Comprehensive test device for electromagnet for magnetic suspension

Abstract

The utility model relates to a comprehensive test device for an electromagnet for magnetic suspension. The comprehensive test device comprises a programmable direct-current power supply, an environment test box, an isolating switch, a data acquisition unit and a loop measurement module, the programmable DC power supply is connected with the environment test box through the isolation switch to form a test loop, the input end of the data collector is in communication connection with the environment test box, and the input end of the loop measurement module is connected to the test loop and located at the input end and the output end of the environment test box. And the output ends of the data acquisition unit and the loop measurement module are in communication connection with the upper computer. According to the electromagnet comprehensive test device for magnetic suspension, a composite and integrated design form is adopted, a programmable DC power supply can meet diversified test requirements, local control and remote control functions are realized, perfect safety protection means are provided, and the test efficiency is improved. The test loop fault or damage caused by equipment or a tested product can be effectively prevented, and the high-efficiency and long-time test requirements can be met.

Description

Technical Field

[0001] This utility model relates to the field of electrical equipment testing technology, specifically to a comprehensive testing device for electromagnets used in magnetic levitation. Background Technology

[0002] Magnetic levitation technology is currently a cutting-edge technology and has not yet been widely deployed and applied in the transportation sector. Therefore, there is a lack of specialized testing equipment and devices for the research and performance testing of electromagnets used in magnetic levitation. However, with the continuous development of magnetic levitation technology, the demand for testing electromagnets used in magnetic levitation will gradually increase in the future, thus this project has a promising market prospect. Utility Model Content

[0003] The technical problem to be solved by this utility model is to fill the market gap in the field and provide a comprehensive testing device for electromagnets for magnetic levitation. It adopts a composite and integrated design, and the programmable DC power supply can meet diverse testing needs. It also has local control and remote control functions, and is equipped with complete safety protection measures to effectively prevent test circuit failure or damage caused by equipment or test objects. It can meet the needs of high-efficiency and long-term testing.

[0004] This comprehensive testing device for electromagnets used in magnetic levitation includes a programmable DC power supply, an environmental test chamber, a disconnecting switch, a data acquisition unit, and a loop measurement module. The programmable DC power supply is connected to the environmental test chamber via the disconnecting switch to form a test loop. The input terminal of the data acquisition unit is communicatively connected to the environmental test chamber. The input terminal of the loop measurement module is connected to the test loop and located at the input and output terminals of the environmental test chamber. The output terminals of the data acquisition unit and the loop measurement module are communicatively connected to a host computer. The programmable DC power supply provides the necessary power conditions for the test, based on a programmable output voltage, current, and waveform adjustable power supply, thus meeting the test requirements. The test requirements are as follows: The environmental test chamber is used to place the electromagnet under test and meets the environmental requirements such as temperature and humidity required for the test. The environmental test chamber is equipped with a large number of test temperature sensors for collecting temperature data of various parts of the electromagnet under test; The isolating switch is used to open and close the test circuit; The data acquisition unit is used to receive the temperature data of various parts of the electromagnet under test collected by the test temperature sensors, generate temperature change curves, store temperature rise test data, and centrally send them to the host computer; The circuit measurement module is used to collect and store the voltage, current, and power parameters of the test circuit and centrally send them to the host computer.

[0005] Furthermore, it also includes a host computer consisting of a control and protection module and a centralized control system, and a power supply; the output terminal of the loop measurement module is connected to the input terminal of the protection module, and the output terminal of the control and protection module is connected to the power supply. The programmable DC power supply, data acquisition unit, and loop measurement module are all communicatively connected to the centralized control system. The power supply is powered by the programmable DC power supply. The control and protection module is used to receive the test loop voltage, current, and power signals collected by the loop measurement module in real time, and to cut off the power supply to the programmable DC power supply when overcurrent or overvoltage occurs in the test loop, thereby controlling and protecting the programmable DC power supply. This prevents damage to the equipment and interference with the test due to overcurrent or overvoltage, ensuring equipment safety and the normal operation of the test. The centralized control system is used to set and control the programmable DC power supply and to receive measurement data sent by the loop measurement module and parameter data sent by the control and protection module.

