CN116231953A - Dual-motor control device for electric wheelchair - Google Patents

Dual-motor control device for electric wheelchair Download PDF

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Publication number
CN116231953A
CN116231953A CN202310050285.9A CN202310050285A CN116231953A CN 116231953 A CN116231953 A CN 116231953A CN 202310050285 A CN202310050285 A CN 202310050285A CN 116231953 A CN116231953 A CN 116231953A
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shell
motor
arc
water
gear
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CN116231953B (en
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盛献峰
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Zhejiang Norton Motor Co ltd
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Zhejiang Norton Motor Co ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/25Devices for sensing temperature, or actuated thereby
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30Structural association with control circuits or drive circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/18Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/203Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/207Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H02K9/193Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H02K9/20Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil wherein the cooling medium vaporises within the machine casing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/64Electric machine technologies in electromobility

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention relates to the technical field related to electric wheelchairs and discloses a double-motor control device for an electric wheelchair, which comprises a motor carrying shell, wherein the motor carrying shell consists of an upper shell and a lower shell, a double-motor mechanism is fixedly arranged in the motor carrying shell and comprises a rear shell, a front sealing plate shell is fixedly arranged at the top of the rear shell, two driving motors are symmetrically arranged in the rear shell, and the driving motors are in power connection with a gear driving mechanism; the double-motor control device for the electric wheelchair has the advantages that each power wheel of the electric wheelchair is driven by two motors through the reduction gear set, so that the load pressure of a motor coil, a carbon brush and a gear is effectively reduced, the service life of the electric wheelchair is prolonged, the power of each motor is reduced, lighter motors can be selected, and the weight of the motors is reduced.

Description

Dual-motor control device for electric wheelchair
Technical Field
The invention relates to the technical field related to electric wheelchairs, in particular to a double-motor control device for an electric wheelchair.
Background
The wheelchair is an indispensable riding-assisting tool for people with lower limb disabilities and old and weak people. Most wheelchairs are driven by passengers driving rear wheels by hands and are also electric wheelchairs or electric wheelchair vehicles driven by direct-current motors, and the electric wheelchair vehicles are power wheelchair vehicles driven by taking a storage battery as an energy source and controlling an electronic device, so that a user can drive the wheelchair vehicles to travel by himself through a control device;
each power wheel in the existing electric wheelchair is driven by a motor through a reduction gear mechanism, however, the load pressure of a motor coil, carbon play and gears of the motor for driving the power wheel is large, the service life is short, the volume of the existing motor for driving the power wheel is large, the electric wheelchair is very heavy, the same shell is adopted to carry double motors for driving, the power structure is ensured to be controlled in a reduced mode relative to the volume and the weight of the wheelchair, the heat dissipation can be greatly influenced due to the compact arrangement of the inside of the power structure and the layout of the two motors, the service life of the power structure is short, meanwhile, the degradation of power along with the service time is obvious, and the technology of ensuring the heat dissipation of the motor structure and prolonging the service life is obviously important when the two problems are solved simultaneously.
Disclosure of Invention
The invention aims to provide a double-motor control device for an electric wheelchair, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme.
The invention relates to a double-motor control device for an electric wheelchair, which comprises a motor carrying shell, wherein the motor carrying shell consists of an upper shell and a lower shell, a double-motor mechanism is fixedly arranged in the motor carrying shell, the double-motor mechanism comprises a rear shell, a front sealing plate shell is fixedly arranged at the top of the rear shell, two driving motors are symmetrically arranged in the rear shell, the driving motors are in power connection with a gear driving mechanism, the gear driving mechanism is arranged in the rear shell, a driving shaft is rotatably arranged in the rear shell, the driving shaft is provided with a driving gear, two sides of the driving gear are in meshed transmission with two groups of the gear driving mechanisms, a convex shell radiating part is arranged on the upper side of the motor carrying shell, a function regulating mechanism is horizontally and fixedly arranged at the inner side of the convex shell radiating part, the function regulating mechanism comprises a function carrying box, a heat radiation fan is arranged at the top of the function carrying box, the heat radiation fan horizontally faces the convex shell heat radiation part, a front plate heat radiation mechanism is arranged at the top of the front sealing plate shell, the driving shaft penetrates through the front plate heat radiation mechanism, the front plate heat radiation mechanism comprises a plate body attaching shell, a function heat radiation plate is arranged in the plate body attaching shell in a lifting sliding manner, a function water-absorbing cotton plate is arranged at the inner side of the function heat radiation plate, a water mist spray head capable of outputting water vapor is arranged on the surface array of the function heat radiation plate, notch grooves are symmetrically arranged at two sides of the plate body attaching shell, when the function heat radiation plate is in a retracted state, the notch grooves are matched with the surface of the front plate heat radiation mechanism and the surface of the front sealing plate shell to generate a large gap for heat radiation and airflow circulation, a group of motor heat radiation mechanisms are respectively arranged at the outer sides of the driving motors, the motor cooling mechanism is fixedly arranged on the inner wall of the motor embedded cavity protruding from the lower shell, the motor cooling mechanism comprises two groups of semi-arc cooling shells, the semi-arc cooling shells are arranged on the outer wall of the driving motor, a cooling arc panel is installed on the inner side of the semi-arc cooling shells in a lifting sliding mode, a cooling water-absorbing cotton plate is installed on the inner side of the cooling arc panel, water mist nozzles capable of outputting water vapor are arranged on the surface array of the cooling arc panel, arc grooves are symmetrically arranged on two sides of the semi-arc cooling shells, and large gaps are formed in the outer side of the driving motor for cooling and air flow under the condition that the cooling arc panel is retracted.
