CN104967243B - A kind of variable-frequency motor and water system - Google Patents
A kind of variable-frequency motor and water system Download PDFInfo
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- CN104967243B CN104967243B CN201510370992.1A CN201510370992A CN104967243B CN 104967243 B CN104967243 B CN 104967243B CN 201510370992 A CN201510370992 A CN 201510370992A CN 104967243 B CN104967243 B CN 104967243B
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Abstract
The invention discloses a kind of variable-frequency motor and water system.Variable-frequency motor, including shell, stator, rotor and frequency-variable module, the stator and rotor installation are in the housing, the rotor has rotating shaft, one end of the shell is output end, the other end of the shell is non-output end, one end of the rotating shaft is output end, the other end of the rotating shaft is non-output end, the output end of the rotating shaft stretches out the output end of the shell, formed with electric installation heat-dissipating cavity in the output end of the shell, axis direction extension of the height of the electrically installation heat-dissipating cavity along the rotating shaft, the rotating shaft has the rotating shaft extension for being used for coordinating the electrically installation heat-dissipating cavity extension, the frequency-variable module is arranged in the electrically installation heat-dissipating cavity.The overall volume for reducing variable-frequency motor is realized, improves the integrated level and reliability of variable-frequency motor.
Description
Technical field
The present invention relates to technical field of motors, more particularly to a kind of variable-frequency motor and water system.
Background technology
At present, motor is widely used in people's daily life and industrial production, and motor is substantially using logical
It is made of motor Technical Design, because the mismatch of operating condition and design conditions can cause motor operation efficiency and using effect
Rate greatly reduces.In order to solve the above problems, motor is commonly provided with frequency-variable module and carries out speed regulating control, and the pattern of variable-frequency motor goes out
It is existing, and control advantage that this pattern is protruded with it, the broad scope of application gradually instead of traditional mechanical speed governors and direct current tune
The scheme of speed.
But variable-frequency motor of the prior art is needed to control units such as motor extra configuration switch board installation frequency-variable modules
Part to meet the cooling requirements of the components such as frequency-variable module, switch board cause variable-frequency motor overall volume of the prior art larger and
Integrated level is relatively low；Also, when mounted, it is necessary to which motor is connected by external connection with switch board, installation wiring is complicated, and external
Line is exposed, and during variable-frequency motor use, trouble point is more.From the foregoing, it will be observed that the volume of variable-frequency motor of the prior art it is larger,
Integrated level is relatively low and reliability is relatively low.
The content of the invention
The technical problems to be solved by the invention are：A kind of variable-frequency motor and water system are provided, solved in the prior art
The defects of body of variable-frequency motor is larger, integrated level is low and reliability is poor, the overall volume for reducing variable-frequency motor is realized, improve and become
The integrated level and reliability of frequency motor.
Technical scheme provided by the invention is a kind of variable-frequency motor, including shell, stator, rotor and frequency-variable module, described
Shell has main cavity, and the stator and the rotor are arranged in main chamber body, and the rotor has rotating shaft, the shell
One end be output end, the other end of the shell is non-output end, and one end of the rotating shaft is output end, the rotating shaft
The other end be non-output end, the output end of the rotating shaft stretches out the output end of the shell, the output end of the shell
On formed with the electric installation heat-dissipating cavity independently of main chamber body, the height of the electrically installation heat-dissipating cavity is along described
The axis direction extension of rotating shaft, the rotating shaft have the rotating shaft extension for being used for coordinating the electrically installation heat-dissipating cavity extension,
The frequency-variable module is arranged in the electrically installation heat-dissipating cavity.
Further, the output end of the shell has output end cap, and the output end covers the wall body with evagination,
Heat-dissipating cover plate is additionally provided with the wall body, the electrically installation radiating is formed between the output end cap and the heat-dissipating cover plate
Cavity, the frequency-variable module are fixed on the heat-dissipating cover plate.
Further, the output end of the shell has output end cap, and the output end, which covers, is additionally provided with dissipating cover
Plate, the periphery of the heat-dissipating cover plate have annular flange, and the annular flange is fixed on the output end and covered, the output end
Electrically installation heat-dissipating cavity, the frequency-variable module are formed between lid and the heat-dissipating cover plate and is fixed on the heat-dissipating cover plate
On.
