CN210405000U

CN210405000U - Water cooling structure for motorcycle motor

Info

Publication number: CN210405000U
Application number: CN201921957481.XU
Authority: CN
Inventors: 李兵; 马科; 黎哲贵; 余秀娟
Original assignee: Chongqing Qiulong Technology Co ltd
Current assignee: Chongqing Qiulong Technology Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-04-24
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a water-cooling structure for motorcycle motor, including consecutive water tank, water-cooled machine and controlling means, and make water tank, water-cooled machine and controlling means form the rivers return circuit, wherein, the water tank with the controlling means junction is provided with the excessive kettle, be provided with a water pump on the excessive kettle, the end of intaking of water pump is connected with the first water outlet end of excessive kettle through the connecting pipe, the first end of intaking of excessive kettle with the water outlet end of water tank is connected, the water outlet end of water pump with controlling means's the end of intaking is connected. The water flow smoothness is guaranteed through the overflow kettle, meanwhile, the heat dissipation performance of the water-cooled motor and the control device is improved, the problem that the heat productivity of the water-cooled motor is large when the water-cooled motor works for a long time is effectively solved, the performance of the whole vehicle is improved, and meanwhile, the comfort level of a driver can be guaranteed.

Description

Water cooling structure for motorcycle motor

Technical Field

The utility model relates to a technical field of electric motorcycle car part, concretely relates to water-cooling structure for motorcycle motor.

Background

The motor cooling form is mainly water cooling or air cooling, and because the motor for the electric motorcycle has the characteristics of large power density and high rated current, the water cooling form with better cooling effect is generally adopted. Most of motors for electric vehicles on the market at present adopt a cooling mode with a single water inlet and a single water outlet, and once the motors are electrified to work, the water overflowing kettle continuously supplies water at a constant flow rate, so that the water supply flow rate of the water overflowing kettle cannot be adjusted according to the actual working condition and the heating condition of the motors.

In the traditional water-cooling structural form for the motor of the motorcycle, water flows out of the water outlet from the single water inlet through the water channel, and the water flows are continuously heated in the flow channel in the period, so that the temperature of the water flows in the flow channel is uneven, the temperature difference between the water inlet and the water outlet is amplified, and the integral heat dissipation effect of the motor is influenced. From the efficiency of the cooling system, the overflow kettle works under a constant working condition, the heat storage property of good water is not used, the working efficiency is low, and the power consumption of the heat dissipation system is increased.

SUMMERY OF THE UTILITY MODEL

The above-mentioned not enough to prior art exists, the utility model aims to provide an improve water-cooling motor work efficiency's a water-cooling structure for motorcycle motor.

Solve the technical problem, the utility model discloses a following technical scheme:

the water cooling structure for the motorcycle motor comprises a water tank, a cooling channel in the water cooling motor and a water cooling channel in a control device which are sequentially communicated through pipelines, and the water tank, the cooling channel and the water cooling channel form a water flow loop, wherein a water overflowing kettle is arranged at the joint of the water tank and the control device, a water pump is arranged on the water overflowing kettle, the water inlet end of the water pump is connected with the first water outlet end of the water overflowing kettle through a connecting pipe, the first water inlet end of the water overflowing kettle is connected with the water outlet end of the water tank, and the water outlet end of the water pump is connected with the water inlet end of the control device.

The utility model discloses a principle and beneficial effect lie in:

when the water-cooled motor and the control device of the utility model work, the excessive water in the water tank flows into the water overflow kettle through the water outlet end of the water tank; when the water in controlling means and the water-cooled machine is not enough, introduce to controlling means in with the interior water of spillway kettle through the water pump, get into the water-cooled machine from controlling means again, make the heat among water-cooled machine and the controlling means pass through the water pump and take water out, and in the water tank flows to, the water tank carries out the heat transfer again, whole process forms a cooling cycle, and the patency of rivers and the storage capacity of water have been guaranteed through the spillway kettle, and simultaneously, water-cooled machine and controlling means's thermal diffusivity has been improved, the problem that the long-time work calorific capacity of water-cooled machine is big has effectively been solved, the vehicle performance has been improved, driver's comfort level can also be guaranteed to the.

