CN201616104U - Image and bar-code recognizing module and application device thereof - Google Patents
Image and bar-code recognizing module and application device thereof Download PDFInfo
- Publication number
- CN201616104U CN201616104U CN2009202131666U CN200920213166U CN201616104U CN 201616104 U CN201616104 U CN 201616104U CN 2009202131666 U CN2009202131666 U CN 2009202131666U CN 200920213166 U CN200920213166 U CN 200920213166U CN 201616104 U CN201616104 U CN 201616104U
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- circuit board
- image
- bar code
- code reading
- module
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Abstract
The utility model discloses an image and bar-code recognizing module and an application device thereof. The image and bar-code recognizing module comprises a shell, a main circuit board and an image and bar-code recognizing module installed on the main circuit board. The image and bar-code recognizing module comprises an outer bracket, a scanning module, a lens located at the front end of the scanning module, an illuminating lamp and a first circuit board. The scanning module, the lens and the illuminating lamp are all located in the outer bracket, and the illuminating lamp is electrically connected with the first circuit board; the outer bracket comprises a bottom wall and a lens tube integrated extending from the bottom wall; the lens tube upwards stretches out of the bottom wall; the lens is installed in the lens tube. The lens tube is integrated with the outer bracket to effectively reduce numbers of structural parts for supporting; meanwhile, the lens plays a key role in collecting image and bar-code, therefore, the design can ensure the relative positions of the lens and the outer bracket are not changed, thereby increasing installation precision of the lens.
Description
[technical field]
The utility model relates to a kind of optical reading module and application apparatus thereof, especially a kind of image and bar code reading module and application apparatus thereof.
[background technology]
Image and bar code reading application apparatus, for example scanner has been widely used in places such as supermarket and library, greatly facilitates people's life.The prior art relevant with the utility model please refer to No. the 7th, 270,274, the United States Patent (USP) of on September 18th, 2007 bulletin.This patent has disclosed a kind of optical reading module, and it comprises the image acquisition module and is installed on decoding module on the image acquisition module.Described image acquisition module comprises support, be installed on lens drum on the support, be installed on the camera lens in the lens drum and be fixed in baffle plate and signal processing circuit on the support respectively from the rear and front end.Be provided with the structure of mutual buckle between lens drum and the support.As everyone knows, camera lens plays a crucial factor to the collection of image and bar code.The lens drum of this design exists with support and cooperates the factors of instability, is difficult to guarantee that the relative position of camera lens and support arm is constant, thereby has reduced the installation accuracy of camera lens.
[utility model content]
At above problem, the purpose of this utility model is to provide the higher image of a kind of camera lens installation accuracy and bar code reading module and application apparatus thereof.
To achieve these goals, the utility model adopts following technical scheme: a kind of image and bar code reading module, comprise support arm, scanning module, be positioned at lens, illuminating lamp and the first circuit board of scanning module front end, described scanning module, lens and illuminating lamp all are positioned at support arm, and illuminating lamp and first circuit board electrically connect, described support arm comprises diapire and the lens drum that extends from the diapire one, and described lens drum projects upwards diapire, and described lens are installed in the lens drum.
As further improvement of the utility model, described support arm is a U-shaped, described support arm comprises upwardly extending first, second sidewall from the diapire both sides, described diapire and first, second sidewall are wholely set, described diapire and first, second sidewall form upwards open receiving space, and described lens drum, scanning module, lens and illuminating lamp all are positioned at this receiving space; Described image and bar code reading module also are provided with top that is installed on first, second sidewall and the second circuit board that covers this receiving space, and decoding device and described first, second circuit board electric connection are installed on the described second circuit board.
As further improvement of the utility model, described second circuit board contacts with the top of first, second sidewall, described the first side wall comprises pars intermedia and is positioned at first thickening part on pars intermedia top that described first thickening part is more extended with respect to pars intermedia in receiving space.
As further improvement of the utility model, described first thickening part is provided with at least one mounting hole, described second circuit board is provided with the through hole that aligns with mounting hole, and described image and bar code reading module are provided with passes through hole and mounting hole second circuit board is fixed in the retaining element on first thickening part.
As further improvement of the utility model, described image and bar code reading module comprise in order to the fixing connecting portion of first circuit board and second circuit board, described connecting portion comprises and is fixed in the first on the first circuit board and is fixed in second portion on the second circuit board that described first is perpendicular to second portion.
