Search

CN-121984278-A - Energy-saving generator stator structure for enhancing vibration resistance

CN121984278ACN 121984278 ACN121984278 ACN 121984278ACN-121984278-A

Abstract

The invention discloses an energy-saving generator stator structure for enhancing vibration resistance, and relates to the technical field of generators. The stator core comprises a machine body, a stator core movably arranged in the machine body, a liquid resistance component arranged between the machine body and the stator core and used for enhancing vibration resistance of the stator core, and external circulation components symmetrically arranged on two sides of the machine body and used for assisting heat dissipation. According to the invention, the threaded joint of the threaded convex rail and the threaded groove is skillfully utilized, so that the stator sleeve seat is not easy to fall off, on the one hand, when the stator core drives the stator sleeve seat to vibrate, hydraulic oil between the machine body and the stator sleeve seat can be pushed to the inlet end of the oil delivery pipe in a bit-by-bit manner along the spiral track of the threaded convex rail and the threaded groove, the stator core is driven by the vibration force of the stator core, the self-circulating hydraulic oil is utilized to absorb the vibration force and simultaneously emit heat in the equipment, and a more comprehensive protection effect is achieved on the equipment.

Inventors

  • LI WEIDONG
  • WANG HUI
  • WANG ZHONGJIAO
  • WU RUIWEI
  • TU YIN
  • ZENG CONG

Assignees

  • 广东大唐国际潮州发电有限责任公司

Dates

Publication Date
20260505
Application Date
20260209

Claims (10)

  1. 1. The utility model provides an energy-conserving generator stator structure of reinforcing vibration resistance, includes fuselage (1) and activity setting stator core (2) inside fuselage (1), its characterized in that still includes: the liquid resistance component is arranged between the machine body (1) and the stator iron core (2) and used for enhancing the vibration resistance of the stator iron core (2), and the external circulation components are symmetrically arranged at two sides of the machine body (1) and used for assisting in heat dissipation; The liquid resistance assembly comprises a stator sleeve seat (7) fixed outside the stator core (2), and a thread convex rail (9) fixed on the outer wall of the stator sleeve seat (7); The external circulation assembly comprises an oil delivery pipe (11) with two ends fixedly inserted into the surface of the machine body (1) and a heat dissipation box (6) communicated with the middle of the oil delivery pipe (11).
  2. 2. The energy-saving generator stator structure for enhancing vibration resistance according to claim 1, wherein a stator winding (3) is movably inserted in an iron core slot of the stator iron core (2); epoxy glue (4) is poured into the core slots of the stator core (2).
  3. 3. An energy-saving generator stator structure with enhanced vibration resistance according to claim 2, characterized in that a gap is left between the main body (1) and the stator housing (7); hydraulic oil is filled in a gap between the machine body (1) and the stator sleeve seat (7).
  4. 4. The energy-saving generator stator structure for enhancing vibration resistance according to claim 3, wherein the two ends of the outer wall of the stator sleeve seat (7) are flexibly and hermetically connected with the inner wall of the generator body (1) through an elastic gasket (8).
  5. 5. The energy-saving generator stator structure for enhancing vibration resistance according to claim 4, wherein the hydraulic resistance assembly further comprises a thread groove (10) formed on the inner wall of the generator body (1); the spiral track of the thread convex rail (9) is consistent with the spiral track of the thread groove (10); the size of the thread groove (10) is larger than that of the thread convex rail (9), and the thread convex rail (9) shakes in the thread groove (10).
  6. 6. The energy-saving generator stator structure for enhancing vibration resistance according to claim 5, wherein two ends of the oil delivery pipe (11) penetrate through the machine body (1) and are communicated with a gap between the machine body (1) and the stator sleeve seat (7); The oil delivery pipe (11) is in an obvious inclined state.
  7. 7. The energy-saving generator stator structure with enhanced vibration resistance according to claim 6, wherein the external circulation assembly further comprises micro piezoelectric diaphragm pumps (5) arranged at both ends of each group of oil delivery pipes (11); wherein, the two groups of the micro piezoelectric diaphragm pumps (5) have obvious height difference.
  8. 8. The energy-saving generator stator structure for enhancing vibration resistance according to claim 7, wherein one end of the heat dissipation box (6) is provided with a filler pipe (12) in communication; the opening of the oil filler pipe (12) faces upwards, and the inclination angle between the oil filler pipe (12) and the radiating box (6) is opposite.
  9. 9. The energy-saving generator stator structure for enhancing vibration resistance according to claim 8, wherein two sets of flow dividing plates (13) are fixed inside the heat dissipation box (6); The cross section of the flow distribution plate (13) is in an inverted V shape, and the surface of the flow distribution plate (13) is polished; the two groups of the flow dividing plates (13) are vertically and alternately distributed; the two ends of the two groups of flow dividing plates (13) are respectively spaced from the inner wall of the heat dissipation box (6) obviously.
  10. 10. The energy-saving generator stator structure for enhancing vibration resistance according to claim 9, wherein one end of the oil delivery pipe (11) extends to the inside of the heat dissipation box (6) and then directly abuts against the folded corner of one group of flow distribution plates (13) beyond one end of the oil injection pipe (12); The other end of the oil delivery pipe (11) is flush with the inner wall of the bottom of the radiating box (6).

