CN108847761A - A kind of Flame-Proof Three-Phase Induction Motors of high energy efficiency - Google Patents
A kind of Flame-Proof Three-Phase Induction Motors of high energy efficiency Download PDFInfo
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- CN108847761A CN108847761A CN201811009525.6A CN201811009525A CN108847761A CN 108847761 A CN108847761 A CN 108847761A CN 201811009525 A CN201811009525 A CN 201811009525A CN 108847761 A CN108847761 A CN 108847761A
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- shaft
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- 230000006698 induction Effects 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 238000004880 explosion Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/12—Asynchronous induction motors for multi-phase current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/136—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a kind of Flame-Proof Three-Phase Induction Motors of high energy efficiency, it includes base, the stator being mounted in base and the rotor being coupled with stator, rotor is fixedly mounted in shaft, it respectively corresponds in the front and back end of base equipped with end cap, bearing is equipped between end cap and shaft, and bearing internal external side is respectively corresponded equipped with internal bearing cover and bearing cover, terminal box is also equipped at the base line outlet, the internal bearing cover and shaft are fitted close to form interior flame proof access structure, the bearing cover and shaft are fitted close to form outer flame proof access structure, and the oil sealing with shaft interference fit is equipped at bearing cover；Equal shape seam allowance flameproof joint at the cooperation of the end cap and base；The rotor is the cast-aluminum rotor of double cage-shaped structures, and rotor bar surface sets insulating layer, and remains with gap between rotor bar and corresponding rotor slot.Of the invention is structurally reasonable, securely and reliably, user-friendly.
Description
Technical field
The present invention relates to fire-proof motor technical field more particularly to a kind of Flame-Proof Three-Phase Induction Motors of high energy efficiency.
Background technique
Domestic conventional fire-proof motor is the 3 grades of efficiencies and 2 grades of efficiencies met in GB18613-2012, is not able to satisfy mesh
Demand of the explosion-proof place such as preceding petrochemical industry to high efficiency motor.In addition, conventional fire-proof motor there are degree of protection be IP54,
IP55 can not meet the requirement of high protection, while locked rotor current is larger, and be not able to satisfy user's requirement is not more than 7 times of specified electricity
The problems such as requirement of stream, particular problem is as follows：
1. efficiency grade only reaches 3 grades of efficiencies and 2 grades of efficiencies；
2. degree of protection is low, IP54, IP55 can only achieve, the requirement of IP66 degree of protection is not achieved；
3. cooling fin contour line is not made full use of using circle, heat-sinking capability；
4. starting current is big, it can not meet complete series and reach requirement no more than rated current；
5. existing using the connection type of connection bolt and crimping not tight and the case where lead is burnt occur；
6. appropriate cable outer diameter is discreteness, and noncontinuity, since the outside diameter of cable deviation of each producer production is larger, cause
There is the hidden danger of propagation of explosion in practical applications；
7. wiring cavity is small, cause service cable connection difficult；
8. a kind of blast resistance construction can only meet a kind of explosion proof ratings；
9. oil extraction is unsmooth, long-play, bearing chamber cavity oil accumulation is too many, causes bearing temperature height.
Therefore, this is just there is an urgent need to design a kind of Flame-Proof Three-Phase Induction Motors of new high energy efficiency, to solve tradition
Fire-proof motor is the problems of anti-.
Summary of the invention
The present invention in order to solve the problems in the prior art, provides a kind of Flame-Proof Three-Phase Induction Motors of high energy efficiency,
Its is structurally reasonable, securely and reliably, user-friendly.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：A kind of explosion-proof three-phase asynchronous of high energy efficiency
Motor, it includes base, the stator being mounted in base and the rotor being coupled with stator, and rotor, which is fixedly mounted on, to be turned
It on axis, respectively corresponds in the front and back end of base equipped with end cap, bearing is equipped between end cap and shaft, and bearing internal external side is distinguished
It is correspondingly provided with internal bearing cover and bearing cover, terminal box, the internal bearing cover and shaft are also equipped at the base line outlet
It is fitted close flame proof access structure in being formed, the bearing cover and shaft are fitted close to form outer flame proof access structure, and axis
Hold the oil sealing being equipped at outer cover with shaft interference fit；Equal shape seam allowance flameproof joint at the cooperation of the end cap and base；
The terminal box includes wiring box mounting board, junction box seat and connector cover, and wiring box mounting board is fixedly installed in base
On, junction box seat is fixedly connected with wiring box mounting board, and connector cover is fixedly connected with junction box seat, and wiring box mounting board with
Base, junction box seat are respectively formed in conjunction with seam allowance flame proof with wiring box mounting board and connector cover at the cooperation of junction box seat
Face；
The rotor is the cast-aluminum rotor of double cage-shaped structures, and rotor bar surface sets insulating layer, and rotor bar with corresponding turn
Gap is remained between pilot trench.
