CN112612223B - Code scanning gun circuit - Google Patents
Code scanning gun circuit Download PDFInfo
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- CN112612223B CN112612223B CN202011412777.0A CN202011412777A CN112612223B CN 112612223 B CN112612223 B CN 112612223B CN 202011412777 A CN202011412777 A CN 202011412777A CN 112612223 B CN112612223 B CN 112612223B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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Abstract
The invention discloses a code scanning gun circuit which comprises integrated circuits U1-U4, a switch S1, inductors L2-L4, a buzzer B1, a triode Q4, capacitors C5, C7-C8, C10-C15, resistors R2-R4, R10 and R14 and a diode LED2, wherein the integrated circuits are arranged in the integrated circuits; pin 37 of integrated circuit U1 connects the first end of resistance R14, the base of triode Q4 is connected to the second end of resistance R14, the pin 2 of bee calling organ B1 is connected to triode Q4's collecting electrode, the first end of inductance L4 is connected to triode Q4's projecting pole, the second end of inductance L4 connects the pin 2 of integrated circuit U4 and the second end of electric capacity C15 respectively, the pin 3 of integrated circuit U3 is connected to the first end of electric capacity C15.
Description
Technical Field
The invention relates to the field of control, in particular to a code scanning gun circuit.
Background
The code scanning gun is a high-tech product which is closely combined with optical, mechanical, electronic, software application and other technologies, and is a third-generation main computer input device behind a keyboard and a mouse. After the code scanning gun is born in the 80 s, the code scanning gun is rapidly developed and widely applied, and various drawing figures and manuscript data from the most direct pictures, photos and films can be input into a computer by the code scanning gun, so that the processing, management, use, storage or output of the image information amount are realized; the existing code scanning gun is generally connected with a computer and is fixed in position, the code scanning is not very convenient, and scanning failure can occur frequently when the code is scanned, so that the prior art has defects and needs improvement.
Disclosure of Invention
The present invention provides a code scanner circuit to solve the above-mentioned problems.
In a first aspect, the present disclosure provides the following technical solutions:
a code gun scanning circuit comprises integrated circuits U1-U4, a switch S1, inductors L2-L4, a buzzer B1, a triode Q4, capacitors C5, C7-C8, C10-C15, resistors R2-R4, R10 and R14 and a diode LED2; the pin 37 of the integrated circuit U1 is connected with the first end of a resistor R14, the second end of the resistor R14 is connected with the base electrode of a triode Q4, the collector electrode of the triode Q4 is connected with the pin 2 of a buzzer B1, the emitter electrode of the triode Q4 is connected with a 5V power supply, the first end of an inductor L4 is connected with a 3.3V power supply, the second end of the inductor L4 is respectively connected with the pin 2 of the integrated circuit U4 and the second end of a capacitor C15, the first end of the capacitor C15 is connected with the pin 3 of the integrated circuit U3, and the pin 1, the pin 4, the pin 5 and the pin 6 of the integrated circuit U3 are respectively correspondingly connected with the first end of a capacitor C12, the pin 8 of the integrated circuit U4, the first end of the capacitor C5 and the pin 9 of the integrated circuit U4; the integrated circuit U4 is characterized in that a pin 3 of the integrated circuit U4 is respectively connected with a second end of a capacitor C13 and a first end of an inductor L3, the first ends of the capacitor C13 are respectively connected with a second end of a capacitor C12 and a first end of an inductor L2, the second end of the inductor L2 is respectively connected with a first end of a capacitor C14, a second end of the inductor L3 and a pin 4 of an integrated circuit U4, a pin 10 of the integrated circuit U4 is connected with a first end of a capacitor C10-C11, the second ends of the capacitors C10-C11 and C14 and a pin 1 of a buzzer B1 are grounded, a pin 5 of the integrated circuit U1 and a pin 6 are respectively connected with the second ends of the capacitors C8 and C7, the first ends of the capacitors C7 and C8 are respectively connected with two ends of a transistor, a pin 51 of the integrated circuit U1 is connected with a second end of a switch S, a pin 20 of the integrated circuit U4 is connected with a second end of a resistor R2, a first end of the switch S and a first end of the capacitor C7-C8 are connected with a first end of the integrated circuit U8, a first end of the resistor U4 is connected with a first end of the integrated circuit U2 is connected with a pin 4, and a second end of the resistor R2 is connected with a second end of the integrated circuit U4 is connected with a second end of the resistor U2, and a second end of the resistor U2 is connected with a first end of the resistor R2 is connected with a second end of the resistor C3, and the resistor R2 is connected with a first end of the resistor C1 is connected with a terminal of the resistor C2.
