CN218182309U

CN218182309U - Two position water-cooling boards of formula blade battery are initiatively adjusted to multistage

Info

Publication number: CN218182309U
Application number: CN202221665824.7U
Authority: CN
Inventors: 张劼; 姚筱霏
Original assignee: Jiangsu Vocational College of Information Technology
Current assignee: Jiangsu Vocational College of Information Technology
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-12-30
Anticipated expiration: 2032-06-29

Abstract

The utility model relates to a two position water-cooling boards of multistage active adjustment formula blade battery, including top cold drawing, top cold drawing top is equipped with the apron, top cold drawing both sides are equipped with symmetrical location cardboard, be equipped with a plurality of independent water courses on the cold drawing of top, a plurality of independent water courses skew one by one, each independent water course has independent water inlet and delivery port, and the adjacent water course business turn over water direction designs into to be handed over the staggered arrangement, top cold drawing bottom welding has a plurality of side cold drawing, and install blade electricity core between side cold drawing and the side cold drawing, a plurality of side cold drawing both sides are equipped with the shrouding, the shrouding is installed at top cold drawing both ends, shrouding one side is equipped with and installs flow control mechanism, flow control mechanism communicates water inlet and delivery port through the rubber hose, flow control mechanism bottom electric connection power supply module; the problems that the position of heat exchange is unreasonable, and the effect and the efficiency of heat exchange are poor are solved; the unbalance of temperature can lead to the difference to appear in the charge-discharge performance and the life-span of different position electric cores, reduces the problem of whole battery package performance.

Description

Two position water-cooling boards of formula blade battery are initiatively adjusted to multistage

Technical Field

The utility model belongs to new energy automobile battery field, concretely relates to formula blade battery two position water-cooling board is adjusted to multistage initiative.

Background

At present, new energy automobiles are rapidly popularized and popularized, and power batteries for automobiles are continuously developed. Blade battery (electric core) configuration self can regard as the bearing member, and the inside arrangement of electric core and the arrangement between electric core and the electric core can all become inseparabler simultaneously, makes battery package energy density obtain further improvement, has also reduced the volume and the weight of whole battery package cladding piece and structure simultaneously, all has important meaning to promoting new energy automobile continuation of the journey mileage and lightweight.

The effectiveness of thermal management is very important in the case of a tightly packed bladed cell. Particularly, ternary lithium batteries have weaker high temperature resistance, are prone to accidents such as combustion and explosion at high temperature, and need to be provided with more excellent heat management devices.

The heat management of the battery needs to realize cooling and heat dissipation at high temperature in summer and heat preservation and heating in winter, so that the temperature of the battery is kept at 20-25 ℃, and the performance, the service life and the safety of the battery are maximally guaranteed. The existing widely used is a water-cooled heat management device, which utilizes cooling liquid and a corresponding circulating device to take away the redundant heat of the battery (heating the cooling liquid in winter to realize temperature rise and heat preservation).

Most water-cooled thermal management devices are provided with a water-cooled plate at the top or bottom of the battery pack, and the temperature control is achieved by using a cooling liquid. For high density arrangement of bladed cells, this thermal management device suffers from the following disadvantages:

1. only the top or the bottom of the blade battery can be subjected to heat exchange, and the side surface of the blade battery has the largest area, so that the position of the heat exchange is unreasonable, the effect and the efficiency of the heat exchange are poor, and in order to ensure the effectiveness of the heat management, only the flow of the cooling liquid can be increased or the arrangement compactness of the battery cells can be reduced, and the performance level and the energy density of the whole battery pack are actually reduced.

2. The coolant liquid flows to the opposite side from water-cooling board one side, and the heat exchange obviously can appear the unbalance nature, leads to head electric core heat transfer many and afterbody electric core heat transfer less partially, and the unbalance of temperature can lead to the difference to appear in the charge-discharge performance and the life-span of different position electric cores, accumulates down the performance that will reduce whole battery package for a long time, causes the incident even.

3. The blade electric cores arranged in the middle position are concentrated in space, heat is generated and accumulated, so that the temperature of the battery pack is higher in the central area, the water channel and the flow direction of the water cooling plate are fixed, active adjustment cannot be achieved, and the overall temperature of the battery pack is unbalanced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multi-section active adjustment type blade battery two-position water cooling plate, which solves the problems that the position of heat exchange is unreasonable and the effect and efficiency of heat exchange are poor; the unbalance of temperature can lead to the difference to appear in the charge-discharge performance and the life-span of different position electric cores, reduces the problem of whole battery package performance.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a pair of formula blade battery two position water-cooling board is initiatively adjusted to multistage, top cold drawing top is equipped with the apron, top cold drawing both sides are equipped with the location cardboard of symmetry, be equipped with a plurality of independent water courses on the cold drawing on the top, a plurality of independent water courses skew one by one, and every independent water course all has independent water inlet and delivery port, the water inlet sets up in top cold drawing one end with the delivery port, and adjacent water course business turn over water direction designs into crisscross arrangement, top cold drawing bottom welding has a plurality of side cold drawing, the side cold drawing is linear arrangement, and installs blade electricity core between side cold drawing and the side cold drawing, a plurality of side cold drawing both sides are equipped with the shrouding, the shrouding is installed at top cold drawing both ends, shrouding one side is equipped with installs flow control mechanism, flow control mechanism passes through rubber hose intercommunication water inlet and delivery port, flow control mechanism bottom electric connection power supply module, the drain pan is installed to top cold drawing bottom, battery package main frame is installed in the drain pan outside, the location fastening is in battery package main frame lateral wall, the mounting panel is installed to battery package.

As a further technical scheme of the utility model, both ends all are equipped with the pressure release hole of symmetry on the apron, and set up a plurality of pressure release holes in delivery port and water inlet direction.

As a further technical scheme of the utility model, all be equipped with a plurality of small runners in every independent water course on the cold drawing board of top, the both ends of every small runner baffle are equipped with the fillet of converging, and are equipped with the mounting hole that matches with the side cold drawing top in every small runner, top cold drawing top central authorities are equipped with one row and subtract heavy groove.

As a further technical scheme of the utility model, a plurality of side cold drawing tops all are equipped with the mouth of a mouth organ mouth, and every side cold drawing all presss from both sides between two adjacent blade electricity cores, top cold drawing and every blade electricity core top surface contact, and all contact surfaces use heat conduction insulation structure glue to bond.

As a further technical scheme of the utility model, flow control mechanism includes integrated valve island controller, integrated valve island controller both ends intercommunication has a plurality of flexible rubber hose, a plurality of flexible rubber hose one end UNICOM water inlet and delivery port, integrated valve island controller one end is equipped with a set of business turn over water fast plug.

As a further technical scheme of the utility model, power supply module includes the cable conductor, the integrated valve island controller of cable conductor one end electric connection, other end electric connection are in integrated outer plug, integrated outer plug is installed in battery package main frame one side.

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

1. the heat exchange area of the blade battery cell is increased, the heat exchange efficiency is improved, and the heat exchange area of the cell in the example is increased to 49.53% from 5.08% of the traditional top water-cooling plate.

2. The water inlet and outlet of the adjacent independent water channels of the top cooling plate are staggered, and the water inlet and outlet directions of the related side plates are also staggered, so that the cold and hot balanced layout of the passive layer surface is realized.

3. The mode of independent active adjustment of multistage is adopted, the uniformity of temperature of the battery pack is obviously improved, and the temperature difference of each battery cell can be controlled in a minimum range. The method also has great balancing regulation capability on the active layer, and the heat management level is obviously improved; and the electronic control adjustment is adopted, so that the response speed is high and the application range is wide.

4. The battery core application or the battery pack layout with higher energy density is realized, and the charge and discharge performance, the service life and the safety of the battery are ensured.

Drawings

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

FIG. 2 is an internal structure view of the present invention;

FIG. 3 is an exploded view of the water cooling plate assembly of the present invention;

FIG. 4 is an installation view of the water cooled plate assembly of the present invention;

figure 5 is a partial cross-sectional view of figure 4 of the present invention;

fig. 6 is an enlarged view of a portion of fig. 3 according to the present invention;

fig. 7 is a top view of the top cold plate of the present invention;

in the figure, 1, a cover plate; 101. a pressure relief vent; 2. a top cold plate; 201. positioning a clamping plate; 202. an independent water channel; 203. mounting holes; 204. a confluence fillet; 205. a weight reduction groove; 3. a water inlet; 4. a water outlet; 5. a side cooling plate; 501. a mouth of the harmonica; 6. closing the plate; 7. a rubber hose; 8. a cable wire; 9. an integrated valve island controller; 10. a water inlet and outlet quick plug; 11. integrating an outer plug; 12. a battery pack main frame; 121. mounting a plate; 13. heat-conducting insulating structural adhesive; 14. a blade cell; 15. and a bottom shell.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1 to 7, the multi-stage active adjustment type blade battery two-position water cooling plate provided by the present invention comprises a top cooling plate 2, a cover plate 1 is arranged on the top of the top cooling plate 2, symmetrical pressure release holes 101 are arranged at both ends of the cover plate 1, and a plurality of pressure release holes 101 are arranged in the direction of a water outlet 4 and a water inlet 3; the two sides of the top cold plate 2 are provided with symmetrical positioning clamping plates 201, the top cold plate 2 is provided with a plurality of independent water channels 202, the independent water channels 202 are offset one by one, each independent water channel 202 is provided with an independent water inlet 3 and an independent water outlet 4, the water inlets 3 and the water outlets 4 are arranged at one end of the top cold plate 2, and the water inlet and outlet directions of adjacent water channels are designed to be staggered, so that the temperature of the whole top cold plate is balanced; a plurality of small flow channels are arranged in each independent water channel 202 on the top cooling plate 2, convergence fillets 204 are arranged at two ends of each small flow channel partition plate, a mounting hole 203 matched with the top of the side cooling plate 5 is arranged in each small flow channel, and a row of weight reduction grooves 205 are formed in the center of the top cooling plate 2; the bottom of the top cooling plate 2 is welded with a plurality of side cooling plates 5, the side cooling plates 5 are arranged linearly, blade cells 14 are arranged between the side cooling plates 5 and the side cooling plates 5, mouth organ pipe openings 501 are formed in the tops of the side cooling plates 5, each side cooling plate 5 is clamped between two adjacent blade cells 14, the top cooling plate 2 is in contact with the top surface of each blade cell 14, and all contact surfaces are bonded by heat-conducting insulating structural adhesive 13; sealing plates 6 are arranged on two sides of the side cooling plates 5, the sealing plates 6 are arranged on two ends of the top cooling plate 2, a flow control mechanism is arranged on one side of each sealing plate 6 and is communicated with a water inlet 3 and a water outlet 4 through rubber hoses 7, each flow control mechanism comprises an integrated valve island controller 9, two ends of each integrated valve island controller 9 are communicated with a plurality of rubber hoses 7, one ends of the rubber hoses 7 are communicated with the water inlet 3 and the water outlet 4, and one end of each integrated valve island controller 9 is provided with a group of water inlet and outlet quick plugs 10; the bottom of the integrated valve island controller 9 is electrically connected with a power supply assembly, the power supply assembly comprises a cable 8, one end of the cable 8 is electrically connected with the integrated valve island controller 9, the other end of the cable 8 is electrically connected with an integrated outer plug 11, and the integrated outer plug 11 is installed on one side of a main frame 12 of the battery pack; bottom shell 15 is installed to top cold drawing 2 bottom, and battery package main frame 12 is installed to the bottom shell 15 outside, and the fastening of location cardboard 201 is in battery package main frame 12, and mounting panel 121 is installed to battery package main frame 12 lateral wall.

As shown in fig. 6-7, taking one of the independent water channels 202 as an example, the cooling liquid flows in from the water inlet, and is divided into more small flow channels by the more detailed water-dividing partition plate after turning 90 °, the bottom of the end of each small flow channel is provided with an opening, the cooling liquid enters a plurality of side cooling plates 5 below from the opening, the top of the side cooling plate 5 below is provided with harmonica pipe orifices 501, that is, the flat pipe is divided into a plurality of flow channels by the partition plate, which is beneficial to avoiding turbulence phenomenon of a single wide opening, smoothening the water flow, and increasing the strength of the structure; after circulating for a circle in the side cooling plate 5, the cooling liquid returns to the other side of the top cooling plate 2 again, is collected to the independent water channel 202 through the small flow channel again, and finally flows out of the water outlet 4.

