CN218866082U - Integrated magnetic flux measurement anti-interference device - Google Patents
Integrated magnetic flux measurement anti-interference device Download PDFInfo
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- CN218866082U CN218866082U CN202223048453.0U CN202223048453U CN218866082U CN 218866082 U CN218866082 U CN 218866082U CN 202223048453 U CN202223048453 U CN 202223048453U CN 218866082 U CN218866082 U CN 218866082U
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Abstract
The utility model discloses an integral type magnetic flux measurement jam-proof device, including two coil panels (1) and a plurality of spliced pole (2), a plurality of spliced pole (2) are used for connecting two coil panels (1), every all be equipped with an inlayer jam-proof coil groove (1.1) and an outer jam-proof coil groove (1.2) in week of coil panel (1), inlayer jam-proof coil groove (1.1) and outer jam-proof coil groove (1.2) coaxial design, two coil current direction and two on inlayer jam-proof coil groove (1.1) winding outer coil current opposite direction on jam-proof coil groove (1.2) winding. The utility model provides a guarantee that two-layer jam-proof coil's axiality is high, and low in production cost's an integral type magnetic flux measurement jam-proof device.
Description
Technical Field
The utility model relates to a magnetic field jam-proof device field specifically says so an integral type magnetic flux measurement jam-proof device.
Background
After the magnet is magnetized, the magnetic field of the magnet needs to be measured to ensure the quality of the magnet. Since the magnetic flux detector is very susceptible to the influence of an external magnetic field during the measurement process, an interference prevention device for preventing external interference is often required to be added to the magnetic flux detector.
In order to achieve the purpose of electromagnetic interference resistance, many devices adopt the design of double-layer interference-proof coils, the magnetic fluxes formed by the double-layer interference-proof coils are the same in size and opposite in direction and are mutually offset, so that the purpose of preventing external electromagnetic interference of the detector is achieved, but the traditional double-layer interference-proof coils are combined in an assembly mode, although in the assembly process, the purpose of coaxial lines of the two layers of interference-proof coils can be achieved through high-precision matching tolerance, the corresponding production cost is higher, if the coaxiality deviation of the two layers of interference-proof coils is large, the magnetic fluxes of the two layers of interference-proof coils cannot be completely offset in the detection process, and the detection data are influenced.
Disclosure of Invention
The utility model aims to solve the technical problem that: the integrated magnetic flux measurement anti-interference device ensures high coaxiality of two layers of anti-interference coils and is low in production cost.
The utility model provides a technical scheme that above-mentioned problem adopted does: the utility model provides an integral type magnetic flux measurement jam-proof device, includes two coil panels and a plurality of spliced pole, a plurality of the spliced pole is used for connecting two coil panels, every all be equipped with an inlayer jam-proof coil groove and an outer jam-proof coil groove on the week of coil panel, inlayer jam-proof coil groove and the coaxial design of outer jam-proof coil groove, two coil current direction and two on the winding of inlayer jam-proof coil groove the coil current opposite direction on the winding of outer jam-proof coil groove.
Compared with the prior art, the utility model has the advantages of: through the design of coil panel, directly process inlayer jam-proof coil groove and an outer jam-proof coil groove on the coil panel, make inlayer jam-proof coil groove and an outer jam-proof coil groove carry out the integral type design, compare in the equipment shaping, the axiality of inlayer jam-proof coil groove and an outer jam-proof coil groove has been guaranteed more easily, then respectively at the winding of inlayer jam-proof coil groove and an outer jam-proof coil groove jam-proof coil, make two jam-proof coil current opposite, the magnetic flux is the same, when the magnetic field appears in the outside, inlayer jam-proof coil and an outer jam-proof coil can be according to the magnetic field change of outside, corresponding magnetic flux change appears, but the change of two magnetic fluxes can offset each other, reach the purpose of preventing external electromagnetic interference, thereby guarantee when detecting magnet in the integral type magnetic flux measurement jam-proof device, guarantee detection quality.
As an improvement of the utility model, the diameter of outer jam-proof coil groove is greater than the diameter of inlayer jam-proof coil groove, through the improvement makes two-layer jam-proof coil form the dislocation after the winding, guarantees the independence of two-layer jam-proof coil to avoid the unstable interference between the two-layer jam-proof coil, in order to guarantee that in follow-up use, the magnetic flux that two-layer jam-proof coil formed can offset each other, guarantee magnetic flux measurement's accuracy.
