CN206460542U - A kind of Hall thickness detection mechanism - Google Patents
A kind of Hall thickness detection mechanism Download PDFInfo
- Publication number
- CN206460542U CN206460542U CN201720140918.5U CN201720140918U CN206460542U CN 206460542 U CN206460542 U CN 206460542U CN 201720140918 U CN201720140918 U CN 201720140918U CN 206460542 U CN206460542 U CN 206460542U
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- Prior art keywords
- hall
- paper money
- magnet
- measuring
- thickness
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of Hall thickness detection mechanism, including：The lower end of crosses paper money top plate is right against the upper end of crosses paper money bottom plate；Thickness measuring reference axis is installed on crosses paper money bottom plate by flange bearing；One group of Hall sensor on front side of the inside of crosses paper money top plate with being fixedly connected, and another group of Hall sensor on rear side of the inside of crosses paper money top plate with being fixedly connected, and the detecting means of two groups of Hall sensors are faced；Detect that roll assembly includes some measuring rolls, a measuring roll support shaft, some detection roller supports and some magnet, each to detect that roller support and measuring roll and magnet positioned at detection roller support both sides are respectively formed a lever construction, the fulcrum of lever construction is measuring roll support shaft.The Hall sensor that each magnet correspondence two of utility model is located at magnet both sides, Hall sensor of the meeting away from opposite side while Hall sensor of the magnet close to side, therefore, it is possible to amplify the displacement of magnet, improves the precision of measurement.
Description
Technical field
The utility model is related to the technical field of Thickness sensitivity, more particularly to a kind of Hall thickness detection mechanism.
Background technology
For each sheet valuable document (such as bank note, check, the remittance to batch processing in financial self-service equipment
Ticket etc.) test one by one, it is necessary to whole folded sheet valuable document is separated a sheet by a sheet, then to separation individual be thin
Piece class valuable document carries out the means of identification such as image recognition, Thickness sensitivity, magnetic information detection, has with the sheet for ensureing handled
The authenticity of value document, wherein the Thickness sensitivity to bank note is an essential discriminating means.The valuable text of current sheet
Part is generally fabricated to the slice-shaped medium with certain thickness feature using special material, by sheet valuable document
Thickness characteristics can recognize the adhesive tape pasted on banknote and knuckle etc., so as to reject unqualified banknote.Therefore, in financial service
In equipment, the reliable discriminating of valuable document thickness differentiates significant to valuable document authenticity.
Utility model content
The problem of for above-mentioned generation, the purpose of this utility model is to provide a kind of Hall thickness detection mechanism.
To achieve these goals, the technical scheme that the utility model is taken is：
A kind of Hall thickness detection mechanism, wherein, including：One crosses paper money top plate and a crosses paper money bottom plate, the crosses paper money top plate
Lower end is right against the upper end of the crosses paper money bottom plate；One thickness measuring reference axis, the thickness measuring reference axis is installed on institute by flange bearing
State on crosses paper money bottom plate；One detection components, the detection components include some Hall sensors, and some Hall sensors are divided into
Two groups, Hall sensor described in one group on front side of the inside of the crosses paper money top plate with being fixedly connected, hall sensing described in another group
Device on rear side of the inside of the crosses paper money top plate with being fixedly connected, and the detecting means of Hall sensor are faced described in two groups；One detection
Roll assembly, the detection roll assembly includes some measuring rolls, a measuring roll support shaft, some detection roller supports and some magnet,
The measuring roll support shaft through it is some it is described detection roller supports sides middle part, the measuring roll support shaft with it is some described
Detection roller support is fixedly connected, and the lower end of each detection roller support is hinged with measuring roll described in one, each measuring roll
The upper end of support is fixed with magnet described in one, each detection roller support and positioned at described in the detection roller support both sides
Measuring roll and the magnet are respectively formed a lever construction, and the fulcrum of the lever construction is the measuring roll support shaft；Some institutes
State measuring roll to be in contact with the thickness measuring reference axis, some magnet are respectively positioned between Hall sensor described in two groups, often
Magnet described in one is installed on the Hall sensor on front side of the crosses paper money top plate and one with one and is installed on rear side of the crosses paper money top plate
Hall sensor match；When there is bank note to enter between the measuring roll and the thickness measuring reference axis, pass through the lever
Structure makes the magnet displacement, is installed on the Hall sensor on front side of the crosses paper money top plate and is installed on rear side of the crosses paper money top plate
Hall sensor detect the displacement information of the magnet, amplify the displacement of the magnet by Hall sensor described in two, it is right
The thickness of bank note is accurately measured.
