Battery box

Abstract

The utility model relates to a battery box, the battery box comprises a box body, the box body comprises a containing cavity and a mounting cavity, the containing cavity is communicated with the mounting cavity, and a first light-transmitting area is arranged on a first side wall of the mounting cavity; the battery cell is arranged in the accommodating cavity; the lamp box is arranged in the installation cavity so that the containing cavity can be isolated from the installation cavity, a light-emitting element in the lamp box is electrically connected with the battery cell, a second light-transmitting area is arranged on the lamp box, and the position of the first light-transmitting area corresponds to the position of the second light-transmitting area. And the lamp box and the battery cell are arranged in different cavities in the box body, so that the sealing of the battery cell is not influenced when the lamp box is maintained and replaced.

Description

Technical Field

[0001] The present application relates to the technical field of battery pack boxes, and in particular to a battery box. Background Art

[0002] A power lithium battery PACK box refers to a combined battery box, which is composed of two or more battery cells connected in series or parallel, and then packaged and encapsulated into a power battery box for energy storage and discharge.

[0003] In the related art, an indicator light hole is provided on the outer surface of the battery box, and an indicator light is installed in the indicator light hole. The indicator light is powered by the internal battery cell. When the indicator light needs to be maintained, the upper cover of the battery box needs to be opened for maintenance, which makes maintenance difficult. In addition, once the appearance of the indicator light is damaged, it is easy to cause the sealing of the battery box to the battery cell to fail. Utility Model Content

[0004] Based on this, the present application proposes a battery box to address the sealing problem of the battery box to the battery cells.

[0005] According to one aspect of the present application, a battery box is proposed, comprising: a box body, the box body comprising a accommodating cavity and an installation cavity, the accommodating cavity is communicated with the installation cavity, and a first light-transmitting area is arranged on a first side wall of the installation cavity; a battery cell, the battery cell is arranged in the accommodating cavity; and a light box, the light box is arranged in the installation cavity to isolate the accommodating cavity from the installation cavity, the light-emitting element in the light box is electrically connected to the battery cell, and a second light-transmitting area is arranged on the light box, wherein the positions of the first light-transmitting area and the second light-transmitting area correspond to each other.

[0006] In the above-mentioned battery box, the box body is provided with a receiving cavity and an installation cavity, which are used to install the battery cell and the light box respectively. In this way, after the battery box is assembled, the light box and the battery cell are installed in different chambers in the box body, so the sealing of the battery cell is not affected when the light box is maintained. In addition, the light emitted by the light box forms an indication effect on the outer surface of the box body through the first light-transmitting area. Compared with the related art, the light box can be not directly exposed to the outer surface of the box body, so there is no risk of the battery box sealing failure due to damage to the appearance.

[0007] In some embodiments, the first side wall of the accommodating cavity includes a detachable first cover plate, and the second side wall of the installation cavity includes a detachable second cover plate.

[0008] In some embodiments, the lamp box is connected to the second cover plate; or the lamp box is fixed in the mounting cavity under the support of the lamp box.

[0009] In some embodiments, the first side wall of the accommodating cavity is the top of the box body; the first side wall of the installation cavity is the side wall of the box body; and the second side wall of the installation cavity is the bottom of the box body.

[0010] In some embodiments, the accommodating cavity and the installation cavity are separated in the box by a partition wall, and a connecting hole is provided on the partition wall, and the connecting hole connects the accommodating cavity and the installation cavity; the top of the lamp box is arranged at the connecting hole to isolate the accommodating cavity from the installation cavity.

[0011] In some embodiments, the top of the light box is detachably connected to the partition wall.

[0012] In some embodiments, the battery box further includes a light diffuser, and at least a portion of the light diffuser is located between the first light-transmitting area and the second light-transmitting area.

[0013] In some embodiments, the first light-transmitting area is provided with a notch, and the light diffuser is inserted into the notch.

[0014] In some embodiments, the light diffuser plate has a channel penetrating the light diffuser plate, and the light box is disposed in the channel.

[0015] In some embodiments, the light box is a transparent light box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] FIG. 1 is a three-dimensional schematic diagram of a battery box provided in an embodiment of the present application.

[0017] FIG. 2 is a schematic cross-sectional view of the battery box of FIG. 1 along its height direction.

[0018] FIG. 3 is a schematic cross-sectional view of the battery box of FIG. 1 .

[0019] Description of reference numerals:

[0020] 100, battery box; 10, box body; 101, accommodating cavity; 1011, first opening; 102, installation cavity; 1021, second opening; 103, first light-transmitting area; 1031, notch; 110, bottom plate; 111, groove; 120, side plate; 130, partition wall; 131, connecting hole; 132, first wall; 1321, recessed area; 133, second wall; 20, battery cell; 30, lamp box; 310, second light-transmitting area; 320, light-emitting element; 321, wire; 40, first cover plate; 50, second cover plate; 60, sealing ring; 70, light-dispersing plate; 710, channel. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0022] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0023] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0024] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0025] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0026] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0027] FIG1 is a three-dimensional schematic diagram of a battery box provided in an embodiment of the present application. FIG2 is a cross-sectional schematic diagram of the battery box of FIG1 along its height direction. As shown in the placement posture of FIG2, the height direction is along the up-down direction. FIG3 is a cross-sectional schematic diagram of the box body of the battery box of FIG1.

[0028] 1 and 2 , an embodiment of the present application provides a battery box 100 , which includes a box body 10 , battery cells 20 and a light box 30 .

[0029] 2 and 3 , the housing 10 includes a receiving cavity 101 and an installation cavity 102. The receiving cavity 101 is connected to the installation cavity 102. A first light-transmitting area 103 is provided on a first side wall of the installation cavity 102. The battery cell 20 is provided in the receiving cavity 101. The number of the battery cell 20 is usually at least one.

[0030] The lamp box 30 is arranged in the installation cavity 102 so that the accommodating cavity 101 is isolated from the installation cavity 102. The light-emitting element 320 in the lamp box 30 is electrically connected to the battery cell 20. A second light-transmitting area 310 is arranged on the lamp box 30, wherein the positions of the first light-transmitting area 103 and the second light-transmitting area 310 correspond. Here, corresponding means that the positions of the first light-transmitting area 103 and the second light-transmitting area 310 are configured such that the light emitted by the light-emitting element 320 can pass through the first light-transmitting area 103 and the second light-transmitting area 310 in sequence and then be emitted to the outside. After the light emitted by the light-emitting element 320 passes through the second light-transmitting area 310, the second light-transmitting area 310 forms a light indication area on the outer surface of the box body 10. The type of the light-emitting element 320 is not limited, such as an LED lamp or an incandescent lamp. The light-emitting element 320 is connected to the battery cell 20 through a wire 321.

[0031] The formation method of the first light-transmitting area 103 is not limited, such as a hollow area or a transparent area. The position and shape of the first light-transmitting area 103 can be various. Exemplarily, the first light-transmitting area 103 extends along the circumference of the box body 10 and is arc-shaped. In addition, the first light-transmitting area 103 can pass through the corners of the box body 10 in the circumferential direction to extend on different side walls.

[0032] The second light-transmitting area 310 is configured to be light-transmitting, and the second light-transmitting area 310 can maintain the sealing inside the lamp box 30. Exemplarily, the second light-transmitting area 310 is a glass plate fixed on the lamp box 30. A light guide may be provided between the second light-transmitting area 310 and the first light-transmitting area 103, and the light guide may be, for example, a light homogenizing plate 70.

[0033] After the battery box 100 is assembled, the light box 30 and the battery cells 20 are installed in different chambers in the box body 10. The light emitted by the light box 30 passes through the first light-transmitting area 103 and forms an indication effect on the outer surface of the box body 10. Compared with the related art, the light box 30 is not directly exposed to the outer surface of the box body 10, so there is no risk of sealing failure of the battery box 100 due to damage to the appearance.

[0034] Furthermore, in the related art, the shape of the indicator light on the outer surface of the box is set to an arc extending along the circumference of the box so that the indicator light can be observed from different directions. However, at this time, the indicator light needs to go around the corners between different side walls of the box, making the appearance of the indicator light easily damaged during use. In the present application, as described above, when the shape of the first light-transmitting area 103 is set to an arc, even if the appearance of the first light-transmitting area 103 is damaged, the light box 30 still isolates the accommodating cavity 101 from the mounting cavity 102, and does not affect the sealing of the battery box 100 to the battery cell 20.

[0035] In some embodiments, referring to FIG. 2 and FIG. 3 , the first side wall of the accommodating cavity 101 includes a detachable first cover plate 40, and the second side wall of the installation cavity 102 includes a detachable second cover plate 50. For example, the first cover plate 40 can be detachably disposed on the first side wall of the accommodating cavity 101 by means of screw connection, snap connection, etc. For example, the second cover plate 50 can be detachably disposed on the second side wall of the installation cavity 102 by means of screw connection, snap connection, etc.

[0036] After the first cover plate 40 is removed, a first opening 1011 is formed on the first side wall of the accommodating cavity 101, and the battery cell 20 can be placed in the accommodating cavity 101 or taken out from the accommodating cavity 101 through the first opening 1011. After the second cover plate 50 is removed, a second opening 1021 is formed on the second side wall of the installation cavity 102, and the lamp box 30 can be placed in the installation cavity 102 or taken out from the installation cavity 102 through the second opening 1021. In this way, the installation and maintenance of the battery cell 20 and the installation and maintenance of the lamp box 30 do not interfere with each other, and when maintaining the lamp box 30, it is not necessary to open the first cover plate 40 that seals the battery cell 20, which is simpler than the related art.

[0037] The second cover plate 50 closes the second opening 1021, which not only makes the appearance of the box 10 neat, but also isolates the lamp box 30 from the outside to prevent the lamp box 30 from being easily damaged. Preferably, after the second cover plate 50 is connected to the box 10, the surface of the second cover plate 50 is flush with the outer surface of the box 10. Specifically, a groove 111 is provided on the bottom plate 110 of the box 10. The second cover plate 50 is accommodated in the groove 111, and the thickness of the second cover plate 50 is consistent with the depth of the groove 111.

[0038] In some embodiments, referring to FIG. 2 , the lamp box 30 is connected to the second cover plate 50 ; or the lamp box 30 is fixed in the mounting cavity 102 under the support of the lamp box 30 .

[0039] Specifically, the lamp box 30 can be connected to the second cover plate 50 as a whole. After the second cover plate 50 is installed on the second side wall of the installation cavity 102, the lamp box 30 is installed and fixed in the installation cavity 102. This method is convenient and quick when installing the lamp box 30, and the lamp box 30 has better stability after installation.

[0040] The lamp box 30 can also be fixed in the mounting cavity 102 under the support of the lamp box 30. During assembly, the lamp box 30 is first placed in the mounting cavity 102, and then the second cover plate 50 is installed. At this time, preferably, the lamp box 30 is made of an elastic material. The lamp box 30 has elastic deformation capability as a whole. When the second cover plate 50 fixes the lamp box 30 in the mounting cavity 102, the lamp box 30 can be deformed to a certain extent, so as to be tightly against the cavity wall of the mounting cavity 102.

[0041] Further, in some embodiments of the present application, the first side wall of the accommodating cavity 101 is the top of the box body 10; the first side wall of the installation cavity 102 is the side wall of the box body 10; and the second side wall of the installation cavity 102 is the bottom of the box body 10. In other embodiments, the first side wall of the accommodating cavity 101 may also be the side wall of the box body 10. Referring to FIG. 2 , the first side wall may be set as the side wall of the right side of the box body 10, and in this case, the first cover plate 40 is also set on the side wall of the right side of the box body 10.

[0042] The first side wall of the accommodating cavity 101 is the top of the box body 10, so the first opening 1011 is formed at the top of the box body 10. The battery cell 20 can be placed into the accommodating cavity 101 from the top side of the box body 10. Therefore, the design structure of placing the battery cell from the top side of the traditional battery box is not changed, and no major adjustments are required in the design, thereby reducing the modification cost.

[0043] In addition, the common posture of the battery box 100 is shown in Figure 2. The height direction of the battery box 100 is along the vertical direction, and the first side wall of the installation cavity 102 is the side wall of the box body 10. Therefore, the first light-transmitting area 103 is arranged on the side wall of the box body 10. The light indication area formed at this time is convenient for users to observe in the horizontal direction.

[0044] Exemplarily, referring to FIG. 1 and FIG. 3 , the box body 10 is roughly in the shape of a rectangular parallelepiped. The box body 10 includes a bottom plate 110 and four side plates 120 connected to the bottom plate 110. The four side plates 120 are connected end to end in sequence to form a ring structure. The four side plates 120 surround a first opening 1011; and the four side plates 120 constitute the side wall of the box body 10. When the first cover plate 40 is assembled to the four side plates 120, the first opening 1011 is closed at the same time. The top surfaces of the four side plates 120 in the height direction and the first cover plate 40 together form the first side wall of the accommodating cavity 101 and constitute the top of the box body 10. The bottom plate 110 constitutes the bottom of the box body 10. In other embodiments, the box body 10 may also include a top plate. The top plate constitutes the first side wall of the accommodating cavity 101. At this time, a first opening 1011 is provided on the top plate. The first cover plate 40 closes the first opening 1011 when assembled to the top plate.

[0045] In some embodiments, referring to FIG. 2 and FIG. 3 , the accommodating cavity 101 and the mounting cavity 102 are separated in the box body 10 by a partition wall 130, and a connecting hole 131 is provided on the partition wall 130, and the connecting hole 131 connects the accommodating cavity 101 and the mounting cavity 102; the top of the lamp box 30 is arranged at the connecting hole 131 to isolate the accommodating cavity 101 from the mounting cavity 102. The partition wall 130 divides the inner cavity of the box body 10 into the accommodating cavity 101 and the mounting cavity 102. The shape of the partition wall 130 is not limited and is determined according to needs.

[0046] After the lamp box 30 is installed in the installation cavity 102, the top of the lamp box 30 is arranged at the communicating hole 131 to isolate the accommodating cavity 101 from the installation cavity 102. Specifically, the top of the lamp box 30 and the partition wall 130 are sealed to isolate the accommodating cavity 101 from the installation cavity 102.

[0047] As shown in FIG3 , the partition wall 130 includes a first wall 132 and a second wall 133 which are connected to each other and form an L-shaped structure as a whole. The first wall 132 is parallel to the bottom plate 110 of the box body 10, and the second wall 133 is parallel to the side plate 120 of the box body 10. A connecting hole 131 is provided on the first wall 132. Along the radial direction of the connecting hole 131, the size of the top of the lamp box 30 is larger than the diameter of the connecting hole 131, so that the top of the lamp box 30 and the first wall 132 around the connecting hole 131 can abut against each other, and then the two can be sealed.

[0048] As shown in FIG3 , the first wall 132 of the partition wall 130 is further provided with a recessed area 1321. The communication hole 131 is provided at the recessed area 1321. The top of the lamp box 30 is embedded and positioned in the recessed area 1321. When the lamp box 30 is installed, the inner wall of the recessed area 1321 can help the lamp box 30 to be quickly positioned, thereby realizing the rapid installation of the lamp box 30.

[0049] After the lamp box 30 is placed in the mounting cavity 102, a sealing arrangement is formed between the lamp box 30 and the first wall 132. There are many ways to implement the sealing arrangement between the lamp box 30 and the first wall 132.

[0050] For example, referring to FIG2 and FIG3, a sealing ring 60 is provided at the top of the lamp box 30, and the inner diameter of the sealing ring 60 is larger than the inner diameter of the communication hole 131. Further, for easy installation, the sealing ring 60 can be fixed on the top of the lamp box 30. Specifically, the sealing ring 60 can be attached to the top of the lamp box 30, or installed in an annular groove (not shown) at the top of the lamp box 30.

[0051] For another example, the top of the lamp box 30 itself is made of a flexible material. When the top of the lamp box 30 abuts against the first wall 132 , the flexible material is deformed by force, so that a seal is naturally formed between the top of the lamp box 30 and the first wall 132 .

[0052] In some embodiments, the top of the lamp box 30 is detachably connected to the partition wall 130. This method facilitates the installation and maintenance of the lamp box 30. The detachable connection method can be a snap connection, a concave-convex fitting connection, an adhesive connection, etc. For example, a plurality of protrusions are evenly distributed on the first wall 132 around the communication hole 131, and a plurality of grooves are provided on the top of the lamp box 30 for the plurality of protrusions.

[0053] In some embodiments, as shown in FIG. 2 , the battery box 100 further includes a light diffuser 70, at least part of which is located between the first light-transmitting area 103 and the second light-transmitting area 310. The light diffuser 70 can direct the light emitted by the light-emitting element 320 to the first light-transmitting area 103, so that the light can be evenly emitted from the first light-transmitting area 103, and then form an ideal indication effect on the outer surface of the box 10. For example, in a specific setting, the light diffuser 70 is located as a whole between the first light-transmitting area 103 and the second light-transmitting area 310, and the light diffuser 70 can be fixed to the first light-transmitting area 103 or the second light-transmitting area 310.

[0054] In some embodiments, as shown in FIG2 and FIG3, the first light transmission area 103 is provided with a notch 1031, and the light diffuser 70 is inserted into the notch 1031. The light diffuser 70 is directly inserted into the notch 1031 for positioning, so that the light diffuser 70 can be installed without using fixing parts such as screws or with fewer fixing parts.

[0055] Furthermore, the end of the light diffuser 70 is inserted into the notch 1031 and is flush with the outer surface of the housing 10. When the first light-transmitting area 103 is observed from the outside, the first light-transmitting area 103 and its vicinity are continuous and flat, thereby reducing the risk of damage to the light diffuser 70 and making the appearance neat.

[0056] In some embodiments, the light diffuser 70 has a channel 710 penetrating the light diffuser 70, and the light box 30 is disposed in the channel 710. When installing the light box 30, the channel 710 of the light diffuser 70 is used to guide and position the light box 30, thereby facilitating the installation of the light box 30.

[0057] Specifically, when installing the light diffuser 70 and the light box 30, the light diffuser 70 can be first fixed in the installation cavity 102, such as inserted in the notch 1031; and then the light box 30 is inserted into the channel 710 of the light diffuser 70. The channel 710 of the light diffuser 70 guides and pre-positions the installation of the light box 30, so as to facilitate the subsequent use of the first cover plate 40 to fix the light box 30 or directly fix the light box 30 to the first wall 132.

[0058] In some embodiments, the light box 30 is a transparent light box. For example, the light box 30 can be made of a transparent plastic plate. In this case, the second light-transmitting area 310 can be understood as the area on the light box 30 that is directly opposite to the first light-transmitting area 103. The light emitted by the light-emitting element 320 can pass through the light box 30 and then emit the first light-transmitting area 103. The entire light box 30 is transparent. When installing the light box 30, there is no need to consider the alignment of the second light-transmitting area 310 with the first light-transmitting area 103, and the installation of the light box 30 is relatively simple.

[0059] Finally, it should be noted that the various technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the various technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0060] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A battery box, characterized in that: The battery box comprises: A box body, the box body comprising a receiving cavity and a mounting cavity, the receiving cavity is communicated with the mounting cavity, and a first light-transmitting area is provided on a first side wall of the mounting cavity; A battery cell, wherein the battery cell is disposed in the accommodation cavity; and A light box is arranged in the installation cavity to isolate the accommodating cavity from the installation cavity, the light-emitting element in the light box is electrically connected to the battery core, and a second light-transmitting area is arranged on the light box, wherein the positions of the first light-transmitting area and the second light-transmitting area correspond to each other.

2. The battery box according to claim 1, characterized in that: The first side wall of the accommodating cavity includes a detachable first cover plate, and the second side wall of the installation cavity includes a detachable second cover plate.

3. The battery box according to claim 2, characterized in that: The lamp box is connected to the second cover plate; or the lamp box is fixed in the installation cavity under the support of the lamp box.

4. The battery box according to claim 1, characterized in that: The first side wall of the accommodating cavity is the top of the box body; the first side wall of the installation cavity is the side wall of the box body; and the second side wall of the installation cavity is the bottom of the box body.

5. The battery box according to claim 1, characterized in that: The accommodating cavity and the mounting cavity are separated in the box body by a partition wall, and a connecting hole is arranged on the partition wall, and the connecting hole connects the accommodating cavity and the mounting cavity; the top of the lamp box is arranged at the connecting hole to isolate the accommodating cavity from the mounting cavity.

6. The battery box according to claim 5, characterized in that: The top of the lamp box is detachably connected to the partition wall.

7. The battery box according to claim 1, characterized in that: The battery box further includes a light diffuser, at least a portion of which is located between the first light-transmitting area and the second light-transmitting area.

8. The battery box according to claim 7, characterized in that: The first light-transmitting area is provided with a notch, and the light-diffusing plate is inserted into the notch.

9. The battery box according to claim 8, characterized in that: The light diffuser plate has a channel penetrating the light diffuser plate, and the light box is disposed in the channel.

10. The battery box according to claim 1, characterized in that: The lamp box is a transparent lamp box.

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