CN204101694U - Contactor dynamic characteristic test equipment - Google Patents
Contactor dynamic characteristic test equipment Download PDFInfo
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- CN204101694U CN204101694U CN201420525112.4U CN201420525112U CN204101694U CN 204101694 U CN204101694 U CN 204101694U CN 201420525112 U CN201420525112 U CN 201420525112U CN 204101694 U CN204101694 U CN 204101694U
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- 238000012360 testing method Methods 0.000 title claims abstract description 75
- 238000006073 displacement reaction Methods 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 67
- 238000001514 detection method Methods 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 18
- 230000003028 elevating effect Effects 0.000 description 15
- 230000008569 process Effects 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
本实用新型涉及检测设备技术领域，确切的说是用于测试接触器动态特性的测试设备。本实用新型采用的技术方案如下：一种接触器动态特性测试设备，包括有工作台，以及安装在工作台上的接触器固定装置、接触器动态特性测试装置，所述接触器动态特性测试装置包括有单片机控制系统、数据采集系统、上位机、以及激光位移传感器，所述工作台包括有相互独立的接触器安装台架和测试台架，所述接触器固定装置安装在接触器安装台架上，接触器动态特性测试装置设置在测试台架上。本实用新型与现有技术相比，具有检测结果可靠，操作方便的优点。
The utility model relates to the technical field of testing equipment, in particular to testing equipment for testing the dynamic characteristics of a contactor. The technical scheme adopted by the utility model is as follows: a contactor dynamic characteristic test equipment, including a workbench, a contactor fixing device installed on the workbench, a contactor dynamic characteristic test device, the contactor dynamic characteristic test device It includes a single-chip control system, a data acquisition system, an upper computer, and a laser displacement sensor. The workbench includes a contactor installation stand and a test stand that are independent of each other. The contactor fixing device is installed on the contactor installation stand. Above, the contactor dynamic characteristic test device is set on the test bench. Compared with the prior art, the utility model has the advantages of reliable detection result and convenient operation.
Description
Technical field
The utility model relates to checkout equipment technical field, is specifically the testing apparatus for test contactor dynamic perfromance.
Background technology
Contactor is a kind ofly widely used in electric system and realizes the low-voltage electrical apparatus of Long-distance Control, and its annual usage quantity is in hundred million.Along with the development of China's economy and electric system, also continuous in increase to the demand of contactor every year, therefore, improve the performances such as the reliability of contactor and life-span and become a kind of urgent demand.
Contactor is a kind of electromagnetic type electrical equipment, mainly comprises electromagnetic mechanism and mechanical mechanism.The dynamic process of contactor comprises adhesive and dispose procedure.When to coil loading current, under the influence of a magnetic field, dynamic iron core overcomes counter-force effect, is rapidly to static iron core and moves, and after colliding, both keep attracting state.When the coil is de-energized, magnetic field dissipate, due to the effect of the main force, reaction spring, sound iron core is separated, and contactor realizes the disjunction of contact.But, if the impact velocity of sound iron core is excessive during adhesive, then can reduce mechanical life, increase contact bounce, produce electric arc, will electric life be reduced.If the speed of release is excessive, mechanical life also can be caused defective, if the speed of release is too little, then between touching, the arcing time is long, and electric life also can be caused defective.Therefore, the dynamic perfromance of contactor can directly reflect its performance index, can provide theoretical, test basis by the dynamic perfromance studying contactor for the optimal design of contactor.
Existing contactor dynamic characteristic test equipment, include worktable, worktable is provided with contactor fixing device and contactor dynamic characteristic test device, single-chip computer control system, data acquisition system (DAS), host computer and laser displacement sensor (as shown in Figure 1); Laser displacement gauge accurately locates measured target, and contactor fixing device is for fixedly mounting contactor; Its testing process (as shown in Figure 2) is: be fixed on by contactor on contactor fixing device, on laser displacement gauge aligned contact device, measured target is (as contact, the dynamic iron core of contactor, displacement and speed, acceleration etc. for detection contact or dynamic iron core), host computer sends start-up mode to single-chip computer control system; Start-up mode is divided into phase control mode and general break-make pattern; After the instruction of single-chip computer control system receptive pattern, host computer starts data acquisition command, and and then host computer sends the order of starting contactor adhesive and release to single-chip computer control system; After tentaculum adhesive waiting, stop data acquisition; Then gathered data are preserved into excel file, then analyzing and processing carried out to data and draw the result of response, finally showing; Complete test process.
