CN115379097B - Windscreen wiper device based on permanent magnet non-directional synchronous motor and magnetic coupling transmission - Google Patents
Windscreen wiper device based on permanent magnet non-directional synchronous motor and magnetic coupling transmission Download PDFInfo
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- CN115379097B CN115379097B CN202211024402.6A CN202211024402A CN115379097B CN 115379097 B CN115379097 B CN 115379097B CN 202211024402 A CN202211024402 A CN 202211024402A CN 115379097 B CN115379097 B CN 115379097B
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- rotor
- permanent magnet
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 18
- 239000011521 glass Substances 0.000 claims description 31
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 3
- 238000007789 sealing Methods 0.000 abstract description 7
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- 230000007774 longterm Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
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- 229910052689 Holmium Inorganic materials 0.000 description 1
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Classifications
-
- B08B1/165—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
- G01S7/4813—Housing arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
Abstract
The invention discloses a wiper device based on permanent magnet non-directional synchronous motor and magnetic coupling transmission, which is characterized by comprising: the device comprises a case, a wiper assembly and a transmission assembly; one end of the transmission assembly is positioned at the top of the case, the other end of the transmission assembly is positioned in the case, and one end of the wiper assembly is fixedly connected with one end of the transmission assembly positioned at the top of the case. By adopting the design, the first permanent magnet block is arranged in the transmission rotor, and the second permanent magnet block magnetically coupled with the first permanent magnet block is arranged in the driven rotor, so that the application of the soft connection transmission and self-reversing motor is realized, a shaft seal and a complex peripheral reversing device are not needed, the design of the windscreen wiper is simplified, the use cost is reduced, the integral sealing capacity and reliability of outdoor equipment are obviously improved, and the service life of the windscreen wiper is prolonged.
Description
Technical Field
The invention relates to the technical field of windscreen wipers, in particular to a windscreen wiper device based on permanent magnet non-directional synchronous motor and magnetic coupling transmission.
Background
Many outdoor optical photogrammetry devices are equipped with at least one window sheet capable of transmitting electromagnetic wave signals in an operating band, such as a colorless transparent glass window at the front end of a camera and a coated optical window on a laser sounding radar shell, and in order to maintain the cleanliness of the outer side surface of the window sheet to maintain good wave transmission efficiency, the device may imitate the mature experience of industries such as vehicles and ships and is equipped with a special wiper, and water stain dust is scraped off on the outer side surface of the window glass by the reciprocating movement of a wiper rubber strip. A considerable amount of wiper drive motors are located inside the machine case of the device, torque is transmitted to the rocker arm and wiper blade outside the machine case through a transmission shaft, sealing is achieved between the machine case and the transmission shaft by means of shaft seals, even if the shaft seals and the shaft have good matching at the initial stage, abrasion and material aging phenomena caused by long-term operation are serious, the shaft seals are gradually invalid and cause pollutant invasion, finally, the device is caused to fail in the service life to bring about at least one maintenance requirement, which is unacceptable for high-reliability precision devices which are used in outdoor complex and severe environments and have strict airtight requirements, and therefore, the scheme of the shaft seals cannot be practically regarded as a design with long-term reliable sealing performance, and even the largest short plates with the reliability of the whole system.
In addition, many small wipers equipped with such optical devices may use multiple linkages or microcontrollers in combination with stepper motors in order to enable the output shaft to be automatically commutated, which results in increased cost, volume and complexity.
Therefore, there is a need to design a wiper device based on permanent magnet non-directional synchronous motor and magnetic coupling transmission to overcome the defects of the prior art.
