CN214378589U

CN214378589U - Chargeable battery with electric quantity display

Info

Publication number: CN214378589U
Application number: CN202120622871.2U
Authority: CN
Inventors: 段爱民
Original assignee: Dongguan Anshi New Energy Co ltd
Current assignee: Shenzhen Anshineng Electronics Co.,Ltd.
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-10-08
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a chargeable battery with electric quantity display, which comprises a lithium cell, wherein the top center of the lithium cell is provided with a positive terminal, and the shell of the lithium cell is a negative terminal; an insulating case disposed over the lithium battery cell; the circuit board is fixedly arranged in the insulating shell and provided with an electric quantity indicating chip; the battery cover is sleeved on the top of the lithium battery core and wraps the insulating shell and is in contact connection with the negative terminal; the charging interface is arranged on the circuit board; connecting the positive terminal with a positive Pogopin of the circuit board; the battery cover is connected with the negative pole Pogopin of the circuit board; the positive electrode cap penetrates through the surface cover and is electrically connected with the circuit board; the indicating lamp group is arranged on the circuit board, and the indicating lamp group and the electric quantity indicating chip display the electric quantity of the lithium battery cell in real time. The utility model discloses can accurate demonstration lithium cell's real-time electric quantity.

Description

Chargeable battery with electric quantity display

Technical Field

The utility model relates to a battery technology field particularly, especially relates to a chargeable call of charge display.

Background

Lithium batteries are widely used in portable digital devices such as mobile phones, digital cameras, portable computers, lighting devices, etc. and also in large-scale devices such as electric vehicles, electric tools, industrial equipment, energy storage and power generation equipment, etc. due to their numerous advantages such as high energy density, long cycle life, environmental protection, light weight, etc., and are gradually replacing batteries such as nickel-cadmium, lead-acid, nickel-hydrogen, etc. Along with the popularization of cylindrical rechargeable lithium batteries, the rechargeable lithium batteries in the prior art begin to charge through a charging interface, but the existing rechargeable batteries cannot display the actual electric quantity in real time, so that a user cannot timely grasp the electric quantity of the batteries, and bad experience is caused. Therefore, in view of the defects of the above solutions in actual manufacturing and implementation, the present invention provides a rechargeable battery with a charge display, which is based on the spirit and concept of the present invention, and is aided by professional knowledge and experience, and after various ingenuity and experiments, so as to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the disadvantages of the prior art, the present invention provides a rechargeable battery with a charge display.

The utility model relates to a chargeable call of electrified quantity demonstration can realize through following technical scheme:

the utility model relates to a chargeable battery with electric quantity display, which comprises a lithium cell, wherein the top center of the lithium cell is provided with a positive terminal, and the shell of the lithium cell is a negative terminal; an insulating case disposed over the lithium battery cell; the circuit board is fixedly arranged in the insulating shell and provided with an electric quantity indicating chip; the battery cover is sleeved on the top of the lithium battery core and wraps the insulating shell, and the battery cover is a conductive hardware and is in contact connection with the negative terminal; the charging interface is arranged on the circuit board and penetrates through the insulating shell and the battery cover respectively; connecting the positive terminal with a positive Pogopin of the circuit board; the battery cover is connected with the negative pole Pogopin of the circuit board; the positive electrode cap penetrates through the surface cover and is electrically connected with the circuit board; the indicating lamp group is arranged on the circuit board, and the indicating lamp group and the electric quantity indicating chip display the electric quantity of the lithium battery cell in real time.

In one embodiment, the indicator light set comprises a plurality of LED lights, and the plurality of LED lights are connected in parallel.

In one embodiment, the insulating housing includes a first insulating shell and a second insulating shell, the first insulating shell and the second insulating shell are disposed above and below each other, and the first insulating shell and the second insulating shell are connected by a snap structure.

In one embodiment, the insulation housing is further provided with a plurality of limiting grooves.

