A dual-redundancy slotless brushless permanent magnet DC motor

Abstract

The application relates to the technical field of electric motors, in particular to a double-redundancy slotless brushless permanent magnet DC motor which comprises a shell and two groups of windings installed in the shell, and further comprises: heat dissipation holes arranged on the two sides of the shell; a rotating cylinder which is linearly arranged in the heat dissipation holes from top to bottom; a baffle fixedly installed on the outer side of the rotating cylinder; a groove arranged on the shell and located on one side of the heat dissipation holes; one end of the rotating cylinder movably penetrates the inner wall of the heat dissipation holes and the tail end is located in the groove; a driving assembly arranged in the groove and used for driving the rotating cylinder to rotate; and a dust removal assembly arranged on one side of the baffle and used for removing dust on the surface of the baffle. The double-redundancy slotless brushless permanent magnet DC motor provided by the application realizes the cleaning of the surface of the baffle by the cooperation of multiple components such as the fixed frame, the moving block, the stop block and the positioning spring, so that the cleanliness of the surface of the baffle is ensured.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of electric motors, in particular to a double-redundancy slotless brushless permanent magnet DC motor. BACKGROUND

[0002] The double-redundancy slotless brushless permanent magnet DC motor adopts a slotless structure for the stator, eliminates the tooth slot effect, makes the motor run more stably, reduces torque ripple and electromagnetic noise, and based on the electromagnetic induction law and the force law, controls the direction of the current through an electronic commutator, so that the magnetic field generated by the permanent magnet interacts with the magnetic field generated by the armature winding, thereby generating torque to drive the motor to rotate.

[0003] The motor housing is usually provided with a heat dissipation hole, and the heat generated during the operation of the motor is discharged through the heat dissipation hole, so that the high temperature in the motor can be avoided to affect the working efficiency of the motor, but when the motor is not working, the external dust and sundries will also enter the motor through the heat dissipation hole and accumulate on the electronic devices in the motor, affecting the normal work of the electronic devices. Some motors are provided with a partition plate at the position of the heat dissipation hole, and the partition plate is used to shield the heat dissipation hole when the motor is not working, so as to prevent dust from entering, but after a long time, dust will also be attached to the outer side of the partition plate, and the dust will also enter the motor during the opening and closing process of the partition plate and affect the work of the electronic devices. SUMMARY

[0004] Therefore, it is necessary to provide a double-redundancy slotless brushless permanent magnet DC motor which can prevent dust from entering when the motor is not working and can clean the partition plate.

[0005] The double-redundancy slotless brushless permanent magnet DC motor provided by the application comprises a shell and two groups of windings installed in the shell, and further comprises:

[0006] A heat dissipation hole is formed in the two sides of the shell.

[0007] A rotating cylinder is linearly arranged in the heat dissipation hole from top to bottom.

[0008] A baffle is fixedly installed on the outer side of the rotating cylinder.

[0009] A groove is formed in the shell and located on one side of the heat dissipation hole, and one end of the rotating cylinder is movably penetrated through the inner wall of the heat dissipation hole and the other end is located in the groove.

[0010] A driving assembly is arranged in the groove and used for driving the rotating cylinder to rotate.

[0011] A dust removal assembly is arranged on one side of the baffle and used for removing dust on the surface of the baffle.

[0012] In one of the embodiments, the dust removal assembly comprises a fixed frame fixedly installed outside the baffle, a dust removal pad movably arranged in the fixed frame, and a plurality of positioning springs connecting between the dust removal pad and the inner wall of the fixed frame; two positioning plates are fixedly installed on the both sides of the baffle in an axial symmetry; and the both ends of the dust removal pad are slidably connected with the positioning plates.

[0013] In one of the embodiments, a horizontal groove is formed on the side of the positioning plate close to the fixed frame, a moving block is movably arranged in the horizontal groove, a stop block is movably arranged in the moving block, an inclined groove is formed on the side of the stop block, the stop block movably abuts against one side of the dust removal pad, and a return spring connects between the stop block and the inner wall of the moving block.

[0014] In one of the embodiments, a notch is formed on the side of the positioning plate close to the horizontal groove, the notch and the horizontal groove are in communication with each other, and a movable block is movably arranged in the notch; the movable block is fixedly connected with the moving block.

