CN205081164U - Positive negative pole is with soft packet of cylinder battery and battery terminal of end - Google Patents

Abstract

The utility model relates to a positive negative pole is with soft packet of cylinder battery of end, include electric core and the anodal utmost point ear and the negative pole utmost point ear of drawing forth respectively from electric core both ends, its characterized in that, anodal utmost point ear makes anodal utmost point ear through metal connecting piece, and draw or negative pole utmost point ear makes negative pole utmost point ear draw from the one end of anodal utmost point ear through metal connecting piece from the one end of negative pole utmost point ear, make anodal utmost point ear and negative pole extremely the ear lie in the same one end of electric core. The utility model discloses a positive negative pole is ingenious with soft packet of cylinder battery structure of end, can dismantle with components and parts and be connected, and installation and dismantlement are convenient, and the range of application is wide.

Description

Soft-packed cylindrical battery with positive and negative poles at the same end and battery terminals

technical field

The utility model relates to the technical field of batteries, in particular to a soft-packed cylindrical battery with positive and negative electrodes at the same end and a battery terminal.

Background technique

At present, the soft-packed cylindrical battery usually has a structure in which the positive and negative tabs are respectively drawn from both ends of the battery. When the soft-packed cylindrical battery of this structure is applied to components, it is necessary to weld the positive and negative tabs of the soft-packed cylindrical battery with wires and then connect them to the components. connect. Therefore, the existing combination of soft-pack cylindrical batteries and components has the following disadvantages: the positive and negative tabs are connected to the components by wire welding, which is inconvenient and non-detachable; in order to achieve better connection with the components , The size of the pouch cylindrical battery usually needs to be customized, which makes it difficult to apply the pouch cylindrical battery to other components or electronic products. Therefore, the application range of the pouch cylindrical battery is limited to a certain extent.

Utility model content

The purpose of the utility model is to provide a soft-packed cylindrical battery with positive and negative electrodes at the same end. The soft-packed cylindrical battery with the positive and negative electrodes at the same end has an ingenious structure, can be detachably connected with components, is easy to install and disassemble, and has a wide range of applications.

A soft-packed cylindrical battery with positive and negative poles at the same end, including a battery cell and positive and negative pole tabs drawn from both ends of the battery cell; it is characterized in that the positive pole tab is connected to the negative pole through a metal connector One end of the lug is drawn out or the negative pole lug is drawn out from one end of the positive pole lug through a metal connector, so that the positive pole lug and the negative pole lug are located at the same end of the cell.

Further, a fixing device for fixing the positive pole tab and the negative pole tab is also included.

Further, the fixing device includes a cylindrical sleeve; the electric core and the metal connector are arranged in the cylindrical sleeve; the cylindrical sleeve is heat-shrinked and shaped at a high temperature to play a fixing role.

Further, the fixing device also includes a fixing cover; the fixing cover is provided with a through hole through which the positive pole lug and the negative pole lug protrude.

Further, the through hole matches the shape of the positive tab and the negative tab.

Further, the fixing device includes a battery terminal; one side of the battery terminal is provided with two metal contact points for connecting the positive tab and the negative tab respectively, and the opposite side is provided with a positive contact and a contact piece for connecting with an external device. negative contact.

Further, the positive electrode contact and the negative electrode contact are metal cylindrical probes, metal flat probes, or metal solder joints.

Further, the metal connector is a metal wire, a metal strip or a metal guide pin.

The utility model also provides a battery terminal, which is applied to a soft-packed cylindrical battery with the positive and negative poles located at the same end of the battery cell; one side of the battery terminal is provided with two terminals respectively used to connect the positive pole. The metal contact point of the lug and the negative pole lug, and the opposite side is provided with a positive pole contact and a negative pole contact for connecting with an external device.

