Portable new energy battery pack

Abstract

The utility model discloses a portable new energy battery pack which comprises a portable box body and a portable box cover, the upper end of the portable box body is provided with the portable box cover, and the portable box cover and the portable box body are fixedly connected through a plurality of screws. According to the portable new energy battery pack, the flame-retardant fireproof device is additionally arranged on the outer wall of the periphery of the portable box body, and the portable box body is protected through the two fixing frames on the device and the protective cover between the fixing frames, so that external impact can be prevented; meanwhile, a material storage cavity is formed between the portable box body and the protective cover, a boron nitride flame retardant is placed in the material storage cavity, and the boron nitride flame retardant can release various molecules, so that the boron nitride flame retardant can better release the molecules to a fire source conduction area when a fire disaster is caused by fire in the use and charging process of the portable battery pack, and the service life of the portable battery pack is prolonged. Combustion is inhibited, and the fire spreading speed is effectively delayed.

Description

Technical Field

[0001] The utility model belongs to the technical field related to energy storage, and specifically relates to a portable new energy battery pack. Background Art

[0002] A portable new energy battery pack is a device that can store and release electrical energy and is used to power mobile devices. It is composed of battery cells and usually uses lithium-ion battery technology. These battery packs have a certain capacity and rated voltage and can provide electrical energy sustainably. Due to its portability, users can carry it with them or install it in the device, thereby achieving convenient energy supply to meet users' needs for higher performance, longer battery life, and safer and more reliable energy reserves.

[0003] However, portable battery packs may easily catch fire and explode during use and charging due to internal chemical reactions and high-energy currents, which will cause serious damage to the equipment or make it unusable, causing unnecessary trouble and economic losses to users. It may also cause large-scale fires, resulting in serious casualties and property losses, posing a threat to user safety. Utility Model Content

[0004] The purpose of the utility model is to provide a portable new energy battery pack to solve the problem raised in the above background technology that the portable battery pack may be prone to fire and explosion accidents during use and charging due to internal chemical reactions and high energy currents, which will cause the device to be seriously damaged or unusable.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable new energy battery pack, comprising a portable box body and a portable box cover, wherein a portable box cover is arranged at the upper end of the portable box body, and the portable box cover and the portable box body are fixedly connected by a plurality of screws, a handle is arranged at the center of the upper end of the portable box cover, and the handle and the portable box cover are fixedly connected by screws, and a flame retardant and fireproof device is arranged on the outer walls around the outside of the portable box body;

[0006] The flame retardant and fireproof device includes a fixed frame A, a protective cover and a fixed frame B. The fixed frame A is fixed on the outer wall of the bottom end around the portable box, and the fixed frame B is arranged on the outer wall of the upper end around the portable box. A protective cover is arranged between the fixed frame B and the fixed frame A. The outer walls around the protective cover are flush with the outer walls around the fixed frame B and the fixed frame A, and the thickness of the protective cover is one third of the thickness of the fixed frame B and the fixed frame A.

[0007] Preferably, the flame retardant and fireproof device also includes a storage chamber, a feeding port and a flame retardant. A storage chamber is arranged between the portable box and the protective cover. A feeding port is arranged on the right outer wall of the protective cover near the upper end, and the feeding port is connected to the interior of the storage chamber. A flame retardant is arranged inside the storage chamber.

[0008] Preferably, a positive current terminal block is provided on the outer wall of the upper front end of the portable box cover near the right end, and a negative current terminal block is provided on the outer wall of the upper rear end of the portable box cover near the right end.

[0009] Preferably, multiple lithium batteries are longitudinally arranged inside the portable box, and the longitudinal length of the multiple lithium batteries is the same as the longitudinal length of the inside of the portable box, and multiple lithium batteries are provided with positive battery poles on the outer wall near the front upper end, and multiple lithium batteries are provided with negative battery poles on the outer wall near the rear upper end.

[0010] Preferably, the plurality of battery positive poles are electrically connected via metal connecting sheets, the plurality of battery negative poles are electrically connected via metal connecting sheets, the positive current terminal block is electrically connected to the battery positive pole via wires, and the negative current terminal block is electrically connected to the battery negative pole via wires.

[0011] Preferably, the portable box body and the portable box cover are made of stainless steel, and the outer walls of the portable box body and the portable box cover are sprayed with paint.

[0012] Compared with the prior art, the utility model provides a portable new energy battery pack, which has the following beneficial effects:

[0013] The utility model adds a flame retardant and fireproof device to the outer walls of the portable box body of the portable new energy battery pack. The two fixing frames on the device and the protective cover in the middle of the fixing frames protect the portable box body and can prevent external impact. At the same time, there is a storage cavity between the portable box body and the protective cover, in which a boron nitride flame retardant is placed. The boron nitride flame retardant can release a variety of molecules to prevent the portable battery pack from catching fire during use and charging. The boron nitride flame retardant can better release molecules to the area where the fire source is conducted, inhibit combustion, effectively slow down the speed of fire spread, and better protect the new energy battery pack from thermal damage or physical impact. In addition, the boron nitride flame retardant has excellent flame retardancy and can withstand high temperatures without polluting the battery pack. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic diagram of the external three-dimensional structure of a portable new energy battery pack.

[0015] Figure 2The utility model is a schematic diagram of the internal three-dimensional structure of a portable new energy battery pack.

[0016] Figure 3 It is a schematic diagram of the external planar structure of the flame retardant and fireproof device of the utility model.

[0017] Figure 4 It is a schematic diagram of the internal planar structure of the flame retardant and fireproofing device of the utility model.

[0018] In the figure: 1. flame retardant and fireproof device; 2. portable box; 3. portable box cover; 4. handle; 5. positive current terminal block; 6. negative current terminal block; 7. positive battery column; 8. negative battery column; 9. lithium battery; 10. metal connecting piece; 11. fixing frame A; 12. protective cover; 13. fixing frame B; 14. material storage chamber; 15. feeding port; 16. flame retardant. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides Figure 1-4A portable new energy battery pack shown includes a portable case 2 and a portable case cover 3, wherein a portable case cover 3 is provided on the upper end of the portable case 2, and the portable case cover 3 is fixedly connected to the portable case 2 by a plurality of screws, a handle 4 is provided at the center of the upper end of the portable case cover 3, and the handle 4 is fixedly connected to the portable case cover 3 by screws, a flame retardant and fireproof device 1 is provided on the outer walls around the outside of the portable case 2, a positive current terminal block 5 is provided on the outer wall of the upper end of the front side of the portable case cover 3 near the right end, a negative current terminal block 6 is provided on the outer wall of the upper end of the rear side of the portable case cover 3 near the right end, a plurality of lithium batteries 9 are longitudinally arranged inside the portable case 2, and the longitudinal length of the plurality of lithium batteries 9 is the same as the longitudinal length inside the portable case 2, a plurality of lithium batteries 9 are provided with battery positive poles 7 on the outer wall of the upper end near the front side, and a plurality of lithium batteries 9 are provided with battery negative poles 8 on the outer wall of the upper end near the rear side. , multiple battery positive poles 7 are electrically connected through a metal connecting piece 10, multiple battery negative poles 8 are electrically connected through a metal connecting piece 10, the positive current terminal block 5 is electrically connected to the battery positive pole 7 through a wire, the negative current terminal block 6 is electrically connected to the battery negative pole 8 through a wire, the portable box 2 and the portable box cover 3 are made of stainless steel, and the outer walls of the portable box 2 and the portable box cover 3 are also sprayed with paint. First, separate the portable box 2 and the portable box cover 3 from the screw fixed connection, open the portable box 2 and the portable box cover 3, check whether the multiple lithium batteries 9 inside the portable box 2 are intact, check whether the battery positive poles 7 and battery negative poles 8 of the multiple lithium batteries 9 are respectively connected to the metal connecting piece 10 intact, after everything is checked, reconnect the portable box cover 3 with the portable box 2, and fix the connection with multiple screws. Ensure that the portable box cover 3 and the portable box body 2 are tightly connected and not loose, then install the flame retardant and fireproof device 1 on the outside of the portable box body 2, then insert the positive current terminal block 5 into the positive pole of the device to be powered, and insert the negative current terminal block 6 into the negative pole of the device to be powered, and check whether the connection is firm. After the inspection, start the device to be powered to use the power provided by the portable new energy battery pack. During use, it is necessary to monitor the changes in battery power in time to avoid over-discharge. When the battery power is low, the battery pack should be charged in time.

[0021] like Figure 1 and Figure 4As shown, the flame retardant and fireproof device 1 includes a fixing frame A11, a protective cover 12 and a fixing frame B13. The fixing frame A11 is fixed on the outer wall of the bottom end around the portable box body 2. The fixing frame B13 is arranged on the outer wall of the upper end around the portable box body 2. A protective cover 12 is arranged between the fixing frame B13 and the fixing frame A11. The outer walls around the protective cover 12 are flush with the outer walls around the fixing frame B13 and the fixing frame A11, and the thickness of the protective cover 12 is one third of the thickness of the fixing frame B13 and the fixing frame A11. The flame retardant and fireproof device 1 also includes a storage cavity 14, a feeding port 15 and a flame retardant 16. A storage cavity 14 is arranged between the portable box body 2 and the protective cover 12. A feeding port 15 is arranged on the outer wall of the right side of the upper end of the protective cover 12, and the feeding port 15 is communicated with the inside of the storage cavity 14. The inside of the storage cavity 14 is provided with a flame retardant 1 6. First, fix the fixing frame A11 and the fixing frame B13 on the bottom and upper outer walls of the portable box 2 respectively, and ensure that they are firmly connected. Then install the protective cover 12 between the fixing frame B13 and the fixing frame A11, and ensure that the connection between the protective cover 12 and the two fixing frames is tight and normally aligned. Because the thickness of the protective cover 12 should be one-third of the thickness of the fixing frame B13 and the fixing frame A11, there is a storage cavity 14 between the portable box 2 and the protective cover 12. Then, the flame retardant 16 is added into the storage cavity 14 through the feeding port 15 on the right outer wall near the upper end of the protective cover 12. Because the flame retardant 16 is boron nitride powder, it can release a variety of molecules. When a fire occurs or the fire spreads, the flame retardant 16 is released to prevent the fire from expanding and delaying the spread of the fire.

[0022] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable new energy battery pack, comprising a portable box body (2) and a portable box cover (3), characterized in that: A portable box cover (3) is provided at the upper end of the portable box body (2), and the portable box cover (3) is fixedly connected to the portable box body (2) by a plurality of screws; a handle (4) is provided at the center of the upper end of the portable box cover (3), and the handle (4) is fixedly connected to the portable box cover (3) by screws; and flame retardant and fireproof devices (1) are provided on the outer walls of the portable box body (2); The flame retardant and fireproof device (1) comprises a fixing frame A (11), a protective cover (12) and a fixing frame B (13); the fixing frame A (11) is fixed to the outer wall of the bottom end of the portable box (2); the fixing frame B (13) is arranged on the outer wall of the upper end of the portable box (2); a protective cover (12) is arranged between the fixing frame B (13) and the fixing frame A (11); the outer wall of the protective cover (12) is flush with the outer wall of the fixing frame B (13) and the fixing frame A (11); and the thickness of the protective cover (12) is one third of the thickness of the fixing frame B (13) and the fixing frame A (11).

2. A portable new energy battery pack according to claim 1, characterized in that: The flame retardant and fireproof device (1) further comprises a material storage chamber (14), a feeding port (15) and a flame retardant (16); the material storage chamber (14) is arranged between the portable box (2) and the protective cover (12); the feeding port (15) is arranged on the outer wall of the protective cover (12) on the right side near the upper end, and the feeding port (15) is communicated with the interior of the material storage chamber (14); and the flame retardant (16) is arranged inside the material storage chamber (14).

3. A portable new energy battery pack according to claim 2, characterized in that: A positive current terminal block (5) is provided on the outer wall of the upper front end of the portable box cover (3) near the right end, and a negative current terminal block (6) is provided on the outer wall of the upper rear end of the portable box cover (3) near the right end.

4. A portable new energy battery pack according to claim 3, characterized in that: A plurality of lithium batteries (9) are longitudinally arranged inside the portable case (2), and the longitudinal length of the plurality of lithium batteries (9) is the same as the longitudinal length of the inside of the portable case (2). The plurality of lithium batteries (9) are all provided with a positive battery column (7) on the outer wall near the front upper end, and the plurality of lithium batteries (9) are all provided with a negative battery column (8) on the outer wall near the rear upper end.

5. A portable new energy battery pack according to claim 4, characterized in that: The plurality of battery positive poles (7) are electrically connected via a metal connecting piece (10), the plurality of battery negative poles (8) are electrically connected via a metal connecting piece (10), the positive current terminal block (5) and the battery positive pole (7) are electrically connected via an electric wire, and the negative current terminal block (6) and the battery negative pole (8) are electrically connected via an electric wire.

6. A portable new energy battery pack according to claim 1, characterized in that: The portable box body (2) and the portable box cover (3) are made of stainless steel, and the outer walls of the portable box body (2) and the portable box cover (3) are sprayed with paint.

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