CN212889757U

CN212889757U - Cooling device for new energy automobile driving motor

Info

Publication number: CN212889757U
Application number: CN202021601279.6U
Authority: CN
Inventors: 李雪
Original assignee: Shaanxi General Express Profit Information Auto System&engineering Co ltd
Current assignee: Shaanxi General Express Profit Information Auto System&engineering Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-06
Anticipated expiration: 2030-08-04

Abstract

The utility model belongs to the technical field of new energy vehicles, in particular to a cooling device for a driving motor of a new energy vehicle, which comprises a bottom plate, wherein the bottom plate is provided with a driving motor, one side of the driving motor is provided with a battery bin, the battery pack is arranged in the battery bin, the outer part of the driving motor is provided with a protective cover, the inner part of the protective cover is provided with a cooling device, the cooling device is positioned above the driving motor, the top part of the protective cover is provided with an air inlet pipe, the air inlet pipe is positioned above the cooling device, the utility model is provided with a collecting device communicated with the protective cover, in cold weather, battery endurance is an important factor influencing the vehicle trip, heat emitted by the driving motor is guided into the battery bin through a clip pipe to heat the battery pack, and the influence of low-temperature weather on the battery endurance is reduced, the utilization of the waste heat of the driving motor is realized.

Description

Cooling device for new energy automobile driving motor

Technical Field

The utility model belongs to the technical field of the new energy automobile, concretely relates to heat sink for new energy automobile driving motor.

Background

The new energy automobile refers to all other energy automobiles except gasoline and diesel engines, including fuel cell automobiles, hybrid automobiles, hydrogen energy power automobiles, solar automobiles and the like; the cooling device for the new energy automobile driving motor is low in exhaust emission, the driving motor can generate a large amount of heat when the new energy automobile is used, if the heat cannot be dissipated in time, the temperature accumulation is caused to be dangerous, the cooling effect of the cooling device for the existing new energy automobile driving motor production is poor, the cooling speed is low, the using effect is reduced, and the cooling device does not have the function of utilizing waste heat and is low in functionality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat sink for new energy automobile driving motor to it is relatively poor to provide current cooling device cooling effect for new energy automobile driving motor production in solving above-mentioned background art, and cooling rate is slower, has reduced its result of use, secondly does not possess the function of utilizing the waste heat, the lower problem of functionality.

In order to achieve the above object, the utility model provides a following technical scheme: a cooling device for a new energy automobile driving motor comprises a bottom plate, wherein a driving motor is installed on the bottom plate, a battery bin is formed in one side of the driving motor, a battery pack is installed inside the battery bin, a protective cover is installed outside the driving motor, a cooling device is installed inside the protective cover and is located above the driving motor, an air inlet pipe is installed at the top of the protective cover and is located above the cooling device, a second electromagnetic valve and a third electromagnetic valve are installed on one side of the protective cover, connecting pipes are connected between the protective cover and the second electromagnetic valve and between the protective cover and the third electromagnetic valve, a collecting device is installed at one end of the second electromagnetic valve and is located inside the battery bin, one end of the collecting device is located outside the battery bin, and one end of the third electromagnetic valve is connected with an air outlet pipe, and a controller is arranged outside the battery bin.

Preferably, one side of the air inlet pipe is connected with a cold air pipe, and a first electromagnetic valve is installed on the cold air pipe.

Preferably, the cooling device comprises a motor and a fan, the fan is located at one end of the motor, and the fan is rotatably connected with the motor.

Preferably, the protective cover is internally provided with a mounting frame, the motor is positioned inside the mounting frame, and the motor is fixedly connected with the mounting frame.

Preferably, the collecting device comprises a loop pipe and a fixing block, the loop pipe is located at the top inside the battery bin, the fixing block is located outside the loop pipe, two ends of the fixing block are located at the top inside the battery bin, and the fixing block is fixedly connected with the battery bin.

