阅读说明：本技术 一种电子元件自动销售管理系统 (automatic sale management system for electronic components ) 是由 李少杰 于 2019-09-16 设计创作，主要内容包括：本发明提供了一种电子元件自动销售管理系统,包括主控系统和执行机构；执行机构包括设置销售主机,销售主机上设置人机交互设备、货物通道组件和驱动板；人机交互设备包括输入键盘和液晶显示器,输入键盘用于输入所需的元件编号和数量,液晶显示器根据输入键盘的操作显示提示信息并引导完成投币、取元件和找零操作；主控系统包括单片机和状态采集模块,单片机用于对人机交互设备上获取的信息进行处理,单片机内的算法销售主机完成执行动作；状态采集模块用于监视和获取销售主机的工作情况,以及读取学员信息。本发明方便电子元件的管理。(The invention provides an automatic electronic element sale management system, which comprises a main control system and an execution mechanism, wherein the execution mechanism comprises a sale host, a man-machine interaction device, a goods channel component and a driving board are arranged on the sale host, the man-machine interaction device comprises an input keyboard and a liquid crystal display, the input keyboard is used for inputting required element numbers and quantities, the liquid crystal display displays prompt information according to the operation of the input keyboard and guides to finish coin inserting, element taking and change giving operations, the main control system comprises a single chip microcomputer and a state acquisition module, the single chip microcomputer is used for processing information obtained from the man-machine interaction device, the sale host completes execution actions through an algorithm in the single chip microcomputer, and the state acquisition module is used for monitoring and obtaining the working condition of the sale host and reading student information.)

The automatic sale management system for the electronic components of 1 and is characterized by comprising a main control system and an execution mechanism;

the executing mechanism comprises a selling host, and man-machine interaction equipment, a goods channel assembly and a driving plate are arranged on the selling host; the man-machine interaction equipment comprises an input keyboard and a liquid crystal display, wherein the input keyboard is used for inputting required element numbers and quantity, and the liquid crystal display displays prompt information and guides to finish coin inserting, element taking and change giving operations according to the operation of the input keyboard;

the main control system comprises a single chip microcomputer and a state acquisition module, the single chip microcomputer is used for processing information acquired by the human-computer interaction equipment, and the selling host completes execution actions according to an algorithm in the single chip microcomputer; the state acquisition module is used for monitoring and acquiring the working condition of the sales host and reading student information.

2. The automatic electronic component sales management system according to claim 1, wherein the single chip microcomputer employs an 80C51 series chip as a main module.

3. The system of claim 1, wherein the human-machine interaction device further comprises a coin selector, a change finder and a card reader, and the coin selector, the change finder and the card reader are all connected to the liquid crystal display.

4. The automatic electronic component sales management system of claim 1, wherein the cargo channel assembly comprises a transmission mechanism, a belt-type cargo channel disposed on the transmission mechanism, and a photoelectric sensor, wherein partitions are disposed on the belt-type cargo channel at equal intervals, the partitions partition the belt-type cargo channel into a plurality of cargo channel units, each of the cargo channel units is provided with a circular hole, and the cargo channel units are used for placing electronic components;

the photoelectric sensor detects the rotation condition of the belt type cargo channel by detecting the position of the round hole.

5. The system for automated electronic component sales management of claim 4, wherein the actuator comprises a plurality of transport motors and a motor driver board, wherein the motor driver board is fabricated from 74HC595 chip in combination with ULN2803 chip.

6. The system of claim 4, wherein the operating circuit of the photo sensor comprises an infrared light emitting diode, a photo transistor, and a voltage comparator LM 339.

7. The automatic electronic component sales management system of claim 1, wherein a buzzer is further disposed in the status acquisition module, and when the single chip detects abnormal information, the buzzer sends alarm information.

Technical Field

The invention relates to the field of intelligent systems, in particular to an automatic sale management system for electronic components.

Background

The open laboratory is an important link for pushing quality education and improving comprehensive quality and practical ability of students, is also important observation points in the teaching work level evaluation index system of the department of education, higher schools and higher schools, and is a necessary trend for reform of experimental teaching in colleges and universities.

Electronic components are the basis of electronic products, and it is the basic of learning and mastering electronic technology to know the types, structures and performances of commonly used electronic components and to correctly select the electronic components. Commonly used electronic components include resistors, capacitors, inductors, potentiometers, transformers, etc., and are currently classified into two categories, i.e., conventional mounting (also called through-hole mounting (DIP)) and surface mounting (also called SMT or SMD), in terms of mounting methods. The triode and the diode are called electronic devices.

For the opening of an electronic innovation laboratory for university student electronic design competition training, management work of electronic elements is a difficult problem, the elements are seriously wasted and are randomly placed, and the laboratory looks like a rotten booth.

Disclosure of Invention

In view of this, in order to solve the technical problem of inconvenient electronic component management in the laboratory, the present invention provides automatic electronic component sales management systems.

The technical scheme of the invention is realized as follows:

automatic sale management system for electronic components, which comprises a main control system and an execution mechanism;

the executing mechanism comprises a selling host, and man-machine interaction equipment, a goods channel assembly and a driving plate are arranged on the selling host; the man-machine interaction equipment comprises an input keyboard and a liquid crystal display, wherein the input keyboard is used for inputting required element numbers and quantity, and the liquid crystal display displays prompt information and guides to finish coin inserting, element taking and change giving operations according to the operation of the input keyboard;

the main control system comprises a single chip microcomputer and a state acquisition module, the single chip microcomputer is used for processing information acquired by the human-computer interaction equipment, and the selling host completes execution actions according to an algorithm in the single chip microcomputer; the state acquisition module is used for monitoring and acquiring the working condition of the sales host and reading student information.

