CN103545970A - Insulating motor cover - Google Patents
Insulating motor cover Download PDFInfo
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- CN103545970A CN103545970A CN201310536894.1A CN201310536894A CN103545970A CN 103545970 A CN103545970 A CN 103545970A CN 201310536894 A CN201310536894 A CN 201310536894A CN 103545970 A CN103545970 A CN 103545970A
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- electrical machine
- machine insulation
- insulating
- side wall
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Abstract
The invention relates to an insulating motor cover. The insulating motor cover comprises an outer side wall, a connecting piece and an inner side wall, wherein the outer side wall, the connecting piece and the inner side wall are sequentially connected. The outer side wall is provided with a groove for a winding coil to pass through. The connecting piece is a bottom plate, and the bottom plate is provided with an insulating ring and an elastic boss, wherein the insulating ring is matched with a stator iron core groove, and the elastic boss is used for fixing the insulating motor cover to a stator iron core and distinguishing different installing directions. The outer side wall is provided with a neutral line short-circuit terminal groove and a three-phase line leading-out terminal groove which are used for connecting a Y-type winding and is also provided with a boss used for isolating different-phase jumper wires and leading-out lines. The inner side wall is provided with a reinforcing rib used for reinforcing the strength of the structure of the inner side wall. The bottom plate is provided with a table top used for fixing part of insulation in the grooves. The insulating motor cover can divide motor insulation into insulation inside the grooves and end portion insulation, improve the spacer factor and motor performance, be retrofitted without changing dies and reduce production cost.
Description
Technical field
The present invention relates to technical field of motors, be specifically related to a kind of electrical machine insulation lid.
Background technology
Motor is a kind of electric rotary machine, can be mechanical energy by electric energy conversion.Motor is mainly comprised of stator and rotor, and the iron core that stator and rotor form by the silicon steel plate stacking with definite shape size forms.On stator core, have several grooves, the iron core between groove and groove is called tooth, the coil that all has enamelled wire to be coiled on each tooth.In order to carry out electrical safety insulation between charged coil and uncharged stator core, need between coil and stator core, use insulating material.At present, common electrical machine insulation be all insulating material is injected into stator core together with, be to guarantee the mobility of dielectric strength and injection moulding, insulation thickness is generally not less than 1mm.This has not only taken the space of winding in stator slot, has reduced copper factor and motor performance, has also increased manufacturing cost.Moreover, when needs are retrofited to motor, such as power of motor increases minimizing, folded high increase of motor reduces, this insulation form all needs to change mould, and cost is high, the change cycle is long.
Summary of the invention
The object of the present invention is to provide a kind of electrical machine insulation lid, this electrical machine insulation lid can make electrical machine insulation be divided into insulation and overhang insulation two parts in groove, not only improve copper factor and the motor performance of motor stator, also without changing, just can realize remodeling, greatly reduced production cost.
For achieving the above object, the present invention has adopted following technical scheme: a kind of electrical machine insulation lid, comprise insulating lid body, and described insulating lid body is ring-type, described insulating lid body comprises lateral wall, madial wall and connector, and described lateral wall is connected by connector with described madial wall; Described lateral wall is provided with the groove of crossing line for winding coil.
Described lateral wall is provided with neutral line short-circuiting terminal slot part and the triple line leading-out terminal slot part connecting for Y type winding.
The side of described lateral wall is provided with for isolating the not boss of homophase jumper and lead-out wire.
Described connector is base plate, and described base plate is provided with for electrical machine insulation lid is fixed to the elasticity boss on stator core.Described base plate is provided with the dead ring that coordinates stator core grooved, and described dead ring stretches into stator core, for avoiding coil corner and stator core acute angle place to occur electric puncturing.
The described elasticity boss for electrical machine insulation lid is fixed on stator core is uniformly distributed along insulating lid body inner circle.
Described equates for electrical machine insulation lid being fixed to quantity and the stator number of teeth of the elasticity boss on stator core.
Described base plate is provided with some table tops for SI semi-insulation in holddown groove.The intersection that insulate in base plate and groove is provided with table top, at each of notch two side position, one of bottom land.Described table top is used for blocking SI semi-insulation in groove, avoids its vibration.
Described base plate is provided with for distinguishing the elasticity boss of insulating lid installation direction.
On described madial wall, be installed with for strengthening the reinforcement of inner sidewall structure intensity.
The described groove of crossing line for winding coil is U-shaped groove.
