CN204615538U - The motor of a kind of motor stator and application thereof - Google Patents
The motor of a kind of motor stator and application thereof Download PDFInfo
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- CN204615538U CN204615538U CN201520284093.5U CN201520284093U CN204615538U CN 204615538 U CN204615538 U CN 204615538U CN 201520284093 U CN201520284093 U CN 201520284093U CN 204615538 U CN204615538 U CN 204615538U
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Abstract
The utility model discloses the motor of a kind of motor stator and application thereof, described motor stator comprises stator core, coil windings, insulating sleeve and external power line, coil windings is winding and installed on stator core, and draw the end of a thread from coil windings, together with part the end of a thread is connected directly between with external power line, joint is formed in the junction of the end of a thread and power line, power line comprise be close to contact-segment in coil windings and from stator core toward the section of stretching out of extension, insulating sleeve is set with outside the power line be directly connected with the end of a thread, outside the contact-segment that insulating sleeve is at least sleeved on described power line and joint, structure is simple, easy to operate, effective protection has been carried out to the place that insulating protection in motor stator is the weakest, improve the fail safe of motor stator and the useful life of complete machine.
Description
Technical field:
The utility model relates to the motor of a kind of motor stator and application thereof, belongs to technical field of motors.
Background technology:
Statistics according to market bad reaction and related data shows, stator winding lost efficacy and accounts for the front three of the bad ratio of motor, and wherein power line and joint location burn most ratios that machine account for again stator winding inefficacy.Therefore, the insulating protection of power line and joint location is good and bad, directly affects the safety of motor use and the length in motor useful life.At present, in industry, the insulating protection of power line and joint location mainly comprises following two kinds of modes:
One, after the end of a thread and the power line of stator winding complete and weld, be set with the insulating sleeve of about 40mm outside bond pad locations, power line contacts with the winding yellow gummed paper be wrapped in outside stator winding end, and this mode at least exists following Railway Project:
1, because the temperature resistant grade of power line and yellow gummed paper is lower than the class of insulation (GB12350 permission) of complete machine, such as, in B-class insulation motor, the end of a thread is selected to be not less than 130 grades, and power line generally selects 105 grades, long-time running uses, and insulation system can be aging, useful life reduces, and power line comparatively early lost efficacy in complete machine insulation system;
2, the pressure reduction between the end of a thread of stator winding, line tail is large, and the end of a thread, line tail easily form cross spider, and easily damage causes turn-to-turn to burn machine herein;
3, because belonging to manual operation, easily occurring that insulating sleeve does not entangle the phenomenon of bond pad locations completely, causing premature failure.
Two, the insulation small casing of about 80mm is set with at the end of a thread of stator winding, line tail, after the end of a thread and the power line of stator winding complete and weld, the large sleeve of insulation of about 40mm is set with outside bond pad locations, power line contacts with the winding yellow gummed paper be wrapped in outside stator winding end, and this mode at least exists following Railway Project:
1, because the temperature resistant grade of power line and yellow gummed paper is lower than the class of insulation (GB12350 permission) of complete machine, such as, in B-class insulation motor, the end of a thread is selected to be not less than 130 grades, and power line generally selects 105 grades, long-time running uses, and insulation system can be aging, useful life reduces, and power line comparatively early lost efficacy in complete machine insulation system;
2, because belonging to manual operation, easily occurring that the large sleeve pipe of insulation does not entangle the phenomenon of bond pad locations completely, causing premature failure;
3, be first set with the insulation small casing of about 80mm at the end of a thread of stator winding, line tail, after outside bond pad locations, be set with the large sleeve of insulation of about 40mm, complicated operation, operating efficiency are low.
Summary of the invention:
The purpose of this utility model is to provide the motor of a kind of motor stator and application thereof, this structure is simple, easy to operate, effective protection is carried out to the place that insulating protection in motor stator is the weakest, has improve the fail safe of motor stator and the useful life of complete machine.
The purpose of this utility model is achieved by following technical proposals.
