CN107807283A - A kind of core inductance detection means - Google Patents
A kind of core inductance detection means Download PDFInfo
- Publication number
- CN107807283A CN107807283A CN201711324092.9A CN201711324092A CN107807283A CN 107807283 A CN107807283 A CN 107807283A CN 201711324092 A CN201711324092 A CN 201711324092A CN 107807283 A CN107807283 A CN 107807283A
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- support base
- threaded rod
- fixed
- hollow groove
- fixed seat
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000009413 insulation Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000686 essence Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2611—Measuring inductance
Abstract
The invention discloses a kind of core inductance detection means, including fixed seat, fixed top middle portion is fixed with posting, the middle part of posting is provided with through hole, posting is wrapped around provided with coil, the side of fixed seat top one is provided with inductance measuring tester, and the both ends of inductance measuring tester and coil connect, the both sides of posting are arranged with locating piece, locating piece is provided with class c-type neck close to posting side, the remotely located side of frame one of locating piece is equipped with pushing structure, pushing structure includes support base one, support base two, push rod, hollow groove one, hollow groove two, threaded rod one and threaded rod two, support base one is located at the side of fixed seat, the inner tip of support base one is provided with groove, in groove threaded rod one is provided with away from the side of fixed seat one, threaded rod one is provided with motor one away from the side of fixed seat one.Beneficial effect：The locating piece of both sides is more uniformly stressed, while identical apart from the distance between magnetic core to be detected, greatly ensures the precision of detection.
Description
Technical field
The present invention relates to inductance detection technical field, it particularly relates to a kind of core inductance detection means.
Background technology
A kind of core inductance detection tool currently used in the market, it includes a posting, and is arranged at positioning
One locating piece of frame opposite sides, a magnetic core to be detected is installed in the posting, a standard magnetic is set on the locating piece
Core, in use, people's hand propelled locating piece is drawn close to posting, standard core is set to be contacted with magnetic core to be detected, to realize detection work(
Can, but above-mentioned way promotes locating piece by hand by people entirely, gives that the dynamics of locating piece is also different every time, cause posting by
Power is uneven, and the position that standard core is placed every time is not fixed, and the speed of detection is slower, it is difficult to meets the needs of market.
The problem of in correlation technique, effective solution is not yet proposed at present.
The content of the invention
The problem of in correlation technique, the present invention proposes a kind of core inductance detection means, to overcome existing related skill
Above-mentioned technical problem present in art.
The technical proposal of the invention is realized in this way：
A kind of core inductance detection means, including fixed seat, the top middle portion of the fixed seat is fixed with posting, described
The middle part of posting is provided with through hole, and the posting is wrapped around provided with coil, and the side of fixed seat top one is provided with electricity
Feel detector, and the inductance measuring tester is connected with the both ends of the coil, the both sides of the posting are arranged with locating piece,
The locating piece is provided with class c-type neck close to the posting side, and the locating piece is all provided with away from the side of posting one
There is pushing structure, the pushing structure includes support base one, support base two, push rod, hollow groove one, hollow groove two, threaded rod one
With threaded rod two, the support base one is located at the side of the fixed seat, and the inner tip of support base one is provided with groove, described
The threaded rod one is provided with away from the side of fixed seat one in groove, the threaded rod one is set away from the side of fixed seat one
There is motor one, and the rotary shaft of the motor one is rotatablely connected with the threaded rod one, the support base one is away from the fixation
Seat is provided with rocking arm one on the outside of side, and the rocking arm one is rotatablely connected with the threaded rod one, is arranged with the threaded rod one
Fixed plate, and the diameter of the top cross section of the fixed plate is more than the cross-sectional diameter of the support base one, the fixed plate
Chute one is provided with close to the top of the fixed seat side, is provided with described in being adapted with the chute one and pushes away in the chute one
