CN202976299U - Currency detection magnetic head - Google Patents
Currency detection magnetic head Download PDFInfo
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- CN202976299U CN202976299U CN2012206379569U CN201220637956U CN202976299U CN 202976299 U CN202976299 U CN 202976299U CN 2012206379569 U CN2012206379569 U CN 2012206379569U CN 201220637956 U CN201220637956 U CN 201220637956U CN 202976299 U CN202976299 U CN 202976299U
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- iron core
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Abstract
The utility model discloses a currency detection magnetic head. The currency detection magnetic head comprises a housing and at least two magnetic core units inside the housing, wherein the housing is provided with an opening along the length direction of the housing; the magnetic core units each comprises an iron core seat, a first iron core, a second iron core, a first coil holder arranged in the first iron core, a second coil holder arranged in the second iron core and a PCB arranged behind the iron core seat; the first iron core and the second iron core are fixed inside the iron core seat, an intermediate magnetic plate is arranged between the first iron core and the second iron core, air gap sheets are arranged between the intermediate magnetic plate and the first iron core and between the intermediate magnetic plate and the second iron core respectively, the first iron core and the second iron core are winded by coils, and a terminal of the coil is connected with a terminal pin and connected to the PCB. The currency detection magnetic head uses two magnetic core units of two-seam two-magnetic-path structure, and is designed to have specific length and width, such that the magnetic head has the advantages of reasonable structure and high practicality, and is applicable in various industries and various types of currency detectors. Besides, the magnetic head is capable of detecting the safe line and ink magnetism of various types of currencies, thereby being applicable in the magnetic detection field involved with aerospace, industrial automation, etc.
Description
Technical field
The utility model relates to a kind of magnetic head, relates in particular to a kind of currency examine magnetic head.
Background technology
The paper currency detector that present domestic bank, market, enterprises and institutions generally use except being provided with magnetic detection, also is provided with the pick-up units such as infrared ray, ultraviolet ray, spectrum, image for improving the distinguishing ability to counterfeit money in the crawl space of cash inspecting machine.Therefore, more and more higher to the requirement of magnetic head, wish magnetic head guarantee sensitive high, when antijamming capability is strong, increase sensing range, and particularly width dimensions is as far as possible little to guarantee the physical dimension of magnetic head, traditional currency examine magnetic head can't meet the demands.
100 yuan of latest edition the 5th cover Renminbi, record Hard Magnetic and soft magnetism anti-counterfeiting signal on the bank note of 50 yuan, need to detect respectively together side by side with two kinds of magnetic heads, only has one group of money pressing wheel in cash inspecting machine, the highest point of contact of money pressing wheel is taken into account simultaneously can be close to magnetic head R face so that detection signal stable to guarantee banknote through out-of-date to the peak of living two kinds of magnetic head faces, this just requires the width of two kinds of magnetic heads narrow as far as possible, high-grade cash inspecting machine is owing to increasing infrared ray, ultraviolet ray, spectrum, the pick-up units such as image, also require the physical dimension of two kinds of magnetic heads as far as possible little under the prerequisite that guarantees the performances such as effective iron core detection length and signal to noise ratio (S/N ratio).The physical dimension such as tradition magnetic head width are excessive is difficult to satisfy above-mentioned requirements.
Summary of the invention
The purpose of this utility model is to provide a kind of currency examine magnetic head for the above-mentioned deficiency of existing magnetic head of cash inspecting machine.
In order to achieve the above object, the utility model has adopted following technical scheme:
a kind of currency examine magnetic head comprises a shell and is positioned at least two magnetic core unit of shell, shell is provided with an opening along its length, the magnetic core unit comprises iron core base, the first iron core, the second iron core, be located at the first coil holder in the first iron core, be located at the second coil holder and the pcb board of being located at the iron core base back in the second iron core, the first iron core and the second iron core are fixed on iron core base inside, be provided with magnetic sheet between the first iron core and the second iron core, be provided with the first spacer shims between middle magnetic sheet and the first iron core, and be provided with the second spacer shims between the second iron core, be tied with respectively coil on the first iron core and the second iron core, overhang is connected with respectively terminal supportor, terminal supportor access printed circuit board (PCB) (is called for short pcb board, Printed Circuit Board).In each magnetic core unit, iron core, coil, middle magnetic sheet and the spacer shims of two groups of symmetries form the double slit two magnetic route structure jointly.
