JPH08180846A - Structure of secondary battery housing part in electronic equipment - Google Patents

Abstract

PURPOSE: To enhance the degree of freedom in design and also enhance the waterproofing property and dust preventing property of an external charging terminal part by providing such a constitution that the position of an external charging terminal can be fitted regardless of the position of the charging terminal part of a secondary battery. CONSTITUTION: In an electronic equipment in which a secondary battery 3 is provided in an equipment body, and the equipment body is formed of a body case 1 for housing the secondary battery 3, and a battery lid 2 having a connector to be brought into contact with the charging terminal parts 4, 5, 6 of the secondary battery 3 in the inner part and also having external charging terminals 7, 8, 9, the battery lid 2 internally has a wiring structure distributed so as to change the positional relation between the connector and the external charging terminals 7, 8, 9. The battery lid 2 further has a sealing structure for preventing water and dust among the external charging terminals 7, 8, 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a secondary battery storage structure in an electronic device which uses a rechargeable secondary battery and further has an external charging terminal for externally charging the secondary battery in a main body. It is a thing.

[0002]

2. Description of the Related Art In recent years, portable electronic devices typified by portable telephones have been widely used which have a secondary battery as a power source which can be reused by charging. FIG. 5 shows an external charging terminal portion provided on a battery lid for connecting to a storage portion of a secondary battery and an external charger (not shown) in a portable electronic device represented by a conventional mobile phone. It shows the positional relationship of. As shown in the figure, the device body of the portable electronic device includes a case body 51 and a battery lid 52 having an external charging terminal portion, and inside the case body 51, for example, nickel manganese is used as a typical example. A secondary battery 53 using a (NiMH) battery or the like is stored.

Conventionally, in the case of an electronic device which charges the secondary battery 53 from the outside with the secondary battery 53 stored inside the case body 51, as shown in the figure, Positional relationship of a positive pole terminal (+) 54, a negative pole terminal (-) 55 as a charging terminal of the battery 53, and a thermistor terminal (T) 56 for checking the charging state of the secondary battery 53 by temperature. Corresponding to, the external charging terminal (+) 57, the external charging terminal (-) 58, and the external charging terminal (T ) 59 was equipped.

[0004]

However, the above-described structure of the external charging terminal portion in the portable electronic device has the problems listed below. That is, 1. The position of each charging terminal differs depending on the standard and specifications of the secondary battery, and the arrangement relationship at the connecting portion is not compatible with an external charger, which is not economical. 2. The position of each external charging terminal is usually far from the terminal part of the device body that is the connection part of the external charger,
Since they are not arranged in a line, there is a concern that a reliable contact cannot be made at the connection terminal with an external charger. 3. Since the external charging terminal portion is configured only by press-fitting and adhering the spring pin, the secondary battery housing portion is poor in waterproofness and dustproofness. 4. Since the position of the external charging terminal of the device body case is determined according to the position of the charging terminal of the commercially available secondary battery, the degree of freedom in design is low and it is not economical. There were problems such as.

An object of the present invention is to design a secondary battery storage unit structure in an electronic device having a secondary battery so that the positions of external charging terminals are aligned regardless of the positions of the charging terminals of the secondary battery. It is to be able to increase the degree of freedom. Another object of the present invention is to enhance waterproofness and dustproofness of the external charging terminal portion.

[0006]

In order to solve the above problems, the invention according to claim 1 stores a secondary battery, and a storage portion provided with a connector for contacting a charging terminal portion of the secondary battery. And a secondary battery storage unit structure in an electronic device including an external charging terminal for connecting to an external charger, the secondary battery storing section structure being arranged so as to change a positional relationship between the connector and the external charging terminal. And a wiring structure that is provided in the device body.

According to a second aspect of the present invention, a device main body having a secondary battery storage portion for storing the secondary battery, a connector for contacting a charging terminal portion of the secondary battery on an inner wall portion, A secondary battery storage unit structure in an electronic device, comprising: a battery lid including an external charging terminal on an outer wall portion, wherein the battery lid changes a positional relationship between the connector and the external charging terminal. It is characterized by a structure provided with a wired wiring structure.

