The present invention relates to a water lamp, and more particularly to a structure allowing liquid to generate a dynamic effect with an electric heater.
Current people focus on the quality of life, and require a relaxed atmosphere and a sense of self-space design on both the design and layout of living spaces; the design and furnishings can be arranged with the help of general accessories, such as: paintings and calligraphy, lighting, tablecloths, decorations, candlesticks, and etc., where the light of lighting and candlesticks can more create an excellent atmosphere in the space.
For example, the lighting disclosed in U.S. Pat. No. 7,063,431 B2 applied by and approved for the applicant of the present invention mainly fills low boiling point liquid of dichloromethane in a vacuum glass tube, and the bottom end of the glass tube is provided with a circuit structure including at least one component that can be electrified to generate heat due to resistance effect. In this way, the bottom surface of the glass tube can receive the working heat source generated by the electric current through the resistance to reach the boiling point of the liquid in the glass tube to generate a decorative effect of bubbles. However, dichloromethane is a chloride, which is harmful to health and has varying degrees of impact on the environment. In addition, the liquid container is made of glass, and prone to fragmentation due to collision during manufacturing and handling, and glass lighting is also quite inconvenient when storing.
To overcome the above disadvantages, the present invention proposes a resistance water lamp, comprising: a main body, made of plastic material, and being a transparent hollow three-dimensional type, low boiling point liquid filled in an inside thereof, and an accommodation tank, fixed to one side of the main body, an inside thereof provided with an electric control unit including at least one electric heater and power source, the electric heater positioned correspondingly to the side of the main body, and power thereof provided by the power source, the electric heater producing a thermistor effect and generating heat energy when the electric heater is energized, thereby driving the liquid inside the main body to generate relative flowing with the heat energy.
When the heater is energized, it will produce a thermistor effect to generate heat energy, thereby driving the low boiling point liquid to create relative flowing with the heat energy, and forming a water lamp structure having dynamic changes.
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The accommodation tank 2 is configured with an opening 21, and fixed to one side of the main body 1 with the opening 21; the inside of the accommodation tank 2 is configured with an electric control unit 3 including a circuit board 31, at least one electric heater 3, at least one light-emitting element 31 and power source 34, where the electric heater 32, light-emitting element 33 and power source 34 are respectively electrically connected with the circuit board 31, which can control the flicker frequency and light color change of the light-emitting element 33 through a circuit design. However, the circuit design can be changed in many ways and is not the focus of the present invention, so the detail thereof is omitted here.
The power source 34 is adapted to provide the electric heater 32 and light-emitting element 33 with power, and the present invention does not limit the type of the power source 34; it can be mains or battery. Furthermore, the present invention also does not limit the number of the electric heaters 32 and the one of the light-emitting elements 33, and they can be increased depending on the structural design. In the embodiment, a plurality of electric heaters 32 and a plurality of light-emitting elements 33 are shown in the figures, but the present invention is not so limited. In addition, the electric heater 32 may be an electric heating wire, electric heating piece, cement resistor or incandescent bulb.
As mentioned above, in order to directly conduct the thermal energy of the electric heater 32 and the light-emitting element 33 to the side of the main body 1, the electric heater 32 and light-emitting element 33 are preferably formed a close contact with the side of the main body 1. In addition, the electric control unit 3 further includes a switch 35, through which the power source (mains or battery) can be conducted and closed. Furthermore, each of the electric heaters 32 is allowed to be energized to generate heat energy, and the circuit board control the time sequence of the light color changes of each of the light-emitting elements 33.
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As mentioned above, the shoulder 22, in the embodiment, is adapted to mount and fix the electric control unit 3, allowing the electric heater 32 to be close to the bottom of the main body 1. Therefore, any structure that can be used to fix the electronic control unit 3 or make the electric heater 32 close to the bottom of the water lamp body 1 falls in the scope of this present invention.