CN209963914U - Low-noise explosion-proof variable-frequency speed-regulating three-phase asynchronous motor - Google Patents
Low-noise explosion-proof variable-frequency speed-regulating three-phase asynchronous motor Download PDFInfo
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- CN209963914U CN209963914U CN201822267419.XU CN201822267419U CN209963914U CN 209963914 U CN209963914 U CN 209963914U CN 201822267419 U CN201822267419 U CN 201822267419U CN 209963914 U CN209963914 U CN 209963914U
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Abstract
The utility model relates to a low-noise flame-proof type variable-frequency speed-regulation three-phase asynchronous motor, which comprises a motor shell, a stator and a rotor, wherein the stator and the rotor are arranged in the motor shell; a first bearing, a first bearing outer cover, a first end cover and a first bearing inner cover which are matched with the first bearing are arranged at one end of the motor shell, and a second bearing, a second bearing outer cover, a second end cover and a second bearing inner cover which are matched with the second bearing are arranged at the other end of the motor shell; the stator is provided with a stator temperature measuring device and a winding damp-proof heater; bearing temperature measuring devices are arranged on the first bearing and the second bearing; the motor shell is also fixedly provided with a main power supply junction box and a common junction box of the stator temperature measuring and heating device. The utility model discloses a motor stator, rotor punching material adopt the cold rolling silicon steel sheet of low-loss, high magnetic conduction, have reduced the iron core loss of motor, adopt to scatter refrigerated mode certainly and have reduced mechanical loss, have improved efficiency, have increased the power density of motor.
Description
Technical Field
The utility model belongs to the technical field of the motor is made, a Variable Frequency Speed Governing (VFSG) three-phase asynchronous motor is related to, especially a low noise flame proof type VFSG three-phase asynchronous motor.
Background
The oil well is repaired along with the operation needs, and the workover rig is the basic, the most main power source in workover and borehole operation construction, and the utility model relates to a low noise flame proof type variable frequency speed governing three-phase asynchronous motor is installed and is driven the winch and carry out the operation on the vehicular workover rig. Because the space of the vehicle is tense, the motor is required to have compact structure and high power density; some oil wells are in residential areas, the noise requirement on the motor is high, and in the prior art, most motors are large in noise, large in size, low in power density and poor in explosion-proof performance. Therefore, a low-noise explosion-proof motor suitable for driving a vehicle-mounted workover rig winch is urgently needed by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a low noise flame-proof type variable frequency speed governing three-phase asynchronous motor.
The purpose of the utility model is realized through the following technical scheme:
the low-noise flame-proof type variable-frequency speed-regulating three-phase asynchronous motor comprises a motor shell, a stator and a rotor, wherein the stator and the rotor are arranged in the motor shell; a first bearing, a first bearing outer cover, a first end cover and a first bearing inner cover which are matched with the first bearing are arranged at one end of the motor shell, and a second bearing, a second bearing outer cover, a second end cover and a second bearing inner cover which are matched with the second bearing are arranged at the other end of the motor shell; the stator is provided with a stator temperature measuring device and a winding damp-proof heater; bearing temperature measuring devices are arranged on the first bearing and the second bearing; the motor shell is also fixedly provided with a main power supply junction box and a common junction box of the stator temperature measuring and heating device. And the punching sheets of the stator and the rotor are cold-rolled silicon steel plates.
Further, the motor housing is an explosion-proof housing.
Further, the utility model discloses a motor adopts the air radiation cooling mode of loosing oneself.
Further, still be provided with photoelectric encoder in above-mentioned motor casing, still be provided with the flame proof encoder safety cover that is used for protecting and keeps apart photoelectric encoder at motor casing's one end.
Further, the first bearing outer cover, the first end cover, the first bearing inner cover, the second bearing outer cover, the second end cover and the second bearing inner cover are all explosion-proof cover bodies.
Further, the motor housing is disposed on the motor base.
