CN103207040A - Device for detecting absorption and impact force of contactor iron core - Google Patents
Device for detecting absorption and impact force of contactor iron core Download PDFInfo
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- CN103207040A CN103207040A CN2013100850976A CN201310085097A CN103207040A CN 103207040 A CN103207040 A CN 103207040A CN 2013100850976 A CN2013100850976 A CN 2013100850976A CN 201310085097 A CN201310085097 A CN 201310085097A CN 103207040 A CN103207040 A CN 103207040A
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- iron core
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Abstract
The invention relates to a device for detecting absorption and impact force of a contactor iron core. The device comprises a support, a static iron core fixing table and a movable iron core fixing table, wherein the movable iron core fixing table is opposite to the static iron core fixing table and can slide relative to the static iron core fixing table, a counter-force spring is arranged between the movable iron core fixing table and the static iron core fixing table, and an impact force sensor is arranged on the static iron core fixing table. The movable iron core fixing table comprises an over-travel spring mechanism, a movable iron core fixing plate and a blacking plate, wherein the over-travel spring mechanism comprises an over-travel spring and a spring fixing frame. The spring fixing frame is fixed on the blocking plate, the movable iron core fixing plate is sleeved on the spring fixing frame in a sliding mode and is supported on the spring fixing frame through floating of the over-travel spring, the over-travel spring is extruded by the movable iron core fixing plate in butt joint with the blocking plate to form pre-compression, and the blocking plate is arranged on the support and is located on a motion curve of the blocking plate, and the support and the blocking plate form limited match. The device for detecting the absorption and impact force of the contactor iron core has the advantage of being accurate and reliable in detection results.
Description
Technical field
The present invention relates to the contactor technical field, be specifically related to a kind of contactor device for detecting performance, definite says so for when contactor is closed the pick-up unit that the impulsive force that produces during to the iron core adhesive is measured.
Background technology
Contactor is that a class relies on electromagnetic force adhesive and disjunction, realizes Circuits System is carried out switching automation of operation equipment; The size of electromagnetic force has material impact for dynamic property and the life-span thereof of contactor.Electromagnetic attraction is spent the impulsive force of bearing when conference strengthens the iron core adhesive, reduction of service life; The too small contactor that then can't make of electromagnetic force is finished effective closure.At present, do not have the special device that this performance of contactor is detected in the prior art, in the time of can't actually grasping the contactor closure, the impulsive force that the adhesive of sound iron core produces, make contactor product quality inspection and optimization are limited to, be unfavorable for the improvement of contactor performance and the serviceable life of improving contactor.
Summary of the invention
Deficiency at the prior art existence, the object of the present invention is to provide a kind of pick-up unit for detection of contactor iron core adhesive impact force, have simple in structure, easy to operate, in the time of can actually grasping the contactor closure, the impulsive force size that dynamic and static iron core adhesive produces is convenient to contactor is carried out quality inspection, and to the optimization of its dynamic property, improve contactor serviceable life.
For achieving the above object, the invention provides following technical scheme: a kind of pick-up unit for detection of contactor iron core adhesive impact force, include support and be arranged on the support static iron core fixed station that is used for fixing static iron core and be used for the fixing moving iron core fixed station that moves iron core, described moving iron core fixed station and static iron core fixed station are oppositely arranged, and the static iron core fixed station slides relatively, be provided with between described moving iron core fixed station and the static iron core fixed station moving iron core fixed station is pushed away the reaction spring that the static iron core fixed station resets, described static iron core fixed station is provided with to detect and moves, the impact force sensor of static iron core adhesive collision impact power, described moving iron core fixed station includes excess of stroke spring device, moving iron core fixed head and baffle plate, described excess of stroke spring device comprises excess of stroke spring and spring anchorage bracket, spring anchorage bracket is fixedly mounted on the baffle plate, described moving iron core fixed head is slidingly located on the spring anchorage bracket, and be supported on the spring anchorage bracket through excess of stroke spring floating, described moving iron core fixed head and baffle plate butt constitute described moving iron core fixed head extruding excess of stroke spring and form precompression, described support is provided with block, and block is positioned on the baffle plate movement locus and with baffle plate and constitutes spacing the cooperation.