Further technical scheme, function carries on incasement and is equipped with the water cavity, install the water pump in the water cavity, water pump output intercommunication has the reposition of redundant personnel chamber board, reposition of redundant personnel chamber board array intercommunication has five group's metal hose, the function carries on incasement wall and installs the sensing regulation and control module, the function carries on the case lateral wall and is equipped with the moisturizing mouth, the function carries on case top symmetry and installs the fan mounting bracket, fan mounting bracket fixed mounting has the radiator fan.
Further technical scheme, plate body laminating shell inner wall is equipped with the heat dissipation water cavity, heat dissipation water cavity inner wall array is equipped with the infiltration pore, the function cotton board that absorbs water extrusion laminating set up in the infiltration pore outside, heat dissipation water intracavity slidable mounting has the function floating plate, reset spring is installed to function floating plate top array, function floating plate symmetry is connected with the pulling line, the pulling line terminal pass a set of the infiltration pore connect in the function heating panel, plate body laminating shell inner wall is equipped with transmission channel, transmission channel one end is equipped with the butt joint mouth of pipe, the butt joint mouth of pipe corresponds with metal hose intercommunication, transmission channel terminal intercommunication in heat dissipation water cavity bottom for make the function floating plate upwards slide after the water fills into and rise, the fixed flexible communicating pipe that is equipped with of function heating panel array, flexible communicating pipe terminal intercommunication in the heat dissipation water cavity, flexible communicating pipe other end runs through the function heating panel intercommunication is installed the shower nozzle.
Further technical scheme, the plate body laminating shell inner wall is equipped with the axle head and leads to the groove, the function heating panel the function floating plate and the function cotton board that absorbs water also be equipped with the axle head leads to the hole body that the groove corresponds.
Further technical scheme, semi-arc heat dissipation shell inner wall is equipped with the arc water cavity, arc water cavity inner wall array is equipped with the infiltration through-hole, the cotton board extrusion laminating of heat dissipation absorb water set up in the infiltration through-hole outside, sliding mounting has the arc floating plate in the arc water cavity, arc floating plate top array mounting has return spring, arc floating plate symmetrical connection has the driving wire, the driving wire end pass a set of the infiltration through-hole connect in the heat dissipation arc panel, semi-arc heat dissipation shell inner wall is equipped with the input channel, input channel one end is equipped with the intercommunication mouth of pipe, the intercommunication mouth of pipe with correspond the metal hose intercommunication, the input channel end communicate in arc water cavity bottom for make the arc floating plate upwards slide after the water fills, the fixed flexible pipe that is equipped with of heat dissipation arc panel array, the flexible pipe end intercommunication in the arc water cavity, the flexible pipe other end of intercommunication runs through the heat dissipation arc panel intercommunication is installed the water smoke nozzle.
According to a further technical scheme, the inner wall array of the motor carrying shell is provided with a pipe running groove, and the pipe running groove is used for fixing the metal soft water pipe.
Further technical scheme, protruding shell radiating portion top is equipped with perpendicular ventilation groove, protruding shell radiating portion both sides are equipped with the side and go out ventilation groove, motor carries on casing bottom symmetry and is equipped with the hole site and is used for fixed mounting.
According to the further technical scheme, the overhead groove is formed in the lower side of the installation position of the motor heat dissipation mechanism, and when the heat dissipation arc panel is in a retracted state, the gap is communicated with the overhead groove, so that the airflow circulation efficiency is improved, and heat dissipation is facilitated.
Further technical scheme, gear drive mechanism is including fixing the drive gear of drive shaft, single-layer gear and first bilayer gear, second bilayer gear, third bilayer gear, the fixed suit of single-layer gear is in on the output shaft of driving motor extends into the part in the casing, first bilayer gear second bilayer gear third bilayer gear respectively through first gear shaft second gear shaft third gear shaft is established in the casing, first bilayer gear second bilayer gear's structure is the same and the diameter of its upper outer tooth is less than the diameter of its lower floor's external tooth, the diameter of the outer tooth of the upper outer tooth of third bilayer gear is greater than the diameter of its lower floor's external tooth, first bilayer gear second bilayer gear's lower floor's external tooth respectively with single-layer gear engagement, the outer tooth of the upper outer tooth of third bilayer gear with first bilayer gear second bilayer gear's upper outer tooth engagement, its lower floor's external tooth with driving gear engagement.
The invention has the beneficial effects that:
the double-motor control device for the electric wheelchair has the advantages that each power wheel of the electric wheelchair is driven by two motors through the reduction gear set, so that the load pressure of a motor coil, a carbon brush and a gear is effectively reduced, the service life of the electric wheelchair is prolonged, meanwhile, the power of each motor is reduced, a lighter motor can be selected, the weight of the motor is lightened, the motor directly transmits power to the power wheel through the reduction gear set, and the use of the traditional mechanical clutch mechanism is avoided, so that the structure is simpler, and the weight of the electric wheelchair is correspondingly lightened;
meanwhile, an auxiliary heat dissipation adjusting function structure arranged on the periphery of the power structure is arranged in the motor carrying shell, two motors are arranged in the shell to work and enable the internal structure to be very compact in order to control the volume, the work and heat dissipation of the motors are more important, in the invention, when the temperature of the motors in the motor carrying shell is gradually increased at long-time working temperature and is identified by a temperature sensing module in a sensing adjusting module to carry out communication control, firstly, the air flow is started by a heat dissipation fan to carry out auxiliary heat dissipation, so that internal air flow is discharged outwards through a vertical ventilation groove at the heat dissipation part end of the convex shell and a lateral ventilation groove to improve heat dissipation efficiency, and meanwhile, the water in the water cavity is started by a water pump to be transmitted into a heat dissipation water cavity of a front plate heat dissipation mechanism and an arc-shaped water cavity of the motor heat dissipation mechanism through a water pressure input and is further output water mist outwards intermittently and appropriately through a water mist nozzle, and the water mist is sprayed on the front sealing plate shell and the outer shell of the driving motor through the water mist to drive the inner part to generate evaporation effect and be matched with the outer discharge of the air flow, so that the internal heat dissipation efficiency can be greatly improved;
the auxiliary heat dissipation adjusting function structure has the functions of maintaining heat dissipation efficiency for a long time and further improving the heat dissipation effect in a cavity, the arc-shaped floating plate is arranged in a sliding mode, so that after water flows are filled into the arc-shaped water cavity from the bottom, the arc-shaped floating plate can be lifted upwards under the action of water pressure, the heat dissipation arc-shaped plate can be pulled to slide upwards through a transmission line, the arc-shaped groove at the edge of the semi-arc-shaped heat dissipation shell is arranged, a large gap is formed at the outer side of the driving motor, the gap at the outer side of the driving motor is communicated with the bottom overhead groove, the spraying range of water mist to the driving motor shell can be improved through the arrangement of the gap in cooperation with the water mist nozzle, the range and effect of evaporation effect can be improved, the gap and the communication effect are matched, the circulation effect of air current is improved, and the heat dissipation function of the driving motor is further improved;
the heat dissipation arc panel and the inner side wall of the semi-arc heat dissipation shell are provided with heat dissipation water absorption cotton plates, and meanwhile, the penetrating through holes in the arc water cavity are communicated with the heat dissipation water absorption cotton plates, so that the water pump can stop inputting work after a proper amount of water is filled in the arc water cavity, the heat dissipation arc panel is in a retracted high-temperature coping state, water mist spraying and gap heat dissipation are carried out on the outer shell of the driving motor, the temperature is effectively controlled, the penetrating effect of the penetrating through holes on the heat dissipation water absorption cotton plates is achieved, meanwhile, the water in the arc water cavity is gradually reduced, the heat dissipation arc panel is gradually reset by the water reduction effect and the heat dissipation water absorption cotton plates are in a water filling high-moisture state, and the heat dissipation water absorption cotton plates still can be in a water absorption state after reset, so that the temperature control effect realized by humidity water in the cavity is maintained for a long time, and the problem of damage to the motor due to repeated work and easy temperature fluctuation in the working process can be avoided through the functional setting of the heat dissipation water absorption cotton plates.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the front internal structure of FIG. 1;
FIG. 3 is a schematic diagram of the side view internal structure of FIG. 1;
FIG. 4 is a schematic view of the combined mounting structure of the functional regulating mechanism 20 of FIG. 2;
fig. 5 is a schematic structural view of the front plate heat dissipation mechanism 25 in fig. 3;
fig. 6 is a schematic structural diagram of the motor heat dissipation mechanism 30 in fig. 3;
fig. 7 is a schematic view of the structure of the two-motor mechanism 15 in fig. 1;
fig. 8 is a schematic view of the internal structure of the two-motor mechanism 15 in fig. 1;
fig. 9 is a schematic elevational view of the structure of fig. 8.
