CN210958000U - High-speed motor casing for electric vehicle - Google Patents

Abstract

The utility model discloses a high-speed motor casing for an electric vehicle, which comprises a mounting seat, a casing, a motor and a cooling box. The outer edge of the casing is drilled with several sets of mounting holes for bolt fixing, the inner edge of the casing is provided with a number of cooling plates, and a set of channels is arranged between the two cooling plates, and the cooling plates are fixed and welded to the inner edge of the casing, The cooling plate is provided with a cooling pipe inside, the outer edge of the motor is provided with several groups of heat-conducting strips in a circular array with the axis of the motor as the center, a cooling box is fixed on one side of the casing, and the cooling pipes are connected by The pipe communicates with the cooling box, and the cooling box is provided with a water pump inside, and the water pump is installed at a set of connecting pipes. The high-speed motor casing for electric vehicles has a reasonable design, can improve the heat dissipation effect of the motor casing, avoid problems such as excessive temperature of the motor, and is suitable for popularization and use.

Description

A high-speed motor shell for an electric vehicle

technical field

The utility model belongs to the technical field of motor casings, in particular to a high-speed motor casing for electric vehicles.

Background technique

Electric vehicle, that is, electric drive vehicle, also known as electric drive vehicle. Electric vehicles are divided into AC electric vehicles and DC electric vehicles. Generally speaking, the electric vehicle is a vehicle that uses the battery as the energy source, and converts the electrical energy into mechanical energy through the controller, motor and other components to control the current size and change the speed.

In the existing electric vehicle motor casing, the existing motor casing has a single heat dissipation structure, and most of the heat dissipation of the motor is carried out by means of heat dissipation fins, and the heat dissipation effect is poor.

Utility model content

The purpose of the present invention is to provide a high-speed motor housing for electric vehicles to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a high-speed motor casing for electric vehicles, comprising a mounting seat, a casing, a motor and a cooling box, the casing is in a circular cylindrical structure, and a top of the casing is fixed with a A set of mounting seats, the outer edge of the mounting seat is drilled with several sets of mounting holes for bolt fixing, and the inner edge of the housing is provided with a number of cooling plates, and the two cooling plates are a group, and the two cooling plates are between the two cooling plates. A set of channels is provided, the cooling plate is fixedly welded on the inner edge of the casing, a cooling pipe is arranged inside the cooling plate, a water guide ring is arranged inside the two ends of the casing, and both ends of the rotor shaft of the motor are Extending out of the motor, the outer edge of the motor is provided with several groups of heat-conducting strips in an annular array with the axis of the motor as the center. And a cooling fan is arranged inside the cooling box, a mounting plate is arranged on one side of the motor, a cooling box is fixed on one side of the casing, and the cooling pipe is communicated with the cooling box through a connecting pipe, and the inside of the cooling box is A water pump is provided, and the water pump is installed at a set of connecting pipes.

Preferably, the cooling pipe is arranged in the cooling plate in the form of an S-shaped disk, the water guide ring is in the O-shape, and the two sides of the heat conducting strip are attached to one side of the two cooling plates.

Preferably, a Y-shaped fixing frame is arranged in the cooling box, a cooling fan is rotatably arranged on the fixing frame, and a protective net is fixed by bolts on the side of the casing away from the mounting plate. One end is provided with a rectangular elongated plug-in rod, and a plug-in slot for the plug-in rod to be plugged is provided at the center of the cooling fan.

Preferably, a plurality of sets of matching holes for installing the first fastening bolts are arranged in an annular array at the outer edge of the installation plate with the center of the installation plate as the center of the circle, and the installation plate is fixed on the casing by the first fastening bolts, and the Two-thirds of the radius of the mounting plate is provided with several groups of fixing holes for the second fastening bolts to be installed in an annular array with the center of the mounting plate as the center of the circle, and the mounting plate is fixed on the motor by the second fastening bolts. Several groups of ventilation slots are dug between the fastening bolts and the second fastening bolts, and ventilation cavities are arranged between the motor and the casing.

Preferably, several sets of installation grooves are opened on the top of the cooling box, and cooling fins are arranged in the installation grooves, and the cold surface of the cooling fins is attached to the cooling box.

