JPH0963654A - Charger for battery of portable telephone - Google Patents

Abstract

PROBLEM TO BE SOLVED: To bring a charging terminal into contact with a power terminal for charging with high reliability by providing this charger with a means which engages with one part of the battery installed at a battery mount, and besides regulates the upper position in the direction of the charging terminal of the battery pressing the power terminal for charging of the charger body. SOLUTION: A charger 120 is composed of a charger body 121, a bottom plate 123, and a circuit board assembly 124, and the body 121 is provided with a battery mount 125 to mount a battery. This battery mount 125 is made in recess form out of a ramp 130, side walls 131 and 132, and a bottom wall 133, and a power terminal 140-1, etc., are projected from openings 141. Ribs 137, which engage with the lock grooves of the battery mounted on the battery mount 125 and regulate the upper position in the direction of charge terminals pressing the power terminals 140-1 for charging are provided on the side walls 131 and 132. Moreover, recesses 138 and 139 which engage with the projections of the battery mounted and regulate the upper position in the direction of the charge terminals being dislocated from the power terminal 140-1 for charging are provided at the bottom wall 133.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery charger for a mobile phone, and more particularly to a charger for charging a battery attached to the mobile phone. It is important for the charger that charges the battery that the contact between the charging terminal of the battery and the charging terminal of the charger is reliable when the battery is mounted on the charger.

[0002]

2. Description of the Related Art FIG. 37 schematically shows an example of a conventional battery charger 10 for a mobile phone. The charger 10 includes a charger body 11 and a charging power supply terminal 12. The charger body 11 has a battery mounting portion 13. The battery 14 has a charging terminal 16 on the lower end surface 15. The battery mounting portion 13 of the charger main body 11 has a concave configuration corresponding to the shape of the battery 14.

The battery 14 is mounted on the battery mounting portion 13, the charging terminal 16 is brought into contact with the charging power source terminal 12, and is charged by the charger 10.

[0004]

However, since the conventional battery charger 10 for a mobile phone has a configuration in which the battery 14 is simply placed on the battery mounting portion 13 and mounted, the charging terminal 16 and the charging power source are provided. The contact pressure with the terminal 12 is
It depends solely on the weight of the battery 14, and in some cases, a sufficient contact pressure (for example, about 30 gr) may not be obtained.

The battery 14 has a battery mounting portion 13
The battery 1 is simply placed and attached to the battery 1.
4 may be displaced, and the charging terminal 16 may come off the charging power source terminal 12. Therefore, an object of the present invention is to provide a battery charger for a mobile phone, which solves the above problems.

[0006]

According to a first aspect of the present invention, there is provided a charger having a charging terminal for charging a battery configured to be mounted on a mobile phone, the charger having a battery mounting portion to which the battery is mounted. A charger main body, a charging power supply terminal projecting from the battery mounting portion of the charger main body, and a part of the battery mounting portion of the charger main body, which is mounted on the battery mounting portion. In addition, the charging terminal is configured to include a pressing direction position restricting means that engages with a part of the battery and restricts the charging terminal above the charging power terminal.

According to a second aspect of the present invention, there is provided a charger main body having a charging terminal and having a battery mounting portion to which the battery is mounted, the charger main body charging the battery configured to be mounted on the mobile phone. A charging power source terminal projecting from the battery mounting portion of the charger main body, and a part of the battery mounted to the battery mounting portion of the charger main body, A pressing direction position restricting means for engaging and restricting the charging terminal above the charging power source terminal is provided, and the battery mounting portion of the charger main body is provided in a part of the battery mounting portion. It is configured to include a displacement direction position restricting means that engages with a part of the battery mounted on the mounting part and restricts the position of the charging terminal above the charging power source terminal in the direction of displacement.

According to a third aspect of the present invention, there is provided a charger for charging a plurality of types of batteries having different capacities, each of which has a charging terminal on a mounting surface of the mobile phone. The thickness of the charging terminal provided portion provided with the terminal has the same configuration, the charger,
A charger main body having a battery mounting portion into which the battery is inserted and mounted, a charging power supply terminal protruding from the battery mounting portion of the charger main body, and a battery mounting portion of the charger main body. It is provided in a part of the battery and is configured to include a sandwiching position regulating means for sandwiching the charging terminal disposition portion of the battery mounted in the battery mounting portion to regulate the position.

According to a third aspect of the present invention, in the battery charger for a mobile phone according to the third aspect, there is further provided a rib having a rim having a shape corresponding to a common contour of a plurality of types of batteries having different capacities. However, while limiting the insertion of the battery that is trying to be inserted in a direction other than the normal direction, the battery inserted in the normal direction is configured to be positioned upward in the direction in which the charging terminal presses against the charging power supply terminal. It is what

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION

[Schematic Configuration of Battery Charger for Mobile Phone] As shown in FIG. 1, a battery charger 20 for mobile phone includes a charger main body 21, a charging power supply terminal 22, and a first position restricting means 23. Have. The charger main body 21 has a battery mounting portion 24. The battery 30 has a charging terminal 32 on the lower end surface 31. Battery mounting portion 24 of the charger main body 21
Is a concave configuration corresponding to the shape of the battery 30,
It is inclined. The charging power supply terminal 22 is provided so as to project from the lower end of the battery mounting portion 24.

