CN209626002U - A kind of low eddy-current loss demagnetizer - Google Patents
A kind of low eddy-current loss demagnetizer Download PDFInfo
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- CN209626002U CN209626002U CN201920808296.8U CN201920808296U CN209626002U CN 209626002 U CN209626002 U CN 209626002U CN 201920808296 U CN201920808296 U CN 201920808296U CN 209626002 U CN209626002 U CN 209626002U
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- Prior art keywords
- interior loop
- pedestal
- current loss
- loop axis
- demagnetizer
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Abstract
The utility model discloses a kind of low eddy-current loss demagnetizer, including shell, pedestal, interior loop axis and exterior loop axis, interior loop axis and exterior loop axis are arranged in the shell of connection pedestal, exterior loop axle sleeve is outside interior loop axis, interior loop is wound on interior loop axis, and exterior loop, the core that several silicon steel sheets built in the interior loop axis are formed by stacking in parallel are wound on exterior loop axis, silicon steel sheet is vertically arranged, and epoxy adhesive layer is equipped between interior loop axis and pedestal.The utility model relates to this low eddy-current loss demagnetizer, the core in demagnetizer primary coil is changed to multilayer silicon steel sheet by existing carbon steel rod, efficiently solves eddy-current loss bring heating problem, is improved work efficiency and using safe.In addition, being coated with epoxy adhesive layer between silicon steel sheet and interior loop axis and pedestal, on the one hand guarantee being fixedly connected for interior loop axis, on the other hand can play the effect for reducing noise.
Description
Technical field
The utility model belongs to magnetic shielding device demagnetization technical field, and in particular to a kind of low eddy-current loss demagnetizer.
Background technique
Demagnetizer mainly consists of three parts, including primary coil, secondary coil and anti-magnetized coil, functionally mainly
Including shell magnetic circuit, inner-core and the coil being wrapped in outside iron core.It is handed over when leading to 220V to the coil being wrapped in outside iron core
When galvanic electricity, the alternating current magnetic field of 50Hz can be generated in coil, wherein the main function of magnetic core is exactly to increase magnetic field strength.Existing
Demagnetizer product in, core material is by carbon steel material, and shape is bar-like, in order to reduce vortex, in carbon steel rod
Entire body slot there are three opening, but due to the specific physical of carbon steel rod, after to demagnetizer energization more than a minute, carbon steel rod can be tight
Heat is retransmitted, has hot feeling with hand touch.The carbon steel rod of fever uses demagnetizer from continuous several times, and overheat can destroy copper
The insulating layer of line, causes short circuit, brings great danger.
Once a kind of continuous demagnetizer, including pedestal were disclosed in patent document, a conveyer belt is installed on pedestal, this is defeated
Band top is sent to be provided with a shape demagnetizer, conveyer belt passes through this shape demagnetizer, and door shape demagnetizer two sides pass through positioning spiral shell
Nail is fixedly mounted on the both sides of conveyer belt, and driving motor is also equipped on pedestal, which passes through driving belt and conveying
Band connection.Wherein the door shape demagnetizer is silicon steel sheet coil block.
The patent is mounted with the door shape demagnetizer made of silicon steel sheet coil block on the conveyor belt, can play demagnetization
Effect.But it does not disclose that silicon steel sheet is arranged under the overlay form.The overlaying structure of silicon steel sheet is different, generated magnetic field magnetic field strength
The direction of degree and magnetic field force is also different.Furthermore noise is higher after powered up for this kind of demagnetizer.
Utility model content
In order to solve the above-mentioned problems of the prior art, the utility model provides a kind of low eddy-current loss demagnetizer, even
Continuous be used for multiple times will not make interior loop axis generate heat, and demagnetization is high-efficient, and erasure effect is good, and low noise.
The technology employed by the present utility model is a kind of low eddy-current loss demagnetizer, including shell, pedestal, interior lines
Axis and exterior loop axis are enclosed, shell is cylindrical tube structure, and pedestal is dish type, is equipped with circular recess slot at center, wherein interior lines
Circle axis and exterior loop axis are arranged in the shell of connection pedestal, specifically, interior loop axis and interior loop are arranged in circular recess slot
Interior, exterior loop axle sleeve winds interior loop, exterior loop, interior loop is wound on exterior loop axis outside interior loop axis on interior loop axis
The core that several silicon steel sheets built in axis are formed by stacking in parallel, silicon steel sheet are vertically arranged, and ring is equipped between interior loop axis and pedestal
Oxygen glue-line.The epoxy glue not only plays a part of to be connected and fixed, and also has good erasure effect.In actual use, using ring
The demagnetizer of oxygen glue connection, noise are smaller.
