CN103730621A - Thin battery - Google Patents

Abstract

The invention provides a thin battery integrating an electric connector and a battery core, which comprises the battery core, a circuit board, the electric connector and an adhesive tape. The battery core comprises a top sealing area, a first electrode pole handle and a second electrode pole handle, wherein the first electrode pole handle and the second electrode pole handle are arranged in the top sealing area of the battery core. The circuit board is arranged in the top sealing area and comprises a first electrode welding pad and a second electrode welding pad, and the electric connector is arranged in the top sealing area and is electrically connected with the circuit board. The adhesive tape is provided with an opening which covers the battery core and the circuit board, so that the electric connector is exposed out of the opening. The electric connector can be used for the butt connector to be plugged with the mobile electronic device from the first direction or the second direction, so that the thin battery can be plugged with the mobile electronic device from the first direction or the second direction through the electric connector by arranging the butt connector on the mobile electronic device, and further the electric power of the thin battery can be supplied.

Description

thin battery

technical field

The present invention relates to a battery, especially a thin battery including an electrical connector. the

Background technique

In recent years, the development of smart phones or tablet computers has been rapid. Every time a new model is launched, it will cause consumers to rush to buy it. Its influence has penetrated into the lives of ordinary people, and even further changed consumers' social activities. For example, smartphones and tablets currently on the market are equipped with 3G and WiFi Internet access functions. Through the vigorous promotion of telecom operators and consumer electronics manufacturers in recent years, it has gradually become an indispensable part of many people's lives to search for information or browse the web anytime, anywhere. It has greatly changed the original situation that the Internet can only be accessed indoors or in some specific places, making life information more convenient and real-time. the

Although having Internet access and powerful multimedia playback capabilities is a major focus of attracting consumers' attention, for most consumers, the choice of portable electronic devices is not just for this, but because it has the aforementioned advantages, Must be light and thin. In order to make electronic devices with functions similar to personal computers light and thin, in addition to the improvement of IC technology, another key point is to increase the energy density of batteries. The so-called energy density is the amount of electricity that a battery can provide per unit volume or weight. Therefore, if the volume and weight of the battery can be reduced without reducing the capacity of the battery, the energy density of the battery can be effectively improved, and it is also helpful for its application in portable electronic devices. Lithium batteries are currently the most widely used power supply source for portable electronic devices. the

Therefore, in order to reduce the volume of the lithium battery, using welding technology to connect the lithium battery and the circuit board has the problem that it cannot be reworked or is difficult to rework, and it is necessary to find an alternative solution to solve it. the

Contents of the invention

The invention proposes a thin battery, which includes a battery core, a circuit board, an electrical connector and an adhesive tape. the

The battery core includes a top seal area, a first electrode handle and a second electrode handle, and the first electrode handle and the second electrode handle are arranged in the top seal area of the battery core. The circuit board is arranged in the top sealing area, including the first electrode pad and the second electrode pad. The electrical connector is disposed on the top sealing area and is electrically connected to the circuit board. The adhesive tape has an opening, and the adhesive tape wraps the battery core and the circuit board so that the electrical connector is exposed in the opening. the

Wherein, the first electrode handle is welded to the first electrode pad, and the second electrode handle is welded to the second electrode pad. the

The first electrode pad includes a first portion and a second portion opposite to the first portion, and the first portion and the second portion of the first electrode pad are separated by a first gap. the

The second electrode pad includes a first portion and a second portion opposite to the first portion, and the first portion and the second portion of the second electrode pad are separated by a second gap. the

The first electrode handle is inserted into the first gap. the

The second electrode handle is inserted into the second gap. the

The electrical connector contains:

The first insulating body includes two positioning slots and a plurality of terminal slots, each positioning slot has a first socket and a second socket, and the slot wall of each positioning slot is provided with a first guide slot, a second guide slot and a a recess, the first guide groove extends from the first socket to the recess along the first direction, the second guide groove extends from the second socket to the recess along the second direction, and the terminal grooves are arranged at intervals between the two positions Between the slots, each of the terminal slots has a third socket and a fourth socket; and

A plurality of conductive terminals are respectively arranged in the terminal slots. the

The electrical connector also contains:

The second insulating body includes two positioning plates, correspondingly connected to the two positioning grooves, each positioning plate includes a positioning protrusion, and the positioning protrusion is inserted into the recess from the first guide groove or the second guide groove and fixed the second insulating body to the first insulating body; and

A plurality of metal pins are arranged at intervals between the two positioning plates. When the positioning protrusion is inserted into the recess, the metal pins are respectively inserted into the terminal slots and electrically connected to the conductive terminals. the

