CN113809888B - Single-shaft motor and control system thereof - Google Patents
Single-shaft motor and control system thereof Download PDFInfo
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- CN113809888B CN113809888B CN202110978525.2A CN202110978525A CN113809888B CN 113809888 B CN113809888 B CN 113809888B CN 202110978525 A CN202110978525 A CN 202110978525A CN 113809888 B CN113809888 B CN 113809888B
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- 238000001816 cooling Methods 0.000 claims abstract description 26
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 12
- 230000001133 acceleration Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 8
- 230000001629 suppression Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/0094—Structural association with other electrical or electronic devices
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention relates to a single-shaft motor and a control system thereof, wherein the single-shaft motor comprises a motor body, a motor control assembly and a storage battery, the motor control assembly and the storage battery are respectively arranged above and below an inner cavity of a vehicle body, an air cooling assembly for radiating heat of the motor control assembly and the storage battery is clamped in the middle of the inner cavity of the vehicle body, and a fire extinguishing assembly for extinguishing fire is arranged in the air cooling assembly; the control system utilizes the motor control assembly to control the motor body to run. According to the invention, the air cooling assembly and the fire extinguishing assembly are arranged between the motor control assembly and the storage battery, so that external air can be directly and indirectly used for radiating heat for the motor control assembly and the storage battery, the whole structure is simple and ingenious, the service lives of the motor control assembly and the storage battery can be prolonged by two radiating modes, and therefore, the single-shaft motor can be stably operated, and the safety is improved.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a single-shaft motor and a control system thereof.
Background
Single-shaft brushless motors (also known as in-wheel motors) are widely used in electric vehicles. Currently, the number of private cars in large cities is dramatically increased, so that traffic congestion is increasingly serious. Under the background, the two-wheeled balance car is taken as a personal transportation tool with self-balancing capability driven by electric power, and has good development trend due to the characteristics of environmental protection, economy and the like.
The motor used in the balance car is a single-shaft brushless motor generally, when the balance car is used, the change of the posture of the car body is detected by using a gyroscope and an acceleration sensor in the car body, and the single-shaft motor is accurately driven to carry out corresponding adjustment by using a servo control system so as to keep the balance of the system, and the single-shaft motor and the whole control system are powered by a storage battery.
In addition, most families do not have equipment capable of checking the safety of batteries, and fire or explosion is easy to cause when the balance car storage batteries are charged, so that the single-shaft motor and the control system can be directly damaged, and larger loss is caused.
Disclosure of Invention
The invention aims to solve the problems and provide a high-heat-dissipation fireproof single-shaft motor and a control system thereof.
The invention realizes the above purpose through the following technical scheme:
the single-shaft motor comprises a motor body, motor control components and a storage battery, wherein the motor body is arranged at two ends of a vehicle body, the motor control components are used for controlling the motor body to operate, the storage battery is used for supplying power to the motor body and the motor control components, the motor control components and the storage battery are respectively arranged above and below an inner cavity of the vehicle body, an air cooling component used for radiating heat of the motor control components and the storage battery is clamped at the middle part of the inner cavity of the vehicle body, and a fire extinguishing component used for extinguishing fire is arranged in the air cooling component;
the air cooling assembly comprises a heat conduction air box which is arranged in a front-back ventilation way, heat dissipation holes which are formed in the upper surface and the lower surface of the heat conduction air box, and a heat dissipation hole switch assembly which is arranged on the upper surface and the lower surface of an inner cavity of the heat conduction air box, and the air cooling assembly dissipates heat to the motor control assembly and the storage battery by using external air;
the fire extinguishing assembly expands when encountering heat and drives the radiating hole switch assembly to open the radiating hole, external air contacts the motor control assembly and the storage battery to radiate heat, and when the inside of the vehicle body catches fire, the fire extinguishing assembly bursts and sprays built-in fire extinguishing powder to extinguish the fire.
As a further optimization scheme of the invention, the heat-conducting bellows is arranged in a drawer type and is clamped into the vehicle body from the opening at the front side of the vehicle body, the front side wall and the rear side wall of the heat-conducting bellows are both provided with air inlets, the rear side wall of the vehicle body is provided with an air outlet, and external air enters through the air inlets and is discharged from the air outlet after exchanging heat with the motor control assembly and the storage battery, so that ventilation and heat dissipation are realized.