Further, water cooled machine includes the casing and fixes the end cover in casing one end, the casing is kept away from the tip of end cover is provided with has elastic lock ring, the casing surface has cup jointed the shell, cooling channel by constitute seal structure's water course after shell and the casing equipment, the cooling channel both ends set up the second respectively and intake end and second and go out the water end, form water-cooling circuit. The water-cooling loop is arranged on the motor shell, so that the heat of the rotor is transferred to the water-cooling loop through air flow and is taken away by cooling water of the water-cooling loop, the heat transfer efficiency of the rotor is improved, the heat dissipation efficiency is effectively improved, and the performance of the motor is improved; in addition, can reach through the lock ring and stabilize the shell outside the casing fast, improve stability, simultaneously, also can install fast.

Furthermore, a plurality of heat dissipation ribs for increasing the heat dissipation area are arranged on the periphery of the shell. The heat dissipation area is increased through the heat dissipation ribs, so that the heat dissipation speed of the cooling water channel is increased, the air flow in the shell is achieved, and the air thermal resistance in the shell is reduced.

Further, the cooling channel extends in an axial direction or is configured as a cooling spiral channel. The cooling spiral channel or the axial extension can improve the cooling effect of the water-cooled motor structure.

Furthermore, the outer surface of the end part of the end cover, far away from the machine shell, is provided with an annular first groove, the first groove is positioned between the locking ring and the end part of the cooling channel, the outer surface of the end part of the machine shell, close to the end cover, is provided with two annular second grooves, and an O-shaped sealing ring is sleeved in the first groove and the second grooves.

The function of the groove is to position the O-ring, which by reducing the sealing position and the radially sealing O-ring, allows higher pressures in the cooling circuit, which again optimizes the motor utilization.

Furthermore, a fan which is right opposite to the water tank is arranged on the side face of the water tank. The fan directly dissipates heat of water in the water tank, so that the temperature of water flow is guaranteed.

Furthermore, a first water outlet pipe connected with the overflow kettle is arranged at the water outlet end of the water tank, and a first water return pipe connected with the second water inlet end is arranged at the water inlet end of the water tank. The design makes the water tank circulate water through the overflow kettle and the water pump through the first water outlet pipe, and simultaneously leads the water in the cooling channel to return to the water tank through the first water return pipe.

Further, controlling means includes the controller and is located the water-cooling bottom plate of controller below, the water-cooling passageway sets up on the water-cooling bottom plate, the water-cooling passageway both ends are provided with third end of intaking and third play water end respectively, the third is intake and is served the second outlet pipe that is provided with the connection water pump, and the third is provided with the second wet return of connecting cooling channel on the end. By the design, water in the overflowing kettle is introduced into the water cooling channel through the water pump and the second water outlet pipe, and then is introduced into the cooling channel through the second water return pipe, so that the heat dissipation effect of the controller and the water-cooled motor is improved, water can be saved, and water recycling is guaranteed.

Furthermore, a water-cooling groove communicated with a third water inlet end and a third water outlet end is formed in the water-cooling bottom plate, the water-cooling channel is formed by the water-cooling groove and a cover plate arranged on the water-cooling groove in an assembled mode to form a water channel of the sealing structure, a plurality of water guide plates are arranged on two sides in the water-cooling groove in a crossed mode at intervals to separate the water channel in the water-cooling groove into an S shape, and two adjacent water guide plates are longitudinally and respectively provided with a shunting partition plate in parallel in the water channel between the water guide plates. Design like this, make rivers even through water-cooling recess, and take away the heat in the controlling means through rivers, its heat dispersion is good.

Further, the water tank is positioned above the control device, and the control device is arranged above the water-cooling motor and is close to the water-cooling motor. The whole structure is arranged in this way, so that the positions of the water tank, the water-cooled motor and the control device are compact, and the utilization rate of the internal space of the motorcycle is improved.

