CN112822057A - Product quality detection system and control method thereof - Google Patents
Product quality detection system and control method thereof Download PDFInfo
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Abstract
The invention discloses a product quality detection system and a control method thereof, and the product quality detection system comprises a main control unit, a communication unit, a monitoring management unit, a data conversion unit, a data acquisition unit and a controlled unit, wherein the main control unit, the communication unit, the monitoring management unit, the data conversion unit and the data acquisition unit are sequentially connected; the main control unit completes three-layer authorization on the monitoring management unit through the authorization unit so as to ensure the copyright problem of control system software and the service time of the control system; the data conversion unit encrypts and encapsulates the production data, converts the production data into a message format for transmission, distinguishes the specific application of the data through the message format, ensures the reliable transmission of the data, and improves the reliability and the transmission efficiency of the data transmission.
Description
Technical Field
The invention relates to the technical field of intelligent control, in particular to a product quality detection system and a control method thereof.
Background
The automatic product detection system is used for automatically testing performance indexes, positioning faults, diagnosing faults and the like of a detected object, compared with manual testing, the automatic product detection system saves time and labor, can improve labor productivity and product quality, plays a great role in promoting the improvement of product precision and quality, is easy to cause the problem of data errors in the data transmission process, is low in safety of product data transmission, and is easy to cause the problem of stealing and copying of product data.
It is seen that improvements and enhancements to the prior art are needed.
Disclosure of Invention
In view of the above-mentioned shortcomings in the prior art, the present invention is directed to a product quality detection system, which has high data transmission accuracy and high accuracy and can prevent product data leakage.
In order to achieve the purpose, the invention adopts the following technical scheme:
a product quality detection system comprises a main control unit, a communication unit, a monitoring management unit, a data conversion unit, a data acquisition unit and a controlled unit, wherein the main control unit, the communication unit, the monitoring management unit, the data conversion unit and the data acquisition unit are sequentially connected, the data conversion unit and the data acquisition unit are respectively and electrically connected with the controlled unit, an authorization unit is arranged between the main control unit and the monitoring management unit, and the authorization unit is respectively connected with the main control unit, the communication unit and the monitoring management unit; the communication unit is used for encrypting, packaging and transmitting product data, the monitoring management unit is used for monitoring and controlling the product quality in real time, the data conversion unit is used for performing digital-to-analog conversion and analog-to-digital conversion on the product data, the data acquisition unit is used for acquiring the product data in real time, and the authorization unit is used for generating an authorization file.
In the product quality detection system, the communication unit comprises a communication protocol unit, a data analysis unit, a data verification unit and a data encapsulation unit, the communication protocol unit, the data analysis unit, the data verification unit and the data encapsulation unit are sequentially connected, the communication protocol unit is connected with the main control unit, and the data encapsulation unit is connected with the monitoring management unit.
In the product quality detection system, the data acquisition unit comprises an operation parameter acquisition unit, an abnormal state acquisition unit and an action acquisition unit, and the parameter acquisition unit, the abnormal state acquisition unit and the action acquisition unit are respectively and electrically connected with the data conversion unit and the controlled unit.
In the product quality detection system, the data conversion unit comprises a digital-to-analog conversion unit, an analog-to-digital conversion unit and an action control unit, and the digital-to-analog conversion unit, the analog-to-digital conversion unit and the action control unit are respectively and electrically connected with the monitoring management unit and the controlled unit.
In the product quality detection system, the product quality detection system further comprises a data processing unit, and the data processing unit is connected with the main control unit.
In the product quality detection system, the product quality detection system comprises an interaction unit and an input unit, and the interaction unit and the input unit are respectively and electrically connected with the main control unit; the interaction unit is used for realizing the man-machine interaction between the user and the main control unit.
The invention also correspondingly provides a control method of the product quality detection system, which comprises the following steps:
the authorization unit acquires system data of the main control unit and the monitoring management unit and generates an authorization file;
after the authorization file is generated, the monitoring management unit acquires product data of the controlled unit;
the communication unit encrypts and encapsulates the product data and sends the product data to the main control unit;
and the main control unit analyzes the product data.
