CN217944896U

CN217944896U - Hybrid chassis and vehicle

Info

Publication number: CN217944896U
Application number: CN202221996094.9U
Authority: CN
Inventors: 段增旭; 王伟; 苏斯寒
Original assignee: Hunan Xingbida Netlink Technology Co Ltd
Current assignee: Hunan Xingbida Netlink Technology Co Ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-12-02
Anticipated expiration: 2032-07-29

Abstract

The utility model relates to a hybrid vehicle technical field provides a hybrid chassis and vehicle. The hybrid chassis includes: a frame; the hybrid power system comprises an engine and a motor which are arranged on a frame; the cooling system comprises an engine cooling module connected with the engine and a motor cooling module connected with the motor, wherein the engine cooling module and the motor cooling module are both arranged at the front end of the frame, and the engine cooling module and the motor cooling module are both arranged on the frame. The engine cooling module and the motor cooling module are integrally arranged at the front end of the frame, and are arranged between the two sides of the frame, so that the space at the front end of the frame can be fully utilized, the space utilization rate of the frame is improved, and the installation space at the side part of the frame is increased. Meanwhile, the air inlet grille is close to the air inlet grille, so that the natural wind can cool the cooling system conveniently, and the cooling efficiency of the cooling system is improved.

Description

Hybrid chassis and vehicle

Technical Field

The utility model relates to a hybrid vehicle technical field especially relates to a hybrid chassis and vehicle.

Background

Hybrid vehicles are usually powered by the cooperative operation of an engine and an electric machine, and both the engine and the electric machine are provided with cooling systems in order to enable the engine and the electric machine to work normally. Among them, the cooling system of the motor is usually disposed at one side of the frame, which tends to reduce the installation space at the side of the frame, resulting in interference between the components and mutual conflict. Therefore, how to solve the above-mentioned defects of the prior art in which the cooling system of the electric machine is disposed on one side of the frame is a technical problem that needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hybrid chassis and vehicle for the cooling system who solves motor among the prior art sets up in one side of frame, leads to the defect that the lateral part installation space of frame reduces, realizes the effect in the lateral part installation space of increase frame.

The utility model provides a hybrid chassis, include:

a frame;

the hybrid power system comprises an engine and a motor which are arranged on the frame;

the cooling system comprises an engine cooling module connected with the engine and a motor cooling module connected with the motor, wherein the engine cooling module and the motor cooling module are both arranged at the front end of the frame, and the engine cooling module and the motor cooling module are both arranged on the frame.

According to the utility model provides a pair of hybrid chassis, engine cooling module set up in motor cooling module top.

According to the utility model provides a hybrid chassis, the engine cooling module includes first cooler and cooling fan, first cooler is connected with the engine, first cooler sets up in the drive airflow route of cooling fan;

the motor cooling module includes a second cooler connected to the motor and disposed below the first cooler.

According to the utility model provides a pair of hybrid chassis, hybrid system set up in being close to the position of the front end of frame, and hybrid system set up in cooling system's rear.

According to the utility model provides a hybrid chassis, the hybrid system further comprises a clutch and a gearbox;

the engine, the clutch, the motor and the gearbox are sequentially connected along the direction from the front end to the rear end of the frame.

According to the utility model provides a hybrid power chassis, which also comprises a power battery, a low-voltage battery and a control module;

the power battery, the low-voltage battery and the control module are all connected with the frame, and the power battery, the low-voltage battery and the control module are all arranged on one side of the frame.

According to the utility model provides a pair of hybrid chassis, low voltage battery with control module all set up in power battery's below.

According to the utility model provides a hybrid power chassis, which also comprises a fuel tank and a urea tank;

the fuel tank with the urea case all with the frame is connected, and the fuel tank with the urea case all sets up in the frame with the relative one side of power battery.

According to the utility model provides a pair of hybrid chassis still includes the aftertreatment case, the aftertreatment case with the frame is connected, and the aftertreatment case set up in the frame is kept away from one side of fuel tank.

The utility model also provides a vehicle, include as above the hybrid chassis.