[0015] In one of the embodiments, an active groove is formed on the bottom of the baffle, the active groove penetrates through the side wall of the rotating cylinder, a limiting rod is movably arranged in the active groove, one end of the limiting rod is fixedly connected with the bottom of the movable block, a fixed rod is movably arranged in the rotating cylinder, one end of the fixed rod is fixedly connected with the inner wall of the groove, a curved groove is formed on the outside of the fixed rod, and the other end of the limiting rod is slidably connected with the curved groove.

[0016] In one of the embodiments, the driving assembly comprises a vertical plate fixedly installed in the groove, one end of the rotating cylinder is rotatably connected with the vertical plate, a movable plate is fixedly sleeved on the outside of the rotating cylinder, a swing plate is movably connected on one side of the movable plate, a rotating plate is movably connected on the end of the swing plate away from the movable plate, a driving plate is movably connected on the end of the rotating plate away from the swing plate, a rotating rod is fixedly connected on one side of the driving plate, and the rotating rod is rotatably connected with the vertical plate.

[0017] In one of the embodiments, the rotating rod movably penetrates through the vertical plate at the end away from the driving plate and is fixedly connected with a driving gear at the terminal end, a lifting plate is movably arranged in the groove, a driving rack is fixedly arranged on one end of the lifting plate, and the driving rack is in meshing transmission with the driving gear.

[0018] In one of the embodiments, the shell is axially symmetrically provided with a moving groove on the both sides of the groove, the moving groove and the groove are in communication with each other, a filter plate is movably arranged in the moving groove, and the two filter plates are centrally abutted against each other.

[0019] In one of the embodiments, the filter plate is partially located in the groove, one side of the filter plate is movably connected with a moving plate, a positioning frame is fixedly arranged in the groove, the moving plate is slidably connected with the positioning frame, a lead screw is movably arranged in the moving plate, and one end of the lead screw away from the moving plate is movably penetrated through the positioning frame.

[0020] In one of the embodiments, the lead screw is fixedly arranged with a positioning gear at one end away from the moving plate, and the lifting plate is fixedly arranged with a positioning rack at one side, the positioning gear and the positioning rack are in meshing transmission.

[0021] The double-redundancy slotless brushless permanent magnet DC motor has the advantages that the cooperation of the fixing frame, the moving block, the stop block, the positioning spring and other components realizes the cleaning of the surface of the baffle by the dust removal pad, and ensures the cleanliness of the surface of the baffle; the cooperation of the movable block, the limiting rod, the fixing rod, the curved slot and other components realizes that the dust removal pad can clean the surface of the baffle when the baffle is turned to the horizontal state; and the cooperation of the moving plate, the lead screw and other components realizes that the two filter plates are moved to the center when the baffle is turned to the horizontal state, and the entering air can be filtered. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0023] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0024] Figure 2 It is a schematic diagram of the internal structure of the groove in the present application;

[0025] Figure 3 It is Figure 2 an enlarged schematic diagram of part A in the present application;

[0026] Figure 4 It is a schematic diagram of the structure of the heat dissipation hole in the present application;

[0027] Figure 5 It is Figure 4 an enlarged schematic diagram of part B in the present application;

[0028] Figure 6 It is a schematic diagram of the structure of the filter plate in the present application;

[0029] Figure 7 It is Figure 6 an enlarged schematic diagram of part C in the present application;

[0030] Figure 8 Structure diagram of fixed frame in the present application;

[0031] Figure 9 Structure diagram of fixed frame in the present application; Figure 8 Enlarged diagram of part D in the present application;

[0032] Figure 10 Structure diagram of positioning spring in the present application;

[0033] Figure 11 Structure diagram of horizontal slot in the present application;

[0034] Figure 12 Structure diagram of horizontal slot in the present application; Figure 11 Enlarged diagram of part E in the present application;

[0035] Figure 13 Structure diagram of curved slot in the present application;

[0036] Figure 14 Structure diagram of reset spring in the present application.

[0037] Reference signs:

[0038] 1, shell; 101, heat dissipation hole; 102, groove; 103, moving slot; 2, winding; 3, rotating cylinder; 4, baffle; 41, movable slot; 5, driving assembly; 51, vertical plate; 52, movable plate; 53, swing plate; 54, rotating plate; 55, driving plate; 56, rotating rod; 6, dust removal assembly; 61, fixed frame; 62, dust removal pad; 63, positioning spring; 64, positioning plate; 641, horizontal slot; 642, slot; 7, moving block; 8, stop block; 81, inclined slot; 9, reset spring; 10, movable block; 11, limiting rod; 12, fixed rod; 121, curved slot; 13, driving gear; 14, lifting plate; 15, driving rack; 16, filter plate; 17, moving plate; 18, positioning frame; 19, lead screw; 20, positioning gear; 21, positioning rack. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0040] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this specification are for illustrative purposes only and do not represent the only possible implementation.

