CN209767263U - Stator for high-low temperature vacuum stepping motor - Google Patents
Stator for high-low temperature vacuum stepping motor Download PDFInfo
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- CN209767263U CN209767263U CN201920821611.0U CN201920821611U CN209767263U CN 209767263 U CN209767263 U CN 209767263U CN 201920821611 U CN201920821611 U CN 201920821611U CN 209767263 U CN209767263 U CN 209767263U
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Abstract
The utility model relates to a step motor makes technical field, especially a stator for high low temperature vacuum step motor, and insulating device includes a plurality of insulating pad units and a plurality of insulating piece unit, insulating pad unit and terminal surface looks adaptation, insulating piece unit and side looks adaptation, and the transition portion is stretched out to the outer end of insulating pad unit, and insulating pad unit is the elastic deformation structure that polytetrafluoroethylene made. The utility model provides a stator for high low temperature vacuum step motor, when the wire winding compresses tightly the part that insulating pad unit stretches out transition portion, insulating unit extension carries out elastic deformation, can produce the cambered surface, in order to realize the smooth transition of coil and insulator in transition portion department, not only satisfy the coil compactness, tip length is shorter, and resistance is little, and the motor loss is little, and can avoid leading to the coil to damage for the right angle because of the transition portion between side and the terminal surface, cause the condition of motor damage to take place.
Description
Technical Field
The utility model relates to a step motor makes technical field, especially a stator for high low temperature vacuum step motor.
Background
At present, when a winding is installed on a stator used by a high-low temperature vacuum stepping motor, an insulating layer needs to be arranged between the winding and the stator to separate the stator from the winding.
At present, stator winding schemes in the industry of high-low temperature vacuum stepping motors are generally two of the following:
a. Winding a winding on a space supporting framework, and then installing the space supporting framework, wherein the process is simple, the installation is convenient, but the space supporting framework made of polytetrafluoroethylene molding materials which can be used in high-low temperature and vacuum environments is difficult to process, the cost is higher, meanwhile, the coil is larger, the end part is longer, the resistance is large, the motor loss is large, the slot fullness rate cannot be too high, and the wire embedding has certain difficulty;
b. Use insulating coating to insulate, this scheme coil is compact, tip length is shorter, resistance is little, the motor loss is little, motor torque performance will be good, can adjust the winding number in a flexible way, go around root line and best wiring mode, however, when transition portion between the side of stator magnetic pole and the terminal surface satisfies coil smooth transition's fillet, processing technology is difficult, the processing cost is higher, so the transition portion that generally is between side and terminal surface sets up to the right angle, and in the use, because mechanical vibration, the insulating layer of transition portion is worn and torn, cause wire winding and stator direct contact, damage the motor, perhaps the coil of transition portion damages, lead to needing to change stator and wire winding, can cause a large amount of losses.
Therefore, based on the above, there is a need for a stator for a high/low temperature vacuum stepping motor at present , which not only satisfies the requirements of compact coil, short end length, small resistance and small motor loss, but also avoids the situation that the transition portion between the side surface and the end surface causes coil damage due to right angle, resulting in motor damage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the problems that in the prior art, when a stator of a high-low temperature vacuum stepping motor is wound, a space framework is used for insulation, a polytetrafluoroethylene molding material space supporting framework is difficult, the cost is high, a coil is large, and the motor loss is large; and use the insulating coating to be insulating, the transition portion of side and terminal surface is the right angle, the problem of easy wearing and tearing insulating layer or coil provides a stator for high low temperature vacuum step motor, not only satisfies the coil compactness, and tip length is shorter, and the resistance is little, and the motor loss is little, can avoid the transition portion of side and terminal surface to lead to the coil to damage because of the right angle in addition, causes the condition of motor damage to take place.
In order to realize the purpose, the utility model discloses a technical scheme be:
A stator for a high and low temperature vacuum stepping motor, comprising a core, a coil and an insulating device for insulating between the core and the coil, wherein the insulating device is pressed on the core through the coil, the core comprises a plurality of magnetic poles, the magnetic poles are provided with a side surface and an end surface, a transition part which is at a right angle is arranged between the side surface and the end surface, and the stator is characterized in that: the insulating device includes a plurality of insulating pad units and a plurality of insulating piece units, insulating pad unit with terminal surface looks adaptation, insulating piece unit with side looks adaptation, the outer end of insulating pad unit stretches out transition portion, the elastic deformation structure that insulating pad unit was made for polytetrafluoroethylene.
