JPH0324990B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an improvement of a triaxial magnetic flux detection coil device used in a magnetic flux detector using a superconducting quantum interference device or the like.

BACKGROUND ART Conventionally, as such a triaxial magnetic flux detection coil device, one having the configuration described below with reference to FIG. 1 has been proposed.

That is, two triaxial magnetic flux detection coils A and A' are provided on the support B with a predetermined distance therebetween.

In this case, the triaxial magnetic flux detection coil A has a configuration in which three coils L1, L2, and L3 are arranged orthogonally to each other on an insulator 1 made of a spherical block 2. Similarly to the triaxial magnetic flux detection coil A, the triaxial magnetic flux detection coil A' is also mounted on an insulator 1 consisting of a spherical block 2'.
It has a configuration in which three coils L1', L2' and L3' each having the same number of turns as the coils L1, L2 and L3 of the triaxial magnetic flux detection coil A are arranged orthogonally to each other.

Further, the coils L1 and L1' of the triaxial magnetic flux detection coils A and A' are arranged in parallel with each other, and the coils L2 and L2' of the triaxial magnetic flux detection coils A and A' are also arranged in parallel with each other. Arranged in parallel relationship, furthermore,
Coil L3 of triaxial magnetic flux detection coil A and A'
and L3' are arranged in parallel to each other.

On the other hand, the support B is made of a rod-shaped insulator 3, and a spherical block 2 as the insulator 1 of the triaxial magnetic flux detection coil A is formed integrally with the free end of the support B. In addition, at a position where a similar block 2' of the triaxial magnetic flux detection coil A' is maintained at a predetermined distance from the insulator 1 of the triaxial magnetic flux detection coil A on the way of the extension of the support B, It is formed integrally with this.

In addition, coil L1 of triaxial magnetic flux detection coil A
and the coil L1' of the triaxial magnetic flux detection coil A' are connected in series with opposite polarities and led out to an output line F1 that reaches a magnetic flux detector (not shown), and
An output line F is connected in the same way to the coil L2 of the triaxial magnetic flux detection coil A and the coil L2' of the triaxial magnetic flux detection coil A' and reaches a magnetic flux detector (not shown).
Furthermore, the coil L3 of the 3-magnetic magnetic flux detection coil A and the coil L3' of the 3-axis magnetic flux detection coil A' are also connected to a magnetic flux detector (not shown).
The output line F3 is led out to the output line F3.

The above is the configuration of the conventionally proposed triaxial magnetic flux detection coil device.

According to the axial magnetic flux detection coil device having such a configuration, the three coils L1, L2, and L3 of the triaxial magnetic flux detection coil A can detect the position of the triaxial magnetic flux detection coil A. External magnetic flux is detected three-dimensionally and the detection output is sent to output lines F1, F2 and F3.
Also, by the three coils L1', L2' and L3' of the triaxial magnetic flux detection coil A',
The external magnetic flux at the position of the triaxial magnetic flux detection coil A' is detected three-dimensionally, and the detection output is sent to the output line F1,
Output to F2 and F3.

In this case, the output line F1 connects the coils L1 and L1' of the triaxial magnetic flux detection coils A and A' in series with mutually opposite polarities, and the output line F2 connects the triaxial magnetic flux detection coil A and A' in series. and A' coils L2 and L
2' are connected in the same way, and further, the output line F3 is connected to 3'.
Since the coils L3 and L3' of the axial magnetic flux detection coils A and A' are connected in the same way, the output lines F1,
F2 and F3 are equipped with triaxial magnetic flux detection coil A and
It is possible to obtain an output that three-dimensionally detects the difference in external magnetic flux at the position A'.

