CN204481092U - Rechargeable battery pack - Google Patents

Abstract

The utility model discloses a rechargeable battery assembly, which comprises a battery casing, which has a first end surface and a second end surface; a rechargeable battery, which is arranged in the battery casing; a charging interface, which is arranged on the first end surface of the battery casing and being electrically connected to the rechargeable battery for charging the rechargeable battery; a discharge interface disposed on the first end face of the battery casing and electrically connected to the rechargeable battery for discharging the rechargeable battery to charge the mobile device; the positive terminal, It is arranged on the rechargeable battery and protrudes from the second end surface of the battery casing; the negative terminal is arranged on the battery casing. The utility model integrates the charging and discharging functions, so that it is not necessary to additionally arrange electronic components for charging and discharging.

Description

rechargeable battery pack

technical field

The utility model relates to a rechargeable battery assembly, which can be a single battery or a combination of multiple batteries.

Background technique

At present, rechargeable batteries are often used as power sources in many lamps. The rechargeable batteries can be charged after the power is exhausted, and the rechargeable batteries can also be discharged to charge mobile terminals such as mobile phones. The electronic components for charging and discharging and the rechargeable battery are set separately, that is to say, the rechargeable battery and the electronic components for charging and discharging the rechargeable battery are separately set on the lamp, and then the two are connected by a line, so that a On the one hand, the installation is relatively troublesome, which increases the cost and increases the volume of the lamp; on the other hand, it makes the circuit in the lamp more complicated and more prone to failure.

Utility model content

The technical problem to be solved by the utility model is to provide a rechargeable battery assembly, which integrates charging and discharging functions, so that there is no need to set additional electronic components for charging and discharging.

In order to solve the above technical problems, the rechargeable battery assembly provided by the utility model includes:

a battery case having a first end face and a second end face;

a rechargeable battery disposed within the battery housing;

a charging interface, which is arranged on the first end surface of the battery casing and is electrically connected to the rechargeable battery for charging the rechargeable battery;

The discharge interface is arranged on the first end surface of the battery casing and is electrically connected to the rechargeable battery for discharging the rechargeable battery to charge the mobile device;

a positive terminal disposed on the rechargeable battery and protruding from the second end surface of the battery casing;

The negative terminal is arranged on the battery casing.

Preferably, the negative terminal is arranged on the second end surface of the battery casing, and an insulating tape is arranged between the positive terminal and the negative terminal.

Preferably, the negative terminal is arranged on the first end surface of the battery casing.

Preferably, the charging interface is a Mini USB interface, and the discharging interface is a standard USB interface.

As a preference, there are multiple battery casings, each battery casing is provided with a rechargeable battery, and all the rechargeable batteries are connected to each other, and any one of the battery casings is provided with a battery for charging the interconnected rechargeable batteries. A charging interface and a discharging interface for discharging.

After adopting the above structure, the utility model has the following advantages compared with the prior art:

The rechargeable battery assembly of the utility model is provided with a charging interface for charging the rechargeable battery and a discharge interface for discharging the rechargeable battery. In addition, electronic components for charging and discharging are installed on the lamp, which simplifies the installation, reduces the cost, and reduces the volume of the lamp. On the other hand, it also simplifies the circuit in the lamp, making the circuit in the lamp less prone to failure.

Description of drawings

Fig. 1 is the structural representation of embodiment one;

Fig. 2 is the sectional view of embodiment one;

Fig. 3 is the right view of Fig. 1;

Fig. 4 is the left view of Fig. 1;

Fig. 5 is the structural representation of embodiment two;

FIG. 6 is a left side view of FIG. 5 .

Among them, 10, battery case; 11, rechargeable battery; 111, positive terminal; 112, negative terminal; 12, standard USB interface; 13, Mini USB interface; 14, indicator light; 15, PCB board; 116, insulating tape.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

Embodiment one

As shown in Figures 1 to 4, the rechargeable battery assembly of the present invention includes a battery case 10, the battery case 10 can be made to be consistent with the size of lithium batteries such as 18650, 18500 or 18400, and the battery case 10 can also be made into a round shape Various shapes such as shape, triangle, square and rhombus, the battery case 10 has a first end face and a second end face, and a rechargeable battery 11 is arranged in the battery case 10, and the rechargeable battery 11 can be a lithium battery. A PCB board 15 is provided, and the PCB board 15 is connected to the rechargeable battery 11. The PCB board 15 is provided with a charging and discharging circuit, a short circuit protection circuit and a power display circuit. The charging and discharging circuit on the PCB 15 is connected to the rechargeable battery 11 , so that the charging line can charge the rechargeable battery 11 through the charging interface.

The positive terminal 111 of the rechargeable battery 11 is arranged on the rechargeable battery 11 and protrudes from the second end surface of the battery casing 10, and the negative terminal 112 of the rechargeable battery 11 is arranged on the first end surface of the battery casing 10, that is to say, the positive electrode The terminal 111 and the negative terminal 112 are respectively arranged on the two ends of the battery casing 10. The negative terminal 112 protrudes from the first end surface of the battery casing 10. The negative terminal 112 is a metal protruding ring. Of course, the negative terminal 112 can also be a protrusion arranged on the On the charging interface or discharging interface, as long as the rechargeable battery is installed in the battery box of the electric tool, the negative terminal 112 can be in contact with the battery spring. After the rechargeable battery assembly is installed in the battery compartment of the lamp, the The rechargeable battery assembly forms a power supply circuit with the light-emitting element through the positive terminal 111 and the negative terminal 112, so that the light-emitting element is energized and illuminated.