A kind of motor stator, comprise stator core, coil windings, insulating sleeve and external power line, coil windings is winding and installed on stator core, and draw the end of a thread from coil windings, together with part the end of a thread is connected directly between with external power line, joint is formed in the junction of the end of a thread and power line, power line comprise be close to contact-segment in coil windings and from stator core toward the section of stretching out of extension, insulating sleeve is set with, outside the contact-segment that insulating sleeve is at least sleeved on described power line and joint outside the power line be directly connected with the end of a thread.
The end of a thread described above and power line are by being welded together, and winding has been wrapped in gummed paper outside bond pad locations.
The internal diameter of insulating sleeve described above is D, and the external diameter of power line is d1, and the external diameter of the end of a thread is d2, D > d1+3d2.
The length of insulating sleeve described above is L, and the length of power line contact-segment is L1, and the length of joint is L2, L > L1+L2, and insulating sleeve is toward extension and outside the section of stretching out being nested in power line.
The quantity of the end of a thread described above is 4, and together with wherein 2 the end of a thread are connected directly between with 1 power line respectively, other 2 the end of a thread are linked together by thermostat and power line.
Thermostat described above is provided with 2 pins, wherein 1 pin and 2 the end of a thread link together, and another 1 pin and power line link together.
Described above is set with insulating sleeve outside the power line be connected with pin, outside the contact-segment that insulating sleeve is at least sleeved on described power line and pin.
Described above is set with insulating sleeve outside the pin be connected with the end of a thread, and insulating sleeve is at least sleeved on outside described pin and the end of a thread.
Described above winding outside the end of coil windings has been wrapped in gummed paper, by wiring insulating sleeve colligation outside the end of coil windings, insulating sleeve is fiberglass tubes or silicone tube.
The utility model compared with prior art, has following effect:
1) outside the power line be directly connected with the end of a thread, insulating sleeve is set with, outside the contact-segment that insulating sleeve is at least sleeved on described power line and joint, structure is simple, easy to operate, power line in motor stator is close to the contact-segment in coil windings, effective protection has been carried out in the weakest place of insulating protection, reduce the possibility that manual operation causes error, improve the fail safe of motor stator and the useful life of complete machine.
2) the end of a thread and power line are by being welded together, and winding has been wrapped in gummed paper outside bond pad locations, and structure is simple, easy to connect, quick, can improve the insulating protection grade of joint to a certain extent.
3) outside the power line be connected with pin, insulating sleeve is set with, outside the contact-segment that insulating sleeve is at least sleeved on described power line and pin, insulating sleeve is set with outside the pin be connected with the end of a thread, insulating sleeve is at least sleeved on outside described pin and the end of a thread, effective protection has been carried out to the place of each insulating protection weakness in motor stator, avoid, because indivedual local safeguard procedures deficiency causes the bad phenomenon such as burning machine or motor failure, improve the fail safe of motor stator and the useful life of complete machine.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of motor stator in embodiment;
Fig. 2 is A-A partial enlarged drawing in Fig. 1;
Fig. 3 is B-B partial enlarged drawing in Fig. 1;
Fig. 4 is the structural representation of a wherein power line in embodiment;
Fig. 5 is the structural representation of motor in embodiment.
Embodiment:
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one: as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, the present embodiment is a kind of motor stator, comprise stator core 1, coil windings 2, insulating sleeve 3 and external power line 4, coil windings 2 is winding and installed on stator core 1, and draw the end of a thread 21 from coil windings 2, together with part the end of a thread 21 is connected directly between with external power line 4, joint 5 is formed at the end of a thread 21 and the junction of power line 4, power line 4 comprise be close to contact-segment 41 in coil windings 2 and from stator core 1 toward the section of stretching out 42 of extension, insulating sleeve 3 is set with outside the power line 4 be directly connected with the end of a thread 21, outside the contact-segment 41 that insulating sleeve 3 is at least sleeved on described power line 4 and joint 5.The end of a thread 21 and power line 4 are by being welded together, and winding has been wrapped in gummed paper 6 outside bond pad locations.
