CN112020293B

CN112020293B - High-temperature-resistant switched reluctance motor controller

Info

Publication number: CN112020293B
Application number: CN202011114833.2A
Authority: CN
Inventors: 张一卓; 张振伟; 管清林; 于敏
Original assignee: Shandong Ozer Electric Technology Co ltd
Current assignee: Shandong Ozer Electric Technology Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-01-26
Anticipated expiration: 2040-10-19
Also published as: CN112020293A

Abstract

The utility model provides a high temperature resistance switched reluctance motor controller, includes the box, and the lower part on the right side of box left side is seted up respectively and is passed through the groove, passes through the outer end that the inner of inslot periphery passes through the bearing and rotates the connection swivel becket periphery, and the inner periphery of swivel becket is regular octagon, is equipped with coaxial regular octagon board in the swivel becket, and the side of regular octagon board periphery rotates the inner of connecting trapezoidal board respectively, and the side that corresponds is connected in the outer end of trapezoidal board and the swivel becket rotates. The heat dissipation device is driven to operate by the rotation of the switched reluctance motor, the wind direction of the heat dissipation device can be continuously reversed and adjusted, so that the heat dissipation is more uniform, the filter screen can reduce dust entering the box body and influence of the dust on the switched reluctance motor, meanwhile, the filter screen can be washed by wind by using the continuously changed wind direction, the influence of the dust on the filter screen is reduced, the wind power can be continuously and circularly changed, so that wind power pulse is formed, the wind stays in the box body, the wind flow is more dispersed, and the heat dissipation effect is improved.

Description

High-temperature-resistant switched reluctance motor controller

Technical Field

The invention belongs to the field of motor heat dissipation devices, and particularly relates to a high-temperature-resistant switched reluctance motor controller.

Background

The loss that the motor produced when operation increases leads to the whole temperature rise of motor too high or local temperature rise too high, not only can reduce the life of motor, influences economic and technical indexes such as efficiency, the torque of motor, still can cause motor structural component serious deformation, endangers motor operation safety, influences the controller normal operating of motor simultaneously. Particularly, the switched reluctance motor mainly comprises a switched reluctance motor, a power converter, a controller and a position detector, the controller in the existing switched reluctance motor has poor heat resistance, and heat generated by the switched reluctance motor during working is easily absorbed by the controller, so that the controller is easy to break down, and the working of the switched reluctance motor is influenced; the existing wind power heat dissipation device easily enables the switched reluctance motor to diffuse dust in the working environment, so that the switched reluctance motor is fast in abrasion, the heat dissipation wind direction is inconvenient, the heat dissipation is uneven, the heat dissipation effect of an air inlet is higher than that of an air outlet, and the actual requirement cannot be met.

Disclosure of Invention

The invention provides a high-temperature-resistant switched reluctance motor controller which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

a high-temperature-resistant switched reluctance motor controller comprises a box body, wherein the lower parts of the left side and the right side of the box body are respectively provided with a through groove, the inner end of the inner periphery of the through groove is rotatably connected with the outer end of the outer periphery of a rotating ring through a bearing, the inner periphery of the rotating ring is in a regular octagon shape, a coaxial regular octagon plate is arranged in the rotating ring, the side surface of the outer periphery of the regular octagon plate is respectively rotatably connected with the inner end of a trapezoidal plate, the outer end of the trapezoidal plate is rotatably connected with the side surface corresponding to the inner periphery of the rotating ring through a bearing, the outer periphery of the rotating ring is respectively provided with a first through hole corresponding to the trapezoidal plate, a first helical gear is arranged on the outer side of the first through hole, the first helical gear is connected with the trapezoidal plate through a rotating rod, the outer periphery of the rotating ring is respectively rotatably connected, fixed mounting switched reluctance motor between the baffle, the lower part of baffle is equipped with the preformed hole, the same cross axle of preformed hole internal rotation installation, the both ends of cross axle respectively with the inner fixed connection of the regular octagon board that corresponds, the several ventilation hole is evenly seted up on the upper portion of baffle, the second through-hole is seted up to the bottom side of box, through bearing installation vertical axis in the second through-hole, the upper end of vertical axis, the lower extreme of switched reluctance motor pivot is fixed mounting second helical gear respectively, the periphery fixed mounting third helical gear of cross axle, the second helical gear cooperates with the meshing of third helical gear respectively, the cross axle passes through the transmission with annular helical gear and is connected.

