CN105277881A - Multifunctional testing device for mechanical properties of high voltage vacuum circuit breaker - Google Patents
Multifunctional testing device for mechanical properties of high voltage vacuum circuit breaker Download PDFInfo
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- CN105277881A CN105277881A CN201510821696.9A CN201510821696A CN105277881A CN 105277881 A CN105277881 A CN 105277881A CN 201510821696 A CN201510821696 A CN 201510821696A CN 105277881 A CN105277881 A CN 105277881A
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Abstract
A multifunctional testing device for mechanical properties of a high voltage vacuum circuit breaker, comprises: a frame constituted of upper and lower horizontal plates (7, 5) and left and right vertical pillars (6); a sleeve (8) and a simulation pull rod (4). The sleeve passes through and is fixed in a distance adjustment through hole of the upper horizontal plate. A large hole (31) of the sleeve (8) is provided with a linear displacement sensor (12) therein. A small hole (32) of the sleeve (8) is used for passing through of a signal input rod (13). The lower end of the sleeve (8) is fixedly connected to a force sensor (14). The lower end of the signal input rod is connected to the upper end of the simulation pull rod. The upper end of the simulation pull rod is threadedly connected to a flange (9), and the lower end of the simulation pull rod slidably passes through a guide hole (24) of the upper horizontal plate and extends downward from the frame and then is connected to a rotation bracket (3) of a circuit breaker connecting rod (2). A velocity sensor (16) and an acceleration sensor (15) are assembled in a large installing hole (22) and a small installing hole (21) of the flange (9) respectively. By use of the multifunctional testing device, the displacement data, the velocity data, the acceleration data and the counter-force data of a moving contact of a circuit breaker can be measured and obtained simultaneously so that the requirement of failure diagnosis of a circuit breaker is met.
Description
Technical field
The present invention relates to a kind of multifunctional high pressure vacuum breaker mechanical features proving installation.
Background technology
Isolating switch is one of most important equipment of electric system, it in electric system, play two in effect: control and protection.Therefore, the safe and stable operation of isolating switch to electrical network plays vital effect.
The mechanical property of isolating switch is one of important indicator weighing breaker reliability.In isolating switch type approval test, delivery test and fault diagnosis, the measurement of breaker mechanic property has been one of the performance index and the normal important means run that ensure isolating switch.Existing breaker mechanic property proving installation major part can only measure the displacement of moving contact, and measurement data is single, cannot meet the demand of circuit breaker failure diagnosis.
Summary of the invention
Technical matters to be solved by this invention, just be to provide a kind of multifunctional high pressure vacuum breaker mechanical features proving installation, can measure simultaneously obtain moving contact of breaker displacement, speed, acceleration and counter-force various data, meet circuit breaker failure diagnosis requirement.
Solve the problems of the technologies described above, the technical solution adopted in the present invention is as follows:
A kind of multifunctional high pressure vacuum breaker mechanical features proving installation, comprise linear displacement transducer 12, force snesor 14, speed pickup 16 and acceleration transducer 15, described linear displacement transducer 12 is furnished with signal input lever 13; It is characterized in that also comprising:
One framework be made up of upper lower cross plate 7,5 and left and right pillar 6: upper cross plate 7 is long shaped plate, centre, plate face has roll adjustment through hole 38, both sides have lower large little stair-stepping bolt mounting holes 39, side and are also provided with set screw hole 40; Lower cross plate 5 is plectane, and centre has pilot hole 24, has mounting hole 26 and positioning through hole 25 around; The upper end of left and right pillar 6 is provided with internal thread hole 36, lower end is provided with internal thread hole 37, hypomere outside surface is provided with convex shoulder 35;
One sleeve 8, for being provided with the ladder pipe of up big and down small endoporus 31 and 32, outside surface centre is provided with convex shoulder 29, lower end is provided with external thread 30 for it, upper end wall is provided with two corresponding radial clamp screw pits 27;
One simulation pull bar 4, upper end is provided with external thread 18 and threaded hole 17, lower end is provided with threaded hole 19, central exterior surface is provided with convex shoulder;
One up big and down small ladder circular disk-shaped flanges 9, small end is provided with threaded hole 20, large end plate face is provided with little mounting hole 21 and large mounting hole 22;
Described sleeve 8 passes and available holding screw is fixed in the roll adjustment through hole in the middle of upper cross plate 7, be provided with linear displacement transducer 12 in the macropore 31 of sleeve 8, aperture 32 passes for signal input lever 13, lower end is threaded connection and is fixed with force snesor 14, signal input lever 13 lower end is connected with the upper end of simulation pull bar 4;
Threaded upper ends joint flange 9, the lower end of described simulation pull bar 4 are connected by pull bar hexagonal nut 10 with the runing rest 3 on the connecting rod 2 of tested isolating switch after stretching for 24 through upper cross plate 5 pilot hole slidably in framework;
On the large mounting hole 22 that described speed pickup 16 and acceleration transducer 15 are fixedly assemblied in flange 9 and little mounting hole 21.
