CN217719734U - Battery pack and electric equipment - Google Patents

Abstract

The utility model discloses a battery package and consumer is applied to the consumer, especially is used in electric tool. The battery pack comprises a shell, wherein a light-emitting component for displaying the charging and discharging conditions is arranged on the shell; the shell is provided with a display end facing a user; the light-emitting component is positioned at the display end; the light-emitting component is electrically connected to a first circuit board, and the first circuit board is arranged on the inner side of the display end. The utility model discloses laid light-emitting component and control light-emitting component's circuit control board in casing display end finite space, at reinforcing display effect, on changing in the basis that the user observed, further utilized the compact space in the battery package.

Description

Battery pack and electric equipment

Technical Field

The application relates to the technical field of charging, in particular to a battery pack and electric equipment.

Background

The battery pack can be inserted into electric equipment to be used as a power supply, and can also be used as an external power supply of other electronic equipment.

Because the battery pack needs to be inserted into the electric equipment to be used as a power supply, the battery pack cannot occupy too much space of the electric equipment, otherwise the applicability of the battery pack is affected, and therefore the requirement on the compactness of the battery pack is met. Meanwhile, when the battery pack is used as a power supply of electric equipment, higher requirements are required on use safety, more obvious working state indication needs to be provided for a user, and the user also needs to be enabled to see the power utilization situation more conveniently. A certain terminal surface of current battery package sets up one row of LED, and operating condition when this kind of form pilot lamp design can't satisfy the battery package and insert the consumer and supply power shows the needs.

Based on the compactness requirement of battery package own structure to and better operating condition indicating effect, this disclosure provides a luminous display technical scheme who is used in on the battery package.

SUMMERY OF THE UTILITY MODEL

The purpose of the present disclosure is to provide a battery pack with a large working state light-emitting display range, which can clearly show the charge and discharge states of the battery pack in various application scenarios while ensuring the compactness of the structure.

In a first aspect of the present disclosure, there is provided a battery pack including:

the shell is provided with a light-emitting component for displaying the charging and discharging conditions;

the shell is provided with a display end facing a user, the light-emitting assembly is arranged at the display end, and the display end can project light outwards;

the light-emitting component is electrically connected with a first circuit board, and the first circuit board is arranged on the inner side of the display end of the shell.

Furthermore, the light-emitting assembly comprises a light-emitting piece, the light-emitting piece is electrically connected to the first circuit board, the shell comprises a buckle structure, the plane where the buckle structure is located is parallel to the first circuit board and is arranged between the light-emitting piece and the display end of the shell, and a light-transmitting channel is arranged on the buckle structure and enables light emitted by the light-emitting piece to be projected to the display end.

Furthermore, the light-emitting component further comprises a light guide piece, the light guide piece is arranged on the end face of the display end and is in a bar shape, and light emitted by the light-emitting piece is projected to the light guide piece.

Furthermore, the number of the light-emitting assemblies is at least two, and the light guide part extends from the display end to the adjacent surface of the display end.

Further, the shell comprises an upper shell and a lower shell, the upper shell comprises a first buckle structure and a third buckle structure which are symmetrically arranged, the lower shell comprises a second buckle structure and a fourth buckle structure which are symmetrically arranged, and the first buckle and the second buckle, and the third buckle and the fourth buckle are matched to fix the upper shell and the lower shell; after the first buckle and the second buckle are matched with each other, and the third buckle and the fourth buckle are matched with each other, a light transmission channel is formed between the first buckle and the second buckle and between the third buckle and the fourth buckle, and the light-emitting piece can transmit light to the light-guiding piece through the light transmission channel.

Furthermore, a first light-transmitting notch is formed in the first buckle, a second light-transmitting notch is formed in the second buckle, a third light-transmitting notch is formed in the third buckle, a fourth light-transmitting notch is formed in the fourth buckle, the opening directions of the first light-transmitting notch and the second light-transmitting notch face towards the adjacent surface of one side of the first buckle and one side of the second buckle on the display end surface, the opening directions of the third light-transmitting notch and the fourth light-transmitting notch face towards the adjacent surface of one side of the third buckle and one side of the fourth buckle on the display end surface, after the first buckle and the second buckle are connected, at least part of the first light-transmitting notch and the second light-transmitting notch coincide to form the first light-transmitting channel, and at least part of the third light-transmitting notch and the fourth light-transmitting notch coincide to form the second light-transmitting channel.

