TWI674734B - Connecting terminal and stator including the same - Google Patents

Abstract

A wiring terminal is used to solve the problems of disordered wiring of conventional motor components and the difficulty of switching and adjusting the wiring. The system includes: a base, the base has a connection portion, and a bottom portion of the base has a joint portion; and two conductive units, the two conductive units are coupled to the base, one end of the conductive unit is a The electrical connection end is located at the connection part, the other end of the conductive unit is a winding end exposed to the base, and the winding end has a curved channel. A motor stator system has a plurality of the connection terminals, and includes: a plurality of coil windings, the plurality of coil windings are respectively electrically connected to the winding ends of the plurality of connection terminals, and the electrical connection ends of the plurality of connection terminals are used for Electrically connected to a driving circuit.

Description

Terminal block and motor stator having the same

The invention relates to a wiring structure of a motor stator, in particular to a wiring terminal for conveniently sorting multi-phase wiring and preventing short circuit or signal interference, and a motor stator having the same.

In general, a plurality of stator winding groups are switched on and off to form a multi-phase stable rotating magnetic field, which can make the motor run stably, and has the advantages of stable power, power saving and easy starting.

However, several stator winding groups of conventional multi-phase motors each have two electrical terminals, and the electrical terminals must be electrically connected to the driving circuit without interference with each other in order to smoothly switch the phase of the motor. The winding group can also include several winding units, and the winding units of different phases can be staggered on the stator. In this way, it will increase the installation difficulty of the two electrical ends of each stator winding group, and when Each of the circuits where the electrical terminals are electrically connected incorrectly, or the winding units are short-circuited with electrical terminals of different phases, will cause the motor to be driven incorrectly.

In view of this, it is still necessary to improve the conventional connection method of the stator winding group.

In order to solve the above problems, an object of the present invention is to provide a connection terminal, which can be installed quickly and reduces the probability of wiring errors.

A secondary object of the present invention is to provide a terminal block, which can prevent each terminal Short circuit and mutual interference occur.

Another object of the present invention is to provide a connection terminal, which can reduce the material cost.

It is still another object of the present invention to provide a motor stator having the connection terminal, which can be connected to the connection terminal according to use requirements, and quickly switch functions.

The directionality or its approximate terms, such as "front", "rear", "bottom (bottom)", "inside", "outside", "surface", etc., referred to in the direction of the attached drawings, Each directional or similar term is only used to assist in explaining and understanding the embodiments of the present invention, and is not intended to limit the present invention.

The approximate terms such as "combination", "combination" or "assembly" in the full text of the present invention mainly include types that can still be separated without damaging the components after being connected, or that the components cannot be separated after being connected, which are common knowledge in the field You can choose one according to the material or assembly needs of the components to be connected.

The wiring terminal of the present invention comprises: a base, the base having a wiring portion, and a bottom portion of the base having a bonding portion; and two conductive units, the two conductive units being coupled to the base, the conductive One end of the unit is an electrical terminal located at the wiring portion, the other end of the conductive unit is a winding end exposed to the base, the winding end has a curved channel, and the wiring portion is an accommodation space. The base has an opening groove communicating with the connecting portion and a buckling member protruding from the opening groove.

According to this, the terminal of the present invention uses the base to sort and arrange the wire ends or line connectors of various components of the motor (such as: coil windings, drive circuits, etc.), and uses several conductive units electrically insulated from each other. The steering current or electronic signal acts on the corresponding components correctly, which has the effects of easy installation and reduction of electrical interference. In addition, the circuit connector can be easily plugged and replaced in the wiring part, which has the effect of convenient installation, and can ensure that the direction bound to the wiring part is correct and not easy to loose, and has the function of correct wiring and stable installation.

Wherein, the conductive unit is an electrical good conductor, the base is an electrical insulator, and the two conductive units are separated without direct contact. In this way, the system has the effect of correctly guiding the driving current.

Wherein, the corner of the curved channel is an arc angle. In this way, it has the effect of avoiding scratching the outgoing end and the incoming end of the coil winding.

The wiring terminal of the present invention comprises: a base, the base having a wiring portion, and a bottom portion of the base having a bonding portion; and two conductive units, the two conductive units being coupled to the base, the conductive One end of the unit is an electrical terminal located at the wiring portion, the other end of the conductive unit is a winding end exposed to the base, the winding end has a curved channel, and the joint portion forms a channel. In this way, the base can be fastened to the motor stator, and has the functions of rapid positioning and convenient installation.

The wiring terminal of the present invention comprises: a base, the base having a wiring portion, and a bottom portion of the base having a bonding portion; and two conductive units, the two conductive units being coupled to the base, the conductive One end of the unit is an electrical terminal at the connection portion, the other end of the conductive unit is a winding end exposed to the base, the winding end has a curved channel, and the bottom of the base has at least one positioning portion . In this way, the system can prevent the base from sliding, and the system has the effect of stable installation.

