CN105245074A - Three-phase asynchronous motor - Google Patents
Three-phase asynchronous motor Download PDFInfo
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- CN105245074A CN105245074A CN201510775042.7A CN201510775042A CN105245074A CN 105245074 A CN105245074 A CN 105245074A CN 201510775042 A CN201510775042 A CN 201510775042A CN 105245074 A CN105245074 A CN 105245074A
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- rotor
- stator
- threephase asynchronous
- frequency conversion
- fan
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- 238000004804 winding Methods 0.000 claims abstract description 10
- 230000007935 neutral effect Effects 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000008520 organization Effects 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008844 regulatory mechanism Effects 0.000 abstract 2
- 239000003990 capacitor 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 invention relates to the technical field of a motor, and solves the technical problem of poor frequency conversion performance of a three-phase asynchronous motor in the prior art. The provided three-phase asynchronous motor comprises a rotor, a stator and a frequency conversion speed regulation mechanism; the rotor comprises a first rotor body and a second rotor body which are symmetrically connected, the stator is located outside the rotor, one end of the stator is connected with an end cover, the end cover is provided with a bearing cover, two end of the rotor are connected with rotary shafts, one side of the rotor connected with the corresponding rotary shaft is provided with a fan, a cover casing is disposed outside the fan, and the cover casing is fixed to the stator; and the frequency conversion speed regulation mechanism comprises a single- and double-layer mixing winding disposed on the stator and a capacitance resistor on a circuit board, the neutral point of the single- and double-layer winding is grounded through a capacitor and a resistor connected in serials, and then the technical effect that frequency conversion performance of the three-phase asynchronous motor can be improved is achieved.
Description
Technical field
The present invention relates to motor technology field, particularly relate 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.
Summary of the invention
The present invention, 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 embodiment of the present invention 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 embodiment of the present invention, 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 embodiment of the present invention.
Embodiment
The embodiment of the present invention, 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.
Embodiments provide 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 describe the preferred embodiments of the present invention, 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 scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention 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 |
|---|---|---|---|
| CN201510775042.7A CN105245074A (en) | 2015-11-13 | 2015-11-13 | Three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510775042.7A CN105245074A (en) | 2015-11-13 | 2015-11-13 | Three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105245074A true CN105245074A (en) | 2016-01-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510775042.7A Pending CN105245074A (en) | 2015-11-13 | 2015-11-13 | Three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105245074A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3509188A1 (en) * | 1985-03-14 | 1986-09-18 | Deutsche Vortex GmbH, 4050 Mönchengladbach | Electrical spherical motor |
| US6720689B2 (en) * | 2001-12-11 | 2004-04-13 | Black & Decker Inc. | Brushless motor having capacitors mounted on sidewall of motor housing |
| CN100438308C (en) * | 2000-04-11 | 2008-11-26 | 卡维柯有限公司 | Single-phase motor for submersible pump |
| CN103730996A (en) * | 2013-09-30 | 2014-04-16 | 江苏环球特种电机有限公司 | Variable-frequency adjustable speed three-phase asynchronous motor |
| CN205092745U (en) * | 2015-11-13 | 2016-03-16 | 乐山三缘电机有限公司 | Three -phase asynchronous motor |
-
2015
- 2015-11-13 CN CN201510775042.7A patent/CN105245074A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3509188A1 (en) * | 1985-03-14 | 1986-09-18 | Deutsche Vortex GmbH, 4050 Mönchengladbach | Electrical spherical motor |
| CN100438308C (en) * | 2000-04-11 | 2008-11-26 | 卡维柯有限公司 | Single-phase motor for submersible pump |
| US6720689B2 (en) * | 2001-12-11 | 2004-04-13 | Black & Decker Inc. | Brushless motor having capacitors mounted on sidewall of motor housing |
| CN103730996A (en) * | 2013-09-30 | 2014-04-16 | 江苏环球特种电机有限公司 | Variable-frequency adjustable speed three-phase asynchronous motor |
| CN205092745U (en) * | 2015-11-13 | 2016-03-16 | 乐山三缘电机有限公司 | Three -phase asynchronous motor |
Non-Patent Citations (1)
| Title |
|---|
| 姜庆乐: "《中华人民共和国职业技能鉴定规范》", 30 June 1998 * |
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| CB02 | Change of applicant information |
Address after: Willow town of Wutongqiao District 614000 in Sichuan province Leshan City Traffic Street No. 68 Applicant after: LESHAN SANYUAN ELECTRICAL MACHINERY CO., LTD. Address before: Willow town of Wutongqiao District 614000 in Sichuan province Leshan City Traffic Street No. 8 Applicant before: LESHAN SANYUAN ELECTRICAL MACHINERY CO., LTD. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160113 |