CN115021455A - Wiring device of stator, wiring method and motor - Google Patents
Wiring device of stator, wiring method and motor Download PDFInfo
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- CN115021455A CN115021455A CN202210562440.0A CN202210562440A CN115021455A CN 115021455 A CN115021455 A CN 115021455A CN 202210562440 A CN202210562440 A CN 202210562440A CN 115021455 A CN115021455 A CN 115021455A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/08—Forming windings by laying conductors into or around core parts
- H02K15/085—Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention provides a wiring device, a stator, a wiring method and a motor of the stator, wherein the stator comprises a stator winding, the wiring device comprises a puncture terminal, a first insulating framework and a second insulating framework, and the puncture terminal comprises a puncture part and an electric connection part; the puncture part is electrically connected with the wire head of the stator winding, the electric connection part is electrically connected with the power line, and the wire head of the stator winding is further electrically connected with the power line; the wiring device has simple structure and process, high wiring efficiency, difficult error and reliable electric connection, and is beneficial to realizing automation; the piercing terminals are arranged in the first terminal groove and the second terminal groove of the first insulating framework, are fixed through the limiting structures and are reliably fixed; the power line is arranged in the first wiring groove according to the wiring rule; the thermal protector is arranged in the thermal protector groove; the second insulation skeleton lock is on first insulation skeleton, makes to pierce through terminal and thermal protector and fasten between first insulation skeleton and second insulation skeleton, and the electrical insulation is effectual.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a wiring device of a stator, the stator, a wiring method and a motor.
Background
When a stator of a motor is produced, a wire end of a stator winding needs to be electrically connected with a corresponding power wire; in the prior art, a direct connection mode is adopted, which comprises the operations of polishing a paint film of an enameled wire, soldering tin, wrapping an insulating gummed paper sleeve and the like, and in addition, the wire ends of a plurality of stator windings need to be arranged and fixed; lead to that the wiring process is loaded down with trivial details and the process is complicated, connect sharp-pointed insulating layer of easily puncturing of solder joint, lead to turn-to-turn short circuit, influence motor quality.
Disclosure of Invention
In view of this, the invention provides a wiring device, a stator, a wiring method and a motor for a stator, so as to solve the problems of complex wiring process of the stator, poor insulation effect of a connection part and the like in the prior art.
The invention provides a wiring device of a stator, wherein the stator comprises a stator winding, the wiring device comprises a puncture terminal, and the puncture terminal comprises a puncture part and an electric connection part; the puncture part can be electrically connected with the wire head of the stator winding, the electric connection part can be electrically connected with the power line, and further the wire head of the stator winding can be electrically connected with the power line.
Further optionally, the piercing portion is formed with a piercing groove, a side wall of the piercing groove forming a piercing tooth; when the wire head of the stator winding is embedded in the puncture groove, the puncture tooth punctures the paint coat of the stator winding, and the puncture part is electrically connected with the wire head of the stator winding;
the electric connection part is provided with a clamping groove, and when the power line is embedded in the clamping groove, the electric connection part is electrically connected with the power line.
Further optionally, the wiring device further includes a first insulating skeleton, one end of the first insulating skeleton is formed with a wire fixing structure, and the wire fixing structure includes a first terminal groove and/or a second terminal groove; the puncture part is embedded in the first terminal groove and/or the electric connection part is embedded in the second terminal groove.
Further optionally, the piercing terminal is formed with a first limit structure located between the piercing portion and the electrical connection portion; the wire fixing structure also comprises a second limiting structure formed in the first terminal groove;
when the puncture part is embedded in the first terminal groove, the first limiting structure is matched with the second limiting structure, so that the puncture terminal is fixed on the first insulating framework.
Optionally, the wire fixing structure further includes a wire passing hole and a wire wrapping post, the wire passing hole, the first terminal groove, the second terminal groove and the wire wrapping post are arranged in a one-to-one correspondence manner, the wire passing hole is used for leading out a wire end of the stator winding, and the wire wrapping post is used for winding a part of the wire end of the stator winding.
Further optionally, the first insulating framework is an arc-shaped structure, the plurality of wire fixing structures are arranged along the circumferential direction of the first insulating framework; in each wire fixing structure, the wire passing hole, the first terminal groove, the second terminal groove and the winding post are sequentially arranged along the radial direction of the first insulating framework.
Further optionally, a first wiring groove and a first wire outlet hole are further formed at one end, close to the wire fixing structure, of the first insulating framework, and the second terminal groove and the first wire outlet hole are both communicated with the first wiring groove; many the power cord all sets up in the first trough, and every the one end of power cord is inlayed and is established in the corresponding draw-in groove, every the other end of power cord by first wire hole draws forth.
Further optionally, the first wire outlet hole is formed on an outer side wall of the first insulating skeleton; the first wiring groove is arranged between the outer side wall of the first insulating framework and the second terminal groove in an enclosing mode.
Further optionally, a thermal protector slot and a second wiring slot are further formed at one end, close to the wire fixing structure, of the first insulating framework; the thermal protector groove is arranged opposite to the wire fixing structure and used for arranging a thermal protector; the second wiring groove is close to the stator winding and used for arranging the outgoing line of the thermal protector.