As an improvement of the utility model, the thickness of outer jam-proof coil groove is less than the thickness of inlayer jam-proof coil groove, through the improvement, because the diameter of outer jam-proof coil groove is greater than the diameter of inlayer jam-proof coil groove, make the coil area that every round of winding of outer jam-proof coil groove formed be greater than the coil area that the winding of inlayer jam-proof coil groove formed, and can offset each other according to the magnetic flux change that external magnetic field variation leads to for guaranteeing outer jam-proof coil and inlayer jam-proof coil, it is the same with the last area that expandes of inlayer jam-proof coil to need to guarantee that outer jam-proof coil is the same with the last area that expandes of inlayer jam-proof coil, then the thickness that needs control outer jam-proof coil groove and the thickness of inlayer jam-proof coil groove, it leads to twine the width difference too big to avoid jam-proof coil in winding process, and lead to expande the area deviation too big, be unfavorable for calculating the number of winding turns of outer jam-proof coil and inlayer jam-proof coil.
As the utility model discloses an improve, two the relative setting of inlayer jam-proof coil groove, two the outer jam-proof coil groove sets up from each other, through the improvement makes inlayer jam-proof coil and outer jam-proof coil be symmetric distribution, and the stability of jam-proof is higher.
As the utility model discloses a still another improvement, one side that inlayer jam-proof coil groove is close to the spliced pole is used for passing through countersunk screw fixed connection with the spliced pole, inlayer jam-proof coil groove causes one side of spliced pole to be equipped with the counter sink, through the improvement realizes the fixed connection of coil panel and spliced pole to guaranteed that countersunk screw can not influence the winding of jam-proof coil, guaranteed the winding planarization of jam-proof coil.
As the utility model discloses a still another improvement, countersunk screw's length is longer than the thickness of inlayer jam-proof coil groove, be equipped with the through hole that runs through inlayer jam-proof coil groove and outer jam-proof coil groove on the coil panel, through hole and the coaxial setting of countersunk hole, through the improvement, for the joint strength who guarantees between coil panel and the spliced pole, countersunk screw's connection length needs obtain guaranteeing, but when connection length is greater than the thickness of inlayer jam-proof coil groove, the condition of countersunk screw installation difficulty can appear, through the design of through hole, then the installation of the countersunk screw of being convenient for.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic sectional structure diagram of the present invention.
Fig. 3 is a schematic view of the connection structure of the connection column of the present invention.
Shown in the figure: 1. the coil comprises a coil panel, 1.1 parts of an inner layer anti-interference coil groove, 1.2 parts of an outer layer anti-interference coil groove, 1.3 parts of a countersunk hole, 1.4 parts of a through hole, 2 parts of a connecting column, 3 parts of a countersunk screw, 4 parts of an inner layer anti-interference coil and 5 parts of an outer layer anti-interference coil.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-2, an integral type magnetic flux measurement anti-interference device includes two coil panels 1 and a plurality of spliced poles 2, a plurality of spliced poles 2 are used for connecting two coil panels 1, every all be equipped with an inlayer anti-interference coil groove 1.1 and an outer anti-interference coil groove 1.2 in the circumference of coil panel 1, inlayer anti-interference coil groove 1.1 and outer anti-interference coil groove 1.2 coaxial design, two coil current direction and two on the inner layer anti-interference coil groove 1.1 winding the coil current direction on outer layer anti-interference coil groove 1.2 winding is opposite, the diameter of outer layer anti-interference coil groove 1.2 is greater than the diameter of inlayer anti-interference coil groove 1.1, the thickness of outer layer anti-interference coil groove 1.2 is less than the thickness of inlayer anti-interference coil groove 1.1, two inlayer coil groove 1.1 sets up relatively, two outer layer anti-interference coil groove 1.2 sets up from each other.
