CN203376465U - Electromagnet attracting force measuring device - Google Patents
Electromagnet attracting force measuring device Download PDFInfo
- Publication number
- CN203376465U CN203376465U CN201320466775.9U CN201320466775U CN203376465U CN 203376465 U CN203376465 U CN 203376465U CN 201320466775 U CN201320466775 U CN 201320466775U CN 203376465 U CN203376465 U CN 203376465U
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- electromagnet
- temperature
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- iron block
- spring
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Abstract
The utility model discloses an electromagnet attracting force measuring device, which comprises an electromagnet fixing bracket and a traction measuring mechanism, wherein the electromagnet fixing bracket is used for fixing an electromagnet to be measured, and the traction measuring mechanism is used for applying a separation force to an iron block attracted on the electromagnet to be measured so as to overcome an electromagnetic attracting force. The measuring device further comprises a low-temperature container and a protective tank, wherein the low-temperature container is used for containing a low-temperature medium, and the protective tank is used for being immersed in the low-temperature medium in the low-temperature container. The protective tank is provided with an inner cavity and an opening, wherein the inner cavity is used for placing the electromagnet to be measured, and the opening is provided for attracting the iron block by the electromagnet to be measured. The protective tank is sleeved outside the electromagnet to be measured and enabled to be immersed in the low-temperature medium in the low-temperature container. When the temperature at the position where the electromagnet to be measured is located reaches a set low temperature required by measurement, the electromagnet is electrified, and the iron block is attracted to the electromagnet. The traction measuring mechanism applies the separation force to the iron block, and an attracting force value of the electromagnet to be measured under the set low temperature can be acquired through the traction measuring mechanism when the iron block is separated from the electromagnet to be measured.
Description
Technical field
The utility model relates to a kind of electromagnet suction measurement mechanism.
Background technology
In electromagnet performance measurement process, need to be measured the suction value of electromagnet, during measurement, electromagnet is switched on, iron block is adsorbed on electromagnet, then apply the separation force that overcomes electromagnetic attraction so that iron block separates with electromagnet by the traction measuring mechanism to iron block, there is the efferent for being connected with iron block on the traction measuring mechanism.Existing traction measuring mechanism can be for the spring haulage gear that utilizes spring traction iron block as weight beam, and the elastic modulus that the deflection by spring when iron block and electromagnet are separated is multiplied by spring can obtain the suction of electromagnet to be measured.The traction measuring mechanism can be also the pulling force haulage gear in disclosed electromagnet device for testing tensile force in the Chinese utility model patent that is CN203024917U as Granted publication number, this pulling force haulage gear comprises force application mechanism and pulling force sensor, pulling force sensor can record the pulling force when iron block separates with electromagnet, and this pulling force is the suction of electromagnet to be measured.
But above-mentioned electromagnet suction measurement mechanism all just carries out suction measurement to electromagnet at normal temperatures, can not measure the suction value of electromagnet to be measured under low temperature environment, not comprehensive to the measurement of electromagnet performance.
The utility model content
The purpose of this utility model is to provide a kind of electromagnet suction measurement mechanism, can not measure the technical matters of the electromagnet suction value under low temperature environment to solve electromagnet suction measurement mechanism of the prior art.
For achieving the above object, the technical scheme of electromagnet suction measurement mechanism provided by the utility model is: the electromagnet suction measurement mechanism, comprise for the electromagnet fixed mount of fixing tested electromagnet with for the traction measuring mechanism to being adsorbed on iron block on tested electromagnet and applying the separation force that overcomes electromagnetic attraction, described measurement mechanism also comprises for the low-temperature (low temperature) vessel of splendid attire cryogenic media with for the safety can of the cryogenic media that immerses low-temperature (low temperature) vessel, this safety can has the inner chamber for placing described tested electromagnet and adsorbs the opening of iron block for tested electromagnet.
Described measurement mechanism also comprises that temperature sensor has signal output part for being arranged in described safety can to measure the temperature sensor of cavity temperature in safety can.
Described electromagnet fixed mount comprises for being placed on the base of low-temperature (low temperature) vessel, the base upper end is installed with two guideposts that extend along the vertical direction, be installed with respectively along the vertical direction rise leveling platform for described traction measuring mechanism is installed on two guideposts and for the downward leveling platform of fixed protection tank and tested electromagnet, described traction measuring mechanism is spring haulage gear or for having the pulling force haulage gear of force application mechanism and pulling force sensor.