With reference to the first aspect, in a second implementation manner of the first aspect, the integrated circuit U1 is of a model STM32F105RB, the integrated circuit U2 is of a model BOOT3X2, the integrated circuit U3 is of an model OPG2214, and the integrated circuit U4 is of a model SI4432.
With reference to the first aspect, in a third implementation manner of the first aspect, the capacitance of the capacitor C5 is 33pF, the capacitance of the capacitor C7-C8 is 24pF, the capacitance of the capacitor C10 is 0.1 μf, the capacitance of the capacitor C11 is 1 μf, the capacitance of the capacitor C12-C13 is 10pF, and the capacitance of the capacitor C14 is 4.7pF.
With reference to the first aspect, in a fourth implementation manner of the first aspect, the resistance values of the resistors R2-R4 are all 100kΩ, the resistance value of the resistor R10 is 330kΩ, and the resistance value of the resistor R14 is 1kΩ.
With reference to the first aspect, in a fifth implementation manner of the first aspect, the diode LED2 is a red light emitting diode.
With reference to the first aspect, in a sixth implementation manner of the first aspect, an inductance value of the inductor L2-L3 is 33nH, and an inductance value of the inductor L4 is 120nH.
According to the code scanning gun circuit, code scanning data are acquired through programming, and the data are interacted with an upper computer by means of the wireless transceiver module, so that the code scanning data acquisition and uploading are completed. The clock circuit provides a clock signal for the system, the antenna provides a transmission channel for wireless signals, and the circuit has fewer used components, saves the production cost of the code scanning gun, and has good market application value.
Drawings
For a clearer description of an embodiment or of a technical solution in the prior art, the drawings used in the description of the embodiment or of the prior art will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a diagram of a circuit harness construction of a code scanner according to the present invention.
Detailed Description
In order that the invention may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "fixed," "integrally formed," "left," "right," and the like are used herein for descriptive purposes only and in the drawings like elements are identified by the same reference numerals.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1, one embodiment provided by the present disclosure is:
a code gun scanning circuit comprises integrated circuits U1-U4, a switch S1, inductors L2-L4, a buzzer B1, a triode Q4, capacitors C5, C7-C8, C10-C15, resistors R2-R4, R10 and R14 and a diode LED2; the pin 37 of the integrated circuit U1 is connected with the first end of a resistor R14, the second end of the resistor R14 is connected with the base electrode of a triode Q4, the collector electrode of the triode Q4 is connected with the pin 2 of a buzzer B1, the emitter electrode of the triode Q4 is connected with a 5V power supply, the first end of an inductor L4 is connected with a 3.3V power supply, the second end of the inductor L4 is respectively connected with the pin 2 of the integrated circuit U4 and the second end of a capacitor C15, the first end of the capacitor C15 is connected with the pin 3 of the integrated circuit U3, and the pin 1, the pin 4, the pin 5 and the pin 6 of the integrated circuit U3 are respectively correspondingly connected with the first end of a capacitor C12, the pin 8 of the integrated circuit U4, the first end of the capacitor C5 and the pin 9 of the integrated circuit U4; the integrated circuit U4 is characterized in that a pin 3 of the integrated circuit U4 is respectively connected with a second end of a capacitor C13 and a first end of an inductor L3, the first ends of the capacitor C13 are respectively connected with a second end of a capacitor C12 and a first end of an inductor L2, the second end of the inductor L2 is respectively connected with a first end of a capacitor C14, a second end of the inductor L3 and a pin 4 of an integrated circuit U4, a pin 10 of the integrated circuit U4 is connected with a first end of a capacitor C10-C11, the second ends of the capacitors C10-C11 and C14 and a pin 1 of a buzzer B1 are grounded, a pin 5 of the integrated circuit U1 and a pin 6 are respectively connected with the second ends of the capacitors C8 and C7, the first ends of the capacitors C7 and C8 are respectively connected with two ends of a transistor, a pin 51 of the integrated circuit U1 is connected with a second end of a switch S, a pin 20 of the integrated circuit U4 is connected with a second end of a resistor R2, a first end of the switch S and a first end of the capacitor C7-C8 are connected with a first end of the integrated circuit U8, a first end of the resistor U4 is connected with a first end of the integrated circuit U2 is connected with a pin 4, and a second end of the resistor R2 is connected with a second end of the integrated circuit U4 is connected with a second end of the resistor U2, and a second end of the resistor U2 is connected with a first end of the resistor R2 is connected with a second end of the resistor C3, and the resistor R2 is connected with a first end of the resistor C1 is connected with a terminal of the resistor C2.
