CN102508187B - Speed parameter calibrating device of high-voltage switch mechanical characteristic tester - Google Patents
Speed parameter calibrating device of high-voltage switch mechanical characteristic tester Download PDFInfo
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- CN102508187B CN102508187B CN 201110389552 CN201110389552A CN102508187B CN 102508187 B CN102508187 B CN 102508187B CN 201110389552 CN201110389552 CN 201110389552 CN 201110389552 A CN201110389552 A CN 201110389552A CN 102508187 B CN102508187 B CN 102508187B
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Abstract
The invention provides a speed parameter calibrating device of a high-voltage switch mechanical characteristic tester, which comprises a permanent magnet mechanism, an adjustable fulcrum, a lever, a moving component and a standard sensor. A second groove is disposed in the middle of the lever, and the adjustable fulcrum is arranged in the second groove. The permanent magnet mechanism comprises a moving rod. One end of the lever is connected with the moving rod, and the other end of the lever is connected with the moving component. One end of the moving component is connected with the standardsensor, and the other end of the moving component is connected with a to-be-detected sensor. A lever mechanism of the speed parameter calibrating device utilizes a mechanical device to generate movement and drives a speed measurement sensor of a to-be-detected switch device while driving the standard sensor to measure, the to-be-detected switch device also measures the movement speed, and error of a to-be-detected device can be known by comparing results of the two measurements. The speed parameter calibrating device is high in automation degree, high in time parameter accuracy, simple in examination wiring and high in work efficiency.
Description
[technical field]
The present invention relates to the high-tension switch gear technical field of measurement and test, particularly a kind of speed parameter calibrating device of high-voltage switch mechanical characteristic tester.
[background technology]
High-voltage switch gear (isolating switch) is control and protection equipment important in the electric system, and the reliability of switchgear mechanical aspects has very important impact to the characteristic of equipment.In the electric system preventive trial, the detection of its mechanical property occupies an important position.No matter power circuit is in any state, for example unloaded, load or short circuit, and when requiring the isolating switch action, it should be able to action message, or closes and close, or disconnecting circuit.Isolating switch excises faulty component from electrical network when power circuit or device fails fast, guarantees the normal operation of electrical network non-fault part.The mechanical property parameter is to judge the key parameter of high-voltage switch gear performance, and the function of high-voltage switch mechanical characteristic tester is exactly to measure the instrument of High Voltage Breaker Mechanical Characteristic parameter, and speed parameter is its major parameter.The kind of China's high-voltage switch mechanical characteristic tester is a lot, and automaticity is also very high, but corresponding calibrating installation relatively lags behind, and the accuracy of life period parameter is low, and device therefor is various, and the verification wiring is complicated, the shortcomings such as inefficiency.
[summary of the invention]
The object of the present invention is to provide a kind of speed parameter calibrating device of high-voltage switch mechanical characteristic tester, to solve the problems of the technologies described above.
To achieve these goals, the present invention adopts following technical scheme:
A kind of speed parameter calibrating device of high-voltage switch mechanical characteristic tester, the tested sensor for the calibration high-voltage switch mechanical characteristic tester comprises permanent magnet mechanism, adjustable fulcrum, lever, moving component and standard transducer; Described lever middle part is provided with the second groove, and described adjustable fulcrum is arranged in described the second groove; Described permanent magnet mechanism comprises a lever; Described lever one end connects described lever, and the other end connects described moving component; Described moving component one end connects described standard transducer, and the other end connects tested sensor.
Two ends, the left and right sides also are provided with the first groove and three-flute on the lever; Lever is provided with the first fulcrum, and the first fulcrum is arranged in the three-flute; The second fulcrum that moving component is provided with, described the second fulcrum is arranged in the first groove.
Described moving component is shaft-like, and it is installed between two pairs of guide wheels.
Described calibrating installation comprises a housing, and the end that moving component connects tested sensor extends described housing.
Described permanent magnet mechanism, adjustable fulcrum, lever and standard transducer are arranged in the described housing; Described housing has a panel, and described panel is provided with sensor interface, distance adjustment knob, power interface; Described sensor interface connects described standard transducer; Described distance adjustment knob connects described adjustable fulcrum; Described power interface connects described permanent magnet mechanism.
The present invention has following beneficial effect: leverage of the present invention utilizes mechanical hook-up to produce motion, when the drive standard transducer is measured, drive is by the tachogenerator of slowdown monitoring switch instrument, also this movement velocity is measured by the slowdown monitoring switch instrument, result to the two compares, and namely knows the error of tested instrument; This calibrating installation is exported control signal and rate signal, can make things convenient for working control signal and the mechanical action of simulated high-pressure switch, is used for the velocity characteristic of calibration high-voltage switch mechanical characteristic tester, can make it conveniently carry out the magnitude tracing of speed amount; This calibrating installation automaticity is high, and the time parameter accuracy is high, and the verification wiring is simple, high efficiency.