In the control method of the product quality detection system, the authorization unit acquires system data of the main control unit and the monitoring management unit and generates an authorization file, and the authorization unit performs data transformation according to the system data to generate a first-layer ciphertext; the authorization unit inputs the first layer of ciphertext into a random distribution algorithm to generate a second layer of ciphertext; the authorization unit inputs the second layer of ciphertext into the MD5 algorithm for conversion, and the converted data is input into the random distribution algorithm again to generate a third layer of ciphertext; and the authorization file is the third layer of ciphertext.
In the control method of the product quality detection system, the communication unit encrypts and encapsulates product data and sends the product data to the main control unit, and the method comprises the following steps of generating a message encapsulation file according to transmission data of the product data, wherein the message encapsulation file is expressed as: message header + message content + checksum; the message header is the 1 st byte to the nth byte of transmission data; the message content is from the (n + 1) th byte to the (n + 57) th byte of transmission data; the checksum is the next byte to the last byte of the message content in the transmission data.
In the control method of the product quality detection system, the header is expressed as: the message encapsulation file comprises instruction codes, state codes, data packet counting codes and data length codes, and is expressed as follows: the method comprises the steps of instruction code + state code + data packet count code + data length code + message content + check sum; the instruction code is used for specifying data use; the state code is used for controlling data transmission and data check and response; the data packet counting code is used for data indexing.
Has the advantages that:
the invention provides a product quality detection system.A main control unit completes three-layer authorization on a monitoring management unit through an authorization unit and generates an authorization file so as to ensure the copyright problem of control system software and the service time of a control system; the data conversion unit encrypts and encapsulates the production data, converts the production data into a message format for transmission, distinguishes the specific application of the data through the message format, ensures the reliable transmission of the data, and improves the reliability and the transmission efficiency of the data transmission.
Drawings
FIG. 1 is a schematic structural diagram of a product quality detection system provided by the present invention;
fig. 2 is a schematic structural diagram of the communication unit in the product quality detection system provided by the present invention;
FIG. 3 is a schematic structural diagram of the data acquisition unit in the product quality detection system provided by the present invention;
fig. 4 is a schematic structural diagram of the data conversion unit in the product quality detection system provided by the present invention;
FIG. 5 is a schematic structural diagram of the data processing unit in the product quality detection system provided by the present invention;
FIG. 6 is a first control flow chart of a control method of the product quality detection system according to the present invention;
FIG. 7 is a second flowchart illustrating a control method of the product quality detecting system according to the present invention;
fig. 8 is a third control flow chart of the control method of the product quality detection system provided by the present invention.
Description of the main element symbols: 1-a main control unit, 2-a communication unit, 3-a monitoring management unit, 4-a data conversion unit, 5-a data acquisition unit, 6-an authorization unit, 7-a data processing unit, 8-an interaction unit, 9-an input unit, 10-a controlled unit, 21-a communication protocol unit and 22-a data analysis unit, 23-a data checking unit, 24-a data packaging unit, 41-a/d conversion unit, 42-a/d conversion unit, 43-action control unit, 51-operation parameter acquisition unit, 52-abnormal state acquisition unit, 53-action acquisition unit, 71-data analysis unit, 72-data statistics unit, 73-data display unit and 74-data storage unit.
Detailed Description
The present invention provides a product quality detection system and a control method thereof, and in order to make the objects, technical schemes and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be understood that the terms "middle", "inside", "outside", and the like indicate orientations or positional relationships based on the drawings, and are only for convenience of describing the present invention and for simplification of description. Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
Referring to fig. 1, the present invention provides a product quality detection system, including a main control unit 1, a communication unit 2, a monitoring management unit 3, a data conversion unit 4, a data acquisition unit 5, and a controlled unit 10, where the main control unit 1, the communication unit 2, the monitoring management unit 3, the data conversion unit 4, and the data acquisition unit 5 are sequentially connected, the data conversion unit 4 and the data acquisition unit 5 are respectively electrically connected to the controlled unit 10, an authorization unit 6 is disposed between the main control unit 1 and the monitoring management unit 3, and the authorization unit 6 is respectively connected to the main control unit 1, the communication unit 2, and the monitoring management unit 3; the communication unit 2 is used for encrypting, packaging and transmitting product data, the monitoring management unit 3 is used for monitoring and controlling product quality in real time, the data conversion unit 4 is used for performing digital-to-analog conversion and analog-to-digital conversion on the product data, the data acquisition unit 5 is used for acquiring the product data in real time, and the authorization unit 6 is used for generating an authorization file.
