CN111721446A - Platform and method for integrated intelligent test of temperature sensor - Google Patents
Platform and method for integrated intelligent test of temperature sensor Download PDFInfo
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- CN111721446A CN111721446A CN202010577700.2A CN202010577700A CN111721446A CN 111721446 A CN111721446 A CN 111721446A CN 202010577700 A CN202010577700 A CN 202010577700A CN 111721446 A CN111721446 A CN 111721446A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/007—Testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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Abstract
The invention discloses a platform and a method for integrated intelligent test of a temperature sensor, wherein the platform comprises a temperature sensor test board, an intelligent gateway and a background data centralized control center; the temperature sensor test board is used for acquiring data information of a temperature sensor to be tested and sending the data information to the intelligent gateway; the intelligent gateway is used for identifying a communication protocol of the temperature sensor, visually displaying temperature data through a visual interface after message analysis is carried out on data information according to protocol types, and comparing the temperature data with an initial set temperature to analyze the temperature measurement performance of the temperature sensor; sending the original data information and the temperature measurement performance analysis result to a background data centralized control center; the background data centralized control center analyzes and processes the temperature measurement performance of the temperature sensor through a big data analysis technology and sends a control instruction to the temperature sensor test board and the intelligent gateway. The invention can carry out systematic and comprehensive detection on the temperature sensor, converts the original manual test into an intelligent test and improves the test efficiency.
Description
Technical Field
The invention relates to a platform and a method for integrated intelligent test of a temperature sensor, belonging to the technical field of sensor test.
Background
The basic concept of the Internet of things is to realize the communication and information exchange between objects, and the integration and exchange are carried out with the Internet through intelligent sensing, recognition technology and communication technology, so as to realize the connection, exchange and control between the objects. The development process of the power distribution internet of things is catalyzed by the concept of the ubiquitous power internet of things, and the traditional low-voltage power distribution network is difficult to meet the development requirements of intellectualization, informatization and high precision of the existing power grid. The distribution power consumption low-voltage equipment volume is wide and the equipment total volume continues to increase, and the access of new elements such as distributed generator, electric pile all makes current distribution automation can't bear the general demand of perception of low-voltage distribution network thing allies oneself with on equipment perception and communication transmission.
The key basis of the technologies of intelligent control of a distribution network, unmanned distribution room, Internet of things and the like lies in a front-end sensing layer, and the sensing layer is a bottom layer support of the Internet of things, is a key part of information acquisition and is the core of future development of the Internet of things of distribution. The sensing layer is composed of sensors in various forms, and can be divided into active sensors (battery powered) and passive sensors (magnetic field power taking, electric field power taking, temperature difference power taking, vibration power taking, pressure power taking and the like) according to power supply modes; according to the measurement mode, the method can be divided into a contact type sensor (a thermocouple, a thermistor, a pressure sensor and the like) and a non-contact type sensor (infrared temperature measurement); according to the communication mode, the communication can be divided into wired connection communication (RS485, RS232, switching value and the like) and wireless connection communication (430MHz, 315MHz and the like).
The sensing technology developed at a high speed puts higher requirements on quality control and standard specifications of the temperature sensor, but the whole industry and related detection mechanisms do not have a systematic and comprehensive detection scheme, means and standard for the temperature sensor applied in a power grid at present, most of the detection mechanisms only carry out partial function detection aiming at specific sensor manufacturers, and the test standard and the standard of the comprehensive systematic temperature sensor are lacked.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a platform and a method for integrated intelligent testing of temperature sensors, which can solve the problem that the current whole industry and related detection mechanisms have no systematic and comprehensive detection scheme for various temperature sensors applied in a power grid.
The technical scheme adopted for solving the technical problems is as follows:
on one hand, the platform for the integrated intelligent test of the temperature sensor provided by the embodiment of the invention comprises a temperature sensor test bench, an intelligent gateway and a background data centralized control center;
the temperature sensor test board is used for acquiring data information of a temperature sensor to be tested and sending the data information to the intelligent gateway;
the intelligent gateway is used for identifying a communication protocol of the temperature sensor, visually displaying temperature data of the test sensor through a visual interface after message analysis is carried out on data information of the temperature sensor to be tested according to a protocol type, and comparing the data information with an initial set temperature to analyze the temperature measurement performance of the temperature sensor; and simultaneously, sending the original data information of the temperature sensor and the temperature measurement performance analysis result to a background data centralized control center.