The technical effects and advantages of the utility model: the high-speed motor casing for electric vehicles can perform preliminary heat dissipation treatment on the heat of the motor through the cooperation between the cooling fan provided and the ventilation grooves between the casing, the motor and the mounting plate. The heat-conducting strips arranged outside the motor, the cooling fins in the casing, and the cooperation between the cooling pipes, the water-conducting ring, the water pump, the cooling box and the cooling fins can conduct secondary water-cooling heat dissipation to the motor through water-cooling during the working process, and then To improve the heat dissipation effect of the motor casing. The high-speed motor casing for electric vehicles has a reasonable design, can improve the heat dissipation effect of the motor casing, avoid problems such as excessive temperature of the motor, and is suitable for popularization and use.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the sectional view of the utility model;

FIG. 3 is a cross-sectional view at A-A in FIG. 1 of the present utility model.

In the picture: 1 mounting seat, 2 mounting holes, 3 housing, 4 mounting plate, 5 first fastening bolts, 6 second fastening bolts, 7 machine shafts, 8 motors, 10 cooling plates, 101 cooling pipes, 11 heat conduction strips, 12 water guide rings, 13 cooling boxes, 14 water pumps, 15 cooling sheets, 16 fixing frames, 17 cooling fans, 18 protective nets.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The utility model provides a high-speed motor casing for an electric vehicle as shown in Figures 1-3, comprising a mounting seat 1, a casing 3, a motor 8 and a cooling box 13, the casing 3 is in a circular cylindrical structure, so A set of mounting bases 1 is fixed on the top of the casing 3, the outer edge of the mounting base 1 is drilled with several sets of mounting holes 2 for bolt fixing, and the inner edge of the casing 3 is provided with a number of cooling plates 10, and two cooling plates 10 are provided. The plates 10 are a group, and a group of channels are arranged between the two cooling plates 10 . The cooling plates 10 are fixedly welded to the inner edge of the casing 3 , and cooling pipes 101 are arranged inside the cooling plates 10 . A water guide ring 12 is arranged inside the end, and both ends of the rotor shaft 7 of the motor 8 extend out of the motor 8. The outer edge of the motor 8 is provided with several groups of heat conducting strips in a circular array with the axis line of the motor 8 as the center. 11. The heat-conducting strip 11 is inserted into the channel, the outer casing 3 is provided with a cooling cavity at one end away from the mounting plate 4, the cooling box 13 is provided with a cooling fan 17, and one side of the motor 8 is provided with a cooling cavity. Mounting plate 4, a cooling box 13 is fixed on one side of the casing 3, the cooling pipe 101 is communicated with the cooling box 13 through a connecting pipe, and a water pump 14 is arranged inside the cooling box 13 (in specific implementation, the cooling box 13 is in the cooling box 13). It can be filled with oil instead of water), and the water pump 14 is installed at a set of connecting pipes.

Specifically, the cooling pipe 101 is arranged in the cooling plate 10 in the form of an S-shaped disk, the water guide ring 12 is in the O-shape, and the two sides of the heat conducting strip 11 are attached to one side of the two cooling plates 10 .

Specifically, a Y-shaped fixing frame 16 is arranged in the cooling box 13 , a cooling fan 17 is rotatably arranged on the fixing frame 16 , and a protective net 18 is fixed by bolts on the side of the casing 3 away from the mounting plate 4 . One end of the rotor shaft 7 of the motor 8 is provided with a rectangular elongated plug-in rod, and the center of the cooling fan 17 is provided with a plug-in slot for the plug-in rod to be plugged into.

Specifically, the outer edge of the mounting plate 4 is provided with a plurality of sets of matching holes for installing the first fastening bolts 5 in an annular array with the center of the mounting plate 4 as the center of the circle, and the mounting plate 4 is fixed on the mounting plate 4 by the first fastening bolts 5 . On the casing 3, several groups of fixing holes for the installation of the second fastening bolts 6 are arranged in an annular array at two-thirds of the radius of the installation plate 4 with the center of the installation plate 4 as the center of the circle, and the installation plate 4 is fastened by the second The bolts 6 are fixed on the motor 8 , several sets of ventilation slots are dug between the first fastening bolts 5 and the second fastening bolts 6 , and ventilation cavities are arranged between the motor 8 and the housing 3 .

Specifically, several sets of installation grooves are opened on the top of the cooling box 13, and cooling chips 15 are arranged in the installation grooves. The model of the cooling chips 15 is TEC1-12706, and the cold surface of the cooling chips 15 is attached to the cooling box. 13 on.

