CN107861058A - A kind of measurement apparatus and measuring method of vacuum circuit breaker divide-shut brake speed - Google Patents
A kind of measurement apparatus and measuring method of vacuum circuit breaker divide-shut brake speed Download PDFInfo
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- CN107861058A CN107861058A CN201711086728.0A CN201711086728A CN107861058A CN 107861058 A CN107861058 A CN 107861058A CN 201711086728 A CN201711086728 A CN 201711086728A CN 107861058 A CN107861058 A CN 107861058A
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- Prior art keywords
- circuit breaker
- vacuum circuit
- time
- sensor
- loop
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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
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
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- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
A kind of measurement apparatus and measuring method of vacuum circuit breaker divide-shut brake speed, including vacuum interrupter, move guide rod, transmission crank arm, sensor, time measurement system, the part such as support plate and arc-chutes support.The vacuum circuit breaker connects to form vacuum circuit breaker loop with time measurement system；The install sensor on vacuum circuit breaker, the sensor connect to form sensor loop with time measurement system；When circuit-breaker switching on-off operates, the accurate branch wire time of breaker is can obtain by using two loop break-make time of measuring differences.Using the technical program, to measure the time used in vacuum circuit breaker divide-shut brake, its is simple in construction, and the result measured will not be accurate by vibration effect, measurement result caused by vacuum circuit breaker divide-shut brake.
Description
Technical field
The present invention relates to the technical field of vacuum circuit breaker divide-shut brake speed measurement, a kind of particularly vacuum circuit breaker point
The measurement apparatus and measuring method of closing speed.
Background technology
Vacuum circuit breaker is a kind of electrical equipment applied and be widely used in mesohigh electric field, is connected and disjunction energy
Power is the major criterion whether vacuum circuit breaker meets requirement, therefore the separating brake of vacuum circuit breaker, closing speed are one important
Technical parameter.After vacuum breaker switch cabinet installation, its mechanical engagement, electrical coordination can directly be reflected by testing its speed
And the quality of performance.Therefore separating brake, closing speed are always the designing points of vacuum circuit breaker, in order to improve vacuum circuit breaker
Performance, designer must rationally design its opening velocity, so as to ensure its connect, interrupting performance.
The measurement of the divide-shut brake speed of vacuum circuit breaker at present is mainly completed by accurate swept resistance or grating, it
Stroke-time in separating brake, making process, the change curve of stroke-speed can be measured, can be in separating brake, combined floodgate overall process
Velocity variations carry out quantitative analysis.But this method will be joined directly together with breaker, the separating brake of breaker, moment of closing a floodgate can be by
Violent vibration is brought in the abrupt release of spring energy, this vibration can cause the shake of swept resistance or grating, can make
Into the inaccuracy of measurement data.Here it is in place of the deficiencies in the prior art.
The content of the invention
The technical problems to be solved by the invention, aiming at the deficiency present in prior art, and provide a kind of vacuum
The measurement apparatus and measuring method of circuit-breaker switching on-off speed, the speed of vacuum circuit breaker divide-shut brake can be accurately measured, and
Being vibrated when not by divide-shut brake is influenceed.
The present invention is achieved through the following technical solutions：
A kind of measurement apparatus of vacuum circuit breaker divide-shut brake speed, including time measurement system, the vacuum circuit breaker with
Time measurement system connects to form vacuum circuit breaker loop, the install sensor on vacuum circuit breaker, the sensor and time
Measuring system connects to form sensor loop；When vacuum circuit breaker circuit communication, the vacuum circuit breaker closes a floodgate, the sensing
Device loop disconnects；When vacuum circuit breaker loop disconnects, the vacuum circuit breaker separating brake, the sensor loop connection.Using
The technical program, be provided with vacuum circuit breaker loop and sensor loop, and passage time measuring system measures vacuum circuit breaker
Device loop and sensor loop break-make moment, to measure the time used in vacuum circuit breaker divide-shut brake, its is simple in construction, and surveys
The result of amount will not be influenceed by being vibrated caused by vacuum circuit breaker divide-shut brake, and measurement result is accurate.