By adopting technique scheme, the invention provides a kind of simple in structure, the easy to operate pick-up unit for detection of contactor iron core adhesive impact force, when this pick-up unit detects, moving iron core to be detected is installed on the moving iron core fixed head, static iron core is fixed on the static iron core fixed station, to the coil electricity on the static iron core, moving iron core is under the effect of electromagnetic attraction, drive moving iron core fixed head, baffle plate moves to the static iron core fixed station together, behind the motion certain distance, baffle plate and the block collision stop motion that is on the baffle plate movement locus, when being equivalent to the contactor closure, moving, static contact closed action, moving iron core and moving iron core fixed head are then compressed excess of stroke spring and are proceeded excess of stroke motion, bump until moving iron core and static iron core, the impact force sensor detects and obtains to move simultaneously, impulsive force when static iron core bumps is finished detection; Pick-up unit of the present invention arranges excess of stroke spring device and baffle plate, block, has well simulated dynamic and static iron core motion and stressing conditions in the actual closing course of contactor, guarantees to detect to be consistent with actual working state, and the assurance testing result accurately and reliably.
The present invention further is set to: described static iron core fixed station includes lifting table mechanism and mounting plate, described mounting plate is fixedly installed on the support, described reaction spring one end is fixedly supported on the mounting plate, the other end is fixed on the moving iron core installing plate, described lifting table mechanism includes the static iron core installing plate and drives the lifting assembly of static iron core installing plate lifting, and the impact force sensor is installed on the static iron core installing plate.
By adopting technique scheme, realize the static iron core position-adjustable, namely to moving, clearance between the static iron core is regulated, and the setting of mounting plate and reaction spring is installed on the mounting plate, when regulating the static iron core position, can not influence the decrement of excess of stroke spring, thereby the various differences of realization simulation are driven the contactor of distance, finish difference is driven the contactor of distance when closed, moving, the collision impact power that the static iron core adhesive produces is measured, and reaction spring is arranged on the moving iron core fixed head simultaneously, makes in the pick-up unit testing process, more press close to contact in the practical work process stressed, further guarantee the accuracy of testing result.
The present invention further is set to: described lifting assembly is screw component, includes operating grip and screw mandrel, screw mandrel one end fitting operation handle, and the other end and static iron core installing plate are connected.
By adopting technique scheme, adopt screw mandrel to realize descending operation, it is simple to have mechanism structure, realize the electrodeless adjusting in the certain spacing range of dynamic and static iron core simultaneously, guarantee that accurately adjusting difference opens distance, finish difference and drive the contactor of distance when closed, the collision impact power that dynamic and static iron core adhesive produces is measured.
The present invention further is set to: described spring anchorage bracket is U-shaped tube-in-tube structure, described moving iron core fixed head is set on the U-shaped sleeve slidably, form excess of stroke spring installation cavity between described moving iron core fixed head and the U-shaped cover tube bottom, excess of stroke spring is installed in the excess of stroke spring installation cavity, excess of stroke spring one end is pressed on U-shaped cover tube bottom, the other end is pressed on the moving iron core fixed head, constitute described moving iron core fixed head and be supported on the U-shaped sleeve through excess of stroke spring floating, the top of described U-shaped sleeve is fixed on the described baffle plate.
By adopting technique scheme, spring anchorage bracket adopts U-shaped tube-in-tube structure setting, excess of stroke spring easy to assembly, reliable and stable, simultaneously, assembling and the sliding stability of moving iron core fixed head.
Below in conjunction with accompanying drawing the present invention is further described.
Description of drawings
Fig. 1 is the structural representation of the specific embodiment of the invention.