Further, the utility model discloses the insulation system of motor adopts the special 180(H) level insulation system of inverter motor, adopts vacuum pressure dip coating (VPI) technology to carry out motor insulation system's manufacturing, has effectively reduced the ventilation cooling noise and the electromagnetic noise of motor.
The utility model discloses following beneficial effect has:
the utility model discloses a motor stator, rotor punching material adopt the cold rolling silicon steel sheet of low-loss, high magnetic conduction, have reduced the iron core loss of motor, adopt to scatter refrigerated mode certainly and have reduced mechanical loss, have improved efficiency, have increased the power density of motor. The utility model discloses the total length of motor is compared with the motor with the frame number and is shortened length 300mm, and the noise is compared with the motor with the frame number and is reduced 20dB (A), is a compact structure, power density is big, the novel flame proof type variable frequency speed control three-phase asynchronous motor of low noise.
Drawings
Fig. 1 is a partial cross-sectional view of the present invention;
fig. 2 is a schematic view of the appearance structure of the present invention.
Wherein: 1 is a first bearing outer cover; 2 is a first bearing; 3 is a first end cover; 4 is a first bearing inner cover; 5 is a junction box; 6 is a stator; 7 is a rotor; 8 is a motor shell; 9 is a second bearing inner cover; 10 is a second end cap; 11 is a second bearing; 12 is a second bearing outer cover; 13 is a common junction box of the stator temperature measurement and the heater; 14 is a bearing temperature measuring junction box; and 15 is an encoder protective cover.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to FIGS. 1-2: the utility model discloses a low-noise flame-proof type variable-frequency speed-regulation three-phase asynchronous motor, which comprises a motor shell 8, a stator 6 and a rotor 7, wherein the stator 6 and the rotor 7 are arranged in the motor shell 8; a first bearing 2, a first bearing outer cover 1, a first end cover 3 and a first bearing inner cover 4 which are matched with the first bearing 2 are arranged at one end of a motor shell 8, and a second bearing 11, a second bearing outer cover 12, a second end cover 10 and a second bearing inner cover 9 which are matched with the second bearing are arranged at the other end of the motor shell 8; a stator temperature measuring device and a winding damp-proof heater are arranged on the stator 6; bearing temperature measuring devices are arranged on the first bearing 2 and the second bearing 11; a main power supply terminal box 5 and a stator temperature measuring and heater common terminal box 13 are also fixedly arranged on the motor housing 8.
The utility model discloses a motor casing 8 is explosion-proof casing. A photoelectric encoder is further arranged in the motor shell 8, and an explosion-proof encoder protective cover 15 used for protecting and isolating the photoelectric encoder is further arranged at one end of the motor shell 8. The first bearing outer cover 1, the first end cover 3, the first bearing inner cover 4, the second bearing outer cover 12, the second end cover 10 and the second bearing inner cover 9 are all explosion-proof cover bodies. The motor housing 8 is arranged on the motor base.
The utility model discloses in the preferred embodiment, be fit for being applied to vehicular workover rig motor product for winch, the effect of this motor is that the drive winch carries out the workover operation. The explosion-proof shell (see figure 1) such as the motor base, the end cover, the bearing inner cover, the bearing outer cover, the junction box and the like in the utility model is cast by gray cast iron HT250, and in order to meet the limit of the vehicle-mounted workover rig on the volume of the motor, the structure of the motor is compressed to make the motor compact; meanwhile, a bearing temperature measuring device, a stator temperature measuring device, a winding damp-proof heater, a photoelectric encoder and other thermal protection devices and intelligent detection devices are configured.
The utility model discloses the motor adopts the air radiation to reduce ventilated cooling's noise pollution from scattered refrigerated mode, and the groove cooperation parameter of low noise is selected in the groove cooperation of motor, and insulating system adopts the special 180(H) level insulating system of inverter motor, adopts vacuum pressure dip coating (VPI) technology to carry out motor insulating system's manufacturing, has effectively reduced ventilated cooling noise and the electromagnetic noise of motor.
