CN118089983A - Full-automatic PT100 detection device and detection method thereof - Google Patents
Full-automatic PT100 detection device and detection method thereof Download PDFInfo
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- CN118089983A CN118089983A CN202311314605.3A CN202311314605A CN118089983A CN 118089983 A CN118089983 A CN 118089983A CN 202311314605 A CN202311314605 A CN 202311314605A CN 118089983 A CN118089983 A CN 118089983A
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- 238000001514 detection method Methods 0.000 title claims abstract description 37
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- 238000004088 simulation Methods 0.000 claims description 10
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- 238000005259 measurement Methods 0.000 claims description 5
- 238000013524 data verification Methods 0.000 claims description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 8
- 229910052697 platinum Inorganic materials 0.000 description 4
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Abstract
The invention belongs to the technical field of industrial temperature detection, and particularly relates to a full-automatic PT100 detection device and a detection method thereof, wherein the full-automatic PT100 detection device comprises an upper computer, a multi-path temperature simulator, a detected PT100 acquisition module and a PT100 temperature sensor which are connected in sequence; the multi-path temperature simulator comprises a plurality of temperature control channels which are arranged in parallel; the PT100 collection module to be tested comprises a plurality of collection modules IO, each collection module IO is connected with one of the temperature control channels, and the collection module IO interface is matched with the PT100 temperature sensor interface. When the device is used for detection, the temperature control channels are independently detected and independently controlled, the detection and data analysis processes are all performed fully automatically, the detection process is simple and trouble-saving, the problem of manual acquisition of professionals is solved, and the industrial mode of full-automatic detection is realized.
Description
Technical Field
The invention belongs to the technical field of industrial temperature detection, and particularly relates to a full-automatic PT100 detection device and a detection method thereof.
Background
In the field of industrial production, many production processes need to be performed within a specific temperature range, so that temperature is a very important industrial parameter, and the temperature sensor is used to monitor the temperature of the production processes, so that the sequential performance of the production processes can be ensured. To ensure accuracy of the test result of the temperature sensor, the accuracy of the temperature sensor needs to be periodically detected.
PT100 is a platinum thermal resistor, is a commonly used temperature sensor, and its resistance value changes along with the change of temperature, and the actual test temperature can be obtained through testing its resistance value, and PT 100's measurement accuracy is high, stable performance, but accurate measurement temperature in the industrial production, consequently the application is very extensive.
In industrial application, the PT100 module needs to calibrate its temperature measurement accuracy before use, and usually needs to detect the temperature measurement accuracy of PT100 by using an auxiliary device, for example, in chinese patent No. CN216386061U (a temperature measuring device capable of automatic calibration and calibration in advance), a PT100 element is disposed at the left end of the inner side of the probe rod, a coating is disposed on the outer side wall of the PT100 element, and the coating is made of a material with a specific temperature attribute; the temperature transmitter and the automatic calibration regulating chip are arranged in the shell at the right end of the probe rod, and the PT100 element is electrically connected with the temperature transmitter and the automatic calibration regulating chip; the junction box penetrates through the shell arranged at the right end of the probe rod, and the device can maintain the high-precision temperature measurement requirement in real time. However, the device needs to manually set the simulation temperature, collect data and manually record the test result, so that the whole detection process is complicated and long in time, and needs trained professionals to operate correctly, so that the operation difficulty is high and errors are easy to occur.
Disclosure of Invention
The invention aims to provide a full-automatic PT100 detection device and a detection method thereof, which are used for solving the technical problems in the background art.
In order to achieve the above purpose, the invention discloses a full-automatic PT100 detection device, which comprises an upper computer, a multi-path temperature simulator, a PT100 acquisition module to be detected and a PT100 temperature sensor which are connected in sequence;
The multi-path temperature simulator comprises a plurality of temperature control channels which are arranged in parallel;
The PT100 collection module to be tested comprises a plurality of collection modules IO, each collection module IO is connected with one of the temperature control channels, and the collection module IO interface is matched with the PT100 temperature sensor.
Furthermore, the upper computer is provided with temperature control software which supports Windows and Linux systems and is realized by using a C++ programming language.
Further, the temperature control software comprises an operation catalog, a setting catalog and a storage catalog.
Further, the operation directory includes two start and stop buttons, and can display the state of the temperature control channel, and judge the starting or bad condition of the temperature control channel.
Further, the setting list includes temperature control channel selection and simulated temperature setting, and the number of temperature control channels to be started and the preset simulated temperature of each temperature control channel are selected in the setting list.
Further, the collected temperatures of the collected temperature control channels and the difference value between the collected temperatures and the simulated temperatures are stored in the storage directory, and the historical measurement results stored in the file can be checked through the historical data button.