Furthermore, a first light hole is formed in the first buckle, a second light hole is formed in the second buckle, a third light hole is formed in the third buckle, a fourth light hole is formed in the fourth buckle, the first buckle, the second buckle, the third buckle and the fourth buckle are connected in a clamped mode, and at least part of the first light hole and the second light hole and the third light hole and the fourth light hole are overlapped to form the light transmission channel.

Further, the adjacent surface is an arc-shaped surface of the shell.

Further, a switch button is arranged in the middle of the display end and electrically connected to the first circuit board, and the light emitting assemblies extend from two ends of the switch button to two ends of the display end.

Furthermore, the electric core assembly is arranged in the shell, the electric core assembly comprises a second circuit board for controlling the electric core assembly, the electric core assembly is electrically connected to the second circuit board, the first circuit board is electrically connected to the second circuit board, the shell is provided with a mounting side wall for mounting the second circuit board, the second circuit board is mounted on the inner surface of the mounting side wall, the area of the second circuit board is larger than that of the first circuit board, and the area of the mounting side wall is larger than that of the display end.

Furthermore, the light-emitting member is a breathing lamp with variable color, the first circuit board is provided with a control unit, and the control unit controls the light-emitting member to change color or flicker.

In a second aspect of the present disclosure, there is provided a powered device, including:

the battery pack is detachably mounted on the electric equipment body, and when the battery pack is mounted on the electric equipment, the display end where the light-emitting component is located can be exposed out of the electric equipment body.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

compared with the point-shaped luminous indicator lamp in the prior art, the strip-shaped luminous assembly is adopted in the limited space of the display end of the shell to enhance the display effect and facilitate the observation of a user, the circuit board electrically connected with the luminous assembly is arranged on the inner side of the display end, and the control unit of the luminous assembly can be arranged on the circuit board to further utilize the compact space in the battery pack.

The arrangement position of the light-emitting component is further optimized, the light-emitting component extends to the adjacent surface of the display end from the display end, so that a user can observe the battery pack from different angles in the use state of the battery pack, and the space of the display end is more reasonably utilized by matching with a switch button of the battery pack.

Drawings

Fig. 1 is a schematic perspective view of a battery pack according to the present embodiment;

fig. 2 is a schematic perspective view of the battery pack according to the present embodiment;

FIG. 3 is a schematic diagram of a display end of the battery pack according to the present embodiment;

fig. 4 is a schematic view of the internal structure of the battery pack in the present embodiment;

FIG. 5 is an enlarged view of FIG. 4 at area A;

fig. 6 is a schematic perspective view of the battery pack of the present embodiment with the middle frame hidden;

FIG. 7 is an enlarged view of FIG. 6 at area B;

FIG. 8 is a schematic perspective view of a hidden frame of another embodiment of a battery pack;

fig. 9 is an exploded view of another embodiment of a battery pack.

Description of the reference numerals

The light emitting module comprises a housing 100, an upper housing 110, a lower housing 120, a middle frame 130, a display end 140, a mounting side wall 150, an insertion end 160, a first buckle 111, a second buckle 121, a third buckle 112, a fourth buckle 122, a first light-transmitting notch 113, a second light-transmitting notch 123, a third light-transmitting notch 114, a fourth light-transmitting notch 124, a light-transmitting channel 170, a first light-transmitting channel 171, a second light-transmitting channel 172, a light emitting assembly 200, a light emitting assembly 210, a first light emitting assembly 211, a second light emitting assembly 212, a third light emitting assembly 213, a fourth light emitting assembly 214, a light guide assembly 220, a first light guide assembly 221, a second light guide assembly 222, a first circuit board 230, an electric assembly 300, an electric core 310, a second circuit board 320 and a switch button 330.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The manner in which the following exemplary embodiments are described does not represent all manner of consistency with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or 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 use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Similarly, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one, and if only "a" or "an" is denoted individually. "plurality" or "a number" means two or more. Unless otherwise indicated, "front," "back," "lower," and/or "upper," and the like are for convenience of description, and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed after "comprises" or "comprising" is inclusive of the element or item listed after "comprising" or "comprises", and the equivalent thereof, and does not exclude additional elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The battery pack in the embodiment can be used as an external power supply for various electric equipment, and particularly can be matched with an electric tool, the electric tool is provided with a mounting groove for accommodating the battery pack, after the battery pack is accommodated in the electric tool, a display end face facing a user can be provided, a light-emitting component on the display end face needs to present the working state of the battery pack to the user, and the safety of the electric tool is particularly important in the using process, so that the light-emitting component of the battery pack in the embodiment can provide an indicating function easy to observe for the user. In addition, because the battery pack needs to be adapted to various electric tools in the embodiment, the size of the battery pack is limited, the overall structure is compact, and the specific arrangement of the light-emitting assembly needs to consider the structural compactness of the battery pack and the matching relation with other components on the battery pack.