And the background data centralized control center is used for analyzing and processing the temperature measurement performance of the temperature sensor through a big data analysis technology and sending a control instruction to the temperature sensor test board and the intelligent gateway.
As a possible implementation manner of this embodiment, the temperature sensor to be tested includes a contact temperature sensor and a non-contact temperature sensor, the temperature sensor test bench includes a high-precision heat source and a high-precision black body radiation source, the high-precision heat source provides a standard temperature for the contact temperature sensor, and the high-precision black body radiation source provides a standard temperature for the non-contact temperature sensor.
As one possible implementation manner of the present embodiment, the contact temperature sensors include a PT100 temperature sensor, an 18B20 temperature sensor, a thermocouple type temperature sensor, a thermistor type temperature sensor, and a pressure type temperature sensor.
As a possible implementation manner of this embodiment, the non-contact temperature sensor includes an infrared temperature measurement sensor.
As a possible implementation manner of this embodiment, the intelligent gateway is connected to the temperature sensor in a wired connection manner or a wireless connection manner; the wired connection mode comprises an RS485 connection mode, an RS232 connection mode and a switching value connection mode; the wireless connection mode comprises a Bluetooth communication mode, an MQTT protocol communication mode, a CoAP protocol communication mode, a 433MHz communication mode and a 2.4G protocol communication mode.
As a possible implementation manner of this embodiment, the intelligent gateway has an edge computing capability, and performs summarization, storage, and intelligent decision analysis on sensor access data.
As a possible implementation manner of this embodiment, the intelligent gateway has a temperature measurement result visualization interface, visually displays the model, category, test temperature, data transmission time, and communication protocol type parameters of the temperature sensor, and analyzes the basic function, measurement accuracy, operational reliability, communication link stability, data transmission instantaneity, and correctness of the temperature sensor.
On the other hand, the method for the integrated intelligent test of the temperature sensor provided by the embodiment of the invention comprises the following steps:
placing a sensor to be tested on a temperature sensor test bench and providing a standard temperature for the temperature sensor;
automatically identifying a communication protocol of a temperature sensor to be tested, analyzing the temperature data of the temperature sensor according to the protocol type, and visually displaying the temperature data of the test sensor through a visual interface;
comparing with the initial set temperature, analyzing and testing the temperature measurement performance of the temperature sensor; meanwhile, the original data information and the temperature measurement performance analysis result of the temperature sensor are sent to a background data centralized control center;
analyzing and processing the temperature measurement performance of the temperature sensor by a big data analysis technology, and sending a control instruction to the temperature sensor test board and the intelligent gateway
As a possible implementation manner of this embodiment, the temperature sensor to be tested includes a contact temperature sensor and a non-contact temperature sensor;
placing the contact type temperature sensor on a temperature sensor test bench, and providing a standard temperature for the contact type temperature sensor by adopting a high-precision heat source;
the non-contact temperature sensor is placed on a temperature sensor test bench, and a high-precision black body radiation source is adopted to provide standard temperature for the non-contact temperature sensor.
As a possible implementation of this embodiment, during the test,
changing the initial set temperature provided by the temperature sensor, and testing the stability, the instantaneity and the correctness of the communication link of the sensor and the data transmission;
and increasing the distance between the temperature sensor to be tested and the intelligent gateway, and testing the stability, the instantaneity and the correctness of the transmission distance to the communication link of the temperature sensor.
The technical scheme of the embodiment of the invention has the following beneficial effects:
the invention not only can carry out systematic and comprehensive detection on the temperature sensor, but also converts the original manual test into an intelligent test, thereby improving the test efficiency and avoiding the misoperation of people and the objective judgment result of people.
Description of the drawings:
FIG. 1 is a schematic structural diagram illustrating a platform for integrated intelligent testing of temperature sensors in accordance with an exemplary embodiment;
fig. 2 is a structural diagram of an embodiment of a platform for integrated intelligent testing of a temperature sensor according to the present invention.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
in order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention.
