CN211045521U

CN211045521U - Battery box, battery and electric vehicle

Info

Publication number: CN211045521U
Application number: CN201922029985.1U
Authority: CN
Inventors: 王晓闽; 刘政; 陈安平; 胡孟贤; 陈宗安
Original assignee: Changsha Une Electric Driving System Co ltd
Current assignee: Changsha Une Electric Driving System Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-17
Anticipated expiration: 2029-11-22

Abstract

The utility model relates to a battery box, battery and electric motor car. This battery box includes: the body is provided with an accommodating cavity and a window opening communicated with the accommodating cavity; the identification plate is detachably connected to the inner wall of the accommodating cavity and seals the window opening, and a mark is formed in the area of the identification plate corresponding to the window opening; and the waterproof sealant is arranged between the inner wall of the accommodating cavity and the marking plate. Above-mentioned battery box connects signboard detachable in the inner wall in holding chamber, and the regional shaping that the signboard corresponds the fenestrate hole on the body has the sign to the battery has been realized. Compared with the prior art, the utility model discloses a different sign board can be changed as required to the battery box to avoid influencing production flexibility and later maintenance because the sign on the battery box can't be changed.

Description

Battery box, battery and electric vehicle

Technical Field

The utility model relates to a battery technology field especially relates to a battery box, battery and electric motor car.

Background

Lithium batteries are generally classified into lithium metal batteries and lithium ion batteries, wherein the lithium ion batteries can be charged and have high energy density, and are widely applied to the field of electric vehicles.

In order to reduce the difficulty in managing a large number of batteries on site in the production process, improve the production efficiency and simultaneously facilitate the maintenance of the batteries at the later stage, the battery box is required to be marked by molding. In the conventional technology, the mark is generally directly formed on the outer surface of the battery box, such as injection molding or laser forming, and the like, so that the mark is inconvenient to change, and the production flexibility and later maintenance are affected.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a battery box, a battery and an electric vehicle which improve the above defects, aiming at the problems that the identification on the battery box in the prior art is not convenient to change and affects the production flexibility and the later maintenance.

A battery case, comprising:

the body is provided with an accommodating cavity and a window opening communicated with the accommodating cavity;

the mark plate is detachably connected to the inner wall of the accommodating cavity and closes the opening hole, and a mark is formed in the area of the mark plate corresponding to the opening hole; and the waterproof sealant is arranged between the inner wall of the accommodating cavity and the mark plate.

Above-mentioned battery box connects signboard detachable in the inner wall in holding chamber, and the regional shaping that the signboard corresponds the fenestrate hole on the body has the sign to the battery has been realized. Compared with the prior art, the utility model discloses a different sign board can be changed as required to the battery box to avoid influencing production flexibility and later maintenance because the sign on the battery box can't be changed.

In one embodiment, one side of the identification plate facing the opening hole is provided with a sealing groove which is arranged around the opening hole; the waterproof sealant is filled in the sealing groove.

In one embodiment, a boss is convexly arranged on one side of the identification plate facing the opening hole, corresponds to the opening hole and is used for forming the identification.

In one embodiment, a plurality of connecting columns are fixedly connected to the inner wall of the accommodating cavity, and the identification plate is detachably connected to the connecting columns.

In one embodiment, the battery box further comprises a plurality of locking members;

the sign board is seted up with a plurality of the spliced pole one-to-one's a plurality of fixed orificess, each the tip of spliced pole runs through the correspondence the fixed orifices, and with one retaining member detachably connects.

In one embodiment, the retaining member is threadably connected to the connecting post.

In one embodiment, a plurality of the fixing holes are arranged at intervals along the circumferential edge of the identification plate.

In one embodiment, the body includes a box body and a box cover, the box body has the accommodating cavity and an opening communicating with the accommodating cavity, the box cover covers the opening, and the window opening is opened in the box cover.

A battery comprises a battery module and the battery box in any embodiment, wherein the battery module is fixedly arranged in the accommodating cavity.

An electric vehicle comprising a battery as described in the above embodiments.

Drawings

Fig. 1 is a schematic structural diagram of a battery box according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a cover of the battery box shown in FIG. 1;

FIG. 3 is a schematic view of the other side of the cover shown in FIG. 2;

FIG. 4 is a schematic view of the construction of the identification panel of the battery box shown in FIG. 1;

fig. 5 is a schematic view of the other side of the sign board shown in fig. 4.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, fig. 3 and fig. 4, an embodiment of the present invention provides a battery box, which includes a body 10, a label plate 20 and a waterproof sealant (not shown).

The body 10 has a receiving cavity (not shown) and a window 142 communicating with the receiving cavity. The sign board 20 is detachably attached to the inner wall of the receiving chamber and closes the opening 142. The region of the sign board 20 corresponding to the fenestration 142 is shaped with a sign. Waterproof sealant is arranged between the inner wall of the accommodating cavity and the mark plate 20 to seal a gap between the mark plate 20 and the inner wall of the accommodating cavity, and the sealing performance of the battery box is ensured.

In the battery box, the identification plate 20 is detachably connected to the inner wall of the accommodating cavity, and the identification plate 20 is provided with the identification in the area corresponding to the opening hole 142 on the body 10, so that the identification of the battery is realized. Compared with the prior art, the utility model discloses a battery box can change different sign boards 20 as required to avoid influencing production flexibility and later maintenance because the sign on the battery box can't be changed.

Further, because the utility model discloses an open window hole 142 has been seted up on body 10 in the battery box, consequently for not influencing the leakproofness of body 10, be provided with waterproof sealed glue between the inner wall in signboard 20 and holding chamber in this embodiment. The waterproof sealant is used for sealing a gap between the marking plate 20 and the inner wall of the accommodating cavity, and preventing the influence on the sealing performance of the body 10 due to the opening hole 142 formed in the body 10.

In particular, in the embodiment, the side of the indicator panel 20 facing the opening 142 has a sealing groove 23 (see fig. 4). The seal groove 23 is disposed around the fenestration 142. The sealing groove 23 is filled with the waterproof sealant. Therefore, the sealing effect of the waterproof sealant is improved by the arrangement of the sealing groove 23, and the sealing performance of the body 10 is further improved.

Alternatively, the waterproof sealant may be silicone. It should be noted that the waterproof sealant is not limited to silica gel, and other waterproof sealants can be used, as long as the waterproof sealant can seal the gap between the identification plate 20 and the inner wall of the accommodating cavity, which is not limited herein.

Alternatively, the sign panel 20 may be made of an insulating and waterproof material, such as a nylon material. The sign panel 20 may be formed using an injection molding process. It is understood that the material of the sign board 20 is not limited to nylon material, and other insulating and waterproof materials can be used, and is not limited herein.

Alternatively, the identification panel 20 may be square. The sign board 20 may have other shapes in other embodiments, and is not limited herein.

In the embodiment, a projection 24 is protruded from a side of the sign board 20 facing the opening 142, and the projection 24 corresponds to the opening 142. Boss 24 is used to form the logo. As such, indicia are molded onto boss 24 corresponding to fenestration 142 for easy viewing by an operator.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, a plurality of connecting columns 144 (see fig. 3) are fixedly connected to an inner wall of the accommodating cavity, and the identification plate 20 is detachably connected to the connecting columns 144. Optionally, the connecting column 144 is press-riveted and welded to the inner wall of the accommodating cavity.

Referring to fig. 4 and 5, in an embodiment, the battery box further includes a plurality of locking members (not shown). The identification plate 20 is provided with a plurality of fixing holes 22 corresponding to the plurality of connecting posts 144. The end of each connecting post 144 extends through a corresponding securing hole 22 and is removably connected to a securing member to secure the sign 20 to the interior wall of the receiving cavity. In the embodiment shown in fig. 3 and 4, the number of the fixing holes 22 is 8. It is understood that the number of the fixing holes 22 is not limited to 8, and may be designed according to specific situations, and is not limited herein.

Further, a retaining member is threadably connected to the connecting post 144. Thus, the locking and the dismounting of the identification plate 20 can be realized by screwing the fastener, the mounting is stable, and the mounting and dismounting operations are convenient. More specifically, the connecting post 144 has external threads and the retaining member is a nut.

Further, the plurality of fixing holes 22 are arranged at intervals along the circumferential edge of the identification plate 20, so that the connection stability of the identification plate 20 is further improved.