The course of work:
During multifunctional high pressure vacuum breaker mechanical features proving installation work of the present invention, runing rest on the connecting rod of simulation pull bar and isolating switch is fixed together, the other end and the flange of simulation pull bar are threaded togather, under the guiding function of simulation pull bar pilot hole on lower cross plate, complete the expanding-contracting action of moving contact.Like this, when installing linear displacement transducer, the signal input lever of simulation pull bar and linear displacement transducer is connected, and drives the signal input lever synchronization action of linear displacement transducer, and then completes the test job of moving contact of breaker displacement; When installation rate sensor and acceleration transducer, the flange be fixedly connected with simulation pull bar will drive speed pickup and acceleration transducer synchronization action, and then complete the test job of moving contact of breaker speed and acceleration; When installing force sensor, flange impact sensor under the drive of simulation pull bar, and then measure the test job of moving contact of breaker counter-force.
Beneficial effect: this device combines the characteristic of linear displacement transducer, force snesor, speed pickup and acceleration transducer, devise the sleeve can installing fixing linear displacement transducer and force snesor and the flange that fixed speed sensor and acceleration transducer can be installed, achieve a device and do not replace the function that any part just can install dissimilar sensor, and then solve the single problem of existing breaker mechanic property measurement device data.
Accompanying drawing explanation
Fig. 1 is multifunctional high pressure vacuum breaker mechanical features proving installation example structure schematic diagram of the present invention;
Fig. 2 is the structural representation after linear displacement transducer installed by proving installation shown in Fig. 1;
Fig. 3 is the structural representation after the installing force of proving installation shown in Fig. 1 sensor;
Fig. 4 is the structural representation after the installation rate sensor of proving installation shown in Fig. 1 and acceleration transducer;
Fig. 5 is the structural representation of simulating pull bar in Fig. 1;
Fig. 6 is the structural representation of flange in Fig. 1;
Fig. 7 is the vertical view of flange shown in Fig. 6;
Fig. 8 is the structural representation of lower cross plate in Fig. 1;
Fig. 9 is the structural representation of Fig. 1 middle sleeve;
Figure 10 is the A-A cross section view of sleeve shown in Fig. 9;
Figure 11 is the structural representation of Fig. 1 central post;
Figure 12 is the structural representation of upper cross plate in Fig. 1;
Figure 13 is the vertical view of upper cross plate shown in Figure 12.
In figure, component names and respective figure mark as follows:
Isolating switch frame-1, isolating switch connecting rod-2, isolating switch connecting rod runing rest-3, simulation pull bar-4, lower cross plate-5, column-6, upper cross plate-7, sleeve-8, flange-9, pull bar hexagonal nut-10, column hexagonal nut-11, linear displacement transducer-12, signal input lever-13, force snesor-14, acceleration transducer-15, speed pickup-16, simulation pull bar upper end internal thread hole-17, simulation pull bar upper external screw thread 18, simulation pull bar lower end external thread-19, flange internal thread through hole-20, the little mounting hole-21 of flange, the large mounting hole-22 of flange, the large end-23 of flange, lower cross plate pilot hole-24, lower cross plate positioning through hole-25, lower cross plate mounting hole-26, sleeve set screw hole-27, sleeve shoulder-29, sleeve lower end external thread-30, sleeve macropore-31, sleeve aperture-32, column lower end outside surface-33, column shoulder-35, column upper end internal thread hole-36, column lower end internal thread hole-37, upper cross plate roll adjustment through hole-38, upper cross plate bolt mounting holes-39, upper cross plate set screw hole-40.
Embodiment
See Fig. 1-Figure 13, multifunctional high pressure vacuum breaker mechanical features proving installation embodiment of the present invention, comprise linear displacement transducer 12, force snesor 14, speed pickup 16 and acceleration transducer 15, linear displacement transducer 12 is furnished with signal input lever 13.