As a further optimization scheme of the invention, the air cooling assembly further comprises a plurality of tubular filter screens arranged in the heat conduction bellows and a plurality of filter cores arranged in the tubular filter screens, and the tubular filter screens are distributed in a honeycomb shape.
As a further optimization scheme of the invention, the radiating hole switch assembly comprises a heat conducting plate, perforations which are arranged on the surface of the heat conducting plate and correspond to radiating holes, a connecting rod which is fixed in the perforations through an umbrella-shaped bracket, and a hole sealing block which is fixed at the end part of the connecting rod and is arranged in the radiating holes in a sliding manner, wherein the heat conducting plate of the upper radiating hole switch assembly and the lower radiating hole switch assembly are attached with the fire extinguishing assembly.
As a further optimization scheme of the invention, gaps are reserved among the heat conduction bellows, the motor control assembly and the storage battery and are used for accommodating hole sealing blocks of the ejection heat dissipation holes.
As a further optimization scheme of the invention, the fire extinguishing assembly comprises an outer sheath which expands when encountering heat, a plurality of through holes formed in the outer sheath, a high-pressure air bag arranged in an inner cavity of the outer sheath and fire extinguishing powder arranged in the high-pressure air bag, wherein the outer sheath receives heat conducted by a heat conducting bellows and expands to drive the heat radiating hole switch assembly to open the heat radiating hole, and external air passes through the heat radiating hole to contact the motor control assembly and the storage battery, so that heat radiation is realized.
As a further optimization scheme of the invention, the vehicle body comprises an upper shell and a lower shell which are mutually clamped, a battery groove for clamping a storage battery is formed in the bottom of an inner cavity of the lower shell, clamping plates for placing a motor control assembly and an air cooling assembly are respectively arranged in the inner cavity of the upper shell up and down, and a single shaft at one end of the motor body penetrates through the upper shell and is fixedly connected with a mounting plate on the lower shell.
As a further optimization scheme of the invention, a motor connecting wire in the single shaft penetrates through the mounting plate to be connected with a first connector on the mounting plate, one side, far away from the single shaft, of the storage battery is fixedly connected with a second connector, plugs which are spliced with the first connector and the second connector are respectively arranged at the bottoms of two sides of the motor control assembly, the motor control assembly is connected with the motor body through the plugs and the first connector, and the motor control assembly is connected with the storage battery through the plugs and the second connector.
As a further optimization scheme of the invention, the motor control assembly comprises a circuit board, and a control chip, a gyroscope and an acceleration sensor which are arranged on the circuit board, wherein the gyroscope and the acceleration sensor acquire vehicle body posture signals and output the vehicle body posture signals to the control chip, and the control chip drives the motor body according to the acquired vehicle body posture signals so that the vehicle body runs in a balanced mode.
A control system of a single-shaft motor utilizes a motor control assembly to control the operation of a motor body.
The invention has the beneficial effects that:
1) According to the invention, the air cooling assembly is arranged between the motor control assembly and the storage battery, external air can be used for indirectly radiating heat of the motor control assembly and the storage battery, the fire extinguishing assembly is arranged in the air cooling assembly, the heat radiating holes on the upper surface and the lower surface of the air cooling assembly can be opened by the thermal expansion of the fire extinguishing assembly, the heat is directly radiated to the motor control assembly and the storage battery, the whole structure is simple and ingenious, the service lives of the motor control assembly and the storage battery can be prolonged by two heat radiating modes, so that the single-shaft motor can be stably operated, and the safety is improved;
2) The fire extinguishing assembly has the advantages that the high-pressure air bag in the fire extinguishing assembly breaks when a fire occurs, the fire extinguishing powder can be sprayed out from the through holes of the outer sheath in a scattered manner, large-area fire extinguishing is realized, the occurrence of fire is avoided, the fire part elements far away from the fire can be saved, and the loss is reduced.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is an overall rear view of the present invention;
FIG. 3 is a schematic cross-sectional view of an air cooling module according to the present invention;
FIG. 4 is a schematic view of a cross-sectional structure of a vehicle body according to the present invention;
FIG. 5 is a schematic cross-sectional view of a heat sink switch assembly according to the present invention;
FIG. 6 is a schematic view of the portion A of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of the fire suppression assembly mounting structure of the present invention;
FIG. 8 is a schematic diagram II of the fire suppression assembly mounting structure of the present invention;
FIG. 9 is a schematic cross-sectional view of a fire suppression assembly of the present invention;
in the figure: 1. a motor body; 2. a motor control assembly; 3. a storage battery; 4. an air cooling assembly; 41. a heat conduction bellows; 42. a heat radiation hole; 43. a louvre switch assembly; 431. a heat conductive plate; 432. perforating; 433. a connecting rod; 434. sealing hole blocks; 44. an air inlet; 45. a tubular filter screen; 46. a filter element; 5. a fire suppression assembly; 51. an outer sheath; 52. a through hole; 53. a high pressure air bag; 54. fire extinguishing powder; 6. an air outlet; 7. an upper housing; 8. a lower housing; 9. a battery case; 10. a clamping plate; 11. a single shaft; 12. a mounting plate; 13. a first joint; 14. a second joint; 15. a plug.
