TH69144B - Observation of faults in the heating circuit of an appliance - Google Patents

Abstract

DC60 (14/11/55) A household appliance consisting of a heating circuit (140) for heating of Flow consisting of a heating element (150) capable of providing selective energy (155) to determine the fluid heating schedule and an observation unit (125) for observation of operation. Operation of the heating circuit The observation unit (125) is structured to observe the electrical potential. At least one point within the heating circuit (140) where at least one electrical potential within the heating circuit (140) is at least one of the following types of electrical potential:

Claims (9)

Disclaimer (all) which will not appear on the advertisement page. : ------ 05/06/2018 ------ (OCR) Page 1 of 5 pages. 1. Household appliances consisting of a heating circuit (140) for providing Hot to fluid The fluid heating circuit (140) consists of a heating element (150) capable of providing selective energy (155) to heat the fluid and an observation unit (125) for monitoring its operation. The task of the heating circuit (140) in which the observation unit (125) is structured to: - observe at least one electrical potential within the heating circuit (140) where the At least one point of electricity within such a heating circuit (140) is at least one of the following types of electrical potential: - The internal electrical potential measured at the first terminal (160b) of the heating element (150). That is connected to the on / off switch (155) of the heating circuit (140); - internal electrical potential measured at the second terminal (160a) of the heating element (150) connected to the main switch (135) of the appliance group or the safety switch provided for Turn off the heating circuit in the event of a malfunction of the on / off switch (155) which has been characterized by the The observation unit (125) will also be configured to: - the voltage of the distribution network; And - calculate the first and second reference electrical potential starting from the measured voltage value of the network. In the power supply; - Compare at least one of the measured internal electrical potential with the reference potential at First and second -Know the state of good operation or malfunction of the heating circuit (140) by knowing the state of the malfunction in the event of at least one of the measured internal electrical potentials. No Within the compounded range of the first and second reference potentials, page 2 of the number 5 2. Household appliances according to claim 1, the first and second reference electrical potentials. Such will be calculated periodically. 3.Household equipment consisting of a heating circuit (140) for providing Hot to fluid The fluid heating circuit (140) consists of a heating element (150) capable of providing selective energy (155) to heat the fluid and an observation unit (125) for monitoring its operation. The task of the heating circuit (140), the observation unit (125), is structured to: - observe the electrical potential of at least the plug within the heating circuit (140) where the At least the electric potential of the filling inside the heating circuit (140) is one or more of the following types of electrical potential: - The internal electrical potential measured at the first connector (160b) of the heating element (150 ) That is connected to the on / off switch (155) of the heating circuit (140); - internal electrical potential measured at the second terminal (160a) of the heating element (150) connected to the main switch (135) of the apparatus or the safety switch provided for the shutdown. Cycle made Heat in case of on / off switch (155) malfunction. Which was made to have the characteristics that The observation unit (125) will also be configured to: - Detect the voltage of the power supply network; And - calculate the values of numbers without first and second dimensions Which starts with the measured voltage value of the network in Electrical supply; - calculate a third non-dimensional numerical value starting from at least one measured internal electrical potential; - Compare values of third without dimensions with values without first and second dimensions; And page 3 of the number 5 pages - Know the status of good operation or malfunction of the heating circuit by reaching Abnormal state of operation. The third dimensionless numerical value is not within the included value range. Between the first and second non-dimensional values 4. Household appliances according to claim 3, in which the first and second non-dimensional numerical values are Is calculated periodically 5. Household appliances according to claim 1 or 3 for which the observation unit (125) will be Connected to the AC mains voltage of the power distribution network by means of a voltage transformer and Rectifier assembly (110) to generate one or more DC voltage values (115). For feeding to the observation unit (125) 6. Household appliances according to claim 1 or 3, in which the observation unit (125) detects phase potential (105a) through a voltage divider (170), for example, a resistive potential divider. 7. Methods for observing the heating circuit (140) of household appliances. Which cycle makes The heat is provided to heat the fluid and is composed of a heating element (150) that can be selective in energy (155) to heat the fluid. Which methods of assembly are included as well The following steps: - Observe the electrical potential of at least one filling within the heating circuit (140) where the At least one electric plug inside the heating circuit (140) is said to be at least one of the following types of electrical potential: - Internal electrical potential measured at the first connector (160b) of the heating element (150). Connected to the on / off switch (155) of the heating circuit (140); - internal electrical potential, measured at the second terminal (160a) of the heating element (150) connected to the switch. The primary (135) of an appliance or safety switch is provided for closing the circuit. In the event of a malfunction of the on / off switch (155), it is characterized by the method being It consists of the following steps: page 4 of the number 5 pages - supply network voltage value; And - calculate the first and second reference electrical potential starting from the measured voltage value of the network. In the power supply; - Compare at least one of the measured internal electrical potential with the reference potential at One and - second -Know the state of good operation or malfunction of the heating circuit (140) by knowing the state of the malfunction in the event of at least one of the measured internal electrical potentials. No Within the range of the combined value between the first and second reference potentials. 