CN202305776U - Magnetic induction measuring device - Google Patents
Magnetic induction measuring device Download PDFInfo
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- CN202305776U CN202305776U CN2011203998632U CN201120399863U CN202305776U CN 202305776 U CN202305776 U CN 202305776U CN 2011203998632 U CN2011203998632 U CN 2011203998632U CN 201120399863 U CN201120399863 U CN 201120399863U CN 202305776 U CN202305776 U CN 202305776U
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- magnet
- flux density
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Abstract
The utility model provides a magnetic induction measuring device which is used for detecting the magnetic induction of a magnet. The magnetic induction measuring device comprises a measuring platform, an upper transfer orbit, a lower transfer orbit, a discharge outlet, a push rod part, a feed channel, a C-type soft magnetic material component and a Hall probe, wherein the upper transfer orbit, the lower transfer orbit and the C-type soft magnetic material component are all fixed on the measuring platform, the feed channel is connected with the upper transfer orbit, a detected magnet is placed in the feed channel, and the push rod part can move in the upper transfer orbit and the lower transfer orbit. Through adopting the technical method, the measurement on the surface magnetic field intensity of a permanent magnet can be performed conveniently and quickly, and the obtained measuring data is close to the actual working state of the permanent magnet; and meanwhile, the measuring device disclosed by the utility model is quick in measuring efficiency and good in accuracy, and can be applied to the detection on batch products.
Description
Technical field
The utility model relates to a kind of magnetic flux density measurement device, relates in particular to a kind of device for fast detecting that is used to detect the space surface magnetic induction density of permanent magnet.
Background technology
Permanent magnet is after externally-applied magnetic field removes, and still can keep the object of certain remanent magnetization, and it has obtained using widely in daily life, particularly aspect motor and electronic devices and components.Using permanent magnet mainly is exactly to utilize its characteristic that can form a stable magnetic induction magnetic field in the space, and the magnitude of field intensity of this induced magnetic fields is the key index that permanent magnet uses.
The conventional method that detects the induction level of permanent magnet is to utilize gaussmeter to add the method for hall probe, and hall probe is placed on the surface of permanent magnet, through inductive pick-up, thereby detects the magnetic induction density value of single position.But because single permanent magnet; Its surface induction intensity is to present different values along with the difference of locus; The center magnetic induction density that generally shows as the polar surfaces of permanent magnet is lower than the magnetic induction density of position all around of polar surfaces; It is far away more to leave the permanent magnet polarity surface distance, and the magnetic induction magnetic field intensity is more little.
Conventional at present use gaussmeter adds the hall probe measuring method; To the position of measurement point with from the distance of permanent magnet very high requirement being arranged, must all be same position to the measurement of all permanent magnets, does not have comparative otherwise measure the numerical value that comes out; Need the expensive time simultaneously on the preliminary work of fixed position; To the detection of lot permanent magnet, every check point must all be same position, when static probe is to same position again; Detection efficiency is very slow, can't carry out a batch detection fast.And the conventional method measurement is come out is that the magnetic strength intensity of magnetic induction density and permanent magnet operating conditions of single permanent magnet is different fully.Conventional simultaneously hall probe detection method is measured and is not only received the magnet measuring position, also receives the thickness of hall probe element, the influence of user of service's level, and measurement data is widely different, and the consistance of data and accuracy can't guarantee in the time of batch detection.
Particularly; Prior art exists following not enough: method of the prior art can only be to measure the surface induction intensity of single permanent magnet; And permanent magnet will contact with other devices in real work; Form a work magnetic circuit, the magnetic field intensity of this work magnetic circuit and the magnetic field intensity of single permanent magnet are different, that is to say the Surface field intensity when prior art is measured the Surface field intensity of single permanent magnet and can't be reacted permanent magnet work.Method of the prior art can only be measured the magnetic induction density of some locus points, must fix and explains the measuring position in the time of measurement, and it is many to expend time in.When method of the prior art is changed permanent magnet at every turn and measured, must do one-time positioning again, the adjustment position, Measuring Time is longer.
