CN112054635A - AC asynchronous stepless speed regulating motor - Google Patents
AC asynchronous stepless speed regulating motor Download PDFInfo
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- CN112054635A CN112054635A CN202010887090.6A CN202010887090A CN112054635A CN 112054635 A CN112054635 A CN 112054635A CN 202010887090 A CN202010887090 A CN 202010887090A CN 112054635 A CN112054635 A CN 112054635A
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- 230000001105 regulatory effect Effects 0.000 title abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 206
- 239000002184 metal Substances 0.000 claims description 48
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- 238000009413 insulation Methods 0.000 claims description 32
- 238000005192 partition Methods 0.000 claims description 23
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- 230000033228 biological regulation Effects 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000002826 coolant Substances 0.000 abstract description 78
- 230000000694 effects Effects 0.000 abstract description 40
- 238000005253 cladding Methods 0.000 abstract description 14
- 230000005489 elastic deformation Effects 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000007480 spreading Effects 0.000 abstract description 3
- 238000003892 spreading Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- 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
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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Abstract
The invention belongs to the technical field of stepless speed regulating motors, and particularly relates to an alternating current asynchronous stepless speed regulating motor which comprises a motor; the stepless speed regulating motor is provided with the cooling shell, and the cooling medium is added into the cooling shell, such as: water, cooling oil, and the like; can make the cooling medium cladding completely in the outside of motor, the heat transfer on motor surface is to in the cooling medium, make the motor have even radiating effect, the motor passes through the backup pad to be supported and fixes the middle part at the cooling casing, make the cooling medium in the cooling casing fill completely around the motor, fully dispel the heat, the rubber pad with motor surface contact in the backup pad can be at certain degree elastic deformation, the vibration power is offset to the corresponding elastic deformation of rubber pad when the motor operation and produce vibration, make the motor in the inside stable work of cooling casing, the vibration power of motor during operation is difficult for spreading the outside of cooling casing, and the cooling medium in the cooling casing directly coats the motor, certain syllable-dividing effect also has.
Description
Technical Field
The invention belongs to the technical field of stepless speed regulating motors, and particularly relates to an alternating current asynchronous stepless speed regulating motor.
Background
Stepless speed regulation, called CV speed change for short, is formed by two groups of gears or belt pulleys with changeable diameters, connected by chains or belts, and the speed change ratio is controlled by changing the diameters of the gears or the belt pulleys. The belt and chain are physically limited, so that the belt and chain cannot be used for engines with large torque.
The stepless speed regulating motor is one motor with relatively high use performance and has its rotation speed changed by means of changing the magnetic pole pair number, voltage, current, frequency, etc.
Because of its excellent performance, the adjustable-speed motor is widely used in the industrial departments of steel, power station, cable, chemical industry, petroleum, cement, textile, printing and dyeing, paper making, machinery and the like for the stepless speed regulation of load machinery with constant torque or decreasing torque, especially suitable for the load support of pumps and fans with large flow variation, and can obtain good energy-saving effect.
In the prior art, the stepless speed regulation motor has poor heat dissipation performance, the heat dissipation is not uniform when the heat is dissipated through a fan, the vibration force is large when the stepless speed regulation motor is started, and accordingly large noise is generated.
Therefore, an alternating current asynchronous stepless speed regulating motor is provided for solving the defects.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problem of the stepless speed regulating motor, the invention provides the alternating current asynchronous stepless speed regulating motor which mainly solves the technical problems that the prior stepless speed regulating motor has poor heat dissipation performance, uneven heat dissipation is realized when a fan is used for heat dissipation, the vibration force is large when the stepless speed regulating motor is started, and correspondingly large noise is generated.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an alternating current asynchronous stepless speed regulating motor, which comprises a motor; a cooling shell is coated outside the motor; the cooling shell is of a rectangular shell structure with an opening at one side; a first cover is fixed at the opening of the cooling shell through a screw; a plurality of groups of rubber pads attached to the outer surface of the motor are arranged in the cooling shell; a plurality of groups of supporting plates are fixedly welded on the inner wall of the cooling shell; the rubber pad is fixed at the end part of the supporting plate; the end part of the motor is connected with a motor rotating shaft in a transmission way; a groove body which is sunken towards one side of the motor is arranged in the middle of the first cover; the bottom of the groove body is integrally provided with a sleeve which is attached to the surface of the motor and sleeved on the outer ring of the rotating shaft of the motor; the surface of the first cover is provided with a rectangular groove positioned at the end part of the groove body; the motor is fixed on the surface of the motor through a screw; the upper end and the lower end of the motor are provided with conductive connecting poles; the surface of the first cover is integrally provided with a separation cylinder which is sunken towards one side of the motor, and the end part of the separation cylinder is integrally provided with a fixing ring which is fixed on the surface of the motor through a screw; a sealing gasket which is hermetically attached to the surface of the motor is fixedly arranged on the surface of the fixing ring; the conductive connecting pole is arranged in the separation cylinder.