Disclosure of Invention
The technical scheme adopted by the invention for achieving the technical purpose is as follows: windscreen wiper device based on permanent magnetism unoriented synchronous motor and magnetic coupling transmission, characterized in that includes: the device comprises a case, a wiper assembly and a transmission assembly; one end of the transmission assembly is positioned at the top of the case, the other end of the transmission assembly is positioned in the case, one end of the wiper assembly is fixedly connected with one end of the transmission assembly positioned at the top of the case, and the transmission assembly comprises a wiper flange, a transmission flange, a motor, a transmission rotor and a driven rotor; the transmission flange is fixedly arranged in the case, the wiper flange is fixedly arranged at the top of the case, the transmission flange corresponds to the wiper flange, the transmission flange is hollow and columnar, the motor is arranged in the transmission flange, the transmission rotor is fixedly connected with an output shaft of the motor, the transmission rotor is positioned between the case and the motor, a plurality of first permanent magnet blocks which are arranged at intervals are arranged in one end of the transmission rotor, which is far away from the motor, the driven rotor is suspended on the wiper flange, one end of the wiper assembly is fixedly connected with the driven rotor, one end of the wiper assembly connected with the driven rotor covers the driven rotor, a plurality of second permanent magnet blocks which are arranged at intervals are arranged in one end of the driven rotor adjacent to the wiper flange, the second permanent magnet blocks are mutually absorbed by the first permanent magnet blocks, and the driven rotor is driven to rotate through the second permanent magnet blocks which are magnetically coupled with the first permanent magnet blocks and synchronously rotate when the motor is operated, so as to drive the wiper assembly to swing and be connected with the driven rotor.
In a preferred embodiment, two limit bolts are arranged on the side wall of the transmission flange at a preset distance, one ends of the limit bolts penetrate into the transmission flange, one side, adjacent to the motor, of the transmission rotor is provided with a limit block, and the limit block is located between the two transmission rotors.
In a preferred embodiment, the side wall of the transmission flange is further provided with a limit switch, the limit switch is electrically connected with the wiper assembly, and the side wall of the transmission rotor is provided with a reset protrusion.
In a preferred embodiment, a plurality of transmission slots are formed in the side wall of one end, which is away from the end connected with the motor, of the transmission rotor, and the first permanent magnet blocks are fixedly arranged in the transmission slots.
In a preferred embodiment, an insulating glass sheet is fixedly arranged in the middle of the wiper flange, the insulating glass sheet and the driven rotor are concentrically arranged, a plurality of glass gaskets are fixedly arranged on the insulating glass sheet, the glass gaskets and the driven rotor are concentrically arranged, and the driven rotor is suspended above the wiper flange through the glass gaskets.
In a preferred embodiment, the wiper assembly includes: a wiper arm, wiper blade, and positioning shaft bracket; one end of the wiper rocker arm is rotationally connected with the side wall of the driven rotor, the wiper blade is fixedly arranged on the lower side of the wiper rocker arm, one end of the positioning shaft bracket is fixedly connected with the wiper flange, one end of the positioning shaft bracket, which is far away from the wiper flange, is provided with an outer cover, the outer cover is arranged on the outer side of the driven rotor, a positioning bolt is arranged in the middle of the outer cover, and the positioning bolt penetrates through the axis of the driven rotor.
In a preferred embodiment, the side wall of the outer cover is provided with a limit opening with a preset length.
In a preferred embodiment, the upper side of the rocker arm is further provided with a counterweight.
In a preferred embodiment, the first permanent magnet and the second permanent magnet are Ru-Fe-B magnets.
In a preferred embodiment, the motor is a direct current permanent magnet synchronous motor.
The beneficial effects of the invention are as follows: the first permanent magnet blocks are arranged in the transmission rotor, the second permanent magnet blocks magnetically coupled with the first permanent magnet blocks are arranged in the driven rotor, so that soft connection transmission and self-reversing motor application are realized, shaft seals and complex peripheral reversing devices are not needed, the design of the windscreen wiper is simplified, the use cost is reduced, the integral sealing capacity and reliability of outdoor equipment are remarkably improved, and the service life of the windscreen wiper is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of the positioning pedestal of the present invention;
FIG. 4 is a schematic view of the structure of the driving rotor of the present invention;
fig. 5 is a cross-sectional view of the present invention.