[description of drawings]
The principle sketch of Fig. 1 speed parameter calibrating device;
The panel sketch of Fig. 2 speed parameter calibrating device;
Fig. 3 is the control device synoptic diagram of permanent magnet mechanism;
Fig. 4 is the workflow diagram of apparatus of the present invention.
Among the figure: the 1--permanent magnet mechanism; The 2--adjustable fulcrum; The 3--lever; The 4--moving component; The 5--standard transducer; The tested sensor of 6--; The 7--vernier caliper; 8--enabling signal input jack+; 9--enabling signal input jack-; 10--fracture signal output terminal; The 11--sensor interface; 12--distance adjustment knob; The 13--power control switch; The 14--power interface; The 15--ground terminal; The 31--groove; The 32--groove; The 33--groove; The 41--fulcrum; The 101--lever; The 102--fulcrum.
[embodiment]
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail:
See also shown in Figure 1ly, the speed parameter calibrating device of a kind of high-voltage switch mechanical characteristic tester of the present invention comprises: permanent magnet mechanism 1, adjustable fulcrum 2, lever 3, moving component 4, standard transducer 5, tested sensor 6 and vernier caliper 7.
Permanent magnet mechanism 1 comprises a vertical lever 101, and lever 101 is provided with a fulcrum 102; Be provided with successively from left to right groove 31, groove 32, groove 33 on the lever 3; The fulcrum 102 of permanent magnet mechanism 1 is arranged in the groove 33; Adjustable fulcrum 2 is arranged in the groove 32; Fulcrum 41 on the moving component 4 is arranged in the groove 31.Moving component 4 is stuck between two pairs of guide wheels, and moving component 4 is vertically moved.Permanent magnet mechanism 1 charging, the electromagnet that arranges by inside can drive the motion of lever 101 in the vertical directions, provides power to make lever 3 motions.The distance adjustment button 12 of the position of adjustable fulcrum 2 by calibrating installation regulated, but thereby and then the arm of force length of adjustment (adjusting) lever 3 distance of moving component 4 is changed, vernier caliper 7 is for detection of these data.Standard transducer 5 is connected with moving component 4 with tested sensor 6, for detection of the high-voltage switch mechanical characteristic tester velocity characteristic.
Its method is to utilize mechanical hook-up to produce motion, when drive standard transducer 5 is measured, drive is by the tachogenerator 6 of slowdown monitoring switch instrument, also this movement velocity is measured by the slowdown monitoring switch instrument, the two result is compared, namely know the error of tested instrument.
Permanent magnet mechanism 1 is adopted in the power section of this programme, and it is simple in structure, reliable operation, and speed is easy to adjust.The about 12mm of the stroke of this mechanism is about the about 1m/s of speed.Be increase stroke and velocity amplitude, and realize that size is adjustable, adopt the adjustable leverage of the arm of force.
See also Fig. 2 and shown in Figure 3, be the panel sketch of calibrating installation; Panel is provided with enabling signal input jack 8, enabling signal input jack 9, fracture signal output terminal 10, sensor interface 11, distance adjustment knob 12, power control switch 13, power interface 14, ground terminal 15; The signal that standard transducer 5 generates transfers to computing machine through sensor signal interface 11.Distance adjustment knob 12 is used for adjustment (adjusting) lever fulcrum 2, thus the distance of adjustment movement parts 4 motions.Power interface 14 provides power for permanent magnet mechanism 1.Input jack 8,9 is used for input control signal, the startup of control permanent magnet mechanism 1, and the speed of permanent magnet mechanism 1 is the height decision by institute's charging voltage on it.Input jack 8, the 9th directly connects the differentiating circuit that starts usefulness, sends enabling signal by the conversion of solid-state relay optocoupler, makes actuating of relay capacitor discharge, causes the action of permanent magnet mechanism 1.
See also shown in Figure 4ly, when system starts, start simultaneously mechanical movement device and microprocessor data acquisition system, sensor (standard transducer and by the school Instrument sensor) signal is gathered; Serve bit machine after the arrangement and calculate, analyze, provide corresponding velocity amplitude.Operating personnel input the velocity amplitude of tested switch instrument simultaneously, as the detection record of this responsiveness amount.The governing speed shelves., carry out again next operation.Thereby obtain the error amount under the friction speed value, and generate report.
