CN209016883U - A kind of high-efficient three-phase asynchronous motor - Google Patents
A kind of high-efficient three-phase asynchronous motor Download PDFInfo
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- CN209016883U CN209016883U CN201821640080.7U CN201821640080U CN209016883U CN 209016883 U CN209016883 U CN 209016883U CN 201821640080 U CN201821640080 U CN 201821640080U CN 209016883 U CN209016883 U CN 209016883U
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- electromagnet
- friction plate
- axle sleeve
- permanent magnet
- efficient
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Abstract
The utility model relates to a kind of high-efficient three-phase asynchronous motors, including casing, forward and backward end cap, motor shaft, heat dissipating housing.Axle sleeve is fixed on the motor shaft, axle sleeve is externally provided with the first heat emission fan；Driven shaft is rotatably fixedly connected on heat dissipating housing, fixing sleeve is equipped with the second heat emission fan on driven shaft；Axle sleeve internal spline is connected with multiple first friction plates, and driven shaft reaches in axle sleeve and spline is connected with multiple second friction plates, and the first and second friction plate interval is arranged and has gap；It further include the thrust assemblies for pushing the fitting of the first and second friction plate, including electromagnet, push disk, permanent magnet, electromagnet is set on rear end cap, disk sliding is pushed to be set on driven shaft, permanent magnet is fixed on opposite with electromagnet on pushing disk, and it is attracted with permanent magnet when electromagnet no power, when energization with permanent magnet mutual exclusion.This structure can flexibly switch single fan, biparting radiating mode according to practical warm condition, improve radiating efficiency.
Description
Technical field
The utility model relates to motor manufacturing technology field more particularly to a kind of high-efficient three-phase asynchronous motors.
Background technique
Due to the fast development of industry control automation, threephase asynchronous has gradually been applied to each angle of life area
It falls.For example, the power source of article conveyer belt and elevator, the power of these equipment be all supplied by threephase asynchronous, and this
A little equipment are widely used in people's daily routines place.
In common threephase asynchronous, operating condition temperature rise often has the working efficiency of motor and service life
Important influence, therefore want promoted its working efficiency, motor heat dissipation performance optimization be also it is very important.Existing skill
In art, it is typically employed in the interior mode installed radiator fan, be provide with the heat dissipating housing with heat release hole of casing and realizes the fast of inside and outside heat
Speed exchange.But in this structure, cooling fan structure is fixed, and ventilation quantity and motor speed are constant without changing with load,
When work condition environment is warmmer, if radiating rate can not match, the operational efficiency of motor is seriously affected.
Utility model content
The technical problem to be solved by the utility model is to overcome the above problem, and it is different to propose a kind of high efficient three-phase
Motor is walked, radiating efficiency can be significantly improved according to practical warm condition switching list fan, biparting radiating mode.
The technical solution of the utility model is: a kind of high-efficient three-phase asynchronous motor described in the utility model, including
Casing, the drive end bearing bracket positioned at casing two sides and rear end cap and positioned at the casing center and run through drive end bearing bracket and rear end cap electricity
The outside of arbor, the rear end cap is also fixedly connected with heat dissipating housing, it is characterised in that: the motor shaft stretches out the end of rear end cap
Upper fixing sleeve is equipped with a hollow axle sleeve, and the first heat emission fan is fixed with outside the axle sleeve；It is rotatably fixed on the heat dissipating housing
It is connected with the driven shaft of one with motor shaft coaxial line, fixing sleeve is equipped with the second heat emission fan on the driven shaft；In the axle sleeve
Be connected with multiple first friction plates by spline, the driven shaft reaches in axle sleeve and its outer wall be connected with by spline it is multiple
Second friction plate, first friction plate and the second friction plate are successively spaced setting and have gap；It further include having for pushing
The thrust assemblies that first friction plate is bonded with the second friction plate, the thrust assemblies include electromagnet, push disk, permanent magnet, institute
It states electromagnet to be fixed on rear end cap, the pushing disk sliding is set on driven shaft, and the permanent magnet, which is fixed on, to be pushed on disk
It is opposite with electromagnet and attracting with permanent magnet when the electromagnet no power, electromagnet be powered when with permanent magnet mutual exclusion.