Further, the heat-dissipating cover plate is provided with through hole, and the rotating shaft runs through the through hole, shape on the heat-dissipating cover plate
Into there is multi-disc radiating fin, for the radiating fin around the radial arrangement of the through hole, radiating fin described in multi-disc surrounds shape
Into installing space, the output end of the rotating shaft is further fixedly arranged on radiator fan, and the radiator fan is located at the installing space
In.
Further, it is also equipped with power panel in the electrically installation heat-dissipating cavity；Wiring is additionally provided with the shell
Box, the terminal box are provided with manipulation display and junction block.
The present invention also provides a kind of variable-frequency motor, including shell, stator, rotor, electric motor fan and frequency-variable module, described outer
Shell has main cavity, and the stator and the rotor are arranged in main chamber body, and the rotor has rotating shaft, the shell
One end is output end, and the other end of the shell is non-output end, and one end of the rotating shaft is output end, the rotating shaft
The other end is non-output end, and the non-output end of the rotating shaft stretches out the non-output end of the shell, and the electric motor fan is fixed
In the non-output end of the rotating shaft, it is characterised in that formed with independently of main chamber body in the non-output end of the shell
Electric installation heat-dissipating cavity, it is described electrically installation heat-dissipating cavity height along the rotating shaft axis direction extension, it is described
Rotating shaft has the rotating shaft extension for being used for coordinating the electrically installation heat-dissipating cavity extension, and the frequency-variable module is arranged on the electricity
In gas installation heat-dissipating cavity.
Further, the non-output end of the shell has non-output end cap, and the non-output end is covered with evagination
Wall body, heat-dissipating cover plate is additionally provided with the wall body, the electricity is formed between the non-output end cap and the heat-dissipating cover plate
Gas installs heat-dissipating cavity, and the frequency-variable module is fixed on the heat-dissipating cover plate.
Further, the non-output end of the shell has non-output end cap, and the non-output end, which covers, to be additionally provided with
Heat-dissipating cover plate, the periphery of the heat-dissipating cover plate have annular flange, and the annular flange is fixed on the non-output end of the shell
Cover, electrically installation heat-dissipating cavity, the frequency-variable module are formed between the non-output end cap and the heat-dissipating cover plate and is consolidated
It is scheduled on the heat-dissipating cover plate.
Further, it is also equipped with power panel in the electrically installation heat-dissipating cavity；Wiring is additionally provided with the shell
Box, the terminal box are provided with manipulation display and junction block.
The present invention provides a kind of water system, including water pump, in addition to above-mentioned variable-frequency motor, the variable-frequency motor and institute again
State water pump connection.
Compared with prior art, the advantages and positive effects of the present invention are：Variable-frequency motor provided by the invention and the system that supplies water
System, by forming electrically installation heat-dissipating cavity on the shell of motor, frequency-variable module corresponding can be arranged on electrically installation and dissipate
Hot cavity, heat-dissipating cavity is electrically installed and is on the one hand used to integrate frequency-variable module to be assembled in shell, on the other hand electrically installation
Heat-dissipating cavity is additionally operable to distribute heat caused by frequency-variable module, and to meet the cooling requirements of frequency-variable module, and frequency-variable module integrates
In shell, realize and complete wiring connection inside the housing, without carrying out wiring in the outside of shell, during use,
Trouble point is less, improves the reliability of variable-frequency motor；Further, since rotating shaft is formed for coordinating electric installation heat-dissipating cavity to prolong
The rotating shaft extension stretched, electric heat-dissipating cavity of installing will make full use of the space that rotating shaft overhangs shell to install frequency-variable module etc.
Part so that the overall volume of variable-frequency motor is compacter, integrated level is higher, effectively reduces the overall body of variable-frequency motor
Product.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the explosive view of variable-frequency motor embodiment one of the present invention；
Fig. 2 is the sectional view of variable-frequency motor embodiment one of the present invention；
Fig. 3 is the close-up schematic view of a-quadrant in Fig. 2；
Fig. 4 is the structural representation of heat-dissipating cover plate in variable-frequency motor embodiment one of the present invention；
Fig. 5 is the explosive view of variable-frequency motor embodiment two of the present invention；
Fig. 6 is the sectional view of variable-frequency motor embodiment two of the present invention；
Fig. 7 is the structural representation of heat-dissipating cover plate in variable-frequency motor embodiment two of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
A kind of variable-frequency motor provided by the invention, including the part such as shell, stator, rotor and electric motor fan, rotor have
Rotating shaft, wherein, stator and rotor are arranged in the main cavity of shell, and the one end of shell will be formed with for installing frequency conversion mould
The electric installation heat-dissipating cavity of block, installation cavity separates with main cavity, during can avoiding stator and rotor operation, to peace
The electrical equipment behaveing affectedly in body, which produces electromagnetic interference or radiating etc., to be influenceed.Height of the electric installation heat-dissipating cavity is along rotating shaft
Axis direction extends, and rotating shaft has the rotating shaft extension for being used to coordinate electrically installation heat-dissipating cavity extension.Specifically, electrically installation
Heat-dissipating cavity can form the output end in shell, can also form the non-output end in shell, and corresponding, relatively
In the motor of same specification in the prior art, the rotating shaft of variable-frequency motor provided by the invention is had rotating shaft extension, prolonged using rotating shaft
Long portion increases the space and forms electrically installation heat-dissipating cavity, and electrically installs heat-dissipating cavity on shaft axis direction
Lap is formed between projection and rotating shaft extension.For motor of the prior art, rotating shaft stretches out the part of shell in itself
Larger space is just occupied, also, the space that the rotating shaft stretched out outside shell takes is in actual use, close to outside motor
The part of shell end be do not make full use of it is idle.Variable-frequency motor provided by the invention can make full use of outer side rotating shaft
Shared idle space, and, it is only necessary to the shorter rotating shaft extension of increase, and obtain large volume of electrically installation radiating
Cavity, because electrically installation heat-dissipating cavity can make full use of the surface area of outer casing end, so as to realize that extension rotating shaft is shorter
Distance, but larger electric installation heat-dissipating cavity is obtained, to meet to install the function of frequency-variable module, realize the maximum of integrated level
Change.Below for the diverse location of electric installation heat-dissipating cavity, it is described with reference to the drawings.
Embodiment one
As Figure 1-Figure 4, the present embodiment variable-frequency motor, including shell 1, stator 2, rotor 3, frequency-variable module 5 and motor
Fan 6, stator 2 and rotor 3 are arranged in shell 1, and rotor 3 has rotating shaft 31, and one end of shell 1 has output end cap 11, outside
The other end of shell 1 has non-output end cap 12, and one end of rotating shaft 31 is output end 311, and the other end of rotating shaft 31 is non-output end
312, the output end 311 of rotating shaft 31 stretches out the output end cap 11 of shell 1, and the non-output end 312 of rotating shaft 31 stretches out the non-defeated of shell 1
Go out end cap 12, electric motor fan 6 is fixed in the non-output end 312 of rotating shaft 31, also, electric motor fan 6 is covered in by fan housing 61.Its
In, in order to which frequency-variable module 5 is highly integrateable on shell 1, and meet cooling requirements simultaneously, shape on the output end cap 11 of shell 1
Into electric installation heat-dissipating cavity 110, the output end 311 of rotating shaft 31 forms rotating shaft positioned at the part of electrically installation heat-dissipating cavity 110
31 extension, through electrically installation heat-dissipating cavity 110, frequency-variable module 5 is arranged on electrically installation and dissipated the output end 311 of rotating shaft 31
In hot cavity 110.Output end cap 11 offers wire hole 112, and the connecting line of frequency-variable module 5 passes through wire hole 112 out of shell 1
Portion is connected with stator 2.
