CN203071688U - Motor stator lead connection structure - Google Patents
Motor stator lead connection structure Download PDFInfo
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- CN203071688U CN203071688U CN 201220631301 CN201220631301U CN203071688U CN 203071688 U CN203071688 U CN 203071688U CN 201220631301 CN201220631301 CN 201220631301 CN 201220631301 U CN201220631301 U CN 201220631301U CN 203071688 U CN203071688 U CN 203071688U
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- motor stator
- conducting ring
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Abstract
The utility model discloses a motor stator lead connection structure which comprises a stator core unit and a coil, wherein the rear part of the stator core unit is provided with a coil slot, the coil slot is sequentially sleeved and wrapped by an insulating connection body and an insulating sleeve from front to back, the coil is wound on the insulating sleeve, the top of the insulating connection body is provided with a plurality of connection grooves, and a conducting ring for fixing the outlet terminal of a lead is arranged in each connection groove. According to the utility model, the coil is wound in the insulating sleeve so that traditional insulating paper and slot wedges are omitted and a motor can keep favorable insulating property when running under complex working conditions for a long time; and as the multiple conducting rings which are separated from each other are arranged through the insulating connection body, and head and tail leads of the coil of the motor are fixedly connected onto the conducting rings, the purpose of reducing the length of the end part of a motor winding is achieved and more space is left for the design of the whole motor. The motor stator lead connection structure is beneficial to enhancing the stability of motor parts, is simple and compact in structure and has favorable manufacturability.
Description
Technical field
The utility model relates to motor component, refers to a kind of motor stator lead link structure particularly.
Background technology
Hybrid vehicle, refer to that mainly increasing by one on traditional combustion engine automobile basis overlaps the accessory power system of being made up of motor and power accumulator, this accessory power system can make engine often be operated in the high efficiency Low Emission Zone, has improved energy conversion efficiency, has reduced discharging; Energy during with braking, descending is recovered to recycling in the storage battery, has reduced fuel consume; In the parking restart procedure, can close down engine, be worked independently by motor, drive and restart engine when vehicle start reaches certain speed.Therefore hybrid vehicle has very development and application prospect widely.
At present, the motor stator lead-in wire connected mode of hybrid vehicle is based on the conventional motors connected mode, that is: at stator slot interpolation insulating paper, embed stator coil then in groove, slot wedge seals, the enamelled wire that stator coil end is reserved removes coat of paint, welding, the shaping of complete machine stator end, colligation.Traditional mode of connection is easy to generate in the notch, groove, end, alternate withstand voltage puncture, influences insulation property; In addition, the tip lengths after shaping, the colligation is longer, makes motor volume excessive, is unfavorable for the car load layout.Motor performance will directly have influence on the performance of vehicle performance, therefore, in the hybrid vehicle exploitation, require motor to keep good insulation performance, the stability of each parts etc. under long-time complex working condition operation; While owing to influenced by each boundary dimensions, requires motor volume less in the car load layout, and the motor tip lengths has been proposed higher requirement.
Summary of the invention
The purpose of this utility model is to provide a kind of motor stator lead link structure at the problems referred to above, and this syndeton can effectively reduce the length of electric motor winding end when improving the electrical machine insulation performance.
For achieving the above object, the technical solution adopted in the utility model is: a kind of motor stator lead link structure, comprise stator core unit and coil, the rear portion of described stator core unit is provided with the coil groove, on the described coil groove from front to back successively suit be enclosed with insulation connector and insulating case, described coil windings is on described insulating case, and the top of described insulation connector has a plurality of link slots, is provided with the conducting ring of anchor leg leading-out terminal in the described link slot.
The utility model with coil windings in insulating case, this insulating case is wrapped in the periphery of coil groove, traditional insulating paper and slot wedge have been saved, and make motor under long-time complex working condition operation, can keep the good insulation performance performance, remove the possibility that causes the motor internal abnormal sound because of the insulating paper improper use, avoided slot wedge to turn over groove; The utility model arranges a plurality of spaced-apart conducting rings by the insulation connector, motor coil initial and end lead-in wire is fixedly connected on the conducting ring, thereby changed traditional motor stator lead-in wire connected mode, reached the purpose that reduces electric motor winding end length, guaranteed that motor can satisfy the requirement of each boundary dimensions in the car load layout when well moving, also stay more spaces for the design of complete machine; The utility model is conducive to improve the stability of motor component, and simple and compact for structure, good manufacturability.
Further, have opening on the rear end face of described insulation connector, be provided with boss with described opening relative position on the described conducting ring, the opening that described lead-in wire leading-out terminal passes described insulation connector is welded on the boss of described conducting ring.The coil that described opening is used for will going between from insulation connector rear end face rear side is drawn; Boss provides the welding fixing point for lead-in wire.
Again further, described insulation connector is stuck between the anterior rear end face of the front end face of described insulating case and described stator core unit, and the bottom of described insulation connector is provided with a plurality of reinforcements.The insulation connector clamping that is embedded with conducting ring is sleeved on the anterior periphery of stator core unit; The reinforcement of its bottom be used for to improve the intensity of insulation connector rear end face, thus fixed coil better.
Further, described conducting ring is provided with toward the outstanding tab in the conducting ring outside.This tab is used for the welding of external power supply device lead-in wire and fixes.
Preferably, described link slot is the deep-slotted chip breaker of both ends open.When stator core was segmented, the arc link slot of a plurality of insulation connectors was linked to be an annular integral channel, thereby matched with the shape of conducting ring.
Preferably, have " U " connected in star on the described boss, described lead-in wire leading-out terminal is welded in the described groove.Coil initial and end lead-in wire leading-out terminal is weldingly fixed on respectively in " U " connected in star of boss.
Preferably, the top of described insulation connector is provided with three link slots, and conducting ring is fixedly arranged respectively in the described link slot.Three conducting ring correspondences are finished the connection of three phase electric machine lead-in wire.
Further preferably, described conducting ring is copper split ring.Copper conducting ring has excellent conducting performance; Conducting ring is designed to opening form, can suitably adjust its shape during installation, is convenient to install; The copper ring sectional dimension is determined according to the motor maximum current, is guaranteed reliable conductivity in service.
Still more preferably, described insulating case is the long tubular of hollow, is provided with the coil baffle plate at the rear end face of described insulating case.The long tube of the whole hollow of an insulating case part suit is wrapped in stator core unit periphery, coil windings thereon, the coil baffle plate then is used for coil is carried out spacing, makes that the coil behind the winding is spacing in the rear end face and the groove between the coil baffle plate of insulation connector.
Description of drawings
Fig. 1 is the structural representation of segmented stator core unit.
Fig. 2 is the segmented stator core cellular construction schematic diagram after wrapping up with the motor stator lead link structure.
Fig. 3 is the reverse side structural representation of Fig. 2.
Fig. 4 concerns schematic diagram for the segmented stator core unit that surrounded by a plurality of structures shown in Figure 2 and the installation between the conducting ring.
Fig. 5 is the polycrystalline substance schematic diagram of Fig. 4 after installing.
Fig. 6 is the structural representation of conducting ring among Fig. 4.
Fig. 7 is the local structure for amplifying schematic diagram of motor stator lead link structure.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, is convenient to more clearly understand the utility model, but they do not constitute restriction to the utility model.
Permanent magnet motor stator generally is divided into unitary stator iron core and segmented stator core, the segmented stator core is fixed into an annular whole (as Fig. 1) by 1 assembly unit of a plurality of stator cores unit, because segmented stator core coil can mechanical coiling efficient height, existing stator lead syndeton with the segmented stator core is example.
