CN212989199U - Bar code detector host - Google Patents
Bar code detector host Download PDFInfo
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- CN212989199U CN212989199U CN202020151150.3U CN202020151150U CN212989199U CN 212989199 U CN212989199 U CN 212989199U CN 202020151150 U CN202020151150 U CN 202020151150U CN 212989199 U CN212989199 U CN 212989199U
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Abstract
The utility model discloses a bar code detector host computer, but include lateral shifting's workstation and be located but workstation top and longitudinal movement's probe holder, the workstation passes through first drive mechanism and connects first driving motor, the probe holder passes through second drive mechanism and connects second driving motor, laser tube and photoelectric amplifier have set firmly on the probe holder, the light beam that the laser tube sent is placed shine behind the bar code reflection on the workstation photoelectric amplifier is last. The utility model has the advantages that: the degree of automation is high, can realize the automatic movement of probe seat, has effectively reduced artifical the participation.
Description
Technical Field
The utility model relates to a technical field that the bar code detected particularly, relates to a bar code detector host computer.
Background
The bar code technology solves the problem of data input in the application process of a computer by the characteristics of reliability, rapidness, economy, practicability and the like, and the bar codes become common languages in international trade and identity cards of international commodities.
The bar code is a group of bar-space patterns with different widths and alternate black and white, and bears information by using the change of bar and space dimensions and the difference of bar and space optical characteristics, and realizes automatic data acquisition and automatic information identification together with a computer. Therefore, the bar, space geometric dimension and optical characteristic are important parameters for ensuring the correct reading of the bar code, and the bar code detector is a measuring instrument for detecting the bar, space geometric dimension and optical characteristic of a bar code printed matter.
The printing quality of the bar code is the basis of bar code application, and the establishment and execution of the bar code detection standard are very important to the international standardization organization and the national standardization organizations. There are two kinds of current bar code detector execution standards, one is based on EAN specifications established earlier by the international article coding association, and the absolute deviation of bar code bar and empty size values, actual measurement value of reflectivity and PCS value are given from the perspective of physical quantity measurement, which is the "traditional detection standard"; the detection standard which is uniformly executed internationally at present comprehensively considers single indexes of bar code printing quality from the reading angle of bar codes, verifies the printing quality of bar code printed products by comprehensive grades, is a 'grading detection standard', and is based on the actual condition of bar code scanning, not the isolated error size of bar and empty sizes of detected bar codes and the absolute numerical value of reflectivity, comprehensively considers the reflectivity of bar code symbols on various substrates and the measured values of bar empty widths, specifically establishes a set of symbol specifications, specifies a decoding algorithm, and finally expresses the printing quality of the bar code symbols in the mode of A, B, C, D, E, F grades. The Chinese commodity bar code and bar code symbol (bar code) printing quality detection has adopted the comprehensive judgment standard of 'grading detection standard'.
After the bar code detector host computer is connected with the computer, can carry out N times of detection to bar code symbol quality. At present, a host machine of a bar code detector at home and abroad only comprises a probe seat, the bar code symbol is detected for N times by manually moving the probe seat or the bar code symbol, the scanning path interval is uneven, the detection efficiency is low, the manual intervention is easy, the integral printing quality of the detected bar code symbol cannot be comprehensively and accurately evaluated, the automation degree is low, and the detection efficiency is low.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides a bar code detector host computer, degree of automation is high, but its N that is connected the back with the computer realizes the bar code automatically detects, scanning route interval is even equal, more comprehensive, accurate whole printing quality to being surveyed the bar code detects and aassessment, human intervention has been got rid of, detection efficiency is improved, it has been overcome at present domestic and foreign bar code detector host computer and has relied on artifical removal probe seat or bar code symbol to accomplish N times detection to the bar code symbol, scanning route interval is inhomogeneous, detection efficiency is low, easily human intervention can not be comprehensive, accurate evaluation is surveyed defects such as whole printing quality of bar code symbol.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a bar code detector host computer, includes but lateral shifting's workstation and is located but workstation top and longitudinal movement's probe seat, the workstation passes through first drive mechanism and connects first driving motor, the probe seat passes through second drive mechanism and connects second driving motor, laser tube and photoelectric amplifier have set firmly on the probe seat, the light beam that the laser tube sent is placed shine behind the bar code reflection on the workstation photoelectric amplifier is last.
Further, the bar code detector host computer still includes the bottom plate, the top of bottom plate is fixedly connected with horizontal slide rail and longitudinal rail support respectively, horizontal slide rail sliding connection has horizontal slider, the top of horizontal slider with the bottom fixed connection of workstation, fixedly connected with longitudinal rail on the longitudinal rail support, longitudinal rail sliding connection has longitudinal slider, the bottom fixed connection probe seat's of longitudinal slider top.
Furthermore, a grating reading head is fixedly connected to the longitudinal sliding block, and a scale grating corresponding to the grating reading head is fixedly connected to the longitudinal guide rail.
Further, the first transmission mechanism and the second transmission mechanism are both ball screw and nut pairs.
Further, the ball nut of the first transmission mechanism is fixedly connected with a nut support, and the top of the nut support is fixedly connected with the bottom of the workbench.
Further, the first driving motor is a stepping motor, and the second driving motor is a direct current motor.
Furthermore, a unthreaded hole adjusting handle is arranged on the laser tube.
Furthermore, the bottom plate is also detachably connected with a dust cover, and the workbench and the probe seat are both positioned in the dust cover.
The utility model has the advantages that: the automation degree is high, the automatic movement of the probe seat can be realized, and the manual participation is effectively reduced; the system can automatically realize the size measurement and N times of detection of the bar code after being connected with a computer, the scanning path intervals are uniform and equal, the overall printing quality of the detected bar code is more comprehensively and accurately detected and evaluated, the human intervention is eliminated, the detection efficiency is improved, and the defects that the prior domestic and foreign bar code detector host machine completes the N times of detection of the bar code symbol by manually moving a probe seat or the bar code symbol, the scanning path intervals are uneven, the detection efficiency is low, the human intervention is easy, the overall printing quality of the detected bar code symbol cannot be comprehensively and accurately evaluated, and the like are completely overcome; a plurality of bar code symbols can be placed on the workbench for detection at the same time, and the detection result of each detected bar code symbol can be respectively given, so that the detection mode that a host of a bar code detector produced at home and abroad can only detect one bar code symbol at a time is thoroughly changed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a host of a barcode detector according to an embodiment of the present invention;
FIG. 2 is a side view of a bar code detector host according to an embodiment of the present invention;
FIG. 3 is a top view of a barcode detector host according to an embodiment of the present invention;
fig. 4 is a schematic circuit diagram of an electrical box according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a barcode detector host according to an embodiment of the present invention.
In the figure:
1. a computer; 2. a printer; 3. a body; 4. a ground pin adjusting screw; 5. a nut bracket; 6. a first drive motor; 7. a dust cover; 8. a base plate; 9. an electrical box bottom plate; 10. an electrical box; 11. a longitudinal rail bracket; 12. a transverse slide rail; 13. a work table; 14. a unthreaded hole adjusting handle; 15. a working surface; 16. a longitudinal guide rail; 17. a longitudinal slide block; 18. a coupling; 19. a second drive motor; 20. a laser tube; 21. a grating reading head; 22. a scale grating; 23. a probe base; 24. a power socket; 25. and a USB interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1-5, according to the embodiment of the present invention, a bar code detector host comprises a workbench 13 capable of moving transversely and a probe base 23 capable of moving longitudinally above the workbench 13, the workbench 13 is connected with a first driving motor 6 through a first transmission mechanism, the probe base 23 is connected with a second driving motor 19 through a second transmission mechanism, a laser tube 20 and a photoelectric amplifier are fixedly arranged on the probe base 23, and a light beam emitted by the laser tube 20 is placed on the photoelectric amplifier after being reflected by a bar code on the workbench 13.
The utility model discloses a specific embodiment, the bar code detector host computer still includes bottom plate 8, the top of bottom plate 8 is fixedly connected with transverse slide rail 12 and longitudinal rail support 11 respectively, transverse slide rail 12 sliding connection has transverse slider, transverse slider's top with the bottom fixed connection of workstation 13, fixedly connected with longitudinal rail 16 on the longitudinal rail support 11, longitudinal rail 16 sliding connection has longitudinal slider 17, the top of longitudinal slider 17's bottom fixed connection probe seat 23.
In a specific embodiment of the present invention, the longitudinal sliding block 17 is further fixedly connected with a grating reading head 21, and the longitudinal guide rail 16 is fixedly connected with a scale grating 22 corresponding to the grating reading head 21.
In an embodiment of the present invention, the first transmission mechanism and the second transmission mechanism are a ball screw nut pair.
In an embodiment of the present invention, the ball nut of the first transmission mechanism is fixedly connected with a nut support 5, and the top of the nut support 5 is fixedly connected with the bottom of the working table 13.
In an embodiment of the present invention, the first driving motor 6 is a stepping motor, and the second driving motor 19 is a dc motor.
In one embodiment of the present invention, the laser tube 20 is provided with a light hole adjusting handle 14.
In a specific embodiment of the present invention, the bottom plate 8 is further detachably connected with a dust cover 7, and the workbench 13 and the probe base 23 are both located inside the dust cover 7.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention will be described in detail through specific use modes.
Bar code detector host computer include organism 3, computer 1 is connected with printer 2, organism 3 respectively.
The machine body 3 comprises a dust cover 7, the dust cover 7 is fixedly connected with a bottom plate 8, the bottom plate 8 is respectively fixedly connected with a ground pin adjusting screw 4, an electric appliance box bottom plate 9, a first driving motor 6, a longitudinal guide rail bracket 11 and a transverse slide rail 12, the transverse slide rail 12 is connected with a transverse slide block in a sliding manner, the transverse slide block is fixedly connected with a workbench 13, the workbench 13 is fixedly connected with a nut bracket 5, the nut bracket 5 is connected with an output shaft of the first driving motor 6 through a ball screw nut pair, the first driving motor 6 is a stepping motor, the electric appliance box bottom plate 9 is fixedly connected with an electric appliance box 10, the longitudinal guide rail bracket 11 is fixedly connected with a longitudinal guide rail 16, the longitudinal guide rail 16 is connected with a longitudinal slide block 17 in a sliding manner, the longitudinal slide block 17 is connected with a coupler 18 through a ball screw nut pair, the coupler 18 is fixedly connected, the scale grating 22 is fixedly connected to the longitudinal sliding block 17, the longitudinal sliding block 17 is respectively and fixedly connected with the grating reading head 21 and the probe seat 23, the probe seat 23 is fixedly connected with the laser tube 20, the laser tube 20 is provided with the unthreaded hole adjusting handle 14, and the grating reading head 21, the photoelectric amplifier in the probe seat 23 and the laser tube 20 are connected with the electrical box 10; the bottom plate 9 of the electrical appliance box is fixedly connected with the electrical appliance box 10. The top of the working table 13 is a working surface 15, the working surface 15 is used for placing a bar code (namely a bar code symbol), and during detection, the laser tube 20 forms a light beam through the measuring light hole and irradiates the bar code symbol (printed on the surface of a printed product) placed on the working surface 15.
The electrical appliance box 10 comprises a main power supply, a core board and an interface board, wherein the main power supply is respectively connected with a power socket 24, the core board and the interface board, the interface board is respectively connected with a direct current motor, a laser tube limit sensor (namely a scanning head limit position groove type optocoupler), a grating reading head 21, a laser tube 20, a photoelectric amplifier, a workbench limit sensor (namely a workbench limit position groove type optocoupler) and a stepping motor, a stepping motor power supply is respectively connected with the stepping motor and the power socket 24, and the core board is connected with a computer through a USB interface 25. The model of the main Power supply is Power-317, the model of the Core board is Core-841, the model of the interface board is Driver-548, the models of the laser tube limit sensor and the workbench limit sensor are ITR8402, the model of the grating reading head 21 is RGH24D50F00A, and the model of the photoelectric amplifier is GD81 PIN-FET.
The photo amplifier may also be referred to as a photosensor, or the like.
The electrical box 10 adopts a modular design, and the electrical box 10 is connected with the computer 1 into a whole through the USB port 25 and a cable.
The dimension values of the bar code comprise the length of the bar code and the height of the bar code, the length of the bar code can be obtained by measuring the longitudinal displacement of a probe seat 23 through a grating reading head 21 and a scale grating 22, the height of the bar code can be obtained by matching a stepping motor, a laser tube 20 and a photoelectric amplifier, concretely, the photoelectric amplifier detects an optical signal, which indicates that a light beam emitted by the laser tube 20 irradiates on the bar code, the photoelectric amplifier cannot detect the optical signal, and indicates that the light beam emitted by the laser tube 20 does not irradiate on the bar code, according to the principle, the worktable 13 is controlled to transversely move through the stepping motor, the photoelectric amplifier cannot detect the optical signal firstly in the moving process, then detects the optical signal, and finally cannot detect the optical signal, the pulse number required by driving the stepping motor to act in the process of detecting the optical signal is obtained, and the transverse moving distance of the worktable 13 is calculated through the pulse number, thereby obtaining the bar height of the bar code.
The bar code printing quality detection process comprises the following steps:
s1 the computer 1 equally divides the bar code detection zone into N detection areas according to the bar height of the bar code on the workbench 13;
s2 a probe holder 23 of a barcode detector mainframe longitudinally moves under the control of the computer 1, and a laser tube 20 synchronously moving with the probe holder 23 emits a light beam under the control of the computer 1, the light beam is reflected by a single detection area and then irradiates a photoelectric amplifier synchronously moving with the probe holder 23, the photoelectric amplifier converts an optical signal into an electrical signal and transmits the electrical signal to the computer 1, a grating reading head 21 synchronously moving with the probe holder 23 measures a fixed scale grating 22, converts a measured length signal into an electrical pulse signal and transmits the electrical pulse signal to the computer 1, thereby providing a basis for the computer 1 to calculate a size value of the barcode;
s3, the computer 1 calculates the reflectivity value of each bar or each space in the bar code according to the electric signal, and draws a reflectivity curve, and the quality grade of the bar code is obtained through the reflectivity curve;
s4 the work bench 13 in the host computer of the bar code detector moves laterally under the control of the computer 1 until the next detection area is irradiated by the light beam emitted from the laser tube 20;
s5 repeating S2-S3 until all N detection areas are detected, obtaining N quality grades, and the computer 1 calculates the average value of the N quality grades as the final quality grade of the bar code.
When the system is used, the computer 1 transmits a control command to a core board of the electrical appliance box 10 through the USB port 25, the core board drives a stepping motor to act through an interface board and drives a workbench to move transversely, a light beam is emitted through the laser tube 20, then the bar height of a bar code is automatically measured in the transverse movement process of the workbench, the computer 1 divides a detection band of the bar code into N detection areas according to the bar height and the preset measurement times N and according to the regulation of GB/T18348 'inspection of printing quality of commodity bar code symbols', and detects each detection area in sequence, the detection process is specifically that the computer transmits the control command to the core board of the electrical appliance box through the USB port 25, the core board drives a direct current motor to act through the interface board and drives the longitudinal sliding block 17 to move longitudinally, the grating reading head 21, the laser tube 20, the probe seat 23 and the photoelectric amplifier move synchronously along with the longitudinal sliding block 17, the light beam formed by the laser tube 20 through the measuring light hole scans each bar and each space of the bar code symbol on the working surface 15 in turn, after the light beam is reflected by the bar code symbol, the reflected light is received by the photoelectric amplifier in the probe seat 23 and converted into an electric signal, at the same time, the grating reading head 21 measures the scale grating 22 and converts the measured length signal into an electric pulse signal, the two signals (i.e. the electric signal and the electric pulse signal) are simultaneously sent into the core board through the interface board, processed by the core board and then sent into the computer 1 through the USB port 25, the computer 1 calculates the reflectivity value, size value and other parameter values related to the printing quality of the bar code symbol according to the data of the two signals, draws the reflectivity curve of the scanning path on the display screen of the computer 1 at the right moment, and calculates the analysis and evaluation results of the printing quality of the tested bar code symbol according to the national and international inspection standards of the printed products of the bar code symbol.