In the figure:
1. a chassis;
10. a wiper assembly; 11. a wiper arm; 12. a wiper blade; 13. positioning a shaft bracket; 131. an outer cover; 132. a limit opening; 133. positioning bolts; 14. balancing weight; 15. a spacer glass sheet; 16. a glass gasket;
20. a transmission assembly; 21. a wiper flange; 22. a transmission flange; 221. a limit bolt; 222. a limit switch; 23. a motor; 24. a transmission rotor; 241. a transmission notch; 242. a limiting block; 243. resetting the bulge; 25. a driven rotor; 26. a first permanent magnet; 27. and the second permanent magnet block.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1 to 5, the present invention provides a wiper device based on coupling transmission of a permanent magnet unidirectional synchronous motor and magnetic force, which is characterized by comprising: the device comprises a case 1, a wiper assembly 10 and a transmission assembly 20; one end of the transmission assembly 20 is positioned at the top of the case 1, the other end of the transmission assembly 20 is positioned in the case 1, one end of the wiper assembly 10 is fixedly connected with one end of the transmission assembly 20 positioned at the top of the case 1, and the transmission assembly 20 comprises a wiper flange 21, a transmission flange 22, a motor 23, a transmission rotor 24 and a driven rotor 25; the transmission flange 22 is fixedly arranged in the case 1, the wiper flange 21 is fixedly arranged at the top of the case 1, the transmission flange 22 corresponds to the wiper flange 21, the transmission flange 22 is hollow and columnar, the motor 23 is arranged in the transmission flange 22, the transmission rotor 24 is fixedly connected with an output shaft of the motor 23, the transmission rotor 24 is positioned between the case 1 and the motor 23, a plurality of first permanent magnet blocks 26 which are arranged at intervals are arranged in one end of the transmission rotor 24 far away from the motor 23, the driven rotor 25 is suspended on the wiper flange 21, one end of the wiper assembly 10 is fixedly connected with the driven rotor 25, one end of the wiper assembly 10 connected with the driven rotor 25 is covered by the driven rotor 25, a plurality of second permanent magnet blocks 27 which are arranged at intervals are arranged in the end of the driven rotor 25 adjacent to the wiper flange 21, the second permanent magnet blocks 27 are attracted with the first permanent magnet blocks 26, the transmission rotor 24 is driven by the motor 23 to rotate, the first permanent magnet blocks are driven by the driven rotor 24, the driven rotor 24 and the driven rotor 24 are driven by the driven rotor 25 to rotate, and the driven rotor 25 are driven by the driven rotor 25 to be coupled with the first permanent magnet blocks, and the driven rotor 25 are driven by the magnetic force, and the driven rotor 25 are driven by the driven rotor 25 to rotate, and the driven rotor 25 are synchronously swing, and the driven rotor 25 are coupled with the first permanent magnet blocks, and the driven rotor 25 are driven by the magnetic force, and the driven rotor is driven rotor 25 to rotate, and the driven rotor is driven by the driven rotor 25 through the magnetic force and the driven rotor through the driven rotor and the driven rotor through the magnetic force and the driven rotor through the magnetic swing coupling, realizing non-contact transmission.
Wherein, still be equipped with the sealing washer in the one side that windscreen wiper flange 21 contacted with quick-witted case 1, when windscreen wiper flange 21 passes through bolted connection with quick-witted case 1, windscreen wiper flange 21 extrudees the sealing washer, forms sealedly to avoid external sand and dust or steam to get into in the quick-witted case 1.
Further, the first permanent magnet 26 and the second permanent magnet 27 are ru-fe-b magnets, and specifically, the first permanent magnet 26 and the second permanent magnet 27 are ru-fe-b magnets, and the magnets are permanent magnets whose magnetism is inferior to that of holmium magnets with absolute zero degrees nowadays, so that the present embodiment is preferred.
Further, the motor 23 is a dc permanent magnet synchronous motor, and in particular, in this embodiment, the motor 23 is preferably a dc permanent magnet non-directional synchronous motor with a reduction gearbox.
Further, in this embodiment, two limit bolts 221 are disposed on the side wall of the driving flange 22 at a preset distance, one end of each limit bolt 221 penetrates into the driving flange 22, one side of the driving rotor 24 adjacent to the motor 23 is provided with a limit block 242, the limit block 242 is located between the two driving rotors 24, specifically, in order to control the self-reciprocating swing of the wiper assembly 10, two limit bolts 221 are disposed on the side wall of the driving gallery at a preset interval, one end of each limit bolt 221 penetrates into the driving flange 22, and one end surface of the driving rotor 24 adjacent to the motor 23 is provided with a raised limit block 242, the limit block 242 is located between the two limit bolts 221, when the driving rotor 24 rotates under the driving of the motor 23, the limit block 242 rotates synchronously, and after the driving rotor rotates to a certain angle, the limit block 242 is abutted against the limit bolts 221, at this time, because two rotating magnetic fields in opposite directions exist in the motor 23 simultaneously, when the limit block 242 contacts any one limit bolt 221, the motor 23 rotates automatically in opposite directions, so that the motor 23 repeatedly rotates in opposite directions, and a natural swinging motion of the assembly is avoided, and the conventional design of the wiper assembly is not required to be forced to be controlled by the microcontroller.