The utility model content
In order to solve the deficiency that gaussmeter in the prior art adds the measuring method of hall probe; The utility model purpose is to realize a kind of detection method of the induction of permanent magnet magnetic fast and accurately; Do not need each all at the spatial position measuring of regulation, thereby can realize fast detecting in batches.
The utility model is to make permanent magnet and soft magnetic material device form the uniform magnetic field of a closure, the state when this magnetic field is equal to permanent magnet work, and the size of the magnetic induction density through measuring this uniform magnetic field realizes the measurement of permanent magnet magnetic induction.
Because the utility model is to make permanent magnet form a closed uniform magnetic field, thereby need only need not be placed on hall probe in this uniform magnetic field just passable at some predetermined concrete spatial position measurings.
The utility model adopts feeding-passage and push rod portion; Guarantee that permanent magnet all is that monolithic monolithic ground gets into the measuring position toward the direction, through promoting push rod portion back and forth, can realize that permanent magnet once gets into a slice; After preceding a slice measures; Come out through the discharging supporting plate, descend a slice permanent magnet to get into the measuring position simultaneously, realized the purpose of continuously and quickly measuring through push rod portion.
The utility model has mainly utilized the high permeance of C type soft magnetic material part, and the opening part of C type soft magnetism part is two parallel end faces, and the area of these two end faces preferably equates.Following transmission track and last transmission track are placed on permanent magnet in this opening through this opening, have air gap between the end face of the opening of permanent magnet and C type soft magnetism part.Permanent magnet and C type soft magnetism part can form a magnetic circuit; The magnetic line of force is the loop between permanent magnet, air gap, C type soft magnetism part; Thereby simulation produces a uniform magnetic field in air gap; The magnetic induction density value of the uniform magnetic field in the air gap is surveyed through the hall probe that fixes in magnetic field when this magnetic field is equal to permanent magnet work, and the numerical value that detects shows through external gaussmeter.
The utility model does not need the relative position of special fixed permanent magnet and hall probe; The permanent magnet that is only needing to incite somebody to action behind the magnetic is put into feeding-passage; Along transmission track permanent magnet is pushed the air gap place of measurement through push rod portion, thereby utilize hall probe to measure the magnetic induction density of permanent magnet.
In the time of measurement, permanent magnet is placed in the feeding-passage, through moving back and forth of push rod portion; Can release a slice permanent magnet in air gap at every turn; Each pushback pin portion that comes moves, and a slice had been measured the permanent magnet of completion before both can having released, and can push back a slice permanent magnet to be measured simultaneously again.The permanent magnet that measures comes out through the discharging supporting plate, does not influence follow-up measurement.
Embodiment according to the utility model; A kind of magnetic flux density measurement device is provided; Be used to detect the magnetic induction density of magnet, it is characterized in that: said magnetic flux density measurement device comprises measuring table, last transmission track, following transmission track, discharging opening, push rod portion, feeding-passage, C type soft magnetic material part and hall probe, wherein; Last transmission track, following transmission track and C type soft magnetic material part all are fixed on the measuring table; Feeding-passage links to each other with last transmission track, and tested magnet is placed in the feeding-passage, and push rod portion can move in last transmission track and following transmission track.
Hall probe is arranged in the air gap between magnet and the C type soft magnetic material part, is used to detect the magnetic induction density at this air gap place.
Hall probe is connected with gaussmeter, and the magnetic induction density that hall probe is collected through this gaussmeter carries out the numerical value demonstration.
Said measurement mechanism also comprises the discharging supporting plate, collects the magnet that measures through the discharging supporting plate.
Last transmission track is provided with two openings, and wherein first opening is used to hold push rod portion and allows push rod portion to slide therein, and second opening links to each other with feeding-passage.
