JP4348668B2 - Brushless resolver and insulating connection structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a rotation detector terminal and a rotation detector provided with the rotation detector terminal, and in particular, in a resolver and a synchro including a brushless resolver, the electrical connection between a wire and a signal input / output unit can be reduced in cost and environmental load. The present invention relates to a rotation detector terminal and a rotation detector including the rotation detector terminal.
[0002]
[Prior art]
Conventionally, in a rotation detector such as a resolver such as a brushless resolver or a synchro, the electrical connection between a magnet wire constituting a winding of the rotation detector and a signal input / output unit has been performed by soldering.
[0003]
[Problems to be solved by the invention]
In the manufacturing process, this soldering operation is performed manually, and the technical difficulty is high, and the quality reproducibility is likely to vary. Therefore, the soldering process is the maximum processing man-hour part in the whole process of manufacturing the rotation detector, and is the biggest obstacle to the reduction of the manufacturing cost. In particular, in a manufacturing process of a resolver using extra fine wires, there has been a strong demand for improvement of electrical connection work by soldering.
[0004]
Furthermore, the solder used in soldering contains a large amount of heavy metals, such as lead and tin, which have a large environmental load, and is one factor that deteriorates the environment. Therefore, in conjunction with the above-described demand for cost reduction, development of an electrical connection method that replaces soldering has been demanded.
[0005]
An object of the present invention is to provide a low-cost and low environmental load connection method that does not use soldering in electrical connection between a magnet wire of a rotation detector and a signal input / output unit, and a rotation detector by such connection. Is to provide.
[0006]
[Means for Solving the Problems]
As a result of intensive studies by the inventor of the present application, it has been found that the above-mentioned problems can be solved by performing the electrical connection between the magnet wire and the signal input / output unit using a crimping terminal, and the present invention has been achieved. That is, the invention claimed in the present application , or at least the disclosed invention is as follows.
[0007]
(I) An insulating connection structure of a brushless resolver for electrical connection between a magnet wire constituting a winding of the brushless resolver and a signal input / output unit, the insulating connection structure comprising: The rotation detector is for caulking terminals, wherein the signal input / output unit terminals serving as caulking terminals and the magnet wires are inserted into the caulking terminal holes. Insulating connection structure.
(II) The structure for insulating connection of a rotation detector according to (I), wherein the structure is made of a resin material.
(III) A signal input / output unit terminal in which the electrical connection between the magnet wire constituting the winding of the brushless resolver and the signal input / output unit is a caulking terminal, and an insulating connection structure for the magnet wire. A brushless resolver characterized in that the brushless resolver is formed by caulking by inserting into a caulking terminal hole of a body.
(IV) The brushless resolver according to (III), wherein the insulating connecting structure is provided in an insulating member of an iron core in the brushless resolver.
(V) The brushless resolver according to (III), wherein the insulating connection structure is provided in a transformer winding bobbin of the brushless resolver.
[0008]
(1) A rotation detector terminal for electrical connection between the electric wire of the rotation detector and the signal input / output unit, wherein the rotation detector terminal is a caulking terminal, Rotation detector terminal.
(2) The rotation detector terminal according to (1), wherein the electric wire includes at least a magnet wire.
[0009]
(3) The rotation detector terminal is integrally provided with an insulating connection structure for obtaining the electrical connection by inserting the electric wire and caulking the rotation detector terminal and the electric wire. The rotation detector terminal according to (1) or (2), characterized in that
[0010]
(4) The rotation detector terminal according to (3), wherein the insulating connecting structure is made of a resin material.
[0011]
(5) The rotation detector includes an insulating connection means for obtaining electrical connection by inserting the electric wire, and caulking the rotation detector terminal and the electric wire, and any one of (1) to (4) A rotation detector comprising: a rotation detector terminal.
[0012]
(6) The rotation detector according to (5), wherein the insulating connection means is provided as an insulating connection structure in an insulating member of an iron core in the rotation detector.
[0013]
(7) The rotation detector according to (5) or (6) , wherein the insulating connecting means uses a resin material.
[0014]
(8) The rotation detector is a brushless rotation detector, and the insulating connection means is provided as an insulating connection structure even in a rotation detector transformer winding bobbin. The rotation detector according to any one of (5) to (7).
[0015]
That is, in the present invention, in order to reduce the cost and the environmental load, the caulking terminal is used in the electrical connection between the magnet wire of the rotation detector and the signal input / output unit. In other words, the input / output terminal of the rotation detector is used as a crimping terminal . Furthermore, by inserting a caulking terminal with a magnet wire or the like and caulking to provide an insulating connection structure for obtaining electrical connection on the insulation member of the rotation detector core or the bobbin for transformer winding, the magnet wire Etc. and the convenience of electrical connection between the signal input / output unit and the like can be improved. In addition, by making the input / output unit terminal a caulking terminal integrally provided with the insulative connection structure, it is possible to simplify the operation of the caulking connection, thereby improving the convenience of electrical connection. It can also be increased.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the drawings, taking a brushless resolver as an example.
FIG. 1 is a half sectional view in a side direction showing an embodiment of a rotation detector terminal of the present invention. In the figure, a rotation detector terminal 1 according to the present invention is a terminal of a signal input / output section and is a crimping terminal. In the figure, the rotation detector terminal 1 is inserted into a caulking terminal hole 4 of an insulator 3 with a caulking terminal hole which is an insulating connection structure, and the magnet wire 2 of the rotation detector is also used for the caulking terminal. The rotation detector terminal 1 and the magnet wire 2 are caulked together with the caulking terminal hole 4 of the insulator 3 with a hole, and electrical connection between the signal input / output unit and the winding side is obtained.
[0017]
The rotation detector terminal 1 may be provided integrally with the insulator 3 with a caulking terminal hole. Moreover, a resin material can be used for the insulator 3 with holes for caulking terminals. As a result, the connection work in the caulking connection can be simplified as described above, and the convenience of electrical connection can be improved. That is, the caulking connection work between the magnet wire and the signal input / output unit can be simplified, the working efficiency can be improved, and the manufacturing cost can be further reduced.
[0018]
FIG. 2 is a half sectional view in a side direction showing another embodiment of the rotation detector terminal of the present invention. In the figure, a rotation detector terminal 1 according to the present invention is a terminal of a signal input / output section and is a crimping terminal. In the figure, the rotation detector terminal 1 is inserted into a caulking terminal hole 4 of an insulator 3 with a caulking terminal hole which is an insulating connection structure, and a magnet wire 2 and a lead wire 5 of the rotation detector are also included. Further, the rotation detector terminal 1, the magnet wire 2, and the lead wire 5 are caulked together with the caulking terminal hole 4 of the caulking terminal hole insulator 3 to obtain an electrical connection.
[0019]
The rotation detector terminal 1 may be provided integrally with the insulator 3 with a caulking terminal hole. Moreover, in this case, a resin material can be used for the insulator 3 with a crimping terminal hole. As a result, the convenience of electrical connection can be improved, the working efficiency can be improved, and the manufacturing cost can be further reduced, similar to the rotation detector terminal of the embodiment shown in FIG.
[0020]
FIG. 3 is a view showing the structure of an iron core incorporating an insulator with a caulking terminal hole for implementing the rotation detector terminal of the present invention in a brushless resolver, of which (a) is a plan view and (b) FIG. 4A is a half sectional view of a cut surface taken along the horizontal center line of FIG. 1A, and FIG. 2C is a side view as viewed from the side where the insulator 13 with caulking terminals is provided. In the drawing, an insulating member 11 that accommodates a stator core 10 of a brushless resolver incorporates an insulator 13 with a caulking terminal hole, which is an insulating connection structure. The insulator 13 can be made of a resin material.
[0021]
3A, 3B, and 3C, the brushless resolver according to the stator core 10 in which the insulator 13 with the caulking terminal hole is incorporated constitutes an example of the rotation detector of the present invention. This rotation detector eliminates the need for manual soldering, which has a high technical difficulty in the electrical connection between the magnet wire and the signal input / output unit during the manufacturing process, improves the reproducibility of the quality, and reduces the manufacturing cost. can do.
[0022]
Further, in the present rotation detector, since the insulator 13 with the caulking terminal hole is incorporated in the insulating member 11 that accommodates the stator core 10, the caulking connection work between the magnet wire and the signal input / output unit is simplified. It is possible to improve the working efficiency and further reduce the manufacturing cost.
