Lithium iron battery pack shell with good anti-corrosion and waterproof performance

Abstract

The utility model discloses an iron lithium battery pack shell with good corrosion resistance and water resistance, which comprises a battery shell, a clamping groove is arranged at the top end of the battery shell, a protective cover is clamped on the inner wall of the clamping groove, and the protective cover is fixedly connected with the battery shell through two groups of mounting screws. According to the device, through the arrangement of the supporting seat, the battery lower chuck, the battery upper chuck, the ventilation cavity and the annular exhaust hole, single batteries which are connected in series can be arranged and assembled in a suspended manner, the ventilation quantity in the battery shell can be increased, the interior of the battery shell can be conveniently kept dry, high temperature of the lithium battery is avoided, the aging speed of materials in the battery is reduced, and the service life of the battery is prolonged. Through cooperation of a ceramic material and a PP plastic material, the anti-corrosion effect of the battery shell is effectively improved, the service life of the battery shell is prolonged, through arrangement of a protective cover, mounting screws, a clamping groove and a sealing gasket, the top of the battery shell can be sealed, and moisture prevention of the battery shell is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to an iron-lithium battery pack casing with good anti-corrosion and waterproof performance. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as positive / negative electrode materials and non-aqueous electrolyte solutions. With the development of science and technology, lithium batteries have the characteristics of light weight, large energy storage, high power, pollution-free, longer life, and lower recycling costs. Lithium batteries have become mainstream. When used, lithium batteries need to be combined in series and parallel with multiple single cells to form a battery pack in order to better meet different usage requirements. The battery pack needs to be installed and fixed using a container shell and externally protected.

[0003] Among them, the utility model patent with publication number CN219513245U discloses a waterproof shell for installing a lithium battery pack. However, the above patent still has certain shortcomings when used. Although it can achieve the sealing and moisture-proofing of the lithium battery pack, its heat dissipation and anti-corrosion effects are poor, and its performance needs to be improved. Therefore, we propose an iron-lithium battery pack shell with good anti-corrosion and waterproof performance to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a lithium iron battery pack casing with good anti-corrosion and waterproof performance to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A lithium iron battery pack shell with good anti-corrosion and waterproof performance comprises a battery shell, a card slot is provided at the top of the battery shell, a protective cover is clamped on the inner wall of the card slot, the protective cover is fixedly connected to the battery shell by two groups of mounting screws, a group of support seats arranged at equal distances are fixedly connected to the inner bottom wall of the battery shell, a battery lower chuck is fixedly connected to the inner bottom walls of a group of the support seats, a battery upper chuck is fixedly connected to the bottom surface of the protective cover, a ventilation cavity is provided inside the battery shell, and two groups of annular exhaust holes are provided on the inner bottom wall of the battery shell.

[0007] In a further embodiment, the battery housing includes ceramic material and PP plastic material.

[0008] In a further embodiment, a sealing gasket is fixedly connected to the bottom surface of the protective cover, and the bottom surface of the sealing gasket is in contact with the top of the battery housing.

[0009] In a further embodiment, a binding edge strip is fixedly connected to the inner wall of the battery housing, and the binding edge strip is made of rubber.

[0010] In a further embodiment, a group of holding grooves are formed on the upper surface of the protective cover, and the holding grooves are located in the middle of the protective cover.

[0011] In a further embodiment, two electrode markers are fixedly embedded on the upper surface of the protective cover, and the electrode markers are located in the middle of the protective cover.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The device can suspend and assemble the single batteries installed in series by means of the support seat, the lower battery chuck, the upper battery chuck, the ventilation cavity and the annular exhaust hole, and can increase the ventilation volume inside the battery shell, so as to keep the inside of the battery shell dry, avoid high temperature of the lithium battery, slow down the aging speed of the internal battery materials, and effectively increase the anti-corrosion effect of the battery shell and increase the service life of the battery shell by means of the combination of ceramic material and PP plastic material. The battery shell can be sealed at the top by means of the protective cover, mounting screws, card slot and sealing gasket, so as to prevent the battery shell from moisture. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of an iron-lithium battery pack shell with good corrosion resistance and waterproof performance.

[0015] Figure 2 The present invention is a schematic diagram of the internal dissected structure of a battery shell in an iron-lithium battery pack shell with good corrosion resistance and waterproof performance.

[0016] Figure 3 It is a cross-sectional view of a top view of a battery shell in an iron-lithium battery pack shell with good anti-corrosion and waterproof performance.

[0017] Figure 4 The present invention is a dissected diagram of a battery shell in an iron-lithium battery pack shell having good corrosion resistance and waterproof performance.

[0018] In the figure: 1. battery housing; 101. ceramic material; 102. PP plastic material; 2. sealing gasket; 3. protective cover; 4. electrode identification; 5. mounting screws; 6. holding groove; 7. ventilation cavity; 8. card slot; 9. battery upper chuck; 10. binding edge strip; 11. battery lower chuck; 12. support seat; 13. annular exhaust hole. 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] See also Figure 1-4 In the utility model, an iron-lithium battery pack shell with good anti-corrosion and waterproof performance includes a battery shell 1, a card slot 8 is opened at the top of the battery shell 1, a protective cover 3 is clamped on the inner wall of the card slot 8, the protective cover 3 and the battery shell 1 are fixedly connected by two groups of mounting screws 5, a group of equidistantly arranged support seats 12 are fixedly connected to the inner bottom wall of the battery shell 1, a group of support seats 12 are fixedly connected to the inner bottom walls together with a battery lower chuck 11, the bottom surface of the protective cover 3 is fixedly connected to the battery upper chuck 9, a ventilation cavity 7 is opened inside the battery shell 1, and two groups of annular exhaust holes 13 are opened on the inner bottom wall of the battery shell 1.

[0021] The battery housing 1 includes a ceramic material 101 and a PP plastic material 102, which can increase the overall corrosion resistance of the battery housing 1. The bottom surface of the protective cover 3 is fixedly connected with a sealing gasket 2, and the bottom surface of the sealing gasket 2 is in contact with the top of the battery housing 1, which can achieve a sealed connection between the protective cover 3 and the battery housing 1, thereby increasing the sealing performance of the battery housing 1.

[0022] The inner wall of the battery housing 1 is fixedly connected with a binding edge strip 10, which is made of rubber and can be used to gather the lithium battery pack on the outside to facilitate the stable assembly of the lithium battery pack. A group of gripping grooves 6 are provided on the upper surface of the protective cover 3, and the gripping grooves 6 are located in the middle of the protective cover 3, so that the staff can easily pick up the battery housing 1, which is convenient for the movement of the lithium battery. The upper surface of the protective cover 3 is fixedly inlaid with two electrode marks 4, and the electrode marks 4 are located in the middle of the protective cover 3, which can indicate the positive and negative electrodes of the lithium battery, so as to facilitate the use of the lithium battery.

[0023] The working principle of the utility model is:

[0024] When in use, first place the single lithium batteries on the battery lower chuck 11 respectively, and use the binding edge strip 10 to restrain the lithium battery pack, then insert the protective cover 3 into the inside of the card slot 8, and use the mounting screws 5 to fix the protective cover 3 and the battery shell 1 to realize the suspended assembly of the lithium battery pack, and use the sealing gasket 2 to realize the top sealing of the battery shell 1. During use, the bottom of the battery shell 1 is ventilated through the annular exhaust hole 13 and the ventilation cavity 7 to keep the inside of the battery shell 1 dry, and realize ventilation and heat dissipation of the lithium battery pack, reduce the aging speed of the lithium battery pack, and use the ceramic material 101 and the PP plastic material 102 to increase the overall corrosion resistance of the battery shell 1, so as to realize the stable use of the battery shell 1.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A lithium iron battery pack housing with good anti-corrosion and waterproof performance, characterized in that: The invention comprises a battery housing (1), wherein a clamping groove (8) is provided at the top of the battery housing (1), a protective cover (3) is clamped on the inner wall of the clamping groove (8), the protective cover (3) is fixedly connected to the battery housing (1) by two groups of mounting screws (5), the inner bottom wall of the battery housing (1) is fixedly connected to a group of support seats (12) arranged at equal distances, the inner bottom walls of a group of the support seats (12) are fixedly connected to a battery lower clamping plate (11), the bottom surface of the protective cover (3) is fixedly connected to a battery upper clamping plate (9), a ventilation cavity (7) is provided inside the battery housing (1), and the inner bottom wall of the battery housing (1) is provided with two groups of annular exhaust holes (13).

2. The iron-lithium battery pack casing with good anti-corrosion and waterproof performance according to claim 1, characterized in that: The battery housing (1) comprises a ceramic material (101) and a PP plastic material (102).

3. The iron-lithium battery pack casing with good anti-corrosion and waterproof performance according to claim 1, characterized in that: The bottom surface of the protective cover (3) is fixedly connected to a sealing gasket (2), and the bottom surface of the sealing gasket (2) is in contact with the top of the battery housing (1).

4. The iron-lithium battery pack casing with good anti-corrosion and waterproof performance according to claim 1, characterized in that: The inner wall of the battery housing (1) is fixedly connected with a binding edge strip (10), and the binding edge strip (10) is made of rubber material.

5. The iron-lithium battery pack casing with good anti-corrosion and waterproof performance according to claim 1, characterized in that: A group of holding grooves (6) are provided on the upper surface of the protective cover (3), and the holding grooves (6) are located in the middle of the protective cover (3).

6. The iron-lithium battery pack casing with good anti-corrosion and waterproof performance according to claim 1, characterized in that: Two electrode marks (4) are fixedly inlaid on the upper surface of the protective cover (3), and the electrode marks (4) are located in the middle of the protective cover (3).

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