The invention according to claim 3 is the same as claim 1
Alternatively, the invention described in 2 is further characterized in that the external charging terminal is provided with a sealing structure for waterproofing and dustproofing.

[0009]

According to the invention described in claim 1, the arrangement of the secondary battery housing portion having the connector for contacting the charging terminal portion of the secondary battery and the external charging terminal for connecting to the external charger. Since the electronic device main body was equipped with a wiring structure that was routed so as to change the relationship, it is possible to arrange the external charging terminal part at the end part of the device main body regardless of the position of the charging terminal part of the secondary battery. It is possible to make sure contact with an external charger.

According to the second aspect of the invention, the position of the connector to be brought into contact with the charging terminal portion of the secondary battery stored in the secondary battery storage portion of the electronic device body and the external charging terminal provided on the outer wall side. Since the battery lid is provided with the wiring structure that is routed so as to change the relationship, the positions of the external charging terminals provided on the battery lid can be aligned. Therefore, it is not necessary to replace the electronic device depending on the specifications of the secondary battery, it is possible to have compatibility with an external charger by only replacing the battery lid, and it is possible to increase the degree of freedom in design. .

Further, according to the third aspect of the invention, since the external charging terminal is provided with the sealing structure for waterproofing and dustproofing, the waterproofing and dustproofing of the external charging terminal portion can be enhanced.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the secondary battery storage unit structure in an electronic device according to the present invention will be described below with reference to FIGS. First, FIG. 1 shows a storage part of a secondary battery and an external charging terminal part for connecting to an external charger in a portable electronic device as an example to which the present invention is applied. The case of application to a telephone will be described. As shown in the figure, the device body of the mobile phone is composed of a case body 1 and a battery lid 2. Inside the case body 1, for example, a secondary battery using a nickel manganese (NiMH) battery as a typical example. It contains the battery 3.

The secondary battery 3 has a positive electrode terminal (+) 4 and a negative electrode terminal (-) 5 as charging terminals, and a thermistor terminal (for checking the state of the secondary battery 3 by temperature ( T) 6 is provided in a positional relationship as shown. The position of this charging terminal is almost the same as that of the conventional example shown in FIG. The battery cover 2 has
As shown in (a), external charging terminal (+) 7, external charging terminal (-) 8, external charging terminal (T) 9, control terminal 1
0 and control terminals 11 are arranged in a horizontal row. The control terminal 10 and the control terminal 11 have the functions of the mobile phone,
This is for linking a control function with a charger (not shown) connected at the time of charging, and makes contact with main body control terminals 30 and 31 provided inside the case main body, respectively.

Further, the battery cover 2 has a structure shown in FIGS.
As shown in (c), an inner cover 12 is provided, and the inner cover 12 has a positive electrode terminal (+) 4, a negative electrode terminal (-) 5, and a thermistor terminal (T) of the secondary battery 3. Connector (+) for making contact with 6 respectively
13, a connector (−) 14 and a connector (T) 15 are arranged, and a control connector 16 and a control connector 17 are arranged. The control connector 16 and the control connector 17 are for connecting each function of the device body (body case 1) to an external charger by connecting with the body control terminals 30 and 31. The connector (+) 13, the connector (-) 14, the connector (T) 15, the control connector 16, and the control connector 17 are formed by processing a plate-shaped metal conductor into a plate spring shape. The inner cover 12 is fixed to the battery lid 2 with screws 18, 18 and 18 at three locations, and the bosses 19, 19, 19, 19, formed integrally at five locations inside the battery lid 2. The part corresponding to 19 is open.

When the inner surface cover 12 is removed, as shown in FIG.
As shown in (d), the external charging terminal (+) 7, the external charging terminal (-) 8, the external charging terminal (T) 9, the control terminal 1
0, the control terminal 11, and the connector (+) 13, the connector (-) 14, the connector (T) 15, the control connector 16, and the control connector 17, respectively, the metal fittings 20, 21, 22, 23, 24. Has a wiring structure. That is, with a shape as shown in the drawing, a routing metal fitting (+) 20 for routing the external charging terminal (+) 7 to the connector (+) 13
And a wiring fitting (-) 21 for routing the external charging terminal (-) 8 to the connector (-) 14.
And a metal fitting (T) 22 for connecting the external charging terminal (T) 9 to the connector (T) 15.
And a control terminal routing metal fitting 23 for routing the control terminal 10 to the control connector 16 and a control terminal routing metal fitting 24 for routing the control terminal 11 to the control connector 17. There is.

