CN219041498U - Stator mechanism for preventing coil from loosening and heat radiating device - Google Patents
Stator mechanism for preventing coil from loosening and heat radiating device Download PDFInfo
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- CN219041498U CN219041498U CN202222672056.4U CN202222672056U CN219041498U CN 219041498 U CN219041498 U CN 219041498U CN 202222672056 U CN202222672056 U CN 202222672056U CN 219041498 U CN219041498 U CN 219041498U
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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
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- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model discloses a stator mechanism for preventing coils from loosening and a heat dissipating device, and relates to the technical field of stator assembly protection. The winding coil is installed in the inside of stator groove, can peg graft the slot wedge in the constant head tank inboard and soak insulating varnish at this moment, firmly compress tightly the winding coil, the slot wedge has good insulating effect for insulating glue wooden strip, and the sealing washer of slot wedge one side will seal the gap department between slot wedge and the constant head tank simultaneously, because slot wedge and constant head tank all are isosceles trapezoid structure setting, for narrow down wide form, prevent that the slot wedge from droing and arousing winding coil and becoming flexible.
Description
Technical Field
The utility model relates to the technical field of stator assembly protection, in particular to a stator mechanism for preventing a coil from loosening and a heat dissipation device.
Background
The motor is a driving device of various devices such as fans, pumps, compressors, machine tools, conveyor belts, textile machines and the like, is widely applied to a plurality of industries and fields such as metallurgy, petrochemical industry, chemical industry, coal, building materials, public facilities and the like, and is a power-consuming machine with the largest power consumption. In recent years, the motor of a furnace coal mill and a powder exhauster for production has long starting time, large starting current and strong electromagnetic force acted on the stator coil of the motor, so that the stator coil is often caused to be loose due to the fact that a fixed slot wedge of the stator coil is stressed and falls off, the motor is caused to vibrate and exceed standard, even the motor is damaged, and the safe and stable operation of a unit is seriously affected.
1. The motor is long in starting time, large in starting current and strong in electromagnetic force acting on the stator coil of the motor, so that the stator coil is often loosened due to the fact that the fixed slot wedge of the stator coil is stressed and falls off.
2. The heat dissipation capacity in the stator groove is seriously insufficient, so that the working abnormality of the motor is easy to cause, and the service life is shortened.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.
The present utility model has been made in view of the above and/or the problems associated with the conventional stator mechanism and heat sink that prevent loosening of the coils.
Therefore, one of the objectives of the present utility model is to provide a stator assembly for preventing the loosening of the coil, which can avoid the loosening of the stator coil caused by the falling of the stator coil fixing slot wedge as much as possible.
In order to solve the technical problems, the utility model provides the following technical scheme: a stator mechanism for preventing loosening of a coil, comprising,
the stator assembly comprises a stator core assembly and a connecting assembly connected with the stator core assembly, annular array-shaped stator grooves are formed in the inner wall of the stator core assembly, and heat dissipation grooves are formed in the surface of the stator core assembly.
As a preferable mode of the stator mechanism for preventing loosening of the coil according to the present utility model, wherein: a machine base is arranged on one side of the stator core assembly, annular array-shaped perforations are formed in the surface of the stator core assembly, and connecting screws penetrate through the perforated holes.
Based on the technical characteristics: when the stator core assembly is required to be connected and installed, the connecting screw rod can penetrate through the through holes on the surface of the stator core assembly, and then penetrates through the end cover on the machine base, so that the stator core assembly can be connected and installed conveniently.
As a preferable mode of the stator mechanism for preventing loosening of the coil according to the present utility model, wherein: the inside in stator groove is provided with the winding coil, and the slot wedge is installed to one side in stator groove, has offered the heat transfer hole between stator groove and the radiating groove.
Based on the technical characteristics: when the inside of the stator groove is overheated, heat flows into the heat dissipation groove through the heat transfer holes to be dissipated.