Preferably, the dynamic guide rod for being connected and linking with vacuum circuit breaker plug-in strip is provided with the vacuum circuit breaker, it is described
Dynamic guide rod is connected with transmission crank arm；When vacuum circuit breaker circuit communication, the vacuum circuit breaker closes a floodgate, the transmission crank arm with
Sensor separates；When vacuum circuit breaker loop disconnects, the vacuum circuit breaker separating brake, the transmission crank arm connects with sensor
Connect.Using the technical program, during by transmission crank arm to realize vacuum circuit breaker circuit communication, the sensor loop disconnects；
When the vacuum circuit breaker loop disconnects, the sensor loop connection.
Preferably, the sensor is arranged on support plate, and the sensor includes the connecting rod being slidably matched with support plate, described
One end of connecting rod is provided with the shaft shoulder, and spring is provided between the shaft shoulder and support plate, and the spring is set on connecting rod, the company
The other end that bar is located at support plate is connected with stop nut.Using the technical program, when vacuum short-circuiting device separating brake, move guide rod and drive
Transmission crank arm is moved, and transmission crank arm can hit on a sensor, and sensor is arranged to said structure, can reduce transmission crank arm and hit
Hit and vibrated caused by sensor, improve the service life of sensor.
A kind of measuring method of vacuum circuit breaker divide-shut brake speed, the vacuum circuit breaker are connected into time measurement system
Vacuum circuit breaker galvanic circle, the install sensor on vacuum circuit breaker, the sensor are connected into biography with time measurement system
Sensor galvanic circle；When vacuum circuit breaker circuit communication, the vacuum circuit breaker closes a floodgate, and the sensor loop disconnects；When
When vacuum circuit breaker loop disconnects, the vacuum circuit breaker separating brake, the sensor loop connection, the survey of passage time measuring system
T2 at the time of t1 and sensor loop connect at the time of vacuum circuit breaker galvanic circle disconnects is obtained, the difference of the t2 and t1 are
The time of vacuum circuit breaker separating brake；Passage time measuring system measures t3 and vacuum circuit breaker at the time of sensor loop disconnects
T4 at the time of connection, the t4 and t3 difference are the time that vacuum circuit breaker closes a floodgate.It is true by setting using the technical program
Empty breaker loop and sensor loop, it can accurately measure the time used in vacuum circuit breaker divide-shut brake.
Preferably, the dynamic guide rod for being connected and linking with vacuum circuit breaker plug-in strip is provided with the vacuum circuit breaker, it is described
Dynamic guide rod is connected with transmission crank arm；When vacuum circuit breaker circuit communication, the vacuum circuit breaker closes a floodgate, the transmission crank arm with
Sensor separates；When vacuum circuit breaker loop disconnects, the vacuum circuit breaker separating brake, the transmission crank arm connects with sensor
Connect.Using the technical program, during by transmission crank arm to realize vacuum circuit breaker circuit communication, the sensor loop disconnects,
When the vacuum circuit breaker loop disconnects, the sensor loop connection.
Preferably, the sensor is arranged on support plate, and the sensor includes the connecting rod being slidably matched with support plate, described
One end of connecting rod is provided with the shaft shoulder, and spring is provided between the shaft shoulder and support plate, and the spring is set on connecting rod, the company
The other end that bar is located at support plate is connected with stop nut.Using the technical program, when vacuum short-circuiting device separating brake, move guide rod and drive
Transmission crank arm is moved, and transmission crank arm can hit on a sensor, and sensor is arranged to said structure, can reduce transmission crank arm and hit
Hit and vibrated caused by sensor, improve the service life of sensor.
As can be seen here, the present invention is compared with prior art, with prominent substantive distinguishing features and significantly progressive, its implementation
Beneficial effect be also obvious.
Brief description of the drawings
The present invention is explained below in conjunction with the accompanying drawings.
Fig. 1 is structural representation Fig. 1 of the divide-shut brake speed measurement apparatus of vacuum circuit breaker；
Fig. 2 is the composition structure chart of sensor.
