CN107036794A - A kind of second generation rectilinear transducer mounting bracket - Google Patents
A kind of second generation rectilinear transducer mounting bracket Download PDFInfo
- Publication number
- CN107036794A CN107036794A CN201710286656.8A CN201710286656A CN107036794A CN 107036794 A CN107036794 A CN 107036794A CN 201710286656 A CN201710286656 A CN 201710286656A CN 107036794 A CN107036794 A CN 107036794A
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- Prior art keywords
- rectilinear transducer
- mounting bracket
- moving contact
- connecting rod
- transducer mounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004088 simulation Methods 0.000 claims abstract description 33
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 230000033001 locomotion Effects 0.000 claims abstract description 16
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 18
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Breakers (AREA)
Abstract
The invention provides a kind of second generation rectilinear transducer mounting bracket, including sensor mount and rectilinear transducer, the sensor mount is connected in the horizontal direction with the rectilinear transducer, vertically provided with simulation moving contact connecting rod in the sensor mount, the simulation moving contact connecting rod bottom is connected with analog insulation pull bar, the analog insulation pull bar and the relative one end of the simulation moving contact connecting rod are drawn connecting lever extending shaft outside and are connected by nut with horizontally disposed, the actual transmission link of moving contact pull bar in connecting lever to arc-chutes will be inputted on main shaft, transplant outside its structure to seal casinghousing, and design simulation moving contact connecting rod, finally it is then connected to rectilinear transducer, realize and moving contact actual motion process 1:The high-precision characteristic test of 1 matching.
Description
Technical field
The invention belongs to primary cut-out technical field, more particularly to a kind of second generation rectilinear transducer mounting bracket.
Background technology
Mechanical characteristic of high-voltage circuit breaker (switch closing and switch opening time, speed, open away from, the excess of stroke, three-phase asynchrony, spring when
Between etc.) it is the key characteristic for ensureing breaker energy normal work, therefore the parameter of reflection mechanical characteristic of high-voltage circuit breaker is to judge
The important indicator of its performance, testing mechanical characteristic is measurement and the important means for ensureing breaker quality condition and performance indications.
《The primary cut-outs of GB1984-2003》Regulation, breaker type approval test, dispatch from the factory or commissioning test before, must test
Lost motion curve, records the mechanical property parameters such as time, displacement, speed.In addition, breaker is during the use that puts into operation, use
Family also must be according to technical requirements and testing regulations《DL/T596-1996 power equipment preventive trial codes》, periodically carry out machinery
Characteristic test, to prevent or find that breaker is abnormal.
But it is due in sealed SF6 breakers, it is difficult to which rectilinear transducer is directly anchored on moving contact pull bar, therefore
Moving contact of breaker divide-shut brake motion state " can not be visualized ", and the action message of breaker can not intuitively show.So
First generation rectilinear transducer mounting bracket afterwards, whole support is partially long, not readily portable, and is not easy to the installation at scene.
The content of the invention
In view of this, in order to overcome the deficiencies in the prior art, the present invention provides a kind of second generation rectilinear transducer and installs branch
Frame, can reduce the weight and volume more than 70% of whole support, be easy to carry and live installation.
In order to realize above-mentioned technical purpose, the present invention uses following technical scheme：
A kind of second generation rectilinear transducer mounting bracket, including sensor mount and rectilinear transducer, the sensor
Mounting bracket is connected in the horizontal direction with the rectilinear transducer, vertically dynamic provided with simulation in the sensor mount
Contact connecting rod, the simulation moving contact connecting rod bottom is connected with analog insulation pull bar, and the analog insulation pull bar and the simulation are dynamic
Outer draw connecting lever extending shaft with horizontally disposed by nut and be connected in the relative one end of contact connecting rod.
Further, the sensor mount includes first level plate, the second level board and vertical plate, and the vertical plate is erected
Straight setting, the first level plate and second level board are arranged horizontally at the two ends of the vertical plate.
Further, the first hole is designed with the middle part of the first level plate and second level board, first hole
It is monosymmetric to be provided with the second hole and the 3rd hole.
Further, guide sleeve, simulation moving contact connecting rod and analog insulation the pull bar energy are inlaid with first hole
Enough through first hole and the guide sleeve.
Further, the top of the simulation moving contact connecting rod passes through the top with oval connecting plate Yu the rectilinear transducer
It is connected.
Further, the band oval connecting plate is horizontally disposed with.
