JP3776851B2 - Desktop holder for charging - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a desktop holder for charging, and more particularly, to a desktop holder for charging incorporating a charging circuit and a charging terminal for charging a secondary battery in an electronic device such as a mobile phone.
[0002]
[Prior art]
Mobile terminal devices such as mobile phones and PHS (Personal Handyphone System) phones operate using a secondary battery such as a nickel metal hydride battery or a lithium ion battery as a power source. Since the secondary battery has a limited capacity, if it continues to be used with the power of the mobile terminal device turned on, it will eventually be discharged and the mobile terminal device cannot be used. Therefore, in a cellular phone or the like, the battery consumption state can be displayed on the liquid crystal display by an illustration or the like, so that the timing of charging or battery replacement can be grasped before it becomes unusable. When the battery drains below a certain level, the user starts charging by connecting the connection terminal of the charger to the charging terminal of the mobile phone or placing the mobile phone in a dedicated desktop holder. ing.
[0003]
FIG. 3 shows the back side of the folding cellular phone.
As shown in FIG. 3, the mobile phone 100 has a structure in which an upper housing 101 and a lower housing 102 are hinged by a hinge portion 103. The upper casing 101 includes a liquid crystal display, a speaker, and the like on the front surface, and a second liquid crystal display 101a for performing incoming call and clock display on the back surface. In addition, the lower housing 102 includes a microphone and an operation unit (numerical key, function key, etc.) on the front surface, an antenna 102a on the back surface, and a detachable battery pack made of a nickel metal hydride battery, a lithium ion battery, or the like. 104 is mounted. The battery pack 104 includes a charging terminal 104a. Furthermore, an external connection terminal 105 is provided for connecting a charger and connecting a multimedia device.
[0004]
FIG. 4 shows a conventional charging desktop holder set in the foldable mobile phone of FIG. The desktop holder 200 for charging is supplied with power from an AC adapter (not shown). It has a recess that can accommodate the lower housing 102 of the mobile phone 100 to which the battery pack 104 is already attached. In this state, the charging terminal (not shown) of the desktop holder 200 for charging and the charging terminal 104a are in contact with each other, and the battery pack 104 can be charged. Note that the charging desktop holder 200 has a configuration in which a charging circuit is built in, and there is also a configuration in which connection of an AC adapter is unnecessary.
[0005]
In addition, in cordless telephone cordless handsets used at home, etc., a circuit that achieves all the functions necessary for wireless communication and a secondary battery as a power source are built in the handset, and an extendable antenna is attached to the upper end. Have a structure. In such a child device, since there is a parent device, charging of the child device can be achieved by setting the child device at a predetermined position of the parent device without using a desktop holder for charging. ing.
[0006]
For example, as shown in Japanese Utility Model Laid-Open No. 5-97151, a pair of first operating parts serving as terminals for receiving charging power is provided in the receiver unit of the slave unit, and the receiver unit is set in the recess of the master unit. When the second operating part provided in the recess is pressed down, the rotating part built in the recess rotates to contact the first operating part and can be charged.
[0007]
Further, in the configuration shown in Japanese Utility Model Laid-Open No. 1-57835, a substantially U-shape is formed at the bottom of a fitting portion of a casing in which a handset of a cordless telephone (having a charging / receiving terminal on the side surface of the transmission / reception unit) is set. A rotating piece is rotatably installed, and the end of the rotating piece can push the charging / power transmission terminal toward the handset's transmitter / receiver. When the transmitter / receiver is fitted to the fitting portion of the housing, the rotating piece rotates, the tip of the rotating piece comes into contact with the charging / receiving terminal of the transmitter / receiver, and the battery in the handset is charged.
[0008]
[Problems to be solved by the invention]
However, according to the conventional charging desktop holder, in the configuration of Japanese Utility Model Laid-Open No. 5-97151, the operating portion comes to be interposed between the side surface and the convex surface of the transmission / reception portion, so that the mechanism becomes large. Further, in the configuration of FIG. 4, since the button for turning on / off the charging switch is exposed near the center of the cover surface of the charging desktop holder, the user's finger etc. is easily touched and charged. There is room for improvement in safety, such as a finger touching the charging terminal with the switch turned on, or a conductive foreign object coming in contact between the charging terminals to cause a short circuit. Similarly, in the configuration of Japanese Utility Model Laid-Open No. 1-57835, the rotating piece protrudes into the housing when the handset is in the end set, and the user's finger etc. are easily touched and the charging / transmission terminal is always in the housing. It is exposed in the body and easily comes into contact with fingers and the like.