Mode of operation, in advance insulating sleeve 3 is enclosed within outside power line 4, after the end of a thread 21 and the power line 4 of coil windings 2 complete and are welded to connect, be wound around outside bond pad locations and be wrapped in gummed paper 6, finally insulating sleeve 3 is pulled to the root of the end of a thread 21, insulating sleeve 3 is sleeved on outside the contact-segment 41 of described power line 4, joint 5 and the end of a thread 21, thus complete operation.Structure is simple, easy to operate, power line in motor stator 4 is close to the contact-segment 41 in coil windings 2, effective protection has been carried out in the weakest place of insulating protection, reduce manual operation and easily occur that insulating sleeve 3 does not entangle the phenomenon of bond pad locations completely, improve the fail safe of motor stator and the useful life of complete machine.
The internal diameter of insulating sleeve 3 is D, and the external diameter of power line 4 is d1, and the external diameter of the end of a thread 21 is d2, D > d1+3d2.The length of insulating sleeve 3 is L, and the length of power line 4 contact-segment 41 is L1, and the length of joint 5 is L2, L > L1+L2, and insulating sleeve 3 is toward extension and outside the section of stretching out 42 being nested in power line 4.
The quantity of described the end of a thread 21 is 4, and together with wherein 2 the end of a thread 21 are connected directly between with 1 power line 4 respectively, other 2 the end of a thread 21 are linked together by thermostat 7 and power line 4.Thermostat 7 is provided with 2 pins 71, wherein 1 pin 71 and 2 the end of a thread 21 link together, and another 1 pin 71 links together with power line 4.Insulating sleeve 3 is set with, outside the contact-segment 41 that insulating sleeve 3 is at least sleeved on described power line 4 and pin 71 outside the power line 4 be connected with pin 71.Outside the pin 71 be connected with the end of a thread 21, be set with insulating sleeve 3, insulating sleeve 3 is at least sleeved on outside described pin 71 and the end of a thread 21.Effective protection is carried out to the place of each insulating protection weakness in motor stator, has avoided, because indivedual local safeguard procedures deficiency causes the bad phenomenon such as burning machine or motor failure, improve the fail safe of motor stator and the useful life of complete machine.
Outside the end of coil windings 2 be wound around be wrapped in gummed paper 6, by wiring 8 insulating sleeve 3 colligation outside the end of coil windings 2, insulating sleeve 3 is fiberglass tubes or silicone tube.
Embodiment two: as shown in Figures 1 to 5, the present embodiment is a kind of motor, comprise rotating shaft 91, rotor 92, motor stator 93, casing 94 and end cap 95, rotor 92 is arranged in rotating shaft 91, motor stator 93 and casing 94 are installed together and are nested in outside rotor 92, end cap 95 is arranged on the end of casing 94, rotating shaft 91 two ends are bearing on the bearing of end cap 95 respectively, motor stator 93 comprises stator core 1, coil windings 2, insulating sleeve 3 and external power line 4, coil windings 2 is winding and installed on stator core 1, and draw the end of a thread 21 from coil windings 2, together with part the end of a thread 21 is connected directly between with external power line 4, joint 5 is formed at the end of a thread 21 and the junction of power line 4, power line 4 comprise be close to contact-segment 41 in coil windings 2 and from stator core 1 toward the section of stretching out 42 of extension, insulating sleeve 3 is set with outside the power line 4 be directly connected with the end of a thread 21, outside the contact-segment 41 that insulating sleeve 3 is at least sleeved on described power line 4 and joint 5.
Claims (10)
1. a motor stator, comprise stator core (1), coil windings (2), insulating sleeve (3) and external power line (4), coil windings (2) is winding and installed on stator core (1), and draw the end of a thread (21) from coil windings (2), together with part the end of a thread (21) is connected directly between with external power line (4), joint (5) is formed at the end of a thread (21) and the junction of power line (4), it is characterized in that: power line (4) comprise be close to contact-segment (41) in coil windings (2) and from stator core (1) toward the section of stretching out (42) of extension, insulating sleeve (3) is being set with power line (4) outside that the end of a thread (21) is directly connected, insulating sleeve (3) is at least sleeved on contact-segment (41) and joint (5) outside of described power line (4).