Specifically, the present embodiment variable-frequency motor by the integrated installation of frequency-variable module 5 by electrically installing heat-dissipating cavity 110
In, electrically installation heat-dissipating cavity 110 disclosure satisfy that the cooling requirements to frequency-variable module 5, also, because frequency-variable module 5 is positioned at electricity
In gas installation heat-dissipating cavity 110, the connecting line between frequency-variable module 5 and stator 2 is located in shell 1, avoids outside shell 1
Carry out line and cause the higher phenomenon of fault rate to occur, improve the operational reliability of the present embodiment variable-frequency motor.Wherein, by
In the output end 311 of rotating shaft 31 rotating shaft will be made full use of through electrically installation heat-dissipating cavity 110, electric heat-dissipating cavity 110 of installing
Space shared by 31 so that the overall structure of the present embodiment variable-frequency motor is compacter；Simultaneously as cavity is electrically installed
110 can make full use of the surface area of output end cap 11, extend the shorter distance of rotating shaft 31 so as to realize, but obtain larger electricity
Gas installs cavity 110, to meet to install the function of different electrical equipments, realizes the maximization of integrated level.In addition, electrically installation dissipates
Power panel 9 is also equipped with hot cavity 110；And terminal box 4 is additionally provided with shell 1, manipulation display is provided with terminal box 4
41 and junction block 42.Specifically, power panel 9 is connected by junction block 42 with extraneous supply lines, power panel 9 connects with frequency-variable module 5
Connect for powering, and the controller for manipulating display 41 and motor is connected to operating personnel to the progress of the present embodiment variable-frequency motor
Control, junction block 42 is used to be connected with externally fed line and order wire, to simplify the external connection quantity of the present embodiment variable-frequency motor.
Temperature sensor 21 is additionally provided with stator 2, temperature sensor 21 also connects from the controller of the inside of shell 1 and motor, and
The temperature of motor is shown by manipulating display 41.And frequency-variable module 5 can also be arranged on electrically peace in a manner of frequency modulation mainboard
Fill in heat-dissipating cavity 110.
Further, in order to improve the heat dispersion of electrically installation heat-dissipating cavity 110, set on the output end cap 11 of shell 1
Heat-dissipating cover plate 7 is equipped with, electrically installation heat-dissipating cavity 110 is formed between heat-dissipating cover plate 7 and output end cap 11, wherein, electrically installation
The generation type of heat-dissipating cavity 110 can have it is a variety of, such as：The wall body 111 of evagination is provided with the output end cap 11 of shell 1,
Heat-dissipating cover plate 7 covers in wall body 111 to form electrically installation heat-dissipating cavity 110, wherein, wall body 111 can be wall body, to cause
Wall body 111 forms the electric installation heat-dissipating cavity 110 of closing with end cap 11；Or the periphery of heat-dissipating cover plate 7 forms annular flange,
Annular flange is fixed on output end cap 11 to form electrically installation heat-dissipating cavity 110, and the present embodiment is to electrically installation heat dissipation cavity
110 specific generation type of body is not limited.Frequency-variable module 5 is fixed on heat-dissipating cover plate 7, and heat-dissipating cover plate 7 is provided with through hole 71, is turned
Axle 31 runs through through hole 71.Specifically, heat-dissipating cover plate 7 is made of excellent heat conductivity material, such as：The material such as aluminium or copper, frequency conversion
For heat caused by module 5 directly by the Quick diffusing of heat-dissipating cover plate 7 to outside, the area of dissipation of heat-dissipating cover plate 7 is larger, can be very
The good cooling requirements for meeting frequency-variable module 5.Preferably, the output end 311 of rotating shaft 31 is further fixedly arranged on radiator fan 8, dissipates
Hot-air fan 8 is located at the side of heat-dissipating cover plate 7.Specifically, in the rotation process of rotating shaft 31, radiator fan 8 will be driven to rotate simultaneously,
Radiator fan 8 will be to the quenching of heat-dissipating cover plate 7, so as to improve the heat dispersion of heat-dissipating cover plate 7；In addition, radiator fan 8 is direct
Rotating shaft 31 is fixed on, directly driving radiator fan 8 by rotating shaft 31 rotates, without using extra dynamical element so that overall
Structure is compacter and effectively reduces energy consumption raising heat dispersion, it is ensured that frequency-variable module 5 is reliably run.And heat-dissipating cover plate
Formed with multi-disc radiating fin 72 on 7, the area of dissipation that radiating fin 72 can effectively increase heat-dissipating cover plate 7 is radiated with improving
Performance.Wherein, radiating fin 72 dissipates around 71 radial arrangement of through hole, multi-disc radiating fin 72 around installing space 70 is formed
Hot-air fan 8 is located in installing space 70.Specifically, by the way that radiator fan 8 is arranged in installing space 70, on the one hand, radiating
Fan 8 is surrounded by radiating fin 72, and air-flow caused by radiator fan 8 can sufficiently flow through the surface of radiating fin 72, with
Radiating efficiency is improved, on the other hand, radiator fan 8 is surrounded by radiating fin 72, can sufficiently utilize the axis of rotating shaft 31
Space, improve space availability ratio so that compact overall structure, small volume, floor space in light weight, substantially reducing equipment,
The degree of protection of equipment is improved simultaneously.