As further improvement of the utility model, described image and bar code reading module comprise the supporter that is positioned at receiving space and are socketed on power supply tabula rasa on the supporter that described supporter is held on the diapire of support arm; Described power supply tabula rasa comprises board body part and the installation foot that electrically connects with illuminating lamp, and described illuminating lamp is the projecting plate body forward, and described installation foot passes supporter to be welded on the first circuit board.
As further improvement of the utility model, described image and bar code reading module comprise the baffle plate that is positioned at illuminating lamp the place ahead, the setting of being separated by of described baffle plate and first circuit board, and described baffle plate and first circuit board are individually fixed in the forward and backward two ends of support arm, and described baffle plate is provided with the perforation corresponding with illuminating lamp.
As further improvement of the utility model, described baffle plate is provided with the upper surface, and second circuit board does not exceed the upper surface of baffle plate.
The utility model can also adopt following technical scheme: a kind of image and bar code reading module application apparatus comprise shell, are positioned at the main circuit board of shell and are installed on image and bar code reading module and power module on the main circuit board; Described power module is in order to power to image and bar code reading module; Described image and bar code reading module comprise support arm, scanning module, are positioned at the lens of scanning module front end, illuminating lamp and first circuit board, described scanning module, lens and illuminating lamp all are positioned at support arm, and illuminating lamp and first circuit board electrically connect, described support arm comprises diapire and the lens drum that extends from the diapire one, described lens drum projects upwards diapire, and described lens are installed in the lens drum.
As further improvement of the utility model, described image and bar code reading module application apparatus also comprise with main circuit board and carry out Ethernet remote power feeding module, usb hub module and the bluetooth module that communication is connected.
The beneficial effects of the utility model are: lens drum and the design of support arm one can effectively be reduced the quantity that is used for passive structural member; Simultaneously, can guarantee that the relative position of camera lens and support arm is constant, thereby can improve the installation accuracy of camera lens.
[description of drawings]
Fig. 1 is the three-dimensional combination figure of the utility model image and bar code reading module.
Fig. 2 is the three-dimensional exploded view of image shown in Figure 1 and bar code reading module, and wherein, the decoding device of installing on the second circuit board does not show.
Fig. 3 is the front view of image shown in Figure 1 and bar code reading module.
Fig. 4 is the rear view of image shown in Figure 1 and bar code reading module.
Fig. 5 is the vertical view of image shown in Figure 1 and bar code reading module.
Fig. 6 is the right view of image shown in Figure 1 and bar code reading module.
Fig. 7 is the utility model image and the three-dimensional exploded view of bar code reading module in second embodiment.
Fig. 8 is the three-dimensional combination figure of the utility model image and bar code reading module application apparatus.
Fig. 9 is the constitutional diagram of the first of image shown in Figure 8 and bar code reading module application apparatus.
Figure 10 is the constitutional diagram of the second portion of image shown in Figure 8 and bar code reading module application apparatus.
Figure 11 is the schematic diagram of main circuit board in the utility model image and the bar code reading module application apparatus.
[embodiment]
Fig. 1 and Fig. 8 to Figure 10 have disclosed a kind of image and bar code reading module 100 and application apparatus 200 thereof, and wherein, described image and bar code reading module 100 are one of them important element of image and bar code reading module application apparatus 200.
Please join Fig. 1 to shown in Figure 6, the utility model image and bar code reading module 100 comprise U-shaped support arm 1, power supply lamp plate 2, supporter 3, scanning module 4, camera lens 5, first circuit board 6, with first circuit board 6 be separated by baffle plate 7 that is provided with and the second circuit board 8 that is installed on support arm 1 top.Described first circuit board 6 is CMOS (complementary metal oxide semiconductor (CMOS)) circuit board.
Described support arm 1 comprises the diapire 11 of level and first, second sidewall 12,13 that upwards vertically extends from diapire 11 both sides.The height that described first, second sidewall 12,13 extends is identical, the top 15 of first, second sidewall 12,13 is positioned on the same surface level, and then is convenient to install stably second circuit board 8 (being detailed later).Form upwards open receiving space 14 between described first, second sidewall 12,13, described power supply lamp plate 2, supporter 3, scanning module 4 and camera lens 5 are positioned at the receiving space 14 of support arm 1.Need to prove at this: " being positioned at " described in the utility model only is intended to show the position relation between the element, do not relate to the matching relationship between the element.Described the first side wall 12 comprises pars intermedia 120, be positioned at first thickening part 121 on pars intermedia 120 tops and be positioned at second thickening part 122 of pars intermedia 120 bottoms.More extend in receiving space 14 with respect to pars intermedia 120 described first, second thickening part 121,122.Described first, second thickening part 121, the 122 so purpose of design is convenient some first, second mounting holes 123,124 (joining shown in Figure 2) that are arranged with thereon.Described first mounting hole 123 is to form downwards from the top 15 of first, second sidewall 12,13; Described second mounting hole 124 is formed at the forward and backward two ends of first, second sidewall 12,13.