Problems to be Solved by the Invention As described above, according to the triaxial magnetic flux detection coil device shown in FIG. However, the accuracy of the detection output is different from that of the coil L in the triaxial magnetic flux detection coil A.
1, L2 and L3, and the accuracy of the orthogonal relationship between coils L1' and L3 in the triaxial magnetic flux detection coil A'.
2' and L3', and the accuracy of the parallel relationship between the coils L1 and L1' of the triaxial magnetic flux detection coils A and A'.
The accuracy of the parallel relationship between coils L2 and L2',
It depends on the accuracy of the mutual parallelism of the coils L3 and L3'.

However, in the case of the conventional triaxial magnetic flux detection coil device shown in FIG. 1, the insulator 1 of the triaxial magnetic flux detection coil A is a spherical block 2, and the triaxial magnetic flux detection coil A Since the insulator 1' is also made of a spherical block 2', in the triaxial magnetic flux detection coil A, the three coils L1,
To obtain a mutual orthogonal relationship between L2 and L3 with high precision, and to obtain a mutual orthogonal relationship between the three coils L1', L2' and L3' in a triaxial magnetic flux detection coil A' with high precision. It is extremely difficult to obtain a parallel relationship between the coils L1 and L1' of the triaxial magnetic flux detection coils A and A' with high precision, and the triaxial magnetic flux detection coil A as well as
To obtain a parallel relationship between the coils L2 and L2' of A' with high precision, and to obtain the triaxial magnetic flux detection coil A and
It is very difficult to obtain a parallel relationship between the coils L3 and L3' of A' with high precision.

Therefore, in the case of the conventional triaxial magnetic flux detection coil device shown in Fig. 1, the triaxial magnetic flux detection coil A
In order to manufacture a device that can detect the difference in external magnetic flux at the positions of and A′ with high precision,
It had the disadvantage of being extremely difficult.

Means for Solving the Problems Therefore, the present invention can detect the external magnetic flux as shown in FIG. 1 without the above-mentioned difficulties, and can achieve significantly higher precision than the conventional triaxial magnetic flux detection coil device. It can be easily manufactured as something that can be detected by This paper aims to propose a novel triaxial magnetic flux detection coil device.

According to the triaxial magnetic flux detection coil device according to the present invention, as in the case of the conventional triaxial magnetic flux detection coil device described above in FIG. A plurality of triaxial magnetic flux detection coils in which the third coils are arranged in a mutually orthogonal relationship are arranged on a support, and the first coils of the plurality of triaxial magnetic flux detection coils are arranged in a parallel relationship with each other. the second coils of the plurality of triaxial magnetic flux detection coils are arranged in parallel relationship with each other, and the third coils of the plurality of triaxial magnetic flux detection coils are arranged in parallel relationship with each other. , are arranged at predetermined intervals.

However, according to the triaxial magnetic flux detection coil device according to the present invention, in the above-described configuration, the insulator in each of the plurality of triaxial magnetic flux detection coils is made of a block having a cubic shape or a similar shape. .

Further, the support body has a plurality of receiving grooves for respectively receiving blocks serving as insulators of the plurality of triaxial magnetic flux detection coils.

In this case, each of the plurality of receiving grooves has an inner surface corresponding to three outer surfaces on one vertex side or ridgeline side of the block as an insulator of the triaxial magnetic flux detection coil.

Then, one apex side or ridgeline side of the block as an insulator of the plurality of triaxial magnetic flux detection coils is aligned with the three outer surfaces of the three inner surfaces of the plurality of receiving grooves, respectively. A plurality of triaxial magnetic flux detection coils are supported on the support body in such a manner that they are respectively disposed within the plurality of receiving grooves.

Effect According to the triaxial magnetic flux detection coil device according to the present invention having such a configuration, the first coils of the plurality of triaxial magnetic flux detection coils are connected in series with each other in consideration of their polarities. In addition, the second coils of the plurality of triaxial magnetic flux detection coils are similarly connected and led out to the second output line, and furthermore, the plurality of triaxial magnetic fluxes are If the third coil of the detection coil is connected in the same way and led out to the second output line, outputs of detected external magnetic flux can be obtained on the first, second, and third output lines.