[0009]
Further, in the structure of FIG. 4, since the button for turning on / off the charging switch is provided near the center of the cover surface, a surface for receiving the electronic device main body such as a mobile phone is required around the button. For this reason, the button installation surface of the cover is restricted in shape when the cover is designed, and the degree of freedom in design is reduced.
[0010]
An object of the present invention is to provide a desktop holder for charging that is not charged when an electronic device is not set, and that there is no design restriction associated with the button arrangement for turning on / off the charging switch. .
[0011]
[Means for Solving the Problems]
In order to achieve the above object, the present invention is a desktop holder for charging, in which an electronic device is mounted at a predetermined position and charging a battery mounted on the electronic device, and is connected to a charging connection terminal of the electronic device. A printed wiring board on which a charging terminal is mounted, a charging switch for selecting whether or not to supply a charging output to the charging terminal, and a peripheral portion of the predetermined position, and when pressed by the electronic device A button for turning on the charging switch, a first elastic member for applying an urging force in the opposite direction to the pressing of the button, and an upper portion of the button when the electronic device is mounted at the predetermined position. A hook member that covers an end surface and has a protrusion that opens the upper end surface before the button is pressed according to the mounting of the electronic device, and the protrusion covers the upper end surface of the button A second elastic member for urging the hook member, a cover member having an opening through which the protrusion of the hook member and the upper end surface of the button can be exposed, and positioning and holding the printed wiring board; There is provided a desktop holder for charging, comprising: a base member attached to the cover in a state in which each member is incorporated.
[0012]
According to this configuration, when the electronic device is mounted on the desktop holder for charging, the protrusion of the hook member is in contact with the electronic device and slides against the second elastic member, and is covered with the protrusion. The top edge of the button is exposed. Furthermore, as a result of the upper end surface of the button being in contact with the electronic device instead of the protrusion, the button is lowered as the electronic device is pressed, and the charging switch is turned on. Therefore, the charging switch is not inadvertently turned on, and safety is improved. In addition, since the buttons are arranged at the periphery of the electronic device mounting position, the charging switch button is not positioned at the center of the cover member, so there are no design restrictions associated with the button position, and the degree of freedom in design. Is increased.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows the structure of a desktop holder for charging according to the present invention. In the following, it is assumed that the electronic device to be charged is a foldable mobile phone.
The desktop holder 1 for charging according to the present invention has a housing formed of a resin base 11 (base member) and a resin cover 12 (cover member) that is covered with the base 11 and is finally screwed. ing. The cover 12 is formed with a recess so that the mobile phone 100 to be charged (FIG. 3) can be stored to a certain depth. A printed wiring board 13 is disposed in the base 11. A charging switch 14 is mounted on one end of the printed wiring board 13, and a charging terminal 15 is mounted on the other end of the printed wiring board 13 via a terminal holder 16. The charging terminal 15 is provided at a position where it can contact the external connection terminal 105 when the mobile phone 100 shown in FIG.
[0014]
The desktop holder 1 for charging is connected to an AC adapter (not shown), and charging power is supplied from the AC adapter. Instead of this configuration, a configuration in which a transformer, a charging circuit, and the like are mounted on the printed wiring board 13 can eliminate the need for connection of an AC adapter.
[0015]
A U-shaped frame 17 is mounted on the printed wiring board 13 so as to surround the charging terminal 15. The frame 17 is integrally formed with a fitting hook attaching portion 17a and a button attaching portion 17b. The button mounting portion 17b has a through portion, and a button 19 having a button spring (coil spring) 18 (first elastic member) fitted thereon is loaded into the through portion. The button 19 is positioned so as to be disposed at the upper end of the mounting position of the lower housing 102 of the mobile phone 100 of the cover 12.
[0016]
When the button 19 is pressed, the button 19 moves down in the penetrating portion of the button mounting portion 17 b against the button spring 18, and rises by the elastic force of the button spring 18 to return to the initial position. A plate-shaped operating piece 19 a is formed at the front portion of the button 19 so as to hang down. When the button 19 is pressed, the operating piece 19a descends together with the button 19 and presses the movable part of the charging switch 14 to turn on the charging switch 14. When the pressing operation of the user on the button 19 is released, the button 19 is pushed up by the elastic force of the button spring 18 and the charging switch 14 is turned off.