Also comprise a framework be made up of upper lower cross plate 7,5 and left and right pillar 6: upper cross plate 7 is long shaped plate, have roll adjustment through hole 38 in the middle of plate face, both sides have lower large little stair-stepping bolt mounting holes 39, a side of plate is also provided with set screw hole 40; Lower cross plate 5 is plectane, and centre has pilot hole 24, has mounting hole 26 and positioning through hole 25 around; Column 6 upper end is provided with internal thread hole 36, lower end is provided with internal thread hole 37, hypomere outside surface is provided with convex shoulder 35; And a sleeve 8, for being provided with the ladder pipe of up big and down small endoporus 31 and 32, being provided with convex shoulder 29 in the middle of its outside surface, lower end is provided with external thread 30, upper end wall is provided with two corresponding radial clamp screw pits 27; One simulation pull bar 4, upper end is provided with external thread 18 and internal thread hole 17, lower end is provided with outside threaded holes 19, central exterior surface is provided with convex shoulder; One up big and down small ladder circular disk-shaped flanges 23, small end is provided with internal thread hole 20, large end plate face is provided with little mounting hole 21 and large mounting hole 22.
Sleeve 8 passes and available holding screw is fixed in the intermediate throughholes of upper cross plate 7, is placed with linear displacement transducer 12, aperture 32 passes for signal input lever 13, lower end is threaded connection and is fixed with force snesor 14 in the macropore 31 of sleeve 8; Upper end mounting flange 9, the lower end of simulation pull bar 4 are connected by pull bar hexagonal nut 10 with the runing rest 3 on the connecting rod 2 of isolating switch after stretching for 24 through upper cross plate 5 pilot hole slidably in framework; On the large mounting hole 22 that speed pickup 16 and acceleration transducer 15 are fixedly assemblied in flange 9 and little mounting hole 21.
Lower cross plate is fixing on-board the circuit breaker by bolt mounting holes in isolating switch frame, is convenient to the axis determining moving contact telescopic direction, and then effectively can improves measuring accuracy; Lower cross plate arranges pilot hole, by the guiding of pilot hole to simulation pull bar, and then protection linear displacement transducer; Simulation pull bar is threaded with flange, like this can the distance of regulating flange and force snesor, makes when simulation backward stick action, flange and force snesor effective collision, and then can effectively measure moving contact counter-force; Linear displacement transducer is assembled together by sleeve and upper cross plate, to be coordinated by the roll adjustment through hole with upper cross plate removable and the clamp screw pit of upper cross plate side can regulate the position of linear displacement transducer, be convenient to realize the signal input lever of linear displacement transducer and being fixedly connected with of simulation railing; Column is fixedly assembled together by internal thread hole and isolating switch frame and upper cross plate, makes the one-piece construction of device simple and reliable.
Specific works process:
As shown in Figure 1, when being installed on-board the circuit breaker by proving installation, simulation pull bar 4 is fixedly assembled together with the runing rest 3 of isolating switch, under pilot hole 24 guide effect of lower cross plate 5, completes the expanding-contracting action of moving contact.
As shown in Figure 2, when linear displacement transducer 12 is installed, sleeve 8 is fixedly assemblied on upper cross plate 7 by roll adjustment through hole 38 and set screw hole 40, and the signal input lever 13 of linear displacement transducer 12 on sleeve 8 is fixed together with simulation pull bar, when simulating pull bar 4 and being flexible under breaker driving mechanism drives, simulation pull bar 4 synchronously drives signal input lever 13 expanding-contracting action, and then exports test signal by linear displacement transducer 12.
As shown in Figure 3, during installing force sensor 14, after sleeve 8 moved to making shoulder 29 be close to upper cross plate 7 lower surface, be assemblied on upper cross plate 7 with holding screw by fastening for sleeve 8, when simulating pull bar 4 and being flexible under breaker driving mechanism drives, simulation pull bar 4 synchronously drives flange 9 impact sensor 14, and then export test signal by force snesor 14, and be close to upper cross plate 4 due to the shoulder 29 of sleeve 8, the impact of such simulation pull bar 4 arrives sleeve 8 via force snesor 1, pass on upper cross plate 7 by the shoulder 29 of sleeve 8 again, and then can not be destroyed by available protecting proving installation, improve test accuracy.
