CN114994503A - Circuit board detection device - Google Patents

The invention discloses a circuit board detection device, which relates to the technical field of circuit board detection, and comprises a data acquisition module for acquiring various test data and sending the test data to a data processing module, wherein the data processing module obtains a performance index coefficient of a circuit board and a durability coefficient of the circuit board through calculation and sends the performance index of the circuit board and the durability coefficient of the circuit board to a data analysis module, the data analysis module obtains a comprehensive grading index of the circuit board through calculation and compares the comprehensive grading index with a set standard grading index of the circuit board, if the comprehensive grading index of the circuit board is more than or equal to the standard grading index of the circuit board, a pass signal is sent to an alarm module, the alarm module prompts a worker to pass the test, if the circuit is less than the set standard grading index, the data analysis module sends a fail signal to the alarm module, and the alarm module prompts the worker to fail the test, and the data analysis module sends a maintenance signal to the execution module, and the execution module maintains the circuit board.

Circuit board detection device

Technical Field

The invention relates to the technical field of circuit board detection, in particular to a circuit board detection device.

Background

In the process of research and development of electronic products, because the circuit board needs to be programmed, tested and the like, the measurement of the parameters of the circuit board is indispensable, at present, instruments such as an oscilloscope, a universal meter and the like are mainly used for measuring a certain parameter independently, programming is also a single plug-in burner, and under the condition that a plurality of chips are selected by a company, the burning is also changed into complicated things due to different burning modes of different chips.

In the circuit board manufacturing industry at the present stage, the main modes of product quality inspection of the circuit board after production are as follows: the circuit board is directly taken out of the material box with the circuit board by an operator, then the product quality of the circuit board is checked under a microscope by holding the circuit board by the operator, the circuit board is put back into the material box by the hand after the checking is finished, the circuit board needs to be correctly taken out of the material box by the operator in sequence, and the material box is put back after the checking is finished. In the inspection mode, the hands of an operator contact the circuit board, dirt on the hands pollutes the circuit board, and the product quality is further influenced; it may also damage the circuit board by human error; some circuit boards may also be missed by the operator; moreover, this inspection method is inefficient. With the development of the circuit board industry, the quality requirement of products is higher and higher, and the inspection mode cannot meet the quality inspection requirement of large-batch high-quality circuit boards. In the outgoing quality detection process of the circuit board and the spare part debugging process, the traditional debugging method, namely the manual detection of the circuit board, is adopted, and the market demand cannot be met in the aspects of fault judgment quality, efficiency and the like only by manpower and experience, and theoretically, the simplest method for detecting the functions of the circuit board is to put a model system or a subsystem which is the same as the real environment to see whether the circuit board normally runs or not; the reason for this is that the existing circuit board detection system is complex, large in size and inconvenient to operate, and increases the operation difficulty of workers, so that a circuit board detection device is provided at present.

Disclosure of Invention

In order to solve the above mentioned drawbacks in the background art, the present invention provides a circuit board inspection apparatus.

The purpose of the invention can be realized by the following technical scheme: a circuit board detection device comprises a data acquisition module, a data processing module, a data analysis module, an alarm module and an execution module, wherein the data acquisition module is used for acquiring input current and output current, input voltage and output voltage, charging current, charging voltage and charging time of a circuit board, and transmitting the acquired input current and output current, input voltage and output voltage, charging current, charging voltage and charging time to the data processing module for processing;

the data processing module is used for processing the received input current and output current, input voltage and output voltage, charging current, charging voltage and charging time, obtaining a performance index coefficient of the circuit board and a durability coefficient of the circuit board through calculation, and sending the performance index of the circuit board and the durability coefficient of the circuit board to the data analysis module for analysis;

the data analysis module is used for analyzing the received performance index of the circuit board and the durability coefficient of the circuit board, obtaining the comprehensive scoring index of the circuit board through calculation and comparing the comprehensive scoring index with the set standard scoring index of the circuit board, if the comprehensive scoring index of the circuit board is larger than or equal to the standard scoring index of the circuit board, the data analysis module sends a passing signal to the alarm module, the alarm module carries out alarm prompt on a worker to pass a test, if the comprehensive scoring index of the circuit board is smaller than the standard scoring index of the circuit board, the data analysis module sends a failing signal to the alarm module, the alarm module carries out alarm prompt on the worker to fail the test, the data analysis module sends a maintenance signal to the execution module, and the execution module maintains the circuit board.