During actual use, the main control unit 1 completes three-layer authorization on the monitoring management unit 3 through the authorization unit 6 and generates an authorization file to ensure copyright problems of control system software and the use time of a control system, after the authorization is completed, a monitoring mode is entered, the data acquisition unit 5 acquires data of the operation state of the controlled unit 10 in real time, the data of the operation state is converted into analog data through the data conversion unit 4 and is sent to the monitoring management unit 3, the monitoring management unit 3 encrypts and encapsulates the analog data through the communication unit 2, and the encrypted and encapsulated data is sent to the main control unit 1 for analysis so as to provide quality problems of product data analysis products for users; by encrypting and packaging the product data, the reliability and the transmission efficiency of data transmission are improved.
In one embodiment, the controlled unit 10 may be an intelligent curtain, the data acquisition unit 5 acquires data such as product running time, running times, machine head opening and closing times, abnormal times in test time, and the like in real time, and counts parameters such as voltage, current, power factor, distance, speed, and the like of the abnormal point motor through the monitoring management unit 3, and the communication unit 2 converts the parameter data such as voltage, current, power factor, distance, speed, and the like of the abnormal point motor into a message format to be sent to the main control unit 1, so as to provide effective data for a worker to perform fault analysis.
As shown in fig. 2, further, the communication unit 2 includes a communication protocol unit 21, a data analysis unit 22, a data verification unit 23, and a data encapsulation unit 24, where the communication protocol unit 21, the data analysis unit 22, the data verification unit 23, and the data encapsulation unit 24 are sequentially connected, the communication protocol unit 21 is connected with the main control unit 1, and the data encapsulation unit 24 is connected with the monitoring management unit 3; when the data encapsulation unit 24 receives the production data of the monitoring management unit 3, the data encapsulation unit 24 encrypts and encapsulates the production data, converts the production data into a message format for transmission, distinguishes the specific purpose of the data through the message format, ensures reliable transmission of the data, verifies the checksum through the data verification unit 23 by the encrypted and encapsulated data, verifies whether the data is transmitted correctly, and when the verification is passed, analyzes the data through the data analysis unit 22, and sends the analyzed data to the corresponding main control unit 1 through the communication protocol unit 21.
As shown in fig. 3, further, the data acquisition unit 5 includes an operation parameter acquisition unit 51, an abnormal state acquisition unit 52 and an action acquisition unit 53, and the parameter acquisition unit, the abnormal state acquisition unit 52 and the action acquisition unit 53 are respectively electrically connected to the data conversion unit 4 and the controlled unit 10; the operation parameter acquisition unit 51 is configured to acquire setting parameters, starting parameters, and operation parameters of the controlled unit 10; the abnormal state collecting unit 52 is configured to collect forward operation abnormal diagnosis data, reverse operation abnormal diagnosis data, and general abnormal diagnosis data of the controlled unit 10; the action acquisition unit 53 is used for acquiring the real-time running state of the controlled unit 10.
As shown in fig. 4, further, the data conversion unit 4 includes a digital-to-analog conversion unit 41, an analog-to-digital conversion unit 42 and an action control unit 43, and the digital-to-analog conversion unit 41, the analog-to-digital conversion unit 42 and the action control unit 43 are electrically connected to the monitoring management unit 3 and the controlled unit 10, respectively; in one embodiment, the motion control unit 43 may be a power management unit; in one embodiment, the motion control unit 43 may be a motor control unit; in one embodiment, the motion control unit 43 may be a relay control unit; the main control unit 1 controls the controlled unit 10 to perform adjustment correspondingly through the feedback of the motion control unit 43.
As shown in fig. 5, further, the product quality detection system further includes a data processing unit 7, where the data processing unit 7 is connected to the main control unit 1; in this embodiment, the data processing unit 7 includes a data analysis unit 71, a data statistics unit 72, a data display unit 73, and a data storage unit 74, and the data analysis unit 71, the data statistics unit 72, the data display unit 73, and the data storage unit 74 are respectively connected to the main control unit 1; the data processing unit 7 is used for analyzing, counting, displaying and storing the product data, so that the centralized processing of the production data by a user is facilitated.
As shown in fig. 1, further, the product quality detection system includes an interaction unit 8 and an input unit 9, where the interaction unit 8 and the input unit 9 are respectively electrically connected to the main control unit 1; the interaction unit 8 is used for realizing man-machine interaction between a user and the main control unit 1.
