High-safety energy storage battery

Abstract

The utility model provides a high safety energy storage battery, relates to energy storage battery technical field, the high safety energy storage battery includes protection box main part and energy storage battery body, be equipped with the buffer spring between said fence and protection box main part inner wall, and the both ends of buffer spring are equipped with the connecting block, the energy storage battery main part is equipped with the energy storage battery body. The two connecting blocks are used for being welded to a fence and the inner wall of the protection box body correspondingly. According to the high-safety energy storage battery provided by the utility model, the energy storage battery body is arranged in the protection box main body, and the buffer spring is arranged between the enclosure and the inner wall of the protection box main body; when the protection box main body deforms due to stress, the buffer springs can be extruded, and the elastic force generated by the compressed buffer springs can buffer the impact force, so that the impact force generated by impacting the enclosure after the protection box main body deforms is reduced, the impact on the energy storage battery body is reduced, and meanwhile, the enclosure can also play a role in protecting the energy storage battery body.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of energy storage battery, especially to a high safety energy storage battery. BACKGROUND

[0002] Energy storage battery generally refers to energy storage battery, and it is the main carrier of electrochemical energy storage, and the process of energy storage, release and management is completed through the battery. The current mainstream energy storage battery includes lithium ion battery, lead storage battery, sodium sulfur battery and flow battery. Among them, the lithium ion battery is the most mature technology and the most widely used energy storage battery.

[0003] In order to protect the energy storage battery, the protective box is arranged to protect the energy storage battery, but the existing energy storage battery is usually directly installed in the inner cavity of the protective box, and there is lack of buffer between the side wall of the protective box and the energy storage battery, so that when the side wall of the protective box is deformed by accidental impact, the energy storage battery is directly impacted, the energy storage battery is easy to be damaged, even fire and explosion, and the use safety is affected. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing high safety energy storage battery to alleviate the technical problem that the existing energy storage battery is easy to be deformed by accidental impact, causes the damage of energy storage battery, is easy to fire and affects the use safety.

[0005] The utility model provides a kind of high safety energy storage battery, including protective box main body and energy storage battery body, and the energy storage battery body is assembled in the protective box main body;

[0006] Lower bolster is arranged in the protective box main body, and fence is arranged on the lower bolster, and multiple fences form assembly area for assembling energy storage battery body;

[0007] Buffer spring is arranged between the fence and the inner wall of the protective box main body, and the both ends of the buffer spring are provided with connecting block, and the two connecting blocks are respectively used to be welded with fence and the inner wall of the protective box main body.

[0008] In optional implementation, one end of the protective box main body is provided with air inlet, and the other end is provided with air outlet.

[0009] In optional implementation, heat dissipation fan is arranged on the outer side wall of the protective box main body, and the heat dissipation fan is arranged at the air inlet.

[0010] In optional implementation, air inlet cover is arranged on the air inlet, and air outlet cover is arranged on the air outlet, and the outlet of the air outlet cover and the inlet of the air inlet cover are both arranged downward.

[0011] In an optional embodiment, a heat-conducting plate is provided between the enclosure and the energy storage battery body. Multiple through slots are provided on the enclosure, and heat dissipation fins are provided on the through slots. One end of the heat dissipation fins is connected to the heat-conducting plate, and the other end extends into the inner wall of the protective box body.

[0012] In an optional embodiment, the heat dissipation fins on the enclosure are arranged in multiple groups, with adjacent groups of heat dissipation fins spaced apart.

[0013] In an optional embodiment, the energy storage battery body has four sides, each side corresponding to one of the enclosures, and each enclosure is provided with a buffer spring.

[0014] In an optional embodiment, the upper end of the protective box body is provided with a box cover, and a connector for connecting wires is provided on the box cover.

[0015] The high-safety energy storage battery provided by this utility model has its battery body housed inside a protective casing. A lower support plate is installed inside the casing, increasing the battery body's impact resistance. A barrier is installed on the lower support plate, and a buffer spring is located between the barrier and the inner wall of the casing. When the casing deforms under stress, it compresses the buffer spring. The elastic force generated by the compressed spring buffers the impact force, thereby reducing the impact force of the deformed casing hitting the barrier, thus reducing the impact on the battery body. Simultaneously, the barrier also protects the battery body, significantly reducing the risk of damage, fire, and explosion, and improving safety. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 A schematic diagram of the structure of a high-safety energy storage battery provided in an embodiment of this utility model;

[0018] Figure 2 for Figure 1 The diagram shows the internal structure of a high-safety energy storage battery.

[0019] Figure 3 for Figure 1 The diagram shows the structural connection between the enclosure and the lower support plate of the high-safety energy storage battery.

[0020] Icon: 100 - protective box body; 200 - box cover; 300 - connecting seat; 400 - buffer spring; 500 - connecting block; 600 - lower supporting plate; 700 - heat dissipation fin; 800 - air inlet; 900 - air outlet; 110 - air inlet cover; 120 - air outlet cover; 130 - heat dissipation fan; 140 - fence; 150 - heat conduction plate. DETAILED DESCRIPTION

[0021] The terms "first", "second", "third" and the like are merely used to distinguish descriptions, and do not represent the arrangement sequence, and cannot be understood as indicating or implying relative importance.

[0022] In addition, the terms "horizontal", "vertical", "suspension" and the like do not mean that the components must be absolutely horizontal or suspended, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0023] In the description of the present application, it should be pointed out that the terms "inner", "outer", "left", "right", "upper", "lower" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0024] In the description of the present application, unless otherwise explicitly specified and limited, the terms "set", "mounted", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements.

[0025] The technical solutions of the present application will be described below in conjunction with the drawings.

[0026] Embodiments

[0027] Reference Figures 1-3 The utility model provides a kind of high safety energy storage battery, including protective box body 100 and energy storage battery body, the energy storage battery body is assembled in the protective box body 100;

[0028] Lower supporting plate 600 is arranged in the protective box body 100, fence 140 is arranged on the lower supporting plate 600, and a plurality of the fence 140 forms an assembly area for assembling the energy storage battery body;

[0029] The buffering spring 400 is arranged between the enclosure 140 and the inner wall of the protective box body 100, and both ends of the buffering spring 400 are provided with the connecting block 500, and the two connecting blocks 500 are respectively welded with the enclosure 140 and the inner wall of the protective box body 100.

[0030] In some embodiments, the high-safety energy storage battery comprises a protective box body 100, and a lower supporting plate 600 is arranged in the protective box body 100; the lower supporting plate 600 increases the thickness of the lower end of the energy storage battery body, thereby effectively increasing the impact resistance of the lower end of the energy storage battery body.

[0031] The enclosure 140 is arranged on the lower supporting plate 600, the enclosure 140 encloses an assembly area, and the energy storage battery body is assembled in the assembly area; the buffering spring 400 is arranged between the enclosure 140 and the protective box body 100; the connecting block 500 is arranged at both ends of the buffering spring 400, and the connecting block 500 is generally welded with the protective box body 100 and the enclosure 140 in a fixed connection manner, thereby effectively ensuring the fixed connection of the buffering spring 400 with the protective box body 100 and the enclosure 140.

[0032] Reference Figure 2 In an optional embodiment, one end of the protective box body 100 is provided with an air inlet 800, and the other end is provided with an air outlet 900.

[0033] In an optional embodiment, the outer wall of the protective box body 100 is provided with a heat dissipation fan 130, and the heat dissipation fan 130 is arranged at the air inlet 800.

[0034] In an optional embodiment, the air inlet 800 is provided with an air inlet cover 110, the air outlet 900 is provided with an air outlet cover 120, and the outlet of the air outlet cover 120 and the inlet of the air inlet cover 110 are both arranged downward.

[0035] In some embodiments, the protective box body 100 can effectively dissipate heat, one end of the protective box body 100 is provided with an air inlet 800, and the other end is provided with an air outlet 900; the height of the air inlet 800 and the air outlet 900 is high, thereby effectively preventing water from entering the protective wall body through the air inlet 800 and the air outlet 900; and since the energy storage battery body is arranged between the air inlet 800 and the air outlet 900, the air entering from the air inlet 800 will not be directly discharged from the air outlet 900.

[0036] In order to further prevent foreign matters from entering through the air inlet 800 and the air outlet 900, the air inlet cover 110 is arranged at the air inlet 800, and the air outlet cover 120 is arranged at the air outlet 900, and the inlet of the air inlet cover 110 and the outlet of the air outlet cover 120 are both arranged downward.

[0037] To ensure air circulation within the protective enclosure 100, a cooling fan 130 is installed at the air inlet 800. The cooling fan 130 allows low-temperature outside air to enter the protective enclosure 100 through the air inlet 800, where it undergoes heat exchange before being exhausted through the air outlet 900, thus achieving heat dissipation for the energy storage battery body.

[0038] Reference Figure 3 In an optional embodiment, a heat-conducting plate 150 is provided between the enclosure 140 and the energy storage battery body. Multiple through slots are provided on the enclosure 140, and heat dissipation fins 700 are provided on the through slots. One end of the heat dissipation fin 700 is connected to the heat-conducting plate 150, and the other end extends into the inner wall of the protective box body 100.

[0039] In an optional embodiment, the heat dissipation fins 700 on the enclosure 140 are arranged in multiple groups, and adjacent groups of heat dissipation fins 700 are spaced apart.

[0040] In some embodiments, in order to further improve heat dissipation efficiency, a through groove is provided on the enclosure 140, and a heat-conducting plate 150 is provided inside the enclosure 140. The heat-conducting plate 150 is in direct contact with the energy storage battery body, and the heat dissipation fins 700 are connected to the heat-conducting plate 150 and extend outside the enclosure 140.

[0041] The heat sink 700 exchanges heat with the air, which effectively reduces the temperature of the heat sink 700, thereby effectively dissipating the heat generated by the energy storage battery body and reducing the temperature of the energy storage battery body.

[0042] The heat-conducting plate 150 can absorb the heat emitted by the energy storage battery body and conduct it to multiple heat dissipation fins 700. The heat dissipation fan can blow air into the inner cavity of the protective box body 100, and carry the heat on the heat dissipation fins 700 out of the inner cavity of the protective box body 100 through the air outlet 900, thereby ensuring the heat dissipation effect of the energy storage battery body and further improving the safety of the energy storage battery body in use.

[0043] In an optional embodiment, the energy storage battery body has four sides, each side corresponding to one of the enclosures 140, and each enclosure 140 is provided with a buffer spring 400.

[0044] In an optional embodiment, a cover 200 is provided on the upper end of the protective box body 100, and a connector 300 for connecting wires is provided on the cover 200.

[0045] The energy storage battery body of the high-safety energy storage battery is arranged in the protection box body 100, the lower supporting plate 600 is arranged in the protection box body 100, the capacity of the lower end of the energy storage battery body to resist impact is increased, the fence 140 is arranged on the lower supporting plate 600, and the buffer spring 400 is arranged between the fence 140 and the inner wall of the protection box body 100; when the protection box body 100 is deformed under stress, the buffer spring 400 is extruded, the elastic force generated by the compressed buffer spring 400 can buffer the impact force, so that the impact force of the deformed protection box body 100 on the fence 140 is reduced, the impact on the energy storage battery body is reduced, the fence 140 can also protect the energy storage battery body, the risk of damage, fire and explosion of the energy storage battery body is greatly reduced, and the use safety is improved.

[0046] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A high safety energy storage battery, characterized in that, The application relates to a protective box body (100) and an energy storage battery body assembled in the protective box body (100). A lower supporting plate (600) is arranged in the protective box body (100), and a plurality of fences (140) are arranged on the lower supporting plate (600) and form an assembling area for assembling the energy storage battery body. A buffer spring (400) is arranged between the fence (140) and the inner wall of the protective box body (100), and both ends of the buffer spring (400) are provided with connecting blocks (500) which are respectively welded with the fence (140) and the inner wall of the protective box body (100).

2. The high safety energy storage battery of claim 1, wherein, One end of the protective box body (100) is provided with an air inlet (800), and the other end is provided with an air outlet (900).

3. The high safety energy storage cell of claim 2, wherein, A heat dissipation fan (130) is arranged on the outer wall of the protective box body (100), and the heat dissipation fan (130) is arranged at the air inlet (800).

4. The high safety energy storage cell of claim 2, wherein, The air inlet (800) is provided with an air inlet cover (110), the air outlet (900) is provided with an air outlet cover (120), and the outlet of the air outlet cover (120) and the inlet of the air inlet cover (110) are both arranged downward.

5. The high safety energy storage battery of claim 4, wherein, A heat conduction plate (150) is arranged between the fence (140) and the energy storage battery body, a plurality of through grooves are arranged on the fence (140), heat dissipation fins (700) are arranged on the through grooves, one end of the heat dissipation fin (700) is connected with the heat conduction plate (150), and the other end of the heat dissipation fin (700) extends to the inner wall of the protective box body (100).

6. The high safety energy storage cell of claim 5, wherein, The heat dissipation fins (700) on the fence (140) are arranged in multiple groups, and adjacent two groups of heat dissipation fins (700) are arranged at intervals.

7. The high safety energy storage cell of claim 1, wherein, The energy storage battery body has four sides, each side corresponds to one fence (140), and a buffer spring (400) is arranged on each fence (140).

8. The high safety energy storage cell of claim 2, wherein, A box cover (200) is arranged on the upper end of the protective box body (100), and a connecting seat (300) for connecting a wire is arranged on the box cover (200).

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