One end of each conductive terminal is provided with a terminal bump. the

One end of each metal pin is provided with a terminal sliding groove, and when the two positioning plates are correspondingly connected to the two positioning grooves, the terminal bump is inserted into the terminal sliding groove. the

The invention integrates the electric connector and the battery core, so it can directly connect with the electronic device provided with the docking connector through the electric connector. In addition, the battery core does not additionally cover the shell, so the overall thickness can be reduced. The present invention is further described as follows with embodiments and accompanying drawings. the

Description of drawings

FIG. 1 is a schematic diagram (1) of the first embodiment of the present invention. the

Fig. 2 is a schematic diagram (2) of the first embodiment of the present invention. the

Fig. 3 is a schematic diagram (3) of the first embodiment of the present invention. the

FIG. 4 is a schematic diagram (1) of the electrical connector of the present invention. the

FIG. 5 is a schematic diagram (2) of the electrical connector of the present invention. the

FIG. 6 is a schematic diagram of plugging the electrical connector of the present invention along a first direction. the

FIG. 7 is a schematic diagram of the electrical connector of the present invention inserted along a second direction. the

Among them, reference signs:

1 thin battery

17 battery cells

171 Top Sealing Area 173 First Electrode Handle

174 Second electrode handle 179 Sealing edge

18 circuit board

183 First electrode pad 183A Part 1

183B Second part 183C First gap

184 Second Electrode Pad 184A Part 1

184B Second Part 184C Second Clearance

19 Electrical Connector 21 Tape

50 First insulating body 51 Positioning groove

511 The first socket 512 The second socket

513 The first guide slot 514 The second guide slot

515 recessed part 53 terminal slot

531 The third socket 532 The fourth socket

55 Conductive terminal 551 Terminal bump

60 Second insulating body 61 Positioning plate

611 Positioning bump 63 Metal pin

631 Terminal slide 80 First direction

90 second direction

Detailed ways

Please refer to FIG. 1 to FIG. 3 , which are schematic diagrams (1), schematic diagrams (2) and schematic diagrams (3) of the first embodiment of the present invention respectively, disclosing a thin battery 1 . The thin battery 1 includes a battery core 17 , a circuit board 18 , an electrical connector 19 and an adhesive tape 21 . the

The battery core 17 includes a top seal area 171, a first electrode handle 173 and a second electrode handle 174, the first electrode handle 173 and the second electrode handle 174 are arranged in the top seal area 171, wherein the first electrode handle 173 is a positive pole, and the second electrode handle 174 is a negative pole. The circuit board 18 is disposed in the top sealing area 171 , and the circuit board 18 includes a first electrode pad 183 and a second electrode pad 184 . The electrical connector 19 is disposed on the top seal area 171 and is electrically connected to the circuit board 18 . The adhesive tape 21 has an opening 211 , and the adhesive tape 21 wraps the battery core 17 and the circuit board 18 so that the electrical connector 19 is exposed through the opening 211 . The first electrode handle 173 is welded to the first electrode pad 183 , and the second electrode handle 174 is welded to the second electrode pad 184 . the

In one embodiment, the first electrode pad 183 includes a first portion 183A and a second portion 183B opposite to the first portion 183A, and the first portion 183A is folded toward the second portion 183B so that the first portion 183A is separated from the second portion 183B. The first gap 183C. Similarly, the second electrode pad 184 includes a first portion 184A and a second portion 184B, and the first portion 184A is folded toward the second portion 184B so that the first portion 184A and the second portion 184B are separated by a second gap 184C. Wherein, the first electrode handle 173 is inserted into the first gap 183C, and the second electrode handle 174 is inserted into the second gap 184C. In this way, the circuit board 18 can be roughly fixed on the top sealing area 171 of the battery core 17, and then the first electrode handle 173 is welded to the first electrode pad 183 by spot welding, and the second electrode The pole handle 174 is welded to the second electrode pad 184 . the

Please refer to Figures 4 to 7, which are schematic diagrams (1) and (2) of the electrical connector of the present invention, schematic diagrams of the electrical connector inserted along the first direction, and diagrams of the electrical connector inserted along the second direction schematic diagram. In an embodiment, the electrical connector 19 includes a first insulating body 50 and a plurality of conductive terminals 55 . The first insulating body 50 includes two positioning slots 51 and a plurality of terminal slots 53, each positioning slot 51 has a first socket 511 and a second socket 512, the groove wall of each positioning slot 51 is provided with a first guide slot 513, a second slot 51 Two guiding grooves 514 and a concave portion 515 . The first guide slot 513 extends from the first socket 511 to the recess 515 along the first direction 80 , and the second guide slot 514 extends from the second socket 512 to the recess 515 along the second direction 90 . The terminal grooves 53 are disposed between the two positioning grooves 51 at intervals, and each terminal groove 53 has a third socket 531 and a fourth socket 532 . A plurality of conductive terminals 55 are respectively disposed in the terminal slots 53 . the