[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0042] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0043] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0044] The following is combined Figures 1-14 This invention describes a dual-redundant slotless brushless permanent magnet DC motor.

[0045] like Figures 1-2 and Figures 5-9 As shown, in one embodiment, a dual-redundant slotless brushless permanent magnet DC motor includes a housing 1, windings 2, heat dissipation holes 101, a rotating cylinder 3, a baffle 4, a drive assembly 5, and a dust removal assembly 6.

[0046] The shell 1 is provided with a groove 102 and a heat dissipation hole 101 on one side, the rotating cylinder 3 is movably installed in the groove 102, the baffle 4 is fixedly sleeved outside the rotating cylinder 3, a plurality of baffles 4 can shield the heat dissipation hole 101, the driving assembly 5 can drive the rotating cylinder 3 and the baffle 4 to rotate, and the dust removal assembly 6 can clean the dust on the outer side of the baffle 4.

[0047] Specifically, two groups of windings 2 are arranged in the shell 1, the two groups of windings 2 are independent and work cooperatively, when one group has a problem, the other group can automatically replace the work, to ensure the continuous operation of the motor and the safety and stability of the system, the double-redundancy design can prevent serious consequences caused by motor failure, when the motor is in a working state, the plurality of baffles 4 are in a horizontal state, the heat generated in the shell 1 is discharged through the gap between the heat dissipation hole 101 and the baffle 4, when the motor is not working, the driving assembly 5 arranged in the groove 102 drives the plurality of rotating cylinders 3 to rotate, so that the baffle 4 changes from the horizontal state to the vertical state, when the two adjacent baffles 4 are in the vertical state, there is still a gap, so that the collision of the baffle 4 in the rotating process or the collision between the baffle 4 and the inner wall of the groove 102 can be avoided, the plurality of baffles 4 in the vertical state shield the groove 102, so that the external dust can be prevented from entering the shell 1 through the heat dissipation hole 101, when the motor needs to work, the driving assembly 5 drives the rotating cylinder 3 and the baffle 4 to rotate reversely, in this process, the dust removal assembly 6 arranged on the baffle 4 can remove the dust on the outer side of the baffle 4, to prevent the dust from accumulating on the baffle 4.

[0048] Referring to Figures 8-10 In the embodiment, the dust removal assembly 6 includes a fixed frame 61, the fixed frame 61 is fixedly installed outside the baffle 4, a dust removal pad 62 is movably arranged in the fixed frame 61, the dust removal pad 62 and the inner wall of the fixed frame 61 are connected through a plurality of positioning springs 63, the baffle 4 is fixedly installed on the two sides in an axial symmetry, and a positioning plate 64 is arranged on the two ends of the dust removal pad 62 and is in a sliding connection with the positioning plate 64.

[0049] Specifically, when the baffle 4 is in the vertical state, the motor is not working, the baffle 4 can shield the dust, and the dust will accumulate on one side of the baffle 4, at this time, the dust removal pad 62 is pushed into the fixed frame 61, so that the dust removal pad 62 is located in the fixed frame 61, and the positioning spring 63 is in a compressed state, when the motor works, the rotating cylinder 3 and the baffle 4 rotate to the horizontal state, in this process, the dust removal pad 62 is pushed to slide along the surface of the baffle 4 under the action of the positioning spring 63, the bottom of the dust removal pad 62 is made of a flexible material, for example, sponge, and the sliding connection part with the positioning plate 64 is made of a hard material, for example, wood.

[0050] Referring to Figures 9-12 and Figures 14As shown, in the embodiment, the positioning plate 64 is provided with a horizontal groove 641 on the side close to the fixed frame 61, a moving block 7 is movably arranged in the horizontal groove 641, a stop block 8 is movably arranged in the moving block 7, the stop block 8 is provided with an inclined groove 81 on one side, and the stop block 8 movably abuts against one side of the dust removal pad 62, and the stop block 8 and the inner wall of the moving block 7 are connected through a reset spring 9.