Claims (5)
1. the speed parameter calibrating device of a high-voltage switch mechanical characteristic tester, the tested sensor (6) that is used for the calibration high-voltage switch mechanical characteristic tester, it is characterized in that, comprise permanent magnet mechanism (1), adjustable fulcrum (2), lever (3), moving component (4) and standard transducer (5); Described lever (3) middle part is provided with the second groove (32), and described adjustable fulcrum (2) is arranged in described the second groove (32); Described permanent magnet mechanism (1) comprises a lever (101); Described lever (3) one ends connect described lever (101), and the other end connects described moving component (4); Described moving component (4) one ends connect described standard transducer (5), and the other end connects tested sensor (6).
2. the speed parameter calibrating device of a kind of high-voltage switch mechanical characteristic tester as claimed in claim 1 is characterized in that, the upper two ends, the left and right sides of lever (3) also are provided with the first groove (31) and three-flute (33); Lever (101) is provided with the first fulcrum (102), and the first fulcrum (102) is arranged in the three-flute (33); Moving component (4) is provided with the second fulcrum (41), and described the second fulcrum (41) is arranged in the first groove (31).
3. a kind of speed parameter calibrating device of high-voltage switch mechanical characteristic tester as claimed in claim 2 is characterized in that described moving component (4) is shaft-like, and it is installed between two pairs of guide wheels.
4. a kind of speed parameter calibrating device of high-voltage switch mechanical characteristic tester as claimed in claim 1 is characterized in that described calibrating installation comprises a housing, and the end that moving component (4) connects tested sensor (6) extends described housing.
5. a kind of speed parameter calibrating device of high-voltage switch mechanical characteristic tester as claimed in claim 4 is characterized in that described permanent magnet mechanism (1), adjustable fulcrum (2), lever (3) and standard transducer (5) are arranged in the described housing; Described housing has a panel, and described panel is provided with sensor interface (11), distance adjustment knob (12), power interface (14); Described sensor interface (11) connects described standard transducer (5); Described distance adjustment knob (12) connects described adjustable fulcrum (2); Described power interface (14) connects described permanent magnet mechanism (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110389552 CN102508187B (en) | 2011-11-30 | 2011-11-30 | Speed parameter calibrating device of high-voltage switch mechanical characteristic tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110389552 CN102508187B (en) | 2011-11-30 | 2011-11-30 | Speed parameter calibrating device of high-voltage switch mechanical characteristic tester |
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| Publication Number | Publication Date |
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| CN102508187A CN102508187A (en) | 2012-06-20 |
| CN102508187B true CN102508187B (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110389552 Active CN102508187B (en) | 2011-11-30 | 2011-11-30 | Speed parameter calibrating device of high-voltage switch mechanical characteristic tester |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106610336A (en) * | 2015-10-27 | 2017-05-03 | 中国电力科学研究院 | Rotating speed measuring and calibrating device for high-voltage switch tester |
| CN105277911B (en) * | 2015-11-26 | 2018-09-11 | 云南电网有限责任公司电力科学研究院 | High-voltage breaker explosion chamber simulation system and tester assessment system |
| CN105372051A (en) * | 2015-11-27 | 2016-03-02 | 广东电网有限责任公司电力科学研究院 | Detection device of mechanical characteristics of linear-rotary dual-purpose breaker |
| CN112924916A (en) * | 2021-01-29 | 2021-06-08 | 云南电网有限责任公司电力科学研究院 | Calibration device and method for speed characteristic tester of circuit breaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2600819Y (en) * | 2002-09-22 | 2004-01-21 | 西安高压电器研究所 | Device for measuring voltage and current of high-tension switch equipment |
| CN101666866A (en) * | 2008-09-04 | 2010-03-10 | 哈尔滨理工大学 | Checking device for high-voltage switch property test instrument |
| CN201697799U (en) * | 2010-06-18 | 2011-01-05 | 云南电力试验研究院(集团)有限公司 | Device simulating action characteristics of circuit breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008025866B4 (en) * | 2008-05-29 | 2011-04-14 | Spektra Schwingungstechnik Und Akustik Gmbh Dresden | Method and device for calibrating acceleration and force sensors |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2600819Y (en) * | 2002-09-22 | 2004-01-21 | 西安高压电器研究所 | Device for measuring voltage and current of high-tension switch equipment |
| CN101666866A (en) * | 2008-09-04 | 2010-03-10 | 哈尔滨理工大学 | Checking device for high-voltage switch property test instrument |
| CN201697799U (en) * | 2010-06-18 | 2011-01-05 | 云南电力试验研究院(集团)有限公司 | Device simulating action characteristics of circuit breaker |
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| CN102508187A (en) | 2012-06-20 |
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Effective date of registration: 20210819 Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. Address before: 710075 Shaanxi city of Xi'an Province Tang Hing Road No. 7 Patentee before: CHINA XD ELECTRIC Co.,Ltd. |
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Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: Xi'an High Voltage Electrical Apparatus Research Institute Co.,Ltd. Address before: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee before: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. |