In summary, the main control unit 1 completes three-layer authorization for the monitoring management unit 3 through the authorization unit 6, and completes three-layer authorization and generates an authorization file through the authorization unit 6, so as to ensure the copyright problem of the control system software and the use time of the control system; the data conversion unit 4 encrypts and encapsulates the production data, converts the production data into a message format for transmission, and distinguishes the specific use of the data through the message format, thereby ensuring the reliable transmission of the data and improving the reliability and transmission efficiency of the data transmission.
Referring to fig. 6, the present invention further provides a control method of a product quality detection system, which includes the following steps:
s100, the authorization unit 6 acquires system data of the main control unit 1 and the monitoring management unit 3 and generates an authorization file; the system data comprises a CPU serial number, a hard disk serial number, a mainboard serial number, a UID (user identification) of the data acquisition unit 5 and control time; the main control unit 1 is authorized and managed in an authorized file mode, and the copyright problem of control system software and the service time of a control system are achieved.
S200, after the authorization file is generated, the monitoring management unit 3 acquires product data of the controlled unit 10; the product data comprises set parameters, starting parameters, operating parameters, forward operation abnormity diagnostic data, reverse operation abnormity diagnostic data and total abnormity diagnostic data; the user can analyze the overall quality condition of the product according to the product data.
S300, the communication unit 2 encrypts and encapsulates the product data and sends the product data to the main control unit 1; the product data is converted into a message format of a data transmission protocol to be sent, so that the specific purpose of the product data and the reliable transmission of the control data are distinguished.
S400, the main control unit 1 analyzes the product data; the main control unit 1 can analyze the product according to the product data so as to analyze the quality of the product, and adjust the controlled unit 10 according to the corresponding analysis so as to improve the quality of the product; the main control unit 1 automatically counts the operation parameters and the operation states of the products, and provides data for analyzing product faults for users.
As shown in fig. 7, further, the authorization unit 6 obtains system data of the main control unit 1 and the monitoring management unit 3, and generates an authorization file, including step S101, the authorization unit 6 performs data transformation according to the system data to generate a first-layer ciphertext; s102, the authorization unit 6 inputs the first layer of ciphertext into a random distribution algorithm to generate a second layer of ciphertext; step S103, the authorization unit 6 inputs the second-layer ciphertext into the MD5 algorithm for conversion, and the converted data is input into the random distribution algorithm again to generate a third-layer ciphertext; the authorization file is the third layer of ciphertext; the MD5 algorithm is a cryptographic hash function that generates a 128-bit hash value to ensure that data transmission is complete and consistent; the authorization file is generated through a three-layer authorization algorithm, so that the use safety of the system is improved, and the product data leakage is prevented.
As shown in fig. 8, further, the communication unit 2 performs encryption and encapsulation processing on the product data, and sends the product data to the main control unit 1, including step S301, generating a packet file according to the transmission data of the product data, where the packet file is represented as: message header + message content + checksum; the message header is the 1 st byte to the nth byte of transmission data; the message content is from the (n + 1) th byte to the (n + 57) th byte of transmission data; the checksum is the next byte of the last byte of the message content in the transmission data; in this embodiment, the header is the 1 st byte to the 6 th byte of the transmission data, the message content is the 7 th byte to the 63 th byte of the transmission data, the header is used to distinguish the specific use of the data of the message content and control the reliable transmission of the data, and the data is checked to determine whether the data is transmitted correctly through checksum.