This scheme a stator for high low temperature vacuum step motor, when carrying out the wire winding process, the insulating piece unit is compressed tightly on the side by the wire winding, insulating pad unit is compressed tightly on the terminal surface by the wire winding, insulating piece unit and side looks adaptation, the transition portion is stretched out to the outer end of insulating pad unit, and the elastic deformation structure that insulating pad unit was made for polytetrafluoroethylene, when the coil compressed tightly the part that insulating pad unit stretched out the transition portion, this part carries out elastic deformation, can produce the cambered surface, in order to realize coil and insulator arrangement at the smooth transition of transition portion department, not only satisfy the coil compactness, tip length is shorter, and the resistance is little, the motor loss is little, and can avoid leading to the coil to damage for the right angle because of the transition portion between side and the terminal surface, the condition that causes the motor damage takes place.
Preferably, the insulating sheet units correspond to the side surfaces one to one, and the insulating pad units correspond to the end surfaces one to one.
Preferably, all the insulation pad units on the same end face are connected in sequence and are integrally formed structural members.
When one insulating pad unit is pressed, all the insulating pad units on the end face are fixed, so that the subsequent winding work is facilitated.
Preferably, the insulating sheet unit is a structural member made of polytetrafluoroethylene.
Preferably, the insulating sheet unit is a structural member made of polyimide.
The polyimide is thin, circular arc transition cannot be formed at the transition part, the insulating sheet unit is matched with the side face, circular arc bending is not needed, and therefore the insulating sheet unit can be made of polyimide materials suitable for high-temperature and low-temperature vacuum environments.
Preferably, a slot is formed between two adjacent magnetic poles, and all the insulating sheet units in the same slot are integrally formed structural members.
The wire casing is arranged between two adjacent magnetic poles, so that the side surfaces of the magnetic poles are the inner side surfaces of the wire casing, and when the insulating sheet units used by the two inner side surfaces in the same wire casing are made of polyimide materials, the insulating sheet units can be integrated into a whole so as to facilitate installation.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. The utility model provides a stator for high low temperature vacuum step motor, insulating piece unit and side looks adaptation, the outer end of insulating pad unit stretches out transition portion, and the elastic deformation structure that insulating pad unit was made for polytetrafluoroethylene, when the wire winding compresses tightly the part that the insulating pad unit stretches out transition portion, this part carries out elastic deformation, can produce the cambered surface, in order to realize coil and insulator arrangement at the smooth transition of transition portion department, not only satisfy the coil compactness, tip length is shorter, and the resistance is little, the motor loss is little, and can avoid leading to the coil to damage because of the transition portion between side and the terminal surface is the right angle, the condition that causes the motor damage takes place.
Drawings
FIG. 1 is a schematic view of a stator core construction according to the present application;
FIG. 2 is a schematic axial view of the insulation assembly and core assembly of the present application
FIG. 3 is a schematic top view of the insulation assembly and core assembly of the present application
FIG. 4 is a schematic cross-sectional view taken along line A-A of the insulation unit engaged with a core and wound without a coil according to the present application
FIG. 5 is a schematic cross-sectional view taken along line A-A of the insulation unit of the present application engaged with a core and wound with a coil
The labels in the figure are: 1-core, 11-pole, 111-side, 112-end, 113-transition, 12-wire slot, 2-insulation device, 21-insulation pad unit, 211-arc, 22-insulation sheet unit, 3-coil.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1-5, a stator for a high and low temperature vacuum stepping motor comprises a core 1, a coil 3 and an insulating device 2 for insulating between the core 1 and the coil 3, wherein the insulating device 2 is pressed on the core 1 through the coil 3, the core 1 comprises a plurality of magnetic poles 11, the magnetic poles 11 have a side surface 111 and an end surface 112, and a transition portion 113 at a right angle is formed between the side surface 111 and the end surface 112, and is characterized in that: the insulating device 2 comprises a plurality of insulating pad units 21 and a plurality of insulating sheet units 22, the insulating pad units 21 and the end surface 112 are matched, the insulating sheet units 22 and the side surfaces 111 are matched, the outer ends of the insulating pad units 21 extend out the transition parts 113, and the insulating pad units 21 are elastic deformation structural members made of polytetrafluoroethylene.
This scheme a stator for high low temperature vacuum step motor, when carrying out the wire winding process, insulating piece unit 22 is compressed tightly on side 111 by the wire winding, insulating pad unit 21 is compressed tightly on terminal surface 112 by the wire winding, insulating piece unit 22 and side 111 looks adaptation, transition portion 113 is stretched out to the outer end of insulating pad unit 21, and insulating pad unit 21 is the elastic deformation structure that polytetrafluoroethylene made, when coil 3 compressed tightly insulating pad unit 21 and stretches out transition portion 113's part, this part carries out elastic deformation, can produce cambered surface 211, in order to realize coil and insulator arrangement 2 at the smooth transition of transition portion 113 department, not only satisfy the coil compactness, tip length is shorter, and resistance is little, the motor loss is little, and can avoid leading to the coil damage for the right angle because of transition portion 113 between side 111 and the terminal surface 112, the condition that causes the motor damage takes place.
