CN109131674B - Balance car - Google Patents

Balance car Download PDF

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Publication number
CN109131674B
CN109131674B CN201810915129.3A CN201810915129A CN109131674B CN 109131674 B CN109131674 B CN 109131674B CN 201810915129 A CN201810915129 A CN 201810915129A CN 109131674 B CN109131674 B CN 109131674B
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CN
China
Prior art keywords
radiator
heat dissipation
air inlet
air
balance car
Prior art date
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Active
Application number
CN201810915129.3A
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Chinese (zh)
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CN109131674A (en
Inventor
汪建晓
伍尚伶
黎铸新
伍世平
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Foshan University
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Foshan University
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Priority to CN201810915129.3A priority Critical patent/CN109131674B/en
Publication of CN109131674A publication Critical patent/CN109131674A/en
Application granted granted Critical
Publication of CN109131674B publication Critical patent/CN109131674B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K11/00Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
    • B62K11/007Automatic balancing machines with single main ground engaging wheel or coaxial wheels supporting a rider
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2204/00Adaptations for driving cycles by electric motor

Abstract

The application discloses a balance car, which comprises a car body, a first radiator and a bottom shell, wherein the bottom shell is arranged below the car body, the left side and the right side of the bottom shell are connected with the car body, a radiating channel is arranged between the bottom shell and the bottom surface of the car body, the first radiator is arranged in the radiating channel, and an air inlet and an air outlet are respectively arranged at the front side and the rear side of the radiating channel. The heat dissipation channel is arranged at the bottom of the balance car, the bottom area of the whole balance car can be used for heat exchange, the heat exchange area is large, and the radiator can cool the components such as a power supply, a motor, a main board and the like which are positioned above the heat dissipation channel. When the balance car is used, air enters the heat dissipation channel from the air inlet at the front side, and is discharged from the air outlet at the rear side, and part of heat in the balance car is taken away by the air flowing through the heat dissipation channel. Meanwhile, the radiator can also accelerate the speed of air flow and improve the heat exchange efficiency. The heat dissipation mode is energy-saving and has high heat exchange efficiency.