The first position regulating means 23 charges the battery 30 mounted in the battery mounting portion 24 to the power source terminal 2 for charging.
The position is regulated in the Y1 and Y2 directions while being pressed against 2. The battery 30 is mounted on the battery mounting portion 24 in an oblique posture with the charging terminal 32 facing downward, and is positionally regulated in the Y1 and Y2 directions by the first position regulating means 23, and the charging terminal 32 is a power source for charging. The terminal 22 is pressed against the terminal 22. The contact pressure of the charging terminal 32 to the charging power source terminal 22 is determined irrespective of the weight of the battery 30, and is a sufficient contact pressure (for example, about 30 gr). Therefore, the battery 30 is reliably charged by the charger 20.

The battery charger 20 for the mobile phone shown in FIG.
A has a configuration in which a second position restriction unit 25 is added to the battery charger 20 for a mobile phone of FIG. Second
The position restricting means 25 restricts the position of the battery 30 mounted on the battery mounting portion 24 in the Z1 and Z2 directions while being pressed against the battery mounting portion 24. The Z1 and Z2 directions are directions orthogonal to the Y1 and Y2 directions.

The battery 30 is mounted on the battery mounting portion 24 in an oblique posture with the charging terminal 32 facing downward,
The position regulating means 23 regulates the positions in the Y1 and Y2 directions so that the charging terminal 32 is pressed against the charging power source terminal 22 and the second position regulating means 25 causes the Z1 and Z2 directions. The position is restricted. Charging terminal 32
The contact pressure of the charging terminal 32 with the charging power terminal 22 is sufficient (for example, about 30 gr), and the charging terminal 32
Is kept in contact with the charging power supply terminal 22 without the risk of coming off the charging power supply terminal 22. Therefore, the battery 30 is more reliably charged by the charger 20A as compared with the case of using the charger 20.

[Configuration of Mobile Phone and Battery for Mobile Phone] Here, the mobile phone and the battery for the mobile phone will be described. As shown in FIG. 3, the mobile phone 40 has an operation unit 41, a display unit 42, and the like on the front side, an antenna 43 on the upper side, and a battery mounting unit 44 on the back side. The operation unit 41 is usually a flipper 45.
Are covered by. The battery mounting portion 44 is provided with terminals (not shown).

A plurality of types of batteries having different capacities, for example, three types (S, M, L types) of batteries are prepared as the batteries to be attached to the battery attaching portion 44. FIG.
An S-type battery 50 is shown. The S-type battery 50 has a thick card shape, and has a flat mounting surface 51,
The outer surface 52 opposite to the mounting surface 51 and the Y on the X1, X2 side
It has side surfaces 53 and 54 extending in the 1, Y2 direction, an end surface 55 at the Y2 direction end, and an end surface 56 at the Y1 direction end.
The side surfaces 53 and 54 have curved surface portions 57 and 58 having a substantially arc shape on the side closer to the outer surface 52.

As shown in FIG. 4C, the end surface 55 has
Four terminals, that is, a charging terminal 59-1, a battery identification terminal 59-2, and a temperature detection terminal 59 are provided at the center in the X1 and X2 directions.
-3 and a ground terminal 54-4 are provided in a line from X1 to X2. In addition, the end surface 55 is provided with a pair of convex portions 60 and 61 at positions near the X1 and X2 sides. The pair of convex portions 60 and 61 have the following three functions.

A portion that is locked by the second position restricting means 25 is configured. This will be described later. The pair of convex portions 60 and 61 has four terminals 59-1 to 5-5.
9-4, and four terminals 59-1 to 59-1
It is located on both sides of 59-4. When the S-type battery 50 is accidentally dropped and the end surface 55 is directed downward, and the like, the convex portions 60 and 61 hit the floor, and the terminal 59-1
~ 59-4 is prevented from hitting the floor surface, the terminal 59-
1-59-4 are protected.

As shown in FIG. 3B, it functions as a leg when the mobile phone 40 is placed upright on the table 62. When the S-type battery 50 is turned upside down and attached to the charger, it functions so that the terminals 59-1 to 59-4 do not come into contact with the terminals of the charger. This will be described later.

As shown in FIG. 4 (A), four terminals, that is, a battery output terminal 63-1, a battery identification terminal 63-2, and a temperature detection terminal, are provided in a portion of the mounting surface 51 near the end surface 55. 63-3 and a ground terminal 63-4 are provided in a line from X1 to X2. As shown in FIGS. 4 (B) and 4 (C), Z is attached to a portion of the side surfaces 53 and 54 near the end surface 56.
Locking grooves 65 and 66 extending in the Z1 direction and the rib 6
7 and 68.

The engagement groove 65 extends in the Z1 and Z2 directions as shown in an enlarged view in FIGS. 5 and 6 (A) to 6 (D), and has a bottom surface 70, facing side surfaces 71, 72 and the inner surface 73, and has an inlet 74 at the Z2 end. Entrance 74
Has a shape diverging toward the Z2 direction. This is because the locking groove 65 facilitates engagement with the battery charger, as will be described later. The back surface 73 is a plane parallel to the XY plane, as shown in FIG. The rib 67 is provided on the Z1 end side of the locking groove 65 so as to protrude slightly from the side surface 53 by a dimension a and extend in the Y1 and Y2 directions.

Locking groove 66 and rib 68 on the side surface 54 side
Has the same shape as the engaging groove 65 and the rib 67. The ribs 67 and 68 have the following two functions. As shown in FIG. 7, when the S-type battery 50 is detached from the mobile phone 40, a portion to be held by a fingertip when the operator grips the S-type battery 50 is provided.