Effects of the Invention As described above, according to the triaxial magnetic flux detection coil device according to the present invention, external magnetic flux can be detected, but in each of the plurality of triaxial magnetic flux detection coils, the insulator is or a block having a similar shape, the mutual orthogonal relationship of the first, second and third coils arranged on the insulator can be obtained with high precision.

In addition, a plurality of triaxial magnetic flux detection coils connect one vertex side or ridgeline side of a block having a cubic shape or a similar shape as the insulator,
Because they are arranged in the plurality of receiving grooves of the support,
The block is supported by a support, and in this case one apex side or ridge side of each block has its three outer surfaces exactly attached to the three inner surfaces of the receiving groove of the support corresponding to that block. Therefore, the mutual parallel relationship of the first coils of the plurality of triaxial magnetic flux detection coils, the mutual parallel relationship of the second coils of the plurality of triaxial magnetic flux detection coils, and the mutual parallel relationship of the first coils of the plurality of triaxial magnetic flux detection coils,
The mutual parallel relationship of the third coils of the axial magnetic flux detection coil can be obtained with high precision.

Therefore, the triaxial magnetic flux detection coil device according to the present invention is characterized in that it can be easily manufactured as a device capable of detecting external magnetic flux with high precision.

Embodiment 1 First, a first embodiment of the triaxial magnetic flux detection coil device according to the present invention will be described with reference to FIG.

The triaxial magnetic flux detection coil device according to the present invention shown in FIG. 2 has two triaxial magnetic flux detection coils, similar to the conventional triaxial magnetic flux detection coil device described above in FIG. A and A' are on support B,
They are arranged at predetermined intervals.

In addition, in this case, the triaxial magnetic flux detection coil A
However, as in the case of the conventional triaxial magnetic flux detection coil device described above in FIG. It also has a triaxial magnetic flux detection coil.
Similarly, three coils L1', L2', and L3' having the same number of turns as the coils L1, L2, and L3 of the triaxial magnetic flux detection coil A are arranged on the insulator 1, so that they are orthogonal to each other. It has a configuration arranged in a relationship.

Furthermore, the coils L1 and L1' of the triaxial magnetic flux detection coils A and A' are connected to the first coils described above in FIG.
As in the case of the conventional triaxial magnetic flux detection coil device described above in the figure, they are arranged in parallel to each other, and
Coil L2 of triaxial magnetic flux detection coil A and A'
and L2' are also arranged in parallel relationship, and furthermore, 3
The coils L3 and L3' of the axial magnetic flux detection coils A and A' are also arranged in parallel to each other.

Furthermore, the coil L1 of the triaxial magnetic flux detection coil A and the coil L of the triaxial magnetic flux detection coil A'
1' are connected in series with opposite polarities and led out to the output line F1, as in the case of the conventional triaxial magnetic flux detection coil device described above in FIG.
The coil L2 of the axial magnetic flux detection coil A and the coil L2' of the triaxial magnetic flux detection coil A' are connected in the same way and led out to the output line F2. L3 and coil L3' of triaxial magnetic flux detection coil A' are similarly connected and led out to output line F3.

However, in the case of the triaxial magnetic flux detection coil device according to the present invention shown in FIG. 2, in the triaxial magnetic flux detection coil A, the insulator 1 is a block 12 having a cubic shape or a similar shape, In addition, in the triaxial magnetic flux detection coil A′,
The insulator 1' likewise consists of blocks 12' having a cubic or similar shape.

On the other hand, the support B is made of a prismatic insulator 13,
A block 12 as the insulator 1 of the triaxial magnetic flux detection coil A is attached to one end surface 14 of the insulator 13.
A receiving groove 15 is formed to receive the other end surface 14'.
A receiving groove 5' is formed for receiving a block 12' serving as an insulator 1' of a triaxial magnetic flux detection coil A'.