Embodiment
Referring to accompanying drawing 1, a kind of pick-up unit for detection of contactor iron core adhesive impact force disclosed by the invention includes support 1, static iron core fixed station 2 and moving iron core fixed station 3; Be installed with static iron core 5 on the static iron core fixed station 2, be arranged with coil 6 on the static iron core 5, placing the impact force sensor 7(impact force sensor 7 that detects dynamic and static iron core 4,5 adhesive collision impact power below static iron core 5 is known technology well known to those of ordinary skill in the art, so do not give unnecessary details), impact force sensor 7 is fixed on the static iron core fixed station 2, is installed with moving iron core 4 on the moving iron core fixed station 3; Described moving iron core fixed station 3 is oppositely arranged with static iron core fixed station 2, and static iron core fixed station 2 slips relatively of moving iron core fixed station 3; Be provided with between described moving iron core fixed station 3 and the static iron core fixed station 2 moving iron core fixed station 3 is pushed away the reaction spring 8 that static iron core fixed station 2 resets, in this specific embodiment, moving iron core fixed station 3 is supported on static iron core fixed station 2 tops through reaction spring 8, reaction spring 8 all plays buffer action in whole test process, setting makes device more meet the contactor inner structure like this, guarantees the accurate and effective of testing result; Described moving iron core fixed station 3 includes excess of stroke spring device 30, moving iron core fixed head 31 and baffle plate 32, described excess of stroke spring device 30 comprises excess of stroke spring 300 and spring anchorage bracket 301, in this specific embodiment, spring anchorage bracket 301 is U-shaped tube-in-tube structure, at moving iron core fixed head 31 guide hole that is inserted in U-shaped sleeve two vertical parts is set, moving iron core fixed head 31 is set on the U-shaped sleeve slidably, between moving iron core fixed head 31 and U-shaped cover tube bottom, form excess of stroke spring installation cavity, excess of stroke spring 300 is installed in the excess of stroke spring installation cavity, excess of stroke spring 300 1 ends are pressed on U-shaped cover tube bottom, the other end is pressed on the moving iron core fixed head 31, constitute described moving iron core fixed head 31 through excess of stroke spring 300 unsteady being supported on the U-shaped sleeve, and moving iron core fixed head 31 connects with baffle plate 32 and makes moving iron core fixed head 31 extruding excess of stroke springs 300 form certain precompression, and the precompression of excess of stroke spring 300 is regulated and can be realized through the position that changes moving iron core fixed head 31 or the excess of stroke spring 300 of changing the different performance index; The top via pins of described U-shaped sleeve is spacing to be fixed on the described baffle plate 32; During installation, the automatic iron core fixed head 31 of U-shaped sleeve is upwards assembled, and compression excess of stroke spring 300, reach after certain precompression, with pin U-shaped sleeve top is locked on baffle plate 32; Certainly spring anchorage bracket 301 also can adopt the bolt arrangement setting.Described support 1 is provided with block 9, and block 9 is arranged in baffle plate 32 movement locus (this movement locus is the motion track of dynamic and static iron core 4,5 attracting process baffle plates 32) upward and constitutes spacing cooperations with baffle plate 32, is equivalent to the closure of the inner dynamic and static contact of contactor; In this specific embodiment, support 1 is provided with the guide groove 10 that be arranged in parallel along baffle plate 32 movement locus, and block 9 is locked on guide groove 10, realizes that like this position of block 9 is adjustable, makes things convenient for the gap between controllable register 32 and the block 9.
Be further convenient detection, described static iron core fixed station 2 includes lifting table mechanism and mounting plate 21, described mounting plate 21 fixedly installs (can be fixing assembling or whole machine-shaping) on support 1, described reaction spring 8 one ends are fixedly supported on the mounting plate 21, and the other end is fixed on the moving iron core installing plate 31; Described lifting table mechanism includes static iron core installing plate 22 and drives the lifting assembly of static iron core installing plate 22 liftings, on the static iron core installing plate 22 through fixed cover locking static iron core 5, impact force sensor 7 is installed on the static iron core installing plate 22, and is positioned at the below of static iron core 5.In this specific embodiment, described lifting assembly is screw component, includes operating grip 24 and screw mandrel 23, screw mandrel 23 1 end fitting operation handles 24, and the other end and static iron core installing plate 22 are connected.Certainly lifting assembly can also be rack-and-pinion, or gear location structure etc., but screw component has advantage simple in structure, easy to operate, so the present invention preferentially adopts screw component.
