CN203193452U - Three-phase asynchronous motor cooled by refrigerant - Google Patents
Three-phase asynchronous motor cooled by refrigerant Download PDFInfo
- Publication number
- CN203193452U CN203193452U CN 201320051736 CN201320051736U CN203193452U CN 203193452 U CN203193452 U CN 203193452U CN 201320051736 CN201320051736 CN 201320051736 CN 201320051736 U CN201320051736 U CN 201320051736U CN 203193452 U CN203193452 U CN 203193452U
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- cold
- producing medium
- communicated
- rear end
- hole
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Abstract
The utility model discloses a three-phase asynchronous motor cooled by a refrigerant. The motor comprises a housing, a rotor iron core, a stator iron core, a rotating shaft and a rear end cover. A refrigerant distribution chamber is disposed on a rear end in the three-phase asynchronous motor. A front end of the motor is provided with a return-air chamber. An axial through-hole is disposed along an axial direction on the rotor iron core, and a radial through-hole is disposed is disposed along a radial direction. The radial through-hole and the axial through-hole are communicated. An end of the axial through-hole is communicated with the refrigerant distribution chamber, and the other end is communicated with the return-air chamber. An outer surface of the rear end cover is provided with a refrigerant liquid inlet tube. The refrigerant in the refrigerant liquid inlet tube is guided into the refrigerant distribution chamber through a tube communicated with the refrigerant liquid inlet tube. The refrigerant liquid inlet tube and the return-air chamber are both connected with an external hydraulic system. Cooling effect of the three-phase asynchronous motor is improved, and service life of the motor is prolonged.
Description
Technical field
The utility model relates to three phase induction generator, relates to a kind of three phase induction generator that adopts cold-producing medium to cool off in particular.
Background technology
Existing three phase induction generator is to adopt medium such as air to come rotor and the stator of generator are cooled off.Because generator amature easily generates heat, and the air cooling effect is poor, has caused the generator heat dispersion poor, and generator can heterodyne, has retrained the rotating speed of three phase induction generator, makes existing generating unit speed generally be lower than 2000 rev/mins.In order to improve the heat dispersion of generator, the volume of existing three phase induction generator is bigger, but also needs the extra fan that increases to have caused existing three phase induction generator structure loaded down with trivial details to its cooling of ventilating, and safeguards inconvenience.
Summary of the invention
The purpose of this utility model provides a kind of three phase induction generator with refrigerant cools, to improve the cooling effect of three phase induction generator.
Three phase induction generator with refrigerant cools described in the utility model, comprise housing, rotor core, stator core, rotating shaft and rear end cap, this rear end cap is installed in the rear end of housing, be provided with the cold-producing medium distributor chamber in the inside of three phase induction generator rear end, be provided with the return-air chamber at its front end, on rotor core, offer axially extending bore vertically, radially offer radial direction through hole, described radial direction through hole is communicated with axially extending bore, this axially extending bore one end is communicated with the cold-producing medium distributor chamber, the other end is communicated with the return-air chamber, the outer surface of described rear end cap is provided with the cold-producing medium feed tube, and the cold-producing medium in this cold-producing medium feed tube imports in the cold-producing medium distributor chamber by the conduit that is communicated with the cold-producing medium feed tube; The cold-producing medium feed tube all is connected with outside hydraulic system with the return-air chamber.
Further, in conduit, be provided with first shower nozzle, after the cold-producing medium that first shower nozzle transmits the cold-producing medium feed tube atomizes, import in the cold-producing medium distributor chamber by conduit.
Further, be equipped with shower nozzle at the front end of three phase induction generator and the upper and lower part of rear end, shower nozzle is connected with the cold-producing medium feed tube by lateral, makes cold-producing medium be sprayed at the end of stator coil, and stator coil is cooled off.
Described radial direction through hole is communicated with the gap that rotor core surface and stator core inner surface constitute, and the cooling agent in the radial direction through hole enters in the return-air chamber by described gap.
During work, the utility model is connected with hydraulic system, the rotor height rotation will produce powerful centrifugal force, be opened in axially extending bore on the rotor core vertically under centrifugal action, powerful negative pressure will be produced, cold-producing medium is under the effect of negative pressure, enter the axially extending bore from the cold-producing medium distributor chamber, in axially extending bore, progressively accelerate and the vaporization of absorbing heat, it is indoor finally to enter return-air, has realized the cooling to rotor core, and some cold-producing medium flows out from radial direction through hole at the same time, and indoor along the gap outflow return-air of rotor surface and stator core inner surface formation, realized the cooling to rotor core and stator core.Be placed in second shower nozzle at the two ends of stator coil, the jet-action of the aperture by the second shower nozzle inside, mist of refrigerant is changed into the cold-producing medium of steam fog shape, be sprayed at the end of stator coil, stator coil is cooled off, finally enter the return-air chamber, the return-air chamber links to each other with hydraulic system by pipeline, in hydraulic system, be cooled to liquid, continue to recycle.