The utility model provides a hybrid chassis sets up in the front end of frame through cooling module of engine and motor and cooling module integration to engine cooling module and motor cooling module set up between the both sides of frame, and the space of the front end that can make full use of frame improves the space utilization of frame, and increases the lateral part installation space of frame. Meanwhile, the engine cooling module and the motor cooling module are arranged at the front end of the frame and close to the air inlet grille, so that natural wind entering from the air inlet grille cools the engine cooling module and the motor cooling module, and the cooling efficiency of the cooling system is improved.

Further, the utility model provides a vehicle is owing to contained hybrid chassis, has consequently just also contained all the above-mentioned advantages on hybrid chassis simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a hybrid chassis provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a cooling system provided in an embodiment of the present invention;

fig. 3 is a schematic diagram of a position relationship between the power battery, the low-voltage battery and the control module provided in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a hybrid power system provided in an embodiment of the present invention.

Reference numerals:

1. a frame;

2. a hybrid power system; 201. an engine; 202. a motor; 203. a gearbox;

3. a cooling system; 301. an engine cooling module; 302. a motor cooling module;

4. a post-processing box; 5. a power battery; 6. a low-voltage battery; 7. a control module; 8. a fuel tank; 9. a urea tank; 10. a drive shaft; 11. a drive axle.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings in the present invention will be combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

The following describes providing a hybrid chassis in an embodiment of the present invention with reference to fig. 1 to 4.

Specifically, the hybrid chassis includes a frame 1, a hybrid system 2, and a cooling system 3.

Optionally, the frame 1 includes two longitudinal beams and a plurality of cross beams, the two longitudinal beams are arranged oppositely and have a distance, and the two longitudinal beams are connected through the plurality of cross beams.

The hybrid system 2 includes an engine 201 and a motor 202, and both the engine 201 and the motor 202 are disposed on the frame 1.

The cooling system 3 comprises an engine cooling module 301 connected to the engine 201 and a motor cooling module 302 connected to the motor 202. The engine cooling module 301 and the motor cooling module 302 are both provided at the front end of the vehicle frame 1, and the engine cooling module 301 and the motor cooling module 302 are both provided on the vehicle frame 1. For example, the engine cooling module 301 and the motor cooling module 302 are both disposed between both sides of the vehicle frame 1. The two sides of the vehicle body frame 1 refer to the two sides of the vehicle when the vehicle body frame 1 is mounted on the vehicle.

Alternatively, the center of gravity of the engine cooling module 301 and the center of gravity of the motor cooling module 302 are both located between the two side rails in the width direction of the vehicle frame 1, so that the center of gravity of the engine cooling module 301 and the center of gravity of the motor cooling module 302 are both close to or both fall on the longitudinal center line of the vehicle frame 1. Therefore, the gravity center of the hybrid power chassis is located at the central position in the width direction of the hybrid power chassis, and the running stability of the vehicle is improved.

The embodiment of the utility model provides a hybrid chassis sets up in the front end of frame 1 through cooling module 301 with the engine and motor cooling module 302 is integrated to cooling module 301 with the motor and cooling module 302 sets up between the both sides of frame 1, the space of the front end that can make full use of frame 1 improves the space utilization of frame 1, and increases the lateral part installation space of frame 1. Meanwhile, the engine cooling module 301 and the motor cooling module 302 are disposed at the front end of the frame 1, near the intake grill, so that the engine cooling module 301 and the motor cooling module 302 are cooled by natural wind entering from the intake grill, thereby improving the cooling efficiency of the cooling system 3.

In some embodiments provided herein, the engine cooling module 301 is disposed above the electric machine cooling module 302. Compared with the flat arrangement, the engine cooling module 301 and the motor cooling module 302 are arranged in a vertically stacked manner, so that the space utilization rate of the frame 1 can be improved, and the engine cooling module 301 and the motor cooling module 302 can both receive the action of natural wind entering from an air inlet grille.

In some embodiments provided herein, the engine cooling module 301 includes a first cooler and a cooling fan. The first cooler is connected to the engine 201, and is disposed on a drive airflow path of the cooling fan. It should be noted that the connection manner of the first cooler and the engine 201 belongs to the prior art, and is not described herein again. The coolant absorbs heat from the engine 201 and enters the first cooler to cool down, so that the effect of transferring heat of the engine 201 to cool down the engine 201 is achieved. The cooling fluid includes, but is not limited to, water.