In figure：1- vacuum interrupters, 2- move guide rod, 3- transmission crank arms, 4- sensors, 5- time measurement systems, 6- support plates,
7- arc-chutes supports, 8- connecting rods, the 9- shaft shoulders, 10- springs, 11- stop nuts.
I- vacuum circuit breakers loop, II- sensor loops.
Embodiment
Accompanying drawing 1 is a kind of specific embodiment of the invention.A kind of measurement dress of vacuum circuit breaker divide-shut brake speed of the invention
Put and measuring method, including vacuum interrupter 1, move guide rod 2, transmission crank arm 3, sensor 4, time measurement system 5, support plate 6,
Arc-chutes support 7.The sensor 4 is made up of connecting rod 8, the shaft shoulder 9, spring 10 and stop nut 11, and one end of the connecting rod 8 is set
The shaft shoulder 9 is equipped with, spring 10 is provided between the shaft shoulder 9 and support plate 6, the spring 10 is set on connecting rod 8, the connecting rod 8
Stop nut 11 is connected with positioned at the other end of support plate 6.It is provided with the vacuum circuit breaker 1 and is connected and links with its moving contact
Dynamic guide rod 2, be secured by bolts on arc-chutes support 7, the dynamic guide rod 2 is connected with transmission crank arm 3, and in arc-chutes branch
Can be with linear slide on frame 7；Transmission crank arm 3 is fixed on arc-chutes support 7 by axle, and side carries out phase with dynamic guide rod 2 with axle
Even, opposite side is in contact or separated with sensor 4, and sensor 4 is fixed on arc-chutes support 7 by support plate 6.
Loop I is by the both ends lead of vacuum interrupter 1 to time measurement system 5；Loop II draws through transmission crank arm 3 respectively
Line, the lead of sensor 4 to time measurement system 5.
When vacuum circuit breaker 1 carries out sub-switching operation, loop I switchs to disconnect by connecting, and records time t1；Work as vacuum circuit breaker
1 separating brake on earth when, now loop II connect, record time t2.When time t2 and t1 difference are the separating brake of vacuum circuit breaker 1
Between.
When vacuum circuit breaker 1 carries out closing operation, loop II switchs to disconnect by connecting, and records time t3；Work as vacuum circuit breaker
When device 1 is closed a floodgate on earth, now loop I is connected, and records time t4.When time t4 and t3 difference are the combined floodgate of vacuum circuit breaker 1
Between.
The present invention is not limited to the above-described embodiments, anyone should learn the present invention enlightenment under make with the present invention
With same or like technical scheme, each fall within protection scope of the present invention.
The present invention be not described in detail technology, shape, construction part be known technology.
Claims (2)
1. a kind of measurement apparatus and measuring method of vacuum circuit breaker divide-shut brake speed, including vacuum interrupter, moving guide rod, pass
Dynamic connecting lever, sensor, time measurement system, support plate, arc-chutes support；The sensor is by connecting rod, the shaft shoulder, spring and spacing spiral shell
Mother's composition, one end of the connecting rod is provided with the shaft shoulder, spring is provided between the shaft shoulder and support plate, the spring is set in company
On bar, the other end that the connecting rod is located at support plate is connected with stop nut；It is provided with the vacuum circuit breaker and its moving contact
The dynamic guide rod for being connected and linking, is secured by bolts on arc-chutes support, the dynamic guide rod is connected with transmission crank arm, and is going out
Can be with linear slide on arc chamber support；Transmission crank arm is fixed on arc-chutes support by axle, and side is carried out with dynamic guide rod with axle
It is connected, opposite side is in contact or separated with sensor, and sensor is fixed on arc-chutes support by support plate；Loop I is by vacuum
The both ends lead of arc-chutes is to time measurement system；Loop II is respectively through transmission crank arm lead, sensor lead to time measurement
System.
