CN106442309A - Detection equipment and method - Google Patents
Detection equipment and method Download PDFInfo
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- CN106442309A CN106442309A CN201610781186.8A CN201610781186A CN106442309A CN 106442309 A CN106442309 A CN 106442309A CN 201610781186 A CN201610781186 A CN 201610781186A CN 106442309 A CN106442309 A CN 106442309A
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 239000002390 adhesive tape Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 13
- 238000012360 testing method Methods 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000001419 dependent effect Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
- G01L1/183—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material by measuring variations of frequency of vibrating piezo-resistive material
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- General Health & Medical Sciences (AREA)
- Automation & Control Theory (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses detection equipment and a method. The equipment comprises a friction force coefficient sensor and a judgment mechanism, wherein the friction force coefficient sensor is used for detecting the friction force coefficient on the surface of paper money to be detected, and the judgment mechanism is connected with the friction force coefficient sensor and used for judging whether a sticker exists on the surface of the paper money or not according to the friction force coefficient detection result. The technical problem that detection equipment in the related technology is unstable when detecting the target paper money is solved.
Description
Technical field
The present invention relates to electronic device field, detect Apparatus and method in particular to one.
Background technology
Paper currency sorter is wide variety of new high-tech product in financial industry cash handler's apparatus field, it is possible to achieve
New and old, the discrimination function of denomination, version etc. to banknote.
In daily life, bank note is easily impaired in circulation, and the bank note posting adhesive tape produces therewith, if bank note
Post adhesive tape, None-identified during self-service access on ATM, and some counterfeit moneys are also to be connected by adhesive tape at present, and
The assortment of bank note posting adhesive tape cannot be detected by the finance devices such as traditional paper currency sorter.
When the bank note posting adhesive tape is detected by prior art, typically by using light source at special angle pair
Bank note is irradiated, and light forms mirror-reflection, suitable on the propagation path of specular light on the surface of adhesive tape
Position is placed and is received device, can receive the high output voltage that this specular light is formed, and light is formed on bank note
Irreflexive light is irradiated to receive device, forms low output voltage, by the judgement to output voltage height, detects bank note
On whether post adhesive tape.But the defect of this method is, light source and receive device position must unusual considered critical,
Otherwise the reflection light of adhesive tape just cannot be received by Jian Cezhuanzhi, causes and detects unsuccessfully, slight in money transmitting channel of bank note
Float or the fold on bank note is likely to cause and detects unsuccessfully.
To sum up above-mentioned, this reflection characteristic by unlike material to light detects whether post adhesive tape on bank note
Method is unstable, insecure.
For the problems referred to above, effective solution is not yet proposed at present.
Content of the invention
Embodiments provide a kind of detection Apparatus and method for, at least to solve the detection equipment inspection in correlation technique
Survey technical problem unstable during target bank note.
An aspect according to embodiments of the present invention, provides a kind of detection equipment, including：Friction coefficient sensor,
For the friction coefficient of note surface to be measured is detected；Decision mechanism, is connected with above-mentioned friction coefficient sensor, uses
According to friction coefficient testing result, it is judged that whether there is paste on the surface of above-mentioned bank note to be measured.
Further, above-mentioned friction coefficient sensor includes：One or more, wherein, in the case of multiple, many
Individual above-mentioned friction coefficient sensor linear array is arranged.
Further, each above-mentioned friction coefficient sensor includes：Primary element, for connecing with above-mentioned bank note to be measured
Touch, and receive the active force to above-mentioned friction coefficient sensor for the above-mentioned bank note to be measured；Elastic sensing element, with above-mentioned impression unit
Part connects, for receiving the force signals of above-mentioned primary element transmission, and according to the size of the force signals receiving and
Direction produces corresponding deformation；, for when above-mentioned elastic sensing element produces deformation, there is resistance variations in strain ga(u)ge；
Compensate circuit and change-over circuit, calculate for the resistance variations occurring according to above-mentioned strain ga(u)ge, draw above-mentioned to be measured
The friction coefficient of note surface.