Bar, the push rod are fixed with the hollow groove one away from the fixed seat side, and the inside of hollow groove one is engraved structure, institute
State the outside of hollow groove one and be provided with limiting plate close to the push rod side, be provided with the hollow groove one and fitted with the phase of hollow groove one
The traveller one matched somebody with somebody, the bottom side of the traveller one are connected with connecting rod one, the connecting rod one away from the traveller one one
Side is fixed in fixed column, and the bottom of the fixed column is fixed on the top of the fixed plate, and the opposite side of the fixed column is consolidated
Surely connecting rod two is connected with, the connecting rod two is provided with traveller two away from the fixed column side, and the traveller two is positioned at described
In hollow groove two, the inside of hollow groove two is engraved structure, and side of the hollow groove two away from the connecting rod two connects
There is a slide bar, the slide bar is located at the inside of the support base two perpendicular with the support base one, inside the support base two
Provided with the chute two being adapted with the slide bar, a side of the inside of chute two away from the hollow groove two is provided with the spiral shell
Rasp bar two, and the slide bar being adapted with the threaded rod two is arranged with the threaded rod two, the threaded rod two is remote
The side of hollow groove 21 is fixedly connected with motor two, and the rotary shaft of the motor two is rotated with the threaded rod two and connected
Connect, outside side of the support base two away from the hollow groove two is provided with rocking arm two, and the rocking arm two and the threaded rod
Two rotation connections.
Further, a side of the outside of the support base one away from the connecting rod one is provided with some scales, and institute
The bottom for stating limiting plate is connected to the side of the scale outside the support base one.
Further, the top of the neck is provided with opening, and the opening is provided with baffle plate.
Further, the locating piece inner tip is located at the overthe openings and is provided with fixed block, the bottom of the fixed block
End is provided with expansion link, and telescope motor is provided with the expansion link, and side is provided with regulation button, and the tune outside the fixed block
Button is saved to connect with telescope motor control.
Further, the bottom of the expansion link is provided with and the flexible insulation plate for being open and being adapted.
Further, the side of outside one of the support base one is provided with control button, and the control button and the electricity
The control connection of machine one.
Further, the side of bottom two of the posting is bolted on the top of the fixed seat.
Further, the top of the fixed seat is provided with chute three, and the bottom of the locating piece is provided with and the chute
Three sliding blocks being adapted.
Further, the angle between the connecting rod one and the connecting rod two is less than 90 degree.
Beneficial effects of the present invention：By being put into magnetic core to be detected in the through hole of posting, and in both sides locating piece
Neck in be put into standard core, by the pushing structure of both sides, the locating piece of both sides can be promoted to move, so as to drive standard
The movement of magnetic core, the rotation of threaded rod one is driven by the rotation of motor one, so as to drive the fixed plate edge on threaded rod
Groove slip, fixed plate slides the connecting rod one for causing fixed plate top and connecting rod two in hollow groove one and hollow groove two
It is interior to produce slip, so as to drive sliding in the chute one for push rod, while can by connecting rod two with moving slide-bar in chute two
Interior slip, it can also be adjusted manually by rocking arm one and rocking arm two, by the rotational frequency of regulation motor, so as to more
Add the convenient slip for driving push rod to promote locating piece, while can be more square by orthogonal support base one and support base two
Just the stroke of push rod is adjusted, so as to ensure that the locating piece of both sides is more uniformly stressed so that the locating piece of both sides is apart to be detected
The distance between magnetic core it is identical, be more favorable for the movement of standard core, so as to greatly ensure the precision of detection, simultaneously
Labour is saved, more convenient test.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is core inductance structure of the detecting device schematic diagram according to embodiments of the present invention；
Fig. 2 is pushing structure schematic diagram according to embodiments of the present invention.