In the embodiment that the utility model discloses, described support arm 1 is the single type structure, and promptly diapire 11 and first, second sidewall 12,13 are wholely set, and then can reduce the quantity of part, is convenient to assembling.Certainly, in other embodiments of the present utility model, described second sidewall 13 can be arranged with diapire in 11 minutes, and then was assembled into together.
Described diapire 11 one extend to form lens drum 111, and described lens drum 111 projects upwards diapire 11 to extend in the receiving space 14.Described lens drum 111 outside surfaces are roughly circular arc and its and are provided with along what fore-and-aft direction extended and cylindrically accommodate 112, in order to accommodate camera lens 5.Described lens drum 111 and the design of support arm 1 one can effectively be reduced the quantity that is used for passive structural member; Simultaneously, because the collection of 5 pairs of images of camera lens and bar code plays a crucial factor, this design can guarantee that camera lens 5 is constant with the relative position of support arm 1, thereby can improve the installation accuracy of camera lens 5.
The installation foot 23 that described power supply lamp plate 2 comprises vertical board body part 21, is installed in the some illuminating lamps 22 on the board body part 21 and electrically connects with illuminating lamp 22.In the present embodiment, described illuminating lamp 22 is six light emitting diodes and series connection setting mutually, so that enough photographic light sources to be provided.Described illuminating lamp 22 is projecting plate body 21 forward, and described installation foot 23 passes supporter 3 to electrically connect (being welding in the present embodiment) on first circuit board 6.Described board body part 21 is provided with and is socketed on the supporter 3 and the opening 24 that supplies supporter 3 to pass, and reaches 112 circular holes that run through 25 of accommodating with lens drum 111.
Described supporter 3 is made by insulating material in the present embodiment, second projection 34 that it comprises body 31, gives prominence to two first projections 33 of body 31 front surfaces 32 and is positioned at first projection, 33 sides and diameter is bigger.Described first projection 33 is in order to fix by the board body part 21 of retaining element and power supply lamp plate 2.The length of second projection 34 is greater than first projection 33, and then makes second projection 34 can pass the opening 24 of power supply lamp plate 2.The outside of second projection 34 is provided with the fin 341 of strip, and is provided with mounting hole 342 in the front end of fin 341.The pars intermedia of described second projection 34 is provided with the perforation 343 that runs through in order to accommodate focusing lamp 28 (joining shown in Figure 3).Described focusing lamp 28 and illuminating lamp 22 similar are light emitting diode, read a yard positioning function to play.
Described focusing lamp 28 is to electrically connect (being welding in the present embodiment) on first circuit board 6 equally.Described body 31 is provided with passage 321 that be arranged with from front surface 32 and in order to accommodate scanning module 4 between two first projections 33.
Described scanning module 4 is cylindric, and it comprises diameter bigger base portion 41 and the less contraction flow region 42 of diameter.During assembling, described base portion 41 is contained in the passage 321 of supporter 3, accommodates in 112 and described contraction flow region 42 further is contained in the cylindrical of lens drum 111.
Described camera lens 5 is installed on the cylindrical front end of accommodating in 112 and being positioned at scanning module 4 of lens drum 111.
When the utility model image and bar code reading module 100 work, when for example scanning a sub-picture, illuminating lamp 22 shines on the image back reflection light and passes lens 5 and converge on the scanning module 4, and scanning module 4 is sent to second circuit board 8 to detected signal again and decodes.
Described baffle plate 7 comprises some perforation 71 that some and illuminating lamp 22, camera lens 5 and focusing lamp 28 are corresponding.The light of described illuminating lamp 22 can pass corresponding perforation 71 and be mapped on the external image.Described baffle plate 7 is provided with the installation hole 72 corresponding with second mounting hole 124 of support arm 1.Described first circuit board 6 is provided with some installations hole 61 equally.Baffle plate 7 and first circuit board 6 are fixed in the rear and front end of support arm 1 by plurality of fixed element 62, and retaining element 62 passed the hole 72,61 and second mounting hole 124 were installed this moment; Simultaneously, one of them retaining element 62 is fixed in the mounting hole 342 of supporter 3, and then also baffle plate 7 is fixed on the supporter 3.Described retaining element 62 is screw in the present embodiment.Described baffle plate 7 is provided with upper surface 73.
