CN109787422A - A kind of low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor - Google Patents
A kind of low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor Download PDFInfo
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- CN109787422A CN109787422A CN201811651366.XA CN201811651366A CN109787422A CN 109787422 A CN109787422 A CN 109787422A CN 201811651366 A CN201811651366 A CN 201811651366A CN 109787422 A CN109787422 A CN 109787422A
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Abstract
The present invention relates to a kind of low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motors, including electric machine casing and setting are in the intracorporal stator of motor casing and rotor；One end of electric machine casing is provided with first bearing and cooperates first bearing outer cover, first end cover and the first bearing inner cover of first bearing, the other end of electric machine casing is provided with second bearing and cooperates second bearing outer cover, second end cover and the second bearing inner cover of second bearing installation；Stator temperature measuring equipment and winding anti-condensation heater are provided on stator；Measuring temperature of bearing device is provided in first bearing and second bearing；It is further fixedly arranged on main power source terminal box and stator thermometric on electric machine casing and heater shares terminal box.Motor stator of the invention, rotor punching material are reduced the core loss of motor, using reducing mechanical loss from by the way of cold scattering but, improve efficiency, increased the power density of motor using low-loss, the cold-rolled silicon iron of high magnetic conduction.
Description
Technical field
The invention belongs to technical field of motor manufacture, are related to a kind of frequency converting speed regulating three-phase asynchronous electromotor, especially a kind of
Low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor.
Background technique
Oil exploitation oil well is repaired with operation, workover rig be in well workover and Downhole Construction it is most basic,
Most important power resources, and low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor of the present invention be mounted in it is vehicle-mounted
Winch is driven to carry out operation on formula workover rig.Due to vehicle space anxiety, to motor require it is compact-sized, power density is big；
Some oil wells are in residential block, want high to the noise requirements of motor, and in the prior art, most of noise of motor is big, and
Volume is big, and power density is small, and flame proof is poor.Therefore, those skilled in the art, which are badly in need of one kind, can be suitable for vehicle-mounted workover rig
The low noise explosion-proof motor of winch driving.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of low noise explosion-proof frequency conversion speed regulation three is provided
Phase asynchronous motor.
The purpose of the present invention is achieved through the following technical solutions:
This low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor, including electric machine casing and setting are in electric machine casing
Interior stator and rotor；One end of electric machine casing be provided with first bearing and cooperate first bearing first bearing outer cover,
First end cover and first bearing inner cover are provided with second bearing in the other end of electric machine casing and cooperate second bearing installation
Second bearing outer cover, second end cover and second bearing inner cover；Be provided on the stator stator temperature measuring equipment and winding it is moisture-proof plus
Hot device；Measuring temperature of bearing device is provided in the first bearing and second bearing；Master is further fixedly arranged on electric machine casing
Electric source connecting box and stator thermometric and heater share terminal box.The punching of the stator and rotor is cold-rolled silicon iron.
Further, above-mentioned electric machine casing is explosion-proof casing.
Further, motor of the invention dissipates the type of cooling using air radiation certainly.
Further, be additionally provided with photoelectric encoder in above-mentioned electric machine casing, one end of electric machine casing be additionally provided with to
The flame proof encoder protective cover of protection and isolation photoelectric encoder.
Further, above-mentioned first bearing outer cover, first end cover and first bearing inner cover and second bearing outer cover, second end
Lid and second bearing inner cover are explosion-proof lid.
Further, above-mentioned electric machine casing is arranged on motor bed-plate.
Further, the insulation system of motor of the present invention uses variable-frequency motor dedicated 180 (H) class B insulation system, using vacuum
Pressure immersion varnish (VPI) technique carries out the manufacture of motor electrical insulation system, and the ventilating and cooling noise and electromagnetism for effectively reducing motor are made an uproar
Sound.
The invention has the following advantages:
Motor stator of the invention, rotor punching material reduce motor using low-loss, the cold-rolled silicon iron of high magnetic conduction
Core loss improve efficiency using reducing mechanical loss from by the way of cold scattering but, the power for increasing motor is close
Degree.The overall length of motor of the present invention with shorten length 300mm, noise and the motor with seat No. compared with the motor of seat No.