In figure：
1st, fixed seat；2nd, posting；3rd, through hole；4th, coil；5th, inductance measuring tester；6th, locating piece；7th, neck；8th, knot is promoted
Structure；9th, support base one；10th, support base two；11st, push rod；12nd, hollow groove one；13rd, hollow groove two；14th, threaded rod one；15th, screw thread
Bar two；16th, groove；17th, motor one；18th, rocking arm one；19th, fixed plate；20th, chute one；21st, it is open；22nd, baffle plate；23rd, it is spacing
Plate；24th, traveller one；25th, connecting rod one；26th, fixed column；27th, connecting rod two；28th, traveller two；29th, slide bar；30th, chute two；
31st, motor two；32nd, rocking arm two；33rd, scale；34th, fixed block；35th, expansion link；36th, telescope motor；37th, regulation button；38th, it is soft
Property insulation board；39th, control button；40th, bolt；41st, chute three；42nd, sliding block.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, belong to what the present invention protected
Scope.
According to an embodiment of the invention, there is provided a kind of core inductance detection means.
As shown in Figure 1-2, core inductance detection means according to embodiments of the present invention, including fixed seat 1, the fixed seat
1 top middle portion is fixed with posting 2, and the middle part of the posting 2 is provided with through hole 3, and the wrapping around for posting 2 is provided with
Coil 4, the side of 1 top of fixed seat one are provided with inductance measuring tester 5, and the both ends of the inductance measuring tester 5 and the coil 4
Connection, the both sides of the posting 2 are arranged with locating piece 6, and the locating piece 6 is provided with class c-type close to the side of posting 2
Neck 7, the locating piece 6 are equipped with pushing structure 8 away from the side of posting 2 one, and the pushing structure 8 includes support base
One 9, support base 2 10, push rod 11, hollow groove 1, hollow groove 2 13, threaded rod 1 and threaded rod 2 15, the support base
One 9 are located at the side of the fixed seat 1, and the inner tip of support base 1 is provided with groove 16, in the groove 16 away from described in
The side of fixed seat 1 one is provided with the threaded rod 1, and the threaded rod 1 is provided with motor one away from the side of fixed seat 1 one
17, and the rotary shaft of the motor 1 is rotatablely connected with the threaded rod 1, the support base 1 is away from the fixed seat
Rocking arm 1 is provided with the outside of 1 side, and the rocking arm 1 is rotatablely connected with the threaded rod 1, on the threaded rod 1
Fixed plate 19 is arranged with, and the diameter of the top cross section of the fixed plate 19 is more than the cross-sectional diameter of the support base 1,
The fixed plate 19 is provided with chute 1 close to the top of the side of fixed seat 1, is provided with and the cunning in the chute 1
The push rod 11 that groove 1 is adapted, the push rod 11 are fixed with the hollow groove 1, institute away from the side of fixed seat 1
It is engraved structure to state the inside of hollow groove 1, and the outside of hollow groove 1 is provided with limiting plate 23 close to the side of push rod 11,
The traveller 1 being adapted with the hollow groove 1 is provided with the hollow groove 1, the bottom side of the traveller 1 connects
Connecting rod 1 is connected to, side of the connecting rod 1 away from the traveller 1 is fixed in fixed column 26, the fixation
The bottom of post 26 is fixed on the top of the fixed plate 19, and the opposite side of the fixed column 26 is fixedly connected with connecting rod 2 27,
The connecting rod 2 27 is provided with traveller 2 28 away from the side of fixed column 26, and the traveller 2 28 is located at the hollow groove 2 13
Interior, the inside of hollow groove 2 13 is engraved structure, and side of the hollow groove 2 13 away from the connecting rod 2 27 is connected with
Slide bar 29, the slide bar 29 are located at the inside of the support base two 10 perpendicular with the support base 1, the support base two
10 inside are provided with the chute 2 30 that is adapted with the slide bar 29, the inside of chute 2 30 away from the hollow groove 2 13 one
Side is provided with the threaded rod 2 15, and the cunning being adapted with the threaded rod 2 15 is arranged with the threaded rod 2 15
Bar 29, the threaded rod 2 15 are fixedly connected with motor 2 31, and the motor 2 31 away from the side of hollow groove 2 13 1
Rotary shaft and the threaded rod 2 15 be rotatablely connected, outside side of the support base 2 10 away from the hollow groove 2 13 is set
There is rocking arm 2 32, and the rocking arm 2 32 is rotatablely connected with the threaded rod 2 15.