Push rod portion comprises the push pedal that push rod that vertically extends and the along continuous straight runs that links to each other with this push rod extend, and push rod exposes in first opening outside, and push pedal is slided in measuring flume.
A plurality of tested magnets are placed in the feeding-passage, make two polar surfaces of tested magnet distinguish face up and below.
All are extremely all arranged on the surface by the side magnets N in the same direction.
Following transmission track is provided with measuring flume, perhaps is provided with measuring flume at last transmission track, perhaps goes up the lower surface of transmission track and the upper surface of following transmission track and is equipped with depression, and these two depressions are formed measuring flumes.
Each push rod portion travels forward from initial position, all just in time position in the feeding-passage by under a slice magnet be pushed into the opening middle position of C type soft magnetic material through measuring flume.
Last transmission track is provided with the scale draw-in groove, is used for push rod portion is positioned.
Through moving back and forth of push rod portion, all nethermost a slice magnet in the feeding-passage is pushed into the opening middle position at every turn, release transmission track to preceding a slice magnet through the homopolar-repulsion principle between this magnet and the last tested magnet simultaneously.
After push rod portion shifted onto magnet in the opening and finishes measurement, push rod portion continued to advance forward, thereby magnet is directly released transmission track.
C type soft magnetic material part is processed by the pure iron or the silicon steel soft magnetic material of high magnetic conduction.
Last transmission track, following transmission track, push rod portion, feeding-passage, discharging supporting plate are by non-magnetic material preparation.
C type soft magnetic material part is provided with an opening, and said opening has two parallel opposition end faces of the same area.
According to another embodiment of the utility model; A kind of magnetic flux density measurement device is provided; Be used to detect the magnetic induction density of magnet, said magnetic flux density measurement device comprises transmission track, push rod portion, feeding-passage, C type soft magnetic material part and hall probe, wherein; Transmission track and C type soft magnetic material part interfix; Feeding-passage links to each other with transmission track, and tested magnet is placed in the feeding-passage and can falls into transmission track, and push rod portion can promote magnet and in transmission track, move.
Adopt the device of the utility model, can make things convenient for the Surface field ionization meter that carries out permanent magnet fast, data measured and permanent magnet actual working state are approaching.Simultaneously convenient measurement, efficient are high, and accuracy good can be applied in the detection of magnetic induction density of bulk article.
Description of drawings
Through the description of the embodiment of the utility model being carried out below in conjunction with accompanying drawing, above-mentioned and other purposes and the characteristics of the utility model will become apparent, wherein:
Fig. 1 is the schematic perspective view according to the measurement mechanism of the embodiment of the utility model;
Fig. 2 is the front view according to the measurement mechanism of the embodiment of the utility model;
Fig. 3 is the vertical view according to the measurement mechanism of the embodiment of the utility model;
Fig. 4 is the right view according to the measurement mechanism of the embodiment of the utility model.
Embodiment
Below, specify the embodiment of the utility model with reference to accompanying drawing.
Measurement mechanism according to the embodiment of the utility model; Mainly utilize the soft magnetic material part to make the magnetic field that forms a uniform strength on the permanent magnet surfaces; Realize the measurement of the magnetic field intensity of permanent magnet through measuring this magnetic field intensity, thereby can omit the positioning step of a plurality of complicacies.
Fig. 1 is the schematic perspective view according to the measurement mechanism of the embodiment of the utility model.As shown in Figure 1, this measurement mechanism is made up of measuring table 1, time transmission track 2, last transmission track 3, push rod portion 4, feeding-passage 5, C type soft magnetic material part 6, hall probe 7.Wherein, feeding-passage 5 links to each other with last transmission track 3, and permanent magnet to be measured is placed in the feeding-passage 5, and feeding-passage 5 is arranged between push rod portion 4 and the C type soft magnetic material part 6.Preferably, the measurement mechanism according to the embodiment of the utility model also comprises discharging supporting plate 8.Preferably, following transmission track 2 also is provided with discharging opening, and discharging opening links to each other with discharging supporting plate 8, has measured the permanent magnet that finishes and can discharge through discharging opening and discharging supporting plate 8.