It is that a kind of novel explosion-proof frequency conversion speed regulation compact-sized, that power density is big, noise is low is phase asynchronous compared to 20dB (A) is reduced
Motor.
Detailed description of the invention
Fig. 1 is partial sectional view of the invention；
Fig. 2 is outline structural diagram of the present invention.
Wherein: 1 is first bearing outer cover；2 be first bearing；3 be first end cover；4 be first bearing inner cover；5 be wiring
Box；6 be stator；7 be rotor；8 be electric machine casing；9 be second bearing inner cover；10 be second end cover；11 be second bearing；12 are
Second bearing outer cover；13 share terminal box for stator thermometric and heater；14 be measuring temperature of bearing terminal box；15 protect for encoder
Cover.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
Referring to Fig. 1-2: low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor of the invention, including electric machine casing 8 with
And stator 6 and rotor 7 in electric machine casing 8 are set；One end of electric machine casing 8 is provided with first bearing 2 and cooperation the
First bearing outer cover 1, first end cover 3 and the first bearing inner cover 4 of one bearing 2 are provided with second in the other end of electric machine casing 8
Bearing 11 and second bearing outer cover 12, second end cover 10 and the second bearing inner cover 9 of cooperation second bearing installation；The stator
Stator temperature measuring equipment and winding anti-condensation heater are provided on 6；Bearing survey is provided in the first bearing 2 and second bearing 3
Warm device；It is further fixedly arranged on main power source terminal box 5 and stator thermometric on electric machine casing 8 and heater shares terminal box
13。
Electric machine casing 8 of the invention is explosion-proof casing.It is additionally provided with photoelectric encoder in electric machine casing 8, in electric machine casing 8
One end be additionally provided with the flame proof encoder protective cover 15 to protect and be isolated photoelectric encoder.First bearing outer cover 1, first
End cap 3 and first bearing inner cover 4 and second bearing outer cover 12, second end cover 10 and second bearing inner cover 9 are explosion-proof lid.
Electric machine casing 8 is arranged on motor bed-plate.
In present pre-ferred embodiments, it is suitably applied vehicle-mounted workover rig and twists vehicula motor product, this motor
Effect is that driving winch carries out workover treatment.Motor bed-plate, end cap in the present invention, internal bearing cover, bearing cover, terminal box
Equal explosion-proof casings (see Fig. 1) is cast using gray cast iron HT250, in order to meet vehicle-mounted workover rig to the limit of motor volume
System, has compressed the structure of motor, is allowed to compact；It is configured with measuring temperature of bearing device, stator temperature measuring equipment, the moisture-proof heating of winding simultaneously
The thermel protection devices such as device, photoelectric encoder and intelligent detection device.
Motor of the present invention lowers the noise pollution of ventilating and cooling, motor using air radiation from by the way of cold scattering but
Slot cooperation choose low noise slot work-in parameters, insulation system use variable-frequency motor dedicated 180 (H) class B insulation system, use
Vacuum pressure impregnation (VPI) technique carries out the manufacture of motor electrical insulation system, effectively reduces the ventilating and cooling noise and electricity of motor
Magnetic noise.
Motor stator, rotor punching material reduce the iron core damage of motor using low-loss, the cold-rolled silicon iron of high magnetic conduction
Consumption, using reducing mechanical loss from by the way of cold scattering but, improves efficiency, increases the power density of motor.
The overall length of this motor with shorten length 300mm, noise and the electricity with seat No. compared with the motor of seat No.
Motivation is a kind of novel explosion-proof frequency conversion speed regulation three-phase compact-sized, power density is big, noise is low compared to 20dB (A) is reduced
Asynchronous motor.