Preferably, the top of battery compartment installs the bolt, the inside that the battery compartment is located the fixed block is run through to the one end of bolt, the bolt closes with the fixed block through the screw thread soon and is connected.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses set up the collection device with the safety cover intercommunication, in chilly weather, battery continuation of the journey is a very important factor that influences the vehicle trip, and the heat that gives out driving motor is through returning the shape pipe and leading into the battery compartment, heats for the group battery, reduces the influence of low temperature weather to battery continuation of the journey, has realized the utilization to the driving motor waste heat.

(2) The utility model discloses set up the cold air pipe of connection on the air-supply line, when summer weather is hot, incorporated the air conditioning that the compressor of vehicle itself brought into the air-supply line, realized the dual cooling of air inlet with the air conditioner, solved current new energy automobile driving motor production with the cooling device cooling effect relatively poor, the slower problem of cooling rate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a schematic view of the mounting bracket and the motor of the present invention;

fig. 4 is a circuit block diagram of the present invention;

in the figure: 1-a first solenoid valve; 2, a cold air pipe; 3-a protective cover; 4-a mounting frame; 5-driving a motor; 6-a bottom plate; 7-a controller; 8-a battery pack; 9-connecting pipe; 10-a return pipe; 11-a battery compartment; 12-a second solenoid valve; 13-a fan; 14-a motor; 15-an air inlet pipe; 16-air outlet pipe; 17-a third solenoid valve; 18-a cooling device; 19-a collecting device; 20-fixing block; 21-bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a cooling device for a new energy automobile driving motor comprises a bottom plate 6, a driving motor 5 is installed on the bottom plate 6, a battery bin 11 is formed in one side of the driving motor 5, a battery pack 8 is installed inside the battery bin 11, a protection cover 3 is installed outside the driving motor 5, a cooling device 18 is installed inside the protection cover 3 and is located above the driving motor 5, an air inlet pipe 15 is installed at the top of the protection cover 3, the air inlet pipe 15 is located above the cooling device 18, a second electromagnetic valve 12 and a third electromagnetic valve 17 are installed on one side of the protection cover 3, a connecting pipe 9 is connected between the protection cover 3 and the second electromagnetic valve 12 and the third electromagnetic valve 17, a collecting device 19 is installed at one end of the second electromagnetic valve 12, the collecting device 19 is located inside the battery bin 11, one end of the collecting device 19 is located outside the battery bin 11, and one end of the third electromagnetic valve 17 is, the controller 7 is mounted outside the battery compartment 11.

Further, one side of air-supply line 15 is connected with cold air pipe 2, installs first solenoid valve 1 on the cold air pipe 2, when summer weather is hot, merges the air conditioning that vehicle compressor itself brought into air-supply line 15 in, has realized the dual cooling of air inlet with the air conditioner, has solved that current new energy automobile driving motor 5 production is with the cooling device cooling effect relatively poor, the slow problem of cooling rate.

Specifically, the cooling device 18 includes a motor 14 and a fan 13, the fan 13 is located at one end of the motor 14, and the fan 13 is rotatably connected to the motor 14.

It is worth mentioning that the mounting frame 4 is installed inside the protection cover 3, the motor 14 is located inside the mounting frame 4, and the motor 14 is fixedly connected with the mounting frame 4.

Further, collection device 19 is including returning venturi tube 10 and fixed block 20, it is located the inside top of battery compartment 11 to return venturi tube 10, fixed block 20 is located the outside of returning venturi tube 10, the both ends of fixed block 20 are located the inside top of battery compartment 11, fixed block 20 and battery compartment 11 fixed connection, in chilly weather, battery duration is the very important factor that influences the vehicle trip, the heat that gives out driving motor 5 leads into battery compartment 11 through returning venturi tube 10, heat for group battery 8, reduce the influence of low temperature weather on battery duration.

Further, a bolt 21 is installed at the top of the battery compartment 11, one end of the bolt 21 penetrates through the battery compartment 11 and is located inside the fixing block 20, and the bolt 21 is screwed with the fixing block 20 through threads.

In summary, the first solenoid valve 1, the second solenoid valve 12, the third solenoid valve 17, the driving motor 5 and the motor 14 are all electrically connected to the controller 7.