Wherein, the at least one positioning portion is a pin hole for inserting one end of a pin. In this way, the system has the functions of positioning and assembly.

Wherein, one end of the bolt is integrally formed on the joint portion. In this way, the system can reduce the number of assembled parts, and the system has the effect of reducing the cost of parts.

The wiring terminal of the present invention comprises: a base, the base having a wiring portion, and a bottom portion of the base having a bonding portion; and two conductive units, the two conductive units being coupled to the base, the conductive One end of the unit is an electrical terminal located at the wiring portion, the other end of the conductive unit is a winding end exposed to the base, the winding end has a curved channel, and the electrical connection end and the winding end There is a high and low drop. In this way, the distance between the winding end and the electrical connection end and other components of the motor can be adjusted, which has the effect of convenient installation and increased safety distance.

The wiring terminal of the present invention comprises: a base, the base having a wiring portion, and a bottom portion of the base having a bonding portion; and two conductive units, the two conductive units being coupled to the base, the conductive One end of the unit is an electrical terminal at the connection portion, the other end of the conductive unit is a winding end exposed to the base, the winding end has a curved channel, and the winding end of each conductive unit is There is a protective cover that covers the winding end surfaces on the two sides of the curved channel and a part of the surface of the adjacent base, and the winding end surfaces on the two sides of the curved channel end are kept bare. In this way, it is possible to prevent scratches and damages to the outgoing end and the incoming end of the coil winding and short circuit of the conductive unit, and has the effect of improving the safety of use.

The motor stator of the present invention has a plurality of the above-mentioned connection terminals, and includes: a plurality of coil windings, the plurality of coil windings are respectively electrically connected to the winding ends of the plurality of connection terminals, and the plurality of connection terminals are electrically connected The terminal is used for electrically connecting a driving circuit.

Wherein, the connecting portion of the connecting terminal is used to combine a line connector, and the electric connection end of the connecting terminal is used to electrically connect the driving circuit through the line connector. In this way, the driving circuit can be easily switched and connected to the terminal through the line joint system, and has the advantages of convenient installation and fast switching.

Wherein, the base has an opening groove communicating with the wiring portion and a clip member protruding from the opening groove, the line connector has a certain direction portion, and the orientation portion is protruding from the surface of the line connector. In this way, the system can ensure that the line connector is combined with the wiring part in the correct direction, and the system has the functions of correct wiring and stable installation.

Wherein, the bottom of the base has at least one positioning portion, the at least one positioning portion is a pin hole for inserting one end of a pin, and the other end of the pin is connected to the motor stator. In this way, the system has the functions of positioning and assembly.

Wherein, the winding end is separated from the coil winding electrically connected by a safety distance. In this way, it has the effect of preventing short circuit.

1‧‧‧ base

11‧‧‧Wiring Department

12‧‧‧ Clip

13‧‧‧Combination

14‧‧‧Positioning Department

2‧‧‧ conductive unit

21‧‧‧ power terminal

22‧‧‧ Winding end

23‧‧‧ curved channel

24‧‧‧ protective cover

3‧‧‧line connector

31‧‧‧ Orientation Department

T‧‧‧Terminal

G‧‧‧ bottom

S‧‧‧open slot

S1‧‧‧Slot pitch

S2‧‧‧Slot pitch

W‧‧‧ Winding seat ring wall

P‧‧‧ Bolt

C‧‧‧coil winding

N‧‧‧ Corner

R‧‧‧ safety distance

[FIG. 1] A perspective view of a first embodiment of the present invention.

[FIG. 2] A top view of an embodiment of the present invention.

[Fig. 3] A sectional view taken along line A-A in Fig. 2.

[FIG. 4] A cross-sectional view of the third embodiment of the present invention taken along the line A-A of FIG.

[FIG. 5] A schematic diagram of a use example of the first embodiment of the present invention.

[FIG. 6] A schematic diagram of a use example of the second embodiment of the present invention.

[FIG. 7] A top view of a preferred embodiment of the present invention mounted on a motor stator.

[Fig. 8] A sectional view along line B-B in Fig. 7.

[FIG. 9] A top view of a fourth embodiment of the present invention.

In order to make the above and other objects, features, and advantages of the present invention more comprehensible, the following describes the preferred embodiments of the present invention in detail with the accompanying drawings as follows: Please refer to FIG. 1, It is the first embodiment of the terminal T of the present invention, and includes a base 1 and two conductive units 2. The two conductive units 2 are coupled to the base 1, and two ends of the two conductive units 2 are respectively extended. Out of the base 1.

