Abstract: A spacing comb for a hair cutting appliance. The comb includes a support frame, a series of comb teeth each having a frontal portion and a rear portion, wherein the comb teeth extend from the support frame. The support frame includes a frontal connector bar and a rear connector plate, wherein the frontal portions of the comb teeth extend from the frontal connector bar. The frontal connector bar is inwardly curved towards the rear connector plate, such that a central portion of the frontal connector bar is rearwardly offset from lateral portions thereof. Also described herein is a hair cutting appliance that is equipped with such a spacing comb.

Abstract: A hand held personal care device (1) with an operative unit (3) connected to a main housing (2), a light source (24), and an optically transparent light guide (23) having a light receiving surface (27), a light emitting surface (6) and a light guiding member (31) extending from the light receiving surface to the light emitting surface for guiding light from the light receiving surface to the light emitting surface. The light source is arranged in a watertight chamber (51) of the main housing. The main housing includes an optically transparent wall portion (52) arranged adjacent to the light source and bounding the watertight chamber. The light guide is arranged outside the watertight chamber and the light receiving surface is arranged adjacent to the optically transparent wall portion in a position for receiving light from the light source via the optically transparent wall portion.

Abstract: A hand held personal care device (1) with an operative unit (3) connected to a main housing (2), a light source (24), and an optically transparent light guide (23) having a light receiving surface (27), a light emitting surface (6) and a light guiding member (31) extending from the light receiving surface to the light emitting surface for guiding light from the light receiving surface to the light emitting surface. The light source is arranged in a watertight chamber (51) of the main housing. The main housing includes an optically transparent wall portion (52) arranged adjacent to the light source and bounding the watertight chamber. The light guide is arranged outside the watertight chamber and the light receiving surface is arranged adjacent to the optically transparent wall portion in a position for receiving light from the light source via the optically transparent wall portion.

Abstract: A method for performing a charging modulation between one or more charging poles, a local power system and a global power system is provided, the method comprising: receiving monitoring data from one or more measuring devices; receiving controlling data from the global power system, the local power system, a customer management system, and the one or more charging poles; identifying one or more measuring values corresponding to phases of a three-phase power system according to the monitoring data; adjusting the charge level of a target phase of a target charging electricity by determining whether the target measuring value of the target phase of the target charging electricity exceeds an allowed charging range according to one or more measuring values; and determining whether to turn the target phase of the provided target charging electricity off or on according to current charge level of the target phase.

Abstract: A spacing comb for a hair cutting appliance. The comb includes a support frame, a series of comb teeth each having a frontal portion and a rear portion, wherein the comb teeth extend from the support frame. The support frame includes a frontal connector bar and a rear connector plate, wherein the frontal portions of the comb teeth extend from the frontal connector bar. The frontal connector bar is inwardly curved towards the rear connector plate, such that a central portion of the frontal connector bar is rearwardly offset from lateral portions thereof. Also described herein is a hair cutting appliance that is equipped with such a spacing comb.

Abstract: The present disclosure relates to spacing comb (70) for a hair cutting appliance (10), the comb (70) comprising a support frame (72), a series of comb teeth (76) each having a frontal portion (78) and a rear portion (80), wherein the comb teeth (76) extend from the support frame (72), wherein the support frame (72) comprises a frontal connector bar (100) and a rear connector plate (102), wherein the frontal portions (78) of the comb teeth (76) extend from the frontal connector bar (100), and wherein the frontal connector bar (100) is inwardly curved towards the rear connector plate (102), such that a central portion (110) of the frontal connector bar (100) is rearwardly offset from lateral portions (112, 114) thereof. The present disclosure further relates to a hair cutting appliance (10) that is equipped with a spacing comb (70).