Further, electrically installation heat-dissipating cavity 110 is provided with air inlet 1101, is formed between through hole 71 and rotating shaft 31
Air outlet 1102.Specifically, in the running of radiator fan 8, cool ambient air enters electric installation from air inlet 1101
The electric elements electrically in installation heat-dissipating cavity 110 are radiated in heat-dissipating cavity 110, the air after heat exchange is from air outlet
1102 outputs.Preferably, there is radiator fan 8 multi-disc to be arranged on blade 81 in rotating shaft 31, and blade 81 is around the shaft 31 in radiation
Shape is arranged；The height of the outer end of blade 31 is more than the height of the inner end of blade 31.Specifically, blade 31 is arranged to outer end table
Area is big and structure type that the surface area of inner end is small so that blade 31 when following rotating shaft 31 to rotate, the outside of blade 31
Pectinid area is big and the pectinid area of inner side is small, so as to form negative pressure at rotating shaft 31 in blade 31, in the presence of negative pressure,
Air flow amount between acceleration air inlet 1101 and air outlet 1102, air flow process is as follows：In the work of radiator fan 8
Under, the position that installing space 70 is located at air outlet 1102 forms negative pressure, electrically installs the air in heat-dissipating cavity 110 from air-out
Suction out in mouth 1102 and radially discharged by the gap between radiating fin 72, external wind enters electric peace from air inlet 1101
Fill in heat-dissipating cavity 110, so as to more effectively improve radiating efficiency.
Embodiment two
As shown in Figure 5-Figure 7, the present embodiment variable-frequency motor, including shell 1, stator 2, rotor 3, frequency-variable module 5 and motor
Fan 6, stator 2 and rotor 3 are arranged in shell 1, and rotor 3 has rotating shaft 31, and one end of shell 1 has output end cap 11, outside
The other end of shell 1 has non-output end cap 12, and one end of rotating shaft 31 is output end 311, and the other end of rotating shaft 31 is non-output end
312, the output end 311 of rotating shaft 31 stretches out the output end cap 11 of shell 1, and the non-output end 312 of rotating shaft 31 stretches out the non-defeated of shell 1
Go out end cap 12, electric motor fan 6 is fixed in the non-output end 312 of rotating shaft 31, also, electric motor fan 6 is covered in by fan housing 61.Its
In, in order to which frequency-variable module 5 is highly integrateable on shell 1, and meet cooling requirements simultaneously, the non-shape of output end cap 12 of shell 1
Into electric installation heat-dissipating cavity（It is not shown）, the non-output end 312 of rotating shaft 31 through electrically installation heat-dissipating cavity, rotating shaft 31 it is non-
Output end 312 forms the extension of rotating shaft 31 positioned at the part of electrically installation heat-dissipating cavity, and frequency-variable module 5 is arranged on electric installation
In heat-dissipating cavity.Non- output end cap 121 offers wire hole（It is not shown）, the connecting line of frequency-variable module 5 is through wire hole from outer
The inside of shell 1 is connected with stator 2.
