CN109639027A - A kind of motor control Safety Redundancy mechanism for train - Google Patents
A kind of motor control Safety Redundancy mechanism for train Download PDFInfo
- Publication number
- CN109639027A CN109639027A CN201811577876.7A CN201811577876A CN109639027A CN 109639027 A CN109639027 A CN 109639027A CN 201811577876 A CN201811577876 A CN 201811577876A CN 109639027 A CN109639027 A CN 109639027A
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- Prior art keywords
- gear
- motor body
- motor
- train
- control safety
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- 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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a kind of control Safety Redundancy mechanisms for train motor, including motor body, the airscoop shroud is installed on the side of motor body, the side that the motor body closes on airscoop shroud is equipped with filter screen, the motor body is equipped with gas vent far from the side of airscoop shroud, the side of the stator core is uniformly equidistantly provided with ventilation opening, the side of the motor body is equipped with bearing, the inner rotation of the bearing is equipped with drive shaft, the outside of the drive shaft is equipped with first gear, the inner wall of the shell is equipped with electromagnet, the lower part of the electromagnet is adsorbed with second gear, the side of the shell is rotatably equipped with third gear by shaft.The present invention realizes air inlet by airscoop shroud, is effectively radiated to the inside of motor body by ventilation opening and gas vent, adsorbs second gear by electromagnet, realizes the brake in motor rotation process, further increase the safety of train motor.
Description
Technical field
The invention belongs to the technical field of safety devices of train motor control, it is specifically related to a kind of for train motor
Control Safety Redundancy mechanism.
Background technique
EMU is exactly to be made of motor-car and trailer or all fixed by several motor-cars and hung over the vehicle group formed together, main
It is used for high-speed railway passenger transport, EMU majority to be powered all using being driven by electricity by external contact net at present, is driven in electric power
In dynamic train, traction electric machine is widely used.
Traction electric machine is the motor directly with motor car wheel rotation, since series excitation type direct current electric motor has dragging well special
Property, speed control also facilitates, and carrying out electric locomotive for a long time all is drawn using direct current generator.But the brush and commutator of direct current generator
Abrasion is fatal disadvantage, and maintenance is frequently again troublesome.It is all kinds of current transformers, inverse since there is a device for high-power power electronic
Become device to be generalizable, electric locomotive starts using three phase alternating current motor, compared to dc motor ac motor without electricity
Brush and commutator, without direct wearing terrain, failure rate greatly reduces with maintenance；Since commutator limits voltage and electric current,
Direct current generator can not accomplish superpower, and alternating current generator can accomplish very big power；Alternating current generator power-weight ratio ratio
Direct current generator is higher by 2 times or more, and cost is also much lower, so EMU traction motor is all made of three phase alternating current motor at present.
In the operational process of existing EMU, since speed is very high, the security control of motor is to guarantee EMU operation
Premise, still, in the process of running, motor not can be carried out effective heat dissipation to existing motor, lead to the temperature inside motor
Excessively high, internal components generate damage, influence the normal operation of motor；On the other hand, it in brake process, is rapidly reduced in speed
During, it is easy to cause motor damage.
Summary of the invention
The purpose of the present invention is to provide a kind of control Safety Redundancy mechanisms for train motor, to solve above-mentioned background
The technical issues of motor heat dissipation in the prior art is bad, brake is easily damaged motor is proposed in technology.
To achieve the above object, present invention employs following technical solutions: a kind of control for train motor is superfluous safely
Remaining mechanism, including motor body, shell and airscoop shroud, the airscoop shroud are installed on the side of motor body, the motor body
Inside fixing sleeve be connected to stator core, the inside fixation of the stator core is connected with three-phase windings, the motor body
Side is equipped with bearing, and the inner rotation of the bearing is equipped with drive shaft, and the side fixing sleeve of the drive shaft is connected to rotor
Iron core, the shell pivot bush unit are equipped with the first tooth in side of the drive shaft far from rotor core, the outside of the drive shaft
Wheel, the inner wall of the shell are equipped with electromagnet.