Description

Balance car
Technical Field
The application relates to the field of electric vehicles, in particular to a balance car.
Background
The balance car is a popular city travel tool at present, and is very suitable for short-distance travel due to the fact that the balance car is small and convenient, and meanwhile, the balance car is attractive in appearance and popular with many young people. However, the existing balance car has the defects of weak acceleration function and poor cruising ability, and the wide application of the balance car is limited. The acceleration capability of the balance car is insufficient, and the cruising capability and the heat dissipation are greatly related. When accelerating, the motor drives the wheels, the power element generates a large amount of heat, and if the heat is not timely emitted, the power element is easily burnt, so that the balance car is invalid. After long-time continuous operation, heat generated by the power element is easy to accumulate in the balance car, so that the temperature in the car is increased, and the balance car is easy to damage. Therefore, the problem of insufficient heat dissipation capability of the balance car is an important reason for limiting its wide use.
Disclosure of Invention
The application aims to solve the technical problems that: the problem of balance car's heat dispersion is not enough among the prior art is overcome.
The application solves the technical problems as follows:
the utility model provides a balance car, includes automobile body, first radiator, still includes the drain pan, the middle part under the automobile body is located to the drain pan, and the left side and the right side of drain pan link to each other with the automobile body, are equipped with the heat dissipation passageway between the bottom surface of drain pan and automobile body, first radiator is located in the heat dissipation passageway, the front side and the rear side of heat dissipation passageway are equipped with air inlet and gas vent respectively, are equipped with the inclined plane on the automobile body leading flank, and the oblique rear on its top is located to the bottom on inclined plane, and the top of air inlet is located to the bottom on inclined plane.
Further, the dust screening nets are arranged at the air inlet and the air outlet.
Further, a turbulence boss is arranged at the air inlet and is connected with the inner surface of the heat dissipation channel.
Further, the automobile air conditioner further comprises a baffle plate, wherein the baffle plate is arranged on the front side of the air inlet, a turbulent flow gap is arranged between the baffle plate and the air inlet, the left side and the right side of the baffle plate are connected with the automobile body, and the position of the front side edge of the baffle plate is higher than the position of the rear side edge of the baffle plate.
Further, the first radiator comprises radiating fins, the top surface of the first radiator is abutted to the bottom surface of the vehicle body, a connecting hole is formed in the bottom surface of the vehicle body and in the abutted position with the first radiator, a heat conducting fin is arranged in the connecting hole, one end of the heat conducting fin is connected with the first radiator, and the other end of the heat conducting fin is arranged in the vehicle body.
Further, the bottom surface of automobile body is equipped with preceding water conservancy diversion grid, preceding water conservancy diversion grid includes a plurality of parallel arrangement's arc guide plate, is equipped with even clearance between the adjacent arc guide plate, and the arc guide plate cross-section is the arc of vertical setting, and the protruding direction at arc middle part is preceding, and the rear portion of preceding water conservancy diversion grid is equipped with rather than the back water conservancy diversion grid of fore-and-aft symmetry.
Further, the first radiator comprises a first fan blade, the left side of the first fan blade is bent downwards, the right side of the first fan blade extends upwards, the rotating direction of the first fan blade is leftwards, and the first radiator is arranged below the front diversion grid.
Further, the fan comprises a second radiator, the second radiator comprises second fan blades, the second fan and the first fan blades have the same structure, the rotation direction of the second fan blades is rightward, and the second radiator is arranged below the rear diversion grating.
The beneficial effects of the application are as follows: the heat dissipation mode adopted by the application utilizes the relative motion of the balance car and the air to exchange air and heat, and has the energy-saving effect, so that electricity can be saved, and the heat generation can be reduced. In addition, the heat dissipation mode can find out the position with highest heat exchange efficiency through experiments or simulation, and the radiator is arranged at the position, so that the heat dissipation effect can be optimized, and the heat dissipation device has the advantages of energy conservation and high heat exchange efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the application, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a perspective view of a balance car of the present application;
FIG. 2 is a schematic illustration of a first embodiment of the application;
FIG. 3 is a cooling schematic of a first embodiment of the application;
fig. 4 is a schematic diagram of a second embodiment of the present application.
Detailed Description
The conception, specific structure, and technical effects produced by the present application will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present application. It is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present application based on the embodiments of the present application. In addition, all connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to a connection structure that may be better formed by adding or subtracting connection aids depending on the particular implementation. The technical features in the application can be interactively combined on the premise of no contradiction and conflict.
Referring to fig. 1 to 3, a first embodiment of the present application, specifically:
the utility model provides a balance car, includes automobile body, first radiator 1, still includes drain pan 2, the middle part under the automobile body is located to drain pan 2, and the left side and the right side of drain pan 2 link to each other with the automobile body, are equipped with the heat dissipation passageway between the bottom surface of drain pan 2 and automobile body, first radiator 1 is located in the heat dissipation passageway, the front side and the rear side of heat dissipation passageway are equipped with air inlet 5 and gas vent 6 respectively, are equipped with inclined plane 13 on the automobile body leading flank, and the oblique rear on its top is located to the bottom of inclined plane 13, and the top of air inlet 5 is located to the bottom of inclined plane 13.
