CN109495822A - The assemble method of magnetic circuit system in loudspeaker - Google Patents
The assemble method of magnetic circuit system in loudspeaker Download PDFInfo
- Publication number
- CN109495822A CN109495822A CN201811556672.5A CN201811556672A CN109495822A CN 109495822 A CN109495822 A CN 109495822A CN 201811556672 A CN201811556672 A CN 201811556672A CN 109495822 A CN109495822 A CN 109495822A
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- magnetic
- magnetic cup
- cup
- circuit system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/001—Moulding aspects of diaphragm or surround
Abstract
The present invention provides a kind of assemble methods of magnetic circuit system in loudspeaker, which comprises carries out soaking and washing to magnet steel to be glued and magnetic cup using alcohol, processing is dried after having cleaned；Using plasma apparatus to the magnet steel and magnetic cup progress plasma treatment after drying；Anaerobic adhesive is coated in the middle position of one of magnetic element in magnet steel and magnetic cup, then side is vertically covered on it in another magnetic element, magnet steel and magnetic cup is glued together；Pressure is applied to magnet steel glued together and magnetic cup, completes the assembling of magnet steel and magnetic cup.The present invention substitutes bubble catalyst process by plasma treatment process, anaerobic adhesive is cooperated to use, by in magnetic circuit system magnetic cup and magnet steel gluing be integrated, avoid the problem of catalyst causes resistance to environmental experiment ability to decline to the destruction of magnetic cup and magnet steel surface, improve the environmental experiment stability of magnetic circuit system, and the bonding strength between magnetic cup and magnet steel does not change, and can satisfy technique requirement.
Description
Technical field
The present invention relates to acoustic apparatus technical field of producing, more particularly to a kind of group of magnetic circuit system in loudspeaker
Dress method.
Background technique
With the development of technology and the improvement of people ' s living standards, using mobile phone, tablet computer as the intelligent terminal of representative
Become the indispensable consumer electronics product of people.Loudspeaker can convert electrical energy into the device of sound energy as one kind,
It is widely used in the electronic devices such as mobile phone, computer, PAD.
Loudspeaker mainly includes vibrational system and magnetic circuit system, wherein and magnetic circuit system includes magnetic cup, magnet steel and pole plate,
In the production process of magnetic circuit system, need using magnetic circuit glue that magnetic cup and magnet steel is glued together, magnetic circuit glue is at present with anaerobic adhesive
Based on, it, still can not be real because of its fancy price and to the rigors of technique although there is epoxy resin magnetic circuit glue in the market
Existing large batch of popularization.
And traditional anaerobic adhesive as magnetic circuit glue using upper, it is necessary to matching catalyst is used together, and need to soak magnetic circuit system
It steeps in the catalyst, and catalyst will affect the environmental experiment stability of magnetic circuit system, the magnetic circuit system after leading to gluing is in salt
It is easily corroded under the environmental experiments such as mist, high temperature and humidity, there is great security risk, it can not be effective if if mismatching catalyst
Independent magnetic cup and magnet steel gluing are integrated.
Summary of the invention
In view of the above situation, the present invention provides a kind of assemble method of magnetic circuit system in loudspeaker, without using catalysis
Under the premise of agent, magnetic cup and magnet steel gluing are integrated, promote the environmental experiment stability of magnetic circuit system.
The assemble method of magnetic circuit system in a kind of loudspeaker, which comprises
Soaking and washing is carried out to magnet steel to be glued and magnetic cup using alcohol, processing is dried after having cleaned；
Using plasma apparatus to the magnet steel and magnetic cup progress plasma treatment after drying；
Anaerobic adhesive is coated in the middle position of one of magnetic element in magnet steel and magnetic cup, then another is magnetic first
Side is vertically covered on it in part, and magnet steel and magnetic cup is glued together；
Pressure is applied to magnet steel glued together and magnetic cup, completes the assembling of magnet steel and magnetic cup.
The assemble method of magnetic circuit system in the loudspeaker provided according to the present invention is urged by plasma treatment process substitution bubble
Agent technique, cooperation anaerobic adhesive use, by magnetic circuit system magnetic cup and magnet steel gluing be integrated, avoid catalyst to magnetic cup
Destruction with magnet steel surface and the problem of cause resistance to environmental experiment ability to decline, that is, the environmental experiment for improving magnetic circuit system is stablized
Property, meanwhile, actual test the result shows that, using method provided by the invention, the bonding strength between magnetic cup and magnet steel does not become
Change, can satisfy technique requirement, further, since the time of plasma treatment is shorter compared with the time for impregnating catalyst, therefore this hair
It is bright can also improving production efficiency.