The utility model has the following beneficial effects:

1) The positive and negative poles of the soft-pack cylindrical battery are drawn from the same end to form a standard plug-in battery, which can facilitate the connection of the soft-pack cylindrical battery and components;

2) The soft-packed cylindrical battery with the positive and negative electrodes at the same end can be improved on the existing soft-packed cylindrical battery. , metal belt and other auxiliary means, so that the positive and negative electrodes of the soft-packed cylindrical battery are at the same end of the soft-packed cylindrical battery, which is convenient for improvement;

3) The structural design of the battery terminal is simple and ingenious, one side of which is connected to the positive and negative poles of the soft-packed cylindrical battery, and the other end forms a positive and negative contact for connecting with external devices, so that the soft-packed cylindrical battery and external devices The connection is more convenient. When the positive and negative contacts are in the form of metal probes, the connection method between the soft-pack cylindrical battery and the external device can be directly inserted into the embedded device, so that the soft-pack cylindrical battery and the external device can be detachably connected, which is simple and convenient; When the positive and negative contacts are in the form of metal solder joints, the connection between the pouch cylindrical battery and external devices can be welded at the same end of the positive and negative electrodes or pressure contact, which is simple, fast and convenient.

Description of drawings

FIG. 1 is a schematic diagram of an embodiment of a soft-packed cylindrical battery with positive and negative electrodes at the same end.

Fig. 2 is a top view of the pouch cylindrical battery with the positive and negative electrodes at the same end in Fig. 1 .

Fig. 3 is a perspective view of another embodiment of a pouch cylindrical battery with positive and negative electrodes at the same end.

FIG. 4 is a schematic diagram of a battery terminal in another embodiment.

FIG. 5 is a schematic diagram of a battery terminal in another embodiment.

FIG. 6 is a schematic diagram of a battery terminal in another embodiment.

Explanation of reference numerals: 1 is a battery cell, 2 is a positive pole lug, 3 is a negative pole lug, 4 is a cylindrical sleeve, 41 is a fixed cover, 5 is a battery terminal, 6 is a metal connector, and 51 is a positive pole contact piece , 52 is the negative electrode contact.

detailed description

The soft-packed cylindrical battery with the positive and negative terminals of the present invention will be further described in detail in conjunction with specific embodiments and accompanying drawings.

As shown in Figures 1 to 3, in a preferred embodiment, the soft-packed cylindrical battery with the positive and negative electrodes at the same end of the present invention includes a cell and positive and negative tabs drawn from both ends of the cell. The positive tab is led out to the end where the negative tab is located through the metal connector, or the negative tab is drawn out to the end where the positive tab is located through the metal connector, so that the positive tab and the negative tab are located at the same end of the cell. Wherein, the metal connectors include but are not limited to the following forms: metal wires, metal strips, or metal guide pins.

The pouch cylindrical battery with the positive and negative terminals at the same end also includes a fixing device for fixing the positive tab and the negative tab. As shown in Figure 1, the fixing device includes a cylindrical sleeve. Cells and metal connectors are accommodated in cylindrical sleeves. The cylindrical sleeve is fixed by heat shrinkage at high temperature. The fixing device also includes a fixing cover. The fixed cover is provided with a through hole through which the positive pole lug and the negative pole lug protrude. The through hole matches the shape of the positive and negative tabs.

In another embodiment, the securing means includes battery terminals. The approximate shape of the battery terminal is a disk. One side of the battery terminal is provided with two metal contact points for connecting the positive tab and the negative tab respectively, and the opposite side is provided with a positive contact piece and a negative contact piece for connecting with external devices. The positive and negative contacts include, but are not limited to, the following forms: metal cylindrical probes, metal flat probes, or welding contacts. Understandably, the positive electrode contact and the negative electrode contact can also be in other conductive shapes. Preferably, the battery terminal and the battery cell can be fixed to each other by insulating fixing glue.

The positive and negative poles of the soft-packed cylindrical battery with the positive and negative poles of the utility model are drawn from the same end to form a standard plug-in battery, which can facilitate the connection between the soft-packed cylindrical battery and components; the soft-packed cylindrical battery with the positive and negative poles at the same end It can be improved on the existing soft-packed cylindrical battery. The positive and negative electrodes of the existing soft-packed cylindrical battery are respectively drawn from both ends of the soft-packed cylindrical battery. By welding wires, metal strips and other auxiliary means, the soft-packed cylindrical The positive and negative poles of the battery are at the same end of the soft-packed cylindrical battery, which is convenient for improvement.

As shown in Figures 4 to 6, the present application model also provides a battery terminal, which is applied to a soft-packed cylindrical battery with the positive and negative tabs located at the same end of the battery cell. The approximate shape of the battery terminal is a disk. One side of the battery terminal is provided with two metal contact points for connecting the positive tab and the negative tab respectively, and the opposite side is provided with a positive contact piece and a negative contact piece for connecting with external devices. The positive and negative contacts include, but are not limited to, the following forms: metal cylindrical probes, metal flat probes, or welding contacts. Understandably, the positive electrode contact and the negative electrode contact can also be in other conductive shapes. Preferably, the battery terminal and the battery cell can be fixed to each other by insulating fixing glue.

The structure design of the battery terminal of the utility model is simple and ingenious, one side of which is connected to the positive and negative poles of the soft-packed cylindrical battery, and the other end forms a positive and negative contact piece for connecting with external devices, so that the soft-packed cylindrical battery is connected to the external device The connection is more convenient. When the positive and negative contacts are in the form of metal probes, the connection method between the soft-packed cylindrical battery and the external device can be directly inserted and embedded, so that the soft-packed cylindrical battery and the external device can be detachably connected, which is simple and convenient ; When the positive and negative contacts are in the form of metal solder joints, the connection between the pouch cylindrical battery and the external device can be welded at the same end of the positive and negative electrodes, which is simple, fast and convenient.

Although the description of the utility model is performed in conjunction with the above specific embodiments, it is obvious that those skilled in the art can make many substitutions, modifications and changes based on the above contents. Accordingly, all such alternatives, modifications and changes are intended to be included within the spirit and scope of the appended claims.

Claims (10)

1. A soft-packed cylindrical battery with positive and negative poles at the same end, comprising a battery cell and a positive pole tab and a negative pole tab respectively drawn from two ends of the battery cell; it is characterized in that the positive pole tab is connected to the positive pole through a metal connector. The ear is led out from one end of the negative pole ear or the negative pole ear is drawn out from one end of the positive pole ear through a metal connector, so that the positive pole ear and the negative pole ear are located at the center of the cell same end. 2 . The soft-packed cylindrical battery with positive and negative electrodes at the same end according to claim 1 , further comprising a fixing device for fixing the positive electrode tab and the negative electrode tab. 3 . 3. The soft-packed cylindrical battery with positive and negative electrodes at the same end according to claim 2, wherein the fixing device comprises a cylindrical sleeve; the battery cell and the metal connector are arranged in the cylindrical sleeve ; The cylindrical casing is fixed by shrinking and shaping under high temperature. 4. The soft-packed cylindrical battery with the positive and negative poles at the same end according to claim 3, wherein the fixing device further comprises a fixing cover; out the through hole. 5 . The soft-packed cylindrical battery with positive and negative electrodes at the same end according to claim 4 , wherein the through hole matches the shape of the positive electrode tab and the negative electrode tab. 6 . 6. The soft-packed cylindrical battery with positive and negative poles at the same end according to claim 2, wherein the fixing device includes a battery terminal; one side of the battery terminal is provided with two terminals for connecting the positive pole respectively. The metal contact point of the lug and the negative pole lug, and the opposite side is provided with a positive pole contact and a negative pole contact for connecting with an external device. 7 . The soft-packed cylindrical battery with positive and negative electrodes at the same end according to claim 6 , wherein the positive electrode contact and the negative electrode contact are metal cylindrical probes, metal flat probes, or metal solder joints. 8. The soft-packed cylindrical battery with positive and negative electrodes at the same end according to claim 1, wherein the metal connector is a metal wire, a metal strip or a metal guide pin. 9. A battery terminal, which is characterized in that it is applied to a soft-packed cylindrical battery with the positive and negative poles at the same end of the battery cell with the positive tab and the negative tab located at the same end of the battery cell; one side of the battery terminal is provided with two The metal contact point connecting the positive pole tab and the negative pole tab is provided with a positive pole contact piece and a negative pole contact piece for connecting with an external device on the opposite side. 10 . The battery terminal according to claim 9 , wherein the positive contact and the negative contact are metal cylindrical probes, metal flat probes, or metal solder joints. 11 .