CN203825704U - Thin sheet detecting apparatus and image retrieving apparatus - Google Patents
Thin sheet detecting apparatus and image retrieving apparatus Download PDFInfo
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- CN203825704U CN203825704U CN201420253574.5U CN201420253574U CN203825704U CN 203825704 U CN203825704 U CN 203825704U CN 201420253574 U CN201420253574 U CN 201420253574U CN 203825704 U CN203825704 U CN 203825704U
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Abstract
The utility model provides a thin sheet detecting apparatus and an image retrieving apparatus. The thin sheet detecting apparatus comprises a thickness detecting sensor which further comprises a detection electrode part and electret electrode parts. The electret electrode parts, arranged at interval to each other, are above and parallel to the detection electrode part. A detection channel is arranged between the detection electrode part and the electret electrode parts; the first side of the detection channel is provided with an acquisition inlet end. An entrance guiding part is arranged in front of the acquisition inlet end and the guiding direction of the entrance guiding part inclines downwardly. As the entrance guiding part inclines downwardly, a to-be-detected object runs along one side of the detection electrode parts when it enters the detection channel after passing the entrance guiding part, which means the to-be-detected object will not rub the electret electrode parts; as a result, the electret electrode parts will not be abraded or damaged easily, therefore, prolonging the service lifetime of a thickness detecting sensor and ensuring a thin sheet detecting apparatus provides reliable working performance.
Description
Technical field
The utility model relates to financial checkout equipment technical field, more specifically, relates to a kind of thin slice pick-up unit and image read-out.
Background technology
At present, thickness detecting sensor can be applicable to detect banknote thickness.When following situation occurs paper bill: post foreign matter (particularly adhesive tape), damaged or overlapping, when the thickness of paper bill changes, thickness detecting sensor can detect the relevant information that banknote thickness changes.
Because detected bank note can fluctuate on carriage direction, therefore object to be detected electret electrode part easy and thickness detecting sensor produces friction, and cause the wearing and tearing of electret electrode part, thus shortened the serviceable life of thickness detecting sensor, improved testing cost.
Utility model content
The utility model aims to provide a kind of thin slice pick-up unit and image read-out, to solve the short problem in serviceable life that causes thickness detecting sensor due to object to be detected electret electrode part easy to wear in prior art.
For solving the problems of the technologies described above, according to an aspect of the present utility model, a kind of thin slice pick-up unit is provided, comprise: thickness detecting sensor, thickness detecting sensor comprises detecting electrode portion and electret electrode part, electret electrode part is disposed on the top of detecting electrode portion and be arranged in parallel with detecting electrode portion, between detecting electrode portion and electret electrode part, forms sense channel, and the first side of sense channel is for gathering inlet end; Import guidance part, import guidance part is arranged on the place ahead that gathers inlet end, and the guiding direction of import guidance part is tilted to down.
Further, detecting electrode portion is transparent.
Further, import guidance part comprises: the first propelling sheave; The second propelling sheave, the first propelling sheave and the second propelling sheave are set up in parallel and relatively rotate, and the outer peripheral edges butt of the outer peripheral edges of the first propelling sheave and the second propelling sheave also forms import guiding channel, and import guiding channel bit is in gathering on the bearing of trend of inlet end.
Further, the hardness of the outer peripheral edges of the first propelling sheave is lower than the hardness of the outer peripheral edges of the second propelling sheave.
Further, the first propelling sheave comprises: the first guide wheel body; The first guide layer, the first guide layer is arranged in the outer peripheral edges of the first guide wheel body; The second propelling sheave comprises: the second guide wheel body; The second guide layer, the second guide layer is arranged in the outer peripheral edges of the second guide wheel body, and the hardness of the first guide layer is lower than the hardness of the second guide layer.
Further, one end that is positioned at collection inlet end of detecting electrode portion has the first inlet guide inclined-plane, and the first inlet guide inclined-plane is towards sense channel setting.
Further, one end that is positioned at collection inlet end of electret electrode part has the second inlet guide inclined-plane, and the second inlet guide inclined-plane is towards sense channel setting.
Further, arrangement for guiding in the middle of thin slice pick-up unit also comprises, middle arrangement for guiding is between import guidance part and collection inlet end, and middle arrangement for guiding is positioned on the bearing of trend that gathers inlet end.
