A surface electromagnetic radiation scanning device under multi-physical field coupling

Abstract

The utility model relates to electromagnetic radiation test technical field, concretely to a kind of surface electromagnetic radiation scanning device under multi-physical field coupling, comprising: scanning probe, object table and install on the heating table of object table, helmholtz coil and electrode plate, measured electronic information product is placed on heating table, temperature field is applied through heating table, and infrared thermometer is increased in the vicinity of scanning probe to carry out temperature monitoring, further through helmholtz coil and electrode plate respectively applied magnetic field and electric field, to facilitate the position of measured electronic information product in magnetic field, introduce movable support in heating table bottom plate, while increasing visual positioning system in the vicinity of scanning probe, realize real-time positioning in electromagnetic radiation scanning process;By introducing multi-physical field, not only can in-situ test the surface electromagnetic radiation distribution situation of electronic information product in complex environment, while the electromagnetic compatibility performance of wave-absorbing material and other functional materials in actual application scene can be detected.

Description

Technical Field

[0001] This utility model relates to the field of electromagnetic radiation testing technology, specifically to a surface electromagnetic radiation scanning device under multi-physics field coupling. Background Technology

[0002] With the rapid development of electronic information technology, electronic information products have permeated all aspects of national defense and economic development. The electromagnetic radiation pollution caused by these products has also attracted attention, leading to the widespread application of electromagnetic radiation testing for electronic information products. However, current electromagnetic radiation testing for electronic information products is mostly conducted under single, stable environmental physical fields. This ignores the multi-physical field strong coupling environment that commonly exists in electronic information products during actual operation, especially for products used in harsh service environments, where their electromagnetic radiation characteristics are difficult to effectively assess. Furthermore, in harsh service environments, the electromagnetic compatibility performance of functional materials used in electronic information products, such as absorbing materials, is also difficult to effectively test. Utility Model Content

[0003] The purpose of this invention is to provide a surface electromagnetic radiation scanning device under multi-physics field coupling to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A surface electromagnetic radiation scanning device under multi-physics coupling includes a scanning probe and a stage.

[0006] The platform is equipped with a heating stage, a Helmholtz coil, and an electrode plate.

[0007] The heating stage is used to generate a uniform temperature field in the scanning area;

[0008] The Helmholtz coil and electrode plate are used to generate a uniform magnetic and electric field directly below the scanning probe.

[0009] Preferably, the heating stage is positioned directly below the scanning probe.

[0010] Preferably, the Helmholtz coil and electrode plate are provided in two sets, located on both sides of the heating platform.

[0011] Preferably, the line connecting the centers of the two Helmholtz coils is perpendicular to the scanning probe, and the line connecting the centers of the two electrode plates is perpendicular to the scanning probe.

[0012] Preferably, the heating stage is connected to the platform via a movable bracket, which is used to adjust the position of the heating stage in the vertical plane so that the electronic information product under test is in a uniform magnetic and electric field.

[0013] Preferably, the scanning probe is mounted on a fixed fixture, which is connected to the stage via a movable rod. The movable rod is used to move the fixed fixture along a set trajectory.

[0014] Preferably, the fixing fixture is also equipped with an infrared thermometer and a visual positioning system.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This invention can generate a uniform temperature field, magnetic field, and electric field directly below the scanning probe, and realize the surface electromagnetic radiation scanning test of the electronic information product under test in a multi-physics coupling environment, thereby realizing the evaluation of the electromagnetic radiation performance of the electronic information product in a harsh service environment; after the scanning probe is fixedly connected to the infrared thermometer and the visual positioning system, real-time monitoring of the temperature field at different locations can be realized. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a top view of the structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the left-side structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the testing principle of this utility model.

[0021] In the diagram: 1. Visual positioning system; 2. Infrared thermometer; 3. Fixture; 4. Scanning probe; 5. Helmholtz coil; 6. Electrode plate; 7. Heating table; 8. Movable support; 9. Stage; 10. Movable rod. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1 to 4 This utility model provides a technical solution:

[0024] A surface electromagnetic radiation scanning device under multi-physics coupling includes:

[0025] The scanning probe 4, the stage 9, and the heating stage 7, Helmholtz coil 5, and electrode plate 6 mounted on the stage.

