CN202189380U - Magnetic head for rewriting high coercivity magnetic card - Google Patents
Magnetic head for rewriting high coercivity magnetic card Download PDFInfo
- Publication number
- CN202189380U CN202189380U CN2011203061206U CN201120306120U CN202189380U CN 202189380 U CN202189380 U CN 202189380U CN 2011203061206 U CN2011203061206 U CN 2011203061206U CN 201120306120 U CN201120306120 U CN 201120306120U CN 202189380 U CN202189380 U CN 202189380U
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- magnetic head
- magnetic
- chip
- rewrite
- coercive force
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Abstract
The utility model discloses a magnetic head for rewriting a high coecivity magnetic card, which comprises magnetic chips made of permalloy, a coil frame assembly, as well as a magnetic head suspension and a housing which are made of zinc-aluminum alloy. The magnetic head suspension is arranged in the housing, while the magnetic head chips are arranged in the magnetic head suspension. Each of the two magnetic head chips includes a chip front mouth and a chip rear foot, and a through-hole is formed on the coil frame assembly to accommodate the chip rear feet of the magnetic head chips; further, the two magnetic head chip are in butt connection to form a magnetic track. The magnetic head for rewriting a high coercivity magnetic card has the benefits that the reading and writing speed is quick, the eddy current loss is low, the structure is firm and reliable, the service life is long, and the volume is small, the appearance is attractive, the prospect is promising, and the application is wide.
Description
Technical field
The utility model relates to a kind of magnetic card read-write equipment, is specifically related to a kind of magnetic head that can rewrite the high-coercive force magnetic card.
Background technology
The coercive force of common magnetic card generally at 300 Oe between 500 Oe; Along with the raising that magnetic card is required; Develop to the high-coercive force direction gradually at the magnetic card that uses on the market at present, the data on the magnetic card are not easy to rewrite like this, and contact is not easy obliterated data to magnetic card with downfield; At present the coercive force of high-coercive force magnetic card is usually at 2750 Oe, the coercive force of the magnetic card that has even surpass 3600 Oe and 4000 Oe.To this situation, just the magnetic head of rewriting data on the magnetic card is had higher requirement, require the magnetic card write head can rewrite the magnetic card of 4000 Oe.On the theory, the saturation induction density that requires magnetic head materials is coercitive three to five times, therefore in the selection of material, just should adopt saturation induction density to be greater than the material more than the 1.2T.
Need a kind of magnetic head that can rewrite the high-coercive force magnetic card for this reason, the data that can effectively rewrite the high-coercive force magnetic card, read or write speed is fast, and eddy current loss is little, stable and reliable structure, long service life, volume is little, good looking appearance, good development prospect has wide range of applications.
The utility model content
For solving the problems of the technologies described above, the purpose of the utility model is to provide a kind of read or write speed fast, and eddy current loss is little; Stable and reliable structure, long service life, volume is little; Good looking appearance, good development prospect, the magnetic head that can rewrite the high-coercive force magnetic card that has wide range of applications.
For achieving the above object; The technical scheme of the utility model is following: a kind of magnetic head that can rewrite the high-coercive force magnetic card, comprise head suspension and shell that magnetic head chip, coil rack assembly, aluminium alloy material that the permalloy material is processed are processed, and said head suspension is arranged in the said shell; Said magnetic head chip is arranged in the said head suspension; Said magnetic head chip is two, and said magnetic head chip comprises the preceding mouth of chip and the chip rear foot, and said coil rack assembly is provided with through hole; The chip rear foot of said two magnetic head chips is separately positioned in the said through hole, and said two magnetic head chips connect and form a magnetic track.
Preferably, form Qian Zui slit and rear foot slit after said two magnetic head chips connect, said Qian Zui slit and rear foot slit are arranged on the geometric center of said magnetic head.
Preferably, said magnetic head chip is formed by stacking by two chips at least.
Preferably, said magnetic head chip both sides also are respectively equipped with a slice companion chip at least.
Preferably, said magnetic head is single track or multiple track.