Fig. 2 is the front view according to the measurement mechanism of the embodiment of the utility model; Fig. 3 is the vertical view according to the measurement mechanism of the embodiment of the utility model; Fig. 4 is the right view according to the measurement mechanism of the embodiment of the utility model.
Like Fig. 2, Fig. 3 and shown in Figure 4, measuring table 1, down transmission track 2, go up transmission track 3, push rod portion 4, feeding-passage 5, discharging supporting plate 8 and process by non-magnet material.C type soft magnetic material part 6 is prepared from the soft magnetic material of high magnetic conduction, and C type soft magnetic material part 6 can be the one-piece parts that materials such as pure iron, silicon steel are made, and also can be the part that a plurality of C matrix shape soft magnetic material stacks are prepared from.
Need to prove; The implication of the utility model described " C type soft magnetic material part " not only comprises the soft magnetic material part that is shaped as strict letter C shape; Also not only comprise soft magnetic material part, also comprise the soft magnetic material part of any other shapes that only have an opening with the rectangular shape of an opening.
The opening part of the C type soft magnetic material part 6 of the utility model is two parallel end faces preferably.
As depicted in figs. 1 and 2; Transmission track is by transmission track 2 and last transmission track 3 are formed down; Can be provided with a measuring flume in the middle of wherein descending transmission track 2; Can hold push rod portion 4 and move, the outlet of sample (permanent magnet) after an end of transmission track 2 has a measurement down simultaneously with permanent magnet is parallel in the above.Last transmission track 3 has two openings, and an opening A is an elongate shape, can hold push rod portion 4 and allow push rod portion 4 to move therein, and another opening B links to each other with feeding-passage 5.Push rod portion 4 comprises the push pedal that a push rod that vertically extends and the along continuous straight runs that links to each other with this push rod extend, and push rod exposes in opening A outside, and push pedal is then slided in measuring flume.Certainly, push pedal is not limited to flat, also can be the bar that an along continuous straight runs extends.
Put into a plurality of permanent magnets from feeding-passage 5; Bottom permanent magnet can fall into said measuring flume through said another opening then; This permanent magnet can be under the promotion of push rod portion 4 (specifically; Be under the promotion of the push pedal of push rod portion 4) in measuring flume, move, this shows that feeding-passage 5 has been formed the path of travel of permanent magnet on both direction with the measuring flume in the following transmission track 2.
Need to prove that measuring flume is not limited to be arranged on down in the transmission track 2, measuring flume also can be arranged in the transmission track 3, this at present the upper surface of transmission track 2 can be smooth, depression not.The set-up mode of another kind of measuring flume is, the part of measuring flume is arranged in the transmission track 3, and another part is arranged on down in the transmission track 2.
As previously mentioned, permanent magnet is pushed under the effect of push rod portion 4 in the said opening of C type soft magnetic material part 6.There is air gap between the end face of the opening of permanent magnet and C type soft magnetism part 6 (for example, that last end face is leaned in the position of opening), preferably makes air gap thickness everywhere evenly (i.e. the polar surfaces of the permanent magnet that assurance sends is parallel with the end face of opening).Permanent magnet and C type soft magnetism part can form a magnetic circuit; The magnetic line of force is the loop between permanent magnet, air gap, C type soft magnetism part; Thereby simulation produces a uniform magnetic field in air gap, and the magnetic field in the time of this magnetic field and permanent magnet work is similar, through the hall probe that fixes (for example; A part is inserted into the hall probe 7 of transmission track 3 the insides) be used for surveying the magnetic induction density value of the uniform magnetic field in the air gap, the numerical value that detects shows through external gaussmeter.The utility model is not limited to use hall probe, all can so long as can detect the magnet field probe of magnetic field intensity.