During operation, the motor can drive the motor shaft and rotate, adds in cooling shell and has coolant, if: water, cooling oil, and the like; the cooling medium can be completely coated outside the motor, the heat on the surface of the motor is transferred to the cooling medium, so that the motor has the function of uniform heat dissipation, the outer ring of a motor rotating shaft on the motor is separated from the cooling medium in the cooling shell through groove body coating, a conductive connecting pole on the motor is separated from the cooling medium in the cooling shell through a separating cylinder, so that the mechanical energy output end and the electric energy input and output end of the motor can normally work, the motor is supported and fixed in the middle of the cooling shell through a supporting plate, the periphery of the motor is completely filled with the cooling medium in the cooling shell, the heat is sufficiently dissipated, a rubber pad in contact with the surface of the motor on the supporting plate can elastically deform to a certain degree, the corresponding elastic deformation of the rubber pad counteracts the vibration force when the motor runs and vibrates, so that the motor stably works in the cooling shell, and the vibration force of, and the cooling medium in the cooling shell directly coats the motor, and a certain sound insulation effect is achieved, so that the sound transmitted when the motor works is reduced.
Preferably, the cooling shell is externally coated with a heat insulation shell; the heat insulation shell is of a rectangular shell structure with an opening at one side, and a second cover is fixed at the opening end of the heat insulation shell through a screw; the second cover is integrally connected with the first cover; a cooling cavity is formed between the heat insulation shell and the cooling shell;
the during operation, the outside cladding that the casing will be cooled off to the casing that separates the temperature, plays thermal-insulated effect, avoids during outside heat transfer to the coolant in the cooling casing, and the open end that separates the temperature casing conveniently opens, and the opening that separates the temperature casing and the opening part of cooling casing are used for the integrative setting of sealed fixed second lid and first lid and pass through the fix with screw, make things convenient for monolithic stationary and connection, have guaranteed good leakproofness.
Preferably, a sound absorption cotton plate is arranged in the cooling cavity; the sound-absorbing cotton plates are in inclined plate-shaped structures and are provided with a plurality of groups in a staggered manner; two ends of the sound-absorbing cotton plate are respectively fixed on the inner walls of two sides of the cooling cavity; the surface of the sound-absorbing cotton plate is provided with a plurality of groups of sound-absorbing holes which penetrate through the surfaces of the two sides of the sound-absorbing cotton plate;
the during operation, the cotton board of sound is inhaled to the multiunit has sound absorption effect, and the sound hole of inhaling on the cotton board of multiunit sound supplies the sound transmission and reduces gradually to the elimination, and holistic sound cotton board of inhaling has good sound syllable-dividing effect of inhaling, and inhales the cotton board of sound and lie in the cooling cavity, and the outside of cooling cavity cladding at motor and cooling casing has avoided the spread of motor during operation sound, in the device, the syllable-dividing of motor mainly comprises two convenience: on one hand, when the motor vibrates in the cooling shell, the vibration is reduced through the rubber pad which can elastically deform, so that the noise is reduced; on the other hand, inhale the cotton board of sound and have the cladding in the cooling chamber and absorb the effect with the sound of motor department transmission and separation, it is effectual to give sound insulation.
Preferably, the heat-insulating shell is externally coated with a heat-exchanging shell; a heat exchange cavity is formed between the heat exchange shell and the heat insulation shell; a plurality of groups of concave metal cooling shells are arranged on the side surface of the heat exchange shell; the outer side surface of the heat insulation shell is fixedly provided with a metal cooling plate body inserted into the concave-shaped inner part of the metal cooling shell; the heat exchange shell is of a rectangular shell structure with one open end, and a third cover is fixed at the opening of the heat exchange shell through a screw; the third cover and the second cover are integrally arranged;
the during operation, the coolant of storage can circulate in the heat transfer chamber in the cooling casing, the coolant that circulates in the heat transfer chamber makes a round trip to circulate through the space department between metal cooling casing and the metal cooling plate body, the outside that the heat accessible metal cooling casing in the coolant transmitted the heat transfer casing is taken away by natural wind, the purpose of keeping coolant and outside temperature unanimous has been played, and keep the coolant cladding unanimous with outside temperature when the motor is outside, can cool down the motor to unanimous with outside temperature, good cooling effect has been played, when in-service use, its cooling effect probably reduces because of other external forces have some deviations because of the fact, still can play good cooling effect.
Preferably, a second pipeline communicated between the cooling shell and the heat exchange cavity is arranged above one side of the motor; a first pipeline communicated between the cooling shell and the heat exchange cavity is arranged below one side of the motor; a power unit communicated with the end part of the first pipeline is arranged in the heat exchange cavity; a first clapboard is fixedly welded on the inner wall of the first cover above the first pipeline; the first partition plate is sealed at a gap between the motor and the first cover; a second partition plate is fixedly welded above the inner wall of one end, close to the first cover, of the cooling shell; the second partition plate is arranged between the second pipeline and the motor;
when the cooling device works, the power unit pumps cooling medium cooled by the metal cooling shell into the first pipeline and discharges the cooling medium into the cooling shell, the first partition plate is sealed between the motor and the first cover, so the cooling medium entering through the first pipeline can be guided by the first partition plate and flows into the rear part of the motor, then the cooling medium passes through the upper part of the motor and is guided again by the second partition plate and then enters the heat exchange cavity through the second pipeline for circulation, the second partition plate is combined with the first partition plate, the effect of uniform cooling can be achieved by fully uniformly circulating the cooling medium in the cooling shell outside of the motor, the motor is covered by the coated cooling medium, the cooling is uniform, and the power unit can use devices such as a water pump and the like.