By above structure, the utility model can realize single fan heat dissipation, the flexible switching of biparting radiating mode.Wherein single fan
In use, motor shaft drives the rotation of the first heat emission fan, due to being not fixed between driven shaft and motor shaft, the second heat emission fan will not be same
Step is rotated with the first heat emission fan；When biparting heat dissipation, the electromagnet driving permanent magnet that is powered is made reversely to push the first friction plate and the
Two friction plates both make to fit closely, and are transmitted by the friction of the first friction plate and the second friction plate, axle sleeve and driven shaft lock at
It is integrally driven simultaneously by motor shaft, the first heat emission fan, the heat dissipation of the second heat emission fan synchronous rotary increase ventilation quantity, improve heat dissipation
Efficiency.
Further, in high-efficient three-phase asynchronous motor described in the utility model, the casing is externally provided with controller,
The electromagnet is connect with controller.
It further, further include being arranged in casing in high-efficient three-phase asynchronous motor described in the utility model
Temperature sensor, the temperature sensor are connect with controller.
Further, in high-efficient three-phase asynchronous motor described in the utility model, first heat emission fan and second
Heat emission fan has the different numbers of blade.
Further, in high-efficient three-phase asynchronous motor described in the utility model, first friction plate has interior
Tooth, second friction plate have external tooth.
The beneficial effects of the utility model are: the utility model has single fan, biparting two kinds of radiating modes, it can be according to reality
State of temperature flexibly switches, and switching mode is simple, and only relying on the fitting of the first and second friction plate of electromagnetic propulsion locks axle sleeve and driven shaft
Only, guarantee that two heat emission fans operate synchronously；And if only if just enter biparting radiating mode when temperature is higher than controller preset temperature,
Airflow pressure is big, can achieve the purpose that rapid radiating and cooling and save the effect of electric energy in due course, using effect is good, reaches
To the purpose adaptively to radiate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the partial structural diagram of Fig. 1.
Fig. 3 is the partial structural diagram when first friction plate is bonded with the second friction plate.
Specific embodiment
The utility model is further described now in conjunction with attached drawing:
Referring to Fig.1 shown in-Fig. 3, a kind of high-efficient three-phase asynchronous motor described in the present embodiment, including casing 1, be located at machine
The drive end bearing bracket and rear end cap of 1 two sides of shell and positioned at 1 center of casing and run through drive end bearing bracket and rear end cap motor shaft 2, institute
The outside for stating rear end cap is also fixedly connected with heat dissipating housing 3.The motor shaft 2 stretches out fixing sleeve on the end of rear end cap and is equipped with one
Hollow axle sleeve 4, the axle sleeve 4 are fixed with the first heat emission fan 5 outside；Rotatably be fixedly connected on the heat dissipating housing 3 one with
The driven shaft 6 of 2 coaxial line of motor shaft, fixing sleeve is equipped with the second heat emission fan 7 on the driven shaft 6；Wherein, first heat emission fan
5 have the different numbers of blade from the second heat emission fan 7.
Multiple first friction plates 8 are connected with by spline in the axle sleeve 4, the driven shaft 6 reach axle sleeve 4 it is interior and its
Outer wall is connected with multiple second friction plates 9 by spline, first friction plate 8 and the second friction plate 9 be successively spaced setting and
With gap.First friction plate 8 has internal tooth, and second friction plate 9 has external tooth (not specifically illustrated in figure).
The present embodiment further includes the thrust assemblies having for pushing the first friction plate 8 to be bonded with the second friction plate 9, described to push away
Pressure component includes electromagnet 10, pushes disk 11, permanent magnet, and the electromagnet 10 is fixed on rear end cap, and the pushing disk 11 is sliding
Shifting is arranged on the driven shaft 6, and the permanent magnet is fixed on pushing disk 11 with electromagnet 10 relatively, and the electromagnet 10 is obstructed
It is attracting with permanent magnet when electric, electromagnet 10 be powered when with permanent magnet mutual exclusion.The casing 1 is externally provided with controller 13, the electromagnetism
Iron 10 is connect with controller 13, further includes the temperature sensor 12 being arranged in casing 1, the temperature sensor 12 and controller
13 connections.