In addition, in a more preferable mode, the insulation sheet units 22 correspond to the side surfaces 111 one to one, and the insulation pad units 21 correspond to the end surfaces 112 one to one.
Example 2
As shown in fig. 1 to 5, in the stator for a high and low temperature vacuum stepping motor according to embodiment 1, all the insulating pad units 21 on the same end surface 112 are connected in sequence and are an integrally formed structural member.
When the winding process is performed, the insulating pad units 21 are wound and pressed on the end surface 112, so that all the insulating pad units 21 on the same end surface 112 are sequentially connected, and when one of the insulating pad units 21 is pressed, all the insulating pad units 21 on the end surface 112 are fixed, thereby facilitating the subsequent winding operation.
Example 3
As shown in fig. 1 to 5, in the stator for a high/low temperature vacuum stepping motor according to embodiment 1, the insulation sheet unit 22 is a structural member made of teflon.
Example 4
As shown in fig. 1 to 5, in the stator for a high/low temperature vacuum stepping motor according to embodiment 1, 2 or 3, the insulation sheet unit 22 is a structural member made of polyimide.
Since the insulation sheet unit 22 is adapted to the side surface 111 and does not need to be curved, the insulation sheet unit 21 may be made of a polyimide material suitable for a high-temperature and low-temperature vacuum environment.
On the basis, in a further preferable mode, a slot 12 is provided between two adjacent magnetic poles 11, and all the insulation sheet units 22 in the same slot 12 are integrally formed structural members.
The slot 12 is arranged between two adjacent magnetic poles 11, so the side 111 of the magnetic pole 11 is the inner side of the slot 12, when the insulating sheet units 22 used on two inner sides in the same slot are all made of polyimide, they can be integrated into a whole to facilitate installation.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A stator for a high and low temperature vacuum stepping motor, comprising a core (1), a coil (3) and an insulating device (2) for insulating between the core (1) and the coil (3), wherein the insulating device (2) is pressed on the core (1) through the coil (3), the core (1) comprises a plurality of magnetic poles (11), the magnetic poles (11) are provided with a side surface (111) and an end surface (112), and a transition part (113) at a right angle is arranged between the side surface (111) and the end surface (112), characterized in that: insulating device (2) include a plurality of insulating pad units (21) and a plurality of insulating sheet unit (22), insulating pad unit (21) with terminal surface (112) looks adaptation, insulating sheet unit (22) with side (111) looks adaptation, stretch out the outer end of insulating pad unit (21) transition portion (113), insulating pad unit (21) is the elastic deformation structure that polytetrafluoroethylene made.
2. A stator for a high and low temperature vacuum stepping motor according to claim 1, wherein: the insulating sheet units (22) correspond to the side faces (111) one by one, and the insulating pad units (21) correspond to the end faces (112) one by one.
3. A stator for a high and low temperature vacuum stepping motor according to claim 2, wherein: all the insulating pad units (21) on the same end face (112) are sequentially connected and are integrally formed structural members.
4. A stator for a high and low temperature vacuum stepping motor according to any one of claims 1 to 3, wherein: the insulating sheet unit (22) is a structural member made of polytetrafluoroethylene.
5. A stator for a high and low temperature vacuum stepping motor according to any one of claims 1 to 3, wherein: the insulating sheet unit (22) is a structural member made of polyimide.
6. The stator for the high and low temperature vacuum stepping motor according to claim 5, wherein: a wire slot (12) is formed between every two adjacent magnetic poles (11), and all the insulating sheet units (22) in the same wire slot (12) are integrally formed structural parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920821611.0U CN209767263U (en) | 2019-05-31 | 2019-05-31 | Stator for high-low temperature vacuum stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920821611.0U CN209767263U (en) | 2019-05-31 | 2019-05-31 | Stator for high-low temperature vacuum stepping motor |
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| Publication Number | Publication Date |
|---|---|
| CN209767263U true CN209767263U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920821611.0U Active CN209767263U (en) | 2019-05-31 | 2019-05-31 | Stator for high-low temperature vacuum stepping motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224523A (en) * | 2019-05-31 | 2019-09-10 | 成都金士力科技有限公司 | A kind of stator and its method for winding for high/low temperature vacuum stepper motor |
-
2019
- 2019-05-31 CN CN201920821611.0U patent/CN209767263U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224523A (en) * | 2019-05-31 | 2019-09-10 | 成都金士力科技有限公司 | A kind of stator and its method for winding for high/low temperature vacuum stepper motor |
| CN110224523B (en) * | 2019-05-31 | 2024-05-03 | 成都金士力科技有限公司 | Stator for high-low temperature vacuum stepper motor and winding method thereof |
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