Referring to fig. 1, the battery pack of the present embodiment has a housing 100, and a battery cell assembly 300, which is a main component of the battery pack, is disposed in the housing 100, and is adapted to the arrangement, i.e., the size, of the battery cell assembly 300, and the housing 100 of the battery pack may have various shapes, in this example, the housing 100 is a rectangular parallelepiped. Regardless of the shape of the housing, when the battery pack is inserted into the mounting groove of the power tool, a part of the battery pack is exposed outside the electric equipment, the end of the battery pack far away from the power tool is a display end 140, the end inserted into the power tool is an insertion end 160, and the display end 140 is rectangular and presents the working state of the battery pack to the user, as shown in fig. 2. The light emitting device 200 is disposed on the display end 140, and the light emitting device 200 has a strip shape to increase the light emitting range according to the shape of the display end 140, so that the user can observe the light emitting device more easily.

In this embodiment, the housing 100 can be divided into an upper housing 110 and a lower housing 120, the upper housing 110 and the lower housing 120 are symmetrically disposed and fixed by a snap structure, and the light emitting portion of the light emitting device 200 is located at a center line of the connection between the display ends 140 of the upper housing 110 and the lower housing 120, and extends from the display end 140 to an adjacent surface of the display end 140. The battery cell 310, the circuit control board, the electrical connection line, etc. may be disposed in the casing 100, and the battery cell 310 is located in the middle of the casing 100. A first circuit board 230 is disposed on the inner side of the display end 140 and parallel to the end surface of the display end, and the first circuit board 230 may be disposed between the battery cell 310 and the casing 100.

In another example, as shown in fig. 3, the housing 100 may be divided into an upper housing 110, a lower housing 120 and a middle frame 130, the middle frame 130 is located between the upper housing 110 and the lower housing 120 to form a ring-shaped housing surrounding the upper housing 110 and the lower housing 120 on four sides, the upper housing 110 and the lower housing 120 are fixed by a snap structure, the middle frame 130 is clamped and fixed by two sides of the upper housing 110 and the lower housing 120, and the light emitting portion of the light emitting component 200 is located on the display end 140 of the middle frame 130 and extends to the adjacent surface of the display end 140.

As a preferred embodiment, referring to fig. 4 and 5, fig. 4 and 5 are schematic perspective views of a battery pack with a lower case hidden. The light emitting assembly 200 may include a light emitting member 210 and a light guide member 220, and the light emitting member 210 may be a surface mount type light emitting tube welded to the first circuit board 230, and may be a plurality of light emitting tubes spaced apart along a length direction of the circuit board. The cell assembly 300 includes cells 310, a control circuit board, and the like. The battery cells 310 of the battery pack require a control circuit, and the size of the second circuit board 320 for controlling the battery cells 310 is also limited by the space inside the case, but the area of the second circuit board 320 is larger than that of the first circuit board 230, and the area of the case mounting sidewall 150 for mounting the second circuit board 320 is larger than that of the display end 140. The control circuit of the light emitting member 210 is disposed on the first circuit board 230, and the first circuit board 230 is mounted inside the display end 140, the area of the end surface of the display end 140 is small relative to the other surfaces of the housing 100, but the first circuit board 230 is suitable for layout, and the light emitting tube needs a circuit board in itself, so that the space can be effectively utilized. As a further preferred mode, the light emitting element 210 is a color-changeable breathing lamp, and the control unit on the first circuit board 230 controls the light emitting element 210 to change or flash in color, for example: when the battery pack is in a charging state, the brightness of the light-emitting member 210 gradually increases from dark to light, then gradually increases from light to dark, and the cycle is repeated until the battery pack is fully charged; when the battery pack is in a discharging state, the color of the light-emitting part 210 can be changed regularly according to the remaining electric quantity of the battery core 310; when the battery pack is abnormal, the light emitting member 210 flickers. Of course, the illuminating member 210 may also take other embodiments, such as a display screen, a small light ball, electrically connected to the first circuit board 230.