Advantage of the present invention:
(1) electrical machine insulation lid of the present invention, is divided into insulation and overhang insulation two parts in groove by electrical machine insulation.By using electrical machine insulation to cover, in mating groove, SI semi-insulation is used, and can reduce the thickness of part insulating material in groove, reduces winding the taking of space in stator slot, thereby has improved copper factor and motor performance.Moreover, when needs are retrofited to motor, such as the folded high variation of the variation of power of motor, motor, adopt the insulation mode that in this groove, insulating paper matches with overhang insulation lid, without the change of carrying out injection model, can realize, thereby reduce cost, shortened the change cycle.
(2) the present invention, by being provided for that on base plate electrical machine insulation lid is fixed to the elasticity boss on stator core, can effectively be fixed to electrical machine insulation lid on stator core.By offer the U-shaped groove of different depth on lateral wall, cross line, improved wire winding, improved electromagnetic performance and the security performance of motor.
(3) the present invention is by being provided with neutral line short-circuiting terminal slot part and triple line leading-out terminal slot part in lateral wall both sides, by the automatic Punched terminal of fracture band not, at neutral line short-circuiting terminal slot part, the neutral line is fixed and short circuit, and the automatic Punched terminal of three material strips that broke fixing winding leads on triple line leading-out terminal slot part, and connect external power cord by automatic Punched terminal.Coil, in winding process, by the effect of madial wall inclination reinforcement, is avoided in coiling process, and madial wall is radially to internal strain, and jumper, lead-out wire are while crossing line, by the outside cuboid boss of lateral wall, effectively isolate.
The present invention is arranged on the two ends of stator core by dead ring and elasticity boss, utilize SI semi-insulation in the table top holddown groove on base plate simultaneously, thereby makes the interior SI semi-insulation of electrical machine insulation lid and groove jointly form the seal of motor stator.This motor stator insulated device and the motor stator insulated of Integral injection molding are compared, and have reduced the taking of space in stator core slot, and have improved the insulation property of copper factor and the motor stator of stator.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that A-A of the present invention is to view;
Fig. 3 is the structural representation of elasticity boss of the present invention.
Wherein:
1, madial wall, 2, base plate, 3, lateral wall, 4, neutral line short-circuiting terminal slot part, 5, the automatic Punched terminal of fracture band not, 6, Punched terminal automatically, 7, triple line leading-out terminal slot part, 8, for isolating the not boss of homophase jumper and lead-out wire, 9, reinforcement, 10, dead ring, 11, for electrical machine insulation lid is fixed to the elasticity boss on stator core, 12, U-shaped groove, 13, table top, 14, for distinguishing the elasticity boss of insulating lid installation direction.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described:
A kind of electrical machine insulation lid as shown in Figure 1, comprises insulating lid body, and described insulating lid body is ring-type, and described insulating lid body comprises lateral wall 3, madial wall 1 and connector, and described lateral wall 3 is connected by connector with described madial wall 1; Described lateral wall 3 is provided with the groove of crossing line for winding coil.Preferably, described groove is U-shaped groove, by what offer different depth on lateral wall 3, for winding coil, crosses the U-shaped groove 12 of line, can improve wire winding, improves electromagnetic performance and the security performance of motor.The shape of U-shaped groove 12 is not only conducive to passing of winding coiling, also can not damage winding coiling, has improved the stability of motor performance.
Further, described connector is base plate 2, and described base plate 2 is provided with the dead ring 10 that coordinates stator core grooved.Specifically, by offer the dead ring 10 matching with motor stator metal trough type on base plate 2, dead ring 10 is extend in stator core slot, can avoid coil corner and stator core acute angle place to occur electric puncturing.
Further, described base plate 2 is provided with for electrical machine insulation lid is fixed to the elasticity boss 11 on stator core, and the described elasticity boss 11 for electrical machine insulation lid is fixed on stator core is uniformly distributed along insulating lid body inner circle.Specifically, by being provided with for electrical machine insulation lid is fixed to the elasticity boss 11 on stator core, on the end face of stator core two ends, be provided with the installing hole matching with elasticity boss 11 on base plate 2 simultaneously.Because elasticity boss 11 has elasticity, so it can enter in the installing hole on stator core end face, and closely cooperate with installing hole.By for electrical machine insulation lid being fixed to closely cooperating of elasticity boss 11 on stator core and the installing hole on stator core end face, make electrical machine insulation lid can be fixed to the two ends of motor stator stablely.Preferably, described base plate 2 is provided with for distinguishing the elasticity boss 14 of insulating lid installation direction.First on the circumference of chassis, evenly arrange that a circle and the stator number of teeth equate for electrical machine insulation lid is fixed to the elasticity boss 11 on stator core, be used for electrical machine insulation lid to be fixedly attached on stator core.Secondly equally distributed for electrical machine insulation lid is fixed to the elasticity boss periphery on stator core, be provided with one the same with these elasticity boss structures one for distinguishing the elasticity boss 14 of insulating lid installation direction.By this for distinguishing the elasticity boss 14 of insulating lid installation direction, not only can guarantee that electrical machine insulation lid installs, plays positioning action according to correct direction, can also play reinforcement effect in being fixedly connected with of electrical machine insulation lid and stator core, make electrical machine insulation cover be connected with stator core more firm.
Further, described lateral wall 3 is provided with neutral line short-circuiting terminal slot part 4 and the triple line leading-out terminal slot part 7 connecting for Y type winding.Described neutral line terminals slot part 4 is to coordinate three automatic Punched terminals 5 that do not disconnect material strip to use, and described triple line leading-out terminal slot part 7 is to coordinate three automatic Punched terminals 6 that disconnect material strip to use.
Further, the side of described lateral wall 3 is provided with for isolating the not boss 8 of homophase jumper and lead-out wire.Described is cuboid for isolating the not boss 8 of homophase jumper and lead-out wire.Specifically, according to the difference of crossing line position, two right angles of each boss carry out rounding processing.By the boss 8 that these are not of uniform size, position is different is set, can make out of phase jumper, lead-out wire mutually isolate, improved dielectric strength.
Further, on described madial wall 1, be installed with for strengthening the reinforcement 9 of inner sidewall structure intensity.By reinforcement 9 being set on the inner side at electrical machine insulation lid madial wall, for strengthening the structural strength of madial wall 1, in the time of can avoiding winding the line, madial wall slopes inwardly.
Further, described base plate 2 is provided with the table top 13 for SI semi-insulation in holddown groove.Preferably, in the notch both sides of stator core slot, respectively there is a table top, at bottom land, have a table top.In stator slot, be installed with insulating paper, to insulating in groove.Because the very thin thickness of insulating paper, be far smaller than existing injection moulding insulating barrier, electrical machine insulation covers stator core slot radial distance and the insulating paper consistency of thickness taking in groove, so insulating method of the present invention has reduced the taking of stator core slot space, and has improved the copper factor of winding at stator core slot.By SI semi-insulation intersection in base plate and groove, establish the table top 13 for SI semi-insulation in holddown groove, can block insulating paper in groove, avoid its vibration, thereby improve the insulation property of motor stator.
In sum, the present invention is arranged on the two ends of stator core by dead ring and elasticity boss, utilizes SI semi-insulation in the table top holddown groove on base plate simultaneously, thereby makes the interior SI semi-insulation of electrical machine insulation lid and groove jointly form the seal of motor stator.This motor stator insulated device and the motor stator insulated of Integral injection molding are compared, and have reduced the taking of space in stator core slot, and have improved the insulation property of copper factor and the motor stator of stator.
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention, all should fall in the definite protection range of the claims in the present invention book.
Claims (10)
1. an electrical machine insulation covers, comprise insulating lid body, it is characterized in that: described insulating lid body is ring-type, described insulating lid body comprises lateral wall (3), madial wall (1) and connector, and described lateral wall (3) is connected by connector with described madial wall (1); Described lateral wall (3) is provided with the groove of crossing line for winding coil.
2. a kind of electrical machine insulation lid according to claim 1, is characterized in that: described lateral wall (3) is provided with neutral line short-circuiting terminal slot part (4) and the triple line leading-out terminal slot part (7) connecting for Y type winding.
3. a kind of electrical machine insulation lid according to claim 1, is characterized in that: the side of described lateral wall (3) is provided with for isolating the not boss (8) of homophase jumper and lead-out wire.
4. a kind of electrical machine insulation according to claim 1 covers, it is characterized in that: described connector is base plate (2), described base plate (2) is provided with for electrical machine insulation lid is fixed to the elasticity boss (11) on stator core, and described base plate (2) is provided with the dead ring (10) that coordinates stator core grooved.
5. a kind of electrical machine insulation lid according to claim 1, is characterized in that: on described madial wall (1), be installed with the reinforcement (9) for strengthening inner sidewall structure intensity.
6. a kind of electrical machine insulation lid according to claim 1, is characterized in that: the described groove of crossing line for winding coil is U-shaped groove (12).
7. a kind of electrical machine insulation lid according to claim 4, is characterized in that: described base plate (2) is provided with some table tops for SI semi-insulation in holddown groove (13).
8. a kind of electrical machine insulation lid according to claim 4, is characterized in that: the described elasticity boss (11) for electrical machine insulation lid is fixed on stator core is uniformly distributed along insulating lid body inner circle.