Preferably, a discharge pipe communicated with the inside and the outside of the heat exchange cavity is arranged above one side of the heat exchange shell; a discharge pipe communicated with the inside and the outside of the heat exchange cavity is arranged below the third cover; the discharge pipe and the discharge pipe are both connected with a plug in a threaded fit manner;
when the cooling device works, when the plug at the position of the discharge pipe is opened, cooling medium can be added into the heat exchange cavity and the cooling shell, and when the plug at the position of the discharge pipe is opened, the cooling medium in the heat exchange cavity and the cooling shell can be discharged from the discharge pipe, so that the cooling device is convenient to replace and use.
Preferably, an installation groove is formed in the blocking cylinder; an insulating hollow rod is movably inserted in the mounting groove; the end part of the insulating hollow rod is fixedly provided with a plugging block which is hermetically attached to the inner ring of the blocking cylinder; a socket is integrally arranged at one end of the insulating hollow rod, which is far away from the motor;
during operation, insulating hollow rod is when the mounting groove, the chucking of stopper piece is in a separation section of thick bamboo, accomplishes insulating hollow rod's fixed, and insulating hollow rod uses insulating material preparation, and the socket is used for outside wire rod to insert to close in the socket be used for accomplishing and the motor between the electric connection.
Preferably, a conductive rod is arranged inside the insulating hollow rod; the end part of the conducting rod is provided with a slot; the conductive connecting electrode is movably inserted in the slot; the end part of the conducting rod is provided with an arc surface at the outer ring of the slot;
when the electric conduction device works, when the electric conduction connecting poles are movably inserted into the electric conduction rods, the electric conduction connecting poles are electrically connected with the electric conduction rods, the two groups of electric conduction connecting poles are respectively the positive pole and the negative pole of the motor, when the corresponding electric conduction heads with the power supply and the electric conduction rods are inserted into the two groups of sockets to form electric connection in a laminating mode, a whole forming path is formed, the motor can work normally, the arc-shaped surfaces are arranged at the outer rings of the slots at the end portions of the electric conduction rods, when the electric conduction rods are inserted into the insulating hollow rods conveniently, the end portions of the electric conduction connecting poles are rapidly avoided in contact with the arc-shaped surfaces and are easily inserted.
Preferably, one end of the blocking barrel, which is far away from the motor, passes through the outside of the third cover; the third cover, the second cover, the first cover and the blocking cylinder are integrally connected;
during operation, at first, will cool off the outside of casing concatenation at the motor, the fixed first screw of covering, then will separate the outside of temperature housing cover at the cooling casing, the screw that the fixed second was covered, the heat transfer casing is established to final cover, and the screw that the fixed third was covered is installed step by step, fixes step by step, and fixes fixed first lid, second lid and the third lid integrative setting step by step, stable in structure.
Preferably, the metal cooling plate body is of a rectangular plate-shaped structure; certain gaps are respectively kept between the end part and the side surface of the metal cooling plate body and the bottom and the side surface of the metal cooling shell;
during operation, the cooling medium that flows through in the heat transfer chamber passes through the clearance between metal cooling casing and the metal cooling plate body, and when the cooling medium directly passes through the clearance between metal cooling casing and the metal cooling plate body, cool off through metal cooling casing and outside cold and heat exchange, with the heat discharge in the cooling medium, and the area of contact when metal cooling casing and metal cooling plate body's cooperation structure has increased the cold and heat exchange of cooling medium, increases the cooling effect.
Preferably, the support plate is of a rectangular plate-shaped structure; a plurality of groups of supporting plates are arranged around the peripheral side surfaces and the bottom surface of the motor; the width of the supporting plate is equal to that of the motor, and the width of the supporting plate is smaller than that of the cooling shell;
during operation, the multiunit backup pad that sets up with the motor isopachous can play good supporting role to the motor, supports stably, and the width of backup pad is less than the width of cooling housing to the direct circulation of coolant in the convenient cooling housing circulates.
The invention has the following beneficial effects:
1. the invention relates to an alternating current asynchronous stepless speed regulating motor, which is characterized in that a cooling shell is arranged, and a cooling medium is added into the cooling shell, such as: water, cooling oil, and the like; can make the cooling medium cladding completely in the outside of motor, the heat transfer on motor surface is to in the cooling medium, make the motor have even radiating effect, the motor passes through the backup pad to be supported and fixes the middle part at the cooling casing, make the cooling medium in the cooling casing fill completely around the motor, fully dispel the heat, the rubber pad with motor surface contact in the backup pad can be at certain degree elastic deformation, the vibration power is offset to the corresponding elastic deformation of rubber pad when the motor operation and produce vibration, make the motor in the inside stable work of cooling casing, the vibration power of motor during operation is difficult for spreading the outside of cooling casing, and the cooling medium in the cooling casing is direct with the motor cladding, certain syllable-dividing effect also has, make the sound that the motor during operation passed out reduce.
2. According to the alternating current asynchronous stepless speed regulating motor, the heat insulation shell is arranged, the heat insulation shell covers the outside of the cooling shell, the heat insulation effect is achieved, external heat is prevented from being transmitted to cooling media in the cooling shell, the sound absorption cotton plates are arranged in the cooling cavity, the sound absorption cotton plates have the sound absorption effect, the sound absorption holes in the sound absorption cotton plates are used for sound transmission and gradually reduced to be eliminated, the whole sound absorption cotton plate has good sound absorption and sound insulation effects, the sound absorption cotton plate is located in the cooling cavity, the cooling cavity covers the outside of the motor and the cooling shell, and sound transmission during operation of the motor is avoided.
3. The invention relates to an alternating current asynchronous stepless speed regulating motor, which is characterized in that a heat exchange cavity is formed between a heat exchange shell and a heat insulation shell, a cooling medium stored in a cooling shell can flow in the heat exchange cavity, the cooling medium circulating in the heat exchange cavity circulates back and forth through the gap between the metal cooling shell and the metal cooling plate body, the heat in the cooling medium can be transferred to the outside of the heat exchange shell through the inner wall of the metal cooling shell and taken away by natural wind, the purpose of keeping the temperature of the cooling medium consistent with the temperature of the outside is achieved, when the cooling medium which keeps consistent with the external temperature is coated outside the motor, the motor can be cooled to be consistent with the external temperature, thereby playing a good cooling effect, the cooling effect may be reduced due to deviation of other external factors, but a good cooling effect can still be achieved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 1 at A;
FIG. 6 is a partial enlarged view of FIG. 4 at B;
FIG. 7 is an enlarged view of a portion of FIG. 4 at C;
FIG. 8 is an enlarged view of a portion of FIG. 4 at D;
in the figure: the heat-insulating and heat-exchanging device comprises a motor 1, a cooling shell 2, a cooling cavity 3, a heat-insulating shell 4, a heat-exchanging shell 5, a heat-exchanging cavity 6, a sound-absorbing cotton plate 7, a sound-absorbing hole 8, a supporting plate 9, a plug 10, a discharge pipe 11, a second cover 12, a first cover 13, a third cover 14, a mounting groove 15, a rectangular groove 16, a motor rotating shaft 17, a groove body 18, an insulating hollow rod 19, a socket 20, a discharge pipe 21, a metal cooling shell 22, a metal cooling plate body 23, a second partition plate 24, a second pipeline 25, a rubber pad 26, a first partition plate 27, a first pipeline 28, a power unit 29, a separation cylinder 30, a conductive rod 31, a slot 32, a fixing ring 33, a conductive connecting pole 34, an arc.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 8, the ac asynchronous stepless speed regulating motor according to the present invention includes a motor 1; the motor 1 is externally coated with a cooling shell 2; the cooling shell 2 is of a rectangular shell structure with an opening at one side; a first cover 13 is fixed at the opening of the cooling shell 2 through a screw; a plurality of groups of rubber pads 26 attached to the outer surface of the motor 1 are arranged in the cooling shell 2; a plurality of groups of supporting plates 9 are fixedly welded on the inner wall of the cooling shell 2; the rubber pad 26 is fixed at the end of the supporting plate 9; the end part of the motor 1 is connected with a motor rotating shaft 17 in a transmission way; a groove body 18 which is sunken towards one side of the motor 1 is arranged in the middle of the first cover 13; the bottom of the groove body 18 is integrally provided with 37 attached to the surface of the motor 1, and the 37 is sleeved on the outer ring of the motor rotating shaft 17; the surface of the first cover 13 is provided with a rectangular groove 16 positioned at the end part of the groove body 18; the 37 is fixed on the surface of the motor 1 through screws; the upper end and the lower end of the motor 1 are both provided with a conductive connecting pole 34; the surface of the first cover 13 is integrally provided with a separation cylinder 30 which is sunken towards one side of the motor 1, and the end part of the separation cylinder 30 is integrally provided with a fixing ring 33 which is fixed on the surface of the motor 1 through a screw; a sealing gasket 36 which is hermetically attached to the surface of the motor 1 is fixedly arranged on the surface of the fixing ring 33; the conductive connection pole 34 is arranged in the barrier cylinder 30.
During operation, motor 1 can drive motor shaft 17 and rotate, adds in cooling housing 2 and has coolant, if: water, cooling oil, and the like; the cooling medium can be completely coated outside the motor 1, the heat on the surface of the motor 1 is transferred to the cooling medium, so that the motor 1 has the function of uniform heat dissipation, the outer ring of a motor rotating shaft 17 on the motor 1 is coated by the groove body 18 and separated from the cooling medium inside the cooling shell 2, the conductive connecting pole 34 on the motor 1 is separated from the cooling medium inside the cooling shell 2 by the separating cylinder 30, so that the mechanical energy output end and the electric energy input and output end of the motor 1 work normally, the motor 1 is supported and fixed in the middle of the cooling shell 2 by the supporting plate 9, so that the periphery of the motor 1 is completely filled with the cooling medium in the cooling shell 2, the heat is sufficiently dissipated, the rubber pad 26 on the supporting plate 9, which is in contact with the surface of the motor 1, can elastically deform to a certain degree, the corresponding elastic deformation of the rubber pad 26 counteracts the vibration force when the motor 1 operates and, the vibration force of the motor 1 during operation is not easy to be transmitted out of the cooling shell 2, and the cooling medium in the cooling shell 2 directly coats the motor 1, so that a certain sound insulation effect is achieved, and the sound transmitted by the motor 1 during operation is reduced.