The light guide member 220 is made of a light guide material, and the material can cause light irradiated onto the light guide member 220 to be emitted from the front surface of the light guide member 220 by destroying the reflection condition, so that the front surface of the light guide member 220 can uniformly emit light. In the embodiment, as shown in fig. 4, the light guide member 220 is an integral structure and covers the light emitting member 210, and is also in a strip shape, the light guide member 220 can uniformly emit light at the display end 140 and has a wide range, and in combination with the color-changeable breathing lamp, the light guide member is relatively friendly and visible to a user. In addition, the light guide member 220 uniformly guides light, so that a larger light emitting range can be obtained under the condition of reducing the number of the light emitting members 210, and the specific position requirement of the light emitting members 210 is correspondingly reduced. The light guide 220 may be embedded in the housing 100, a strip-shaped through hole is formed in the housing 100, and the light guide 220 is embedded in the strip-shaped through hole. In another example, the light guide 220 may also be injection molded on the housing 100.

Referring to fig. 6 and 7, fig. 6 and 7 are schematic perspective views of a battery pack with a hidden middle frame, in order to further utilize the space of the display end 140 to increase the light-emitting range, facilitate a user to observe the light-emitting assembly 200 from multiple angles, and enable the working state of the battery pack to be displayed even if a single light-emitting member or a side light-emitting member fails. Specifically, for example, the number of the light emitting members 210 is 4, and the light guide members 220 are 2, and include a first light guide member 221 and a second light guide member 222, which are the first light emitting member 211, the second light emitting member 212, the third light emitting member 213, and the fourth light emitting member 214, respectively. The first light guide 221 covers and reflects light emitted from the first light emitting member 211 and the second light emitting member 212, and the second light guide 222 covers and reflects light emitted from the third light emitting member 213 and the fourth light emitting member 214. The first and second light emitting members 211 and 212, and the third and fourth light emitting members 213 and 214 are symmetrically disposed. The first light guide 221 and the second light guide 222 extend to the adjacent surface of the display end 140 along the length direction of the display end 140 respectively, so that the visual angle of a user is increased, the user can see the light emitting part from multiple angles, the adjacent surface of the display end 140 can be an arc surface, the light emitting part 210 does not need to be extended like the light guide 220, and only the light emitting part 210 is arranged in the end surface of the display end 140, so that the light emitting part can extend from the display end 140 to the adjacent surface of the display end 140.

As another preferred embodiment, as stated above, the display terminal 140 faces the user, in this embodiment, a switch button 330 is provided on the display terminal 140, and the user starts or stops the battery pack operation through the switch button 330, and when the user sees that the battery pack operation is abnormal, the user may also stop the battery pack operation in time. In order to effectively utilize the space, the light emitting elements 200 are symmetrically arranged with respect to the center line of the width direction of the display end 140, the switch button 330 is arranged in the middle of the length direction of the display end 140, and the light emitting elements 200 extend from the two ends of the switch button 330 to the two ends of the display end 140 along the length direction of the display end 140 and extend to the adjacent surfaces of the two sides of the display end 140. The switch button 330 is also electrically connected to the first circuit board 230, and by being matched with the light emitting assembly 200 in position, the space of the display end 140 is effectively utilized, and the first circuit board 230 is also utilized, so that the compactness of the battery pack is enhanced.

When the light emitting member 210 is located inside the display end 140, it is a preferred embodiment to fit the housing 100 and allow the light of the light emitting member 210 to irradiate the light guiding member 220 without obstruction.