Please refer to Figs. 1 to 3, the base 1 has a connection portion 11 which can be used for setting and connecting a line connector 3, and the line connector 3 can be separately connected. A driving circuit is connected to the circuit, and if necessary, the line connector 3 can be positioned by a clip 12. In this embodiment, the wiring portion 11 can be an accommodation space and has a connection with the wiring portion 11. Opening slot S, the fastener 12 is protruding from the opening slot S, and the slot pitch of the opening slot S is S1 is greater than the slot spacing S2 of the 12 parts of the fastener. The line connector 3 has a certain direction portion 31. The orientation portion 31 protrudes from the surface of the line connector 3. When the line connector 3 is inserted into the wiring portion When the accommodating space of 11 is formed, the directional portion 31 can slide into the opening slot S to ensure that the line connector 3 is coupled to the wiring portion 11 in a correct joining direction, and the buckle 12 can be snap-fitted to the The end of the orientation portion 31 or a clamping slot is used to improve the firmness of the connection between the line connector 3 and the connection portion 11.

The bottom G of the base 1 has a coupling portion 13 so that the base 1 can be coupled to a motor stator by the coupling portion 13. The coupling portion 13 preferably forms a channel, as shown in FIGS. 5 and 6. The base 1 can be combined with the winding seat ring wall W of the motor stator by the joint 13, so that the joint 13 of the channel can quickly locate the base 1 and prevent the base 1 It slides or comes off with respect to this winding seat ring wall W. In addition, the coupling portion 13 preferably has at least one positioning portion 14 so that the coupling portion 13 can be fixed to the motor stator. As shown in FIG. 4, the positioning portion 14 may be two, and The positioning portion 14 can be a pin hole, so that the positioning portion 14 can be inserted into one end of a pin P, and the other end of the pin P can be inserted into a pin hole of the winding ring wall W, the pin P The material is preferably metal; or in the second embodiment shown in FIG. 6, the pin P is the same material as the base 1, and the at least one positioning portion 14 may be an integrally formed pin P.

Please refer to Figures 1 to 3, the two conductive units 2 are coupled to the base 1. The base 1 is preferably an electrical insulator, and the two conductive units 2 are separated without direct contact. One end of the unit 2 is an electrical connection terminal 21, which is located at the connection portion 11, and the other end of each conductive unit 2 is a winding terminal 22, which is exposed on the base. The other end of the base 1 is opposite to the connecting portion 11. The conductive unit 2 is a good electrical conductor, so that a current can be conducted between the electrical connection terminal 21 and the winding terminal 22, and the electrical connection terminal 21 and the winding terminal 22 may be integrally formed. In addition, as shown in FIG. 3, the two conductive units 2 and the joint portion 13 are not connected to each other. In this way, current leakage can be avoided, and current or electronic signals can be ensured to pass through the two conductive units 20%. Correct delivery. In addition, the electrical connection terminal 21 preferably protrudes from the connection portion 11 so that the electrical connection terminal 21 can be effectively electrically connected to the driving circuit through the line connector.

Please refer to FIG. 4, which is a third embodiment of the present invention. The conductive unit 2 may also have a bent shape, so that there is a height difference between the electrical connection terminal 21 and the winding end 22. The position of the wire end 22 is preferably higher than the electrical connection end 21. In this way, the distance between the wire winding end 22 and the motor stator is increased, which improves the convenience of installing the motor and wiring at the wire winding end.

Please refer to FIGS. 5 to 7, the winding end 22 preferably has a curved channel 23, and the opening of the curved channel 23 can be accessed by the exit end or the entry end of a coil winding C, and The wire end welding is positioned at the end of the curved channel 23, and the curved channel 23 may be an L-shaped equal channel. In this way, the two coil windings C of different phases can be electrically connected to the winding end 22 of the two conductive units 2 respectively through the outgoing end and the incoming end, and the curved channel 23 is used to prevent the end of the wire from falling off. Please refer to FIG. 2, the corner N of the curved channel 23 preferably forms an arc angle, which can avoid scratching the wire end and affecting the current conduction.

Please refer to FIG. 7 and FIG. 8. According to the foregoing structure, the terminal T of the present invention can be assembled to the motor stator. The number of the terminal T is equal to the number of phases of the motor. Equal-spaced rings are arranged on the winding seat ring wall W, each of the connection terminals T is used to guide current into and out of the coil windings C of two different phases, and the connection portion 11 of the base 1 is preferably approached inwardly In the center of the stator, the other end of the base 1 relative to the connecting portion 11 is close to the coil winding C outward. In addition, as shown in FIG. 8, the winding end 22 of each of the conductive units 2 is preferably spaced from the upper edge of the coil winding C by a safety distance R, and the safety distance R is preferably greater than 0.8 mm.