As shown in Figure 4, installation rate sensor 16 and acceleration transducer 15, flange 9 is arranged on simulation pull bar, when simulating pull bar 4 and being flexible under breaker driving mechanism drives, simulation pull bar 4 synchronously drives speed pickup 16 and acceleration transducer 15 action, and then exports test signal by speed pickup 16 and acceleration transducer 15.Due to proving installation do not need renewal part just can install fixing linear displacement transducer, force snesor, speed pickup and and speed pickup, and then achieve a device and can measure polytype test volume.
Simulation pull bar 4 is fixedly connected with the runing rest 3 on isolating switch connecting rod 2 with hexagonal nut 10 by external thread 19, under the guide effect of the pilot hole 24 of simulation pull bar 4 on lower cross plate 5, the expanding-contracting action of mimic-disconnecting switch moving contact pull bar, lower cross plate 5 has the bolt mounting holes 26 corresponding with the mounting hole in the frame 1 of isolating switch, lower cross plate 5 is fixedly assembled together by the frame 1 of bolt and isolating switch in use, positioning through hole 25 on lower cross plate 5 is for coordinating to make two columns 6 align with the corresponding mounting hole offered in the frame 1 of isolating switch with column 6 upper surface 33, shoulder 35 on column 6 limits the length of fit of column 6 and lower cross plate 5, the two ends of column 6 are respectively equipped with internal thread hole 36 and internal thread hole 37, the corresponding mounting hole offered in the frame 1 of isolating switch is utilized fixedly to be assemblied in the frame 1 of isolating switch by column 6 by bolt and internal thread hole 37.Upper cross plate 7 offers the bolt mounting holes 39 corresponding with the internal thread hole 36 of column 6, upper cross plate 7 is fixedly assembled together by bolt and column 10 in use, upper cross plate 7 is provided with the roll adjustment through hole 38 of locating fixed muffle 8, and upper cross plate 7 side is provided with the set screw hole 40 for fastening sleeve 8.Sleeve 8 inside is set to shoulder hole, macropore 31 and aperture 32 respectively, sleeve 8 is herein structure as shown in Figure 10, macropore 31 puts into linear displacement transducer 12, by the set screw hole 27 on sleeve 8 by fastening for linear displacement transducer 12, aperture 32 passes for signal input lever 13, and one end of sleeve 8 is provided with external thread 30, the mode bed knife sensor 14 be threaded connection.Flange 9 is provided with internal thread through hole 20, and flange 9 is linked together by the external thread 18 on simulation pull bar 4 and simulation pull bar 4.
Linear displacement transducer 12 is fixedly assembled together by sleeve 8 and upper cross plate 7, described linear displacement transducer 12 is arranged in the macropore 31 of sleeve 8, by holding screw, linear displacement transducer 12 is fastened in sleeve 8, after linear displacement transducer 12 is fixed, the roll adjustment through hole 38 that described sleeve 8 is provided with along upper cross plate 7 is movably assemblied on upper cross plate 7, and is fixed on upper cross plate 7 by sleeve 8 by holding screw.Linear displacement transducer 12 have for the signal input lever 13 that is connected of simulation pull bar 4, the internal thread hole 17 for connecting for the signal input lever 13 of linear displacement transducer 12 is provided with in one end correspondence of simulation pull bar 4, by the screw thread in signal input lever 13, signal input lever is fixedly connected on simulation pull bar 4, the proving installation of linear displacement transducer is now installed as shown in Figure 2.
Force snesor 14 is fixedly assembled together by sleeve 8 and upper cross plate 7, described force snesor 14 is fixed together with sleeve 8 by the external thread 30 of sleeve 8, now sleeve 8 is movably assemblied on upper cross plate 7 along the roll adjustment through hole 38 on upper cross plate 7, after sleeve 8 moved to making shoulder 29 be close to upper cross plate 7, be assemblied on upper cross plate 7 with holding screw by fastening for sleeve 8, now the proving installation of installing force sensor as shown in Figure 3.
Speed pickup 16 and acceleration transducer 15 are fixedly assemblied on flange 9, correspondingly with the fixed orifice of speed pickup 16 and acceleration transducer 15 on flange 9 offer mounting hole 22 and mounting hole 21, be fixedly mounted on flange 9 by bolt by speed pickup 16 and acceleration transducer 15, now the proving installation of installation rate sensor and acceleration transducer as shown in Figure 4.
