CN212676373U

CN212676373U - Lithium ion power supply device for driving power generation system and vehicle

Info

Publication number: CN212676373U
Application number: CN202021678929.7U
Authority: CN
Inventors: 惠怀兵; 乐圳; 黄逍遥; 王清森; 余云; 王玉姣
Original assignee: Dongfeng Off Road Vehicle Co Ltd
Current assignee: Dongfeng Off Road Vehicle Co Ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-03-09
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a driving is lithium ion power supply unit and vehicle for power generation system, it includes the box, with the box sealed complex upper cover, install battery module and the control module in the box, the casting shaping has in the box to be used for along horizontal X to spacing with Y battery module's battery module draw-in groove, be connected with on the box and be used for along vertical Z to spacing battery module's control panel installing support. The utility model overcomes the relatively poor, the thermal and relatively poor problem of shock resistance of battery monomer security performance that prior art exists provides a driving electricity generation energy memory can effectively improve heat dissipation and shock resistance performance.

Description

Lithium ion power supply device for driving power generation system and vehicle

Technical Field

The utility model relates to a lithium ion power supply device and vehicle belongs to the power technical field for the car, concretely relates to lithium ion power supply device and vehicle for driving power generation system.

Background

Along with the requirement of the degree of motorization of special vehicles, the power demand of a vehicle-mounted weapon system is gradually increased, but because the power generation capacity of the whole vehicle power generation system is insufficient in a low-speed section or the power interruption in a short time cannot provide high-power continuous power supply capacity under the working conditions of idling, gear shifting, parking and the like, a group of energy storage devices are required to be added to adjust the whole vehicle power supply system.

The super capacitor, the lithium ion battery and the low-voltage lead-acid battery can be used as energy storage devices through the technical schemes of DC/DC boosting and the like, but the super capacitor cannot meet the requirements of high power, long-time discharge and long-time power compensation under the idling working condition due to too low specific energy; the low-voltage lead-acid battery DC/DC boosting volume and weight are large, and the lead-acid battery cannot meet the continuous high-power supply requirement of upper equipment; the lithium ion battery has high specific energy and high specific power, and can well meet the technical requirements of energy storage devices.

However, the lithium ion battery is an oily system, so that new energy vehicles of civil use have fire and explosion accidents, and in order to ensure safe use, the lithium ion battery not only needs to have high safety of a single battery, but also needs to have good waterproof and sealing performances, and has certain requirements on heat dissipation and shockproof functions of the battery.

The utility model discloses a lithium battery module and lithium cell device are disclosed in chinese utility model CN 209544441U's the specification, the lithium cell module includes the module box, establish the electric core in the module box, establish the location division board on electric core, establish the upper cover plate that closes in location division board top and with module box lid, the electric core top is equipped with a plurality of electric core utmost point posts, be equipped with on the location division board with the first through-hole of electric core utmost point post complex, be equipped with a plurality of transition pieces on the first through-hole, electric core utmost point post passes first through-hole and transition piece fixed connection, the utility model discloses an in being fixed in the module box with the battery core, there is following defect with the technical scheme of die box group interval in being fixed in the outer: 1. the structure is not compact, and the space utilization rate is low; 2. the positioning of the battery cell by using the positioning isolation plate is not beneficial to heat exchange between the battery cell and the outside.

Disclosure of Invention

For solving the technical problem, the utility model discloses a such lithium ion power supply device and vehicle for driving power generation system, it overcomes the relatively poor, the thermal and relatively poor problem of shock resistance of battery monomer security performance that prior art exists, provides a driving electricity generation energy memory that can effectively improve heat dissipation and shock resistance performance.

The invention discloses a lithium ion power supply device for a travelling crane power generation system, which comprises a box body, an upper cover in sealing fit with the box body, a battery module and a control module, wherein the battery module and the control module are arranged in the box body, battery module clamping grooves used for limiting the battery module along the horizontal X direction and the Y direction are formed in the box body in a casting mode, and a control panel mounting support used for limiting the battery module along the vertical Z direction is connected to the box body.

In a preferred embodiment of the present invention, the horizontal XY cross-sectional shape of the battery module slot corresponds to the horizontal XY cross-sectional shape of the battery module.

In a preferred embodiment of the present invention, the bottom surface or/and the side surface of the box body is provided with a grille for heat dissipation.

The utility model discloses an in the preferred embodiment, be provided with first flanging on the box, cover on and be provided with the second flanging, first flanging with correspond on the second flanging and be provided with the metal screw hole that is used for realizing both interconnect.

In a preferred embodiment of the present invention, an O-ring is disposed between the first flange and the second flange.

In a preferred embodiment of the present invention, the upper cover is provided with a grille for heat dissipation.

In a preferred embodiment of the present invention, a control module is disposed between the upper cover and the control panel mounting bracket.

In a preferred embodiment of the present invention, the housing is formed with a slot for mounting the relay therein.

In a preferred embodiment of the present invention, the battery module is formed by connecting a plurality of unit batteries in series by aluminum sheet welding.

In a preferred embodiment of the present invention, one side of the box body is provided with a positive electrode connector, a negative electrode connector, a communication interface, a maintenance communication interface and a maintenance switch.

In a preferred embodiment of the present invention, the box body and the upper cover are made of cast aluminum.

The utility model also discloses a vehicle, it includes that driving is lithium ion power supply unit for the power generation system.

The utility model has the advantages that: the utility model discloses simple structure, convenient to use, stability are high, good heat dissipation, it has realized battery module and box direct fixation through casting shaping battery module draw-in groove cooperation control panel installing support in the box, arranges compacter, and space utilization is higher, and the box draw-in groove adopts integrated into one piece technique, and intensity is better, and the displacement is littleer, and is reliable higher; meanwhile, the utility model has the advantages that,

1. the utility model relates to a driving is group battery among lithium ion power supply device for power generation system installs in the box draw-in groove, adopts the integrated into one piece structure, guarantees the protectiveness, and upper portion covers has the control panel installing support, and the draw-in groove can effectively prevent that the battery from carrying the box and removing with the cooperation of control panel installing support for the device has good shock resistance. Therefore, the utility model discloses have good shock resistance.

2. The utility model relates to a bottom surface and the bottom of side, upper cover of box all are provided with the grid among the lithium ion power supply device for driving power generation system, and this grid can make the box form inside circulation passageway with the heat drainage of high-temperature region to the low temperature district in the box to the inside temperature of box is carried to balanced battery. Therefore, the utility model discloses heat dispersion has further been improved.

3. The utility model relates to a box has the turn-ups among lithium ion power supply device for driving power generation system, and this dysmorphism structure makes the device and other parts can be better match, effectively saves space, and box, upper cover material all adopt cast aluminium, can show the total mass of reducing mechanism under the condition that keeps intensity, realizes starting power supply's lightweight. Therefore, the utility model discloses not only be favorable to saving space, realized starting power supply's lightweight moreover.

Drawings

Fig. 1 is an exploded view of a lithium ion power supply device for a driving power generation system according to the present invention;

fig. 2 is a top view of the lithium ion power supply device for the driving power generation system of the present invention;

fig. 3 is a schematic diagram of internal components of a box of a lithium ion power supply device for a traveling crane power generation system according to the present invention;

fig. 4 is a top view of a box of a lithium ion power supply device for a driving power generation system of the present invention;

in the figure: the battery pack comprises a box body 1, an upper cover 2, a box body grid 3, a connecting threaded hole 4, a control panel mounting support mounting hole 5, a relay mounting clamping groove 6, a battery module clamping groove 7, an O-shaped ring mounting clamping groove 8, an upper cover grid 10, a battery module 11, a control panel mounting support 12, an O-shaped sealing ring 13, a control module 14, a first flanging 15 and a second flanging 16.

Detailed Description

The technical solutions of the present invention (including the preferred ones) are described in further detail below by means of fig. 1 to 4 and enumerating some alternative embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

The invention discloses a lithium ion power supply device for a travelling crane power generation system, which comprises a box body 1, an upper cover 2 hermetically matched with the box body, a battery module 11 and a control module 14, wherein the battery module 11 and the control module 14 are arranged in the box body 1, a battery module clamping groove 7 for limiting the battery module along the horizontal X direction and the Y direction is formed in the box body 1 in a casting mode, and a control panel mounting bracket 12 for limiting the battery module along the vertical Z direction is connected to the box body.

Preferably, the horizontal XY cross-sectional shape of the battery module card slot 6 corresponds to the horizontal XY cross-sectional shape of the battery module 11.

Preferably, the bottom surface or/and the side surface of the case 1 is provided with a case grill 3 for dissipating heat.

Preferably, the box body 1 is provided with a first flanging 15, the upper cover 2 is provided with a second flanging 16, and the first flanging 15 and the second flanging 16 are correspondingly provided with metal threaded holes for realizing the mutual connection of the two.

Preferably, an O-ring seal is provided between the first and

second flanges

15, 16.

Preferably, an upper cover grid 10 for heat dissipation is provided on the upper cover 2.

Preferably, a control module 14 is disposed between the upper cover 2 and the control panel mounting bracket 12.

Preferably, a relay mounting clamping groove 6 is formed in the box body 1 in a casting mode, and the relay mounting clamping groove 6 and the battery module clamping groove 7 are separated through a cast wall face.

Preferably, the battery module 11 is formed by welding a plurality of unit batteries in series through aluminum sheets.

Preferably, one side of the box body 1 is provided with a positive electrode connector, a negative electrode connector, a communication interface for maintenance and a maintenance switch.

In a preferred embodiment of the present invention, the box body 1 and the upper cover 2 are made of cast aluminum.

Preferably, the lithium ion power supply device comprises a lithium ion power supply device for a travelling crane power generation system.

Specifically, the present invention is further explained with reference to fig. 1 to 4, and the present invention provides a lithium ion power source device for a traveling crane power generation system, which comprises a box 1, an upper cover 2 hermetically fitted with the box 1, and a battery module 11 located in a battery module slot 7 of the box 1, wherein a control panel mounting bracket 12 is mounted on the upper portion of the battery module 11, a control module 44 is mounted on the control panel mounting bracket 12, the battery module 11 is placed in the battery module slot 7, and the degree of freedom of the battery pack in the horizontal X direction and the Y direction is zero, the upper portion of the battery module 11 is covered with a control panel mounting bracket 12, and the degree of freedom of the battery module 11 in the vertical Z direction is zero, and the control panel mounting bracket 12 is fixed on the box 1 by screws and provides a mounting position and a fixing hole site for the control;

the bottom surface and the side surface of the box body 1 are provided with a box body grid 3, and the bottom of the upper cover 2 is provided with an upper cover grid 10.

The box 1 is provided with first flanging 15 for the top, first flanging 15 is rather than the wall stroke L shape structure of circumference, there is O type circle draw-in groove 8 inboard, the bottom of upper cover 2 is provided with first flanging 15 complex second turn-ups 16, adopt O type circle 13 sealed between the top inboard of this box 1 and the upper cover 2, be provided with on first flanging 15 and the second turn-ups 16 along the even interval arrangement's of its circumference connecting thread hole 4, connecting thread hole 4 all adopts the metal screw thread, can play the effect of intensive connection.

And a positive wiring terminal, a negative wiring terminal, a maintenance switch, a communication interface and a communication interface for maintenance are arranged on one side of the box body 1. The box body 1 and the upper cover 2 are made of cast aluminum.

The principle of the utility model is explained as follows:

the utility model provides a starting power supply device has good waterproof, dustproof, heat dissipation and shockproof function, has compensatied the defect of lithium ion battery starting power supply in the use, helps advancing the application of lithium ion battery starting power supply on the car.

In the battery module 11, a total of 132 single batteries are welded and connected in series through aluminum sheets to form a battery pack, and a voltage sensor is welded on a lug of each single battery; the battery pack is arranged in the battery pack mounting clamping groove of the box body. The relay is arranged in the relay mounting clamping groove of the box body and is fixed through a bolt, and the relay A1 column is positively connected with the battery pack through an aluminum sheet.

Use the utility model discloses often, will just, negative pole high-voltage line interface insert the mounting hole that corresponds on one side of the box to through the screw-up. And inserting the maintenance switch into the corresponding mounting hole on the same side, and fastening through the nut. And the communication interface for maintenance are respectively inserted into the corresponding mounting holes above the maintenance switch and are fastened by screws. Connecting a relay A2 column with a copper sheet of a positive wiring port through an aluminum sheet and fastening the relay A2 column through a bolt and a nut; and connecting the negative electrode of the battery pack with the copper sheet of the negative electrode wiring port by using an aluminum sheet, and fastening by using bolts and nuts. And arranging the control panel mounting bracket above the battery pack in the box body, and fixing the control panel mounting bracket on the box body by using screws. The slave control module is connected with the T-shaped bulge through the T-shaped clamping groove to form a whole, and then fixed on the control panel mounting bracket through screws. And inserting the T-shaped bulge of the master control module into the T-shaped groove of the slave control module, and installing the T-shaped bulge on the control panel installation support through a bolt. And the circuits on the sensor, the communication switch, the relay, the maintenance switch, the slave control module and the master control module are well plugged. And arranging the O-shaped sealing ring in the groove of the sealing ring of the box body, closing the upper cover and fastening by bolts at the periphery.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and any modification, combination, replacement, or improvement made within the spirit and principle of the present invention is included in the scope of the present invention.

Claims

1. The utility model provides a lithium ion power supply device for driving power generation system, includes the box, with box seal complex upper cover, install battery module and the control module in the box, its characterized in that: the battery module box is characterized in that a battery module clamping groove used for limiting the battery module along the horizontal X direction and the Y direction is formed in the box body in a casting mode, and a control panel mounting support used for limiting the battery module along the vertical Z direction is connected to the box body.

2. The lithium ion power supply device for a traveling crane power generation system according to claim 1, characterized in that: the horizontal XY cross-sectional shape of the battery module clamping groove corresponds to the horizontal XY cross-sectional shape of the battery module.

3. The lithium ion power supply device for a traveling crane power generation system according to claim 1, characterized in that: and the bottom surface or/and the side surface of the box body is/are provided with a grid for heat dissipation.

4. The lithium ion power supply device for a traveling crane power generation system according to claim 1, characterized in that: the box body is provided with a first flanging, the upper cover is provided with a second flanging, and the first flanging and the second flanging are correspondingly provided with metal threaded holes for realizing the mutual connection of the first flanging and the second flanging.

5. The lithium ion power supply device for a traveling crane power generation system according to claim 4, characterized in that: an O-shaped sealing ring is arranged between the first flanging and the second flanging.

6. The lithium ion power supply device for a traveling crane power generation system according to claim 1, characterized in that: the upper cover is provided with a grid for heat dissipation.

7. The lithium ion power supply device for a traveling crane power generation system according to claim 1, characterized in that: and a control module is arranged between the upper cover and the control panel mounting bracket.

8. The lithium ion power supply device for a traveling crane power generation system according to claim 1, characterized in that: and a relay mounting clamping groove is formed in the box body in a casting mode.

9. The lithium ion power supply device for a traveling crane power generation system according to claim 1, characterized in that: the battery module is formed by welding and connecting a plurality of single batteries in series through aluminum sheets.

10. A vehicle, characterized in that: the lithium ion power supply device for the travelling crane power generation system comprises the lithium ion power supply device as claimed in any one of claims 1 to 9.