Preferably, the lower part of the electromagnet is adsorbed with second gear, and the side of the second gear passes through reset spring
It is connected with the side of drive shaft, the side of the shell is rotatably equipped with third gear, the third gear and by shaft
One gear is oppositely arranged.
Preferably, the side that the motor body closes on airscoop shroud is equipped with filter screen, and the motor body is far from air inlet
The side of cover is equipped with gas vent.
Preferably, the side of the stator core is uniformly equidistantly provided with ventilation opening.
Preferably, the outer wall of the rotor core and the outer wall of stator core are affixed.
Preferably, the airscoop shroud is symmetrically arranged with two groups relative to motor body, and the airscoop shroud closes on motor master
The diameter of body side is less than the diameter far from motor body side.
Preferably, the gas vent is symmetrically arranged with two groups relative to motor body, and the gas vent is arranged in reaming.
Preferably, the ventilation opening is centrosymmetric setting relative to the central axis of stator core, and the ventilation opening
The rounded setting in lateral section.
Preferably, the side that the drive shaft and rotor core close on is rotatably equipped with measure speed gears, the measure speed gears
Side tachymeter is installed.
Preferably, the outside of the rotor core is socketed with conducting bar, and the lateral section of the conducting bar is arranged in convex shape.
Preferably, the length of the first gear is identical as the length of third gear, and the first gear and third tooth
Wheel coaxial arrangement.
Preferably, the electromagnet is symmetrically arranged with two groups relative to shell, and the side of the electromagnet is provided with and the
The groove that two gears match.
Preferably, the second gear includes upper internal gear and lower internal gear, and the upper internal gear is in phase with lower internal gear
To setting.
Preferably, the cold wind of the airscoop shroud and train air conditioning system outlet connection.Using the cold of train air conditioning system
Wind carries out cooling processing to motor body.
Preferably, the Safety Redundancy mechanism further includes cooling device；The cooling device has cold wind air outlet, described
Cold wind air outlet connect with airscoop shroud.The cooling device is air-conditioning.
Preferably, temperature measuring equipment is provided in the motor body.
Preferably, the temperature setting of the cooling device is related to the temperature in motor body；When motor body temperature
Higher, the temperature setting of cooling device is lower, preferably to make motor body realize the effect of cooling, to improve safety.
Preferably, the temperature for the motor body that the temperature measuring equipment detects is T1, and the set temperature of the air-conditioning is T2,
Wherein T1 and T2 inverse correlation.Further, the T1 and T2 meets following relationship:
T2=T1-T；
Wherein, T is equalized temperature value, and value range is 40-65 degrees Celsius.Above-mentioned temperature unit is degree Celsius.
Technical effect and advantage of the invention:
A kind of control Safety Redundancy mechanism for train motor proposed by the present invention has following excellent compared with prior art
Point:
1, the control Safety Redundancy mechanism for train motor of the invention realizes air inlet by airscoop shroud, by filter screen to sky
Dust in gas is filtered, and circulation of the air inside motor body is realized by ventilation opening, after heating by gas vent
Air discharge, it is effective to realize to the heat dissipation inside motor body, guarantee the safety of motor body operation.
2, the control Safety Redundancy mechanism for train motor of the invention by airscoop shroud realize air inlet, by operation and
Stop electromagnet operation, electromagnet run when, the side of second gear is adsorbed so that second gear move first gear and
The side of third gear is detached from, so that third gear does not rotate, and then is reached cutting-off process, is slowed down, and electromagnetism is stopped
Iron operation, under the action of reset spring, second gear resets, and engage again with first gear and third gear, realization the
The rotation of three gears avoids the adverse effect generated to motor body of braking.
