SUZHOU OPPLE LIGHTING CO., LTD.

Provided in the present disclosure are a lighting system controller, a track, and a lighting system. The lighting system controller comprises a power supply module, a processor, a control module, which is used for generating or processing a first control signal, a first communication interface, a second communication interface, a detection circuit, and an analysis circuit, where the second communication interface receives a second control signal or a third control signal input, which is converted into a first control signal by means of the detection circuit, the analysis circuit and the processor, after which the first control signal is output from the first communication interface.

The present disclosure discloses a hysteresis circuit, an emergency lighting circuit, and a lighting device. The hysteresis circuit includes a voltage detection module, an isolation coupling module, and a voltage adjusting module. By detecting the sampling voltage associated with the input voltage, in response to determining that the sampling voltage is detected to decrease to the trigger action voltage point, the corresponding level of the output signal flips until it is detected that the sampling voltage rises to the reverse recovery voltage point, and the corresponding level of the output signal is controlled to flip again.

A fixing structure and a lamp are provided. The fixing structure is configured to secure a power cord and includes a cover having a wire threading hole, and a housing disposed inside the cover. A wire threading groove is formed in the housing at a position corresponding to the wire threading hole, and the wire threading hole and the wire threading groove are configured to allow a clamping part of the power cord to pass through. A fixing part is formed between the housing and the cover, and the fixing part is configured to receive a retaining part of the power cord. The retaining part is disposed on the clamping part and protrudes relative to the clamping part in a circumferential direction of the power cord. The wire threading hole and the wire threading groove are disposed on upper and lower sides of the fixing part.

The present disclosure discloses a fan blade structure, a fan and a fan lamp. A fan blade structure includes: an inner edge located at a windward side, where the inner edge at least partially protrudes towards a leeward side, and the inner edge extends obliquely upwards from one end of the fan blade structure close to a rotational axis to one end of the fan blade structure facing away from the rotational axis; an outer edge located at the leeward side as a boundary edge of the fan blade, where the outer edge protrudes towards the leeward side, and the outer edge extends obliquely upwards from the end of the fan blade structure close to the rotational axis to the end of the fan blade structure facing away from the rotational axis; and a cambered surface connected between the inner edge and the outer edge.

The present disclosure relates to the technical field of circuits. Provided are a power carrier circuit and a lighting device. A carrier modulates a carrier signal into an alternating current of a first power source line, so as to obtain an alternating-current carrier control signal; a rectifier converts into a direct current the alternating-current carrier control signal transmitted by the first power source line; a first coupler is used for filtering out a direct-current signal and a low-frequency signal in the alternating-current carrier control signal, and retaining a high-frequency signal in the alternating-current carrier control signal, where the target carrier signal and the first direct-current signal are modulated in a second power source line; a second coupler is used for performing coupling on the direct-current power source carrier signal to obtain the target carrier signal, and transmitting the target carrier signal to a lighting module.

The present disclosure provides a constant current drive circuit, a constant current control system, and a lamp. The constant current drive circuit includes a load module, a start-stop module for controlling the starting and stopping of the load module, an energy storage module, and a rectifier module for controlling the current angle and current magnitude of the load module circuit. The energy storage module can charge when the load module is input with a high voltage and discharge when the load module is input with a low voltage. The rectifier module includes a resistor R 1 , a first compensation circuit, a first reference circuit, a first comparator, and a field-effect transistor M 1 connected, the drain electrode and the source electrode of the field-effect transistor M 1 are connected to the energy storage module and the resistor R 3 .

The present disclosure discloses a lamp, including a lamp body and a cover ring sleeved on an outer side of a bottom of the lamp body, the lamp body is rotatable relative to the cover ring; an outer side wall of the bottom of the lamp body is provided with a first limiting member extending horizontally, and the first limiting member is configured to limit a position of the lamp body in a vertical direction; the first limiting member is provided with a second limiting member protruded outwardly; and an inner side wall of the cover ring is provided with a third limiting member corresponding to the second limiting member; in a case that the lamp body is rotated relative to the cover ring, the second limiting member and the third limiting member are interfered with each other to prevent the lamp body from rotating unrestrictedly.

Provided in the present disclosure are a drive circuit, a drive controller, and a lamp. The drive circuit includes a load module, an energy storage module, a constant-current control module and a sampling signal module, where the load module includes a first load and a second load, which are connected to a power supply module; the energy storage module is connected to the first load, the power supply module charges the energy storage module, and the energy storage module can supply power to the load module; the constant-current control module includes a first control unit and a fourth control unit, which are connected to the second load in parallel, and a second control unit and a third control unit, which are connected to the second load in series; and the sampling signal module comprises a diode D 1 and a sampling module.

A fan blade, a fan and a fan lamp. The fan blade includes: a blade root; a blade tip; a leading edge, which connects the blade root to the blade tip and is located on a windward side; and a trailing edge, which connects the blade root to the blade tip and is located on a leeward side, wherein the leading edge is configured in a wavy shape from the blade root towards the blade tip, the trailing edge is configured in an arc shape, and the distance between the leading edge and the trailing edge increases first and then decreases from the blade root towards the blade tip.

The present disclosure provides a constant current driving circuit, a circuit input power calculation method, and a lamp. The constant current driving circuit includes: a constant voltage module, configured to convert an external alternating current into a direct current with a constant voltage, where a first resistor is connected to a negative output terminal of the constant voltage module; a constant current module, connected to the constant voltage module and configured to convert the direct current with the constant voltage into a direct current with a constant current; an operational amplifier detection module, where input terminals of the operational amplifier detection module are connected to both ends of the first resistor and configured to detect a voltage of the first resistor; and a control module.