Detailed Description
The following detailed description of the present application is provided in conjunction with the accompanying drawings, and it is to be understood that the following detailed description is merely illustrative of the application and is not to be construed as limiting the scope of the application, since numerous insubstantial modifications and adaptations of the application will be to those skilled in the art in light of the foregoing disclosure.
Example 1
As shown in fig. 1-9, the single-shaft motor comprises a motor body 1 arranged at two ends of a vehicle body, a motor control assembly 2 used for controlling the motor body 1 to operate, and a storage battery 3 used for supplying power to the motor body 1 and the motor control assembly 2, wherein the motor control assembly 2 and the storage battery 3 are respectively arranged above and below an inner cavity of the vehicle body, an air cooling assembly 4 used for radiating heat of the motor control assembly 2 and the storage battery 3 is clamped at the middle part of the inner cavity of the vehicle body, and a fire extinguishing assembly 5 used for extinguishing fire is arranged in the air cooling assembly 4;
the air cooling assembly 4 comprises a heat conduction air box 41 which is arranged in a front-back ventilation way, radiating holes 42 which are formed in the upper surface and the lower surface of the heat conduction air box 41, and a radiating hole switch assembly 43 which is arranged in the upper surface and the lower surface of the inner cavity of the heat conduction air box 41, and the air cooling assembly 4 radiates heat for the motor control assembly 2 and the storage battery 3 by using external air; the heat-conducting bellows 41 is arranged into a vehicle body in a drawer type and is clamped into the vehicle body from an opening at the front side of the vehicle body, so that a filter element 46 and the like can be conveniently pulled out and replaced, air inlets 44 are formed in the front side wall and the rear side wall of the heat-conducting bellows 41, an air outlet 6 is formed in the rear side wall of the vehicle body, external air enters through the air inlets 44, exchanges heat with the motor control assembly 2 and the storage battery 3 and is discharged from the air outlet 6, and ventilation and heat dissipation are achieved; the heat dissipation hole switch assembly 43 comprises a heat conduction plate 431, a perforation 432 arranged on the surface of the heat conduction plate 431 and corresponding to the heat dissipation hole 42, a connecting rod 433 fixed in the perforation 432 through an umbrella-shaped bracket, and a hole sealing block 434 fixed at the end of the connecting rod and slidingly arranged in the heat dissipation hole 42, wherein the fire extinguishing assembly 5 is attached between the heat conduction plates 431 of the upper heat dissipation hole switch assembly 43 and the lower heat dissipation hole switch assembly 43; gaps are reserved among the heat conduction bellows 41, the motor control assembly 2 and the storage battery 3 and are used for accommodating hole sealing blocks 434 of the ejection heat dissipation holes 42;
the air cooling assembly 4 further comprises a plurality of tubular filter screens 45 arranged in the heat conduction bellows 41 and a plurality of filter cores 46 arranged in the tubular filter screens 45, and the tubular filter screens 45 are distributed in a honeycomb shape;
the fire extinguishing assembly 5 expands when encountering heat and drives the radiating hole switch assembly 43 to open the radiating holes 42, external air contacts the motor control assembly 2 and the storage battery 3 to radiate heat, and when the inside of the vehicle body fires, the fire extinguishing assembly 5 bursts and sprays built-in fire extinguishing powder 54 to extinguish the fire;
the fire extinguishing assembly 5 comprises an outer sheath 51 expanding when encountering heat, a plurality of through holes 52 formed in the outer sheath 51, a high-pressure air bag 53 arranged in an inner cavity of the outer sheath 51, and fire extinguishing powder 54 arranged in the high-pressure air bag 53, wherein the outer sheath 51 receives heat conducted by the heat conducting bellows 41 and expands to drive the heat radiating hole switch assembly 43 to open the heat radiating hole 42, and external air passes through the heat radiating hole 42 to contact the motor control assembly 2 and the storage battery 3, so that heat radiation is realized.