Above-mentioned Hall thickness detection mechanism, wherein, the side at the middle part of each detection roller support is provided with a torsion
Spring pressing plate and a torsion spring, each torsion spring are sheathed in the measuring roll support shaft, a toggle of each torsion spring
The torsion spring pressing plate is butted on, another toggle of each torsion spring is butted on the crosses paper money top plate, made by some torsion springs
Some measuring rolls are in contact with the thickness measuring reference axis.
Above-mentioned Hall thickness detection mechanism, wherein, an in addition to dust arrester, the dust arrester includes：One compresses
Shell fragment, one end of the compression shell fragment is provided with dedusting plastic head, and the dedusting plastic head is butted on the thickness measuring reference axis；One bullet
Piece pressing plate, the other end of the compression shell fragment inserts the inside of the shell fragment pressing plate, the shell fragment pressing plate and the crosses paper money bottom plate
It is fixedly connected.
Above-mentioned Hall thickness detection mechanism, wherein, the dedusting plastic head is compressed in the way of injection molding with described
One end of shell fragment is fixedly connected.
Above-mentioned Hall thickness detection mechanism, wherein, in addition to some dedusting pieces, each dedusting piece passes through spiral shell respectively
Nail is with detecting that roller support is fixedly connected described in one, each dedusting piece is butted on measuring roll described in one respectively.
Above-mentioned Hall thickness detection mechanism, wherein, the detecting means of Hall sensor described in two are respectively positioned on some magnetic
In the range of the magnetic of iron.
Above-mentioned Hall thickness detection mechanism, wherein, the detection components use and are pressed in the crosses paper money top by stage clip
On plate.
Above-mentioned Hall thickness detection mechanism, wherein, some measuring rolls, some detection roller supports and some institutes
The quantity for stating magnet is 12.
The utility model is as a result of above-mentioned technology, and the good effect for being allowed to have compared with prior art is：
(1) Hall sensor that each magnet correspondence two of the present utility model is located at magnet both sides, when magnet is close to one
Hall sensor of the meeting away from opposite side while the Hall sensor of side, therefore, it is possible to amplify the displacement of magnet, improves measurement
Precision.
Brief description of the drawings
Fig. 1 is the schematic diagram of Hall thickness detection mechanism of the present utility model.
Fig. 2 is the side schematic view of Hall thickness detection mechanism of the present utility model.
Fig. 3 is the partial schematic diagram of Hall thickness detection mechanism of the present utility model.
Fig. 4 is the position view of Hall thickness detection mechanism of the present utility model.
Fig. 5 is the position view of Hall thickness detection mechanism of the present utility model.
In accompanying drawing：1st, crosses paper money top plate；2nd, crosses paper money bottom plate；3rd, thickness measuring reference axis；4th, Hall sensor；5th, roll assembly is detected；
51st, measuring roll；52nd, measuring roll support shaft；53rd, roller support is detected；531st, torsion spring pressing plate；532nd, torsion spring；54th, magnet；61st, compress
Shell fragment；62nd, dedusting plastic head；63rd, shell fragment pressing plate；7th, dedusting piece.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as of the present utility model
Limit.
Fig. 1 is the schematic diagram of Hall thickness detection mechanism of the present utility model, and Fig. 2 is Hall thickness inspection of the present utility model
The side schematic view of mechanism is surveyed, Fig. 3 is the partial schematic diagram of Hall thickness detection mechanism of the present utility model, refer to Fig. 1, figure
2nd, shown in Fig. 3, a kind of Hall thickness detection mechanism of preferred embodiment is shown, including：Crosses paper money top plate 1 and crosses paper money bottom plate 2, mistake
The lower end of paper money top plate 1 is right against the upper end of crosses paper money bottom plate 2.
In addition, as in preferred embodiment, Hall thickness detection mechanism also includes：Thickness measuring reference axis 3, thickness measuring reference axis
3 are installed on crosses paper money bottom plate 2 by flange bearing.Thickness measuring reference axis 3 is used for the benchmark as bank note thickness measuring.
In addition, as in preferred embodiment, Hall thickness detection mechanism also includes：Detection components, detection components include
Some Hall sensors 4, some 4 points of Hall sensors are two groups, before the inside of one group of Hall sensor 4 and crosses paper money top plate 1
Side is fixedly connected, another group of Hall sensor 4 with being fixedly connected on rear side of the inside of crosses paper money top plate 1, two groups of Hall sensors 4
Detecting means are faced.