Existing contactor dynamic characteristic test equipment, there is following defect: 1) contactor dynamic characteristic test device and contactor fixing device are fixed on same worktable, in testing process, there is interference to contactor dynamic characteristic test device in the powerful collision that contactor adhesive or release produce, affects test result.
2) structural design of contactor fixing device is unreasonable, there is contactor and installs trouble, hard (large model has ten or twenty kilogram), the design of applicable multiple style, model and fixing unstable problem.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of contactor dynamic characteristic test device and contactor fixing device separate design, and testing result is reliable, easy to operate contactor dynamic characteristic test equipment.
For achieving the above object, the utility model provides following technical scheme: a kind of contactor dynamic characteristic test equipment, include worktable, and the contactor fixing device installed on the table, contactor dynamic characteristic test device, described contactor dynamic characteristic test device includes single-chip computer control system, data acquisition system (DAS), host computer, and laser displacement sensor, it is characterized in that: described worktable includes separate contactor and installs stand and testboard bay, described contactor fixing device is arranged on contactor and installs on stand, contactor dynamic characteristic test device is arranged on testboard bay.
By adopting technique scheme, contactor fixing device and contactor dynamic characteristic test device are arranged on independently contactor and stand and testboard bay are installed, avoid due to contactor adhesive or release produce powerful collision to the interference of contactor dynamic characteristic test device, thus improve the accuracy of test result, detect more reliable, and due to after contactor erecting device is separated with contactor dynamic characteristic test device, when detecting, in advance multiple contactor can be separately fixed at different contactors installs on stand, change different contactor installation stands in testing process to coordinate with detection stand, realize the detection completed fast different contactor, improve detection efficiency, namely the contactor installation stand realizing multiple band contactor erecting device has coordinated detection with same contactor dynamic characteristic test device, avoid in testing process process, when multiple contactor is detected, contactor is needed to carry out dismounting, and affect testing efficiency.
The utility model is set to further: described testboard bay is provided with laser displacement gauge 3 D positioning system, laser displacement gauge 3 D positioning system comprises X-axis detent mechanism, Y-axis detent mechanism and Z axis detent mechanism, described X-axis detent mechanism includes frame fixed mount, frame fixed mount is engaged on testboard bay along X-direction slippage, the driven unit driving frame fixed mount to locate along X-direction slippage is provided with between frame fixed mount and testboard bay, described Y-axis detent mechanism and Z axis detent mechanism are arranged in frame fixed mount, Y-axis detent mechanism and Z axis detent mechanism are screw-nut body, laser displacement gauge realizes Y-direction through Y-axis detent mechanism and Z axis detent mechanism, Z-direction running fix.
By adopting technique scheme, the three-dimensional conveniently moving realizing laser displacement gauge locates measured target accurately, after ensureing contactor dynamic characteristic test device and contactor fixing device split, and laser displacement gauge three-dimensional coordinate position adjusted in concert can be realized, thus it is high to reach location efficiency, and whole 3 D positioning system has compact conformation, the reliable advantage of working stability, thus reach equipment Inspection reliable results, easy to operate.
The utility model is set to further: described Y-axis detent mechanism includes Y-direction movable stand and Y-direction leading screw, the Z-direction two ends of Y-direction movable stand are engaged in frame fixed mount along Y direction slippage, Y-direction leading screw is arranged along Y direction, Y-direction leading screw rotates to move and fits in frame fixed mount, Y-direction leading screw drives the Y-direction drive motor being connected with and driving Y-direction screw turns, Y-direction leading screw is arranged with Y-direction slip nut block, Y-direction movable stand is fixedly mounted on Y-direction slip nut block, described Z axis detent mechanism is arranged on Y-direction movable stand, Z axis detent mechanism includes Z-direction slip nut block, Z-direction leading screw and Z-direction drive motor, described Z-direction leading screw is arranged along Z-direction, Z-direction slip nut block is engaged on Y-direction movable stand along Z-direction slippage, Z-direction slip nut is set on Z-direction leading screw, Z-direction drive motor drives with Z-direction leading screw and is connected, described laser displacement gauge is fixed on Z-direction slip nut block.