It should be noted that: when the balance car is used, one or two storage batteries 3 can be arranged in the inner cavity of the car body, the whole car body is powered when one storage battery 3 is arranged, and the two storage batteries are respectively powered when two storage batteries are arranged, the motor body 1, the motor control assembly 2 and the like in the car body at two sides of the balance car, and the fire extinguishing assembly 5 can extinguish the flame generated by the fire of the motor control assembly 2 and also can extinguish the flame generated by the fire of the storage battery 3;
during the running process of the balance car, external air enters the heat-conducting bellows 41 through an air inlet 44 at the front side of the heat-conducting bellows 41, is filtered through a filter screen and a filter element 46, takes away heat generated by the storage battery 3 and the motor control assembly 2 conducted by the heat-conducting box body, and is discharged from the air inlet 44 at the rear side of the heat-conducting bellows 41 and an air outlet 6 at the rear side of the car body;
when the motor control assembly 2 or the storage battery 3 generates heat to reach a certain temperature, the outer sheath 51 is thermally expanded, and the outer sheath 51 can be made of a shape memory alloy material, such as titanium alloy; after the outer sheath 51 expands, the heat conducting plates 431 at the top and the bottom are pushed towards the upper and lower surfaces of the heat conducting bellows 41, the heat conducting plates 431 drive the connecting rod 433 and the hole sealing block 434 to slide in the heat radiating holes 42 through the umbrella-shaped support, when the hole sealing block 434 is separated from the heat radiating holes 42, the heat radiating holes 42 are communicated with the heat conducting box and the cavities above and below the heat conducting box, and at the moment, filtered air can enter the heat radiating holes 42 through the through holes 432 and then enter the cavities in the upper and lower directions of the heat conducting box, so that heat is directly radiated for the storage battery 3 and the motor control assembly 2, and the heat radiating effect is improved;
when the storage battery 3 and the motor control assembly 2 reach overheat temperature and fire explosion occurs, the high-pressure air bag 53 can be burnt, the high-pressure air bag 53 is exploded, the fire extinguishing powder 54 stored in the high-pressure air bag is sprayed out, the fire extinguishing powder 54 can be dry powder fire extinguishing agent, the dry powder fire extinguishing agent is sprayed out from the through holes 52 of the outer sheath 51, the fire extinguishing range is large, the effect is better, the filter element 46 can be a flame-retardant filter element, and the influence on the fire extinguishing effect is avoided.
As shown in fig. 4, the vehicle body comprises a left upper shell 7 and a right lower shell 8 which are mutually clamped, and further comprises a connecting piece for connecting the left upper shell and the right lower shell, wherein the two shells can be twisted relatively through the connecting piece, a battery groove 9 for clamping the storage battery 3 is arranged at the bottom of an inner cavity of the lower shell 8, clamping plates 10 for placing the motor control assembly 2 and the air cooling assembly 4 are respectively arranged up and down in the inner cavity of the upper shell 7, and a single shaft 11 at one end of the motor body 1 penetrates through the upper shell 7 and is fixedly connected with a mounting plate 12 on the lower shell 8;
the motor connecting wire in the single shaft 11 runs through the mounting plate 12 and is connected with a joint 13 on the mounting plate 12, one side of the storage battery 3, which is far away from the single shaft 11, is fixedly connected with a joint 14 No. two, plugs 15 which are spliced with the joint 13 No. one and the joint 14 No. two are respectively arranged at the bottoms of two sides of the motor control assembly 2, the motor control assembly 2 and the motor body 1 are connected with the joint 13 through the plugs 15, and the motor control assembly 2 and the storage battery 3 are connected with the joint 14 through the plugs 15 and the joint 14 No. two.