Particularly, magnetic head comprises two magnetic core unit; Middle magnetic sheet is " protruding " font structure that three permalloy sheets consist of, and the mouth of the first iron core and the second iron core all is bent into the right angle; The shell rear portion is provided with a screening cover, and screening cover is provided with an erecting frame; The housing width of shell is 10.5 ± 0.2mm; Effectively core length is: 61 ± 0.2mm; The whole profile width of magnetic head is 10.5 ± 0.3mm, is highly 13-14mm, and length is 64mm.
The utility model discloses a kind of currency examine magnetic head, this currency examine magnetic head adopts the magnetic core unit of two double slit two magnetic route structures, and be designed to specific length, width, rational in infrastructure, practical, can be applied to every profession and trade, all kinds of cash inspecting machines such as bank, market, enterprises and institutions, to Renminbi, dollar, Euro, the magnetic of safety line and printing ink detects on the various bank note such as Hongkong dollar, can also promote the use of the related magnetic detection fields such as space flight, industrial automation.
Description of drawings
Fig. 1 is the one-piece construction figure of currency examine magnetic head;
Fig. 2 is the sectional view of currency examine magnetic head;
Fig. 3 is currency examine magnetic head installing frame schematic diagram;
Fig. 4 is middle magnetic sheet structural representation;
Fig. 5 is the core side view;
Number in the figure: shell 1, iron core base 2, the first coil holder 3, the first iron core 4, the first spacer shims 5, middle magnetic sheet 6, the second spacer shims 7, the second iron core 8, the second coil holders 9, coil 10, terminal supportor 11, pcb board 12, screening cover 13, erecting frame 14, splicing ear 15.
Embodiment
Below in conjunction with specific embodiment, concrete technical scheme of the present utility model is done further explanation clearly and completely.
Embodiment
embodiment discloses a kind of currency examine magnetic head, and in conjunction with Fig. 1-5, this currency examine magnetic head comprises a shell 1 and is positioned at two magnetic core unit of shell 1, shell 1 is provided with an opening along its length, the magnetic core unit comprises iron core base 2, the first iron core 4, the second iron core 8, be located at the first coil holder 3 in the first iron core 4, be located at the second coil holder 9 and the pcb board 12 of being located at iron core base 2 back in the second iron core 8, the first iron core 4 and the second iron core 8 are fixed on iron core base 2 inside, the first iron core 4 and 8 of the second iron cores are provided with magnetic sheet 6 in, middle magnetic sheet 6 and 4 of the first iron cores are provided with the first spacer shims 5, and the second 8 of iron cores are provided with the second spacer shims 7, be tied with respectively coil 10 on the first iron core 4 and the second iron core 8, the end of coil 10 is connected with respectively terminal supportor 11, terminal supportor 11 access pcb boards 12, thereby drawing splicing ear 15 from pcb board 12 further is electrically connected to the governor circuit of cash inspecting machine.Iron core, coil 10, middle magnetic sheet 6 and first spacer shims 5 of two groups of symmetries, the second common double slit two magnetic route structure that forms of spacer shims 7 in each magnetic core unit.
In conjunction with Fig. 4, " protruding " font structure that middle magnetic sheet 6 adopts three permalloy sheets to consist of in order to reduce the volume of magnetic core unit, thereby is convenient to install; In conjunction with Fig. 5, the mouth of the first iron core 4 and the second iron core 8 all is bent into the right angle; Shell 1 rear portion is provided with a screening cover 13; Screening cover 13 is provided with an erecting frame 14, so that magnetic head is arranged on cash inspecting machine; The housing width of shell 1 is 10.5 ± 0.2mm; Effectively core length is: 61 ± 0.2mm; The whole profile width of magnetic head is 10.5 ± 0.3mm, is highly 13-14mm, and length is 64mm.
