Double-camera code scanning engine structure

Abstract

The utility model discloses a double-camera code scanning engine structure which comprises an external frame, a multilayer circuit board assembly, a long-focus camera, a short-focus camera and an optical integrated device are integrated in the external frame, and the multilayer circuit board assembly comprises a bottom layer circuit board, a first heightening plate, a second heightening plate and an optical placing plate. The bottom layer circuit board is fixed at the bottom end of the external frame, the first heightening plate, the second heightening plate and the optical placement plate are sequentially arranged from bottom to top, and the bottom layer circuit board, the first heightening plate, the second heightening plate and the optical placement plate are sequentially connected through the flexible circuit board; circuit components are arranged on the bottom layer circuit board and the first heightening plate, the telephoto camera is fixed on the bottom layer circuit board, and the optical integrated device is fixed on the optical placing plate. The integration level of the double-camera code scanning engine is improved, and the overall size is reduced.

Description

Technical Field

[0001] This utility model relates to the field of barcode scanning engine technology, and in particular to a dual-camera barcode scanning engine structure. Background Technology

[0002] A dual-camera scanning engine is an advanced barcode scanning technology that achieves efficient and accurate barcode reading by integrating two camera units. The dual-camera scanning engine contains two camera units with different focal lengths: typically one is a telephoto lens for scanning long-distance or large-size barcodes, and the other is a short-focus camera focused on reading close-up or small-size barcodes.

[0003] Dual-camera scanning engines, as an advanced barcode scanning technology, are gradually becoming an important tool for various industries to improve efficiency and optimize processes, thanks to their unique dual-camera unit design, efficient decoding algorithms, and wide range of applications.

[0004] Currently, existing dual-camera scanning engines typically integrate most components onto a single circuit board. This results in a large circuit board footprint and insufficient internal integration of the dual-camera scanning engine, increasing its size and making it unsuitable for use in confined spaces. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a dual-camera scanning engine structure to improve the integration of the dual-camera scanning engine and reduce the overall size.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a dual-camera scanning engine structure, including an outer frame, wherein a multi-layer circuit board assembly, a telephoto camera, a short-focus camera, and an optical integration device are integrated inside the outer frame. The multi-layer circuit board assembly includes a bottom circuit board, a first height-increasing plate, a second height-increasing plate, and an optical placement plate. The bottom circuit board is fixed to the bottom end of the outer frame. The positions of the first height-increasing plate, the second height-increasing plate, and the optical placement plate are arranged sequentially from bottom to top. The bottom circuit board, the first height-increasing plate, the second height-increasing plate, and the optical placement plate are sequentially connected by a flexible circuit board.

[0007] The bottom circuit board and the first height-increasing board are equipped with circuit components. The telephoto camera is fixed on the bottom circuit board, and the optical integration device is fixed on the optical placement board.

[0008] Furthermore, the top surface height of both the short-focal-length camera and the optical integration device is not higher than the top surface height of the long-focal-length camera.

[0009] Further, long-focus heat dissipation openings are arranged on both sides of the long-focus camera, short-focus heat dissipation openings are arranged on both sides of the short-focus camera, optical heat dissipation openings are arranged on both sides of the optical integrated device, a heat dissipation through slot is arranged in the middle of the outer frame, and the first heightening plate and the second heightening plate are arranged in the heat dissipation through slot.

[0010] Further, one side of the bottom layer circuit board is connected with the side end of the outer frame in a mortise and tenon joint manner, and a plurality of first bottom limiting blocks are further arranged on the bottom of the outer frame, and the bottom layer circuit board is arranged on the upper end of each first bottom limiting block.

[0011] Further, one side of the first heightening plate is connected with the side end of the heat dissipation through slot in a mortise and tenon joint manner, and a plurality of second bottom limiting blocks are further arranged on the inner side of the heat dissipation through slot, and the first heightening plate is arranged on the upper end of each second bottom limiting block.

[0012] Further, one side of the second heightening plate is connected with the side end of the heat dissipation through slot in a mortise and tenon joint manner, and a plurality of third bottom limiting blocks are further arranged on the inner side of the heat dissipation through slot, and the second heightening plate is arranged on the upper end of each third bottom limiting block.

[0013] Further, the second heightening plate is provided with a first screw hole, a second screw hole is further arranged on the outer frame, a screw is arranged on the lower end surface of the second heightening plate, and the screw is sequentially screwed into the first screw hole and the second screw hole.