Referring to fig. 1, 4 and 5, in an embodiment of the present invention, the main body 10 includes a box 12 and a box cover 14. The box 12 has a receiving chamber and an opening communicating with the receiving chamber. The cover 14 covers the opening, and the window 142 is opened in the cover 14. That is, the identification plate 20 is mounted to the side of the cover 14 facing the housing 12 to facilitate mounting and dismounting of the identification plate 20.

In particular, in the embodiment, the height dimension of the projection 24 protruding from the side surface of the identification plate 20 facing the opening 142 is smaller than or equal to the thickness dimension of the cover 14.

In the embodiment, the case 12 has a flange (not shown) at the opening periphery, and the flange has a plurality of through holes. The cover 14 is covered on the flange, and is screwed to the cover 14 by means of a threaded fastener passing through the corresponding through hole to fasten the cover 14 to the flange.

Further, in order to improve the waterproof sealing performance of the case 12, an elastic seal ring (not shown) is provided between the flange and the case lid 14. Optionally, the waterproof sealing ring may be a foamed silicone ring. It should be noted that the waterproof sealing ring may also be made of other materials, which is not limited herein.

In the embodiment of the present invention, the battery box further includes a pole plate 30 and two electrode poles 32. The housing 12 further has a mounting hole (not shown) communicating with the receiving cavity, and the pole plate 30 is fixedly mounted inside the housing 12 and seals the mounting hole. The post plate 30 is provided with two post holes (not shown) penetrating through opposite sides thereof. The two pole holes are arranged corresponding to the mounting holes. The two electrode posts 32 are respectively arranged through the two electrode post holes. The two opposite sides of the pole plate 30 are provided with a partition plate 34 in a protruding manner, and the partition plate 34 is located between the two pole holes.

Therefore, by arranging the pole column plate 30, installing the two electrode columns 32 in the pole column holes on the pole column plate 30 in a centralized manner, and arranging the isolation plate 34 between the two pole column holes for isolating the two electrode columns 32, the two electrode columns 32 are prevented from being short-circuited when being connected with an external circuit, so that the short circuit of the battery is avoided. Compared with the prior art, the two electrode posts 32 are prevented from being respectively arranged at the opposite corners of the battery box, the operation of a battery installer is facilitated, the difficulty in dismounting the battery is reduced, and the safety of the battery is ensured.

In a particular embodiment, the side of the pole plate 30 facing the mounting hole is provided with a collar plate 36. The shroud 36 extends out of the receiving cavity through the mounting hole and extends along the edge of the mounting hole. So, come to protect electrode column 32 through setting up bounding wall 36, effectively prevented that outside electrically conductive object from touching electrode column 32, further improved the security of battery.

In a specific embodiment, the side of the pole plate 30 facing the mounting hole has a recess (not shown). The groove is arranged around the mounting hole and filled with waterproof sealant, so that the waterproof grade of the box body 12 is improved. Thus, when the pole plate 30 is installed in the box body 12, the waterproof sealant is provided between the pole plate 30 and the inner wall of the box body 12, thereby ensuring the waterproof and sealing effect.

In particular embodiments, the electrode shaft 32 has threaded holes (not shown) at opposite ends. Therefore, the lead connected to the positive electrode or the negative electrode of the battery module can be fixedly connected to one end of the electrode column 32 in the accommodating cavity through the screw, so that the electrode column 32 is electrically connected with the positive electrode and the negative electrode of the battery module. Meanwhile, the guide fixed connection connected to the external circuit can be connected to one end of the electrode column 32 penetrating out of the mounting hole through a bolt, so that the electrode column 32 is electrically connected with the external circuit.

Further, the electrode column 32 may have a cylindrical shape and may be made of a stainless steel material. It is understood that the shape of the electrode column 32 is not limited to being cylindrical, and may be other shapes, and is not limited herein. The material of the electrode column 32 is not limited to stainless steel, and is not limited herein as long as it can perform a conductive function.

In an embodiment, the battery box further includes a positive electrode label (not shown) and a negative electrode label (not shown). Two identification holes have been seted up to utmost point post board 30, and two identification holes correspond two utmost point post holes respectively and lay, and anodal sign and negative pole sign fixed mounting are in two identification holes respectively for the polarity of two electrode posts 32 of sign, thereby avoid anodal and negative pole wiring mistake. Optionally, in order to enhance the identification function, the positive identification and the negative identification can be sprayed with different colors. For example, the positive pole is marked red and the negative pole is marked black.

The utility model discloses an in the embodiment, a plurality of through holes have been seted up to utmost point post board 30, and these a plurality of through holes are laid along utmost point post board 30's border interval. A plurality of studs are fixedly connected to the inner side of the box 12. The stud can be fixedly connected to the inner side of the box body 12 in a rivet pressing welding mode. The plurality of fixing holes 22 correspond to the plurality of studs one to one. Each stud is inserted through the corresponding through hole and is in threaded connection with a nut so as to lock and fix the pole plate 30 to the box body 12. In one embodiment, the number of through holes is 8. It should be understood that the number of the through holes is not limited to 8, and the through holes may be designed according to specific situations, and is not limited herein.

Referring to fig. 4, in an embodiment of the present invention, the mark on the mark plate 20 may include at least one of L OGO patterns 25, battery inquiry codes 28, battery inventory codes 27 and two-dimensional codes 26, wherein the layout positions of the L OGO patterns 25, the battery inquiry codes 28, the battery inventory codes 27 and the two-dimensional codes 26 on the mark plate 20 are not limited to the layout mode shown in fig. 4, and may also be adjusted according to actual design requirements, which is not limited herein.

It should be noted that the L OGO pattern 25 can be a company patent pattern, and can also be other patterns, which are not described herein, the battery inquiry code 28 can be a string of numeric codes, which is convenient for inquiring the battery usage information and status, it is noted that the battery inquiry code 28 is not only a numeric code, but also can be one or more combinations of numbers, english letters, roman letters, latin letters, etc., and is not limited herein, and the number of digits of the battery inquiry code 28 is not limited to only the 15-digit number shown in fig. 4, and can also be any other number of digits, which is not limited herein.

The battery stock code 27 may be composed of english letters and arabic numerals to facilitate battery storage and inquiry. It should be noted that the battery stock code 27 is not only an english alphabet and an arabic numeral code, but also one or more combinations of an english alphabet, an arabic numeral, a roman alphabet, a latin alphabet, and the like, and is not limited herein. The number of bits of the battery stock code 27 is not limited to the 19-bit number shown in fig. 4, and may be any other number of bits, and is not limited herein.

The information such as battery inquiry serial number can be directly obtained by scanning the two-dimensional code 26, and the battery can be conveniently tracked and managed during battery production.

Based on the battery box, the utility model also provides a battery. The battery comprises a battery module and the battery box in any embodiment. The battery module is fixedly arranged in the accommodating cavity.

Based on the above battery, the utility model also provides an electric motor car. The electric vehicle comprises the battery as described in any of the above embodiments. Specifically, the battery supplies electric energy for the running of the electric vehicle.

The electric vehicle may be a two-wheeled electric vehicle, a three-wheeled electric vehicle, or the like, and is not limited herein.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A battery box, comprising:

the mark plate is detachably connected to the inner wall of the accommodating cavity and closes the opening hole, and a mark is formed in the area of the mark plate corresponding to the opening hole; and

and the waterproof sealant is arranged between the inner wall of the accommodating cavity and the marking plate.

2. The battery box according to claim 1, wherein a side of the identification plate facing the opening hole has a seal groove provided around the opening hole; the waterproof sealant is filled in the sealing groove.

3. The battery box according to claim 1, wherein a boss is provided at a side of the identification plate facing the opening hole, and the boss corresponds to the opening hole, and the boss is used for forming an identification.

4. The battery box of claim 1, wherein a plurality of connecting posts are fixedly connected to the inner wall of the accommodating cavity, and the identification plate is detachably connected to the connecting posts.

5. The battery box of claim 4, further comprising a plurality of retaining members;

6. The battery box of claim 5, wherein the retaining member is threadably connected to the connecting post.

7. The battery box according to claim 5, wherein a plurality of the fixing holes are arranged at intervals along the circumferential edge of the identification plate.

8. The battery box according to any one of claims 1 to 7, wherein the body comprises a box body and a box cover, the box body is provided with the accommodating cavity and an opening communicated with the accommodating cavity, the box cover covers the opening, and the window opening is arranged on the box cover.

9. A battery, comprising a battery module and the battery box of any one of claims 1 to 8, wherein the battery module is fixedly mounted in the accommodating cavity.

10. An electric vehicle comprising the battery of claim 9.