CN212625925U

CN212625925U - 48V mixes and moves battery package for car

Info

Publication number: CN212625925U
Application number: CN202021130523.5U
Authority: CN
Inventors: 刘阳阳; 袁承超; 周鹏
Original assignee: Anhui Jianghuai Huating Battery System Co ltd
Current assignee: Anhui Jianghuai Huating Battery System Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-02-26
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a 48V mixes and moves car and uses battery package, including last casing, lower casing, inlet outlet, high-pressure joint, end plate, relay, hall sensor, fuse, low pressure joint, water-cooling board, current collector and utmost point ear. The utility model adopts the unilateral welding process, the module group size is small, the structure is compact, the material consumption is less, the working procedure is simple, and the cost is low; the inlet and outlet connecting piece of the liquid cooling system is directly connected with the liquid cooling plate, so that a middle connecting pipeline and an external inlet and outlet connecting piece are omitted, and only the sealing between the liquid cooling plate and the shell needs to be considered; the liquid cooling system solves the problem that the traditional liquid cooling system cannot be installed in a battery pack of a 48V hybrid electric vehicle. The problems that in the prior art, a liquid cooling system cannot be installed in a battery pack of a 48V hybrid electric vehicle, the used materials are large, and the cost is high are solved.

Description

48V mixes and moves battery package for car

Technical Field

The utility model belongs to mix the car field, concretely relates to 48V mixes and moves battery package for car.

Background

The battery pack related to the existing automobile is generally large, the internal space is relatively sufficient, but the battery pack of the 48V hybrid automobile is limited by the available space of the automobile, the requirement on the size is high, and therefore the volume of the battery pack needs to be reduced as much as possible. The anode and the cathode of the existing module adopt a process of welding two ends, the module group size is large, the used materials are more, and the welding procedure is complicated; the water inlet and outlet of the whole package of the existing liquid cooling system are connected with the liquid cooling plate through the pipeline, the sealing is easy to realize under the condition of sufficient space, and the liquid cooling system is not suitable for the 48V hybrid vehicle type with limited space and needs to be designed into a liquid cooling system without the pipeline.

Therefore, the module of the miniaturized battery pack of the 48V hybrid electric vehicle adopts a unilateral welding process, and the module group has small size, compact structure, less material consumption, simple working procedure and low cost; the inlet and outlet connecting piece of the liquid cooling system is directly connected with the liquid cooling plate, a middle connecting pipeline and an external inlet and outlet connecting piece are omitted, only the sealing between the liquid cooling plate and the shell needs to be considered, the design of the liquid cooling system solves the problem that the traditional liquid cooling system cannot be installed in a battery pack of a 48V hybrid vehicle, and the liquid cooling system is safe and reliable, saves materials and reduces cost.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a 48V mixes and moves car with battery package has solved among the prior art unable installation of liquid cooling system in 48V mixes the battery package of car, and the material is many, problem with high costs.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a 48V is battery package for hybrid electric vehicle, includes upper housing and lower casing, be equipped with inlet outlet and high-pressure joint on the lower casing.

The battery case is characterized in that end plates fixedly connected with the upper case and the lower case are arranged in an inner cavity defined by the upper case and the lower case, supporting rods are arranged between the end plates, and batteries are placed between the two end plates.

And a water cooling plate is arranged between the two end plates arranged in the middle of the cavity, and the water inlet and the water outlet are communicated with the water cooling plate.

The end plate is provided with a current collecting plate, and the current collecting plate is provided with a tab for being communicated with a battery.

The one end of end plate is equipped with relay, hall sensor and fuse, the below of relay and hall sensor is arranged in to the fuse, the other end of end plate is equipped with the PCB board, the lower extreme of end plate is equipped with the low pressure and connects.

The PCB is fixedly connected with the support, and the support is fixedly connected with the lower shell.

The PCB is communicated with the high-voltage connector, the relay, the Hall sensor, the fuse, the low-voltage connector and the current collecting plate through the collecting wire harness.

The utility model has the advantages that:

1. the utility model adopts the unilateral welding process, the module group size is small, the structure is compact, the material consumption is less, the working procedure is simple, and the cost is low;

2. the inlet and outlet connecting piece of the liquid cooling system of the utility model is directly connected with the liquid cooling plate, the middle connecting pipeline and the external inlet and outlet connecting piece are saved, and only the sealing between the liquid cooling plate and the shell needs to be considered;

3. the utility model discloses a liquid cooling system has solved the problem that traditional liquid cooling system can't install in 48V thoughtlessly moves the battery package of car.