2. the measurement apparatus and measuring method of a kind of vacuum circuit breaker divide-shut brake speed according to claim 1, it is special
Sign is：When vacuum circuit breaker carries out sub-switching operation, loop I switchs to disconnect by connecting, and records time t1；When vacuum breaker open operation
When on earth, now loop II is connected, and records time t2；Time t2 and t1 difference are the opening time of vacuum circuit breaker 1；Vacuum
When breaker carries out closing operation, loop II switchs to disconnect by connecting, and records time t3；When vacuum breaker closing on earth when,
Now loop I is connected, and records time t4.Time t4 and t3 difference are the closing time of vacuum circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711086728.0A CN107861058A (en) | 2017-11-07 | 2017-11-07 | A kind of measurement apparatus and measuring method of vacuum circuit breaker divide-shut brake speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711086728.0A CN107861058A (en) | 2017-11-07 | 2017-11-07 | A kind of measurement apparatus and measuring method of vacuum circuit breaker divide-shut brake speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107861058A true CN107861058A (en) | 2018-03-30 |
Family
ID=61701262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711086728.0A Pending CN107861058A (en) | 2017-11-07 | 2017-11-07 | A kind of measurement apparatus and measuring method of vacuum circuit breaker divide-shut brake speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107861058A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201336243Y (en) * | 2008-12-25 | 2009-10-28 | 山东泰开高压开关有限公司 | Separating brake system for GIS circuit breaker |
| RU2382431C1 (en) * | 2008-06-17 | 2010-02-20 | Общество с ограниченной ответственностью "Технос" | Fast-acting circuit breaker with sensor of anchor motion speed and device for control of electromagnet coil current |
| CN202975272U (en) * | 2012-11-23 | 2013-06-05 | 安徽省电力公司阜阳供电公司 | On-line monitoring device for connecting and disconnecting time of high voltage breaker |
| CN204142921U (en) * | 2014-10-20 | 2015-02-04 | 苏州工业职业技术学院 | Vacuum circuit breaker contact proving installation |
| 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 |
| CN106885983A (en) * | 2015-12-15 | 2017-06-23 | 江苏德春电力科技股份有限公司 | Breaker mechanic property on-Line Monitor Device |
| CN107179500A (en) * | 2017-06-19 | 2017-09-19 | 国家电网公司 | The method that branch wire time is measured during breaker two-terminal-grounding based on orthogonal pulses |
| CN107887224A (en) * | 2017-10-24 | 2018-04-06 | 山东泰开高压开关有限公司 | The divide-shut brake speed measurement apparatus and measuring method of a kind of vacuum circuit breaker |
| CN207398016U (en) * | 2017-10-24 | 2018-05-22 | 山东泰开高压开关有限公司 | A kind of divide-shut brake speed measuring device of vacuum circuit breaker |
-
2017
- 2017-11-07 CN CN201711086728.0A patent/CN107861058A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2382431C1 (en) * | 2008-06-17 | 2010-02-20 | Общество с ограниченной ответственностью "Технос" | Fast-acting circuit breaker with sensor of anchor motion speed and device for control of electromagnet coil current |
| CN201336243Y (en) * | 2008-12-25 | 2009-10-28 | 山东泰开高压开关有限公司 | Separating brake system for GIS circuit breaker |
| CN202975272U (en) * | 2012-11-23 | 2013-06-05 | 安徽省电力公司阜阳供电公司 | On-line monitoring device for connecting and disconnecting time of high voltage 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 |
| CN204142921U (en) * | 2014-10-20 | 2015-02-04 | 苏州工业职业技术学院 | Vacuum circuit breaker contact proving installation |
| CN106885983A (en) * | 2015-12-15 | 2017-06-23 | 江苏德春电力科技股份有限公司 | Breaker mechanic property on-Line Monitor Device |
| CN107179500A (en) * | 2017-06-19 | 2017-09-19 | 国家电网公司 | The method that branch wire time is measured during breaker two-terminal-grounding based on orthogonal pulses |
| CN107887224A (en) * | 2017-10-24 | 2018-04-06 | 山东泰开高压开关有限公司 | The divide-shut brake speed measurement apparatus and measuring method of a kind of vacuum circuit breaker |
| CN207398016U (en) * | 2017-10-24 | 2018-05-22 | 山东泰开高压开关有限公司 | A kind of divide-shut brake speed measuring device of vacuum circuit breaker |
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Application publication date: 20180330 |