By adopting technique scheme, Y-axis detent mechanism and X-axis detent mechanism vibrational power flow rationally, effectively ensure that three-dimensional regulation system works is stablized.
The utility model is set to further: the driven unit of described X-axis detent mechanism includes X to drive motor, X to leading screw and X to slip nut block, described X arranges to leading screw along X axis, X is set in X on leading screw to slip nut block, X is fixedly connected with to slip nut block with described frame fixed mount, and described X drives to drive motor and X to leading screw and is connected.
By adopting technique scheme, there is movable stand and drive reliable and stable, thus improving the stability of whole 3 D positioning system.
The utility model is set to further: described contactor fixing device includes erecting frame, erecting frame top is provided with limit top plate, liftable contactor mounting table is provided with below limit top plate, there is between contactor mounting table and limit top plate the upper and lower clamping space of the contactor gripping contactor, contactor mounting table is connected with the elevating mechanism driving the lifting of contactor mounting table, described limit top plate rear end is fixedly connected with the backboard of erecting frame, limit top plate front end is provided with contactor and holds down assembly, described contactor mounting table front end is also provided with contactor and holds down assembly, described contactor holds down assembly and presses solidly space about forming contactor between the backboard of erecting frame, described contactor holds down assembly the sliding seat including and can slide in left-right direction, sliding seat is provided with the clamping screw arranged along the longitudinal direction.
By adopting technique scheme, when contactor is installed, contactor mounting table drops to extreme lower position, the sliding seat that contactor holds down assembly skids off contactor placement location, facilitate contactor to place on contactor mounting table, then contactor mounting table rises, and contactor device is fixedly clamped up and down, again the sliding seat that contactor holds down assembly is slipped into contactor position, screw clamping screw, contactor is pressed on erecting frame backboard, grip before and after being formed, reach the reliable fixing of contactor, prevent contactor vertical direction, the vibrations of fore-and-aft direction, thus significantly vibrations when effectively avoiding contactor action, thus the result that guarantee detects accurately and reliably, adopt bolt to compress before and after contactor, snap-in force is large, compresses reliable, meanwhile, upper and lower clamping space and left and right press solidly space and are adjustable, can adapt to the contactor fixed installation of different large ting model.
The utility model is set to further: described elevating mechanism includes lifting motor, crane, elevating screw and nutplate, nutplate is fixedly mounted on erecting frame, crane includes the base plate be positioned at below nutplate, base plate is fixed with guide pillar, nutplate is provided with the pilot hole passed for guide pillar, described guide pillar passes the pilot hole of nutplate relative to the other end being connected one end with base plate and is fixed on contactor mounting table, described lifting motor is fixed on base plate, lifting motor drives with elevating screw and is connected, elevating screw screw thread spinning is in the threaded hole of nutplate, described elevating screw passes the threaded hole of nutplate relative to the other end being connected one end with lifting motor and is fixed on contactor mounting table.
By adopting technique scheme, adopt feed screw nut to realize the lifting of contactor mounting table, threaded engagement achieves a butt joint the clamping of tentaculum, have holding force large, contactor fixation is reliable, effectively places contactor vibrations, and this elevating mechanism compact conformation, drive reliable and stable.
The utility model is set to further: be provided with roller bottom described testboard bay.
By adopting technique scheme, convenient testboard bay to be moved, realizing detecting with the contactor being fixed on different contactor and installing stand fast, raising detection efficiency.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the utility model background technology contactor dynamic characteristic test device measuring block diagram;
Fig. 2 is the utility model background technology contactor dynamic characteristic test testing of equipment process flow diagram;
Fig. 3 is the utility model specific embodiment contactor dynamic characteristic test device structure schematic diagram;
Fig. 4 is the utility model specific embodiment laser displacement gauge 3 D positioning system structural representation;
Fig. 5 is the utility model specific embodiment contactor fixing device structural representation.