By means of above-mentioned technical proposal, determine by being put into magnetic core to be detected in the through hole 3 of posting 2, and in both sides
Standard core is put into the neck 7 of position block 6, by the pushing structure 8 of both sides, the locating piece 6 of both sides can be promoted to move, so as to
The movement of standard core is driven, the rotation of threaded rod 1 is driven by the rotation of motor 1, so as to drive threaded rod
On fixed plate 19 slided along groove 16, fixed plate 19 slip cause the top of fixed plate 19 connecting rod 1 and connecting rod
2 27 produce slip in hollow groove 1 and hollow groove 2 13, so as to drive being slided in chute 1 for push rod 11, simultaneously
It can be slided, can also be carried out by rocking arm 1 and rocking arm 2 32 in chute 2 30 by the band moving slide-bar 29 of connecting rod 2 27
Regulation manually, by the rotational frequency of regulation motor, the slip of locating piece 6 is promoted so as to more convenient drive push rod 11,
The stroke of regulation push rod 11 can more be facilitated by orthogonal support base 1 and support base 2 10 simultaneously, so as to ensure
The locating piece 6 of both sides is more uniformly stressed so that the locating piece 6 of both sides is identical apart from the distance between magnetic core to be detected, more
Add the movement beneficial to standard core, so as to greatly ensure the precision of detection, while save labour, it is more convenient to survey
Examination.
In addition, a side of the outside of the support base 1 away from the connecting rod 1 is provided with some scales 33, and institute
The bottom for stating limiting plate 23 is connected to the side of the scale 33 outside the support base 1, can be facilitated by scale 33
The accurate distance observed push rod 11 and moved, the further precision for ensureing magnetic core detection, is more convenient for people to observe and remember
Record, reduces the influence of error.
In addition, the top of the neck 7 is provided with opening 21, baffle plate 22 is provided with the opening 21, passes through opening 21 and gear
Plate 22 can more facilitate the folding of the object in locating piece 6.
In addition, the inner tip of locating piece 6 is provided with fixed block 34 positioned at the top of opening 21, the fixed block 34
Bottom is provided with expansion link 35, is provided with telescope motor 36 in the expansion link 35, the outside side of fixed block 34 is pressed provided with regulation
Button 37, and the regulation button 37 connects with the telescope motor 36 control, can conveniently be driven by telescope motor 36 flexible
Bar 35 stretches, while regulation button 37 can conveniently drive the rotation of telescope motor 36, greatly save labour.
In addition, the bottom of the expansion link 35 is provided with the flexible insulation plate 38 being adapted with the opening 21, pass through flexibility
Insulation board 38 can effectively be fixed to the standard core in neck 7, reduce and slip is produced during sliding, while absolutely
Listrium can reduce the influence to experimental result, greatly ensure the precision of testing result.
In addition, the side of outside one of the support base 1 is provided with control button 39, and the control button 39 and the electricity
The control connection of machine 1, can facilitate the rotation of drive motor 1 by control button 39, so as to drive the slip of push rod 11.
In addition, the side of bottom two of the posting 2 is fixed on the top of the fixed seat 1 by bolt 40, pass through
Bolt 40 can fix posting 2 more firm, so as to ensure the precision of detection.
Meanwhile the top of the fixed seat 1 is provided with chute 3 41, and the bottom of the locating piece 6 is provided with and the chute
3 41 sliding blocks 42 being adapted, the angle between the connecting rod 1 and the connecting rod 2 27 are less than 90 degree, pass through chute
3 41 can more facilitate the slip of locating piece 6, and sliding block 42 can reduce the friction to locating piece 6, so as to increase making for device
Use the life-span.
