CN209822694U

CN209822694U - New energy automobile square battery module end plate

Info

Publication number: CN209822694U
Application number: CN201921078889.XU
Authority: CN
Inventors: 罗福林
Original assignee: Hunan Aluminium And Precision Industry Ltd By Share Ltd
Current assignee: Hunan Aluminium And Precision Industry Ltd By Share Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2019-12-20
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a new energy automobile square battery module end plate, which comprises a substrate, the base plate both sides are provided with first curb plate and second curb plate, be provided with the expansion plate between first curb plate and the second curb plate, expansion plate and base plate parallel arrangement, type of calligraphy recess has all been seted up to first curb plate and second curb plate, the expansion plate both sides correspondence is provided with protruding style of calligraphy arch with type of calligraphy recess block, the expansion plate card is located between the type of calligraphy recess, be provided with polylith fin and many strengthening ribs on the base plate, fin perpendicular to base plate sets up, fin and strengthening rib all with the expansion gap leaves between the expansion plate. Through utilizing base plate and expansion plate combination to form the end plate, when the battery takes place the inflation of normal scope along with length of time, at first make the expansion plate warp, and the expansion gap provides the space that the expansion plate warp for the first expanded pressure of battery obtains releasing, the vicious circle of avoiding, leads to the inflation aggravation.

Description

New energy automobile square battery module end plate

Technical Field

The utility model relates to a new energy automobile field especially relates to a new energy automobile square battery module end plate.

Background

The Battery (Battery) is a part of space of a cup, a tank or other containers or composite containers which are filled with electrolyte solution and metal electrodes to generate current, and a device which can convert chemical energy into electric energy is one of core components in the field of new energy automobiles and is one of key points in research and development of the current new energy automobiles, the cruising ability of the automobile with direct Battery capacity is directly seen, the cruising ability of the new energy is the most important concern of consumers, the capacity of the Battery applied to the field of the new energy automobiles in the current market is not ideal, the Battery capacity is greatly improved in potential, the reason for limiting the improvement of the Battery capacity is the weight which is exponentially improved along with the improvement of the Battery capacity and the safety risk which is improved along with the improvement of the Battery capacity, the driving quality of the new energy automobiles is seriously influenced, particularly the safety risk is influenced, and the personal and property safety of the consumers are directly influenced, therefore, how to increase the safety coefficient of the battery while increasing the battery capacity becomes an important part of research of various manufacturers in the field of new energy batteries.

The current general structure of the battery introduced in the new energy field is that a plurality of groups of square battery modules are connected and installed together, end plates are arranged between each group of battery modules at intervals, the end plates have the functions of providing channels for routing of each battery module and providing installation spaces for various detection units, and simultaneously, heat dissipation is performed on each battery module, so that the thermal expansion coefficient of the battery is reduced, and the safety risk is reduced, therefore, the safety of the battery can be greatly improved by optimizing the structure of the end plates, the existing end plates can eliminate the thermal expansion coefficient of the battery to a certain extent, but the battery expansion cannot be completely eliminated, so that slight expansion can be avoided after a long time in the battery process, the end plates are pressed, the end plates can generate pressure on the battery, the expansion pressure of the battery can not be released, the heat generated by the battery is increased, vicious circle is entered, and the end plates cannot be used until the end plates are deformed by, affecting the service life of the battery and even causing the battery to self-ignite if not replaced or maintained for a long time.

Therefore, it is necessary to provide a new energy automobile square battery pack end plate which can tolerate the expansion of the battery to a certain extent and effectively improve the safety coefficient of the battery.

SUMMERY OF THE UTILITY MODEL

The utility model provides a can tolerate the expanded effective new energy automobile square battery group end plate that promotes battery factor of safety of battery to a certain extent. Through utilizing base plate and expansion plate combination to form the end plate, when the battery takes place the inflation of normal scope along with length of time, at first make the expansion plate warp, and the expansion gap provides the space that the expansion plate warp for the first expanded pressure of battery obtains releasing, and the vicious circle of avoiding accelerates the inflation of battery, has improved the factor of safety of battery greatly.

In order to solve the technical problem, the technical scheme of the utility model is that:

the utility model provides a square battery module end plate for new energy automobile, includes the base plate, the base plate both sides are provided with first curb plate and second curb plate, be provided with the expansion plate between first curb plate and the second curb plate, the expansion plate with base plate parallel arrangement.

Preferably, protruding style of calligraphy recess has all been seted up to first curb plate and second curb plate, the correspondence of expansion board both sides be provided with the protruding style of calligraphy of protruding style of calligraphy recess block is protruding, the expansion board card is located between the protruding style of calligraphy recess, be provided with polylith fin and many strengthening ribs on the base plate, the fin perpendicular to the base plate sets up, the fin with the strengthening rib all with leave the inflation gap between the expansion board.

Preferably, the expansion gap has a width of 0.8 to 1.5 mm.

Preferably, the expansion gap has a width of 1 mm.

Preferably, connect through the splice bar between the different end plates, the base plate with be provided with the splice bar mounting groove on the expansion plate, the splice bar erects through the splice bar mounting groove in the base plate with on the expansion plate.

Preferably, different end plates are fixed through fixing plates, fixing plate mounting grooves are formed in the base plate and the expansion plate, and the fixing plates are erected on the base plate and the expansion plate through the fixing plate mounting grooves.

Preferably, a plurality of holes are formed in the base plate and the expansion plate.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

1. the utility model discloses an utilize base plate and expansion plate combination to form the end plate, when the battery takes place the inflation of normal scope along with length, at first make the expansion plate warp, and the inflation gap provides the space that the expansion plate warp for the first inflation pressure of battery obtains releasing, and the vicious circle of avoiding has improved the factor of safety of battery with higher speed with the inflation of battery greatly.

2. The utility model discloses well inflation board is between the recess of activity setting on the base plate, has realized the change of inflation board, need not to change end plate whole when changing the battery module, effective the cost is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the utility model at A;

FIG. 3 is a schematic view of the groove of the present invention when no expansion plate is disposed at the position A;

FIG. 4 is a front view of the present invention;

fig. 5 is a rear view of the present invention;

fig. 6 is a schematic top view of the present invention;

fig. 7 is a schematic bottom view of the present invention;

fig. 8 is an enlarged schematic view of the position B of the present invention.

Reference numerals: 1. the base plate, 2, expansion plate, 3, recess, 4, strengthening rib, 5, fin, 6, splice bar mounting groove, 7, fixed plate mounting groove, 8, hole, 9, expansion gap, 10, notch.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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.

Referring to fig. 1-8, the square battery module end plate for the new energy automobile comprises a base plate 1, wherein a first side plate and a second side plate are arranged on two sides of the base plate 1, an expansion plate 2 is arranged between the first side plate and the second side plate, and the expansion plate 2 and the base plate 1 are arranged in parallel. The first side plate and the second side plate are both provided with convex grooves 3, the two sides of the expansion plate 2 are correspondingly provided with convex protrusions clamped with the convex grooves 3, the expansion plate 2 is clamped between the convex grooves 3, the expansion plate 2 can be replaced, so that the overall damage rate of the end plate is reduced, the cost is reduced, the base plate 1 is provided with a plurality of radiating fins 5 and a plurality of reinforcing ribs 4, the radiating fins 5 are arranged perpendicular to the base plate 1, the radiating fins 5 are used for enhancing the radiating effect of the end plate, spaced channels are supported between the radiating fins 5 and the radiating fins 5 to facilitate wiring and placement of various detectors or water-cooling pipelines, the reinforcing ribs 4 are used for enhancing the bearing capacity of the end plate, expansion gaps 9 are reserved between the radiating fins 5 and the reinforcing ribs 4 and the expansion plate 2, the width of the expansion gaps 9 is 0.8-1.5 mm (the fault-tolerant range when the expansion gaps 9 are cut, the width of the expansion gap 9 will not hinder the expansion pressure released by the battery in this range), and in this embodiment, the width of the expansion gap 9 is 1 mm, and 1 mm is the most suitable distance, and generally, the two ends of the battery module are provided with end plates (some of which can be arranged around the battery module), so the expansion range of the two ends of the battery can reach two mm, and the expansion caused by the change of the battery module in normal use environment along with time is basically within the range of two mm and does not exceed the range of 2 mm, and different end plates are connected by connecting ribs, the base plate 1 and the expansion plate 2 are provided with connecting rib mounting grooves 6, and the connecting ribs are erected on the base plate 1 and the expansion plate 2 through the connecting rib mounting grooves 6. Fixed through the fixed plate between the end plate of difference, base plate 1 with be provided with fixed plate mounting groove 7 on the expansion plate 2, the fixed plate erects through fixed plate mounting groove 7 in base plate 1 with on the expansion plate 2. The battery module is arranged between different end plates through the connecting ribs and the fixing plate, the end plates are tightly attached to the battery module, heat generated by the battery module can be rapidly led out by the end plates, and the base plate 1 and the expansion plate 2 are respectively provided with a plurality of holes 88 for installation and fixation; so as to facilitate the installation between the end plate and the battery module, and also facilitate the installation of the end plate fixed on the battery tray (the battery tray is a conventional component in the field and used for placing the battery module and the related units), and the expansion plate 2 is correspondingly provided with a notch 10 which is convenient for connecting the battery module and the circuit.

The innovation point of the utility model is that: the new energy automobile square battery pack end plate can tolerate the expansion of the battery to a certain extent and effectively improve the safety coefficient of the battery. Through utilizing base plate 1 and expansion plate 2 combination to form the end plate, when the battery takes place the inflation of normal range along with length of time, at first make expansion plate 2 warp, and expansion gap 9 provides the space that expansion plate 2 warp for the pressure of the first inflation of battery obtains releasing, the vicious circle of avoiding, the inflation of acceleration battery has improved the factor of safety of battery greatly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a new energy automobile is with square battery module end plate which characterized in that: the expansion joint comprises a base plate, the base plate both sides are provided with first curb plate and second curb plate, be provided with the expansion plate between first curb plate and the second curb plate, the expansion plate with base plate parallel arrangement.

2. The square battery module end plate for the new energy automobile according to claim 1, characterized in that: protruding style of calligraphy recess has all been seted up to first curb plate and second curb plate, the correspondence of expansion board both sides be provided with the protruding style of calligraphy of protruding style of calligraphy recess block is protruding, the expansion board card is located between the protruding style of calligraphy recess, be provided with polylith fin and many strengthening ribs on the base plate, the fin perpendicular to the base plate sets up, the fin with the strengthening rib all with leave the inflation gap between the expansion board.

3. The new energy automobile square battery module end plate of claim 2, characterized in that: the width of the expansion gap is 0.8-1.5 mm.

4. The new energy automobile square battery module end plate of claim 3, characterized in that: the expansion gap width is 1 mm.

5. The new energy automobile square battery module end plate of claim 1, characterized in that: the different end plates are connected through connecting ribs, the base plate and the expansion plate are provided with connecting rib mounting grooves, and the connecting ribs are erected on the base plate and the expansion plate through the connecting rib mounting grooves.

6. The new energy automobile square battery module end plate of claim 1, characterized in that: the expansion plate is fixed between different end plates through a fixing plate, the base plate and the expansion plate are provided with fixing plate mounting grooves, and the fixing plate is erected on the base plate and the expansion plate through the fixing plate mounting grooves.

7. The new energy automobile square battery module end plate of claim 1, characterized in that: the base plate with all seted up a plurality of holes on the expansion plate.