Compared with the prior art, the utility model has the advantages of as follows:

1. the utility model discloses a spillway kettle plays pressure adjustment's effect, when the water in the water tank is too much, in leading-in spillway kettle of too much water through first outlet pipe, at this moment the water in the spillway kettle is water after the cooling, cold water in the spillway kettle is through the water-cooling passageway of second outlet pipe flow direction controlling means's water-cooling bottom plate with the water pump in, and dispel the heat to the controller, cooling channel in the water-cooling motor is got back to rethread second wet return, also take away the heat in the water-cooling motor simultaneously, get back to in the water tank through first wet return again, and cool off through the fan, and the spillway kettle has the savings effect, can save certain water yield, both the equilibrium reduces the rivers temperature in the water course, improve the whole cooling effect of motor, cooling system's work efficiency is improved again.

2. The utility model discloses a water-cooling structure for motorcycle motor is rational in infrastructure, cools off water through the fan, and the rethread water pump is with the water guide rivers in the excessive kettle to controller and water cooled machine, can improve controller and water cooled machine's thermal diffusivity.

3. The utility model discloses a sealed mode that lock ring and O type sealing washer combined together seals, and is sealed reliable and stable, and simple, has reduced water cooled machine's seepage, has improved the reliability of motor work.

Drawings

Fig. 1 is a schematic structural view of the water cooling structure for the motorcycle motor of the present invention.

Fig. 2 is an exploded view of the water cooling structure for the motorcycle motor of the present invention.

Fig. 3 is a front view of the water-cooled motor of the water-cooled structure for the motorcycle motor of the present invention.

Fig. 4 is a cross-sectional view of the water-cooled motor a-a of fig. 3.

Fig. 5 is a partial enlarged view of fig. 4 at B1.

In the figure: the water cooling device comprises a water tank 1, a first water return pipe 111, a fan 2, a first water outlet pipe 211, an overflow pot 3, a first water inlet end 31, a first water outlet end 32, a water pump 33, a connecting pipe 311, a water cooling motor 4, a second water outlet end 41, a second water inlet end 42, a second water outlet pipe 411, a second water return pipe 412, a shell 43, a heat dissipation rib 44, a machine shell 45, a locking pipe 46, an O-shaped sealing ring 47, a cooling channel 48, a control device 5, a third water outlet end 51 and a third water inlet end 52.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

In this embodiment: referring to fig. 1 and 2, the water cooling structure for the motorcycle motor comprises a water tank 1, a cooling channel 48 in a water cooling motor 4 and a water cooling channel in a control device 5 which are sequentially communicated through a pipeline, and enables the water tank 1, the cooling channel and the water cooling channel to form a water flow loop, wherein a water overflow kettle 3 is arranged at the joint of the water tank 1 and the control device 5, a water pump 33 is arranged on the water overflow kettle 3, the water inlet end of the water pump 33 is connected with a first water outlet end 32 of the water overflow kettle 3 through a connecting pipe 311, a first water inlet end 31 of the water overflow kettle 3 is connected with the water outlet end of the water tank 1 through a first water outlet pipe 211, and the water inlet end of the water tank 1 is provided with a first water return pipe 111 connected with the cooling channel 48 of; the design is such that the water tank 1 circulates water through the overflow kettle 3 through the first water outlet pipe 211, and at the same time, the water in the cooling channel 48 is guided back to the water tank 1 through the first water return pipe 111.

The control device 5 comprises a controller and a water-cooling bottom plate located below the controller, the water-cooling channel 48 is arranged on the water-cooling bottom plate, a third water inlet end 52 and a third water outlet end 51 are respectively arranged at two ends of the water-cooling channel, a second water outlet pipe 411 connected with the water pump 33 is arranged on the third water inlet end 52, and a second water return pipe 412 connected with the cooling channel 48 is arranged on the third water outlet end 51. By the design, water in the overflow kettle 3 is led into the water cooling channel of the control device 5 through the second water outlet pipe 411 through water in the water pump 33, and then is led into the cooling channel of the water-cooled motor 4 through the second water return pipe 412, so that the heat dissipation effect of the controller and the water-cooled motor 4 is improved, water can be saved, and water recycling is guaranteed.