In this case, the receiving groove 15 is a regular triangular pyramid on the vertex P1 side of the three outer surfaces H1, H2, and H3 forming one vertex P1 of the block 12 as the insulator 1 of the triaxial magnetic flux detection coil A. The receiving groove 15' also has an inner surface corresponding to an outer surface having a conical surface or a conical surface similar thereto. ', the three outer surfaces H1', H forming the apex P1' corresponding to the apex P1 of the block 2 as the insulator 1 of the triaxial magnetic flux detection coil A
It has an inner surface corresponding to an outer surface having a surface of a regular triangular pyramid or a similar pyramid on the vertex P1' side of 2' and H3'. And receiving groove 15
an inner surface portion S1 corresponding to the apex P1 side of the above-mentioned outer surface H1 of the inner surface of the receiving groove 15'; and an inner surface portion S1' corresponding to the apex P1' side of the above-mentioned outer surface H1' of the receiving groove 15'. are in a parallel relationship. In addition, the receiving groove 15
an inner surface part S2 corresponding to the apex P1 side of the above-mentioned outer surface H2 on the inner surface of the receiving groove 15', and an inner surface corresponding to the apex P1' side of the above-mentioned outer surface H2' on the inner surface of the receiving groove 15'. The portion S2' is in a parallel relationship. moreover,
The apex P of the above-mentioned outer surface H3 of the inner surface of the receiving groove 15
The inner surface portion S3 corresponding to the first side and the receiving groove 15'
are in a parallel relationship with the surface portion S3'.

Thus, the vertex P1 side of the block 2 as the insulator 1 of the triaxial magnetic flux detection coil A is placed in the receiving groove 15 with its outer surface just aligned with the inner surface of the receiving groove 15 of the support body B. In this arrangement, the triaxial magnetic flux detection coil A is supported by the support B, and the vertex P1' side of the block 2' serving as the insulator 1' of the triaxial magnetic flux detection coil A' is The outer surface is attached to support B
The receiving groove 1 is aligned exactly with the inner surface of the receiving groove 15'.
A triaxial magnetic flux sensing coil A is supported on the support B in a relationship disposed within 5'.

The above is the configuration of the first embodiment of the triaxial magnetic flux detection coil device according to the present invention.

According to the triaxial magnetic flux detection coil device according to the present invention having such a configuration, as in the case of the conventional triaxial magnetic flux detection coil device described above in FIG. 3 coils L of A
1, L2, and L3 three-dimensionally detect the external magnetic flux at the position of the triaxial magnetic flux detection coil A, and output the detection output to the output lines F1, F2, and F3. The three coils L1', L2', and L3' of the magnetic flux detection coil A' three-dimensionally detect the external magnetic flux at the position of the triaxial magnetic flux detection coil A', and output the detection output. The external magnetic flux at the position of the triaxial magnetic flux detection coil A and the external magnetic flux at the position of the triaxial magnetic flux detection coil A' are output to the output lines F1, F2 and F3. It is possible to obtain an output that three-dimensionally detects the difference with the magnetic flux.

However, in the case of the triaxial magnetic flux detecting coil device according to the present invention shown in FIG. 2, the insulator 1 of the triaxial magnetic flux detecting coil A is a block 12 having a cubic shape or a similar shape; Since the insulator 1' of the triaxial magnetic flux detection coil A' is also composed of a block 12' having a cubic shape or a similar shape, in the triaxial magnetic flux detection coil A, the three coils L1, L2 and To obtain a mutually orthogonal relationship of L3 with high precision, and in the triaxial magnetic flux detection coil A', the three coils L1' and L2'
It is much easier to obtain the mutually orthogonal relationship between L3' and L3' with high precision as compared to the conventional triaxial magnetic flux detection coil device described above in FIG.