As shown in fig. 1 and 3, one side of the inner-layer anti-interference coil slot 1.1 close to the connection column 2 is used for being fixedly connected with the connection column 2 through a countersunk screw 3, one side of the connection column 2 caused by the inner-layer anti-interference coil slot 1.1 is provided with a countersunk hole 1.3, the length of the countersunk screw 3 is longer than the thickness of the inner-layer anti-interference coil slot 1.1, a through hole 1.4 penetrating through the inner-layer anti-interference coil slot 1.1 and the outer-layer anti-interference coil slot 1.2 is formed in the coil panel 1, and the through hole 1.4 is coaxially arranged with the countersunk hole 1.3.
In the winding process of the outer anti-interference coil 5 and the inner anti-interference coil 4, the outer anti-interference coil 5 and the inner anti-interference coil 4 are wound layer by layer, the winding uniformity and the winding stability of the two anti-interference coils are ensured, in the winding process, because the diameters of the coils are gradually increased, the calculation amount of the expansion area of the outer anti-interference coil 5 and the expansion area of the inner anti-interference coil 4 are large, errors easily occur, after the winding is completed, the outer anti-interference coil 5 and the inner anti-interference coil 4 are contrastively corrected by utilizing two detectors respectively, the number of winding turns is compensated, when the magnetic field changes, the magnetic fluxes formed by the outer anti-interference coil 5 and the inner anti-interference coil 4 are equal in size and opposite in direction.
In order to ensure the current consistency between the outer interference preventing coil 5 and the inner interference preventing coil 4, the outer interference preventing coil 5 and the inner interference preventing coil 4 can be wound by using the same wire, but the current directions need to be kept opposite, and the inner interference preventing coil 4 can be used as a measuring coil.
The foregoing is illustrative of the preferred embodiments of the present invention only and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. All changes which come within the scope of the invention as defined by the independent claims are to be embraced within their scope.
Claims (6)
1. The utility model provides an integral type magnetic flux measurement jam-proof device which characterized in that: including two coil panels (1) and a plurality of spliced pole (2), a plurality of spliced pole (2) are used for connecting two coil panels (1), every all be equipped with one inlayer jam-proof coil groove (1.1) and one outer jam-proof coil groove (1.2) in the circumference of coil panel (1), inlayer jam-proof coil groove (1.1) and outer jam-proof coil groove (1.2) coaxial design, two coil current direction and two on inlayer jam-proof coil groove (1.1) winding outer coil current opposite direction on coil current direction of jam-proof coil groove (1.2) winding.
2. The integrated flux measurement interference prevention device according to claim 1, wherein: the diameter of the outer-layer anti-interference coil slot (1.2) is larger than that of the inner-layer anti-interference coil slot (1.1).
3. The integrated flux measurement interference prevention device according to claim 2, wherein: the thickness of the outer layer anti-interference coil slot (1.2) is smaller than that of the inner layer anti-interference coil slot (1.1).
4. The integrated flux measurement interference prevention device according to claim 3, wherein: the two inner layer anti-interference coil slots (1.1) are arranged oppositely, and the two outer layer anti-interference coil slots (1.2) are arranged in an isolated mode.
5. The integrated magnetic flux measurement interference prevention device of claim 4, wherein: one side that inlayer jam-proof coil groove (1.1) is close to spliced pole (2) is used for passing through countersunk screw (3) fixed connection with spliced pole (2), inlayer jam-proof coil groove (1.1) causes one side of spliced pole (2) to be equipped with counter bore (1.3).
6. The integrated flux measurement interference prevention device according to claim 5, wherein: the length of the countersunk head screw (3) is longer than the thickness of the inner-layer anti-interference coil slot (1.1), a through hole (1.4) penetrating through the inner-layer anti-interference coil slot (1.1) and the outer-layer anti-interference coil slot (1.2) is formed in the coil disc (1), and the through hole (1.4) and the countersunk head hole (1.3) are coaxially arranged.
Priority Applications (1)
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CN202223048453.0U CN218866082U (en) | 2022-11-16 | 2022-11-16 | Integrated magnetic flux measurement anti-interference device |
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CN202223048453.0U CN218866082U (en) | 2022-11-16 | 2022-11-16 | Integrated magnetic flux measurement anti-interference device |
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CN218866082U true CN218866082U (en) | 2023-04-14 |
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CN202223048453.0U Active CN218866082U (en) | 2022-11-16 | 2022-11-16 | Integrated magnetic flux measurement anti-interference device |
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