The transmission device comprises a first gear, a tooth groove is formed in the periphery of an annular helical gear, the periphery of the first gear is meshed and matched with the periphery of the annular helical gear, a second gear is meshed and matched with one side of the first gear, the outer side of the first gear and the outer side of the second gear are respectively connected with the box body in a rotating mode through bearings, a first chain wheel coaxial with the inner side of the second gear is fixedly installed, a second chain wheel is fixedly installed on the periphery of a cross shaft corresponding to the first chain wheel, and the first chain wheel and the second chain wheel on the upper side and the lower side are connected in a chain transmission mode.

The high-temperature-resistant switched reluctance motor controller comprises a trapezoidal plate, wherein a through hole facing to the outer end is formed in the middle of the inner end of the trapezoidal plate, the inner periphery of the through hole is fixedly connected with the outer periphery of a square pipe, the upper end of the outer periphery of the square pipe is rotatably connected with the inner periphery of a first through hole through a bearing, the octagonal plate is a hollow shell, the side surface of the outer periphery of the octagonal plate is respectively provided with a third through hole communicated with the inside, the lower end of the outer periphery of the square pipe is rotatably connected with the inner periphery of the third through hole through a bearing, a rotating rod is positioned in the square pipe, the inner side of the first helical gear is connected with the outer end of the square pipe through a spring sleeved on the outer periphery of the rotating rod, a wedge block is fixedly installed at the inner end of the rotating rod, a push plate is arranged in the octagonal plate, one side of the push plate is fixedly connected with one end, one side of push pedal is equipped with the hot bimetal board of several, and hot bimetal board and push pedal contact fit, the inner wall fixed connection of hot bimetal board and regular octagon board.

According to the high-temperature-resistant switched reluctance motor controller, the plurality of box bodies are uniformly and fixedly installed on the periphery of the chain, silica gel desiccant beads are filled in the box bodies, and small holes are uniformly formed in the side walls of the box bodies.

According to the high-temperature-resistant switched reluctance motor controller, the high-temperature-resistant rubber sealing ring is fixedly arranged on the side edge of the trapezoidal plate, the adjacent edges of the trapezoidal plate are in contact fit with each other through the rubber sealing ring, and the trapezoidal plate is in contact fit with the inner wall of the rotating ring and the side wall of the regular octagonal plate through the rubber sealing ring.

The invention has the advantages that: the heat dissipation device is simple in structure and ingenious in conception, the heat dissipation device is driven to operate by the rotation of the switched reluctance motor, the wind direction of the heat dissipation device can be continuously reversed and adjusted, so that heat dissipation is more uniform, the filter screen can reduce dust entering the box body and influence of the dust on the switched reluctance motor, meanwhile, the filter screen can be washed by wind by the aid of continuously changed wind direction, influence of the dust on the filter screen is reduced, the wind power can be continuously and circularly changed, wind pulses are formed, wind stays in the box body are increased, wind flow is more dispersed, the heat dissipation effect is increased, market demands are met, and the heat dissipation device is suitable for popularization. When the invention is used, the switch reluctance motor is electrified, the rotating shaft of the switch reluctance motor drives the vertical shaft to rotate through the second bevel gear and the third bevel gear, the third bevel gear drives the transverse shaft to rotate, the transverse shaft drives the regular octagonal plate, the trapezoidal plate and the rotating ring to revolve and rotate, the transverse shaft drives the annular bevel gear to rotate through the transmission device, the rotating directions of the annular bevel gear and the rotating ring are the same, the rotating difference between the annular bevel gear and the rotating ring is smaller, if the annular bevel gear rotates for one hundred revolutions, the rotating ring rotates for one hundred and zero revolutions, so that the annular bevel gear and the rotating ring generate relative rotation, the annular bevel gear drives the first bevel gear to rotate, the first bevel gear drives the trapezoidal plate to rotate through the rotating rod, when the side surface of the trapezoidal plate is not parallel to the end surface of the rotating ring, the revolution rotation of the trapezoidal plate can form the wind wheel, and the external, The filter screen is brought into the box body, hot air in the box body is discharged through the through groove and the filter screen, the hot air rotates along with the rotation of the trapezoidal plate, the size of air flow generated by the trapezoidal plate is increased continuously, circulation is reduced, and meanwhile, the direction of the air flow is changed and the air flow alternates from left to right.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a view taken along the line A of FIG. 1; FIG. 3 is an enlarged view of section I of FIG. 1; FIG. 4 is an enlarged view of a portion II of FIG. 1; fig. 5 is an enlarged view of the view from direction B of fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A high-temperature-resistant switched reluctance motor controller comprises a box body 1, wherein the lower parts of the left side and the right side of the box body 1 are respectively provided with a through groove 2, the inner end of the inner periphery of the through groove 2 is rotatably connected with the outer end of the outer periphery of a rotating ring 3 through a bearing, the inner periphery of the rotating ring 3 is a regular octagon, a coaxial regular octagon plate 4 is arranged in the rotating ring 3, the side surface of the outer periphery of the regular octagon plate 4 is respectively rotatably connected with the inner end of a trapezoidal plate 5, the outer end of the trapezoidal plate 5 is rotatably connected with the side surface corresponding to the inner periphery of the rotating ring 3, the outer periphery of the rotating ring 3 is respectively provided with a first through hole 6 corresponding to the trapezoidal plate 5, the outer side of the first through hole 6 is provided with a first helical gear 7, the first helical gear 7 is connected with the trapezoidal plate 5 through a rotating rod 8, a rotating shaft is connected between the regular octagon plate 4 and the, the periphery of the rotating ring 3 is respectively connected with the inner periphery of an annular helical gear 19 through a bearing in a rotating way, the first helical gear 7 is respectively meshed with the corresponding annular helical gear 19, the outer end of the inner periphery of the through groove 2 is respectively and fixedly provided with a filter screen 9, two partition plates 10 which are distributed left and right are fixedly arranged in the box body 1, the interior of the box body 1 is divided into a left cavity, a middle cavity and a right cavity when the partition plates 10 are arranged, a switched reluctance motor 11 is fixedly arranged between the partition plates 10, the lower part of each partition plate 10 is provided with a reserved hole 12, the same transverse shaft 13 is rotatably arranged in the reserved hole 12, two ends of each transverse shaft 13 are respectively and fixedly connected with the inner end of the corresponding eight-side plate 4, the center lines of the eight-side plates 4 and the transverse shafts 13 are collinear, the upper part of each partition plate 10 is uniformly provided with a plurality of vent holes 14, the bottom side of the box body 1 is, the periphery of the cross shaft 13 is fixedly provided with a third helical gear 18, the second helical gears 17 are respectively meshed with the third helical gears 18, and the cross shaft 13 is in transmission connection with an annular helical gear 19 through a transmission device. The heat dissipation device is simple in structure and ingenious in conception, the heat dissipation device is driven to operate by rotation of the switched reluctance motor, the wind direction of the heat dissipation device can be adjusted in a reversed mode continuously, so that heat dissipation is more uniform, the filter screen can reduce dust entering the box body, the influence of the dust on the switched reluctance motor is reduced, meanwhile, the filter screen can be washed by wind by using the continuously changed wind direction, the influence of the dust on the filter screen is reduced, the wind power can be changed continuously and circularly, wind pulse is formed, the wind stays in the box body 1 is increased, wind flow is more dispersed, the heat dissipation effect is increased, the market demand is met, and the heat dissipation device is suitable for popularization. When the invention is used, the switch reluctance motor 11 is electrified, the rotating shaft of the switch reluctance motor 11 drives the vertical shaft 16 to rotate through the second bevel gear 17 and the third bevel gear 18, the third bevel gear 18 drives the horizontal shaft 13 to rotate, the horizontal shaft 13 drives the regular octagonal plate 4, the trapezoidal plate 5 and the rotating ring 3 to revolve and rotate, the horizontal shaft 13 drives the annular bevel gear 19 to rotate through the transmission device, the rotating direction of the annular bevel gear 19 is the same as that of the rotating ring 3, the rotating difference between the annular bevel gear 19 and the rotating ring 3 is small, for example, the annular bevel gear 19 rotates one hundred circles and the rotating ring 3 rotates one hundred zero circles, so that the annular bevel gear 19 and the rotating ring 3 generate relative rotation, the annular bevel gear 19 drives the first bevel gear 7 to rotate, the first bevel gear 7 drives the trapezoidal plate 5 to rotate by the rotating rod 8, when the side surface of the trapezoidal plate 5 is not parallel to the end surface of the, at the moment, the trapezoidal plate 5 revolves and rotates to form a wind wheel, outside cold air is brought into the box body 1 through the transparent groove 2 and the filter screen 9, hot air in the box body 1 is discharged through the transparent groove 2 and the filter screen 9, the wind wheel rotates along with the rotation of the trapezoidal plate 5, the size of airflow generated by the trapezoidal plate 5 is continuously increased, circulation is reduced, and meanwhile, the direction of the airflow changes and the wind wheel alternates left and right.