[0006] Specifically, the environmental test chamber is equipped with an environmental temperature sensor and an environmental humidity sensor for collecting the temperature and humidity of the environment inside the chamber.

[0007] Specifically, the test temperature sensor is a thermocouple temperature sensor.

[0008] Specifically, the data acquisition device uses an NI DAQ module.

[0009] Specifically, the loop measurement module includes a power quality analyzer, a power analyzer, and an oscilloscope recorder.

[0010] Specifically, the control and protection module adopts the CPX-C series control and protection module.

[0011] Specifically, the centralized control system uses an eX700 industrial computer.

[0012] Specifically, it also includes a human-machine interaction terminal, which is wirelessly connected to the centralized control system for data transmission.

[0013] This utility model discloses a comprehensive testing device for electromagnets used in magnetic levitation. It adopts a composite and integrated design, and the programmable DC power supply can meet diverse testing needs. It also has local and remote control functions and is equipped with comprehensive safety protection measures to effectively prevent test circuit failures or damages caused by equipment or the tested object. It can meet the needs of high-efficiency and long-term testing. Attached Figure Description

[0014] The following description, in conjunction with the accompanying drawings, further illustrates the comprehensive testing device for electromagnets used in magnetic levitation according to this utility model:

[0015] Figure 1 This is a wireframe diagram illustrating the logic structure and connection principle of Implementation Method 1 of the comprehensive test device for electromagnetic levitation.

[0016] Figure 2 This is a wireframe diagram illustrating the logic structure and connection principle of Implementation Method 2 of the comprehensive test device for electromagnetic levitation.

[0017] In the picture:

[0018] 1-Programmable DC power supply, 2-Environmental test chamber, 3-Disconnecting switch, 4-Data acquisition unit, 5-Circuit measurement module, 6-Control and protection module, 7-Centralized control system, 8-Power supply, 9-Human-machine interface terminal;

[0019] 21-Test temperature sensor, 22-Ambient temperature sensor, 23-Ambient humidity sensor. Detailed Implementation

[0020] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0021] In the description of this utility model, it should be understood that the terms "left", "right", "front", "rear", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] The present invention will be further described below with specific embodiments, but the scope of protection of the present invention is not limited to the following embodiments.

[0023] Implementation method 1: such as Figure 1As shown, this comprehensive testing device for electromagnets used in magnetic levitation includes a programmable DC power supply 1, an environmental test chamber 2, a disconnecting switch 3, a data acquisition unit 4, and a loop measurement module 5. The programmable DC power supply 1 is connected to the environmental test chamber 2 via the disconnecting switch 3 to form a test loop. The input terminal of the data acquisition unit 4 is communicatively connected to the environmental test chamber 2. The input terminal of the loop measurement module 5 is connected to the test loop and located at the input and output terminals of the environmental test chamber 2. The output terminals of the data acquisition unit 4 and the loop measurement module 5 are communicatively connected to a host computer. The programmable DC power supply 1 is used to provide the necessary power supply for the test based on the programmable output voltage, current, and waveform adjustable, meeting the test requirements. The programmable DC power supply has multiple operating modes, including voltage source, constant current, constant power, and battery simulation, with a maximum output voltage of 2000V, and features voltage, current, and waveform adjustment functions. The environmental test chamber 2 is used to place the electromagnet under test and meet the environmental requirements such as temperature and humidity required for the test. The environmental test chamber 2 is equipped with a large number of test temperature sensors 21 for collecting temperature data of various parts of the electromagnet under test. The isolating switch 3 is used to open and close the test circuit. The data acquisition unit 4 is used to receive the temperature data of various parts of the electromagnet under test collected by the test temperature sensors 21, generate temperature change curves, store temperature rise test data, and centrally send them to the host computer. The circuit measurement module 5 is used to collect and store the voltage, current, and power parameters of the test circuit and centrally send them to the host computer.