The first electromagnetic valve 1, the second electromagnetic valve 12 and the third electromagnetic valve 17 are all normally closed switch copper air valves, the motor 14 is a speed reducing motor, and the controller 7 is KY 02S.

The utility model discloses a theory of operation and use flow: when the utility model is used, when in summer, the second electromagnetic valve 12 is in a closed state, the first electromagnetic valve 1 and the third electromagnetic valve 17 are in an open state, the motor 14 on the mounting frame 4 is started to drive the fan 13 to rotate, external air and cold air in the cold air pipe 2 are pumped into the protective cover 3, the cold air pipe 2 is communicated with a compressor of a vehicle, the compressor is in the prior art and is not marked in the figure, the air mixed with the cold air cools the driving motor 5, heat emitted by the driving motor 5 is absorbed into flowing air and is discharged through the air outlet pipe 16 under the action of the fan 13, when in winter, the first electromagnetic valve 1 and the third electromagnetic valve 17 are in a closed state, the second electromagnetic valve 12 is in an open state, the motor 14 is started, the external cold air is pumped into the protective cover 3 through the fan 13, and the cold air absorbs the heat emitted by the driving motor 5, absorb during thermal air passes through the venturi tube that returns that connecting pipe 9 got into absorbing device 19, the heat that the hot-air distributed out passes through the venturi tube 10 and transmits into battery compartment 11, heats group battery 8, has realized that the device can also utilize waste heat heating group battery 8 when cooling down driving motor 5, and fixed block 20 and bolt 21 are fixed and are returned venturi tube 10.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heat sink for new energy automobile driving motor, includes bottom plate (6), install driving motor (5) on bottom plate (6), battery compartment (11) have been seted up to one side of driving motor (5), the internally mounted of battery compartment (11) has group battery (8), its characterized in that: the external mounting of driving motor (5) has protection cover (3), the internally mounted of protection cover (3) has heat sink (18), heat sink (18) are located the top of driving motor (5), air-supply line (15) are installed at the top of protection cover (3), air-supply line (15) are located the top of heat sink (18), second solenoid valve (12) and third solenoid valve (17) are installed to one side of protection cover (3), be connected with connecting pipe (9) between protection cover (3) and second solenoid valve (12) and third solenoid valve (17), collection device (19) are installed to the one end of second solenoid valve (12), collection device (19) are located the inside of battery compartment (11), the one end of collection device (19) is located the outside of battery compartment (11), the one end of third solenoid valve (17) is connected with out tuber pipe (16), and a controller (7) is arranged outside the battery bin (11).

2. The cooling device for the new energy automobile driving motor according to claim 1, characterized in that: one side of air-supply line (15) is connected with cold air pipe (2), install first solenoid valve (1) on cold air pipe (2).

3. The cooling device for the new energy automobile driving motor according to claim 1, characterized in that: the cooling device (18) comprises a motor (14) and a fan (13), the fan (13) is located at one end of the motor (14), and the fan (13) is rotatably connected with the motor (14).

4. The cooling device for the new energy automobile drive motor according to claim 3, characterized in that: the utility model discloses a motor protection cover, including safety cover (3), motor (14), mounting bracket (4), the internally mounted of safety cover (3) has mounting bracket (4), motor (14) and mounting bracket (4) fixed connection.

5. The cooling device for the new energy automobile driving motor according to claim 1, characterized in that: collection device (19) are including returning venturi tube (10) and fixed block (20), return venturi tube (10) and be located the inside top in battery compartment (11), fixed block (20) are located the outside of returning venturi tube (10), the both ends of fixed block (20) are located the inside top in battery compartment (11), fixed block (20) and battery compartment (11) fixed connection.

6. The cooling device for the new energy automobile drive motor according to claim 5, characterized in that: bolt (21) are installed at the top of battery compartment (11), the inside that battery compartment (11) are located fixed block (20) is run through to the one end of bolt (21), bolt (21) are connected through the screw thread with fixed block (20) soon.