Preferably, said multiple track magnetic head also is provided with the shield blade that prevents phase mutual interference between the magnetic track, and said shield blade is arranged between adjacent two magnetic tracks, and said shield blade is at least a slice.
Adopt the beneficial effect of present technique scheme to be: can effectively rewrite the data of high-coercive force magnetic card, read or write speed is fast, and eddy current loss is little, stable and reliable structure, and long service life, volume is little, good looking appearance, good development prospect has wide range of applications.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology; To do to introduce simply to the accompanying drawing of required use in the embodiment technical description below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the schematic top plan view of the utility model.
Fig. 3 is the magnetic head chip structural representation of the utility model.
Fig. 4 is the coil rack modular construction synoptic diagram of the utility model.
Fig. 5 is the companion chip structural representation of the utility model.
Fig. 6 is a kind of embodiment of the utility model.
The numeral corresponding component title represented among the figure with letter:
1. 10. rear foot slits, the mouth 7. chip rear foot 8. through holes, 9. Qian Zui slits, 11. companion chips, 12. shield blade before casing of magnetic head 2. head suspensions 3. left magnetic head chip 4. right magnetic head chip 5. coil rack assemblies 6. chips.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Like Fig. 1 and shown in Figure 4, the embodiment of the utility model, a kind of magnetic head that can rewrite the high-coercive force magnetic card; Comprise head suspension 2 and shell 1 that magnetic head chip, coil rack assembly 5, aluminium alloy material that the permalloy material is processed are processed; Head suspension 2 is arranged in the shell 1, and magnetic head chip is arranged in the head suspension 2, and magnetic head chip is two; Be respectively left magnetic head chip 3 and right magnetic head chip 4; Magnetic head chip comprises the preceding mouth 6 of chip and the chip rear foot 7, and coil rack assembly 5 is provided with through hole 8, and the chip rear foot 7 of left magnetic head chip 3 and right magnetic head chip 4 is separately positioned in the said through hole 8; And left magnetic head chip 3 connects with right magnetic head chip 4 and forms a magnetic track; Left magnetic head chip 3 forms Qian Zui slit 9 and rear foot slit 10 after connecting with right magnetic head chip 4, and Qian Zui slit 9 and rear foot slit 10 are arranged on the geometric center of magnetic head, and the magnetic head of present embodiment is the single track magnetic head.Magnetic head chip adopts novel permalloy material with high saturated magnetic induction to process, and has improved the magnetic flux density of magnetic head, has effectively increased the magnetic field of writing of magnetic head; Can rewrite the data of high-coercive force magnetic card; Strengthened the surface oxidation-resistant ability of magnetic head, head surface is Paint Gloss, simultaneously in order to improve the card speed of writing; Reduce the thickness of material, reduce the eddy current loss of material.Head suspension adopts aluminium alloy material to process, and the track of fixed head makes the requirement that card meets the magnetic card track of writing of magnetic head.
As shown in Figure 3, magnetic head chip is formed by stacking by nine chips in the present embodiment, reduces eddy current loss effectively.Magnetic head chip is at least two chips and is formed by stacking, according to the difference of work requirements, and the quantity of the required superimposed chip of design magnetic head chip.As shown in Figure 2, the magnetic head chip both sides also are respectively equipped with two companion chips 11 in the present embodiment.As shown in Figure 5, adopt the magnetic head chip both sides that the structure of companion chip 11 is set, reserve corresponding space for the coil rack assembly 5 of magnetic head, guarantee the performance of the each side of magnetic head.
As shown in Figure 6, the another kind of embodiment of the utility model, all the other are identical with embodiment 1; Difference is that present embodiment is the double track magnetic head, also is provided with the shield blade 12 that prevents phase mutual interference between the magnetic track between two magnetic tracks; Shield blade 12 is three in the present embodiment, and middle a slice is processed for the permalloy material, plays the effect of magnetic shielding; Process for copper product, when playing separated magnetic effect, also play the effect of electric shield for other two.And strengthen the size of shield blade 12, what can increase magnetic head writes the card shield effectiveness, reduces the size of the magnetic head chip forward foot in a step, what increase magnetic head writes the magnetic flux flow, thereby improve magnetic head write the card performance.The magnetic head of the utility model can be made single track, double track, three magnetic tracks or four magnetic tracks, according to the different working demand, designs corresponding magnetic track quantity.Shield blade 12 is at least a slice, according to the difference of job requirement, designs the quantity of corresponding shield blade 12.
All the other are identical with embodiment 1, and difference is, on the limit of the magnetic head chip of magnetic head, adopt stupalith, can improve the serviceable life of magnetic head.
Adopt the beneficial effect of present technique scheme to be: can effectively rewrite the data of high-coercive force magnetic card, read or write speed is fast, and eddy current loss is little, stable and reliable structure, and long service life, volume is little, good looking appearance, good development prospect has wide range of applications.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (6)
1. the magnetic head that can rewrite the high-coercive force magnetic card; It is characterized in that comprise head suspension and shell that magnetic head chip, coil rack assembly, aluminium alloy material that the permalloy material is processed are processed, said head suspension is arranged in the said shell; Said magnetic head chip is arranged in the said head suspension; Said magnetic head chip is two, and said magnetic head chip comprises the preceding mouth of chip and the chip rear foot, and said coil rack assembly is provided with through hole; The chip rear foot of said two magnetic head chips is separately positioned in the said through hole, and said two magnetic head chips connect and form a magnetic track.
2. a kind of magnetic head that can rewrite the high-coercive force magnetic card according to claim 1 is characterized in that, forms Qian Zui slit and rear foot slit after said two magnetic head chips connect, and said Qian Zui slit and rear foot slit are arranged on the geometric center of said magnetic head.
3. a kind of magnetic head that can rewrite the high-coercive force magnetic card according to claim 1 and 2 is characterized in that said magnetic head chip is formed by stacking by two chips at least.
4. a kind of magnetic head that can rewrite the high-coercive force magnetic card according to claim 3 is characterized in that said magnetic head chip both sides also are respectively equipped with a slice companion chip at least.
5. a kind of magnetic head that can rewrite the high-coercive force magnetic card according to claim 1 is characterized in that said magnetic head is single track or multiple track.
6. a kind of magnetic head that can rewrite the high-coercive force magnetic card according to claim 5; It is characterized in that; Said multiple track magnetic head also is provided with the shield blade that prevents phase mutual interference between the magnetic track, and said shield blade is arranged between adjacent two magnetic tracks, and said shield blade is at least a slice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203061206U CN202189380U (en) | 2011-08-22 | 2011-08-22 | Magnetic head for rewriting high coercivity magnetic card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203061206U CN202189380U (en) | 2011-08-22 | 2011-08-22 | Magnetic head for rewriting high coercivity magnetic card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202189380U true CN202189380U (en) | 2012-04-11 |
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ID=45920817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203061206U Expired - Fee Related CN202189380U (en) | 2011-08-22 | 2011-08-22 | Magnetic head for rewriting high coercivity magnetic card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202189380U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103839328A (en) * | 2012-11-28 | 2014-06-04 | 苏州星火磁电技术有限公司 | Magnetic head supporting encryption of magnetic card |
| CN102955952B (en) * | 2011-08-22 | 2016-11-16 | 苏州星火磁电技术有限公司 | A kind of magnetic head that can rewrite high-coercive force magnetic card |
-
2011
- 2011-08-22 CN CN2011203061206U patent/CN202189380U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955952B (en) * | 2011-08-22 | 2016-11-16 | 苏州星火磁电技术有限公司 | A kind of magnetic head that can rewrite high-coercive force magnetic card |
| CN103839328A (en) * | 2012-11-28 | 2014-06-04 | 苏州星火磁电技术有限公司 | Magnetic head supporting encryption of magnetic card |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20150822 |
|
| EXPY | Termination of patent right or utility model |