2. a kind of motor stator according to claim 1, is characterized in that: the end of a thread (21) and power line (4) are by being welded together, and winding has been wrapped in gummed paper (6) outside bond pad locations.
3. a kind of motor stator according to claim 1 and 2, it is characterized in that: the internal diameter of insulating sleeve (3) is D, the external diameter of power line (4) is d1, and the external diameter of the end of a thread (21) is d2, D > d1+3d2.
4. a kind of motor stator according to claim 3, it is characterized in that: the length of insulating sleeve (3) is L, the length of power line (4) contact-segment (41) is L1, the length of joint (5) is L2, L > L1+L2, insulating sleeve (3) toward extension and be nested in power line (4) the section of stretching out (42) outside.
5. a kind of motor stator according to claim 1 and 2, it is characterized in that: the quantity of described the end of a thread (21) is 4, together with wherein 2 the end of a thread (21) are connected directly between with 1 power line (4) respectively, other 2 the end of a thread (21) are linked together by thermostat (7) and power line (4).
6. a kind of motor stator according to claim 5, it is characterized in that: thermostat (7) is provided with 2 pins (71), wherein 1 pin (71) links together with 2 the end of a thread (21), and another 1 pin (71) and power line (4) link together.
7. a kind of motor stator according to claim 6, it is characterized in that: be set with insulating sleeve (3) in power line (4) outside be connected with pin (71), insulating sleeve (3) is at least sleeved on the contact-segment (41) of described power line (4) and pin (71) outside.
8. a kind of motor stator according to claim 7, it is characterized in that: be set with insulating sleeve (3) in pin (71) outside be connected with the end of a thread (21), insulating sleeve (3) is at least sleeved on described pin (71) and the end of a thread (21) outside.
9. a kind of motor stator according to claim 1 and 2, it is characterized in that: be wound around outside the end of coil windings (2) and be wrapped in gummed paper (6), by wiring (8) insulating sleeve (3) colligation outside the end of coil windings (2), insulating sleeve (3) is fiberglass tubes or silicone tube.
10. a motor, comprise rotating shaft (91), rotor (92), motor stator (93), casing (94) and end cap (95), rotor (92) is arranged in rotating shaft (91), motor stator (93) and casing (94) are installed together and are nested in rotor (92) outside, end cap (95) is arranged on the end of casing (94), rotating shaft (91) two ends are bearing on the bearing of end cap (95) respectively, it is characterized in that: described motor stator (93) is the motor stator described by any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284093.5U CN204615538U (en) | 2015-05-05 | 2015-05-05 | The motor of a kind of motor stator and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284093.5U CN204615538U (en) | 2015-05-05 | 2015-05-05 | The motor of a kind of motor stator and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN204615538U true CN204615538U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520284093.5U Active CN204615538U (en) | 2015-05-05 | 2015-05-05 | The motor of a kind of motor stator and application thereof |
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| Country | Link |
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| CN (1) | CN204615538U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233644A (en) * | 2017-12-14 | 2018-06-29 | 宁波德昌电机制造有限公司 | A kind of motor stator manufacture craft |
| CN113809861A (en) * | 2021-08-13 | 2021-12-17 | 松下压缩机(大连)有限公司 | Insulation structure of F-level insulated motor suitable for compressor and insulation improving method thereof |
-
2015
- 2015-05-05 CN CN201520284093.5U patent/CN204615538U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233644A (en) * | 2017-12-14 | 2018-06-29 | 宁波德昌电机制造有限公司 | A kind of motor stator manufacture craft |
| CN113809861A (en) * | 2021-08-13 | 2021-12-17 | 松下压缩机(大连)有限公司 | Insulation structure of F-level insulated motor suitable for compressor and insulation improving method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |