CN205809879U - Bar code scanner - Google Patents
Bar code scanner Download PDFInfo
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- CN205809879U CN205809879U CN201620522569.9U CN201620522569U CN205809879U CN 205809879 U CN205809879 U CN 205809879U CN 201620522569 U CN201620522569 U CN 201620522569U CN 205809879 U CN205809879 U CN 205809879U
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- bar code
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- electrical switch
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Abstract
A kind of bar code scanner, including a bar code recognition unit for scanning the bar code information in a bar code, also includes: micro-control unit, described micro-control unit is for judging whether the bar code information of described bar code meets first condition；One memory element, described memory element is connected with described micro-control unit, and described memory element is used for storing data and reads for described micro-control unit；One phonation unit, described phonation unit is connected with described micro-control unit, and described phonation unit is for receiving the signal of described micro-control unit；When the bar code information that described micro-control unit judges described bar code does not meets first condition, described micro-control unit exports the first alarm signal extremely described phonation unit, and after described phonation unit receives described first alarm signal, sounding is reported to the police.
Description
Technical field
This utility model relates to a kind of bar code scanner.
Background technology
Barcode scanner, is also called bar code reading device, bar code scan rifle, bar code scanner, barcode scanner and bar
Code reader.It is the arrangement for reading for reading the comprised information of bar code, utilizes optical principle, the content solution of bar code
Pass through data wire after Ma or be wirelessly transferred to computer or other equipment.Barcode scanner is widely used in business
The demand in multiple fields such as POS POS, express delivery, storage, logistics, books, medicine.
After existing barcode scanner scanning barcode, user cannot learn that the bar code information that scanning obtains is the most correct, i.e.
User needs to judge that the bar code information that barcode scanner scanning obtains is the most correct by other devices, it is impossible to directly pass through bar
Code scanning device obtains correct judgement.
Utility model content
More than in view of, it is necessary to provide a kind of bar code scanner so that user can directly be sentenced by bar code scanner
The data of disconnected scanning are the most correct.
A kind of bar code scanner, including a bar code recognition unit for scanning the bar code information in a bar code, also includes:
Micro-control unit, described micro-control unit is for judging whether the bar code information of described bar code meets first condition；One storage is single
Unit, described memory element is connected with described micro-control unit, and described memory element is used for storing data for described micro-control unit
Read；One phonation unit, described phonation unit is connected with described micro-control unit, and described phonation unit is used for receiving described micro-
The signal of control unit；When the bar code information that described micro-control unit judges described bar code does not meets first condition, described micro-
Control unit exports the first alarm signal and receives sounding after described first alarm signal to described phonation unit, described phonation unit
Report to the police.
Further, described bar code scanner also includes a display unit, described display unit and described microcontroller
Unit is connected, and described display unit is for receiving the signal of described control unit；When described micro-control unit judges described bar code
Bar code information when not meeting first condition, described micro-control unit exports the second alarm signal to described display unit, described
Display unit shows preset alarm information after receiving described second alarm signal.
Further, described sound-producing device includes a buzzer.
Further, described sound-producing device also includes the first to the 3rd electrical switch and the first to the 3rd resistance, wherein
First end of described first electrical switch is connected to described micro-control unit by the first resistance, the of described first electrical switch
Two ends are connected to one first voltage end to receive the first voltage, and the 3rd end of described first electrical switch passes through described second resistance
Ground connection, the 3rd end of described first electrical switch is connected to the first end of described second electrical switch, institute also by the 3rd resistance
The second end stating the second electrical switch is connected to the first end of described buzzer, the 3rd end ground connection of described second electrical switch,
First end of described 3rd electrical switch connects described micro-control unit, and the second end of described 3rd electrical switch links described honeybee
First end of ring device, the 3rd end ground connection of described 3rd electrical switch, the second end of described buzzer is connected to one second voltage
End is to receive the second voltage.
Further, described first electrical switch is NPN audion, corresponding three poles of the first end of described first electrical switch
The base stage of pipe, the colelctor electrode of the second end correspondence audion of described first electrical switch, the 3rd end of described first electrical switch
The emitter stage of corresponding audion.