Further, above-mentioned elastic sensing element includes：The elastic sensing unit of lateral force and vertical are elastic
Sensing unit, is respectively used to receive lateral action force signal and the perpendicular acting force signal of the transmission of above-mentioned primary element, and according to
The size and Orientation of the lateral action force signal receiving produces corresponding first deformation, and according to the perpendicular acting receiving
The size and Orientation of force signal produces corresponding second deformation；Above-mentioned strain ga(u)ge includes：First strain ga(u)ge unit and
Second strain ga(u)ge unit, wherein, above-mentioned first strain ga(u)ge unit is in the elastic sensitive unit of above-mentioned lateral force
When part produces the first deformation, resistance variations occurring, above-mentioned second strain ga(u)ge unit is in above-mentioned vertical elasticity
When sensing element produces the first deformation, there is resistance variations.
Further, above-mentioned strain ga(u)ge includes：Substrate；Resistance sensitive grid, for according to above-mentioned substrate transfer
State the deformation on elastic sensing element surface, produce corresponding deformation；Face glue, is used for protecting above-mentioned resistance sensitive grid；Binding agent, uses
In bonding together above-mentioned resistance sensitive grid and above-mentioned substrate；Lead-out wire, is used for connecting measure traverse line.
Further, above-mentioned friction coefficient sensor is arranged on the side or two of the money transmitting channel of bank note cashier's equipment
Side.
Further, above-mentioned bank note cashier equipment includes：Paper currency sorter.
Further, above-mentioned paste includes：Adhesive tape.
According to a further aspect in the invention, a kind of detection method is additionally provided, including：Use friction coefficient sensor pair
The friction coefficient of note surface to be measured detects；Make the decision mechanism being connected with above-mentioned friction coefficient sensor according to rubbing
Wipe force coefficient testing result, it is judged that on the surface of above-mentioned bank note to be measured, whether there is paste.
Further, above-mentioned decision mechanism judges whether have stickup on the surface of above-mentioned bank note to be measured in the following manner
Thing：Receive the friction coefficient testing result that above-mentioned friction coefficient sensor detects；Obtain the friction of above-mentioned bank note to be measured
Force coefficient threshold value, above-mentioned friction coefficient threshold value is that the material of the translational speed according to bank note and bank note is set in advance；Judge
Whether above-mentioned friction coefficient testing result is beyond above-mentioned friction coefficient threshold value；If, it is determined that above-mentioned bank note to be measured
There is on surface paste.
In embodiments of the present invention, using one detection device, for the detection of bank note, wherein, this detection device includes：
Friction coefficient sensor, for detecting to the friction coefficient of note surface to be measured；Decision mechanism, with above-mentioned frictional force
Whether coefficient sensor connects, for according to friction coefficient testing result, it is judged that have viscous on the surface of above-mentioned bank note to be measured
Patch thing, has reached to detect the purpose whether posting paste on bank note, it is achieved thereby that reliablely and stablely detect on bank note
Whether post the technique effect of paste, and then instability when solving the detection Equipment Inspection target bank note in correlation technique
Technical problem.
Brief description
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of optional assay device structures schematic diagram according to embodiments of the present invention；
Fig. 2 is the schematic diagram of a kind of optional friction coefficient sensor unit according to embodiments of the present invention；
Fig. 3 is a kind of optional friction coefficient sensor primary element stress schematic diagram according to embodiments of the present invention；
Fig. 4 is the schematic diagram of a kind of optional friction coefficient other components of sensor according to embodiments of the present invention；
Fig. 5 is the schematic diagram of a kind of optional strain ga(u)ge according to embodiments of the present invention；
Fig. 6 is the schematic flow sheet of a kind of optional detection method according to embodiments of the present invention；
Fig. 7 is the schematic diagram of a kind of optional array friction coefficient sensor group according to embodiments of the present invention；
Fig. 8 is the schematic diagram of another kind of optional array friction coefficient sensor group according to embodiments of the present invention.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of not making creative work, all should belong to the model of present invention protection
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " it is etc. for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that so use
Data can exchange in the appropriate case, in order to embodiments of the invention described herein can with except here diagram or
Order beyond those describing is implemented.Additionally, term " includes " and " having " and their any deformation, it is intended that cover
Cover non-exclusive comprising.
