JPH0323143Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a metal thermos flask with a heater, in which a vacuum section is formed between an inner container and an outer container, and a heating element is attached to the inner container. .

(Prior Art) As shown in FIG. 3, a conventional metal thermos with a heater has a vacuum section formed between an inner container 13 and an outer container 13A, and a heating element 14 installed in the vacuum section at the bottom of the inner container 13. , the heating element 14 is caused to generate heat by an external power source such as a car battery or a household power source, and the inner container 13 is heated.
The hot water inside was being heated and kept warm.

(Problem that the invention aims to solve) Conventional water heaters can only be kept warm by a vacuum structure when there is no external power source, such as outdoors, so the water temperature will drop when carried outdoors and used. It was not possible to obtain hot boiling water, making it difficult to prepare instant foods and delicious drinks.

(Means for Solving the Problems) The present invention was made to solve the above problems, and it forms a vacuum section between the inner container and the outer container, and attaches a heating element to the bottom of the inner container. and a charger and a charging plug holder are provided outside the outer container,
When the charging plug of the connection cord is connected to the charging plug receptacle, the external power supply conducts electricity to the charger for charging, and when the charging plug is removed, the charger conducts electricity to the heating element and energizes it. It was designed to make the students do the following.

(Function) With this configuration, even when there is no external power source, such as outdoors, the heating element is made to generate heat by the charger installed inside the main body, and the hot water in the inner container can be heated. Therefore, you can always get hot boiling water for a long time even when you carry it outdoors and use it.

(Example) An example of the present invention will be described below with reference to the drawings.

Figure 1 is a sectional view of one embodiment of the present invention;
The figure is also a circuit diagram.

In the figure, 1 is an inner container, and 2 is an outer container that covers the outside of the inner container 1. The inner container 1 and the outer container 2 are made of metal, and a vacuum section is formed in the space between the containers 1 and 2. There is.

A heating element 3 for heating hot water in the inner container 1 is attached to the bottom of the inner container 1. A lead wire 4 is led out to the outside through an outlet 5 provided on the bottom of the outer container 2, and is used to supply electricity to the heating element 3. A charger 6 made of a battery, a nickel cadmium battery, etc., and a charging plug receiver 7 are provided at the outer bottom of the outer container 2. 8 is an external power source such as a car battery or household power source in the outer container 2
This is a connection cord for supplying electricity to the charger 6 on the bottom.One end has a charging plug 9 that can be attached to and detached from the charging plug receiver 7, and the other end can be detachably connected to a household power source, etc. A charging adapter 11 is provided between the plugs 9 and 10 and operates only when the plug 10 is connected to a household power source. The charging plug receiver 7 has terminals 7A, 7B, and 7C, and when the plug 9 of the connection cord 8 from the outside is inserted and connected, the terminal 7A and the terminal 9A of the plug 9, and the terminal 7C and the terminal of the plug 9. 9B are connected respectively, terminals 7B, 7
The contact between C is opened. Furthermore, when the plug 9 is removed, the contacts between the terminals 7B and 7C are short-circuited. Lead wires 4 of the heating element 3 are connected to terminals 7A and 7B of the charging plug receiver 7, respectively,
Also, the charger 6 has one end connected to the terminal 7A and the other end connected to the terminal 7A.
Connected to C.

Next, the operation of this embodiment will be described.

First, plug 1 for connecting connection cord 8.
0 is connected to a household power source and the charging plug 9 is connected to the charging plug receiver 7, the voltage is rectified by the charging adapter 11 and made into a low voltage.
Further, when the plug 10 is connected to a low voltage power source such as a car battery, the charging adapter 11 does not work and the voltage as it is is applied to the terminals 7A and 7C of the charging plug receiver 7.

Here, when the charging plug 9 is connected to the charging plug receiver 7, the contact between the terminals 7B and 7C is opened, so the voltage from the external power supply is applied only to the charger 6, and the charger 6 is not charged. It will be done.

After charging has been carried out for a long time, when hot water is stored in the inner container 1 and the charging plug 9 is pulled out from the charging plug receiver 7, the terminal 7 of the charging plug receiver 7
Since the contacts between B and 7C are short-circuited, the charging voltage of the charger 6 is applied to the heating element 3, and the heating element 3 generates heat.
The hot water in the inner container 1 will be heated.

(Effects of the invention) As described above, according to the invention, even when carried outdoors or other places where there is no external power source, as long as it is charged, the electric power of the charger can heat and keep hot water.
Hot boiling water can be obtained at any time for a long period of time, making it easy to prepare instant foods and delicious drinks, and extremely effective results can be expected.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of a metal thermos flask with a heater according to an embodiment of the present invention, FIG. 2 is a circuit diagram thereof, and FIG. 3 is a sectional view of a conventional metal thermos flask with a heater. 1... Inner container, 2... Outer container, 3... Heating element,
6... Charger, 7... Charging plug receiver, 8...
Connection cord, 9...Plug for charging.

Claims (1)

[Scope of utility model registration request] A vacuum part is formed between the inner container 1 and the outer container 2, a heating element 3 is attached to the bottom of the inner container 1, a charger 6 and a charging plug receiver 7 are provided outside the outer container 2, and When the charging plug 9 of the connection cord 8 is connected to the charging plug receptacle 7, the external power supply conducts to the charger 6 for charging, and when the charging plug 9 is removed, the charger 6
A metal thermos flask with a heater, characterized in that the heating element 3 is electrically connected and energized.