It is equipped with seal groove at the seam allowance explosion-insulation surface, sealing ring is arranged in seal groove.
The bearing cover is equipped with the mounting groove for installing oil sealing, and the oil sealing is fastened in the mounting groove.
The non-shaft stretching end of the shaft is equipped with cooling fan, and cooling fan can generate hypsokinesis effect when being bidirectional rotation
Flexiplast fan.
The cooling fin outer profile of the base is eight-sided formation.
The wiring box mounting board is equipped with lead fixation hole, and conducting wire in base by stretching out through lead fixation hole and terminal box
Interior binding post connection, and the glue sealing for fixing conducting wire is equipped at lead fixation hole.
Elastic stringing circle is arranged at the incoming line of the terminal box.
Automatic oil draining plug is connected on the bearing.
The bearing cover is cast steel, and the roughness on the joint surface of bearing cover and shaft is set as 0.4.
The insulating layer is AL2O3Insulating layer.
The beneficial effects of the invention are as follows：
1, middle (center) bearing inner cover of the present invention and shaft are fitted close to form interior flame proof access structure, and the bearing cover and shaft are close
Outer flame proof access structure is cooperatively formed, and equal shape seam allowance flameproof joint, wiring at the cooperation of end cap and base in the present invention
Seam allowance is respectively formed at the cooperation of box mounting plate and base, junction box seat and wiring box mounting board and connector cover and junction box seat
Explosion-insulation surface is realized the degree of protection of IP66, is passed through by the method combined to inside and outside access using dynamic sealing and static seal
Flame proof access is handled using seam allowance flame proof and explosion-proof cylinder structure, thus realize meet ExdIMb, ExdIIBT4Gb,
Tri- kinds of explosion proof ratings of ExdIICT4Gb, adaptation range are wider.
2. being equipped with seal groove at the above-mentioned seam allowance explosion-insulation surface in the present invention, sealing ring is arranged in seal groove,
To reach the safeguard structure of complete machine IP66.And middle (center) bearing outer cover of the present invention is cast steel, and bearing cover and shaft
The roughness on joint surface is set as 0.4, while the oil sealing with shaft interference fit is equipped at bearing cover, to guarantee the rubber of oil sealing
The Suitable compression amount of cushion rubber and bearing cover joint surface, thus in the case where guaranteeing that sealing performance reaches IP66, in motor volume
In the case where fixed operation, friction is small with outer cover joint surface for rubber ring, thus mechanical loss is smaller and raising efficiency.
3. the non-shaft stretching end of shaft is equipped with cooling fan in the present invention, cooling fan is using flexiplast fan, no
Pipe is to rotate clockwise or counterclockwise, can generate hypsokinesis effect, reduces the mechanical loss of fan to improve efficiency.
4. rotor is the cast-aluminum rotor of double cage-shaped structures in the present invention, starting current can be reduced, meets and is not more than 7 times of volumes
Constant current requirement；Rotor bar surface sets AL2O3Insulating layer, and gap is remained between rotor bar and corresponding rotor slot, increase
The contact resistance between conducting bar and rotor slot is added, to reduce the stray loss of motor, has improved efficiency.
5. base cooling fin outer profile uses eight-sided formation in the present invention, guaranteeing the constant situation of motor length, width and height
Under, heat dissipation area increases 20% or so, improves heat-sinking capability.
6. wiring box mounting board is equipped with lead fixation hole in the present invention, conducting wire in base by stretching out through lead fixation hole
It is connect with the binding post in terminal box, and is equipped with the glue sealing for fixing conducting wire at lead fixation hole, by using glue sealed knot
Structure eliminates connection bolt, eliminates connection bolt and crimps not tight situation；Elastic stringing is also arranged at the incoming line of terminal box
Circle is realized and adapts to service cable from minimum to all standing of maximum all outer diameters.
7. the present invention sets automatic oil draining plug structure, waste oil and extra oil can be discharged in oiling, guarantee bearing can
By operation.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram in Fig. 1 at terminal box.