Specifically, as shown in fig. 1, the transmission device according to the present embodiment includes a first gear 20, a tooth slot is formed on an outer periphery of the annular helical gear 19, an outer periphery of the first gear 20 is engaged with an outer periphery of the annular helical gear 19, a second gear 21 is engaged with one side of the first gear 20, an outer side of the first gear 20 and an outer side of the second gear 21 are rotatably connected to the case 1 through bearings, a first sprocket 22 coaxial with the inner side of the second gear 21 is fixedly installed, a second sprocket 23 is fixedly installed on an outer periphery of the transverse shaft 13 corresponding to the first sprocket 22, and the first sprocket 22 and the second sprocket 23 on the same upper and lower sides are drivingly connected to each other through a chain 24. When the transverse shaft 13 drives the second chain wheel 23 to rotate, the second chain wheel 23 drives the first chain wheel 22 to rotate through the chain 24, the first chain wheel 22 drives the second gear 21 to rotate, the second gear 21 drives the first gear 20 to rotate, and the first gear 20 drives the annular helical gear 19 to rotate, so that the annular helical gear 19 and the transverse shaft 13 rotate in the same direction and at different speeds.

Specifically, as shown in fig. 3, a through hole 30 is formed in the middle of the inner end of the trapezoidal plate 5 according to this embodiment, the inner periphery of the through hole 30 is fixedly connected to the outer periphery of the square pipe 31, the upper end of the outer periphery of the square pipe 31 is rotatably connected to the inner periphery of the first through hole 6 through a bearing, the octagonal plate 4 is a hollow housing, the side surface of the outer periphery of the octagonal plate 4 is respectively provided with a third through hole 32 communicated with the inside, the lower end of the outer periphery of the square pipe 31 is rotatably connected to the inner periphery of the third through hole 32 through a bearing, the rotating rod 8 is located in the square pipe 31, the rotating rod 8 can only move inwards or outwards along the square pipe 31, the inner side of the first helical gear 7 is connected to the outer end of the square pipe 31 through a spring 33 sleeved on the outer periphery of the rotating rod 8, the inner end of the rotating rod 8 is fixedly provided with a wedge block 34, a, the other end of telescopic link 37 and the inboard fixed connection of regular octagon plate 4 inner wall, the border of push pedal 35 opposite side can with the inclined plane sliding contact cooperation of wedge 34, one side of push pedal 35 is equipped with the hot bimetallic strip of several 36, hot bimetallic strip 36 and push pedal 35 contact cooperation, the inner wall fixed connection of hot bimetallic strip 36 and regular octagon plate 4. The first bevel gear 7 is kept in meshed fit with the annular bevel gear 19 under the action of elastic tension of the spring 33, and when the annular bevel gear 19 drives the first bevel gear 7 to rotate, the first bevel gear 7 drives the square pipe 31 and the trapezoidal plate 5 to rotate through the rotating rod 8, so that the angle of the trapezoidal plate 5 is adjusted; when the temperature in the box 1 is too high, thermal bimetal plate 36 takes place elastic deformation, produce outside thrust to push pedal 35, push pedal 35 moves to wedge 34, the inclined plane of wedge 34 is towards the right side, the border of push pedal 35 opposite side slides along the inclined plane of wedge 34, wedge 34 drives dwang 8 and outwards moves along square pipe 31, first helical gear 7 separates with annular helical gear 19, spring 33 is stretched, trapezoidal plate 5 makes the hole of swivel becket 3 seal this moment, thereby avoid the inside high temperature of box 1 to run out through groove 2 and cause the conflagration.