[0023]
FIG. 4 is a diagram showing the configuration of a transformer winding bobbin with a caulking terminal hole for implementing the rotation detector terminal of the present invention in a brushless resolver, of which (a) is a plan view and (b) is a plan view. FIG. 4A is a half sectional view of a cut surface taken along the horizontal center line of FIG. 1A, and FIG. 3C is a side view as viewed from the side where the insulator with holes for caulking terminals in FIG. In the drawing, a transformer winding bobbin 21 of a brushless resolver incorporates an insulator 23 with a caulking terminal hole, which is an insulating connection structure. The insulator 23 can be made of a resin material.
[0024]
4 (a), 4 (b), and 4 (c), the brushless resolver according to the transformer winding bobbin 21 in which the insulator 23 with the caulking terminal hole is incorporated is an example of the rotation detector of the present invention. Constitute. The brushless resolver in which the insulator 3 with the caulking terminal hole is incorporated in the stator core 10 and the insulator 23 with the caulking terminal hole is incorporated in the transformer winding bobbin 21 is also a rotation detector of the present invention. Configure an example. This rotation detector eliminates the need for manual soldering, which has a high technical difficulty in the electrical connection between the magnet wire and the signal input / output unit during the manufacturing process, improves the reproducibility of the quality, and reduces the manufacturing cost. can do.
[0025]
In addition, since the insulator 23 with the caulking terminal hole is incorporated in the transformer winding bobbin 21, the rotation detector can simplify the caulking connection work between the magnet wire and the signal input / output unit. Efficiency can be improved and manufacturing costs can be further reduced.
[0026]
【The invention's effect】
Since the rotation detector terminal of the present invention and the rotation detector using the rotation detector are configured as described above, electrical connection between the magnet wire of the rotation detector and the signal input / output unit is not performed by soldering. It can be carried out. This eliminates the need for manual work with high technical difficulty, improves quality reproducibility, and reduces manufacturing costs. Particularly in a resolver using extra fine wires, the effect of reducing the manufacturing cost is great.
[0027]
In addition, according to the rotation detector terminal of the present invention and the rotation detector using the same, soldering is not required, so that adverse effects on the environment and load can be reduced.
[0028]
Furthermore, a rotation detector terminal integrated with an insulator with a caulking terminal hole, an iron core incorporating an insulator with a caulking terminal hole, or a transformer winding bobbin incorporating an insulator with a caulking terminal hole The rotation detector and the resolver having the above can simplify the caulking connection work between the magnet wire and the signal input / output unit, improve the working efficiency, and further reduce the manufacturing cost.
[Brief description of the drawings]
FIG. 1 is a half sectional view in a side direction showing an embodiment of a rotation detector terminal of the present invention.
FIG. 2 is a half sectional view in a side direction showing another embodiment of the rotation detector terminal of the present invention.
3A is a plan view, FIG. 3B is a half sectional view, and FIG. 3C is an iron core incorporating an insulator with a crimping terminal hole for implementing a rotation detector terminal of the present invention in a brushless resolver. Is a side view.
4A is a plan view, FIG. 4B is a half sectional view, and FIG. 4C is a half sectional view of a transformer winding bobbin with a crimping terminal hole for implementing the rotation detector terminal of the present invention in a brushless resolver. It is a side view.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Signal input / output part terminal, 2 ... Magnet wire, 3, 13, 23 ... Insulator with hole for caulking terminal, 4 ... Hole for caulking terminal, 5 ... Lead wire, 10 ... Stator iron core, 11 ... Insulating member, 21 ... Bobbin for transformer winding, 23 ... Insulator with holes for caulking terminals

Claims (5)

A insulative connecting structure of the brushless resolver for electrical connection between the magnet wire and the signal input and output portions constituting the winding of the brushless resolver, this insulating connecting structure for crimping terminals are of, the hole for the caulking terminal, wherein the signal output unit terminal has a crimping terminal, and the magnet wire is in a state of both being inserted, the rotation detector of the insulating connection Structure. The structure for insulating connection of a rotation detector according to claim 1 , wherein the structure is made of a resin material. The signal input / output unit terminal, which is the caulking terminal for electrical connection between the magnet wire constituting the winding of the brushless resolver and the signal input / output unit, and the magnet wire are both caulked by the insulating connecting structure. A brushless resolver , characterized by being inserted and crimped into a terminal hole. The brushless resolver according to claim 3 , wherein the insulating connection structure is provided in an insulating member of an iron core in the brushless resolver . 4. The brushless resolver according to claim 3 , wherein the insulating connection structure is provided in a transformer winding bobbin of the brushless resolver .

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