Specific embodiment
It elaborates below in conjunction with attached drawing to a specific embodiment of the invention.
As depicted in figs. 1 and 2, the Flame-Proof Three-Phase Induction Motors of a kind of high energy efficiency of the invention, it include base 8,
The stator being mounted in base 8 and the rotor 9 being coupled with stator, rotor 9 are fixedly mounted in shaft 2, in base 8
Front and back end is respectively corresponded equipped with end cap 6,12, bearing 5 is equipped between end cap 6,12 and shaft 2, and outside is right respectively in bearing 5
Internal bearing cover 1,11 and bearing cover 3,15 should be equipped with.
The internal bearing cover 1,11 is fitted close with shaft 2 formed in flame proof access structure, the bearing cover 3,15 with
Shaft 2, which is fitted close, forms outer flame proof access structure；The end cap 6,12 is engaged with shape seam allowance flame proof equal at the cooperation of base 8
Face.
Terminal box 7 is also equipped at the base line outlet, terminal box 7 includes wiring box mounting board 18, junction box seat 19
With connector cover 21, wiring box mounting board 18 is fixedly installed on base 8, junction box seat 19 and the fixed company of wiring box mounting board 18
It connects, connector cover 21 is fixedly connected with junction box seat 19, and wiring box mounting board 18 and base 8, junction box seat 19 and terminal box
Seam allowance explosion-insulation surface is respectively formed at the cooperation of mounting plate 18 and connector cover 21 and junction box seat 19.
It is equipped with seal groove at above-mentioned seam allowance explosion-insulation surface, sealing ring is arranged in seal groove.
The present invention adopts inside and outside access by the cooperation of above-mentioned inside and outside flame proof access structure and seam allowance flameproof joint
The method combined with dynamic sealing and static seal, realizes the degree of protection of IP66, uses seam allowance flame proof and cylinder by flame proof access
Explosion separation structure processing meets tri- kinds of explosion proof ratings of ExdIMb, ExdIIBT4Gb, ExdIICT4Gb, adaptation range to realize
It is wider.
And middle (center) bearing outer cover 3,15 of the present invention is cast steel, and bearing cover 3,15 and the joint surface of shaft 2 is thick
Rugosity is set as 0.4, while the oil sealing with shaft interference fit is equipped at bearing cover 3,15（In the present embodiment, bearing cover
3,15 it is equipped with the mounting groove for installing oil sealing, the oil sealing is fastened in the mounting groove）, with guarantee the rubber ring of oil sealing with
The Suitable compression amount on bearing cover joint surface, to be run in the case where guaranteeing that sealing performance reaches IP66 in Rated motor
In the case where, friction is small with outer cover joint surface for rubber ring, so that mechanical loss is smaller and raising efficiency.
Heretofore described rotor 9 is the cast-aluminum rotor of double cage-shaped structures, can reduce starting current, meets and is not more than 7 times
Rated current requirement；And rotor 9 is using high frequency oxygenation heating, and then the method for rapid cooling, forms on rotor bar surface
AL2O3Insulating layer, and make to generate gap between rotor bar and corresponding rotor slot, increase connecing between conducting bar and rotor slot
Electric shock resistance, to reduce the stray loss of motor, improves efficiency.
The non-shaft stretching end of shaft 2 is equipped with cooling fan 16 in the present invention, cooling fan 16 be using flexiplast fan,
It either rotates clockwise or counterclockwise, hypsokinesis effect can be generated, reduce the mechanical loss of fan to improve efficiency.It is cold
But fan 16 is technical solution and principle using flexiplast fan practical filed in the applicant 2015.04.22 days
A kind of new patent motor flexiplast fan（Application number：CN201520244327.3）In disclose, the present embodiment is no longer
It is described in detail
The cooling fin outer profile of the base is eight-sided formation, in the case where guaranteeing that motor length, width and height are constant, heat dissipation area
20% or so is increased, heat-sinking capability is improved.
7 shape of terminal box uses eight-sided formation in the present invention, and in the case where length, width and height are constant, terminal box space increases
10% or so.Wiring box mounting board 18 is equipped with lead fixation hole, and conducting wire in base 8 by stretching out through lead fixation hole and terminal box 7
Interior binding post 20 connects, and is equipped at lead fixation hole and takes for fixing the glue sealing 17 of conducting wire by using glue seal structure
Disappeared connection bolt, eliminates connection bolt and crimps not tight situation；Elastic stringing circle is also arranged at the incoming line of terminal box 7,
It realizes and adapts to service cable from minimum to all standing of maximum all outer diameters.