These routing fittings (+) 20, routing fittings (-) 21, routing fittings (T) 22, control terminal routing fittings 23, control terminal routing fittings 24 are
It is composed of a thin plate-shaped metal conductor. Further, the routing metal (+) 20 is divided into two parts, and the diode 25 is provided in the divided part. This diode 2
Reference numeral 5 is for preventing the backflow of the (+) pole (-) pole caused by the installation error of the secondary battery. And
The above-mentioned wiring fittings (+) 20, wiring fittings (-) 2
1, the routing metal (T) 22, the control terminal routing metal 23, and the control terminal routing metal 24 are bosses 26, 26, 26, 26, which are integrally formed at five locations inside the battery lid 2.
26 and the bosses 19, 19, 19, 19, 19 respectively, and these bosses 26, 26, 26, 26,
26 and the bosses 19, 19, 19, 19, 19 are respectively heat-welded to be fixed inside the battery lid 2.

Further, the inside of the battery lid 2 is waterproof between the external charging terminal (+) 7, the external charging terminal (-) 8, the external charging terminal (T) 9, the control terminal 10 and the control terminal 11, respectively. -It has a structure with a seal member to prevent dust. That is, as shown in FIG. 4, inside the battery lid 2, a plate-frame-shaped silicon rubber 27 as a seal member is interposed between the periphery of the external terminal mounting hole 28 and the routing metal (+) 20. It is equipped. This silicone rubber 2
7 is installed in a recess 29 formed on the inner surface side around the external terminal mounting hole 28 of the battery lid 2, and presses the silicone rubber 27 so as to contact the external charging terminal (+) 7 The (+) 20 is fixed as described above. Regarding this sealing structure, it is between the external charging terminal (−) 8, the external charging terminal (T) 9, the control terminal 10 and the control terminal 11, that is, the wiring fitting (−) 21 and the wiring fitting (T). 22), the control terminal routing metal 23, the control terminal routing metal 24, and the external terminal mounting holes 28, 28, 28, 28.

As described above, in the portable telephone, the metal fittings (+) 20, the metal fittings (-) 21, the metal fittings (T) 22, the control terminal metal fittings 23, the control terminal metal fittings are provided inside the battery lid 2. Since the wiring structure is such that 24 is routed, the external charging terminal (+) is attached to the battery lid 2.
7, the external charging terminal (−) 8, the external charging terminal (T) 9, the control terminal 10, and the control terminal 11 can be arranged in a horizontal row corresponding to the connection portion with the external charger. Therefore,
Regardless of the positions of the positive electrode terminal (+) 4, the negative electrode terminal (-) 5, and the thermistor terminal (T) 6 of the secondary battery 3,
The external charging terminal (+) 7, the external charging terminal (-) 8, the external charging terminal (T) 9, the control terminal 10 and the control terminal 11 are arranged at positions where charging can be reliably performed when the mobile phone is placed on the charger. can do.

Further, the positive electrode terminal (+) of the secondary battery 3
4, negative pole terminal (-) 5, thermistor terminal (T)
Even if the position of 6 differs according to the standard, only the battery lid 2 needs to be replaced, so that it is economical because it is not necessary to purchase a mobile phone and a charger according to the specifications of the secondary battery. In addition, inside the battery lid 2, the external charging terminal (+) 7,
Between the external charging terminal (−) 8, the external charging terminal (T) 9, the control terminal 10 and the control terminal 11, that is, the wiring fitting (+) 20, the wiring fitting (−) 21, the wiring fitting (T) 22. , Control terminal routing metal 23, control terminal routing metal 24 and external terminal mounting holes 28, 28, 2
Silicon rubber 27, 27, 2 between 8, 28, 28
Recesses 29, 29, 2 by interposing 7, 27, 27 respectively
Since they are arranged so as to be pressed against 9, 29 and 29 respectively, the inside of the battery lid 2 is prevented from being flooded from the outside and is excellent in waterproofness and dustproofness.

Although the above embodiment is applied to a mobile phone, the present invention is not limited to this, and the point is that an external device for storing a secondary battery in the device body and connecting it to a charger is used. A household cordless telephone or another electronic device may be used as long as it has a charging terminal portion. Also,
The arrangement, design, etc. of the external charging terminal portion are not limited to one horizontal row, and any other detailed detailed structure can be appropriately changed as long as the wiring structure changes the positional relationship of the terminals. Of course. The present invention can be applied even when the external charging terminal is provided on the device body side, and in this case, this wiring structure can be applied inside the device body.

[0021]

As described above, according to the first aspect of the present invention, in order to connect the secondary battery storage unit having the connector for contacting the charging terminal of the secondary battery with the external charger. Since the electronic device body is equipped with a wiring structure that is routed so as to change the layout relationship with the external charging terminal, the external charging terminal part is not affected by the position of the charging terminal part of the secondary battery. It can be placed in a section and can be surely brought into contact with an external charger.

According to the second aspect of the present invention, the positional relationship between the external charging terminal and the connector that is brought into contact with the charging terminal portion of the secondary battery stored in the secondary battery storage portion of the electronic device body is changed. Since the battery lid is equipped with a wiring structure that is routed to the outside, not only can it make reliable contact with an external charger, but it can also be compatible with an external charger simply by replacing the battery lid according to the specifications of the secondary battery. Can also have
The degree of freedom can be increased in terms of design.

According to the second aspect of the invention, since the sealing structure for waterproofing and dustproofing the external charging terminal is further provided, the waterproofing and dustproofing of the external charging terminal portion can be enhanced.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of essential parts showing a storage part of a secondary battery and an external charging terminal part for connecting to an external charger in a portable electronic device as an example to which the present invention is applied.

2A and 2B are external views of the battery lid of FIG. 1, in which FIG. 2A is a plan view showing an exterior surface, and FIG. 2B is a side view of the same.

3 shows the internal structure of the battery lid of FIG. 1, (c)
Is a rear view showing the inner surface side, and (d) is a view with the inner surface cover of (c) removed.

FIG. 4 is an exploded perspective view showing a sealing structure of an external charging terminal portion of the battery lid of FIG.

FIG. 5 is an exploded perspective view of a main part showing a storage part of a secondary battery and an external charging terminal part for connecting to an external charger in a portable electronic device represented by a conventional mobile phone.

[Explanation of symbols]

 1 Body Case 2 Battery Lid 3 Secondary Battery 4, 5, 6 Charging Terminal 7, 8, 9 External Charging Terminal 10, 11 Control Terminal 12 Inner Surface Cover 13, 14, 15, 16, 17 Connector 18 Screw 19, 26 Boss 20 , 21, 22, 23, 24 Wiring bracket 25 Diode 27 Seal member (silicon rubber) 28 External terminal mounting hole 29 Recessed portion 30, 31 Main unit control terminal

Claims (3)

[Claims] 1. A storage part having a connector for storing a secondary battery and contacting a charging terminal part of the secondary battery, an external charging terminal for connecting to an external charger, the connector, A secondary battery storage part structure in an electronic device, comprising: a wiring structure that is routed so as to change a positional relationship with the external charging terminal. 2. A device main body having a secondary battery storage part for storing a secondary battery, a connector for contacting a charging terminal part of the secondary battery on an inner wall part, and an external charging terminal on an outer wall part. A secondary battery in an electronic device, comprising: a battery lid provided with the battery lid, wherein the battery lid has a wiring structure that is routed so as to change a positional relationship between the connector and the external charging terminal. Storage structure. 3. The external charging terminal is provided with a sealing structure for waterproofing and dustproofing.
Alternatively, the secondary battery storage unit structure in the electronic device according to the item 2.