CN111122934A - Oscilloscope system based on internet of things technology - Google Patents
Oscilloscope system based on internet of things technology Download PDFInfo
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- CN111122934A CN111122934A CN202010003825.4A CN202010003825A CN111122934A CN 111122934 A CN111122934 A CN 111122934A CN 202010003825 A CN202010003825 A CN 202010003825A CN 111122934 A CN111122934 A CN 111122934A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
- G01R13/0209—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form in numerical form
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
- G01R13/029—Software therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/04—Arrangements for displaying electric variables or waveforms for producing permanent records
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The invention discloses an oscilloscope system realized based on the technology of the Internet of things, which is characterized by comprising the following components: the system comprises a plurality of acquisition terminals, a data processing server and an oscilloscope management client. The acquisition terminal takes a high-precision sensor and a high-speed transmission communication module as a core, and socket circulating communication based on a TCP protocol and a data processing server carry out data transmission in real time. And the oscilloscope management client receives the acquired data of the specific acquisition terminal issued by the data processing server through WebSocket instant messaging, and presents the data according to the interface style specified by the user. The oscilloscope system provided by the invention can reduce the distortion caused by data transmission through the zigbee in the prior art on the premise of ensuring high-efficiency data communication, and can be used across regions.
Description
Technical Field
The invention relates to the field of program-controlled instruments and meters, in particular to an oscilloscope system realized based on the technology of Internet of things. The oscilloscope system combines a real-time and efficient communication technology to separate an electric signal acquisition component from a data presentation interface, and realizes the cross-region use of the oscilloscope system.
Background
Oscilloscopes are one of the important instruments in electronic testing, and are widely used in the production and testing processes of various electronic products. With the development of communication technologies, the successive appearance of various high-precision sensors, and the increasing efficiency of data analysis algorithms, virtual oscilloscopes with separate data acquisition and display begin to appear. The composition of a prior art data acquisition and display separation virtual oscilloscope (patent application No. CN201521104448.4) is shown in fig. 1. The data acquisition module comprises a first storage battery, an MCU chip, a program control amplification circuit, an ADC, a storage chip, a USB interface and a Zigbee data transmission module. The virtual oscilloscope display part comprises a transmission mode conversion module consisting of a Zigbee data transmission module, a singlechip and a WIFI transmission module, and is used as a computer of an oscilloscope display interface. The data acquisition module transmits acquired electric signal data to the transmission mode conversion module through Zigbee, and the transmission mode conversion module transmits the received data to a computer for display through the WIFI transmission module. The Zigbee is selected as a data transmission mode, the transmission distance is limited, and the Zigbee is used as a relatively low-speed communication mode, so that the real-time property of data transmission cannot be ensured during high-frequency acquisition, and the probability of distortion phenomenon can be increased. In addition, the communication module of the transmission conversion module is selected as the WIFI module, which also causes geographical limitation of equipment use, and can only be used in a fixed area range, and cross-region remote use cannot be realized.
Disclosure of Invention
Aiming at the defects of the existing virtual oscilloscope schemes, the invention provides an oscilloscope system realized based on the technology of the Internet of things. According to the system, the data processing server is arranged and is communicated with the data acquisition terminal to establish socket circulating communication based on a 4G/5G communication network and a TCP (transmission control protocol) to guarantee efficient data transmission and accuracy, and the problems of false images or confusion waves, distortion and the like existing in the conventional virtual oscilloscope products can be effectively solved. And the oscilloscope management client acquires and displays data acquired by a specific acquisition module to be checked through the Websocket communication interface. The server is additionally arranged to process the acquired data of a large number of data acquisition modules in real time, so that a large number of oscilloscopes can be generated, and the related cost is saved for enterprises needing to use a large number of oscilloscopes.
The technical scheme provided by the invention is specifically realized as follows:
an oscilloscope system realized based on the technology of the Internet of things, the system comprises: the system comprises one or more data acquisition terminals, a data processing server and an oscilloscope management client; the data acquisition terminal is communicated with the data processing server through a specified IP and a specified port, acquires electric signals according to target working parameters issued by the data processing server and uploads the acquired electric signal data to the data processing server; and the data processing server receives and caches the electric signal data acquired by the data acquisition terminal, and sends the cached data corresponding to the specific data acquisition terminal to the oscilloscope management client for displaying on an oscilloscope interface with a specified style according to an http request sent by the oscilloscope management client for acquiring the electric signal data acquired by the specific data acquisition terminal. The data acquisition terminal is communicated with the data processing server through a socket, and sends a unique identifier for identifying the data acquisition terminal and the data processing server when the socket is established. And the data processing server establishes a corresponding data cache region for a specific data acquisition terminal and distinguishes the data cache region by the unique identifier of the specific data acquisition terminal. And the oscilloscope management client acquires the electric signal data acquired by the specific data acquisition terminal through an http request. After receiving an http request for acquiring data by the oscilloscope client, the data processing service establishes an instant messaging connection with the oscilloscope client through WebSocket, and sends the electric signal data acquired by the specific data acquisition terminal to the oscilloscope management client for display through the established WebSocket instant messaging connection.
