CN203465779U - Magnetic detection magnetic head applied to currency detection - Google Patents
Magnetic detection magnetic head applied to currency detection Download PDFInfo
- Publication number
- CN203465779U CN203465779U CN201320544211.2U CN201320544211U CN203465779U CN 203465779 U CN203465779 U CN 203465779U CN 201320544211 U CN201320544211 U CN 201320544211U CN 203465779 U CN203465779 U CN 203465779U
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- China
- Prior art keywords
- chip
- magnetic head
- magnetic
- currency examine
- coil rack
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- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
The utility model relates to a magnetic detection magnetic head applied to currency detection. The magnetic detection magnetic head comprises a magnetic head casing body, a coil frame which is arranged in the magnetic head casing body, three lead pins, three coils and a magnetic head chip group. Three lead pins are arranged at the lower part of the coil frame. Three coils are respectively arranged on the lead pins and form a double coil structure. The magnetic head chip group comprises a left chip, a middle chip and a right chip, wherein the left chip, the middle chip and the right chip are orderly arranged in the coil frame and form a double loop structure. Gap tablets are arranged at the positions, which are corresponding to the left chip and the right chip, of the middle chip. According to the utility model, the left chip, the middle chip and the right chip form the double loop structure; three coils form the double coil structure; the structure is simple and reasonable; noises can be reduced; and weak magnetic products can be effectively detected.
Description
Technical field
The utility model relates to a kind of magnetic head, relates in particular to a kind of inspection magnetic magnetic head for currency examine that reduces noise.
Background technology
Magnetic head is made on chip with coil winding, goes the amplitude of induced signal by curent change.When work, magnetic head carrys out reading out data by the variation in magnetic field on induction chip, by the magnetic field changing on chip, carrys out data writing.Magnetic card reader magnetic head is widely used in the various card-reading apparatus such as POS card reader, ATM automatic teller machine.
Current, magnetic head generally comprises magnetic head housing, be arranged at coil rack in magnetic head housing, be wound in the coil on coil rack and be sticked in the chip in the cavity of coil rack, the surface of coil rack is provided with terminal pin, terminal pin is arranged at same one end of described coil rack, and the termination of coil is wound on terminal pin.
Magnetic head structure of the prior art is simple, mostly only has two chips to form single loop structure, and noise ratio is larger, therefore, needs a kind of inspection magnetic magnetic head for currency examine that can reduce noise badly.
Utility model content
The purpose of this utility model is to overcome the defect that prior art exists, and a kind of inspection magnetic magnetic head for currency examine that reduces noise is provided.
The technical scheme that realizes the utility model object is: inspection magnetic magnetic head for a kind of currency examine, comprise the magnetic head housing that permalloy soft magnetic material is made, and be arranged at the coil rack in described magnetic head housing, three terminal pins, three groups of coils, the magnetic head chip group that permalloy soft magnetic material is made, described three terminal pins are arranged at described coil rack bottom, described three groups of coils are arranged at respectively on terminal pin and form two coil configuration, described magnetic head chip group comprises the left chip being set in turn in described coil rack, chips and right chip, and make left chip, chips and right chip form double loop structure, described chips and described left chip, the corresponding position of described right chip is provided with spacer shims.
Further, described coil rack is horizontally disposed with the first mounting hole that runs through described coil rack, and described coil rack top is provided with and vertical the second mounting hole that arranges and be connected of described the first mounting hole.
Further, described left chip and described right chip are bending structure, described left chip comprises left chip Qian Zui and the left chip rear foot, described right chip comprises right chip Qian Zui and the right chip rear foot, the described left chip rear foot and the described right chip rear foot insert respectively in described the first mounting hole, and described chips is arranged in described the second mounting hole.
Further, described spacer shims is non-magnetic spacer shims.
Further, described non-magnetic spacer shims is copper sheet or titanium sheet.
Further, the width of described spacer shims is 50～70mm, and the length of described spacer shims is 0.05～0.15mm.
Further, in described magnetic head housing, be also sealed with curing glue.
Further, described curing glue is epoxy resin.
The utlity model has positive effect: in the utility model, left chip, chips and right chip form double loop structure, three groups of coils form two coil configuration simultaneously, simple and reasonable, can reduce noise, can effectively detect weak magnetic product.
Accompanying drawing explanation
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below, wherein:
Fig. 1 is structural representation of the present utility model.
Wherein: 1, coil rack, 2, left chip, 3, chips, 4, right chip, the 5, second mounting hole, the 6, first mounting hole.
Embodiment
As shown in Figure 1, as the first preferred embodiment, the present embodiment provides inspection magnetic magnetic head for a kind of currency examine, comprise the magnetic head housing that permalloy soft magnetic material is made, and be arranged at the coil rack 1 in magnetic head housing, three terminal pins, three groups of coils, the magnetic head chip group that permalloy soft magnetic material is made, three terminal pins are arranged at coil rack 1 bottom, three groups of coils are arranged at respectively on terminal pin and form two coil configuration, magnetic head chip group comprises the left chip 2 being set in turn in coil rack, chips 3 and right chip 4, and make left chip 2, chips 3 and right chip 4 form double loop structure, chips 3 and left chip 2, the corresponding position of right chip 3 is provided with copper sheet, the width of copper sheet is 50～70mm, the length of copper sheet is 0.05～0.15mm, the width of the preferred copper sheet of the present embodiment is 60mm, the length of copper sheet is 0.1mm.