In one embodiment, a plurality of limiting blocks are arranged on the side surface of the battery cover, and the limiting blocks are arranged on the inner side of the battery cover and respectively correspond to the corresponding limiting grooves.

In one embodiment, a charging interface hole is arranged on a side surface of the battery cover, and the position of the charging interface hole corresponds to the position of the charging interface.

In one embodiment, a dust cover is arranged on the charging interface hole.

In one embodiment, the positive electrode Pogopin is vertically arranged, and two ends of the positive electrode Pogopin are respectively connected with the circuit board and the positive terminal; the negative pole Pogopin is horizontally arranged, one end of the negative pole Pogopin penetrates through the insulating shell to be connected with the battery cover, and the other end of the negative pole Pogopin is connected with the circuit board.

In one embodiment, a transparent cotton is arranged between the face cover and the indicating lamp set.

In one embodiment, a negative electrode sheet is arranged at the bottom of the lithium battery cell, and the negative electrode sheet is made of a conductive pentagold sheet.

Compared with the prior art, the utility model relates to a chargeable call of charge display's beneficial effect does:

the utility model discloses a chargeable call that shows with electricity quantity leads toThe charging interface is arranged, so that the charging can be carried out without an external charger or a direct connection power supply, the charging is more convenient and faster, and the production cost is reduced; through the positive electrode P_oThe gopin is vertically arranged, the negative electrode Pogopin is horizontally arranged, so that the structure of the battery is more reasonable and compact, and meanwhile, the positive electrode Pogopin and the negative electrode Pogopin are separated from each other, so that the danger of short circuit caused by connection of an electronic element on the circuit board and the positive electrode and the negative electrode of the lithium battery core is prevented; simultaneously through the effect of electric quantity indication chip and pilot lamp group, can show the actual electric quantity of lithium cell in real time for the user can in time hold battery power, improves user's experience and feels, has promoted the market competition of product.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic perspective view of a rechargeable battery with a charge display according to the present invention;

fig. 2 is a schematic structural view of the other side of the rechargeable battery with charge display of the present invention shown in fig. 1;

fig. 3 is a schematic diagram of an exploded structure of a rechargeable battery with a charge display according to the present invention shown in fig. 1;

fig. 4 is a schematic diagram of a partial explosion structure of the rechargeable battery shown in fig. 1 with a charge display according to the present invention;

fig. 5 is a circuit diagram of a rechargeable battery with charge display according to the present invention shown in fig. 1.

The following are marked in the figure: 11, a lithium battery cell; 111, a positive terminal; 112, a negative terminal; 12, a circuit board; 13, an insulating shell; 131, a first insulating case; 132, a second insulating case; 133, a limiting groove; 14, a battery cover; 141, a charging interface aperture; 142, a limiting block; 15, a charging interface; 16, positive electrode Pogopin; 17, negative electrode Pogopin; 18, a positive electrode cap; 19, a face cover; 191, a through hole; 192, a light-transmitting aperture; 20, indicating lamp sets; 21, light-transmitting cotton; and 22, a negative plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper" and "lower" are used for indicating the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention.