Further optionally, termination still includes the insulating skeleton of second, the structure of the insulating skeleton of second with the structure looks adaptation of first insulating skeleton, and the insulating skeleton lock of second is in on the first insulating skeleton, can be used to fix puncture terminal, thermal protector and power cord.
Further optionally, the second insulating framework is formed with a terminal post and a thermal protector post which are oppositely arranged, and a second wire outlet hole is formed on the outer side wall of the second insulating framework; when the second insulating framework is buckled with the first insulating framework, the terminal post is matched with the first terminal groove and fastened with the puncture part, the thermal protector post is matched with the thermal protector groove and pressed on the thermal protector, and the second wire outlet hole is matched with the first wire outlet hole and pressed on the power line.
Further optionally, a boss and an avoidance groove are formed at one end of the first insulating framework far away from the wire fixing structure; the boss is used for the fixing of first insulation skeleton, dodge the structure of groove with the structure looks adaptation of stator winding's tip is used for fixing enclose during the first insulation skeleton and establish stator winding's tip.
The invention also provides a stator, which comprises a stator core, a stator winding, a machine shell, a thermal protector and any one of the wiring devices of the stator; the stator winding is wound on the stator core, the shell is arranged around the outer side of the stator core, a third wire outlet hole is formed in the side wall of the shell, and a groove is formed between the stator winding and the shell; a first fixing groove is formed at the first wire outlet hole of the first insulating framework;
the boss of the first insulating framework is embedded in the groove, the avoiding groove of the first insulating framework is arranged at the end part of the stator winding in a surrounding manner, the first fixing groove is arranged on the hole wall of the third wire outlet hole, and then the first insulating framework is fixed; the thermal protector is disposed within the thermal protector pocket.
The invention also provides a wiring method of the stator, which comprises the following steps:
electrically connecting one end of a power line with the corresponding electrical connection part;
disposing the pierce terminal at one end of the stator winding;
and electrically connecting the wire ends of the stator windings with the corresponding puncture parts.
Further optionally, the wiring method further includes:
two outgoing lines of the thermal protector are respectively and electrically connected with a wire head and a power wire of the corresponding stator winding, and the thermal protector is arranged in the thermal protector groove;
arranging a plurality of power lines in the first wiring groove, and leading the other ends of the power lines out of the first wire outlet hole;
and buckling a second insulating framework on the first insulating framework.
The invention also provides a motor comprising the stator or a wiring method adopting the stator.
Compared with the prior art, the invention has the following beneficial effects:
(1) the puncture part is electrically connected with the wire head of the stator winding, the electric connection part is electrically connected with the power line, and the wire head of the stator winding is electrically connected with the power line; the wiring structure is simplified, the wiring process is optimized, the operation is convenient and rapid, the wiring efficiency is improved, and the operations of polishing a paint film, soldering tin, wrapping an insulating adhesive paper sleeve and the like on the enameled wire are not needed; the labor intensity is reduced, and the automation is favorably realized; the problems of complex wiring process, easy wrong wiring connection of operators and low wiring efficiency are solved, and the problems of easy loosening and unreliable connection between a power line and a wire end of a stator winding are solved;
(2) the piercing terminals are arranged in the first terminal groove and the second terminal groove and are fixed through the limiting structures, so that the fixing is reliable; the wire end of each stator winding is led out from the wire passing hole, is electrically connected with the corresponding puncture part and is wound on the winding post; a plurality of power lines are arranged in the first wiring groove, one end of each power line is electrically connected with the electric connection part, and the other end of each power line is led out from the first wire outlet hole; the puncture terminal is reliably electrically connected with the wire head of the winding and the power line, the wire head of the winding and the power line are reliably fixed, the wiring is regular, and the appearance is attractive; the problems of insecure and unreliable wiring and easy breaking are solved, the tension of the joint is prevented from loosening, and the divergence and disorder of power lines are avoided;
(3) the thermal protector is arranged in the thermal protector groove, so that the thermal protector is in close contact with the stator winding, and the protection effect of the thermal protector on the motor is ensured; the outgoing line of the thermal protector is arranged in the second wiring groove, so that reliable electric connection is ensured; the second insulating framework is buckled on the first insulating framework, so that the piercing terminal and the thermal protector are fastened between the first insulating framework and the second insulating framework, the electric insulating effect is good, and the working stability of the motor is improved;
(4) the boss is embedded in the groove, the first fixing groove is formed in the hole wall of the third wire outlet hole, and the first insulating framework is well fixed to the shell and the end portion of the stator winding.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic structural view of a piercing terminal according to an embodiment of the present invention;
fig. 2a and fig. 2b are schematic structural diagrams of an embodiment of a first insulating skeleton according to the present invention;
fig. 3a, fig. 3b and fig. 3c are schematic structural views of a second insulating framework according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of the first insulating skeleton and the second insulating skeleton provided by the invention, which are assembled together;
fig. 5a is a schematic structural diagram of an embodiment of a stator (including a first insulating skeleton) provided in the present invention;
fig. 5b is a schematic structural diagram of an embodiment of a stator (including a first insulating skeleton, a thermal protector and a power line) provided by the present invention;
fig. 6a is a schematic structural diagram of an embodiment of a stator (including a first insulating skeleton and a second insulating skeleton) provided in the present invention;