3, the control Safety Redundancy mechanism for train motor of the invention realizes air inlet by airscoop shroud, passes through stator iron
Core, three-phase windings, rotor core, the effective rotation for realizing inner drive shaft, sufficiently effective realization rotating function.
4, the control Safety Redundancy mechanism for train motor of the invention realizes air inlet by airscoop shroud, is dropped by setting
Warm device, to set the temperature of air-conditioning according to the temperature of motor body.
5, the control Safety Redundancy mechanism for train motor of the invention realizes air inlet by airscoop shroud, using train
Air-conditioning system is as motor body cooling device, it is not necessary to and additional cooling device is used, motor body is made to realize the effect of cooling,
To improve safety.
Detailed description of the invention
Fig. 1 is the control Safety Redundancy mechanism structure schematic diagram for train motor of the invention；
Fig. 2 is the control Safety Redundancy mechanism rotor core part-structure side view cutaway drawing for train motor of the invention；
Fig. 3 is the control Safety Redundancy mechanism conductor portion structure side view cutaway drawing for train motor of the invention；
Second gear engaging portion when Fig. 4 is the control Safety Redundancy mechanism electromagnetic iron not running for train motor of the invention
Structural side view；
Second gear is detached from part and ties when Fig. 5 is the control Safety Redundancy mechanism electromagnetic iron operation for train motor of the invention
Structure side view.
In figure: 1, motor body；2, shell；3, airscoop shroud；4, filter screen；5, gas vent；6, stator core；7, three-phase around
Group；8, ventilation opening；9, bearing；10, drive shaft；11, rotor core；12, first gear；13, electromagnet；14, second gear；
15, reset spring；16, shaft；17, third gear；18, measure speed gears；19, tachymeter；20, conducting bar；21, groove；22, in upper
Gear；23, lower internal gear.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Herein
Described specific embodiment is only used to explain the present invention, is not intended to limit the present invention.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
Embodiment 1
As shown in Figs. 1-5, a kind of control Safety Redundancy mechanism for train motor, including motor body 1, shell 2 and air inlet
Cover 3, the airscoop shroud 3 is installed on the side of motor body 1, and the side that the motor body 1 closes on airscoop shroud 3 is equipped with filtering
Net 4, for filter screen 4 for filtering the air, the motor body 1 is equipped with gas vent 5, institute far from the side of airscoop shroud 3
The inside fixing sleeve for stating motor body 1 is connected to stator core 6, and the inside fixation of the stator core 6 is connected with three-phase windings 7,
The side of the stator core 6 is uniformly equidistantly provided with ventilation opening 8, and the side of the motor body 1 is equipped with bearing 9, the axis
The inner rotation for holding 9 is equipped with drive shaft 10, and the side fixing sleeve of the drive shaft 10 is connected to rotor core 11, the rotor iron
The outer wall of core 11 and the outer wall of stator core 6 are affixed, 2 pivot bush unit of shell in drive shaft 10 far from rotor core 11 one
Side, the outside of the drive shaft 10 are equipped with first gear 12, and the inner wall of the shell 2 is equipped with electromagnet 13, the electromagnetism
The lower part of iron 13 is adsorbed with second gear 14, and the side of the second gear 14 passes through the side of reset spring 15 and drive shaft 10
It is connected, for reset spring 15 for resetting to second gear 14, the side of the shell 2 is rotatably equipped with the by shaft 16
Three gears 17, the third gear 17 are oppositely arranged with first gear 12.
The airscoop shroud 3 is symmetrically arranged with two groups relative to motor body 1, and the airscoop shroud 3 closes on motor body 1 one
The diameter of side is less than the diameter far from 1 side of motor body.Airscoop shroud 3 facilitates the entrance of outside air, convenient to motor body 1
Internal structure exchange heat, achieve the purpose that protection.
The gas vent 5 is symmetrically arranged with two groups relative to motor body 1, and the gas vent 5 is arranged in reaming.It is convenient
The discharge of gas, effectively heat is discharged after heat exchange, reaches the protection to internal structure.