The present invention by the docking shape of wire box, lead wire fixed structure, line outlet elasticity stringing circle Curve guide impeller,
Keep junction box structure more reasonable, is more convenient user and uses, reduce security risk.
It is also connected with automatic oil draining plug on middle (center) bearing 5 of the present invention, waste oil and extra oil can be discharged, be guaranteed in oiling
The reliability service of bearing.
The present invention can also be by reducing air gap, reducing stator electricity using magnetic slot-seal, reduction flux density hoisting power factor
Stream is lost and raising efficiency to reduce stator winding；Determined by increasing copper factor, insulation, reduction film thickness being thinned to increase
The sectional area of sub- conductor and reduce stator DC resistance to stator winding loss and raising efficiency；Small dimension, thin are used
Bearing reduces machinery and consumes and raising efficiency.
The Flame-Proof Three-Phase Induction Motors of the high energy efficiency of the present embodiment compared with prior art, realize following advantages：
（1）Electric efficiency reaches 1 grade of efficiency；
（2）Degree of protection reaches IP66；
（3）The heat-sinking capability of base promotes 20%；
（4）Starting current is low, meets no more than 7 times rated current requirements；
（5）Terminal box cavity is big, eliminates crimping hidden danger, and it is wide to adapt to service cable range；
（6）Meet tri- kinds of explosion proof ratings of ExdIMb, ExdIIBT4Gb, ExdIICT4Gb, adaptation range is wider；
（7）Oil extraction is smooth, and user maintenance is convenient.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that：Still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (10)
1. a kind of Flame-Proof Three-Phase Induction Motors of high energy efficiency, it include base, the stator being mounted in base and with it is fixed
The rotor that son is coupled, rotor are fixedly mounted in shaft, are respectively corresponded in the front and back end of base equipped with end cap, end cap with turn
Bearing is equipped between axis, and bearing internal external side is respectively corresponded equipped with internal bearing cover and bearing cover, at the base line outlet
It is also equipped with terminal box, it is characterised in that：The internal bearing cover and shaft are fitted close to form interior flame proof access structure, the axis
It holds outer cover and shaft is fitted close to form outer flame proof access structure, and be equipped with the oil with shaft interference fit at bearing cover
Envelope；Equal shape seam allowance flameproof joint at the cooperation of the end cap and base；
The terminal box includes wiring box mounting board, junction box seat and connector cover, and wiring box mounting board is fixedly installed in base
On, junction box seat is fixedly connected with wiring box mounting board, and connector cover is fixedly connected with junction box seat, and wiring box mounting board with
Base, junction box seat are respectively formed in conjunction with seam allowance flame proof with wiring box mounting board and connector cover at the cooperation of junction box seat
Face；
The rotor is the cast-aluminum rotor of double cage-shaped structures, and rotor bar surface sets insulating layer, and rotor bar with corresponding turn
Gap is remained between pilot trench.
2. the Flame-Proof Three-Phase Induction Motors of high energy efficiency according to claim 1, it is characterised in that：The seam allowance flame proof
It is equipped with seal groove at faying face, sealing ring is arranged in seal groove.
3. the Flame-Proof Three-Phase Induction Motors of high energy efficiency according to claim 1, it is characterised in that：The bearing cover
It is equipped with the mounting groove for installing oil sealing, the oil sealing is fastened in the mounting groove.
4. the Flame-Proof Three-Phase Induction Motors of high energy efficiency according to claim 1-3, it is characterised in that：It is described
The non-shaft stretching end of shaft is equipped with cooling fan, and cooling fan can generate the flexiplast wind of hypsokinesis effect when being bidirectional rotation
Fan.
5. the Flame-Proof Three-Phase Induction Motors of high energy efficiency according to claim 1, it is characterised in that：The base dissipates
Backing outer profile is eight-sided formation.
6. the Flame-Proof Three-Phase Induction Motors of high energy efficiency according to claim 1, it is characterised in that：The terminal box peace
Loading board is equipped with lead fixation hole, and conducting wire is connect through lead fixation hole with the binding post in terminal box by stretching out in base, and is drawn
The glue sealing for fixing conducting wire is equipped at line fixation hole.
7. the Flame-Proof Three-Phase Induction Motors of high energy efficiency according to claim 6, it is characterised in that：The terminal box
Elastic stringing circle is arranged at incoming line.