According to embodiments of the present invention, providing a kind of detection apparatus embodiments, Fig. 1 is one according to embodiments of the present invention
Detection equipment, as it is shown in figure 1, this equipment includes：Friction coefficient sensor, for the friction coefficient to note surface to be measured
Detect；Decision mechanism (does not marks in figure), is connected with above-mentioned friction coefficient sensor, for examining according to friction coefficient
Survey result, it is judged that on the surface of above-mentioned bank note to be measured, whether there is paste.Wherein friction coefficient sensor includes impression unit
Part group 1；Elastic sensing element group 2；Strain ga(u)ge group 3；Compensate circuit 4；Change-over circuit 5.
Due to the material of bank note and the material of paste, in friction coefficient, difference is obvious, so selecting friction coefficient
The friction coefficient to note surface for the sensor measures, thus judges whether note surface posts paste.
By the above-mentioned embodiment of the present invention, using one detection device, for the detection of bank note, wherein, this detection fills
Put and include：Friction coefficient sensor, for detecting to the friction coefficient of note surface to be measured；Decision mechanism, and upper
State friction coefficient sensor to connect, for according to friction coefficient testing result, it is judged that on the surface of above-mentioned bank note to be measured be
No have paste, has reached to detect the purpose whether posting paste on bank note, it is achieved thereby that reliablely and stablely detect
Go out whether to post on bank note the technique effect of paste, and then when solving the detection Equipment Inspection target bank note in correlation technique
Unstable technical problem.
Alternatively, above-mentioned friction coefficient sensor includes：One or more, wherein, in the case of multiple, multiple
Above-mentioned friction coefficient sensor linear array is arranged.By above-mentioned embodiment, due to the array arrangement of primary element,
Can determine that particular location and the size shape size of paste.
Alternatively, each above-mentioned friction coefficient sensor includes：Primary element, for contacting with above-mentioned bank note to be measured,
And receive the active force to above-mentioned friction coefficient sensor for the above-mentioned bank note to be measured；Elastic sensing element, with above-mentioned primary element
Connect, for receiving the force signals of above-mentioned primary element transmission, and according to the size of the force signals receiving and side
To the corresponding deformation of generation；, for when above-mentioned elastic sensing element produces deformation, there is resistance variations in strain ga(u)ge；Mend
Repay circuit and change-over circuit, calculate for the resistance variations occurring according to above-mentioned strain ga(u)ge, draw above-mentioned paper to be measured
The friction coefficient on coin surface.
The effect of primary element is to contact with measured object, receive the measurement active force to sensor for the thing, and by active force
Passing to elastic sensing element, elastic sensing element, can be according to the size of power after the active force receiving primary element transmission
Producing corresponding deformation with direction, this deformation can drive the sensitive grid of strain ga(u)ge to produce deformation, and changes force signal
For the change of resistance, further after the computing by compensation circuit and change-over circuit, the output of friction coefficient sensor is measured
The friction coefficient on thing surface.Fig. 2 is the structural representation of a sensor unit of array friction force sensor.Described rub
Wipe force coefficient sensor unit to include：Primary element 10, elastic sensing element 1, elastic sensing element 2, strain ga(u)ge 12, electricity
Resistance strain gauge 14.
Concrete, as shown in Figure 4,1 is the primary element group of linear array formula friction coefficient sensor group, and 31 is to be checked
Surveying bank note, 32 is linear array formula friction coefficient sensor group other components in addition to primary element, including elastic sensitive unit
Part, strain ga(u)ge, compensate circuit and change-over circuit.When bank note 31 to be detected with a fixed speed through money transmitting channel, with
The primary element group 1 of the linear array arrangement of this sensor group rubs.It is received by each of which primary element
The side-friction force of the normal pressure being perpendicular to the acting surface of power and the acting surface being parallel to power passes to corresponding elastic sensitive single
Unit, elastic sensing unit is deformed upon by after the effect of power, and makes the strain ga(u)ge installed on it deform upon, and resistance should
Become meter and this deformation is converted to the change of resistance, after the calculating by compensation circuit and change-over circuit, corresponding malleation can be calculated
Power and friction value, and then calculate the friction coefficient of note surface.