Referring to fig. 7, at the display end 140 of the battery pack, the upper housing 110 may be provided with a first buckle 111 and a third buckle 112, the lower housing 120 may be provided with a second buckle 121 and a fourth buckle 122, the first buckle 111, the second buckle 121, and the third buckle 112 and the fourth buckle 122 may be matched to fix the upper housing 110 and the lower housing 120, the first buckle 111, the second buckle 121, the third buckle 112, and the fourth buckle 122 are all located on the same plane, the plane where each buckle structure is located between the plane where the first circuit board 230 is located and the inner wall of the end surface of the display end 140, and may be parallel to the end surface of the display end 140, that is, when the first buckle 111, the second buckle 121, and the third buckle 112 and the fourth buckle 122 are matched, the plane is located between the light emitting element 210 and the light guiding element 220.

In order to more clearly observe the light guide member 220, the light emitting member 210, the light transmitting channel 170, and the gaps of the snap structure, the present disclosure provides another preferred embodiment, the shape of the snap structure of the embodiment is simplified, and the structure is more concise, as shown in fig. 8 and 9, wherein fig. 8 is a schematic perspective view of the battery pack with the middle frame 130 and the light guide member 220 hidden. A first light-transmitting notch 113 can be formed in the first buckle 111, a second light-transmitting notch 123 can be formed in the second buckle 121, the opening directions of the first light-transmitting notch 113 and the second light-transmitting notch 123 face the adjacent surfaces of the display end 140, and the adjacent surfaces are the adjacent surfaces of the end surfaces of the display end 140 on the sides of the first buckle 111 and the second buckle 121; a third light-transmitting notch 114 is formed in the third buckle 112, a fourth light-transmitting notch 124 is formed in the fourth buckle 122, the opening directions of the third light-transmitting notch 114 and the fourth light-transmitting notch 124 face the adjacent surface of the display end 140, and the adjacent surface is the adjacent surface on the side of the first buckle 111 and the second buckle 121 on the end surface of the display end 140; through the arrangement of the first light-transmitting notch 113, the second light-transmitting notch 123, the third light-transmitting notch 114 and the fourth light-transmitting notch 124, the first buckle 111 and the second buckle 121 are buckled to form a first light-transmitting channel 171, which enables light emitted by the first light-emitting part 211 and the second light-emitting part 212 to be transmitted towards the first light-guiding part 221 extending to the adjacent surface of the display end 140; the second light-transmitting channel 172 is formed after the third buckle 112 and the fourth buckle 122 are buckled, so that the light emitted by the third light-emitting member 213 and the fourth light-emitting member 214 is transmitted toward the second light-guiding member 222 extending to the adjacent surface of the display end 140, the transmission effect of the light transmitted by the light-emitting member 210 to the light-guiding member 220 is improved, the light-receiving area of the light-guiding member 220 is increased as much as possible, and the light-guiding effect of the light-guiding member 220 on the adjacent surface of the display end 140 is increased.

So set up, when the battery package internal junction space is limited, can't hold the illuminating part of sufficient quantity, promoted the outside printing opacity scope of leaded light 220.

In another embodiment, the light-transmitting notch may also be changed to a light-transmitting hole, a hole is formed in the snap structure, after the first snap 111 is snapped with the second snap 121, and the third snap 112 is snapped with the fourth snap 122, the holes on the first snap 111 and the second snap 121 are at least partially overlapped to form a first light-transmitting channel 171; the third clip 112 and the fourth clip 122 have at least partially overlapped holes to form a second light-transmitting channel 172, so that the light emitted from the light-emitting element 210 passes through the first light-transmitting channel 171 and the second light-transmitting channel 172 and irradiates onto the light-guiding element 220.

So set up, under the circumstances that does not influence casing buckle structure complex, utilize space between the buckle structure, guaranteed the printing opacity relation between illuminating part 210 and the leaded light 220, do not influence battery package overall structure's compactness.

The application also provides an electric device, which comprises an electric device body and the battery pack, wherein the battery pack is detachably mounted on the electric device body, and when the battery pack is mounted on the electric device, the display end where the light-emitting component is located can be exposed out of the electric device body.

