JP2023013813A - Motor with resolver, connector for motor wire, and motor wire leading structure - Google Patents

Abstract

To provide an effective wiring technique in which a connector for a motor wire capable of being attached with a resolver with the existed direct connection specification when a wiring is set to an opposite output side in a motor with the resolver.SOLUTION: A connector 10 for a motor wire of a motor 20 with a resolver, is for leading out a motor wire 25 of the motor 20 to a reverse output side, and is constructed by: a substrate 1 that is mounted and fixed onto a stator 36 of the resolver 30; a pipe part 2 that is provided to an output side of the substrate 1, and into which the motor wire 25 that is led out via the resolver 30 is inserted; and a terminal part 4 that has a terminal to which the motor wire 25 provided to the reverse output side surface of the substrate 1 and inserted is bonded.SELECTED DRAWING: Figure 2

Description

The present invention relates to a resolver-equipped motor, its motor wire connector, and motor wire lead-out structure, and more particularly to a motor wire wiring technique for a resolver-equipped motor.

Conventionally, a resolver-equipped motor uses a resolver with a direct connector (direct coupler) specification for drawing out the resolver sensor wire without passing it through the outside of the resolver. On the other hand, when the motor wire is pulled out to the counter-output side like the sensor wire, this is done by passing it through the outside of the resolver.

Conventionally, many technical proposals have been made regarding wiring techniques for motor wires in motors. For example, in Patent Document 1 listed later, as a rotary electric machine that has excellent heat dissipation and can reduce assembly man-hours and connection parts, a heat sink is fixed outside a bracket that holds the rotor and stator of the motor, and the heat sink-motor A resolver installed between them, a stator circuit unit and a field circuit unit installed on the opposite side of the resolver, and an insert case attached to a heat sink supporting the stator circuit unit, the field circuit unit, and the electric and a control board that is physically connected, and resolver input/output terminals are electrically connected to the control board through insertion holes provided in a heat sink.

Further, Patent Document 2 discloses a connection member for connecting multiple phase coils wound around a stator core as a stator manufacturing technology capable of reducing manufacturing costs, downsizing, and improving coil wiring workability. . This has an annular holder portion arranged at the axial end of the stator core, and the holder portion has a plurality of stepped portions so that the diameter of the holder portion is gradually reduced by steps in the axial direction toward the opposite side of the stator core. Further, the coils are wired so that each stepped portion has a different phase and the same stepped portion has the same phase.

Japanese Unexamined Patent Publication No. 2014-057451 "Rotating electric machine" Japanese Unexamined Patent Publication No. 2014-187797 "Connection member, stator, electric motor, and manufacturing method of stator"

As described above, when wiring the motor wire to the counter-output side in a motor with a resolver, it is carried out by passing it through the outside of the resolver. However, in such a system, the motor wires are exposed, which is not desirable in terms of use/handling, maintenance, and aspect. Wiring technology for motor wires that can be used in conjunction with existing direct connector specification resolvers, specifically direct connectors for motor wires is required.

Therefore, the problem to be solved by the present invention is to eliminate the problems of the prior art, and to attach the resolver together with the existing direct connector specification resolver when the wiring of the motor wire is set to the opposite output side in the motor with a resolver. To provide an effective wiring technique, mainly a connector for motor wires capable of

As a result of examining the above problems, the inventors of the present application have developed a direct connector structure for the motor wire, which is mounted on the upper surface of the resolver stator, and furthermore, the motor wire is inserted to protect the insulation of the motor wire drawn out from the bus bar. The inventors came up with a specification in which a pipe is provided and the motor wires are led out through the pipe, and based on this, the present invention was completed. That is, the inventions claimed in the present application, or at least the inventions disclosed as means for solving the above problems, are as follows.