Specifically, the present embodiment variable-frequency motor by by the integrated installation of frequency-variable module 5 electrically installation heat-dissipating cavity in,
Electrically installation heat-dissipating cavity disclosure satisfy that the cooling requirements to frequency-variable module 5, also, because frequency-variable module 5 is positioned at electrically installation
In heat-dissipating cavity, the connecting line between frequency-variable module 5 and stator 2 is located in shell 1, avoids and line is carried out outside shell 1
And cause the higher phenomenon of fault rate to occur, improve the operational reliability of the present embodiment variable-frequency motor.Wherein, due to rotating shaft 31
Non- output end 312 through electrically installation heat-dissipating cavity, sky shared by rotating shaft 31 will be made full use of by electrically installing heat-dissipating cavity
Between so that the overall structure of the present embodiment variable-frequency motor is compacter；Simultaneously as electrically installation cavity body can make full use of it is non-
The surface area of output end 312, extend the shorter distance of rotating shaft 31 so as to realize, but obtain larger electric installation cavity, with full
Foot installs the function of different electrical equipments, realizes the maximization of integrated level.In addition, electrically it is also equipped with electricity in installation heat-dissipating cavity
Source plate 9；And terminal box 4 is additionally provided with shell 1, manipulation display 41 and junction block 42 are provided with terminal box 4.Specifically,
Power panel 9 is connected to power with frequency-variable module 5, and manipulates display 41 and be connected to operating personnel to this with frequency-variable module 5
Embodiment variable-frequency motor is controlled, and junction block 42 is used to be connected with externally fed line and order wire, to simplify the present embodiment change
The external connection quantity of frequency motor.Be additionally provided with temperature sensor 21 on stator 2, temperature sensor 21 also from the inside of shell 1 with
Manipulation display 41 connects.
Further, in order to improve the heat dispersion of electrically installation heat-dissipating cavity, set on the non-output end cap 12 of shell 1
There is heat-dissipating cover plate 7, electrically installation heat-dissipating cavity is formed between heat-dissipating cover plate 7 and non-output end cap 12, wherein, electrically installation radiating
The generation type of cavity can have it is a variety of, such as：The wall body 121 of evagination, dissipating cover are provided with the non-output end cap 12 of shell 1
Plate 7 covers in wall body 121 to form electrically installation heat-dissipating cavity；Or the periphery of heat-dissipating cover plate 7 forms annular flange, annular is turned over
While being fixed on to form electrically installation heat-dissipating cavity on non-output end cap 12, the present embodiment is to the electrically installation specific shape of heat-dissipating cavity
It is not limited into mode.Frequency-variable module 5 is fixed on heat-dissipating cover plate 7, and heat-dissipating cover plate 7 is provided with through hole（It is not shown）, rotating shaft 31
Through through hole.Specifically, heat-dissipating cover plate 7 is made of excellent heat conductivity material, such as：The material such as aluminium or copper, frequency-variable module 5 produce
For raw heat directly by the Quick diffusing of heat-dissipating cover plate 7 to outside, the area of dissipation of heat-dissipating cover plate 7 is larger, can be good at full
The cooling requirements of sufficient frequency-variable module 5.Preferably, formed with multi-disc radiating fin 72 on heat-dissipating cover plate 7, radiating fin 72 is around through hole
Radial arrangement, outside air blow to heat-dissipating cover plate 7 via electric motor fan 6 and are radiated and flow to via radiating fin 72
Motor radiating is carried out on shell 1.And in order to reduce volume to greatest extent so that overall structure is compacter, radiating fin 72
Around the dished installing space of through hole shape, and electric motor fan is located in installing space, improves space availability ratio so that overall knot
Structure is compact, small volume, floor space in light weight, substantially reducing equipment, while improves the degree of protection of equipment.
Further, the periphery of heat-dissipating cover plate 7 has turnup structure 71, and heat-dissipating cover plate 7 is fixed on by turnup structure 71
On wall body 121, formed with the air inlet 711 and air outlet connected with electrically installing heat-dissipating cavity on turnup structure 71（Do not scheme
Show）, air outlet is provided with cooling fan 712.Specifically, air inlet 711 and air outlet are oppositely arranged, outside air is from air inlet
711 enter Radial Flow in electrically installation heat-dissipating cavity discharges from air outlet, by increasing cooling fan 712 to electrically installation
Air blast cooling is carried out inside heat-dissipating cavity, can more effectively improve radiating efficiency, and cooling fan 712 can be directly by interior
Portion's cabling is connected with power panel 9 and is powered.
In addition, the present invention provides a kind of water system, including water pump, in addition to above-mentioned variable-frequency motor again, variable-frequency motor with
Water pump connects.