Further, described second electrical switch and the 3rd electrical switch are PNP triode, second and third electronics described
The base stage of the first end correspondence audion of switch, the current collection of the second end correspondence audion of second and third electrical switch described
Pole, the emitter stage of the 3rd end correspondence audion of second and third electrical switch described.
Further, described micro-control unit is the STM32F030C8 type microcontroller that ST Microelectronics produces.
This utility model bar code scanner is by by the bar code information received and some standard bar code information of storage
Export feedback information after comparing and control described phonation unit and described display unit, described phonation unit and described display list
The data that unit collects according to the signal sounding received and luminous prompting respectively are the most correct so that user can quickly judge institute
The bar code information belonging to bar code scanner scanning is the most correct.
Accompanying drawing explanation
Fig. 1 is the block diagram of the better embodiment of this utility model bar code scanner.
Fig. 2 is the circuit diagram of the better embodiment of phonation unit in Fig. 1.
Detailed description of the invention
Refer to Fig. 1, the better embodiment of this utility model bar code scanner 100 includes a bar code recognition unit
110, micro-control unit 120, memory element 130, phonation unit 140 and a display unit 150.
Described micro-control unit 120 connects described bar code recognition unit 110, described memory element 130, described sounding respectively
Unit 140 and described display unit 150.
Described bar code recognition unit 110 is for identifying a bar code 300, and described bar code recognition unit 100 is for by described bar
The bar code information of code 300 is by the first signal output extremely described micro-control unit 120.
Described micro-control unit 120 receives described first signal, and described micro-control unit 120 is connect by described first signal
Receive the bar code information of described bar code 300.Whether described micro-control unit 120 is additionally operable to judge the bar code information of described bar code 300
Meet first condition.
In one embodiment, described bar code information includes some characters, some characters of described bar code information it
Between there is certain rule.In the bar code checkout procedure of particular batch, between described some characters of described bar code information
Rule is converted into a preset formula and is stored in described memory element 130, and described micro-control unit 120 is by verifying described bar
Whether described some characters of code information meet the described preset formula stored in described memory element 130 to verify described bar
Whether code 300 meets the requirements.
In one embodiment, described memory element 130 is for storing all bar code information in particular batch.Described micro-
The bar code information of described bar code 300 is compared by control unit 120 with the bar code information of storage in described memory element 130,
If there is identical bar code information, described micro-control unit 120 judges that the bar code information of described bar code 300 meets the requirements.
In present embodiment, when described micro-control unit 120 judges that the bar code information of described bar code 300 meets first condition
Time, described micro-control unit 120 sends the first confirmation signal to described phonation unit 140, and described micro-control unit 120 sends the
Two confirmation signals are to described display unit 150.
In present embodiment, when described micro-control unit 120 judges that the bar code information of described bar code 300 does not meets Article 1
During part, described micro-control unit 120 sends the first alarm signal extremely described phonation unit 140, and described micro-control unit 120 sends
Second alarm signal is to described display unit 150.
In one embodiment, judge that the bar code information of described bar code 300 meets Article 1 when described micro-control unit 120
During part, described for control phonation unit 140 and described display unit 150 are not operated by described micro-control unit 120.When described
Micro-control unit 120 judges when the bar code information of described bar code 300 does not meets first condition, and described micro-control unit 120 will control
Make described phonation unit 140 and described display unit 150 is operated.
In one embodiment, judge that the bar code information of described bar code 300 meets Article 1 when described micro-control unit 120
During part, described for control phonation unit 140 and described display unit 150 are operated by described micro-control unit 120.When described micro-
Control unit 120 judges when the bar code information of described bar code 300 does not meets first condition, and described micro-control unit 120 will control
Described phonation unit 140 and described display unit 150 are not operated.
In present embodiment, when described phonation unit 140 receives described first confirmation signal, described phonation unit 140
Send the bar code information of bar code 300 described in sound instruction user eligible.
In present embodiment, when described display unit 150 receives described second confirmation signal, described display unit 150
Display content is eligible with the bar code information of bar code 300 described in instruction user.