Claims (6)
1. a kind of low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor, which is characterized in that including electric machine casing (8) and set
Set stator (6) and rotor (7) in electric machine casing (8)；One end of electric machine casing (8) be provided with first bearing (2) and
First bearing outer cover (1), first end cover (3) and the first bearing inner cover (4) for cooperating first bearing (2), in electric machine casing (8)
The other end be provided with second bearing (11) and cooperate second bearing installation second bearing outer cover (12), second end cover (10) and
Second bearing inner cover (9)；Stator temperature measuring equipment and winding anti-condensation heater are provided on the stator (6)；The first bearing
(2) and in second bearing (3) it is provided with measuring temperature of bearing device；Main power source wiring is further fixedly arranged on electric machine casing (8)
Box (5) and stator thermometric and heater share terminal box (13)；The punching of the stator (6) and rotor (7) is cold rolled silicon steel
Plate.
2. low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor according to claim 1, which is characterized in that the electricity
Casing body (8) is explosion-proof casing.
3. low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor according to claim 1, which is characterized in that using empty
Gas radiation dissipates the type of cooling certainly.
4. low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor according to claim 1, which is characterized in that the electricity
It is additionally provided with photoelectric encoder in casing body (8), is additionally provided in one end of electric machine casing (8) and is compiled to protect and be isolated photoelectricity
The flame proof encoder protective cover (15) of code device.
5. low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor according to claim 1, which is characterized in that described
One bearing cover (1), first end cover (3) and first bearing inner cover (4) and second bearing outer cover (12), second end cover (10) and
Second bearing inner cover (9) is explosion-proof lid.
6. low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor according to claim 1, which is characterized in that the electricity
Casing body (8) is arranged on motor bed-plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811651366.XA CN109787422A (en) | 2018-12-31 | 2018-12-31 | A kind of low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811651366.XA CN109787422A (en) | 2018-12-31 | 2018-12-31 | A kind of low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109787422A true CN109787422A (en) | 2019-05-21 |
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ID=66499721
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811651366.XA Pending CN109787422A (en) | 2018-12-31 | 2018-12-31 | A kind of low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713740A (en) * | 2020-12-30 | 2021-04-27 | 安徽创业机电设备有限公司 | Special three-phase asynchronous motor with vertically upward motor shaft |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201365159Y (en) * | 2009-02-19 | 2009-12-16 | 沈建生 | High-voltage explosion-proof variable-frequency speed-regulating three-phase asynchronous motor |
| CN201541190U (en) * | 2009-11-16 | 2010-08-04 | 佳木斯电机股份有限公司 | Explosion-proof type ultrahigh-efficiency three-phase asynchronous motor |
| CN102738987A (en) * | 2012-06-21 | 2012-10-17 | 无锡新大力电机有限公司 | Flameproof variable frequency speed regulation electromagnetic brake three-phase asynchronous motor for hoisting |
| CN209963914U (en) * | 2018-12-31 | 2020-01-17 | 西安泰富西玛电机有限公司 | Low-noise explosion-proof variable-frequency speed-regulating three-phase asynchronous motor |
-
2018
- 2018-12-31 CN CN201811651366.XA patent/CN109787422A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201365159Y (en) * | 2009-02-19 | 2009-12-16 | 沈建生 | High-voltage explosion-proof variable-frequency speed-regulating three-phase asynchronous motor |
| CN201541190U (en) * | 2009-11-16 | 2010-08-04 | 佳木斯电机股份有限公司 | Explosion-proof type ultrahigh-efficiency three-phase asynchronous motor |
| CN102738987A (en) * | 2012-06-21 | 2012-10-17 | 无锡新大力电机有限公司 | Flameproof variable frequency speed regulation electromagnetic brake three-phase asynchronous motor for hoisting |
| CN209963914U (en) * | 2018-12-31 | 2020-01-17 | 西安泰富西玛电机有限公司 | Low-noise explosion-proof variable-frequency speed-regulating three-phase asynchronous motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713740A (en) * | 2020-12-30 | 2021-04-27 | 安徽创业机电设备有限公司 | Special three-phase asynchronous motor with vertically upward motor shaft |
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