[0026] The heating stage 7 is located directly below the scanning probe 4 to ensure a uniform temperature field in the scanning area. The Helmholtz coil 5 and the electrode plate 6, located directly below the scanning probe 4, can generate a uniform magnetic and electric field.

[0027] The line connecting the centers of the two Helmholtz coils 5 is perpendicular to the scanning probe 4, and the line connecting the centers of the two electrode plates 6 is also perpendicular to the scanning probe 4.

[0028] A movable support 8 is connected to the base plate of the heating platform 7. By adjusting the position in the vertical plane, the electronic information product under test is placed in a uniform magnetic and electric field. The movable support 8 can be a scissor lift device.

[0029] An infrared thermometer 2 is added near the scanning probe 4 for temperature monitoring to meet the temperature measurement requirements of the complex structure of the electronic information product under test.

[0030] A visual positioning system 1 is introduced near the scanning probe 4 and the infrared thermometer 2 and connected by a fixing clamp 3 to ensure that the scanning probe 4, the infrared thermometer 2 and the visual positioning system 1 can move simultaneously. The Helmholtz coil 5, the scanning probe 4, the infrared thermometer 2 and the visual positioning system 1 are all selected from the corresponding devices in the prior art, which will not be described in detail here.

[0031] Under the fixation of the fixed clamp 3, the scanning probe 4 is driven by the movable rod 10 to move the fixed clamp 3 along the set trajectory to complete the surface electromagnetic radiation scanning of the electronic information product to be tested. The movable rod 10 can be a device that can move objects, such as a robotic arm.

[0032] Working principle: When using, refer to... Figure 4 The electronic information product to be tested is placed on the heating stage 7 and the heating stage 7 is turned on to ensure that a uniform temperature field is generated in the scanning area of ​​the scanning probe 4. The Helmholtz coil 5 and the electrode plate 6 are turned on. The Helmholtz coil 5 and the electrode plate 6 can generate a uniform magnetic field and electric field directly below the scanning probe 4. The fixed fixture 3 is moved according to the set trajectory by the movable rod 10 to complete the surface electromagnetic radiation scanning of the electronic information product to be tested.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A surface electromagnetic radiation scanning device under multi-physics coupling, comprising a scanning probe and a stage, characterized in that: The platform is equipped with a heating stage, a Helmholtz coil, and an electrode plate. The heating stage is used to generate a uniform temperature field in the scanning area; The Helmholtz coil and electrode plate are used to generate a uniform magnetic and electric field directly below the scanning probe.

2. The surface electromagnetic radiation scanning device under multi-physics coupling according to claim 1, characterized in that: The heating stage is positioned directly below the scanning probe.

3. The surface electromagnetic radiation scanning device under multi-physics coupling according to claim 1, characterized in that: The Helmholtz coil and electrode plates are arranged in two sets, located on both sides of the heating platform.

4. A surface electromagnetic radiation scanning device under multi-physics coupling according to claim 2, characterized in that: The line connecting the centers of the two Helmholtz coils is perpendicular to the scanning probe, and the line connecting the centers of the two electrode plates is also perpendicular to the scanning probe.

5. A surface electromagnetic radiation scanning device under multi-physics coupling according to claim 1, characterized in that: The heating stage is connected to the platform via a movable bracket. The movable bracket is used to adjust the position of the heating stage in the vertical plane so that the electronic information product under test is in a uniform magnetic and electric field.

6. The surface electromagnetic radiation scanning device under multi-physics coupling according to claim 1, characterized in that: The scanning probe is mounted on a fixed fixture, which is connected to the stage via a movable rod. The movable rod is used to move the fixed fixture along a set trajectory.

7. A surface electromagnetic radiation scanning device under multi-physics coupling according to claim 6, characterized in that: The fixing fixture is also equipped with an infrared thermometer and a visual positioning system.

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