Embodiment
See accompanying drawing 1-5, a kind of contactor dynamic characteristic test equipment disclosed in the utility model, include worktable, and the contactor fixing device 1 installed on the table, contactor dynamic characteristic test device, described contactor dynamic characteristic test device includes single-chip computer control system, data acquisition system (DAS), host computer, and laser displacement sensor 2, wherein single-chip computer control system, data acquisition system (DAS), the Electronic Testing that host computer etc. are formed and control section are known technology well known to those of ordinary skill in the art, therefore for ease of setting forth and understanding utility model of the present utility model point, in this specific embodiment, above-mentioned part is repeated no more.Described worktable includes separate contactor and installs stand 3 and testboard bay 4, and described contactor fixing device 1 is arranged on contactor and installs on stand 3, and contactor dynamic characteristic test device is arranged on testboard bay 4.Contactor fixing device and contactor dynamic characteristic test device are arranged on independently contactor and stand and testboard bay are installed, avoid due to contactor adhesive or release produce powerful collision to the interference of contactor dynamic characteristic test device, thus improve the accuracy of test result, detect more reliable, and due to after contactor erecting device is separated with contactor dynamic characteristic test device, when detecting, in advance multiple contactor can be separately fixed at different contactors installs on stand, change different contactor installation stands in testing process to coordinate with detection stand, realize the detection completed fast different contactor, improve detection efficiency, namely the contactor installation stand realizing multiple band contactor erecting device has coordinated detection with same contactor dynamic characteristic test device, avoid in testing process, when multiple contactor is detected, contactor is needed to carry out dismounting, and affect testing efficiency.Moving to different contactor for further facilitating contactor dynamic characteristic test device to install by stand, bottom described testboard bay 4, being provided with roller 41.
After the fixing of contactor and detection separately, then laser displacement gauge is more difficult for the accurate location of measured target on contactor; The utility model is created and has been carried out following improvement for this reason:
Described testboard bay 4 is provided with laser displacement gauge 3 D positioning system 5; Laser displacement gauge 3 D positioning system 5 comprises X-axis detent mechanism 51, Y-axis detent mechanism 52 and Z axis detent mechanism 53; Described X-axis detent mechanism 51 includes frame fixed mount 511, frame fixed mount 511 is engaged on testboard bay 4 along X-direction slippage, testboard bay 4 is provided with the support rails 512 arranged along X axis, two support rails 512 arranged side by side are provided with at testboard bay 4, be provided with guide-track groove bottom frame fixed mount 511, frame fixed mount 511 is bearing on support rails 512 through guide-track groove; The driven unit driving frame fixed mount 511 to locate along X-direction slippage is provided with between frame fixed mount 511 and testboard bay 4; Wherein driven unit includes X to drive motor 513, X to leading screw 514 and X to slip nut block 515, described X arranges to leading screw 514 along X axis, X is set in X on leading screw 514 to slip nut block 515, X is fixedly connected with to slip nut block 515 with described frame fixed mount 511, wherein, X is fixed on centre position bottom frame fixed mount 511 to slip nut block 515, and described X drives to drive motor 513 and X to leading screw 514 and is connected; For improving the stability of frame fixed mount further, X is equipped with X to guide rod 516 in slip nut block 515, is equipped with an X is engaged in X to guide rod 516 to guide rod 516, X to slip nut block 515 slide-and-guide at X to leading screw 514 both sides.
Described Y-axis detent mechanism 52 and Z axis detent mechanism 53 are arranged in frame fixed mount 511, Y-axis detent mechanism 52 and Z axis detent mechanism 53 are screw-nut body, and laser displacement gauge 2 realizes Y-direction, Z-direction running fix through Y-axis detent mechanism 52 and Z axis detent mechanism 53.Frame fixed mount drives Y-axis detent mechanism and Z axis detent mechanism X to running fix, Y-direction is realized again through Y-axis detent mechanism and Z axis detent mechanism, Z-direction running fix, realize the three-dimensional localization of laser displacement gauge, there is running fix accurate and convenient, after ensureing contactor dynamic characteristic test device and contactor fixing device split, laser displacement gauge is accurately located measured target, and laser displacement gauge three-dimensional coordinate position adjusted in concert can be realized, thus it is high to reach location efficiency, and whole 3 D positioning system has compact conformation, the reliable advantage of working stability, thus reach equipment Inspection reliable results, easy to operate.