The present embodiment feeds back to controller 13 by the working temperature in 12 real-time detection casing 1 of temperature sensor.When
It is at this time common single fan radiating mode, 10 no power of electromagnet, electromagnet 10 and permanent magnet when temperature is lower than preset critical value
Attracting, the first friction plate 8 and the second friction plate 9 be not by pushing that disk 11 squeezes and there are gaps, between motor shaft 2 and driven shaft 6
It is not fixed locked, the second heat emission fan 7 will not be driven by motor shaft 2, and only the first heat emission fan 5 rotates.
When temperature is more than critical value, controller is powered to electromagnet 10, and by electromagnet 10, identical charges repel each other with permanent magnet
Magnetic thrust push the extruding of the first friction plate 8 and the second friction plate 9 to be bonded, it is crowded due to the first friction plate 8 and the second friction plate 9
Pressure friction, axle sleeve 4 and 6 locking of driven shaft and cannot be relatively movable, the two is driven by motor shaft 2 is synchronous, and the first heat emission fan is driven
5,7 synchronous rotary of the second heat emission fan radiates, and greatly improves ventilation quantity, significantly improves radiating efficiency.
Specific embodiment described herein is only illustrative of the principle and efficacy of the utility model, not for
Limit the utility model.Any person skilled in the art all can be under the spirit and scope without prejudice to the utility model, to upper
It states embodiment and carries out modifications and changes.Therefore, as long as those of ordinary skill in the art is practical new without departing from this
All equivalent modifications or change completed under the revealed spirit of type and technical idea, should be wanted by the right of the utility model
It asks and is covered.
Claims (5)
1. a kind of high-efficient three-phase asynchronous motor including casing, the drive end bearing bracket positioned at casing two sides and rear end cap and is located at
The casing center and the motor shaft for running through drive end bearing bracket and rear end cap, the outside of the rear end cap are also fixedly connected with heat dissipating housing,
It is characterized by: the motor shaft, which stretches out fixing sleeve on the end of rear end cap, is equipped with a hollow axle sleeve, the axle sleeve is solid outside
Surely there is the first heat emission fan；Rotatably be fixedly connected with the driven shaft of one with motor shaft coaxial line on the heat dissipating housing, it is described from
Fixing sleeve is equipped with the second heat emission fan on moving axis；Multiple first friction plates, the driven shaft are connected with by spline in the axle sleeve
Reach in axle sleeve and its outer wall by spline be connected with multiple second friction plates, first friction plate and the second friction plate according to
Minor tick is arranged and has gap；It further include the thrust assemblies having for pushing the first friction plate to be bonded with the second friction plate, institute
It states thrust assemblies to include electromagnet, push disk, permanent magnet, the electromagnet is fixed on rear end cap, the pushing disk sliding set
Be located on driven shaft, the permanent magnet be fixed on push it is opposite with electromagnet on disk, and when the electromagnet no power and permanent magnetism
Iron phase inhale, electromagnet be powered when with permanent magnet mutual exclusion.
2. high-efficient three-phase asynchronous motor according to claim 1, it is characterised in that: the casing is externally provided with control
Device, the electromagnet are connect with controller.
3. high-efficient three-phase asynchronous motor according to claim 2, it is characterised in that: further include being arranged in casing
Temperature sensor, the temperature sensor are connect with controller.
4. high-efficient three-phase asynchronous motor according to claim 1, it is characterised in that: first heat emission fan and second
Heat emission fan has the different numbers of blade.
5. high-efficient three-phase asynchronous motor according to claim 1, it is characterised in that: first friction plate has interior
Tooth, second friction plate have external tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640080.7U CN209016883U (en) | 2018-10-10 | 2018-10-10 | A kind of high-efficient three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640080.7U CN209016883U (en) | 2018-10-10 | 2018-10-10 | A kind of high-efficient three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209016883U true CN209016883U (en) | 2019-06-21 |
Family
ID=66837970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821640080.7U Active CN209016883U (en) | 2018-10-10 | 2018-10-10 | A kind of high-efficient three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209016883U (en) |
-
2018
- 2018-10-10 CN CN201821640080.7U patent/CN209016883U/en active Active
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