In conclusion, by means of the technical scheme of the utility model, the degree of automation is high, the automatic movement of the probe seat can be realized, and the manual participation is effectively reduced; the system can automatically realize the size measurement and N times of detection of the bar code after being connected with a computer, the scanning path intervals are uniform and equal, the overall printing quality of the detected bar code is more comprehensively and accurately detected and evaluated, the human intervention is eliminated, the detection efficiency is improved, and the defects that the prior domestic and foreign bar code detector host machine completes the N times of detection of the bar code symbol by manually moving a probe seat or the bar code symbol, the scanning path intervals are uneven, the detection efficiency is low, the human intervention is easy, the overall printing quality of the detected bar code symbol cannot be comprehensively and accurately evaluated, and the like are completely overcome; a plurality of bar code symbols can be placed on the workbench for detection at the same time, and the detection result of each detected bar code symbol can be respectively given, so that the detection mode that a host of a bar code detector produced at home and abroad can only detect one bar code symbol at a time is thoroughly changed.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a bar code detector host computer, its characterized in that includes but lateral shifting's workstation (13) and is located but workstation (13) top and longitudinal movement's probe seat (23), workstation (13) are through first drive mechanism connection first driving motor (6), probe seat (23) are through second drive mechanism connection second driving motor (19), laser pipe (20) and photoelectric amplifier have set firmly on probe seat (23), the light beam that laser pipe (20) sent is placed shine after the bar code reflection on workstation (13) on the photoelectric amplifier.
2. The barcode detector host of claim 1, further comprising a bottom plate (8), wherein the top of the bottom plate (8) is fixedly connected with a transverse slide rail (12) and a longitudinal guide rail bracket (11) respectively, the transverse slide rail (12) is slidably connected with a transverse slider, the top of the transverse slider is fixedly connected with the bottom of the workbench (13), the longitudinal guide rail bracket (11) is fixedly connected with a longitudinal guide rail (16), the longitudinal guide rail (16) is slidably connected with a longitudinal slider (17), and the bottom of the longitudinal slider (17) is fixedly connected with the top of the probe holder (23).
3. The barcode detector host of claim 2, wherein the longitudinal slide (17) is further fixedly connected with a grating reading head (21), and the longitudinal guide rail (16) is fixedly connected with a scale grating (22) corresponding to the grating reading head (21).
4. The host computer of claim 1, wherein the first and second actuators are ball screw and nut assemblies.
5. The host computer of claim 4, wherein the ball nut of the first transmission mechanism is fixedly connected with a nut bracket (5), and the top of the nut bracket (5) is fixedly connected with the bottom of the worktable (13).
6. The barcode detector host of claim 1, wherein the first drive motor (6) is a stepper motor and the second drive motor (19) is a dc motor.
7. The barcode detector host of claim 1, wherein the laser tube (20) is provided with an aperture adjustment knob (14).
8. The barcode detector host of claim 2, wherein the base plate (8) is further detachably connected with a dust cover (7), and the worktable (13) and the probe base (23) are both located inside the dust cover (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020151150.3U CN212989199U (en) | 2020-02-04 | 2020-02-04 | Bar code detector host |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020151150.3U CN212989199U (en) | 2020-02-04 | 2020-02-04 | Bar code detector host |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212989199U true CN212989199U (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020151150.3U Active CN212989199U (en) | 2020-02-04 | 2020-02-04 | Bar code detector host |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212989199U (en) |
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2020
- 2020-02-04 CN CN202020151150.3U patent/CN212989199U/en active Active
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