Wherein, described Y-axis detent mechanism 52 includes Y-direction movable stand 521 and Y-direction leading screw 522, and the Z-direction two ends of Y-direction movable stand 521 are engaged in frame fixed mount 511 along Y direction slippage; Y-direction leading screw 522 is arranged along Y direction, Y-direction leading screw 522 rotates to move and fits in frame fixed mount 511, Y-direction leading screw 522 drives the Y-direction drive motor 523 being connected with and driving Y-direction leading screw 522 to rotate, Y-direction leading screw 522 is arranged with Y-direction slip nut block 524, Y-direction movable stand 521 is fixedly mounted on Y-direction slip nut block 524; Y-direction slip nut block 524 is fixed on bottom Y-direction movable stand 521, Y-direction movable stand 521Z is engaged on frame fixed mount 511 to one end (i.e. the bottom of Y-direction movable stand 521) through Y-direction slip nut block 524, Y-direction leading screw 522 slippage, more stable for ensureing Y-direction movable stand 521, be equipped with a Y-direction guide rod 525 in Y-direction leading screw 522 both sides, Y-direction slip nut block 524 is set in slip on Y-direction guide rod 525; Frame fixed mount 511 corresponding Y-direction movable stand 521 top offers the bar shaped rail groove 526 along Y-direction, leads with bar shaped rail groove 526 slippage and coordinate in Y-direction movable stand 521 top.
Described Z axis detent mechanism 53 is arranged on Y-direction movable stand 521, Z axis detent mechanism 53 includes Z-direction slip nut block 531, Z-direction leading screw 532 and Z-direction drive motor 533, described Z-direction leading screw 532 is arranged along Z-direction, Z-direction slip nut block 531 is engaged on Y-direction movable stand 521 along Z-direction slippage, and Z-direction slip nut 531 is set on Z-direction leading screw 532; Z-direction drive motor 533 drives with Z-direction leading screw 532 and is connected.Described laser displacement gauge 2 is fixed on Z-direction slip nut block 531.For ensureing that Z-direction slip nut block 531 is installed reliable and stable, Z-direction leading screw 532 both sides have been arranged in parallel Z-direction guide rod 534, and Z-direction slip nut block 531 is set in slip on Z-direction guide rod 534; Wherein, Z-direction leading screw 532 is plugged in described bar shaped rail groove 526, forms Y-direction movable stand 521 top slippage guiding and is engaged in frame fixed mount 511.Like this, Y-axis detent mechanism and X-axis detent mechanism vibrational power flow rationally, effectively ensure that three-dimensional regulation system works is stablized.Certainly as the scheme that the utility model is feasible, Y-axis detent mechanism can be arranged on Z axis detent mechanism, and laser displacement gauge is arranged on Y-axis detent mechanism, and namely during the action of Z axis detent mechanism, Z axis detent mechanism Y-direction occurs simultaneously and moves.