It should be noted that: in order to facilitate the rapid assembly of the whole balance car, particularly, the connection line between the storage battery 3 and the motor body 1 and between the storage battery 3 and the motor control assembly 2 can be realized, the interfaces for connecting the motor body 1 and the storage battery 3 with the motor control assembly 2 are arranged below the plugs 15 on two sides of the bottom of the motor control assembly 2, after the storage battery 3 and the motor body 1 are installed, when the motor control assembly 2 is assembled at last, the motor control assembly 2 is clamped into the clamping plate 10 to realize the positioning and clamping of the plugs 15 and the bottom interfaces, so that the power-on and communication are realized, and the assembly is rapid and convenient.
As shown in fig. 4, the motor control assembly 2 includes a circuit board, and a control chip, a gyroscope and an acceleration sensor mounted on the circuit board, where the gyroscope and the acceleration sensor collect vehicle body posture signals and output the vehicle body posture signals to the control chip, and the control chip drives the motor body 1 according to the collected vehicle body posture signals, so that the vehicle body runs in a balanced manner.
A control system of a single-shaft motor utilizes a motor control assembly 2 to control the motor body 1 to run, and specifically processes vehicle body posture signals acquired by a gyroscope and an acceleration sensor through a control chip to control the motor body 1 to run.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (6)
1. The utility model provides a unipolar motor, including installing motor body (1) at automobile body both ends, be used for controlling motor body (1) moving motor control assembly (2), and be used for giving motor body (1) and motor control assembly (2) power supply battery (3), its characterized in that: the motor control assembly (2) and the storage battery (3) are respectively arranged above and below the inner cavity of the vehicle body, an air cooling assembly (4) for radiating heat of the motor control assembly (2) and the storage battery (3) is clamped in the middle of the inner cavity of the vehicle body, and a fire extinguishing assembly (5) for extinguishing fire is arranged in the air cooling assembly (4);
the air cooling assembly (4) comprises a heat conduction air box (41) which is arranged in a front-back ventilation way, radiating holes (42) formed in the upper surface and the lower surface of the heat conduction air box (41) and a radiating hole switch assembly (43) which is arranged on the upper surface and the lower surface of an inner cavity of the heat conduction air box (41), and the air cooling assembly (4) radiates heat for the motor control assembly (2) and the storage battery (3) by using external air;
the heat conduction bellows (41) is arranged in a drawer type and is clamped into the vehicle body from an opening at the front side of the vehicle body, air inlets (44) are formed in the front side wall and the rear side wall of the heat conduction bellows (41), an air outlet (6) is formed in the rear side wall of the vehicle body, external air enters through the air inlets (44), exchanges heat with the motor control assembly (2) and the storage battery (3) and is discharged from the air outlet (6), and ventilation and heat dissipation are achieved;
the radiating hole switch assembly (43) comprises a heat conducting plate (431), a perforation (432) which is arranged on the surface of the heat conducting plate (431) and corresponds to the radiating hole (42), a connecting rod (433) which is fixed in the perforation (432) through an umbrella-shaped bracket, and a hole sealing block (434) which is fixed at the end part of the connecting rod and is arranged in the radiating hole (42) in a sliding manner, wherein the fire extinguishing assembly (5) is attached between the heat conducting plates (431) of the upper radiating hole switch assembly and the lower radiating hole switch assembly (43);
the air cooling assembly (4) further comprises a plurality of tubular filter screens (45) arranged in the heat conduction bellows (41), and a plurality of filter cores (46) arranged in the tubular filter screens (45), wherein the tubular filter screens (45) are distributed in a honeycomb shape;
the fire extinguishing assembly (5) comprises an outer sheath (51) which expands when encountering heat, a plurality of through holes (52) formed in the outer sheath (51), an air bag (53) arranged in an inner cavity of the outer sheath (51) and fire extinguishing powder (54) arranged in the air bag (53), the outer sheath (51) receives heat conducted by the heat conducting bellows (41) and drives the heat radiating hole switch assembly (43) to open the heat radiating hole (42), external air passes through the heat radiating hole (42) to contact the motor control assembly (2) and the storage battery (3), heat is radiated, and the fire extinguishing assembly (5) bursts when the inside of a vehicle body fires to spray the built-in fire extinguishing powder (54) to extinguish the fire.