Variable-frequency motor provided by the invention and water system, by forming electrically installation heat dissipation cavity on the shell of motor
Body, frequency-variable module corresponding can be arranged on electrically installation heat-dissipating cavity, and electrically on the one hand installation heat-dissipating cavity is used for frequency conversion
Module is integrated to be assembled on shell, and on the other hand electrically installation heat-dissipating cavity is additionally operable to distribute heat caused by frequency-variable module, with
Meet the cooling requirements of frequency-variable module, and frequency-variable module is integrated in shell, is realized and is completed wiring connection inside the housing, without
The carry out wiring in the outside of shell is needed, during use, trouble point is less, improves the reliability of variable-frequency motor；In addition,
Because rotating shaft is formed for coordinating the rotating shaft extension that electrically installation heat-dissipating cavity extends, electrically installing heat-dissipating cavity will be fully sharp
The space of shell is overhang with rotating shaft to install the parts such as frequency-variable module so that the overall volume of variable-frequency motor is compacter, collection
Into Du Genggao, effectively reduce the overall volume of variable-frequency motor.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (3)
1. a kind of variable-frequency motor, including shell, stator, rotor and frequency-variable module, the shell has a main cavity, the stator and
The rotor is arranged in main chamber body, and the rotor has a rotating shaft, and one end of the shell is output end, the shell
The other end be non-output end, one end of the rotating shaft is output end, and the other end of the rotating shaft is non-output end, described turn
The output end of axle stretches out the output end of the shell, it is characterised in that in the output end of the shell formed with independently of
The electric installation heat-dissipating cavity of main chamber body, it is described that axis direction of the height of heat-dissipating cavity along the rotating shaft is electrically installed
Extension, the rotating shaft have the rotating shaft extension for being used for coordinating the electrically installation heat-dissipating cavity extension, and the frequency-variable module is set
Put in the electrically installation heat-dissipating cavity；
The output end of the shell, which covers, is provided with heat-dissipating cover plate, is formed between heat-dissipating cover plate and the output end cap described electric
Heat-dissipating cavity is installed, the frequency-variable module is fixed on the heat-dissipating cover plate；
The heat-dissipating cover plate is provided with through hole, and the rotating shaft runs through the through hole, radiated on the heat-dissipating cover plate formed with multi-disc
Fin, the radiating fin is around the radial arrangement of the through hole, and radiating fin described in multi-disc surrounds and forms installing space, institute
The output end for stating rotating shaft is further fixedly arranged on radiator fan, and the radiator fan is located in the installing space；
The electrically installation heat-dissipating cavity is provided with air inlet, and air outlet is formed between the through hole and the rotating shaft；It is described to dissipate
Hot-air fan has the blade that multi-disc is arranged in the rotating shaft, and the blade is around the radial arrangement of the rotating shaft, the blade
The height of outer end is more than the height of blade inner end；
In the presence of the radiator fan, the position that the installing space is located at the air outlet forms negative pressure, described electric
Air in installation heat-dissipating cavity is suctioned out from the air outlet and radially discharged by the gap between the radiating fin, outside
Boundary's wind is entered in the electrically installation heat-dissipating cavity from the air inlet.
2. variable-frequency motor according to claim 1, it is characterised in that be also equipped with electricity in the electrically installation heat-dissipating cavity
Source plate；Terminal box is additionally provided with the shell, the terminal box is provided with manipulation display and junction block.
3. a kind of water system, including water pump, it is characterised in that also include the variable-frequency motor as described in claim 1-2 is any,
The variable-frequency motor is connected with the water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510370992.1A CN104967243B (en) | 2015-06-30 | 2015-06-30 | A kind of variable-frequency motor and water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510370992.1A CN104967243B (en) | 2015-06-30 | 2015-06-30 | A kind of variable-frequency motor and water system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104967243A CN104967243A (en) | 2015-10-07 |
| CN104967243B true CN104967243B (en) | 2018-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510370992.1A Active CN104967243B (en) | 2015-06-30 | 2015-06-30 | A kind of variable-frequency motor and water system |
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| JP5619279B2 (en) * | 2011-05-11 | 2014-11-05 | 三菱電機株式会社 | Electric power steering device |
| EP2730010A1 (en) * | 2011-07-08 | 2014-05-14 | Hanning Elektro-Werke GmbH & Co. KG | Electric motor |
| CN204271832U (en) * | 2014-12-01 | 2015-04-15 | 李龙 | One bicavate intelligent frequency-conversion motor |
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