The invention also claims a detection method of the full-automatic PT100 detection device, which comprises the following steps:
(1) The temperature control software of the upper computer is used for independently setting simulation temperatures for a plurality of temperature control channels which are arranged in parallel;
(2) Inserting the PT100 temperature sensor into a corresponding acquisition module IO in a tested PT100 acquisition module, and collecting the temperature of the PT100 temperature sensor by the tested PT100 acquisition module and uploading the temperature to temperature control software of an upper computer;
(3) The temperature control software of the upper computer processes and analyzes the simulated temperature and the acquired temperature, judges whether the PT100 temperature sensor accords with the use regulation or not according to the difference value of the simulated temperature and the acquired temperature, and needs to calibrate the PT100 temperature sensor, and saves the result into the temperature control software after the judgment is finished, so that the subsequent data analysis and verification are convenient.
Further, in the step (1), the accuracy of the simulated temperature is 0.01-0.2 ℃.
Compared with the prior art, the full-automatic PT100 detection device and the detection method thereof have the following advantages:
(1) According to the invention, temperature control software is installed in an upper computer, the simulated temperature of each temperature control channel is automatically set through the temperature control software, the temperature of the PT100 temperature sensor is acquired through the PT100 acquisition module, and the two temperature data of the simulated temperature and the acquired temperature are compared in the software, so that whether the PT100 temperature sensor meets the use standard is judged.
(2) In the invention, multiple paths of independent detection are arranged, and each temperature control channel in the multiple paths of temperature simulators can be independently provided with temperature, namely, each temperature control channel can be connected with one acquisition module IO, PT100 temperature sensors are independently detected, and simultaneous detection of multiple PT100 temperature sensors at different simulated temperatures can be realized.
(3) According to the invention, the upper computer controls the multipath simulator to set the simulation temperature, automatically collects the temperature data of the PT100 to be detected, and finally analyzes, processes, saves and records the data, so that full-automatic detection can be realized, the problem that a professional is required to manually collect the detection result in the prior art is solved, and the development from a manual mode to the full-automatic detection equipment direction is realized.
Drawings
Fig. 1: the structure of the full-automatic PT100 detection device is schematically shown.
Detailed Description
The following describes the technical scheme of the invention in detail through a specific embodiment and is combined with the accompanying figure 1.
A full-automatic PT100 detection device comprises an upper computer, a multi-path temperature simulator, a PT100 acquisition module and a PT100 temperature sensor which are sequentially connected. The multipath temperature simulator comprises a plurality of temperature control channels which are arranged in parallel, and each temperature control channel is independently arranged and works independently without interference.
The PT100 acquisition module comprises a plurality of acquisition modules IO, each acquisition module IO is connected with one of the temperature control channels, and an acquisition module IO interface is matched with an interface of the PT100 temperature sensor.
The upper computer is provided with temperature control software which supports Windows and Linux systems and is realized by using a C++ programming language. The high-efficiency stable operation of the software system can be ensured.
The temperature control software comprises three main catalogues, namely operation, setting and storage, wherein the operation catalogues comprise a start button and a stop button, the detection process can be controlled, the state of a temperature control channel is displayed at the same time, and the current state of each channel is identified through different colors, for example: enabling-white, disabling-gray, PT100 detecting good-green, PT100 detecting bad-red, it can be visually observed which channels are enabled and which channels detect bad;
Two main functions, namely channel selection and simulated temperature setting, are realized under a set catalog, the number of channels to be started and the preset simulated temperature of each channel are selected under the catalog, and click determination is immediately effective after modification is completed;
The collected temperatures of the collected channels and the difference between the collected temperatures and the simulated temperatures are stored in the storage catalog, and the historical measurement results stored in the file can be checked through the historical data button.
The detection method of the full-automatic PT100 detection device comprises the following steps:
(1) The temperature control software of the upper computer is used for independently setting simulation temperatures for a plurality of temperature control channels which are arranged in parallel; the accuracy of the simulated temperature can reach 0.1 ℃.
(2) Inserting a PT100 temperature sensor into an acquisition module IO of a PT100 acquisition module, and acquiring the temperature of the PT100 temperature sensor by the PT100 acquisition module and uploading the temperature to temperature control software of an upper computer through a temperature control channel connected with the acquisition module IO;
(3) The temperature control software of the upper computer processes and analyzes the simulated temperature and the acquired temperature, and judges whether the PT100 temperature sensor accords with the use rule or not by comparing the difference between the acquired temperature and the simulated temperature, and whether the PT100 temperature sensor needs to be calibrated or not, and the result is stored in the database of the temperature control software after the judgment is finished, so that the subsequent data analysis and verification are convenient.
In the whole detection process, only the PT100 temperature sensor is needed to be inserted into the acquisition module IO, data acquisition and result analysis and comparison are automatically carried out, and the equipment is high in precision and good in stability.