As shown in Figure 1, when being installed on-board the circuit breaker by proving installation, simulation pull bar 4 is fixedly assembled together with the runing rest 3 of isolating switch, under pilot hole 24 guide effect of lower cross plate 5, completes the expanding-contracting action of moving contact.As shown in Figure 2, when linear displacement transducer 12 is installed, sleeve 8 is fixedly assemblied on upper cross plate 7 by roll adjustment through hole 38 and set screw hole 40, and the signal input lever 13 of linear displacement transducer 12 on sleeve 8 is fixed together with simulation pull bar, when simulating pull bar 4 and being flexible under breaker driving mechanism drives, simulation pull bar 4 synchronously drives signal input lever 13 expanding-contracting action, and then exports test signal by linear displacement transducer 12.As shown in Figure 3, during installing force sensor 14, after sleeve 8 moved to making shoulder 29 be close to upper cross plate 7, be assemblied on upper cross plate 7 with holding screw by fastening for sleeve 8, when simulating pull bar 4 and being flexible under breaker driving mechanism drives, simulation pull bar 4 synchronously drives flange 9 impact sensor 14, and then export test signal by force snesor 14, and be close to upper cross plate 4 due to the shoulder 29 of sleeve 8, the impact of such simulation pull bar 4 arrives sleeve 8 via force snesor 1, pass on upper cross plate 7 by the shoulder 29 of sleeve 8 again, and then can not be destroyed by available protecting proving installation, improve test accuracy.As shown in Figure 4, installation rate sensor 16 and acceleration transducer 15, flange 9 is arranged on simulation pull bar, when simulating pull bar 4 and being flexible under breaker driving mechanism drives, simulation pull bar 4 synchronously drives speed pickup 16 and acceleration transducer 15 action, and then exports test signal by speed pickup 16 and acceleration transducer 15.Due to proving installation do not need renewal part just can install fixing linear displacement transducer, force snesor, speed pickup and and speed pickup, and then achieve a device and can measure polytype test volume.
In above-described embodiment, realized the fixing assembling of sleeve and upper cross plate by roll adjustment through hole and clamp screw pit, like this according to the installation requirement of linear displacement transducer, the position of adjustment sleeve, reduces assembly difficulty.
Claims (2)
1. a multifunctional high pressure vacuum breaker mechanical features proving installation, comprise linear displacement transducer (12), force snesor (14), speed pickup (16) and acceleration transducer (15), described linear displacement transducer (12) is furnished with signal input lever (13); It is characterized in that also comprising: a framework be made up of upper lower cross plate (7,5) and left and right pillar (6), a sleeve (8), simulation pull bar (4) and a up big and down small ladder circular disk-shaped flanges (9);
Described sleeve (8) passes and is fixed in the roll adjustment through hole in the middle of upper cross plate (7) with holding screw, install linear displacement transducer (12) in the macropore (31) of sleeve (8), aperture (32) passes for signal input lever (13), lower end is threaded connection and is fixed with force snesor (14), signal input lever (13) lower end is connected with the upper end of simulation pull bar (4); Threaded upper ends joint flange (9), the lower end of described simulation pull bar (4) are connected by pull bar hexagonal nut (10) with the runing rest (3) on the connecting rod (2) of tested isolating switch slidably in framework after stretching upper cross plate (5) pilot hole (24); On the large mounting hole (22) that described speed pickup (16) and acceleration transducer (15) are fixedly assemblied in flange (9) and little mounting hole (21).
2. multifunctional high pressure vacuum breaker mechanical features proving installation according to claim 1, it is characterized in that: described framework upper cross plate (7) is long shaped plate, in the middle of plate face, have roll adjustment through hole (38), both sides have lower large little stair-stepping bolt mounting holes (39), a side is also provided with set screw hole (40); Lower cross plate (5) is plectane, and centre has pilot hole (24), has mounting hole (26) and positioning through hole (25) around; The upper end of left and right pillar (6) is provided with internal thread hole (36), lower end is provided with internal thread hole (37), hypomere outside surface is provided with convex shoulder (35);
Described sleeve (8) is for being provided with the ladder pipe of up big and down small endoporus (31) and (32), and outside surface centre is provided with convex shoulder (29), lower end is provided with external thread (30) for it, upper end wall is provided with two corresponding radial clamp screw pits (27);
Described simulation pull bar (4) upper end is provided with external thread (18) and threaded hole (17), lower end is provided with threaded hole (19), central exterior surface is provided with convex shoulder;
Described up big and down small ladder circular disk-shaped flanges (9), small end is provided with threaded hole (20), large end plate face is provided with little mounting hole (21) and large mounting hole (22).