The motor cooling module 302 includes a second cooler that is connected to the motor 202 and is disposed below the first cooler. It should be noted that the connection manner between the second cooler and the motor 202 belongs to the prior art, and is not described herein again. The cooling liquid absorbs heat from the motor 202 and enters the second cooler to cool down, so as to achieve the effect of transferring heat of the motor 202 to cool down the motor 202. The cooling fluid includes, but is not limited to, water.

The first cooler and the second cooler are arranged in a stacked manner and can be simultaneously acted by natural wind entering from the air inlet grille. Meanwhile, because the temperature of the engine 201 is high, the first cooler can be cooled by adopting a cooling mode of matching natural wind with a fan, and the second cooler can be cooled by adopting a cooling mode of natural wind because the temperature of the motor 202 is relatively low. Thus, on the one hand, the installation space on the vehicle frame 1 can be saved, the degree of integration of the motor cooling module 302 and the engine cooling module 301 can be improved, and on the other hand, the manufacturing cost and the use cost of the vehicle can be saved.

In some embodiments provided herein, the hybrid system 2 is disposed at a position near the front end of the frame 1, and the hybrid system 2 is disposed behind the cooling system 3.

So set up, hybrid system 2 is closer to cooling system 3 to can make cooling line's length shorter, the arrangement of the cooling line of being convenient for can improve the cooling effect to hybrid system 2 simultaneously.

Referring to fig. 4, in some embodiments provided by the present disclosure, hybrid powertrain 2 further includes a clutch and transmission 203.

Along the direction from the front end to the rear end of the frame 1, the engine 201, the clutch, the motor 202 and the gearbox 203 are connected in sequence. That is, the hybrid system 2 employs a P2 hybrid configuration of the prior art.

Further, the hybrid system 2 is disposed between both sides of the frame 1. Specifically, the hybrid power system 2 is arranged between two longitudinal beams of the frame 1, so that the gravity center of the hybrid power system 2 can be close to the longitudinal center line of the frame 1 or fall on the longitudinal center line of the frame 1, and the stability of the vehicle in the running process is improved.

Further, in order to save the installation space, the engine 201, the clutch, the motor 202, and the transmission 203 may be integrally provided.

In some embodiments provided herein, the hybrid chassis further comprises a propeller shaft 10 and a drive axle 11. Wherein, the drive axle 11 is arranged at the rear end of the frame 1. The output shaft of the motor 202 is connected to the transaxle 11 through the propeller shaft 10.

Referring to fig. 3, in some embodiments provided by the present invention, the hybrid vehicle further includes a power battery 5, a low voltage battery 6 and a control module 7. Alternatively, the control module 7 may be a motor controller, but of course, the control module 7 may also integrate a DCDC control module and an air conditioner output control module.

The power battery 5, the low-voltage battery 6 and the control module 7 are all connected with the frame 1, and the power battery 5, the low-voltage battery 6 and the control module 7 are all arranged on one side of the frame 1.

The power battery 5, the low-voltage battery 6 and the control module 7 are arranged on the same side of the frame 1, so that the maintenance is facilitated.

In some embodiments provided by the present invention, the low voltage battery 6 and the control module 7 are both disposed below the power battery 5.

The form of setting up to range upon range of setting up can improve the utilization ratio to frame 1 installation space on the one hand, and on the other hand, because power battery 5's weight and volume are great, set up power battery 5 in the top of low-voltage battery 6 and control module 7, be convenient for install and dismantle power battery 5.

In some embodiments provided by the present disclosure, the hybrid chassis further comprises a fuel tank 8 and a urea tank 9.

The fuel tank 8 and the urea tank 9 are both connected with the frame 1, and the fuel tank 8 and the urea tank 9 are both arranged on the side of the frame 1 opposite to the power battery 5.

By integrating the power battery 5, the low-voltage battery 6 and the control module 7 on one side of the frame 1 and arranging the fuel tank 8 and the urea tank 9 on the other side of the frame 1, the interference of the power battery 5 on the fuel tank 8 can be avoided, and the hybrid chassis can be provided with the fuel tank 8 with larger volume. For example, the volume of the fuel tank 8 may be 700L. Meanwhile, the power battery 5 and the fuel tank 8 are distributed on two sides of the frame 1 to be balanced with each other, so that the gravity center of the hybrid power chassis is close to or falls on the longitudinal center line of the frame 1, and the running stability of the vehicle is guaranteed.