Examples of the invention
The temperature monitoring of different standards is needed in a plurality of areas inside the fan, more PT100 temperature sensors are needed for temperature monitoring, and the method is used for detecting in order to ensure that each item of data measured by the PT100 temperature sensors are accurate and the PT100 temperature sensors can work normally.
The upper computer is used for simulating temperature setting of the multipath temperature simulator, a needed PT100 sensor to be detected is inserted into a corresponding acquisition module IO, the upper computer is waited for comparing the automatically acquired sensor data, namely the acquisition temperature and the set simulation temperature, the difference value is too large, namely the defective product is the defective product, the defective product is replaced, the temperature inside the fan can be immediately put into use for monitoring, and meanwhile, the acquisition module can be mounted on other IO modules which normally work, and the normal operation of the controller is not influenced when the calibration standard is carried out on the PT100 sensor to be detected.
The simulated temperature is a standard and artificially set temperature; the collection temperature is the temperature that the PT100 module that awaits measuring detected, and the collection temperature should equal the simulation temperature under the ideal state, in reality when the collection temperature equals the simulation temperature in certain error range, can judge this PT100 module that awaits measuring accords with the use standard. The error range is referred to the content of the industrial platinum thermal resistor and platinum temperature sensing element 5.1.3 platinum thermal resistor of the national standard GB/T30121-2013.
In the embodiment, the upper computer software is adopted to control the multi-channel temperature simulator, the simulation temperature is set, meanwhile, the measured PT100 temperature data are automatically collected, the manual simulation temperature setting, manual data collection and recording process in the prior art are replaced, meanwhile, a plurality of temperature channels are arranged in the multi-channel temperature simulator, each channel can be independently provided with a temperature value, the precision can reach 0.1 ℃, and the temperature simulator has the characteristics of good temperature control stability, high temperature response speed and the like.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the invention, but any modifications, equivalent substitutions, improvements, etc. within the design concept of the present invention should be included in the scope of the present invention.
Claims (8)
1. A full-automatic PT100 detection device which is characterized in that: the device comprises an upper computer, a multi-path temperature simulator, a PT100 acquisition module to be tested and a PT100 temperature sensor which are connected in sequence;
The multi-path temperature simulator comprises a plurality of temperature control channels which are arranged in parallel;
The PT100 collection module to be tested comprises a plurality of collection modules IO, each collection module IO is connected with one of the temperature control channels, and the collection module IO interface is matched with the PT100 temperature sensor.
2. The fully automatic PT100 detecting device of claim 1, wherein: the upper computer is provided with temperature control software which supports Windows and Linux systems and is realized by using a C++ programming language.
3. The fully automatic PT100 detecting device of claim 2, wherein: the temperature control software comprises an operation catalog, a setting catalog and a storage catalog.
4. The fully automatic PT100 detecting device of claim 3, wherein: the operation directory comprises a start button and a stop button, the state of the temperature control channel can be displayed, and the starting or bad condition of the temperature control channel is judged.
5. The fully automatic PT100 detecting device of claim 3, wherein: the setting list comprises temperature control channel selection and simulated temperature setting, and the number of the temperature control channels to be started and the preset simulated temperature of each temperature control channel are selected under the setting list.
6. The fully automatic PT100 detecting device of claim 3, wherein: and storing the acquired temperature of each acquired temperature control channel and the difference value between the acquired temperature and the simulated temperature under the storage directory, and checking the historical measurement results stored in the file through a historical data button.
7. A detection method of the fully automatic PT100 detecting device as set forth in any one of claims 1-6, comprising the steps of:
(1) The temperature control software of the upper computer is used for independently setting simulation temperatures for a plurality of temperature control channels which are arranged in parallel;
(2) Inserting the PT100 temperature sensor into a corresponding acquisition module IO in a tested PT100 acquisition module, and collecting the temperature of the PT100 temperature sensor by the tested PT100 acquisition module and uploading the temperature to temperature control software of an upper computer;
(3) The temperature control software of the upper computer processes and analyzes the simulated temperature and the acquired temperature, judges whether the PT100 temperature sensor accords with the use regulation or not according to the difference value of the simulated temperature and the acquired temperature, and needs to calibrate the PT100 temperature sensor, and saves the result into the temperature control software after the judgment is finished, so that the subsequent data analysis and verification are convenient.
8. The method of detection according to claim 7, wherein: in the step (1), the accuracy of the simulated temperature is 0.01-0.2 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311314605.3A CN118089983A (en) | 2023-10-12 | 2023-10-12 | Full-automatic PT100 detection device and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311314605.3A CN118089983A (en) | 2023-10-12 | 2023-10-12 | Full-automatic PT100 detection device and detection method thereof |
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| CN202311314605.3A Pending CN118089983A (en) | 2023-10-12 | 2023-10-12 | Full-automatic PT100 detection device and detection method thereof |
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