[0051] Specifically, when the baffle 4 is in the vertical state, the dust removal pad 62 is located in the fixed frame 61, and the end of the stop block 8 not provided with the inclined groove 81 abuts against the dust removal pad 62, so that the dust removal pad 62 can be ensured to be located in the fixed frame 61 at all times, when the motor needs to be turned to the horizontal state, the moving block 7 is moved inward along the horizontal groove 641, the moving block 7 moves inward to drive the stop block 8 and the reset spring 9 to move inward together, after the stop block 8 moves into the horizontal groove 641, the dust removal pad 62 loses the abutment of the stop block 8 and is pushed to move to the outside of the fixed frame 61 under the action of the positioning spring 63 to clean the surface of the baffle 4, when the motor is finished working, the moving block 7 and the stop block 8 are moved in the reverse direction to the initial position, and the baffle 4 is also turned from the horizontal state to the vertical state, and then the dust removal pad 62 is pushed back into the fixed frame 61, and the dust removal pad 62 abuts against the inclined groove 81 provided on the stop block 8 during the movement, so as to drive the stop block 8 to move to the inside of the moving block 7 to compress the reset spring 9, when the dust removal pad 62 moves to the other side of the stop block 8, the stop block 8 loses the abutment of the dust removal pad 62 and returns to the initial position under the action of the reset spring 9, so that the dust removal pad 62 can be conveniently returned to the original position when the baffle 4 is in the vertical state.

[0052] Referring to Figures 9-12 As shown, in the embodiment, the positioning plate 64 is provided with a slot 642 on the side of the horizontal groove 641, the slot 642 and the horizontal groove 641 are in communication with each other, and a movable block 10 is movably arranged in the slot 642, and the movable block 10 is fixedly connected with the moving block 7.

[0053] Specifically, when it is needed to release the stop block 8 from limiting the dust removal pad 62, the movable block 10 is moved inward along the slot 642, the movable block 10 moves to drive the moving block 7 to move inward along the horizontal groove 641, the moving block 7 moves to drive the stop block 8 to move synchronously, so that the stop block 8 does not limit the dust removal pad 62, and the dust removal pad 62 slides along the surface of the baffle 4 to clean dust under the action of the positioning spring 63.

[0054] Referring to Figures 10-13As shown, in this embodiment, the baffle 4 is provided with a movable slot 41 at the bottom, the movable slot 41 penetrates the side wall of the rotating cylinder 3, a limiting rod 11 is movably arranged in the movable slot 41, one end of the limiting rod 11 is fixedly connected with the bottom of the movable block 10, a fixed rod 12 is movably arranged in the rotating cylinder 3, one end of the fixed rod 12 is fixedly connected with the inner wall of the groove 102, a curved slot 121 is formed on the outer side of the fixed rod 12, and the other end of the limiting rod 11 is slidably connected with the curved slot 121.

[0055] Specifically, when the baffle 4 is in the vertical state, the movable block 10 is flush with the slot 642, one end of the limiting rod 11 abuts against one end of the curved slot 121 formed on the fixed rod 12, the rotating cylinder 3 drives the baffle 4 to rotate, the fixed rod 12 remains stationary during the rotation, the limiting rod 11 rotates together with the baffle 4, and the one end of the limiting rod 11 slides along the curved slot 121 during the rotation, so that the limiting rod 11 moves along the movable slot 41, the movement of the limiting rod 11 drives the movable block 10 to move into the slot 642, and the movement of the movable block 10 drives the moving block 7 and the blocking block 8 to move together, so that the blocking block 8 releases the limiting of the dust removal pad 62, and the dust removal pad 62 cleans the surface of the baffle 4 under the action of the positioning spring 63; similarly, when the motor is not working, the rotating cylinder 3 and the baffle 4 are reversely rotated until the baffle 4 becomes vertical, during the process, the movable block 10, the moving block 7 and the blocking block 8 return to the initial positions, and when the dust removal pad 62 returns to the fixed frame 61, the blocking block 8 can limit the dust removal pad 62.

[0056] Referring to Figures 5-7 As shown, in this embodiment, the driving assembly 5 comprises a vertical plate 51, the vertical plate 51 is fixedly installed in the groove 102, one end of the rotating cylinder 3 is rotatably connected with the vertical plate 51, the rotating cylinder 3 is movably sleeved with an activity plate 52, the activity plate 52 movably connects with a swing plate 53 on one side, the swing plate 53 movably connects with a rotating plate 54 away from the activity plate 52, the rotating plate 54 movably connects with a driving plate 55 away from the swing plate 53, the driving plate 55 is fixedly connected with a rotating rod 56 on one side, and the rotating rod 56 is rotatably connected with the vertical plate 51.

