CN216310799U - Bar code reading module with movable assembly - Google Patents
Bar code reading module with movable assembly Download PDFInfo
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- CN216310799U CN216310799U CN202122229505.3U CN202122229505U CN216310799U CN 216310799 U CN216310799 U CN 216310799U CN 202122229505 U CN202122229505 U CN 202122229505U CN 216310799 U CN216310799 U CN 216310799U
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Abstract
The utility model relates to a bar code reading module with a movable assembly, which comprises a shell and a circuit board at the rear end of the shell, wherein the circuit board bears electronic devices such as an imaging assembly, a lighting assembly, an aiming assembly, an inductor and the like. Through the change of the electrification of the inductor and the direction of the current, the inductor generates a changeable magnetic pole, and the magnetic pole and the magnet act to drive the movable panel to displace, so that the depth of field of the imaging assembly and the illumination range of the illumination assembly are changed.
Description
Technical Field
The utility model relates to a bar code reading module, in particular to a bar code reading module with a movable assembly.
Background
With the wide application of bar codes in the fields of logistics, warehousing, retail and the like, more and more companies begin to use bar code scanning devices to improve the working efficiency, and common bar code scanning devices include handheld bar code scanning devices, fixed bar code scanning terminals, mobile data terminals and the like. Hand-held bar code scanning equipment and fixed bar code scanning terminals are often used in places such as supermarkets, home appliance stores and the like. The sales assistance and the goods management assistance are realized by scanning the bar codes of the goods. The mobile data terminal is often applied to the field of logistics, and logistics transportation recording and inventory management are realized by scanning corresponding bar codes. The core of all bar code scanning devices is a built-in bar code reading module. The bar code reading module has the most basic imaging and decoding functions, acquires a target image, and positions and decodes the bar code in the image.
In barcode scanning scenarios, the distance of the target from the barcode scanner is variable, or the target is often not back within the optimal moderate distance of the barcode scanning device, which requires the operator to manually adjust the distance between the target and the barcode scanner, and a technologically unsound operator needs to find the optimal moderate distance through multiple attempts. In order to solve the above problems, in the prior art, a liquid lens or a multi-lens scheme is generally adopted to read targets in different depth of field ranges. However, the liquid lens is expensive, which increases the cost of the device, and the multi-lens combination increases the volume and power consumption of the device.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a barcode reading module with a movable assembly, wherein the movable panel is driven to move by an inductance driving magnet, the distance between a front lens and an imaging assembly and the distance between the front lens and an illumination assembly are adjusted, and the depth of field of reading is changed.
The technical scheme of the utility model is as follows:
a barcode reading module with a movable component comprises:
the shell is sequentially provided with a first lens opening, a first aiming opening and a first lighting opening which are communicated with the front end and the rear end of the shell in the horizontal direction of the front end.
The circuit board at least comprises a PCB, the circuit board is arranged at the rear end of the shell, and the front side of the circuit board is sequentially provided with an inductor, an imaging assembly socket, an aiming light source assembly and a lighting light source assembly; the imaging component socket is connected with a convex imaging component in a pluggable manner; the back of the circuit is provided with a processor with bar code decoding capability and a transmission interface for transmitting electric signals with the outside.
And the movable panel is positioned in front of the shell, is attached to the front panel of the shell, and is provided with a second lens opening, a second aiming opening and a second lighting opening which correspond to the first lens opening, the first aiming opening and the first lighting opening.
A first lens is arranged on the second lens opening, and a second lens is arranged on the second illumination opening.
The right end of the rear panel of the movable panel is fixedly adhered to the front panel of the first fixed block, and the front end of the right panel of the shell is fixedly adhered to the left panel of the first fixed block;
the left end of the rear panel of the movable panel is fixedly adhered to the front panel of the second fixed block, an opening is formed in the rear end of the second fixed block, a magnet is arranged in the opening, and the magnet corresponds to the inductor in position.
Preferably, the imaging assembly further comprises: the image sensor, the opaque of the at least cladding image sensor photosurface of rear end is convex cavity casing, the cavity casing is close to the image sensor rear end and is square to dwindle forward for cylindrically, the front end of cavity casing is provided with imaging lens, imaging assembly rear end face still be provided with imaging assembly plug-in components with imaging assembly socket cooperation is used.
Preferably, the aiming light source assembly is disposed within the aiming opening; the illumination light source assembly is disposed within the illumination opening.
Preferably, the first lens opening is in a step shape and is circular and concave inwards so as to be attached and installed with the imaging assembly.
Preferably, the first lens is fixed on the second lens opening through a first lens pressing ring; the second lens is fixed on the second lighting opening through a second lens pressing ring.
Preferably, the inductor has magnetism after being electrified, and the magnetic pole of the inductor is changed by changing the current direction.
Preferably, the movable panel is made of mylar sheet material.
The utility model has the following beneficial effects:
1. the utility model relates to a bar code reading module with a movable assembly, which is characterized in that an elastic movable panel is arranged at the front end of a shell, the right end of the movable panel is connected with the right end of the shell, the left end of the movable panel is connected with a fixed piece with a magnet, and an inductor on a circuit board is electrified to have the action of magnetism and the magnet to drive the movable panel to move back and forth, so that the distance change between a lens on the movable panel and an imaging assembly and an illumination assembly is realized, and the change of the depth of field of reading is realized.
2. According to the bar code reading module with the movable assembly, the opening of the lens is provided with the step-shaped circular concave, so that diffuse reflection of more stray light can be resisted, and imaging is purer when the lens collects a bar code image. The imaging assembly is installed on the circuit board in a plug-in mode, and only one group of circuit board is needed to be designed, so that the installation size requirement and the assembly difficulty are reduced. The imaging assembly inserting design can flexibly replace the imaging assemblies with different specifications.
Drawings
FIG. 1 is an exploded view of a bar code reader module with a movable assembly according to the present invention;
FIG. 2 is a cross-sectional view of a bar code reader module with a movable assembly according to a first embodiment of the present invention;
FIG. 3 is a cross-sectional view of a barcode reader module with a movable element in a second mode according to the present invention.
The reference signs are: 1-housing, 11-imaging component, 111-first lens opening, 112-imaging component socket, 12-aiming light source component, 121-first aiming opening, 13-illuminating light source component, 131-first illuminating opening, 14-inductor, 2-circuit board, 3-movable panel, 311-second lens opening, 312-first lens, 313-first lens clamping ring, 321-second aiming opening, 331-second illuminating opening, 332-second lens, 333-second lens clamping ring, 4-first fixing block, 5-second fixing block, 6-magnet, 7-moving fulcrum.
Detailed Description
The utility model is described in detail below with reference to the figures and the specific embodiments.
A barcode reading module with a movable assembly, as shown in fig. 1-3, comprising:
a housing 1, wherein a first lens opening 111, a first aiming opening 121 and a first illumination opening 131 penetrating through the front end and the rear end of the housing 1 are sequentially arranged on the housing 1 in the horizontal direction of the front end;
the circuit board 2 at least comprises a PCB board, the circuit board is mounted at the rear end of the housing 1, and the front side of the circuit board 2 is sequentially provided with an inductor 14, an imaging assembly socket 112, an aiming light source assembly 12 and a lighting light source assembly 13; the imaging component socket 112 is connected with the imaging component 11 in a convex shape in a pluggable manner; a processor with bar code decoding capability and a transmission interface for transmitting electric signals with the outside are arranged on the back of the circuit board 2;
a movable panel 3 which is positioned in front of the housing 1, is attached to the front panel of the housing 1, and is provided with a second lens opening 311, a second aiming opening 321, and a second illumination opening 331 corresponding to the first lens opening 111, the first aiming opening 121, and the first illumination opening 131;
a first lens 312 is disposed on the second lens opening 311, and a second lens 332 is disposed on the second illumination opening 331;
the right end of the rear panel of the movable panel 3 is fixedly adhered to the front panel of the first fixed block 4, and the front end of the right panel of the shell 1 is fixedly adhered to the left panel of the first fixed block 4;
the left end of the rear panel of the movable panel 3 is fixedly adhered to the front panel of the second fixed block 5, the rear end of the second fixed block 5 is provided with an opening, a magnet 6 is arranged in the opening, and the magnet 6 corresponds to the inductor 14 in position.
The imaging assembly 11 further comprises: the rear end of the imaging component 11 is provided with an imaging component plug-in which is matched with the imaging component socket 112 for use;
the aiming light source assembly 12 is disposed in the aiming opening 121; the illumination light source assembly 13 is disposed within the illumination opening 131;
the first lens opening 111 is a step-shaped circular recess for attaching and installing the imaging component 11.
The first lens 312 is fixed on the second lens opening 311 by a first lens pressing ring 313; the second lens 332 is fixed on the second lighting opening 331 through a second lens clamping ring 333.
The inductor 14 has magnetism after being electrified, and the magnetic pole of the inductor 14 is changed by changing the current direction.
The movable panel 3 is made of Mylar.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a bar code recognition module with movable subassembly which characterized in that includes:
the device comprises a shell (1), wherein a first lens opening (111), a first aiming opening (121) and a first lighting opening (131) which penetrate through the front end and the rear end of the shell (1) are sequentially formed in the shell (1) in the horizontal direction of the front end;
the circuit board (2) at least comprises a PCB, the circuit board is installed at the rear end of the shell (1), and an inductor (14), an imaging assembly socket (112), an aiming light source assembly (12) and a lighting light source assembly (13) are sequentially arranged on the front surface of the circuit board (2); the imaging component socket (112) is connected with a convex imaging component (11) in a pluggable way; the back of the circuit board (2) is provided with a processor with bar code decoding capability and a transmission interface for transmitting electric signals with the outside;
a movable panel (3) which is positioned in front of the housing (1), is attached to the front panel of the housing (1), and is provided with a second lens opening (311), a second aiming opening (321), and a second illumination opening (331) that correspond to the first lens opening (111), the first aiming opening (121), and the first illumination opening (131);
a first lens (312) is arranged on the second lens opening (311), and a second lens (332) is arranged on the second illumination opening (331);
the right end of the rear panel of the movable panel (3) is fixedly adhered to the front panel of the first fixed block (4), and the front end of the right panel of the shell (1) is fixedly adhered to the left panel of the first fixed block (4);
the left end of the rear panel of the movable panel (3) is fixed to the front panel of the second fixing block (5) in an adhesion mode, the rear end of the second fixing block (5) is provided with an opening, a magnet (6) is arranged in the opening, and the magnet (6) corresponds to the position of the inductor (14).
2. A barcode reading module with movable assembly according to claim 1, characterized in that the imaging assembly (11) further comprises: the image sensor, the light-tight of the at least cladding image sensor photosurface of rear end is convex cavity casing, the cavity casing is close to the image sensor rear end and is square to dwindle forward for cylindrically, the front end of cavity casing is provided with imaging lens, imaging component (11) rear end face still be provided with imaging component plug-in components with imaging component socket (112) cooperation is used.
3. A barcode reading module having a movable assembly according to claim 2, wherein: the aiming light source assembly (12) is disposed within the aiming opening (121), and the illumination light source assembly (13) is disposed within the illumination opening (131).
4. A barcode reading module having a movable assembly according to claim 2, wherein: the first lens opening (111) is in a step shape and is circular and concave inwards so as to be attached and installed with the imaging assembly (11).
5. A barcode reading module having a movable assembly according to claim 1, wherein: the first lens (312) is fixed on the second lens opening (311) through a first lens pressing ring (313); the second lens (332) is fixed on the second lighting opening (331) through a second lens pressing ring (333).
6. A barcode reading module having a movable assembly according to claim 1, wherein: the inductor (14) has magnetism after being electrified, and the magnetic pole of the inductor (14) is changed by changing the current direction.
7. A barcode reading module having a movable assembly according to claim 1, wherein: the movable panel (3) is made of Mylar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122229505.3U CN216310799U (en) | 2021-09-15 | 2021-09-15 | Bar code reading module with movable assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122229505.3U CN216310799U (en) | 2021-09-15 | 2021-09-15 | Bar code reading module with movable assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216310799U true CN216310799U (en) | 2022-04-15 |
Family
ID=81112579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122229505.3U Active CN216310799U (en) | 2021-09-15 | 2021-09-15 | Bar code reading module with movable assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216310799U (en) |
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2021
- 2021-09-15 CN CN202122229505.3U patent/CN216310799U/en active Active
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