CN206162757U - Novel currency examine magnetic head - Google Patents
Novel currency examine magnetic head Download PDFInfo
- Publication number
- CN206162757U CN206162757U CN201621045781.7U CN201621045781U CN206162757U CN 206162757 U CN206162757 U CN 206162757U CN 201621045781 U CN201621045781 U CN 201621045781U CN 206162757 U CN206162757 U CN 206162757U
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- magnetic head
- magnetic
- shielding case
- magnetic core
- core unit
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Abstract
The utility model discloses a novel currency examine magnetic head for on installing the mainboard of counterfeit money detector, it is including a shielding shell, be equipped with an at least magnetic core unit along its length direction in the shielding shell, the shielding shell the top surface on seted up with the corresponding opening of work end of magnetic core unit, the bottom of the both sides face of shielding shell all is equipped with an at least earth lug, the bottom lid of shielding shell has closed a screening cover, the terminal of magnetic core unit is followed the screening cover stretches out and arrives with the beading on the mainboard of counterfeit money detector. Compared with the prior art, the utility model discloses a novel currency examine magnetic head has increased the earth lug, but this earth lug can be used to the fixed and ground connection shielding interference signal of magnetic head installation for but circuit board and multicore lead wire in the current magnetic head are saved on arriving the mainboard of counterfeit money detector to the terminal beading of magnetic head, do benefit to and improve the currency examine signal -to -Noise, thereby improve the wholeness ability of magnetic head.
Description
Technical field
The utility model is related to magnetic detection technology of identification field, relates more specifically to a kind of for classes such as cash inspecting machines
Like the currency examination magnetic head of equipment.
Background technology
At present, there is a currency examination magnetic head on the paper currency detector that domestic bank, market, enterprises and institutions commonly use,
For reading the magnetic properties anti-counterfeiting signal on banknote.Traditional currency examination magnetic head is reading the magnetic characteristic anti-counterfeiting signal on banknote
Afterwards, the magnetic characteristic anti-counterfeiting signal on the banknote by many core leads of a long 300mm by reading is needed to be transferred to currency examination
On the mainboard of machine, by the mainboard about 20000 times are first amplified, then carry out Treatment Analysis.Due to the magnetic of currency examination head read output
Feature anti-counterfeiting signal is very weak, about tens microvolts, and via long 300mm many core lead transmission signals when be easily subject to currency examination
The electromagnetic interference of machine and periphery, these electromagnetic interference signals together with currency examination Signal averaging Jing motherboard circuit amplification after, signal to noise ratio
It is poor, often there is electromagnetic interference signal and cover currency examination RST, cause cash inspecting machine flase drop, wrong report phenomenon.
In consideration of it, be necessary to provide a kind of currency examination Signal-to-Noise preferably, performance preferably money detecting magnetic head.
Utility model content
The purpose of this utility model be to provide currency examination Signal-to-Noise preferably, performance preferably money detecting magnetic head to be to solve
The defect of prior art.
To achieve these goals, the utility model provides a kind of money detecting magnetic head, for installation into the master of cash inspecting machine
On plate, it includes in a shielding case, the shielding case and is provided with an at least magnetic core unit along its length, the shielding case
The opening corresponding with the working end of the magnetic core unit is offered on top surface, the bottom of the two sides of the shielding case is equipped with
An at least ground strip, the bottom of the shielding case is covered with a screening cover, and the binding post of the magnetic core unit is from the screening cover
Stretch out to be welded direct on the mainboard of the cash inspecting machine.Money detecting magnetic head disclosed in the utility model and existing magnetic head phase
Than, ground strip is increased, the ground strip can be used for the installation of magnetic head and fixes and be grounded maskable interference signal so that magnetic head connects
Terminal can be welded direct on the mainboard of cash inspecting machine, save circuit board and many core leads in existing magnetic head, beneficial to raising currency examination
Signal-to-Noise, so as to improve the overall performance of magnetic head.
Preferably, the ground strip is provided with altogether five, and wherein located at the one side of the shielding case, in addition three set two panels
In the another side of the shielding case.
Preferably, the ground strip is fixed on the shielding case by welding manner.
Preferably, the quantity of the magnetic core unit is two, and each described magnetic core unit is fixedly mounted by a magnetic core seat
In the shielding case.
Preferably, the magnetic core unit includes two magnetic cores being oppositely arranged, and the top of two magnetic cores is protruded and is total to
With a working end is formed, the working end that two magnetic cores are formed is located on the shielding case top surface within corresponding opening, two
Magnetic sheet and a spacer shims are folded with respectively between magnetic sheet and two magnetic cores in this, in being provided with one between the magnetic core described in two
A coil holder is arranged with magnetic core, a coil is wound with coil holder described in two, coil described in two is connected with altogether described in three and connects
Terminal.