Description of the embodiments
The invention will now be described in detail with reference to fig. 1-9, wherein for convenience of description, the orientations described below are now defined as follows: the vertical, horizontal, front-rear directions described below are identical to the vertical, horizontal, front-rear directions of the projection relationship of fig. 1 itself.
The double-motor control device for the electric wheelchair, which is described with reference to the accompanying drawings 1-9, comprises a motor carrying shell 11, wherein the motor carrying shell 11 consists of an upper shell 12 and a lower shell 13, a double-motor mechanism 15 is fixedly arranged in the motor carrying shell 11, the double-motor mechanism 15 comprises a rear shell 61, a front sealing plate shell 60 is fixedly arranged at the top of the rear shell 61, two driving motors 62 are symmetrically arranged in the rear shell 61, the driving motors 62 are in power connection with a gear driving mechanism 65, the gear driving mechanism 65 is arranged in the rear shell 61, a driving shaft 63 is rotatably arranged in the rear shell 61, a driving gear 66 is arranged on the driving shaft 63, two sides of the driving gear 66 are in meshed transmission with the two groups of gear driving mechanisms 65, a convex shell radiating part 14 is arranged on the upper side of the motor carrying shell 11, a function regulating mechanism 20 is horizontally and fixedly arranged at the inner side of the convex shell radiating part 14, the function control mechanism 20 comprises a function carrying box 18, a heat radiation fan 19 is arranged at the top of the function carrying box 18, the heat radiation fan 19 horizontally faces the convex shell heat radiation part 14, a front plate heat radiation mechanism 25 is arranged at the top of a front sealing plate shell 60, a driving shaft 63 penetrates through the front plate heat radiation mechanism 25, the front plate heat radiation mechanism 25 comprises a plate body bonding shell 33, a function heat radiation plate 35 is arranged in the plate body bonding shell 33 in a lifting sliding manner, a function water-absorbing cotton plate 43 is arranged at the inner side of the function heat radiation plate 35, water mist spray heads 37 capable of outputting water vapor are arranged on the surface of the function heat radiation plate 35 in an array manner, notch grooves 34 are symmetrically arranged at two sides of the plate body bonding shell 33, when the function heat radiation plate 35 is in a retracted state, a large gap is formed between the front plate heat radiation mechanism 25 and the surface of the front sealing plate shell 60 for heat radiation and airflow circulation, a group of motor heat radiation mechanisms 30 are respectively arranged at the outer sides of two driving motors 62, the motor cooling mechanism 30 is fixedly arranged on the inner wall of the motor embedded cavity protruding from the lower shell 13, the motor cooling mechanism 30 comprises two groups of semi-arc cooling shells 52, the semi-arc cooling shells 52 are arranged on the outer wall of the driving motor 62, a cooling arc panel 59 is installed on the inner side of the semi-arc cooling shells 52 in a liftable sliding mode, a cooling water absorbing cotton plate 57 is installed on the inner side of the cooling arc panel 59, water mist nozzles 39 capable of outputting water vapor are arranged on the surface array of the cooling arc panel 59, arc grooves 41 are symmetrically arranged on two sides of the semi-arc cooling shells 52, and when the cooling arc panel 59 is in a retracted state, a large gap is formed on the outer side of the driving motor 62 for cooling and air flow.
Preferably, a water cavity 22 is arranged in the function carrying box 18, a water pump 23 is arranged in the water cavity 22, the output end of the water pump 23 is communicated with a diversion cavity plate 24, five groups of metal soft water pipes 26 are communicated with the array of the diversion cavity plate 24, a sensing regulation and control module 27 is arranged on the inner wall of the function carrying box 18, a water supplementing port 28 is arranged on the side wall of the function carrying box 18, fan mounting frames 21 are symmetrically arranged at the top of the function carrying box 18, and a cooling fan 19 is fixedly arranged on the fan mounting frames 21.
