External detachable battery

Abstract

The utility model provides an external detachable battery. The external detachable battery comprises a shell, a battery cell group, a main protection plate and a second protection plate, according to the external detachable battery disclosed by the utility model, the second protection plate is arranged in the front pit of the battery cell group, one side of the second protection plate is connected with the tab, and the top end of the second protection plate is connected with the main protection plate. A first electronic component can be arranged on the first protection board, a second electronic component can be arranged on the second protection board, an area for arranging the electronic components of the battery is increased, the area for arranging the electronic components is increased by about three times on the basis that only the main protection board is used originally, main primary and secondary protection circuits can be arranged on the second protection board at the same time, and a battery voltameter circuit is designed on the main protection board. According to the design, the effects of improving the performance of the protection plate and improving the charging and discharging current of the battery can be achieved without changing the structural size of the battery or reducing the capacity of the battery.

Description

Technical Field

[0001] The utility model relates to the field of batteries, in particular to an external detachable battery. Background Art

[0002] The external battery can be used to provide electronic products with the function of replacing power anytime and anywhere. When the external battery is out of power, the external battery can be replaced in time to ensure the normal operation of the device.

[0003] Existing external batteries usually only use one protection board to protect the battery. The total thickness of the battery is narrow after removing the outer shell. The original hardware and electronic components on the battery occupy more than 60% of the area of ​​the protection board, and the actual area that can be used to place other electronic components is less than 30%, which greatly limits the battery's charging and discharging performance and secondary protection function. If you want to increase the layout area of ​​electronic components, you can usually only increase the thickness of the battery and the thickness of the protection board. However, the increase in the thickness of the protection board occupies the space of the battery cell, and the battery capacity will be reduced accordingly, resulting in reduced functions and performance of the external battery.

[0004] Therefore, it is necessary to provide an external detachable battery to solve the above technical problems. Utility Model Content

[0005] The utility model provides an external detachable battery to solve the problem that most external batteries in the prior art have a small arrangement area for electronic components, resulting in reduced functions and performance of the external batteries.

[0006] In order to solve the above technical problems, the technical solution of the utility model is: an external detachable battery, which includes:

[0007] A shell, wherein a first through hole is provided at a top end of the shell;

[0008] A battery cell group is arranged in the housing, and a pole ear is arranged on the top of the battery cell group; and

[0009] A main protection board is disposed transversely in the housing and above the battery cell group, and the main protection board is used to connect the first electronic component;

[0010] Wherein, a front pit is provided on one side of the top of the battery cell group;

[0011] The external removable battery also includes a second protective plate, which is arranged in the front pit, one side of the second protective plate is connected to the pole ear, the top of the second protective plate is connected to the main protective plate, and the second protective plate is used to arrange a second electronic component.

[0012] In the present invention, the second protection plate comprises:

[0013] A fixing portion is vertically arranged in the front pit, a connecting protrusion is arranged on one side of the fixing portion, and the connecting protrusion is connected to the pole ear; and

[0014] The bottom end of the extension part is connected to the top end of the fixing part, and the top end of the extension part is connected to the main protection plate.

[0015] In the utility model, a first mounting groove is arranged on one side of the main protection plate, and the top end of the extension portion is bent and extends into the first mounting groove.

[0016] The main protection board of the utility model is provided with a first electronic component, and the first electronic component is used to connect the first electronic component;

[0017] A second setting area is set on the main protection plate, the first mounting groove is located in the second setting area, and the second setting area is used to arrange the third electronic component.

[0018] In the utility model, a first fixing block is arranged on a side away from the main protection plate, a second mounting groove is arranged on the shell, and the first fixing block is engaged with the second mounting groove.

[0019] In the utility model, a second positioning block is arranged in the shell, the second positioning block is located between the main protective plate and the fixing portion, and the second positioning block is used to limit the position of the main protective plate.

[0020] In the utility model, a baffle is arranged inside the shell, and two groups of baffles are arranged. The two groups of baffles are relatively arranged at both ends of the second protective plate. The two groups of baffles are used to limit the position of the second protective plate, and the bottom end of the baffle limits the position of the top end of the battery cell group.

[0021] In the utility model, the external detachable battery further comprises a label patch, and the label patch is attached around the peripheral side of the housing;

[0022] A second receiving groove is also arranged on the peripheral side of the shell, and the label patch is arranged in the second receiving groove. The outer side of the label patch is flush with the plane where the outer side of the shell is located.

[0023] In the utility model, the housing comprises:

[0024] A plastic shell, wherein the first through hole is located at the top of the plastic shell, and an opening is provided on one side of the plastic shell; and

[0025] A steel sheet is engaged with the plastic shell, and the steel sheet is used to close the opening.

[0026] In the utility model, the plastic shell includes:

[0027] A fixing frame, wherein the first through hole is located at the top of the fixing frame;

[0028] A first plate component connected to one side of the fixing frame; and

[0029] The second plate component is located at the other side of the fixing frame, and is used to support the steel sheet. A first receiving groove is formed between the second plate component and the inner wall of the fixing frame, and the steel sheet is embedded in the first receiving groove.

[0030] Compared with the prior art, the utility model has the following beneficial effects: the external detachable battery of the utility model provides electric energy through the battery pack, the battery pack includes pole ears, the pole ears are used to provide the positive and negative poles of the battery; the main protection plate is used to guide the current of the battery. The second protection plate is arranged in the front pit of the battery pack, one side of the second protection plate is connected to the pole ear, and the top of the second protection plate is connected to the main protection plate.

[0031] A second protection board is arranged on the front pit of the battery cell group, and the second protection board is connected to the main protection board; a second electronic component can be arranged on the second protection board, thereby increasing the area for arranging electronic components of the battery. In this way, the arrangement area can be increased by about three times compared with the original use of only the main protection board. The main primary and secondary protection circuits can be arranged on the second protection board at the same time, and the battery fuel gauge circuit is designed on the main protection board. With this design, the performance of the protection board can be improved and the charging and discharging current of the battery can be increased without changing the battery structure size or reducing the battery capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. The drawings described below are only drawings corresponding to some embodiments of the utility model.

[0033] Figure 1 It is a stereogram of a preferred embodiment of the utility model.

[0034] Figure 2 It is an exploded view of a preferred embodiment of the utility model.

[0035] Figure 3 This is a schematic diagram of the connection between the main protection plate and the second protection plate in a preferred embodiment of the utility model.

[0036] Figure 4 This is a top view of the connection between the main protection plate and the second protection plate of a preferred embodiment of the utility model.

[0037] Figure 5 This is a top view of the main protection plate of a preferred embodiment of the utility model.

[0038] Figure 6It is a stereoscopic diagram of a plastic shell of a preferred embodiment of the utility model.

[0039] Figure 7 This is a cross-sectional view of the top structure of the battery interior according to a preferred embodiment of the present utility model.

[0040] Figure 8 This is a cross-sectional view of the internal bottom structure of a battery according to a preferred embodiment of the utility model.

[0041] Figure numerals: 11, outer shell; 11a, plastic shell; 111, fixing frame; 1111, first through hole; 1112, first receiving groove; 1113, second receiving groove; 1114, card slot; 112, first plate component; 1121, second positioning block; 113, second plate component; 1131, second mounting groove; 114, baffle; 11b, steel sheet; 115, card block; 12, battery cell group; 121, pole ear; 122, front pit; 13, main protection plate; 131, first mounting groove; 132, first electronic component; 133, second setting area; 134, first fixing block; 14, second protection plate; 141, fixing part; 142, extension part; 143, connecting protrusion; 15, label patch. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0043] Directional terms mentioned in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", "top" and "bottom", are only used for reference to the directions of the drawings. The directional terms used are used to illustrate and understand the present invention, and are not used to limit the present invention.

[0044] The words "first", "second" and the like in the terminology of the present invention are used for descriptive purposes only and should not be understood as indicating or implying relative importance, and should not be construed as limiting the order of precedence.

[0045] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] The following is a preferred embodiment of an external detachable battery provided by the present invention that can solve the above technical problems.

[0047] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 It is a stereogram of a preferred embodiment of the utility model. Figure 2 It is an exploded view of a preferred embodiment of the utility model. Figure 3 This is a schematic diagram of the connection between the main protection plate and the second protection plate in a preferred embodiment of the utility model.

[0048] In the figures, structurally similar elements are denoted by the same reference numerals.

[0049] The utility model provides an external detachable battery, which comprises a shell 11, a battery cell group 12, a main protection plate 13 and a second protection plate 14; a first through hole 1111 is arranged at the top of the shell 11; the battery cell group 12 is arranged in the shell 11, and a pole ear 121 is arranged at the top of the battery cell group 12; the main protection plate 13 is arranged horizontally in the shell 11, and the main protection plate 13 is located above the battery cell group 12, and a first electronic component 132 is arranged on the main protection plate 13, and the first electronic component 132 passes through the first through hole 1111; wherein a front pit 122 is arranged at one side of the top of the battery cell group 12; the external detachable battery also comprises a second protection plate 14, the second protection plate 14 is arranged in the front pit 122, one side of the second protection plate 14 is connected to the pole ear 121, the top of the second protection plate 14 is connected to the main protection plate 13, and the second protection plate 14 is used to arrange the second electronic component.