9. according to a kind of electrical machine insulation lid described in claim 4 or 8, it is characterized in that: described base plate (2) is provided with for distinguishing the elasticity boss (14) of insulating lid installation direction.
10. according to a kind of electrical machine insulation lid described in claim 4 or 8, it is characterized in that: described equates for electrical machine insulation lid being fixed to quantity and the stator number of teeth of the elasticity boss (11) on stator core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310536894.1A CN103545970B (en) | 2013-11-04 | 2013-11-04 | A kind of electrical machine insulation lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310536894.1A CN103545970B (en) | 2013-11-04 | 2013-11-04 | A kind of electrical machine insulation lid |
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| Publication Number | Publication Date |
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| CN103545970A true CN103545970A (en) | 2014-01-29 |
| CN103545970B CN103545970B (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310536894.1A Active CN103545970B (en) | 2013-11-04 | 2013-11-04 | A kind of electrical machine insulation lid |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810952A (en) * | 2015-05-13 | 2015-07-29 | 广东美芝制冷设备有限公司 | Flat cable insulation framework used for distribution roll motor and distribution roll motor provided with the same |
| CN107086692A (en) * | 2017-05-31 | 2017-08-22 | 广东美芝制冷设备有限公司 | Motor and its stator insulation component |
| CN107492968A (en) * | 2017-07-31 | 2017-12-19 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of insulation framework and motor stator |
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| JPH05146106A (en) * | 1991-11-18 | 1993-06-11 | Matsushita Seiko Co Ltd | Stator of plastic molded motor |
| CN2935605Y (en) * | 2006-07-28 | 2007-08-15 | 奇鋐科技股份有限公司 | Insulation frame structure of motor stator |
| CN201699497U (en) * | 2010-05-07 | 2011-01-05 | 浙江华辰电器股份有限公司 | Motor stator insulating end plate |
| CN201708601U (en) * | 2010-05-28 | 2011-01-12 | 中山大洋电机制造有限公司 | Motor stator with temperature controller |
| CN103187808A (en) * | 2011-12-28 | 2013-07-03 | 富士通将军股份有限公司 | Electric motor |
| CN203562867U (en) * | 2013-11-04 | 2014-04-23 | 合肥荣事达三洋电器股份有限公司 | Insulating motor cover |
-
2013
- 2013-11-04 CN CN201310536894.1A patent/CN103545970B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05146106A (en) * | 1991-11-18 | 1993-06-11 | Matsushita Seiko Co Ltd | Stator of plastic molded motor |
| CN2935605Y (en) * | 2006-07-28 | 2007-08-15 | 奇鋐科技股份有限公司 | Insulation frame structure of motor stator |
| CN201699497U (en) * | 2010-05-07 | 2011-01-05 | 浙江华辰电器股份有限公司 | Motor stator insulating end plate |
| CN201708601U (en) * | 2010-05-28 | 2011-01-12 | 中山大洋电机制造有限公司 | Motor stator with temperature controller |
| CN103187808A (en) * | 2011-12-28 | 2013-07-03 | 富士通将军股份有限公司 | Electric motor |
| CN203562867U (en) * | 2013-11-04 | 2014-04-23 | 合肥荣事达三洋电器股份有限公司 | Insulating motor cover |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810952A (en) * | 2015-05-13 | 2015-07-29 | 广东美芝制冷设备有限公司 | Flat cable insulation framework used for distribution roll motor and distribution roll motor provided with the same |
| CN104810952B (en) * | 2015-05-13 | 2017-06-16 | 广东美芝制冷设备有限公司 | Motor is rolled up for being distributed the winding displacement insulation framework of volume motor and the distribution with it |
| CN107086692A (en) * | 2017-05-31 | 2017-08-22 | 广东美芝制冷设备有限公司 | Motor and its stator insulation component |
| CN107086692B (en) * | 2017-05-31 | 2024-03-22 | 广东美芝制冷设备有限公司 | Motor and stator insulation assembly thereof |
| CN107492968A (en) * | 2017-07-31 | 2017-12-19 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of insulation framework and motor stator |
| CN107492968B (en) * | 2017-07-31 | 2023-05-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Insulating framework and motor stator |
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| Publication number | Publication date |
|---|---|
| CN103545970B (en) | 2016-02-24 |
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Address after: 230088 No. 96 science Avenue, hi tech Zone, Anhui, Hefei Applicant after: Whirlpool (China) Limited by Share Ltd Address before: 230088 No. 96 science Avenue, hi tech Zone, Anhui, Hefei Applicant before: Hefei Rongshida Sanyo Electric Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: HEFEI RONGSHIDA SANYO ELECTRIC CO., LTD. TO: WHIRLPOOL (CHINA) CO., LTD. |
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