CN201237791Y

CN201237791Y - Certification recognition instrument

Info

Publication number: CN201237791Y
Application number: CNU2008200955845U
Authority: CN
Inventors: 丁晓云; 戴保定; 张斧
Original assignee: SHENZHEN DINGSHI SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: SHENZHEN DINGSHI SCIENCE AND TECHNOLOGY Co Ltd
Priority date: 2008-07-21
Filing date: 2008-07-21
Publication date: 2009-05-13
Anticipated expiration: 2018-07-21

Abstract

The utility model discloses a certificate identification reader, which comprises a shell, a certificate carrier fixed on the shell, and two illuminant modules and an image module arranged inside the shell. The certificate carrier is provided with a certificate carrying area. The two illuminant modules are arranged on both sides of the certificate carrying area of the certificate carrier. Each illuminant module comprises an LED matrix array consisting of a plurality of LEDs, and the included angle of the LED matrix array ranges from 45 degrees to 85 degrees. As the illuminant modules of the certificate identification reader are arranged on both sides of the certificate carrying area of the certificate carrier, accordingly, the light emitted by the two illuminant modules illuminates the certificate uniformly; the included angle of the illuminant modules and the certificate carrier ranges from 45 degrees to 85 degrees, thus preventing illuminants from forming virtual images on the certificate carrier. Accordingly, the certificate identification reader can improve the imaging quality of certificates.

Description

Certificate recognition instrument

Affiliated technical field

The utility model relates to a kind of reading device of certificate, particularly relates to a kind of certificate recognition instrument of distinguishing certificate photographically.

Background technology

Along with the fast development of current social every profession and trade, certificates such as various types of I.D.s, certificate, bill also continue to bring out.Because in some occasion, as Internet bar, bank, hotel, entrance guard etc., need certificate be distinguished, therefore the application of the certificate recognition instrument that certificate is distinguished is more and more widely.

The recognition method of the instrument of certificate recognition at present mainly contains two kinds of optical identification and radio-frequency (RF) identification.Wherein, optical identification is at present widely used a kind of.Optical identification is to utilize the light source irradiation target to looking like and discerning after obtaining the imaging spectral characteristic information of target to picture and read.And utilize the optics recognition mode of the certificate recognition instrument of optical identification also can classify two kinds, and a kind of is to move and recognition mode that certificate is scanned relative to certificate by light source, another kind is the relative motionless formula of the taking pictures recognition with certificate of a light source mode.The image taking speed of formula recognition mode is fast owing to take pictures, thereby its Application Prospect is more wide, but because light source is relative with certificate motionless, the distance of light source and certificate is generally bigger, this makes light source can form the virtual image on the certificate carrier, thereby influence the image quality of certificate, and then influence the recognition of certificate.

The utility model content

The purpose of this utility model is to provide a kind of certificate recognition instrument that can improve the certificate image quality at the defective that the above-mentioned background technology exists.

For achieving the above object, the utility model provides a kind of certificate recognition instrument, light source module and imaging modules that this certificate recognition instrument comprises housing, is fixed on the certificate carrier on the housing and is positioned at housing, and the certificate carrier has the certificate bearing area.The quantity of described light source module is two, and this two light sources module is positioned at the both sides of the certificate bearing area of certificate carrier, and each light source module has the LED matrix array of being made up of a plurality of LED, and LED matrix array and certificate carrier are 45 °～85 ° angle.

Angle between described LED matrix array and the certificate carrier is 75 °.

Described LED matrix array is made up of a plurality of white light LEDs and a plurality of infrared light LED, wherein to select wavelength for use be the LED of 380nm～780nm to white light LEDs, it is the LED of 780nm～1100nm that infrared light LED selects wavelength for use, and white light LEDs and infrared light LED are crisscross arranged mutually.

This certificate recognition instrument also comprises a support, and this support is installed in the housing separably, and light source module and imaging modules all are fixed on the support.

Described imaging is touched group and is had an imaging lens and a plane mirror, and this imaging lens is fixed on the support, is pasted with a shock-absorbing double faced adhesive tape between this plane mirror and the support.

Described imaging is touched group and is had an imaging lens and a prism, and this imaging lens and prism all are fixed on the support.

Described housing has a storage case and and is fixed on case lid on the storage case, this case lid has a cover plate, offer a window on the cover plate, and the downward-sloping bending of the cephalolateral margin of this cover plate is extended with a hang plate, this certificate recognition instrument also comprises a radio frequency module, and the radio frequency module has a radio frequency reader and an antenna, and this radio frequency reader is fixed on the rear portion of housing, this antenna is fixed on the hang plate of case lid, and support is installed in the storage case separably.

Described housing has a storage case and and is fixed on case lid on the storage case, offer a window on this case lid, this certificate recognition instrument also comprises a radio frequency module, the radio frequency module has a radio frequency reader and an antenna, this radio frequency reader is fixed on the rear portion of housing, antenna is fixed on the case lid and the adjacent window setting, and support is installed in the storage case separably.

Described housing has the case lid and that a storage case, is fixed on the storage case and is articulated in renovating on the case lid separably, and support is installed in the storage case separably.

Described case lid has a cover plate, this cover plate is fixed on the storage case, and the posterior lateral margin of this cover plate is formed with a support plate, and the middle part of this support plate stretches out a projection, and the two ends of this projection vertically protrude out a pivot respectively, described renovating has a pressing plate, outwards stretch out at least two card bases on the pressing plate, each card base has the two card vertebras that keep at a certain distance away, and relative another card vertebra projection of at least one card vertebra has projection, pivot is inserted between the two card vertebras, and projection fastens on pivot.

Because two light source modules of the utility model certificate recognition instrument lay respectively at the both sides of the certificate bearing area of certificate carrier, so the light energy uniform irradiation certificate of two light source modules emission; And light source module and certificate carrier are 45 °～85 ° angles, and this can be avoided light source to form the virtual image on the certificate carrier, so the utility model certificate recognition instrument can improve the image quality of certificate.

Description of drawings

In Figure of description:

Fig. 1 is the three-dimensional combination figure of the utility model certificate recognition instrument.

Fig. 2 is the three-dimensional exploded view of certificate recognition instrument shown in Figure 1.

Fig. 3 is the stereographic map of renovating of certificate recognition instrument shown in Figure 1.

Fig. 4 is the right view of certificate recognition instrument shown in Figure 1.

Fig. 5 is the cut-open view of certificate recognition instrument shown in Figure 2 along the V-V line.

Fig. 6 is the cut-open view of certificate recognition instrument shown in Figure 2 along the VI-VI line.

Fig. 7 is the partial enlarged drawing of the VII part of certificate recognition instrument shown in Figure 6.

Embodiment

For describing technology contents of the present utility model, structural attitude, the purpose of being reached and effect in detail, described in detail below in conjunction with embodiment and conjunction with figs..

See also Fig. 1 and Fig. 2, the utility model certificate recognition instrument comprises that a housing 10, a support 20, certificate carrier 30 as one kind, two light source modules 40, imaging touch group 50 and one radio frequency module 60.

Housing 10 has a storage case 110, a case lid 120 and renovates 130.Storage case 110 has the base plate 111 of a rectangle, and four edge-perpendicular of base plate 111 extend upward side plate 112.Wherein, the height of the side plate 112 of front side is less than the height of left and right sides plate 112, and is connected with a sweptback beveled edge 113 between the front-end edge of left and right sides plate 112 and the last ora terminalis.

Case lid 120 has a cover plate 121.Offer a window 1211 on the cover plate 121, and the downward-sloping bending of the cephalolateral margin of this cover plate 121 is extended with a hang plate 122, after the bending downwards of the posterior lateral margin of this cover plate 121 more backward bending extend to form a support plate 123.The middle ends of this support plate 123 stretches out a projection 124, and the two ends of this projection 124 vertically protrude out a pivot 125 respectively to the left and right.Cover plate 121, hang plate 122 and support plate 123 are separately fixed on the respective side panels 112 of housing 10, and hang plate 122 cooperates with beveled edge 113 butts of left and right sides plate 112.

See also Fig. 2, Fig. 3 and Fig. 4, renovate 130 and have a pressing plate 131, projection has two card bases 132 on the pressing plate 131, and each card base 132 has the two card vertebras 133 that keep at a certain distance away, and 133 relative another card vertebra 133 projections of at least one card vertebra have projection 134.To renovate 130 when being journaled on the case lid 120, pivot 125 is inserted between the two card vertebras 133, and projection 134 fastens on pivot 125, thereby renovating 130 is articulated on the pivot 125 separably, thereby when to renovating 130 when applying excessive revolving force, renovating 130 can break away from from pivot 125, and this can be avoided renovating 130 damage.