As shown in FIG. 1, in one embodiment, the integrated circuit U1 is of the type STM32F105RB, the integrated circuit U2 is of the type BOOT3X2, the integrated circuit U3 is of the type OPG2214, and the integrated circuit U4 is of the type SI4432.
In one embodiment, as shown in FIG. 1, the capacitance of the capacitor C5 is 33pF, the capacitance of the capacitors C7-C8 is 24pF, the capacitance of the capacitor C10 is 0.1 μF, the capacitance of the capacitor C11 is 1 μF, the capacitance of the capacitors C12-C13 is 10pF, and the capacitance of the capacitor C14 is 4.7pF.
In one embodiment, as shown in fig. 1, the resistances of the resistors R2-R4 are all 100kΩ, the resistance of the resistor R10 is 330kΩ, and the resistance of the resistor R14 is 1kΩ.
In one embodiment, as shown in fig. 1, the diode LED2 is a red light emitting diode.
In one embodiment, as shown in fig. 1, the inductance value of the inductors L2-L3 is 33nH, and the inductance value of the inductor L4 is 120nH.
The working principle of the invention is as follows:
the power supply circuit consists of 5V and 3.3V, and is used for respectively stabilizing voltage and filtering, so that the reliability of the power supply is ensured. The BOOT circuit may select a BOOT mode. When the code is scanned, the LED indicator lamp can be lightened, the code scanning circuit is indicated to work, the I/O port drives the buzzer through the triode, and when the code scanning is successful, a prompt tone can be sent. The circuit uploads the data scanned by the code scanning gun to the upper computer through the SI4432 wireless transceiver module. The main chip is a code scanning gun controller, code scanning data are acquired through programming, and the data are interacted with an upper computer by means of a wireless transceiver module, so that the code scanning data acquisition and uploading are completed. The clock circuit provides a clock signal for the system and the antenna provides a transmission channel for the wireless signal.
The above-described features are continuously combined with each other to form various embodiments not listed above, and are regarded as the scope of the present invention described in the specification; and, it will be apparent to those skilled in the art from this disclosure that modifications and variations can be made without departing from the scope of the invention defined in the appended claims.
Claims (6)
1. The code scanning gun circuit is characterized by comprising integrated circuits U1-U4, a switch S1, inductors L2-L4, a buzzer B1, a triode Q4, capacitors C5, C7-C8, C10-C15, resistors R2-R4, R10 and R14 and a diode LED2; the pin 37 of the integrated circuit U1 is connected with the first end of a resistor R14, the second end of the resistor R14 is connected with the base electrode of a triode Q4, the collector electrode of the triode Q4 is connected with a pin 2 of a buzzer B1, the emitter electrode of the triode Q4 is connected with a 5V power supply, the first end of an inductor L4 is connected with a 3.3V power supply, the second end of the inductor L4 is respectively connected with the pin 2 of the integrated circuit U4 and the second end of a capacitor C15, the first end of the capacitor C15 is connected with the pin 3 of the integrated circuit U3, and the pin 1, the pin 4, the pin 5 and the pin 6 of the integrated circuit U3 are respectively correspondingly connected with the first end of a capacitor C12, the pin 8 of the integrated circuit U4, the first end of a capacitor C5 and the pin 9 of the integrated circuit U4, and the second end of the capacitor C5 is connected with an antenna ANT1; the integrated circuit U4 is characterized in that a pin 3 of the integrated circuit U4 is respectively connected with a second end of a capacitor C13 and a first end of an inductor L3, the first ends of the capacitor C13 are respectively connected with a second end of a capacitor C12 and a first end of an inductor L2, the second end of the inductor L2 is respectively connected with a first end of a capacitor C14, a second end of the inductor L3 and a pin 4 of an integrated circuit U4, a pin 10 of the integrated circuit U4 is connected with a first end of a capacitor C10-C11, the second ends of the capacitors C10-C11 and C14 and a pin 1 of a buzzer B1 are grounded, a pin 5 of the integrated circuit U1 and a pin 6 are respectively connected with the second ends of a capacitor C8 and a pin 7, the second ends of the capacitors C7 and C8 are respectively connected with two ends of a crystal oscillator tube, a pin 51 of the integrated circuit U1 is connected with a second end of a switch S1, a pin 20 of the integrated circuit U4 is connected with a second end of a resistor R2, a first end of the switch S1 and a first end of the capacitor C7 and a first end of the capacitor C8 are connected with a first end of the resistor C7 and a pin 4 are connected with a first end of the integrated circuit U4, a second end of the resistor R2 is connected with a second end of the integrated circuit U2 is connected with a second end of the resistor U4, and a second end of the resistor R2 is connected with a second end of the resistor C1 is connected with a second end of the resistor C3, and the integrated circuit U1 is connected with a second end of the resistor C3, and the resistor C2 is connected with the resistor C2.
