JP3072343U - In-vehicle power supply for charging multifunctional small power equipment - Google Patents

Abstract

(57) [Summary] [PROBLEMS] The present invention aims to reduce the size of a device by targeting low power devices, and can be used not only as a power supply device but also as a stand for various low power devices. It is an object of the present invention to provide an in-vehicle power supply for charging a multifunctional small power device that can be used. SOLUTION: The in-vehicle power supply device for charging a multifunctional low-power device according to the present invention is disposed in a housing (1A) and converts an AC voltage output from an inverter (2) into a predetermined AC voltage. And a power output terminal (4) connected to the output side of the transformer (3) .The inverter (2) and the transformer (3) are used to charge the low power equipment (12). 10W
In addition to being miniaturized so that the following AC power can be supplied, the housing (1A) is attached to the magnet (10) by attaching a small power device (12) equipped with a magnetic body (13) that magnetically attracts to the magnet (10). The small power device (12) is configured to be fixed on the housing (1A) by being sucked.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to an in-vehicle power supply for charging a multifunctional low-power device, and more particularly to a new improvement for supplying power to a charger for a low-power device such as a portable MD or a mobile phone in a vehicle.

[0002]

[Prior art]

 Conventional in-vehicle power supplies have been used, for example, to supply power to in-vehicle TVs and in-vehicle video tape recorders, and to connect to chargers for mobile phones and other devices. The target devices to be supplied with power were set widely so that they could also function. The output of these power supply devices is at least about 30 W, and in particular, a power supply device for driving an in-vehicle television or an in-vehicle video tape recorder was configured to output about 300 W of power.

[0003]

[Problems to be solved by the invention]

 Since the conventional power supply was configured as described above, the following problems existed. That is, the conventional power supply device is intended for high-power devices such as an in-vehicle television and an in-vehicle video tape recorder, and the charging device has been increased in size. Damage was seen as a problem.

In addition, since the power supply device is heavy, and a cord for taking power from a cigarette socket in the vehicle is integrally formed with the charger main body, the charging device and the cord cannot be detached. In many cases, it was left in a fixed position in the car, lacking in operability. In addition, because it has only a function as a power supply device, it was not possible to make effective use of the limited interior of the car. Furthermore, since the power supply cord was not configured to be housed in the power supply main body, the cord was in the way when not in use.

The present invention has been made in order to solve the above-mentioned problems. In particular, the present invention can be used not only as a power supply device, but also as a small-sized power supply device. It is an object of the present invention to provide an in-vehicle power supply for charging a multifunctional small-power device that can be used as a stand for various devices.

[0006]

[Means for Solving the Problems]

 The in-vehicle power supply for charging a multifunctional low-power device according to the present invention includes a housing provided with a magnet at an upper part thereof, and a power supply connection terminal which is led out of the housing and receives power from a power supply end in the vehicle. And a DC voltage supplied through the power connection terminal and the power supply means, which is provided in the housing and connected to the power supply means, and converted into an AC voltage. An inverter to be converted, a transformer that is provided in the housing and converts an AC voltage output from the inverter to an AC voltage of a predetermined voltage, and a power output terminal connected to an output side of the transformer. The inverter and the transformer are miniaturized so as to be able to supply AC power of 10 W or less to charge a low-power device, and the housing is provided with a magnetic material that magnetically attracts the magnet. The low-power device is fixed on the housing by attracting the low-power device to the magnet, and the housing is a winding device for winding the power supply unit. And a power connection terminal storage section for storing the power connection terminal, wherein the power connection terminal and the power take-in means can be stored in the power connection terminal storage section and the winding section, respectively. The housing is provided with an MD storage unit for storing an MD, and the magnet is disposed above the MD storage unit.

[0007]

[Embodiment of the invention]

 Hereinafter, preferred embodiments of the in-vehicle power supply for charging a multifunctional low-power device according to the present invention will be described in detail with reference to the drawings.

Embodiment 1 In FIG. 1 to FIG. 3, the reference numeral 1 denotes an on-board power supply for charging a multifunctional low-power device according to the first embodiment of the present invention. The device 1 includes an inverter 2 for converting a 12V DC voltage supplied from the vehicle side into an AC voltage, and a transformer 3 for converting the AC voltage output from the inverter 2 into a 100V AC voltage, in a housing 1A. And an outlet 4 for supplying an AC voltage of 100 V output from the transformer 3 to the device to be charged. The inverter 2 and the transformer 3 have a capacity that can output power of about 10 W or less, and are much smaller than a transformer or the like built in a conventional power supply device.