For ensureing that contactor is fixing reliable, shake to avoid contactor the dynamic characteristic test resultant error causing contactor; Described contactor fixing device 1 includes erecting frame 11, erecting frame 11 top is provided with limit top plate 12, liftable contactor mounting table 13 is provided with below limit top plate 12, there is between contactor mounting table 13 and limit top plate 12 the upper and lower clamping space 7 of the contactor gripping contactor 6, contactor mounting table 13 is connected with the elevating mechanism driving contactor mounting table 13 to be elevated; Described limit top plate 12 rear end is fixedly connected with the backboard 111 of erecting frame 11, and limit top plate 12 front end is provided with contactor and holds down assembly; Described contactor mounting table 13 front end is also provided with contactor and holds down assembly; In this specific embodiment, limit top plate 12 front end and contactor mounting table 13 front end are equipped with two cover contactors and hold down assembly.Described contactor holds down assembly and forms contactor about 6 between the backboard 111 of erecting frame 11 and presses solidly space, and described contactor holds down assembly the sliding seat 14 including and can slide in left-right direction, and sliding seat 14 is provided with the clamping screw 15 arranged along the longitudinal direction.Contactor install time, contactor mounting table drops to extreme lower position, and the sliding seat that contactor holds down assembly skids off contactor placement location, facilitate contactor to place on contactor mounting table; Then contactor mounting table rises, and contactor device is fixedly clamped up and down, again the sliding seat that contactor holds down assembly is slipped into contactor position, screw clamping screw, contactor is pressed on erecting frame backboard, grip before and after being formed, reach the reliable fixing of contactor, prevent the vibrations of contactor vertical direction, fore-and-aft direction, thus significantly vibrations when effectively avoiding contactor action, thus the result that guarantee detects is accurately and reliably; Adopt bolt to compress before and after contactor, snap-in force is large, compresses reliable.
Further: described elevating mechanism includes lifting motor 16, crane, elevating screw 18 and nutplate 19; Nutplate 19 is fixedly mounted on erecting frame 11.Described crane includes the base plate 171 be positioned at below nutplate 19, base plate 171 is fixed with guide pillar 172, nutplate 19 is provided with the pilot hole passed for guide pillar 172, and described guide pillar 172 passes the pilot hole of nutplate 19 relative to the other end being connected one end with base plate 171 and is fixed on contactor mounting table 13; Described lifting motor 16 is fixed on base plate 171, lifting motor 16 drives with elevating screw 18 and is connected, elevating screw 18 screw thread spinning is in the threaded hole 191 of nutplate 19, and described elevating screw 18 passes the threaded hole 191 of nutplate 19 relative to the other end being connected one end with lifting motor 16 and is fixed on contactor mounting table 13.Feed screw nut is adopted to realize the lifting of contactor mounting table, threaded engagement achieves a butt joint the clamping of tentaculum, there is holding force large, contactor fixation is reliable, effectively places contactor vibrations, and the lifting that the leading screw and nut mechanism under this kind of structure well can be suitable for contactor mounting table drives, elevating mechanism compact conformation, drive reliable and stable, ensure that contactor mounting table end face is smooth, be convenient to contactor and be placed on contactor mounting table.Certainly as the utility model deformation program, elevating mechanism can adopt cylinder, hydraulic cylinder, pinion and rack or motor to furl drag-line, drag-line is fixed on contactor mounting table after pulley blocks turns to, thus realize lifting driving etc., but there is complex structure, or poor stability, or the defect such as holding force is little, therefore the utility model preferentially adopts the structural design of this specific embodiment.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420525112.4U CN204101694U (en) | 2014-09-12 | 2014-09-12 | Contactor dynamic characteristic test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420525112.4U CN204101694U (en) | 2014-09-12 | 2014-09-12 | Contactor dynamic characteristic test equipment |
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| CN204101694U true CN204101694U (en) | 2015-01-14 |
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| CN201420525112.4U Expired - Lifetime CN204101694U (en) | 2014-09-12 | 2014-09-12 | Contactor dynamic characteristic test equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316868A (en) * | 2014-09-12 | 2015-01-28 | 温州大学 | Testing device for dynamic characteristic of contactor |
| CN105486704A (en) * | 2015-12-25 | 2016-04-13 | 云南昆船第一机械有限公司 | Lossless detection method of dynamic fault of large power main contactor |
-
2014
- 2014-09-12 CN CN201420525112.4U patent/CN204101694U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316868A (en) * | 2014-09-12 | 2015-01-28 | 温州大学 | Testing device for dynamic characteristic of contactor |
| CN104316868B (en) * | 2014-09-12 | 2017-12-19 | 温州大学 | Contactor dynamic characteristic test equipment |
| CN105486704A (en) * | 2015-12-25 | 2016-04-13 | 云南昆船第一机械有限公司 | Lossless detection method of dynamic fault of large power main contactor |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150114 Effective date of abandoning: 20171219 |