Further, middle arrangement for guiding comprises: horizontally disposed the first guide plate; The second guide plate, the second guide plate is disposed on the top of the first guide plate, and the distance between the second guide plate and the first guide plate reduces to the direction that gathers inlet end gradually along import guidance part, guiding channel in the middle of forming between the first guide plate and the second guide plate.
Further, the angle between the second guide plate and the first guide plate is greater than 2 degree.
Further, thin slice pick-up unit also comprises outlet guidance part, and outlet guidance part is arranged on the collection endpiece of thickness detecting sensor.
Further, outlet guidance part comprises: first derives wheel; Second derives wheel, first derives wheel is set up in parallel and relatively rotates with the second derivation wheel, the first outer peripheral edges and second that derive wheel derive the outer peripheral edges butt of wheel and form the first outlet guiding channel, and the first outlet guiding channel bit is in gathering on the bearing of trend of endpiece.
Further, outlet guidance part comprises: the 3rd guide plate; The 4th guide plate, the 4th guide plate is disposed on the top of the 3rd guide plate and be arranged in parallel with the 3rd guide plate, between the 3rd guide plate and the 4th guide plate, form the second outlet guiding channel, the second outlet guiding channel bit is in gathering on the bearing of trend of endpiece.
According to another aspect of the present utility model, a kind of image read-out is provided, comprise imageing sensor and thin slice pick-up unit, thickness detecting sensor is electrically connected to imageing sensor, and thin slice pick-up unit is above-mentioned thin slice pick-up unit.
Further, the detecting electrode portion of thickness detecting sensor is arranged in the image acquisition region of imageing sensor.
Further, the setting of aliging with the first side end of imageing sensor of the first side of detecting electrode portion, and the width of detecting electrode portion is less than or equal to the width of imageing sensor.
Further, the setting of aliging with the second side end of imageing sensor of the second side of detecting electrode portion, and the width of detecting electrode portion is less than or equal to the width of imageing sensor.
Further, image read-out also comprises transmissive portions, and transmissive portions is arranged on the top of the electret electrode part of thickness detecting sensor, and electret electrode part is transparent.
Thickness detecting sensor in the utility model comprises detecting electrode portion and electret electrode part, electret electrode part is disposed on the top of detecting electrode portion and be arranged in parallel with detecting electrode portion, between detecting electrode portion and electret electrode part, form sense channel, the first side of sense channel is for gathering inlet end, import guidance part is arranged on the place ahead that gathers inlet end, and the guiding direction of import guidance part is tilted to down.While using the thin slice pick-up unit in the utility model, object to be detected is first by import guidance part, so that the direction operation of object to be detected along the inlet end of import guidance part to endpiece, because the guiding direction of import guidance part is tilted to down, thereby can be along the one side operation of detecting electrode portion after the object to be detected of import guidance part enters in sense channel, thereby effectively avoid object to be detected and electret electrode part to rub, avoid the wearing and tearing of electret electrode part, and then the serviceable life that has extended thickness detecting sensor is short, guaranteed the functional reliability of thin slice pick-up unit.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the structural representation of image read-out in a preferred implementation in the utility model;
Fig. 2 has schematically shown the structural representation of image read-out in another preferred implementation in the utility model;
Fig. 3 has schematically shown the structural representation of image read-out in another preferred implementation in the utility model; And
Fig. 4 has schematically shown the structural representation of image read-out in another preferred implementation in the utility model.
Reference numeral in figure: 10, imageing sensor; 11, the first side of imageing sensor; 12, light source; 13, photographic department; 14, substrate; 15, light-passing board; 16, mounting box; 17, lens; 20, thickness detecting sensor; 21, gather inlet end; 22, detecting electrode portion; The first side of 22a, detecting electrode portion; 22b, detecting electrode substrate; 22c, detecting electrode; 23, electret electrode part; 23a, electret electrode base board; 23b, electret electrode; 24, sense channel; 30, import guidance part; 31, the first propelling sheave; 31a, the first guide wheel body; 31b, the first guide layer; 32, the second propelling sheave; 32a, the second guide wheel body; 32b, the second guide layer; 33, middle arrangement for guiding; 33a, the first guide plate; 33b, the second guide plate; 33c, middle guiding channel; 40, outlet guidance part; 41, first derive wheel; 42, second derive wheel; 43, the 5th guide plate; 50, gather endpiece; 60, transmissive portions; 70, testing circuit.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As first aspect of the present utility model, provide a kind of thin slice pick-up unit.As shown in Figures 1 to 4, thin slice pick-up unit comprises thickness detecting sensor 20 and import guidance part 30, thickness detecting sensor 20 comprises detecting electrode portion 22 and electret electrode part 23, electret electrode part 23 is disposed on the top of detecting electrode portion 22 and be arranged in parallel with detecting electrode portion 22, between detecting electrode portion 22 and electret electrode part 23, form sense channel 24, the first side of sense channel 24 is for gathering inlet end 21; Import guidance part 30 is arranged on the place ahead of the collection inlet end 21 of thickness detecting sensor 20, and the guiding direction of import guidance part 30 is tilted to down.While using the thin slice pick-up unit in the utility model, object to be detected is first by import guidance part 30, so that the direction operation of object to be detected along the inlet end of import guidance part 30 to endpiece, because the guiding direction of import guidance part 30 is tilted to down, thereby through the object to be detected of import guidance part 30, enter sense channel 24 can be along the 22 1 sides operations of detecting electrode portion after interior, thereby effectively avoid object to be detected and electret electrode part 23 to rub, avoid 23 wearing and tearing of electret electrode part, and then the serviceable life that has extended thickness detecting sensor is short, guaranteed the functional reliability of thin slice pick-up unit.
Preferably, the height between detecting electrode portion 22 and electret electrode part 23 can be adjusted as required, thereby makes the space of sense channel 24 have adjustability.
Thin slice pick-up unit in the utility model also comprises mounting casing, and thickness detecting sensor 20 and import guidance part 30 are all arranged on mounting casing.
Preferably, detecting electrode portion 22 is transparent.Because detecting electrode portion 22 is transparent, thereby when thickness detecting sensor 20 belows are provided with imageing sensor 10, can effectively avoid thickness detecting sensor 20 to block object to be detected, thereby guarantee the functional reliability of imageing sensor 10.
As shown in Figures 1 to 4, detecting electrode portion 22 comprises detecting electrode substrate 22b and detecting electrode 22c, it is upper and towards electret electrode part 23 1 sides that detecting electrode 22c is arranged on detecting electrode substrate 22b, and detecting electrode substrate 22b and detecting electrode 22c are all transparent.Further, electret electrode part 23 comprises electret electrode base board 23a and electret electrode 23b and towards detecting electrode portion 22 1 sides, electret electrode 23b is arranged on electret electrode base board 23a.For example, when object to be detected (posting foreign matter, damaged and overlapping bank note) is during by sense channel 24, because variation has occurred the medium between detecting electrode portion 22 and electret electrode part 23, thereby the upper induced charge of detecting electrode 22c is changed, the variable quantity of electric charge is relevant with the variation in thickness size of object to be detected, thereby whether the variation in thickness situation that reflects object to be detected, be stained with foreign matter, the information such as overlapping, damaged.
In a not shown embodiment, import guidance part 30 can be the 6th guide plate that is tilted to lower setting, and the upper surface of the 6th guide plate forms import guiding channel.
Import guidance part 30 in the utility model comprises the first propelling sheave 31 and the second propelling sheave 32, the first propelling sheave 31 and the second propelling sheave 32 are set up in parallel and relatively rotate, the outer peripheral edges butt of the outer peripheral edges of the first propelling sheave 31 and the second propelling sheave 32 also forms import guiding channel, and import guiding channel bit is on the bearing of trend that gathers inlet end 21 (please refer to Fig. 1 to Fig. 4).In a not shown embodiment, between the line of centres of the first propelling sheave 31 and the second propelling sheave 32 and vertical direction, there is angle.Owing to thering is angle between the line of centres of the first propelling sheave 31 and the second propelling sheave 32 and vertical direction, thereby make the guiding direction of import guiding channel be tilted to lower setting.
Preferably, the hardness of the outer peripheral edges of the first propelling sheave 31 is lower than the hardness of the outer peripheral edges of the second propelling sheave 32.Due to the hardness of the outer peripheral edges of the first propelling sheave 31 hardness lower than the outer peripheral edges of the second propelling sheave 32, thereby when object to be detected moves to the endpiece of import guiding channel, the first propelling sheave 31 is compared more late disengaging object to be detected with the second propelling sheave 32, thereby while making object to be detected outlet, be subject to all the time a downforce, make object to be detected enter sense channel 24 and can press close to 22 1 lateral movements of detecting electrode portion after interior, simultaneously away from electret electrode part 23.
Preferably, the first propelling sheave 31 and the second propelling sheave 32 are by gear drive, and drive unit can drive the first propelling sheave 31 and the second propelling sheave 32 to rotate simultaneously.
As shown in Figures 1 to 4, the first propelling sheave 31 comprises the first guide wheel body 31a and the first guide layer 31b, and the first guide layer 31b is arranged in the outer peripheral edges of the first guide wheel body 31a; The second propelling sheave 32 comprises the second guide wheel body 32a and the second guide layer 32b, and the second guide layer 32b is arranged in the outer peripheral edges of the second guide wheel body 32a, and the hardness of the first guide layer 31b is lower than the hardness of the second guide layer 32b.Preferably, the first guide layer 31b can adopt elastomeric material, and the first corresponding guide layer 31b can select hardness higher than the material of the first guide layer 31b, such as duroplasts or metal material etc.
As shown in Figure 4, one end that is positioned at collection inlet end 21 of detecting electrode portion 22 has the first inlet guide inclined-plane, and the first inlet guide inclined-plane arranges towards sense channel 24.Owing to being provided with the first inlet guide inclined-plane in detecting electrode portion 22, thereby guarantee that object to be detected can enter in sense channel 24 by middle arrangement for guiding 33 smoothly from departing from the import guiding channel of import guidance part 30, thereby improved the dependability of thin slice pick-up unit.Preferably, the first inlet guide inclined-plane is positioned on the detecting electrode substrate 22b of detecting electrode portion 22.
As shown in Figure 4, one end that is positioned at collection inlet end 21 of electret electrode part 23 has the second inlet guide inclined-plane, and the second inlet guide inclined-plane arranges towards sense channel 24.Owing to being provided with the second inlet guide inclined-plane on electret electrode part 23, thereby guarantee that object to be detected can enter in sense channel 24 by middle arrangement for guiding 33 smoothly from departing from the import guiding channel of import guidance part 30, thereby improved the dependability of thin slice pick-up unit.Preferably, the second inlet guide inclined-plane is positioned on the polar body electrode base board 23a of electret electrode part 23.Owing to being provided with guiding surface on detecting electrode portion 22 and electret electrode part 23, thereby make the first side of sense channel 24 there is larger import, thereby improved the reliability that object to be detected enters sense channel 24 smoothly.
Preferably, arrangement for guiding 33 in the middle of thin slice pick-up unit also comprises, middle arrangement for guiding 33 is between import guidance part 30 and collection inlet end 21, and middle arrangement for guiding 33 is positioned on the bearing of trend that gathers inlet end 21.Because middle arrangement for guiding 33 is between import guidance part 30 and collection inlet end 21, thereby guarantee that object to be detected can enter in sense channel 24 by middle arrangement for guiding 33 smoothly from departing from the import guiding channel of import guidance part 30, thereby improved the dependability of thin slice pick-up unit.
As shown in Figure 1 to Figure 3, middle arrangement for guiding 33 comprises the second guide plate 33b, horizontally disposed the first guide plate 33a, the second guide plate 33b is disposed on the top of the first guide plate 33a, and the distance between the second guide plate 33b and the first guide plate 33a reduces to the direction that gathers inlet end 21 gradually along import guidance part 30, guiding channel 33c in the middle of forming between the first guide plate 33a and the second guide plate 33b.Because the distance between the second guide plate 33b and the first guide plate 33a reduces to the direction that gathers inlet end 21 gradually along import guiding channel, thereby middle guiding channel 33c presents the feature that entrance large outlet is little, thereby effectively guarantee that object to be detected presses close to the first guide plate 33a mono-lateral movement, and the second guide plate 33b can be used in the situation of beating that weakens object to be detected, thereby guaranteed the guiding reliability of middle arrangement for guiding 33.Preferably, the angle between the second guide plate 33b and the first guide plate 33a is greater than 2 degree.