Fig. 1 is a schematic structural diagram illustrating a platform for integrated intelligent test of a temperature sensor according to an exemplary embodiment. As shown in fig. 1, a platform for integrated intelligent test of a temperature sensor provided in an embodiment of the present invention includes a temperature sensor test platform, an intelligent gateway, and a background data centralized control center;
the temperature sensor test board is used for acquiring data information of a temperature sensor to be tested and sending the data information to the intelligent gateway;
the intelligent gateway is used for identifying a communication protocol of the temperature sensor, visually displaying temperature data of the test sensor through a visual interface after message analysis is carried out on data information of the temperature sensor to be tested according to a protocol type, and comparing the data information with an initial set temperature to analyze the temperature measurement performance of the temperature sensor; and simultaneously, sending the original data information of the temperature sensor and the temperature measurement performance analysis result to a background data centralized control center.
And the background data centralized control center is used for analyzing and processing the temperature measurement performance of the temperature sensor through a big data analysis technology and sending a control instruction to the temperature sensor test board and the intelligent gateway.
As a possible implementation manner of this embodiment, the temperature sensor to be tested includes a contact temperature sensor and a non-contact temperature sensor, the temperature sensor test bench includes a high-precision heat source and a high-precision black body radiation source, the high-precision heat source provides a standard temperature for the contact temperature sensor, and the high-precision black body radiation source provides a standard temperature for the non-contact temperature sensor.
As one possible implementation manner of the present embodiment, the contact temperature sensors include a PT100 temperature sensor, an 18B20 temperature sensor, a thermocouple type temperature sensor, a thermistor type temperature sensor, and a pressure type temperature sensor.
As a possible implementation manner of this embodiment, the non-contact temperature sensor includes an infrared temperature measurement sensor.
As a possible implementation manner of this embodiment, the intelligent gateway is connected to the temperature sensor in a wired connection manner or a wireless connection manner; the wired connection mode comprises an RS485 connection mode, an RS232 connection mode and a switching value connection mode; the wireless connection mode comprises a Bluetooth communication mode, an MQTT protocol communication mode, a CoAP protocol communication mode, a 433MHz communication mode and a 2.4G protocol communication mode.
As a possible implementation manner of this embodiment, the intelligent gateway has an edge computing capability, and performs summarization, storage, and intelligent decision analysis on sensor access data.
As a possible implementation manner of this embodiment, the intelligent gateway has a temperature measurement result visualization interface, visually displays the model, category, test temperature, data transmission time, and communication protocol type parameters of the temperature sensor, and analyzes the basic function, measurement accuracy, operational reliability, communication link stability, data transmission instantaneity, and correctness of the temperature sensor.
As shown in fig. 2, the station of the present invention includes three modules, which are a temperature sensor test station, an intelligent gateway, and a background data centralized control center. The temperature sensor test bench and the intelligent gateway are mainly described in detail.
According to the sensor measurement mode, the test sensor is divided into a contact sensor and a non-contact sensor. The touch sensors may be classified into PT100, 18B20, thermocouple type temperature sensors, thermistor type temperature sensors, pressure type temperature sensors, and the like; the non-contact temperature sensor mainly takes an infrared temperature measurement sensor as a main part. For a contact sensor and a non-contact sensor, a high-precision heat source and a high-precision blackbody device are respectively configured, and standard temperature is input into the sensors.
The intelligent gateway can also be regarded as a universal protocol agent and has the communication protocol access capability of different types of temperature sensors. On one hand, the measurement data of the temperature sensor can be accessed to the intelligent gateway through wired connection modes such as RS485, RS232 and switching value; on the other hand, the intelligent gateway also has the sensor measurement data access capability of a wireless connection mode, is classified according to an application layer protocol, has the MQTT, CoAP and Bluetooth protocol analysis capabilities, is classified according to a transport layer protocol, and has the 433MHz and 2.4G protocol analysis capabilities. The intelligent gateway adopts the design concept of a software defined terminal, APP test items such as the basic performance of the sensor, the stability, the instantaneity, the correctness and the like of communication transmission, and flexibly maintain, expand and upgrade the sensor at the later stage according to the requirements; in addition, the intelligent gateway also has edge computing capability, and can collect, store and intelligently decide and analyze the sensor access data. The intelligent gateway client also has a temperature measurement result visual interface, and can visually display parameters such as the model, the category, the test temperature, the data transmission time, the communication protocol type and the like of the temperature sensor, and analyze the basic functions, the measurement precision, the operation reliability, the communication link stability, the data transmission instantaneity, the correctness and the like of the temperature sensor.
The intelligent gateway sends the test result of the temperature sensor to the data centralized control center in the mode of RS485 or wireless router, and the operation control and the background operation and maintenance are carried out on the whole intelligent temperature sensor integrated test platform through the big data analysis technology.