[0024] Implementation method 2: such as Figure 2As shown, this comprehensive testing device for electromagnets used in magnetic levitation also includes a host computer consisting of a control and protection module 6 and a centralized control system 7, and a power supply 8. The output terminal of the loop measurement module 5 is connected to the input terminal of the protection module 6, and the output terminal of the control and protection module 6 is connected to the power supply 8. The programmable DC power supply 1, the data acquisition unit 4, and the loop measurement module 5 are all communicatively connected to the centralized control system 7. The power supply 8 supplies power to the programmable DC power supply 1. The control and protection module 6 is used to receive the test loop voltage, current, and power signals collected by the loop measurement module 5 in real time, and to cut off the power supply from the power supply 8 to the programmable DC power supply 1 when overcurrent or overvoltage occurs in the test loop, thereby controlling and protecting the programmable DC power supply. This prevents damage to the equipment and interference with the test due to overcurrent or overvoltage, ensuring equipment safety and the normal operation of the test. The centralized control system 7 is used to set and control the programmable DC power supply 1, and to receive the measurement data sent by the loop measurement module 5 and the parameter data sent by the control and protection module 6. This comprehensive electromagnet testing device for magnetic levitation also includes a human-machine interface terminal 8, which is wirelessly connected to the centralized control system for data transmission. It is used to achieve remote control; uplink, it can remotely monitor the status of the loop and each device within the loop; downlink, it can remotely control the loop's on / off state and the start / stop of the loop devices, as well as the transmission of settings and parameter information required for the test. The remaining structures and components are as described in Embodiment 1 and will not be repeated.

[0025] Implementation Method 3: The environmental test chamber 2 of this comprehensive testing device for magnetic levitation electromagnets is equipped with an environmental temperature sensor 22 and an environmental humidity sensor 23 for collecting ambient temperature and humidity data. The test temperature sensor 21 is a thermocouple temperature sensor. The data acquisition unit 4 uses an NI DAQ module. Emerson's NI DAQ module can collect real-time data, store data, and generate data change curves simultaneously. The loop measurement module 5 includes a power quality analyzer, a power analyzer, and an oscilloscope recorder. It collects voltage, current, power, and waveform data and sends the data to the centralized control system to determine whether the performance of the tested electromagnet meets the requirements. Simultaneously, it sends the data to the control and protection module to disconnect the loop protection circuit equipment when a fault occurs in the test loop. The control and protection module 6 uses a CPX-C series control and protection module. Using ABB's CPX-C control and protection module, it can receive system signals from the loop measurement module and output switching signals to control the isolating switch 3 to disconnect the test loop when a short circuit or overvoltage occurs. The centralized control system 7 uses an eX700 industrial computer. The system employs the Hongji eX700 series integrated industrial computer, which integrates an industrial control panel and a PLC programmable controller. This enables the reception, display, and storage of loop data, as well as direct control of loop equipment. The remaining structure and components are as described in Embodiment 1 and will not be repeated.

[0026] During operation: The programmable DC power supply provides the required test conditions, such as voltage and current, according to the settings; the disconnecting switch is a loop control protection switch used to control the opening and closing of the loop; the environmental test chamber meets the environmental conditions required for the test; the measurement system is used to collect and store parameters such as voltage, current, and power of the test loop and the tested product; and transmits the collected data to the control and protection and centralized control systems via network cable connection; the data acquisition unit is used to collect temperature data and temperature change curves of various parts of the tested electromagnet, store temperature rise test data, and transmit the collected temperature data to the centralized control system via network cable connection; an independent protection system is adopted to monitor the system 24 hours a day, and can quickly detect problems in the system and quickly cut off the fault under any circumstances to prevent further spread of the fault; the human-machine interface terminal can communicate with the centralized control system to realize remote uplink monitoring and downlink control. Finally, the measured parameters such as voltage, current, power, and temperature are used to determine whether the magnetic levitation electromagnet meets the design requirements through the test data of the centralized control system. If the temperature rise and temperature data measured under different current conditions meet the requirements, the conclusion that the requirements are met is drawn.

[0027] This comprehensive testing device for electromagnetic levitation adopts a composite and integrated design. The programmable DC power supply can meet diverse testing needs. It also has local and remote control functions and is equipped with comprehensive safety protection measures to effectively prevent test circuit failures or damages caused by equipment or the tested object. It can meet the needs of efficient and long-term testing.