Described spring traction measuring mechanism comprises the adjusting lever raised on the leveling platform for being assemblied in, swirel and spring, the bottom of adjusting lever has the anti-drop head consisted of rounded nose and necking segment, the top of swirel has the T-shaped anticreep groove coordinated with described anti-drop head, the rounded nose of anti-drop head is corresponding to be embedded in T-shaped anticreep groove, and anti-drop head upwards was rotatably assorted with T-shaped anticreep groove in adjusting lever week, the bottom of swirel and the upper end of spring are connected, the lower end of spring is the clutch end for being adsorbed on iron block on tested electromagnet and being connected to apply separation force.
Described rise leveling platform and lower the leveling platform and all can move along the guide direction of guidepost, and be fixed on the dog screw on guidepost being provided with between two adjustment platforms and guidepost for after two adjustment platform movement adjustment, adjusting platform.
Usefulness of the present utility model is: in electromagnet suction measurement mechanism provided by the utility model, be provided with low-temperature (low temperature) vessel, during measurement, tested electromagnet is fixed on to the electromagnet fixed mount, safety can is sleeved on outside tested electromagnet, and make safety can immerse in the cryogenic media of low-temperature (low temperature) vessel and then form low temperature environment around tested electromagnet, when the temperature at tested electromagnet place reaches the desired setting low temperature of measurement, to electromagnet, switch on, the opening that iron block is provided with through safety can is attracted on electromagnet, apply and overcome the separation force of electromagnet suction to force iron block and tested electromagnet to separate to iron block by the traction measuring mechanism, when iron block separates with tested electromagnet, can measure the suction value of setting tested electromagnet under low temperature by the traction measuring mechanism.Electromagnet suction measurement mechanism provided by the utility model simple in structure, can effectively realize under low temperature environment the measurement to the electromagnet suction value by this measurement mechanism.
Further, can, by being arranged in the internal temperature of the temperature sensor measurement safety can in safety can, being convenient to improve measuring accuracy and measuring efficiency.
Further, the electromagnet fixed mount is placed on to traction measuring mechanism below, during measurement, tested electromagnet, in lower position, is convenient to arrange that low-temperature (low temperature) vessel is to provide low temperature environment to tested electromagnet.
The accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of electromagnet suction measurement mechanism provided by the utility model;
Fig. 2 is the perspective view of the swirel of measurement mechanism in Fig. 1;
Fig. 3 is the perspective view of the adjusting lever of measurement mechanism in Fig. 1.
Embodiment
As shown in Figure 1 to Figure 3, a kind of embodiment of electromagnet suction measurement mechanism, measurement mechanism in this embodiment comprises base 4, the upper end of base 4 is installed with two guideposts that extend along the vertical direction, two guideposts comprise left guidepost 11 and right guidepost 17, on two guideposts along the vertical direction correspondence be equipped with and raise leveling platform 10 and lower leveling platform 7, wherein, base 4, two guideposts and lower the electromagnet fixed mount that leveling platform 7 forms for fixing tested electromagnet 2.Be provided with the traction measuring mechanism that applies the acting force that forces iron block 8 to separate with tested electromagnet 2 for be adsorbed on iron block 8 on tested electromagnet 2 to measuring process raising on leveling platform 10, traction measuring mechanism herein is the spring haulage gear, the spring haulage gear comprises adjusting lever 12, swirel 13 and the spring 9 raised on leveling platform 10 for being assemblied in, adjusting lever 12 spirals are assemblied in and raise on leveling platform 10, by rotating adjusting lever 12, can drive moving up and down of adjusting lever 12.The bottom of adjusting lever 12 has the anti-drop head consisted of rounded nose 120 and necking segment 122, the top of swirel 13 has the T-shaped anticreep groove 130 coordinated with described anti-drop head, the rounded nose 120 of anti-drop head is corresponding to be embedded in T-shaped anticreep groove 130, and anti-drop head upwards rotates assembling with T-shaped anticreep groove 130 in adjusting lever week, the upper end of the bottom of swirel 13 and spring 9 is connected, and the lower end of spring 9 is the clutch end for to being adsorbed on iron block 8 on tested electromagnet and being connected to apply separation force.
Rise leveling platform 10 and downward leveling platform 7 herein all can move along the guide direction of two guideposts, and between two adjustment platforms and two guideposts, are being provided with for after two adjustment platform movement adjustment, two adjustment platforms being fixed on to the dog screw 14 on guidepost.