Preferably, the first guide plate 33a's is highly concordant towards second surface of guide plate 33b mono-side and the surface towards electret electrode part 23 1 sides of detecting electrode portion 22 (upper surface of detecting electrode 22c).Highly concordant towards second surface of guide plate 33b mono-side and the surface towards electret electrode part 23 1 sides of detecting electrode portion 22 (upper surface of detecting electrode 22c) due to the first guide plate 33a, thereby object to be detected directly enters in sense channel 24 after by middle guiding channel 33c and can not have height fall, thereby effectively avoid object to be detected bending, lose, the problem such as stuck, and then guaranteed the functional reliability of thin slice pick-up unit.
Preferably, the distance between middle arrangement for guiding 33 and the collection inlet end 21 of thickness detecting sensor 20 is less than 5 millimeters.Because the distance between middle arrangement for guiding 33 and the collection inlet end 21 of thickness detecting sensor 20 is less than 5 millimeters, thereby the object to be detected of being exported by the endpiece of middle arrangement for guiding 33 is directly entered in the sense channel 24 of thickness detecting sensor 20, make the operation of object to be detected there is continuity, and can effectively avoid object to be detected bob, thereby effectively avoid object to be detected and 23 frictions of electret electrode part and wear and tear, and then having extended the serviceable life of thickness detecting sensor 20.
Thin slice pick-up unit in the utility model also comprises outlet guidance part 40, and outlet guidance part 40 is arranged on the collection endpiece 50 (please refer to Fig. 1 to Fig. 4) of thickness detecting sensor 20.Because the collection endpiece 50 at thickness detecting sensor 20 is provided with outlet guidance part 40, thereby the object to be detected after having guaranteed to have detected can derive smoothly in thin slice pick-up unit, thereby improved the dependability of thin slice pick-up unit.
Preferably, the distance between outlet guidance part 40 and collection endpiece 50 is less than 5 millimeters.Because the distance between outlet guidance part 40 and collection endpiece 50 is less than 5 millimeters, thereby make can directly by outlet guidance part 40, be exported by the object to be detected that gathers endpiece 50 outputs, and can effectively avoid object to be detected bob, thereby effectively avoid object to be detected and 23 frictions of electret electrode part and wear and tear, and then having improved the dependability of thin slice pick-up unit.
As shown in Figures 1 to 4, outlet guidance part 40 comprises first derivation wheel the 41 and second derivation wheel 42, first derives wheel the 41 and second derivation wheel 42 is set up in parallel and relatively rotates, the first outer peripheral edges and second that derive wheel 41 derive the outer peripheral edges butt of wheel 42 and form the first outlet guiding channel, and the first outlet guiding channel bit is in gathering on the bearing of trend of endpiece 50.By object to be detected, by gathering endpiece 50, entered in the first outlet guiding channel, and in deriving the motion process of taking turns 42, the first derivation wheel 41 and second is exported, make the outbound course of object to be detected there is consistance, guarantee the output reliability of object to be detected, thereby improved the functional reliability of thin slice pick-up unit.
Outlet guidance part 40 in the utility model comprises the 3rd guide plate and the 4th guide plate, the 4th guide plate is disposed on the top of the 3rd guide plate and be arranged in parallel with the 3rd guide plate, between the 3rd guide plate and the 4th guide plate, form the second outlet guiding channel, the second outlet guiding channel bit is in gathering on the bearing of trend of endpiece 50.Owing to being provided with the second outlet guiding channel between collection endpiece 50 and the first outlet guiding channel, thereby improve the motion credibility of object to be detected, thereby improved the functional reliability of thin slice pick-up unit.Preferably, the 3rd guide plate is highly concordant towards the 4th surface of guide plate one side and the surface towards electret electrode part 23 1 sides of detecting electrode portion 22 (upper surface of detecting electrode 22c).Highly concordant towards the 4th surface of guide plate one side and the surface towards electret electrode part 23 1 sides of detecting electrode portion 22 (upper surface of detecting electrode 22c) due to the 3rd guide plate, thereby can there is not height fall by rear directly the entering in the second outlet guiding channel of sense channel 24 in object to be detected, thereby effectively avoid object to be detected bending, lose, the problem such as stuck, and then guaranteed the functional reliability of thin slice pick-up unit.