Being used to of last transmission track 3 held the opening edge of push rod portion 4 along the scale draw-in groove is arranged, and can limit the stroke of push rod portion 4, thereby when guaranteeing each the promotion, all just in time shifts permanent magnet onto the opening middle position of C type soft magnetic material part 6.The utility model is not limited to use this scale draw-in groove to come localization handspike portion 4, and other known detent mechanisms also can be realized the effect of the utility model.
What the utility model was measured is the extremely extremely surperficial permanent magnet that is respectively its two opposite surfaces of surface, S of N, and for example, N is the extremely surperficial upper and lower surface or the upper and lower surface that can be respectively this permanent magnet of surface, S extremely.In the use, the attitude that a plurality of permanent magnets are vertically arranged by N, the S utmost point is put into feeding-passage 5, guarantee simultaneously that the polarity orientation of a plurality of magnets is identical (for example, make all magnets N extremely surface all up).When permanent magnet arrives the bottom of feeding-passage 5, artificial or utilize automaton to promote of the direction of measurement motion of push rod portion 4 to the magnetic flux density measurement device.The cooperation of the scale draw-in groove through last transmission track 3; Push rod portion 4 advances to the measuring position, shift feeding-passage 5 nethermost a slice permanent magnets the air gap middle position of C type soft magnetic material part 6 onto, thereby permanent magnet forms uniform magnetic field in the air gap of C type soft magnetic material part 6; Push rod portion 4 stops to promote; Be inserted into hall probe 7 in the transmission track 3 then with the magnetic induction density that collects, show the magnetic induction density the when permanent magnet of record acquisition is static through external gaussmeter.
When back promoting push rod portion 4, push rod portion 4 is returned to initial position, has this moment a slice to be arranged in feeding-passage 5 nethermost new permanent magnets because action of gravity falls into measuring flume again; Again promote push rod portion 4; The cooperation of the scale draw-in groove through last transmission track 3 is pushed into the measuring position to this permanent magnet that newly falls into, in the process that pushes once more; Back a slice and preceding a slice permanent magnet all are arranged in parallel in the measuring flume the inside; Because the homopolar-repulsion principle of permanent magnet in second magnet push-on process, is released first permanent magnet automatically; The permanent magnet that is pushed out comes out through discharging supporting plate 8 from transmission track, and can two be adsorbed on the transmission track the inside each other.And then realized the continuous coverage of different sheet permanent magnets.
In addition, the utility model is not limited to recited abovely utilize two repulsive interactions between the magnet to release first magnet, also can push rod portion 4 be provided with a plurality of advanced positions; When push rod portion 4 advanced to the measuring position, permanent magnet was arranged in air gap just, after finishing measurement; Push rod portion 4 can continue to advance forward; Thereby permanent magnet is directly released on the discharging supporting plate 8, and then back pulling-pushing rod portion 4 carries out the measurement to next permanent magnet to initial position.But the stretch journey must be advanced by multirow by push rod portion like this, and measuring speed can descend to some extent, and operation also can be more complicated.
In addition, the utility model is not limited to transmission track and this embodiment of following transmission track, can also save transmission track and measuring table; A kind of magnetic flux density measurement device according to another embodiment of the utility model; Be used to detect the magnetic induction density of magnet, said magnetic flux density measurement device comprises transmission track, push rod portion, feeding-passage, C type soft magnetic material part and hall probe, wherein; Transmission track and C type soft magnetic material part interfix; Feeding-passage links to each other with transmission track, and tested magnet is placed in the feeding-passage and can falls into transmission track, and push rod portion can promote magnet and in transmission track, move.
The utility model has adopted simulation permanent magnet operating conditions method to carry out the magnetic flux density measurement of permanent magnet, and the principle of utilizing the push rod portion and the permanent magnet same sex to repel each other, has realized that the rapid Continuous of bulk article is measured.