[0057] Specifically, when it is necessary to adjust the state of the baffle 4, the rotating rod 56 is rotated, the rotation of the rotating rod 56 drives the driving plate 55 to rotate, the rotation of the driving plate 55 drives the rotating plate 54 to move, thereby driving the swing plate 53 to move, the movement of the swing plate 53 drives the plurality of activity plates 52 to rotate, the rotation of the activity plates 52 drives the rotating cylinder 3 and the baffle 4 to rotate, so as to achieve the purpose of adjusting the state of the baffle 4, and the forward and reverse rotation of the rotating rod 56 can realize the switching of the vertical state and the horizontal state of the baffle 4, the vertical plate 51 provides a supporting action for the rotating rod 56, and an outwardly turned door plate can be arranged on the outer side of the groove 102, which is closed in normal times, and is opened when it is necessary to operate the rotating rod 56.

[0058] Referring toFigures 5-7 As shown in the embodiment, the rotating rod 56 is movably penetrated through the vertical plate 51 at one end away from the driving plate 55 and is fixedly connected with the driving gear 13 at the other end, the lifting plate 14 is movably arranged in the groove 102, the driving rack 15 is fixedly arranged at one end of the lifting plate 14, and the driving rack 15 is in meshing transmission with the driving gear 13.

[0059] Specifically, when the motor is not working, the baffle 4 is in the vertical state, when the motor is working, the lifting plate 14 is moved upward, the driving of the lifting plate 14 can use the motor driving or manual driving, the upward movement of the lifting plate 14 drives the driving rack 15 to move upward, thereby driving the driving gear 13 to rotate, the rotation of the driving gear 13 drives the rotating rod 56 to rotate, thereby realizing the baffle 4 from the vertical state to the horizontal state, and vice versa.

[0060] Referring to Figures 4-6 As shown in the embodiment, the housing 1 is axially symmetrically provided with the moving groove 103 on both sides of the groove 102, the moving groove 103 is in communication with the groove 102, the filter plate 16 is movably arranged in the moving groove 103, and the two filter plates 16 are in center abutment.

[0061] Specifically, when the baffle 4 is in the vertical state, the two filter plates 16 are away from each other, a soft brush can be arranged on one side of the moving groove 103, the filter plate 16 slides along the inner wall of the other side of the moving groove 103, after the motor works, the baffle 4 rotates to the horizontal state, the two filter plates 16 are moved to the center along the moving groove 103, until the two filter plates 16 abut against each other, at this time, the air can be filtered through the filter plate 16, in the area with more dust, the dust is prevented from entering the motor through the heat dissipation hole 101, when the motor is not working, the baffle 4 rotates to the vertical state to shield the heat dissipation hole 101, the two filter plates 16 are away from each other, when the filter plate 16 moves into the moving groove 103, the filter plate 16 is in contact with the brush, thereby removing some sundries attached to the filter plate 16, and ensuring the cleanliness of the filter plate 16.

[0062] Referring to Figures 4-7 As shown in the embodiment, a part of the filter plate 16 is located in the groove 102, the moving plate 17 is movably connected with one side of the filter plate 16, the positioning frame 18 is fixedly arranged in the groove 102, the moving plate 17 is slidably connected with the positioning frame 18 at the bottom, the lead screw 19 is movably arranged in the moving plate 17, and the lead screw 19 is movably penetrated through the positioning frame 18 at one end away from the moving plate 17.

[0063] Specifically, when the baffle 4 is converted from the vertical state to the horizontal state, the rotating screw rod 19 is rotated, the rotation of the screw rod 19 drives the moving plate 17 to move away from the vertical plate 51, the moving plate 17 moves relative to the positioning frame 18, and the wooden plate movably connected between the moving plate 17 and the filter plate 16 is rotated to make the two filter plates 16 close to each other until abutting; similarly, the reverse rotation of the screw rod 19 can realize the reverse movement of the moving plate 17, and the two filter plates 16 are separated again.

[0064] Referring to Figure 6 In the embodiment, the screw rod 19 is fixedly provided with a positioning gear 20 at one end away from the moving plate 17, and the lifting plate 14 is fixedly provided with a positioning rack 21 at one side, and the positioning gear 20 is in meshing transmission with the positioning rack 21.

[0065] Specifically, when the motor works, the upward movement of the lifting plate 14 drives the upward movement of the driving rack 15 to realize the rotation of the driving gear 13 and the rotating rod 56, so that the baffle 4 can be converted to the horizontal state, at the same time, the upward movement of the positioning rack 21 drives the rotation of the positioning gear 20, the rotation of the positioning gear 20 drives the rotation of the screw rod 19, so that the two filter plates 16 can be close to each other and abut; similarly, when the motor does not work, the downward movement of the lifting plate 14 can make the baffle 4 become the vertical state, and the filter plates 16 are separated from each other and enter the moving groove 103, and the filter plates 16 are cleaned by the brush.

[0066] The technical features of the above-described embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered that it is within the scope of the present application.

[0067] The above-described embodiments only express several embodiments of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A dual-redundant slotless brushless permanent magnet DC motor comprising a housing and two sets of windings mounted within said housing, characterized in that, Also include: The heat dissipation hole is opened in the both sides of the casing; Rotary cylinder, linear array from top to bottom rotationally arranged in the heat dissipation hole; Baffle, fixedly installed outside the rotary cylinder; Groove, opened in the casing, located in one side of the heat dissipation hole, one end of the rotary cylinder is movably penetrated through the inner wall of the heat dissipation hole and the other end is located in the groove; Driving assembly, provided in the groove, for driving the rotary cylinder to rotate; Dust removal assembly, provided in one side of the baffle, for removing dust on the surface of the baffle, the dust removal assembly comprises a fixed frame, the fixed frame is fixedly installed outside the baffle, a dust removal pad is movably arranged in the fixed frame, the dust removal pad and the inner wall of the fixed frame are connected by a plurality of positioning springs, the baffle is fixedly installed on both sides of the baffle, the dust removal pad is slidably connected with the positioning plate on both ends, a horizontal groove is formed in one side of the fixed frame close to the positioning plate, a moving block is movably arranged in the horizontal groove, a stop block is movably arranged in the moving block, an inclined groove is formed in one side of the stop block, the stop block is movably connected with one side of the dust removal pad, the stop block and the inner wall of the moving block are connected by a return spring, a notch is formed in one side of the positioning plate, the notch and the horizontal groove are in communication, a movable block is movably arranged in the notch, the movable block is fixedly connected with the moving block, an active slot is formed in the bottom of the baffle, the active slot penetrates through the side wall of the rotary cylinder, a limiting rod is movably arranged in the active slot, one end of the limiting rod is fixedly connected with the bottom of the movable block, a fixed rod is movably arranged in the rotary cylinder, one end of the fixed rod is fixedly connected with the inner wall of the groove, a curved groove is formed in the outer side of the fixed rod, the other end of the limiting rod is slidably connected with the curved groove, the driving assembly comprises a vertical plate, the vertical plate is fixedly installed in the groove, one end of the rotary cylinder is rotatably connected with the vertical plate, an active plate is fixedly sleeved outside the rotary cylinder, an oscillating plate is movably connected with one side of the active plate, a rotating plate is movably connected with one end of the oscillating plate away from the active plate, a driving plate is movably connected with one end of the rotating plate away from the oscillating plate, a rotating rod is fixedly connected with one side of the driving plate, the rotating rod is rotatably connected with the vertical plate.

2. A dual-redundancy slotless brushless permanent magnet DC motor according to claim 1, characterized in that, The other end of the rotating rod away from the driving plate is movably penetrated through the vertical plate and fixedly connected with a driving gear, a lifting plate is movably arranged in the groove, one end of the lifting plate is fixedly provided with a driving rack, the driving rack is in meshing transmission with the driving gear.

3. A dual-redundancy slotless brushless PM DC motor as claimed in claim 2, characterized in that, The casing is axially symmetrically provided with a moving groove on both sides of the groove, the moving groove and the groove are in communication, a filter plate is movably arranged in the moving groove, and the two filter plates are centrally abutted.

4. A dual-redundancy slotless brushless PM DC motor as claimed in claim 3, characterized in that, Part of the filter plate is located in the groove, a moving plate is movably connected with one side of the filter plate, a positioning frame is fixedly arranged in the groove, the bottom of the moving plate is slidably connected with the positioning frame, a lead screw is movably arranged in the moving plate, and one end of the lead screw away from the moving plate is movably penetrated through the positioning frame.

5. A dual redundant slotless brushless permanent magnet DC motor as claimed in claim 4, wherein, The fixed position gear is arranged at one end of the lead screw away from the moving plate, and the fixed position rack is arranged at one side of the lifting plate. The fixed position gear is arranged at one end of the lead screw away from the moving plate, and the fixed position rack is arranged at one side of the lifting plate.

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