[0017]
Further, the fitting hook mounting portion 17a of the frame 17 has a main portion having a plate shape, pins 20a on both sides of the lower end thereof, and a fitting hook 20 (having a protruding portion 20b extending in the horizontal direction on the upper end. A hook member is attached. An inverted U-shaped fitting hook spring 21 (second elastic member) is disposed so as to overlap the fitting hook 20 and to be engaged with the pin 20a. Is pushed to the button 19 side.
[0018]
Further, the cover 12 is provided with a fitting hook attachment hole 12a for exposing the protrusion 20b of the fitting hook 20. When the cellular phone 100 is mounted, the protruding portion 20b exposed from the fitting hook mounting hole 12a is pushed outward, and the upper end surface of the button 19 is exposed. When the cellular phone 100 is loaded in the depression (mounting area) of the cover 12 in this state, the upper end surface of the button 19 is pushed down during the pushing-down operation, and the charging switch 14 is turned on as described above. .
[0019]
FIG. 2 shows a detailed configuration around the charge switch of the desktop holder for charging according to the present invention.
With reference to FIG.1 and FIG.2, the assembly procedure of the desktop holder 1 for charge of this invention is demonstrated. First, on the printed wiring board 13, various electronic components constituting a charging circuit for charging the battery pack 104 are mounted in advance, and a charging terminal 15, a terminal holder 16, a charging switch 14, and a frame 17 are provided. Implemented in advance. The button spring 18 and the button 19 are attached to the button attaching portion 17b on the printed wiring board 13 that is unitized in this way. Further, the fitting hook 20 and the fitting hook spring 21 are attached to the fitting hook attaching portion 17a. At this time, the positional relationship between the button 19 and the fitting hook 20 is such that the top of the button 19 is disposed below the protrusion 20 b of the fitting hook 20.
[0020]
In this way, the cover 12 is attached to the printed wiring board 13 on which the retrofitted components are mounted, and the base 11 is attached so as to fit into the cover 12 in this state. Finally, the base 11 and the cover 12 are fixed with screws to complete the assembly of the desktop holder 1 for charging.
[0021]
When the mobile phone 100 is attached to the charging desktop holder 1 completed as described above, the connector of the AC adapter (not shown) is inserted into the socket of the charging desktop holder 1 in advance, and the AC adapter AC Connect the cord to an AC outlet. Next, as shown in FIG. 2, when the mobile phone 100 is attached to the mounting area of the cover 12, the hook fitting portion 106 of the mobile phone 100 is fitted to the fitting hook 20 on the charging desktop holder 1 side and fitted. The hook 20 is pushed in the direction of arrow A. When the fitting hook 20 is pushed out, the upper end surface of the button 19 disposed immediately below the fitting hook 20 is exposed, and this upper end surface comes into contact with the back surface of the mobile phone 100. Descends in the direction of arrow B. In the process where the tip of the operating piece 19a moves in the direction of arrow C as the button 19 is pressed, the charging switch 14 is turned on. At the same time, due to the elastic force of the fitting hook spring 21, the protrusion 20 b of the fitting hook 20 is fitted into the depression 106 a on the upper side of the hook fitting portion 106 of the mobile phone 100, and the mobile phone 100 is locked. 100 jumping up (separation from the mounting area) is prevented.
[0022]
In the above embodiment, the fitting hook 20 is configured to rotate around the pin 20a, but may be configured to slide. Further, the fitting hook mounting hole 12a, the fitting hook 20, the button 19 and the like are arranged at the upper end portion of the upper casing 101 of the mobile phone 100. You may arrange | position to a side edge part.
[0023]
Further, although the folding type mobile phone is shown as the electronic device, it may be a folding type PHS phone, a straight type mobile phone or a PHS phone. Furthermore, it may be a cordless telephone cordless handset or a portable PDA (Personal Digital Assistant) device. In the case of an electronic device other than a foldable mobile phone, the fitting hook mounting hole 12a is formed at the upper end or the lower end.
[0024]
Furthermore, in the said embodiment, although the desktop holder 1 for charging made the electronic device the upward mounting structure in which a display and an operation part face up, you may make it a downward mounting structure conversely.