In addition, as in preferred embodiment, Hall thickness detection mechanism also includes：Roll assembly 5 is detected, roll assembly is detected
5 include some measuring rolls 51, a measuring roll support shaft 52, some detection roller supports 53 and some magnet 54, measuring roll support shaft
52 are fixedly connected through the middle part of the side of some detection roller supports 53, measuring roll support shaft 52 with some detection roller supports 53,
The lower end of each detection roller support 53 is hinged with a measuring roll 51, and the upper end of each detection roller support 53 is fixed with a magnet 54,
It is each to detect that roller support 53 and measuring roll 51 and magnet 54 positioned at detection roller support 53 both sides are respectively formed a lever construction, thick stick
The fulcrum of bar structure is measuring roll support shaft 52.
In addition, as in preferred embodiment, some measuring rolls 51 are in contact with thickness measuring reference axis 3, some magnet 54
Be respectively positioned between two groups of Hall sensors 4, each magnet 54 be installed on one the front side of crosses paper money top plate 1 Hall sensor 4 and
One Hall sensor 4 for being installed on the rear side of crosses paper money top plate 1 matches.
In addition, as in preferred embodiment, the side at the middle part of each detection roller support 53 is provided with torsion spring pressing plate 531
With torsion spring 532, each torsion spring 531 is sheathed in measuring roll support shaft 52, and a toggle of each torsion spring 532 is butted on torsion spring pressure
Plate 531, another toggle of each torsion spring 532 is butted on crosses paper money top plate 1, makes some measuring rolls 51 and survey by some torsion springs 532
Thick reference axis 3 is in contact.So that when no bank note is by between measuring roll 51 and thickness measuring reference axis 3, measuring roll 51 can be tight
Paste thickness measuring reference axis 3.
The utility model preferred embodiment is these are only, embodiment of the present utility model and protection is not thereby limited
Scope.
The utility model also has on the basis of the above is implemented as follows mode：
In further embodiment of the present utility model, continuing with referring to shown in Fig. 1, Fig. 2 and Fig. 3, in addition to dust arrester,
Dust arrester includes：Shell fragment 61 and shell fragment pressing plate 63 are compressed, the one end for compressing shell fragment 61 is provided with dedusting plastic head 62, dedusting modeling
Glue first 62 is butted on thickness measuring reference axis 3.Compress the inside of the other end insertion shell fragment pressing plate 63 of shell fragment 61, shell fragment pressing plate 63 and crosses paper money
Bottom plate 2 is fixedly connected.Dust arrester is used for the debris on thickness measuring reference axis 3 on contamination bill so that influence measurement result.
In further embodiment of the present utility model, dedusting plastic head 62 is in the way of injection molding with compressing shell fragment 61
One end is fixedly connected.
In further embodiment of the present utility model, in addition to some dedusting pieces 7, each dedusting piece 7 passes through screw respectively
71 are fixedly connected with a detection roller support 53, and each dedusting piece 7 is butted on a measuring roll 51 respectively.Dedusting piece 7 is used to prevent detection
The debris being infected with roller 51 on bill is so that influence measurement result.
In further embodiment of the present utility model, the detecting means of two Hall sensors 4 are respectively positioned on the magnetic of some magnet 54
In the range of property.
In further embodiment of the present utility model, detection components are used and are pressed in by stage clip on crosses paper money top plate 1.
In further embodiment of the present utility model, continuing with shown in Figure 1, some measuring rolls 51, some measuring rolls
The quantity of support 53 and some magnet 54 is 12.
Illustrate operation principle of the present utility model below：
It is some because thickness measuring reference axis 3 is fixing axle when there is bank note to enter between thickness measuring reference axis 3 and measuring roll 51
Measuring roll 51 is shifted up by the upward power of the thickness of paper, and then drives detection roller support 53 to surround measuring roll support shaft
52 rotate, therefore the magnet 54 in detection roller support 53 offsets to one side.
Fig. 4 is the position view of Hall thickness detection mechanism of the present utility model, shown in Figure 3, when thickness measuring base
When there is no bank note between fiducial axis 3 and measuring roll 51, because the effect of torsion spring 532 causes measuring roll 51 to be close to thickness measuring reference axis 3,
Now magnet 54 is located at reference position.
Fig. 5 is the position view of Hall thickness detection mechanism of the present utility model, shown in Figure 5, when thickness measuring base
When entering bank note between fiducial axis 3 and measuring roll 51, measuring roll 51 is by upward power, due to lever construction so that magnet 54 is as schemed
Offset to the right shown in 5, be now placed in Hall sensor 4 of the magnet 54 away from left side and the Hall sensor 4 on close right side, two
Hall sensor 4 have received the displacement signal of magnet 54, therefore be exaggerated the displacement of magnet 54, be passed compared to unilateral Hall
The setting of sensor 4 is more accurate.