8.Method for observing the heating circuit (140) of household appliances. Which cycle makes The heat is provided for heating the fluid and is composed of a heating element (150) that can be selective in energy (155) to heat the fluid. Which methods of assembly are included as well The following steps: - Observe at least one electrical potential within the heating circuit (140) where the At least one point of electricity within such a heating circuit (140) is at least one of the following types of electrical potential: - Internal water potential measured at the first terminal (160 b) of the heating element. (150) connected to the on / off switch (155) of the heating circuit (140); - internal electrical potential measured at the second terminal (160a) of the heating element (150) connected to the main switch (135) of the appliance or the safety switch provided for closing the circuit. Heating in the event of a malfunction of the on / off switch (155), which has been characterized by the It includes the following steps: - Detect the voltage of the distribution network; And - calculate the first and second dimensionless numerical values starting from the measured voltage value of the network in Electrical supply; 5 pages of the number 5 - calculate the third dimensionless numerical value starting from at least one measured internal electrical potential; - Compare the values of the third without the dimensions with the values of the numbers without the first and the second dimensions; And - know good operating status or malfunction of the heating circuit by knowing the Abnormal state of operation if the third dimensionless numerical value is not within the included value range. Between the first and second non-dimensional values 9. Household appliances as requested by request 1 or 3 in which the appliance is a washing machine. And / or driers Or a dishwasher ------------ 1. A household apparatus consisting of a heating circuit (140) for heating a fluid in which the circuit for heating such a fluid consists of a heating element (150) capable of providing selective energy (155) to provide Fluid heating and observation (125) of the operation of the heating circuit. The observer is configured to: - observe at least one electrical potential within the heating circuit, characterized by the fact that the observer is further configured to: - Detect the voltage of the network in the power supply; And - know good operating status or malfunction of the heating circuit depending on Compare at least one sensed electrical potential within the heating circuit and the voltage value. The detected electricity of the electricity supply network. 2. Equipment and equipment according to Article 1 in which the observation unit will be structured to realize the status Good operation or malfunction of the heating circuit depending on the potential comparison At least one of the detected electricity within a heating circuit has at least one of the potential to the reference electricity. This was obtained from the observation unit in a dynamic way during the operation of the labor equipment. Detected voltage of the power supply network. 3. Appliance according to claim 2 whose reference electrical potential obtained from such dynamic path will Is calculated periodically 4. Equipment according to claim 2 or 3, the observation unit will be structured for calculation. The first and second reference potentials to be used to compare at least one sensed internal electrical potential starting from the detected voltage of the distribution network, and to know the state. Good operation or malfunction of the heating circuit In the event that the internal electrical potential Detect at least one point not within the range whose value is between the first and second reference electric potential. 5. Appliance according to claim 1 in which the observation unit is configured to: - calculate the first and second dimensionless numerical values. Which starts from the network detected voltage value in Electrical supply; - Calculate the value of the number without the third dimension Which starts from at least one detected internal electrical potential; - Compare the values of the third without the dimensions and the values without the first and the second dimensions; And - knowing good operating status or malfunction of the heating circuit. If the number without The third dimension does not fall within the range of values between the first and second non-dimensional numerical values. 6. Appliance according to claim 5 in which the aforementioned first and second non-dimensional numerical values are calculated periodically. 7.Equipment in accordance with any of the previous claims. Where at least one electrical potential within In such a heating circuit there is at least one of the following types of electrical potential: - The internal electrical potential that is detected to correspond to the first terminal of the conducting element. Overheating is connected to the on / off switch (155) of the heating circuit; - the internal electrical potential that is detected to match the second connector of the given element It is connected to the main switch of the appliance (135) or the safety switch for turning off the heating circuit. In case the on / off switch malfunctions 8.Method for observing the heating circuit (140) of household appliances. Which cycle makes It is provided to heat the fluid and consists of a heating element (150) that can be selective energy (155) to heat the fluid. The methods include: - observing at least one electrical potential within the heating circuit, - detecting the voltage of the supply network; And - know good operating status or malfunction of the heating circuit depending on Compare at least one sensed electrical potential within the heating circuit and the voltage value. The detected electricity of the electricity supply network. 9. Means of claim 8, which indicate the status of good conduct or malfunctions of the The heating circuit, based on comparing the detected electrical potential at least one point within the circuit, makes Heat with at least one reference electrical potential Which is derived from a dynamic way During operation Of apparatus from the detected voltage of the supply network 1 0. Method for claim 9 in which the reference electrical potential obtained from such dynamic path is Calculate periodically