Please refer to FIG. 9, which is a fourth embodiment of the present invention. The winding ends 22 of each of the conductive units 2 may each have a protective sleeve 24. The protective sleeve 24 is preferably an electrically insulating soft material. For example, it is made of silicone, rubber, plastic, etc. The protective sleeve 24 can cover the curved channel 23 and a part of the surface of the adjacent base 1 so that only the end of the curved channel 23 remains exposed. It can conduct electricity. When the inlet end and outlet end of the coil winding C are wound around the curved channel 23, the protective sleeve 24 can prevent the line segment of the coil winding C from being scratched and damaged, and can also reduce the conductive unit 2 The probability of a short circuit with this coil winding C.

In summary, the terminal of the present invention uses the base to sort and arrange the wire ends or line connectors of the motor's coil windings, drive circuits and other components, and guides the current through several conductive units that are electrically insulated from each other. Or the electronic signal acts on the corresponding component correctly, which has the effects of easy installation and reduction of electrical interference.

Although the present invention has been disclosed using the above-mentioned preferred embodiments, it is not intended to limit the present invention. Anyone skilled in the art can make various changes and modifications to the above embodiments without departing from the spirit and scope of the present invention. The technical scope protected by the invention, so the scope of protection of the present invention shall be determined by the scope of the appended patent application.

Claims (14)

A connection terminal includes: a base, the base having a wiring portion, and a bottom portion of the base having a joint portion; and two conductive units, the two conductive units are coupled to the base, the conductive unit One end is an electrical terminal located at the wiring section, and the other end of the conductive unit is a winding end exposed to the base. The winding end has a curved channel. The wiring section is an accommodation space. The base The utility model is provided with an opening groove communicating with the connecting portion and a buckling member protruding from the opening groove. The terminal according to item 1 of the scope of the patent application, wherein the conductive unit is a good electrical conductor, the base is an electrical insulator, and the two conductive units are separated without direct contact. The terminal according to item 1 of the scope of patent application, wherein the corner of the curved channel is a circular arc angle. A connection terminal includes: a base, the base having a wiring portion, and a bottom portion of the base having a joint portion; and two conductive units, the two conductive units are coupled to the base, the conductive unit One end is an electrical connection terminal at the connection portion, the other end of the conductive unit is a winding end exposed to the base, the winding end has a curved channel, and the joint portion forms a channel. A connection terminal includes: a base, the base having a wiring portion, and a bottom portion of the base having a joint portion; and two conductive units, the two conductive units are coupled to the base, the conductive unit One end is an electrical connection end located at the connection part, the other end of the conductive unit is a winding end exposed to the base, the winding end has a curved channel, and the bottom of the base has at least one positioning part. The terminal according to item 5 of the scope of patent application, wherein the at least one positioning portion is a pin hole for inserting one end of a pin. The terminal according to item 6 of the scope of patent application, wherein one end of the pin It is integrally formed in the joint portion. A connection terminal includes: a base, the base having a wiring portion, and a bottom portion of the base having a joint portion; and two conductive units, the two conductive units are coupled to the base, the conductive unit One end is an electrical connection terminal located at the connection portion, the other end of the conductive unit is a winding end exposed to the base, the winding end has a curved channel, and the electrical connection end and the winding end have A high drop. A connection terminal includes: a base, the base having a wiring portion, and a bottom portion of the base having a joint portion; and two conductive units, the two conductive units are coupled to the base, the conductive unit One end is an electrical terminal located at the wiring portion, the other end of the conductive unit is a winding end exposed to the base, the winding end has a curved channel, and the winding end of each conductive unit has a A protective cover covering the winding end surface on both sides of the curved channel and a part of the surface of the adjacent base, and the winding end surface of the curved channel end remains bare. A motor stator is provided with the connection terminal described in any one of claims 1 to 9, and includes: a plurality of coil windings, each of which is electrically connected to the winding ends of the plurality of connection terminals, And the electrical terminals of the plurality of connection terminals are used to electrically connect a driving circuit. The motor stator according to item 10 of the scope of the patent application, wherein the connection portion of the connection terminal is used to combine a line connector, and the electrical connection end of the connection terminal is used to electrically connect the drive circuit through the line connection. The motor stator according to item 11 of the scope of patent application, wherein the base has an opening groove communicating with the wiring portion and a snap member protruding from the opening groove, and the line connector has a certain direction portion, the orientation The parts protrude from the surface of the line connector. The motor stator according to item 10 of the patent application scope, wherein the bottom of the base The part has at least one positioning part, and the at least one positioning part is a pin hole for inserting one end of a pin, and the other end of the pin is connected to the motor stator. The motor stator according to item 10 of the scope of patent application, wherein the winding end is spaced apart from the coil winding electrically connected by a safety distance.