From the purpose of promotion, the preferred embodiment shown in the accompanying drawing is illustrated, and has used specific language to describe these embodiment the understanding of the principle of the utility model.Yet this specific language is not the scope of intention restriction the utility model, and the utility model should be interpreted into and comprise all embodiment that for those of ordinary skills, can occur usually.In addition, remove negator and be described as " requisite " or " crucial " especially, otherwise do not have element or module that the enforcement of the utility model is absolutely necessary.
Though described the exemplary embodiment of the utility model above in detail; But have common practise person in spirit that does not break away from the utility model and scope in the technical field under the utility model, can make various modifications, retouching and modification the embodiment of the utility model.But should be appreciated that In the view of those skilled in the art these modifications, retouching and modification will fall in the spirit and scope of exemplary embodiment of the utility model that claim limits.
Claims (18)
1. magnetic flux density measurement device is used to detect the magnetic induction density of magnet, it is characterized in that:
Said magnetic flux density measurement device comprises measuring table, last transmission track, following transmission track, discharging opening, push rod portion, feeding-passage, C type soft magnetic material part and hall probe; Wherein, Last transmission track, following transmission track and C type soft magnetic material part all are fixed on the measuring table; Feeding-passage links to each other with last transmission track, and tested magnet is placed in the feeding-passage, and push rod portion can move in last transmission track and following transmission track.
2. magnetic flux density measurement device according to claim 1 is characterized in that:
Hall probe is arranged in the air gap between magnet and the C type soft magnetic material part, is used to detect the magnetic induction density at this air gap place.
3. magnetic flux density measurement device according to claim 2 is characterized in that:
Hall probe is connected with gaussmeter, and the magnetic induction density that hall probe is collected through this gaussmeter carries out the numerical value demonstration.
4. magnetic flux density measurement device according to claim 1 and 2 is characterized in that:
Said measurement mechanism also comprises the discharging supporting plate, collects the magnet that measures through the discharging supporting plate.
5. magnetic flux density measurement device according to claim 1 and 2 is characterized in that:
Last transmission track is provided with two openings, and wherein first opening is used to hold push rod portion and allows push rod portion to slide therein, and second opening links to each other with feeding-passage.
6. magnetic flux density measurement device according to claim 5 is characterized in that:
Push rod portion comprises the push pedal that push rod that vertically extends and the along continuous straight runs that links to each other with this push rod extend, and push rod exposes in first opening outside, and push pedal is slided in measuring flume.
7. magnetic flux density measurement device according to claim 1 and 2 is characterized in that:
A plurality of tested magnets are placed in the feeding-passage, make two polar surfaces of tested magnet distinguish face up and below.
8. magnetic flux density measurement device according to claim 7 is characterized in that:
All are extremely all arranged on the surface by the side magnets N in the same direction.
9. magnetic flux density measurement device according to claim 1 and 2 is characterized in that:
Following transmission track is provided with measuring flume, perhaps is provided with measuring flume at last transmission track, perhaps goes up the lower surface of transmission track and the upper surface of following transmission track and is equipped with depression, and these two depressions are formed measuring flumes.
10. magnetic flux density measurement device according to claim 9 is characterized in that:
Each push rod portion travels forward from initial position, all just in time position in the feeding-passage by under a slice magnet be pushed into the opening middle position of C type soft magnetic material through measuring flume.
11. magnetic flux density measurement device according to claim 9 is characterized in that:
Last transmission track is provided with the scale draw-in groove, is used for push rod portion is positioned.
12., it is characterized in that according to claim 1 or 2 described magnetic flux density measurement devices:
Through moving back and forth of push rod portion, all nethermost a slice magnet in the feeding-passage is pushed into the opening middle position at every turn, release transmission track to preceding a slice magnet through the homopolar-repulsion principle between this magnet and the last tested magnet simultaneously.
13. magnetic flux density measurement device according to claim 1 and 2 is characterized in that:
After push rod portion shifted onto magnet in the opening and finishes measurement, push rod portion continued to advance forward, thereby magnet is directly released transmission track.
