阅读说明：本技术 一种多层锂离子动力电池组支撑装置 (Multilayer lithium ion power battery pack supporting device ) 是由 吴彝芳 洪蕻 王大海 欧阳新玲 于 2021-08-23 设计创作，主要内容包括：本发明公开了一种多层锂离子动力电池组支撑装置,包括电池组、电池固定板、散热架和底固定架,所述电池组设置于所述电池固定板的正上方的中心,所述电池固定板设置于所述散热架的顶部中心,所述底固定架顶部设置有安装槽,所述散热架整体设置于所述安装槽的内部,所述散热架底部的四个角端均设置缓冲弹簧,所述底固定架底部的内部设置有一导气腔,所述底固定架底部的上表面两侧设置有多个导气孔,所述导气孔顶部与所述安装槽内部相通,所述导气孔底端与所述导气腔内部相通,所述底固定架底部设置有出气板。本发明提供的一种多层锂离子动力电池组支撑装置能够有效保护电池组的整体安全,内部散热扇也能够为电池组提供有效的散热效果,更加实用。(The invention discloses a multilayer lithium ion power battery pack supporting device which comprises a battery pack, a battery fixing plate, a heat dissipation frame and a bottom fixing frame, wherein the battery pack is arranged in the center right above the battery fixing plate, the battery fixing plate is arranged in the center of the top of the heat dissipation frame, the top of the bottom fixing frame is provided with a mounting groove, the heat dissipation frame is integrally arranged in the mounting groove, four corner ends of the bottom of the heat dissipation frame are respectively provided with a buffer spring, the inside of the bottom fixing frame is provided with an air guide cavity, two sides of the upper surface of the bottom fixing frame are provided with a plurality of air guide holes, the tops of the air guide holes are communicated with the inside of the mounting groove, the bottom ends of the air guide holes are communicated with the inside of the air guide cavities, and the bottom of the bottom fixing frame is provided with an air outlet plate. The multilayer lithium ion power battery pack supporting device provided by the invention can effectively protect the overall safety of the battery pack, and the internal cooling fan can also provide an effective cooling effect for the battery pack, so that the multilayer lithium ion power battery pack supporting device is more practical.)

1. A multi-layer lithium ion power battery pack supporting device comprises a battery pack (1), a battery fixing plate (2), a heat dissipation frame (3) and a bottom fixing frame (4), and is characterized in that the battery pack (1) is arranged at the center right above the battery fixing plate (2), the battery fixing plate (2) is arranged at the top center of the heat dissipation frame (3), a mounting groove (5) is formed in the top of the bottom fixing frame (4), the heat dissipation frame (3) is integrally arranged in the mounting groove (5), four corner ends at the bottom of the heat dissipation frame (3) are respectively provided with a buffer spring (18), an air guide cavity (8) is formed in the bottom of the bottom fixing frame (4), a plurality of air guide holes (7) are formed in two sides of the upper surface at the bottom of the bottom fixing frame (4), the tops of the air guide holes (7) are communicated with the inside of the mounting groove (5), the bottom end of the air guide hole (7) is communicated with the inside of the air guide cavity (8), and an air outlet plate (11) is arranged at the bottom of the bottom fixing frame (4).

2. The multi-layer lithium ion power battery pack supporting device according to claim 1, wherein a second guiding column (17) is arranged at the top of the bottom fixing frame (4) in the center of the inside of each buffer spring (18), and four second guiding columns (17) are respectively inserted into guiding holes (16) arranged at four corner ends of the bottom of the heat dissipation frame (3) in a sliding manner.

3. The multi-layer lithium ion power battery pack supporting device as claimed in claim 1, wherein side baffles (12) are arranged around the top of the battery fixing plate (2), the left and right edges of four side baffles (12) are connected, clamping plates (13) are arranged inside the four side baffles (12), a first tightening screw (14) is rotatably connected to the center of the outer side of each clamping plate (13), the other end of each first tightening screw (14) is connected to the inside of the corresponding side baffle (12) in a threaded manner, and the inner sides of the four side baffles (12) are clamped around the battery pack (1).

4. The multi-layer lithium ion power battery pack supporting device as claimed in claim 1, wherein the inside of the air guide cavity (8) inside the bottom fixing frame (4) is a cavity with a rectangular shape as a whole, a piston plate (9) is horizontally arranged inside the air guide cavity (8), and the whole piston plate (9) can move up and down in the air guide cavity (8).

5. The multi-layered lithium ion power battery pack supporting device according to claim 4, wherein the air guide chamber (8) is internally provided with a plurality of first guide posts (10), and the plurality of first guide posts (10) are respectively slidably penetrated inside the piston plate (9).

6. The multi-layered lithium ion power battery pack supporting device according to claim 5, wherein a plurality of the first guide posts (10) are arranged in a matrix shape, and the upper and lower ends of the first guide posts (10) are respectively fixed on the upper and lower surfaces of the air guide chamber (8).

7. The multi-layer lithium ion power battery pack supporting device as claimed in claim 1, wherein a plurality of heat dissipation fins (23) are equidistantly arranged at the center of the top of the heat dissipation frame (3), three heat dissipation fans (24) are arranged on the front side wall of the bottom fixing frame (4), and the gaps among the plurality of heat dissipation fins (23) are parallel to the direction of the air flow blown by the heat dissipation fans (24).

8. The multi-layered lithium ion power battery pack supporting device according to claim 1, wherein an outer frame (19) is provided on the top of the bottom fixing frame (4), and both sides of the bottom of the outer frame (19) are hinged to the bottom fixing frame (4) through a hinge shaft (22).

9. The multi-layer lithium ion power battery pack supporting device as claimed in claim 1, wherein a second tightening stud (20) is inserted into the center of the top of the outer frame (19) in a threaded manner, the bottom end of the second tightening stud (20) is rotatably connected with an upper pressing plate (21), and the bottom of the upper pressing plate (21) is tightly pressed on the center of the top of the battery pack (1).

10. The support device for multi-layered lithium ion power battery pack as claimed in claim 1, wherein a buffer pad (6) is centrally disposed between the bottom of the heat dissipation frame (3) and the bottom fixing frame (4).

Technical Field

The invention relates to the field of lithium ion power batteries, in particular to a supporting device for a multilayer lithium ion power battery pack.

Background

The lithium ion power battery is a novel high-energy battery successfully developed in the 20 th century. The negative electrode of this battery is made of a material such as graphite, and the positive electrode is made of lithium iron phosphate, lithium cobaltate, lithium titanate, or the like. The 70 s were put into practical use. Because of its advantages of high energy, high battery voltage, wide working temp. range and long storage life, it has been widely used in military and civil small-sized electric appliances, and the lithium ion power battery partially replaces the traditional battery in mobile phones, portable computers, video cameras, etc. The high-capacity lithium ion battery has been tried in electric vehicles, will become one of the main power sources of electric vehicles in the 21 st century, and has been applied to artificial satellites, aerospace and energy storage. Lithium manganate, lithium iron phosphate etc. are the power battery of positive electrode material, and the system is classified as lithium ion power battery, each has advantages, is the development trend of new generation lithium ion power battery, and lithium ion power battery usually has two kinds of appearances: cylindrical and rectangular. The cylindrical battery adopts a spiral winding structure inside, and is formed by spacing a very fine and strong-permeability polyethylene or polypropylene or a polyethylene and polypropylene compounded film isolation material between a positive electrode and a negative electrode. The rectangle is formed by stacking a positive electrode, a negative electrode and a diaphragm, and the like. Comprises a lithium ion collector made of a lithium-containing material (such as one or a mixture of lithium cobaltate, lithium manganate and nickel cobalt lithium manganate) and a current collector made of an aluminum film. The negative electrode is composed of a lithium ion collector composed of a layered carbon material and a current collector composed of a copper thin film. The battery is filled with organic electrolyte solution. In addition, a safety valve and a PTC element are provided to protect the battery from damage in the case of abnormal conditions and output short circuits.

The external support structure of the traditional lithium ion power battery is unstable, the internal battery pack is often damaged when external impact is met, and meanwhile, the internal part of the traditional support structure is not provided with a heat dissipation structure.

Based on the above, the invention designs a multilayer lithium ion power battery pack supporting device to solve the above problems.

Disclosure of Invention

The present invention is to provide a supporting device for a multi-layer lithium ion power battery set, so as to solve the above problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a multilayer lithium ion power battery group strutting arrangement, includes group battery, battery fixed plate, heat dissipation frame and end mount, its characterized in that, the group battery set up in the center directly over the battery fixed plate, the battery fixed plate set up in the top center of heat dissipation frame, end mount top is provided with the mounting groove, heat dissipation frame whole set up in the inside of mounting groove, four angle ends of heat dissipation frame bottom all set up buffer spring, the inside of end mount bottom is provided with a gas guide cavity, the upper surface both sides of end mount bottom are provided with a plurality of gas guide holes, gas guide hole top with the mounting groove is inside to communicate with each other, gas guide hole bottom with the inside communicates with each other of gas guide cavity, end mount bottom is provided with out the gas board.

As a further scheme of the invention, a second guide column is arranged at the top of the bottom fixing frame in the center of the interior of each buffer spring, and four second guide columns are respectively inserted into guide holes arranged at four corner ends of the bottom of the heat dissipation frame in a sliding manner.

As a further scheme of the invention, side baffles are arranged around the top of the battery fixing plate, the left edges and the right edges of the four side baffles are connected, clamping plates are arranged on the inner sides of the four side baffles, a first tightening screw is rotatably connected to the center of the outer side face of each clamping plate, the other end of each first tightening screw is in threaded connection with the inner part of each side baffle, and the inner side faces of the four side baffles are clamped around the battery pack.

As a further scheme of the invention, the whole inside of the air guide cavity inside the bottom fixing frame is a rectangular cavity, a piston plate is horizontally arranged inside the air guide cavity, and the whole piston plate can move up and down in the air guide cavity.

As a further aspect of the present invention, the air guide chamber interior is provided with a plurality of first guide pillars, and the plurality of first guide pillars are respectively slidably inserted into the piston plate.

As a further aspect of the present invention, a plurality of the first guide posts are arranged in a matrix shape, and upper and lower ends of the first guide posts are respectively fixed to upper and lower surfaces of the air guide cavity.

As a further scheme of the invention, a plurality of radiating fins are equidistantly arranged at the center of the top of the radiating frame, three radiating fans are arranged on the front side wall of the bottom fixing frame, and the gaps among the plurality of radiating fins are parallel to the direction of air flow blown out by the radiating fans.

As a further scheme of the invention, the top of the bottom fixing frame is provided with an outer frame, and two sides of the bottom of the outer frame are hinged on the bottom fixing frame through hinge shafts.

As a further scheme of the invention, a second tightening stud is inserted into the center of the top of the outer frame in a threaded manner, the bottom end of the second tightening stud is rotatably connected with an upper pressure plate, and the bottom of the upper pressure plate is tightly pressed on the center of the top of the battery pack.

As a further scheme of the invention, a buffer pad is arranged in the center between the bottom of the heat dissipation frame and the bottom fixing frame.

Compared with the prior art, the invention has the beneficial effects that:

(1) when the battery pack fixing device works, the first screwing screws on two sides can effectively fix the battery pack inside, when external impact is met, a plurality of buffer springs at the bottom of the heat dissipation frame can effectively absorb impact force, meanwhile, the whole heat dissipation frame can press gas in the mounting groove into the air guide cavity in the downward sliding process, the piston plate is pushed to move downwards, effective buffering is achieved through an exhaust mode, an effective damping effect can be provided, continuous vibration of the heat dissipation frame due to the action of the buffer springs is avoided, the safety is improved, the overall safety of the battery pack can be effectively protected, meanwhile, the internal heat dissipation fan can also provide an effective heat dissipation effect for the battery pack, and the battery pack fixing device is more practical.

Drawings

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

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

FIG. 1 is a schematic view showing the overall internal structure of a multi-layered lithium ion power battery pack supporting apparatus according to the present invention;

FIG. 2 is a schematic view of the internal structure of a bottom fixing frame of a supporting device for a multi-layered lithium ion power battery pack according to the present invention;

FIG. 3 is a schematic structural view of a heat dissipation frame of a multi-layered lithium ion power battery pack supporting apparatus according to the present invention;

fig. 4 is a schematic view of a partially enlarged structure at a in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a battery pack; 2. a battery fixing plate; 3. a heat dissipation frame; 4. a bottom mounting bracket; 5. mounting grooves; 6. a cushion pad; 7. an air vent; 8. a gas conducting cavity; 9. a piston plate; 10. a first guide post; 11. an air outlet plate; 12. a side dam; 13. a clamping plate; 14. a first tightening screw; 15. mounting a clamping strip; 16. a guide hole; 17. a second guide post; 18. a buffer spring; 19. an outer frame; 20. secondly, screwing the stud; 21. an upper pressure plate; 22. hinging a shaft; 23. a heat dissipating fin; 24. a heat dissipation fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-4, the invention provides a multilayer lithium ion power battery pack supporting device, which comprises a battery pack 1, a battery fixing plate 2, a heat dissipation frame 3 and a bottom fixing frame 4, and is characterized in that the battery pack 1 is arranged at the center right above the battery fixing plate 2, the battery fixing plate 2 is arranged at the center of the top of the heat dissipation frame 3, the top of the bottom fixing frame 4 is provided with an installation groove 5, the heat dissipation frame 3 is integrally arranged in the installation groove 5, four corner ends of the bottom of the heat dissipation frame 3 are respectively provided with a buffer spring 18, the bottom of the bottom fixing frame 4 is internally provided with an air guide cavity 8, two sides of the upper surface of the bottom fixing frame 4 are provided with a plurality of air guide holes 7, the tops of the air guide holes 7 are communicated with the inside of the installation groove 5, the bottom ends of the air guide holes 7 are communicated with the inside of the air guide cavities 8, the bottom of the bottom fixing frame 4 is provided with an air outlet plate 11.

Through the scheme of the invention, the top of the bottom fixing frame 4 is provided with the second guide columns 17 at the center of the inside of each buffer spring 18, and the four second guide columns 17 are respectively inserted into the guide holes 16 arranged at the four corner ends of the bottom of the heat dissipation frame 3 in a sliding manner.

According to the scheme of the invention, the periphery of the top of the battery fixing plate 2 is provided with the side baffles 12, the left edges and the right edges of the four side baffles 12 are connected, the inner sides of the four side baffles 12 are provided with the clamping plates 13, the center of the outer side surfaces of the clamping plates 13 is rotatably connected with the first screwing screw 14, the other end of the first screwing screw 14 is in threaded connection with the inner part of the side baffles 12, and the inner side surfaces of the four side baffles 12 are clamped around the battery pack 1.

According to the scheme of the invention, the whole inside of the air guide cavity 8 in the bottom fixing frame 4 is a rectangular cavity, a piston plate 9 is horizontally arranged in the air guide cavity 8, and the whole piston plate 9 can move up and down in the air guide cavity 8.

Through the above scheme of the present invention, the air guide cavity 8 is internally disposed in the first guide posts 10, and the first guide posts 10 are slidably connected to the interior of the piston plate 9.

Through the scheme of the invention, the first guide posts 10 are arranged in a matrix shape, and the upper end and the lower end of each first guide post 10 are respectively fixed on the upper surface and the lower surface of the air guide cavity 8.

Through the scheme of the invention, the plurality of radiating fins 23 are equidistantly arranged at the center of the top of the radiating frame 3, the three radiating fans 24 are arranged on the front side wall of the bottom fixing frame 4, and the gaps among the plurality of radiating fins 23 are parallel to the direction of air flow blown out by the radiating fans 24.

Through the scheme of the invention, the top of the bottom fixing frame 4 is provided with the outer frame 19, and two sides of the bottom of the outer frame 19 are hinged on the bottom fixing frame 4 through the arranged hinge shafts 22.

Through the scheme of the invention, the center of the top of the outer frame 19 is inserted with a second tightening stud 20, the bottom end of the second tightening stud 20 is rotatably connected with an upper pressure plate 21, and the bottom of the upper pressure plate 21 is tightly pressed on the center of the top of the battery pack 1.

Through the scheme of the invention, the cushion pad 6 is arranged in the center between the bottom of the heat dissipation frame 3 and the bottom fixing frame 4.

In practical application, in operation, the first screw rod 14 of screwing up of rotating both sides can effectively fix the group battery 1 of inside, when meetting outside impact, a plurality of buffer spring 18 of 3 bottoms of heat dissipation frame can the effective absorption impact force, whole heat dissipation frame 3 slides down the in-process simultaneously can impress the inside gas of mounting groove 5 inside air guide cavity 8 inside, and then top movable piston board 9 downstream, play effective buffering through carminative mode, can provide effectual damping effect simultaneously, avoid heat dissipation frame 3 because of buffer spring 18 effect continuous vibration, it is safer.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.