Mobile phone lithium battery flat cable with adjustable interface

Abstract

The interface-adjustable mobile phone lithium battery flat cable comprises a connecting piece, a battery positive electrode contact piece and a battery negative electrode contact piece, the connecting piece comprises a flexible circuit board, an upper insulating layer and a lower insulating layer, and the flexible circuit board comprises a first connecting section, a connecting bridge and a second connecting section. The battery anode contact piece and the battery cathode contact piece are symmetrically arranged on the two sides of the top of the first connecting section, the two ends of the first connecting section are connected with a first circuit board anode contact end and a second circuit board anode contact end respectively, and one end of the second connecting section is connected with a circuit board cathode contact end. The first circuit board positive electrode contact end and the second circuit board positive electrode contact end are both electrically connected with the battery positive electrode contact piece, and the circuit board negative electrode contact end is electrically connected with the battery negative electrode contact piece, so that a universal switching effect is achieved, connection between a conventional battery and a mobile phone flat cable is facilitated, and the connection adaptability between the conventional battery and the mobile phone flat cable is improved; the management difficulty of a mobile phone production enterprise can be reduced, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of battery cables, in particular to a mobile phone lithium battery cable with an adjustable interface. Background Art

[0002] Mobile phone lithium battery cable is a medium used to connect mobile phone lithium battery to mobile phone circuit board, and is widely used in mobile phones. Figure 5 The mobile phone cable 7 shown in the figure has two positive access terminals 70 and one negative access terminal 71 for the needs of mobile phone functions. In order to adapt to the connection of this cable, it is necessary to use the following Figure 4 The customized battery 5 shown in the figure is provided with two positive tabs 50 and one negative tab 51 according to the distribution position of the two positive access terminals 70 and one negative access terminal 71 of the mobile phone cable 7, so that the positive tabs 50 and negative tabs 51 can be directly connected to the positive access terminals 70 and negative access terminals 71. Figure 6 The conventional battery 6 shown has only one positive electrode ear 50 and one negative electrode ear 51. Such a conventional battery 6 cannot be directly connected to the mobile phone cable 7. Only a mobile phone cable compatible with the conventional battery 6 can be used. For mobile phone lithium batteries of different brands and models, the positions of the positive electrode ear 50 and the negative electrode ear 51 are not uniform. Mobile phone manufacturers need to stock a variety of forms of mobile phone cables, which increases the difficulty of production management of the company and is prone to the problem of incorrect material use. Summary of the Invention

[0003] The problem to be solved by the present invention is to provide a mobile phone lithium battery cable with an adjustable interface, which facilitates the connection between conventional batteries and mobile phone cables and improves the connection adaptability between conventional batteries and mobile phone cables.

[0004] To solve the above technical problems, a mobile phone lithium battery cable with an adjustable interface is provided in accordance with the utility model, which includes a connecting piece, a battery positive contact piece, and a battery negative contact piece. The connecting piece includes a flexible circuit board, an upper insulating layer coated on the top surface of the flexible circuit board, and a lower insulating layer coated on the bottom surface of the flexible circuit board. The flexible circuit board includes a first connecting section arranged in parallel, a connecting bridge connected to one side of the first connecting section, and a second connecting section connected to one end of the connecting bridge. The battery positive contact piece and the battery negative contact piece are symmetrically arranged on both sides of the top of the first connecting section. The two ends of the first connecting section are respectively connected to the positive contact end of the first circuit board and the positive contact end of the second circuit board, and one end of the second connecting section is connected to the negative contact end of the circuit board. The positive contact end of the first circuit board and the positive contact end of the second circuit board are both electrically connected to the positive contact piece of the battery, and the negative contact end of the circuit board is electrically connected to the negative contact piece of the battery.

[0005] Preferably, a reinforcing sheet is bonded to the middle portion of the bottom of the first connecting section.

[0006] Preferably, the reinforcing sheet is a FR-4 glass substrate.

[0007] The beneficial effects of the present invention are as follows: the present invention provides a mobile phone lithium battery cable with an adjustable interface. In order to realize the connection between a conventional battery and a mobile phone cable, the adapter cable of the present invention can be used. First, the positive ear and the negative ear of the battery are welded to the positive contact sheet and the negative contact sheet of the battery respectively. Then, according to the positions of the two positive access ends of the mobile phone cable, the two ends of the first connecting section are folded to make the positive contact end of the first circuit board and the positive contact end of the second circuit board align with the two positive access ends of the mobile phone cable respectively. Then, the connecting bridge is folded to make the second connecting section The second connecting section is overlapped on the back side of the first connecting section, and the second connecting section is folded according to the position of the negative access end of the mobile phone cable, so that the negative contact end of the circuit board is aligned with the negative access end of the mobile phone cable. The positive contact end of the first circuit board, the positive contact end of the second circuit board, and the negative contact end of the circuit board can be welded to the corresponding positive access end and negative access end of the mobile phone cable. The cable of this application plays the role of a universal adapter, which facilitates the connection between conventional batteries and mobile phone cables, improves the connection adaptability of conventional batteries and mobile phone cables, and can reduce the management difficulty of mobile phone manufacturers and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 The schematic diagram of the appearance structure of the utility model is illustrated.

[0009] Figure 2 The rear view of the second connecting section of the present invention in an unfolded state is illustrated.

[0010] Figure 3 The back view of the second connecting section of the present invention in the folded state is illustrated.

[0011] Figure 4 The structural diagram of the customized battery of the present invention is illustrated.

[0012] Figure 5 The diagram below illustrates the connection between the customized battery of the present invention and the mobile phone cable.

[0013] Figure 6 The schematic diagram of the structure of a conventional battery of the present invention is illustrated.

[0014] Figure 7 The diagram illustrates the connection between a conventional battery and a mobile phone cable of the present invention.

[0015] Explanation of the accompanying reference numerals: connecting piece 1, first connecting section 10, first circuit board positive contact terminal 100, second circuit board positive contact terminal 101, connecting bridge 11, second connecting section 12, circuit board negative contact terminal 120, battery positive contact piece 2, battery negative contact piece 3, reinforcing piece 4, customized battery 5, positive ear 50, negative ear 51, conventional battery 6, mobile phone cable 7, positive access terminal 70, negative access terminal 71. DETAILED DESCRIPTION

[0016] To make the purpose, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all of the embodiments.

[0017] Based on the described embodiments of the present disclosure, all other embodiments obtained by those skilled in the art without creative work shall fall within the scope of protection of the present disclosure.

[0018] refer to Figure 1-7 .

[0019] The utility model provides a mobile phone lithium battery cable with an adjustable interface, comprising a connecting piece 1, a battery positive contact piece 2, and a battery negative contact piece 3. The connecting piece 1 comprises a flexible circuit board, an upper insulating layer coated on the top surface of the flexible circuit board, and a lower insulating layer coated on the bottom surface of the flexible circuit board. The flexible circuit board comprises a first connecting section 10 arranged in parallel, a connecting bridge 11 connected to one side of the first connecting section 10, and a second connecting section 12 connected to one end of the connecting bridge 11. The battery positive contact piece 2 and the battery negative contact piece 3 are symmetrically arranged on both sides of the top of the first connecting section 10. The two ends of the first connecting section 10 are respectively connected to the first circuit board positive contact terminal 100 and the second circuit board positive contact terminal 101. One end of the second connecting section 12 is connected to the circuit board negative contact terminal 120. The first circuit board positive contact terminal 100 and the second circuit board positive contact terminal 101 are both electrically connected to the battery positive contact piece 2, and the circuit board negative contact terminal 120 is electrically connected to the battery negative contact piece 3.

[0020] Its working principle is that in order to realize the connection between the conventional battery 6 and the mobile phone cable 7, the adapter cable of the present invention can be used. First, the positive ear 50 and the negative ear 51 of the battery are welded to the positive contact sheet 2 and the negative contact sheet 3 of the battery respectively. Then, according to the position of the two positive access terminals 70 of the mobile phone cable 7, the two ends of the first connecting section 10 are folded so that the positive contact terminal 100 of the first circuit board and the positive contact terminal 101 of the second circuit board are aligned with the two positive access terminals 70 of the mobile phone cable 7 respectively. Then, the connecting bridge 11 is folded so that the second connecting section 12 overlaps with the back side of the first connecting section 10, and The second connecting section 12 is folded according to the position of the negative electrode access terminal 71 of the mobile phone cable 7 so that the negative electrode contact terminal 120 of the circuit board is aligned with the negative electrode access terminal 71 of the mobile phone cable 7. The positive electrode contact terminal 100 of the first circuit board, the positive electrode contact terminal 101 of the second circuit board, and the negative electrode contact terminal 120 of the circuit board can be welded to the corresponding positive electrode access terminal 70 and negative electrode access terminal 71 of the mobile phone cable 7. The cable of the present application serves as a universal adapter, facilitates the connection between the conventional battery 6 and the mobile phone cable 7, improves the connection adaptability of the conventional battery 6 and the mobile phone cable 7, and can reduce the management difficulty of mobile phone manufacturers and reduce production costs.

[0021] Based on the above embodiment, a reinforcing sheet 4 is bonded to the middle of the bottom of the first connecting section 10, which can enhance the rigidity of the middle area of the first connecting section 10, ensure the stable position of the battery positive contact sheet 2 and the battery negative contact sheet 3, and ensure that the positive and negative ears of the battery can stably contact with the battery positive contact sheet 2 and the battery negative contact sheet 3.

[0022] Based on the above embodiment, the reinforcing sheet 4 is a FR-4 glass substrate, which has high mechanical and dielectric properties, good heat resistance and moisture resistance, and good machinability.

[0023] The above embodiments are merely descriptions of preferred embodiments of the present invention and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A mobile phone lithium battery cable with an adjustable interface, characterized in that: It comprises a connecting piece, a battery positive contact piece, and a battery negative contact piece. The connecting piece comprises a flexible circuit board, an upper insulating layer coated on the top surface of the flexible circuit board, and a lower insulating layer coated on the bottom surface of the flexible circuit board. The flexible circuit board comprises a first connecting section arranged in parallel, a connecting bridge connected to one side of the first connecting section, and a second connecting section connected to one end of the connecting bridge. The battery positive contact piece and the battery negative contact piece are symmetrically arranged on both sides of the top of the first connecting section. The two ends of the first connecting section are respectively connected to the positive contact end of the first circuit board and the positive contact end of the second circuit board. One end of the second connecting section is connected to the negative contact end of the circuit board. The positive contact end of the first circuit board and the positive contact end of the second circuit board are both electrically connected to the positive contact piece of the battery, and the negative contact end of the circuit board is electrically connected to the negative contact piece of the battery.

2. The mobile phone lithium battery cable with adjustable interface according to claim 1, characterized in that: A reinforcing sheet is bonded to the middle portion of the bottom of the first connecting section.

3. The mobile phone lithium battery cable with adjustable interface according to claim 2, characterized in that: The reinforcing sheet is a FR-4 glass substrate.

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