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Fabrication and calibration of thermocouples
Balák, Martin ; Svoboda, Josef (referee) ; Foral, Štěpán (advisor)
This thesis is focused on the creation of laboratory task. The first part describes the operating principle of the thermocouple and according to which the physical laws are working. The thesis also shows the main categories of the division of thermocouple. Next chapter explains the composition of thermocouple welder, its main components and how the process of welding thermocouple wire is under way. The last chapter of the theoretical part is focused on the calibration of thermocouples. This chapter explains what the calibration is and it also shows the examples of calibration on real devices. The first part of the practical section describes the construction of the laboratory product and what materials were used for the given construction. The following part deals with the electrical interior of the thermocouple welder. Electrical diagram is described and there is also the description of how to direct and regulate the supply voltage and how it reaches the clamps of the capacitor. Its charging is observed by measuring instrument (voltmeter). The thesis works with the proper welding procedure, its potential problems, and the correct method of welding because the weld must be in sufficient quality in order to pass the calibration. This work also shows how the welds should not look and what to do in case they do not look well. The second part of the practical section deals with the comparison of welded thermocouples tested on produced product and on SR80 UWO. The three pieces of thermocouples were welded on each of them. Their following comparison is the proof of the quality of the welding preparation. The last part of the second practical part is focused on the calibration of the thermocouple prepared thanks to the product.
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Soldering station
Golian, Dominik ; Baštán, Ondřej (referee) ; Macho, Tomáš (advisor)
The goal of this paper is to create a functional soldering station, which would achieve the quality of commercialy available products. The design itself will not be satisfactory without sufficient knowledge of the field. Thus the introductory chapter focuses on a quick overview of matters concerning soldering The attributes are chosen based on market research. The station is equipped with a microcontroller. This allows implementation of usefull functions of several of the compered soldering stations. The practical part contains the electrical solutions and circuit board design. The program taking care of functionality of the entire product is described next. Control structure regulating the irons temperature was selected based on system identification. The result is a product, which satisfies all the requirements.
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Temperature measurement on electrical machines
Prezbruchý, Martin ; Skalka, Miroslav (referee) ; Mikulčík, Aleš (advisor)
This work is trying do describe the temperature allocation on the electric machines. In the first part it is describing the temperature measurment, principals of measuring, thermocouples and a contactless measurment. In the second part, it is theoretically proceeding with engine types and a heat generation on them. In the third part, the work is describing simulation in the programs Autodesk Inventor and Ansys Workbench. In the next part, a work is showing the creation of a elektric machine model in already mentioned programs and a practical measurements of temerature allocation in the laboratory. In the conclusion, it is evaluating the measurment achievements and comparing the results of both used metods.
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Design of a laboratory equipment focused on measuring a PV panel at different temperatures
Moravčík, Daniel ; Báňa, Jiří (referee) ; Šedina, Martin (advisor)
The bachelor's thesis deals with the temperature dependence of the performance of a photovoltaic cell and the method of regulating its temperature. He also deals with the design and implementation of a laboratory element used to regulate the temperature of the photovoltaic cell in the laboratory. The theoretical part discusses the principle of photovoltaic cells and their electrical parameters, as some of them are the subject of measurement for which the device is made. The theoretical part then deals mainly with the influence of the surrounding environment on the performance of cells and their cooling methods in practice. The practical part itself describes the design and manufacture of a laboratory element for temperature regulation used to adjust the temperature of a photovoltaic cell, focusing first on the electrical design and then on the structural design. Finally, the work is devoted to the verification of the function of the manufactured device, when the accuracy of the device is determined.
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Soldering station
Golian, Dominik ; Baštán, Ondřej (referee) ; Macho, Tomáš (advisor)
The goal of this paper is to create a functional soldering station, which would achieve the quality of commercialy available products. The design itself will not be satisfactory without sufficient knowledge of the field. Thus the introductory chapter focuses on a quick overview of matters concerning soldering The attributes are chosen based on market research. The station is equipped with a microcontroller. This allows implementation of usefull functions of several of the compered soldering stations. The practical part contains the electrical solutions and circuit board design. The program taking care of functionality of the entire product is described next. Control structure regulating the irons temperature was selected based on system identification. The result is a product, which satisfies all the requirements.
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|
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Temperature measurement on electrical machines
Prezbruchý, Martin ; Skalka, Miroslav (referee) ; Mikulčík, Aleš (advisor)
This work is trying do describe the temperature allocation on the electric machines. In the first part it is describing the temperature measurment, principals of measuring, thermocouples and a contactless measurment. In the second part, it is theoretically proceeding with engine types and a heat generation on them. In the third part, the work is describing simulation in the programs Autodesk Inventor and Ansys Workbench. In the next part, a work is showing the creation of a elektric machine model in already mentioned programs and a practical measurements of temerature allocation in the laboratory. In the conclusion, it is evaluating the measurment achievements and comparing the results of both used metods.
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Fabrication and calibration of thermocouples
Balák, Martin ; Svoboda, Josef (referee) ; Foral, Štěpán (advisor)
This thesis is focused on the creation of laboratory task. The first part describes the operating principle of the thermocouple and according to which the physical laws are working. The thesis also shows the main categories of the division of thermocouple. Next chapter explains the composition of thermocouple welder, its main components and how the process of welding thermocouple wire is under way. The last chapter of the theoretical part is focused on the calibration of thermocouples. This chapter explains what the calibration is and it also shows the examples of calibration on real devices. The first part of the practical section describes the construction of the laboratory product and what materials were used for the given construction. The following part deals with the electrical interior of the thermocouple welder. Electrical diagram is described and there is also the description of how to direct and regulate the supply voltage and how it reaches the clamps of the capacitor. Its charging is observed by measuring instrument (voltmeter). The thesis works with the proper welding procedure, its potential problems, and the correct method of welding because the weld must be in sufficient quality in order to pass the calibration. This work also shows how the welds should not look and what to do in case they do not look well. The second part of the practical section deals with the comparison of welded thermocouples tested on produced product and on SR80 UWO. The three pieces of thermocouples were welded on each of them. Their following comparison is the proof of the quality of the welding preparation. The last part of the second practical part is focused on the calibration of the thermocouple prepared thanks to the product.
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