[0050] The external removable battery in this embodiment provides electrical energy through the battery cell group 12. The battery cell group 12 includes a pole ear 121, which is used to provide the positive and negative poles of the battery; the main protective plate 13 is used to guide the current of the battery. The second protective plate 14 is arranged in the front pit 122 of the battery cell group 12. One side of the second protective plate 14 is connected to the pole ear 121, and the top of the second protective plate 14 is connected to the main protective plate 13. The second electronic component can be arranged on the second protective plate 14, which increases the area for arranging electronic components of the battery. The arrangement area can be increased by about three times on the basis of the original use of only the main protective plate 13; such a design can achieve the effect of improving the performance of the protective plate and increasing the battery charging and discharging current without changing the battery structure size or reducing the battery capacity.

[0051] The connection between the main protection plate 13 and the second protection plate 14 in this embodiment is described as follows:

[0052] Combination Figure 3 and Figure 4 In this embodiment, the second protective plate 14 includes a fixing portion 141 and an extension portion 142. The fixing portion 141 is vertically arranged in the front pit 122. The vertical layout makes full use of the space of the front pit 122. A connecting protrusion 143 is arranged on one side of the fixing portion 141. The connecting protrusion 143 is connected to the pole lug 121. The connection between the connecting protrusion 143 and the pole lug 121 can ensure good electrical contact and help transmit electrical energy and signals. The bottom end of the extension portion 142 is connected to the top end of the fixing portion 141, and the top end of the extension portion 142 is connected to the main protective plate 13. The design of the extension portion 142 enables the second protective plate 14 to be connected to the main protective plate 13, which helps integrate electronic components and improve the integration of battery components.

[0053] A first mounting groove 131 is provided on one side of the main protection plate 13 , and the top end of the extension portion 142 is bent and extends into the first mounting groove 131 , thereby saving space occupied by the connection and making the overall structure of the battery more compact.

[0054] Combination Figure 5 In this embodiment, a first electronic component 132 is arranged on the main protection board 13, and the first electronic component 132 is used to connect the first electronic component 132; a second setting area 133 is arranged on the main protection board 13, and the first mounting groove 131 is located in the second setting area 133, and the second setting area 133 can be arranged with a third electronic component. This structural design increases the layout area of ​​the battery.

[0055] The connection structure between the main protection plate 13 and the housing 11 in this embodiment is described as follows:

[0056] Combination Figure 1 and Figure 6A first fixing block 134 is provided on one side away from the main protective plate 13 , and a second mounting groove 1131 is provided on the housing 11 . The first fixing block 134 engages with the second mounting groove 1131 , thereby improving the stability of the connection between the main protective plate 13 and the housing 11 .

[0057] In this embodiment, a second positioning block 1121 is disposed in the housing 11 . The second positioning block 1121 is located between the main protective plate 13 and the fixing portion 141 . The second positioning block 1121 is used to define the position of the main protective plate 13 .

[0058] In addition, a baffle 114 is provided inside the outer shell 11. There are two groups of baffles 114. The two groups of baffles 114 are relatively arranged at both ends of the second protective plate 14. The two groups of baffles 114 are used to limit the position of the second protective plate 14, and the bottom end of the baffle 114 limits the position of the top of the battery cell group 12 to prevent the second protective plate 14 from shaking inside the outer shell 11.

[0059] The structure of the housing 11 in this embodiment is described as follows:

[0060] Combination Figure 2 and Figure 8 The housing 11 in this embodiment includes a plastic shell 11a and a steel sheet 11b. The first through hole 1111 is located at the top of the plastic shell 11a. An opening is provided on one side of the plastic shell 11a. The steel sheet 11b is engaged with the plastic shell 11a. The steel sheet 11b is used to close the opening to facilitate battery assembly. The steel sheet 11b ensures that the overall structure of the housing 11 is stable and not easily deformed or damaged, and can effectively protect the internal components of the battery during use.

[0061] In this embodiment, the plastic shell 11a includes a fixed frame 111, a first plate component 112 and a second plate component 113; the first through hole 1111 is located at the top of the fixed frame 111, and the first plate component 112 is connected to one side of the fixed frame 111; the second plate component 113 is located on the other side of the fixed frame 111, and the second plate component 113 is used to support the steel sheet 11b. A first receiving groove 1112 is formed between the second plate component 113 and the inner wall of the fixed frame 111, and the steel sheet 11b is embedded in the first receiving groove 1112; the second plate component 113 is engaged with the groove of the steel sheet 11b, which enhances the fixation and protection of the steel sheet 11b, and the steel sheet 11b can be firmly fixed inside the plastic shell 11a to provide additional protection and support.