The ventilation opening 8 is centrosymmetric setting relative to the central axis of stator core 6, and the side of the ventilation opening 8 is cut
The rounded setting in face.Ventilation opening 8 preferably realizes ventilation, guarantees heat dissipation effect, prevents internal structure from crossing cause thermal damage.It is described into
The cold wind of gas hood and train air conditioning system outlet connection.Motor body is carried out at cooling using the cold wind of train air conditioning system
Reason.
The drive shaft 10 is rotatably equipped with measure speed gears 18, the measure speed gears 18 with the side that rotor core 11 closes on
Side tachymeter 19 is installed.Measure speed gears 18 facilitate the measurement of speed, and tachymeter 19 is laser velocimeter, for testing the speed
The revolving speed of gear 18 measures, convenient for being monitored to speed.
The outside of the rotor core 11 is socketed with conducting bar 20, and the lateral section of the conducting bar 20 is arranged in convex shape.It leads
Item 20 is copper conducting bar, guarantees higher detent torque and overload capacity, improves current density and conveyance capacity.
The length of the first gear 12 is identical as the length of third gear 17, and the first gear 12 and third gear
17 coaxial arrangements.Facilitate first gear 12 to the transmission of third gear 17, guarantees the quality and effect of transmission.
The electromagnet 13 is symmetrically arranged with two groups relative to shell 2, and the side of the electromagnet 13 is provided with and second
The groove 21 that gear 14 matches.Groove 21 preferably realizes the absorption to second gear 14, guarantees the fastness of absorption, realizes
It is effective to be detached from.
The second gear 14 includes upper internal gear 22 and lower internal gear 23, and the upper internal gear 22 is in lower internal gear 23
It is oppositely arranged.The combining form of upper internal gear 22 and lower internal gear 23 preferably realizes second gear 14 from 12 He of first gear
The side of third gear 17 is detached from.
Working principle: air inlet is realized by airscoop shroud 3, the dust in air is filtered by filter screen 4, by logical
Circulation of the air inside motor body 1 is realized in air port 8, the air after heating is discharged by gas vent 5, effective realization pair
Heat dissipation inside motor body 1 guarantees the safety that motor body 1 is run, and is run by running and stopping electromagnet 13, electromagnet
When 13 operation, the side of second gear 14 is adsorbed, so that second gear 14 moves first gear 12 and third gear 17
Side is detached from, so that third gear 17 does not rotate, and then is reached cutting-off process, is slowed down, and is stopped electromagnet 13 and is run,
Under the action of reset spring 15, second gear 14 resets, and engage again with first gear 12 and third gear 17, realization the
The rotation of three gears 17 avoids the adverse effect generated to motor body 1 of braking.
Embodiment 2
A kind of control Safety Redundancy mechanism for train motor, including motor body 1, shell 2 and airscoop shroud 3, the air inlet
Cover 3 is installed on the side of motor body 1, and the side that the motor body 1 closes on airscoop shroud 3 is equipped with filter screen 4, filter screen 4
For filtering the air, the motor body 1 is equipped with gas vent 5, the motor body 1 far from the side of airscoop shroud 3
Inside fixing sleeve be connected to stator core 6, the inside fixation of the stator core 6 is connected with three-phase windings 7, the stator core
6 side is uniformly equidistantly provided with ventilation opening 8, and the side of the motor body 1 is equipped with bearing 9, the inner rotation of the bearing 9
Drive shaft 10 is installed, the side fixing sleeve of the drive shaft 10 is connected to rotor core 11, the outer wall of the rotor core 11 with
The outer wall of stator core 6 is affixed, and 2 pivot bush unit of shell is in side of the drive shaft 10 far from rotor core 11, the driving
The outside of axis 10 is equipped with first gear 12, and the inner wall of the shell 2 is equipped with electromagnet 13, and the lower part of the electromagnet 13 is inhaled
With second gear 14, the side of the second gear 14 is connected by reset spring 15 with the side of drive shaft 10, resets bullet
For spring 15 for resetting to second gear 14, the side of the shell 2 is rotatably equipped with third gear 17, institute by shaft 16
Third gear 17 is stated to be oppositely arranged with first gear 12.