Preferably, the inner wall of the plate body bonding shell 33 is provided with a heat dissipation water cavity 45, an inner wall array of the heat dissipation water cavity 45 is provided with a penetration pore 48, the functional absorbent cotton plate 43 is extruded and bonded outside the penetration pore 48, a functional floating plate 46 is slidably mounted in the heat dissipation water cavity 45, a reset spring 47 is mounted at the top array of the functional floating plate 46, the functional floating plate 46 is symmetrically connected with a pulling wire 49, the tail end of the pulling wire 49 penetrates through a group of penetration pores 48 to be connected with the functional heat dissipation plate 35, the inner wall of the plate body bonding shell 33 is provided with a transmission channel 51, one end of the transmission channel 51 is provided with a butt joint pipe orifice 50, the butt joint pipe orifice 50 is communicated with a corresponding metal hose 26, the tail end of the transmission channel 51 is communicated with the bottom of the heat dissipation water cavity 45, the functional floating plate 46 is upwards slipped and lifted after water is filled, the functional heat dissipation plate 35 is fixedly provided with a telescopic communication pipe 42, the tail end of the telescopic communication pipe 42 is communicated with the heat dissipation water cavity 45, and the other end of the telescopic communication pipe 42 is communicated with the functional 35 and is communicated with the water mist spray nozzle 37.
Preferably, the inner wall of the board body attaching case 33 is provided with a shaft end through groove 78, and the functional heat radiation board 35, the functional floating board 46, and the functional water absorbing cotton board 43 are also provided with holes corresponding to the shaft end through groove 78.
Preferably, the inner wall of the semi-arc radiating shell 52 is provided with an arc-shaped water cavity 53, an array of inner walls of the arc-shaped water cavity 53 is provided with penetrating through holes 58, a heat dissipation water absorbing cotton plate 57 is extruded and attached to the outer side of the penetrating through holes 58, an arc-shaped floating plate 54 is slidably mounted in the arc-shaped water cavity 53, a return spring 55 is mounted on the top array of the arc-shaped floating plate 54, the arc-shaped floating plate 54 is symmetrically connected with a transmission line 56, the tail end of the transmission line 56 penetrates through a group of penetrating through holes 58 to be connected with a heat dissipation arc panel 59, the inner wall of the semi-arc radiating shell 52 is provided with an input channel 64, one end of the input channel 64 is provided with a communicating pipe orifice 40, the communicating pipe orifice 40 is communicated with a corresponding metal soft water pipe 26, the tail end of the input channel 64 is communicated with the bottom of the arc-shaped water cavity 53, the arc-shaped floating plate 54 is enabled to slide upwards after water is filled, a communicating telescopic pipe 38 is fixedly arranged on the array of the heat dissipation arc panel 59, the communicating pipe 38 tail end is communicated with the arc-shaped water cavity 53, and the other end of the communicating telescopic pipe 38 penetrates through the heat dissipation arc panel 59 to be communicated with and is provided with a water mist nozzle 39.
Preferably, the inner wall of the motor carrying shell 11 is provided with a pipe running groove 32 in an array, and the pipe running groove 32 is used for fixing the metal soft water pipe 26 in a pipe running mode.
Preferably, the top of the convex shell heat dissipation part 14 is provided with a vertical ventilation groove 16, two sides of the convex shell heat dissipation part 14 are provided with side ventilation grooves 17, and holes are symmetrically arranged at the bottom of the motor carrying shell 11 for fixed installation.
Preferably, the lower side of the installation position of the motor heat dissipation mechanism 30 is provided with an overhead groove 31, and when the heat dissipation arc panel 59 is in a retracted state, the gap is communicated with the overhead groove 31, so that the air flow circulation efficiency is improved, and the heat dissipation is facilitated.
Preferably, the gear driving mechanism 65 includes a driving gear 66 fixed on the driving shaft 63, a single-layer gear 70, and a first double-layer gear 67, a second double-layer gear 68, and a third double-layer gear 73, wherein the single-layer gear 70 is fixedly sleeved on a portion of an output shaft of the driving motor 62 extending into the casing 61, the first double-layer gear 67, the second double-layer gear 68, and the third double-layer gear 73 are respectively axially disposed in the casing 61 through a first gear shaft 71, a second gear shaft 72, and a third gear shaft 74, the first double-layer gear 67 and the second double-layer gear 68 have the same structure, and the diameter of an upper outer tooth thereof is smaller than that of a lower outer tooth thereof, the diameter of an upper tooth of the third double-layer gear 73 is larger than that of a lower outer tooth thereof, the lower outer teeth of the first double-layer gear 67 and the second double-layer gear 68 are respectively meshed with the single-layer gear 70, and the upper outer teeth of the third double-layer gear 73 are respectively meshed with the upper outer teeth of the first double-layer gear 67 and the second double-layer gear 68, and the lower outer teeth thereof are meshed with the driving gear 66.