[0025]
Further, although the charging terminal 15 is left exposed, a shutter that opens and closes in conjunction with the attachment / detachment of the electronic device may be provided. Thereby, the occurrence of a short circuit due to contact (adhesion) of conductive foreign matter with the charging terminal 15 can be prevented, and the occurrence of contamination, rust, poor contact, etc. of the charging terminal 15 can be reduced.
[0026]
Further, although the frame 17 is mounted on the printed wiring board 13, it may be configured to be attached to the base 11 or the cover 12. Thereby, the components on the frame 17 can be assembled in a process different from the assembly process of the printed wiring board 13.
[0027]
【The invention's effect】
As apparent from the above, according to the desktop holder for charging of the present invention, when the electronic device is mounted on the desktop holder for charging, the protrusion of the hook member abuts on the electronic device, so that the second elastic member The upper end surface of the button that was covered with the protrusion is exposed, the upper end surface of the button contacts the electronic device instead of the protrusion, and the button descends as the electronic device is pressed to charge Since the switch is configured to be turned on and the button is disposed at the periphery of the mounting position of the electronic device, the charging switch is not inadvertently turned on, and safety is improved. In addition, since the buttons are arranged at the periphery of the mounting position of the electronic device and the button for the charging switch is not located at the center of the cover member, there are no design restrictions associated with the button position, and the degree of freedom in design is reduced. Enhanced.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a configuration of a desktop holder for charging according to the present invention.
FIG. 2 is a cross-sectional view showing a configuration around a charge switch of a desktop holder for charging according to the present invention.
FIG. 3 is a plan view showing a back surface of the folding mobile phone.
4 is a perspective view showing a conventional charging desktop holder in a state set in the foldable mobile phone of FIG. 3; FIG.
[Explanation of symbols]
1 Charging Desktop Holder 11 Base 12 Cover 12a Fitting Hook Mounting Hole 13 Printed Wiring Board 14 Charging Switch 15 Charging Terminal 16 Terminal Holder 17 Frame 17a Fitting Hook Mounting Portion 17b Button Mounting Portion 18 Button Spring 19 Button 19a Actuating Piece 20 Fitting hook 20a Pin 20b Protruding portion 21 Fitting hook spring 100 Mobile phone 101 Upper housing 101a Second liquid crystal display 102 Lower housing 102a Antenna 103 Hinge portion 104 Battery pack 104a Charging terminal 105 External connection terminal 106 Hook fitting Joint 106a Dimple 200 Charging desktop holder

Claims (7)

An electronic device is mounted at a predetermined position, and is a desktop holder for charging for charging a battery mounted on the electronic device,
A printed wiring board on which a charging terminal connected to the charging connection terminal of the electronic device is mounted;
A charging switch for selecting whether to supply a charging output to the charging terminal;
A button that is disposed in the periphery of the predetermined position and that turns on the charging switch when pressed by the electronic device;
A first elastic member for applying an urging force in a direction opposite to the pressing of the button to the button;
A hook member having a protrusion that covers the upper end surface of the button when the electronic device is mounted at the predetermined position and opens the upper end surface before the button is pressed according to the mounting of the electronic device; ,
A second elastic member for urging the hook member in a direction in which the protrusion covers the upper end surface of the button;
A cover member for positioning and holding the printed wiring board having an opening through which the protrusion of the hook member and the upper end surface of the button can be exposed;
A desktop holder for charging, comprising: a base member attached to the cover in a state where each of the members is incorporated. 2. The hook member according to claim 1, wherein the protrusion is formed at one end, a pair of pins are provided at the other end, and the hook member is attached to be rotatable about the pair of pins. Desktop holder for charging. The desktop holder for charging according to claim 1, wherein the hook member slides as a whole. 2. The cover member according to claim 1, wherein the cover member has a space for mounting a lower casing of the foldable mobile phone, and the opening is formed in the vicinity of a hinge portion of the foldable mobile phone. Desktop holder for charging. 2. The cover member has a space for mounting a straight type mobile phone, a PHS phone, or a PDA device, and the opening is formed in the vicinity of a hinge part of the folding type mobile phone. The desktop holder for charging as described. 4. The desktop holder for charging according to claim 1, wherein the button, the hook member, the first elastic member, and the second elastic member are attached to a frame member. 5. The desktop holder for charging according to claim 6, wherein the frame member is attached to the printed wiring board, the base member, or the cover member.

Images