See also Fig. 2 and Fig. 5, support 20 has the substrate 210 of a rectangle, and the cephalolateral margin of substrate 210 is extended with antetheca 220 vertically upward, and the left and right sides marginal lappet of this substrate 210 has directly extended upward sidewall 230.Two side 230 all extends upward a light source shelf 240, and is connected with a fixed mount 250 that tilts between this two side 230, and this fixed mount 250 also can be fixed on the substrate 210 certainly.Substrate 210 is fixed on the base plate 111 of storage case 110 separably, thereby support 20 is installed in the storage case 110 separably, therefore is convenient to the installation and the replacing of support 20.

See also Fig. 2, the certificate carrier 30 as one kind is a transparent armourplate glass, and it places window 1211 places of case lid 120 and is fixed on the cover plate 121, is used to carry certificate thereby the certificate carrier 30 as one kind is positioned at the zone of window 1211, and this zone definitions is the certificate bearing area.

See also Fig. 2, Fig. 5, Fig. 6 and Fig. 7, light source module 40 has the LED matrix array of being made up of a plurality of white light LEDs 41 and a plurality of infrared light LED 42, and white light LEDs 41 and infrared light LED42 are crisscross arranged mutually, wherein to select wavelength for use be the LED of 380nm～780nm to white light LEDs 41, and it is the LED of 780nm～1100nm that infrared light LED 42 selects wavelength for use.This two light sources module 40 is separately fixed on the corresponding light source shelf 240 of support 20 and is positioned at the both sides of the certificate bearing area of certificate carrier 30 as one kind, and the angle theta between LED matrix array and the certificate carrier 30 as one kind is 45 °～85 °, when the angle theta between LED matrix array and the certificate carrier 30 as one kind is 75 °, eliminate light source forms the virtual image on the certificate carrier 30 as one kind best results.In addition, because the LED matrix array is made up of a plurality of white light LEDs 41 and a plurality of infrared light LED 42, when not installing when renovating 130, certificate recognition instrument of the present utility model still can be distinguished by 42 pairs of certificates of infrared light LED, and what just certificate recognition of the present utility model this moment instrument obtained is the gray level image of certificate.

See also Fig. 2 and Fig. 6, imaging is touched group 50 and is had imaging lens 51 and light converter 52.Imaging lens 51 is fixed on the antetheca 220 of support 20.This optical path converter 52 can be plane mirror or prism, and in the present embodiment, optical path converter 52 is a plane mirror, and this plane mirror is fixed on the fixed mount 250 of support 20 by shock-absorbing double faced adhesive tape 53.

Radio frequency module 60 has a radio frequency reader 61 and an antenna 62.Radio frequency reader 61 is fixed on the rear portion of housing 10 and closes on the window 1211 of case lid 120, and in the present embodiment, radio frequency reader 61 is fixed on the side plate 112 of storage case 110 rear sides.Antenna 62 is fixed on the hang plate 122 of case lid 120, thereby when a radio-frequency card slipped over hang plate 122, radio frequency reader 61 can read the information of radio-frequency card stored.In addition, antenna 62 can be fixed near the window 1211 of housing 10, as on the cover plate 121 of fixing case lid 120 or be fixed on the side plate 112 of storage case 110 rear sides, thereby can read the radio-frequency card that is placed on the certificate carrier 30 as one kind.

When using the utility model certificate recognition instrument that certificate is carried out optics recognition, certificate is prevented putting on the certificate carrier 30 as one kind, a plurality of white light LEDs 41 of control light source module 40 and a plurality of infrared light LED 42 timesharing irradiation certificate, the part of a plurality of white light LEDs 41 and a plurality of infrared light LED 42 emission light is reflexed on the reflective mirror by certificate, reflective mirror with the image formation by rays of certificate reflection on imaging lens 51.When white light LEDs 41 irradiation certificates, imaging lens 51 imagings have the chromatic image of certificate; When infrared light LED 42 irradiation certificates, imaging lens 51 imagings have the gray scale image of certificate.

