Abstract: A water heater includes a case, in which a hot source, a cold source, a thermoelectric cooling chip, and a power requiring unit are provided. The thermoelectric cooling chip has a close loop with a hot junction adjacent to the hot source; and a cold junction adjacent to the cold source, that the thermoelectric cooling chip generates a current through the close loop when a temperature at the hot junction, is higher than a temperature at the cold junction. The power requiring unit is electrically connected to the close loop of the thermoelectric cooling chip; therefore, the power requiring unit may be driven by the power from the thermoelectric cooling chip, when the main power is low or off.

Abstract: A water heater includes a remote controller having a setting unit and a display unit; an electronic heater having a circuit board, a combustor, and a sensing unit, wherein the sensing unit reads the electronic heater; and an exchanger having a first transmitter, a first receiver, and a first converter electrically connected to the remote controller, and a second transmitter, a second receiver, and a second converter electrically connected to the electronic heater. The first transmitter transmits a signal from the setting unit to the circuit board through the second receiver, to control the electronic heater according to the signal, and the second transmitter transmits signal from the sensing unit to the first receiver of the remote controller, to show real-time information of the electronic heater on the display unit.

Abstract: A service method of gas appliances includes: Detecting the gas appliances at the client ends to generate detecting signals. Transmitting the detecting signals to a service end. Identifying which client end the detecting signals come from. Examining the detecting signals to find whether the gas appliance has an abnormal condition; and informing the client end when the abnormal condition is found. After all, the service end may monitor the gas appliances at the client end, and inform the client for repair when the gas appliance has detected an abnormal signal or has damaged parts.

Abstract: The present invention provides a remote control system that includes at least a gas appliance; a repeater, and a remote control device. The gas appliance is connected to the repeater through a Zigbee transmission, and the remote control device is connected to the repeater through a network (internet or telecommunication network). User inputs a command at the remote control device, and the remote control device transmits the command to the repeater through the network, and then the repeater will control the gas appliance according to the command. The gas appliance is provided with sensors to detect data in regards to the gas appliance. The data is transmitted to the remote control device and shown on a screen through the repeater and the network.

Abstract: The present invention provides a method of testing gas supply of a gas appliance, which includes the steps of: monitoring a flow rate of a gas flow through a gas regulator of a pipeline to have a detected gas flow rate; comparing the detected gas flow rate with the ideal range of gas flow rate; and providing an alarm when the detected gas flow rate exceeds the ideal range of gas flow rate. The present invention further provides a compensating method when an abnormal condition is detected. The compensating method will change the gas flow rate or the air flow rate to get a proper air fuel ratio of the mixed gas.

Abstract: A backup power supply system of a water heater includes a power transforming device and a controller. The power transforming device generates a DC current with an initial voltage through sensing the temperature change under a low battery condition. The controller examines the initial voltage of the DC current and gives command to which device to supply power to the water heater or to amplify the initial voltage of the DC current for maintaining the water heater's normal work.

Abstract: A method for examining water heater safety includes the steps of: setting a desired temperature and sensing a cold water temperature and a flow rate of water to calculate a theoretical gas consumption, and then supplying a combustor the theoretical gas consumption to heat water; sensing a hot water temperature, and calculating a temperature ratio by the desired temperature, the cold water temperature and the hot water temperature. Examining the temperature ratio may find that the water heater is abnormal or malfunctioning. An efficiency ratio may also be calculated by the theoretical gas consumption and the actual gas consumption. Examining the efficiency ratio may find that the water heater is abnormal or malfunctioning as well.

Abstract: A water heater includes a combustor, a gas valve, a blower, a detector, and an operating device. The detector senses a speed of a motor of the blower.

Abstract: A temperature controlling device includes a setting controller, a gas valve, a burner, an inlet temperature sensor, a water meter, and an operational controller. User sets a desired temperature via the setting controller. The inlet temperature sensor senses an inlet temperature of water at an inlet of a pipe, and then operational controller calculates a difference between the inlet temperature and the desired temperature to get a total heat for heating water in a predetermined heating time and transfer the total heat into a total gas consumption, and controls the gas valve to supply gas to the burner with an amount of the total gas consumption in a predetermined heating time. After that, water should be heated to the desired temperature, and the operational controller controls the gas valve to decrease the gas supply for maintaining water temperature.

Abstract: A combustor of a water heater includes a burner member and a flame cover. The burner member has a passageway therein with an inlet and an outlet. The flame cover has a plurality of flame holes. The character of the present invention is that the burner member is provided with a room at a top thereof communicated with the passageway. A separating device is put in the room, and the flame cover is connected to the burner member to cover the separating device The separating device has a main outlet and two side outlets right under the flame holes of the flame cover to generate main flames and side flames respectively.

Abstract: A combustor assembly of a water heater, which is provided between an air blower and a burner set to guide air from the air blower to the burner set, includes a first board, a second board and a third board stacked in sequence. Between the first board and the second board there is a first chamber and a first port, and between the second board and the first board there is a second chamber and a second port. The second board and the third board both have apertures. These boards restrict and divide an air flow of the air blower to flow along several paths to increase heat efficiency.

Abstract: A valve of a gas stove includes a valve member and a first sealing member. The valve member is an integral body having a left tube, a right tube, and a connection tube between the left tube and the right tube in a single member. The valve member further has a gas channel therein extended from the left tube, the connection tube to the right tube in sequence and a first bore on the left tube to be communicated with the gas channel. The connection tube has an inlet to be connected to an external gas supply. The first sealing member may be moved to seal the first bore of the gas channel. The present invention has many advantages including strong structure, high precision, and easy for fabrication and assembly.

Abstract: A gas flow rate control valve includes a lower valve block defining a gas flow passage, and an upper valve block having a tube disposed ill communication with the gas flow passage, and a solenoid coil assembly surrounding the tube for generating a magnetic field. A magnetic column has a magnetic portion inserted into the tube and axially movable by the magnetic field generated by the solenoid coil assembly, and a stopper movable with the magnetic portion to change the open cross-sectional area of the gas flow passage so as to control the flow rate of the fuel gas passing through the gas flow passage. A spring member is provided at one of the top and bottom sides of the magnetic column to keep the magnetic column in balance and to provide a return force to the magnetic column after displacement of the magnetic column.

Abstract: A control device for a gas burner includes a housing having a chamber and an inlet and an outlet portion communicating with the chamber of the housing for receiving a gas, a casing rotatably engaged into the chamber of the housing for controlling the flowing of the gas from the inlet to the outlet portion of the housing, a mouth piece attached to the outlet portion of the housing for allowing the gas to flow out through the mouth piece, and a gas nozzle selectively attached to the mouth piece and having an outlet opening smaller than that of the mouth piece for supplying a reduced gas out through the gas nozzle and for fitting with the natural or the bottled gas reservoirs.

Abstract: A detecting and measuring device includes a base member, a circuit board secured on the base member, and a covering member secured on the base member to cover the circuit board; the circuit board has a detecting and measuring component fitted on a middle portion thereof; the detecting and measuring component is easily replaceable, and it is used to detect and measure oxygen concentration and other data; a power supply and a wireless communication module are connected to the detecting and measuring component; in use, the detecting and measuring component will continue detecting and measuring oxygen concentration and other data in the surroundings, and the wireless communication module will continue transferring the data obtained through the detecting and measuring component so that a person can receive the data by means of internet in other places or with a wireless communication device such as a cellular phone at a distance away.

Abstract: The sensor device has a casing housing a circuit board and a replaceable sensor on the circuit board. The casing has an opening corresponding to the sensor location and a manually removable cap is reliably positioned in the opening. Once the cap is removed, the sensor can be easily accessed and replaced. The cap is integrated with the casing smoothly so that the appealing of the outlook of the sensor device is minimally affected.

Abstract: The oxygen sensing device contains a power circuit supplying the electricity required, an oxygen sensor for detecting the oxygen concentration in the atmosphere, an alarm system issuing an audible or visual alarm signal, and a controller. The controller is a computing device having a preset threshold value that continuously obtains the current oxygen concentration from the oxygen sensor. The controller then can calculate and obtain the variation rate of the oxygen concentration in a unit time. If the controller detects that the current oxygen concentration is about to drop below the threshold value, it will activate the alarm system to issue an alarm to alert people to take immediate and proper action.

Abstract: A combustion assembly includes a single stage gas valve, a burner member having a flame end, a spark generating member, a flame sensing member, and a controller. The spark generating member generates a spark in response to a spark signal and is positioned adjacent to the flame end of the burner member. The flame sensing member senses the presence of a flame and is also positioned adjacent to the flame end. The controller provides a valve open signal to the valve to control a flow of gas to the burner member, provides a spark signal to the spark generating member to generate a spark that ignites the flow of gas, receives a flame sense signal from the flame sensing member related to the state of the flame, and provides a valve closed signal to stop the flow of gas when the flame sense signal indicates no flame is present.

Abstract: A gas valve switch structure of a gas stove includes a top base, an aluminum plate, a sealing washer, two rubber washers, two fixing pieces, a female base, and a protective plate. The protective plate is used for sealing the rubber washer and the fixing piece in the oblong hole of the female base. Then, the top base is screwed on the female base, with the aluminum plate and the sealing washer being clamped between the top base and the female base. The air storing chambers of the female base are closed while the rubber washer and the fixing piece are sealed in the oblong hole of the female base by provision of the aluminum plate and the sealing washer, and the gas valve switch structure of the gas stove achieves a gas triple safety switch by provision of the two electromtagnetic valves and the control bolt.