Thermostatic control zero-drift fluxgraph
A constant temperature control and constant temperature controller technology, applied in the direction of the size/direction of the magnetic field, can solve the problems affecting the measurement accuracy and work efficiency, inconvenience, etc., and achieve the effect of overcoming zero drift, simple structure, and overcoming interference
Active Publication Date: 2011-06-08
西安西工大思强科技股份有限公司
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Problems solved by technology
However, the current fluxmeters used in the market all have different degrees of zero point drift, so it is very inconvenient in the actual use process. While measuring, it is necessary to perform zero adjustment at any time, which will eventually affect the measurement accuracy and work efficiency.
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[0017] Such as figure 1 As shown, the present invention includes a metal sealed casing 1, a main circuit board 2 sealed inside the metal sealed casing 1 for testing the magnetic flux of magnetic materials, and a range setting device 3 for setting the working range of the main circuit board 2 , a digital display 4 for synchronously displaying test results, a test signal input port 10 and a switching regulated power supply 7 for supplying power to each power consumption unit. Wherein, the range setting device 3 , the digital display 4 and the test signal input port 10 are respectively connected to the main circuit board 2 and are all arranged outside the metal sealed casing 1 . In addition, the inner side of the metal sealed casing 1 is covered with a layer of heat preservation layer and a heating device powered by a working power supply 8 is installed on the inner bottom of the metal sealed casing 1. The working power supply 8 is controlled by a constant temperature controller ...
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The invention discloses a thermostatically controlled zero drift fluxgraph which comprises a metal seal housing, a main circuit board which is sealed in the metal seal housing and used for testing magnetic flux of magnetic materials, a range setting device for setting work range of the main circuit board, a digital display, a test signal input port and a switching stabilized voltage power supply for supplying power to power utilization units. The range setting device, the digital display and the test signal input port are respectively connected with the main circuit board and arranged on the outside of the metal seal housing, the inside of the metal seal housing is sheathed with a layer of insulating layer and the bottom of the inside is equipped with a heating unit which is supplied by an operational power supply, the operational power supply is controlled by a thermostatic controller, and a temperature sensor which is connected with the thermostatic controller is arranged in the metal seal housing. The thermostatically-controlled zero drift fluxgraph has the advantages of simple structure, low cost and convenient operation, and can effectively solve a zero drift problem of the existing magnetic flux measurement apparatus.
Description
technical field [0001] The invention relates to a high-performance magnetic material testing instrument, in particular to a constant-temperature-controlled zero-drift fluxmeter. Background technique [0002] A fluxmeter is a test instrument used for space magnetic field measurement and magnetic material performance research. At present, the commonly used magnetic material test instruments include magnetoelectric, electronic and digital integral structures. However, the current fluxmeters used in the market all have different degrees of zero point drift, so it is very inconvenient in the actual use process. During the measurement, it is necessary to perform zero adjustment at any time, which will eventually affect the measurement accuracy and work efficiency. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a constant temperature control zero-drift magnetic fluxmeter, which is simple in structure, low in cost, easy...
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IPC IPC(8): G01R33/02
Inventor 邹光荣
Owner 西安西工大思强科技股份有限公司