JP3031204U - Electric appliances with built-in rechargeable batteries - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To provide a rechargeable battery built-in electric appliance with a flat manufacturing cost. SOLUTION: In an electric device which has a built-in primary battery and is operated by this primary battery, a rechargeable battery built-in electric machine in which a charging means is installed in the primary battery and the primary battery can be charged from an AC power supply by the charging means. It is an instrument.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to an electric appliance with a rechargeable battery, such as a flashlight.

[0002]

[Prior art]

 Conventionally, this type of electrical equipment uses a secondary battery as a battery, and appropriately charges this secondary battery from an AC power supply by a charging means to operate the electrical equipment.

[0003]

[Problems to be solved by the device]

 However, in such a conventional electric appliance with a built-in battery, as described above, since an expensive secondary battery is used as a rechargeable battery, there is an inconvenience that the manufacturing cost must be increased.

An object of this invention is to eliminate such inconvenience.

[0005]

[Means for Solving the Problems]

 In order to solve the above problems, in a rechargeable battery built-in electric appliance according to the present invention, a primary battery is built in, and in the electric appliance operated by this primary battery, a charging means is installed in the primary battery, and this charging means Since it made it possible to charge the primary battery from an AC power source,

By repeating the charging of the primary battery, the battery can be used as a power source for the electric device.

[0007]

[Mode for Carrying Out the Invention]

 FIG. 1 is a circuit diagram of an electric device with a rechargeable battery according to the present invention.

In FIG. 1, reference numeral 1 is a flashlight (corresponding to the “electrical device” of the present invention). Further, 11 and 11 are primary dry batteries (corresponding to the "primary battery" of the present invention) which are the power source of the flashlight 1, and two are arranged in series to supply 3V. Reference numeral 12 is a light bulb that is turned on by the primary batteries 11 and 11. Reference numeral 13 is a switch for controlling the lighting of the light bulb 12.

Next, 2 is a charging means installed in the flashlight 1. The primary dry battery 11 is charged by the charging means 2. In this charging means 2, 21 is a transformer, which transforms 100V AC into about 5V. The transformed 5V current is rectified into a direct current by the rectification transistor 22 and supplied to both electrodes of the primary dry battery 11. The supplied primary battery 11 is charged by the supplied current. Reference numeral 23 is a light emitting diode, which is connected in series between the rectifying transistor 22 and the primary dry battery 11. The light emitting diode 23 is for indicating that the primary dry battery 11 is being charged. 24 is a first resistor, which is connected in series between the rectifying transistor 22 and the light emitting diode 23, and 25 is a second resistor, which is connected to the rectifying transistor 22 and the light emitting diode 23 connected in series. , Are connected in parallel. Reference numeral 26 is a fuse, which is arranged between the rectifying transistor 22 and the primary dry battery 11.

It is also possible to install a relay means in the charging means 2 and to operate the relay means so as to automatically turn on the light bulb 12 when the AC power supply fails during charging.

In the above embodiment, the flashlight is mentioned as an example of the electric appliance, but the present invention is not limited to this and relates to all electric appliances.

[0012]

[Effect of device]

 The electrical equipment with built-in rechargeable battery according to the present invention has a built-in primary battery, and in the electrical equipment that operates by this primary battery, charging means is installed in the primary battery, and the primary battery is supplied from the AC power source by this charging means. Because it can be recharged,

By repeating the charging of the primary battery, the battery can be used as a power source for the electric device.

Therefore, by using this electric device with a built-in rechargeable battery, a low-priced primary battery can be used as a power source, so that the electric device with a built-in rechargeable battery can be reduced in price. Is.

[Brief description of drawings]

FIG. 1 is a circuit diagram of an electric device with a built-in rechargeable battery according to the present invention.

[Explanation of symbols]

 1 ... Flashlight (electrical equipment) 11 ... Primary battery 2 ... Charging means

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Akito Suzuki 36, Mango Nishimanba, Toei-cho, Kitashitara-gun, Aichi Prefecture

Claims (1)

[Scope of utility model registration request] 1. An electric appliance having a built-in primary battery, which is operated by the primary battery, wherein a charging means is installed in the primary battery, and the primary battery can be charged from an AC power supply by the charging means. Electric equipment with built-in rechargeable battery.