The airscoop shroud 3 is symmetrically arranged with two groups relative to motor body 1, and the airscoop shroud 3 closes on motor body 1 one
The diameter of side is less than the diameter far from 1 side of motor body.Airscoop shroud 3 facilitates the entrance of outside air, convenient to motor body 1
Internal structure exchange heat, achieve the purpose that protection.
The gas vent 5 is symmetrically arranged with two groups relative to motor body 1, and the gas vent 5 is arranged in reaming.It is convenient
The discharge of gas, effectively heat is discharged after heat exchange, reaches the protection to internal structure.
The ventilation opening 8 is centrosymmetric setting relative to the central axis of stator core 6, and the side of the ventilation opening 8 is cut
The rounded setting in face.Ventilation opening 8 preferably realizes ventilation, guarantees heat dissipation effect, prevents internal structure from crossing cause thermal damage.
The drive shaft 10 is rotatably equipped with measure speed gears 18, the measure speed gears 18 with the side that rotor core 11 closes on
Side tachymeter 19 is installed.Measure speed gears 18 facilitate the measurement of speed, and tachymeter 19 is laser velocimeter, for testing the speed
The revolving speed of gear 18 measures, convenient for being monitored to speed.
The outside of the rotor core 11 is socketed with conducting bar 20, and the lateral section of the conducting bar 20 is arranged in convex shape.It leads
Item 20 is copper conducting bar, guarantees higher detent torque and overload capacity, improves current density and conveyance capacity.
The length of the first gear 12 is identical as the length of third gear 17, and the first gear 12 and third gear
17 coaxial arrangements.Facilitate first gear 12 to the transmission of third gear 17, guarantees the quality and effect of transmission.
The electromagnet 13 is symmetrically arranged with two groups relative to shell 2, and the side of the electromagnet 13 is provided with and second
The groove 21 that gear 14 matches.Groove 21 preferably realizes the absorption to second gear 14, guarantees the fastness of absorption, realizes
It is effective to be detached from.
The second gear 14 includes upper internal gear 22 and lower internal gear 23, and the upper internal gear 22 is in lower internal gear 23
It is oppositely arranged.The combining form of upper internal gear 22 and lower internal gear 23 preferably realizes second gear 14 from 12 He of first gear
The side of third gear 17 is detached from.
The Safety Redundancy mechanism further includes cooling device；The cooling device has cold wind air outlet, the cold wind
Air outlet is connect with airscoop shroud.The cooling device is air-conditioning.
Temperature measuring equipment is provided in the motor body.In the temperature setting of the cooling device and motor body
Temperature is related；When motor body temperature is higher, the temperature setting of cooling device is lower, preferably to make motor body realize cooling
Effect, to improve safety.
The temperature for the motor body that the temperature measuring equipment detects is T1, and the set temperature of the air-conditioning is T2, wherein T1
With T2 inverse correlation.Further, the T1 and T2 meets following relationship:
T2=T1-T；
Wherein, T is equalized temperature value, and value range is 40-65 degrees Celsius.Above-mentioned temperature unit is degree Celsius.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of control Safety Redundancy mechanism for train motor, including motor body (1), shell (2) and airscoop shroud (3),
It is characterized by: the airscoop shroud (3) is installed on the side of motor body (1), the inside of the motor body (1) is fixedly attached
Have stator core (6), the inside fixation of the stator core (6) is connected with three-phase windings (7), the side of the motor body (1)
Portion is equipped with bearing (9), and the inner rotation of the bearing (9) is equipped with drive shaft (10), and the side of the drive shaft (10) is solid
Surely it is socketed with rotor core (11), shell (2) pivot bush unit is in the side of drive shaft (10) far from rotor core (11), institute
The outside for stating drive shaft (10) is equipped with first gear (12), and the inner wall of the shell (2) is equipped with electromagnet (13).