Preferably, the magnetic core is using the disposable stamping magnetic core of mould by one piece of permalloy piece.Above-mentioned knot
Structure design can remove manual magnetic core lamination from, beneficial to improve production efficiency, reduce production cost.
Preferably, the either flush of the top surface of the magnetic core unit working end and the shielding case.
Preferably, the length of the shielding case is 64mm ± 0.2mm, and width is 10.6mm ± 0.2mm, is highly 13.3mm
±0.2mm。
Compared with prior art, money detecting magnetic head disclosed in the utility model increased ground strip, and the ground strip can
Maskable interference signal is fixed and is grounded in installation for magnetic head so that the binding post of magnetic head can be welded direct to the master of cash inspecting machine
On plate, the circuit board and many core leads in existing magnetic head is saved, beneficial to currency examination Signal-to-Noise is improved, so as to improve the whole of magnetic head
Body performance.
By description below and accompanying drawing is combined, the utility model will become more fully apparent, these accompanying drawings are used to explain this
The embodiment of utility model.
Description of the drawings
Fig. 1 is the bottom surface structure schematic diagram of the utility model currency examination magnetic head.
Fig. 2 is the left surface structural representation of the utility model currency examination magnetic head.
Fig. 3 is the longitudinal profile structure schematic of the utility model currency examination magnetic head.
Fig. 4 is the horizontal cross-section structure diagram of the utility model currency examination magnetic head.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in embodiment is carried out clear, complete
Ground description, the reference numerals being similar in accompanying drawing represent similar component.Obviously, embodiment explained below is only this practicality
New a part of embodiment, rather than the embodiment of whole.Based on the embodiment in the utility model, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the model of the utility model protection
Enclose.
Money detecting magnetic head disclosed in the utility model is mainly used on cash inspecting machine, to RMB, dollar, Euro,
The magnetic detection false distinguishing of safety line and ink on the various bank note such as Hongkong dollar.As shown in Figures 1 to 4, the money detecting magnetic head includes
Have in a shielding case 10, the shielding case 10 and be provided with an at least magnetic core unit 20, the top of the shielding case 10 along its length
The opening 102 corresponding with the working end of the magnetic core unit 20, the bottom of the two sides 100 of the shielding case 10 are offered on face
Portion is equipped with an at least ground strip 101, the bottom of the shielding case 10 is covered with a screening cover 30, and the magnetic core unit 20 connects
Terminal 209 stretches out to be welded direct on the mainboard of the cash inspecting machine from the screening cover 30.Based on said structure design, this reality
Maskable interference signal is fixed and is grounded in the installation that can be used for magnetic head with the ground strip 101 of new increase so that the wiring of magnetic head
Post 209 can be welded direct on the mainboard of cash inspecting machine, save circuit board and many core leads in existing magnetic head, beneficial to raising currency examination
Signal-to-Noise, so as to improve the overall performance of magnetic head.
In the embodiment shown in the figures, the ground strip 101 is provided with altogether five, and five ground strips 101 pass through
Welding manner is fixed on the shielding case 10, and wherein located at the one side 100 of the shielding case 10, in addition three are located at two panels
The another side 100 of the shielding case 10, the one side 100 for having two panels and the shielding case 10 in three ground strips 101
On two panels ground strip 101 be symmetrical arranged.
In some embodiments, such as the present embodiment, the quantity of the magnetic core unit 20 is two, each described magnetic core list
Unit 20 is fixedly installed in the shielding case 10 by a magnetic core seat 202.
With reference to Fig. 4, the magnetic core unit 20 includes first magnetic core 200 and one is oppositely arranged with first magnetic core 200
Second magnetic core 201, the working end that the magnetic core 201 of first magnetic core 200 and second is formed is located on the top surface of the shielding case 10
Within corresponding opening 102, magnetic sheet 203 in being provided between the magnetic core 201 of first magnetic core 200 and second, and described the
It is folded with a spacer shims 204, first magnetic core between one magnetic core 200 and the second magnetic core 201 and the middle magnetic sheet 203 respectively
200 are arranged with a first coil 206 by one first coil holder 205, and second magnetic core 201 is by one second coil holder 207
One second coil 208 is arranged with, the end of the coil holder 207 of first coil holder 205 and second is connected with altogether three binding posts
209。
In some embodiments, such as the present embodiment, the magnetic core 201 of first magnetic core 200 and second is by one piece of slope
Alloy sheet is not using the disposable stamping magnetic core of mould.Said structure design can remove manual magnetic core lamination from, beneficial to carrying
High efficiency, reduces production cost.
