JP6212687B2 - Shield connection structure and method for resolver harness - Google Patents

Description

  The present invention relates to a shield harness connecting structure and method for a resolver harness, and in particular, at least one of terminal pins is brought into contact with one surface of a ring-shaped stator so as to easily and surely connect a harness shield portion to the ring-shaped stator. It relates to a new improvement.

  As a conventional shield structure of this type of resolver harness, for example, as disclosed in “Resolver Stator” of Patent Document 1, although not shown, the end surface of the bobbin of the ring-shaped stator is Although it has been proposed that the stator windings are shielded from magnetic field noise and electric field noise by being surrounded by a part shield and a side shield, the grounding of the shield part of the resolver harness that is the lead wire bundle of the terminal holding part provided in the resolver stator Regarding the structure, in particular, patent literature showing the configuration is not shown, but as the product of the present applicant, the configuration shown in FIG. 11 can be mentioned.

  That is, what is indicated by reference numeral 1 in FIG. 10 is a ring-shaped stator integrally having protruding magnetic poles 2 protruding outward at a predetermined angular interval, and both surfaces of the ring-shaped stator 1 (only one surface is shown in the figure). ), A ring-shaped insulating cover 3 integrally formed by insert molding is formed on both sides of each protruding magnetic pole 2.

  A terminal pin holder 5 having a plurality of terminal pins 4 is provided on one surface 1 a of the annular stator 1, and a harness holder 8 having a plurality of lead wires 7 of a resolver harness 6 formed by insert molding in the terminal pin holder 5. It is provided by molding or the like so as to be polymerized. A terminal pin holder 30 is formed by the terminal pin holder 5 and the harness holder 8.

A round terminal 9 is connected to the tip of one of the lead wires 7, and the round terminal 9 is formed on one surface 1 a of the annular stator 1 as indicated by an arrow. It is fixed to the elongated hole 1b by a bolt or the like (not shown).
The lead wire 7 a is conductively connected to a cylindrical harness shield portion 10 provided on the outer periphery of the resolver harness 6. The round terminal 9 forms a shield connection means 40.

JP 2013-165608 A

Since the conventional shield connection structure of the resolver harness is configured as described above, the following problems exist.
That is, when the resolver is attached, the round terminal must be attached to the long hole of the ring-shaped stator, and the lead wire having the round terminal is disposed at a position separated from the terminal pin holder. It was an obstacle when installing the resolver.

  The present invention has been made to solve the above-described problems. In particular, at least one of the terminal pins is brought into contact with one surface of the ring-shaped stator so that the harness shield portion can be easily and electrically connected to the ring-shaped stator. It is an object of the present invention to provide a shield harness connecting structure and method for a resolver harness that is surely taken.

  The shield connection structure of the resolver harness according to the present invention includes a ring-shaped stator having a plurality of projecting magnetic poles projecting inward or outward at predetermined angular intervals, a stator winding wound around each projecting magnetic pole, A terminal pin holding portion having a plurality of terminal pins provided on one surface of a ring-shaped stator, and a resolver harness connected to the terminal pin holding portion and having a harness shield portion, the harness shield portion being interposed via shield connection means In the shield connection structure of the resolver harness that is conductively connected to one surface of the annular stator, the shield connection means includes at least one ground terminal pin of the terminal pins provided in the terminal pin holding portion. It consists of a bent portion formed at the lower end, and the bent portion is connected to the one surface, and the bent portion Is a configuration in which a protrusion is formed, and the protrusion is in direct contact with the one surface, and the terminal pin holding portion holds the terminal pins by insert molding, and a terminal pin holder provided on the one surface, A harness holder provided in the terminal pin holder and insert-molded with each lead wire of the resolver harness, and each terminal pin is configured to penetrate a long hole formed in the one surface, and In addition, between each of the terminal pins and the resolver harness, there is a configuration in which a longitudinal plate-like metal tongue piece having one end connected to each of the terminal pins is provided, and the shield of the resolver harness according to the present invention The connection method includes a ring-shaped stator having a plurality of projecting magnetic poles projecting inward or outward at predetermined angular intervals, and stays wound around the projecting magnetic poles. A winding, a terminal pin holding part provided on one surface of the ring-shaped stator and having a plurality of terminal pins, and a resolver harness connected to the terminal pin holding part and having a harness shield part, the harness shield part being a shield In the shield connection structure of a resolver harness that is conductively connected to one surface of the annular stator via a connection means, the shield connection means includes at least one of the terminal pins provided in the terminal pin holding portion. It is a method comprising a bent portion formed at a lower end portion of a ground terminal pin, wherein the bent portion is electrically connected to the one surface, and a protrusion is formed on the bent portion, and the protrusion is directly on the one surface. The terminal pin holding part is a terminal provided on the one surface by holding each terminal pin by insert molding. A pin holder and a harness holder provided in the terminal pin holder and having each lead wire of the resolver harness formed by insert molding, and each terminal pin passes through a long hole formed in the one surface Moreover, it is the method by which the longitudinal plate-shaped metal tongue piece by which the one end was connected to each said terminal pin is provided between each said terminal pin and the said resolver harness.