The motor stator and rotor punching sheets are made of cold-rolled silicon steel plates with low loss and high magnetic conductivity, so that the iron core loss of the motor is reduced, the mechanical loss is reduced by adopting a self-cooling mode, the efficiency is improved, and the power density of the motor is increased.
The total length of the motor is shortened by 300mm compared with the motor with the same base number, the noise is reduced by 20dB (A) compared with the motor with the same base number, and the motor is a novel flame-proof variable-frequency speed-regulating three-phase asynchronous motor with compact structure, high power density and low noise.
Claims (6)
1. A low-noise flame-proof type variable-frequency speed-regulation three-phase asynchronous motor is characterized by comprising a motor shell (8), and a stator (6) and a rotor (7) which are arranged in the motor shell (8); a first bearing (2), a first bearing outer cover (1), a first end cover (3) and a first bearing inner cover (4) which are matched with the first bearing (2) are arranged at one end of the motor shell (8), and a second bearing (11), a second bearing outer cover (12), a second end cover (10) and a second bearing inner cover (9) which are matched with the second bearing to be installed are arranged at the other end of the motor shell (8); the stator (6) is provided with a stator temperature measuring device and a winding damp-proof heater; bearing temperature measuring devices are arranged on the first bearing (2) and the second bearing (11); a main power supply junction box (5) and a common junction box (13) for the stator temperature measurement and the heater are also fixedly arranged on the motor shell (8); and the punching sheets of the stator (6) and the rotor (7) are cold-rolled silicon steel plates.
2. A low noise flameproof variable frequency speed three-phase asynchronous motor according to claim 1, characterized in that the motor housing (8) is an explosion-proof housing.
3. The low-noise flame-proof type variable-frequency speed-regulating three-phase asynchronous motor according to claim 1 is characterized in that an air radiation self-dispersion cooling mode is adopted.
4. A low noise flame-proof type variable frequency speed three-phase asynchronous motor according to claim 1, characterized in that a photoelectric encoder is further arranged in the motor casing (8), and a flame-proof encoder protective cover (15) for protecting and isolating the photoelectric encoder is further arranged at one end of the motor casing (8).
5. The low-noise explosion-proof variable-frequency speed-regulating three-phase asynchronous motor according to claim 1, wherein the first bearing outer cover (1), the first end cover (3), the first bearing inner cover (4), the second bearing outer cover (12), the second end cover (10) and the second bearing inner cover (9) are explosion-proof cover bodies.
6. A low noise flameproof variable frequency speed three-phase asynchronous motor according to claim 1, characterized in that the motor housing (8) is arranged on the motor base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267419.XU CN209963914U (en) | 2018-12-31 | 2018-12-31 | Low-noise explosion-proof variable-frequency speed-regulating three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267419.XU CN209963914U (en) | 2018-12-31 | 2018-12-31 | Low-noise explosion-proof variable-frequency speed-regulating three-phase asynchronous motor |
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| Publication Number | Publication Date |
|---|---|
| CN209963914U true CN209963914U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822267419.XU Active CN209963914U (en) | 2018-12-31 | 2018-12-31 | Low-noise explosion-proof variable-frequency speed-regulating three-phase asynchronous motor |
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| CN (1) | CN209963914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109787422A (en) * | 2018-12-31 | 2019-05-21 | 西安泰富西玛电机有限公司 | A kind of low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor |
-
2018
- 2018-12-31 CN CN201822267419.XU patent/CN209963914U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109787422A (en) * | 2018-12-31 | 2019-05-21 | 西安泰富西玛电机有限公司 | A kind of low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230628 Address after: No. 21, Building 11, Zone A, Phase I, Business Plaza, south of Huanghe Road and east of Huashan Street, Longsha District, Qiqihar City, Heilongjiang Province, 161005 Patentee after: Qiqihar Nankuichang Enterprise Management Consulting Co.,Ltd. Address before: No.159 Mingguang Road, economic and Technological Development Zone, Xi'an, Shaanxi 710018 Patentee before: XI'AN TECH FULL SIMO MOTOR Co.,Ltd. |
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| TR01 | Transfer of patent right |