[1] A motor wire connector for leading a motor wire of a motor with a resolver to the counter-output side, comprising a substrate mounted and fixed on the stator of the resolver, and a substrate provided on the output side of the substrate to be pulled out. A motor wire for a motor with a resolver, characterized by comprising a pipe portion into which a motor wire is inserted, and a terminal portion provided on the side opposite to the output side of the substrate and having a terminal to which the inserted motor wire is joined. connector for.
[2] The motor wire connector for a resolver-equipped motor according to [1], wherein the pipe portion is composed of an individual pipe for each motor wire.
[3] The pipe portion according to any one of [1] and [2], characterized in that the pipe portion is formed so as to be inserted into a mounting hole of a resolver to which the motor wire connector is fixed. Motor wire connector for motors with resolvers.
[4] A motor wire lead-out structure for a resolver-equipped motor, characterized in that the motor wires are connected to the motor wire connector according to any one of [1], [2] and [3].

[5] The motor wire lead-out structure for a resolver-equipped motor according to [4], characterized in that an insertion hole for passing the motor wire to the resolver side is provided in the rear cover of the motor through which the motor wire is led out. .
[6] A motor with a resolver, characterized by having the motor wire connector according to any one of [1], [2] and [3], or the motor wire lead-out structure according to [5].
[7] The resolver-equipped motor of [6], wherein the resolver wires are led out in direct connector specifications.

Since the motor with resolver, the motor wire connector thereof, and the motor wire drawing structure of the present invention are configured as described above, according to these, when the wiring of the motor wire in the motor with resolver is set to the opposite output side, There is no need to expose the motor wires to the outside. In other words, it is possible to provide a wiring system that is desirable in terms of use/handling, maintenance, and appearance/form. In addition, the present invention can be used in combination with an existing direct connector specification resolver.

1 is a side cross-sectional view showing configurations of a motor with a resolver, its motor wire connector, and a motor wire lead-out structure according to the present invention; FIG. FIG. 2 is an enlarged view of a main portion of FIG. 1; It is explanatory drawing which shows the structure of the connector for motor wires of this invention from four directions. FIG. 2 is a top view showing the configuration of the motor wire connector of the present invention shown in FIG. 1 and the like (mounted on a resolver); FIG. 5 is a perspective view of the state shown in FIG. 4; FIG. 2 is a partial side cross-sectional view showing an example of a motor wire connection structure in the motor wire connector of the present invention shown in FIG. 1 and the like; 6 is a partial side cross-sectional view showing an example of a motor wire connection structure different from that of FIG. 5 in the motor wire connector of the present invention shown in FIG. 1 and the like; FIG. FIG. 2 is a top view (end view from the counter-output side) of a resolver on which the motor wire connector of the present invention shown in FIG. 1 etc. is placed and fixed; FIG. 2 is an end view of the motor with a resolver of the present invention shown in FIG. 1 and the like on the non-output side; FIG. 4 is a perspective view showing the configuration of the rear lid relating to the motor wire lead-out structure of the motor with a resolver of the present invention having an insertion opening.

The present invention will be described in detail below with reference to the drawings.
FIG. 1 is a side cross-sectional view showing the configuration of a motor with a resolver, its motor wire connector, and motor wire drawing structure according to the present invention. 2 is an enlarged view of a main part of FIG. 1. FIG. As shown in these figures, the motor wire connector 10 of the motor 20 with resolver is for pulling out the motor wire 25 of the motor 20 with resolver to the opposite output side, and is placed and fixed on the stator 36 of the resolver 30. A substrate 1, a pipe portion 2 provided on the output side 1F surface of the substrate 1 and into which the drawn motor wire 25 is inserted, and a motor wire 25 provided on the counter-output side 1R surface of the substrate 1 and inserted. and a terminal portion 4 having a terminal 5 to which is joined.

A motor wire lead-out structure 40 for a resolver-equipped motor, in which the motor wires 25 led out to the motor wire connector 10 are connected, is also within the scope of the present invention. A resolver-equipped motor 20 having such a motor wire connector 10 or a motor wire lead-out structure 40 is also within the scope of the present invention.