Further, in this embodiment, the side wall of the driving flange 22 is further provided with a limit switch 222, the limit switch 222 is electrically connected with the wiper assembly 10, the side wall of the driving rotor 24 is provided with a reset protrusion 243, specifically, the limit switch 222 is a normally closed mechanical limit switch 222, in order to avoid the situation that the wiper assembly 10 stops at an unexpected position and is blocked because the wiper assembly 10 is reciprocally swung, the side wall of the driving flange 22 is further provided with the limit switch 222, the limit switch 222 is electrically connected with a relay of the wiper assembly 10, meanwhile, the side wall of the driving rotor 24 is provided with a protruding reset protrusion 243, when the motor 23 is controlled by an upper computer to lose power supply to the wiper assembly 10, the limit switch 222 still can keep the power supply to the wiper assembly 10, the wiper assembly 10 continues swinging under the power supplied by the limit switch 222 until the wiper assembly 10 swings to the expected position, the reset protrusion 243 on the driving rotor 24 pushes the limit switch 222 to disconnect the limit switch 222, the motor 23 loses the power to stop running, the wiper assembly 10 stops at the expected position, and when the motor 23 stops at the expected position, the expected position is not needed to be controlled again.
Further, in this embodiment, the side wall of the end, which is connected to the motor 23, of the driving rotor 24 is provided with a plurality of driving notches 241, the first permanent magnet 26 is fixedly disposed in the driving notches 241, specifically, the side wall of the end, which is connected to the motor 23, of the driving rotor 24 is provided with a plurality of inwardly opened driving notches 241, the driving notches 241 are adapted to the first permanent magnet 26, the first permanent magnet 26 is disposed in the driving notches 241, and meanwhile, when the first permanent magnet 26 is disposed in the driving notches 241, a sealant is filled into the driving notches 241 to realize a fixed seal, so that the first permanent magnet 26 is prevented from being displaced and corroded in the notches, and meanwhile, the first permanent magnet 26 is located under the wiper flange 21 and is very close to the driven rotor 25, so that the magnetic flux loss caused by an air gap can be reduced.
It should be noted that the driven rotor 25 is of the same design as the driving rotor 24, i.e. the driven rotor 25 is also provided with a notch, and the notch of the driven rotor 25 is provided in an end of the driven rotor 25 adjacent to the wiper flange 21.
Further, in this embodiment, the middle part of the wiper flange 21 is fixedly provided with a spacer glass sheet 15, the spacer glass sheet 15 is concentrically disposed with the driven rotor 25, the spacer glass sheet 15 is further fixedly provided with a plurality of glass gaskets 16, the glass gaskets 16 are concentrically disposed with the driven rotor 25, the driven rotor 25 is suspended above the wiper flange 21 by the glass gaskets 16, specifically, the middle part of the wiper flange 21 is provided with a non-magnetic spacer glass sheet 15, so that magnetic coupling between the driving rotor 24 and the driven rotor 25 is avoided, the spacer glass sheet 15 is fixedly disposed in the middle part of the wiper flange 21 by bonding, compared with the conventional wiper, no shaft and shaft seal penetrating through a housing exist, thereby forming reliable static seal, avoiding the problem that pollutants caused by aging and abrasion of the shaft seal invade the inside of the chassis 1, meanwhile, a plurality of stacked glass gaskets 16 are arranged in the middle of the isolation glass sheet 15, the driven rotor 25 is suspended above the wiper flange 21 through the glass gaskets 16, so that the friction force generated by the contact between the driven rotor 25 and the isolation glass sheet 15 is avoided, the rotation and abrasion of the driven rotor 25 are influenced, the gravity of the driven rotor 25 and the attraction of the driven rotor 25 due to the transmission rotor 24 are borne by the glass gaskets 16 and transmitted to the limit, when the driven rotor 25 rotates, the mutual extrusion sliding motion among the glass gaskets 16 plays a role of a thrust bearing, compared with other metal bearings or ceramic bearings, the closely contacted multilayer high-hardness glass gaskets 16 can better prevent the problem of corrosion and abrasion caused by the invasion of solid particles and the suspension of wind sand salt fog, and the driven rotor 25 is arranged through the glass gaskets 16, the driven rotor 25 and the wiper flange 21 have proper clearance, so that dust particles possibly accumulated in the space can be blown away by means of external natural wind, and abrasion is reduced.