The coil rack 1 that the present embodiment provides is horizontally disposed with the first mounting hole 6 of thorough coil skeleton 1, and coil rack 1 top is provided with and vertical the second mounting hole 5 that arranges and be connected of the first mounting hole 6; Left chip 2 and right chip 3 are bending structure, left chip 2 comprises left chip Qian Zui and the left chip rear foot, described right chip 3 comprises right chip Qian Zui and the right chip rear foot, and the left chip rear foot and the right chip rear foot insert respectively in the first mounting hole 6, and chips 4 is arranged in the second mounting hole 5.
In the present embodiment, left chip 2, chips 3 and right chip 4 form double loop structure, three groups of coils form two coil configuration simultaneously, simple and reasonable, can reduce noise, can effectively detect weak magnetic product, on the other hand, the copper sheet of the present embodiment size is as spacer shims, while having guaranteed paper currency detection, in the region of magnetic safety line, reached the object that detects forge or true or paper money.
As the second preferred embodiment, all the other are identical with embodiment 1, and difference is, the spacer shims that the present embodiment provides is titanium sheet, is also sealed with epoxy resin in magnetic head housing.
In the present embodiment, in magnetic head housing inner seal ring epoxy resins, assurance is smooth without protruding danger with bank note surface of contact, has effectively avoided the phenomenon of card paper money.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a currency examine is with examining magnetic magnetic head, it is characterized in that, comprise the magnetic head housing that permalloy soft magnetic material is made, and be arranged at the coil rack in described magnetic head housing, three terminal pins, three groups of coils, the magnetic head chip group that permalloy soft magnetic material is made, described three terminal pins are arranged at described coil rack bottom, described three groups of coils are arranged at respectively on terminal pin and form two coil configuration, described magnetic head chip group comprises the left chip being set in turn in described coil rack, chips and right chip, and make left chip, chips and right chip form double loop structure, described chips and described left chip, the corresponding position of described right chip is provided with spacer shims.
2. currency examine according to claim 1 is with examining magnetic magnetic head, it is characterized in that, described coil rack is horizontally disposed with the first mounting hole that runs through described coil rack, and described coil rack top is provided with and vertical the second mounting hole that arranges and be connected of described the first mounting hole.
3. currency examine according to claim 2 is with examining magnetic magnetic head, it is characterized in that, described left chip and described right chip are bending structure, described left chip comprises left chip Qian Zui and the left chip rear foot, described right chip comprises right chip Qian Zui and the right chip rear foot, the described left chip rear foot and the described right chip rear foot insert respectively in described the first mounting hole, and described chips is arranged in described the second mounting hole.
4. inspection magnetic magnetic head for currency examine according to claim 1, is characterized in that, described spacer shims is non-magnetic spacer shims.
5. inspection magnetic magnetic head for currency examine according to claim 4, is characterized in that, described non-magnetic spacer shims is copper sheet or titanium sheet.
6. inspection magnetic magnetic head for currency examine according to claim 1, is characterized in that, the width of described spacer shims is 50～70mm, and the length of described spacer shims is 0.05～0.15mm.
7. according to inspection magnetic magnetic head for the arbitrary described currency examine of claim 1-6, it is characterized in that, in described magnetic head housing, be also sealed with curing glue.
8. inspection magnetic magnetic head for currency examine according to claim 7, is characterized in that, described curing glue is epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544211.2U CN203465779U (en) | 2013-09-04 | 2013-09-04 | Magnetic detection magnetic head applied to currency detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544211.2U CN203465779U (en) | 2013-09-04 | 2013-09-04 | Magnetic detection magnetic head applied to currency detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203465779U true CN203465779U (en) | 2014-03-05 |
Family
ID=50178128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320544211.2U Expired - Fee Related CN203465779U (en) | 2013-09-04 | 2013-09-04 | Magnetic detection magnetic head applied to currency detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203465779U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456073A (en) * | 2013-09-04 | 2013-12-18 | 苏州星火磁电技术有限公司 | Magnetism detection magnetic head for money verification |
| CN107730711A (en) * | 2017-10-26 | 2018-02-23 | 深圳怡化电脑股份有限公司 | Paper money temporary module, paper money temporary module roller testing agency and detection method |
-
2013
- 2013-09-04 CN CN201320544211.2U patent/CN203465779U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456073A (en) * | 2013-09-04 | 2013-12-18 | 苏州星火磁电技术有限公司 | Magnetism detection magnetic head for money verification |
| CN107730711A (en) * | 2017-10-26 | 2018-02-23 | 深圳怡化电脑股份有限公司 | Paper money temporary module, paper money temporary module roller testing agency and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20150904 |
|
| EXPY | Termination of patent right or utility model |