2. The code scanner circuit of claim 1, wherein the integrated circuit U1 is of a type STM32F105RB, the integrated circuit U2 is of a type BOOT3X2, the integrated circuit U3 is of an OPG2214, and the integrated circuit U4 is of a type SI4432.
3. The code scanner circuit of claim 1, wherein the capacitance of the capacitor C5 is 33pF, the capacitance of the capacitor C7-C8 is 24pF, the capacitance of the capacitor C10 is 0.1 μf, the capacitance of the capacitor C11 is 1 μf, the capacitance of the capacitor C12-C13 is 10pF, and the capacitance of the capacitor C14 is 4.7pF.
4. The code scanner circuit according to claim 1, wherein the resistances of the resistors R2-R4 are all 100kΩ, the resistance of the resistor R10 is 330kΩ, and the resistance of the resistor R14 is 1kΩ.
5. The code scanner circuit of claim 1, wherein the diode LED2 is a red light emitting diode.
6. The code scanner circuit according to claim 1, wherein the inductance value of the inductor L2-L3 is 33nH, and the inductance value of the inductor L4 is 120nH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011412777.0A CN112612223B (en) | 2020-12-03 | 2020-12-03 | Code scanning gun circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011412777.0A CN112612223B (en) | 2020-12-03 | 2020-12-03 | Code scanning gun circuit |
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| CN112612223A CN112612223A (en) | 2021-04-06 |
| CN112612223B true CN112612223B (en) | 2023-04-21 |
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| CN202011412777.0A Active CN112612223B (en) | 2020-12-03 | 2020-12-03 | Code scanning gun circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117518955B (en) * | 2023-12-22 | 2024-04-09 | 甘肃省烟草公司天水市公司 | Multipurpose code scanning gun access equipment control circuit |
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| US6581837B1 (en) * | 2000-06-23 | 2003-06-24 | Industrial Data Entry Automation Systems Incorporated | Wireless interface for bar code scanner |
| CN106022420A (en) * | 2016-07-26 | 2016-10-12 | 中国地质大学（武汉） | NFC read-write circuit |
| CN207115434U (en) * | 2017-08-11 | 2018-03-16 | 深圳市敏捷条码技术有限公司 | A kind of vibration-type barcode scanning gun |
| CN108090387A (en) * | 2018-01-02 | 2018-05-29 | 东莞市鼎锋智能电子科技有限公司 | A kind of barcode scanning gun with cash register system |
| CN209328030U (en) * | 2019-01-22 | 2019-08-30 | 东莞市万酷电子科技有限公司 | An infrared self-sensing scanning gun |
| CN211373526U (en) * | 2019-12-26 | 2020-08-28 | 深圳市益光科技有限公司 | Consumption-level handheld intelligent three-dimensional scanning terminal |
-
2020
- 2020-12-03 CN CN202011412777.0A patent/CN112612223B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6581837B1 (en) * | 2000-06-23 | 2003-06-24 | Industrial Data Entry Automation Systems Incorporated | Wireless interface for bar code scanner |
| CN106022420A (en) * | 2016-07-26 | 2016-10-12 | 中国地质大学（武汉） | NFC read-write circuit |
| CN207115434U (en) * | 2017-08-11 | 2018-03-16 | 深圳市敏捷条码技术有限公司 | A kind of vibration-type barcode scanning gun |
| CN108090387A (en) * | 2018-01-02 | 2018-05-29 | 东莞市鼎锋智能电子科技有限公司 | A kind of barcode scanning gun with cash register system |
| CN209328030U (en) * | 2019-01-22 | 2019-08-30 | 东莞市万酷电子科技有限公司 | An infrared self-sensing scanning gun |
| CN211373526U (en) * | 2019-12-26 | 2020-08-28 | 深圳市益光科技有限公司 | Consumption-level handheld intelligent three-dimensional scanning terminal |
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