Specifically, when installing the high-speed motor housing for electric vehicles, the heat-conducting strip 11 on the motor 8 is inserted into the slot, and the insertion rod at one end of the rotor shaft is inserted into the slot, and the insertion is completed. Then, the mounting plate 4 and the housing 3 are assembled through the first fastening bolts 5. After the assembly is completed, the motor 8 is installed through the mounting seat 1. The work is that when the motor 8 rotates, the cooling fan 17 is driven to rotate. During operation, the initial fan heat is carried out by air cooling. When the heat is large, the heat reaches the heat conduction strip 11 through heat conduction, and the water pump 14 is started. The water pump 14 pumps the water into the water guide ring 12 and enters the cooling pipe In step 101 , the cooling fins 15 are further cooled, so that the heat conducting strips 11 and the motor 8 are subjected to secondary water cooling and heat dissipation, and the heat dissipation effect is improved. The high-speed motor casing for electric vehicles has a reasonable design, can improve the heat dissipation effect of the motor casing, avoid problems such as excessive temperature of the motor 8, and is suitable for popularization and use.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of its technical features, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present invention.

Claims (5)

1. The utility model provides a high-speed motor casing for electric motor car, includes mount pad (1), shell (3), motor (8) and cooler bin (13), its characterized in that: the utility model discloses a bolt fixing device, including shell (3), and be provided with a plurality of groups of cooling plates (10), two cooling plates (10) are a set of, are provided with a set of channel between two cooling plates (10), cooling plate (10) fixed welding is at shell (3) inner edge, cooling plate (10) inside is provided with cooling tube (101), the inside water guide ring (12) that is provided with in both ends of shell (3), motor (8) all stretches out at rotor spindle (7) both ends of motor (8), the outer fringe of motor (8) is provided with a plurality of groups of heat conduction strip (11) as centre of a circle annular array with the axial lead of motor (8), heat conduction strip (11) are pegged graft in the channel, the one end that mounting disc (4) were kept away from in shell (3) is provided with the cooling chamber, and inside radiator fan (17) that is provided with of cooler bin (13), be provided with mounting disc (4) on one side of motor (8), be fixed with cooler bin (13) on one side of shell (3), cooling tube (101) are through connecting pipe and cooler bin (13) intercommunication, inside water pump (14) that is provided with of cooler bin (13), water pump (14) are installed in a set of connecting pipe department.

2. The high-speed motor casing for the electric vehicle according to claim 1, wherein: the cooling pipe (101) is arranged in the cooling plate (10) in an S-shaped disc mode, the water guide ring (12) is in an O shape, and the two sides of the heat guide strips (11) are attached to one side of the two cooling plates (10).

3. The high-speed motor casing for the electric vehicle according to claim 1, wherein: be provided with mount (16) of Y style of calligraphy in cooler bin (13), it is provided with radiator fan (17) to rotate on mount (16), one side that mounting disc (4) were kept away from in shell (3) is fixed with protection network (18) through the bolt, the one end of rotor spindle (7) of motor (8) is provided with the rectangular long strip inserted bar of rectangle, the center department of radiator fan (17) is provided with the inserting groove that supplies the inserted bar to peg graft.

4. The high-speed motor casing for the electric vehicle according to claim 1, wherein: the outer fringe department of mounting disc (4) uses the center of mounting disc (4) to be provided with the mating holes that a plurality of groups supplied first fastening bolt (5) installation as centre of a circle annular array, and mounting disc (4) are fixed on shell (3) through first fastening bolt (5), the two-thirds radius department of mounting disc (4) is provided with the fixed orifices that a plurality of groups supplied second fastening bolt (6) installation as centre of a circle annular array at the center of mounting disc (4), and mounting disc (4) are fixed on motor (8) through second fastening bolt (6), dig between first fastening bolt (5) and second fastening bolt (6) and be equipped with a plurality of groups ventilation groove, and be provided with the ventilation chamber between motor (8) and shell (3).

5. The high-speed motor casing for the electric vehicle according to claim 1, wherein: a plurality of groups of mounting grooves are formed in the top of the cooling box (13), refrigerating sheets (15) are arranged in the mounting grooves, and the cold surface of each refrigerating sheet (15) is attached to the cooling box (13).

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