WO2018218457A1

WO2018218457A1 - Online detection system based on single-chip microcomputers, and control method therefor

Info

Publication number: WO2018218457A1
Application number: PCT/CN2017/086408
Authority: WO
Inventors: 韩性峰
Original assignee: 深圳瀚飞科技开发有限公司
Priority date: 2017-05-27
Filing date: 2017-05-27
Publication date: 2018-12-06

Abstract

An online detection system based on single-chip microcomputers comprises multiple sensors arranged as required, and also comprises a host computer. Each sensor is connected to one single-chip microcomputer. The single-chip microcomputers are in communication connection with the host computer respectively. Also disclosed is a control method for the online detection system based on single-chip microcomputers. The method comprises: first, performing first analysis processing on results by means of single-chip microcomputers, then performing classification-based processing by using a host computer, and performing intelligent analysis on the detection results, and finally displaying specific detection results. A person does not need to again perform analysis and can directly take a measure according to the analysis results, thereby improving the detection efficiency.

Description

Single chip online detection system and control method thereof

Technical field

[0001] The invention belongs to the field of online detection technology, and specifically relates to an on-line detection system of a single chip microcomputer and a control method thereof.

Background technique

[0002] Modern industrial large-scale production equipment has the characteristics of continuous, high-speed, and complex operation. When a sudden failure occurs, it will cause huge downtime loss. If state detection and predictive maintenance are available, the equipment system can be operated efficiently, safely, reliably and at low cost. At present, many industries have closely combined the principle of equipment state detection and fault diagnosis technology with various industry equipments, and have obtained extensive research and practical application, and the results are very obvious. In addition to safety and reliability, improved management level, the economic benefit coefficient is high, not only can be used for online detection and diagnosis of large-scale online systems, but also can be used for many key equipments of single machines, and can be uploaded and detected by offline detection instruments. The data is analyzed to achieve effective plant asset management throughout the plant. During the detection process, the results of the detection are quickly classified, usually requiring personnel to make judgments. technical problem

[0003] Type a paragraph describing the technical problem here.

Problem solution

Technical solution

According to the above technology, the present invention provides an on-line single-chip detection system capable of automatically identifying and classifying detection results and a control method thereof.

[0005] The specific technical solution is:

[0006] The on-line detection system of the single chip microcomputer comprises a plurality of sensors arranged according to requirements, each sensor is connected to a single chip microcomputer, and further comprises a host computer, wherein the single chip microcomputer is respectively connected with the upper computer.

[0007] Specifically, the sensor is a temperature sensor, a pressure sensor, a displacement sensor, a torque sensor, a load bearing sensor, a flow sensor, or a humidity sensor.

[0008] The object of the present invention is to provide a control method for the on-line detection system of the single chip microcomputer, which includes the following processes:

[0009] The sensor transmits the detected signal to a corresponding single-chip microcomputer, and the single-chip microcomputer receives the signal and performs analysis and processing; [0010] The single chip computer then sends the result of the analysis and processing to the upper computer, and the information is processed again by the upper computer, and the processed information is displayed.

[0011] The preferred design, before the sensor performs the detection, further includes the following process: the upper computer sends a start signal to the corresponding single-chip microcomputer in a sleep state according to a preset detection point or a detection instruction input by the temporary input, After receiving the start signal, the MCU starts and starts the corresponding sensor.

[0012] The preferred design, after the sensor completes the detection, further includes the following process: the upper computer sends a start signal to the corresponding working single-chip microcomputer according to the preset time point or the sleep command input by the temporary input, After receiving the sleep signal, the MCU controls the corresponding sensor to enter the sleep state, and then the MCU enters the sleep state.

[0013] Specifically, the command input to the host computer is higher than the preset command point.