After the positive terminal 111 and the negative terminal 112 of the rechargeable battery assembly are short-circuited, the short-circuit protection circuit can cut off the power supply circuit, so as to prevent the battery from short-circuiting and exploding.

The first end face of the battery casing 10 is also provided with a discharge interface that can use the rechargeable battery 11 to charge the mobile device. The discharge interface is connected to the rechargeable battery 11 through the charge and discharge circuit on the PCB board 15. When the mobile phone was out of power, the rechargeable battery 11 could also charge the mobile phone by plugging the charging wire on the discharge interface.

As a preferred solution, the charging interface is a Mini USB interface 13, and the discharging interface is a standard USB interface 12. Generally, one end of the USB charging cable is a standard USB plug and the other end is a mini USB plug. When charging the rechargeable battery 11 , the standard USB plug of the USB charging cable is inserted on the computer, and the mini USB plug of the USB charging cable is inserted on the mini USB interface 13 to charge the rechargeable battery 11; when using the rechargeable battery 11 to charge the mobile phone 1. Insert the mini USB plug of the USB charging cable into the mobile phone, and plug the standard USB plug of the USB charging cable into the standard USB interface 13 to charge the mobile phone.

As a preferred solution, an indicator light 14 is also arranged at one end of the battery case 10, and the indicator light 14 is connected with the power display circuit on the PCB board 15. Green light will be displayed after the rechargeable battery 11 is fully charged to remind people of the power situation of the rechargeable battery 11 .

In addition, the rechargeable battery assembly can also include a plurality of battery casings 10, and a plurality of battery casings 10 are stacked, and a rechargeable battery 11 is arranged in each battery casing 10, and all rechargeable batteries 11 are connected to each other, and the rechargeable battery 11 Can be connected in series or in parallel with each other, wherein one of the battery shells 10 is provided with a Mini USB interface 13 for charging the rechargeable batteries 11 connected to each other and a standard USB interface 12 for discharging, like this, through the Mini USB interface 13 can Charge the rechargeable batteries 11 connected in series, or discharge the rechargeable batteries 11 connected in series through the standard USB interface 12 to charge mobile devices such as mobile phones.

Embodiment two

As shown in Figures 5 and 6, the positive terminal 111 protrudes from the second end surface of the battery case 10, the positive terminal 111 is located at the center of the second end surface, and the negative terminal 112 of the rechargeable battery 11 is arranged on the second end surface of the battery case 10. On the end face, the negative terminal 112 is a metal protruding ring. Of course, the negative terminal 112 can also be of other structures, as long as the rechargeable battery is installed in the battery box of the electric tool, the negative terminal 112 can be in contact with the battery spring. An insulating tape 116 is arranged between the positive terminal 111 and the negative terminal 112, and the negative terminal 112 is connected to the rechargeable battery 11 through the short-circuit protection circuit on the PCB board 15, so that after the rechargeable battery assembly is installed in the battery compartment of the lamp, The rechargeable battery assembly forms a power supply circuit with the light-emitting element through the positive terminal 111 and the negative terminal 112, so that the light-emitting element is energized and illuminated, and after the positive terminal 111 and the negative terminal 112 of the rechargeable battery assembly are short-circuited, the short-circuit protection circuit can be cut off Power supply circuit to avoid battery short circuit explosion.

The working principle and other parts of the structure of the rechargeable battery assembly in this embodiment are completely the same as those in Embodiment 1.

The above is only a description of the preferred examples of the application of the utility model, but it should not be understood as a limitation on the claims. The structure of the utility model can have other changes and is not limited to the above structure. In a word, all the various changes made within the scope of protection of the independent claims of the utility model are within the scope of protection of the utility model.

Claims (5)

1. A rechargeable battery pack, characterized in that, comprising: a battery housing (10) having a first end face and a second end face; A rechargeable battery (11), which is arranged in the battery casing (10); A charging interface, which is arranged on the first end surface of the battery casing (10) and is electrically connected to the rechargeable battery (11) for charging the rechargeable battery (11); The discharge interface is arranged on the first end surface of the battery casing (10) and is electrically connected to the rechargeable battery (11) for discharging the rechargeable battery (11) to charge the mobile device; a positive terminal (111), which is arranged on the rechargeable battery (11) and protrudes from the second end surface of the battery casing (10); The negative terminal (112) is arranged on the battery casing (10). 2. The rechargeable battery assembly according to claim 1, characterized in that: the negative terminal (112) is arranged on the second end surface of the battery casing (10), the positive terminal (111) and the negative terminal (112) An insulating tape (116) is arranged between them. 3. The rechargeable battery assembly according to claim 1, characterized in that: the negative terminal (112) is arranged on the first end surface of the battery case (10). 4. The rechargeable battery assembly according to claim 1, characterized in that: the charging interface is a Mini USB interface (13), and the discharging interface is a standard USB interface (12). 5. The rechargeable battery assembly according to claim 1, characterized in that there are multiple battery casings (10), and each battery casing (10) is provided with a rechargeable battery (11), all of which can The rechargeable batteries (11) are connected to each other, and any one of the battery shells (10) is provided with a charging interface for charging the rechargeable batteries (11) connected to each other and a discharge interface for discharging.