14. magnetic flux density measurement device according to claim 1 and 2 is characterized in that:
C type soft magnetic material part is processed by the pure iron or the silicon steel soft magnetic material of high magnetic conduction.
15. magnetic flux density measurement device according to claim 1 and 2 is characterized in that:
Last transmission track, following transmission track, push rod portion, feeding-passage, discharging supporting plate are by non-magnetic material preparation.
16. magnetic flux density measurement device according to claim 1 and 2 is characterized in that:
C type soft magnetic material part is provided with an opening, and said opening has two parallel opposition end faces of the same area.
17. a magnetic flux density measurement device is used to detect the magnetic induction density of magnet, it is characterized in that:
Said magnetic flux density measurement device comprises transmission track, push rod portion, feeding-passage, C type soft magnetic material part and hall probe; Wherein, Transmission track and C type soft magnetic material part interfix; Feeding-passage links to each other with transmission track, and tested magnet is placed in the feeding-passage and can falls into transmission track, and push rod portion can promote magnet and in transmission track, move.
18. magnetic flux density measurement device according to claim 17 is characterized in that:
Hall probe is arranged in the air gap between tested magnet and the C type soft magnetic material part, is used to detect the magnetic induction density at this air gap place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203998632U CN202305776U (en) | 2011-10-19 | 2011-10-19 | Magnetic induction measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203998632U CN202305776U (en) | 2011-10-19 | 2011-10-19 | Magnetic induction measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN202305776U true CN202305776U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203998632U Expired - Lifetime CN202305776U (en) | 2011-10-19 | 2011-10-19 | Magnetic induction measuring device |
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| CN (1) | CN202305776U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353701A (en) * | 2016-08-24 | 2017-01-25 | 明光万佳联众电子有限公司 | Automatic-measurement constant magnetic field separator |
| CN108344958A (en) * | 2018-01-19 | 2018-07-31 | 深圳市东升磁业有限公司 | A kind of magnetic declination measurement device |
| CN110596497A (en) * | 2019-10-09 | 2019-12-20 | 北京无线电计量测试研究所 | Transposition device for surface-mounted components |
| CN111812566A (en) * | 2020-07-15 | 2020-10-23 | 沈阳工业大学 | System and method for measuring magnetic properties of liquid material |
| RU2772565C1 (en) * | 2021-08-19 | 2022-05-23 | Акционерное общество "Научно-производственное предприятие "Алмаз" (АО "НПП "Алмаз") | Method for measuring transverse component of magnetic induction on axis of ring magnets and magnetic systems |
-
2011
- 2011-10-19 CN CN2011203998632U patent/CN202305776U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353701A (en) * | 2016-08-24 | 2017-01-25 | 明光万佳联众电子有限公司 | Automatic-measurement constant magnetic field separator |
| CN108344958A (en) * | 2018-01-19 | 2018-07-31 | 深圳市东升磁业有限公司 | A kind of magnetic declination measurement device |
| CN110596497A (en) * | 2019-10-09 | 2019-12-20 | 北京无线电计量测试研究所 | Transposition device for surface-mounted components |
| CN111812566A (en) * | 2020-07-15 | 2020-10-23 | 沈阳工业大学 | System and method for measuring magnetic properties of liquid material |
| RU2772565C1 (en) * | 2021-08-19 | 2022-05-23 | Акционерное общество "Научно-производственное предприятие "Алмаз" (АО "НПП "Алмаз") | Method for measuring transverse component of magnetic induction on axis of ring magnets and magnetic systems |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhuozhou safe and sound star Electronics Inc. Assignor: Antai Science and Technology Co., Ltd. Contract record no.: 2013990000221 Denomination of utility model: Device and method for measuring magnetic induction intensity based on colossal magnetoresistance effect Granted publication date: 20120704 License type: Exclusive License Record date: 20130510 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |