Coil detection device

Abstract

The utility model discloses a coil detection device, which comprises a test frame, at least two coil mounting tables are detachably arranged on a bottom plate at the lower part of the test frame, one coil mounting table is used for mounting a calibration coil, and the other coil mounting tables are used for mounting a coil to be detected; an upper cross beam of the test frame is provided with two X-axis sliding rails which are arranged in parallel, the two X-axis sliding rails are in sliding connection with a Y-axis sliding rail through sliding blocks, and the Y-axis sliding rail is in sliding connection with a Z-axis sliding rail which is vertically arranged through sliding blocks; a cross rod parallel to the Y-axis sliding rail is fixed to the Z-axis sliding rail, a plurality of vertical through holes are formed in the cross rod at equal intervals, and probe rods are inserted into the vertical through holes corresponding to the calibration coil and the coil to be detected. According to the utility model, the difference between the to-be-detected coil and the calibration coil is realized in a relatively convenient manner, so that a visual improvement reference is provided for manufacturers, and the consistency of coil manufacturing is further improved.

Description

Technical Field

[0001] The utility model belongs to the field of magnetic stimulation coil production consistency inspection, in particular to a coil detection device. Background Art

[0002] With the rapid development of transcranial magnetic stimulation products and the clinical demand for some deep stimulation coils, the shapes of stimulation coils have become more and more diverse and irregular. For example, the Chinese patent document with publication number CN109260595A discloses a transcranial magnetic stimulation coil, including two coils, which are connected in series and arranged in a butterfly shape. However, the difference in the shape of the same coil will also cause the range of action of the coil to shift, and the same method of use will cause deviations in the treatment target, which is contrary to the current demand for precise treatment, so this puts higher requirements on the production consistency of the coil.

[0003] At present, deep coils on the market, such as H-shaped coils, are three-dimensionally irregular and are often manually wound by experienced personnel. Then, the coil shape is ensured to be within a reasonable range through visual or three-dimensional measurement comparison. However, visual measurement often has great uncertainty and cannot guarantee the consistency of shape. Most of them increase the power or expand the coil area to expand the stimulation area and obtain redundancy for the target stimulation range. Three-dimensional measurement requires marking a large number of tests and measuring the three-dimensional coordinates of these test points one by one, which requires a large amount of data to be obtained. After manual correction, repeated measurements and verification are required, making this work very cumbersome and inefficient. Utility Model Content

[0004] The utility model provides a coil detection device, which realizes the difference between the detected irregular coil and the calibration coil in a more convenient way, thereby providing a direct reference for improvement to the manufacturing personnel, and further improving the consistency of coil manufacturing.

[0005] A coil detection device comprises a test frame, wherein at least two coil mounting platforms are detachably provided on a bottom plate at the lower part of the test frame, wherein one coil mounting platform is used for mounting a calibration coil, and the other coil mounting platforms are used for mounting a coil to be tested;

[0006] The upper crossbeam of the test frame is provided with two parallel X-axis slide rails, the two X-axis slide rails are slidably connected to a Y-axis slide rail through a slider, and the Y-axis slide rail is slidably connected to a vertically arranged Z-axis slide rail through a slider;

[0007] A crossbar parallel to the Y-axis slide rail is fixed on the Z-axis slide rail, a plurality of vertical through holes are evenly spaced on the crossbar, and probe rods are inserted into the vertical through holes corresponding to the calibration coil and the coil to be tested.

[0008] In the utility model, the probe rod and the vertical through hole on the cross bar are clearance-matched, and the probe rod can move up and down freely. By capturing a probe rod against the calibrated coil sample on the surface, the remaining probe rods will appear to rise, fall or remain unchanged during the contact process with the measured coil, thereby judging the difference between the measured sample and the calibrated sample; similarly, it can be visually judged whether there is a deviation in the measured sample coil.

[0009] Preferably, the surface of the bottom plate is provided with mounting holes arranged in an array, which are used to conveniently adjust the fixed position of the coil mounting platform to adapt to the detection of coils of different sizes.

[0010] Furthermore, the intervals between the vertical through holes on the crossbar are the same as the intervals between the mounting holes, both of which are 20 to 60 mm.

[0011] Preferably, a guide rail fixing piece is provided on the back of the Z-axis slide rail, and the lower end of the guide rail fixing piece is fixedly connected to the cross bar.

[0012] Preferably, all coil mounting tables are mounted on the same straight line parallel to the Y-axis slide rail.

[0013] Preferably, the probe rod is provided with a vertical scale, so as to more accurately measure the rising and falling distances of the probe rod, thereby determining the difference between the sample under test and the calibration sample.

[0014] Optionally, a test head is provided at the lower end of the probe rod, and the test head is in the shape of a round head, a cylindrical head or a pointed head.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The utility model adopts the structure of linear guide rail and profile frame to realize the movement of multiple target points on the three axes of X\Y\Z at the same time. It also designs multiple probes with the same spacing as the calibration coil and the coil to be measured. The deviation between the measured point and the input point is used to identify whether the measured point needs corresponding correction, so as to achieve the consistency requirement of the production coil.

[0017] 2. The structure of the utility model can realize the difference between the detected irregular coil and the calibration coil in a more convenient way, thereby providing an intuitive reference for improvement to the manufacturing personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a coil detection device of the utility model;

[0019] Figure 2 This is a schematic structural diagram of a coil detection device of the utility model from another angle.

[0020] In the figure: 1-base plate, 6-probe rod, 11-foot cup, 12-test frame, 13-handle, 14-guide rail fixing part, 15-cross bar, 16-guide rail connecting part, 17-slider connecting part, 21-coil mounting table, 22-calibration coil, 23-coil to be tested, 31-X-axis slide rail, 32-slider, 33-Z-axis slide rail, 34-Y-axis slide rail. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be pointed out that the embodiments described below are intended to facilitate the understanding of the present invention and do not have any limiting effect on the present invention.

[0022] like Figure 1 and Figure 2 As shown, a coil detection device includes a test frame 12, which is assembled from a combination of profiles. Four foot cups 11 are arranged at the bottom of the frame to adjust and keep the device level; a base plate 1 is fixed at the lower part of the frame, and a plurality of mounting holes with a module of 40mm are arranged on the base plate 1 to adapt to the detection of coils of different sizes.

[0023] Two X-axis slide rails 31 are provided on the upper crossbeam of the test frame 12, and each of the two X-axis slide rails 31 has a built-in slider 32, and a guide rail connector 16 is fixed on the left and right upper parts of the sliders, and a Y-axis slide rail 34 is provided on the upper part of the guide rail connector 16, and the Y-axis slide rail 34 has a built-in slider, and a slider connector 17 is provided on the upper part of the slider; another slider 32 is installed in the vertical direction of the connector, and the slider is installed in conjunction with the Z-axis slide rail 33, and a guide rail fixing part 14 is installed on the Z-axis slide rail 33; a handle 13 is installed on the lower part of the guide rail fixing part 14 for user operation.

[0024] A crossbar 15 is provided at the lower part of the guide rail fixing member 14 , and n vertical through holes with a spacing of 40 mm are provided on the left and right sides of the crossbar 15 , and two probe rods 6 that can slide up and down are respectively placed at the vertical through holes, and a scale is provided on the probe rods 6 .

[0025] In this embodiment, the calibration coil 22 and the coil to be tested 23 are both fixed to the coil mounting platform 21 by screws and then fixed to the base plate 1 .

[0026] The utility model realizes the movement of the target point on the X\Y\Z three axes by adopting the structural form of linear guide rails and profile frames. It also designs multiple probe rods with the same spacing as the calibration coil and the coil to be tested, and the probe rods can move arbitrarily in three-dimensional space; the probe rods and the vertical through holes on the crossbar 15 are clearance-matched, and the probe rods can move up and down freely. By capturing the calibration coil 22 on the surface with the left probe rod, the right probe rod will appear to rise, fall or remain unchanged during the contact process with the coil to be tested 23, so as to judge the difference between the coil to be tested 23 and the calibration coil 22; that is, the decline of the right probe rod indicates that the coil to be tested 23 is too low at this point, the rise of the right probe rod indicates that it is too high at this point, and the unchanged probe rod indicates that the height is consistent. It can also be visually judged whether there is a deviation in the coil to be tested 23.

[0027] In the specific application process, in order to improve the test efficiency, more than two coil mounting platforms 21 can be set, one of which is used to mount the calibration coil 22, and the rest are used to mount the coil to be tested 23. At this time, the corresponding number of probe rods 6 is also more than two, that is, multiple coils to be tested can be measured at the same time.

[0028] A test head is provided at the lower end of the probe rod 6. The shape of the test head can be various, such as a round head, a cylindrical head, a pointed head, etc. Different outer diameters of the cylindrical head can be set for different tolerances, and a pointed head can be used for more precise measurement.

[0029] Furthermore, the device of the utility model can test not only regular coils but also some irregular coils, including other items that need to be tested for surface consistency.

[0030] The embodiments described above provide a detailed description of the technical solutions and beneficial effects of the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, supplements and equivalent substitutions made within the scope of the principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A coil detection device, characterized in that: It comprises a test frame (12), wherein at least two coil mounting platforms (21) are detachably provided on a bottom plate (1) at the lower part of the test frame (12), wherein one coil mounting platform (21) is used for mounting a calibration coil (22), and the other coil mounting platforms (21) are used for mounting a coil to be tested (23); The upper crossbeam of the test frame (12) is provided with two parallel X-axis slide rails (31), the two X-axis slide rails (31) are slidably connected to a Y-axis slide rail (34) via a slider, and the Y-axis slide rail (34) is slidably connected to a vertically arranged Z-axis slide rail (33) via a slider; A crossbar (15) parallel to the Y-axis slide rail (34) is fixed on the Z-axis slide rail (33), and a plurality of vertical through holes are evenly spaced on the crossbar (15). Probe rods (6) are inserted into the vertical through holes corresponding to the calibration coil (22) and the coil to be tested (23).

2. The coil detection device according to claim 1, characterized in that: The surface of the base plate (1) is provided with mounting holes arranged in an array.

3. The coil detection device according to claim 2, characterized in that: The intervals between the vertical through holes on the crossbar (15) are the same as the intervals between the mounting holes, both of which are 20 to 60 mm.

4. The coil detection device according to claim 1, characterized in that: A guide rail fixing piece (14) is provided on the back of the Z-axis slide rail (33), and the lower end of the guide rail fixing piece (14) is fixedly connected to the cross bar (15).

5. The coil detection device according to claim 1, characterized in that: All coil mounting platforms (21) are mounted on the same straight line parallel to the Y-axis slide rail (34).

6. The coil detection device according to claim 1, characterized in that: The probe rod (6) is provided with a vertical scale.

7. The coil detection device according to claim 1, characterized in that: The lower end of the probe rod (6) is provided with a test head, and the shape of the test head is a round head, a cylindrical head or a pointed head.

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