Preset the friction coefficient threshold value of bank note by the translational speed of bank note and the material of bank note, when bank note is close
When posting adhesive tape on the face of friction coefficient sensor side, the friction coefficient at adhesive tape can be undergone mutation, and
Beyond threshold range, thus detect device and may determine that and on bank note, post adhesive tape, due to the array arrangement of primary element,
Each primary element is equivalent to a data collection point, the change of positional information and friction coefficient by collecting collection point
Information, i.e. can determine that particular location and the size shape size of adhesive tape.The density of the primary element of the embodiment of the present invention is to change
Becoming, when primary element density increases, the i.e. detection resolution of the precision of detection increases.
Alternatively, above-mentioned elastic sensing element includes：The elastic sensing unit of lateral force and vertical elasticity are quick
Sense unit, is respectively used to receive lateral action force signal and the perpendicular acting force signal of the transmission of above-mentioned primary element, and according to connecing
The size and Orientation of the lateral action force signal receiving produces corresponding first deformation, and according to the vertical receiving
The size and Orientation of signal produces corresponding second deformation；Above-mentioned strain ga(u)ge includes：First strain ga(u)ge unit and
Two strain ga(u)ge unit, wherein, above-mentioned first strain ga(u)ge unit is at above-mentioned lateral force elastic sensing element
When producing the first deformation, resistance variations occurring, above-mentioned second strain ga(u)ge unit is used for quick in above-mentioned vertical elasticity
When sensing unit produces the first deformation, there is resistance variations.
As in figure 2 it is shown, primary element 10 is sensor unit and measured object contact portion, its effect is that reception is measured
This signal is simultaneously passed to elastic sensing unit by force signal.Elastic sensing unit 1, elastic sensing unit 2 is respectively lateral action
The elastic sensing unit of power and vertical sensing unit, receive lateral action force signal and perpendicular acting force signal, bullet respectively
Property sensing unit is under the lateral or effect of vertical, and its elastic strain element can produce deformation, strain ga(u)ge
12.14 are installed at the maximum strain of elastic sensing element, and the miniature deformation of elastic strain element can make strain ga(u)ge
Sensitive grid deforms therewith, and deformation can cause the resistance of strain ga(u)ge to change, and measures the change of this resistance, by compensating electricity
Road and the calculating of change-over circuit, can calculate the value of lateral and vertical between primary element and object to be detected.Root
According to formulaThe friction coefficient on measured object surface can be calculated.Wherein μ is friction coefficient, and f is that frictional force is i.e. above-mentioned
Lateral force, N is the i.e. above-mentioned vertical of normal pressure.
When primary element contacts simultaneously relative motion with measured object, can produce vertical between primary element with object being measured
In normal pressure and the frictional force being parallel to acting surface of acting surface, as it is shown on figure 3, wherein primary element 10 and detected material 31
Speed of related movement is v, and the normal pressure producing between primary element and measured object is N, and frictional force is that f. normal pressure N can be passed through
The vertical movement of primary element passes to be positioned at the elastic sensing unit 2 below primary element so that it is producing deformation, frictional force is
F can pass to lateral elastic sensing unit 1 by the lateral movement of primary element so that it is deforms upon.These deformation are electric
Resistance strain gauge perception the change being converted into resistance, can calculate testee and impression through overcompensation circuit and change-over circuit
The friction coefficient on the surface of element contact.
Alternatively, above-mentioned strain ga(u)ge includes：Substrate；Resistance sensitive grid, above-mentioned for according to above-mentioned substrate transfer
The deformation on elastic sensing element surface, produces corresponding deformation；Face glue, is used for protecting above-mentioned resistance sensitive grid；Binding agent, is used for
Above-mentioned resistance sensitive grid and above-mentioned substrate are bonded together；Lead-out wire, is used for connecting measure traverse line.
Strain ga(u)ge that is concrete, that use in the embodiment of the present invention, it is mainly by resistance sensitive grid the 21st, as shown in Figure 5
Substrate 22, face glue (or cover layer) the 23rd, binding agent the 24th, lead-out wire 25 5 part forms, and is installed in elastic force sensing unit table
Face, substrate 22 is by the intermediate medium of 21 on the strain transfer on sensor elastic sensing unit surface to resistance sensitive grid, and rises
Insulating effect between sensitive grid and elastic force sensing unit, face glue 23 play a part protect sensitive grid, binding agent 24 be by
Sensitive grid and substrate bond together, and lead-out wire 25 is used for connecting measure traverse line.Dependent variable can be converted into by resistance sensitive grid
Resistance variations, when elastic force sensing unit is deformed upon by external force, the elastic force sensitive grid of strain ga(u)ge deforms therewith, produces one
Fixed dependent variable, this dependent variable is converted into the change of resistance by resistance sensitive grid, and is exported by lead-out wire, through overcompensation circuit
And after the computing of change-over circuit, i.e. can get the size of the dependent variable of elastic sensing element stress, computing formula is：WhereinBeing the resistance change rate of resistance sensitive grid, K is the material-sensitive coefficient of sensitive grid, is answering of stress
Variable.
The embodiment of the present invention selects metallic resistance strain gauge, and the material of its sensitive grid is metal material.Metallic resistance strains
Meter is the sensing element based on resistance-strain effect, and resistance-strain effect refers to that the resistance of metallic conductor produces in conductor stress
The physical phenomenon changing during deformation (elongating or shortening).When metallic resistance silk is by axial tension, its length increase and
Cross section diminishes, and causes resistance to increase.Otherwise, then cause resistance to reduce when it is by axial compressive force.
Alternatively, strain ga(u)ge uses semiconductor resistor strain gauge, and semiconductor resistor strain gauge is that a kind of utilization is partly led
A kind of sensing element that the piezoresistive effect of body material is made, piezoresistive effect is that semiconductor crystalline material produces in a direction stress
The phenomenon that during deformation, the resistivity of material changes.Compared with metallic resistance strain gauge, it is big that it has sensitivity coefficient, and machinery is stagnant
Little with creep afterwards, frequency response is high a little, but sensitivity coefficient varies with temperature greatly.
Alternatively, above-mentioned friction coefficient sensor is arranged on the one or both sides of the money transmitting channel of bank note cashier's equipment.
Alternatively, above-mentioned bank note cashier equipment includes：Paper currency sorter.Alternatively, above-mentioned paste includes：Adhesive tape.
According to a further aspect in the invention, additionally provide a kind of detection method, as described in Figure 6, comprise the steps：
S602, uses the friction coefficient to note surface to be measured for the friction coefficient sensor to detect；
S604, makes the decision mechanism being connected with above-mentioned friction coefficient sensor according to friction coefficient testing result, sentences
Whether there is paste on the surface of disconnected above-mentioned bank note to be measured.
Alternatively, above-mentioned decision mechanism judges whether have stickup on the surface of above-mentioned bank note to be measured in the following manner
Thing：Receive the friction coefficient testing result that above-mentioned friction coefficient sensor detects；Obtain the friction of above-mentioned bank note to be measured
Force coefficient threshold value, above-mentioned friction coefficient threshold value is that the material of the translational speed according to bank note and bank note is set in advance；Judge
Whether above-mentioned friction coefficient testing result is beyond above-mentioned friction coefficient threshold value；If, it is determined that above-mentioned bank note to be measured
There is on surface paste.
As it is shown in fig. 7,1a and 1b is respectively the primary element of upper and lower two linear array formula friction coefficient sensor groups, 31
For bank note to be detected, 32a and 32b is respectively its in addition to primary element of upper and lower two linear array formula friction coefficient sensor groups
His component.May utilize multiple friction coefficient sensor units, form linear array formula friction coefficient sensor group, this sensing
Device group is placed on money transmitting channel side or the both sides of the financial such as cleaning-sorting machine, when bank note with a fixed speed through walking paper money
During passage, the primary element of the linear array arrangement with this linear array formula friction coefficient sensor group rubs, linearly
Array friction coefficient sensor group can collect the friction coefficient of relevant position on bank note, by the mobile speed of bank note
The material of degree and bank note presets the kinetic force of friction coefficient threshold of bank note, when posting adhesive tape on bank note, adhesive tape
The friction coefficient at place can be undergone mutation, and exceeds threshold range, thus machine may determine that and posts adhesive tape on bank note, by
Array arrangement in primary element, it may be determined that the particular location of adhesive tape and size shape size, can be by adjusting primary element
Density change the accuracy i.e. resolution ratio of detection.
In order to convenient carrying out detects, the guide of bank note can be increased, use two just to linear array
Formula friction coefficient sensor group forms a banknote path, and this passage both sides are provided with bank note guide, prevent bank note
There is card paper money phenomenon through paper feed passage.As shown in Figure 8,1a and 1b is respectively upper and lower two linear array formula friction coefficient biographies
The primary element of sensor group, 31 is bank note to be detected, 32a and 32b is respectively upper and lower two linear array formula friction coefficient sensings
Device group other components in addition to primary element, 33 is bank note guide.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not has in certain embodiment
The part describing in detail, may refer to the associated description of other embodiments.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a detection equipment, it is characterised in that include：
Friction coefficient sensor, for detecting to the friction coefficient of note surface to be measured；
Decision mechanism, is connected with described friction coefficient sensor, for according to friction coefficient testing result, it is judged that described treat
Survey and whether there is paste on the surface of bank note.
2. equipment according to claim 1, it is characterised in that described friction coefficient sensor includes：One or many
Individual, wherein, in the case of multiple, multiple described friction coefficient sensor linear array are arranged.
3. equipment according to claim 2, it is characterised in that each described friction coefficient sensor includes：
Primary element, is used for contacting with described bank note to be measured, and receives described bank note to be measured to described friction coefficient sensor
Active force；
Elastic sensing element, is connected with described primary element, is used for receiving the force signals of described primary element transmission, and root
Produce corresponding deformation according to the size and Orientation of the force signals receiving；
, for when described elastic sensing element produces deformation, there is resistance variations in strain ga(u)ge；
Compensate circuit and change-over circuit, calculate for the resistance variations occurring according to described strain ga(u)ge, draw described
The friction coefficient of note surface to be measured.
4. equipment according to claim 3, it is characterised in that
Described elastic sensing element includes：The elastic sensing unit of lateral force and the elastic sensing unit of vertical, respectively
For receiving lateral action force signal and the perpendicular acting force signal of the transmission of described primary element, and according to the lateral work receiving
Produce corresponding first deformation with the size and Orientation of force signal, and according to the size of the perpendicular acting force signal receiving and
Direction produces corresponding second deformation；
Described strain ga(u)ge includes：First strain ga(u)ge unit and the second strain ga(u)ge unit, wherein, described first electricity
For when described lateral force elastic sensing element produces the first deformation, there is resistance variations in resistance strain gauge unit, described
Second strain ga(u)ge unit, for when described vertical elastic sensing element produces the first deformation, occurs resistance to become
Change.
5. equipment according to claim 3, it is characterised in that described strain ga(u)ge includes：
Substrate；
Resistance sensitive grid, for the deformation on the described elastic sensing element surface according to described substrate transfer, produces corresponding shape
Become；
Face glue, is used for protecting described resistance sensitive grid；
Binding agent, for bonding together described resistance sensitive grid and described substrate；
Lead-out wire, is used for connecting measure traverse line.
6. equipment according to claim 1, it is characterised in that described friction coefficient sensor is arranged on bank note cashier and sets
The one or both sides of standby money transmitting channel.
7. equipment according to claim 6, it is characterised in that described bank note cashier's equipment includes：Paper currency sorter.
8. equipment according to any one of claim 1 to 7, it is characterised in that described paste includes：Adhesive tape.
9. a detection method, it is characterised in that include：
The friction coefficient to note surface to be measured for the friction coefficient sensor is used to detect；
Make the decision mechanism being connected with described friction coefficient sensor according to friction coefficient testing result, it is judged that described to be measured
Whether there is paste on the surface of bank note.
10. method according to claim 9, it is characterised in that described decision mechanism judge in the following manner described in treat
Survey and whether there is paste on the surface of bank note：
Receive the friction coefficient testing result that described friction coefficient sensor detects；
Obtain the friction coefficient threshold value of described bank note to be measured, described friction coefficient threshold value be translational speed according to bank note and
The material of bank note is set in advance；
Judge described friction coefficient testing result whether beyond described friction coefficient threshold value；
If, it is determined that on the surface of described bank note to be measured, there is paste.
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| CN201610781186.8A CN106442309B (en) | 2016-08-31 | 2016-08-31 | Detection device and method |
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| CN201610781186.8A CN106442309B (en) | 2016-08-31 | 2016-08-31 | Detection device and method |
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| CN106442309B CN106442309B (en) | 2023-10-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN106442309B (en) | 2023-10-24 |
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