Drawings

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

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic view of another overall structure of the embodiment of the present invention;

fig. 3 is a schematic diagram of the internal structure of the embodiment of the present invention;

fig. 4 is a schematic view of the internal structure of another viewing angle according to the embodiment of the present invention;

fig. 5 is an enlarged schematic view at a of fig. 4.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1 and 2, a manufacturing method of a battery pack for a 48V hybrid electric vehicle, wherein the manufactured parts comprise an upper shell 1 and a lower shell 2, and the lower shell 2 is provided with a water inlet/outlet 3 and a high-pressure joint 4.

As shown in fig. 3, end plates 5 fixedly connected with the upper casing 1 and the lower casing 2 are arranged in an internal cavity enclosed by the upper casing 1 and the lower casing 2, a support rod 6 is arranged between the end plates 5, and a battery 8 is arranged between the two end plates 5. The novel high-voltage circuit breaker is characterized in that one end of the end plate 5 is provided with a relay 7, a Hall sensor 9 and a fuse 12, the fuse 12 is arranged below the relay 7 and the Hall sensor 9, the other end of the end plate 5 is provided with a PCB 10, and the lower end of the end plate 5 is provided with a low-voltage connector 13.

As shown in fig. 4, the PCB board 10 is fixedly connected to the bracket 15, and the bracket 15 is fixedly connected to the lower housing 2. And a water cooling plate 14 is arranged between the two end plates 5 arranged in the middle of the cavity, and the water inlet and outlet 3 is communicated with the water cooling plate 14.

As can be seen from fig. 4 and 5, the end plate 5 is provided with a current collecting plate 16, and the current collecting plate 16 is provided with a tab 17 for connecting with the battery 8.

It should be noted that the PCB board 10 is connected to the high voltage connector 4, the relay 7, the hall sensor 9, the fuse 12, the low voltage connector 13, and the current collecting plate 16 through the collecting harness 11. The positive electrodes of the battery cells 8 face the upper end. The water cooling plate 14 and the water inlet and outlet 3 form a liquid cooling system, and cold water is injected into the water inlet and outlet 3 in the using process, so that the cold water flows into the water cooling plate 14 to cool the battery 8. Compare in traditional battery liquid cooling system, the utility model discloses the exit connecting piece of liquid cooling system is direct to be connected with the liquid cooling board, saves connecting tube in the middle of and the outside exit connecting piece, only need consider liquid cooling board and casing between sealed can.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A battery pack for a 48V hybrid electric vehicle comprises an upper shell (1) and a lower shell (2), and is characterized in that a water inlet and a water outlet (3) and a high-pressure joint (4) are arranged on the lower shell (2);

end plates (5) fixedly connected with the upper shell (1) and the lower shell (2) are arranged in an internal cavity defined by the upper shell (1) and the lower shell (2), a support rod (6) is arranged between the end plates (5), and a battery (8) is arranged between the two end plates (5);

a water cooling plate (14) is arranged between the two end plates (5) arranged in the middle of the cavity, and the water inlet and outlet (3) is communicated with the water cooling plate (14);

and a current collecting plate (16) is arranged on the end plate (5), and a lug (17) for being communicated with the battery (8) is arranged on the current collecting plate (16).

2. The battery pack for the 48V hybrid electric vehicle as claimed in claim 1, wherein one end of the end plate (5) is provided with a relay (7), a Hall sensor (9) and a fuse (12), the fuse (12) is arranged below the relay (7) and the Hall sensor (9), the other end of the end plate (5) is provided with a PCB (10), and the lower end of the end plate (5) is provided with a low-voltage connector (13).

3. The battery pack for the 48V hybrid electric vehicle as claimed in claim 2, wherein the PCB (10) is fixedly connected with a bracket (15), and the bracket (15) is fixedly connected with the lower shell (2).

4. The battery pack for the 48V hybrid vehicle according to claim 3, wherein the PCB (10) is connected with the high voltage connector (4), the relay (7), the Hall sensor (9), the fuse (12), the low voltage connector (13) and the current collecting plate (16) through a collecting harness (11).