Preferably, the single chip microcomputer adopts an 80C51 series chip as a main module.

Preferably, the human-computer interaction equipment further comprises a coin selector, a change finder and a card reader, and the coin selector, the change finder and the card reader are all connected with the liquid crystal display.

Preferably, the goods passage assembly comprises a transmission mechanism, a belt type goods passage and a photoelectric sensor, wherein the belt type goods passage is arranged on the transmission mechanism, partitions are arranged on the belt type goods passage at equal intervals and divide the belt type goods passage into a plurality of goods passage units, each goods passage unit is provided with a round hole, and electronic elements are placed on the goods passage units;

the photoelectric sensor detects the rotation condition of the belt type cargo channel by detecting the position of the round hole.

Preferably, the transmission mechanism comprises a plurality of transmission motors and a motor driving board, and the motor driving board is made of a 74HC595 chip and an ULN2803 chip.

Preferably, the operating circuit of the photoelectric sensor comprises an infrared light emitting diode, a phototriode and a voltage comparator LM 339.

Preferably, a buzzer is further arranged in the state acquisition module, and when the single chip microcomputer detects abnormal information, the buzzer sends alarm information.

Has the advantages that:

the automatic electronic element selling system is provided with the master control system and the executing mechanism to realize automatic electronic element selling, wherein the specific master control system is provided with the state acquisition module which is used for monitoring and acquiring the working condition of the selling host and reading student information, self management is realized by monitoring element information purchased by each student correspondingly and adopting a self-purchasing mode, and each element is monitored by the corresponding student, so that the management of the electronic element is convenient.

Drawings

FIG. 1 is a schematic diagram of an automatic sales management system for electronic components according to the present invention;

FIG. 2 is a schematic view of the structure of the cargo passage assembly of the present invention;

FIG. 3 is a schematic structural view of a transmission mechanism according to the present invention;

fig. 4 is a schematic diagram of an operating circuit of the photoelectric sensor of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.

Referring to fig. 1-4, an embodiment of the present invention provides an electronic component automatic sales management system, including a main control system and an execution mechanism;

the executing mechanism comprises a selling host, and man-machine interaction equipment, a goods channel assembly and a driving plate are arranged on the selling host; the man-machine interaction equipment comprises an input keyboard and a liquid crystal display, wherein the input keyboard is used for inputting required element numbers and quantity, and the liquid crystal display displays prompt information and guides to finish coin inserting, element taking and change giving operations according to the operation of the input keyboard;

the main control system comprises a single chip microcomputer and a state acquisition module, the single chip microcomputer is used for processing information acquired by the human-computer interaction equipment, and the selling host completes execution actions according to an algorithm in the single chip microcomputer; the state acquisition module is used for monitoring and acquiring the working condition of the selling host computer, reading the student information, and before selling, marking numbers on the electronic elements, wherein the numbers correspond to the information of each student.

The single chip microcomputer adopts an 80C51 series chip as a main module.

The human-computer interaction equipment further comprises a coin selector, a change selector and a card reader, and the coin selector, the change selector and the card reader are all connected with the liquid crystal display.

The goods passage component comprises a transmission mechanism 1, a belt type goods passage 2 and a photoelectric sensor 3, wherein the belt type goods passage 2 and the photoelectric sensor 3 are arranged on the transmission mechanism 1, partitions are arranged on the belt type goods passage 2 at equal intervals and divide the belt type goods passage into a plurality of goods passage units, a round hole 4 is arranged on each goods passage unit, electronic elements are placed on the goods passage units, elements are placed in the middle of the partitions, and elements can be sent out when the conveyor belt rotates partitions under the detection of the photoelectric sensor 3;

the photoelectric sensor 3 detects the rotation condition of the belt type cargo way 2 by detecting the position of the round hole 4, the photoelectric sensor 3 is used for accurately positioning the belt type cargo way, the belt type cargo way is provided with the round hole, infrared light emitted by the photoelectric sensor can penetrate through the small hole, and the hole is not light tight.

The transmission mechanism comprises a plurality of transmission motors and a motor driving board, in the embodiment, the motor driving board is made of a 74HC595 chip and an ULN2803 chip, specifically, 2 pieces of 74HC595 cascade are adopted to form 16-bit shift registers, because the normal working current of the direct current motor is 50-400 mA, the 74HC595 chip cannot directly drive the motor, the 74HC595 is only used as logic output, and the power driving is realized by a high-voltage large-current Darlington array ULN2803 which is 8 in and 8 out of Toshiba products and is additionally provided with a high-power triode, because the maximum pouring current of the ULN2803 can reach 500mA, pieces of ULN2803 are adopted, and the driving board can control the direct current speed reduction motor to rotate according to element numbers input by a keyboard, and transmit elements to a pickup area.

And a buzzer is also arranged in the state acquisition module, and when the singlechip detects abnormal information, the buzzer sends alarm information.

Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only for the purpose of illustrating the technical solutions of the present invention, and not for the purpose of limiting the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.