As shown in Figures 1 to 4, outlet guidance part 40 also comprises that the 5th guide plate 43, the five guide plates 43 are arranged on the bearing of trend of the first outlet guiding channel.Owing to being provided with the 5th guide plate 43, thereby can be smoothly by deriving in the first outlet guiding channel under the support of the 5th guide plate 43 by the object to be detected of exporting in the first outlet guiding channel, thereby have guaranteed the functional reliability of thin slice pick-up unit.
As second aspect of the present utility model, provide a kind of image read-out.As shown in Figures 1 to 4, image read-out comprises imageing sensor 10 and thin slice pick-up unit, and thickness detecting sensor 20 is electrically connected to imageing sensor 10, and thin slice pick-up unit is above-mentioned thin slice pick-up unit.Preferably, imageing sensor 10 is positioned at mounting casing.Because thickness detecting sensor 20 is electrically connected to imageing sensor 10, thereby the image read-out in the utility model can also gather the image information of object to be detected when obtaining the thickness information of object to be detected, thereby improved the dependability of image read-out.
The detecting electrode portion 22 of the thickness detecting sensor 20 in the utility model is arranged in the image acquisition region of imageing sensor 10.Because thickness detecting sensor 20 is arranged in the image acquisition region of imageing sensor 10, thereby object to be detected is when the thickness detecting sensor 20, namely passed through the image acquisition region of imageing sensor 10, thereby make image read-out can read image information and the thickness information of object to be detected simultaneously, improved the functional reliability of image read-out.
Preferably, imageing sensor 10 is contact-type image sensor.
As shown in Figures 1 to 4, image read-out also comprises testing circuit 70, and imageing sensor 10 is electrically connected to thickness detecting sensor 20 by testing circuit 70.Imageing sensor 10 comprises light source 12, photographic department 13 (for example: opto-electronic conversion chip, photosensitive IC), substrate 14, light-passing board 15, mounting box 16 and lens 17, light-passing board 15 is arranged on the upper end of mounting box 16, substrate 14 is arranged on the lower end of mounting box 16, photographic department 13 is arranged on substrate 14, light source 12 is arranged on mounting box 16 inside, and lens 17 are arranged in the reflected light path of light source 12, photographic department 13 setting corresponding to lens 17.Preferably, light source 12 is two, and two light sources are separately positioned on the both sides of lens 17.Certainly, imageing sensor 10 can be selected single light source structure or multiple light courcess structure.
Preferably, the light-passing board 15 of detecting electrode substrate 22b and imageing sensor 10 is same plates.
Preferably, the material of electret electrode base board 23a can be glass, printed circuit board (PCB), sheet metal or ceramic wafer etc.Because the imageing sensor 10 below detecting electrode substrate 22b will carry out image scanning to object to be detected, in order not affect the light path of imageing sensor 10, the upper detecting electrode 22c arranging of detecting electrode substrate 22b is used transparent ITO conducting film to make, detecting electrode substrate 22b is used transparent material to make, and can use the materials such as glass or plastic cover plate.
As shown in Figures 1 to 4, the first side 11 end part aligning settings of the first side 22a of detecting electrode portion 22 and imageing sensor 10, and the width of detecting electrode portion 22 is less than or equal to the width of imageing sensor 10.The first side 11 end part aligning settings due to the first side 22a and the imageing sensor 10 of detecting electrode portion 22, thereby when object to be detected passes through sense channel 24, imageing sensor 10 and thickness detecting sensor 20 read the relevant information of object to be detected simultaneously, thereby make the image information of object to be detected and thickness information have the advantages that matching is high, save detection time simultaneously, improved detection efficiency, and then improved the dependability of image read-out.Certainly, the second side of detecting electrode portion 22 (side being oppositely arranged with the first side 22a of detecting electrode portion 22) can with the second side of imageing sensor 10 (side being oppositely arranged with the first side 11 of imageing sensor 10) end part aligning setting.
As shown in Figure 3, due to the width of detecting electrode portion 22 width much smaller than imageing sensor 10, thereby detecting electrode substrate 22b and the light-passing board 15 of imageing sensor 10 can be that same plate can be also different substrate.Similarly, detecting electrode 22c can be opaque electrode or transparency electrode.