Description

Energy-saving generator stator structure for enhancing vibration resistance Technical Field The invention relates to the technical field of generators, in particular to an energy-saving generator stator structure for enhancing vibration resistance. Background The generator is a core electric device for converting mechanical energy into electric energy, and mainly consists of a rotating rotor and a stationary stator. The stator serves as a key stationary component of the generator, and comprises a stator core and stator windings embedded in the stator core, and plays a core role in generating and outputting electric energy. During operation, the stator is subjected to a periodic electromagnetic force generated by the rotating magnetic field of the rotor. The continuous electromagnetic exciting force can cause vibration of the stator, and long-term vibration can cause insulation abrasion and loosening of the winding and even damage of the stator. Currently, technical schemes of adding elastic elements such as a spring damper, a rubber vibration isolator and the like between a stator and a machine base are commonly adopted in the industry. Such solutions rely on deformation of the elastic element to absorb and dissipate the vibration energy, thereby forming a flexible buffer interface between the stator and the housing. The measure effectively reduces the transmission of stator vibration to the machine base and the foundation, relieves the friction and collision between the stator and the adjacent supporting structure caused by the vibration to a certain extent, and has positive effects on protecting the insulation and the structural integrity of the stator. However, although the introduction of the elastic element can attenuate vibration energy, the reaction force generated when the elastic element is reset after deformation can reversely excite the stator, so that the amplitude of the stator is amplified, and the dynamic stability time is prolonged. The risk of fretting wear between the stator end winding and other fragile components and between the stator end winding and the groove wall and the support is instead exacerbated by long-term low-frequency shaking. In addition, vibration energy is converted into heat energy in the system, if the heat dissipation design is insufficient, local temperature rise is caused, and insulation aging is further accelerated. In order to solve the above problems, innovative design is urgently needed on the basis of the original energy-saving generator stator structure for enhancing vibration resistance. Disclosure of Invention The technical scheme of the invention aims at solving the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly aims to provide an energy-saving generator stator structure for enhancing vibration resistance so as to solve the problem that the elastic element provided by the background art leads to the amplitude amplification of a stator. In order to achieve the above purpose, the invention provides the technical scheme that the energy-saving generator stator structure for enhancing vibration resistance comprises a machine body, a stator core movably arranged in the machine body, and further comprises: The liquid resistance component is arranged between the machine body and the stator iron core and used for enhancing the vibration resistance of the stator iron core, and the external circulation components are symmetrically arranged on two sides of the machine body and used for assisting in heat dissipation; The liquid resistance assembly comprises a stator sleeve seat fixed outside the stator core and a threaded convex rail fixed on the outer wall of the stator sleeve seat; the external circulation assembly comprises an oil delivery pipe with two ends fixedly inserted on the surface of the machine body and a heat dissipation box communicated with the middle of the oil delivery pipe. Preferably, a stator winding is movably inserted in the iron core slot of the stator iron core; epoxy glue is poured into the core slots of the stator core. Preferably, a gap is reserved between the machine body and the stator sleeve seat; Hydraulic oil is filled in a gap between the machine body and the stator sleeve seat. Preferably, the two ends of the outer wall of the stator sleeve seat are flexibly and hermetically connected with the inner wall of the machine body through an elastic gasket. Preferably, the hydraulic resistance component further comprises a thread groove formed in the inner wall of the machine body; The spiral track of the thread convex track is consistent with the spiral track of the thread groove; the size of the thread groove is larger than that of the thread convex rail, and the thread convex rail shakes in the thread groove. Preferably, two ends of the oil delivery pipe penetrate through gaps between the machine body and the stator sleeve seat and are communicated w