fig. 6b is a schematic structural diagram of an embodiment of a stator (including a first insulating frame, a second insulating frame, and a power line) provided in the present invention;
FIG. 7 is a schematic cross-sectional structural view of an embodiment of a stator provided by the present invention;
FIG. 8 is a schematic flow chart illustrating an exemplary stator wiring method according to the present invention;
in the figure:
1-piercing a terminal; 11-a piercing portion; 111-piercing grooves; 112-wire fixing holes; 12-an electrical connection; 121-card slot; 13-a transition; 131-a limiting hole; 132-avoidance position;
2-a first insulating skeleton; 21-a first radial wall a; 22-a first inner side wall; 23-a first radial wall B; 24-a first outer side wall; 241-a first outlet hole; 242 — first fixation groove; 25-a wire fixing structure; 251-a first terminal slot; 252-a second terminal slot; 253-a limit post; 254-a wire through hole; 255-wrapping posts; 26-a first cabling channel; 271-thermal protector groove; 272-a second cabling channel; 281-boss; 282-avoidance slot; 29-locking groove;
3-a second insulating skeleton; 31-a second radial wall; 32-a second exterior side wall; 321-a second outlet hole; 322-a second fixation slot; 331-terminal post; 332-thermal protector column; 34-a locking buckle;
4-a stator; 41-a stator core; 411-grooves; 42-a stator winding; 421-enameled wire; 43-a housing; 431-third outlet hole; 44-a thermal protector; 45-power line; 46-outlet glue nozzle; 47-Upper end Cap.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
When the existing motor is used for wiring a stator, a direct connection mode is mainly adopted, the operations comprise polishing a paint film of an enameled wire, soldering tin, wrapping an insulated gummed paper sleeve and the like, and in addition, the wire ends of a plurality of stator windings are required to be arranged and fixed; the wiring process is complicated, the process is complex, the connecting welding points are sharp and easily pierce the insulating layer, turn-to-turn short circuit is caused, and the quality of the motor is influenced; in addition, as the number of gears of the motor is increased, the number of power lines is also increased, and wiring of the stator is more complicated.
The invention creatively provides a wiring device of a stator, wherein the stator comprises a stator winding, the wiring device comprises a puncture terminal, and the puncture terminal comprises a puncture part and an electric connection part; the puncture part is electrically connected with the wire head of the stator winding, the electric connection part is electrically connected with the power line, and the wire head of the stator winding is further electrically connected with the power line;
the wiring device has the advantages of simple structure, simple wiring process, regular wiring, high wiring efficiency, difficult error in wiring, reliable electric connection, low labor intensity and contribution to realizing automation.
< piercing terminal >
As shown in fig. 1, the present embodiment provides a wiring device of a stator, wherein a stator 4 includes a stator winding 42, the wiring device includes a piercing terminal 1, the piercing terminal 1 includes a piercing portion 11 and an electrical connection portion 12 which are oppositely arranged; the piercing portion 11 may be electrically connected to a terminal of the stator winding 42, the electrical connection portion 12 may be electrically connected to the power line 45, and the terminal of the stator winding 42 may be electrically connected to the power line 45.
Further, the puncturing part 11 is formed with a puncturing groove 111, and the side wall of the puncturing groove 111 is formed with puncturing teeth; when the wire end of the stator winding 42 is embedded in the puncturing groove 111, the puncturing teeth puncture the paint skin of the enameled wire 421 of the stator winding 42, and the puncturing part 11 is electrically connected with the wire end of the stator winding 42;
the electrical connection part 12 is provided with a clamping groove 121, and when the power line 45 is embedded in the clamping groove 121, the electrical connection part 12 is electrically connected with the power line 45;
specifically, the puncturing part 11 is bent and formed into an inverted U-shaped structure when viewed in the left-right direction, both side walls of the U-shaped structure are formed with puncturing grooves 111, the puncturing grooves 111 extend in the up-down direction, the bottom and the top of the puncturing grooves 111 are closed and opened, and the bottom of the puncturing grooves 111 is formed with a wire fixing hole 112; when the wire end of the winding is embedded in the puncture groove 111 along the up-down direction of the puncture groove 111, the puncture teeth puncture the paint skin of the enameled wire 421 of the stator winding 42, so that the puncture part 11 is electrically connected with the wire end of the stator winding 42, and the wire end of the stator winding 42 is fixed at the wire fixing hole 112; the distance between the opposite piercing teeth is smaller than the wire diameter of the enameled wire 421 of the stator winding 42, so that the enamel of the enameled wire 421 can be pierced without damaging the wire body;
when viewed along the front-back direction, the electrical connection portion 12 is bent to form a U-shaped structure, the side wall of the U-shaped structure is enclosed to form a clamping groove 121, and when the power line 45 is embedded and fixed in the clamping groove 121, the power line is electrically connected with the electrical connection portion 12;
the puncture terminal 1 further comprises a transition part 13 connecting the puncture part 11 and the electric connection part 12, wherein the transition part 13 extends along the front-back direction and is provided with a first limiting structure for fixing the puncture terminal 1; the transition part 13 is also provided with an avoiding position 132 which is convenient for the installation and fixation of the puncture terminal 1; specifically, the first limiting structure limiting hole 131, the limiting hole 131 includes two and all semi-cylindrical holes, which are respectively located on the left side and the right side of the transition portion 13;
in conclusion, the wiring structure is simplified, the wiring process is optimized, the operation is convenient and rapid, the wiring efficiency is improved, the labor is reduced, the efficiency is improved, and the operations of polishing paint skin, soldering tin, coating insulating gummed paper sleeves and the like on the enameled wire 421 are not needed; the labor intensity is reduced, and the automation is favorably realized; the puncture terminal 1 is reliable in fixation and electric connection, the problems of complex wiring process, easiness in wire connection error of operators and low wiring efficiency are solved, and the problems of easiness in loosening and unreliable connection of a power line 45 and a wire end of a winding are solved; compared with the existing mode, the method can meet the requirement of higher drawing force and improve the quality of the motor.