Further, the oscilloscope management client sends a configuration request for setting working parameters of a certain data acquisition terminal, wherein the request includes target working parameters. And the data processing server issues the target working parameters to the corresponding data acquisition terminal based on the configuration request so as to configure the data acquisition terminal to acquire data according to the target working parameters. Preferably, the configuration request is a Post request of an Http protocol, and the Post is used to convert the target working parameter into a json format character string and send the json format character string to the data processing server. And after analyzing the json format character string in the Post request, the data processing server generates a corresponding control protocol frame and sends the control protocol frame to a related data acquisition terminal, and modifies the working parameters of the data acquisition terminal into the target working parameters.
Further, the system is also provided with a database connected with the data processing server. And the data processing server synchronously writes the acquired data of each data acquisition terminal into the database for persistent storage so that the oscilloscope client can review the data.
Drawings
FIG. 1 is a schematic diagram of a conventional virtual oscilloscope;
FIG. 2 is a flowchart of the oscilloscope system based on the technology of Internet of things;
fig. 3 is a schematic diagram of a data acquisition terminal in the oscilloscope system provided by the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages solved by the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The oscilloscope system based on the Internet of things provided by the invention comprises: the system comprises one or more data acquisition terminals, a data processing server and an oscilloscope management client. The overall workflow is shown in fig. 2, in which the data acquisition terminal A, B uses Socket sockets to communicate with the data processing server through a designated IP and port. When the socket connection is established, the data acquisition terminals A, B each send a unique identifier for identifying itself to the data processing server. The data processing servers respectively establish corresponding data cache regions for the data acquisition terminals A, B and distinguish the data cache regions by the unique identifiers of the data acquisition terminals A, B. In order to ensure real-time data transmission, the data acquisition terminal A, B transmits data to the data processing server via a 4G/5G network. The data acquisition terminal A or B encapsulates the acquired data into a protocol frame in a hexadecimal format and sends the protocol frame to the data processing server in real time, and the data processing server analyzes and checks errors after receiving the data frame and directly discards an abnormal data frame; and writing the data obtained after normal data frame analysis into a database through JDBC drive connection for persistent storage, and synchronizing the data obtained after analysis into a data cache region corresponding to the unique identifier of the data acquisition terminal.
The oscilloscope management client sides 1 and 2 communicate with the data processing server through a network. The oscilloscope management client sides 1 and 2 can send configuration requests for setting working parameters of the data acquisition terminal A or the data acquisition terminal B; the request includes target operating parameters. And the data processing server issues the target working parameters to the corresponding data acquisition terminal based on the configuration request so as to configure the data acquisition terminal to acquire data according to the target working parameters. Preferably, the configuration request is a Post request of an Http protocol, and the Post is used to convert the target working parameter into a json format character string and send the json format character string to the data processing server. The data processing server analyzes the json format character string in the Post request and then checks the json format character string; if the data is abnormal, returning a parameter configuration abnormity prompt to the management software, and requiring reconfiguration by an operator; and if no abnormity exists, the data processing server B generates a hexadecimal control protocol frame, and control instruction issuing is carried out through the socket communication established with the data acquisition terminal A or B. And after receiving and analyzing the control protocol frame, the data acquisition terminal A or B automatically modifies the working parameters into the target working parameters according to the content of the control protocol frame and then performs data acquisition.
And when the oscilloscope management client 1 or 2 sends an http request for acquiring the electric signal data acquired by the data acquisition terminal A or B, the data processing server establishes WebSocket instant communication connection with the data processing server. And returning the data of the data cache region corresponding to the unique identifier of the data acquisition terminal A or B to the oscilloscope management client in real time in a json character string format through WebSocket instant messaging connection. And after receiving and processing the data in the data cache region, the oscilloscope management client displays the data in different interface styles such as curves, icons, numbers and the like according to the selection of a user. The oscilloscope management client also provides a corresponding interface to enable a user to modify the density, interval, presentation mode and the like of data presentation in real time.