8. the Flame-Proof Three-Phase Induction Motors of high energy efficiency according to claim 1, it is characterised in that：Connect on the bearing
It is connected to automatic oil draining plug.
9. the Flame-Proof Three-Phase Induction Motors of high energy efficiency according to claim 1, it is characterised in that：The bearing cover
Roughness for cast steel, and the joint surface of bearing cover and shaft is set as 0.4.
10. the Flame-Proof Three-Phase Induction Motors of high energy efficiency according to claim 1, it is characterised in that：The insulating layer
For AL2O3Insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009525.6A CN108847761A (en) | 2018-08-31 | 2018-08-31 | A kind of Flame-Proof Three-Phase Induction Motors of high energy efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009525.6A CN108847761A (en) | 2018-08-31 | 2018-08-31 | A kind of Flame-Proof Three-Phase Induction Motors of high energy efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108847761A true CN108847761A (en) | 2018-11-20 |
Family
ID=64188884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811009525.6A Pending CN108847761A (en) | 2018-08-31 | 2018-08-31 | A kind of Flame-Proof Three-Phase Induction Motors of high energy efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108847761A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639014A (en) * | 2018-12-21 | 2019-04-16 | 卧龙电气南阳防爆集团股份有限公司 | A kind of dedicated fire-proof motor of coal pulverizer |
| CN114567112A (en) * | 2020-01-20 | 2022-05-31 | 锐宸企业有限公司 | Pressure-resistant motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201656634U (en) * | 2010-03-31 | 2010-11-24 | 上海Abb电机有限公司 | Flameproof motor with high-standard protection level |
| CN101958620A (en) * | 2010-10-28 | 2011-01-26 | 南阳防爆集团股份有限公司 | High-voltage explosion-proof type three-phase asynchronous motor |
| CN103516114A (en) * | 2013-10-09 | 2014-01-15 | 中达电机股份有限公司 | Flameproof type auxiliary junction box used for four-level flameproof three-phase asynchronous motor |
| CN204906076U (en) * | 2015-08-11 | 2015-12-23 | 中达电机股份有限公司 | Terminal box is assisted to explosion proof machine |
| CN107342647A (en) * | 2017-07-28 | 2017-11-10 | 卧龙电气集团股份有限公司 | A kind of composite anti-explosion type threephase asynchronous |
| CN208597014U (en) * | 2018-08-31 | 2019-03-12 | 卧龙电气南阳防爆集团股份有限公司 | A kind of Flame-Proof Three-Phase Induction Motors of high energy efficiency |
-
2018
- 2018-08-31 CN CN201811009525.6A patent/CN108847761A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201656634U (en) * | 2010-03-31 | 2010-11-24 | 上海Abb电机有限公司 | Flameproof motor with high-standard protection level |
| CN101958620A (en) * | 2010-10-28 | 2011-01-26 | 南阳防爆集团股份有限公司 | High-voltage explosion-proof type three-phase asynchronous motor |
| CN103516114A (en) * | 2013-10-09 | 2014-01-15 | 中达电机股份有限公司 | Flameproof type auxiliary junction box used for four-level flameproof three-phase asynchronous motor |
| CN204906076U (en) * | 2015-08-11 | 2015-12-23 | 中达电机股份有限公司 | Terminal box is assisted to explosion proof machine |
| CN107342647A (en) * | 2017-07-28 | 2017-11-10 | 卧龙电气集团股份有限公司 | A kind of composite anti-explosion type threephase asynchronous |
| CN208597014U (en) * | 2018-08-31 | 2019-03-12 | 卧龙电气南阳防爆集团股份有限公司 | A kind of Flame-Proof Three-Phase Induction Motors of high energy efficiency |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639014A (en) * | 2018-12-21 | 2019-04-16 | 卧龙电气南阳防爆集团股份有限公司 | A kind of dedicated fire-proof motor of coal pulverizer |
| CN114567112A (en) * | 2020-01-20 | 2022-05-31 | 锐宸企业有限公司 | Pressure-resistant motor |
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Address after: 473008 No. 1801 Dushan Avenue, Nanyang City, Henan Province Applicant after: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP CO., LTD. Applicant after: Wolong Electric Drive Group Co., Ltd. Address before: 473008 No. 1801 Dushan Avenue, Nanyang City, Henan Province Applicant before: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP CO., LTD. Applicant before: Wolong Electric Group Co., Ltd. |