Further, in the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a rechargeable battery with charge display according to the present invention may include a lithium battery 11, a circuit board 12, an insulating housing 13, a battery cover 14, a charging connector 15, a positive electrode Pogopin16, a negative electrode Pogopin17, a positive electrode cap 18, a surface cover 19, an indicator light set 20, and a transparent cotton 21. The top center of the lithium battery cell 11 is provided with a positive terminal 111, the shell of the lithium battery cell is a negative terminal 112, and the positive terminal 111 and the negative terminal 112 are isolated from each other; the insulating shell 13 is arranged above the lithium battery cell 11, so that the risk of short circuit caused by connection of electronic elements on the circuit board 12 and positive and negative terminals of the lithium battery cell 11 is prevented; the circuit board 12 is disposed within the insulating housing 13; the battery cover 14 is sleeved on the top of the lithium battery cell 11 and wraps the insulating shell 13, and the battery cover 14 is a conductive hardware and is in contact connection with the negative terminal 112; the charging unit 15 is disposed on the circuit board 12, and penetrates through the insulating housing 13 and the battery cover 14, respectively, so that the lithium battery cell 11 is charged by the charging unit 15; one end of the positive electrode Pogopin16 is connected to the positive electrode terminal 111, and the other end thereof is connected to the circuit board 12; one end of the negative electrode Pogopin17 penetrates through the insulating shell 13 to be connected with the battery cover 14, and the other end of the negative electrode Pogopin17 is connected with the circuit board 12; the positive electrode cap 18 is electrically connected with the circuit board 12; the surface cover 19 is arranged on the battery cover 14, the positive electrode cap 18 penetrates through the surface cover 19, and the material of the positive electrode cap 18 is insulating material, so that short-circuit connection between the positive electrode cap 18 and the battery cover 14 is prevented; the indicating lamp set 20 is arranged on the circuit board 12 and can display the electric quantity of the lithium battery cell 11 in real time; the transparent cotton 21 is disposed between the surface cover 19 and the indicating lamp set 20, so that the light emitted from the indicating lamp set 20 can pass through the surface cover 19.

Referring to fig. 1 and 2, in the present embodiment, the lithium battery cell 11 is cylindrical, and since most of the conventional alkaline batteries, nickel-hydrogen batteries, or nickel-cadmium batteries are cylindrical, the lithium battery cell 11 is configured in the same cylindrical shape, so that the versatility of the lithium battery is increased, and in other embodiments, the lithium battery cell 11 may be square or in other shapes.

Referring to fig. 3 and 5, in the present embodiment, the circuit board 12 is electrically connected to the positive terminal 111, the charging interface 15, the positive cap 18, and the indicator light set 20, respectively. The circuit board 12 is provided with a chip U1, the voltage range of the chip U1 is 4.5V-5.5V, the highest charging current is 1.5A, when the input voltage of the charging interface 15 is within the charging voltage range, the chip U1 works in a charging mode, the 6 th pin of the chip U1 charges the lithium battery cell 11, an LED lamp connected with the 7 th pin of the chip U1 starts to flash at the frequency of 1Hz, and the 3 rd pin of the chip U1 is a charging power supply input port at the moment; when the lithium battery cell 11 is fully charged, the LED connected with the 7 th pin of the chip U1 stops flickering and keeps normally bright, and the typical value of the full-charge voltage of the lithium battery cell 11 is 4.2V; when the charging interface 15 is not externally connected with a charging power supply, the chip U1 works in a non-charging state, namely a DCDC step-down output state, the output voltage is 1.5V, the highest current can reach 3A, the power output port of the 3 rd pin of the chip U1 and the 2 nd pin of the chip U1 are connected with a protection resistor NTC1, the chip U1 can monitor the temperature of the lithium battery cell 11 in real time under the action of the protection resistor NTC1, and when the temperature of the lithium battery cell 11 is abnormal, the output or the charging is cut off until the temperature of the lithium battery cell 11 reaches a normal temperature point, and the lithium battery cell works normally again; the 4 th pin and the 5 th pin of the chip U1 are switch pins of DCDC, are connected with an inductor L1, and charge or discharge a battery; the diode D6 is a voltage stabilizing diode, so that the chip U1 is prevented from being burnt due to overhigh external input voltage; the capacitor C2 inputs and outputs a filter capacitor; the circuit board 12 is provided with a chip U2 which is an electric quantity indicating chip of the lithium battery cell 11, and when the voltage input by the chip U2 is 3.87V-4.2V, the indicating lamps D1, D2, D3 and D4 are all on; when the voltage input by the chip U2 is 3.7V-3.87V, the indicator lamps D1, D2 and D3 are on, and the indicator lamp D4 is off; when the voltage input by the chip U2 is 3.55V-3.7V, the indicator lamps D1 and D2 are on, and the indicator lamps D3 and D4 are off; when the voltage input by the chip U2 is 3.4V-3.55V, the indicator lamp D1 is on, and the indicator lamps D2, D3 and D4 are off; when the voltage input by the chip U2 is below 3.4V, the indicator lights D1, D2, D3 and D4 are all turned off. The capacitor C1 is a filter capacitor, and the resistor R1 is a current limiting resistor. In the present embodiment, the model number of the chip U1 is GB 2001; the model number of the chip U2 is HX 70A.

Referring to fig. 3 and 4, in this embodiment, the insulating housing 13 includes a first insulating housing 131 and a second insulating housing 132, the first insulating housing 131 and the second insulating housing 132 are disposed on the left and right sides, and are connected by a snap structure to wrap the circuit board 12 therein, so as to support the circuit board 12 and prevent the risk of short circuit caused by connection between the electronic components on the circuit board 12 and the positive and negative electrodes of the lithium battery cell 11; in other embodiments, the first insulating housing 131 and the second insulating housing 132 may be disposed on top of each other, and the two housings are connected by a snap structure. In this embodiment, since the POM (polyoxymethylene) material has the characteristics of high rigidity, good wear resistance and good electrical insulation, the material of the insulating housing 13 is preferably POM. The insulating housing 13 supports the circuit board 12 by using left and right insulating housings or upper and lower insulating housings, so as to position and fix the circuit board 12, and prevent the electronic component on the circuit board 12 from being short-circuited with the positive terminal 111 and/or the negative terminal 112, which may cause damage to the circuit board 12. In this embodiment, the insulating housing 13 is further provided with a plurality of limiting grooves 133, and the plurality of limiting grooves 133 are used for limiting the installation of the battery cover 14.

Referring to fig. 2 to 4, in the present embodiment, the battery cover 14 is a cylindrical hardware cover, which is riveted to the top of the lithium battery cell 11 to fix the insulating housing 13; a charging interface hole 141 and a plurality of limiting blocks 142 are arranged on the side surface of the battery cover 14, and the position of the charging interface hole 141 corresponds to the position of the charging connector 15; in other embodiments, a dust cover is disposed on the charging interface hole 141 to prevent dust from entering into the charging connector 15 through the charging interface hole 141; the plurality of stopper 142 is disposed inside the battery cover 14 and respectively corresponds to the corresponding stopper groove 133, so that the battery cover 14 can be quickly mounted on the insulating housing 13.

Referring to fig. 1 and fig. 3, the charging connector 15 may be a USB interface, a Lightning interface, or a Type C interface, and in this embodiment, the charging connector 15 is preferably a USB interface.

Referring to fig. 3, in the present embodiment, the positive electrode Pogopin16 is vertically disposed, and two ends of the positive electrode Pogopin16 are respectively connected to the circuit board 12 and the positive electrode terminal 111; the negative pole Pogopin17 is horizontally arranged, one end of the negative pole Pogopin17 penetrates through the insulating shell 13 to be connected with the battery cover 14, and the other end of the negative pole Pogopin17 is connected with the circuit board 12; in some other embodiments, the positive Pogopin16 and the negative Pogopin17 are vertically disposed, two ends of the positive Pogopin16 are respectively connected to the circuit board 12 and the positive terminal 111, and two ends of the negative Pogopin17 are respectively connected to the circuit board 12 and the negative terminal 112.

Referring to fig. 3, the indicator light set 20 includes a plurality of LED lights, and the LED lights are connected in parallel; in this embodiment, the indicator light set 20 includes four LED lights, which are arranged in parallel on the circuit board 12, and the light emitted therefrom is transmitted out of the face cover 19 through the transparent cotton 21.

Referring to fig. 2, a negative plate 22 is disposed at the bottom of the lithium battery cell 11, and the negative plate 22 is made of a conductive pentagold plate.