Further, as shown in fig. 4, a plurality of box bodies 40 are uniformly and fixedly installed on the periphery of the chain 24, silica gel desiccant beads 41 are contained in the box bodies 40, and small holes 42 are uniformly formed in the side walls of the box bodies 40. The silica gel drier pellet 41 in the box body 40 can absorb moisture in the box body 1 through the small hole 42, so that the internal environment of the box body 1 is kept dry, and meanwhile, when the box body 40 rotates along with the chain 24, the silica gel drier pellet 41 can be continuously turned over, so that the silica gel drier pellet 41 is prevented from hardening, meanwhile, hot air in the box body 1 can enable the silica gel drier pellet 41 to be heated and dehumidified, and the silica gel drier pellet 41 can keep good drying performance.

Furthermore, as shown in fig. 2, a high temperature resistant rubber sealing ring 51 is fixedly installed on the side of the trapezoidal plate 5 according to the embodiment, the adjacent sides of the trapezoidal plate 5 are in contact fit with the rubber sealing ring 51, and the trapezoidal plate 5 is in contact fit with the inner wall of the rotating ring 3 and the side wall of the regular octagonal plate 4 through the rubber sealing ring 51. The rubber seal ring 51 can increase the sealing performance of the trapezoidal plate 5 to the inner hole of the rotating ring 3.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a high temperature resistance switched reluctance motor controller which characterized in that: comprises a box body (1), the lower parts of the left side and the right side of the box body (1) are respectively provided with a through groove (2), the inner end of the inner periphery of the through groove (2) is rotatably connected with the outer end of the outer periphery of a rotating ring (3) through a bearing, the inner periphery of the rotating ring (3) is in a regular octagon shape, a coaxial regular octagon plate (4) is arranged in the rotating ring (3), the side surface of the outer periphery of the regular octagon plate (4) is respectively rotatably connected with the inner end of a trapezoidal plate (5), the outer end of the trapezoidal plate (5) is rotatably connected with the side surface corresponding to the inner periphery of the rotating ring (3), the outer periphery of the rotating ring (3) is respectively provided with a first through hole (6) corresponding to the trapezoidal plate (5), the outer side of the first through hole (6) is provided with a first helical gear (7), the first helical gear (7) is connected with the trapezoidal plate (5), the first helical gears (7) are respectively meshed and matched with corresponding annular helical gears (19), the outer ends of the inner peripheries of the through grooves (2) are respectively fixedly provided with a filter screen (9), two partition plates (10) distributed left and right are fixedly arranged in the box body (1), a switched reluctance motor (11) is fixedly arranged between the partition plates (10), the lower parts of the partition plates (10) are provided with reserved holes (12), the same transverse shaft (13) is rotatably arranged in the reserved holes (12), two ends of the transverse shaft (13) are respectively fixedly connected with the inner ends of corresponding regular octagonal plates (4), a plurality of ventilation holes (14) are uniformly formed in the upper parts of the partition plates (10), a second through hole (15) is formed in the bottom side of the box body (1), a vertical shaft (16) is arranged in the second through hole (15) through a bearing, the upper end of the vertical shaft (16) and the lower end of the rotating shaft of the switched reluctance motor, the periphery of the transverse shaft (13) is fixedly provided with a third helical gear (18), the second helical gears (17) are respectively meshed with the third helical gears (18), and the transverse shaft (13) is in transmission connection with an annular helical gear (19) through a transmission device.