As an embodiment of the present invention, the cooling casing 2 is externally covered with a thermal insulation casing 4; the heat insulation shell 4 is of a rectangular shell structure with an opening at one side, and a second cover 12 is fixed at the opening end of the heat insulation shell 4 through a screw; the second cover 12 is integrally connected with the first cover 13; a cooling cavity 3 is formed between the heat insulation shell 4 and the cooling shell 2;
the during operation, the outside cladding that separates temperature casing 4 will cool off casing 2 plays thermal-insulated effect, avoids during outside heat transfer to the coolant in cooling casing 2, and separates the open end of temperature casing 4 and conveniently open, and separates the opening of temperature casing 4 and the opening part of cooling casing 2 and be used for sealed fixed second lid 12 and first lid 13 an organic whole to set up and pass through the fix with screw, makes things convenient for monolithic stationary and connection, has guaranteed good leakproofness.
As an embodiment of the present invention, the cooling cavity 3 is provided with a sound absorption cotton plate 7; the sound absorption cotton plates 7 are in inclined plate-shaped structures and are provided with a plurality of groups in a staggered manner; two ends of the sound-absorbing cotton plate 7 are respectively fixed on the inner walls of two sides of the cooling cavity 3; the surface of the sound-absorbing cotton plate 7 is provided with a plurality of groups of sound-absorbing holes 8 which penetrate through the surfaces of two sides of the sound-absorbing cotton plate 7;
the during operation, the cotton board 7 of sound is inhaled to the multiunit has sound absorbing effect, and the cotton board 7 of sound is inhaled to the multiunit on inhale sound hole 8 and supply the sound transmission and reduce gradually to eliminating, and holistic cotton board 7 of inhaling has good sound absorbing syllable-dividing effect, and inhales cotton board 7 of sound and be located cooling cavity 3, and the outside of cooling cavity 3 cladding at motor 1 and cooling shell 2 has avoided transmitting of motor 1 during operation sound, in the device, motor 1's syllable-dividing mainly comprises two convenience: on the one hand, when the motor 1 vibrates in the cooling housing 2, the vibration is reduced through the elastic deformable rubber pad 26, so that the noise is reduced; on the other hand, inhale cotton board 7 of sound and have the cladding in the cooling chamber 3 outside and with the effect of the sound absorption and the separation of motor 1 department transmission, it is effectual to give sound insulation.
As an embodiment of the present invention, the heat insulation shell 4 is externally covered with a heat exchange shell 5; a heat exchange cavity 6 is formed between the heat exchange shell 5 and the heat insulation shell 4; a plurality of groups of concave metal cooling shells 22 which are inwards sunken in a shape of Chinese character 'ao' are arranged on the side surface of the heat exchange shell 5; a metal cooling plate body 23 inserted into the concave-shaped inner part of the metal cooling shell 22 is fixedly arranged on the outer side surface of the heat insulation shell 4; the heat exchange shell 5 is of a rectangular shell structure with an opening at one end, and a third cover 14 is fixed at the opening of the heat exchange shell 5 through a screw; the third cover 14 is provided integrally with the second cover 12;
when the cooling device works, the cooling medium stored in the cooling shell 2 can flow in the heat exchange cavity 6, the cooling medium flowing in the heat exchange cavity 6 circulates back and forth through a gap between the metal cooling shell 22 and the metal cooling plate body 23, heat in the cooling medium can be transferred to the outside of the heat exchange shell 5 through the inner wall of the metal cooling shell 22 and is taken away by natural wind, the purpose of keeping the cooling medium consistent with the outside temperature is achieved, and when the cooling medium consistent with the outside temperature is coated outside the motor 1, the motor 1 can be cooled to be consistent with the outside temperature, a good cooling effect is achieved, when the cooling device is used in practice, the cooling effect can be reduced due to deviation of other external forces, and the good cooling effect can be achieved.
As an embodiment of the invention, a second pipeline 25 communicated between the cooling shell 2 and the heat exchange cavity 6 is arranged above one side of the motor 1; a first pipeline 28 communicated between the cooling shell 2 and the heat exchange cavity 6 is arranged below one side of the motor 1; a power unit 29 communicated with the end part of the first pipeline 28 is arranged in the heat exchange cavity 6; a first clapboard 27 is fixedly welded on the inner wall of the first cover 13 above the first pipeline 28; the first partition plate 27 is sealed at a gap between the motor 1 and the first cover 13; a second partition plate 24 is fixedly welded above the inner wall of one end of the cooling shell 2 close to the first cover 13; the second partition 24 is arranged between the second duct 25 and the motor 1;
when the cooling device works, the power unit 29 pumps the cooling medium cooled by the metal cooling shell 22 in the heat exchange cavity 6 into the first pipeline 28 and discharges the cooling medium into the cooling shell 2, because the first partition plate 27 is sealed between the motor 1 and the first cover 13, the cooling medium entering through the first pipeline 28 is guided by the first partition plate 27 and flows into the rear of the motor 1, then passes through the upper part of the motor 1, is guided again by the second partition plate 24, and then enters the heat exchange cavity 6 through the second pipeline 25 to circulate, the second partition plate 24 is combined with the first partition plate 27, so that the cooling medium in the cooling shell 2 can fully and uniformly circulate outside the motor 1 in the cooling shell 2 to achieve the effect of uniform cooling, the outside of the motor 1 is covered by the coated cooling medium, the cooling is uniform, and the power unit 29 can use devices such as a water pump and the like.