The specific application method of the invention comprises the following steps:
when the electric wheelchair is in operation, the mounting hole on the lower side of the motor carrying shell 11 is used for mounting the motor mounting position of the wheelchair, and each power wheel of the electric wheelchair is driven by two motors through the reduction gear set through the arrangement of the electric wheelchair, so that the load pressure of a motor coil, a carbon brush and a gear is effectively reduced, the service life of the electric wheelchair is prolonged, meanwhile, the power of each motor is reduced, a lighter motor can be selected, the weight of the motor is lightened, the motor directly transmits power to the power wheel through the reduction gear set, and the use of the traditional mechanical clutch mechanism is avoided, so that the structure is simpler, and the weight of the electric wheelchair is correspondingly lightened;
meanwhile, an auxiliary heat dissipation adjusting function structure arranged on the periphery of the power structure is arranged in the motor carrying shell 11, two motors are arranged in the shell to work, the internal structure is very compact for controlling the volume, the work and heat dissipation of the motors are more important, in the invention, when the temperature in the motor carrying shell 11 is gradually increased due to long-time working temperature of the motors, communication control is carried out through the recognition of a temperature sensing module in the sensing adjusting module 27, firstly, the auxiliary heat dissipation of air flow is carried out through the starting of the heat dissipation fan 19, the internal air flow is discharged outwards through the vertical ventilation groove 16 at the end of the convex shell heat dissipation part 14 and the side ventilation groove 17 to improve the heat dissipation efficiency, meanwhile, the water pump 23 is started, the water in the water cavity 22 is transmitted into the heat dissipation water cavity 45 of the front plate heat dissipation mechanism 25 and the arc-shaped water cavity 53 of the motor heat dissipation mechanism 30 through the metal soft water pipe 26, so that water mist can be input through water pressure and is output in an outward intermittent proper amount through the water mist spray nozzle 37 and the water mist spray nozzle 39, and the external shell of the front sealing plate 60 and the driving motor 62 can greatly improve the internal heat dissipation efficiency through driving the evaporation effect and the external air flow;
the auxiliary heat radiation adjusting function structure has the functions of maintaining heat radiation efficiency for a long time and further improving the heat radiation effect in a cavity, and the arc-shaped floating plate 54 is arranged in a sliding manner, (the motor heat radiation mechanism 30 is taken as an example in the following) so that after water flows are filled into the arc-shaped water cavity 53 from the bottom, the arc-shaped floating plate 54 can be lifted upwards under the action of water pressure, thereby the heat radiation arc panel 59 can be pulled to slide upwards through the transmission line 56, the arc-shaped groove 41 at the edge of the semi-arc-shaped heat radiation shell 52 is arranged, the outer side of the driving motor 62 can generate a larger gap, the gap at the outer side of the driving motor 62 is communicated with the bottom overhead groove 31, the spraying range of the water mist to the outer shell of the driving motor 62 can be improved through the arrangement of the gap in cooperation with the water mist nozzle 39, the range and effect of evaporation effect can be improved, the gap and the communication effect can be improved, and the heat radiation function of the air current can be further improved;
the heat dissipation arc panel 59 and the inner side wall of the semi-arc heat dissipation shell 52 are provided with the heat dissipation water absorption cotton plate 57, and meanwhile, the penetration through holes 58 in the arc water cavity 53 are communicated with the heat dissipation water absorption cotton plate 57, so that the water pump can stop inputting work after a proper amount of water is filled in the arc water cavity 53, the heat dissipation arc panel 59 is in a retracted high-temperature coping state to spray water mist to the outer shell of the driving motor 62 and effectively control the temperature after clearance heat dissipation, the penetration effect of the heat dissipation water absorption cotton plate 57 through the penetration through holes 58 gradually reduces the water in the arc water cavity 53, meanwhile, the water amount is reduced, the heat dissipation arc panel 59 is driven to gradually reset by the water absorption expansion effect of the heat dissipation water absorption cotton plate 57, and meanwhile, the heat dissipation water absorption cotton plate 57 is in a water-filled high-moisture state, so that the temperature control effect realized by humidity water in the cavity can still be realized for a long time, the function of maintaining the heat dissipation effect for a long time can be realized, and the problem of repeated work of the motor and the repeated fluctuation caused by the temperature easily occurring in the working process can be avoided through the function setting of the heat dissipation water absorption cotton plate 57 is realized.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement it without limiting the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims (9)