Owing to described support arm 1 is upwards open, the second circuit board 8 that configuration has decoding function on the open direction of receiving space 14 makes that possessing the collection and the image of the two kinds of functions of decoding and the volume of bar code reading module 100 simultaneously reduces greatly.Described second circuit board 8 does not exceed the upper surface 73 (joining shown in Figure 6) of baffle plate 7, can further reduce the volume of image and bar code reading module 100.In embodiment of the present utility model, described second circuit board 8 is the decoding circuit plate, decoding device 81 and described first, second circuit board 6,8 is installed on the second circuit board 8 is electrically connected by flexible PCB (not shown).In order to realize the fixing of second circuit board 8, the utility model provides two kinds of schemes.
Please join shown in Figure 2ly, in first embodiment of the utility model image and bar code reading module 100, second circuit board 8 is provided with some through holes 82 that align with first mounting hole 123 at its periphery, and by retaining element 62 location.The image acquisition structure of the second circuit board of the utility model image and bar code reading module 100 below 8 can realize the collection to image and bar code; And second circuit board 8 can be decoded to the image after gathering, and finally makes the utility model image and bar code reading module 100 have the collection of image and bar code simultaneously and decodes two kinds of functions.
Fig. 7 disclosed the utility model image and bar code reading module 100 ' second embodiment, described image and bar code reading module 100 ' identical with the image and bar code reading module 100 overwhelming majority in first embodiment, difference is that in second embodiment described second circuit board 8 is to be fixed on the first circuit board 6 by L shaped connecting portion 83.Described connecting portion 83 comprises the second portion 85 that first 84 reaches perpendicular to first 84.Described first, second part 84,85 is respectively equipped with the stickup glue 841,851 that adheres on first, second circuit board on 6,8, and then will 6,8 be fixed together on first, second part 84,85 and first, second circuit board.Described supporter 3 is provided with host cavity 30, and described image and bar code reading module 100 ' the be provided with back-up block 86 that is contained in the host cavity 30 and compresses first, second part 84,85.
The utility model image and bar code reading module 100,100 ' the image acquisition structure of second circuit board 8 with second circuit board 8 belows combined, effectively reduced image and bar code reading module 100,100 ' volume, more meet the application trend of miniaturization.
Please join Fig. 8 to shown in Figure 11, the utility model image and bar code reading module application apparatus 200 comprise shell 201, are positioned at the main circuit board 202 of shell 201 and the recognition window 203 that electrically connects with main circuit board 202.Described image and bar code reading module 100,100 ' be installed in as one of them main element on the main circuit board 202 of image and bar code reading module application apparatus 200, play the function of the collection and the decoding of image and bar code.In addition, power module 301, Ethernet remote power feeding (POE) module 302, usb hub module 303, bluetooth module 304 and GPIO module 306 etc. also are installed on the main circuit board 202.In addition, image and bar code reading module application apparatus 200 also are furnished with WLAN (wireless local area network) (WIFI) module 305 and general packet radio service technology (GPRS) module 307 of wireless telecommunications.Described shell 201 comprises first 2011 and detains the second portion of holding 2012 with first 2011.Described main circuit board 202 and be installed on image on the main circuit board 202 and bar code reading module 100,100 ', power module 301, Ethernet remote power feeding (POE) module 302, usb hub module 303, bluetooth module 304 and GPIO module 306 all be arranged in the first 2011; And described WLAN (wireless local area network) (WIFI) module 305 and general packet radio service technology (GPRS) module 307 are arranged in the second portion 2012.Figure 11 is the schematic diagram of main circuit board 202, and it has disclosed the transmission path between main circuit board interface and other module interfaces.
The function of each module is as follows:
Show module: in order to instruct the client to operate and to show Query Result;
Power module 301: in order to power to image and bar code reading module;
Ethernet remote power feeding (POE) module 302: can power by the physical network line and use to equipment;
Usb hub module 303: the USB hot-plug interface of expansion main circuit board 202;
Bluetooth module 304: by bluetooth and external unit communication;
WLAN (wireless local area network) (WIFI) module 305: carry out communication by WLAN (wireless local area network) and external network;
GPIO module 306: the interactive signal of two-way input and two-way output;
General packet radio service technology (GPRS) module 307: carry out communication by the general packet radio service technology and the external world.
