TWI403012B - Safety power supply aggregate battery formed by a plurality of soft packing secondary cells - Google Patents

Description

A set of batteries that are safely powered by a plurality of flexible packaging secondary batteries

The present invention is an assembled battery structure constructed by connecting a plurality of flexible packaging secondary batteries.

Based on the actual demand for high-output batteries, the battery industry's practical technology is to connect a large number of single cells in series or in parallel to form an integrated battery with a high output.

Please refer to FIG. 1 , which is a patent of US Pat. No. 7,707,718, which was previously developed by the inventor of the present invention. The main purpose is to install a plurality of single batteries 10 and a corresponding number of fuses 11 in a special frame 12 to form an assembled battery. When any single battery fails and the current value exceeds the rated value, the single fuse directly connected to the faulty battery will be activated and disconnected. The single battery of the fault is isolated from other single batteries. The single battery that can be exempted from the failure causes the problem of the entire assembled battery failure.

It is worth noting that the single battery used in the prior art is a hard-packaged 18650-size battery.

However, as shown in FIG. 2, for the conventional flexible packaging secondary battery 20, the flexible packaging secondary battery has the advantages of light weight, flattening, etc., however, for the battery industry, it has not been developed yet. A more feasible flexible packaging package for the safe operation of secondary batteries. Therefore, the inventor of the present invention has designed a collection of a plurality of flexible packaging secondary batteries for a flexible packaging secondary battery.

An object of the present invention is to provide an assembled battery that is safely powered by a plurality of flexible packaging secondary batteries, and a positive or negative terminal of each flexible packaging secondary battery is connected to a fuse, so that each of the flexible packaging secondary batteries is separately provided The fuse is connected and constitutes an assembled battery through the positive conductive strip and the negative conductive strip as the overall power output. When any of the flexible packaging secondary batteries fails and the current passing through the fuse exceeds the rated value, the faulty flexible packaging secondary battery The directly connected fuse will actuate to cut off the connection with the positive or negative conductive strip, and the faulty flexible packaging secondary battery is isolated from the other non-faulty flexible packaging secondary batteries, and the faulty battery can be eliminated to cause the entire assembled battery to malfunction. The problem is to have a higher collection battery usage security.

The present invention has been described in connection with the preferred embodiments of the present invention in accordance with the accompanying drawings.

First, please refer to the figures 3, 4, and 5, which are provided in an embodiment of the present invention, which comprises a plurality of flexible packaging secondary batteries to form a safely-powered assembled battery, which is mainly provided with a plurality of flexible packagings in a frame. a secondary battery, a positive conductive strip, and a negative conductive strip, and a plurality of fuses are connected between the positive terminal of each flexible packaging secondary battery and the positive conductive strip to form an assembled battery, wherein: the frame 30 has a shape formed on the inner side The groove 31 is disposed on the circumference of the accommodating groove 31. The two side frames corresponding to the accommodating groove are defined as two longitudinal frames 32, and the other two sides of the two longitudinal frames 32 are defined. The corresponding frame is defined as two horizontal frames 33. The flexible package secondary battery 40 has a positive terminal 41 and a negative terminal 42 extending from one end. The flexible package secondary battery 40 is disposed in the receiving slot 31 of the frame 30, and the The positive electrode terminal 41 and the negative electrode terminal 42 are located at the notch of the accommodating groove 31. The positive electrode conductive strip 50 has two sets of terminals 51. The positive electrode conductive strip 50 is mounted on the notch of the accommodating groove 31, and the two sets are arranged. End 51 is fixed separately The positive conductive strip 50 is electrically connected to the positive terminal 41 or the negative terminal 42 of the flexible packaging secondary battery 40; the negative conductive strip 60 has two sets of terminals 61, and the negative conductive strip 60 is The two sets of the ends 61 are fixed to the two lateral frames 33, and the negative conductive strips 60 are electrically connected to the positive terminal 41 or the negative terminal 42 of the flexible packaging secondary battery 40; The fuse 70 has two connecting ends 71 72, one connecting end 71 is connected to the positive electrode strip 50, and the other connecting end 72 is electrically connected to the positive terminal 41 of the flexible packaging secondary battery 40, so that each flexible packaging secondary battery 40 is directly connected to a fuse 70 directly, and passes through the positive electrode strip 50 and the negative electrode strip 60 as a battery 100 for power output.