In summary, it is to be detected by being put into the through hole 3 of posting 2 by means of the above-mentioned technical proposal of the present invention
Magnetic core, and be put into standard core in the neck 7 of both sides locating piece 6, by the pushing structure 8 of both sides, both sides can be promoted
Locating piece 6 move, so as to drive the movement of standard core, pass through the rotation of motor 1 and then drive threaded rod 1 turn
Dynamic, so as to drive the fixed plate 19 on threaded rod to be slided along groove 16, the slip of fixed plate 19 causes the top of fixed plate 19
Connecting rod 1 and connecting rod 2 27 produce slip in hollow groove 1 and hollow groove 2 13, so as to drive push rod 11 in cunning
Slide, while can be slided by the band moving slide-bar 29 of connecting rod 2 27 in chute 2 30 in groove 1, rocking arm can also be passed through
1 and rocking arm 2 32 adjusted manually, by the rotational frequency of regulation motor, push rod 11 is driven so as to more convenient
The slip of locating piece 6 is promoted, while regulation push rod can more be facilitated by orthogonal support base 1 and support base 2 10
11 stroke, so as to ensure that the locating piece 6 of both sides is more uniformly stressed so that the locating piece 6 of both sides is apart from magnetic core to be detected
The distance between it is identical, be more favorable for the movement of standard core, so as to greatly ensure the precision of detection, while save labor
Power, more convenient test.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (9)
1. a kind of core inductance detection means, it is characterised in that including fixed seat (1), the top middle portion of the fixed seat (1) is consolidated
Surely there is posting (2), the middle part of the posting (2) is provided with through hole (3), and posting (2) are wrapped around provided with coil
(4), the side of fixed seat (1) top one is provided with inductance measuring tester (5), and the inductance measuring tester (5) and the coil (4)
Both ends connection, the both sides of the posting (2) are arranged with locating piece (6), and the locating piece (6) is close to the posting
(2) side is provided with class c-type neck (7), and the locating piece (6) is equipped with pushing structure away from the side of posting (2) one
(8), the pushing structure (8) includes support base one (9), support base two (10), push rod (11), hollow groove one (12), hollow groove
Two (13), threaded rod one (14) and threaded rod two (15), the support base one (9) is located at the side of the fixed seat (1), described
Support base one (9) inner tip is provided with groove (16), is provided with the groove (16) away from the side of fixed seat (1) one described
Threaded rod one (14), the threaded rod one (14) are provided with motor one (17), and the motor away from the side of fixed seat (1) one
The rotary shaft of one (17) is rotatablely connected with the threaded rod one (14), and the support base one (9) is away from the fixed seat (1) side
Outside is provided with rocking arm one (18), and the rocking arm one (18) is rotatablely connected with the threaded rod one (14), the threaded rod one
(14) fixed plate (19) is arranged with, and the diameter of the top cross section of the fixed plate (19) is more than the support base one (9)
Cross-sectional diameter, the fixed plate (19) is provided with chute one (20), the chute close to the top of the fixed seat (1) side
The push rod (11) being adapted with the chute one (20) is provided with one (20), the push rod (11) is away from the fixed seat
(1) side is fixed with the hollow groove one (12), is engraved structure inside the hollow groove one (12), the hollow groove one (12)
It is outside to be provided with limiting plate (23) close to the push rod (11) side, it is provided with and the hollow groove one in the hollow groove one (12)
(12) traveller one (24) being adapted, the bottom side of the traveller one (24) are connected with connecting rod one (25), the connecting rod
Side of one (25) away from the traveller one (24) is fixed in fixed column (26), and the bottom of the fixed column (26) is fixed on institute
The top of fixed plate (19) is stated, the opposite side of the fixed column (26) is fixedly connected with connecting rod two (27), the connecting rod two
(27) traveller two (28) is provided with away from the fixed column (26) side, the traveller two (28) is located at the hollow groove two (13)
It is interior, be engraved structure inside the hollow groove two (13), the side of the remote connecting rod two (27) of the hollow groove two (13)
Slide bar (29) is connected with, the slide bar (29) is located at the interior of the support base two (10) perpendicular with the support base one (9)
Portion, the support base two (10) is internal to be provided with the chute two (30) being adapted with the slide bar (29), and the chute two (30) is interior
A side of the portion away from the hollow groove two (13) is provided with the threaded rod two (15), and is arranged with the threaded rod two (15)
The slide bar (29) being adapted with the threaded rod two (15), the threaded rod two (15) is away from the hollow groove two (13) one
Side is fixedly connected with motor two (31), and the rotary shaft of the motor two (31) is rotatablely connected with the threaded rod two (15),
Outside side of the support base two (10) away from the hollow groove two (13) is provided with rocking arm two (32), and the rocking arm two (32)
It is rotatablely connected with the threaded rod two (15).