Because of the mutual isolation independence of the independent water channels 202, the independent adjustment of the cooling liquid flow in each independent water channel 202 on the top cooling plate 2 can be realized by using the electric control throttle valve, and because each independent water channel 202 of the top cooling plate 2 is communicated with a plurality of side cooling plates 5, the side cooling plate 5 communicated with the independent water channel 202 is adjusted by adjusting one independent water channel 202, so that the refined heat management of the sectional partition of the blade electric core 14 is realized.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, it is not intended to limit the present invention, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any introduction modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention will still fall within the scope of the technical solution of the present invention.

Claims

1. A multi-section active adjustment type blade battery two-position water cooling plate is characterized in that; the power supply comprises a top cold plate (2), a cover plate (1) is arranged at the top of the top cold plate (2), symmetrical positioning clamping plates (201) are arranged on two sides of the top cold plate (2), a plurality of independent water channels (202) are arranged on the top cold plate (2), the independent water channels (202) are offset one by one, each independent water channel (202) is provided with an independent water inlet (3) and an independent water outlet (4), the water inlets (3) and the water outlets (4) are arranged at one end of the top cold plate (2), the water inlet and outlet directions of adjacent water channels are designed to be staggered, a plurality of side cold plates (5) are welded at the bottom of the top cold plate (2), the side cold plates (5) are arranged in a linear mode, blade electric cores (14) are installed between the side cold plates (5) and the side cold plates (5), sealing plates (6) are arranged on two sides of the side cold plates (5), the sealing plates (6) are installed at two ends of the top cold plate (2), a flow control mechanism is arranged on one side of the sealing plates (6), the flow control mechanism is communicated with the water inlet (3) and the water outlet (4) through a rubber hose (7), the flow control mechanism is connected with a main battery pack (15) which is installed at the outer side of the top cold plate (12), and the main battery pack which is installed at the outer side of the bottom of the power supply frame (12), the mounting plate (121) is installed to battery package main frame (12) lateral wall.

2. The dual position water cooled plate of a multi-segment actively regulated blade battery of claim 1, wherein: both ends all are equipped with pressure release hole (101) of symmetry on apron (1), and set up a plurality of pressure release holes (101) in delivery port (4) and water inlet (3) direction.

3. The dual position water cooled plate with multiple segments of actively regulated blade batteries as claimed in claim 1, wherein: all be equipped with a plurality of small channels in every independent water course (202) on top cold drawing (2), the both ends of every small channel baffle are equipped with fillet (204) of converging, and are equipped with mounting hole (203) that match with side cold drawing (5) top in every small channel, top cold drawing (2) top central authorities are equipped with one row and subtract heavy groove (205).

4. The dual position water cooled plate of a multi-segment actively regulated blade battery of claim 1, wherein: a plurality of side cold drawing (5) tops all are equipped with harmonica mouth of pipe (501), and every side cold drawing (5) all press from both sides between two adjacent blade electricity cores (14), top cold drawing (2) and every blade electricity core (14) top surface contact, and all contact surfaces use heat conduction insulation structure to glue (13) bonding.

5. The dual position water cooled plate with multiple segments of actively regulated blade batteries as claimed in claim 1, wherein: the flow control mechanism comprises an integrated valve island controller (9), a plurality of rubber hoses (7) are communicated with the two ends of the integrated valve island controller (9), one ends of the rubber hoses (7) are communicated with a water inlet (3) and a water outlet (4), and a group of water inlet and outlet quick plugs (10) are arranged at one end of the integrated valve island controller (9).

6. The dual position water cooled plate of a multi-segment actively regulated blade battery of claim 5, wherein; the power supply assembly comprises a cable (8), one end of the cable (8) is electrically connected with the integrated valve island controller (9), the other end of the cable is electrically connected with the integrated outer plug (11), and the integrated outer plug (11) is installed on one side of the battery pack main frame (12).