[0014] Further, the sensor transmits the detected signal to the corresponding single-chip microcomputer, and the single-chip microcomputer receives the signal and performs analysis processing, and the analysis processing includes: processing the detected signal Data signal, compared with a preset standard threshold, to determine whether it is within the standard threshold

If yes, the analysis result is normal. If not, the analysis result is abnormal, and the positive and negative gaps with the standard threshold are calculated, and the detection information and the analysis result information are stored;

[0015] The MCU sends the result of the analysis and processing to the host computer, and the information is processed again by the host computer, and the processed information is displayed.

[0016] Further, the single-chip computer sends the result of the analysis and processing to the upper computer, and the information is processed by the upper computer again, and the processed information is displayed, including the following process:

[0017] The analysis result of the MCU received by the host computer is normal, the display is normal, and the storage is performed, and the analysis result is abnormal, and the positive and negative gaps calculated by the MCU are classified according to the preset level, and are issued according to the level. The corresponding alarm is displayed.

[0018] The online detection system and the control method thereof of the single chip provided by the invention firstly analyze and process the result for the first time through the single chip computer, and then further classify the processing by the upper computer, and perform intelligent analysis on the detection result, finally showing a specific The test results, no need for personnel to analyze again, can directly take measures according to the analysis results, improve detection efficiency.

Advantageous effects of the invention

Beneficial effect [0019] Type a paragraph of beneficial effects description here.

Brief description of the drawing

DRAWINGS

1 is a structural block diagram of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

[0021] The paragraphs describing the best mode of the invention are entered here.

Embodiments of the invention

The technical solutions of the present invention will be clearly and completely described in the following with reference to the embodiments. 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 obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Embodiment 1

[0024] The on-line detection system of the single chip microcomputer comprises a plurality of sensors arranged according to requirements, each sensor is connected to a single chip microcomputer, and further comprises a host computer, wherein the single chip microcomputer is respectively connected with the upper computer.

[0025] The sensor converts the detected information into an analog quantity of the electrical signal, and inputs the A/D port of the single chip through the interface. The sensor signal outputs are 4~20mA DC current signals to improve the anti-interference ability of signals transmitted over long distances.

[0026] The single-chip microcomputer adopts the 80C196 single-chip microcomputer, and the internal integrated A/D conversion circuit, the analog signal can be directly connected to the single-chip through the interface. Its interface consists of an isolator, an I/V converter, a low-pass filter, a protection circuit, and a reference voltage. The 4~20 mA current signal of the analog sensor output is input to the interface circuit through the isolator, converted into a DC voltage of 1~5 V by the I/V converter, and then the interference signal is removed by the low-pass filter, and then sent to the A of the MCU. /D port.

[0027] Specifically, the sensor is a temperature sensor, a pressure sensor, a displacement sensor, and a torque sensor.

, load cell, flow sensor, or humidity sensor.

Embodiment 2 [0029] Another object of the present invention is to provide a control method for the on-line detection system of the single chip microcomputer, which includes the following processes:

[0030] (1) The host computer sends a start signal to the corresponding single-chip microcomputer in the sleep state according to the preset time point or the detection command input by Linyi, and the single-chip microcomputer starts and starts simultaneously after receiving the start signal. The sensor corresponding to it.

[0031] The command input to the host computer is higher than the preset command point.

[0032] (2) the sensor transmits the detected signal to the corresponding single-chip microcomputer, and the single-chip microcomputer accepts the signal and performs analysis and processing;

[0033] The specific process is: the sensor transmits the detected signal to the corresponding single-chip microcomputer, the single-chip microcomputer receives the signal, and performs analysis processing, where the analysis processing includes: The signal is processed into a data signal, and compared with a preset standard threshold to determine whether it is within a standard threshold range. If yes, the analysis result is normal. If not, the analysis result is abnormal, and the positive and negative values are compared with the standard threshold. Gap, store detection information and analysis result information.

[0034] (3) The single chip computer then sends the result of the analysis and processing to the upper computer, and the information is processed again by the upper computer, and the processed information is displayed;

[0035] The specific process is as follows: The analysis result of the single-chip computer received by the upper computer is normal, the display is normal, and the storage is performed, and the analysis result is abnormal, and the positive and negative gaps calculated by the single-chip computer are classified according to the preset level. , and the corresponding alarm display is issued according to the level.

[0036] (4) The host computer sends a start signal to the corresponding working single-chip microcomputer according to the preset time point or the sleep instruction input by Linyi, and the single-chip microcomputer controls the corresponding sensor after receiving the sleep signal. Entering the sleep state, then the microcontroller enters a sleep state.

The above description of the exemplary embodiments of the present invention has been provided for purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations will be apparent to those skilled in the art. The embodiment was chosen and described in order to facilitate a better understanding of the principles of the invention and the application of the embodiments of the invention . It is intended that the scope of the invention be defined by the claims

Industrial applicability

[0038] Enter the paragraph of industrial applicability description here. Sequence table free content

Type the sequence table free content description paragraph here.

Claims

Claim

[Claim 1] An on-line detection system for a single chip microcomputer, comprising: a plurality of sensors arranged as needed

Each sensor is connected to a single-chip microcomputer, and further includes a host computer, and the single-chip microcomputers are separately connected with the host computer.

[Claim 2] The on-line detection system of the single chip microcomputer according to claim 1, wherein the sensor is a temperature sensor, a pressure sensor, a displacement sensor, a torque sensor, a load-bearing sensor, a flow sensor, or a humidity sensor.

[Claim 3] The method for controlling an on-line detection system of a single chip microcomputer according to claim 1, wherein

, including the following process:

The sensor transmits the detected signal to a corresponding single chip microcomputer, and the single chip machine receives the signal and performs analysis processing;

The MCU then sends the result of the analysis and processing to the host computer, and the information is processed again by the host computer, and the processed information is displayed.

[Claim 4] The method for controlling an on-line detection system of a single chip microcomputer according to claim 3, wherein

Before the sensor performs the detection, the following process is further included: the host computer sends a start signal to the corresponding single-chip microcomputer in the sleep state according to the preset time point or the detection command input by the Linyi, and the single-chip microcomputer receives the start signal. , start and start the corresponding sensor.

[Claim 5] The method for controlling an on-line detection system of a single chip microcomputer according to claim 3, wherein

After the sensor completes the detection, the following process is further included: the host computer sends a start signal to the corresponding working single-chip microcomputer according to the preset time point or the sleep command input by the Linyi, and the single-chip microcomputer receives the sleep signal. , controlling the corresponding sensor to enter a sleep state, and then the single chip enters a sleep state.

[Claim 6] The control method of the on-line detection system of the single chip microcomputer according to claim 4 or 5, wherein the command input to the upper computer is higher than the preset inter-turn point command.

[Claim 7] The method for controlling an on-line detection system of a single chip microcomputer according to claim 3, wherein

The sensor transmits the detected signal to the corresponding single-chip microcomputer, and the single-chip microcomputer receives the signal and performs analysis processing, and the analysis processing includes: The measured signal is processed into a data signal and compared with a preset standard threshold to determine whether it is within a standard threshold range. If yes, the analysis result is normal, if not, the analysis result is abnormal, and the calculation is compared with the standard threshold. Positive and negative gaps, storing detection information and analysis result information;

The single-chip microcomputer then sends the result of the analysis and processing to the upper computer, and the information is processed again by the upper computer, and the processed information is displayed.

[Claim 8] The method for controlling an on-line detection system of a single chip microcomputer according to claim 7, wherein

The single-chip computer then sends the result of the analysis and processing to the upper computer, and the information is processed again by the upper computer, and the processed information is displayed, including the following process: The analysis result of the single-chip computer received by the upper computer is normal. The display is normal, and is stored, and the analysis result is abnormal. The positive and negative gaps calculated by the MCU are classified according to the preset level, and the corresponding alarm display is issued according to the level.