In the embodiment shown in the figures, the top surface of the working end of the magnetic core unit 20 is put down with the top surface of the shielding case 10
Together.
In some embodiments, such as the present embodiment, the length of the shielding case 10 is 64mm ± 0.2mm, and width is
10.6mm ± 0.2mm, is highly 13.3mm ± 0.2mm.
In sum, money detecting magnetic head disclosed in the utility model, it increased ground connection on the side of shielding case
Piece, the ground strip can be used for the installation of magnetic head and fix and be grounded maskable interference signal so that the binding post of magnetic head can be welded directly
Be connected on the mainboard of cash inspecting machine, save the circuit board and many core leads in existing magnetic head, beneficial to improve currency examination Signal-to-Noise, from
And improve the overall performance of magnetic head.
The utility model is described above in association with most preferred embodiment, but the utility model is not limited to the above and takes off
The embodiment shown, and various modification, the equivalent combinations carried out according to essence of the present utility model should be covered.
Claims (8)
1. a kind of money detecting magnetic head, for installation on the mainboard of cash inspecting machine, the money detecting magnetic head includes a shielding
Shell, is provided with along its length an at least magnetic core unit in the shielding case, offer on the top surface of the shielding case with it is described
The corresponding opening in the working end of magnetic core unit, it is characterised in that：The bottom of the two sides of the shielding case is equipped with least one
Ground strip, the bottom of the shielding case is covered with a screening cover, the binding post of the magnetic core unit from the screening cover stretch out with
It is welded direct on the mainboard of the cash inspecting machine.
2. money detecting magnetic head as claimed in claim 1, it is characterised in that：The ground strip is provided with altogether five, wherein two panels
Located at the one side of the shielding case, three another sides located at the shielding case in addition.
3. money detecting magnetic head as claimed in claim 1, it is characterised in that：The ground strip is fixed on institute by welding manner
State on shielding case.
4. money detecting magnetic head as claimed in claim 1, it is characterised in that：The quantity of the magnetic core unit is two, each
The magnetic core unit is fixedly installed in the shielding case by a magnetic core seat.
5. money detecting magnetic head as claimed in claim 1, it is characterised in that：The magnetic core unit includes two and is oppositely arranged
Magnetic core, the top protrusion of two magnetic cores and be collectively forming a working end, the working end that two magnetic cores are formed is located at described
On shielding case top surface within corresponding opening, magnetic sheet and magnetic sheet and two magnetic cores in this in being provided with one between two magnetic cores
Between be folded with a spacer shims respectively, be arranged with a coil holder on two magnetic cores, a line is wound with coil holder described in two
Circle, coil described in two is connected with altogether three binding posts.
6. money detecting magnetic head as claimed in claim 5, it is characterised in that：The magnetic core is adopted by one piece of permalloy piece
The disposable stamping magnetic core of mould.
7. money detecting magnetic head as claimed in claim 1, it is characterised in that：The top surface of the working end and the shielding case
Either flush.
8. the money detecting magnetic head as described in any one of claim 1-7, it is characterised in that：The length of the shielding case is 64mm
± 0.2mm, width is 10.6mm ± 0.2mm, is highly 13.3mm ± 0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621045781.7U CN206162757U (en) | 2016-09-08 | 2016-09-08 | Novel currency examine magnetic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621045781.7U CN206162757U (en) | 2016-09-08 | 2016-09-08 | Novel currency examine magnetic head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206162757U true CN206162757U (en) | 2017-05-10 |
Family
ID=58651843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621045781.7U Active CN206162757U (en) | 2016-09-08 | 2016-09-08 | Novel currency examine magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206162757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376439A (en) * | 2018-01-11 | 2018-08-07 | 全南群英达电子有限公司 | A kind of nickel-chrome magnetically soft alloy for magnetic head of cash inspecting machine shell bottom plate |
-
2016
- 2016-09-08 CN CN201621045781.7U patent/CN206162757U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376439A (en) * | 2018-01-11 | 2018-08-07 | 全南群英达电子有限公司 | A kind of nickel-chrome magnetically soft alloy for magnetic head of cash inspecting machine shell bottom plate |
| CN108376439B (en) * | 2018-01-11 | 2020-06-23 | 全南群英达电子有限公司 | Nickel-chromium soft magnetic alloy for magnetic head shell baseplate of currency detector |
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