The data acquisition terminal in the oscilloscope system provided by the invention is shown in figure 3. The data acquisition terminal includes: the device comprises an electric signal sensor, a data processing unit, a storage module and a communication module. Wherein, the electric signal sensor is used for detecting the electro-physical quantity; the data processing unit acquires the electro-physical quantity according to the target working parameters issued by the data processing server, converts the acquired electro-physical quantity into digital data, and then encapsulates the digital data into data frames according to a preset format to send the data frames to the data processing server; the communication module is a module supporting 4G or 5G communication; the storage module is used for temporarily storing/storing data.
According to the technical scheme provided by the invention, on the premise of ensuring high-efficiency data communication, the distortion caused by data transmission through zigbee in the prior art is reduced, and the application distance of the conventional virtual oscilloscope is greatly expanded to realize cross-region use of the virtual oscilloscope. For enterprises or production organizations needing a large amount of oscilloscopes, the oscilloscopes which can be used in batches can be obtained only by adding one data processing server, and the related cost is greatly saved.
Claims (6)
1. The utility model provides an oscilloscope system based on internet of things realizes which characterized in that, the system includes: the system comprises one or more data acquisition terminals, a data processing server and an oscilloscope management client;
each data acquisition terminal is communicated with the data processing server through a specified IP and a specified port, acquires electric signals according to target working parameters issued by the data processing server and uploads the acquired electric signal data to the data processing server in real time;
the data processing server is used for caching the electric signal data acquired by each data acquisition terminal and sending the cached data corresponding to the specific data acquisition terminal to the oscilloscope management client in real time according to an http request for acquiring the electric signal data acquired by the specific data acquisition terminal, wherein the http request is sent by the oscilloscope management client;
and the oscilloscope management client is used for requesting the data processing server to acquire the electric signal data acquired by the specific data acquisition terminal and displaying the acquired electric signal data on an oscilloscope interface with a specified style.
2. The oscilloscope system according to claim 1, wherein each of the data acquisition terminals communicates with the data processing server through a socket based on a 4G/5G network, and transmits a unique identifier for identifying itself when establishing the socket communication connection; and the data processing server establishes corresponding data cache regions for different data acquisition terminals and distinguishes the data cache regions by the unique identification of the specific data acquisition terminal.
3. The oscilloscope system according to claim 2, further provided with a database connected to said data processing server; each data acquisition terminal encapsulates acquired data into a protocol frame in a hexadecimal format and sends the protocol frame to the data processing server in real time, and the data processing server analyzes and checks errors after receiving the data frame and directly discards abnormal data frames; and writing the data obtained after normal data frame analysis into the database through JDBC drive connection for persistent storage, and synchronizing the data obtained after analysis into a data cache region corresponding to the unique identifier of the data acquisition terminal.
4. The oscilloscope system according to claim 1, wherein the oscilloscope management client receives the electrical signal data of the specific acquisition terminal issued by the data processing server through WebSocket instant messaging.
5. The oscilloscope system according to any one of claims 1 to 4, wherein said oscilloscope management client is further configured to send a configuration request for setting an operating parameter of a certain said data acquisition terminal, said request including a target operating parameter; and the data processing server issues the target working parameters to the corresponding data acquisition terminal based on the configuration request so as to configure the data acquisition terminal to acquire data according to the target working parameters.
6. The oscilloscope system according to claim 5, wherein the oscilloscope management client is further configured to send a configuration request for setting a working parameter of the data acquisition terminal, and is specifically implemented as: converting a target working parameter configured on a certain data acquisition terminal into a json format character string through a Post request of an http protocol, and sending the json format character string to the data processing server; and after the data processing server analyzes and verifies the json format character string in the Post request, generating a corresponding control protocol frame and issuing the control protocol frame to a corresponding data acquisition terminal, and modifying the working parameters of the data acquisition terminal into the target working parameters.
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| CN202010003825.4A CN111122934A (en) | 2020-01-03 | 2020-01-03 | Oscilloscope system based on internet of things technology |
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Cited By (3)
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| CN112202742A (en) * | 2020-09-23 | 2021-01-08 | 航天云网数据研究院(广东)有限公司 | Data processing method of rolling mill equipment based on 5G network and related equipment |
| CN113110233A (en) * | 2021-05-10 | 2021-07-13 | 深圳时空数字科技有限公司 | Multi-device data acquisition and management system |
| CN113295900A (en) * | 2021-05-26 | 2021-08-24 | 华北电力大学 | Cloud digital storage oscilloscope system based on 5G technology and measurement method |
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