As Fig. 2, shown in Figure 3, the motor stator lead link structure comprises stator core unit 1, the rear portion of stator core unit 1 is provided with coil groove 2, the periphery of coil groove 2 from front to back successively suit be enclosed with insulation connector 4 and insulating case 3, insulating case 3 is the long tubular of hollow, is provided with coil baffle plate 7 at the rear end face of insulating case 3, need not insulating paper, coil can directly evenly be wound on the insulating case 3 of coil baffle plate 7 front ends; Insulation connector 4 is the ring flat-plate shape and is sleeved on the stator core unit 1, and be stuck between the anterior rear end face of the front end face of described insulating case 3 and described stator core unit 1, thereafter end face 8 front sides are pressed close to 1 place, stator core unit and are provided with three arc link slots 401, the both ends open of link slot 401, the bottom of insulation connector 4 is provided with a plurality of reinforcements 402, to improve the intensity of rear end face 8, fixed coil better, therefore, coil is limited in insulating between the coil baffle plate 7 of the rear end face 8 of connector 4 and insulating case 3.Earlier edge connector 4 and insulating case 3 are sleeved on the stator core unit 1 successively, then with coil windings on insulating case 3, after the coil winding for the treatment of the stator core unit 1 of some is finished, its assembly unit is fixed into the segmented stator core integral body of a domain shape, this moment, the arc link slot 401 at each 1 top, stator core unit was linked to be three cannelures, three conducting rings 5 that are used for connecting lead-in wire that fixedly have mutually insulated to separate in the link slot of annular, this conducting ring 5 is designed to copper split ring (as Fig. 4, Fig. 5), have two openings 6 of being convenient to go between and passing through on the rear end face 8 of described insulation connector 4, be provided with boss 501 with described opening 6 relative position places on the described conducting ring 5, have " U " connected in star 503 on the boss 501, the head of every group of coil, the leading-out terminal of tail lead-in wire passes opening 6 and is welded in " U " connected in star 503, described conducting ring 5 is provided with the tab 502 outstanding toward conducting ring 5 outsides, is used for the welding of external power supply device lead-in wire.Wherein, the installation requirement of conducting ring 5 guarantees that tab 502 directions on the three-phase conducting ring 5 are tending towards motor outlet box position, are convenient to the installation of motor external power supply device; In addition, insulating material carries out corresponding selection by designing requirement, should have characteristics such as high rigidity, high creep resistance, high temperature resistant, fire-retardant, resistance to chemical attack, arc resistance, excellent electrical insulating property, excellent mechanical property.
Fig. 6 is the structure of a certain conducting ring 5 in the three-phase, and it is provided with tab 502, is used for the welding of external power supply device lead-in wire; And be provided with enamelled wire welding boss 501 according to coil connection in series-parallel leading-out terminal, be used for the welding of each coil initial and end lead-in wire, " U " connected in star 503 of offering on the boss 501, its size is selected the winding wire diameter design for use according to motor, enamelled wire is put into groove 503, is convenient to fix, weld.Conducting ring 5 can suitably be adjusted its shape for opening designs during installation, is convenient to install.Conducting ring 5 sectional dimensions are determined according to the motor maximum current, are guaranteed reliable conductivity in service.
Fig. 7 is partial enlarged view after conducting ring 5 installations, the utility model is at three phase electric machine, only need three conducting rings 5 to finish the connection of motor down-lead, avoid the connection of motor asterism simultaneously, after 5 installations of three-phase conducting ring, separate by the link slot 401 on the insulation connector 4 each other, guaranteed insulation to each other.Opening 6 cards that the enamelled wire of each end winding passes on insulation connector 4 rear end faces 8 are placed in " U " connected in star 503 that is welded on boss 501, connection between coil is finished by conducting ring 5, the size of conducting ring 5 should satisfy the requirement of motor maximum current, simultaneously three alternately should guarantee reliable creepage distance, dipping lacquer cured after three-phase welded respectively and finishes.And connect by lead wire between the conventional motors coil, whole motor end needs shaping, wrapping back dipping lacquer to cure, and therefore, the use of conducting ring 5 has reduced electric motor winding end length greatly.
Coil of the present utility model directly evenly is wound in the insulating case, save steps such as insulating paper, slot wedge installation in technology, need not slot wedge to seal, directly carried out the dipping lacquer baking process, can guarantee that still it has the higher class of insulation, has improved motor coil coiling efficient; Avoided in the notch, groove simultaneously, phenomenons such as end, alternate withstand voltage puncture, improved electrical machine insulation intensity, make motor performance more reliable and more stable.
Claims (9)
1. motor stator lead link structure, comprise stator core unit (1) and coil, the rear portion of described stator core unit (1) is provided with coil groove (2), it is characterized in that: on the described coil groove (2) from front to back successively suit be enclosed with insulation connector (4) and insulating case (3), described coil windings is on described insulating case (3), the top of described insulation connector (4) has a plurality of link slots (401), is provided with the conducting ring (5) of anchor leg leading-out terminal in the described link slot (401).
2. motor stator lead link structure according to claim 1, it is characterized in that: have opening (6) on the rear end face of described insulation connector (4), described conducting ring (5) is gone up with described opening (6) relative position and is provided with boss (501), and the opening (6) that described lead-in wire leading-out terminal passes described insulation connector (4) is welded on the boss (501) of described conducting ring (5).
3. motor stator lead link structure according to claim 1 and 2, it is characterized in that: described insulation connector (4) is stuck between the anterior rear end face of the front end face of described insulating case (3) and described stator core unit (1), and the bottom of described insulation connector (4) is provided with a plurality of reinforcements (402).
4. motor stator lead link structure according to claim 1 and 2 is characterized in that: described conducting ring (5) is provided with toward the outstanding tab (502) in conducting ring (5) outside.
5. motor stator lead link structure according to claim 1, it is characterized in that: described link slot (401) is the deep-slotted chip breaker of both ends open.
6. motor stator lead link structure according to claim 2, it is characterized in that: have " U " connected in star (503) on the described boss (501), described lead-in wire leading-out terminal is welded in the described groove (503).
7. motor stator lead link structure according to claim 1 and 2, it is characterized in that: the top of described insulation connector (4) is provided with three link slots (401), and conducting ring (5) is fixedly arranged respectively in the described link slot (401).
8. motor stator lead link structure according to claim 7, it is characterized in that: described conducting ring (5) is copper split ring.
9. motor stator lead link structure according to claim 1, it is characterized in that: described insulating case (3) is the long tubular of hollow, is provided with coil baffle plate (7) at the rear end face of described insulating case (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220631301 CN203071688U (en) | 2012-11-26 | 2012-11-26 | Motor stator lead connection structure |
Applications Claiming Priority (1)
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CN 201220631301 CN203071688U (en) | 2012-11-26 | 2012-11-26 | Motor stator lead connection structure |
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CN203071688U true CN203071688U (en) | 2013-07-17 |
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CN 201220631301 Expired - Lifetime CN203071688U (en) | 2012-11-26 | 2012-11-26 | Motor stator lead connection structure |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102931750A (en) * | 2012-11-26 | 2013-02-13 | 东风汽车公司 | Motor stator lead connection structure |
CN109327097A (en) * | 2018-11-02 | 2019-02-12 | 宁波安信数控技术有限公司 | A kind of centralization winding electric machine stator |
CN113241864A (en) * | 2021-05-25 | 2021-08-10 | 大福泵业有限公司 | Stator structure for efficient canned motor pump and canned motor pump |
CN113315290A (en) * | 2021-07-05 | 2021-08-27 | 珠海格力电器股份有限公司 | Motor stator insulation framework assembly, motor stator, motor and air conditioner |
-
2012
- 2012-11-26 CN CN 201220631301 patent/CN203071688U/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102931750A (en) * | 2012-11-26 | 2013-02-13 | 东风汽车公司 | Motor stator lead connection structure |
CN102931750B (en) * | 2012-11-26 | 2015-01-21 | 东风汽车公司 | Motor stator lead connection structure |
CN109327097A (en) * | 2018-11-02 | 2019-02-12 | 宁波安信数控技术有限公司 | A kind of centralization winding electric machine stator |
CN113241864A (en) * | 2021-05-25 | 2021-08-10 | 大福泵业有限公司 | Stator structure for efficient canned motor pump and canned motor pump |
CN113315290A (en) * | 2021-07-05 | 2021-08-27 | 珠海格力电器股份有限公司 | Motor stator insulation framework assembly, motor stator, motor and air conditioner |
CN113315290B (en) * | 2021-07-05 | 2022-09-09 | 珠海格力电器股份有限公司 | Motor stator insulation framework assembly, motor stator, motor and air conditioner |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20130717 |
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CX01 | Expiry of patent term |