Preferably, silicon steel sheet is grain-oriented Si steel sheet, equally oriented, equal, the group after superposition of height of each grain-oriented Si steel sheet
At cylindrical structure.
Preferably, the outside wall surface of interior loop is surrounded by insulating layer.
Preferably, shell is cylindrical body, and the wall surface of shell is equipped with and the axial identical elongated opening of shell.Opening
The beneficial effect for reducing eddy-current loss can be played by being arranged.
Preferably, interior loop outer peripheral surface is equipped with interior loop sheath.Wherein, interior loop sheath can be sleeved on the outer of insulating layer
Portion.
Preferably, opened on pedestal there are four break slot, each break slot from pedestal outer edge to base center from along stretching.It slits
Pedestal is divided into pintongs by mouth slot, and break slot can effectively reduce vortex, but the structural strength to guarantee pedestal, should not be arranged again
More break slots.
Preferably, the bottom of pedestal is connected with insulating base, and insulating base blocks base end face.Because pedestal is equipped with gap
Slot is still to have security risk for installation and repairing personnel although break slot is arranged in bottom.It is set in the bottom of pedestal
There is insulating base, which is a disc-shaped plate, can cover pedestal, guarantees safety.The bottom of insulating base is equipped with
Lower margin, lower margin and insulating base are connected using screw.
Preferably, the outer circumference surface of exterior loop is equipped with exterior loop sheath.Exterior loop sheath tip opposite sides, which is equipped with, to be connected
Ring is connect, connects handle in two connection rings, is convenient for degaussing operation.
Preferably, the upper and lower ends of interior loop axis and the upper and lower ends of exterior loop axis are equipped with ring cover.Above and below interior loop axis
The ring cover at both ends is respectively interior loop top cover and interior loop bottom cover；The ring cover of exterior loop axis upper and lower ends is respectively exterior loop top cover
With exterior loop bottom cover.
Preferably, silicon steel sheet surface is coated with insulating layer, reduces vortex.
The utility model relates to this low eddy-current loss demagnetizer, by the core in demagnetizer primary coil by existing
Carbon steel rod is changed to multilayer silicon steel sheet, efficiently solves eddy-current loss bring heating problem, improves work efficiency and use
Safety.In addition, being coated with epoxy adhesive layer between silicon steel sheet and interior loop axis and pedestal, on the one hand guarantee that the fixed of interior loop axis connects
It connects, on the other hand can play the effect for reducing noise.
Detailed description of the invention
Fig. 1 is the front view of the low eddy-current loss demagnetizer of the utility model embodiment 1；
Fig. 2 is the interior loop axial section of the low eddy-current loss demagnetizer of the utility model embodiment 1；
Fig. 3 is the top view of the low eddy-current loss demagnetizer of the utility model embodiment 1；
Fig. 4 is the bottom view of the low eddy-current loss demagnetizer of the utility model embodiment 1；
Fig. 5 is the low eddy-current loss demagnetizer understructure figure of the utility model embodiment 1；
Fig. 6 is the pedestal sectional view of the low eddy-current loss demagnetizer of the utility model embodiment 1；
Fig. 7 is the silicon steel sheet arrangement top view of the low eddy-current loss demagnetizer of the utility model embodiment 1；
In figure: 1- shell；2- pedestal: 3- fixing screws；4- exterior loop axis；5- interior loop bottom cover；6- lower margin；7- insulation bottom
Plate: 8- interior loop axis；9- silicon steel sheet；10- interior loop top cover；11- interior loop sheath；12- cover board；13- break slot；14- connection
Hole；15- exterior loop sheath；16- exterior loop top cover；17- exterior loop bottom cover；18- opening.
Specific embodiment
The technical solution of the utility model is clearly and completely retouched below in conjunction with the drawings and specific embodiments
It states, it will be appreciated by those skilled in the art that following, the embodiments are a part of the embodiments of the present invention, without
It is whole embodiments, is merely to illustrate the utility model, and is not construed as limitation the scope of the utility model.It is practical based on this
Embodiment in novel, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, is fallen within the protection scope of the utility model.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer
It is recommended that condition carry out.Reagents or instruments used without specified manufacturer is the routine that can be obtained by commercially available purchase
Product.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment 1
As shown in Figure 1, demagnetizer is mainly made of shell 1, pedestal 2, interior loop axis 8 and exterior loop axis 4, shell is cylinder
Shape tube structure, pedestal 2 are disc, are equipped with circular recess slot at base top surface center, wherein interior loop axis 8 and exterior loop
Axis 4 is arranged in the shell of connection pedestal, and interior loop axis and interior loop are arranged in circular recess slot, including 4 sets of exterior loop axis
Outside coil axis, interior loop is wound on interior loop axis, and exterior loop, several silicon steel sheets built in interior loop axis are wound on exterior loop axis
The core being formed by stacking in parallel, silicon steel sheet are vertically arranged, and epoxy adhesive layer is equipped between interior loop axis 8 and pedestal.The epoxy glue is not
Only play a part of to be connected and fixed, also there is good erasure effect.In actual use, using the demagnetizer of epoxy glue connection,
Noise is smaller.
Core in the primary coil of existing demagnetizer is changed to silicon steel sheet, silicon steel sheet with a thickness of 0.3~0.5mm,
Silicon steel sheet surface has insulating layer, is used as interior loop shaft material using silicon steel sheet 9, eddy-current loss is significantly reduced, so that disappearing
Chinaware primary coil can continuous several times demagnetization, be also nearly free from heat, not only increase working efficiency, improve the peace used
Quan Xing also extends the service life of interior loop axis.
Above-mentioned silicon steel sheet 9 be grain-oriented Si steel sheet, each grain-oriented Si steel sheet it is equally oriented, height it is equal, formed after superposition
Cylindrical structure.
The outside wall surface of interior loop is surrounded by insulating layer, fastens coil.
Shell 1 is cylindrical body, and the wall surface of shell 1 is equipped with and the axial identical elongated opening 18 of shell.Opening
The beneficial effect for reducing eddy-current loss can be played by being arranged.
Interior loop outer peripheral surface is equipped with interior loop sheath 11.Wherein, interior loop sheath 11 can be sleeved on the outside of insulating layer,
Interior loop sheath 11 is insulation tube.11 sets of interior loop sheath after interior coil outer, are stuck at recessed groove, recessed groove can just
Play installation and certain fixed function with one heart.
Opened on pedestal 2 there are four break slot 13, each break slot 13 from pedestal outer edge to base center from along stretching, gap
Pedestal is divided into pintongs by slot, and break slot 13 can effectively reduce vortex, but the structural strength to guarantee pedestal 2, should not set again
Set more break slots 13.
The bottom of pedestal 2 is connected with insulating base, and insulating base 7 blocks base end face.Because pedestal 2 is equipped with break slot, slit
It is still that there are security risks for installation and repairing personnel although mouthful slot is arranged in bottom.It is equipped in the bottom of pedestal
Insulating base 7, the insulating base 7 are a disc-shaped plate, can cover pedestal, guarantee personnel safety.The bottom of insulating base
Equipped with lower margin, lower margin 6 is connected with insulating base 7 using screw.
As depicted in figs. 1 and 2, interior loop bottom cover 5 and pedestal 2 are connected using screw 3.
The outer circumference surface of exterior loop is equipped with exterior loop sheath 15.15 top opposite sides of exterior loop sheath is equipped with connection
Ring connects handle in two connection rings, is convenient for degaussing operation.
The upper and lower ends of interior loop axis and the upper and lower ends of exterior loop axis are equipped with ring cover.The circle of interior loop axis upper and lower ends
Lid is respectively interior loop top cover 10 and interior loop bottom cover 5；The ring cover of exterior loop axis upper and lower ends is respectively 16 He of exterior loop top cover
Exterior loop bottom cover 17.
Silicon steel sheet surface is coated with insulating layer, reduces vortex.
The utility model relates to this low eddy-current loss demagnetizer, by the interior loop axis in demagnetizer primary coil by existing
There is carbon steel rod to be changed to multilayer silicon steel sheet, efficiently solves eddy-current loss bring heating problem, improve work efficiency and make
Safety.It is equipped with epoxy adhesive layer between interior loop axis and pedestal, is on the one hand used to be connected and fixed interior loop axis, on the other hand
The effect for reducing noise can be played.The demagnetizer cooperates magnetic shielding device to use, and carries out demagnetization to magnetic shielding device.
As shown in figure 4, being the bottom view of demagnetizer.7 bottom of insulating base connects lower margin, and lower margin is triangularly arranged, ground
Foot is connect with insulating base using screw.Insulating base 7, pedestal 2 and the use of interior loop bottom cover 5 can be used screw and connect three
It is integrated.
As shown in figure 5, being the structure chart of pedestal.It is opened on pedestal 2 there are four break slot, the center line of four break slots passes through
Base center point.Four break slots can play the beneficial effect for reducing vortex.The width of four break slots not Ying Taikuan, gap
The quantity of slot should not be too many, on the one hand the width of break slot also not Ying Taikuan will reduce vortex, on the one hand guarantee magnetic field strength
It meets the requirements, another further aspect will guarantee the structural strength of pedestal.The bottom of pedestal is connected with insulating base, and insulating base can be complete
It blocks pedestal, insulating base and pedestal entirely to connect using screw, pedestal is equipped with break slot, blocks, can rise using insulating base
To the effect for guaranteeing safety.
As shown in fig. 6, being the cross-sectional view of pedestal 2.Recessed groove on pedestal 2 is for being connected and fixed interior loop axis, pedestal 1
Circumferential groove be used for connected with outer casing 1.
As shown in fig. 7, silicon steel sheet is placed as shown in Figure 1, and it is vertical to place, it is arranged under the overlay, silicon steel sheet height is equal.Silicon steel sheet
It is vertically arranged, height is equal, constitutes cylindrical structure, and two silicon steel sheet width being centrosymmetric are equal, and silicon steel sheet is cylindrical
The outer surface of body is equipped with dielectric protection layer film.
It is coated with polyester resin insulating layer on silicon steel sheet, increases vortex impedance loop, reduces the vortex of silicon steel sheet interior loop axis.
Epoxy adhesive layer is provided between interior loop axis and pedestal, the epoxy-resin systems after solidification are a kind of with high dielectric
Performance, resistance to surface leakage, resistance to electric arc superior isolation material after setting interior loop axis, be inverted and fill for fixed interior loop axis
Enter epoxy glue, the beneficial effect for reducing noise can be further functioned as.
Further, interior loop sheath and exterior loop sheath are that insulating materials is made, and can play increase magnetic resistance, are reduced
The beneficial effect of vortex.
Further it is noted that being opened on pedestal 2 there are four break slot and connecting hole 14, connection hole is connected and fixed screw
3.The width of one of break slot is greater than the width of the other three break slot, can play the good effect for reducing vortex.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, all the utility model rights that falls into are wanted
The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.
Claims (10)
1. a kind of low eddy-current loss demagnetizer, it is characterised in that: including shell, pedestal, interior loop axis and exterior loop axis, interior loop
Axis and exterior loop axis are arranged in the shell of connection pedestal, and exterior loop axle sleeve is outside interior loop axis, on interior loop axis in winding
Coil winds exterior loop, the core that several silicon steel sheets built in the interior loop axis are formed by stacking in parallel, silicon steel on exterior loop axis
Piece is vertically arranged, and epoxy adhesive layer is equipped between interior loop axis and pedestal.
2. low eddy-current loss demagnetizer according to claim 1, it is characterised in that: the silicon steel sheet is grain-oriented Si steel sheet,
Each grain-oriented Si steel sheet it is equally oriented, height it is equal, cylindrical structure is formed after superposition.
3. low eddy-current loss demagnetizer according to claim 1 or 2, it is characterised in that: the outer wall bread of the interior loop
There is insulating layer.
4. low eddy-current loss demagnetizer according to claim 1, it is characterised in that: the shell is cylindrical body, shell
Wall surface is equipped with and the axial identical elongated opening of shell.
5. low eddy-current loss demagnetizer according to claim 1, it is characterised in that: the interior loop outer peripheral surface is equipped with interior
Coil jackets.
6. low eddy-current loss demagnetizer according to claim 1, it is characterised in that: gap there are four being opened on the pedestal
Slot, each break slot from pedestal outer edge to base center from along stretching.
7. low eddy-current loss demagnetizer according to claim 1 or 6, it is characterised in that: the bottom of the pedestal is connected with
Insulating base, insulating base block base end face.
8. low eddy-current loss demagnetizer according to claim 1, it is characterised in that: set on the outer circumference surface of the exterior loop
There is exterior loop sheath.
9. low eddy-current loss demagnetizer according to claim 1, it is characterised in that: the upper and lower ends of the interior loop axis and
The upper and lower ends of exterior loop axis are equipped with ring cover.
10. low eddy-current loss demagnetizer according to claim 1 or 2, it is characterised in that: the silicon steel sheet surface is coated with absolutely
Edge layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920808296.8U CN209626002U (en) | 2019-05-30 | 2019-05-30 | A kind of low eddy-current loss demagnetizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920808296.8U CN209626002U (en) | 2019-05-30 | 2019-05-30 | A kind of low eddy-current loss demagnetizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209626002U true CN209626002U (en) | 2019-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920808296.8U Active CN209626002U (en) | 2019-05-30 | 2019-05-30 | A kind of low eddy-current loss demagnetizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209626002U (en) |
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2019
- 2019-05-30 CN CN201920808296.8U patent/CN209626002U/en active Active
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