1. The utility model provides an electronic for wheelchair bi-motor controlling means, includes motor carrying case, its characterized in that: the motor carrying shell consists of an upper shell and a lower shell, a double-motor mechanism is fixedly arranged in the motor carrying shell and comprises a rear shell, a front sealing plate shell is fixedly arranged at the top of the rear shell, two driving motors are symmetrically arranged in the rear shell, the driving motors are in power connection with a gear driving mechanism, the gear driving mechanism is arranged in the rear shell, a driving shaft is rotatably arranged in the rear shell, the driving shaft is provided with driving gears, two sides of each driving gear are in meshed transmission with two groups of the gear driving mechanisms, a convex shell radiating part is arranged at the upper side of the motor carrying shell, a function regulating mechanism is horizontally and fixedly arranged at the inner side of the convex shell radiating part and comprises a function carrying box, a heat dissipation fan is arranged at the top of the function carrying box, the heat radiation fan horizontally faces the convex shell heat radiation part, a front plate heat radiation mechanism is arranged at the top of the front sealing plate shell, the driving shaft penetrates through the front plate heat radiation mechanism, the front plate heat radiation mechanism comprises a plate body attaching shell, a functional heat radiation plate is installed in the plate body attaching shell in a lifting sliding mode, a functional water-absorbing cotton plate is installed on the inner side of the functional heat radiation plate, water spray nozzles capable of outputting water vapor are arranged on the surface array of the functional heat radiation plate, notch grooves are symmetrically arranged on two sides of the plate body attaching shell, when the functional heat radiation plate is in a retracted state, the notch grooves are matched to enable the front plate heat radiation mechanism and the surface of the front sealing plate shell to generate a larger gap for heat radiation and airflow circulation, a group of motor heat radiation mechanisms are respectively arranged on the outer sides of the driving motors, the motor heat radiation mechanisms are fixedly arranged on the inner walls of motor embedded cavities of the convex lower shell, the motor cooling mechanism comprises two groups of semi-arc cooling shells, the semi-arc cooling shells are arranged on the outer wall of the driving motor, a cooling arc panel is installed on the inner side of the semi-arc cooling shells in a lifting sliding mode, a cooling water-absorbing cotton plate is installed on the inner side of the cooling arc panel, water mist nozzles capable of outputting water vapor are arranged on the surface array of the cooling arc panel, arc grooves are symmetrically formed in two sides of the semi-arc cooling shells, and when the cooling arc panel is in a retracted state, a large gap is formed in the outer side of the driving motor for cooling and air flow.
2. The dual motor control device for an electric wheelchair according to claim 1, wherein: the intelligent cooling fan is characterized in that a water cavity is formed in the function carrying box, a water pump is installed in the water cavity, a diversion cavity plate is communicated with the output end of the water pump, five groups of metal soft water pipes are communicated with the diversion cavity plate array, a sensing regulation and control module is installed on the inner wall of the function carrying box, water supplementing ports are formed in the side wall of the function carrying box, fan installation frames are symmetrically installed at the top of the function carrying box, and the fan installation frames are fixedly installed with the cooling fan.
3. The dual motor control device for an electric wheelchair according to claim 2, wherein: the utility model discloses a water spray nozzle, including board laminating shell inner wall, the board body laminating shell inner wall is equipped with the heat dissipation water cavity, heat dissipation water cavity inner wall array be equipped with infiltration pore, function cotton board extrusion laminating set up in the infiltration pore outside, heat dissipation water intracavity slidable mounting has the function floating plate, function floating plate top array mounting has reset spring, function floating plate symmetrical connection has the pulling line, the pulling line terminal pass a set of infiltration pore connect in the function heating panel, board laminating shell inner wall is equipped with transmission channel, transmission channel one end is equipped with the butt joint mouth of pipe, the butt joint mouth of pipe with correspond metal hose intercommunication, transmission channel terminal intercommunication in heat dissipation water cavity bottom for make function floating plate upwards slide after the water fills, the fixed flexible communicating pipe that is equipped with of function heating panel array, flexible communicating pipe terminal intercommunication in heat dissipation water cavity, flexible communicating pipe other end runs through the function heating panel intercommunication is installed the water spray nozzle.
4. A dual motor control device for an electric wheelchair according to claim 3, characterized in that: the inner wall of the plate body laminating shell is provided with a shaft end through groove, and the functional heat dissipation plate, the functional floating plate and the functional water absorption cotton plate are also provided with hole bodies corresponding to the shaft end through groove.
5. The dual motor control device for an electric wheelchair according to claim 2, wherein: the semi-arc heat dissipation shell inner wall is equipped with the arc water cavity, arc water cavity inner wall array is equipped with the infiltration through-hole, the cotton board extrusion laminating of heat dissipation absorb water set up in the infiltration through-hole outside, arc floating plate is installed to arc water cavity slidable motion, arc floating plate top array installation has return spring, arc floating plate symmetrical connection has the driving wire, the driving wire end pass a set of the infiltration through-hole connect in the heat dissipation arc panel, semi-arc heat dissipation shell inner wall is equipped with the input channel, input channel one end is equipped with the intercommunication mouth of pipe, the intercommunication mouth of pipe with correspond the metal hose intercommunication, the input channel end communicate in arc water cavity bottom for make arc floating plate upwards slide after the water fills, the fixed flexible pipe that is equipped with of heat dissipation arc panel array, the flexible pipe end intercommunication of intercommunication in the arc water cavity, the flexible pipe other end of intercommunication runs through the heat dissipation arc panel intercommunication is installed the water smoke nozzle.