As an embodiment of the invention, a discharge pipe 21 communicating the inside and the outside of the heat exchange cavity 6 is arranged above one side of the heat exchange shell 5; a discharge pipe 11 communicated with the inside and the outside of the heat exchange cavity 6 is arranged below the third cover 14; the discharge pipe 11 and the discharge pipe 21 are both connected with a plug 10 in a threaded fit manner;
when the cooling device works, when the plug 10 at the position of the discharge pipe 21 is opened, cooling media can be added into the heat exchange cavity 6 and the cooling shell 2, and when the plug 10 at the position of the discharge pipe 11 is opened, the cooling media in the heat exchange cavity 6 and the cooling shell 2 can be discharged from the discharge pipe 11, so that the cooling device is convenient to replace and use.
As an embodiment of the present invention, the blocking cylinder 30 is provided therein with a mounting groove 15; an insulating hollow rod 19 is movably inserted in the mounting groove 15; the end part of the insulating hollow rod 19 is fixedly provided with a plugging block which is hermetically attached to the inner ring of the separation cylinder 30; a socket 20 is integrally arranged at one end of the insulating hollow rod 19, which is far away from the motor 1;
in operation, when the insulating hollow rod 19 is in the mounting groove 15, the plugging block is clamped in the blocking cylinder 30 to complete the fixation of the insulating hollow rod 19, the insulating hollow rod 19 is made of insulating materials, and the socket 20 is used for inserting an external wire rod into the socket 20 to complete the electrical connection with the motor 1.
As an embodiment of the present invention, the insulating hollow rod 19 is internally provided with a conductive rod 31; the end part of the conducting rod 31 is provided with a slot 32; the conductive connecting pole 34 is movably inserted in the slot 32; an arc surface 35 is arranged at the outer ring of the slot 32 at the end part of the conducting rod 31;
when the electric conduction device works, the electric conduction connecting poles 34 are movably inserted into the electric conduction rods 31, the electric conduction connecting poles 34 are electrically connected with the electric conduction rods 31, the two groups of electric conduction connecting poles 34 are respectively the positive and negative poles of the motor 1, when the corresponding electric conduction heads with the power supply are inserted into the two groups of sockets 20 and are attached to the electric conduction rods 31 to form electric connection, a whole forming passage is formed, the motor 1 can normally work, the arc-shaped surfaces 35 are arranged at the outer rings of the slots 32 at the end parts of the electric conduction rods 31, when the electric conduction rods 31 are conveniently inserted into the insulating hollow rods 19, the end parts of the electric conduction connecting poles 34 are in contact with the arc-shaped surfaces 35 to be quickly avoided and are easily inserted into the slots.
As an embodiment of the present invention, one end of the blocking cylinder 30 away from the motor 1 passes through the outside of the third cover 14; the third cover 14, the second cover 12, the first cover 13 and the blocking barrel 30 are integrally connected;
during operation, at first, will cool off the outside of casing 2 concatenation at motor 1, fix the screw on first lid 13, then will separate the 4 covers of temperature casing and establish in the outside of cooling casing 2, fix the screw on second lid 12, finally overlap and establish heat transfer casing 5, fix the screw on third lid 14, install step by step, it is fixed step by step, and fixed first lid 13, second lid 12 and the integrative setting of third lid 14 of fixing step by step, stable in structure.
As an embodiment of the present invention, the metal cooling plate body 23 has a rectangular plate-shaped structure; certain gaps are respectively kept between the end part and the side surface of the metal cooling plate body 23 and the bottom part and the side surface of the metal cooling shell 22;
during operation, the cooling medium that flows through in the heat transfer chamber 6 passes through the clearance between metal cooling shell 22 and the metal cooling plate body 23, and when the cooling medium directly passes through the clearance between metal cooling shell 22 and the metal cooling plate body 23, cool off with the outside through metal cooling shell 22, discharges the heat in the cooling medium, and the contact area when metal cooling shell 22 and the metal cooling plate body 23 cooperation structure has increased the cooling medium cold and hot exchange, increases the cooling effect.
As an embodiment of the present invention, the supporting plate 9 has a rectangular plate-like structure; a plurality of groups of supporting plates 9 are arranged around the peripheral side surfaces and the bottom surface of the motor 1; the width of the supporting plate 9 is equal to that of the motor 1, and the width of the supporting plate 9 is smaller than that of the cooling shell 2;
during operation, the multiunit backup pad 9 that sets up with motor 1 aequilate can play good supporting role to motor 1, supports stably, and the width of backup pad 9 is less than the width of cooling body 2 to make things convenient for the direct circulation of coolant in the cooling body 2 to circulate.