The above description is the structure of each main component of the embodiment of the present invention and its configuration description. As for the usage mode and the function of the embodiment of the present invention, please refer to the third, fourth and fifth figures, the flexible packaging secondary battery. The 40 series is installed in the accommodating groove 31 of the frame 30, and the positive terminal 41 of the flexible packaging secondary battery 40 is connected to the fuse 70, and then electrically connected to the positive electrode strip 50, and the negative terminal 42 is electrically connected. Then, the negative electrode conductive strip 60 is electrically connected, and the positive electrode and the negative electrode conductive strip 50 60 are transmitted as the power output of the assembled battery 100.

Referring to FIGS. 3 and 4, the positive terminal 41 of each flexible package secondary battery 40 is connected to a fuse 70, so that each of the flexible package secondary batteries 40 is directly connected to a fuse 70 and transmitted through the positive electrode. The conductive strip 50 and the negative electrode conductive strip 60 serve as the power output of the assembled battery 100. When any one of the flexible package secondary batteries 40 fails and the current passing through the fuse 70 exceeds the rated value, the faulty flexible package secondary battery 40 The directly connected fuse 70 is actuated to cut off its connection with the positive electrode conductive strip 50, which is isolated from the other unbroken secondary batteries 40, and the single flexible package secondary battery 40 can be dispensed with from the failure. The problem that leads to the failure of the entire assembled battery 100 is high security.

It is to be noted that the fuse 70 is connected to the positive terminal 41 of each flexible package secondary battery 40 as shown in FIG. 4, and the fuse 70 and the flexible package secondary battery may be as shown in FIG. The negative terminal 42 of 40 is connected, and when the current passing through the fuse 70 exceeds the rated value, the fuse 70 is disconnected and protected.

Referring to FIG. 7, this is a state in which four flexible packaging secondary batteries 40 are connected in parallel, wherein the positive terminals 41 of the four flexible packaging secondary batteries 40 are connected to a fuse 70 and then electrically connected to the positive electrode. The strips 50 are electrically connected, and the negative electrode terminals 42 are electrically connected to the negative electrode conductive strips 60. Thereby, the electric power of the four flexible packaging secondary batteries 40 can be connected in parallel and electric power is supplied from the positive and negative conductive strips 50 60 . Output.

Referring to FIG. 8, this is a state in which four flexible package secondary batteries 40 are connected in series, wherein the positive terminals 41 of the four flexible package secondary batteries 40 are connected to a fuse 70, and then The four flexible packaging secondary batteries are connected in series to form a series battery pack 43 and formed with a positive output terminal 431 and a negative output terminal 432, and the positive output terminal 431 is electrically connected to the positive conductive strip 50, and the negative electrode is electrically connected. The output end 432 is electrically connected to the negative electrode bus bar 60 to output electric power.

Referring to FIG. 9, this is a state in which the four flexible packaging secondary batteries 40 are connected in series and in parallel, and the positive terminals 41 of the four flexible packaging secondary batteries 40 are connected to a fuse 70, respectively. The two flexible packaging secondary batteries 40 are connected in series to form a first assembled battery 44 and have a positive output terminal 441 and a negative output terminal 442, and then connect the other two flexible packaging secondary batteries 40 into a second assembled battery 45. A positive output terminal 451 and a negative output terminal 452, the positive output terminal 441451 of the first and second battery 4445 is electrically connected to the positive conductive strip 50, and the negative output terminal 442452 is electrically connected to the negative conductive strip 60. .

10‧‧‧single battery

11‧‧‧Fuse

12‧‧‧Frame

20‧‧‧Flexible secondary battery

30‧‧‧Frame

31‧‧‧ accommodating slots

32‧‧‧ Vertical border

33‧‧‧Horizontal border

40‧‧‧Flexible secondary battery

41‧‧‧ positive terminal

42‧‧‧Negative terminal

43‧‧‧Series battery pack

431‧‧‧ positive output

432‧‧‧negative output

44‧‧‧First battery

441‧‧‧ positive output

442‧‧‧Negative output

45‧‧‧Second battery

451‧‧‧ positive output

452‧‧‧ positive output

50‧‧‧positive conductive strip

51‧‧‧Set

60‧‧‧Negative Conductive Strip

61‧‧‧Set end

70‧‧‧Fuse

71 72‧‧‧Connecting end

100‧‧‧Collection battery

Figure 1 is a schematic view of the structure of U.S. Patent No. 7,707,718.

