Copper bar shield and storage battery pack

Abstract

The utility model discloses a copper bar shield and a storage battery pack, and relates to the technical field of storage batteries, the copper bar shield comprises a top plate, two first protection plates and a second protection plate, the two first protection plates are fixedly arranged on the top plate, the two first protection plates are vertically arranged and are connected, the two first protection plates and the top plate form a cover body structure, and first buckles are arranged on the inner sides of the first protection plates; the second protection plate is fixedly arranged on the top plate and located on the side, provided with the first protection plate, of the top plate, the second protection plate is provided with a second buckle, the second protection plate and the first protection plate form a notch, and the notch allows the copper bar to enter the copper bar protection cover. According to the copper bar shield, the top plate, the second protection plate and the two first protection plates protect the copper bars from multiple directions, the insulation protection area of the crossed combination part of the series copper bars and the parallel copper bars is increased, and sufficient insulation protection and safety protection can be provided; and the second buckle and the two first buckles are clamped with the crossed combination part, so that the copper bar is fixed from three directions and is prevented from falling off.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery, especially a copper bar shield and battery pack. BACKGROUND

[0002] Large specification battery needs to be constituted by multiple single bodies in parallel due to large capacity. When the battery is used in series, the single bodies need to be connected in parallel from the outside. The simplest way is to stack the parallel copper bars on the top of the series copper bars, but this also brings problems to the insulation protection of the stacked copper bars.

[0003] The current solution to this problem is to protect the upper parallel copper bars with a copper bar shield only, which causes the part of the lower series copper bars that does not completely overlap with the upper parallel copper bars to be exposed, resulting in safety hazards, and the copper bars are not fixed and are prone to falling off. Therefore, how to provide a copper bar shield that can provide sufficient insulation protection and safety protection for the intersection of series copper bars and parallel copper bars is a problem that needs to be solved by those skilled in the art. SUMMARY

[0004] The utility model aims at providing a copper bar shield and battery pack, which solves the technical problem that the intersection of series copper bars and parallel copper bars is not sufficiently insulated and protected, resulting in safety hazards.

[0005] To achieve the above-mentioned purpose, the utility model provides a copper bar shield, which comprises:

[0006] a top plate;

[0007] two first protection plates fixed to the top plate, the two first protection plates being arranged vertically, the two first protection plates being connected, the two first protection plates and the top plate forming a shield structure, the inner side of the first protection plate being provided with a first buckle;

[0008] a second protection plate fixed to the top plate and located on the side of the top plate provided with the first protection plate, the second protection plate being provided with a second buckle, the second protection plate and the first protection plate forming an opening, the opening allowing the copper bar to enter the copper bar shield;

[0009] The first buckle and the second buckle are used to fix the copper bar.

[0010] Preferably, the included angle between the second protection plate and the two first protection plates is 45°.

[0011] Preferably, the side of the top plate provided with the first protection plate is provided with a plurality of limiting columns.

[0012] Preferably, the plurality of limiting columns are arranged in a rectangular array.

[0013] Preferably, the first buckle and / or the second buckle is L-shaped or T-shaped in cross section.

[0014] Preferably, the top plate, the first guard plate and the second guard plate are made of fire-retardant ABS material.

[0015] Preferably, the aperture is a rectangular aperture.

[0016] Preferably, the connection between the two first guard plates is rounded.

[0017] The utility model also provides a battery pack comprising the copper bar shield provided by any of the above technical solutions.

[0018] Compared with the prior art, the copper bar shield provided by the utility model has the following advantages: the series copper bar and the parallel copper bar enter the copper bar shield from two apertures respectively, the top plate, the second guard plate and the two first guard plates protect the copper bar from multiple directions, the insulation protection area of the series copper bar and the parallel copper bar at the cross joint is increased, sufficient insulation protection and safety protection can be provided, and safety hazards can be effectively avoided; the first buckles on the two first guard plates are respectively connected to the outer sides of the two copper bars, the second buckle on the second guard plate is connected to the inner side of the cross joint of the two copper bars, the copper bars are fixed from three directions, and thus the copper bars can be effectively locked and prevented from falling off.

[0019] The battery pack can produce the same technical effects. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the provided drawings.

[0021] Fig. 1 The structure diagram of the copper bar shield provided by the embodiments of the utility model is shown in the figure.

[0022] Fig. 2 The installation diagram of the copper bar shield provided by the embodiments of the utility model is shown in the figure.

[0023] Figs. 1-2 The reference numerals in the figure are as follows: 10, copper bar shield; 11, top plate; 12, first guard plate; 121, first buckle; 13, second guard plate; 131, second buckle; 14, aperture; 15, limiting column; 20, battery; 21, fastener; 22, series copper bar; 23, parallel copper bar; 24, battery pole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] In order for the skilled in the art to better understand the utility model scheme, the utility model will be further described below with reference to the drawings and specific embodiments.

[0026] The utility model provides a kind of copper bar shield 10 and battery pack, can be from multiple directions to the cross combination part of series copper bar 22 And the insulation protection of parallel copper bar 23, avoid to produce security risk.

[0027] Please refer to Figs. 1-2 The copper bar shield 10 provided by the utility model includes top plate 11, two first protective plates 12 and second protective plate 13;Two first protective plates 12 are fixedly arranged on top plate 11, two first protective plates 12 are vertically arranged, two first protective plates 12 are connected, and two first protective plates 12 and top plate 11 form a cover body structure, and the inner side of first protective plate 12 is provided with first buckle 121;Second protective plate 13 is fixedly arranged on top plate 11, located on the side of top plate 11 provided with first protective plate 12, second protective plate 13 is provided with second buckle 131, second protective plate 13 and first protective plate 12 form gap 14, and gap 14 is used for copper bar to enter copper bar shield 10;Wherein, first buckle 121 and second buckle 131 are used for fixing copper bar.

[0028] Second protective plate 13 and two first protective plates 12 form two gaps 14, respectively for series copper bar 22 And parallel copper bar 23 enter copper bar shield 10 from two directions, when using, top plate 11, second protective plate 13 and two first protective plates 12 protect copper bar from multiple directions, increase the insulation protection area of the cross combination part of series copper bar 22 And parallel copper bar 23. First buckle 121 on two first protective plates 12 is respectively connected with the outer side of two copper bars, and second buckle 131 on second protective plate 13 is connected with the inner side of the cross combination of two copper bars, so as to fix copper bar from three directions, thereby realizing effective locking of copper bar.

[0029] In this way, sufficient insulation protection can be provided for the combination of the upper and lower copper bars in the stacked copper bars, and the copper bars are effectively fixed.

[0030] It should be understood that the copper bars are in bare state at their end portions for connection with other copper bars or battery poles 24, and the other portions of the copper bars are provided with insulation protection layer, thus, when the series copper bars 22 and the parallel copper bars 23 are connected, only the intersection joint of the series copper bars 22 and the parallel copper bars 23 needs to be protected, and the other portions of the copper bars do not need to be protected.

[0031] Please refer to Figs. 1-2 , the intersection angle between the second protection plate 13 and the two first protection plates 12 is 45°, when the series copper bars 22 and the parallel copper bars 23 are stacked, the series copper bars 22 and the parallel copper bars 23 are generally arranged vertically, the intersection angle between the second protection plate 13 and the two first protection plates 12 is set to 45°, the structure on both sides of the second protection plate 13 is symmetrically distributed, so that the copper bar protection cover 10 corresponds to the arrangement mode of the series copper bars 22 and the parallel copper bars 23, after the series copper bars 22 and the parallel copper bars 23 enter the copper bar protection cover 10 from the two apertures 14 respectively, the intersection joint of the series copper bars 22 and the parallel copper bars 23 is fully protected.

[0032] Please refer to Figs. 1-2 , the side of the top plate 11 provided with the first protection plate 12 is provided with a plurality of limiting columns 15, in this way, after the copper bar protection cover 10 covers the intersection joint of the series copper bars 22 and the parallel copper bars 23 from above, the bottom end of the limiting column 15 can abut against the top of the copper bar to limit, so as to further effectively fix the copper bar.

[0033] Please refer to Figs. 1-2 , the plurality of limiting columns 15 are arranged in a rectangular array, the plurality of limiting columns 15 jointly limit the copper bar through abutment, which is stable and reliable. In other embodiments, the plurality of limiting columns 15 can also be arranged in a circular array or other uniform distribution mode, which is not limited in particular.

[0034] Please refer to Figs. 1-2 , the cross section of the first buckle 121 and / or the second buckle 131 is L-shaped or T-shaped, after the copper bar protection cover 10 covers the intersection joint from above, the first buckles 121 on the two first protection plates 12 are buckled with the outside of the intersection joint of the copper bar, and the second buckles 131 on the second protection plate 13 are buckled with the inside of the intersection joint of the copper bar, so as to fix the copper bar from three directions, thereby effectively locking the copper bar. The copper bar is effectively fixed by buckling the first buckles 121 and the second buckles 131 with the copper bar, which is low in processing cost and convenient to assemble and disassemble.