In addition, according to the present invention in above-mentioned loudspeaker magnetic circuit system assemble method, can also have following additional
Technical characteristic:
Further, it is described using plasma apparatus to after drying magnet steel and magnetic cup carry out plasma treatment the step of packet
It includes:
Using plasma apparatus to after drying magnet steel and magnetic cup carry out plasma treatment 30-100s, plasma treatment
Power is 400-1000W, and vacuum degree is 50MPa hereinafter, using air or compressed nitrogen.
Further, it is described using plasma apparatus to after drying magnet steel and magnetic cup carry out plasma treatment the step of tool
Body are as follows:
Using plasma apparatus to the magnet steel and magnetic cup progress plasma treatment 100s after drying, the power of plasma treatment
Compressed nitrogen is used for 400W, vacuum degree 30MPa.
Further, the magnet steel after plasma treatment and magnetic cup need to be glued in 48h.
Further, the magnet steel after plasma treatment and magnetic cup need to be interior for 24 hours glued.
Further, magnet steel need to be ensured when plasma treatment and magnetic cup is all exposed contacts with air, do not deposit between each other
Interfering or is being overlapped.
Further, described that soaking and washing is carried out to magnet steel to be glued and magnetic cup using alcohol, place is dried after having cleaned
The step of reason specifically:
Soaking and washing 3-5min is carried out to magnet steel to be glued and magnetic cup using alcohol, dries 10-30min after having cleaned.
Further, the step that anaerobic adhesive is coated in the middle position of one of magnetic element in magnet steel and magnetic cup
Suddenly it specifically includes:
Anaerobic adhesive is uniformly coated in the middle position of one of magnetic element in magnet steel and magnetic cup, coating shape is
" one " or " day " font.
Further, described the step of pressure is applied to magnet steel glued together and magnetic cup specifically:
It presses on magnet steel and magnetic cup after being covered on gluing using the external briquetting that weight is 3-5kg, and pressure maintaining
5-10min。
Specific embodiment
To facilitate the understanding of the present invention, below with reference to embodiment to invention is more fully described.But this
Invention can be realized in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations
Example purpose be make it is more thorough and comprehensive to the disclosure.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
The assemble method of magnetic circuit system in the loudspeaker that one embodiment of the invention provides, the method include at least step
Rapid S11~S13:
S11 carries out soaking and washing to magnet steel to be glued and magnetic cup using alcohol, processing is dried after having cleaned；
Wherein, alcohol must be used to be purged stain treatment to the surface of magnetic parts before plasma treatment, it is specific real
Shi Shi；Preferably, soaking and washing 3-5min is carried out to magnet steel to be glued and magnetic cup using alcohol, dries 10- after having cleaned
30min。
S12, using plasma apparatus to the magnet steel and magnetic cup progress plasma treatment after drying；
Wherein, when it is implemented, plasma apparatus can be used to the magnet steel and magnetic cup progress plasma treatment after drying
30-100s, the power of plasma treatment are 400-1000W, and vacuum degree is 50MPa hereinafter, using air or compressed nitrogen.It is preferred that
, using plasma apparatus to after drying magnet steel and magnetic cup carry out plasma treatment 100s, the power of plasma treatment is
400W, vacuum degree 30MPa, uses compressed nitrogen.
Need to ensure when plasma treatment magnet steel and magnetic cup it is all exposed contacted with air, between each other there is no interference or again
It is folded.
Anaerobic adhesive, is coated in the middle position of one of magnetic element in magnet steel and magnetic cup by S13, then by another magnetic
Side is vertically covered on it in property element, and magnet steel and magnetic cup is glued together；
Wherein, the magnet steel after plasma treatment and magnetic cup need to be glued in 48h.Preferably, the magnet steel after plasma treatment
It need to be interior for 24 hours glued with magnetic cup.
When by magnet steel and magnetic cup gluing, anaerobic adhesive can be uniformly coated in in magnet steel and magnetic cup one of magnetic member
The middle position of part, coating shape are " one " or " day " font.