In addition, the utility model is provided with several parallel side-by-sides and the detection roll assembly 5 in measuring roll support shaft 52, because
This can detect the width and thickness of bank note simultaneously.
The utility model preferred embodiment is these are only, embodiment of the present utility model and protection is not thereby limited
Scope, to those skilled in the art, should can appreciate that all utilization the utility model specifications and diagramatic content institute
Scheme obtained by the equivalent substitution made and obvious change, should be included in protection domain of the present utility model
It is interior.
Claims (8)
1. a kind of Hall thickness detection mechanism, it is characterised in that including：
One crosses paper money top plate and a crosses paper money bottom plate, the lower end of the crosses paper money top plate are right against the upper end of the crosses paper money bottom plate；
One thickness measuring reference axis, the thickness measuring reference axis is installed on the crosses paper money bottom plate by flange bearing；
One detection components, the detection components include some Hall sensors, and some Hall sensors are divided into two groups, one group
The Hall sensor on front side of the inside of the crosses paper money top plate with being fixedly connected, Hall sensor described in another group and the mistake
It is fixedly connected on rear side of the inside of paper money top plate, the detecting means of Hall sensor are faced described in two groups；
One detection roll assembly, the detection roll assembly include some measuring rolls, a measuring roll support shaft, some detection roller supports and
Some magnet, the measuring roll support shaft is through the middle part of the side of some detection roller supports, the measuring roll support shaft
It is fixedly connected with some detection roller supports, the lower end of each detection roller support is hinged with measuring roll described in one, each
The upper end of the detection roller support is fixed with magnet described in one, each detection roller support and positioned at the detection roller support
The measuring roll and the magnet of both sides are respectively formed a lever construction, and the fulcrum of the lever construction supports for the measuring roll
Axle；
Some measuring rolls are in contact with the thickness measuring reference axis, and some magnet are respectively positioned on hall sensing described in two groups
Between device, the Hall sensor and one that each magnet is installed on front side of the crosses paper money top plate with one is installed on the crosses paper money
Hall sensor on rear side of top plate matches.
2. Hall thickness detection mechanism according to claim 1, it is characterised in that the middle part of each detection roller support
Side be provided with a torsion spring pressing plate and a torsion spring, each torsion spring is sheathed in the measuring roll support shaft, Mei Yisuo
The toggle for stating torsion spring is butted on the torsion spring pressing plate, and another toggle of each torsion spring is butted on the crosses paper money top plate, leads to
Crossing some torsion springs makes some measuring rolls be in contact with the thickness measuring reference axis.
3. Hall thickness detection mechanism according to claim 1, it is characterised in that described to remove also including a dust arrester
Dirt device includes：
One compresses shell fragment, and one end of the compression shell fragment is provided with dedusting plastic head, and the dedusting plastic head is butted on the thickness measuring
Reference axis；
One shell fragment pressing plate, the other end of the compression shell fragment inserts the inside of the shell fragment pressing plate, the shell fragment pressing plate with it is described
Crosses paper money bottom plate is fixedly connected.
4. Hall thickness detection mechanism according to claim 3, it is characterised in that the dedusting plastic head is with injection molding
Mode with it is described compression shell fragment one end be fixedly connected.
5. Hall thickness detection mechanism according to claim 1, it is characterised in that also including some dedusting pieces, Mei Yisuo
Dedusting piece is stated respectively by screw with detecting that roller support is fixedly connected described in one, each dedusting piece is butted on described in one and examined respectively
Survey roller.
6. Hall thickness detection mechanism according to claim 1, it is characterised in that the detecting means of Hall sensor described in two
In the range of the magnetic for being respectively positioned on some magnet.
7. Hall thickness detection mechanism according to claim 1, it is characterised in that the detection components, which are used, passes through stage clip
It is pressed on the crosses paper money top plate.
8. Hall thickness detection mechanism according to claim 1, it is characterised in that some measuring rolls, some described
The quantity for detecting roller support and some magnet is 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720140918.5U CN206460542U (en) | 2017-02-16 | 2017-02-16 | A kind of Hall thickness detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720140918.5U CN206460542U (en) | 2017-02-16 | 2017-02-16 | A kind of Hall thickness detection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206460542U true CN206460542U (en) | 2017-09-01 |
Family
ID=59695324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720140918.5U Expired - Fee Related CN206460542U (en) | 2017-02-16 | 2017-02-16 | A kind of Hall thickness detection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206460542U (en) |
-
2017
- 2017-02-16 CN CN201720140918.5U patent/CN206460542U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20210216 |