The present invention for detection of the principle of work of the pick-up unit of contactor iron core adhesive impact force is: 1) rotating operating handle 24, regulate the height of static iron core installing plate 22 as required, namely regulate the gap between moving iron core 4 and the static iron core 5, (because in adjustment process, reaction spring 8 is unaffected, the decrement of excess of stroke spring 300 is constant, and namely precompression is constant, thereby the impact force that realization is opened the contactor generation of distance to difference is measured); 2) coil 6 on the static iron core 5 is switched on, moving iron core 4 is under the electromagnetic attraction effect, drive moving iron core fixed head 31, baffle plate 32 moves downward together, behind the motion certain distance, the stop motion that bumps of baffle plate 32 and block 9,31 compressions of moving iron core 4 and moving iron core fixed head excess of stroke spring 300 continues to carry out excess of stroke motion downwards, bump with static iron core 5 until moving iron core 4, when moving, static iron core 4,5 when bumping, the impulsive force that produces passes to impact force sensor 7 by static iron core 5, thereby obtains moving by impact force sensor 7, static iron core 4, the 5 impulsive force sizes that bump.When pick-up unit of the present invention can carry out closure to the contactor that difference is opened distance, sound iron core collision impact power was carried out continuous coverage; Have easy to detect, the setting of excess of stroke spring device, baffle plate, block and reaction spring simultaneously, real simulated during contactor work, the motion during dynamic and static iron core adhesive is stressed, guarantees that testing result is true and reliable.
Claims (4)
1. pick-up unit for detection of contactor iron core adhesive impact force, it is characterized in that: include support and be arranged on the support static iron core fixed station that is used for fixing static iron core and be used for the fixing moving iron core fixed station that moves iron core, described moving iron core fixed station and static iron core fixed station are oppositely arranged, and the static iron core fixed station slides relatively, be provided with between described moving iron core fixed station and the static iron core fixed station moving iron core fixed station is pushed away the reaction spring that the static iron core fixed station resets, described static iron core fixed station is provided with to detect and moves, the impact force sensor of static iron core adhesive collision impact power, described moving iron core fixed station includes excess of stroke spring device, moving iron core fixed head and baffle plate, described excess of stroke spring device comprises excess of stroke spring and spring anchorage bracket, spring anchorage bracket is fixedly mounted on the baffle plate, described moving iron core fixed head is slidingly located on the spring anchorage bracket, and be supported on the spring anchorage bracket through excess of stroke spring floating, described moving iron core fixed head and baffle plate butt constitute described moving iron core fixed head extruding excess of stroke spring and form precompression, described support is provided with block, and block is positioned on the baffle plate movement locus and with baffle plate and constitutes spacing the cooperation.
2. according to the described pick-up unit for detection of contactor iron core adhesive impact force of claim 1, it is characterized in that: described static iron core fixed station includes lifting table mechanism and mounting plate, described mounting plate is fixedly installed on the support, described reaction spring one end is fixedly supported on the mounting plate, the other end is fixed on the moving iron core installing plate, described lifting table mechanism includes the static iron core installing plate and drives the lifting assembly of static iron core installing plate lifting, and the impact force sensor is installed on the static iron core installing plate.
3. according to the described pick-up unit for detection of contactor iron core adhesive impact force of claim 2, it is characterized in that: described static iron core fixed station includes lifting table mechanism and mounting plate, described mounting plate is fixedly installed on the support, described reaction spring one end is fixedly supported on the mounting plate, the other end is fixed on the moving iron core installing plate, described lifting table mechanism includes the static iron core installing plate and drives the lifting assembly of static iron core fixed station lifting, and the impact force sensor is installed on the static iron core fixed station.