As shown in Figure 2, image read-out also comprises transmissive portions 60, and transmissive portions 60 is arranged on the top of electret electrode part 23, and electret electrode part 23 is transparent, the electret electrode base board 23a of the light-passing board used thickness detecting sensor 20 of transmissive portions 60.Because imageing sensor 10 will receive the image that sees through light of transmissive portions 60, so electret electrode base board 23a uses transparent material to make, and can use the materials such as glass or plastic cover plate.
During image read-out work, object to be detected passes through first by import guiding channel, so that object to be detected is more pressed close to the first guide plate 33a and detecting electrode portion 22 1 sides, by middle guiding channel 33c, enter in sense channel 24, so that object to be detected is detected by imageing sensor 10 and thickness detecting sensor 20, when the thickness of object to be detected changes, can make the induced charge on detecting electrode 22c change, the variable quantity of induced charge is relevant with the variation size of detected material body thickness, the signal of detecting electrode 22c output obtains the thickness change information of object to be detected after the processing of testing circuit 70 and subsequent conditioning circuit, simultaneously, the light source 12 of imageing sensor 10 is luminous, light beam is irradiated on the object to be detected in sense channel 24 by light-passing board 15, after being reflected by object to be detected, through light-passing board 15, by lens 17, collected again, be irradiated on the photographic department 13 on substrate 14, photographic department 13 converts the light signal receiving to electric signal, after the analyzing and processing of subsequent conditioning circuit, obtain the image information of object to be detected, by successive image treating apparatus and display device, the thickness change information of object to be detected and image information are combined, finally obtain the details such as the position of object to be detected variation in thickness and characteristics of image, object to be detected after having surveyed is transported output by the second outlet guiding channel, the first outlet guiding channel successively.
That image read-out in the utility model also has is rational in infrastructure, easy and simple to handle, volume is little, be easy to carry, the feature such as production cost is low, applied range (can be widely used in finance device field).
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (18)
1. a thin slice pick-up unit, is characterized in that, comprising:
Thickness detecting sensor (20), described thickness detecting sensor (20) comprises detecting electrode portion (22) and electret electrode part (23), described electret electrode part (23) is disposed on the top of described detecting electrode portion (22) and be arranged in parallel with described detecting electrode portion (22), between described detecting electrode portion (22) and described electret electrode part (23), form sense channel (24), the first side of described sense channel (24) is for gathering inlet end (21);
Import guidance part (30), described import guidance part (30) is arranged on the place ahead of described collection inlet end (21), and the guiding direction of described import guidance part (30) is tilted to down.
2. thin slice pick-up unit according to claim 1, is characterized in that, described detecting electrode portion (22) is transparent.
3. thin slice pick-up unit according to claim 1 and 2, is characterized in that, described import guidance part (30) comprising:
The first propelling sheave (31);
The second propelling sheave (32), described the first propelling sheave (31) is set up in parallel and relatively rotates with described the second propelling sheave (32), the outer peripheral edges butt of the outer peripheral edges of described the first propelling sheave (31) and described the second propelling sheave (32) also forms import guiding channel, and described import guiding channel bit is on the bearing of trend of described collection inlet end (21).
4. thin slice pick-up unit according to claim 3, is characterized in that, the hardness of the outer peripheral edges of described the first propelling sheave (31) is lower than the hardness of the outer peripheral edges of described the second propelling sheave (32).
5. thin slice pick-up unit according to claim 3, is characterized in that,
Described the first propelling sheave (31) comprising:
The first guide wheel body (31a);
The first guide layer (31b), described the first guide layer (31b) is arranged in the outer peripheral edges of described the first guide wheel body (31a);
Described the second propelling sheave (32) comprising:
The second guide wheel body (32a);
The second guide layer (32b), described the second guide layer (32b) is arranged in the outer peripheral edges of described the second guide wheel body (32a), and the hardness of the first guide layer (31b) is lower than the hardness of described the second guide layer (32b).
6. thin slice pick-up unit according to claim 1, it is characterized in that, one end that is positioned at described collection inlet end (21) of described detecting electrode portion (22) has the first inlet guide inclined-plane, and described the first inlet guide inclined-plane arranges towards described sense channel (24).