Three phase induction generator with refrigerant cools described in the utility model, owing to have said structure, when work, cold-producing medium cools off rotor core, stator core and stator coil respectively, it is better to adopt this kind to carry out cooling effect, thereby do not need extra comparatively huge cooling device, make that the volume of this closed generator is littler, weight is lighter, the long-term operation that generator also can efficient stable.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
In order further to explain the technical solution of the utility model, the utility model is elaborated below by coming by reference to the accompanying drawings.
As shown in Figure 1, this uses the three phase induction generator of refrigerant cools, comprise housing 11, rotor core 13, stator core 12, rotating shaft 14 and rear end cap 1, this rear end cap 1 is installed in the rear end of housing 11, rear port sealing with housing 11, be provided with cold-producing medium distributor chamber 4 in the inside of three phase induction generator rear end, be provided with return-air chamber 9 at its front end, on rotor core 13, offer axially extending bore 10 vertically, radially offer radial direction through hole 6, described radial direction through hole 6 is communicated with the gap 7 of axially extending bore 10 and rotor core surface and stator core inner surface formation respectively, and the cooling agent in the radial direction through hole 6 is entered in the return-air chamber 9 by gap 7.One end of described axially extending bore 10 is communicated with cold-producing medium distributor chamber 4, the other end is communicated with return-air chamber 9, the outer surface of described rear end cap 1 is provided with cold-producing medium feed tube 5, and the cold-producing medium in this cold-producing medium feed tube 5 imports the cold-producing medium atomizing back that cold-producing medium feed tube 5 transmits in the cold-producing medium distributor chamber 4 by conduit 3 and first shower nozzle 2 that is arranged in the conduit.Upper and lower part in three phase induction generator front end and rear end is equipped with second shower nozzle, 8, the second shower nozzles 8 and is connected with cold-producing medium feed tube 5 by lateral, makes cold-producing medium be sprayed at the end of stator coil, and stator coil is cooled off.
In actual application, cold-producing medium feed tube 5 in the utility model all is connected with outside hydraulic system with return-air chamber 9, this hydraulic system is liquid with the condensation of refrigerant that is gaseous state in the return-air chamber 9, and by hydraulic pump the cold-producing medium of liquid state is boosted and to pump in the cold-producing medium feed tube 5, realize the cooling to three phase induction generator.
Claims (4)
1. three phase induction generator with refrigerant cools, comprise housing (11), rotor core (13), stator core (12), rotating shaft (14) and rear end cap (1), this rear end cap is installed in the rear end of housing, it is characterized in that: be provided with cold-producing medium distributor chamber (4) in the inside of three phase induction generator rear end, be provided with return-air chamber (9) at its front end, on rotor core, offer axially extending bore (10) vertically, radially offer radial direction through hole (6), described radial direction through hole is communicated with axially extending bore, one end of this axially extending bore is communicated with the cold-producing medium distributor chamber, the other end is communicated with the return-air chamber, the outer surface of described rear end cap is provided with cold-producing medium feed tube (5), and the cold-producing medium in this cold-producing medium feed tube imports in the cold-producing medium distributor chamber by the conduit (3) that is communicated with the cold-producing medium feed tube; Described cold-producing medium feed tube (5) all is connected with outside hydraulic system with return-air chamber (9).
2. according to the described three phase induction generator with refrigerant cools of claim 1, it is characterized in that: in conduit (3), be provided with first shower nozzle (2).
3. according to claim 1 or 2 described three phase induction generators with refrigerant cools, it is characterized in that: be equipped with second shower nozzle (8) at the front end of three phase induction generator and the upper and lower part of rear end, second shower nozzle (8) is connected with cold-producing medium feed tube (5) by lateral, makes cold-producing medium be sprayed at the end of stator coil.
4. according to the described three phase induction generator with refrigerant cools of claim 3, it is characterized in that: described radial direction through hole (6) is communicated with the gap (7) that rotor core surface and stator core inner surface constitute, and the cooling agent in the radial direction through hole enters in the return-air chamber (9) by described gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051736 CN203193452U (en) | 2013-01-30 | 2013-01-30 | Three-phase asynchronous motor cooled by refrigerant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051736 CN203193452U (en) | 2013-01-30 | 2013-01-30 | Three-phase asynchronous motor cooled by refrigerant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203193452U true CN203193452U (en) | 2013-09-11 |
Family
ID=49110281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320051736 Expired - Fee Related CN203193452U (en) | 2013-01-30 | 2013-01-30 | Three-phase asynchronous motor cooled by refrigerant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203193452U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297795A (en) * | 2017-06-28 | 2017-10-27 | 青岛红强伟业机械有限公司 | High speed grooving apparatus and edge banding machine |
| CN112165217A (en) * | 2020-08-05 | 2021-01-01 | 珠海市智川科技有限公司 | Intelligent temperature control servo motor and working principle thereof |
-
2013
- 2013-01-30 CN CN 201320051736 patent/CN203193452U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297795A (en) * | 2017-06-28 | 2017-10-27 | 青岛红强伟业机械有限公司 | High speed grooving apparatus and edge banding machine |
| CN112165217A (en) * | 2020-08-05 | 2021-01-01 | 珠海市智川科技有限公司 | Intelligent temperature control servo motor and working principle thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20200130 |