In addition, the electrical connector 19 further includes a second insulating body 60 and a plurality of metal pins 63 . Two sides of the second insulating body 60 include two positioning plates 61, correspondingly connected to the two positioning grooves 51. Each positioning plate 61 includes a positioning protrusion 611, and the positioning protrusion 611 is inserted into the recess 515 from the first guide groove 511 (as shown in Figure 6) or the second guide groove 512 (as shown in Figure 7), and then fixed The second insulating body 60 is connected to the first insulating body 50 . A plurality of metal pins 63 are arranged at intervals between the two positioning plates 61 . When the positioning protrusion 611 is inserted into the recess 515 , the plurality of metal pins 63 are respectively inserted into the terminal slots 53 and electrically connected to the conductive terminals 55 . the

Therefore, as long as the first insulating body 50 and the conductive terminals 55 are arranged in the top sealing area 171, and the aforementioned second insulating body 60 and the metal pins 63 are arranged on the electronic device to be connected, the thin battery 1 can be connected from the first The direction 80 or the second direction 90 interfaces with the electronic device. the

In addition, in an embodiment, one end of each conductive terminal 55 is provided with a terminal bump 551 . One end of each metal pin 63 is provided with a terminal sliding groove 631 , and when the two positioning plates 61 are correspondingly connected to the two positioning grooves 51 , the terminal bump 551 is inserted into the terminal sliding groove 631 . the

Although the technical content of the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any changes and modifications made by those skilled in the art without departing from the spirit of the present invention shall be covered by the present invention. Within the scope of the present invention, therefore the scope of protection of the present invention shall be determined by the claims. the

Claims (9)

1. a thin battery, is characterized in that, comprises:

Battery, comprises closedtop district, the first electrode utmost point handle and the second electrode utmost point handle, and this first electrode utmost point handle and this second electrode utmost point handle are arranged at this closedtop district;

Circuit board, is arranged at this closedtop district, comprises the first electrode pad and the second electrode pad;

Electric connector, is arranged at this closedtop district, is electrically connected at this circuit board; And

Adhesive tape, has opening, coated this battery of this adhesive tape and this circuit board and make this electric connector be exposed to this opening;

Wherein, this first electrode utmost point handle is welded in this first electrode pad, and this second electrode utmost point handle is welded in this second electrode pad.

2. thin battery as claimed in claim 1, is characterized in that, this first electrode pad comprise first with respect to the second portion of this first, the first of this first electrode pad and second portion first gap that is separated by.

3. thin battery as claimed in claim 2, is characterized in that, this second electrode pad comprise first with respect to the second portion of this first, the first of this second electrode pad and second portion second gap that is separated by.

4. thin battery as claimed in claim 3, is characterized in that, this first electrode utmost point handle inserts this first gap.

5. thin battery as claimed in claim 4, is characterized in that, this second electrode utmost point handle inserts this second gap.

6. thin battery as claimed in claim 1, is characterized in that, this electric connector comprises:

The first insulating body, comprise two location notchs and a plurality of terminal groove, each this location notch has the first socket and the second socket, the cell wall of each this location notch is provided with the first guide groove, the second guide groove and a recess, this first guide groove extends to this recess from this first socket along first direction, this second guide groove extends to this recess from this second socket along second direction, and those terminal grooves are arranged at intervals between this two location notch, and each this terminal groove has the 3rd socket and the 4th socket; And

A plurality of conducting terminals, are arranged at respectively in those terminal grooves.

7. thin battery as claimed in claim 6, is characterized in that, this electric connector also comprises:

The second insulating body, comprises two location-plates, and correspondence is connected in this two location notch, and each this location-plate comprises a locating convex block, and this locating convex block embeds this recess and fixes this second insulating body in this first insulating body from this first guide groove or this second guide groove; And

A plurality of metal pins, are arranged at intervals between this two location-plate, and when this locating convex block embeds this recess, those metal pins insert respectively in those terminal grooves and are electrically connected at those conducting terminals.

8. thin battery as claimed in claim 6, is characterized in that, one end of each this conducting terminal is provided with a terminal salient point.

9. thin battery as claimed in claim 7, electric connector, is characterized in that, and one end of each this metal pin is provided with a terminal chute, and when this two location-plates correspondence is connected in this two location notch, this terminal salient point embeds in this terminal chute.

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