6. The dual motor control device for an electric wheelchair according to claim 2, wherein: the motor carries on the array of shells inner wall and is equipped with the pipe chute, it is used for to walk the pipe chute the metal hose walks the pipe fixed.
7. The dual motor control device for an electric wheelchair according to claim 1, wherein: the motor is characterized in that the top of the convex shell radiating part is provided with a vertical ventilation groove, two sides of the convex shell radiating part are provided with side-out ventilation grooves, and holes are symmetrically formed in the bottom of the motor carrying shell for fixed installation.
8. The dual motor control device for an electric wheelchair according to claim 1, wherein: the motor cooling mechanism is characterized in that an overhead groove is formed in the lower side of the mounting position of the motor cooling mechanism, and when the cooling arc panel is in a retracted state, the gap is communicated with the overhead groove, so that the airflow circulation efficiency is improved, and the cooling is facilitated.
9. The dual motor control device for an electric wheelchair according to claim 1, wherein: the gear driving mechanism comprises a driving gear fixed on the driving shaft, a single-layer gear, a first double-layer gear, a second double-layer gear and a third double-layer gear, wherein the single-layer gear is fixedly sleeved on the part, extending into the shell, of the output shaft of the driving motor, the first double-layer gear, the second double-layer gear and the third double-layer gear are respectively meshed with the single-layer gear through a first gear shaft, a second gear shaft and a third gear shaft, the first double-layer gear and the second double-layer gear are respectively arranged in the shell, the structures of the first double-layer gear and the second double-layer gear are the same, the diameter of the outer teeth of the upper layer of the first double-layer gear is smaller than the diameter of the outer teeth of the lower layer of the second double-layer gear, the diameter of the outer teeth of the upper layer of the third double-layer gear is larger than the diameter of the outer teeth of the lower layer of the third double-layer gear, the outer teeth of the upper layer of the third double-layer gear are respectively meshed with the outer teeth of the upper layer of the first double-layer gear and the second double-layer gear, and the lower layer gear are meshed with the driving gear.
CN202310050285.9A 2023-02-01 2023-02-01 Dual-motor control device for electric wheelchair Active CN116231953B (en)

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Application Number Priority Date Filing Date Title
CN202310050285.9A CN116231953B (en) 2023-02-01 2023-02-01 Dual-motor control device for electric wheelchair

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Application Number Priority Date Filing Date Title
CN202310050285.9A CN116231953B (en) 2023-02-01 2023-02-01 Dual-motor control device for electric wheelchair

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CN116231953B CN116231953B (en) 2023-09-15

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105105936A (en) * 2015-09-07 2015-12-02 上海互邦医疗器械有限公司 Electric wheelchair with dual-motor control
JP2020083180A (en) * 2018-11-29 2020-06-04 株式会社デンソー Electric drive module
CN213585481U (en) * 2020-10-29 2021-06-29 优威艾斯智能装备(滁州)有限公司 Motor with quick automatic cooling function
CN215009861U (en) * 2021-03-05 2021-12-03 凤阳汇能铸造科技有限公司 Novel liquid cooling motor casing
CN215186253U (en) * 2021-01-28 2021-12-14 冯泽 Intelligent wheelchair wheel hub motor control device
CN114337109A (en) * 2021-12-15 2022-04-12 南通海日机电科技有限公司 Water-cooling spray type high slip, variable-stage and multispeed three-phase asynchronous motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105105936A (en) * 2015-09-07 2015-12-02 上海互邦医疗器械有限公司 Electric wheelchair with dual-motor control
JP2020083180A (en) * 2018-11-29 2020-06-04 株式会社デンソー Electric drive module
CN213585481U (en) * 2020-10-29 2021-06-29 优威艾斯智能装备(滁州)有限公司 Motor with quick automatic cooling function
CN215186253U (en) * 2021-01-28 2021-12-14 冯泽 Intelligent wheelchair wheel hub motor control device
CN215009861U (en) * 2021-03-05 2021-12-03 凤阳汇能铸造科技有限公司 Novel liquid cooling motor casing
CN114337109A (en) * 2021-12-15 2022-04-12 南通海日机电科技有限公司 Water-cooling spray type high slip, variable-stage and multispeed three-phase asynchronous motor

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