In the motor 20 with a resolver using the motor wire connector 10 of the motor with a resolver having the above configuration, the individual motor wires 25 drawn from the motor 20 are provided on the output side 1F surface of the substrate 1 of the motor wire connector 10. It is inserted into the pipe portion 2, and connected to the corresponding terminal 5 in the terminal portion 4 provided on the counter-output side 1R surface through the inside thereof. Further, the motor wire connector 10 is placed and fixed on the stator 36 of the resolver 30 by the substrate 1 . In this way, the motor wire 25 of the motor 20 with resolver is drawn out to the counter-output side without being exposed to the outside of the motor 20 or the resolver 30 .

That is, according to the motor wire connector 10 of the present invention, it is not necessary to expose the motor wire 25 to the outside when the wiring of the motor wire 25 in the motor 20 with resolver is arranged on the opposite output side. In other words, it is possible to provide a wiring system that is desirable in terms of use, handling, maintenance, appearance and form. Further, by passing the motor wire 25 through the inside of the pipe portion 2 and connecting it to the terminal portion 4, the connection portion and the motor wire bus bar 28 can be reliably insulated. The motor wire connector 10 is made of an insulating material such as resin.

FIG. 3 is an explanatory view showing the configuration of the motor wire connector of the present invention from four directions. In the figure, (a) is a plan view showing the output side of the substrate, (b) is an elevation view of (a), (c) is a plan view showing the counter-output side of the substrate, and (d) is a plan view of (a). It is a right view, and the terminal part is made into the cross section view. As shown in these figures, the motor wire connector 10 of the motor with a resolver can have its pipe portion 2 composed of individual pipes 3, 3, 3 for each motor wire. With such a configuration, the motor wires for the three phases are inserted into the individual pipes 3, 3, 3 and connected to the terminal portion 4 through the pipes 3, 3, 3, so that the motor wires do not come into contact with each other. Further, the position of each motor line is regulated by the main pipe portion 2, and at the same time, the position of the main pipe portion 2 is also regulated by the motor wire. Therefore, the main motor wire connector 10 is fixed in the circumferential direction. also function.

FIG. 4 is a top view showing the configuration of the motor wire connector of the present invention shown in FIG. 1 and the like (mounted on a resolver). 4-2 is a perspective view of the state shown in FIG. As shown in these drawings, the substrate 1 of the motor wire connector 10 can be formed in a donut shape with a partial cutout so as to be convenient for mounting and fixing the resolver 30 on the stator 36 . The mounting to the resolver stator 36 can be performed by screwing using the mounting holes 11 of the motor wire connector provided corresponding to the mounting holes 31 of the resolver, which will be described later. Further, as shown in the figure, the substrate 1 of the motor wire connector 10 has a cutout portion corresponding to the arrangement area of the lead-out portion 38 of the resolver wire of the direct connector specification. It can be fixed using the stator 36 top position.

FIG. 5 is a partial side cross-sectional view showing an example of a motor wire connection structure in the motor wire connector of the present invention shown in FIG. 1 and the like. 5-2 is a partial side cross-sectional view showing an example of a motor wire connection structure different from that shown in FIG. 5 in the motor wire connector of the present invention shown in FIG. 1 and the like. As shown in these, the motor wire connection structure is a method in which the connection state is formed in a state where the end of each motor wire 25 is in contact with the corresponding terminal 5 (FIG. 5), and the end 525 of each motor wire is It can be formed by an appropriate method such as a method in which a connection state is formed by being sandwiched between corresponding terminals 55 (FIG. 5-2).

FIG. 6 is a top view (an end view from the counter-output side) of a resolver on which the motor wire connector of the present invention shown in FIG. 1 and the like is placed and fixed. As shown in the figure, a resolver stator 36 of the resolver 30 is provided with resolver mounting holes 31, 31, . The pipe portion 2 of the motor wire connector 10 can be formed so as to be inserted into the mounting hole 31 of the resolver to which the motor wire connector 10 is fixed.