Further, in the present embodiment, the wiper assembly 10 includes: a wiper arm 11, a wiper blade 12, and a positioning pedestal 13; one end of the wiper rocker 11 is rotationally connected with the side wall of the driven rotor 25, the wiper blade 12 is fixedly arranged on the lower side of the wiper rocker 11, one end of the positioning shaft bracket 13 is fixedly connected with the wiper flange 21, one end of the positioning shaft bracket 13, which is far away from the connection with the wiper flange 21, is provided with an outer cover 131, the outer cover 131 covers the outer side of the driven rotor 25, the middle part of the outer cover 131 is provided with a positioning bolt 133, the positioning bolt 133 penetrates through the axis of the driven rotor 25, specifically, one end of the positioning shaft bracket 13 is fixedly connected with the wiper flange 21, the other end of the positioning shaft bracket extends to the center of the wiper flange 21 and is provided with an outer cover 131, the outer cover 131 covers the outer side of the driven rotor 25, the side wall of the outer cover 131 and the side wall of the driven rotor 25 are arranged at intervals to avoid influencing the rotation of the driven rotor 25, meanwhile, the positioning bolt 133 penetrates through the axis of the driven rotor 25 to fix the driven rotor 25, one end of the wiper rocker 11 is rotationally connected with the side wall of the driven rotor 25, the wiper blade 11 can swing down along with the wiper blade 11, and the wiper blade 11 can swing down relatively to the driven rotor 11, and the wiper blade 11 can swing down along with the swinging function of the wiper 11 is realized when the rocker 11 is arranged.
Further, in this embodiment, the side wall of the housing 131 is provided with a limiting opening 132 with a preset length, specifically, to limit the swinging range of the wiper arm 11, so as to avoid the wiper arm 11 from being far away from the preset position, and the side wall of the housing 131 is provided with the limiting opening 132 with the preset length, so that the wiper arm 11 can only swing within the range of the limiting opening 132, when the position of the wiper arm 11 is out of synchronization with the angular position of the motor 23 due to other reasons, for example, the wiper arm 11 is displaced or frozen on the housing under the influence of external force, the wiper arm 11 cannot be forced to move due to the torque limiting characteristic of the magnetic coupling transmission, which ensures that mechanical loss of the component of the wiper assembly 10 cannot occur even if the wiper arm is blocked, and facilitates the self-resetting operation of the wiper arm in the initial stage and the automatic synchronization with the movement of the motor 23.
Further, in this embodiment, the upper side of the rocker arm is further slidably provided with a balancing weight 14, specifically, in order to achieve a better cleaning effect, a certain pre-pressure is required between the wiper blade 12 and the surface to be cleaned, the pre-pressure of the driven wiper blade is provided by a tension spring installed on the wiper blade 11, but the reaction force of the pre-pressure brings a larger burden to the wiper drive shaft at this time, so that the load must be borne by a suitable bearing, in this embodiment, in order to avoid abrasion between the driven rotor 25 and the positioning bolt 133, the balancing weight 14 is configured, the balancing weight 14 is disposed at a suitable position on the upper side of the wiper blade 11, the pre-pressure required by the wiper blade 12 is provided by the gravity of the balancing weight 14, so that the cleaning effect of the wiper blade 12 is improved, and meanwhile, the balancing weight 14 is divided into two setting modes, firstly, when the wiper blade 11 is vertically disposed, the balancing weight 14 is disposed on the side of the wiper blade 11 connected to the driven rotor 25, and one side of the balancing weight 14 extends a certain distance from the wiper blade 11, so that the moment around the wiper blade 11 formed by the gravity of the balancing weight 14 is favorable to increase the moment of the fixing point of the wiper blade 11, so that the wiper blade 11 gets a larger pre-pressure on the lower side of the wiper blade 11. Secondly, when the wiper arm 11 is horizontally disposed, the weight block 14 is disposed at the middle of the wiper arm 11, so that the wiper blade 12 generates a pre-pressure acting on the surface to be cleaned under the weight of the weight block 14 itself.