The balance car is generally provided with three main heating parts, namely a main board mounting position 10, a battery mounting position 11 and a motor mounting position 12, a heat dissipation channel is arranged below the car body, and a radiator can cool main heating parts, such as a power supply, a motor, a main board and the like, which are positioned above the heat dissipation channel. When the balance car is used, the balance car moves forwards, air enters the heat dissipation channel from the air inlet at the front side, the heat dissipation channel is discharged from the air outlet at the rear side, and part of heat in the balance car is taken away by the air flowing through the heat dissipation channel. The heat dissipation mode can save energy without depending on a radiator needing to be electrified. Because of the special structure of the heat dissipation channel, under the condition that no other external force acts, the included angle between the air entering the heat dissipation channel and the horizontal direction is fixed, and the air can firstly contact with a certain area at the top of the heat dissipation channel and then is discharged from the air outlet 6. According to the region at the top of the heat dissipation channel, which is contacted with air firstly, of the experimental measurement, the heat dissipation efficiency can be improved by arranging the heat radiator in the region, and when the balance car is designed, the main board which is most easily damaged due to overhigh temperature is arranged at the position with highest heat dissipation efficiency in the balance car, so that the service life of the balance car is prolonged.
Further, dust screening nets are arranged at the air inlet 5 and the air outlet 6.
Harmful substances such as broken stones, dust and the like are inevitably encountered in the running process of the balance car, and if the harmful substances enter the first radiator 1 or other parts, the first radiator 1 or other parts can be possibly damaged. The dust screen can block the harmful substances, so that the balance car is not easy to damage.
Further, a spoiler 7 is arranged at the air inlet 5, and the spoiler 7 is connected with the inner surface of the heat dissipation channel.
Because the spoiler 7 protrudes from the inner surface of the heat dissipation channel, when air flows through the spoiler 7, the relative speed of the air and the vehicle body can be increased, and the cooling effect can be positively improved.
Further, the vehicle further comprises a baffle plate 4, wherein the baffle plate 4 is arranged on the front side of the air inlet 5, a turbulence gap 3 is arranged between the baffle plate 4 and the air inlet 5, the left side and the right side of the baffle plate 4 are connected with the vehicle body, and the front side edge of the baffle plate 4 is higher than the rear side edge of the baffle plate.
The baffle 4 makes air inlet 5 external structure more complicated, and when air flow through narrow vortex clearance 3 and air inlet 5, all will accelerate, and the atmospheric pressure of air inlet 5 department reduces, and air will concentrate to air inlet 5 department, is favorable to carrying high-speed air to the heat dissipation passageway.
Further, the bottom surface of automobile body is equipped with preceding water conservancy diversion grid 81, preceding water conservancy diversion grid 81 includes a plurality of parallel arrangement's arc guide plate, is equipped with even clearance between the adjacent arc guide plate, and the arc guide plate cross-section is the arc of vertical setting, and the protruding direction at arc middle part is preceding, and the rear portion of preceding water conservancy diversion grid 81 is equipped with rather than the back water conservancy diversion grid 82 of fore-and-aft symmetry.
When air flows through the front guide grating 81, the air flows to the rear upper part of the front guide grating 81 along the arc-shaped guide plate of the front guide grating 81, then, the air is blocked by the shell at the top of the balance car to flow downwards, and when the air flows through the rear guide grating 82, the air flows to the vicinity of the exhaust port 6 along the direction of the arc-shaped guide plate of the rear guide grating 82 downwards and finally is discharged from the exhaust port 6, so that the air forms unidirectional flow at the upper part of the bottom surface of the car body, and the main board installation position 10, the battery installation position 11, the motor installation position 12 and the like can be fully cooled.
Further, the first radiator 1 includes a first fan blade, the left side of which is bent downward and the right side of which is extended upward, and the rotation direction of which is leftward, and the first radiator 1 is disposed under the front grill 81.
The structure and the rotation direction of the first radiator 1 enable the first radiator to have the function of directional exhaust, and the exhaust direction of the first radiator is from bottom to top, so that a propulsion effect is achieved on unidirectional flow of air on the upper portion of the front diversion grating 81, dead angles of no ventilation are generated on the upper portion of the front diversion grating 81, the radiating efficiency is improved, and local overheating is avoided.
Further, the air conditioner further comprises a second radiator 9, the second radiator 9 comprises second fan blades, the second fan and the first fan blades have the same structure, the second fan blades rotate rightwards, and the second radiator 9 is arranged below the rear diversion grille 82.
The structure and the rotation direction of the second radiator 9 enable the second radiator 9 to have a directional exhaust function, and the exhaust direction is from top to bottom, so that the effect of the second radiator 9 is similar to that of the first radiator 1, dead angles of air non-circulation generated on the upper portion of the rear guide grating 82 can be avoided, the heat dissipation efficiency is improved, and local overheating is avoided.
Referring to fig. 4, a second embodiment of the present application is specifically:
the difference from the above embodiment is that the first radiator 1 includes a heat dissipation fin, a connection hole is provided on the bottom surface of the vehicle body above the first radiator 1, a heat conduction fin is provided in the connection hole, one end of the heat conduction fin is connected with the first radiator 1, and the other end is provided in the vehicle body.
Because of the special structure of the heat dissipation channel, under the condition that no other external force acts, the included angle between the air entering the heat dissipation channel and the horizontal direction is fixed, and the air can firstly contact with a certain area at the top of the heat dissipation channel and then is discharged from the air outlet 6. According to the area of the top of the heat dissipation channel, which is firstly contacted by the air, which is measured by experiments, the heat dissipation fins are arranged in the area, so that the heat dissipation efficiency can be improved. And compared with the first embodiment, the radiator 1 of the embodiment can seal the connecting hole, so the embodiment also has the waterproof function, and the balance car can be used in rainy days.
While the preferred embodiment of the present application has been described in detail, the application is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the application, and these equivalent modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.