By above-described embodiment as can be known, the disclosed currency examine magnetic head of the utility model adopts the magnetic core unit of two double slit two magnetic route structures, and be designed to specific length, width, rational in infrastructure, practical, can be applied to every profession and trade, all kinds of cash inspecting machines such as bank, market, enterprises and institutions, to Renminbi, dollar, Euro, the magnetic of safety line and printing ink detects on the various bank note such as Hongkong dollar, can also promote the use of the related magnetic detection fields such as space flight, industrial automation.
It should be noted that above-described embodiment is only to the illustrating of the technical solution of the utility model, and be not used in and limit that this is practical, everyly the utility model is done being equal to of same design replace or conversion, all belong to protection domain of the present utility model.
Claims (8)
1. currency examine magnetic head is characterized in that: comprise a shell (1) and be positioned at least two magnetic core unit of shell (1), described shell (1) is provided with an opening along its length, described magnetic core unit comprises iron core base (2), the first iron core (4), the second iron core (8), be located at the first coil holder (3) in the first iron core (4), be located at the second coil holder (9) in the second iron core (8) and be located at the pcb board (12) of iron core base (2) back, described the first iron core (4) and the second iron core (8) are fixed on described iron core base (2) inside, be provided with magnetic sheet in (6) between described the first iron core (4) and the second iron core (8), be provided with the first spacer shims (5) between described middle magnetic sheet (6) and the first iron core (4), and be provided with the second spacer shims (7) between the second iron core (8), be tied with respectively coil (10) on described the first iron core (4) and the second iron core (8), the end of described coil (10) is connected with respectively terminal supportor (11), described terminal supportor (11) accesses described pcb board (12).
2. magnetic head according to claim 1 is characterized in that: described magnetic head comprises two magnetic core unit.
3. magnetic head according to claim 1 is characterized in that: described middle magnetic sheet (6) is " protruding " font structure that three permalloy sheets consist of.
4. magnetic head according to claim 1, it is characterized in that: the mouth of described the first iron core (4) and the second iron core (8) all is bent into the right angle.
5. magnetic head according to claim 1 is characterized in that: described shell (1) rear portion is provided with a screening cover (13).
6. magnetic head according to claim 5, it is characterized in that: described screening cover (13) is provided with an erecting frame (14).
7. magnetic head according to claim 1, it is characterized in that: the housing width of described shell (1) is 10.5 ± 0.2mm; Effectively core length is: 61 ± 0.2mm.
8. magnetic head according to claim 1, it is characterized in that: the whole profile width of described magnetic head is 10.5 ± 0.3mm, is highly 13-14mm, and length is 64mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206379569U CN202976299U (en) | 2012-11-28 | 2012-11-28 | Currency detection magnetic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206379569U CN202976299U (en) | 2012-11-28 | 2012-11-28 | Currency detection magnetic head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202976299U true CN202976299U (en) | 2013-06-05 |
Family
ID=48517344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206379569U Expired - Fee Related CN202976299U (en) | 2012-11-28 | 2012-11-28 | Currency detection magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202976299U (en) |
-
2012
- 2012-11-28 CN CN2012206379569U patent/CN202976299U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN YUEBAO ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER NAME: YUEBAO ELECTRONIC INDUSTRY GENERAL CO., SHENZHEN CITY |
|
| CP03 | Change of name, title or address |
Address after: Buji Town, Shenzhen city of Guangdong Province, Guangdong Road No. 45 518000 Patentee after: SHENZHEN YUEBAO ELECTRONIC TECHNOLOGY CO., LTD. Address before: Buji Town, Longgang District of Shenzhen City, Guangdong Province, Guangdong Road No. 45 518000 Patentee before: Yuebao Electronic Industry General Co., Shenzhen City |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20191128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |