CN210955107U - Scanning identification system of one-dimensional code and two-dimensional code - Google Patents
Scanning identification system of one-dimensional code and two-dimensional code Download PDFInfo
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- CN210955107U CN210955107U CN202020139549.XU CN202020139549U CN210955107U CN 210955107 U CN210955107 U CN 210955107U CN 202020139549 U CN202020139549 U CN 202020139549U CN 210955107 U CN210955107 U CN 210955107U
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Abstract
The utility model discloses a scanning identification system of one-dimensional code and two-dimensional code, include: the multi-angle reflective focusing lens module is used for dividing the laser beam and acquiring a one-dimensional code image signal; a sensor for converting the one-dimensional code image optical signal into an analog signal; the cutting contrast circuit converts an analog signal into a digital signal and transmits the digital signal to the high-speed signal processor, the high-speed signal processor analyzes and decodes the digital signal and transmits the digital signal to the main processor, the two-dimensional sampling module captures and collects two-dimensional code image optical signals, the image sensor converts the two-dimensional code image optical signals into the digital signal, and the digital signal is transmitted to the main processor to be decoded. The utility model discloses a host processor and high-speed signal processor gather the decoding to two-dimensional code and one-dimensional code alone respectively, can satisfy multitask processing and multitask computational environment's requirement, and same system both can discern one-dimensional code and two-dimensional code, can improve the speed of gathering the decoding again, and recognition speed is fast, and the range of application is wide.
Description
Technical Field
The utility model relates to an article code identification field specifically is the scanning identification system of one-dimensional code and two-dimensional code.
Background
The existing article codes mainly comprise two-dimensional codes (such as QR Code, PDF417, DataMatrix and Hanxin codes) and one-dimensional codes (such as bar codes), wherein a two-dimensional Code module is used for identifying and scanning the two-dimensional codes or the one-dimensional codes, and a one-dimensional module is used for identifying the one-dimensional codes. The scanning module for scanning the article code is mostly installed on various handheld scanning guns or scanning platforms, and corresponding article information or payment information is acquired by scanning and recognizing the graphic bar code identifier. Because of the length of one-dimensional code (bar code) is longer, and the identification area of two-dimensional code module is less, can't all scan complete one-dimensional code (bar code), lead to the discernment failure, need carry out adjustment scanning many times, the operation is complicated to the speed that one-dimensional code was deciphered in two-dimensional code module discernment is slower, is far away from speed and the precision that one-dimensional module discernment was deciphered.
In the field of the current scanning system, different systems are needed to respectively complete scanning of the two-dimensional code and the one-dimensional code; this requires two independent ports to connect two devices to scan the one-dimensional code and the two-dimensional code, respectively. Two devices occupy two interfaces, and the connection and management are complex, thereby causing waste.
SUMMERY OF THE UTILITY MODEL
The utility model provides a can switch scanning identification system of scanning between one-dimensional code and two-dimensional code.
Scanning identification system of one-dimensional code and two-dimensional code, include:
the multi-angle reflection focusing lens module can scatter a single laser beam into a plurality of laser lines, is used for collecting one-dimensional code image optical signals and transmits the one-dimensional code image optical signals to the sensor through an optical channel;
the sensor converts the one-dimensional code image optical signal into an analog signal, amplifies the analog signal and transmits the analog signal to the signal cutting comparison circuit;
the signal cutting and comparing circuit converts the analog signal into an effective digital signal and transmits the effective digital signal to the high-speed signal processor;
the high-speed signal processor can send a control signal to the laser emitting diode to emit laser, and analyzes and decodes the analog signal converted by the sensor and transmits the analog signal to the main processor;
a laser emitting diode that can emit a laser beam;
the two-dimensional sampling module is used for capturing and collecting two-dimensional code image optical signals and transmitting the two-dimensional code image optical signals to the image sensor through the optical channel;
the image sensor converts the two-dimensional code image optical signals into digital signals with corresponding proportional relation and transmits the digital signals to the main processor through the direct memory read-write channel;
and the main processor can send a control signal to the image sensor to control the two-dimensional sampling module to collect optical signals, decode digital signals transmitted by the image sensor, receive one-dimensional code information transmitted by the high-speed signal processor, and perform power supply and communication connection with an upper computer through a scanner connecting port.
The scanning and identifying system for the one-dimensional code and the two-dimensional code divides a single laser beam into a plurality of laser lines through the multi-angle reflection focusing lens module, so that the laser scanning area can be increased, and the scanning and identifying speed can be improved. The high-speed signal processor sends a control signal to acquire and decode the one-dimensional code, and the signal cutting and comparing circuit can convert the analog signal of the multi-line laser into an effective digital signal, so that the high-speed signal processor can conveniently analyze and recognize the signal and send the decoded information of the one-dimensional code to the main processor; the main processor sends a control signal to collect and decode the two-dimensional code, and the main processor sends the one-dimensional code information or the two-dimensional code information to the upper computer through the scanner port in a unified mode, so that the one-dimensional code and the two-dimensional code are controlled to be scanned and decoded quickly by the same system. The utility model discloses a host processor and high-speed signal processor gather the decoding to two-dimensional code and one-dimensional code alone respectively, can satisfy multitask processing and multitask computational environment's requirement, and same system both can discern one-dimensional code and two-dimensional code, can improve the speed of gathering the decoding again, and recognition speed is fast, and the range of application is wide.
Drawings
Fig. 1 is a block diagram of a scanning identification system for one-dimensional codes and two-dimensional codes.
Fig. 2 is a block diagram of a scanning identification system for one-dimensional codes and two-dimensional codes.
Detailed Description
As shown in fig. 1, a scanning and identifying system for a one-dimensional code and a two-dimensional code includes:
the multi-angle reflection focusing lens module can scatter a single laser beam into a plurality of laser lines, is used for collecting one-dimensional code image optical signals and transmits the one-dimensional code image optical signals to the sensor through an optical channel;
the sensor converts the one-dimensional code image optical signal into an analog signal, amplifies the analog signal and transmits the analog signal to the signal cutting comparison circuit;
the signal cutting and comparing circuit converts the analog signal into an effective digital signal and transmits the effective digital signal to the high-speed signal processor;
the high-speed signal processor can send a control signal to the laser emitting diode to emit laser, and analyzes and decodes the analog signal converted by the sensor and transmits the analog signal to the main processor;
a laser emitting diode that can emit a laser beam;
the two-dimensional sampling module is used for capturing and collecting two-dimensional code image optical signals and transmitting the two-dimensional code image optical signals to the image sensor through the optical channel;
the image sensor converts the two-dimensional code image optical signals into digital signals with corresponding proportional relation and transmits the digital signals to the main processor through the direct memory read-write channel;
and the main processor can send a control signal to the image sensor to control the two-dimensional sampling module to collect optical signals, decode digital signals transmitted by the image sensor, receive one-dimensional code information transmitted by the high-speed signal processor, and perform power supply and communication connection with an upper computer through a scanner connecting port.
The scanning and identifying system for the one-dimensional code and the two-dimensional code divides a single laser beam into a plurality of laser lines through the multi-angle reflection focusing lens module, so that the laser scanning area can be increased, and the scanning and identifying speed can be improved. The high-speed signal processor sends a control signal to acquire and decode the one-dimensional code, and the signal cutting and comparing circuit can convert the analog signal of the multi-line laser into an effective digital signal, so that the high-speed signal processor can conveniently analyze and recognize the signal and send the decoded information of the one-dimensional code to the main processor; the main processor sends a control signal to collect and decode the two-dimensional code, and the main processor sends the one-dimensional code information or the two-dimensional code information to the upper computer through the scanner port in a unified mode, so that the one-dimensional code and the two-dimensional code are controlled to be scanned and decoded quickly by the same system. The utility model discloses a host processor and high-speed signal processor gather the decoding to two-dimensional code and one-dimensional code alone respectively, can satisfy multitask processing and multitask computational environment's requirement, and same system both can discern one-dimensional code and two-dimensional code, can improve the speed of gathering the decoding again, and recognition speed is fast, and the range of application is wide.