On the other hand, the method for the integrated intelligent test of the temperature sensor provided by the embodiment of the invention comprises the following steps:
placing a sensor to be tested on a temperature sensor test bench and providing a standard temperature for the temperature sensor;
automatically identifying a communication protocol of a temperature sensor to be tested, analyzing the temperature data of the temperature sensor according to the protocol type, and visually displaying the temperature data of the test sensor through a visual interface;
comparing with the initial set temperature, analyzing and testing the temperature measurement performance of the temperature sensor; meanwhile, the original data information and the temperature measurement performance analysis result of the temperature sensor are sent to a background data centralized control center;
analyzing and processing the temperature measurement performance of the temperature sensor by a big data analysis technology, and sending a control instruction to the temperature sensor test board and the intelligent gateway
As a possible implementation manner of this embodiment, the temperature sensor to be tested includes a contact temperature sensor and a non-contact temperature sensor;
placing the contact type temperature sensor on a temperature sensor test bench, providing a standard temperature for the contact type temperature sensor by adopting a high-precision heat source, and setting the initial set temperature with the set precision of +/-0.1 ℃;
the non-contact temperature sensor is placed on a temperature sensor test bench, a high-precision black body radiation source is adopted to provide standard temperature for the non-contact temperature sensor, and the setting precision is +/-0.1 ℃ of initial setting temperature.
As a possible implementation of this embodiment, during the test,
changing the initial set temperature provided by the temperature sensor, and testing the stability, the instantaneity and the correctness of the communication link of the sensor and the data transmission;
and increasing the distance between the temperature sensor to be tested and the intelligent gateway, and testing the stability, the instantaneity and the correctness of the transmission distance to the communication link of the temperature sensor.
The foregoing is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements are also considered to be within the scope of the present invention.
Claims (10)
1. A platform for integrated intelligent test of a temperature sensor is characterized by comprising a temperature sensor test board, an intelligent gateway and a background data centralized control center;
the temperature sensor test board is used for acquiring data information of a temperature sensor to be tested and sending the data information to the intelligent gateway;
the intelligent gateway is used for identifying a communication protocol of the temperature sensor, visually displaying temperature data of the test sensor through a visual interface after message analysis is carried out on data information of the temperature sensor to be tested according to a protocol type, and comparing the data information with an initial set temperature to analyze the temperature measurement performance of the temperature sensor; and simultaneously, sending the original data information of the temperature sensor and the temperature measurement performance analysis result to a background data centralized control center.
And the background data centralized control center is used for analyzing and processing the temperature measurement performance of the temperature sensor through a big data analysis technology and sending a control instruction to the temperature sensor test board and the intelligent gateway.
2. The platform of claim 1, wherein the temperature sensors to be tested comprise contact temperature sensors and non-contact temperature sensors, the temperature sensor testing platform comprises a high-precision heat source and a high-precision black body radiation source, the high-precision heat source provides a standard temperature for the contact temperature sensors, and the high-precision black body radiation source provides a standard temperature for the non-contact temperature sensors.
3. The platform of claim 2, wherein the contact temperature sensors comprise a PT100 temperature sensor, an 18B20 temperature sensor, a thermocouple temperature sensor, a thermistor temperature sensor, and a pressure temperature sensor.
4. The platform of claim 2, wherein the non-contact temperature sensor comprises an infrared temperature sensor.
5. The platform for the integrated intelligent test of the temperature sensor as claimed in claim 1, wherein the intelligent gateway is connected with the temperature sensor in a wired connection manner or a wireless connection manner; the wired connection mode comprises an RS485 connection mode, an RS232 connection mode and a switching value connection mode; the wireless connection mode comprises a Bluetooth communication mode, an MQTT protocol communication mode, a CoAP protocol communication mode, a 433MHz communication mode and a 2.4G protocol communication mode.
6. The platform of claim 1, wherein the intelligent gateway has edge computing capability to summarize, store and intelligently make decision analysis on sensor access data.
7. The platform of claim 1, wherein the intelligent gateway has a temperature measurement result visualization interface, and is capable of visually displaying the model, type, test temperature, data transmission time, and communication protocol type parameters of the temperature sensor, and analyzing the basic functions, measurement accuracy, operational reliability, communication link stability, data transmission instantaneity, and correctness of the temperature sensor.