Fig. 2 is a schematic view showing the structure of a conventional flexible packaging secondary battery.

Figure 3 is an exploded perspective view of the present invention.

Figure 4 is a perspective view of the present invention.

Figure 5 is a cross-sectional view of Figure 4.

Figure 6 is a schematic diagram showing the connection state of the fuse to the negative terminal.

Fig. 7 is a schematic view showing the parallel state of four flexible packaging secondary batteries of the present invention.

Figure 8 is a schematic view showing the series state of four flexible packaging secondary batteries of the present invention.

Figure 9 is a schematic diagram showing the parallel connection state of four flexible packaging secondary batteries of the present invention.

30‧‧‧Frame

31‧‧‧ accommodating slots

32‧‧‧ Vertical border

33‧‧‧Horizontal border

40‧‧‧Flexible secondary battery

41‧‧‧ positive terminal

42‧‧‧Negative terminal

50‧‧‧positive conductive strip

51‧‧‧Set

60‧‧‧Negative Conductive Strip

61‧‧‧Set end

70‧‧‧Fuse

71 72‧‧‧Connecting end

Claims (5)

An assembled battery comprising a plurality of flexible packaging secondary batteries, comprising: a frame, a receiving groove is formed on the inner side, and the peripheral side of the receiving groove is surrounded by four side frames, the receiving groove phase The corresponding two side frames are defined as two longitudinal frames, and the other two sides corresponding to the two vertical frames are defined as two horizontal frames; a plurality of flexible packaging secondary batteries have a positive terminal and a negative terminal at one end, and the The flexible packaging secondary battery is disposed in the receiving groove of the frame, and the positive terminal and the negative terminal are located in the notch of the receiving groove; a positive conductive strip has two sets of terminals, and the positive conductive strip is erected The second conductive frame is electrically connected to the positive terminal or the negative terminal of the flexible packaging secondary battery; and a negative conductive strip is disposed on the notch of the accommodating groove; The second conductive strip is erected on the notch of the accommodating groove, and the two set ends are respectively fixed on the two lateral frames, and the negative conductive strip is connected to the flexible packaging secondary battery The terminal or the negative terminal is electrically connected; the plurality of fuses have two connecting ends, one of the connecting ends is connected with the positive or negative conductive strip, and the other connecting end is electrically connected with the positive terminal or the negative terminal of the flexible packaging secondary battery Each of the flexible packaging secondary batteries is directly connected to one of the fuses, and the positive conductive strip and the negative conductive strip are used as a battery for power output. According to the first aspect of the patent application, a plurality of flexible packaging secondary batteries constitute a safely-powered assembled battery, wherein four flexible packaging secondary batteries are installed in the receiving grooves of the frame. According to the second aspect of the patent application, a plurality of flexible packaging secondary batteries constitute a safely powered assembled battery, wherein the positive terminals of the four flexible packaging secondary batteries are respectively connected to the fuses and then to the positive conductive strips. The electrical connection is electrically connected, and the negative terminal is electrically connected to the negative conductive strip. According to the second aspect of the patent application, a plurality of flexible packaging secondary batteries constitute a safely powered assembled battery, wherein the positive terminals of the four flexible packaging secondary batteries are respectively connected to a plurality of the fuses, and then the four a flexible packaging secondary battery is connected in series to form a series battery pack, and has a positive output end and a negative output end, and the positive output end is electrically connected to the positive conductive strip, and the negative output end is The negative electrode conductive strip is electrically connected to output electric power. According to the second aspect of the patent application, a plurality of flexible packaging secondary batteries constitute a safely powered assembled battery, wherein the positive terminals of the four flexible packaging secondary batteries are each connected to a fuse, and two of the flexible packages are The secondary batteries are connected in series to form a first group of batteries and have a positive output terminal and a negative output terminal, and then the other two flexible packaging secondary batteries are connected in series to form a second battery group having a positive output terminal and a negative output terminal. And electrically connecting the positive output end of the first and second sets of batteries to the positive conductive strip, and the negative output end is electrically connected to the negative conductive strip to output power.