The scanner connecting port is in bidirectional communication connection with the main processor through a USB or RS232, and is also connected with a power management integrated circuit to supply power to the whole equipment system.
As shown in fig. 2, in the scanning system for the one-dimensional code and the two-dimensional code, the main processor is further connected to a key switch. And starting the system through a key switch, and driving the main processor or the auxiliary processor to scan and identify the one-dimensional code or the two-dimensional code.
The main processor is also connected with a double-color status indicator lamp through a signal line. The working state of the system is displayed through the double-color state indicating lamp, and the fact that the system is recognizing the one-dimensional code or recognizing the two-dimensional code is displayed.
And the main processor is also connected with a buzzer through a signal line.
In the scanning system of the one-dimensional code and the two-dimensional code, the sensor is a photodiode sensor. The one-dimensional code can be rapidly scanned, an optical signal is converted into an analog signal, the signal is amplified and transmitted to the signal cutting and comparing circuit to be converted into a digital signal, and the high-speed signal processor can conveniently perform analysis processing.
In the scanning system of the one-dimensional code and the two-dimensional code, the two-dimensional sampling module is a framing optical lens, and the image sensor is a two-dimensional complementary metal oxide semiconductor.
Claims (6)
1. The utility model provides a scanning identification system of one-dimensional code and two-dimensional code which characterized in that includes:
the multi-angle reflection focusing lens module can scatter a single laser beam into a plurality of laser lines, is used for collecting one-dimensional code image optical signals and transmits the one-dimensional code image optical signals to the sensor through an optical channel;
the sensor converts the one-dimensional code image optical signal into an analog signal, amplifies the analog signal and transmits the analog signal to the signal cutting comparison circuit;
the signal cutting and comparing circuit converts the analog signal into an effective digital signal and transmits the effective digital signal to the high-speed signal processor;
the high-speed signal processor can send a control signal to the laser emitting diode to emit laser, and analyzes and decodes the analog signal converted by the sensor and transmits the analog signal to the main processor;
a laser emitting diode that can emit a laser beam;
the two-dimensional sampling module is used for capturing and collecting two-dimensional code image optical signals and transmitting the two-dimensional code image optical signals to the image sensor through the optical channel;
the image sensor converts the two-dimensional code image optical signals into digital signals with corresponding proportional relation and transmits the digital signals to the main processor through the direct memory read-write channel;
and the main processor can send a control signal to the image sensor to control the two-dimensional sampling module to collect optical signals, decode digital signals transmitted by the image sensor, receive one-dimensional code information transmitted by the high-speed signal processor, and perform power supply and communication connection with an upper computer through a scanner connecting port.
2. The system for scanning and recognizing one-dimensional codes and two-dimensional codes according to claim 1, wherein said main processor is further connected with a key switch.
3. The system for scanning and recognizing one-dimensional codes and two-dimensional codes according to claim 1, wherein said main processor is further connected with a two-color status indicator lamp through a signal line.
4. The system for scanning and recognizing one-dimensional codes and two-dimensional codes according to claim 1, wherein said main processor is further connected to a buzzer through a signal line.
5. The system for scanning and recognizing one-dimensional code and two-dimensional code according to claim 1, wherein said sensor is a photodiode sensor.
6. The system for scanning and recognizing the one-dimensional code and the two-dimensional code according to claim 1, wherein the two-dimensional sampling module is a viewfinder optical lens, and the image sensor is a two-dimensional complementary metal oxide semiconductor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020139549.XU CN210955107U (en) | 2020-01-21 | 2020-01-21 | Scanning identification system of one-dimensional code and two-dimensional code |
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| CN202020139549.XU CN210955107U (en) | 2020-01-21 | 2020-01-21 | Scanning identification system of one-dimensional code and two-dimensional code |
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| CN210955107U true CN210955107U (en) | 2020-07-07 |
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