[0028] The above description illustrates the main features, basic principles, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments or examples described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the above embodiments or examples should be considered exemplary and not restrictive. The scope of this utility model is defined by the appended claims rather than the foregoing description, and therefore all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A comprehensive testing device for electromagnets used in magnetic levitation, characterized in that: it includes a... The test circuit consists of a programmable DC power supply (1), an environmental test chamber (2), a disconnecting switch (3), a data acquisition unit (4), and a loop measurement module (5). The programmable DC power supply (1) is connected to the environmental test chamber (2) via the disconnecting switch (3) to form a test circuit. The input terminal of the data acquisition unit (4) is communicatively connected to the environmental test chamber (2). The input terminal of the loop measurement module (5) is connected to the test circuit and located at both the input and output ends of the environmental test chamber (2). The output terminals of the data acquisition unit (4) and the loop measurement module (5) are communicatively connected to the host computer. The programmable DC power supply (1) is used to provide test power supply with adjustable output voltage, current and waveform according to program control, to provide the power conditions required for the test and meet the test requirements; The environmental test chamber (2) is used to place the electromagnet under test and meet the temperature and humidity requirements required for the test. The environmental test chamber (2) is equipped with a large number of test temperature sensors (21) for collecting temperature data of various parts of the electromagnet under test. The disconnecting switch (3) is used to switch the test circuit on and off by opening and closing; The data acquisition unit (4) is used to receive the temperature data of each part of the electromagnet under test collected by the test temperature sensor (21), generate temperature change curves, store temperature rise test data, and send them to the host computer. The circuit measurement module (5) is used to collect and store the voltage, current and power parameters of the test circuit and send them to the host computer.

2. The comprehensive testing device for electromagnets used in magnetic levitation according to claim 1, characterized in that: It also includes a host computer consisting of a control and protection module (6) and a centralized control system (7) and a power supply (8); the output of the loop measurement module (5) is connected to the input of the protection module (6), and the output of the control and protection module (6) is connected to the power supply (8). The programmable DC power supply (1), the data acquisition unit (4), and the loop measurement module (5) are all communicatively connected to the centralized control system (7). The power supply (8) supplies power to the programmable DC power supply (1). The control and protection module (6) is used to receive the test circuit voltage, current and power signals collected by the circuit measurement module (5) in real time, and cut off the power supply (8) to the programmable DC power supply (1) when overcurrent or overvoltage occurs in the test circuit, and control and protect the programmable DC power supply; prevent overcurrent or overvoltage from damaging the equipment and affecting the test, and protect the safety of the equipment and the normal progress of the test; The centralized control system (7) is used to set and control the programmable DC power supply (1), and to receive measurement data sent by the loop measurement module (5) and parameter data sent by the control and protection module (6).

3. The comprehensive testing device for electromagnets used in magnetic levitation according to claim 2, characterized in that: The environmental test chamber (2) is equipped with an environmental temperature sensor (22) and an environmental humidity sensor (23) for collecting the temperature and humidity of the environment inside the chamber.

4. The comprehensive testing device for electromagnets used in magnetic levitation according to claim 3, characterized in that: The test temperature sensor (21) is a thermocouple temperature sensor.

5. The comprehensive testing device for electromagnets used in magnetic levitation according to claim 4, characterized in that: The data acquisition unit (4) uses an NI DAQ module.

6. The comprehensive testing device for electromagnets used in magnetic levitation according to claim 5, characterized in that: The loop measurement module (5) includes a power quality analyzer, a power analyzer, and an oscilloscope recorder.

7. The comprehensive testing device for electromagnets used in magnetic levitation according to claim 6, characterized in that: The control and protection module (6) adopts the CPX-C series control and protection module.

8. The comprehensive testing device for electromagnets used in magnetic levitation according to claim 7, characterized in that: The centralized control system (7) adopts an eX700 industrial computer.

9. The comprehensive testing device for electromagnets used in magnetic levitation according to any one of claims 1 to 8, characterized in that: It also includes a human-computer interaction terminal (9), which is wirelessly connected to the centralized control system (7).

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