2. A single-shaft motor as claimed in claim 1, wherein: gaps are reserved among the heat conduction bellows (41), the motor control assembly (2) and the storage battery (3) and are used for accommodating hole sealing blocks (434) of the ejection heat dissipation holes (42).
3. A single-shaft motor as claimed in claim 1, wherein: the automobile body includes last casing (7) and lower casing (8) of mutual joint, lower casing (8) inner chamber bottom is provided with battery jar (9) that are used for joint battery (3), upward be provided with joint board (10) that are used for placing motor control assembly (2) and air cooling subassembly (4) about casing (7) inner chamber respectively, mounting panel (12) fixed connection on last casing (7) and lower casing (8) are run through in unipolar (11) of motor body (1) one end.
4. A single-shaft motor as claimed in claim 3, wherein: motor connecting wire in unipolar (11) runs through mounting panel (12) and is connected with joint (13) on mounting panel (12), one side fixed connection No. two joint (14) of unipolar (11) are kept away from to battery (3), motor control assembly (2) both sides bottom is provided with respectively with joint (13) and No. two plug (15) of connecting (14) grafting, motor control assembly (2) and motor body (1) are connected through plug (15) and joint (13), motor control assembly (2) and battery (3) are connected through plug (15) and No. two joint (14).
5. A single-shaft motor as claimed in claim 1, wherein: the motor control assembly (2) comprises a circuit board, a control chip, a gyroscope and an acceleration sensor, wherein the control chip, the gyroscope and the acceleration sensor are arranged on the circuit board, the gyroscope and the acceleration sensor acquire vehicle body posture signals and output the vehicle body posture signals to the control chip, and the control chip drives the motor body (1) according to the acquired vehicle body posture signals so that the vehicle body runs in a balanced mode.
6. A control system of a single-shaft motor as claimed in any one of claims 1 to 5, characterized in that: the motor control assembly (2) is used for controlling the motor body (1) to run.
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| CN202110978525.2A CN113809888B (en) | 2021-08-25 | 2021-08-25 | Single-shaft motor and control system thereof |
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| CN202110978525.2A CN113809888B (en) | 2021-08-25 | 2021-08-25 | Single-shaft motor and control system thereof |
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| CN113809888B true CN113809888B (en) | 2023-06-23 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002248903A (en) * | 2001-02-23 | 2002-09-03 | Koyo Seiko Co Ltd | Bearing device for vehicles |
| CN105977577A (en) * | 2016-07-12 | 2016-09-28 | 佛山市联智新创科技有限公司 | Over-temperature protection device for battery |
| CN109367671A (en) * | 2018-12-03 | 2019-02-22 | 杭州绿丞科技有限公司 | Intelligent electric balance car |
| CN112954985A (en) * | 2021-03-31 | 2021-06-11 | 上海天马微电子有限公司 | Heat dissipation mechanism and display device |
-
2021
- 2021-08-25 CN CN202110978525.2A patent/CN113809888B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002248903A (en) * | 2001-02-23 | 2002-09-03 | Koyo Seiko Co Ltd | Bearing device for vehicles |
| CN105977577A (en) * | 2016-07-12 | 2016-09-28 | 佛山市联智新创科技有限公司 | Over-temperature protection device for battery |
| CN109367671A (en) * | 2018-12-03 | 2019-02-22 | 杭州绿丞科技有限公司 | Intelligent electric balance car |
| CN112954985A (en) * | 2021-03-31 | 2021-06-11 | 上海天马微电子有限公司 | Heat dissipation mechanism and display device |
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| Publication number | Publication date |
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| CN113809888A (en) | 2021-12-17 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A single axis motor and its control system Granted publication date: 20230623 Pledgee: Lujiang County small and medium-sized enterprises financing Company limited by guarantee Pledgor: Anhui Weite Motor Technology Co.,Ltd. Registration number: Y2024980027426 |
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