In addition, the triaxial magnetic flux detection coil A is mounted on the support member B in such a manner that the apex P1 side of the block 12 having a cubic shape or a similar shape as the insulator 1 is disposed within the receiving groove 15 of the support member B. Similarly, the triaxial magnetic flux detection coil A' is supported by the supporting body B, and the vertex P1' side of the block 12' having a cubic or similar shape as the insulator 1' is supported by the support body B. is supported on the support B in such a manner that it is disposed within the receiving groove 15' of the block, and in this case one vertex P1 of each block has its three outer surfaces H1, H2 and H3 corresponding to that block. The parallel relationship between the coils L1 and L1' of the triaxial magnetic flux detection coils A and A' is 3. It is possible to obtain both the parallel relationship between the coils L2 and L2' of the axial magnetic flux detection coils A and A' and the parallel relationship between the coils L3 and L3' of the triaxial magnetic flux detection coils A and A' with high precision. This is much simpler than the conventional triaxial magnetic flux detection coil device described above in FIG.

Therefore, according to the triaxial magnetic flux detection coil device according to the present invention shown in FIG. 2, the difference in external magnetic flux at the positions of the triaxial magnetic flux detection coils A and A' can be compared to It can be easily manufactured and can detect with much higher precision than a triaxial magnetic flux detection coil device.
It has this great feature.

Embodiment 2 Next, a second embodiment of the triaxial magnetic flux detection coil device according to the present invention will be described with reference to FIG.

The triaxial magnetic flux detection coil device according to the present invention shown in FIG. 3 is based on the triaxial magnetic flux detection coil device according to the present invention described above in FIG. , A'' and A' are arranged on the support B in that order at a predetermined interval.

In this case, the triaxial magnetic flux detection coil A is
As in the case of the triaxial magnetic flux detecting coil A of the triaxial magnetic flux detecting coil device according to the present invention described above in the figure, three pieces of coil L
1, L2, and L3 are arranged in a mutually orthogonal relationship, and the triaxial magnetic flux detection coil A″ is
In accordance with the case of the triaxial magnetic flux detection coil A of the triaxial magnetic flux detection coil device according to the present invention described above in FIG. Above, coils L1, L2, and L3 of triaxial magnetic flux detection coil A are shown.
three coils L1″, each with double the number of turns;
It has a configuration in which L2'' and L3'' are arranged in a mutually orthogonal relationship, and further, a triaxial magnetic flux detection coil A',
As in the case of the triaxial magnetic flux detection coil A' of the triaxial magnetic flux detection coil device according to the present invention described above in FIG. ′, there are three coils L1′, L with the same number of turns as the coils L1, L2, and L3 of the triaxial magnetic flux detection coil A, respectively.
2' and L3' are arranged in a mutually orthogonal relationship.

In addition, triaxial magnetic flux detection coils A, A'' and
The coils L1, L1'', and L1' of A' are arranged in parallel with each other, and the triaxial magnetic flux detection coils A,
Coils L2, L2'' and L2' of A'' and A' are arranged in parallel with each other, and coils L3, L3'' and L of triaxial magnetic flux detection coils A, A'' and A'
3' are arranged in parallel relationship with each other.

Furthermore, the coil L of the triaxial magnetic flux detection coil A
1 and coil L of triaxial magnetic flux detection coil A″
1'' and the coil L of the triaxial magnetic flux detection coil A'
1' are connected in series so that the coils L1 and L1' and the coil L1'' have opposite polarities and are led out to the output line F1, and the coil L2 of the triaxial magnetic flux detection coil A , triaxial magnetic flux detection coil
A″ coil L2″ and triaxial magnetic flux detection coil A
coil L2' is similarly connected to the output line F
2, and furthermore, the coil L3 of the triaxial magnetic flux detection coil A and the triaxial magnetic flux detection coil
A″ coil L3″ and triaxial magnetic flux detection coil
A' coil L3' is similarly connected and led out to an output line F3.