< first insulating skeleton >
As shown in fig. 2a and 2b, the wiring device further includes a first insulating skeleton 2, a wire fixing structure 25 is formed on the top of the first insulating skeleton 2, the wire fixing structure 25 includes a first terminal groove 251 and a second terminal groove 252, and the first terminal groove 251 and the second terminal groove 252 are communicated; the piercing part 11 is embedded in the first terminal groove 251, and the electric connection part 12 is embedded in the second terminal groove 252, so that the piercing terminal 1 is fixed; specifically, the top of the first insulating frame 2 forms a first terminal groove left side wall and a first terminal groove right side wall which extend upwards, and the first terminal groove left side wall and the first terminal groove right side wall are arranged at intervals and are surrounded to form a first terminal groove 251; viewed from the up-down direction, the left side wall of the first terminal groove and the right side wall of the first terminal groove are both in U-shaped structures; the top of the first insulating framework 2 is also provided with a second terminal slot left side wall and a second terminal slot right side wall which extend upwards, and the second terminal slot left side wall and the second terminal slot right side wall are arranged at intervals and are enclosed into a second terminal slot 252; the left side wall and the right side wall of the second terminal groove are both in L-shaped structures when viewed from the up-down direction; the left side wall and the right side wall of the second terminal groove form a transition structure corresponding to the avoidance position 132 for piercing the terminal 1;
further, the wire fixing structure 25 further includes a second limiting structure formed in the first terminal groove 251; specifically, the second limiting structure is a limiting column 253, and the limiting column 253 comprises two semi-cylindrical columns which are respectively located on the left side wall of the first terminal groove and the right side wall of the first terminal groove;
embedding the puncture part 11 in the first terminal groove 251 to enable the first limit structure to be matched with the second limit structure, embedding the electric connection part 12 in the second terminal groove 252 to enable the transition structure to be matched with the avoiding position 132, and further fixing the puncture terminal 1 on the first insulating framework 2; and a plurality of fixing modes are adopted, so that the fixing of the puncture terminal 1 is more reliable.
Aiming at the problem that the wire end of the stator winding 42 is not electrically connected with the puncture terminal 1 reliably, the implementation proposes that the wire fixing structure 25 further comprises a wire passing hole 254 and a wire wrapping column 255, the wire passing hole 254, the first terminal groove 251, the second terminal groove 252 and the wire wrapping column 255 are arranged in a one-to-one correspondence manner, the enameled wire 421 of each stator winding 42 is led out from the wire passing hole 254 and then is electrically connected with the corresponding puncture groove 111, and the wire end of the enameled wire 421 is wound on the corresponding wire wrapping column 255; the wire passing hole 254 has a certain limiting effect on the enameled wire 421 of the stator winding 42, so that the reliability of the electrical connection between the wire end of the stator winding 42 and the puncture terminal 1 is improved; the problems that the wiring is not firm and reliable and is easy to break are solved, and the connection part is prevented from being loosened by tension; the enameled wire 421 of the stator winding 42 has a regular wiring rule, the operation is simple, and the end part of the stator winding 42 has an attractive appearance;
further, the first insulating framework 2 is an arc-shaped structure and includes a first radial wall a 21, a first inner side wall 22, a first radial wall B23 and a first outer side wall 24, and the first radial wall a 21, the first inner side wall 22, the first radial wall B23 and the first outer side wall 24 are sequentially connected in the radial direction of the first insulating framework 2; the wire fixing structures 25 comprise a plurality of wire fixing structures 25, and the plurality of wire fixing structures 25 are arranged on the first radial wall a 21 along the circumferential direction of the first insulating skeleton 2; in each wire fixing structure 25, the wire passing hole 254, the first terminal groove 251, the second terminal groove 252 and the winding post 255 are sequentially arranged from inside to outside along the radial direction of the first insulating skeleton 2; the wire through hole 254 is a strip-shaped hole extending along the axial direction of the first insulating skeleton 2, and along the radial direction of the first insulating skeleton 2, one end of the wire through hole 254 is closed, and the other end is open, so that the enameled wire 421 of the stator winding 42 is clamped in the wire through hole 254 to play roles in positioning and fixing;
aiming at the problems of unreliable fixation and disordered wiring of the power line 45, the implementation proposes that a first wiring groove 26 and a first wire outlet hole 241 are also formed at the top of the first insulating framework 2, and the second terminal groove 252 and the first wire outlet hole 241 are both communicated with the first wiring groove 26; the power lines 45 are all arranged in the first wiring groove 26, one end of each power line 45 is embedded in the corresponding clamping groove 121, and the other end of each power line 45 is led out through a first wire outlet hole 241; specifically, the first inner side wall 22, the first radial wall B23 and the first outer side wall 24 are enclosed to form a first wiring groove 26, and the first wiring groove 26 is of an arc-shaped structure; a first outlet hole 241 is formed on the outer sidewall and extends in the radial direction of the first insulating skeleton 2; the power line 45 is reliable in fixation and electrical connection, the power line 45 is regular in wiring, and the appearance is attractive; the problem of the wiring insecure, unreliable and easy breaking is solved, prevent that the junction from pulling the power pine and taking off, avoid power cord 45 to disperse and be mixed and disorderly.