As will be described later, an S-type battery 50
Is used to regulate the position of the S-type battery 50 when the battery is attached to the battery charger. FIG. 4 (B)
As shown in FIG. 5, the S-type battery 50 has a portion 75 in which a terminal is incorporated in a portion facing the end surface 55. The terminal built-in portion 75 has a thickness t1.

Further, as shown in FIG. 4B, the S-type battery 50 has a structure in which an upper case 76 and a lower case 77 are joined by ultrasonic welding. Here, FIG.
As shown in (A) and (B), stepped portions 78 and 79 are formed at the edge of the upper case 76. Upper case 76
Since there are steps 78 and 79 at the edge of the
The type battery 50 has high mechanical strength, and even when joined by ultrasonic welding, the upper case 76
Is prevented from floating with respect to the lower case 77.

Further, as shown in FIG. 4B, the engaging grooves 65 and 66 and the projections 60 and 61 for restricting the mounting position of the S-type battery 50 in the battery charger are both in the lower case 77. It is formed on. Therefore, the positional accuracy of the locking grooves 65, 66 and the convex portions 60, 61 is not affected by ultrasonic welding at all. Therefore, the S-type battery 50 is normally positioned in the battery charger.

There are two types of S-type batteries 50, depending on the type of battery. One is a Ni-Cd S-type battery 50A, and as shown in FIG.
Cd battery 80, diode D, poly switch P
It has a circuit configuration including a TC and a resistor R. The other one is a Ni-MH S-type battery 50B, and as shown in FIG. 10, five Ni-MH batteries 81, a diode D, a polyswitch PTC, and a thermistor TH,
It has a circuit configuration having a temperature breaker B and a resistor R. Here, reference numeral 50 is an S-type battery 5 of Ni-Cd.
0A and Ni-MH S-type battery 50B.

Next, the structure of the terminal built-in portion 75 of the S-type battery 50 will be described. Terminal built-in part 75
11 is an upper case 76 and a lower case 77, as shown in FIG.
This is a configuration in which the terminal assembly 90 shown in FIGS. 12A to 12C is incorporated in a narrow space between and.

The terminal assembly 90 is shown in FIGS. 13 (A) and 13 (B).
The terminal assembly 91 shown in is set in a molding die and insert-molded, and the molded synthetic resin portion 92 and the terminal assembly 91 are integrated. The terminal assembly 91 is obtained by bending a blank 93 having a predetermined shape shown in FIG. Blank 93 (plate material)
Has a structure in which a stainless steel plate 94 of SUS304 having a thickness of 0.1 to 0.2 mm and a nickel plate 95 having a thickness of 0.1 to 0.15 mm are bonded by a glass epoxy layer 96. The nickel plate 95 constitutes the contact surface of the terminal and also constitutes the extraction pattern 98. Stainless plate 9
Numeral 4 reinforces the nickel plate 95 forming the contact surface of the terminal and constitutes a fixing wing 99. The glass epoxy layer 96 has a role of adhesion and a role of insulation. In the terminal assembly 90, the diode D and the resistor R are provided only on the surface 100.
Electrical components 101 such as are mounted. Surface 100 is shown in FIG.
1 is a downwardly inclined surface. The terminal assembly 90 is fixed by screwing both ends of the fixing wing 99 to the lower case 77. Since the terminal assembly 90 is small, it is installed in the narrow space between the upper case 76 and the lower case 77.

FIGS. 15A to 15C show the L-type battery 110. The L-type battery 110 is the S-type battery 5
The structure is the same as that of the S-type battery 50 described above except that a portion indicated by reference numeral 111 is added to 0 to make it thicker. That is, the portion of the L-type battery 110 indicated by reference numeral 112 has the same size and shape as the S-type battery 50. FIGS. 4A to 4D in FIGS. 15A to 15C.
The same reference numerals are given to the portions corresponding to the constituent portions shown in.

Further, as shown in FIG. 15 (B), the L-type battery 110 has a portion 113 in which a terminal is incorporated in a portion facing the end surface 55. This terminal built-in part 11
3 is a corresponding terminal built-in portion 7 of the S-type battery 50.
It has the same thickness t1 as 5. In addition, the L-type battery 110
There are two types depending on the type of battery. One is N
The i-Cd L-type battery 110A has a circuit configuration including five Ni-Cd batteries 80, a diode D, and a poly switch PTC, as shown in FIG.
The other one is a Ni-MH L-type battery 110B, and as shown in FIG.
1, a diode D, a polyswitch PTC, a thermistor TH, and a temperature breaker B. Here, reference numeral 110 means both the Ni-Cd L-type battery 110A and the Ni-MH L-type battery 110B.

[Configuration of Battery Charger for Mobile Phone]
As shown in FIGS. 18, 19, and 20, a battery charger 120 for a mobile phone is fastened together with a charger main body 121, a bottom plate 123 screwed to the bottom of the charger main body 121 with a screw 122, and a screw 122. And a circuit board assembly 124 fixed to the charger body 121.

The charger 120 has a first battery mounting portion 125 on the front side and the first battery mounting portion 125.
The second battery mounting portion 126 is provided on the back side of the. First
The battery mounting portion 125 is concave and accommodates the mobile phone 40 to which the S-type battery 50 is attached or the mobile phone 40 to which the L-type battery 110 is attached.
Alternatively, the S-type battery 50 or the L-type battery 110 can be housed independently. Second battery mounting portion 12
Reference numeral 6 is a tunnel shape, and has a configuration in which the S-type battery 50 or the L-type battery 110 can be housed independently.