When it is implemented, anaerobic adhesive can will be coated in the middle position of magnet steel, then magnetic cup is vertically covered on it
Side, magnet steel and magnetic cup is glued together, while ensuring gapless between magnet steel and magnetic cup and completely fitting together.Or
Anaerobic adhesive will be coated in the middle position of magnetic cup, then side is vertically covered on it in magnet steel by person, and magnet steel and magnetic cup is glued
Together, while ensuring gapless between magnet steel and magnetic cup and completely fitting together.
S14 applies pressure to magnet steel glued together and magnetic cup, completes the assembling of magnet steel and magnetic cup.
Wherein it is possible to be applied on the magnet steel and magnetic cup that are covered on using the external briquetting that weight is 3-5kg after gluing
Pressure, and pressure maintaining 5-10min.
Specifically, the present embodiment chooses long magnet steel, the 1.75mm* with a thickness of 0.93mm having a size of 1.65mm*10.05mm
The short magnet steel of 3.80mm, 8.92mm*15.95mm test the practical work of method provided in this embodiment with a thickness of 0.40mm magnetic cup
Industry effect carries out immersion 3-5min to it using industrial alcohol first, takes out naturally dry about 10-30min；Again by magnet steel and magnetic
Cup, which is uniformly spread out, to be placed in plasma processing, sets multiple interlayers in plasma apparatus and can satisfy batch processing, plasma
Equipment processing parameter is set as vacuum degree 30Mpa, power 400W, processing time 100s, compressed nitrogen, is taken after being disposed
Assembling application can be carried out out.
2 long magnet steel are placed in corresponding jig tool equipment with 2 short magnet steel first, it is ensured that magnet steel is completely smooth to be put
Set, by anaerobic adhesive with linear type formula infuse magnet steel surface, after by magnetic cup on the upside of the smooth vertical magnet steel being covered on after injecting glue,
And magnetic cup and magnet steel and glue are press-fitted together as one by jig briquetting, after the briquetting pressure maintaining 5-10min of a final additional 3Kg
Demoulding can be realized.
The comparing result of magnetic circuit finished product: plasma treatment alternative catalysts scheme adhesion strength is substantially unchanged but resistance to ring
Border experiment is obviously improved, and concrete outcome may refer to table 1.
Table 1
Magnetic circuit system after above-mentioned assembling is fallen and roller drum experiments, test result can be found in table 2, table 3 and table 4.
Table 2
Table 3
Table 4
Magnetic circuit system after above-mentioned assembling is subjected to salt spray resistance experiment, test result can be found in table 5
Table 5
| Scheme | Conventional method (uses catalyst) | Method provided in this embodiment |
| Salt mist experiment | NG | OK |
| High temperature and humidity storage | NG | OK |
It can be seen that from above-mentioned test result using method provided in this embodiment, the gluing between magnetic cup and magnet steel is strong
Degree can satisfy technique requirement compared to not changing with traditional scheme, but environmental experiment stability is substantially better than using catalysis
The conventional method of agent.
To sum up, according to the assemble method of magnetic circuit system in loudspeaker provided in this embodiment, pass through plasma treatment process
Substitution bubble catalyst process, cooperation anaerobic adhesive use, by magnetic circuit system magnetic cup and magnet steel gluing be integrated, avoid catalysis
The problem of agent causes resistance to environmental experiment ability to decline to the destruction of magnetic cup and magnet steel surface, that is, improve the environment of magnetic circuit system
Stable experiment, meanwhile, actual test the result shows that, using method provided by the invention, the gluing between magnetic cup and magnet steel is strong
Degree does not change, and can satisfy technique requirement, further, since the time of plasma treatment is shorter compared with the time for impregnating catalyst,
Can be directly loadable into after plasma treatment carry out in jig tool equipment injecting glue it is glued use, without carry out it is secondary dry, to efficiency
There is very big promotion, plasma processing time is in 30-100s, and steeping the catalyst time needs 3-5min, therefore can promote life
Produce efficiency.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. the assemble method of magnetic circuit system in a kind of loudspeaker, which is characterized in that the described method includes:
Soaking and washing is carried out to magnet steel to be glued and magnetic cup using alcohol, processing is dried after having cleaned；
Using plasma apparatus to the magnet steel and magnetic cup progress plasma treatment after drying；
Anaerobic adhesive is coated in the middle position of one of magnetic element in magnet steel and magnetic cup, then another magnetic element is hung down
Side directly is covered on it, magnet steel and magnetic cup is glued together；
Pressure is applied to magnet steel glued together and magnetic cup, completes the assembling of magnet steel and magnetic cup.