Since the shield connection structure and method for a resolver harness according to the present invention are configured as described above, the following effects can be obtained.
That is, a ring-shaped stator having a plurality of projecting magnetic poles projecting inward or outward at predetermined angular intervals, a stator winding wound around each projecting magnetic pole, and a plurality of surfaces provided on one surface of the ring-shaped stator A terminal pin holding portion having a terminal pin, and a resolver harness connected to the terminal pin holding portion and having a harness shield portion, wherein the harness shield portion is conductively connected to one surface of the annular stator via a shield connecting means. In the shield connection structure of the resolver harness, the shield connection means includes a bent portion formed at a lower end portion of at least one of the terminal pins provided in the terminal pin holding portion. The shield portion of the resolver harness is already connected to the ring-shaped stator because the bent portion is electrically connected to the one surface. By there is no need to ground connection after the resolver assembly, you can skip conventional work, the assembling work of the resolver can be greatly save labor than conventional.
Further, a protrusion is formed on the bent portion, and the protrusion is in direct contact with the one surface, so that the ground of the harness shield portion can be easily obtained through the terminal pin.
In addition, the terminal pin holding portion holds the terminal pins by insert molding and has a terminal pin holder provided on the one surface, and a harness holder provided on the terminal pin holder by insert molding each lead wire of the resolver harness And each terminal pin passes through a long hole formed in the one surface, so that the terminal pin holding portion can be easily attached to the annular stator.
In addition, between each terminal pin and the resolver harness, a long-plate-shaped metal tongue piece having one end connected to each terminal pin is provided, so that the resolver harness and each terminal pin are insert-molded. It can be easily connected by the metal tongue piece.

It is a perspective view which shows the principal part of the shield connection structure and method of a resolver harness by this invention. It is an expansion perspective view of the principal part of FIG. FIG. 3 is an enlarged perspective view showing a connection structure between the terminal pin and the metal tongue piece of FIG. It is an expansion perspective view which shows the principal part of FIG. It is an enlarged front view which shows the principal part of FIG. FIG. 6 is a plan view of FIG. 5. FIG. 6 is a bottom view of FIG. 5. FIG. 6 is a left side view of FIG. 5. FIG. 6 is a right side view of FIG. 5. It is a perspective block diagram which shows a conventional structure.

  According to the resolver harness shield connection structure and method according to the present invention, at least one of the terminal pins is brought into contact with one surface of the ring-shaped stator so that the harness shield portion is easily and reliably connected to the ring-shaped stator.

Hereinafter, preferred embodiments of a shield harness shield connection structure and method according to the present invention will be described with reference to the drawings.
In addition, the same code | symbol is demonstrated to the part which is the same as that of a prior art example, or an equivalent part.
What is indicated by reference numeral 1 in FIG. 1 is a ring-shaped stator integrally having projecting magnetic poles 2 projecting outward at a predetermined angular interval, and both surfaces of the ring-shaped stator 1 (only one surface is shown in the figure). The ring-shaped insulating cover 3 integrally formed by insert molding is formed on both surfaces of each protruding magnetic pole 2.

A terminal pin holder 5 having a plurality of terminal pins 4 is provided on one surface 1a of the ring-shaped stator 1, and a plurality of lead wires 7 of a resolver harness 6 are insert-molded in the terminal pin holder 5 so that a harness holder 8 is superposed. It is provided by molding or the like. A terminal pin holder 30 is formed by the terminal pin holder 5 and the harness holder 8.
The terminal pin holder 5 is attached to the long hole 1b by integral molding using the long hole 1b of the ring-shaped stator 1 as in the conventional configuration of FIG.