In addition, the measurement mechanism that the present embodiment provides also comprises the low-temperature (low temperature) vessel 1 for the splendid attire low temperature liquid nitrogen, and low-temperature (low temperature) vessel 1 splendid attire low temperature liquid nitrogen is to provide low temperature environment to tested electromagnet.Because tested electromagnet 2 need to be put into to low-temperature (low temperature) vessel 1 when measuring; for preventing that electric leakage and cryogenic media from immersing tested electromagnet inside electromagnet is caused to damage; measurement mechanism also comprises the safety can 3 of the low temperature liquid nitrogen for immersing low-temperature (low temperature) vessel; this safety can has the inner chamber 5 for placing tested electromagnet 2 and adsorbs the opening of iron block for tested electromagnet; tested electromagnet is positioned at safety can; by safety can, the low temperature liquid nitrogen in electromagnet and low-temperature (low temperature) vessel is separated, effectively protected tested electromagnet.Cryogenic media in low-temperature (low temperature) vessel is low temperature liquid nitrogen herein, low-temperature (low temperature) vessel is enclosed construction, and now, the opening on safety can need pass the inner chamber of low-temperature (low temperature) vessel, for guaranteeing sealing, on safety can, be provided with for being located on the low-temperature (low temperature) vessel housing and the section of being sealed and matched be sealed and matched with it.
Measurement mechanism also comprises that temperature sensor 6 has signal output part, is connected with on the signal output part of temperature sensor the wire of temperature signal output for being arranged in safety can 3 to measure the temperature sensor 6 of cavity temperature in safety can.
Measurement mechanism also comprises to the power supply 16 of tested electromagnet power supply.
When the electromagnet suction measurement mechanism that use the present embodiment provides is measured the suction value of electromagnet, at first choose suitable spring according to the suction value of tested Electromagnetic Design, adjust the distance of platform according to spring length adjustment two, length when two distances of adjusting platforms are slightly larger than spring and do not stress, and use dog screw 14 that two adjustment platforms are fixed on two guideposts.Tested electromagnet 2 is fixed on and lowers on leveling platform 7 by stationary platform 15.The spring haulage gear correspondence that will be comprised of adjusting lever 12, spring 9 and swirel 13 is assemblied in and raises on leveling platform 10, and the clutch end of spring 9 and iron block 8 are connected.By temperature sensor with to the power lead of electromagnet power supply, draw.Safety can 3 correspondences are fixedly set on tested electromagnet 2 to the tested electromagnet 2 absorption iron blocks 8 of the opening of safety can 3 after iron block 8 is for energising.Base, tested electromagnet and safety can are immersed in low-temperature (low temperature) vessel 1, and be filled with low temperature liquid nitrogen in low-temperature (low temperature) vessel 1, in temperature sensor detects safety can, cavity temperature reaches while measuring desired setting low temperature, energising makes tested electromagnet 2 absorption iron blocks 8, the downward drag spring 9 of iron block 8, record the now position L of adjusting lever
1, by rotating adjusting lever 12 with the extension spring 9 that makes progress, while until the separation force that spring 9 applies to iron block 8 overcomes the suction of tested electromagnet 2, causing iron block 8 to separate with tested electromagnet 2, record the now position L of adjusting lever 12
2, the deflection △ L that the spacing of two positions is spring 9, then take off spring, spring force F when measuring spring produces the deflection of △ L on spring force measuring machine, and this spring force F is the suction value of tested electromagnet.
In above-described embodiment, the traction measuring mechanism is the spring haulage gear, in other embodiments, also can adopt the pulling force haulage gear with force application mechanism and pulling force sensor of the prior art.
In above-described embodiment, the low temperature liquid nitrogen of splendid attire in low-temperature (low temperature) vessel, now, low-temperature (low temperature) vessel mostly is closed container.In other embodiments also can splendid attire other not volatile cryogenic media as ice, now, low-temperature (low temperature) vessel can not seal yet.
Claims (5)
1. electromagnet suction measurement mechanism, comprise for the electromagnet fixed mount of fixing tested electromagnet with for the traction measuring mechanism to being adsorbed on iron block on tested electromagnet and applying the separation force that overcomes electromagnetic attraction, it is characterized in that: described measurement mechanism also comprises for the low-temperature (low temperature) vessel of splendid attire cryogenic media with for the safety can of the cryogenic media that immerses low-temperature (low temperature) vessel, and this safety can has inner chamber for placing described tested electromagnet and for the opening of tested electromagnet absorption iron block.