With such a configuration, the motor wire connector 10 can be mounted and fixed on the stator 36 by using the mounting holes 31 and fitting the individual pipes 3, 3, 3 of the pipe portion 2 therein. can be done. Each motor wire 25 is drawn out through the mounting hole 31, passed through the individual pipe 3, and connected to a terminal of the terminal portion 4. As shown in FIG. A part of the mounting hole 31 is used for fitting the pipe portion 2 , and the rest is used for screwing the resolver 30 and the motor wire connector 10 .

FIG. 7 is an end view of the non-output side of the motor with a resolver of the present invention shown in FIG. 1 and the like. As described above, the motor wire connector 10 of the present invention and the motor 20 with a resolver provided with the motor wire lead-out structure 40 are also within the scope of the present invention. A wire lead-out portion 38 is arranged on the non-output side end face. Thus, the present invention is particularly useful in resolver-equipped motors in which resolver wires are led out in direct connector specifications.

FIG. 8 is a perspective view showing the configuration of the rear lid relating to the motor wire lead-out structure of the motor with resolver of the present invention having an insertion opening. In the figure, (R) indicates the counter-output side, and (F) indicates the output side. As illustrated, the motor wire lead-out structure 40 can be configured such that an insertion hole 298 for passing the motor wire 25 to the resolver 30 side is provided in the rear lid 29 of the motor from which the motor wire 25 is led out. . With such a configuration, each motor wire 25 is passed through the insertion openings 298 , 298 , 298 toward the resolver 30 side (counter-output side) and then through the pipe portion 2 of the motor wire connector 10 .

According to the motor with a resolver, the motor wire connector thereof, and the motor wire drawing structure of the present invention, the motor wire does not need to be exposed to the outside when the wiring of the motor wire is on the opposite output side in the motor with the resolver.・It is possible to provide a wiring system that is desirable in terms of handling, maintenance, appearance and shape. Therefore, the invention has high industrial applicability in the fields of manufacture and use of motors and resolvers, and in all related fields.

1, 51... Substrate 1F... Output side of substrate 1R... Anti-output side of substrate 2... Pipe portion 3... Individual pipe 4, 54... Terminal portion 5, 55... Terminals 10, 510... Motor wire connector 11 for motor with resolver Motor wire connector mounting hole 20 Motor with resolver 21 Motor shaft 25, 525 Motor wire 28 Motor wire bus bar 29 Rear cover 298 Insertion port 30 Resolver 31 Resolver mounting hole 36, 536 Resolver stator 37 Resolver rotor 38 Resolver wire lead-out portion 39 Resolver sensor cover 40 Motor wire lead-out structure of motor with resolver

Claims (7)

A motor wire connector for pulling out a motor wire of a motor with a resolver to the opposite output side,
a substrate mounted and fixed on the stator of the resolver;
a pipe portion provided on the output side surface of the substrate and into which the drawn motor wire is inserted;
A motor wire connector for a resolver-equipped motor, characterized by comprising a terminal part provided on the counter-output side surface of the substrate and having a terminal to which an inserted motor wire is connected. 2. A motor wire connector for a resolver-equipped motor according to claim 1, wherein said pipe portion comprises an individual pipe for each motor wire. 3. A resolver-equipped motor according to claim 1 or 2, wherein said pipe portion is formed so as to be able to be inserted into a mounting hole of a resolver to which said motor wire connector is fixed. Motor wire connector. 4. A motor wire lead-out structure for a resolver-equipped motor, wherein the motor wire is connected to the motor wire connector according to claim 1, 2 or 3. 5. A motor wire lead-out structure for a resolver-equipped motor according to claim 4, wherein an insertion hole for passing the motor wire to the resolver side is provided in the rear cover of the motor through which the motor wire is led out. A motor with a resolver, comprising the motor wire connector according to any one of claims 1, 2 and 3, or the motor wire lead-out structure according to claim 5. 7. The resolver-equipped motor according to claim 6, wherein the resolver wires are led out in a direct connector specification.

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