Further, the simulation moving contact connecting rod and the analog insulation pull bar are arranged in the sensor mount
On axis.
Further, the outer connecting lever extending shaft that draws can be along rotating clockwise or counterclockwise.
Further, the outer arm extending shaft that draws can drive the simulation moving contact connecting rod and the analog insulation pull bar edge
The direction back and forth movement of the first level plate or second level board.
Further, the guide sleeve is brass material.
Beneficial effects of the present invention are：The actual transmission ring of moving contact pull bar in connecting lever to arc-chutes will be inputted on main shaft
Section, is transplanted outside its structure to seal casinghousing, and design simulation moving contact connecting rod, is finally then connected to rectilinear transducer, realize with
Moving contact actual motion process 1:The high-precision characteristic test of 1 matching.
1) sensor mount in the first generation and rectilinear transducer are set by vertical direction change into it is horizontally arranged,
The length of whole mounting bracket is effectively reduced, and the accuracy of test will not be changed；
2) guide sleeve is fitted with the first hole in the middle part of first level plate and the second level board, can be to analog insulation
Pull bar and simulation moving contact connecting rod carry out accurately spacing；
3) sensor mount and rectilinear transducer are connected side by side, and simulation moving contact connecting rod can pass through first level plate
On the first hole, be connected by horizontal stripes oval connecting plate, strengthen the fastness of whole mounting bracket, and improved whole
The accuracy of test.
Brief description of the drawings
Fig. 1 is a kind of second generation rectilinear transducer mounting support structure schematic diagram；
Fig. 2 is the structural representation of first level plate；
Fig. 3 is a kind of second generation rectilinear transducer mounting bracket mounting structure schematic diagram；
Wherein, 1, rectilinear transducer；2nd, sensor mount；3rd, moving contact connecting rod is simulated；4th, analog insulation pull bar；5th, it is outer
Draw connecting lever extending shaft；6th, guide sleeve；7th, band oval connecting plate；201st, first level plate；202nd, the second level board；203rd, it is vertical
Plate；204th, the first hole；205th, the second hole；206th, the 3rd hole.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with the accompanying drawings and embodiment, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
LW36-126 open airs SF6 primary cut-outs are the breakers of main species in current 110KV power networks, and primary structure is
Two root posts hold a crossbeam pedestal, and three-phase pole is evenly arranged in crossbeam pedestal top, and operating mechanism is close to crossbeam pedestal
In the middle of bottom, the pole that operating mechanism passes to operating physical force by operator link in crossbeam pedestal on the crank arm box of pole bottom is grasped
Make outer connecting lever, pole operates outer connecting lever to drive pole operation axis to rotate, in pole operation connecting lever and the outer connecting lever of pole operation and
Pole operation axis all connects for concentric key, therefore, and operating physical force passes to connecting lever in pole operation by pole operation axis,
Operating physical force is passed to moving contact connecting rod by connecting lever by insulated tension pole in pole operation, finally makes moving contact in predetermined stroke scope
Inside do (combined floodgate), under (separating brake) move.Mechanical characteristic of high-voltage circuit breaker is actually reflection moving contact relative to static contact
Kinetic characteristic in switch closing and switch opening.
Because the pole of LW36-126 open airs SF6 primary cut-outs is full-closed structure, for accurately test more directly perceived
The mechanical property of switch, breaker actuation information is passed through straight-line transmitting by us using in-vitro simulated rectilinear transducer method is switched
Sensor introduces the measurement of breaker mechanic property examination instrument：The parameters such as stroke curve, displacement (stroke, the excess of stroke), speed.According to the above
Thinking, then designed and produced a kind of rectilinear transducer mounting bracket.Can more convenient progress LW36-126 open airs SF6 it is high
Voltage breaker testing mechanical characteristic.
First generation rectilinear transducer mounting bracket, although realize and moving contact actual motion process 1:The high accuracy of 1 matching
Characteristic test, but scheduling and planning personnel carry breaker mechanic property examination instrument and tachogenerator mounting bracket tosses about in bed in each
When between transformer station and factory, carrying, installing/dismounting inconvenience are still felt, must further reduce volume and weight, optimization structure.