It should be noted that, in addition to the transmission of the first permanent magnet 26 and the second permanent magnet 27 in the embodiment by adopting the magnetic coupling manner in the vertical direction, the present invention may also adopt the magnetic coupling transmission of the first permanent magnet 26 and the second permanent magnet 27 in the horizontal direction, and so on.
In summary, according to the invention, the first permanent magnet block 26 is arranged in the transmission rotor 24, and the second permanent magnet block 27 magnetically coupled with the first permanent magnet block 26 is arranged in the driven rotor 25, so that the application of the soft connection transmission and self-reversing motor 23 is realized, a shaft seal and a complex peripheral reversing device are not needed, the design of the windscreen wiper is simplified, the use cost is reduced, the integral sealing capability and reliability of the outdoor equipment are obviously improved, and the service life of the windscreen wiper is prolonged.
The present invention is not limited to the details and embodiments described herein, and thus additional advantages and modifications may readily be made by those skilled in the art, without departing from the spirit and scope of the general concepts defined in the claims and the equivalents thereof, and the invention is not limited to the specific details, representative apparatus and illustrative examples shown and described herein.
Claims (7)
1. Windscreen wiper device based on permanent magnetism unoriented synchronous motor and magnetic coupling transmission, characterized in that includes: the device comprises a case, a wiper assembly and a transmission assembly; one end of the transmission assembly is positioned at the top of the case, the other end of the transmission assembly is positioned in the case, one end of the wiper assembly is fixedly connected with one end of the transmission assembly positioned at the top of the case, and the transmission assembly comprises a wiper flange, a transmission flange, a motor, a transmission rotor and a driven rotor; the transmission flange is fixedly arranged in the case, the wiper flange is fixedly arranged at the top of the case, the transmission flange corresponds to the wiper flange, the transmission flange is in a hollow column shape, the motor is arranged in the transmission flange, the transmission rotor is fixedly connected with an output shaft of the motor, the transmission rotor is positioned between the case and the motor, a plurality of first permanent magnets which are arranged at intervals are arranged in one end of the transmission rotor far away from the motor, the driven rotor is suspended on the wiper flange, one end of the wiper assembly is fixedly connected with the driven rotor, one end of the wiper assembly connected with the driven rotor covers the driven rotor, a plurality of second permanent magnets which are arranged at intervals are arranged in one end of the driven rotor adjacent to the wiper flange, the second permanent magnets are attracted with the first permanent magnets, and the driven rotor is driven to rotate through the second permanent magnets which are magnetically coupled with the first permanent magnets when the motor is operated, so that the driven rotor is driven to rotate synchronously with the transmission rotor to drive the driven rotor to swing; two limit bolts are arranged on the side wall of the transmission flange at preset distances, one end of each limit bolt penetrates into the transmission flange, one side, adjacent to the motor, of each transmission rotor is provided with a limit block, and each limit block is located between two transmission rotors; the middle part of the wiper flange is fixedly provided with a separation glass sheet, the separation glass sheet and the driven rotor are concentrically arranged, the separation glass sheet is fixedly provided with a plurality of glass gaskets, the glass gaskets and the driven rotor are concentrically arranged, and the driven rotor is suspended above the wiper flange through the glass gaskets; the wiper assembly includes: a wiper arm, wiper blade, and positioning shaft bracket; one end of the wiper rocker arm is rotationally connected with the side wall of the driven rotor, the wiper blade is fixedly arranged on the lower side of the wiper rocker arm, one end of the positioning shaft bracket is fixedly connected with the wiper flange, one end of the positioning shaft bracket, which is far away from the wiper flange, is provided with an outer cover, the outer cover is arranged on the outer side of the driven rotor, a positioning bolt is arranged in the middle of the outer cover, and the positioning bolt penetrates through the axis of the driven rotor.