As a preferable mode of the stator mechanism for preventing loosening of the coil according to the present utility model, wherein: a locating groove is formed in one side, close to the inner wall of the stator core assembly, of the stator groove, and the slot wedge is inserted into the inner side of the locating groove.
Based on the technical characteristics: the winding coil can be firmly pressed.
As a preferable mode of the stator mechanism for preventing loosening of the coil according to the present utility model, wherein: sealing gaskets are symmetrically arranged at two ends of one side of the slot wedge.
Based on the technical characteristics: the gap between the slot wedge and the positioning slot can be sealed.
As a preferable mode of the stator mechanism for preventing loosening of the coil according to the present utility model, wherein: the slot wedge and the positioning groove are all arranged in an isosceles trapezoid structure.
Based on the technical characteristics: preventing the slot wedge from falling off to cause loosening of the winding coil.
In summary, the present utility model includes at least one of the following beneficial effects: the winding coil is installed in the inside of stator groove, can peg graft the slot wedge in the constant head tank inboard and soak insulating varnish at this moment, firmly compress tightly the winding coil, the slot wedge has good insulating effect for insulating glue wooden strip, and the sealing washer of slot wedge one side will seal the gap department between slot wedge and the constant head tank simultaneously, because slot wedge and constant head tank all are isosceles trapezoid structure setting, for narrow down wide form, prevent that the slot wedge from droing and arousing winding coil and becoming flexible.
The utility model further aims to provide a heat dissipating device which not only can avoid the stator coil fixing slot wedge from falling off under the stress as much as possible to loosen the stator coil, but also can improve the heat dissipating capacity inside the stator slot.
In order to solve the technical problems, the utility model provides the following technical scheme: the heat dissipation device comprises the stator mechanism for preventing the coil from loosening, and further comprises a heat dissipation mechanism arranged on the inner side of the stator core assembly, wherein the heat dissipation mechanism comprises a heat dissipation rib plate arranged inside a heat dissipation groove, one side of the heat dissipation rib plate is connected with a heat conduction plate, and the heat conduction plate is positioned on one side of an inner cavity of the stator groove.
As a preferable embodiment of the heat dissipating device of the present utility model, wherein: through holes are formed in the upper ends of the heat dissipation rib plates, and heat dissipation fins are installed on the two sides of the heat dissipation rib plates at intervals.
Based on the technical characteristics: the through holes and the radiating fins can enhance the radiating area of the radiating rib plate, so that heat is rapidly discharged outwards.
As a preferable embodiment of the heat dissipating device of the present utility model, wherein: the heat dissipation rib plate is of a hollow structure, and the heat dissipation rib plate is movably penetrated through the heat transfer holes.
Based on the technical characteristics: the absorbed heat can be quickly transferred into the heat dissipation groove.
As a preferable embodiment of the heat dissipating device of the present utility model, wherein: the heat radiation rib plates and the heat radiation fins are made of copper-aluminum composite plates.
Based on the technical characteristics: has good heat conduction effect.
In summary, the present utility model includes at least one of the following beneficial effects: the heat conducting plate can absorb heat in the stator groove and conduct the heat to the heat radiating rib plate through the other side, the heat radiating rib plate is of a hollow structure, the absorbed heat can be quickly transferred into the heat radiating groove, and finally the heat radiating rib plate and the through holes are outwards emitted and discharged, so that the heat radiating efficiency is enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is an overall block diagram of a coil loosening prevention stator mechanism of the present utility model;
FIG. 2 is a partially enlarged block diagram of FIG. 1A according to the present utility model;
fig. 3 is a structural diagram of a stator mechanism and a heat dissipation mechanism according to the present utility model.