As depicted in figs. 1 and 2, a kind of second generation rectilinear transducer mounting bracket, including sensor mount 2 and straight-line transmitting
Sensor 1, the sensor mount 2 is connected in the horizontal direction with the rectilinear transducer 1, in the sensor mount 2
Vertically provided with simulation moving contact connecting rod 3, the end of the simulation moving contact connecting rod 3 is connected with analog insulation pull bar 4, described
The one end relative with the simulation moving contact connecting rod 3 of analog insulation pull bar 4 is extended by nut with the horizontally disposed outer connecting lever that draws
Axle 5 is connected.Wherein, it is horizontally disposed it is outer draw connecting lever extending shaft 5 can be by the moving contact in breaker in predetermined stroke scope
Inside do (combined floodgate), under the motion of (separating brake) pass to analog insulation pull bar 4, consequently facilitating rectilinear transducer 1 is to breaker machine
The test of tool characteristic.
The sensor mount 2 includes first level plate 201, the second level board 202 and vertical plate 203, described vertical
Plate 203 is vertically arranged, and the first level plate 201 and second level board 202 are arranged horizontally at the vertical plate
203 two ends.I.e. first level plate 201, the second level board 202 and vertical plate 203 together constitute analog-U shaped sensor mount 2,
Rectilinear transducer 1 is fixed on vertical plate 203, and the level board 202 of first level plate 201 and second is arranged on the one of vertical plate 203
Face, rectilinear transducer 1 is arranged on the another side of vertical plate 203.This installation can effectively shorten the length of mounting frame for sensor
Degree.
As shown in Fig. 2 the first hole 204 is provided with the middle part of the first level plate 201 and second level, described
The monosymmetric of one hole 204 is provided with the second hole 205 and the 3rd hole 206.Wherein the first hole 204, which can allow, simulates moving contact connecting rod
3 and analog insulation pull bar 4 pass through, the second hole 205 and the 3rd hole 206 can further fix second generation rectilinear transducer and install branch
Frame.In addition the first hole 204, the second hole 205 and the 3rd hole 206 all be small waist round hole, and the first hole 204 and the second hole 205 and
3rd hole 206 is spaced certain pitch-row, has adapted to the interchangeability of different sensors.Also, the level of first level plate 201 and second
Plate 202 is designed unanimously, is conducive to simplifying installation procedure.
Guide sleeve 6 is inlaid with first hole 204, the simulation moving contact connecting rod 3 and analog insulation pull bar 4 can
Through first hole 204 and the guide sleeve 6.Wherein guide sleeve 6 is arranged on by first level plate 201, the second level
Plate 202 and vertical plate 203 are together constituted in analog-U shaped sensor mount 2, and guide sleeve 6 has two, can be to simulation moving contact
Connecting rod 3 and analog insulation pull bar 4 carry out it is spacing, so as to improve the accuracy of rectilinear transducer 1.In addition, guide sleeve 6 is adopted
With brass material, so as to ensure that guiding is smooth and accurate.
The simulation moving contact connecting rod 3 one end relative with the analog insulation pull bar 4 passes through the guide sleeve 6 and institute
State the first hole 204 by band oval connecting plate 7 with the rectilinear transducer 7 to be connected, the level of band oval connecting plate 7 is set
Put.Simulation moving contact connecting rod 3 and analog insulation pull bar 4 can be fixed for horizontally disposed band oval connecting plate 7, it is ensured that
The stabilization and steadiness of whole rectilinear transducer mounting bracket.
The simulation moving contact connecting rod 3 and the analog insulation pull bar 4 are arranged on the axis of the sensor mount 2
On.
It is described it is outer draw connecting lever extending shaft 5 can along rotating clockwise or counterclockwise,
The outer arm extending shaft 5 that draws can drive the simulation moving contact connecting rod 3 and the analog insulation pull bar 4 along institute
State the direction back and forth movement of first level plate 201 or second level board 202.
Because contact of breaker is sealed in SF6 circuit breaker polars, it is impossible to which rectilinear transducer is directly anchored into moving contact
On connecting rod.Therefore it is contemplated that pole operation axis is passed into moving contact pull bar in interior connecting lever to the arc-chutes of pole operation arrives interior dynamic again
The actual transmission link of contact；By the outer connecting lever extending shaft 5 that draws of making by outside internal drive structure " transplanting " to seal casinghousing,
Draw the movement angle and size of connecting lever extending shaft 5 and the contact actual motion process matched of circuit breaker internal outside.I.e. can be with
The equivalent analog insulation pull bar 4 that is forwarded to of circuit breaker internal contact motion mode is passed into simulation moving contact connecting rod 3 again, again finally
The guide sleeve 6 passed in rectilinear transducer 1, rectilinear transducer mounting bracket 2 is limited as the guide of circuit breaker internal
Simulation moving contact connecting rod 3 moves along a straight line, and realizes and moving contact actual motion process 1:The high-precision characteristic test of 1 matching.It is many
Plant method of testing and compare the method for testing actual effect with significantly superiority：Moving contact of breaker divide-shut brake motion state
" visualization ", with moving contact motion actual curve uniformity it is good, displacement-time curve can be measured and can intuitively embody a variety of
Performance parameter and characteristic.