On the other hand, the support B is made of a prismatic insulator 13, as in the case of the triaxial magnetic flux detection coil device according to the present invention described above in FIG. Although detailed explanation will be omitted,
A receiving groove 15 similar to that described above in FIG. 2 for receiving the block 12 as the insulator 1 of the triaxial magnetic flux detection coil A, and the block 12 as the insulator 1'' of the triaxial magnetic flux detection coil A''. A receiving groove 1 that receives the apex P1'' side of the block 12'' that is similar to the receiving groove 15 that receives the block 12''.
5" and insulator 1' of triaxial magnetic flux detection coil A'
A receiving groove 15' similar to the receiving groove 15' described above in FIG. 2 is formed for receiving the block 12'.

The above is the configuration of the second embodiment of the triaxial magnetic flux detection coil device according to the present invention.

According to the triaxial magnetic flux detection coil device according to the present invention having such a configuration, it has a configuration similar to the triaxial magnetic flux detection coil device according to the present invention described above in FIG. Although omitted, it is clear that the same excellent features as in the case of FIG. 2 can be obtained.

Embodiment 3 Next, a third embodiment of the triaxial magnetic flux detection coil device according to the present invention will be described with reference to FIG.

In FIG. 4, parts corresponding to those in FIG. 3 are designated by the same reference numerals, and detailed description thereof will be omitted.

The triaxial magnetic flux detection coil device according to the present invention shown in FIG. 4 has the same configuration as the triaxial magnetic flux detection coil device according to the present invention shown in FIG. 3, except for the following matters.

That is, the receiving groove 15 for receiving the block 12 as the insulator 1 of the triaxial magnetic flux detection coil 1 provided on the support body B is located at one vertex P of the block 12.
Instead of having an inner surface corresponding to the outer surface on one side, the block 12 has a surface of a triangular prism or a similar column on the ridge line G1 side of the two outer surfaces forming one ridge line G1 of the block 12. Block 1 has an inner surface corresponding to the outer surface and also serves as an insulator 1'' of the triaxial magnetic flux detection coil A''.
Similarly, the receiving groove 15'' for receiving block 1
It has an inner surface corresponding to the outer surface on the ridgeline G1'' side corresponding to the ridgeline G1 of the above-mentioned block 12 of 2'', and furthermore, as an insulator 1' of the triaxial magnetic flux detection coil'. Similarly, the receiving groove 15' for receiving the block 12' extends along the ridge line G1 of the block 12', which corresponds to the ridge line G1 of the block 12 described above.
It has an inner surface that corresponds to the outer surface on the 1' side. In this case, the corresponding inner surface portions of the inner surfaces of the receiving grooves 15, 15'' and 15' are parallel to each other.

Therefore, the ridge lines G1, G1'' and G1' sides of the blocks 12, 12'' and 12' as insulators of the triaxial magnetic flux detection coils A, A'' and A' are connected to the support B. receiving grooves 15, 15″ and 1
5', and are arranged in the receiving grooves 15, 15'' and 15', respectively, just along the inner surface of the grooves 5',
Triaxial magnetic flux detection coils A, A″ and A′ are support body B
is supported by

The above is the configuration of the third embodiment of the triaxial magnetic flux detection coil device according to the present invention.

According to the triaxial magnetic flux detection coil device according to the present invention having such a configuration, it is possible to use the three-axis magnetic flux detection coil device according to the present invention as described above in FIG.
Since it has the same configuration as the axial magnetic flux detection coil device, a detailed explanation will be omitted, but it has the same excellent functions and effects as the case of FIG. 3.

Embodiment 4 Next, a fourth embodiment of the triaxial magnetic flux detection coil device according to the present invention will be described with reference to FIG.

In FIG. 5, parts corresponding to those in FIG. 3 are designated by the same reference numerals, and detailed description thereof will be omitted.

The triaxial magnetic flux detection coil device according to the present invention shown in FIG. 5 has the same configuration as the triaxial magnetic flux detection coil device according to the present invention shown in FIG. 3, except for the following matters.