Further, a fuel tank 8 and a urea tank 9 are provided on the left side of the frame 1, and a power battery 5, a low-voltage battery 6, and a control module 7 are provided on the right side of the frame 1. The left side of the vehicle frame 1 refers to the left side of the vehicle when the vehicle frame 1 is mounted on the vehicle, and the right side of the vehicle frame 1 refers to the right side of the vehicle when the vehicle frame 1 is mounted on the vehicle. So set up, make things convenient for the driver to open fuel tank 8 and annotate the fuel.

Further, the fuel tank 8 is near the front end of the frame 1. So set up, when can avoid the vehicle to be connected with the trailer, the trailer causes the hindrance to refueling operation.

The utility model provides an in some embodiments, hybrid chassis still includes aftertreatment case 4, and aftertreatment case 4 is connected with frame 1 to aftertreatment case 4 sets up in one side that fuel tank 8 was kept away from to frame 1. The aftertreatment case 4 can treat exhaust gas of the engine 201.

Further, an aftertreatment tank 4 is provided near the front end of the frame 1. Thus, the aftertreatment box 4 is closer to the engine 201, so that the length of a connecting pipeline between the aftertreatment box 4 and the engine 201 is shortened, and the arrangement of the connecting pipeline is convenient.

Alternatively, the power battery 5, the low-voltage battery 6, the control module 7, the fuel tank 8, the urea tank 9 and the aftertreatment tank 4 may all be mounted to the frame 1 by respective brackets.

The embodiment of the utility model provides an in still provide a vehicle.

In particular, the vehicle comprises a hybrid chassis as described above.

It should be noted that the vehicle includes the hybrid chassis and also includes all the advantages of the hybrid chassis, and the description thereof is omitted.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A hybrid chassis, comprising:

a frame (1);

a hybrid system (2) including an engine (201) and a motor (202) provided to the vehicle frame (1);

the cooling system (3) comprises an engine cooling module (301) connected with the engine (201) and a motor cooling module (302) connected with the motor (202), wherein the engine cooling module (301) and the motor cooling module (302) are both arranged at the front end of the frame (1), and the engine cooling module (301) and the motor cooling module (302) are both arranged on the frame (1).

2. Hybrid vehicle chassis according to claim 1, characterised in that the engine cooling module (301) is arranged above the electric machine cooling module (302).

3. A hybrid chassis according to claim 2, wherein the engine cooling module (301) comprises a first cooler connected to the engine (201) and a cooling fan, the first cooler being arranged in a driving airflow path of the cooling fan;

the electric machine cooling module (302) comprises a second cooler, which is connected to the electric machine (202) and which is arranged below the first cooler.

4. Hybrid chassis according to any of claims 1 to 3, characterised in that the hybrid system (2) is arranged close to the front end of the frame (1) and that the hybrid system (2) is arranged behind the cooling system (3).

5. Hybrid chassis according to any of claims 1 to 3, characterised in that the hybrid system (2) further comprises a clutch and gearbox (203);

along the direction from the front end to the rear end of the frame (1), the engine (201), the clutch, the motor (202) and the gearbox (203) are connected in sequence.

6. Hybrid chassis according to any of claims 1 to 3, characterized in that it further comprises a power battery (5), a low-voltage battery (6) and a control module (7);

the power battery (5), the low-voltage battery (6) and the control module (7) are all connected with the frame (1), and the power battery (5), the low-voltage battery (6) and the control module (7) are all arranged on one side of the frame (1).

7. Hybrid vehicle chassis according to claim 6, characterised in that the low-voltage battery (6) and the control module (7) are both arranged below the power battery (5).

8. Hybrid chassis according to claim 6, characterized in that it further comprises a fuel tank (8) and a urea tank (9);

the fuel tank (8) and the urea box (9) are connected with the frame (1), and the fuel tank (8) and the urea box (9) are arranged on one side of the frame (1) opposite to the power battery (5).

9. Hybrid chassis according to claim 8, further comprising an aftertreatment tank (4), said aftertreatment tank (4) being connected to said frame (1) and said aftertreatment tank (4) being arranged on a side of said frame (1) remote from said fuel tank (8).

10. A vehicle comprising a hybrid chassis according to any of claims 1-9.