Abstract: A safety switch arrangement for a power connector of a personal care appliance includes a housing with a power connector having a connector receptacle, an operating switch, and an actuator. The actuator is mounted to the housing and is moveable between first and second states. In the first state, the actuator enables operation of the personal care appliance and prevents contact with the connector receptacle, and in the second state, the actuator prevents operation of the personal care appliance and enables contact with the connector receptacle.

Abstract: The present disclosure relates to a safety switch arrangement (50) for a power connector of a personal care appliance (30), the arrangement (50) comprising a housing portion (52), a power connector unit (72) comprising a connector receptacle (74), an operating switch (56), and an actuation portion (54), wherein the actuation portion (54) is mounted to the housing portion (52) and arranged to be moved between a first state and a second state, wherein the power connector unit (72) is arranged at the housing portion (52), wherein the actuation portion (54), in the first state, enables an operation of the personal care appliance (30) and prevents a contact with the connector receptacle (74), and wherein the actuation portion (54), in the second state, prevents an operation of the personal care appliance (30) and enables a contact with the connector receptacle (74).

Abstract: The present disclosure relates to spacing comb (70) for a hair cutting appliance (10), the comb (70) comprising a support frame (72), a series of comb teeth (76) each having a frontal portion (78) and a rear portion (80), wherein the comb teeth (76) extend from the support frame (72), wherein the support frame (72) comprises a frontal connector bar (100) and a rear connector plate (102), wherein the frontal portions (78) of the comb teeth (76) extend from the frontal connector bar (100), and wherein the frontal connector bar (100) is inwardly curved towards the rear connector plate (102), such that a central portion (110) of the frontal connector bar (100) is rearwardly offset from lateral portions (112, 114) thereof. The present disclosure further relates to a hair cutting appliance (10) that is equipped with a spacing comb (70).

Abstract: The present invention relates to a method and a system for identifying energy consumption of electrical appliances. The method uses a string current controller to connect one or more strings of terminal controller string group, wherein each string of terminal controller string group includes one or more terminal controllers connected in series according to priority and each terminal controller is connected to a group of electrical appliances, the string current controller controls, via commands, the power of every terminal controller that are turned on in order of priority in the terminal controller string group, and detects and records the power value, and compares the power value with the rated power of the string current controller, thus, the power of each terminal controller can be monitored and identified in real time to identify and alarm the energy consumption, thereby improving the safety and reliability of the use of electrical appliances.

Abstract: The invention provides a multi-channel independent control circuit of lighting power supply, including a power supply control circuit, a transformer, a main current rectifier circuit, a feedback circuit and a main current output circuit, and also including one or more secondary side units. The secondary side unit includes secondary windings, secondary side rectifier circuit, secondary side output circuit, switching circuit, detector and logic control circuit, the secondary side winding is couple to the primary winding, the secondary side rectifier circuit and the secondary side output circuit are sequentially connected in parallel across the loop of the secondary winding, the detector is disposed in the secondary side output circuit and an output end of the detector is connected to an input end of the switching circuit through the logic control circuit. An output end of the switching circuit is connected to the secondary side output circuit.

Abstract: The invention provides a circuit for improving the stability of the backfeed of driving power supplies, including a reference resistor, a current measuring resistor, a comparator, a logic circuit, a driving circuit and a load, and also including a control circuit, a current limiting resistor, an energy storage capacitor, and a resistor for generating a voltage difference of the residual current, an output end of the comparator is connected to one end of the current limiting resistor, the other end of the current limiting resistor is simultaneously connected to one end of the resistor for generating a voltage difference of the residual current and an input end of the logic circuit, a backfeed voltage between the current limiting resistor and the resistor for generating a voltage difference of the residual current is directed to the logic circuit, the other end of the resistor for generating a voltage difference of the residual current is connected to one end of the energy storage capacitor.