As shown in fig. 8, further, the header is represented as: the message encapsulation file comprises instruction codes, state codes, data packet counting codes and data length codes, and is expressed as follows: the method comprises the steps of instruction code + state code + data packet count code + data length code + message content + check sum; the instruction code is used for specifying data use; the state code is used for controlling data transmission and data check and response; the data packet counting code is used for data indexing; in this embodiment, the instruction code is the 1 st byte of the product data, and specifies the data use; in this embodiment, the status code is the 2 nd byte of the product data, marks the current data transmission status, and is used for controlling transmission and data checksum response, and the main control unit 1 performs operations such as controlling retransmission of data and determining whether data transmission is completed according to the status; in this embodiment, the data packet count code is a 3 rd byte to a 4 th byte of the product data, and is used for data indexing when transmitting big data, and the main control unit 1 may restore the data in sequence according to the index; in this embodiment, the data length code is from byte 5 to byte 6 of the product data, and does not include the data length of the first 6 bytes and the last byte; in this embodiment, the message content is the 7 th byte to the 63 rd byte of the product data, and is encoded by binary data.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (10)
1. A product quality detection system is characterized by comprising a main control unit, a communication unit, a monitoring management unit, a data conversion unit, a data acquisition unit and a controlled unit, wherein the main control unit, the communication unit, the monitoring management unit, the data conversion unit and the data acquisition unit are sequentially connected, the data conversion unit and the data acquisition unit are respectively and electrically connected with the controlled unit, an authorization unit is arranged between the main control unit and the monitoring management unit, and the authorization unit is respectively connected with the main control unit, the communication unit and the monitoring management unit; the communication unit is used for encrypting, packaging and transmitting product data, the monitoring management unit is used for monitoring and controlling the product quality in real time, the data conversion unit is used for performing digital-to-analog conversion and analog-to-digital conversion on the product data, the data acquisition unit is used for acquiring the product data in real time, and the authorization unit is used for generating an authorization file.
2. The product quality detection system of claim 1, wherein the communication unit comprises a communication protocol unit, a data analysis unit, a data verification unit and a data encapsulation unit, the communication protocol unit, the data analysis unit, the data verification unit and the data encapsulation unit are sequentially connected, the communication protocol unit is connected with the main control unit, and the data encapsulation unit is connected with the monitoring management unit.
3. The product quality detection system of claim 1, wherein the data acquisition unit comprises an operation parameter acquisition unit, an abnormal state acquisition unit and an action acquisition unit, and the parameter acquisition unit, the abnormal state acquisition unit and the action acquisition unit are electrically connected with the data conversion unit and the controlled unit respectively.
4. The product quality detection system of claim 1, wherein the data conversion unit comprises a digital-to-analog conversion unit, an analog-to-digital conversion unit, and an action control unit, and the digital-to-analog conversion unit, the analog-to-digital conversion unit, and the action control unit are electrically connected to the monitoring management unit and the controlled unit, respectively.
5. The product quality detection system of claim 1, further comprising a data processing unit connected to the master control unit.
6. The product quality detection system of claim 1, wherein the product quality detection system comprises an interaction unit and an input unit, the interaction unit and the input unit being electrically connected to the main control unit, respectively; the interaction unit is used for realizing the man-machine interaction between the user and the main control unit.
7. A control method for a product quality detection system, which is used for implementing the operation control of the product quality detection system according to claim 2, specifically comprising the steps of:
the authorization unit acquires system data of the main control unit and the monitoring management unit and generates an authorization file;
after the authorization file is generated, the monitoring management unit acquires product data of the controlled unit;
the communication unit encrypts and encapsulates the product data and sends the product data to the main control unit;
and the main control unit analyzes the product data.
8. The control method of the product quality detection system according to claim 7, wherein the authorization unit obtains system data of the main control unit and the monitoring management unit and generates an authorization file, and the authorization unit performs data transformation according to the system data to generate a first layer of ciphertext; the authorization unit inputs the first layer of ciphertext into a random distribution algorithm to generate a second layer of ciphertext; the authorization unit inputs the second layer of ciphertext into the MD5 algorithm for conversion, and the converted data is input into the random distribution algorithm again to generate a third layer of ciphertext; and the authorization file is the third layer of ciphertext.
9. The method according to claim 7, wherein the communication unit performs encryption and encapsulation processing on the product data and sends the encrypted product data to the main control unit, and the method includes generating a packet encapsulation file according to transmission data of the product data, where the packet encapsulation file is expressed as: message header + message content + checksum; the message header is the 1 st byte to the nth byte of transmission data; the message content is from the (n + 1) th byte to the (n + 57) th byte of transmission data; the checksum is the next byte to the last byte of the message content in the transmission data.
10. The method of claim 9, wherein the header is expressed as: the message encapsulation file comprises instruction codes, state codes, data packet counting codes and data length codes, and is expressed as follows: the method comprises the steps of instruction code + state code + data packet count code + data length code + message content + check sum; the instruction code is used for specifying data use; the state code is used for controlling data transmission and data check and response; the data packet counting code is used for data indexing.
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