7. according to the thin slice pick-up unit described in claim 1 or 6, it is characterized in that, one end that is positioned at described collection inlet end (21) of described electret electrode part (23) has the second inlet guide inclined-plane, and described the second inlet guide inclined-plane arranges towards described sense channel (24).
8. thin slice pick-up unit according to claim 1, it is characterized in that, arrangement for guiding (33) in the middle of described thin slice pick-up unit also comprises, in the middle of described, arrangement for guiding (33) is positioned between described import guidance part (30) and described collection inlet end (21), and in the middle of described, arrangement for guiding (33) is positioned on the bearing of trend of described collection inlet end (21).
9. thin slice pick-up unit according to claim 8, is characterized in that, described middle arrangement for guiding (33) comprising:
Horizontally disposed the first guide plate (33a);
The second guide plate (33b), described the second guide plate (33b) is disposed on the top of described the first guide plate (33a), and the direction of the distance between described the second guide plate (33b) and described the first guide plate (33a) along described import guidance part (30) to described collection inlet end (21) reduces gradually, guiding channel (33c) in the middle of forming between described the first guide plate (33a) and described the second guide plate (33b).
10. thin slice pick-up unit according to claim 9, is characterized in that, the angle between described the second guide plate (33b) and described the first guide plate (33a) is greater than 2 degree.
11. thin slice pick-up units according to claim 1, it is characterized in that, described thin slice pick-up unit also comprises outlet guidance part (40), and described outlet guidance part (40) is arranged on the collection endpiece (50) of described thickness detecting sensor (20).
12. thin slice pick-up units according to claim 11, is characterized in that, described outlet guidance part (40) comprising:
First derives wheel (41);
Second derives wheel (42), described first derives wheel (41) is set up in parallel and relatively rotates with described the second derivation wheel (42), the described first outer peripheral edges and described second that derive wheel (41) derive the outer peripheral edges butt of wheel (42) and form the first outlet guiding channel, and described the first outlet guiding channel bit is on the bearing of trend of described collection endpiece (50).
13. thin slice pick-up units according to claim 12, is characterized in that, described outlet guidance part (40) comprising:
The 3rd guide plate;
The 4th guide plate, described the 4th guide plate is disposed on the top of described the 3rd guide plate and be arranged in parallel with described the 3rd guide plate, between described the 3rd guide plate and described the 4th guide plate, form the second outlet guiding channel, described the second outlet guiding channel bit is on the bearing of trend of described collection endpiece (50).
14. 1 kinds of image read-outs, comprise imageing sensor (10) and thin slice pick-up unit, described thickness detecting sensor (20) is electrically connected to described imageing sensor (10), it is characterized in that, described thin slice pick-up unit is the thin slice pick-up unit described in any one in claim 1 to 13.
15. image read-outs according to claim 14, is characterized in that, the detecting electrode portion (22) of described thickness detecting sensor (20) is arranged in the image acquisition region of described imageing sensor (10).
16. image read-outs according to claim 15, it is characterized in that, the first side (11) end part aligning setting of first side (22a) of described detecting electrode portion (22) and described imageing sensor (10), and the width of described detecting electrode portion (22) is less than or equal to the width of described imageing sensor (10).
17. image read-outs according to claim 15, it is characterized in that, the setting of aliging with the second side end of described imageing sensor (10) of the second side of described detecting electrode portion (22), and the width of described detecting electrode portion (22) is less than or equal to the width of described imageing sensor (10).
18. image read-outs according to claim 14, it is characterized in that, described image read-out also comprises transmissive portions (60), described transmissive portions (60) is arranged on the top of the electret electrode part (23) of described thickness detecting sensor (20), and described electret electrode part (23) is transparent.
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CN201420253574.5U CN203825704U (en) | 2014-05-16 | 2014-05-16 | Thin sheet detecting apparatus and image retrieving apparatus |
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CN201420253574.5U CN203825704U (en) | 2014-05-16 | 2014-05-16 | Thin sheet detecting apparatus and image retrieving apparatus |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103996238A (en) * | 2014-05-16 | 2014-08-20 | 威海华菱光电股份有限公司 | Sheet detection device and image reading device |
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2014
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103996238A (en) * | 2014-05-16 | 2014-08-20 | 威海华菱光电股份有限公司 | Sheet detection device and image reading device |
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