8. A method for integrally and intelligently testing a temperature sensor is characterized by comprising the following steps of:
placing a sensor to be tested on a temperature sensor test bench and providing a standard temperature for the temperature sensor;
automatically identifying a communication protocol of a temperature sensor to be tested, analyzing the temperature data of the temperature sensor according to the protocol type, and visually displaying the temperature data of the test sensor through a visual interface;
comparing with the initial set temperature, analyzing and testing the temperature measurement performance of the temperature sensor; meanwhile, the original data information and the temperature measurement performance analysis result of the temperature sensor are sent to a background data centralized control center;
and analyzing and processing the temperature measurement performance of the temperature sensor by a big data analysis technology, and sending a control instruction to the temperature sensor test board and the intelligent gateway.
9. The method for the integrated intelligent test of the temperature sensor as claimed in claim 8, wherein the temperature sensor to be tested comprises a contact temperature sensor and a non-contact temperature sensor;
placing the contact type temperature sensor on a temperature sensor test bench, and providing a standard temperature for the contact type temperature sensor by adopting a high-precision heat source;
the non-contact temperature sensor is placed on a temperature sensor test bench, and a high-precision black body radiation source is adopted to provide standard temperature for the non-contact temperature sensor.
10. The method for intelligent integrated test of temperature sensor as claimed in claim 8 or 9, wherein during the test,
changing the initial set temperature provided by the temperature sensor, and testing the stability, the instantaneity and the correctness of the communication link of the sensor and the data transmission;
and increasing the distance between the temperature sensor to be tested and the intelligent gateway, and testing the stability, the instantaneity and the correctness of the transmission distance to the communication link of the temperature sensor.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102685929A (en) * | 2011-03-14 | 2012-09-19 | 淮阴工学院 | Intelligent video fire detection Internet of things system |
| KR101823010B1 (en) * | 2017-09-22 | 2018-01-30 | 주식회사 한국이알이시 | Eco-friendly switchgear having partial discharge diagnosis function and iot technology |
| CN108917958A (en) * | 2018-07-19 | 2018-11-30 | 天津青创科技有限公司 | A kind of Intelligent internet of things temp measuring system |
| CN208207555U (en) * | 2018-04-16 | 2018-12-07 | 中铁十二局集团第七工程有限公司 | A kind of SCM Based temperature monitoring system and bridge maintenance system |
| CN109253812A (en) * | 2018-09-05 | 2019-01-22 | 上海力自高实业有限公司 | A kind of Internet of Things temperature acquisition system |
| CN111198049A (en) * | 2020-01-09 | 2020-05-26 | 浙江中新电力工程建设有限公司自动化分公司 | Remote intelligent online temperature measurement system for power equipment based on ubiquitous power Internet of things |
| CN210780850U (en) * | 2019-09-17 | 2020-06-16 | 无锡专心智制科技有限公司 | Internet of things radio frequency control intelligent gateway |
-
2020
- 2020-06-22 CN CN202010577700.2A patent/CN111721446A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102685929A (en) * | 2011-03-14 | 2012-09-19 | 淮阴工学院 | Intelligent video fire detection Internet of things system |
| KR101823010B1 (en) * | 2017-09-22 | 2018-01-30 | 주식회사 한국이알이시 | Eco-friendly switchgear having partial discharge diagnosis function and iot technology |
| CN208207555U (en) * | 2018-04-16 | 2018-12-07 | 中铁十二局集团第七工程有限公司 | A kind of SCM Based temperature monitoring system and bridge maintenance system |
| CN108917958A (en) * | 2018-07-19 | 2018-11-30 | 天津青创科技有限公司 | A kind of Intelligent internet of things temp measuring system |
| CN109253812A (en) * | 2018-09-05 | 2019-01-22 | 上海力自高实业有限公司 | A kind of Internet of Things temperature acquisition system |
| CN210780850U (en) * | 2019-09-17 | 2020-06-16 | 无锡专心智制科技有限公司 | Internet of things radio frequency control intelligent gateway |
| CN111198049A (en) * | 2020-01-09 | 2020-05-26 | 浙江中新电力工程建设有限公司自动化分公司 | Remote intelligent online temperature measurement system for power equipment based on ubiquitous power Internet of things |
Non-Patent Citations (1)
| Title |
|---|
| 陈林: "基于嵌入式技术的智能网关设计", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
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Application publication date: 20200929 |