A water-cooling groove communicated with the third water inlet end 52 and the third water outlet end 51 is formed in the water-cooling bottom plate, a water-cooling channel is formed by assembling the water-cooling groove and a cover plate arranged on the water-cooling groove to form a water channel of a sealing structure, a plurality of water guide plates are arranged on two sides in the water-cooling groove at intervals in a crossed manner to divide the water channel in the water-cooling groove into an S shape, and a flow-dividing partition plate is respectively arranged in the water channel between two adjacent water guide plates in parallel along the longitudinal direction of the water; design like this, make rivers even through the water-cooling recess, and take away the heat in the controlling means 5 through rivers, its heat dispersion is good.

Referring to fig. 3 to 5, the water-cooled motor 4 includes a casing 45 and an end cover fixed at one end of the casing 45, an elastic locking ring is disposed at an end of the casing 45 away from the end cover, a casing 43 is sleeved on an outer surface of the casing 45, the casing 43 and the casing 45 are assembled to form a cooling channel 48 of a sealing structure, and a second water outlet end 41 and a second water inlet end 42 are disposed at two ends of the cooling channel 48 respectively to form a water-cooled cooling loop.

Wherein the cooling channel 48 extends in the axial direction or is configured as a cooling spiral channel. The cooling effect in the water-cooled motor 4 can be improved by adopting the cooling spiral channel or extending along the axial direction.

The water-cooling loop is arranged on the motor shell 45, so that the heat of the rotor is transferred to the water-cooling loop through air flow and is taken away by cooling water of the water-cooling loop, the heat transfer efficiency of the rotor is improved, the heat dissipation efficiency is effectively improved, and the performance of the motor is improved; in addition, can reach through the locking ring and stabilize shell 43 outside casing 45 fast, improve stability, simultaneously, also can install fast.

The periphery of the housing 43 is provided with a plurality of heat dissipating ribs 44 for increasing the heat dissipating area. The heat dissipation area is increased through the heat dissipation ribs 44, so that the heat dissipation speed of the cooling water channel is increased, the air flow in the shell 45 is achieved, and the air thermal resistance in the shell 45 is reduced.

Meanwhile, the second water outlet end 41 is connected to the first water return pipe 111, and the second water inlet end 42 is connected to the second water return pipe 412.

The outer surface of the end part of the machine shell 45 far away from the end cover is provided with an annular first groove, the first groove is positioned between the locking ring and the end part of the cooling channel 48, the outer surface of the end part of the machine shell 45 near the end cover is provided with two annular second grooves, and an O-shaped sealing ring 47 is sleeved in the first groove and the second groove.

The function of the groove is to position the O-ring 47, and by reducing the sealing position and the radially sealing O-ring 47, higher pressures can be achieved in the cooling circuit, which again optimizes the motor utilization.

A fan 2 which is over against the water tank 1 is arranged on the side surface of the water tank 1; the fan 2 directly dissipates heat of water in the water tank 1 to ensure the temperature of water flow; the box is positioned above the control device 5, and the control device 5 is arranged above the water-cooled motor 4 and is close to the water-cooled motor 4; the whole structure is distributed in this way, so that the positions of the water tank 1, the water-cooled motor 4 and the control device 5 are compact, and the utilization rate of the internal space of the motorcycle is improved.

