JP2005235480A - Battery part mounting structure of portable terminal device, and mounted battery identifying method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a battery part mounting structure of a portable terminal device and a mounted battery identifying method detecting kinds of rechargeable batteries mounted on a portable terminal device and limiting functions usable for the portable terminal device in accordance with the kinds of the batteries detected. <P>SOLUTION: The battery mounting part of the portable terminal device is provided with a switch, which is to be pressed down or not pressed down in accordance with presence or not of a convex part arranged at a mounting contact part of the rechargeable battery to be mounted. With this, kinds of rechargeable batteries mounted are detected, and usable functions in a portable terminal device are restricted according to the capacities of the batteries detected and a current allowance value information. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a mobile terminal device, and more particularly to a battery unit mounting structure and a mounted battery identification method.

  A battery unit mounting structure of a conventional portable terminal device will be described. The conventional battery unit mounting structure of a portable terminal device has the following problems.

  The first problem is that the battery unit mounting structure of a conventional portable terminal device is often a diversion design of an old device for the purpose of reducing the design man-hour of the portable terminal device body. For this reason, even when the shape of the housing is changed due to changes in specifications such as an increase in battery capacity or allowable current value, it is necessary to prevent erroneous insertion of different types of batteries in high-density mobile terminal devices. The present situation is that there is very little space for adding irregularities to be provided. And in the minute difference in the shape of the mounted battery updated as described above, the mobile terminal device main body and the mounted battery are deformed by forcibly pushing the updated battery into the mobile terminal main body without noticing the user. There was a problem of being inserted.

  The second problem is that the rechargeable battery of the old device cannot be installed in the new device. Therefore, when the old device is replaced with the new device, the rechargeable battery used in the old device cannot be used in the new device. End up.

  The third problem is that when the rechargeable battery of the old device cannot be mistakenly inserted into the new device, if the rechargeable battery of the old device having generally poor battery performance is used, There is a possibility that it will become extremely short and the capacity of the secondary battery will be used up.

  The following proposals have been made for the above problems.

  First, “Battery type detection device; Japanese Patent Application Laid-Open No. 2002-98743” proposes a battery type detection device including a device such as a mobile phone and a battery pack that supplies power to the device. The battery pack includes a charged battery cell and a battery type detection resistor that detects the type of the charged battery cell. The battery type detection device includes battery type detection means for detecting the battery type of the rechargeable battery cell by changing the detection resistance value.

  Further, in “Low-voltage detection device for radio telephone apparatus; Japanese Patent Laid-Open No. 5-48485”, a battery type identification terminal for identifying the type of battery provided in a battery case, and an analog for digital conversion for detecting the voltage of the battery. A low-voltage detection device for a radiotelephone device comprising a digital / digital converter and a central processing unit that changes a low-voltage detection value obtained by the analog / digital converter.

  Further, in “mobile phone device; Japanese Patent Laid-Open No. 6-45981”, a mobile phone characterized in that it can be used by exchanging different types of batteries, and has a means for setting an end voltage according to the type of battery to be mounted. A telephone device is proposed.

  In addition, “Battery pack and portable electronic device system; Japanese Patent Laid-Open No. 6-259169” is a drive source for portable electronic devices equipped with a microcomputer for controlling a power supply circuit, and stores control information such as its own type and capacity. There has been proposed a battery pack having a means to do this.

JP 2002-98743 A Japanese Patent Laid-Open No. 5-48485 Japanese Patent Application Laid-Open No. 6-45981 JP-A-6-259169

  An object of the present invention is to detect a type of a rechargeable battery to be mounted, and to limit a function that can be used in a mobile terminal device according to the type of the detected battery. It is to provide a mounted battery identification method.

  Hereinafter, means for solving the problem will be described using the numbers and symbols used in [Best Mode for Carrying Out the Invention]. These numbers and symbols are added to clarify the correspondence between the description of [Claims] and the description of [Best Mode for Carrying Out the Invention]. It should not be used to interpret the technical scope of the invention described in “

  The portable terminal device of the present invention includes portable terminal device bodies (1) and (11) and batteries (4) and (6). The portable terminal device bodies (1) and (11) 1a), (11a), battery type detection units (2), (12), and circuit units (5), (15), and batteries (4), (6) are type identification units (4b), (6b) and when the batteries (4) and (6) are mounted on the battery mounting sections (1a) and (11a), the battery type detection sections (2) and (12) and the type identification section (4b) , (6b) are fitted, and the battery type detection unit (2), (12) detects the battery type.

  The mobile terminal device of the present invention is the mobile terminal device according to claim 1, wherein the mobile terminal device main bodies (1) and (11) further include circuit portions (5) and (15), The function restrictions corresponding to the battery type detected by the battery type detection units (2) and (12) are set in the mobile terminal device bodies (1) and (11) by the units (5) and (15). .

  In the portable terminal device of the present invention, the battery type detection unit (2) is a push-down switch, and the type identification units (4b) and (6b) are connected to the battery mounting unit (1a). When (4) and (6) are mounted and the battery type detection unit (2) and the type identification units (4b) and (6b) are fitted, they are arranged in the casings of the batteries (4) and (6). It is the presence or absence of the convex part which presses down the pressed type switch.

  In the portable terminal device of the present invention, the battery type detection unit (12) is a push-down switch, the switch is covered with a waterproof member (16), and the type identification units (4b), (6b) ), When the batteries (4) and (6) are mounted on the battery mounting part (11a) and the battery type detection part (12) and the type identification parts (4b) and (6b) are fitted, the battery ( 4) and the presence or absence of the convex part which presses down the push-type switch arrange | positioned at the housing | casing of (6).

  The portable terminal device according to the present invention is the portable terminal device according to claims 2 and 3, wherein the push-down switches (2) and (12) are multistage, and the type identification units (4b) and (6b) are multistage. It is the presence or absence of the convex part of several height corresponding to the pressing depth.

  In the portable terminal device of the present invention, the waterproof member (16) is rubber in claim 3.

  Moreover, the mounting battery identification method of the portable terminal device of the present invention includes the portable terminal device main bodies (1) and (11) and the batteries (4) and (6), and the portable terminal device main bodies (1) and (11 ) Has battery mounting parts (1a) and (11a), battery type detection parts (2) and (12), and circuit parts (5) and (15). The batteries (4) and (6) A step of having the type identification units (4b) and (6b) and mounting the batteries (4) and (6) in the battery mounting units (1a) and (11a), and a battery type detection unit (2) and (12 ) And type identification units (4b) and (6b) are fitted, and the battery type detection units (2) and (12) detect the types of the batteries (4) and (6), and the battery type detection unit The function restriction corresponding to the type of the batteries (4) and (6) detected by (2) and (12) is detected by the circuit units (5) and (15). (1) and (11).

  As described above, the present invention has the following effects.

The first effect is that the rechargeable battery of the old device can be diverted by making the housing shape of different types of rechargeable batteries, such as the old model and the new model, approximate. The second effect is that by providing a switch in the battery mounting portion of the mobile terminal device, the type of the mounted rechargeable battery is detected, and the function of the mobile terminal device is controlled by the control circuit mounted on the printed circuit board. It is possible to limit the range that can be dealt with by the mounted rechargeable battery and prevent the battery from being wasted.

  With reference to the accompanying drawings, a best mode for carrying out a battery part mounting structure and a mounted battery identification method of a portable terminal device according to the present invention will be described below.

  The present invention is characterized in that it has a structure for detecting that different types of rechargeable batteries are mounted in the battery mounting portion of the mobile terminal device main body.

(First embodiment)
FIG. 1 shows a perspective view of a configuration before mounting a battery on a battery mounting portion 1a of a mobile terminal device body 1 according to the first embodiment of the present invention. The mobile terminal device body 1 includes a battery mounting portion 1a and a switch 2. The battery mounting portion 1a has a convex portion 1b that is a relief of a tall component inside the main body, and a battery terminal 3 is installed on the convex portion 1b. A concave portion 1c is disposed at the longitudinal end of the convex portion 1b of the battery mounting portion 1a, and a switch 2 is disposed in the concave portion 1c.

[When the first rechargeable battery is mounted]
Since the rechargeable battery 4 is fitted to the battery mounting portion 1a of the mobile terminal device body 1 without any length, the outer shape of the rechargeable battery 4 is the same as that of the battery mounting portion 1a. The casing of the rechargeable battery 4 is formed with a recess 4a corresponding to the protrusion 1b of the battery mounting portion 1a, and an end of the recess 4a is provided with a protrusion 4b corresponding to the recess 1c of the battery mounting portion 1a. . Further, in the concave portion 4a of the rechargeable battery 4, battery contact portions 4c, 4d, and 4e corresponding to the battery terminal contact portions 3a, 3b, and 3c disposed on the battery terminal 3 of the battery mounting portion 1a are disposed. . When the rechargeable battery 4 is mounted on the mobile terminal device body 1, the battery terminal contact portions 3 a, 3 b, 3 c disposed on the battery terminal 3 of the mobile terminal device body 1 and the rechargeable battery 4 are disposed. The battery contact portions 4c, 4d, and 4e are electrically connected to each other, and the convex portion 4b of the rechargeable battery 4 is pressed down on the head 2a that is movable up and down the switch 2 that is disposed in the portable terminal device 1, and the switch 2 Is configured to be “ON”.

  FIG. 2A shows a cross-sectional configuration diagram before mounting the rechargeable battery 4 on the mobile terminal device body 1 along the line A-A ′ of FIG. Further, FIG. 2B shows a sectional view of the configuration when the rechargeable battery 4 is mounted on the mobile terminal device body 1 along the line A-A ′ of FIG. 1. As shown in FIGS. 2A and 2B, when the rechargeable battery 4 is mounted, the convex portion 4 b of the rechargeable battery 4 presses the head 2 a of the switch 2 of the mobile terminal device body 1. When the switch 2 is in the “ON” state, the detection program stored in the memory of the circuit is executed by the CPU of the circuit (not shown) mounted on the printed circuit board 5 of the mobile terminal device body 1. Similarly, the state of the switch stored in the memory on the circuit and the type correspondence table of the mounted battery are referred to, and the type of battery that matches the state of the switch is determined as the type of the mounted rechargeable battery 4.

[When the second rechargeable battery is installed]
FIG. 3 shows a configuration perspective view of the portable terminal device main body 1 according to the first embodiment of the present invention before the second rechargeable battery 6 is mounted on the battery mounting portion 1a. When the rechargeable battery 6 is mounted on the portable terminal device body 1, the battery terminal contact portions 3 a, 3 b, 3 c disposed on the battery terminal 3 of the portable terminal device body 1 and the rechargeable battery 6 are disposed. The battery contact portions 6c, 6d, and 6e are electrically connected. However, the convex portion 6b of the rechargeable battery 6 is shorter than the convex portion 4b of the rechargeable battery 4 of FIG. 1 so that the head 2a movable up and down of the switch 2 is not depressed, and the switch 2 is “OFF”. It becomes the composition which remains.

  FIG. 4A shows a cross-sectional configuration diagram before the rechargeable battery 6 is mounted on the mobile terminal device body 1 along the line B-B ′ of FIG. FIG. 4B shows a cross-sectional view of the mobile terminal device main body 1 along the line B-B ′ of FIG. 3 when the rechargeable battery 6 is mounted. 4A and 4B, when the rechargeable battery 6 is mounted on the mobile terminal device body 1, the convex portion 6b of the rechargeable battery 6 does not press the head 2a of the switch 2 of the mobile terminal device 1, When the switch 2 is in the “OFF” state, the detection program stored in the memory of the circuit is executed by the CPU of the circuit (not shown) mounted on the printed circuit board 5 of the mobile terminal device body 1. Similarly, the switch state stored in the circuit memory and the mounted battery type correspondence table are referred to, and the type of battery that matches the switch state is determined as the type of the mounted rechargeable battery 6.

As described above, when the first and second rechargeable batteries 4 and 6 are mounted in the first embodiment, the switch 2 provided in the battery mounting portion 1a of the mobile terminal device body 1 is connected to the rechargeable batteries 4 and 6. Since it is configured to be pressed or not pressed by the convex portions 4b and 6b, as described above, the state of the switch 2 "ON" or "OFF" is set to a circuit (not shown) on the substrate 5. ) Can be used to determine the type of rechargeable battery corresponding to the state of the switch.

When the type of the mounted battery is known, the control program stored in the memory of the circuit is executed by the CPU of the circuit (not shown) on the substrate 5 and stored in the memory of the circuit. Refers to the correspondence table between the types of on-board batteries and the functions that can be used in the mobile terminal device main body, and the functions that can be used in the mobile terminal device main body 1 are limited based on the battery capacity and allowable current of the mounted battery. Can do.

As described above, as described in the description of the mounting of the first rechargeable battery 2 and the second rechargeable battery 6, when either the rechargeable battery 4 or the rechargeable battery 6 is mounted on the mobile terminal device body 1, The function of the mobile terminal device 1 is limited so that the type of battery is determined by a mounting circuit (not shown) on the substrate 5 and only functions corresponding to the battery capacity and allowable current value of the mounted battery can be used. Is set.

(Second Embodiment)
FIG. 5 shows a perspective view of a configuration before the rechargeable battery 4 is attached to the mobile terminal device body 11 according to the second embodiment of the present invention. The basic configuration of the second embodiment of the present invention is the same as that of the first embodiment, except that a peripheral portion of the switch 12 of the mobile terminal device body 11 is provided with a waterproof structure. In FIG. 5, the battery mounting portion 11a of the mobile terminal device main body 11 has a convex portion 11b that is a relief of tall components inside the main body, and the battery terminal 13 is installed on the convex portion 11b. A concave portion 11c is disposed at the longitudinal end of the convex portion 11b of the battery mounting portion 11a, a switch 12 is installed in the concave portion 11c, and a waterproof packing 16 that closes a hole opened for the switch 12 is installed. . When the rechargeable battery 4 is mounted on the mobile terminal device body 11, the battery terminal contact portions 13 a, 13 b, and 13 c disposed on the battery terminal 13 of the mobile terminal device body 11 and the rechargeable battery 4 are disposed. The battery contact portions 4c, 4d, and 4e are electrically connected to each other, and the convex portion 4b of the rechargeable battery 4 is movable up and down the switch 12 disposed in the portable terminal device 11 through the head portion 16a of the waterproof packing 16. The head 12a is pressed down and the switch 12 is turned “ON”. FIG. 6A is a cross-sectional view of the configuration before mounting the rechargeable battery 4 on the mobile terminal device body 11 along the line CC ′ of FIG. 6B shows a cross-sectional view of the configuration when the rechargeable battery 4 is mounted on the mobile terminal device main body 11 along the line CC ′ of FIG.

  6A and 6B, when the rechargeable battery 4 is mounted, the protrusion 4b of the rechargeable battery 6 presses the head 12a of the switch 12 via the head 16a of the waterproof packing 16, and the switch 2 By entering the “ON” state, the detection program stored in the memory of the circuit is executed by the CPU of the circuit (not shown) mounted on the printed circuit board 5 of the mobile terminal device body 11, The switch state stored in the upper memory and the on-board battery type correspondence table are referred to, and the type of battery that matches the switch state is determined as the type of the mounted rechargeable battery 4.

In addition, when the second rechargeable battery 6 is mounted in the second embodiment, the battery mounting portion 11a of the mobile terminal device body 11 has the same principle as when the second rechargeable battery 6 is mounted in the first embodiment. Since the provided switch 12 is configured not to be pressed by the convex portion 6b of the rechargeable battery 6, by detecting the “OFF” state of the switch 12 with a circuit (not shown) on the substrate 5. The type of rechargeable battery corresponding to the switch state can be determined.

When the type of the mounted battery is known, the control program stored in the memory of the circuit is executed by the CPU of the circuit (not shown) on the substrate 5 and stored in the memory of the circuit. Refers to the correspondence table between the types of installed batteries and the functions that can be used by the mobile terminal device main body, and the functions that can be used by the mobile terminal device main body 11 are limited based on the battery capacity and allowable current of the mounted battery. Can do.

  In the second embodiment according to the present invention described above, the waterproof packing 16 that closes the hole opened for the switch 12 in the concave portion 11c that is the end portion of the convex portion 11b of the battery mounting portion 11a of the mobile terminal device body 11 is provided. Since it is installed, a waterproof effect from the switch 12 of the battery mounting portion 11a can be obtained.

(Other embodiments)
As another embodiment of the present invention, the switches 2 and 12 of the portable terminal device main bodies 1 and 11 of the first embodiment and the second embodiment are replaced from a single-stage push-type switch to a multi-stage push-type switch. You can also. By adopting a multi-stage switch, the types of mounted batteries that can be detected by the mobile terminal device bodies 1 and 11 can be expanded from two types of single-stage switches to the number of multi-stage switches. In that case, the height of the convex part which presses down the said multistage switch arrange | positioned at the housing | casing of the rechargeable battery to mount is also identified according to the kind of rechargeable battery.

The structure perspective view before the 1st battery mounting to the portable terminal equipment battery mounting part concerning the 1st Embodiment of this invention is shown. FIG. 3 shows a cross-sectional configuration diagram before mounting the first battery on the mobile terminal device along the line A-A ′ of FIG. 1. FIG. 3 is a cross-sectional view of the configuration when the first battery is mounted on the mobile terminal device along the line A-A ′ of FIG. 1. The structure perspective view before the 2nd battery mounting to the portable terminal device battery mounting part concerning the 1st Embodiment of this invention is shown. FIG. 4 shows a cross-sectional configuration diagram before mounting the second battery on the mobile terminal device along the line B-B ′ of FIG. 3. FIG. 4 is a cross-sectional view of the configuration when the second battery is mounted on the mobile terminal device along the line B-B ′ of FIG. 3. The structure perspective view before the battery mounting to the portable terminal device battery mounting part concerning the 2nd Embodiment of this invention is shown. FIG. 6 shows a cross-sectional configuration diagram before mounting a battery on a mobile terminal device taken along line C-C ′ of FIG. 5. FIG. 6 is a cross-sectional view of a configuration when a battery is mounted on a mobile terminal device along line C-C ′ in FIG. 5.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, 11 ... Mobile terminal apparatus main body 1a, 11a ... Battery mounting part 1b, 11b ... Battery mounting part convex part 1c, 11c ... End recessed part 2, 12 ... Switch 2a, 12a ... Switch head 3 of a battery mounting part convex part , 13 ... Battery terminals 3a, 13a ... Battery terminal contact portions 3b, 13b ... Battery terminal contact portions 3c, 13c ... Battery terminal contact portions 4, 6 ... Rechargeable batteries 4a, 6a ... Rechargeable battery recesses 4b, 6b ... Rechargeable Battery convex part 4c, 6c ... Battery contact part 4d, 6d ... Battery contact part 4e, 6e ... Battery contact part 5 ... Printed circuit board 16 ... Waterproof packing 16a ... Waterproof packing head

Claims (7)

A mobile terminal device body;
A battery,
The mobile terminal device body has a battery mounting unit and a battery type detection unit,
The battery has a type identification unit,
When the battery is mounted on the battery mounting unit, the battery type detection unit and the type identification unit are fitted, and the battery type detection unit detects the type of the battery.   The mobile terminal device according to claim 1, wherein the mobile terminal device body further includes a circuit unit, and the circuit unit has a function restriction corresponding to the type of the battery detected by the battery type detection unit. A mobile terminal device set in the mobile terminal device body.   2. The battery type detection unit according to claim 1, wherein the battery type detection unit is a push-type switch, and the type identification unit includes the battery mounted on the battery mounting unit, and the battery type detection unit and the type identification unit are fitted. A portable terminal device that has a protrusion for pressing the push-down switch disposed on the battery casing.   2. The battery type detection unit according to claim 1, wherein the battery type detection unit is a push-down switch, the switch is covered with a waterproof member, and the type identification unit includes the battery mounted on the battery mounting unit. When the type identification unit is fitted, there is a portable terminal device that is the presence or absence of a convex part that depresses the push-down switch disposed in the battery casing.   4. The portable terminal device according to claim 2, wherein the push-down type switch is a multistage type, and the type identification unit is presence / absence of a plurality of height protrusions corresponding to each multi-stage push-down depth.   4. The mobile terminal device according to claim 3, wherein the waterproof member is rubber. A mobile terminal device body;
A battery,
The mobile terminal device main body has a battery mounting unit, a battery type detection unit, and a circuit unit,
The battery has a type identification unit,
Mounting the battery on the battery mounting portion;
The battery type detection unit and the type identification unit are fitted, and the battery type detection unit detects the type of the battery;
A mounted battery identification method for a mobile terminal device, comprising: a step of setting a function restriction corresponding to the type of the battery detected by the battery type detection unit to the mobile terminal device body by the circuit unit.

Images