The specific working process of the invention is as follows:
the power unit 29 is started, the power unit 29 pumps the cooling medium in the heat exchange cavity 6 into the cooling shell 2, the cooling medium circulates around the outside of the motor 1 through the guide of the first partition plate 27, and then enters the heat exchange cavity 6 again from the position of the second partition plate 24, and the heat which is carried away from the surface of the motor 1 in the cooling medium is transferred out.
By providing the cooling housing 2, a cooling medium is added to the cooling housing 2, such as: water, cooling oil, and the like; can make the cooling medium cladding completely in the outside of motor 1, the heat transfer on motor 1 surface is to in the cooling medium, make motor 1 have even radiating effect, motor 1 passes through backup pad 9 support to be fixed at the middle part of cooling casing 2, make the cooling medium who is in cooling casing 2 fill completely around motor 1, fully dispel the heat, rubber pad 26 with motor 1 surface contact on the backup pad 9 can be at certain degree elastic deformation, the vibration power is offset to the corresponding elastic deformation of rubber pad 26 when motor 1 operation and produce the vibration, make motor 1 at the inside stable work of cooling casing 2, the vibration power of motor 1 during operation is difficult for spreading the outside of cooling casing 2, and the cooling medium in the cooling casing 2 directly coats motor 1, also has certain syllable-dividing effect, make the sound that motor 1 during operation transmitted reduce. Through setting up heat insulation casing 4, heat insulation casing 4 will cool off the outside cladding of casing 2, play thermal-insulated effect, avoid during outside heat transfer to the coolant in cooling casing 2, be equipped with in the cooling cavity 3 and inhale cotton board 7 of sound, the cotton board 7 of sound is inhaled to the multiunit has sound absorbing effect, and the multiunit is inhaled and is inhaled on the cotton board 7 of sound and inhale sound hole 8 and supply the sound transmission and reduce gradually to eliminating, the cotton board 7 of sound is inhaled to the holistic sound has good sound absorbing soundproof effect, and inhale cotton board 7 of sound and be located cooling cavity 3, and the cladding of cooling cavity 3 is in the outside of motor 1 and cooling casing 2, the spread of the during operation sound of motor 1 has been avoided. Through setting up heat transfer casing 5, constitute heat transfer chamber 6 between heat transfer casing 5 and the thermal insulation casing 4, the coolant that stores in cooling casing 2 can circulate in heat transfer chamber 6, the coolant that circulates in heat transfer chamber 6 is through the circulation of making a round trip to the gap department between metal cooling casing 22 and the metal cooling plate body 23, the outside that heat accessible metal cooling casing 22 in the coolant transmitted heat transfer casing 5 is taken away by natural wind, the purpose of keeping coolant and outside temperature unanimous has been played, and when keeping the coolant cladding unanimous with outside temperature outside motor 1, can cool down motor 1 to unanimous with outside temperature, good cooling effect has been played, when in the actual use, its cooling effect probably reduces because of other external forces have some deviations, still can play good cooling effect.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (11)
1. An alternating current asynchronous stepless speed regulation motor is characterized in that: comprising a motor (1); the motor (1) is externally coated with a cooling shell (2); the cooling shell (2) is of a rectangular shell structure with an opening at one side; a first cover (13) is fixed at the opening of the cooling shell (2) through a screw; a plurality of groups of rubber pads (26) attached to the outer surface of the motor (1) are arranged in the cooling shell (2); a plurality of groups of supporting plates (9) are fixedly welded on the inner wall of the cooling shell (2); the rubber pad (26) is fixed at the end part of the supporting plate (9); the end part of the motor (1) is connected with a motor rotating shaft (17) in a transmission way; a groove body (18) which is sunken towards one side of the motor (1) is arranged in the middle of the first cover (13); the bottom of the groove body (18) is integrally provided with a (37) attached to the surface of the motor (1), and the (37) is sleeved on the outer ring of the motor rotating shaft (17); the surface of the first cover (13) is provided with a rectangular groove (16) positioned at the end part of the groove body (18); the motor (37) is fixed on the surface of the motor (1) through screws; the upper end and the lower end of the motor (1) are provided with conductive connecting poles (34); the surface of the first cover (13) is integrally provided with a separation cylinder (30) which is sunken towards one side of the motor (1), and the end part of the separation cylinder (30) is integrally provided with a fixing ring (33) which is fixed on the surface of the motor (1) through a screw; a sealing gasket (36) which is hermetically attached to the surface of the motor (1) is fixedly arranged on the surface of the fixing ring (33); the conductive connection pole (34) is arranged in the separation cylinder (30).
2. An AC asynchronous stepless speed regulation motor as claimed in claim 1, characterized in that: a heat insulation shell (4) is coated outside the cooling shell (2); the heat insulation shell (4) is of a rectangular shell structure with an opening at one side, and a second cover (12) is fixed at the opening end of the heat insulation shell (4) through a screw; the second cover (12) is integrally connected with the first cover (13); and a cooling cavity (3) is formed between the heat insulation shell (4) and the cooling shell (2).