In addition, second generation rectilinear transducer mounting bracket, relies on the lower outlet board of wire outlet seat in the middle of breaker to be installed
So as to ensure the intensity installed.
Rectilinear transducer is connected side by side with simulation straight line connecting rod, and the direction of motion is eliminated while reducing integral installation overall length and is given
Analog insulation pull bar 4 provides resigning, so that the volume and weight of mounting bracket is greatly reduced；
Sensor and mounting frame for sensor are general without dismounting, and eliminating original sensor and mounting bracket needs scene
The work of assembly and disassembly.
Second generation rectilinear transducer mounting bracket is broken with original sensor mounting bracket in product LW36-126 open airs SF6 height
Comparison is tested with same breaker mechanic property examination instrument on the device of road, installing/dismounting is experienced and more succinctly facilitates, simultaneously
In being compared to continuous 3 groups of measurement data, measurement data difference (actual measurement only takes after decimal point 1) three after decimal point,
Illustrate that it is stablized.Compared with 3 groups of measurement data of original sensor mounting bracket simultaneously in, measurement data difference is also after decimal point
3 (actual measurement only takes after decimal point 1), illustrates do not have an impact the accuracy of its measurement after its improvement.
Another producer's breaker mechanic property examination instrument same type rectilinear transducer (size slightly difference) also can directly pacify
Dress.
Testing crew carries breaker mechanic property examination instrument after improvement and the frame that tests the speed tosses about in bed in each transformer station and experiment
When between room, it is to be easily carried only to need a people to take dolly or social utility car.
Embodiment described above only expresses embodiments of the present invention, and it describes more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection model of the present invention
Enclose.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of second generation rectilinear transducer mounting bracket, including sensor mount (2) and rectilinear transducer (1), its feature
It is：The sensor mount (2) is connected in the horizontal direction with the rectilinear transducer (1), the sensor mount
(2) vertically provided with simulation moving contact connecting rod (3) in, described simulation moving contact connecting rod (3) bottom is connected with analog insulation drawing
Bar (4), the analog insulation pull bar (4) one end relative with the simulation moving contact connecting rod (3) is by nut with being horizontally disposed with
The outer connecting lever extending shaft (5) that draws be connected.
2. a kind of second generation rectilinear transducer mounting bracket according to claim 1, it is characterised in that：The sensor peace
Shelving (2) includes first level plate (201), the second level board (202) and vertical plate (203), and the vertical plate (203) sets vertically
Put, the first level plate (201) and second level board (202) are arranged horizontally at the vertical plate (203)
Two ends.
3. a kind of second generation rectilinear transducer mounting bracket according to claim 2, it is characterised in that：The first level
The first hole (204) is designed with the middle part of plate (201) and second level board (202), the both sides of first hole (204) are symmetrical
Be provided with the second hole (205) and the 3rd hole (206).
4. a kind of second generation rectilinear transducer mounting bracket according to claim 3, it is characterised in that：First hole
(204) it is inlaid with guide sleeve (6) on, the simulation moving contact connecting rod (3) and analog insulation pull bar (4) can pass through described the
One hole (204) and the guide sleeve (6).
5. a kind of second generation rectilinear transducer mounting bracket according to claim 4, it is characterised in that：The simulation is dynamic to touch
The top of head connecting rod (3) with oval connecting plate (7) with the top of the rectilinear transducer (1) by being connected.
6. a kind of second generation rectilinear transducer mounting bracket according to claim 5, it is characterised in that：The band oval connects
Fishplate bar (7) is horizontally disposed with.
7. a kind of second generation rectilinear transducer mounting bracket according to claim 1, it is characterised in that：The simulation is dynamic to touch
Head connecting rod (3) and the analog insulation pull bar (4) are arranged on the axis of the sensor mount (2).
8. a kind of second generation rectilinear transducer mounting bracket according to claim 1, it is characterised in that：Draw connecting lever outside described
Extending shaft (5) can be along rotating clockwise or counterclockwise.