Claims (12)

1. A battery pack, comprising:

the shell is provided with a light-emitting component for displaying the charging and discharging conditions;

the shell is provided with a display end facing a user, the light-emitting assembly is arranged at the display end, and the display end can project light outwards;

the light-emitting component is electrically connected with a first circuit board, and the first circuit board is arranged on the inner side of the display end of the shell.

2. The battery pack of claim 1, wherein the light-emitting assembly comprises a light-emitting element electrically connected to the first circuit board, the housing comprises a fastening structure, the fastening structure is disposed on a plane parallel to the first circuit board and disposed between the light-emitting element and the display end of the housing, and the fastening structure is provided with a light-transmitting channel, which enables light emitted by the light-emitting element to be projected to the display end.

3. The battery pack of claim 2, wherein the light-emitting assembly further comprises a light guide member, the light guide member is disposed on the end surface of the display end and has a bar shape, and the light emitted from the light-emitting member is projected onto the light guide member.

4. The battery pack of claim 3, wherein at least two of the light emitting assemblies are present, and the light guide extends from the display end to an adjacent surface of the display end.

5. The battery pack according to claim 4, wherein the housing comprises an upper housing and a lower housing, the upper housing comprises a first fastening structure and a third fastening structure which are symmetrically arranged, the lower housing comprises a second fastening structure and a fourth fastening structure which are symmetrically arranged, and the first fastening structure and the second fastening structure, the third fastening structure and the fourth fastening structure cooperate to fix the upper housing and the lower housing; after the first buckle and the second buckle are matched with each other, and the third buckle and the fourth buckle are matched with each other, a light transmission channel is formed between the first buckle and the second buckle and between the third buckle and the fourth buckle, and the light-emitting piece can transmit light to the light-guiding piece through the light transmission channel.

6. The battery pack according to claim 5, wherein the first buckle has a first light-transmitting notch, the second buckle has a second light-transmitting notch, the third buckle has a third light-transmitting notch, the fourth buckle has a fourth light-transmitting notch, the first light-transmitting notch and the second light-transmitting notch have opening directions facing the adjacent surface of one side of the first buckle and the second buckle on the display end surface, the third light-transmitting notch and the fourth light-transmitting notch have opening directions facing the adjacent surface of one side of the third buckle and the fourth buckle on the display end surface, after the first buckle and the second buckle, the third buckle and the fourth buckle are clamped, at least a part of the first light-transmitting notch and the second light-transmitting notch coincide with each other to form a first light-transmitting channel, and at least a part of the third light-transmitting notch and the fourth light-transmitting notch coincide with each other to form a second light-transmitting channel.

7. The battery pack according to claim 6, wherein the first buckle is provided with a first light hole, the second buckle is provided with a second light hole, the third buckle is provided with a third light hole, the fourth buckle is provided with a fourth light hole, and after the first buckle, the second buckle, the third buckle and the fourth buckle are clamped, at least a part of the first light hole and the second light hole and the third light hole and the fourth light hole are overlapped to form the light transmission channel.

8. The battery pack of claim 4, wherein the adjacent face is an arcuate face of the housing.

9. The battery pack according to claim 3 or 4, further comprising: and a switch button is arranged in the middle of the display end, the switch button is electrically connected to the first circuit board, and the light-emitting components extend from two ends of the switch button to two ends of the display end.

10. The battery pack of claim 1, wherein the space in the housing is provided with a cell assembly, the cell assembly comprises a second circuit board for controlling the cell assembly, the cell assembly is electrically connected to the second circuit board, the first circuit board is electrically connected to the second circuit board, the housing has a mounting sidewall for mounting the second circuit board, the second circuit board is mounted on the inner surface of the mounting sidewall, the second circuit board has a larger area than the first circuit board, and the mounting sidewall has a larger area than the display terminal.

11. The battery pack of claim 2, wherein the light emitting member is a color-changeable breathing lamp, and the first circuit board has a control unit thereon, wherein the control unit controls the light emitting member to change color or flash.

12. An electric device, comprising an electric device body and the battery pack according to any one of claims 1 to 10, wherein the battery pack is detachably mounted on the electric device body, and when the battery pack is mounted on the electric device, the display end where the light-emitting component is located can be exposed outside the electric device body.

Images