3. An AC asynchronous stepless speed regulation motor as claimed in claim 2, characterized in that: a sound absorption cotton plate (7) is arranged in the cooling cavity (3); the sound absorption cotton plates (7) are in inclined plate-shaped structures and are mutually staggered to form a plurality of groups; two ends of the sound-absorbing cotton plate (7) are respectively fixed on the inner walls of two sides of the cooling cavity (3); the surface of the sound-absorbing cotton plate (7) is provided with a plurality of groups of sound-absorbing holes (8) which penetrate through the surfaces of the two sides of the sound-absorbing cotton plate (7).
4. An AC asynchronous stepless speed regulation motor as claimed in claim 2, characterized in that: a heat exchange shell (5) is coated outside the heat insulation shell (4); a heat exchange cavity (6) is formed between the heat exchange shell (5) and the heat insulation shell (4); a plurality of groups of concave metal cooling shells (22) are arranged on the side surface of the heat exchange shell (5); the outer side surface of the heat insulation shell (4) is fixedly provided with a metal cooling plate body (23) inserted into the concave-shaped inner part of the metal cooling shell (22); the heat exchange shell (5) is of a rectangular shell structure with an opening at one end, and a third cover (14) is fixed at the opening of the heat exchange shell (5) through a screw; the third cover (14) is provided integrally with the second cover (12).
5. An AC asynchronous stepless speed regulation motor as claimed in claim 2, characterized in that: a second pipeline (25) communicated between the cooling shell (2) and the heat exchange cavity (6) is arranged above one side of the motor (1); a first pipeline (28) communicated between the cooling shell (2) and the heat exchange cavity (6) is arranged below one side of the motor (1); a power unit (29) communicated with the end part of the first pipeline (28) is arranged in the heat exchange cavity (6); a first clapboard (27) is fixedly welded on the inner wall of the first cover (13) above the first pipeline (28); the first partition plate (27) is sealed at a gap between the motor (1) and the first cover (13); a second partition plate (24) is fixedly welded above the inner wall of one end, close to the first cover (13), of the cooling shell (2); the second partition (24) is arranged between the second duct (25) and the motor (1).
6. An AC asynchronous stepless speed regulation motor as claimed in claim 4, characterized in that: a discharge pipe (21) communicated with the inside and the outside of the heat exchange cavity (6) is arranged above one side of the heat exchange shell (5); a discharge pipe (11) communicated with the inside and the outside of the heat exchange cavity (6) is arranged below the third cover (14); and the discharge pipe (11) and the discharge pipe (21) are both connected with a plug (10) through thread matching.
7. An AC asynchronous stepless speed regulation motor as claimed in claim 1, characterized in that: an installation groove (15) is formed in the blocking cylinder (30); an insulating hollow rod (19) is movably inserted in the mounting groove (15); the end part of the insulating hollow rod (19) is fixedly provided with a plugging block which is hermetically attached to the inner ring of the separation cylinder (30); and a socket (20) is integrally arranged at one end of the insulating hollow rod (19) far away from the motor (1).
8. An AC asynchronous stepless speed regulation motor as claimed in claim 7, characterized in that: a conductive rod (31) is arranged inside the insulating hollow rod (19); the end part of the conducting rod (31) is provided with a slot (32); the conductive connecting pole (34) is movably inserted in the slot (32); the end part of the conducting rod (31) is provided with an arc surface (35) at the outer ring of the slot (32).
9. An AC asynchronous stepless speed regulation motor as claimed in claim 4, characterized in that: one end, far away from the motor (1), of the blocking barrel (30) penetrates through the outer part of the third cover (14); the third cover (14), the second cover (12), the first cover (13) and the blocking barrel (30) are integrally connected.
10. An AC asynchronous stepless speed regulation motor as claimed in claim 4, characterized in that: the metal cooling plate body (23) is of a rectangular plate-shaped structure; certain gaps are respectively kept between the end part and the side surface of the metal cooling plate body (23) and the bottom part and the side surface of the metal cooling shell (22).
11. An AC asynchronous stepless speed regulation motor as claimed in claim 1, characterized in that: the supporting plate (9) is of a rectangular plate-shaped structure; a plurality of groups of supporting plates (9) are arranged around the peripheral side surfaces and the bottom surface of the motor (1); the width of the supporting plate (9) is equal to that of the motor (1), and the width of the supporting plate (9) is smaller than that of the cooling shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010887090.6A CN112054635A (en) | 2020-08-28 | 2020-08-28 | AC asynchronous stepless speed regulating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010887090.6A CN112054635A (en) | 2020-08-28 | 2020-08-28 | AC asynchronous stepless speed regulating motor |
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| Publication Number | Publication Date |
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| CN112054635A true CN112054635A (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010887090.6A Pending CN112054635A (en) | 2020-08-28 | 2020-08-28 | AC asynchronous stepless speed regulating motor |
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| Country | Link |
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| CN (1) | CN112054635A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114602631A (en) * | 2022-03-12 | 2022-06-10 | 南京沛沛骧环保科技有限公司 | Garbage disposal device for environmental protection engineering |
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