Further, the processing procedure of the data processing module comprises the following steps:

the method comprises the following steps: marking the input current as I ₁ The output current is marked as I ₂ The input voltage is marked as U ₁ The output voltage is marked as U ₂ The charging current is marked as I _c The charging voltage is marked as U _c The charging time is marked as T;

Further, the analysis process of the data analysis module comprises the following steps:

step S2: setting the standard performance index of the circuit board to be P _b And the comprehensive performance index P of the circuit board and the standard performance index P of the circuit board are compared _b Comparing;

step S3: if P is not less than P _b If the comprehensive performance index of the circuit board is higher than the standard performance index of the circuit board, the performance of the circuit board is in accordance with the standard, the data analysis module sends a passing signal to the alarm module, and the alarm module gives an alarm to prompt staff that the circuit board passes the test;

step S4: if P < P _b If the comprehensive performance index of the circuit board is below the standard performance index of the circuit board, the performance of the circuit board is not in accordance with the standard, the data analysis module sends a fail signal to the alarm module, the alarm module prompts a worker that the circuit board fails to be tested through alarm,and the data analysis module sends a maintenance signal to the execution module, and the execution module maintains the circuit board.

Further, the alarm module comprises a green indicator light and a red indicator light.

Furthermore, the green indicator light is used for lighting up the prompt circuit board for the staff to pass the test after the alarm module receives the passing signal, and the red indicator light is used for lighting up the prompt circuit board for the staff to fail the test after the alarm module receives the failing signal.

The invention has the beneficial effects that:

in the using process of the invention, various test data are collected by a data collection module and sent to a data processing module for processing, after the data processing module receives various test data sent by the data collection module, the performance index coefficient of a circuit board and the durability coefficient of the circuit board are obtained by calculation, the performance index of the circuit board and the durability coefficient of the circuit board are sent to a data analysis module for analysis, the data analysis module obtains the comprehensive grading index of the circuit board by calculation and compares the comprehensive grading index with the set standard grading index of the circuit board, if the comprehensive grading index of the circuit board is more than or equal to the standard grading index of the circuit board, the data analysis module sends a passing signal to an alarm module, the alarm module gives an alarm to a worker to prompt that the circuit board passes the test, if the comprehensive grading index of the circuit board is less than the standard grading index of the circuit board, the data analysis module sends a fail signal to the alarm module, the alarm module carries out alarm prompt failure test on the staff, the data analysis module sends a maintenance signal to the execution module, and the execution module carries out maintenance on the circuit board.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;

fig. 1 is a schematic diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, a circuit board detection device includes a data acquisition module, a data processing module, a data analysis module, an alarm module, and an execution module, where the data acquisition module is configured to acquire input current and output current, input voltage and output voltage, charging current, charging voltage, and charging time of a circuit board, and send the acquired input current and output current, input voltage and output voltage, charging current, charging voltage, and charging time to the data processing module for processing;

it should be further noted that, in the implementation process, the data acquisition module respectively adopts a current monitoring circuit composed of 1 operational amplifier with a power of 50 times, a voltage detection circuit composed of a voltage division circuit respectively detects the input current and the output current, and the input voltage and the output voltage, and adopts the operational amplifier, the voltage division circuit and a timing circuit to form a monitoring part of the charging voltage, the charging current and the charging time,

the data processing module is used for processing after receiving the input current and the output current, the input voltage and the output voltage, the charging current, the charging voltage and the charging time which are sent by the data acquisition module, and specifically, the processing process of the data processing module comprises the following steps:

the method comprises the following steps: marking the input current as I ₁ Output current marked as I ₂ Input voltage flagIs U ₁ The output voltage is marked as U ₂ The charging current is marked as I _c The charging voltage is marked as U _c The charging time is marked as T;

it should be further noted that, in the implementation process, the input current influence coefficient and the output current influence coefficient are coefficient values that influence the input current and the output current, and the input voltage influence coefficient and the output voltage influence coefficient are coefficient values that influence the input voltage and the output voltage;

The data analysis module receives the performance index coefficient X of the circuit board sent by the data processing module _n And the endurance factor N of the circuit board _y And then, performing data analysis, specifically, the analysis process of the data analysis module comprises the following steps:

step S2: setting the standard performance index of the circuit board to be P _b It should be further noted that, in the specific implementation process, the standard performance index of the circuit board is the lowest index at which the performance of the circuit board can pass the test standard, and the comprehensive performance index P of the circuit board and the standard performance index P of the circuit board are compared _b Comparing;

step S3: if P is greater than or equal to P _b If the comprehensive performance index of the circuit board is higher than the standard performance index of the circuit board, the performance of the circuit board is in accordance with the standard, the data analysis module sends a passing signal to the alarm module, and the alarm module gives an alarm to prompt staff that the circuit board passes the test;

step S4: if P < P _b If the comprehensive performance index of the circuit board is below the standard performance index of the circuit board, the performance of the circuit board is not in accordance with the standard, the data analysis module sends a fail signal to the alarm module, the alarm module prompts staff that the circuit board fails to pass the test through alarming, the data analysis module sends a maintenance signal to the execution module, and the execution module maintains the circuit board.

Alarm module includes green pilot lamp and red pilot lamp, green pilot lamp is used for having lighted behind alarm module received the passing signal and has passed the test to staff's suggestion circuit board, red pilot lamp is used for having lighted behind alarm module received the failing signal and has not passed the test to staff's suggestion circuit board.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.