The first battery mounting portion 125 has a concave shape formed by the inclined plate portion 130, side wall portions 131 and 132 on both sides thereof, and a bottom wall portion 133 on the lower end side of the inclined plate portion 130. The concave first battery mounting portion 125 is
It has a size corresponding to the L-type battery 110, and has an opening 134 on the Y2 end side and an opening 135 on the Z1 side. The XY plane is parallel to the plane of the inclined plate portion 130. The Z axis is perpendicular to the plane of the inclined plate portion 130.

The opening 134 of the side wall portions 131 and 132
The ribs 136 and 137 are provided at the side portions. Rib 13
6, 137 are locking grooves 65, 6 of the batteries 50, 110.
It has a shape corresponding to 6, and extends in the Z1 and Z2 directions. The ribs 136 and 137 form pressing direction position restricting means.

The bottom wall 133 has recesses 138 and 139 on the X1 and X2 side. This recess 138, 1
39 constitutes a displacement direction position regulating means. As shown in an enlarged view in FIG. 22, the bottom wall portion 133 has an opening edge surface 133 a at the edge of the opening 135. The opening edge surface 133a forms an angle α (about 10 degrees) in the Y1 direction with respect to the extension surface of the bottom wall portion 133.
It is inclined. End 1 in the Z1 direction of the opening edge surface 133a
33b is a position slightly displaced from the recesses 138 and 139 in the Z1 direction. The opening edge surface 133a functions to make it easier to remove the mobile phone 40 from the first battery mounting portion 125, as described later.

Further, as shown in FIG. 22, a recess 138,
Of the surfaces forming 139, the surface 13 on the inclined plate portion 130 side
9a is inclined at an angle β (approximately) in the Z1 direction with respect to a surface perpendicular to the surface of the bottom wall portion 133. This surface 139a
Functions to facilitate mounting of the mobile phone 40 on the first battery mounting portion 125, as described later.

Further, the charging power source terminal 140-1, the battery identifying terminal 140-2, the temperature detecting terminal 140-3, and the grounding terminal 140-4 protrude from the opening 141 of the bottom wall portion 133, and are in the X1 and X2 directions. Are lined up. The terminal 140
18, -1 to 140-4 are bent with one end connected to the connecting bar portion 142 as shown in FIG. 18, and are attached to the back surface of the inclined plate portion 130 as shown in FIG. Finally, by cutting off the connecting bar portion 142, it is attached with good position accuracy and workability. Also, as shown in FIG. 22, terminals 140-1 to 140-1
140-4 has a large R arcuate portion 143.
The large R arcuate portion 143 acts so that stress is less likely to concentrate, and the terminals 140-1 to 140-4 have a long life.

The second battery mounting portion 126 includes the inclined plate portion 150, the inclined plate portion 130, side wall portions 151 and 152 on both sides of the inclined plate portion 150, and a bottom wall portion 153 on the lower end side of the inclined plate portion 150. And has a tunnel shape.
The tunnel-shaped second battery mounting portion 126 has a size corresponding to the L-type battery 110 and has the opening 1 on the Y2 end side.
54.

The opening 154 of the side walls 151 and 152
Ribs 155 and 156 are provided on the outer side portions. The ribs 155 and 156 are the ribs 67 of the batteries 50 and 110,
It has a shape corresponding to 68 and extends in the Y1 and Y2 directions. As also shown in FIG. 21, the bottom wall portion 153 has recesses 157 and 158 on the X1 and X2 side. The side walls 151 and 152 on both sides have three ribs 1 respectively.
59 and 160 are provided at intervals in the Y1 and Y2 directions.
Each of the ribs 159 and 160 has a holding portion 15 having a shape corresponding to the substantially arcuate curved surface portions 57 and 58 of the batteries 50 and 110.
It has 9a and 160a. The ribs 159 and 160 are
When the S-type battery 50 and the L-type battery 110 are about to be inserted in the direction opposite to the normal direction, they serve to limit the insertion.

The inclined plate portion 130 has a lower surface 130.
Of the a, three ribs 161 are provided on the inner portion of the second battery mounting portion 126. The three ribs 161 are
It is provided with a space in the X1 and X2 directions and extending in the Y1 and Y2 directions. The three ribs 161 are the end faces 16
1a and the end surface 161b. The end surface 161a is located closer to the inner part of the second battery mounting portion 126, has an interval b with respect to the inclined plate portion 150, and is parallel to the upper surface of the inclined plate portion 150. The interval b is the thickness t1 of the terminal-incorporated portion 75 of the S-type battery 50 shown in FIG.
The thickness is the same as the thickness t1 of the terminal incorporated portion 113 of the L-type battery 110 shown in FIG. Three ribs 160
The (end surface 160a) has a function of pressing the terminal incorporation portion 75 of the mounted S-type battery 50 and the terminal incorporation portion 113 of the L-type battery 110 to the terminal side.
The end surface 160b is an inclined surface corresponding to the portion 111 of the L-type battery 110.

Further, the charging power supply terminal 165-1, the battery identification terminal 165-2, the temperature detection terminal 165-3, and the ground terminal 165-4 project from the opening 162 of the inclined plate portion 150 and are in the X1 and X2 directions. Are lined up. The terminal 16
As shown in FIG. 18, 5-1 to 165-4 are bent with one end connected to the connecting bar portion 166, and are attached to the back surface of the inclined plate portion 150 as shown in FIG. Finally, by cutting off the connecting bar portion 166, it is attached with good position accuracy and workability.