4. according to claim 1 or 2 or 3 described pick-up units for detection of contactor iron core adhesive impact force, it is characterized in that: described spring anchorage bracket is U-shaped tube-in-tube structure, described moving iron core fixed head is set on the U-shaped sleeve slidably, form excess of stroke spring installation cavity between described moving iron core fixed head and the U-shaped cover tube bottom, excess of stroke spring is installed in the excess of stroke spring installation cavity, excess of stroke spring one end is pressed on U-shaped cover tube bottom, the other end is pressed on the moving iron core fixed head, constitute described moving iron core fixed head and be supported on the U-shaped sleeve through excess of stroke spring floating, the top of described U-shaped sleeve is fixed on the described baffle plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085097.6A CN103207040B (en) | 2013-03-15 | 2013-03-15 | Device for detecting absorption and impact force of contactor iron core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085097.6A CN103207040B (en) | 2013-03-15 | 2013-03-15 | Device for detecting absorption and impact force of contactor iron core |
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| CN103207040A true CN103207040A (en) | 2013-07-17 |
| CN103207040B CN103207040B (en) | 2014-12-03 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108535640A (en) * | 2018-03-29 | 2018-09-14 | 广东电网有限责任公司 | A kind of breaker coil output size detection device |
| CN108562356A (en) * | 2017-12-22 | 2018-09-21 | 东方通信股份有限公司 | A kind of vibration invading detector verifying attachment |
| CN110806309A (en) * | 2018-08-03 | 2020-02-18 | 施耐德电器工业公司 | Testing device for contactor |
| CN112213670A (en) * | 2020-10-13 | 2021-01-12 | 哈尔滨工业大学 | Device for testing magnetization performance of soft magnetic material of electromagnetic system and testing method based on device |
| CN112230138A (en) * | 2020-10-13 | 2021-01-15 | 哈尔滨工业大学 | Device and method for testing dynamic attraction counterforce fit relation of relay model switch |
| CN112284591A (en) * | 2020-10-13 | 2021-01-29 | 哈尔滨工业大学 | Device for testing dynamic attraction characteristics of electromagnet and testing method based on device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562356A (en) * | 2017-12-22 | 2018-09-21 | 东方通信股份有限公司 | A kind of vibration invading detector verifying attachment |
| CN108535640A (en) * | 2018-03-29 | 2018-09-14 | 广东电网有限责任公司 | A kind of breaker coil output size detection device |
| CN110806309A (en) * | 2018-08-03 | 2020-02-18 | 施耐德电器工业公司 | Testing device for contactor |
| CN110806309B (en) * | 2018-08-03 | 2022-03-08 | 施耐德电器工业公司 | Testing device for contactor |
| CN112213670A (en) * | 2020-10-13 | 2021-01-12 | 哈尔滨工业大学 | Device for testing magnetization performance of soft magnetic material of electromagnetic system and testing method based on device |
| CN112230138A (en) * | 2020-10-13 | 2021-01-15 | 哈尔滨工业大学 | Device and method for testing dynamic attraction counterforce fit relation of relay model switch |
| CN112284591A (en) * | 2020-10-13 | 2021-01-29 | 哈尔滨工业大学 | Device for testing dynamic attraction characteristics of electromagnet and testing method based on device |
| CN112213670B (en) * | 2020-10-13 | 2024-03-05 | 哈尔滨工业大学 | Device and method for testing magnetization performance of soft magnetic material of electromagnetic system |
| CN112230138B (en) * | 2020-10-13 | 2024-03-15 | 哈尔滨工业大学 | Device and method for testing dynamic attraction and reaction force matching relation of relay model switch |
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| CN103207040B (en) | 2014-12-03 |
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Application publication date: 20130717 Assignee: ZHEJIANG TENGEN ELECTRIC Co.,Ltd. Assignor: Wenzhou University Contract record no.: 2018330000020 Denomination of invention: Device for detecting absorption and impact force of contactor iron core Granted publication date: 20141203 License type: Exclusive License Record date: 20180320 |
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Effective date of registration: 20220706 Address after: 310000 room 1909-1910, 19th floor, No. 459 Qige Road, Qiantang District, Hangzhou, Zhejiang Province Patentee after: Hangzhou houwu Electronic Technology Co.,Ltd. Address before: 325000 No. 276, Xueyuan Middle Road, Lucheng District, Wenzhou City, Zhejiang Province (College Road Campus of Wenzhou University) Patentee before: Wenzhou University |
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Denomination of invention: Detection device for detecting the pull in collision force of contactor core Effective date of registration: 20220727 Granted publication date: 20141203 Pledgee: Hangzhou United Rural Commercial Bank Co.,Ltd. Dachuang town sub branch Pledgor: Hangzhou houwu Electronic Technology Co.,Ltd. Registration number: Y2022980011317 |
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