2. a kind of control Safety Redundancy mechanism for train motor according to claim 1, it is characterised in that: it is described into
Gas hood (3) is symmetrically arranged with two groups relative to motor body (1), and the airscoop shroud (3) closes on the straight of motor body (1) side
Diameter is less than the diameter far from motor body (1) side.
3. a kind of control Safety Redundancy mechanism for train motor according to claim 1 or 2, it is characterised in that: institute
It states motor body (1) to be equipped with gas vent (5) far from the side of airscoop shroud, the gas vent (5) is right relative to motor body (1)
Title is provided with two groups, and the gas vent (5) is arranged in reaming.
4. a kind of control Safety Redundancy mechanism for train motor according to claim 1-3, feature exist
In: the side of the stator core (6) is uniformly equidistantly provided with ventilation opening (8).
5. a kind of control Safety Redundancy mechanism for train motor according to claim 4, it is characterised in that: the drive
The side that moving axis (10) and rotor core (11) are closed on is rotatably equipped with measure speed gears (18).
6. a kind of control Safety Redundancy mechanism for train motor according to claim 5, it is characterised in that: described turn
The outside of sub- iron core (11) is socketed with conducting bar (20), and the lateral section of the conducting bar (20) is arranged in convex shape.
7. a kind of control Safety Redundancy mechanism for train motor according to claim 5, it is characterised in that: described
The length of one gear (12) is identical as the length of third gear (17), and the first gear (12) and third gear (17) are coaxial
Setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811577876.7A CN109639027A (en) | 2018-12-24 | 2018-12-24 | A kind of motor control Safety Redundancy mechanism for train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811577876.7A CN109639027A (en) | 2018-12-24 | 2018-12-24 | A kind of motor control Safety Redundancy mechanism for train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109639027A true CN109639027A (en) | 2019-04-16 |
Family
ID=66076617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811577876.7A Pending CN109639027A (en) | 2018-12-24 | 2018-12-24 | A kind of motor control Safety Redundancy mechanism for train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109639027A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518751A (en) * | 2019-09-02 | 2019-11-29 | 武汉鑫联兴精密机电有限公司 | A kind of inside intelligently adjusts the motor of temperature mechanism with temperature-sensitive |
| CN110829689A (en) * | 2019-11-19 | 2020-02-21 | 兰州理工大学 | Hydraulic motor pump shell with liquid flow-air flow-fin combined heat dissipation function |
| CN112910160A (en) * | 2021-01-20 | 2021-06-04 | 郑州铁路职业技术学院 | Electromechanical integrated motor installation auxiliary device |
| CN113701490A (en) * | 2021-08-26 | 2021-11-26 | 刘哲民 | Asynchronous electric heating assembly of autogyration formula external rotor and drying equipment |
-
2018
- 2018-12-24 CN CN201811577876.7A patent/CN109639027A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518751A (en) * | 2019-09-02 | 2019-11-29 | 武汉鑫联兴精密机电有限公司 | A kind of inside intelligently adjusts the motor of temperature mechanism with temperature-sensitive |
| CN110829689A (en) * | 2019-11-19 | 2020-02-21 | 兰州理工大学 | Hydraulic motor pump shell with liquid flow-air flow-fin combined heat dissipation function |
| CN112910160A (en) * | 2021-01-20 | 2021-06-04 | 郑州铁路职业技术学院 | Electromechanical integrated motor installation auxiliary device |
| CN113701490A (en) * | 2021-08-26 | 2021-11-26 | 刘哲民 | Asynchronous electric heating assembly of autogyration formula external rotor and drying equipment |
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