CN205092745U - Three -phase asynchronous motor - Google Patents
Three -phase asynchronous motor Download PDFInfo
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- CN205092745U CN205092745U CN201520904025.4U CN201520904025U CN205092745U CN 205092745 U CN205092745 U CN 205092745U CN 201520904025 U CN201520904025 U CN 201520904025U CN 205092745 U CN205092745 U CN 205092745U
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- rotor
- stator
- threephase asynchronous
- fan
- phase asynchronous
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- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims abstract description 10
- 230000007935 neutral effect Effects 0.000 claims abstract description 5
- 230000008520 organization Effects 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 abstract 2
- 239000002131 composite material Substances 0.000 abstract 1
- 239000002356 single layer Substances 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 241000931705 Cicada Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model relates to a motor technical field has solved the relatively poor technical problem of three -phase asynchronous motor's frequency conversion performance among the prior art, through providing a three -phase asynchronous motor, including rotor, stator and variable frequency speed control mechanism, the rotor includes symmetric connection's the first rotor and the second rotor, outside the stator lay in the rotor, the end cover was connected to stator one end, sets up the bearing cap on the end cover, the rotor both ends are connected with the pivot, and one side that the pivot is connected to the rotor is equipped with the fan, and the fan has the housing outward, just the housing is fixed on the stator, variable frequency speed control mechanism is including setting up single -layer and double -layer composite winding and the electric capacity resistance on the circuit board on the stator, single and two layer winding's electric capacity and the grounding of neutral point through establishing ties, and then realized the technological effect that can improve this three -phase asynchronous motor's frequency conversion performance.
Description
Technical field
The utility model relates to motor technology field, particularly relates to a kind of threephase asynchronous.
Background technology
Existing threephase asynchronous all adopts frequency conversion type speed adjusting gear, but existing frequency conversion type threephase asynchronous easily produces covibration, thus the normal use of impact.
Therefore, the technical problem of the frequency conversion poor-performing of threephase asynchronous of the prior art.
Utility model content
The utility model, by providing a kind of threephase asynchronous, solves the technical problem of the frequency conversion poor-performing of threephase asynchronous in prior art, and then achieves the technique effect of the frequency conversion performance that can improve this threephase asynchronous.
In order to solve the problems of the technologies described above, the technical scheme of the utility model embodiment is as follows:
A kind of threephase asynchronous, comprise rotor, stator and frequency variable speed-adjusting mechanism, described rotor comprises the first rotor and second rotor of symmetrical connection, described stator is positioned at outside rotor, stator one end connects end cap, end cap arranges bearing cap, described two ends of rotor is connected with rotating shaft, the side of rotor connection rotating shaft is provided with fan, case is had outside fan, and described case is fixed on described stator, frequency variable speed-adjusting mechanism comprises the double-deck capacitance resistance closed very much on winding and circuit board of the list be arranged on stator, the neutral point of described single and two layer winding passes through electric capacity and the grounding through resistance of series connection.
Further, described case is provided with ventilation hole.
Further, described frequency variable speed-adjusting mechanism also comprises controlling organization, and described controlling organization is arranged on described circuit board.
Further, described the first rotor is connected by connecting portion with the second rotor.
The one or more technical schemes provided in the utility model embodiment, at least have following technique effect or advantage:
Owing to adopting rotor in this threephase asynchronous, stator and frequency variable speed-adjusting mechanism, this rotor comprises the first rotor and second rotor of symmetrical connection, this stator is positioned at outside rotor, stator one end connects end cap, end cap arranges bearing cap, this two ends of rotor connection rotating shaft, rotor side is provided with fan, case is had outside fan, this case is fixed on stator, frequency variable speed-adjusting mechanism comprises and is arranged on the single two-layer hybrid winding on stator and the capacitance resistance on circuit board, the neutral point of this single and two layer winding passes through electric capacity and the grounding through resistance of series connection, solve the technical problem of the frequency conversion poor-performing of threephase asynchronous in prior art, and then achieve the technique effect of the frequency conversion performance that can improve threephase asynchronous.
Accompanying drawing explanation
Fig. 1 is the structural representation of threephase asynchronous in the utility model embodiment.