That is, receiving grooves 15, 12, 12' for receiving blocks 12, 12'' and 12' as insulators 1, 1'' and 1' of triaxial magnetic flux detection coils A, A'' and A' provided on support B, respectively; 15'' and 15' are formed on one surface 16 of the support B, and extend from the support B integrally with the plate-like arm K;
are formed on one side of K″ and K′, respectively, and therefore,
Triaxial magnetic flux detection coils A, A'' and A' are provided on the support B on its arms K, K'' and K', respectively.

The above is the configuration of the fourth embodiment of the triaxial magnetic flux detection coil device according to the present invention.

According to the triaxial magnetic flux detection coil device according to the present invention having such a configuration, it is similar to the triaxial magnetic flux detection coil device according to the present invention shown in FIG. 3, except for the matters mentioned above. Although a detailed explanation will be omitted because of the structure, it has the same excellent functions and effects as the triaxial magnetic flux detection coil device according to the present invention described above in FIG. 3.

Note that the above description merely shows a few embodiments of the present invention, and various modifications and changes may be made without departing from the spirit of the present invention.

[Brief explanation of the drawing]

FIG. 1 is a schematic perspective view showing a conventional triaxial magnetic flux detection coil device. Figure 2 A and B are
1 is a schematic perspective view and an exploded perspective view thereof, respectively, showing a first embodiment of a triaxial magnetic flux detection coil device according to the present invention. 3A and 3B are a schematic perspective view and an exploded perspective view, respectively, showing a second embodiment of a triaxial magnetic flux detection coil device according to the present invention. 4A and 4B are a schematic perspective view and an exploded perspective view, respectively, showing a third embodiment of a triaxial magnetic flux detection coil device according to the present invention. Fifth
Figures A and B are a schematic perspective view and an exploded perspective view, respectively, showing a fourth embodiment of a triaxial magnetic flux detection coil device according to the present invention. A, A', A″...Triaxial magnetic flux detection coil, B
...Support, 1,1',1''...Insulator, 2,2',
12, 12', 12''...Block, 3...Insulator, L1, L1', L1'', L2, L2', L2'',
L3, L3', L3''...Coil, F1, F2, F
3...Output line, 15, 15', 15''...Receiving groove, 1
4, 14'... end face of insulator 3, 16... one side of insulator 3, K, K', K''... plate-like arm body, P1, P
1', P1''...Vertex, G1, G1', G1''...Ridge line.

Claims (1)

[Claims] 1. A plurality of triaxial magnetic flux detection coils having a configuration in which three first, second, and third coils are disposed on an insulator in a mutually orthogonal relationship, The first coils of the plurality of triaxial magnetic flux detection coils are arranged in parallel to each other, and the second coils of the plurality of triaxial magnetic flux detection coils are arranged in parallel to each other. In a triaxial magnetic flux detection coil device having a configuration in which the third coils of the plurality of triaxial magnetic flux detection coils are arranged in parallel with each other and are provided at a predetermined interval, In each of the plurality of triaxial magnetic flux detection coils, the insulator is a block having a cubic shape or a similar shape, and the support body serves as the insulator of the plurality of triaxial magnetic flux detection coils. It has a plurality of receiving grooves for receiving the blocks, respectively, and each of the plurality of receiving grooves is formed on three outer surfaces on the apex side or the ridgeline side of one of the blocks serving as an insulator of the triaxial magnetic flux detection coil. The block has three inner surfaces corresponding to each other, and one apex side or ridgeline side of one of the blocks serving as an insulator of the plurality of triaxial magnetic flux detection coils connects those three outer surfaces to the plurality of receiving grooves, respectively. The plurality of triaxial magnetic flux detection coils are supported on the support body in such a manner that they are arranged in the plurality of receiving grooves, respectively, in alignment with the three inner surfaces of the three inner surfaces of the coils. Characteristic triaxial magnetic flux detection coil device.