Abstract: The invention relates to an intelligent installation method of indoor lighting system, characterized in that the method comprises the following steps: firstly design lighting system design diagrams on a computer according to indoor spatial dimensions, including installation lines, installation lighting devices and control scenes that make up the lighting system; and then above-mentioned designed lighting system is automatically implemented installation and debugging using intelligent methods indoors. The method for intelligent installation of indoor lighting system involved in the present invention can be automatically implemented installation and debugging using intelligent methods indoors, so that when the simulation scene of the lighting system is successfully designed, automatic installation and debugging can be performed indoors, which saves a lot of installation human costs.

Abstract: The invention provides a method and system for automatically implementing lighting control scene.

Abstract: The invention provides a multi-channel independent control circuit of lighting power supply, including a power supply control circuit, a transformer, a main current rectifier circuit, a feedback circuit and a main current output circuit, and also including one or more secondary side units. The secondary side unit includes secondary windings, secondary side rectifier circuit, secondary side output circuit, switching circuit, detector and logic control circuit, the secondary side winding is couple to the primary winding, the secondary side rectifier circuit and the secondary side output circuit are sequentially connected in parallel across the loop of the secondary winding, the detector is disposed in the secondary side output circuit and an output end of the detector is connected to an input end of the switching circuit through the logic control circuit. An output end of the switching circuit is connected to the secondary side output circuit.

Abstract: The present invention relates to a method and a system for identifying energy consumption of electrical appliances. The method uses a string current controller to connect one or more strings of terminal controller string group, wherein each string of terminal controller string group includes one or more terminal controllers connected in series according to priority and each terminal controller is connected to a group of electrical appliances, the string current controller controls, via commands, the power of every terminal controller that are turned on in order of priority in the terminal controller string group, and detects and records the power value, and compares the power value with the rated power of the string current controller, thus, the power of each terminal controller can be monitored and identified in real time to identify and alarm the energy consumption, thereby improving the safety and reliability of the use of electrical appliances.

Abstract: The invention provides a circuit for improving the stability of the backfeed of driving power supplies, including a reference resistor, a current measuring resistor, a comparator, a logic circuit, a driving circuit and a load, and also including a control circuit, a current limiting resistor, an energy storage capacitor, and a resistor for generating a voltage difference of the residual current, an output end of the comparator is connected to one end of the current limiting resistor, the other end of the current limiting resistor is simultaneously connected to one end of the resistor for generating a voltage difference of the residual current and an input end of the logic circuit, a backfeed voltage between the current limiting resistor and the resistor for generating a voltage difference of the residual current is directed to the logic circuit, the other end of the resistor for generating a voltage difference of the residual current is connected to one end of the energy storage capacitor.

Abstract: The invention relates to an intelligent installation method of indoor lighting system, characterized in that the method comprises the following steps: firstly design lighting system design diagrams on a computer according to indoor spatial dimensions, including installation lines, installation lighting devices and control scenes that make up the lighting system; and then above-mentioned designed lighting system is automatically implemented installation and debugging using intelligent methods indoors. The method for intelligent installation of indoor lighting system involved in the present invention can be automatically implemented installation and debugging using intelligent methods indoors, so that when the simulation scene of the lighting system is successfully designed, automatic installation and debugging can be performed indoors, which saves a lot of installation human costs.

Abstract: The invention provides a self-coupled power supply ripple rejection circuit and method, the circuit includes a coupled inductor, a balanced capacitor, an input capacitor and an output capacitor. The coupled inductor includes a first inductor and a second inductor coupled to each other and wound around a same magnetic core, a dotted terminal of the first inductor and one end of the input capacitor are both connected to a power supply input end, a dotted terminal of the second inductor is connected to one end of the balanced capacitor, and the other end of the first inductor, the other end of the second inductor and one end of the output capacitor are all connected to the power supply output end, and the other end of the balanced capacitor, the other end of the input capacitor and the other end of the output capacitor are all grounded. The invention adopts a special inductor—coupled inductor, cooperated with a balanced capacitor to achieve high reliability and high efficiency power supply ripple rejection.

Abstract: The invention provides a method and system for automatically implementing lighting control scene.