Aiming at the problem that the thermal protector 44 is not fixed reliably, the embodiment provides that a thermal protector slot 271 and a second wiring slot 272 are also formed at the top of the first insulating framework 2; the thermal protector groove 271 is arranged opposite to the wire fixing structure 25 and is used for arranging the thermal protector 44; the second wiring groove 272 is provided near the stator winding 42 for providing an outlet of the thermal protector 44; specifically, the thermal protector groove 271 is disposed on the left side of the top of the first radial wall a 21, and the wire fixing structure 25 is disposed on the right side of the top of the first radial wall a 21; the thermal protector groove 271 extends in the circumferential direction of the first insulating bobbin 2 and is open toward the upper side of the first insulating bobbin 2; the second wiring groove 272 is arranged close to the wire fixing structure 25 and communicated with the thermal protector groove 271; the thermal protector groove 271 is of a hollow structure, so that the thermal protector 44 is in close contact with the stator winding 42, and the protection effect of the thermal protector 44 on the motor is ensured; the outgoing line of the thermal protector 44 is arranged in the second wiring groove 272, so that reliable electric connection is ensured;
further, a boss 281 and an escape groove 282 are formed at the bottom of the first insulating frame 2; the boss 281 is used for fixing the first insulating framework 2, the structure of the avoiding groove 282 is matched with the structure of the end part of the stator winding 42, and the avoiding groove is used for surrounding the end part of the stator winding 42 when the first insulating framework 2 is fixed; specifically, the first inner side wall 22, the first radial wall B23 and the first outer side wall 24 are enclosed to form a boss 281 corresponding to the first cabling channel 26, that is, when viewed from top to bottom, the first inner side wall 22, the first radial wall B23 and the first outer side wall 24 are enclosed to form the first cabling channel 26, and when viewed from bottom to top, the first inner side wall 22, the first radial wall B23 and the first outer side wall 24 are enclosed to form the boss 281; the first inner sidewall 22 and the first radial wall a 21 enclose an avoidance groove 282.
The left and right ends of the first radial wall a 21 are each formed with a locking groove 29 for connection of the first insulating bobbin 2 with other components.
It should be noted that the number of the terminals and the number of the wire fixing structures 25 are not limited, and a plurality of terminals and a plurality of wire fixing structures may be provided according to the number of the gears of the motor; in this case a four-gear motor, using six piercing terminals 1 and six wire fixing structures 25.
< second insulating skeleton >
As shown in fig. 3a, 3b and 3c, the wiring device further includes a second insulating frame 3, the structure of the second insulating frame 3 is matched with the structure of the first insulating frame 2, and the second insulating frame 3 is fastened on the first insulating frame 2 and can be used to fix the piercing terminal 1, the thermal protector 44 and the power line 45;
further, the second insulating frame 3 is formed with a terminal post 331 and a thermal protector post 332 which are oppositely arranged, and the outer side wall of the second insulating frame 3 is formed with a second outlet hole 321; when the second insulating frame 3 and the first insulating frame 2 are buckled, the terminal post 331 is matched with the first terminal groove 251 and fastens the puncturing part 11, the thermal protector post 332 is matched with the thermal protector groove 271 and presses the thermal protector 44, and the second wire outlet 321 is matched with the first wire outlet 241 and presses the power wire 45;
specifically, the second insulating skeleton 3 is an arc-shaped structure and includes a second radial wall 31 and a second outer side wall 32, a plurality of terminal posts 331 and a plurality of thermal protector posts 332 are formed at the bottom of the second radial wall 31, the number of the terminal posts 331 is the same as that of the first terminal grooves 251, the plurality of terminal posts 331 are sequentially arranged along the circumferential direction of the second insulating skeleton 3, and the terminal posts 331 are slightly smaller than the first terminal grooves 251; the second outer sidewall 32 is formed with a second outlet hole 321; thermal protector post 332 is slightly smaller than thermal protector groove 271;
as shown in fig. 4, locking buckles 34 are formed at the left end and the right end of the second radial wall 31, and when the second insulating framework 3 is buckled on the first insulating framework 2, the first insulating framework 2 and the second insulating framework 3 are connected by the matching of the locking buckles 34 and the locking grooves 29; meanwhile, the puncture terminal 1, the thermal protector 44 and the power line 45 are reliably fixed, the electric insulation effect is good, the working stability of the motor is improved, soldering tin, wrapping insulating adhesive paper, sleeve operation and related materials are omitted, the cost is reduced, and the efficiency is improved; an airtight power supply wire slot is formed between the first insulating framework 2 and the second insulating framework 3, and a power supply wire 45 can be fixed.