2. The wiper device based on permanent magnet non-directional synchronous motor and magnetic coupling transmission according to claim 1, wherein a limit switch is further arranged on the side wall of the transmission flange, the limit switch is electrically connected with the wiper assembly, and a reset protrusion is arranged on the side wall of the transmission rotor.
3. The windscreen wiper device based on permanent magnet non-directional synchronous motor and magnetic coupling transmission of claim 1, wherein a plurality of transmission notches are formed in the side wall of one end, which is away from the transmission rotor and connected with the motor, of the windscreen wiper device, and the first permanent magnet is fixedly arranged in the transmission notches.
4. The wiper device based on permanent magnet non-directional synchronous motor and magnetic coupling transmission according to claim 1, wherein the side wall of the outer cover is provided with a limiting opening with a preset length.
5. The wiper device based on coupling transmission of a permanent magnet non-directional synchronous motor and magnetic force according to claim 1, wherein a balancing weight is further arranged on the upper side of the rocker arm.
6. The wiper device based on coupling transmission of a permanent magnet unidirectional synchronous motor and magnetic force according to claim 1, wherein the first permanent magnet and the second permanent magnet are Ru-Fe-B magnets.
7. The wiper device based on permanent magnet non-directional synchronous motor and magnetic coupling transmission according to claim 1, wherein the motor is a direct current permanent magnet synchronous motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211024402.6A CN115379097B (en) | 2022-08-24 | 2022-08-24 | Windscreen wiper device based on permanent magnet non-directional synchronous motor and magnetic coupling transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211024402.6A CN115379097B (en) | 2022-08-24 | 2022-08-24 | Windscreen wiper device based on permanent magnet non-directional synchronous motor and magnetic coupling transmission |
Publications (2)
| Publication Number | Publication Date |
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| CN115379097A CN115379097A (en) | 2022-11-22 |
| CN115379097B true CN115379097B (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211024402.6A Active CN115379097B (en) | 2022-08-24 | 2022-08-24 | Windscreen wiper device based on permanent magnet non-directional synchronous motor and magnetic coupling transmission |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014189028A (en) * | 2013-03-26 | 2014-10-06 | Mitsuba Corp | Wiper device |
| CN204415343U (en) * | 2015-01-16 | 2015-06-24 | 重庆电子工程职业学院 | A kind of efficient wiper |
| CN109017682A (en) * | 2018-08-10 | 2018-12-18 | 通号轨道车辆有限公司 | A kind of windshield wiper and its control system, control method |
| CN109199257A (en) * | 2017-07-05 | 2019-01-15 | 威托克有限公司 | Scratch device for floor cleaner |
| CN213168000U (en) * | 2020-08-03 | 2021-05-11 | 黄山正旭科技有限公司 | Automobile windscreen wiper convenient to disassemble |
| CN215565438U (en) * | 2021-08-28 | 2022-01-18 | 漳州市瑞隆达工贸有限公司 | Hollow glass convenient for internal cleaning |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10889267B2 (en) * | 2018-03-05 | 2021-01-12 | Tesla, Inc. | Electromagnetic windshield wiper system |
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2022
- 2022-08-24 CN CN202211024402.6A patent/CN115379097B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014189028A (en) * | 2013-03-26 | 2014-10-06 | Mitsuba Corp | Wiper device |
| CN204415343U (en) * | 2015-01-16 | 2015-06-24 | 重庆电子工程职业学院 | A kind of efficient wiper |
| CN109199257A (en) * | 2017-07-05 | 2019-01-15 | 威托克有限公司 | Scratch device for floor cleaner |
| CN109017682A (en) * | 2018-08-10 | 2018-12-18 | 通号轨道车辆有限公司 | A kind of windshield wiper and its control system, control method |
| CN213168000U (en) * | 2020-08-03 | 2021-05-11 | 黄山正旭科技有限公司 | Automobile windscreen wiper convenient to disassemble |
| CN215565438U (en) * | 2021-08-28 | 2022-01-18 | 漳州市瑞隆达工贸有限公司 | Hollow glass convenient for internal cleaning |
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| CN115379097A (en) | 2022-11-22 |
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