2. electromagnet suction measurement mechanism according to claim 1 is characterized in that: described measurement mechanism also comprises that temperature sensor has signal output part for being arranged in described safety can to measure the temperature sensor of cavity temperature in safety can.
3. electromagnet suction measurement mechanism according to claim 1 and 2, it is characterized in that: described electromagnet fixed mount comprises for being placed on the base of low-temperature (low temperature) vessel, the base upper end is installed with two guideposts that extend along the vertical direction, be installed with respectively along the vertical direction rise leveling platform for described traction measuring mechanism is installed on two guideposts and for the downward leveling platform of fixed protection tank and tested electromagnet, described traction measuring mechanism is spring haulage gear or for having the pulling force haulage gear of force application mechanism and pulling force sensor.
4. electromagnet suction measurement mechanism according to claim 3, it is characterized in that: described spring traction measuring mechanism comprises the adjusting lever raised on the leveling platform for being assemblied in, swirel and spring, the bottom of adjusting lever has the anti-drop head consisted of rounded nose and necking segment, the top of swirel has the T-shaped anticreep groove coordinated with described anti-drop head, the rounded nose of anti-drop head is corresponding to be embedded in T-shaped anticreep groove, and anti-drop head upwards was rotatably assorted with T-shaped anticreep groove in adjusting lever week, the bottom of swirel and the upper end of spring are connected, the lower end of spring is the clutch end for being adsorbed on iron block on tested electromagnet and being connected to apply separation force.
5. electromagnet suction measurement mechanism according to claim 3, it is characterized in that: described rise leveling platform and lower the leveling platform and all can move along the guide direction of guidepost, and be fixed on the dog screw on guidepost being provided with between two adjustment platforms and guidepost for after two adjustment platform movement adjustment, adjusting platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320466775.9U CN203376465U (en) | 2013-07-26 | 2013-07-26 | Electromagnet attracting force measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320466775.9U CN203376465U (en) | 2013-07-26 | 2013-07-26 | Electromagnet attracting force measuring device |
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| Publication Number | Publication Date |
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| CN203376465U true CN203376465U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320466775.9U Expired - Lifetime CN203376465U (en) | 2013-07-26 | 2013-07-26 | Electromagnet attracting force measuring device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568537A (en) * | 2016-11-08 | 2017-04-19 | 上海宇航系统工程研究所 | Electromagnet suction measuring device |
| CN107748340A (en) * | 2017-11-14 | 2018-03-02 | 苏州绿控传动科技有限公司 | Electromagnet suction detection means |
| CN110007256A (en) * | 2019-03-01 | 2019-07-12 | 湖北三江航天红峰控制有限公司 | A kind of test device of electromagnet suction and moving displacement |
| CN110160480A (en) * | 2019-05-31 | 2019-08-23 | 湖南科美达电气股份有限公司 | A kind of device and test method measuring absorbate average airgap |
| CN115717954A (en) * | 2022-11-25 | 2023-02-28 | 大连环友屏蔽泵有限公司 | Canned motor pump rotor position measuring device |
-
2013
- 2013-07-26 CN CN201320466775.9U patent/CN203376465U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568537A (en) * | 2016-11-08 | 2017-04-19 | 上海宇航系统工程研究所 | Electromagnet suction measuring device |
| CN106568537B (en) * | 2016-11-08 | 2019-03-12 | 上海宇航系统工程研究所 | A kind of electromagnet suction measuring device |
| CN107748340A (en) * | 2017-11-14 | 2018-03-02 | 苏州绿控传动科技有限公司 | Electromagnet suction detection means |
| CN107748340B (en) * | 2017-11-14 | 2023-12-29 | 苏州绿控传动科技股份有限公司 | Electromagnet suction force detection device |
| CN110007256A (en) * | 2019-03-01 | 2019-07-12 | 湖北三江航天红峰控制有限公司 | A kind of test device of electromagnet suction and moving displacement |
| CN110007256B (en) * | 2019-03-01 | 2020-12-15 | 湖北三江航天红峰控制有限公司 | Electromagnet suction and motion displacement testing device |
| CN110160480A (en) * | 2019-05-31 | 2019-08-23 | 湖南科美达电气股份有限公司 | A kind of device and test method measuring absorbate average airgap |
| CN115717954A (en) * | 2022-11-25 | 2023-02-28 | 大连环友屏蔽泵有限公司 | Canned motor pump rotor position measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |
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| CX01 | Expiry of patent term |