In conclusion, the wiring device is simple in overall structure and wide in application range, improves the production qualification rate of the motor, enlarges the limit slot fullness rate of the stator and provides larger motor performance design allowance; the problems of complex wiring process and unreliable connection of the stator 4 of the multi-gear single-phase asynchronous motor are solved; can set up a plurality of solidus structures 25 according to the gear quantity that realizes the use needs, applicable in the model of difference, the commonality is high.
< stator >
As shown in fig. 5a, 5b, 6a, 6b and 7, the present embodiment further provides a stator 4, which includes a stator core 41, a stator winding 42, a casing 43, a thermal protector 44, an outlet nozzle 46 and a wiring device of the stator 4 according to any one of the above embodiments; the stator winding 42 is wound on the stator core 41, the housing 43 surrounds the outside of the stator core 41, a third outlet hole 431 is formed on the side wall of the housing 43, and a groove 411 is formed between the stator winding 42 and the housing 43; specifically, the stator core 41 includes a plurality of stator cores 41, the plurality of stator cores 41 are surrounded into a cylindrical shape, and the housing 43 is surrounded into a cylindrical shape; the third outlet hole 431 is of a U-shaped structure, one end of the third outlet hole 431 is closed and the other end is open along the axial direction of the housing 43, and is used for fixing the first insulating framework 2 and the second insulating framework 3, the outlet rubber nozzle 46 is arranged at the third outlet hole 431, and the outlet rubber nozzle 46 is provided with a power line 45 in a penetrating manner, so that the power line 45 is protected;
the first insulating frame 2 is provided with a first fixing groove 242 at the first wire outlet 241, and the second insulating frame 3 is provided with a second fixing groove 322 at the second wire outlet 321;
when the first insulating framework 2 is installed, the boss 281 of the first insulating framework 2 is embedded in the groove 411, the avoiding groove 282 of the first insulating framework 2 is arranged around the end part of the stator winding 42, the first fixing groove 242 is arranged on the hole wall of the third outlet hole 431, and then the first insulating framework 2 is fixed; the thermal protector 44 is arranged in the thermal protector groove 271, so that the thermal protector 44 is tightly attached to the stator winding 42 to ensure the overheating protection effect on the motor;
when the second insulating framework 3 is installed, the second insulating framework 3 is buckled on the first insulating framework 2, the terminal column 331 corresponds to the first terminal groove 251, the thermal protector column 332 corresponds to the thermal protector groove 271, the second fixing groove 322 is arranged on the wall of the third wire outlet 431, and then the second insulating framework 3 is fixed; the wiring device can be stably arranged at the end part of the stator winding 42 without damaging the stator winding 42, and the quality and the installation reliability of the motor are improved; the first insulating framework 2 and the second insulating framework 3 can ensure that the stator winding 42 has a safe electrical distance with the machine shell 43 and other parts of the motor;
the invention has the advantages that: the wire end of the stator winding 42 is connected with the power wire 45 through the puncture terminal 1, operations such as tin soldering, insulating sleeve mounting, adhesive tape wrapping and the like are not needed, the production steps are simplified, the operation difficulty of workers is greatly reduced, and the production rate of defective products is reduced; the first insulating framework 2 and the second insulating framework 3 are both designed by insulating materials, the wire fixing structure 25 is independently arranged and cannot be contacted, and no insulating gummed paper is required to be additionally installed, so that the safe electrical distance can be ensured, and the generation of poor turn-to-turn short circuit is avoided; compared with the existing wiring mode, the requirement of larger drawing force can be met, and the quality and the durability of the motor are improved; the wiring slots of the power line 45 and the wiring holes 254 of the enameled wires 421 are arranged, so that the whole wiring is attractive, and the extra wire arrangement and shaping operation on the stator 4 is not needed; the types of production materials are reduced, the generalization degree of the materials is improved, and the material distribution and distinguishing difficulty in actual production is reduced.
< method of connecting wires >
As shown in fig. 8, this embodiment further provides a wiring method for the stator, where the wiring method includes:
s1, electrically connecting one end of the power line 45 to the corresponding electrical connection portion 12;
s2, disposing piercing terminal 1 at one end of stator winding 42;
s3, the terminals of the stator windings 42 are electrically connected to the corresponding piercing portions 11.
