37results about How to "Stable working power" patented technology

The present invention discloses a microwave magnetron single power supply for medical use, which comprises a bridge rectification circuit and a transformer equipped with a primary winding a high voltage secondary winding, and a low-voltage secondary winding for providing voltage for magnetron filament, as an improvement, the output end of the rectification circuit is also provided with a constant-current source control circuit.

The invention relates to a power processing interface of the radiofrequency identification system, which comprises a resonating circuit to sense a first modulating signal sent by a sending end as an AC voltage source, a first rectification circuit which is connected with the resonating circuit and transfer the AC voltage source into a DC voltage, a voltage monitoring circuit which is connected with the wave filter circuit and the first rectification circuit and monitor the working voltage, a second rectification circuit which is connected with the voltage clamp modulating circuit and the resonating circuit, and a voltage clamp modulating circuit which is connected with the first rectification circuit and the second rectification circuit and use the output of the voltage monitoring circuit and the corresponding monitoring working voltage to control the condition of the second rectification circuit to roadside the excess current and provide a effect lowest voltage position to the radiofrequency identification system to maintain the normal running of the radiofrequency identification system.

A single-board power-on device includes power-on rods (2) provided with extensible hooks. Power-on spring contacts serving as connection points for the single-board power supply are provided on the single-board. The device also includes a clip which clamps and holds the single-board. Conducting strips (4) are provided on one arm of the clip. The conducting strips (4) are provided with hook-rings on an outer face of the arm, said hook-rings being connectable with the hooks. The conducting strips (4) are further provided with connection elements on the inner face of the arm, said connection elements being in connectable contact with the power-on spring contacts. The device can supply a stable and reliable working power source for the single-board and is easy to disassemble and assemble.

The invention discloses an electro-hydraulic actuator control system. The electro-hydraulic actuator control system comprises a power module, a signal collecting module, a signal processing module anda driving module. According to the power module provided by the invention, the alternate current side is subjected to overcurrent protection through a fuse, a surge suppressor achieves lightning protection and surge protection, an alternating current filter achieves the alternate current side filtering function, then, AC-DC switching is achieved through a linear power circuit, a direct current power source is input into a direct current filter to achieve the filtering and signal stabilizing functions and is converted into a plurality of direct current power sources through a DC-DC and voltageadjusting device, a power source system applied to complex working conditions is formed, and a stable work power source is provided for the electro-hydraulic actuator control system.

The invention discloses an electrodeless fluorescent lamp, which comprises a lamp tube, a lamp, power couplers coupled at both ends of the lamp tube and a ballast electrically connected with the power couplers, wherein mixed gas is filled into the lamp tube. The electrodeless fluorescent lamp is characterized in that: the power coupler is in heat conducting connection with the lamp, so that the integral lamp or a lamp shade is a radiating device of the coupler; and a U-shaped groove or a V-shaped groove is formed on a heat conducting plane to increase a heat conducting area further. In the electrodeless fluorescent lamp, a gas structure is changed, the structure of a glass lamp tube is simplified, and the bridging and sealing-in process is saved; and due to the adoption of the proportioning of the gas, the problem that an electrodeless lamp (the electrodeless fluorescent lamp) is difficult to start in high-power lamp tubes with long loops and thin tube diameters is solved, and the low-temperature starting performance of lamp bulbs is improved.

The invention discloses a seabed base platform capable of power generation by ocean currents, comprising a platform main body, a gravity ballast assembly connected to the bottom of the platform main body through a steel cable, the downward pull force generated by the gravity of the gravity ballast assembly and the platform main body itself The buoyancy is balanced; the main body of the platform includes a connecting bridge assembly with a ballast compartment, a power generation assembly, and a yaw wing; the gravity ballast assembly includes a gravity block and a steering assembly fixed on the gravity block to realize the horizontal steering of the platform main body. It includes a lower thrust bearing, a sliding table that can freely rotate around the axial direction, an upper thrust bearing and a fixed ring, wherein the fixed ring is fixedly connected with the gravity block and presses the steering assembly. One end of the steel cable is fixed to the main body of the platform, and the other end is connected to the sliding table. It can be fixed and rotate with the sliding table. The invention uses the steering assembly to realize the horizontal steering of the platform main body, so that the seabed base platform is consistent with the incoming flow direction, thereby further realizing higher efficiency power generation.

The invention discloses a novel solid-state relay, and belongs to the technical field of relays. The novel solid-state relay comprises a control input end, an isolating circuit, a trigger driving circuit, a logical reverse circuit, an output circuit and a floating direct-current voltage-stabilized source. The grids of two power field-effect transistors are controlled through the floating direct-current voltage-stabilized source, so that control of an alternating-current load or a direct-current load is realized, and the on-state voltage drop is low. The novel solid-state relay has high universality and a wide application range.

The invention belongs to the technical field of sleep aids, and in particular relates to a driving circuit of a shaded pole motor sleep aid, which includes a constant voltage adaptation unit, a WiFi circuit, an LED control circuit, and a fan motor control circuit respectively connected to a single-chip electromechanical device. In addition to the inherent transformer, the distribution unit is also equipped with a switching power supply chip for voltage feedback control, which provides a more stable working power supply. The structure design of the WiFi circuit, LED control circuit and fan motor control circuit is simpler, while reducing the complexity of the control circuit. , also makes the MCU control the fan speed more reliable, making the generated white noise more stable and comfortable, and the MCU is connected to the two-way fan motor control circuit, which is used as the two gears of the fan motor, making the white noise sleep aid function more humane.