2. The controller of claim 1, wherein: the transmission device comprises a first gear (20), tooth grooves are formed in the periphery of an annular helical gear (19), the periphery of the first gear (20) is meshed with the periphery of the annular helical gear (19), a second gear (21) is meshed with one side of the first gear (20), the outer side of the first gear (20) and the outer side of the second gear (21) are respectively connected with a box body (1) through bearings in a rotating mode, a first chain wheel (22) which is coaxial is fixedly installed on the inner side of the second gear (21), a second chain wheel (23) is fixedly installed on the periphery of a transverse shaft (13) corresponding to the first chain wheel (22) respectively, and the first chain wheel (22) and the second chain wheel (23) on the upper side and the lower side are in transmission connection through a chain (24).

3. The controller of claim 1, wherein: the middle of the inner end of the trapezoidal plate (5) is provided with a through hole (30) towards the outer end, the inner periphery of the through hole (30) is fixedly connected with the outer periphery of a square pipe (31), the upper end of the outer periphery of the square pipe (31) is rotatably connected with the inner periphery of a first through hole (6) through a bearing, the octagonal plate (4) is a hollow shell, the side surface of the outer periphery of the octagonal plate (4) is respectively provided with a third through hole (32) communicated with the inner part, the lower end of the outer periphery of the square pipe (31) is rotatably connected with the inner periphery of the third through hole (32) through a bearing, the rotating rod (8) is positioned in the square pipe (31), the inner side of the first helical gear (7) is connected with the outer end of the square pipe (31) through a spring (33) sleeved on the outer periphery of the rotating rod (8), the inner end of the rotating rod (8) is fixedly provided with a wedge block (34), a push plate (35) is arranged in, the other end of telescopic link (37) and the inboard fixed connection of regular octagon board (4) inner wall, the border of push pedal (35) opposite side can with the inclined plane sliding contact cooperation of wedge (34), one side of push pedal (35) is equipped with several hot bimetallic strip (36), hot bimetallic strip (36) and push pedal (35) contact cooperation, the inner wall fixed connection of hot bimetallic strip (36) and regular octagon board (4).

4. The controller of claim 2, wherein: the periphery of the chain (24) is uniformly and fixedly provided with a plurality of box bodies (40), the box bodies (40) are internally filled with silica gel desiccant beads (41), and the side walls of the box bodies (40) are uniformly provided with small holes (42).

5. The controller of claim 1, wherein: the side edge of the trapezoidal plate (5) is fixedly provided with a high-temperature-resistant rubber sealing ring (51), the adjacent edges of the trapezoidal plate (5) are in contact fit with each other through the rubber sealing ring (51), and the trapezoidal plate (5) is in contact fit with the inner wall of the rotating ring (3) and the side wall of the regular octagonal plate (4) through the rubber sealing ring (51).