Fig. 4 is a structural diagram of a heat dissipating rib and a heat conducting plate according to the present utility model.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 2, in order to realize a first embodiment of the present utility model, in which a motor is started for a long time, a starting current is large, and a strong electromagnetic force is applied to a stator coil of the motor, which often causes a stator coil fixing wedge to be forced to fall off, resulting in loosening of the stator coil, the embodiment provides a stator mechanism for preventing loosening of the coil, comprising,
Referring to fig. 1 and 2, in order to avoid the problem that the stator coil is loosened due to the fact that the stator coil fixing slot wedge is forced to fall off as much as possible in the present embodiment. The inside of stator groove 103 is provided with winding coil 103a, and slot wedge 103b is installed to one side of stator groove 103, has seted up heat transfer hole 103c between stator groove 103 and the radiating groove 104, and the constant head tank 103a-1 has been seted up to one side that stator groove 103 is close to stator core subassembly 101 inner wall, and slot wedge 103b peg graft in the constant head tank 103a-1 inboard, and sealing gasket 103b-1 is installed to one side both ends symmetry of slot wedge 103b, and slot wedge 103b and constant head tank 103a-1 all are isosceles trapezoid structure setting.
The winding coil 103a is installed in the stator slot 103, at this time, the slot wedge 103b can be inserted into the inner side of the positioning slot 103a-1 and is soaked with insulating paint, the winding coil 103a is firmly pressed, the slot wedge 103b has a good insulating effect for insulating glue strips, meanwhile, the sealing gasket 103b-1 on one side of the slot wedge 103b seals a gap between the slot wedge 103b and the positioning slot 103a-1, and the slot wedge 103b and the positioning slot 103a-1 are arranged in an isosceles trapezoid structure and are in a shape of being narrow at the upper part and wide at the lower part, so that the winding coil 103a is prevented from loosening due to falling of the slot wedge 103b, and when the interior of the stator slot 103 is overheated, heat flows into the heat dissipation slot 104 through the heat transfer hole 103 c.
Example 2
Referring to fig. 1, a second embodiment of the present utility model is based on the previous embodiment, except that a stator mechanism for preventing loosening of the coils is further optimized.
Specifically, referring to fig. 1, in the present embodiment, connection and installation of the stator core assembly 101 are performed. A base 102a is mounted on one side of the stator core assembly 101, a ring-shaped array of perforations 102b are formed in the surface of the stator core assembly 101, and a connecting screw 102c penetrates through the inside of the perforations 102 b.
The stator core assembly 101 can be used in a plurality of stacked combinations, and can also be used singly, when connection and installation are needed, the connecting screw 102c can penetrate through the through holes 102b on the surface of the stator core assembly 101, and then the connecting screw 102c penetrates through the end cover on the base 102a, so that the stator core assembly 101 can be connected and installed quickly.
Example 3
Referring to fig. 1, 3 and 4, in order to achieve a serious shortage of heat dissipation capability in the stator slot in the third embodiment of the present utility model, which is liable to cause abnormal operation of the motor and shorten the service life, the embodiment provides a heat dissipation device comprising,
the heat dissipation mechanism 200 is arranged on the inner side of the stator core assembly 101, the heat dissipation mechanism 200 comprises a heat dissipation rib plate 201 arranged in the heat dissipation groove 104, one side of the heat dissipation rib plate 201 is connected with a heat conduction plate 202, the heat conduction plate 202 is positioned on one side of the inner cavity of the stator groove 103,
specifically, referring to fig. 1, 3 and 4, in this embodiment, in order to achieve the heat dissipation capability inside the stator slot, there is a serious disadvantage, so that the operation of the motor is easy to be abnormal, and the service life is shortened. The upper end of the heat radiation rib plate 201 is provided with through holes 201a at intervals, the two sides of the heat radiation rib plate 201 are provided with heat radiation fins 201b at intervals, the heat radiation rib plate 201 is of a hollow structure, the heat radiation rib plate 201 penetrates through the heat transfer holes 103c in a movable mode, and the heat radiation rib plate 201 and the heat radiation fins 201b are made of copper-aluminum composite plates and have good heat absorption and radiation effects.