[0062] Combination Figure 2 and Figure 8 In this embodiment, a slot 1114 is provided at the bottom of the fixed frame 111, and a block 115 is provided at the bottom of the steel sheet 11b. The block 115 engages with the slot 1114 to ensure the connection stability between the steel sheet 11b and the fixed frame 111.

[0063] The other structures of the battery in this embodiment are described as follows:

[0064] The external detachable battery in this embodiment further includes a label patch 15, which is attached around the outer shell 11 to make the battery more secure and prevent the battery assembly from loosening or shaking. The label patch 15 identifies the battery status or model information.

[0065] A second receiving groove 1113 is also provided on the periphery of the housing 11, and the label patch 15 is provided in the second receiving groove 1113, and the outer side of the label patch 15 is flush with the plane where the outer side of the housing 11 is located. The second receiving groove 1113 provides additional accommodation space, so that the label patch 15 does not protrude to the outer side of the housing 11, the appearance is neater, and the overall size of the battery is reduced, saving the use space of the battery.

[0066] The working principle of this utility model:

[0067] The utility model makes full use of the internal space of the battery, and sets a second protection plate 14 at the front pit 122 of the battery cell group 12, and the second protection plate 14 is connected to the main protection plate 13; in this way, the layout area can be increased by about three times on the basis of using only the main protection plate 13 originally, and the main primary and secondary protection circuits can be arranged on the second protection plate 14 at the same time, and the battery fuel gauge circuit is designed on the main protection plate 13. With such a design, the performance of the protection plate can be improved and the effect of increasing the battery charging and discharging current can be achieved without changing the battery structure size or reducing the battery capacity.

[0068] In summary, although the present invention has been disclosed as above in terms of preferred embodiments, the above preferred embodiments are not intended to limit the present invention. A person skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope defined in the claims.

Claims

1. An external removable battery, characterized in that: include: A shell, wherein a first through hole is provided at a top end of the shell; A battery cell group is arranged in the housing, and a pole ear is arranged on the top of the battery cell group; as well as A main protection board is disposed transversely in the housing and above the battery cell group, wherein a first electronic component is disposed on the main protection board and passes through the first through hole; Wherein, a front pit is provided on one side of the top of the battery cell group; The external removable battery also includes a second protective plate, which is arranged in the front pit, one side of the second protective plate is connected to the pole ear, and the top of the second protective plate is connected to the main protective plate. The second protective plate is used to arrange a second electronic component.

2. The external removable battery according to claim 1, characterized in that: The second protection plate comprises: A fixing portion is vertically arranged in the front pit, a connecting protrusion is arranged on one side of the fixing portion, and the connecting protrusion is connected to the pole ear; and The bottom end of the extension part is connected to the top end of the fixing part, and the top end of the extension part is connected to the main protection plate.

3. The external removable battery according to claim 2, characterized in that: A first mounting groove is provided on one side of the main protection plate, and the top end of the extension portion is bent and extends into the first mounting groove.

4. The external removable battery according to claim 3, characterized in that: A second setting area is set on the main protection plate, the first mounting groove is located in the second setting area, and the second setting area is used to arrange the third electronic component.

5. The external removable battery according to claim 1, characterized in that: A first fixing block is disposed on one side away from the main protection plate, a second mounting groove is disposed on the housing, and the first fixing block is engaged with the second mounting groove.

6. The external removable battery according to claim 2, characterized in that: A second positioning block is arranged in the shell, and the second positioning block is located between the main protective plate and the fixing portion, and the second positioning block is used to limit the position of the main protective plate.

7. The external removable battery according to claim 1, characterized in that: A baffle is arranged inside the shell, and there are two groups of baffles. The two groups of baffles are relatively arranged at both ends of the second protective plate. The two groups of baffles are used to limit the position of the second protective plate, and the bottom end of the baffle limits the position of the top end of the battery cell group.

8. The external removable battery according to claim 1, characterized in that: It also includes a label patch, which is attached around the peripheral side of the housing; A second receiving groove is also arranged on the peripheral side of the shell, and the label patch is arranged in the second receiving groove. The outer side of the label patch is flush with the plane where the outer side of the shell is located.

9. The external removable battery according to claim 1, characterized in that: The housing comprises: A plastic shell, wherein the first through hole is located at the top of the plastic shell, and an opening is provided on one side of the plastic shell; and A steel sheet is engaged with the plastic shell, and the steel sheet is used to close the opening.

10. The external removable battery according to claim 9, characterized in that: The plastic shell comprises: A fixing frame, wherein the first through hole is located at the top of the fixing frame; A first plate component connected to one side of the fixing frame; and The second plate component is located at the other side of the fixing frame, and is used to support the steel sheet. A first receiving groove is formed between the second plate component and the inner wall of the fixing frame, and the steel sheet is embedded in the first receiving groove.

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