1, which is characterized in that in step S03,
When breaker qualification, the N line output terminal with opening and closing neutral pole electric time value be less than each output end of L line it is electric when
Between be worth.
3. intelligent micro-circuit breaker synchronism test method according to claim 1, which is characterized in that in step S03,
When breaker qualification, the N line output terminal with protection pole electric time value if it is greater than each output end of L line it is electric when
Between be worth, then N line output terminal electric time value subtract each output end of L line electric time value be less than standard close a floodgate the same period when
Between.
4. intelligent micro-circuit breaker synchronism test method according to claim 1, which is characterized in that in step S02,
The intermediate position of the operation handle of breaker or the position at both ends are pushed manually, make breaker closing.
5. intelligent micro-circuit breaker synchronism test method according to claim 4, which is characterized in that in step S13, when
When breaker qualification, the voltage that the time value of the voltage change of the N line input terminal with opening and closing neutral pole is greater than each input terminal of L line becomes
The time value of change.
6. intelligent micro-circuit breaker synchronism test method according to claim 4, which is characterized in that in step s 13,
When breaker qualification, with protection pole N line input terminal voltage change time value if it is greater than each input terminal of L line voltage
The time value of variation, then the time value of the voltage change of N line input terminal subtract the voltage change of each input terminal of L line time value it is small
In the standard separating brake time same period.
7. intelligent micro-circuit breaker synchronism test method according to claim 4, which is characterized in that in step s 12,
The intermediate position of the operation handle of breaker or the position at both ends are pushed manually, make breaker open operation.
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CN107462830B true CN107462830B (en) | 2019-11-08 |
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Citations (7)
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CN201654191U (en) * | 2010-04-23 | 2010-11-24 | 江苏中科时代电气制造股份有限公司 | Three-phase synchronization tester of breaker |
CN103389462A (en) * | 2013-08-05 | 2013-11-13 | 北京慧智神光科技有限公司 | Method for detecting closing and opening synchronism of high-voltage circuit breaker |
CN103675666A (en) * | 2013-12-17 | 2014-03-26 | 国家电网公司 | Live line measurement device and method for breaker in different periods of time |
CN203606470U (en) * | 2013-12-17 | 2014-05-21 | 国家电网公司 | Asynchronous time live-line measuring device for circuit breaker |
JP2015032420A (en) * | 2013-08-01 | 2015-02-16 | 三菱電機株式会社 | Earth leakage breaker |
CN105403828A (en) * | 2014-09-13 | 2016-03-16 | 哈尔滨理大晟源科技开发有限公司 | Method for measuring opening operation time of high voltage circuit breaker by using electric second meter |
CN106291024A (en) * | 2016-08-02 | 2017-01-04 | 广西云涌科技有限公司 | A kind of chopper test ammeter box of function when possessing survey |
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2017
- 2017-06-13 CN CN201710441414.1A patent/CN107462830B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201654191U (en) * | 2010-04-23 | 2010-11-24 | 江苏中科时代电气制造股份有限公司 | Three-phase synchronization tester of breaker |
JP2015032420A (en) * | 2013-08-01 | 2015-02-16 | 三菱電機株式会社 | Earth leakage breaker |
CN103389462A (en) * | 2013-08-05 | 2013-11-13 | 北京慧智神光科技有限公司 | Method for detecting closing and opening synchronism of high-voltage circuit breaker |
CN103675666A (en) * | 2013-12-17 | 2014-03-26 | 国家电网公司 | Live line measurement device and method for breaker in different periods of time |
CN203606470U (en) * | 2013-12-17 | 2014-05-21 | 国家电网公司 | Asynchronous time live-line measuring device for circuit breaker |
CN105403828A (en) * | 2014-09-13 | 2016-03-16 | 哈尔滨理大晟源科技开发有限公司 | Method for measuring opening operation time of high voltage circuit breaker by using electric second meter |
CN106291024A (en) * | 2016-08-02 | 2017-01-04 | 广西云涌科技有限公司 | A kind of chopper test ammeter box of function when possessing survey |
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