[0035] Preferably, the top plate 11, the first protective plate 12 and the second protective plate 13 are made of flame-retardant ABS material. Compared with using epoxy resin plates, the raw material cost and injection molding process cost of the flame-retardant ABS material are lower, thereby ensuring the cost market competitive advantage, and the copper bar shroud 10 can be recycled and used, which is more environmentally friendly.

[0036] For reference Figs. 1-2 The gap 14 is a rectangular gap 14, and the copper bar has a rectangular structure. The shape of the rectangular gap 14 is matched with that of the copper bar. After the copper bar shroud 10 covers the copper bar from above, the first protective plate 12 and the second protective plate 13 surround the copper bar from both sides, so that the copper bar can be fully protected.

[0037] For reference Figs. 1-2 The connecting part of the two first protective plates 12 is provided with a rounded corner. The rounded corner processing can reduce the abrasion when stressed, reduce the risk of abrasion and brittle fracture, and thereby reduce the maintenance and replacement costs. In addition, during the installation, disassembly and transportation of the copper bar shroud 10, the rounded corner design can reduce the friction and collision between them, and reduce the damage and cost of the parts.

[0038] For reference Fig. 2 When the storage battery 20 is used in series, the series copper bar 22 is first placed on the battery post 24 of the storage battery 20, and then the parallel copper bar 23 is vertically placed on the top of the series copper bar 22. Then, the two are fixed firmly with the battery post 24 through the fastener 21. Finally, the copper bar shroud 10 is buckled to the intersection of the series copper bar 22 and the parallel copper bar 23. The copper bar shroud 10 covers the exposed part of the copper bar end, and the first buckle 121 on the two first protective plates 12 is clamped with the outer side of the copper bar, and the second buckle 131 on the second protective plate 13 is clamped with the inner side of the copper bar. The copper bar is fixed from three directions, thereby realizing effective locking of the copper bar. In this embodiment, the fastener 21 is a connecting bolt, which is connected tightly and is convenient to assemble and disassemble. The fastener 21 can also use a connecting screw, and the specific type is not limited.

[0039] The utility model also provides a kind of storage battery group, including the copper bar shroud 10 provided by any one of the above technical solutions. The storage battery 20 is one of lead-acid battery, lithium ion battery, sodium ion battery and solid-state battery, and the storage battery group is composed of group lead-acid battery, lithium ion battery, sodium ion battery and solid-state battery through copper bar series and parallel connection, and is provided with copper bar shroud 10 for protection.

[0040] The copper bar shield 10 provided by the utility model, the top plate 11, the second protective plate 13 and the two first protective plates 12 protect the copper bar from multiple directions, and the insulation protection area of the cross combination part of the series copper bar 22 and the parallel copper bar 23 is increased; the first buckle 121 on the two first protective plates 12 is clamped with the outer side of the copper bar, the second buckle 131 on the second protective plate 13 is clamped with the inner side of the copper bar, the cross combination part of the series copper bar 22 and the parallel copper bar 23 is fixed from three directions, so that the effective locking of the copper bar can be realized.

[0041] It should be noted that the relative terms, such as first and second, in the present description are used only to differentiate one entity from another entity, and do not necessarily require or imply that there is any such actual relationship or order between these entities.

[0042] The principles and implementation modes of the utility model are described by applying specific examples in the present document, and the above description of the examples is only used to help understand the method of the utility model and its core idea. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the utility model without departing from the principles of the utility model, and these improvements and modifications also fall within the protection scope of the utility model.

Claims

1. A copper bar shroud characterized by, The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover.

2. The copper bar shield of claim 1, wherein, The application relates to a copper bar protection cover.

3. The copper bar shield of claim 2, wherein, The application relates to a copper bar protection cover.

4. The copper bar shield of claim 3, wherein, The application relates to a copper bar protection cover.

5. The copper bar shield of claim 1, wherein, The application relates to a copper bar protection cover.

6. The copper bar shield of claim 1, wherein, The application relates to a copper bar protection cover.

7. The copper bar shield of claim 1, wherein, The application relates to a copper bar protection cover.

8. The copper bar shield of claim 1, wherein, The application relates to a copper bar protection cover.

9. A battery pack characterized by The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper bar protection cover. The application relates to a copper

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