9. a kind of second generation rectilinear transducer mounting bracket according to claim 2, it is characterised in that：Draw arm outside described to prolong
Major axis (5) can drive the simulation moving contact connecting rod (3) and the analog insulation pull bar (4) along the first level plate
(201) or second level board (202) direction back and forth movement.
10. a kind of second generation rectilinear transducer mounting bracket according to claim 4, it is characterised in that：Described be oriented to is slided
It is brass material to cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710286656.8A CN107036794A (en) | 2017-04-27 | 2017-04-27 | A kind of second generation rectilinear transducer mounting bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710286656.8A CN107036794A (en) | 2017-04-27 | 2017-04-27 | A kind of second generation rectilinear transducer mounting bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107036794A true CN107036794A (en) | 2017-08-11 |
Family
ID=59536081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710286656.8A Pending CN107036794A (en) | 2017-04-27 | 2017-04-27 | A kind of second generation rectilinear transducer mounting bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107036794A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728054A (en) * | 2017-11-13 | 2018-02-23 | 上海天灵开关厂有限公司 | A kind of detection means of double motion head vacuum arc-extinguishing chamber contact pressure and positional distance |
| CN108444688A (en) * | 2018-05-08 | 2018-08-24 | 河南森源电气股份有限公司 | Breaker and breaker sensor fastening device |
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| GB2350724A (en) * | 1999-05-29 | 2000-12-06 | Alstom Uk Ltd | Magnetic actuator arrangement |
| JP2010160926A (en) * | 2009-01-07 | 2010-07-22 | Hitachi Ltd | Fault diagnosis device and method for gas-blast circuit breaker for electric power |
| CN102788669A (en) * | 2011-09-01 | 2012-11-21 | 宁波勋辉电器有限公司 | Air-tightness detection tooling for vehicle speed changing box part |
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| CN104142230A (en) * | 2013-11-30 | 2014-11-12 | 国家电网公司 | Device for testing mechanical characteristics of circuit breaker |
| CN204215008U (en) * | 2014-09-30 | 2015-03-18 | 杭州恒信电气有限公司 | Intelligent medium-voltage switch cabinet breaker mechanic property sensor device |
| CN204405036U (en) * | 2014-12-20 | 2015-06-17 | 国家电网公司 | A kind of high precision switch over travel measurement mechanism |
| CN206945744U (en) * | 2017-04-27 | 2018-01-30 | 国家电网公司 | A kind of second generation rectilinear transducer mounting bracket |
-
2017
- 2017-04-27 CN CN201710286656.8A patent/CN107036794A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2350724A (en) * | 1999-05-29 | 2000-12-06 | Alstom Uk Ltd | Magnetic actuator arrangement |
| JP2010160926A (en) * | 2009-01-07 | 2010-07-22 | Hitachi Ltd | Fault diagnosis device and method for gas-blast circuit breaker for electric power |
| CN102788669A (en) * | 2011-09-01 | 2012-11-21 | 宁波勋辉电器有限公司 | Air-tightness detection tooling for vehicle speed changing box part |
| CN202939281U (en) * | 2012-09-26 | 2013-05-15 | 安徽鑫龙电器股份有限公司 | Vacuum circuit breaker actuator running-in device |
| CN103018055A (en) * | 2012-12-11 | 2013-04-03 | 广东出入境检验检疫局检验检疫技术中心 | Detection system for fatigue-resistant performances of automobile brake and accelerator |
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| CN204215008U (en) * | 2014-09-30 | 2015-03-18 | 杭州恒信电气有限公司 | Intelligent medium-voltage switch cabinet breaker mechanic property sensor device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728054A (en) * | 2017-11-13 | 2018-02-23 | 上海天灵开关厂有限公司 | A kind of detection means of double motion head vacuum arc-extinguishing chamber contact pressure and positional distance |
| CN107728054B (en) * | 2017-11-13 | 2020-04-17 | 上海天灵开关厂有限公司 | Detection apparatus for double-moving-head vacuum arc-extinguishing chamber contact pressure and position distance |
| CN108444688A (en) * | 2018-05-08 | 2018-08-24 | 河南森源电气股份有限公司 | Breaker and breaker sensor fastening device |
| CN108444688B (en) * | 2018-05-08 | 2023-11-28 | 河南森源电气股份有限公司 | Circuit breaker and sensor fixing device for circuit breaker |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170811 |