Referring to fig. 3, the surface cover 19 is provided with a through hole 191 and a plurality of light holes 192; the positive electrode cap 18 penetrates through the surface cover 19 through the through hole 191, and the indicator light group 20 sequentially passes through the light-transmitting cotton 21 and the light-transmitting hole 192 and is transmitted out of the surface cover 19.

In some embodiments, based on the foregoing technical solutions, it may be specifically further that the lithium battery cell 11 and the battery cover 14 are provided with a thermoplastic sleeve outside, so as to protect the battery.

It should be noted that the lithium battery cell 11 is charged by the charging unit 15, and the circuit board 12 is supported and insulated by the insulating shell 13; the positive pole Pogopin16 is vertically arranged and the negative pole Pogopin17 is horizontally arranged, so that the structure of the battery is more reasonable and compact, and meanwhile, the positive pole Pogopin16 and the negative pole Pogopin17 are separated from each other, and the risk of short circuit caused by connection of an electronic element on a circuit board and the positive pole and the negative pole of a lithium battery core is prevented; through electric quantity indication chip U2 with the effect of pilot lamp group 20 can show in real time the actual electric quantity of lithium cell 11 for the user can in time hold battery power, improves user's experience and feels.

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

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

Claims

1. A rechargeable battery with an electric quantity display function is characterized by comprising a lithium battery cell, wherein a positive terminal is arranged in the center of the top of the lithium battery cell, and a shell of the lithium battery cell is a negative terminal; an insulating case disposed over the lithium battery cell; the circuit board is fixedly arranged in the insulating shell and provided with an electric quantity indicating chip; the battery cover is sleeved on the top of the lithium battery core and wraps the insulating shell, and the battery cover is a conductive hardware and is in contact connection with the negative terminal; the charging interface is arranged on the circuit board and penetrates through the insulating shell and the battery cover respectively; connecting the positive terminal with a positive Pogopin of the circuit board; the battery cover is connected with the negative pole Pogopin of the circuit board; the positive electrode cap penetrates through the surface cover and is electrically connected with the circuit board; the indicating lamp group is arranged on the circuit board, and the indicating lamp group and the electric quantity indicating chip display the electric quantity of the lithium battery cell in real time.

2. The rechargeable battery with a charge display of claim 1, wherein the indicating lamp set comprises a plurality of LED lamps, and the LED lamps are connected in parallel.

3. The rechargeable battery with the charge display function according to claim 1, wherein the insulating housing comprises a first insulating case and a second insulating case, the first insulating case and the second insulating case are arranged on top of each other, and the first insulating case and the second insulating case are connected through a snap structure.

4. The rechargeable battery with a charge display of claim 3, wherein the insulating housing is further provided with a plurality of limiting grooves.

5. The rechargeable battery with the electric quantity display as claimed in claim 4, wherein a plurality of limiting blocks are arranged on the side surface of the battery cover, and a plurality of limiting blocks are arranged on the inner side of the battery cover and respectively correspond to the corresponding limiting grooves.

6. The rechargeable battery with the charge display function according to claim 1, wherein a charging interface hole is formed in a side surface of the battery cover, and the position of the charging interface hole corresponds to the position of the charging interface.

7. The rechargeable battery with the charge display function according to claim 6, wherein a dust cover is disposed on the charging interface hole.

8. The rechargeable battery with electric quantity display as claimed in claim 1, wherein the positive electrode Pogopin is vertically disposed, and both ends thereof are respectively connected to the circuit board and the positive terminal; the negative pole Pogopin is horizontally arranged, one end of the negative pole Pogopin penetrates through the insulating shell to be connected with the battery cover, and the other end of the negative pole Pogopin is connected with the circuit board.

9. The rechargeable battery with the charge display of any one of claims 1-8, wherein a transparent cotton is arranged between the face cover and the indicator light set.

10. The rechargeable battery with charge indicator according to any one of claims 1-8, wherein a negative plate is arranged at the bottom of the lithium battery cell, and the negative plate is made of a conductive pentagold plate.