2. core inductance detection means according to claim 1, it is characterised in that the outside of the support base one (9) is remote
A side from the connecting rod one (25) is provided with some scales (33), and the bottom of the limiting plate (23) is connected to the branch
Support the side of the outside scale (33) of seat one (9).
3. core inductance detection means according to claim 1, it is characterised in that the top of the neck (7) is provided with and opened
Mouth (21), described opening (21) place are provided with baffle plate (22).
4. core inductance detection means according to claim 3, it is characterised in that locating piece (6) the inner tip position
Fixed block (34) is provided with above the opening (21), the bottom of the fixed block (34) is provided with expansion link (35), described flexible
Telescope motor (36) is provided with bar (35), the outside side of the fixed block (34) is provided with regulation button (37), and the regulation is pressed
Button (37) connects with the telescope motor (36) control.
5. core inductance detection means according to claim 4, it is characterised in that the bottom of the expansion link (35) is provided with
The flexible insulation plate (38) being adapted with the opening (21).
6. core inductance detection means according to claim 1, it is characterised in that the outside one of the support base one (9)
Side is provided with control button (39), and the control button (39) connects with the motor one (17) control.
7. core inductance detection means according to claim 1, it is characterised in that the bottom both sides of the posting (2)
Side is fixed on the top of the fixed seat (1) by bolt (40).
8. core inductance detection means according to claim 1, it is characterised in that the top of the fixed seat (1) is provided with
Chute three (41), and the bottom of the locating piece (6) is provided with the sliding block (42) being adapted with the chute three (41).
9. core inductance detection means according to claim 1, it is characterised in that the connecting rod one (25) and the company
Angle between extension bar two (27) is less than 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324092.9A CN107807283A (en) | 2017-12-13 | 2017-12-13 | A kind of core inductance detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324092.9A CN107807283A (en) | 2017-12-13 | 2017-12-13 | A kind of core inductance detection means |
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| Publication Number | Publication Date |
|---|---|
| CN107807283A true CN107807283A (en) | 2018-03-16 |
Family
ID=61579893
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711324092.9A Pending CN107807283A (en) | 2017-12-13 | 2017-12-13 | A kind of core inductance detection means |
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| CN (1) | CN107807283A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108761359A (en) * | 2018-04-12 | 2018-11-06 | 河北工业大学 | A kind of measuring system and method for permanent magnet eddy-current loss |
| CN111137652A (en) * | 2019-12-30 | 2020-05-12 | 天长市联嘉磁电科技有限公司 | Detection tool for processing ferrite soft magnetic core product |
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| CN107195437A (en) * | 2017-06-13 | 2017-09-22 | 深圳市诺威实业有限公司 | Chip type two-wire EMI common-mode inductors |
| CN207502617U (en) * | 2017-12-13 | 2018-06-15 | 海宁天悦电子有限公司 | A kind of core inductance detection device |
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| US4912407A (en) * | 1987-07-30 | 1990-03-27 | Allied-Signal Inc. | Non-contacting inductively coupled displacement sensor system for detecting levels of conductive, non-magnetic liquids, and method of detecting levels of such liquids |
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| CN111137652A (en) * | 2019-12-30 | 2020-05-12 | 天长市联嘉磁电科技有限公司 | Detection tool for processing ferrite soft magnetic core product |
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