2. the assemble method of magnetic circuit system in loudspeaker according to claim 1, which is characterized in that described to use plasma
Equipment to after drying magnet steel and magnetic cup carry out plasma treatment the step of include:
Using plasma apparatus to the magnet steel and magnetic cup progress plasma treatment 30-100s after drying, the power of plasma treatment
For 400-1000W, vacuum degree is 50MPa hereinafter, using air or compressed nitrogen.
3. the assemble method of magnetic circuit system in loudspeaker according to claim 2, which is characterized in that described to use plasma
Equipment to after drying magnet steel and magnetic cup carry out plasma treatment the step of specifically:
Using plasma apparatus to after drying magnet steel and magnetic cup carry out plasma treatment 100s, the power of plasma treatment is
400W, vacuum degree 30MPa, uses compressed nitrogen.
4. the assemble method of magnetic circuit system in loudspeaker according to claim 1, which is characterized in that after plasma treatment
Magnet steel and magnetic cup need to be glued in 48h.
5. the assemble method of magnetic circuit system in loudspeaker according to claim 4, which is characterized in that after plasma treatment
Magnet steel and magnetic cup need to be interior for 24 hours glued.
6. the assemble method of magnetic circuit system in loudspeaker according to claim 1, which is characterized in that needed when plasma treatment
Ensure magnet steel and magnetic cup it is all exposed contacted with air, between each other there is no interference or overlapping.
7. the assemble method of magnetic circuit system in loudspeaker according to claim 1, which is characterized in that described to use alcohol pair
The step of magnet steel to be glued and magnetic cup carry out soaking and washing, dry processing after having cleaned specifically:
Soaking and washing 3-5min is carried out to magnet steel to be glued and magnetic cup using alcohol, dries 10-30min after having cleaned.
8. the assemble method of magnetic circuit system in loudspeaker according to claim 1, which is characterized in that described to apply anaerobic adhesive
The step of overlaying on the middle position of one of magnetic element in magnet steel and magnetic cup specifically includes:
Anaerobic adhesive is uniformly coated in the middle position of one of magnetic element in magnet steel and magnetic cup, coating shape is " one "
Or " day " font.
9. the assemble method of magnetic circuit system in loudspeaker according to claim 1, which is characterized in that described pair is glued at one
The step of magnet steel and magnetic cup risen applies pressure specifically:
It presses on magnet steel and magnetic cup after being covered on gluing using the external briquetting that weight is 3-5kg, and pressure maintaining 5-
10min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556672.5A CN109495822A (en) | 2018-12-19 | 2018-12-19 | The assemble method of magnetic circuit system in loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556672.5A CN109495822A (en) | 2018-12-19 | 2018-12-19 | The assemble method of magnetic circuit system in loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109495822A true CN109495822A (en) | 2019-03-19 |
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ID=65711058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811556672.5A Pending CN109495822A (en) | 2018-12-19 | 2018-12-19 | The assemble method of magnetic circuit system in loudspeaker |
Country Status (1)
| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102693817A (en) * | 2011-11-23 | 2012-09-26 | 横店集团东磁股份有限公司 | High-performance bonded magnet processed by low-temperature plasma and preparation method thereof |
| EP2566192A2 (en) * | 2011-08-29 | 2013-03-06 | Kang-Moon Yeom | Ultra-slim speaker unit capable of improving low-pitched sound characteristic and sound pressure and board equipped with the same |
| CN105933844A (en) * | 2016-04-28 | 2016-09-07 | 梧州恒声电子科技有限公司 | Horn magnetic circuit assembly bonding technology |
-
2018
- 2018-12-19 CN CN201811556672.5A patent/CN109495822A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2566192A2 (en) * | 2011-08-29 | 2013-03-06 | Kang-Moon Yeom | Ultra-slim speaker unit capable of improving low-pitched sound characteristic and sound pressure and board equipped with the same |
| CN102693817A (en) * | 2011-11-23 | 2012-09-26 | 横店集团东磁股份有限公司 | High-performance bonded magnet processed by low-temperature plasma and preparation method thereof |
| CN105933844A (en) * | 2016-04-28 | 2016-09-07 | 梧州恒声电子科技有限公司 | Horn magnetic circuit assembly bonding technology |
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| PB01 | Publication | ||
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Application publication date: 20190319 |