Embodiment
The utility model embodiment, by providing a kind of threephase asynchronous, solves the technical problem of the frequency conversion poor-performing of threephase asynchronous in prior art, and then achieves the technique effect of the frequency conversion performance that can improve this threephase asynchronous.
In order to solve the technical problem of the frequency conversion poor-performing of threephase asynchronous in above-mentioned prior art, below in conjunction with Figure of description and concrete execution mode, technique scheme is described in detail.
The utility model embodiment provides a kind of threephase asynchronous, as shown in Figure 1, this threephase asynchronous comprises rotor 10, stator 20 and frequency variable speed-adjusting mechanism, this rotor 10 comprises the first rotor 101 and second rotor 102 of symmetrical connection, this stator 20 is positioned at outside this rotor 10, this stator 20 one end connects end cap 201, end cap 201 is arranged bearing cap 202, this rotor 10 two ends connection rotating shaft 103, 104, the side of rotor 10 connection rotating shaft 103 is provided with fan 105, this fan 105 is outside equipped with case 106, this case 106 is fixed on stator 20, frequency variable speed-adjusting mechanism comprises the capacitance resistance of the two mixed winding 301 of the list be arranged on stator 20 and circuit board 302, the neutral point of this single and two layer winding 301 passes through electric capacity and the grounding through resistance of series connection.Concrete, this case 106 is provided with ventilation hole, and this frequency variable speed-adjusting mechanism also comprises controlling organization 303, and this controlling organization 303 is arranged on this circuit board 302, can realize the regulating and controlling to this frequency variable speed-adjusting mechanism.This first rotor is connected by the connecting portion arranged on opposite sides with the second rotor.
Effectively can suppress current harmonics by the interaction between the charged phase line of the double-deck coiling of above-mentioned list, reduce irregularity of wave form, decrease coiling amount simultaneously, simplify operation.
Easily producing electromagnetic noise, electric current is unstable, rotor loss is large technical problem to overcome existing motor, adopt two joint rotors, the first rotor and the second rotor, and this two joints rotor being connected by the connector on relative two sides, avoids rotor loss.
The fan, case etc. of above-mentioned employing, can effectively dispel the heat.
Above-mentionedly all facilitation is played to the frequency conversion performance of this threephase asynchronous, thus improve frequency conversion performance.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (4)
1. a threephase asynchronous, it is characterized in that, comprise rotor, stator and frequency variable speed-adjusting mechanism, described rotor comprises the first rotor and second rotor of symmetrical connection, described stator is positioned at outside rotor, stator one end connects end cap, end cap arranges bearing cap, described two ends of rotor is connected with rotating shaft, the side of rotor connection rotating shaft is provided with fan, case is had outside fan, and described case is fixed on described stator, frequency variable speed-adjusting mechanism comprises and is arranged on the single two-layer hybrid winding on stator and the capacitance resistance on circuit board, the neutral point of described single and two layer winding passes through electric capacity and the grounding through resistance of series connection.
2. threephase asynchronous according to claim 1, is characterized in that, described case is provided with ventilation hole.
3. threephase asynchronous according to claim 1, is characterized in that, described frequency variable speed-adjusting mechanism also comprises controlling organization, and described controlling organization is arranged on described circuit board.
4. threephase asynchronous according to claim 1, is characterized in that, described the first rotor is connected by connecting portion with the second rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520904025.4U CN205092745U (en) | 2015-11-13 | 2015-11-13 | Three -phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520904025.4U CN205092745U (en) | 2015-11-13 | 2015-11-13 | Three -phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205092745U true CN205092745U (en) | 2016-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520904025.4U Expired - Fee Related CN205092745U (en) | 2015-11-13 | 2015-11-13 | Three -phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205092745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245074A (en) * | 2015-11-13 | 2016-01-13 | 乐山三缘电机有限公司 | Three-phase asynchronous motor |
-
2015
- 2015-11-13 CN CN201520904025.4U patent/CN205092745U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245074A (en) * | 2015-11-13 | 2016-01-13 | 乐山三缘电机有限公司 | Three-phase asynchronous motor |
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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 |
Granted publication date: 20160316 Termination date: 20181113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |