The present invention relates to an electronic lighting device, and particularly relates to an electronic candle.
An electronic candle, as a soft decoration, not only has the practicality and safety as lighting, but also has ornamental value and decorative effect. As result, it has been widely used in hotels, churches and with family and many other different places. For an electronic candle that can simulate a real burning candle, its light emission device can simulate the burning state of a conventional mineral candle, as well as create a quiet and peaceful atmosphere. Accordingly, it can make people relaxed, and thus has become very popular.
One primary object of the present invention is to provide an electronic device that is able to simulate certain natural environmental features and improve atmosphere.
To this end, the present invention proposes an electronic fountain candle, which comprises a transparent or semi-transparent outer cylinder, a battery compartment, a flow guiding cover, an LED-water pump assembly, and a control panel;
wherein the outer cylinder is a hollow tube body, the battery compartment is an inverted cup-shaped body with the cup opening facing down and the cup bottom facing up and disposed in the foregoing tube body, an inner wall of the outer cylinder is located on the cup bottom of the battery compartment and has a water storage chamber;
the LED-pump assembly is installed within the foregoing water storage chamber and comprises an LED-PCB board, which has been mounted with an LED and received a water-proof treatment, a water pump and a water drainage pipe, wherein the water outlet of the water pump is connected to the water drainage pipe;
the flow guiding cover is provided with a flow guiding hole and the water drainage pipe is in communication with the flow guiding hole;
the peripheral edge of the flow guiding cover is lower than an upper end surface of the outer cylinder, and a gap for water drainage is provided between the flow guiding cover and the inner wall of the outer cylinder;
the control panel is disposed within the battery compartment, and the LED-water pump assembly is electrically connected to the control panel.
The electronic fountain candle according to the present invention employs an LED to mimic the real light of a traditional lighting device; and at the same time, its water pump drives a water circulation that can simulate the sound of water flow in a natural environment. In this way, the electronic fountain candle according to the present invention is able to create a natural and tranquil atmosphere. This kind of atmosphere, for many people, can help them to be relaxed, help them to sleep and improve their sleeping quality as well.
The present invention will be further described in detail with certain exemplary embodiments of the present invention and in reference to the accompanying drawings.
In reference to
More specifically, the flow guiding cover 10 comprises the flow guiding frame and a paraffin wax coating layer 101, wherein the flow guiding frame comprises an upper peripheral edge 102 protruding upwards, the paraffin wax coating layer 101 covers the upper face of the flow guiding frame and is limited by the upper peripheral edge 102 that protrudes upwards; the flow guiding frame also comprises a lower peripheral edge 103 protruding downwards and also towards the surrounding periphery. The lower peripheral edge 103 is able to prevent the splashes generated when water is falling into the water storage chamber from splashing out via the gap between the flow guiding cover and the outer cylinder.
In the foregoing exemplary embodiment, the height of the cup body of the water storage chamber is relatively low, which is connected to the inner wall of the outer cylinder through sealing to form a chamber for water storage. In this way, the specific height of the cup body of the water storage chamber will not to affect its water storage function.
On the LED-water pump assembly, one positive electrode and one negative electrode (not shown in the drawings) are provided at different heights. Only when the water in the water storage chamber is high enough to submerge both the positive electrode and the negative electrode, the two electrodes will be electrically connected, and accordingly the pump will be started. On the other hand, when the water storage chamber does not have enough water, when the water level is below the higher electrode, the electrical connected between the two electrodes will be disconnected, and accordingly, the power supply to the water pump will be terminated. As a result, the water pump will stop running. In this way, the water pump is prevented from idling, which helps to protect the motor of the water pump and prolong the service life of the water pump.
In reference to
Based on the technical solutions of the Exemplary embodiment 1 and Exemplary embodiment 2 provided above, a person of ordinary skill in the art is able to understand that the structure of the water storage chamber can be completely omitted. Accordingly, the top wall of the battery compartment (cup bottom) will be connected to the inner wall of the outer cylinder through sealing, which allows a water storage chamber body to be formed on top of the battery compartment, and the LED-water pump assembly 4 can be accommodated within the water storage chamber body and electrically connected to the control panel within the battery compartment in a waterproofing manner.
In the foregoing exemplary embodiment, for the base 6, in particular its battery compartment part, protruding horizontal ribs 61 have been provided on the surface of the outer wall thereof, which are distributed around the circumference thereof; in addition, vertical grooves 61 may also be provided thereon, which are distributed vertically. In reference to
The control panel 3 is arranged on the battery base 7, which control panel 3 is also electrically connected to the battery base 7. A through hole 60 is provided on the horizontal divider of the base 6. Through the through hole 60, the connecting wires of the LED-water pump assembly 4 and the atomization chip are connected to the control panel arranged within the battery compartment. In addition, the foregoing through hole has also received a waterproof treatment, which helps to prevent the water in the water storage chamber from leaking into the battery compartment.
The circuits of the control panel will be further described as follows, please refer to
1. Power supply module: the input power supply is 5V or 4.5V by 3 batteries, which is controlled by the switch 1; when the switch 1 is in the ON state (the switch contact 3 and contact 6 are connected), the inputted power is first increased to 5V by SX1550, and then supplied to MCU, water pump, LED, atomization chip, and an end for infrared remote control for supplying electric power respectively. The power supply module may also be a rechargeable power supply module, which comprises a rechargeable battery and a battery recharging managing sub-module.
2. Water detection module: as shown in the circuit diagram, the first contact P1 and the second contact P2 are disposed in water; MCU opens the P02 (VDD1) contact to supply power for the water detection module, and at the same time, the first contact P1 outputs a square wave of 160 Hz; in the case when there is water, the square wave outputted from the contact P1 will be transmitted to the contact P2 via the medium water, and then enters the transistor Q1 for further signal amplification; next the amplified signal is sorted by the transistor Q2, and then transmitted to the P01 (P03) contact of MCU; in such a case, if the P01 (P03) contact can detect a waveform, it will be determined that there is water; if no wave form can be detected, it will be determined that there is no water. If the switch of the water pump or the switch of the atomization device is in an open state and it is determined that there is water, the water pump or the atomization device will start; but if there is no water, the water pump and the atomization device will not start.
3. Remote receiving module: the contact P12 and contact P11 of MCU are connected to the infrared receiving end; P11 is the contact for receiving signal, and P12 control the receiving end; they can save power according to certain specific needs, more specifically, when the P12 is at a high level, it will close the receiving end, while when the P12 is at a low level, it will open the receiving end; according to the received signal, MCU respectively controls the ON and OFF states of the output contact P03 (LED), P10 (water pump) and P13 (atomization chip). When the output contact P03 (LED) is at a low level, the LED will be turned on, while when it is at a high level, the LED will be turned off; when the output contact P10 (water pump) is at a low level, the water pump will be started; when the output contact P13 (atomization chip) outputs a square wave form of 100 KHz, the atomization chip will be in an ON state, while when the output contact P13 is at a low level, the atomization chip will be in an OFF state.
4. Switch module: the contact 17 of MCU is a switch for TIMER, the contact 16 of MCU is a switch for water pump; if the respective contact is connected to the ground, the TIMER or the water pump will be started; MCU also controls the ON/OFF states of P03 (LED) and P10 (water pump).
5. Atomization module: the contact 13 of MCU outputs a square waveform of 100 KHZ to control the ON/OFF state of MOS; the atomization chip can vibrate by adjusting capacitance; water is used as a medium, an ultrasound directed pressure is applied to water to disperse the liquid water molecules to form a natural flowing mist.
The content provided above is the further description for some preferred embodiments of the present invention, which should not be considered as limiting the embodiments of the present invention. For a person of ordinary skill in the art, without departing from the inventive concept of the present invention, a number of simple modifications and substitutions can be made to the present invention, which shall be considered as within the scope of the present invention. For example, in the first exemplary embodiment, for the specific way in which the water storage chamber and the battery compartment are provided, the two components may be provided separately, which may need further waterproofing treatment for the electrical connections to ensure that the electronic control part is not affected by the water, and that the respective structural parts can ensure water circulation.
Number | Date | Country | Kind |
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201410291186.0 | Jun 2014 | CN | national |
Filing Document | Filing Date | Country | Kind |
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PCT/CN2014/091362 | 11/18/2014 | WO | 00 |