In addition, the in-vehicle power supply device 1 for charging a multifunctional low-power device includes a cable 6 having a plug 5 (power supply connection terminal) at an end thereof for receiving power from a cigarette socket (not shown) in the vehicle. (Power supply taking-in means), a plug storage part 7 (power supply terminal storage part) for storing these, and a winding type cable storage device 8 (winding part). The cable storage device 8 is attached to an upper part of the housing 1A. Further, the disk-shaped cable storage device 8 is provided with a retractable cable take-up rod 9. Is stored in the cable storage device 8.

As shown in FIG. 2, the in-vehicle power supply device 1 for charging a multifunctional small power device includes a magnet 10 on an upper surface of a cable storage device 8, such as a portable MD player to be charged. If the magnetic body 13 is attached to the low power device 12, the multifunctional low power device charging in-vehicle power supply device 1 can be used as a stand of the low power device 12. The size of the in-vehicle power supply device 1 for charging a multifunctional low-power device of the present invention shown in FIG. 1 is almost the same as that of a commercially available MD (Mini Disc: registered trademark) player, and is very small.

[0011] As described above, according to the in-vehicle power supply for charging a multifunctional low-power device of the present invention, an output of about 10 W is secured, so that a mobile phone, a portable MD player, a portable CD player, an MP3 playback device, a small-sized If a small power device 12 having a small electric power required for charging an electric razor or the like is connected to the outlet 4, it is possible to reliably charge these devices even while traveling by car. In addition, since the rechargeable device is limited to the small power device 12 and the inverter 2 and the transformer 3 are downsized, the in-vehicle power supply device 1 for charging a multifunctional small power device can be downsized, and the installation location in the vehicle can be freely selected. The degree of expanse has greatly increased, and the scene inside the car has not been greatly impaired.

Further, as described above, the in-vehicle power supply device for charging a multifunctional low-power device according to the present invention is configured to be small and light, and thus has excellent portability. It can also be used in a rental car if you take it to a destination. In addition, since the magnet 10 is provided on the upper portion of the housing 1A, for example, if the magnetic body 13 is attached to the back surface of a portable MD player or a mobile phone with a seal or the like, the magnet 10 and the magnetic body are attracted, so that the present invention is achieved. The in-vehicle power supply device 1 for charging a multifunctional small power device can be used as a stand for a portable MD player or a mobile phone. Furthermore, when the in-vehicle power supply device for charging a multifunctional small-power device 1 is not used, the plug 5 and the cable 6 can be accommodated in the in-vehicle power supply device 1 for charging a multifunctional low-power device. It does not get in the way and looks good.

In the above description, the line for supplying power to the inverter 2 and the transformer 3 is described as the plug 5 and the cable 6. However, a vehicle that can take out power from a socket other than the cigarette socket, or a power supply voltage The in-vehicle power supply device 1 for charging a multifunctional small power device of the present invention can be used in vehicles other than 12V in the same manner.

Embodiment 2 4 to 6, a reference numeral 20 denotes an in-vehicle power supply for charging a multifunctional low-power device according to the second embodiment of the present invention. 4 to 6, the same components as those shown in FIGS. 1 to 3 are denoted by the same reference numerals, and description thereof will be omitted.

The in-vehicle power supply device for charging a multifunctional low-power device 20 includes an inverter 2, a transformer 3, an outlet 4, and a plug, similarly to the in-vehicle power supply device for charging a multifunctional low-power device 1 according to the first embodiment. 5, a cable 6, and a magnet 10. However, the cable 6 is configured to be inserted into the power cable insertion port 22 of the housing 1A, and the cable 6 is not configured to be housed inside the housing 1A. Reference numeral 10 is provided on the upper surface of the MD storage section 23 attached to the upper part of the housing 1A. In FIG. 5, since the cable insertion port 22 is on the opposite side, it is indicated by a broken line.

As described above, according to the in-vehicle power supply device 20 for charging a multifunctional low-power device according to the second embodiment of the present invention, as in the first embodiment, if only the configuration is small and excellent in portability, In addition, since the MD storage unit 23 capable of storing the MD cassette 24 is provided, it is possible to provide a more convenient in-vehicle power supply for charging a multifunctional small-power device with higher convenience.