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| CN201510821696.9A CN105277881B (en) | 2015-11-23 | 2015-11-23 | A kind of multifunctional high pressure vacuum breaker mechanical features test device |
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| CN201510821696.9A CN105277881B (en) | 2015-11-23 | 2015-11-23 | A kind of multifunctional high pressure vacuum breaker mechanical features test device |
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| CN105277881A true CN105277881A (en) | 2016-01-27 |
| CN105277881B CN105277881B (en) | 2016-09-14 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017901A (en) * | 2016-07-14 | 2016-10-12 | 深圳怡化电脑股份有限公司 | Relay in-place continuous detection device |
| CN108983080A (en) * | 2018-04-24 | 2018-12-11 | 河南平高电气股份有限公司 | A kind of operating mechanism breaker fictitious load experimental rig |
| CN109406120A (en) * | 2018-11-13 | 2019-03-01 | 许继集团有限公司 | A kind of breaker mechanic property examination device |
| CN110165494A (en) * | 2019-05-30 | 2019-08-23 | 中国科学院上海应用物理研究所 | High pressure vacuum feed-in attachment device |
| CN116625667A (en) * | 2023-07-25 | 2023-08-22 | 川开电气有限公司 | Online monitoring method for mechanical characteristics of 10kV vacuum circuit breaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07146214A (en) * | 1993-11-22 | 1995-06-06 | Takachiho Kogyo Kk | Apparatus for testing hydraulic breaker body |
| CN202383148U (en) * | 2011-11-29 | 2012-08-15 | 青岛特锐德电气股份有限公司 | High voltage circuit breaker speed detector |
| CN103226091A (en) * | 2013-04-12 | 2013-07-31 | 中国石油天然气集团公司 | High temperature high pressure acoustic emission electrochemistry simulation experiment apparatus capable of loading stress |
| CN104142230A (en) * | 2013-11-30 | 2014-11-12 | 国家电网公司 | Device for testing mechanical characteristics of circuit breaker |
-
2015
- 2015-11-23 CN CN201510821696.9A patent/CN105277881B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07146214A (en) * | 1993-11-22 | 1995-06-06 | Takachiho Kogyo Kk | Apparatus for testing hydraulic breaker body |
| CN202383148U (en) * | 2011-11-29 | 2012-08-15 | 青岛特锐德电气股份有限公司 | High voltage circuit breaker speed detector |
| CN103226091A (en) * | 2013-04-12 | 2013-07-31 | 中国石油天然气集团公司 | High temperature high pressure acoustic emission electrochemistry simulation experiment apparatus capable of loading stress |
| CN104142230A (en) * | 2013-11-30 | 2014-11-12 | 国家电网公司 | Device for testing mechanical characteristics of circuit breaker |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017901A (en) * | 2016-07-14 | 2016-10-12 | 深圳怡化电脑股份有限公司 | Relay in-place continuous detection device |
| CN106017901B (en) * | 2016-07-14 | 2018-08-24 | 深圳怡化电脑股份有限公司 | A kind of relay continuous detection apparatus in place |
| CN108983080A (en) * | 2018-04-24 | 2018-12-11 | 河南平高电气股份有限公司 | A kind of operating mechanism breaker fictitious load experimental rig |
| CN108983080B (en) * | 2018-04-24 | 2021-05-25 | 河南平高电气股份有限公司 | Circuit breaker simulated load test device for operating mechanism |
| CN109406120A (en) * | 2018-11-13 | 2019-03-01 | 许继集团有限公司 | A kind of breaker mechanic property examination device |
| CN109406120B (en) * | 2018-11-13 | 2020-08-11 | 许继集团有限公司 | Circuit breaker mechanical characteristic testing device |
| CN110165494A (en) * | 2019-05-30 | 2019-08-23 | 中国科学院上海应用物理研究所 | High pressure vacuum feed-in attachment device |
| CN116625667A (en) * | 2023-07-25 | 2023-08-22 | 川开电气有限公司 | Online monitoring method for mechanical characteristics of 10kV vacuum circuit breaker |
| CN116625667B (en) * | 2023-07-25 | 2023-11-14 | 川开电气有限公司 | Online monitoring method for mechanical characteristics of 10kV vacuum circuit breaker |
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| CN105277881B (en) | 2016-09-14 |
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