One end 20a of a metal tab 20 having a long flat plate shape is coupled to the top of each terminal pin 4 by mechanical engagement or welding, and the other end 20b faces outward of the annular stator 1. It is extended.
Each lead wire 7 of the harness shield part 10 is connected to the other end 20b of the metal tongue piece 20.

  Of each terminal pin 4 to which one end 20a of each metal tongue 20 is connected, at least one grounding terminal pin 4a located on one end side has its lower end 4b facing the outside of the annular stator 1. A bent portion 4c that bends in an L-shape is formed, and a hemispherical protrusion 4d is formed on the lower surface 4ca of the bent portion 4c.

  The protrusion 4d of the grounding terminal pin 4a passes through the elongated hole 1b of the ring-shaped stator 1 as is apparent from the state of FIGS. 3 and 5 to 9. The grounding terminal pin 4a does not pass through the long hole 1b and is in contact with the one surface 1a to be conducted.

  Each lead wire 7 of the harness shield part 10 connected to the resolver harness 6 is connected to each other end 20 b of each metal tongue piece 20, and at least one of the lead wires 7 on the most side portion side. The grounding lead wire 7a located at is connected to the other end 20b of the grounding metal tongue 20c connected to the grounding terminal pin 4a by welding or the like. The ground metal tongue piece 20c, the ground terminal pin 4a, the lower end portion 4b, and the lower surface 4ca form the shield connecting means 40. When the projection 4d is used, the contact with the one surface 1a is more reliable.

Next, a shield connection method in the shield connection structure of the resolver harness according to the present invention having the above-described configuration will be described.
First, as shown in FIG. 2, the terminal pin holder 5 having the terminal pins 4 and 4a is integrally formed together when the annular insulating cover 3 is insert-molded into the annular stator.

Next, after each end 20c of each of the metal tongues 20 and 20c is connected to each of the terminal pins 4 and 4a by welding or the like, as shown in FIGS. Each lead wire 7 and 7a of the harness shield part 10 is connected to the other end 20b of 20c.
Next, when the annular stator 1 is installed in a mold cavity (not shown) of an injection molding machine in the state described above and injection molding is performed, as shown in FIG. 1, the terminal pin holder of FIG. The harness holder 8 is integrally formed so as to cover 5 and the ground lead wire 7a connected to the harness shield portion 10 is connected to the ground tongue piece 20c, the ground terminal pin 4a, and the protrusion 4d of the bent portion 4c ( A ring-shaped stator 1 is obtained in which the projection 4d is not provided and only the bent portion 4c is allowed to come into contact with one surface 1a of the annular stator 1 and the harness shield portion 10 is conductively connected to the one surface 1a. be able to. In the above-described configuration, the protruding magnetic pole 2 protrudes outward, but an inner rotor type protruding inward is also possible.

Further, the shield connecting structure and method of the resolver harness according to the present invention are summarized as follows.
That is, a ring-shaped stator 1 having a plurality of projecting magnetic poles 2 projecting inward or outward at predetermined angular intervals, a stator winding wound around each projecting magnetic pole 2, and one surface 1a of the ring-shaped stator 1 A terminal pin holding part 30 having a plurality of terminal pins 4 and 4a, and a resolver harness 6 having a harness shield part 10 connected to the terminal pin holding part 30, wherein the harness shield part 10 is shield-connected. In the shield connection structure of the resolver harness that is conductively connected to the one surface 1a of the annular stator 1 through the means 40, the shield connection means 40 includes the terminal pins 4 and 4a provided on the terminal pin holding portion 30. The bent portion 4c is formed at the lower end portion 4b of at least one of the ground terminal pins 4a. And the bent portion 4c is formed with a protrusion 4d, and the protrusion 4d is in direct contact with the one surface 1a, and the terminal pin is held. The portion 30 holds the terminal pins 4 and 4a by insert molding and insert-molds the terminal pin holder 5 provided on the one surface 1a and the lead wires 7 and 7a of the resolver harness 6 provided on the terminal pin holder 5. The terminal pins 4 and 4a are configured to penetrate through the long holes 1b formed in the one surface 1a, and the terminal pins 4 and 4a. And the resolver harness 6 are provided with a longitudinal plate-like metal tongue piece 20 having one end 20a connected to each terminal pin 4, 4a.

  The resolver harness shield connection structure and method according to the present invention is such that at least one of the terminal pins is brought into contact with one surface of the annular stator so that the harness shield portion is easily and reliably connected to the annular stator. Therefore, the present invention can be applied not only to a resolver but also to a motor or the like.

DESCRIPTION OF SYMBOLS 1 Ring-shaped stator 1a One surface 1b Long hole 2 Protruding magnetic pole 3 Ring-shaped insulation cover 4 Terminal pin 4a Grounding terminal pin 4b Lower end part 4c Bending part 4ca Lower surface 4d Projection 5 Terminal pin holder 6 Resolver harness 7 Lead wire 7a Grounding lead wire 8 Harness holder DESCRIPTION OF SYMBOLS 10 Harness shield part 20 Metal tongue piece 20a One end 20b The other end 20c Ground tongue piece 30 Terminal pin holding | maintenance part 40 Shield contact means

Claims (8)

An annular stator (1) having a plurality of projecting magnetic poles (2) projecting inward or outward at a predetermined angular interval, a stator winding wound around each projecting magnetic pole (2), and the annular stator (1) A terminal pin holding portion (30) provided on one surface (1a) having a plurality of terminal pins (4, 4a), and a harness shield portion (10) connected to the terminal pin holding portion (30). A resolver harness (6), and
In the shield connection structure of the resolver harness, the harness shield part (10) is conductively connected to one surface (1a) of the annular stator (1) through a shield connection means (40).
The shield connecting means (40) includes a lower end (4b) of at least one of the terminal pins (4a) among the terminal pins (4, 4a) provided in the terminal pin holding portion (30). The shield connecting structure for a resolver harness, wherein the bent portion (4c) is electrically connected to the one surface (1a).   The resolver harness shield connection structure according to claim 1, wherein a projection (4d) is formed on the bent portion (4c), and the projection (4d) is in direct contact with the one surface (1a).   The terminal pin holding portion (30) is provided in the terminal pin holder (5) and the terminal pin holder (5) provided on the one surface (1a) by holding the terminal pins (4, 4a) by insert molding. A harness holder (8) having an insert molding of each lead wire (7, 7a) of the resolver harness (6), and each terminal pin (4, 4a) is formed on the one surface (1a). The shield connection structure for a resolver harness according to claim 1 or 2, characterized in that the long hole (1b) is penetrated.   Between each of the terminal pins (4, 4a) and the resolver harness (6), an elongated plate-like metal tongue (20) having one end (20a) connected to each of the terminal pins (4, 4a). The shield connection structure for a resolver harness according to any one of claims 1 to 3, wherein: An annular stator (1) having a plurality of projecting magnetic poles (2) projecting inward or outward at a predetermined angular interval, a stator winding wound around each projecting magnetic pole (2), and the annular stator (1) A terminal pin holding portion (30) provided on one surface (1a) having a plurality of terminal pins (4, 4a), and a harness shield portion (10) connected to the terminal pin holding portion (30). A resolver harness (6), and
In the shield connection structure of the resolver harness, the harness shield part (10) is conductively connected to one surface (1a) of the annular stator (1) through a shield connection means (40).
The shield connecting means (40) includes a lower end (4b) of at least one of the terminal pins (4a) among the terminal pins (4, 4a) provided in the terminal pin holding portion (30). A method for connecting a shield of a resolver harness, wherein the bent portion (4c) is electrically connected to the one surface (1a).   6. The resolver harness shield connection method according to claim 5, wherein a projection (4d) is formed on the bent portion (4c), and the projection (4d) is in direct contact with the one surface (1a).   The terminal pin holding portion (30) is provided in the terminal pin holder (5) and the terminal pin holder (5) provided on the one surface (1a) by holding the terminal pins (4, 4a) by insert molding. A harness holder (8) having an insert molding of each lead wire (7, 7a) of the resolver harness (6), and each terminal pin (4, 4a) is formed on the one surface (1a). The shield connection method for a resolver harness according to claim 5 or 6, wherein the long hole (1b) is penetrated.   Between each of the terminal pins (4, 4a) and the resolver harness (6), an elongated plate-like metal tongue (20) having one end (20a) connected to each of the terminal pins (4, 4a). The method for connecting a shield of a resolver harness according to any one of claims 5 to 7, characterized in that

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