Further, the wiring method further comprises the following steps:
two outgoing lines of the thermal protector 44 are electrically connected with the corresponding wire head of the stator winding 42 and the power wire 45 respectively, and the thermal protector 44 is arranged in the thermal protector groove 271;
arranging a plurality of power wires 45 in the first wiring groove 26, and leading out the other ends of the plurality of power wires 45 from the first wire outlet hole 241;
buckling the second insulating framework 3 on the first insulating framework 2;
specifically, the wiring method of the stator 4 is as follows:
firstly, the first fixing groove 242 of the first insulating framework 2 is inserted into the third outlet hole 431 of the housing 43 in alignment with the boss 281 of the first insulating framework 2, and the avoiding groove 282 of the first insulating framework 2 is surrounded on the coil of the stator winding 42, so that the fixing of the first insulating framework 2 is completed;
in this case, the motor is a four-gear single-phase asynchronous motor, the wire ends of the enameled wires 421 of the stator winding 42 are respectively connected with the power wire 45 and the leads of the thermal protector 44, and the connection scheme is determined according to the gear matching condition;
secondly, arranging the wire ends of the stator winding 42 in advance at the wire passing hole 254 of the first insulating framework 2 to wait for the next installation;
thirdly, taking out the six puncture terminals 1, peeling off the wire cores of the power wires 45, punching the wire cores of the power wires 45 into the clamping grooves 121 of the corresponding puncture terminals 1 by using a special terminal machine, arranging the puncture parts 11 of the puncture terminals 1 in the corresponding first terminal grooves 251 and arranging the electric connection parts 12 of the puncture terminals 1 in the corresponding second terminal grooves 252, and ensuring that the first limit structures and the second limit structures are completely matched, so as to finish the fixed installation of the puncture terminals 1;
fourthly, the wire end of the stator winding 42 passes through the puncture groove 111 of the corresponding puncture terminal 1 according to the operation mode from top to bottom to ensure that the enamel coating of the enameled wire 421 of the stator winding 42 is completely punctured and conducted, and then the rest wire end is wound on the corresponding winding post 255, wherein the reserved length of the enameled wire 421 is enough to wind more than three turns of the winding post 255 to ensure stability, so that the conduction operation of the wire end of the stator winding 42 and the power line 45 is completed;
fifthly, two outgoing lines of the motor thermal protector 44 are respectively connected with the corresponding wire ends of the stator winding 42 and the corresponding motor power line 45 and then are placed in the thermal protector groove 271 of the first insulating framework 2, and due to the hollow design of the thermal protector groove 271, the temperature sensing surface of the thermal protector 44 can be tightly attached to a coil of the stator winding 42, so that the motor thermal protection effect is guaranteed;
sixthly, arranging the power line 45 to lead the power line to be orderly routed from the first wiring groove 26 of the first insulating framework 2, installing a wire outlet nozzle 46 at a third wire outlet hole 431 of the shell 43, and leading the arranged power line 45 out of the wire outlet nozzle 46;
seventhly, matching the two locking buckles 34 of the second insulating framework 3 with the two locking grooves 29 of the first insulating framework 2 to complete buckling of the first insulating framework 2 and the second insulating framework 3;
eighth, upper end cover 47 and the lower extreme cover of installation motor are fastened fixedly with upper end cover 47 and lower extreme cover through the screw, rely on the boss of upper end cover 47 to compress tightly second insulation skeleton 3, ensure that first insulation skeleton 2 and second insulation skeleton 3 stabilize in the motor and can not remove, accomplish whole stator 4's wiring operation so far.
The embodiment also provides a motor, which comprises the stator or adopts the wiring method of the stator.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (16)
1. A wiring device of a stator, the stator comprises a stator winding, and the wiring device is characterized by comprising a puncture terminal, wherein the puncture terminal comprises a puncture part and an electric connection part; the puncture part can be electrically connected with the wire head of the stator winding, the electric connection part can be electrically connected with the power line, and further the wire head of the stator winding can be electrically connected with the power line.
2. The wiring connection of a stator according to claim 1, wherein the piercing portion is formed with a piercing groove, and a side wall of the piercing groove is formed with piercing teeth; when the wire end of the stator winding is embedded in the puncture groove, the puncture tooth punctures the paint skin of the stator winding, and the puncture part is electrically connected with the wire end of the stator winding;
the electric connection part is provided with a clamping groove, and when the power line is embedded in the clamping groove, the electric connection part is electrically connected with the power line.
3. The wiring device of the stator according to claim 2, further comprising a first insulating bobbin, one end of which is formed with a wire fixing structure, the wire fixing structure including a first terminal groove and/or a second terminal groove; the puncture part is embedded in the first terminal groove and/or the electric connection part is embedded in the second terminal groove.
4. The wiring lug of a stator according to claim 3, wherein the piercing terminal is formed with a first stopper structure between the piercing portion and the electrical connection portion; the wire fixing structure also comprises a second limiting structure formed in the first terminal groove;
when the puncture part is embedded in the first terminal groove, the first limiting structure is matched with the second limiting structure, so that the puncture terminal is fixed on the first insulating framework.
5. The wiring device of the stator according to claim 3, wherein the wire fixing structure further comprises a wire passing hole and a wire wrapping post, the wire passing hole, the first terminal groove, the second terminal groove and the wire wrapping post are arranged in a one-to-one correspondence manner, the wire passing hole is used for leading out a wire end of the stator winding, and the wire wrapping post is used for winding a part of the wire end of the stator winding.
6. The wiring device of the stator according to claim 5, wherein the first insulating frame is an arc-shaped structure, the plurality of wire fixing structures are arranged along a circumferential direction of the first insulating frame; in each wire fixing structure, the wire passing hole, the first terminal groove, the second terminal groove and the winding post are sequentially arranged along the radial direction of the first insulating framework.
7. The wiring device of the stator according to claim 6, wherein the first insulating framework is further formed with a first wiring groove and a first wire outlet hole at one end close to the wire fixing structure, and the second terminal groove and the first wire outlet hole are both communicated with the first wiring groove;
many the power cord all sets up in the first trough, and every the one end of power cord is inlayed and is established in the corresponding draw-in groove, every the other end of power cord by first wire hole draws forth.
8. The wiring device of a stator according to claim 7, wherein the first outlet hole is formed on an outer side wall of the first insulating bobbin; the first wiring groove is arranged between the outer side wall of the first insulating framework and the second terminal groove in an enclosing mode.
9. The wiring device of a stator according to claim 7, wherein the first insulating frame is further formed with a thermal protector groove and a second wiring groove at an end near the wire fixing structure; the thermal protector groove is arranged opposite to the wire fixing structure and used for arranging a thermal protector; the second wiring groove is close to the stator winding and used for arranging the outgoing line of the thermal protector.
10. The wiring device of the stator according to claim 9, further comprising a second insulating frame, wherein the structure of the second insulating frame is adapted to the structure of the first insulating frame, and the second insulating frame is fastened to the first insulating frame and can be used for fixing the piercing terminal, the thermal protector and the power line.
11. The wiring device of the stator according to claim 10, wherein the second insulating frame is formed with a terminal post and a thermal protector post which are oppositely arranged, and an outer side wall of the second insulating frame is formed with a second outlet hole;
when the second insulating framework is buckled on the first insulating framework, the terminal post is matched with the first terminal groove and fastened with the puncture part, the thermal protector post is matched with the thermal protector groove and pressed on the thermal protector, and the second wire outlet hole is matched with the first wire outlet hole and pressed on the power line.
12. The wiring device of a stator according to claim 3, wherein the first insulating frame is formed with a boss and an escape groove at an end away from the wire fixing structure; the boss is used for the fixing of first insulation skeleton, dodge the structure of groove with the structure looks adaptation of stator winding's tip is used for fixing enclose during the first insulation skeleton and establish stator winding's tip.
13. A stator comprising a stator core, a stator winding, a casing, a thermal protector, and a wiring device of the stator of any one of claims 1-12; the stator winding is wound on the stator core, the shell is arranged around the outer side of the stator core, a third wire outlet hole is formed in the side wall of the shell, and a groove is formed between the stator winding and the shell; a first fixing groove is formed at the first wire outlet hole of the first insulating framework;
the boss of the first insulating framework is embedded in the groove, the avoiding groove of the first insulating framework is arranged at the end part of the stator winding in a surrounding manner, the first fixing groove is arranged on the hole wall of the third wire outlet hole, and then the first insulating framework is fixed; the thermal protector is disposed within the thermal protector pocket.
14. A wiring method of a stator according to claim 13, characterized in that the wiring method comprises:
electrically connecting one end of a power line with the corresponding electrical connection part;
disposing the pierce terminal at one end of the stator winding;
and electrically connecting the wire ends of the stator windings with the corresponding puncture parts.
15. The wiring method of a stator according to claim 14, further comprising:
two outgoing lines of the thermal protector are respectively and electrically connected with a wire head and a power wire of the corresponding stator winding, and the thermal protector is arranged in the thermal protector groove;
arranging a plurality of power lines in the first wiring groove, and leading the other ends of the power lines out of the first wire outlet hole;
and buckling a second insulating framework on the first insulating framework.
16. An electrical machine comprising a stator as claimed in claim 13 or a wiring method using a stator as claimed in any one of claims 14 to 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210562440.0A CN115021455A (en) | 2022-05-23 | 2022-05-23 | Wiring device of stator, wiring method and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210562440.0A CN115021455A (en) | 2022-05-23 | 2022-05-23 | Wiring device of stator, wiring method and motor |
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| Publication Number | Publication Date |
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| CN115021455A true CN115021455A (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210562440.0A Pending CN115021455A (en) | 2022-05-23 | 2022-05-23 | Wiring device of stator, wiring method and motor |
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| Country | Link |
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| CN (1) | CN115021455A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116372478A (en) * | 2023-04-11 | 2023-07-04 | 巨力自动化设备（浙江）有限公司 | Motor line group reason line welding frock |
| CN116404797A (en) * | 2023-06-08 | 2023-07-07 | 深圳市越洋达科技有限公司 | New energy motor lead-out wire line passing device |
| CN117578814A (en) * | 2023-11-24 | 2024-02-20 | 浙江环方汽车电器有限公司 | Easily-welded outer rotor rotary transformer and processing method and processing device thereof |
-
2022
- 2022-05-23 CN CN202210562440.0A patent/CN115021455A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116372478A (en) * | 2023-04-11 | 2023-07-04 | 巨力自动化设备（浙江）有限公司 | Motor line group reason line welding frock |
| CN116372478B (en) * | 2023-04-11 | 2023-10-03 | 巨力自动化设备（浙江）有限公司 | Motor line group reason line welding frock |
| CN116404797A (en) * | 2023-06-08 | 2023-07-07 | 深圳市越洋达科技有限公司 | New energy motor lead-out wire line passing device |
| CN116404797B (en) * | 2023-06-08 | 2023-08-08 | 深圳市越洋达科技有限公司 | New energy motor lead-out wire line passing device |
| CN117578814A (en) * | 2023-11-24 | 2024-02-20 | 浙江环方汽车电器有限公司 | Easily-welded outer rotor rotary transformer and processing method and processing device thereof |
| CN117578814B (en) * | 2023-11-24 | 2024-04-16 | 浙江环方汽车电器有限公司 | Easily-welded outer rotor rotary transformer and processing method and processing device thereof |
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