In sum, because two light source modules 40 of the utility model certificate recognition instrument are separately fixed on corresponding two light source shelfs 240 of support 20, therefore two light source modules, 40 emission light are even in the light intensity at certificate carrier 30 as one kind place; And light source module 40 is 45 °～85 ° angles with the certificate carrier 30 as one kind, and this can be avoided light source to form the virtual image on the certificate carrier 30 as one kind, so the utility model certificate recognition instrument can improve the image quality of certificate.

Claims

1. a certificate is distinguished instrument, the light source module (40) and the imaging modules (50) that comprise housing (10), be fixed on the certificate carrier (30) on the housing (10) and be positioned at housing (10), certificate carrier (30) has the certificate bearing area, it is characterized in that: the quantity of described light source module (40) is two, this two light sources module (40) is positioned at the both sides of the certificate bearing area of certificate carrier (30), and each light source module (40) has the LED matrix array of being made up of a plurality of LED, and LED matrix array and certificate carrier (30) are 45 °～85 ° angle.

2. certificate recognition instrument according to claim 1, it is characterized in that: the angle between described LED matrix array and the certificate carrier (30) is 75 °.

3. certificate recognition instrument according to claim 2, it is characterized in that: described LED matrix array is made up of a plurality of white light LEDs (41) and a plurality of infrared light LED (42), wherein to select wavelength for use be the LED of 380nm～780nm to white light LEDs (41), it is the LED of 780nm～1100nm that infrared light LED (42) selects wavelength for use, and white light LEDs (41) and infrared light LED (42) are crisscross arranged mutually.

4. certificate recognition instrument according to claim 1 is characterized in that: this certificate recognition instrument also comprises a support (20), and this support (20) is installed in the housing (10) separably, and light source module (40) and imaging modules (50) all are fixed on the support (20).

5. certificate recognition instrument according to claim 4, it is characterized in that: described imaging is touched group (50) and is had an imaging lens (51) and a plane mirror, this imaging lens (51) is fixed on the support (20), is pasted with a shock-absorbing double faced adhesive tape (53) between this plane mirror and the support (20).

6. certificate recognition instrument according to claim 4, it is characterized in that: described imaging is touched group (50) and is had an imaging lens (51) and a prism, and this imaging lens (51) and prism all are fixed on the support (20).

7. certificate recognition instrument according to claim 4, it is characterized in that: described housing (10) has a storage case (110) and and is fixed on case lid (120) on the storage case (110), this case lid (120) has a cover plate (121), offer a window (1211) on the cover plate (121), and the downward-sloping bending of cephalolateral margin of this cover plate (121) is extended with a hang plate (122), this certificate recognition instrument also comprises a radio frequency module (60), radio frequency module (60) has a radio frequency reader (61) and an antenna (62), this radio frequency reader (61) is fixed on the rear portion of housing (10), this antenna (62) is fixed on the hang plate (122) of case lid (120), and support (20) is installed in the storage case (110) separably.

8. certificate recognition instrument according to claim 4, it is characterized in that: described housing (10) has a storage case (110) and and is fixed on case lid (120) on the storage case (110), offer a window (1211) on this case lid (120), this certificate recognition instrument also comprises a radio frequency module (60), radio frequency module (60) has a radio frequency reader (61) and an antenna (62), this radio frequency reader (61) is fixed on the rear portion of housing (10), antenna (62) is fixed on case lid (120) and goes up also adjacent window (1211) setting, and support (20) is installed in the storage case (110) separably.

9. certificate recognition instrument according to claim 4, it is characterized in that: described housing (10) has a storage case (110), and is fixed on case lid (120) and on the storage case (110) and is articulated in renovate (130) on the case lid (120) separably, and support (20) is installed in the storage case (110) separably.

10. certificate recognition instrument according to claim 9, it is characterized in that: described case lid (120) has a cover plate (121), this cover plate (121) is fixed on the storage case (110), and the posterior lateral margin of this cover plate (121) is formed with a support plate (123), the middle part of this support plate (123) stretches out a projection (124), the two ends of this projection (124) vertically protrude out a pivot (125) respectively, described renovating (130) has a pressing plate (131), outwards stretch out at least two card bases (132) on the pressing plate (131), each card base (132) has the two card vertebras (133) that keep at a certain distance away, and at least one card vertebra (133) another card vertebra (133) projection relatively has projection (134), pivot (125) is inserted between the two card vertebras (133), and projection (134) fastens on pivot (125).