Further, as shown in FIG.
Are mounted by directly soldering the terminals 171 to the circuit board 172. As shown in FIG. 20, the LED 170 is fitted and positioned in the hole 173 of the charger body 121 when the circuit board 172 is screwed to the charger body 121. The LED 170 emits light during the charging operation.

[Mounting of Mobile Phone or Battery for Mobile Phone on Charger] (1) Mobile Phone 4 with S-Type Battery 50 Attached
When 0 is attached to the first battery attachment unit 125, the operator supports the mobile phone 40 to which the S-type battery 50 is attached in a posture in which the surface 46 on the side opposite to the antenna 43 faces downward, and first, The surface 46 side is lowered to the Y1 end side of the first battery mounting portion 125, and then the mobile phone 40 is tilted in the A1 direction, so that the mobile phone 40 to which the S-type battery 50 is attached is shown in FIG. After the state shown by the dotted line, as shown in FIG. 23, it is mounted on the first battery mounting portion 125.

The Y1 end side of the mobile phone 40 is shown in FIG.
4, the convex portions 60 and 61 are not shown in the concave portion 13.
8, 139, and a charging terminal 59-1, a battery identification terminal 59-2, a temperature detection terminal 59-3, a ground terminal 5
9-4 are the power source terminal 140-1 for charging, the terminal 140-2 for battery identification, the temperature detection terminal 140-3, and the grounding terminal 1 respectively.
It will be in the state of being in contact with 40-4.

In the mobile phone 40, the locking grooves 65 and 66 are in a state of being smoothly engaged with the ribs 136 and 137, respectively, from the side of the inlet 74 having a divergent shape at the substantially central portion. As for the locking groove 65, as shown in FIGS. 25A and 25B, the side surface 71 contacts the side end surface 136a of the rib 136, and the back surface 73 contacts the upper end surface 136b of the rib 136. It becomes a state. The locking groove 66 on the opposite side similarly has the rib 137.
Is engaged with.

Here, the side surface 71 is the side end surface 1 of the rib 136.
By abutting against 36a, the mobile phone 40 (S-type battery 50) is restricted in displacement in the Y2 direction and its position is restricted, and the terminals 59-1 to 59-4 are respectively connected to the terminal 140-1.
~ 140-4 with a force of 30 gr or more, terminal 59-
1 to 59-4 are in a state of being securely electrically connected to the terminals 140-1 to 140-4, respectively.

In addition, again, in the mobile phone 40, Y1
Looking at the end side, as shown in an enlarged view in FIG. 24, the convex portions 60 and 61 engage with the concave portions 138 and 139, and the mobile phone 40 (S-type battery 50) is restricted from being displaced in the Z1 direction. Position is regulated. Thereby, the terminals 59-1 to 59-1
The terminals 59-1 to 59-4 are respectively connected to the terminal 1 without the risk that the terminals 59-1 to 59-4 will come off from the terminals 140-1 to 140-4.
40-1 to 140-4 are kept in contact with each other.

The flat inner surface 73 is in contact with the upper end surface 136b, which is also flat. This also allows the mobile phone 40 (S-type battery 50) to be stably held in the attached state without fear of floating. As described above, charging of the S-type battery 50 is started, and the mobile phone 40 is brought into a usable state. That is, by opening the flipper 45, the mobile phone 40 is used while being attached to the charger 120. Here, since the mobile phone 40 is firmly attached to the first battery mounting portion 125, the mobile phone 40 will not be displaced even when the flipper 45 is opened, and the terminals 59-1 to 59- will not be displaced. 4 is kept in contact with the terminals 140-1 to 140-4, respectively, and the charging of the S-type battery 50 continues stably.

As can be seen from the above, the S-type battery 50
The mobile phone 40 to which is attached is mounted by engaging with the S-type battery 50 exclusively without engaging with the main body of the mobile phone. The mobile phone 40 is detached from the charger 120 by slightly rotating it in the A2 direction so as to raise the antenna 43 side.

Here, the bottom wall portion 133 has an opening edge surface 133a at the edge of the opening 135, and as shown in FIG.
There is a slight gap 180 between 6 and the opening edge surface 133a. Therefore, when the mobile phone 40 is operated so as to raise the antenna 43 side,
In the middle, the surface 46 starts to rotate around a point 47 facing the opening edge surface 133a and the end 133b, and the surface 46 turns into the opening edge surface 133.
Until it hits a, it continues to rotate around the point 47. When the surface 46 hits the opening edge surface 133a, the mobile phone 40
Rotates about a point 48.

Here, the side surface 71 of the locking groove 65 has a point 48.
It has a shape closer to an arc of a circle centered on the point 47 than an arc of a circle centered on. Therefore, the locking groove 65 is smoothly removed from the rib 136, and the mobile phone 40 is smoothly removed from the charger 120. (2) When the mobile phone 40 to which the L-type battery 110 is attached is attached to the first battery attaching portion 125. As shown in FIG. 26, the mobile phone 40 to which the L-type battery 110 is attached is the above-mentioned S-type. By the same operation as in the case of the mobile phone 40 to which the battery 50 is attached,
The locking grooves 65, 66 of the L-type battery 110 are the ribs 136,
137, and the projections 60 and 61 are recessed 138 and 139.
The terminals 59-1 to 59-4 are mounted in a state of being securely electrically connected to the terminals 140-1 to 140-4, respectively. (3) When the S-type battery 50 is separately attached to the first battery attaching portion 125 As shown in FIG. 27, the S-type battery 50 is different from the case of the mobile phone 40 to which the S-type battery 50 is attached. By substantially the same operation, the locking groove 65 of the S-type battery 50,
66 engages with the ribs 136, 137, and the protrusions 60, 61 engage with the recesses 138, 139 to regulate the position, and the terminal 59.
The terminals -1 to 59-4 are mounted so as to be securely electrically connected to the terminals 140-1 to 140-4, respectively.

As shown in FIG. 4C, the S-type battery 5
The pair of protrusions 60 and 61 on the end surface of 0 are the S-type battery 50.
Is provided at a position displaced from the center 69 in the thickness direction. For this reason, as shown in FIG. 28, when the S-type battery 50 is inserted into the first battery mounting portion 125 in the inverted orientation, the convex portions 60 and 61 do not engage with the concave portions 138 and 139, In the S-type battery 50, the convex portions 60 and 61 have the bottom wall portion 13
Insertion is restricted in the state of being in contact with 3 and terminals 59-1 to 5-5
9-4 does not contact the terminals 140-1 to 140-4.
This prevents the terminals 59-1 to 59-4 from coming into contact with the uncorresponding terminals 140-1 to 140-4. (4) When the L-type battery 110 is separately attached to the first battery attachment portion 125 As shown in FIG.
By the same operation as in the case of the type battery 50, the locking grooves 65 and 66 of the L-type battery 110 are engaged with the ribs 136 and 137, and the convex portions 60 and 61 are engaged with the concave portions 138 and 139 to regulate the position. Terminals 59-1 to 59-4 are terminals 14 respectively
It is mounted in a state where it is securely electrically connected to 0-1 to 140-4. (5) When the S-type battery 50 is separately attached to the second battery attaching portion 126. As shown in FIG.
1 is on the back side, the outer surface 52 is on the front side, and the end surface 56 is on the lower end. At first, the opening 154 of the second battery mounting portion 126 is set at an angle slightly higher than the inclination angle of the inclined plate portion 150. Insert it, then tilt it down a little,
It is mounted by sliding it in the Y1 direction.

On the end side in the Y1 direction of the S-type battery 50, as shown in FIGS. 31 and 32, the protrusions 60 and 61 are provided.
Is engaged with the recesses 158 and 159, and the terminal incorporating portion 75 is sandwiched between the inclined plate portion 150 and the end surface 160a of the rib 160. On the Y2 direction end side, as shown in FIGS. 30 and 33, the ribs 67 and 68 are locked to the lower sides of the ribs 155 and 156. Y
32, the substantially arcuate curved surface portions 57 and 58 of the side surfaces 53 and 54 on the side closer to the outer surface 52 are attached to the pressing portions 1 of the ribs 159 and 160 at approximately the center in the 1 and Y2 directions.
It is in a state of being locked to 59a and 160a.

As a result, the S-type battery 50 is pressed against the inclined plate portion 150 so as not to float from the inclined plate portion 150 and its position is regulated, and the terminals 63-1 to 63-4 correspond to the corresponding terminals 165-1. To 165-4 with a force of 30 gr or more, the terminals 63-1 to 63-4 are respectively connected to the terminal 16
5-1 to 165-4, in a state where it is securely electrically connected to the second battery mounting portion 126,
Charging is started.

Here, in FIG. 31, the inverse V of the terminal 165-1
In the character-shaped terminal portion 165-1a, the slope angle β1 of the piece 165-1a-1 on the side facing the inserted S-type battery 50 is the slope angle β2 of the piece 165-1a-2 on the other side. It has a smaller configuration. As a result, the terminal 63-1 smoothly pushes the terminal portion 165-1a away, and the force received by the terminal 165-1 is small. Therefore, the life of the terminal 165-1 is long.

If the S-type battery 50 is to be inserted into the second battery mounting portion 126 in the opposite direction to the above, the ribs 159 and 160 will hit the ribs 159 and 160 and further insertion will be restricted. To be prevented. Even when the mobile phone 40 to which the battery is attached is attached to the first battery attaching portion 125, the S-type battery 50 is attached to the second battery attaching portion 126. (6) When the L-type battery 110 is separately attached to the second battery attaching portion 126 As shown in FIG.
As in the case of the mold battery 50, the battery is mounted with its position regulated so as not to float from the inclined plate portion 150.

[Structure of Another Embodiment of Battery Charger for Mobile Phone] As shown in FIG. 35, the battery charger 200 for mobile phone has a battery mounting portion 201.
The battery mounting unit 201 has a position restriction unit 202, as shown in FIG. The position of the L-type battery 110 is regulated by the position regulation unit 202, and the L-type battery 110 is mounted.

[0057]

As described above, according to the first aspect of the present invention,
The structure is provided with the pressing direction position restricting means that engages with a part of the battery mounted in the battery mounting portion and restricts the position above the charging power source terminal of the charger body in the direction in which the charging terminal of the battery is pressed. The contact pressure of the charging terminal to the charging power source terminal can be determined to be a desired value or more regardless of the weight of the battery and the number of terminals. Therefore,
For example, even in the case of a lightweight battery, the charging terminal can be brought into contact with the charging power supply terminal with high reliability when the battery is mounted in the battery mounting portion. Charging can be performed more reliably than before. You.

According to the second aspect of the present invention, by engaging a part of the battery mounted in the battery mounting portion, the charging terminal of the battery regulates the upper position in the direction of pressing the charging power source terminal of the charger main body. In addition to the pressing direction position restricting means, the charging terminal is configured to have a displacement direction position restricting means for restricting a position above the charging power source terminal in a direction displaced from the charging power source terminal. The contact pressure can be set to be a desired value or more regardless of the weight of the battery and the number of terminals, and the charging terminal can be prevented from coming off the charging power supply terminal. Therefore, the reliability of contact between the charging terminal and the charging power source terminal can be further enhanced, and the battery can be charged more reliably than the invention of claim 1.

According to the third aspect of the present invention, the plurality of types of batteries are configured such that the charging terminals provided with the charging terminals have the same thickness, and the charger is the battery mounting portion. Since it has a sandwiching position regulation means for sandwiching and regulating the position of the charging terminal of the battery attached to the charging battery, a plurality of types of charging terminals are contacted to the charging power source terminal at a desired contact pressure. It is possible to position-regulate and install any kind of battery among the above batteries.

According to the invention of claim 3, in the battery charger for a mobile phone of claim 3, there is further provided a rib having a rim having a shape corresponding to a common contour of a plurality of types of batteries having different capacities. The rib limits the insertion of the battery that is inserted in a direction other than the normal direction, and regulates the position of the battery inserted in the normal direction in the direction in which the charging terminal presses the charging power supply terminal. Therefore, while the charging terminal is in contact with the power source terminal for charging with a desired contact pressure, it is possible to position-regulate and install any kind of battery among a plurality of kinds of batteries, and
It is possible to prevent the battery from being installed in the wrong direction without providing a dedicated member for preventing incorrect installation.

[Brief description of drawings]

FIG. 1 is a schematic view of a battery charger for a mobile phone of the present invention.

FIG. 2 is a schematic view of a battery charger for a mobile phone of the present invention.

FIG. 3 is a diagram showing a mobile phone.

FIG. 4 is a diagram showing an S-type battery.

FIG. 5 is a perspective view showing locking grooves and ribs.

FIG. 6 is an enlarged view of the locking groove and the rib of FIG.

FIG. 7 is a diagram showing an operation when the S-type battery is removed from the mobile phone.

FIG. 8 is an enlarged sectional view taken along line VIIIA-VIIIA and line VIIIB-VIIIB of FIG.

FIG. 9 is a circuit diagram of a Ni-Cd S-type battery.

FIG. 10 is a circuit diagram of a Ni-MH S-type battery.

FIG. 11 is a diagram showing a structure of a terminal built-in portion of an S-type battery.

FIG. 12 is a view showing a terminal assembly.

FIG. 13 is a diagram showing a terminal assembly.

FIG. 14 is a view showing a blank before forming a terminal assembly.

FIG. 15 is a diagram showing an L-type battery.

FIG. 16 is a circuit diagram of a Ni-Cd L-type battery.

FIG. 17 is a circuit diagram of a Ni-MH L-type battery.

FIG. 18 is an exploded perspective view of a battery charger for a mobile phone of the present invention.

FIG. 19 is a plan view of the battery charger shown in FIG. 18.

20 is a cross-sectional view taken along line XX-X in FIG.

21 is a view taken in the direction of the arrow XXI in FIG.

22 is an enlarged view of the bottom wall portion of the first battery mounting portion in FIG. 20. FIG.

FIG. 23 is a diagram showing a case where a mobile phone to which an S-type battery has been attached is attached to a first battery attaching portion.

FIG. 24 is an enlarged view of a portion surrounded by a circle A in FIG. 23.

FIG. 25 is an enlarged view of a portion surrounded by a circle B in FIG. 23.

FIG. 26 is a diagram showing a case where a mobile phone to which an L-type battery is attached is attached to a first battery attaching portion.

FIG. 27 is a view showing a case where an S-type battery is attached to the first battery attaching portion.

FIG. 28: The S-type battery is erroneously turned upside down
It is a figure which shows the case where it equips with the battery mounting part of.

FIG. 29 is a diagram showing a case where the L-type battery is mounted on the first battery mounting portion.

FIG. 30 is a diagram showing a case where an S-type battery is attached to a second battery attaching portion.

31 is an enlarged view showing a state of the S-type battery on the Y1 end side in FIG. 30. FIG.

FIG. 32 is a view as seen from the direction of the arrows XXXII-XXXII in FIG. 30.

FIG. 33 is a view taken in the direction of the arrows XXXIII-XXXIII in FIG. 30.

FIG. 34 is a diagram showing a case where an L-type battery is attached to a second battery attaching section.

FIG. 35 is a diagram showing another embodiment of the battery charger for mobile phones of the present invention.

FIG. 36 is an enlarged view showing a portion surrounded by a circle D in FIG. 35.

FIG. 37 is a schematic view of an example of a conventional battery charger for a mobile phone.