In present embodiment, when described phonation unit 140 receives described first alarm signal, described phonation unit 140
Send sound ineligible with the bar code information of bar code 300 described in warning user.
In present embodiment, when described display unit 150 receives described second alarm signal, described display unit 150
Display content is ineligible with the bar code information of bar code 300 described in warning user.
Refer to Fig. 2, in Fig. 1, the better embodiment of phonation unit 140 includes the first electrical switch Q1, the second electronic cutting
Close Q2, the 3rd electrical switch Q3, the first voltage end V1, the second voltage end V2, buzzer 1401, resistance R1, resistance R2 and electricity
Resistance R3.
First end of described first electrical switch Q1 is connected to described micro-control unit 120 by resistance R1.Described first
Second end of electrical switch Q1 is connected to described first voltage end V1 to receive the first voltage, the of described first electrical switch Q1
Three ends pass through described resistance R2 ground connection.3rd end of described first electrical switch Q1 is connected to described second electricity also by resistance R3
First end of son switch Q2.
Second end of described second electrical switch Q2 is connected to the first end of described buzzer 1401, described second electronic cutting
Close the 3rd end ground connection of Q2.
First end of described 3rd electrical switch Q3 connects described micro-control unit 120.Described 3rd electrical switch Q3's
Second end links the first end of described buzzer 1401, the 3rd end ground connection of described 3rd electrical switch Q3.
Second end of described buzzer 1401 is connected to described second voltage end V2 to receive the second voltage.
When the bar code information that described micro-control unit 120 judges described bar code 300 meets first condition, described microcontroller
Unit 120 exports first end of a high level signal extremely described first electrical switch Q1.The first of described first electrical switch Q1
End is high level, and second end of described first electrical switch Q1 receives the first voltage, the 3rd end of described first electrical switch Q1
By resistance R2 ground connection.Described first electrical switch Q1 conducting, second end of described first electrical switch Q1 and the 3rd end are connected.
First end of described second electrical switch Q2 is high level, described second electrical switch Q2 cut-off, described buzzer 1401 not work
Make.First end of described 3rd electrical switch Q3 is high level, described 3rd electrical switch Q3 cut-off.
When the bar code information that described micro-control unit 120 judges described bar code 300 does not meets first condition, described micro-control
Unit 120 processed exports first end of a low level signal extremely described first electrical switch Q1.The of described first electrical switch Q1
One end is low level, and second end of described first electrical switch Q1 receives the first voltage, the 3rd of described first electrical switch Q1
End is by resistance R2 ground connection.Described first electrical switch Q1 cut-off.First end of described second electrical switch Q2 is low level, institute
Stating the second electrical switch Q2 conducting, second end of described second electrical switch Q2 and the 3rd end are connected, described buzzer 1401 work
Make to point out abnormal.First end of described 3rd electrical switch Q3 is low level, described 3rd electrical switch Q3 conducting, described the
Second end of three electrical switch Q3 and the 3rd end are connected.
In present embodiment, described first electrical switch Q1 is NPN type triode, described second electrical switch Q2 and the 3rd
Electrical switch Q3 is PNP type triode.The base stage of the first end correspondence audion of described first to the 3rd electrical switch, the second end
The colelctor electrode of corresponding audion, the emitter stage of the 3rd end correspondence audion.
In present embodiment, described micro-control unit 120 can be that the STM32F030C8 type that ST Microelectronics produces is micro-
Controller.
In one embodiment, when described micro-control unit 120 judges that described bar code information meets first condition, described
Phonation unit 140 sends a certain voice message, and such as " correctly ", the most described display unit 150 sends the prompting of a certain color light,
Such as green；When described micro-control unit 120 judges that described bar code information does not meets first condition, described phonation unit
140 send another voice message, and such as " mistake ", the most described display unit 150 sends the prompting of another color light, such as red colored lamp
Light.
This utility model bar code scanner 100 is by believing some standard bar codes of the bar code information received and storage
Breath exports feedback information after comparing and controls described phonation unit 140 and described display unit 150, described phonation unit 140
It is the most correct with the bar code information that described display unit 150 collects according to the signal sounding received and luminous prompting respectively,
The bar code information making user can quickly judge that bar code scanner 100 scanning obtains is the most correct.