To sum up, one end of the heat dissipation rib 201 penetrates through the heat transfer hole 103c in the heat dissipation groove 104 to reach one side of the inner part of the stator groove 103, one penetrating end is connected with the heat conducting plate 202, the heat conducting plate 202 can absorb heat in the stator groove 103 and conduct to the heat dissipation rib 201 through the other side, the heat dissipation rib 201 is of a hollow structure, the absorbed heat can be quickly transferred into the heat dissipation groove 104, and finally the heat is outwards emitted and discharged through the heat dissipation fin 201b and the through hole 201a, so that the heat dissipation efficiency is enhanced.
It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.
Claims (10)
1. A prevent not hard up stator mechanism of coil, its characterized in that: comprising the steps of (a) a step of,
stator module (100), including stator core subassembly (101) and with stator core subassembly (101) connected coupling assembling (102), stator core subassembly (101) inner wall department has seted up annular array form stator groove (103), and radiating groove (104) have been seted up on stator core subassembly (101) surface.
2. A coil loosening prevention stator mechanism as claimed in claim 1, wherein: a machine seat (102 a) is arranged on one side of the stator core assembly (101), annular array-shaped perforations (102 b) are formed in the surface of the stator core assembly (101), and connecting screws (102 c) penetrate through the inside of the perforations (102 b).
3. A coil loosening prevention stator mechanism as claimed in claim 1, wherein: winding coils (103 a) are arranged in the stator grooves (103), slot wedges (103 b) are arranged on one side of the stator grooves (103), and heat transfer holes (103 c) are formed between the stator grooves (103) and the heat dissipation grooves (104).
4. A coil loosening prevention stator mechanism as claimed in claim 1, wherein: a positioning groove (103 a-1) is formed in one side, close to the inner wall of the stator core assembly (101), of the stator groove (103), and a slot wedge (103 b) is inserted into the inner side of the positioning groove (103 a-1).
5. A coil loosening prevention stator mechanism as claimed in claim 3, wherein: sealing gaskets (103 b-1) are symmetrically arranged at two ends of one side of the slot wedge (103 b).
6. A coil loosening prevention stator mechanism as claimed in claim 4 or 5, wherein: the slot wedge (103 b) and the positioning slot (103 a-1) are arranged in an isosceles trapezoid structure.
7. A heat sink, characterized in that: a stator mechanism comprising a coil loosening prevention device according to any one of claims 1 to 5; and
the heat dissipation mechanism (200), heat dissipation mechanism (200) set up in stator core subassembly (101) inboard, including installing in the inside heat dissipation floor (201) of heat dissipation groove (104), one side of heat dissipation floor (201) is connected with heat conduction board (202), and heat conduction board (202) are located the inner chamber one side of stator groove (103).
8. A heat sink as defined in claim 7, wherein: through holes (201 a) are formed in the upper ends of the heat dissipation rib plates (201) at intervals, and heat dissipation fins (201 b) are arranged on the two sides of the heat dissipation rib plates (201) at intervals.
9. A heat sink as defined in claim 7, wherein: the heat dissipation rib plate (201) is of a hollow structure, and the heat dissipation rib plate (201) movably penetrates through the heat transfer hole (103 c).
10. A heat sink as defined in claim 7, wherein: the radiating rib plates (201) and the radiating fins (201 b) are made of copper-aluminum composite plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222672056.4U CN219041498U (en) | 2022-10-11 | 2022-10-11 | Stator mechanism for preventing coil from loosening and heat radiating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222672056.4U CN219041498U (en) | 2022-10-11 | 2022-10-11 | Stator mechanism for preventing coil from loosening and heat radiating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219041498U true CN219041498U (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222672056.4U Active CN219041498U (en) | 2022-10-11 | 2022-10-11 | Stator mechanism for preventing coil from loosening and heat radiating device |
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| CN (1) | CN219041498U (en) |
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- 2022-10-11 CN CN202222672056.4U patent/CN219041498U/en active Active
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