[Explanation of symbols]

20, 20A, 120, 200 Battery charger for mobile phone 21 Charger body 22 Charging power source terminal 23 First position regulating means 24 Battery mounting portion 25 Second position regulating means 30 Battery 31 Lower end surface 32 Charging terminal 40 Mobile phone 41 Operation part 42 Display part 43 Antenna 44 Battery mounting part 45 Flipper 46 Surface 47, 48 points 50 S-type battery 51 Flat mounting surface 52 Outer surface 53, 54 Side surface 55, 56 End surface 57, 58 Substantially arc-shaped Curved surface portion 59-1 Charging terminal 59-2 Battery identification terminal 59-3 Temperature detection terminal 59-4 Temperature detection terminal 60, 61 A pair of convex portions 62 Table 63-1 Battery output terminal 63-2 Battery identification terminal 63- 3 Temperature detection terminal 63-4 Grounding terminal 65,66 Locking groove 67,68 Rib 69 Center line 70 Bottom surface 1, 72 Opposing side surfaces 73 Flat inner surface 74 End-shaped inlet 75 Terminal installation portion 76 Upper case 77 Lower case 78, 79 Stepped portion 80 Ni-Cd battery 81 Ni-MH battery 90 Terminal assembly 91 Terminal assembly 92 Molded synthetic resin part 93 Blank 94 SUS304 stainless steel plate 95 Nickel plate 96 Glass epoxy layer 98 Drawing pattern 99 Fixing wing 100 Surface 101 Electrical component 110 L-type battery 111 Part added to S-type battery 112 Part having the same size and shape as the S-type battery 113 Terminal-incorporated part 120, 200 Battery charger for mobile phone 121 Charger body 122 Screw 123 Bottom plate 124 Circuit board assembly 125 Concave first battery mounting part 126 Tunnel shape of 2 battery mounting portion 130 inclined plate portions 131, 132 both side wall portions 133 bottom wall portion 133a opening edge surface 133b end 134 Y2 end side opening 135 Z1 side opening 136, 137 ribs 138, 139 recesses 140-1, 165 -1 Charging power supply terminal 140-2, 165-2 Battery identification terminal 140-3, 165-3 Temperature detection terminal 140-4, 165-4 Ground terminal 141 Bottom wall opening 142, 166 Connecting bar part 143 Large R-shaped arc part 150 Inclined plate parts 151, 152 Side wall parts 153 Bottom wall part 154 Opening 155, 156 Rib 157, 158 Recessed parts 159, 160 Ribs 159a, 160a Holding part 161 Ribs 161a, 161b End surface 162 Inclined plate part 150 Opening 170 LED 171 LED terminal 172 Circuit board 173 hole 180 Gap 201 Battery mounting part 202 Position regulating part

Front Page Continuation (72) Inventor Masashi Tomura 2-1-1 Kita-Ichijo West, Chuo-ku, Sapporo-shi, Hokkaido Inside Fujitsu Hokkaido Digital Technology Co., Ltd. (72) Inventor Hiroshi Kubo 2-chome, Kita-Ichijo Nishi, Chuo-ku, Sapporo Address Fujitsu Hokkaido Digital Technology Co., Ltd. (72) Inventor Yoshifumi Tsukamoto 2-1, Kitaichijo Nishi, Chuo-ku, Sapporo-shi, Hokkaido Fujitsu Hokkaido Digital Technology Co., Ltd. (72) Inventor Hidekatsu Kobayashi Chuo-ku, Sapporo, Hokkaido Kitaichijo Nishi 2-chome Fujitsu Hokkaido Digital Technology Co., Ltd.

Claims (4)

[Claims] 1. A charger having a charging terminal for charging a battery configured to be attached to a mobile phone, the charger main body having a battery mounting portion to which the battery is mounted; A charging power supply terminal protruding from the battery mounting portion and a part of the battery mounting portion of the charger main body,
It is configured such that the charging terminal is constituted by a pressing direction position restricting means that engages with a part of the battery mounted in the battery mounting portion and restricts the charging terminal above the charging power source terminal. Characteristic battery charger for mobile phones. 2. A charger having a charging terminal for charging a battery configured to be attached to a mobile phone, the charger main body having a battery mounting portion to which the battery is mounted; A charging power supply terminal protruding from the battery mounting portion and a part of the battery mounting portion of the charger main body,
A pressing direction position restricting means that engages with a part of the battery mounted in the battery mounting portion and restricts the position above the charging power source terminal in the direction in which the charging terminal presses the charging power source terminal; It is provided in a part of the battery mounting part,
It is configured to include a displacement direction position restricting means that engages with a part of the battery mounted on the battery mounting portion and restricts the position of the charging terminal above the charging power source terminal in the direction of displacement. Battery charger for mobile phones. 3. A charger for charging a plurality of types of batteries having different capacities, both of which have a charging terminal on a mounting surface for a mobile phone, wherein the plurality of types of batteries are provided with the charging terminal. The charging terminals are arranged such that the thicknesses of the parts are the same, and the charger includes a charger main body having a battery mounting portion into which the battery is inserted and mounted, and the battery mounting of the charger main body. A power source terminal for charging, which is provided so as to project into the portion, and a part of the battery mounting portion of the charger main body,
A battery charger for a mobile phone, comprising a sandwiching position regulating means for sandwiching the charging terminal installation portion of the battery mounted in the battery mounting portion to regulate the position. 4. The battery charger for a mobile phone according to claim 3, further comprising a rib having a rim having a shape corresponding to a common contour of a plurality of types of batteries having different capacities, the rib having a normal orientation. The insertion of the battery that is to be inserted in a direction other than the above is restricted, and the battery inserted in the normal direction is regulated in the upper position in the direction in which the charging terminal presses the charging power supply terminal. Battery charger for mobile phones.