The working principle is as follows:

adopt the overfall kettle 3 to play the effect of pressure control, when the water in the water tank 1 is too much, lead into the overfall kettle 3 with too much water through the first outlet pipe 211, the water in the overfall kettle 3 is the water after cooling at this moment, flow into the water-cooling channel of the water-cooling bottom plate of the controlling means 5 through the second outlet pipe 411 with the cold water in the overfall kettle 3 through the water pump 33 again, and dispel the heat to the controller, get back to the cooling channel in the water-cooling motor 4 through the second return pipe 412, also take away the heat in the water-cooling motor 4 at the same time, get back to the water tank 1 through the first return pipe 111, and cool down through the fan 2, and the overfall kettle 3 has the effect of saving, can save certain water yield, both balanced reduction of the temperature of the rivers in the water course, improve the whole cooling effect of motor, improve the work efficiency of the.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all should be covered in the scope of the claims of the present invention.

Claims

1. A water-cooling structure for motorcycle motor, its characterized in that: the water-cooling device comprises a water tank, a cooling channel in a water-cooling motor and a water-cooling channel in a control device which are sequentially communicated through pipelines, and the water tank, the cooling channel and the water-cooling channel form a water flow loop, wherein an overflow kettle is arranged at the joint of the water tank and the control device, a water pump is arranged on the overflow kettle, the water inlet end of the water pump is connected with the first water outlet end of the overflow kettle through a connecting pipe, the first water inlet end of the overflow kettle is connected with the water outlet end of the water tank, and the water outlet end of the water pump is connected with the water inlet end of the control device.

2. The water-cooling structure for the motorcycle motor according to claim 1, wherein the water-cooling motor includes a housing and an end cap fixed at one end of the housing, an end portion of the housing, which is far from the end cap, is provided with an elastic locking ring, an outer surface of the housing is sleeved with an outer shell, the cooling channel is formed by assembling the outer shell and the housing into a water channel of a sealing structure, and two ends of the cooling channel are respectively provided with a second water inlet end and a second water outlet end to form a water-cooling loop.

3. The water-cooling structure for a motorcycle motor according to claim 2, wherein a plurality of heat dissipation ribs for increasing a heat dissipation area are provided on the peripheral side of the outer shell.

4. The water cooling structure for a motorcycle motor according to claim 2, wherein the cooling passage extends in an axial direction or is configured as a cooling spiral passage.

5. A water cooling structure for a motorcycle motor as claimed in any one of claims 2 to 4, wherein the outer surface of the end of the housing remote from the end cap is provided with a first annular groove, the first groove is located between the lock ring and the end of the cooling passage, the outer surface of the end of the housing close to the end cap is provided with two second annular grooves, and an O-ring is sleeved in the first groove and the second groove.

6. The water cooling structure for a motorcycle motor according to claim 1, wherein a fan facing the water tank is provided on a side of the water tank.

7. The water cooling structure for a motorcycle motor according to claim 2, wherein the water outlet end of the water tank is provided with a first water outlet pipe connected with the overflow pot, and the water inlet end of the water tank is provided with a first water return pipe connected with the second water inlet end.

8. The water cooling structure for the motorcycle motor according to any one of claims 1, 6, and 7, wherein the control device includes a controller and a water cooling bottom plate located below the controller, the water cooling channel is disposed on the water cooling bottom plate, a third water inlet end and a third water outlet end are respectively disposed at two ends of the water cooling channel, a second water outlet pipe connected to the water overflow kettle is disposed at the third water inlet end, and a second water return pipe connected to the cooling channel is disposed at the third water outlet end.

9. The water-cooling structure for a motorcycle motor according to claim 8, wherein a water-cooling groove communicating with a third water inlet end and a third water outlet end is formed in the water-cooling bottom plate, the water-cooling channel is a water channel having a sealed structure formed by the water-cooling groove and a cover plate disposed on the water-cooling groove, a plurality of water deflectors are alternately and alternately disposed on both sides of the water-cooling groove to separate the water channel in the water-cooling groove into an "S" shape, and a flow-dividing partition plate is disposed in the water channel between two adjacent water deflectors in parallel along a longitudinal direction thereof.

10. The water cooling structure for a motorcycle motor according to claim 1, wherein the water tank is located above the control device, and the control device is disposed above and in close proximity to the water-cooled motor.