Claims (7)
1. a bar code scanner, including a bar code recognition unit for scanning the bar code information in a bar code, also includes:
Micro-control unit, described micro-control unit is for judging whether the bar code information of described bar code meets first condition；One storage is single
Unit, described memory element is connected with described micro-control unit, and described memory element is used for storing data for described micro-control unit
Read；One phonation unit, described phonation unit is connected with described micro-control unit, and described phonation unit is used for receiving described micro-
The signal of control unit；When the bar code information that described micro-control unit judges described bar code does not meets first condition, described micro-
Control unit exports the first alarm signal and receives sounding after described first alarm signal to described phonation unit, described phonation unit
Report to the police.
2. bar code scanner as claimed in claim 1, also includes a display unit, described display unit and described microcontroller
Unit is connected, and described display unit is for receiving the signal of described micro-control unit；When described micro-control unit judges described bar
When the bar code information of code does not meets first condition, described micro-control unit exports the second alarm signal to described display unit, institute
State after display unit receives described second alarm signal and show preset alarm information.
3. bar code scanner as claimed in claim 1, it is characterised in that: described sound-producing device includes a buzzer.
4. bar code scanner as claimed in claim 3, it is characterised in that: described sound-producing device also includes the first to the 3rd electricity
Son switch and the first to the 3rd resistance, the first end of wherein said first electrical switch is connected to described micro-by the first resistance
Control unit, the second end of described first electrical switch is connected to one first voltage end to receive the first voltage, described first electricity
3rd end of son switch is by described second resistance eutral grounding, and the 3rd end of described first electrical switch connects also by the 3rd resistance
In the first end of described second electrical switch, the second end of described second electrical switch is connected to the first end of described buzzer,
3rd end ground connection of described second electrical switch, the first end of described 3rd electrical switch connects described micro-control unit, described
First end of the second end described buzzer of link of the 3rd electrical switch, the 3rd end ground connection of described 3rd electrical switch is described
Second end of buzzer is connected to one second voltage end to receive the second voltage.
5. bar code scanner as claimed in claim 4, it is characterised in that: described first electrical switch is NPN audion, institute
State the base stage of the first end correspondence audion of the first electrical switch, the collection of the second end correspondence audion of described first electrical switch
Electrode, the emitter stage of the 3rd end correspondence audion of described first electrical switch.
6. bar code scanner as claimed in claim 4, it is characterised in that: described second electrical switch and the 3rd electrical switch
For PNP triode, the base stage of the first end correspondence audion of second and third electrical switch described, second and third electronics described
The colelctor electrode of the second end correspondence audion of switch, the transmitting of the 3rd end correspondence audion of second and third electrical switch described
Pole.
7. bar code scanner as claimed in claim 1, it is characterised in that: described micro-control unit is ST Microelectronics
The STM32F030C8 type microcontroller produced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620522569.9U CN205809879U (en) | 2016-06-01 | 2016-06-01 | Bar code scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620522569.9U CN205809879U (en) | 2016-06-01 | 2016-06-01 | Bar code scanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205809879U true CN205809879U (en) | 2016-12-14 |
Family
ID=57501284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620522569.9U Active CN205809879U (en) | 2016-06-01 | 2016-06-01 | Bar code scanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205809879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107451499A (en) * | 2016-06-01 | 2017-12-08 | 曾平桂 | Bar code scanning method and device |
| CN109426756A (en) * | 2017-09-04 | 2019-03-05 | 杭州海康威视数字技术股份有限公司 | A kind of error-checking method and device of bar code recognition result |
-
2016
- 2016-06-01 CN CN201620522569.9U patent/CN205809879U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107451499A (en) * | 2016-06-01 | 2017-12-08 | 曾平桂 | Bar code scanning method and device |
| CN109426756A (en) * | 2017-09-04 | 2019-03-05 | 杭州海康威视数字技术股份有限公司 | A kind of error-checking method and device of bar code recognition result |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |