CN219801175U

CN219801175U - Battery box and battery pack

Info

Publication number: CN219801175U
Application number: CN202320828989.XU
Authority: CN
Inventors: 刘玉
Original assignee: Shanghai Paizhi Energy Co ltd
Current assignee: Shanghai Paizhi Energy Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-10-03
Anticipated expiration: 2033-04-14

Abstract

The utility model belongs to the technical field of batteries, and discloses a battery box and a battery pack. The battery box comprises a battery box body, a light guide plate and a display mechanism, wherein the battery box body is provided with a containing cavity for containing battery monomers, and the battery box body is provided with a display window; the light guide plate is positioned in the battery box body and is sealed and attached to the display window; the display mechanism is fixed in the battery box body, the display part of the display mechanism is attached to the outer wall of the light guide plate, and the display part can be electrically connected with the battery unit. The battery box can be used on the surface to be convenient for a user to observe, has a simple structure and better waterproof performance, and has higher use safety and reliability.

Description

Battery box and battery pack

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery box and a battery pack.

Background

Electric vehicles, i.e. electrically driven vehicles, are also known as electrically driven vehicles. Electric vehicles are classified into ac electric vehicles and dc electric vehicles. In general, an electric vehicle uses a battery as an energy source, and converts electric energy into mechanical energy to move through a controller, a motor and other components, so as to control the current magnitude and change the speed.

Electric bicycle, electric motorcycle car and electric tricycle are the usual non-motorized vehicle with electric drive in life, and the power supply unit that its used mainly includes battery case and the inside battery unit of battery case, and the battery case surface is provided with battery information display structure and is used for showing battery information such as battery unit's electric quantity, perhaps is provided with the atmosphere lamp and is used for beautifying battery case surface, among the prior art, as the patent of publication number CN218160554U, this patent discloses an electric quantity demonstration waterproof construction and power battery, and it shows the electric quantity of battery through pilot lamp and printed circuit lamp board to can play certain waterproof function. Although the prior art provides a specific structure of the electric quantity indicating lamp, the problems that the structural design of the indicating lamp is complex, the requirement of high waterproof performance level cannot be met, and the like still exist, and certain potential safety hazard exists.

Accordingly, there is a need to provide a new battery case, so as to solve the above-mentioned technical problems.

Disclosure of Invention

The utility model aims to provide a battery box, which can be provided with a display structure on the surface of the battery box so as to be convenient for a user to observe, has a simple structure, better waterproof performance and higher use safety and reliability.

To achieve the purpose, the utility model adopts the following technical scheme:

the battery box comprises a battery box body, a light guide plate and a display mechanism, wherein the battery box body is provided with a containing cavity for containing battery monomers, and the battery box body is provided with a display window; the light guide plate is positioned in the battery box body and is sealed and attached to the display window; the display mechanism is fixed in the battery box body, the display part of the display mechanism is attached to the outer wall of the light guide plate, and the display part can be electrically connected with the battery unit.

Optionally, the display part includes at least two lamp panels that set up in order, and the aforesaid display window includes a plurality of display port with above-mentioned lamp panel one-to-one, and the aforesaid light guide plate includes a plurality of light guide protrusion with the aforesaid display port one-to-one.

Optionally, the display mechanism further includes a backlight plate, and the lamp plate is sandwiched between the backlight plate and the light guide plate.

Optionally, the battery case body includes an upper cover and a lower cover, the two side walls of the lower cover, which are oppositely arranged, are both provided with the display window, and the light guide plate is fixed on the display window through secondary injection molding.

Optionally, the inner bottom wall of the lower cover and two inner side walls of the upper cover, which are opposite to each other, are both provided with a fixing rib in a protruding manner, and the display mechanism is sandwiched between the fixing rib and the light guide plate.

Optionally, one of the upper cover and the lower cover is provided with a fixing buckle, the other is provided with a buckle hole, and the fixing buckle can be buckled in the buckle hole.

Optionally, a touch switch is further disposed on an outer wall of the battery case body, and the touch switch is used for controlling the display part to be opened and closed.

Optionally, a TAP-C module is further disposed in the battery case body, and one end of the TAP-C module is electrically connected to the battery cell, and the other end of the TAP-C module is electrically connected to an external device.

Optionally, the TAP-C module is provided with a dust plug.

Another object of the present utility model is to provide a battery pack, which includes the battery case according to any one of the above aspects and a plurality of battery cells, wherein the battery cells are disposed in the battery case body. The battery pack has better waterproof performance, higher overall use reliability and improved use safety.

It is a further object of the present utility model to provide an electrical device comprising a battery pack as defined in any one of the above aspects. When the battery pack is used in the electric equipment, the use safety and reliability of the electric equipment are improved, and the cost is reduced.

The beneficial effects are that:

the light guide plate of the battery box is sealed and attached to the display window, so that a user can directly observe the display mechanism inside the battery box body from the display window, the sealing performance of the display window can be ensured, the waterproof and dustproof effects are achieved, the structure is simpler, the waterproof effect is better, the use safety of the battery box is improved, and the reliability of the battery box in use is ensured. Meanwhile, the light source emitted by the display mechanism can be more uniform, the light guide effect is achieved, and the display window can be more clearly observed when a user looks at the display window.

Drawings

Fig. 1 is an isometric view of a battery case body provided in an embodiment of the present utility model;

fig. 2 is a disassembled view of a battery case body according to an embodiment of the present utility model;

fig. 3 is an exploded view of a battery pack according to an embodiment of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a partial enlarged view at B in fig. 3.

In the figure:

100. a battery case body; 101. a handle; 1011. an upper handle hole; 1012. a lower handle hole; 1021. a fixing buckle; 1022. a snap hole; 103. a TAP-C module; 1031. a dust plug; 1032. a module fixing bolt;

110. an upper cover; 111. a touch switch; 120. a lower cover; 121. displaying a window; 1211. a display port; 1212. injection molding the bulge; 122. fixing the convex ribs; 123. a support rail;

200. a light guide plate; 210. a light guide protrusion; 300. a display mechanism; 310. a lamp panel; 320. a backlight plate; 400. and a battery assembly.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1 and 2, the battery case in the present embodiment is formed by a battery case body 100, and the battery case body 100 is formed by buckling an upper cover 110 and a lower cover 120, so as to form a receiving cavity for receiving a battery cell. Specifically, the battery case body 100 is further provided with a handle 101, the handle 101 is formed by fastening an upper handle hole 1011 of the upper cover 110 and a lower handle hole 1012 of the lower cover 120, and the handle 101 is provided to facilitate the user to carry and disassemble the power supply device of the battery case. Further, in the present embodiment, one of the upper cover 110 and the lower cover 120 is provided with a fixing buckle 1021, and the other is provided with a buckle hole 1022, and the fixing buckle 1021 can be buckled with the buckle hole 1022; specifically, the upper cover 110 is provided with a fixing buckle 1021, and the lower cover 120 is provided with a buckle hole 1022. The fixing buckle 1021 and the buckle hole 1022 are suitable for buckling and fixing the upper cover 110 and the lower cover 120, the fixing mode is simple and convenient, the fixing mode is easy to detach, the fixing effect is more stable and reliable, and the use reliability of the battery box is improved. Further alternatively, a sliding groove is further formed in the bottom of the lower cover 120, a supporting guide rail 123 is slidably connected in the sliding groove, and the supporting guide rail 123 is used for bearing the weight of the whole battery box and the battery cells in the battery box when the battery box is placed, so that the strength of the battery box is improved.

As shown in fig. 3, the battery case further includes a light guide plate 200 and a display mechanism 300, and the battery case body 100 is provided with a display window 121; the light guide plate 200 is positioned inside the battery case body 100 and is sealed and attached to the display window 121; the display mechanism 300 is fixed inside the battery case body 100, and a display portion of the display mechanism 300 is attached to the outer wall of the light guide plate 200, and the display portion can be electrically connected to the battery cell.

In this embodiment, since the light guide plate 200 of the battery case is sealed and attached to the display window 121, the user can directly observe the display mechanism 300 inside the battery case body 100 from the display window 121, and can also ensure the sealing performance of the display window 121, so as to achieve the waterproof and dustproof effects, and the structure is simpler, and the waterproof effect is better, thereby improving the use safety of the battery case and ensuring the reliability when the battery case is used. The light guide plate 200 in this embodiment is a plate made of an optical-grade light guide PC (polycarbonate plate), so that the light source emitted by the display mechanism 300 is more uniform, and the light guide plate plays a role in light guide, so that a user can observe the display window 121 more clearly when looking at the display window.

Optionally, the display portion includes at least two sequentially arranged light panels 310, the display window 121 includes a plurality of display openings 1211 corresponding to the light panels 310 one by one, and the light guide plate 200 includes a plurality of light guide protrusions 210 corresponding to the display openings 1211 one by one. The plurality of lamp panels 310 are arranged, so that the manufacturing difficulty of the display part can be reduced, the structure of the display part is simpler, the production cost is reduced, the display mode is more visual, and the display mode is convenient for a user to directly observe.

In a preferred embodiment, the display mechanism 300 further includes a backlight plate 320, and the lamp plate 310 is sandwiched between the backlight plate 320 and the light guide plate 200. The backlight panel 320 can improve the brightness and uniformity of the lamp panel 310, and further facilitate the user to directly observe whether the lamp panel 310 emits light from the display port 1211.

In this embodiment, the display part is a plurality of light panels 310, and the light panels 310 can be used for the atmosphere lamp function of the battery box when emitting light, and the plurality of light panels 310 can flash, horse race lamp, etc., so as to realize the on-off, brightness change and color change of the display part, and make the battery box more beautiful when using. Of course, the display portion may also be a display screen for displaying information such as the electric quantity and the voltage of the battery, which will not be described herein.

Further, the battery case body 100 includes an upper cover 110 and a lower cover 120, the display window 121 is formed on two opposite sidewalls of the lower cover 120, and the light guide plate 200 is fixed to the display window 121 by two-shot molding. The two display windows 121 enable a user to observe the display part from any direction, so that the display device is more convenient and attractive; because the light guide plate 200 is secondarily injection-molded on the display window 121, not only can the tightness between the light guide plate 200 and the display window 121 be realized, but also the molding mode is simple and convenient, and the mechanical strength of the lower cover 120 can be improved. As shown in fig. 4, at the display window 121 and on the inner side wall surface of the lower cover 120, a plurality of injection molding protrusions 1212 are provided, so that when the light guide plate 200 is secondarily injection molded on the display window 121, the connection stability between the light guide plate 200 and the display window 121 is improved by using the injection molding protrusions 1212; the injection molding protrusion 1212 is further provided with a tapered extension portion at one end thereof away from the display window 121, thereby further improving connection reliability between the light guide plate 200 and the display window 121 and improving overall strength of the lower cover 120.

Alternatively, as shown in fig. 2 and 4, the inner bottom wall of the lower cover 120 and two inner side walls of the upper cover 110 opposite to each other are each provided with a fixing rib 122, and the display mechanism 300 is sandwiched between the fixing rib 122 and the light guide plate 200. When the upper cover 110 and the lower cover 120 are buckled, the internal fixing ribs 122 can clamp and fix the display mechanism 300 on the light guide plate 200, the fixing mode is simple and convenient, the installation efficiency can be improved, and meanwhile, the fixing mode is more stable; further, the fixing ribs 122 are provided in plurality, so that the fixing reliability of the display mechanism 300 can be further improved, which will not be described herein.

Optionally, a TAP-C module 103 is further disposed in the battery case body 100, and one end of the TAP-C module 103 is electrically connected to the battery cell, and the other end of the TAP-C module is electrically connected to an external device, and the TAP-C module is further provided with a dust plug 1031. The TAP-C module 103, namely the Type-C module, can ensure that the battery unit in the battery box body 100 supplies power to external equipment by using a Type-C charge-discharge protocol, has a faster discharge rate and can be adapted to most electric equipment. The TAP-C module 103 is fixed inside the lower cover 120 through two module fixing bolts 1032, the TAP-C module 103 is directly arranged on the side wall of the lower cover 120 in a penetrating manner, and a dust plug 1031 is arranged on the outer wall of the lower cover 120 and at a position corresponding to the TAP-C module 103, so that water or dust entering of the TAP-C module 103 can be prevented, and safe operation of the TAP-C module 103 is ensured.

The present embodiment also provides a battery pack, which includes a battery case according to any one of the above schemes and a plurality of battery cells, where the battery cells are disposed in the battery case body 100. The battery pack is lower in manufacturing cost, higher in overall use reliability and improved in use safety.

Specifically, as shown in fig. 3, several battery cells in the present embodiment together form a battery assembly 400, and the battery assembly 400 is detachably connected with the lower cover 120, specifically, the battery assembly 400 is fixed in the lower cover 120 by bolts, and then the upper cover 110 is fastened, thereby forming a battery pack in the present embodiment; the upper cover 110 is further provided with a touch switch 111, which can control whether the battery assembly 400 (i.e. a plurality of battery cells) in the battery pack supplies power to the display portion, so as to control the on/off of the display portion, when the battery assembly 400 starts to supply power, a plurality of lamp panels 310 connected with the battery assembly 400 can be turned on and emit light, and meanwhile, the touch switch 111 also has a function of displaying the electric quantity of the battery assembly 400, which is not described herein again.

The present embodiment further provides an electrical device including the battery pack according to any one of the above aspects. Specifically, in the present embodiment, the electric device is a non-motor vehicle using electric energy, such as an electric bicycle, an electric motorcycle, or an electric tricycle, and the use safety and reliability of the electric device are improved and the cost is reduced when the battery pack is used.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The battery case, its characterized in that includes:

the battery box comprises a battery box body (100), wherein the battery box body (100) is provided with a containing cavity for containing battery monomers, and the battery box body (100) is provided with a display window (121);

a light guide plate (200), wherein the light guide plate (200) is positioned inside the battery box body (100) and is sealed and attached to the display window (121);

the display mechanism (300), display mechanism (300) is fixed in inside battery case body (100), the display portion of display mechanism (300) is pasted and is located light guide plate (200) outer wall, display portion can with battery monomer electricity is connected.

2. The battery box according to claim 1, wherein the display part comprises at least two sequentially arranged lamp panels (310), the display window (121) comprises a plurality of display ports (1211) which are in one-to-one correspondence with the lamp panels (310), and the light guide plate (200) comprises a plurality of light guide protrusions (210) which are in one-to-one correspondence with the display ports (1211).

3. The battery compartment of claim 2, wherein the display mechanism (300) further comprises a backlight plate (320), the lamp plate (310) being sandwiched between the backlight plate (320) and the light guide plate (200).

4. The battery case according to claim 1, wherein the battery case body (100) includes an upper cover (110) and a lower cover (120), the display window (121) is opened on both side walls of the lower cover (120) that are disposed opposite to each other, and the light guide plate (200) is fixed to the display window (121) by two-shot molding.

5. The battery case according to claim 4, wherein the inner bottom wall of the lower cover (120) and the two inner side walls of the upper cover (110) opposite to each other are each provided with a fixing rib (122) in a protruding manner, and the display mechanism (300) is sandwiched between the fixing rib (122) and the light guide plate (200).

6. The battery case according to claim 4, wherein one of the upper cover (110) and the lower cover (120) is provided with a fixing buckle (1021), and the other is provided with a buckle hole (1022), and the fixing buckle (1021) can be buckled with the buckle hole (1022).

7. The battery box according to any one of claims 1-6, wherein a touch switch (111) is further provided on the outer wall of the battery box body (100), and the touch switch (111) is used for controlling the opening and closing of the display portion.

8. The battery case according to any one of claims 1-6, wherein a TAP-C module (103) is further provided in the battery case body (100), and one end of the TAP-C module (103) is electrically connected to the battery cell, and the other end is electrically connected to an external device.

9. The battery compartment of claim 8, wherein the TAP-C module (103) is provided with a dust plug (1031).

10. Battery pack, characterized in that it comprises a battery compartment according to any of claims 1-9 and a number of battery cells, which are arranged in the battery compartment body (100).