[0014] Further, a long-focus irradiation slot, an optical irradiation slot and a short-focus irradiation slot are arranged on the top of the outer frame, and the long-focus irradiation slot, the optical irradiation slot and the short-focus irradiation slot are in communication with each other.

[0015] The utility model discloses the beneficial effect of:

[0016] The utility model discloses circuit board is from below and upwards and is divided into bottom layer circuit board, first heightening plate, second heightening plate and optical placement board that electric connection is in proper order, and long-focus camera is arranged on bottom layer circuit board, and circuit component is arranged on bottom layer circuit board and first heightening plate, and short-focus camera is arranged on second heightening plate, and optical integrated device is arranged on optical placement board, realize the orderly arrangement of each component in the vertical direction of double -camera scanning code engine, avoid all concentration in a circuit board, ingeniously utilize longitudinal space and reduce the floor area, thereby significantly improve double -camera scanning code engine, reduce overall volume. DRAWINGS

[0017] Figure 1 It is the front structure schematic diagram of double -camera scanning code engine structure in the utility model,

[0018] Figure 2 It is the bottom view of double -camera scanning code engine structure in the utility model.

[0019] Fig. 1 is an external frame; Fig. 2 is a multilayer circuit board assembly; Fig. 21 is a bottom layer circuit board; Fig. 22 is a first heightening plate; Fig. 23 is a second heightening plate; Fig. 24 is an optical placement plate; Fig. 3 is a long-focus camera; Fig. 4 is a short-focus camera; Fig. 5 is an optical integration device; Fig. 6 is a long-focus heat dissipation port; Fig. 7 is a short-focus heat dissipation port; Fig. 8 is an optical heat dissipation port; Fig. 9 is a heat dissipation through groove; Fig. 10 is a first bottom limiting block; Fig. 11 is a second bottom limiting block; Fig. 12 is a third bottom limiting block; Fig. 13 is a screw; Fig. 14 is a long-focus irradiation groove; Fig. 15 is an optical irradiation groove; Fig. 16 is a short-focus irradiation groove. DETAILED DESCRIPTION

[0020] The utility model is further described in detail below in combination with the drawings and examples. Identical parts are denoted by identical reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a particular part.

[0021] Example 1, with reference to Figure 1 As a first embodiment of the present application, the embodiment provides a dual-camera code scanning engine structure, which can improve the integration of the dual-camera code scanning engine and reduce the overall volume. The structure comprises an external frame 1, and a multilayer circuit board assembly 2, a long-focus camera 3, a short-focus camera 4 and an optical integration device 5 are integrated inside the external frame 1. The multilayer circuit board assembly 2 comprises a bottom layer circuit board 21, a first heightening plate 22, a second heightening plate 23 and an optical placement plate 24. The bottom layer circuit board 21 is fixed at the bottom end of the external frame 1. The first heightening plate 22, the second heightening plate 23 and the optical placement plate 24 are arranged in order from bottom to top. The bottom layer circuit board 21, the first heightening plate 22, the second heightening plate 23 and the optical placement plate 24 are connected in order by a flexible circuit board.

[0022] The bottom layer circuit board 21 and the first heightening plate 22 are provided with circuit components. The long-focus camera 3 is fixed on the bottom layer circuit board 21, and the optical integration device 5 is fixed on the optical placement plate 24.

[0023] Working principle of example 1:

[0024] The circuit board is sequentially divided from bottom to top into the bottom layer circuit board 21, the first heightening plate 22, the second heightening plate 23 and the optical placement plate 24 which are sequentially electrically connected, the long-focus camera 3 is arranged on the bottom layer circuit board 21, the circuit components are arranged on the bottom layer circuit board 21 and the first heightening plate 22, the short-focus camera 4 is arranged on the second heightening plate 23, and the optical integrated device 5 is arranged on the optical placement plate 24, so that the orderly arrangement of the components in the vertical direction of the double-camera scan code engine is realized, the components are prevented from being concentrated on one circuit board, the longitudinal space is ingeniously utilized to reduce the floor area, and therefore the double-camera scan code engine is significantly improved and the overall volume is reduced.

[0025] Preferably, the top surface height of the short-focus camera 4 and the top surface height of the optical integrated device 5 are not higher than the top surface height of the long-focus camera 3.

[0026] Specifically, in the embodiment, the top surface height of the short-focus camera 4 and the top surface height of the optical integrated device 5 are limited, so that the top surface height of the short-focus camera 4 and the top surface height of the optical integrated device 5 are not higher than the top surface height of the long-focus camera 3, and finally the short-focus camera 4, the optical integrated device 5 and the long-focus camera 3 are substantially in the same plane, so that the double-camera scan code effect is ensured.

[0027] Embodiment 2, refer to Figure 1 The second embodiment of the present application is different from the previous embodiment, and the second embodiment provides a long-focus heat dissipation port 6, a short-focus heat dissipation port 7, an optical heat dissipation port 8 and a heat dissipation through slot 9, so that the heat dissipation effect of the double-camera scan code engine is improved, wherein the long-focus heat dissipation port 6 is arranged on both sides of the long-focus camera 3, the short-focus heat dissipation port 7 is arranged on both sides of the short-focus camera 4, the optical heat dissipation port 8 is arranged on both sides of the optical integrated device 5, the heat dissipation through slot 9 is arranged in the middle of the external frame 1, the first heightening plate 22 and the second heightening plate 23 are installed in the heat dissipation through slot 9, the long-focus irradiation slot 14, the optical irradiation slot 15 and the short-focus irradiation slot 16 are arranged on the top of the external frame 1, and the long-focus irradiation slot 14, the optical irradiation slot 15 and the short-focus irradiation slot 16 are in communication with each other.

[0028] Working principle of the embodiment 2:

[0029] The external frame 1 is made of heat dissipation material, long-focus heat dissipation openings 6 are formed on both sides of the long-focus camera 3, short-focus heat dissipation openings 7 are formed on both sides of the short-focus camera 4, optical heat dissipation openings 8 are formed on both sides of the optical integrated device 5, and a heat dissipation channel 9 is arranged in the middle of the external frame 1, thereby increasing the contact area of the long-focus camera 3, the short-focus camera 4, the optical integrated device 5, the first heightening plate 22 and the second heightening plate 23 with air, and thus improving the heat dissipation effect of the long-focus camera 3, the short-focus camera 4, the optical integrated device 5, the first heightening plate 22 and the second heightening plate 23, and enhancing the overall heat dissipation performance of the dual-camera code scanning engine. In addition, long-focus irradiation grooves 14, optical irradiation grooves 15 and short-focus irradiation grooves 16 are formed on the top of the external frame 1, and the long-focus irradiation grooves 14, the optical irradiation grooves 15 and the short-focus irradiation grooves 16 are in communication with each other, thereby not only ensuring the optical irradiation effect of the long-focus camera 3, the short-focus camera 4 and the optical integrated device 5, but also increasing the heat dissipation area of the long-focus camera 3, the short-focus camera 4 and the optical integrated device 5, and thus improving the heat dissipation effect of the long-focus camera 3, the short-focus camera 4 and the optical integrated device 5.

[0030] Embodiment 3, refer to Figure 2 The third embodiment of the present application is different from the previous embodiment in that the first bottom limiting block 10, the second bottom limiting block 11 and the third bottom limiting block 12 are provided to improve the stability of the connection structure of the bottom circuit board 21, the first heightening plate 22, the second heightening plate 23 and the external frame 1. One side of the bottom circuit board 21 is connected to the side end of the external frame 1 by mortise and tenon connection, and a plurality of first bottom limiting blocks 10 are arranged on the bottom of the external frame 1, and the bottom circuit board 21 is placed on the upper end of each first bottom limiting block 10. One side of the first heightening plate 22 is connected to the side end of the heat dissipation channel 9 by mortise and tenon connection, and a plurality of second bottom limiting blocks 11 are arranged on the inner side of the heat dissipation channel 9, and the first heightening plate 22 is placed on the upper end of each second bottom limiting block 11. One side of the second heightening plate 23 is connected to the side end of the heat dissipation channel 9 by mortise and tenon connection, and a plurality of third bottom limiting blocks 12 are arranged on the inner side of the heat dissipation channel 9, and the second heightening plate 23 is placed on the upper end of each third bottom limiting block 12. The second heightening plate 23 is provided with a first screw hole, and a second screw hole is formed on the external frame 1, and a screw 13 is arranged on the lower end surface of the second heightening plate 23, and the screw 13 is threadedly connected to the first screw hole and the second screw hole in sequence.

[0031] Working principle of embodiment 3:

[0032] One side of the bottom circuit board 21 is connected to the side end of the external frame 1 by mortise and tenon connection to preliminarily connect the bottom circuit board 21 and the external frame 1, and then the plurality of first bottom limiting blocks 10 on the bottom of the external frame 1 are used to further limit the bottom circuit board 21, thereby improving the stability of the connection between the bottom circuit board 21 and the external frame 1.

[0033] One side of the first heightening plate 22 is connected with the side end mortise and tenon of the heat dissipation channel 9 to realize the preliminary connection of the first heightening plate 22 and the external frame 1, then the first heightening plate 22 is further limited by the plurality of second bottom limiting blocks 11 inside the heat dissipation channel 9, therefore the connection stability of the first heightening plate 22 and the external frame 1 is improved;

[0034] One side of the second heightening plate 23 is connected with the side end mortise and tenon of the heat dissipation channel 9 to realize the preliminary connection of the second heightening plate 23 and the external frame 1, then the second heightening plate 23 is further limited by the plurality of third bottom limiting blocks 12 inside the heat dissipation channel 9, therefore the connection stability of the second heightening plate 23 and the external frame 1 is improved;

[0035] The screw 13 screwing between the external frame 1 and the second limiting plate further fixes the external frame 1 and the second limiting plate, therefore the connection stability of the second heightening plate 23 and the external frame 1 is further improved.

[0036] The above is only the preferred embodiment of the present application, the protection scope of the present application is not only limited to the above-mentioned embodiments, all technical solutions belonging to the idea of the present application are within the protection scope of the present application. It should be pointed out that, for the ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application are also considered as the protection scope of the present application.

Claims

1. A dual-camera scanning engine structure, characterized in that: The device includes an outer frame (1), which integrates a multi-layer circuit board assembly (2), a telephoto camera (3), a short-focus camera (4), and an optical integration device (5). The multi-layer circuit board assembly (2) includes a bottom circuit board (21), a first height-increasing plate (22), a second height-increasing plate (23), and an optical placement plate (24). The bottom circuit board (21) is fixed to the bottom of the outer frame (1). The positions of the first height-increasing plate (22), the second height-increasing plate (23), and the optical placement plate (24) are arranged sequentially from bottom to top. The bottom circuit board (21), the first height-increasing plate (22), the second height-increasing plate (23), and the optical placement plate (24) are connected sequentially by a flexible circuit board. Circuit components are provided on the bottom circuit board (21) and the first height-increasing board (22). The telephoto camera (3) is fixed on the bottom circuit board (21), and the optical integration device (5) is fixed on the optical placement plate (24).

2. The dual-camera scanning engine structure according to claim 1, characterized in that: The top surface height of both the short-focal-length camera (4) and the optical integration device (5) is not higher than the top surface height of the long-focal-length camera (3).

3. The dual-camera scanning engine structure according to claim 1, characterized in that: The telephoto camera (3) has telephoto heat dissipation vents (6) on both sides, the short-focus camera (4) has short-focus heat dissipation vents (7) on both sides, the optical integrated device (5) has optical heat dissipation vents (8) on both sides, the outer frame (1) has a heat dissipation channel (9) in the middle, and the first height-increasing plate (22) and the second height-increasing plate (23) are installed in the heat dissipation channel (9).

4. The dual-camera scanning engine structure according to claim 1, characterized in that: One side of the bottom circuit board (21) is tenon-jointed to the side end of the outer frame (1). The bottom of the outer frame (1) is also provided with a plurality of first bottom limiting blocks (10). The bottom circuit board (21) is placed on the upper end of each of the first bottom limiting blocks (10).

5. The dual-camera scanning engine structure according to claim 3, characterized in that: One side of the first heightening plate (22) is tenon-jointed to the side end of the heat dissipation channel (9). The inner side of the heat dissipation channel (9) is also provided with a plurality of second bottom limiting blocks (11). The first heightening plate (22) is placed on the upper end of each of the second bottom limiting blocks (11).

6. The dual-camera scanning engine structure according to claim 3, characterized in that: One side of the second heightening plate (23) is tenon-jointed to the side end of the heat dissipation channel (9). The inner side of the heat dissipation channel (9) is also provided with a plurality of third bottom limiting blocks (12). The second heightening plate (23) is placed on the upper end of each of the third bottom limiting blocks (12).

7. The dual-camera scanning engine structure according to claim 6, characterized in that: The second height-increasing plate (23) has a first screw hole through it, and the outer frame (1) also has a second screw hole. The lower end face of the second height-increasing plate (23) is provided with a screw (13), and the screw (13) is threaded into the first screw hole and the second screw hole in sequence.

8. The dual-camera scanning engine structure according to claim 1, characterized in that: The top of the external frame (1) is provided with a long focal length illumination slot (14), an optical illumination slot (15) and a short focal length illumination slot (16), and the long focal length illumination slot (14), the optical illumination slot (15) and the short focal length illumination slot (16) are interconnected.

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