In sum, it below only is preferred embodiment of the present utility model, should not limit scope of the present utility model with this, be that every simple equivalent of being done according to the utility model claims and utility model description changes and modifies, all should still belong in the scope that the utility model patent contains.
Claims (9)
1. image and bar code reading module, comprise support arm, scanning module, be positioned at lens, illuminating lamp and the first circuit board of scanning module front end, described scanning module, lens and illuminating lamp all are positioned at support arm, and illuminating lamp and first circuit board electrically connect, it is characterized in that: described support arm comprises diapire and the lens drum that extends from the diapire one, described lens drum projects upwards diapire, and described lens are installed in the lens drum.
2. image as claimed in claim 1 and bar code reading module, it is characterized in that: described support arm is a U-shaped, described support arm comprises upwardly extending first, second sidewall from the diapire both sides, described diapire and first, second sidewall are wholely set, described diapire and first, second sidewall form upwards open receiving space, and described lens drum, scanning module, lens and illuminating lamp all are positioned at this receiving space; Described image and bar code reading module also are provided with top that is installed on first, second sidewall and the second circuit board that covers this receiving space, and decoding device and described first, second circuit board electric connection are installed on the described second circuit board.
3. image as claimed in claim 2 and bar code reading module, it is characterized in that: described second circuit board contacts with the top of first, second sidewall, described the first side wall comprises pars intermedia and is positioned at first thickening part on pars intermedia top that described first thickening part is more extended with respect to pars intermedia in receiving space.
4. image as claimed in claim 3 and bar code reading module, it is characterized in that: described first thickening part is provided with at least one mounting hole, described second circuit board is provided with the through hole that aligns with mounting hole, and described image and bar code reading module are provided with passes through hole and mounting hole second circuit board is fixed in the retaining element on first thickening part.
5. image as claimed in claim 2 and bar code reading module, it is characterized in that: described image and bar code reading module comprise in order to the fixing connecting portion of first circuit board and second circuit board, described connecting portion comprises and is fixed in the first on the first circuit board and is fixed in second portion on the second circuit board that described first is perpendicular to second portion.
6. image as claimed in claim 2 and bar code reading module is characterized in that: described image and bar code reading module comprise the supporter that is positioned at receiving space and are socketed on power supply tabula rasa on the supporter that described supporter is held on the diapire of support arm; Described power supply tabula rasa comprises board body part and the installation foot that electrically connects with illuminating lamp, and described illuminating lamp is the projecting plate body forward, and described installation foot passes supporter to be welded on the first circuit board.
7. image as claimed in claim 1 and bar code reading module, it is characterized in that: described image and bar code reading module comprise the baffle plate that is positioned at illuminating lamp the place ahead, the setting of being separated by of described baffle plate and first circuit board, and described baffle plate and first circuit board are individually fixed in the forward and backward two ends of support arm, and described baffle plate is provided with the perforation corresponding with illuminating lamp.
8. image and bar code reading module application apparatus comprise shell, are positioned at the main circuit board of shell and are installed on image and bar code reading module and power module on the main circuit board; Described power module is in order to power to image and bar code reading module; Described image and bar code reading module comprise support arm, scanning module, are positioned at the lens of scanning module front end, illuminating lamp and first circuit board, described scanning module, lens and illuminating lamp all are positioned at support arm, and illuminating lamp and first circuit board electrically connect, it is characterized in that: described support arm comprises diapire and the lens drum that extends from the diapire one, described lens drum projects upwards diapire, and described lens are installed in the lens drum.
9. image as claimed in claim 8 and bar code reading module application apparatus is characterized in that: described image and bar code reading module application apparatus also comprise with main circuit board and carry out Ethernet remote power feeding module, usb hub module and the bluetooth module that communication is connected.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202131666U CN201616104U (en) | 2009-12-16 | 2009-12-16 | Image and bar-code recognizing module and application device thereof |
| US12/969,585 US8371508B2 (en) | 2009-12-16 | 2010-12-15 | Imaging module for optical reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202131666U CN201616104U (en) | 2009-12-16 | 2009-12-16 | Image and bar-code recognizing module and application device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201616104U true CN201616104U (en) | 2010-10-27 |
Family
ID=43002469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202131666U Expired - Fee Related CN201616104U (en) | 2009-12-16 | 2009-12-16 | Image and bar-code recognizing module and application device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201616104U (en) |
-
2009
- 2009-12-16 CN CN2009202131666U patent/CN201616104U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20161216 |