[0017]

[Effect of the invention]

 The in-vehicle power supply for charging a multifunctional low-power device according to the present invention includes a housing provided with a magnet at an upper part thereof, and a power supply connection terminal which is led out of the housing and receives power from a power supply end in the vehicle. And a DC voltage supplied through the power connection terminal and the power supply means, which is provided in the housing and connected to the power supply means, and converted into an AC voltage. An inverter to be converted, a transformer that is provided in the housing and converts an AC voltage output from the inverter to an AC voltage of a predetermined voltage, and a power output terminal connected to an output side of the transformer. The inverter and the transformer are miniaturized so as to be able to supply AC power of 10 W or less to charge a low-power device, and the housing is provided with a magnetic material that magnetically attracts the magnet. By adsorbing the small power device to the magnet, the small power device can be fixed on the housing, so that the degree of freedom in selecting the installation location in the vehicle is greatly expanded, and the scene in the vehicle is not significantly impaired. In addition, low-power devices can be reliably charged while moving by car. Further, the housing includes a winding unit for winding the power supply unit, and a power connection terminal storage unit for storing the power connection terminal, the power connection terminal and the power supply unit. Is configured so as to be able to be stored in the power connection terminal storage section and the winding section, respectively, so that the scene in the vehicle is not significantly impaired. The housing includes an MD storage section for storing the MD, and the magnet is disposed above the MD storage section, so that a place for storing the MD can be secured.

[Brief description of the drawings]

FIG. 1 is a top view schematically showing a configuration of an in-vehicle power supply device for charging a multifunctional low-power device according to a first embodiment of the present invention.

FIG. 2 is a side view schematically showing a configuration of the in-vehicle power supply device for charging a multifunctional low-power device according to the first embodiment of the present invention.

FIG. 3 is a side view schematically showing a configuration of the in-vehicle power supply device for charging a multifunctional small power device according to the first embodiment of the present invention;

FIG. 4 is a top view schematically illustrating a configuration of an in-vehicle power supply device for charging a multifunctional low-power device according to a second embodiment of the present invention.

FIG. 5 is a side view schematically showing a configuration of an in-vehicle power supply for charging a multifunctional small power device according to a second embodiment of the present invention.

FIG. 6 is a side view schematically showing a configuration of an in-vehicle power supply device for charging a multifunctional small power device according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 In-vehicle power supply device for charging multifunctional low power equipment 1A housing 2 Inverter 3 Transformer 4 Outlet (power output terminal) 5 Plug (power supply connection terminal) 6 Cable (power supply means) 7 Plug storage part (power supply terminal storage) 8) Cable storage device (winding unit) 9 Cable winding rod 10 Magnet 12 Low power device 13 Magnetic body 20 Multi-function low power device charging on-board power supply device 23 MD storage unit 24 MD cassette

Claims (3)

[Utility model registration claims] 1. A housing (1A) in which a magnet (10) is disposed on an upper part.
And a power take-in means (6) derived from the housing (1A) and having a power connection terminal (5) at a front end for taking power from a power supply end in the vehicle, and inside the housing (1A). The power supply terminal is disposed and connected to the power supply means (6).
(5) and an inverter (2) for converting a DC voltage supplied through the power supply means (6) into an AC voltage;
(A) and a transformer for converting an AC voltage output from the inverter (2) into a predetermined AC voltage.
(3) and a power output terminal (4) connected to the output side of the transformer (3), wherein the inverter (2) and the transformer (3) are low-power devices.
(12) is miniaturized so as to be able to supply an AC power of 10 W or less for charging, and the housing (1A) is provided with a magnetic body (13) that magnetically attracts the magnet (10). A multi-function, wherein the low-power device (12) is configured to be fixed on the housing (1A) by attracting the low-power device (12) to the magnet (10). In-vehicle power supply for charging small power devices. The housing (1A) is provided with the power supply means (6).
Winding section (8) for winding the
A power connection terminal storage section (7) for storing (5),
The power supply connection terminal (5) and the power take-in means (6) are configured to be housed in the power supply terminal storage section (7) and the winding section (8), respectively. An in-vehicle power supply for charging a multifunctional low-power device according to claim 1. 3. The housing (1A) includes an MD storage section (23) for storing an MD (24), and the MD storage section (2).
The in-vehicle power supply for charging a multi-function small power device according to claim 1 or 2, wherein the magnet (10) is disposed on the upper part of (3).