Claims (1)

1. Balance car, including automobile body, first radiator (1), its characterized in that: the novel automobile comprises a vehicle body, and is characterized by further comprising a bottom shell (2), wherein the bottom shell (2) is arranged in the middle of the lower part of the vehicle body, the left side and the right side of the bottom shell (2) are connected with the vehicle body, a heat dissipation channel is arranged between the bottom shell (2) and the bottom surface of the vehicle body, a first radiator (1) is arranged in the heat dissipation channel, an air inlet (5) and an air outlet (6) are respectively arranged on the front side and the rear side of the heat dissipation channel, an inclined surface (13) is arranged on the front side of the vehicle body, the bottom end of the inclined surface (13) is arranged at the inclined rear of the top end of the inclined surface, and the bottom end of the inclined surface (13) is arranged at the top of the air inlet (5);
the bottom surface of the vehicle body is provided with a front diversion grid (81), the front diversion grid (81) comprises a plurality of arc diversion plates which are arranged in parallel, uniform gaps are arranged between the adjacent arc diversion plates, the cross section of each arc diversion plate is an arc which is vertically arranged, the protruding direction of the middle part of the arc is forward, and the rear part of the front diversion grid (81) is provided with a rear diversion grid (82) which is symmetrical to the front part of the front diversion grid;
the first radiator (1) comprises first fan blades, the left sides of the first fan blades are bent downwards, the right sides of the first fan blades extend upwards, the rotation direction of the first fan blades is leftwards, and the first radiator (1) is arranged below the front diversion grid (81);
the air conditioner further comprises a second radiator (9), wherein the second radiator (9) comprises second fan blades, the second fan and the first fan blades have the same structure, the second fan blades rotate rightwards, and the second radiator (9) is arranged below the rear diversion grid (82);
the dust screening nets are arranged at the air inlet (5) and the air outlet (6);
a turbulence boss (7) is arranged at the air inlet (5), and the turbulence boss (7) is connected with the inner surface of the heat dissipation channel;
still include baffle (4), the front side of air inlet (5) is located to baffle (4) to be equipped with vortex clearance (3) between baffle (4) and air inlet (5), the left side and the right side of baffle (4) link to each other with the automobile body, and the position of the front side limit of baffle (4) is higher than the position of its rear side limit.
CN201810915129.3A 2018-08-13 2018-08-13 Balance car Active CN109131674B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810915129.3A CN109131674B (en) 2018-08-13 2018-08-13 Balance car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810915129.3A CN109131674B (en) 2018-08-13 2018-08-13 Balance car

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Publication Number Publication Date
CN109131674A CN109131674A (en) 2019-01-04
CN109131674B true CN109131674B (en) 2023-09-26

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